CN215525081U - Pre-detection device for bench analog simulation test fixture - Google Patents
Pre-detection device for bench analog simulation test fixture Download PDFInfo
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- CN215525081U CN215525081U CN202122363255.2U CN202122363255U CN215525081U CN 215525081 U CN215525081 U CN 215525081U CN 202122363255 U CN202122363255 U CN 202122363255U CN 215525081 U CN215525081 U CN 215525081U
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Abstract
The utility model relates to the technical field of machine manufacturing, in particular to a pre-checking device for a bench simulation test fixture, which comprises a fixture seat and fasteners, wherein the top of the fixture seat is provided with at least two fasteners, the utility model can pre-check the brake pad simulation test fixture through the design of the fixture seat, ensure that the test fixture can be arranged on a test bench to run a brake pad simulation test, can pre-detect the test fixture without arranging the test fixture on the bench, check whether the fixture can be arranged in place or not, and simultaneously can detect the parallelism of a mounting base and a top hub unit flange and the end face runout of a brake disc, effectively improve the practicability of the fixture seat, has simple structure, can pre-assemble the brake disc, calipers and other accessories before test preparation, reduce the shutdown installation time of the bench during test replacement, the operation efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of machine manufacturing, in particular to a pre-detection device for a bench simulation test fixture.
Background
In the actual development process of the brake pad, the full-size inertia test bed frame is needed to simulate the actual working condition of the brake pad, including the tests of emergency braking, noise performance, wear performance and the like of a vehicle, the tests need to use parts such as a claw shaft, a brake disc, calipers and the like of an original vehicle, a connecting piece is machined, and finally the test is placed on the test bed frame to simulate the working of the brake pad. After the test fixture is machined, the parallelism between the mounting base and the top hub unit flange is not more than 30 microns, and the stability of high-speed rotation of the brake disc in the test process is ensured. And meanwhile, the 12 fixing bolt holes at the bottom can be accurately fixed on a rack tailstock, so that the test fixture is ensured to be stably installed in the test process.
At present, after a test fixture is newly machined in place, a running test needs to be stopped, and the new test fixture is installed on a test bench for inspection, so that test resources are wasted, and the running efficiency of the bench is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pre-detection device for a bench simulation test fixture, which has the following specific implementation mode:
the utility model provides a preliminary examination device for rack simulation test anchor clamps, including the anchor clamps seat, the fastener, the top of anchor clamps seat is equipped with two fasteners at least, the anchor clamps seat includes the base, the spliced pole, connect the disc, the flange, the through-hole, screw hole and sleeve, the anchor clamps seat is by the base from a left side right side in proper order, the spliced pole, connect disc and flange to constitute, the spliced pole is used for connecting base and joint disc, the through-hole transversely switches on the base, the spliced pole, connect disc and flange, the bottom that connects the disc is equipped with a plurality of sleeves, the circular section circumference equipartition that connects the disc has a plurality of screw holes, the screw hole transversely switches on with the sleeve.
The fastener includes nut and screw rod, and the screw rod overlaps in proper order and establishes in screw hole, sleeve, and the top axial of screw rod is equipped with the nut.
The outer wall of the sleeve is transversely provided with a main scale value.
The outer wall of the screw rod is vertically provided with a platform, the platform is formed by cutting the thread side of the screw rod along the axial direction, and the surface of the platform is axially provided with a vernier scale value.
Further, the number of the threaded holes is at least 12.
Furthermore, the clamp seat is made of a Q235 steel plate, and is welded and then integrally machined.
Further, the size of the base is a circular bottom plate with 400mm multiplied by 40 mm.
Due to the adoption of the technical scheme, the utility model has the beneficial technical effects that:
1. according to the utility model, through the design of the clamp seat, the brake pad simulation test clamp can be pre-checked, so that the test clamp can be arranged on a test bench to run a brake pad simulation test;
2. the utility model can detect the test fixture in advance without installing the test fixture on a rack, check whether the fixture can be installed in place, and detect the parallelism of the installation base and the top hub unit flange and the end face jump of the brake disc, thereby effectively improving the practicability of the fixture seat;
3. the utility model has simple structure, can assemble the parts such as the brake disc, the calipers and the like in advance before the test preparation, reduces the time for the stand to stop and install when the test is replaced, and improves the operation efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a pre-inspection device for a bench simulation test fixture according to the present invention;
FIG. 2 is an exploded view of a pre-inspection apparatus for a bench-based simulation test fixture according to the present invention;
FIG. 3 is a front view of a pre-inspection apparatus for a bench simulation test fixture according to the present invention;
FIG. 4 is a partial enlarged view of a pre-inspection apparatus for a bench simulation test fixture according to the present invention;
FIG. 5 is a schematic diagram of the pre-inspection apparatus for a bench simulation test fixture according to the present invention after the test fixture is installed;
FIG. 6 is a cross-sectional view of the pre-inspection apparatus for a bench simulation test fixture after installation of the test fixture of the present invention.
Description of reference numerals:
1. a clamp seat, 2, a fastener,
11. a base 12, a connecting column 13, a joint disk 14, a flange 15, a through hole 16, a threaded hole 17 and a sleeve,
171. the value of the main scale is determined,
21. the screw cap, 22, the screw rod,
221. platform 222, vernier scale value.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings and examples:
it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Combine fig. 2, anchor clamps seat 1 includes base 11, spliced pole 12, connect disc 13, flange 14, through-hole 15, screw hole 16 and sleeve 17, anchor clamps seat 1 is by base 11 from a left side to the right side in proper order, spliced pole 12, connect disc 13 and flange 14 and constitute, spliced pole 12 is used for connecting base 11 and joint disc 13, through-hole 15 axial switches on base 11, spliced pole 12, connect disc 13 and flange 14, the bottom of joint disc 13 is equipped with a plurality of sleeves 17, the circular cross-section circumference equipartition of joint disc 13 has a plurality of screw holes 16, screw hole 16 and sleeve 17 transversely switch on, locate screw hole 16 and sleeve 17 with fastener 2 axial cover, screw hole 16 and fastener 2 screw-thread fit are connected, be used for fixing the experimental anchor clamps between anchor clamps seat and fastener 2, prevent fastener 2 roll-off.
The fastener 2 comprises a nut 21 and a screw 22, the nut 21 is axially arranged at the top of the screw 22, and the nut 21 blocks the round surface of the test fixture to fix the test fixture.
The outer wall of sleeve 17 transversely is equipped with main scale value 171, and main scale value 171 is marked with the original point in this structure, reads out the difference between the face that vernier scale value 222 belonged to and the original point, adds with vernier scale value 222 reading after converting into the numerical value, is the extension length of screw rod 22 for when further preventing single fastener 2 clamping test fixture, the other side perk of test fixture influences test fixture installation.
Embodiment 3, this embodiment provides a method for using a pre-testing device for a bench simulation test fixture based on the content of embodiment 1.
With reference to fig. 5, when the pre-installation inspection of the test fixture is required, the test fixture can be directly fixed at the joint disc 13 through the fastener 2, the test fixture is attached to two round end faces of the joint disc 13 relatively, the test fixture is axially inserted into the threaded hole 16 and the sleeve 17 through the screw rod 22, the screw cap 21 abuts against the round face of the brake disc in the test fixture, the screw rod 22 is adjusted, after the extension length of each screw rod 22 is accurate, the screw rod 22 and the threaded hole 16 are locked, the installation of the test fixture is completed, the interface goodness of fit can be inspected, whether the threaded hole 16 can be completely matched or not can be inspected, the time period of the test fixture inspection can be shortened, and unnecessary shutdown operation of test equipment is reduced.
Many other changes and modifications can be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (6)
1. A pre-detection device for a bench simulation test fixture comprises a fixture seat (1) and fasteners (2), wherein the top of the fixture seat (1) is provided with at least two fasteners (2),
the fixture seat (1) comprises a base (11), a connecting column (12), a joint disc (13), a flange (14), a through hole (15), a threaded hole (16) and sleeves (17), the fixture seat (1) is sequentially composed of the base (11), the connecting column (12), the joint disc (13) and the flange (14) from left to right, the connecting column (12) is used for connecting the base (11) and the joint disc (13), the through hole (15) transversely conducts the base (11), the connecting column (12), the joint disc (13) and the flange (14), the bottom of the joint disc (13) is provided with a plurality of sleeves (17), a plurality of threaded holes (16) are uniformly distributed on the circumference of the circular section of the joint disc (13), the threaded holes (16) are transversely conducted with the sleeves (17),
fastener (2) include nut (21) and screw rod (22), screw rod (22) are established in screw hole (16), sleeve (17) in proper order, and the top axial of screw rod (22) is equipped with nut (21).
2. The pre-inspection device for bench simulation test jigs of claim 1, wherein the outer wall of the sleeve (17) is provided with a main scale value (171) transversely.
3. The pre-inspection device for the bench simulation test fixture as claimed in claim 1, wherein the screw (22) comprises a platform (221) and a vernier scale value (222), the outer wall of the screw (22) is vertically provided with the platform (221), the platform (221) is formed by axially cutting the threaded side of the screw (22), and the surface of the platform (221) is axially provided with the vernier scale value (222).
4. The pre-inspection apparatus for a bench simulation test fixture according to claim 1, wherein the number of the threaded holes (16) is at least 12.
5. The pre-inspection device for the bench simulation test fixture as claimed in claim 1, wherein the fixture seat (1) is made of a Q235 steel plate by welding and then integrally turning.
6. The pre-inspection apparatus for bench simulation test jigs of claim 1, wherein the base (11) has a circular bottom plate of 400mm x 40mm in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122363255.2U CN215525081U (en) | 2021-09-28 | 2021-09-28 | Pre-detection device for bench analog simulation test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122363255.2U CN215525081U (en) | 2021-09-28 | 2021-09-28 | Pre-detection device for bench analog simulation test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215525081U true CN215525081U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122363255.2U Active CN215525081U (en) | 2021-09-28 | 2021-09-28 | Pre-detection device for bench analog simulation test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215525081U (en) |
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2021
- 2021-09-28 CN CN202122363255.2U patent/CN215525081U/en active Active
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