CN205679403U - Shock absorber static friction force test device in high precision - Google Patents
Shock absorber static friction force test device in high precision Download PDFInfo
- Publication number
- CN205679403U CN205679403U CN201620506958.2U CN201620506958U CN205679403U CN 205679403 U CN205679403 U CN 205679403U CN 201620506958 U CN201620506958 U CN 201620506958U CN 205679403 U CN205679403 U CN 205679403U
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- shock absorber
- moving beam
- static friction
- test device
- friction force
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Abstract
The utility model discloses a kind of high accuracy shock absorber static friction force test device, this test device includes frame, the axis of guide in fixed frame two opposite side walls respectively, it is arranged on the moving beam between two axis of guides, it is arranged on the static load load maintainer above moving beam, it is arranged on the shock absorber of the lower section of moving beam, be arranged on the angle regulator of the bottom of shock absorber, and be arranged on the side force load maintainer of the sidepiece of shock absorber；Being fixed on crossbeam by fixture of the upper end of shock absorber；The two ends of moving beam are fixed on the axis of guide by a guide bearing respectively；The top of the axis of guide is provided with the displacement transducer being connected with moving beam；Displacement transducer and the first force snesor are respectively connecting to capture card.This static friction force test device can measure static friction under different setting angles, different side force load for the shock absorber, and its certainty of measurement is high, good stability.
Description
Technical field
The utility model relates to a kind of high accuracy shock absorber static friction force test device.
Background technology
Shock absorber, primarily to accelerate the decay of vehicle frame and body vibrations, improves ride of vehicle.Friction exists
Mechanical system is seen everywhere, and the major part that rubs is all harmful.In shock absorber, frictional force can cause its hydraulic performance decline, with
When reduce service life of shock absorber greatly, thus affect the suspension matching system performance of automobile.And in the market, for subtracting
The experimental rig of device static friction of shaking test, for the experimental rig of shock absorber static friction test, on the one hand due to nothing
Method reaches a very low loading velocity, and can be affected by resistance of shock absorber during causing measurement, on the other hand due to
Its loading is not sufficiently stable, and is affected by frictional force and pulsation phenomenon occurs, and this phenomenon is direct in low speed loading procedure
Have impact on the stability of test, so that affect control and the certainty of measurement of whole system, thus cause measuring accurately
Its static friction.
Utility model content
The purpose of this utility model is to provide a kind of high accuracy shock absorber static friction force test device, and it has extremely low
Loading velocity, and charger is stable, can measure static state under different setting angles, different side force loading for the shock absorber and rub
Wiping power.
For solving above-mentioned technical problem, the present invention provides a kind of shock absorber static friction force test device, including frame, point
The axis of guide in other fixed frame two opposite side walls, is arranged on the moving beam between two axis of guides, is arranged on moving beam
The static load load maintainer of top, is arranged on the shock absorber of the lower section of moving beam, is arranged on the angle of the bottom of shock absorber
Degree adjusting means, and it is arranged on the side force load maintainer of the sidepiece of shock absorber；The upper end of shock absorber is fixed by fixture
On crossbeam；The two ends of moving beam are fixed on the axis of guide by a guide bearing respectively；The top of the axis of guide be provided with
The displacement transducer that moving beam connects；Displacement transducer and the first force snesor are respectively connecting to capture card.
Further, angle regulator includes the dial of a bottom being arranged on frame by rotating shaft, is arranged on
Stopping means on dial, and it is arranged on one end of rotating shaft and the angular transducer being electrically connected with capture card；Dial
It is provided with the hanger that the bottom with shock absorber is connected.
Further, stopping means includes the curved locating slot being arranged on dial, is provided with one in locating slot
For limiting the locating part of dial rotation.
Further, static load load maintainer includes the first stepping electricity being connected with driver being arranged on frame top
Machine, and it is vertically set on the first ball-screw of the lower section of the first stepper motor；The top of the first ball-screw passes through first
The motor shaft of shaft coupling and the first stepper motor connects, and the bottom of the first ball-screw is provided with first being electrically connected with capture card
Force snesor, the first force snesor is arranged on the top of moving beam.
