Gear radial runout detection device and detection method based on multi-directional positioning

Abstract

The present invention relates to the technical field of gear runout detection, and specifically to a gear radial runout detection device and method based on multi-directional positioning, comprising: a workbench, on which a vertical detector and a lateral detector are arranged; a transverse plate, arranged on the workbench, on which a drive groove is formed; a support member, installed on the workbench and adapted to the drive groove, and when the transverse plate moves transversely, the support member will drive the gear to be detected to perform a lifting action; an elastic abutment component, connected to a No. 1 slide groove formed on the workbench, comprising two groups of pressure structures, one group of which is fixedly connected to the transverse plate; a bidirectional connection component, connecting the two groups of pressure structures and the vertical detector, and the bidirectional connection component can make the two groups of pressure structures move closer to or away from each other when one group of the pressure structures is in motion, and drive the vertical detector to descend or ascend, so as to detect the lateral and longitudinal runout of the gear.

Description

Technical Field

[0001] The present invention relates to the technical field of gear runout detection, and in particular to a gear radial runout detection device and a detection method based on multi-directional positioning. Background Art

[0002] Gear jump is one of the common faults in gear transmission. On the one hand, gear jump will produce a dynamic reaction force on the shaft, which can easily cause shaft fatigue. On the other hand, the two meshing gears will have a large impact and wear when running, and it is easy to produce noise.

[0003] Therefore, after the gear is produced, its runout needs to be professionally tested. In this regard, China has authorized a patent: Gear diameter runout detection device (authorization announcement number: CN207147346U), which discloses a micrometer, a bracket, a work platform, a first limit plate, a second limit plate and other structures, which can quickly detect gears of various specifications, greatly improve detection efficiency, and reduce production costs.

[0004] However, it was found in actual use that the above application also has certain drawbacks, mainly in the accuracy of the test results. Since one end of the gear to be tested is rotatably connected and the other end is suspended, when the detector acts on the gear to be tested, the rotating shaft of the gear to be tested will be subjected to force and slightly deformed. When the gear to be tested rotates, the test result actually deviates from the actual result, thereby causing inaccurate test results. Summary of the invention

[0005] The purpose of the present invention is to provide a gear radial runout detection device and a detection method based on multi-directional positioning to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] The gear radial runout detection device based on multi-directional positioning includes:

[0008] A workbench, wherein a vertical detector and a horizontal detector are provided on the workbench;

[0009] A transverse moving plate is arranged on the working table, and a driving groove is formed on the transverse moving plate;

[0010] A support member is mounted on the workbench and is adapted to the driving slot. When the transverse plate moves transversely, the support member drives the gear to be detected to perform a lifting action;

[0011] An elastic abutment assembly connected to a No. 1 slide groove formed on the workbench, comprising two groups of pressure structures, one of which is fixedly connected to the transverse plate;

[0012] A two-way connection component connects two groups of pressure structures and a vertical detector. When one group of the pressure structures is in motion, the two-way connection component can move the two groups of pressure structures closer to or away from each other and drive the vertical detector to descend or ascend.

[0013] As a further solution of the present invention: the support member comprises a support bracket slidably arranged through the workbench, an arc-shaped groove is formed on the support bracket, and a pulley is rotatably mounted on the lower end of the support bracket;

[0014] A horizontal plane and an inclined plane connected to two ends of the horizontal plane and inclined downward are formed in the driving groove.

[0015] As a further solution of the present invention: the pressure structure includes a slider slidably connected to the first slide groove, a vertical plate is fixedly installed on the slider, an energy storage kit is rotatably installed on the vertical plate, and the vertical plate is fixedly connected to the horizontal detector;

[0016] An abutment portion is formed at one end of the energy storage kit away from the vertical plate.

