CN214702761U - Frock clamp that auto steering pull rod strain was markd - Google Patents
Frock clamp that auto steering pull rod strain was markd Download PDFInfo
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- CN214702761U CN214702761U CN202120281546.4U CN202120281546U CN214702761U CN 214702761 U CN214702761 U CN 214702761U CN 202120281546 U CN202120281546 U CN 202120281546U CN 214702761 U CN214702761 U CN 214702761U
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Abstract
The utility model provides a frock clamp that auto steering pull rod strain was markd belongs to auto-parts anchor clamps technical field, and it has solved the fixed frock preparation difficulty problem of steering pull rod. The utility model discloses a: the upper thrust plate, the lower thrust plate, the upper clamp and the lower clamp are rigidly connected. Compared with the prior art, the utility model provides a fixed frock of steering linkage preparation difficulty problem, the systematic method of vehicle steering linkage strain signal calibration power value of proposing for the first time. Aiming at different automobile bar system structural members, the calibration test of structural members with different sizes can be realized by changing the shapes and hole site sizes of the upper clamp and the lower clamp. Meanwhile, the device is easy to disassemble and assemble, simple to operate, capable of quickly positioning the automobile tire, matched with the rack and improving the test efficiency, and can be used for different whole automobile tests in laboratories such as a rotary drum, four columns and the like.
Description
Technical Field
The utility model belongs to the technical field of auto-parts anchor clamps, especially, relate to a frock clamp that auto steering pull rod strain was markd.
Background
With the continuous development and change of society, more and more consumers use automobiles to go out, and the automobile parts and accessories industry is also rising. At present, various main engine plants and suppliers pay more and more attention to the test of automobile rod system structural parts, particularly to a steering pull rod, and the problems of steering comfort, controllability and the like are involved.
The stress condition of the pull rod is measured mainly by a calibration strain mode, but the test is usually carried out without a corresponding auxiliary tool to clamp the steering pull rod, so that the calibration test of the steering pull rod cannot be smoothly carried out. The main problems are as follows: both ends of the steering pull rod are of threaded structures, when the tool clamp is manufactured, if threaded connection is carried out, the tool needs to be tapped to match thread pitches, the cost is high, the difficulty is high, and the tool clamp is easy to damage in the calibration process.
The clamping strength of the clamp on the automobile part has a crucial influence on the processing quality of the automobile part, and if the clamping force of the clamp on the automobile part exceeds the strength of the automobile part, the automobile part is deformed; if the clamping force of the clamp on the automobile parts is insufficient, the automobile parts can be dislocated and fall off, the processing quality of the automobile parts is affected slightly, and production accidents can be caused seriously. Therefore, how to calibrate the stress of the pull rod becomes an urgent problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a frock clamp that is used for carrying out steering linkage foil gage on the material universal tester and marks, its purpose is in order to solve the problem of the fixed frock preparation difficulty of steering linkage.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
a tooling fixture for calibrating the strain of an automobile steering pull rod comprises,
the upper clamp is detachably connected with the upper thrust plate and comprises an upper clamp upper supporting seat and an upper clamp lower supporting seat, and the upper clamp upper supporting seat is connected with the upper clamp lower supporting seat through an upper fixing bolt;
the lower clamp is detachably connected with the lower thrust plate and comprises a lower clamp upper support seat and a lower clamp lower support seat, and the lower clamp upper support seat is connected with the lower clamp lower support seat through a lower fixing bolt;
the upper support seat of the upper clamp is connected with the upper thrust plate;
the lower clamp lower support seat is connected with the lower thrust plate;
one end of the steering pull rod is in threaded connection with the upper clamp lower supporting seat through an upper fixing nut, and the other end of the steering pull rod is in threaded connection with the lower clamp upper supporting seat through a lower fixing nut.
On the basis of the above scheme and as a preferable scheme of the above scheme, the upper support seat of the upper clamp is movably connected with the upper thrust plate, and the lower support seat of the lower clamp is movably connected with the lower thrust plate.
On the basis of the scheme, as a preferable scheme of the scheme, the upper support seat of the upper clamp is fixed on the upper thrust plate through an upper bolt; and the lower clamp lower support seat 6 is fixed on the lower thrust plate through a lower bolt.
On the basis of the above scheme and as a preferable scheme of the above scheme, the number of the upper fixing bolts and the number of the lower fixing bolts are four.
In addition to the above, and as a preferable mode of the above, the steering tie bar is provided with a resistance strain gauge. The resistance-type strain gauge converts the deformation quantity of the steering pull rod into resistance variation quantity and converts the resistance variation quantity into a voltage signal, so that the force and strain calibration of the steering pull rod is realized.
The utility model has the advantages that: compared with the prior art, the utility model provides a fixed frock of steering linkage preparation difficulty problem, the systematic method of vehicle steering linkage strain signal calibration power value of proposing for the first time. Aiming at different automobile bar system structural members, the calibration test of structural members with different sizes can be realized by changing the shapes and hole site sizes of the upper clamp and the lower clamp. Meanwhile, the device is easy to disassemble and assemble, simple to operate, capable of quickly positioning the automobile tire, matched with the rack and improving the test efficiency, and can be used for different whole automobile tests in laboratories such as a rotary drum, four columns and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a side view of the present invention.
In the figure, 1-upper clamp upper support seat; 2-upper clamp lower support seat; 3-fixing the bolt; 4-fixing the nut; 5-upper supporting seat of lower clamp; 6-lower support seat of lower clamp; 7-lower fixing bolt; 8-lower fixing nut; 9-upper thrust plate; 10-mounting a bolt; 11-lower bolt; 12-lower thrust plate; 13-a resistive strain gage; 14-steering tie rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a tooling fixture for strain calibration of an automobile steering linkage comprises an upper fixture detachably connected with an upper thrust plate 9, wherein the upper fixture comprises an upper fixture upper support seat 1 and an upper fixture lower support seat 2, and the upper fixture upper support seat 1 is connected with the upper fixture lower support seat 2 through an upper fixing bolt 3; the lower clamp is detachably connected with the lower thrust plate 12 and comprises a lower clamp upper support seat 5 and a lower clamp lower support seat 6, and the lower clamp upper support seat 5 is connected with the lower clamp lower support seat 6 through a lower fixing bolt 7; the upper support seat 1 of the upper clamp is connected with the upper thrust plate 9; the lower clamp lower support seat 6 is connected with the lower thrust plate 12; one end of the steering pull rod 14 is in threaded connection with the upper clamp lower support seat 2 through an upper fixing nut, and the other end of the steering pull rod is in threaded connection with the lower clamp upper support seat 5 through a lower fixing nut 8.
Specifically, the upper clamp upper support seat 1 is movably connected with the upper thrust plate 9, and the lower clamp lower support seat 6 is movably connected with the lower thrust plate 12. Furthermore, the upper support seat 1 of the upper clamp is fixed on the upper thrust plate 9 through an upper bolt 10; the lower clamp lower support seat 6 is fixed on the lower thrust plate 12 through a lower bolt 11. Further, the upper fixing bolt 3 and the lower fixing bolt 7 are four in number. The device can be used for the whole car test of different laboratories such as rotary drum, four stands, and the design of four bolts accords with mechanical balance moreover.
Further, a resistance strain gauge 13 is disposed on the steering rod 14. When the steering pull rod 14 or the test piece is fixedly arranged between the upper clamp and the lower clamp for calibration test deformation, the steering pull rod 14 or the test piece generates strain, the strain gauge 13 converts the strain into resistance variation, and then the resistance variation is converted into a voltage signal by using a proper test amplifying circuit, so that the calibration of the force and the strain of the steering pull rod or the test piece is realized. Furthermore, all mechanism connections are rigid connections, and the replaceability of bolts and nuts ensures that the device can be suitable for the calibration test of steering pull rods with most sizes. The utility model discloses go up the anchor clamps on supporting seat 1, go up anchor clamps lower carriage 2, the difference of supporting seat 5, 6 sizes of lower carriage, shape, material forms the frock clamp that different kinds of steering linkage strain were markd, all is within the protection scope of the utility model discloses the difference of lower carriage.
The utility model discloses a connected mode does:
first, the upper jig upper support base 1 and the lower jig lower support base 6 are fixed between the upper and lower thrust plates by a pin connection. And then the upper clamp lower support seat 2 is connected with the upper clamp upper support seat 1 through four upper fixing bolts 3, and the lower clamp upper support seat 5 is connected with the lower clamp lower support seat 6 through four lower fixing bolts 7. The tie rod 14 is then connected to the upper clamp lower support base 2 and the lower clamp upper support base 5 by means of bolts and nuts. It should be noted that the clearance fit between the upper clamp upper support seat 1 and the upper thrust plate 9, and between the lower clamp lower support seat 6 and the lower thrust plate 12 should be maintained on the same axis, and the coaxiality of the two is related to the accuracy of the whole test. And finally, starting the machine to calibrate the force and the strain.
The utility model discloses a working process and principle do: and starting the universal testing machine, and driving the whole upper and lower clamps to apply tension and compression force on the test piece (the steering pull rod 14) by performing displacement control or force control on the upper thrust plate 9 and the lower thrust plate 12, so as to finally cause the change of a strain signal of the resistance type strain gauge 13 sensor and finish the calibration of the test piece force and strain.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (5)
1. The utility model provides a frock clamp that auto steering pull rod strain was markd which characterized in that includes:
the upper clamp is detachably connected with the upper thrust plate (9) and comprises an upper clamp upper supporting seat (1) and an upper clamp lower supporting seat (2), and the upper clamp upper supporting seat (1) is connected with the upper clamp lower supporting seat (2) through an upper fixing bolt (3);
the lower clamp is detachably connected with the lower thrust plate (12) and comprises a lower clamp upper supporting seat (5) and a lower clamp lower supporting seat (6), and the lower clamp upper supporting seat (5) is connected with the lower clamp lower supporting seat (6) through a lower fixing bolt (7);
the upper support seat (1) of the upper clamp is connected with the upper thrust plate (9);
the lower clamp lower support seat (6) is connected with the lower thrust plate (12);
one end of the steering pull rod (14) is in threaded connection with the upper clamp lower support seat (2) through an upper fixing nut, and the other end of the steering pull rod is in threaded connection with the lower clamp upper support seat (5) through a lower fixing nut (8).
2. The tool clamp for calibrating the strain of the automobile steering pull rod according to claim 1, wherein the upper support seat (1) of the upper clamp is movably connected with the upper thrust plate (9), and the lower support seat (6) of the lower clamp is movably connected with the lower thrust plate (12).
3. The tooling clamp for the strain calibration of the automobile steering linkage according to claim 2, characterized in that the upper support seat (1) of the upper clamp is fixed on the upper thrust plate (9) through an upper bolt (10); the lower clamp lower support seat (6) is fixed on the lower thrust plate (12) through a lower bolt (11).
4. The frock clamp for calibrating the strain of the automobile steering linkage according to claim 1, wherein the number of the upper fixing bolts (3) and the number of the lower fixing bolts (7) are four.
5. The tool clamp for calibrating the strain of the automobile steering pull rod according to the claim 1, characterized in that a resistance strain gauge (13) is arranged on the steering pull rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120281546.4U CN214702761U (en) | 2021-02-01 | 2021-02-01 | Frock clamp that auto steering pull rod strain was markd |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120281546.4U CN214702761U (en) | 2021-02-01 | 2021-02-01 | Frock clamp that auto steering pull rod strain was markd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214702761U true CN214702761U (en) | 2021-11-12 |
Family
ID=78565819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120281546.4U Active CN214702761U (en) | 2021-02-01 | 2021-02-01 | Frock clamp that auto steering pull rod strain was markd |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214702761U (en) |
-
2021
- 2021-02-01 CN CN202120281546.4U patent/CN214702761U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee after: United New Energy Automobile Co.,Ltd. Address before: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee before: Hozon New Energy Automobile Co., Ltd. Address after: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee after: Hozon New Energy Automobile Co., Ltd. Address before: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee before: Hozon New Energy Automobile Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fixture for strain calibration of automotive steering rods Granted publication date: 20211112 Pledgee: Tongxiang Science and Technology Entrepreneurship Service Center Co.,Ltd. Pledgor: United New Energy Automobile Co.,Ltd. Registration number: Y2024330000709 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |