CN206378234U - A kind of high speed motor car damper piston pretension draught control system - Google Patents
A kind of high speed motor car damper piston pretension draught control system Download PDFInfo
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- CN206378234U CN206378234U CN201621472297.2U CN201621472297U CN206378234U CN 206378234 U CN206378234 U CN 206378234U CN 201621472297 U CN201621472297 U CN 201621472297U CN 206378234 U CN206378234 U CN 206378234U
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- core valve
- adjusting screw
- mounting hole
- swing arm
- piston
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- 238000005259 measurement Methods 0.000 claims abstract description 35
- 230000033228 biological regulation Effects 0.000 claims description 7
- 230000003137 locomotive effect Effects 0.000 abstract description 2
- 238000011017 operating method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000012797 qualification Methods 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model belongs to rail locomotive ride-control technical field of producing, and in particular to a kind of high speed motor car damper piston pretension draught control system, system includes：Piston apparatus and adjusting means, wherein, the piston apparatus includes：Piston, core valve spring, core valve and adjusting screw, wherein, the piston includes：Core valve spring mounting hole, core valve mounting hole and adjusting screw mounting hole；The adjusting means includes：Swing arm, the pressure sensor provided with measurement bar, controller and the control swing arm and the servomotor of measurement bar movement.Not only accuracy is high for the system, and with efficiency high, operating method is simple, the characteristics of hand labor intensity is low.
Description
Technical field
The utility model belongs to rail locomotive ride-control technical field of producing, specifically, the utility model
It is related to a kind of automatic regulating system for high speed motor car oil-pressure damper piston pretightning force.
Background technology
Oil-pressure damper is the important spare part on rail vehicle, with higher technology content, in its work stretching and
The force value of compression direction to four groups in damper piston or six groups of springs mainly by carrying out pretension generation, and pre-tension method leads to
Frequently with using spring testing machine detection spring pretightning force after artificial pre- stubborn adjusting screw, according to the inclined of measurement result and technological requirement
Difference is adjusted, and method of adjustment is to rotate adjusting screw again, then the circulation detected, until spring is adjusted into qualified pretension
In the range of power, the adjustment experience to operating personnel has very high requirement in process of production, due to have on each piston four groups or
Six groups of springs, every time because the reaction force of spring causes core valve to bear increasing damping force with adjusting screw during adjustment,
Therefore the muscle power and notice to personnel require also higher, and this process is generally also the bottleneck process in production process, can be made
Decline into production efficiency, process staff training and qualification time are longer.Therefore how to design a kind of efficiently and simple to operate
Damper piston pretension draught control system turn into this area urgent need to resolve technical problem.
Utility model content
The utility model is in view of the shortcomings of the prior art, it is proposed that a kind of high speed motor car damper piston pretightning force regulation system
System, not only accuracy is high for the system, and efficiency high, and operating method is simple, and hand labor intensity is low.
In order to solve the above technical problems, being the utility model proposes a kind of regulation of high speed motor car damper piston pretightning force
System, according to embodiment of the present utility model, including：Piston apparatus and adjusting means, wherein, the piston apparatus includes：Piston,
Core valve spring, core valve and adjusting screw, wherein, the piston includes：Core valve spring mounting hole, core valve mounting hole and adjusting screw
Mounting hole, the core valve mounting hole site is in one end of the piston, for installing the core valve, and described core valve one end is from described
Outside is extended to inside core valve mounting hole, for being contacted with measurement bar, the other end is provided with annular pallet；The adjusting screw is installed
Hole position is in the outside of the core valve mounting hole and positioned at the top of the annular pallet, for installing the adjusting screw；It is described
Core valve spring mounting hole is vertically located at the lower section of the annular pallet, for installing the core valve spring, the core valve
Spring one end is connected with the bottom of the annular pallet, and the other end is connected with the piston inner wall；The adjusting screw is located at institute
State in adjusting screw mounting hole, for being contacted with swing arm；The adjusting means includes：Swing arm, the pressure sensing provided with measurement bar
Device, controller and the control swing arm and the servomotor of measurement bar movement, wherein, the swing arm is located at the adjusting screw
Top, for compressing the core valve spring, adjusts pretightning force；The measurement bar is prolonged through the inside and its two ends of the swing arm
The outside of the swing arm is extended, one end is connected with the pressure sensor, the other end is located at the top of the core valve, for compressing
The core valve and then compressed core valve spring generation pretightning force；The pressure sensor respectively with the measurement bar and controller phase
Even, for sending a signal to controller；The controller is connected with the pressure sensor and servomotor respectively, for connecing
Receive signal and send control instruction to servomotor that the pressure sensor sends.
