CN109356901A - Hydraulic spring grease cup cylinder and application method for underground remote-controlled scraper acting trailer system - Google Patents
Hydraulic spring grease cup cylinder and application method for underground remote-controlled scraper acting trailer system Download PDFInfo
- Publication number
- CN109356901A CN109356901A CN201811423001.1A CN201811423001A CN109356901A CN 109356901 A CN109356901 A CN 109356901A CN 201811423001 A CN201811423001 A CN 201811423001A CN 109356901 A CN109356901 A CN 109356901A
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- Prior art keywords
- cylinder
- hydraulic
- piston rod
- cylinder barrel
- grease cup
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- Pending
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- 239000004519 grease Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 20
- 239000003921 oil Substances 0.000 claims description 18
- 239000002828 fuel tank Substances 0.000 claims description 12
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
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
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod 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
- F15B15/08—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2127/00—Auxiliary mechanisms
- F16D2127/02—Release mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sealing Devices (AREA)
Abstract
The invention proposes a kind of hydraulic spring grease cup cylinders and application method for underground remote-controlled scraper acting trailer system, including piston rod, cylinder cap, cylinder barrel, spring, seal assembly and oil circuit, further include vent valve；The piston rod is mounted on inside cylinder barrel, and the cylinder barrel front end is equipped with cylinder cap, and one end of spring is fixedly connected in the middle part of the inboard wall of cylinder cover, and the other end of the spring is fixedly connected with piston rod, is fixed with vent valve in the middle part of the cylinder cap；Seal assembly is equipped between the piston rod and cylinder barrel；The oil circuit includes the first hydraulic fluid port being arranged on cylinder barrel, the second hydraulic fluid port and the third hydraulic fluid port being arranged on cylinder cap.It can will be caved in the trapped underground carry scraper in region using the trailer of the hydraulic cylinder, be dragged to safety zone；Filled up domestic blank, avoid conventional trailer due to battery power is finished and the case where can not haul out, be applicable in the working environment when landslide of underground mine goaf, solve the practical problem of trailing of mine user.
Description
Technical field
The present invention relates to mine equipment equipment technical fields, in particular to a kind of to be used for underground remote-controlled scraper acting trailer system
Hydraulic spring grease cup cylinder.
Background technique
With the development of China mine cause and the progress of science and technology, underground trackless equipment achieves significant progress, especially
In recent years, with the raising of mining technical level and the increasing of the market demand, the application for being remotely controlled underground carry scraper is wider
It is general.
In recent years, with the automation of underground large size winning equipment, intelligentized application, the exploitation of the residual mine in goaf shape
At a kind of trend, since goaf does not have a supporting, landslide it is very risky, once landslide, the scraper buried by ore is just
It needs to be hauled out with another remote-controlled scraper, underground remote-controlled scraper acting trailer system development is a kind of trend, is necessarily required to one kind
Hydraulic spring grease cup cylinder can be achieved with the remote-controlled scraper buried by ore being dragged to safety zone without electrical control.
Currently, trailer of the domestic remote control underground carry scraper after landslide, using remote control starting micro machine to accumulation of energy
Device filling liquid, to release braking, the power resources of micro machine are in the battery for being buried vehicle, once battery is smashed or electric power consumption
To the greatest extent, the scraper being buried will be unable to haul out.It avoids electricity consumption and does power, using the mechanical form with fluid pressure linkage, invent hydraulic
Spring cylinder is the problem to be solved in the present invention.
Summary of the invention
The purpose of the present invention aims to solve at least one of the technological deficiency.
For this purpose, an object of the present invention is to provide a kind of hydraulic spring grease cups for underground remote-controlled scraper acting trailer system
Cylinder can will be caved in the trapped underground carry scraper in region using the trailer of the hydraulic cylinder, be dragged to safety zone；Domestic sky is filled up
It is white, avoid conventional trailer due to battery power is finished and the case where can not haul out, be applicable in underground mine goaf and collapse
Working environment when square solves the practical problem of trailing of mine user.
