CN208123162U - Monoblock type cylinder connecting device on hydraulic support - Google Patents
Monoblock type cylinder connecting device on hydraulic support Download PDFInfo
- Publication number
- CN208123162U CN208123162U CN201820571448.2U CN201820571448U CN208123162U CN 208123162 U CN208123162 U CN 208123162U CN 201820571448 U CN201820571448 U CN 201820571448U CN 208123162 U CN208123162 U CN 208123162U
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- China
- Prior art keywords
- cylinder
- piston
- piston rod
- hydraulic support
- cylinder barrel
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- Expired - Fee Related
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Abstract
The monoblock type cylinder connecting device that the utility model relates to a kind of on hydraulic support.Cylinder pedestal is equipped with including the hydraulic bracket of hydraulic support, cylinder pedestal is respectively arranged on the left side and the right side cylinder barrel, the cylinder barrel other end is equipped with cylinder cap, piston, piston rod are equipped in cylinder barrel, cylinder cover set is on the piston rod, piston is an integral structure with piston rod, it is equipped with and is withdrawn for fluid catheter in the centre bore of piston and piston rod, piston rod is connected by guide rod with corresponding side guard plate, cylinder pedestal and the cylinder barrel of the left and right sides withdraw and are welded into overall structure for fluid catheter, be respectively equipped on cylinder pedestal and two sides cylinder barrel inside the feed liquor interface and time liquid interface that be connected tos.The utility model is designed using monoblock type cylinder barrel double piston-rod, and it is equipped with and is withdrawn for fluid catheter inside cylinder barrel, constitute the design structure of double feed liquors, double back liquid, allow two piston rod left and right single movements, it can also move at the same time, make hydraulic support have the function of two sides side guard plate can expanding-contracting action, operate it is more flexible and convenient.
Description
Technical field
The utility model relates to underground coal mine support apparatus technical field, specifically a kind of entirety on hydraulic support
Formula cylinder connecting device.
Background technique
Hydraulic support is the support apparatus of underground coal mine comprehensive mining machinery coal working face, is ensureing working face in the pit coal mining
Operation, construction safety etc. play main function, and hydraulic support is generally divided into light-duty, medium-sized and has big by working resistance
The high-end hydraulic support of setting load and high working resistance, but in actual operation, existing high-end hydraulic support is in left and right work
When face is converted, needs first to go up well and switch side guard plate to ground, the reason is that traditional high-side hydraulic support is all that side is equipped with oil cylinder,
Can only side side guard plate with expanding-contracting action, can not be able to satisfy two sides side guard plate expanding-contracting action needs.
Utility model content
The utility model aims to solve the problem that the above problem, so that providing that one kind makes two sides side guard plate all and have can be with expanding-contracting action
The monoblock type cylinder connecting device of function being used on hydraulic support.
The utility model solves described problem, the technical solution adopted is that：
A kind of monoblock type cylinder connecting device on hydraulic support, including hydraulic support, the hydraulic support left and right sides
It is respectively arranged with side guard plate, cylinder pedestal is provided on hydraulic support, cylinder barrel, cylinder are respectively arranged at left and right sides of cylinder pedestal
The cylinder other end is provided with cylinder cap, piston, piston rod is provided in cylinder barrel, on the piston rod, piston is cylinder cover set with piston rod
Withdrawal is provided in the centre bore of integral structure, piston and piston rod for fluid catheter, piston rod passes through guide rod and corresponding side
Backplate connection, the cylinder barrel of cylinder pedestal and the left and right sides withdraw and are welded into overall structure for fluid catheter, set respectively on cylinder pedestal
It is equipped with and the feed liquor interface being connected to inside the cylinder barrel of two sides and time liquid interface.
