CN113819183A - Adjustable flexible buffering damping device for vehicle - Google Patents
Adjustable flexible buffering damping device for vehicle Download PDFInfo
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- CN113819183A CN113819183A CN202111294748.3A CN202111294748A CN113819183A CN 113819183 A CN113819183 A CN 113819183A CN 202111294748 A CN202111294748 A CN 202111294748A CN 113819183 A CN113819183 A CN 113819183A
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- damping device
- oil pressure
- pipe
- spring
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- 238000013016 damping Methods 0.000 title claims abstract description 86
- 230000003139 buffering effect Effects 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims description 171
- 239000010720 hydraulic oil Substances 0.000 claims description 20
- 230000035939 shock Effects 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 14
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 15
- 230000004044 response Effects 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
- B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
- B60G15/062—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/42—Cooling arrangements
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to an adjustable flexible buffering and damping device for a vehicle, wherein a main oil pipe, a second layer of oil pressure sleeve and a third layer of oil pressure sleeve are sequentially sleeved in an inner cavity of a middle-arranged oil pressure damping device from inside to outside along a central axis, a damping sliding liquid isolating head is slidably mounted in the main oil pipe, the lower end of the damping sliding liquid isolating head is connected with a damping middle-arranged ejector rod, and 2 groups of springs are respectively sleeved on the outer wall of the middle-arranged oil pressure damping device. The two groups of springs with different thicknesses provide better supporting force and bumpy buffer air in the running process of the vehicle, and a better running damping effect can be obtained when the vehicle runs under the heavy load of the vehicle; the tension of the spring can be regulated and controlled through the spring tension adjusting mechanism, so that the buffering capacity of the vehicle under different loading conditions can be adjusted; on the basis, the middle oil pressure damping device is additionally arranged, a plurality of layers of oil cavities and different sectional pressure relief holes are formed in the middle oil pressure damping device, and the middle oil pressure damping device has good flexible buffering performance.
Description
Technical Field
The invention relates to the technical field of vehicle shock absorption and buffering, in particular to a flexible buffering shock absorption damping device capable of adjusting the tension degree and hydraulic strength of a spring for a vehicle.
Background
Damping system is generally all installed to the common vehicle, shock attenuation equipment, like simple spring shock attenuation, the steel sheet shock attenuation, the shock attenuation of macpherson's independent suspension, two ball-and-socket spring shock attenuation etc., it is mostly pure mechanical structure shock attenuation design, like chinese utility model patent "a bumper shock absorber for vehicle", publication number CN214465817U, its the disclosing is traditional spring shock-absorbing structure promptly, including the telescopic link, the top on telescopic link surface and low side difference gim peg have screwed pipe and fixed disk, the surface threaded connection of screwed pipe has spacing dish, the surface of telescopic link is located the cover between fixed disk and the spacing dish and is equipped with damping spring.
Along with the development of electronic science and technology, through electronic control shock absorption, the form of adopting compound nitrogen gas shock absorption and the like also gradually starts to be applied and developed in the technical field of vehicle shock absorption, but the price is too high, the control is excessively depended on a computer chip, and the defects are also existed in the safety and the stability of the vehicle, for example, the Chinese utility model patent 'an adjustable nitrogen gas shock absorber', the publication No. CN202065400U, comprises a cylinder body, two ends of which are sealed and are provided with a hollow pipeline, an air charging slide block is arranged in the hollow pipeline in a sliding way, the air charging slide block divides the hollow pipeline into a hydraulic cavity and a gas cavity, and the gas cavity can be communicated with an external gas source through an end air passage; the piston rod penetrates through the cylinder body and is exposed out of the cylinder body, a flow channel is formed in the piston rod, and the surface of the piston rod is provided with at least two outlets; the piston is fixedly sleeved on the piston rod and positioned in the hydraulic cavity of the cylinder body, the piston divides the hydraulic cavity into a first cavity and a second cavity, and at least two outlets on the piston rod are respectively communicated with the first cavity and the second cavity; the adjusting mechanism is provided with an adjusting seat and an adjusting needle rod connected with the adjusting seat, the adjusting needle rod penetrates through the circulation channel, and a sealing ring is arranged between the adjusting needle rod and the circulation channel. The utility model discloses have the efficiency of buffering effectual and damping adjustable, this structure is current the simple carries out the absorbing through electronic control nitrogen gas promptly, and the price is too high, excessively relies on computer chip control, and there is the defect in vehicle safety and stability.