To achieve the goals above, the embodiment of one aspect of the present invention provides a kind of for underground remote-controlled scraper trailer system
The hydraulic spring grease cup cylinder of system, including piston rod, cylinder cap, cylinder barrel, spring, seal assembly and oil circuit, further include vent valve；The piston
Bar is mounted on inside cylinder barrel, and the cylinder barrel front end is equipped with cylinder cap, and one end of spring, institute are fixedly connected in the middle part of the inboard wall of cylinder cover
The other end for stating spring is fixedly connected with piston rod, is fixed with vent valve in the middle part of the cylinder cap；Between the piston rod and cylinder barrel
Equipped with seal assembly；The oil circuit includes the first hydraulic fluid port, the second hydraulic fluid port and the third being arranged on cylinder cap being arranged on cylinder barrel
Hydraulic fluid port.
Preferably, the seal assembly includes the of the first seal assembly for being arranged in cylinder barrel and setting on the piston rod
Two seal assemblies.
In any of the above-described scheme preferably, first seal assembly include dustband, hole seal, support ring and
Si Te envelope；First seal assembly is fixedly mounted in cylinder barrel, and respectively with plunger rod contacts.
In any of the above-described scheme preferably, second seal assembly includes that guidance tape and axis seal, described to lead
It is respectively provided on the piston rod to band and axis sealing, and is contacted respectively with cylinder barrel.
In any of the above-described scheme preferably, the seal assembly further includes the O-ring being arranged in inside cylinder cap, described
O-ring is contacted with cylinder barrel.
In any of the above-described scheme preferably, it is bolted to connection between the cylinder cap and cylinder barrel.
In any of the above-described scheme preferably, the seal assembly further includes the valve sealing being arranged on vent valve
Circle；The valve sealing ring is abutted with cylinder cap.
In any of the above-described scheme preferably, the cylinder barrel rear end is equipped with screw plug.
In any of the above-described scheme preferably, the fuel tank of the first hydraulic fluid port connection scraper, the third hydraulic fluid port connect
The brake fuel tank of logical scraper.
A kind of application method of the hydraulic spring grease cup cylinder for underground remote-controlled scraper acting trailer system is applied to above-mentioned hydraulic bullet
Spring cylinder, comprising the following steps:
S1, the towing hook of trailer is connect with the rear end of the piston rod of the hydraulic spring grease cup cylinder of stranded scraper；
The unhook of S2, trailer push to the right piston rod, and piston rod moves to right, compressed spring, block the second hydraulic fluid port mouth, the first oil
Mouthful from fuel tank oil suction, compressed spring chamber hydraulic oil, hydraulic oil in cylinder barrel is by third hydraulic fluid port to the driving for being stranded scraper
Brake is for pressure oil, the braking of freeing vehicle.
A kind of hydraulic spring grease cup cylinder for underground remote-controlled scraper acting trailer system provided according to embodiments of the present invention, is compared
It is had at least the following advantages in existing acting trailer system:
1, the remote-controlled scraper of safety zone towing hook position to be buried scraper hydraulic spring grease cup cylinder piston rod 1 one to
Right thrust, spring cylinder piston rod move to right, and block the second hydraulic fluid port, and the first hydraulic fluid port is from fuel tank oil suction, compressed spring chamber hydraulic oil, liquid
Hydraulic oil in pressing spring cylinder is by third hydraulic fluid port to being buried the running brake of scraper for pressure oil, the system of freeing vehicle
Dynamic, scraper is detached from landslide region, drives into safety zone, entire trailer process is not required under the tractive force effect of active trailer
Any power supply is wanted, the hauling-out for being buried scraper to landslide region can be completed.
