CN104005780B - For dismantling/assembling the device of hydraulic support column fairlead under mine - Google Patents
For dismantling/assembling the device of hydraulic support column fairlead under mine Download PDFInfo
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- CN104005780B CN104005780B CN201410266435.0A CN201410266435A CN104005780B CN 104005780 B CN104005780 B CN 104005780B CN 201410266435 A CN201410266435 A CN 201410266435A CN 104005780 B CN104005780 B CN 104005780B
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Abstract
The present invention relates to the device for dismantling/assembling hydraulic support column fairlead under mine, be made up of execution working portion and control section; Described execution working portion comprises the hoop component be engaged on hydraulic support column, with the ratchet assembly that the fairlead being threaded in hydraulic support column upper end coordinates, to be located on hoop component and the contrary hydraulic transmission part in two the power transmission directions be connected with control section, respectively and two hydraulic transmission parts are connected and coordinate with described ratchet assembly two overlap the contrary pawl assembly in power transmission direction; Described ratchet assembly is made up of ring-type ratchet and the long fixture block of multi-disc be located in its inner circle or stub block, and the inner circle of described ring-type ratchet and the cylindrical of fairlead coordinate, and are provided with long fixture block or the stub block of multi-disc card between; The present invention can not dismantle under hydraulic support column condition, completes the operation of dismounting/assembling hydraulic support column fairlead, is applicable to, in the operation of ore deposit mining face under mine, reduce maintenance cost.
Description
Technical field
The present invention relates to the maintenance frock of mine hydraulic support parts, be specifically related to the device for dismantling/assembling hydraulic support column fairlead under mine, especially facilitate the size fairlead dismantled under mine/assemble on hydraulic support column.
Background technology
Hydraulic support is the supporting facility that colliery is commonly used, and the column in hydraulic support is main holding capacity parts, and it comprises the component such as cylinder body, fairlead and seal.The assembling of hydraulic support column fairlead is all on mine, adopt special equipment.A kind of assembling mechanism of guide sleeve of column of hydraulic support disclosed in CN204163321U, comprise base and to be vertically arranged on described base and the frame be connected by hinge arrangement with base, described frame be provided with vertical lifting hoist cylinder and for guide sleeve of stand column install and the motor in mating connection with described hoist cylinder, the below of described motor is provided with chuck, is provided with at least one group of spring between described motor and described chuck.Owing to have employed swing arm structure and vertically installing fairlead, can prevent column from conducting oneself with dignity and sealing ring is damaged by pressure; Meanwhile, because motor adopts floating structure, the decentraction problem of motor and column is solved; In addition, owing to have employed the structure of two springs, both solve fairlead thread spindle to bit shift compensation problem, turn avoid axial wearing and tearing, therefore, both controlled the precompression size of fairlead, can effectively protect again fairlead not damaged by pressure.
Due to bad environments under mine, sealing ring, guide ring etc. after long-time use in hydraulic support column need repair and replacement.In order to change seal, fairlead must be disassembled from cylinder body, after changing seal, then fairlead being arranged on cylinder body.But place is limited under mine, the horizontal cylinder machine of tearing open that volume can not be used larger carries out in down-hole dismantling or installing fairlead, needs the oil cylinder of hydraulic support to disassemble, is transported to above mine and goes.The expensive like this time, waste the resources such as a lot of human, financial, and material resources.Whirligig in hydraulic support withdrawing machine disclosed in CN102678180A, comprise column, frame, support and rotating disk, column and support are all fixed in frame, rotating disk is contained on column by bearing holder (housing, cover), the top of rotating disk is provided with the first connection seat, two identical the second connection seats are symmetrically arranged with in the bottom of rotating disk, two hydraulic jack horizontal symmetrical are placed, the cylinder body of two hydraulic jacks is all movably hinged on the bracket, and the piston rod of two hydraulic jacks is hinged on the both sides of rotating disk respectively.This whirligig is applied to the dismounting of ore deposit underground hydraulic support frame, although effectively can reduce the labour intensity of workman, maintenance cost is higher.
Therefore, exploitation can complete the device of dismounting/assembling hydraulic support column fairlead in work under mine, be the long-term unsolved technical problem in described field.
Summary of the invention
The object of this invention is to provide the device for dismantling/assembling hydraulic support column fairlead under mine, this device with ore deposit underground hydraulic support frame hydraulic system used for power source, can not dismantle under hydraulic support column condition, complete the operation of dismounting/assembling hydraulic support column fairlead, compare with cylinder apparatus of tearing open in the past, volume is little, lightweight, and is convenient to mobile, installation, be applicable to, in the operation of ore deposit mining face under mine, reduce maintenance cost.
Device for dismantling/assembling hydraulic support column fairlead under mine of the present invention, be made up of execution working portion and control section, it is characterized in that: described execution working portion comprises the hoop component be engaged on hydraulic support column, with the ratchet assembly that the fairlead being threaded in hydraulic support column upper end coordinates, to be located on hoop component and the contrary hydraulic transmission part in two the power transmission directions be connected with control section, respectively and two hydraulic transmission parts are connected and coordinate with described ratchet assembly two overlap the contrary pawl assembly in power transmission direction;
Described ratchet assembly is made up of ring-type ratchet and the long fixture block of multi-disc be located in its inner circle or stub block, and the inner circle of described ring-type ratchet and the cylindrical of fairlead coordinate, and are provided with long fixture block or the stub block of multi-disc card between;
Described hoop component comprises two pieces of anchor ears and wins in succession; One end that one piece of anchor ear is won in succession is fixedly connected with public anchor ear, and one end that another block anchor ear is won in succession is fixedly connected with female anchor ear, and described male anchor ear and female anchor ear coordinate with described hydraulic support column, and are connected by threaded fastener; A circular arc guide strip is connected in the side that two pieces of anchor ears are won in succession, circular arc guide strip is provided with gathering sill, the circular arc of the anterior side of described one piece of circular arc guide strip is fixedly connected with described male anchor ear, the circular arc of another side, block circular arc guide strip front portion is fixedly connected with described female anchor ear; On described two pieces of anchor ears are won in succession, be respectively equipped with hydraulic transmission part holder and hydraulic transmission part holding frame, two hydraulic pressure hydraulic transmission parts are connected with a hydraulic transmission part holder and a hydraulic transmission part holding frame respectively.
Further, described control section comprises hydraulic control valve seat, be located at control stick on hydraulic control valve seat and fluid proportion plate, be located at pressure meter on fluid proportion plate and reversal valve, the oil inlet pipe that is communicated with reversal valve and oil return pipe, the oil-feed tee junction be communicated with oil inlet pipe, the oil return tee junction that is communicated with oil return pipe, the two ends of described oil-feed tee junction are communicated with respectively by the oil-in of oil inlet pipe with described two hydraulic transmission parts, and the two ends of described oil return tee junction are communicated with respectively by the oil return opening of oil return pipe with described two hydraulic transmission parts.
Further, described pawl assembly comprises back tightening nut that ratchet coordinates with adjusting bolt upper end with the ratchet bearing that the adjusting bolt of click-fit is connected with adjusting bolt lower end, is located at torsionspring between ratchet and adjusting bolt; Described back tightening nut is provided with fastening bolt; Described in the bottom of described ratchet bearing, the force transfer end of hydraulic transmission part is connected, and the lower end of described ratchet bearing coordinates with the gathering sill on described circular arc guide strip, and described ratchet coordinates with the ratchet on described ring-type ratchet.
Further, described public anchor ear is provided with anti-rotation member, this anti-rotation member coordinates with a boss of described hydraulic support column; Described female anchor ear is also provided with anti-rotation member, and this anti-rotation member coordinates with another boss of described hydraulic support column.
Further, the opposite side of winning in succession at described one piece of anchor ear is provided with and is connected with bearing diagonal, one end of this bearing diagonal win in succession with described anchor ear be fixedly connected with, the other end is fixedly connected with described public anchor ear; The opposite side of winning in succession at another block anchor ear described is provided with and is connected with bearing diagonal, one end of this bearing diagonal win in succession with described anchor ear be fixedly connected with, the other end is fixedly connected with described female anchor ear.
