CN121111132A - drilling rig - Google Patents

Abstract

The invention relates to the technical field of engineering construction equipment, in particular to a drilling machine, which comprises a base and a drilling device, wherein the drilling device is arranged on the base through an adjusting seat, the drilling device comprises a main beam arranged on the adjusting seat, a sliding supporting plate is arranged on the main beam, the supporting plate is provided with drilling equipment, a driving device is provided with an output shaft for outputting rotation power, the output shaft is in transmission connection with a screw rod shaft piece, the screw rod shaft piece is sleeved with a moving sleeve which is spaced from the supporting plate, the moving sleeve is configured to move on the screw rod shaft piece along with the rotation of the screw rod shaft piece, the outer wall of the moving sleeve is provided with an outward protruding bolt part, the supporting plate is provided with a plug hole matched with the plug hole arranged on the bolt part, and the bolt part is inserted into the plug hole in the direction perpendicular to the axis of the screw rod shaft piece, so that the moving sleeve drives the supporting plate to move, and a space for the bolt part to move in the plug hole is reserved in the plug hole in the direction perpendicular to the axis of the screw rod shaft piece.

Description

Drilling machine

Technical Field

The invention relates to the technical field of engineering construction equipment, in particular to a small drilling machine for small-range punching operation.

Background

In infrastructure construction projects such as roads and railways (e.g., tunnel construction during subway construction), small-scale drilling operations (e.g., anchor rod hole and blast hole construction) are often performed on mountain surfaces, inside mountain bodies, and in the ground, and such operations are usually performed by small drills.

In the prior art, a small-sized drilling machine for the above-mentioned drilling operation generally includes a base and a drilling device. The drilling device is arranged on the base and comprises a drilling device (such as a rock drill) and a pushing device, wherein the drilling device is responsible for executing specific drilling operation, and the pushing device is used for driving the drilling device to move along a preset direction so as to realize feeding action.

For adapting to different working conditions, the base is usually designed to be capable of adjusting the space position of the drilling device, so that the drilling device can adjust the drilling angle or the height position according to actual drilling requirements. However, in practical use, it is found that such a drilling machine is easy to damage, so that the service life of the drilling machine is short, and improvement is needed.

Disclosure of Invention

The invention aims at overcoming the defects of the prior art and provides a drilling machine which can prolong the service life by optimizing a driving connection structure of drilling equipment.

The whole technical scheme of the invention is as follows:

The invention provides a drilling machine based on the problem of short service life of the existing adjustable drilling machine, and particularly relates to an adjustable drilling machine, which is provided with an adjusting seat for rotating a drilling device in order to adaptively adjust a drilling angle in use, wherein the drilling device comprises drilling equipment (such as a rock drill) and a propelling beam for propelling the drilling equipment, the propelling beam usually comprises a main beam, a supporting plate for installing the drilling equipment (such as the rock drill) is slidably arranged on the main beam, and a moving mechanism such as a screw driving mechanism for driving the supporting plate to move is further arranged on the main beam.

When the drilling device is rotated, the drilling device can be rotated to a certain state, so that falling rocks generated during drilling can easily cause bending damage to a moving mechanism (such as a screw shaft part below), and the service life of the drilling machine can be further influenced.

Based on this, the invention proposes a drilling machine which can improve the service life by optimizing the drive connection structure of the punching device.

Specifically, the drilling machine comprises a base and a drilling device, wherein the drilling device is arranged on the base through an adjusting seat;

The adjusting seat is configured to enable the drilling device to rotate relative to the base to change the drilling angle;

the drilling device comprises:

A main beam arranged on the adjusting seat, and a supporting plate which can slide is arranged on the main beam;

the punching equipment is fixedly connected with the supporting plate so as to synchronously move along with the supporting plate;

The driving device is arranged on the main beam and is provided with an output shaft for outputting rotary power, and the output shaft is in transmission connection with a screw rod shaft piece which synchronously rotates along with the output shaft;

Wherein, the screw rod shaft piece is sleeved with a movable sleeve which is spaced with the supporting plate;

The moving sleeve is configured to be screwed with the screw shaft so as to be movable on the screw shaft along with the rotation of the screw shaft;

the outer wall of the movable sleeve is provided with a bolt part protruding outwards, and the supporting plate is provided with a plug hole matched with the bolt part;

in the direction perpendicular to the axis of the screw rod shaft, the bolt part is inserted into the inserting hole, so that the moving sleeve drives the supporting plate to move;

And in the direction perpendicular to the axis of the screw rod shaft piece, a space for the bolt part to move in the inserting hole is reserved in the inserting hole.

In the scheme, the driving device, the screw rod shaft piece and the moving sleeve form a screw rod driving mechanism for driving the supporting plate to move together, and when the punching equipment is connected to the supporting plate, the characteristic of the screw rod driving mechanism is combined to stably drive the punching equipment to punch. In the invention, the movable sleeve on the screw shaft part is movably inserted and matched with the supporting plate in the direction perpendicular to the axis of the screw shaft part, and when the supporting plate vibrates (the supporting plate is connected with the punching equipment and vibrates along with the punching action of the punching equipment), the movable inserting structure can alleviate the vibration (particularly the vibration on the radial direction of the screw shaft part) transmitted to the screw shaft part, reduce the vibration damage to the screw shaft part, ensure that the screw shaft part can operate more stably for a long time and improve the whole service life of the drilling machine.

In some embodiments, the adjustment seat comprises:

the mounting frame body is provided with a fixing part which is fixedly connected with the base;

A rotating shaft rotatably mounted on the mounting frame body, one end of the rotating shaft is provided with a connecting plate, and the main beam is fixedly connected with the connecting plate;

A control shaft rotatably mounted on the mounting frame body;

The axis of the rotating shaft and the axis of the control shaft are arranged in a staggered way, a transmission gear is fixedly sleeved on the rotating shaft, the control shaft is provided with spiral teeth which extend along the axial direction in a spiral way, and a worm gear reducer structure is formed by meshing the transmission gear and the spiral teeth;

one end of the control shaft is also provided with a wheel disc for driving the control shaft to rotate;

the wheel disc is provided with a handle part which is used for being held by a hand and bears acting force for driving the wheel disc to rotate.

When the drilling device is installed on the base by adopting the adjusting seat, the connecting plate is driven to rotate by the rotating wheel disc, so that the drilling device with different inclination angles can be installed under the requirements of different drilling angles in an adaptive manner, the external environment is not required to be transformed in a laborious manner, and the construction efficiency under different environments is improved.

Moreover, the use environment of the small-size rig of adaptation adopts worm gear reducer structure to enlarge the rotation moment of wheel disc input to can obtain great torque ground to install drilling equipment's connecting plate and drive, even install drilling equipment on the connecting plate, operating personnel can also laborsaving, easily adjust the rotation angle of connecting plate more, and then drive drilling equipment to realize the regulation to the drilling angle rotationally.

In some embodiments, the outer surface of the control shaft has outwardly projecting latches;

The mounting frame body is connected with a rotatable locking rod, and the rotating coverage area of the locking rod is provided with a part overlapped with the rotating coverage area of the latch, so that the locking rod can rotate to collide with the latch;

The locking rod is provided with a locking groove for clamping the latch in a manner of matching with the rotation track of the latch;

the locking teeth are clamped in/separated from the locking grooves by rotating the locking rod, so that the control shaft is in a non-rotatable locking state/a rotatable movable state.

The locking structure is formed by the locking rod and the latch, the rotatability of the control shaft and the connecting plate can be set according to requirements, and further, when the angle position needs to be adjusted, the connecting plate can adaptively rotate according to the inclination angle of the drilling device so as to be used for installing the drilling device in the inclination angle state, and when the drilling device does not need to be adjusted, the connecting plate can be in a more stable state so as to provide stable support for the drilling device, so that the drilling device can perform drilling operation more stably and effectively.

In some embodiments, the base comprises:

a support chassis;

The lower end of the rotating rod is rotatably connected with the supporting underframe, and a shifting frame which slides back and forth on the rotating rod axially is sleeved on the rotating rod;

The telescopic link, its upper end rotates to be connected in the shifting frame, and the lower extreme rotates to be connected in the support chassis, and this telescopic link is configured as length adjustable, through the length of change telescopic link to change drilling equipment's spatial position.

Through driving the length of telescopic link to change, can the adaptation install under the demand of different punching positions, be in different spatial positions's drilling equipment, need not to hard extra external environment and reform transform, improve the efficiency of construction under the different environment.

In some embodiments, in the axial direction of the screw shaft, the screw shaft comprises a threaded shaft section with threads for being screwed with the moving sleeve, and a first mounting shaft section and a second mounting shaft section which are arranged at two sides of the threaded shaft section;

the first support bearing is sleeved on the first installation shaft section, and the second support bearing is sleeved on the second installation shaft section;

the first support bearing and the second support bearing are both mounted in the main beam to jointly support the rotatable screw shaft.

Through the two support bearings, a more stable supporting effect can be provided for the screw rod shaft, the installation stability and the operation stability of the screw rod shaft are improved, the support plate for installing the punching equipment can be driven more stably and smoothly, and the purpose that the punching equipment can be driven to move more stably when the punching equipment is assembled on the support plate for punching operation is achieved.

Based on the above scheme, the screw shaft member is considered to be subjected to a reaction force (the direction is opposite to the moving direction of the supporting plate) in the axial direction when the screw shaft member rotates to drive the moving sleeve to move and further drive the supporting plate to move, the reaction force can apply load to the screw shaft member, and the long shaft member tends to have a bearing potential under a stretching working condition, and is more easily limited by a buckling instability risk (buckling instability is easy to occur, and the slender rod is similar to being buckled) during compression.

In some embodiments, the main beam has a first mounting channel for mounting a first mounting axle segment and a second mounting channel for mounting a second mounting axle segment;

The first support bearing is positioned and accommodated in the first inserting hole, the first mounting shaft section comprises a first clamping part protruding outwards, and a first limiting part protrudes from the inner wall of the first inserting hole;

In the axial direction of the screw rod shaft piece, the first clamping part is arranged at one side of the first support bearing, which is opposite to the threaded shaft section, and the first limiting part is arranged at one side of the first support bearing, which is opposite to the threaded shaft section;

the second support bearing is positioned and accommodated in the second inserting hole, the second mounting shaft section comprises a second clamping part protruding outwards, and a second limiting part protrudes from the inner wall of the second inserting hole;

in the axial direction of the screw rod shaft piece, the second clamping part is arranged at one side of the second support bearing, which is opposite to the threaded shaft section, and the second limiting part is arranged at one side of the second support bearing, which is opposite to the threaded shaft section;

And in the axial direction of the screw rod shaft, the end face of the first installation shaft section, which is away from the threaded shaft section, and the end face of the second installation shaft section, which is away from the threaded shaft section, are configured not to contact the main beam and the driving device.

Through the setting of above-mentioned structure, the counter force that the screw shaft spare received when order about the layer board to remove can form the axial pulling force that carries out axial stretching to the screw shaft spare, and be difficult for exerting the extrusion effect of order about its axial compression to the screw shaft spare, can further weaken the deformation risk of screw shaft spare in long-term use, and then make the screw shaft spare can be more long-term, stable operate, improve the whole life of propulsion beam.

In some embodiments, one end of the screw shaft member has a first socket opening toward the output shaft;

The output shaft is inserted into the first inserting hole to drive the screw rod shaft to rotate, and the end face of the inserting end of the output shaft is arranged at intervals with the inner wall of the first inserting hole in the axial direction of the screw rod shaft.

In some embodiments, the screw shaft comprises a connector and a screw body;

One end of the connecting body is in transmission connection with the output shaft, the other end of the connecting body is detachably in transmission connection with the screw rod body, and the movable sleeve is sleeved on the screw rod body and is in threaded connection with the screw rod body. The screw rod body which is provided with the threads and is easy to damage is convenient to disassemble and maintain or replace.

In some embodiments, the other end of the connector has a second socket opening toward the screw body;

The screw rod body is provided with an inserting part which is inserted into the second inserting hole;

the detachable pin shaft is inserted into the connecting body, one end of the pin shaft penetrates through the side wall of the second inserting hole and is inserted into the inserting part of the screw rod body, so that the connecting body is detachably connected with the screw rod body in a transmission mode. The connecting structure of pin connection type is adopted to connect the screw rod body with the connecting body, so that the convenience of disassembling the screw rod body is further improved.

In some embodiments, the plug holes are configured as through holes provided through the pallet. The plug-in type socket is convenient to observe the plug-in state of the plug-in part, and particularly, when the plug-in part is clamped in the plug-in hole, the plug-in type socket is convenient to overhaul and maintain.

The technical scheme has the main beneficial effects that:

1. The high-precision linear transmission of the supporting plate is realized through a screw driving mechanism formed by the driving device, the screw shaft piece and the movable sleeve. When the supporting plate carries with the drilling equipment, the inherent characteristic of the screw transmission can ensure the track consistency and the position precision of the drilling equipment in the moving process, effectively reduce the drilling deviation caused by gaps or blocking in the traditional transmission mode, and improve the processing quality.

2. The movable sleeve on the screw rod shaft piece is movably inserted and matched with the supporting plate in the direction perpendicular to the axis of the screw rod shaft piece aiming at the radial vibration problem generated during the operation of the punching equipment. The plug-in fit allows the support plate to perform small displacement relative to the movable sleeve along the radial direction of the screw rod shaft when vibration occurs, and vibration energy is buffered through non-rigid contact, so that vibration directly transmitted to the screw rod shaft is weakened. The bending stress and fatigue damage risk of the screw shaft part can be obviously reduced, the long-term working stability of the screw shaft part is improved, and the whole service life of the propelling beam is prolonged.

