CN217006013U

CN217006013U - Detection mechanism of full-automatic water meter detection platform

Info

Publication number: CN217006013U
Application number: CN202220866631.1U
Authority: CN
Inventors: 周勇; 曲仕文; 朱伟
Original assignee: Shandong Sanyu Intelligent Equipment Co ltd
Current assignee: Shandong Sanyu Intelligent Equipment Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-07-19
Anticipated expiration: 2032-04-15

Abstract

The application provides a detection mechanism of full-automatic water gauge verification platform belongs to water gauge verification technical field. The detection mechanism of the full-automatic water meter detection platform comprises a support and a detection assembly. The sleeve and the sliding pipe respectively penetrate through two ends of the air cavity, the first air pipe is inserted in the air cavity and communicated with the middle cavity of the air cavity, the second air pipe is inserted in the air cavity and communicated with the cavities on two sides of the air cavity, and the first air pipe and the second air pipe are both communicated with the reversing valve. This detection mechanism of full-automatic water gauge checking platform carries out the clamping to the water gauge through setting up by air pump driven double-layered table mechanism, and water pump control is toward pressing from both sides water gauge mechanism and water gauge internal water injection, detects the leakproofness and the performance such as resistance to pressure of water gauge, and every group water gauge sets up independent pneumatic mounting fixture, and the clamping speed is faster for detection efficiency obtains very big improvement, and degree of automation is high, has reduced human cost's input.

Description

Detection mechanism of full-automatic water meter detection platform

Technical Field

The application relates to the technical field of water meter verification, in particular to a detection mechanism of a full-automatic water meter verification platform.

Background

The water gauge is the necessary measuring tool of domestic water, and market usage is big, and the measurement accuracy of water gauge is the indispensable detection index when dispatching from the factory, also is relevant with the water supply user interest of cutting into one's mind simultaneously. The traditional water meter verification platform device is simple and crude, manual control of starting and stopping of components such as a water inlet main valve and a water outlet valve is needed, the mode that a plurality of stations are operated simultaneously causes high labor cost, the efficiency is low, meanwhile, errors easily occur to cause experimental errors, when the water meter is clamped, an ordinary hydraulic top-mounted clamp is usually adopted by the existing verification platform, a plurality of water meters need to be clamped in sequence, and the detection efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to compensate for above not enough, this application provides a detection mechanism of full-automatic water gauge verification platform, aims at improving the clamping inefficiency of traditional water gauge verification platform to the water gauge, and consumes the higher problem of human cost.

The embodiment of the application provides a detection mechanism of full-automatic water meter detection platform, including support and determine module.

The support includes mounting bracket, operation panel and water tank, operation panel fixed mounting in the mounting bracket inner wall, water tank fixed mounting in the operation panel bottom.

The detection assembly comprises a detection groove, a meter clamping mechanism, a supporting plate, a water pump, a water inlet pipe, a water outlet pipe, a water valve, an air pump, a reversing valve and a camera mechanism, the detection groove is fixedly arranged at the top of the operation table, the meter clamping mechanism comprises an air cavity, a sleeve, a sliding pipe, a joint, a first sliding plate, a second sliding plate, a first air pipe and a second air pipe, the air cavity is fixedly connected with the inner wall of the detection groove, the sleeve and the sliding pipe respectively penetrate through two ends of the air cavity, one end of the sleeve is slidably sleeved on the sliding pipe, the joint is respectively arranged at the other ends of the sleeve and the sliding pipe, the first sliding plate and the second sliding plate are respectively sleeved on the sliding pipe and the sleeve, the first sliding plate and the second sliding plate are slidably arranged on the inner wall of the air cavity and divide the air cavity into three chambers, and the first air pipe is inserted in the air cavity and communicated with the middle chamber of the air cavity, the second air pipe is inserted in the air cavity and communicated with the cavities at the two sides of the air cavity, the meter clamping mechanisms are provided with a plurality of groups, the meter clamping mechanisms are arranged in the detection groove at equal intervals, the supporting plate is arranged at the bottom of the detection groove, the water pump is fixedly arranged on the operating platform, the water outlet of the water pump is communicated with the joint, the water inlet of the water pump is communicated with the water tank through the water inlet pipe, the two ends of the water outlet pipe are respectively communicated with the joint and the water tank, the water valve is sleeved on the water outlet pipe, the air pump is fixedly arranged on the operating platform, the air outlet of the air pump is communicated with the reversing valve, the first air pipe and the second air pipe are both communicated with the reversing valve, the camera shooting mechanism comprises a connecting rod, an installation barrel and a camera, and the installation barrel is fixedly connected with the top of the inner wall of the installation frame through the connecting rod, the camera is installed in the installation cylinder, the camera shooting mechanism is provided with a plurality of groups, and the plurality of groups of camera shooting mechanisms correspond to the plurality of groups of meter clamping mechanisms.

