CN114704588B - Parallel damping branch damping vibration attenuation device - Google Patents
Parallel damping branch damping vibration attenuation device Download PDFInfo
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- CN114704588B CN114704588B CN202210094094.8A CN202210094094A CN114704588B CN 114704588 B CN114704588 B CN 114704588B CN 202210094094 A CN202210094094 A CN 202210094094A CN 114704588 B CN114704588 B CN 114704588B
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- integrated seat
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- 238000013016 damping Methods 0.000 title claims abstract description 269
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 107
- 239000006096 absorbing agent Substances 0.000 claims description 27
- 239000010720 hydraulic oil Substances 0.000 claims description 22
- 230000035939 shock Effects 0.000 description 22
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, 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
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices 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
- F16F9/18—Devices 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
- F16F9/185—Bitubular units
- F16F9/187—Bitubular units with uni-directional flow of damping fluid through the valves
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression 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
- F16F15/023—Suppression 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
- F16F15/027—Suppression 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 comprising control arrangements
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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
- F16F9/10—Springs, 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
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices 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
- F16F9/18—Devices 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
- F16F9/185—Bitubular units
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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
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
- F16F9/325—Constructional features of cylinders for attachment of valve units
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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
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
- F16F9/3257—Constructional features of cylinders in twin-tube type devices
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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
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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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
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
-
- 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
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
- F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
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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
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
- F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
- F16F9/464—Control of valve bias or pre-stress, e.g. electromagnetically
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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
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
- F16F9/3242—Constructional features of cylinders of cylinder ends, e.g. caps
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention belongs to a damping vibration damper, in particular to a parallel damping branch damping vibration damper, which comprises a vibration damper, an integrated seat, a pipeline formed by an integrated seat structure, a damping part in the integrated seat and an oil tank formed by the vibration damper, a mounting sleeve and the integrated seat, wherein the damping part comprises two or more parallel damping branches, an electromagnetic valve and a throttle valve are sequentially arranged in the damping branches, the electromagnetic valve comprises a switchable conducting position and a blocking position, the vibration damper comprises a cylinder body, a piston which is arranged in the cylinder body in a sliding manner and a piston rod which is connected with the piston, and the vibration damper, the damping part and the oil tank form a circulation through the pipeline.
Description
Technical Field
The invention belongs to damping vibration attenuation devices, and particularly relates to a parallel damping branch damping vibration attenuation device.
Background
With the rapid development of transportation of mobile equipment vehicles, including cars for road unguided transportation and vehicles for guided transportation systems (motor train units containing rails, subways, light rails, trams, magnetically levitated vehicles, rubber-tyred vehicles, etc. and guided rubber-tyred vehicles without rails), the proportion of fixed marshalling transportation and overline transportation of mobile equipment vehicles is increasing. At present, a damping parameter of a cylindrical hydraulic shock absorber (or hydraulic shock absorber device) which is generally connected with an elastic element in parallel is set when the mobile equipment vehicle leaves a factory, and due to structural limitation, the damping parameter can only be set or limited to one damping parameter, and the damping parameter can not be changed or can not be changed rapidly in the operation process of the mobile equipment vehicle to adapt to different operation scene requirements, or the hydraulic shock absorber with different damping parameters can be replaced to adapt to different operation requirements, so that the transportation efficiency is reduced and the operation cost is increased.
The automobiles run on different grades of roads, or the vehicles guided to the transportation system run on different grades of roads, the hydraulic shock absorbers on the same position of the same vehicle may need different damping parameters to achieve optimization of comfort indexes and safety indexes; the mobile equipment fixes a marshalling vehicle group, vehicles at different positions in the marshalling are on the same grade line, hydraulic shock absorbers at the same position may need different damping parameters, or hydraulic shock absorbers at the same position of the same vehicle may need different damping parameters when the marshalling vehicles travel back and forth on the same line without turning around, so as to achieve the optimization of comfort indexes and safety indexes of all vehicles in the marshalling, and no damping device for rapidly switching different damping parameters in different road conditions is well solved at present.
Disclosure of Invention
The invention aims to provide a parallel damping branch damping vibration attenuation device capable of rapidly switching different damping parameters.
The hydraulic oil hydraulic damper comprises a damper, an integrated seat, a pipeline formed by the integrated seat structure, a damping part in the integrated seat and an oil tank formed by the damper, a mounting sleeve and the integrated seat, wherein the damping part comprises two or more damping branches connected in parallel, an electromagnetic valve and a throttle valve are sequentially arranged in the damping branches, the electromagnetic valve comprises a switchable conducting position and a blocking position, the throttle valve comprises a one-way valve six and a throttle orifice, one end of the damping branch close to the electromagnetic valve is connected to form the head end of the damping part, the other end of the damping branch is connected to form the tail end of the damping part, the damper comprises a cylinder body, a piston arranged in the cylinder body in a sliding manner and a piston rod connected with the piston, the damper, the damping part and the oil tank form circulation through the pipeline, and when the piston moves upwards or downwards, hydraulic oil enters the damping part through the pipeline and flows through one or more damping branches, and different damping combinations are formed by selecting the hydraulic oil to flow through the damping branch or the damping branches.
Furthermore, the piston divides the cylinder body into an upper oil cavity and a lower oil cavity, when the working cavity is the lower oil cavity, the piston further comprises a first pipeline connecting the lower oil cavity and the head end of the damping component, a second pipeline connecting the tail end of the damping component and the oil tank, a third pipeline connecting the oil tank and the head end of the damping component, a fourth pipeline connecting the tail end of the damping component and the lower oil cavity, and a fifth pipeline connecting the upper oil cavity and the oil tank, wherein valves are arranged on the first pipeline, the second pipeline, the third pipeline and the fourth pipeline.
Still further, the valve includes the check valve one that sets up on first towards damping part head end circulation, and the check valve two that sets up on second towards the oil tank circulation, the check valve three that sets up on third towards damping part head end circulation, the check valve four that sets up on fourth towards lower oil pocket circulation.
Further, the first pipeline and the third pipeline mutually meet, and the second pipeline and the fourth pipeline mutually meet.
Still further, the piston divide into oil pocket and lower oil pocket on with the cylinder body, when the working chamber is the oil pocket, damping part head end intercommunication oil pocket, damping part tail end intercommunication oil tank still includes the pipeline six of connecting lower oil pocket and oil tank, be provided with the valve on the pipeline six, be provided with the check valve seven that circulate from lower oil pocket to upper oil pocket on the piston, the fluid volume that the lower oil pocket flowed into the oil pocket is greater than the volume that the oil pocket increases under the same stroke of piston.
Further, the valve is a check valve five for enabling the oil tank to flow to the lower oil cavity.
Further, the pipeline and the damping component are distributed on the integrated seat.
Further, the shock absorber is fixedly arranged at one end of the integrated seat.
Furthermore, the outside of the shock absorber is also provided with a mounting sleeve, and the mounting sleeve, the cylinder body and the integrated seat form an oil tank.
The invention has the beneficial effects that a plurality of damping branches are arranged, one damping branch or a plurality of damping branches can be selected to be conducted according to the requirement in the application, so that the aim of selectively and variably damping the shock absorber is fulfilled, wherein the damping value of each damping branch can be the same or different, and the range value of the selectively and variably damping can be further expanded on the premise that the number of the damping branches is constant when the damping values are different, the selectable range is improved, the purpose of optimizing the comfort index and the safety index of the vehicle can be achieved quickly and effectively by means of the fact that the vehicles of the mobile equipment are on different grades of lines or the vehicles of different positions in the fixed marshalling vehicle group of the mobile equipment are on the same line or different lines. And the pipeline and a plurality of damping branches are integrated in the integrated seat in parallel, so that the structural characteristics are greatly utilized, the whole damping structure is directly formed, the cost is reduced, the compactness of the device is greatly improved, and the integrated damping device is convenient to install and has application prospect. The size of the throttle hole in the throttle valve can be self-regulated according to the pressure of hydraulic oil flowing through the throttle valve and the reset spring in the throttle valve, so that the damping force can be controlled to be smoother, and the impact of the damping force can be reduced. Drawings
FIG. 1 is a simplified schematic diagram of a first embodiment of the present invention;
FIG. 2 is a flow chart of hydraulic oil when the piston moves downward in the first embodiment of the present invention;
FIG. 3 is a flow chart of hydraulic oil when the piston moves upward in the first embodiment of the invention;
FIG. 4 is a front cross-sectional view of a first embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 4;
FIG. 8 is a cross-sectional view taken along G-G in FIG. 4;
FIG. 9 is a simplified schematic diagram of a second embodiment of the invention;
FIG. 10 is a flow chart of hydraulic oil when the piston moves downward in the second embodiment of the present invention;
FIG. 11 is a flow chart of hydraulic oil when the piston moves upward in the second embodiment of the present invention;
FIG. 12 is a front cross-sectional view of a second embodiment of the present invention;
FIG. 13 is a cross-sectional view taken along line A-A of FIG. 12;
FIG. 14 is a cross-sectional view taken along line B-B of FIG. 12;
FIG. 15 is a cross-sectional view taken along line C-C of FIG. 12;
fig. 16 is a sectional view taken along the direction D-D in fig. 12.
In the figures, 1-mounting a sleeve; 2-a damping member; 3-a damping branch; 4-an electromagnetic valve; 401-on bit; 402-cut-off bit; 5-a damper; 501-a cylinder; 502-a piston; 503-a piston rod; 504-upper oil chamber; 505-lower oil chamber; 506-one-way valve seven; 6-an oil tank; 7-first pipeline; 8-a second pipeline; 9-a third pipeline; 10-a pipeline IV; 11-pipeline five; 12-one-way valve I; 13-a second check valve; 14-a one-way valve III; 15-a one-way valve IV; 16-a pipeline six; 17-a one-way valve five; 18-an integrated seat; 19-a throttle valve; 1901-check valve six; 1902-orifice; 20-a base; 21-upper seat.
Detailed Description
Example 1
As shown in fig. 1-8, the hydraulic damper comprises a damper 5, an integrated seat 18, a pipeline formed by the structure of the integrated seat 18 and a damping part 2 in the integrated seat 18, and an oil tank 6 formed by the damper 5, a mounting sleeve 1 and the integrated seat 18, wherein the damping part 2 comprises two or more damping branches 3 connected in parallel, an electromagnetic valve 4 and a throttle valve 19 are sequentially arranged in the damping branches 3, the electromagnetic valve 4 comprises a switchable conducting position 401 and a blocking position 402, the throttle valve 19 comprises a one-way valve sixth 1901 and an orifice 1902, one throttle valve 19 comprises the one-way valve sixth 1901 and the orifice 1902, the smooth damping force function of the damping branches 3 can be ensured, the normal operation of the damping branches 3 can be ensured, one end of the damping branches 3 close to the electromagnetic valve 4 is connected to the head end of the damping part 2, the other end of the damping part 2 is connected to the tail end of the damping part 2, the damper 5 comprises a cylinder 501, a piston 502 arranged in a sliding way and a piston rod 503 connected with the piston 502 in the cylinder 501, the damping part 5, the damping part and the oil tank 6 form a circulation through the pipeline, or hydraulic oil can flow upwards through the piston 502 and enter one or more damping branches 3 in turn through the damping part 2 or multiple damping parts.
According to the invention, the damping branches 3 are arranged, in the operation, one damping branch 3 or a plurality of damping branches 3 can be selected to be conducted according to the requirement, so that the purpose of selectively changing damping of the shock absorber 5 is achieved, wherein the damping value of each damping branch 3 can be the same or different, when the damping values are different, the range value of the selectively changing damping can be further expanded on the premise that the number of the damping branches 3 is constant, the selectable range is improved, the purpose of optimizing the comfort index and the safety index of the vehicle can be achieved quickly and effectively by selecting the optimal hydraulic shock absorber damping parameters in a limited manner on different grades of lines of mobile equipment vehicles or on the same line or different lines of vehicles at different positions in a fixed marshalling vehicle group of the mobile equipment is achieved. And the pipeline and the damping branches 3 are integrated in the integrated seat 18 in parallel, so that the structural characteristics of the damping branches are greatly utilized, the whole damping structure is directly formed, the cost is reduced, the compactness of the device is greatly improved, and the damping branch is convenient to install after integration, so that the damping branch has an application prospect.
The piston 502 divides the cylinder 501 into an upper oil cavity 504 and a lower oil cavity 505, when the working cavity is the lower oil cavity 505, the working cavity further comprises a first pipeline 7 for connecting the lower oil cavity 505 with the head end of the damping component 2, a second pipeline 8 for connecting the tail end of the damping component 2 with the oil tank 6, a third pipeline 9 for connecting the oil tank 6 with the head end of the damping component 2, a fourth pipeline 10 for connecting the tail end of the damping component 2 with the lower oil cavity 505, a fifth pipeline 11 for connecting the upper oil cavity 504 with the oil tank 6, and valves are arranged on the first pipeline 7, the second pipeline 8, the third pipeline 9 and the fourth pipeline 10. In this embodiment, the lower oil chamber 505 and the oil tank 6 are connected by four pipes so as to form an oil circuit.
The valve can be an electromagnetic valve, and is controlled through a control system when needed, the valve is preferably a one-way valve, specifically, the valve comprises a one-way valve I12 which is arranged on a pipeline I7 and flows towards the head end of a damping component 2, a one-way valve II 13 which is arranged on a pipeline II 8 and flows towards an oil tank 6, a one-way valve III 14 which is arranged on a pipeline III 9 and flows towards the head end of the damping component 2, and a one-way valve IV 15 which is arranged on a pipeline IV 10 and flows towards a lower oil cavity 505.
The first pipeline 7 and the third pipeline 9 are mutually converged, and the second pipeline 8 and the fourth pipeline 10 are mutually converged, so that the structure of the integrated seat 18 is simplified.
The above arrangement of the present invention ensures that when the working chamber is the lower oil chamber 505 and hydraulic oil is circulated in both directions in the lower oil chamber 505, the hydraulic oil passes through the damping member 2 in one direction and a smooth damping force is ensured after passing through the throttle valve 19 in the damping branch 3.
As shown in fig. 2, when the piston 502 moves downward, hydraulic oil in the lower oil chamber 505 flows into the head end of the damping part 2 through the first pipeline 7 and the first check valve 12, optionally passes through one or more damping branches 3 according to requirements, finally flows into the oil tank 6 from the tail end of the damping part 2, the second pipeline 8 and the second check valve 13, and simultaneously the upper oil chamber 504 absorbs oil from the oil tank 6 through the fifth pipeline 11; as shown in fig. 3, when the piston 502 moves upward, hydraulic oil in the oil tank 6 flows into the head end of the damping member 2 through the third pipeline 9 and the check valve 14, optionally passes through one or more damping branches 3 as required, and finally flows into the lower oil chamber 505 from the tail end of the damping member 2, the fourth pipeline 10 and the fourth check valve 15, and meanwhile, hydraulic oil in the upper oil chamber 504 is discharged to the oil tank 6 through the fifth pipeline 11.
The pipeline and the damping component 2 are distributed on the integrated seat 18, the shock absorber 5 is fixedly arranged at one end of the integrated seat 18, the space of the integrated seat 18 is reasonably utilized, the compact structure of the integrated seat 18 is ensured, and the layout is reasonable.
The outside of the shock absorber 5 is also provided with a mounting sleeve 1, the cylinder 501 and the integrated seat 18 form an oil tank 6, and the shock absorber further comprises an upper seat 21, wherein the upper seat 21 seals the mounting sleeve 1 and is in sliding sealing fit with the piston rod 503.
Example two
The first difference between the present embodiment and the embodiment is that the working chamber of the present embodiment is an upper oil chamber, specifically:
as shown in fig. 9-16, the piston 502 divides the cylinder 501 into an upper oil cavity 504 and a lower oil cavity 505, when the working cavity is the upper oil cavity 504, the head end of the damping component 2 is communicated with the upper oil cavity 504, the tail end of the damping component 2 is communicated with the oil tank 6, the piston also comprises a sixth pipeline 16 for connecting the lower oil cavity 505 and the oil tank 6, a valve is arranged on the sixth pipeline 16, a one-way valve seven 506 for flowing from the lower oil cavity 505 to the upper oil cavity 504 is arranged on the piston 502, and the volume of oil flowing from the lower oil cavity 505 to the upper oil cavity is larger than the volume increased by the upper oil cavity 504 under the same stroke of the piston 502.
The valve is a check valve five 17 which is communicated from the oil tank 6 to the lower oil cavity 505.
The above arrangement of the present invention ensures that when the working chamber is the upper oil chamber 504 and hydraulic oil is circulated in one direction in the upper oil chamber 504, the hydraulic oil passes through the damping member 2 in one direction and a smooth damping force is ensured after passing through the throttle valve 19 in the damping branch 3.
As shown in fig. 10, when the piston 502 moves upward, hydraulic oil in the upper oil chamber 504 passes through the head end of the damping part 2, and optionally passes through one or more damping branches 3 as required, and finally flows into the oil tank 6 from the tail end of the damping part 2, while the lower oil chamber 505 absorbs oil from the oil tank 6 through the sixth pipeline 16 and the fifth check valve 17; as shown in fig. 11, when the piston 502 moves downward, hydraulic oil in the lower oil chamber 505 flows into the upper oil chamber 504 through the check valve seven 506, meanwhile, because the volume of hydraulic oil flowing into the upper oil chamber by the lower oil chamber 505 is larger than the volume increased by the upper oil chamber 504 under the same stroke of the piston 502, more hydraulic oil flows into the head end of the damping part 2, passes through one or more damping branches 3 as required, and finally flows into the oil tank 6 from the tail end of the damping part 2.
When the working oil cavity is the lower oil cavity, the connection and pipelines among the shock absorber 5, the integrated seat 18 and the oil tank 6 are relatively complex, and the valve is more, so that the integrated seat 18 is positioned below the damping vibration reduction device, the electromagnet connecting cable of the electromagnetic valve 4 is easy to access, and a dust cover is easy to be arranged above the damping device; when the working oil cavity is the upper oil cavity, the connection and pipelines between the shock absorber 5, the integrated seat 18 and the oil tank 6 are relatively simple, and the valve is smaller, so that the integrated seat 18 is positioned above the damping vibration reduction device, the electromagnet connection cable of the electromagnetic valve 4 is longer, and a dust cover is difficult to set above the damping device, and the hydraulic damping device further comprises a base 20, wherein the base 20 is used for sealing the lower end of the cylinder 501 and installing a pipeline six 16 and a one-way valve five 17.
The specific working principle of the invention is as follows: assuming that when a certain automobile runs on a high-grade highway and a country gravel highway, damping parameters of a hydraulic shock absorber at a certain position are respectively a parameter 1 and a parameter 2, the parameter 1 can be set on the damping branch 1, and the parameter 2 can be set on the damping branch 2 through an optional variable damping branch integrated seat (the number of damping branches is 2, namely only the damping branch 1 and the damping branch 2, the electromagnetic valve 4 in the damping branch 1 is in a conducting position when power is lost, and the electromagnetic valve 4 in the damping branch 2 is in a cutting-off position when power is lost) of the optional variable damping hydraulic shock absorber as shown in fig. 1 or 9; an electric control switch is arranged near an automobile cab, the switch is manually arranged at a 1 position when the automobile is driven on a highway, electromagnetic valves of the damping branch circuits 1 and 2 are powered off and do not work through electric control, the damping branch circuit 2 is closed, and the damping branch circuit 1 is conducted and works; similarly, when the motor vehicle runs on a country gravel road, the switch is manually placed at the position of 2, electromagnetic valves of the damping branch circuits 1 and 2 are electrically operated through electric control, the damping branch circuit 1 is closed, and the damping branch circuit 2 is conducted.
Assuming that 6 cars of a fixed marshalling vehicle group are a car, a B car, a C car, a D car, an E car and an F car, when the fixed cars do not turn around and travel on a certain fixed line, the damping parameters of the hydraulic shock absorbers at a certain position are respectively damping parameters 1 of a first car, damping parameters 2 of a second car, damping parameters 3 of a third car, damping parameters 4 of a fourth car, damping parameters 5 of a fifth car and damping parameters 6 of a sixth car when the stability of each car is optimal, the parameter 1 can be set in the damping branch 1, the parameter 2 can be set in the damping branch 2, the parameter 3 can be set in the damping branch 3, the parameter 4 can be set in the damping branch 4, the parameter 5 can be set in the damping branch 5, and the parameter 6 can be set in the damping branch 6 by the optional variable damping branch integrated seat (the number of damping branches is increased to 6, namely the damping branch 1, the damping branch 2, the damping branch 3, the damping branch 4, the damping branch 5 and the damping branch 6 are provided, the electromagnetic valves of the damping branch 1 are normally open, and the electromagnetic valves of other branches are normally closed) of the optional variable damping hydraulic shock absorber shown in the figure 1 or figure 9. An electric control switch is arranged near the head car and the tail car driving platform of the fixed marshalling vehicle, the switch is arranged at the position of 1 when the vehicle is in forward running (the vehicle A is the head car), all electromagnetic valves 4 in the selectable damping branch integrated seat of the vehicle A are powered off and do not work through network or electric control, at the moment, damping branches 2, 3, 4, 5 and 6 are closed, and the damping branch 1 is conducted and works; the electromagnetic valve 4 of the damping branch circuits 1 and 2 of the B vehicle is electrically operated, and at the moment, the damping branch circuits 1, 3, 4, 5 and 6 are closed, and the damping branch circuit 2 is conducted to operate; the electromagnetic valve 4 of the damping branch circuits 1, 3 of the C vehicle is electrically operated, and at the moment, the damping branch circuits 1, 2, 4, 5 and 6 are closed, and the damping branch circuit 3 is conducted to operate; the electromagnetic valve 4 of the damping branch circuits 1, 4 of the D vehicle is electrically operated, and at the moment, the damping branch circuits 1, 2, 3, 5 and 6 are closed, and the damping branch circuit 4 is conducted to operate; the electromagnetic valve 4 of the damping branch circuits 1, 5 of the E car is electrically operated, and at the moment, the damping branch circuits 1, 2, 3, 4 and 6 are closed, and the damping branch circuit 5 is conducted to operate; the electromagnetic valves 4 of the damping branches 1 and 6 of the F vehicle are electrically operated, and at the moment, the damping branches 1, 2, 3, 4 and 5 are closed, and the damping branch 6 is conducted.
Similarly, when the vehicle runs in the reverse direction (the vehicle F is the head vehicle), the switch is arranged at the position of 2, all the electromagnetic valves 4 in the integrated seat of the selectable damping branch of the vehicle F are powered off and do not work through network or electric control, and at the moment, the damping branches 2, 3, 4, 5 and 6 are closed, and the damping branch 1 is conducted and works; the electromagnetic valve 4 of the damping branch circuits 1 and 2 of the E car is electrically operated, and at the moment, the damping branch circuits 1, 3, 4, 5 and 6 are closed, and the damping branch circuit 2 is conducted to operate; the electromagnetic valve 4 of the damping branch circuits 1, 3 of the D vehicle is electrically operated, and at the moment, the damping branch circuits 1, 2, 4, 5 and 6 are closed, and the damping branch circuit 3 is conducted to operate; the electromagnetic valve 4 of the damping branch circuits 1, 4 of the C vehicle is electrically operated, and at the moment, the damping branch circuits 1, 2, 3, 5 and 6 are closed, and the damping branch circuit 4 is conducted to operate; the electromagnetic valve 4 of the damping branch circuits 1, 5 of the B car is electrically operated, at the moment, the damping branch circuits 1, 2, 3, 4 and 6 are closed, and the damping branch circuit 5 is conducted to operate; the electromagnetic valve 4 of the damping branch circuits 1, 6 of the A vehicle is electrically operated, and at the moment, the damping branch circuits 1, 2, 3, 4 and 5 are closed, and the damping branch circuit 6 is conducted to operate.
Assuming that 6 sections of marshalling A vehicles, B vehicles, C vehicles, D vehicles, E vehicles and F vehicles of a certain trackless vehicle group are grouped, when a certain fixed line does not turn around and operates back and forth, damping parameters of a hydraulic shock absorber at a certain position are respectively a first section of carriage and a second section of carriage are damping parameters 1, a third section of carriage and a fourth section of carriage are damping parameters 2, a fifth section of carriage is damping parameters 3, a sixth section of carriage is damping parameters 4, parameters 1 can be set in a damping branch 1 through an integrated seat of an optional variable damping branch of the optional variable damping hydraulic shock absorber shown in fig. 1 or 9, parameters 2 can be set in the damping branch 2, parameters 3 can be set in the damping branch 3, and parameters 4 can be set in the damping branch 4. An electric control switch is arranged near the head car and the tail car driving platform of the trackless vehicle, the switch is arranged at the 1 position during forward running (the A car is the head car), all electromagnetic valves 4 in the selectable damping branch integrated seat of the A, B car are powered off and do not work through network or electric control, at the moment, the damping branches 2, 3 and 4 are closed, and the damping branch 1 is conducted and works; the electromagnetic valves 4 of the damping branches 1 and 2 of the C, D vehicle are electrically operated, and at the moment, the damping branches 1, 3 and 4 are closed, and the damping branch 2 is conducted; the electromagnetic valves 4 of the damping branches 1 and 3 of the E car are electrically operated, and at the moment, the damping branches 1, 2 and 4 are closed, and the damping branch 3 is conducted; the electromagnetic valves 4 of the damping branches 1 and 4 of the F vehicle are electrically operated, and at the moment, the damping branches 1, 2 and 3 are closed, and the damping branch 4 is conducted. Similarly, when the vehicle runs in the reverse direction (the vehicle F is the head vehicle), the switch is arranged at the position of 2, all the electromagnetic valves 4 in the integrated seat of the selectable damping branch circuit of the F, E vehicle are powered off and do not work through network or electric control, and at the moment, the damping branch circuits 2, 3 and 4 are closed, and the damping branch circuit 1 is conducted and works; the electromagnetic valves 4 of the damping branches 1 and 2 of the D, C vehicle are electrically operated, and at the moment, the damping branches 1, 3 and 4 are closed, and the damping branch 2 is conducted; the electromagnetic valve 4 of the damping branch circuits 1, 3 of the B car is electrically operated, at the moment, the damping branch circuits 1, 2 and 4 are closed, and the damping branch circuit 3 is conducted; the electromagnetic valves 4 of the damping branches 1 and 4 of the vehicle A are electrically operated, and at the moment, the damping branches 1, 2 and 3 are closed, and the damping branch 4 is conducted.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to imply that the scope of the present application is limited to such examples; combinations of features of the above embodiments or in different embodiments are also possible within the spirit of the application, steps may be implemented in any order, and there are many other variations of the different aspects of one or more embodiments described above which are not provided in detail for the sake of brevity.
One or more embodiments herein are intended to embrace all such alternatives, modifications and variations that fall within the broad scope of the present application. Any omissions, modifications, equivalents, improvements, and the like, which are within the spirit and principles of the one or more embodiments in the present application, are therefore intended to be included within the scope of the present application.
Claims (5)
1. The parallel damping branch damping vibration attenuation device is characterized by comprising a vibration absorber (5), an integrated seat (18), a pipeline formed by the structure of the integrated seat (18) and a damping part (2) in the integrated seat (18), and an oil tank (6) formed by the vibration absorber (5), a mounting sleeve (1) and the integrated seat (18), wherein the damping part (2) comprises two or more parallel damping branches (3), an electromagnetic valve (4) and a throttle valve (19) are sequentially arranged in the damping branches (3), the electromagnetic valve (4) comprises a switchable conducting position (401) and a blocking position (402), the throttle valve (19) comprises a check valve six (1901) and a throttle orifice (1902), one end of the damping branch (3) close to the electromagnetic valve (4) is connected to be the head end of the damping part (2), the other end of the damping branch (3) is connected to be the tail end of the damping part (2), the vibration absorber (5) comprises a cylinder body (501), a piston (502) arranged in the cylinder body (501) in a sliding manner, and a piston rod (503) connected with the piston (502), and the piston (5), the piston (502) moves upwards or downwards when the vibration absorber (5), the part (6) and the piston (502) are circulated through the pipeline (502) to form a downward state, hydraulic oil enters the damping component (2) through a pipeline and passes through one or more damping branches (3), and different damping combinations are formed by selecting the hydraulic oil to flow through one or more damping branches (3) to act on the piston (502); when the cylinder body (501) is divided into an upper oil cavity (504) and a lower oil cavity (505) by the piston (502), the working cavity is the lower oil cavity (505), the working cavity further comprises a first pipeline (7) connected with the lower oil cavity (505) and the head end of the damping component (2), a second pipeline (8) connected with the tail end of the damping component (2) and the oil tank (6), a third pipeline (9) connected with the oil tank (6) and the head end of the damping component (2), a fourth pipeline (10) connected with the tail end of the damping component (2) and the lower oil cavity (505), and a fifth pipeline (11) connected with the upper oil cavity (504) and the oil tank (6), and valves are arranged on the first pipeline (7), the second pipeline (8), the third pipeline (9) and the fourth pipeline (10); the valve comprises a first check valve (12) which is arranged on the first pipeline (7) and flows towards the head end of the damping part (2), a second check valve (13) which is arranged on the second pipeline (8) and flows towards the oil tank (6), a third check valve (14) which is arranged on the third pipeline (9) and flows towards the head end of the damping part (2), and a fourth check valve (15) which is arranged on the fourth pipeline (10) and flows towards the lower oil cavity (505).
2. Parallel damping branch damping vibration attenuation device according to claim 1, characterized in that the first (7) and third (9) pipeline merge into each other and the second (8) and fourth (10) pipeline merge into each other.
3. Parallel damping branch damping vibration attenuation device according to claim 1, characterized in that the pipeline, the damping part (2) are distributed on an integrated seat (18).
4. A parallel damping branch damping vibration attenuation device according to any one of claims 1-3, characterized in that the vibration attenuation device (5) is fixedly arranged at one end of the integrated seat (18).
5. The parallel damping branch damping vibration attenuation device according to claim 4, wherein the outer side of the vibration absorber (5) is further provided with a mounting sleeve (1), and the mounting sleeve (1), the cylinder body (501) and the integrated seat (18) form an oil tank (6).
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| CN202210094094.8A CN114704588B (en) | 2022-01-26 | 2022-01-26 | Parallel damping branch damping vibration attenuation device |
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| CN114704588A (en) | 2022-07-05 |
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