2, it can will be caved in the trapped underground carry scraper in region using the trailer of the hydraulic cylinder, be dragged to safety zone；It fills up
Domestic blank, avoid conventional trailer due to battery power is finished and the case where can not haul out, be applicable in underground mine
Working environment when goaf caves in, solves the practical problem of trailing of mine user.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is a kind of bowing for hydraulic spring grease cup cylinder for underground remote-controlled scraper acting trailer system provided in an embodiment of the present invention
View；
A kind of A-A of the hydraulic spring grease cup cylinder for underground remote-controlled scraper acting trailer system in the embodiment that Fig. 2 provides for Fig. 1
Sectional view；
In figure: 1, piston rod；2, dustband；3, hole seals；4, support ring；5, this spy's envelope；6, axis seals；7, spiral shell
Bolt；8, screw plug；9, guidance tape；10, cylinder barrel；11, spring；12, O-ring；13, cylinder cap；14, valve sealing ring；15, vent valve；
A, the first hydraulic fluid port；C, the second hydraulic fluid port；B, third hydraulic fluid port；
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
As shown in Figs. 1-2, a kind of hydraulic bullet for underground remote-controlled scraper acting trailer system provided in an embodiment of the present invention
Spring cylinder, including piston rod 1, cylinder cap 13, cylinder barrel 10, spring 11, seal assembly and oil circuit, further include vent valve 15；The piston
Bar 1 is mounted on inside cylinder barrel 10, and 10 front end of cylinder barrel is equipped with cylinder cap 13, is fixedly connected with spring in the middle part of 13 inner wall of cylinder cap
11 one end, the other end of the spring 11 are fixedly connected with piston rod 1, are fixed with vent valve 15 in the middle part of the cylinder cap 13；Institute
It states and is equipped with seal assembly between piston rod 1 and cylinder barrel 10；The oil circuit includes the first hydraulic fluid port A being arranged on cylinder barrel 10, second
The hydraulic fluid port C and third hydraulic fluid port B being arranged on cylinder cap 13.It is fixedly connected between the cylinder cap 13 and cylinder barrel 10 by bolt 7.
Further, as shown in Fig. 2, the front end of piston rod is arranged in cylinder barrel, the rear end of piston rod extends outwardly, a part
It is contacted with the barrel of the rear end of cylinder barrel, a part is extended outside cylinder barrel.Seal assembly include be arranged in cylinder barrel 10 it is first close
Sealing assembly and the second seal assembly being arranged on piston rod 1.Further, first seal assembly includes dustband 2, Kong Yong
Sealing 3, support ring 4 and Si Te envelope 5；First seal assembly is fixedly mounted in cylinder barrel 10, and is connect respectively with piston rod 1
Touching.Dustband 2 is used to remove reciprocating piston bar and is exposed at dust, sand-lime, rainwater and frost accompanying on cylinder outer surface
Equal dirts, prevent external dust, rainwater from entering inside sealing mechanism, reduce coefficient of friction, reduce the abrasion of piston rod.Hole is with close
Envelope 3 enhances sealing effect, reduces bias for enhancing the high-low pressure patience between piston rod and cylinder barrel.Support ring 4 is used for
Compressive resistance between normal piston bar and cylinder barrel；Si Te 5 frictional force of envelope are low, and without creeping, startup power is small, high pressure resistant, groove structure
Simply.
Second seal assembly includes guidance tape 9 and axis sealing 6, and the guidance tape 9 and axis sealing 6 are arranged at
On piston rod 1, and contacted respectively with cylinder barrel 10.Guidance tape prevents cylinder barrel and piston rod from wearing, and extremely wear-resisting, low friction is heat-resisting, resistance to
Chemical attack allows any foreign matter to imbed in guiding wear ring, prevents particle from losing to oil cylinder and sealing element, has and absorb vibration
Performance, and have fabulous wear-resisting property and good dry dynamic row characteristic.
Further, seal assembly further includes the O-ring 12 being arranged in inside cylinder cap 13, the O-ring 12 and cylinder barrel 10
Contact.O-ring 12 is used to enhance the sealing effect between cylinder barrel and cylinder cap, guarantees that the hydraulic oil between cylinder cap and cylinder barrel is not let out
Dew.
In another embodiment of the present invention, the seal assembly further includes the valve sealing being arranged on vent valve 15
Circle 14；The valve is abutted with sealing ring 14 with cylinder cap 13.10 rear end of cylinder barrel is equipped with screw plug 8.Vent valve 15 is for working as piston
Bar front end and the hydraulic oil between cylinder cap, after entrained gas, because high temperature leads to gas expansion, pressure cylinder internal pressure increases
It releases when big the gas of generation.
