Soil remediation irrigation device for land reclamation

Abstract

This utility model discloses a soil remediation irrigation device for land consolidation, including a mounting frame. Both the front and rear sides of the lower end of the mounting frame are rotatably connected to soil-breaking shafts. A spray frame is located in the middle of the mounting frame, and a uniform spraying mechanism is also included. The uniform spraying mechanism includes gears, nozzles, a rack, a limiting wheel, a wave groove, a limiting rod, and soil-breaking components. The gears are rotatably connected to the front and rear sides of the spray frame. This soil remediation irrigation device for land consolidation, equipped with a uniform spraying mechanism, ensures that the nozzles on the front and rear sides always deflect in opposite directions during use, allowing for uniform spraying of the soil remediation agent onto the soil surface. Combined with the soil-breaking action of the two rows of soil-breaking blades, the soil in contact with the soil remediation agent can be evenly mixed with the underlying soil layer, improving soil remediation efficiency and preventing the soil in contact with the soil remediation agent from being directly exposed to the air, thus preventing the soil remediation agent from volatilizing and becoming ineffective.

Description

Technical Field

[0001] This utility model relates to the field of soil remediation technology, specifically to a soil remediation irrigation device for land consolidation. Background Technology

[0002] Land consolidation, after more than a decade of development, involves the remediation of inefficiently, irrationally, and unused land, and the restoration and utilization of land damaged by production and construction or natural disasters, with the aim of improving land utilization rates. Land consolidation prioritizes ecological protection and vigorously promotes the treatment, improvement, and restoration of abandoned, degraded, and damaged land. Among these efforts, soil remediation and the promotion of sustainable land resource utilization are crucial components. (Existing technology: Authorization Publication No. CN222030381) U's patent discloses a soil remediation irrigation device suitable for land reclamation, including a mounting plate, a protective baffle, a water tank, a sprayer, a rotating roller, and soil-turning blades. The protective baffle is fixedly connected to the left side of the mounting plate, and the water tank is fixedly connected to the upper surface of the mounting plate. A sprayer is positioned above a rectangular hole in the mounting plate. A rotating roller is rotatably connected to the inner wall of the protective baffle, and six soil-turning blades are symmetrically fixedly mounted on the surface of the rotating roller. A moving mechanism and a squeezing mechanism are also included. By installing the moving mechanism and squeezing mechanism, the sprayer can be moved back and forth, expanding the irrigation range. Simultaneously, it facilitates the quick disassembly and repair of damaged soil-turning blades, improving their maintenance performance and increasing the efficiency of land reclamation. The aforementioned soil remediation irrigation device uses three reciprocating sprayers to spray soil remediation agents, combined with the soil-turning blades to turn the soil. The current method involves soil remediation agents contacting the soil to achieve irrigation and remediation. However, during operation, the three sprayers have a certain travel distance as they move forward. Therefore, when the three sprayers move to the right, the soil remediation agent cannot be sprayed onto the soil on the left side, and when they move to the left, it cannot be sprayed onto the soil on the right side. Furthermore, the soil-turning blades are only located at the front of the equipment. After the soil is turned over and sprayed with the soil remediation agent, the soil in contact with the agent remains on the surface, preventing it from mixing evenly with the underlying soil layer. Additionally, the soil in contact with the agent is directly exposed to the air, making the agent prone to volatilization and ineffectiveness. Therefore, we propose a soil remediation irrigation device for land consolidation. Utility Model Content

[0003] The technical problem this invention aims to solve is to overcome existing defects and provide a soil remediation irrigation device for land consolidation. This device features a uniform spraying mechanism, with nozzles on both the front and rear sides always deflected in opposite directions during use. This allows for the uniform spraying of soil remediation agent onto the soil surface. Combined with the soil-breaking action of two rows of front and rear blades, the soil in contact with the remediation agent is evenly mixed with the underlying soil layer. This improves soil remediation efficiency and prevents the soil in contact with the remediation agent from being directly exposed to the air, thus avoiding the agent's volatilization and ineffectiveness. This effectively solves the problems in the prior art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a soil remediation irrigation device for land consolidation, comprising a mounting frame, wherein the front and rear sides of the lower end of the mounting frame are rotatably connected to a soil breaking shaft, a spray frame is provided in the middle of the mounting frame, and a uniform spraying mechanism is also included.

[0005] Uniform spraying mechanism: It includes gears, nozzles, rack plates, limiting wheels, corrugated grooves, limiting rods, and soil-breaking components. The gears are rotatably connected to the front and rear sides inside the spray frame. The nozzles are all located on the lower end of the outer surface of the gears. The rack plates are slidably connected to the front and rear sides in the middle of the mounting frame. The rack plates are all meshed with the vertically adjacent gears. Rotatable limiting wheels are provided at both ends of the upper rear side of the mounting frame. Corrugated grooves are formed on the outer surface of the limiting wheels. Limiting rods are all located at the rear end of the rack plates. The rear end of the outer surface of the limiting rods is... The inner wall of the longitudinally adjacent corrugated trough is slidably connected, providing a basis for the left and right deflection of the nozzle. The soil breaking component is set at the lower end of the mounting frame and is equipped with a uniform spraying mechanism. During use, the nozzles on the front and rear sides always deflect in opposite directions, which can evenly spray and irrigate the soil remediation agent on the soil surface. With the soil breaking of the front and rear two rows of soil breaking blades, the soil in contact with the soil remediation agent can be evenly mixed with the soil layer below, which not only improves the soil remediation efficiency, but also avoids the soil in contact with the soil remediation agent being directly exposed to the air, which would cause the soil remediation agent to volatilize and become ineffective.

[0006] Furthermore, the two limiting wheels and the wave groove are symmetrically distributed, and the limiting rods are slidably connected to the rear end of the inner wall of the mounting bracket through the sliding column. The rear right end of the front rack plate is fixedly connected to the front end of the right limiting rod, and the rear left end of the rear rack plate is fixedly connected to the front end of the left limiting rod, providing a basis for the opposite deflection of the front and rear sets of nozzles.

[0007] Furthermore, the soil-breaking assembly includes a cutter head and soil-breaking blades. The cutter heads are fixedly sleeved on the outer surface of the soil-breaking shaft. The cutter heads on the front and rear sides are laterally staggered. The soil-breaking blades are respectively arranged on the left and right sides of the cutter head. The soil-breaking blades are arranged in a circular array with the axis of the soil-breaking shaft as the center, providing a basis for soil turning.

[0008] Furthermore, the soil-breaking assembly also includes a first sprocket, a second sprocket, and a connecting shaft. The right end of each soil-breaking shaft is provided with a first sprocket. Two longitudinally adjacent first sprockets are connected by a first chain for transmission. The connecting shaft is rotatably connected to the upper rear side of the mounting frame. The inner walls of the limiting wheels are fixedly connected to the outer surface of the connecting shaft. The second sprocket is located at the right end of the connecting shaft. The second sprocket is connected to the vertically adjacent first sprocket by a second chain for transmission, providing a transmission effect for soil turning.

[0009] Furthermore, it also includes a leveling frame and leveling teeth. The leveling frame is located at the lower rear end of the mounting frame, and the leveling teeth are evenly distributed at the lower end of the leveling frame. The longitudinally adjacent leveling teeth are all distributed in a transversely staggered manner, providing a foundation for leveling the soil.

[0010] Furthermore, it also includes a gearbox and a drive shaft. The gearbox is located at the front of the upper middle part of the mounting frame, and the drive shaft is located at the front of the upper end of the mounting frame. The output shaft of the gearbox is fixedly connected to the middle of the outer surface of the drive shaft. Both the drive shaft and the front earth-breaking shaft are equipped with sprockets at their right ends. The two sprockets are connected by a chain to provide a stable driving effect for the equipment.

[0011] Furthermore, it also includes a first connecting frame and a second connecting frame. The first connecting frame is respectively located on the left and right sides of the upper end of the mounting frame, and the second connecting frame is located in the middle of the front side of the upper end of the mounting frame. The front end of both the first connecting frame and the second connecting frame is provided with a pin hole to facilitate connection with an external tractor.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This soil remediation irrigation device for land consolidation has the following advantages:

[0013] 1. The spray head deflects due to the meshing of the rack and pinion plates and gears. The symmetrically distributed wave grooves allow the two limit rods to move inward and outward simultaneously, thereby driving the corresponding rack plates to move. This ensures that the two sets of spray heads always deflect in opposite directions, allowing the soil remediation agent to be sprayed and irrigated evenly on the soil surface, thus initially improving the efficiency of soil spray irrigation remediation.

[0014] 2. The soil-breaking blade on the front side can open trenches in the soil, increasing the contact area between the soil and the soil remediation agent. The soil-breaking blade on the rear side can fill the previously opened trenches. With the help of the leveling frame and the leveling teeth, the soil remediation agent is evenly distributed in the soil. At the same time, it avoids the soil remediation agent being exposed to the air and volatilizing, further improving the efficiency of soil sprinkler irrigation remediation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2This is a schematic cross-sectional view of the uniform spraying mechanism of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the soil-breaking component of this utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the gear and rack plate of this utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the spray frame of this utility model;

[0020] Figure 6 This is a schematic diagram of the flattening frame and flattening teeth structure of this utility model.

[0021] In the diagram: 1. Mounting frame, 2. Soil-breaking shaft, 3. Spraying frame, 4. Uniform spraying mechanism, 41. Gear, 42. Nozzle, 43. Rack plate, 44. Limiting wheel, 45. Wave groove, 46. Limiting rod, 47. Soil-breaking component, 471. Sprocket one, 472. Sprocket two, 473. Connecting shaft, 474. Cutter disc, 475. Soil-breaking blade, 5. Leveling frame, 6. Leveling gear, 7. Gearbox, 8. Drive shaft, 9. Sprocket three, 10. Connecting frame one, 11. Connecting frame two. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-6This embodiment provides a technical solution: a soil remediation irrigation device for land consolidation, including a mounting frame 1. Both the front and rear sides of the lower end of the mounting frame 1 are rotatably connected to a soil-breaking shaft 2. A spray frame 3 is located in the middle of the mounting frame 1. It also includes a uniform spraying mechanism 4, a leveling frame 5, and leveling teeth 6. The leveling frame 5 is located at the lower rear end of the mounting frame 1, and the leveling teeth 6 are evenly distributed at the lower end of the leveling frame 5. Longitudinal adjacent leveling teeth 6 are laterally staggered. The leveling teeth 6 continuously compress the surrounding soil, and in conjunction with the leveling frame 5, can achieve a certain leveling effect on the soil, providing a foundation for soil leveling. It also includes a gearbox 7 and a drive shaft 8. The gearbox 7 is located at the front of the middle of the upper end of the mounting frame 1, and the drive shaft 8 is located at the front of the upper end of the mounting frame 1. The output shaft of the gearbox 7 is connected to... The outer surface of the drive shaft 8 is fixedly connected in the middle. Both the drive shaft 8 and the right end of the front soil-breaking shaft 2 are provided with sprockets 3 and 9. The two sprockets 3 and 9 are connected by a chain 3. The gearbox 7 can be connected to an external universal joint. The gearbox 7 and the drive shaft 8 are common drive components of rotary tillers in the prior art. The drive shaft 8 is driven to rotate by the transmission and reversing of the gearbox 7, providing a stable driving effect for the equipment. It also includes a connecting frame 10 and a connecting frame 21. The connecting frame 10 is respectively set on the left and right sides of the upper end of the mounting frame 1. The connecting frame 21 is set in the middle of the front side of the upper end of the mounting frame 1. The front end of the connecting frame 10 and the connecting frame 21 are provided with pin holes. The connecting frame 10 and the connecting frame 2 can be connected to an external tractor through the pin holes and external pins, which facilitates the connection with an external tractor.

