CN106768555A - A kind of high speed motor car damper piston pretension draught control system and method - Google Patents
A kind of high speed motor car damper piston pretension draught control system and method Download PDFInfo
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- CN106768555A CN106768555A CN201611252164.9A CN201611252164A CN106768555A CN 106768555 A CN106768555 A CN 106768555A CN 201611252164 A CN201611252164 A CN 201611252164A CN 106768555 A CN106768555 A CN 106768555A
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- core valve
- adjusting screw
- swing arm
- measurement bar
- piston
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Damping Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention 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 and method, system include：Piston apparatus and adjusting means；Method includes：1）Obtain the predetermined pretension force value of core valve spring；2）The measurement bar stops moving down；3）Adjust the predetermined pretension force value；4）When the predetermined pretension force value reduces 2%, the pressure sensor sends controller described in corresponding signal, the controller sends the control instruction that the servomotor stops operating, now the swing arm stops movement, after a period of time, start swing arm described in the Serve Motor Control and return original position with measurement bar；5）The pretightning force regulation of the piston apparatus is completed, and takes out the piston apparatus, carries out the next group of pretightning force regulation of piston apparatus, is repeated the above steps.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 invention belongs to rail locomotive ride-control technical field of producing, specifically, the present invention relates to one kind
For the automatic regulating system and method 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 technology content higher, in its work stretching and
The force value of compression direction is mainly carries out pretension generation by four groups in damper piston or six groups of springs, and pre-tension method leads to
It is inclined with technological requirement according to measurement result frequently with spring testing machine detection spring pretightning force is used after artificial pre- stubborn adjusting screw
Difference is adjusted, and method of adjustment is to rotate adjusting screw again, then the circulation for detecting, until spring is adjusted into qualified pretension
In the range of power, the adjustment experience to operating personnel has requirement very high 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 that core valve bears increasing damping force with adjusting screw during adjustment,
Therefore muscle power and the notice requirement to personnel are also higher, and this operation is generally also the bottleneck operation in production process, can be made
Decline into production efficiency, operation staff training and qualification time are more long.Therefore how to design a kind of efficiently and simple to operate
Damper piston pretension draught control system and method turn into this area urgent need to resolve technical problem.
The content of the invention
The present invention in view of the shortcomings of the prior art, it is proposed that a kind of high speed motor car damper piston pretension draught control system and
Method, 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, the present invention proposes a kind of high speed motor car damper piston pretension draught control system,
Embodiments in accordance with the present invention, including：Piston apparatus and adjusting means, wherein, the piston apparatus include：Piston, core valve bullet
Spring, core valve and adjusting screw, wherein, the piston includes：Core valve spring mounting hole, core valve mounting hole and adjusting screw are installed
Hole, in one end of the piston, for installing the core valve, and described core valve one end is from the core valve for the core valve mounting hole site
Outside is extended to inside mounting hole, for being contacted with measurement bar, the other end is provided with annular pallet；The adjusting screw mounting hole site
In the outside of the core valve mounting hole and positioned at the top of the annular pallet, for installing the adjusting screw；The 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 the tune
In whole screw mounting hole, for being contacted with swing arm；The adjusting means includes：Swing arm, the pressure sensor for being provided with measurement bar, control
Device processed and the control swing arm and the servomotor of measurement bar movement, wherein, the swing arm is located at the top of the adjusting screw,
For compressing the core valve spring, pretightning force is adjusted；The measurement bar is all extended to through the inside and its two ends of the swing arm
The outside of the swing arm, one end is connected with the pressure sensor, and the other end is located at the top of the core valve, described for compressing
Core valve and then compressed core valve spring generation pretightning force；The pressure sensor is connected with the measurement bar and controller respectively, uses
In sending a signal to controller；The controller is connected with the pressure sensor and servomotor respectively, for receiving
State signal and send control instruction to servomotor that pressure sensor sends.
Be threadably mounted at two buttons in the adjusting screw mounting hole by embodiments in accordance with the present invention, the adjusting screw,
And the adjusting screw is provided with flat recess, adjusting screw is driven to move together for the swing arm.
Embodiments in accordance with the present invention, the core valve spring is 4 groups or 6 groups.
Embodiments in accordance with the present invention, the swing arm is located at the surface of the adjusting screw, and the measurement bar is located at institute
State the surface of core valve.
