Early-maturing disease-resistant cotton culture device with multi-angle spraying function

Abstract

The invention discloses a multi-angle spraying early-maturing disease-resistant cotton culture device which comprises a box body, a box door is arranged on the front side face of the box body, a controller is embedded in the front side face of the box body and located on the left side of the box door, a bracket is fixedly installed on the inner bottom face of the box body, and the box door is arranged on the inner bottom face of the box body. A cultivation box is movably mounted at the top of the bracket in a nested manner; the water tank is installed on the inner bottom face of the box body, and the water tank is located below the cultivation box; and the mounting seat is fixedly mounted on the inner top surface of the box body. According to the early-maturing disease-resistant cotton culture device capable of spraying at multiple angles, the spraying angle can be adjusted during cotton culture spraying, it is guaranteed that water and nutrient substances can evenly and effectively cover cotton seedlings, health of the cotton seedlings is promoted, research on early-maturing disease resistance of cotton is guaranteed, and the early-maturing disease-resistant cotton culture device has good application prospects. Meanwhile, the spraying flow can be controlled and adjusted, and use is more flexible.

Description

Technical Field

[0001] The invention relates to the technical field of cotton cultivation, in particular to an early-maturing disease-resistant cotton cultivation device capable of spraying at multiple angles. Background Art

[0002] Cotton fibers are white or yellowish white and can be made into fabrics of various specifications, from light and transparent voile to thick canvas and thick velvet, suitable for making all kinds of clothes, furniture fabrics and industrial fabrics. Cotton is one of the most important crops in the world. Research on early maturity and disease resistance of cotton in cultivation is one of the methods to increase cotton yield, but the existing cotton cultivation devices still have certain defects, such as: The "A cultivation device for transgenic cotton seeds" with application number CN202322578402.7 cannot adjust the spray angle when spraying the cotton seedlings during use, making it difficult to ensure that water and nutrients can be evenly and effectively covered on the cotton seedlings, and it is difficult to promote the health of the cotton seedlings, which is not conducive to the research on early maturity and disease resistance of cotton; at the same time, during spraying, the spray flow cannot be controlled and adjusted, the flexibility of use is poor, and there are limitations in use. In view of this, an early maturity and disease resistance cotton cultivation device that can spray at multiple angles is proposed to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide an early-maturing and disease-resistant cotton cultivation device that can spray at multiple angles, so as to solve the problem raised in the above background technology that the existing cotton cultivation device cannot adjust the spraying angle, it is difficult to ensure that water and nutrients can be evenly and effectively covered on the cotton seedlings, which is not conducive to the research on early-maturing and disease-resistant cotton, and at the same time, the spraying flow cannot be controlled and adjusted.

[0004] To achieve the above object, the present invention provides the following technical solution: an early-maturing disease-resistant cotton cultivation device capable of multi-angle spraying, comprising a box body, a box door is arranged on the front side of the box body, a controller is embedded and installed on the front side of the box body, and the controller is located on the left side of the box door, A bracket, the bracket is fixedly mounted on the inner bottom surface of the box body, and a cultivation box is movably nested and mounted on the top of the bracket; A water tank, which is installed on the inner bottom surface of the box body and is located below the incubator; A mounting seat, the mounting seat is fixedly mounted on the inner top surface of the box; A spray mechanism, the spray mechanism is rotatably connected to the bottom end of the mounting seat, and the spray mechanism is connected to the water tank through a hose; An angle adjustment mechanism, wherein the angle adjustment mechanism is disposed on the box body and connected to the spray mechanism; A transmission mechanism connected to the angle adjustment mechanism; A conveying mechanism connected to the transmission mechanism; A speed regulating mechanism is connected to the transmission mechanism.

[0005] The above technical solution is adopted to facilitate the adjustment of the spray angle and flow rate.

[0006] As a preferred technical solution of the present invention, the spray mechanism comprises: A connecting seat, the connecting seat is rotatably connected to the bottom end of the mounting seat; A spray pipe, the spray pipe is installed on the bottom surface of the connecting seat, and the left end surface of the spray pipe is fixedly connected to the hose; The nozzles are evenly mounted on the bottom surface of the spray pipe.

