CN112128301A - Hydraulic shock-absorbing structure - Google Patents

Hydraulic shock-absorbing structure Download PDF

Info

Publication number
CN112128301A
CN112128301A CN202010786279.6A CN202010786279A CN112128301A CN 112128301 A CN112128301 A CN 112128301A CN 202010786279 A CN202010786279 A CN 202010786279A CN 112128301 A CN112128301 A CN 112128301A
Authority
CN
China
Prior art keywords
liquid
hydraulic shock
cylinder
hole
pipe
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.)
Granted
Application number
CN202010786279.6A
Other languages
Chinese (zh)
Other versions
CN112128301B (en
Inventor
熊新
郑竹安
高豪杰
翟豪瑞
石小龙
邵俊
施港伟
赵峻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yancheng Institute of Technology
Original Assignee
Yancheng Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yancheng Institute of Technology filed Critical Yancheng Institute of Technology
Priority to CN202010786279.6A priority Critical patent/CN112128301B/en
Publication of CN112128301A publication Critical patent/CN112128301A/en
Application granted granted Critical
Publication of CN112128301B publication Critical patent/CN112128301B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00Liquid cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/005Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
    • F16F13/007Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/022Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/19Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • F16F9/3235Constructional features of cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/34Special valve constructions; Shape or construction of throttling passages
    • F16F9/3405Throttling passages in or on piston body, e.g. slots
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/42Cooling arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/43Filling or drainage arrangements, e.g. for supply of gas
    • F16F9/435Filling or drainage arrangements, e.g. for supply of gas via opening in cylinder wall
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/54Arrangements for attachment
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/0434Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention discloses a hydraulic shock absorption structure, which comprises a directional wall and a cylinder barrel, wherein mounting blocks are respectively mounted at one ends of the directional wall and the cylinder barrel, a piston rod is mounted in the middle of the directional wall, the top end of the piston rod is connected with a piston block, a plurality of shock absorption holes are formed in the piston block, a plurality of liquid inlet holes are formed in the upper end of the cylinder barrel, a liquid suction port is connected to the top of each liquid inlet hole, a plurality of liquid outlet holes are formed in the lower end of the cylinder barrel, one-way valves are mounted in the liquid inlet holes, the shock absorption holes and the liquid outlet holes, a liquid conveying pipe is connected to the bottom of each liquid outlet hole, a telescopic pipe is connected to the outside of the directional wall in a stretching mode, a liquid conveying hole is connected to the lower end of the telescopic. The invention has the characteristic of using vibration to transmit liquid.

Description

Hydraulic shock-absorbing structure
Technical Field
The invention relates to the technical field of hydraulic shock absorbers, in particular to a hydraulic shock absorption structure.
Background
With the economic development, people have higher and higher requirements on automobiles, including automobile dynamic performance, smoothness, comfort and the like. The shock absorber is a damping device arranged between the vehicle body and the bogie wheel, so that the vibration is attenuated to improve the riding comfort, and meanwhile, the shock absorber is the best way for improving the smoothness of the vehicle, so that the performance of the shock absorber is of great importance.
The existing hydraulic shock absorber only uses the flow of liquid to weaken the vibration, but does not use the flow of the liquid, and if the flow of the liquid is applied to a liquid circulation system of an automobile, the cost of the automobile can be greatly reduced. Therefore, it is necessary to design a hydraulic shock-absorbing structure for fluid transmission using vibration.
Disclosure of Invention
The present invention is directed to a hydraulic shock absorbing structure to solve the above problems.
In order to solve the technical problems, the invention provides the following technical scheme: a hydraulic damping structure comprises an outer barrel and an inner barrel, wherein the outer barrel comprises a directional wall, one end of the directional wall is connected with an outer barrel mounting block, a piston rod is mounted in the middle of the outer barrel mounting block, the top end of the piston rod is connected with a piston block, a plurality of damping holes are formed in the piston block, damping check valves are respectively mounted in the damping holes, the inner barrel comprises a cylinder barrel, one end of the cylinder barrel is connected with an inner barrel mounting block, the other end of the cylinder barrel is provided with a sealing opening, the inner wall of the directional wall and the outer wall of the cylinder barrel are of a matched structure, the sealing opening and the piston rod are of a matched structure, the inner wall of the cylinder barrel and the piston block are of a matched structure, a supporting spring is mounted between the outer barrel mounting block and the inner barrel mounting block, the outer barrel mounting block and the inner barrel mounting block are used, when the vibration is received, the outer cylinder and the inner cylinder contract, the piston rod pushes the piston block to move upwards to extrude liquid in the cylinder barrel, the liquid inlet one-way valve and the liquid outlet one-way valve are both closed at the moment, the damping one-way valve is opened, and the liquid on the upper layer of the cylinder barrel passes through the damping hole to flow to the lower part of the cylinder barrel.
According to the technical scheme, the cylinder upper end is provided with a plurality of feed liquor holes, install the feed liquor check valve in the feed liquor hole respectively, feed liquor hole top intercommunication each other, inner tube installation piece one side is provided with the imbibition mouth, imbibition mouth inwards extends to feed liquor hole top, and after hydraulic shock-absorbing structure compression, supporting spring promoted urceolus and inner tube expansion, and the damping check valve is closed this moment, and the feed liquor check valve is for opening, in the piston block downstream, can be through imbibition mouth from outside toward the cylinder upper strata imbibition liquid.
According to the technical scheme, the cylinder lower extreme is provided with a plurality of liquid holes, install out the liquid check valve in the liquid hole respectively, go out liquid hole bottom intercommunication each other, it is connected with the transfer line to go out liquid hole bottom, directional wall one side is provided with the infusion tube groove, the transfer line stretches out directional wall back downwarping through the infusion tube groove, and when piston block downstream, the shock attenuation check valve is closed, goes out the liquid check valve and for opening, and the piston block can release the liquid of cylinder lower floor to the transfer line, makes this hydraulic shock-absorbing structure can carry out the transport of liquid in the absorbing.
According to the technical scheme, urceolus installation piece one side is provided with the transfusion hole, install flexible pipe between transfusion hole and the transfer line, flexible pipe includes the hose, the hose upper end links to each other with the transfer line, the hose lower extreme links to each other with the transfusion hole, the hose outside is connected with a plurality of elastic rings, if directly carry out the transport of liquid from the transfer line, the water pipe needs to pass supporting spring and links to each other with the transfer line, and when hydraulic shock-absorbing structure compressed, supporting spring can extrude and damage the water pipe, consequently, carries liquid to the transfusion hole through the hose and discharges, can avoid the water pipe to be pressed from both sides by supporting spring and damage.
According to the technical scheme, the telescopic pipe outer sleeve is provided with the telescopic pipe guiding device, the telescopic pipe guiding device comprises the connecting block, the connecting block is installed above the infusion pipe groove, a plurality of guide posts are installed between the connecting block and the outer cylinder installation block, a plurality of expansion plates are installed on the guide posts, the hose can be guaranteed to be contracted when the hydraulic damping structure is contracted through the guide posts and the expansion plates, and the hose is prevented from being bent when the hydraulic damping structure is contracted and clamped by the supporting spring.
According to the technical scheme, the expansion plate comprises a thick plate, a thin plate is connected to the middle of the thick plate, a plurality of guide post grooves are formed in the thick plate, the guide post grooves and the guide posts are of a matched structure, a hose hole is formed in the middle of the thin plate, an elastic ring groove is formed in the inner side of the hose hole, the elastic ring groove and the elastic ring are of a matched structure, the expansion plate can only move up and down along the guide posts through the matching of the guide post grooves and the guide posts, the elastic ring is clamped in the elastic ring groove, the expansion plate is connected with the expansion pipe, and the expansion pipe can move together with the expansion plate.
According to the technical scheme, a plurality of roller grooves are formed in the inner sides of the thick plates, rollers are respectively installed in the roller grooves, connecting rods are connected between the rollers of the upper thick plate and the lower thick plate in a staggered mode, rotating shafts of the two connecting rods on the same side are connected, when the hydraulic damping structure extends, the first expansion plate is pulled, the rollers between the first expansion plate and the second expansion plate roll towards the middle of the rolling thick plate, the connecting rods are changed into X shapes, the upper expansion plate and the lower expansion plate are separated, meanwhile, the expansion pipe on the inner side is driven to extend, when the rollers roll to the tail ends of the roller grooves, the second expansion plate is pulled up, the next expansion plate repeats the process to achieve the effect of extending the expansion pipe, otherwise, when the hydraulic damping structure is compressed, the connecting rods can be in an original shape due to.
According to the technical scheme, an engine hydraulic damping system is arranged outside the hydraulic damping structure and comprises a supporting plate, an inner cylinder mounting block is connected with the bottom of the supporting plate, an engine is mounted on the supporting plate, a heat absorption pipe is wound outside the engine, one end of the heat absorption pipe is connected with a liquid conveying hole through a water pipe, the other end of the heat absorption pipe is connected with a radiating fin through a water pipe, the radiating fin is connected with a cooling liquid tank through a water pipe, the lower end of the cooling liquid tank is connected with a liquid suction port through a water pipe, when the engine vibrates, the hydraulic damping structure can use cooling liquid in the cooling liquid tank to damp, meanwhile, the cooling liquid is conveyed to the heat absorption pipe to absorb heat of the engine, then the heat is dissipated to the radiating fin along the water pipe, and finally the cooling liquid tank returns to form circulation, so that when, the more violent the engine works, the larger the vibration, and the delivery speed of the cooling liquid can be increased along with the violent engine work, so that the cooling speed can be automatically adapted to the working condition of the engine.
According to the technical scheme, a suspension hydraulic damping system is arranged outside the hydraulic damping structure, the suspension hydraulic damping system comprises a suspension, the outer cylinder mounting blocks are respectively connected with the suspension system, the suspension hydraulic damping system also comprises a gear box, the transfusion holes are respectively connected with the upper end of the gear box through water pipes, the bottom end of the gear box is connected with a lubricating liquid tank through a water pipe, the bottom end of the lubricating liquid tank is connected with a liquid suction port through a water pipe, when an automobile runs, the vibration of the suspension is absorbed by the hydraulic damping structure, the hydraulic damping structure absorbs the lubricating liquid in the lubricating liquid tank for damping, meanwhile, the lubricating liquid is conveyed to the upper part of the gearbox, the lubricating liquid falls onto the speed changer from the upper part for lubrication, the redundant lubricating liquid falls onto the lower end of the gearbox, then flows into the lubricating fluid tank, and achieves the effect of lubricating the transmission while damping the suspension.
Compared with the prior art, the invention has the following beneficial effects: in the invention, the raw materials are mixed,
(1) the hydraulic damping structure can convey liquid while damping by being provided with the liquid suction port and the liquid conveying hole;
(2) through being provided with flexible pipe guider, guide the hose when hydraulic shock-absorbing structure contracts, prevent that the hose from crooked when hydraulic shock-absorbing structure contracts, being cliied by supporting spring.
(3) By arranging the hydraulic shock absorption system of the engine, when the engine is damped, cooling liquid is conveyed to the heat absorption pipe to cool the engine;
(4) through being provided with suspension hydraulic damping system, when the shock attenuation suspension, carry lubricated liquid at the gearbox upper end, for the derailleur is lubricated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the outer cylinder of the present invention;
FIG. 3 is a schematic view of a telescopic tube structure of the present invention;
FIG. 4 is a schematic view of the expansion plate of the present invention;
FIG. 5 is a schematic illustration of the engine hydraulic damping system of the present invention;
FIG. 6 is a schematic view of the suspension hydraulic damping system of the present invention;
in the figure: 1. an outer cylinder; 11. a directional wall; 12. an outer cylinder mounting block; 13. a piston rod; 14. a piston block; 15. a shock absorbing hole; 16. a damping one-way valve; 17. a transfusion tube groove; 18. a transfusion hole; 2. an outer cylinder; 21. a cylinder barrel; 22. an inner cylinder mounting block; 23. sealing the opening; 24. a liquid inlet; 25. a liquid inlet check valve; 26. a liquid suction port; 27. a liquid outlet hole; 28. a liquid outlet one-way valve; 29. a transfusion tube; 3. a support spring; 4. a tension spring; 41. a hose; 42. an elastic ring; 5. a telescopic tube guiding device; 51. connecting blocks; 52. a guide post; 53. a retractable plate; 531. thick plate; 532. a thin plate; 533. a guide post groove; 534. a hose hole; 535 an elastic ring groove; 536. a roller groove; 537. a roller; 538. a connecting rod; 6. an engine hydraulic damping system; 61. a support plate; 62. an engine; 63. a heat absorbing tube; 64. a heat sink; 65. a coolant tank; 7. a suspension hydraulic damping system; 71. a suspension system; 72. a gearbox; 73. and a lubricating liquid tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: referring to fig. 1, a hydraulic damping structure comprises an outer cylinder 1 and an inner cylinder 2, wherein the outer cylinder 1 comprises a directional wall 11, one end of the directional wall 11 is connected with an outer cylinder mounting block 12, a piston rod 13 is mounted in the middle of the outer cylinder mounting block 12, the top end of the piston rod 13 is connected with a piston block 14, a plurality of damping holes 15 are formed in the piston block 14, damping check valves 16 are respectively mounted in the damping holes 15, the inner cylinder 2 comprises a cylinder 21, one end of the cylinder 21 is connected with an inner cylinder mounting block 22, the other end of the cylinder 21 is provided with a sealing port 23, the inner wall of the directional wall 11 and the outer wall of the cylinder 21 are of a matching structure, the sealing port 23 and the piston rod 13 are of a matching structure, the inner wall of the cylinder 21 and the piston block 14 are of a matching structure, a supporting spring 3 is mounted between the outer cylinder mounting block 12 and the inner cylinder mounting, the supporting spring 3 plays a role in supporting an external structure, when the external structure is vibrated, the external cylinder 1 and the internal cylinder 2 contract, the piston rod 13 pushes the piston block 14 to move upwards to extrude liquid in the cylinder 21, at the moment, the liquid inlet one-way valve 25 and the liquid outlet one-way valve 28 are both closed, the damping one-way valve 16 is opened, the liquid on the upper layer of the cylinder 21 passes through the damping hole 15 and flows to the lower part of the cylinder 21, and in the process, the friction between the liquid and the damping hole 15 plays a damping role;
as shown in fig. 1, a plurality of liquid inlet holes 24 are formed in the upper end of a cylinder 21, liquid inlet check valves 25 are respectively installed in the liquid inlet holes 24, the tops of the liquid inlet holes 24 are communicated with each other, a liquid suction port 26 is formed in one side of an inner cylinder installation block 22, the liquid suction port 26 extends inwards to the top of the liquid inlet hole 24, after the hydraulic damping structure is compressed, a supporting spring 3 pushes an outer cylinder 1 and an inner cylinder 2 to be unfolded, at the moment, a damping check valve 16 is closed, the liquid inlet check valve 25 is opened, and when a piston block 14 moves downwards, liquid can be sucked into the upper layer of the cylinder 21 from the outside through the liquid suction port 26;
as shown in fig. 1 and 2, a plurality of liquid outlet holes 27 are formed in the lower end of the cylinder 21, liquid outlet check valves 28 are respectively installed in the liquid outlet holes 27, the bottoms of the liquid outlet holes 27 are communicated with each other, a liquid conveying pipe 29 is connected to the bottom of the liquid outlet hole 27, a liquid conveying pipe slot 17 is formed in one side of the directional wall 11, the liquid conveying pipe 29 extends out of the directional wall 11 through the liquid conveying pipe slot 17 and then bends downwards, when the piston block 14 moves downwards, the damping check valve 16 is closed, the liquid outlet check valve 28 is opened, and the piston block 14 can push out liquid in the lower layer of the cylinder 21 to the liquid conveying pipe 29, so that the hydraulic damping structure can convey liquid;
