Blocking net pest killing device for crop pest control

By introducing a support installation mechanism and a brush cleaning structure into the netting insecticidal device, the problems of unstable installation and netting surface contamination in farmland have been solved, achieving stable installation and efficient electrocution insecticidal effect.

CN223745593UActive Publication Date: 2026-01-02HAINAN NEW EMPOWERMENT PROJECT MANAGEMENT CO LTD
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Patent Information

Application Number
CN202520685841.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-12
Publication Date
2026-01-02
Estimated Expiration
2035-04-12

AI Technical Summary

Technical Problem

Existing pest control netting devices for crops are unstable when installed in farmland, are prone to tipping over, and have pests and dust adhering to their surface, reducing the efficiency of electric shock pest control.

Method used

A screen insect-killing device was designed, which includes a support installation mechanism, a brush cleaning structure and a rotation adjustment mechanism. The combination of uprights and stabilizing plates ensures stable installation of the device, and the brush strips clean pests and dust from the screen surface.

Benefits of technology

This method enables stable installation of the barrier net and efficient electrocution to kill pests, keeping the surface of the barrier net clean and improving the accuracy and efficiency of electrocution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of crop pest control, in particular to a blocking net pest killing device for crop pest control, which comprises a bottom plate, a support mounting mechanism is arranged at the bottom end of the bottom plate, a mounting frame is fixed at the top end of the bottom plate, and a blocking net is movably mounted in the mounting frame. The device has the beneficial effects that the surface of the blocking net is brushed and cleaned by brushing strips to clean diseases and insect pests and dust adhered to the surface of the blocking net, so that the surface of the blocking net is kept clean, and the diseases and insect pests are killed through accurate and efficient electric shock of current; the inclination angle of the stabilizing plate can be adjusted according to the flatness of the land, so that the bottom end of the stabilizing plate obliquely abuts against and is inserted into the land, the vertical rod is stably supported and reinforced, and therefore the bottom plate, the mounting frame and the blocking net are stably mounted and arranged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of crop disease and insect pest control, especially to a net blocking and insect killing device for crop disease and insect pest control. BACKGROUND

[0002] Disease and insect pest are the collective name of disease and insect pest, which often causes adverse effects on agriculture, forestry and animal husbandry, and can cause great damage to crops and losses to farmers. Disease and insect pest control is to reduce or prevent pathogenic microorganisms and pests from harming crops or livestock, and artificially take certain measures. Generally, it can be divided into chemical control by using insecticides and other chemicals and physical control by using light or radiation and other physical energy or building barriers. The net blocking and insect killing device is generally used for interception and insect killing during disease and insect pest control.

[0003] The existing net blocking and insect killing device for crop disease and insect pest control is generally installed on the farmland of crops during use. Since the soil of the farmland is relatively soft, the net blocking and insect killing device is prone to tilting during installation and setting, and the bottom end of the net blocking and insect killing device cannot be stably supported and installed. Moreover, after the net is powered on and the disease and insect pest are treated, the disease and insect pest may adhere to the surface of the net. In addition, during the use of the net blocking and insect killing device arranged on the farmland, dust may adhere to the surface of the net, reducing the current intensity of the net surface, and the disease and insect pest cannot be accurately and effectively electrocuted, reducing the electrocution efficiency of the disease and insect pest and the current intensity of the net surface, and the disease and insect pest and dust adhering to the surface of the net cannot be brushed and cleaned.

[0004] Therefore, the utility model provides a net blocking and insect killing device for crop disease and insect pest control. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that the disease and insect pest cannot be accurately and effectively electrocuted, the current intensity of the net surface is reduced, the electrocution efficiency of the disease and insect pest is reduced, and the disease and insect pest and dust adhering to the surface of the net cannot be brushed and cleaned in the prior art, and provides a net blocking and insect killing device for crop disease and insect pest control.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0007] The utility model designs a kind of netting device for crop pest control, including bottom plate, the bottom end of the bottom plate is provided with support installation mechanism, the top of the bottom plate is fixed with installation frame, the inside of the installation frame is movably installed with barrier net, the outside of the barrier net is provided with brush cleaning structure, the middle of the installation frame is installed with rotary adjusting mechanism;The support installation mechanism includes stand and stabilizing plate, the stand is vertically fixed at the bottom end of the bottom plate four corners, the stabilizing plate is connected to the outside of the stand;The brush cleaning structure includes brush strip and installation strip, the installation strip is installed in the middle of the both sides of the installation frame, the brush strip is evenly connected to the inside of the installation strip, and the inner end thereof is in contact with the surface of the barrier net by brushing;The rotary adjusting mechanism includes rotary rod and gear, the rotary rod rotates through the inside middle of the installation frame, the gear is fixed at the both ends of the rotary rod, and is rotatably installed between the two barrier nets.

