Excrement and trough cleaning and sterilizing device for laying hen farm

Abstract

The utility model discloses an excrement and trough cleaning and disinfecting device for a laying hen farm, which comprises an excrement cleaning and disinfecting unit, a trough cleaning and disinfecting unit and a control panel, and the excrement cleaning and disinfecting unit comprises a support frame, a conveying belt, a cleaning box, a cleaning box, a disinfecting box and a drying box, the feeding trough cleaning and disinfecting unit comprises an electric sliding rail, a feeding trough scraping plate, a flushing and disinfecting pipe and a residue discharging pipe, and all electric control components in the excrement cleaning and disinfecting unit and the feeding trough cleaning and disinfecting unit are connected and controlled through wires and a control panel; according to the utility model, the manure cleaning and disinfecting unit, the trough cleaning and disinfecting unit and the control panel are arranged on the coop for combined use, so that manure generated by laying hen breeding can be collected and treated, and then the conveying belt for conveying the manure is disinfected to reduce peculiar smell and virus transmission in a breeding house; in addition, the feeding trough of the coop can be cleaned and disinfected, bacteria breeding in the feeding trough is avoided, a good feeding environment is provided for laying hens, and the egg laying yield is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of breeding auxiliary tool, concretely relates to a kind of excrement and trough cleaning and disinfecting device for laying hen farm. BACKGROUND

[0002] Laying hen refers to the chicken that is raised to lay eggs to supply eggs, and laying hen breeding is very common. In order to improve the efficiency of laying hen breeding and facilitate, cage laying hen is usually used, the feeding density is high, and the feeding conditions are easy to control artificially to ensure the stability of egg production rate of laying hen.

[0003] In the large-scale breeding of laying hen, laying hen breathes and contacts in the same henhouse, and the occurrence and spread of respiratory diseases are mainly caused by air pollution due to long-term accumulation of residual feed in excrement and trough, which causes various pathogenic bacteria to breed and spread, and to spread to each other through air flow. With the increase of breeding period, air pollution becomes more and more serious, the environment gradually deteriorates, leading to rapid spread of respiratory diseases and difficult control. In particular, the cleaning of trough, the residual dead angle in the used feeding trough stays, and the residual feed in the trough is accumulated and fermented for a long time in the next feeding, which is easy to generate a large amount of bacteria and other harmful components to the growth, and is easy to cause health problems. Therefore, the cleaning of excrement and trough is the most important in the breeding work.

[0004] At present, the cleaning of chicken manure and trough in the farm is mostly manually cleaned, which has high labor intensity, low cleaning efficiency, incomplete collection and inconvenience. SUMMARY

[0005] To solve the above problems, the utility model provides an excrement and trough cleaning and disinfecting device for laying hen farm, which can quickly clean and disinfect the excrement and residual feed of laying hen.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme, an excrement and trough cleaning and disinfecting device for laying hen farm, which comprises an excrement cleaning and disinfecting unit, a trough cleaning and disinfecting unit and a control panel.

[0007] The excrement cleaning and disinfecting unit comprises a support frame, a conveyor belt, a cleaning box, a washing box, a disinfecting box and a drying box. The support frame is arranged on the bottom surface of the henhouse and connected with the support frame of the henhouse. The driving roller and the driven roller are respectively installed on the two ends of the support frame, and the transmission motor is installed on the driving roller. The conveyor belt is installed on the driving roller and the driven roller.

[0008] The cleaning box is arranged below the conveying belt near the driven roller side and is connected with the support of the chicken cage, the top surface and the bottom surface of the cleaning box are open structures, a detachable collection bag is installed on the bottom surface, a plurality of installation strip grooves are further formed on the inner side wall, a clamping group is arranged in the cleaning box, the clamping group includes a first clamping roller and a second clamping roller, which are respectively arranged at the feeding end and the discharging end of the cleaning box and are located above the conveying belt for clamping, a scraper group is arranged between the first clamping roller and the second clamping roller, which is composed of two scrapers, the scraper near the first clamping roller is a first scraper, and the scraper near the second clamping roller is a second scraper, the first scraper is connected with the inner side wall of the cleaning box, the scraping surface is a sawtooth structure, and the horizontal height of the scraping surface is higher than the horizontal height of the bottom surface of the first clamping roller and the second clamping roller, and the installation mode of the second scraper is the same as that of the first scraper, and the scraping surface is a thin flat structure.

