Frost rain broken branch cleaning device and cleaning method thereof

Abstract

The invention discloses a frozen rain broken branch cleaning device which comprises a walking mechanism and further comprises a supporting frame erected on the walking mechanism. The vehicle body is arranged on the supporting frame; the moving mechanism is used for moving and walking, the supporting frame is used for supporting the vehicle body, the broken branch crushing mechanism and the grabbing mechanism, and the rotating mechanism is used for adjusting the directions of the vehicle body, the broken branch crushing mechanism and the grabbing mechanism. The vehicle body is used for providing an operation environment and bearing important parts for workers, the broken branch smashing mechanism is used for smashing and recycling broken branches needing to be cleaned, the grabbing mechanism is used for grabbing the broken branches needing to be cleaned, and through the structure, cleaning and recycling of the broken branches needing to be cleaned in the freezing rain are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of intelligent forest leaves, in particular to a frozen rain broken branch cleaning device and a cleaning method thereof. BACKGROUND

[0002] In early winter or late winter and early spring, frozen rain phenomenon is prone to occur in some areas. This disastrous weather can break tree branches, block roads, cause economic and greening losses, hinder road traffic, affect travel safety, and affect the safety of people's life and property. Since further requirements have been made on urban greening and road traffic safety, "technology empowerment and wisdom governance" has become a basic improvement principle. At present, the broken branches are cleaned manually, and only the branches can be transported away, which cannot be handled in time, which consumes a lot of manpower and material resources and the working environment is cold and harsh.

[0003] The above content is only used to assist in understanding the technical solutions of the present application, and does not represent the acknowledgement of the above content as the closest prior art. SUMMARY

[0004] The present application aims to provide a frozen rain broken branch cleaning device to solve the problems in the background art. To achieve the above purpose, the present application provides the following technical solutions: a frozen rain broken branch cleaning device, comprising a walking mechanism, further comprising: a support frame arranged on the walking mechanism; a vehicle body arranged on the support frame; a broken branch crushing mechanism arranged on the vehicle body, the broken branch crushing mechanism comprising: a feeding port arranged on one side of the vehicle body, the feeding port being communicatively connected with a discharging channel, a crushing device being arranged between the feeding port and the discharging channel, for crushing the broken branches fed from the feeding port into the discharging channel, the discharging channel being provided with a discharging port at an end away from the crushing device, the discharging channel being used for discharging the crushed broken branches from the discharging port; a grabbing mechanism arranged on one side of the feeding port of the vehicle body, for grabbing the broken branches into the feeding port.

[0005] Preferably, the crushing mechanism comprises a motor, a driving wheel, a belt, a belt pulley, a main machine box, a handle, a hinge, a main shaft, a flange bearing seat, a cutter head, a blade, a 3mm screen, and a crushing bin. The motor is arranged on the vehicle body, the driving wheel is connected with the rotating shaft of the motor, the driving wheel and the belt pulley are sleeved with a belt, the belt pulley is connected with the main shaft, the main shaft is installed on the main machine box through the flange bearing seat, the cutter head is installed on the main shaft, and the cutter blade is installed on the cutter head and is used for crushing the broken branches. The main machine box is located behind the main shaft, the handle and the hinge are installed on the main machine box and are used for opening and closing the main machine box, the 3mm screen and the crushing bin are installed in the main machine box, the 3mm screen is used for passing the wood crushed by the broken branches, and the crushing bin is used for storing the wood which does not meet the crushing requirement.

[0006] Preferably, the moving mechanism comprises a track, a track tensioning mechanism, a guide wheel, a chain supporting wheel, a supporting wheel, a driving wheel and a walking frame. The supporting wheel is in contact with the track, is connected with the walking frame, is located above the track and below the walking frame, and is used for supporting and correcting the track. The chain supporting wheel is in contact with the track, is fixed above the walking frame, is located between the track and the walking frame, and is used for supporting the upper track to prevent the track from colliding and reduce the oscillation of the track. The track tensioning mechanism is located in the walking frame and is connected with the guide wheel, is used for adjusting the tightness of the track by changing the distance between the guide wheel and the driving wheel, and maintains the appropriate tightness of the track. The guide wheel is located at the front end and is in contact with the track, is used for inducing and supporting the track, and adjusts the tightness of the track together with the track tensioning mechanism. The driving wheel is located behind the guide wheel and is in mesh with the track, is in mesh with the track through the gear, and transmits power to the track to move the moving mechanism.

