Novel testing fixture for frame head tube of pedal motorcycle

Abstract

The utility model belongs to the technical field of motorcycle testing fixture equipment, and particularly relates to a novel testing fixture for a frame head tube of a pedal motorcycle, which is characterized in that a first positioning device and a second positioning device are arranged to position the head tube, and a first pressing device is arranged to be matched with the first positioning device and the second positioning device to fix the head tube. The stability and the accurate positioning of the whole mechanism of the head pipe are guaranteed, and the positions, where welding deformation possibly occurs, of the head pipe are detected by arranging a first calibrating device, a second calibrating device, a third calibrating device, a fourth calibrating device, a fifth calibrating device, a sixth calibrating device, a seventh calibrating device, an eighth calibrating device and a ninth calibrating device. The detection process can be completed only by placing the first pipe on the detection tool and fixing the first pipe, the operation is convenient and can be completed by one person, and the labor cost is greatly saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of motorcycle inspection tool equipment, in particular to a novel inspection tool for a head pipe of a scooter frame. Background Art

[0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

[0003] A motorcycle frame is composed of a head tube, left and right auxiliary tubes, and A tubes, B tubes, C tubes and other components. Among them, the head tube has the most complex structure. Since the production of the head tube requires welding, the high temperature during welding will cause the metal to mutate, resulting in the welded parts often not meeting the regulations. This requires the welded head tube to be inspected to confirm whether it meets the installation and commissioning requirements. Currently, there is no more convenient inspection fixture that can complete the inspection of the head tube in one go, which greatly increases the cost of head tube inspection. Utility Model Content

[0004] The utility model provides a novel inspection tool for the head tube of a scooter frame, which is intended to complete the inspection of the head tube at one time, ensures convenient inspection, and enables one worker to complete the inspection work, thereby greatly saving labor costs.

[0005] The utility model is realized by providing a new type of inspection tool for the first tube of a scooter frame, comprising

[0006] a first pressing device, which presses and holds the upper bead bowl of the vertical tube;

[0007] A first positioning device, which positions the lower bead bowl of the vertical tube and cooperates with the first holding device to fix the head tube;

[0008] a first verification device, the first verification device detecting and positioning the first locking mechanism of the vertical pipe;

[0009] a second verification device, the second verification device detecting and positioning the second locking mechanism of the vertical pipe;

[0010] a third verification device, the third verification device detecting and positioning the third locking mechanism of the vertical pipe;

[0011] a fourth verification device for detecting and positioning a fourth locking mechanism of the vertical pipe;

[0012] a fifth verification device for detecting and positioning a fifth locking mechanism of the vertical pipe;

[0013] a sixth verification device, the sixth verification device detecting and positioning the steering positioning block of the vertical pipe;

[0014] a seventh verification device, the seventh verification device detecting and positioning between the bending area of ​​the inclined tube and the first end of the inclined tube;

[0015] a second positioning device, which positions the inclined tube between the bending area and the second end thereof;

[0016] Two symmetrically arranged eighth inspection devices, the eighth inspection devices inspect and locate the side surfaces of the support tube;

[0017] Two symmetrically arranged ninth inspection devices are used to inspect and locate the two ends of the support tube;

[0018] Support mechanism, wherein the first pressing device, the first positioning device, the second positioning device, the first verification device, the second verification device, the third verification device, the fourth verification device, the fifth verification device, the sixth verification device, the seventh verification device, the eighth verification device and the ninth verification device are respectively fixedly connected to the support mechanism.

[0019] The first pipe is positioned by setting a first positioning device and a second positioning device, and the first pipe is fixed by setting a first holding device in cooperation with the first positioning device and the second positioning device to ensure the stability and accurate positioning of the overall structure of the first pipe, and the first verification device, the second verification device, the third verification device, the fourth verification device, the fifth verification device, the sixth verification device, the seventh verification device, the eighth verification device and the ninth verification device are set to detect the positions on the first pipe where welding deformation may occur. The detection process only requires placing the first pipe on the inspection fixture and fixing it for detection. The operation is convenient and can be completed by one person, which greatly saves labor costs.

[0020] The utility model provides a new type of inspection fixture for the head tube of a scooter frame. The first pressing device includes a driving unit and a pressing member. The driving unit is fixedly connected to a supporting mechanism. The pressing member includes a piston rod and a piston. The piston rod is fixedly connected to the driving unit, and the piston matches the opening of the upper bead bowl.