[0009] The cleaning box is arranged below the conveying belt near the driven roller side and is connected with the support of the chicken cage, the top surface and the bottom surface of the cleaning box are open structures, a detachable collection bag is installed on the bottom surface, a plurality of installation strip grooves are further formed on the inner side wall, a clamping group is arranged in the cleaning box, the clamping group includes a first clamping roller and a second clamping roller, which are respectively arranged at the feeding end and the discharging end of the cleaning box and are located above the conveying belt for clamping, a scraper group is arranged between the first clamping roller and the second clamping roller, which is composed of two scrapers, the scraper near the first clamping roller is a first scraper, and the scraper near the second clamping roller is a second scraper, the first scraper is connected with the inner side wall of the cleaning box, the scraping surface is a sawtooth structure, and the horizontal height of the scraping surface is higher than the horizontal height of the bottom surface of the first clamping roller and the second clamping roller, and the installation mode of the second scraper is the same as that of the first scraper, and the scraping surface is a thin flat structure.

[0010] The disinfection box is arranged at the output end of the cleaning box, the disinfection box is composed of an upper shell and a lower shell, input strip holes and output strip holes are formed on the opposite end faces of the upper shell and the lower shell, the conveying belt passes between the two strip holes, a drain hole and a disinfection hole are formed on the bottom surface of the lower shell of the disinfection box, a valve is installed in the drain hole, and an atomizing nozzle is installed in the disinfection hole, the atomizing nozzle is connected with an external disinfectant barrel through a pressure pump and a pipeline.

[0011] The drying box is located at the output strip hole side of the disinfection box, the two end faces are open structures, the top surface is a detachable structure, and a plurality of electric heating plates are installed on the inner side wall, and the conveying belt passes through the box.

[0012] The trough cleaning and disinfecting unit comprises an electric sliding rail, a trough scraper, a flushing and disinfecting pipe and a residue discharge pipe, the electric sliding rail is arranged on the top surface of the frame of the trough of the chicken cage and connected with the trough body, the top surface of the trough body on the other side is provided with an auxiliary rail, a connecting rod is arranged between the sliding blocks of the electric sliding rail and the auxiliary rail, the surface of the trough scraper is matched with the inner cavity of the trough in size and shape, the top surface of the trough scraper is connected with the connecting rod, the residue discharge pipe is arranged on the bottom of the trough at one end and connected with the trough through an electromagnetic valve, the flushing and disinfecting pipe is connected with the side surface of the trough at the other end, a three-way pipe is arranged at the interface of the flushing and disinfecting pipe, one pipe of the three-way pipe is connected with a disinfecting liquid barrel through an electromagnetic valve and a pipe, and the other pipe is connected with a water supply pipe.

[0013] The electric control components in the excrement cleaning and disinfecting unit and the trough cleaning and disinfecting unit are connected with the control panel through wires for control.

[0014] As an optimization scheme of the present case, in order to prevent too many water droplets from adhering to the belt surface of the conveying belt after cleaning, an extrusion mechanism is arranged at the discharge end of the cleaning box.

[0015] Further, the extrusion mechanism comprises a mounting plate, two adjusting columns and two extrusion rollers, the mounting plate is connected with the discharge end of the cleaning box, the two adjusting columns are oppositely arranged above the mounting plate, adjusting grooves are arranged in the middle upper portions of the adjusting columns, the two extrusion rollers are arranged between the two adjusting columns, one end of each extrusion roller is connected with the middle lower portion of the adjusting column, and the other end is connected with the middle upper portion of the adjusting column, the shafts of the two ends of each extrusion roller pass out of the adjusting grooves of the adjusting columns, threads are arranged on the passing-out portions, and lock nuts are arranged on the threads.

[0016] Further, in order to prevent the water droplets from flowing outwards under extrusion, the mounting plate is arranged to be inclined towards the inside of the cleaning box.

[0017] Beneficial effects: the excrement cleaning and disinfecting unit, the trough cleaning and disinfecting unit and the control panel are combined to be used on the chicken cage, so that the excrement generated in the laying hen breeding can be collected and treated, the conveying belt conveying the excrement can be disinfected to reduce the peculiar smell and virus transmission in the breeding house, the trough of the chicken cage can be cleaned and disinfected to avoid the breeding of bacteria in the feeding trough, a good feeding environment is provided for the laying hens, and the egg laying yield is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present utility model in use.