[0007] By adopting the above technical solution, the water and nutrients in the water tank can be transported to the spray pipe through the through pipe and sprayed out through the spray head.

[0008] As a preferred technical solution of the present invention, the angle adjustment mechanism includes: A motor, the motor being fixedly mounted on the upper end of the left side wall of the box; A reciprocating screw rod, the left end of which is fixedly connected to the shaft end of the motor, and the right end of which is connected to the left side bearing of the mounting seat; A slide seat, the top surface of which is slidably connected to the top surface of the box body, and the reciprocating screw rod is arranged through the slide seat, and the reciprocating screw rod is threadedly connected to the slide seat; A connecting rod, the top end of the connecting rod is hinged to the bottom end of the sliding seat, and the bottom end of the connecting rod is hinged to the top surface of the spray pipe.

[0009] By adopting the above technical solution, the slide seat can be moved when the reciprocating screw rotates, and the spray pipe and the spray head can be rotated with the connection between the mounting seat and the connecting seat as a fulcrum through the connecting rod, so as to adjust the spray angle.

[0010] As a preferred technical solution of the present invention, the transmission mechanism includes: A fixed box, the fixed box is fixedly installed on the left inner wall surface of the box body; A rotating shaft, wherein the rotating shaft bearing is arranged through the top surface of the fixed box; A first bevel gear set, the first bevel gear set is mounted on the reciprocating screw, and the first bevel gear set is fixedly connected to the top end of the rotating shaft; A driving cone wheel, the driving cone wheel is coaxially fixedly mounted on the bottom end of the rotating shaft; An installation shaft, wherein the front and rear ends of the installation shaft are respectively connected to the front and rear inner wall bearings of the fixed box; A connecting shaft, the connecting shaft being fixedly sleeved on the surface of the mounting shaft; A transmission disc, wherein the transmission disc bearing is installed at the right end of the connecting shaft, and the transmission disc abuts against the active cone wheel; A rotating rod, the bottom end of which is connected to the inner bottom bearing of the fixed box; The driven cone wheel is coaxially fixedly mounted on the top end of the rotating rod, and the driven cone wheel abuts against the transmission disc.

[0011] By adopting the above technical solution, when the reciprocating screw rotates, the rotating shaft and the driving bevel wheel are driven to rotate through the first bevel gear set, and the driven bevel wheel and the rotating rod are rotated through the transmission disc.

[0012] As a preferred technical solution of the present invention, the conveying mechanism includes: A shell, the shell is fixedly mounted on the lower end of the right side of the fixed box, and the hose is fixedly arranged to pass through the bottom and top surfaces of the shell in sequence; A round rod, wherein the round rod is provided with a bearing that passes through the right side wall of the fixed box and the center of the left side wall of the shell in sequence; A second bevel gear set, the second bevel gear set is mounted on the rotating rod, and the second bevel gear set is fixedly connected to the left end of the round rod; A turntable, the turntable is coaxially fixedly mounted on the right end of the round rod; An extrusion wheel is installed on the right side of the turntable, and the portion of the hose in the shell is located between the extrusion wheel and the inner wall of the shell.

[0013] By adopting the above technical solution, when the rotating rod rotates, the second bevel gear set drives the round rod, the rotating disk and the extrusion wheel to rotate, so that the hose is squeezed to generate a pressure difference in the hose, and the water in the water tank is transported to the spray pipe.

[0014] As a preferred technical solution of the present invention, three extrusion wheels are arranged at equal angles on the turntable, and the shortest distance from the extrusion wheel to the inner wall of the shell is smaller than the radius of the hose.

[0015] The above technical solution is adopted to ensure that a sufficient pressure difference is effectively generated by squeezing the hose to suck in and transport water.

[0016] As a preferred technical solution of the present invention, the speed regulating mechanism comprises: An adjusting screw rod, wherein the adjusting screw rod bearing is arranged through the left side wall of the box body, and the adjusting screw rod is placed inside the fixed box; A connecting block, wherein the connecting block is sleeved on the outer side of the adjusting screw rod, and the adjusting screw rod is threadedly connected to the connecting block; A guide rod, the guide rod is fixedly mounted on the left inner wall of the box body, and the guide rod slides through the guide rod setting, and the guide rod is parallel to the adjusting screw rod; A rack, the rack being fixedly mounted on the top surface of the connecting block; A connecting gear is fixedly sleeved on the mounting shaft and is meshingly connected with the rack.

[0017] By adopting the above technical solution, it is convenient to move the rack by adjusting the rotation of the screw rod, so that the connecting gear drives the installation shaft, the connecting shaft and the transmission disc to rotate, thereby adjusting the transmission ratio, realizing the adjustment of the rotation speed of the driven cone wheel and the rotating rod, and then adjusting the rotation speed of the rotating disc and the extrusion wheel, thereby realizing the adjustment and control of the flow rate.

[0018] Compared with the prior art, the invention has the following beneficial effects: the early-maturing disease-resistant cotton cultivation device capable of multi-angle spraying can ensure that the spraying angle can be adjusted when spraying cotton cultivation, ensuring that water and nutrients can be evenly and effectively covered on the cotton seedlings, promoting the health of the cotton seedlings, ensuring the research on early-maturing disease resistance of cotton, and at the same time being able to control and adjust the spraying flow rate, making it more flexible to use; The motor is started to rotate the reciprocating screw rod, so that the slide seat moves back and forth, and the spray pipe and the spray head are reciprocated by the connecting rod with the connection point of the mounting seat and the connecting seat as the fulcrum to adjust the spray angle; When the reciprocating screw rotates, the rotating shaft and the driving bevel wheel are driven to rotate through the first bevel gear set, and the driven bevel wheel drives the rotating rod to rotate synchronously through the action of the transmission disc, so that the round rod, the rotating disc and the extrusion wheel are driven to rotate synchronously through the second bevel gear set, so that the extrusion wheel squeezes the hose to generate a pressure difference in the hose, and the water in the water tank is sucked into the hose and transported to the spray pipe through the nozzle to spray, thereby achieving spraying; The connecting block drives the rack to move by rotating the adjusting screw rod, and the mounting shaft, the connecting shaft and the transmission disc are rotated by the action of the connecting gear. Thus, the transmission ratio is adjusted by changing the contact position between the transmission disc and the active bevel wheel and the driven bevel wheel, and the rotation speed of the driven bevel wheel and the rotating rod is adjusted. The rotation speed of the rotating rod is adjusted synchronously with the rotation speed of the round rod, the rotating disc and the extrusion wheel, so as to adjust the spray flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the main cross-sectional structure of the present invention; Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle; Figure 4 This is a schematic diagram of the top view of the connection structure of the installation shaft, the connecting shaft and the connecting gear of the present invention; Figure 5 It is a schematic diagram of the three-dimensional connection structure of the connecting shaft, the mounting shaft and the transmission disc of the present invention; Figure 6 It is a schematic diagram of the cross-sectional structure of the housing of the present invention from the right side; Figure 7 It is a schematic diagram of the three-dimensional connection structure of the connecting block, the adjusting screw rod and the rack of the present invention.

[0020] In the figure: 1, box body; 2, box door; 3, controller; 4, bracket; 5, incubator; 6, water tank; 7, mounting seat; 8, hose; 9, motor; 10, reciprocating screw; 11, slide seat; 12, connecting rod; 13, fixed box; 14, rotating shaft; 15, first bevel gear set; 16, driving bevel wheel; 17, mounting shaft; 18, connecting shaft; 19, transmission disc; 20, rotating rod; 21, driven bevel wheel; 22, housing; 23, round rod; 24, second bevel gear set; 25, rotating disc; 26, extrusion wheel; 27, adjusting screw; 28, connecting block; 29, guide rod; 30, rack; 31, connecting gear; 32, connecting seat; 33, spray pipe; 34, nozzle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-7 , the technical solution of the present invention: an early-maturing disease-resistant cotton cultivation device capable of multi-angle spraying, comprising a box body 1, a box door 2 is arranged on the front side of the box body 1, a controller 3 is embedded and installed on the front side of the box body 1, and the controller 3 is located on the left side of the box door 2, a bracket 4 is fixedly installed on the inner bottom surface of the box body 1, and a cultivation box 5 is movably nested and installed on the top of the bracket 4, a water tank 6 is installed on the inner bottom surface of the box body 1, and the water tank 6 is located below the cultivation box 5, a mounting seat 7 is fixedly installed on the inner top surface of the box body 1, a spray mechanism is rotatably connected to the bottom end of the mounting seat 7, and the spray mechanism is connected to the water tank 6 through a hose 8, an angle adjustment mechanism is arranged on the box body 1, and the angle adjustment mechanism is connected to the spray mechanism, a transmission mechanism is connected to the angle adjustment mechanism, a conveying mechanism is connected to the transmission mechanism, and a speed regulating mechanism is connected to the transmission mechanism; The spray mechanism includes a connecting seat 32, which is rotatably connected to the bottom end of the mounting seat 7, a spray pipe 33 is mounted on the bottom surface of the connecting seat 32, and the left end surface of the spray pipe 33 is fixedly connected to the hose 8, and a spray head 34 is evenly mounted on the bottom surface of the spray pipe 33; The angle adjustment mechanism includes a motor 9, which is fixedly mounted on the upper end of the left side wall of the box body 1, the left end of the reciprocating screw 10 is fixedly connected to the shaft end of the motor 9, and the right end of the reciprocating screw 10 is connected to the left side bearing of the mounting seat 7, the top surface of the slide seat 11 is slidably connected to the top surface of the box body 1, and the reciprocating screw 10 penetrates the slide seat 11, and the reciprocating screw 10 is threadedly connected to the slide seat 11, the top end of the connecting rod 12 is hinged to the bottom end of the slide seat 11, and the bottom end of the connecting rod 12 is hinged to the top surface of the spray pipe 33; The transmission mechanism includes a fixed box 13, which is fixedly mounted on the left inner wall of the box body 1, and the bearing of the rotating shaft 14 passes through the top surface of the fixed box 13. The first bevel gear set 15 is mounted on the reciprocating screw 10, and the first bevel gear set 15 is fixedly connected to the top of the rotating shaft 14. The active bevel wheel 16 is coaxially fixedly mounted on the bottom end of the rotating shaft 14. The front and rear ends of the mounting shaft 17 are respectively connected to the front and rear inner wall bearings of the fixed box 13. The connecting shaft 18 is fixedly sleeved on the surface of the mounting shaft 17. The transmission disc 19 is mounted on the right end of the connecting shaft 18, and the transmission disc 19 abuts against the active bevel wheel 16. The bottom end of the rotating rod 20 is connected to the inner bottom bearing of the fixed box 13. The driven bevel wheel 21 is coaxially fixedly mounted on the top of the rotating rod 20, and the driven bevel wheel 21 abuts against the transmission disc 19. The conveying mechanism includes a shell 22, which is fixedly installed at the lower end of the right side of the fixed box 13, and the hose 8 is fixedly arranged to pass through the bottom and top surfaces of the shell 22 in sequence, and the round rod 23 is arranged to pass through the right side wall of the fixed box 13 and the center of the left side wall of the shell 22 in sequence, and the second bevel gear set 24 is installed on the rotating rod 20, and the second bevel gear set 24 is fixedly connected to the left end of the round rod 23, the rotating disk 25 is coaxially fixedly installed at the right end of the round rod 23, the extrusion wheel 26 is installed on the right side of the rotating disk 25, and the part of the hose 8 in the shell 22 is located between the extrusion wheel 26 and the inner wall surface of the shell 22, and three extrusion wheels 26 are arranged at equal angles on the rotating disk 25, and the shortest distance from the extrusion wheel 26 to the inner wall surface of the shell 22 is less than the radius of the hose 8; The speed regulating mechanism includes an adjusting screw 27, the bearing of the adjusting screw 27 passes through the left side wall of the box body 1, and the adjusting screw 27 is placed inside the fixed box 13, the connecting block 28 is sleeved on the outside of the adjusting screw 27, and the adjusting screw 27 is threadedly connected to the connecting block 28, the guide rod 29 is fixedly installed on the left inner wall surface of the box body 1, and the guide rod 29 slides through the guide rod 29, and the guide rod 29 is parallel to the adjusting screw 27, the rack 30 is fixedly installed on the top surface of the connecting block 28, the connecting gear 31 is fixedly sleeved on the mounting shaft 17, and the connecting gear 31 is meshed and connected with the rack 30.

[0023] Working principle: When in use, the reciprocating screw rod 10 is rotated by starting the motor 9, so that the slide seat 11 can reciprocate, and the spray pipe 33 and the spray head 34 are reciprocated by the action of the connecting rod 12 with the connection point between the mounting seat 7 and the connecting seat 32 as the fulcrum, so as to adjust the spray angle; When the reciprocating screw 10 rotates, the first bevel gear set 15 drives the rotating shaft 14 and the driving bevel wheel 16 to rotate, and the friction between the transmission disc 19 and the driving bevel wheel 16 and the driven bevel wheel 21 drives the driven bevel wheel 21 and the rotating rod 20 to rotate; When the rotating rod 20 rotates, the second bevel gear set 24 drives the round rod 23 to rotate, so that the rotating disk 25 and the squeezing wheel 26 rotate synchronously, so that the squeezing wheel 26 continuously squeezes the hose 8, so that the hose 8 generates pressure to suck the water in the water tank 6 into the hose 8 and transport it to the spray pipe 33, and then spray it out through the nozzle 34; By rotating the adjusting screw 27, the connecting block 28 threadedly connected to the adjusting screw 27 is moved under the action of the guide rod 29, so that the connecting block 28 drives the rack 30 to move synchronously, so that the connecting gear 31 meshing with the rack 30 drives the mounting shaft 17, the connecting shaft 18 and the transmission disc 19 to rotate, so that by changing the contact position between the transmission disc 19 and the active bevel gear 16 and the driven bevel gear 21, the transmission ratio is adjusted, and then the rotation speed of the driven bevel gear 21 and the rotating rod 20 is adjusted. The adjustment change of the rotation of the rotating rod 20 simultaneously adjusts the rotation of the round rod 23, the rotating disk 25 and the extrusion wheel 26, so that the extrusion speed of the hose 8 is changed, thereby adjusting the spray flow rate. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An early-maturing disease-resistant cotton cultivation device capable of spraying at multiple angles, comprising a box body (1), a box door (2) being arranged on the front side of the box body (1), a controller (3) being embedded and installed on the front side of the box body (1), and the controller (3) being located on the left side of the box door (2), characterized in that: Also includes: A bracket (4), the bracket (4) being fixedly mounted on the inner bottom surface of the box body (1), and a cultivation box (5) being movably nested and mounted on the top of the bracket (4); A water tank (6), the water tank (6) being mounted on the inner bottom surface of the box body (1), and the water tank (6) being located below the cultivation box (5); A mounting seat (7), the mounting seat (7) being fixedly mounted on the inner top surface of the box body (1); A spray mechanism, the spray mechanism being rotatably connected to the bottom end of the mounting seat (7), and the spray mechanism being connected to the water tank (6) via a hose (8); An angle adjustment mechanism, the angle adjustment mechanism is arranged on the box body (1), and the angle adjustment mechanism is connected to the spray mechanism; A transmission mechanism connected to the angle adjustment mechanism; A conveying mechanism connected to the transmission mechanism; A speed regulating mechanism is connected to the transmission mechanism.

2. The early-maturing disease-resistant cotton cultivation device capable of multi-angle spraying according to claim 1, characterized in that: The spray mechanism comprises: A connecting seat (32), the connecting seat (32) being rotatably connected to the bottom end of the mounting seat (7); A spray pipe (33), the spray pipe (33) being mounted on the bottom surface of the connecting seat (32), and the left end surface of the spray pipe (33) being fixedly connected to the hose (8); A spray head (34), wherein the spray head (34) is evenly mounted on the bottom surface of the spray pipe (33).

3. The early-maturing disease-resistant cotton cultivation device capable of multi-angle spraying according to claim 2, characterized in that: The angle adjustment mechanism comprises: A motor (9), the motor (9) being fixedly mounted on the upper end of the left side wall of the box body (1); A reciprocating screw rod (10), wherein the left end of the reciprocating screw rod (10) is fixedly connected to the shaft end of the motor (9), and the right end of the reciprocating screw rod (10) is connected to the left side bearing of the mounting seat (7); A slide seat (11), the top surface of the slide seat (11) being slidably connected to the top surface of the box body (1), the reciprocating screw rod (10) penetrating the slide seat (11), and the reciprocating screw rod (10) being threadedly connected to the slide seat (11); A connecting rod (12), wherein the top end of the connecting rod (12) is hinged to the bottom end of the sliding seat (11), and the bottom end of the connecting rod (12) is hinged to the top surface of the spray pipe (33).

4. The early-maturing disease-resistant cotton cultivation device capable of multi-angle spraying according to claim 3, characterized in that: The transmission mechanism comprises: A fixed box (13), the fixed box (13) being fixedly mounted on the left inner wall surface of the box body (1); A rotating shaft (14), wherein a bearing of the rotating shaft (14) is disposed through the top surface of the fixed box (13); a first bevel gear set (15), the first bevel gear set (15) being mounted on the reciprocating screw (10), and the first bevel gear set (15) being fixedly connected to the top end of the rotating shaft (14); A driving cone wheel (16), the driving cone wheel (16) being coaxially fixedly mounted on the bottom end of the rotating shaft (14); An installation shaft (17), wherein the front and rear ends of the installation shaft (17) are respectively connected to the front and rear inner wall bearings of the fixed box (13); A connecting shaft (18), wherein the connecting shaft (18) is fixedly sleeved on the surface of the mounting shaft (17); A transmission disc (19), wherein a bearing of the transmission disc (19) is mounted on the right end of the connecting shaft (18), and the transmission disc (19) is in contact with the active cone wheel (16); A rotating rod (20), the bottom end of the rotating rod (20) being connected to the inner bottom surface bearing of the fixed box (13); A driven cone wheel (21), the driven cone wheel (21) is coaxially fixedly mounted on the top end of the rotating rod (20), and the driven cone wheel (21) is in contact with the driving disc (19).

5. The early-maturing disease-resistant cotton cultivation device capable of multi-angle spraying according to claim 4, characterized in that: The conveying mechanism comprises: A shell (22), the shell (22) being fixedly mounted on the lower end of the right side surface of the fixed box (13), and the hose (8) being fixedly arranged to penetrate the bottom surface and the top surface of the shell (22) in sequence; A round rod (23), the round rod (23) being arranged so as to extend through the right side wall of the fixed box (13) and the center of the left side wall of the housing (22); a second bevel gear set (24), the second bevel gear set (24) being mounted on the rotating rod (20), and the second bevel gear set (24) being fixedly connected to the left end of the round rod (23); A rotating disk (25), the rotating disk (25) being coaxially fixedly mounted on the right end of the round rod (23); An extrusion wheel (26), the extrusion wheel (26) being mounted on the right side of the rotating disk (25), and the portion of the hose (8) inside the housing (22) being located between the extrusion wheel (26) and the inner wall surface of the housing (22).

6. The early-maturing disease-resistant cotton cultivation device capable of multi-angle spraying according to claim 5, characterized in that: Three extrusion wheels (26) are arranged at equal angles on the rotating disk (25), and the shortest distance from the extrusion wheel (26) to the inner wall surface of the housing (22) is less than the radius of the hose (8).

7. The early-maturing disease-resistant cotton cultivation device capable of multi-angle spraying according to claim 5, characterized in that: The speed regulating mechanism comprises: an adjusting screw rod (27), wherein a bearing of the adjusting screw rod (27) is arranged to pass through the left side wall of the box body (1), and the adjusting screw rod (27) is placed inside the fixed box (13); A connecting block (28), wherein the connecting block (28) is sleeved on the outer side of the adjusting screw rod (27), and the adjusting screw rod (27) is threadedly connected to the connecting block (28); A guide rod (29), the guide rod (29) being fixedly mounted on the left inner wall of the box body (1), the guide rod (29) being slidably inserted through the guide rod (29), and the guide rod (29) being parallel to the adjusting screw rod (27); A rack (30), the rack (30) being fixedly mounted on the top surface of the connecting block (28); A connecting gear (31), wherein the connecting gear (31) is fixedly sleeved on the mounting shaft (17), and the connecting gear (31) is meshingly connected with the rack (30).

Images