It should be noted that the fuel tank of the first hydraulic fluid port A connection scraper, the third hydraulic fluid port B connection scraper
Brake fuel tank.
A kind of application method of the hydraulic spring grease cup cylinder for underground remote-controlled scraper acting trailer system is applied to above-mentioned hydraulic bullet
Spring cylinder, comprising the following steps:
S1, the towing hook of trailer is connect with the rear end of the piston rod of the hydraulic spring grease cup cylinder of stranded scraper；
The unhook of S2, trailer push to the right piston rod, and piston rod moves to right, and block the second hydraulic fluid port mouth, and the first hydraulic fluid port is from fuel tank
Oil suction, compressed spring chamber hydraulic oil, the hydraulic oil in cylinder barrel pass through running brake pressure supply of the third hydraulic fluid port to stranded scraper
Power oil, the braking of freeing vehicle.
In the use of the present invention, the remote-controlled scraper of safety zone is buried scraper hydraulic spring grease cup cylinder in towing hook position
The thrust of 1 one, piston rod to the right, spring cylinder piston rod 1 move to right, and block C mouthfuls, A mouthfuls from fuel tank oil suction, compressed spring chamber is hydraulic
Oil, hydraulic oil in hydraulic spring grease cup cylinder is by B mouthfuls to being buried the running brake of scraper for pressure oil, the system of freeing vehicle
Dynamic, scraper is detached from landslide region, drives into safety zone, entire trailer process is not required under the tractive force effect of active trailer
Any power supply is wanted, the hauling-out for being buried scraper to landslide region can be completed.After completing trailer, car puller hook is dismantled, spring
Spring 11 in cylinder discharges, and pushes piston rod 1 to move to left, A, C mouth of spring cylinder are communicated with fuel tank.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.The scope of the present invention
By appended claims and its equivalent limit.
Claims (10)
1. a kind of hydraulic spring grease cup cylinder for underground remote-controlled scraper acting trailer system, including it is piston rod, cylinder cap, cylinder barrel, spring, close
Sealing assembly and oil circuit, which is characterized in that further include vent valve；The piston rod is mounted on inside cylinder barrel, and the cylinder barrel front end is set
There is cylinder cap, one end of spring is fixedly connected in the middle part of the inboard wall of cylinder cover, the other end of the spring is fixedly connected with piston rod, institute
It states and is fixed with vent valve in the middle part of cylinder cap；Seal assembly is equipped between the piston rod and cylinder barrel；The oil circuit includes that setting exists
The first hydraulic fluid port, the second hydraulic fluid port on cylinder barrel and the third hydraulic fluid port being arranged on cylinder cap.
2. the hydraulic spring grease cup cylinder according to claim 1 for underground remote-controlled scraper acting trailer system, which is characterized in that institute
Stating seal assembly includes the second seal assembly of the first seal assembly being arranged in cylinder barrel and setting on the piston rod.
3. the hydraulic spring grease cup cylinder according to claim 2 for underground remote-controlled scraper acting trailer system, which is characterized in that institute
Stating the first seal assembly includes dustband, hole sealing, support ring and Si Te envelope；First seal assembly is fixedly mounted on cylinder
Cylinder in, and respectively with plunger rod contacts.
4. the hydraulic spring grease cup cylinder according to claim 3 for underground remote-controlled scraper acting trailer system, which is characterized in that institute
Stating the second seal assembly includes guidance tape and axis sealing, and the guidance tape and axis sealing are respectively provided on the piston rod, and point
It is not contacted with cylinder barrel.
5. the hydraulic spring grease cup cylinder according to claim 2 for underground remote-controlled scraper acting trailer system, which is characterized in that institute
Stating seal assembly further includes the O-ring being arranged in inside cylinder cap, and the O-ring is contacted with cylinder barrel.
6. the hydraulic spring grease cup cylinder according to claim 2 for underground remote-controlled scraper acting trailer system, which is characterized in that institute
It states and is bolted to connection between cylinder cap and cylinder barrel.
7. the hydraulic spring grease cup cylinder according to claim 2 for underground remote-controlled scraper acting trailer system, which is characterized in that institute
Stating seal assembly further includes the valve sealing ring being arranged on vent valve；The valve sealing ring is abutted with cylinder cap.
8. the hydraulic spring grease cup cylinder according to claim 2 for underground remote-controlled scraper acting trailer system, which is characterized in that institute
Cylinder barrel rear end is stated equipped with screw plug.
9. the hydraulic spring grease cup cylinder according to claim 2 for underground remote-controlled scraper acting trailer system, which is characterized in that institute
State the fuel tank of the first hydraulic fluid port connection scraper, the brake fuel tank of the third hydraulic fluid port connection scraper.
10. a kind of application method of the hydraulic spring grease cup cylinder for underground remote-controlled scraper acting trailer system, which is characterized in that be applied to
Hydraulic spring grease cup cylinder described in any one of the claims 1-9, comprising the following steps:
S1, the towing hook of trailer is connect with the rear end of the piston rod of the hydraulic spring grease cup cylinder of stranded scraper；
The unhook of S2, trailer push to the right piston rod, and piston rod moves to right, compressed spring, block the second hydraulic fluid port mouth, the first hydraulic fluid port from
Fuel tank oil suction, compressed spring chamber hydraulic oil, hydraulic oil in cylinder barrel is by third hydraulic fluid port to the service brake for being stranded scraper
Device is for pressure oil, the braking of freeing vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423001.1A CN109356901A (en) | 2018-11-27 | 2018-11-27 | Hydraulic spring grease cup cylinder and application method for underground remote-controlled scraper acting trailer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423001.1A CN109356901A (en) | 2018-11-27 | 2018-11-27 | Hydraulic spring grease cup cylinder and application method for underground remote-controlled scraper acting trailer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109356901A true CN109356901A (en) | 2019-02-19 |
Family
ID=65343257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811423001.1A Pending CN109356901A (en) | 2018-11-27 | 2018-11-27 | Hydraulic spring grease cup cylinder and application method for underground remote-controlled scraper acting trailer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356901A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1420959A (en) * | 1972-07-20 | 1976-01-14 | Gillon Bros Limespreaders | Trailer brakes |
| CN102574519A (en) * | 2009-09-29 | 2012-07-11 | 西门子公司 | Play adjustment in a hydraulic braking system |
| CN105114390A (en) * | 2015-08-18 | 2015-12-02 | 安徽贝利机械制造有限公司 | Feeding oil cylinder device for core drill |
| CN205401297U (en) * | 2016-02-29 | 2016-07-27 | 扬州市江都永坚有限公司 | Refuse treatment device compression hydro -cylinder under exceedingly odious operating mode |
| CN207157190U (en) * | 2017-07-11 | 2018-03-30 | 北京安期生技术有限公司 | Hydraulic trailer system |
| CN209261959U (en) * | 2018-11-27 | 2019-08-16 | 安期生鑫茂（北京）矿山机械有限公司 | Hydraulic spring grease cup cylinder for underground remote-controlled scraper acting trailer system |
-
2018
- 2018-11-27 CN CN201811423001.1A patent/CN109356901A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1420959A (en) * | 1972-07-20 | 1976-01-14 | Gillon Bros Limespreaders | Trailer brakes |
| CN102574519A (en) * | 2009-09-29 | 2012-07-11 | 西门子公司 | Play adjustment in a hydraulic braking system |
| CN105114390A (en) * | 2015-08-18 | 2015-12-02 | 安徽贝利机械制造有限公司 | Feeding oil cylinder device for core drill |
| CN205401297U (en) * | 2016-02-29 | 2016-07-27 | 扬州市江都永坚有限公司 | Refuse treatment device compression hydro -cylinder under exceedingly odious operating mode |
| CN207157190U (en) * | 2017-07-11 | 2018-03-30 | 北京安期生技术有限公司 | Hydraulic trailer system |
| CN209261959U (en) * | 2018-11-27 | 2019-08-16 | 安期生鑫茂（北京）矿山机械有限公司 | Hydraulic spring grease cup cylinder for underground remote-controlled scraper acting trailer system |
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