Branch drawing device for forestry engineering

Abstract

The invention provides a branch pulling device for forestry engineering, and relates to the field of branch pulling devices. First adjusting assemblies are fixedly arranged on the outer sides of the clamping plates, and telescopic structures are fixedly arranged on the outer sides of the first adjusting assemblies. A second adjusting assembly is fixedly arranged on the outer side of the telescopic structure, and a branch pulling structure is fixedly arranged on the outer side of the second adjusting assembly. An auxiliary structure is arranged between the two sets of clamping plates, and a pressure applying mechanism is further arranged between the two sets of clamping plates. Through a pressure applying mechanism, an auxiliary structure, a first adjusting assembly and a second adjusting assembly, the fixing strength can be controlled, and damage to the tree trunk caused by a clamping plate can be prevented; multi-dimensional adjustment can be carried out according to the specific positions of branches and the angles needing to be fixed, the applicability of the branch pulling device is enhanced, and the problem that the fixing force is too large possibly due to the fact that the fixing force is inconvenient to control is solved; and the trunk is damaged to a certain degree.

Description

Technical Field

[0001] The invention relates to the technical field of branch pullers, and in particular to a branch puller device for forestry engineering. Background Art

[0002] A forestry engineering branch puller is a tool used for pruning and shaping fruit trees. It is mainly used to adjust the growth direction and angle of fruit tree branches to achieve an ideal tree structure. The branch puller fixes and pulls the branches so that they grow in the expected direction, thereby improving the ventilation and lighting conditions of the fruit trees, promoting their healthy growth and increasing yields.

[0003] An existing branch puller is usually fixed on a tree trunk at one end and used to fix branches at the other end to ensure the growth direction of the branches. However, when the current branch puller is fixed on a tree trunk, it is not convenient to control the fixing force, and the fixing force may be too large, resulting in a certain degree of damage to the tree trunk. In addition, when using the existing branch puller, it is not convenient to adjust according to the specific position of the branch and the angle that needs to be fixed, which reduces the applicability of the branch puller. Summary of the invention

[0004] In view of this, the present invention provides a branch puller device for forestry engineering, which has a pressure mechanism and an auxiliary structure as well as a first adjustment component and a second adjustment component, which can control the fixing force, which is beneficial to prevent the splint from causing damage to the tree trunk; and can perform multi-dimensional adjustments according to the specific position of the branch and the angle that needs to be fixed, thereby enhancing the applicability of the branch puller.

[0005] The present invention provides a branch pulling device for forestry engineering, specifically comprising: a clamping plate; the clamping plates are symmetrically arranged in two groups, and protective soft pads are fixedly arranged on the inner sides of the two groups of clamping plates, and strip grooves are opened inside the two sides of the two groups of clamping plates; a fixing block is fixedly arranged on the outer side of one group of clamping plates, and the fixing blocks are arranged in a straight line, and the fixing blocks are located at the top and bottom of the strip groove; a locking screw is movably arranged inside the strip groove, and the locking screw is located between the two groups of clamping plates; a stopper is fixedly arranged at one end of the locking screw, and a positioning block is fixedly arranged on the inner side of the stopper; the positioning blocks are arranged in a straight line, and the straight line positioning blocks are meshed with the straight line fixed blocks;

[0006] A first adjustment component is fixedly arranged on the outer side of the splint, and a telescopic structure is fixedly arranged on the outer side of the first adjustment component; a second adjustment component is fixedly arranged on the outer side of the telescopic structure, and a pulling structure is fixedly arranged on the outer side of the second adjustment component; an auxiliary structure is arranged between the two groups of splints, and a pressure mechanism is also arranged between the two groups of splints; the auxiliary structure includes: an auxiliary frame, a control module and a buzzer; the auxiliary frame is fixedly arranged on the inner side of one group of splints, and the auxiliary frame is slidably arranged inside the other group of splints; the control module is fixedly arranged on the outer side of the auxiliary frame; the buzzer is fixedly arranged on the outer side of the auxiliary frame, and the buzzer and the control module are arranged to be electrically connected.

[0007] In at least some embodiments, a threaded barrel is provided on the outer side of the locking screw through a threaded connection, and the number of locking screws and threaded barrels is set to two groups; a knob is fixedly provided on the end of the threaded barrel, and the outer side of the threaded barrel is in contact with the outer side of the splint.

[0008] In at least some embodiments, the first adjustment component includes: an adjustment seat A, an adjustment shaft A, a worm wheel A, a worm A and a connecting seat A; the adjustment seat A is fixedly arranged on the outside of a set of splints; the adjustment shaft A is rotatably arranged inside the adjustment seat A; the worm wheel A is fixedly arranged at the end of the adjustment shaft A; the worm A is rotatably arranged on the outside of the adjustment seat A, and the worm A is meshed with the worm wheel A; the connecting seat A is fixedly arranged on the outside of the adjustment shaft A.

[0009] In at least some embodiments, the first adjustment component also includes: a connecting seat A, an adjustment shaft B, a worm wheel B, a worm B and a connecting seat B; the connecting seat A is fixedly arranged on the outside of the connecting seat A; the adjustment shaft B is rotatably arranged inside the connecting seat A; the worm wheel B is fixedly arranged at the end of the adjustment shaft B; the worm B is rotatably arranged on the outside of the connecting seat A, and the worm B is meshed with the worm wheel B; the connecting seat B is fixedly arranged on the outside of the adjustment shaft B.

[0010] In at least some embodiments, the telescopic structure includes: a fixed cylinder, a telescopic column, a rotating screw and a driving shaft; the fixed cylinder is fixedly arranged on the outside of the connecting seat B; the telescopic column is slidably arranged inside the fixed cylinder; the rotating screw is rotatably arranged inside the fixed cylinder, and the rotating screw is arranged inside the telescopic column through a threaded connection, and a bevel gear A is fixedly arranged on the top of the rotating screw; the driving shaft is rotatably arranged inside the fixed cylinder, and a knob is fixedly arranged at one end of the driving shaft; a bevel gear B is fixedly arranged at the other end of the driving shaft, and the bevel gear B is meshed with the bevel gear A.

[0011] In at least some embodiments, the second adjustment component includes: an adjustment seat B, an adjustment shaft C, a worm wheel C, a worm C and a connecting seat C; the adjustment seat B is fixedly arranged at the end of the telescopic column; the adjustment shaft C is rotatably arranged inside the adjustment seat B; the worm wheel C is fixedly arranged at the end of the adjustment shaft C; the worm C is rotatably arranged on the outside of the adjustment seat B, and the worm C is meshed with the worm wheel C; the connecting seat C is fixedly arranged on the outside of the adjustment shaft C.

[0012] In at least some embodiments, the branch pulling structure includes: a branch pulling frame, a double-headed screw, a clamping plate and a protective pad; the branch pulling frame is fixedly arranged on the outside of the connecting seat C; the double-headed screw is rotatably arranged inside the branch pulling frame, and a knob is fixedly arranged on the top of the double-headed screw; the clamping plate is arranged on the outside of the double-headed screw through a threaded connection, and the clamping plate is slidably arranged on the inside of the branch pulling frame through a dovetail groove; the end of the clamping plate is arranged as an arc structure, and the clamping plate is symmetrically arranged in two groups; the protective pad is fixedly arranged on the inside of the clamping plate.

[0013] In at least some embodiments, the auxiliary structure also includes: a sliding seat, a pressure sensor and a connecting plate; the sliding seat is slidably arranged inside the auxiliary frame; the pressure sensor is fixedly arranged inside the sliding seat, and the pressure sensor and the control module are electrically connected; the connecting plate is fixedly arranged on the outside of the sliding seat, and the connecting plate is symmetrically arranged in two groups.

[0014] In at least some embodiments, the pressure mechanism includes: a pressure plate, a pressure seat, a cylinder, a pressure column and a circular plate; the pressure plate is rotatably arranged on the outside of the end of the clamping plate, and the pressure plates are symmetrically arranged in two groups; the pressure seat is rotatably arranged between the two groups of pressure plates; the cylinder is fixedly arranged on the outside of the pressure seat; the pressure column is slidably arranged inside the cylinder, and the end of the pressure column is in contact with the outside of the pressure sensor; the circular plate is fixedly arranged on the end of the pressure column, and the circular plate is slidably arranged inside the cylinder, and a spring member is arranged between the circular plate and the inside of the cylinder.

