CN217025713U

CN217025713U - Cattle breeding equipment with excrement collecting and fermenting functions

Info

Publication number: CN217025713U
Application number: CN202122796402.5U
Authority: CN
Inventors: 康丽峰
Original assignee: Lingwu Yufuyang Agriculture And Animal Husbandry Co ltd
Current assignee: Lingwu Yufuyang Agriculture And Animal Husbandry Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-07-22
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to the technical field of cattle breeding, and discloses cattle breeding equipment with excrement collecting and fermenting functions, wherein the cattle breeding equipment with the excrement collecting and fermenting functions comprises a bottom plate, a first box body and a second box body are fixedly installed at the top of the bottom plate, a feed hopper and a liquid storage box are fixedly installed at the top of the first box body, the bottom of one side of the liquid storage box is fixedly communicated with the top end of a liquid outlet pipe, an electromagnetic valve is arranged on the liquid outlet pipe, the bottom end of the liquid outlet pipe extends into the first box body and is fixedly communicated with a first liquid distribution pipe, the first liquid distribution pipe is fixedly installed on the inner wall of the top of the first box body, the bottom of the first liquid distribution pipe is fixedly communicated with a plurality of first spray heads, and a motor is fixedly installed at one side of the first box body. The utility model has reasonable structural design and simple operation, is convenient for fermenting and collecting the excrement, can effectively purify the odor generated by fermentation, and avoids the influence of the waste gas generated by fermentation on the air environment.

Description

Cattle breeding equipment with excrement collecting and fermenting functions

Technical Field

The utility model relates to the technical field of cattle breeding, in particular to cattle breeding equipment with a feces collection and fermentation function.

Background

The cow dung is rich in cellulose, organic matters, amino acid and multiple humic acids, and the components in the cow dung are good organic fertilizers for crops, so that the harm can be changed into treasure by using the cow dung to prepare the bio-organic fertilizer, the research on the method for producing the organic fertilizer by using the cow dung and the application process have important scientific significance and production practice significance, and the patent with the authorization publication number of CN210298951U discloses cow breeding equipment with the function of collecting and fermenting the excrement, which comprises a feed table, a fermentation bin and a base through retrieval; the absorption port of the trapezoidal section of the device can scoop excrement into the conveying pipe under the condition of insufficient electric power, so that the practicability of the device is improved, and the consumption of electric energy is reduced; the motor drives the stirring blades on the rotating shaft to rotate, the collected cow dung is fermented, and the cow dung after fermentation treatment is collected by opening the inserting blocks, so that the device is convenient to operate, labor-saving and efficient; the conveying pipe is wound around the winding column, and the limiting column at the rear part of the absorption port is inserted into the limiting hole in the base, so that the absorption port can be well fixed and stored, the floor area is reduced, and the possibility that the conveying pipe is trodden by workers to damage equipment is reduced, and the service life of the equipment is prolonged; the sealing of the fermentation bin is improved through the rubber ring.

However, the manure collecting and fermenting apparatus in the prior art has poor decomposition effect on the resolution, low working efficiency, and can not purify the odor generated in the fermentation process, which affects the quality of the air environment, so we propose cattle breeding equipment with manure collecting and fermenting functions to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provides cattle breeding equipment with a feces collecting and fermenting function.

In order to achieve the purpose, the utility model adopts the following technical scheme:

cattle breeding equipment with excrement collecting and fermenting functions comprises a bottom plate, wherein a first box body and a second box body are fixedly arranged at the top of the bottom plate, a feed hopper and a liquid storage box are fixedly arranged at the top of the first box body, the bottom of one side of the liquid storage box is fixedly communicated with the top end of a liquid outlet pipe, a solenoid valve is arranged on the liquid outlet pipe, the bottom end of the liquid outlet pipe extends into the first box body and is fixedly communicated with a first liquid distribution pipe, the first liquid distribution pipe is fixedly arranged on the inner wall of the top of the first box body, a plurality of first spray heads are fixedly communicated with the bottom of the first liquid distribution pipe, a motor is fixedly arranged on one side of the first box body, one end of a first rotating shaft is fixedly connected onto an output shaft of the motor, the other end of the first rotating shaft penetrates through the first box body and extends to the other side of the first box body, a plurality of first stirring rods are fixedly arranged on the outer side of the first rotating shaft, a guide plate which is obliquely arranged is fixedly arranged in the first box body, an opening is formed in one side of the top of the material guide plate, a material baffle plate is rotatably mounted at the bottom of the material guide plate, the top end of a spring is fixedly mounted at the bottom of the material baffle plate, a baffle plate is fixedly mounted at the bottom of the material guide plate, a filter screen which is obliquely arranged is fixedly mounted in the first box body, an air inlet pipe is fixedly mounted at one side of the second box body, a second rotating shaft is rotatably mounted in the air inlet pipe, one end of the second rotating shaft extends out of the air inlet pipe and is fixedly mounted with a second belt pulley and a first belt pulley respectively with the other end of the first rotating shaft, the first belt pulley and the second belt pulley are in transmission connection with the same belt, a plurality of fan blades are fixedly mounted at the outer side of the second rotating shaft, the top of the air inlet pipe is fixedly communicated with the bottom end of an air conveying pipe, the top end of the air conveying pipe is communicated with the first box body, the other end of the second rotating shaft extends into the second box body and is fixedly mounted with a plurality of second stirring rods, a water pump is fixedly arranged on the top of the bottom plate, one side and the top of the water pump are respectively and fixedly communicated with one end of a first pipe and one end of a second pipe, the other ends of the first pipe and the second pipe extend into the second box body, the other end of the second pipe is fixedly communicated with one end of a hose, the other end of the hose is fixedly communicated with a second liquid dividing pipe, the bottom of the second liquid dividing pipe is fixedly communicated with a plurality of second nozzles, two sides of the second liquid dividing pipe are respectively and fixedly connected with one end of a third rotating shaft, the other end of the third rotating shaft on the right side of the two third rotating shafts is rotatably arranged on the inner wall of the second box body, the other end of the third rotating shaft on the left side of the two third rotating shafts extends out of the second box body and is fixedly provided with a gear, a transverse plate is slidably arranged on one side of the second box body, a rack is fixedly arranged on the top of the transverse plate, the rack is meshed with the gear, and a connecting plate is rotatably arranged on the top of the transverse plate, one side fixed welding of first belt pulley has the circle axle, and the connecting plate rotates and installs in the outside of circle axle, and fixed mounting has a plurality of ultraviolet tube in the second box, and the top fixed mounting of second box has the outlet duct, and fixed mounting has the active carbon adsorption layer in the outlet duct.

Preferably, the top fixed mounting of first minute liquid pipe has the bottom of a plurality of fixed blocks, and the equal fixed mounting in top of a plurality of fixed blocks is convenient for the first minute liquid pipe of fixed mounting on the top inner wall of first box.

Preferably, mounting holes are formed in the inner walls of the two sides of the first box body, the outer rings of the bearings are fixedly mounted in the two mounting holes, and the first rotating shaft is fixedly sleeved with the inner rings of the two bearings and is convenient to rotate and mount.

Preferably, the bottom fixed mounting of stock guide has the connecting rod, and the striker plate rotates to be installed in the outside of connecting rod, is convenient for rotate the installation striker plate.

Preferably, a discharge port is formed in one side of the first box body, and the discharge port and the bottom of the filter screen are located on the same horizontal axis, so that discharging is facilitated.

Preferably, a liquid discharge pipe is fixedly mounted at the bottom of one side of the first box body, and a stop valve is arranged on the liquid discharge pipe, so that waste liquid can be conveniently discharged.

Preferably, the spout has been seted up to one side of second box, and diaphragm sliding connection has the montant in the spout, and diaphragm sliding connection has in the spout, and certain limiting displacement is played to the diaphragm in the outside of montant.

Preferably, the top of diaphragm fixed mounting has two cardboards, and one side that two cardboards are close to each other fixed mounting has same kelly, and the connecting plate rotates to be installed in the outside of kelly, is convenient for rotate the installation connecting plate.

