CN212658452U - Steering column rigidity and holding power testing mechanism capable of being operated by one person - Google Patents
Steering column rigidity and holding power testing mechanism capable of being operated by one person Download PDFInfo
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- CN212658452U CN212658452U CN202021460286.9U CN202021460286U CN212658452U CN 212658452 U CN212658452 U CN 212658452U CN 202021460286 U CN202021460286 U CN 202021460286U CN 212658452 U CN212658452 U CN 212658452U
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Abstract
A steering column rigidity and retention force testing mechanism capable of being operated by one person comprises a testing platform, wherein the testing platform is provided with two parallel guide rails, 2 vertical and oppositely arranged testing tool frames are arranged on the guide rails, the tool frames can slide along the guide rails, and a steering column to be tested is hung in the two testing tool frames; one end of the test platform is provided with a test device carrying platform, and one side of the test device carrying platform is provided with a pipe column horizontal test device assembly; the lower part of the test device carrying platform is provided with a pipe column vertical test and tool frame moving device component; the utility model tests the rigidity and the holding power by adjusting the left and right, up and down positions and the position and the front and back spacing of the test tool frame; the utility model discloses reduce personnel intensity of labour, reduced the workspace of rack, realize single one-hand operation, can keep test stability and precision, improve operating personnel's test work efficiency.
Description
Technical Field
The utility model relates to a detection device field especially relates to a but be applied to steering column's of car a single operation's rigidity and holding power accredited testing organization.
Background
At present, in the prior art, the performance and characteristics of an automobile are transmitted to a driver through a steering system assembled by the automobile, wherein a steering column of the steering system is an important bridge in the process, the steering column is used as a main control device of the steering system, namely, the perception of the automobile on a road is transmitted to the driver through the steering column, and the moment is transmitted to each wheel through the steering column, namely, the control of the automobile by the driver is realized.
The steering column needs to test various parameters in the research and development and test processes, wherein the rigidity and the holding power of the steering column are particularly important parameters in the research and development and test processes, the steering column is used as a steering transmission mechanism of an automobile, the rigidity determines the natural frequency of the steering column, the higher the rigidity is, the higher the natural frequency is in a certain range, the resonance effect formed by vibration transmitted by the whole automobile or a chassis system can be well avoided, and the shaking of a steering wheel is avoided during driving, particularly during high-speed driving; the holding force determines that the steering column has good falling-off phenomenon caused by misoperation while ensuring collision and collapse. These two parameters directly determine the optimization and design robustness of the actual steering column product.
The device for testing the rigidity and the holding power of the steering column in the prior art has a plurality of defects, and the device is specifically as follows:
1. the rigidity and the holding power of the steering column are tested by two independent tests which are carried out by two sets of benches, and the horizontal direction and the vertical direction are manually adjusted, so that the tests are asynchronous and complex;
2. in the test of the rigidity and the holding power of the steering column, a lever structure is usually used for applying force in order to reduce the working strength of workers during operation, so that the working space is occupied greatly, and the control precision is unstable;
3. two persons are required to be matched for control during the rigidity and holding power test of the steering column, one person operates the lever to maintain balance, the other person operates the measuring system to zero and store data, and the test efficiency is low.
Therefore, a novel steering column rigidity and holding force testing mechanism is urgently needed at present, and the requirements for carrying out simple, efficient, accurate and reliable tests and improving the development and design help of the steering column are met.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a but one-man operation's steering column rigidity and holding power accredited testing organization, the utility model discloses utilize the speed reducer to reduce the working space of rack when reducing operating personnel intensity of labour, can realize one-man one-hand operation to can keep the stability of test, operating personnel's another hand then can carry out systematic operation, the precision of test can be ensured in this kind of synchronous test, and saved a manpower resources, improved operating personnel's test work efficiency.
The utility model discloses a but one-man operation's steering column rigidity and holding power accredited testing organization, its concrete structure as follows:
the utility model provides a but steering column rigidity and holding power accredited testing organization of one-man operation, includes test platform, its characterized in that:
the test platform is provided with two guide rails which are arranged in parallel, 2 test tool frames which are vertically and oppositely arranged are arranged on the guide rails, the test tool frames can slide along the guide rails, and the steering column to be detected is hung in the two test tool frames;
one end of the test platform is provided with a test device carrying platform, and one side of the test device carrying platform is provided with a pipe column horizontal test device assembly;
the lower part of the test device carrying platform is provided with a pipe column vertical test and tool frame moving device assembly.
According to the utility model, the steering column rigidity and holding power testing mechanism capable of being operated by one person is characterized in that the column horizontal testing device component comprises a guiding mechanism for horizontal testing, a rigid switching frame, a rigid adjusting bracket, a sliding block type connecting plate, a horizontal testing connecting rod, a horizontal connecting rod articulated element, a horizontal connecting rod sensor and a horizontal speed reducing mechanism, wherein the guiding mechanism for horizontal testing is horizontally arranged at the lower part of one end of a platform carried by the testing device, the guiding mechanism for horizontal testing moves left and right along the platform through a horizontal moving through groove arranged at the platform carried by the testing device, the guiding mechanism for horizontal testing is connected with the vertical rigid adjusting bracket through the right-angle rigid switching frame, the sliding block type connecting plate is arranged on the rigid adjusting bracket, one end of the horizontal testing connecting rod is connected with the sliding block type connecting plate, adjust the upper and lower position of horizontal test connecting rod through slider formula connecting plate, the other end of horizontal test connecting rod then is connected with the horizontal connecting rod sensor through the horizontal connecting rod articulated elements, the horizontal connecting rod sensor is then just to the lateral part of waiting to detect steering column, and horizontal reduction gears sets up on the upper portion of horizontal test guiding mechanism, finely tunes the position about whole tubular column horizontal testing device subassembly through adjustment handle drive horizontal reduction gears.
According to the steering column rigidity and holding power testing mechanism which can be operated by one person of the utility model, it is characterized in that the pipe column vertical test and tool framework moving device component comprises a vertical test connecting rod, a vertical speed reducing mechanism, a vertical connecting rod articulated element, a vertical connecting rod sensor, a tool framework moving screw rod, a screw rod linkage gear, a screw rod linkage clutch and a screw rod moving handle, wherein the vertical test connecting rod is vertically arranged at a vertical through hole arranged on the table top at the other end of the test device carrying platform, the lower part of the vertical test connecting rod is provided with a vertical speed reducing mechanism, the vertical speed reducing mechanism is driven by an adjusting handle to finely adjust the upper and lower heights of the vertical test connecting rod, the upper end of the vertical test connecting rod is connected with a vertical connecting rod sensor through a vertical connecting rod hinged part, and the vertical connecting rod sensor is just opposite to the bottom of a steering column to be detected; the tooling frame moving lead screws are respectively connected with the two testing tooling frames, the lead screw linkage gears and the lead screw linkage clutches are also respectively assembled at the end parts of the tooling frame moving lead screws, the lead screw linkage clutches are operated through lead screw moving handles to move the tooling frame moving lead screws back and forth, and the synchronous belt moves the tooling frame for testing back and forth.
According to the utility model discloses a but one-man operation's steering column rigidity and holding power accredited testing organization, a serial communication port, adjustment handle be detachable design, can use respectively in the fine setting of the left and right sides of tubular column horizontal testing arrangement subassembly and the vertical test connecting rod fine setting from top to bottom.
According to the utility model discloses a but one-man operation's steering column rigidity and holding power accredited testing organization, a serial communication port, lead screw moving handle be detachable design, can use respectively in the lead screw linkage clutch that two frock frames removed the lead screw, will test the position of using frock frame and adjust.
Use the utility model discloses a but one-man operation's steering column rigidity and holding power accredited testing organization have obtained following beneficial effect:
1. the utility model discloses a steering column rigidity and holding power accredited testing organization that can one-man operation provides a novel test structure, fills the blank of domestic similar accredited testing organization, can be according to the difference of steering column product, through adjusting about, upper and lower position and the fore-and-aft interval of testing frock frame, tests vertical and horizontal direction rigidity and holding power;
2. the utility model discloses a but one-man operation's steering column rigidity and holding power accredited testing organization, usable speed reducer fine setting has reduced the working space of rack when reducing operating personnel intensity of labour, can realize single one-man operation to can keep the stability of test, and operating personnel's another hand then can carry out systematic operation, the precision of test can be ensured in this kind of synchronous test, and saved a manpower resources, improve operating personnel's test work efficiency greatly.
Drawings
FIG. 1 is a perspective view showing the concrete structure of a steering column rigidity and holding power testing mechanism which can be operated by a single person according to the present invention;
FIG. 2 is a front view of a concrete structure of a steering column rigidity and holding power testing mechanism capable of being operated by a single person according to the present invention;
fig. 3 is the utility model discloses a but the configuration structure enlargements of single-person operation's steering column rigidity and holding power accredited testing organization's lead screw linkage gear, lead screw linkage clutch and lead screw removal handle.
In the figure: 1-test platform, 2-guide rail, 3-test tooling frame, 4-steering column to be tested, 5-test device carrying platform, 5 a-horizontal moving through groove, 5B-vertical through hole, 6-adjusting handle, A-column horizontal test device component, A1-horizontal test guide mechanism, A2-rigid adapter, A3-rigid adjusting bracket, A4-slider connecting plate, A5-horizontal test connecting rod, A6-horizontal connecting rod hinged part, A7-horizontal connecting rod sensor, A8-horizontal speed reducing mechanism, B-column vertical test and tooling frame moving device component, B1-vertical test connecting rod, B2-vertical speed reducing mechanism, B3-vertical connecting rod hinged part, B4-vertical connecting rod sensor, b5-a tool frame moving lead screw, B6-a lead screw linkage gear, B7-a lead screw linkage clutch and B8-a lead screw moving handle.
Detailed Description
The following describes a steering column stiffness and holding power testing mechanism capable of being operated by a single person according to the present invention with reference to the accompanying drawings and embodiments.
Examples
As shown in fig. 1 to 3, a steering column rigidity and retention force testing mechanism capable of being operated by one person comprises a testing platform 1, wherein the testing platform is provided with two parallel guide rails 2, the guide rails are provided with 2 vertical testing tool frames 3 which are arranged oppositely, the testing tool frames can slide along the guide rails, and a steering column 4 to be tested is hung in the two testing tool frames;
one end of the test platform 1 is provided with a test device carrying platform 5, and one side of the test device carrying platform is provided with a pipe column horizontal test device component A;
the lower part of the test device carrying platform 5 is provided with a pipe column vertical test and tool frame moving device component B.
The pipe column horizontal testing device component A comprises a guiding mechanism A1 for horizontal testing, a rigid adapter bracket A2, a rigid adjusting bracket A3, a slider type connecting plate A4, a horizontal testing connecting rod A5, a horizontal connecting rod hinge piece A6, a horizontal connecting rod sensor A7 and a horizontal speed reducing mechanism A8, wherein the guiding mechanism for horizontal testing is horizontally arranged at the lower part of one end of a testing device carrying platform 5, the guiding mechanism for horizontal testing moves left and right along the platform through a horizontal moving through groove 5a arranged at the testing device carrying platform, the guiding mechanism for horizontal testing is connected with a vertical rigid adjusting bracket through a right-angle type rigid adapter bracket, the slider type connecting plate is arranged on the rigid adjusting bracket, one end of the horizontal testing connecting rod is connected with the slider type connecting plate, the vertical position of the horizontal testing connecting rod is adjusted through the slider type connecting plate, the other end of the horizontal test connecting rod is connected with the horizontal connecting rod sensor through a horizontal connecting rod hinge piece, the horizontal connecting rod sensor is just opposite to the side part of the steering column 4 to be detected, the horizontal speed reducing mechanism is arranged on the upper part of the guide mechanism for horizontal test, and the horizontal speed reducing mechanism is driven by the adjusting handle 6 to finely adjust the left position and the right position of the whole column horizontal test device assembly.
The pipe column vertical testing and tool frame moving device component B comprises a vertical testing connecting rod B1, a vertical speed reducing mechanism B2, a vertical connecting rod hinged part B3, a vertical connecting rod sensor B4, a tool frame moving lead screw B5, a lead screw linkage gear B6, a lead screw linkage clutch B7 and a lead screw moving handle B8, wherein the vertical testing connecting rod is vertically arranged at a vertical through hole 5B formed in the table top at the other end of the testing device carrying platform 5, the vertical speed reducing mechanism is arranged at the lower part of the vertical testing connecting rod, the vertical speed reducing mechanism is driven by an adjusting handle 6 to finely adjust the vertical height of the vertical testing connecting rod, the upper end of the vertical testing connecting rod is connected with a vertical connecting rod sensor through the vertical connecting rod hinged part, and the vertical connecting rod sensor is over against the bottom of a steering pipe column 4 to be detected; the tooling frame moving lead screws are two sets and are respectively connected with the tooling frames 3 for two tests, the lead screw linkage gears and the lead screw linkage clutches are also two sets and are respectively assembled at the end parts of the tooling frame moving lead screws, the lead screw linkage clutches are operated through lead screw moving handles to move the tooling frame moving lead screws back and forth, and the tooling frames for tests are synchronously moved back and forth.
The adjusting handle 6 is designed in a detachable mode and can be used for fine adjustment on the left and right of the pipe column horizontal testing device assembly and fine adjustment on the vertical testing connecting rod up and down respectively.
As shown in fig. 3, the lead screw moving handle B8 is detachable, and can be used for the lead screw linkage clutch B7 of the two fixture frame moving lead screws B5 to adjust the position of the test fixture frame 3.
In this embodiment, the utility model discloses a but concrete implementation process of one-man operation's steering column rigidity and holding power accredited testing organization is as follows:
1) according to different models of the steering column 4 to be detected, the positions and the front-back spacing of two test tool frames are adjusted by adjusting the screw linkage clutches B7 of two tool frame moving screws B5 through screw moving handles B8, namely, the articulated steering column to be detected is arranged at a set detection position;
2) hanging a steering column to be detected in the two test tool frames 3;
3) connecting the horizontal connecting rod sensor a7 with the horizontal test connecting rod a5 by a horizontal connecting rod hinge a 6;
4) in the step 3), the upper and lower positions of the horizontal test connecting rod are adjusted through a slide block type connecting plate A4;
5) connecting the vertical bar sensor B4 to the upper end of the vertical test bar B1 by a vertical bar hinge B3;
6) starting a guide mechanism A1 for horizontal test, and enabling a horizontal connecting rod sensor A7 to face the side part of the steering column 4 to be detected;
7) in the step 6), the position of the horizontal connecting rod sensor A7 can be finely adjusted left and right in a mode of adjusting the horizontal speed reducing mechanism A8 by the adjusting handle 6;
8) disassembling the adjusting handle and configuring the adjusting handle on the vertical speed reducing mechanism B2, and finely adjusting the position of the vertical connecting rod sensor up and down in a mode of finely adjusting the vertical speed reducing mechanism by the adjusting handle to ensure that the adjusting handle is just opposite to the bottom of the steering column to be detected;
9) after the steps are completed, the two sensors are locked after being confirmed to be positioned at the set detection positions, and are connected with a background measurement system through signal lines, so that the rigidity and the holding power of the steering column in the vertical and horizontal directions are tested.
In the step 2, if only one of the tooling frame moving lead screws B5 needs to be adjusted, the lead screw linkage clutch assembled on the other tooling frame moving lead screw is pulled out.
The utility model discloses a steering column rigidity and holding power accredited testing organization that can one-man operation provides a novel test structure, fills the blank of domestic similar accredited testing organization, can be according to the difference of steering column product, through adjusting about, upper and lower position and the fore-and-aft interval of testing frock frame, tests vertical and horizontal direction rigidity and holding power; the utility model discloses a but one-man operation's steering column rigidity and holding power accredited testing organization, usable speed reducer fine setting has reduced the working space of rack when reducing operating personnel intensity of labour, can realize single one-man operation to can keep the stability of test, and operating personnel's another hand then can carry out systematic operation, the precision of test can be ensured in this kind of synchronous test, and saved a manpower resources, improve operating personnel's test work efficiency greatly.
Claims (5)
1. The utility model provides a but steering column rigidity and holding power accredited testing organization of one-man operation, includes test platform (1), its characterized in that:
the test platform (1) is provided with two guide rails (2) which are arranged in parallel, the guide rails are provided with 2 test tool frames (3) which are vertically and oppositely arranged, the test tool frames can slide along the guide rails, and the steering column (4) to be detected is hung in the two test tool frames;
one end of the test platform (1) is provided with a test device carrying platform (5), and one side of the test device carrying platform is provided with a pipe column horizontal test device assembly (A);
the lower part of the test device carrying platform (5) is provided with a pipe column vertical test and tool frame moving device component (B).
2. The steering column rigidity and retention test mechanism operable by a single person as claimed in claim 1, wherein said column horizontal test device assembly (A) comprises a horizontal test guide mechanism (A1), a rigid adapter bracket (A2), a rigidity adjusting bracket (A3), a slider-type link plate (A4), a horizontal test link (A5), a horizontal link hinge member (A6), a horizontal link sensor (A7) and a horizontal deceleration mechanism (A8), wherein the horizontal test guide mechanism is horizontally disposed at a lower portion of one end of the test device mounting platform (5), the horizontal test guide mechanism moves left and right along the platform through a horizontal movement through groove (5a) provided at the test device mounting platform, and the horizontal test guide mechanism is connected to the vertical rigidity adjusting bracket through a right-angle rigid adapter bracket, slider formula connecting plate then sets up on the rigid adjusting support, the one end and the slider formula connecting plate of horizontal test connecting rod are connected, adjust the upper and lower position of horizontal test connecting rod through slider formula connecting plate, the other end of horizontal test connecting rod then is connected with the horizontal connecting rod sensor through the horizontal connecting rod articulated elements, the horizontal connecting rod sensor is then just to the lateral part of treating the steering column post (4) that waits to detect, and horizontal reduction gears sets up on the upper portion of guiding mechanism for horizontal test, drive horizontal reduction gears through adjustment handle (6) and finely tune the position about whole tubular column horizontal testing device subassembly.
3. The steering column rigidity and retention test mechanism capable of being operated by a single person as claimed in claim 1, wherein the column vertical test and tool frame moving device assembly (B) comprises a vertical test connecting rod (B1), a vertical reduction gear (B2), a vertical connecting rod hinge (B3), a vertical connecting rod sensor (B4), a tool frame moving screw (B5), a screw linkage gear (B6), a screw linkage clutch (B7) and a screw moving handle (B8), wherein the vertical test connecting rod is vertically disposed at a vertical through hole (5B) formed on the other end of the test device mounting platform (5), the vertical reduction gear is disposed at the lower portion of the vertical test connecting rod, the vertical reduction gear is driven by an adjusting handle (6) to finely adjust the vertical height of the vertical test connecting rod, the upper end of the vertical test connecting rod is connected to the vertical connecting rod hinge sensor through the vertical connecting rod, the vertical connecting rod sensor is over against the bottom of the steering column (4) to be detected; the tooling frame moving lead screws are two sets and are respectively connected with the tooling frames (3) for two tests, the lead screw linkage gears and the lead screw linkage clutches are also two sets and are respectively assembled at the end parts of the tooling frame moving lead screws, the lead screw linkage clutches are operated through lead screw moving handles to move the tooling frame moving lead screws back and forth, and the tooling frames for the tests are synchronously moved back and forth.
4. A steering column stiffness and retention test mechanism operable by a single person as claimed in claim 2 or claim 3 wherein the adjustment handle (6) is of a detachable design and is adapted for fine left and right adjustment of the horizontal test assembly of the column and fine up and down adjustment of the vertical test connection rod, respectively.
5. A steering column stiffness and retention test mechanism operable by a single person as claimed in claim 3 wherein the lead screw moving handle (B8) is of a detachable design and is adapted to be used in a lead screw coupled clutch (B7) of two tooling frame moving lead screws (B5) respectively to adjust the position of the tooling frame (3) for testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021460286.9U CN212658452U (en) | 2020-07-22 | 2020-07-22 | Steering column rigidity and holding power testing mechanism capable of being operated by one person |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021460286.9U CN212658452U (en) | 2020-07-22 | 2020-07-22 | Steering column rigidity and holding power testing mechanism capable of being operated by one person |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212658452U true CN212658452U (en) | 2021-03-05 |
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ID=74770045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021460286.9U Active CN212658452U (en) | 2020-07-22 | 2020-07-22 | Steering column rigidity and holding power testing mechanism capable of being operated by one person |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212658452U (en) |
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2020
- 2020-07-22 CN CN202021460286.9U patent/CN212658452U/en active Active
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