[0015] Beneficial Effects

[0016] 1. The present invention is provided with a pressure plate and a pressure seat. When the two groups of clamps move inward to clamp the tree trunk, the two groups of pressure plates move in the opposite direction, so that the pressure seat drives the cylinder to move outward, thereby reducing the squeezing force of the pressure column on the pressure sensor. When the pressure value of the pressure sensor is reduced to a predetermined value, the control module can control the buzzer to send a warning signal. Therefore, the fixing force can be conveniently controlled to prevent the clamps from damaging the tree trunk due to excessive fixing force.

[0017] 2. The present invention, by providing a first adjustment component and a second adjustment component, can perform multi-dimensional adjustments on the branch pulling structure; and by utilizing a driving shaft and a rotating screw rod, the telescopic column can drive the branch pulling structure to adjust its position; and thus, multi-dimensional adjustments can be performed according to the specific position of the branch and the angle that needs to be fixed, which is beneficial for fixing the branch at any angle for growth; and the applicability of the branch puller is enhanced.

[0018] 3. The present invention, by providing a double-headed screw, can make the two groups of clamping plates move in opposite directions at the same time; thus, the branches can be clamped and fixed according to the specific size of the branches, which is beneficial to control branches of different sizes; and the use of protective pads can prevent the clamping plates from causing damage to the branches; by providing a locking screw and a threaded barrel as well as a block and a positioning block, the two groups of clamping plates can be quickly fixed to the outside of the trunk, thereby enhancing the convenience of the branch puller. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0020] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture:

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0023] Figure 2 It is a structural schematic diagram of the clamping plate and the first adjustment component of the present invention.

[0024] Figure 3 It is a structural schematic diagram of the locking screw of the present invention.

[0025] Figure 4 It is a schematic diagram of the connection structure between the auxiliary structure and the pressure-applying mechanism of the present invention.

[0026] Figure 5 It is a structural schematic diagram of the auxiliary structure of the present invention.

[0027] Figure 6 It is a schematic cross-sectional structural diagram of a cylinder of the present invention.

[0028] Figure 7 It is a schematic diagram of the connection structure between the first adjustment component and the telescopic structure of the present invention.

[0029] Figure 8 It is a schematic cross-sectional structural diagram of the fixing tube of the present invention.

[0030] Fig. 9 It is a structural schematic diagram of the pull-branch structure of the present invention.

[0031] Reference numerals list

[0032] 1. Clamp; 101. Protective cushion; 102. Strip groove; 103. Fixing block; 104. Locking screw; 105. Threaded cylinder; 106. Stopper; 107. Positioning block;

[0033] 2. First adjustment component; 201. Adjustment seat A; 202. Adjustment shaft A; 203. Worm wheel A; 204. Worm A; 205. Connecting seat A; 206. Connecting seat A; 207. Adjustment shaft B; 208. Worm wheel B; 209. Worm B; 2010. Connecting seat B;

[0034] 3. Telescopic structure; 301. Fixed cylinder; 302. Telescopic column; 303. Rotating screw rod; 304. Driving shaft;

[0035] 4. Second adjustment assembly; 401. Adjustment seat B; 402. Adjustment shaft C; 403. Worm wheel C; 404. Worm C; 405. Connecting seat C;

[0036] 5. Branch pulling structure; 501. Branch pulling frame; 502. Double-headed screw; 503. Clamping plate; 504. Protective pad;

[0037] 6. Auxiliary structure; 601. Auxiliary frame; 602. Control module; 603. Buzzer; 604. Sliding seat; 605. Pressure sensor; 606. Connecting plate;

[0038] 7. Pressure mechanism; 701. Pressure plate; 702. Pressure seat; 703. Cylinder; 704. Pressure column; 705. Round plate. DETAILED DESCRIPTION

[0039] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0040] Example 1: Please refer to Figures 1 to 9 As shown:

[0041] The present invention provides a branch pulling device for forestry engineering, comprising a clamping plate 1; the clamping plates 1 are symmetrically arranged in two groups, and protective soft pads 101 are fixedly arranged on the inner sides of the two groups of clamping plates 1, and strip grooves 102 are opened on both sides of the two groups of clamping plates 1; a fixing block 103 is fixedly arranged on the outer side of one group of clamping plates 1, and the fixing blocks 103 are arranged in a straight line, and the fixing blocks 103 are located at the top and bottom of the strip groove 102; a locking screw 104 is movably arranged inside the strip groove 102, and the locking screw 104 is located between the two groups of clamping plates. The locking screw 104 is provided with a stopper 106 at one end, and a positioning block 107 is fixedly provided inside the stopper 106; the positioning blocks 107 are arranged in a straight line, and the straight line positioning blocks 107 are meshed with the straight line fixed blocks 103; the locking screw 104 is provided with a threaded barrel 105 on the outside through a threaded connection, and the locking screw 104 and the threaded barrel 105 are both provided in two groups; a knob is fixedly provided at the end of the threaded barrel 105, and the outside of the threaded barrel 105 is in contact with the outside of the clamping plate 1;

[0042] In the disclosed embodiment, a first adjustment component 2 is fixedly arranged on the outer side of the splint 1, and a telescopic structure 3 is fixedly arranged on the outer side of the first adjustment component 2; a second adjustment component 4 is fixedly arranged on the outer side of the telescopic structure 3, and a pulling structure 5 is fixedly arranged on the outer side of the second adjustment component 4; an auxiliary structure 6 is arranged between the two groups of splints 1, and a pressure mechanism 7 is also arranged between the two groups of splints 1; the auxiliary structure 6 includes: an auxiliary frame 601, a control module 602, a buzzer 603, a sliding seat 604, a pressure sensor 605 and a connecting plate 606; the auxiliary frame 601 is fixedly arranged on the inner side of a group of splints 1, The auxiliary frame 601 is slidably arranged inside another group of clamping plates 1; the control module 602 is fixedly arranged outside the auxiliary frame 601; the buzzer 603 is fixedly arranged outside the auxiliary frame 601, and the buzzer 603 and the control module 602 are electrically connected; the sliding seat 604 is slidably arranged inside the auxiliary frame 601; the pressure sensor 605 is fixedly arranged inside the sliding seat 604, and the pressure sensor 605 and the control module 602 are electrically connected; the connecting plate 606 is fixedly arranged outside the sliding seat 604, and the connecting plate 606 is symmetrically arranged in two groups; The pressure mechanism 7 includes: a pressure plate 701, a pressure seat 702, a cylinder 703, a pressure column 704 and a circular plate 705; the pressure plate 701 is rotatably arranged on the outer side of the end of the clamping plate 1, and the pressure plates 701 are symmetrically arranged in two groups; the pressure seat 702 is rotatably arranged between the two groups of pressure plates 701; the cylinder 703 is fixedly arranged on the outer side of the pressure seat 702; the pressure column 704 is slidably arranged inside the cylinder 703, and the end of the pressure column 704 is in contact with the outer side of the pressure sensor 605; the circular plate 705 is fixedly arranged at the end of the pressure column 704, and the circular plate 705 is slidably arranged on the cylinder 70 3, and a spring member is arranged between the circular plate 705 and the cylinder 703; its specific function is: by arranging the pressure plate 701 and the pressure seat 702; when the two groups of clamps 1 move inwards to clamp the tree trunk, the two groups of pressure plates 701 move in the opposite direction, so that the pressure seat 702 drives the cylinder 703 to move outwards; so that the squeezing force of the pressure column 704 on the pressure sensor 605 is reduced; when the pressure value of the pressure sensor 605 is reduced to a predetermined value, the control module 602 can control the buzzer 603 to send out a warning signal; and thus the fixing force can be conveniently controlled.

[0043] Example 2: Please refer to Figures 7 to 9As shown: Based on the first embodiment, the first adjustment component 2 includes: an adjustment seat A201, an adjustment shaft A202, a worm wheel A203, a worm A204, a connecting seat A205, a connecting seat A206, an adjustment shaft B207, a worm wheel B208, a worm B209 and a connecting seat B2010; the adjustment seat A201 is fixedly arranged on the outside of a group of splints 1; the adjustment shaft A202 is rotatably arranged inside the adjustment seat A201; the worm wheel A203 is fixedly arranged at the end of the adjustment shaft A202; the worm A204 is rotatably arranged on the outside of the adjustment seat A201, and the worm A204 is meshed with the worm wheel A203; the connecting seat A205 is fixedly arranged on the adjustment The outside of the joint shaft A202; the connecting seat A206 is fixedly arranged on the outside of the connecting seat A205; the adjusting shaft B207 is rotatably arranged inside the connecting seat A206; the worm wheel B208 is fixedly arranged at the end of the adjusting shaft B207; the worm B209 is rotatably arranged on the outside of the connecting seat A206, and the worm B209 is meshed with the worm wheel B208; the connecting seat B2010 is fixedly arranged on the outside of the adjusting shaft B207; the telescopic structure 3 includes: a fixed cylinder 301, a telescopic column 302, a rotating screw 303 and a driving shaft 304; the fixed cylinder 301 is fixedly arranged on the outside of the connecting seat B2010; the telescopic column 302 is slidably arranged inside the fixed cylinder 301; The rotating screw 303 is rotatably arranged inside the fixed cylinder 301, and the rotating screw 303 is arranged inside the telescopic column 302 through a threaded connection, and a bevel gear A is fixedly arranged on the top of the rotating screw 303; the driving shaft 304 is rotatably arranged inside the fixed cylinder 301, and a knob is fixedly arranged at one end of the driving shaft 304; a bevel gear B is fixedly arranged at the other end of the driving shaft 304, and the bevel gear B is meshed with the bevel gear A; the second adjustment component 4 includes: an adjustment seat B401, an adjustment shaft C402, a worm wheel C403, a worm C404 and a connecting seat C405; the adjustment seat B401 is fixedly arranged at the end of the telescopic column 302; the adjustment shaft C 402 is rotatably arranged inside the adjustment seat B401; the worm wheel C403 is fixedly arranged at the end of the adjustment shaft C402; the worm C404 is rotatably arranged outside the adjustment seat B401, and the worm C404 is meshed with the worm wheel C403; the connecting seat C405 is fixedly arranged outside the adjustment shaft C402; its specific functions are: by providing the first adjustment component 2 and the second adjustment component 4, the branch pulling structure 5 can be adjusted in multiple dimensions; and by using the driving shaft 304 and the rotating screw 303, the telescopic column 302 can drive the branch pulling structure 5 to adjust the position; and then it can be adjusted in multiple dimensions according to the specific position of the branch and the angle that needs to be fixed.

[0044] Example 3: Please refer to Figure 7 and Fig. 9As shown: on the basis of embodiment 1 and embodiment 2, the branch pulling structure 5 includes: a branch pulling frame 501, a double-headed screw 502, a clamping plate 503 and a protective pad 504; the branch pulling frame 501 is fixedly arranged on the outside of the connecting seat C405; the double-headed screw 502 is rotatably arranged inside the branch pulling frame 501, and a knob is fixedly arranged on the top of the double-headed screw 502; the clamping plate 503 is arranged on the outside of the double-headed screw 502 through a threaded connection, and the clamping plate 503 is slidably arranged on the inside of the branch pulling frame 501 through a dovetail groove; the end of the clamping plate 503 is arranged in an arc structure, and the clamping plate 503 is symmetrically arranged in two groups; the protective pad 504 is fixedly arranged on the inside of the clamping plate 503; its specific function is: by arranging the double-headed screw 502, the two groups of clamping plates 503 can be moved in opposite directions at the same time; and then the branches can be clamped and fixed according to the specific size of the branches, which is conducive to controlling branches of different sizes.

[0045] Specific usage and function of this embodiment: In the present invention, when in use, the two groups of plywood 1 are pulled in opposite directions to place the two groups of plywood 1 on the outside of the tree trunk; then the locking screw 104 is placed inside the strip groove 102, so that the linear positioning block 107 is meshed with the linear fixing block 103; then the threaded cylinder 105 is used to apply pressure to the plywood 1, so that the two groups of plywood 1 are fixed to the outside of the tree trunk; at the same time, the two groups of plywood 1 move inward at the same time to clamp the tree trunk; the two groups of pressure plates 701 move in the opposite direction, so that the pressure seat 702 drives the cylinder 703 to move outward; the pressure column 704 reduces the squeezing force of the pressure sensor 605; when the pressure value of the pressure sensor 605 is reduced to a predetermined value, the pressure sensor 605 transmits the pressure signal to the control module 602 in the form of an electrical signal, so that the control module 602 controls the buzzer 603 to send a warning signal; indicating that the clamping force of the two groups of plywood 1 is moderate; rotating the worm A2 04, the worm A204 drives the adjusting shaft A202 to rotate through the worm wheel A203, so that the left and right position of the pulling branch structure 5 is adjusted; the worm B209 is rotated, and the worm B209 drives the adjusting shaft B207 to rotate through the worm wheel B208, so that the up and down position of the pulling branch structure 5 is adjusted; the worm C404 is rotated, and the worm C404 drives the adjusting shaft C402 to rotate through the worm wheel C403, so that the vertical angle of the pulling branch structure 5 is adjusted; the driving shaft 3 is rotated 04, the driving shaft 304 drives the rotating screw 303 to rotate through the bevel gear B and the bevel gear A, and the rotating screw 303 drives the telescopic column 302 to extend and retract in the fixed tube 301; so that the branch pulling structure 5 reaches the branch pulling position; then the branch is placed between the two groups of clamping plates 503, and the double-headed screw 502 is rotated, and the double-headed screw 502 drives the two groups of clamping plates 503 to move in the opposite direction, so that the two groups of clamping plates 503 fix the branch at a specified bending angle through the protective pad 504.

Claims

1. A branch pulling device for forestry engineering, characterized in that: include: The splints (1) are symmetrically arranged in two groups, and protective cushions (101) are fixedly arranged on the inner sides of the two groups of splints (1), and strip grooves (102) are opened inside the two sides of the two groups of splints (1); a fixing block (103) is fixedly arranged on the outer side of one group of splints (1), and the fixing blocks (103) are arranged in a straight line, and the fixing blocks (103) are located at the top and bottom of the strip grooves (102); a locking screw (104) is movably arranged inside the strip grooves (102), and the locking screw (104) is located between the two groups of splints (1); a stopper (106) is fixedly arranged at one end of the locking screw (104), and a positioning block (107) is fixedly arranged on the inner side of the stopper (106); the positioning block (107) is arranged in a straight line, and the straight line positioning block (107) is meshed with the straight line fixed block (103); A first adjustment component (2) is fixedly arranged on the outer side of the clamping plate (1), and a telescopic structure (3) is fixedly arranged on the outer side of the first adjustment component (2); a second adjustment component (4) is fixedly arranged on the outer side of the telescopic structure (3), and a branch pulling structure (5) is fixedly arranged on the outer side of the second adjustment component (4); an auxiliary structure (6) is arranged between the two groups of clamping plates (1), and a pressure mechanism (7) is also arranged between the two groups of clamping plates (1); the auxiliary structure (6) includes: an auxiliary frame (601), a control module (602) and a buzzer (603); The auxiliary frame (601) is fixedly arranged on the inner side of one group of clamping plates (1), and the auxiliary frame (601) is slidably arranged inside another group of clamping plates (1); the control module (602) is fixedly arranged on the outer side of the auxiliary frame (601); the buzzer (603) is fixedly arranged on the outer side of the auxiliary frame (601), and the buzzer (603) and the control module (602) are arranged to be electrically connected.

2. A branch pulling device for forestry engineering according to claim 1, characterized in that: The outer side of the locking screw (104) is provided with a threaded barrel (105) through a threaded connection, and the number of the locking screw (104) and the threaded barrel (105) is set in two groups; a knob is fixedly provided at the end of the threaded barrel (105), and the outer side of the threaded barrel (105) is in contact with the outer side of the clamping plate (1).

3. The branch pulling device for forestry engineering according to claim 1, characterized in that: The first adjustment component (2) comprises: an adjustment seat A (201), an adjustment shaft A (202), a worm wheel A (203), a worm A (204) and a connecting seat A (205); the adjustment seat A (201) is fixedly arranged on the outside of a group of clamps (1); the adjustment shaft A (202) is rotatably arranged inside the adjustment seat A (201); the worm wheel A (203) is fixedly arranged at the end of the adjustment shaft A (202); the worm A (204) is rotatably arranged on the outside of the adjustment seat A (201), and the worm A (204) and the worm wheel A (203) are meshed; and the connecting seat A (205) is fixedly arranged on the outside of the adjustment shaft A (202).

4. The branch pulling device for forestry engineering according to claim 3, characterized in that: The first adjustment component (2) further comprises: a connecting seat A (206), an adjustment shaft B (207), a worm wheel B (208), a worm gear B (209) and a connecting seat B (2010); the connecting seat A (206) is fixedly arranged on the outside of the connecting seat A (205); the adjustment shaft B (207) is rotatably arranged inside the connecting seat A (206); the worm gear B (208) is fixedly arranged at the end of the adjustment shaft B (207); the worm gear B (209) is rotatably arranged on the outside of the connecting seat A (206), and the worm gear B (209) is meshed with the worm gear B (208); and the connecting seat B (2010) is fixedly arranged on the outside of the adjustment shaft B (207).

5. The branch pulling device for forestry engineering according to claim 4, characterized in that: The telescopic structure (3) comprises: a fixed cylinder (301), a telescopic column (302), a rotating screw (303) and a driving shaft (304); the fixed cylinder (301) is fixedly arranged on the outside of the connecting seat B (2010); the telescopic column (302) is slidably arranged inside the fixed cylinder (301); the rotating screw (303) is rotatably arranged inside the fixed cylinder (301), and the rotating screw (303) is arranged inside the telescopic column (302) through a threaded connection, and a bevel gear A is fixedly arranged on the top of the rotating screw (303); the driving shaft (304) is rotatably arranged inside the fixed cylinder (301), and a knob is fixedly arranged at one end of the driving shaft (304); a bevel gear B is fixedly arranged at the other end of the driving shaft (304), and the bevel gear B is meshed with the bevel gear A.

6. The branch pulling device for forestry engineering according to claim 5, characterized in that: The second adjustment assembly (4) comprises: an adjustment seat B (401), an adjustment shaft C (402), a worm wheel C (403), a worm C (404) and a connecting seat C (405); the adjustment seat B (401) is fixedly arranged at the end of the telescopic column (302); the adjustment shaft C (402) is rotatably arranged inside the adjustment seat B (401); the worm wheel C (403) is fixedly arranged at the end of the adjustment shaft C (402); the worm C (404) is rotatably arranged outside the adjustment seat B (401), and the worm C (404) and the worm wheel C (403) are meshed; and the connecting seat C (405) is fixedly arranged outside the adjustment shaft C (402).

7. The branch pulling device for forestry engineering according to claim 6, characterized in that: The branch pulling structure (5) comprises: a branch pulling frame (501), a double-headed screw (502), a clamping plate (503) and a protective pad (504); the branch pulling frame (501) is fixedly arranged on the outside of the connecting seat C (405); the double-headed screw (502) is rotatably arranged inside the branch pulling frame (501), and a knob is fixedly arranged on the top of the double-headed screw (502); the clamping plate (503) is arranged on the outside of the double-headed screw (502) through a threaded connection, and the clamping plate (503) is slidably arranged on the inside of the branch pulling frame (501) through a dovetail groove; the end of the clamping plate (503) is arranged in an arc structure, and the clamping plate (503) is symmetrically arranged in two groups; the protective pad (504) is fixedly arranged on the inside of the clamping plate (503).

8. The branch pulling device for forestry engineering according to claim 1, characterized in that: The auxiliary structure (6) further comprises: a sliding seat (604), a pressure sensor (605) and a connecting plate (606); the sliding seat (604) is slidably arranged inside the auxiliary frame (601); the pressure sensor (605) is fixedly arranged inside the sliding seat (604), and the pressure sensor (605) and the control module (602) are electrically connected; the connecting plate (606) is fixedly arranged outside the sliding seat (604), and the connecting plates (606) are symmetrically arranged in two groups.

9. A branch pulling device for forestry engineering according to claim 8, characterized in that: The pressure mechanism (7) comprises: a pressure plate (701), a pressure seat (702), a cylinder (703), a pressure column (704) and a circular plate (705); the pressure plate (701) is rotatably arranged on the outer side of the end of the clamping plate (1), and two groups of pressure plates (701) are symmetrically arranged; the pressure seat (702) is rotatably arranged between the two groups of pressure plates (701); the cylinder (703) is fixedly arranged on the outer side of the pressure seat (702); the pressure column (704) is slidably arranged inside the cylinder (703), and the end of the pressure column (704) is in contact with the outer side of the pressure sensor (605); the circular plate (705) is fixedly arranged on the end of the pressure column (704), and the circular plate (705) is slidably arranged inside the cylinder (703), and a spring member is arranged between the circular plate (705) and the inside of the cylinder (703).

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