[0008] Further, the surface of the stand is fixed with a pad at the bottom end, the surface of the stand is slidably sleeved with a connecting ring, one side of the connecting ring is fixed with a hinge shaft, the hinge shaft is rotatably connected between the connecting ring and the top end of the stabilizing plate, the stabilizing plate is rotatably and obliquely connected to one side of the stand, and a nut is connected to the surface of the stand at the position of the top end of the connecting ring.

[0009] Further, the bottom plate is a rectangular frame structure and is horizontally arranged, the middle groove position is through with the groove position of the bottom end of the installation frame, the stand is a threaded column structure, the pad is horizontally arranged, the bottom end of the stabilizing plate is a conical structure, and the connecting ring is horizontally and slidably sleeved on the surface of the stand.

[0010] Further, horizontally fixed support plates are arranged in the middle of the both sides of the installation frame, a clamping groove is formed in the inside of the support plate, the installation strip is slidably arranged through the clamping groove, the installation strip is a long rectangular strip structure and is horizontally arranged, the clamping groove is a C-shaped structure and is horizontally arranged, and first insect luring lamps are evenly arranged on the bottom end of the support plate.

[0011] Further, the installation frame is a rectangular frame structure, the upper and lower ends thereof are open, vertical sliding grooves are formed in the both sides of the inside of the installation frame, a connecting frame is connected to the outside of the barrier net, the connecting frame is a rectangular frame structure and is vertically arranged, the both sides of the connecting frame are slidably inserted into the sliding grooves, and the two connecting frames are arranged in a staggered and opposite manner and are located on the both sides of the gear, a second insect luring lamp is arranged on the bottom end of the crossbar of the top end of the installation frame, a cover plate is fixed to the top end of the installation frame, the cross section of the cover plate is a herringbone structure and covers the top end of the second insect luring lamp and the installation frame.

[0012] Further, the two sides of the connecting frame are vertically and uniformly fixed with teeth, the teeth are located outside the gear and are in meshing transmission connection with each other, the inner side of the mounting frame is provided with a rotating hole, and the two ends of the rotating rod are rotatably inserted through the rotating hole.

[0013] Further, the two ends of the rotating rod and the positions outside the mounting frame are fixed with a tightening plate, the tightening plate is a circular plate structure and is vertically arranged, the surface edge of the tightening plate is provided with a connecting hole, and the outer side of the mounting frame and the positions around the rotating hole are provided with a positioning hole in a circle.

[0014] Further, the connecting hole and the positioning hole are aligned and a positioning bolt is screwed therein, the outer end of the rotating rod is fixed with a rotating frame, the connecting hole is a threaded hole structure, the positioning bolt is horizontally arranged, and the rotating frame is a cross-shaped structure and is vertically arranged outside the mounting frame.

[0015] Compared with the prior art, the beneficial effects of the net blocking and insect killing device for crop disease and pest control are that:

[0016] 1. The net blocking and insect killing device is arranged on the farmland of crops to kill insects, the pests on the crops are attracted to the surface of the net blocking and are killed by electric shock on the surface of the net blocking, the rotating frame is manually rotated to rotate forward and backward, the net blocking and the connecting frame are moved up and down in the mounting frame in a circular reciprocating manner, the surface of the net blocking is brushed and cleaned by the brushing strip to remove the pests and dust, the surface of the net blocking is kept clean, and the pests can be accurately and efficiently killed by electric shock.

[0017] 2. During the process of killing pests by installing the net blocking and insect killing device on the farmland of crops, the vertical rod is vertically inserted into the land through the pad, the stable plate is obliquely arranged through the hinged shaft, the oblique angle of the stable plate can be adjusted according to the flatness of the land, the bottom end of the stable plate is obliquely abutted and inserted into the land, the connecting ring is pressed downward by the rotating nut, the stable plate is obliquely arranged, the vertical rod is stably supported and reinforced, and the bottom plate, the mounting frame and the net blocking are stably arranged. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic view of the overall structure of the utility model;

[0019] Figure 2 It is an enlarged view of A of the utility model Figure 1 ;

[0020] Figure 3 The utility model discloses Figure 1 A mounting frame and support plate partial structure schematic view of the utility model discloses

[0021] Figure 4 The utility model discloses Figure 1 A barrier net and connecting frame partial structure schematic view of the utility model discloses

[0022] Figure 5 The utility model discloses Figure 1 A rotating rod and gear partial structure schematic view of the utility model discloses

[0023] Figure 6 The utility model discloses Figure 1 A brush strip and support plate partial structure schematic view of the utility model discloses

[0024] In the drawing: 1, bottom plate, 2, vertical rod, 3, nut, 4, stabilizing plate, 5, connecting ring, 6, backing plate, 7, hinged axle, 8, mounting frame, 9, barrier net, 10, connecting frame, 11, support plate, 12, rotating frame, 13, gear tooth, 14, cover plate, 15, brush strip, 16, mounting strip, 17, first moth lamp, 18, clamping plate, 19, positioning bolt, 20, rotating rod, 21, sliding groove, 22, second moth lamp, 23, rotating hole, 24, positioning hole, 25, clamping groove, 26, gear, 27, connecting hole. Specific implementation

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] Embodiment, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 6 A barrier net insect killing device for crop disease and pest control is shown in the drawing, which comprises a bottom plate 1, the bottom end of the bottom plate 1 is provided with a support mounting mechanism, the top end of the bottom plate 1 is fixed with a mounting frame 8, the inside of the mounting frame 8 is movably installed with a barrier net 9, the outside of the barrier net 9 is provided with a brush cleaning structure, and the middle of the mounting frame 8 is installed with a rotating adjusting mechanism.

[0027] In detail, the brush cleaning structure comprises a brush strip 15 and a mounting strip 16, the mounting strip 16 is installed in the middle of the two sides of the mounting frame 8, and the brush strip 15 is uniformly connected to the inside of the mounting strip 16, and the inner end thereof is in brush contact with the surface of the barrier net 9.

[0028] In detail, the two sides of the installation frame 8 are horizontally fixed with support plates 11, the inner side of the support plate 11 is provided with a clamping groove 25, the installation strip 16 slides through the clamping groove 25, the installation strip 16 is a long rectangular strip structure and is horizontally arranged, the clamping groove 25 is a C-shaped structure and is horizontally arranged, the bottom end of the support plate 11 is uniformly provided with a first insect lamp 17, and the support plate 11 and the clamping groove 25 facilitate disassembly, replacement and cleaning of the installation strip 16 and the brushing strip 15.

[0029] The installation frame 8 is a rectangular frame structure, the upper and lower ends of the installation frame 8 are open, the two sides of the interior of the installation frame 8 are vertically provided with sliding grooves 21, the outer side of the barrier net 9 is connected with a connecting frame 10, the connecting frame 10 is a rectangular frame structure and is vertically arranged, the two sides of the connecting frame 10 slide into the sliding grooves 21, and the two connecting frames 10 are oppositely arranged in a staggered manner and are located on the two sides of the gear 26, the bottom end of the crossbar at the top end of the installation frame 8 is provided with a second insect lamp 22, and the top end of the installation frame 8 is fixed with a cover plate 14, the cover plate 14 is a herringbone structure in cross section and covers the top end of the installation frame 8 and the second insect lamp 22.

[0030] During the insect killing process of the barrier net insect killing device arranged on the farmland of crops, the barrier net 9 is connected with an external power supply and is electrified, the current is less than the human body safety current, the first insect lamp 17 and the second insect lamp 22 are lit, so that the pests on the crops are attracted to approach and fall on the surface of the barrier net 9 at night, and the pests are killed by electric shock through the current on the surface of the barrier net 9.

[0031] Further, the rotating adjusting mechanism comprises a rotating rod 20 and a gear 26, the rotating rod 20 rotates through the middle of the interior of the installation frame 8, and the gear 26 is fixed at the two ends of the rotating rod 20 and is rotatably arranged between the two barrier nets 9.

[0032] Further, the two sides of the connecting frame 10 are vertically and uniformly fixed with teeth 13, the teeth 13 are located on the outer side of the gear 26 and are in meshing transmission connection with each other, the middle of the inner side of the installation frame 8 is provided with a rotating hole 23, and the two ends of the rotating rod 20 rotate through the rotating hole 23.

[0033] In addition, the two ends of the rotating rod 20 and the positions outside the installation frame 8 are fixed with a tightening plate 18, the tightening plate 18 is a circular plate structure and is vertically arranged, the surface edge of the tightening plate 18 is provided with a connecting hole 27, and the outer side of the installation frame 8 and the positions around the rotating hole 23 are circumferentially provided with positioning holes 24.

[0034] A connecting hole 27 is aligned between a positioning hole 24, and a positioning bolt 19 is screwed in, the outer end of a rotating rod 20 is fixed with a rotating frame 12, the connecting hole 27 is a threaded hole structure, the positioning bolt 19 is horizontally arranged, the rotating frame 12 is a cross-shaped structure and is vertically arranged on the outside of the mounting frame 8, the positioning bolt 19 passes through the connecting hole 27 and is inserted into the positioning hole 24, and the tightening plate 18 is positioned and mounted on the outside of the mounting frame 8, so that the rotating rod 20 and the gear 26 are stably mounted inside the mounting frame 8, and then the connecting frame 10 and the screen 9 are stably mounted inside the mounting frame 8.

[0035] On the surface of the screen 9, the killed pests and diseases will adhere to the surface of the screen 9, and the surface of the screen 9 will adhere to the dust in the external air, so that the rotating frame 12 is manually rotated for forward and reverse rotation every week or so, and the gear 26 is driven to rotate forward and reverse by the rotating rod 20, and the gear 26 is in meshing transmission connection with the teeth 13, so that the screen 9 and the connecting frame 10 are moved up and down in the mounting frame 8, and then the surface of the screen 9 is brushed and cleaned by the brush strip 15, so that the surface of the screen 9 is kept clean, and the pests and diseases are accurately and efficiently electrocuted.

[0036] In general, the support mounting mechanism includes the stand 2 and the stabilizing plate 4, the stand 2 is vertically fixed at the bottom end of the four corners of the bottom plate 1, and the stabilizing plate 4 is connected to the outside of the stand 2.

[0037] Finally, the surface of the stand 2 is fixed with the pad 6, the surface of the stand 2 is slidingly sleeved with the connecting ring 5, one side of the connecting ring 5 is fixed with the hinge shaft 7, the hinge shaft 7 is rotatably connected between the connecting ring 5 and the top end of the stabilizing plate 4, the stabilizing plate 4 is rotatably and obliquely connected to one side of the stand 2, and the surface of the stand 2 is connected with the nut 3 at the position of the top end of the connecting ring 5.

[0038] The bottom plate 1 is a rectangular frame structure and is horizontally arranged, the middle groove position is through with the groove position of the bottom end of the mounting frame 8, the stand 2 is a threaded column structure, the pad 6 is horizontally arranged, the bottom end of the stabilizing plate 4 is a tapered structure, and the connecting ring 5 is horizontally and slidingly sleeved on the surface of the stand 2.

[0039] The installation of the net insect killing device on the farmland of crops in the process of killing pests, the vertical rod 2 is vertically inserted into the ground through the base plate 6, and the stable plate 4 is inclinedly arranged through the hinged shaft 7, and the inclination angle of the stable plate 4 can be adjusted according to the flatness of the land, so that the bottom end of the stable plate 4 is inclined to abut the land inserted, and the connecting ring 5 is pressed downward by the rotating nut 3, so that the stable plate 4 is inclinedly arranged, and the vertical rod 2 is stably supported and reinforced, so that the bottom plate 1, the mounting frame 8 and the net 9 are stably installed and arranged, and the bottom plate 1 is suspended by the vertical rod 2. The net 9 and the connecting frame 10 can be disassembled, installed and replaced through the open slot at the bottom end of the mounting frame 8.

[0040] Working mode: the net 9 and the connecting frame 10 are movably installed in the inside of the mounting frame 8, and the gear 26 is driven to rotate in the middle of the inside of the mounting frame 8 by the rotating rod 20, and is meshingly connected and transmitted between the teeth 13 on both sides of the connecting frame 10, and the inside of the mounting frame 8 is arranged with the installation strip 16 and the brushing strip 15 through the support plate 11, and the inside of the brushing strip 15 is in brushing contact with the surface of the net 9.

[0041] Thus, in the process of arranging the net insect killing device on the farmland of crops for killing insects, the net 9 is connected and powered with an external power supply, and the current is less than the safe current of human body, and the first insect attracting lamp 17 and the second insect attracting lamp 22 are lit, so as to attract pests on crops to approach and fall on the surface of the net 9 at night, so as to kill the pests by electric shock of the current on the surface of the net 9.

[0042] Thus, on the surface of the net 9, the killed pests will adhere to the surface of the net 9, and the surface of the net 9 will adhere to the dust in the external air, so that the rotating frame 12 can be manually rotated in forward and reverse directions intermittently for about a week, and the gear 26 is driven to rotate in forward and reverse directions by the rotating rod 20, and the gear 26 is meshingly connected and transmitted between the teeth 13, so as to drive the net 9 and the connecting frame 10 to move up and down in the inside of the mounting frame 8, and then the surface of the net 9 is brushed and cleaned by the brushing strip 15, so as to keep the surface of the net 9 clean, which is beneficial to accurately and efficiently killing pests by electric shock.

[0043] Moreover, the installation strip 16 and the brushing strip 15 can be conveniently disassembled, replaced and cleaned through the support plate 11 and the clamping groove 25, and at the same time, the positioning screw 19 passes through the connecting hole 27 and inserts into the positioning hole 24, so as to position and install the jacking plate 18 on the outside of the mounting frame 8, so as to stably install the rotating rod 20 and the gear 26 in the inside of the mounting frame 8, and then stably install the connecting frame 10 and the net 9 in the inside of the mounting frame 8.

[0044] And, in the process of killing the pests by installing the netting insecticidal device on the farmland of crops, the vertical rod 2 is vertically inserted into the land through the base plate 6, and the stable plate 4 is obliquely arranged through the hinged shaft 7, and the oblique angle of the stable plate 4 can be adjusted according to the flatness of the land, so that the bottom end of the stable plate 4 is obliquely abutted and inserted into the land, and the connecting ring 5 is pressed downward by the rotating nut 3, so that the stable plate 4 is obliquely arranged, and the vertical rod 2 is stably supported and reinforced, so that the bottom plate 1, the mounting frame 8 and the net 9 are stably installed and arranged, and the bottom plate 1 is suspended by the vertical rod 2, so that the net 9 and the connecting frame 10 can be disassembled, installed and replaced from the open slot at the bottom end of the mounting frame 8.

[0045] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A net insecticidal device for crop disease and pest control, comprising a bottom plate (1), characterized in that: The bottom end of the bottom plate (1) is provided with a support mounting mechanism, the top end of the bottom plate (1) is fixedly provided with a mounting frame (8), the inside of the mounting frame (8) is movably provided with a barrier net (9), the outside of the barrier net (9) is provided with a brushing cleaning structure, and a rotating adjusting mechanism is mounted in the middle of the mounting frame (8). The support mounting mechanism comprises a vertical rod (2) and a stabilizing plate (4), the vertical rod (2) is vertically fixed at the bottom end of the four corners of the bottom plate (1), and the stabilizing plate (4) is connected to the outside of the vertical rod (2). The brushing cleaning structure comprises brushing strips (15) and mounting strips (16), the mounting strips (16) are mounted in the middle of the two sides of the mounting frame (8), the brushing strips (15) are uniformly connected to the inside of the mounting strips (16), and the inner ends of the brushing strips (15) are in brushing contact with the surface of the barrier net (9). The rotating adjusting mechanism comprises a rotating rod (20) and a gear (26), the rotating rod (20) penetrates through the inside of the mounting frame (8), the gear (26) is fixed at the two ends of the rotating rod (20) and is rotatably mounted between the two barrier nets (9).

