CN213562312U

CN213562312U - Pin puller capable of disassembling pin shaft of hydraulic support

Info

Publication number: CN213562312U
Application number: CN202022380677.6U
Authority: CN
Inventors: 谢戈; 郭新汶; 赵志刚; 吴守峰
Original assignee: Inner Mongolia Fucheng Mining Co ltd
Current assignee: Inner Mongolia Fucheng Mining Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-29
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a pin puller for disassembling a pin shaft of a hydraulic support, which comprises a supporting base, a fixed platform, a pull rod, a power piston rod and a pin pulling joint, wherein the upper end of the supporting base is connected with the fixed platform in a sliding way, the central position of the supporting base close to one end of the fixed platform is fixed with a limit sleeve, the fixed platform comprises an upper L-shaped fixed plate and a lower L-shaped fixed plate, a fixed nut is welded at the middle position of the right end of the two fixed plates, the outer side wall of one end of the pull rod is provided with a thread matched with the fixed nut, the other end of the pull rod horizontally passes through the pull rod and the limit sleeve in sequence and is connected with the pin pulling joint through an adjusting mechanism, two installation blocks are fixed at both sides of the other end of the two fixed plates, the power piston rods are provided with two and are symmetrically fixed at both sides of the limit sleeve respectively, the free ends of, the workload and the labor capacity of workers are reduced, and the pin pulling efficiency is improved.

Description

Pin puller capable of disassembling pin shaft of hydraulic support

Technical Field

The utility model relates to a mining equipment technical field specifically is a can dismantle pin puller of hydraulic support round pin axle.

Background

The mining hydraulic support with large mining height is increasingly widely used, along with the increase of mining height, the supporting height, the working resistance and the single frame weight of the hydraulic support are also increasingly high, so that the sizes of a base and a connecting rod connecting pin shaft, a shield beam and a connecting rod connecting pin shaft and a shield beam and a top beam connecting pin shaft are also increasingly large, when the support needs to be lifted up for overhaul or overhauled underground, the dismantling work of a large pin shaft mostly depends on manual brute force, the dismantling efficiency is low, potential safety hazards are large, the key link which troubles the hydraulic support is successfully dismantled is provided, and the dismantling is more strenuous after long-term use, so that the task of the support maintenance work is aggravated, and great labor intensity is brought to the dismantling and maintenance of the hydraulic support.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can dismantle the problem of proposing in order to solve above-mentioned background art of pin puller of hydraulic support round pin axle.

In order to achieve the above object, the utility model provides a following technical scheme: a pin puller for a detachable hydraulic support pin shaft comprises a support base, a fixed platform, a pull rod, a power piston rod and a pin pulling joint, wherein the fixed platform is connected with the upper end of the support base in a sliding way, a limiting sleeve is fixed at the central position of one end of the supporting base close to the fixed platform, the fixed platform comprises an upper L-shaped fixed plate and a lower L-shaped fixed plate, a fixed nut is welded at the middle position of the right end of the two fixed plates, the outer side wall of one end of the pull rod is provided with a thread matched with the fixed nut, the other end of the pull rod horizontally penetrates through the pull rod and the limiting sleeve in sequence and is detachably connected with the pin pulling joint through an adjusting mechanism, two mounting blocks which are symmetrical relative to the pull rod are fixed on two sides of the other end between the two fixing plates, the two power piston rods are symmetrically fixed on two sides of the limiting sleeve respectively, and free ends of the two power piston rods are fixed on the two mounting blocks respectively;

adjustment mechanism is including fixing the regulation seat on the pull rod tip, along the axial of pull rod and seting up the adjustment tank on adjusting the seat right-hand member and fixing the locking cardboard in the adjustment tank, the pull pin joint includes the pull pin bolt and fixes on the pull pin bolt and with the regulating plate of locking cardboard looks adaptation, the through-hole has radially been seted up along it to the upper end of adjusting the seat, one side vertical fixation that the locking cardboard is close to the through-hole has the locking kelly that passes the through-hole, and the position department cover that the locking kelly is located the adjustment tank inside is equipped with the tensioning spring.

Preferably, a supporting block is fixed inside the limiting sleeve, and a guide hole matched with the pull rod is formed in the central position of the supporting block.

Preferably, a first rack is uniformly arranged on one side, facing the adjusting plate, of the locking clamping plate, and a second rack matched with the first rack is uniformly arranged on one side, facing the adjusting plate, of the adjusting plate.

