Interline herbicide spraying equipment for dwarf and close-planting apple trees

Abstract

The utility model relates to the technical field of herbicide spraying, in particular to inter-row herbicide spraying equipment for dwarf and close-planting apple trees, which reduces the labor intensity of operators through a vehicle body. The practicability of the equipment is improved through the stirring system; the extended spraying rod is matched with the vertical mounting base or the horizontal mounting base, so that the spraying area is increased, the spraying mode is changed, different spraying environments are adapted, and the adaptability and portability of the equipment are improved; comprising a pesticide box, a storage battery, a water pump, a movable spraying rod and atomizing nozzles, the storage battery is installed at the upper end of the pesticide box, the water pump is installed at the upper end of the pesticide box, the input end of the water pump communicates with the interior of the pesticide box, the output end of the water pump communicates with the movable spraying rod through a mechanical part, and the multiple atomizing nozzles are arranged on the movable spraying rod; the automatic spraying device further comprises a vehicle body, a stirring system, a pressurizing and shunting system, an automatic spraying system, two vertical mounting seats, two horizontal mounting seats and two extended spraying rods.

Description

Technical Field

[0001] The utility model relates to the technical field of herbicide spraying, in particular to a herbicide spraying device between rows of dwarfed and densely planted apple trees. Background Art

[0002] The herbicide spraying device for the inter-row herbicide spraying of dwarf densely planted apple trees is an auxiliary device for spraying herbicides, which has been widely used in the field of herbicide spraying; the existing herbicide spraying device for the inter-row herbicide spraying of dwarf densely planted apple trees includes an atomizing nozzle, a medicine box, a movable spray rod, a battery, a water pump and a shoulder strap, a shoulder strap is provided at the rear end of the medicine box, a water pump is installed at the upper end of the medicine box, an input end of the water pump is connected to the medicine box, an output end of the water pump is connected to the input end of the movable spray rod, an atomizing nozzle is installed on the output end of the movable spray rod, and a battery is installed at the medicine box. At the bottom of the , the battery powers the water pump. When the existing dwarf densely planted apple tree inter-row herbicide spraying equipment is used, the operator first carries the medicine box on his back through the strap, then holds the movable spray rod, aims the atomizing nozzle at the area to be sprayed, and then turns on the water pump. The water pump pressurizes the medicine and transports it to the atomizing nozzle through the movable spray rod, and then spraying can be carried out. It was found in the use of the existing dwarf densely planted apple tree inter-row herbicide spraying equipment that the heavy medicine box consumes more physical energy for the operator; the spraying surface is small, the spraying speed is slow, and the efficiency is low. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a dwarf densely planted apple tree inter-row herbicide spraying equipment that reduces the labor intensity of operators through the vehicle body; improves the practicality of the equipment through the stirring system; and increases the spraying area and changes the spraying method by extending the spray rod and cooperating with the vertical mounting seat or the horizontal mounting seat to adapt to different spraying environments, thereby improving the adaptability and portability of the equipment.

[0004] The utility model discloses a herbicide spraying device for inter-row herbicides for dwarfing densely planted apple trees, comprising a medicine box, a battery, a water pump, a movable spray bar and an atomizing nozzle, wherein the battery is mounted on the upper end of the medicine box, the water pump is mounted on the upper end of the medicine box and the input end of the water pump is connected to the inside of the medicine box, the output end of the water pump is connected to the movable spray bar through mechanical parts, and a plurality of atomizing nozzles are arranged on the movable spray bar; the utility model also comprises: a vehicle body, a stirring system, a pressurized diversion system, an automatic spraying system, two vertical mounting seats, two horizontal mounting seats and two extended spray bars, wherein the vehicle body provides support and mobility for the equipment; the stirring system is mounted on the vehicle body, and the stirring system stores and stirs the medicine solution; the pressurized diversion ... On the mixing system, the pressurized diversion system pressurizes and transports the medicine; the automatic spraying system is installed on the vehicle body, and the automatic spraying system sprays the medicine; the vertical mounting seat and the horizontal mounting seat are both installed on the vehicle body, and the extended spray rod can be installed on the vertical mounting seat or the horizontal mounting seat to increase the spraying area; the equipment is supported and moved by the vehicle body, and a large amount of medicine is stored through the mixing system to reduce the frequency of adding medicine; the medicine is pressurized by the pressurized diversion system and automatically sprayed in conjunction with the automatic spraying system, and the spraying area is increased and the spraying method is changed by extending the spray rod and cooperating with the vertical mounting seat or the horizontal mounting seat to adapt to different spraying environments; the adaptability, portability and practicality of the equipment are improved.

[0005] Preferably, the vehicle body includes a frame, two leaf springs, a support beam and two wheels, a plurality of cross beams are arranged in the middle of the frame, a traction hook is arranged at the left end of the cross beam, two protective piers are arranged at the lower end of the left part of the cross beam, two leaf springs are installed at the lower end of the frame, the lower ends of the two leaf springs are connected to the support beam, and the front and rear ends of the support beam are connected to the two wheels; by arranging the leaf springs, the damage to the equipment caused by vibration when the equipment is walking in the field is reduced, the cross beam is used to provide an installation platform for other parts of the equipment, the support beam and wheels are used to make the equipment mobile, and the traction hook is used to connect the external power traction equipment for movement, thereby improving the stability and practicality of the equipment.

[0006] Preferably, the stirring system includes a medicine box, an electric motor, a reducer, a stirring fan and a battery. The medicine box is installed at the upper end of multiple beams, and the electric motor and the reducer are both installed on the upper end surface of the medicine box. The output end of the motor is connected to the input end of the reducer, and the output end of the reducer is connected to the stirring fan. The battery provides power for the equipment; the electric motor transmits power to the stirring fan through the reducer to rotate the stirring fan. When the liquid in the medicine box is placed for a long time before being used, the medicine is stirred by the stirring fan to make its concentration uniform, thereby improving the practicality of the equipment.

[0007] Preferably, the pressurized diversion system includes a water pump, a high-pressure water pipe, a four-way water diversion box and a quick connector. The water pump is installed at the upper end of the medicine box, the input end of the water pump is connected to the medicine box and extends to the bottom end of the medicine box. The four-way water diversion box is installed on the right end face of the medicine box, the input end of the four-way water diversion box is connected to the output end of the water pump through a high-pressure water pipe, and the left, right and lower ends of the four-way water diversion box are respectively provided with liquid outlets, and water valves are provided on the liquid outlets, and a quick connector is installed at the end of the liquid outlet; the liquid medicine in the medicine box is extracted and pressurized and transported to the four-way water diversion box by the water pump, and the output volume and output pressure of the liquid medicine are controlled by the water valve to change the spraying volume, thereby improving the controllability and practicality of the equipment.

[0008] Preferably, the automatic spray system includes a fixed spray rod, an atomizing nozzle and a quick connector. The fixed spray rod is installed on the right end of the frame, the upper end face of the fixed spray rod is installed with a quick connector, and the lower end face of the fixed spray rod is provided with multiple atomizing nozzles; the automatic spray system evenly sprays the agent through multiple atomizing nozzles, and can be quickly disassembled and assembled with the quick connector and high-pressure water pipe, thereby improving the flexibility and practicality of the equipment.

[0009] Preferably, the extended spray boom includes a movable spray boom, a quick connector, a No. 2 limiting hole and an atomizing nozzle. The movable spray boom is provided with a No. 2 limiting hole, and the movable spray boom is respectively provided with a quick connector and multiple atomizing nozzles on the planes where the two ends of the No. 2 limiting hole are located; the extended spray boom can cooperate with the vertical mounting seat and the horizontal mounting seat to increase the spraying area and change the spraying mode, and is convenient for disassembly and assembly, thereby improving the flexibility and adaptability of the equipment.

