Feces scraping mechanism and pig manure cleaning equipment based on same

Abstract

The utility model relates to a manure scraping mechanism and pig manure cleaning equipment based on the same, the manure scraping mechanism comprises a horizontally arranged movable support frame, an L-shaped manure scraping component is transversely and rotatably arranged in the support frame, and a stretching rod capable of driving the manure scraping component to be positioned and turned into a shoveling state or a lifting state is arranged in the middle of the top surface of the support frame; the two side faces of the supporting frame are longitudinally hinged to two adjusting assemblies which are symmetrically arranged in a splayed shape and can be elastically adjusted respectively. The four adjusting assemblies are arranged on the two sides of the manure scraping mechanism, it is ensured that the manure scraping mechanism can keep elastic contact with the two side walls of the manure channel when advancing in the manure channel, the manure scraping mechanism can adapt to the width change of the manure channel, and the manure scraping mechanism can keep a stable advancing posture through elastic contact; the excrement scraping mechanism is effectively prevented from being obliquely clamped or damaged due to the fact that the excrement channel is uneven, continuity and efficiency of excrement scraping operation are guaranteed, friction and abrasion to the side wall of the excrement channel can be reduced through the adjusting assembly, and the service life of the excrement scraping mechanism and the service life of the excrement channel are prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of livestock breeding equipment, and particularly relates to a manure scraping mechanism and a pig manure cleaning device based on the mechanism. Background Art

[0002] Manure cleaning in livestock breeding is an important link to ensure a clean breeding environment, prevent the spread of diseases, promote the recycling of resources, and protect the ecological environment. Timely manure cleaning can reduce the accumulation of harmful gases in the breeding environment, reduce the concentration of odor and ammonia, provide a more comfortable living environment for animals, and the manure may contain a large number of pathogenic bacteria and parasite eggs. Timely cleaning can reduce the transmission routes of diseases and reduce the morbidity and mortality of animals.

[0003] With the expansion of the scale of pig farms and the improvement of the degree of mechanization, mechanized manure cleaning has become the mainstream. However, the manure cleaning equipment used in current farms is prone to tilt and get stuck in the manure channel due to uneven manure channels or other factors during use. If the staff fails to detect the failure of the cleaning equipment in time, this may cause damage to the cleaning equipment, thereby increasing the production cost of the farm and causing inconvenience to the daily operation of the farm. Content of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the utility model provides a manure scraping mechanism and a pig manure cleaning device based on the mechanism. The specific technical solutions are as follows:

[0005] The utility model provides a manure scraping mechanism, which is characterized in that: it includes a horizontally arranged movable support frame, a "L"-shaped manure scraping component is horizontally and rotatably arranged in the support frame, and a stretching rod for driving the manure scraping component to be positioned and flipped into a shoveling connection state or a lifted state is arranged in the middle of the top surface of the support frame; two elastically adjustable adjusting components symmetrically arranged in a shape of an eight-character are longitudinally hinged on both side surfaces of the support frame respectively.

[0006] As a preferred technical solution of the utility model, the support frame includes cross bars horizontally arranged opposite to each other, vertical plates are perpendicularly fixed to the end parts of the two cross bars respectively, three traveling wheels are rotatably arranged at equal intervals on the bottom surfaces of the two vertical plates respectively, and an arc-shaped sliding groove is vertically penetrated through the top of the inner vertical surface of the vertical plate.

[0007] As a preferred technical solution of the utility model, the manure scraping component includes a central rod perpendicularly fixed in the middle of the two vertical plates, a rectangular baffle is sleeved and rotatably arranged outside the central rod, an inclined scraping strip is detachably connected to the bottom edge of the baffle, and "L"-shaped limiting rods are vertically and oppositely arranged in the middle of the outer side surface of the baffle; rotating rods are perpendicularly fixed to the top parts of both side surfaces of the baffle respectively, and the two rotating rods slide in the corresponding sliding grooves respectively.

[0008] As a preferred technical solution of the present utility model, the adjusting assembly includes "M"-shaped frame plates screwed to the four corners of the vertical plate. A folding plate is hinged between two of the frame plates on the same side of the vertical plate. The folding plate is connected by two limiting springs rotatably arranged between the frame plate and the folding plate, and a telescopic rod is arranged in the limiting spring; two abutting wheels are respectively rotatably arranged at both ends of the outer surface of the folding plate, and tapered stop strips are detachably arranged on the outer surface and the bottom surface of the folding plate.