[0024] Uniform spraying mechanism 4: It includes gears 41, nozzles 42, rack plates 43, limiting wheels 44, wave grooves 45, limiting rods 46, and soil-breaking components 47. Gears 41 are rotatably connected to the front and rear sides inside the spray frame 3. The nozzles 42 are all located on the lower end of the outer surface of the gears 41. The nozzles 42 are common spraying structures in the prior art. The nozzles 42 are all connected to the water tank containing soil remediation agent on the external tractor through connecting pipes. The rack plates 43 are slidably connected to the front and rear sides in the middle of the mounting frame 1. The rack plates 43 are all meshed with the vertically adjacent gears 41. Rotatable limiting wheels 44 are provided at both ends of the upper rear side of the mounting frame 1. Wave grooves 45 are all opened on the outer surface of the limiting wheels 44. The limiting rods 46 are all located on the rack plates 43. At the rear end, the outer surface of the limiting rod 46 is slidably connected to the inner wall of the longitudinally adjacent wave groove 45. Each limiting rod 46 has a ball head at its rear end, the outer surface of which is slidably connected to the inner wall of the longitudinally adjacent wave groove 45. The ball head reduces friction. Due to the restriction of the wave groove 45, the reciprocating stroke of the rack plate 43 is limited, so the gear 41 and nozzle 42 only deflect within a certain angle. The nozzle 42 can be directly positioned below the gear 41 without interfering with the meshing of the rack plate 43 and gear 41, providing a basis for the left and right deflection of the nozzle 42. The two limiting wheels 44 and the wave groove 45 are symmetrically distributed. The limiting rods 46 are slidably connected to the rear end of the inner wall of the mounting bracket 1 via sliding pins. The rear right end of the rack plate 43 on the front side is connected to the right limiting rod 46. The front end is fixedly connected, and the rear left end of the rack plate 43 on the rear side is fixedly connected to the front end of the left limiting rod 46, providing a basis for the opposite deflection of the two sets of nozzles 42. The soil breaking component 47 is set at the lower end of the inner part of the mounting frame 1. The soil breaking component 47 includes a cutter head 474 and soil breaking blades 475. The cutter heads 474 are fixedly sleeved on the outer surface of the soil breaking shaft 2. The left and right sides of the cutter heads 474 are distributed in a stepped manner, and the cutter heads 474 on the front and rear sides are distributed in a laterally staggered manner. The soil breaking blades 475 are respectively set on the left and right sides of the cutter heads 474. The soil breaking blades 475 are also distributed in a stepped manner. The outer ends of the soil breaking blades 475 are bent outward, which can throw the soil in the bending direction of the blade head during soil breaking. The soil breaking blades 475 are arranged in a circular array with the axis of the soil breaking shaft 2 as the center. The soil-breaking assembly 47, distributed to provide a foundation for soil turning, also includes sprocket 1 471, sprocket 2 472, and connecting shaft 473. Sprocket 1 471 is located at the right end of each soil-breaking shaft 2. Two longitudinally adjacent sprockets 1 471 are connected by a chain 1. The connecting shaft 473 is rotatably connected to the upper rear side of the mounting frame 1. The inner walls of the limiting wheels 44 are fixedly connected to the outer surface of the connecting shaft 473. Sprocket 2 472 is located at the right end of the connecting shaft 473 and is connected to the vertically adjacent sprocket 1 471 by a chain 2. Chains 1, 2, and 3 are all taut on their corresponding sprockets, neither too tight to break nor too loose to fall off, providing a transmission effect for soil turning. A uniform spraying mechanism 4 is also included.During use, the nozzles 42 on both the front and rear sides are always deflected in opposite directions, allowing for even spraying and irrigation of the soil remediation agent onto the soil surface. Combined with the soil-breaking action of the two rows of cutting blades 475, this ensures that the soil in contact with the remediation agent is evenly mixed with the underlying soil layer. This improves soil remediation efficiency and prevents the soil in contact with the remediation agent from being directly exposed to air, which could lead to the agent's volatilization and ineffectiveness.

[0025] The working principle of the soil remediation irrigation device for land consolidation provided by this utility model is as follows: Before carrying out soil irrigation and remediation work, the equipment is connected. Connecting bracket 10 and connecting bracket 21 are aligned with the connecting holes on the rear side of the external tractor. A pin is inserted through the connecting hole and the pin hole to connect the mounting bracket 1 to the external tractor. Then, the rear end of the external universal joint is connected to the front end of the gearbox 7, and the front end of the universal joint is connected to the rear end of the output shaft of the external tractor, completing the connection between the equipment and the power source. Then, the connecting pipe of the nozzle is connected to the water tank containing the soil remediation agent on the external tractor. Then, soil irrigation and remediation work is carried out. The external tractor drives the mounting bracket 1 forward, and simultaneously, the gearbox 7 is driven by the transmission of the external universal joint. The gearbox 7 drives the drive shaft 8 to rotate. The drive shaft 8, through the transmission of sprocket 3 9 and chain 3, drives the front breaking shaft 2 to rotate. The front cutter head 474 and the breaking blade 475 also rotate simultaneously, breaking and crushing the soil below. At this time, the stepped breaking blades 475 push the soil to the left and right sides of the cutter head 474, creating trenches in the soil layer below the cutter head 474. At the same time, because the two longitudinally adjacent sprockets 471 are connected by the transmission of chain 1, as the front breaking shaft 2 rotates, the rear breaking shaft 2 also rotates, driving the rear cutter head 474 and the breaking blade 475 to rotate. Because the front and rear cutter heads 474 are laterally staggered, the rear cutter head 474 is exactly positioned where the front cutter head 474 has created the trenches. Between the two trenches, as the rear cutterhead 474 rotates, the rear breaking blade 475 breaks the soil layer between the two trenches. During breaking, soil splashes to both sides, filling the two trenches. At this time, the soil layer below the equipment is broken into small, loose pieces by the two sets of breaking blades 475. When the subsequent leveling frame 5 passes over the soil surface, the staggered leveling teeth 6 continuously compress the surrounding soil, working in conjunction with the leveling frame 5 to level the soil, making the soil level where the equipment passes. At the same time, as the breaking work proceeds, the connecting shaft 473 also rotates through the transmission of chain two, driving the two limit wheels 44 to rotate synchronously. As the limit wheels 44 rotate, the wave groove 45 compresses the rear end of the corresponding limit rod 46, causing the limit rod 46 to rotate with the chain. The rack 43 moves left and right along the trajectory of the wave groove 45, causing the corresponding rack plate 43 to move left and right. Because the rack plates 43 are all meshed with the vertically adjacent gears 41, and because the two limiting wheels 44 and the wave groove 45 are symmetrically distributed, the rack plates 43 will move inward and outward simultaneously, causing the corresponding gears 41 to deflect. The corresponding front and rear sets of nozzles 42 also deflect in opposite directions. Due to the restriction of the wave groove 45, the reciprocating stroke of the rack plates 43 is limited, so the gears 41 and nozzles 42 only deflect within a certain angle. The nozzles 42 can be directly set below the gears 41 without interfering with the meshing of the rack plates 43 and gears 41. At this time, the external water pump inside the water tank containing the soil remediation agent works, pumping the soil remediation agent into the nozzles 42 through the connecting pipe.Then, the soil remediation agent is sprayed downwards onto the soil surface through nozzle 42, ensuring that the nozzle 42 can fully and evenly spray the soil remediation agent onto the soil surface below within the same time frame. Since the nozzle 42 is located inside the spray frame 3 in the middle of the mounting frame 1, when the soil remediation agent is evenly sprayed onto the soil surface by the nozzle 42, the soil layer below the nozzle 42 is just broken into trenches by the front soil-breaking blade 475. The soil remediation agent can be sprayed onto the soil surface on the inner wall of the trenches and also onto the soil surface accumulated between the two trenches. As the equipment moves forward, the rear soil-breaking blade 475 further... The soil between the two trenches is broken up, and the broken soil is thrown into the trenches on both sides, making the trenches flat. At this time, some of the soil that came into contact with the soil remediation agent is mixed into the soil layer by the breaking blade 475, so that the soil remediation agent is evenly distributed in the soil layer. Some of it is filled into the previous trench, covering the soil surface on the inner wall of the trench that came into contact with the soil remediation agent. Finally, the leveling frame 5 and the leveling teeth 6 are used to scrape the surface, so that the soil remediation agent is evenly distributed in the soil. At the same time, it avoids the soil remediation agent being exposed to the air and volatilizing, thus improving the efficiency of soil sprinkler irrigation remediation.

[0026] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A soil remediation irrigation device for land consolidation, comprising a mounting frame (1), wherein a soil-breaking shaft (2) is rotatably connected to both the front and rear sides of the lower end of the mounting frame (1), and a spray frame (3) is provided in the middle of the interior of the mounting frame (1), characterized in that: It also includes a uniform spraying mechanism (4); Uniform spraying mechanism (4): It includes gears (41), nozzles (42), racks (43), limiting wheels (44), wave grooves (45), limiting rods (46), and soil-breaking components (47). The gears (41) are rotatably connected to the front and rear sides inside the spray frame (3). The nozzles (42) are all located at the lower end of the outer surface of the gears (41). The racks (43) are slidably connected to the front and rear sides in the middle of the mounting frame (1). 43) All are meshed with the vertically adjacent gear (41). The left and right ends of the upper rear side of the mounting frame (1) are provided with rotatable limiting wheels (44). The wave grooves (45) are all opened on the outer surface of the limiting wheels (44). The limiting rods (46) are all set at the rear end of the rack plate (43). The rear end of the outer surface of the limiting rods (46) are all slidably connected to the inner wall of the longitudinally adjacent wave grooves (45). The soil breaking component (47) is set at the lower end of the interior of the mounting frame (1).

2. The soil remediation irrigation device for land consolidation according to claim 1, characterized in that: The two limiting wheels (44) and the wave groove (45) are symmetrically distributed. The limiting rods (46) are slidably connected to the rear end of the inner wall of the mounting bracket (1) through the sliding column. The rear right end of the front rack plate (43) is fixedly connected to the front end of the right limiting rod (46), and the rear left end of the rear rack plate (43) is fixedly connected to the front end of the left limiting rod (46).

3. The soil remediation irrigation device for land consolidation according to claim 1, characterized in that: The soil breaking component (47) includes a cutter head (474) and soil breaking blades (475). The cutter heads (474) are fixedly sleeved on the outer surface of the soil breaking shaft (2). The cutter heads (474) on the front and rear sides are arranged in a horizontally staggered manner. The soil breaking blades (475) are respectively arranged on the left and right sides of the cutter head (474). The soil breaking blades (475) are arranged in a circular array with the axis of the soil breaking shaft (2) as the center.

4. A soil remediation irrigation device for land consolidation according to claim 1, characterized in that: The soil-breaking component (47) also includes a first sprocket (471), a second sprocket (472), and a connecting shaft (473). The right end of the soil-breaking shaft (2) is provided with a first sprocket (471). Two longitudinally adjacent first sprockets (471) are connected by a first chain. The connecting shaft (473) is rotatably connected to the upper rear side of the mounting frame (1). The inner wall of the limiting wheel (44) is fixedly connected to the outer surface of the connecting shaft (473). The second sprocket (472) is located at the right end of the connecting shaft (473). The second sprocket (472) is connected to the vertically adjacent first sprocket (471) by a second chain.

5. A soil remediation irrigation device for land consolidation according to claim 1, characterized in that: It also includes a leveling frame (5) and leveling teeth (6). The leveling frame (5) is located at the lower rear end of the mounting frame (1), and the leveling teeth (6) are evenly distributed at the lower end of the leveling frame (5). The longitudinally adjacent leveling teeth (6) are all distributed in a transversely staggered manner.

6. A soil remediation irrigation device for land consolidation according to claim 1, characterized in that: It also includes a gearbox (7) and a drive shaft (8). The gearbox (7) is located on the front side of the upper middle part of the mounting frame (1), and the drive shaft (8) is located on the front side of the upper end of the mounting frame (1). The output shaft of the gearbox (7) is fixedly connected to the middle part of the outer surface of the drive shaft (8). The right end of the drive shaft (8) and the front earth-breaking shaft (2) are both provided with sprockets (9). The two sprockets (9) are connected by a chain drive.

7. A soil remediation irrigation device for land consolidation according to claim 1, characterized in that: It also includes a first connecting frame (10) and a second connecting frame (11). The first connecting frame (10) is respectively located on the left and right sides of the upper end of the mounting frame (1), and the second connecting frame (11) is located in the middle of the upper front side of the mounting frame (1). The front end of both the first connecting frame (10) and the second connecting frame (11) is provided with a pin hole.

Images