In the above-mentioned realization in-process, carry out the clamping to the water gauge through setting up by air pump driven double-layered table mechanism, the air pump drives first slide and second slide and slides in the air cavity, push out slide pipe and sleeve pipe from the air cavity, carry out the clamping to the water gauge between two sets of double-layered table mechanisms, water pump control is toward pressing from both sides table mechanism and water gauge in water injection, detect the leakproofness and the resistance to pressure performance etc. of water gauge, set up camera mechanism at the top of water gauge, dial plate data feedback through camera record water gauge sets up independent pneumatic mounting fixture to the data analysis end, every group water gauge, the clamping speed is faster, compare ordinary water conservancy top clamping and save time more additionally, make detection efficiency obtain very big improvement, and the automation is high, the input of human cost has been reduced.

In a specific embodiment, the support further comprises universal wheels, and the universal wheels are fixedly installed at four corners of the bottom of the mounting rack.

In the implementation process, the universal wheels are arranged at the bottom of the mounting frame, so that the whole equipment can be easily moved, labor and force are saved, and the operation is convenient.

In a specific embodiment, the bracket further comprises a push door, and the push door is mounted on the top of the operating table.

In the implementation process, one side of the top of the operating platform is provided with the push door, and when the detection is performed after the water meter is clamped, the push door is closed, so that the phenomenon that the water meter has quality defects to cause the burst of the dial glass sheet is avoided, and the push door can prevent splashed glass from hurting people.

In a particular embodiment, the joint is internally provided with a gasket.

In the implementation process, the gasket is arranged in the joint, so that the tightness of the joint connected with the water inlet and the water outlet of the water meter is improved, and the influence of water leakage at the joint on the detection effect is avoided, so that the detection data has errors.

In a specific embodiment, the joint is threadedly received between the slip pipe and the casing.

In the implementation process, the connector is sleeved at the end part of the sliding pipe and the sleeve pipe through threads, and when the water meters with different specifications are detected, the connector can be detached and replaced by the connector with the corresponding specification, so that the detection mechanism is stronger in applicability.

In a specific embodiment, the detection assembly further comprises a water tank, and the water tank is fixedly connected with the side wall of the detection tank.

In the above-mentioned realization process, the lateral wall that detects the groove is connected with the basin, and after detecting the completion, dismantles the water gauge from pressing from both sides table mechanism, has surplus water in at this moment the water gauge, can empty in the basin with surplus water, avoids dripping ground influence environment.

In a specific embodiment, the bottom of the sink is provided with a drain through which the sink communicates with the tank.

In the implementation process, the water tank is communicated with the water tank through the water discharge pipe, water in the water tank can timely flow back to the water tank, water circulation in the device is achieved, and water resources are saved.

In a specific embodiment, the connecting rod comprises a sliding rod, a loop bar and a limit pin, the loop bar is sleeved on the sliding rod in a sliding manner, and the limit pin penetrates through the side wall of the loop bar in a threaded manner and is abutted against the sliding rod.

In the implementation process, the rotary limiting pin is separated from the slide rod, and the position of the loop bar on the slide rod can be changed, so that the length of the connecting rod is changed, the distance between the camera and the dial plate is changed, and the shooting distance of the camera is adjusted.