[0019] Figure 2 It is a structural schematic diagram of the excrement cleaning and disinfecting unit in the present utility model.

[0020] Figure 3It is the structure schematic view of the trough cleaning and disinfecting unit in the utility model.

[0021] Figure 4 It is the structure schematic view of the cleaning box in the utility model.

[0022] Figure 5 It is the structure schematic view of the cleaning box in the utility model.

[0023] Figure 6 It is the structure schematic view of the disinfecting box in the utility model.

[0024] Figure 7 It is the structure schematic view of the drying box in the utility model.

[0025] In the figure: 1, excrement cleaning and disinfecting unit; 2, trough cleaning and disinfecting unit; 3, control panel; 4, chicken coop; 5, conveying belt; 6, cleaning box; 7, cleaning box; 8, disinfecting box; 9, drying box; 10, collection bag; 11, first pinch roller; 12, second pinch roller; 13, first scraper; 14, second scraper; 15, cover plate; 16, scouring roller; 17, atomizing nozzle; 18, electric heating plate; 19, electric sliding rail; 20, trough scraper; 21, flushing and disinfecting pipe; 22, residue discharge pipe; 23, mounting plate; 24, adjusting column; 25, extrusion roller. DETAILED DESCRIPTION

[0026] The utility model is further described below in combination with the drawings and examples.

[0027] Wherein same parts are indicated with same reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a specific part, and the drawings are in a very simplified form, using non-precise ratios, only to facilitate, clearly assist in explaining the purpose of the embodiments of the utility model. Example 1

[0028] As Figures 1-7 shown, the utility model discloses a kind of excrement and trough cleaning and disinfecting device for laying hen farm, excrement and food residue in laying hen farm are cleaned, specifically including excrement cleaning and disinfecting unit 1, trough cleaning and disinfecting unit 2 and control panel 3, refer to Figure 1 , the control panel is arranged at the position of one side of chicken coop 4 for easy operation.

[0029] Refer to Figure 2 , Figures 4-7The excrement cleaning and disinfecting unit 1 comprises a support frame, a conveying belt 5, a cleaning box 6, a washing box 7, a disinfecting box 8 and a drying box 9, the support frame is arranged on the bottom surface of the chicken coop 4 and connected with the support frame of the chicken coop 4, driving rollers and driven rollers are respectively arranged on the two ends of the support frame, a transmission motor is arranged on the driving roller, and the conveying belt 5 is arranged on the driving roller and the driven roller.

[0030] Referring to Figure 2 The cleaning box 6 is arranged below the conveying belt 5 on the side close to the driven roller and connected with the support frame of the chicken coop 4, and the specific structure can be known from Figure 4 The top surface and the bottom surface of the cleaning box 6 are of an open structure, a detachable collecting bag 10 is arranged on the bottom surface, a plurality of installation groove are arranged on the inner side wall of the collecting bag 10, a clamping group is arranged in the cleaning box 6, the clamping group comprises a first clamping roller 11 and a second clamping roller 12, which are respectively arranged at the feeding end and the discharging end of the cleaning box 6 and located above the conveying belt 5 for clamping, a scraper group is arranged between the first clamping roller 11 and the second clamping roller 12, which comprises two scrapers, one of which is a first scraper 13 close to the first clamping roller 11 and the other is a second scraper 14 close to the second clamping roller 12, the first scraper 13 is connected with the inner side wall of the washing box 7, the scraping surface of the first scraper 13 is of a sawtooth structure, and the horizontal height of the scraping surface is higher than the horizontal height of the bottom surface of the first clamping roller 11 and the second clamping roller 12, and the second scraper is arranged in the same way as the first scraper, and the scraping surface of the second scraper is of a thin and flat structure.

