Hydraulic jack moving device for transverse movement of underground coal mine heading machine
Technical Field
The invention relates to the technical field of coal mining, in particular to a hydraulic jack moving device for transverse movement of a coal mine underground heading machine.
Background
In the underground coal mine tunneling operation process, a tunneling machine is key equipment for realizing coal and rock cutting, loading and transportation, and the working efficiency of the tunneling machine directly influences the overall progress and the safety level of tunnel tunneling. Because the roadway environment is complex and the space is limited, the development machine is required to carry out transverse displacement (transverse movement) operation after the development operation so as to adjust the position of a working surface, correct the development direction or avoid the roadway side obstacle.
At present, in the traversing process of the underground coal mine heading machine, a hydraulic jack is generally adopted for pushing or traction operation. The hydraulic jack utilizes high-pressure liquid to push the piston to generate thrust, so that the heading machine is pushed to realize transverse displacement. The mode has the advantages of large thrust, high control precision and stable action, and is widely applied to the sideslip and posture adjustment operation of the underground heading machine. However, the technical problems still exist in actual production, such as1, the hydraulic jack has a large self weight, the underground roadway space is narrow, the number of turns is large, the top and bottom plates are uneven, the traditional hoisting and manual lifting and transporting modes are difficult to operate, the transporting efficiency is low, and the potential safety hazard is large. 2. The underground hoisting equipment is limited, the space of the hoisting point is narrow, the jack is easy to shake in the hoisting process and collide with the roadway wall, and the like, so that the risk of equipment damage and personnel injury is increased. 3. Under the working condition that the heading machine needs to transversely move for many times, the frequent manual carrying and arranging of the jacks not only consumes time, but also increases the labor intensity of workers and influences the overall construction progress.
Therefore, there is a need to design a hydraulic jack moving device for traversing a coal mine underground heading machine, which has a compact structure, is convenient to carry, can be rapidly arranged, and can be safely and stably used in a narrow space, so as to improve the efficiency and safety of traversing operation of the heading machine.
Disclosure of Invention
In order to overcome the defects in the prior art and solve at least one technical problem in the background art, the invention provides a hydraulic jack moving device for transversely moving a coal mine underground heading machine.
The technical scheme includes that the hydraulic jack moving device for transversely moving a coal mine underground tunneling machine comprises a jack and a moving device, the moving device comprises a placing plate, the placing plate consists of a longitudinal plate and transverse plates on two sides, the two placing plates are symmetrically arranged to form a rectangular frame, a mounting block is arranged at the corner of the placing plate, a main threaded rod is in threaded connection with the mounting block, the bottom end of the main threaded rod extends to the lower part of the placing plate, a supporting wheel is connected with the bottom end of the main threaded rod in a rotating mode, a clamping plate is connected to the inner side of the longitudinal plate of the placing plate in a sliding mode, the jack is longitudinally horizontally arranged in the rectangular frame formed by the placing plate, the clamping plate is sleeved on the surface of the jack, the main threaded rod drives the supporting wheel to move downwards to support the jack, and the jack can be driven to move in a rolling mode on the ground.
Further, the clamping plate is an arc-shaped plate attached to the cylinder body of the jack, and the upper edge and the lower edge of the arc-shaped plate are respectively positioned above and below the horizontal central line of the cylinder body of the jack.
Further, the lower edge of the clamping plate is fixedly connected with a horizontally arranged mounting plate, and a diagonal bracing plate for reinforcement is connected between the upper side of the mounting plate and the outer side of the clamping plate.
Further, the inner surface of the longitudinal plate is longitudinally provided with a slotted hole, a plurality of transverse supporting rods are longitudinally and fixedly arranged in the slotted hole at intervals, the lower side surface of the mounting plate is longitudinally provided with a sliding block, and the sliding block is connected to the supporting rods in a sliding mode.
Further, the outside fixed connection fixed plate of mounting panel, when splint paste tight jack stack shell state, the surface correspondence of fixed plate and vertical board is equipped with a plurality of through-holes, is connected with the position that the locating pin can restriction splint in the through-hole.
Further, the transverse plate end side of the placing plate is provided with a connecting block, the connecting block is transversely provided with a screw hole, and the two placing plates are connected through fixing bolts in the screw hole.
Further, the upper end of the main threaded rod is fixedly provided with a belt pulley, and a belt is connected between the belt pulleys of the two transverse main threaded rods.
Further, the middle part of the longitudinal plate of the placing plate is provided with an auxiliary wheel mechanism, the auxiliary wheel mechanism comprises a clamping block detachably connected with the longitudinal plate, the outer side of the clamping block is provided with an auxiliary threaded rod of which the supporting part is in threaded connection with the vertical arrangement, and the bottom end of the auxiliary threaded rod is provided with an auxiliary wheel.