In a specific embodiment, the installation cylinder comprises a fixed cylinder and a rotating cylinder, and the rotating cylinder is rotatably installed at the bottom of the fixed cylinder.

In the implementation process, the rotary drum can be rotated to drive the camera to rotate, so that the shooting angle of the camera can be adjusted, the shooting effect of the camera can be finely adjusted, and the imaging fed back by the camera is clearer and more accurate.

In a specific embodiment, the bottom of the supporting plate is provided with an adjusting frame, the adjusting frame comprises a mounting plate, a bolt and a limit nut, the supporting plate is fixedly mounted at the top of the mounting plate, the bolt thread penetrates through the mounting plate, and the limit nut is arranged at the bottom of the mounting plate and is sleeved on the bolt in a threaded manner.

In the implementation process, the height of the mounting plate is changed by rotating the limiting nut, so that the height of the supporting plate is changed, and the water inlet and the water outlet of the water meter placed on the supporting plate can be opposite to the joint of the meter clamping mechanism.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also derive other related drawings based on these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a detection mechanism of a full-automatic water meter detection platform provided in an embodiment of the present application;

FIG. 2 is a schematic diagram of a stent structure provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a detection assembly according to an embodiment of the present disclosure;

FIG. 4 is a partial cross-sectional view of a detection assembly provided in accordance with an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a meter clamping mechanism provided in an embodiment of the present application;

fig. 6 is a schematic structural diagram of a camera shooting mechanism provided in the embodiment of the present application;

fig. 7 is a schematic structural diagram of an adjusting bracket according to an embodiment of the present application.

In the figure: 100-a scaffold; 110-a mounting frame; 120-an operation table; 130-a water tank; 140-universal wheels; 150-pushing the door; 200-a detection component; 210-a detection tank; 220-a meter clamping mechanism; 221-an air cavity; 222-a sleeve; 223-a slide tube; 224-a linker; 2241-a gasket; 225-a first sled; 226-a second sled; 227-a first trachea; 228-a second trachea; 230-a pallet; 231-an adjusting bracket; 2311-mounting a plate; 2312-bolt; 2313-stop nut; 240-a water pump; 241-a water inlet pipe; 242-water outlet pipe; a 250-water valve; 260-an air pump; 270-a reversing valve; 280-a camera mechanism; 281-connecting rods; 2811-sliding bar; 2812-loop bar; 2813-a limit pin; 282-a mounting cylinder; 2821-fixed cylinder; 2822-a rotating drum; 283-a camera; 290-a water tank; 291-drain pipe.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

Referring to fig. 1, the present application provides a detection mechanism for a full-automatic water meter detection platform, which includes a bracket 100 and a detection assembly 200.

Referring to fig. 2, the bracket 100 includes a mounting frame 110, a console 120 and a water tank 130, the console 120 is fixedly mounted on an inner wall of the mounting frame 110, and the water tank 130 is fixedly mounted at a bottom of the console 120.

In other embodiments, the support 100 further comprises universal wheels 140, and the universal wheels 140 are fixedly mounted at four corners of the bottom of the mounting frame 110, so that the whole device can be easily moved, labor and force are saved, and the operation is convenient.

In other embodiments, the support 100 further comprises a push door 150, the push door 150 is installed at the top of the operating platform 120, and when the detection is performed after the water meter is clamped, the push door 150 is closed, so that the phenomenon that the glass sheets of the dial plate burst due to the quality defect of the water meter is avoided, and the push door 150 can prevent the splashed glass from hurting people.

Referring to fig. 3, 4, 5 and 6, the detecting assembly 200 includes a detecting tank 210, a meter clamping mechanism 220, a support plate 230, a water pump 240, a water inlet pipe 241, a water outlet pipe 242, a water valve 250, an air pump 260, a reversing valve 270 and a camera mechanism 280, the detecting tank 210 is fixedly mounted on the top of the operating table 120, the meter clamping mechanism 220 includes an air chamber 221, a sleeve 222, a slide pipe 223, a joint 224, a first slide plate 225, a second slide plate 226, a first air pipe 227 and a second air pipe 228, the air chamber 221 is fixedly connected with the inner wall of the detecting tank 210, the sleeve 222 and the slide pipe 223 respectively penetrate through two ends of the air chamber 221, one end of the sleeve 222 is slidably sleeved on the slide pipe 223, the joint 224 is respectively mounted at the other ends of the sleeve 222 and the slide pipe 223, the first slide plate 225 and the second slide plate 226 are respectively sleeved on the slide pipe 223 and the sleeve 222, the first slide plate 225 and the second slide plate 226 are slidably mounted on the inner wall 221 of the air chamber 221 and divide the three chambers into three chambers, the first air pipe 227 is inserted in the air chamber 221 and communicated with the middle cavity of the air chamber 221, the second air pipe 228 is inserted in the air chamber 221 and communicated with the cavities at two sides of the air chamber 221, the meter clamping mechanisms 220 are provided with a plurality of sets, the meter clamping mechanisms 220 are arranged in the detection tank 210 at equal intervals, the support plate 230 is arranged at the bottom of the detection tank 210, the water pump 240 is fixedly arranged on the operation table 120, the water outlet of the water pump 240 is communicated with the joint 224, the water inlet of the water pump 240 is communicated with the water tank 130 through the water inlet pipe 241, two ends of the water outlet pipe 242 are respectively communicated with the joint 224 and the water tank 130, the water valve 250 is sleeved on the water outlet pipe 242, the air pump 260 is fixedly arranged on the operation table 120, the air outlet of the air pump 260 is communicated with the reversing valve 270, the first air pipe 227 and the second air pipe 228 are both communicated with the reversing valve 270, the camera mechanism 280 comprises a connecting rod 281, an installation cylinder 282 and a camera 283, the installation cylinder 282 is fixedly connected with the top of the installation frame 110 through the connecting rod 281, the camera 283 is installed inside the installation tube 282, a plurality of sets of image pickup mechanisms 280 are provided, and the plurality of sets of image pickup mechanisms 280 are provided corresponding to the plurality of sets of meter clamping mechanisms 220.

In other embodiments, a gasket 2241 is arranged inside the joint 224, so that the tightness of the connection between the joint 224 and the water inlet/outlet of the water meter is improved, and the detection effect is prevented from being influenced by the water leakage at the joint 224, so that errors occur in the detection data.

In other embodiments, the connector 224 is screwed on the sliding tube 223 and the sleeve 222, and when water meters with different specifications are detected, the connector 224 with the corresponding specification can be replaced by detaching the connector 224, so that the applicability of the detection mechanism is stronger.

In other embodiments, the detecting assembly 200 further includes a water tank 290, the water tank 290 is fixedly connected to the side wall of the detecting tank 210, and when the detection is completed, the water meter is detached from the meter clamping mechanism 220, and at this time, the water meter has residual water, which can be poured into the water tank 290 to avoid dripping on the ground to affect the environment.

In other embodiments, a drain pipe 291 is disposed at the bottom of the water tank 290, the water tank 290 is communicated with the water tank 130 through the drain pipe 291, and water in the water tank 290 can timely flow back to the water tank 130, so that water circulation in the device is realized, and water resources are saved.

In other embodiments, the connecting rod 281 comprises a sliding rod 2811, a sleeve stem 2812 and a limit pin 2813, the sleeve stem 2812 is slidably sleeved on the sliding rod 2811, the limit pin 2813 is threaded through the side wall of the sleeve stem 2812 and abuts against the sliding rod 2811, the limit pin 2813 is rotated to be separated from the sliding rod 2811, the position of the sleeve stem 2812 on the sliding rod 2811 can be changed, the length of the connecting rod 281 is changed, the distance between the camera 283 and the dial is changed, and the shooting distance of the camera 283 is adjusted.

In other embodiments, the mounting barrel 282 includes a fixed barrel 2821 and a rotating barrel 2822, the rotating barrel 2822 is rotatably mounted at the bottom of the fixed barrel 2821, the camera 283 can be driven to rotate by rotating the rotating barrel 2822, so that the shooting angle of the camera 283 can be adjusted, the shooting effect of the camera 283 can be finely adjusted, and the imaging fed back by the camera 283 is clearer and more accurate.

