Degenerated grassland root cutting, sowing and fertilizing combined machine

Abstract

The invention belongs to the field of agriculture and animal husbandry machinery application, and particularly relates to a degenerated grassland root cutting, sowing and fertilizing combined machine. The whole machine is mainly composed of a front transmission device, a traction frame, a spring buffer limiter, a steering device, a steering bearing, a rack, a rear transmission device, a root cutting device, a land wheel driving device, a ditching device, a pressing device, a walking system, a lifting oil cylinder, a watering device, a water tank, a pneumatic type seed metering device, a pneumatic type fertilizer metering device, a seed pipe, a fertilizer pipe, a counterweight platform, a seed and fertilizer box, a central seed metering device and a branch pipe. The invention relates to a double-pneumatic parallel type central seed and fertilizer metering device which is composed of an air blowing pipe, a left side motor fan, a right side motor fan, a ladder, a supporting pedal, an oil pipe, a double-row hydraulic pump and a locking device, has multiple combined operation modes of root cutting, ditching, seeding, fertilizer applying, pressing and water supplementing, and can realize low disturbance, longitudinal and transverse root cutting and ditching, double-pneumatic parallel type central seed and fertilizer metering and automatic water quantity adjusting and water supplementing; the walking and operation height functions are safely locked, and the grassland improvement operation efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the field of agricultural and animal husbandry machinery applications, and in particular relates to a combined operation machine for root cutting, sowing and fertilizing of degraded grasslands. Background Art

[0002] my country is one of the countries with the richest grassland resources in the world, with a total grassland area of ​​nearly 400 million hectares, accounting for 40% of the country's total land area and three times the current cultivated land area. Due to long-term lack of rest, overgrazing, livestock trampling and gnawing, and the influence of climatic factors, the natural grassland soil has become compacted and degraded. At the same time, the powerful underground horizontal root system of perennial forage grasses has reduced the permeability of the soil, and also affected the physical and chemical properties of the soil and the effective fertility of the soil, making the overall condition of the vegetation worse, and weakening the ability to resist environmental changes. The soil has become compacted, fertility has weakened, salinization, and desertification. Therefore, the turf is cut, sown, fertilized, and watered without destroying or less destroying the original vegetation of the grassland, thereby promoting the rejuvenation of the grassland itself, promoting the restoration of the grassland ecology and improving productivity.

[0003] In the prior art, grassland improvement machinery has the problem of large soil disturbance during the root cutting process of forage grass, which destroys the original vegetation of the grassland, and the root cutting, ditching, sowing, fertilizing, pressing, watering and other processes cannot be performed simultaneously, and the operation method is single, the grassland improvement effect is limited, and the efficiency is low. Therefore, there is a need for a combined operation machine for root cutting, sowing, fertilizing and watering with little disturbance to the grassland soil, so as to improve the efficiency of grassland improvement operations. Summary of the invention

[0004] In order to solve the problems existing in the above-mentioned prior art, the purpose of the present invention is to provide a degraded grassland root cutting, sowing and fertilizing combined operation machine which has little disturbance to the grassland soil and can realize multiple functions such as root cutting, trenching, sowing, fertilizing, suppression and water replenishment.

[0005] The objective of the present invention is achieved through the following technical solutions:

[0006] A combined operation machine for root cutting, sowing and fertilizing in degraded grasslands, the whole machine mainly consists of a front transmission device, a traction frame, a spring buffer limiter, a steering device, a steering bearing, a frame, a rear transmission device, a root cutting device, a ground wheel driving device, a ditching device, a pressing device, a walking system, a lifting cylinder, a sprinkler device, a water tank, a pneumatic seeding device, a pneumatic fertilizer discharging device, a seed pipe, a fertilizer pipe, a counterweight platform, a seed fertilizer box, a central seeding device, a branch pipe, a blow pipe, a left motor fan, a right motor fan, a ladder, a support pedal, an oil pipe, a double-row hydraulic The machine is composed of a pump and a locking device, characterized in that one end of the spring buffer limiter is connected to the traction frame, and the other end is connected to the steering device; the upper part of the steering device is connected to the frame through a steering bearing, and the bottom of the steering device is connected to the traction frame and the walking system; the root cutting device, the ditching device, and the pressing device are respectively connected to the bottom of the frame; the ground wheel driving device is connected to the left side of the frame, and the ground wheel driving device is connected to the central seed metering device through the rear transmission device, one end of the central seed metering device is connected to the outlet below the seed and fertilizer box, and the other end is connected to the branch pipe; the support pedal is connected to the frame The front part; the ladder is installed on the frame and the support pedal; the seed fertilizer box is installed on the frame; the front transmission device is connected to the double-row hydraulic pump, and the double-row hydraulic pump is connected to the left motor fan and the right motor fan through the oil pipe; the left motor fan is connected to the left rear of the support pedal, the left motor fan outlet is connected to one end of the blowing pipe, the other end of the blowing pipe is connected to one end of the branch pipe, the other end of the branch pipe is connected to the pneumatic seeding device, the pneumatic seeding device is connected to one end of the seed pipe, and the other end of the seed pipe is connected to the seeding port on the furrowing device; the right motor fan is connected to To the right rear of the support pedal, the right motor fan outlet is connected to one end of the blowing pipe, the other end of the blowing pipe is connected to one end of the branch pipe, the other end of the branch pipe is connected to the pneumatic fertilizer discharge device, the pneumatic fertilizer discharge device is connected to one end of the fertilizer pipe, and the other end of the fertilizer pipe is connected to the fertilizer discharge port on the ditching device; the water tank is installed on the upper rear of the frame, the water outlet of the water tank is connected to one end of the sprinkler device, and the other end of the sprinkler device is connected to the drainage port on the suppression device; the counterweight platform is installed on the frame; the lifting cylinder is connected to the frame and the walking system; the locking device is connected to the lower rear of the frame.

[0007] The spring buffer limiter is mainly composed of a pull rod head, a pull rod, a nut, a sleeve, a gasket, a pin, a cotter pin, a sleeve connector, a spring guide sleeve and a spring. It is characterized in that a spring guide sleeve is welded on the outer surface close to the pull rod end, and springs are installed on both sides of the spring guide sleeve; the threaded end of the pull rod passes through one side of the sleeve and is connected to the nut, and one end of the nut coincides with the sleeve end plate; the threaded end of the pull rod is connected to the pull rod head; the sleeve connector passes through the other side of the sleeve and contacts with the spring; the pin passes through the cylindrical surface of the sleeve and is connected to the sleeve connector, and a gasket and a cotter pin are installed on one end of the pin.

[0008] The sprinkler device is mainly composed of a water valve, a flexible joint, an elbow, a thread head, a sprinkler main pipe, a sprinkler main pipe plug, a solenoid valve, a hose, a short pipe, a long pipe, and a branch pipe. It is characterized in that the elbow, the water valve, and the flexible joint are connected by a short pipe and a long pipe; one end of the elbow is connected to one end of the thread head, and the other end of the thread head is welded to the sprinkler main pipe, and sprinkler main pipe plugs are installed on both sides of the sprinkler main pipe; one end of the solenoid valve is installed in parallel on the sprinkler main pipe through a branch pipe, and the other end of the solenoid valve is connected to the hose through the branch pipe.

[0009] The locking device is mainly composed of a connecting plate, a rack 1, a box, a bearing seat, a rack 2, a positioning pin 1, a positioning pin orientation plate, a rack 3, a positioning pin 2, a spacer 1, a gear shaft, a bearing, a gear 1, a gear 2, and a spacer 2. The locking device is characterized in that the rack 1 penetrates from the front side plate of the box and comes out from the rear side plate of the box with the forward direction of the machine as the front, and meshes with the gear 1 inside the box, and the connecting plates are symmetrically welded on both sides of the end of the rack 1; the rack 2 penetrates from the left side plate of the box and comes out from the right side plate of the box, and meshes with the gear 2 inside the box, and one end of the rack 2 The edge of the rack 3 and one end of the locating pin 2 are respectively welded on the locating pin directional plate; the rack 3 passes through the right side plate of the box and out of the left side plate of the box, and meshes with the gear 2 inside the box, and the edge of one end of the rack 3 and one end of the locating pin 1 are respectively welded on the locating pin directional plate; the locating pin 1 and the locating pin 2 remain coaxial; gear 1 and gear 2 are installed on the gear shaft, spacer 1 is installed between gear 1 and gear 2, bearings are installed at both ends of the gear shaft, spacer 2 is installed between gear 2 and the bearing, bearing seats are respectively installed at one end of the bearing, and the bearing seats are fixed on the box.

