CN208487087U - Broken Oil cylinder and its sealing monitoring system - Google Patents
Broken Oil cylinder and its sealing monitoring system Download PDFInfo
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- CN208487087U CN208487087U CN201821020590.4U CN201821020590U CN208487087U CN 208487087 U CN208487087 U CN 208487087U CN 201821020590 U CN201821020590 U CN 201821020590U CN 208487087 U CN208487087 U CN 208487087U
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- piston rod
- hydraulic fluid
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Abstract
The utility model discloses a kind of broken Oil cylinder and its sealing monitoring systems, including cylinder block and protective jacket (5), protective jacket (5) is set in the expansion rail that cylinder sleeve (3) are formed outside cylinder block, and mist of oil chamber (25) are formed between protective jacket (5) and cylinder block, mist of oil chamber (25) corresponding position is provided with pneumostome (7) and oil and gas import (8) in piston rod (1)；Pneumostome (7) is connect with the first mist of oil pipeline (26), and the first mist of oil pipeline (26) includes the first ball valve (12), pressure gauge (13), pressure sensor (14), air accumulator (15), the second ball valve (16), exhaust individual event valve (17) and muffler (18)；Oil and gas import (8) is connect with the second mist of oil pipeline (27), and the second mist of oil pipeline (27) includes air inlet individual event valve (9), air inlet ball valve (10) and pneumatic triple piece (11).The utility model improves slurry shield construction efficiency.
Description
Technical field
The utility model belongs to technical field of tunnel construction, and in particular to a kind of broken Oil cylinder and its sealing monitoring system
System.
Background technique
With the development of economy, the demand to interconnect, communications and transportation are quickly grown, and Tunnel Engineering and rail traffic obtain
Explosive growth, shield method promote and apply in more and more engineerings.
Its control settlement of gas cushion type mud water shield machine is accurate, and adaptation stratum is extensive, interferes small, energy to the excavation face periphery soil body
Excavate and get over river tunnel over strait, can it is safe under wear structures, in tunnel, industrial application is more and more.
Gas cushion type mud water shield machine has muddy water storehouse and air cushion storehouse, and in air cushion orlop portion breaker mounting, crusher is to excavation
Under debris be crushed, reach shield body grid by partial size demand and slush pump by partial size demand, then utilize mud ring
Streaming system is delivered to separating station.In slurry shield construction, crusher is immersed in the slurry in air cushion storehouse, is crushed Oil cylinder with 0-
3 times/min is to debris attrition crushing and stirring.It under debris mud operating condition, back and forth moves back and forth, oil cylinder and its sealing are extremely held
It is easy to damage, seal failure and oil cylinder wear-out failure are caused, crusher is caused to can not work normally.
Crusher failure will lead to mud circulation system and can not work normally, and shield body air cushion storehouse can be caused by thrusting construction
Grid blocking and mud pump seizure, cause circulation system to paralyse.
Crusher is of crucial importance slurry shield.Due to the particularity and operating condition of crusher installation site
Complexity, it is easy to appear failures for crusher, and maintenance difficult, maintenance process need worker's warehouse entry with pressure, and there are wind for maintenance
Danger, and the labor intensity of worker is larger, becomes a key factor for restricting slurry shield safe construction.
Therefore, muddy water shield crusher oil cylinder and its sealing wear Problem of Failure are solved, the use of broken Oil cylinder is extended
Service life reduces the probability of broken Oil cylinder failure, reduces the frequency of worker's warehouse entry maintenance crusher with pressure and reduces crusher event
It is that slurry shield is constructed problem urgently to be resolved that barrier, which causes risk,.
Utility model content
The utility model provides a kind of broken Oil cylinder and its sealing monitoring system, solves conventional breakers oil cylinder and its close
Seal the problems such as short failure easy to wear, broken Oil cylinder service life, high failure rate, worker's warehouse entry frequency of maintenance height with pressure.
In order to solve the above technical problems, technical solution used by the utility model is as follows:
A kind of sealing monitoring system of broken Oil cylinder, including cylinder block and protective jacket, the cylinder block include living
Stopper rod and cylinder sleeve；Protective jacket is set in the expansion rail that cylinder sleeve is formed outside cylinder block, and shape between protective jacket and cylinder block
At mist of oil chamber, position corresponding with mist of oil chamber, is provided with pneumostome and oil and gas import in piston rod；Pneumostome and the first oil
The connection of mist pipeline, the first mist of oil pipeline include the first mist of oil pipeline, the first mist of oil pipeline by close to pneumostome to separate
The direction of pneumostome has been sequentially connected in series the first ball valve, pressure gauge, pressure sensor, air accumulator, the second ball valve, exhaust individual event
Valve and muffler；Oil and gas import is connect with the second mist of oil pipeline, and the second mist of oil pipeline includes the second mist of oil pipeline, second
By being sequentially connected in series air inlet individual event valve, air inlet ball valve to the direction far from oil and gas import close to oil and gas import on mist of oil pipeline
And pneumatic triple piece.
The cylinder block, including piston rod, piston, cylinder sleeve, interior guiding end cap；Piston rod is installed on the support, cylinder sleeve
It being arranged on the piston rod and one end of cylinder sleeve is fixedly connected with interior guiding end cap, interior guiding end cap end design has chamfering, and
Guiding end cap sliding surface is embedded with tin bronze, and interior guiding end cap is set on piston rod and connect with piston rod packing；Cylinder sleeve
The other end is fixedly connected with crusher side walls, and crusher side walls, inboard wall of cylinder liner, piston rod outer wall and piston outer wall constitute the second liquid
Pumping cavity, piston rod outer wall, inboard wall of cylinder liner, piston inner wall and interior guiding end cap inner wall constitute the first hydraulic fluid chamber；In piston rod
Interior position corresponding with the first hydraulic fluid chamber is provided with hydraulic fluid port I, and hydraulic fluid port I is communicated with the first hydraulic fluid chamber, the first hydraulic circuit
Enter in piston rod across erection support and is connect with hydraulic fluid port I；
Position corresponding with the second hydraulic fluid chamber is provided with hydraulic fluid port II, hydraulic fluid port II and the second hydraulic fluid chamber in piston rod
It communicates, the second hydraulic circuit enters in piston rod across erection support to be connect with hydraulic fluid port II.
The protective jacket is set in the expansion rail that cylinder sleeve is constituted outside cylinder sleeve, and protective jacket passes through close to one end of crusher
Outer guiding end cap is connect with liner packing, and the other end of protective jacket is fixed on the piston rod, and outer guiding end cap end design has down
Angle, and be oriented to end cap sliding surface and be embedded with tin bronze.
A kind of broken Oil cylinder, including piston rod, piston, cylinder sleeve, outer guiding end cap, protective jacket, interior guiding end cap, breathing
Mouth, oil and gas import, the first hydraulic circuit, the second hydraulic circuit, the first hydraulic fluid chamber, the second hydraulic fluid chamber, mist of oil chamber；
Piston rod is installed on the support, and cylinder sleeve is arranged on the piston rod and one end of cylinder sleeve and interior guiding end cap are fixed and connected
It connects, interior guiding end cap is set on piston rod and connect with piston rod packing；The other end and crusher side walls of cylinder sleeve are fixed to be connected
It connects, crusher side walls, inboard wall of cylinder liner, piston rod outer wall and piston outer wall the second hydraulic fluid chamber of composition, in piston rod outer wall, cylinder sleeve
Wall, piston inner wall and interior guiding end cap inner wall constitute the first hydraulic fluid chamber；It is corresponding with the first hydraulic fluid chamber in piston rod
Position is provided with hydraulic fluid port I, and hydraulic fluid port I is communicated with the first hydraulic fluid chamber, and the first hydraulic circuit passes through erection support and enters in piston rod
It is connect with hydraulic fluid port I；
Position corresponding with the second hydraulic fluid chamber is provided with hydraulic fluid port II, hydraulic fluid port II and the second hydraulic fluid chamber in piston rod
It communicates, the second hydraulic circuit enters in piston rod across erection support to be connect with hydraulic fluid port II；
Protective jacket is set in the expansion rail that cylinder sleeve is constituted outside cylinder sleeve, and protective jacket close to one end of crusher by leading outside
It is connect to end cap with liner packing, the other end of protective jacket is fixed on the piston rod；Outer wall of cylinder jachet, is prevented outer guiding end cap inner wall
Jacket inner wall, piston rod outer wall and interior guide end cover outer wall constitute mist of oil chamber；The position corresponding with mist of oil chamber in piston rod
It is provided with pneumostome and oil and gas import.