as shown in fig. 1 and 3, a transfusion hole 18 is formed in one side of the outer cylinder mounting block 12, a telescopic tube 4 is mounted between the transfusion hole 18 and a transfusion tube 29, the telescopic tube 4 comprises a hose 41, the upper end of the hose 41 is connected with the transfusion tube 29, the lower end of the hose 41 is connected with the transfusion hole 18, a plurality of elastic rings 42 are connected to the outer side of the hose 41, if liquid is directly conveyed from the transfusion tube 29, a water pipe needs to pass through a supporting spring 3 to be connected with the transfusion tube 29, and when the hydraulic shock absorption structure is compressed, the supporting spring 3 can extrude and damage the water pipe, so that the liquid is conveyed to the transfusion hole 18 through the hose 41 to be discharged, and the;
as shown in fig. 1 and 2, a telescopic tube guiding device 5 is sleeved outside a telescopic tube 4, the telescopic tube guiding device 5 comprises a connecting block 51, the connecting block 51 is installed above a transfusion tube groove 17, a plurality of guide posts 52 are installed between the connecting block 51 and an outer tube installation block 12, a plurality of telescopic plates 53 are installed on the guide posts 52, the telescopic tube 41 can be ensured to be contracted when the hydraulic damping structure is contracted through the guide posts 52 and the telescopic plates 53, and the telescopic tube 41 is prevented from being bent when the hydraulic damping structure is contracted and clamped by a supporting spring 3;
as shown in fig. 4, the retractable plate 53 includes a thick plate 531, a thin plate 532 is connected between the thick plate 531, a plurality of guide post grooves 533 are arranged on the thick plate, the guide post grooves 533 and the guide posts 52 are in a matching structure, a hose hole 534 is arranged in the middle of the thin plate 532, an elastic ring groove 535 is arranged inside the hose hole 534, the elastic ring groove 535 and the elastic ring 42 are in a matching structure, the retractable plate 53 can only move up and down along the guide posts 52 through the matching of the guide post grooves 533 and the guide posts 52, the elastic ring 42 is clamped in the elastic ring groove 535, so that the retractable plate 53 is connected with the retractable pipe 4, and the retractable pipe 4 can move together with the retractable plate 53;
as shown in fig. 4, a plurality of roller grooves 536 are formed in the inner side of the thick plate 531, rollers 537 are respectively installed in the roller grooves 536, connecting rods 538 are alternately connected between the rollers 537 of the upper and lower thick plates 531, the two connecting rods 538 on the same side are rotatably connected, when the hydraulic shock-absorbing structure is extended, the first expansion plate 53 is pulled, the roller 537 between the first and second expansion plates 53 rolls toward the middle of the rolling thick plate 531, so that the connecting rod 538 becomes X-shaped, the upper and lower expansion plates 53 are separated, and the inner expansion tube 4 is simultaneously driven to extend, when the roller 537 rolls to the end of the roller groove 536, the second expansion plate 53 is pulled, and the following expansion plate 53 repeats the above process to achieve the effect of stretching the expansion tube 4, otherwise, when the hydraulic shock-absorbing structure is compressed, the connecting rod 538 is left in the original shape, so that the expansion tube 4 and the expansion.
As shown in fig. 5, an engine hydraulic damping system 6 is arranged outside the hydraulic damping structure, the engine hydraulic damping system includes a supporting plate 61, the inner cylinder mounting block 22 is connected to the bottom of the supporting plate 61, an engine 62 is mounted on the supporting plate 61, a heat absorbing pipe 63 is wound around the engine 62, one end of the heat absorbing pipe 63 is connected to the fluid hole 18 through a water pipe, the other end of the heat absorbing pipe 63 is connected to a heat dissipating fin 64 through a water pipe, the heat dissipating fin 64 is connected to a coolant tank 65 through a water pipe, the lower end of the coolant tank 65 is connected to the fluid suction port 26 through a water pipe, when the engine 62 vibrates, the hydraulic damping structure damps the coolant in the coolant tank 65, and simultaneously delivers the coolant to the heat absorbing pipe 63 to absorb the heat of the engine 62, then flows to the heat dissipating fin 64 along the water pipe to dissipate the heat, and finally returns to, the effect of cooling the engine 62 is achieved, and the more violent the engine 62 is operated, the larger the vibration is, the conveying speed of the cooling liquid can be increased along with the vibration, so that the cooling speed is automatically adapted to the operating condition of the engine 62;
as shown in fig. 6, a suspension hydraulic damping system 7 is arranged outside the hydraulic damping structure, the suspension hydraulic damping system 7 comprises a suspension 71, the outer cylinder mounting blocks 12 are respectively connected with the suspension 71, the suspension hydraulic damping system 7 further comprises a gearbox 72, the fluid transfer holes 18 are respectively connected with the upper end of the gearbox 72 through water pipes, the bottom end of the gearbox 72 is connected with a lubricating fluid tank 73 through a water pipe, the bottom end of the lubricating fluid tank 73 is connected with the fluid suction port 26 through a water pipe, when the automobile is running, the shock of the suspension 71 is absorbed by the hydraulic shock absorbing structure, which absorbs the lubricating fluid in the lubricating fluid tank 73 for shock absorption, meanwhile, the lubricating liquid is conveyed to the upper part of the gearbox 72, the lubricating liquid falls onto the speed changer from the upper part for lubrication, the redundant lubricating liquid falls onto the lower end of the gearbox 72, then flows into the lubricant tank 73, and the effect of lubricating the transmission while damping the suspension 71 is achieved.
The working principle is as follows: the outer cylinder mounting block 12 and the inner cylinder mounting block 22 are used for mounting the hydraulic damping structure into a hydraulic damping system, when the hydraulic damping structure is not vibrated, the supporting spring 3 plays a role of supporting an external structure, when the hydraulic damping structure is vibrated, the outer cylinder 1 and the inner cylinder 2 are contracted, the piston rod 13 pushes the piston block 14 to move upwards to extrude liquid in the cylinder 21, at the moment, the liquid inlet check valve 25 and the liquid outlet check valve 28 are both closed, the damping check valve 16 is opened, the upper layer liquid of the cylinder 21 passes through the damping hole 15 and flows to the lower part of the cylinder 21, in the process, the friction between the liquid and the damping hole 15 plays a damping role, after the compression of the hydraulic damping structure is finished, the supporting spring 3 pushes the outer cylinder 1 and the inner cylinder 2 to expand, at the moment, the damping check valve 16 is closed, the liquid inlet check valve 25 is opened, when the piston block 14 moves downwards, the liquid can be sucked from the external cylinder to the upper, when the piston block 14 moves downwards, the damping one-way valve 16 is closed, the liquid outlet one-way valve 28 is opened, the piston block 14 can push the liquid at the lower layer of the cylinder 21 out to the infusion tube 29, so that the hydraulic damping structure can carry out damping and liquid conveying at the same time, if the liquid is directly conveyed from the infusion tube 29, the water tube needs to pass through the supporting spring 3 to be connected with the infusion tube 29, when the hydraulic damping structure is compressed, the supporting spring 3 can extrude and damage the water tube, therefore, the liquid is conveyed to the infusion hole 18 through the hose 41 to be discharged, the water tube can be prevented from being damaged by the supporting spring 3, the hose 41 can be ensured to be also contracted when the hydraulic damping structure is contracted through the guide post 52 and the expansion plate 53, the hose 41 is prevented from being bent when the hydraulic damping structure is contracted and clamped by the supporting spring 3, and the expansion plate 53 can only move up and down along the guide post 52 through the matching of the guide, when the hydraulic damping structure is expanded, when the first expansion plate 53 is pulled, the roller 537 between the first and second expansion plates 53 rolls towards the middle of the rolling thick plate 531, so that the connecting rod 538 becomes X-shaped, the upper and lower expansion plates 53 are separated, and simultaneously the inner expansion tube 4 is driven to extend, when the roller 537 rolls to the end of the roller groove 536, the second expansion plate 53 is pulled up, and the following expansion plate 53 repeats the above process to achieve the effect of stretching the expansion tube 4, otherwise, when the hydraulic damping structure is compressed, the connecting rod 538 is in an original shape from the X-shape, so that the expansion tube 4 and the expansion plate 53 contract together, when the engine 62 vibrates, the hydraulic damping structure can damp the coolant in the coolant tank 65 and simultaneously convey the coolant to the heat absorption tube 63 to absorb the heat of the engine 62, then, the heat is dissipated to the radiating fins 64 along the water pipe, and finally, the cooling liquid returns to the cooling liquid tank 65 to form a circulation, so that the effect of damping the engine 62 and cooling the engine 62 is achieved, the more violent the operation of the engine 62 is, the larger the vibration is, the conveying speed of the cooling liquid can be increased, the cooling speed is automatically adapted to the operating condition of the engine 62, when the automobile runs, the vibration of the suspension 71 is absorbed by the hydraulic damping structure, the hydraulic damping structure absorbs the lubricating liquid in the lubricating liquid tank 73 to damp, meanwhile, the lubricating liquid is conveyed to the upper part of the gearbox 72, the lubricating liquid falls onto the gearbox from the upper part to be lubricated, and the redundant lubricating liquid falls onto the lower end of the gearbox 72 and then flows into the lubricating liquid tank 73, so that the effect of lubricating the gearbox while damping the suspension 71 is achieved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a hydraulic shock-absorbing structure, includes urceolus (1) and inner tube (2), its characterized in that: the outer cylinder (1) comprises a directional wall (11), one end of the directional wall (11) is connected with an outer cylinder mounting block (12), a piston rod (13) is arranged in the middle of the outer cylinder mounting block (12), the top end of the piston rod (13) is connected with a piston block (14), a plurality of damping holes (15) are arranged on the piston block (14), damping check valves (16) are respectively arranged in the damping holes (15), the inner cylinder (2) comprises a cylinder barrel (21), one end of the cylinder barrel (21) is connected with an inner barrel mounting block (22), the other end of the cylinder barrel (21) is provided with a sealing port (23), the inner wall of the directional wall (11) and the outer wall of the cylinder barrel (21) are in a matching structure, the sealing port (23) and the piston rod (13) are in a matching structure, the inner wall of the cylinder barrel (21) and the piston block (14) are of a matching structure, and a supporting spring (3) is arranged between the outer barrel mounting block (12) and the inner barrel mounting block (22).