Preferably, the power piston rod is an oil cylinder or a jack, and the power source of the power piston rod is an emulsion pump.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses when using, to connect good pulling pin bolted connection and on waiting the round pin axle of dismantling, start two power piston rods simultaneously, under the effect of two power piston rods, promote the fixed station to the left end rectilinear movement who supports the base, meanwhile, the pull rod moves in the lump along with the fixed station and dials out the round pin axle fast through the pulling pin joint, need not manual operation, has picked up staff's work load and labour, has improved the work efficiency of pulling pin simultaneously.

(2) In the utility model, the adjusting mechanism comprises an adjusting seat fixed on the end part of the pull rod, an adjusting groove arranged on the right end of the adjusting seat along the axial direction of the pull rod and a locking clamping plate fixed in the adjusting groove, a pin pulling joint comprises a pin pulling bolt and an adjusting plate fixed on the pin pulling bolt and matched with the locking clamping plate, a through hole is arranged at the upper end of the adjusting seat along the radial direction, a locking clamping rod passing through the through hole is vertically fixed at one side of the locking clamping plate close to the through hole, a tensioning spring is sleeved at the position of the locking clamping rod in the adjusting groove, a first rack is uniformly arranged at one side of the locking clamping plate facing to the adjusting plate, a second rack matched with the first rack is uniformly arranged at one side of the adjusting plate facing to the locking clamping plate, the locking clamping rod is pulled upwards, so that the elasticity of the tensioning spring is overcome while the locking clamping plate moves upwards, then, the adjusting plate connected with the pin pulling, then the locking clamping rod is loosened, under the action of the tensioning spring, the locking clamping plate moves in opposite directions and is in contact with the adjusting plate, under the cooperation of the first rack and the second rack, the pin pulling bolt and the pull rod are fixed together, the pin pulling joint is quite simple and rapid to disassemble and replace, and therefore the pin pulling joint with different sizes can be replaced conveniently and rapidly to meet the requirement of the pin shafts suitable for different sizes.

Drawings

Fig. 1 is a top view of the structure of the present invention;

FIG. 2 is a side sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of the structure of the portion A in FIG. 2;

fig. 4 is a schematic structural view of the limiting sleeve.

In the figure: 1. a support base; 2. a fixed table; 3. fixing a nut; 4. mounting blocks; 5. a limiting sleeve; 6. a power piston rod; 7. a pull rod; 8. a support block; 9. a guide hole; 10. an adjusting seat; 11. an adjusting plate; 12. pulling the bolt; 13. an adjustment groove; 14. a locking clamping plate; 15. locking the clamping rod; 16. the spring is tensioned.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a pin puller for a detachable hydraulic support pin shaft comprises a supporting base 1, a fixed table 2, a pull rod 7, a power piston rod 6 and a pin pulling joint, wherein the upper end of the supporting base 1 is connected with the fixed table 2 in a sliding manner, a limit sleeve 5 is fixed at the central position of one end, close to the fixed table 2, of the supporting base 1, the fixed table 2 comprises an upper L-shaped fixed plate and a lower L-shaped fixed plate, a fixed nut 3 is welded at the middle position of the right end of each fixed plate, a thread matched with the fixed nut 3 is arranged on the outer side wall of one end of the pull rod 7, the other end of the pull rod 7 horizontally penetrates through the pull rod 7 and the limit sleeve 5 in sequence and is detachably connected with the pin pulling joint through an adjusting mechanism, two mounting blocks 4 which are symmetrical about the pull rod 7 are fixed on two sides of the other end between the two fixed plates, the power piston rod 6 is, the free ends of the two power piston rods 6 are respectively fixed on the two mounting blocks 4;

adjustment mechanism is including fixing regulation seat 10 on the tip of pull rod 7, along the axial of pull rod 7 and seting up at the adjustment tank 13 on regulation seat 10 right-hand member and fixing the locking cardboard 14 in adjustment tank 13, the joint of pulling pin includes pulling pin bolt 12 and fixes on pulling pin bolt 12 and with the regulating plate 11 of locking cardboard 14 looks adaptation, the upper end of adjusting seat 10 has radially seted up the through-hole along it, one side vertical fixation that locking cardboard 14 is close to the through-hole has the locking kelly 15 that passes the through-hole, and locking kelly 15 is located the position department cover of adjustment tank 13 inside and is equipped with tensioning spring 16.

In this embodiment, a supporting block 8 is fixed inside the limiting sleeve 5, and a guiding hole 9 adapted to the pull rod 7 is formed in the central position of the supporting block 8, so as to increase the supporting point of the pull rod 7 and improve the strength of the pull rod 7.