[0007] Preferably, a rotating mechanism is further arranged between the supporting frame and the vehicle body and is used for driving the vehicle body to rotate.

[0008] Preferably, the rotating mechanism comprises an external gear, a rotating platform and an internal gear. The rotating platform is fixed above the supporting frame, the external gear is in mesh with the internal gear below the rotating platform, and rolling steel balls are arranged between the external gear and the rotating mechanism to realize the rotating function.

[0009] Preferably, the grabbing mechanism comprises a driving arm, a hydraulic cylinder group, a driven arm, a moving rod, a connecting rod and a mechanical claw hand. The driving arm is connected with the vehicle body and the driven arm through the hydraulic cylinder group, one end of the moving rod is connected with the hydraulic cylinder group connected with the driven arm, the other end of the moving rod is connected with the mechanical claw hand, one end of the connecting rod is connected with the hydraulic cylinder connected with the driven arm and the moving rod, the other end of the connecting rod is connected with the driven arm, the hydraulic cylinder group is used for controlling the opening and closing of the mechanical claw hand, and the grabbing action is performed.

[0010] Preferably, the hydraulic cylinder group comprises an arm cylinder and an arm piston. The arm cylinder is connected with the vehicle body, one end of the arm piston is connected with the arm cylinder, and the other end is connected with the driving arm to drive the movement of the driving arm and the driven arm.

[0011] Preferably, the mechanical claw hand comprises a claw hand, a movable connecting rod, a movable connecting rod, a fixed rod, and a pushing frame. One end of the fixed rod is fixed to the lower end of the driven arm, and the other end is connected with the movable connecting rod. The other end of the movable connecting rod is connected with the movable connecting rod. The movable connecting rod is connected with the claw hand and the pushing frame. The other end of the pushing frame is connected with the movable rod. When the hydraulic cylinder drives the pushing frame to move back and forth, the opening and closing of the mechanical claw hand are realized.

[0012] A method for cleaning broken branches after freezing rain, for cleaning broken branches of street greenery after freezing rain, comprising the following steps: S1: After the staff enters the operation room, the moving mechanism is controlled to move along the street greenery by the control system.

[0013] S2: When encountering a broken branch on the roadside, stop at an appropriate position from the branch, and the staff operates the control vehicle body to rotate to the appropriate direction, so that the grabbing mechanism is opposite the front of the branch to be cleaned.

[0014] S3: The staff controls the grabbing mechanism to grab the branch, and after successful grabbing, the branch is sent into the feed inlet of the broken branch crushing mechanism. S4: After the branch is released by the grabbing mechanism, it directly enters the crushing chamber of the broken branch crushing mechanism under the action of gravity and the feed inlet chute guide. The feed inlet is connected with the main machine box, and the vertical drop between the bottom plate lowest point and the cutter head highest point is kept at 90mm, which ensures that the branch can continuously slide to the crushing working area without additional feeding mechanism.

[0015] S5: The crushing device is started, the motor fixed to the vehicle compartment drives the driving wheel to rotate, the belt drives the pulley and the main shaft to rotate at high speed in the flange bearing seat, the cutter head connected with the main shaft rotates synchronously, and the cutter blade installed on the outer edge of the cutter head cuts and crushes the branches falling into the crushing chamber in an instant, completing the continuous crushing operation of the branches from the feed inlet to the crushing mechanism.

[0016] S6: The branch residues formed by high-speed cutting of the cutter blade fall to the 3mm screen under the combined action of gravity and cutter head airflow. The qualified materials with particle size ≤3mm can pass through the screen into the discharge channel and slide to the discharge port along the discharge channel, while the unqualified residues with particle size >3mm are intercepted on the upper surface of the screen and are thrown again by the continuous rotation of the cutter head, and are cut, impacted and sheared again when the cutter blade passes again, realizing secondary crushing without additional return material mechanism.

[0017] S7: the residual material of qualified particle size passes through the 3mm screen and falls into the discharge channel sealed and welded with the bottom of the crushing bin under the action of gravity; the discharge channel is an inclined groove body, the high end of which is flush with the bottom surface of the screen, and the low end is integrally communicated with the discharge outlet at the rear end of the vehicle body, and the residual material slides freely along the fixed slope to the discharge outlet; the operator operates the rotating mechanism to make the external gear drive the rotating platform to rotate, and the rear end of the vehicle body is directed towards the green belt, and the discharge outlet is aligned with the green belt, so that the residual material can be directly discharged by inertia and gravity, and the directional spreading of the crushed residual material is completed.

[0018] S8: the wood material of qualified particle size entering the discharge channel can be used as organic fertilizer and is scattered into the green belt through the discharge outlet for recycling.

[0019] S9: after the tree branches are crushed, the branch crushing mechanism stops operating and remains in standby state, the operator controls the rotating mechanism to make the vehicle body rotate to the forward direction, and the vehicle body continues to operate along the street.

[0020] Compared with the prior art, the beneficial effects of the present application are: 1. The moving mechanism is used for moving and walking, the support frame is used for supporting the vehicle body, the branch crushing mechanism and the grabbing mechanism, the rotating mechanism is used for adjusting the direction of the vehicle body, the branch crushing mechanism and the grabbing mechanism, the vehicle body is used for providing an operating environment for the operator and bearing important components, the branch crushing mechanism is used for crushing and recycling the broken branches that need to be cleaned, the grabbing mechanism is used for grabbing the broken branches that need to be cleaned, and the control system is used for controlling the movement and operation of the moving mechanism, the rotating mechanism, the branch crushing mechanism and the grabbing mechanism, so that the cleaning and recycling of the frozen and broken branches are realized.

[0021] 2. The 3mm screen is provided, so that the crushed wood chips become organic fertilizer, and the broken branches are fully recycled.

[0022] 3. The crushing bin is provided to repeatedly crush the wood chips that do not meet the discharge requirements, so as to ensure that all wood chips meet the discharge requirements.

[0023] 4. The external gear of the rotating mechanism and the internal gear of the rotating platform are engaged, so that the vehicle body, the grabbing mechanism and the branch crushing mechanism can realize 360° plane rotation, and the cleaning of the broken branches is ensured without dead angle, and the discharged wood chips can be accurately scattered into the green belt. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The cleaning flowchart of the present application.

[0025] Figure 2 The three-dimensional structure schematic diagram of the present application.

[0026] Figure 3 The overall cross-sectional schematic diagram of the present application.

[0027] Figure 4 is a partial enlarged view of the grabbing mechanism of the present application.

[0028] Figure 5 is a cross-sectional view and a perspective view of the crushing device of the present application.

[0029] Figure 6 is a perspective view of the moving mechanism of the present application.