The utility model can adapt to external environment with pressure, be applied to complex working condition；Manufacturing process is reasonable, has good
Economic serviceability；And system is monitored with seal failure, it effectively prevent damage of the seal failure to broken Oil cylinder；It improves
Interior guiding end cap seal service life, reduces crusher probability of malfunction, reduces the maintenance probability of crusher, reduces worker
The probability of work with pressure reduces the labor intensity of worker, improves the construction environment of worker, efficiently solves solution tradition
Broken Oil cylinder and its sealing failure easy to wear are crushed short Oil cylinder service life, high failure rate, worker's warehouse entry frequency of maintenance height with pressure
Etc. problems, improve slurry shield construction efficiency, also ensure slurry shield construction safety.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1. piston rods, 2. pistons, 3. cylinder sleeves, 4. are oriented to end cap, 5. protective jackets, 6. interior guiding end caps, 7. breathings outside
Mouthful, 8. oil and gas imports, 9. air inlet individual event valves, 10. air inlet ball valves, 11. pneumatic triple pieces, 12. first ball valves, 13. pressure gauges,
14. pressure sensor, 15. air accumulators, 16. second ball valves, 17. exhaust individual event valves, 18. mufflers, 19. sealings, 20. first liquid
Pressure oil road, 21. second hydraulic circuits, 22. pressure control lines, 23. first hydraulic fluid chambers, 24. second hydraulic fluid chambers, 25. mist of oils
Chamber, 26. first mist of oil pipelines, 27. second mist of oil pipelines, 28. hydraulic fluid ports II, 29. hydraulic fluid ports I.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute under that premise of not paying creative labor
The every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1: a kind of broken Oil cylinder, as shown in Figure 1, include piston rod 1, piston 2, cylinder sleeve 3, outer guiding end cap 4,
Protective jacket 5, interior guiding end cap 6, pneumostome 7, oil and gas import 8, the first hydraulic circuit 20, the second hydraulic circuit 21, first are hydraulic
Oil pocket 23, the second hydraulic fluid chamber 24, mist of oil chamber 25；
Piston rod 1 is installed on the support, and cylinder sleeve 3 is set on piston rod 1 and one end of cylinder sleeve 3 and interior guiding end cap 6 are solid
Fixed connection, interior guiding end cap 6 are set on piston rod 1 and are tightly connected with piston rod 1；The other end of cylinder sleeve 3 and broken pusher side
Wall is fixedly connected, and crusher side walls, 3 inner wall of cylinder sleeve, 1 outer wall of piston rod and 2 outer wall of piston constitute the second hydraulic fluid chamber 24, piston
1 outer wall of bar, 3 inner wall of cylinder sleeve, 2 inner wall of piston and interior 6 inner wall of guiding end cap constitute the first hydraulic fluid chamber 23；In piston rod 1 with
The corresponding position of first hydraulic fluid chamber 23 is provided with hydraulic fluid port I 29, and hydraulic fluid port I 29 is communicated with the first hydraulic fluid chamber 23, and first is hydraulic
Oil circuit 20 enters in piston rod 1 across erection support to be connect with hydraulic fluid port I 29.
Position corresponding with the second hydraulic fluid chamber 24 is provided with hydraulic fluid port II 28, hydraulic fluid port II 28 and second in piston rod 1
Hydraulic fluid chamber 24 communicates, and the second hydraulic circuit 21 enters in piston rod 1 across erection support to be connect with hydraulic fluid port II 28.
Protective jacket 5 is set in the expansion rail that cylinder sleeve 3 is constituted outside cylinder sleeve 3, and protective jacket 5 passes through close to one end of crusher
Outer guiding end cap 4 is tightly connected with cylinder sleeve 3, and the other end of protective jacket 5 is fixed on piston rod 1；3 outer wall of cylinder sleeve, outer guide end
4 inner wall of lid, 5 inner wall of protective jacket, 1 outer wall of piston rod and interior 6 outer wall of guiding end cap constitute mist of oil chamber 25；In piston rod 1 with oil
The corresponding position of mist chamber 25 is provided with pneumostome 7 and oil and gas import 8.
