A kind of sling detection device

Abstract

The present invention relates to the technical field of detection devices, and discloses a sling detection device, including a base frame, a bracket and a positioning pin detection mechanism, wherein the base frame is provided with a positioning pin, the positioning pin detection mechanism is arranged on the bracket, the positioning pin detection mechanism includes a lifting assembly, an offset adjustment module and a pin sleeve, the lifting assembly is arranged on the bracket, the offset adjustment module is connected to the lifting assembly, and the pin sleeve is arranged on the offset adjustment module. The lifting assembly is used to control the pin sleeve to descend to the position of the positioning pin. If the pin sleeve is directly inserted into the positioning pin, the position of the positioning pin meets the requirements. If the pin sleeve deviates from the positioning pin, the offset adjustment module is used to make the pin sleeve offset a certain distance and insert into the positioning pin, and then the position of the positioning pin is adjusted until the pin sleeve is reset to the initial state, and the adjusted position meets the requirements. The adjustment is achieved in place at one time, which greatly improves the efficiency of detection and adjustment.

Description

Technical Field

[0001] The present invention relates to the technical field of detection devices, and in particular to a hanger detection device. Background Art

[0002] On the automobile production line, the car body usually needs to be transferred from the low-level interior assembly conveyor to the aerial suspension conveyor for chassis assembly. Sometimes the car body also needs to be rotated with the rotating hoist for assembly at a specific station. The aerial conveyance of the car body is generally achieved through EMS and the car body hoist. In order to ensure the safety and stability of the car body during aerial transportation, the car body needs to be locked on the hoist to prevent the car body from tilting forward and rolling over, which may cause safety accidents.

[0003] The existing sling detection device determines the accuracy of the sling by manually judging whether the locating pin detection hole can easily fit the locating pin on the sling. This solution has low detection accuracy and requires high operating skills of the operator. In addition, the detection efficiency of the sling detection device is low, and it is impossible to achieve detection while adjusting. When adjusting the locating pin, it is necessary to first pull the locating pin detection plate away from the locating pin, and then detect whether the adjusted locating pin meets the requirements after adjustment. The adjustment effect cannot be known in time, and repeated positioning, detection, adjustment and other operations are required, which is time-consuming and labor-intensive. Summary of the invention

[0004] The technical problem to be solved by the present invention is: how to detect the positioning pin and adjust the positioning pin at the same time.

[0005] In order to solve the above technical problems, the present invention provides a sling detection device, including a base frame, a bracket and a positioning pin detection mechanism, wherein the bracket is arranged on the base frame, the base frame is provided with a positioning pin, and the positioning pin detection mechanism is arranged on the bracket.

[0006] The positioning pin detection mechanism includes a lifting assembly, an offset adjustment module and a pin sleeve. The lifting assembly is arranged on the bracket, the offset adjustment module is connected to the lifting assembly, and the pin sleeve is arranged on the offset adjustment module. When the pin sleeve descends and is inserted into the positioning pin in an offset state, the positioning pin is adjusted to reset the pin sleeve to an initial state.

[0007] As a preferred solution, the offset adjustment module includes a first movable component and a second movable component that move along the horizontal direction, the first movable component is arranged on the lifting component, the second movable component is connected to the first movable component, the pin sleeve is arranged on the second movable component, and the moving direction of the first movable component is perpendicular to the moving direction of the second movable component.

[0008] As a preferred solution, the first moving assembly includes a first guide rail and a first slide, the first guide rail is arranged on the lifting assembly, and the first slide is slidably connected to the first guide rail;

[0009] The second moving assembly includes a second guide rail and a second slide, the second guide rail is arranged on the first slide, the second slide is slidably connected to the second guide rail, and the pin sleeve is arranged on the second slide.

[0010] As a preferred solution, the first moving assembly further comprises a first magnetic strip and a first magnetic head, the first magnetic strip is arranged on the lifting assembly, the first magnetic head is arranged on the first slide, and the first magnetic head moves relative to the first magnetic strip to obtain the offset in the direction;

[0011] The second moving component also includes a second magnetic strip and a second magnetic head, the second magnetic strip is arranged on the first slide, the second magnetic head is arranged on the second slide, and the second magnetic head moves relative to the second magnetic strip to obtain the offset in the direction.

[0012] As a preferred solution, a first centering component is provided between the first moving component and the lifting component, and a second centering component is provided between the first moving component and the second moving component.