[0031] From Figure 1 and Figure 2 It can be seen that the washing box 7 is arranged below the conveying belt 5 on the output end side of the washing box 7 and connected with the support frame of the chicken coop 4, the horizontal height of the top surface of the washing box 7 is lower than the horizontal height of the top surface of the cleaning box 6, and the specific structure can be known from Figure 5 The top surface of the washing box 7 is of an open structure, a sewage discharge pipe is arranged on the bottom surface, an electromagnetic valve is arranged on the sewage discharge pipe, a water inlet pipe is connected to the upper side of the washing box 7, the water inlet pipe is connected to an external water supply pipe through the electromagnetic valve, a detachable cover plate 15 is arranged at the opening of the washing box 7, the cover plate 15 is located above the conveying belt 5, the length of the cover plate 15 is two-thirds of the length of the top surface of the washing box 7, and supporting rods are respectively arranged at the two ends of the cover plate 15, a scrubbing roller 16 is arranged on the inner side wall of the box below the cover plate 15, the driving end of the scrubbing roller 16 penetrates out of the box and is connected with a transmission motor, a brush layer is arranged on the roller surface of the scrubbing roller 16, and the brush layer is in contact with the bottom surface of the cover plate 15.

[0032] Referring to Figure 1 and Figure 2 The disinfecting box 8 is arranged on the output end side of the washing box 7, and the specific structure can be known from Figure 6The disinfection box 8 is composed of an upper shell and a lower shell. Input and output strip holes are oppositely arranged on the two end faces of the upper and lower shells, and the conveying belt 5 passes between the two strip holes. A drainage hole and a disinfection hole are arranged on the bottom face of the lower shell of the disinfection box 8. A valve is arranged in the drainage hole, and an atomizing nozzle 17 is arranged in the disinfection hole. The atomizing nozzle 17 is connected with an external disinfectant barrel through a pressure pump and a pipeline.

[0033] Referring to Figure 2 and Figure 7 It can be seen that the drying box 9 is located at the output strip hole side of the disinfection box 8, and the two end faces are open structures, the top face is a detachable structure, and a plurality of electric heating plates 18 are arranged on the inner side wall. The conveying belt 5 passes through the box.

[0034] Referring to Figure 3 The trough cleaning and disinfecting unit 2 includes an electric sliding rail 19, a trough scraper 20, a flushing and disinfecting pipe 21, and a residue discharge pipe 22. The electric sliding rail 19 is arranged on the top face of the frame of the trough of the chicken coop 4 and is connected with the trough body. An auxiliary rail is arranged on the top face of the other trough body. A connecting rod is arranged between the sliding blocks of the electric sliding rail 19 and the auxiliary rail. The plate face of the trough scraper 20 is matched with the inner trough cavity of the trough in size and shape, and the top face of the trough scraper 20 is connected with the connecting rod. The residue discharge pipe 22 is arranged on the trough bottom at one end of the trough and is connected with the trough through an electromagnetic valve. The flushing and disinfecting pipe 21 is connected with the side face at the other end of the trough. A three-way pipe is arranged at the interface of the flushing and disinfecting pipe 21. One pipe is connected with a disinfectant barrel through an electromagnetic valve and a pipeline, and the other pipe is connected with a water supply pipe.

[0035] Referring to Figure 1 The electric control components in the excrement cleaning and disinfecting unit 1 and the trough cleaning and disinfecting unit 2 are connected with the control panel 3 through wires for control. Example 2

[0036] As shown in Figures 1-7 , the specific structure and implementation are the same as those of example 1, except that referring to Figure 5 , the discharge port end of the cleaning box 7 is provided with a squeezing mechanism.

[0037] The specific structure is shown in Figure 5The extrusion mechanism comprises a mounting plate 23, two adjusting columns 24 and two extrusion rollers 25, the mounting plate 23 is connected with the discharging end of the cleaning tank 7, the two adjusting columns 24 are oppositely arranged above the mounting plate 23, the middle upper part of the adjusting column 24 is provided with an adjusting groove, the two extrusion rollers 25 are arranged between the two adjusting columns 24, one end of the extrusion roller 25 is connected with the middle lower part of the adjusting column 24, and the other end is connected with the middle upper part of the adjusting column 24, the shafts at the two ends of the extrusion roller 25 pass out of the adjusting grooves of the adjusting columns 24, the passing-out parts are provided with threaded structures, and the threaded structures are sleeved with locking nuts, and the positions of the extrusion rollers 25 on the adjusting columns 24 are adjusted by the locking nuts to extrude the conveying belt 5.

[0038] From Figure 5 It can be seen that the mounting plate 23 is obliquely arranged towards the inside of the cleaning tank 7.