[0021] The utility model provides a novel inspection fixture for the head tube of a scooter frame. The first positioning device comprises a second fixed end and a first positioning end. The second fixed end is fixedly connected to a supporting mechanism, and the first positioning end matches the opening of a lower bead bowl.

[0022] The utility model provides a new type of inspection fixture for the head tube of a scooter frame, the first inspection device comprising a first positioning seat, a first pin sleeve and a first detection pin, the first positioning seat being fixedly connected to the supporting mechanism, the first pin sleeve passing through the first positioning seat and being fixedly connected to the first positioning seat, the first end of the first detection pin passing through the first pin sleeve and axially limiting the first detection pin through the second end of the first detection pin; wherein the first pin sleeve functions to cooperate with the first detection pin to prevent the first detection pin from shaking, and the first detection pin is slidably connected to the first pin sleeve; the second inspection device comprises a second positioning seat, a first lift plate, a second pin sleeve and a second detection pin, the second positioning seat being fixedly connected to the supporting mechanism, the first end of the first lift plate being hinged on the second positioning seat, the second pin sleeve passing through the second end of the first lift plate and being fixedly connected to the first lift plate, the first end of the second detection pin passing through the second pin sleeve and axially limiting the second detection pin through the second end of the second detection pin; wherein the second pin sleeve functions to cooperate with the second detection pin to prevent the second detection pin from shaking, and the second detection pin is slidably connected to the second pin sleeve.

[0023] The utility model provides a novel inspection fixture for the head tube of a scooter frame, wherein the third inspection device comprises a third positioning seat, two third pin sleeves and third inspection pins matching the number of the third pin sleeves, the third positioning seat being fixedly connected to a support mechanism, the third pin sleeve passing through the third positioning seat and being fixedly connected to the third positioning seat, the first ends of the two third inspection pins passing through the third pin sleeve and axially limiting the third inspection pin through the second end of the third inspection pin; wherein the third pin sleeve functions to cooperate with the third inspection pin to prevent the third inspection pin from shaking, and the third inspection pin is slidably connected to the third pin sleeve;

[0024] The fourth verification device includes a fourth positioning seat, a fifth positioning seat, a fourth detection pin, a fifth detection pin, a fourth pin sleeve and a fifth pin sleeve, the fourth positioning seat and the fifth positioning seat are respectively fixedly connected to the supporting mechanism, the two fourth pin sleeves respectively pass through the fourth positioning seat and the fifth positioning seat and are symmetrically fixedly connected to the fourth positioning seat and the fifth positioning seat, the first ends of the two fourth detection pins respectively pass through the fourth pin sleeve and axially limit the fourth detection pin through the second end of the fourth detection pin, the fifth pin sleeve passes through the fifth positioning seat and is fixedly connected to the fifth positioning seat, the first end of the fifth detection pin passes through the fifth pin sleeve and axially limits the fifth detection pin through the second end of the fifth detection pin;

[0025] The fifth inspection device includes a sixth positioning seat, a sixth inspection pin, a seventh inspection pin, a sixth pin sleeve and a seventh pin sleeve. The sixth positioning seat is fixedly connected to the supporting mechanism. The sixth pin sleeve and the two seventh pin sleeves respectively pass through the sixth positioning seat and are fixed on the sixth positioning seat. The two seventh pin sleeves are symmetrically connected to the sixth positioning seat with the sixth pin sleeve as the symmetry axis. The first end of the sixth inspection pin passes through the sixth pin sleeve and axially limits the sixth inspection pin through the second end of the sixth inspection pin. The first ends of the two seventh inspection pins respectively pass through the seventh pin sleeve and axially limit the seventh inspection pin through the second end of the seventh inspection pin.

[0026] The utility model provides a novel inspection fixture for the head tube of a scooter frame. The sixth inspection device includes a seventh positioning seat and a movable square pin. The seventh positioning seat is fixedly connected to a supporting mechanism. The end of the movable square pin is provided with a detection port. The movable square pin is hinged to the seventh positioning seat.

[0027] The present invention provides a new type of inspection fixture for the head tube of a scooter frame, wherein the seventh inspection device comprises an eighth positioning seat, an eighth pin sleeve, and an eighth detection pin. The eighth positioning seat is fixedly connected to a support mechanism, and five eighth pin sleeves respectively pass through the eighth positioning seat and are fixed to the eighth positioning seat. The first ends of the eighth detection pins respectively pass through the eighth pin sleeves and axially limit the eighth detection pins through the second ends of the eighth detection pins. Four of the eighth detection pins detect the outer diameter of the oblique tube 120, and one of the eighth detection pins locates a positioning point on the oblique tube 120, facilitating the inspection of the other four eighth detection pins.

[0028] The utility model provides a new type of inspection fixture for the first tube of a scooter frame. The second positioning device includes a support seat and a first positioning plate. The support seat is fixedly connected to the support mechanism. The two first positioning plates are fixed on the support seat so that the oblique tube is arranged between the two first positioning plates.

[0029] The utility model provides a new type of inspection fixture for the head tube of a scooter frame. The eighth inspection device includes a ninth positioning seat, a ninth inspection pin, and a ninth pin sleeve. The ninth positioning seat is fixed to the support mechanism. The ninth pin sleeve passes through the ninth positioning seat and is fixed to the ninth positioning seat. The first end of the ninth inspection pin passes through the ninth pin sleeve and is axially limited by the second end of the ninth inspection pin. The ninth inspection pin is used to inspect the side surface of the support tube.

[0030] The utility model provides a new type of inspection fixture for the head tube of a scooter frame. The ninth inspection device includes a tenth positioning seat, a tenth inspection pin, and a tenth pin sleeve. The tenth positioning seat is fixed to the support mechanism, and the tenth pin sleeve passes through the tenth positioning seat and is fixed to the tenth positioning seat. The first end of the tenth inspection pin passes through the tenth pin sleeve and is axially limited by the second end of the tenth inspection pin. The tenth inspection pin inspects the end of the support tube.

[0031] The beneficial effects of the present utility model are as follows: the present utility model provides a novel inspection fixture for the head tube of a scooter frame, which fixes the head tube by arranging a first positioning device and a first holding device, and supports and positions the head tube by means of a second positioning device, so as to form a three-point support, thereby ensuring the stability and accurate positioning of the head tube, and arranging a first verification device, a second verification device, a third verification device, a fourth verification device, a fifth verification device, a sixth verification device, a seventh verification device, an eighth verification device and a ninth verification device to perform positioning detection on the holes and surfaces on the head tube, and the inspection fixture can complete the detection of all detection points of the head tube at one time, and the head tube is easy to install and disassemble on the inspection fixture, and one person can complete the relevant detection work, which not only greatly reduces the cost of installation, detection and disassembly, but also reduces the labor cost and reduces the difficulty of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural diagram of the head pipe of the prior art;

[0033] Figure 2 This is a first structural schematic diagram of a new type of inspection fixture for the head pipe of a scooter frame according to the present invention;

[0034] Figure 3 This is a second structural schematic diagram of a new type of inspection fixture for the head tube of a scooter frame according to the present invention;

[0035] Figure 4 The utility model is a schematic diagram of a new type of scooter frame head pipe inspection fixture for inspecting the head pipe. DETAILED DESCRIPTION

[0036] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0037] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are intended to fall within the scope of protection of the present invention.

[0038] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0039] In the description of the present utility model, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "sealing liquid level," "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is typically placed when in use. These terms are intended solely to facilitate the description of the present utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present utility model. Furthermore, the terms "first," "second," "third," "fourth," "fifth," etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0040] Furthermore, terms such as "sealed fluid-level" and "vertical" do not imply that components must be absolutely fluid-level or overhanging, but rather that they can be slightly tilted. For example, "sealed fluid-level" simply means that the orientation is more fluid-level than "vertical," not that the structure must be completely fluid-level, but rather that it can be slightly tilted.

[0041] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "connected," and "installed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0042] Please refer to Figure 1In the prior art, the frame head tube 100 includes a vertical tube 110, an oblique tube 120 and a support tube 130. The vertical tube 110 is welded to the oblique tube 120. An upper bead bowl 111 and a lower bead bowl 112 are respectively provided at both ends of the vertical tube 110. A first locking mechanism 113 and a second locking mechanism 114 are provided on the upper part of the vertical tube 110, wherein the first locking mechanism 113 is provided on the outside of the vertical tube 110, and the second locking mechanism 114 is provided on the inside of the vertical tube 110. A third locking mechanism 115 is provided on the outside of the middle part of the vertical tube 110, wherein a fifth locking mechanism 117 is provided between the first locking mechanism 113 and the third locking mechanism 115. The middle inner part of the vertical tube 110 and the oblique tube 120 are connected. The first end is connected, a fourth locking mechanism 116 is provided on the outer side of the lower part of the vertical tube 110, a steering positioning block 118 is provided on the outer side of the lower bead bowl 112, a bending area 121 is provided on the oblique tube 120, and the second end of the oblique tube 120 is connected to the middle part of the support tube 130, so that the support tube 130 is symmetrically arranged; however, the high temperature during welding of the frame head tube 100 will cause the metal to mutate, resulting in the welded parts often not meeting the regulations, which requires the welded head tube 100 to be inspected to confirm whether it meets the installation and debugging requirements; currently there is no more convenient inspection tool that can complete the inspection of the head tube 100 in one go, which greatly increases the cost of inspecting the head tube 100.

[0043] This design aims to complete the inspection of the first tube 100 at one time, ensuring the convenience of inspection. One worker can complete the inspection work, thus greatly saving labor costs. The technical solution is as follows: Figure 2 and 3As shown, a new type of inspection fixture for the first tube 100 of a scooter frame is provided, comprising a first pressing device 200, a first positioning device 310, a second positioning device 320, a first verification device 410, a second verification device 420, a third verification device 430, a fourth verification device 440, a fifth verification device 450, a sixth verification device 460, a seventh verification device 470, two symmetrically arranged eighth verification devices 480, two symmetrically arranged ninth verification devices 490 and a supporting mechanism 500. The first tube 100 is fixed by arranging the first positioning device 310 and the first pressing device 200, and is supported and positioned by the second positioning device 320, forming a three-way inspection fixture. Point support ensures the stability and accurate positioning of the first pipe 100. A first calibration device 410, a second calibration device 420, a third calibration device 430, a fourth calibration device 440, a fifth calibration device 450, a sixth calibration device 460, a seventh calibration device 470, an eighth calibration device 480, and a ninth calibration device 490 are set to perform positioning detection on the holes and surfaces on the first pipe 100. The inspection fixture can complete the inspection of all inspection points of the first pipe 100 at one time. The first pipe 100 is easy to install and disassemble on the inspection fixture, and one person can complete the relevant inspection work, which not only greatly reduces the cost of installation, inspection and disassembly, but also reduces labor costs and reduces the difficulty of inspection.

[0044] In a specific embodiment, Figure 2-3As shown, a new type of inspection fixture for the head tube 100 of a scooter frame includes a first pressing device 200, a first positioning device 310, a second positioning device 320, a first verification device 410, a second verification device 420, a third verification device 430, a fourth verification device 440, a fifth verification device 450, a sixth verification device 460, a seventh verification device 470, two symmetrically arranged eighth verification devices 480, two symmetrically arranged ninth verification devices 490 and a supporting mechanism 500; the first pressing device 200 is used to press the vertical tube 1 00 is pressed and held; the first positioning device 310 positions the lower bead bowl 112 of the vertical tube 110, and cooperates with the first holding device 200 to fix the head tube 100; the first inspection device 410 detects and positions the first locking mechanism 113 of the vertical tube 110; the second inspection device 420 detects and positions the second locking mechanism 114 of the vertical tube 110; the third inspection device 430 detects and positions the third locking mechanism 115 of the vertical tube 110; the fourth inspection device 440 detects and positions the third locking mechanism 116 of the vertical tube 110 The fourth locking mechanism 116 is detected and positioned; the fifth inspection device 450 detects and positions the fifth locking mechanism 117 of the vertical tube 110; the sixth inspection device 460 detects and positions the steering positioning block 118 of the vertical tube 110; the seventh inspection device 470 detects and positions the space between the bending area 121 of the inclined tube 120 and the first end of the inclined tube 120; the second positioning device 320 positions the space between the bending area 121 of the inclined tube 120 and the second end of the inclined tube 120; the eighth inspection device 480 detects and positions the side of the support tube 130. Detection and positioning; the ninth calibration device 490 detects and positions the two ends of the support tube 130; the first holding device 200, the first positioning device 310, the second positioning device 320, the first calibration device 410, the second calibration device 420, the third calibration device 430, the fourth calibration device 440, the fifth calibration device 450, the sixth calibration device 460, the seventh calibration device 470, two symmetrically arranged eighth calibration devices 480, and two symmetrically arranged ninth calibration devices 490 are respectively fixedly connected to the support mechanism 500.

