CN207139692U - A kind of development machine coal-winning machine pin shaft disassembling tool - Google Patents

A kind of development machine coal-winning machine pin shaft disassembling tool Download PDF

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Publication number
CN207139692U
CN207139692U CN201721115105.7U CN201721115105U CN207139692U CN 207139692 U CN207139692 U CN 207139692U CN 201721115105 U CN201721115105 U CN 201721115105U CN 207139692 U CN207139692 U CN 207139692U
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Prior art keywords
jack
sleeve
gland
coal
screw rod
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CN201721115105.7U
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Chinese (zh)
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岳晓明
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岳晓明
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Abstract

A kind of a kind of development machine coal-winning machine pin shaft disassembling tool of the utility model, and in particular to the large-scale Special tool for dismounting hinge pin of coal mine development machine, coal-winning machine;The technical problem of solution is:A kind of instrument of the convenient dismounting large-scale bearing pin of development machine coal-winning machine is provided;The technical scheme of use is:Development machine coal-winning machine pin shaft disassembling tool, including:Sleeve, gland, jack, screwed joint, stud, screw rod, adjusting nut and pad;The sleeve is hollow barrel structure, and one end of sleeve is provided with the gland being used cooperatively with sleeve, and the other end of the sleeve is withstood on bearing pin installation portion;The center of the gland is provided with the perforation being adapted with screw rod, and the piston rod of the jack withstands gland;The utility model can be widely applied to colliery field.

Description

A kind of development machine coal-winning machine pin shaft disassembling tool
Technical field
A kind of development machine coal-winning machine pin shaft disassembling tool of the utility model, and in particular to a kind of coal mine development machine, coal-winning machine Large-scale Special tool for dismounting hinge pin.
Background technology
Development machine, coal-winning machine are the capital equipments in colliery, are widely used in various mines, due to the building ring in colliery Border is especially severe, and some parts of development machine, coal-winning machine are easily damaged, such as:Coal-winning machine hoist cylinder, rack rails wheel group and driving Machine rear support, lifting, rocking arm oil cylinder etc.;Due to the special operating environment of underground coal mine, especially for some high methane collieries, Fire operation can not be used, therefore the damage of above-mentioned part must resolve into big part gug maintenance, this kind of maintenance needs to put into Substantial amounts of man power and material, and time-consuming, needs 10 days or so to complete mostly, whole fully-mechanized mining working is at stopping production State;Cause the reduction of yield, the attenuating of benefit.
Utility model content
The utility model overcomes the deficiencies in the prior art, and technical problem to be solved is:It is a kind of convenient to provide Dismantle the instrument of the large-scale bearing pin of development machine coal-winning machine.
In order to solve the above technical problems, technical scheme is used by the utility model:A kind of development machine coal-winning machine bearing pin Extracting tool, including:Sleeve, gland, jack, screwed joint, stud, screw rod, adjusting nut and pad;
The sleeve is hollow barrel structure, and one end of sleeve is provided with the gland being used cooperatively with sleeve, the sleeve it is another One end is withstood on bearing pin installation portion;The center of the gland is provided with the perforation being adapted with screw rod, the piston rod of the jack Withstand gland;
The screwed joint is arranged on sleeve inner, and one end of screwed joint and one end of stud are connected, spiral shell The another one end of cotter joint is connected with screw rod;The other end of the stud is disassembled bearing pin for connection;The screw rod it is another One end extends to the cylinder base of jack through gland and jack, and screw rod is fixed on jack by adjusting nut and pad Cylinder base.
The jack uses hydraulic jack, and the hydraulic jack includes:Jack, oil pump, oil pipe and pressure Table, the oil pump are connected by oil pipe with jack, and the pressure gauge is arranged on oil pump.
The oil pump uses hand oil pump.
The stud uses 12.9 grades of M20 bolts, or uses 12.9 grades of M30 bolts.
The utility model has an advantageous effect in that compared with prior art:
First, the utility model easily, stably can be extracted bearing pin by the cooperation of jack and screw rod, optimize work Industry process, improves operating efficiency, has saved the repair time, improves driving face production maintenance efficiency;
2nd, the utility model small volume, threaded connection is belonged to, dismounting is easy to use, without heating of getting angry, can be applicable to Underground coal mine, inflammable and explosive region, have a wide range of application, practical.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is Fig. 1 sectional view;
In figure:1 it is sleeve, 2 be gland, 3 be jack, 4 be screwed joint, 5 be stud, 6 be screw rod, 7 is tune Section nut, 8 be pad, 9 be bearing pin installation portion, 10 be disassembled bearing pin, 11 be oil pump, 12 be oil pipe, 13 be pressure gauge.
Embodiment
As depicted in figs. 1 and 2, a kind of development machine coal-winning machine pin shaft disassembling tool of the utility model, including:Sleeve 1, gland 2nd, jack 3, screwed joint 4, stud 5, screw rod 6, adjusting nut 7 and pad 8.
The sleeve 1 is hollow barrel structure, and one end of sleeve 1 is provided with the gland 2 being used cooperatively with sleeve 1, the sleeve 1 The other end withstand on bearing pin installation portion 9, the internal diameter of sleeve 1 is more than the diameter for being disassembled bearing pin 10;Open at the center of the gland 2 There is the perforation being adapted with screw rod 6, the piston rod of the jack 3 withstands gland 2, and the piston rod and cylinder body of jack 3 are Hollow structure.
The screwed joint 4 is arranged on inside sleeve 1, and one end of screwed joint 4 is connected admittedly with one end of stud 5 Fixed, the another one end of screwed joint 4 is connected with screw rod 6;The other end of the stud 5 is disassembled bearing pin 10 for connection;Institute The other end for stating screw rod 6 extends to the cylinder base of jack 3 through gland 2 and jack 3, and screw rod 6 passes through the He of adjusting nut 7 Pad 8 is fixed on the cylinder base of jack 3.
The jack 3 uses hydraulic jack, and the hydraulic jack includes:Jack 3, oil pump 11, oil pipe 12 With pressure gauge 13, the oil pump 11 is connected by oil pipe 12 with jack 3, and the pressure gauge 13 is arranged on oil pump 11.
The oil pump 11 uses hand oil pump, can meet the working environment in high methane colliery very well.
The stud 5 uses 12.9 grades of M20 bolts, or uses 12.9 grades of M30 bolts, the screwed hole of existing bearing pin For M20 or M30, the tensile strength of 12.9 grades of M20 bolts and 12.9 grades of M30 bolts can fully meet the above-mentioned bearing pin of dismounting Need.
The utility model is in use, above-mentioned stud 5 is connected with being disassembled bearing pin 10, then by above-mentioned bolt Joint 4 is connected with stud 5, and screw rod 6 is connected with screwed joint 4, and screw rod 6 sequentially passes through sleeve 1, the and of gland 2 Jack 3, the cylinder base of jack 3 is fixed on by adjusting nut 7 and pad 8;Now, start hydraulic jack, utilize The thrust of jack 3, drive screw rod 6 to move in the opposite direction, be disassembled bearing pin 10 so as to drive and divide with bearing pin installation portion 9 From.
The utility model easily, stably can be extracted bearing pin by the cooperation of jack and screw rod, optimize operation Process, operating efficiency is improved, saved the repair time, improve driving face production maintenance efficiency;The utility model volume It is smaller, belong to threaded connection, dismounting is easy to use, without heating of getting angry, can be applicable to underground coal mine, inflammable and explosive region, should It is wide with scope, it is practical.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to In this, any those skilled in the art, can be without creative labor in the technical scope disclosed by the utility model The dynamic change or replacement expected, should all cover within the scope of protection of the utility model, therefore, protection model of the present utility model Enclosing be determined by the scope of protection defined in the claims.

Claims (4)

  1. A kind of 1. development machine coal-winning machine pin shaft disassembling tool, it is characterised in that:Including:Sleeve(1), gland(2), jack(3)、 Screwed joint(4), stud(5), screw rod(6), adjusting nut(7)And pad(8);
    The sleeve(1)For hollow barrel structure, sleeve(1)One end be provided with and sleeve(1)The gland being used cooperatively(2), it is described Sleeve(1)The other end withstand on bearing pin installation portion(9)On;The gland(2)Center be provided with and screw rod(6)Adaptable wears Hole, the jack(3)Piston rod withstand gland(2);
    The screwed joint(4)It is arranged on sleeve(1)Inside, screwed joint(4)One end and stud(5)One end connection It is fixed, screwed joint(4)Another one end and screw rod(6)Connection;The stud(5)The other end be disassembled pin for connection Axle(10);The screw rod(6)The other end pass through gland(2)And jack(3)Extend to jack(3)Cylinder base, spiral shell Bar(6)Pass through adjusting nut(7)And pad(8)It is fixed on jack(3)Cylinder base.
  2. A kind of 2. development machine coal-winning machine pin shaft disassembling tool according to claim 1, it is characterised in that:The jack (3)Using hydraulic jack, the hydraulic jack includes:Jack(3), oil pump(11), oil pipe(12)And pressure gauge (13), the oil pump(11)Pass through oil pipe(12)With jack(3)It is connected, the pressure gauge(13)Installed in oil pump(11)On.
  3. A kind of 3. development machine coal-winning machine pin shaft disassembling tool according to claim 2, it is characterised in that:The oil pump(11) Using hand oil pump.
  4. 4. a kind of development machine coal-winning machine pin shaft disassembling tool according to claims 1 to 3 any claim, its feature exist In:The stud(5)Using 12.9 grades of M20 bolts, or use 12.9 grades of M30 bolts.
CN201721115105.7U 2017-09-01 2017-09-01 A kind of development machine coal-winning machine pin shaft disassembling tool Active CN207139692U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721115105.7U CN207139692U (en) 2017-09-01 2017-09-01 A kind of development machine coal-winning machine pin shaft disassembling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721115105.7U CN207139692U (en) 2017-09-01 2017-09-01 A kind of development machine coal-winning machine pin shaft disassembling tool

Publications (1)

Publication Number Publication Date
CN207139692U true CN207139692U (en) 2018-03-27

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Application Number Title Priority Date Filing Date
CN201721115105.7U Active CN207139692U (en) 2017-09-01 2017-09-01 A kind of development machine coal-winning machine pin shaft disassembling tool

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CN (1) CN207139692U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108637969A (en) * 2018-05-16 2018-10-12 五冶集团上海有限公司 A kind of the tube bank extracting tool and method for dismounting of straight pipe heat exchanger
CN109570963A (en) * 2018-10-18 2019-04-05 上海中联重科桩工机械有限公司 Pin shaft plug-in and pull-off device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108637969A (en) * 2018-05-16 2018-10-12 五冶集团上海有限公司 A kind of the tube bank extracting tool and method for dismounting of straight pipe heat exchanger
CN109570963A (en) * 2018-10-18 2019-04-05 上海中联重科桩工机械有限公司 Pin shaft plug-in and pull-off device

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