Disclosure of Invention
The invention provides a shock absorption device which adopts the combination of electronic control and a mechanical structure to obtain a better shock absorption effect and can solve the problems of small bearable weight range, poor road surface adaptability, dry and hard shock absorption, poor change of bearable capacity, poor vehicle riding feeling and the like of the traditional single shock absorption.
The specific technical scheme of the invention is as follows: an adjustable flexible buffering and damping device for a vehicle comprises a middle-arranged oil pressure damping device, wherein the middle-arranged oil pressure damping device comprises a hollow shell, the shell is in a cylindrical tube shape, the upper end and the lower end of the shell are sealed, a main oil pipe, a second layer of oil pressure sleeve and a third layer of oil pressure sleeve are sequentially sleeved in an inner cavity of the shell from inside to outside along a central axis, a damping sliding liquid isolating head is arranged in the main oil pipe in a sliding mode, the lower end of the damping sliding liquid isolating head is connected with a damping middle-arranged ejector rod, the damping middle-arranged ejector rod extends downwards out of the shell, the same damping middle-arranged ejector rod can slide up and down, the lower end of the damping middle-arranged ejector rod is connected with a metal tray, a damping spring capable of downwards jacking the damping sliding liquid isolating head is arranged in the main oil pipe, namely the damping spring is positioned on the upper side of the damping sliding liquid isolating head, the upper end of the inner side of the top of the shell is jacked at the lower end of the damping sliding liquid isolating head, the main oil pipe is communicated with the second layer of oil pressure sleeve through a pressure relief hole in the outer wall, and the second layer of oil pressure sleeve also passes through the pressure relief hole in the outer wall and the third layer of oil pressure sleeve.
The casing is equipped with A spring assembly and B spring assembly respectively on the outer wall of the body, A spring assembly is located B spring assembly upside, A spring assembly and B spring assembly roof pressure each other, B spring assembly lower extreme roof pressure metal tray, A spring assembly upper end then is provided with the spacing adjustable ring of spring that can reciprocate the adjusting spring rate of tension.
Further, preferably, a spring space ring is further arranged between the spring group A and the spring group B.
Further, preferably, the spring positioning and adjusting device further comprises a top cover, the top cover is sleeved on the outer side of the top of the shell, a motor is installed in the top cover and can drive the positioning and driving screw to rotate, the positioning and driving screw is parallel to the shell, and the spring positioning and adjusting ring is in threaded connection with the positioning and driving screw through a threaded hole.
Further, it is preferred that the pressure relief hole on the outer wall of the main oil pipe is communicated with the second layer of oil pressure casing pipe through a communicating pipe, the pressure relief hole on the outer wall of the second layer of oil pressure casing pipe is also communicated with the third layer of oil pressure casing pipe through a communicating pipe, the main oil pipe and the second layer of oil pressure casing pipe can share one oil pipe wall in implementation, the second layer of oil pressure casing pipe and the third layer of oil pressure casing pipe share one oil pipe wall, at the moment, the pressure relief hole is directly opened on the shared wall to complete the communication of adjacent oil pipes, the form of sharing one oil pipe wall can also be omitted, namely, the second layer of oil pressure casing pipe independently sets the inner pipe wall, the third layer of oil pressure casing pipe independently sets the inner pipe wall, and the communicating pipe is needed to be communicated between the pressure relief holes at the moment.
