CN108302088A - Monoblock type cylinder connecting device on hydraulic support - Google Patents
Monoblock type cylinder connecting device on hydraulic support Download PDFInfo
- Publication number
- CN108302088A CN108302088A CN201810360618.7A CN201810360618A CN108302088A CN 108302088 A CN108302088 A CN 108302088A CN 201810360618 A CN201810360618 A CN 201810360618A CN 108302088 A CN108302088 A CN 108302088A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- piston rod
- piston
- hydraulic support
- cylinder barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1438—Cylinder to end cap assemblies
- F15B15/1442—End cap sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The present invention relates to a kind of monoblock type cylinder connecting devices on hydraulic support.It is equipped with cylinder pedestal including hydraulic support hydraulic pressure holder, 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 both sides cylinder barrel inside be connected into liquid interface and time liquid interface.The present invention is designed using monoblock type cylinder barrel double piston-rod, and withdrawal is internally provided with for fluid catheter in 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 act simultaneously, make hydraulic support have the function of both sides side guard plate can expanding-contracting action, operation it is more flexible and convenient.
Description
Technical field
The present invention relates to underground coal mine support apparatus technical field, specifically a kind of monoblock type oil on hydraulic support
Cylinder attachment device.
Background technology
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, well on first is needed to switch side guard plate to ground, the reason is that traditional high-side hydraulic support, which is all side, is equipped with oil cylinder,
Can only side side guard plate with expanding-contracting action, can cannot meet both sides side guard plate expanding-contracting action needs.
Invention content
It, can be with expanding-contracting action to provide that one kind making both sides side guard plate all and have the function of present invention seek to address that the above problem
For the monoblock type cylinder connecting device on hydraulic support.
The present invention 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 is respectively
It is provided with side guard plate, cylinder pedestal is provided on hydraulic support, cylinder barrel is respectively arranged at left and right sides of cylinder pedestal, cylinder barrel is another
One end is provided with cylinder cap, piston, piston rod is provided in cylinder barrel, on the piston rod, piston is integrated cylinder cover set with piston rod
Withdrawal is provided in the centre bore of formula structure, piston and piston rod for fluid catheter, piston rod passes through guide rod and corresponding side guard plate
The cylinder barrel of connection, cylinder pedestal and the left and right sides, withdrawal are welded into overall structure for fluid catheter, are respectively arranged on cylinder pedestal
Be connected to inside the cylinder barrels of both sides into liquid interface and time liquid interface.
Using the present invention of above-mentioned technical proposal, 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, hydraulic support is made to have two
The side guard plate of side can expanding-contracting action function, this just brings great convenience to the left and right working face upside-down mounting of high-end holder, application
To after 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 switching
Left and right different operating face is in use, need well to switch the problem of side guard plate on the ground.
2. being designed using monoblock type cylinder barrel double piston-rod, and withdrawal is internally provided with for fluid catheter in cylinder barrel, constitute double feed liquors,
The design structure of double back liquid allows two piston rod left and right single movements, can also act simultaneously, operate more flexible side
Just.
Preferably, the further technical solution of the present invention 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 rod
Head is hinged by slot and guide rod, and the guide rod other end is fixedly connected by bolt with side guard plate, adds top with traditional cylinder barrel
The integrated design of bar is compared, and the head of piston rod is using spherical structure and hinged with guide rod, not only convenient for disassembly and assembly, but also leads
Bar with piston rod there is certain deflection angle oil cylinder can be made by lateral force and Moment, not keep away when hydraulic support works
Piston rods bend deformation and oil cylinder damage are exempted from, have solved common and high-end hydraulic support side guard plate side push oil cylinder and working
When bear lateral force, the problem of piston rods bend deformation, oil cylinder damage.But also hydraulic support overhaul efficiency can be improved, it drops
The low 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.
It is detachable helicitic texture into liquid interface and time liquid interface, 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, and piston rod surface coal dust is cleared up.
Description of the drawings
Fig. 1 is main structure diagram of the embodiment of the present invention；
Fig. 2 is the main structure diagram that monoblock type of embodiment of the present invention oil cylinder is connect with guide rod；
Fig. 3 is the main structure diagram of monoblock type oil cylinder of the embodiment of the present invention；
Fig. 4 is the main structure diagram of guide rod of the embodiment of the present invention；
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；It is living
Plug 9；It withdraws for fluid catheter 10；Piston seal component 11；Into liquid interface 12；Return liquid interface 13；Cylinder pedestal 14；Sealing cover 15；
Slot 16；Side guard plate 17；Hydraulic support 18.
Specific implementation mode：
With reference to embodiment, the invention will be further described, and purpose, which is only that, more fully understands the content of present invention, therefore, institute
The example of act is not intended to limit protection scope of the present invention.
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, 18 left and right sides of hydraulic support is respectively arranged with side guard plate 17, cylinder pedestal is provided 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, work is provided in cylinder barrel 7
Plug 9, piston rod 8, cylinder cap 6 are 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
It is welded into overall structure for fluid catheter 10 with the cylinder barrel 7 of the left and right sides, withdrawal, is respectively arranged on cylinder pedestal 14 and both sides
The inside of cylinder barrel 7 be connected into liquid interface 12 and return liquid interface 13.
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 has certain deflection angle with piston rod 8, after the stretching of piston rod 8, guide rod 1 and piston rod 8
Deflection angle up to 5 °, when hydraulic support 18 works, oil cylinder can be made by lateral force and Moment, not avoid piston rod
8 flexural 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
It bears lateral force, the problem of 8 flexural 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.
It is detachable helicitic texture into liquid interface 12 and time liquid interface 13, design is mounted on above cylinder pedestal 14, is 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 7 left and right working chamber phase of cylinder barrel 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, and piston rod is cleared up
8 surface coal dusts.
The present invention changes the single-piston rod of original hydraulic support 18, the mentality of designing of single cylinder cylinder and action form, makes liquid
Pressure holder 18 have the function of both sides side guard plate 17 can expanding-contracting action, this is just to the left and right working face upside-down mounting band of high-end holder
Carry out prodigious convenience, after being applied to high-end hydraulic support 18, can use, solve common in the left and right different working face in underground
And high-end hydraulic support 18 is switching left and right different operating face in use, upper well is needed to switch the difficulty of side guard plate 17 on the ground
Topic is designed using monoblock type cylinder barrel double piston-rod, and is internally provided with withdrawal for fluid catheter 10 in cylinder barrel 7, constitutes double feed liquor, double backs
The design structure of liquid allows two 8 left and right single movements of piston rod, can also act simultaneously, and operation is more flexible and convenient, living
The head of stopper 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 one with piston rod 8
Fixed deflection angle avoids 8 flexural deformation of piston rod and oil cylinder damage, solves common and high-end hydraulic support 18 side shield
The problem of side push oil cylinder of plate 17 bears lateral force at work, and 8 flexural deformation of piston rod, oil cylinder damage.
The foregoing is merely preferably feasible embodiments of the invention, not thereby limit to the interest field of the present invention,
It is all to use equivalence changes made by description of the invention and its accompanying drawing content, it is both contained within the interest field of the present invention.
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
There is cylinder barrel, the cylinder barrel other end to be 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
Corresponding side guard plate connection, cylinder pedestal and the cylinder barrel of the left and right sides, withdrawal are welded into overall structure, cylinder pedestal for fluid catheter
On be respectively arranged with and the cylinder barrel of both sides inside be connected into liquid interface 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 with withdrawal for being provided with sealing cover, sealing cover 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 |
|---|---|---|---|
| CN201810360618.7A CN108302088A (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 |
|---|---|---|---|
| CN201810360618.7A CN108302088A (en) | 2018-04-20 | 2018-04-20 | Monoblock type cylinder connecting device on hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108302088A true CN108302088A (en) | 2018-07-20 |
Family
ID=62847632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810360618.7A Withdrawn CN108302088A (en) | 2018-04-20 | 2018-04-20 | Monoblock type cylinder connecting device on hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108302088A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709800A (en) * | 2020-12-29 | 2021-04-27 | 山东艾克来科技发展有限公司 | Hydraulic device for hydraulic transmission of hydraulic torque converter |
| CN112761694A (en) * | 2021-01-25 | 2021-05-07 | 三一重型装备有限公司 | Side thrust unit and hydraulic support |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202788895U (en) * | 2012-09-28 | 2013-03-13 | 中煤北京煤矿机械有限责任公司 | Movable side guard plates on two sides of high inclining-angle support |
| CN203248444U (en) * | 2013-05-15 | 2013-10-23 | 魏福彬 | Hydraulic cylinder with locking device |
| CN203682981U (en) * | 2014-01-06 | 2014-07-02 | 卡特彼勒（郑州）有限公司 | Double-side type hydraulic jack and hydraulic support |
| CN104405426A (en) * | 2014-07-28 | 2015-03-11 | 三一重型装备有限公司 | Horizontal thrust device of hydraulic support and hydraulic support |
| CN105927610A (en) * | 2016-06-30 | 2016-09-07 | 开滦(集团)有限责任公司技术中心 | Single-piston-rod double-cylinder-barrel oil cylinder of hydraulic support |
| CN208123162U (en) * | 2018-04-20 | 2018-11-20 | 河北能源职业技术学院 | Monoblock type cylinder connecting device on hydraulic support |
-
2018
- 2018-04-20 CN CN201810360618.7A patent/CN108302088A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202788895U (en) * | 2012-09-28 | 2013-03-13 | 中煤北京煤矿机械有限责任公司 | Movable side guard plates on two sides of high inclining-angle support |
| CN203248444U (en) * | 2013-05-15 | 2013-10-23 | 魏福彬 | Hydraulic cylinder with locking device |
| CN203682981U (en) * | 2014-01-06 | 2014-07-02 | 卡特彼勒（郑州）有限公司 | Double-side type hydraulic jack and hydraulic support |
| CN104405426A (en) * | 2014-07-28 | 2015-03-11 | 三一重型装备有限公司 | Horizontal thrust device of hydraulic support and hydraulic support |
| CN105927610A (en) * | 2016-06-30 | 2016-09-07 | 开滦(集团)有限责任公司技术中心 | Single-piston-rod double-cylinder-barrel oil cylinder of hydraulic support |
| CN208123162U (en) * | 2018-04-20 | 2018-11-20 | 河北能源职业技术学院 | Monoblock type cylinder connecting device on hydraulic support |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709800A (en) * | 2020-12-29 | 2021-04-27 | 山东艾克来科技发展有限公司 | Hydraulic device for hydraulic transmission of hydraulic torque converter |
| CN112761694A (en) * | 2021-01-25 | 2021-05-07 | 三一重型装备有限公司 | Side thrust unit and hydraulic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180720 |