CN106121691A - A kind of two-way changer of oil cylinder - Google Patents
A kind of two-way changer of oil cylinder Download PDFInfo
- Publication number
- CN106121691A CN106121691A CN201610758408.4A CN201610758408A CN106121691A CN 106121691 A CN106121691 A CN 106121691A CN 201610758408 A CN201610758408 A CN 201610758408A CN 106121691 A CN106121691 A CN 106121691A
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- ratchet
- oil cylinder
- jack
- fixing
- dismounted
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- 230000003028 elevating effect Effects 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/60—Devices for withdrawing props or chocks
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Actuator (AREA)
Abstract
The present invention relates to a kind of two-way changer of oil cylinder, including base, guide way, slewing equipment, bracing frame, fixing device, upper gliding mass and actuating unit, being provided with torsion device in bracing frame, torsion device includes disk, ratchet I, ratchet I, reverses jack and spanner；Slewing equipment includes shutter housing, ratchet II, fixed cover, ratchet II and spacing jack；It is provided with elevating mechanism outside guide way and bracing frame；Pressure jack is set in the middle part of upper gliding mass, until dismounting oil cylinder sequentially pass through fixing device and torsion device after by down pressure jack and shutter housing fix, then moved by actuating unit driving pawl II and torsion device is fixed or by torsion device reverse jack motion and slewing equipment fix with the two-way dismounting realizing oil cylinder to be dismounted；Two-way changer of the present invention, two-way dismounting, simple in construction, reasonable in design, easy and simple to handle, versatility is good, improves work efficiency, uses manpower and material resources sparingly, and saves entreprise cost.
Description
Technical field
The present invention relates to the disassemblerassembler technical field of a kind of column, particularly relate to a kind of two-way changer of oil cylinder.
Background technology
Hydraulic support is the support apparatus that comprehensive mechanized coal mining industry is conventional, and its security and stability directly affects the effect produced
Rate, but the environment of that humidity in down-hole, easily there is corrosion, affect hydraulic pressure in the device such as the column of hydraulic support, jack
The operation of support, and then affect work efficiency, need during maintenance oil cylinder is dismounted, but conventional maintenance of equipment mostly is sleeping
Formula, in disassembly process, owing to center is difficult to centering, easily causes sealing member to damage, causes unnecessary loss, it is impossible to meets and sets
The progress of standby maintenance, and the column of hydraulic support and jack weight are greatly, maintenance is difficult to, and the hydraulic pressure used in the middle of coal mining process props up
The model of frame is more, especially high working face hydraulic support, and the column of different model, jack generally require the dress cylinder of different size
Machine specification, increases maintenance cost, and conventional disassemblerassembler, usually a direction dismounting, and direction is single, for corrosion
Serious column, dismounting is difficult to, and easily causes oil cylinder to slide in a device, and maintenance difficult wastes manpower and materials.
Summary of the invention
In order to solve above-mentioned dismounting direction single, dismounting difficulty, be difficult to, to medium problem, the purpose of the present invention is to propose to one
Kind of the two-way changer of oil cylinder, according to practical situation, two-way dismounts, simple in construction, reasonable in design, easy and simple to handle, general
Property is good, improve work efficiency, save manpower and materials, save entreprise cost.
