CN217963218U

CN217963218U - Trees spraying equipment for garden maintenance

Info

Publication number: CN217963218U
Application number: CN202222886756.3U
Authority: CN
Inventors: 纪振山; 张靖雪; 徐小宁
Original assignee: Yantai Laishan District Garden Construction And Maintenance Center
Current assignee: Yantai Laishan District Garden Construction And Maintenance Center
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2022-12-06
Anticipated expiration: 2032-11-01

Abstract

The utility model belongs to the technical field of gardens maintenance, specifically provide a trees spraying equipment is used in gardens maintenance, including many sizes coupling limiting mechanism, automatically cleaning formula lift spraying mechanism, arrester and walking car, many sizes coupling limiting mechanism symmetric distribution fix locate walking car upper wall forward position, and automatically cleaning formula lift spraying mechanism locates and walks the car upper wall, and arrester symmetric distribution locates and walks the front end lateral wall of car walking direction. The utility model discloses utilize the gliding centre gripping mode of array to carry out the coupling centre gripping to the trunk, make whitewash regional top edge line comparatively neat, improved the shaping effect that the trunk whitewashed, the trunk that can the various diameters of coupling simultaneously is showing the suitability that has improved equipment, utilizes the high-efficient clean effect that two-way array circulation air current produced in advance to clean the trunk surface, has improved the spraying quality once more.

Description

Trees spraying equipment for garden maintenance

Technical Field

The utility model belongs to the technical field of the gardens maintenance, specifically indicate a trees spraying equipment is used in gardens maintenance.

Background

When the gardens are maintained, the trunk lower part of the tree often needs to be whitewashed, the trunk whitewash can effectively prevent the tree from frost cracking, and can play the effect of sterilization and insect prevention, at present, the trunk whitewash is carried out by manual operation, not only wastes time and energy, but also the whitewash quality is uneven with the shaping effect.

In the prior art, partial equipment can perform whitewashing treatment on a trunk, but the following technical problems generally exist:

(1) In the prior art, a white coating area is not limited generally, and the upper edges of the white coating area are uneven, so that the overall attractiveness is influenced;

(2) In the prior art, the paint flowing downwards along the trunk in the white coating process is generally not blocked, so that the paint is wasted, and the paint is easily attached to the ground near the roots, thereby increasing the cleaning difficulty;

(3) More dust often adheres to trunk surface, and prior art lacks the clean process to the trunk before whitewashing the trunk, and the coating easily drops.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's is not enough, a trees spraying equipment is used in gardens maintenance is provided, this trees spraying equipment utilizes the gliding centre gripping mode of array to carry out the coupling centre gripping to the trunk, make whitewash regional top edge formation whole loop line, thereby make whitewash regional top edge line comparatively neat, the shaping effect that the trunk whitewashed has been improved, the trunk that can the various diameters of coupling simultaneously, the suitability that has shown the improvement equipment, the high-efficient clean effect that utilizes two-way array circulation air current to produce in advance is cleaned the trunk surface, and simultaneously, the effect of sheltering from that utilizes fixed device limits the spraying scope, the spraying quality has been improved once more.

The utility model adopts the following technical scheme: this scheme provides a trees spraying equipment is used in gardens maintenance, including many sizes coupling limiting mechanism, self-cleaning formula lift spraying mechanism, arrester and walking car, many sizes coupling limiting mechanism symmetric distribution fix locate walking car upper wall forward position, self-cleaning formula lift spraying mechanism locates walking car upper wall, the front end lateral wall of walking car walking direction is located to arrester symmetric distribution, self-cleaning formula lift spraying mechanism includes spacing arc spraying board, the guide post, coating storage tank and reciprocal air current cleaner, coating storage tank is fixed to walking car upper wall, the guide post symmetric distribution locates many sizes coupling limiting mechanism lateral wall, it locates the guide post lateral wall to go up spacing arc spraying board respectively the slip joint, reciprocal air current cleaner locates spacing arc spraying board lower wall.

The multi-size coupling limiting mechanism comprises a multi-size coupling frame, a coupling electric push rod and a locking upright post, wherein the locking upright post is symmetrically distributed and fixedly arranged at the front edge of the upper wall of the walking vehicle, the coupling electric push rod is horizontally and fixedly arranged at the upper edge of the opposite side wall of the locking upright post, the multi-size coupling frame is fixedly arranged at the side wall of the output end of the coupling electric push rod, the coupling slide rods are arranged in an array mode in a sliding and penetrating mode and are arranged in a parallel sliding mode, coupling reset springs are arranged at the end portions, close to the locking upright post, of the coupling slide rods, and the two ends of each coupling reset spring are fixedly connected with the upper wall of the coupling slide rod and the side wall of the multi-size coupling frame respectively.

Furthermore, spraying electric push rods are fixedly arranged on opposite side walls of the locking upright columns in an array manner from top to bottom, the side walls of the output ends of the spraying electric push rods are fixedly connected with the side walls of the guide columns respectively, the spraying electric push rods and the coupling electric push rods are identical in structure and run synchronously, and spraying guide racks are fixedly arranged on the side walls of the guide columns.

Further, the fixed elevator motor that is equipped with of lateral wall that upper limit arc spraying board kept away from each other, the coaxial fixed elevator gear that is equipped with of elevator motor output, elevator gear and spraying direction rack toothing, the lateral wall array that upper limit arc spraying board is close to each other runs through fixedly and is equipped with the nozzle, the nozzle on same upper limit arc spraying board loops through the pipeline through connection, the fixed spacing piece of semi-ring that is equipped with of upper wall of upper limit arc spraying board, the spacing piece of semi-ring is used for restricting the coating spraying upper bound, make the regional top edge line of spraying comparatively neat.

Furthermore, the coating storage tank lateral wall is run through fixedly and is equipped with the spraying pump, and spraying pump and nozzle pass through hose through connection.

Further, reciprocal air current cleaner includes the bar air outlet nozzle, the bar is inhaled the tuyere and is cleaned the fan, clean the fixed spacing arc spraying board lower wall middle part of locating of fan, bar air outlet nozzle and the bar is inhaled the tuyere and is fixed locating spacing arc spraying board lower wall of array distribution respectively, bar air outlet nozzle and bar are inhaled the tuyere and are followed spacing arc spraying board lower wall edge and alternately array distribution setting in proper order, bar air outlet nozzle passes through the pipeline through connection with the output of clean fan respectively, the bar is inhaled the tuyere and is passed through the pipeline through connection with the input of clean fan respectively.

Furthermore, the lengths of the coupling sliding rods are different, the side faces of the end parts, far away from the locking upright post, of all the coupling sliding rods in the same multi-size coupling frame jointly form a cambered surface, and rubber coupling pads are fixedly arranged at the end parts, far away from the locking upright post, of the coupling sliding rods respectively.

Furthermore, the arrester comprises a rotary clamping rod, a clamping plate and a clamping electric push rod, the rotary clamping rod is symmetrically distributed and rotatably arranged on the side wall of the front end of the walking vehicle, the clamping plate is fixedly arranged on the side wall of the end part of the rotary clamping rod far away from the walking vehicle respectively, the clamping electric push rod is symmetrically distributed and rotatably arranged on the side wall of the front end of the walking vehicle respectively, the output end of the clamping electric push rod is hinged to the side wall of the rotary clamping rod respectively, the clamping plate is arranged in a semi-circular arc shape, and a flexible clamping arresting strip is fixedly arranged on the side wall of the inner arc of the clamping plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The multi-size coupling limiting mechanism utilizes an array sliding clamping mode to carry out coupling clamping on the trunk, so that the upper edge of the whitewashing area forms an integral circular line, the upper edge line of the whitewashing area is relatively neat, the forming effect of the whitewashing of the trunk is improved, the trunks with various diameters can be coupled, and the applicability of the equipment is obviously improved;

(2) The self-cleaning type lifting spraying mechanism cleans the surface of the trunk by utilizing the efficient cleaning action generated by the bidirectional array circulating airflow in advance, and simultaneously limits the spraying range by utilizing the shielding action of the fixing device, so that the spraying quality is improved again;

(3) The stopper clamps the bottom of the trunk, so that a large amount of paint flowing down along the trunk in the spraying process is prevented from flowing to the ground;

(4) The multi-size coupling frame enables the equipment to couple and surround trunks with various diameters by using the coupling sliding rods arranged in an array, so that edge lines of a neat white-out area are formed;

(5) The semi-ring limiting sheet limits the upper edge of the spraying range of the nozzle, and the semi-ring limiting sheet and the coupling sliding rod are matched with each other, so that double limitation on the spraying range is realized, and the uniformity of the spraying upper edge is further improved;

(6) The reciprocating airflow cleaner cleans the surface of the trunk in advance by means of air exhaust and air suction distributed in a cross array mode, a plurality of airflow circulations are formed outside the trunk, the airflow impact effect and the negative pressure adsorption effect are achieved, the cleaning efficiency is obviously improved, and a clean working surface is provided for the spraying effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the self-cleaning lifting spraying mechanism of the present invention;

fig. 3 is a schematic structural diagram of a multi-dimension coupling limiting mechanism according to the present invention;

fig. 4 is a schematic structural diagram of a multi-size coupling frame according to the present invention;

FIG. 5 is a schematic structural view of the upper limiting arc-shaped spraying plate provided by the present invention;

FIG. 6 is a schematic view of a reciprocating airflow cleaner according to the present invention;

fig. 7 is a top view of the arrester according to the present invention.

The device comprises a multi-size coupling limiting mechanism 1, a multi-size coupling frame 11, a multi-size coupling frame 111, a coupling sliding rod 1111, a coupling return spring 1112, a rubber coupling pad 12, a coupling electric push rod 13, a locking upright post 131, a spraying electric push rod 2, a self-cleaning type lifting spraying mechanism 21, an upper limiting arc-shaped spraying plate 211, a lifting motor 2111, a lifting gear 212, a nozzle 213, a semi-ring limiting plate 22, a guide post 221, a spraying guide rack 23, a paint storage tank 231, a spraying pump 24, a reciprocating air flow cleaner 241, a strip-shaped air outlet nozzle 242, a strip-shaped air suction nozzle 243, a cleaning fan 3, a blocker 31, a rotating clamping rod 32, a clamping plate 321, a flexible clamping blocker 33, a clamping electric push rod 4 and a traveling crane.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, the tree spraying equipment for garden maintenance in this embodiment includes a multi-size coupling limiting mechanism 1, a self-cleaning lifting spraying mechanism 2, a blocker 3 and a traveling vehicle 4, the multi-size coupling limiting mechanism 1 is symmetrically disposed and fixed on the front edge of the upper wall of the traveling vehicle 4, the self-cleaning lifting spraying mechanism 2 is disposed on the upper wall of the traveling vehicle 4, the blocker 3 is symmetrically disposed on the front side wall of the traveling vehicle 4 in the traveling direction, the self-cleaning lifting spraying mechanism 2 includes an upper limit arc-shaped spraying plate 21, a guide post 22, a paint storage tank 23 and a reciprocating air cleaner 24, the paint storage tank 23 is fixed on the upper wall of the traveling vehicle 4, the guide post 22 is symmetrically disposed on the side wall of the multi-size coupling limiting mechanism 1, the upper limit arc-shaped spraying plate 21 is slidably engaged with the side wall of the guide post 22, the reciprocating air flow cleaner 24 is arranged on the lower wall of the upper limiting arc-shaped spraying plate 21, the multi-size coupling limiting mechanism 1 comprises a multi-size coupling frame 11, a coupling electric push rod 12 and a locking upright post 13, the locking upright post 13 is symmetrically distributed and fixedly arranged on the front edge of the upper wall of the walking vehicle 4, the coupling electric push rod 12 is horizontally and fixedly arranged on the upper edge of the opposite side wall of the locking upright post 13, the multi-size coupling frame 11 is fixedly arranged on the side wall of the output end of the coupling electric push rod 12, the coupling sliding rods 111 are distributed and slidably penetrated in an array mode on the inner wall of the multi-size coupling frame 11, the coupling sliding rods 111 are arranged in a mutually parallel sliding mode, a coupling return spring 1111 is arranged at the end portion, close to the locking upright post 13, of the coupling sliding rod 111, and two ends of the coupling return spring 1111 are fixedly connected with the upper wall of the coupling sliding rod 111 and the side wall of the multi-size coupling frame 11 respectively.

Referring to fig. 2 and 3, in the present embodiment, two spraying electric push rods 131 are fixedly disposed on opposite side walls of the locking column 13 from top to bottom, the side walls of the output ends of the spraying electric push rods 131 are respectively and fixedly connected with the side walls of the guiding column 22, the spraying electric push rods 131 and the coupling electric push rods 12 have the same structure and operate synchronously, and the side walls of the guiding column 22 are fixedly disposed with a spraying guiding rack 221.

Referring to fig. 5, in the present embodiment, the mutually distant side walls of the upper limiting arc-shaped spraying plate 21 are fixedly provided with a lifting motor 211, the output end of the lifting motor 211 is coaxially and fixedly provided with a lifting gear 2111, the lifting gear 2111 is engaged with the spraying guide rack 221, the mutually close side wall arrays of the upper limiting arc-shaped spraying plate 21 are fixedly provided with nozzles 212 in a penetrating manner, the nozzles 212 on the same upper limiting arc-shaped spraying plate 21 are sequentially connected through a pipeline, and the upper wall of the upper limiting arc-shaped spraying plate 21 is fixedly provided with a half-ring limiting plate 213.

Referring to fig. 2, in the present embodiment, a spraying pump 231 is fixedly disposed through a sidewall of the paint storage tank 23, and the spraying pump 231 and the nozzle 212 are connected through a hose.

Referring to fig. 6, in this embodiment, the reciprocating airflow cleaner 24 includes a bar-shaped air outlet 241, a bar-shaped air suction nozzle 242 and a cleaning fan 243, the cleaning fan 243 is fixedly disposed at the middle of the lower wall of the upper limit arc-shaped spraying plate 21, the bar-shaped air outlet 241 and the bar-shaped air suction nozzle 242 are respectively fixedly disposed at the lower wall of the upper limit arc-shaped spraying plate 21 in an array manner, the bar-shaped air outlet 241 and the bar-shaped air suction nozzle 242 are sequentially arranged in an intersecting array manner along the edge of the lower wall of the upper limit arc-shaped spraying plate 21, the bar-shaped air outlet 241 is respectively connected with the output end of the cleaning fan 243 through a pipeline, and the bar-shaped air suction nozzle 242 is respectively connected with the input end of the cleaning fan 243 through a pipeline.

Referring to fig. 4, in this embodiment, the lengths of the coupling sliding rods 111 are different, the side surfaces of the end portions of all the coupling sliding rods 111 far away from the locking upright 13 in the same multi-size coupling frame 11 form an arc surface together, and the end portions of the coupling sliding rods 111 far away from the locking upright 13 are respectively and fixedly provided with a rubber coupling pad 1112.

Referring to fig. 7, in this embodiment, the arrester 3 includes a rotating clamping rod 31, a clamping plate 32 and a clamping electric push rod 33, the rotating clamping rod 31 is symmetrically disposed on a front side wall of the traveling vehicle 4, the clamping plate 32 is respectively and fixedly disposed on a side wall of an end portion of the rotating clamping rod 31 far away from the traveling vehicle 4, the clamping electric push rod 33 is symmetrically disposed on a front side wall of the traveling vehicle 4, an output end of the clamping electric push rod 33 is respectively hinged to the rotating clamping rod 31, the clamping plate 32 is in a semi-arc shape, and an inner arc side wall of the clamping plate 32 is fixedly provided with a flexible clamping arresting bar 321.

The implementation principle of the embodiment is as follows:

the multi-size coupling limiting mechanism 1 utilizes the coupling sliding rods 111 sliding in the array to carry out coupling clamping on the trunk, so that the upper edge of a whitewashing area forms an integral circular line to limit the whitewashing area, the self-cleaning type lifting spraying mechanism 2 carries out synchronous airflow cleaning and spraying on the trunk, the arrester 3 clamps the bottom of the trunk, and a large amount of paint flowing down along the trunk in the spraying process is prevented from flowing to the ground.

The specific implementation manner of this embodiment is:

before whitewashing construction is carried out on a trunk, an operator firstly adds paint into the paint storage tank 23 to meet the requirement of spraying operation, in an initial state, the spraying electric push rod 131, the coupling electric push rod 12 and the clamping electric push rod 33 are in a contraction state, the upper limiting arc-shaped spraying plate 21 is farthest away, the clamping plate 32 is farthest away, the upper limiting arc-shaped spraying plate 21 is respectively positioned at the upper end of the side wall of the guide column 22, the operator operates the walking vehicle 4 to move towards the trunk and enables the upper limiting arc-shaped spraying plate 21 to be respectively positioned at two sides of the trunk, at the moment, the trunk is positioned between the coupling sliding rods 111, the spraying electric push rod 131, the coupling electric push rod 12 and the clamping electric push rod 33 synchronously run and extend, the coupling electric push rod 12 drives the multi-size coupling frames 11 to mutually approach towards the trunk, when the end part of one coupling sliding rod 111 contacts the trunk, the coupling sliding rod 111 cannot continue to move due to the blocking of the trunk, thereby produce the slip for many sizes coupling frame 11, rubber coupling pad 1112 hugs closely the trunk surface under the elastic force effect of coupling reset spring 1111, a plurality of coupling slide bars 111 surround the trunk jointly at this in-process, many sizes coupling frame 11 utilizes the coupling slide bar 111 of array setting to make equipment can surround the trunk coupling of various diameters, thereby the regional margin line of neat whitewashing has been formed, spraying electric putter 131 promotes guide post 22 and is close to the trunk in step, and drive upper limit arc spraying board 21 and be close to the trunk, when upper limit arc spraying board 21 contacted each other and formed annular spraying encirclement, spraying electric putter 131 stops the operation, centre gripping electric putter 33 promotes to rotate centre gripping pole 31 and rotates the synchronous side rotation of trunk, it makes centre gripping board 32 approach the trunk gradually until with the trunk centre gripping to rotate centre gripping pole 31.

After the device finishes clamping the trunk and a spraying working surface is formed, spraying operation is started, the spraying pump 231, the cleaning fan 243 and the lifting motor 211 synchronously start to operate, air flow generated by the cleaning fan 243 is divided into a plurality of air flows through the strip air outlet nozzle 241 and blown out to the trunk surface, dust on the trunk surface is blown up, the blown dust enters the cleaning fan 243 again along with the air flow through the strip air suction nozzle 242, the trunk surface is cleaned efficiently, the operation of the spraying pump 231 enables paint in the paint storage tank 23 to respectively reach the nozzles 212 through pipelines and to be sprayed out to the trunk surface from the nozzles 212, spraying operation is performed on the trunk, in the process, the half ring limiting plates 213 limit the upper edge of a spraying range of the nozzles 212, the half ring limiting plates 213 are matched with the coupling sliding rod 111, double limitation on the spraying range is achieved, the uniformity of the upper edge of spraying is further improved, the lifting motor 211 drives the lifting gear 2111 to rotate, the lifting gear 2111 drives the upper limiting arc-shaped plate 21 to synchronously descend along the guide column 22 through the spraying guide rack 221, in the process, the arc-shaped air flow is used for cleaning the upper limiting arc-shaped upper limit arc-shaped plate 21, and the upper limit arc-shaped plate is continuously performed on the upper limit plate by the upper limit plate.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, it should be understood that those skilled in the art should also understand the scope of the present invention without inventively designing the similar structure and embodiments of the present invention without departing from the spirit of the present invention.

Claims

1. The utility model provides a trees spraying equipment is used in gardens maintenance, is including walking car (4), its characterized in that: walk fixed many sizes coupling defining mechanism (1) that is equipped with of driving (4) upper wall forward edge symmetric distribution, it is equipped with automatically cleaning formula lift spraying mechanism (2) to walk driving (4) upper wall, it is equipped with arrester (3) to walk driving (4) front end lateral wall symmetric distribution, automatically cleaning formula lift spraying mechanism (2) are including last spacing arc spraying board (21), guide post (22), coating storage tank (23) and reciprocal air current cleaner (24), coating storage tank (23) are fixed to be located driving (4) upper wall, many sizes coupling defining mechanism (1) lateral wall is located to guide post (22) symmetric distribution, go up spacing arc spraying board (21) and slide joint respectively and locate guide post (22) lateral wall, reciprocal air current cleaner (24) are located last spacing arc spraying board (21) lower wall.

2. The tree spraying equipment for garden maintenance according to claim 1, wherein: many sizes coupling definition mechanism (1) is including many sizes coupling frame (11), coupling electric putter (12) and locking stand (13), locking stand (13) symmetric distribution is fixed locates walking car (4) upper wall front edge, coupling electric putter (12) level is fixed to be located locking stand (13) lateral wall along in opposite directions, many sizes coupling frame (11) are fixed to be located coupling electric putter (12) output lateral wall, many sizes coupling frame (11) inner wall array distribution is slided and is run through and is equipped with coupling slide bar (111), coupling slide bar (111) slide arrangement each other side by side, coupling slide bar (111) are close to the tip of locking stand (13) and are equipped with coupling reset spring (1111), coupling reset spring (1111) both ends respectively with coupling slide bar (111) upper wall and many sizes coupling frame (11) lateral wall fixed connection.

3. The tree spraying equipment for garden maintenance according to claim 2, wherein: the spraying electric push rod (131) is fixedly arranged on the opposite side walls of the locking upright column (13) in an array distribution mode from top to bottom, the side walls of the output end of the spraying electric push rod (131) are fixedly connected with the side walls of the guide column (22) respectively, the spraying electric push rod (131) and the coupling electric push rod (12) are identical in structure and run synchronously, and the spraying guide rack (221) is fixedly arranged on the side walls of the guide column (22).

4. The tree spraying equipment for garden maintenance according to claim 3, wherein: go up fixed elevator motor (211) that is equipped with of lateral wall that spacing arc spraying board (21) kept away from each other, elevator motor (211) output coaxial fixation is equipped with lifting gear (2111), lifting gear (2111) and spraying guide rack (221) meshing, the lateral wall array that goes up spacing arc spraying board (21) and be close to each other runs through fixed being equipped with nozzle (212), is gone up on same spacing arc spraying board (21) nozzle (212) loop through pipeline through connection, it is equipped with spacing piece of semi-ring (213) to go up spacing arc spraying board (21) upper wall fixed.

5. The tree spraying equipment for garden maintenance according to claim 4, wherein: reciprocal air current cleaner (24) inhales tuyere (242) and clean fan (243) including bar tuyere (241), bar, clean fan (243) are fixed to be located upper limit arc spraying board (21) lower wall middle part, bar tuyere (241) and bar are inhaled tuyere (242) and are fixed to be located upper limit arc spraying board (21) lower wall respectively array distribution, bar tuyere (241) and bar are inhaled tuyere (242) and are followed upper limit arc spraying board (21) lower wall edge and alternately array distribution in proper order and set up, bar tuyere (241) pass through pipeline through connection with the output of clean fan (243) respectively, the bar is inhaled tuyere (242) and is passed through pipeline through connection with the input of clean fan (243) respectively.

6. The tree spraying equipment for garden maintenance according to claim 5, wherein: the coating storage tank (23) side wall is penetrated and fixed with a spraying pump (231), and the spraying pump (231) and the nozzle (212) are connected through a hose.

7. The tree spraying equipment for garden maintenance according to claim 6, wherein: the lengths of the coupling sliding rods (111) are different, the side faces of the end parts, far away from the locking upright post (13), of all the coupling sliding rods (111) in the same multi-size coupling frame (11) form cambered surfaces together, and rubber coupling pads (1112) are fixedly arranged at the end parts, far away from the locking upright post (13), of the coupling sliding rods (111) respectively.

8. The tree spraying equipment for garden maintenance according to claim 7, wherein: blocker (3) are including rotating supporting rod (31), grip block (32) and centre gripping electric putter (33), it rotates to rotate supporting rod (31) symmetric distribution and locates walking car (4) front end lateral wall, grip block (32) are fixed respectively to be located and rotate supporting rod (31) and keep away from the tip lateral wall of walking car (4), centre gripping electric putter (33) symmetric distribution rotates respectively to be located and walks car (4) front end lateral wall, centre gripping electric putter (33) output is articulated with rotating supporting rod (31) lateral wall respectively, grip block (32) set up to half circular arc, the inner arc lateral wall of grip block (32) is fixed and is equipped with flexible centre gripping and blocks strip (321).