In another aspect of this invention, it is proposed that a kind of to utilize what system noted earlier was adjusted to damper piston pretightning force
Method, embodiments in accordance with the present invention are comprised the following steps：1）Start measurement bar described in the Serve Motor Control to moving down
It is dynamic, the compression core valve, annular pallet and then the compression core valve spring on the core valve so that the adjusting screw and ring
Shape pallet produces gap, produces the upward predetermined pretension force value of core valve spring；2）The pressure sensor obtains described predetermined pre-
After clamp force value, corresponding signal is sent to the controller, the controller sends instructions to the servo electricity after receiving signal
Machine, controls the servomotor out of service, and the measurement bar stops moving down, and treats the measurement bar stabilization；3）The survey
After gauge rod stabilization, swing arm described in the startup Serve Motor Control is moved down, when the swing arm and the one of the adjusting screw
After word groove clamping, drive the adjusting screw in rotary moving downwardly together, adjust the predetermined pretension force value, the adjusting screw
When touching the annular pallet on the core valve, a force value for pushing is produced, now the measurement bar is delivered to the pressure
The described predetermined pretension force value of sensor is presented the trend for reducing；4）When the predetermined pretension force value reduces 2%, the pressure
Force snesor sends controller described in corresponding signal, and the controller sends the control that the servomotor stops operating and refers to
Order, the now swing arm stopping movement after a period of time, starts swing arm described in the Serve Motor Control and returns original with measurement bar
Position；5）The pretightning force regulation of the piston apparatus is completed, and takes out the piston apparatus, carries out the next group of pretightning force of piston apparatus
Regulation, repeats the above steps.
In embodiments in accordance with the present invention, step 4, the time is 2s.
The present invention at least includes following beneficial effect：The present invention uses pre- with sensor measurement bar direct measurement spring
The method of clamp force, system operatio is simple, it is to avoid inaccuracy measure in adjustment, due to the difference and manually of spring rate
Qualification and the efficiency, the problem that accuracy is low, labour intensity is big that cause, system of the present invention need to only be carried out to operator
Basic adjustment and training on operation, while standardized operating process can be realized with the operation of people's multimachine, it is right to greatly reduce
Personnel and the dependence of operative skill, production efficiency and product quality are improved also by the guarantee of equipment.
Brief description of the drawings
Structural representation when Fig. 1 is present system measurement bar compressed core valve.
Structural representation when Fig. 2 is present system swing arm compression 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.
Specific embodiment
In order that those skilled in the art more fully understand technical scheme, with reference to specific embodiment to this
Invention is described in further detail.The embodiments described below is exemplary, is only used for explaining the present invention, without being understood that
It is limitation of the present invention.
The present invention proposes a kind of high speed motor car damper piston pretension draught control system, embodiments in accordance with the present invention,
Shown in reference picture 1, system of the present invention includes：Piston apparatus and adjusting means.
Embodiments in accordance with the present invention, shown in reference picture 1, the shock absorber is along piston rod one work of symmetrical each setting
Plug device, the piston apparatus include：Piston 1, core valve spring 2, core valve 3 and adjusting screw 4, wherein, the piston includes：Core
Valve spring mounting hole, core valve mounting hole and adjusting screw mounting hole, are respectively used to install core valve spring, core valve that correspondence matches
And adjusting screw；The core valve mounting hole site in one end of the piston, for installing the core valve, and described core valve one end from
Extended to outside hole inside the core valve mounting hole, for being contacted with measurement bar, the other end is provided with annular pallet 301；The tune
Whole screw mounting hole is located at the outside of the core valve mounting hole and positioned at the top of the annular pallet, for installing the adjustment
Be threadably mounted at two buttons in the adjusting screw mounting hole by screw, the adjusting screw, and the adjusting screw is provided with one
Word groove, drives adjusting screw to move together for the swing arm, and the adjusting screw and core are made when core valve compressed core valve spring
Gap is produced between valve, the adjusting screw will not be subject to the reaction force of core valve spring, and adjusting screw is without reverse resistance
In the case of adjustment get up required torque very little it is i.e. rotatable；The core valve spring mounting hole is vertically located at the annular
The lower section of pallet, for installing the core valve spring, described core valve spring one end is connected with the bottom of the annular pallet, another
End be connected with the piston inner wall, when measurement bar does not have compressed core valve, the core valve spring be free height without compressive state,
Some embodiments of the invention, core valve spring of the present invention is preferably 4-6 groups；The adjusting screw is located at the adjustment
In screw mounting hole, for being contacted with swing arm, because adjusting screw has the anti-of larger core valve spring in traditional shock absorber
Active force, every time because the reaction force of spring causes that core valve bears increasing damping force with adjusting screw during adjustment, because
This muscle power and notice requirement to personnel is also higher, and this operation is generally also the bottleneck operation in production process, can be caused
Production efficiency declines, and system of the present invention solves this problem well, between making to exist between adjusting screw and core valve
Gap, eliminates the core valve spring reaction force that adjusting screw is subject to, and adjusting screw adjustment in the case of without reverse resistance is got up
Required torque very little be it is rotatable, it is simple to operate effortless and efficiently.
Embodiments in accordance with the present invention, regulating system of the present invention also includes fixture, for fixing the piston apparatus.
Embodiments in accordance with the present invention, shown in reference picture 1, the adjusting means includes：Swing arm 6, the pressure for being provided with measurement bar 5
Force snesor 7, controller 8 and the control swing arm and the servomotor 9 of measurement bar movement, wherein, the swing arm is located at described
The surface of adjusting screw, for compressing the core valve spring, adjusts pretightning force；The measurement bar is through the inside of the swing arm
And its two ends all extends to the outside of the swing arm, one end is connected with the pressure sensor, and the other end is located at the core valve
Surface, for compressing the core valve and then compressed core valve spring generation pretightning force；The pressure sensor respectively with the survey
Gauge rod is connected with controller, for sending a signal to controller；The controller respectively with the pressure sensor and servo
Motor is connected, for receiving the signal and send control instruction to servomotor that the pressure sensor sends；According to the present invention
Some embodiments, the mode of swing arm and measurement bar is unrestricted described in Serve Motor Control of the present invention, as long as can make
The swing arm and measurement bar produce mobile.
Embodiments in accordance with the present invention, the movement of swing arm of the present invention and measurement bar is at the uniform velocity to slide, for improving this
Invent the accuracy of the system.
In another aspect of this invention, it is proposed that one kind is adjusted using foregoing system to damper piston pretightning force
Method, embodiments in accordance with the present invention comprise the following steps：The first step：When Fig. 1 is present system measurement bar compressed core valve
Structural representation, shown in reference picture 1, start the Serve Motor Control described in measurement bar at the uniform velocity move downwards, compression is described
Core valve, annular pallet and then the compression core valve spring on the core valve so that the adjusting screw is produced with annular pallet
Gap, produces the upward predetermined pretension force value of core valve spring.
Embodiments in accordance with the present invention, when the core valve compresses the core valve spring, make the adjusting screw and core valve
Between produce gap, the adjusting screw will not be subject to the reaction force of core valve spring, and adjusting screw is without reverse resistance
In the case of adjustment get up required torque very little it is i.e. rotatable, with it is simple to operate effortless and efficient the characteristics of.
Embodiments in accordance with the present invention, second step：After the pressure sensor obtains the predetermined pretension force value, to described
Controller sends corresponding signal, and the controller sends instructions to the servomotor, controls the servo after receiving signal
Motor is out of service, and the measurement bar stops moving down, and treats the measurement bar stabilization.
Embodiments in accordance with the present invention, the 3rd step：Structural representation when Fig. 2 is present system swing arm compression adjusting screw
Figure, shown in reference picture 2, after the measurement bar stabilization, swing arm described in the startup Serve Motor Control is moved down, when the rotation
After bar and the flat recess clamping of the adjusting screw, drive the adjusting screw at the uniform velocity in rotary moving downwardly together, regulation is described
Predetermined pretension force value, when the adjusting screw touches the annular pallet on the core valve and then compresses the core valve spring, produces
A raw force value for pushing, the core valve by adjusting screw push measurement bar described in Shi Huiyu produce one be gradually disengaged become
Gesture, now the measurement bar be delivered to the pressure sensor described predetermined pretension force value present reduce trend.
Embodiments in accordance with the present invention, the 4th step：When the predetermined pretension force value reduces 2%, the pressure sensor
Controller described in corresponding signal is sent, the controller sends the control instruction that the servomotor stops operating, now institute
State swing arm and stop movement, after 2 seconds, start swing arm described in the Serve Motor Control and return original position with measurement bar；
Embodiments in accordance with the present invention, the 5th step：The pretightning force regulation of the piston apparatus is completed, and takes out the piston apparatus,
The next group of pretightning force regulation of piston apparatus is carried out, is repeated the above steps.
Inventor's discovery, according to high speed motor car damper piston pretension draught control system of the present invention, uses use
The method of sensor measurement bar direct measurement initial tension of spring, system operatio is simple, it is to avoid what is measured in adjustment is inaccurate
Property, efficiency, the problem that accuracy is low, labour intensity is big caused due to the difference and artificial qualification of spring rate, this
Inventing the system need to only carry out basic adjustment and training on operation to operator, while can be realized with the operation of people's multimachine
Standardized operating process, greatly reduces the dependence to personnel and operative skill, and production efficiency and product quality are also by setting
Standby guarantee is improved.
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 invention or example.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or spy
Point can in an appropriate manner be combined in one or more any embodiments or example.
In the description of the invention, it is to be understood that term " on ", D score, "left", "right", " side ", etc. instruction side
Position or position relationship are, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and described with simplified,
Rather than indicate imply signified device or element must have specific orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Be mechanically connect, or put connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification, simultaneously for those of ordinary skill in the art, according to the think of of the application
Think, will change in specific embodiments and applications.
Claims (6)
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 include：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 in one end of the piston, for installing
Core valve is stated, and described core valve one end extends to outside from inside the core valve mounting hole, for being contacted with measurement bar, the other end sets
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 used vertically positioned at the lower section of the annular pallet
In the core valve spring is installed, 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 for being 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, is produced for compressing the core valve and then 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 sends
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
Measurement bar is stated positioned at the surface of the core valve.
5. the method that the system described in a kind of utilization claim 1-4 is adjusted to damper piston pretightning force, it is characterised in that bag
Include following steps：
1）Measurement bar described in starting the Serve Motor Control is moved down, and compresses the core valve, the annular support on the core valve
Disk and then the compression core valve spring so that the adjusting screw produces gap with annular pallet, produces upward core valve spring
Predetermined pretension force value；
2）After the pressure sensor obtains the predetermined pretension force value, corresponding signal, the control are sent to the controller
Device sends instructions to the servomotor after receiving signal, controls the servomotor out of service, and the measurement bar stops
Move down, treat the measurement bar stabilization；
3）After measurement bar stabilization, start the Serve Motor Control described in swing arm move down, when the swing arm with it is described
After the flat recess clamping of adjusting screw, drive the adjusting screw in rotary moving downwardly together, adjust the predetermined pretension force value,
When the adjusting screw touches the annular pallet on the core valve, a force value for pushing is produced, now the measurement bar is passed
The described predetermined pretension force value for being delivered to the pressure sensor is presented the trend for reducing；
4）When the predetermined pretension force value reduces 2%, the pressure sensor sends controller, institute described in corresponding signal
State controller and send the control instruction that the servomotor stops operating, now the swing arm stops movement, after a period of time, opens
Move swing arm described in the Serve Motor Control and return original position with measurement bar；
5）The pretightning force regulation of the piston apparatus is completed, and takes out the piston apparatus, carries out the next group of pretension of piston apparatus
Power is adjusted, and is repeated the above steps.
6. method according to claim 5, it is characterised in that in step 4, the time is 2s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252164.9A CN106768555B (en) | 2016-12-30 | 2016-12-30 | High-speed bullet train shock absorber piston pretightening force adjusting system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252164.9A CN106768555B (en) | 2016-12-30 | 2016-12-30 | High-speed bullet train shock absorber piston pretightening force adjusting system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106768555A true CN106768555A (en) | 2017-05-31 |
| CN106768555B CN106768555B (en) | 2022-03-25 |
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ID=58928474
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611252164.9A Active CN106768555B (en) | 2016-12-30 | 2016-12-30 | High-speed bullet train shock absorber piston pretightening force adjusting system and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106768555B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843444A (en) * | 2017-10-26 | 2018-03-27 | 海门市铁路机车车辆配件厂有限公司 | Test the testing stand and its test method of oil-pressure damper being hit by a bullet property part performance |
| CN112984025A (en) * | 2019-12-12 | 2021-06-18 | 中车唐山机车车辆有限公司 | Damper assembly control method, damper assembly control device, and storage medium |
| CN112975857A (en) * | 2019-12-12 | 2021-06-18 | 中车唐山机车车辆有限公司 | Shock absorber piston valve installation method, device, system and storage medium |
| CN113063568A (en) * | 2019-12-12 | 2021-07-02 | 中车唐山机车车辆有限公司 | Piston valve damping detection method, terminal equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107843444A (en) * | 2017-10-26 | 2018-03-27 | 海门市铁路机车车辆配件厂有限公司 | Test the testing stand and its test method of oil-pressure damper being hit by a bullet property part performance |
| CN112984025A (en) * | 2019-12-12 | 2021-06-18 | 中车唐山机车车辆有限公司 | Damper assembly control method, damper assembly control device, and storage medium |
| CN112975857A (en) * | 2019-12-12 | 2021-06-18 | 中车唐山机车车辆有限公司 | Shock absorber piston valve installation method, device, system and storage medium |
| CN113063568A (en) * | 2019-12-12 | 2021-07-02 | 中车唐山机车车辆有限公司 | Piston valve damping detection method, terminal equipment and storage medium |
| CN113063568B (en) * | 2019-12-12 | 2022-07-26 | 中车唐山机车车辆有限公司 | Piston valve damping detection method, terminal device and storage medium |
| CN112984025B (en) * | 2019-12-12 | 2023-02-28 | 中车唐山机车车辆有限公司 | Damper assembly control method, damper assembly control device, and storage medium |
| CN112975857B (en) * | 2019-12-12 | 2023-03-21 | 中车唐山机车车辆有限公司 | Shock absorber piston valve installation method, device, system and storage medium |
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|---|---|
| CN106768555B (en) | 2022-03-25 |
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