The present invention is to solve that the technical scheme that the problems referred to above are taked is: a kind of two-way changer of oil cylinder, the end of including
Seat, it is fixedly installed on the guide way of base upper surface, the slewing equipment being slidably arranged in guide way, is fixedly installed on guide way
The bracing frame of upper surface, be arranged on bracing frame in fixing oil cylinder to be dismounted fixing device, be slidably arranged in above bracing frame
Upper gliding mass controls, with being arranged on chassis interior, the actuating unit that slewing equipment runs, and is provided with and controls to wait to tear open in described bracing frame
The torsion device of charge of oil cylinder dismounting, torsion device includes disk, the ratchet I being fastened on disk central authorities, limits ratchet I traffic direction
Ratchet I, control reversing jack and being fastened on the spanner of ratchet I oil cylinder to be dismounted fixed above of ratchet I motion；Described
Slewing equipment includes shutter housing, is arranged on the ratchet II in the middle part of shutter housing, is arranged in the middle part of ratchet II and fixing to treat dismounting oil
The fixed cover in cylinder bottom portion, the ratchet II limiting ratchet II traffic direction and the spacing jack of restriction ratchet II position；Guide
The elevating mechanism driving shutter housing to move up and down it is provided with outside body and bracing frame；Arrange down in the middle part of upper gliding mass and press jack,
After dismounting oil cylinder sequentially passes through the through hole in the middle part of fixing device and torsion device up and down two ends respectively by pressure jack down and
Shutter housing is fixed, then is moved by actuating unit driving pawl II and torsion device is fixed or by the torsion thousand of torsion device
Jin pushes up relative motion and slewing equipment is fixing with the two-way dismounting realizing oil cylinder to be dismounted；
The torsion jack of described torsion device is arranged on outside ratchet I, and the one end reversing jack is hinged with bracing frame, another
End is hinged in the chuck being arranged on disk, and ratchet I is fixed above arranges fixing post, and spanner is connected on fixing post, with solid
Oil cylinder to be dismounted；Being hinged on disk in the middle part of ratchet I, one end is fixed on disk by spring, and fixed by spring
Being provided with the spacing preiection matched with ratchet I on one end, Spring driving spacing preiection is fastened in the teeth groove of ratchet I to limit
The torsional direction of oil cylinder to be dismounted, reverses jack by driving disk rotational to drive ratchet I to rotate, and then drives spanner band
Dynamic cylinder movement to be dismounted realizes reversing；
Spacing jack one end of described slewing equipment is hinged on shutter housing, and the other end is hinged with one end of ratchet II,
The middle part of ratchet II is hinged on shutter housing, and the other end of ratchet II arranges the spacing preiection II matched with ratchet II, limit
Position jack drives spacing preiection II to be fastened in the teeth groove of ratchet II to limit the torsional direction of oil cylinder to be dismounted；
Described actuating unit is the power take-off mechanism that power supply and motor are constituted, and motor is fixed in base, and the turning of motor
Axle is fixed with fixed cover to be connected and is driven oil cylinder to be dismounted to rotate to realize dismounting；
Described upper gliding mass is slidably connected with bracing frame by carriage, and carriage includes being disposed longitudinally on gliding mass bottom surface
Two row's sliding axles, be horizontally installed on gliding mass bottom push rod, live post be connected with decussation in the middle part of push rod traversing very heavy
Pushing up and the fixing bar of fixing traversing jack, and fixing bar is fixed with bracing frame and is connected, sliding axle is fixing with bracing frame to be connected, horizontal
Shifting jack reciprocatingly slides before and after driving upper gliding mass on sliding axle by push rod so that pressing down the post alive of jack to be fixed on and treating
On dismounting oil cylinder upper surface；
Described fixing device includes a rotary clip, and rotary clip is made up of two the arc fixed blocks being oppositely arranged, arc
Between fixed block fixed by snap, the protruding end of fixed block is hinged with bracing frame, is further fixedly arranged on rubber bodies in fixed block
To fasten oil cylinder to be dismounted；
Described elevating mechanism includes being fixedly installed on the lifting jack of bracing frame both sides and being fixed on the axle of guide way both sides
Set, the post alive of lifting jack is fixed on shutter housing through axle sleeve, to move slewing equipment in guide way by cornice of living
Pump, to dismount the oil cylinder to be dismounted of different length.
Beneficial effects of the present invention:
1, the present invention is driven by motor below slewing equipment and torsion device, and slewing equipment by arranging so that during dismounting,
Both then can be driven back to rotary device by motor drove oil cylinder to be dismounted by the fixing oil cylinder upper part to be dismounted of torsion device
Rotate and realize dismounting, it is also possible to be bottom the fixing oil cylinder to be dismounted of slewing equipment, then very heavy by the torsion of torsion device
Top and spanner cooperation drive oil cylinder to be dismounted to rotate, it is achieved the dismounting of the oil cylinder to be dismounted of difficult dismounting, reduce hand labor strong
Degree, can adjust the size of moment of torsion as required, and dynamics is uniform, reaches the purpose of two-way dismounting, achieves easy and simple to handle, saving people
Power material resources, the work efficiency that improves, the beneficial effect of saving entreprise cost.
2, the present invention is by being arranged to vertical by oil cylinder changer so that oil cylinder to be dismounted clamps more in disassembly process
Stable and convenient to operate, meanwhile, solve the problem that the center of horizontal oil cylinder changer misaligns so that oil cylinder to be dismounted exists
In disassembly process, axis of symmetry remains on same straight line, effectively prevents sealing member from damaging, and achieves saving manpower thing
Power, save the beneficial effect of entreprise cost.
3, the present invention is by arranging fixing device, and the size of fixing device is adjustable, with elevating mechanism with the use of, can fit
For the oil cylinder to be dismounted of different size, also set up ratchet I, spacing jack, spring and ratchet II simultaneously, effective restriction
The position of oil cylinder to be dismounted, prevents oil cylinder to be dismounted from taking a turn for the worse in disassembly process, achieve simple in construction, reasonable in design,
Versatility is good, improve work efficiency, saves the beneficial effect of entreprise cost.
4, the present invention is by arranging carriage so that in time dismounting oil cylinder in dismounting, and upper gliding mass slide anteroposterior is conveniently treated
Dismounting oil cylinder is inserted from attaching/detaching apparatus or takes out, and according to the oil cylinder to be dismounted of different size, the position of gliding mass in scalable
Put so that down pressure jack be coaxially disposed with oil cylinder dismount all the time, stationarity is good, achieve versatility good, improve work imitate
Rate, saves the beneficial effect of entreprise cost.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention；
Fig. 2 is the left view structural representation of the present invention；
Fig. 3 is that the master of the present invention cuts open structural representation；
Fig. 4 is the plan structure schematic diagram of the present invention；
Fig. 5 is the structural representation of the torsion device of the present invention；
Fig. 6 is the structural representation of the slewing equipment of the present invention；
Labelling in figure: 1, base, 2, guide way, 3, slewing equipment, 301, shutter housing, 302, ratchet II, 303, fixed cover,
304, ratchet II, 305, spacing jack, 4, bracing frame, 5, fixing device, 501, rotary clip, 6, upper gliding mass, 7, reverse dress
Put, 701, ratchet I, 702, ratchet I, 703, reverse jack, 704, spanner, 705, spring, 706, disk, 707, fixing post,
8, elevating mechanism, 801, lifting jack, 802, axle sleeve, 9, press jack down, 10, carriage, 1001, sliding axle, 1002,
Push rod, 1003, traversing jack, 1004, fixing bar, 11, motor.
Detailed description of the invention
Elaborating the present invention with specific embodiment below in conjunction with the accompanying drawings, the present embodiment with technical solution of the present invention is
Premise, gives detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following enforcement
Example.
As described in Figure, the present invention is a kind of two-way changer of oil cylinder, including base 1, is fixedly installed on base 1 upper surface
Guide way 2, the slewing equipment 3 being slidably arranged in guide way 2, be fixedly installed on the bracing frame 4 of guide way 2 upper surface, set
Put in bracing frame 4, fix the fixing device 5 of oil cylinder to be dismounted, be slidably arranged in the upper gliding mass 6 above bracing frame 4 and be arranged on
The actuating unit that base 1 internal control slewing equipment 3 runs, is provided with in described bracing frame 4 and controls oil cylinder to be dismounted dismounting
Torsion device 7, torsion device 7 include disk 706, the ratchet I 701 being fastened on disk 706 central authorities, limit ratchet I 701 run
The ratchet I 702 in direction, control the torsion jack 703 of ratchet I 701 motion and be fastened on fixed above the waiting of ratchet I 701 and dismount
The spanner 704 of oil cylinder；Described slewing equipment 3 includes shutter housing 301, is arranged on the ratchet II in the middle part of shutter housing 301
302, the fixed cover 303 bottom fixing oil cylinder dismount, restriction ratchet II 302 traffic direction it are arranged in the middle part of ratchet II 302
Ratchet II 304 and the spacing jack 305 of restriction ratchet II 304 position；It is provided with drive outside guide way 2 and bracing frame 4
The elevating mechanism 8 that shutter housing 301 moves up and down；Arranging down pressure jack 9 in the middle part of upper gliding mass 6, oil cylinder to be dismounted sequentially passes through
After through hole in the middle part of fixing device 5 and torsion device 7, upper and lower two ends are fixed by pressure jack 9 down and shutter housing 301 respectively,
By actuating unit driving pawl II 302 motion, torsion device 7 is fixed or by the torsion jack 703 of torsion device 7 again
Relative motion and slewing equipment 3 is fixing to realize the two-way dismounting of oil cylinder dismount, improve work efficiency, save enterprise's one-tenth
This.
It is more than the basic embodiment of the present invention, can further be improved, optimize and limit on the basis of above
Fixed:
: as described in the torsion jack 703 of torsion device 7 be arranged on outside ratchet I 701, reverse jack 703 and may be configured as many
Individual, as long as disk 706 can be driven stably to reverse, the one end reversing jack 703 is hinged with bracing frame 4, and the other end cuts with scissors
Being connected in the chuck being arranged on disk 706, ratchet I 701 is fixed above arranges fixing post 707, and spanner 704 is connected to fixing post
On 707, with fixing oil cylinder to be dismounted；Being hinged in the middle part of ratchet I 702 on disk 706, one end is fixed on disk by spring 705
On 706, and by being provided with, on the fixing one end of spring 705, the spacing preiection matched with ratchet I 701, spring 705 drives limit
Position is protruding to be fastened in the teeth groove of ratchet I 701 to limit the torsional direction of oil cylinder to be dismounted, and ratchet I 701 is fixed with disk 706
Connect, reverse jack 703 and rotate to drive ratchet I 701 to rotate by driving disk 706, and then drive spanner 704 drive to treat
Dismounting cylinder movement realizes reversing, and can adjust the size of moment of torsion as required, and dynamics is uniform, easy and simple to handle, save manpower thing
Power, improve work efficiency, save entreprise cost.
And for example: spacing jack 305 one end of described slewing equipment 3 is hinged on shutter housing 301, the other end and spine
One end of pawl II 304 is hinged, and the middle part of ratchet II 304 is hinged on shutter housing 301, the other end of ratchet II 304 arrange with
The spacing preiection II that ratchet II 302 matches, spacing jack 305 drives the teeth groove that spacing preiection II is fastened on ratchet II 302
In to limit the torsional direction of oil cylinder to be dismounted, prevent from reversing, dismounting efficiency high.
And for example: described actuating unit is power supply and the power take-off mechanism of motor 11 composition, and motor 11 is fixed on base 1
In, and the rotating shaft of motor 11 fix with fixed cover 303 be connected drive oil cylinder dismount rotate with realizes dismount, dismount efficiency height,
Save manpower and materials, save entreprise cost.
And for example: described upper gliding mass 6 is slidably connected with bracing frame 4 by carriage 10, and carriage 10 includes longitudinal direction
The two row's sliding axles 1001 being arranged on gliding mass 6 bottom surface, the push rod 1002 being horizontally installed on gliding mass 6 bottom, live post and push rod
The traversing jack 1003 that in the middle part of in the of 1002, decussation connects and the fixing bar 1004 fixing traversing jack 1003, and fixing bar
1004 fixing with bracing frame 4 are connected, and sliding axle 1001 is fixed with bracing frame 4 and is connected, and traversing jack 1003 passes through push rod 1002
Reciprocatingly slide before and after in driving, gliding mass 6 is on sliding axle 1001 so that the post alive of pressure jack 9 is fixed on oil cylinder to be dismounted down
On surface so that oil cylinder to be dismounted is in disassembly process, and axis of symmetry remains on same straight line, effectively prevent from sealing
Part damages, and saves manpower and materials, increases dismounting efficiency.
And for example: described fixing device 5 includes a rotary clip 501, rotary clip 501 is by two arcs being oppositely arranged
Fixed block is constituted, and fixed by snap between arc fixed block, the protruding end of fixed block is hinged with bracing frame 4, in fixed block also
Being fixedly installed rubber bodies to fasten oil cylinder to be dismounted, versatility is good, improve work efficiency.
And for example: described elevating mechanism 8 includes the lifting jack 801 being fixedly installed on bracing frame 4 both sides and is fixed on
The axle sleeve 802 of guide way 2 both sides, the post alive of lifting jack 801 is fixed on shutter housing 301 through axle sleeve 802, to pass through
Cornice of living moves slewing equipment 3 and pumps in guide way 2, to dismount the oil cylinder to be dismounted of different length, versatility is good,
Increase dismounting efficiency.
The present invention in use, selects suitable spanner 704 according to the specification of oil cylinder to be dismounted, is slided into by upper gliding mass 6
Changer side, then by oil cylinder to be dismounted is sequentially passed through fixing device 5 by hoisting machine, torsion device 7 is placed on dismounting
On slewing equipment 3 in machine, will be fixed on fixed cover 303 bottom oil cylinder to be dismounted, then upper gliding mass 6 be slided into changer
Middle part, adjusts lifting jack 801 and makes oil cylinder to be dismounted be in suitable position, fastens rotary clip 501 and fixes, presses down very heavy
The upper surface of the fixing oil cylinder to be dismounted in top 9, then moves by actuating unit driving pawl II 302 according to the situation of oil cylinder to be dismounted
And torsion device 7 is fixing or slewing equipment 3 is fixed to realize by torsion jack 703 relative motion of torsion device 7
The dismounting of oil cylinder to be dismounted.
Claims (7)
1. the two-way changer of oil cylinder, the guide way (2) including base (1), being fixedly installed on base (1) upper surface, cunning
Dynamic be arranged in guide way (2) slewing equipment (3), the bracing frame (4) being fixedly installed on guide way (2) upper surface, be arranged on
Fix the fixing device (5) of oil cylinder to be dismounted in bracing frame (4), be slidably arranged in the upper gliding mass (6) of bracing frame (4) top and set
Put the actuating unit run at base (1) internal control slewing equipment (3), it is characterised in that: arrange in described bracing frame (4)
Having the torsion device (7) controlling oil cylinder to be dismounted dismounting, torsion device (7) includes disk (706), is fastened in disk (706)
The torsion thousand that the ratchet I (701) of centre, the ratchet I (702) of restriction ratchet I (701) traffic direction, control ratchet I (701) move
Jin pushes up (703) and is fastened on the spanner (704) of ratchet I (701) oil cylinder to be dismounted fixed above；Described slewing equipment (3) bag
Include shutter housing (301), be arranged on the ratchet II (302) at shutter housing (301) middle part, to be arranged on ratchet II (302) middle part solid
Fixed cover (303) bottom oil cylinder to be dismounted, the ratchet II (304) limiting ratchet II (302) traffic direction and restriction spine
The spacing jack (305) of pawl II (304) position；Guide way (2) and bracing frame (4) outside are provided with drive shutter housing
(301) elevating mechanism (8) moved up and down；Upper gliding mass (6) middle part is arranged down presses jack (9), and oil cylinder to be dismounted sequentially passes through
After the through hole at fixing device (5) and torsion device (7) middle part, jack (9) and shutter housing are pressed under passing through respectively in two ends up and down
(301) fixing, then by actuating unit driving pawl II (302) motion, torsion device (7) is fixing or passes through torsion device (7)
Torsion jack (703) relative motion and slewing equipment (3) is fixing with the two-way dismounting realizing oil cylinder to be dismounted.
2. a kind of two-way changer of oil cylinder as claimed in claim 1, it is characterised in that: the torsion of described torsion device (7)
Jack (703) is arranged on ratchet I (701) outside, and the one end reversing jack (703) is hinged with bracing frame (4), and the other end cuts with scissors
It is connected in the chuck being arranged on disk (706), ratchet I (701) the fixing post (707) that arranges fixed above, spanner (704) clamping
On fixing post (707), with fixing oil cylinder to be dismounted；Ratchet I (702) middle part is hinged on disk (706), and spring is passed through in one end
(705) it is fixed on disk (706), and matches with ratchet I (701) by being provided with on the fixing one end of spring (705)
Spacing preiection, spring (705) drives spacing preiection to be fastened in the teeth groove of ratchet I (701) to limit the torsion of oil cylinder to be dismounted
Direction, reverses jack (703) and rotates with drive ratchet I (701) by driving disk (706) to rotate, and then drive spanner
(704) cylinder movement to be dismounted is driven to realize reversing.
3. a kind of two-way changer of oil cylinder as claimed in claim 1, it is characterised in that: the limit of described slewing equipment (3)
Jack (305) one end, position is hinged on shutter housing (301), and the other end is hinged with one end of ratchet II (304), ratchet II
(304) middle part is hinged on shutter housing (301), and other end setting and the ratchet II (302) of ratchet II (304) matches
Spacing preiection II, spacing jack (305) drives spacing preiection II to be fastened in the teeth groove of ratchet II (302) and waits to dismount to limit
The torsional direction of oil cylinder.
4. the two-way changer of oil cylinder as claimed in claim 1 a kind of, it is characterised in that: described actuating unit be power supply with
The power take-off mechanism that motor (11) is constituted, in motor (11) is fixed on base (1), and the rotating shaft of motor (11) and fixed cover
(303) fixing connection drives oil cylinder to be dismounted to rotate to realize dismounting.
5. a kind of two-way changer of oil cylinder as claimed in claim 1, it is characterised in that: described upper gliding mass (6) is by sliding
Dynamic device (10) is slidably connected with bracing frame (4), and carriage (10) includes that two rows being disposed longitudinally on gliding mass (6) bottom surface are sliding
Moving axis (1001), it is horizontally installed on the push rod (1002) of gliding mass (6) bottom, lives post and push rod (1002) middle part decussation even
The traversing jack (1003) that connects and the fixing bar (1004) of fixing traversing jack (1003), and fixing bar (1004) with support
Frame (4) is fixing to be connected, and sliding axle (1001) is fixing with bracing frame (4) to be connected, and traversing jack (1003) passes through push rod (1002)
In driving, gliding mass (6) front and back reciprocatingly slides so that pressing down the post alive of jack (9) to be fixed on and waiting to dismount on sliding axle (1001)
On oil cylinder upper surface.
6. a kind of two-way changer of oil cylinder as claimed in claim 1, it is characterised in that: described fixing device (5) includes
One rotary clip (501), rotary clip (501) is made up of two the arc fixed blocks being oppositely arranged, logical between arc fixed block
Crossing buckle to fix, the protruding end of fixed block is hinged with bracing frame (4), is further fixedly arranged on rubber bodies and waits to tear open to fasten in fixed block
Charge of oil cylinder.
7. a kind of two-way changer of oil cylinder as claimed in claim 1, it is characterised in that: described elevating mechanism (8) includes
It is fixedly installed on the lifting jack (801) of bracing frame (4) both sides and is fixed on the axle sleeve (802) of guide way (2) both sides, lifting
The post alive of jack (801) is fixed on shutter housing (301) through axle sleeve (802), to move slewing equipment (3) by cornice of living
Pump in guide way (2), to dismount the oil cylinder to be dismounted of different length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758408.4A CN106121691B (en) | 2016-08-30 | 2016-08-30 | A kind of two-way changer of oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758408.4A CN106121691B (en) | 2016-08-30 | 2016-08-30 | A kind of two-way changer of oil cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106121691A true CN106121691A (en) | 2016-11-16 |
| CN106121691B CN106121691B (en) | 2018-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610758408.4A Active CN106121691B (en) | 2016-08-30 | 2016-08-30 | A kind of two-way changer of oil cylinder |
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| Country | Link |
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| CN (1) | CN106121691B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833548A (en) * | 2022-05-25 | 2022-08-02 | 枣庄矿业(集团)付村煤业有限公司 | Vertical belt feeder cylinder dismouting machine |
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| CN206071619U (en) * | 2016-08-30 | 2017-04-05 | 平煤神马机械装备集团河南矿机有限公司 | A kind of two-way changer of oil cylinder |
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2016
- 2016-08-30 CN CN201610758408.4A patent/CN106121691B/en active Active
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|---|---|---|---|---|
| CN2096642U (en) * | 1990-05-29 | 1992-02-19 | 鸡西市煤矿支护设备厂 | Prop dismounting machine for single hydraulic prop |
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| CN2652583Y (en) * | 2003-10-15 | 2004-11-03 | 陈国栋 | Hydraulic cylinder dismantling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114833548A (en) * | 2022-05-25 | 2022-08-02 | 枣庄矿业(集团)付村煤业有限公司 | Vertical belt feeder cylinder dismouting machine |
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| Publication number | Publication date |
|---|---|
| CN106121691B (en) | 2018-07-17 |
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