Seat supporting tube testing fixture

Abstract

The utility model discloses a seat supporting tube testing fixture, which is characterized by comprising a testing fixture bottom plate, a first positioning seat, a second positioning seat and a third positioning seat are arranged on the top surface of the testing fixture bottom plate at intervals along the length direction, pressing devices are arranged above the first positioning seat, an end positioning block is arranged at the end part of a V-shaped positioning groove of the first positioning seat, and an end positioning block is arranged at the end part of a V-shaped positioning groove of the third positioning seat. An end face size detection block is arranged at the end of the V-shaped positioning groove of the third positioning seat, two middle pipe section detection blocks are symmetrically arranged on the two sides of the second positioning seat, and two inclined pipe section detection blocks are symmetrically arranged on the outer sides of the two middle pipe section detection blocks. Installation part detection blocks are symmetrically arranged on the opposite inner sides of the first positioning seat and the third positioning seat. The beneficial effects of the utility model are that the detection tool is simple in structure, low in manufacturing cost, convenient in workpiece positioning operation, and capable of rapidly realizing the detection of the boundary dimension of the seat supporting tube and the detection of the installation dimension of the installation part and the position degree of the connection hole, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of testing fixture, concretely relates to a seat support pipe testing fixture. BACKGROUND

[0002] The seat support pipe is stamped from a metal round pipe, and two mounting blocks are symmetrically welded on the metal round pipe, the mounting blocks have connecting holes, the appearance size of the seat support pipe and the position of the mounting blocks after welding seriously affect the assembly precision of the seat support pipe in the later period, therefore, it is necessary to detect the appearance size of the seat support pipe and the position of the mounting blocks after welding, and it is necessary to design a rapid testing fixture to realize comprehensive detection of the appearance size and the position. SUMMARY

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a seat support pipe testing fixture, which is simple in structure and can realize rapid detection of the appearance size and position of the seat support pipe.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A seat support pipe testing fixture, characterized in that: comprising testing fixture bottom plate, the testing fixture bottom plate top face is provided with first positioning seat, second positioning seat, third positioning seat along length direction interval, the first positioning seat, second positioning seat, third positioning seat top all have V type positioning groove, the first positioning seat, second positioning seat, third positioning seat top all have the setting of pressure device, the V type positioning groove on the first positioning seat and the third positioning seat is located on the same straight line, the V type positioning groove direction on the second positioning seat is parallel with the V type positioning groove direction on the first positioning seat, the V type positioning groove end portion of the first positioning seat is provided with end positioning block, the V type positioning groove end portion of the third positioning seat is provided with end face size detection block, the both sides of the second positioning seat are symmetrically arranged with two intermediate pipe section detection blocks, the outer sides of the two intermediate pipe section detection blocks are symmetrically arranged with two inclined pipe section detection blocks, the opposite inner sides of the first positioning seat and the third positioning seat are symmetrically arranged with mounting portion detection block.

[0006] Further, the pressure device comprises a quick clamp arranged on the testing fixture bottom plate through a heightening seat, and the quick clamp is provided with a pressure head opposite to the V type positioning groove.

[0007] Further, the testing fixture bottom plate is provided with two go-no-go gauge placing racks, and each go-no-go gauge placing rack is placed with a go-no-go gauge.

[0008] Further, the intermediate pipe section detection block and the inclined pipe section detection block are both provided with detection grooves with the same height on the top surfaces.

[0009] Further, the top surface of the mounting portion detection block is a reference inclined surface, and a movable detection pin is arranged on the mounting portion detection block and perpendicular to the reference inclined surface.

[0010] Further, the movable detection pin is slidingly arranged on the mounting portion detection block, and a spherical handle is arranged at the rear end of the movable detection pin.

[0011] The utility model discloses beneficial effect includes: gauge structure is simple, and the manufacturing cost is low, and workpiece positioning operation is convenient, can realize the detection of seat support pipe appearance size and the installation size and connecting hole position degree detection of quick realization to mounting portion, improve the detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0013] The utility model discloses beneficial effect includes: gauge structure is simple, and the manufacturing cost is low, and workpiece positioning operation is convenient, can realize the detection of seat support pipe appearance size and the installation size and connecting hole position degree detection of quick realization to mounting portion, improve the detection efficiency.

[0014] A seat support pipe gauge as Figure 1 -shown, including gauge base plate 1, the first positioning seat 2, the second positioning seat 3, the third positioning seat 4 are arranged at the top surface of gauge base plate 1 along the length direction interval, and the first positioning seat 2, the second positioning seat 3, the third positioning seat 4 top all have the V-shaped positioning groove of consistent horizontal height. The V-shaped positioning groove of first positioning seat 2, second positioning seat 3, third positioning seat 4 all have setting up the compression device above, for the seat support pipe is compressed in V-shaped positioning groove, and the compression device includes quick clamp 11 by setting up on gauge base plate 1 through heightening seat 10, and the front end of quick clamp 11 is provided with the pressure head 12 of facing V-shaped positioning groove.

[0015] The V-shaped positioning groove on first positioning seat 2 and third positioning seat 4 is located on the same straight line, and the direction of V-shaped positioning groove on second positioning seat 3 is parallel with the direction of V-shaped positioning groove on first positioning seat 2, and is respectively used for positioning the straight pipe section of seat support pipe both ends and middle part. The V-shaped positioning groove end of first positioning seat 3 is provided with end positioning block 5, for positioning one of seat support pipe end face. The V-shaped positioning groove end of third positioning seat 4 is provided with end face size detection block 6, for detecting the overall length size of seat support pipe. Two intermediate pipe section detection blocks 7 are arranged on the both sides of second positioning seat 3 symmetrically, two inclined pipe section detection blocks 8 are arranged on the outer side of two intermediate pipe section detection blocks 7 symmetrically, and the top surface of intermediate pipe section detection block 7, inclined pipe section detection block 8 all has the detection groove of consistent height. For detecting the appearance size of seat support pipe. The relative inner side of first positioning seat 2 and third positioning seat 4 is arranged with mounting portion detection block 9 symmetrically, for detecting the end face size and connecting hole position degree of seat support pipe mounting portion.

[0016] The top surface of the installation part detection block 9 is a reference inclined surface 15, and a movable detection pin 16 perpendicular to the reference inclined surface 15 is arranged on the installation part detection block 9.

[0017] Two go-no-go gauge placing racks 13 are arranged on the gauge bottom plate 1, and each go-no-go gauge placing rack 13 is arranged with a go-no-go gauge 14.

[0018] A pull handle 18 and a lifting ring 19 are further arranged on the top surface of the gauge bottom plate for facilitating the overall movement of the gauge.

[0019] The detection process of the utility model is that the seat support pipe is placed in the V-shaped positioning groove on the top of the first positioning seat 2, the second positioning seat 3 and the third positioning seat 4, and the one end of the seat support pipe is abutted to the end positioning block 5, then the three fast clamping devices are pressed to the seat support pipe. The hand-held go-no-go gauge is used to check whether the gap between the end surface size detection block 6 and the other end of the seat support pipe can make the go end of the go-no-go gauge pass and the stop end cannot pass, and the gap between the left and right side surfaces and the bottom surface of the seat support pipe and the detection groove side wall and the bottom surface is checked in the same way, whether the gap can make the go end of the go-no-go gauge pass and the stop end cannot pass, and whether the two movable detection pins 6 can be smoothly inserted into the connecting holes on the installation part is further checked, and the gap between the installation part installation end surface and the reference inclined surface 15 is checked by the go-no-go gauge, whether the gap can make the go end pass and the stop end cannot pass.

[0020] The technical scheme provided by the utility model embodiment is described in detail above, and the principle and implementation mode of the utility model embodiment are described by applying specific examples; the above embodiment description is only applicable to helping understand the principle of the utility model embodiment; meanwhile, for the general technical personnel in the art, the specific implementation mode and application range of the utility model embodiment will be changed, and the above description should not be understood as the limitation of the utility model.

Claims

1. A seat support tube gauge, characterized by: The utility model provides a kind of detection tool bottom plate (1), the top surface of the detection tool bottom plate (1) is provided with first positioning seat (2), second positioning seat (3), third positioning seat (4) in length direction interval, the top of first positioning seat (2), second positioning seat (3), third positioning seat (4) all has V-shaped positioning groove, first positioning seat (2), second positioning seat (3), third positioning seat (4) all are provided with pressing device above, the V-shaped positioning groove on first positioning seat (2) and third positioning seat (4) is located on the same straight line, the direction of V-shaped positioning groove on second positioning seat (3) is parallel with the direction of V-shaped positioning groove on first positioning seat (2), the end of the V-shaped positioning groove of first positioning seat (2) is provided with end positioning block (5), the end of the V-shaped positioning groove of third positioning seat (4) is provided with end face size detection block (6), two intermediate pipe section detection blocks (7) are symmetrically arranged on the two sides of second positioning seat (3), two inclined pipe section detection blocks (8) are symmetrically arranged on the outside of two intermediate pipe section detection blocks (7), mounting portion detection block (9) is symmetrically arranged on the opposite inner side of first positioning seat (2) and third positioning seat (4).

2. A seat support tube gauge as defined in claim 1, wherein: The pressing device includes a quick clamp (11) provided on the detection tool bottom plate (1) by a raised seat (10), and the quick clamp (11) is provided with a pressure head (12) facing the V-shaped positioning groove at the front end.

3. A seat support tube gauge as defined in claim 1, wherein: Two go-no-go gauge placing racks (13) are provided on the detection tool bottom plate (1), and each go-no-go gauge placing rack (13) is placed with a go-no-go gauge (14).

4. A seat support tube gauge as defined in claim 1, wherein: The top surface of the intermediate pipe section detection block (7) and the inclined pipe section detection block (8) is provided with a detection groove with consistent height.

5. A seat support tube gauge as defined in claim 1, wherein: The top surface of the mounting portion detection block (9) is a reference inclined surface (15), and the mounting portion detection block (9) is provided with a movable detection pin (16) perpendicular to the reference inclined surface (15).

6. A seat support tube gauge as defined in claim 5 wherein: The movable detection pin (16) is slidingly provided on the mounting portion detection block (9), and the rear end of the movable detection pin (16) is provided with a spherical handle (17).

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