The utility model by adopting the above technical scheme, compared with prior art, the feature protruded is：
1. changing the mentality of designing and action form of original hydraulic support single-piston rod, single cylinder cylinder, have hydraulic support
Have two sides side guard plate can expanding-contracting action function, this just gives the left and right working face upside-down mounting of high-end bracket to bring great convenience,
After being applied to high-end hydraulic support, it can be used in the left and right different working face in underground, solve common and high-end hydraulic support and exist
Left and right different operating face is switched in use, well is needed to switch the problem of side guard plate on the ground.
2. being designed using monoblock type cylinder barrel double piston-rod, and be equipped with and withdrawn for fluid catheter inside cylinder barrel, constitute double feed liquors,
The design structure of double back liquid allows two piston rod left and right single movements, can also move at the same time, operate more flexible side
Just.
Preferably, the further technical solution of the utility model is：
The head of piston rod is spherical structure, and guide rod is provided with the slot being adapted with the head of piston rod, piston
The head of bar is hinged by slot and guide rod, and the guide rod other end is fixedly connected by bolt with side guard plate, with traditional cylinder barrel
The integrated design of mandril is added to compare, the head of piston rod is not only convenient for disassembly and assembly using spherical structure and hinged with guide rod, and
And guide rod and piston rod have certain deflection angle, when hydraulic support work, oil cylinder can be made not made by lateral force and moment of flexure
With avoiding piston rods bend deformation and oil cylinder damage, solve common and high-end hydraulic support side guard plate side push oil cylinder
Lateral force is born at work, the problem of piston rods bend deformation, oil cylinder damage.But also hydraulic support maintenance effect can be improved
Rate reduces the cost of overhaul.
The middle part of cylinder pedestal is fixed on the top beam or caving shield medium position of hydraulic support by fixed screw, than tradition
Oil cylinder installation is dismantled more convenient, reduces installation space, compact-sized, adjusting range is big, solves traditional oil cylinder because of space
Deficiency can not install the problem of double oil cylinders.
Feed liquor interface and time liquid interface are detachable helicitic texture, and design is mounted on above cylinder pedestal, and oil cylinder is made to exist
The very convenient disassembly and installation in underground.
It is provided with piston seal component between piston and cylinder barrel, piston and withdraws for being provided with sealing cover between fluid catheter,
Sealing cover and withdrawal prevent the left and right working chamber of cylinder barrel from mutually ganging up, sealing cover peace for being provided with O-ring seal between fluid catheter
On piston, the retraction of piston rod ensure that.
It is respectively arranged with dustband, flower bud shape sealing ring and support ring between cylinder cap and piston rod, is set between cylinder cap and cylinder barrel
It is equipped with O-ring seal, support ring plays support guide to piston rod, and dustband is installed on cylinder cap, clears up piston rod surface coal dust.
Detailed description of the invention
Fig. 1 is the utility model embodiment schematic view of the front view；
Fig. 2 is the schematic view of the front view that the utility model embodiment monoblock type oil cylinder is connect with guide rod；
Fig. 3 is the schematic view of the front view of the utility model embodiment monoblock type oil cylinder；
Fig. 4 is the schematic view of the front view of the utility model embodiment guide rod；
Fig. 5 is the overlooking structure diagram of Fig. 4；
Fig. 6 is the side structure schematic view of Fig. 4；
In figure：Guide rod 1；Dustband 2；Flower bud shape sealing ring 3；Support ring 4；O-ring seal 5；Cylinder cap 6；Cylinder barrel 7；Piston rod
8；Piston 9；It withdraws for fluid catheter 10；Piston seal component 11；Feed liquor interface 12；Return liquid interface 13；Cylinder pedestal 14；Sealing cover
15；Slot 16；Side guard plate 17；Hydraulic support 18.
Specific embodiment：
Below with reference to embodiment, the utility model is described in further detail, and purpose, which is only that, more fully understands the utility model
Content, therefore, the cited case are not intended to limit the protection scope of the utility model.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of monoblock type cylinder connecting device on hydraulic support, packet
Hydraulic support 18 is included, side guard plate 17 is respectively arranged at left and right sides of hydraulic support 18, is provided with cylinder pedestal on hydraulic support 18
14, the left and right sides of cylinder pedestal 14 is respectively arranged with cylinder barrel 7, and 7 other end of cylinder barrel is provided with cylinder cap 6, is provided with work in cylinder barrel 7
9, piston rod 8 are filled in, cylinder cap 6 is sleeved on piston rod 8, and piston 9 is an integral structure with piston rod 8, piston 9 and piston rod 8
Withdrawal is provided in centre bore for fluid catheter 10, piston rod 8 is connected by guide rod 1 with corresponding side guard plate 17, cylinder pedestal 14
With the cylinder barrel 7 of the left and right sides, withdraw and be welded into overall structure for fluid catheter 10, be respectively arranged on cylinder pedestal 14 and two sides
The feed liquor interface 12 and time liquid interface 13 being connected to inside cylinder barrel 7.
The head of piston rod 8 is spherical structure, and 1 one end of guide rod is provided with the slot 16 being adapted with the head of piston rod 8,
The head of piston rod 8 is hinged by slot 16 and 1 one end of guide rod, and 1 other end of guide rod is fixedly connected by bolt with side guard plate 17,
Compared with the integrated design of traditional cylinder barrel 7 plus mandril, the head of piston rod 8 is using spherical structure and hinged with guide rod 1, no
It is only convenient for disassembly and assembly, and guide rod 1 and piston rod 8 have certain deflection angle, after the stretching of piston rod 8, guide rod 1 and piston rod 8
Deflection angle up to 5 °, when hydraulic support 18 work when, oil cylinder can be made by lateral force and Moment, not avoid piston rod
8 bending deformations and oil cylinder damage, solve the side push oil cylinder of common and high-end hydraulic support 18 side guard plate 17 at work
The problem of receiving lateral force, 8 bending deformation of piston rod, oil cylinder damage, but also the overhaul efficiency of hydraulic support 18 can be improved,
Reduce the cost of overhaul.
The middle part of cylinder pedestal 14 is fixed on the top beam or caving shield medium position of hydraulic support 18 by fixed screw, than
The installation of traditional oil cylinder is dismantled more convenient, reduces installation space, and compact-sized, adjusting range is big, solve traditional oil cylinder because
Insufficient space can not install the problem of double oil cylinders.
Feed liquor interface 12 and time liquid interface 13 are detachable helicitic texture, and design is mounted on above cylinder pedestal 14, are made
Oil cylinder is in the very convenient disassembly and installation in underground.
Piston seal component 11 is provided between piston 9 and cylinder barrel 7, piston 9 and withdrawal between fluid catheter 10 for being provided with
Sealing cover 15, sealing cover 15 and withdrawal prevent the left and right working chamber phase of cylinder barrel 7 for being provided with O-ring seal 5 between fluid catheter 10
It mutually gangs up, sealing cover 15 is mounted on piston 9, ensure that the retraction of piston rod 8.
Dustband 2, flower bud shape sealing ring 3 and support ring 4, cylinder cap 6 and cylinder barrel 7 are respectively arranged between cylinder cap 6 and piston rod 8
Between be provided with O-ring seal 5, support ring 4 plays support guide to piston rod 8, and dustband 2 is installed on cylinder cap 6, clears up piston rod
8 surface coal dusts.
The utility model changes the mentality of designing and action form of the single-piston rod of original hydraulic support 18, single cylinder cylinder,
Make hydraulic support 18 have the function of two sides side guard plate 17 can expanding-contracting action, this just gives the left and right working face of high-end bracket to fall
Dress brings great convenience, and after being applied to high-end hydraulic support 18, can use, solve in the left and right different working face in underground
Common and high-end hydraulic support 18 is switching left and right different operating face in use, upper well is needed to switch side guard plate 17 on the ground
Problem is designed using monoblock type cylinder barrel double piston-rod, and is equipped with and is withdrawn for fluid catheter 10 inside cylinder barrel 7, and double feed liquors, double are constituted
The design structure for returning liquid, allows two piston rods, 8 left and right single movement, can also move at the same time, and operation is more flexible and convenient,
The head of piston rod 8 is using spherical structure and hinged with guide rod 1, not only convenient for disassembly and assembly, but also guide rod 1 has with piston rod 8
Certain deflection angle avoids 8 bending deformation of piston rod and oil cylinder damage, solves common and high-end hydraulic support 18 side
The problem of side push oil cylinder of backplate 17 bears lateral force at work, and 8 bending deformation of piston rod, oil cylinder damage.
The above is only the preferred feasible embodiment of the utility model, not thereby limits to the power of the utility model
Sharp range, it is all with equivalence changes made by the utility model specification and its accompanying drawing content, it is both contained in the utility model
Within interest field.
Claims (6)
1. a kind of monoblock type cylinder connecting device on hydraulic support, including hydraulic support, the hydraulic support left and right sides point
It is not provided with side guard plate, it is characterised in that：It is provided with cylinder pedestal on hydraulic support, is respectively set at left and right sides of cylinder pedestal
Have cylinder barrel, the cylinder barrel other end is provided with cylinder cap, be provided with piston, piston rod in cylinder barrel, cylinder cover set on the piston rod, piston with
Piston rod is an integral structure, and withdrawal is provided in the centre bore of piston and piston rod for fluid catheter, piston rod by guide rod with
The cylinder barrel of the connection of corresponding side guard plate, cylinder pedestal and the left and right sides withdraws and is welded into overall structure, cylinder pedestal for fluid catheter
On be respectively arranged with and the cylinder barrel of two sides inside the feed liquor interface that be connected to and time liquid interface.
2. the monoblock type cylinder connecting device according to claim 1 on hydraulic support, it is characterised in that：Piston rod
Head be spherical structure, guide rod be provided with the head of piston rod be adapted slot, the head of piston rod passes through slot
Hole is hinged with guide rod, and the guide rod other end is fixedly connected by bolt with side guard plate.
3. the monoblock type cylinder connecting device according to claim 1 on hydraulic support, it is characterised in that：Oil cylinder bottom
The middle part of seat is fixed on the top beam or caving shield medium position of hydraulic support by fixed screw.
4. the monoblock type cylinder connecting device according to claim 1 on hydraulic support, special to be：Feed liquor connects
Mouth and time liquid interface are detachable helicitic texture.
5. the monoblock type cylinder connecting device according to claim 1 on hydraulic support, it is characterised in that：Piston with
It is provided with piston seal component, piston and withdrawal between cylinder barrel and is supplied for being provided with sealing cover, sealing cover and withdrawal between fluid catheter
O-ring seal is provided between fluid catheter.
6. the monoblock type cylinder connecting device according to claim 1 on hydraulic support, it is characterised in that：Cylinder cap with
It is respectively arranged with dustband, flower bud shape sealing ring and support ring between piston rod, O-ring seal is provided between cylinder cap and cylinder barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820571448.2U CN208123162U (en) | 2018-04-20 | 2018-04-20 | Monoblock type cylinder connecting device on hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820571448.2U CN208123162U (en) | 2018-04-20 | 2018-04-20 | Monoblock type cylinder connecting device on hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208123162U true CN208123162U (en) | 2018-11-20 |
Family
ID=64191061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820571448.2U Expired - Fee Related CN208123162U (en) | 2018-04-20 | 2018-04-20 | Monoblock type cylinder connecting device on hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208123162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302088A (en) * | 2018-04-20 | 2018-07-20 | 河北能源职业技术学院 | Monoblock type cylinder connecting device on hydraulic support |
-
2018
- 2018-04-20 CN CN201820571448.2U patent/CN208123162U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302088A (en) * | 2018-04-20 | 2018-07-20 | 河北能源职业技术学院 | Monoblock type cylinder connecting device on hydraulic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20210420 |