[0017] As a further solution of the present invention: the energy storage kit includes a follower shaft rotatably connected to the vertical plate, a connecting sleeve shaft is slidably mounted on the follower shaft, and the follower shaft and the connecting sleeve shaft are connected via a columnar spring;

[0018] The abutment portion is arranged at an end of the connecting sleeve shaft away from the vertical plate.

[0019] As a further solution of the present invention: a driving motor is fixedly installed on the workbench, a rotating shaft is connected to the output shaft of the driving motor, two sets of sliding sleeves are slidingly sleeved on the rotating shaft, the sliding sleeves are rotatably connected to the vertical plate, and the sliding sleeves are connected to the follower shaft through a transmission belt;

[0020] The rotating shaft is formed with a limiting groove along its length direction, and the inner wall of the sliding sleeve is formed with a limiting protrusion, and the limiting groove is slidably matched with the limiting protrusion.

[0021] As a further solution of the present invention: the bidirectional connection assembly includes a guide plate arranged on the transverse plate and one of the slide blocks, the guide plate is parallel to the side plate arranged on the workbench, two inclined grooves are symmetrically arranged on the side plate, a groove wheel is rotatably installed in the inclined groove, a group of extension parts are respectively arranged on both sides of the groove wheel, and the extension parts are slidably connected with the third slide groove arranged along the length direction of the guide plate;

[0022] The two-way connection assembly further includes a horizontal retaining member connected to the extension portion.

[0023] As a further solution of the present invention: the horizontal holding member includes a lifting plate, and sliding connection parts are formed at both ends of the lifting plate, and the sliding connection parts are slidably connected with the guide parts arranged at both ends of the side plate;

[0024] The lifting plate is provided with a retardation groove along its length direction, and the retardation groove is slidably connected with a hook plate arranged on the extension part.

[0025] As a further solution of the present invention: a fixed sleeve is fixedly installed on the workbench, the interior of the fixed sleeve is a hollow structure, and a telescopic plate is slidably installed in the fixed sleeve, and the telescopic plate is fixedly connected to the vertical detector;

[0026] The telescopic plate is also provided with a connecting frame which penetrates through the fixed sleeve plate and is connected to the lifting plate.

[0027] A method for detecting a gear using the gear radial runout detection device based on multi-directional positioning comprises the following steps:

[0028] Step 1: Place the gear to be tested in the arc groove and start the driving device;

[0029] Step 2: The driving device can drive one set of the pressure structures and the transverse plate to move toward the gear to be detected, and during the movement, the support member will cooperate with the driving groove on the transverse plate, so that the support member drives the gear to be detected to move upward, and the gear to be detected stops rising after it moves to a predetermined height;

[0030] Step 3: The driving device continues to drive the pressure structure and the transverse plate to move, so that under the action of the bidirectional connection component, the two sets of pressure components can move synchronously toward the gear to be tested, until the two sets of pressure structures complete the clamping of the gear to be tested;

[0031] Step 4: When the two sets of pressure structures are close to each other, they can drive the two sets of horizontal detectors to move toward the gear to be detected, and at the same time, the two-way connection component can drive the vertical detector to move toward the gear to be detected;

[0032] Step 5: After the vertical detector and the horizontal detector are in place, perform the detection action.

[0033] Compared with the prior art, the present invention has the following beneficial effects:

[0034] During detection, the gear to be detected can be positioned longitudinally and transversely, which can improve the accuracy of the detection results on the one hand, and on the other hand, enable the gear to be detected to quickly enter the detection station, reduce the difficulty of operating the device and reduce the workload of debugging. The vertical detector cooperates with the transverse detector to detect the longitudinal and transverse runout of the gear to be detected, improve the comprehensiveness of the detection, and make the detection results more representative. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 The present invention is a structural schematic diagram of an embodiment of a gear radial runout detection device based on multi-directional positioning.

[0036] Figure 2 This is a schematic structural diagram from another angle in an embodiment of a gear radial runout detection device based on multi-directional positioning.

