Automatic feeding trough for black pig breeding

By designing an automatic feeding trough for black pig breeding with a feeding mechanism and a disassembly and assembly mechanism, the problem of being unable to mix different feeds in the existing technology is solved, automatic mixing and feeding of black pigs of different sizes are achieved, and the applicability and convenience of the device are improved.

CN223335324UActive Publication Date: 2025-09-16SHIDIAN COUNTY XINHAI FAMILY FARM CO LTD
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Patent Information

Application Number
CN202422807915.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-09-16
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The existing automatic feeding trough for black pig farming cannot effectively mix different types of feed and requires external force to mix before feeding, which affects the applicability of the device.

Method used

An automatic feeding trough for black pig breeding is designed, which includes a feeding mechanism and a disassembly and assembly mechanism. The feeding mechanism crushes and mixes the feed through a stirring rod and a crushing roller driven by a motor. The disassembly and assembly mechanism adjusts the height of the trough through an electric push rod to adapt to black pigs of different sizes and facilitates cleaning.

Benefits of technology

It realizes automated feed mixing and adapts to the feeding of black pigs of different sizes, reduces manual operation, prevents feed residue from deteriorating, and improves the applicability and ease of use of the device.

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Abstract

The utility model relates to the technical field of livestock breeding, and discloses an automatic feeding trough for black pig breeding, which comprises a box body, a stirring box fixedly arranged at the upper part of the box body, a conveying pipe fixedly arranged in the box body, a trough arranged in the box body, a connecting pipe communicated with the bottom of the stirring box, and a connecting assembly arranged on one side of the box body, the connecting assembly comprises a feeding mechanism arranged on the upper portion of the box body, a dismounting and mounting mechanism is arranged in the box body, the bottom end of a connecting pipe communicates with a conveying pipe, an electric control valve is arranged in the middle of the connecting pipe, a first rotating shaft is rotationally connected with the conveying pipe through a bearing, and a main bevel gear is meshed with an auxiliary bevel gear. The feed mixing device solves the problem that an existing device cannot effectively mix different feeds, feeding operation can be carried out only after the different feeds are mixed through external force, and therefore the applicability of the device is affected.
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Description

Technical Field

[0001] The utility model relates to the technical field of animal husbandry, in particular to an automatic feeding trough for black pig breeding. Background Art

[0002] Animal husbandry refers to the production process of using livestock, poultry and other animals that have been artificially raised and domesticated by humans, or the physiological functions of wild animals such as deer, musk deer, fox, mink, otter, and quail, to convert plant energy such as forage and feed into animal energy through artificial breeding and reproduction, so as to obtain livestock products such as meat, eggs, milk, wool, cashmere, hides, silk and medicinal materials. Since grazing is restricted by natural feed, planting has become an increasingly important feed base, and barn feeding has gradually become the main feeding method. The emergence of automatic feeding troughs has greatly reduced the labor intensity of people working in the breeding industry. At present, automatic feeding troughs are needed in the black pig breeding process.

[0003] Patent publication number CN 207054429 U discloses an automatic feeding trough for aquaculture. This device solves the problem of automatic feeding, further reducing the labor burden and labor costs of aquaculture practitioners. It is simple to implement and easy to promote, with broad market and application prospects. However, this device cannot effectively mix different feeds and requires external force to mix the different feeds before feeding operations can be performed, which affects the applicability of the device.

[0004] To this end, we proposed an automatic feeding trough for black pig farming to solve the problem. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic feeding trough for black pig breeding, which solves the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: an automatic feeding trough for black pig breeding, comprising a box body;

[0007] A mixing box fixedly installed on the upper part of the box;

[0008] The material delivery pipe is fixedly installed inside the box;

[0009] A material trough arranged inside the box;

[0010] Connecting pipe provided at the bottom of the mixing tank;

[0011] And a connecting component arranged on one side of the box body, the connecting component includes a feeding mechanism arranged on the upper part of the box body, a disassembly and assembly mechanism is arranged inside the box body, the bottom end of the connecting pipe is connected to the feed pipe, and an electric control valve is arranged in the middle of the connecting pipe.