[0045] As a preference, Figure 2 and 3As shown, a new type of inspection fixture for the head tube of a scooter frame, wherein the first holding device 200 includes a drive unit 210 and a holding member 220, the drive unit 210 is fixedly connected to the support mechanism 500, and the holding member 220 includes a piston rod 221 and a piston 222, one end of the piston rod 221 is fixedly connected to the drive unit 210, and the other end is fixedly connected to the piston 222, and the piston 222 matches the opening of the upper bead bowl 111, wherein the drive unit 210 is a cylinder. When the cylinder is started, the piston rod 221 is driven to move axially, and the upper bead bowl 111 of the vertical tube 110 is positioned and held by the piston 222, to ensure that the vertical tube 110 is accurately positioned and firmly fixed. The first positioning device 310 includes a second fixed end 311 and a first positioning end 312, the second fixed end 311 is fixedly connected to the support mechanism 500, and the first positioning end 312 matches the opening of the lower bead bowl 112. The vertical pipe 110 is fixed and positioned by the cooperation of the first positioning device 310 and the first holding device 200 to ensure the accuracy of subsequent detection; the second positioning device 320 includes a support seat 321 and a first positioning plate 322, the support seat 321 is fixedly connected to the support mechanism 500, and the two first positioning plates 322 are fixed on the support seat 321, so that the inclined tube 120 is set between the two first positioning plates 322 to support and position the inclined tube 120, and the inclined tube 120 is clamped by the two first positioning plates 322 and supported by the support seat 321. The whole is positioned and fixed by three points to ensure the overall positioning preparation of the first tube 100, and it is firmly fixed to ensure the accuracy of subsequent detection.

[0046] The following is the verification device, which is stated as follows: Figure 2 and 3As shown, a new type of inspection fixture for the head tube of a scooter frame, the first inspection device 410 includes a first positioning seat 411, a first pin sleeve 412 and a first inspection pin 413, the first positioning seat 411 is fixedly connected to the support mechanism 500, the first pin sleeve 412 passes through the first positioning seat 411 and is fixedly connected to the first positioning seat 411, the first end of the first inspection pin 413 passes through the first pin sleeve 412 and cooperates with the first pin sleeve 412 through the second end of the first inspection pin 413 to axially limit the first inspection pin 413; wherein the first pin sleeve 412 cooperates with the first inspection pin 413 to prevent the first inspection pin 413 from shaking and to limit the first inspection pin 413, and the first inspection pin 413 is slidably connected to the first pin sleeve 412, and the end of the first inspection pin 413 inspects the first locking mechanism 113; the second inspection device 4 20 includes a second positioning seat 421, a first lift plate 422, a second pin sleeve 423 and a second detection pin 424, the second positioning seat 421 is fixedly connected to the support mechanism 500, the first end of the first lift plate 422 is hinged on the second positioning seat 421, the second pin sleeve 423 passes through the second end of the first lift plate 422 and is fixedly connected to the first lift plate 422, the first end of the second detection pin 424 passes through the second pin sleeve 423 and cooperates with the second pin sleeve 423 through the second end of the second detection pin 423 to axially limit the second detection pin 423; wherein the function of the second pin sleeve 423 is to cooperate with the second detection pin 424 to prevent the second detection pin 424 from shaking and limit the second detection pin 424, and the second detection pin 424 is slidably connected to the second pin sleeve 423, and the end of the second detection pin 424 verifies the second locking mechanism 114.

[0047] like Figure 2 and 3As shown, the third verification device 430 includes a third positioning seat 431, two third pin sleeves 432 and third detection pins 433 that match the number of the third pin sleeves 432. The third positioning seat 431 is fixedly connected to the support mechanism 500. The third pin sleeve 432 passes through the third positioning seat 431 and is fixedly connected to the third positioning seat 431. The first ends of the two third detection pins 433 pass through the third pin sleeve 432 and cooperate with the third pin sleeve 432 through the second ends of the third detection pins 433 to axially limit the third detection pins 433. The third pin sleeve 432 cooperates with the third detection pin 433 to prevent the third detection pin 433 from shaking and to limit the third detection pin 433, and the third detection pin 433 is slidably connected to the third pin sleeve 432; the fourth inspection device 440 includes a fourth positioning seat 441, a fifth positioning seat 442, a fourth detection pin 443, a fifth detection pin 444, a fourth pin sleeve 445 and a fifth pin sleeve 446, the fourth positioning seat 441 and the fifth positioning seat 442 are respectively fixedly connected to the support mechanism 500, and the two fourth pin sleeves 445 The first ends of the two fourth detection pins 443 pass through the fourth pin sleeve 445 and the second ends of the fourth detection pins 443 cooperate with the fourth pin sleeve 445 to axially limit the fourth detection pin 443. The fifth pin sleeve 446 passes through the fifth positioning seat 442 and is fixedly connected to the fifth positioning seat 442. The first end of the fifth detection pin 444 passes through the fifth pin sleeve 446 and passes through the fifth detection pin 44 The second end of 4 cooperates with the fifth pin sleeve 446 to axially limit the fifth detection pin 444; wherein the fourth pin sleeve 445 cooperates with the fourth detection pin 443 to prevent the fourth detection pin 443 from shaking and to limit the fourth detection pin 443, and the fourth detection pin 443 is slidably connected to the fourth pin sleeve 445; the fifth pin sleeve 446 cooperates with the fifth detection pin 444 to prevent the fifth detection pin 444 from shaking and to limit the fifth detection pin 444, and the fifth detection pin 444 is slidably connected to the fifth pin sleeve 446.

[0048] In a specific embodiment, Figure 2 and 3As shown, the fifth verification device 450 includes a sixth positioning seat 451, a sixth detection pin 452, a seventh detection pin 453, a sixth pin sleeve 454 and a seventh pin sleeve 455. The sixth positioning seat 451 is fixedly connected to the support mechanism 500. The sixth pin sleeve 454 and the two seventh pin sleeves 455 respectively pass through the sixth positioning seat 451 and are fixed on the sixth positioning seat 451. The two seventh pin sleeves 455 are symmetrically connected to the sixth positioning seat 451 with the sixth pin sleeve 454 as the symmetry axis. The first end of the sixth detection pin 452 passes through the sixth pin sleeve 454 and cooperates with the sixth pin sleeve 454 through the second end of the sixth detection pin 452 to axially limit the sixth detection pin 452. The first ends of the two seventh detection pins 453 respectively pass through the seventh pin sleeve 455 and cooperate with the seventh pin sleeve 455 through the second end of the seventh detection pin 453 to limit the seventh detection pin 453 in the direction. The sixth pin sleeve 454 cooperates with the sixth detection pin 452 to prevent the sixth detection pin 452 from shaking and to limit the sixth detection pin 452, and the sixth detection pin 452 is slidably connected to the sixth pin sleeve 454; the seventh pin sleeve 455 cooperates with the seventh detection pin 453 to prevent the seventh detection pin 453 from shaking and to limit the seventh detection pin 453, and the seventh detection pin 453 is slidably connected to the seventh pin sleeve 455.

[0049] As a preference, Figure 2 and 3 As shown, the sixth verification device 460 includes a seventh positioning seat 461 and a movable square pin 462. The seventh positioning seat 461 is fixedly connected to the support mechanism 500. The end of the movable square pin 462 is provided with a detection port 463. The movable square pin 462 is hingedly connected to the seventh positioning seat 461. The movable square pin 462 can move up and down and is responsible for detecting whether the steering positioning block 118 is qualified.

[0050] like Figure 2 and 3 As shown, the seventh verification device 470 includes an eighth positioning seat 471, an eighth pin sleeve 472 and an eighth detection pin 473, the eighth positioning seat 471 is fixedly connected to the support mechanism 500, and the five eighth pin sleeves 472 respectively pass through the eighth positioning seat 471 and are fixed on the eighth positioning seat 471, the first ends of the eighth detection pins 473 respectively pass through the eighth pin sleeves 472 and cooperate with the eighth pin sleeve 472 through the second end of the eighth detection pin 473 to axially limit the eighth detection pin 473, wherein four eighth detection pins 473 detect the outer diameter of the inclined tube 120, and one eighth detection pin 473 locates the positioning point on the inclined tube 120, which is convenient for the detection of the other four eighth detection pins 473; wherein the function of the eighth pin sleeve 472 is to cooperate with the eighth detection pin 473 to prevent the eighth detection pin 473 from shaking and to limit the eighth detection pin 473, and the eighth detection pin 473 is slidably connected to the eighth pin sleeve 472;

[0051] In a specific implementation, Figure 2 and 3 As shown, the eighth verification device 480 includes a ninth positioning seat 481, a ninth detection pin 482 and a ninth pin sleeve 483, the ninth positioning seat 481 is fixed on the support mechanism 500, the ninth pin sleeve 483 passes through the ninth positioning seat 481 and is fixed on the ninth positioning seat 481, the first ends of the ninth detection pin 482 pass through the ninth pin sleeve 483 and cooperate with the ninth pin sleeve 483 through the second end of the ninth detection pin 482 to axially limit the ninth detection pin 482, wherein the ninth detection pin 482 is used to detect the side of the support tube 130, wherein the function of the ninth pin sleeve 483 is to cooperate with the ninth detection pin 482 to prevent the ninth detection pin 482 from shaking and to limit the ninth detection pin 482, and the ninth detection pin 482 is slidably connected with the ninth pin sleeve 483.