[0037] Figure 3 This is a structural schematic diagram of another angle in an embodiment of a gear radial runout detection device based on multi-directional positioning.

[0038] Figure 4 The present invention is a schematic structural diagram of a transverse plate and a support member in an embodiment of a gear radial runout detection device based on multi-directional positioning.

[0039] Figure 5 An exploded view of a pressure structure in an embodiment of a gear radial runout detection device based on multi-directional positioning.

[0040] Figure 6 An exploded view of a bidirectional connection component in an embodiment of a gear radial runout detection device based on multi-directional positioning.

[0041] Figure 7 The present invention is a structural schematic diagram of the connection relationship between the lifting plate and the telescopic plate in one embodiment of a gear radial runout detection device based on multi-directional positioning.

[0042] Figure 8 The present invention is a schematic structural diagram of a sliding sleeve and a rotating shaft in an embodiment of a gear radial runout detection device based on multi-directional positioning.

[0043] In the figure: 1, workbench; 101, first slideway; 2, driving device; 3, transverse plate; 301, inclined surface; 302, horizontal surface; 303, second slideway; 4, guide part; 5, pulley; 6, support frame; 601, arc groove; 7, slider; 8, vertical plate; 9, follower shaft; 10, connecting sleeve shaft; 1001, abutment part; 11, columnar spring; 12, transmission belt; 13, sliding sleeve; 1301, limit protrusion; 14, driving driving motor; 15, rotating shaft; 1501, limiting groove; 16, side plate; 1601, inclined groove; 1602, guide part; 17, groove wheel; 1701, extension part; 1702, hook plate; 18, lifting plate; 1801, retardation groove; 1802, sliding connection part; 19, guide plate; 1901, No. 3 slide; 20, connecting frame; 21, fixed sleeve plate; 22, telescopic plate; 23, vertical detector; 24, horizontal detector. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] In addition, when an element in the present invention is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only embodiment.

[0046] See also Figures 1 to 8 In an embodiment of the present invention, a gear radial runout detection device based on multi-directional positioning includes: a workbench 1, a transverse plate 3, a support, an elastic abutment assembly and a bidirectional connection assembly, so that during detection, the gear to be detected can be positioned longitudinally and transversely to improve the accuracy of the detection result. At the same time, the vertical detector 23 cooperates with the transverse detector 24 to detect the longitudinal runout and transverse runout of the gear to be detected, thereby improving the comprehensiveness of the detection.

[0047] Specifically, the workbench 1 is provided with a vertical detector 23 and a horizontal detector 24. Specifically, two groups of horizontal detectors 24 are provided and are respectively located on both sides of the gear to be detected. During detection, the two groups of horizontal detectors 24 act symmetrically on the gear to be detected, which can make the force on the gear to be detected more balanced, avoid the lateral jumping phenomenon when the gear to be detected rotates due to the pressure of the horizontal detector 24, and improve the accuracy of the detection result;

[0048] The transverse plate 3 is arranged on the workbench 1, and a driving groove is formed on the transverse plate 3. Specifically, the transverse plate 3 is connected to a driving device 2 arranged on the workbench 1. For example, the driving device 2 can be a cylinder, a hydraulic cylinder or an electric telescopic rod. A horizontal plane 302 and an inclined plane 301 connected to both ends of the horizontal plane 302 and inclined downward are formed in the driving groove;

[0049] Furthermore, a second slide groove 303 is provided on the transverse plate 3, and the second slide groove 303 is slidably connected to the guide portion 4 provided on the workbench 1;

[0050] The support member is installed on the workbench 1 and is adapted to the driving groove. When the transverse plate 3 moves transversely, the support member will drive the gear to be detected to perform a lifting action. The support member includes a support bracket 6 that is slidably arranged through the workbench 1. An arc-shaped groove 601 is formed on the support bracket 6, and a pulley 5 is rotatably installed on the lower end of the support bracket 6. The pulley 5 can roll between the inclined surface 301 and the horizontal surface 302.