Further, preferably, the oil-well pump further comprises an oil inlet pipe communicated with the main oil pipe and an oil outlet pipe communicated with the third layer of oil pressure sleeve.
Further, it is preferable that the pressure relief hole is provided with a plurality of, the pressure relief hole sets up in body upper portion or middle part to upper portion region, and from the bottom up aperture grow gradually.
Further, it is preferable that a dustproof rubber sleeve is arranged between the lower end of the shell and the metal tray.
Further, preferably, the metal tray end face and the top end face of the top cover are symmetrically provided with ball heads.
Further, preferably, the outer surface of the shell is provided with a plurality of guide grooves along the axial direction, and the inner ring of the spring limit adjusting ring is correspondingly provided with a plurality of guide teeth.
Further, it is preferable that the hydraulic control system further comprises a solenoid valve which is communicated with the oil inlet pipe and the oil outlet pipe through a pipeline and controls hydraulic pressure to enter and exit.
Further, it is preferred, still include through the pipeline with advance the oil pipe and go out the hydraulic oil temperature oil pressure response modulator of the control oil pressure of oil pipe intercommunication and oil temperature, hydraulic oil temperature oil pressure response modulator includes the hydraulic oil circulating pump with hydraulic oil temperature oil pressure response modulator intercommunication, the hydraulic oil circulating pump is installed on the storehouse that adjusts the temperature, be provided with cooling tube and/or heating pipe in the storehouse that adjusts the temperature respectively, still install oil temperature controller on the storehouse that adjusts the temperature.
The invention has the beneficial effects that: the two groups of springs with different thicknesses provide better supporting force and bumpy buffer air in the running process of the vehicle, and a better running damping effect can be obtained when the vehicle runs under the heavy load of the vehicle; the tension of the spring can be regulated and controlled through the spring tension adjusting mechanism, so that the buffering capacity of the vehicle under different loading conditions can be adjusted; on the basis, by adding the middle-mounted oil pressure damping device, a plurality of layers of oil cavities and sectional different pressure relief holes are arranged in the middle-mounted oil pressure damping device, so that the damping has better flexible buffering performance under different impacts and loads.
Thereby realize complementary automatically controlled regulation oil pressure and oil temperature through on-vehicle computer control spring tensioning adjustment mechanism, hydraulic pressure oil temperature oil pressure response modulator, solenoid valve, the vehicle safety and stable better single form.
Drawings
FIG. 1 is a first front view of the adjustable flexible damping device for vehicle of the present invention, and shows a schematic view of the internal structure of the top cover with a positioning driving screw, a motor and a transmission gear train;
FIG. 2 is a second front view of the vehicular adjustable flexible buffer damping device of the present invention, in which the spring group A, the spring group B and the spring spacer are removed, and the spring limit adjusting ring is half-sectioned;
FIG. 3 is a first half sectional view of a mid-set oil pressure damping device of the adjustable flexible buffering shock absorption damping device for the vehicle according to the present invention;
FIG. 4 is a second half sectional view of the mid-mounted oil pressure damping device of the adjustable flexible buffering and damping device for vehicle according to the present invention, wherein the pressure relief hole is partially enlarged;
FIG. 5 is a sectional view taken along line C-C of FIG. 3;
FIG. 6 is a top view of a spring spacer;
FIG. 7 is a partial half sectional view of an oil pressure damping device in another embodiment of the adjustable flexible buffering shock absorption damping device for vehicle according to the present invention;
FIG. 8 is a schematic view of the connection relationship between the adjustable flexible buffering damping device for vehicle of the present invention and the hydraulic oil temperature control device;
FIG. 9 is a schematic view of the connection relationship between the adjustable flexible damping device and the secondary oil pressure buffer bottle, wherein the internal structure of the secondary oil pressure buffer bottle is shown, and the primary oil sump is further half-sectioned to show the internal structure.
In the upper diagram: 1-middle-placed oil pressure damping device, 101-shell, 102-silica gel oil seal, 103-top cover, 104-bulb, 105-guide groove, 201-main oil pipe, 202-second layer oil pressure sleeve, 203-third layer oil pressure sleeve, 204-pressure relief hole, 205-communicating pipe, 206-oil inlet pipe, 207-oil outlet pipe, 208-second-stage pressure relief connecting pipe, 2001-main oil chamber, 2002-second oil chamber, 2003-third oil chamber, 3-spring tension adjusting mechanism, 301-spring limit adjusting ring, 302-positioning driving screw, 303-motor, 304-transmission gear train, 305-spring spacer ring, 401-damping middle-placed mandril, 402-damping sliding liquid isolating head, 403-damping spring, 404-metal tray, 405-rubber buffer ring, 5-dustproof rubber sleeve, 6-hydraulic oil temperature and oil pressure induction regulator, 7-electromagnetic valve, 8-secondary oil pressure buffer bottle, 801-high pressure oil pipe, 802-primary oil bin, 803-secondary oil bin, 804-pressure relief valve, 805-pressurizing spring, 806-buffer oil hole, 807-radiating fin, 901-hydraulic oil circulating pump, 902-temperature regulating bin, 903-cooling pipe, 904-heating pipe, 905-liquid nitrogen storage bottle, 906-liquid nitrogen primary pump, 907-gasification cooling circulating pump, 908-oil temperature controller, 10-A spring group and 20-B spring group.
Detailed Description
In order to make the technical problems and technical solutions solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example 1:
as shown in fig. 1 and 2, the adjustable flexible buffering and damping device for the vehicle comprises a middle-mounted oil pressure damping device 1, wherein the middle-mounted oil pressure damping device 1 comprises a hollow shell 101, and the shell 101 is in a cylindrical tube shape and is sealed at the upper end and the lower end.
The outer wall of the shell 101 is sleeved with an A spring group 10 and a B spring group 20 respectively, the A spring group 10 is located on the upper side of the B spring group 20, the A spring group 10 and the B spring group 20 can be mutually jacked, a spring space ring 305 is further arranged between the A spring group 10 and the B spring group 20, the spring space ring 305 adopts a rubber space ring, the spring space ring 305 is sleeved outside the shell 101, further, the A spring group 10 is a thick spring, the B spring group 20 is a thin spring, the lower end of the B spring group 20 is jacked against a metal tray 404, and the metal tray 404 at the lower end is guaranteed to have better impact reaction by arranging the springs with different thicknesses.
The spring tensioning adjusting mechanism 3 is arranged outside the shell 101, the spring tensioning adjusting mechanism 3 comprises a spring group A10, the upper end of the spring group A is provided with a spring limiting adjusting ring 301 which can move up and down to adjust the tension degree of the spring, the top cover 103 is sleeved outside the top of the shell 101, a motor 303 is installed in the top cover 103, the motor 303 can drive the positioning driving screw 302 to rotate, in the embodiment, power transmission is realized through a plurality of gears of a transmission gear train 304 and bearings, namely, the gears are installed on a rotating shaft head of the motor 303, the gears are also fixedly installed at the upper end of the positioning driving screw 302, power source transmission is realized through the gears, the same power transmission can be realized by adopting structures such as a chain wheel, a chain or a belt wheel, and the like, and the spring tensioning adjusting mechanism is replaced by the same technology in the field.
The positioning driving screw 302 is arranged in parallel with the shell 101, threads are arranged on the outer surface of the positioning driving screw 302, the spring limit adjusting ring 301 is in threaded connection with the positioning driving screw 302 through threaded holes, the positioning driving screw 302 rotates to drive the spring limit adjusting ring 301 to move up and down, and a limit block or a limit stopper can be arranged at the lower end of the positioning driving screw 302, which is a common technical means in the field.
As shown in fig. 5 and 6, the outer surface of the casing 101 is axially provided with a plurality of guide grooves 105, the inner ring of the spring spacing adjusting ring 301 is correspondingly provided with a plurality of guide teeth, and the inner ring of the same spring spacing ring 305 can also be correspondingly provided with guide teeth, so as to ensure the stability of the spring spacing adjusting ring 301 and the spring spacing ring 305 in the up-and-down movement process.
As shown in fig. 3 and 4, a main oil pipe 201, a second layer oil pressure sleeve 202 and a third layer oil pressure sleeve 203 are sequentially sleeved in the inner cavity of the casing 101 from inside to outside along the central axis, in this embodiment, the main oil pipe 201 and the second layer oil pressure sleeve 202 share one oil pipe wall, the second layer oil pressure sleeve 202 and the third layer oil pressure sleeve 203 share one oil pipe wall, three annular layered oil chambers with an oil storage function are sequentially formed from inside to outside, the main oil chamber 2001, the second oil chamber 2002 and the third oil chamber 2003 are sequentially formed from inside to outside, the main oil pipe 201 is communicated with the second layer oil pressure sleeve 202 through a pressure relief hole 204 on the outer wall, the second layer oil pressure sleeve 202 is also communicated with the third layer oil pressure sleeve 203 through a pressure relief hole 204 on the outer wall, and no interval exists because the pipe wall is shared, the communication between adjacent oil pipes can be completed by directly opening the pressure relief hole on the shared wall, so that the main oil chamber 2001, the oil chamber 203 can be realized, The second oil chamber 2002 and the third oil chamber 2003 communicate.
A damping sliding liquid-separating head 402 is slidably mounted in the main oil pipe 201, the lower end of the damping sliding liquid-separating head 402 is connected with a damping middle ejector rod 401, the damping middle ejector rod 401 extends downwards to penetrate out of the shell 101, and a silica gel oil seal 102 and an oil seal bearing are arranged at the position, where the damping middle ejector rod 401 penetrates through a through hole.
The lower end of the damping center ejector rod 401 is connected with a metal tray 404, a damping spring 403 capable of downwards jacking the damping sliding liquid separation head 402 is arranged in the main oil pipe 201, and the upper end surface of the metal tray 404 is further provided with a protective and buffering rubber buffer ring 405.
The multilayer oil cavity and the sectional type are different pressure relief holes 204, so that the damping has better flexible buffering performance under different impacts and loads, namely when the ejector rod 401 slides up and down in the damping middle-arranged device, oil pressure can be sequentially distributed and relieved to the second oil cavity 2002 and the third oil cavity 2003 from the main oil cavity 2001 in a pressure relief hole mode, a better buffering effect is achieved, vibration of a vehicle is effectively reduced, and rebound impact force is relieved.
A dustproof rubber sleeve 5 is arranged between the lower end of the shell 101 and the metal tray 404, and fisheye balls 104 connected with the frame and the hub frame are symmetrically arranged on the lower end face of the metal tray 404 and the upper end face of the top cover 103.
An oil inlet pipe 206 communicating with the main oil pipe 201, and an oil outlet pipe 207 communicating with the third-layer oil pressure sleeve 203.
Example 2:
as shown in fig. 7, the difference between the present embodiment and embodiment 1 is that the main oil pipe 201, the second layer of hydraulic bushings 202, and the third layer of hydraulic bushings 203 do not share one oil pipe wall, that is, the second layer of hydraulic bushings 202 are independently provided with an inner pipe wall, the third layer of hydraulic bushings 203 are independently provided with an inner pipe wall, and at this time, the pressure relief holes need to be communicated with each other by the communication pipe 205.
Example 3:
as shown in fig. 8, the adjustable flexible buffering damping device for vehicle in this embodiment is added with an electronically controlled peripheral device, which includes a solenoid valve 7 communicating with an oil inlet pipe 206 and an oil outlet pipe 207 through a pipeline and controlling hydraulic pressure to enter and exit.
Still include through the pipeline with advance oil pipe 206 and go out the hydraulic oil temperature oil pressure response modulator 6 of the control oil pressure of oil pipe 207 intercommunication and oil temperature, hydraulic oil temperature oil pressure response modulator 6 includes the hydraulic oil circulating pump 901 with the communication of hydraulic oil temperature oil pressure response modulator 6, and hydraulic oil circulating pump 901 is installed on the storehouse 902 that adjusts the temperature, is provided with cooling tube 903 and heating pipe 904 in the storehouse 902 that adjusts the temperature respectively, still installs oil temperature controller 908 on the storehouse 902 that adjusts the temperature.
The cooling pipe 903 is cooled by liquid nitrogen circulation, namely liquid nitrogen is circularly supplied to the cooling pipe 903 by a liquid nitrogen storage bottle 905, a liquid nitrogen primary pump 906 and a gasification cooling circulating pump 907, which is the prior art.
Under the condition that the hydraulic oil temperature and oil pressure induction regulator 6 is started, the oil temperature and the oil pressure in the built-in oil pressure damping device 1 are monitored, when the oil temperature is too high or too low, a hydraulic oil circulating pump 901 is started, pressure reducing oil in the built-in oil pressure damping device 1 is replaced in a circulating mode, the pressure reducing oil heated or cooled to a proper temperature in the temperature regulating bin 902 is replaced into the built-in oil pressure damping device 1, and therefore a good damping effect of a vehicle in a cold area or a high-temperature area can be obtained.
Example 4:
as shown in fig. 9, a secondary oil pressure buffer bottle 8 can be additionally hung, the secondary oil pressure buffer bottle 8 is communicated with a third oil cavity 2003 through a high-pressure oil pipe 801, and mainly functions to provide additional oil pressure buffering for the vehicle, and the hydraulic buffer bottle comprises a primary oil bin 802 and a secondary oil bin 803, wherein the primary oil bin 802 and the secondary oil bin 803 are also communicated through a buffer oil hole 806, a cooling fin 807 is arranged outside the wall of the bottle, a pressure-relieving valve 804 is arranged at a section where the high-pressure oil pipe 801 extends into the primary oil bin 802, and a pressurizing spring 805 and a sliding block are also arranged in the primary oil bin 802, and the hydraulic buffer bottle mainly plays a role in that the vehicle receives the blasting pressure and performs pressure dividing and pressure relieving with the centrally-installed oil pressure damping device 1.
The present invention has been described in detail with reference to the specific and preferred embodiments, but it should be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and any modifications, equivalents and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (10)
1. The adjustable flexible buffering shock absorption damping device for the vehicle is characterized by comprising a middle-arranged oil pressure damping device (1), wherein the middle-arranged oil pressure damping device (1) comprises a hollow shell (101), a main oil pipe (201), a second layer of oil pressure sleeve (202) and a third layer of oil pressure sleeve (203) are sequentially sleeved in an inner cavity of the shell (101) from inside to outside along a central axis, a damping sliding liquid isolating head (402) is arranged in the main oil pipe (201) in a sliding mode, a damping middle-arranged ejector rod (401) is connected to the lower end of the damping sliding liquid isolating head (402), the damping middle-arranged ejector rod (401) extends downwards to penetrate out of the shell (101), a metal tray (404) is connected to the lower end of the damping ejector rod (401), a damping spring (403) capable of downwards jacking the damping sliding liquid isolating head (402) is arranged in the main oil pipe (201), and the main oil pipe (201) is communicated with the second layer of oil pressure sleeve (202) through a pressure relief hole (204) in the outer wall, the second layer of oil pressure sleeve (202) also passes through a pressure relief hole (204) on the outer wall and a third layer of oil pressure sleeve (203);
the utility model discloses a spring assembly, including casing (101), spring assembly (10) and B spring assembly (20), the cover is equipped with A spring assembly (10) and B spring assembly (20) respectively on the outer wall, A spring assembly (10) are located B spring assembly (20) upside, A spring assembly (10) and B spring assembly (20) can roof pressure each other, B spring assembly (20) lower extreme roof pressure metal tray (404), A spring assembly (10) upper end then is provided with the spacing adjustable ring of spring (301) that can reciprocate the adjusting spring rate of tension.
2. The adjustable flexible buffer damping device for vehicle according to claim 1, wherein: and a spring space ring (305) is also arranged between the spring group A (10) and the spring group B (20).
3. The adjustable flexible buffer damping device for vehicle according to claim 1 or 2, wherein: the spring limiting adjusting device is characterized by further comprising a top cover (103), the top cover (103) is sleeved on the outer side of the top of the shell (101), a motor (303) is installed in the top cover (103), the motor (303) can drive the positioning driving screw (302) to rotate, the positioning driving screw (302) is parallel to the shell (101), and the spring limiting adjusting ring (301) is in threaded connection with the positioning driving screw (302) through a threaded hole.
4. The adjustable flexible buffer damping device for vehicle according to claim 1, wherein: pressure relief hole (204) on the main oil pipe (201) outer wall and second floor oil pressure sleeve pipe (202) are through communicating pipe (205) intercommunication, pressure relief hole (204) on second floor oil pressure sleeve pipe (202) outer wall and third layer oil pressure sleeve pipe (203) are through communicating pipe (205) intercommunication.
5. The adjustable flexible buffer damping device for vehicle according to claim 1, wherein: the oil-gas separator further comprises an oil inlet pipe (206) communicated with the main oil pipe (201) and an oil outlet pipe (207) communicated with the third-layer oil pressure sleeve (203).
6. The adjustable flexible buffer damping device for vehicle according to claim 1 or 4, wherein: pressure release hole (204) are provided with a plurality ofly, pressure release hole (204) set up in body upper portion or middle part to upper portion region, from the bottom up aperture grow gradually.
7. The adjustable flexible buffer damping device for vehicle of claim 3, wherein: the lower end face of the metal tray (404) and the upper end face of the top cover (103) are symmetrically provided with ball heads (104).
8. The adjustable flexible buffer damping device for vehicle according to claim 1, wherein: a plurality of guide grooves (105) are axially formed in the outer surface of the shell (101), and a plurality of guide teeth are correspondingly formed in the inner ring of the spring limiting adjusting ring (301).
9. The adjustable flexible buffer damping device for vehicle of claim 5, wherein: the hydraulic control system also comprises an electromagnetic valve (7) which is communicated with the oil inlet pipe (206) and the oil outlet pipe (207) through pipelines and controls hydraulic pressure to enter and exit.
10. An adjustable flexible buffer damping device for vehicle according to claim 5 or 9, wherein: still include through pipeline and advance oil pipe (206) and go out the hydraulic oil temperature oil pressure induction modulator (6) of the control oil pressure of oil pipe (207) intercommunication and oil temperature, hydraulic oil temperature oil pressure induction modulator (6) include with hydraulic oil temperature oil pressure induction modulator (6) intercommunication hydraulic oil circulating pump (901), hydraulic oil circulating pump (901) are installed on the storehouse (902) that adjusts the temperature, be provided with cooling tube (903) and/or heating pipe (904) in the storehouse (902) that adjusts the temperature respectively, still install oil temperature controller (908) on the storehouse (902) that adjusts the temperature.
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| CN202111294748.3A CN113819183A (en) | 2021-11-03 | 2021-11-03 | Adjustable flexible buffering damping device for vehicle |
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| CN202111294748.3A CN113819183A (en) | 2021-11-03 | 2021-11-03 | Adjustable flexible buffering damping device for vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115978129A (en) * | 2023-02-20 | 2023-04-18 | 比博斯特(江苏)汽车科技有限公司 | Vehicle shock absorber with adjustable damping |
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