CN114260860B - Quick pin shaft dismounting and mounting mechanism of movable hydraulic support for mine - Google Patents
Quick pin shaft dismounting and mounting mechanism of movable hydraulic support for mine Download PDFInfo
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- CN114260860B CN114260860B CN202210202719.8A CN202210202719A CN114260860B CN 114260860 B CN114260860 B CN 114260860B CN 202210202719 A CN202210202719 A CN 202210202719A CN 114260860 B CN114260860 B CN 114260860B
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Abstract
The invention relates to the technical field of pin shaft dismounting and mounting, and discloses a quick pin shaft dismounting and mounting mechanism of a mining movable hydraulic support. Carry on spacingly to equipment under the combined action through relying on gag lever post and kelly, prevent that the shell from rotating, rotate the turn round simultaneously to make the turn round to drive the worm and rotate together, drive coupling mechanism and rotate together, because of the inside joint piece joint of coupling mechanism is at selling epaxially, thereby drive the round pin axle and rotate upward together, and then pass the hole site between the gimbal mechanism, thereby reach the effect that makes things convenient for quick to carry out the dismouting to the round pin axle.
Description
Technical Field
The invention relates to the technical field of pin shaft dismounting, in particular to a fast pin shaft dismounting mechanism of a mining movable hydraulic support.
Background
Along with the rapid development of modern machinery, modern people can be more efficient and safer when working, wherein the mining movable hydraulic support is one of the hydraulic supports, the equipment can be used for rapidly and conveniently supporting the interior of a mine, and compared with the former manual assembly support, the equipment is safer and more reliable.
But the round pin axle of support is generally through strikeing round pin axle one end when the dismouting, thereby in two mechanisms are gone into with the round pin axle top, this kind of mode causes the injury to round pin axle one end easily, if the power is too big, along with vibrations, the crack appears easily in round pin axle inside, simultaneously when installing the round pin axle, when internal lubrication, generally all be who squeezes the butter into the passageway, along with the round pin axle is ejecting, one of these is that the butter need use excessively, thereby cause the waste of butter, simultaneously when lubricating not even.
Therefore, the demand on high-reliability products is urgent, and the quick pin shaft dismounting and mounting mechanism of the mining movable hydraulic support has the advantages that the pin shaft can be conveniently and quickly dismounted, and meanwhile, when the pin shaft is mounted, butter is uniformly coated, and the friction force between the pin shaft and a hole is reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a quick pin shaft dismounting mechanism of a mining movable hydraulic support, which has the advantages of conveniently and quickly dismounting a pin shaft, uniformly coating butter when mounting the pin shaft, reducing the friction force between the pin shaft and a hole, and solving the problem that cracks are easily generated in the pin shaft along with vibration and are not uniform when lubricating.
(II) technical scheme
In order to realize the purposes of conveniently and quickly disassembling the pin shaft, uniformly coating butter and reducing the friction force between the pin shaft and the hole when the pin shaft is installed, the invention provides the following technical scheme: the utility model provides a round pin axle quick assembly disassembly mechanism of mining portable hydraulic support, includes the shell, shell upper end swing joint has the turn round, turn round bottom fixedly connected with worm, the worm surface just is located the inside threaded sleeve that has seted up of shell, worm bottom fixedly connected with coupling mechanism, worm surface swing joint has adjustment mechanism, adjustment mechanism upper end swing joint has the mechanism of producing oil, one side swing joint that the worm was kept away from to the shell has the kelly, kelly bottom fixedly connected with gag lever post.
Furthermore, the connecting mechanism comprises a fixed rod inside, the bottom of the fixed rod is movably connected with a lever, the bottom of the lever is fixedly provided with a clamping block, the top of the lever is movably connected with a moving block, and the bottom of the moving block is fixedly connected with a compression spring.
Further, the inside lantern ring that is included of adjustment mechanism, lantern ring top fixedly connected with direction pinion rack, the inside fixedly connected with adjusting spring of lantern ring, adjusting spring other end fixedly connected with bracing piece, bracing piece top fixedly connected with passageway, one side swing joint that adjusting spring was kept away from to the bracing piece has the spin, one side fixedly connected with outer ring piece that adjusting spring was kept away from to the bracing piece.
Further, it is inside including the gear to go out oily mechanism, gear front end swing joint has T shape pole, the equal fixedly connected with pressure piece in both ends about the T shape pole, one side fixedly connected with reset spring that the pressure piece is close to the gear, one side swing joint that the gear was kept away from to the lantern ring has the butter bag, butter bag upper end fixedly connected with pipeline.