[0039] In use, referring to Figure 1 The device is installed on the cage 4, so that the excrement of the laying hens falls on the conveying belt 5, when the excrement needs to be cleaned, the control panel 3 controls the conveying belt 5 to move, so that the excrement on the surface of the conveying belt 5 falls into the cleaning tank 6, the agglomerated excrement on the surface of the conveying belt 5 is first scraped by the serrated blade surface of the first scraper, and then scraped by the flat blade surface of the second scraper and falls into the collecting bag 10 for collection and treatment.

[0040] After most of the excrement is scraped, the conveying belt 5 enters the cleaning tank 7, the residual excrement is brushed by the scrubbing roller 16 and the brush layer on the surface of the conveying belt 5, and then the water droplets on the surface of the conveying belt 5 are extruded back into the cleaning tank 7 by the extrusion mechanism, and then the conveying belt 5 enters the sterilizing tank 8, the external sterilizing liquid is atomized by the atomizing nozzle 17 and the pressure pump to spray and sterilize the conveying belt 5, and finally the conveying belt 5 enters the drying tank 9 for drying, and then the collection of the excrement of the laying hens can be continued.

[0041] When the feeding trough needs to be cleaned, the control panel 3 first controls the electric sliding rail 19 to drive the feeding trough scraper 20 to move in the feeding trough, the residual feed is discharged from the residue discharge pipe 22, and then the feeding trough scraper 20 is reset, the electromagnetic valves of the flushing and disinfecting pipe 21 and the water supply pipe are opened, the cleaning water enters the feeding trough, and then the electromagnetic valves are closed, the feeding trough scraper 20 is used to clean the feeding trough, after the cleaning is completed, the feeding trough scraper 20 is reset, the electromagnetic valves between the flushing and disinfecting pipe 21 and the sterilizing liquid barrel are opened, the sterilizing water enters the feeding trough, and then the electromagnetic valves are closed, the feeding trough scraper 20 is used to disinfect the feeding trough, after the disinfection is completed, the feeding trough scraper 20 is reset, and all steps are completed.

