CN203203507U - Detection device for steering column bottom portion mounting support - Google Patents

Abstract

The utility model discloses a detection device for a mounting bracket at the lower part of a steering column, and provides a mounting bracket at the lower part of a steering column which can effectively control the position and dimension accuracy of the rotating shaft at the lower part of the steering column to the crossbeam connection block at the lower part of the steering column detection device. Including the bottom plate, the positioning bracket and the detection support are fixedly installed on the bottom plate, the upper casing concave groove is arranged on the positioning bracket, and a concave notch is provided at the upper end of the detection support, and the left end surface of the detection support and the There is a through hole between the right end faces, and the through hole intersects the concave notch perpendicularly, and a detection pin is movable in the through hole. After the detection pin is inserted into the through hole, the upper side of the detection pin reaches the inner bottom surface of the concave notch. The distance is equal to the distance from the inner surface of the lower rotating shaft of the steering column to the outer surface of the crossbeam connection block at the lower part of the steering column. The utility model is mainly used in the detection technology of steering column.

Description

A detection device for the mounting bracket of the lower part of the steering column

technical field

The utility model relates to the technical field of steering column detection, in particular to a detection device for a mounting bracket at the lower part of a steering column. the

Background technique

At present, in the assembly process of the steering column of the vehicle, due to the manufacturing error of the steering column, when the vehicle is assembling the steering column, the manufacturing error is prone to occur due to the position and size of the connecting block from the lower part of the steering column to the lower beam of the steering column. The manufacturing error of the steering column will affect the size deviation of the steering column during assembly, resulting in the problem that the steering column cannot be assembled in place after the vehicle is assembled. Redesigning the steering column will result in a lot of time and money wasted, which is not conducive to improving production efficiency. the

Chinese Patent Publication No. CN102607839A, the publication date is July 25, 2012, and the scheme titled "Automobile Steering Column Inspection Platform with Automatic Locking Fixture" discloses an automobile steering column inspection platform with automatic locking fixture, It includes a testing platform, a pressing device for fixing the steering column of the automobile on the testing platform, and a force applying device for the spline of the steering shaft. The front and rear compression automatic lock fixtures driven by the rear cylinder, the front and rear cylinders in the front and rear compression automatic lock fixtures respectively drive the front and rear pressure rods through the front and rear linkage frames to clamp the front of the automobile steering column. , rear platen assembly; the force applying device adopts the grasping automatic lock fixture driven by the driving cylinder, and the driving cylinder in the grasping automatic locking fixture drives the lock seat hinged through the link to move back and forth along the axis direction of the driving cylinder. At the same time, using The lock body fixed on the lock base and the lock plate hinged on the lock body, and through the fastening or opening of the lock catch on the upper part of the lock base and the lock plate, the grasping or loosening of the spline of the steering shaft is realized. open. The disadvantage is that the automobile steering column inspection platform with automatic lock fixtures has high equipment investment, cumbersome operation process, labor-intensive and time-consuming, which is not conducive to improving production efficiency. the

Utility model content

The utility model aims to solve the problems of high equipment investment, cumbersome operation process, time-consuming and labor-intensive operation of the existing automobile steering column detection platform with automatic lock fixtures, which is not conducive to improving production efficiency, and provides a device that can be produced on the steering column In the early stage, the position and dimensional accuracy of the lower shaft of the steering column to the connecting block of the lower beam of the steering column can be detected quickly and with high precision, and the position and dimensional accuracy of the lower shaft of the steering column to the connecting block of the lower beam of the steering column can be effectively tested. Control, the detection process is simple and quick, low cost, labor-saving and time-saving, a detection device for the lower mounting bracket of the steering column that can greatly improve production efficiency. the

In order to achieve the above object, the utility model adopts the following technical solutions:

A detection device for installing a bracket at the lower part of a steering column, including a base plate, on which a positioning bracket and a detection support are fixedly installed, a concave groove for an upper casing is provided on the positioning support, and a A concave notch, and the central axis of the concave groove of the upper casing and the central axis of the concave notch are in the same vertical plane perpendicular to the bottom plate, and a There is a through hole, and the through hole is vertically intersected with the concave notch, and a detection pin is movable in the through hole. After the detection pin is inserted into the through hole, the distance from the upper side of the detection pin to the inner bottom surface of the concave notch is equal to that of the steering tube The distance from the inner side of the shaft at the lower part of the column to the outer side of the crossbeam connection block at the lower part of the steering column.

Place the upper end of the steering column in the concave groove of the upper casing of the positioning bracket, place the lower end of the steering column in the concave notch of the detection support, and place the connecting block of the lower beam of the steering column horizontally in the concave groove. On the inner bottom surface of the notch, use the detection pin to pass through the through hole. If the upper side of the detection pin is just attached to the inner surface of the lower shaft of the steering column, it indicates the position of the connecting block between the lower shaft of the steering column and the crossbeam at the lower part of the steering column. The dimensional accuracy meets the design requirements; if the upper side of the detection pin cannot be attached to the inner surface of the lower shaft of the steering column, or the detection pin cannot pass through the through hole, then the position dimension of the connecting block from the lower shaft of the steering column to the lower beam of the steering column The accuracy does not meet the design requirements, and the steering column needs to be reprocessed. The detection process of the scheme is simple and fast, the cost is low, labor and time are saved, and the production efficiency can be greatly improved. the

Preferably, the through hole is rectangular, and the long side of the rectangular through hole is vertically downward, and the wide side of the lower end of the rectangular through hole is a downwardly concave arc edge, and the lower side of the detection pin is the same as Arc edges match arc faces. Such a through-hole design can expand the scope of application of this solution. Different types of steering columns have different distances from the inner surface of the lower shaft of the steering column to the outer surface of the connecting block of the lower beam of the steering column, as long as the inner surface of the lower shaft of the steering column is connected to the lower beam of the steering column Different types of steering columns can be tested by designing the height of the detection pin based on the distance from the outer surface of the block, and the expansion and use cost is low. the

Preferably, the end of the detection pin is tapered. The tapered surface is easy to detect pin insertion, and it is convenient and quick to use.

Preferably, the upper end surface of the detection pin is a plane. The upper end surface of the detection pin is in contact with the inner surface of the rotating shaft at the lower part of the steering column, and the surface-to-surface contact detection accuracy is higher and the detection accuracy is more reliable. the

Preferably, a compression seat is fixedly installed on the bottom plate between the positioning bracket and the detection support, and a compression lock pin is arranged on the compression seat. The compression lock pin can compress the steering column during the testing process, the testing accuracy is high, and it is safe and reliable, and the steering column will not slip from the positioning bracket and the testing support during the testing process. the

The utility model can achieve the following effects:

1. This scheme can quickly and high-precision detect the position and dimension accuracy of the steering column lower shaft to the steering column lower beam connection block in the early stage of steering column production, and realize the steering column lower shaft to steering tube. The position and dimensional accuracy of the beam connecting block at the lower part of the column can be effectively controlled.

2. The detection process of this scheme is simple and fast, with low cost, labor and time saving, and can greatly improve production efficiency. the

Description of drawings

Fig. 1 is a kind of structural representation when the utility model is used. the

Fig. 2 is a schematic diagram of the front view structure of a detection support of the present invention. the

Fig. 3 is a schematic diagram of a front view structure of a through hole of the present invention. the

In the figure: positioning bracket 1, bottom plate 2, detection support 3, through hole 4, inner bottom surface 5, steering column lower beam connection block 6, steering column lower shaft 7, concave notch 8, detection pin 9, steering tube Column 10, compression lock pin 11, compression seat 12, upper casing concave groove 13, long side 14, arc side 15. the

The specific embodiment

The technical solutions of the present utility model will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Embodiment: A detection device for installing a bracket at the lower part of a steering column, as shown in Figure 1, includes a bottom plate 2, a positioning bracket 1 and a detection support 3 are fixedly installed on the bottom plate, and an upper casing recess is arranged on the positioning bracket. shaped groove 13, as shown in Figure 2, a concave notch 8 is provided at the upper end of the detection support, and the central axis of the concave groove of the upper sleeve and the central axis of the concave notch are in the same vertical direction perpendicular to the bottom plate. In the plane, a through hole 4 is provided between the left end face and the right end face of the detection support, and the through hole intersects the concave notch perpendicularly, as shown in Figure 3, the through hole in this embodiment is rectangular and rectangular The long side 14 of the through hole is vertically downward, and the lower wide side of the rectangular through hole is a downwardly concave arc edge 15, and the through hole is designed as a rectangular through hole with the long side vertically downward. Such a design can Expand the scope of use of this embodiment. Different types of steering column 10 have different distances from the inner surface of the steering column lower rotating shaft 7 to the outer surface of the steering column lower beam connecting block 6, as long as the inner surface of the steering column lower rotating shaft to the steering column Different types of steering columns can be tested by designing the height of the detection pin based on the distance from the outer surface of the connecting block of the lower cross beam, and the expansion and use cost is low. A detection pin 9 is movable in the through hole. The lower side of the detection pin is an arc surface matched with the arc edge, and the end of the detection pin is a conical slope, which is easy to insert the detection pin and is easy to use. The upper end surface of the detection pin is flat, and the upper end surface of the detection pin is in contact with the inner surface of the rotating shaft at the lower part of the steering column, so that the surface-to-surface contact detection accuracy is higher and the detection accuracy is more reliable. After the detection pin is inserted into the through hole, the distance from the upper side of the detection pin to the inner bottom surface 5 of the concave notch is equal to the distance from the inner side of the lower rotating shaft of the steering column to the outer side of the lower beam connecting block of the steering column. A compression seat 12 is fixedly installed on the bottom plate between the positioning bracket and the detection support, and a compression lock pin 11 is arranged on the compression seat, and the compression lock pin can compress the steering column during the detection process , the test has high precision, and is safe and reliable. During the test, the steering column will not slip from the positioning bracket and the detection support. the

When in use, as shown in Figure 1, first place the upper end of the steering column 10 in the concave groove of the upper casing of the positioning bracket, place the lower end of the steering column in the concave notch of the detection support, and turn the steering The lower crossbeam connection block 6 of the pipe column is placed horizontally on the inner bottom surface of the concave notch; then the steering pipe column is pressed tightly with the compression lock pin 11 on the compression seat 12, so that the steering pipe column does not move during the test process, ensuring The reliability and safety of the test; then use the detection pin to pass through the through hole. If the upper side of the detection pin is just attached to the inner surface of the lower shaft of the steering column, it means that the lower shaft of the steering column is connected to the lower beam of the steering column. The position and dimensional accuracy of the block meet the design requirements; if the upper side of the detection pin cannot be attached to the inner surface of the lower shaft of the steering column, or the detection pin cannot pass through the through hole, it means that the connecting block between the lower shaft of the steering column and the lower beam of the steering column The position and dimensional accuracy of the steering column does not meet the design requirements, and the steering column needs to be reprocessed. the

The detection process of this embodiment is simple and quick, low in cost, saves labor and time, and can greatly improve production efficiency. the

The embodiments of the utility model are described above with reference to the accompanying drawings, but the implementation is not limited by the above embodiments, and those skilled in the art can make various changes or modifications within the scope of the appended claims. the

Claims (5)

1. A detection device for a mounting bracket at the lower part of a steering column, comprising a bottom plate (2), characterized in that a positioning bracket (1) and a detection support (3) are fixedly installed on the bottom plate, and an upper Sleeve concave groove (13), a concave notch (8) is provided at the upper end of the detection support, and the central axis of the upper casing concave groove and the central axis of the concave notch are at the same In the vertical plane perpendicular to the bottom plate, a through hole (4) is provided between the left end face and the right end face of the detection support, and the through hole intersects the concave notch vertically, and a detection pin (9) is movable in the through hole ), after the detection pin is inserted into the through hole, the distance from the upper side of the detection pin to the inner bottom surface (5) of the concave notch is equal to the inner side of the steering column lower shaft (7) to the steering column lower beam connection block (6) the distance from the outer side of the . 2. The detection device for the mounting bracket at the lower part of the steering column according to claim 1, characterized in that, the through hole is rectangular, and the long side (14) of the rectangular through hole is vertically downward, and has a shape of The wide side at the lower end of the rectangular through hole is a downwardly concave arc edge (15), and the lower side of the detection pin is an arc surface matching the arc edge. 3 . The detection device for the mounting bracket at the lower part of the steering column according to claim 1 , wherein the end of the detection pin is conical and inclined. 4 . 4. The detection device for the mounting bracket at the lower part of the steering column according to claim 1, 2 or 3, wherein the upper end surface of the detection pin is a plane. 5. The detection device for the mounting bracket at the lower part of the steering column according to claim 1, characterized in that a pressing seat (12) is fixedly installed on the bottom plate between the positioning bracket and the detection support, The seat is provided with a compression lock pin (11).

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