[0030] In the figure: moving mechanism (1), track (101), track tensioning mechanism (102), guide wheel (103), chain sprocket (104), carrier roller (105), drive wheel (106), walking frame (107), support frame (2), rotating mechanism (3), external gear (301), rotating platform (302), internal gear (303), vehicle body (4), operating room (401), counterweight (402), carriage (403), exhaust pipe (404), branch crushing mechanism (5), feed inlet (501), crushing device (502), discharge channel (503), discharge outlet (504), motor (505), driving wheel (506), belt (507), pulley (508), main machine case (509), handle (510), hinge (511), main shaft (512), flange bearing seat (513), cutter head (514), blade (515), 3mm screen (516), crushing bin (517), grabbing mechanism (6), driving arm (601), hydraulic cylinder (602), driven arm (603), moving rod (604), connecting rod (605), mechanical claw hand (606), arm cylinder (607), arm piston (608), claw hand (609), movable connecting rod 1 (610), movable connecting rod 2 (611), fixed rod (612), pushing frame (613). DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0032] Embodiment 1 Referring to Figures 1-6The application discloses a frozen rain branch breaking and cleaning device, which comprises a moving mechanism 1, a caterpillar belt 101, a caterpillar belt tensioning mechanism 102, a guide wheel 103, a chain wheel 104, a supporting wheel 105, a driving wheel 106, a walking frame 107, a supporting frame 2, a rotating mechanism 3, an external gear 301, a rotating platform 302, an internal gear 303, a vehicle body 4, an operating room 401, a counterweight 402, a vehicle compartment 403, an exhaust pipe 404, a branch breaking and crushing mechanism 5, a feeding port 501, a crushing device 502, a discharging channel 503, a discharging port 504, a motor 505, a driving wheel 506, a belt 507, a belt wheel 508, a main machine box 509, a handle 510, a hinge 511, a main shaft 512, a flange bearing seat 513, a cutter head 514, a cutter blade 515, a 3mm screen 516, a crushing bin 517, a grabbing mechanism 6, a driving arm 601, a hydraulic cylinder 602, a driven arm 603, a moving rod 604, a connecting rod 605, a mechanical claw hand 606, an arm cylinder barrel 607, an arm piston 608, a claw hand 609, a movable connecting rod 1 610, a movable connecting rod 2 611, a fixed rod 612 and a pushing frame 613. The moving mechanism 1, the caterpillar belt tensioning mechanism 102, the guide wheel 103, the chain wheel 104, the supporting wheel 105, the driving wheel 106 and the walking frame 107 are arranged in the moving mechanism 1. The caterpillar belt 101 is annularly wrapped around the caterpillar belt tensioning mechanism 102, the guide wheel 103, the chain wheel 104, the supporting wheel 105 and the driving wheel 106.

[0033] Referring to Figure 1 、 2 , 3, 6, the moving mechanism 1 comprises the caterpillar belt 101, the caterpillar belt tensioning mechanism 102, the guide wheel 103, the chain wheel 104, the supporting wheel 105, the driving wheel 106 and the walking frame 107, wherein the caterpillar belt 101 is annularly wrapped around the caterpillar belt tensioning mechanism 102, the guide wheel 103, the chain wheel 104, the supporting wheel 105 and the driving wheel 106.

[0034] Specifically, the supporting wheel 105 is in contact with the caterpillar belt 101 and is connected with the walking frame 107 and is located above the caterpillar belt 101 and below the walking frame 107 and is used for bearing and correcting the caterpillar belt 101.

[0035] Specifically, the chain wheel 104 is in contact with the caterpillar belt 101 and is fixed above the walking frame 107 and is located between the caterpillar belt 101 and the walking frame 107 and is used for supporting the caterpillar belt 101 to prevent the caterpillar belt 101 from colliding and reduce the oscillation of the caterpillar belt 101.

[0036] Specifically, the caterpillar belt tensioning mechanism 102 is connected with the guide wheel 103 and is located in the walking frame 107 and is used for adjusting the tightness of the caterpillar belt 101 by changing the distance between the guide wheel 103 and the driving wheel 106 and keeping the caterpillar belt 101 in proper tension.

[0037] Specifically, the guide wheel 103 is located at the front end and contacts with the track 101, used to induce and support the track 101, and adjusts the tightness of the track 101 together with the track tensioning mechanism 102. The drive wheel 106 is located behind the guide wheel 103 and meshes with the track 101, and through the gear and the track 101, the power is transmitted to the track 101 to move the moving mechanism 1.

[0038] Referring to Figure 6 , the support frame 2 is connected with the walking frame 107 in the moving mechanism 1, located between the left and right tracks 101, used to support the entire vehicle body 4, the broken branch crushing mechanism 5 and the grabbing mechanism 6.

[0039] Referring to Figure 1 , 2 , 3, 6, the rotating mechanism 3 is fixed above the support frame 2, and the outer gear 301 can mesh with the inner gear 303 below the rotating platform 302, and the outer gear 301 and the rotating mechanism 302 have rolling steel balls to realize the rotating function.

[0040] Referring to Figure 1 , 2 , 3, the vehicle body 4 is installed on the rotating platform 302, including an operating room 401, a counterweight 402, a vehicle compartment 403, and an exhaust pipe 404, and the vehicle compartment 403 is installed with an engine, a hydraulic pump, a control valve, an oil tank and the like.

[0041] Referring to Figure 3 , the broken branch crushing mechanism 5 is installed on the rotating platform 302 and located at the right side of the operating room 401, including a feeding port 501, a crushing device 502, a discharging passage 503 and a discharge port 504.

[0042] Specifically, the feeding port 501 is located below the front of the vehicle body 4, the broken branches enter from the feeding port 501, the crushing device 502 is located in the discharging passage 503, used to crush the broken branches that need to be cleaned, the discharging passage 503 is used to guide the crushed wood to the discharge port 504, and the discharge port 504 is located at the rear end of the vehicle compartment 403 and communicates with the discharging passage 503, used to discharge the wood.

[0043] Referring to Figure 5 , the crushing device 502 includes a motor 505, a driving wheel 506, a belt 507, a belt pulley 508, a main machine box 509, a handle 510, a hinge 511, a main shaft 512, a flange bearing seat 513, a cutter head 514, a cutter blade 515, a 3mm screen 516 and a crushing bin 517.

[0044] In the preferred scheme, referring to Figure 5The motor 505 is connected with the driving wheel 506, the driving wheel 506 is sleeved with the belt 507 on the pulley 508, the pulley 508 is connected with the main shaft 512, the main shaft 512 is installed on the main machine box 509 through the main bearing seat 513, the main shaft 512 is installed with the cutter head 514, the cutter head 514 is installed with the blade 515 for crushing the broken branches. The main machine box 509 is located at the rear of the main shaft 512, the main machine box 509 is installed with the handle 510 and the hinge 511 for opening and closing the main machine box 509, the main machine box 509 is installed with the 3mm screen 516 and the crushing bin 517, the 3mm screen 516 is used for passing the broken branch crushing wood, and the crushing bin 517 is used for storing the wood that does not meet the crushing requirement.

[0045] Referring to Figure 1 , 2 , 3, the grabbing mechanism 6 comprises a driving arm 601, a hydraulic cylinder 602, a driven arm 603, a moving rod 604, a connecting rod 605 and a mechanical claw hand 606. The driving arm 601 is connected with the vehicle body 4 through one hydraulic cylinder 602 and connected with the driven arm 603 through another hydraulic cylinder 602.

[0046] Specifically, the hydraulic cylinder 602 comprises an arm cylinder barrel 607 and an arm piston 608, the arm cylinder barrel 607 is connected with the vehicle body 4, one end of the arm piston 608 is connected with the arm cylinder barrel 607, and the other end is connected with the driving arm 601, which is used to drive the movement of the driving arm 601 and the driven arm 603. One end of the moving rod 604 is connected with the hydraulic cylinder 602 connected with the driven arm 603, and the other end is connected with the mechanical claw hand 606. One end of the connecting rod 605 is connected with the hydraulic cylinder 602 connected with the driven arm 603 and the moving rod 604, and the other end is connected with the driven arm 603, which is used to control the opening and closing of the mechanical claw hand 606 through the hydraulic cylinder 602 to perform the grabbing action.

[0047] In the preferred scheme, referring to Figure 4 , the mechanical claw hand 606 comprises a claw hand 609, a movable connecting rod 1 610, a movable connecting rod 2 611, a fixed rod 612 and a pushing frame 613. One end of the fixed rod 612 is fixed at the lower end of the driven arm 603, the other end is connected with the movable connecting rod 1 610, the other end of the movable connecting rod 1 610 is connected with the movable connecting rod 2 611, the movable connecting rod 2 611 is connected with the claw hand 609 and the pushing frame 613, and the other end of the pushing frame 613 is connected with the moving rod 604. When the hydraulic cylinder 602 drives the pushing frame 613 to move back and forth, the mechanical claw hand 606 can be opened and closed; In order to effectively transport the broken branches to the position of the crushing device 502 after the grabbing mechanism 6 grabs the broken branches, conveying rollers are arranged between the feeding port 501 and the crushing device 502 to facilitate the conveying of the broken branches after being grabbed; Finally, the operating room 401 is also provided with an operating control system for controlling various mechanisms and devices, so as to facilitate the operation of the user.

[0048] Embodiment two The embodiment also provides a cleaning method for broken branches of street greening after freezing rain, which comprises the following steps: S1: After the staff enters the operating room 401, the moving mechanism 1 is controlled by the control system to travel along the street green belt; S2: When encountering a broken branch on the roadside, stop at an appropriate position from the branch, and the staff operates the control vehicle body 4 to rotate to a suitable direction, so that the grabbing mechanism 6 is opposite to the front of the branch to be cleaned; S3: The staff controls the grabbing mechanism 6 to grab the branch, and after successful grabbing, the branch is sent into the feeding port 501 of the broken branch crushing mechanism 5; S4: After the branch is released by the grabbing mechanism 6, it directly enters the crushing chamber 517 of the broken branch crushing mechanism 5 under the action of gravity and the feeding port 501 chute guide, and the feeding port 501 is connected with the main machine box 509, and the vertical drop between the bottom plate lowest point and the cutter head 514 highest point is kept at 90mm, so that the branch can continuously slide to the crushing working area under its own weight without additional feeding mechanism; S5: The crushing device 502 is started, the motor 505 fixed to the carriage 403 drives the driving wheel 506 to rotate, and the belt 507 drives the pulley 508 and the main shaft 512 to rotate at high speed in the flange bearing seat 513, and the cutter head 514 connected with the main shaft 512 rotates synchronously, and the blade 515 installed on the outer edge of the cutter head 514 cuts and crushes the branches falling into the crushing chamber 517 instantly, completing the continuous crushing operation of the branches from the feeding port 501 to the crushing mechanism 5.

[0049] S6: The branch residues formed by high-speed cutting of the blade 515 fall to the 3mm screen 516 under the combined action of gravity and cutter head 514 airflow, wherein the qualified materials with particle size ≤3mm can pass through the screen into the discharge channel 503 and slide to the discharge port 504 along the discharge channel 503, and the unqualified residues with particle size >3mm are intercepted on the upper surface of the screen and are thrown again by the continuous rotation of the cutter head 514, and are cut, impacted and sheared again when the blade 515 passes again, realizing secondary crushing without additional return mechanism. S7: the qualified particle size of the residual material passes through the 3mm sieve 516, and then falls into the discharge channel 503 sealed and welded with the bottom of the crushing bin 517 under the action of gravity; the discharge channel 503 is an inclined chute body, the high end of which is flush with the bottom surface of the sieve, and the low end is integrally communicated with the discharge outlet 504 at the rear end of the vehicle body 4, and the residual material freely slides along the fixed slope to the discharge outlet 504; the operator operates the rotating mechanism 3 to drive the outer gear 301 to rotate the rotating platform 302, and drives the rear end of the vehicle body 4 to face the green belt, and the discharge outlet 504 is aligned with the green belt, so that the residual material can be directly discharged by inertia and gravity, and the directional spreading of the crushed residual material is completed.

[0050] S8: the wood material of qualified particle size entering the discharge channel 503 can be used as organic fertilizer, and is scattered into the green belt through the discharge outlet 504 for recycling; S9: after the branch crushing is completed, the branch crushing mechanism 5 stops operating and remains in standby state, and the operator controls the rotating mechanism 3 to rotate the vehicle body 4 to the forward direction, and continues to operate along the street.

[0051] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0052] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sleet branch breaking cleaning device comprising a moving mechanism (1), characterized in that, Also includes: Support frame (2) erected on the mobile mechanism (1); Vehicle body (4) provided on the support frame (2); Branch crushing mechanism (5) provided on the vehicle body (4), the branch crushing mechanism (4) comprising: The feed inlet (501) is provided on one side of the vehicle body (4), the feed inlet (501) is communicated with the discharge channel (503), the feed inlet (501) and the discharge channel (503) are provided with a crushing device (502), for crushing the branches put into the feed inlet (501) into the discharge channel (503), the discharge channel (503) is provided with a discharge port (504) away from the crushing device (502), the discharge channel (503) is used for discharging the crushed branches from the discharge port (504); The grabbing mechanism (6) is provided on one side of the feed inlet (501) of the vehicle body (4), which is used for grabbing the branches into the feed inlet.

2. A sleet and branch breaking device according to claim 1, wherein, The crushing mechanism includes motor (505), driving wheel (506), belt (507), belt pulley (508), main machine box (509), handle (510), hinge (511), main shaft (512), flange bearing seat (513), cutter head (514), blade (515), 3mm screen (516), crushing bin (517); The motor (505) is erected on the vehicle body (4), the driving wheel (506) and the rotating shaft of the motor (505) are connected, the driving wheel (506) and the belt pulley (508) are sleeved with the belt (507), the belt pulley (508) is connected with the main shaft (512), the main shaft (512) is installed on the main machine box (509) through the flange bearing seat (513), the main shaft (512) is installed with the cutter head (514), the cutter head (514) is installed with the blade (515), which is used for crushing branches. The main machine box (509) is located behind the main shaft (512), the main machine box (509) is installed with the handle (510) and the hinge (511), which is used for opening and closing the main machine box (509), the main machine box (509) is installed with the 3mm screen (516) and the crushing bin (517), the 3mm screen (516) is used to pass the crushed wood, and the crushing bin (517) is used to store the wood that does not meet the crushing requirement.

3. A sleet and branch breaking device according to claim 1, wherein The mobile mechanism includes track (101), track tensioning mechanism (102), guide wheel (103), chain sprocket (104), supporting wheel (105), driving wheel (106), walking frame (107); The supporting wheel (105) is in contact with the track (101) and is connected with the walking frame (107), located above the track (101) and below the walking frame (107), used for supporting and correcting the track (101); The chain sprocket (104) is in contact with the track (101) and is fixed above the walking frame (107), located between the track (101) and the walking frame (107), used for supporting the upper track (101) to prevent the track (101) from impacting and reduce the oscillation of the track (101); The track tensioning mechanism (102) is located in the walking frame (107) and is connected with the guide wheel (103), and the tightness of the track (101) is adjusted by changing the distance between the guide wheel (103) and the driving wheel (106), so that the track (101) is kept in proper tension; The guide wheel (103) is located at the front end and is in contact with the track (101), and is used to guide and support the track (101), and adjusts the tightness of the track (101) together with the track tensioning mechanism (102), and the driving wheel (106) is located behind the guide wheel (103) and is in mesh with the track (101), and through the meshing of the gear and the track (101), the power is transmitted to the track (101) to make the moving mechanism (1) move.

4. A sleet and branch breaking device according to claim 1, wherein The support frame (2) and the vehicle body (4) are further provided with a rotating mechanism (3) for driving the vehicle body (4) to rotate by 360 degrees.

5. A sleet and branch breaking device according to claim 4, wherein, The rotating mechanism comprises an external gear (301), a rotating platform (302) and an internal gear (303). The rotating platform (302) is fixed above the support frame (2), the external gear (301) is in mesh with the internal gear (303) below the rotating platform (302), and the external gear (301) and the rotating platform (302) are provided with rolling steel balls therebetween to realize the rotating function.

6. A sleet and branch breaking device according to claim 1, wherein, The grabbing mechanism comprises a driving arm (601), a hydraulic cylinder group (602), a driven arm (603), a moving rod (604), a connecting rod (605) and a mechanical claw hand (606). The driving arm (601) is connected with the hydraulic cylinder group (602), the vehicle body (4) and the driven arm (603), one end of the moving rod (604) is connected with the hydraulic cylinder group (602) connected with the driven arm (603), the other end is connected with the mechanical claw hand (606), one end of the connecting rod (605) is connected with the hydraulic cylinder (602) connected with the driven arm (603) and the moving rod (604), the other end is connected with the driven arm (603), and the hydraulic cylinder group (602) is used to control the opening and closing of the mechanical claw hand (606) to perform the grabbing action.

7. A sleet and branch breaking device according to claim 6, wherein The hydraulic cylinder group (602) comprises an arm cylinder barrel (607) and an arm piston (608). The arm cylinder barrel (607) is connected with the vehicle body (4), one end of the arm piston (608) is connected with the arm cylinder barrel (607), and the other end is connected with the driving arm (601) to drive the movement of the driving arm (601) and the driven arm (603).

8. A sleet and branch breaking device according to claim 6, wherein, The mechanical claw hand (606) comprises a claw hand (609), a movable connecting rod 1 (610), a movable connecting rod 2 (611), a fixed rod (612) and a pushing frame (613). One end of the fixed rod (612) is fixed to the lower end of the driven arm (603), the other end is connected with the movable connecting rod 1 (610), the other end of the movable connecting rod 1 (610) is connected with the movable connecting rod 2 (611), the movable connecting rod 2 (611) is connected with the claw hand (609) and the pushing frame (613), the other end of the pushing frame (613) is connected with the moving rod (604), and when the hydraulic cylinder (602) drives the pushing frame (613) to move back and forth, the mechanical claw hand (606) is opened and closed.

9. A method for clearing ice-damaged branches, based on the ice-damaged branch clearing device according to any one of claims 1 to 8, characterized in that The method comprises the following steps: S1: After the staff enters the operation room (401), the mobile mechanism (1) is controlled to travel along the street green belt by the control system. S2: When encountering a broken branch, stop at an appropriate position, and the staff operates the control vehicle body (4) to rotate to the appropriate direction, so that the grabbing mechanism (6) is opposite the front of the branch to be cleaned. S3: The staff operates the grabbing mechanism (6) to grab the branch, and after successful grabbing, the branch is sent into the feed inlet (501) of the broken branch crushing mechanism (5). S4: After the branch is released by the grabbing mechanism (6), it directly enters the crushing chamber (517) of the broken branch crushing mechanism (5) under the action of gravity and the feed inlet (501) chute guide. The feed inlet (501) is connected with the main machine box (509), and the vertical drop between the bottom plate lowest point and the cutter head (514) highest point is maintained at 90 mm, ensuring that the branch can continuously slide to the crushing working area without additional feeding mechanism. S5: The crushing device (502) is started, the motor (505) fixed to the carriage (403) drives the driving wheel (506) to rotate, which drives the belt pulley (508) and the main shaft (512) to rotate at high speed in the flange bearing seat (513), and the cutter head (514) connected with the main shaft (512) rotates synchronously, and the blade (515) installed on the outer edge of the cutter head (514) cuts and crushes the branch falling into the crushing chamber (517) instantly, completing the continuous crushing operation of the branch from the feed inlet (501) to the crushing mechanism (5). S6: The branch residue formed by high-speed cutting of the blade (515) falls to the 3mm screen (516) under the combined action of its gravity and the cutter head (514) airflow, wherein the qualified material with particle size ≤3mm can immediately pass through the screen into the discharge channel (503) and slide to the discharge outlet (504) along the discharge channel (503), while the unqualified residue with particle size >3mm is intercepted on the upper surface of the screen and is thrown again by the continuous rotation of the cutter head (514), and is subjected to cutting, impact and shearing action again when the blade (515) passes again, realizing secondary crushing without additional return mechanism. S7: After the qualified particle size residue passes through the 3mm screen (516), it falls into the discharge channel (503) sealed and welded with the bottom of the crushing chamber (517) under the action of gravity; the discharge channel (503) is an inclined tank body, the high end of which is flush with the bottom surface of the screen, and the low end is integrally communicated with the discharge outlet (504) at the rear end of the vehicle body (4), and the residue freely slides along the fixed slope to the discharge outlet (504); the staff operates the rotating mechanism (3) to drive the rotating platform (302) to rotate by the external gear (301), drives the rear end of the vehicle body (4) to face the green belt, and the discharge outlet (504) is aligned with the green belt, so that the residue can be directly discharged by inertia and gravity, and the directional distribution of the crushed residue is completed. S8: The wood with qualified particle size entering the discharge channel (503) can be used as organic fertilizer and scattered into the green belt through the discharge outlet (504) for recycling. S9: After the branch crushing is completed, the branch crushing mechanism (5) stops working and remains in standby state. The staff controls the rotating mechanism (3) to make the vehicle body (4) rotate to the forward direction and continue to work along the street.

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