CN113944667A - Safety type self-disengaging garbage truck hydraulic oil pipe - Google Patents
Safety type self-disengaging garbage truck hydraulic oil pipe Download PDFInfo
- Publication number
- CN113944667A CN113944667A CN202111202804.6A CN202111202804A CN113944667A CN 113944667 A CN113944667 A CN 113944667A CN 202111202804 A CN202111202804 A CN 202111202804A CN 113944667 A CN113944667 A CN 113944667A
- Authority
- CN
- China
- Prior art keywords
- hole
- buffer
- communicated
- hydraulic oil
- garbage truck
- 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.)
- Pending
Links
- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 44
- 230000003139 buffering effect Effects 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 230000007306 turnover Effects 0.000 abstract description 10
- 230000007423 decrease Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/027—Throttle passages
Abstract
The invention discloses a safety type self-disengaging garbage truck hydraulic oil pipe, which comprises a pipe head, a buffering structure and a pipe body; one end of the buffer structure is communicated with the tube head, and the other end of the buffer structure is communicated with the tube body; the buffer structure is internally provided with a first through hole, a buffer cavity, a buffer part and a second through hole; the first through hole, the buffer cavity and the second through hole are sequentially communicated, and the buffer part is movably arranged in the buffer cavity; a buffer hole is arranged in the buffer part, the aperture of the buffer hole is smaller than that of the first through hole, and the aperture of the buffer hole is smaller than that of the second through hole; the first through hole is communicated with the tube head, and the second through hole is communicated with the tube body. The aperture through designing the buffer hole is less than the aperture of first through-hole and second through-hole, lets hydraulic oil reduce at the downthehole flow of buffer, and then control power take off, makes the turnover device motion of garbage truck at controllable scope, makes the garbage bin promote and descend the speed when suitable position and weaken, avoids garbage bin collision garbage truck and ground, improves the security and the automation of the garbage bin of being convenient for breaks away from.
Description
Technical Field
The invention relates to the technical field of hydraulic oil pipe structures, in particular to a safety self-disengaging hydraulic oil pipe suitable for a garbage truck.
Background
The existing garbage truck usually drives a turnover device for turning over a garbage can by means of a hydraulic oil cylinder, so that garbage in the garbage can is automatically collected and the garbage can which is completely turned over is placed. The hydraulic oil pipe is arranged outside the hydraulic oil cylinder, and the hydraulic oil pipe is communicated with the oil nozzle of the hydraulic oil cylinder through the cylinder wall, so that hydraulic oil forms a passage between the hydraulic oil pipe and the hydraulic oil cylinder. The existing garbage truck is difficult to control the movement of the turnover device when lifting and descending the garbage can, so that the lifted garbage can slightly collide with the turnover device, and the descending garbage can collides with the ground, and certain potential safety hazards can be brought. Therefore, structural improvement needs to be performed on the hydraulic oil pipe to control the flow of hydraulic oil in the hydraulic oil cylinder, so as to control the movement of the turnover device.
Disclosure of Invention
Aiming at the technical problem of potential safety hazard caused by the fact that the existing garbage truck is difficult to accurately control the turnover device for turning over the garbage can, the invention can adjust the flow of hydraulic oil in the hydraulic oil cylinder by improving the structure of the hydraulic oil pipe, so as to accurately control the turnover device, ensure that the garbage can be safely lifted and put down, and ensure that the garbage can be better and automatically separated from the turnover device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a safety type hydraulic oil pipe of a self-disengaging garbage truck comprises a pipe head, a buffering structure and a pipe body;
one end of the buffer structure is communicated with the tube head, and the other end of the buffer structure is communicated with the tube body;
the buffer structure is internally provided with a first through hole, a buffer cavity, a buffer part and a second through hole;
the first through hole, the buffer cavity and the second through hole are sequentially communicated, and the buffer part is movably arranged in the buffer cavity;
a buffer hole is arranged in the buffer part, the orifice of the buffer hole is over against the orifices of the first through hole and the second through hole, the aperture of the buffer hole is smaller than that of the first through hole, and the aperture of the buffer hole is smaller than that of the second through hole;
the first through hole is communicated with the tube head, and the second through hole is communicated with the tube body.
Specifically, the number of the tube heads is two;
the two pipe ends are arranged at the two ends of the pipe body;
one pipe head is communicated with the buffering structure, and the other pipe head is communicated with the pipe body, so that the two pipe heads, the buffering structure and the pipe body are communicated with each other.
Specifically, internal threads are arranged in the pipe head and used for fixing the threads;
the pipe body is internally provided with a pore passage which is communicated with the second through hole.
Specifically, the first through hole is divided into a horn mouth and a cylindrical hole;
the bell mouth is communicated with the tube head.
Specifically, the buffer part is columnar, the buffer cavity is a columnar cavity, the size of the buffer part is matched with that of the buffer cavity,
The height of the buffer part is less than the length of the buffer cavity;
the buffer part can slide along the cavity wall of the buffer cavity.
Specifically, the buffer hole is divided into a first pot-shaped hole, an inner hole and a second pot-shaped hole which are arranged in sequence, and the first pot-shaped hole, the inner hole and the second pot-shaped hole are communicated.
Specifically, the aperture of the first pot-shaped hole is increased along with the decrease of the distance between the first pot-shaped hole and the first through hole;
the aperture of the second pot-shaped hole is increased along with the reduction of the distance between the second pot-shaped hole and the second through hole.
Specifically, the buffer part is provided with a through guide hole;
the buffer cavity is provided with a guide rod, and two ends of the guide rod are abutted against the cavity wall of the buffer cavity;
the aperture of the guide hole is matched with the diameter of the guide rod, and the guide hole of the buffer part slides along the guide rod.
Specifically, the number of the guide holes is two, and the two guide holes are symmetrically arranged by the axis of the buffer part;
the guide bars are two, and two guide bars are arranged outside the aperture range of the second through hole.
According to the safety type self-disengaging garbage truck hydraulic oil pipe, the buffering structure is arranged between the pipe head and the pipe body, specifically, the aperture of the buffering hole is designed to be smaller than the apertures of the first through hole and the second through hole, so that the flow of hydraulic oil in the buffering hole is reduced, the power output is controlled, the turnover device of a garbage truck moves in a controllable range, the speed of a garbage can is reduced when the garbage can is lifted and lowered to a proper position, the garbage can is prevented from colliding with the garbage truck and the ground, the safety is improved, and the garbage can is conveniently and automatically disengaged.
Drawings
FIG. 1 is a schematic structural diagram of a hydraulic oil pipe of a safety type self-disengaging garbage truck;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural view of a portion of FIG. 2;
FIG. 4 is a schematic view of the buffer part of FIG. 3;
FIG. 5 is an enlarged view of the location indicated by B in FIG. 3;
FIG. 6 is a schematic view of the buffer portion;
fig. 7 is a sectional view of a symmetrical position of the buffer portion.
Description of reference numerals:
100-safety type hydraulic oil pipe of self-disengaging garbage truck;
1-pipe head, 11-internal thread;
2-buffer structure, 21-first through hole, 211-bell mouth, 212-cylindrical hole, 22-buffer cavity, 23-buffer part, 231-buffer hole, 2311-first pot-shaped hole, 2312-inner hole, 2313-second pot-shaped hole, 232-guide hole, 24-guide rod and 25-second through hole;
3-pipe body and 31-pore channel.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1, the safety type self-disengaging garbage truck hydraulic oil pipe 100 includes a pipe head 1, a buffering structure 2 and a pipe body 3. Wherein, 2 one ends intercommunication tube heads 1 of buffer structure, 2 other ends intercommunication bodys 3 of buffer structure.
In particular, please refer to fig. 2-5. The buffer structure 2 is internally provided with a first through hole 21, a buffer cavity 22, a buffer part 23 and a second through hole 25, the first through hole 21, the buffer cavity 22 and the second through hole 25 are sequentially communicated, and the buffer part 23 is movably arranged in the buffer cavity 22.
Please refer to fig. 2-5. A buffer hole 231 is arranged in the buffer part 23, the 231 hole of the buffer hole is just opposite to the holes of the first through hole 21 and the second through hole 25, the hole diameter of the buffer hole 231 is smaller than that of the first through hole 21, and the hole diameter of the buffer hole 231 is smaller than that of the second through hole 25. The first through hole 21 communicates with the pipe head 1, and the second through hole 25 communicates with the pipe body 3.
Thus, the pipe head 1, the buffer structure 2 and the pipe body 3 form a passage for internal circulation of the hydraulic oil pipe. And the aperture through designing buffer hole 231 is less than the aperture of first through-hole 21 and second through-hole 25, lets hydraulic oil flow reduce in buffer hole 231, and then control power take off, makes the turnover device motion of garbage truck at controllable scope, makes the garbage bin promote and descend the speed when the suitable position to reduce, avoids garbage bin collision garbage truck and ground, improves the security and the automation of the garbage bin of being convenient for breaks away from.