Compared with the prior art, the utility model provides the cattle breeding equipment with the excrement collecting and fermenting functions, which has the following beneficial effects:

(1) excrement is thrown into the first box body through the feed hopper, the electromagnetic valve is opened, fermentation liquor in the liquid storage box enters the first liquid distribution pipe through the liquid outlet pipe and is sprayed on the excrement through the first spray heads, the motor is started to drive the first rotating shafts to rotate at the same time, the first rotating shafts drive the first stirring rods to rotate to fully stir and ferment the excrement, the fermented excrement extrudes the spring through self gravity and drives the baffle plate to rotate, the excrement can fall onto the filter screen through the opening, the falling speed of the excrement can be effectively reduced, the excrement can be fully fermented, a certain buffering effect can be achieved, the filter screen is prevented from being damaged by the excrement, the fermented excrement can be filtered through the filter screen and discharged through the discharge port, and the fermentation and collection of the excrement are facilitated;

(2) meanwhile, the second rotating shaft can be driven to rotate by the transmission connection of the first belt pulley and the second belt pulley with the belt, so that the second rotating shaft drives the plurality of fan blades and the plurality of second stirring rods to rotate, odor generated in fermentation is input into the second box body through the gas conveying pipe and the gas inlet pipe, the water pump is started, liquid medicine in the second box body is enabled to be matched with the second pipe through the first pipe and matched with the second branch pipe through the hose, the odor is purified by the contact between the odor and the sprayed out of the second nozzles through the second nozzles, meanwhile, the transverse plate can be driven to reciprocate through the connecting plate which is connected in a rotating manner, so that the transverse moving rack can reciprocate up and down, the third rotating shaft can be driven to reciprocate through the meshing transmission of the rack and the gear, and the reciprocating rotation angle of the second branch pipe can be driven, and then can make liquid medicine and foul smell fully contact and purify the foul smell, the effectual purifying effect to the foul smell that has improved can make the foul smell after the purification further disinfect the purification through a plurality of ultraviolet tube immediately, then can discharge through the outlet duct after the absorption purification through the active carbon adsorption layer, effectual purifying treatment is carried out to the foul smell that the fermentation produced, has avoided the influence of the waste gas that the fermentation produced to air circumstance.

The utility model has reasonable structural design and simple operation, is convenient for fermenting and collecting the excrement, can effectively purify odor generated by fermentation and avoids the influence of waste gas generated by fermentation on the air environment.

Drawings

FIG. 1 is a schematic structural diagram of a cattle cultivation device with feces collection and fermentation functions, which is provided by the utility model;

FIG. 2 is a schematic structural diagram of part A of the cattle cultivation equipment with manure collecting and fermenting functions, which is provided by the utility model;

FIG. 3 is a schematic structural diagram of a part B of the cattle cultivation equipment with manure collecting and fermenting functions, which is provided by the utility model;

FIG. 4 is a schematic structural diagram of a part C of the cattle cultivation equipment with feces collection and fermentation functions, which is provided by the utility model;

FIG. 5 is a schematic structural diagram of a part D of the cattle cultivation apparatus with manure collecting and fermenting functions provided by the utility model.

In the figure: 1. a base plate; 2. a first case; 3. a second case; 4. a feed hopper; 5. a liquid storage tank; 6. a liquid outlet pipe; 7. a first liquid dividing pipe; 8. a first nozzle; 9. a motor; 10. a first rotating shaft; 11. a first stirring rod; 12. a stock guide; 13. an opening; 14. a striker plate; 15. a spring; 16. a baffle plate; 17. a filter screen; 18. an air inlet pipe; 19. a second rotating shaft; 20. a first pulley; 21. a second pulley; 22. a belt; 23. a fan blade; 24. a gas delivery pipe; 25. a second stirring rod; 26. a water pump; 27. a first tube; 28. a second tube; 29. a hose; 30. a second liquid dividing pipe; 31. a second spray head; 32. a third rotating shaft; 33. a gear; 34. a transverse plate; 35. a rack; 36. a connecting plate; 37. a circular shaft; 38. an ultraviolet lamp tube; 39. an air outlet pipe; 40. an activated carbon adsorption layer.

Detailed Description

Referring to fig. 1-5, a cattle breeding device with feces collection and fermentation functions comprises a bottom plate 1, a first box body 2 and a second box body 3 are fixedly installed at the top of the bottom plate 1, a feed hopper 4 and a liquid storage box 5 are fixedly installed at the top of the first box body 2, the bottom of one side of the liquid storage box 5 is fixedly communicated with the top end of a liquid outlet pipe 6, an electromagnetic valve is arranged on the liquid outlet pipe 6, the bottom end of the liquid outlet pipe 6 extends into the first box body 2 and is fixedly communicated with a first liquid distribution pipe 7, the first liquid distribution pipe 7 is fixedly installed on the inner wall of the top of the first box body 2, the bottom of the first liquid distribution pipe 7 is fixedly communicated with a plurality of first nozzles 8, a motor 9 is fixedly installed at one side of the first box body 2, one end of a first rotating shaft 10 is fixedly connected to an output shaft of the motor 9, the other end of the first rotating shaft 10 penetrates through the first box body 2 and extends to the other side of the first box body 2, a plurality of first stirring rods 11 are fixedly installed at the outer side of the first rotating shaft 10, an inclined guide plate 12 is fixedly arranged in the first box body 2, an opening 13 is formed in one side of the top of the guide plate 12, a material baffle plate 14 is rotatably arranged at the bottom of the guide plate 12, the top end of a spring 15 is fixedly arranged at the bottom of the material baffle plate 14, a baffle plate 16 is fixedly arranged at the bottom end of the spring 15, a filter screen 17 which is obliquely arranged is fixedly arranged in the first box body 2, an air inlet pipe 18 is fixedly arranged at one side of the second box body 3, a second rotating shaft 19 is rotatably arranged in the air inlet pipe 18, one end of the second rotating shaft 19 extends out of the air inlet pipe 18 and is respectively and fixedly provided with a second belt pulley 21 and a first belt pulley 20 with the other end of the first rotating shaft 10, the first belt pulley 20 and the second belt pulley 21 are connected with the same belt 22 in a rotating manner, a plurality of fan blades 23 are fixedly arranged at the outer side of the second rotating shaft 19, the top of the air inlet pipe 18 is fixedly communicated with the bottom end of an air delivery pipe 24, the top end of the air pipe 24 is communicated with the first box body 2, the other end of the second rotating shaft 19 extends into the second box body 3 and is fixedly provided with a plurality of second stirring rods 25, the top of the bottom plate 1 is fixedly provided with a water pump 26, one side and the top of the water pump 26 are respectively and fixedly communicated with one end of a first pipe 27 and one end of a second pipe 28, the other ends of the first pipe 27 and the second pipe 28 extend into the second box body 3, the other end of the second pipe 28 is fixedly communicated with one end of a hose 29, the other end of the hose 29 is fixedly communicated with a second liquid distribution pipe 30, the bottom of the second liquid distribution pipe 30 is fixedly communicated with a plurality of second spray heads 31, two sides of the second liquid distribution pipe 30 are respectively and fixedly connected with one end of a third rotating shaft 32, the other end of the third rotating shaft 32 positioned on the right side in the two third rotating shafts 32 is rotatably arranged on the inner wall of the second box body 3, the other end of the third rotating shaft 32 positioned on the left side in the two third rotating shafts 32 extends out of the second box body 3 and is fixedly arranged with a gear 33, one side slidable mounting of second box 3 has diaphragm 34, the top fixed mounting of diaphragm 34 has rack 35, rack 35 meshes with gear 33 mutually, the top of diaphragm 34 is rotated and is installed connecting plate 36, the fixed welding in one side of first belt pulley 20 has circle axle 37, connecting plate 36 rotates and installs the outside at circle axle 37, fixed mounting has a plurality of ultraviolet tube 38 in the second box 3, the top fixed mounting of second box 3 has outlet duct 39, fixed mounting has active carbon adsorption layer 40 in the outlet duct 39.

The top of the first liquid distribution pipe 7 is fixedly provided with the bottoms of a plurality of fixed blocks, the tops of the fixed blocks are all fixedly arranged on the inner wall of the top of the first box body 2, the first liquid distribution pipe 7 is convenient to fixedly arrange, the inner walls of two sides of the first box body 2 are respectively provided with a mounting hole, the outer rings of bearings are respectively fixedly arranged in the two mounting holes, the first rotating shaft 10 is fixedly sleeved with the inner rings of the two bearings, the first rotating shaft 10 is convenient to rotatably arrange, the bottom of the guide plate 12 is fixedly provided with a connecting rod, the stop plate 14 is rotatably arranged on the outer side of the connecting rod, the stop plate 14 is convenient to rotatably arrange, one side of the first box body 2 is provided with a discharge port, the discharge port and the bottom of the filter screen 17 are positioned on the same horizontal axis, the discharge is convenient to discharge, the bottom of one side of the first box body 2 is fixedly provided with a liquid discharge pipe, the liquid discharge pipe is provided with a stop valve, the waste liquid is convenient to discharge, one side of the second box body 3 is provided with a chute, the transverse plate 34 is connected in the sliding groove in a sliding mode, a vertical rod is fixedly mounted in the sliding groove, the transverse plate 34 is connected to the outer side of the vertical rod in a sliding mode and plays a certain limiting role for the transverse plate 34, two clamping plates are fixedly mounted at the top of the transverse plate 34, the same clamping rod is fixedly mounted on one side, close to each other, of the two clamping plates, and the connecting plate 36 is rotatably mounted on the outer side of the clamping rod and convenient to rotate and mount the connecting plate 36.

The working principle of the utility model is as follows: excrement is put into the first box body 2 through the feed hopper 4, the electromagnetic valve is opened, so that fermentation liquor in the liquid storage box 5 enters the first liquid distribution pipe 7 through the liquid outlet pipe 6 and is sprayed on the excrement through the first spray nozzles 8, the starting motor 9 drives the first rotating shafts 10 to rotate at the same time, the first rotating shafts 10 drive the first stirring rods 11 to rotate to fully stir and ferment the excrement, the fermented excrement extrudes the spring 15 through self gravity and rotates the baffle plate 14, the excrement can fall onto the filter screen 17 through the opening 13, the dropping speed of the excrement can be effectively reduced, the excrement can be fully fermented, a certain buffering effect can be achieved, the filter screen 17 is prevented from being broken by smashing, the fermented excrement can be filtered through the filter screen 17 and discharged through the discharge port, and the fermentation and collection of the excrement are facilitated, meanwhile, the second rotating shaft 19 can be driven to rotate by the transmission connection of the first belt pulley 20, the second belt pulley 21 and the belt 22, so that the second rotating shaft 19 drives the plurality of fan blades 23 and the plurality of second stirring rods 25 to rotate, odor generated during fermentation is input into the second box body 3 through the air pipe 24 and the air inlet pipe 18, the water pump 26 is started, so that liquid medicine in the second box body 3 is matched with the second pipe 28 through the first pipe 27 and is purified through the contact of the odor sprayed from the plurality of second spray nozzles 31 through the common matching of the hose 29 and the second liquid distribution pipe 30, meanwhile, the transverse plate 34 can be driven to move up and down in a reciprocating manner through the connecting plate 36 which is connected in a rotating manner, so that the transverse plate 34 can drive the rack 35 to move up and down in a reciprocating manner, and the third rotating shaft 32 can be driven to rotate in a reciprocating manner through the meshing transmission of the rack 35 and the gear 33, therefore, the second liquid distribution pipe 30 can be driven to rotate in a reciprocating manner by an angle, so that liquid medicine can be fully contacted with odor to purify the odor, the odor purifying effect is effectively improved, the purified odor can be further sterilized and purified through the ultraviolet lamp tubes 38, and then can be discharged through the air outlet pipe 39 after being adsorbed and purified through the activated carbon adsorption layer 40, the odor generated by fermentation can be effectively purified, and the influence of waste gas generated by fermentation on the air environment can be avoided.

Claims

1. A cattle breeding device with excrement collecting and fermenting functions comprises a bottom plate and is characterized in that a first box body and a second box body are fixedly mounted at the top of the bottom plate, a feed hopper and a liquid storage box are fixedly mounted at the top of the first box body, the bottom of one side of the liquid storage box is fixedly communicated with the top end of a liquid outlet pipe, an electromagnetic valve is arranged on the liquid outlet pipe, the bottom end of the liquid outlet pipe extends into the first box body and is fixedly communicated with a first liquid distribution pipe, the first liquid distribution pipe is fixedly mounted on the inner wall of the top of the first box body, the bottom of the first liquid distribution pipe is fixedly communicated with a plurality of first spray heads, a motor is fixedly mounted at one side of the first box body, one end of a first rotating shaft is fixedly connected onto an output shaft of the motor, the other end of the first rotating shaft penetrates through the first box body and extends to the other side of the first box body, a plurality of first stirring rods are fixedly mounted at the outer side of the first rotating shaft, the air inlet pipe is characterized in that a guide plate which is obliquely arranged is fixedly arranged in the first box body, one side of the top of the guide plate is provided with an opening, the bottom of the guide plate is rotatably provided with a baffle plate, the bottom of the baffle plate is fixedly provided with the top end of a spring, the bottom end of the spring is fixedly provided with a baffle plate, the baffle plate is fixedly arranged at the bottom of the guide plate, a filter screen which is obliquely arranged is fixedly arranged in the first box body, one side of the second box body is fixedly provided with an air inlet pipe, the air inlet pipe is rotatably provided with a second rotating shaft, one end of the second rotating shaft extends out of the air inlet pipe and is fixedly provided with a second belt pulley and a first belt pulley respectively with the other end of the first rotating shaft, the first belt pulley and the second belt pulley are in transmission connection with the same belt, a plurality of fan blades are fixedly arranged on the outer side of the second rotating shaft, and the top of the air inlet pipe is fixedly communicated with the bottom end of an air delivery pipe, the top end of the gas pipe is communicated with the first box body, the other end of the second rotating shaft extends into the second box body and is fixedly provided with a plurality of second stirring rods, the top of the bottom plate is fixedly provided with a water pump, one side and the top of the water pump are respectively and fixedly communicated with one end of a first pipe and one end of a second pipe, the other ends of the first pipe and the second pipe extend into the second box body, the other end of the second pipe is fixedly communicated with one end of a hose, the other end of the hose is fixedly communicated with a second liquid distribution pipe, the bottom of the second liquid distribution pipe is fixedly communicated with a plurality of second nozzles, two sides of the second liquid distribution pipe are respectively and fixedly connected with one end of a third rotating shaft, the other end of the third rotating shaft on the right side in the two third rotating shafts is rotatably arranged on the inner wall of the second box body, and the other end of the third rotating shaft on the left side in the two third rotating shafts extends out of the second box body and is fixedly provided with a gear, one side slidable mounting of second box has the diaphragm, the top fixed mounting of diaphragm has the rack, the rack meshes with the gear mutually, the top of diaphragm is rotated and is installed the connecting plate, the fixed welding in one side of first belt pulley has the circle axle, the connecting plate rotates the outside of installing at the circle axle, fixed mounting has a plurality of ultraviolet tube in the second box, the top fixed mounting of second box has the outlet duct, fixed mounting has the active carbon adsorption layer in the outlet duct.

2. The cattle breeding device with the excrement collecting and fermenting function according to claim 1, wherein the top of the first liquid dividing pipe is fixedly provided with the bottoms of a plurality of fixing blocks, and the tops of the fixing blocks are fixedly arranged on the inner wall of the top of the first box body.

3. The cattle breeding device with the excrement collecting and fermenting function of claim 1, wherein mounting holes are formed in the inner walls of the two sides of the first box body, outer rings of bearings are fixedly mounted in the two mounting holes, and the first rotating shaft is fixedly sleeved with the inner rings of the two bearings.

4. The cattle breeding device with the excrement collecting and fermenting functions as claimed in claim 1, wherein a connecting rod is fixedly mounted at the bottom of the guide plate, and the striker plate is rotatably mounted on the outer side of the connecting rod.

5. The cattle breeding device with the excrement collecting and fermenting function of claim 1, wherein a discharge port is formed in one side of the first box body, and the discharge port and the bottom of the filter screen are located on the same horizontal axis.

6. The cattle breeding device with the excrement collecting and fermenting functions as claimed in claim 1, wherein a drain pipe is fixedly mounted at the bottom of one side of the first box body, and a stop valve is arranged on the drain pipe.

7. The cattle breeding device with the excrement collecting and fermenting functions as claimed in claim 1, wherein a sliding groove is formed in one side of the second box body, the transverse plate is connected in the sliding groove in a sliding mode, a vertical rod is fixedly mounted in the sliding groove, and the transverse plate is connected to the outer side of the vertical rod in a sliding mode.

8. The cattle breeding device with the excrement collecting and fermenting functions as claimed in claim 1, wherein two clamping plates are fixedly mounted at the top of the transverse plate, the same clamping rod is fixedly mounted on one side, close to each other, of the two clamping plates, and the connecting plate is rotatably mounted on the outer side of the clamping rod.