CN201780245U - Tire endurance sliding angle detection device - Google Patents
Tire endurance sliding angle detection device Download PDFInfo
- Publication number
- CN201780245U CN201780245U CN2010205392919U CN201020539291U CN201780245U CN 201780245 U CN201780245 U CN 201780245U CN 2010205392919 U CN2010205392919 U CN 2010205392919U CN 201020539291 U CN201020539291 U CN 201020539291U CN 201780245 U CN201780245 U CN 201780245U
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- tire
- sliding angle
- rotation support
- rotary drum
- seat
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Abstract
The utility model relates to a tire endurance sliding angle detection device, which is additionally arranged to detect simulated sliding angle friction between a tire and a road surface according to vehicle steering, nonlinear driving or other road conditions. The device comprises a frame, wherein a rotating drum is arranged on the frame and driven by a motor to simulate the road surface on which a vehicle travels; a hydraulic pressurizing device is at least arranged in a station on one side of the rotating drum; a movable seat is supported on the base through a linear slide rail at the bottom of the movable seat; the rear end of the movable seat is connected with a hydraulic oil cylinder through a force cell, and the hydraulic oil cylinder is used for supplying a pushing force to press a tire to be detected on the surface of the rotating drum; a swinging bracket is arranged at the front part of the movable seat, and a rim fixing shaft for the mounting of the tire to be detected is arranged at the front end of the swinging bracket; one end of a swinging shaft fixedly penetrates the swinging bracket, and the other end of the swinging shaft penetrates the movable seat in an axially rotating manner; and a sliding angle driving hydraulic cylinder is arranged on one side of the swinging bracket, and used for driving the tire to be detected through the swinging bracket to rotate at a certain angle along the radial tangent line.
Description
Technical field
The utility model relates to a kind of device that is used for the experiment of rubber tyre high speed/endurance quality, pick-up unit and process under the Frotteurism of sliding angle are provided between tire and the road surface when providing simulating vehicle to turn especially, belong to rubber manufacturing machinery and automated production control field.
Background technology
Along with the raising and the urban transportation of domestic automobile popularity rate are blocked up day by day, stability of running at high speed and security have become the core reference data of weighing the tire design and the quality of production.For detecting the security of tire under high speed or long-term user mode exactly, need in production link, carry out high speed/endurance quality project usually and detect.
Based on constantly bringing forth new ideas of present manufacturing technology, the tire high speed/durability experiment machine that domestic and international tire production producer is adopted mainly is to adopt rotary drum to drive tire high speed, the long-time rotation.Promptly with the road surface of the surface simulation activity of rotary drum, under the experiment condition and environment of regulation, with substitute the bad for the good gas and place a period of time after tire be fixed on the axletree, tire is pressed on the drum surface with the load of setting from its rear portion servo apply hydraulic pressure loading system, with the high-speed durability of testing tire.Wherein, hydraulic servo loading system adopts force cell, and may command and regulating applies pressure to the tire pressure value of drum surface to realize the load closed-loop control.
The existing tire high speed/durability experiment machine that uses, its rotary drum is level and smooth, clear and be the dead axle rotation, tire is installed and tangent no relative inclination of drum surface and torque, therefore only can simulate the endurance quality of tire straight-line travelling under the state of smooth-riding surface, and the actual conditions during vehicle ' is nonstandard, undesirable road conditions such as turn inside diameter, non-rectilinear travel, therefore the Performance Detection that lacks the actual road of above-mentioned major part shape is not pointed, detect data and can not reflect the actual user demand of tire truly, be unfavorable for feedback and improve the tire production quality.
The utility model content
The sliding angle detecting device of tyre last described in the utility model, be to solve the problem of above-mentioned prior art existence and slide angle detecting device, with tracking detection means and the technology under turning of realization simulating vehicle or the non-rectilinear transport condition in tire high speed/durability experiment machine increase at present.
Road conditions such as purpose of design of the present utility model is, main simulating vehicle is turned or non-rectilinear travels increase tire and road surface high speed/endurance quality detection method under the Frotteurism of angle take place to slide.
Another purpose of design is that at the driving conditions under the Frotteurism of the sliding angle of tire, control is also regulated and slided the direction and concrete angle that the angle friction takes place, and simulates the testing conditions under the multiple ultimate limit state, with further raising and optimization accuracy of detection.
Purpose of design also is, realizes sliding load, the angle control dirigibility that the horn shape attitude detects, and reaches the closed-loop control and raising automatization level of the sliding angle of dynamic adjustment each parameter of Frotteurism.
For realizing above-mentioned purpose of design, the sliding angle detecting device of described tyre last mainly includes:
One frame,
Frame is provided with one by the rotary drum of direct motor drive with dead axle rotation, simulation track,
At least the side station at rotary drum is provided with hydraulic pulldown,
Hydraulic pulldown is provided with pedestal, and one moves seat is carried on the pedestal by the line slide rail that is arranged at its bottom,
Move the rear end of seat, connecting by force cell provides expulsive force detected tire is pressed in the hydraulic jack of drum surface.
The difference with the prior art part is that the front portion of moving seat is provided with a rotation support, and the front end of rotation support is provided with the wheel rim stationary shaft that is used to install detected tire;
One end of swing shaft is set in the rotation support regularly, and its other end axially is set in rotatably and moves seat;
Side at the rotation support is provided with, and is used for driving hydraulic cylinder by the detected tire of rotation carriage drive around the sliding angle that the radially tangent line that contacts with rotary drum rotates to an angle.
As above-mentioned basic scheme, rotary drum provides the simulation track by direct motor drive, constitutes basis loading, power system at tire in rotary drum one side setting by moving seat and hydraulic pulldown.
Detected tire (comprising the wheel rim assembly) is fixed in the wheel rim stationary shaft, moves a hydraulic jack by the rear end and promotes to reciprocatingly slide on pedestal, thereby detected tire can be applied pressure to drum surface or disengaging detected state.
Force cell in the hydraulic pulldown, be used for converting the pressure load that tire puts on drum surface to electric signal and send into control system, through amplify and relatively after control hydraulic fluid pressure in the hydraulic jack by servomechanism installation, dynamically to adjust loading of tire and to realize closed-loop control, the rotating speed of detected tire can be regulated by the rotating speed of regulating rotary drum during this period.
At turn inside diameter or non-rectilinear actual conditions such as travel, increased the detection architecture under the Frotteurism of tire and the road surface sliding angle of generation, to be the rotation support at sliding angle drive under the promotion of hydraulic cylinder around swing shaft clockwise or be rotated counterclockwise certain angle, to drive detected radial cut string pendulum phase inversion angle together of taking turns the tyre bead drum surface, realize the high speed/endurance quality of simulation tire under sliding horn shape attitude.
The adjustment of above-mentioned tire sliding pendulum gyration, the stroke that can stretch out by the piston rod of setting and control sliding angle driving hydraulic cylinder or withdraw is realized.Send the dynamic closed loop adjustment modes that instruction-tire enters the sliding angular region of sliding angle Frotteurism-control for the accuracy and the formation that further improve the sliding pendulum gyration, can take following improvement project:
First gear is installed on the rotation support, and the first gearing mesh adapter sleeve is located at second gear on the turning axle, and the end connection one of turning axle is used to detect the rotary encoder of the rotation support anglec of rotation.
More the innovative approach of You Huaing is, rotary encoder is installed on and moves seat, and rotary encoder is connected in turning axle by a shaft coupling, is arranged with bearing in the turning axle outside.
When rotation supporting band driving wheel tire when the friction of sliding angle takes place in drum surface, the rotation support with move the formation dislocation angle identical between the seat with tire sliding pendulum gyration.At this moment, first gear rotates and rotates with identical angle by the second gear driven turning axle, the rotary encoder of turning axle end receives consequent induced signal, gives birth to direction, the angle value that sliding angle rubs thereby feed back and quantize soft fetal hair, carries out dynamic tracking and feedback simultaneously.
Move seat by rotary encoder is installed on, can set up the angle detection coordinates system between rotation support and the mobile seat, help the accuracy that guarantees that the anglec of rotation detects.
Be arranged with bearing in the turning axle outside, can improve the angular detection distortion rate that turning axle brings because of the phase mutual friction corresponding to the flexibility of revolution that moves seat, minimizing.
For realizing that further the rotation support centers on the flexibility of revolution of swing shaft, reduces the error of sliding friction for the rotation angular detection, an end of described swing shaft connects the rotation support by key, and its other end is located at by the sub-bearing holder (housing, cover) of circular cone and is moved a seat inner chamber.
Prioritization scheme at the drive end structure of rotation support rotation is, the piston rod that sliding angle drives hydraulic cylinder is installed on pedestal by support, and its cylinder body connects the rotation support by bearing.
The piston rod that sliding angle drives hydraulic cylinder is fixed in pedestal one side, when the piston rod of sliding angle driving hydraulic cylinder stretches out or withdraws, because the far-end of rotation support is arranged with swing shaft, the near-end of therefore contiguous bearing drives by smooth pin by the cylinder body of sliding angle driving hydraulic cylinder or is rotated counterclockwise.
Content to sum up, the sliding angle detecting device of the utility model tyre last has following advantage:
1, realized the tracking detection method of road conditions such as simulating vehicle is turned or non-rectilinear travels, the check of the tire design and the quality of production is more comprehensive.
2, can solve effectively in the tire running process Frotteurism high speed/endurance quality detection down in sliding angle takes place, help improving tire and tackle safe handling under different road conditions, the user mode.
3, control and regulate the direction and concrete angle that the friction of sliding angle takes place exactly, experiment condition simulation ground is more true and targeted, and closed-loop control and automatization level are higher.
Description of drawings
Now in conjunction with the accompanying drawings the utility model is described further
Fig. 1 is the structural representation of the sliding angle detecting device of described tyre last;
Fig. 2 is bowing to synoptic diagram of Fig. 1;
Fig. 3 is the structural representation of test section, described sliding angle;
Fig. 4 is bowing to synoptic diagram of Fig. 3;
Fig. 5 is the side schematic view of Fig. 3;
Fig. 6 is the I portion enlarged diagram among Fig. 3;
Fig. 7 is the contrast synoptic diagram under three kinds of states between tire and the rotary drum;
Extremely shown in Figure 7 as Fig. 1, rotary drum 1, hydraulic pulldown 2, pedestal 3, line slide rail 4 moves seat 5, wheel rim stationary shaft 6, hydraulic jack 7, force cell 8,
Embodiment
One frame 10;
Be respectively arranged with hydraulic pulldown 2 and move basic the loading and power system of tire that seat 5 constitutes at the both sides of rotary drum 1 station.
Be positioned at a side station of rotary drum 1, the rear end of moving seat 5 connects by force cell 8 provides expulsive force detected tire 12 is pressed in the hydraulic jack 7 on rotary drum 1 surface.
The front portion of moving seat 5 is provided with a rotation support 31, and the front end of rotation support 31 is provided with the wheel rim stationary shaft 6 that is used to install detected tire 12.
Side at rotation support 31 is provided with, and is used for driving detected tire 12 by rotation support 31 and drives hydraulic cylinder 33 around the sliding angle that the radially tangent line that contacts with rotary drum 1 rotates to an angle.
The piston rod that sliding angle drives hydraulic cylinder 33 is installed on pedestal 3 by support 42, and its cylinder body connects rotation support 31 by bearing 43.
One end of swing shaft 32 connects rotation support 31 by key 40, and its other end is sheathed on by the sub-bearing 41 of circular cone and moves seat 5 inner chambers.
Be connected with a joggle and be sheathed on second gear 35 on the turning axle 36 in that first gear, 34, the first gears 34 are installed on the rotation support 31, the end of turning axle 36 connects a rotary encoder 37 that is used to detect rotation support 31 anglecs of rotation.
Rotary encoder 37 is installed on and moves seat 5, and rotary encoder 37 is connected in turning axle 36 by shaft coupling 38, is arranged with bearing 39 in turning axle 36 outsides.
When experimentizing, rotary drum 1 drives by motor 11 the simulation track is provided, the detected tire 12 of both sides station is installed on wheel rim stationary shaft 6 respectively, move 5 a hydraulic jack 7 and promote above pedestal 3, to reciprocatingly slide, thereby detected tire 12 can be applied pressure to rotary drum 1 surface or disengaging detected state by the rear end.
At the station of inspection yaw angle Frotteurism, detected tire 12 changes certain angle around the radial cut string pendulum that contacts with rotary drum 1, with the endurance quality under detected tire 12 of analog detection Ackermann steer angle and the sliding angle of generation, the road surface Frotteurism.
Particularly, rotation support 31 drives at sliding angle under the promotion of hydraulic cylinder 33 around swing shaft 32 clockwise or be rotated counterclockwise, and changes certain angle to drive detected tire 12 along the radial cut string pendulum on rotary drum 1 surface.
When rotation support 31 drives tire 12 along the friction of the sliding angle of rotary drum 1 surface generation, form between rotation support 31 and the mobile seat 5 and tire 12 sliding angle swing phase inversions dislocation angle together, promptly be directly reflected on the rotary encoder 37, the friction of sliding angle takes place soft tire 12 direction, angle value dynamically can be followed the tracks of and fed back by the induction of signal and the feedback of rotary encoder 37 self.
The sliding angle of aforesaid tyre last detection method is by hydraulic pulldown 2 detected tire 12 to be applied pressure to set rotary drum 1 surface of rotating speed dead axle rotation with the load of setting, and detects the tire high-speed durability on the simulation track.
In a period of time of rotating with rotary drum 1 rubbing contact, detected tire 12 changes certain angle around the radial cut string pendulum with rotary drum 1 surface of contact, with analog detection turn inside diameter or non-rectilinear transport condition.
Use rotary encoder 37 to detect the angle of rotation support 31, to adjust the radially angle of tangent line rotation of detected tire 12 around swing shaft 32 rotations.
Detected tire 12 is along the front and back of vertical axis run-off the straight, and the rotating speed on rotary drum 1 surface can keep constant.
In whole testing process, promptly to implement continuously in the simulated experiment of cruising state and inclination angle state, the rotating speed of dynamically adjusting rotary drum 1 is to change the rotating speed of detected tire 12.
In addition, regulate that detected tire 12 is applied pressure to hydraulic jack 7 outputting powers on rotary drum 1 surface, to change the rubbing contact acting force between detected tire 12 and the rotary drum 1.
Claims (5)
1. the sliding angle detecting device of tyre last is applied to the tyre last experiment, include,
Frame (10),
Frame (10) is provided with one by the rotary drum (1) of motor (11) driving with dead axle rotation, simulation track,
At least the side station at rotary drum (1) is provided with hydraulic pulldown (2),
Hydraulic pulldown (2) is provided with pedestal (3), and move seat (5) and be carried on the pedestal (3) by the line slide rail (4) that is arranged at its bottom,
Move the rear end of seat (5), connecting by force cell (8) provides expulsive force detected tire (12) being pressed in the hydraulic jack (7) on rotary drum (1) surface,
It is characterized in that: the front portion of moving seat (5) is provided with a rotation support (31), and the front end of rotation support (31) is provided with the wheel rim stationary shaft (6) that is used to install detected tire (12);
One end of swing shaft (32) is set in rotation support (31) regularly, and its other end axially is set in rotatably and moves seat (5);
Side at rotation support (31) is provided with, and is used for driving detected tire (12) by rotation support (31) and drives hydraulic cylinder (33) around the sliding angle that the radially tangent line that contacts with rotary drum (1) rotates to an angle.
2. the sliding angle detecting device of tyre last according to claim 1, it is characterized in that: go up at rotation support (31) first gear (34) is installed, first gear (34) is connected with a joggle and is sheathed on second gear (35) on the turning axle (36), and the end of turning axle (36) connects a rotary encoder (37) that is used to detect rotation support (31) anglec of rotation.
3. the sliding angle detecting device of tyre last according to claim 2, it is characterized in that: rotary encoder (37) is installed on and moves seat (5), rotary encoder (37) is connected in turning axle (36) by shaft coupling (38), is arranged with bearing (39) in turning axle (36) outside.
4. according to claim 1, the sliding angle detecting device of 2 or 3 described tyre lasts, it is characterized in that: an end of swing shaft (32) connects rotation support (31) by key (40), and its other end is sheathed on by the sub-bearing of circular cone (41) and moves seat (5) inner chamber.
5. the sliding angle detecting device of tyre last according to claim 4 is characterized in that: the piston rod that sliding angle drives hydraulic cylinder (33) is installed on pedestal (3) by support (42), and its cylinder body connects rotation support (31) by bearing (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205392919U CN201780245U (en) | 2010-09-16 | 2010-09-16 | Tire endurance sliding angle detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205392919U CN201780245U (en) | 2010-09-16 | 2010-09-16 | Tire endurance sliding angle detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201780245U true CN201780245U (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205392919U Expired - Fee Related CN201780245U (en) | 2010-09-16 | 2010-09-16 | Tire endurance sliding angle detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201780245U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837421A (en) * | 2014-03-14 | 2014-06-04 | 株洲时代新材料科技股份有限公司 | Rubber belt track road simulation testing method and rubber belt track road simulation testing device |
| CN105372077A (en) * | 2015-02-26 | 2016-03-02 | （株）大庆工程 | Indoor tire running test machine with load maintaining device |
| CN108956163A (en) * | 2018-07-09 | 2018-12-07 | 山西云度知识产权服务有限公司 | A kind of new-energy automobile tire wear performance detection device |
-
2010
- 2010-09-16 CN CN2010205392919U patent/CN201780245U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837421A (en) * | 2014-03-14 | 2014-06-04 | 株洲时代新材料科技股份有限公司 | Rubber belt track road simulation testing method and rubber belt track road simulation testing device |
| CN103837421B (en) * | 2014-03-14 | 2016-07-20 | 株洲时代新材料科技股份有限公司 | A kind of rubber belt track Road Simulation Test method and device |
| CN105372077A (en) * | 2015-02-26 | 2016-03-02 | （株）大庆工程 | Indoor tire running test machine with load maintaining device |
| CN108956163A (en) * | 2018-07-09 | 2018-12-07 | 山西云度知识产权服务有限公司 | A kind of new-energy automobile tire wear performance detection device |
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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: 20110330 Termination date: 20180916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |