CN210322301U - Heavy truck hub bearing testing device - Google Patents
Heavy truck hub bearing testing device Download PDFInfo
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- CN210322301U CN210322301U CN201921086626.3U CN201921086626U CN210322301U CN 210322301 U CN210322301 U CN 210322301U CN 201921086626 U CN201921086626 U CN 201921086626U CN 210322301 U CN210322301 U CN 210322301U
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Abstract
The utility model discloses a heavy truck wheel hub bearing testing arrangement, including frame, main drive arrangement, wheel hub bearing fixed subassembly, axial loading mechanism, radial loading mechanism, unbalance loading mechanism and control system, control system is used for controlling driving motor, axial driver and radial driver, wheel hub bearing fixed subassembly include connecting axle and connection pad, and axial loading mechanism includes stand, axial driver, connecting seat, axial loading piece, lead screw subassembly, and radial loading mechanism includes support, radial driver, guiding mechanism, radial loading piece, and unbalance loading mechanism includes arm of force board, axial connecting piece and radial connecting piece; the axial loading mechanism, the radial loading mechanism and the unbalance loading mechanism are used for transferring force to the hub bearing so as to simulate the axial and radial stress conditions of the hub bearing of the vehicle in the running process. The utility model discloses compact rational in infrastructure can simulate out the true operational environment of wheel hub bearing more accurately, carries out more scientific detection to its life.
Description
Technical Field
The utility model relates to a test is equipped, especially relates to a heavily block wheel hub bearing testing arrangement.
Background
The hub bearing on the heavy truck is large in bearing capacity, and needs to be subjected to durability simulation test, usually, a motor is used for driving a main shaft to rotate, a loading mechanism is used for carrying out axial and radial loading on a test unit, and the common stress condition of the hub bearing in the running process of a vehicle is simulated so as to test the durability of the hub bearing. At present, the structure of a simulation test device for testing the automobile hub bearing of the heavy truck is unreasonable, the structure of the device is too complex or too simple and crude, and the real stress condition of the device cannot be fully simulated.
The hub bearing bending fatigue test detection device related to patent document CN208780454U tests a hub bearing by simulating axial and radial stress conditions of the hub bearing, so as to solve the problem of unreliable experimental data caused by mutual interference of loading force, but the set simulation working condition of the hub bearing is that the hub bearing is flatly placed on a test bench, i.e. the stress condition of the hub bearing when an automobile tire is in a horizontal state is inconsistent with the actual working environment of the hub bearing, and when the automobile tire is actually used, the automobile tire is vertical, i.e. the hub bearing is stressed in a vertical state. Therefore, further improvement is needed to simulate the actual working condition as much as possible and ensure the reliability of the test data.
Patent document CN202453185U describes an automobile hub bearing endurance life simulation testing machine, but the rationality and flexibility of the structure for applying axial force and radial force are still insufficient, and the axial loading mechanism and the radial loading mechanism are disposed on the same side of the testing unit, so that the upper end of the L loading arm is suspended, the unbalance loading force cannot be smoothly and evenly transmitted to the hub in the testing unit, and the accuracy of the testing structure can be affected.
If the obtained test data cannot be as close as possible to the real use condition of the hub bearing, the reliability of the test data is not high, and people cannot make more accurate judgment on the performance and the use expectation of the bearing, which causes troubles to users. Therefore, improvements in test equipment are needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that prior art exists, the utility model provides a heavily block wheel hub bearing testing arrangement to each performance to the wheel hub bearing carries out the simulation test better, in order to obtain more being close true experimental data, carries out more scientific and reasonable's prediction to the life of wheel hub bearing.
In order to achieve the above object, the utility model discloses the technical scheme who takes is a heavy truck wheel hub bearing testing arrangement, a serial communication port, include:
a frame;
the driving device is fixedly connected with the rack and comprises a driving motor and a driving main shaft, and the driving main shaft is in driving connection with the driving motor;
the hub bearing fixing assembly is used for connecting and fixing the hub bearing;
the axial loading mechanism comprises a vertical seat, an axial driver and an axial loading piece, wherein the vertical seat is fixedly connected with the rack, and the axial loading piece is connected with the axial driver;
the radial loading mechanism comprises a support, a radial driver, a radial loading piece and an adjusting mechanism, wherein the support is fixedly connected with the rack, the radial loading piece is connected with the radial driver, the adjusting mechanism is movably connected with the radial driver, and the adjusting mechanism is used for adjusting the relative position of the radial driver on the support; and
the eccentric load mechanism comprises a force arm plate, an axial connecting piece and a radial connecting piece, wherein the force arm plate is vertical, the axial connecting piece is connected to one end of the force arm plate in a sliding mode, the radial connecting piece is fixedly connected to the other end of the force arm plate, and the force arm plate is matched with the hub bearing fixing assembly; the axial loading piece is hinged with the axial connecting piece, and the radial loading piece is abutted with the radial connecting piece.
In an embodiment of the utility model, the subassembly is fixed to wheel hub bearing includes connecting axle and connection pad, the connecting axle is used for connecting the one end of fixed wheel hub bearing, the connection pad is used for connecting fixedly the other end of wheel hub bearing. The connecting shaft is fixedly connected with the inner ring of the hub bearing, and the connecting disc is fixedly connected with the outer ring of the hub bearing.
In an embodiment of the present invention, the arm plate is provided with a clearance hole, and the axial connecting member is slidably connected to the arm plate through the clearance hole.
In an embodiment of the present invention, the axial loading mechanism further includes a connecting seat, a lead screw assembly, the connecting seat and the vertical seat sliding connection, the lead screw assembly and the connecting seat movable connection, the axial device driver is fixedly mounted on the connecting seat. The connecting seat can move up and down through the screw rod assembly.
In an embodiment of the present invention, the axial driver is an axial hydraulic cylinder, the axial hydraulic cylinder is fixedly connected to the connecting seat, and the axial loading member is connected to the axial hydraulic cylinder; the radial driver is a radial hydraulic cylinder, the radial hydraulic cylinder is connected with the support in a sliding mode, and the radial loading piece is connected with the radial hydraulic cylinder. The support is provided with a support sliding rail, and the radial hydraulic cylinder can move in the support sliding rail.
In an embodiment of the present invention, the axial loading mechanism further includes a connecting seat, a lead screw assembly, the connecting seat and the vertical seat sliding connection, the lead screw assembly and the connecting seat movable connection, the axial device driver is fixedly mounted on the connecting seat. The screw rod assembly comprises a screw rod and a screw rod seat, the screw rod is in transmission connection with the screw rod seat, the screw rod seat is fixedly installed on the vertical seat, and one end of the screw rod is fixedly connected with the connecting seat.
In the utility model discloses an in the embodiment, go back two spacing supports of fixedly connected with on the connecting seat, two spacing support symmetry is installed on the connecting seat, the free end of two spacing supports passes through connecting plate fixed connection and is in the same place, the arm-force board is located between two spacing supports, spacing support can for the arm-force board reciprocates.
In an embodiment of the present invention, the adjusting mechanism includes an adjusting rod and a positioning plate, the adjusting rod is disposed on the positioning plate, the positioning plate is fixedly connected to the support, and the adjusting rod is connected to the radial hydraulic cylinder.
In an embodiment of the utility model, still include the blower mechanism, the blower mechanism with frame fixed connection for blow to the test unit, the test unit is fixed between drive spindle and the arm-of-force board.
In an embodiment of the present invention, the testing device further includes a heating mechanism, the heating mechanism seals the testing unit inside the heating mechanism, the heating mechanism is used for spraying water and/or heating the testing unit, and the testing unit is fixed between the driving spindle and the arm plate.
The utility model discloses following beneficial effect has:
the utility model discloses a structurally improve the design to each part of testing arrangement for the true service environment of wheel hub bearing obtains more scientific and reasonable's simulation. The axial loading mechanism and the radial loading mechanism are used for simulating the axial and radial stress conditions of the hub bearing of the vehicle in the running process, the specific connection matching mode between the eccentric loading mechanism and the test unit is adopted to ensure that the forces from the axial loading mechanism and the radial loading mechanism can be well transmitted to the test unit, the response speed is high, and the test result is scientific and effective. Furthermore, the adjustment of the stress point of the test unit can be realized by utilizing the adjusting mechanism on the radial loading mechanism, so that various stress conditions of the hub bearing are fully simulated.
The utility model discloses compact structure, reasonable in design between each mechanism, the cooperation science through control system control test process, further carries out abundant simulation to the true, manifold atress condition of wheel hub bearing through blast air mechanism, heating mechanism for people can carry out more scientific detection to its life.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a left side view of the structure of FIG. 1;
FIG. 3 is a schematic view of a portion of the structure of FIG. 1;
FIG. 4 is a schematic diagram of the test cell of FIG. 1;
FIG. 5 is an exploded view of FIG. 4;
fig. 6 is a schematic structural view of an unbalance loading mechanism according to embodiment 1 of the present invention;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is a schematic view of the radial connector of FIG. 6;
fig. 9 is a schematic structural view of embodiment 2 of the present invention;
fig. 10 is a schematic structural view of embodiment 3 of the present invention.
Description of reference numerals: 100. a frame; 111. a horizontal work table; 112. an adjusting foot; 1. a test unit; 10. a drive motor; 11. driving the main shaft; 12. a transmission seat; 13. an end cap; 20. a vertical seat; 21. an axial driver; 22. a connecting seat; 23. an axial loading member; 24. a vertical seat slide rail; 25. a limiting bracket; 26. a connecting plate; 27. a screw rod; 28. a screw motor; 29. connecting sleeves; 200. a through hole; 30. a support; 31. a radial drive; 32. a radial loading member; 33. a bracket slide rail; 34. an adjusting lever; 35. positioning a plate; 36. a fixed block; 40. a hub bearing; 41. a connecting shaft; 42. a connecting disc; 43. a first mounting hole; 44. a second mounting hole; 50. a force arm plate; 51. an axial connector; 52. a radial connector; 53. avoiding a void; 54. trepanning; 55. a first connection hole; 57. a fastener; 400. an annular mounting table; 56. a second connection hole; 231. a first force sensor; 232. an end hinge; 520. mounting grooves; 521. a fixing hole; 71. a blower; 72. a guide plate; 80. and (4) an environment box.
Detailed Description
The invention will be further described with reference to the following examples and figures 1 to 10.
Example 1
A heavy truck hub bearing testing device is shown in figures 1-3 and comprises a rack 100, a driving device, a hub bearing fixing assembly, an axial loading mechanism, a radial loading mechanism, an offset loading mechanism and a control system. The control system is used for controlling the drive device, the axial drive and the radial drive. The hub bearing 40 to be tested is fixed on a test station of the test device through the hub bearing fixing assembly, and the stress condition of the hub bearing 40 during actual work is simulated through the axial loading mechanism and the radial loading mechanism.
The frame 100 is provided with a horizontal workbench 111, the horizontal workbench 111 is fixedly provided with a driving device, the driving device comprises a driving motor 10 and a driving main shaft 11, and the driving main shaft 11 is in transmission connection with the driving motor 10. The frame 100 is also provided with an adjusting foot 112 to adjust the height and flatness of the whole equipment. The driving spindle 11 is covered with a transmission seat 12, one end of the driving spindle 11 extends out of the transmission seat 12, an end cover 13 is arranged between the extended driving spindle part and the transmission seat, and the end cover 13 is fixedly installed on the transmission seat 12.