3. Setting up base and regulation seat to make it be fit for carrying out position control through manual in narrow hole space, improve the use convenience of rig.

Drawings

The invention is further described with reference to the accompanying drawings:

Fig. 1 is a schematic diagram of the overall structure of a drilling machine.

Fig. 2 is a schematic view of a base structure.

Fig. 3 is a schematic view of a telescopic rod.

Fig. 4 is a schematic view of the structure of the adjusting seat.

Fig. 5 is a schematic cross-sectional view of the adjustment seat.

Fig. 6 is a schematic structural view of the adjusting seat in an active state in which the control shaft is rotatable.

Fig. 7 is a schematic structural view of the adjusting seat when the control shaft is in a locking state.

Fig. 8 is a schematic structural view of a drilling device.

Fig. 9 is a schematic view of a propulsion Liang Poushi consisting of a main beam, a drive and a pallet.

Fig. 10 is an enlarged schematic view of a portion a in fig. 9.

Fig. 11 is an enlarged schematic view of a portion B in fig. 9.

Fig. 12 is a schematic view of a screw shaft structure.

Detailed Description

The invention is illustrated by the following examples in which:

Examples:

The drilling machine, as shown in fig. 1 to 12, comprises a base 1, an adjusting seat 2 arranged on the base 1, and a drilling device 3 arranged on the adjusting seat 2.

As shown in fig. 2 to 3, the base 1 in this embodiment includes a support chassis 1.1 for being placed on the ground or other placement plane to form a bottom support, and a rotation rod 1.2 and a telescopic rod 1.4 are connected to the support chassis 1.1. The lower end of the turning lever 1.2 is rotatably connected to the support chassis 1.1 so that the turning lever 1.2 can be turned relative to the support chassis 1.1.

For example, as shown in fig. 2, a third insertion hole is formed in the supporting chassis 1.1 and extends transversely, a fourth insertion hole is formed in the lower end of the rotating rod 1.2 and extends transversely, the axes of the third insertion hole and the fourth insertion hole are all arranged horizontally, a second pin joint hole is formed in the third insertion hole and the fourth insertion hole in opposite positions, and a detachable second pin shaft 1.6 is inserted into the second pin joint hole. The lower end of the rotating rod 1.2 can be detached from the supporting underframe 1.1 by inserting the second pin 1.6 into the second pin hole (the second pin 1.6 is partially arranged in the third insertion hole and partially arranged in the fourth insertion hole) so that the lower end of the rotating rod 1.2 is rotationally connected with the supporting underframe 1.1, and pulling the second pin 1.6 out of the second pin hole.

The length of the second pin 1.6 is preferably greater than the depth of the second pin bore so that when the second pin 1.6 is inserted into the second pin bore, both ends have portions which extend out of the second pin bore. And a detachable pin can be inserted on the part extending out of the second pin joint hole so as to prevent the second pin shaft 1.6 from being pulled out of the second pin joint hole. After the pin is pulled out, the second pin shaft 1.6 can be pulled out from the second pin joint hole for disassembly.

As shown in fig. 1 to 2, a displacement frame 1.3 which reciprocates in the axial direction of the rotating rod 1.2 is sleeved on the rotating rod 1.2. The shifting frame 1.3 is fixedly connected with an adjusting seat 2 for installing the drilling device 3.

The telescopic rod 1.4 is a rod piece with adjustable length, the upper end of the telescopic rod is rotatably connected with the shifting frame 1.3, and the lower end of the telescopic rod is rotatably connected with the supporting underframe 1.1.

For example, as shown in fig. 2, a first insertion hole which is arranged in a transverse extending manner is formed in the supporting underframe 1.1, a second insertion hole which is arranged in a transverse extending manner is formed in the lower end of the telescopic rod 1.4, the axes of the first insertion hole and the second insertion hole are horizontally arranged, a first pin joint hole is formed in the first insertion hole and the second insertion hole in a relatively aligned manner, and a detachable first pin shaft 1.5 is inserted in the first pin joint hole. The lower end of the telescopic rod 1.4 can be detached from the supporting underframe 1.1 by inserting the first pin 1.5 into the first pin hole (the first pin 1.5 is partially arranged in the first insertion hole and the second pin 1.5 is partially arranged in the second insertion hole) so that the lower end of the telescopic rod 1.4 is rotationally connected with the supporting underframe 1.1, and pulling the first pin 1.5 out of the first pin hole.

The length of the first pin 1.5 is preferably greater than the depth of the first pin bore so that when the first pin 1.5 is inserted into the first pin bore, both ends have a portion extending out of the first pin bore. And a detachable pin can be inserted on the part extending out of the first pin joint hole so as to prevent the first pin shaft 1.5 from being pulled out of the first pin joint hole. After the pin is pulled out, the first pin shaft 1.5 can be pulled out of the first pin joint hole for disassembly.

With reference to the above-mentioned rotation connection structure, the upper end of the telescopic rod 1.4 may also be provided with a fifth jack, the shift frame 1.3 may be provided with a sixth jack, the axes of the fifth jack and the sixth jack are all horizontally arranged, and the fifth jack and the sixth jack are relatively aligned to form a third pin joint hole together, and a detachable third pin shaft is inserted into the third pin joint hole, so that the upper end of the telescopic rod 1.4 is detachably connected to the shift frame 1.3 in a rotation manner.

When the first adjusting rod 1.42 and the second adjusting rod 1.45 are arranged as described below, the second inserting hole 1.451 is formed at the lower end of the second adjusting rod 1.45, and the fifth inserting hole 1.421 is formed at the upper end of the first adjusting rod 1.42.

In the scheme, the rotation axis of the upper end of the telescopic rod 1.4, the rotation axis of the lower end of the telescopic rod 1.4 and the rotation axis of the lower end of the rotary rod 1.2 are all arranged in parallel. By changing the length of the telescopic rod 1.4, the shifting frame 1.3 can slide on the rotating rod 1.2, and the adjusting seat 2 is formed with a mounting structure for mounting the drilling device 3 at different spatial positions.

The telescopic rod 1.4 can be of various forms.

As a first example:

The telescopic rod 1.4 can comprise a sleeve rod 1.41 and a first adjusting rod 1.42.

The lower end of the loop bar 1.41 is rotatably connected with the supporting underframe 1.1, and the upper end of the loop bar is provided with a first inserting hole for inserting the first adjusting bar 1.42. The upper end of the first adjusting lever 1.42 is rotatably coupled to the shift bracket 1.3 as described above, and the lower end is inserted into the first insertion hole.

And the sleeve rod 1.41 is rotatably connected with a first adjusting nut 1.43 sleeved on the first adjusting rod 1.42.

The first adjusting nut 1.43 and the first adjusting rod 1.42 are in threaded connection (the first adjusting rod 1.42 is provided with external threads, the inner wall of the first adjusting nut 1.43 is provided with internal threads meshed with the external threads), and the first adjusting nut 1.43 is rotated forward to drive the first adjusting rod 1.42 to move along the direction of inserting the sleeve rod 1.41, so that the telescopic rod 1.4 is shortened.

The telescopic rod 1.4 is extended by reversely screwing the first adjusting nut 1.43 to drive the first adjusting rod 1.42 to move in the direction of pulling out from the socket rod 1.41.

As shown in fig. 3, the first adjusting rod 1.42 may be further sleeved with a first fastening nut 1.44 located outside the loop bar 1.41.

The first fastening nut 1.44 and the first adjusting rod 1.42 are in threaded connection (the first adjusting rod 1.42 is provided with external threads, the inner wall of the first fastening nut 1.44 is provided with internal threads meshed with the external threads), and the first adjusting rod 1.42 is in an immovable locking state by forward screwing the first fastening nut 1.44 to drive the first fastening nut to press the first adjusting nut 1.43 tightly, so that the threads of the first adjusting rod 1.42 and the threads of the first adjusting nut 1.43 can be driven to be tightly attached.

By reversely screwing the first fastening nut 1.44, the first fastening nut is driven to be far away from the first adjusting nut 1.43, the first adjusting rod 1.42 can be in telescopic movement by screwing the first adjusting nut 1.43 without jacking the first fastening nut 1.44, and therefore the first adjusting rod 1.42 is in a movable adjusting state.

As a second example:

The telescopic rod 1.4 can comprise a sleeve rod 1.41 and a second adjusting rod 1.45.

The upper end of the loop bar 1.41 is rotatably connected with the supporting underframe 1.1, and the lower end of the loop bar is provided with a second inserting hole for inserting the second adjusting bar 1.45. The lower end of the second adjusting lever 1.45 is rotatably connected to the shift bracket 1.3 as described above, and the upper end is inserted into the second insertion hole.

And the sleeve rod 1.41 is rotatably connected with a second adjusting nut 1.46 sleeved on the second adjusting rod 1.45.

The second adjusting nut 1.46 and the second adjusting rod 1.45 are in threaded connection (the second adjusting rod 1.45 is provided with external threads, the inner wall of the second adjusting nut 1.46 is provided with internal threads meshed with the external threads), and the second adjusting nut 1.46 is rotated forward to drive the second adjusting rod 1.45 to move along the direction of inserting the sleeve rod 1.41, so that the telescopic rod 1.4 is shortened.

The telescopic rod 1.4 is extended by reversely screwing the second adjusting nut 1.46 to drive the second adjusting rod 1.45 to move in the direction of pulling out from the socket rod 1.41.

As shown in fig. 3, the second adjusting rod 1.45 may be further sleeved with a second fastening nut 1.47 located outside the loop bar 1.41.

The second fastening nut 1.47 and the second adjusting rod 1.45 are in threaded connection (the second adjusting rod 1.45 is provided with external threads, the inner wall of the second fastening nut 1.47 is provided with internal threads meshed with the external threads), and the second adjusting rod 1.45 can be prevented from continuously moving by forward screwing the second fastening nut 1.47 to push against the second adjusting nut 1.46, so that the second adjusting rod 1.45 is in an immovable locking state.

By reversely screwing the second fastening nut 1.47, the second fastening nut is driven to be far away from the second adjusting nut 1.46, the second adjusting rod 1.45 can be in telescopic movement by screwing the second adjusting nut 1.46 without jacking the second fastening nut 1.47, and therefore the second adjusting rod 1.45 is in a movable adjusting state.

As a third example:

The telescopic rod 1.4 can be combined with the first and the second examples, and comprises a sleeve rod 1.41, a first adjusting rod 1.42 and a second adjusting rod 1.45.

At this time, the upper end of the loop bar 1.41 is provided with a first insertion hole, and the lower end is provided with a second insertion hole. The upper end of the first adjusting rod 1.42 is rotatably connected with the shifting frame 1.3, the lower end of the first adjusting rod is inserted into the first inserting hole, the lower end of the second adjusting rod 1.45 is rotatably connected with the shifting frame 1.3, and the upper end of the second adjusting rod is inserted into the second inserting hole.

The rotating rod 1.2 can be sleeved with a locking nut 1.21 positioned above the shifting frame 1.3, the locking nut 1.21 and the rotating rod 1.2 form threaded connection (the rotating rod 1.2 is provided with external threads, the inner wall of the locking nut 1.21 is provided with internal threads meshed with the external threads), and the shifting frame 1.3 is prevented from being separated from the rotating rod 1.2 by screwing the locking nut 1.21 to drive the locking nut 1.21 to move in the axial direction of the rotating rod 1.2.

The rotating rod 1.2 can be additionally sleeved with another locking nut 1.21 which is positioned below the shifting frame 1.3 and is in threaded connection with the rotating rod 1.2, when the shifting frame 1.3 moves to carry out position adjustment, the locking nut 1.21 is screwed to be far away from the shifting frame 1.3 so as to provide sufficient space for the movement of the shifting frame 1.3, and when the shifting frame 1.3 completes position adjustment, the locking nut 1.21 is screwed to be propped against the shifting frame 1.3 so as to improve the supporting stability of the shifting frame 1.3 on the drilling device 3, and further improve the stability of the drilling device 3 during drilling operation.

The rotating rod 1.2 and the telescopic rod 1.4 in the above embodiment are jointly formed with a supporting structure for supporting the shifting frame 1.3, two supporting structures which are arranged at intervals can be arranged on the supporting underframe 1.1, and the two supporting structures jointly form a support for one shifting frame 1.3, namely, the shifting frame 1.3 is simultaneously and slidably arranged on the two rotating rods 1.2 which are arranged in parallel, so that the supporting stability is further improved.

As shown in fig. 4 to 7, the adjusting seat 2 comprises a mounting frame body 2.1 formed by a plurality of plates and rod structures, and the mounting frame body 2.1 is provided with a fixing part 2.11 for fixedly connecting the mounting frame body 2.1 with the base 1. The fixing portion 2.11 is fastened to the displacement frame 1.3 of the base 1 by means of, for example, screws.

A rotatable rotation shaft 2.2 is arranged inside the mounting frame body 2.1, the rotation shaft 2.2 is rotatably connected to the mounting frame body 2.1 by adopting a bearing, for example, wherein one end of the rotation shaft 2.2 is provided with a part extending out of the mounting frame body 2.1, and the part is fixedly connected with a connecting plate 2.3 synchronously rotating along with the rotation shaft 2.2. The main beam 3.1 of the drilling device 3 is fastened to the connection plate 2.3 by means of, for example, screws.

At this time, the connection plate 2.3 may further have a protruding portion protruding toward the direction of the mounting frame body 2.1, and a groove into which the protruding portion is inserted in an adapted manner when the connection plate 2.3 rotates along with the rotation shaft 2.2 may be provided in the mounting frame body 2.1, so that the mounting frame body 2.1 can directly support the rotatable connection plate 2.3.

Inside the mounting body 2.1 is also provided a rotatable control shaft 2.4, which control shaft 2.4 is rotatably connected to the mounting body 2.1 using, for example, bearings.

And, as shown in fig. 4, the axis of the rotating shaft 2.2 and the axis of the control shaft 2.4 are arranged in a staggered manner, for example, the axial direction of the rotating shaft 2.2 is arranged horizontally, and the axial direction of the control shaft 2.4 is arranged vertically. And the rotating shaft 2.2 is fixedly sleeved with a transmission gear 2.5 arranged in the mounting frame body 2.1, and the part of the control shaft 2.4 arranged in the mounting frame body 2.1 is provided with spiral teeth 2.41 which extend spirally along the axial direction.

The gear teeth of the transmission gear 2.5 and the spiral teeth 2.41 are meshed with each other to form a worm gear reducer structure. At this time, the control shaft 2.4 is driven to rotate by inputting the torque A, so that a torque B larger than the torque A can be obtained to drive the rotating shaft 2.2 and the connecting plate 2.3 to rotate, and the number of teeth of the transmission gear 2.5 and the number of spiral teeth 2.41 are set according to the actual transmission ratio requirement.

The control shaft 2.4 has an end extending outwards from the mounting frame body 2.1, and the end is further provided with a wheel disc 2.6 for driving the control shaft 2.4 to rotate, and a handle part 2.61 is arranged on the wheel disc 2.6 and is configured to be held by a hand to bear acting force for driving the wheel disc 2.6 to rotate. So that an operator can hold the handle part 2.61 to apply force to drive the wheel disc 2.6 to rotate, and further drive the control shaft 2.4 to rotate.

As shown in fig. 4, the handle portion 2.61 is a cylinder protruding on the side of the wheel disc 2.6 facing away from the helical tooth 2.41. And the grip portion 2.61 and the control shaft 2.4 are arranged at intervals in the radial direction of the control shaft 2.4, for example, when the axial direction of the control shaft 2.4 extends vertically, the grip portion 2.61 and the control shaft 2.4 are arranged at intervals in the horizontal direction.

The handle portion 2.61 may be detachably fastened to the wheel disc 2.6 by, for example, a screw, and the wheel disc 2.6 may be detachably fastened to one end of the control shaft 2.4 by, for example, a screw.

The handle portion 2.61 has a first end connected to the wheel disc 2.6 and a second end distant from the wheel disc 2.6, and the outer diameter of the handle portion 2.61 is gradually increased in the direction from the first end to the second end to form a slope on the surface of the handle portion 2.61 to prevent the hand holding the handle portion 2.61 from being separated from the handle portion 2.61.

As shown in fig. 6 and 7, the outer surface of the control shaft 2.4 is provided with outwardly protruding teeth 2.42, which teeth 2.42 are located on the side of the helical teeth 2.41 facing away from the wheel disc 2.6.

The mounting frame body 2.1 is provided with a switching shaft 2.13, the switching shaft 2.13 is pivoted with a locking rod 2.7 which can pivot relative to the switching shaft 2.13, the rotating coverage area (the whole area of the article can pass through when rotating) of the locking rod 2.7 is provided with a part overlapped with the rotating coverage area of the latch 2.42, so that the locking rod 2.7 can rotate to collide with the latch 2.42 when the locking rod 2.7 rotates.

And, the locking position pole 2.7 is provided with the locking position groove 2.71, and this locking position groove 2.71 matches latch 2.42 rotation orbit and sets up to make when locking position pole 2.7 rotates to collide with latch 2.42, this latch 2.42 can block into locking position groove 2.71, in order to realize the locking position to control shaft 2.4, prevents this control shaft 2.4 to continue to rotate.

At this time, the latch 2.42 is locked in the locking groove 2.71 by rotating the locking lever 2.7 in the forward direction, so that the control shaft 2.4 is in a locked state in which it is not rotatable.

By reversely rotating the locking lever 2.7, the latch 2.42 is separated from the locking groove 2.71, so that the control shaft 2.4 can be in a rotatable and movable state.

The latch 2.42 may be disposed at a portion of the control shaft 2.4 extending from the mounting frame body 2.1, or disposed at a portion located in the mounting frame body 2.1, and at this time, as shown in fig. 5, a notch 2.14 for clamping the latch 2.42 with the locking lever 2.7 may be disposed on the mounting frame body 2.1.

The outer surface of the control shaft 2.4 may have a number of teeth 2.42 arranged at intervals in the circumferential direction of the control shaft 2.4. And, the locking groove 2.71 is provided with two at least to make locking lever 2.7 rotate to when colliding with latch 2.42, locking lever 2.7 can carry out the clamping to two at least latches 2.42.

As shown in fig. 5, the locking lever 2.7 is provided with a positioning hole 2.72, the mounting frame body 2.1 is provided with a plugging hole 2.12, and when the control shaft 2.4 is in a locking state, the plugging hole 2.12 and the positioning hole 2.72 are in alignment arrangement.

A movable pin 2.8 is inserted into the positioning hole 2.72, and the pin 2.8 is configured such that one end of the pin can be inserted into the inserting hole 2.12 or pulled out from the inserting hole 2.12 when the inserting hole 2.12 is aligned with the positioning hole 2.72.

When one end of the pin shaft 2.8 is inserted into the inserting hole 2.12, the locking rod 2.7 is in a non-rotatable locking state.

When one end of the pin shaft 2.8 is pulled out of the inserting hole 2.12, the locking rod 2.7 is in a rotatable moving state.

The positioning hole 2.72 is preferably a bar-shaped hole and the positioning hole 2.72 is configured such that the positioning hole 2.72 extends in a direction of a distance of the axis of the pin 2.8 from the rotational center axis of the lock lever 2.7 when the lock lever 2.7 is in the locked state.

As shown in fig. 8 to 12, the drilling device 3 includes a drilling apparatus 3.9 (e.g., a rock drill) and a feed beam for driving the drilling apparatus 3.9 (e.g., the rock drill).

The propelling beam comprises a main beam 3.1 as a housing for the installation of the component and a pallet 3.2 for the installation of a punching device 3.9, such as a rock drill, the punching device 3.9, such as a rock drill, being fastened to the pallet 3.2 with, for example, screws. The pallet 3.2 is slidably mounted on the main beam 3.1 by a sliding mounting structure to enable directional movement on the main beam 3.1. For example, the main beam 3.1 has a straight sliding slot, and the pallet 3.2 has a sliding block adapted to be inserted into the sliding slot and slide in the sliding slot, so that the pallet 3.2 is slidably mounted on the main beam 3.1.

As shown in fig. 9, the left end of the main beam 3.1 is fixedly connected with a driving device 3.3 by means of, for example, screws, the driving device 3.3 is a motor or a rotating electric machine, the driving device 3.3 is provided with an output shaft 3.31 for outputting rotating power, and the output shaft 3.31 is inserted into the main beam 3.1. The main beam 3.1 is provided with a screw rod shaft member 3.4 extending in the left-right direction, the screw rod shaft member 3.4 is rotatably installed in the main beam 3.1, one end of the screw rod shaft member 3.4 is in transmission connection with the output shaft 3.31, so that the driving device 3.3 drives the output shaft 3.31 to rotate, and further drives the screw rod shaft member 3.4 to rotate.

The screw rod shaft 3.4 is further sleeved with a moving sleeve 3.5, an inner thread is arranged on the inner wall of the moving sleeve 3.5, an outer thread which is in threaded connection with the inner thread is arranged on the periphery of the screw rod shaft 3.4, and the inner thread of the moving sleeve 3.5 is in threaded connection with the outer thread of the screw rod shaft 3.4, so that the moving sleeve 3.5 can be driven to move leftwards/rightwards in the axial direction of the screw rod shaft 3.4 when the screw rod shaft 3.4 rotates forwards/backwards.

As shown in fig. 9, the outer side wall of the moving sleeve 3.5 above has a latch portion 3.51 protruding upward, and the pallet 3.2 has a portion disposed above the screw shaft member 3.4, which is opposite to the latch portion 3.51 up and down, and has a plug hole 3.21 provided to match the latch portion 3.51.

In a direction perpendicular to the axis of the screw shaft member 3.4, i.e. when the axis of the screw shaft member 3.4 is shown by a broken line in fig. 2 to extend in the left-right direction, the plug pin portion 3.51 is inserted upward into the plug hole 3.21 in the up-down direction so that the moving sleeve 3.5 can move the pallet 3.2. At this time, the sliding direction of the pallet 3.2 on the main beam 3.1 is adapted to the extending direction of the axis of the screw shaft 3.4 (the adaptation means that the sliding direction of the pallet 3.2 on the main beam 3.1 and the extending direction of the axis of the screw shaft 3.4 are preferably arranged in exactly the same manner, for example, in the left-right direction, but an angular deviation which does not affect the sliding of the pallet 3.2 is allowed, for example, when the axis of the screw shaft 3.4 extends in the left-right direction, the pallet 3.2 slides in the left-right direction on the main beam 3.1.

And in a direction perpendicular to the axis of the spindle shaft 3.4, the plug-in hole 3.21 also has a space for the plug-in pin 3.51 to move in this plug-in hole 3.21. For example, the plug part 3.51 is a cylinder arranged to be matched with the plug hole 3.21, the outline of the plug part 3.51 is matched with the caliber outline of the plug hole 3.21, the outline of the plug part 3.51 is matched with the caliber of the plug hole 3.21, so that the plug part 3.51 can be plugged in and pulled out of the plug hole 3.21, and the depth of the plug hole 3.21 is larger than the length of the part of the plug part 3.51 inserted into the plug hole 3.21, so that the plug part 3.51 can slide relative to the supporting plate 3.2 in the direction perpendicular to the axis of the screw rod shaft piece 3.4 after being plugged in the plug hole 3.21. The purpose of realizing that the supporting plate 3.2 does not form fixed limit on the bolt part 3.51 in the direction perpendicular to the axis of the screw rod shaft member 3.4 is achieved, the bolt part 3.51 can be movably inserted into the inserting hole 3.21 in a plug sliding manner, namely, the bolt part 3.51 can be inserted into the inserting hole 3.21 more deeply, and a part of the bolt part 3.51 can be slightly pulled out.

In this case, the insertion hole 3.21 may be a through hole penetrating the pallet 3.2. Or it may be a blind hole leaving sufficient space inside for the plug portion 3.51 to move.

As shown in fig. 9, in the axial direction of the screw shaft 3.4, the screw shaft 3.4 includes a screw shaft section 3.41 having a screw thread to be screwed with the moving sleeve 3.5, a first mounting shaft section 3.42 disposed at the left end of the screw shaft section 3.41, and a second mounting shaft section 3.43 disposed at the right end of the screw shaft section 3.41.

As shown in fig. 10 and 11, the first mounting shaft section 3.42 is sleeved with a first supporting bearing 3.6 of a bearing structure, an inner ring of the first supporting bearing 3.6 is sleeved on the first mounting shaft section 3.42, and an outer ring of the first supporting bearing is connected with the main beam 3.1 so as to support the first mounting shaft section 3.42 when rotating.

The second installation shaft section 3.43 is sleeved with a second support bearing 3.7 of a bearing structure, an inner ring of the second support bearing 3.7 is sleeved on the second installation shaft section 3.43, and an outer ring of the second support bearing 3.7 is connected with the main beam 3.1 so as to support the second installation shaft section 3.43 when rotating.

The first support bearing 3.6 and the second support bearing 3.7 are each mounted in the main beam 3.1 to jointly form a support for the rotatable screw shaft 3.4.

As shown in fig. 9 to 11, the girder 3.1 has a first insertion hole 3.11 into which the first installation shaft section 3.42 is inserted, and a second insertion hole 3.12 into which the second installation shaft section 3.43 is inserted. The output shaft 3.31 in the present embodiment is also inserted into the first insertion opening 3.11 and is in driving connection with the first mounting shaft section 3.42.

As shown in fig. 10 and 11, the first support bearing 3.6 is embedded in the first insertion hole channel 3.11, the outer wall of the outer ring of the first support bearing 3.6 is connected with the inner wall of the first insertion hole channel 3.11, the first mounting shaft section 3.42 comprises a first clamping part 3.421 protruding outwards on the outer surface, and the inner wall of the first insertion hole channel 3.11 is provided with a first limiting part 1.11 protruding inwards.

In the axial direction of the spindle shaft 3.4, the first detent 3.421 is arranged on the side of the first support bearing 3.6 facing away from the threaded spindle section 3.41, while the first limit 1.11 is arranged on the side of the first support bearing 3.6 facing toward the threaded spindle section 3.41.

As shown in fig. 10 and 11, the second support bearing 3.7 is embedded in the second insertion hole channel 3.12, the outer wall of the outer ring of the second support bearing 3.7 is connected with the inner wall of the second insertion hole channel 3.12, the second mounting shaft section 3.43 comprises a second clamping part 3.431 protruding outwards on the outer surface, and the inner wall of the second insertion hole channel 3.12 is provided with a second limiting part 3.121 protruding inwards.

In the axial direction of the spindle shaft 3.4, the second detent 3.431 is arranged on the side of the second support bearing 3.7 facing away from the threaded shaft section 3.41, while the second limit 3.121 is arranged on the side of the second support bearing 3.7 facing toward the threaded shaft section 3.41.

In the axial direction of the spindle shaft 3.4, the end face of the first mounting shaft section 3.42 facing away from the threaded shaft section 3.41 and the end face of the second mounting shaft section 3.43 facing away from the threaded shaft section 3.41 are both configured so as not to be in contact with the main beam 3.1 and the drive 3.3. For example, as shown in fig. 2, the end face of the first mounting shaft section 3.42 facing the left is not in contact with the main beam 3.1 and the drive 3.3, while the end face of the second mounting shaft section 3.43 facing the right is not in contact with the main beam 3.1 and the drive 3.3.