[0042] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. A manure and trough cleaning and disinfecting device for a laying hen farm, comprising a manure cleaning and disinfecting unit (1), a trough cleaning and disinfecting unit (2) and a control panel (3) which is disposed at a position on one side of the hen cage (4) where it is easy to operate; characterized in that: The excrement cleaning and disinfecting unit (1) comprises a support frame, a conveying belt (5), a cleaning box (6), a washing box (7), a disinfecting box (8) and a drying box (9), the support frame is arranged on the bottom surface of the chicken coop (4) and connected with the support frame of the chicken coop (4), the two ends of the support frame are respectively provided with a driving roller and a driven roller, a transmission motor is arranged on the driving roller, and the conveying belt (5) is arranged on the driving roller and the driven roller; The cleaning box (6) is arranged below the conveying belt (5) on the side close to the driven roller and connected with the support frame of the chicken coop (4), the top surface and the bottom surface of the cleaning box (6) are of an open structure, a detachable collecting bag (10) is arranged on the bottom surface, a plurality of mounting grooves are formed in the inner side wall of the cleaning box (6), a clamping group is arranged in the cleaning box (6), the clamping group comprises a first clamping roller (11) and a second clamping roller (12), which are respectively arranged at the feeding end and the discharging end of the cleaning box (6) and located above the conveying belt (5) for clamping, a scraper group is arranged between the first clamping roller (11) and the second clamping roller (12), the scraper group comprises two scrapers, one of which is a first scraper (13) close to the first clamping roller (11), and the other is a second scraper (14) close to the second clamping roller (12), the first scraper (13) is connected with the inner side wall of the washing box (7), the scraping surface of the first scraper (13) is of a sawtooth structure, and the horizontal height of the scraping surface is higher than the horizontal height of the bottom surface of the first clamping roller and the second clamping roller (12), the mounting mode of the second scraper (14) is the same as that of the first scraper (13), and the scraping surface of the second scraper (14) is of a thin and flat structure; The washing box (7) is arranged below the conveying belt (5) on the output end side of the washing box (7) and connected with the support frame of the chicken coop (4), the horizontal height of the top surface of the washing box (7) is higher than that of the top surface of the cleaning box (6), the top surface of the washing box (7) is of an open structure, a sewage discharge pipe is arranged on the bottom surface, an electromagnetic valve is arranged on the sewage discharge pipe, a water inlet pipe is connected to the upper side of the washing box (7), the water inlet pipe is connected to an external water supply pipe through the electromagnetic valve, a detachable cover plate (15) is arranged at the opening of the washing box (7), the cover plate (15) is located above the conveying belt (5), the length of the cover plate (15) is two-thirds of the length of the top surface of the washing box (7), and the two ends of the cover plate (15) are respectively provided with a supporting rod, a scrubbing roller (16) is arranged on the inner side wall of the box below the cover plate (15), the driving end of the scrubbing roller (16) penetrates out of the box and is connected with a transmission motor, a brush layer is arranged on the roller surface of the scrubbing roller (16), and the brush layer is in contact with the bottom surface of the cover plate (15); The disinfecting box (8) is arranged on the output end side of the washing box (7), the disinfecting box (8) comprises an upper shell and a lower shell connected with the upper shell, input and output strip holes are formed on the opposite end faces of the upper shell and the lower shell, the conveying belt (5) penetrates between the two strip holes, a drainage hole and a disinfecting hole are formed on the bottom surface of the lower shell of the disinfecting box (8), a valve is arranged in the drainage hole, and an atomizing nozzle (17) is arranged in the disinfecting hole, the atomizing nozzle (17) is connected to an external disinfectant barrel through a pressure pump and a pipeline; The drying box (9) is located at the output strip hole side of the sterilization box (8), the two-point end face is an open structure, the top face is a detachable structure, a plurality of electric heating plates (18) are installed on the inner side wall, and the conveying belt (5) passes through the box body; The trough cleaning and disinfecting unit (2) comprises an electric sliding rail (19), a trough scraper (20), a flushing and disinfecting pipe (21), and a residue discharge pipe (22). The electric sliding rail (19) is arranged on the top face of the frame of the trough of the chicken cage (4) and is connected with the trough body. An auxiliary rail is arranged on the top face of the other side of the trough body. A connecting rod is arranged between the sliding blocks of the electric sliding rail (19) and the auxiliary rail. The size and shape of the plate face of the trough scraper (20) are matched with the inner groove cavity of the trough. The top face of the trough scraper (20) is connected with the connecting rod. The residue discharge pipe (22) is arranged at the bottom of one end of the trough and is connected with the trough through an electromagnetic valve. The flushing and disinfecting pipe (21) is connected with the side face of the other end of the trough. A three-way pipe is arranged at the interface of the flushing and disinfecting pipe (21). One pipe is connected with a disinfectant barrel through an electromagnetic valve and a pipeline. The other pipe is connected with a water supply pipe. The electric control components in the excrement cleaning and disinfecting unit (1) and the trough cleaning and disinfecting unit (2) are connected with the control panel (3) through wires for control.

2. A manure and feeding trough cleaning and disinfecting device for a laying hen farm according to claim 1, characterized in that: The discharge end of the cleaning box (7) is provided with a squeezing mechanism.

3. A manure and feeding trough cleaning and disinfecting device for a laying hen farm according to claim 2, characterized in that: The squeezing mechanism comprises a mounting plate (23), adjusting columns (24) and squeezing rollers (25). The mounting plate (23) is connected with the discharge end of the cleaning box (7). The number of the adjusting columns (24) is two, which are oppositely arranged above the mounting plate (23). An adjusting groove is arranged in the middle upper part of the adjusting column (24). The number of the squeezing rollers (25) is two, which are arranged between the two adjusting columns (24). One end of the squeezing roller (25) is connected with the middle lower part of the adjusting column (24), and the other end is connected with the middle upper part of the adjusting column (24). The shafts of the two ends of the squeezing roller (25) pass out of the adjusting groove of the adjusting column (24). Threaded structures are arranged on the passing-out parts, and locking nuts are arranged on the threaded structures. The positions of the squeezing rollers (25) in the adjusting columns (24) are adjusted through the locking nuts to squeeze the conveying belt (5).

4. A manure and feeding trough cleaning and disinfecting device for a laying hen farm according to claim 3, characterized in that: The mounting plate (23) is inclined towards the inside of the cleaning box (7).

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