CN205927750U - Hydraulic support cylinder body detaching device - Google Patents
Hydraulic support cylinder body detaching device Download PDFInfo
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- CN205927750U CN205927750U CN201620789535.6U CN201620789535U CN205927750U CN 205927750 U CN205927750 U CN 205927750U CN 201620789535 U CN201620789535 U CN 201620789535U CN 205927750 U CN205927750 U CN 205927750U
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Abstract
The utility model discloses a hydraulic support cylinder body detaching device. Hydraulic support cylinder body detaching device including the surface set up the bar groove the hydro -cylinder support, have drawing of piston rod and drag the hydro -cylinder, be located the hydro -cylinder support with draw to drag and support the frame between the hydro -cylinder, be located support the frame with between hydro -cylinder support hydro -cylinder baffle, compress tightly and hydraulic assembly. Two trough rims in bar groove are connected with the fixed part respectively, the through -hole has been opened to the hydro -cylinder baffle, the radial dimension of through -hole is less than the radial dimension in bar groove, compress tightly with fixed part fixed connection, hydraulic assembly include with the lift cylinder that hydro -cylinder support lower part is connected, hydraulic assembly does lift cylinder and draw and drag the hydro -cylinder and provide power. Adopt the utility model discloses, through setting up hydraulic assembly, effectively reduced the dismantling efficiency time, reduce the operating cost, compress tightly the piece through the setting, guaranteed the security of dismantling the in -process.
Description
Technical field
This utility model is related to a kind of hydraulic support cylinder body disassembling apparatus.
Background technology
In recent years, developing rapidly with China's coal-mine production capacity, working face is more next in the face of the application of hydraulic support
Wider, setting load to hydraulic support and working resistance require increasing, its job security, reliability and economy relatively
Require also more and more higher, hydraulic support column is subject to the main load bearing component of roof pressure it is desirable to each cylinder body of hydraulic prop
There are strict sealing property and intensity with piston.In fully mechanized mining production process, each cylinder body of hydraulic prop and the action of piston are secondary
Number is many, and stress is big, when cylinder piston sealing, fairlead sealing or cylinder barrel abrasion can cause hydraulic support double-telescopic upright post when overproof
Do not reach working resistance, therefore need hydraulic support cylinder body is carried out disassembling maintenance.
In prior art, hydraulic support cylinder body is disassembled generally two methods.A kind of method, injects two using highly pressurised liquid
Two cylinder bodies to be separated are disassembled, due to industrial stream by the gap between individual cylinder body to be separated by the hydraulic coupling of highly pressurised liquid
Amount limits, and needs longer time using the method, and can waste a lot of emulsions；Another kind of method, fixing one of
Cylinder body, is fixedly connected another one cylinder body to be separated using overhead traveling crane, and overhead traveling crane provides drag force to separate two cylinder bodies to be dismantled, adopts
In this way, in detached moment, overhead traveling crane can produce larger waving, and there is very big potential safety hazard, easily cause accident.
In view of this, it is highly desirable to design a kind of hydraulic support cylinder body disassembling apparatus, to solve the above problems.
Utility model content
In view of this, this utility model provides a kind of hydraulic support cylinder body disassembling apparatus it is intended to reduce hydraulic support cylinder body
Disassembling the activity duration, reduce operating cost, ensureing the safety in unloading process, thus solving the deficiencies in the prior art simultaneously.
Hydraulic support cylinder body disassembling apparatus provided by the utility model include cylinder bracket, the surface of described cylinder bracket
Offer the bar-shaped trough of both ends open, two trough rims of described bar-shaped trough are connected to the first fixed part and the second fixed part,
Fixing hole is all offered on described first fixed part and described second fixed part；Pull oil cylinder, described pulling oil cylinder includes piston
Bar；Support vehicle frame, described support vehicle frame is located between described cylinder bracket and described pulling oil cylinder, described support vehicle frame includes propping up
Supporting table and the wheel being arranged on support frame as described above bottom that support is fixedly connected with support frame as described above top, described piston
The movable end of bar is overlapped in described supporting table, described wheel wheel direction of principal axis perpendicular to described piston rod axial direction；Oil
Cylinder baffle plate, described oil cylinder baffle plate is located between described support vehicle frame and described cylinder bracket, described oil cylinder baffle plate and described oil cylinder
Support is fixedly connected, and described oil cylinder baffle plate has through hole, the hole heart of described through hole, the axle center of described bar-shaped trough and described piston
The axle center of bar is coaxial, and the radial dimension of described through hole is less than the radial dimension of described bar-shaped trough；Compressing member, described compressing member includes
First connecting portion, second connecting portion and lock pin, described first connecting portion and described second connecting portion all offer connecting hole,
Connecting hole in described first connecting portion and the hinged fixation of fixing hole of described first fixed part, described lock pin passes through described second
Connecting hole on connecting portion and the fixing hole on described second fixed part；Hydraulic package, described hydraulic package include Hydraulic Station,
Reversal valve and hoist cylinder, the top of described hoist cylinder is fixedly connected with the bottom of described cylinder bracket, described lifting oil
Cylinder and described pulling oil cylinder are connected with described Hydraulic Station by described reversal valve respectively.
Further, described compressing member offers screwed hole, described screwed hole is located at described first connecting portion and described the
Between two connecting portions, perpendicular to the axle center of described piston rod, described compressing member also includes screw to the hole heart of described screwed hole, described
Screw is fixedly connected with described screwed hole.
Further, described hydraulic support cylinder body disassembling apparatus also include track, the bearing of trend of described track and described work
The axis direction of stopper rod is consistent, and described wheel is installed on described track.
Further, described oil cylinder baffle plate includes two movable ribs and gripper shoe, a plate face of described gripper shoe with
Described cylinder bracket is fixedly connected, and offers loose slot, the bottom peace of described loose slot between two plate faces of described gripper shoe
Equipped with sliding tray, two described activity ribs are installed in described sliding tray.
Further, described first connecting portion to described cylinder bracket lower surface distance less than on described compressing member be located at institute
State the part between first connecting portion and described second connecting portion to the lower surface distance of described cylinder bracket.
Further, described hydraulic package also includes telescopic oil cylinder, the head end of described telescopic oil cylinder and described cylinder bracket
Hinged, the tail end of described telescopic oil cylinder and described compressing member are located between described first connecting portion and described second connecting portion
Partly hinged fixation, described telescopic oil cylinder is connected with described Hydraulic Station by described reversal valve.
Further, described reversal valve is three position four-way directional control valve.
Further, two described hoist cylinders near described oil cylinder baffle plate are the first oil cylinder group, away from described oil cylinder gear
Two described hoist cylinders of plate are the second oil cylinder group, and described first oil cylinder group, described second oil cylinder group pass through described changing respectively
It is connected to valve with described Hydraulic Station.
Further, described hydraulic package also includes multiple hydraulic control one-way valves, and multiple described hydraulic control one-way valves are located at respectively
Between described first oil cylinder group, described second oil cylinder group and described pulling oil cylinder and described reversal valve.
Preferably, described hydraulic support cylinder body disassembling apparatus also include U-shaped ring, and described U-shaped ring and described piston rod are fixed
Connect.
Using this utility model hydraulic support cylinder body disassembling apparatus, by arranging hydraulic package, effectively reduce dismounting and make
The industry time, reduce operating cost；By arranging compressing member it is ensured that safety in unloading process.
Brief description
Preferred embodiment in the present invention will be described in detail by accompanying drawing below, it will help understand the purpose of the present invention and excellent
Point, wherein:
Fig. 1 is the preferred embodiment structural representation of this utility model hydraulic support cylinder body disassembling apparatus；
Fig. 2 is the structural representation at oil cylinder end to be dismantled in this utility model preferred embodiment；
Fig. 3 is this utility model preferred embodiment hydraulic schematic diagram.
Specific embodiment
With reference to embodiment, the present invention is described in detail.Wherein identical parts identical reference table
Show.It should be noted that word "front", "rear", "left", "right", "up" and "down" refer to accompanying drawing used in describing below
In direction, word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
Fig. 1 is the preferred embodiment structural representation of this utility model hydraulic support cylinder body disassembling apparatus, as shown in figure 1,
Hydraulic support cylinder body disassembling apparatus include：Cylinder bracket 1, pull oil cylinder 2, support vehicle frame 3, oil cylinder baffle plate 4, compressing member 5 and
Hydraulic package 6.
