CN218658629U

CN218658629U - Steering gear fixing tool

Info

Publication number: CN218658629U
Application number: CN202223113782.9U
Authority: CN
Inventors: 薛入义
Original assignee: Zeifu Automotive Technology Shanghai Co ltd
Current assignee: Zeifu Automotive Technology Shanghai Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-21
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to a steering gear test technical field provides a fixed frock of steering gear, include: the fixed clamp is arranged on the fixed base plate and can be adjusted in parallel to the fixed base plate; the lifting adjusting mechanism is assembled on the fixed clamp and can lift vertically to the fixed base plate; the fixing clamp is provided with a plurality of assembling surfaces, each assembling surface is provided with a lifting guide rail, and the back plate clamps are assembled on the corresponding lifting guide rails and connected with the lifting adjusting mechanisms; and at least the largest-size back plate clamp in the plurality of back plate clamps is assembled on the fixing clamp through the pitching adjusting mechanism. The utility model discloses a frock is fixed to steering gear can the steering gear of the different specifications of clamping to the position gesture of the steering gear of clamping is adjusted as required to the convenience, with the improvement measuring accuracy, and need not to change fixed frock when testing the steering gear of different specifications, with improvement efficiency of software testing.

Description

Steering gear fixing tool

Technical Field

The utility model relates to a steering gear test technical field, specifically speaking relates to a fixed frock of steering gear.

Background

When the performance test is carried out on the automobile steering device, the fixed tool is required to clamp the steering device. Different steering gears often need to use different fixed tools due to different specifications.

Taking an electric power steering gear as an example, the electric power steering gear is mainly classified into a CD-EPS (Column Drive EPS), a BD-EPS (Belt Drive EPS), and an RD-EPS (Rack Drive EPS); the RD-EPS specification is close to the BD-EPS specification, the same fixed tool can be used, and the CD-EPS specification is smaller, so that the fixed tool with the small specification is required to be used. When the electric power steering device with different specifications is tested, the fixed tool needs to be switched and the posture of the testing equipment needs to be adjusted to match with different fixed tools, and the whole process of replacing the fixed tool takes about 40 minutes, so that the testing efficiency is low.

It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present invention and therefore may include information that does not constitute prior art known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a frock is fixed to steering gear can the steering gear of the different specifications of clamping to the position gesture of the steering gear of clamping is adjusted as required to the convenience, thereby need not to change fixed frock when testing the steering gear of different specifications, in order to improve efficiency of software testing.

According to the utility model discloses an aspect provides a frock is fixed to steering gear, include: the fixed clamp is arranged on the fixed base plate and can be adjusted in parallel to the fixed base plate; the lifting adjusting mechanism is assembled on the fixed clamp and can lift and fall perpendicular to the fixed base plate; the fixing clamp is provided with a plurality of assembling surfaces, each assembling surface is provided with a lifting guide rail, and the back plate clamps are assembled on the corresponding lifting guide rails and connected with the lifting adjusting mechanisms; and at least the largest-size back plate clamp in the plurality of back plate clamps is assembled on the fixed clamp through the pitching adjusting mechanism.

According to the steering gear fixing tool, the position adjustment parallel to the fixing base plate can be realized through the fixing clamp, the position adjustment vertical to the fixing base plate can be realized through the lifting adjusting mechanism, the back plate clamp can be driven to flexibly adjust the position in the three-dimensional direction relative to the fixing base plate through the fixing clamp and the lifting adjusting mechanism, and the adaptive connection with the interface clamp of the corresponding steering gear is ensured; the steering gear fixing tool can clamp steering gears of different specifications through a plurality of back plate clamps, and the back plate clamps are assembled on corresponding assembling surfaces of the fixing clamps and connected with the lifting adjusting mechanism, so that the compact structural design of the steering gear fixing tool is realized; in addition, at least the largest-size backboard clamp is assembled on the fixed clamp through the pitching adjusting mechanism, so that the pitching angle adjustment during the clamping of the largest-size steering gear can be realized, and the accurate clamping of the largest-size steering gear is ensured;

therefore, the steering gear fixing tool can be adapted to steering gears of different specifications, the position and the posture of the clamped steering gear can be conveniently adjusted as required, the testing precision is improved, the fixing tool does not need to be replaced when the steering gears of different specifications are tested, and the testing efficiency is improved.

In some embodiments, the holding fixture is formed as a frame-type bracket; the lifting adjusting mechanism is provided with an operating part arranged outside the frame-shaped support and a lifting part accommodated in the frame-shaped support, and the back plate clamp is connected with the lifting part.

The lifting part of the lifting adjusting mechanism is accommodated by the fixing clamp in the form of a frame-shaped bracket, so that the lifting adjusting mechanism and the fixing clamp are compactly designed and stably connected in a matched manner; in addition, the operation part arranged outside the frame-shaped bracket can be used for conveniently controlling the lifting adjusting mechanism.

In some embodiments, the operating portion comprises an operating handle and the lifting portion comprises a screw mechanism.

The lifting adjusting mechanism can be conveniently controlled to lift through the operating handle; through the screw rod mechanism, the back plate clamp can be driven to stably and precisely lift.

In some embodiments, the pitch adjustment mechanism comprises: the fixing seat is assembled on the fixing clamp and is provided with an arc-shaped guide rail; and the arc-shaped clamping arm is movably assembled on the arc-shaped guide rail and clamps the corresponding back plate clamp.

The central axes of the arc-shaped guide rail and the arc-shaped clamping arm are parallel to the fixed base plate, and the pitching angle adjustment of the corresponding back plate clamp relative to the fixed base plate is realized through the matching of the arc-shaped clamping arm and the arc-shaped guide rail.

In some embodiments, the arc-shaped outer wall of the arc-shaped clamping arm is provided with a first gear, and the fixed seat is provided with a second gear in meshing transmission with the first gear.

Through the first gear and the second gear of meshing transmission, make the arc arm lock can move along the arc guide rail steadily to drive the backplate anchor clamps every single move regulation of centre gripping.

In some embodiments, the pitch adjustment mechanism is mounted to the fixture via a mid-back plate and is coupled to the heave adjustment mechanism; the middle back plate is provided with an assembling groove perpendicular to the lifting direction of the lifting adjusting mechanism, and the pitching adjusting mechanism is adjustably assembled in the assembling groove.

The pitching adjusting mechanism is stably assembled on the fixed clamp through the middle back plate, and the stable connection between the pitching adjusting mechanism and the lifting adjusting mechanism is realized; the middle back plate is provided with an assembling groove perpendicular to the lifting direction, so that the steering gear with larger specification has more flexible adjusting stroke during clamping.

In some embodiments, each of the back plate clips is provided with a mounting slot for mounting a corresponding steering gear.

The mounting groove is formed in the back plate clamp, so that the corresponding interface clamp of the steering gear can be stably mounted.

In some embodiments, the fixed base plate is provided with a first extension groove perpendicular to a lifting direction of the lifting adjustment mechanism; and a second extension groove which is perpendicular to the lifting direction and is crossed with the first extension groove is arranged at the bottom of the fixing clamp, and the second extension groove and the first extension groove are locked through a fastener.

The first extension groove and the second extension groove which are crossed and perpendicular to the lifting direction are used for realizing flexible position adjustment of the fixing clamp on the plane where the fixing substrate is located.

In some embodiments, the bottom of the fixing clip is formed in a disc structure, and the second extension groove is formed in an arc-shaped groove.

Through the design of the arc-shaped groove formed in the disc structure, the mounting position of the fixing clamp on the plane where the fixing base plate is located can be conveniently and flexibly adjusted in a rotating mode, and adjustment along the linear direction is not needed.

In some embodiments, the plurality of said back plate clamps comprises a first back plate clamp for clamping a column type electric power steering gear and a second back plate clamp for clamping a belt driven electric power steering gear and a rack assisted electric power steering gear; the second back plate clamp is assembled to the fixing clamp through the pitch adjusting mechanism.

The steering device fixing tool is matched with the type of the current mainstream electric power steering device through a first back plate clamp for clamping the CD-EPS and a second back plate clamp for clamping the BD-EPS and the RD-EPS, and can be applied to performance test of various types of electric power steering devices; and the second back plate clamp is assembled on the fixed clamp through the pitching adjusting mechanism, so that the BD-EPS and the RD-EPS with larger specifications can flexibly adjust the pitching angle during clamping, and the clamping accuracy is ensured.

Compared with the prior art, the utility model beneficial effect include at least:

the utility model discloses a fixed frock of steering gear through the mounting fixture, can realize being on a parallel with the position adjustment of fixed base plate, through lift adjustment mechanism, can realize the position adjustment perpendicular to the fixed base plate, through mounting fixture and lift adjustment mechanism, can drive the flexible adjusting position of backplate anchor clamps in the three-dimensional direction of relative fixed base plate, ensure with the adaptation connection of the interface anchor clamps of corresponding steering gear; the steering gear fixing tool can clamp steering gears of different specifications through a plurality of back plate clamps, and the back plate clamps are assembled on corresponding assembling surfaces of the fixing clamps and connected with the lifting adjusting mechanism, so that the compact structural design of the steering gear fixing tool is realized; in addition, at least the largest-size backboard clamp is assembled on the fixed clamp through the pitching adjusting mechanism, so that the pitching angle adjustment during the clamping of the largest-size steering gear can be realized, and the accurate clamping of the largest-size steering gear is ensured;

therefore, the utility model discloses a frock is fixed to steering gear can the steering gear of the different specifications of adaptation to the position gesture of the steering gear of clamping is adjusted as required to the convenience, with the improvement measuring accuracy, and need not to change fixed frock when testing the steering gear of different specifications, with improvement efficiency of software testing.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic perspective view illustrating a steering gear fixing tool according to an embodiment of the present invention;

fig. 2 is a schematic front view of a steering gear fixing tool according to an embodiment of the present invention;

fig. 3 shows a schematic top view structure diagram of the steering gear fixing tool in the embodiment of the present invention.

The main reference numbers:

10. fixed substrate

20. Fixing clamp

220. Lifting guide rail

30. Lifting adjusting mechanism

40. Back plate clamp

40a first back plate clamp

40b second Back plate clip

50. Pitching adjusting mechanism

52. Arc guide rail

53. Arc arm lock

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.

The use of "first," "second," and similar terms in the detailed description is not intended to imply any order, quantity, or importance, but rather is used to distinguish one element from another. It should be noted that features of the embodiments and different embodiments of the present invention may be combined with each other without conflict.

Fig. 1 shows a three-dimensional structure of a fixing tool for a steering gear in an embodiment of the present invention, fig. 2 shows a front view structure of the fixing tool for the steering gear, and fig. 3 shows a top view structure of the fixing tool for the steering gear; combine fig. 1 to fig. 3 to show, the embodiment of the utility model provides a frock is fixed to steering gear includes:

a fixing jig 20 mounted on the fixing substrate 10 and adjustable in parallel to the fixing substrate 10;

a lifting adjusting mechanism 30, which is assembled on the fixing jig 20 and can be lifted and lowered 10 perpendicularly to the fixed substrate;

the fixing clamp 20 is provided with a plurality of assembling surfaces 22, each assembling surface 22 is provided with a lifting guide rail 220, and the back plate clamps 40 are assembled on the corresponding lifting guide rails 220 and connected with the lifting adjusting mechanisms 30;

a pitch adjustment mechanism 50, at least the largest size of the plurality of backpanel clamps 40 being assembled to the stationary clamp 20 by the pitch adjustment mechanism 50.

The position adjustment parallel to the fixed substrate 10 can be realized by the fixing jig 20, and the fixing jig 20 can specifically adjust its mounting position in the X-Y plane parallel to the fixed substrate 10; the position adjustment perpendicular to the fixed substrate 10 can be realized by the elevation adjustment mechanism 30, and the elevation adjustment mechanism 30 can be specifically elevated along the Z axis perpendicular to the fixed substrate 10. Therefore, the fixing clamp 20 and the lifting adjusting mechanism 30 can drive the back plate clamp 40 to flexibly adjust the position in the X-Y-Z three-dimensional direction relative to the fixing substrate 10, so as to ensure the adaptive connection with the interface clamp of the corresponding steering gear.

Through a plurality of back plate anchor clamps 40, can the steering gear of different specifications (the steering gear specifically passes through interface anchor clamps clamping to back plate anchor clamps 40), and the mode that back plate anchor clamps 40 assemble in the corresponding mounting surface 22 of mounting fixture 20 and are connected with lift adjustment mechanism 30 realizes the compact structural design of the fixed frock of steering gear.

In addition, at least the largest-size backboard clamp is assembled on the fixed clamp 20 through the pitching adjusting mechanism 50, so that the pitching angle adjustment during the clamping of the largest-size steering gear can be realized; the largest-size steering gear is limited in space and cannot be horizontally installed normally when being connected with an input shaft and other components in a test, the pitching angle of the largest-size steering gear can be adjusted as required when the largest-size steering gear is clamped through the pitching adjusting mechanism 50, accurate clamping of the largest-size steering gear is guaranteed, and the largest-size steering gear can be accurately connected with the input shaft and other components.

Therefore, the steering gear fixing tool can be adapted to steering gears of different specifications, the position and the posture of the clamped steering gear can be conveniently adjusted as required through the adjustment of the fixing clamp 20, the lifting adjusting mechanism 30 and the pitching adjusting mechanism 50, the accurate connection with an interface clamp of the steering gear is realized, the testing precision is improved, the fixing tool does not need to be replaced when the steering gears of different specifications are tested, and the testing efficiency is improved.

In some embodiments, the fixing clip 20 is formed as a frame-shaped bracket (see fig. 1, the non-illustrated portion of the fixing clip 20 is a hollow structure); the lifting adjusting mechanism 30 has an operating portion (reference numeral 30 in fig. 1 to 3, i.e., the operating portion of the lifting adjusting mechanism) disposed outside the frame-shaped support and a lifting portion (not specifically shown) accommodated in the frame-shaped support, and the back plate clamp 40 is connected to the lifting portion.

The lifting part of the lifting adjusting mechanism 30 is accommodated by the fixing clamp 20 in the form of a frame-shaped bracket, so that the compact structural design and the stable matching connection between the lifting adjusting mechanism 30 and the fixing clamp 20 are realized; in addition, the operation portion disposed outside the frame-shaped support can conveniently operate the lifting adjustment mechanism 30.

In some embodiments, the operating portion comprises an operating handle and the lifting portion comprises a screw mechanism. When the height of the back plate clamp 40 needs to be adjusted, the operating handle is rotated, and the back plate clamp 40 is driven to lift through the screw rod mechanism. The lifting adjusting mechanism 30 can be conveniently controlled to lift through the operating handle; through the screw rod mechanism, the back plate clamp 40 can be driven to stably and precisely lift.

In some embodiments, the pitch adjustment mechanism 50 includes: a fixed seat 51 assembled on the fixing clamp 20 and provided with an arc-shaped guide rail 52; and the arc-shaped clamping arms 53 are movably assembled on the arc-shaped guide rails 52 and clamp the corresponding back plate clamps 40.

The central axes R of the arc-shaped guide rail 52 and the arc-shaped clip arm 53 are parallel to the fixed base plate 10, and the pitch angle of the corresponding back plate clip 40 relative to the fixed base plate 10 is adjusted by the cooperation of the arc-shaped clip arm 53 and the arc-shaped guide rail 52.

In some embodiments, the arc-shaped outer wall of the arc-shaped clamping arm 53 is provided with a first gear 54, and the fixed seat 51 is provided with a second gear 55 in meshing transmission with the first gear 54.

The arc-shaped clamping arms 53 can stably move along the arc-shaped guide rails 52 through the meshing transmission of the first gear 54 and the second gear 55, so that the clamped back plate clamp 40 is driven to be adjusted in pitch.

In some embodiments, pitch adjustment mechanism 50 is mounted to fixture 20 via a midplane 60 and is connected to heave adjustment mechanism 30; the center back plate 60 is provided with a fitting groove 600 perpendicular to the elevating direction of the elevation adjusting mechanism 30, and the pitch adjusting mechanism 50 is adjustably fitted to the fitting groove 600.

The pitch adjusting mechanism 50 is stably assembled to the fixing jig 20 through the middle back plate 60, and stable connection of the pitch adjusting mechanism 50 and the elevation adjusting mechanism 30 is achieved; in addition, through the assembly groove 600 of the middle back plate 60, the steering gear with a large clamping specification has a more flexible adjusting stroke in the Y-axis direction.

In some embodiments, each backplane fixture 40 is provided with a mounting slot 400 for mounting a corresponding diverter. The mounting groove 400 provided by the back plate clamp 40 can be used for stably mounting the interface clamp of the corresponding steering gear. The interface clamp of the corresponding steering gear and the mounting groove 400 can be fixedly mounted through bolts.

In some embodiments, the fixing base plate 10 is provided with a first extension groove 11 perpendicular to the lifting direction of the lift adjusting mechanism 30; the bottom of the fixing clamp 20 is provided with a second extension groove 24 perpendicular to the lifting direction and intersecting with the first extension groove 11, and the second extension groove 24 and the first extension groove 11 are locked by a fastener.

The first extension groove 11 and the second extension groove 24 intersecting each other in a direction perpendicular to the lifting direction (Z-axis direction) allow the fixing jig 20 to be flexibly adjusted in position in the plane (X-Y plane) in which the fixing substrate 10 is placed.

In some embodiments, the bottom of the fixing clip 20 is formed in a disc structure, and the second extension groove 24 is formed in an arc-shaped groove. Through the design of the arc-shaped groove formed in the disc structure, the installation position of the fixing clamp 20 on the plane of the fixing substrate 10 can be conveniently and flexibly adjusted in a rotating mode without being adjusted along the linear direction. And for a steering gear of a large specification, the attitude with respect to the fixed base plate 10 can be accurately adjusted by the pitch angle adjustment of the pitch adjustment mechanism 50 and the swing angle adjustment of the fixing jig 20 to ensure accurate measurement.

In some embodiments, the plurality of backing clamps 40 includes a first backing clamp 40a for clamping a tube-column electric power steering (CD-EPS) and a second backing clamp 40b for clamping a belt-driven electric power steering (BD-EPS) and a rack-assist electric power steering (RD-EPS); the second back plate jig 40b is assembled to the fixing jig 20 through the pitch adjustment mechanism 50.

The steering device fixing tool is matched with the type of the current mainstream electric power steering device through a first back plate clamp 40a for clamping the CD-EPS and a second back plate clamp 40b for clamping the BD-EPS and the RD-EPS, and can be applied to performance tests of various types of electric power steering devices; and the second back plate clamp 40b is assembled on the fixing clamp 20 through the pitching adjusting mechanism 50, so that the BD-EPS and the RD-EPS with larger specifications can flexibly adjust the pitching angle during clamping, and the clamping accuracy is ensured.

When the CD-EPS is clamped, the interface clamp for fixing the CD-EPS can be fixed to the first back plate clamp 40a through bolts; when the BD-EPS/RD-EPS is clamped, a special interface clamp is also adopted and is fixed to the second back plate clamp 40b through bolts.

Further, the back plate jig 40 shown in fig. 1 to 3 includes two, i.e., a first back plate jig 40a and a second back plate jig 40b; in other embodiments, the back plate holders 40 may be provided in other numbers, for example, the back plate holders 40 may be provided on the four mounting surfaces of the fixing holder 20, so long as they are staggered so as not to interfere with each other, and the steering gear to which the back plate holders 40 are adapted may be other types of steering gear.

To sum up, the utility model discloses a frock is fixed to steering gear through mounting fixture 20, lift adjustment mechanism 30, backplate anchor clamps 40 and 50 cooperations of every single move adjustment mechanism, can the steering gear of the different specifications of adaptation to can conveniently adjust the position gesture of the steering gear of clamping as required, with improve the measuring accuracy, and need not to change fixed frock when testing the steering gear of different specifications, with improvement efficiency of software testing.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model discloses to the ordinary skilled person in technical field's the prerequisite that does not deviate from the utility model discloses under the design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a frock is fixed to steering gear which characterized in that includes:

the fixed clamp is arranged on the fixed base plate and can be adjusted in parallel to the fixed base plate;

the lifting adjusting mechanism is assembled on the fixed clamp and can lift and fall perpendicular to the fixed base plate;

the fixing clamp is provided with a plurality of assembling surfaces, each assembling surface is provided with a lifting guide rail, and the backboard clamps are assembled on the corresponding lifting guide rails and connected with the lifting adjusting mechanisms;

and at least the largest-size back plate clamp in the plurality of back plate clamps is assembled on the fixed clamp through the pitching adjusting mechanism.

2. The steering gear fixing tool according to claim 1, wherein the fixing clamp is formed as a frame-shaped bracket;

the lifting adjusting mechanism is provided with an operating part arranged outside the frame-shaped support and a lifting part accommodated in the frame-shaped support, and the backboard clamp is connected with the lifting part.

3. The steering gear fixing tool according to claim 2, wherein the operating portion comprises an operating handle, and the lifting portion comprises a screw mechanism.

4. The steering gear fixing tool according to claim 1, wherein the pitch adjusting mechanism comprises:

the fixing seat is assembled on the fixing clamp and is provided with an arc-shaped guide rail;

and the arc-shaped clamping arms are movably assembled on the arc-shaped guide rails and clamp the corresponding backboard clamp.

5. The steering gear fixing tool according to claim 4, wherein a first gear is arranged on the arc-shaped outer wall of the arc-shaped clamping arm, and a second gear in meshing transmission with the first gear is arranged on the fixing seat.

6. The steering gear fixing tool according to claim 1, wherein the pitching adjusting mechanism is assembled to the fixing clamp through an intermediate back plate and connected with the lifting adjusting mechanism;

the middle back plate is provided with an assembling groove perpendicular to the lifting direction of the lifting adjusting mechanism, and the pitching adjusting mechanism is adjustably assembled in the assembling groove.

7. The steering gear fixing tool according to claim 1, wherein each back plate clamp is provided with a mounting groove for mounting a corresponding steering gear.

8. The steering gear fixing tool according to claim 1, wherein the fixing base plate is provided with a first extending groove perpendicular to a lifting direction of the lifting adjusting mechanism;

and a second extension groove which is perpendicular to the lifting direction and is crossed with the first extension groove is arranged at the bottom of the fixing clamp, and the second extension groove and the first extension groove are locked through a fastener.

9. The steering gear fixing tool according to claim 8, wherein the bottom of the fixing clamp is formed into a disc structure, and the second extending groove is formed into an arc-shaped groove.

10. The steering gear fixing tool according to any one of claims 1 to 9, wherein the plurality of back plate clamps comprise a first back plate clamp for clamping a column type electric power steering gear and a second back plate clamp for clamping a belt transmission type electric power steering gear and a rack bar power-assisted electric power steering gear;

the second back plate clamp is assembled to the fixing clamp through the pitch adjusting mechanism.