CN212496360U - Device for disassembling abrasion pin shaft of coal mining machine - Google Patents
Device for disassembling abrasion pin shaft of coal mining machine Download PDFInfo
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- CN212496360U CN212496360U CN202021236826.5U CN202021236826U CN212496360U CN 212496360 U CN212496360 U CN 212496360U CN 202021236826 U CN202021236826 U CN 202021236826U CN 212496360 U CN212496360 U CN 212496360U
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Abstract
The utility model discloses a device for dismantling coal-winning machine wearing and tearing round pin axle, include: the device comprises a fixed plate, two supporting plates, a force-bearing rod and a bearing rod, wherein the fixed plate is horizontally arranged and provided with a through hole, the hydraulic nut is positioned on the upper side of the fixed plate, the upper end of the force-bearing rod penetrates through the through hole and is in threaded connection with the hydraulic nut, the lower end of the force-bearing rod is in threaded connection with a pin shaft of a coal mining machine, the two supporting plates are arranged in parallel, positioned on the lower side of the fixed plate and on two sides of the force-bearing rod and are vertically arranged with the fixed plate, the upper ends of the two supporting plates; the hydraulic nut is used for pulling the stress rod upwards to enable the stress rod to pull a shaft pin of the coal mining machine, and further enable the shaft pin to be separated from the coal mining machine; the utility model discloses have small, nimble, the quality is light, easily operation, operating pressure are big, dismantlement coal-winning machine that can relax, the entry driving machine digs the round pin axle of coal machine fuselage, has practiced thrift operating time, has improved work efficiency.
Description
Technical Field
The utility model belongs to the coal mine production field especially relates to a device for dismantling coal-winning machine wearing and tearing round pin axle.
Background
Along with the continuous improvement of the mechanized degree of fully-mechanized mining and fully-mechanized excavating of coal mines, the number of coal mining machines, tunneling machines and coal excavating machines is continuously increased, the installation and the removal of fully-mechanized mining faces are more and more frequent, the main connection modes of the coal mining machines, the tunneling machines and the coal excavating machines are all connected by pin shafts, for example, the number of the coal mining machines is 8, the size of the tunneling machines is 18, the pin shafts are worn in different degrees when one working face works, the dismounting is very difficult, and the time of several days is usually needed, the time is consumed, and a large amount of labor force needs to be invested.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a device for dismantling coal-winning machine wearing and tearing round pin axle to solve the difficult problem of dismantling of coal-winning machine wearing and tearing round pin axle.
The utility model adopts the following technical scheme: a device for removing a wear pin of a coal mining machine, comprising:
a fixing plate horizontally arranged and provided with a through hole,
a hydraulic nut which is positioned at the upper side of the fixed plate,
the upper end of the stress rod passes through the through hole and is in threaded connection with the hydraulic nut, the lower end of the stress rod is in threaded connection with the pin shaft of the coal mining machine,
the two supporting plates are arranged in parallel, are positioned at the lower side of the fixed plate and at two sides of the stress rod, are perpendicular to the fixed plate, are fixedly connected with two sides of the fixed plate respectively at the upper ends thereof, are propped against the body on the periphery of the pin shaft of the coal mining machine at the lower ends thereof, and are shorter than the stress rod;
the hydraulic nut is used for pulling the stress rod upwards, so that the stress rod pulls the shaft pin of the coal mining machine, and the shaft pin is separated from the coal mining machine.
Furthermore, a guide rod is vertically and upwards installed on the fixing plate and at a position close to the hydraulic nut, a plurality of base plates are vertically stacked on the fixing plate and at a position close to the hydraulic nut, guide holes are horizontally formed in the plurality of base plates, the guide rod is sleeved in the guide holes of the plurality of base plates, and the plurality of base plates are all used for horizontally sliding to the lower side of the hydraulic nut along the guide holes after the hydraulic nut moves upwards and are padded between the hydraulic nut and the fixing plate; each backing plate is rectangular, the thickness of each backing plate is equal to the stroke of the hydraulic nut, and the length of the long edge of each backing plate is more than or equal to 2 times of the diameter of the hydraulic nut.
Furthermore, the lower part of the stress rod is also provided with a horizontal baffle plate, the stress rod penetrates through the baffle plate and is fixedly connected with the baffle plate, and the baffle plate is used for preventing the stress rod from being separated from an area defined by the fixed plate and the two supporting plates.
Furthermore, the lower ends of the two supporting plates are fixedly connected with positioning plates respectively, the two positioning plates are located outside a region defined by the two supporting plates and the fixing plate, the two positioning plates are arranged perpendicular to the corresponding supporting plates respectively, threaded holes are vertically formed in the two positioning plates, and the two threaded holes are used for enabling bolts to penetrate through the body on the periphery of the pin shaft of the coal mining machine from top to bottom and abut against the body on the periphery of the pin shaft of the coal mining machine, so that the device is fixed on the.
Further, the hydraulic nut is connected with the hydraulic pump through a hydraulic pipe.
The utility model has the advantages that: the utility model discloses have small, nimble, the quality is light, easily operation, operating pressure are big, dismantlement coal-winning machine that can relax, the entry driving machine digs the round pin axle of coal machine fuselage, has practiced thrift operating time, has improved work efficiency.
Drawings
Fig. 1 is a side view of the present invention;
fig. 2 is a top view of the present invention.
Wherein: 1. a fixing plate; 2. a through hole; 3. a hydraulic nut; 4. a stress beam; 5. a support plate; 6. a hydraulic pump; 7. a hydraulic tube; 8. a baffle plate; 9. positioning a plate; 10. a guide bar; 11. a base plate; 12. and (4) a guide hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a device for dismantling abrasion pin shaft of coal mining machine, as shown in figure 1, comprising a fixed plate 1, a hydraulic nut 3 and a stress rod 4, wherein the fixed plate 1 is horizontally arranged, a through hole 2 is arranged on the fixed plate, the hydraulic nut 3 is arranged on the upper side of the fixed plate 1, the upper end of the stress rod 4 passes through the through hole 2 and is in threaded connection with the hydraulic nut 3, the lower end of the stress rod 4 is in threaded connection with the pin shaft of the coal mining machine, the device also comprises two supporting plates 5, the two supporting plates 5 are arranged in parallel with each other, are arranged on the lower side of the fixed plate 1 and on both sides of the stress rod 4, the two supporting plates 5 are arranged perpendicular to the fixed plate 1, the upper ends of the two supporting plates 5 are respectively and fixedly connected with both sides of the fixed plate 1, the lower ends of the two supporting plates 5 are supported on a body on the periphery of, thereby disengaging the axle pin from the shearer.
The height of two backup pads 5 is less than the length of stress beam 4, and the length of stress beam 4 will be greater than the height of backup pad 5 promptly, just so can make backup pad 5 support on the coal-winning machine body, and stress beam 4 stretches into the round pin axle department of coal-winning machine wearing and tearing to with round pin axle threaded connection, make hydraulic nut 3 can stimulate stress beam 4, make stress beam 4 upwards move, and then the pivot of pulling coal-winning machine, and then make the pivot break away from the coal-winning machine.
Since the hydraulic nut 3 needs hydraulic pressure to perform its function, the hydraulic nut 3 is connected to the hydraulic pump 6 through the hydraulic pipe 7. The hydraulic nut 3 is selected without any requirement, so long as the pin shaft of the coal mining machine can be pulled out, and the hydraulic nut can be connected with the upper end of the stress rod 4 in a threaded manner and matched with the upper end of the stress rod.
The utility model discloses under the condition of not using, roll-off in 2 of through-hole of fixed plate 1 can be followed to atress pole 4, consequently still is provided with horizontally baffle 8 in the lower part of atress pole 4, and atress pole 4 passes baffle 8 and 3 threaded connection of hydraulic nut, and baffle 8 is used for blockking that atress pole 4 breaks away from the region that fixed plate 1 and two backup pads 5 enclose, avoids atress pole 4 and fixed plate 1 to break away from for atress pole 4 drops, influences the utility model discloses an integrality causes when using next time, can not find atress pole 4, influences work efficiency.
The upper ends of the two supporting plates 5 are fixedly connected with the two sides of the fixing plate 1, the lower ends of the two supporting plates 5 are fixedly connected with the positioning plates 9 respectively, the two positioning plates 9 are located outside a region enclosed by the two supporting plates 5 and the fixing plate 1, the two positioning plates 9 are arranged perpendicular to the corresponding supporting plates 5 respectively, threaded holes are vertically formed in the two positioning plates 9, the two threaded holes are used for enabling bolts to penetrate through the body, which is arranged on the periphery of a pin shaft of a coal mining machine, from top to bottom and abut against the body, and the device is fixed to. Because the fixed plate 1 is used for providing a support for the hydraulic nut 3, the hydraulic nut 3 can pull the stress rod 4, the stress rod 4 moves upwards, the shaft pin of the coal mining machine is further pulled, the shaft pin is further separated from the coal mining machine, the whole device needs to be fixed on the coal mining machine body, and therefore the bolt is fixed on the coal mining machine body through the threaded hole and supported on the coal mining machine body through the threaded hole.
As shown in fig. 2, a guide rod 10 is vertically and upwardly installed on the fixing plate 1 at a position close to the hydraulic nut 3, a plurality of base plates 11 are vertically stacked on the fixing plate 1 at a position close to the hydraulic nut 3, guide holes 12 are horizontally formed in the plurality of base plates 11, the guide rod 10 is sleeved in the guide holes 12 of the plurality of base plates 11, and the plurality of base plates 11 are all used for horizontally sliding to the lower side of the hydraulic nut 3 along the guide holes 12 after the hydraulic nut 3 moves upwardly and are cushioned between the hydraulic nut 3 and the fixing plate 1; each tie plate 11 is rectangular, the thickness of each tie plate is equal to the stroke of the hydraulic nut 3, and the length of the long side of each tie plate 11 is more than or equal to 2 times of the diameter of the hydraulic nut 3.
In order to make hydraulic nut 3 not adjust at a time, make hydraulic nut 3 touch with fixed plate 1, and then stimulate stress bar 4 once more, can make hydraulic nut 3 after the upward movement through setting up backing plate 11, directly place backing plate 11 at hydraulic nut 3 downside, directly reset hydraulic nut 3, stimulate once more can, in the in-process of placing backing plate 11, firstly be located the downside backing plate 11 and promote to hydraulic nut 3 downside along guiding hole 12, treat that hydraulic nut 3 accomplishes a stroke once more, after the upward movement promptly, again with backing plate 11 on the downside backing plate 11 to the propelling movement of hydraulic nut 3 downside, promote backing plate 11 to the hydraulic nut 3 downside from bottom to top in proper order, until hydraulic nut 3 accomplishes the round pin axle of drawing out the coal-winning machine.
When changing the pin roll of the walking part of the coal mining machine underground, if adopting the ordinary shaft pulling method such as the traveling hammer, the small traveling hammer has the problem of immovable pulling, the large traveling hammer is heavier, the operation accuracy can not be ensured, the required space is large, and a large amount of physical labor is needed, the time consumption is long, the dismounting of the abrasion pin roll of the coal mining machine can be completed only by 3 persons in one shift for 8 hours, the utility model discloses only need 2 hours at most, can save 6 hours, at least 400 to 500 tons of coal are produced in 6 hours, the walking part of the coal mining machine belongs to the wearing parts, under the condition of normal use, the guide sliding shoes need to be replaced once in 4 months, two guide sliding shoes on one coal mining machine are replaced 3 times a year, 3 x 500 is 1500 tons of coal, this is only 1 coal mining machine, in addition the utility model discloses the equipment such as other heading machines can also be dismounted, the use, the footage amount is increased, and the coal mining economic benefit is very optimistic.
The utility model provides a hydraulic pump 6 belongs to the power source of hydraulic nut 3, can supply with hydraulic nut 350 to 60 mPA's pressure, and hydraulic nut 3 gives stress rod 4 to hydraulic pump 6's pressure transmission, and the round pin axle for the coal-winning machine is given to rethread stress rod 4 transmission, can choose phi 24 according to the size of round pin axle for use, phi 30, and the length of general stress rod 4 is less than 50cm, and backup pad 5 and fixed plate 1 choose for use 20mm steel sheet preparation.
Claims (5)
1. The utility model provides a device for dismantling coal-winning machine wearing and tearing round pin axle which characterized in that includes:
a fixing plate (1) which is horizontally arranged and is provided with a through hole (2),
a hydraulic nut (3) located on the upper side of the fixing plate (1),
the upper end of the stress rod (4) passes through the through hole (2) and is in threaded connection with the hydraulic nut (3), the lower end of the stress rod is in threaded connection with a pin shaft of a coal mining machine,
the two supporting plates (5) are arranged in parallel, are positioned on the lower side of the fixed plate (1) and on two sides of the stress rod (4), and are arranged perpendicular to the fixed plate (1), the upper ends of the two supporting plates are fixedly connected with two sides of the fixed plate (1) respectively, the lower ends of the two supporting plates are abutted against the body on the periphery of a pin shaft of the coal mining machine, and the height of the two supporting plates (5) is smaller than the length of the stress rod (4);
the hydraulic nut (3) is used for pulling the stress rod (4) upwards, so that the stress rod (4) pulls a shaft pin of the coal mining machine, and the shaft pin is separated from the coal mining machine.
2. The device for disassembling the abrasion pin shaft of the coal mining machine according to claim 1, characterized in that a guide rod (10) is vertically and upwardly installed at a position, close to the hydraulic nut (3), on the fixing plate (1), a plurality of backing plates (11) are vertically stacked at positions, close to the hydraulic nut (3), on the fixing plate (1), guide holes (12) are horizontally formed in the plurality of backing plates (11), the guide rod (10) is sleeved in the guide holes (12) of the plurality of backing plates (11), and the plurality of backing plates (11) are all used for horizontally sliding to the lower side of the hydraulic nut (3) along the guide holes (12) after the hydraulic nut (3) moves upwardly and are cushioned between the hydraulic nut (3) and the fixing plate (1); each backing plate (11) is rectangle, and its thickness all equals the stroke of hydraulic nut (3), every the length on the long limit of backing plate (11) all is more than or equal to 2 times of hydraulic nut (3) diameter.
3. The device for disassembling the wear pin shaft of the coal mining machine according to claim 2, characterized in that a horizontal baffle (8) is further arranged at the lower part of the stress rod (4), the stress rod (4) penetrates through the baffle (8) and is fixedly connected with the baffle, and the baffle (8) is used for preventing the stress rod (4) from being separated from the area enclosed by the fixed plate (1) and the two supporting plates (5).
4. The device for disassembling the abrasion pin shaft of the coal mining machine according to any one of claims 1 to 3, characterized in that the lower ends of the two support plates (5) are fixedly connected with positioning plates (9) respectively, the two positioning plates (9) are both located outside an area enclosed by the two support plates (5) and the fixing plate (1), the two positioning plates (9) are perpendicular to the corresponding support plates (5) respectively, threaded holes are vertically formed in the two positioning plates (9), and the two threaded holes are used for bolts to penetrate through from top to bottom and abut against a body on the periphery of the pin shaft of the coal mining machine to fix the device on the body of the coal mining machine.
5. Device for dismounting a shearer loader wear pin according to claim 4, characterized in that the hydraulic nut (3) is connected with the hydraulic pump (6) by means of a hydraulic pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021236826.5U CN212496360U (en) | 2020-06-30 | 2020-06-30 | Device for disassembling abrasion pin shaft of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021236826.5U CN212496360U (en) | 2020-06-30 | 2020-06-30 | Device for disassembling abrasion pin shaft of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212496360U true CN212496360U (en) | 2021-02-09 |
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ID=74432188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021236826.5U Active CN212496360U (en) | 2020-06-30 | 2020-06-30 | Device for disassembling abrasion pin shaft of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212496360U (en) |
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2020
- 2020-06-30 CN CN202021236826.5U patent/CN212496360U/en active Active
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