The inside and outside guiding cover internal is designed with sealing 19, and inside and outside guiding end cap end design has chamfering, and
Guiding end cap sliding surface is embedded with tin bronze.
Embodiment 2: as shown in Figure 1, a kind of monitoring system of broken Oil cylinder, including cylinder block and protective jacket 5, it is described
Cylinder block, including piston rod 1, piston 2, cylinder sleeve 3, interior guiding end cap 6；Piston rod 1 is installed on the support, and cylinder sleeve 3 is set in
On piston rod 1 and one end of cylinder sleeve 3 is fixedly connected with interior guiding end cap 6, interior guiding end cap 6 be set on piston rod 1 and with work
Stopper rod 1 is tightly connected；The other end of cylinder sleeve 3 is fixedly connected with crusher side walls, crusher side walls, 3 inner wall of cylinder sleeve, piston rod 1
Outer wall and 2 outer wall of piston constitute the second hydraulic fluid chamber 24,1 outer wall of piston rod, 3 inner wall of cylinder sleeve, 2 inner wall of piston and interior guiding end cap
6 inner walls constitute the first hydraulic fluid chamber 23；Position corresponding with the first hydraulic fluid chamber 23 is provided with hydraulic fluid port I 29 in piston rod 1,
Hydraulic fluid port I 29 is communicated with the first hydraulic fluid chamber 23, and the first hydraulic circuit 20 enters in piston rod 1 across erection support and hydraulic fluid port I 29
Connection.
Position corresponding with the second hydraulic fluid chamber 24 is provided with hydraulic fluid port II 28, hydraulic fluid port II 28 and second in piston rod 1
Hydraulic fluid chamber 24 communicates, and the second hydraulic circuit 21 enters in piston rod 1 across erection support to be connect with hydraulic fluid port II 28.
The protective jacket 5 is set in the expansion rail that cylinder sleeve 3 is constituted outside cylinder sleeve 3, and protective jacket 5 is close to one end of crusher
It is tightly connected by outer guiding end cap 4 with cylinder sleeve 3, the other end of protective jacket 5 is fixed on piston rod 1.
3 outer wall of cylinder sleeve, outer 4 inner wall of guiding end cap, 5 inner wall of protective jacket, 1 outer wall of piston rod and interior 6 outer wall structure of guiding end cap
At mist of oil chamber 25.
Position corresponding with mist of oil chamber 25 is provided with pneumostome 7 and oil and gas import 8 in piston rod 1；Oil and gas import 8 with
The connection of second mist of oil pipeline 27, the second mist of oil pipeline 27 includes the second mist of oil pipeline, by close on the second mist of oil pipeline
Oil and gas import 8 to the direction far from oil and gas import 8 has been sequentially connected in series air inlet individual event valve 9, air inlet ball valve 10 and pneumatic three
Part 11.
Pneumostome 7 is connect with the first mist of oil pipeline 26, and the first mist of oil pipeline 26 includes the first mist of oil pipeline, first
Mist of oil pipeline is by being sequentially connected in series the first ball valve 12, pressure gauge 13, pressure to the direction far from pneumostome 7 close to pneumostome 7
Force snesor 14, air accumulator 15, the second ball valve 16, exhaust individual event valve 17 and muffler 18.
In the present embodiment, the inside and outside guiding cover internal is designed with sealing 19, and inside and outside guiding end cap end is set
In respect of chamfering, and it is oriented to end cap sliding surface and is embedded with tin bronze.
The system is the improvement project proposed for the easy failure of existing slurry shield jaw crusher oil cylinder, the cylinder system
It can be applied equally to the more complicated external environment of oil cylinder operating condition, potential application market is huge.And in use, this is
System is mounted in air cushion orlop with pressure portion.In driving, broken Oil cylinder works in debris slurry environment, and operating condition is extremely disliked
It is bad.The system in use, make broken Oil cylinder be in stretching state, the mist of oil chamber cavity of crusher is in maximum volume shape first
State.
