CN212402453U - Novel excrement area straining device of modified - Google Patents

Abstract

The utility model provides a novel straining device is taken to modified excrement, the utility model discloses effectively solved the problem of its unable synchronous tensioning of current overspeed device tensioner, be provided with adjusting device in chicken coop frame one end, utilize the chain to take excrement to change the roller both sides and be connected to on the roof, rotate through the lead screw and make the support arm promote roof lateral shifting, and then make and change roller both ends atress simultaneously and lateral sliding to realize the synchronous tensioning in excrement area, avoided the excrement to take the tensioning and desynchronously cause the phenomenon that excrement area wearing and tearing aggravated, make the excrement area can keep stable work.

Description

Novel excrement area straining device of modified

Technical Field

The utility model relates to a excrement takes the tensioning field, especially relates to a novel excrement area straining device of modified.

Background

With the development of science and technology, the breeding mode of the breeding industry is gradually changed, and the chicken raising in cages is a relatively popular breeding mode in recent years and is also a common chicken raising mode in the chicken farm at present. Cage culture is that the chickens are cultured in the cages in a rapid and periodic manner through centralized artificial feeding, and the plurality of layers of the cages are vertically arranged at intervals, so that the henhouses of farmers can exert the maximum utilization rate, and the economic benefit is the highest; the cleaning of the excrement in the coops is an important part in the feeding process, and the survival rate of the chickens can be ensured only if the chickens are not easy to get ill and keep the henhouses clean, so that the benefit is ensured;

at present, there are more defects in the traditional clearance mode of chicken raised in cages, are provided with the excrement area between two vertical chicken coops usually, and excrement and urine falls on the excrement area and shifts along with the excrement area, then is collected by the excrement and urine collection device of one end. However, after the manure belt works for a period of time, a loosening phenomenon may occur, and even slipping may occur seriously, so that not only the manure belt is damaged, but also the efficiency of manure conveying is greatly reduced, while the traditional manure belt tensioning mode is generally screw tensioning, even if the screw abuts against a bearing on a rotating roller of a conveying belt, the rotating roller is moved by screwing the screw to achieve the purpose of tensioning, but the mode can only set the other side after one side is set, and because the two ends of the manure belt rotating roller cannot be tensioned synchronously, the rotating roller is slightly deviated to aggravate the wear of the manure belt, and a worker is required to check whether the tensioning devices of all chicken cages are loosened at regular time, so that not only a large amount of manpower and financial resources are consumed, but also the efficiency is not high; therefore, a tensioner capable of automatically and synchronously tensioning is important.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a novel excrement area overspeed device tensioner of modified, the utility model discloses better solution current excrement and taken overspeed device tensioner can't independently tensioning and the asynchronous problem of tensioning for the clean efficiency of chicken coop promotes greatly.

The specific technical scheme is as follows:

a novel improved dung belt tensioning mechanism comprises a coop frame, wherein multiple layers of coops are arranged at vertical intervals of the coop frame, and the dung belt tensioning mechanism is characterized in that each layer of coop is provided with an adjusting plate which is transversely slidably arranged on each of two longitudinal sides of one transverse end of the bottom of the coop, a rotating shaft is rotatably arranged between the adjusting plates, a chain is meshed on a chain wheel, far away from the coop, of the double-row chain wheel of the rotating shaft sleeve, one end of the chain is fixed on the double-row chain wheel, the other end of the chain is rotatably provided with a square pipe, the square pipe is transversely slidably matched with a vertical side wall of the coop frame, one end, far away from the double-row chain wheel, of the square pipe is fixedly provided with a top plate, an adjusting device is arranged on the top plate and driven by a motor fixed on the coop frame, a, the movable roller is matched with a manure belt in a rolling way, and the other end of the manure belt is matched with a fixed roller which is rotatably arranged on the chicken cage in a rolling way.

Preferably, install the removal roller cleaning device on the chicken coop frame, be located vertical slidable mounting has trigger device and is connected with reset spring between trigger device and the chicken coop frame on the chicken coop frame of chicken coop below, trigger device is used for the start-up of control motor, trigger device sets up in going upward excrement area below and interval setting.

Preferably, adjusting device includes that fixed mounting rotates on supporting seat and the supporting seat on the terminal surface that the roof is close to the chicken coop and installs two support arms, two the support arm is close to the one end rotation of chicken coop and installs lead screw nut and the common screw-thread fit of two lead screw nuts and rotates the lead screw of installing on the chicken coop frame, lead screw and two lead screw nut screw-thread fit position screw revolve to opposite, the lead screw is through motor drive.

Preferably, removal roller cleaning device includes excrement and urine collecting vat and the vertical both sides of excrement and urine collecting vat respectively demountable installation on the regulating plate, excrement and urine collecting vat is close to changes rod one side fixed mounting and has the scraper blade, the scraper blade butt is in changeing the rod.

Preferably, the triggering device includes: be located vertical slidable mounting has slide plate and the vertical both sides of chicken coop frame to be provided with the slide rail with the vertical sliding fit of slide plate on the chicken coop frame of chicken coop below, the slide plate up end has the vertical interval of tablet and tablet to be located and goes upward excrement area below, one of them be provided with round hole and install limit switch on this slide rail lateral wall on the slide rail diapire, when going the excrement area not with the tablet contact, the slide plate just contradicts on limit switch, install pressure sensor in the round hole, terminal surface relevant position department is fixed with the response cylinder with round hole matched with under the slide plate, limit switch, pressure sensor electric connection have microcontroller and machine controller electric connection.

Preferably, the sliding plate is arranged at the middle position of a connecting line between the moving roller and the fixed roller.

(1) The utility model better solves the problem that the tensioning mechanism can not be tensioned synchronously, one end of the chicken coop frame is provided with the lead screw adjusting device, both sides of the excrement belt moving roller are connected to the top plate by utilizing the chain, the moving roller moves synchronously by pushing the top plate so as to realize synchronous tensioning of the excrement belt, the phenomenon that the excrement belt is abraded and aggravated due to asynchronous tensioning of the excrement belt is avoided, and the excrement belt can keep stable work;

(2) the utility model is provided with the motor at one end of the screw rod, and the motor controls the screw rod to rotate, thereby replacing manpower to work, saving time and labor and lightening the burden of workers;

(3) the utility model discloses still be provided with excrement and take the removal roller cleaning device, glue on the commentaries on classics roller and just can in time clear up through cleaning device when gluing excrement and urine, avoided the excrement to take the commentaries on classics roller to appear beating at the during operation, influence work efficiency.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is a partial schematic view of the present invention at A;

FIG. 5 is a schematic view of the adjusting device of the present invention;

fig. 6 is a partial schematic view of the present invention at position C;

FIG. 7 is a partial schematic view of the present invention at position B;

FIG. 8 is a schematic view of the connection between the slide plate and the pressure plate via the induction spring according to the present invention;

fig. 9 is a schematic view of the matching relationship between the induction cylinder and the circular hole of the present invention.

In the figure 1: the chicken coop comprises a chicken coop frame 1, a chicken coop 2, bolts 3, an adjusting plate 4, a moving roller 5, a double-row chain wheel 6, a chain 7, a square pipe 8, a top plate 9, a supporting seat 10, a supporting arm 11, a screw nut 12, a screw rod 13, a base 14, a supporting plate 15, a clamping plate 16, a dung belt 17, a fixed roller 18, a fixed plate 19, a dung collecting groove 20, a stud 21, a sliding rail 22, a sliding plate 23, an induction spring 24, an induction plate 25, a reset spring 26, an induction cylinder 27, a sliding groove 28, a round hole 29, a motor 30, a rectangular hole 31, a straight groove 32, a rotating shaft 33 and.

Detailed Description

The foregoing and other features, aspects and utilities of the present invention will be apparent from the following detailed description of the embodiments with reference to the accompanying drawings in which fig. 1-9 are incorporated. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

A novel improved manure belt tensioning mechanism comprises a coop frame 1, wherein multiple layers of coops 2 are arranged at vertical intervals of the coop frame 1, and the novel manure belt tensioning mechanism is characterized in that each layer of coops 2 is provided with an adjusting plate 4 at the bottom of each layer, two rotating shafts 33 are rotatably arranged between the adjusting plates 4, the rotating shafts 33 are respectively sleeved with two inherent double-row chain wheels 6, the double-row chain wheels 6 are far away from chain wheels of the coop 2 and are meshed with chains 7, one ends of the chains 7 are fixed on the double-row chain wheels 6, the other ends of the chains are rotatably provided with square pipes 8, the square pipes 8 are transversely slidably matched with vertical side walls of the coop frame 1, one ends of the square pipes 8, which are far away from the double-row chain wheels 6, are fixedly provided with a top plate 9, adjusting devices are arranged on the top plate 9 and are driven by a motor 30, snap plates 16 are rotatably arranged on the, the pivot 33 rotates and installs removal roller 5, removal roller 5 roll fit has excrement area 17 and excrement area 17 other end roll fit has the fixed roll 18 of rotation installation on chicken coop frame 1.

In the use of the embodiment, the traditional coop frame 1 comprises four supporting columns surrounding the coop 2, in addition, auxiliary supports are connected with the supporting columns, generally, a conveying device is mainly installed below the coop 2 of the excrement cleaning device, but as the conveying device can loosen or even slip after running for a period of time, a tensioning device corresponding to the conveying device is specially arranged, referring to the attached drawing 1, an adjusting plate 4 is transversely and slidably installed on the longitudinal two sides of the transverse end of the coop 2, so that the adjusting plate 4 can transversely slide under the action of a chain 7 to meet the tensioning requirement, referring to the attached drawing 4, a sliding groove 28 is formed in the coop frame 1, the adjusting plate 4 can transversely slide along the sliding groove 28, a rotating shaft 33 is rotatably installed on the adjusting plate 4, and double-row chain wheels 6 are sleeved on the two ends of the rotating shaft 33 through key matching, the rotating shaft 33 is rotatably provided with the moving roller 5, the moving roller 5 is matched with the dung belt 17 in a rolling manner, the other end of the dung belt 17 is matched with the fixed roller 18, the fixed roller 18 is installed on the fixed plate 19 in a rolling manner, the fixed plate 19 is fixedly installed on the coop frame 1, and the attached drawing 4 shows that straight grooves 32 which transversely extend and are matched with the rotating shaft 33 are formed in the longitudinal two ends of the coop frame 1, so that the rotating shaft 33 can transversely slide in the straight grooves 32 to further achieve the tensioning purpose, the chain wheel of the double-row chain wheel 6 far away from the coop 2 is meshed with the chain 7, one end of the chain 7 is fixed on the chain wheel, the other end of the chain 7 is rotatably connected with the square pipe 8, the square pipe 8 is matched with the rectangular hole 31 formed in the side wall of the coop frame 1 in a transverse sliding manner, when the square pipe 8 transversely slides, the chain wheel is driven by the, in order to realize synchronous tensioning of the tensioning device, one end of the square tube 8, far away from the coop 2, penetrates through the rectangular hole 31 and is fixedly installed on the top plate 9, so that when the top plate 9 is moved, two ends of the manure belt 17 can be synchronously tensioned, deflection of the rotating shaft 33 caused by asynchronous tensioning of the two ends of the manure belt 17 is avoided, abrasion of the manure belt 17 and the rotating shaft 33 is aggravated in the operation process, in addition, the clamping plate 16 is rotatably installed on the adjusting plate 4 through the bolt 3, when the double-row chain wheel 6 is installed at the beginning, the double-row chain wheel 6 is in a loose state, the double-row chain wheel 6 is rotated by a proper angle through a tool, the chain 7 is tensioned, then one end of the clamping plate 16 is firmly propped against the chain wheel tooth surface of the double-row chain wheel 6, close to the coop 2, and the phenomenon that the rotating shaft 33 rotates to enable the chain 7, the top plate 9 is provided with an adjusting device driven by a motor 30, and the adjusting device can drive the top plate 9 to move transversely under the driving of the motor 30 so as to synchronously drive the longitudinal two ends of the moving roller 5 to move through the matched square tube 8 and the chain 7, thereby realizing the effect of synchronously tensioning the longitudinal two ends of the moving roller 5;

specifically, in an initial state, after the position of the double-row chain wheel 6 is adjusted, the clamping plate 16 is abutted to the chain wheel tooth surface of the double-row chain wheel 6 close to the coop 2, the rotating shaft 33 is in a relatively fixed state at the moment, namely, the rotating condition can not occur in the operation process, and then when the manure belt 17 is loosened, the square pipes 8 transversely slidably mounted at the two longitudinal ends of the coop frame 1 can be driven to transversely slide by moving the top plate 9, so that the chain 7 is driven to transversely move, and the chain 7 is meshed with the double-row chain wheel 6 and one end of the chain 7 is fixed on the chain wheel, so that the double-row chain wheel 6 is driven to transversely slide along with the fixed rotating shaft 33, and the tensioning purpose is achieved.

Embodiment 2, on embodiment 1's basis, install on the chicken coop frame 1 and remove 5 cleaning device of roller, be located vertical slidable mounting has trigger device and is connected with reset spring 26 between the chicken coop frame 1 on the chicken coop frame 1 of chicken coop 2 below, trigger device is used for the start-up of control motor 30, trigger device sets up in going upward excrement area 17 below and interval setting.