[0009] As a preferred technical solution of the present utility model, the stretching rod is inserted through the two square hoops respectively arranged in the middle of the corresponding cross bars with a gap. Circular rods are respectively vertically oppositely arranged at both ends of the two side surfaces of the stretching rod, and two limiting rods are respectively clamped between the two circular rods. Pulling rings are respectively arranged at both ends of the adjusting rod, and an audible and visual alarm is arranged in the middle of the top surface of the stretching rod.

[0010] As a preferred technical solution of the present utility model, two telescopic wheels are longitudinally arranged in the middle of the outer surfaces of the two vertical plates. The telescopic wheel includes a telescopic spring vertically fixed to the corresponding vertical plate, and a rotating wheel is fixedly connected to the end of the telescopic spring. The rotating wheel and the abutting wheel are on the same horizontal plane when not stressed.

[0011] The present utility model also provides a pig manure cleaning device, which includes a motor and a speed reducer connected to the motor, as well as a controller for controlling the cleaning device. It also includes the manure scraping mechanism as described above. Both ends of the stretching rod in this mechanism are respectively connected to the corresponding speed reducer through matching traction ropes.

[0012] The beneficial effects of the present utility model are:

[0013] With the cooperation of the stretching rod, the "L"-shaped manure scraping component of the manure scraping mechanism of the present utility model enables the manure scraping component to be flipped and adjusted to two states: contacting or disengaging from the manure channel ground. When the manure scraping mechanism moves from one end of the manure channel to the other end for manure cleaning, the manure scraping component is flipped and adjusted to the state of contacting the manure channel ground. When the manure scraping mechanism returns to the other end of the manure channel, the manure scraping component is flipped and adjusted to the state of disengaging from the manure channel ground. This not only ensures the effect of the manure scraping mechanism in removing manure and dirt, but also avoids the wear caused by the contact between the manure scraping component and the bottom surface when the manure scraping mechanism returns. The "L"-shaped manure scraping component enables it to closely adhere to the manure channel ground or the bottom of the manure channel for manure scraping operations, effectively removing manure and dirt, and can also move along the manure channel with the support frame for continuous and uniform manure scraping operations, greatly improving the cleaning efficiency. The four adjusting components are arranged in two groups on both sides of the manure scraping mechanism, ensuring that the manure scraping mechanism can maintain elastic contact with the two side walls of the manure channel when traveling in the manure channel, enabling the manure scraping mechanism to automatically adapt to minor changes in the width of the manure channel and the unevenness that may exist on the two side walls of the manure channel. Through elastic contact, the manure scraping mechanism can maintain a stable traveling posture, effectively avoiding the situation where the manure scraping mechanism tilts, gets stuck, or is damaged due to the unevenness of the manure channel, ensuring the continuity and efficiency of the manure scraping operation. At the same time, the adjusting components can also reduce the friction and wear on the side walls of the manure channel, extending the service life of the manure scraping mechanism and the manure channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 FIG. 1 shows the overall structural schematic diagram (1) of the manure scraping mechanism of the present utility model;

[0015] Figure 2 FIG. 2 shows the overall structural schematic diagram (2) of the manure scraping mechanism of the present utility model;

[0016] Figure 3 FIG. 3 shows the overall structural schematic diagram (3) of the manure scraping mechanism of the present utility model;

[0017] Figure 4 FIG. 4 shows Figure 3 the structural schematic diagram of part A in FIG. 1;

[0018] Figure 5 FIG. 5 shows the overall structural schematic diagram (4) of the manure scraping mechanism of the present utility model;

[0019] Figure 6 FIG. 6 shows the overall structural schematic diagram (5) of the manure scraping mechanism of the present utility model.

[0020] As shown in the figure: 1. Support frame; 11. Cross bar; 111. Square hoop; 12. Vertical plate; 121. Chute; 13. Traveling wheel; 2. Adjusting assembly; 21. Folding plate; 211. Stop bar; 22. Support plate; 23. Limiting spring; 24. Telescopic rod; 25. Contact wheel; 3. Telescopic wheel; 31. Telescopic spring; 32. Rotating wheel; 4. Manure scraping assembly; 41. Baffle; 411. Central rod; 42. Scraping bar; 43. Limiting rod; 44. Rotating rod; 5. Tensile rod; 51. Round rod; 52. Pulling ring; 6. Acoustic and optical alarm. Detailed implementation mode

[0021] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the following examples are used to further explain the present utility model in detail. It should be understood that the specific examples described here are only used to explain the present utility model and are not used to limit the present utility model.

[0022] Example 1

[0023] To solve the technical problems in the background art, the following manure scraping mechanism and pig manure cleaning equipment based on this mechanism are provided:

[0024] Combined with Figures 1 to 3 , Figure 5 , Figure 6 As shown, a manure scraping mechanism is characterized in that it includes a horizontally arranged movable support frame 1, a "L"-shaped manure scraping assembly 4 is horizontally and rotatably arranged in the support frame 1, and a tensile rod 5 for driving the manure scraping assembly 4 to be positioned and flipped into a shoveling connection state or a lifted state is arranged in the middle of the top surface of the support frame 1; two adjustable elastic adjusting assemblies 2 are longitudinally hinged on both sides of the support frame 1 and are symmetrically arranged in an eight-shaped manner.

[0025] By adopting the above technical scheme, the "L"-shaped scraper assembly 4 of the scraper mechanism can be turned over and adjusted to a shoveling state in contact with the ground of the manure channel or a lifted state detached from the ground under the cooperation of the stretching rod 5. When the scraper mechanism moves from one end of the manure channel to the other end to clean manure, the scraper assembly 4 is turned over and adjusted to the shoveling state, and when the scraper mechanism returns to the other end of the manure channel, the scraper assembly 4 is turned over and adjusted to the lifted state, which not only ensures the effect of the scraper mechanism in removing manure and dirt, but also avoids the wear caused by the contact between the scraper assembly 4 and the bottom surface when the scraper mechanism returns; the "L"-shaped scraper assembly 4 enables it to perform scraping operations in close contact with the ground or the bottom of the manure channel, effectively removes manure and dirt, and can also As the support frame 1 moves along the manure chute, continuous and uniform manure scraping operations are performed, which greatly improves the cleaning efficiency; four adjustment components 2 are arranged in groups of two in an "eight" shape on both sides of the manure scraping mechanism, ensuring that the manure scraping mechanism can maintain elastic contact with the two side walls of the manure chute when moving in the manure chute, so that the manure scraping mechanism can automatically adapt to slight changes in the width of the manure chute and possible unevenness on the two side walls of the manure chute. Through elastic contact, the manure scraping mechanism can maintain a stable moving posture, effectively avoiding the manure scraping mechanism from tilting, getting stuck or being damaged due to the uneven manure chute, ensuring the continuity and efficiency of the manure scraping operation. At the same time, the adjustment component 2 can also reduce the friction and wear on the side walls of the manure chute, thereby extending the service life of the manure scraping mechanism and the manure chute.

[0026] Embodiment 2

[0027] Combination Figures 1 to 6 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0028] Combination Figures 1 to 3 , Figure 5 , Figure 6 As shown, in this embodiment, the support frame 1 includes horizontally oppositely arranged cross bars 11, and vertical plates 12 are respectively vertically arranged at the ends of the two cross bars 11. Three traveling wheels 13 are rotatably arranged at equal intervals on the bottom surfaces of the two vertical plates 12, and an arc-shaped sliding groove 121 is vertically penetrated through the top of the inner facade of the vertical plate 12.

[0029] By adopting the above technical solution, the support frame 1 provides an operating space for the manure scraping assembly 4, ensuring the normal operation of the manure scraping work. The three traveling wheels 13 provided at the bottom surfaces of the two vertical plates 12 not only ensure the stable movement of the support frame 1 on the ground, but also can disperse the force through multiple traveling wheels 13, reducing the pressure on the ground, reducing the bumps and vibrations that may occur during travel, and improving the smoothness of the manure scraping operation; the sliding groove 121 provided at the top of the inner vertical surface of the vertical plate 12 cooperates with the rotating rod 44, making the flipping adjustment of the manure scraping mechanism smoother. The sliding groove 121 limits the adjustment range of the manure scraping mechanism, prevents excessive adjustment, improves the adaptability and flexibility of the manure scraping mechanism, and ensures the continuity and efficiency of the manure scraping operation.

[0030] Combined with Figures 1 to 3 , Figure 5 , Figure 5 As shown in the figures, in this embodiment, the manure scraping assembly 4 includes a central rod 411 vertically fixed in the middle of the two vertical plates 12. A rectangular baffle 41 is rotatably arranged outside the central rod 411. An inclined scraping strip 42 is detachably connected to the bottom edge of the baffle 41. And a limiting rod 43 in the shape of "L" is vertically and oppositely arranged in the middle of the outer vertical surface of the baffle 41; rotating rods 44 are respectively vertically fixed at the top of the two side surfaces of the baffle 41, and the two rotating rods 44 respectively slide in the corresponding sliding grooves 121.