[0013] As a preferred solution, the first return assembly includes a first bottom plate, a first movable plate, a first fixed plate, a second fixed plate, a first elastic member and a second elastic member, the first bottom plate is arranged on the first slide, the first fixed plate and the second fixed plate are arranged on the first bottom plate relatively, the first movable plate is connected to the lifting assembly, the first movable plate is located between the first fixed plate and the second fixed plate, one side of the first movable plate is connected to the first fixed plate through the first elastic member, and the other side of the first movable plate is connected to the second fixed plate through the second elastic member;

[0014] The second return assembly includes a second bottom plate, a second movable plate, a third fixed plate, a fourth fixed plate, a third elastic member and a fourth elastic member. The second bottom plate is arranged on the second slide platform. The third fixed plate and the fourth fixed plate are arranged on the second bottom plate relatively to each other. The second movable plate is connected to the first slide platform. The second movable plate is located between the third fixed plate and the fourth fixed plate. One side of the second movable plate is connected to the third fixed plate through the third elastic member, and the other side of the second movable plate is connected to the fourth fixed plate through the fourth elastic member.

[0015] As a preferred embodiment, the lifting assembly includes a base, a lifting drive, a lifting guide rail and a lifting slider, the base is fixed on the bracket, the lifting drive and the lifting guide rail are arranged on the base, the power output end of the lifting drive is connected to the lifting slider, the lifting slider is slidably connected to the lifting guide rail, and the offset adjustment module is arranged on the lifting slider.

[0016] As a preferred solution, it also includes a rubber block detection mechanism for detecting the rubber block supported by the sling, the positioning pin detection mechanism is arranged at the front end of the bracket, and the rubber block detection mechanism is arranged on the left and right sides of the bracket.

[0017] As a preferred solution, the rubber block detection mechanism includes a support arm, a third moving component, a fourth moving component and a distance sensor, the support arm is fixed on the bracket, the third moving component is arranged on the support arm, the fourth moving component is connected to the third moving component, the distance sensor is arranged on the fourth moving component, and the moving direction of the third moving component is perpendicular to the moving direction of the fourth moving component.

[0018] As a preferred solution, the third moving assembly includes a third guide rail and a third slide, the third guide rail is arranged on the support arm, and the third slide is slidably connected to the third guide rail;

[0019] The fourth moving component includes a fourth guide rail and a fourth slide, the fourth guide rail is arranged on the third slide, the fourth slide is slidably connected to the fourth guide rail, and the distance sensor is arranged on the fourth slide.

[0020] Compared with the prior art, the sling detection device provided by the present invention has the following beneficial effects:

[0021] The present invention uses the lifting assembly to control the pin sleeve to descend to the position of the positioning pin. If the pin sleeve is directly inserted into the positioning pin, the position of the positioning pin meets the requirements. If the pin sleeve deviates from the positioning pin, the position of the pin sleeve is adjusted by the offset adjustment module so that the pin sleeve is offset by a certain distance and inserted into the positioning pin. The position of the positioning pin is then adjusted until the pin sleeve is reset to the initial state. The adjusted position of the positioning pin meets the requirements. In this process, the adjustment effect is known in time, and the adjustment is achieved once and for all without repeated positioning, detection, and adjustment operations, which greatly improves the detection and adjustment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of a hanger detection device according to a preferred embodiment of the present invention.

[0023] Figure 2It is a structural schematic diagram of a positioning pin detection mechanism in a hanger detection device according to a preferred embodiment of the present invention.

[0024] Figure 3 for Figure 2 Another perspective structural diagram of .

[0025] Figure 4 It is a structural schematic diagram of the first return assembly in the hanger detection device of the preferred embodiment of the present invention.

[0026] Figure 5 It is a structural schematic diagram of the second centering component in the hanger detection device of the preferred embodiment of the present invention.

[0027] Figure 6 It is a cross-sectional schematic diagram of a pin sleeve in a hanger detection device according to a preferred embodiment of the present invention.

[0028] Figure 7 It is a structural schematic diagram of a rubber block detection mechanism in a hanger detection device according to a preferred embodiment of the present invention.

[0029] Figure 8 for Figure 7 Another perspective structural diagram of .

[0030] Fig. 9 for Figure 7 Another perspective structural diagram of .