Further, as shown in fig. 9, one end of the screw shaft member 3.4 is provided with a first inserting hole 3.44 which is opened towards the output shaft 3.31, the output shaft 3.31 is inserted into the first inserting hole 3.44 to drive the screw shaft member 3.4 to rotate, and the end face of the inserting end of the output shaft 3.31 is arranged at intervals with the inner wall of the first inserting hole 3.44 in the axial direction of the screw shaft member 3.4.

For example, the first plugging hole 3.44 is a non-circular hole (a hole with a non-circular cross section, for example, a hole with a square cross section, a star shape or other polygonal cross section), and the output shaft 3.31 is a cylinder (for example, a cylinder with a square cross section, a star shape or other polygonal cross section) arranged to match the outline of the first plugging hole 3.44, and the output shaft 3.31 is adapted to be inserted into the first plugging hole 3.44, so that the output shaft 3.31 can drive the screw shaft member 3.4 to rotate.

At this time, the second mounting shaft section 3.43 may include a second mounting shaft body and a second limiting nut sleeved on the second mounting shaft body, where the second limiting nut is located at a side of the second support bearing 3.7 opposite to the driving device 3.3 and detachably located on the second mounting shaft body through a threaded structure (an external thread is provided at the outer periphery of the second mounting shaft body, and an internal thread of the second limiting nut is correspondingly screwed with the external thread), and the second limiting nut is a component part of the second mounting shaft section 3.43 and is formed with a second clamping portion 3.431.

Similarly, the first mounting shaft section 3.42 may also include a first mounting shaft body and a first limit nut sleeved on the first mounting shaft body, where the first limit nut is located on a side of the first support bearing 3.6 facing the driving device 3.3 and detachably located on the first mounting shaft body through a threaded structure (an external thread is provided on the outer periphery of the first mounting shaft body, and an internal thread of the first limit nut is correspondingly screwed with the external thread), and the first limit nut is a component part of the first mounting shaft section 3.42 and is formed with a first clamping portion 3.421.

In any of the above solutions, the screw shaft 3.4 may comprise a connector 3.4a and a screw body 3.4b.

As shown in fig. 12, the left end of the connecting body 3.4a is provided with a first inserting hole 3.44 which is opened towards the output shaft 3.31, the output shaft 3.31 is inserted into the first inserting hole 3.44 to drive the connecting body 3.4a to rotate, and the right end of the connecting body 3.4a is detachably connected with the screw rod body 3.4b in a transmission manner, so that the output shaft 3.31 can drive the connecting body 3.4a to rotate and further drive the screw rod body 3.4b to rotate.

At this time, the connecting body 3.4a is formed with a first mounting shaft section 3.42, and the screw body 3.4b is formed with a threaded shaft section 3.41 and a second mounting shaft section 3.43. The movable sleeve 3.5 is sleeved on the screw rod body 3.4b and is in threaded connection with the screw rod body 3.4 b.

As shown in fig. 12, the right end of the connector 3.4a may also have a second socket 3.45 opening towards the screw body 3.4b. The left end of the screw rod body 3.4b is provided with an inserting part which is inserted into the second inserting hole 3.45, and a detachable pin shaft 3.8 is inserted into the connecting body 3.4a, one end of the pin shaft 3.8 penetrates through the side wall of the second inserting hole 3.45 and is inserted into the inserting part of the screw rod body 3.4b, so that the connecting body 3.4a is detachably connected with the screw rod body 3.4b in a transmission way.

In this embodiment, the pin 3.8 is arranged to extend in the up-down direction and is simultaneously removably inserted into the connector 3.4a and the screw body 3.4b, so that the connector 3.4a is detachably connected to the screw body 3.4b in a driving manner.

When the drilling machine is used:

The spatial position of the shifting frame 1.3 can be changed by adjusting the length of the telescopic rod 1.4, so that the installation seat 2 drives the drilling device 3 to movably change the spatial position of the drilling device 3.

Simultaneously, the wheel disc 2.6 is driven to rotate by holding the handle part 2.61, and the rotating shaft 2.2 and the connecting plate 2.3 can be driven to rotate, so that the drilling device 3 can rotate to an inclined angle position meeting the punching requirement.

After the angle adjustment is completed, the driving device 3.3 is electrified and started to drive the output shaft 3.31 to rotate, the output shaft 3.31 synchronously drives the screw shaft part 3.4 to rotate, and then drives the movable sleeve 3.5 to move on the main beam 3.1 so as to move the supporting plate 3.2 and the punching equipment 3.9 (such as a rock drill) to a position where punching operation is required.

In this process, the supporting plate 3.2 exerts an axial pulling force on the screw shaft 3.4, for example, when the screw shaft 3.4 drives the supporting plate 3.2 to move rightward, the screw shaft 3.4 receives a leftward reaction force, and at this time, the left end of the screw shaft 3.4 has no pressing structure, and the second clamping portion 3.431 at the right end of the screw shaft 3.4 is clamped at the right end of the second support bearing 3.7, and the second support bearing 3.7 is subjected to a compressive force.

When the screw shaft 3.4 drives the supporting plate 3.2 to move leftwards, the screw shaft 3.4 receives a right reaction force, at this time, the right end of the screw shaft 3.4 has no jacking structure, the first clamping part 3.421 at the left end of the screw shaft 3.4 is clamped at the left end of the first supporting bearing 3.6, and the first supporting bearing 3.6 receives pressure.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (10)

1. The drilling machine comprises a base (1) and a drilling device (3), wherein the drilling device (3) is arranged on the base (1) through an adjusting seat (2);

the adjusting seat (2) is configured to enable the drilling device (3) to rotate relative to the base (1) to change the drilling angle;

characterized in that the drilling device (3) comprises:

a main beam (3.1) arranged on the adjusting seat (2), wherein a supporting plate (3.2) capable of sliding is arranged on the main beam (3.1);

-a punching device (3.9) fixedly connected to the pallet (3.2) for synchronous movement with the pallet (3.2);

A driving device (3.3) arranged on the main beam (3.1) and provided with an output shaft (3.31) for outputting rotation power, wherein the output shaft (3.31) is in transmission connection with a screw rod shaft piece (3.4) synchronously rotating along with the output shaft (3.31);

wherein, the screw rod shaft piece (3.4) is sleeved with a movable sleeve (3.5) which is spaced from the supporting plate (3.2);

The moving sleeve (3.5) is configured to be screwed with the screw shaft (3.4) so as to be capable of moving on the screw shaft (3.4) along with the rotation of the screw shaft (3.4);

The outer wall of the movable sleeve (3.5) is provided with a bolt part (3.51) protruding outwards, and the supporting plate (3.2) is provided with a plug hole (3.21) matched with the bolt part (3.51);

In the direction perpendicular to the axis of the screw rod shaft (3.4), the bolt part (3.51) is inserted into the inserting hole (3.21) so that the moving sleeve (3.5) drives the supporting plate (3.2) to move;

In the direction perpendicular to the axis of the screw shaft (3.4), a space for the plug pin part (3.51) to move in the plug hole (3.21) is reserved in the plug hole (3.21).

2. Drilling machine according to claim 1, characterized in that the adjustment seat (2) comprises:

a mounting frame body (2.1) having a fixing portion (2.11) fixedly connected to the base (1);

a rotating shaft (2.2) rotatably mounted on the mounting frame body (2.1), one end of the rotating shaft is provided with a connecting plate (2.3), and the main beam (3.1) is fixedly connected with the connecting plate (2.3);

a control shaft (2.4) rotatably mounted on the mounting frame body (2.1);

The axis of the rotating shaft (2.2) and the axis of the control shaft (2.4) are arranged in a staggered manner, a transmission gear (2.5) is fixedly sleeved on the rotating shaft (2.2), a spiral tooth (2.41) which extends spirally along the axial direction is arranged on the control shaft (2.4), and a worm gear reducer structure is formed by meshing the transmission gear (2.5) with the spiral tooth (2.41);

One end of the control shaft (2.4) is also provided with a wheel disc (2.6) for driving the control shaft (2.4) to rotate;

the wheel disc (2.6) is provided with a handle portion (2.61) which is configured to be held by a hand and bears an acting force for driving the wheel disc (2.6) to rotate.

3. The drilling machine according to claim 2, characterized in that the outer surface of the control shaft (2.4) has outwardly protruding latches (2.42);

The mounting frame body (2.1) is connected with a rotatable locking rod (2.7), and the rotation coverage area of the locking rod (2.7) is provided with a part overlapped with the rotation coverage area of the latch (2.42) so that the locking rod (2.7) can rotate to collide with the latch (2.42);

The locking rod (2.7) is provided with a locking groove (2.71) matched with the rotation track of the latch (2.42) for clamping the latch (2.42);

the latch (2.42) is clamped/separated in/from the locking groove (2.71) by rotating the locking rod (2.7), so that the control shaft (2.4) is in a non-rotatable locking state/a rotatable movable state.

4. The drilling machine according to claim 1, characterized in that the base (1) comprises:

A support chassis (1.1);

The lower end of the rotating rod (1.2) is rotatably connected with the supporting underframe (1.1), a shifting frame (1.3) which slides back and forth in the axial direction of the rotating rod (1.2) is sleeved on the rotating rod (1.2), and the adjusting seat (2) is connected with the shifting frame (1.3) and moves along with the shifting frame (1.3);

the upper end of the telescopic rod (1.4) is rotatably connected with the shifting frame (1.3), the lower end of the telescopic rod is rotatably connected with the supporting underframe (1.1), and the telescopic rod (1.4) is configured to be adjustable in length, and the spatial position of the drilling device (3) is changed by changing the length of the telescopic rod (1.4).

5. The drilling machine according to any one of claims 1 to 4, characterized in that in the axial direction of the screw shaft (3.4), the screw shaft (3.4) comprises a threaded shaft section (3.41) with a thread for screwing with the moving sleeve (3.5), and a first mounting shaft section (3.42) and a second mounting shaft section (3.43) placed on both sides of the threaded shaft section (3.41);

a first support bearing (3.6) is sleeved on the first installation shaft section (3.42), and a second support bearing (3.7) is sleeved on the second installation shaft section (3.43);

The first support bearing (3.6) and the second support bearing (3.7) are both mounted in the main beam (3.1) to jointly form a support for the rotatable screw shaft (3.4).

6. The drilling machine according to claim 5, characterized in that the main beam (3.1) has a first insertion opening (3.11) into which the first mounting shaft section (3.42) is inserted, and a second insertion opening (3.12) into which the second mounting shaft section (3.43) is inserted;

The first support bearing (3.6) is positioned and accommodated in the first inserting hole channel (3.11), the first mounting shaft section (3.42) comprises a first clamping part (3.421) protruding outwards, and a first limiting part (3.111) protrudes from the inner wall of the first inserting hole channel (3.11);

In the axial direction of the screw shaft (3.4), the first clamping part (3.421) is arranged on the side of the first support bearing (3.6) facing away from the threaded shaft section (3.41), and the first limiting part (3.111) is arranged on the side of the first support bearing (3.6) facing toward the threaded shaft section (3.41);

The second support bearing (3.7) is positioned and accommodated in the second inserting hole channel (3.12), the second installation shaft section (3.43) comprises a second clamping part (3.431) protruding outwards, and a second limiting part (3.121) protrudes from the inner wall of the second inserting hole channel (3.12);

In the axial direction of the screw shaft (3.4), the second clamping part (3.431) is arranged on the side of the second support bearing (3.7) facing away from the threaded shaft section (3.41), and the second limiting part (3.121) is arranged on the side of the second support bearing (3.7) facing toward the threaded shaft section (3.41);

And in the axial direction of the screw shaft (3.4), the end surface of the first mounting shaft section (3.42) facing away from the threaded shaft section (3.41) and the end surface of the second mounting shaft section (3.43) facing away from the threaded shaft section (3.41) are configured so as not to be in contact with the main beam (3.1) and the driving device (3.3).

7. The drilling machine according to claim 6, characterized in that one end of the spindle shaft (3.4) has a first plug-in hole (3.44) which opens towards the output shaft (3.31);

The output shaft (3.31) is inserted into the first inserting hole (3.44) to drive the screw rod shaft piece (3.4) to rotate, and the end face of the inserting end of the output shaft (3.31) and the inner wall of the first inserting hole (3.44) are arranged at intervals in the axial direction of the screw rod shaft piece (3.4).

8. The drilling machine according to any one of claims 1 to 4, characterized in that the spindle shaft (3.4) comprises a connecting body (3.4 a) and a spindle body (3.4 b);

One end of the connecting body (3.4 a) is in transmission connection with the output shaft (3.31), the other end of the connecting body is detachably in transmission connection with the screw rod body (3.4 b), and the moving sleeve (3.5) is arranged to be sleeved on the screw rod body (3.4 b) and in threaded connection with the screw rod body (3.4 b).

9. The drilling machine according to claim 8, characterized in that the other end of the connecting body (3.4 a) is provided with a second plug hole (3.4.5) which is opened towards the screw rod body (3.4 b);

the screw rod body (3.4 b) is provided with an inserting part which is inserted into the second inserting hole (3.4.5);

A detachable pin shaft (3.8) is inserted into the connecting body (3.4 a), one end of the pin shaft (3.8) penetrates through the side wall of the second inserting hole (3.4.5) and is inserted into the inserting part of the screw rod body (3.4 b), so that the connecting body (3.4 a) is detachably connected with the screw rod body (3.4 b) in a transmission mode.

10. The drilling machine according to any one of claims 1 to 4, characterized in that the plug-in holes (3.21) are configured as through-holes arranged through the pallet (3.2).