The axial loading mechanism comprises an upright seat 20, an axial driver 21, a connecting seat 22, an axial loading piece 23 and a screw rod 27 assembly, and is shown in figure 2. The upright base 20 is fixedly installed above the transmission base 12, a slide rail 24 of the upright base 20 is opened on the upright base 20, and the connecting base 22 can slide in the slide rail of the upright base 20. In this embodiment, the axial actuator driver 21 is an axial hydraulic cylinder using a hydraulic working principle, and in other embodiments, a mechanism capable of realizing linear motion, such as a pneumatic cylinder or a linear driving motor, may also be used. The outer surface of the cylinder body of the axial hydraulic cylinder is sleeved with a connecting sleeve 29, and the axial hydraulic cylinder and the connecting seat 22 are fixed together through the connecting sleeve 29. A through hole 200 is formed in the middle of the connecting seat 22 and used for allowing the movable end of the axial hydraulic cylinder to penetrate through, the movable end of the axial hydraulic cylinder is connected with an axial loading piece 23, and the axial loading piece 23 is hinged with the offset loading mechanism.
In this embodiment, the axial loading member 23 includes a first force sensor 231 and an end hinge member 232, one end of the end hinge member 232 is fixedly connected to the first force sensor 231, and the other end of the end hinge member 232 is hinged to the offset loading mechanism. The axial loading member 23 transmits the pushing force or pulling force in the axial direction of the hub bearing 40 to the hub bearing 40 through the biasing mechanism, thereby applying an axial biasing load to the hub bearing 40.
Meanwhile, two limit brackets 25 are fixedly arranged on one side of the connecting seat 22 close to the offset loading mechanism, the two limit brackets 25 extend out of the connecting seat 22 like two long arms, and the free ends of the two limit brackets are fixedly connected together through a connecting plate 26. Therefore, the integral structure consisting of the axial hydraulic cylinder, the connecting seat 22, the axial loading piece 23, the limiting bracket 25 and the connecting plate 26 can slide up and down in the vertical seat slide rail 24 through the screw rod assembly to adjust the axial loading position under different test conditions, namely adjust the force arm of the axial force. The screw rod assembly comprises a screw rod 27 and a screw rod seat, the screw rod seat is fixedly installed on the vertical seat 20, the screw rod 27 is in transmission connection with the screw rod seat, one end of the screw rod 27 is fixedly connected with the connecting seat 22, and the connecting seat 22 is driven to vertically move up and down through the movement of the screw rod. The screw rod seat comprises a screw rod motor 28 for driving the screw rod 27 to move up and down linearly.
As shown in fig. 6-7, the biasing mechanism includes a lever plate 50, an axial link 51 and a radial link 52, the axial link 51 being hinged to the end hinge 232. The arm plate 50 is provided with a clearance hole 53, and the axial connecting piece 51 is clamped in the clearance hole 53 and can slide up and down in the clearance hole 53. The arm-force plate 50 is parallel to the connecting seat 22, and the arm-force plate 50 is arranged in the vertical direction. The clearance hole 53 is vertically formed at one end of the arm plate 50 close to the axial loading piece 23. One end of the arm-force plate 50 with the clearance hole 53 is located between the two limit brackets 25, that is, the two limit brackets 25 extend to two sides of the arm-force plate 50 like two long arms to limit and support the arm-force plate 50.
The arm plate 50 below the clearance hole 53 is provided with a sleeve hole 54, the arm plate 50 is tightly sleeved on the connecting shaft 41 through the sleeve hole 54, and the connecting shaft 41 is also provided with a round nut 44. The arm plate 50 is fixedly connected to the connecting shaft 41 by a fastener 57. In this embodiment, a plurality of first connection holes 55 are uniformly distributed around the sleeve hole 54, a plurality of second connection holes 56 are correspondingly distributed on the connection shaft 41, the first connection holes 55 are matched with the second connection holes 56, and the fastening member 57 realizes the fixed connection of the arm plate 50 and the connection shaft 41 through the first connection holes 55 and the second connection holes. In this embodiment, the portion of the connecting shaft 41 exposed from the hub bearing 40 has an outwardly protruding annular mounting table 400, and the second connecting holes 56 are uniformly annularly formed in the annular mounting table 400.
In this embodiment, the cross section of the radial connecting member 52 is an F-shaped structure, as shown in fig. 8, one end of the radial connecting member is provided with a mounting groove 520, the side wall of the mounting groove 520 is provided with a fixing hole 521, and one end of the arm plate 50, which is far away from the axial loading member, is inserted into the mounting groove 520 and is connected with the radial connecting member 52 of the F-shaped structure through the fixing hole 521. The other end of the radial connecting member 52 is extended in a flat plate shape, which is a free end, and is connected to the radial loading mechanism.
As shown in fig. 2, the radial loading mechanism and the axial loading mechanism are respectively located at two ends of the arm plate 50, and the radial loading mechanism is located below the arm plate and is installed on the rack 100. The radial loading mechanism comprises a support 30, a radial driver 31, an adjusting mechanism and a radial loading piece 32, the support 30 is fixedly connected with the rack 100, and a support sliding rail 33 is arranged on the support 30. In this embodiment, the radial actuator 31 is an axial hydraulic cylinder using a hydraulic working principle, and in other embodiments, a mechanism capable of realizing linear motion, such as a pneumatic cylinder or a linear driving motor, may also be used. The radial loading member 32 is connected to the movable end of the radial hydraulic cylinder, and is configured to provide a radial acting force to the hub bearing 40 to simulate an external force applied to the hub bearing 40 in a radial direction thereof during actual operation.
The adjustment mechanism includes an adjustment rod 34 and a positioning plate 35 for adjusting the relative position of the radial hydraulic cylinder on the bracket 30. The positioning plate 35 is fixedly installed at the end of the support slide rail 33 and limits the moving position of the radial hydraulic cylinder. The adjusting rod 34 penetrates through the positioning plate 35, a fixing block 36 is fixedly connected to the cylinder body of the radial hydraulic cylinder, and one end of the adjusting rod 34 is fixedly connected with the fixing block 36. Thus, the entire structure consisting of the radial hydraulic cylinder, the fixed block 36 and the radial loading member 32 can be moved in the bracket slide 33 by the adjusting mechanism.
The radial loading member 32 is in direct contact with the radial connecting member 52, that is, the radial loading member 32 abuts on the bottom of the radial connecting member 52, transmits an external force in the radial direction of the hub bearing 40 to the radial connecting member 52, and further acts on the hub bearing 40 through the arm plate 50. The radial loading member 32 comprises a second force sensor. The radial driver 31 and the radial loading piece 32 can move along the axial direction of the connecting shaft 41 under the action of the adjusting rod 34, so that the radial stressed moment of the hub bearing 40 is changed, and the stressed condition of the hub bearing 40 in actual operation is fully simulated.
The hub bearing fixing assembly is located on one side of the arm plate 50, and comprises a connecting shaft 41 and a connecting disc 42 for mounting the hub bearing 40 to be tested. The connecting shaft 41, the connecting disc 42 and the hub bearing 40 are coaxial. The axis of the connecting shaft 41 is perpendicular to the arm plate 50, that is, the axis of the hub bearing 40 is fixed on the hub bearing fixing component in a horizontal direction. A first mounting hole 43 and a second mounting hole 44 are formed in the connecting disc 42, and the first mounting hole 43 and the second mounting hole 44 are uniformly distributed along the circumferential direction of the connecting disc 42, as shown in fig. 4-5. The connecting disc 42 is fixedly mounted on the outer ring of the hub bearing 40 through a first mounting hole 43 and can be connected through a screw. The connecting shaft 41 is inserted into the inner ring of the hub bearing 40 and fixedly connected with the inner ring, and is locked by a nut through a clearance or interference fit mode, so that the test unit 1 is formed. The axis of the test unit 1 is fixed between the driving main shaft 11 and the force arm plate 50 along the horizontal direction, and only two end parts of the test unit 1 are provided with fixed connection points in the vertical direction, and no force supporting point in the horizontal direction exists, so that the hub bearing 40 is arranged at the spatial position of the automobile tire during actual running, the spatial position is closer to the vertical state of the automobile hub in the actual working condition, and the test result is more accurate. The connecting disc 42 is provided with a second mounting hole 44, the outer ring of the hub bearing 40 is fixed on the driving spindle 11 through a connecting piece, the connecting piece is matched with the second mounting hole 44, and the connecting piece can be a screw or the like.
During testing, the inner ring of the hub bearing 40 and the connecting shaft 41 are fixed with the arm plate 50, and the driving spindle 11 is driven by the driving motor 10 to rotate, so as to drive the outer ring of the hub bearing 40 to rotate. Therefore, the axial pulling force or pushing force exerted by the axial driver 21 is transmitted to the hub bearing 40 through the arm plate 50, and the radial force exerted by the radial driver 31 is also transmitted to the hub bearing 40 through the arm plate 50, so that the performance of the hub bearing 40 is tested.
In other embodiments, the positions of the connecting shaft 41 and the connecting disc 42 may be switched, the connecting disc 42 is fixedly mounted on the arm plate 50, and the connecting shaft 41 is fixedly connected with the driving spindle 11, so as to simulate the working condition that the inner ring of the hub bearing 40 rotates and the outer ring is stationary.
Example 2
Unlike embodiment 1, this embodiment further includes an air blowing mechanism, see fig. 9, for blowing air to the test unit 11. The blowing mechanism comprises a blower 71 and a guide plate 72 which are fixedly arranged on the frame 100. The guide plates 72 are arranged on one side or two sides of the test unit 1, and the air outlet of the air blower 71 is led to a test station through the guide plates to form air flow at the test station so as to simulate the air flow environment encountered during the running process of the vehicle.
Example 3
Unlike embodiment 1, this embodiment further includes a heating mechanism, referring to fig. 10, the heating mechanism includes an environment box 80 and a heater (not shown), the test unit 1 is hermetically located in the environment box 80, the environment box 80 is fixedly connected to the rack 100, the heater is an internal heater, and a heat conducting element of the heater is located inside the environment box 80 and generates heat after being electrified. In other embodiments, the environmental chamber can be directly used as a heat conducting element, and the thermal simulation working environment of the test unit 1 can be formed by the chamber body of the environmental chamber 80.
In other embodiments, the test unit 1 can be sprayed with water according to actual needs to form a working environment under the water condition of the bearing of the hub 40. At this time, it is necessary to provide the environmental chamber 80 with an inlet and an outlet of pipes, respectively, through which water is sprayed from the inlet to the test unit 1 and then flows out of the environmental chamber 80 through the outlet.
The above-mentioned embodiments are only used for explaining the present invention, but not for limiting the present invention, and any replacement and change made without inventive labor within the scope of the present invention and the claims are all within the scope of the present invention.
Claims (9)
1. The utility model provides a heavily block wheel hub bearing testing arrangement which characterized in that includes:
a frame;
the driving device is fixedly connected with the rack and comprises a driving motor and a driving main shaft, and the driving main shaft is in driving connection with the driving motor;
the hub bearing fixing assembly is used for connecting and fixing the hub bearing;
the axial loading mechanism comprises a vertical seat, an axial driver and an axial loading piece, wherein the vertical seat is fixedly connected with the rack, and the axial loading piece is connected with the axial driver;
the radial loading mechanism comprises a support, a radial driver, a radial loading piece and an adjusting mechanism, wherein the support is fixedly connected with the rack, the radial loading piece is connected with the radial driver, the adjusting mechanism is movably connected with the radial driver, and the adjusting mechanism is used for adjusting the relative position of the radial driver on the support; and
the eccentric load mechanism comprises a force arm plate, an axial connecting piece and a radial connecting piece, wherein the force arm plate is vertical, the axial connecting piece is connected to one end of the force arm plate in a sliding mode, the radial connecting piece is fixedly connected to the other end of the force arm plate, and the force arm plate is matched with the hub bearing fixing assembly; the axial loading piece is hinged with the axial connecting piece, and the radial loading piece is abutted with the radial connecting piece.
2. The heavy truck hub bearing testing device of claim 1, wherein the hub bearing fixing assembly comprises a connecting shaft and a connecting disc, the connecting shaft is used for connecting and fixing one end of the hub bearing, and the connecting disc is used for connecting and fixing the other end of the hub bearing.
3. The heavy truck hub bearing testing device of claim 1, wherein the arm plate is provided with clearance holes, and the axial connecting member is slidably connected with the arm plate through the clearance holes.
4. The heavy truck hub bearing testing device of claim 1, wherein the axial loading mechanism further comprises a connecting seat and a lead screw assembly, the connecting seat is slidably connected with the upright seat, the lead screw assembly is movably connected with the connecting seat, and the axial driver is fixedly mounted on the connecting seat.
5. The hub testing device for heavy trucks of claim 4, wherein the axial driver is an axial hydraulic cylinder, the axial hydraulic cylinder is fixedly connected with the connecting seat, and the axial loading member is connected with the axial hydraulic cylinder; the radial driver is a radial hydraulic cylinder, the radial hydraulic cylinder is connected with the support in a sliding mode, and the radial loading piece is connected with the radial hydraulic cylinder.
6. The heavy truck hub bearing testing device of claim 5, wherein two limiting brackets are further fixedly connected to the connecting base, the two limiting brackets are symmetrically mounted on the connecting base, free ends of the two limiting brackets are fixedly connected together through a connecting plate, the arm plate is located between the two limiting brackets, and the limiting brackets can move up and down relative to the arm plate.
7. The heavy truck hub bearing testing device of claim 5, wherein the adjusting mechanism comprises an adjusting rod and a positioning plate, the adjusting rod is arranged on the positioning plate in a penetrating mode, the positioning plate is fixedly connected with the support, and the adjusting rod is connected with the radial hydraulic cylinder.
8. The heavy truck hub bearing testing device of any one of claims 1 to 7, further comprising a blower mechanism fixedly connected to the frame for blowing air to a test unit fixed between the drive spindle and the arm plate.
9. The heavy truck hub bearing testing device of any one of claims 1 to 7, further comprising a heating mechanism that seals a test unit inside the heating mechanism, the heating mechanism being configured to spray water and/or heat the test unit, the test unit being secured between the drive spindle and the force arm plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921086626.3U CN210322301U (en) | 2019-07-11 | 2019-07-11 | Heavy truck hub bearing testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921086626.3U CN210322301U (en) | 2019-07-11 | 2019-07-11 | Heavy truck hub bearing testing device |
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| CN210322301U true CN210322301U (en) | 2020-04-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973110A (en) * | 2023-09-20 | 2023-10-31 | 万向钱潮股份公司 | Hub bearing test equipment and loading offset adjustment method |
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2019
- 2019-07-11 CN CN201921086626.3U patent/CN210322301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973110A (en) * | 2023-09-20 | 2023-10-31 | 万向钱潮股份公司 | Hub bearing test equipment and loading offset adjustment method |
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Effective date of registration: 20200624 Address after: 310051 1-4 / F, building 1, No. 125, miaohouwang Road, Binjiang District, Hangzhou City, Zhejiang Province Co-patentee after: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING Co.,Ltd. Patentee after: Zhejiang mechanical and electrical product quality inspection Institute Co.,Ltd. Address before: 310051, No. 125, Queen Wang Road, Binjiang District temple, Zhejiang, Hangzhou Co-patentee before: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING Co.,Ltd. Patentee before: ZHEJIANG TESTING & INSPECTION INSTITUTE FOR MECHANICAL AND ELECTRICAL PRODUCTS QUALITY |
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