CN220179224U - Pin puller for pin of mining machinery equipment - Google Patents
Pin puller for pin of mining machinery equipment Download PDFInfo
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- CN220179224U CN220179224U CN202321941339.2U CN202321941339U CN220179224U CN 220179224 U CN220179224 U CN 220179224U CN 202321941339 U CN202321941339 U CN 202321941339U CN 220179224 U CN220179224 U CN 220179224U
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- top plate
- pin
- long screw
- screw rod
- pin puller
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- 238000005065 mining Methods 0.000 title claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model discloses a pin puller of mining machinery equipment, which comprises a top plate, a connecting groove, a long screw rod and a jacking piece, wherein the top plate is provided with a long screw rod hole which penetrates through the long screw rod hole and is fixedly connected with the top plate through a nut, threads of the long screw rod are matched with pin screw holes, and the jacking piece is connected with the connecting grooves which are symmetrically arranged at two end parts of the top plate; specifically, when a pin is required to be pulled out, firstly, a matched long screw rod is selected according to the size of a pin screw hole of a pin, the long screw rod is inserted into a long screw rod hole of a top plate and is fixedly connected with the top plate through a nut, then a jacking piece is connected with a connecting groove through a bolt and a screw rod, and finally, the two jacking pieces are pressed by hands, so that the two jacking pieces work towards one direction at the same time, and further, a pin shaft with high pretightening force can be pulled out; the device has the advantages of simple structure, convenient installation, large pulling force and capability of dismantling the large-scale pin shaft.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, in particular to a pin puller for a pin of mining mechanical equipment.
Background
At present, in the removal of mining machinery equipment, the problems of deformation, corrosion and the like of large-scale mechanical pin shafts such as a rear chute connecting shaft, a hydraulic support pin shaft, a coal mining machine rocker arm hinge pin and the like are affected by long-time work and geographical environment, so that the mining machinery equipment is difficult to remove, the construction progress is seriously restricted to be removed, and the coal mining work of a coal mine is disadvantageous.
The traditional pin shaft disassembling method is limited by the use height and strength, so that time and labor are wasted, and potential safety hazards exist. The existing pin puller works on a spool of a small machine and can not be deployed on a large machine.
Therefore, how to solve the problem of dismantling the large pin shaft is a technical problem that needs to be solved by the person skilled in the art at present.
Disclosure of Invention
The utility model aims to provide a pin puller for a mining mechanical device, which can solve the problem that a large-scale pin is inconvenient to disassemble.
In order to achieve the above object, the present utility model provides a pin puller for mining machinery equipment, comprising:
the top plate is provided with a long screw hole penetrating through the top plate;
the connecting grooves are symmetrically arranged at two end parts of the top plate;
the long screw rod penetrates through the long screw rod hole and is connected with the top plate, a nut for fixing the long screw rod is arranged at the end part of the long screw rod, which is connected with the top plate, and threads matched with the bolt screw holes are arranged at the end part of the long screw rod, which is far away from the top plate;
and the jacking piece is arranged at two end parts of the top plate and connected with the connecting groove.
Preferably, a plurality of gaskets are arranged between the nut and the top plate.
Preferably, the gasket is specifically a wood plate or an iron sheet, and a plurality of through holes with different apertures are formed in the gasket so as to be matched with long screws with different diameters.
Preferably, the connecting groove is provided with a screw hole penetrating through the connecting groove.
Preferably, the connecting groove is welded and fixed with the top plate.
Preferably, the lifting member is a hydraulic jack.
Preferably, the top plate has a rectangular cross-sectional shape.
Preferably, the top plate is made of metal.
Compared with the background art, the pin puller for the mining mechanical equipment provided by the utility model comprises a top plate, a connecting groove, a long screw rod and a jacking piece, wherein the top plate is provided with a long screw rod hole which penetrates through the long screw rod hole and is fixedly connected with the top plate through a nut, threads of the long screw rod are matched with the pin screw holes, and the jacking piece is connected with the connecting grooves which are symmetrically arranged at two end parts of the top plate; specifically, when a pin is required to be pulled out, firstly, a matched long screw rod is selected according to the size of a pin screw hole of a pin, the long screw rod is inserted into a long screw rod hole of a top plate and is fixedly connected with the top plate through a nut, then a jacking piece is connected with a connecting groove through a bolt and a screw rod, and finally, the two jacking pieces are pressed by hands, so that the two jacking pieces work towards one direction at the same time, and further, a pin shaft with high pretightening force can be pulled out; the device is simple in structure, convenient to install, high in tension and capable of conveniently dismantling the large pin shaft.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a pin puller top plate provided by an embodiment of the present utility model;
FIG. 2 is a side view of a pin puller top plate provided by an embodiment of the present utility model;
FIG. 3 is a top view of a pin puller top plate according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a pin puller according to an embodiment of the present utility model.
Wherein:
1-top plate, 11-long screw hole;
2-connecting grooves and 21-screw holes;
3-long screw rod, 31-thread;
4-nuts;
5-lifting member.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present utility model will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present utility model.
Referring to fig. 1 to 4, the pin puller of the mining machinery equipment provided by the utility model comprises a top plate 1, a connecting groove 2, a long screw 3 and a jacking piece 4, wherein a through long screw hole 11 is formed in the top plate 1, the long screw 3 passes through the long screw hole 11 and is fixedly connected with the top plate 1 through a nut 4, threads 31 of the long screw 3 are matched with pin screw holes, and the jacking piece 5 is connected with the connecting groove 2 which is symmetrically arranged at two ends of the top plate 1.
Specifically, when the pin is required to be pulled out, the matched long screw rod 3 is selected according to the size of the screw hole of the pin, the long screw rod 3 is inserted into the long screw rod hole 11 of the top plate 1, the long screw rod 3 is fixedly connected with the top plate 1 through the nut 4, and then the jacking piece 5 is connected with the connecting groove 2 through the bolt and the screw rod, so that the pin puller is formed. When the pin puller works, the two jacking pieces 5 are pressed by hands, so that the two jacking pieces 5 work in one direction at the same time, and then the pin with high pretightening force is pulled out.
The long screw 3 matched with the pin screw hole of the pin needs to be selected according to the size of the pin screw hole of the pin, so that the long screw 3 with various sizes needs to be arranged to match the size of the pin screw hole of the pin, the long screw 3 can be smoothly connected with the pin screw hole of the pin, and further the pin puller can be ensured to smoothly pull out the pin.
Further, the size of the long screw hole 11 of the top plate 1 needs to be set to be larger than the through hole of the cross section size of the long screw 3, so that the long screw 3 with different cross section sizes can be adapted, the long screws 3 with various cross section sizes can be smoothly inserted into the long screw hole 11 of the top plate 1, and normal connection of the top plate 1 and the long screw 3 is ensured.
The long screw 3 is made of metal, and has the advantages of high hardness, high strength and difficult deformation, and has the advantages of good processing manufacturability, low cost and easy manufacture.
In the above-mentioned circumstances, adopt the mode of dismantling the link between roof 1, long screw 3 and the nut 4, adopt the mode of dismantling the link between spread groove 2 and the jacking piece 5, so set up for the pin puller can be installed and dismantled conveniently at the in-process of pulling out the round pin, thereby can reduce staff intensity of labour, save the pin pulling time of pin puller, and then improve the pin pulling efficiency of pin puller, in addition still be convenient for transport.
The connecting grooves 2 are symmetrically arranged at two ends of the top plate 1, the connecting grooves 2 generally need to bear weight, and the symmetrical arrangement enables the stress to be balanced, so that the connecting grooves have the advantages of convenience in processing and manufacturing and lower cost.
The pin puller of the mining mechanical equipment, which is arranged in the mode, has the advantages of simple structure, convenience in installation and large pulling force, and can be used for dismantling a large-scale pin shaft.
In the above embodiment, a plurality of washers are provided between the nut 4 and the top plate 1.
The spacer is provided between the top plate 1 and the nut 4 of the pin puller, so that the pin pulling stroke of the pin puller can be increased.
When the pin puller is used for pulling out the pin, a gasket can be placed between the top plate 1 and the nut 4 of the pin puller at the moment when the piston rod of the jacking piece 5 moves to the maximum stroke, so that the pin puller can successfully pull out the pin.
In the above-mentioned case, the spacer is provided between the top plate 1 and the nut 4 of the pin puller, which has the function of supporting the nut 4, and the distance between the top plate 1 and the nut 4 can be increased, so that the pin puller can increase the stroke of the piston rod of the jack 5 when pulling out the pin, and the pin puller can smoothly pull out the pin, and further, the spacer can only increase the stroke of the piston rod of the jack 5.
The specific number of the gaskets is not limited, and in actual life, the total stroke of the piston rod of the jacking piece 5 after the gaskets are added is larger than the pulling-out length of the pin, so that the pin can be successfully pulled out.
Further, the gasket is specifically a wood plate or an iron sheet, and a plurality of through holes with different apertures are formed in the gasket to be matched with different long screws 3.
It will be appreciated that the material of the spacer is not limited and may be a wood or iron plate, or other materials.
It should be noted that, the spacer needs to be provided with a plurality of through holes with different apertures to be matched with the long screw rods 3 with different section sizes, wherein the long screw rods 3 need to be selected to be matched according to the sizes of the bolt screw holes of the bolts, so that the long screw rods 3 with various section sizes need to be provided to meet the sizes of the bolt screw holes of the bolts, and the long screw rods 3 can be smoothly connected with the bolt screw holes of the bolts.
Therefore, the gasket is required to be provided with a plurality of through holes with different apertures so as to adapt to the long screw rods 3 with different section sizes, so that the long screw rods 3 with various section sizes can be smoothly inserted into the long screw rod holes 11 of the top plate 1.
When the pin puller pulls out the pin, when the piston rod of the jacking piece 5 moves to the maximum stroke and can not pull out the pin, a gasket is needed to increase the stroke, the gasket is added between the top plate 1 and the nut 4 of the pin puller, and the gasket is provided with a plurality of through holes with different apertures, so that the long screw rods 3 with various section sizes can be smoothly inserted into the through holes on the gasket.
Further, the long screw 3 is sequentially inserted into the long screw hole 11 of the top plate 1 and the through hole of the gasket, and the long screw 3 and the gasket are fixed on the top plate 1 through the nut 4, so that the total stroke of the piston rod of the jacking piece 5 can be increased, and the pin puller can smoothly pull out the pin.
In the above embodiment, the connecting groove 2 is provided with the screw hole 21 penetrating the connecting groove 2.
The screw hole 21 is provided in the connection groove 2 so as to fix the jack 5, specifically, the rod pin of the jack 5 extends into the connection groove 2, and the bolt screw passes through the screw hole 21 to connect the rod pin of the jack 5 with the connection groove 2.
When the pin puller pulls out the pin, the bolt and the screw rod can connect the rod pin of the jacking piece 5 with the connecting groove 2, so that the position of the top plate 1 relative to the jacking piece 5 is relatively stable, the shaking of the top plate 1 in the pin pulling process is avoided, the pin pulling process is influenced, and the smooth pin pulling process is further ensured. The pin puller is simple in structure, convenient to install and detach, high in pulling force and capable of detaching a large pin shaft with large pretightening force.
Further, the connecting groove 2 is welded and fixed with the top plate 1.
In the above-mentioned case, the connecting groove 2 is welded with the top plate 1, and the welding is an environmental protection process, and has the advantages of high speed, high benefit and cost saving, and the function of welding the connecting groove 2 with the top plate 1 is to connect two jacking members 5 on the top plate 1 through the connecting groove 2, and fix the jacking members 5 through bolts and screws, so that the two jacking members 5 work in one direction at the same time when pulling out pins.
The connecting groove 2 is made of metal, and has the advantages of high hardness, high strength and difficult deformation, and has the advantages of good processing manufacturability, low cost and easy manufacturing.
In the above embodiment, the lifting member 5 is a hydraulic jack.
It can be understood that the power source of pulling out the round pin is hydraulic jack, and hydraulic jack provides power and can pull out the very big round pin of pretightning force, and wherein, hydraulic control system is simpler, need not receive other equipment, and hydraulic jack simple to operate moreover, and the operation is also very convenient, and the both hands start power source can accurate control, can also lighten staff intensity of labour greatly, increases the security of field operation.
The specific structure of the jacking member 5 is not limited, and other structures may be provided as long as the above-mentioned situation can be satisfied.
On the basis of the above embodiment, the cross-sectional shape of the top plate 1 is rectangular.
The cross-sectional shape of the top plate 1 is not limited, and may be another shape.
As a preferred embodiment, the top plate 1 is made of metal.
It can be appreciated that the top plate 1 is also made of metal, and can be well welded and formed with the connecting groove 2, and the metal has the advantages of high hardness, high strength, difficult deformation, good processing manufacturability, low cost and easy manufacturing.
In summary, the pin puller for the mining mechanical equipment provided by the utility model comprises a top plate 1, a connecting groove 2, a long screw rod 3 and a jacking piece 5, wherein the top plate 1 is provided with a long screw rod hole 11 which penetrates through, the long screw rod 3 penetrates through the long screw rod hole 11 to be fixedly connected with the top plate 1 through a nut 4, threads 31 of the long screw rod 3 are matched with pin screw holes, and the jacking piece 5 is connected with the connecting groove 2 which is symmetrically arranged at two ends of the top plate 1.
Specifically, when the pin is required to be pulled out, the matched long screw rod 3 is selected according to the size of the screw hole of the pin, the long screw rod 3 is inserted into the long screw rod hole 11 of the top plate 1 and fixedly connected with the top plate 1 through the nut 4, then the jacking piece 5 is connected with the connecting groove 2 through the bolt and the screw rod, and finally the jacking pieces 5 on the two sides are pressed by hands, so that the two jacking pieces 5 work in one direction at the same time, and further, the pin shaft with large pretightening force can be pulled out.
Further, when the pin is pulled out, the piston rod of the jacking piece 5 moves to the maximum stroke but can not pull out the pin, at this time, a gasket can be placed between the top plate 1 and the nut 4 of the pin puller, so as to increase the stroke of the piston rod of the jacking piece 5, the total stroke of the piston rod of the jacking piece 5 after the gasket is increased is greater than the pull-out length of the pin, and at this time, the pin can be pulled out smoothly.
The pin puller of the mining mechanical equipment is simple in structure, convenient to install, high in pulling force and capable of removing the large pin shaft.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (8)
1. A pin puller for a mining machine, comprising:
a top plate (1) provided with a long screw hole (11) penetrating through the top plate (1);
the connecting grooves (2) are symmetrically arranged at two end parts of the top plate (1);
the long screw rod (3), the long screw rod (3) passes through the long screw rod hole (11) and is connected with the top plate (1), a nut (4) for fixing the long screw rod (3) is arranged at the end part of the long screw rod (3) connected with the top plate (1), and a thread (31) matched with a pin screw hole is arranged at the end part of the long screw rod (3) far away from the top plate (1);
and the jacking pieces (5) are arranged at two ends of the top plate (1) and are connected with the connecting grooves (2).
2. The mining machine pin puller according to claim 1, characterized in that a number of shims are arranged between the nut (4) and the top plate (1).
3. The pin puller of the mining machinery equipment according to claim 2, characterized in that the gasket is specifically a wood plate or an iron sheet, and a plurality of through holes with different apertures are arranged on the gasket so as to be matched with the long screw rods (3) with different diameters.
4. The pin puller of the mining machinery equipment according to claim 1, characterized in that a screw hole (21) penetrating the connecting groove (2) is arranged on the connecting groove (2).
5. The mining machine pin puller according to claim 4, characterized in that the connecting groove (2) is welded to the top plate (1).
6. The mining machine pin puller according to claim 1, characterized in that the lifting member (5) is a hydraulic jack.
7. The mining machine pin puller according to claim 1, characterized in that the cross-sectional shape of the top plate (1) is rectangular.
8. The mining machine pin puller according to claim 7, characterized in that the top plate (1) is made of a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941339.2U CN220179224U (en) | 2023-07-24 | 2023-07-24 | Pin puller for pin of mining machinery equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941339.2U CN220179224U (en) | 2023-07-24 | 2023-07-24 | Pin puller for pin of mining machinery equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220179224U true CN220179224U (en) | 2023-12-15 |
Family
ID=89113683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321941339.2U Active CN220179224U (en) | 2023-07-24 | 2023-07-24 | Pin puller for pin of mining machinery equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220179224U (en) |
-
2023
- 2023-07-24 CN CN202321941339.2U patent/CN220179224U/en active Active
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