According to embodiment of the present utility model, two buttons are threadably mounted at the adjusting screw mounting hole by the adjusting screw
It is interior, and the adjusting screw is provided with flat recess, drives adjusting screw to move together for the swing arm.
According to embodiment of the present utility model, the core valve spring is 4 groups or 6 groups.
According to embodiment of the present utility model, the swing arm is located at the surface of the adjusting screw, the measurement bar position
In the surface of the core valve.
The utility model at least includes following beneficial effect：The utility model is used directly to be surveyed with sensor measurement bar
The method for measuring initial tension of spring, system operatio is simple, it is to avoid the inaccuracy that is measured in adjustment, due to the difference of spring rate
Different and artificial qualification and the problem of the efficiency, the accuracy that cause are low, labor intensity is big, system described in the utility model is to behaviour
Author need to only carry out basic adjustment and training on operation, while the operating process of standardization with the operation of people's multimachine, can be realized,
The dependence to personnel and operative skill is greatly reduced, production efficiency and product quality are improved also by the guarantee of equipment.
Brief description of the drawings
Structural representation when Fig. 1 is the utility model systematic survey bar compressed core valve.
Fig. 2 is structural representation when the utility model system swing arm compresses adjusting screw.
Wherein, piston 1, core valve spring 2, core valve 3, annular pallet 301, adjusting screw 4, measurement bar 5, swing arm 6, pressure is passed
Sensor 7, controller 8, servomotor 9.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to specific embodiment
The utility model is described in further detail.The embodiments described below is exemplary, is only used for explaining that this practicality is new
Type, and it is not intended that to limitation of the present utility model.
The utility model proposes a kind of high speed motor car damper piston pretension draught control system, according to of the present utility model
Embodiment, shown in reference picture 1, system described in the utility model includes：Piston apparatus and adjusting means.
According to embodiment of the present utility model, shown in reference picture 1, the shock absorber along piston rod it is symmetrical it is each set one
Individual piston apparatus, the piston apparatus includes：Piston 1, core valve spring 2, core valve 3 and adjusting screw 4, wherein, the piston bag
Include：Core valve spring mounting hole, core valve mounting hole and adjusting screw mounting hole, are respectively used to install the core valve bullet that correspondence matches
Spring, core valve and adjusting screw；The core valve mounting hole site is in one end of the piston, for installing the core valve, and the core
Valve one end is extended to outside hole inside the core valve mounting hole, for being contacted with measurement bar, and the other end is provided with annular pallet
301；The adjusting screw mounting hole site is in the outside of the core valve mounting hole and positioned at the top of the annular pallet, for pacifying
The adjusting screw is filled, two buttons are threadably mounted in the adjusting screw mounting hole by the adjusting screw, and the adjustment spiral shell
Nail on provided with flat recess, drive adjusting screw to move together for the swing arm, make the tune when core valve compressed core valve spring
Produce gap between whole screw and core valve, the adjusting screw will not by core valve spring reaction force, adjusting screw do not having
Torque very little needed for adjusting in the case of having reverse resistance is i.e. rotatable；The core valve spring mounting hole vertically position
In the lower section of the annular pallet, for installing the core valve spring, described core valve spring one end and the bottom of the annular pallet
Portion is connected, and the other end is connected with the piston inner wall, when measurement bar does not have compressed core valve, and the core valve spring is free height
Without compressive state, according to some embodiments of the present utility model, core valve spring described in the utility model is preferably 4-6 groups；It is described
Adjusting screw is located in the adjusting screw mounting hole, for being contacted with swing arm, because adjusting screw has in traditional shock absorber
There is the reaction force of larger core valve spring, every time because the reaction force of spring causes core valve to be born with adjusting screw during adjustment
Increasing damping force, therefore also higher is required to the muscle power and notice of personnel, this process is generally also production process
In bottleneck process, production efficiency can be caused to decline, and system described in the utility model solves this problem well, makes tune
There is gap between whole screw and core valve, eliminate the core valve spring reaction force that adjusting screw is subject to, adjusting screw is not anti-
Torque very little needed for getting up to adjustment in the case of resistance is i.e. rotatable, simple to operate effortless and efficiently.
According to embodiment of the present utility model, regulating system described in the utility model also includes fixture, for fixed described
Piston apparatus.
According to embodiment of the present utility model, shown in reference picture 1, the adjusting means includes：Swing arm 6, provided with measurement bar 5
Pressure sensor 7, controller 8 and the control swing arm and measurement bar movement servomotor 9, wherein, the swing arm is located at
The surface of the adjusting screw, for compressing the core valve spring, adjusts pretightning force；The measurement bar is through the swing arm
Internal and its two ends all extend to the outside of the swing arm, and one end is connected with the pressure sensor, and the other end is located at the core
The surface of valve, for compressing the core valve and then compressed core valve spring generation pretightning force；The pressure sensor respectively with institute
State measurement bar with controller to be connected, for sending a signal to controller；The controller respectively with the pressure sensor and
Servomotor is connected, for receiving the signal and send control instruction to servomotor that the pressure sensor sends；According to this
Some embodiments of utility model, the mode of swing arm and measurement bar is unrestricted described in Serve Motor Control described in the utility model
System, as long as it is mobile to produce the swing arm and measurement bar.
According to embodiment of the present utility model, the movement of swing arm described in the utility model and measurement bar is used at the uniform velocity to slide
In the accuracy for improving system described in the utility model.
In another aspect of the present utility model, it is proposed that one kind is using foregoing system to damper piston pretightning force
The method of regulation, according to embodiment of the present utility model, comprises the following steps：The first step：Fig. 1 is the utility model systematic survey
Structural representation during bar compressed core valve, shown in reference picture 1, measurement bar described in the startup Serve Motor Control is at the uniform velocity moved downwards
It is dynamic, compress the annular pallet on the core valve, the core valve and then compress the core valve spring so that the adjusting screw and ring
Shape pallet produces gap, produces the upward predetermined pretension force value of core valve spring.
According to embodiment of the present utility model, when the core valve compresses the core valve spring, make the adjusting screw with
Produce gap between core valve, the adjusting screw will not by core valve spring reaction force, adjusting screw do not hindering reversely
Torque very little needed for adjustment is got up in the case of power is i.e. rotatable, with it is simple to operate effortless and efficient the characteristics of.
According to embodiment of the present utility model, second step：The pressure sensor is obtained after the predetermined pretension force value, to
The controller sends corresponding signal, and the controller receives and the servomotor is sent instructions to after signal, and control is described
Servomotor is out of service, and the measurement bar stops moving down, and treats that the measurement bar is stable.
According to embodiment of the present utility model, the 3rd step：When Fig. 2 is the utility model system swing arm compression adjusting screw
Structural representation, shown in reference picture 2, after the measurement bar is stable, swing arm described in the startup Serve Motor Control is moved down,
After the flat recess clamping of the swing arm and the adjusting screw, drive the adjusting screw at the uniform velocity in rotary moving downwardly together,
The predetermined pretension force value is adjusted, the adjusting screw touches the annular pallet on the core valve and then compresses the core valve bullet
During spring, a force value pushed is produced, the core valve is pushed measurement bar generation one described in Shi Huiyu by adjusting screw and gradually divided
From trend, now the measurement bar be delivered to the predetermined pretension force value of the pressure sensor and the trend reduced be presented.
According to embodiment of the present utility model, the 4th step：When the predetermined pretension force value reduces 2%, the pressure is passed
Sensor sends controller described in corresponding signal, and the controller sends the control instruction that the servomotor stops operating, this
Shi Suoshu swing arms stop movement, after 2 seconds, start swing arm described in the Serve Motor Control and retract original position with measurement bar；
According to embodiment of the present utility model, the 5th step：The pretightning force regulation of the piston apparatus is completed, and takes out the work
Plug device, carries out the pretightning force regulation of next group of piston apparatus, repeats the above steps.