Referring to fig. 1-2, more specifically, two tube heads 1 are provided, two tube heads 1 are disposed at two ends of the tube body 3, one tube head 1 is communicated with the buffer structure 2, and the other tube head 1 is communicated with the tube body 3, so that the two tube heads 1, the buffer structure 2 and the tube body 3 are communicated with each other. In this embodiment, the structure of the safety type self-disengaging garbage truck hydraulic oil pipe 100 is the pipe head 1, the buffer structure 2, the pipe body 3 and the pipe head 1 in sequence, of course, the buffer structure 2 may be a plurality of structures, and the positions thereof may be at both ends of the pipe body 3.
In addition, referring to fig. 1-2, the pipe head 1 is provided with an internal thread 11, and the internal thread 11 provided in the pipe head 1 is used for fixing with an external thread, such as a nipple of a hydraulic cylinder.
Referring to fig. 2-3, the duct 31 is disposed in the tube 3, and the duct 31 is communicated with the second through hole 25. To facilitate the flow of the hydraulic oil, the orifice 31 has the same diameter as the second through-hole 25.
For a more detailed structure of the buffer structure 2, please refer to fig. 3-5. First through-hole 21 divide into horn mouth 211 and cylindrical hole 212, and wherein, horn mouth 211 and tube head 1 intercommunication, because the aperture size of the fixed external interface of tube head 1 differs, horn mouth 211 can communicate with the external interface of different aperture sizes better to be favorable to the flow and the gathering of hydraulic oil.
For the matching structure of the buffer portion 23 and the buffer cavity 22, refer to fig. 4-6. The buffer part 23 is columnar, the buffer cavity 22 is columnar, the size of the buffer part 23 is matched with that of the buffer cavity 22, and the height of the buffer part 23 is smaller than the length of the buffer cavity 22, so that the buffer part 23 can be arranged along the cavity wall of the buffer cavity 22. More specifically, the sliding buffer portion 23 is preferably cylindrical, and the buffer chamber 22 is preferably a cylindrical chamber to facilitate the sliding of the buffer portion 23 in the buffer chamber 22.
For the fine structure of the buffer holes 231, please refer to fig. 5-7. The buffer hole 231 is divided into a first pot-shaped hole 2311, an inner hole 2312 and a second pot-shaped hole 2313 which are sequentially arranged, and the first pot-shaped hole 2311, the inner hole 2312 and the second pot-shaped hole 2313 are communicated. And the aperture of the first pot-shaped hole 2311 increases as the distance between the first pot-shaped hole 2311 and the cylindrical hole 212 decreases, and the aperture of the second pot-shaped hole 2313 increases as the distance between the second pot-shaped hole and the second through hole 25 decreases.
The structure of the buffer hole 231 is better convenient for controlling the flow of the hydraulic oil, and the structures of the first pot-shaped hole 2311 and the second pot-shaped hole 2313 are beneficial to concentrating the acting force of the hydraulic oil on the buffer part 23 and pushing the buffer part 23 to slide back and forth in the buffer cavity 22, so that the dispersion of the hydraulic oil is avoided to a certain extent.
In order to make the buffer portion 23 slide better, the buffer portion 23 is provided with a guide hole 232 therethrough, a guide rod 24 is provided in the buffer chamber 22, and both ends of the guide rod 24 abut against the chamber wall of the buffer chamber 22. The diameter of the guide hole 232 is matched with the diameter of the guide rod 24, and the guide hole 232 of the buffer part 23 slides along the guide rod 24 arranged in the buffer cavity 22.
In order to make the buffer portion 23 slide better and prevent the buffer portion 23 from receiving the irregular force of the hydraulic oil, the buffer portion 23 rotates in the buffer chamber 22. Two guide holes 232 are provided, and the two guide holes 232 are provided symmetrically with respect to the axial center of the cushion portion 23. The number of the guide rods 24 is two, and the two guide rods 24 are disposed outside the range of the aperture of the second through hole 25.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A safety type hydraulic oil pipe of a self-disengaging garbage truck is characterized by comprising a pipe head, a buffering structure and a pipe body;
one end of the buffer structure is communicated with the tube head, and the other end of the buffer structure is communicated with the tube body;
the buffer structure is internally provided with a first through hole, a buffer cavity, a buffer part and a second through hole;
the first through hole, the buffer cavity and the second through hole are sequentially communicated, and the buffer part is movably arranged in the buffer cavity;
a buffer hole is arranged in the buffer part, the orifice of the buffer hole is over against the orifices of the first through hole and the second through hole, the aperture of the buffer hole is smaller than that of the first through hole, and the aperture of the buffer hole is smaller than that of the second through hole;
the first through hole is communicated with the tube head, and the second through hole is communicated with the tube body.
2. The safety type self-disengaging garbage truck hydraulic oil pipe as claimed in claim 1, wherein the number of the pipe heads is two;
the two pipe ends are arranged at the two ends of the pipe body;
One pipe head is communicated with the buffering structure, and the other pipe head is communicated with the pipe body, so that the two pipe heads, the buffering structure and the pipe body are communicated with each other.
3. The safety type self-disengaging garbage truck hydraulic oil pipe according to claim 1,
the pipe head is internally provided with internal threads for fixing the threads;
the pipe body is internally provided with a pore passage which is communicated with the second through hole.
4. The safety type self-disengaging garbage truck hydraulic oil pipe according to any one of claims 1 to 3, wherein the first through hole is divided into a bell mouth and a cylindrical hole;
the bell mouth is communicated with the tube head.
5. The safety type self-disengaging garbage truck hydraulic oil pipe according to claim 4,
the buffer part is columnar, the buffer cavity is a columnar cavity, the size of the buffer part is matched with that of the buffer cavity, and the buffer part can slide along the cavity wall of the buffer cavity;
the height of the buffer part is less than the length of the buffer cavity.
6. The safety type self-disengaging garbage truck hydraulic oil pipe according to claim 5,
the buffer hole is divided into a first pot-shaped hole, an inner hole and a second pot-shaped hole which are sequentially arranged, and the first pot-shaped hole, the inner hole and the second pot-shaped hole are communicated.
7. The safety type self-disengaging garbage truck hydraulic oil pipe according to claim 6,
The aperture of the first pot-shaped hole is increased along with the reduction of the distance between the first pot-shaped hole and the first through hole;
the aperture of the second pot-shaped hole is increased along with the reduction of the distance between the second pot-shaped hole and the second through hole.
8. The safety type self-disengaging garbage truck hydraulic oil pipe according to claim 5,
the buffer part is provided with a through guide hole;
the buffer cavity is provided with a guide rod, and two ends of the guide rod are abutted against the cavity wall of the buffer cavity;
the aperture of the guide hole is matched with the diameter of the guide rod, and the guide hole of the buffer part slides along the guide rod.
9. The safety type self-disengaging garbage truck hydraulic oil pipe according to claim 8,
the two guide holes are symmetrically arranged by the axis of the buffer part;
the guide bars are two, and two guide bars are arranged outside the aperture range of the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202804.6A CN113944667A (en) | 2021-10-15 | 2021-10-15 | Safety type self-disengaging garbage truck hydraulic oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202804.6A CN113944667A (en) | 2021-10-15 | 2021-10-15 | Safety type self-disengaging garbage truck hydraulic oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113944667A true CN113944667A (en) | 2022-01-18 |
Family
ID=79330165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111202804.6A Pending CN113944667A (en) | 2021-10-15 | 2021-10-15 | Safety type self-disengaging garbage truck hydraulic oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113944667A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3612752A1 (en) * | 1986-04-16 | 1987-10-22 | Festo Kg | Choke arrangement |
| EP0482904A1 (en) * | 1990-10-23 | 1992-04-29 | Neil Allen | Flow restrictor |
| US20050045239A1 (en) * | 2003-08-29 | 2005-03-03 | Krieger Clifford P. | Method and apparatus for reduction of fluid-borne noise in hydraulic systems |
| CN102359695A (en) * | 2011-09-26 | 2012-02-22 | 奇瑞汽车股份有限公司 | Hydraulic power-assisted steering oil return line and method for reducing noises thereof |
| CN104487751A (en) * | 2012-07-13 | 2015-04-01 | Smc株式会社 | Pipe joint |
