A forestry planting disease and pest control type lime coating brushing system

Abstract

The application discloses a forestry planting disease and pest control type lime coating brushing system, which comprises a spraying brush frame, wherein the spraying brush frame comprises a net frame, a joint, an elastic opening and closing mechanism and a spraying brush head; the net frame surrounds a tree; a plurality of joints are installed on the net frame; a liquid supply channel is formed in the net frame; a liquid supply pipe is installed on the net frame; the liquid supply pipe is communicated with all the joints through the liquid supply channel; the elastic opening and closing mechanism is installed at the joint; an opening and closing spring is arranged in the elastic opening and closing mechanism; the elastic opening and closing mechanism can be kept in a state of closing the joint under the elastic force of the opening and closing spring; and the spraying brush head is detachably connected to each joint and used for contacting the trunk. The forestry planting disease and pest control type lime coating brushing system solves the problem that a large amount of paint is sprayed from the installation position after the paint spraying head is detached in the prior art.

Description

TECHNICAL FIELD

[0001] The present application relates to forestry maintenance equipment, in particular to a forestry planting pest control type lime coating brushing system. BACKGROUND

[0002] A Chinese patent discloses a lime coating brushing device based on forestry planting pest control, application number CN202111117502.9, which comprises: a moving seat, a plurality of arc-shaped blocks are linearly and equally spaced on the upper side of the storage box, an arc-shaped rack B is arranged on the upper side of the arc-shaped block, a second guide rail is arranged on the bottom surface of the arc-shaped rack B, a plurality of fixing blocks are arranged on the upper side of the arc-shaped rack B in an arc-shaped and equally spaced manner, a paint spraying head is arranged on the inner side of the fixing block, and the close cooperation between the structures enables the device to realize the reciprocating movement of the arc-shaped rack B through the forward and reverse rotation of the second motor. Although the paint spraying head can move reciprocally to spray the outer wall of the tree, the device still has the following disadvantages:

[0003] If some paint spraying heads are damaged and are disassembled, the original position of the paint spraying head will spray too much paint, which will cause the pressure in the entire arc-shaped rack B to change greatly, and other paint spraying heads may spray little or even no paint, which will cause the entire device to be unable to use. SUMMARY

[0004] The present application provides a forestry planting pest control type lime coating brushing system to solve the problem of a large amount of paint spraying from the installation position after disassembling the paint spraying head in the prior art.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] The present application discloses a forestry planting pest control type lime coating brushing system, which comprises: a spraying brush frame, which comprises: a net frame, a joint, an elastic opening and closing mechanism, and a spraying brush head, the net frame surrounds the tree, a plurality of joints are installed on the net frame, a liquid supply channel is formed in the net frame, a liquid supply pipe is installed on the net frame, the liquid supply pipe is in communication with all the joints through the liquid supply channel, an elastic opening and closing mechanism is installed at the joint, an opening and closing spring is arranged in the elastic opening and closing mechanism, and the elastic opening and closing mechanism can remain in the closed state of the joint under the elastic force of the opening and closing spring, and each joint is detachably connected with a spraying brush head, which is used to contact the tree trunk.

[0007] Preferably, the spraying brush head comprises: a spraying brush cover and bristles, the spraying brush cover is detachably connected with the spraying head, a plurality of spray holes are formed in the spraying brush cover, and the bristles are installed on the spraying brush cover and used to contact the tree trunk.

[0008] Preferably, the spraying brush head further comprises: a pressing rod, the pressing rod is installed on the inner wall of the spraying brush cover, and the pressing rod pushes the elastic opening and closing mechanism to open the spraying head.

[0009] Preferably, the spray head comprises a fixed tube and a mounting tube, the fixed tube is fixed on the net rack, the fixed tube is communicated with the liquid supply channel, the mounting tube is threadedly connected on the fixed tube, and the elastic opening and closing mechanism is mounted between the fixed tube and the mounting tube.