[0031] By adopting the above technical solution, the baffle 41 in the manure scraping assembly 4 is rotatably arranged between the two vertical plates 12 through the central rod with a gap, so that the baffle 41 can rotate in the horizontal direction. When it rotates to be in contact with the manure channel ground, the manure channel is cleaned. When it rotates to be lifted off the ground, the manure scraping assembly 4 is prevented from being worn, ensuring the continuity and high efficiency of the manure scraping operation; the inclined scraping strip 42 at the bottom edge of the baffle 41 can more effectively scrape the feces from the bottom of the manure channel and guide it to move to one side, thus avoiding the residue and accumulation of feces. In addition, the detachable setting of the scraping strip 42 facilitates replacement when the scraping strip 42 is worn, ensuring the continuous high efficiency of the manure scraping operation; the cooperation of the rotating rod 44 and the sliding groove 121 not only limits the maximum angle during the rotation of the baffle 41, but also avoids the baffle 41 colliding with or being damaged by other components due to excessive rotation, and also improves the stability of the manure scraping mechanism during travel, reducing the potential safety hazards caused by shaking or vibration.

[0032] Combined with Figures 1 to 3 , Figure 5 , Figure 6As shown, in this embodiment, the stretching rod 5 is inserted through the two square hoops 111 respectively arranged in the middle of the corresponding cross bars 11 with a clearance. Circular rods 51 are vertically and oppositely arranged at the end parts of the two side surfaces of the stretching rod 5, and the two limiting rods 43 are respectively clamped between the two circular rods 51. Pull rings 52 are respectively arranged at the end parts of both ends of the adjusting rod. An acoustic-optic alarm 6 is arranged in the middle of the top surface of the stretching rod 5.

[0033] By adopting the above technical solution, the square hoops 111 are respectively arranged in the middle of the cross bars 11, providing stable support points for the stretching rod 5, enabling the stretching rod 5 to move freely between the two square hoops 111, so that the adjusting rod clamped in the two circular rods 51 moves together with it, and then drives the baffle 41 to flip, adjusting the manure scraping assembly 4; the pull rings 52 arranged at both ends of the stretching rod 5 are convenient for connecting the towing rope and the motor, and then driving the manure scraping mechanism to move in the corresponding direction; the acoustic-optic alarm 6 arranged in the middle of the top surface of the stretching rod 5 can give an acoustic-optic alarm when the manure scraping mechanism is stuck by foreign objects, facilitating the staff to quickly discover the situation and help the staff quickly locate the stuck position of the manure scraping mechanism for processing, avoiding damage to the manure scraping mechanism.

[0034] Embodiment Three

[0035] Combined with Figures 1 to 6 As shown, on the basis of the above embodiment, the following content is further given in this embodiment:

[0036] Combined with Figures 1 to 6 As shown, in this embodiment, the adjusting assembly 2 includes "M"-shaped frame plates 22 screwed to the four corners of the vertical plate 12. A folding plate 21 is hinged between the two frame plates 22 on the same side of the vertical plate 12. The folding plate 21 is connected by two limiting springs 23 rotatably arranged between the frame plates 22 and the folding plate 21, and a telescopic rod 24 is arranged in the limiting spring 23; abutting wheels 25 are respectively rotatably arranged at the end parts of the two outer surfaces of the folding plate 21, and tapered blocking strips 211 are detachably arranged on the outer surface and the bottom surface of the folding plate 21.

[0037] By adopting the above technical solution, the "M"-shaped rack plate 22 is fixed at the four corners of the vertical plate 12 by screwing, which facilitates the installation and disassembly of the adjusting assembly 2. At the same time, it is also convenient to adjust the position or quantity of the rack plate 22 according to actual needs, thereby increasing the flexibility and adjustability of the whole structure; the folding plate 21 and the rack plate 22 are connected by a limiting spring 23 and a telescopic rod 24, which can provide a certain buffer and supporting force when the folding plate 21 is unfolded. When the manure scraping mechanism is cleaning in a manure channel with uneven side walls, the elastic deformation of the spring is used to absorb the impact, thus ensuring the overall stability and safety of the manure scraping mechanism and preventing it from tilting and jamming in the manure channel; the existence of the telescopic rod 24 further enhances the connection strength between the folding plate 21 and the rack plate 22, preventing the folding plate 21 from suddenly falling off or deforming due to external force, and ensuring the safety of use; the abutting wheels 25 arranged at both ends of the outer surface of the folding plate 21 can make the folding plate 21 slide or move more smoothly when the manure scraping mechanism is moving, reduce friction and noise, and at the same time enhance the adaptability when the folding plate 21 contacts the side wall of the manure, so that the manure scraping mechanism can smoothly clean the manure in the manure channel; the conical baffles that can be disassembled are arranged on the outer surface and the bottom surface of the folding plate 21, which can prevent manure from leaking through the gaps on the side of the folding plate 21 when the manure scraping mechanism is cleaning manure, ensuring that the manure scraping mechanism has no omission in manure cleaning.

[0038] Combined Figures 1 to 3 、 Figure 5 、 Figure 6 As shown, in this embodiment, two telescopic wheels 3 are longitudinally arranged in the middle of the outer surfaces of the two vertical plates 12. The telescopic wheels 3 include telescopic springs 31 perpendicular to the corresponding vertical plates 12. The end of the telescopic spring 31 is fixedly connected with a rotating wheel 32. When the rotating wheel 32 and the abutting wheel 25 are not stressed, they are in the same horizontal plane.

[0039] By adopting the above technical solution, each telescopic wheel 3 is composed of a telescopic spring 31 and a rotating wheel 32, enabling the telescopic wheel 3 to adaptively adjust its height. Two telescopic wheels 3 on the same side of the manure scraping mechanism and two adjusting mechanisms are cooperatively arranged. When the manure scraping mechanism moves in the manure channel for manure cleaning, the telescopic spring 31 and the limit spring 23 will automatically expand and contract according to the situation of the manure channel sidewall, ensuring that the rotating wheel 32 and the abutting wheel 25 always remain in contact with the manure channel sidewall, thereby realizing the adaptive adjustment of the width of the manure scraping mechanism, enhancing the stability and flexibility of the manure scraping equipment. The adaptive adjustment reduces the hard impact between the manure scraping mechanism and the two sidewalls of the manure channel, reduces the wear speed of the equipment, and extends the service life. At the same time, since the rotating wheel 32 can gently adapt to the ground changes, the noise generated by friction is reduced, providing a better comfort level for the pigsty environment; the telescopic wheel 3 and the abutting wheel 25 are on the same horizontal plane when not stressed, ensuring that regardless of how the two sidewalls of the manure channel change, the manure scraping mechanism can maintain a relatively stable traveling posture through the adjustment of the telescopic wheel 3 and the adjusting component 2, and the telescopic wheel 3 can serve as an auxiliary support point to share the load together with the abutting wheel 25, thereby improving the overall stability of the manure scraping mechanism and preventing the manure scraping mechanism from getting stuck in the manure channel.

[0040] Embodiment 4

[0041] Combined with Figures 1 to 6 As shown, on the basis of the above embodiment, the present embodiment further gives the following content:

[0042] In the present embodiment, a pig manure cleaning device includes a motor and a speed reducer connected to the motor, as well as a controller for controlling the cleaning device. It further includes the manure scraping mechanism as described above, and both ends of the stretching rod 5 in the mechanism are respectively connected to the corresponding speed reducer through matching traction ropes.

[0043] By adopting the above technical solution, the motor is connected to the speed reducer, providing a stable and adjustable power output for the manure scraping mechanism. Through the precise control of the controller, flexible adjustment of the movement speed, direction, and working mode of the manure scraping mechanism can be achieved, thereby realizing efficient and automated pig manure cleaning operations; the manure scraping mechanism is connected to the speed reducer through traction ropes, making the motor power transmission more stable, reducing the impact of mechanical vibration on the cleaning effect, and at the same time, ensuring that a certain pressure is maintained during the movement of the manure scraping plate, effectively scraping pig manure and improving the cleaning quality.

[0044] The working principle and usage process of the present utility model:

[0045] First, install the cleaning device into the manure channel. Set the operating frequency of the manure scraping mechanism through the controller. When it is necessary to clean the pig manure, the motor starts, and the reducer connected to it drives the traction rope to move. The other end of the traction rope is connected to the pull ring 52, and the stretching rod 5 moves accordingly, driving the manure scraping assembly 4 to flip until the scraping strip 42 at its bottom contacts the ground of the manure channel. As the manure scraping mechanism is pulled by the traction rope, the manure scraping assembly 4 scrapes up the pig manure in the manure channel and pushes the pig manure forward until it is pulled to the other end of the manure channel and enters the manure pit. The traction rope connected to the pull ring 52 at the other end of the stretching rod 5 pulls the stretching rod 5, and the manure scraping assembly 4 flips, and the scraping strip 42 rises and disengages from the ground, and the manure scraping mechanism moves to the initial position; during the working process of the manure scraping mechanism, the telescopic rods 24 and the adjustment components 2 provided on both sides of it are elastically adjusted according to the undulation of the side wall of the manure channel to avoid the mechanism from getting stuck in the manure channel. If the manure scraping mechanism gets stuck due to foreign objects falling into the manure channel, the sound and light alarm 6 will automatically give an audible and visual alarm to remind and help the staff to discover and solve the problem in the first time.

[0046] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A manure scraping mechanism, characterized in that: It includes a horizontally arranged movable support frame (1), a horizontally rotatable "L"-shaped manure scraping assembly (4) is arranged transversely inside the support frame (1), and a stretching rod (5) capable of driving the manure scraping assembly (4) to be positioned and flipped into a shoveling connection state or a lifted state is arranged in the middle of the top surface of the support frame (1); two elastic adjustable adjusting assemblies (2) symmetrically arranged in an eight-shaped manner are longitudinally hinged on both side surfaces of the support frame (1).

2. The manure scraping mechanism according to claim 1, characterized in that: The support frame (1) includes horizontally opposite cross bars (11), vertical plates (12) are respectively perpendicular to the ends of the two cross bars (11), three traveling wheels (13) are respectively rotatably arranged at equal intervals on the bottom surfaces of the two vertical plates (12), and an arc-shaped chute (121) is vertically penetrated and opened at the top of the inner vertical surface of the vertical plate (12).

3. The manure scraping mechanism according to claim 2, characterized in that; The manure scraping assembly (4) The manure scraping assembly (4) includes a central rod (411) perpendicular to the middle of the two vertical plates (12), a rectangular baffle (41) is sleeved and rotatably arranged outside the central rod (411), an inclined scraping strip (42) is detachably connected to the bottom edge of the baffle (41), and "L"-shaped limiting rods (43) are vertically opposite to each other in the middle of the outer surface of the baffle (41); rotating rods (44) are respectively perpendicular to the top parts of both side surfaces of the baffle (41), and the two rotating rods (44) slide in the corresponding chutes (121).

4. The manure scraping mechanism according to claim 3, characterized in that: The adjusting assembly (2) includes an "M"-shaped frame plate (22) screwed to the four corners of the vertical plate (12), a folding plate (21) is hinged between the two frame plates (22) on the same side of the vertical plate (12), the folding plate (21) is connected by two limiting springs (23) rotatably arranged between the frame plate (22) and the folding plate (21), and a telescopic rod (24) is arranged inside the limiting spring (23); abutting wheels (25) are respectively rotatably arranged at both ends of the outer surface of the folding plate (21), and conical stop strips (211) are detachably arranged on the outer surface and the bottom surface of the folding plate (21).

5. The manure scraping mechanism according to claim 2, characterized in that: The stretching rod (5) is inserted into two square hoops (111) respectively arranged in the middle of the corresponding cross bars (11) with a gap, circular rods (51) are respectively vertically opposite to each other at both ends of the two side surfaces of the stretching rod (5), and the two limiting rods (43) are respectively clamped between the two circular rods (51), pull rings (52) are respectively arranged at both ends of the stretching rod (5), and an audible and visual alarm (6) is arranged in the middle of the top surface of the stretching rod (5).

6. The manure scraping mechanism according to claim 4, wherein: Two telescopic wheels (3) are longitudinally arranged in the middle of the outer surfaces of the two vertical plates (12), the telescopic wheel (3) includes a telescopic spring (31) perpendicular to the corresponding vertical plate (12), a rotating wheel (32) is fixedly connected to the end of the telescopic spring (31), and the rotating wheel (32) and the abutting wheel (25) are in the same horizontal plane when not stressed.

7. A pig manure cleaning device, comprising a motor, a speed reducer connected to the motor, and a controller for controlling the cleaning device, characterized in that: It also includes a manure scraping mechanism as described in any one of claims 1 to 6, and both ends of the stretching rod (5) in this mechanism are respectively connected to the corresponding speed reducers through adapted traction ropes.

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