In this embodiment, rack one has evenly been arranged towards one side of regulating plate 11 to locking cardboard 14, and regulating plate 11 has evenly been arranged towards one side of locking cardboard 14 with rack two of a looks adaptation, under the cooperation through locking cardboard 14 and regulating plate 11, can make the pulling pin joint can dismantle the connection on pull rod 7, thereby make things convenient for the not round pin axle that is applicable to not unidimensional of quick replacement pin joint in order to satisfy and be applicable to not, and simultaneously, can also adjust pull rod 7 and pull out the distance between the pin joint, thereby the pulling out of the round pin axle of not unidimensional.

In this embodiment, the power piston rod 6 is an oil cylinder or a jack, and the power source of the power piston rod 6 is an emulsion pump.

The pin pulling process comprises the following steps:

(1) firstly, selecting a proper pin pulling joint according to the size and the length of a pin shaft to be pulled in a construction site;

(2) installing the selected pin pulling joint by adopting an installation mode as shown in figure 3, namely pulling the locking clamping rod 15 upwards to enable the locking clamping plate 14 to move upwards and overcome the elasticity of the tension spring 16, then horizontally inserting the adjusting plate 11 connected with the pin pulling bolt 12 into the adjusting groove 13 to a proper position, then loosening the locking clamping rod 15, enabling the locking clamping plates 14 to move oppositely and to be in contact with the adjusting plate 11 under the action of the tension spring 16, and enabling the pin pulling bolt 12 and the pull rod 7 to be fixed together under the matching of the first rack and the second rack, so that the pin pulling joint is very simple and quick to disassemble and replace;

(3) the connecting of the pulling pin bolt 12 is connected on the pin shaft to be disassembled, two power piston rods 6 are started simultaneously, under the action of the two power piston rods 6, the fixed platform 2 is pushed to move linearly towards the left end of the supporting base 1, meanwhile, the pull rod 7 moves together with the fixed platform 2 and rapidly pulls out the pin shaft through the pulling pin joint, manual operation is not needed, the workload and labor force of workers are picked up, and the working efficiency of pulling pins is improved simultaneously.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a can dismantle pin puller of hydraulic support round pin axle which characterized in that: the device comprises a supporting base (1), a fixed table (2), a pull rod (7), a power piston rod (6) and a pin pulling joint, wherein the upper end of the supporting base (1) is connected with the fixed table (2) in a sliding manner, a limit sleeve (5) is fixed at the central position of one end, close to the fixed table (2), of the supporting base (1), the fixed table (2) comprises an upper L-shaped fixed plate and a lower L-shaped fixed plate, a fixed nut (3) is welded at the middle position of the right end of the two fixed plates, a thread matched with the fixed nut (3) is arranged on the outer side wall of one end of the pull rod (7), the other end of the pull rod (7) horizontally penetrates through the pull rod (7) and the limit sleeve (5) in sequence and is detachably connected with the pin pulling joint through an adjusting mechanism, two mounting blocks (4) symmetrical about the pull rod (7) are fixed on two sides of the, the two power piston rods (6) are symmetrically fixed on two sides of the limiting sleeve (5) respectively, and the free ends of the two power piston rods (6) are fixed on the two mounting blocks (4) respectively;

adjustment mechanism is including fixing regulation seat (10) on pull rod (7) tip, along the axial of pull rod (7) and set up in regulation seat (10) right-hand member on regulation groove (13) and fix locking cardboard (14) in regulation groove (13), pull out the round pin joint including pull out round pin bolt (12) and fix on pull out round pin bolt (12) and with regulating plate (11) of locking cardboard (14) looks adaptation, the through-hole has radially been seted up along it in the upper end of regulation seat (10), one side vertical fixation that locking cardboard (14) are close to the through-hole has locking kelly (15) that pass the through-hole, and locking kelly (15) are located the position department cover of regulation groove (13) inside and are equipped with tensioning spring (16).

2. The pin puller for the detachable hydraulic support pin shaft according to claim 1, wherein: a supporting block (8) is fixed inside the limiting sleeve (5), and a guide hole (9) matched with the pull rod (7) is formed in the central position of the supporting block (8).

3. The pin puller for the detachable hydraulic support pin shaft according to claim 1, wherein: one side, facing the adjusting plate (11), of the locking clamping plate (14) is uniformly provided with a first rack, and one side, facing the locking clamping plate (14), of the adjusting plate (11) is uniformly provided with a second rack matched with the first rack.

4. The pin puller for the detachable hydraulic support pin shaft according to claim 1, wherein: the power piston rod (6) is an oil cylinder or a jack, and the power source of the power piston rod (6) is an emulsion pump.