CN210400690U - Self-centering air pressure disc type brake dragging force test bench - Google Patents
Self-centering air pressure disc type brake dragging force test bench Download PDFInfo
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- CN210400690U CN210400690U CN201921473556.7U CN201921473556U CN210400690U CN 210400690 U CN210400690 U CN 210400690U CN 201921473556 U CN201921473556 U CN 201921473556U CN 210400690 U CN210400690 U CN 210400690U
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Abstract
A self-centering air pressure disc brake drag force test bench is characterized in that a torque sensor is connected with an output shaft of a motor in a transmission manner, a first transmission shaft fixedly connected with a brake disc of a tested piece is connected to the other side of the torque sensor in a transmission manner, and the first transmission shaft is transversely arranged; the upper surface of the workbench is connected with an adjusting mechanism adjusting part, the adjusting mechanism adjusting part comprises a threaded sleeve fixedly connected with the workbench, a rotary handle is connected in the threaded sleeve in a threaded manner, the lower end of the rotary handle is relatively and rotatably connected with a snap ring, the lower end of the snap ring is hinged with a pair of connecting rods which are correspondingly arranged in a front-back manner, the lower end of each connecting rod is respectively hinged with an adjusting mechanism, a floating plate is respectively arranged below each adjusting mechanism, a hydraulic cylinder is respectively and fixedly connected below each floating plate, and the lower ends of the front hydraulic cylinder and the rear hydraulic cylinder are fixedly; the workbench on the other side of the adjusting mechanism is fixedly connected with a pneumatic device, the pneumatic device is in transmission connection with a pneumatic push rod, and the free end of the pneumatic push rod corresponds to the brake pad of the tested piece.
Description
Technical Field
The utility model relates to a device suitable for drag power detection to braking system after the assembly of air pressure disc brake assembly is accomplished especially relates to a from centering air pressure disc brake drag power test bench.
Background
At present, for the detection of the dragging force of a brake system of an air pressure disc brake assembly after the assembly is finished, the defects of inaccurate test result, high precision of positioning requirement, difficult clamping, difficult guarantee of concentricity, unstable test and great operation difficulty exist.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to not enough, provide a from centering atmospheric pressure disc brake drag power test bench, the utility model discloses a modular design has reduced the cost of manufacture, has reduced workman's intensity of labour and the degree of difficulty through the operation, carries out data acquisition through torque sensor and has reduced artifical wrong probability, and the commonality is stronger, and the replacement of different model brake assemblies is realized to accessible adjustment guiding mechanism's position.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a self-centering air disc brake drag force test bench comprises a workbench (1), wherein a motor (2) is fixedly mounted on one end of the workbench (1), the motor (2) is in transmission connection with a motor output shaft (37), and the self-centering air disc brake drag force test bench is characterized in that the motor output shaft (37) is in transmission connection with a torque sensor (3), the other side of the torque sensor (3) is in transmission connection with a first transmission shaft (32) fixedly connected with a brake disc (13) of a tested piece (8), and the first transmission shaft (32) is transversely arranged; an adjusting mechanism adjusting part (7) is connected to the upper surface of the workbench (1), the adjusting mechanism adjusting part (7) comprises a threaded sleeve (17) fixedly connected with the workbench (1), the threaded sleeve (17) is vertically arranged, a rotating handle (16) is connected to the inner thread of the threaded sleeve (17), a snap ring (26) is connected to the lower end of the rotating handle (16) in a relative rotating manner, a pair of connecting rods (19) are hinged to the lower end of the snap ring (26) and correspondingly arranged in the front and back direction, an adjusting mechanism (12) is hinged to the lower end of each connecting rod (19) respectively, a tested part (8) is fixed between the front adjusting mechanism and the back adjusting mechanism (12), a floating plate (24) is arranged below each adjusting mechanism (12) respectively, the adjusting mechanisms (12) and the floating plates (24) are movably connected in the front and back direction, a hydraulic cylinder (14) is fixedly connected to, the lower ends of the front hydraulic cylinder and the rear hydraulic cylinder (14) are fixedly connected to the workbench (1); the workbench (1) on the other side of the adjusting mechanism (12) is fixedly connected with a pneumatic device (9), the pneumatic device (9) is in transmission connection with a pneumatic push rod (35), the pneumatic push rod (35) is transversely arranged, and the free end of the pneumatic push rod (35) corresponds to a brake pad of the tested piece (8).
The self-centering air pressure disc brake drag force test bench is characterized in that a reverse adjusting mechanism (10) is further connected onto the workbench (1), the reverse adjusting mechanism (10) comprises a reverse clamping sleeve (29), the reverse clamping sleeve (29) is fixedly connected with the workbench (1), the reverse clamping sleeve (29) is transversely arranged, a reverse clamping handle (27) is connected with the reverse clamping sleeve (29) in an internal thread mode, one end of the reverse clamping handle (27) is located outside the reverse clamping sleeve (29), the other end of the reverse clamping handle (27) is located inside the reverse clamping sleeve (29), one end of the reverse clamping handle (27) is a cone or a circular table body with a small outer part and a large inner part, a through hole is formed in the side wall of the reverse clamping sleeve (29) in a region corresponding to the cone or the circular table body, and a telescopic block (30) is telescopically connected inside and outside the through hole, the telescopic block (30) is relatively connected with a roller (31), the roller (31) is positioned outside the reverse clamping sleeve (29), and the roller (31) corresponds to the brake disc (13).
The self-centering air pressure disc brake dragging force test bed is characterized in that a support plate (28) is fixedly connected to the reverse clamping sleeve (29), and the support plate (28) is fixedly connected to the workbench (1).
The test bed for testing the dragging force of the self-centering air pressure disc brake is characterized in that a plurality of through holes which are distributed at equal intervals are formed in the periphery of the side wall of the reverse clamping sleeve (29), and each through hole is internally provided with the telescopic block (30).
The self-centering air pressure disc brake dragging force test bed is characterized in that the adjusting mechanism (12) comprises a fixed part (23), the fixed part (23) is movably connected with the floating plate (24) in a front-back mode, the fixed part (23) is connected with a clamping handle (20) in a relative rotating mode, the clamping handle (20) is transversely arranged, a moving part (21) is connected to the clamping handle (20) in a threaded mode, and a brake support (11) of a tested piece (8) is fixed between the moving part (21) and the fixed part (23) of the adjusting mechanism (12).
The self-centering air pressure disc brake dragging force test bed is characterized in that the moving part (21) is L-shaped, a fixed pin (22) is fixedly connected to the inner side of the vertical section of the moving part (21), the fixed pin (22) is transversely arranged, and the fixed pin (22) corresponds to a brake bracket (11) of a tested piece (8).
The test bed for testing the dragging force of the self-centering air pressure disc brake is characterized in that a sliding block (36) is fixedly connected to the lower portion of the fixed portion (23), a sliding groove (25) is formed in the floating plate (24), and the sliding block (36) is movably connected to the sliding groove (25) in the front-back direction.
The test bed for testing the dragging force of the self-centering air disc brake is characterized in that the other end of the first transmission shaft (32) is fixedly connected with a coupler (4) in a transmission mode, the other end of the coupler (4) is connected with a second transmission shaft (33) in a transmission mode, and the second transmission shaft (33) is fixedly connected with a brake disc (13) of a tested piece (8).
The self-centering air pressure disc brake drag force test bed is characterized in that the adjusting mechanism adjusting part (7) further comprises a support frame (18), the support frame (18) is fixedly connected to the workbench (1), and the threaded sleeve (17) is fixedly connected with the support frame (18).
The test bed for testing the dragging force of the self-centering air disc brake is characterized in that the support frame (18) is of a U shape with a downward opening, and the first transmission shaft (32) penetrates through the opening of the support frame (18).
The device is used for detecting the friction force generated by the joint of the brake pad and the brake disc in the return process of the piston after the air disc brake assembly brakes and boosts pressure, and has the main function of detecting the dragging force of the brake pad on the brake disc in a short time after the air disc brake assembly brakes and releases the air disc brake assembly.
The utility model has the advantages as follows:
1) the self-designed quick clamping tool is adopted, and the clamping and the positioning of various brake assemblies can be realized by positioning one hole and two handles.
The bracket occupies the correct position on the workbench by the acting force of the moving part and the fixing part, the clamping step is simplified, and the labor and the time are greatly saved; and bolts are not needed to be screwed down or fixed and clamped, so that the clamping process is more flexible. Through the characteristic hole site of product itself, the location is convenient, and twist grip is more convenient than bolted connection.
2) The accuracy of the experimental result is effectively improved.
The reverse clamping handle is driven by the screw to axially move by the screw driving mechanism, and the telescopic block which is connected with the conical surface at the end part of the reverse clamping handle and is provided with the roller wheel outwards expands along with the axial movement of the shaft, so that the brake disc is tightly supported in the brake disc, the rotation stability of the brake disc is enhanced, the bending of the shaft section of the brake disc is weakened, and the brake disc is prevented from jumping.
3) And a torque meter is adopted for torque test, so that the inspection steps are simplified.
And the data is directly output on a workbench after passing the test through data conversion, and is compared with qualified parameters to directly judge whether the data is qualified or not.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic sectional view A-A of FIG. 2;
fig. 4 is a left side view structure diagram of the present invention;
fig. 5 is a schematic perspective view of the present invention;
FIG. 6 is a schematic structural view of a reverse adjustment mechanism of the present invention;
FIG. 7 is a schematic cross-sectional view of B-B of FIG. 6;
fig. 8 is a schematic structural view of an adjusting mechanism of the present invention;
FIG. 9 is a schematic structural view of a movable part of the vise of the present invention;
FIG. 10 is a schematic structural view of an adjusting portion of the adjusting mechanism of the present invention;
fig. 11 is a schematic structural view of the floating plate of the present invention;
FIG. 12 is a schematic structural view of a fixing part of a vice according to the present invention;
fig. 13 is a schematic view of the right side view structure of fig. 6.
In the drawings:
1. a work table; 2. an electric motor; 3. a torque sensor; 4. a coupling; 5. a first bearing housing; 6. a second bearing housing; 7. an adjustment mechanism adjusting portion; 8. a measured piece; 9. a pneumatic device; 10. a reverse adjustment mechanism; 11. a brake bracket; 12. an adjustment mechanism; 13. a brake disc; 14. a hydraulic cylinder; 15. a flange plate connecting piece; 16. rotating the handle; 17. a threaded bushing; 18. a support frame; 19. a connecting rod; 20. a clamping handle; 21. a moving part; 22. fixing the pin; 23. a fixed portion; 24. a floating plate; 25. a chute; 26. a snap ring; 27. a reverse clamping handle; 28. a support plate; 29. reversely clamping the sleeve; 30. a telescopic block; 31. a roller; 32. a first drive shaft; 33. a second drive shaft; 34. a groove; 35. a pneumatic push rod; 36. a slider; 37. and a motor output shaft.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 13, the self-centering air disc brake drag force test bed comprises a workbench (1), wherein a motor (2) is fixedly mounted on one end of the workbench (1), the motor (2) is in transmission connection with a motor output shaft (37), the motor output shaft (37) is in transmission connection with a torque sensor (3), the other side of the torque sensor (3) is in transmission connection with a first transmission shaft (32) fixedly connected with a brake disc (13) of a tested piece (8), and the first transmission shaft (32) is transversely arranged; an adjusting mechanism adjusting part (7) is connected to the upper surface of the workbench (1), the adjusting mechanism adjusting part (7) comprises a threaded sleeve (17) fixedly connected with the workbench (1), the threaded sleeve (17) is vertically arranged, a rotating handle (16) is connected to the inner thread of the threaded sleeve (17), a snap ring (26) is connected to the lower end of the rotating handle (16) in a relative rotating manner, a pair of connecting rods (19) are hinged to the lower end of the snap ring (26) and correspondingly arranged in the front and back direction, an adjusting mechanism (12) is hinged to the lower end of each connecting rod (19) respectively, a tested part (8) is fixed between the front adjusting mechanism and the back adjusting mechanism (12), a floating plate (24) is arranged below each adjusting mechanism (12) respectively, the adjusting mechanisms (12) and the floating plates (24) are movably connected in the front and back direction, a hydraulic cylinder (14) is fixedly connected to, the lower ends of the front hydraulic cylinder and the rear hydraulic cylinder (14) are fixedly connected to the workbench (1); the workbench (1) on the other side of the adjusting mechanism (12) is fixedly connected with a pneumatic device (9), the pneumatic device (9) is in transmission connection with a pneumatic push rod (35), the pneumatic push rod (35) is transversely arranged, and the free end of the pneumatic push rod (35) corresponds to a brake pad of the tested piece (8).
The reverse adjusting mechanism (10) is further connected onto the workbench (1), the reverse adjusting mechanism (10) comprises a reverse clamping sleeve (29), the reverse clamping sleeve (29) is fixedly connected with the workbench (1), the reverse clamping sleeve (29) is transversely arranged, a reverse clamping handle (27) is in threaded connection with the reverse clamping sleeve (29), one end of the reverse clamping handle (27) is located outside the reverse clamping sleeve (29), the other end of the reverse clamping handle (27) is located inside the reverse clamping sleeve (29), one end of the reverse clamping handle (27) is a cone or a circular truncated cone with a small outside and a large inside, a through hole is formed in the side wall of the reverse clamping sleeve (29) in the area corresponding to the cone or the circular truncated cone, a telescopic block (30) is in telescopic connection with the inside and the outside in the through hole, a roller (31) is connected onto the telescopic block (30) in a relatively rotating manner, the roller (31) is located outside the reverse clamping sleeve (29, the roller (31) corresponds to the brake disc (13).
In the embodiment, the reverse clamping sleeve (29) is fixedly connected with a supporting plate (28), and the supporting plate (28) is fixedly connected on the workbench (1).
In this embodiment, a plurality of through holes are formed in a periphery of the side wall of the reverse clamping sleeve (29) and are distributed at equal intervals, and each through hole is internally provided with the telescopic block (30).
The adjusting mechanism (12) comprises a fixed part (23), the fixed part (23) is movably connected with the floating plate (24) in a front-back mode, the fixed part (23) is connected with a clamping handle (20) in a relatively rotating mode, the clamping handle (20) is transversely arranged, a moving part (21) is connected to the clamping handle (20) in a threaded mode, and a brake support (11) of the measured piece (8) is fixed between the moving part (21) of the adjusting mechanism (12) and the fixed part (23).
In the embodiment, the moving part (21) is L-shaped, a fixed pin (22) is fixedly connected to the inner side of the vertical section of the moving part (21), the fixed pin (22) is transversely arranged, and the fixed pin (22) corresponds to the brake bracket (11) of the tested piece (8).
In the embodiment, a sliding block (36) is fixedly connected to the lower surface of the fixed part (23), a sliding groove (25) is formed in the floating plate (24), and the sliding block (36) is movably connected in the sliding groove (25) in the front-back direction.
The other end of the first transmission shaft (32) is fixedly connected with a coupler (4) in a transmission mode, the other end of the coupler (4) is connected with a second transmission shaft (33) in a transmission mode, and the second transmission shaft (33) is fixedly connected with a brake disc (13) of the tested piece (8).
The adjusting mechanism adjusting part (7) further comprises a support frame (18), the support frame (18) is fixedly connected to the workbench (1), and the threaded sleeve (17) is fixedly connected with the support frame (18).
In the embodiment, the supporting frame (18) is in a downward U shape, and the first transmission shaft (32) penetrates through the opening of the supporting frame (18).
A first bearing seat (5) and a second bearing seat (6) are fixedly mounted on the workbench (1), and a second transmission shaft (33) is connected with the first bearing seat (5) and the second bearing seat (6) in a relative rotating mode.
A groove (34) is formed in the workbench (1), and the supporting plate (28) is fixedly arranged in the groove (34).
The test bench is provided with a power source by a motor 2 fixed on the right end of a workbench 1 through bolts, the other end of a motor output shaft 37 is connected with a torque sensor 3, the other end of the torque sensor extends out of a first transmission shaft 32, the other end of the first transmission shaft 32 is fixedly provided with a coupling 4 (playing a protection role when in overload), the other end of the coupling extends out of a second transmission shaft 33, the second transmission shaft 33 passes through a first bearing seat 5 fixed on the workbench, the second transmission shaft 33 passes through a second bearing seat 6, the other end of the second transmission shaft 33 is fixedly connected with a flange plate connecting piece 15 through a tight fit or a key and the like, power is transmitted to a brake disc 13 fixed with a flange plate through bolts to rotate, two hydraulic cylinders 14 are fixed on the right side of the brake disc and are used for driving a floating plate 24 which, the floating plate is provided with a vice capable of moving in the sliding groove, and the vice is used for fixing the tested piece. A reverse adjusting mechanism 10 for centering the brake disc is fixed on the left side of the vice and right in front of the brake disc, an adjusting mechanism 12 fixed on the workbench through bolts is arranged above the brake disc (the specification of the adjusting mechanism 12 can be adjusted when the tested piece with different models is replaced), and a pneumatic device 9 fixed on the workbench through bolts is arranged at the left end of the workbench.
The adjusting part of the adjusting mechanism comprises a supporting frame 18 fixed on the worktable 1 and a threaded sleeve 17 which is fixed on the left side of the upper part of the supporting frame through welding or other modes and is provided with threads, a rotating handle 16 which is connected through threads and can realize rotation is arranged in the threaded sleeve, the rotating handle passes through the threaded sleeve and is relatively connected with a snap ring 26 at the lower end of the threaded sleeve, the lower end of the snap ring 26 is simultaneously connected with connecting rods 19 which are oppositely arranged front and back through pins, the lower end of each connecting rod is respectively hinged with a vice, floating plates 24 with chutes are respectively arranged below each vice and are used for supporting the vice and realizing the back and forth movement of the vice, hydraulic cylinders 14 which can realize the pressing (play a role of fixing the vice) are respectively arranged below each floating plate, a moving part 21 which is connected through threads is arranged on the left side of the vice, a fixed column pin 22 (used, a clamping handle 20 (for clamping the object to be measured) is provided on the left side of the moving member 21.
For different types and specifications of different brakes, the rotating handle 16 is twisted, the rotating handle and the threaded sleeve 17 form thread transmission, and the threaded sleeve 17 is fixed, so that the rotating handle 16 moves downwards to force the snap ring 26 connected to the lower end of the rotating handle 16 through a rotating thread to move downwards so as to drive the front connecting rod 19 and the rear connecting rod 19 to move, and the adjusting mechanism arranged in the chute 25 of the floating plate 24 is loosened (the hydraulic cylinder is unlocked and the compaction state is released) by the component force of the two connecting rods 19 along the rod body direction of the connecting rods to horizontally slide; the hydraulic cylinder can realize that the floating plate 24 drives the adjusting mechanism to move vertically, thereby realizing the clamping of products of different models.
The adjusting mechanism is mainly in screw transmission, a measured piece is placed between a moving part 21 and a fixing part 23 of the adjusting mechanism, after a fixing pin 22 of the moving part 21 aligns with one hole in a processing surface (positioning hole characteristic on a flat surface) of the brake support 11, the clamping handle 20 is rotated, the moving part 21 is gradually close to the fixing part 23 through the screw transmission, and therefore the end face of the moving part and the end face of the fixing part are respectively contacted with the processing surface of the brake and the back surface of the processing surface (namely the front surface and the back surface of the brake), and the purpose of clamping is achieved.
The reverse adjusting mechanism 10 fixed on the workbench through bolts or other modes comprises a supporting plate 28, a reverse clamping handle 27, a reverse clamping sleeve 29, a telescopic block 30 and a roller 31, wherein the supporting plate 28 is fixed in a groove 34 on the workbench. The right end part of the reverse clamping handle 27 is a conical surface and is in threaded connection with the reverse clamping sleeve 29, the handle can be horizontally moved (the supporting plate 28 is fixed on the workbench 1) by rotating the reverse clamping handle 27, the telescopic block is forced to expand outwards, and finally the inner circumferential surface of the tension brake disc is expanded, so that the rotation stability of the brake disc is improved, and the test accuracy is improved.
During the test, at first carry out the aligning through reverse guiding mechanism with the brake disc, confirm its stability, secondly adjust guiding mechanism's specification according to the specification of the piece that is surveyed, place the stopper that adapts to the model on the vice, and with fixed pin 22 alignment by the piece that is surveyed, the locking is surveyed, open the motor, the motor gives the brake disc with power transmission, torque sensor record data, open the test function of test bench, pneumatic means 9 of installing on the workstation send the braking order after pneumatic push rod 35 to by the piece action after the computer, realize the simulation braking, application of force makes the brake block be close to brake disc 13 and brakies. At the moment, the motor stops working, the coupler plays a role in protecting the motor, after the computer sends a braking ending command, the pneumatic push rod moves backwards to simulate and release the brake, the motor recovers to work, and the torque sensor continues to work, records the torque and transmits the torque to the computer for data recording and analysis.
Claims (10)
1. A self-centering air disc brake drag force test bench comprises a workbench (1), wherein a motor (2) is fixedly mounted on one end of the workbench (1), the motor (2) is in transmission connection with a motor output shaft (37), and the self-centering air disc brake drag force test bench is characterized in that the motor output shaft (37) is in transmission connection with a torque sensor (3), the other side of the torque sensor (3) is in transmission connection with a first transmission shaft (32) fixedly connected with a brake disc (13) of a tested piece (8), and the first transmission shaft (32) is transversely arranged; an adjusting mechanism adjusting part (7) is connected to the upper surface of the workbench (1), the adjusting mechanism adjusting part (7) comprises a threaded sleeve (17) fixedly connected with the workbench (1), the threaded sleeve (17) is vertically arranged, a rotating handle (16) is connected to the inner thread of the threaded sleeve (17), a snap ring (26) is connected to the lower end of the rotating handle (16) in a relative rotating manner, a pair of connecting rods (19) are hinged to the lower end of the snap ring (26) and correspondingly arranged in the front and back direction, an adjusting mechanism (12) is hinged to the lower end of each connecting rod (19) respectively, a tested part (8) is fixed between the front adjusting mechanism and the back adjusting mechanism (12), a floating plate (24) is arranged below each adjusting mechanism (12) respectively, the adjusting mechanisms (12) and the floating plates (24) are movably connected in the front and back direction, a hydraulic cylinder (14) is fixedly connected to, the lower ends of the front hydraulic cylinder and the rear hydraulic cylinder (14) are fixedly connected to the workbench (1); the workbench (1) on the other side of the adjusting mechanism (12) is fixedly connected with a pneumatic device (9), the pneumatic device (9) is in transmission connection with a pneumatic push rod (35), the pneumatic push rod (35) is transversely arranged, and the free end of the pneumatic push rod (35) corresponds to a brake pad of the tested piece (8).
2. The self-centering air pressure disc brake drag force test bed according to claim 1, wherein the workbench (1) is further connected with a reverse adjusting mechanism (10), the reverse adjusting mechanism (10) comprises a reverse clamping sleeve (29), the reverse clamping sleeve (29) is fixedly connected with the workbench (1), the reverse clamping sleeve (29) is transversely arranged, the reverse clamping sleeve (29) is connected with a reverse clamping handle (27) in a threaded manner, one end of the reverse clamping handle (27) is positioned outside the reverse clamping sleeve (29), the other end of the reverse clamping handle (27) is positioned in the reverse clamping sleeve (29), one end of the reverse clamping handle (27) is a cone or a circular table body with a small outside and a large inside, a through hole is formed in the side wall of the reverse clamping sleeve (29) in a region corresponding to the cone or the circular table body, and a telescopic block (30) is telescopically connected inside and outside the through hole, the telescopic block (30) is relatively connected with a roller (31), the roller (31) is positioned outside the reverse clamping sleeve (29), and the roller (31) corresponds to the brake disc (13).
3. The self-centering pneumatic disc brake drag force test bench according to claim 2, characterized in that the reverse clamping sleeve (29) is fixedly connected with a support plate (28), and the support plate (28) is fixedly connected on the worktable (1).
4. The test bed for testing the dragging force of the self-centering air pressure disc brake as claimed in claim 2, wherein a plurality of through holes are formed in a circumference of the side wall of the reverse clamping sleeve (29) and are distributed at equal intervals, and the telescopic block (30) is arranged in each through hole.
5. The test bed for testing the dragging force of the self-centering air pressure disc brake as claimed in claim 1, wherein the adjusting mechanism (12) comprises a fixed part (23), the fixed part (23) is movably connected with the floating plate (24) in a front-back manner, the fixed part (23) is connected with a clamping handle (20) in a relative rotating manner, the clamping handle (20) is transversely arranged, a moving part (21) is connected onto the clamping handle (20) in a threaded manner, and the brake bracket (11) of the tested piece (8) is fixed between the moving part (21) and the fixed part (23) of the adjusting mechanism (12).
6. The self-centering air pressure disc brake dragging force test bed according to claim 5, wherein the moving part (21) is L-shaped, a fixed pin (22) is fixedly connected to the inner side of the vertical section of the moving part (21), the fixed pin (22) is transversely arranged, and the fixed pin (22) corresponds to the brake bracket (11) of the tested piece (8).
7. The test bed for testing the dragging force of the self-centering air pressure disc brake according to claim 5, wherein a sliding block (36) is fixedly connected to the lower surface of the fixed part (23), a sliding groove (25) is formed in the floating plate (24), and the sliding block (36) is movably connected to the sliding groove (25) in a front-back mode.
8. The test bed for testing the drag force of the self-centering air pressure disc brake as recited in claim 1, wherein a coupling (4) is fixedly connected to the other end of the first transmission shaft (32) in a transmission manner, a second transmission shaft (33) is connected to the other end of the coupling (4) in a transmission manner, and the second transmission shaft (33) is fixedly connected to the brake disc (13) of the tested piece (8).
9. The self-centering air pressure disc brake drag force test bed according to claim 1, characterized in that the adjusting mechanism adjusting part (7) further comprises a support frame (18), the support frame (18) is fixedly connected to the work table (1), and the threaded sleeve (17) is fixedly connected to the support frame (18).
10. The self-centering air disc brake drag force test bed according to claim 9, wherein the support frame (18) is of a downwardly open "U" shape, and the first transmission shaft (32) passes through the opening of the support frame (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921473556.7U CN210400690U (en) | 2019-09-06 | 2019-09-06 | Self-centering air pressure disc type brake dragging force test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921473556.7U CN210400690U (en) | 2019-09-06 | 2019-09-06 | Self-centering air pressure disc type brake dragging force test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210400690U true CN210400690U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921473556.7U Active CN210400690U (en) | 2019-09-06 | 2019-09-06 | Self-centering air pressure disc type brake dragging force test bench |
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| Country | Link |
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| CN (1) | CN210400690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115901204A (en) * | 2022-11-01 | 2023-04-04 | 齐齐哈尔大学 | Elevator stopper body detection tool |
-
2019
- 2019-09-06 CN CN201921473556.7U patent/CN210400690U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115901204A (en) * | 2022-11-01 | 2023-04-04 | 齐齐哈尔大学 | Elevator stopper body detection tool |
| CN115901204B (en) * | 2022-11-01 | 2023-08-18 | 齐齐哈尔大学 | Elevator brake body detects tool |
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