Further, the swivel is located the guide toothed plate upper end, the passageway is located the guide toothed plate inside, the pipeline is inside to be linked together with the passageway inside.
Furthermore, the rolling balls are spherical, the number of the rolling balls is two, the two rolling balls are respectively positioned at the left end and the right end of the lantern ring, and the outer ring block is in a semi-arc shape.
Furthermore, the inside of the supporting rod is provided with a hole, and the bottom of the channel is communicated with the inside of the supporting rod.
Furthermore, the number of the fixed rods is two, the fixed rods are symmetrical left and right about the center line of the moving block, and the clamping blocks are fixedly connected to the inner sides of the clamping blocks.
Further, one side fixed connection and the guide block that the kelly is close to the shell, the guide block is located inside the shell, the cavity has been seted up to the shell inside, it is located inside the cavity to go out oily mechanism, the gear is connected with the passageway meshing, two passageways are located between two gear inner structure, worm bottom and dead lever upper end fixed connection, the lantern ring is located the surface of worm, lantern ring outside diameter is less than worm bottom diameter.
(III) advantageous effects
Compared with the prior art, the invention provides a quick pin shaft dismounting mechanism for a mining movable hydraulic support, which has the following beneficial effects: 1. this mining portable hydraulic support's round pin axle fast dismounting mechanism, when opening through the joint piece, carry out the joint to the porose one end of round pin axle, extend the kelly to one side of keeping away from the shell this moment, it is spacing to equipment under the combined action of gag lever post and kelly to rely on simultaneously, prevent that the shell from rotating, rotate the turn simultaneously, thereby make the turn round to drive the worm and rotate together, drive coupling mechanism and rotate together, because of the inside joint piece joint of coupling mechanism is selling epaxial, thereby it upwards to drive the round pin axle and rotate together, and then pass the hole site between the gimbal mechanism, thereby reach the effect that makes things convenient for quick to carry out the dismouting to the round pin axle.
2. This mining portable hydraulic support's round pin axle quick assembly disassembly mechanism, when moving to being close to butter sack one side through T shape pole, it also moves to being close to butter sack one side to drive the pressure piece, thereby there is an extrusion force to the butter sack, make the inside atress of butter sack compress, thereby inside butter is extruded, thereby inside the passageway is removed along the pipeline, along with the transmission of passageway, thereby it is inside to get into the bracing piece, and then extrude from the spin outside, inside because of outer loop block gimbal mechanism hole site, thereby inside the hole site is paintd to the butter along outer loop block, simultaneously along with during coupling mechanism upwards moves gradually, thereby make outer loop block not to the inside butter of painting of hole site, thereby reach when installing the round pin axle, evenly paint the butter, reduce the effect of the frictional force between round pin axle and the hole.
Drawings
FIG. 1 is a three-dimensional view of the housing structure of the present invention;
FIG. 2 is a perspective view of a latch lever structure of the present invention;
FIG. 3 is a partial schematic view of the gear structure of the present invention;
FIG. 4 is a perspective view of the worm structure of the present invention;
FIG. 5 is a partial schematic view of a swivel structure according to the present invention;
FIG. 6 is a partial view of a retaining bar according to the present invention;
fig. 7 is a perspective part view of a guide toothed plate structure of the invention;
FIG. 8 is a partial schematic view of a collar construction of the present invention;
FIG. 9 is a diagram of the motion trajectory of the clamping block structure of the present invention;
FIG. 10 is a diagram of the movement trace of the worm structure of the present invention;
FIG. 11 is a schematic view of the movement of the T-bar and gear structure of the present invention.
In the figure: 1. a housing; 2. turning the head; 3. a worm; 4. a threaded sleeve; 5. a fixing rod; 6. a lever; 7. a clamping block; 8. a moving block; 9. a compression spring; 10. a collar; 11. adjusting the spring; 12. a support bar; 13. a guide toothed plate; 14. a channel; 15. a ball; 16. an outer ring block; 17. a gear; 18. a T-shaped rod; 19. a pressure block; 20. a return spring; 21. huang Younang; 22. a pipeline; 23. a clamping rod; 24. a limiting rod; 25. a connecting mechanism; 26. an adjustment mechanism; 27. an oil outlet mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The first embodiment is as follows: please refer to fig. 1, fig. 2, fig. 4 and fig. 6, a fast pin shaft dismounting mechanism for a mining movable hydraulic support, which includes a housing 1, the upper end of the housing 1 is movably connected with a swivel 2, the swivel 2 is located at the upper end of a guide toothed plate 13, a channel 14 is located inside the guide toothed plate 13, the inside of a pipeline 22 is communicated with the inside of the channel 14, the bottom of the swivel 2 is fixedly connected with a worm 3, the outer surface of the worm 3 is located inside the housing 1, and is provided with a threaded sleeve 4, the bottom of the worm 3 is fixedly connected with a connecting mechanism 25, the outer surface of the worm 3 is movably connected with an adjusting mechanism 26, the upper end of the adjusting mechanism 26 is movably connected with an oil outlet mechanism 27, one side of the housing 1, which is far away from the worm 3, is movably connected with a clamping rod 23, and the bottom of the clamping rod 23 is fixedly connected with a limiting rod 24.
Referring to fig. 6, further, the connecting mechanism 25 includes two fixing rods 5 inside, the two fixing rods 5 are bilaterally symmetric with respect to the center line of the moving block 8, the inner side of the clamping block 7 is fixedly connected with a clamping block, the bottom of the fixing rod 5 is movably connected with the lever 6, the clamping block 7 is fixed at the bottom of the lever 6, the top of the lever 6 is movably connected with the moving block 8, and the bottom of the moving block 8 is fixedly connected with the compression spring 9.
When the work begins, with two support mechanism connecting holes one-to-one, thereby adjust the length of worm 3 through rotating turn round 2, pass through the hole site with equipment coupling mechanism 25 one end again, simultaneously aim at the hole site with the round pin axle, part two joint pieces 7 this moment, thereby lever 6 rotates around the lower extreme of dead lever 5, simultaneously lever 6 is when rotating, lever 6 upper end slides inside movable block 8, thereby movable block 8 moves down, and then there is an extrusion force to compression spring 9, make the compression spring 9 inside atress compress, thereby inside gathering elastic potential energy, prepare for the restoration of movable block 8, simultaneously when joint piece 7 is opened, carry out the joint to the porose one end of round pin axle, extend jamming bar 23 to the one side of keeping away from shell 1 this moment, rely on the combined action of gag lever post 24 and jamming bar 23 to carry out spacingly to equipment simultaneously, prevent that shell 1 from rotating, simultaneously rotate turn round 2, thereby make turn round 2 drive worm 3 and rotate together, drive coupling mechanism 25 rotates together, because of coupling mechanism's inside joint piece 7 joint is on the round pin axle, thereby drive the hole site and rotate together, and then reach the round pin axle's of convenient dismouting effect of going on.
Example two: referring to fig. 1, 2, 3 and 7, the quick pin shaft dismounting mechanism for the mining movable hydraulic support comprises a housing 1, a swivel 2 is movably connected to the upper end of the housing 1, a worm 3 is fixedly connected to the bottom of the swivel 2, a threaded sleeve 4 is arranged on the outer surface of the worm 3 and located inside the housing 1, a connecting mechanism 25 is fixedly connected to the bottom of the worm 3, an adjusting mechanism 26 is movably connected to the outer surface of the worm 3, an oil outlet mechanism 27 is movably connected to the upper end of the adjusting mechanism 26, a clamping rod 23 is movably connected to one side, away from the worm 3, of the housing 1, and a limiting rod 24 is fixedly connected to the bottom of the clamping rod 23.
Referring to fig. 8, further, the adjusting mechanism 26 includes a sleeve ring 10, a guide toothed plate 13 is fixedly connected to the top of the sleeve ring 10, an adjusting spring 11 is fixedly connected to the inside of the sleeve ring 10, a supporting rod 12 is fixedly connected to the other end of the adjusting spring 11, a channel 14 is fixedly connected to the top of the supporting rod 12, a rolling ball 15 is movably connected to one side of the supporting rod 12 away from the adjusting spring 11, and an outer ring block 16 is fixedly connected to one side of the supporting rod 12 away from the adjusting spring 11.
Referring to fig. 3, further, the oil outlet mechanism 27 includes a gear 17, the front end of the gear 17 is movably connected with a T-shaped rod 18, the front end of the gear 17 is fixedly connected with a projection, one end of the T-shaped rod close to the gear 17 is provided with a notch, the projection is located inside the notch, the upper end and the lower end of the T-shaped rod 18 are fixedly connected with a pressure block 19, one side of the pressure block 19 close to the gear 17 is fixedly connected with a return spring 20, one side of the lantern ring 10 far from the gear 17 is movably connected with a grease bag 21, and the upper end of the grease bag 21 is fixedly connected with a pipeline 22.
Further, the rolling balls 15 are spherical, the number of the rolling balls 15 is two, the two rolling balls are respectively arranged at the left end and the right end of the lantern ring 10, and the outer ring block 16 is in a semi-arc shape.
Furthermore, the inside of the support rod 12 is provided with a hole, and the bottom of the channel 14 is communicated with the inside of the support rod 12.
Meanwhile, because the lantern ring 10 is located on the outer surface of the worm 3, the middle holes of the two mechanisms are penetrated along with the worm 3, the lantern ring 10 is driven to penetrate through the middle holes together, the connection relation between the outer ring block 16 and the supporting rod 12 is caused, the outer ring block 16 is enabled to automatically adapt to the hole sites inside the two supports under the action of the elastic force of the adjusting spring 11, the connecting mechanism 25 moves upwards, the lantern ring 10 is driven to move upwards together, the guide toothed plate 13 drives the gear 17 to rotate when moving upwards, the T-shaped rod 18 reciprocates leftwards and rightwards along the rotating process of the gear 17, when the T-shaped rod 18 moves towards one side close to the butter bag 21, the pressure block 19 is driven to move towards one side close to the butter bag 21, the squeezing force is applied to the butter bag 21, the inner butter bag is stressed and compressed, the inner butter is squeezed out along the pipeline 22, the channel 14 moves into the channel 14, the channel 14 enters the supporting rod 12, the hole sites are squeezed out of the outer side of the rolling ball 15, the hole sites because the inner hole sites of the outer ring block 16 of the support, the outer ring block reaches the inner hole of the outer ring block, the inner butter is squeezed along the outer ring block, the inner butter smearing mechanism, the inner butter is not pushed out along the inner butter hole, the inner butter smearing force of the outer ring block, and the inner butter smearing mechanism, the butter hole is gradually reduced, and the butter smearing effect is not reduced when the butter smearing mechanism, and the butter smearing effect is gradually, and the butter smearing effect of the butter smearing mechanism is gradually, and the outer ring mechanism is not smeared butter smearing effect is gradually reduced when the butter breaking mechanism is gradually, and the butter smearing effect is not smeared butter breaking mechanism 16.
Example three: referring to fig. 1-8, a quick pin shaft dismounting mechanism for a mining movable hydraulic support comprises a housing 1, wherein the upper end of the housing 1 is movably connected with a rotary head 2, the rotary head 2 is positioned at the upper end of a guide toothed plate 13, a channel 14 is positioned inside the guide toothed plate 13, the inside of a pipeline 22 is communicated with the inside of the channel 14, the bottom of the rotary head 2 is fixedly connected with a worm 3, the outer surface of the worm 3 is positioned inside the housing 1 and is provided with a threaded sleeve 4, the bottom of the worm 3 is fixedly connected with a connecting mechanism 25, the outer surface of the worm 3 is movably connected with an adjusting mechanism 26, the upper end of the adjusting mechanism 26 is movably connected with an oil outlet mechanism 27, one side of the housing 1, which is far away from the worm 3, is movably connected with a clamping rod 23, and the bottom of the clamping rod 23 is fixedly connected with a limiting rod 24.
Referring to fig. 6, the connecting mechanism 25 includes two fixing rods 5 inside, the two fixing rods 5 are bilaterally symmetrical about the center line of the moving block 8, the clamping blocks are fixedly connected to the inner sides of the clamping blocks 7, the lever 6 is movably connected to the bottom of the fixing rod 5, the clamping blocks 7 are fixed to the bottom of the lever 6, the moving block 8 is movably connected to the top of the lever 6, and the compression spring 9 is fixedly connected to the bottom of the moving block 8.
Please refer to fig. 8, the inside lantern ring 10 that includes of adjustment mechanism 26, lantern ring 10 top fixedly connected with direction pinion rack 13, lantern ring 10 inside fixedly connected with adjusting spring 11, adjusting spring 11 other end fixedly connected with bracing piece 12, bracing piece 12 is inside to be seted up porosely, passageway 14 bottom is linked together with bracing piece 12 is inside, bracing piece 12 top fixedly connected with passageway 14, one side swing joint that adjusting spring 11 was kept away from to bracing piece 12 has spin 15, spin 15 is spherical, spin 15 has two, both ends about being located lantern ring 10 respectively, outer loop piece 16 is semi-circular arc, one side fixedly connected with outer loop piece 16 that adjusting spring 11 was kept away from to bracing piece 12.
Referring to fig. 3, the oil outlet mechanism 27 includes a gear 17 therein, a T-shaped rod 18 is movably connected to the front end of the gear 17, pressure blocks 19 are fixedly connected to both upper and lower ends of the T-shaped rod 18, a return spring 20 is fixedly connected to one side of the pressure block 19 close to the gear 17, a grease bag 21 is movably connected to one side of the collar 10 away from the gear 17, and a pipeline 22 is fixedly connected to the upper end of the grease bag 21.
Referring to fig. 2, one side of the clamping rod 23 close to the housing 1 is fixedly connected with a guide block, the guide block is located inside the housing 1, a cavity is formed inside the housing 1, the oil outlet mechanism 27 is located inside the cavity, the gears 17 are meshed with the channels 14, the two channels 14 are located between the internal structures of the two gears 17, the bottom of the worm 3 is fixedly connected with the upper end of the fixing rod 5, the lantern ring 10 is located on the outer surface of the worm 3, and the outer diameter of the lantern ring 10 is smaller than the diameter of the bottom of the worm 3.
The working principle is that when the work is started, the connecting holes of the two support mechanisms are in one-to-one correspondence, the length of the worm 3 is adjusted by rotating the rotary head 2, one end of the device connecting mechanism 25 passes through the hole site, the pin shaft is aligned to the hole site, the two clamping blocks 7 are separated at the moment, so that the lever 6 rotates around the lower end of the fixed rod 5, meanwhile, when the lever 6 rotates, the upper end of the lever 6 slides inside the moving block 8, so that the moving block 8 moves downwards, further, the compression spring 9 has extrusion force, the compression spring 9 is compressed by internal stress, elastic potential energy is gathered inside, preparation is made for resetting of the moving block 8, meanwhile, when the clamping blocks 7 are opened, one end with the hole of the pin shaft is clamped, at the moment, the clamping rod 23 extends towards one side far away from the shell 1, meanwhile, the device is limited under the combined action of the limiting rod 24 and the clamping rod 23, the shell 1 is prevented from rotating, the rotary head 2 rotates at the same time, so that the rotary head 2 drives the worm 3 to rotate together, the connecting mechanism 25 rotates together, and the pin shaft is driven to rotate together, and the pin shaft passes through the pin shaft, thereby facilitating the quick assembly and disassembly of the pin shaft.
Meanwhile, because the lantern ring 10 is located on the outer surface of the worm 3, the middle holes of the two mechanisms are penetrated along with the worm 3, the lantern ring 10 is driven to penetrate through the middle holes together, the connection relation between the outer ring block 16 and the supporting rod 12 is caused, the outer ring block 16 automatically adapts to the hole positions inside the two supports under the action of the elastic force of the adjusting spring 11, the connecting mechanism 25 moves upwards, the lantern ring 10 is driven to move upwards together, the guide toothed plate 13 drives the gear 17 to rotate when moving upwards, the T-shaped rod 18 reciprocates leftwards and rightwards along the rotating process of the gear 17, when the T-shaped rod 18 moves towards one side close to the butter bag 21, the pressure block 19 is driven to move towards one side close to the butter bag 21, the squeezing force is applied to the butter bag 21, the butter bag 21 is compressed by internal stress, the internal butter is squeezed out along the pipeline 22, the pipeline 14 moves inside the supporting rod 12, the hole positions are squeezed out from the outer side of the rolling ball 15, the inner support frame is compressed by external force, the internal butter block 16, the external ring block does not gradually reach the effect of smearing along the internal butter hole, and the internal butter hole position 16 is gradually, and the butter smearing mechanism does not gradually reduce the effect when the butter smearing when the butter end is gradually.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a round pin axle quick assembly disassembly mechanism of mining portable hydraulic support, includes shell (1), its characterized in that: the oil-discharging device is characterized in that the upper end of the shell (1) is movably connected with a rotating head (2), the bottom of the rotating head (2) is fixedly connected with a worm (3), a threaded sleeve (4) is arranged on the outer surface of the worm (3) and is positioned in the shell (1), the bottom of the worm (3) is fixedly connected with a connecting mechanism (25), the outer surface of the worm (3) is movably connected with an adjusting mechanism (26), the upper end of the adjusting mechanism (26) is movably connected with an oil outlet mechanism (27), one side, away from the worm (3), of the shell (1) is movably connected with a clamping rod (23), and the bottom of the clamping rod (23) is fixedly connected with a limiting rod (24);