2. The hydraulic shock-absorbing structure according to claim 1, wherein: the improved cylinder is characterized in that a plurality of liquid inlet holes (24) are formed in the upper end of the cylinder barrel (21), liquid inlet one-way valves (25) are installed in the liquid inlet holes (24) respectively, the tops of the liquid inlet holes (24) are communicated with each other, a liquid suction port (26) is formed in one side of the inner barrel installation block (22), and the liquid suction port (26) extends inwards to the tops of the liquid inlet holes (24).
3. The hydraulic shock-absorbing structure according to claim 2, wherein: cylinder (21) lower extreme is provided with a plurality of liquid holes (27), install out liquid check valve (28) in liquid hole (27) respectively, go out liquid hole (27) bottom intercommunication each other, it is connected with transfer line (29) to go out liquid hole (27) bottom, directional wall (11) one side is provided with infusion tube groove (17), bend downwards behind directional wall (11) is stretched out through infusion tube groove (17) in transfer line (29).
4. A hydraulic shock-absorbing structure according to claim 3, wherein: urceolus installation piece (12) one side is provided with infusion hole (18), install flexible pipe (4) between infusion hole (18) and transfer line (29), flexible pipe (4) include hose (41), hose (41) upper end links to each other with transfer line (29), hose (41) lower extreme links to each other with infusion hole (18), hose (41) outside is connected with a plurality of elasticity circles (42).
5. The hydraulic shock-absorbing structure according to claim 4, wherein: the telescopic tube guiding device (5) is sleeved outside the telescopic tube (4), the telescopic tube guiding device (5) comprises a connecting block (51), the connecting block (51) is installed above the infusion tube groove (17), a plurality of guide columns (52) are installed between the connecting block (51) and the outer tube installing block (12), and a plurality of telescopic plates (53) are installed on the guide columns (52).
6. The hydraulic shock-absorbing structure according to claim 5, wherein: the expansion plate (53) comprises a thick plate (531), a thin plate (532) is connected in the middle of the thick plate (531), a plurality of guide post grooves (533) are arranged on the thick plate, the guide post grooves (533) and the guide posts (52) are of a matched structure, a hose hole (534) is arranged in the middle of the thin plate (532), an elastic ring groove (535) is arranged on the inner side of the hose hole (534), and the elastic ring groove (535) and the elastic ring (42) are of a matched structure.
7. The hydraulic shock-absorbing structure according to claim 6, wherein: the utility model discloses a two-layer thick plate (531), including thick plate (531), gyro wheel groove (537) are installed respectively to thick plate (531) inboard, gyro wheel (537) of two upper and lower thick plates (531) are connected with connecting rod (538) between the crisscross, two connecting rod (538) rotation axes with one side link to each other.
8. The hydraulic shock-absorbing structure according to claim 7, wherein: the outside of hydraulic shock-absorbing structure is provided with engine hydraulic shock-absorbing system (6), engine hydraulic shock-absorbing system includes backup pad (61), inner tube installation piece (22) link to each other bottom backup pad (61), install engine (62) on backup pad (61), engine (62) outer winding has heat absorption pipe (63), heat absorption pipe (63) one end leads to pipe and links to each other with infusion hole (18), heat absorption pipe (63) other end has fin (64) through the water piping connection, fin (64) lead to pipe connection has coolant liquid case (65), coolant liquid case (65) lower extreme leads to pipe and links to each other with imbibition mouth (26).
9. The hydraulic shock-absorbing structure according to claim 8, wherein: the outer portion of the hydraulic damping structure is provided with a suspension hydraulic damping system (7), the suspension hydraulic damping system (7) comprises a suspension (71), the outer barrel mounting block (12) is connected with the suspension system (71) respectively, the suspension hydraulic damping system (7) further comprises a gearbox (72), the infusion hole (18) is connected with the upper end of the gearbox (72) through a water pipe respectively, the bottom end of the gearbox (72) is connected with a lubricating liquid tank (73) through a water pipe, and the bottom end of the lubricating liquid tank (73) is connected with the liquid suction port (26) through a water pipe.
CN202010786279.6A 2020-08-07 2020-08-07 Hydraulic shock-absorbing structure Active CN112128301B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010786279.6A CN112128301B (en) 2020-08-07 2020-08-07 Hydraulic shock-absorbing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010786279.6A CN112128301B (en) 2020-08-07 2020-08-07 Hydraulic shock-absorbing structure