In the specific use of the embodiment, referring to the attached drawing 2, the moving roller 5 cleaning device is arranged on the coop frame 1, so that chicken manure attached to the moving roller 5 can be cleaned, the phenomenon that the manure belt 17 deviates due to the fact that the chicken manure is adhered to the moving roller 5 is avoided, the triggering device is vertically and slidably arranged on the coop frame 1 below the coop 2, when the manure belt 17 loosens after being used for a long time, the upward manure belt 17 sags under the action of the heavy pressure of the chicken manure, so that when the upward manure belt 17 descends to be in contact with the triggering device and further extrudes the triggering device downwards, the reset spring 26 is stretched to a certain degree, the triggering device controls the motor 30 to start to work, the top plate 9 is driven to move towards the direction far away from the moving roller 5 through the adjusting device, the moving roller 5 is driven to move towards the direction far away from the fixed roller 18 through the matched square tube 8 and the chain 7, the effect of tensioning the loose manure belt 17 is achieved in that when the upper manure belt 17 is no longer in contact with the triggering device, the triggering device is moved upwards under the action of the return spring 26, at which point the triggering device controls the motor 30 to stop working, i.e. to stop tensioning the manure belt 17.

Embodiment 3, on the basis of embodiment 2, adjusting device includes that fixed mounting rotates on top plate 9 is close to supporting seat 10 and the supporting seat 10 on the terminal surface of chicken coop 2 and installs two support arms 11, two support arm 11 rotates the lead screw 13 of installing on chicken coop frame 1 is rotated in the one end that is close to chicken coop 2 and installs lead screw nut 12 and the common screw-thread fit of two lead screw nuts 12, lead screw 13 is opposite with two lead screw nut 12 screw-thread fit position screw threads, lead screw 13 is through the drive of motor 30.

In the use of the embodiment, referring to fig. 5, the adjusting device comprises a top plate 9, a support seat 10 is fixedly installed on the end surface of the top plate 9 close to the coop 2, two support arms 11 are rotatably installed at one end of the support seat 10 close to the coop 2, screw nuts 12 are rotatably installed at the other ends of the two support arms 11, the two screw nuts 12 are jointly in threaded fit with a screw 13, the threaded fit positions of the screw 13 and the two screw nuts 12 are opposite in thread turning direction, the screw 13 is rotatably installed on a base 14, a motor 30 for driving the screw 13 to rotate is fixedly installed on one base 14, the base 14 is fixedly installed on a bearing plate 15, the bearing plate 15 is fixedly installed on the coop frame 1, the motor 30 is in a closed state, the support arms 11 support the top plate 9 to enable the dung belt 17 to be in a certain tensioning state, when the dung belt 17 is loosened and, trigger device control motor 30 starts, and then through rotating lead screw 13 that installs on base 14 drive with two screw nut 12 of lead screw 13 screw-thread fit move in opposite directions, make support arm 11 rotate and then drive roof 9 and move towards the direction of keeping away from bearing board 15, and then roof 9 drives two square pipes 8 of horizontal slidable mounting in the vertical both sides of chicken coop frame 1 and slides towards the direction of keeping away from chicken coop 2 simultaneously, and square pipe 8 is through matched with chain 7 with it, thereby drive regulating plate 4 and move towards the direction of keeping away from fixed roll 18 along spout 28, the synchronous tensioning of excrement area 17 has finally been realized.

Embodiment 4, on the basis of embodiment 2, remove roller 5 cleaning device includes excrement and urine collecting vat 20 and excrement and urine collecting vat 20 vertical both sides respectively demountable installation on regulating plate 4, excrement and urine collecting vat 20 is close to commentaries on classics rod one side fixed mounting has scraper blade 34, scraper blade 34 butt in removing the rod.

In the embodiment, as shown in fig. 2, the cleaning device for the movable roller 5 comprises a feces collecting groove 20, two studs 21 in threaded fit with the feces collecting groove 20 are respectively installed on two longitudinal sides of the feces collecting groove 20, the feces collecting groove 20 is fixed on the adjusting plate 4 through the studs 21 (a through hole matched with the stud 21 is started at a corresponding position on the adjusting plate 4, not shown in the figure, so that the stud 21 passes through the adjusting plate 4 through the through hole and is in threaded fit connection with the feces collecting groove 20), a scraper 34 is also fixedly installed on the feces collecting groove 20 near one side of the movable roller 5, as shown in fig. 6, the scraper 34 abuts against the movable roller 5, when the movable roller 5 is stuck with feces, the feces is scraped into the feces collecting groove 20 by the scraper 34, so that the phenomenon that the transmission jumps due to feces accumulated on the movable roller 5 is avoided, when the excrement collecting groove 20 is full of collected excrement, the excrement collecting groove 20 can be detached and cleaned by disassembling the stud 21, and the joint plate 4 is installed back again after the excrement collecting groove is cleaned.

