CN107816070B - Hook digging rock arm forearm convenient for weight gain - Google Patents
Hook digging rock arm forearm convenient for weight gain Download PDFInfo
- Publication number
- CN107816070B CN107816070B CN201711192702.4A CN201711192702A CN107816070B CN 107816070 B CN107816070 B CN 107816070B CN 201711192702 A CN201711192702 A CN 201711192702A CN 107816070 B CN107816070 B CN 107816070B
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- CN
- China
- Prior art keywords
- weight increasing
- hole
- groove
- forearm
- limiting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000000245 forearm Anatomy 0.000 title claims abstract description 35
- 239000011435 rock Substances 0.000 title claims abstract description 18
- 230000004584 weight gain Effects 0.000 title claims abstract description 15
- 235000019786 weight gain Nutrition 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 238000005429 filling process Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Food-Manufacturing Devices (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The application discloses a hook digging rock arm forearm convenient for weight increasing, which comprises a forearm and an external weight increasing mechanism, wherein the external weight increasing mechanism comprises a weight increasing plate groove and a locking device, the weight increasing plate groove is arranged on one side, which is clung to the forearm, of the weight increasing plate groove, a notch of the weight increasing plate groove faces upwards, a sliding groove which is arranged along the vertical direction is formed in the outer side wall of the forearm above the notch of the weight increasing plate groove, a sliding block is arranged in the sliding groove, the locking device comprises a limit cross rod, one end of the limit cross rod is connected with the sliding block, a screw through hole is formed in the position, above the wall of the weight increasing plate groove, of the other end of the limit cross rod, a screw is penetrated in the screw through hole, and a fastening screw hole is formed in the position, corresponding to the screw through hole, of the top of the wall of the weight increasing plate groove. The weight gain of the existing hook digging rock arm is realized by filling materials in the hollow structure of the small arm, the material filling process is complex, the time is long, and the unloading is inconvenient.
Description
Technical Field
The application relates to the field of equipment for excavation, in particular to a hooked rock arm forearm convenient for weight increment.
Background
The rock arm with the digging hook is usually used for digging the hook and digging and planing the rock, and consists of a large arm, a small arm and a digging hook, wherein the large arm and the small arm in the large arm are connected with a frame and have long arm lengths, so the large arm is commonly called a large arm, the small arm is connected with the digging hook, and the small arm is relatively small, so the large arm is commonly called a small arm.
In order to adjust the rock breaking power according to the condition of the on-site rock hardness, the existing small arm is generally of a hollow structure, so that the weight of the small arm can be adjusted by filling materials in the hollow structure of the small arm, the effect of indirectly adjusting the rock breaking power of the small arm is achieved, the heavier the small arm is, the better the rock breaking effect is, but the weight of the small arm is adjusted in the mode, the more complicated the process is, the slower the speed is, and the stability of the structure is affected due to the fact that the small arm is hollow.
Disclosure of Invention
The application aims to provide a small arm of a hook digging rock arm, which is convenient for weight increment, and solves the problems that the weight increment of the existing hook digging rock arm is realized by filling materials in a hollow structure of the small arm, the material filling process is complex, the time is long and the unloading is inconvenient.
In order to solve the technical problems, the application adopts the following technical scheme:
the utility model provides a dig hook rock arm forearm convenient to weight gain, includes forearm and outside weight increasing mechanism, outside weight increasing mechanism is including weight increasing board groove and locking device, weight increasing board groove hugs closely one side setting of forearm, weight increasing board groove's notch up, open on the forearm lateral wall of weight increasing board groove notch top has the spout that sets up along vertical direction, be equipped with the slider in the spout, locking device includes spacing horizontal pole, spacing horizontal pole's one end links to each other with the slider, spacing horizontal pole's the other end is located weight increasing board groove cell wall top the position be equipped with the screw rod through-hole, screw rod through-hole department wears to be equipped with the screw rod, weight increasing board groove cell wall's top and the position department that the screw rod through-hole corresponds are equipped with tightly decides the screw hole.
