CN220322620U - Brake force sensor calibration tool - Google Patents
Brake force sensor calibration tool Download PDFInfo
- Publication number
- CN220322620U CN220322620U CN202323342967.1U CN202323342967U CN220322620U CN 220322620 U CN220322620 U CN 220322620U CN 202323342967 U CN202323342967 U CN 202323342967U CN 220322620 U CN220322620 U CN 220322620U
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- brake force
- force sensor
- clamp
- sensor calibration
- plate
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- 238000009434 installation Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model relates to the technical field of brake force sensors, and provides a brake force sensor calibration tool which comprises a plurality of axially overlapped clamps; a brake force sensor is arranged on each clamp; the side surface of the clamp is provided with a threading hole, and the electric wire on the brake force sensor is threaded outwards from the threading hole, so that wiring is facilitated; when the stress surface of the brake force sensor at the top is pressed, the clamp presses the brake force sensor at the lower end, and the pressure born by each brake force sensor is consistent. Setting the number of clamps according to the placement space of the press; the clamp is placed at a compression station of a press after being overlapped, and then a brake force sensor is electrified and is in a working state; when the press presses the brake force sensor at the top, the clamp can transmit the pressure to the next brake force sensor, so that each brake force sensor receives the same pressure, a plurality of brake force sensors can be calibrated at the same time after one-time pressing, and the calibration efficiency of the brake force sensors is improved.
Description
Technical Field
The utility model relates to the technical field of brake force sensors, in particular to a brake force sensor calibration tool.
Background
The EMB brake force sensor needs to be calibrated before being put on the market. At present, when the EMB brake force sensor is calibrated, the calibration can only be carried out one by one, and the efficiency is lower.
Therefore, how to improve the calibration efficiency of the EMB brake force sensor becomes a problem to be solved by those skilled in the art.
Disclosure of Invention
In order to solve the technical problems in the background art, the utility model discloses a brake force sensor calibration tool.
The utility model provides a brake force sensor calibration tool, which comprises a plurality of axially overlapped clamps;
a brake force sensor is arranged on each clamp;
the side surface of the clamp is provided with a threading hole, and the electric wire on the brake force sensor is threaded outwards from the threading hole, so that wiring is facilitated;
when the stress surface of the brake force sensor at the top is pressed, the clamp presses the brake force sensor at the lower end, and the pressure born by each brake force sensor is consistent.
Setting the number of clamps according to the placement space of the press; the clamp is placed at a compression station of a press after being overlapped, and then a brake force sensor is electrified and is in a working state; when the press presses the brake force sensor at the top, the clamp can transmit the pressure to the next brake force sensor, so that each brake force sensor receives the same pressure, a plurality of brake force sensors can be calibrated at the same time after one-time pressing, and the calibration efficiency of the brake force sensors is improved.
If the brake force sensor is pressed to generate a play, the test result is easy to deviate, and based on the test result, the further design is that: the upper end of the clamp is provided with a top inner step; the brake force sensor is clamped on the top inner step, and the supporting surface of the brake force sensor is propped against the step surface of the top inner step and is used for supporting the brake force sensor; the side wall of the brake force sensor is attached to the side wall of the top inner step, so that installation and positioning are realized.
The contact area size of the clamp and the brake force sensor at the lower end directly influences the stress stability of the brake force sensor, and based on the contact area size, the further improvement is that: the bottom of the clamp is provided with a pressing surface which is connected with a stress surface of a brake force sensor at the lower end. The arrangement of the pressing surface increases the contact area of the clamp and the brake force sensor, so that the pressure applied by the brake force sensor at the lower end of the clamp is more stable.
When pressed, if the clamp and the brake force sensor at the lower end of the clamp are relatively displaced, the test result is easy to deviate, and based on the test result, the further improvement is that: the lower extreme of anchor clamps is provided with first concave station, and its bottom is established as the face of exerting pressure for joint brake force sensor's top.
If connect between two adjacent anchor clamps, then all braking force sensor atress below the top braking force sensor all can reduce to influence the calibration accuracy, based on this, further design is: after the clamps are overlapped and the brake force sensor is installed, a distance is arranged between two adjacent clamps.
If directly place superimposed anchor clamps at the pressurized station of press, the position deviation appears easily, influences the stability of atress, based on this, further design is: the utility model also comprises a pressing plate, wherein the radial projection of the pressing plate is T-shaped and is arranged on a pressing station of the pressing machine.
The accuracy of the position of the clamp on the platen directly influences the stability of the pressure, based on which, the further design is: the up end of pressure disk is provided with the spacing groove, and the anchor clamps joint of lower extreme is in the spacing inslot.
When changing different braking force sensor and anchor clamps, need change the pressure disk simultaneously, and the cost of pressure disk is higher, based on this, further design is: the utility model also comprises a base which is fixed on the pressure plate through bolts; the limit groove is arranged on the upper end face of the base. The base can be replaced, so that the cost can be reduced.
The anchor clamps of bottom, its lower extreme need not install braking force sensor, and the lower terminal surface of this anchor clamps is the annular moreover, and area of contact with the base is little, and mounting structure is unstable, based on this, further design is: the clamp at the lowest end is arranged as a bottom clamp, the lower end of the clamp is provided with a clamping plate, the clamping plate is a whole plate, the diameter of the clamping plate is larger than that of the clamp, and the clamping plate is clamped in the second concave table.
The beneficial effects of the utility model are as follows: the utility model can set the number of the clamps according to the placing space of the press; the clamp is overlapped and then placed at a pressed station of a press; when the press presses the brake force sensor at the top, the clamp can transmit the pressure to the next brake force sensor, so that each brake force sensor receives the same pressure, a plurality of brake force sensors can be calibrated at the same time after one-time pressing, and the calibration efficiency of the brake force sensors is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a front view of the present utility model;
FIG. 2 is a cross-sectional view of A-A of FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 2;
FIG. 4 is an exploded view of a mounting structure for a clamp and a brake force sensor;
FIG. 5 is an exploded view of the present utility model;
in the figure: 1. a clamp; 2. a brake force sensor; 3. a force-bearing surface; 4. a top inner step; 5. a support surface; 6. a pressing surface; 7. a pressure plate; 8. a limit groove; 9. a base; 10. a bolt; 11. a second concave station; 12. a bottom clamp; 13. a clamping plate; 14. and a threading hole.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
Embodiment one: as shown in fig. 1-5, the utility model discloses a brake force sensor calibration tool for calibrating an EMB brake force sensor, which comprises a plurality of clamps 1 which are axially overlapped. The clamp 1 is cylindrical, the upper end of the clamp is open, and the lower end of the clamp is provided with a bottom plate. The opening end of the clamp 1 is provided with a top inner step 4, the brake force sensor 2 is clamped on the top inner step 4, and a supporting surface 5 of the brake force sensor is abutted against the step surface of the top inner step 4 and used for supporting the brake force sensor 2; the side wall of the brake force sensor 2 is attached to the side wall of the top inner step 4, so that installation and positioning are realized.
Three oblong threading holes 14 which are arranged in parallel and at intervals are formed in the side wall of the clamp 1, and the length direction of the oblong threading holes is parallel to the axial direction of the clamp 1. The electric wire on the brake force sensor 2 is outwards penetrated out from the threading hole 14, so that the wiring is convenient.
The lower terminal surface of bottom plate sets up sunken first concave station, and the braking force sensor 2 top joint of its lower extreme is in first concave station. The bottom of the first concave table is provided with a pressing surface 6 which is connected with the stress surface 3 of the brake force sensor 2 at the lower end. The pressing surface 6 is used for increasing the contact area of the clamp 1 and the brake force sensor 2, so that the pressure applied to the brake force sensor 2 at the lower end of the clamp 1 is more stable.
The bottom clamp 1 is not provided with a brake force sensor 2 at the lower end, so the clamp 1 at the lowest end is set as a bottom clamp 12, the lower end of the bottom clamp is provided with a clamping plate 13, and the clamping plate 13 is a whole plate with a diameter larger than that of the clamp 1 and is used for being contacted with a table top of a pressing station of a press.
After the clamps 1 are overlapped and the brake force sensor 2 is installed, a space is arranged between two adjacent clamps 1. By this arrangement, it is possible to avoid the generation of pressure between the adjacent jigs 1, resulting in a reduction in the stress of all the brake force sensors 2 below the top brake force sensor 2, thereby affecting the accuracy of calibration.
Setting the number of clamps 1 according to the placement space of the press; the clamp 1 is placed at a compression station of a press after being overlapped, and then the brake force sensor 2 is electrified and is in a working state; when the press presses the brake force sensor 2 at the top, the clamp 1 can transmit the pressure to the next brake force sensor 2, so that each brake force sensor 2 receives the same pressure, and the calibration of the brake force sensors 2 can be simultaneously carried out after one-time pressing, and the calibration efficiency of the brake force sensors 2 is improved.
Embodiment two: the difference from the first embodiment is that: the utility model also comprises a pressing plate 7, the radial projection of the pressing plate is T-shaped, and a connecting column at the lower end of the pressing plate is inserted into a positioning hole of a pressing station of the pressing machine, so that the pressing plate 7 is installed and positioned.
The upper end face of the pressure plate 7 is provided with a limit groove 8. The clamp 1 is placed on the upper end face of the pressure plate 7 after being overlapped, and the clamping plate 13 is clamped in the limiting groove 8, so that the position accuracy of the clamp 1 is improved, and the stress of the clamp is more stable.
Embodiment III: compared with the embodiment, the difference is that: the utility model also comprises a base 9, and the limit groove 8 is arranged on the upper end surface of the base 9. Two symmetrically arranged countersunk holes are formed in the bottom of the limiting groove 8, corresponding threaded holes are formed in the upper end face of the pressing plate 7, and bolts 10 penetrate through the countersunk holes to be in threaded connection with the pressing plate 7, so that the base 9 is fixed.
The lower extreme of base 9 is provided with second concave station 11, with the upper end joint of pressure disk 7 to realize base 9 installation spacing.
When the model is changed to the braking force sensor 2 and the clamp 1, only the different bases 9 are needed to be replaced, and compared with the direct replacement of the pressure plate 7, the cost is reduced.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. A brake force sensor calibration frock, its characterized in that: comprises a plurality of axially superimposed clamps (1);
a brake force sensor (2) is arranged on each clamp (1);
the side surface of the clamp (1) is provided with a threading hole (14), and an electric wire on the brake force sensor (2) is penetrated outwards from the threading hole (14) so as to be convenient for wiring;
when the stress surface (3) of the brake force sensor (2) at the top is pressed, the clamp (1) presses the brake force sensor (2) at the lower end, and the pressure born by each brake force sensor (2) is consistent.
2. The brake force sensor calibration tooling of claim 1, wherein: the upper end of the clamp (1) is provided with a top inner step (4);
the brake force sensor (2) is clamped on the top inner step (4), and a supporting surface (5) of the brake force sensor is propped against the step surface of the top inner step (4) and is used for supporting the brake force sensor (2);
the side wall of the brake force sensor (2) is attached to the side wall of the top inner step (4), so that installation and positioning are realized.
3. The brake force sensor calibration tooling of claim 2, wherein: the bottom of the clamp (1) is provided with a pressing surface (6) which is connected with a stress surface (3) of the brake force sensor (2) at the lower end.
4. A brake force sensor calibration fixture as defined in claim 3, wherein: the lower end of the clamp (1) is provided with a first concave table, the bottom of the clamp is provided with the pressing surface (6) for clamping the top of the brake force sensor (2).
5. The brake force sensor calibration tooling of claim 4, wherein: after the clamps (1) are overlapped and the brake force sensor (2) is installed, a distance is arranged between two adjacent clamps (1).
6. The brake force sensor calibration tooling of claim 1, wherein: the press further comprises a pressing plate (7), wherein the radial projection of the pressing plate is T-shaped and is arranged on a pressing station of the press.
7. The brake force sensor calibration tooling of claim 6, wherein: the upper end face of the pressure plate (7) is provided with a limit groove (8), and the clamp (1) at the lowest end is clamped in the limit groove (8).
8. The brake force sensor calibration tooling of claim 7, wherein: the device also comprises a base (9) which is fixed on the pressure plate (7) through bolts (10);
the limiting groove (8) is arranged on the upper end face of the base (9).
9. The brake force sensor calibration tooling of claim 8, wherein: the lower end of the base (9) is provided with a second concave table (11);
the upper end of the pressure plate (7) is clamped in the second concave table (11) to realize installation and positioning.
10. The brake force sensor calibration tooling of claim 9, wherein: the clamp (1) at the lowest end is arranged to be a bottom clamp (12), the lower end of the clamp is provided with a clamping plate (13), the clamping plate (13) is a whole plate, the diameter of the clamping plate is larger than that of the clamp (1), and the clamping plate is clamped in the second concave table (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323342967.1U CN220322620U (en) | 2023-12-08 | 2023-12-08 | Brake force sensor calibration tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323342967.1U CN220322620U (en) | 2023-12-08 | 2023-12-08 | Brake force sensor calibration tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220322620U true CN220322620U (en) | 2024-01-09 |
Family
ID=89416888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323342967.1U Active CN220322620U (en) | 2023-12-08 | 2023-12-08 | Brake force sensor calibration tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220322620U (en) |
-
2023
- 2023-12-08 CN CN202323342967.1U patent/CN220322620U/en active Active
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