[0052] As a preference, Figure 2 and 3 As shown, the ninth inspection device 490 includes a tenth positioning seat 491, a tenth inspection pin 492 and a tenth pin sleeve 493, the tenth positioning seat 491 is fixed on the support mechanism 500, the tenth pin sleeve 493 passes through the tenth positioning seat 491 and is fixed on the tenth positioning seat 491; the first ends of the tenth inspection pin 492 respectively pass through the tenth pin sleeve 493 and cooperate with the tenth pin sleeve 493 through the second end of the tenth inspection pin 492 to axially limit the tenth inspection pin 492, and the tenth inspection pin 492 detects the end of the support tube 130, wherein the function of the tenth pin sleeve 493 is to cooperate with the tenth inspection pin 492 to prevent the tenth inspection pin 492 from shaking and to limit the tenth inspection pin 492, and the tenth inspection pin 492 is slidably connected to the tenth pin sleeve 493.

[0053] like Figure 4 As shown, after the device is assembled, a three-coordinate measuring machine is used to ensure that all components of the inspection fixture are within the tolerance range. When it is necessary to check whether the incoming first tube 100 meets the requirements of the drawing, first place the lower bead bowl 112 of the first tube 100 on the first positioning device 310, press the start switch, and the cylinder piston of the first holding device 200 moves downward to hold the upper bead bowl 111 of the first tube 100, and support and position the first tube through the second positioning device 320. At this time, each verification device detects the corresponding direction and position on the first tube 100, and each detection pin is mainly responsible for detecting whether each hole position and surface of the first tube 100 meet the requirements of the drawing (if the detection pin can be completely inserted into the hole or fits with the surface, it is qualified, otherwise it is unqualified). It can not only check some extreme hole positions, but also facilitate the removal of the first tube 100.

[0054] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A new type of inspection fixture for the head tube of a scooter frame, characterized by: include a first pressing device, which presses and holds the upper bead bowl of the vertical tube; A first positioning device, which positions the lower bead bowl of the vertical tube and cooperates with the first holding device to fix the head tube; a first verification device, the first verification device detecting and positioning the first locking mechanism of the vertical pipe; a second verification device, the second verification device detecting and positioning the second locking mechanism of the vertical pipe; a third verification device, the third verification device detecting and positioning the third locking mechanism of the vertical pipe; a fourth verification device for detecting and positioning a fourth locking mechanism of the vertical pipe; a fifth verification device for detecting and positioning a fifth locking mechanism of the vertical pipe; a sixth verification device, the sixth verification device detecting and positioning the steering positioning block of the vertical pipe; a seventh verification device, the seventh verification device detecting and positioning between the bending area of ​​the inclined tube and the first end of the inclined tube; a second positioning device, which positions the inclined tube between the bending area and the second end thereof; Two symmetrically arranged eighth inspection devices, the eighth inspection devices inspect and locate the side surfaces of the support tube; Two symmetrically arranged ninth inspection devices are used to inspect and locate the two ends of the support tube; Support mechanism, wherein the first pressing device, the first positioning device, the second positioning device, the first verification device, the second verification device, the third verification device, the fourth verification device, the fifth verification device, the sixth verification device, the seventh verification device, the eighth verification device and the ninth verification device are respectively fixedly connected to the support mechanism.

2. A novel inspection fixture for the head tube of a scooter frame according to claim 1, characterized in that: The first pressing device includes a driving unit and a pressing member, the driving unit is fixedly connected to the supporting mechanism, the pressing member includes a piston rod and a piston, the piston rod is fixedly connected to the driving unit, and the piston matches the opening of the upper bead bowl.

3. The novel inspection fixture for the head tube of a scooter frame according to claim 1, characterized in that: The first positioning device includes a second fixed end and a first positioning end, the second fixed end is fixedly connected to the supporting mechanism, and the first positioning end matches the opening of the lower bead bowl.

4. A novel inspection fixture for the head tube of a scooter frame according to claim 1, characterized in that: The first verification device includes a first positioning seat, a first pin sleeve and a first detection pin, the first positioning seat is fixedly connected to the support mechanism, the first pin sleeve passes through the first positioning seat and is fixedly connected to the first positioning seat, and the first end of the first detection pin passes through the first pin sleeve and axially limits the first detection pin through the second end of the first detection pin; The second calibration device includes a second positioning seat, a first lift plate, a second pin sleeve and a second detection pin. The second positioning seat is fixedly connected to the support mechanism. The first end of the first lift plate is hinged on the second positioning seat. The second pin sleeve passes through the second end of the first lift plate and is fixedly connected to the first lift plate. The first end of the second detection pin passes through the second pin sleeve and axially limits the second detection pin through the second end of the second detection pin.