Fig. 2 is the structural representation at oil cylinder end to be dismantled in this utility model preferred embodiment, and Fig. 3 is that this utility model is excellent
Select embodiment hydraulic schematic diagram.As shown in Figure 1, Figure 2 and shown in Fig. 3, the surface of described cylinder bracket 1 offers the bar of both ends open
Shape groove 11, two trough rims of described bar-shaped trough 11 are connected to the first fixed part 12 and the second fixed part 13, and described first is solid
Determine all to offer fixing hole 14 on portion 12 and described second fixed part 13；Described pulling oil cylinder 2 includes piston rod 21；Described support
Vehicle frame 3 is located between described cylinder bracket 1 and described pulling oil cylinder 2, and described support vehicle frame 3 includes bracing frame 31 and described
Supporting table 32 and the wheel 33 being arranged on support frame as described above 31 bottom that support 31 top is fixedly connected, described piston rod 21
Movable end is overlapped in described supporting table 32, described wheel 33 wheel direction of principal axis perpendicular to described piston rod 21 axial direction；
Described oil cylinder baffle plate 4 is located between described support vehicle frame 3 and described cylinder bracket 1, described oil cylinder baffle plate 4 and described cylinder bracket
1 is fixedly connected, and described oil cylinder baffle plate 4 has a through hole 41, the hole heart of described through hole 41, the axle center of described bar-shaped trough 11 and described
The axle center of piston rod 21 is coaxial, and the radial dimension of described through hole 41 is less than the radial dimension of described bar-shaped trough 11；Described compressing member 5
Including first connecting portion 51, second connecting portion 52 and lock pin, described first connecting portion 51 is equal with described second connecting portion 52
Offer connecting hole, the hinged fixation of fixing hole 14 of the connecting hole in described first connecting portion 51 and described first fixed part 12,
Described lock pin passes through the connecting hole in described second connecting portion 52 and the fixing hole 14 on described second fixed part 13；Described liquid
Pressure assembly 6 includes hoist cylinder 61, Hydraulic Station 62 and reversal valve 63, the top of described hoist cylinder 61 and described cylinder bracket
1 bottom is fixedly connected, and described hoist cylinder 61 and described pulling oil cylinder 2 pass through described reversal valve 63 and described hydraulic pressure respectively
Stand 62 connection.
As shown in Figures 1 and 2, in installation process, described lock pin is taken off, separate described second connecting portion 52 and described
Second fixed part 13, the cylinder sleeve of hydraulic support cylinder body to be dismantled is fixedly mounted in described bar-shaped trough 11, hydraulic pressure to be dismantled props up
The column of frame cylinder body passes through described through hole 41, and the radial dimension of described through hole 41 is less than the radial dimension of described bar-shaped trough 11, treats
Disassemble the column of hydraulic support cylinder body and the step of cylinder body formation is connected in described through hole 41；It is subsequently mounted described compressing member 5, close
Close described second connecting portion 52, described lock pin is passed through connecting hole and described second fixed part in described second connecting portion 52
Fixing hole 14 on 13.
As shown in figure 1, the column of hydraulic support cylinder body to be dismantled is overlapped in described supporting table 32, described piston rod 21
Movable end be overlapped in described supporting table 32, be fixedly connected the work of the column disassembling hydraulic support cylinder body and described piston rod 21
Moved end.
As shown in Figures 1 and 2, the bottom of described cylinder bracket 1 is fixedly connected with the top of described hoist cylinder 61, described
Hoist cylinder 61 and described pulling oil cylinder 2 are connected with described Hydraulic Station 62 by described reversal valve 63 respectively.In work process
Need to keep the axle center of column of hydraulic support cylinder body to be dismantled coaxial with the axle center of described piston rod 21, described by being arranged on
The described hoist cylinder 61 of cylinder bracket 1 bottom adjusts the height of hydraulic support to be dismantled, keeps to be dismantled such that it is able to adjust
The axle center of the column of hydraulic support cylinder body is coaxial with the axle center of described piston rod 21.After the completion of regulation, described Hydraulic Station 62 is to institute
State pulling oil cylinder 2 fuel feeding, the cylinder body of hydraulic support cylinder body to be dismantled is connected in described through hole 41, hydraulic support cylinder body to be dismantled
Column moves with described pulling oil cylinder 2, completes to dismantle.