[0010] Preferably, the horizontal mounting seat includes a rotating fixed seat, a rotating shaft, a transverse limit plate, a No. 2 limit rod and a No. 2 spring. The bottom of the rotating fixed seat is installed on the upper end surface of the fixed spray boom through the rotating shaft. The upper end surface of the rotating fixed seat is provided with a No. 1 limit hole, and a transverse limit plate is installed on the rear side of the rotating fixed seat. The left end of the rotating fixed seat is connected to the right end of the cross beam and a hole is opened at the connection. The left end of the No. 2 limit rod is installed in the hole through the No. 2 spring, and the right end of the No. 2 limit rod is provided with a baffle; the fixed end of the extended spray boom is inserted into the rotating fixed seat, the No. 1 limit hole and the No. 2 limit hole are aligned, and fixed with a fixing bolt. The fixed end of the extended spray boom is inserted into the transverse limit plate. When the spraying end of the extended spray boom encounters branches or other obstacles during the spraying process, the fixed end presses the No. 2 limit rod to move to the right, so that the spraying end of the extended spray boom can rotate to a certain angle, reducing the probability of equipment damage and improving the protection, safety and practicality of the equipment.

[0011] Preferably, the vertical mounting seat includes a mounting slot, a No. 1 limit rod and a No. 1 spring, the mounting slot is arranged on the right end surface of the frame, a circular hole is arranged at the bottom end of the mounting slot, a No. 1 limit rod is arranged inside the mounting slot, a fixing claw is arranged at the right end of the No. 1 limit rod, the left end of the No. 1 limit rod is in the circular hole of the mounting slot, and the left end of the No. 1 limit rod is connected to the No. 1 spring; the movable spray boom is inserted into the fixing claw of the No. 1 limit rod, and when the upper part of the movable spray boom encounters branches or other obstacles, the lower part of the movable spray boom pushes the No. 1 spring to the left, and the upper part of the movable spray boom rotates a certain angle, thereby reducing the probability of branches damaging the equipment during spraying, and improving the protection, safety and practicality of the equipment.

[0012] Compared with the existing technology, the beneficial effects of the present invention are: the equipment is supported and moved by the vehicle body, a large amount of medicine is stored through the stirring system, and the frequency of adding medicine is reduced; the medicine is pressurized by the pressurized diversion system and automatically sprayed in conjunction with the automatic spraying system; by extending the spray rod and cooperating with the vertical mounting seat or the horizontal mounting seat, the spraying area is increased, the spraying method is changed, and it is adapted to different spraying environments; the adaptability, portability and practicality of the equipment are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the first cross-section axonometric structure of the present invention;

[0014] Figure 2 It is a right side structural schematic diagram of the present utility model;

[0015] Figure 3 It is a schematic diagram of the bottom structure of the utility model;

[0016] Figure 4 This is an axonometric structural diagram of the present utility model;

[0017] Figure 5 This is a schematic diagram of the second cross-section axonometric structure of the present invention;

[0018] Figure 6 This is a schematic diagram of the cross-sectional structure of the vertical mounting base of the utility model;

[0019] Figure 7 This is a schematic diagram of the cross-sectional structure of the horizontal mounting seat of the utility model;

[0020] Figure 8 This is a schematic diagram of the axonometric structure of the extended spray boom of the present utility model;

[0021] The following are marked: 1. Vehicle body; 2. Mixing system; 3. Pressurized diversion system; 4. Automatic spraying system; 5. Vertical mounting base; 6. Horizontal mounting base; 7. Extended spray bar; 11. Vehicle frame; 12. Crossbeam; 13. Leaf spring; 14. Support beam; 15. Wheel; 16. Protective pier; 17. Towing hook; 21. Chemical tank; 22. Motor; 23. Reducer; 24. Mixing fan; 25. Battery; 3 1. Water pump; 32. High-pressure water pipe; 33. Four-way water distribution box; 34. Water valve; 35. Quick connector; 41. Fixed spray boom; 43. Atomizing nozzle; 51. Mounting slot; 52. Limit rod No. 1; 53. Spring No. 1; 61. Rotating fixed seat; 62. Limit hole No. 1; 63. Rotating shaft; 64. Horizontal limit plate; 65. Limit rod No. 2; 66. Spring No. 2; 71. Movable spray boom; 74. Limit hole No. 2. DETAILED DESCRIPTION

[0022] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0023] The utility model discloses a herbicide spraying device for inter-row herbicides for dwarfing densely planted apple trees, comprising a drug box 21, a battery 25, a water pump 31, a movable spray bar 71, and an atomizing nozzle 43. The battery 25 is mounted on the upper end of the drug box 21, the water pump 31 is mounted on the upper end of the drug box 21, and the input end of the water pump 31 is connected to the interior of the drug box 21. The output end of the water pump 31 is connected to the movable spray bar 71 via mechanical parts. The movable spray bar 71 is provided with a plurality of atomizing nozzles 43. The utility model also includes: a body 1, a stirring system 2, a pressurized diversion system 3, an automatic spraying system 4, two vertical mounting seats 5, two horizontal mounting seats 6, and two extended spray bars 7. The body 1 provides support and mobility for the device. The stirring system 2 is mounted on the body 1, and the stirring system 2 stores and stirs the drug solution. The pressurized diversion system 3 is installed on the mixing system 2, and the pressurized diversion system 3 pressurizes and transports the medicine; the automatic spraying system 4 is installed on the vehicle body 1, and the automatic spraying system 4 sprays the medicine; the vertical mounting seat 5 and the horizontal mounting seat 6 are both installed on the vehicle body 1, and the extended spray rod 7 can be installed on the vertical mounting seat 5 or the horizontal mounting seat 6 to increase the spraying area; the vehicle body 1 includes a frame 11, two leaf springs 13, a support beam 14 and two wheels 15. A plurality of cross beams 12 are provided in the middle of the frame 11, a traction hook 17 is provided at the left end of the cross beam 12, and two protective piers 16 are provided at the lower end of the left part of the cross beam 12. Two leaf springs 13 are installed at the lower end of the frame 11, and the lower ends of the two leaf springs 13 are connected to the support beam 14. The front and rear ends of the support beam 14 are connected to the two wheels 15. Connection; the stirring system 2 includes a medicine box 21, a motor 22, a reducer 23, a stirring fan 24 and a battery 25. The medicine box 21 is installed at the upper end of the multiple beams 12, and the motor 22 and the reducer 23 are both installed on the upper end surface of the medicine box 21. The output end of the motor 22 is connected to the input end of the reducer 23, and the output end of the reducer 23 is connected to the stirring fan 24. The battery 25 provides power for the equipment; the pressurized diversion system 3 includes a water pump 31, a high-pressure water pipe 32, a four-way water distribution box 33 and a quick connector 35. The water pump 31 is installed at the upper end of the medicine box 21, and the input end of the water pump 31 is connected to the medicine box 21 and extends to the bottom end of the inside of the medicine box 21. The four-way water distribution box 33 is installed on the right end surface of the medicine box 21. The input end of the four-way water distribution box 33 is connected to The output end of the water pump 31 is connected through a high-pressure water pipe 32, and the left and right sides and lower ends of the four-way water distribution box 33 are respectively provided with liquid outlets, each of which is provided with a water valve 34, and a quick connector 35 is installed at the end of the liquid outlet; the automatic spray system 4 includes a fixed spray rod 41, an atomizing nozzle 43 and a quick connector 35, the fixed spray rod 41 is installed at the right end of the frame 11, the upper end surface of the fixed spray rod 41 is provided with a quick connector 35, and the lower end surface of the fixed spray rod 41 is provided with multiple atomizing nozzles 43; the extended spray rod 7 includes a movable spray rod 71, a quick connector 35, a No. 2 limiting hole 74 and an atomizing nozzle 43, the movable spray rod 71 is provided with a No. 2 limiting hole 74, and the movable spray rod 71 is provided with a quick connector 35 and multiple atomizing nozzles 43 on the plane where the two ends of the No. 2 limiting hole 74 are located;The horizontal mounting seat 6 includes a rotating fixed seat 61, a rotating shaft 63, a transverse limiting plate 64, a second limiting rod 65 and a second spring 66. The bottom of the rotating fixed seat 61 is mounted on the upper end surface of the fixed spray rod 41 through the rotating shaft 63. The upper end surface of the rotating fixed seat 61 is provided with a first limiting hole 62. The rear side of the rotating fixed seat 61 is provided with a transverse limiting plate 64. The left end of the rotating fixed seat 61 is connected to the right end of the beam 12 and a hole is opened at the connection. The left end of the second limiting rod 65 is connected to the right end of the beam 12 and a hole is opened at the connection. 6 is installed in the hole, and a baffle is provided at the right end of the second limiting rod 65; the vertical mounting base 5 includes a mounting slot 51, a first limiting rod 52, and a first spring 53. The mounting slot 51 is provided on the right end surface of the vehicle frame 11, and a circular hole is provided at the bottom end of the mounting slot 51. The first limiting rod 52 is provided inside the mounting slot 51, and a fixing claw is provided at the right end of the first limiting rod 52. The left end of the first limiting rod 52 is in the circular hole of the mounting slot 51, and the left end of the first limiting rod 52 is connected to the first spring 53.

[0024] like Figures 1 to 8 As shown, the utility model is a dwarf densely planted apple tree inter-row herbicide spraying equipment. When it is working, the external power is first connected to the traction hook 17, and then the motor 22 is turned on. The motor 22 rotates the stirring fan 24 through the reducer 23 to evenly stir the agent in the agent box 21. Then, the fixed ends of the two movable spray rods 71 ​​are respectively inserted into the two rotating fixed seats 61, and the No. 1 limiting hole 62 and the No. 2 limiting hole 74 are aligned and fixed with fixing bolts, or the fixed ends of the two movable spray rods 71 ​​are respectively inserted into the two mounting grooves 51, and then the four-way water distribution box 33 is connected to the movable spray rod 71 through the quick connector 35 with a high-pressure water pipe 32, and then the three water valves 34 are opened, and then the water pump 31 is turned on. The water pump 31 pressurizes the agent and transports it to the atomizing nozzle 43 and then sprays it out.

[0025] The utility model is a dwarfing and densely planted apple tree inter-row herbicide spraying device, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as it can achieve its beneficial effects; the utility model is a dwarfing and densely planted apple tree inter-row herbicide spraying device, and the motor 22, reducer 23, water pump 31, water valve 34, quick connector 35, atomizing nozzle 43, leaf spring 13, wheel 15, and battery 25 are purchased on the market. Technical personnel in this industry only need to install and operate it according to the accompanying instruction manual, and technical personnel in this field do not need to pay creative labor.

[0026] All technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended solely for the purpose of describing specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A herbicide spraying device for inter-row herbicides of dwarfed densely planted apple trees, comprising a drug box (21), a battery (25), a water pump (31), a movable spray bar (71) and an atomizing nozzle (43), wherein the battery (25) is mounted on the upper end of the drug box (21), the water pump (31) is mounted on the upper end of the drug box (21) and the input end of the water pump (31) is connected to the interior of the drug box (21), the output end of the water pump (31) is connected to the movable spray bar (71) through mechanical parts, and a plurality of atomizing nozzles (43) are provided on the movable spray bar (71); characterized in that Also includes: The vehicle body (1), the stirring system (2), the pressurized diversion system (3), the automatic spraying system (4), two vertical mounting seats (5), two horizontal mounting seats (6) and two extended spraying rods (7), wherein the vehicle body (1) provides support and mobility for the equipment; the stirring system (2) is mounted on the vehicle body (1), and the stirring system (2) stores and stirs the liquid medicine; the pressurized diversion system (3) is mounted on the stirring system (2), and the pressurized diversion system (3) pressurizes and transports the liquid medicine; the automatic spraying system (4) is mounted on the vehicle body (1), and the automatic spraying system (4) sprays the liquid medicine; the vertical mounting seat (5) and the horizontal mounting seat (6) are both mounted on the vehicle body (1), and the extended spraying rod (7) can be mounted on the vertical mounting seat (5) or the horizontal mounting seat (6) to increase the spraying area.

2. The herbicide spraying device for inter-row herbicides of dwarfed densely planted apple trees according to claim 1, characterized in that: The vehicle body (1) includes a vehicle frame (11), two leaf springs (13), a support beam (14) and two wheels (15). A plurality of cross beams (12) are provided in the middle of the vehicle frame (11). A traction hook (17) is provided at the left end of the cross beam (12). Two protective piers (16) are provided at the lower end of the left portion of the cross beam (12). Two leaf springs (13) are installed at the lower end of the vehicle frame (11). The lower ends of the two leaf springs (13) are connected to the support beam (14). The front and rear ends of the support beam (14) are connected to the two wheels (15).

3. The herbicide spraying device for inter-row herbicides of dwarfed densely planted apple trees according to claim 2, characterized in that: The stirring system (2) includes a medicine box (21), a motor (22), a reducer (23), a stirring fan (24) and a battery (25). The medicine box (21) is installed on the upper end of the plurality of beams (12). The motor (22) and the reducer (23) are both installed on the upper end surface of the medicine box (21). The output end of the motor (22) is connected to the input end of the reducer (23), and the output end of the reducer (23) is connected to the stirring fan (24). The battery (25) provides power for the equipment.

4. The herbicide spraying device for inter-row herbicides of dwarfed densely planted apple trees according to claim 3, characterized in that: The pressurized diversion system (3) includes a water pump (31), a high-pressure water pipe (32), a four-way water diversion box (33) and a quick connector (35). The water pump (31) is installed at the upper end of the medicine box (21). The input end of the water pump (31) is connected to the medicine box (21) and extends to the bottom end of the medicine box (21). The four-way water diversion box (33) is installed on the right end surface of the medicine box (21). The input end of the four-way water diversion box (33) is connected to the output end of the water pump (31) through the high-pressure water pipe (32). The left, right and lower ends of the four-way water diversion box (33) are respectively provided with liquid outlets, each of which is provided with a water valve (34). A quick connector (35) is installed at the end of the liquid outlet.

5. The herbicide spraying device for inter-row herbicides of dwarfed densely planted apple trees according to claim 4, characterized in that: The automatic spraying system (4) includes a fixed spraying rod (41), an atomizing nozzle (43) and a quick connector (35). The fixed spraying rod (41) is installed at the right end of the vehicle frame (11). The quick connector (35) is installed on the upper end surface of the fixed spraying rod (41). A plurality of atomizing nozzles (43) are provided on the lower end surface of the fixed spraying rod (41).

6. The herbicide spraying device for inter-row herbicides of dwarfed densely planted apple trees according to claim 5, characterized in that: The extended spray rod (7) includes a movable spray rod (71), a quick connector (35), a second limiting hole (74) and an atomizing nozzle (43). The movable spray rod (71) is provided with a second limiting hole (74). The movable spray rod (71) is provided with a quick connector (35) and a plurality of atomizing nozzles (43) on the planes at both ends of the second limiting hole (74).

7. The herbicide spraying device for inter-row herbicides of dwarfed densely planted apple trees according to claim 6, characterized in that: The horizontal mounting seat (6) includes a rotating fixed seat (61), a rotating shaft (63), a transverse limiting plate (64), a No. 2 limiting rod (65) and a No. 2 spring (66). The bottom of the rotating fixed seat (61) is mounted on the upper end surface of the fixed spray rod (41) through the rotating shaft (63). The upper end surface of the rotating fixed seat (61) is provided with a No. 1 limiting hole (62). The rear side of the rotating fixed seat (61) is provided with a transverse limiting plate (64). The left end of the rotating fixed seat (61) is connected to the right end of the beam (12) and a hole is opened at the connection. The left end of the No. 2 limiting rod (65) is installed in the hole through the No. 2 spring (66). The right end of the No. 2 limiting rod (65) is provided with a baffle.

8. The herbicide spraying device for inter-row herbicides of dwarfed densely planted apple trees according to claim 7, characterized in that: The vertical mounting seat (5) includes a mounting groove (51), a No. 1 limiting rod (52) and a No. 1 spring (53), the mounting groove (51) is arranged on the right end surface of the vehicle frame (11), a circular hole is arranged at the bottom end of the mounting groove (51), a No. 1 limiting rod (52) is arranged inside the mounting groove (51), a fixing claw is arranged at the right end of the No. 1 limiting rod (52), the left end of the No. 1 limiting rod (52) is in the circular hole of the mounting groove (51), and the left end of the No. 1 limiting rod (52) is connected to the No. 1 spring (53).

Images