2. The net insect killing device for crop disease and pest control according to claim 1, characterized in that: The surface of the vertical rod (2) is fixedly provided with a pad (6), the surface of the vertical rod (2) is slidably sleeved with a connecting ring (5), one side of the connecting ring (5) is fixedly provided with a hinged shaft (7), the hinged shaft (7) is rotatably connected between the connecting ring (5) and the top end of the stabilizing plate (4), the stabilizing plate (4) is rotatably and obliquely connected to one side of the vertical rod (2), and the surface of the vertical rod (2) and located at the position of the top end of the connecting ring (5) is connected with a nut (3).

3. The net insect killing device for crop disease and pest control according to claim 2, characterized in that: The bottom plate (1) is a rectangular frame structure and is horizontally arranged, the middle groove position is in communication with the groove position at the bottom end of the mounting frame (8), the vertical rod (2) is a threaded column structure, the pad (6) is horizontally arranged, the bottom end of the stabilizing plate (4) is a conical structure, and the connecting ring (5) is horizontally and slidably sleeved on the surface of the vertical rod (2).

4. The net insect killing device for crop disease and pest control according to claim 1, characterized in that: The two sides of the mounting frame (8) are fixedly provided with a support plate (11) in the middle, the inside of the support plate (11) is provided with a clamping groove (25), the mounting strip (16) penetrates through the clamping groove (25), the mounting strip (16) is a long rectangular strip structure and is horizontally arranged, the clamping groove (25) is a C-shaped structure and is horizontally arranged, and the bottom end of the support plate (11) is uniformly provided with a first moth lamp (17).

5. The net insect killing device for crop disease and pest control according to claim 1, characterized in that: The mounting frame (8) is a rectangular frame structure, the upper and lower ends of which are open, and sliding grooves (21) are vertically arranged on the inner sides of the mounting frame (8), the outer side of the screen (9) is connected with a connecting frame (10), the connecting frame (10) is a rectangular frame structure and is vertically arranged, the two sides of the connecting frame (10) are slidingly inserted into the sliding grooves (21), and the two connecting frames (10) are oppositely arranged in a staggered manner and are located on the two sides of the gear (26), the bottom end of the horizontal rod at the top end of the mounting frame (8) is provided with a second moth lamp (22), and the top end of the mounting frame (8) is fixedly provided with a cover plate (14), the cross section of the cover plate (14) is a herringbone structure and covers the second moth lamp (22) and the top end of the mounting frame (8).

6. The net insect killing device for crop disease and pest control according to claim 5, characterized in that: The two sides of the connecting frame (10) are vertically and uniformly fixed with teeth (13), the teeth (13) are located on the outer side of the gear (26) and are in meshing transmission connection with each other, the inner side of the mounting frame (8) is provided with a rotating hole (23), and the two ends of the rotating rod (20) are rotatably arranged through the rotating hole (23).

7. The net insect killing device for crop disease and pest control according to claim 6, characterized in that: The two ends of the rotating rod (20) and the positions outside the mounting frame (8) are fixedly provided with a clamping plate (18), the clamping plate (18) is a circular plate structure and is vertically arranged, the surface edge of the clamping plate (18) is provided with a connecting hole (27), and the outer side of the mounting frame (8) and the positions around the rotating hole (23) are provided with a positioning hole (24) in a circumferential direction.

8. The net insect killing device for crop disease and pest control according to claim 7, characterized in that: One connecting hole (27) is aligned with one positioning hole (24) and is screwingly provided with a positioning bolt (19), the outer end of the rotating rod (20) is fixedly provided with a rotating frame (12), the connecting hole (27) is a threaded hole structure, the positioning bolt (19) is horizontally arranged, the rotating frame (12) is a cross-shaped structure and is vertically arranged outside the mounting frame (8).