5. The novel inspection fixture for the head tube of a scooter frame according to claim 1, characterized in that: The third verification device includes a third positioning seat, two third pin sleeves and third detection pins matching the number of the third pin sleeves, the third positioning seat is fixedly connected to the support mechanism, the third pin sleeve passes through the third positioning seat and is fixedly connected to the third positioning seat, and the first ends of the two third detection pins pass through the third pin sleeve and axially limit the third detection pin through the second ends of the third detection pins; The fourth verification device includes a fourth positioning seat, a fifth positioning seat, a fourth detection pin, a fifth detection pin, a fourth pin sleeve and a fifth pin sleeve, the fourth positioning seat and the fifth positioning seat are respectively fixedly connected to the supporting mechanism, the two fourth pin sleeves respectively pass through the fourth positioning seat and the fifth positioning seat and are symmetrically fixedly connected to the fourth positioning seat and the fifth positioning seat, the first ends of the two fourth detection pins respectively pass through the fourth pin sleeve and axially limit the fourth detection pin through the second end of the fourth detection pin, the fifth pin sleeve passes through the fifth positioning seat and is fixedly connected to the fifth positioning seat, the first end of the fifth detection pin passes through the fifth pin sleeve and axially limits the fifth detection pin through the second end of the fifth detection pin; The fifth inspection device includes a sixth positioning seat, a sixth inspection pin, a seventh inspection pin, a sixth pin sleeve and a seventh pin sleeve. The sixth positioning seat is fixedly connected to the supporting mechanism. The sixth pin sleeve and the two seventh pin sleeves respectively pass through the sixth positioning seat and are fixed on the sixth positioning seat. The two seventh pin sleeves are symmetrically connected to the sixth positioning seat with the sixth pin sleeve as the symmetry axis. The first end of the sixth inspection pin passes through the sixth pin sleeve and axially limits the sixth inspection pin through the second end of the sixth inspection pin. The first ends of the two seventh inspection pins respectively pass through the seventh pin sleeve and axially limit the seventh inspection pin through the second end of the seventh inspection pin.

6. A novel inspection fixture for the head tube of a scooter frame according to claim 1, characterized in that: The sixth verification device includes a seventh positioning seat and a movable square pin. The seventh positioning seat is fixedly connected to the supporting mechanism. The end of the movable square pin is provided with a detection port. The movable square pin is hinged to the seventh positioning seat.

7. The novel inspection fixture for the head tube of a scooter frame according to claim 1, characterized in that: The seventh verification device includes an eighth positioning seat, an eighth pin sleeve and an eighth detection pin. The eighth positioning seat is fixedly connected to the supporting mechanism. The five eighth pin sleeves respectively pass through the eighth positioning seat and are fixed on the eighth positioning seat. The first end of the eighth detection pin respectively passes through the eighth pin sleeve and axially limits the eighth detection pin through the second end of the eighth detection pin.

8. The novel inspection fixture for the head tube of a scooter frame according to claim 1, characterized in that: The second positioning device includes a support seat and a first positioning plate. The support seat is fixedly connected to the support mechanism, and the two first positioning plates are fixed to the support seat, so that the inclined tube is arranged between the two first positioning plates.

9. The novel inspection fixture for the head tube of a scooter frame according to claim 1, characterized in that: The eighth verification device includes a ninth positioning seat, a ninth detection pin and a ninth pin sleeve. The ninth positioning seat is fixed on the supporting mechanism. The ninth pin sleeve passes through the ninth positioning seat and is fixed on the ninth positioning seat. The first end of the ninth detection pin passes through the ninth pin sleeve and the second end of the ninth detection pin to axially limit the ninth detection pin.

10. The novel inspection fixture for the head tube of a scooter frame according to claim 1, characterized in that: The ninth verification device includes a tenth positioning seat, a tenth detection pin and a tenth pin sleeve, the tenth positioning seat is fixed on the supporting mechanism, and the tenth pin sleeve passes through the tenth positioning seat and is fixed on the tenth positioning seat; The first end of the tenth detection pin passes through the tenth pin sleeve and axially limits the tenth detection pin through the second end of the tenth detection pin.

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