Inventor has found, according to high speed motor car damper piston pretension draught control system described in the utility model, use
It is the method with sensor measurement bar direct measurement initial tension of spring, system operatio is simple, it is to avoid measure not in adjustment
Accuracy, the efficiency, the accuracy that are caused due to the difference and artificial qualification of spring rate are low, labor intensity asking greatly
Topic, system described in the utility model need to only carry out basic adjustment and training on operation to operator, while can be with people's multimachine
Operation, realizes the operating process of standardization, greatly reduces the dependence to personnel and operative skill, production efficiency and product quality
It is improved also by the guarantee of equipment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can in an appropriate manner be combined in any one or more embodiments or example.
In description of the present utility model, it is to be understood that term " on ", " under ", "left", "right", " side ", etc. indicate
Orientation or position relationship be, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and letter
Change description, rather than indicate or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or point connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification, simultaneously for those of ordinary skill in the art, foundation
The thought of the application, will change in specific embodiments and applications.
Claims (4)
1. a kind of high speed motor car damper piston pretension draught control system, it is characterised in that including：Piston apparatus and regulation are filled
Put, wherein,
The piston apparatus includes：Piston, core valve spring, core valve and adjusting screw, wherein, the piston includes：Core valve spring
Mounting hole, core valve mounting hole and adjusting screw mounting hole, the core valve mounting hole site is in one end of the piston, for installing
Core valve is stated, and described core valve one end extends to outside inside the core valve mounting hole, for being contacted with measurement bar, the other end is set
There is annular pallet；The adjusting screw mounting hole site is in the outside of the core valve mounting hole and positioned at the upper of the annular pallet
Side, for installing the adjusting screw；The core valve spring mounting hole is vertically located at the lower section of the annular pallet, uses
In installing the core valve spring, described core valve spring one end is connected with the bottom of the annular pallet, the other end and the piston
Inwall is connected；The adjusting screw is located in the adjusting screw mounting hole, for being contacted with swing arm；
The adjusting means includes：Swing arm, the pressure sensor provided with measurement bar, controller and the control swing arm and measurement bar
Mobile servomotor, wherein, the swing arm is located at the top of the adjusting screw, for compressing the core valve spring, regulation
Pretightning force；The measurement bar all extends to the outside of the swing arm through the inside and its two ends of the swing arm, one end with it is described
Pressure sensor is connected, and the other end is located at the top of the core valve, for compressing the core valve and then the generation of compressed core valve spring
Pretightning force；The pressure sensor is connected with the measurement bar and controller respectively, for sending a signal to controller；It is described
Controller is connected with the pressure sensor and servomotor respectively, for receiving signal and hair that the pressure sensor is sent
Control instruction is sent to servomotor.
2. system according to claim 1, it is characterised in that two buttons are threadably mounted at the adjustment by the adjusting screw
In screw mounting hole, and the adjusting screw is provided with flat recess, drives adjusting screw to move together for the swing arm.
3. system according to claim 1, it is characterised in that the core valve spring is 4 groups or 6 groups.
4. system according to claim 1, it is characterised in that the swing arm is located at the surface of the adjusting screw, institute
State the surface that measurement bar is located at the core valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472297.2U CN206378234U (en) | 2016-12-30 | 2016-12-30 | A kind of high speed motor car damper piston pretension draught control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472297.2U CN206378234U (en) | 2016-12-30 | 2016-12-30 | A kind of high speed motor car damper piston pretension draught control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206378234U true CN206378234U (en) | 2017-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621472297.2U Expired - Fee Related CN206378234U (en) | 2016-12-30 | 2016-12-30 | A kind of high speed motor car damper piston pretension draught control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206378234U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768555A (en) * | 2016-12-30 | 2017-05-31 | 深圳市中车业成实业有限公司 | A kind of high speed motor car damper piston pretension draught control system and method |
| CN109269798A (en) * | 2018-11-23 | 2019-01-25 | 燕山大学 | A kind of damper recuperation valve spring pre-tightening force tester |
-
2016
- 2016-12-30 CN CN201621472297.2U patent/CN206378234U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768555A (en) * | 2016-12-30 | 2017-05-31 | 深圳市中车业成实业有限公司 | A kind of high speed motor car damper piston pretension draught control system and method |
| CN109269798A (en) * | 2018-11-23 | 2019-01-25 | 燕山大学 | A kind of damper recuperation valve spring pre-tightening force tester |
| CN109269798B (en) * | 2018-11-23 | 2019-08-23 | 燕山大学 | A kind of damper recuperation valve spring pre-tightening force tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 |