CN211527259U - Vertical displacement sensor fixed bolster of four-channel bench test wheel - Google Patents
Vertical displacement sensor fixed bolster of four-channel bench test wheel Download PDFInfo
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- CN211527259U CN211527259U CN202020117025.0U CN202020117025U CN211527259U CN 211527259 U CN211527259 U CN 211527259U CN 202020117025 U CN202020117025 U CN 202020117025U CN 211527259 U CN211527259 U CN 211527259U
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Abstract
The utility model relates to a four-channel bench test wheel vertical displacement sensor fixed bolster comprises a displacement transmission mechanism, a vertical displacement plate, a cylindrical linear guide rail, a stay-supported displacement sensor and an installation platform, wherein the displacement transmission mechanism is used for transmitting the displacement of the wheel in the vertical, transverse and vertical directions, the vertical displacement plate is used for measuring the vertical displacement of the wheel, and the cylindrical linear guide rail is vertically installed on the installation platform and used for guiding the vertical movement of the vertical displacement plate; the mounting platform is mounted on the actuator cylinder body and used for mounting the cylindrical linear guide rail and the pull-wire type displacement sensor. The utility model discloses four-channel bench test vehicle wheel displacement sensor fixed bolster can get rid of the vehicle horizontal and longitudinal displacement interference, accurate collection wheel vertical displacement; the utility model discloses stable in structure, simple to operate can measure experimental vehicle alone under the multi freedom operating mode condition vertical displacement to the ground of wheel in the bench test process, realizes the accurate collection of data.
Description
Technical Field
The invention belongs to the technical field and particularly relates to a fixing support for a vertical displacement sensor of a four-channel bench test wheel.
Background
In a road simulation test of a four-channel test of a whole vehicle, the displacement of the wheel center of the vehicle relative to the ground needs to be acquired. However, in the test process, the vehicle has displacement in the front-back and left-right directions, so that the measured vertical displacement data is not accurate enough. At the present stage, no method capable of accurately measuring the vertical displacement of the wheel center exists.
Disclosure of Invention
The invention aims to provide a sensor fixing support for measuring the vertical displacement of the wheel center of a vehicle wheel in a four-channel bench test, which can accurately measure the vertical displacement of the wheel center and eliminate the interference caused by the longitudinal and lateral movement of the vehicle.
The purpose of the invention is realized by the following technical scheme:
a four-channel bench test wheel vertical displacement sensor fixing support is composed of a displacement transmission mechanism, a vertical displacement plate, a cylindrical linear guide rail, a stay wire type displacement sensor and an installation platform;
the displacement transmission mechanism is used for transmitting the displacement of the wheel in the longitudinal direction, the transverse direction and the vertical direction and comprises an installation disc, a wheel concentric extension rod and a fixing bolt, wherein the wheel concentric extension rod and the fixing bolt are fixed on the installation disc;
the vertical displacement plate is used for measuring the vertical displacement of the wheel, linear bearings are arranged at two ends of the vertical displacement plate and matched with the cylindrical linear guide rail, so that the vertical displacement plate can move vertically, a displacement stay wire hanging ring is arranged at the bottom of the vertical displacement plate and used for installing a stay wire of a stay wire type displacement sensor, and a longitudinal displacement plate is embedded in the middle of a frame of the vertical displacement plate;
the cylindrical linear guide rail is vertically arranged on the mounting platform and is used for guiding the vertical motion of the vertical displacement plate;
the mounting platform is mounted on the actuator cylinder body and used for mounting the cylindrical linear guide rail and the pull-wire type displacement sensor.
Furthermore, the mounting disc is used for enabling the displacement transmission mechanism to be connected with the wheel in a rigid body mode, and five spoke holes of the mounting disc are arranged in five equal parts of the circumference.
Furthermore, the concentric extension rod of wheel is concentric with the wheel, is long rod-shaped, is connected with the mounting disc through the welding mode is perpendicular for the displacement of transmission wheel vertical, horizontal and vertical three direction.
Furthermore, the hub bolts are used for mounting a wheel, after the wheel is locked, the outer ends of the five hub bolts are in the same plane, and the outer ends of the five hub bolts are provided with internal thread blind holes which are matched with the fixing bolts and used for locking the mounting disc and fixing the displacement transmission mechanism.
Furthermore, the longitudinal displacement plate is used for eliminating the longitudinal displacement of the vehicle, the upper end and the lower end of the longitudinal displacement plate are provided with grooves, the grooves are embedded in the middle of the vertical displacement plate frame and can move longitudinally, the interference of the longitudinal displacement of the vehicle is eliminated, and the center of the longitudinal displacement plate is provided with a joint bearing.
Furthermore, the joint bearing belongs to a centripetal joint bearing structure, and the concentric extension rod of the wheel penetrates through the center hole of the joint bearing and is in transition fit with the center hole of the joint bearing, so that the concentric extension rod of the wheel can slide relatively freely, the swing interference of the wheel is eliminated, the concentric extension rod of the wheel can rotate for a certain angle, and the transverse displacement interference of a vehicle is eliminated.
Compared with the prior art, the invention has the beneficial effects that:
the wheel vertical displacement sensor fixing support comprises a displacement transmission mechanism, a vertical displacement plate, a cylindrical linear guide rail, a stay wire type displacement sensor, an installation platform, an installation disc, a wheel concentric extension rod, a fixing bolt, a five-spoke-shaped hole, a hub bolt, a cylindrical linear bearing, a joint bearing, a longitudinal displacement plate and a displacement stay wire hanging ring. The device can realize the accurate measurement of the vertical displacement of test vehicle wheel, can get rid of the vehicle and transversely disturb with longitudinal displacement, and test fixture structure is succinct, and anchor clamps installation is fixed convenient, and displacement transmission precision is high, and the mounting disc has rectangular hole structure, makes it be applicable to different test motorcycle types wheel core displacement data acquisition, and the commonality is strong.
Drawings
FIG. 1 is a general schematic view of a four-channel bench test wheel vertical displacement sensor fixing bracket of the present invention;
FIG. 2 is an exploded view of a displacement transmission mechanism of a fixed bracket of a vertical displacement sensor of a four-channel bench test wheel according to the present invention;
FIG. 3 is a schematic view of a displacement measuring mechanism of a fixed support of a vertical displacement sensor of a four-channel bench test wheel according to the present invention;
FIGS. 4 a-4 b are schematic plan views of a displacement measuring mechanism of a fixed support of a vertical displacement sensor for a four-channel bench test wheel according to the present invention;
FIG. 5 is a schematic diagram of the operation of the four-channel bench test vehicle wheel vertical displacement sensor fixing bracket of the present invention;
in the figure, 1, a displacement transmission mechanism 2, a vertical displacement plate 3, a cylindrical linear guide rail 4, a stay wire type displacement sensor 5, an installation platform 10, an installation disc 11, a wheel concentric extension rod 12, a fixing bolt 13, a five-spoke type hole 14, a hub bolt 15, a threaded blind hole 21 at the end part of a screw rod, a linear bearing 22, a joint bearing 23, a longitudinal displacement plate 24 and a displacement stay wire hanging ring are arranged.
Detailed Description
In order to make the technical solution of the present invention clearer, the following detailed description is made with reference to the accompanying drawings and specific embodiments.
The fixing support for the vertical displacement sensor of the four-channel bench test wheel can measure the vertical displacement of the wheel of a test vehicle in the bench test process, and realizes accurate data acquisition.
As shown in fig. 1 and 2, the overall schematic diagram and the exploded schematic diagram of the displacement transmission mechanism of the present invention are shown, and the device is composed of a displacement transmission mechanism 1, a vertical displacement plate 2, a cylindrical linear guide rail 3, a stay wire type displacement sensor 4 and a mounting platform 5.
The displacement transmission mechanism 1 is used for transmitting the displacement of the wheel in the longitudinal direction, the transverse direction and the vertical direction. The displacement transmission mechanism 1 is composed of a mounting disc 10, a wheel concentric extension rod 11, a fixing bolt 12, a five-spoke hole 13 and a hub bolt 14.
The concentric extension rod 11 of wheel is concentric with the wheel, is long rod-shaped, is connected with the mounting disc 10 through the welding mode perpendicularly for the displacement of transfer wheel vertical, horizontal and vertical three direction.
The hub bolts 14 are used for installing a wheel, after the wheel is locked, the outer ends of five hub bolts 14 are in the same plane, the outer ends of the five hub bolts are provided with internal thread blind holes which are matched with the fixing bolts 12 and used for locking the installation disc 10 and fixing the displacement transmission mechanism 1.
The mounting disc 10 is used for connecting the displacement transmission mechanism 1 and a wheel to form a rigid body, and is provided with five spoke-shaped holes 13 which are arranged in five equal parts on the circumference, and the mounting disc 10 is fixed at the outer end of a hub bolt 14 through a fixing bolt 12.
As shown in fig. 3, the vertical displacement plate 2 is provided with a linear bearing 21, a knuckle bearing 22, a longitudinal displacement plate 23 and a displacement stay wire hanging ring 24.
The vertical displacement plate 2 is used for measuring the vertical displacement of the wheel, the two ends of the vertical displacement plate are provided with linear bearings 21 which are matched with the cylindrical linear guide rail 3, so that the vertical displacement plate 2 can move along the vertical direction, the bottom of the vertical displacement plate is provided with a displacement stay wire hanging ring 24 which is used for installing a stay wire of a stay wire type displacement sensor 4, and the middle of the frame of the vertical displacement plate 2 is embedded with a longitudinal displacement plate 23;
the longitudinal displacement plate 23 is used for eliminating the longitudinal displacement of the vehicle, the upper end and the lower end of the longitudinal displacement plate are provided with grooves, the longitudinal displacement plate is embedded in the middle of the frame of the vertical displacement plate 2, can move along the longitudinal direction and is used for eliminating the interference of the longitudinal displacement of the vehicle, and the center of the longitudinal displacement plate is provided with a joint bearing 22;
the knuckle bearing 22 belongs to a centripetal knuckle bearing structure, and the wheel concentric extension rod 11 passes through a center hole of the knuckle bearing 22 in transition fit, can freely slide relatively, eliminates the swing interference of wheels, can rotate by a certain angle and eliminates the transverse displacement interference of a vehicle.
The cylindrical linear guide rail 3 is vertically arranged on the mounting platform 5 and is used for the vertical motion guiding function of the vertical displacement plate 2;
the mounting platform 5 is used for mounting the cylindrical linear guide rail 3 and the stay wire type displacement sensor 4 and plays a role in supporting;
while the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The utility model provides a vertical displacement sensor fixed bolster of four-channel bench test wheel which characterized in that: the device comprises a displacement transmission mechanism (1), a vertical displacement plate (2), a cylindrical linear guide rail (3), a stay wire type displacement sensor (4) and an installation platform (5);
the displacement transmission mechanism (1) is used for transmitting displacement of a wheel in the longitudinal direction, the transverse direction and the vertical direction and comprises a mounting disc (10), a wheel concentric extension rod (11) and a fixing bolt (12), wherein the wheel concentric extension rod and the fixing bolt are fixed on the mounting disc (10), five spoke-shaped holes (13) are formed in the mounting disc (10), the fixing bolt (12) penetrates through the five spoke-shaped holes (13) to be matched with five hub bolts (14), and the mounting disc (10) is fixed at the outer end of the hub bolt (14);
the vertical displacement plate (2) is used for measuring the vertical displacement of the wheel, the two ends of the vertical displacement plate are provided with linear bearings (21) which are matched with the cylindrical linear guide rail (3) to ensure that the vertical displacement plate (2) can move along the vertical direction, the bottom of the vertical displacement plate is provided with a displacement stay wire hanging ring (24) which is used for installing a stay wire of a stay wire type displacement sensor (4), and the middle of the frame of the vertical displacement plate (2) is embedded with a longitudinal displacement plate (23);
the cylindrical linear guide rail (3) is vertically arranged on the mounting platform (5) and is used for the vertical motion guiding function of the vertical displacement plate (2); and the mounting platform (5) is mounted on the actuator cylinder body and used for mounting the cylindrical linear guide rail (3) and the stay wire type displacement sensor (4).
2. The four-channel bench test wheel vertical displacement sensor fixing bracket as recited in claim 1, characterized in that: the mounting disc (10) is used for enabling the displacement transmission mechanism (1) to be connected with a wheel in a rigid body mode, and five spoke holes (13) of the mounting disc are arranged in five equal parts on the circumference.
3. The four-channel bench test wheel vertical displacement sensor fixing bracket as recited in claim 1, characterized in that: the concentric extension rod (11) of the wheel is concentric with the wheel, is in a long rod shape, is vertically connected with the mounting disc (10) in a welding mode, and is used for transmitting displacement of the wheel in the longitudinal direction, the transverse direction and the vertical direction.
4. The four-channel bench test wheel vertical displacement sensor fixing bracket as recited in claim 1, characterized in that: the hub bolts (14) are used for mounting wheels, after the wheels are locked, the outer ends of five hub bolts (14) are in the same plane, and the outer ends of the five hub bolts are provided with internal thread blind holes which are matched with the fixing bolts (12) and used for locking the mounting disc (10) and fixing the displacement transmission mechanism (1).
5. The four-channel bench test wheel vertical displacement sensor fixing bracket as recited in claim 1, characterized in that: the longitudinal displacement plate (23) is used for eliminating the longitudinal displacement of the vehicle, the upper end and the lower end of the longitudinal displacement plate are provided with grooves, the grooves are embedded in the middle of the frame of the vertical displacement plate (2), the longitudinal displacement plate can move along the longitudinal direction and is used for eliminating the longitudinal displacement interference of the vehicle, and the center of the longitudinal displacement plate is provided with a joint bearing (22).
6. The four-channel bench test wheel vertical displacement sensor fixing bracket of claim 5, wherein: the knuckle bearing (22) belongs to a centripetal knuckle bearing structure, and the wheel concentric extension rod (11) penetrates through a center hole of the knuckle bearing (22) in transition fit, can freely slide relatively to eliminate the swing interference of the wheel, can rotate by a certain angle and eliminate the transverse displacement interference of a vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020117025.0U CN211527259U (en) | 2020-01-19 | 2020-01-19 | Vertical displacement sensor fixed bolster of four-channel bench test wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020117025.0U CN211527259U (en) | 2020-01-19 | 2020-01-19 | Vertical displacement sensor fixed bolster of four-channel bench test wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211527259U true CN211527259U (en) | 2020-09-18 |
Family
ID=72459497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020117025.0U Active CN211527259U (en) | 2020-01-19 | 2020-01-19 | Vertical displacement sensor fixed bolster of four-channel bench test wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211527259U (en) |
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2020
- 2020-01-19 CN CN202020117025.0U patent/CN211527259U/en active Active
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