Further, the clamping block is U-shaped and sleeved on the outer side of the longitudinal plate, and the clamping block and the longitudinal plate are vertically connected with limit bolts in a threaded mode.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the placing plate and supporting wheel structure is arranged below the jack, so that the jack can realize stable rolling movement in a narrow underground space, the hydraulic jack can be conveniently moved and quickly arranged, the traditional manual lifting and hoisting operation is avoided, the labor intensity and the transportation risk of workers are obviously reduced, and the mobility and the arrangement efficiency of equipment in a roadway are improved.
2. The rectangular frame structure is formed by connecting the left and right symmetrical placing plates through bolts, the jack with different specifications can be quickly assembled or carried in a split mode, the structure is simple, the installation and the disassembly are convenient, the adaptability is high, the repeated use is realized, and the flexible deployment requirements under different underground construction environments are met.
3. The clamping plate adopts an arc-shaped structure attached to the cylinder body of the jack, and realizes multi-point locking and fixing through the positioning pin, so that the jack can be kept stable in a moving or working state, displacement caused by vibration or uneven ground is prevented, and the operation safety and stability are improved.
4. Through the screw thread elevation structure of main threaded rod and supporting wheel, can adjust supporting height according to the unevenness condition of bottom plate in the pit, realize the horizontal support of jack and ground, guarantee that the atress is even and the top pushing direction is accurate, improved traditional equipment and on the subaerial unstable problem of support of slope. The two transverse main threaded rods are linked with the belt through the belt pulley, synchronous lifting operation is achieved, the integral supporting height of the jack can be uniformly adjusted only by single-side rotation, the operation efficiency is improved, and single independent operation is facilitated.
5. The auxiliary wheel adopts a detachable clamping block structure, so that the auxiliary wheel is convenient to install and store. Through supporting wheel, auxiliary wheel, splint and the spacing cooperation of multiple spot, make the jack all keep firm support in transport, arrangement and top pushing operation overall process, avoid empting or rocking, promoted reliability and the security of equipment in the adverse circumstances in the pit.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the structure at A in FIG. 1;
FIG. 3 is a schematic diagram of an explosive structure according to the present invention;
FIG. 4 is a schematic side view of the present invention;
Fig. 5 is a schematic diagram of the structure at B in fig. 4.
In the figure, 1, a jack; 2, hanging rings, 3, interfaces, 4, a moving device, 41, a placing plate, 42, a main threaded rod, 43, a supporting wheel, 44, a clamping plate, 45, a supporting rod, 46, a fixing plate, 47, a locating pin, 48, a fixing bolt, 49, a belt, 5, an auxiliary wheel mechanism, 51, a clamping block, 52, an auxiliary threaded rod, 53, an auxiliary wheel, 54, a limiting bolt, 55 and a supporting part.
Detailed Description
For a better understanding of the objects, structures and functions of the present invention, a hydraulic jack moving device for traversing a coal mine underground heading machine according to the present invention will be described in further detail with reference to the accompanying drawings.
As shown in figures 1-5, the hydraulic jack moving device for the transverse movement of the underground coal mine heading machine comprises a jack 1 and a moving device 4, wherein two hanging rings 2 and an interface 3 are fixedly connected to the surface of the jack 1. The mobile device 4 is including placing the board 41, place the board 41 and constitute by the diaphragm of longitudinal plate and both sides, two place the board 41 symmetry and set up the rectangular frame of constituteing, the corner of placing the board 41 sets up the installation piece, threaded connection has the main threaded rod 42 of vertical setting on the installation piece, the bottom of main threaded rod 42 extends to the below of placing the board 41, and it is connected with supporting wheel 43 to rotate, the inboard sliding connection of longitudinal plate of placing the board 41 has splint 44, splint 44 can hug closely and fix at the surface of jack 1.
During operation, the rectangular frame formed by the placing plates 41 is placed on the outer side of the jack 1, the clamping plates 44 are pushed to slide, the clamping plates 44 are fixedly attached to the surface of the jack 1, then the main threaded rod 42 is rotated to enable the main threaded rod 42 to rotate in the installation block, the main threaded rod 42 drives the supporting wheels 43 to move downwards, the supporting wheels 43 jack up the jack 1, the jack 1 is pushed to enable the jack 1 to drive the placing plates 41 to move, the placing plates 41 drive the supporting wheels 43 to roll on the ground, and the placing plates 41, the main threaded rod 42, the supporting wheels 43 and the clamping plates 44 can conveniently move the jack 1.
In this embodiment, the transverse plate end side of the placement plate 41 is provided with a connection block, and the connection block is laterally provided with two screw holes in which fixing bolts 48 can be screwed. In operation, the fixing bolts 48 are turned to the two connection blocks, thereby fixing the placement plates 41 on both sides together.
The clamping plate 44 is an arc-shaped plate attached to the cylinder body of the jack 1, the upper edge and the lower edge of the arc-shaped plate are respectively located above and below the horizontal central line of the cylinder body of the jack 1, the lower edge of the clamping plate 44 is fixedly connected with a horizontally arranged mounting plate, and a diagonal bracing plate for reinforcement is connected between the upper side of the mounting plate and the outer side of the clamping plate 44.
The inner surface of the longitudinal plate of the placement plate 41 is longitudinally provided with a slotted hole, a plurality of transverse supporting rods 45 are longitudinally and fixedly arranged in the slotted hole at intervals, and the lower side surface of the mounting plate is longitudinally provided with a sliding block which is connected on the supporting rods 45 in a sliding manner. In operation, the clamping plate 44 slides on the supporting rod 45 through the sliding block, and the supporting rod 45 can simultaneously support the clamping plate 44.
The outside fixedly connected with fixed plate 46 of mounting panel, when splint 44 paste the tight jack 1 stack shell state, fixed plate 46 and the surface correspondence of indulge the board are equipped with a plurality of through-holes, can set up locating pin 47 in the through-hole. When the clamping plate 44 is in operation, the clamping plate 44 drives the fixing plate 46 to slide, after the fixing plate 46 slides to a proper position, the positioning pins 47 are placed in the through holes of the fixing plate 46 and the longitudinal plates, and the positions of the clamping plate 44 can be limited by arranging the fixing plate 46 and the positioning pins 47.
The upper end of the main threaded rod 42 is fixedly provided with a belt pulley, and a belt 49 is meshed between the belt pulleys of the two transverse main threaded rods 42. When the device works, the belt 49 is pulled to drive the belt 49 to drive the two main threaded rods 42 to rotate, and the belt 49 is arranged to facilitate the simultaneous operation of the two main threaded rods 42.
In addition, an auxiliary wheel mechanism 5 is arranged in the middle of the vertical plate of the placement plate 41, the auxiliary wheel mechanism 5 comprises a clamping block 51, the clamping block 51 is detachably connected with the vertical plate, specifically, the clamping block 51 is in a U-shaped sleeve on the outer side of the vertical plate, a threaded hole is formed in the surface of the vertical plate, and the clamping block 51 is fixedly connected with the vertical plate through a limiting bolt 54 penetrating through the clamping block 51 in a threaded mode. The position of the catch block 51 on the surface of the placement plate 41 can be restricted by providing the limit bolts 54. The outside of joint piece 51 is equipped with supporting part 55, and vertical threaded connection is followed by the threaded rod 52 on supporting part 55, and auxiliary wheel 53 is rotated to the bottom of vice threaded rod 52.
During operation, the clamping block 51 is sleeved on the surface of the placing plate 41, the limit bolt 54 is screwed to the clamping block 51 and the vertical plate of the placing plate 41, the auxiliary threaded rod 52 is rotated to enable the auxiliary threaded rod 52 to rotate in the supporting portion 55, and the auxiliary threaded rod 52 drives the auxiliary wheel 53 to move so that the auxiliary wheel 53 is attached to the ground. When the placing plate 41 moves, the placing plate 41 can drive the auxiliary wheel 53 to roll on the ground, the placing plate 41 can be supported in an auxiliary mode through the clamping block 51, the auxiliary threaded rod 52 and the auxiliary wheel 53, and the overall strength of the moving device 4 can be increased through the auxiliary supporting of the placing plate 41.
When the jack 1 needs to be carried, two placing plates 41 are placed on two sides of the jack 1, fixing bolts 48 are rotated to connect screw holes of two connecting blocks to complete assembly, clamping plates 44 are pushed to enable the clamping plates 44 to slide along supporting rods 45, the clamping plates 44 are tightly attached to the surface of the jack 1, positioning pins 47 are placed in corresponding holes of the fixing plates 46 and the longitudinal plates, two belts 49 are respectively sleeved on the surfaces of pulleys of two groups of main threaded rods 42, the belts 49 are pulled to enable the belts 49 to drive the two main threaded rods 42 to rotate in mounting blocks, the main threaded rods 42 drive supporting wheels 43 to jack up the jack 1, after the supporting wheels 43 jack up the placing plates 41, clamping blocks 51 are pushed to enable the clamping blocks 51 to be sleeved on the outer sides of the longitudinal plates, limiting bolts 54 are used to connect the clamping blocks 51 with the threaded rods, then pairs 52 are rotated to enable pairs 52 to rotate in supporting portions 55, and the pairs 52 drive auxiliary wheels 53 to move to enable the auxiliary threaded rods 53 to jack up on the ground. Finally, pushing the jack 1 to make the jack 1 drive the placing plate 41 to move, the placing plate 41 drives the supporting wheel 43 to roll on the ground, and the placing plate 41 also drives the auxiliary wheel 53 to roll on the ground when moving.
According to the invention, the jack 1 can be conveniently moved by arranging the moving device 4, the condition that the jack cannot be lifted in a cramped environment is reduced, so that the manpower can be saved to a certain extent, the problems of difficult transportation, inconvenient arrangement, unstable operation and the like of the conventional hydraulic jack in a coal mine are solved, the structure is light, the movement is flexible, the positioning is accurate, the use is safe, and the hydraulic jack has remarkable practical value and popularization significance.
It will be understood that the application has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the application. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the application without departing from the essential scope thereof. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.