CN108935112B - A cow shed with automatic air purification effect - Google Patents

Abstract

The invention relates to the technical field of animal husbandry, and discloses a cow shed with automatic air purification effect. , there is a pedal beside the trough, an electric switch for energizing or de-energizing is arranged under the pedal, and the exhaust fan is electrically connected with the electric switch; the lower end of the pedal is fixedly connected with a first compression spring, the conveyor belt is connected with a second motor, and the second motor is also connected with the electric switch. The electric switch is electrically connected, and a transmission mechanism is arranged between the conveyor belt and the pedal to make the conveyor belt rotate around the driving wheel, and the transmission mechanism makes the conveyor belt inclined to facilitate the cleaning of the feces. The cow shed of the invention can automatically clean the feces and purify the air in the shed, without manual operation, convenient operation and high degree of automation. When cleaning the feces, the exhaust fan will discharge the toxic and harmful gases discharged from the feces to the cowshed in time to reduce the disease infection rate and mortality rate of cattle.

Description

Cattle raising shed with automatic air purification effect

Technical Field

The invention relates to the technical field of animal husbandry, in particular to a cattle raising shed.

Background

At present most cowshed structure function singleness of raising cattle, the inside circulation of air of cowshed is not smooth and easy, and the excrement and urine clearance in the cowshed of raising cattle is mainly handled by the manual work moreover, if not in time clear up the excrement and urine in the cowshed of raising cattle, breed the diffusion of bacterium and germ easily, influence the health and the growth of ox.

The invention discloses a cowshed as a Chinese patent with publication number CN105613304A, which comprises a bracket, a ceiling and a fence, wherein the bracket supports the ceiling, the side surface of the ceiling is in an inverted V shape, the fence is fixed on the ground, and the ceiling is arranged on the upper side of the fence; the ceiling comprises a spine, fixed sheds arranged on two sides of the spine and movable sheds arranged on two sides of the fixed ceiling.

There is not excrement and urine clearance mechanism in the cowshed among the above-mentioned technical scheme, generally adopts the manual work to use instruments such as broom or spade to clear up the excrement and urine in the cowshed, adopts this kind of method not only inefficiency, and people's intensity of labour is very big moreover, is unfavorable for the special household to clear up the excrement and urine in the cowshed.

Disclosure of Invention

The invention aims to provide a cattle shed with an automatic air purification effect, and aims to solve the technical problem that excrement in the cattle shed needs to be manually treated in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a cattle shed with an automatic air purification effect comprises a cattle shed, wherein a plurality of exhaust fans are arranged on the cattle shed, a trough is arranged in the cattle shed, pedals are arranged beside the trough, an electric switch for power on or power off is arranged below the pedals, and the exhaust fans are electrically connected with the electric switch; the cattle shed is provided with a support, the lower end of the pedal is fixedly connected with a first pressure spring, one end of the first pressure spring, far away from the pedal, is fixedly connected with the support, one side of the pedal, far away from the trough, is provided with a conveyor belt, and a septic tank is arranged below the conveyor belt; the conveying belt comprises a driving wheel and a driven wheel, a crawler belt is connected between the driving wheel and the driven wheel, the driving wheel is rotatably connected to the support, one end, away from the driving wheel, of the conveying belt is abutted to the support, the driving wheel is connected with a second motor fixedly connected to the support, the second motor is also electrically connected with the electric switch, and a transmission mechanism enabling the conveying belt to rotate around the driving wheel is arranged between the conveying belt and the pedal; a water pipe is arranged above the conveyor belt and is communicated with an opened water faucet, a switch valve for opening or closing the water pipe is connected to the water pipe, and the switch valve is connected with the transmission mechanism; one end of the water pipe, which is far away from the water faucet, is vertically and rotatably connected with a joint, the joint is connected with a first motor which is fixedly connected with a support and can rotate forwards and backwards, the first motor is also electrically connected with an electric switch, the joint is communicated with a transverse communicating pipe, a tension spring is fixedly connected with the communicating pipe, one end of the tension spring, which is far away from the communicating pipe, is fixedly connected with the support, the communicating pipe is connected with a plurality of water spraying mechanisms, and water outlets of the water spraying; a dung scraping mechanism is arranged between the conveyor belt and the pedal.