The weight increasing mechanism for increasing the weight of the small arm is arranged outside the small arm, so that the operation is more convenient, when the weight of the small arm needs to be increased, the limit cross rod is pushed upwards along the sliding groove, then the prepared steel plates matched with the weight increasing plate groove are placed in the weight increasing plate groove, the number of the steel plates placed in the weight increasing plate groove is determined by the weight to be increased, after the steel plates are placed, the limit cross rod is moved to the bottommost end, the bottom of the limit cross rod is contacted with the top end of the steel plates placed in the weight increasing plate groove, and finally the screw is screwed into the fixed screw hole to fix the limit cross rod, so that the weight of the small arm is reduced, and only the steel plates in the weight increasing plate groove need to be taken out.
As a further preferable aspect of the present application, the number of the sliding grooves is more than two, and the locking device is disposed corresponding to the sliding grooves.
The number of the sliding grooves is more than two, so that the locking devices are more than two, and the steel plate can be more firmly locked in the weight increasing plate groove.
As a further preferable mode of the application, the length of the limiting transverse rod is longer than the width of the notch of the weight increasing plate groove, an auxiliary locking block is arranged at the bottom of one end, far away from the forearm, of the limiting transverse rod, an auxiliary locking through hole is arranged in the middle of the auxiliary locking block and moves up and down along with the up-and-down movement of the limiting transverse rod, the auxiliary locking rod penetrates through the auxiliary locking through hole, a limiting hole is formed in the outer groove wall of the weight increasing plate groove, and the lowest position of the moving track of the auxiliary locking through hole is opposite to the position where the limiting hole is arranged.
Because the forearm is in vibration state in the course of the work, and the fixed of spacing horizontal pole is realized through the threaded connection between screw rod and the tight screw hole, consequently if in the past, the screw thread of screw rod lower part and the screw thread in the tight screw hole just receive the destruction easily, consequently designed supplementary locking device and help spacing horizontal pole to fix, fix the back with the screw rod with spacing horizontal pole, supplementary locking through-hole on the supplementary latch segment is just to spacing hole, only need insert spacing downthehole with the one end of the supplementary latch lever of wearing to establish in supplementary locking through-hole department this moment, can accomplish the spacing to spacing horizontal pole.
As a further preferable mode of the application, the outer part of the auxiliary locking rod, which is close to one end of the groove wall of the weight increasing plate groove, is provided with an external thread, and the inner wall of the limiting hole is provided with an internal thread which is matched with the external thread on the auxiliary locking rod.
The auxiliary locking rod is in threaded connection with the limiting hole, so that the fixing is firmer.
As a further preferable mode of the application, the small arm passes through the ear plate and the digging hook, and a limiting feeding plate is arranged on the inner side of the ear plate.
The limiting plate is arranged on one side of the ear plate, so that the rotating angle of the digging hook can be limited, namely, after the digging hook rotates to a certain angle, the digging hook cannot continuously rotate under the action of the limiting plate, so that the rock breaking effect of the digging hook is better, and the reaction force born by the bucket cylinder is small.
As a further preferable mode of the application, the limiting supply plate arranged on one side of the ear plate is in a right triangle shape, one side of the limiting supply plate opposite to the right angle is connected with the top of the digging hook, and the top of the limiting supply plate is also provided with a rubber cushion block.
When the limiting plate can prop against the forearm after being stressed to rotate to a certain position, the top end of the limiting plate can impact the front end of the forearm when the limiting plate and the forearm just contact, and the rubber cushion block is arranged at the top end of the limiting plate, so that the impact and damage of the top end of the limiting plate to the forearm can be reduced, the forearm is more durable, and the service life is long.
Compared with the prior art, the application can at least achieve one of the following beneficial effects:
1. can realize external weight gain, has simple structure and simple and quick operation.
2. The iron plate is fixed firmly, and the iron plate is not easy to fly out of the weight increasing plate groove, so that the safety is improved.
Drawings
Fig. 1 is a schematic structural view of the present application.
Fig. 2 is a schematic structural view of the external weighting mechanism of the present application.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Specific example 1:
fig. 1 shows a hook digging rock arm forearm convenient to weight gain, including forearm 1 and outside weight gain mechanism 2, outside weight gain mechanism 2 includes weight gain board groove 21 and locking device 22, weight gain board groove 21 hugs closely one side of forearm 1 and sets up, weight gain board groove 21's notch up, open on the forearm 1 lateral wall of weight gain board groove 21 notch top has the spout 3 that sets up along vertical direction, be equipped with slider 4 in the spout 3, locking device 22 includes spacing horizontal pole 221, spacing horizontal pole 221's one end links to each other with slider 3, the position that the other end of spacing horizontal pole 221 is located weight gain board groove 21 cell wall top is equipped with screw through-hole 5, screw through-hole 5 department wears to be equipped with screw rod 6, weight gain board groove 21 cell wall's top and screw through-hole 5 correspond the position department and be equipped with tightly fix the screw.
The weight increasing mechanism for increasing the weight of the small arm is arranged outside the small arm, so that the operation is more convenient, when the weight of the small arm needs to be increased, the limit cross rod is pushed upwards along the sliding groove, then the prepared steel plates matched with the weight increasing plate groove are placed in the weight increasing plate groove, the number of the steel plates placed in the weight increasing plate groove is determined by the weight to be increased, after the steel plates are placed, the limit cross rod is moved to the bottommost end, the bottom of the limit cross rod is contacted with the top end of the steel plates placed in the weight increasing plate groove, and finally the screw is screwed into the fixed screw hole to fix the limit cross rod, so that the weight of the small arm is reduced, and only the steel plates in the weight increasing plate groove need to be taken out.
Specific example 2:
in this embodiment, the number of the sliding grooves 3 is further described based on the specific embodiment 1, and more than two sliding grooves 3 are provided, and the locking devices 22 are disposed corresponding to the sliding grooves 3.
The number of the sliding grooves is more than two, so that the locking devices are more than two, and the steel plate can be more firmly locked in the weight increasing plate groove.
Specific example 3:
in this embodiment, the auxiliary locking block 7 is additionally arranged on the basis of the specific embodiment 1, the length of the limiting cross rod 221 is longer than the width of the notch of the weight increasing plate groove 21, the auxiliary locking block 7 is arranged at the bottom of one end, far away from the forearm 1, of the limiting cross rod 221, the auxiliary locking through hole 71 is arranged in the middle of the auxiliary locking block 7, the auxiliary locking through hole 71 moves up and down along with the up-and-down movement of the limiting cross rod 221, the auxiliary locking rod 8 is arranged at the auxiliary locking through hole 71 in a penetrating manner, the limiting hole 211 is formed in the outer groove wall of the weight increasing plate groove 21, and the lowest position of the moving track of the auxiliary locking through hole 71 is opposite to the position where the limiting hole 211 is arranged.
Because the forearm is in vibration state in the course of the work, and the fixed of spacing horizontal pole is realized through the threaded connection between screw rod and the tight screw hole, consequently if in the past, the screw thread of screw rod lower part and the screw thread in the tight screw hole just receive the destruction easily, consequently designed supplementary locking device and help spacing horizontal pole to fix, fix the back with the screw rod with spacing horizontal pole, supplementary locking through-hole on the supplementary latch segment is just to spacing hole, only need insert spacing downthehole with the one end of the supplementary latch lever of wearing to establish in supplementary locking through-hole department this moment, can accomplish the spacing to spacing horizontal pole.
Specific example 4:
the embodiment further illustrates the auxiliary locking rod 8 and the limiting hole 211 on the basis of the specific embodiment 3, wherein an external thread is arranged on the outer portion of one end of the auxiliary locking rod 8, which is close to the groove wall of the weight increasing plate groove 21, and an internal thread matched with the external thread on the auxiliary locking rod 8 is arranged on the inner wall of the limiting hole 211.
The auxiliary locking rod is in threaded connection with the limiting hole, so that the fixing is firmer.
Specific example 5:
in this embodiment, on the basis of embodiment 1, an ear plate 9 and a hook 10 are added, and the forearm 1 passes through the ear plate 9 and the hook 10, and a limiting feeding plate 91 is disposed on the inner side of the ear plate 9.
The limiting plate is arranged on one side of the ear plate, so that the rotating angle of the digging hook can be limited, namely, after the digging hook rotates to a certain angle, the digging hook cannot continuously rotate under the action of the limiting plate, so that the rock breaking effect of the digging hook is better, and the reaction force born by the bucket cylinder is small.
Specific example 6:
in this embodiment, the limiting and supplying board 91 is further described on the basis of embodiment 5, the limiting and supplying board 91 disposed on one side of the ear board 9 is in a right triangle shape, one side of the limiting and supplying board 91 opposite to the right angle is connected to the top of the digging hook 10, and the top of the limiting and supplying board 91 is further provided with a rubber cushion block 911.
When the limiting plate can prop against the forearm after being stressed to rotate to a certain position, the top end of the limiting plate can impact the front end of the forearm when the limiting plate and the forearm just contact, and the rubber cushion block is arranged at the top end of the limiting plate, so that the impact and damage of the top end of the limiting plate to the forearm can be reduced, the forearm is more durable, and the service life is long.
Although the application has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (1)
1. The utility model provides a dig hook rock arm forearm convenient to weight gain, includes forearm (1) and outside weight increasing mechanism (2), its characterized in that: the external weight increasing mechanism (2) comprises a weight increasing plate groove (21) and a locking device (22), wherein the weight increasing plate groove (21) is tightly attached to one side of the forearm (1), a notch of the weight increasing plate groove (21) faces upwards, a sliding groove (3) arranged in the vertical direction is formed in the outer side wall of the forearm (1) above the notch of the weight increasing plate groove (21), a sliding block (4) is arranged in the sliding groove (3), the locking device (22) comprises a limit cross rod (221), one end of the limit cross rod (221) is connected with the sliding block (4), a screw through hole (5) is formed in the position, above the groove wall of the weight increasing plate groove (21), of the other end of the limit cross rod (221), a screw (6) is penetrated in the screw through hole (5), and a fastening screw hole is formed in the position, corresponding to the screw through hole (5), of the top of the groove wall of the weight increasing plate groove (21);
the number of the sliding grooves (3) is more than two, and the locking devices (22) are arranged corresponding to the sliding grooves (3);
the length of the limiting cross rod (221) is longer than the width of the notch of the weight increasing plate groove (21), an auxiliary locking block (7) is arranged at the bottom of one end, far away from the forearm (1), of the limiting cross rod (221), an auxiliary locking through hole (71) is arranged in the middle of the auxiliary locking block (7), the auxiliary locking through hole (71) moves up and down along with the up-and-down movement of the limiting cross rod (221), an auxiliary locking rod (8) is arranged at the auxiliary locking through hole (71) in a penetrating mode, a limiting hole (211) is formed in the outer groove wall of the weight increasing plate groove (21), and the lowest position of the moving track of the auxiliary locking through hole (71) is opposite to the position where the limiting hole (211) is arranged;
an external thread is arranged outside one end of the auxiliary locking rod (8) close to the groove wall of the weight increasing plate groove (21), and an internal thread matched with the external thread on the auxiliary locking rod (8) is arranged on the inner wall of the limit hole (211);
the small arm (1) is connected with the digging hook (10) through the ear plate (9), and a limiting supply plate (91) is arranged at the inner side of the ear plate (9);
the limiting feeding plate (91) arranged on one side of the ear plate (9) is in a right triangle shape, one edge of the limiting feeding plate (91) opposite to the right angle is connected with the top of the digging hook (10), and the top of the limiting feeding plate (91) is also provided with a rubber cushion block (911).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711192702.4A CN107816070B (en) | 2017-11-24 | 2017-11-24 | Hook digging rock arm forearm convenient for weight gain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711192702.4A CN107816070B (en) | 2017-11-24 | 2017-11-24 | Hook digging rock arm forearm convenient for weight gain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107816070A CN107816070A (en) | 2018-03-20 |
| CN107816070B true CN107816070B (en) | 2023-11-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711192702.4A Active CN107816070B (en) | 2017-11-24 | 2017-11-24 | Hook digging rock arm forearm convenient for weight gain |
Country Status (1)
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| CN (1) | CN107816070B (en) |
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| CN1534144A (en) * | 2003-03-27 | 2004-10-06 | ��ֽ����е��ʽ���� | Counter weight mounting structure for building machinery |
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| CN105798519A (en) * | 2016-05-30 | 2016-07-27 | 安徽昌永得机械有限公司 | Overlap welding tool suitable for counterweight assembly of rear frame of hoisting traveling wheel type crane |
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| CN207794164U (en) * | 2017-11-24 | 2018-08-31 | 成都凯隆机械维修有限公司 | Digging hook rock arm forearm with external traction device |
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2017
- 2017-11-24 CN CN201711192702.4A patent/CN107816070B/en active Active
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|---|---|---|---|---|
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| CN1534144A (en) * | 2003-03-27 | 2004-10-06 | ��ֽ����е��ʽ���� | Counter weight mounting structure for building machinery |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107816070A (en) | 2018-03-20 |
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