[0010] Preferably, the elastic opening and closing mechanism comprises an opening and closing piece, a connecting rod and a mounting frame, the mounting frame is clamped between the fixed tube and the mounting tube, the connecting rod is arranged on the mounting frame and can move on the axial line of the fixed tube relative to the mounting frame, the end of the mounting tube away from the fixed tube is formed with a convex ring for the opening and closing piece to press, the opening and closing piece is fixed with the connecting rod, and an opening and closing spring is arranged between the opening and closing piece and the mounting frame and can keep the opening and closing piece in a position of closing the convex ring.

[0011] Preferably, the mounting frame comprises a mounting ring, connecting ribs and a center ring, the mounting ring is clamped between the fixed tube and the mounting tube, the inner wall of the mounting ring is connected to the center ring through at least two connecting ribs, and the center ring is provided for the connecting rod to pass through.

[0012] Preferably, a sealing ring is clamped between the fixed tube and the mounting tube, and the sealing ring is made of elastic material.

[0013] Preferably, the forestry planting pest control lime coating brushing system further comprises a base, which is an arc structure, the base is installed on the ground, and a ring-shaped groove is formed on the top surface of the base; a supporting mechanism, which comprises a supporting arm, an anti-falling arm, an ejecting spring and a pressing assembly, one end of the supporting arm is inserted into the ring-shaped groove, the supporting arm extends to form an anti-falling part, a guide groove is recessed on the inner wall of the ring-shaped groove, the guide groove is an arc structure, the guide groove is located on the side of the arc-shaped groove close to the axial line around the base, the supporting arm can move under the guidance of the inner wall of the ring-shaped groove, one end of the supporting arm is a mounting end, the mounting end extends towards the axial line around the base, the mounting end is used for inserting the net rack from the vertical direction, the supporting arm is inserted with an anti-falling arm, one end of the anti-falling arm is inserted into the net rack, the other end of the anti-falling arm is pressed by a pressing assembly, the pressing assembly is installed on the base, and the anti-falling arm and the inner wall of the supporting arm are provided with an ejecting spring, which is used for making the anti-falling arm protrude out of the supporting arm.

[0014] Preferably, the pressing assembly comprises a pressing block, a rotating disc and a screw rod, the pressing block is located in the ring-shaped groove, the pressing block is an arc structure, the pressing block is located on the side of the supporting arm away from the axial line around the base, a rotatable rotating disc is installed on the pressing block, the rotating disc is fixed to the screw rod, the screw rod is threadedly connected with the base, and the screw rod is located in the radial direction of the base.

[0015] Preferably, a lifting spring is installed between the clamping block and the inner wall of the arc-shaped groove. The clamping block has an insertion hole for one end of the anti-disengagement arm to extend into. The clamping block has a rotating groove and a blocking groove, which are connected. The rotating groove is located above the blocking groove. The rotating groove is used to rotate the rotating disk, and the inner wall of the blocking groove is used to block the rotation of the rotating disk. The rotating groove and the rotating disk are aligned only when the anti-disengagement arm is inserted into the support arm. The clamping block has a lifting groove for the screw to rise and fall. The anti-disengagement arm is used to lower the clamping block by squeezing the inner wall of the insertion hole. A lifting spring is installed between the clamping block and the bottom wall of the arc-shaped groove. The lifting spring is used to ensure that the blocking groove and the rotating disk are aligned.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1) By setting up a flexible opening and closing mechanism, the joint is automatically closed before the brush head is installed, and automatically opened after the brush head is installed. There is no need to manually adjust the flexible opening and closing mechanism, making it more convenient to disassemble and install the brush head.

[0018] 2) At the same time, by setting up spray brush heads, when the spray brush heads become clogged or damaged after long-term use, some spray brush heads can be removed, and after removal, the joint can be automatically sealed to prevent the spray head from spraying paint directly, which would result in insufficient pressure to deliver paint to the joint where the spray brush head is installed. This ensures that other spray brush heads can still be used after some spray brush heads are removed.