As shown in Figures 1 and 2, compared to existing technology, this utility model advantage is：By arranging hydraulic package 6, adopt
Hydraulic-driven power, effectively reduces the dismounting activity duration；Simultaneously as hydraulic package 6 has emulsifying oil circulating system, can be right
Oil emulsion is reclaimed, and reduces operating cost, improves work on the spot environment.The cylinder sleeve of hydraulic support cylinder body to be dismantled is solid
Dingan County is contained in described bar-shaped trough 11, and the column of hydraulic support cylinder body to be dismantled passes through described through hole 41, when in the course of the work
Carve keep hydraulic support cylinder body to be dismantled the axle center of column coaxial with the axle center of described piston rod 21 it is ensured that unloading process
In, time of releasing swing is less, and after separating, column is fixedly connected with described piston rod 21, is overlapped in described supporting table 32, from
And improve the safety of operation.
As shown in Figures 1 and 2, in this preferred embodiment, described compressing member 5 offers screwed hole, described screw thread hole position
Between described first connecting portion 51 and described second connecting portion 52, the hole heart of described screwed hole is perpendicular to described piston rod 21
Axle center, described compressing member 5 also includes screw 53, and described screw 53 is fixedly connected with described screwed hole.In installation process, will wait to tear open
After the step that the column of solution hydraulic support cylinder body is formed with cylinder body is connected in described through hole 41, screw in described screw 53, treat described
When the bottom of screw 53 is connected to the top of cylinder sleeve of hydraulic support cylinder body to be dismantled, tighten described screw 53.
Tighten the top of the cylinder sleeve of fixing hydraulic support cylinder body to be dismantled using described screw 53, improve further and disassemble
The safety of hydraulic support cylinder body operation, is effectively guaranteed the column of hydraulic support cylinder body to be dismantled in the course of the work simultaneously
Axle center moment of axle center and described piston rod 21 keep coaxial, reduce the difficulty disassembling operation.
As shown in figure 1, in an optional embodiment, described hydraulic support cylinder body disassembling apparatus also include track 7, institute
The bearing of trend stating track 7 is consistent with the axis direction of described piston rod 21, and described wheel 33 is installed on described track 7.If
Put described track 7 it is ensured that during disassembling the direction of described piston rod 21 motion and hydraulic support cylinder body to be dismantled column
Direction is consistent, it is to avoid occurs described support vehicle frame 3 to deviate disassembly direction during disassembling and leads to hydraulic support cylinder body to be dismantled
Column land, thus further enhancing the safety coefficient of operation.
As shown in Fig. 2 in an optional embodiment, described oil cylinder baffle plate 4 includes two movable ribs 42 and props up
Fagging 43, a plate face of described gripper shoe 43 is fixedly connected with described cylinder bracket 1, two plate faces of described gripper shoe 43 it
Between offer loose slot, the bottom of described loose slot is provided with sliding tray, two described activity ribs 42 be installed on described slip
In groove.Described activity rib 42 can be slided by described sliding tray, it is achieved thereby that the regulation of described through hole 41 pore size,
The diameter of the column according to different hydraulic support cylinder bodies to be dismantled, can adjust the aperture of described through hole 41, it is to avoid peace
Occur during dress because the diameter of the column of hydraulic support cylinder body to be dismantled is excessive or too small installing, improve the whole series
The suitability of device.
As shown in Fig. 2 in an optional embodiment, described first connecting portion 51 arrives the following table of described cylinder bracket 1
Identity distance is located at part between described first connecting portion 51 and described second connecting portion 52 to institute on less than described compressing member 5
State the lower surface distance of cylinder bracket 1.Described compressing member 5 adopts this design form, and the groove of formation has preferably coordinated to be treated
Disassemble the cylinder surface shape of hydraulic support cylinder body, it is more preferably convenient to install, and saves material, reduces the system of package unit
Cause this.
As shown in Figures 1 and 2, in this preferred embodiment, described hydraulic package 6 also includes telescopic oil cylinder 64, described flexible
The head end of oil cylinder 64 is hinged with described cylinder bracket 1, and the tail end of described telescopic oil cylinder 64 and described compressing member 5 are located at described the
Partly hinged fixation between one connecting portion 51 and described second connecting portion 52, described telescopic oil cylinder 64 passes through described reversal valve
63 are connected with described Hydraulic Station 62.Complete described second connecting portion 52 from telescopic oil cylinder 64 and described second fixed part 13 is pacified
Fill and separate, on the one hand save the activity duration；On the other hand fixation is safer, improves the safety of operation.
