CN204085905U - Tyre tester - Google Patents
Tyre tester Download PDFInfo
- Publication number
- CN204085905U CN204085905U CN201420475617.4U CN201420475617U CN204085905U CN 204085905 U CN204085905 U CN 204085905U CN 201420475617 U CN201420475617 U CN 201420475617U CN 204085905 U CN204085905 U CN 204085905U
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- China
- Prior art keywords
- brace table
- movable head
- leading screw
- telescoping mechanism
- sleeve
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Abstract
The utility model relates to vehicle tyre field tests, disclose a kind of tyre tester, it comprises frame, telescoping mechanism, movable head, driving clamping device and road surface simulation device, frame is vertically provided with brace table, movable head is located at the relative side of the supporting surface of brace table, drive clamping device to be installed on movable head inside, tire to be tested is installed on the end of movable head; Three telescoping mechanisms are circumferentially provided with between movable head and brace table, and the two ends of each telescoping mechanism are connected with movable head and brace table respectively, telescoping mechanism is provided with the device for measuring force for measuring its axial force and the first displacement detector for measuring its stroke.The utility model adopts three telescoping mechanisms can realize the side-to-side movement of tire, lateral deviation motion and roll motion, less parts just can carry out the test of mechanics of tire characteristic, and its structure is simple, compact, and motion control is simpler, be easy to operation, the integral rigidity of equipment is high.
Description
Technical field
The utility model relates to vehicle tyre field tests, particularly relates to a kind of tyre tester.
Background technology
Mechanics of tire characteristic has great importance and acts in automotive performance analysis and design process, uses tyre tester simulation tire operating mode, can measure the mechanics parameters of tire.
Early stage tire characteristics testing machine, its mode combined by control wheel fetal position state and control road surface attitude simulates tire operating mode, and uses six-component sensor to measure tire mechanics parameters.
At present, tyre tester has the Motor execution force measuring machine of employing six horizontal and vertical settings to simulate the operating mode of tire, each Motor execution force measuring machine includes start cylinder, be arranged on force snesor on start cylinder and displacement transducer and for the independent servomotor controlling start cylinder, inclination and the lateral deviation attitude of tire is regulated by these six Motor execution force measuring machines, estimate the change of tire attitude angle according to the length variations of each start cylinder, and calculate to obtain the six square phase on tire according to measured each start cylinder axial force numerical value.
Existing tyre tester does not need to control the operating mode that road surface attitude also can simulate tire, it simplifies the structure of testing machine to a certain extent, but the parts of this testing machine are more, structure is more complicated also, employing six Motor execution force measuring machines are needed to regulate tire, its motion control is more complicated, higher to the requirement of operating personnel, and equipment overall structure rigidity is lower.
Utility model content
(1) technical matters that will solve
The purpose of this utility model is to provide simple, the compact tyre tester of a kind of structure, to improve the rigidity of structure and the operability of tyre tester.
(2) technical scheme
In order to solve the problems of the technologies described above, a kind of tyre tester that the utility model provides, it comprises frame, telescoping mechanism, movable head, driving clamping device and road surface simulation device; Described frame is vertically provided with brace table; Described movable head is located at the relative side of the supporting surface of described brace table, and it is inner that described driving clamping device is installed on described movable head, and tire to be tested is installed on the end of described movable head; Be provided with three described telescoping mechanisms circumferentially between described movable head and brace table, and the two ends of each described telescoping mechanism are connected with described movable head and brace table respectively; Described telescoping mechanism is provided with the device for measuring force for measuring its axial force and the first displacement detector for measuring its stroke.
In above-mentioned a kind of tyre tester, three described telescoping mechanism circumferences are evenly arranged, and three described telescoping mechanisms are all to the centroclinal setting of described brace table, and form positive tripod structure.
In above-mentioned a kind of tyre tester, a telescoping mechanism in three described telescoping mechanisms is positioned at the top of other two telescoping mechanisms, and two telescoping mechanisms being positioned at below are symmetrically set in the both sides of the perpendicular at the telescoping mechanism place being positioned at top.
In above-mentioned a kind of tyre tester, described telescoping mechanism comprises telescopic branched chain and the first servomotor; Described telescopic branched chain comprises the first leading screw and sleeve, the one end open of described sleeve, and the other end is closed, and the blind end of described sleeve is connected with described movable head by universal coupling; One end of described first leading screw is fixedly connected with the rotating shaft of the first servomotor front end, and its other end inserts from the openend of described sleeve and is threaded connection with described sleeve; The rear end of described first servomotor is connected with brace table by revolute pair, and described device for measuring force is arranged between described sleeve and universal coupling, and described first displacement detector is arranged on the outside of described sleeve.
In above-mentioned a kind of tyre tester, described first leading screw is provided with external thread, and the openend of described sleeve is provided with the nut matched with described first leading screw, and described first leading screw is connected with described nut thread.
In above-mentioned a kind of tyre tester, described telescoping mechanism also comprises telescopic dirt-proof boot, and the outside of described telescopic branched chain is located at by described dirt-proof boot.
In above-mentioned a kind of tyre tester, described frame is also provided with elevating mechanism, described brace table is arranged on elevating mechanism, and described elevating mechanism drives described brace table to move up and down, and described brace table is provided with the second displacement detector for detecting brace table height position information.
In above-mentioned a kind of tyre tester, described elevating mechanism comprises slideway, the second leading screw and the second servomotor, described slideway is vertically located in described frame, described second leading screw is vertically located in described slideway, one end of described second leading screw is connected with the rotating shaft of the second servomotor, its other end is rotatably installed in frame, and described brace table is arranged on described slideway by slide block, and described second leading screw passes described slide block and is threaded with described slide block.
(3) beneficial effect
A kind of tire testing machine that technique scheme provides, adopt three telescoping mechanisms can realize the side-to-side movement of tire, lateral deviation motion and roll motion, the side drift angle of tire and side rake angle calculate by the stroke of telescoping mechanism, telescoping mechanism act on component on tire then by telescoping mechanism is installed device for measuring force measured by axial force calculate, parts less thus just can carry out the test of mechanics of tire characteristic, this testing machine structure is simple, compact, cost is lower, motion control is simpler, be easy to operation, these three telescoping mechanisms are connected between brace table and movable head, regulate during the attitude of tire and only need to act on movable head, make the integral rigidity of equipment high.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of the utility model tyre tester;
Fig. 2 is the front view of the utility model tyre tester;
Fig. 3 is the right view (not shown road surface simulation device) of the utility model tyre tester;
Fig. 4 is the cut-open view of the utility model telescoping mechanism.
Wherein, 1, frame; 11, brace table; 12, slideway; 13, the second leading screw; 14, the second servomotor; 15, slide block; 2, telescoping mechanism; 21, telescopic branched chain; 211, the first leading screw; 212, sleeve; 213, nut; 214, orienting sleeve; 22, the first servomotor; 23, universal coupling; 24, revolute pair; 25, dirt-proof boot; 3, movable head; 4, road surface simulation device; 5, tire.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As depicted in figs. 1 and 2, as a kind of tyre tester of the utility model preferred embodiment, it comprises frame 1, telescoping mechanism 2, movable head 3, drive clamping device and road surface simulation device 4, frame 1 is vertically provided with brace table 11, this brace table 11 can carry out elevating movement, movable head 3 is located at the relative side of the supporting surface of brace table 11, three telescoping mechanisms 2 are circumferentially provided with between movable head 3 and brace table 11, and the two ends of each telescoping mechanism 2 are connected with movable head 3 and brace table 11 respectively, telescoping mechanism is used for realizing tire about 5, the motion in inclination and lateral deviation direction, clamping device is driven to be arranged on the inside of movable head 3,5, tire to be tested is installed on the end of movable head 3, road surface simulation device 4 is located at the below driving clamping device, wherein, this road surface simulation device 4 is existing equipment, does not specifically describe its structure at this, and it can adopt flat, rotary drum or flat band type structure, this road surface simulation device 4, for the movement of simulated roadway, can drive the road surface on road surface simulation device to move when tire motion.In addition, telescoping mechanism 2 is also provided with device for measuring force and the first displacement detector, device for measuring force is for measuring the axial force of telescoping mechanism, and the first displacement detector is for detecting the stroke of telescoping mechanism.Wherein, the first displacement detector can adopt displacement transducer, and device for measuring force can adopt force snesor.
During test, tire 5 is installed in and drives on clamping device, adopt three telescoping mechanisms 2 can realize the side-to-side movement of tire, lateral deviation motion and roll motion, the attitude of tire is corresponding with the stroke of telescoping mechanism, the side drift angle of tire and side rake angle calculate by the stroke of telescoping mechanism, telescoping mechanism act on component on tire then by telescoping mechanism is installed device for measuring force measured by axial force calculate, this testing machine structure is simple, compact, be easy to operation, these three telescoping mechanisms are connected between brace table and movable head, regulate during the attitude of tire and only need to act on movable head, make the one-piece construction rigidity of equipment high.