Publications (2)

Publication Number Publication Date
CN112128301A true CN112128301A (en) 2020-12-25
CN112128301B CN112128301B (en) 2021-11-30

Family

ID=73850957

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010786279.6A Active CN112128301B (en) 2020-08-07 2020-08-07 Hydraulic shock-absorbing structure

Country Status (1)

Country Link
CN (1) CN112128301B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113055283A (en) * 2021-04-21 2021-06-29 莆田学院 Internet of things gateway device convenient to overhaul and maintain
CN115013474A (en) * 2022-08-08 2022-09-06 常州市中昊轨道交通科技发展有限公司 Long-life buffering and damping piece for motor train unit and machining method thereof
CN118066260A (en) * 2024-04-18 2024-05-24 泰兴市康森爱特传动设备科技有限公司 Planetary gear reducer

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5628703A (en) * 1995-01-20 1997-05-13 Ford Motor Company Flywheel/clutch arrangement for manual-shift synchronized change-speed gearboxes
CN2799298Y (en) * 2004-02-19 2006-07-26 郭川 Pressure-controlled damp changeable shock absorber
CN102913587A (en) * 2012-10-25 2013-02-06 中国民航大学 Magneto-rheological damper
CN106715229A (en) * 2014-09-19 2017-05-24 Kyb株式会社 Railroad vibration control device
CN110017349A (en) * 2019-03-15 2019-07-16 江苏大学 A kind of automobile-used rigidity controllable magnetic rheology damper and rigidity regulate and control method
CN209483850U (en) * 2019-01-08 2019-10-11 金华凯凯壹科技有限公司 A kind of automobile-used damper convenient for adjusting of motor
CN111316387A (en) * 2017-11-17 2020-06-19 Kyb株式会社 Control device and vibration damping device for railway vehicle
CN210942100U (en) * 2019-06-19 2020-07-07 界首市路虎车业有限公司 Novel electric motor car rear wheel shock attenuation device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5628703A (en) * 1995-01-20 1997-05-13 Ford Motor Company Flywheel/clutch arrangement for manual-shift synchronized change-speed gearboxes
CN2799298Y (en) * 2004-02-19 2006-07-26 郭川 Pressure-controlled damp changeable shock absorber
CN102913587A (en) * 2012-10-25 2013-02-06 中国民航大学 Magneto-rheological damper
CN106715229A (en) * 2014-09-19 2017-05-24 Kyb株式会社 Railroad vibration control device
CN111316387A (en) * 2017-11-17 2020-06-19 Kyb株式会社 Control device and vibration damping device for railway vehicle
CN209483850U (en) * 2019-01-08 2019-10-11 金华凯凯壹科技有限公司 A kind of automobile-used damper convenient for adjusting of motor
CN110017349A (en) * 2019-03-15 2019-07-16 江苏大学 A kind of automobile-used rigidity controllable magnetic rheology damper and rigidity regulate and control method
CN210942100U (en) * 2019-06-19 2020-07-07 界首市路虎车业有限公司 Novel electric motor car rear wheel shock attenuation device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113055283A (en) * 2021-04-21 2021-06-29 莆田学院 Internet of things gateway device convenient to overhaul and maintain
CN113055283B (en) * 2021-04-21 2022-06-21 莆田学院 Internet of things gateway device convenient to overhaul and maintain
CN115013474A (en) * 2022-08-08 2022-09-06 常州市中昊轨道交通科技发展有限公司 Long-life buffering and damping piece for motor train unit and machining method thereof
CN115013474B (en) * 2022-08-08 2022-11-04 常州市中昊轨道交通科技发展有限公司 Long-life buffering and damping piece for motor train unit and machining method thereof
CN118066260A (en) * 2024-04-18 2024-05-24 泰兴市康森爱特传动设备科技有限公司 Planetary gear reducer

Also Published As

Publication number Publication date
CN112128301B (en) 2021-11-30

Similar Documents

Publication Publication Date Title
CN112128301B (en) Hydraulic shock-absorbing structure
CN102913585B (en) Hydro-pneumatic spring
CN105508492A (en) Spring and damping inertial container integrated suspension
CN108167157B (en) Vertical air compressor
CN107542829A (en) Shock absorber and there is its vehicle
CN115654242A (en) High leakproofness has quick connect function's metal collapsible tube
CN209743584U (en) Sealing ring of hybrid power isolator
CN209142109U (en) A kind of novel new-energy automobile brake power recovering device
CN2158483Y (en) Elastic shock-proof arrangement for pipeline
CN206409566U (en) A kind of mute shock absorption device
CN203585189U (en) Sealing structure for shock absorber
CN207145509U (en) Shock absorber and there is its vehicle
CN206647691U (en) A kind of shock-absorbing supporting device for air compressor machine
CN218177831U (en) Damping device of air compressor
CN218454928U (en) CDC double-cylinder electromagnetic valve shock absorber
CN218347847U (en) Novel guider
CN215258402U (en) Shock-absorbing automobile engine oil cooling oil return pipe
CN213332179U (en) Stable hydraulic buffer
CN112158042B (en) Multiple buffer for electric automobile
CN220726964U (en) Combined piston special for damping motorcycle
CN114877005B (en) Variable damping device of valve-plate-free piston matched single-layer pipe small-hole damper
CN212318656U (en) New energy automobile damping device
CN212407424U (en) Automobile chassis transmission shaft damper device
CN213419757U (en) Novel iron-based high-strength guider
CN216245794U (en) Baffle plate of double-arch-plate shell-and-tube heat exchanger

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
GR01 Patent grant
GR01 Patent grant