CN218563617U

CN218563617U - Underground hydraulic upright column guide sleeve dismounting tool

Info

Publication number: CN218563617U
Application number: CN202222451282.XU
Authority: CN
Inventors: 叶红彬; 宋宏雷; 崔超军
Original assignee: Henan Debaite Electromechanical Equipment Manufacturing Co ltd
Current assignee: Henan Debaite Electromechanical Equipment Manufacturing Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-03
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a hydraulic pressure stand uide bushing extracting tool in pit relates to the technical field that the hydraulic prop uide bushing was changed in the pit, including components of a whole that can function independently spanner, components of a whole that can function independently staple bolt and drive assembly, components of a whole that can function independently spanner fastening clamps in the week side of uide bushing, and components of a whole that can function independently staple bolt matching is fixed week side of hydraulic prop outer cylinder, components of a whole that can function independently staple bolt and components of a whole that can function independently spanner are connected with the drive assembly hook respectively, realize screwing and loosening the uide bushing through lasting pulling drive assembly. The utility model discloses simple structure easily operates, has reduced workman's intensity of labour, and work efficiency is high, can be nimble convenient change the dismantlement to the uide bushing.

Description

Underground hydraulic upright post guide sleeve dismounting tool

Technical Field

The utility model belongs to the technical field of hydraulic prop uide bushing is changed in the pit, concretely relates to hydraulic prop uide bushing extracting tool in pit.

Background

The hydraulic column belongs to supporting equipment applied in the coal mine excavation process, is mainly used for roof supporting, end supporting and advanced supporting of a coal mine excavation face, mainly plays a role in preventing a goaf roof of a coal mining face of a coal mine and a roof of a driving roadway from falling, ensures safe output of a coal mine enterprise, is main supporting equipment among three key equipment for supporting, digging and conveying in the coal output process, and has important significance for coal output and safe output of the coal mine.

At present, the conditions of leakage, looseness, sealing damage and the like which are caused to an underground hydraulic upright guide sleeve are mostly to separate a whole upright from a support and then to operate to the ground for disassembly maintenance and replacement, but because no power interface exists underground and no other suitable power exists, the underground disassembly of the upright is extremely difficult, 1-5t of one upright is heavy, the underground operation space is limited, and lifting equipment cannot be used, if the underground hydraulic upright guide sleeve only operates by manpower, the labor intensity is high, the operation time is long, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

To current change stand uide bushing intensity of labour height, the operation difficulty has the problem of potential safety hazard, the utility model provides a hydraulic pressure stand uide bushing extracting tool in pit can only be that the uide bushing damages or the sealed damage of uide bushing to those, perhaps the uide bushing is not hard up to cause the weeping, has removed the difficulty of disassembling the change stand from, and can directly change the maintenance in the pit, has reduced colliery workman's intensity of labour by a wide margin, improves coal mining efficiency, can also reduce the safety risk.

The utility model provides a scheme that its technical problem adopted is: a tool for disassembling an underground hydraulic upright guide sleeve comprises a split wrench a, a split wrench b, a split hoop and a driving assembly, wherein the split wrench a and the split wrench b are identical in structure and respectively comprise arc wrench bodies and connecting pieces which are symmetrically arranged on two sides of the guide sleeve respectively; the fixed suit of components of a whole that can function independently staple bolt matching is in hydraulic column outer cylinder week side for fixed outer cylinder, drive assembly one end is hung and is drawn on the round hole of components of a whole that can function independently spanner, the other end with the components of a whole that can function independently staple bolt is connected, continuously stimulates drive assembly and realizes screwing and loosening the uide bushing.

As a preferred technical scheme of the utility model, the hydraulic upright column comprises a plunger, a middle cylinder and an outer cylinder, a first guide sleeve is fixedly sleeved on a step surface formed by the plunger and the middle cylinder in a matching manner, and a second guide sleeve is fixedly sleeved on a step surface formed by the middle cylinder and the outer cylinder in a matching manner; the split wrench a is clamped on the peripheral side of the first guide sleeve, and the split wrench b is clamped on the peripheral side of the second guide sleeve.

As a preferred technical scheme of the utility model, a plurality of cutting angles are respectively arranged on the top peripheral sides of the first guide sleeve and the second guide sleeve to form a screwing surface of the guide sleeve; and cavity walls matched with the screwing surfaces of the first guide sleeve and the second guide sleeve are respectively arranged in the inner cavities of the split wrench a and the split wrench b and are used for clamping and clamping the guide sleeves.

As a preferred technical scheme of the utility model, the connecting piece is the rectangle mounting panel, corresponds respectively and fixes at spanner main part both ends, and the last corresponding rectangle mounting panel of uide bushing both sides spanner main part passes through bolt fixed connection.

As an optimal technical scheme of the utility model, be equipped with a plurality of mounting holes along the circumference interval on the components of a whole that can function independently staple bolt for link and components of a whole that can function independently spanner cooperation through drive assembly use.

As an optimized technical scheme of the utility model, drive assembly is the drive calabash.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, can only be that the uide bushing damages or the sealed damage of uide bushing, perhaps the uide bushing is not hard up to cause the weeping, the difficulty of dismantling the change stand has been removed from, and can directly change the maintenance in the pit, through match in uide bushing week side and clamp the components of a whole that can function independently spanner, realize revolving soon to the uide bushing with the drive calabash, can be more effectual counter large resistance's central moment of torsion, coal mine workman's intensity of labour has been reduced by a wide margin, improve coal mining efficiency, can realize the change operation to the uide bushing in the pit, can also reduce the safety risk.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the split wrench b of the present invention in cooperation with a second guide sleeve;

fig. 2 is a schematic structural view of the hydraulic column of the present invention;

FIG. 3 is a schematic view of the split wrench of the present invention;

fig. 4 is a schematic structural view of the split hoop of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the split wrench a and the first guide sleeve of the present invention.

In the figure: the wrench comprises a wrench body 1, a mounting plate 2, a round hole 3, a split hoop 4, a movable column 5, a middle cylinder 6, an outer cylinder 7, a first guide sleeve 8, a second guide sleeve 9, a split wrench b10 and a split wrench a11.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Referring to fig. 1-5, the utility model provides a technical scheme of a hydraulic pressure stand uide bushing extracting tool in pit:

the first embodiment is as follows:

according to the illustration of fig. 2, the hydraulic column comprises a plunger 5, a middle cylinder 6 and an outer cylinder 7, a first guide sleeve 8 is fixedly sleeved on a step surface formed by the plunger 5 and the middle cylinder 6, a second guide sleeve 9 is fixedly sleeved on the step surface formed by the middle cylinder 6 and the outer cylinder 7, wherein the inner diameter of the second guide sleeve 9 is larger than the inner diameter of the first guide sleeve 8, and a plurality of cutting angles are respectively arranged on the top peripheral sides of the first guide sleeve 8 and the second guide sleeve 9 to form a screwing surface of the guide sleeve. The utility model also comprises a split wrench a10, a split wrench b11, a split hoop 4 and a driving component, the split wrench a10 and the split wrench b11 have the same structure and different sizes, and are respectively and symmetrically arranged on the two sides of the guide sleeve by arc wrench main bodies 1 and connecting pieces with the openings of the two wrench main bodies 1 being arranged oppositely, and a plurality of round holes 3 are respectively and evenly arranged on each wrench main body 1 along the circumferential direction at intervals, the round holes 3 are used for hooking and drawing the driving component, the wrench main bodies of the split wrench a10 and the split wrench b11 are fixedly connected by the connecting pieces and are combined to form a circular ring wrench, in addition, cavity walls matched with the tightening surfaces of the first guide sleeve and the second guide sleeve are respectively arranged in the inner cavities of the split wrench a and the split wrench b and used for being clamped and clamped with the top peripheral sides of the first guide sleeve 8 and the second guide sleeve 9 respectively, referring to fig. 3, the connecting piece is a rectangular mounting plate 2, the rectangular mounting plates 2 are respectively fixed at two ends of each arc wrench main body 1, the mounting plates on the arc wrench main bodies are symmetrically arranged at two sides of the guide sleeves and are oppositely arranged, a plurality of bolt holes are correspondingly arranged on the mounting plates, and the wrench main bodies are fixedly connected through bolts, so that the split wrench a10 and the split wrench b11 are correspondingly fastened and clamped with the first guide sleeve 8 and the second guide sleeve 9.

Referring to fig. 1, 4 and 5, a split hoop 4 is mounted on a peripheral matching fixing sleeve of the hydraulic column outer cylinder, the split hoop 4 comprises two half arc-shaped steel plates and a hoop bottom plate, two ends of the two half arc-shaped steel plates are bent outwards and respectively correspond to form a mounting lug, a plurality of bolt holes corresponding to each other are formed in the mounting lug, openings of the two half arc-shaped steel plates are opposite and fixedly connected through bolts to form a circular hoop, the hoop bottom plate is annularly and vertically fixed at the bottoms of the two half arc-shaped steel plates, a plurality of round holes are formed in the hoop bottom plate at intervals and used for hooking connecting pipes of a driving assembly, the split hoop 4 is matched and fixed on the peripheral side of the column outer cylinder to fix the outer cylinder, the driving assembly is matched to provide a supporting point, and a guide sleeve is convenient to rotate, and disassemble. The drive assembly is the drive calabash that has now in this embodiment, and drive calabash one end is hung and is drawn on the round hole of components of a whole that can function independently spanner, and the other end is hung and is drawn on the round hole of components of a whole that can function independently staple bolt, and the output that continuously stimulates drive calabash realizes screwing and loosening the uide bushing. The utility model discloses such setting, match in the uide bushing week and clamp the components of a whole that can function independently spanner, realize revolving soon to the uide bushing with the drive calabash, can be more effective antagonism large drag's central moment of torsion, even if the higher screw thread of tolerance level, also can overcome its great frictional resistance and come to rotate it to letting, need not to separate the maintenance of dismantling from the support to transporting whole root stand subaerially, and can realize the dismantlement work to the uide bushing in the pit, can reduce workman intensity of labour by a wide margin, and the work efficiency is improved, and the installation risk is reduced.

When in specific use, the utility model relates to a hydraulic pressure stand uide bushing extracting tool in pit, at first when overhauing will need to disassemble or screwed up the uide bushing stand pressure release earlier, later make dustproof measure to the hydro-cylinder, in order to prevent that the coal dust from falling into inside the hydro-cylinder, select first uide bushing or second uide bushing, and correspond to match split wrench a or split wrench b and clamp, clamp with the bolt fastening after clamping with the uide bushing, later with the components of a whole that can function independently staple bolt chucking above the outer jar of stand, require between split wrench and the uide bushing, can not take place relative looseness between split staple bolt and the outer jar of stand, the link and the split wrench of driving the calabash are connected, the other end hangs and draws the connection with the round hole on the staple bolt, guarantee taut power and the coincidence of the tangent line of spanner excircle, pulling driving block, the split wrench takes place to rotate through the straining force drive, when the split wrench rotates to stand center and coincides with the center of driving block, stop to continue to draw, the link hook the next calabash of driving block on the driving block, continue to draw a hole site, pull a hole, each time, the uide bushing rotates thereupon, the pulling realizes that certain angle is screwed up and loosens. Through clamping the components of a whole that can function independently spanner in the matching of uide bushing week side, realize revolving soon to the uide bushing with the drive calabash, can be more effectual counter the central moment of torsion of big resistance, even if the higher screw thread of tolerance level, also can overcome its great frictional resistance and come to rotate letting it, need not to separate the maintenance of disassembling to the subaerial from the support with whole root stand, and can realize the dismantlement work to the uide bushing in the pit, can reduce workman intensity of labour by a wide margin, and improve work efficiency, reduce the installation risk.

Example two:

this embodiment is no longer repeated with the same place of embodiment one, and the difference lies in, regards as the stiff end with hydraulic support, is about to drive hoist one end and hydraulic support's suitable position and hangs and draw, guarantees that hydraulic support can provide the power of strong point, makes the structure simpler, has also alleviateed intensity of labour simultaneously.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and any modifications, equivalent replacements and improvements made within the spirit and principle scope of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a hydraulic pressure stand uide bushing extracting tool in pit which characterized in that: the split wrench a and the split wrench b are identical in structure and respectively comprise arc wrench bodies and connecting pieces which are symmetrically arranged on two sides of the guide sleeve, openings of the two wrench bodies are opposite, a plurality of round holes are uniformly formed in the wrench bodies at intervals along the circumference, the two wrench bodies of the split wrench a and the split wrench b are fixedly connected and combined through the connecting pieces to form a circular ring wrench and are clamped and clamped at the top of the guide sleeve of the hydraulic upright column correspondingly; the fixed suit of components of a whole that can function independently staple bolt matching is in hydraulic column outer cylinder week side for fixed outer cylinder, drive assembly one end is hung and is drawn on the round hole of components of a whole that can function independently spanner, the other end with the components of a whole that can function independently staple bolt is connected, continuously stimulates drive assembly and realizes screwing and loosening the uide bushing.

2. The guide sleeve removal tool of claim 1, wherein: the hydraulic upright column comprises a plunger, a middle cylinder and an outer cylinder, a first guide sleeve is fixedly sleeved on a step surface formed by the plunger and the middle cylinder in a matching manner, and a second guide sleeve is fixedly sleeved on a step surface formed by the middle cylinder and the outer cylinder in a matching manner; the split wrench a is clamped on the peripheral side of the first guide sleeve, and the split wrench b is clamped on the peripheral side of the second guide sleeve.

3. The guide sleeve removal tool of claim 2, wherein: a plurality of cutting angles are respectively arranged on the periphery sides of the tops of the first guide sleeve and the second guide sleeve to form a screwing surface of the guide sleeve; and cavity walls matched with the screwing surfaces of the first guide sleeve and the second guide sleeve are respectively arranged in the inner cavities of the split wrench a and the split wrench b and used for clamping and clamping the guide sleeves.

4. The guide sleeve removal tool of claim 1, wherein: the connecting pieces are rectangular mounting plates and are respectively and correspondingly fixed at two ends of the wrench main body, and the corresponding rectangular mounting plates on the wrench main bodies on two sides of the guide sleeve are fixedly connected through bolts.

5. The guide sleeve removal tool of claim 1, wherein: a plurality of mounting holes are formed in the split hoop at intervals along the circumference and used for being matched with the split wrench through the connecting end of the driving assembly.

6. The guide sleeve removal tool of claim 1, wherein: the driving component is a driving hoist.