[0019] Other advantages, objectives and features of the present invention will become apparent in part from the following description, and in part from those skilled in the art through study and practice of the invention. Attached Figure Description

[0020] Figure 1 A schematic diagram of a lime coating system for pest and disease control in forestry planting.

[0021] Figure 2 A top view of a lime coating system for pest and disease control in forestry planting.

[0022] Figure 3 for Figure 2 A cross-sectional view of the lime coating system for pest and disease control in forestry.

[0023] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0024] Figure 5 This is a schematic diagram of the structure at the clamping block when there is no sealing block;

[0025] Figure 6 for Figure 5 Enlarged view of point C in the middle;

[0026] Figure 7 is a sectional view of the joint when the spray brush head is not present;

[0027] Figure 8 is a sectional view of the spray brush head and the joint.

[0028] The drawings show: a spray brush frame 1, a net frame 11, a spray brush head 12, a spray brush cover 121, bristles 122, a pressing rod 123, a joint 13, a fixed tube 131, a mounting tube 132, a convex ring 133, a sealing ring 134, an elastic opening and closing mechanism 10, an opening and closing piece 101, a connecting rod 102, an opening and closing spring 103, a mounting ring 105, a connecting rib 106, a center ring 107, a base 2, an annular groove 21, a guide groove 22, a supporting mechanism 3, a supporting arm 31, an anti-falling part 310, an anti-falling arm 32, an anti-falling section 321, an extrusion section 322, a pushing spring 33, a pressing assembly 34, a pressing block 341, a rotating disc 342, a screw rod 343, a lifting spring 344, an arc-shaped block body 345, a plugging block 346, a rotating groove 347, a blocking groove 348, a liquid supply pipe 4. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, purposes and effects of the present application more clear and easy to understand, the present application is further described below in combination with the drawings and specific embodiments:

[0030] As shown in The present application discloses a forestry planting pest control type lime coating brushing system, which comprises a spray brush frame 1, which comprises a net frame 11, a joint 13, an elastic opening and closing mechanism 10, and a spray brush head 12. The net frame 11 surrounds a tree, and a plurality of joints 13 are mounted on the net frame 11. A liquid supply channel is formed in the net frame 11, and a liquid supply pipe 4 is mounted on the net frame 11. The liquid supply pipe 4 communicates with all the joints 13 through the liquid supply channel. The elastic opening and closing mechanism 10 is mounted at the joint 13, and an opening and closing spring 103 is arranged in the elastic opening and closing mechanism 10. Under the elastic force of the opening and closing spring 103, the elastic opening and closing mechanism 10 can keep the joint 13 closed. Each joint 13 is detachably connected with the spray brush head 12, and the spray brush head 12 is used to contact the tree trunk.

[0031] The spray brush head 12 comprises a spray brush cover 121 and bristles 122. The spray brush cover 121 is detachably connected with the spray head, and a plurality of spray holes are formed in the spray brush cover 121. The bristles 122 are mounted on the spray brush cover 121 and used to contact the tree trunk. The bristles 122 are made of soft material, which can avoid damaging the tree trunk when the bristles 122 contact the tree trunk.

[0032] The spray brush head 12 further comprises a pressing rod 123, the pressing rod 123 is installed on the inner wall of the spray brush cover 121, and the pressing rod 123 pushes the elastic opening and closing mechanism 10 to open the spray head. After the spray brush head 12 is installed, the pressing rod 123 pushes the elastic opening and closing mechanism 10 to open the spray head.

[0033] The spray head comprises a fixed pipe 131 and a mounting pipe 132, the fixed pipe 131 is fixed on the net rack 11, the fixed pipe 131 is communicated with the liquid supply channel, the mounting pipe 132 is threadedly connected on the fixed pipe 131, and the elastic opening and closing mechanism 10 is mounted between the fixed pipe 131 and the mounting pipe 132. It is convenient to install the elastic opening and closing mechanism 10.