[0012] Preferably, the feeding mechanism includes a first motor fixedly installed on the right side of the box body through a base, the output end of the first motor is fixedly connected to the first rotating shaft, the outer wall of the first rotating shaft is fixedly connected to the first conveying blade, the bottom of the conveying pipe is connected to a discharge pipe, and the bottom of the discharge pipe is provided with an electric-controlled valve, the upper part of the mixing box is provided with a box cover, the upper part of the box cover is fixedly installed with a second motor through a mounting bracket, the output end of the second motor is fixedly connected to the second rotating shaft, the outer wall of the second rotating shaft is fixedly connected to the stirring rod, the outer wall of the second rotating shaft is fixedly connected to the main bevel gear, the upper part of the box cover is connected to the conveying box, the conveying box The interior of the gearbox is connected to the gear train by a third rotating shaft through a bearing, the outer wall of the third rotating shaft is fixedly connected to the second conveying blade, the second conveying blade is fixedly connected to the sub-bevel gear at one end close to the main bevel gear, the end of the third rotating shaft away from the sub-bevel gear is fixedly connected to the driving wheel, the driving wheel is rotatably connected to a rotating belt, the upper part of the conveying box is connected to a crushing box, the upper part of the crushing box is connected to a feed hopper, the interior of the crushing box is rotatably connected to the fourth rotating shaft through a bearing, the outer wall of the fourth rotating shaft is fixedly connected to a crushing roller, the outer end of the fourth rotating shaft is fixedly connected to the driven wheel, and the outer wall of the outer end of the fourth rotating shaft is fixedly connected to a transmission tooth.

[0013] Preferably, the disassembly and assembly mechanism includes an electric push rod fixedly installed inside the box body through a mounting plate, the output end of the electric push rod is fixedly connected to the bottom plate, the upper part of the bottom plate is provided with a convex groove, the inner wall of the convex groove is slidably connected to a convex column, the front of the bottom plate is provided with a clamping groove, the front of the bottom plate is rotatably connected to a rotating rod through a bearing, one end of the rotating rod is movably connected to a clamping rod, the outer end of the clamping rod is fixedly connected to a limiting block, the outer side of the rotating rod is fixedly connected to a spring, the inner wall of the box body is provided with a sliding groove, the inner wall of the sliding groove is fixedly connected to the sliding rod, and the outer wall of the sliding rod is slidably connected to the slider.

[0014] Preferably, the first rotating shaft is rotatably connected to the feed pipe through a bearing, and through the cooperation of the second motor, the second rotating shaft, the main bevel gear, the auxiliary bevel gear, the conveying box, the third rotating shaft, the second conveying blade, the driving wheel, the rotating belt, the crushing box, the fourth rotating shaft, the crushing roller, the driven wheel, and the transmission teeth, the feed can be crushed and conveyed to the mixing box, and then different feeds can be stirred and mixed. Then, through the cooperation of the first motor, the first rotating shaft, and the first conveying blade, the mixed feed can be conveyed to the connecting pipe, thereby increasing the applicability of the device.

[0015] Preferably, the main bevel gear is meshed with the auxiliary bevel gear, and the second rotating shaft is rotatably connected to the box cover through a bearing.

[0016] Preferably, the rotating belt is rotationally connected to the driven wheel.

[0017] Preferably, the fourth rotating shaft, the crushing roller and the transmission teeth are all in number of two, and the two transmission teeth are meshed with each other.

[0018] Preferably, the upper part of the convex column is fixedly connected to the feed trough, the clamping rod is clamped with the clamping groove, and the outer end of the spring is fixedly connected to the limit block. Through the cooperation of the electric push rod, the bottom plate, the sliding rod, and the slider, the bottom plate can be raised and lowered, so that the height of the feed trough can be adjusted, and then black pigs of different sizes can be fed, thereby further increasing the applicability of the device. At the same time, through the cooperation of the convex groove, the convex column, the clamping groove, the rotating rod, the clamping rod, and the spring, it is convenient to manually disassemble and clean the feed trough, which can prevent the feed residue in the feed trough from deteriorating and affecting subsequent use.

