CN213516362U

CN213516362U - Utensil is examined to car power assisted steering system transmission shaft

Info

Publication number: CN213516362U
Application number: CN202023090840.1U
Authority: CN
Inventors: 余德化; 魏光辉
Original assignee: Kunshan Lirenyi Precision Machinery Co ltd
Current assignee: Kunshan Lirenyi Precision Machinery Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-06-22
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a belonging to the technical field of automobile transmission shaft production, in particular to an automobile power steering system transmission shaft checking fixture, which comprises a base, a fixing mechanism and a detecting mechanism, wherein the fixing mechanism comprises a fixing seat, a left connecting seat, a right connecting seat, a left positioning column, a right positioning column, a sliding rail, a sliding seat, a moving seat and a bolt, the fixing seat and the sliding rail are respectively arranged at the left side and the right side of the top of the base, the sliding seat is connected on the sliding rail in a sliding way, the moving seat is arranged on the sliding seat, the left connecting seat and the right connecting seat are respectively arranged on the fixing seat and the moving seat, the left positioning column and the right positioning column are respectively inserted in the left connecting seat and the right connecting seat, the utility model is provided with the detecting mechanism, a torque motor drives a lifting plate to ascend, the detection function is more abundant.

Description

Utensil is examined to car power assisted steering system transmission shaft

Technical Field

The utility model relates to an automobile transmission shaft production technical field specifically is an utensil is examined to car power assisted steering system transmission shaft.

Background

The vehicle steering system is an important chassis structure in an automobile, and with the improvement of the driving comfort and safety requirements of the automobile and the continuous development of the steering technology, the power-assisted steering has gradually replaced the traditional mechanical steering. The middle transmission shaft is the important component part of car electric power assisted steering system, along with electric power assisted steering system's use is more and more, and the quality requirement of its product also promotes gradually, and current utensil function of examining to the transmission shaft is comparatively single, can only detect the size of transmission shaft, can not detect the bearing capacity of transmission shaft, and current utensil of examining can't fix the transmission shaft of unidimensional not, uses and receives certain restriction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an utensil is examined to car power assisted steering system transmission shaft to the function that proposes in solving above-mentioned background art is comparatively single, can not detect the bearing capacity of transmission shaft, can't fix the transmission shaft of unidimensional not, uses the problem that receives certain restriction.

In order to achieve the above object, the utility model provides a following technical scheme: a transmission shaft checking fixture for an automobile power-assisted steering system comprises a base, a fixing mechanism and a detecting mechanism, wherein the fixing mechanism comprises a fixed seat, a left connecting seat, a right connecting seat, a left positioning column, a right positioning column, a sliding rail, a sliding seat, a moving seat and a bolt, the fixed seat and the sliding rail are respectively arranged on the left side and the right side of the top of the base, the sliding seat is connected on the sliding rail in a sliding way, the moving seat is arranged on the sliding seat, the left connecting seat and the right connecting seat are respectively arranged on the fixed seat and the moving seat, the left positioning column and the right positioning column are respectively inserted in the left connecting seat and the right connecting seat, the detecting mechanism comprises a guide column, a supporting table, a torque motor, a lifting plate, a traction belt, a balancing weight, a supporting column and an impact head, movable grooves I are longitudinally arranged on the left, the middle part is vertically provided with a second movable groove in the supporting table, the bottom of the supporting column is connected with the middle part of the top of the lifting plate, the balancing weight is sleeved on the outer wall of the supporting column, the impact head is installed in the middle of the bottom of the lifting plate, the top of the supporting column is connected with a traction ring, and an output shaft of the torque motor is connected with the traction ring through a traction belt.

Preferably, the left side and the right side of the bottom of the base are both provided with a cushioning seat, and the cushioning seats are rubber cushioning seats.

Preferably, a first slot is transversely formed in the connecting seat, an insertion block is connected to one end, close to the connecting seat, of the positioning column, the insertion block is inserted into the first slot, and a second slot is longitudinally formed in the connecting seat.

Preferably, the top and the bottom of the insertion block are longitudinally provided with a third movable groove, a socket is arranged in the third movable groove, the socket penetrates through the third movable groove and is clamped in the second slot, and the upper socket and the lower socket are connected through a spring.

Preferably, a third slot is longitudinally formed in the slide rail, a fourth slot matched with the third slot is longitudinally formed in the slide carriage, and the plug pin is inserted into the third slot and the fourth slot.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the utility model discloses be equipped with detection mechanism, torque motor drives the ascending decline of lifter plate through the traction band to detect the holding capacity of transmission shaft, can detect the size of transmission shaft through the cooperation between slide and the slide simultaneously, detect the function abundanter.

2) The utility model discloses a press the socket and make the socket shift out from slot two, can take the inserted block out from slot one to make reference column and connecting seat separation, change assorted reference column according to the size of transmission shaft, thereby solved and to have carried out the problem of fixing to unidimensional transmission shaft.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the socket structure of the present invention.

In the figure: the device comprises a base 1, a fixing seat 2, a connecting seat 3, a positioning column 4, a guide column 5, a supporting table 6, a lifting plate 7, a torque motor 8, a traction belt 9, a supporting column 10, a balancing weight 11, an impact head 12, a sliding rail 13, a sliding seat 14, a movable seat 15, a plug 16, a first slot 17, a second slot 18, a socket 19 and a spring 20.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: a transmission shaft detection tool for an automobile power-assisted steering system comprises a base 1, a fixing mechanism and a detection mechanism, wherein the fixing mechanism comprises a fixed seat 2, a left connecting seat 3, a right connecting seat 3, a left positioning column 4, a right positioning column 4, a sliding rail 13, a sliding seat 14, a moving seat 15 and a bolt 16, the fixed seat 2 and the sliding rail 13 are respectively installed on the left side and the right side of the top of the base 1, the sliding seat 14 is slidably connected onto the sliding rail 13, the moving seat 15 is installed on the sliding seat 14, the left connecting seat 3 and the right connecting seat 3 are respectively installed on the fixed seat 2 and the moving seat 15, the left positioning column 4 and the right positioning column 4 are respectively inserted into the left connecting seat 3 and the right connecting seat 3, one end of a transmission shaft is inserted into the outer wall of the left positioning column 4, the sliding seat 14 is moved, the lifting plate 7, the traction belt 9, the balancing weight 11, the supporting column 10 and the impact head 12, wherein a first movable groove is longitudinally arranged on the left side and the right side in the lifting plate 7, the guiding column 5 is inserted in the first movable groove, the top of the guiding column 5 is connected with the bottom of the supporting table 6, the torque motor 8 is arranged on the right side of the top of the supporting table 6, a second movable groove is longitudinally arranged in the middle of the supporting table 6, the bottom of the supporting column 10 is connected with the middle of the top of the lifting plate 7, the balancing weight 11 is sleeved on the outer wall of the supporting column 10, the impact head 12 is arranged in the middle of the bottom of the lifting plate 7, the top of the supporting column 10 is connected with the traction ring, the output shaft of the torque motor 8 is connected with the traction ring through the traction belt 9, the torque motor 8 cancels self-locking, the detection of the stress of the transmission bearing is completed, the torque motor 8 works to drive the supporting column 10 to ascend through the traction belt 9, and therefore the lifting plate 7 is driven to ascend and reset.

The shock absorption seat is arranged on the left side and the right side of the bottom of the base 1 and is a rubber shock absorption seat, and shock generated during impact can be absorbed and buffered.

A first slot 17 is transversely formed in the connecting seat 3, an insertion block is connected to one end, close to the connecting seat 3, of the positioning column 4, the insertion block is inserted into the first slot 17, and a second slot 18 is longitudinally formed in the connecting seat 3.

The top and the bottom of the plug block are longitudinally provided with a third movable groove, a socket 19 is arranged in the third movable groove, the socket 19 penetrates through the third movable groove and is clamped in the second slot 18, the upper socket and the lower socket are connected through a spring 20, the socket 19 is pressed to move out the socket 19 from the second slot 18, the plug block can be pulled out from the first slot 17, and therefore the positioning column 4 is separated from the connecting seat 3, and the matched positioning column 4 is replaced according to the size of the transmission shaft.

A third slot is longitudinally formed in the slide rail 13, a fourth slot matched with the third slot is longitudinally formed in the slide seat 14, and the plug 16 is inserted into the third slot and the fourth slot to position the slide seat 14 and prevent the slide seat 14 from moving.

The working principle is as follows: insert the one end of transmission shaft and establish in left reference column 4 outer wall, thereby remove slide 14 and make and remove seat 15 and remove, insert right side reference column 4 and establish in transmission shaft other end inner wall, insert bolt 16 activity groove three, accomplish the location in the activity groove four, torque motor 8 cancels the auto-lock, because the weight of balancing weight 11 self drives lifter plate 7 and descends rapidly, impact head 12 strikes on the transmission shaft surface, accomplish the detection, torque motor 8 work drives support column 10 through traction band 9 and rises, thereby drive lifter plate 7 and rise and reset, press socket 19 and make socket 19 shift out from slot two 18, can take out the inserted block from slot one 17, thereby make reference column 4 and connecting seat 3 separate, change assorted reference column 4 according to the size of transmission shaft.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an utensil is examined to car power assisted steering system transmission shaft, includes base (1), fixed establishment and detection mechanism, its characterized in that: the fixing mechanism comprises a fixed seat (2), a left connecting seat and a right connecting seat (3), a left positioning column and a right positioning column (4), a sliding rail (13), a sliding seat (14), a moving seat (15) and a bolt (16), wherein the fixed seat (2) and the sliding rail (13) are respectively arranged on the left side and the right side of the top of the base (1), the sliding seat (14) is connected on the sliding rail (13) in a sliding way, the moving seat (15) is arranged on the sliding seat (14), the left connecting seat and the right connecting seat (3) are respectively arranged on the fixed seat (2) and the moving seat (15), the left positioning column and the right positioning column (4) are respectively inserted into the left connecting seat and the right connecting seat (3), the detection mechanism comprises a guide column (5), a support table (6), a torque motor (8), a lifting plate (7), a traction belt (9), a balancing weight (11), a support column (10) and an impact head, guide post (5) are inserted and are established in activity groove one, guide post (5) top and brace table (6) bottom are connected, torque motor (8) are installed on brace table (6) top right side, activity groove two has vertically been seted up at the middle part in brace table (6), support column (10) bottom and lifter plate (7) top intermediate junction, the outer wall at support column (10) is established in balancing weight (11) cover, strike head (12) and install in the middle of lifter plate (7) bottom, support column (10) top is connected with the traction ring, the output shaft of torque motor (8) is connected with the traction ring through traction area (9).

2. The automobile power steering system transmission shaft inspection tool according to claim 1, characterized in that: the damping seat is installed on the left side and the right side of the bottom of the base (1) and is a rubber damping seat.

3. The automobile power steering system transmission shaft inspection tool according to claim 1, characterized in that: a first slot (17) is transversely formed in the connecting seat (3), an inserting block is connected to one end, close to the connecting seat (3), of the positioning column (4), the inserting block is inserted into the first slot (17), and a second slot (18) is longitudinally formed in the connecting seat (3).

4. The automobile power steering system transmission shaft inspection tool according to claim 3, characterized in that: the top and the bottom of the insertion block are longitudinally provided with a third movable groove, a socket (19) is arranged in the third movable groove, the socket (19) penetrates through the third movable groove to be clamped in the second slot (18), and the upper socket and the lower socket are connected through a spring (20).

5. The automobile power steering system transmission shaft inspection tool according to claim 1, characterized in that: a third slot is longitudinally formed in the sliding rail (13), a fourth slot matched with the three phases of the slots is longitudinally formed in the sliding seat (14), and the plug pin (16) is inserted into the third slot and the fourth slot.