Further, the cylinder seat that described hydraulic pressure hydraulic transmission part comprises cylinder body, be fixedly connected with cylinder body one end, coordinate cylinder sleeve with cylinder body other end inwall, the piston be located in cylinder body, one end be connected the other end through cylinder sleeve and stretch out the piston rod of cylinder body with piston, also comprise the oil-in be located on described cylinder body one end, the oil-out be located on described cylinder body the other end; Described oil-in is connected by oil inlet pipe one end with the oil-feed tee junction of described control section, and described oil-out is connected by oil return pipe one end with the oil return tee junction of described control section; The bottom of the ratchet bearing of described piston rod and described pawl assembly is connected, the upper end thereof of described cylinder seat and described hydraulic transmission part holder.
Further, described hydraulic transmission part holding frame comprise lower end be fixedly connected on described anchor ear win in succession on the inverted V-shaped crossbeam that is connected with the upper end of described second pillar by wing nut of V-shape base, the first pillar being located at V-shape base upper one end, the second pillar being located at the V-shape base top other end, the upper end thereof of one end and described first pillar, the other end, described hydraulic transmission part horizontally set, its cylinder body is clamped between described V-shape base and inverted V-shaped crossbeam.
The present invention achieves following technique effect:
(1) at ore deposit mining face under mine detachable maintaining column, also can complete the erection work of column after maintain and replace, not need extra power source, use working surface hydraulic support hydraulic system used, column be dismantled and assembles more simple and convenient;
(2) owing to just detachably assembling column at mine working face, avoid and pull down the work such as column, column transport from hydraulic support;
(3) structure is simple, easy to operate, greatly can save the expense of column detachable maintaining.This device was compared with tearing cylinder apparatus open in the past, and volume is little, lightweight, was applicable to, in the operation of ore deposit mining face under mine, avoid and pulled down from hydraulic support by column, then be transported to the heavy labor on mine.
Accompanying drawing explanation
Fig. 1 is using state of the present invention (dismounting fairlead) schematic diagram;
Fig. 2 is one of structural representation of ratchet assembly;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the structural representation two of ratchet assembly;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is the structural representation of hoop component;
Fig. 7 is the structural representation of pawl assembly;
Fig. 8 is the structural representation of hydraulic transmission part;
Fig. 9 is the structural representation of hydraulic transmission part holding frame;
Figure 10 is the left view of Fig. 9;
Figure 11 is the schematic diagram that the present invention assembles fairlead.
Figure 12 is that the present invention dismantles little fairlead schematic diagram (cover has little fairlead spanner).
Figure 13 is the schematic diagram (cover has little fairlead spanner) that the present invention assembles little fairlead.
In figure: 1-ring-type ratchet, 2-hoop component, 3-hydraulic transmission part, 4-pawl assembly, 5-hydraulic transmission part holder, 6-hydraulic transmission part holding frame, the long fixture block of 11-, 12-stub block;
The public anchor ear of 20-, the female anchor ear of 21-, 22-anchor ear is won in succession, 23-bearing diagonal, 24-circular arc guide strip, 25-gathering sill, 26-anti-rotation member;
30-cylinder body, 31-cylinder seat, 32-cylinder sleeve, 33-piston rod, 34-piston, 35-oil-in, 36-oil-out;
40-ratchet, 41-adjusting bolt, 42-ratchet bearing, 43-back tightening nut, 44-torsionspring, 45-fastening bolt;
60-V shape seat, 61-first pillar, 62-second pillar, 63-inverted V-shaped crossbeam, 64-wing nut;
70-hydraulic control valve seat, 71-fluid proportion plate, 72-control stick, 73-pressure meter, 74-reversal valve, 75-oil-feed tee junction, 76-oil return tee junction, 77-oil inlet pipe, 78-oil return pipe;
80-hydraulic support column, 81-boss, 90-fairlead, the little fairlead of 91-, the little fairlead spanner of 92-.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
embodiment one:dismounting hydraulic support column fairlead;
Device for dismantling/assembling hydraulic support column fairlead under mine shown in Figure 1, is made up of execution working portion and control section, and its outstanding substantive distinguishing features is:
Described execution working portion comprises the hoop component 2 be engaged on hydraulic support column 80, with the ratchet assembly that the fairlead 90 being threaded in hydraulic support column upper end coordinates, to be located on hoop component and contrary hydraulic transmission part 3, respectively and two hydraulic transmission parts in two the power transmission directions be connected with control section are connected and coordinate with described ratchet assembly two overlap the contrary pawl assembly in power transmission direction 4;
Described public anchor ear 20 is provided with anti-rotation member 26, and this anti-rotation member coordinates with a boss 81 of described hydraulic support column 80; Described female anchor ear 21 is also provided with anti-rotation member 26, and this anti-rotation member coordinates with another boss 81 of described hydraulic support column 80.Anti-rotation member has coordinated position-limiting action with boss, rotate (with this when dismantling fairlead to prevent hoop component, fairlead passes on hydraulic support column cylindrical to the reaction torque that hoop component produces, and the bottom of hydraulic support column is connected with the base of hydraulic support, reaction torque is caused to be delivered on the base of hydraulic support).
Described control section is see Fig. 1, described control section comprises hydraulic control valve seat 70, be located at the control stick 72 on hydraulic control valve seat and fluid proportion plate 71, be located at the pressure meter 73 on fluid proportion plate and reversal valve 74, the oil inlet pipe 77 be communicated with reversal valve and oil return pipe 78, the oil-feed tee junction 75 be communicated with oil inlet pipe, the oil return tee junction 76 be communicated with oil return pipe, the two ends of described oil-feed tee junction 75 are communicated with respectively by the oil-in of oil inlet pipe with described two hydraulic pressure hydraulic transmission parts 3, the two ends of described oil return tee junction 76 are communicated with respectively by the oil return opening of oil return pipe with described two hydraulic pressure hydraulic transmission parts 3.Feed liquor on fluid proportion plate, time liquid interface connect ore deposit mining face under mine hydraulic system, have hydraulic pressure port between fluid proportion plate and reversal valve, by moving forward, backward of reversal valve handle, and the emersion of control piston bar or withdrawal respectively.Pressure meter is connected and is fixed on fluid proportion plate, to show the pressure in current hydraulic oil road.
Ratchet assembly is see Fig. 2, Fig. 3, Fig. 4 and Fig. 5, described ratchet assembly is made up of ring-type ratchet 1 and the long fixture block 11 of multi-disc be located in its inner circle or stub block 12, the inner circle of described ring-type ratchet 1 and the cylindrical of fairlead 90 coordinate, and are provided with long fixture block 11 or the stub block 12 of multi-disc card between.During dismounting fairlead 90, use ring-type ratchet 1 and stub block 12, the slot fit on the fairlead excircle on stub block and hydraulic support column, passes to fairlead by moment of torsion.
Described hoop component is see Fig. 6, and hoop component 2 comprises two pieces of anchor ears and wins 22 in succession; One end that one piece of anchor ear is won in succession is fixedly connected with public anchor ear 20, and one end that another block anchor ear is won in succession is fixedly connected with female anchor ear 21, and described male anchor ear 20 and female anchor ear 21 coordinate with described hydraulic support column 80, and are connected by threaded fastener; A circular arc guide strip 24 is connected in the side that two pieces of anchor ears are won in succession, circular arc guide strip is provided with gathering sill 25, the circular arc of the anterior side of described one piece of circular arc guide strip is fixedly connected with described male anchor ear, the circular arc of another side, block circular arc guide strip front portion is fixedly connected with described female anchor ear; Hydraulic transmission part holder 5 is respectively equipped with and hydraulic transmission part holding frame 6, two hydraulic transmission parts 3 are connected with a hydraulic transmission part holder 5 and a hydraulic transmission part holding frame 6 respectively on described two pieces of anchor ears are won in succession.
Described one piece of anchor ear win in succession 22 opposite side be provided with and be connected with bearing diagonal 23, one end of this bearing diagonal win in succession with described anchor ear be fixedly connected with, the other end is fixedly connected with described public anchor ear 20; The opposite side of winning in succession at another block anchor ear described is provided with and is connected with bearing diagonal 23, one end of this bearing diagonal win in succession with described anchor ear be fixedly connected with, the other end is fixedly connected with described female anchor ear 21.
Described pawl assembly is see Fig. 7, and described pawl assembly 4 comprises back tightening nut 43 that ratchet 40 coordinates with adjusting bolt upper end with the ratchet bearing 42 that the adjusting bolt 41 of click-fit is connected with adjusting bolt lower end, be located at torsionspring 44 between ratchet and adjusting bolt; Described back tightening nut 43 is provided with fastening bolt 45; Described in the bottom of described ratchet bearing 42, the force transfer end of hydraulic transmission part 3 is connected, and the lower end of described ratchet bearing 42 coordinates with the gathering sill 25 on described circular arc guide strip 24, and described ratchet 40 coordinates with the ratchet on described ring-type ratchet 1.The power that hydraulic transmission part provides by ratchet passes to ring-type ratchet, then provides moment of torsion by ring-type ratchet to fairlead, and the piston rod of hydraulic transmission part often stretches out once promotion ring-type ratchet and fairlead and rotates 30 °; Move reversal valve back and forth, fairlead is interrupted rotating in same direction, until be tightened or unscrew.Be rotated counterclockwise, then dismantle fairlead, turn clockwise, then fairlead is installed.The positive and negative each two pieces of torsionspring, provide twisting resistance to make ratchet be close to the ratchet of ring-type ratchet, when tearing fairlead open, bolt selects screw thread left-handed, and right-spiral selected by spring; During dress fairlead, bolt thread selects dextrorotation, and spring is selected left-handed.
Described hydraulic transmission part is see Fig. 8, the cylinder seat 31 that this hydraulic transmission part 3 comprises cylinder body 30, be fixedly connected with cylinder body one end, coordinate cylinder sleeve 32 with cylinder body other end inwall, the piston 34 be located in cylinder body, one end be connected the other end through cylinder sleeve and stretch out the piston rod 33 of cylinder body with piston, also comprise the oil-in 35 be located on described cylinder body one end, the oil-out 36 be located on described cylinder body the other end; Described oil-in is connected with one end of the oil-feed tee junction 75 of described control section by oil inlet pipe 77, and described oil-out is connected with one end of the oil return tee junction 76 of described control section by oil return pipe 78; Described piston rod 33 is connected with the ratchet bearing 42 of described pawl assembly, the upper end thereof of described cylinder seat 31 and described hydraulic transmission part holder 5.
Described hydraulic transmission part holding frame is see Fig. 9 and Figure 10, this hydraulic transmission part holding frame 6 comprises lower end and is fixedly connected on described anchor ear and wins in succession the inverted V-shaped crossbeam 63 that the V-shape base 60 on 22, the first pillar 61 being located at V-shape base upper one end, the second pillar 62 being located at the V-shape base top other end, the upper end thereof of one end and described first pillar, the other end be connected with the upper end of described second pillar by wing nut 64, described hydraulic transmission part 3 horizontally set, its cylinder body 30 is clamped between described V-shape base and inverted V-shaped crossbeam.
embodiment two:assembling hydraulic support column fairlead;
See Figure 11, this figure is the schematic diagram that the present invention assembles fairlead, and its operating process is identical with embodiment one.
embodiment three:dismantle little fairlead;
See Figure 12, when dismantling little fairlead 91, use ring-type ratchet 1 and long fixture block 11, little fairlead spanner 92(sleeve is had) in the outer surface cover of little fairlead, the slot fit of long fixture block and little fairlead spanner 92 excircle, little fairlead spanner coordinates with little fairlead, thus moment of torsion is passed to little fairlead spanner 92 by ring-type ratchet, then passes to little fairlead.
embodiment four:assemble little fairlead;
See Figure 13, this figure is the schematic diagram that the present invention assembles little fairlead, and its operating process is identical with embodiment three.
The present invention mainly contains following innovation:
(1) can dismantle assembling hydraulic package guide sleeve of stand column under ore deposit, more existing than market to tear cylinder dress cylinder apparatus open lightly easy, column need not be transported to aboveground dismounting from down-hole;
(2) the execution working portion of this device and control section, adopt longer flexible pipe to connect, working portion is designed to separate type, is convenient to a dead lift and installs;
(3) hydraulic system power source uses hydraulic power source on the mining face under mine of ore deposit, simplifies providing of power source.
Above-mentioned specific embodiment is not the restriction to protection domain, and obviously, those skilled in the art can carry out various change and distortion to the present invention and not depart from the technical scheme of substantive distinguishing features of the present invention, is all belong to protection scope of the present invention.
Claims (7)
1. for dismantling/assembling the device of hydraulic support column fairlead under mine, be made up of execution working portion and control section, it is characterized in that: described execution working portion comprises the hoop component (2) be engaged on hydraulic support column (80), the ratchet assembly coordinated with the fairlead (90) being threaded in hydraulic support column upper end, be located at the hydraulic transmission part (3) that two power transmission directions being connected on hoop component and with control section are contrary, respectively with two hydraulic transmission parts are connected and overlap the contrary pawl assembly in power transmission direction (4) with described ratchet assembly coordinates two,
Described ratchet assembly is made up of ring-type ratchet (1) and the long fixture block of multi-disc (11) be located in its inner circle or stub block (12), and the inner circle of described ring-type ratchet and the cylindrical of fairlead coordinate, and are provided with long fixture block or the stub block of multi-disc card between;
Described hoop component (2) comprises two pieces of anchor ears and wins (22) in succession; One end that one piece of anchor ear is won in succession is fixedly connected with public anchor ear (20), one end that another block anchor ear is won in succession is fixedly connected with female anchor ear (21), described male anchor ear (20) and female anchor ear (21) coordinate with described hydraulic support column (80), and are connected by threaded fastener; A circular arc guide strip (24) is connected in the side that two pieces of anchor ears are won in succession, circular arc guide strip is provided with gathering sill (25), the circular arc of the anterior side of described one piece of circular arc guide strip is fixedly connected with described male anchor ear, the circular arc of another side, block circular arc guide strip front portion is fixedly connected with described female anchor ear; On described two pieces of anchor ears are won in succession, be respectively equipped with hydraulic transmission part holder (5) and hydraulic transmission part holding frame (6), two hydraulic transmission parts are connected with a hydraulic transmission part holder (5) and a hydraulic transmission part holding frame (6) respectively.
2. the device for dismantling/assembling hydraulic support column fairlead under mine according to claim 1, it is characterized in that: described control section comprises hydraulic control valve seat (70), be located at the control stick (72) on hydraulic control valve seat and fluid proportion plate (71), be located at the pressure meter (73) on fluid proportion plate and reversal valve (74), the oil inlet pipe (77) be communicated with reversal valve and oil return pipe (78), the oil-feed tee junction (75) be communicated with oil inlet pipe, the oil return tee junction (76) be communicated with oil return pipe, the two ends of described oil-feed tee junction (75) are communicated with respectively by the oil-in of oil inlet pipe with described two hydraulic transmission parts (3), the two ends of described oil return tee junction (76) are communicated with respectively by the oil return opening of oil return pipe with described two hydraulic transmission parts (3).
3. according to claim 1 and 2 for dismantling under mine/device of assembling hydraulic support column fairlead, it is characterized in that: described pawl assembly (4) comprises ratchet (40), the adjusting bolt (41) with click-fit, the ratchet bearing (42) be connected with adjusting bolt lower end, the back tightening nut (43) coordinated with adjusting bolt upper end, is located at torsionspring (44) between ratchet and adjusting bolt; The bottom of described ratchet bearing (42) and the force transfer end of described hydraulic transmission part (3) are connected, the lower end of described ratchet bearing (42) coordinates with the gathering sill (25) on described circular arc guide strip (24), and described ratchet (40) coordinates with the ratchet on described ring-type ratchet (1).
4. the device for dismantling/assembling hydraulic support column fairlead under mine according to claim 1 and 2, it is characterized in that: on described public anchor ear (20), be provided with anti-rotation member (26), this anti-rotation member coordinates with a boss (81) of described hydraulic support column (80); Described female anchor ear (21) is also provided with anti-rotation member (26), and this anti-rotation member coordinates with another boss (81) of described hydraulic support column (80).
5. the device for dismantling/assembling hydraulic support column fairlead under mine according to claim 1 and 2, it is characterized in that: be provided be connected with bearing diagonal (23) at win in succession the opposite side of (22) of described one piece of anchor ear, one end of this bearing diagonal win in succession with described anchor ear be fixedly connected with, the other end is fixedly connected with described public anchor ear (20); The opposite side of winning in succession at another block anchor ear described is provided with and is connected with bearing diagonal (23), one end of this bearing diagonal win in succession with described anchor ear be fixedly connected with, the other end is fixedly connected with described female anchor ear (21).
6. the device for dismantling/assembling hydraulic support column fairlead under mine according to claim 1 and 2, it is characterized in that: described hydraulic pressure hydraulic transmission part (3) comprises cylinder body (30), the cylinder seat (31) that is fixedly connected with cylinder body one end, coordinate cylinder sleeve (32) with cylinder body other end inwall, the piston (34) be located in cylinder body, one end be connected the other end through cylinder sleeve and stretch out the piston rod (33) of cylinder body with piston, also comprise the oil-in (35) be located on described cylinder body one end, the oil-out (36) be located on described cylinder body the other end; Described oil-in is connected with one end of the oil-feed tee junction (75) of described control section by oil inlet pipe (77), and described oil-out is connected with one end of the oil return tee junction (76) of described control section by oil return pipe (78); Described piston rod (33) is connected with the bottom of the ratchet bearing (42) of described pawl assembly, the upper end thereof of described cylinder seat (31) and described hydraulic transmission part holder (5).
7. the device for dismantling/assembling hydraulic support column fairlead under mine according to claim 1 and 2, it is characterized in that: described hydraulic transmission part holding frame (6) comprises lower end and is fixedly connected on the V-shape base (60) that described anchor ear wins in succession on (22), be located at first pillar (61) of V-shape base upper one end, be located at second pillar (62) of the V-shape base top other end, the upper end thereof of one end and described first pillar, the inverted V-shaped crossbeam (63) that the other end is connected with the upper end of described second pillar by wing nut (64), described hydraulic pressure hydraulic transmission part (3) horizontally set, its cylinder body (30) is clamped between described V-shape base and inverted V-shaped crossbeam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410266435.0A CN104005780B (en) | 2014-06-16 | 2014-06-16 | For dismantling/assembling the device of hydraulic support column fairlead under mine |
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| CN201410266435.0A CN104005780B (en) | 2014-06-16 | 2014-06-16 | For dismantling/assembling the device of hydraulic support column fairlead under mine |
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| CN104005780B true CN104005780B (en) | 2016-03-30 |
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| CN106246854B (en) * | 2016-08-24 | 2018-08-17 | 四川科路控制工程有限公司 | Bidirectional ratchet hydraulic actuator and testing device of safety valve |
| CN108425693B (en) * | 2018-02-28 | 2019-05-17 | 中国矿业大学 | A kind of continuous setting prop pre-tightening apparatus of mechanical constant-resistance individual prop and method |
| CN109882219B (en) * | 2019-04-15 | 2024-02-27 | 辽宁鑫丰矿业（集团）有限公司 | Fully mechanized mining face retraction system |
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| CN201963321U (en) * | 2010-12-13 | 2011-09-07 | 中国神华能源股份有限公司 | Hydraulic bracket, upright post and guide sleeve assembly mechanism |
| CN202039875U (en) * | 2011-03-09 | 2011-11-16 | 铁法威跃矿山配件制造有限公司 | Special equipment for disassembling and assembling coal mine underground hydraulic support |
| CN102678140A (en) * | 2012-05-30 | 2012-09-19 | 山西东华机械有限公司 | Rotation device of hydraulic support retraction machine |
| CN202731950U (en) * | 2012-06-07 | 2013-02-13 | 山西沁新能源集团股份有限公司 | Large-scale multifunctional separating-installing machine |
| CN103470283A (en) * | 2013-08-26 | 2013-12-25 | 焦作欣扬程煤矿设备有限公司 | Novel upright assembling and disassembling device for upright columns of hydraulic support |
| CN203879520U (en) * | 2014-06-16 | 2014-10-15 | 重庆大江工业有限责任公司 | Device used for disassembling or assembling hydraulic support stand column guide sleeve underground |
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| Publication number | Publication date |
|---|---|
| CN104005780A (en) | 2014-08-27 |
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