[0051] In the initial state, the two groups of horizontal detectors 24 are far away from each other, and the distance between the support bracket 6 and the vertical detector 23 is greater than the diameter of the gear to be detected, making it more convenient and reducing the difficulty of operation during the placement of the gear to be detected.

[0052] Among them, when placing the gear to be detected, it is necessary to place the gear to be detected in the arc groove 601. At this time, the arc surface of the arc groove 601 fits with the circumferential outer surface of the gear to be detected, and can play a pre-positioning effect on the gear to be detected. After the gear to be detected is placed, the driving device 2 is controlled to operate, so that the transverse plate 3 can move along the length direction of the second slide groove 303, and in the initial state, the pulley 5 is at the end of the inclined surface 301 on one side of the horizontal plane 302, so that the support bracket 6 is at the lowest point of its stroke at this time, and when the transverse plate 3 moves horizontally, the inclined surface 301 and the pulley 5 are matched. When the pulley 5 moves to the horizontal plane 302, the support frame 6 just drives the gear to be detected to a predetermined height. At this time, the gear to be detected can complete the longitudinal positioning. When the transverse plate 3 continues to move transversely, the elastic abutment component can clamp the gear to be detected. After the gear to be detected is clamped, the transverse plate 3 can move to make the pulley 5 enter the end of the other inclined surface 301, and make the support frame 6 move downward and separate from the gear to be detected, so as to prevent the gear to be detected from interfering with and rubbing with the support frame 6 when it rotates, thereby improving the accuracy of the detection result.

[0053] Through the above-mentioned arrangement, before the gear to be detected is detected, the support frame 6 can perform a lifting action, thereby lifting the gear to be detected to a predetermined position to achieve longitudinal positioning of the gear to be detected, and after the gear to be detected is clamped, the support frame 6 can descend and separate from the gear to be detected, avoiding interference between the gear to be detected and the support frame 6 during rotation, thereby improving the accuracy of the detection result.

[0054] See also Figure 1 , Figure 2 , Figure 5 The elastic abutment assembly is connected to the first slide groove 101 formed on the workbench 1, and includes two groups of pressure structures, one of which is fixedly connected to the transverse plate 3;

[0055] The pressure structure includes a slider 7 slidably connected to the first slide groove 101, a vertical plate 8 is fixedly mounted on the slider 7, an energy storage kit is rotatably mounted on the vertical plate 8, and the vertical plate 8 is fixedly connected to the horizontal detector 24, the energy storage kit includes a follower shaft 9 rotatably connected to the vertical plate 8, a connecting sleeve shaft 10 is slidably mounted on the follower shaft 9, and the follower shaft 9 and the connecting sleeve shaft 10 are connected via a columnar spring 11;

[0056] The abutment portion 1001 is disposed at an end of the connecting sleeve shaft 10 away from the vertical plate 8 .

[0057] When the transverse plate 3 moves, one group of sliders 7 can follow the movement of the transverse plate 3, so that the vertical plate 8 can move toward the gear to be detected, and under the action of the two-way connection component, the two vertical plates 8 can move close to each other, wherein, in the initial stage of the movement of the transverse plate 3, the two vertical plates 8 are close to each other but do not contact the gear to be detected, that is, when the pulley 5 moves to the horizontal plane 302 via one of the inclined surfaces 301, the abutment portion 1001 does not contact the gear to be detected, but can first move the gear to be detected to a predetermined height, and after the gear to be detected moves to the predetermined height, the gear to be detected is just aligned with the connecting sleeve shaft 10. Axis, at the same time, with the lateral movement of the transverse plate 3 and the vertical plate 8, the abutment portion 1001 will abut against the gear to be detected, and then the connecting sleeve shaft 10 stops moving, and the follower shaft 9 continues to move, so that the cylindrical spring 11 is compressed, and the elastic force provided by the cylindrical spring 11 enables the abutment portions 1001 on both sides of the gear to be detected to clamp it. At this time, since the abutment portion 1001 is parallel to the vertical plane, the lateral positioning of the gear to be detected can be achieved, and after the abutment portion 1001 completes the clamping of the gear to be detected, the lateral detector 24 can abut against the side of the gear to be detected, and can detect the lateral jump of the gear to be detected.