| CN105156756A (en) * | 2015-10-10 | 2015-12-16 | 中国水利水电科学研究院 | Annular floater type water hammer preventing high-speed air inlet and outlet valve |
| US20170356585A1 (en) * | 2015-01-14 | 2017-12-14 | Hydac Technology Gmbh | Damping device |
| CN208474742U (en) * | 2018-05-24 | 2019-02-05 | 绍兴永宇机械有限公司 | A kind of pipe fitting with metering function |
| CN208474711U (en) * | 2018-05-23 | 2019-02-05 | 绍兴永宇机械有限公司 | A kind of new type explosion proof hydraulic joint |
| CN111206654A (en) * | 2020-01-18 | 2020-05-29 | 顾地科技股份有限公司 | Silencing drainage pipe and connecting pipe head |
| CN112923153A (en) * | 2021-01-29 | 2021-06-08 | 吉安音妍电子科技有限公司 | Bending-resistant throttling socket type HDPE winding reinforced pipe |
-
2021
- 2021-10-15 CN CN202111202804.6A patent/CN113944667A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3612752A1 (en) * | 1986-04-16 | 1987-10-22 | Festo Kg | Choke arrangement |
| EP0482904A1 (en) * | 1990-10-23 | 1992-04-29 | Neil Allen | Flow restrictor |
| US20050045239A1 (en) * | 2003-08-29 | 2005-03-03 | Krieger Clifford P. | Method and apparatus for reduction of fluid-borne noise in hydraulic systems |
| CN102359695A (en) * | 2011-09-26 | 2012-02-22 | 奇瑞汽车股份有限公司 | Hydraulic power-assisted steering oil return line and method for reducing noises thereof |
| CN104487751A (en) * | 2012-07-13 | 2015-04-01 | Smc株式会社 | Pipe joint |
| US20170356585A1 (en) * | 2015-01-14 | 2017-12-14 | Hydac Technology Gmbh | Damping device |
| CN105156756A (en) * | 2015-10-10 | 2015-12-16 | 中国水利水电科学研究院 | Annular floater type water hammer preventing high-speed air inlet and outlet valve |
| CN208474711U (en) * | 2018-05-23 | 2019-02-05 | 绍兴永宇机械有限公司 | A kind of new type explosion proof hydraulic joint |
| CN208474742U (en) * | 2018-05-24 | 2019-02-05 | 绍兴永宇机械有限公司 | A kind of pipe fitting with metering function |
| CN111206654A (en) * | 2020-01-18 | 2020-05-29 | 顾地科技股份有限公司 | Silencing drainage pipe and connecting pipe head |
| CN112923153A (en) * | 2021-01-29 | 2021-06-08 | 吉安音妍电子科技有限公司 | Bending-resistant throttling socket type HDPE winding reinforced pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105443491B (en) | Fork truck lifting oil cylinder | |
| CN202132304U (en) | High-pressure oil cylinder with combined buffering device in rodless cavity | |
| CN105422722B (en) | Variable damping gap magneto-rheological and its self-adaptation control method | |
| CN202175486U (en) | Hydraulic buffer of gas reset throttling hole for elevator | |
| CN113944667A (en) | Safety type self-disengaging garbage truck hydraulic oil pipe | |
| CN103486184A (en) | Piston assembly of shock absorber | |
| CN102235395B (en) | Magnetic coupling triaxial cylinder with adjustable buffer mechanism | |
| CN101776104A (en) | Single-acting plunger type buffering hydraulic oil cylinder | |
| JPS5947118B2 (en) | Pneumatic driving drilling device | |
| CN116658564B (en) | Damping hydraulic cylinder | |
| CN206493988U (en) | Vehicle steering column outer tube, vehicle steering column and vehicle | |
| KR20170020031A (en) | Double acting piston cylinder having improved cushion structure | |
| CN108131413B (en) | Magnetic control collision buffer | |
| CN107264641B (en) | A kind of automatic jacking system of automobile engine cover | |
| CN207288431U (en) | Wire rod eminence actinobacillus device | |
| CN210623268U (en) | Centering oil cylinder with bidirectional buffering function and crane | |
| CN105711528B (en) | A kind of front of the car collision-resistant device reducing passenger's injury | |
| CN110979250A (en) | Lifting device | |
| CN206826779U (en) | vehicle air dam and vehicle | |
| KR20100049402A (en) | Variable type clamp device | |
| CN103629188B (en) | Buffer device for actuator drum | |
| CN110822005A (en) | Damping self-adaptive adjustment vibration reducer and automobile | |
| CN103821789A (en) | Full-closed multi-speed buffering driven hydraulic cylinder | |
| CN206954175U (en) | The automatic jacking system of automobile engine cover | |
| CN104776154A (en) | Single-cylinder single-rod magnetorheological damper for automobile |
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 |