Further, side force load maintainer includes the second stepper motor being secured transverse in frame, and laterally sets
The second ball-screw put；The second shaft coupling is passed through in one end of second ball-screw and the motor shaft of the second stepper motor connects,
The other end is provided with the second force snesor being electrically connected with capture card；Second force snesor is arranged on the sidepiece of shock absorber.
Further, side force load maintainer includes the cam being fixed in frame, the handle being arranged on cam, and
It is arranged on the 3rd force snesor of one end of cam；And the 3rd force snesor be arranged on the sidepiece of shock absorber.
The beneficial effects of the utility model are:
1st, the application applies static load by static load load maintainer to shock absorber, by being arranged on the upper of shock absorber
The setting angle of the angle regulator regulation shock absorber at lower two ends, by arranging side force load maintainer at the sidepiece of shock absorber
Different size of side force is applied to shock absorber, by the power under the different setting angle of capture card collection, different side force and position
The variation relation moving, in order to measure the static friction in actual motion under different operating modes for the shock absorber, improve survey
Accuracy of measurement.
2nd, the application applies static load by ball-screw to shock absorber, by the work of stepper motor regulation ball-screw
Make feed speed, to eliminate the pulsation phenomenon being affected by frictional force in low speed loading procedure and occurring as far as possible, enter
One step reaches to improve certainty of measurement, and ensure that the purpose of the stability of measurement.
3rd, the application low cost, compact conformation, arranged by electromechanical integration and process of the test is more easily manipulated.
Brief description
Fig. 1 is the structural representation of one embodiment of the utility model；
Fig. 2 is the structural representation of the angle regulator of one embodiment of the utility model；
Fig. 3 is the structural representation of the side force load maintainer of one embodiment of the utility model；
Fig. 4 is the structural representation of the side force load maintainer of another embodiment of the utility model.
Wherein: the 1st, the first stepper motor；2nd, the first shaft coupling；3rd, driver；4th, frame；5th, the first ball-screw；6th, position
Displacement sensor；7th, installing plate；8th, the axis of guide；9th, the first force snesor；10th, guide bearing；11st, moving beam；12nd, shock absorber；
13rd, fixture；14th, angle regulator；15th, capture card；16th, side force load maintainer；17th, hanger；18th, dial；181st, turn
Axle；19th, locating slot；20th, locating part；21st, angular transducer；22nd, the second stepper motor；23rd, the second shaft coupling；24th, the second rolling
Ballscrew；25th, the second force snesor；26th, handle；27th, cam；28th, the 3rd force snesor.
Detailed description of the invention
Below detailed description of the invention of the present utility model is described, in order to those skilled in the art understand
The utility model, the common skill it should be apparent that the utility model is not limited to the scope of detailed description of the invention, to the art
From the point of view of art personnel, as long as various change limits and in the spirit and scope of the present utility model of determination in appended claim,
These changes are apparent from, and all utilize the innovation and creation that the utility model conceives all at the row of protection.