[0058] Through the above arrangement, the gear to be inspected can be positioned laterally while entering the inspection station faster and more conveniently, thereby reducing the operating difficulty for operators.

[0059] See also Figure 2 , Figure 5 , Figure 8 A driving motor 14 is fixedly mounted on the workbench 1, and a rotating shaft 15 is connected to the output shaft of the driving motor 14. Two sets of sliding sleeves 13 are slidably sleeved on the rotating shaft 15. The sliding sleeves 13 are rotatably connected to the vertical plate 8, and the sliding sleeves 13 are connected to the follower shaft 9 through a transmission belt 12;

[0060] The rotating shaft 15 is formed with a limiting groove 1501 along its length direction, and the inner wall of the sliding sleeve 13 is formed with a limiting protrusion 1301 , and the limiting groove 1501 is slidably matched with the limiting protrusion 1301 .

[0061] When the vertical plate 8 moves, it can drive the sliding sleeve 13 to move, and with the cooperation of the limiting groove 1501 and the limiting protrusion 1301, the sliding sleeve 13 can always follow the rotation of the rotating shaft 15, and drive the follower shaft 9 to rotate through the transmission belt 12, so that the abutment parts 1001 on both sides of the gear to be detected can rotate synchronously, avoiding the rotation of a single abutment part 1001 or the rotation speed difference between the two abutment parts 1001 causing relative displacement between the abutment part 1001 and the gear to be detected, thereby further improving the accuracy of the detection result.

[0062] See also Figure 3 , Figure 6 The bidirectional connection component connects the slider 7 and the vertical detector 23. The bidirectional connection component can make the two groups of pressure structures move closer to or away from each other when one group of the pressure structures is actuated, and drive the vertical detector 23 to descend or ascend;

[0063] The bidirectional connection assembly includes a guide plate 19 arranged on the transverse plate 3 and one of the sliders 7, the guide plate 19 is parallel to the side plate 16 arranged on the workbench 1, two inclined grooves 1601 are symmetrically arranged on the side plate 16, a groove wheel 17 is rollingly installed in the inclined groove 1601, and a group of extensions 1701 are respectively arranged on both sides of the groove wheel 17, and the extensions 1701 are slidably connected with the third slide groove 1901 arranged along the length direction of the guide plate 19;

[0064] The two-way connection assembly further includes a horizontal retaining member connected to the extension portion 1701, the horizontal retaining member includes a lifting plate 18, and sliding connection portions 1802 are formed at both ends of the lifting plate 18, and the sliding connection portions 1802 are slidably connected to the guide portions 1602 arranged at both ends of the side plate 16;

[0065] The lifting plate 18 is provided with a retardation groove 1801 along its length direction, and the retardation groove 1801 is slidably connected with a hook plate 1702 provided on the extension portion 1701;

[0066] A fixed sleeve 21 is fixedly installed on the workbench 1, the interior of the fixed sleeve 21 is a hollow structure, and a telescopic plate 22 is slidably installed in the fixed sleeve 21, and the telescopic plate 22 is fixedly connected to the vertical detector 23;

[0067] The telescopic plate 22 is further provided with a connecting frame 20 that penetrates the fixed sleeve plate 21 and is connected to the lifting plate 18 .

[0068] When one of the sliders 7 is displaced synchronously with the transverse plate 3, it can drive one group of guide plates 19 to move relative to the other group of guide plates 19, and when the guide plate 19 moves, it can drive the groove wheel 17 to move along the length direction of the inclined groove 1601. At this time, the lifting plate 18 will move along the length direction of the guide part 1602, and thereby drive the other groove wheel 17 to move. The groove wheel 17 cooperates with the other inclined groove 1601 to drive the other guide plate 19 to move, so that the two groups of sliders 7 can move closer to or away from each other.

[0069] Specifically, when clamping the gear to be detected, when one of the sliders 7 moves toward the other slider 7, the groove wheel 17 will move downward along the length direction of the inclined groove 1601, and drive the lifting plate 18 to move downward. When the lifting plate 18 moves downward, on the one hand, it can drive the other slider 7 to move toward the gear to be detected, thereby clamping the gear to be detected. On the other hand, it can drive the telescopic plate 22 to move downward through the connecting frame 20, so that the vertical detector 23 can fit the gear to be detected, thereby realizing the detection of the longitudinal jump of the gear to be detected.

[0070] Through the above arrangement, on the one hand, when one of the sliders 7 moves, it can drive the other slider 7 to perform a corresponding action, thereby realizing the clamping and release of the gear to be detected. At the same time, when the two sliders 7 move relative to each other, they can drive the lifting plate 18 to rise and fall, thereby driving the vertical detector 23 to rise and fall, so that the vertical detector 23 is in place while the gear to be detected is clamped, thereby further improving the speed of the gear to be detected at the detection station and reducing the time required for debugging.

[0071] A method for detecting a gear using the gear radial runout detection device based on multi-directional positioning comprises the following steps:

[0072] Step 1: Place the gear to be tested in the arc groove 601 and start the driving device 2;

[0073] Step 2: The driving device 2 can drive one set of the pressure structures and the transverse plate 3 to move toward the gear to be detected, and during the movement, the support member will cooperate with the driving groove on the transverse plate 3, so that the support member drives the gear to be detected to move upward, and the gear to be detected stops rising after it moves to a predetermined height;

[0074] Step 3: The driving device 2 continues to drive the pressure structure and the transverse plate 3 to move, so that under the action of the bidirectional connection component, the two sets of pressure components can move synchronously toward the gear to be detected, until the two sets of pressure structures complete the clamping of the gear to be detected;

[0075] Step 4: When the two sets of pressure structures are close to each other, they can drive the two sets of horizontal detectors 24 to move toward the gear to be detected, and at the same time, the two-way connection assembly can drive the vertical detector 23 to move toward the gear to be detected;

[0076] Step 5: After the vertical detector 23 and the horizontal detector 24 are in place, the detection action is performed.