The application method of broken Oil cylinder monitoring system is as follows: firstly, opening air inlet ball valve 10, the second ball valve 16 is closed,
Lubricator is filled to mist of oil chamber 25 by pneumatic triple piece 11, air cushion storehouse pressure big 0.5- when tunneling the pressure ratio of mist of oil chamber 25
0.8bar is observed by pressure gauge 13 and pressure sensor 14, closes air inlet ball valve 10 after reaching requirement, at this moment crusher carries out
Broken and stirring work；When broken Oil cylinder is stretched, pressure gauge and pressure sensor can have pressure oscillation, regular
Pressure oscillation is observed, if pressure oscillation is smaller or the minimum pressure of pressure sensor transmitting is close to air cushion storehouse pressure or small
In air cushion storehouse pressure, then outer pilot seal may be damaged or need to carry out tonifying Qi to mist of oil chamber.
To check whether the sealing of mist of oil chamber is intact, so that oil cylinder is in stretching state, is inflated to mist of oil chamber 25, makes mist of oil
The 25 pressure ratio air cushion storehouse big 2bar of pressure of chamber closes air inlet ball valve 10 and the second ball valve 16, pressure maintaining is then carried out, in 30min
Pressure does not reduce, then outer guiding end cap seal is intact；If pressure decline or decline are very fast, the outer end cap that is oriented to has been damaged, and is needed
It carries out safeguarding broken Oil cylinder stablizing geologic province.
Described above is only the preferred embodiment of the utility model, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (4)
1. a kind of sealing of broken Oil cylinder monitors system, it is characterised in that: including cylinder block and protective jacket (5), the oil
Cylinder cylinder body includes piston rod (1) and cylinder sleeve (3)；Protective jacket (5) is set in the expansion rail that cylinder sleeve (3) are formed outside cylinder block,
And mist of oil chamber (25) are formed between protective jacket (5) and cylinder block, the position corresponding with mist of oil chamber (25) in piston rod (1)
It is provided with pneumostome (7) and oil and gas import (8)；Pneumostome (7) is connect with the first mist of oil pipeline (26), the first mist of oil pipeline
It (26) include the first mist of oil pipeline, in the first mist of oil pipeline by successively being gone here and there close to pneumostome (7) to the direction far from pneumostome (7)
Connection is connected with the first ball valve (12), pressure gauge (13), pressure sensor (14), air accumulator (15), the second ball valve (16), exhaust list
Item valve (17) and muffler (18)；Oil and gas import (8) is connect with the second mist of oil pipeline (27), the second mist of oil pipeline (27) packet
The second mist of oil pipeline is included, by successively going here and there close to oil and gas import (8) to the direction far from oil and gas import (8) on the second mist of oil pipeline
Connection is connected with air inlet individual event valve (9), air inlet ball valve (10) and pneumatic triple piece (11).
2. the sealing for being crushed Oil cylinder according to claim 1 monitors system, it is characterised in that: the cylinder block, including
Piston rod (1), piston (2), cylinder sleeve (3), interior guiding end cap (6)；Piston rod (1) is installed on the support, and cylinder sleeve (3) is set in work
On stopper rod (1) and one end of cylinder sleeve (3) is fixedly connected with interior guiding end cap (6), and interior guiding end cap end design has chamfering, and
Guiding end cap sliding surface is embedded with tin bronze, and interior guiding end cap (6), which is set on piston rod (1) and seals with piston rod (1), to be connected
It connects；The other end of cylinder sleeve (3) is fixedly connected with crusher side walls, crusher side walls, cylinder sleeve (3) inner wall, piston rod (1) outer wall and
Piston (2) outer wall constitutes the second hydraulic fluid chamber (24), piston rod (1) outer wall, cylinder sleeve (3) inner wall, piston (2) inner wall and interior guiding
End cap (6) inner wall constitutes the first hydraulic fluid chamber (23)；Position corresponding with the first hydraulic fluid chamber (23) is set in piston rod (1)
Be equipped with hydraulic fluid port I (29), hydraulic fluid port I (29) is communicated with the first hydraulic fluid chamber (23), the first hydraulic circuit (20) pass through erection support into
Enter and is connect in piston rod (1) with hydraulic fluid port I (29)；
Position corresponding with the second hydraulic fluid chamber (24) is provided with hydraulic fluid port II (28) in the piston rod (1), hydraulic fluid port II (28) and
Second hydraulic fluid chamber (24) communicates, and the second hydraulic circuit (21) enters in piston rod (1) across erection support and hydraulic fluid port II (28)
Connection.