The principle and the advantages of the scheme are as follows: the air exhauster is used for taking out the air in the cowshed, improves the air quality in the cowshed. The trough is used for placing food of the cattle for the cattle to eat. The footboard is as the active position when ox eats the food, and when the ox was located the footboard, the ox made the first pressure spring of footboard downstream compression to make the electric switch circular telegram, after the ox left the footboard, the first pressure spring of compressed recovered deformation and made the electric switch reset and the outage. The exhaust fan, the first motor and the second motor are electrically connected with an electric switch, and when the electric switch is electrified, the exhaust fan, the first motor and the second motor are electrified to work. The conveyer belt offsets with the support, and the support is used for supporting the conveyer belt. The track is used as the movable position of the cattle and is used for placing the excrement of the cattle. The second motor is used for driving the conveyor belt to enable the caterpillar band on the conveyor belt to move, so that the excrement on the caterpillar band is conveyed to the excrement scraping mechanism. The dung scraping mechanism is used for scraping dung on the crawler belt. The septic tank is used for collecting the excrement and the sewage after the excrement is cleaned. The transmission mechanism is used for enabling the conveyor belt to rotate around the driving wheel, enabling the conveyor belt to incline, facilitating water to flow on the track and facilitating excrement cleaning. The switching valve is used to open or close the water pipe. The joint connects the water pipe with the communicating pipe; the water pipe is rotatably connected with the joint, so that when the communicating pipe rotates, the water pipe does not rotate along with the communicating pipe. The first motor is used for enabling the communicating pipe to rotate, and the communicating pipe rotates to drive the water spraying mechanism to rotate around an output shaft of the first motor. Before excrement is cleaned, the water spraying mechanism sprays water to soften the excrement, so that the excrement can be conveniently cleaned. The water spraying mechanism rotates to comprehensively wet excrement on the crawler belt and comprehensively clean the crawler belt. After the first motor is powered off, the tension spring resets the communicating pipe to restore the initial position.

When the scheme is adopted, the invention has the following beneficial effects:

(1) the cattle raising shed can automatically clean excrement and automatically purify air in the shed, does not need manual operation, and is convenient to operate and high in automation degree.

(2) When excrement is cleaned, poisonous and harmful gas discharged from the excrement is discharged out of the cattle shed by the exhaust fan in time, so that the disease infection rate and the death rate of cattle are reduced.

(3) Cattle all eat food every day, clear up excrement and urine when cattle eat, make the excrement and urine in time clear up, avoid excrement and urine to pile up on the track, make the air quality in the cowshed better all the time.

(4) When excrement and urine clearance is carried out, need not the manual work and catch up the ox out the cowshed, reduce people's intensity of labour.

Furthermore, the transmission mechanism comprises a supporting rod which is rotatably connected with the driving wheel, and the joint of the supporting rod and the driving wheel is a second fulcrum; the one end that the action wheel was kept away from to the bracing piece is rotated and is connected with the connecting rod, and the bracing piece rotates to be connected on the support, and the junction of bracing piece and connecting rod is first fulcrum, and the connecting rod slope sets up, and the low side of connecting rod rotates and is connected with the pendulum rod, and the pendulum rod rotates with from the driving wheel to be connected, and the high-end bottom of connecting rod and footboard offsets.

Therefore, the oscillating bar, the supporting rod, the connecting rod and the conveyor belt form a four-bar mechanism. The pedal moves downwards, the connecting rod is rotated around the first fulcrum by the pedal, the connecting rod drives the swing rod to move, the swing rod drives the driven wheel to rotate around the second fulcrum, and the driven wheel drives the track to rotate around the second fulcrum, so that the track rotates around the second fulcrum, and the track inclines.

Furthermore, the electric switch includes fixed connection at the first conducting block of footboard bottom, and first conducting block is connected with the power electricity, is equipped with the second conducting block of fixed connection on the support under the first conducting block, and first conducting block offsets with the second conducting block intermittent type, and air exhauster, first motor and second motor all are connected with the second conducting block electricity.

Therefore, when the pedal moves downwards, the first conductive block is abutted against the second conductive block, so that the exhaust fan, the first motor and the second motor are electrified to work; when the pedal moves upwards, the first conductive block leaves the second conductive block, so that the exhaust fan, the first motor and the second motor are powered off to stop working.

Furthermore, a first time relay for delaying the power-off of the exhaust fan is electrically connected between the exhaust fan and the second conductive block, and a second time relay for delaying the power-on of the second motor is electrically connected between the second motor and the second conductive block.

Therefore, when the water spraying mechanism sprays water to soften the excrement, the second time relay enables the conveyor belt to move in a delayed mode, and energy is saved. After excrement and urine finishes being clear away, the first time relay makes the air exhauster delay the outage, makes the foul smell in the cowshed remove cleanly, makes the air purification in the cowshed more thorough.

Further, the switch valve includes that sliding connection is at the water pipe upper stop piece, is equipped with the through-hole that is wrong mutually with the delivery port of water pipe on the stop piece, and the through-hole is located the water pipe below, the upper end fixedly connected with second pressure spring of stop piece, and the one end and the support fixed connection of stop piece are kept away from to the second pressure spring, and the lower extreme of stop piece is circular-arc, and the lower extreme of stop piece offsets with the upper end intermittent type of pendulum rod.

The swing rod moves to enable the blocking piece to compress the second pressure spring to move upwards, so that the through hole in the blocking piece is aligned with the water outlet of the water pipe, and the water pipe is opened; when the swing rod leaves the blocking piece, the second pressure spring recovers deformation, so that the blocking piece moves downwards, and the water pipe is closed; the lower end of the baffle is arc-shaped, so that the baffle can move smoothly on the contact surface of the swing rod.

Further, scrape excrement mechanism and include first scraper blade, second scraper blade and the third scraper blade of equal fixed connection on the support, the third scraper blade offsets with the area face of track, and the distance of second scraper blade to track is less than the distance of first scraper blade to track.

Therefore, the first scraper can scrape the excrement with higher height on the crawler belt, the second scraper can scrape the excrement with lower height on the crawler belt, and the third scraper can scrape the residual excrement on the crawler belt. The excrement on the crawler belt is scraped for three times, so that the excrement is more thoroughly cleaned.

Further, the water spraying mechanism comprises a water spraying pipe communicated with the communicating pipe, the water spraying pipe is communicated with a nozzle, a flow valve is connected to the water spraying pipe, the flow valve is rotatably connected with a handle for adjusting the opening size of the flow valve, and the handle is intermittently abutted to excrement.

Therefore, the handle is abutted against the excrement, and the excrement enables the handle to rotate, so that the size of the flow charge opening is adjusted. When there is excrement and urine, the opening of flow valve is transferred greatly to make more water spout to on the excrement and urine, make the excrement and urine wet fast, leave excrement and urine back when the handle, the handle resets, and the opening of flow valve is transferred for a short time, with this water economy resource. The spray head can spray water on the crawler belt more uniformly.

Further, still including hanging the mechanism, hang the mechanism including wearing to establish the jib on communicating pipe, the upper end block and the sliding connection of jib have curved slide rail, slide rail fixedly connected with crossbeam, the crossbeam is worn to establish on the cowshed.

Thereby, the cross beam is used for supporting the slide rail; the sliding rail is used for suspending the suspension rod and enabling the suspension rod to slide on the sliding rail; the suspender is used for supporting the communicating pipe, and the strength of the communicating pipe is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of the state of the cattle shed for cleaning feces according to the embodiment of the invention.

Fig. 3 is a schematic structural view of the water spraying mechanism in fig. 1.

Detailed Description

The present invention will be described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: the cattle shed comprises a cattle shed 1, an exhaust fan 2, a pedal 3, a first pressure spring 31, a food groove 4, a plug 5, a first conductive block 6, a second conductive block 7, a support 8, a third scraper 91, a second scraper 92, a first scraper 93, a support rod 10, a first fulcrum 101, a second fulcrum 102, a connecting rod 11, a conveyor belt 12, a driving wheel 121, a driven wheel 122, a swing rod 13, a first motor 14, a baffle 15, a joint 16, a water pipe 17, a second pressure spring 18, a water spraying mechanism 19, a water spraying pipe 191, a flow valve 192, a nozzle 193, a handle 194, a communicating pipe 20, a suspender 21, a sliding rail 22 and a beam 23.

The embodiment is basically as shown in figure 1: the utility model provides a cowboying canopy with automatic air-purifying effect, including cowshed 1, cowshed 1 is last to be equipped with a plurality of air blowers 2, right side in the cowshed 1 is equipped with trough 4, the left side of trough 4 is equipped with footboard 3, ribbon fixedly connected with first conducting block 6 is passed through to the bottom of footboard 3, first conducting block 6 electricity is connected with the plug 5 of being connected with the power, be equipped with second conducting block 7 under first conducting block 6, be equipped with support 8 on the cowshed 1, second conducting block 7 also is on support 8 through ribbon fixed connection, first conducting block 6 offsets with 7 intermittent type of second conducting block, air blower 2 is connected with 7 electricity of second conducting block, it makes the first time relay of 2 time delay outage of air blower (for JS14P type time relay of tai electric appliances limited company of Zhejiang to be connected with electricity between air blower 2 and the second conducting block 7. A first pressure spring 31 is arranged between the pedal 3 and the bracket 8, one end of the first pressure spring 31 is welded with the pedal 3, and the other end of the first pressure spring 31 is welded with the bracket 8; a conveying belt 12 is arranged on the left side of the pedal 3, a septic tank (not shown in the figure) is arranged below the conveying belt 12, the conveying belt 12 comprises a driving wheel 121 and a driven wheel 122, a crawler belt is connected between the driving wheel 121 and the driven wheel 122, one end of the conveying belt 12, which is far away from the driving wheel 121, is abutted against a support 8, and the support 8 supports the conveying belt 12; the driving wheel 121 is connected with a second motor which is connected to the support 8 through a bolt, the second motor is electrically connected with the second conductive block 7, a second time relay (JS 14P type time relay of Zhejiang Zhengtai electric appliance GmbH) which enables the second motor to be electrified in a delayed mode is electrically connected between the second motor and the second conductive block 7, and an output shaft of the second motor is coaxially connected with the driving wheel 121 through a key. The driving wheel 121 is rotatably connected with a vertical supporting rod 10 through a pin shaft, the pin shaft connecting the supporting rod 10 and the driving wheel 121 is welded on the bracket 8, and the joint is a second fulcrum 102; the lower extreme of bracing piece 10 also is connected with connecting rod 11 through the round pin hub rotation, and the round pin hub welding of joint support pole 10 and connecting rod 11 is on support 8, and this junction is first fulcrum 101, and connecting rod 11 slopes to set up, and the low side of connecting rod 11 also is connected with pendulum rod 13 through the round pin hub rotation, and the vertical setting of pendulum rod 13, pendulum rod 13 also rotate with follow driving wheel 122 through the round pin axle and are connected, and the high-end of connecting rod 11 offsets with the bottom of footboard 3. The swing rod 13, the support rod 10, the connecting rod 11 and the conveyor belt 12 form a four-bar mechanism. Be equipped with between conveyer belt 12 and the footboard 3 and scrape excrement mechanism, scrape excrement mechanism including all welding first scraper blade 93, second scraper blade 92 and the third scraper blade 91 on support 8, third scraper blade 91 offsets with the area face of track, and the distance of second scraper blade 92 to track is less than the distance of first scraper blade 93 to track, scrapes excrement and urine on the track for the cubic, makes excrement and urine clean more thoroughly.