Referring to fig. 7, an adjusting frame 231 is disposed at the bottom of the supporting plate 230, the adjusting frame 231 includes a mounting plate 2311, a bolt 2312 and a limit nut 2313, the supporting plate 230 is fixedly mounted at the top of the mounting plate 2311, the bolt 2312 penetrates through the mounting plate 2311 in a threaded manner, the limit nut 2313 is disposed at the bottom of the mounting plate 2311 and is sleeved on the bolt 2312 in a threaded manner, and the height of the mounting plate 2311 is changed by rotating the limit nut 2313, so that the height of the supporting plate 230 is changed, and a water inlet/outlet of a water meter placed on the supporting plate 230 can be opposite to the joint 224 of the meter clamping mechanism 220.

The working principle of the detection mechanism of the full-automatic water meter detection platform is as follows: placing the water meter on the supporting plate 230, adjusting the reversing valve 270 to communicate the first air pipe 227 with the air pump 260, starting the air pump 260, pumping air into the air chamber 221 through the first air pipe 227 to increase the pressure of the middle chamber of the air chamber 221, thereby respectively extruding the first sliding plate 225 and the second sliding plate 226 to both sides, thereby driving the first sliding plate 225 and the second sliding plate 226 to slide in the air chamber 221, driving the sliding pipe 223 and the sleeve 222 to move oppositely, driving the joint 224 to move, respectively sleeving the two groups of joints 224 on the water inlet and outlet of the water meter, simultaneously clamping the water meter, starting the water pump 240, pumping water in the water tank 130 through the water inlet pipe 241 by the water pump 240, injecting water into the water meter through the sleeve 222 and the sliding pipe 223, closing the water valve 250 when the water flow fills up a plurality of water meters, starting the camera 283 to record the dial of the water meter, after the detection is completed, adjusting the reversing valve 270 to communicate the second air pipe 228 with the air pump 260, the air pump 260 is started, air is pumped into the air chamber 221 through the second air pipe 228, so that the pressure of the chambers on the two sides of the air chamber 221 is increased, the first sliding plate 225 and the second sliding plate 226 are respectively extruded towards the middle part, the sliding pipe 223 and the sleeve 222 are driven to move towards each other, the joint 224 is separated from the water inlet and the water outlet of the water meter, and the water meter can be disassembled.

It should be noted that the specific model specifications of the water pump 240, the air pump 260 and the camera 283 need to be determined according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed description is omitted.

The power supply and the principle of the water pump 240, the air pump 260 and the camera 283 are clear to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A detection mechanism of a full-automatic water meter detection platform is characterized by comprising

The support (100) comprises a mounting frame (110), an operating platform (120) and a water tank (130), wherein the operating platform (120) is fixedly arranged on the inner wall of the mounting frame (110), and the water tank (130) is fixedly arranged at the bottom of the operating platform (120);

the detection assembly (200) comprises a detection groove (210), a meter clamping mechanism (220), a supporting plate (230), a water pump (240), a water inlet pipe (241), a water outlet pipe (242), a water valve (250), an air pump (260), a reversing valve (270) and a camera shooting mechanism (280), wherein the detection groove (210) is fixedly arranged at the top of the operation table (120), the meter clamping mechanism (220) comprises an air cavity (221), a sleeve (222), a sliding pipe (223), a joint (224), a first sliding plate (225), a second sliding plate (226), a first air pipe (227) and a second air pipe (228), the air cavity (221) is fixedly connected with the inner wall of the detection groove (210), the sleeve (222) and the sliding pipe (223) respectively penetrate through two ends of the air cavity (221), one end of the sleeve (222) is slidably sleeved on the sliding pipe (223), and the joint (224) is respectively arranged at the other ends of the sleeve (222) and the sliding pipe (223), the first sliding plate (225) and the second sliding plate (226) are respectively sleeved on the sliding pipe (223) and the sleeve (222), the first sliding plate (225) and the second sliding plate (226) are slidably mounted on the inner wall of the air cavity (221) and divide the air cavity (221) into three chambers, the first air pipe (227) is inserted in the air cavity (221) and communicated with the middle chamber of the air cavity (221), the second air pipe (228) is inserted in the air cavity (221) and communicated with the chambers on two sides of the air cavity (221), the clamp meter mechanisms (220) are provided with a plurality of groups, the clamp meter mechanisms (220) are arranged in the detection groove (210) at equal intervals, the supporting plate (230) is mounted at the bottom of the detection groove (210), the water pump (240) is fixedly mounted on the operating platform (120), and a water outlet of the water pump (240) is communicated with the joint (224), the water inlet of the water pump (240) is communicated with the water tank (130) through the water inlet pipe (241), two ends of the water outlet pipe (242) are respectively communicated with the joint (224) and the water tank (130), the water valve (250) is sleeved on the water outlet pipe (242), the air pump (260) is fixedly installed on the operating platform (120), the air outlet of the air pump (260) is communicated with the reversing valve (270), the first air pipe (227) and the second air pipe (228) are both communicated with the reversing valve (270), the camera shooting mechanism (280) comprises a connecting rod (281), an installation cylinder (282) and a camera (283), the installation cylinder (282) is fixedly connected with the top of the inner wall of the installation frame (110) through the connecting rod (281), the camera (283) is installed inside the installation cylinder (282), and multiple groups of camera shooting mechanisms (280) are arranged, the plurality of groups of camera shooting mechanisms (280) are arranged corresponding to the plurality of groups of meter clamping mechanisms (220).

2. The detection mechanism of the full-automatic water meter detection platform according to claim 1, wherein the support (100) further comprises universal wheels (140), and the universal wheels (140) are fixedly installed at four corners of the bottom of the installation frame (110).

3. The detection mechanism of the fully automatic water meter detection platform according to claim 1, wherein the bracket (100) further comprises a push door (150), and the push door (150) is installed on the top of the operation platform (120).

4. The detection mechanism of a full automatic water meter detection platform according to claim 1, wherein a gasket (2241) is arranged inside the joint (224).

5. The detection mechanism of the fully automatic water meter detection platform according to claim 1, wherein the joint (224) is in threaded connection with the sliding tube (223) and the sleeve (222).

6. The detection mechanism of the fully automatic water meter detection platform according to claim 1, wherein the detection assembly (200) further comprises a water tank (290), and the water tank (290) is fixedly connected with the side wall of the detection tank (210).

7. The detection mechanism of the full-automatic water meter detection platform according to claim 6, wherein a drain pipe (291) is arranged at the bottom of the water tank (290), and the water tank (290) is communicated with the water tank (130) through the drain pipe (291).

8. The detection mechanism of the fully automatic water meter detection platform according to claim 1, wherein the connecting rod (281) comprises a sliding rod (2811), a sleeve rod (2812) and a limit pin (2813), the sleeve rod (2812) is slidably sleeved on the sliding rod (2811), and the limit pin (2813) penetrates through the side wall of the sleeve rod (2812) in a threaded manner and abuts against the sliding rod (2811).

9. The detecting mechanism of a full automatic water meter detecting platform according to claim 1, wherein the mounting cylinder (282) comprises a fixed cylinder (2821) and a rotating cylinder (2822), and the rotating cylinder (2822) is rotatably mounted at the bottom of the fixed cylinder (2821).

10. The detection mechanism of the full-automatic water meter detection platform according to claim 1, wherein an adjusting frame (231) is arranged at the bottom of the supporting plate (230), the adjusting frame (231) comprises a mounting plate (2311), a bolt (2312) and a limit nut (2313), the supporting plate (230) is fixedly mounted at the top of the mounting plate (2311), the bolt (2312) penetrates through the mounting plate (2311) in a threaded manner, and the limit nut (2313) is arranged at the bottom of the mounting plate (2311) and is sleeved on the bolt (2312) in a threaded manner.