Embodiment 5, on the basis of embodiment 3, the triggering device includes: be located vertical slidable mounting has slide plate 23 and the vertical both sides of chicken coop frame 1 of chicken coop 2 below to be provided with slide plate 23 vertical sliding fit's slide rail 22, slide plate 23 up end is connected with tablet 25 and tablet 25 vertical interval through a plurality of response springs 24 and is located going upward excrement area 17 below, one of them be provided with on the slide rail 22 diapire round hole 29 and this slide rail 22 lateral wall and install limit switch, when going upward excrement area 17 not with the contact of tablet 25, slide plate 23 just contradicts on limit switch, install pressure sensor in the round hole 29, terminal surface relevant position department is fixed with the response cylinder 27 with round hole 29 matched with under the slide plate 23, limit switch, pressure sensor electric connection have microcontroller and motor 30 controller electric connection.

In the embodiment, as shown in fig. 7, a vertical slide rail 22 is arranged on a coop frame 1, a slide plate 23 is vertically and slidably mounted in the two slide rails 22, one end of a return spring 26 is connected to the upper end surface of the slide plate 23, the other end of the return spring is connected to the top wall of the slide rail 22, as shown in fig. 8, the upper end surface of the slide plate 23 is connected with an induction plate 25 through a plurality of induction springs 24, the induction plate 25 is vertically and alternately positioned below an ascending manure belt 17, as shown in fig. 9, a circular hole 29 is formed in the bottom wall of the slide rail 22, a pressure sensor is mounted in the circular hole 29, an induction cylinder 27 matched with the circular hole 29 is fixedly mounted at a corresponding position on the lower end surface of the slide plate 23, the pressure sensor is electrically connected with a microcontroller and electrically connected with a motor 30 controller, and after the manure belt 17 runs for a period of time, the, at the moment, the excrement belt 17 gradually sags, the excrement belt 17 is contacted with the touch sensing plate 25 after sagging, the sensing spring 24 contracts and the reset spring 26 extends along with the gradual sagging of the excrement belt 17, so that when the excrement belt 17 sags to force the sensing cylinder 27 to be inserted into the round hole 29 and to be pressed against the pressure sensor, the pressure sensor detects the change of a pressure signal at the moment, the pressure sensor transmits the signal to the microcontroller, the microcontroller controls the motor 30 to be started, the adjusting device starts to operate, then the adjusting device enables the rotating shaft 33 to transversely slide through the square pipe 8, the double-row chain wheel 6 and the chain 7, the excrement belt 17 slowly rises at the moment, the sliding plate 23 is gradually reset under the action of the reset spring 26, a limit switch is arranged in one of the sliding rails 22 and electrically connected with the microcontroller, when the sliding plate 23 rises to an initial position, the limit switch is just contacted, the limit switch transmits a signal to the microcontroller to control the motor 30 to stop working, and the tensioning device keeps the state until next adjustment;

in this scheme, motor 30, pressure sensor, limit switch have external power supply through the equal electric connection of wire.

Example 6, on the basis of example 5, the slide plate 23 is provided at the center position of the line connecting the moving roller 5 and the fixed roller 18.

In the embodiment, when in use, the sliding plate 23 is arranged at the central position of the connecting line of the moving roller 5 and the fixed roller 18, the central position of the traditional dung belt 17 is not supported, and the dung belt 17 is looser and is most easy to droop compared with other positions, so that the sliding plate 23 is arranged at the position, the tensioning state of the dung belt 17 is most easily detected, the adjusting device is enabled to be started automatically, and the dung belt 17 can be kept in the tensioning state.

The utility model better solves the problem that the tensioning mechanism can not be tensioned synchronously, one end of the coop frame 1 is provided with a lead screw 13 adjusting device, both sides of the rotating roller of the manure belt 17 are connected to the top plate 9 by utilizing the chain 7, the rotating roller synchronously moves by pushing the top plate 9 so as to realize the synchronous tensioning of the manure belt 17, the phenomenon that the wear of the manure belt 17 is aggravated due to the asynchronous tensioning of the manure belt 17 is avoided, and the manure belt 17 can keep stable work;

the utility model is provided with the motor 30 at one end of the screw 13, and the motor 30 controls the screw 13 to rotate, thereby replacing manpower to work, saving time and labor and reducing the burden of workers;

additionally the utility model discloses still be provided with excrement and take 17 to change roller cleaning device, glue on the commentaries on classics roller and just can in time clear up through cleaning device when gluing excrement and urine, avoided 17 commentaries on classics rollers in excrement and urine to appear beating at the during operation, influence work efficiency.

The above description is only for the purpose of illustration, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.

Claims (6)

1. The improved novel dung belt tensioning mechanism comprises a coop frame (1), wherein a plurality of layers of coops (2) are arranged at vertical intervals of the coop frame (1), and is characterized in that each layer of coops (2) is provided with adjusting plates (4) at both sides in the transverse direction of one end of the bottom of the coop (2), two rotating shafts (33) are installed between the adjusting plates (4) in a rotating mode, the rotating shafts (33) are sleeved with inherent double-row chain wheels (6) and the double-row chain wheels (6) are meshed with chains (7) on chain wheels far away from the coop (2), one ends of the chains (7) are fixed on the double-row chain wheels (6), the other ends of the chains are rotatably provided with square pipes (8), the square pipes (8) are transversely matched with the vertical side wall of the coop frame (1) in a sliding mode, one ends of the square pipes (8) are fixedly provided with a top plate (9), the top plate (9) is provided with an adjusting, adjusting plate (4) are gone up and are rotated through bolt (3) and install cardboard (16) and cardboard (16) one end terminal surface and double sprocket (6) and be close to the tight laminating of sprocket flank of tooth of chicken coop (2), pivot (33) are rotated and are installed and remove roller (5), it has excrement area (17) and excrement area (17) other end roll cooperation to remove roller (5) roll cooperation has fixed roller (18) of rotation installation on chicken coop frame (1).

2. The improved novel dung belt tensioning mechanism is characterized in that a moving roller (5) cleaning device is mounted on the coop frame (1), a trigger device is vertically and slidably mounted on the coop frame (1) below the coop (2), a return spring (26) is connected between the trigger device and the coop frame (1), the trigger device is used for controlling the starting of a motor (30), and the trigger device is arranged below an ascending dung belt (17) at intervals.

3. The improved novel dung belt tensioning mechanism is characterized in that the adjusting device comprises a supporting seat (10) fixedly installed on the end face, close to the coop (2), of the top plate (9), and two supporting arms (11) are rotatably installed on the supporting seat (10), a lead screw nut (12) is rotatably installed at one end, close to the coop (2), of the two supporting arms (11), a lead screw (13) is rotatably installed on the coop frame (1) in a manner of common thread fit of the two lead screw nuts (12), the thread directions of the thread fit parts of the lead screw (13) and the two lead screw nuts (12) are opposite, and the lead screw (13) is driven by a motor (30).

4. The improved novel dung belt tensioning mechanism is characterized in that the moving roller (5) cleaning device comprises a dung collecting tank (20), the two longitudinal sides of the dung collecting tank (20) are respectively detachably mounted on the adjusting plate (4), a scraper (34) is fixedly mounted on one side, close to the rotating roller, of the dung collecting tank (20), and the scraper (34) abuts against the moving roller.

5. The improved novel fecal strap tensioning mechanism of claim 3 wherein the trigger means includes: be located vertical slidable mounting has slide plate (23) and vertical both sides of chicken coop frame (1) of chicken coop (2) below to go up chicken coop frame (1) and is provided with slide rail (22) with the vertical sliding fit of slide plate (23), slide plate (23) up end is connected with tablet (25) and tablet (25) vertical interval through a plurality of response spring (24) and is located excrement area (17) below of going upward, one of them be provided with round hole (29) on slide rail (22) diapire and install limit switch on this slide rail (22) lateral wall, when excrement area (17) of going upward do not contact with tablet (25), slide plate (23) just contradict on limit switch, install pressure sensor in round hole (29), terminal surface relevant position department is fixed with and responds to cylinder (27) with round hole (29) matched with under slide plate (23), limit switch, The pressure sensor is electrically connected with a microcontroller, and the microcontroller is electrically connected with a motor (30) controller.

6. An improved novel dung belt tensioning mechanism according to claim 5, characterised in that the sliding plate (23) is arranged in the middle of the line connecting the moving roller (5) and the fixed roller (18).

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