[0019] Preferably, there are two convex columns, which are symmetrically distributed in the lower part of the trough.

[0020] Preferably, the outer side of the slider is fixedly connected to the base plate.

[0021] The utility model provides an automatic feeding trough for black pig breeding. The automatic feeding trough for black pig breeding has the following beneficial effects:

[0022] (1) The automatic feeding trough for black pig breeding is provided with a feeding mechanism. Under the action of the second motor, the second rotating shaft, the main bevel gear, the auxiliary bevel gear, the conveying box, the third rotating shaft, the second conveying blade, the driving wheel, the rotating belt, the crushing box, the fourth rotating shaft, the crushing roller, the driven wheel, and the transmission gear, the feed can be crushed and conveyed to the mixing box. Subsequently, different feeds can be stirred and mixed. Then, under the action of the first motor, the first rotating shaft, and the first conveying blade, the mixed feed can be conveyed to the connecting pipe, thereby increasing the applicability of the device;

[0023] (2) The automatic feeding trough for black pig breeding is provided with a disassembly and assembly mechanism. Under the action of the electric push rod, the bottom plate, the sliding rod and the slider, the bottom plate can be raised and lowered, thereby adjusting the height of the trough, and then feeding black pigs of different sizes can be performed, thereby further increasing the applicability of the device. At the same time, under the action of the convex groove, the convex column, the clamping groove, the rotating rod, the clamping rod and the spring, it is convenient for manual disassembly and cleaning of the trough, which can prevent the feed residue in the trough from deteriorating and affecting subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the feeding mechanism structure of the utility model;

[0027] Figure 4 This is a schematic diagram of the disassembly and assembly mechanism structure of the utility model;

[0028] In the figure: 1, box body; 2, mixing box; 3, connecting assembly; 31, feeding mechanism; 311, first motor; 312, first rotating shaft; 313, first conveying blade; 314, discharge pipe; 315, box cover; 316, second motor; 317, second rotating shaft; 318, main bevel gear; 319, auxiliary bevel gear; 3110, conveying box; 3111, third rotating shaft; 3112, second conveying blade; 3113, driving wheel; 3114, rotating Belt; 3115, crushing box; 3116, fourth rotating shaft; 3117, crushing roller; 3118, driven wheel; 3119, transmission gear; 32, disassembly and assembly mechanism; 321, electric push rod; 322, bottom plate; 323, convex groove; 324, convex column; 325, clamping groove; 326, rotating rod; 327, clamping rod; 328, spring; 329, slide groove; 3210, slide rod; 3211, slider; 4, connecting pipe; 5, material trough; 6, material delivery pipe. DETAILED DESCRIPTION

[0029] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation methods of the present invention are now described with reference to the accompanying drawings.

[0030] Example 1: Figure 1-4As shown, the utility model provides a technical solution: an automatic feeding trough for black pig breeding, comprising a box body 1, a mixing box 2 fixedly mounted on the upper part of the box body 1, a feed pipe 6 fixedly mounted inside the box body 1, a feed trough 5 arranged inside the box body 1, a connecting pipe 4 arranged at the bottom of the mixing box 2, and a connecting assembly 3 arranged on one side of the box body 1, the connecting assembly 3 including a feeding mechanism 31 arranged at the upper part of the box body 1, a disassembly mechanism 32 arranged inside the box body 1, the bottom end of the connecting pipe 4 is connected to the feed pipe 6, and the connecting pipe 4 is connected to the feed pipe 6. The feeding mechanism 31 includes a first motor 311 fixedly mounted on the right side of the box body 1 through a base, the output end of the first motor 311 is fixedly connected to a first rotating shaft 312, the outer wall of the first rotating shaft 312 is fixedly connected to a first conveying blade 313, the bottom of the conveying pipe 6 is connected to a discharge pipe 314, and the bottom of the discharge pipe 314 is provided with an electric control valve, the upper part of the mixing box 2 is provided with a box cover 315, the upper part of the box cover 315 is fixedly mounted with a second motor 316 through a mounting bracket, and the output end of the second motor 316 is fixedly connected to There is a second rotating shaft 317, the outer wall of the second rotating shaft 317 is fixedly connected to the stirring rod, the outer wall of the second rotating shaft 317 is fixedly connected to the main bevel gear 318, the upper part of the box cover 315 is connected to the conveying box 3110, the inner part of the conveying box 3110 is rotatably connected to the third rotating shaft 3111 through the bearing, the outer wall of the third rotating shaft 3111 is fixedly connected to the second conveying blade 3112, the second conveying blade 3112 is fixedly connected to the auxiliary bevel gear 319 at one end close to the main bevel gear 318, and the third rotating shaft 3111 is away from the auxiliary bevel gear 319. One end of 19 is fixedly connected to a driving wheel 3113, and the driving wheel 3113 is rotatably connected to a rotating belt 3114. The upper part of the conveying box 3110 is connected to a crushing box 3115, and the upper part of the crushing box 3115 is connected to a feed hopper. The inside of the crushing box 3115 is rotatably connected to a fourth rotating shaft 3116 through a bearing, and the outer wall of the fourth rotating shaft 3116 is fixedly connected to a crushing roller 3117. The outer end of the fourth rotating shaft 3116 is fixedly connected to a driven wheel 3118, and the outer wall of the outer end of the fourth rotating shaft 3116 is fixedly connected to a transmission tooth 3119.

[0031] In this embodiment, the first rotating shaft 312 is rotatably connected to the feed pipe 6 through a bearing. Through the cooperation of the second motor 316, the second rotating shaft 317, the main bevel gear 318, the secondary bevel gear 319, the conveying box 3110, the third rotating shaft 3111, the second conveying blade 3112, the driving wheel 3113, the rotating belt 3114, the crushing box 3115, the fourth rotating shaft 3116, the crushing roller 3117, the driven wheel 3118, and the transmission gear 3119, the feed can be crushed and conveyed to the mixing box 2, and then different feeds can be stirred and mixed. Then, through the cooperation of the first motor 311, the first rotating shaft 312, and the first conveying blade 313, the mixed feed can be conveyed to the connecting pipe 4, thereby increasing the applicability of the device.

[0032] Furthermore, the main bevel gear 318 is meshed with the auxiliary bevel gear 319 , and the second rotating shaft 317 is rotatably connected to the box cover 315 via a bearing.

[0033] Furthermore, the rotating belt 3114 is rotatably connected to the driven pulley 3118 .

[0034] Furthermore, there are two fourth rotating shafts 3116 , two crushing rollers 3117 , and two transmission teeth 3119 , and the two transmission teeth 3119 are meshed with each other.

[0035] When the device is in use, the second motor 316 is first turned on manually, and then the feed is manually added from the feed hopper into the crushing box 3115. The second motor 316 drives the second rotating shaft 317 to rotate, so that the stirring rod fixedly connected to the outer wall of the second rotating shaft 317 can rotate synchronously. When the second rotating shaft 317 rotates, the third rotating shaft 3111 can be rotated synchronously under the action of the main bevel gear 318 and the auxiliary bevel gear 319, so that the second conveying blade 3112 fixedly connected to the outer wall of the third rotating shaft 3111 can rotate synchronously. Through the rotation of the third rotating shaft 3111, under the action of the driving wheel 3113, the rotating belt 3114, and the driven wheel 3118, the fourth rotating shaft 3116 can be rotated synchronously, so that the crushing roller 3117 fixedly connected to the outer wall of the fourth rotating shaft 3116 can rotate, and under the action of the two transmission teeth 3119, the two crushing rollers 3117 rotate in opposite directions, thereby crushing the feed added to the crushing box 3115, preventing the damp and agglomerated feed from entering the mixing box 2 and affecting the mixing effect. The crushed feed will fall into the conveying box 3110, and then the second conveying blade 3112 rotates to convey the crushed feed into the mixing box 2, and then the second rotating shaft 317 drives the stirring rod to rotate, so that the feed can be stirred and mixed. When the feed is mixed, the electric control valve set in the middle of the connecting pipe 4 is opened, so that the feed can fall into the feeding pipe 6, and then the first rotating shaft 312 is driven to rotate by the first motor 311, so that the first conveying blade 313 fixedly connected to the outer wall of the first rotating shaft 312 can rotate synchronously, and then the feed can be conveyed to the trough 5 through the discharge pipe 314, saving manpower and eliminating the need for manual feeding operations, thereby increasing the applicability of the device.

[0036] Example 2: Based on Example 1, the preferred embodiment of the automatic feeding trough for black pig breeding provided by the present invention is as follows: Figures 1 to 4As shown: the disassembly and assembly mechanism 32 includes an electric push rod 321 fixedly installed inside the box body 1 through a mounting plate, the output end of the electric push rod 321 is fixedly connected to the base plate 322, the upper part of the base plate 322 is provided with a convex groove 323, the inner wall of the convex groove 323 is slidably connected to a convex column 324, the front part of the base plate 322 is provided with a clamping groove 325, the front part of the base plate 322 is rotatably connected to a rotating rod 326 through a bearing, one end of the rotating rod 326 is movably connected to a clamping rod 327, the outer end of the clamping rod 327 is fixedly connected to a limiting block, the outer side of the rotating rod 326 is fixedly connected to a spring 328, a sliding groove 329 is provided on the inner wall of the box body 1, the inner wall of the sliding groove 329 is fixedly connected to a sliding rod 3210, and the outer wall of the sliding rod 3210 is slidably connected to a slider 3211.

[0037] In this embodiment, the upper part of the convex column 324 is fixedly connected to the feed trough 5, the clamping rod 327 is clamped with the clamping groove 325, and the outer end of the spring 328 is fixedly connected to the limit block. Through the cooperation of the electric push rod 321, the bottom plate 322, the sliding rod 3210, and the slider 3211, the bottom plate 322 can be raised and lowered, so that the height of the feed trough 5 can be adjusted, and then black pigs of different sizes can be fed, thereby further increasing the applicability of the device. At the same time, through the cooperation of the convex groove 323, the convex column 324, the clamping groove 325, the rotating rod 326, the clamping rod 327, and the spring 328, it is convenient to manually disassemble and clean the feed trough 5, which can prevent the feed residue in the feed trough 5 from deteriorating and affecting subsequent use.

[0038] Furthermore, there are two convex columns 324 symmetrically distributed at the lower part of the trough 5 .

[0039] Furthermore, the outer side of the slider 3211 is fixedly connected to the bottom plate 322 .

[0040] The bottom plate 322 can be adjusted up and down by the electric push rod 321, so that black pigs of different sizes can be fed, thereby further increasing the applicability of the device. Under the action of the sliding rod 3210 and the slider 3211, the bottom plate 322 can be made more stable during the lifting process. Furthermore, when it is necessary to disassemble the feed trough 5, it is only necessary to manually pull the clamping rod 327 outward to move the clamping rod 327 outward and separate it from the clamping groove 325, and then manually rotate the rotating rod 326 to move the rotating rod 326 away from the outside of the convex column 324. Then, the feed trough 5 can be manually taken out, which is convenient for manual disassembly and cleaning of the feed trough 5, and can prevent the feed residue in the feed trough 5 from deteriorating and affecting subsequent use.

[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic feeding trough for black pig breeding, comprising a box body (1); A mixing box (2) fixedly mounted on the upper portion of the box body (1); A material delivery pipe (6) fixedly mounted inside the box (1); A material trough (5) is arranged inside the box (1); Connecting to a connecting pipe (4) provided at the bottom of the stirring box (2); and a connecting assembly (3) arranged on one side of the box (1), characterized in that: The connecting assembly (3) comprises a feeding mechanism (31) arranged on the upper part of the box body (1); a disassembly mechanism (32) is arranged inside the box body (1); the bottom end of the connecting pipe (4) is connected to the feeding pipe (6); and an electric control valve is arranged in the middle of the connecting pipe (4).

2. The automatic feeding trough for black pig breeding according to claim 1, characterized in that: The feeding mechanism (31) comprises a first motor (311) fixedly mounted on the right side of the box body (1) via a base, an output end of the first motor (311) is fixedly connected to a first rotating shaft (312), an outer wall of the first rotating shaft (312) is fixedly connected to a first conveying blade (313), a discharge pipe (314) is provided at the bottom of the conveying pipe (6), and an electric control valve is provided at the bottom of the discharge pipe (314), and a box cover (315) is provided on the upper part of the mixing box (2). A second motor (316) is fixedly mounted on the upper portion of the box cover (315) via a mounting bracket. The output end of the second motor (316) is fixedly connected to a second rotating shaft (317). The outer wall of the second rotating shaft (317) is fixedly connected to a stirring rod. The outer wall of the second rotating shaft (317) is fixedly connected to a main bevel gear (318). The upper portion of the box cover (315) is connected to a conveying box (3110). The interior of the conveying box (3110) is rotatably connected to a third rotating shaft (317) via a bearing. The outer wall of the third rotating shaft (3111) is fixedly connected to a second conveying blade (3112), and the second conveying blade (3112) is fixedly connected to the side bevel gear (319) at one end close to the main bevel gear (318). The end of the third rotating shaft (3111) away from the side bevel gear (319) is fixedly connected to a driving wheel (3113), and the driving wheel (3113) is rotatably connected to a rotating belt (3114). The conveying box (3110) A crushing box (3115) is connected to the upper part, and a feed hopper is connected to the upper part of the crushing box (3115). A fourth rotating shaft (3116) is rotatably connected to the inside of the crushing box (3115) through a bearing. A crushing roller (3117) is fixedly connected to the outer wall of the fourth rotating shaft (3116). A driven wheel (3118) is fixedly connected to the outer end of the fourth rotating shaft (3116). A transmission tooth (3119) is fixedly connected to the outer wall of the outer end of the fourth rotating shaft (3116).

3. The automatic feeding trough for black pig breeding according to claim 1, characterized in that: The disassembly and assembly mechanism (32) comprises an electric push rod (321) fixedly mounted inside the box body (1) via a mounting plate, an output end of the electric push rod (321) being fixedly connected to a bottom plate (322), a convex groove (323) being provided on the upper portion of the bottom plate (322), a convex column (324) being slidably connected to the inner wall of the convex groove (323), a clamping groove (325) being provided on the front portion of the bottom plate (322), and a bearing being provided on the front portion of the bottom plate (322). A rotating rod (326) is rotatably connected, one end of the rotating rod (326) is movably connected to a clamping rod (327), the outer end of the clamping rod (327) is fixedly connected to a limit block, the outer side of the rotating rod (326) is fixedly connected to a spring (328), the inner wall of the box body (1) is provided with a sliding groove (329), the inner wall of the sliding groove (329) is fixedly connected to a sliding rod (3210), and the outer wall of the sliding rod (3210) is slidably connected to a slider (3211).

4. The automatic feeding trough for black pig breeding according to claim 2, characterized in that: The first rotating shaft (312) is rotatably connected to the material conveying pipe (6) via a bearing.

5. The automatic feeding trough for black pig breeding according to claim 2, characterized in that: The main bevel gear (318) is meshed with the auxiliary bevel gear (319), and the second rotating shaft (317) is rotationally connected to the box cover (315) through a bearing.

6. The automatic feeding trough for black pig breeding according to claim 2, characterized in that: The rotating belt (3114) is rotationally connected to the driven wheel (3118).

7. The automatic feeding trough for black pig breeding according to claim 2, characterized in that: The fourth rotating shaft (3116), the crushing roller (3117), and the transmission teeth (3119) are all provided in two pieces, and the two transmission teeth (3119) are meshed with each other.

8. The automatic feeding trough for black pig breeding according to claim 3, characterized in that: The upper portion of the convex column (324) is fixedly connected to the material trough (5), the clamping rod (327) is clamped to the clamping groove (325), and the outer end of the spring (328) is fixedly connected to the limit block.

9. The automatic feeding trough for black pig breeding according to claim 3, characterized in that: There are two convex columns (324) symmetrically distributed at the lower part of the trough (5).

10. The automatic feeding trough for black pig breeding according to claim 3, characterized in that: The outer side of the slider (3211) is fixedly connected to the bottom plate (322).

Citation Information

Patent Citations

  • Breed and use automatic feeding trough

    CN207054429U