In an optional embodiment, the preferred three position four-way directional control valve of described reversal valve 63.From 3-position 4-way commutation
Valve can manually adjust the flow direction changing oil emulsion, easily realizes flexible, the lifting of Hydraulic Elements.Further enhance
The stability of equipment and ease for operation.
As shown in Figure 1, Figure 2, Figure 3 shows, in this preferred embodiment, near two described hoist cylinders of described oil cylinder baffle plate 4
61 is the first oil cylinder group 611, and two described hoist cylinders 61 away from described oil cylinder baffle plate 4 are the second oil cylinder group 612, described the
One oil cylinder group 611, described second oil cylinder group 612 are connected with described Hydraulic Station 62 by described reversal valve 63 respectively.From close
Two described hoist cylinders 61 of described oil cylinder baffle plate 4 are described first oil cylinder group 611, away from two of described oil cylinder baffle plate 4
Described hoist cylinder 61 can realize the linkage of described hoist cylinder 61 for described second oil cylinder group 612, and the moment ensure that described
Cylinder bracket 1 about equal it is only necessary to adjust described first oil cylinder group 611, described second oil cylinder group 612, just can realize treating
The axle center of column disassembling hydraulic support cylinder body is coaxial with the axle center of described piston rod 21, simplifies regulation process, operation is more
Convenient.
As shown in figure 3, in an optional embodiment, described hydraulic package 6 also includes multiple hydraulic control one-way valves 65, many
Individual described hydraulic control one-way valve 65 is located at described first oil cylinder group 611, described second oil cylinder group 612 and described pulling oil respectively
Between cylinder 2 and described reversal valve 63.From described hydraulic control one-way valve 65, breast can be realized by operating described hydraulic control one-way valve 65
Carburetion locked.In operating process, after completing to install, described hydraulic control one-way valve 65 can be operated to carry out locked operation, to be dismantled
After the completion of operation, open described hydraulic control one-way valve 65, recover package unit to original state.From hydraulic control one-way valve 65, permissible
Effectively prevent personnel's maloperation in operation process from leading to described hoist cylinder 61 or described telescopic oil cylinder 64 state change, occur
Dangerous.
As shown in Fig. 2 in this preferred embodiment, described hydraulic support cylinder body disassembling apparatus also include U-shaped ring 8, described U-shaped
Ring 8 is fixedly connected with the column of described piston rod 21 and hydraulic support cylinder body to be dismantled respectively.It is fixedly connected from U-shaped ring 8,
Price is more cheap, saves the manufacturing cost of described hydraulic support cylinder body disassembling apparatus, meanwhile, also ensure that described piston rod
21 and being reliably connected of column of hydraulic support cylinder body to be dismantled.
Using this utility model hydraulic support cylinder body disassembling apparatus, by arranging described hydraulic package 6, effectively reduce and tear open
Unload the activity duration, reduce operating cost；By arranging described compressing member 5 it is ensured that safety in unloading process；From described
Telescopic oil cylinder 64 completes described second connecting portion 52 and described second fixed part 13 is installed and separated, and on the one hand saves operation
Time；On the other hand fixation is safer, improves the safety of operation；From described hydraulic control one-way valve 65, can be effectively anti-
Only in operation process, personnel's maloperation leads to described hoist cylinder 61 or described telescopic oil cylinder 64 state change, causes danger.