The top of conveyer belt 12 is equipped with water pipe 17, water pipe 17 and the tap intercommunication of opening, vertical sliding connection has the separation blade 15 of opening or closing water pipe 17 on the water pipe 17, be equipped with the through-hole that is mutually wrong with the delivery port of water pipe 17 on the separation blade 15, the through-hole is located water pipe 17 below, the upper end welding of separation blade 15 has second pressure spring 18, the one end and the support 8 welding of separation blade 15 are kept away from to second pressure spring 18, the lower extreme of separation blade 15 is circular-arcly, the lower extreme of separation blade 15 offsets with the upper end intermittent type of pendulum rod 13. One end, far away from the faucet, of the water pipe 17 is communicated with a connector 16, the connector 16 is vertically and rotatably connected with the water pipe 17, the lower end of the connector 16 is connected with a first motor 14 which is connected to the support 8 through a bolt and can rotate forward and backward, the first motor 14 is also electrically connected with a second conducting block 7, an output shaft of the first motor 14 is fixedly connected with the connector 16 through a key, an annular groove is formed in the output shaft of the first motor 14, a check ring is arranged in the annular groove, the lower end of the connector 16 abuts against the check ring, vertical positioning of the connector 16 is achieved, the right end of the connector 16 is communicated with a transverse communicating pipe 20, a tension spring is welded on the communicating pipe 20, one end, far away from the communicating pipe 20, of the tension spring is welded; vertical jib 21 is worn to be equipped with by the right-hand member of communicating pipe 20, and jib 21 is used for supporting communicating pipe 20, and the upper end block and the sliding connection of jib 21 have curved slide rail 22, and jib 21 is with slide rail 22's concrete connection mode: a sliding groove is arranged on the sliding rail 22, a clamping bulge matched with the sliding groove is arranged on the suspender 21, and the suspender 21 is clamped and connected with the sliding rail 22 in a sliding manner through the clamping bulge; the slide rail 22 is welded with a beam 23, and the beam 23 is arranged on the cowshed 1 in a penetrating way. A plurality of vertical water spraying mechanisms 19 are arranged below the communicating pipe 20, and as can be seen from fig. 3, each water spraying mechanism 19 comprises a water spraying pipe 191 communicated with the communicating pipe 20, each water spraying pipe 191 is communicated with a spray head 193, a flow valve 192 is connected to each water spraying pipe 191, and each flow valve 192 is rotatably connected with a handle 194 for adjusting the opening size of each flow valve 192; as can be seen from fig. 2, the handles 194 intermittently abut against the excrements, and the lower ends of all the handles 194 are connected to form a straight line which is parallel to the inclined crawler belt surface.

The specific implementation process is as follows: initially, the flow valve 192 is open with a smaller opening. As shown in fig. 1, the conveyor belt 12 is horizontally disposed, and the cows are located on a track on which a plurality of stools are placed. When the cattle goes to the trough 4 and eats food, the cattle leaves the track, the cattle is located on the pedal 3, as can be seen by combining fig. 2, due to the weight of the cattle, the cattle enables the pedal 3 to move downwards, the pedal 3 compresses the first pressure spring 31 to enable the connecting rod 11 to rotate clockwise around the first fulcrum 101, as the swing rod 13, the supporting rod 10, the connecting rod 11 and the conveyor belt 12 form a four-bar mechanism, the connecting rod 11 rotates to drive the swing rod 13 to move, the swing rod 13 drives the driven wheel 122 to rotate clockwise around the second fulcrum 102, the driven wheel 122 drives the track to rotate clockwise around the second fulcrum 102, the track is inclined, and the belt surface of the track is abutted against the handle 194. In the moving process of the swing rod 13, the swing rod 13 abuts against the blocking piece 15, the swing rod 13 continues to move, the blocking piece 15 is compressed by the blocking piece 13 to move upwards, the through hole in the blocking piece 15 is opposite to the water outlet of the water pipe 17, water flows out of the water pipe 17 and reaches the water spraying pipe 191 through the communicating pipe 20, the flow valve 192 is opened, the opening of the flow valve is opened to be small, the water flowing out of the water spraying pipe 191 is small, and the water flowing out of the water spraying pipe 191 is discharged onto the track through the spray head 193. The pedal 3 moves downwards and simultaneously the first conductive block 6 is abutted against the second conductive block 7, so that the first motor 14 and the exhaust fan 2 are electrified to work, and the second motor is electrified in a delayed way because the second motor is electrically connected with a second time relay; the exhaust fan 2 works to extract the air in the cowshed 1 and purify the air in the cowshed 1. The first motor 14 is powered on to rotate, the first motor 14 drives the communicating pipe 20 to rotate around the axis of the output shaft of the first motor 14 through the joint 16, the communicating pipe 20 drives the water spraying mechanism 19 to rotate around the axis of the output shaft of the first motor 14, in the rotating process of the water spraying mechanism 19, when the handle 194 is in contact with excrement, the excrement rotates the handle 194 under the action of the excrement, so that the opening of the flow valve 192 is enlarged, more water is sprayed out of the spray head 193, more water enables the excrement to be softened more thoroughly, and subsequent excrement scraping is facilitated; when the handle 194 is separated from the excrement by rotating the communicating pipe 20, the handle 194 is returned, and the water sprayed from the spray head 193 is reduced to save water resources. After the communicating pipe 20 rotates 90 degrees, the first motor 14 rotates reversely, and then rotates forward after rotating 90 degrees reversely, so that water is sprayed on the crawler belt repeatedly, and the water can be sprayed on the crawler belt comprehensively.