[0077] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0078] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A gear radial runout detection device based on multi-directional positioning, characterized in that: include: A workbench (1), wherein a vertical detector (23) and a horizontal detector (24) are provided on the workbench (1); A transverse moving plate (3) is arranged on the working platform (1), and a driving groove is formed on the transverse moving plate (3); A support member is mounted on the workbench (1) and is adapted to the driving groove, and when the transverse moving plate (3) moves transversely, the support member will drive the gear to be detected to perform a lifting action; An elastic abutment component connected to a No. 1 slide groove (101) formed on the workbench (1), comprising two groups of pressure structures, one of which is fixedly connected to the transverse plate (3); A two-way connection component, connecting the two groups of pressure structures and the vertical detector (23), wherein the two-way connection component can make the two groups of pressure structures move closer to or away from each other when one of the groups of pressure structures is in motion, and drive the vertical detector (23) to descend or ascend; The support member comprises a support frame (6) which is slidably arranged through the workbench (1), an arc-shaped groove (601) is formed on the support frame (6), and a pulley (5) is rotatably mounted on the lower end of the support frame (6); A horizontal surface (302) and an inclined surface (301) connected to two ends of the horizontal surface (302) and inclined downward are formed in the driving groove; The pressure structure comprises a slider (7) slidably connected to the first slide groove (101), a vertical plate (8) is fixedly mounted on the slider (7), an energy storage kit is rotatably mounted on the vertical plate (8), and the vertical plate (8) is fixedly connected to the lateral detector (24); An abutment portion (1001) is formed at one end of the energy storage kit away from the vertical plate (8); The energy storage kit comprises a follower shaft (9) rotatably connected to the vertical plate (8), a connecting sleeve shaft (10) is slidably mounted on the follower shaft (9), and the follower shaft (9) and the connecting sleeve shaft (10) are connected via a columnar spring (11); The abutment portion (1001) is arranged at an end of the connecting sleeve shaft (10) away from the vertical plate (8); The bidirectional connection assembly comprises a guide plate (19) arranged on the transverse plate (3) and one group of the sliders (7); the guide plate (19) is parallel to the side plate (16) arranged on the workbench (1); two inclined grooves (1601) are symmetrically arranged on the side plate (16); a groove wheel (17) is rollingly installed in the inclined groove (1601); a group of extension parts (1701) are respectively arranged on both sides of the groove wheel (17); the extension parts (1701) are slidably connected to a No. 3 slide groove (1901) arranged along the length direction of the guide plate (19); The two-way connection assembly further comprises a horizontal retaining member connected to the extension portion (1701); The horizontal holding member comprises a lifting plate (18), and sliding connection parts (1802) are formed at both ends of the lifting plate (18), and the sliding connection parts (1802) are slidably connected to the guide parts (1602) arranged at both ends of the side plate (16); The lifting plate (18) is provided with a retardation groove (1801) along its length direction, and the retardation groove (1801) is slidably connected to a hook plate (1702) provided on the extension portion (1701); A fixed sleeve (21) is fixedly mounted on the workbench (1), the interior of the fixed sleeve (21) is a hollow structure, and a telescopic plate (22) is slidably mounted inside the fixed sleeve (21), and the telescopic plate (22) is fixedly connected to the vertical detector (23); The telescopic plate (22) is also provided with a connecting frame (20) which passes through the fixed sleeve plate (21) and is connected to the lifting plate (18).

2. The gear radial runout detection device based on multi-directional positioning according to claim 1, characterized in that: A driving motor (14) is fixedly mounted on the workbench (1), a rotating shaft (15) is connected to the output shaft of the driving motor (14), two sets of sliding sleeves (13) are slidingly sleeved on the rotating shaft (15), the sliding sleeves (13) are rotatably connected to the vertical plate (8), and the sliding sleeves (13) are connected to the follower shaft (9) via a transmission belt (12); The rotating shaft (15) is formed with a limiting groove (1501) along its length direction, and a limiting protrusion (1301) is formed on the inner wall of the sliding sleeve (13), and the limiting groove (1501) is slidably matched with the limiting protrusion (1301).

3. A method for detecting a gear using the gear radial runout detection device based on multi-directional positioning as claimed in any one of claims 1 to 2, characterized in that: The following steps are involved: Step 1: placing the gear to be tested in the arc-shaped groove (601) and starting the driving device (2); Step 2: The driving device (2) is capable of driving one set of the pressure structures and the transverse plate (3) to move toward the gear to be detected, and during the movement, the support member will cooperate with the driving groove on the transverse plate (3), so that the support member drives the gear to be detected to move upward, and stops rising after the gear to be detected moves to a predetermined height; Step 3: The driving device (2) continues to drive the pressure structure and the transverse plate (3) to move, so that under the action of the bidirectional connection component, the two sets of pressure components can move synchronously toward the gear to be tested, until the two sets of pressure structures complete clamping the gear to be tested; Step 4: When the two sets of pressure structures are close to each other, they can drive the two sets of horizontal detectors (24) to move toward the gear to be detected, and at the same time, the two-way connection component can drive the vertical detector (23) to move toward the gear to be detected; Step 5: After the vertical detector (23) and the horizontal detector (24) are in place, the detection action is performed.

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