Finally it should be noted that：Above example only in order to technical scheme to be described, is not intended to limit；Although
With reference to the foregoing embodiments the present invention is described in detail, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein some technical characteristics；
And these modifications or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of hydraulic support cylinder body disassembling apparatus are it is characterised in that include：
Cylinder bracket, the surface of described cylinder bracket offers the bar-shaped trough of both ends open, and two trough rims of described bar-shaped trough divide
It is not connected with the first fixed part and the second fixed part, described first fixed part and described second fixed part all offer fixation
Hole；
Pull oil cylinder, described pulling oil cylinder includes piston rod；
Support vehicle frame, described support vehicle frame is located between described cylinder bracket and described pulling oil cylinder, described support vehicle frame includes
Supporting table and the wheel being arranged on support frame as described above bottom that bracing frame is fixedly connected with support frame as described above top, described work
The movable end of stopper rod is overlapped in described supporting table, described wheel wheel direction of principal axis perpendicular to described piston rod axial direction；
Oil cylinder baffle plate, described oil cylinder baffle plate is located between described support vehicle frame and described cylinder bracket, described oil cylinder baffle plate and institute
State cylinder bracket to be fixedly connected, described oil cylinder baffle plate has through hole, the hole heart of described through hole, the axle center of described bar-shaped trough and institute
The axle center stating piston rod is coaxial, and the radial dimension of described through hole is less than the radial dimension of described bar-shaped trough；
Compressing member, described compressing member includes first connecting portion, second connecting portion and lock pin, described first connecting portion and described the
Connecting hole is all offered on two connecting portions, the connecting hole in described first connecting portion is hinged with the fixing hole of described first fixed part
Fixing, described lock pin passes through the connecting hole in described second connecting portion and the fixing hole on described second fixed part；
Hydraulic package, described hydraulic package includes Hydraulic Station, reversal valve and hoist cylinder, the top of described hoist cylinder and institute
The bottom stating cylinder bracket is fixedly connected, described hoist cylinder and described pulling oil cylinder pass through respectively described reversal valve with described
Hydraulic Station connects.
2. a kind of hydraulic support cylinder body disassembling apparatus according to claim 1 are it is characterised in that open up on described compressing member
There is screwed hole, described screwed hole is located between described first connecting portion and described second connecting portion, the hole heart of described screwed hole hangs down
Directly in the axle center of described piston rod, described compressing member also includes screw, and described screw is fixedly connected with described screwed hole.
3. a kind of hydraulic support cylinder body disassembling apparatus according to claim 1 are it is characterised in that described hydraulic support cylinder body
Disassembling apparatus also include track, and the bearing of trend of described track is consistent with the axis direction of described piston rod, and described wheel is installed
On described track.
4. a kind of hydraulic support cylinder body disassembling apparatus according to claim 1 are it is characterised in that described oil cylinder baffle plate includes
Two movable ribs and gripper shoe, a plate face of described gripper shoe is fixedly connected with described cylinder bracket, described gripper shoe
Two plate faces between offer loose slot, the bottom of described loose slot is provided with sliding tray, two described activity ribs install
In described sliding tray.
5. a kind of hydraulic support cylinder body disassembling apparatus according to claim 1 are it is characterised in that described first connecting portion arrives
The lower surface distance of described cylinder bracket less than on described compressing member be located at described first connecting portion and described second connecting portion
Between part to described cylinder bracket lower surface distance.
6. a kind of hydraulic support cylinder body disassembling apparatus according to claim 5 are it is characterised in that described hydraulic package also wraps
Include telescopic oil cylinder, the head end of described telescopic oil cylinder is hinged with described cylinder bracket, the tail end of described telescopic oil cylinder and described compression
Partly hinged fixation between described first connecting portion and described second connecting portion is located on part, described telescopic oil cylinder passes through institute
State reversal valve to be connected with described Hydraulic Station.
7. a kind of hydraulic support cylinder body disassembling apparatus according to claim 6 are it is characterised in that described reversal valve is three
Four-way change-over valve.
8. a kind of hydraulic support cylinder body disassembling apparatus according to claim 1 are it is characterised in that near described oil cylinder baffle plate
Two described hoist cylinders be the first oil cylinder group, away from described oil cylinder baffle plate two described hoist cylinders be the second oil cylinder
Group, described first oil cylinder group, described second oil cylinder group are connected with described Hydraulic Station by described reversal valve respectively.
9. a kind of hydraulic support cylinder body disassembling apparatus according to claim 8 are it is characterised in that described hydraulic package also wraps
Include multiple hydraulic control one-way valves, multiple described hydraulic control one-way valves respectively be located at described first oil cylinder group, described second oil cylinder group and
Between described pulling oil cylinder and described reversal valve.
10. a kind of hydraulic support cylinder body disassembling apparatus according to any one of claim 1-9 claim, its feature exists
In described hydraulic support cylinder body disassembling apparatus also include U-shaped ring, and described U-shaped ring is fixedly connected with described piston rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620789535.6U CN205927750U (en) | 2016-07-25 | 2016-07-25 | Hydraulic support cylinder body detaching device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620789535.6U CN205927750U (en) | 2016-07-25 | 2016-07-25 | Hydraulic support cylinder body detaching device |
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