3. the sealing of broken Oil cylinder according to claim 1 or claim 2 monitors system, it is characterised in that: protective jacket (5) set
It is located at the expansion rail that cylinder sleeve (3) constitutes cylinder sleeve (3) outside, and protective jacket (5) passes through outer guiding end cap close to one end of crusher
(4) it is tightly connected with cylinder sleeve (3), the other end of protective jacket (5) is fixed on piston rod (1), and outer guiding end cap end design has
Chamfering, and be oriented to end cap sliding surface and be embedded with tin bronze.
4. a kind of broken Oil cylinder, it is characterised in that: including piston rod (1), piston (2), cylinder sleeve (3), outer guiding end cap (4),
Protective jacket (5), interior guiding end cap (6), pneumostome (7), oil and gas import (8), the first hydraulic circuit (20), the second hydraulic circuit
(21), the first hydraulic fluid chamber (23), the second hydraulic fluid chamber (24), mist of oil chamber (25)；
Piston rod (1) is installed on the support, and cylinder sleeve (3) is set on piston rod (1) and one end of cylinder sleeve (3) and interior guiding end cap
(6) it is fixedly connected, interior guiding end cap (6) is set on piston rod (1) and is tightly connected with piston rod (1)；Cylinder sleeve (3) it is another
End is fixedly connected with crusher side walls, and crusher side walls, cylinder sleeve (3) inner wall, piston rod (1) outer wall and piston (2) outer wall are constituted
Second hydraulic fluid chamber (24), piston rod (1) outer wall, cylinder sleeve (3) inner wall, piston (2) inner wall and interior guiding end cap (6) inner wall are constituted
First hydraulic fluid chamber (23)；Position corresponding with the first hydraulic fluid chamber (23) is provided with hydraulic fluid port I (29) in piston rod (1),
Hydraulic fluid port I (29) is communicated with the first hydraulic fluid chamber (23), the first hydraulic circuit (20) pass through erection support enter in piston rod (1) with
Hydraulic fluid port I (29) connection；
Position corresponding with the second hydraulic fluid chamber (24) is provided with hydraulic fluid port II (28) in the piston rod (1), hydraulic fluid port II (28) and
Second hydraulic fluid chamber (24) communicates, and the second hydraulic circuit (21) enters in piston rod (1) across erection support and hydraulic fluid port II (28)
Connection；
Protective jacket (5) is set in the expansion rail that cylinder sleeve (3) constitutes cylinder sleeve (3) outside, and protective jacket (5) is close to one end of crusher
It is tightly connected by outer guiding end cap (4) and cylinder sleeve (3), the other end of protective jacket (5) is fixed on piston rod (1)；Cylinder sleeve (3)
Outer wall, outer guiding end cap (4) inner wall, protective jacket (5) inner wall, piston rod (1) outer wall and interior guiding end cap (6) outer wall constitute mist of oil
Chamber (25)；Position corresponding with mist of oil chamber (25) is provided with pneumostome (7) and oil and gas import (8) in piston rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821020590.4U CN208487087U (en) | 2018-06-29 | 2018-06-29 | Broken Oil cylinder and its sealing monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821020590.4U CN208487087U (en) | 2018-06-29 | 2018-06-29 | Broken Oil cylinder and its sealing monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208487087U true CN208487087U (en) | 2019-02-12 |
Family
ID=65249276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821020590.4U Withdrawn - After Issue CN208487087U (en) | 2018-06-29 | 2018-06-29 | Broken Oil cylinder and its sealing monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208487087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679043A (en) * | 2018-06-29 | 2018-10-19 | 中铁工程装备集团有限公司 | A kind of broken Oil cylinder and its sealing monitoring system |
-
2018
- 2018-06-29 CN CN201821020590.4U patent/CN208487087U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679043A (en) * | 2018-06-29 | 2018-10-19 | 中铁工程装备集团有限公司 | A kind of broken Oil cylinder and its sealing monitoring system |
| CN108679043B (en) * | 2018-06-29 | 2023-09-22 | 中铁工程装备集团有限公司 | Crusher oil cylinder and sealing monitoring system thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190212 Effective date of abandoning: 20230922 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190212 Effective date of abandoning: 20230922 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |