Multifunctional adjustable tree pruning auxiliary lifting platform

Abstract

The invention discloses a multifunctional adjustable tree pruning auxiliary lifting platform, and relates to the technical field of garden machinery. The moving plates are arranged on the front sides of the fixed plates in a one-to-one correspondence mode. The two universal wheels on the front side are fixed to the left side and the right side of the lower surface of the moving plate on the lower side. The adjusting mechanisms are respectively arranged in the fixed plates and are connected with the movable plates; the lifting mechanism is arranged on the fixed plate and the movable plate on the lower side, and the lifting mechanism is connected with the fixed plate and the movable plate on the upper side; the baffles are fixed to the fixed plate on the upper side and the movable plate on the upper side respectively, a door plate is embedded in the center of the baffle on the front side, and the door plate is connected with the baffles through a limiting mechanism. The side plates are bilaterally symmetrically fixed on the front side wall of the baffle plate on the rear side, movable strips are equidistantly inserted on the side plates, and the front ends of the movable strips penetrate through the front side walls of the side plates and then are fixed on the rear side wall of the baffle plate on the front side; the width of the lifting platform can be adjusted according to the operation space, the height can be adjusted according to requirements, and the adaptability is improved.

Description

Technical Field

[0001] The invention relates to the technical field of garden machinery, and in particular to a multifunctional adjustable tree pruning auxiliary lifting platform. Background Art

[0002] Tree pruning is an important task in landscaping, orchard management and urban tree maintenance. Traditional pruning methods mainly rely on ladders, aerial work vehicles or manual climbing, but manual climbing or using ladders is prone to falling accidents, endangering the personal safety of workers, and traditional tools are difficult to adapt to pruning needs at different heights. Aerial work vehicles are large and difficult to use in narrow spaces. Summary of the invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the prior art and provide a multifunctional adjustable tree pruning auxiliary lifting platform with reasonable design and easy use. The width of the lifting platform can be adjusted according to the operating space, and the height can also be adjusted according to needs, thereby improving adaptability.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: it comprises a fixing plate and a universal wheel, the two fixing plates are symmetrically arranged up and down, the front and rear sides below the fixing plate on the lower side are symmetrically arranged with universal wheels, and the two universal wheels on the rear side are fixed on the lower surface of the fixing plate; it also comprises:

[0005] There are two movable plates, and they are arranged one by one on the front side of the fixed plate, and the two universal wheels on the front side are fixed on the left and right sides of the lower surface of the movable plate on the lower side;

[0006] Adjustment mechanism, there are two adjustment mechanisms, and they are respectively arranged in the fixed plate, and the adjustment mechanism is connected to the movable plate;

[0007] A lifting mechanism, wherein the lifting mechanism is arranged on the fixed plate and the movable plate at the lower side, and the lifting mechanism is connected to the fixed plate and the movable plate at the upper side;

[0008] baffles, the baffles are two and are respectively fixed on the upper fixed plate and the upper movable plate, a door panel is embedded in the center of the front baffle, and the door panel is connected to the baffle by a limiting mechanism;

[0009] Side panels, there are two side panels, and they are fixed on the front side wall of the rear baffle in a symmetrical manner. The side panels are equidistantly inserted with movable bars, and the front ends of the movable bars pass through the front side walls of the side panels and are fixed on the rear side walls of the front baffle;

[0010] Through the above technical solution, the door panel is opened, and the staff stands on the upper fixed plate, and then the door panel is limited to the front baffle by the limiting mechanism, so that the staff is shielded and protected on all sides by the baffle and the side panels, and then the distance between the fixed plate and the movable plate is adjusted by the adjusting mechanism according to the size of the space. When the upper movable plate drives the front baffle to move, the movable bar moves in the plug plate, thereby ensuring the safety of both sides of the fixed plate, and then the lifting mechanism is started according to the height of the tree to be pruned, and the lifting mechanism drives the upper fixed plate and the movable plate to move up and down until the upper fixed plate and the movable plate move to a suitable height to facilitate the pruning of the tree.

[0011] As a further improvement of the present invention, a fixing block is fixed symmetrically on the front side wall of the rear baffle, a plug rod is inserted inside the fixing block, the rear end of the plug rod is inserted in the rear baffle, and a resisting spring is sleeved on the plug rod, and the two ends of the resisting spring are respectively fixed on the inner wall of the front side of the fixing block and the convex ring at the rear end of the plug rod, and the front end of the plug rod passes through the fixing block and is fixed on both sides of the rear side wall of the tool rod;

[0012] With the above technical solution, after the tool rod is pulled forward, the required tool is placed on the tool rod, and then the tool rod is released, and the elastic force of the resisting spring drives the tool rod to move backward, thereby increasing the stability of the tool.

[0013] As a further improvement of the present invention, the adjustment mechanism comprises:

[0014] There are two adjustment plates, and they are respectively fixed on the rear side wall of the movable plate. The adjustment plates are inserted into the corresponding fixed plates. Several adjustment screws are screwed equidistantly in the lower adjustment plate through threads. After the rear end of the adjustment screw passes through the rear side wall of the adjustment plate, it is screwed on the rear side wall of the fixed plate through a bearing, and two adjacent adjustment screws are connected through a synchronous wheel transmission assembly.

[0015] An adjusting motor, wherein the adjusting motor is fixed on the lower surface of the fixing plate at the lower side, and the output shaft of the adjusting motor is connected to one end of one of the adjusting screws through a synchronous wheel transmission assembly;

[0016] Limit blocks, there are several limit blocks, which are equidistant and symmetrically fixed on the adjustment plate in pairs, and the limit blocks are slidably arranged in the slide grooves on the upper and lower inner walls of the fixed plate;

[0017] Through the above technical solution, the adjusting motor is started, and the adjusting motor drives the adjusting screw connected to it to rotate. The adjusting screw drives several other adjusting screws to rotate through the cooperation of the synchronous wheel transmission assembly. During the rotation, the adjusting screw drives the adjusting plate connected to it to move. The adjusting plate drives the movable plate on the lower side to move. The movable plate on the lower side drives the movable plate on the upper side to move through the lifting mechanism, so that the distance between the movable plate and the fixed plate can be adjusted.

[0018] As a further improvement of the present invention, a plurality of support plates are inserted into the adjustment plate, and the upper and lower side walls of the support plates are fixedly connected to the upper and lower inner walls of the fixed plate respectively; the stability of the fixed plate can be increased.

[0019] As a further improvement of the present invention, the outer side of the adjusting motor is provided with a protective cover, which is fixed to the lower surface of the lower fixing plate, and the rear side of the protective cover is provided on the synchronous wheel transmission assembly between the adjusting motor and the adjusting screw;

[0020] Through the above technical solution, the regulating motor can be shielded to prevent the weeds in the woods from affecting the regulating motor and the synchronous wheel transmission assembly.

[0021] As a further improvement of the present invention, the lifting mechanism comprises:

[0022] Lifting connecting rods, wherein there are several lifting connecting rods, and the lifting connecting rods are equal in number and are screwed in pairs through shaft rods, and are arranged between the upper and lower symmetrical fixed plates and the movable plates, and the other ends of the two screwed lifting connecting rods are respectively screwed on the adjacent movable plates and the fixed plates through shaft seats;

[0023] Connecting rods, there are two connecting rods, and they are respectively arranged on one side between the upper and lower symmetrical fixed plate and the movable plate, and the two ends of the connecting rod are respectively movably sleeved on the shaft rods on the two adjacent lifting connecting rods on one side;

[0024] Driving gear racks, there are two driving gear racks, and both are arranged in a "Z" shape, and the horizontal plate on the lower side of the driving rack is slidably arranged in the sliding grooves on the upper surfaces of the fixed plate on the lower side and the movable plate through a slider;

[0025] Linkage gears, there are four linkage gears, which are respectively sleeved and fixed on the shafts at the lower ends of the two adjacent lifting links on the other side, and the linkage gears are meshed with the teeth on the driving gear rack;

[0026] A driving mechanism, the driving mechanism is arranged on one side of the lower fixing plate, and the driving mechanism is connected to two driving gear racks;

[0027] Through the above technical solution, the driving mechanism drives the driving gear rack to move, the driving gear rack drives the linkage gear to rotate, the linkage gear drives the lifting link connected to it to rotate, and the middle end of the lifting link on the middle side drives the lifting link on the other side to rotate synchronously through the connecting rod. During the rotation of the lifting link, the fixed plate and the movable plate on the upper side are driven to move.