High accuracy shock absorber static friction force test device as shown in Figure 1, including frame 4, solid respectively by installing plate 7
Determine the axis of guide 8 in frame 4 two opposite side walls, the moving beam 11 being arranged between two axis of guides 8, it is arranged on moving beam
The shock absorber 12 of the lower section of 11, is arranged on the angle regulator 14 of the bottom of shock absorber 12, is arranged on the side of shock absorber 12
The side force load maintainer 16 in portion, and it is arranged on the static load load maintainer above moving beam 11.Wherein, moving beam
The two ends of 11 are fixed on the axis of guide 8 by a guide bearing 10 respectively；The top of the axis of guide 8 is provided with moving beam 11 even
Connect the displacement transducer 6 of moving displacement for measuring moving beam 11；Displacement transducer 6 and the first force snesor 9 connect respectively
It is connected to capture card 15.Separately below each assembly is described in detail:
Above-mentioned static load load maintainer includes the first stepper motor being connected with driver 3 being arranged on frame 4 top
1, and it is vertically set on the first ball-screw 5 of the lower section of the first stepper motor 1.The top of the first ball-screw 5 is by the
One shaft coupling 2 is connected with the motor shaft of the first stepper motor 1, and the bottom of the first ball-screw 5 is provided with the first force snesor 9, the
One force snesor 9 is arranged on the top of moving beam 11, and the first force snesor 9 is electrically connected with capture card 15.First stepping
Motor 1 utilizes the first shaft coupling 2 to be connected with the first ball-screw 5, thus applies quiet by the first ball-screw 5 to shock absorber 12
State load, the work feed speed (i.e. applying the speed of static load) of the first ball-screw 5 is 0.0001m/s, with as far as possible
Elimination affected by frictional force in low speed loading procedure and the pulsation phenomenon that occurs.During detection, by the first power
Sensor 9 obtains the frictional force signal of shock absorber 12, is obtained the displacement signal of shock absorber 12 by displacement transducer 6.
As in figure 2 it is shown, above-mentioned angle regulator 14 includes the quarter of a bottom being arranged on frame 4 by rotating shaft 181
Scale 18, is arranged on the stopping means on dial 18, and is arranged on one end of rotating shaft 181 and is electrically connected with capture card
Angular transducer 21.Wherein, stopping means includes the curved locating slot 19 being arranged on dial 18, sets in locating slot 19
There is one for limiting the locating part 20 that dial 18 rotates.Dial 18 is provided with and is connected with the bottom of shock absorber 12
Hanger 17, the upper end of shock absorber 12 is fixed on described moving beam 11 by a fixture 13 (such as U-shaped frame, mechanical grip arm etc.)
Lower section.Installation process is obtained by angular transducer 21 setting angle of shock absorber 12, in order to measurement shock absorber 12 exists
Static friction under different setting angles.
An embodiment according to the application, as it is shown on figure 3, above-mentioned side force load maintainer 16 includes being secured transverse to machine
The second stepper motor 22 in frame 4, and the second ball-screw 24 of horizontally set.One end of second ball-screw 24 is by the
Two shaft couplings 23 are connected with the motor shaft of the second stepper motor 22, and the other end is connected with the second force snesor 25.Second power sensing
Device 25 is arranged on the sidepiece of shock absorber 12, and the second force snesor 25 is electrically connected with above-mentioned capture card 15.During measurement,
Feed speed can be provided by the second stepper motor 22 for the second ball-screw 24, apply side force to shock absorber 12, simultaneously profit
Obtain the lateral force signal of shock absorber 12 with the second force snesor 25.
According to another embodiment of the application, as shown in Figure 4, side force load maintainer 16 includes side force load maintainer
Including the cam 27 being fixed in frame, the handle 26 being arranged on cam 27, and be arranged on cam 27 one end the 3rd
Force snesor 28；And the 3rd force snesor 28 be arranged on the sidepiece of shock absorber 12.During measurement, can manually control hand
Handle 26 carries moving cam 29 to rotate, and push-pull effort when being rotated by cam 29 producing the 3rd force snesor 28 is realized at shock absorber 12
Apply side force, utilize the 3rd force snesor 28 to obtain the lateral force signal of shock absorber 12, this side force load maintainer simultaneously
Have simple to operate, and the feature of low cost.
To sum up, the application applies static load by static load load maintainer to shock absorber 12, by being arranged on vibration damping
The two ends up and down of device 12 arrange the setting angle that angle regulator 14 regulates shock absorber 12, by setting at the sidepiece of shock absorber 12
Put side force load maintainer 16 and different size of side force is applied to shock absorber 12, gather different established angle by capture card 15
Power under degree, different side force and the variation relation of displacement, in order to measure actual fortune under different operating modes for the shock absorber 12
Static friction in Dong, improves certainty of measurement.Further, the application low cost, compact conformation, arranged by electromechanical integration
Process of the test is more easily manipulated.
Claims (6)
1. a high accuracy shock absorber static friction force test device, it is characterised in that include frame, respectively fixed frame two-phase
It to the axis of guide on sidewall, is arranged on the moving beam between two described axis of guides, be arranged on above described moving beam
Static load load maintainer, is arranged on the shock absorber of the lower section of described moving beam, is arranged on the bottom of described shock absorber
Angle regulator, and it is arranged on the side force load maintainer of the sidepiece of described shock absorber；The upper end of described shock absorber leads to
Cross fixture to be fixed on described crossbeam；The two ends of described moving beam are fixed on the described axis of guide by a guide bearing respectively
On；The top of the described axis of guide is provided with the displacement transducer being connected with described moving beam；Institute's displacement sensors and the first power
Sensor is respectively connecting to capture card.
2. high accuracy shock absorber static friction force test device according to claim 1, it is characterised in that described angle is adjusted
Regulating device includes the dial of a bottom being arranged on described frame by rotating shaft, the stopping means being arranged on dial,
And it is arranged on one end of described rotating shaft and the angular transducer being electrically connected with described capture card；Dial be provided with described
The hanger that the bottom of shock absorber is connected.
3. high accuracy shock absorber static friction force test device according to claim 2, it is characterised in that described spacing dress
Put the curved locating slot including being arranged on described dial, be provided with one in described locating slot for limiting described scale
The locating part that dish rotates.
4. high accuracy shock absorber static friction force test device according to claim 1, it is characterised in that described static state is born
Lotus load maintainer includes the first stepper motor being connected with driver being arranged on described frame top, and is vertically set on institute
State the first ball-screw of the lower section of the first stepper motor；The top of described first ball-screw by the first shaft coupling with described
The motor shaft of the first stepper motor connects, and the bottom of the first ball-screw is provided with the first power being electrically connected with described capture card and passes
Sensor, described first force snesor is arranged on the top of described moving beam.
5. according to claim the 1st, 2 or 4 arbitrary described in high accuracy shock absorber static friction force test device, it is characterised in that
Described side force load maintainer includes the second stepper motor being secured transverse in described frame, and the second rolling of horizontally set
Ballscrew；One end of described second ball-screw passes through the second shaft coupling and the motor shaft of the second stepper motor connects, the other end
It is provided with the second force snesor being electrically connected with described capture card；Described second force snesor is arranged on the side of described shock absorber
Portion.
6. according to claim the 1st, 2 or 4 arbitrary described in high accuracy shock absorber static friction force test device, it is characterised in that
Side force load maintainer includes the cam being fixed in described frame, is arranged on the handle on described cam, and is arranged on institute
State the 3rd force snesor of one end of cam；And described 3rd force snesor is arranged on the sidepiece of described shock absorber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620506958.2U CN205679403U (en) | 2016-05-30 | 2016-05-30 | Shock absorber static friction force test device in high precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620506958.2U CN205679403U (en) | 2016-05-30 | 2016-05-30 | Shock absorber static friction force test device in high precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205679403U true CN205679403U (en) | 2016-11-09 |
Family
ID=57436388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620506958.2U Expired - Fee Related CN205679403U (en) | 2016-05-30 | 2016-05-30 | Shock absorber static friction force test device in high precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205679403U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987819A (en) * | 2016-05-30 | 2016-10-05 | 西华大学 | Shock absorber static friction force test device and shock absorber static friction force test method |
| CN107036802A (en) * | 2017-06-09 | 2017-08-11 | 北京强度环境研究所 | A kind of shock absorber overloading-vibrating environment pilot system and test method |
-
2016
- 2016-05-30 CN CN201620506958.2U patent/CN205679403U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987819A (en) * | 2016-05-30 | 2016-10-05 | 西华大学 | Shock absorber static friction force test device and shock absorber static friction force test method |
| CN107036802A (en) * | 2017-06-09 | 2017-08-11 | 北京强度环境研究所 | A kind of shock absorber overloading-vibrating environment pilot system and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20180530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |