CN210718989U - Comprehensive detection tool for detecting position degree and left and right piece symmetry degree of steering knuckle - Google Patents

Abstract

The utility model relates to a technical field of utensil is examined to the automobile steering knuckle, especially relate to a comprehensive utensil of examining that the position degree of steering knuckle and left and right parts symmetry detected, its simple structure, improve production efficiency, align the central locating shaft with the right part from examining the utensil both sides respectively, make central locating shaft terminal surface and work piece centre bore plane contact, after the locating pin location, use the detection pin to detect the position degree of steering knuckle and left and right parts symmetry, realized detecting left and right parts simultaneously, improved the integration of process inspection, and can detect the symmetry of left and right parts key position, improved the detection precision; the detection device comprises a bottom plate, an upright plate, a bolt positioning plate, a detection pin and a positioning pin, wherein the upright plate is fixed at the upper end of the bottom plate, a transverse central positioning shaft is symmetrically arranged at the left end and the right end of the upright plate, a first detection pin hole and a positioning pin hole which transversely penetrate through the upright plate are further formed in the upright plate, the bolt positioning plate is symmetrically arranged at two sides of the upright plate, the bolt positioning plate is fixed with the bottom plate, and a second detection pin hole is formed.

Description

Comprehensive detection tool for detecting position degree and left and right piece symmetry degree of steering knuckle

Technical Field

The utility model relates to an utensil is examined to auto steering knuckle technical field especially relates to an utensil is examined in synthesis that the position degree of knuckle and left and right parts symmetry detected.

Background

The steering knuckle is one of important parts in a steering axle, can enable an automobile to stably run and sensitively transmit the running direction, and has the functions of bearing the front side load of the automobile, supporting and driving a front wheel to rotate around a main pin so as to enable the automobile to steer. The general rear steering knuckle is connected with the vehicle body through three bushings and two bolts, and is connected with a brake system through a brake mounting hole of a flange plate. Under the running state of an automobile, the steering knuckle bears changeable impact load, so higher requirements on the precision of the steering knuckle are put forward in production, and in the prior art, the steering knuckle has a complex structure, a special shape and a plurality of space sizes, so that a product steering knuckle needs to correspond to a specific comprehensive testing tool. The comprehensive detection tool for the existing steering knuckle is characterized in that a left part and a right part are separately detected on two different detection tools, so that the detection tools are high in manufacturing cost, long in detection time, inconvenient to carry and space-occupying, and the left part and the right part are separately detected and cannot detect the symmetry of the key size of the left part and the right part.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a simple structure, the position degree of the knuckle that improves production efficiency and the comprehensive utensil of examining of controlling a symmetry degree detection have realized controlling the piece that detects simultaneously, have improved the integration of process inspection to can detect the symmetry of controlling a key position, improve and detect the precision.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a comprehensive checking fixture for detecting the position degree and the left and right piece symmetry degree of a steering knuckle comprises a bottom plate, an upright plate, a bolt positioning plate, a detection pin and a positioning pin, wherein the upright plate is fixed at the upper end of the bottom plate, the left end and the right end of the upright plate are symmetrically provided with a transverse central positioning shaft, the upright plate is also provided with a first detection pin hole and a positioning pin hole which transversely penetrate through the upright plate, the bolt positioning plate is symmetrically arranged at two sides of the upright plate, the bolt positioning plate is fixed with the bottom plate, the upper end of the upright plate is provided with a second detection pin hole, and the detection pin is used for matching with the first detection pin hole or the second detection pin hole to detect the; the positioning pin is used for being matched with the positioning pin hole and used for positioning of steering knuckle detection.

In a possible technical scheme, the automobile steering knuckle detection device further comprises a transverse plate, wherein the transverse plate is fixed at the upper end of the vertical plate, two third detection pin holes which are symmetrical on two sides of the vertical plate are formed in the transverse plate, and the detection pins comprise detection pins which are matched with the third detection pin holes and used for detecting the position degree of the steering knuckle and the symmetry degree of a left piece and a right piece.

In a possible technical scheme, handles are arranged at the left end and the right end of the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that: the left part and the right part are aligned to the central positioning shaft from two sides of the checking fixture respectively, the end face of the central positioning shaft is in plane contact with a central hole of a workpiece, after the central positioning shaft is positioned by the positioning pin, the position degree and the symmetry degree of the left part and the right part of the steering knuckle are detected by using the detection pin, the checking fixture is changed from a split type of the traditional concept into an integral type, the structure is simple, the left part and the right part are detected simultaneously, the integration of process inspection is greatly improved, the symmetry of key positions of the left part and the right part can be detected, the detection precision is improved, the weight of the integral checking fixture can be obviously reduced, the carrying of the checking fixture is facilitated, the manufacturing cost of the checking fixture is reduced, the using method of the checking fixture is.

Drawings

Fig. 1 is a schematic structural diagram of a use state of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a no-workpiece state according to an embodiment of the present invention;

FIG. 3 is a schematic front view of the structure of FIG. 2;

FIG. 4 is a schematic sectional view taken along the line A-A of FIG. 3;

FIG. 5 is a side view schematic of the structure of FIG. 1;

fig. 6 is a schematic structural diagram of the embodiment of the present invention in which the detecting pin is not included in the use state.

Reference numerals: 1-a bottom plate; 2-a vertical plate; 3-a bolt positioning plate; 4-a detection pin; 5-positioning pins; 6-a central positioning shaft; 7-a first detection pin hole; 8-positioning pin holes; 9-a second detection pin hole; 10-a transverse plate; 11-a third inspection pin hole; 12-a handle.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 2, the utility model discloses a comprehensive detection tool for detecting the position degree and the left and right symmetry degree of a steering knuckle, which comprises a bottom plate 1, an upright plate 2, a bolt positioning plate 3, a detection pin 4 and a positioning pin 5, wherein the upright plate 2 is fixed at the upper end of the bottom plate 1, a transverse central positioning shaft 6 is symmetrically arranged at the left and right ends of the upright plate, a first detection pin hole 7 and a positioning pin hole 8 which transversely penetrate through the upright plate are also arranged on the upright plate 2, the bolt positioning plate 3 is symmetrically arranged at the two sides of the upright plate, the bolt positioning plate 3 is fixed with the bottom plate 1, a second detection pin hole 9 is arranged at the upper end of the upright plate, and the detection pin 4 is used for matching with the first detection pin hole 7 or the; the positioning pin 5 is used for being matched with the positioning pin hole 8 and used for positioning the steering knuckle for detection; the central positioning shaft 6 is used for positioning a central hole of a workpiece, the central positioning shaft 6 is inserted into the central hole to realize the alignment of a left part and a right part, the central positioning shaft 6 of the checking fixture is longer than the central hole of the workpiece, and the central positioning shaft can be contacted with the bottom of the central hole of the workpiece after being inserted, so that the complete positioning of one surface and two pins is formed; the positioning pin 5 is matched with the positioning pin hole 8 to realize angle positioning of the steering knuckle detection at two sides; the detection pin 4 is matched with the first detection pin hole 7 or the second detection pin hole 9 to detect the position degree and the left and right piece symmetry degree of the steering knuckle, and all the detection pins 4 can be inserted into the first detection pin hole 7 or the second detection pin hole 9 which are matched with each other, so that the quality of the workpiece is judged to be qualified.

As shown in fig. 1 to 5, the checking fixture of the embodiment is designed for a knuckle with a model number of P33 PZ1A wide 1/AD2, an upright plate 2 is integrally connected with a bottom plate 1, the upright plate 2 is provided with 5 first detection pin holes 7 and 1 positioning pin hole 8 which are matched with holes on a flange plate of the knuckle, two groups of bolt positioning plates 3 are symmetrically arranged at two sides of the upright plate 2 and are respectively a first bolt positioning plate 3-1 and a second bolt positioning plate 3-2, and the upper ends of the first bolt positioning plate 3-1 and the second bolt positioning plate 3-2 are respectively provided with a second detection pin hole 9 which is matched with a hole on a fork frame part of the knuckle; the detection device is characterized by further comprising a transverse plate 10, wherein the transverse plate 10 is fixed at the upper end of the vertical plate 2, two third detection pin holes 11 which are symmetrical on two sides of the vertical plate 2 and matched with holes in a steering knuckle fork frame part are arranged on the transverse plate, and the detection pin 4 comprises a detection pin which is matched with the third detection pin holes 11 and used for detecting the position degree and the left and right piece symmetry degree of a steering knuckle; handles 12 are arranged at the left end and the right end of the bottom plate 1, and the bottom ends of the handles 12 are connected with the bottom plate 1 through nuts.

The utility model discloses utensil is examined in the synthesis that the position degree of knuckle and left and right parts symmetry detected, it is at the during operation, as shown in figure 1, figure 5 is shown, with left part and right part knuckle from examining a both sides counterpoint center location axle 6 respectively, let center location axle 6 inject in the centre bore, make 6 terminal surfaces of center location axle and work piece centre bore plane contact, insert location pinhole 8 through locating pin 5, pass two work piece location backs simultaneously, use the position degree that detects round pin 4 and left and right parts symmetry that detect the knuckle, all detection round pin 4 homoenergetic insert assorted first detection pinhole 7 or second detection pinhole 9 or third detection pinhole 11 and judge that the work piece quality is qualified promptly.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (3)

1. A comprehensive detection tool for detecting the position degree and the left-right piece symmetry degree of a steering knuckle is characterized by comprising a bottom plate (1), an upright plate (2), a bolt positioning plate (3), a detection pin (4) and a positioning pin (5), wherein the upright plate (2) is fixed at the upper end of the bottom plate (1), the left end and the right end of the upright plate are symmetrically provided with a transverse central positioning shaft (6), the upright plate is also provided with a first detection pin hole (7) and a positioning pin hole (8) which transversely penetrate through the central positioning shaft, the bolt positioning plate (3) is symmetrically arranged at two sides of the upright plate (2), the bolt positioning plate (3) is fixed with the bottom plate (1), the upper end of the bolt positioning plate is provided with a second detection pin hole (9), and the detection pin (4) is used for matching with the first detection pin hole (7) or the second detection pin hole (9) to detect the; the positioning pin (5) is used for being matched with the positioning pin hole (8) and used for positioning of steering knuckle detection.

2. The comprehensive detection tool for detecting the position degree and the left-right member symmetry degree of the steering knuckle according to claim 1, further comprising a transverse plate (10), wherein the transverse plate (10) is fixed at the upper end of the upright plate (2), two third detection pin holes (11) which are symmetrical on two sides of the upright plate (2) are formed in the transverse plate, and the detection pin (4) comprises a detection pin which is matched with the third detection pin holes (11) and is used for detecting the position degree and the left-right member symmetry degree of the steering knuckle.

3. The comprehensive testing tool for testing the location degree and the left-right piece symmetry degree of the steering knuckle as claimed in claim 2, characterized in that the bottom plate (1) is provided with handles (12) at the left end and the right end.

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