Three telescoping mechanism 2 circumferences of the present embodiment are evenly arranged, the telescoping mechanism 2 that spacing is equal is carrying out the stroke being easy to regulate each telescoping mechanism in tire test process, and these three telescoping mechanisms 2 are all to the centroclinal setting of brace table 11, and form positive tripod structure, this positive tripod structure is one end that sectional area is larger near one end of brace table 11, thus, the region that telescoping mechanism 2 is formed with the tie point of movable head 3 can be reduced, and then reduce the size of movable head 3, avoid movable head to produce interference to tire motion, the accuracy of test can be improved.In addition, be located at other top of two for one in these three telescoping mechanisms 2, and two telescoping mechanisms being positioned at below are symmetrically set in the both sides of the perpendicular at the telescoping mechanism place being positioned at top, as shown in Figure 3, the line making the tie point of three telescoping mechanisms 2 and brace table 11 and movable head 3 is equilateral triangle, improve the dirigibility of telescoping mechanism to tire attitude regulation, the adjustment of convenient wheel fetal position state, and can calculate more simply these three telescoping mechanisms 2 and ground and and tire between angle, and then simplify calculation step.The size of movable head 3 is less than brace table 11, and the center line of movable head 3 and brace table 11 overlaps, and telescoping mechanism 2 is connected with the bight of brace table 11, can reduce material thus, and facilitates the location and installation of telescoping mechanism 2.
It is to be noted, the telescoping mechanism 2 of the present embodiment can be the structure that can realize arbitrarily stretching, cylinder can be adopted, the telescoping mechanisms such as start cylinder or lifting jack, in order to realize the automatic of stretching motion, accurately control, preferably, the telescoping mechanism 2 of the present embodiment comprises telescopic branched chain 21 and the first servomotor 22, as shown in Figure 2 and Figure 4, one end of telescopic branched chain 21 is connected with movable head 3 by universal coupling 23, its other end is then connected with the rotating shaft of the first servomotor 22 front end, first servomotor 22 drives telescopic branched chain 21 to carry out stretching motion, the rear end of this first servomotor 22 is connected with brace table 11 by revolute pair 24.
The telescopic branched chain 21 of telescoping mechanism 2 can adopt linear motion type or sped structure, when for such as linear motion type structure in the form of piston, need to set up reverse mechanism between telescopic branched chain 21 and the first servomotor 22, so that the rotational motion of motor is become rectilinear motion, to realize the stretching rectilinear motion of telescopic branched chain, in order to simplify the structure of whole telescoping mechanism, preferably, the telescopic branched chain 21 of the present embodiment is sped structure, as shown in Figure 4, it comprises the first leading screw 211 and sleeve 212, first displacement detector is arranged on the outside of sleeve 212, device for measuring force is then arranged between sleeve 212 and universal coupling 23, the one end open of this sleeve 212, the other end is closed, the blind end of sleeve 212 is connected with movable head 3 by universal coupling 23, one end of first leading screw 211 is fixedly connected with the rotating shaft of the first servomotor 22, its other end inserts from the openend of sleeve 212 and is connected with bush whorl, the rear end of the first servomotor 22 is connected with brace table 11 by revolute pair 24, the rotation of the first servomotor 22 can drive the first leading screw 211 to rotate, because the first leading screw 211 is threaded with sleeve 212, the rotation of the first leading screw 211 can relative to sleeve 212 precession or back-out, by the stroke of the fine-tuning telescopic branched chain of screw type stretching structure, and then can the attitude of fine adjustment tire.Particularly, the screw connection structure of the first leading screw 211 and sleeve 212 can be following several: the first leading screw arranges external thread, and in sleeve, be provided with the internal thread matched with this external thread, first servomotor drives the first screw turns, first leading screw rotate through screw-driven to sleeve, make the first leading screw relative to sleeve precession or back-out, or be, first leading screw 211 is provided with external thread, and the nut 213 matched with the first leading screw 211 is set at the openend of sleeve 212, this nut 213 is fixedly connected with sleeve 212 becomes an entirety, it has the internal thread matched with the external thread of the first leading screw 211, first leading screw 211 is threaded with nut 213, first leading screw 211 only has threaded connection relation in the position of nut, friction force when can reduce leading screw precession and screw out, and do not need at machining internal thread in sleeve, sleeve is made to be easy to processing, leading screw does not directly contact with sleeve, the wearing and tearing to sleeve under Long-Time Service can be avoided.
The telescopic branched chain 21 of the present embodiment also comprises orienting sleeve 214, one end of this orienting sleeve 214 is fixedly connected with the rotating shaft of the first servomotor 22, its other end opening, the inside of orienting sleeve 214 is located at by first leading screw 211, and sleeve 212 also inserts the inside of this orienting sleeve 214, orienting sleeve 214 can make sleeve 212 stretch along it, the motion of sleeve 212 is served to the effect of guiding, also can strengthen the structural strength of telescopic branched chain 21 simultaneously, avoid leading screw easily to be fractureed.
The telescoping mechanism of the present embodiment also comprises telescopic dirt-proof boot 25, the outside of telescopic branched chain is located at by this dirt-proof boot 25, this dust cover 215 enters in the first leading screw 211, sleeve 212, nut 213 and orienting sleeve 214 for preventing the foreign material such as dust, particle, avoids the motion of foreign material to telescopic branched chain to cause adverse effect.The corrugated tube that this dirt-proof boot 25 is preferably made up of rubber, be easy to processing and manufacturing, and cost is lower, it is pointed out that this dirt-proof boot can also be other Telescopic structure.
Adjustable relative to the upper-lower position on road surface in order to realize tire, the frame 1 of the present embodiment is also provided with elevating mechanism, brace table 11 is arranged on elevating mechanism, elevating mechanism drives brace table 11 to move up and down, and brace table 11 can drive the tire 5 be arranged on driving clamping device to move up and down, brace table 11 is also provided with the second displacement detector, and this second displacement detector can be displacement transducer, for detecting the height position information of brace table 11.
As shown in Figure 3, the elevating mechanism of the present embodiment comprises slideway 12, second leading screw 13 and the second servomotor 14, slideway 12 is vertically located in frame 11, second leading screw 13 is vertically located in slideway 12, one end of second leading screw 13 is connected with the rotating shaft of the second servomotor 14, its other end is installed in rotation in frame 12, the side that brace table 11 is contrary with telescoping mechanism 2 is provided with the slide block 15 matched with slideway 12, as shown in Figure 2, second leading screw 13 passes slide block 15 and is threaded with this slide block 15, second servomotor 14 can drive the second leading screw 13 to rotate, second leading screw 13 is threaded with slide block 15, brace table 11 can be moved up and down along the second leading screw 13 and slideway 12, and then drive tire to move up and down, adopt the mode of leading screw worm drive, can the height of fine adjustment tire.It is pointed out that the structure that the elevating mechanism of the present embodiment can also be elevated arbitrarily for other, to realize brace table lifting, above-mentioned structure Just One Of Those Things kind optimal way.
It is pointed out that driving clamping device in the present embodiment and movable head are existing equipment, do not repeat them here, it is for realizing braking and the drived control of tire.
The tyre tester of the present embodiment, before the test, be first arranged on by tire and drive on clamping device, its concrete process of the test is:
First drive brace table to make tire relative to the upper and lower motion on road surface by elevating mechanism, detect the height position information of tire by the second displacement detector be arranged on brace table and pass to computing machine simultaneously, computing machine controls the second servomotor action according to measured height position information, tire to be adjusted to the height of specifying; And realize the left and right motion of tire by extending or shrink three telescoping mechanisms simultaneously, to make tire motion to the position of specifying;
Analog wheel tire rolling condition: the telescoping mechanism being positioned at upper and lower is carried out the inclination that rightabout motion can realize tire respectively, now, can calculate the side rake angle of tire by stroke measured by the first displacement detector be arranged on telescoping mechanism, and the axial force measured by the device for measuring force be arranged on telescoping mechanism calculates the component of telescoping mechanism to tire;
Simulation Wheel slip state: one of them telescoping mechanism being positioned at below is extended, the telescoping mechanism another being positioned at below shrinks, correspondingly extend simultaneously or shrink the telescoping mechanism being positioned at top, the lateral deviation of tire can be realized thus, now, can calculate the side drift angle of tire by stroke measured by the first displacement detector be arranged on telescoping mechanism, and the axial force measured by the device for measuring force be arranged on telescoping mechanism calculates the component of telescoping mechanism to tire.
In addition, the condition test that can also be inclined in above-mentioned analog wheel sidewall combines with simulation Wheel slip condition test, to realize the adjustment of tire compound motion attitude.
To sum up, tire testing machine of the present utility model, only need three telescoping mechanisms can realize the side-to-side movement of tire, lateral deviation motion and roll motion, less parts just can carry out the test of mechanics of tire characteristic, its structure is simple, compact, and cost is lower, and motion control is simpler, be easy to operation, the integral rigidity of equipment is high.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and replacement, these improve and replace and also should be considered as protection domain of the present utility model.
Claims (8)
1. a tyre tester, is characterized in that, comprises frame, telescoping mechanism, movable head, driving clamping device and road surface simulation device;
Described frame is vertically provided with brace table;
Described movable head is located at the relative side of the supporting surface of described brace table, and it is inner that described driving clamping device is installed on described movable head, and tire to be tested is installed on the end of described movable head;
Be provided with three described telescoping mechanisms circumferentially between described movable head and brace table, and the two ends of each described telescoping mechanism are connected with described movable head and brace table respectively; Described telescoping mechanism is provided with the device for measuring force for measuring its axial force and the first displacement detector for measuring its stroke.
2. tyre tester as claimed in claim 1, it is characterized in that, three described telescoping mechanism circumferences are evenly arranged, and three described telescoping mechanisms are all to the centroclinal setting of described brace table, and form positive tripod structure.
3. tyre tester as claimed in claim 2, it is characterized in that, a telescoping mechanism in three described telescoping mechanisms is positioned at the top of other two telescoping mechanisms, and two telescoping mechanisms being positioned at below are symmetrically set in the both sides of the perpendicular at the telescoping mechanism place being positioned at top.
4. the tyre tester as described in any one of claim 1-3, is characterized in that, described telescoping mechanism comprises telescopic branched chain and the first servomotor;
Described telescopic branched chain comprises the first leading screw and sleeve, the one end open of described sleeve, and the other end is closed, and the blind end of described sleeve is connected with described movable head by universal coupling; One end of described first leading screw is fixedly connected with the rotating shaft of the first servomotor front end, and its other end inserts from the openend of described sleeve and is threaded connection with described sleeve;
The rear end of described first servomotor is connected with brace table by revolute pair, and described device for measuring force is arranged between described sleeve and universal coupling, and described first displacement detector is arranged on the outside of described sleeve.
5. tyre tester as claimed in claim 4, it is characterized in that, described first leading screw is provided with external thread, and the openend of described sleeve is provided with the nut matched with described first leading screw, and described first leading screw is connected with described nut thread.
6. tyre tester as claimed in claim 4, it is characterized in that, described telescoping mechanism also comprises telescopic dirt-proof boot, and the outside of described telescopic branched chain is located at by described dirt-proof boot.
7. the tyre tester as described in any one of claim 1-3, it is characterized in that, described frame is also provided with elevating mechanism, described brace table is arranged on elevating mechanism, described elevating mechanism drives described brace table to move up and down, and described brace table is provided with the second displacement detector for detecting brace table height position information.
8. tyre tester as claimed in claim 7, it is characterized in that, described elevating mechanism comprises slideway, the second leading screw and the second servomotor, described slideway is vertically located in described frame, described second leading screw is vertically located in described slideway, and one end of described second leading screw is connected with the rotating shaft of the second servomotor, and its other end is rotatably installed in frame, described brace table is arranged on described slideway by slide block, and described second leading screw passes described slide block and is threaded with described slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475617.4U CN204085905U (en) | 2014-08-21 | 2014-08-21 | Tyre tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475617.4U CN204085905U (en) | 2014-08-21 | 2014-08-21 | Tyre tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204085905U true CN204085905U (en) | 2015-01-07 |
Family
ID=52178607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420475617.4U Withdrawn - After Issue CN204085905U (en) | 2014-08-21 | 2014-08-21 | Tyre tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204085905U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388027A (en) * | 2015-10-10 | 2016-03-09 | 清华大学 | Tire test device |
| CN105445042A (en) * | 2014-08-21 | 2016-03-30 | 广州汽车集团股份有限公司 | Tire tester |
-
2014
- 2014-08-21 CN CN201420475617.4U patent/CN204085905U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445042A (en) * | 2014-08-21 | 2016-03-30 | 广州汽车集团股份有限公司 | Tire tester |
| CN105445042B (en) * | 2014-08-21 | 2018-01-19 | 广州汽车集团股份有限公司 | Tyre tester |
| CN105388027A (en) * | 2015-10-10 | 2016-03-09 | 清华大学 | Tire test device |
| CN105388027B (en) * | 2015-10-10 | 2018-07-31 | 清华大学 | Tyre testing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20180119 |
|
| AV01 | Patent right actively abandoned |