[0028] As a further improvement of the present invention, the driving mechanism comprises:

[0029] A driving plate, wherein the driving plate is arranged on the upper side of the fixed plate, the rear side wall of the driving plate is fixedly connected to the vertical plate of the driving gear rack on the rear side, and a connecting strip is symmetrically inserted and movably provided in the front side of the driving plate, and the front end of the connecting strip passes through the front side wall of the driving plate and is fixedly connected to the vertical plate of the driving gear rack on the front side;

[0030] A driving screw rod, wherein the driving screw rod is screwed to the middle side of the driving plate through a thread, and the other end of the driving screw rod is connected to a driving motor, and the driving motor is fixed to the upper surface of the fixing plate;

[0031] Through the above technical solution, the driving motor is started, the driving motor drives the driving screw to rotate, the driving screw drives the driving plate to move, and the driving plate drives the driving gear rack connected to it to move. At the same time, the driving plate drives the front driving gear rack to move through the connecting strip, and the connecting strip can move inside the driving plate, thereby not affecting the adjustment between the fixed plate and the movable plate.

[0032] As a further improvement of the present invention, the limiting mechanism comprises:

[0033] There are two movable plug blocks, which are fixed symmetrically on the upper sides of the left and right side walls of the door panel, and the movable plug blocks are inserted into the slots on the left and right inner walls of the baffle;

[0034] There are two limit gear rods, which are symmetrically arranged on both sides of the upper inner part of the door panel. The outer ends of the limit gear rods pass through the corresponding movable plug blocks on the two side walls of the door panel in turn, and are inserted into the slots on the two inner walls of the baffle;

[0035] Driving gears, there are two driving gears, which are symmetrically connected to the door panel through a shaft, and the driving gears are meshed with the limit gear rod, and the driving gear is meshed with the driving gear rod on the side adjacent to the center of the door panel;

[0036] A push plate, wherein the push plate is movably inserted in the upper side wall of the door plate, the two sides of the lower surface of the push plate are fixedly connected to the upper ends of the two driving gear rods, and a plurality of push springs are equidistantly fixed at the center of the lower surface of the push plate, and the front end of the push spring is fixed to the lower inner wall of the door plate;

[0037] Through the above technical solution, when disassembling the door panel, press the push plate downward, the push plate drives the driving gear rod to move downward, the driving gear rod drives the driving gear to rotate, and the driving gear drives the limiting gear rod to move toward the inside of the movable plug block, thereby loosening the connection between the movable plug block and the baffle, and then pull the door panel upward, so as to facilitate the travel of the staff.

[0038] As a further improvement of the present invention, an insert strip is fixed on the lower surface of the door panel, and the insert strip is movably inserted into a slot on the inner bottom wall of the baffle plate; thus, the stability of the connection between the door panel and the baffle plate can be increased.

[0039] Compared with the prior art, the present invention has the following beneficial effects:

[0040] 1. The distance between the fixed plate and the movable plate can be adjusted through the adjustment mechanism according to the width of the working space to meet the use requirements;

[0041] 2. The upper and lower symmetrical fixed plates and the upper and lower symmetrical movable plates are connected by a lifting mechanism. When in use, they can be adjusted accordingly according to the height of the required pruning branches, which improves adaptability;

[0042] 3. A door panel is embedded in the center of the front baffle, and the door panel can be connected to the baffle through a limiting mechanism, which is convenient for workers to climb up and down;

[0043] 4. A tool rod is set on the rear baffle to limit the tools needed for pruning, making them easy to take and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 It is a structural schematic diagram of the present invention.

[0045] Figure 2 It is an exploded view of the adjustment mechanism in the present invention.

[0046] Figure 3 for Figure 2 Enlarged view of part A in the middle.

[0047] Figure 4 It is a structural schematic diagram of the lifting mechanism in the present invention.

[0048] Figure 5 for Figure 4 Enlarged view of part B in the middle.

[0049] Figure 6 It is an exploded view of the limiting mechanism in the present invention.

[0050] Figure 7 It is an exploded view of the tool rod, the fixing block, the insert rod and the interference spring in the present invention.

[0051] Figure 8 for Figure 7 Enlarged view of part C in the middle.

[0052] Description of reference numerals:

[0053] Fixed plate 1, universal wheel 2, movable plate 3, adjusting mechanism 4, adjusting plate 4-1, adjusting screw 4-2, adjusting motor 4-3, limiting block 4-4, lifting mechanism 5, lifting connecting rod 5-1, connecting rod 5-2, driving gear rack 5-3, linkage gear 5-4, driving mechanism 5-5, driving plate 5-5-1, connecting strip 5-5-2, driving screw 5-5-3, driving motor 5-5-4, baffle 6, door panel 7, limiting mechanism 8, movable plug block 8-1, limiting gear rod 8-2, driving gear 8-3, driving gear rod 8-4, pushing plate 8-5, pushing spring 8-6, side plate 9, movable bar 10, fixed block 11, plug rod 12, resistance spring 13, tool rod 14, support plate 15, protective cover 16, plug strip 17. DETAILED DESCRIPTION

[0054] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0055] Embodiment 1:

[0056] like Figure 1-Figure 8 As shown, this embodiment includes a fixing plate 1 and a universal wheel 2, the two fixing plates 1 are symmetrically arranged up and down, the front and rear sides below the lower fixing plate 1 are symmetrically arranged with universal wheels 2, and the two universal wheels 2 at the rear are fixed to the lower surface of the fixing plate 1 by bolts; it also includes:

[0057] The movable plates 3 are two in number and are arranged one by one on the front side of the fixed plate 1, and the two universal wheels 2 on the front side are fixed to the left and right sides of the lower surface of the movable plate 3 on the lower side by bolts;

[0058] The adjusting mechanism 4 is two and each of them is disposed in the fixed plate 1 and connected to the movable plate 3;

[0059] A lifting mechanism 5, wherein the lifting mechanism 5 is disposed on the lower fixed plate 1 and the movable plate 3, and the lifting mechanism 5 is connected to the upper fixed plate 1 and the movable plate 3;

[0060] Baffle 6, there are two baffles 6, and they are respectively welded and fixed on the upper fixed plate 1 and the upper movable plate 3. A door panel 7 is embedded in the center of the front baffle 6, and the door panel 7 is connected to the baffle 6 through a limiting mechanism 8; a fixed block 11 is welded and fixed on the front side wall of the rear baffle 6 symmetrically, and a plug rod 12 is inserted inside the fixed block 11. The rear end of the plug rod 12 is inserted in the baffle 6 on the rear side, and a resistance spring 13 is sleeved on the plug rod 12. The two ends of the resistance spring 13 are respectively welded and fixed to the inner wall of the front side of the fixed block 11 and the convex circle at the rear end of the plug rod 12. After the front end of the plug rod 12 passes through the fixed block 11, it is fixed to both sides of the rear side wall of the tool rod 14. After the tool rod 14 is pulled to the front side, the tool to be used is placed on the tool rod 14, and then the tool rod 14 is released. The elastic force of the resistance spring 13 drives the tool rod 14 to move to the rear side, thereby increasing the stability of the tool;

[0061] An insert strip 17 is fixed on the lower surface of the door panel 7, and the insert strip 17 is movably inserted into a slot on the inner bottom wall of the baffle 6, which can increase the stability of the connection between the door panel 7 and the baffle 6;

[0062] There are two side panels 9, which are symmetrically fixed on the front side wall of the rear baffle 6. Movable bars 10 are equidistantly inserted on the side panels 9. The front end of the movable bar 10 passes through the front side wall of the side panel 9 and is fixed on the rear side wall of the front baffle 6.

[0063] Embodiment 2:

[0064] See also Figure 1-3 As shown, based on Example 1, the adjustment mechanism 4 includes:

[0065] Adjustment plates 4-1, there are two adjustment plates 4-1, and they are respectively welded and fixed on the rear side wall of the movable plate 3, the adjustment plates 4-1 are inserted in the corresponding fixed plate 1, and a plurality of adjustment screws 4-2 are screwed equidistantly in the lower adjustment plate 4-1 through threads, and the rear end of the adjustment screw 4-2 passes through the rear side wall of the adjustment plate 4-1 and is screwed on the rear side wall of the fixed plate 1 through a bearing, and two adjacent adjustment screws 4-2 are connected through a synchronous wheel transmission assembly; a plurality of support plates 15 are inserted in the adjustment plate 4-1, and the upper and lower side walls of the support plate 15 are respectively welded and fixed to the upper and lower inner walls of the fixed plate 1, which can increase the stability of the fixed plate 1;

[0066] The adjusting motor 4-3 is fixed to the lower surface of the lower fixing plate 1 by bolts, and the output shaft of the adjusting motor 4-3 is connected to the rear end of the adjusting screw 4-2 on the left side through the synchronous wheel transmission assembly; the outer side of the adjusting motor 4-3 is sleeved with a protective cover 16, which is fixed to the lower surface of the lower fixing plate 1 by bolts, and the rear side of the protective cover 16 is sleeved on the synchronous wheel transmission assembly between the adjusting motor 4-3 and the adjusting screw 4-2, which can shield the adjusting motor 4-3 and prevent the weeds in the woods from affecting the adjusting motor 4-3 and the synchronous wheel transmission assembly;

[0067] The limit blocks 4-4 are several in number, which are equidistant and symmetrically welded to the adjustment plate 4-1 in pairs, and the limit blocks 4-4 are slidably arranged in the slide grooves on the upper and lower inner walls of the fixed plate 1.

[0068] Embodiment 3:

[0069] See also Figure 1 , Figure 4-5 As shown, based on Example 1, the lifting mechanism 5 includes:

[0070] Lifting connecting rods 5-1, wherein there are several lifting connecting rods 5-1, and the lifting connecting rods 5-1 are equal in number and are screwed in pairs through shafts, and are arranged between the fixed plate 1 and the movable plate 3 which are symmetrical in the upper and lower directions, and the other ends of the two screwed lifting connecting rods 5-1 are screwed on the adjacent movable plate 3 and the fixed plate 1 through shaft seats respectively;

[0071] Connecting rods 5-2, there are two connecting rods 5-2, and they are respectively arranged on one side between the upper and lower symmetrical fixed plate 1 and the movable plate 3, and the two ends of the connecting rods 5-2 are respectively movably sleeved on the shafts of the two adjacent lifting connecting rods 5-1 on one side;

[0072] Driving gear rack 5-3, there are two driving gear racks 5-3, and both are arranged in a "Z" shape, and the horizontal plate on the lower side of the driving rack is slidably arranged in the sliding groove on the upper surface of the fixed plate 1 on the lower side and the movable plate 3 through a slider;

[0073] Linkage gears 5-4, there are four linkage gears 5-4, and they are respectively sleeved and welded on the shafts at the lower ends of the two adjacent lifting links 5-1 on the left side, and the linkage gears 5-4 are meshed with the teeth on the driving gear rack 5-3;

[0074] The driving mechanism 5-5 is arranged on the right side of the lower fixed plate 1, and the driving mechanism 5-5 is connected to the two driving gear racks 5-3; the driving mechanism 5-5 includes:

[0075] The driving plate 5-5-1 is arranged on the upper side of the fixed plate 1, the rear side wall of the driving plate 5-5-1 is welded and fixed to the vertical plate of the driving gear rack 5-3 on the rear side, and a connecting strip 5-5-2 is symmetrically inserted in the front side of the driving plate 5-5-1, and the front end of the connecting strip 5-5-2 passes through the front side wall of the driving plate 5-5-1 and is welded and fixed to the vertical plate of the driving gear rack 5-3 on the front side;

[0076] The driving screw 5-5-3 is screwed to the middle side of the driving plate 5-5-1 through a thread, and the right end of the driving screw 5-5-3 is connected to a driving motor 5-5-4, which is fixed to the upper surface of the fixing plate 1 by bolts.

[0077] Embodiment 4:

[0078] See also Figure 1 , Figure 6 As shown, based on Example 1, the limiting mechanism 8 includes:

[0079] The movable plug-in block 8-1 is two in number and is symmetrically welded and fixed to the upper sides of the left and right side walls of the door panel 7. The movable plug-in block 8-1 is inserted into the slots on the left and right inner walls of the baffle 6;

[0080] The limiting gear rods 8-2 are two and are symmetrically arranged on both sides of the upper part of the door panel 7. The outer ends of the limiting gear rods 8-2 pass through the corresponding movable plug blocks 8-1 on the two side walls of the door panel 7 in sequence and are inserted into the slots on the two inner walls of the baffle 6;

[0081] Driving gear 8-3, there are two driving gears 8-3, and they are symmetrically connected to the door panel 7 through the shaft, the driving gear 8-3 is meshed with the limit gear rod 8-2, and the driving gear 8-3 is meshed with the driving gear rod 8-4 on the side adjacent to the center of the door panel 7;

[0082] The push plate 8-5 is movably inserted in the upper side wall of the door panel 7, and the two sides of the lower surface of the push plate 8-5 are welded and fixed to the upper ends of the two driving gear rods 8-4. A number of push springs 8-6 are welded and fixed at equal distances in the center of the lower surface of the push plate 8-5, and the front end of the push spring 8-6 is welded and fixed to the lower inner wall of the door panel 7.

[0083] When using the present invention, when disassembling the door panel 7, the push plate 8-5 is pressed downward, and the push plate 8-5 drives the driving gear rod 8-4 to move downward, and the driving gear rod 8-4 drives the driving gear 8-3 to rotate, and the driving gear 8-3 drives the limiting gear rod 8-2 to move toward the inside of the movable plug block 8-1, thereby loosening the connection between the movable plug block 8-1 and the baffle 6, and then the door panel 7 is pulled upward, so that it is convenient for the staff to travel. The staff stands on the upper fixed plate 1, and then limits the door panel 7 to the baffle 6 on the front side through the limiting mechanism 8, so that the baffle 6 and side panels 9 provide shielding and protection for the staff around them, and then according to the size of the space, start the adjusting motor 4-3, the adjusting motor 4-3 drives the adjusting screw 4-2 connected thereto to rotate, the adjusting screw 4-2 drives several other adjusting screws 4-2 to rotate through the cooperation of the synchronous wheel transmission assembly, and the adjusting screw 4-2 drives the adjusting plate 4-1 connected thereto to move during the rotation process, and the adjusting plate 4-1 drives the lower movable plate 3 to move, and the lower movable plate 3 drives the upper movable plate 3 to move through the lifting mechanism 5, so that the movable plate 3 and the fixed plate 3 can be adjusted. When the upper movable plate 3 drives the front baffle 6 to move, the movable bar 10 moves in the plug plate, thereby ensuring the safety of both sides of the fixed plate 1, and then according to the height of the tree to be pruned, the driving motor 5-5-4 is started, the driving motor 5-5-4 drives the driving screw 5-5-3 to rotate, the driving screw 5-5-3 drives the driving plate 5-5-1 to move, the driving plate 5-5-1 drives the driving rack 5-3 connected thereto to move, and at the same time, the driving plate 5-5-1 drives the front driving rack 5-3 to move through the connecting strip 5-5-2. The connecting strip 5-5-2 can move in the driving plate 5-5-1, so as not to affect the adjustment between the fixed plate 1 and the movable plate 3. The driving gear rack 5-3 drives the linkage gear 5-4 to rotate, and the linkage gear 5-4 drives the lifting link 5-1 connected thereto to rotate. The middle end of the lifting link 5-1 on the middle side drives the lifting link 5-1 on the other side to rotate synchronously through the connecting rod 5-2. During the rotation of the lifting link 5-1, the upper fixed plate 1 and the movable plate 3 are driven to move until the upper fixed plate 1 and the movable plate 3 move to a suitable height to facilitate tree pruning.

[0084] Compared with the prior art, the beneficial effects of this specific implementation are as follows:

[0085] 1. The distance between the fixed plate 1 and the movable plate 3 can be adjusted by the adjustment mechanism 4 according to the width of the working space to meet the use requirements;

[0086] 2. The vertically symmetrical fixed plate 1 and the vertically symmetrical movable plate 3 are connected by a lifting mechanism 5, so that they can be adjusted accordingly according to the height of the required pruning branches, thereby improving adaptability;

[0087] 3. A door panel 7 is embedded in the center of the front baffle 6, and the door panel 7 can be connected to the baffle 6 through a limiting mechanism 8, so that the staff can climb up and down easily;

[0088] 4. A tool bar 14 is provided on the rear baffle 6 to limit the position of the tools required for pruning, making them easy to take and use.

[0089] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multifunctional adjustable tree pruning auxiliary lifting platform, comprising a fixed plate (1) and universal wheels (2), wherein the two fixed plates (1) are symmetrically arranged in an upper and lower manner, and universal wheels (2) are symmetrically arranged on both the front and rear sides below the lower fixed plate (1), and the two universal wheels (2) on the rear side are fixed on the lower surface of the fixed plate (1); characterized in that: It also contains: A movable plate (3), wherein the movable plates (3) are two in number and are arranged one by one on the front side of the fixed plate (1), and the two universal wheels (2) on the front side are fixed on the left and right sides of the lower surface of the movable plate (3) on the lower side; An adjusting mechanism (4), wherein the adjusting mechanism (4) is two and each of the adjusting mechanisms (4) is disposed in the fixed plate (1), and the adjusting mechanism (4) is connected to the movable plate (3); A lifting mechanism (5), wherein the lifting mechanism (5) is arranged on the lower fixed plate (1) and the movable plate (3), and the lifting mechanism (5) is connected to the upper fixed plate (1) and the movable plate (3); baffles (6), the baffles (6) being two in number and respectively fixed on the upper fixed plate (1) and the upper movable plate (3); a door plate (7) being embedded in the center of the front baffle (6), and the door plate (7) being connected to the baffle (6) via a limiting mechanism (8); Side panels (9), the side panels (9) are two in number and are symmetrically fixed on the front side wall of the rear baffle (6), and movable bars (10) are inserted at equal intervals on the side panels (9), and the front end of the movable bars (10) passes through the front side wall of the side panels (9) and is fixed on the rear side wall of the front baffle (6).

2. The multifunctional adjustable tree pruning auxiliary lifting platform according to claim 1, characterized in that: A fixing block (11) is fixed symmetrically on the front side wall of the rear baffle (6), an insertion rod (12) is inserted inside the fixing block (11), the rear end of the insertion rod (12) is inserted in the rear baffle (6), and a resistance spring (13) is sleeved on the insertion rod (12), and the two ends of the resistance spring (13) are respectively fixed to the inner wall of the front side of the fixing block (11) and the convex ring at the rear end of the insertion rod (12), and the front end of the insertion rod (12) passes through the fixing block (11) and is fixed to both sides of the rear side wall of the tool rod (14).

3. The multifunctional adjustable tree pruning auxiliary lifting platform according to claim 1, characterized in that: The regulating mechanism (4) comprises: The adjusting plates (4-1) are two and are respectively fixed on the rear side wall of the movable plate (3). The adjusting plates (4-1) are inserted into the corresponding fixed plate (1). A plurality of adjusting screws (4-2) are screwed equidistantly in the lower adjusting plate (4-1) through threads. The rear end of the adjusting screw (4-2) passes through the rear side wall of the adjusting plate (4-1) and is screwed on the rear side wall of the fixed plate (1) through a bearing. Two adjacent adjusting screws (4-2) are connected through a synchronous wheel transmission assembly. An adjusting motor (4-3), wherein the adjusting motor (4-3) is fixed on the lower surface of the fixing plate (1) at the lower side, and an output shaft of the adjusting motor (4-3) is connected to one end of one of the adjusting screws (4-2) via a synchronous wheel transmission assembly; The limit blocks (4-4) are multiple and are fixed on the adjustment plate (4-1) at equal distances and symmetrically in pairs. The limit blocks (4-4) are slidably arranged in the slide grooves on the upper and lower inner walls of the fixed plate (1).

4. The multifunctional adjustable tree pruning auxiliary lifting platform according to claim 3, characterized in that: A plurality of support plates (15) are inserted into the adjustment plate (4-1), and upper and lower side walls of the support plates (15) are respectively fixedly connected to upper and lower inner walls of the fixed plate (1).

5. The multifunctional adjustable tree pruning auxiliary lifting platform according to claim 3, characterized in that: The outer side of the adjusting motor (4-3) is provided with a protective cover (16), which is fixed on the lower surface of the lower fixing plate (1), and the rear side of the protective cover (16) is sleeved on the synchronous wheel transmission assembly between the adjusting motor (4-3) and the adjusting screw (4-2).

6. The multifunctional adjustable tree pruning auxiliary lifting platform according to claim 1, characterized in that: The lifting mechanism (5) comprises: Lifting connecting rods (5-1), wherein the lifting connecting rods (5-1) are multiple and are equal in number and are screwed in pairs through shafts, and are arranged between a fixed plate (1) and a movable plate (3) that are symmetrical in the upper and lower directions, and the other ends of the two screwed lifting connecting rods (5-1) are respectively screwed on the adjacent movable plate (3) and the fixed plate (1) through shaft seats; Connecting rods (5-2), there are two connecting rods (5-2), which are respectively arranged on one side between the upper and lower symmetrical fixed plate (1) and the movable plate (3), and the two ends of the connecting rod (5-2) are respectively movably sleeved on the shafts on the two adjacent lifting connecting rods (5-1) on one side; A driving gear rack (5-3), wherein the driving gear racks (5-3) are two in number and are both arranged in a "Z" shape, and the horizontal plate at the lower side of the driving rack is slidably arranged in the sliding grooves on the upper surfaces of the fixed plate (1) at the lower side and the movable plate (3) through a slider; Linkage gears (5-4), there are four linkage gears (5-4), which are respectively sleeved and fixed on the shafts at the lower ends of two adjacent lifting links (5-1) on the other side, and the linkage gears (5-4) are meshed with the teeth on the driving gear rack (5-3); A driving mechanism (5-5) is arranged on one side of the lower fixing plate (1), and the driving mechanism (5-5) is connected to two driving gear racks (5-3).

7. The multifunctional adjustable tree pruning auxiliary lifting platform according to claim 6, characterized in that: The driving mechanism (5-5) comprises: A driving plate (5-5-1), wherein the driving plate (5-5-1) is arranged on the upper side of the fixed plate (1), the rear side wall of the driving plate (5-5-1) is fixedly connected to the vertical plate of the driving gear rack (5-3) on the rear side, and a connecting strip (5-5-2) is symmetrically inserted and movably provided in the front side of the driving plate (5-5-1) in the upper and lower sides, and the front end of the connecting strip (5-5-2) passes through the front side wall of the driving plate (5-5-1) and is fixedly connected to the vertical plate of the driving gear rack (5-3) on the front side; A driving screw rod (5-5-3) is screwed to the middle side of the driving plate (5-5-1) through a thread, and a driving motor (5-5-4) is connected to the other end of the driving screw rod (5-5-3), and the driving motor (5-5-4) is fixed on the upper surface of the fixing plate (1).

8. The multifunctional adjustable tree pruning auxiliary lifting platform according to claim 1, characterized in that: The limiting mechanism (8) comprises: Movable plug blocks (8-1), the number of the movable plug blocks (8-1) being two and being symmetrically fixed on the upper sides of the left and right side walls of the door panel (7), and the movable plug blocks (8-1) being inserted into slots on the left and right inner walls of the baffle (6); The limiting gear rods (8-2) are two and are symmetrically arranged on both sides of the upper part of the door panel (7). The outer ends of the limiting gear rods (8-2) pass through the corresponding movable plug blocks (8-1) on the two side walls of the door panel (7) in turn, and are inserted into the slots on the two inner walls of the baffle (6); The driving gear (8-3) is two in number and is symmetrically connected to the door panel (7) by a shaft, the driving gear (8-3) is meshed with the limit gear rod (8-2), and the driving gear (8-3) is meshed with the driving gear rod (8-4) on one side adjacent to the center of the door panel (7); A push plate (8-5) is movably inserted into the upper side wall of the door panel (7), the two sides of the lower surface of the push plate (8-5) are fixedly connected to the upper ends of the two driving gear rods (8-4), and a plurality of push springs (8-6) are equidistantly fixed at the center of the lower surface of the push plate (8-5), and the front end of the push spring (8-6) is fixed to the lower inner wall of the door panel (7).

9. The multifunctional adjustable tree pruning auxiliary lifting platform according to claim 1, characterized in that: An inserting strip (17) is fixed on the lower surface of the door panel (7), and the inserting strip (17) is movably inserted into a slot on the inner bottom wall of the baffle (6).

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