[0031] In the figure:

[0032] 100. Base frame;

[0033] 200. Bracket;

[0034] 300. Positioning pin detection mechanism; 310. Lifting assembly; 311. Base; 312. Lifting drive member; 313. Lifting guide rail; 314. Lifting slider; 320. Pin sleeve; 330. First moving assembly; 331. First guide rail; 332. First slide; 333. First magnetic strip; 334. First magnetic head; 340. Second moving assembly; 341. Second guide rail; 342. Second slide; 343. Second magnetic strip; 344. second magnetic head; 350. first return centering assembly; 351. first bottom plate; 352. first movable plate; 353. first fixed plate; 354. second fixed plate; 355. first elastic member; 356. second elastic member; 360. second return centering assembly; 361. second bottom plate; 362. second movable plate; 363. third fixed plate; 364. fourth fixed plate; 365. third elastic member; 366. fourth elastic member;

[0035] 400. Rubber block detection mechanism; 410. Support arm; 420. Third moving assembly; 421. Third guide rail; 422. Third slide; 423. First handle; 430. Fourth moving assembly; 431. Fourth guide rail; 432. Fourth slide; 433. Second handle; 440. Distance sensor;

[0036] 500. Locating pin. DETAILED DESCRIPTION

[0037] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0038] In the description of the present invention, it should be noted that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0039] In the description of the present invention, it should be understood that the terms "connected", "connected", "fixed" and the like used in the present invention should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a welding connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] like Figures 1 to 9 As shown, a preferred embodiment of the present invention provides a hanger detection device, including a base frame 100, a bracket 200 and a positioning pin detection mechanism 300, wherein the bracket 200 is arranged on the base frame 100, the base frame 100 is provided with a positioning pin 500, and the positioning pin detection mechanism 300 is arranged on the bracket 200.

[0041] The positioning pin detection mechanism 300 includes a lifting component 310, an offset adjustment module and a pin sleeve 320. The lifting component 310 is arranged on the bracket 200, the offset adjustment module is connected to the lifting component 310, and the pin sleeve 320 is arranged on the offset adjustment module. When the pin sleeve 320 descends and is inserted into the positioning pin 500 in an offset state, the positioning pin 500 is adjusted to reset the pin sleeve 320 to an initial state.

[0042] Based on the above technical features, the lifting assembly 310 is used to control the pin sleeve 320 to descend to the position of the positioning pin 500. If the pin sleeve 320 is directly inserted into the positioning pin 500, the position of the positioning pin 500 meets the requirements. If the pin sleeve 320 deviates from the positioning pin 500, the position of the pin sleeve 320 is adjusted by the offset adjustment module so that the pin sleeve 320 is offset by a certain distance and inserted into the positioning pin 500. Then, the position of the positioning pin 500 is adjusted until the pin sleeve 320 is reset to the initial state. Then, the adjusted position of the positioning pin 500 meets the requirements. In this process, the adjustment effect is known in time, and the adjustment is achieved once and for all without repeated positioning, detection, and adjustment operations, which greatly improves the detection and adjustment efficiency.

[0043] like Figure 2 and Figure 3 As shown, in this embodiment, the offset adjustment module includes a first movable component 330 and a second movable component 340 that move along the horizontal direction, the first movable component 330 is arranged on the lifting component 310, the second movable component 340 is connected to the first movable component 330, the pin sleeve 320 is arranged on the second movable component 340, the moving direction of the first movable component 330 is perpendicular to the moving direction of the second movable component 340, and the pin sleeve 320 is adjusted within the range of two perpendicular moving directions to achieve the offset of the pin sleeve 320 at any position within the range.

[0044] Specifically, the first moving assembly 330 includes a first guide rail 331 and a first slide 332, the first guide rail 331 is arranged on the lifting slider 314 of the lifting assembly 310, and the first slide 332 is slidably connected to the first guide rail 331; the second moving assembly 340 includes a second guide rail 341 and a second slide 342, the second guide rail 341 is arranged on the first slide 332, the second slide 342 is slidably connected to the second guide rail 341, and the pin sleeve 320 is arranged on the second slide 342. The axial direction of the first guide rail 331 is perpendicular to the axial direction of the second guide rail 341, the pin sleeve 320 is moved along the second guide rail 341 through the second slide 342, and the second guide rail 341 is moved along the first guide rail 331 through the first slide 332, so that the pin sleeve 320 moves within two perpendicular moving direction ranges.

[0045] Furthermore, the first moving component 330 also includes a first magnetic stripe 333 and a first magnetic head 334, the first magnetic stripe 333 is arranged on the lifting component 310, the first magnetic head 334 is arranged on the first slide 332, the first magnetic head 334 moves relative to the first magnetic stripe 333 to obtain the offset in the direction, and automatically detects the offset in the direction; the second moving component 340 also includes a second magnetic stripe 343 and a second magnetic head 344, the second magnetic stripe 343 is arranged on the first slide 332, the second magnetic head 344 is arranged on the second slide 342, the second magnetic head 344 moves relative to the second magnetic stripe 343 to obtain the offset in the direction, and also automatically detects the offset in the direction, and then combines the offsets in the two directions to quickly adjust the position of the positioning pin 500, wherein the first magnetic stripe 333 and the second magnetic stripe 343 can use electronic magnetic rulers, which can automatically read the offset and display it in real time on a digital display, which is more intuitive. When the data displayed on the digital display is 0, it means that the accuracy of the positioning pin 500 of the sling has met the requirements.

[0046] In this embodiment, a first centering component 350 is provided between the first moving component 330 and the lifting component 310, and a second centering component 360 is provided between the first moving component 330 and the second moving component 340, so as to realize rapid resetting of the first moving component 330 and the second moving component 340 to the initial position.

[0047] Specifically, Figure 4 As shown, the first return assembly 350 includes a first bottom plate 351, a first movable plate 352, a first fixed plate 353, a second fixed plate 354, a first elastic member 355 and a second elastic member 356. The first bottom plate 351 is arranged on the first slide 332. The first fixed plate 353 and the second fixed plate 354 are arranged on the first bottom plate 351 relatively. The first movable plate 352 is connected to the lifting slider 314 of the lifting assembly 310. The first movable plate 352 is located between the first fixed plate 353 and the second fixed plate 354. 2 is connected to the first fixed plate 353 through the first elastic member 355, and the other side of the first movable plate 352 is connected to the second fixed plate 354 through the second elastic member 356. No matter the first movable plate 352 moves toward the first fixed plate 353 or the second fixed plate 354, the elastic forces of the first elastic member 355 and the second elastic member 356 can assist the first movable plate 352 to quickly return to the middle position, thereby reducing the time required for adjusting the positioning pin 500. The first elastic member 355 and the second elastic member 356 are both springs.

[0048] like Figure 5As shown, the second return centering component 360 includes a second bottom plate 361, a second movable plate 362, a third fixed plate 363, a fourth fixed plate 364, a third elastic member 365 and a fourth elastic member 366. The second bottom plate 361 is arranged on the second slide 342, the third fixed plate 363 and the fourth fixed plate 364 are relatively arranged on the second bottom plate 361, the second movable plate 362 is connected to the first slide 332, the second movable plate 362 is located between the third fixed plate 363 and the fourth fixed plate 364, one side of the second movable plate 362 is connected to the third fixed plate 363 through the third elastic member 365, and the other side of the second movable plate 362 is connected to the fourth fixed plate 364 through the fourth elastic member 366. The structure of the second return centering component 360 is similar to that of the first return centering component 350, which will not be repeated here.

[0049] like Figure 2 and Figure 3 As shown, in this embodiment, the lifting assembly 310 includes a base 311, a lifting drive 312, a lifting guide rail 313 and a lifting slider 314. The base 311 is fixed on the bracket 200. The lifting drive 312 and the lifting guide rail 313 are arranged on the base 311. The power output end of the lifting drive 312 is connected to the lifting slider 314. The lifting slider 314 is slidably connected to the lifting guide rail 313. The offset adjustment module is arranged on the lifting slider 314. Under the drive of the lifting drive 312, the offset adjustment module and the pin sleeve 320 are driven to move up and down along the lifting guide rail 313 to realize their up and down movement function. The lifting drive 312 is a telescopic cylinder, which is controlled by the cylinder operating handle and the air pipe to perform telescopic action. The cylinder operating handle is installed on the bracket 200 and is located in front of the digital display controller.

[0050] In addition, if Figure 6 As shown, the hole of the pin sleeve 320 is an inverted cone structure, and the positioning pin 500 is easier to enter the pin sleeve 320 during detection. The positioning pin 500 is located below the pin sleeve 320.

[0051] In this embodiment, a rubber block detection mechanism 400 for detecting the rubber block supported by the sling is also included. The positioning pin detection mechanism 300 is arranged at the front end of the bracket 200. The rubber block detection mechanism 400 is arranged on the left and right sides of the bracket 200. There are four rubber block detection mechanisms 400 in total, so that the distance sensor 440 is located on the upper side of the sling rubber block. The distance sensor 440 will automatically display the distance between the rubber block surface and the standard surface. The displayed value of the distance sensor 440 can be used to determine whether different parts of the rubber block are worn and deformed, and whether the height of the rubber block is in the same plane.

[0052] Specifically, Figures 7 to 9 As shown, the rubber block detection mechanism 400 includes a support arm 410, a third moving component 420, a fourth moving component 430 and a distance sensor 440. The support arm 410 is fixed on the bracket 200, the third moving component 420 is arranged on the support arm 410, the fourth moving component 430 is connected to the third moving component 420, and the distance sensor 440 is arranged on the fourth moving component 430. The moving direction of the third moving component 420 is perpendicular to the moving direction of the fourth moving component 430. The position of the distance sensor 440 is adjusted by the third moving component 420 and the fourth moving component 430 to realize the comprehensive detection of the rubber block by the distance sensor 440, and the wear and deformation of the rubber block is judged by the change in height, so as to monitor the wear and deformation of the sling support rubber block in all directions.

[0053] Furthermore, the third movable assembly 420 includes a third guide rail 421 and a third slide 422, the third guide rail 421 is arranged on the support arm 410, the third slide 422 is slidably connected to the third guide rail 421, and the third slide 422 is provided with a first handle 423, and the position of the distance sensor 440 in this direction is adjusted by driving the third slide 422 to slide; the fourth movable assembly 430 includes a fourth guide rail 431 and a fourth slide 432, the fourth guide rail 431 is arranged on the third slide 422, the fourth slide 432 is slidably connected to the fourth guide rail 431, the distance sensor 440 is arranged on the fourth slide 432, and the fourth slide 432 is provided with a second handle 433, and then by driving the fourth slide 432 to slide, the distance sensor 440 can be moved on the plane to judge the wear and deformation of the rubber block.

[0054] The working process of the sling detection device described in the present invention is as follows: (1) Adjust the distance sensor 440 and the electronic magnetic ruler for rubber block detection; (2) Push the sling into the detection area, and the positioning device on the sling track clamps the sling; (3) Move the corresponding movable slide by the first handle 423 and the second handle 433 so that the distance sensor 440 is located above the sling rubber block to be detected, and the distance sensor 440 will automatically display the height value of the rubber block. The movable slide moves on different parts of the rubber block, and the wear and deformation of the rubber block can be judged according to the value displayed by the distance sensor 440; (4) Control the lifting drive member 312 to descend. When the pin sleeve 320 is directly inserted into the positioning pin 500, the position of the positioning pin 500 meets the requirements, and there is no need to adjust the position of the positioning pin 500. If the pin sleeve 320 deviates from the locating pin 500, the position of the pin sleeve 320 is adjusted by the offset adjustment module so that the pin sleeve 320 is offset by a certain distance and inserted into the locating pin 500, and then the position of the locating pin 500 is adjusted with the assistance of the first return centering component 350 and the second return centering component 360 until the pin sleeve 320 is reset to its initial state. During the adjustment process, the offset is displayed on a digital display, and then the position of the locating pin 500 is adjusted according to the offset. The adjustment status of the locating pin 500 is displayed in real time. If the data displayed on the digital display is 0, it means that the accuracy of the sling locating pin 500 has met the requirements, and the inspection and adjustment of the sling is completed.

[0055] In summary, the embodiments of the present invention provide a sling detection device having the following advantages: (1) High-precision detection: A high-precision electronic magnetic scale is installed on the offset adjustment module of the positioning pin 500, which can realize automatic display of the position parameters of the positioning pin 500, and the detection accuracy reaches ±0.1mm. (2) High-efficiency adjustment: The first return centering component 350 and the second return centering component 360 are designed on the positioning pin 500, which can realize simultaneous detection and adjustment of the positioning pin 500, so as to achieve one-time adjustment and avoid repeated adjustment and positioning. (3) All-round detection: The rubber block detection mechanism 400 of the sling is installed, and the height of the sling rubber block is automatically detected by the distance sensor 440, and then the wear and deformation of the rubber block is judged by the change in height, so as to monitor the wear and deformation of the sling support rubber block in all directions.

[0056] The above description is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A sling detection device, characterized in that: It includes a base frame, a bracket and a positioning pin detection mechanism, wherein the bracket is arranged on the base frame, the base frame is provided with a positioning pin, and the positioning pin detection mechanism is arranged on the bracket. The positioning pin detection mechanism includes a lifting assembly, an offset adjustment module and a pin sleeve, wherein the lifting assembly is arranged on the bracket, the offset adjustment module is connected to the lifting assembly, and the pin sleeve is arranged on the offset adjustment module; The offset adjustment module includes a first moving assembly and a second moving assembly moving in a horizontal direction, the first moving assembly is arranged on the lifting assembly, the second moving assembly is connected to the first moving assembly, the pin sleeve is arranged on the second moving assembly, and the moving direction of the first moving assembly is perpendicular to the moving direction of the second moving assembly; A first centering assembly is provided between the first moving assembly and the lifting assembly, and a second centering assembly is provided between the first moving assembly and the second moving assembly; When the pin sleeve descends and is inserted into the positioning pin in an offset state, the positioning pin is adjusted by the first centering component and the second centering component so that the pin sleeve is reset to an initial state; The first moving assembly includes a first guide rail and a first slide, the first guide rail is arranged on the lifting assembly, and the first slide is slidably connected to the first guide rail; The second moving assembly comprises a second guide rail and a second slide, the second guide rail is arranged on the first slide, the second slide is slidably connected to the second guide rail, and the pin sleeve is arranged on the second slide; The first moving assembly further comprises a first magnetic strip and a first magnetic head, wherein the first magnetic strip is arranged on the lifting assembly, the first magnetic head is arranged on the first slide, and the first magnetic head moves relative to the first magnetic strip to obtain the offset in the direction; The second moving component also includes a second magnetic strip and a second magnetic head, the second magnetic strip is arranged on the first slide, the second magnetic head is arranged on the second slide, and the second magnetic head moves relative to the second magnetic strip to obtain the offset in the direction.

2. The hanger detection device according to claim 1, characterized in that: The first return assembly includes a first bottom plate, a first movable plate, a first fixed plate, a second fixed plate, a first elastic member and a second elastic member, the first bottom plate is arranged on the first slide, the first fixed plate and the second fixed plate are arranged on the first bottom plate opposite to each other, the first movable plate is connected to the lifting assembly, the first movable plate is located between the first fixed plate and the second fixed plate, one side of the first movable plate is connected to the first fixed plate through the first elastic member, and the other side of the first movable plate is connected to the second fixed plate through the second elastic member; The second return assembly includes a second bottom plate, a second movable plate, a third fixed plate, a fourth fixed plate, a third elastic member and a fourth elastic member. The second bottom plate is arranged on the second slide platform. The third fixed plate and the fourth fixed plate are arranged on the second bottom plate relatively to each other. The second movable plate is connected to the first slide platform. The second movable plate is located between the third fixed plate and the fourth fixed plate. One side of the second movable plate is connected to the third fixed plate through the third elastic member, and the other side of the second movable plate is connected to the fourth fixed plate through the fourth elastic member.

3. The hanger detection device according to claim 1, characterized in that: The lifting assembly includes a base, a lifting drive, a lifting guide rail and a lifting slider, the base is fixed on the bracket, the lifting drive and the lifting guide rail are arranged on the base, the power output end of the lifting drive is connected to the lifting slider, the lifting slider is slidably connected to the lifting guide rail, and the offset adjustment module is arranged on the lifting slider.

4. The hanger detection device according to any one of claims 1 to 3, characterized in that: It also includes a rubber block detection mechanism for detecting the rubber block supported by the sling, the positioning pin detection mechanism is arranged at the front end of the bracket, and the rubber block detection mechanism is arranged on the left and right sides of the bracket.

5. The hanger detection device according to claim 4, characterized in that: The rubber block detection mechanism includes a support arm, a third moving component, a fourth moving component and a distance sensor. The support arm is fixed on the bracket, the third moving component is arranged on the support arm, the fourth moving component is connected to the third moving component, the distance sensor is arranged on the fourth moving component, and the moving direction of the third moving component is perpendicular to the moving direction of the fourth moving component.

6. The hanger detection device according to claim 5, characterized in that: The third moving assembly comprises a third guide rail and a third slide, wherein the third guide rail is arranged on the support arm, and the third slide is slidably connected to the third guide rail; The fourth moving component includes a fourth guide rail and a fourth slide, the fourth guide rail is arranged on the third slide, the fourth slide is slidably connected to the fourth guide rail, and the distance sensor is arranged on the fourth slide.

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