CN216668486U - Quick detection tool for automobile microwave radar support - Google Patents

Abstract

The utility model discloses a rapid inspection tool for an automobile microwave radar bracket, which comprises a microwave radar bracket body and a rapid inspection tool. A pin, a secondary positioning pin and a handle, wherein the microwave radar bracket is positioned on the inspection tool shape body through the main positioning pin and the second positioning pin, and the bottom of the inspection tool shape body is fixed on the base. The utility model has the advantages of simple structure and convenient operation, can quickly and effectively detect the spatial position of the hole on the radar bracket, and meets the requirements of batch detection.

Description

A rapid inspection tool for automobile microwave radar bracket

Technical field:

The utility model relates to the technical field of automobile parts detection, in particular to a rapid inspection tool for an automobile microwave radar bracket.

Background technique:

Automotive microwave radar is an electrical appliance, which measures the distance of the wave blocker by the round-trip time of the electromagnetic wave. This radar is installed on the car body through the automotive microwave radar bracket, and the installation accuracy of the radar on the bracket directly affects its measurement accuracy. This places stricter requirements on the spatial location of the relevant areas of the automotive microwave radar bracket.

As shown in Figure 8, the automotive microwave radar bracket is provided with main positioning holes, secondary positioning holes and special-shaped holes. The positions of the main positioning holes and the secondary positioning holes, especially the positions of the special-shaped holes relative to the main and auxiliary positioning holes, are three special-shaped holes. The relative positions of the holes require detection control to meet the needs of assembly and radar performance. In the prior art, most of the positions of the above-mentioned holes are measured by three-coordinates, that is, the measured parts are placed within the measurement space allowed by the three-coordinate measuring machine, and the points on the surface of the measured parts are accurately measured in three coordinate positions in space. The values of the coordinates of these points are processed by computer, and fitted to form measurement elements, such as circles, spheres, cylinders, cones, curved surfaces, etc., and their shape, position tolerance and other geometric data are obtained by mathematical calculation. This detection method has low efficiency and high cost, and cannot meet the requirements of batch detection.

Utility model content:

The technical problem to be solved by the utility model is that the special-shaped hole detection method of the prior art automobile microwave radar bracket has low efficiency and high cost, and cannot meet the requirements of batch detection. A simple structure and convenient operation are provided, which can quickly and effectively detect the radar bracket. The spatial position of the upper hole is a quick inspection tool for the automotive microwave radar bracket that meets the requirements of batch inspection.

In order to achieve the above purpose, the present utility model provides a rapid inspection tool for an automobile microwave radar bracket, which includes a microwave radar bracket body and a rapid inspection tool. A tool, a primary positioning pin, a secondary positioning pin and a handle, wherein the microwave radar bracket is positioned on the inspection tool body through the primary positioning pin and the secondary positioning pin, and the bottom of the inspection tool body is fixed on the base.

Preferably, the main part of the inspection tool shape body is the inspection tool surface, and the shape of the upper surface of the inspection tool surface is designed according to the theoretical shape of the microwave radar bracket, so that the radar bracket can be placed on the inspection tool without Interfere with the gage.

Further, the profile surface of the fixture is provided with a guide hole for guiding the main positioning pin, and this hole is a round hole; the profile surface of the fixture is also provided with a guide hole for guiding the secondary positioning pin 6, and this The hole is a "D"-shaped hole; there is also a guide hole for guiding the profiling detection pin on the profile surface of the gauge, and this hole is a "D"-shaped hole; three reference blocks are evenly arranged on the profile surface of the gauge. It is used to support the radar bracket; the reference block is magnetic, and under the action of the magnetic force, the microwave radar bracket is attracted to the inspection tool to achieve the function of fixing and clamping.

Further, the main positioning pin includes a handle A, a positioning shaft A, and a guiding shaft A, wherein the positioning shaft A and the guiding shaft A are round pins, and the guiding shaft A is clearance fit with the guiding hole on the inspection tool body, The guiding and positioning of the main positioning pin on the inspection tool body is realized; the positioning axis A cooperates with the main positioning hole of the microwave radar bracket to realize the main positioning of the microwave radar bracket on the inspection tool.

Further, the secondary positioning pin includes a handle B, a positioning shaft B, and a guide shaft B, wherein the guide shaft B is a "D"-shaped pin for clearance fit with the "D"-shaped guide hole on the inspection tool body. , to realize the guidance and positioning of the secondary positioning pin B on the inspection tool body. The positioning shaft B is designed as an oblong pin, which is convenient to cooperate with the oblong secondary positioning hole of the microwave radar bracket, so that the radar bracket can be installed on the inspection tool. secondary positioning.

Further, the profiling detection pin includes a handle C, a special-shaped shaft, and a guide shaft C, and the guide shaft C is a "D"-shaped pin for clearance fit with the "D"-shaped guide hole on the inspection tool body, To realize the guidance and positioning of the profiling detection pin on the inspection tool body, the profile of the profiled shaft is profiled according to the theoretical profile of the profiled hole on the microwave radar bracket, and its size is slightly smaller than that of the profiled hole.

Further, the hole group detection tool includes an L board, and three detection shafts are fixed on the L board. The shape of the detection shaft is designed according to the theoretical shape of the special-shaped hole on the microwave radar bracket, and its external size is slightly smaller than the size of the special-shaped hole. .

Compared with the prior art, the utility model has the following advantages after the above structure is adopted.

Description of drawings:

The following briefly describes the contents expressed in the drawings of this specification and the symbols in the drawings.

1 is a schematic diagram of a quick inspection tool for an automotive microwave radar bracket;

Fig. 2 is the schematic diagram of checking tool type body;

Figure 3 is a schematic diagram of the main positioning pin;

4 is a schematic diagram of a secondary positioning pin;

Fig. 5 is the schematic diagram of profiling detection pin;

6 is a schematic diagram of a hole group detection tool;

FIG. 7 is a schematic diagram of the radar bracket when it is detected on the inspection tool;

FIG. 8 is a schematic diagram of an automotive microwave radar bracket.

Detailed ways:

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments:

As shown in Figure 1, a quick inspection tool for an automotive microwave radar bracket includes a base 1, a inspection tool body 2, a profiling detection pin 3 (3 in total), a hole group detection tool 4, a main positioning pin 5, and a secondary positioning pin. 6. Handles 7 (2 in total), wherein the microwave radar bracket is positioned on the inspection tool body through the primary positioning pin 5 and the secondary positioning pin 6 , and the bottom of the inspection tool body 2 is fixed on the base 1 .

As shown in FIG. 2 , the main body of the gage form body 2 is the gage form face 21 . The shape of the upper surface of the inspection tool profile 21 is designed according to the theoretical shape of the microwave radar bracket, so that the radar bracket can be placed on the inspection tool without interfering with the inspection tool. The bottom of the inspection tool profile 21 is fixed on the base 1 . The inspection tool profile 21 is provided with a guide hole 22 for guiding the main positioning pin 5 , and the hole is a circular hole. The inspection tool profile 21 is also provided with a guide hole 23 for guiding the secondary positioning pin 6, and the hole is a "D"-shaped hole. The inspection tool profile 21 is also provided with guide holes 25 (three in total) for guiding the profiling detection pins 3, and the holes are "D"-shaped holes. Three reference blocks 24 are evenly arranged on the inspection tool profile 21 for supporting the radar bracket. The reference block is magnetic, and under the action of the magnetic force, the radar bracket is attracted to the inspection tool to achieve the function of fixed clamping.

As shown in FIG. 3 , the main positioning pin 5 is mainly divided into three parts: a handle A 51 , a positioning shaft A 52 , and a guide shaft A 53 . Both the positioning shaft A52 and the guide shaft A53 are round pins. The guide shaft A 53 is in clearance fit with the guide hole 22 on the inspection tool body 2 to realize the guiding and positioning of the main positioning pin 5 on the inspection tool body 2 . The positioning axis A 52 is matched with the main positioning hole of the microwave radar bracket to realize the main positioning of the radar bracket on the inspection tool.

As shown in FIG. 4 , the secondary positioning pin 6 is mainly divided into three parts: a handle B61 , a positioning shaft B62 , and a guide shaft B63 . The guide shaft B63 is a "D"-shaped pin, which is used for clearance fit with the "D"-shaped guide hole 23 on the inspection tool body 2 to realize the guidance and positioning of the secondary positioning pin 6 on the inspection tool body 2 (the position is unique, no rotation). The positioning shaft B62 is designed as an oblong pin, which is convenient to cooperate with the oblong secondary positioning hole of the radar bracket to realize the last positioning of the radar bracket on the inspection tool.

As shown in FIG. 5 , the profiling detection pin 3 is mainly divided into three parts: a handle C31 , a special-shaped shaft 32 , and a guide shaft C33 . The guide shaft C33 is a "D"-shaped pin, which is used for clearance fit with the "D"-shaped guide hole 25 on the inspection tool body 2 to realize the guidance and positioning of the copy detection pin 3 on the inspection tool body 2 (the position is unique). , there is no rotation). The shape of the special-shaped shaft 32 is designed according to the theoretical shape of the special-shaped hole on the radar bracket, and its external dimension is slightly smaller than the size of the special-shaped hole, which is equivalent to reducing the special-shaped hole. The special-shaped shaft 32 is used to detect whether the position of the special-shaped hole meets the design requirements.

As shown in FIG. 6 , the hole group detection tool 4 includes an L plate 41, and three detection shafts 42 are fixedly arranged on the L plate 41. The shape of the detection shaft 42 is designed according to the theoretical shape of the special-shaped hole on the radar bracket. If it is smaller than the size of the special-shaped hole, it is equivalent to reducing the special-shaped hole, and the specific reduction amount is determined by "the relative position tolerance between the three special-shaped holes". The detection shaft 42 is used to detect whether the "relative position between the three special-shaped holes" meets the design requirements.

With reference to Figures 1 to 8, a method for detecting a rapid inspection tool for an automotive microwave radar bracket is as follows:

(1) Aperture detection: use conventional pass-and-stop gauge detection. After passing the test, use the inspection tool to detect the position degree. The method is as follows: put the radar bracket on the inspection tool, rely on the three reference blocks 24 on the inspection tool to support, and adjust the position of the radar bracket so that the main positioning hole and the secondary positioning hole of the radar bracket are completely closed. The guide holes 22 and 23 on the inspection tool may be respectively aligned, and the primary positioning pin 5 and the secondary positioning pin 6 are respectively aligned with the primary positioning hole and the secondary positioning hole of the radar bracket to be inserted. If the primary locating pin 5 can be inserted into the primary locating hole and the guide hole 22, and the secondary locating pin 6 can be inserted into the secondary locating hole and the guide hole 23, the positions of the primary and secondary holes are qualified, otherwise, it is unqualified. When the positions of the two holes are qualified, the radar bracket is attracted by the magnet, thus realizing the positioning and fixing of the radar bracket on the inspection tool.

(2) Detection of the position degree of the special-shaped hole: The profiling detection pin 3 is inserted into the special-shaped hole of the radar bracket. If the guide shaft 33 passes through the guide hole 25 and the special-shaped shaft 32 can pass through the special-shaped hole, the position degree is qualified, otherwise, it is unqualified.

(3) Relative position detection between the three special-shaped holes: hold the L plate 41 of the hole group detection tool 4, and the three detection shafts 42 are aligned with the three special-shaped holes of the radar bracket to be inserted at the same time. The relative positions between the special-shaped holes are qualified, otherwise, it is unqualified.

The above only describes the preferred embodiments of the present utility model, but should not be construed as limiting the claims. All equivalent structures or equivalent process transformations made by using the contents of the description and drawings of the present invention are included in the scope of patent protection of the present invention.

Claims (7)

1. The utility model provides an utensil is examined fast to car microwave radar support, includes microwave radar support body and examines utensil fast, its characterized in that, examine fast and include base (1), examine a type body (2), profile modeling detection pin (3), punch combination detection tool (4), main locating pin (5), inferior locating pin (6) and handle (7), wherein microwave radar support passes through main locating pin (5) and inferior locating pin (6) location on examining a type body, examine the bottom of a type body (2) and fix on base (1).

2. The automobile microwave radar bracket rapid detection tool is characterized in that the main body part of the detection tool body (2) is a detection tool profile (21), the upper surface of the detection tool profile is designed according to the theoretical shape of the microwave radar bracket in a copying manner, so that the microwave radar bracket can be placed on the rapid detection tool without interfering with the rapid detection tool.

3. The quick detection tool for the automobile microwave radar bracket according to claim 2, characterized in that: a first guide hole (22) for guiding the main positioning pin (5) is formed in the gauge profile (21), and the hole is a round hole; a second guide hole (23) for guiding the secondary positioning pin (6) is further formed in the gauge profile (21), and the hole is a D-shaped hole; a third guide hole (25) for guiding the profiling detection pin (3) is also formed in the detection tool profile (21), and the hole is a D-shaped hole; three reference blocks (24) are uniformly arranged on the molded surface (21) of the detection tool and used for supporting the microwave radar bracket; the reference block (24) has magnetism, and under the action of the magnetic force, the microwave radar support is attracted to the checking fixture, so that the function of fixing and clamping is achieved.

4. The quick detection tool for the automobile microwave radar bracket according to claim 1, characterized in that: the main positioning pin (5) comprises a handle A (51), a positioning shaft A (52) and a guide shaft A (53), wherein the positioning shaft A (52) and the guide shaft A (53) are round pins, and the guide shaft A (53) is in clearance fit with a guide hole (22) in the checking fixture body (2) to realize the guiding and positioning of the main positioning pin (5) on the checking fixture body (2); and the positioning shaft A (52) is matched with a main positioning hole of the microwave radar support to realize the main positioning of the microwave radar support on the checking fixture.

5. The quick detection tool for the automobile microwave radar bracket according to claim 1, characterized in that: the secondary positioning pin (6) comprises a handle B (61), a positioning shaft B (62) and a guide shaft B (63), wherein the guide shaft B (63) is a D-shaped pin and is used for being in clearance fit with a D-shaped second guide hole (23) in the checking fixture body (2) to realize the guiding and positioning of the secondary positioning pin (6) on the checking fixture body (2), the positioning shaft B (62) is designed into a long round pin and is convenient to be matched with a long round secondary positioning hole of the microwave radar support to realize the last positioning of the radar support on the checking fixture.

6. The quick detection tool for the automobile microwave radar bracket according to claim 1, characterized in that: the profile modeling detection pin (3) comprises a handle C (31), a special-shaped shaft (32) and a guide shaft C (33), wherein the guide shaft C (33) is a D-shaped pin and is used for being in clearance fit with a D-shaped third guide hole (25) in the detection tool body (2) to realize the guiding and positioning of the profile modeling detection pin (3) on the detection tool body (2), the profile of the special-shaped shaft (32) is designed in a profile modeling mode according to the theoretical profile of the special-shaped hole in the microwave radar support, and the profile size of the special-shaped shaft is slightly smaller than that of the special-shaped hole.

7. The quick detection tool for the automobile microwave radar bracket according to claim 1, characterized in that: the hole group detection tool (4) comprises an L plate (41), three detection shafts (42) are fixedly arranged on the L plate, the appearance of each detection shaft is designed in a copying mode according to the theoretical appearance of a special-shaped hole in a microwave radar support, and the appearance size of each detection shaft is slightly smaller than the size of the special-shaped hole.

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