the adjusting mechanism (26) comprises a lantern ring (10) inside, the top of the lantern ring (10) is fixedly connected with a guide toothed plate (13), an adjusting spring (11) is fixedly connected inside the lantern ring (10), the other end of the adjusting spring (11) is fixedly connected with a supporting rod (12), the top of the supporting rod (12) is fixedly connected with a channel (14), one side, away from the adjusting spring (11), of the supporting rod (12) is movably connected with a rolling ball (15), and one side, away from the adjusting spring (11), of the supporting rod (12) is fixedly connected with an outer ring block (16);
the oil outlet mechanism (27) comprises a gear (17), the front end of the gear (17) is movably connected with a T-shaped rod (18), the upper end and the lower end of the T-shaped rod (18) are fixedly connected with pressure blocks (19), one side, close to the gear (17), of each pressure block (19) is fixedly connected with a return spring (20), one side, far away from the gear (17), of the lantern ring (10) is movably connected with Huang Younang (21), and the upper end of the Huang Younang (21) is fixedly connected with a pipeline (22);
the rotary head (2) is positioned at the upper end of the guide toothed plate (13), the channel (14) is positioned inside the guide toothed plate (13), and the inside of the pipeline (22) is communicated with the inside of the channel (14);
the inside of the supporting rod (12) is provided with a hole, and the bottom of the channel (14) is communicated with the inside of the supporting rod (12);
the utility model discloses a worm gear, including shell (1), oil outlet mechanism (27), gear (17), dead lever (5) upper end fixed connection, lantern ring (10) are located the surface of worm (3), lantern ring (10) outside diameter is less than worm (3) bottom diameter, the cavity has been seted up to shell (1) inside, oil outlet mechanism (27) are located inside the cavity, gear (17) are connected with guide toothed plate (13) meshing.
2. The fast dismounting and mounting mechanism for the pin shaft of the mining movable hydraulic support according to claim 1, is characterized in that: the connecting mechanism (25) is internally provided with a fixing rod (5), the bottom of the fixing rod (5) is movably connected with a lever (6), the bottom of the lever (6) is fixedly provided with a clamping block (7), the top of the lever (6) is movably connected with a moving block (8), and the bottom of the moving block (8) is fixedly connected with a compression spring (9).
3. The rapid pin shaft dismounting and mounting mechanism for the mining movable hydraulic support according to claim 2, characterized in that: the two rolling balls (15) are spherical, the two rolling balls (15) are respectively positioned at the left end and the right end of the lantern ring (10), and the outer ring block (16) is in a semi-arc shape.
4. The rapid pin shaft dismounting and mounting mechanism for the mining movable hydraulic support according to claim 3, characterized in that: the number of the fixed rods (5) is two, the fixed rods are bilaterally symmetrical about the center line of the moving block (8), and the clamping blocks are fixedly connected to the inner sides of the clamping blocks (7).
5. The fast dismounting and mounting mechanism for the pin shaft of the mining movable hydraulic support according to claim 4, is characterized in that: one side of the clamping rod (23) close to the shell (1) is fixedly connected with the guide block, and the guide block is positioned in the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210202719.8A CN114260860B (en) | 2022-03-03 | 2022-03-03 | Quick pin shaft dismounting and mounting mechanism of movable hydraulic support for mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210202719.8A CN114260860B (en) | 2022-03-03 | 2022-03-03 | Quick pin shaft dismounting and mounting mechanism of movable hydraulic support for mine |
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| CN114260860A CN114260860A (en) | 2022-04-01 |
| CN114260860B true CN114260860B (en) | 2022-11-11 |
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| JP2002137172A (en) * | 2000-10-31 | 2002-05-14 | Nippon Koshuha Steel Co Ltd | Device for fitting/removing insert for dies |
| DE20214361U1 (en) * | 2002-09-16 | 2002-11-21 | Klann Tools Ltd | Pulling device, in particular for pulling centering pins |
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| DE202004008523U1 (en) * | 2004-05-28 | 2004-07-29 | Hung, Chih Kuo | Triple claw tool for pulling and lifting workpiece has three arms with hooked ends on hinged linkage actuated by wing nut on spindle |
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| CN114260860A (en) | 2022-04-01 |
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