After the water softens the feces, the second time relay energizes the second motor, as can be seen from fig. 2, the counterclockwise rotation of the second motor causes the driving wheel 121 to rotate counterclockwise, the driving wheel 121 causes the caterpillar track to move through the driven wheel 122, the belt surface of the caterpillar track positioned above moves upward, the belt surface of the caterpillar track positioned below moves downward, after the driven wheel 122 rotates around the second pivot 102, the gap between the belt surface of the crawler belt and the bottom surface of the cowshed 1 is enlarged, so that the excrement can move along with the crawler belt from the upper part of the conveyor belt 12 to the lower part of the conveyor belt 12, the excrement can continue to move, when the excrement passes through the first scraping plate 93, the first scraping plate 93 scrapes the excrement with higher height on the crawler belt, the excrement falls into the septic tank after being scraped, the excrement continues to move to the second scraper 92, the second scraper 92 scrapes the excrement with lower height on the track, and when the excrement moves to the third scraper 91, the third scraper 91 scrapes the residual excrement on the track. When the excrement scraping mechanism scrapes excrement, the water spraying mechanism 19 sprays water onto the crawler belt to clean the crawler belt.

After the cattle eat food, the cattle leave the pedal 3, the compressed first pressure spring 31 recovers deformation, the first pressure spring 31 enables the pedal 3 to move upwards, the pedal 3 moves upwards to enable the connecting rod 11 to rotate around the first fulcrum 101 anticlockwise, the connecting rod 11 enables the swing rod 13 to move, and the swing rod 13 drives the driven wheel 122 to rotate around the second fulcrum 102 anticlockwise, so that the crawler belt is horizontal; when the swing rod 13 moves, the swing rod 13 gradually leaves the baffle piece 15, so that the through hole in the baffle piece 15 is staggered with the water outlet of the water pipe 17, the water outlet of the water pipe 17 is closed, and water stops flowing out of the water pipe 17. When the pedal 3 moves upwards, the first conductive block 6 leaves the second conductive block 7, so that the first motor 14 and the second motor are powered off and stop rotating; because 2 electricity of air exhauster are connected with the first time relay, the first time relay makes 2 time delay outage of air exhauster, makes the interior stink of cowshed 1 remove cleanly. When the first motor 14 is powered off, the communication pipe 20 stops rotating, and the tension spring is deformed again, so that the communication pipe 20 drives the water spraying mechanism 19 to return to the initial state. The second motor is de-energized and the conveyor belt 12 stops moving, returning to its original state.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various changes and modifications without departing from the concept of the present invention, and these should be construed as the scope of protection of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent. The techniques, shapes, and structural parts, which are omitted from the description of the present invention, are all known techniques.

Claims (7)

1. a cowshed with automatic air purifying effect, comprising the cowshed, is characterized in that: the cowshed is provided with some exhaust fans, the cowshed is provided with a trough, and a pedal is provided beside the trough, and the pedal is provided with An electric switch for energizing or de-energizing, the exhaust fan is electrically connected to the electric switch; a bracket is provided on the cowshed, a first compression spring is fixedly connected to the lower end of the pedal, and one end of the first compression spring away from the pedal is fixedly connected to the bracket, and the pedal is far away from the bracket. There is a conveyor belt on one side of the trough, and a manure tank is arranged under the conveyor belt; the conveyor belt includes a driving wheel and a driven wheel, a crawler is connected between the driving wheel and the driven wheel, the driving wheel is rotatably connected to the bracket, and the end of the conveyor belt away from the driving wheel is connected to the support. The brackets are in contact with each other, the driving wheel is connected with a second motor fixedly connected to the bracket, and the second motor is also electrically connected with the electric switch. There is a water pipe, the water pipe is connected with the open faucet, the water pipe is connected with an on-off valve for opening or closing the water pipe, and the on-off valve is connected with the transmission mechanism; the transmission mechanism includes a support rod rotatably connected with the driving wheel, and the supporting rod is connected with the driving wheel. The connection point of the support rod is the second fulcrum; the end of the support rod away from the driving wheel is rotatably connected with a connecting rod, the support rod is rotatably connected to the bracket, the connection point between the support rod and the connecting rod is the first fulcrum, the connecting rod is set obliquely, and the The low end is rotatably connected with a pendulum rod, the pendulum rod is rotatably connected with the driven wheel, and the high end of the connecting rod is in contact with the bottom end of the pedal; the end of the water pipe away from the faucet is vertically rotated and connected with a joint, and the joint is connected with a fixed connection on the bracket The first motor that can be forward and reversed, the first motor is also electrically connected to the electric switch, the connector is connected with a horizontal communication tube, the communication tube is fixedly connected with a tension spring, and the end of the tension spring away from the communication tube and the bracket Fixed connection, a plurality of water spraying mechanisms are connected on the communication pipe, and the water outlet of the water spraying mechanism faces the crawler; a manure scraping mechanism is arranged between the conveyor belt and the pedal. 2 . The cowshed with automatic air purification effect according to claim 1 , wherein the electric switch comprises a first conductive block fixedly connected to the bottom end of the pedal, the first conductive block is electrically connected with the power supply, and the first There is a second conductive block fixedly connected to the support directly below the conductive block, the first conductive block and the second conductive block are intermittently abutted, and the exhaust fan, the first motor and the second motor are all electrically connected to the second conductive block. 3. The cowshed with automatic air purification effect according to claim 2, characterized in that: a first time relay for delaying power failure of the exhaust fan is electrically connected between the exhaust fan and the second conductive block, A second time relay for delaying energization of the second motor is electrically connected between the second motor and the second conductive block. 4. The cow shed with automatic air purification effect according to claim 3, wherein the on-off valve comprises a baffle that is slidably connected to the water pipe, and the baffle is provided with a through hole that is staggered with the water outlet of the water pipe , the through hole is located under the water pipe, the upper end of the baffle is fixedly connected with a second compression spring, the end of the second compression spring away from the baffle is fixedly connected to the bracket, the lower end of the baffle is arc-shaped, and the lower end of the baffle is connected to the pendulum The upper ends of the rods meet intermittently. 5. The cowshed with automatic air purification effect according to claim 4, wherein the manure scraping mechanism comprises a first scraper, a second scraper and a third scraper which are all fixedly connected to the bracket , the third scraper is in contact with the belt surface of the crawler, and the distance from the second scraper to the crawler is smaller than the distance from the first scraper to the crawler. 6 . The cowshed with automatic air purification effect according to claim 5 , wherein the water spray mechanism comprises a water spray pipe communicated with a communication pipe, the water spray pipe is connected with a spray head, and the water spray pipe is connected to the water spray pipe. 7 . There is a flow valve, and the flow valve is rotated and connected with a handle for adjusting the opening size of the flow valve, and the handles are intermittently offset with the feces. 7. The cowshed with automatic air purifying effect according to claim 6, characterized in that: it also comprises a suspension mechanism, the suspension mechanism comprises a hanger rod that is worn on the communication pipe, and the upper end of the hanger rod is clamped An arc-shaped slide rail is combined and slidably connected, the slide rail is fixedly connected with a cross beam, and the cross beam is arranged on the cowshed.

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