[0010] The beneficial effects of the present invention are: a combined operation machine for root cutting, sowing and fertilizing in degraded grasslands, characterized in that one end of the spring buffer limiter is connected to the traction frame, and the other end is connected to the steering device, which prevents the traction frame from shaking up and down. The upper part of the steering device is connected to the frame through a steering bearing, and the bottom of the steering device is connected to the traction frame and the walking system to achieve flexible steering of the machine. The root cutting device, the ditching device, and the suppression device are respectively connected to the bottom of the frame to achieve low-disturbance longitudinal stubble cutting and root cutting, horizontal root cutting and ditching, and suppression after sowing and fertilizing. The ground wheel drive device is connected to the left side of the frame, and the ground wheel drive device is connected to the central seed metering device through the rear transmission device to provide power for the central seed metering device. The support pedal is connected to the front of the frame; the ladder is installed on the frame and the support pedal to facilitate adding seeds and fertilizers and inspecting the machine. The front transmission device is connected to a double-row hydraulic pump, and the double-row hydraulic pump is connected to a left motor fan and a right motor fan through an oil pipe; the left motor fan is connected to the left rear of the support pedal, the left motor fan outlet is connected to one end of a blowing pipe, the other end of the blowing pipe is connected to one end of a branch pipe, the other end of the branch pipe is connected to a pneumatic seeding device, one end of a seed pipe is connected to the pneumatic seeding device, and the other end of the seed pipe is connected to a seeding port on a furrowing device; the right motor fan is connected to the right rear of the support pedal, the right motor fan outlet is connected to one end of a blowing pipe, the other end of the blowing pipe is connected to one end of a branch pipe, the other end of the branch pipe is connected to a pneumatic fertilizer discharge device, one end of a fertilizer pipe is connected to the pneumatic fertilizer discharge device, and the other end of the fertilizer pipe is connected to the fertilizer discharge port on the furrowing device, thereby realizing dual-pneumatic parallel central seeding and fertilizing operations. The water tank is installed on the upper rear of the frame. The water outlet of the water tank is connected to one end of the sprinkler, and the other end of the sprinkler is connected to the drain on the suppression device, so that timely water replenishment can be achieved after sowing, fertilization and suppression. The total water volume is adjusted through the water valve on the sprinkler; one end of the solenoid valve is installed in parallel on the sprinkler main pipe through a branch pipe, and the other end of the solenoid valve is connected to the hose through a branch pipe. Through electrical control, the water volume of each row is adjusted. The lifting cylinder is connected to the frame and the walking system to control the walking and working height of the machine. The locking device is connected to the lower rear of the frame to play a role in safety locking for the walking and working height. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the front view of the present invention.

[0012] Figure 2 It is a top view of the present invention.

[0013] Figure 3 It is the right side view of the present invention.

[0014] Figure 4 It is the front view of the spring buffer limiter of the present invention.

[0015] Figure 5 It is a partial cross-sectional view of the top view of the spring buffer limiter of the present invention.

[0016] Figure 6 It is a front view of the sprinkler device of the present invention.

[0017] Figure 7 It is a top view of the sprinkler device of the present invention.

[0018] Figure 8 It is the left side view of the sprinkler device of the present invention.

[0019] Fig. 9 It is a front view of the locking device of the present invention.

[0020] Fig.10 It is a cross-sectional view of the locking device AA of the present invention.

[0021] The codes and names of the parts in the figure are as follows: 1. front transmission device, 2. traction frame, 3. spring buffer limiter, 4. steering device, 5. steering bearing, 6. frame, 7. rear transmission device, 8. root cutting device, 9. ground wheel drive device, 10. trenching device, 11. suppression device, 12. walking system, 13. lifting cylinder, 14. sprinkler, 15. water tank, 16. pneumatic seeding device, 17. pneumatic Fertilizer discharge device, 18, seed tube, 19, fertilizer tube, 20, counterweight platform, 21, seed fertilizer box, 22, central seed discharger, 23, branch pipe, 24, air blower, 25, left motor fan, 26, right motor fan, 27, ladder, 28, support pedal, 29, oil pipe, 30, double-row hydraulic pump, 31, locking device, 3-1, pull rod head, 3-2, pull rod, 3-3, nut, 3-4, sleeve, 3-5, Gasket, 3-6, pin, 3-7, cotter pin, 3-8, sleeve connector, 3-9, spring guide sleeve, 3-10, spring, 14-1, water valve, 14-2, union, 14-3, elbow, 14-4, thread head, 14-5, sprinkler main pipe, 14-6, sprinkler main pipe plug, 14-7, solenoid valve, 14-8, hose, 14-9, short pipe, 14-10, long pipe, 14-11, branch pipe, 31-1, connecting plate, 31-2, rack 1, 31-3, box, 31-4, bearing seat, 31-5, rack 2, 31-6, locating pin 1, 31-7, locating pin directional plate, 31-8, rack 3, 31-9, locating pin 2, 31-10, spacer 1, 31-11, gear shaft, 31-12, bearing, 31-13, gear 1, 31-14, gear 2, 31-15, spacer 2. DETAILED DESCRIPTION

[0022] The present invention will be further described according to the accompanying drawings:

[0023] A combined operation machine for root cutting, sowing and fertilizing in degraded grasslands, the whole machine mainly comprises a front transmission device (1), a traction frame (2), a spring buffer limiter (3), a steering device (4), a steering bearing (5), a frame (6), a rear transmission device (7), a root cutting device (8), a ground wheel driving device (9), a furrowing device (10), a pressing device (11), a walking system (12), a lifting cylinder (13), a watering device (14), a water tank (15), a pneumatic seeding device (16), a pneumatic fertilizer discharging device (17), a seed pipe (18), a fertilizer pipe (19), a counterweight platform (20), a seed fertilizer box (21), a central seeding device (22), a branch pipe (23), an air blowing pipe (24), a left horse The invention is characterized in that one end of the spring buffer limiter (3) is connected to the traction frame (2), and the other end is connected to the steering device (4); the upper part of the steering device (4) is connected to the frame (6) through the steering bearing (5), and the bottom of the steering device (4) is connected to the traction frame (2) and the walking system (12); the root cutting device (8), the trenching device (10), and the pressing device (11) are respectively connected to the bottom of the frame (6); the ground wheel driving device (9) is connected to the left side of the frame (6), and the ground wheel driving device (9) is connected to the left side of the frame (6) through the rear transmission device (7 ) is connected to the central seed metering device (22), one end of the central seed metering device (22) is connected to the outlet below the seed fertilizer box (21), and the other end is connected to the branch pipe (23); the support pedal (28) is connected to the front of the frame (6); the ladder (27) is installed on the frame (6) and the support pedal (28); the seed fertilizer box (21) is installed above the frame (6); the front transmission device (1) is connected to the double-row hydraulic pump (30), and the double-row hydraulic pump (30) is connected to the left motor fan (25) and the right motor fan (26) through the oil pipe (29); the left motor fan (25) is connected to the left rear of the support pedal (28), and the outlet of the left motor fan (25) is connected to one end of the blowing pipe (24), and the blowing pipe (24) The other end is connected to one end of the branch pipe (23), the other end of the branch pipe (23) is connected to the pneumatic seeding device (16), one end of the seeding tube (18) is connected to the pneumatic seeding device (16), the other end of the seeding tube (18) is connected to the seeding port on the furrowing device (10); the right motor fan (26) is connected to the right rear of the support pedal (28), the outlet of the right motor fan (26) is connected to one end of the blowing pipe (24), the other end of the blowing pipe (24) is connected to one end of the branch pipe (23), the other end of the branch pipe (23) is connected to the pneumatic fertilizer discharging device (17), one end of the fertilizer pipe (19) is connected to the pneumatic fertilizer discharging device (17), the other end of the fertilizer pipe (19) is connected to the fertilizer discharging port on the furrowing device (10);The water tank (15) is installed at the upper rear of the frame (6); the water outlet of the water tank (15) is connected to one end of the sprinkler (14); the other end of the sprinkler (14) is connected to the drain outlet on the suppression device (11); the counterweight platform (20) is installed on the frame (6); the lifting cylinder (13) is connected to the frame (6) and the walking system (12); the locking device (31) is connected to the lower rear of the frame (6);

[0024] The spring buffer limiter mainly consists of a pull rod head (3-1), a pull rod (3-2), a nut (3-3), a sleeve (3-4), a gasket (3-5), a pin shaft (3-6), a cotter pin (3-7), a sleeve connector (3-8), a spring guide sleeve (3-9), and a spring (3-10). The spring guide sleeve (3-9) is welded on the outer surface close to the end of the pull rod (3-2), and the springs (3-10) are installed on both sides of the spring guide sleeve (3-9) through the pull rod (3-2); the pull rod ( The threaded end of the pull rod (3-2) passes through one side of the sleeve (3-4) and is connected to the nut (3-3), and one end of the nut (3-3) overlaps with the end plate of the sleeve (3-4); the threaded end of the pull rod (3-2) is connected to the pull rod head (3-1); the sleeve connector (3-8) passes through the other side of the sleeve (3-4) and contacts the spring (3-10); the pin shaft (3-6) passes through the cylindrical surface of the sleeve (3-4) and is connected to the sleeve connector (3-8), and a gasket (3-5) and a cotter pin (3-7) are installed at one end of the pin shaft (3-6).

[0025] The sprinkler device mainly comprises a water valve (14-1), a flexible joint (14-2), an elbow (14-3), a thread head (14-4), a sprinkler main pipe (14-5), a sprinkler main pipe plug (14-6), a solenoid valve (14-7), a hose (14-8), a short pipe (14-9), a long pipe (14-10), and a branch pipe (14-11), and is characterized in that the elbow (14-3), the water valve (14-1), and the flexible joint (14-2) are connected by a short pipe (14-9) and The long tube (14-10) is connected; one end of the elbow (14-3) is connected to one end of the thread head (14-4); the other end of the thread head (14-4) is welded to the sprinkler main pipe (14-5); sprinkler main pipe plugs (14-6) are installed on both sides of the sprinkler main pipe (14-5); one end of the solenoid valve (14-7) is installed in parallel on the sprinkler main pipe (14-5) through a branch pipe (14-11); the other end of the solenoid valve (14-7) is connected to the hose (14-8) through the branch pipe (14-11).

[0026] The locking device mainly comprises a connecting plate (31-1), a rack 1 (31-2), a housing (31-3), a bearing seat (31-4), a rack 2 (31-5), a positioning pin 1 (31-6), a positioning pin orientation plate (31-7), a rack 3 (31-8), a positioning pin 2 (31-9), a spacer 1 (31-10), a gear shaft (31-11), a bearing (31-12), a gear 1 (31-13), a gear 2 (31-14), and a spacer 2 (31-15), and is characterized in that the locking device is provided with a machine The forward direction of the tool is forward, the rack 1 (31-2) penetrates from the front side plate of the box body (31-3), penetrates from the rear side plate of the box body (31-3), and meshes with the gear 1 (31-13) inside the box body (31-3), and the connecting plates (31-1) are symmetrically welded on both sides of the end of the rack 1 (31-2); the rack 2 (31-5) penetrates from the left side plate of the box body (31-3), penetrates from the right side plate of the box body (31-3), and meshes with the gear 2 (31-14) inside the box body (31-3), and the rack 2 (31-5) is symmetrically welded on both sides of the end of the rack 1 (31-2). The edge of the end of the rack 3 (31-8) and one end of the positioning pin 2 (31-9) are respectively welded on the positioning pin orientation plate (31-7); the rack 3 (31-8) penetrates from the right side plate of the box body (31-3) and passes out from the left side plate of the box body (31-3), and meshes with the gear 2 (31-14) inside the box body (31-3); the edge of one end of the rack 3 (31-8) and one end of the positioning pin 1 (31-6) are respectively welded on the positioning pin orientation plate (31-7); the positioning pin 1 (31-6) and the positioning pin 2 (31-9) remain coaxial; the gear Gear 1 (31-13) and gear 2 (31-14) are installed on the wheel shaft (31-11), a spacer sleeve 1 (31-10) is installed between gear 1 (31-13) and gear 2 (31-14), bearings (31-12) are installed at both ends of the gear shaft (31-11), a spacer sleeve 2 (31-15) is installed between gear 2 (31-14) and bearing (31-12), a bearing seat (31-4) is installed at one end of the bearing (31-12), and the bearing seat (31-4) is fixed on the box body (31-3).

Claims

1. A combined operation machine for root cutting, sowing and fertilizing in degraded grasslands, the whole machine mainly comprises a front transmission device (1), a traction frame (2), a spring buffer limiter (3), a steering device (4), a steering bearing (5), a frame (6), a rear transmission device (7), a root cutting device (8), a ground wheel driving device (9), a ditching device (10), a pressing device (11), a walking system (12), a lifting cylinder (13), a watering device (14), a water tank (15), a pneumatic seeding device (16), a pneumatic fertilizer discharging device (17), a seeding tube (18), a fertilizer tube (19), a counterweight platform (20), a seed fertilizer box (21), a central seeding device (22), a branch pipe (23), a blow pipe (24), a left motor fan (25), a right motor fan (26), a ladder (27), a support pedal (28), an oil pipe (29), a double-row hydraulic pump (30), and a locking device (31), characterized in that One end of the spring buffer limiter (3) is connected to the traction frame (2), and the other end is connected to the steering device (4); the upper part of the steering device (4) is connected to the frame (6) through the steering bearing (5), and the bottom of the steering device (4) is connected to the traction frame (2) and the walking system (12); the root cutting device (8), the furrowing device (10), and the pressing device (11) are respectively connected to the bottom of the frame (6); the ground wheel driving device (9) is connected to the left side of the frame (6), and the ground wheel driving device (9) is connected to the central seed metering device (22) through the rear transmission device (7), and one end of the central seed metering device (22) The support pedal (28) is connected to the front of the frame (6); the ladder (27) is installed on the frame (6) and the support pedal (28); the seed fertilizer box (21) is installed on the frame (6); the front transmission device (1) is connected to the double-row hydraulic pump (30), and the double-row hydraulic pump (30) is connected to the left motor fan (25) and the right motor fan (26) through the oil pipe (29); the left motor fan (25) is connected to the left rear of the support pedal (28), and the outlet of the left motor fan (25) is connected to the blower The right side motor fan (26) is connected to the right rear of the support pedal (28), the outlet of the right side motor fan (26) is connected to one end of the blow pipe (24), the other end of the blow pipe (24) is connected to one end of the branch pipe (23), the other end of the branch pipe (23) is connected to the pneumatic seeding device (16), the pneumatic seeding device (16) is connected to one end of the seeding pipe (18), the other end of the seeding pipe (18) is connected to the seeding port on the furrowing device (10); the right side motor fan (26) is connected to the right rear of the support pedal (28), the outlet of the right side motor fan (26) is connected to one end of the blow pipe (24), the other end of the blow pipe (24) is connected to one end of the branch pipe (23), the other end of the branch pipe (23) is connected to the pneumatic fertilizer discharger (16) The pneumatic fertilizer discharge device (17) is connected to one end of a fertilizer pipe (19), and the other end of the fertilizer pipe (19) is connected to a fertilizer discharge port on a ditching device (10); a water tank (15) is installed on the upper rear of the frame (6), the water outlet of the water tank (15) is connected to one end of a sprinkler device (14), and the other end of the sprinkler device (14) is connected to a drainage port on a suppression device (11); a counterweight platform (20) is installed on the frame (6); a lifting cylinder (13) is connected to the frame (6) and a walking system (12); and a locking device (31) is connected to the lower rear of the frame (6).

2. The spring buffer limiter (3) according to claim 1 is mainly composed of a pull rod head (3-1), a pull rod (3-2), a nut (3-3), a sleeve (3-4), a gasket (3-5), a pin (3-6), a cotter pin (3-7), a sleeve connector (3-8), a spring guide sleeve (3-9), and a spring (3-10), and is characterized in that A spring guide sleeve (3-9) is welded on the outer surface close to the end of the pull rod (3-2), and springs (3-10) are installed on both sides of the spring guide sleeve (3-9) through the pull rod (3-2); the threaded end of the pull rod (3-2) passes through one side of the sleeve (3-4) and is connected to the nut (3-3), and one end of the nut (3-3) overlaps with the end plate of the sleeve (3-4); the threaded part of the end of the pull rod (3-2) is connected to the pull rod head (3-1); the sleeve connector (3-8) passes through the other side of the sleeve (3-4) and contacts the spring (3-10); the pin shaft (3-6) passes through the cylindrical surface of the sleeve (3-4) and is connected to the sleeve connector (3-8), and a gasket (3-5) and a cotter pin (3-7) are installed on one end of the pin shaft (3-6).

3. The sprinkler device (14) according to claim 1 is mainly composed of a water valve (14-1), a flexible joint (14-2), an elbow (14-3), a thread head (14-4), a sprinkler main pipe (14-5), a sprinkler main pipe plug (14-6), a solenoid valve (14-7), a hose (14-8), a short pipe (14-9), a long pipe (14-10), and a branch pipe (14-11), characterized in that The elbow (14-3), the water valve (14-1) and the flexible joint (14-2) are connected through a short pipe (14-9) and a long pipe (14-10); one end of the elbow (14-3) is connected to one end of a thread head (14-4), the other end of the thread head (14-4) is welded to a sprinkler main pipe (14-5), and sprinkler main pipe plugs (14-6) are installed on both sides of the sprinkler main pipe (14-5); one end of a solenoid valve (14-7) is installed in parallel on the sprinkler main pipe (14-5) through a branch pipe (14-11), and the other end of the solenoid valve (14-7) is connected to a hose (14-8) through the branch pipe (14-11).

4. The locking device (31) according to claim 1 is mainly composed of a connecting plate (31-1), a rack 1 (31-2), a housing (31-3), a bearing seat (31-4), a rack 2 (31-5), a positioning pin 1 (31-6), a positioning pin orientation plate (31-7), a rack 3 (31-8), a positioning pin 2 (31-9), a spacer 1 (31-10), a gear shaft (31-11), a bearing (31-12), a gear 1 (31-13), a gear 2 (31-14), and a spacer 2 (31-15), characterized in that With the forward direction of the machine as the front, the rack 1 (31-2) penetrates from the front side plate of the box (31-3), penetrates from the rear side plate of the box (31-3), and meshes with the gear 1 (31-13) inside the box (31-3), and the connecting plates (31-1) are symmetrically welded on both sides of the end of the rack 1 (31-2); the rack 2 (31-5) penetrates from the left side plate of the box (31-3), penetrates from the right side plate of the box (31-3), and meshes with the gear 2 (31-14) inside the box (31-3), and the edge of one end of the rack 2 (31-5) and one end of the positioning pin 2 (31-9) are respectively welded on the positioning pin orientation plate (31-7); the rack 3 (31-8) penetrates from the right side plate of the box (31-3), penetrates from the left side plate of the box (31-3), and meshes with the gear 1 (31-13) inside the box (31-3). The gear 2 (31-14) is meshed with the gear 2 (31-14); the edge of one end of the rack 3 (31-8) and one end of the positioning pin 1 (31-6) are respectively welded on the positioning pin orientation plate (31-7); the positioning pin 1 (31-6) and the positioning pin 2 (31-9) are kept coaxial; the gear 1 (31-13) and the gear 2 (31-14) are installed on the gear shaft (31-11), the spacer 1 (31-10) is installed between the gear 1 (31-13) and the gear 2 (31-14), the bearings (31-12) are installed at both ends of the gear shaft (31-11), the spacer 2 (31-15) is installed between the gear 2 (31-14) and the bearing (31-12), and the bearing seats (31-4) are respectively installed on one end of the bearing (31-12), and the bearing seats (31-4) are fixed on the box body (31-3).

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