[0034] The elastic opening and closing mechanism 10 comprises an opening and closing sheet 101, a connecting rod 102 and a mounting frame, the mounting frame is clamped between the fixed pipe 131 and the mounting pipe 132, the connecting rod 102 is passed on the mounting frame, the connecting rod 102 can move on the axis of the fixed pipe 131 relative to the mounting frame, the end of the mounting pipe 132 away from the fixed pipe 131 forms a convex ring 133, the convex ring 133 is used for pressing the opening and closing sheet 101, the opening and closing sheet 101 is fixed with the connecting rod 102, and an opening and closing spring 103 is mounted between the opening and closing sheet 101 and the mounting frame. The opening and closing spring 103 can keep the opening and closing sheet 101 in the position of closing the convex ring 133. The simple structure of the elastic opening and closing mechanism 10 is designed, the mounting pipe 132 is installed, and the installation of the entire elastic opening and closing mechanism 10 is realized, and the installation efficiency is improved.

[0035] The mounting frame comprises a mounting ring 105, a connecting rib 106 and a center ring 107, the mounting ring 105 is clamped between the fixed pipe 131 and the mounting pipe 132, the inner wall of the mounting ring 105 is connected to the center ring 107 through at least two connecting ribs 106, and the center ring 107 is passed through by the connecting rod 102. The connecting rod 102 is provided with installation guidance, and the movement of the connecting rod 102 on the axis of the fixed pipe 131 is ensured.

[0036] The sealing ring 134 is clamped between the fixed pipe 131 and the mounting pipe 132, and the sealing ring 134 is made of elastic material. Liquid leakage at the connection between the fixed pipe 131 and the mounting pipe 132 is avoided.

[0037] Before the spray brush head 12 is installed, the opening and closing sheet 101 of the elastic opening and closing mechanism 10 is automatically closed under the elastic force of the pushing spring, and the opening and closing sheet 101 is pressed on the convex ring 133. After the spray brush head 12 is installed, the pressing rod 123 on the spray brush head 12 pushes the opening and closing sheet 101, so that the opening and closing sheet 101 opens the convex ring 133, the gap between the outer wall of the pressing rod 123 and the convex ring 133 is large enough, the paint passes through conveniently, the elastic opening and closing mechanism 10 automatically opens the joint 13, and the gap between the two adjacent connecting ribs 106 is large enough, so that the paint passes through conveniently.

[0038] The forestry planting disease and pest control type lime coating brushing system further comprises: a base 2 which is an arc structure, the base 2 is installed on the ground, and a top surface of the base 2 is recessed to form a ring-shaped groove 21; a supporting mechanism 3 which comprises: a supporting arm 31, a anti-disengagement arm 32, a push-out spring 33 and a pressing assembly 34, the ring-shaped groove 21 is provided for one end of the supporting arm 31 to be inserted, the supporting arm 31 is extended to form an anti-disengagement part 310, the inner wall of the ring-shaped groove 21 is recessed to form a guide groove 22, the guide groove 22 is an arc structure, the guide groove 22 is located on one side of the arc-shaped groove close to the axis of the base 2, the supporting arm 31 can move under the guidance of the inner wall of the ring-shaped groove 21, one end of the supporting arm 31 is an installation end which extends towards the axis of the base 2, the installation end is provided for the net rack 11 to be inserted from the vertical direction, the supporting arm 31 is inserted with the anti-disengagement arm 32, one end of the anti-disengagement arm 32 is inserted into the net rack 11, the other end of the anti-disengagement arm 32 is pressed by the pressing assembly 34, the pressing assembly 34 is installed on the base 2, the push-out spring 33 is installed between the anti-disengagement arm 32 and the inner wall of the supporting arm 31, and the push-out spring 33 is used to make the anti-disengagement arm 32 protrude out of the supporting arm 31. In the prior art, since the sizes of trees are different, the diameters of the tree trunks are different, if the diameters of the arc-shaped blocks are the same, the distance from the spraying brush head 12 to the outer wall of the tree trunk is variable, if the air pressure is too large, when spraying and brushing on the tree trunk with a short distance, the back pressure is too large, which can cause a small amount of coating to stay on the tree trunk, if the air pressure is too small, when spraying and brushing on the tree trunk with a long distance, it is very likely that the sprayed coating cannot touch the tree trunk, thus causing a poor spraying effect and inconvenience in spraying. In order to avoid the above defects, when the tree trunk is too large or too small, the anti-disengagement arm 32 and the supporting arm 31 are replaced according to the needs (the anti-disengagement arm 32 and the supporting arm 31 of different models are pre-produced), the supporting arm 31 with different lengths is adjusted to use, the supporting point of the net rack 11 is close to the outer side of the tree trunk, the anti-disengagement arm 32 prevents the net rack 11 from disengaging from the supporting arm 31, the pressing mechanism ensures that the anti-disengagement arm 32 is inserted into the net rack 11, thus the sprayed coating of the spraying brush head 12 can stay on the tree trunk under the condition that the spraying pressure is ensured, the coating is not too small due to the too large back pressure, and the coating can also touch the tree trunk with a long distance due to the too small air pressure, thus the spraying effect is ensured and the spraying quality is improved.

[0039] The pressing assembly 34 comprises a pressing block 341, a rotating disc 342 and a screw rod 343. The pressing block 341 is located in the annular groove 21 and has an arc structure. The pressing block 341 is located on the side of the supporting arm 31 away from the shaft center line around the base 2. The rotating disc 342 is rotatably installed on the pressing block 341. The rotating disc 342 is fixed to the screw rod 343. The screw rod 343 is threadedly connected to the base 2 and located in the radial direction of the base 2. The screw rod 343 is rotated to push the pressing block 341 to move, so that the anti-falling part 310 of the supporting arm 31 is pressed in the guide groove 22, the guide groove 22 is parallel to the arc-shaped groove, so that the pressing block 341 can always press the supporting arm 31, and the anti-falling arm 32 is pressed in the supporting arm 31, so that the anti-falling arm 32 can hook the net rack 11 inserted into the supporting arm 31, and the net rack 11 cannot be separated from the supporting arm 31.

[0040] The lifting spring 344 is installed between the pressing block 341 and the inner wall of the arc-shaped groove. The pressing block 341 is provided with a plug hole for the one end of the anti-falling arm 32 to extend into. The pressing block 341 is provided with a rotating groove 347 and a blocking groove 348. The rotating groove 347 is in communication with the blocking groove 348. The rotating groove 347 is located above the blocking groove 348. The rotating groove 347 is used for rotating the rotating disc. The inner wall of the blocking groove 348 is used for blocking the rotating disc. Only when the anti-falling arm 32 is inserted into the supporting arm 31, the rotating groove 347 is aligned with the rotating disc. The pressing block 341 is provided with a lifting groove for lifting the screw rod 343. The anti-falling arm 32 is used for lowering the pressing block 341 by extruding the inner wall of the plug hole. The lifting spring 344 is installed between the pressing block 341 and the inner bottom wall of the arc-shaped groove. The lifting spring 344 is used to ensure that the blocking groove 348 is aligned with the rotating disc. Since the anti-falling arm 32 is inserted into the supporting arm 31, in order to avoid the subsequent spraying frame 1 from falling due to the absence of the anti-falling arm 32, the pressing block 341 can be lifted. The pressing block 341 is kept at a high position under the elastic force of the lifting spring 344. At this time, the rotating disc is aligned with the blocking groove 348. Under the action of the inner wall of the blocking groove 348, the rotating disc and the screw rod 343 cannot rotate. When the anti-falling arm 32 is inserted into the plug hole, the anti-falling arm 32 extrudes the inner wall of the plug hole and presses down the pressing block 341, so that the rotating disc is aligned with the rotating groove 347. At this time, the screw rod 343 and the rotating disc can be rotated, avoiding the situation that the net rack 11 falls due to the absence of the anti-falling arm 32.

[0041] The pressing block 341 comprises an arc-shaped block body 345 and a blocking block 346, the arc-shaped block body 345 is recessed with a rotating groove 347 and a blocking groove 348 on the outer arc surface, the blocking block 346 is mounted on the arc-shaped block body 345 by a screw, the blocking block 346 is provided with a lifting groove, and the rotating disc is blocked in the rotating groove 347 and the blocking groove 348 by the blocking block 346. The rotating groove 347 and the blocking groove 348 are provided on the arc-shaped block body 345, and the rotating disc and the screw rod 343 are mounted on the pressing block 341 by the blocking block 346.

[0042] The blocking groove 348 is a square structure, and the rotating disc is a square structure. The inner wall of the blocking groove 348 limits the rotation of the rotating disc.

[0043] The screw rod 343 comprises a threaded section and a smooth section, the threaded section is connected with the smooth section, one end of the smooth section is fixed with the rotating disc, the other end of the smooth section is fixed with the threaded section, the threaded section is screwed with the base 2, and the smooth section is in contact with the inner wall of the lifting groove. The screw rod 343 can rotate smoothly relative to the pressing block 341, and the threaded connection between the screw rod 343 and the base 2 is realized.

[0044] The anti-dropping arm 32 comprises an anti-dropping section 321 and a pressing section 322, one end of the anti-dropping section 321 is inserted into the net rack 11, the pressing section 322 extends from the other end of the anti-dropping section 321, the pressing section 322 is inserted into the insertion hole, the push-out spring 33 is mounted between the middle of the anti-dropping section 321 and the inner wall of the supporting arm 31, and the push-out spring 33 is used to keep the pressing section 322 inserted into the insertion hole. The anti-dropping arm 32 is segmented, which can hook the net rack 11 and press the pressing block 341 by being inserted into the insertion hole.

[0045] The pressing section 322 and the insertion hole are both triangular structures. The pressing block 341 is pressed by being inserted into the insertion hole.

[0046] When the anti-dropping arm 32 and the supporting arm 31 are disassembled, firstly, the screw rod 343 is rotated, the rotating disc drives the pressing block 341 to move away from the supporting arm 31, at this time, the anti-dropping arm 32 is still inserted into the insertion hole under the elastic force of the push-out spring 33, the supporting arm 31 is provided with an insertion hole for inserting the anti-dropping arm 32, the anti-dropping section 321 leaks out from the top of the insertion hole, the anti-dropping arm 32 is manually extruded and separated from the insertion hole, but the anti-dropping arm 32 has been separated from the net rack 11; then, the net rack 11 is pulled to separate the net rack 11 from the supporting arm 31, at this time, the anti-dropping arm 32 has been separated from the net rack 11 under the elastic force of the push-out spring 33; then, the anti-dropping arm 32 is manually extruded and separated from the insertion hole; then, the anti-dropping arm 32 and the supporting arm 31 are moved towards the pressing block 341; finally, the push-out spring 33, the anti-dropping arm 32 and the supporting arm 31 are pulled out together to realize separation.

[0047] When installing the new anti-drop arm 32 and the supporting arm 31, first, select the required model of the anti-drop arm 32 and the supporting arm 31 according to the requirement; then, insert the push spring 33 into the supporting arm 31; then, insert the anti-drop arm 32 into the supporting arm 31, the anti-drop section 321 of the anti-drop arm 32 is formed with a hook rod inserted into the push spring 33, the hook rod prevents the push spring 33 and the anti-drop arm 32 from deviating; then, press the top of the anti-drop section 321, so that the entire anti-drop arm 32 is located in the supporting arm 31; then, insert the anti-drop arm 32 and the supporting arm 31 into the annular groove 21, at this time, since the pressing block 341 is rotated to the position farthest away from the guide groove 22, at this time, the square rotating disc can be aligned with the square blocking groove 348, the rotating disc is located in the blocking groove 348 under the elastic force of the lifting spring 344, and the screw rod 343 cannot be rotated; then, release the anti-drop arm 32 and the supporting arm 31, under the elastic force of the push spring, push the supporting arm 31, so that the anti-drop section 310 is inserted into the guide groove 22, and also push the anti-drop arm 32 to be inserted into the insertion hole, the elastic force of the push spring is sufficient, so that the pressing block 341 is lowered under the pushing of the anti-drop arm 32, the lifting spring 344 is compressed, the lifting spring 344 is always located at the bottom of the pressing block 341, the rotating disc is aligned with the rotating groove 347, and the inner wall of the rotating groove 347 does not block the rotation of the rotating disc; then, insert the net rack 11 into the supporting arm 31; finally, rotate the screw rod 343, so that the rotating disc pushes the pressing block 341 to move towards the supporting arm 31, the connection between the anti-drop section 321 and the pressing section 322 forms a step close to the pressing block 341, the pressing block 341 pushes the anti-drop arm 32 to move towards the supporting arm 31 through the step, and finally the anti-drop arm 32 passes through the net rack 11, so that the installation of the net rack 11 is realized.

[0048] The anti-drop arm 32, the supporting arm 31 and the push spring 33 can be multiple groups, and one group of the pressing assembly 34 realizes pressing of all the anti-drop arms 32 and the supporting arms 31.

[0049] In this embodiment, first, in order to adjust according to the size of the trunk, therefore designed to support arm 31 and anti-off arm 32 have multiple models, can be adjusted according to the size of the trunk using different support arm 31 and anti-off arm 32, base 2 is large enough; then, in order to ensure that the anti-off arm 32 can release the net rack 11, but also to ensure that the anti-off arm 32 hook net rack 11, therefore designed to press the assembly 34, anti-off arm 32 can be moved relative to the mobile arm; then, because the anti-off arm 32 is to prevent the net rack 11 from falling and off the necessary components, in order to avoid the anti-off arm 32 is not installed before the rotation to the screw 343 and cause multiple rotation screw 343 and cause the operation troublesome, therefore designed to push out the spring 33 will be anti-off arm 32 pushed into the hole, the pressure block 341 can be lifted, the rotation groove 347 and the blocking groove 348 of the matching settings, the shape design of the rotating disc, realized in the anti-off arm 32 is not inserted into the installation arm before the blocking groove 348 inner wall and rotating disc cooperation limit screw 343 rotation, and realized the anti-off arm 32 and installation arm together installed in the annular groove 21 after the automatic release screw 343, simplifies the operation, for the replacement of support arm 31 and anti-off arm 32 brings convenience.

[0050] Finally, it is pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application, which should be covered by the claims of the present application.

Claims

1. A lime coating system for pest and disease control in forestry planting, characterized in that, include: The spray brush frame includes: a mesh frame, connectors, a flexible opening and closing mechanism, and spray brush heads. The mesh frame surrounds the tree and has several connectors installed on it. The mesh frame has liquid supply channels and liquid supply pipes installed on it. The liquid supply pipes are connected to all connectors through the liquid supply channels. The connectors are equipped with flexible opening and closing mechanisms with opening and closing springs inside. Under the elastic force of the opening and closing springs, the flexible opening and closing mechanisms can be kept in the closed state of the connectors. Each connector is detachably connected to a spray brush head, which is used to contact the tree trunk. It also includes: a base, which is an arc-shaped structure, installed on the ground, with the top surface of the base recessed to form an annular groove; a support mechanism, which includes: a support arm, an anti-detachment arm, a push-out spring, and a clamping assembly, one end of the support arm is inserted into the annular groove, the support arm extends to form an anti-detachment part, the inner wall of the annular groove is recessed to form a guide groove, the guide groove is an arc-shaped structure, the guide groove is located on the side of the arc-shaped groove close to the axis around which the base surrounds, the support arm can move under the guidance of the inner wall of the annular groove, one end of the support arm is the mounting end, the mounting end extends toward the axis around which the base surrounds, the mounting end is inserted into the mesh frame from the vertical direction, an anti-detachment arm is inserted into the support arm, one end of the anti-detachment arm is inserted into the mesh frame, the other end of the anti-detachment arm is clamped by a clamping assembly, the clamping assembly is installed on the base, a push-out spring is installed between the anti-detachment arm and the inner wall of the support arm, the push-out spring is used to make the anti-detachment arm protrude out of the support arm; The clamping assembly includes a clamping block, a rotating disk, and a screw. The clamping block is located in an annular groove and has an arc-shaped structure. The clamping block is located on the side of the support arm away from the axis around which the base is surrounded. A rotating disk that can rotate is installed on the clamping block. The rotating disk is fixed to the screw. The screw is threadedly connected to the base and is located in the radial direction of the base.

2. The lime coating system for forestry planting pest and disease control according to claim 1, characterized in that, The spray brush head includes a spray brush cover and brush bristles. The spray brush cover is detachably connected to the spray head. Several spray holes are opened on the spray brush cover, and brush bristles are installed on the spray brush cover for contact with the tree trunk.

3. A lime coating system for pest and disease control in forestry planting according to claim 2, characterized in that, The spray head also includes a pressure bar, which is installed on the inner wall of the spray head. The pressure bar pushes the elastic opening and closing mechanism to open the spray head.

4. A lime coating system for forestry planting pest and disease control according to claim 3, characterized in that, The nozzles include: The fixed pipe and the installation pipe are fixed on the grid frame and connected to the liquid supply channel. The installation pipe is threadedly connected to the fixed pipe and an elastic opening and closing mechanism is installed between the installation pipe and the fixed pipe.

5. A lime coating system for forestry planting pest and disease control according to claim 4, characterized in that, The flexible opening and closing mechanism includes an opening and closing plate, a connecting rod, and a mounting bracket. The mounting bracket is clamped between the fixed tube and the mounting tube. A connecting rod passes through the mounting bracket and can move relative to the mounting bracket on the axis of the fixed tube. A convex ring is formed at the end of the mounting tube away from the fixed tube. The convex ring is pressed by the opening and closing plate. The opening and closing plate is fixed to the connecting rod. An opening and closing spring is installed between the opening and closing plate and the mounting bracket. The opening and closing spring can keep the opening and closing plate in the closed convex ring position.

6. A lime coating system for pest and disease control in forestry planting according to claim 5, characterized in that, The mounting bracket includes: The mounting ring consists of a mounting ring, connecting ribs, and a central ring. The mounting ring is clamped between the fixing tube and the mounting tube. The inner wall of the mounting ring is connected to a central ring by at least two connecting ribs. The central ring allows the connecting rod to pass through.

7. A lime coating system for forestry planting pest and disease control according to claim 6, characterized in that, A sealing ring is clamped between the fixed tube and the installation tube, and the sealing ring is made of elastic material.

8. A lime coating system for forestry planting pest and disease control according to claim 1, characterized in that, A lifting spring is installed between the clamping block and the inner wall of the arc-shaped groove. The clamping block has an insertion hole for one end of the anti-disengagement arm to extend into. The clamping block has a rotating groove and a blocking groove, which are connected. The rotating groove is located above the blocking groove. The rotating groove is used to rotate the rotating disk, and the inner wall of the blocking groove is used to block the rotation of the rotating disk. The rotating groove and the rotating disk are aligned only when the anti-disengagement arm is inserted into the support arm. The clamping block has a lifting groove for the screw to rise and fall. The anti-disengagement arm is used to lower the clamping block by squeezing the inner wall of the insertion hole. A lifting spring is installed between the clamping block and the bottom wall of the arc-shaped groove. The lifting spring is used to ensure that the blocking groove and the rotating disk are aligned.

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