CN112493518A

CN112493518A - A fermenting installation for forage grass

Info

Publication number: CN112493518A
Application number: CN202011580096.5A
Authority: CN
Inventors: 肖正中; 周晓情; 吴柱月; 周俊华
Original assignee: Guangxi Zhuang Autonomous Region Institute of Animal Husbandry
Current assignee: Guangxi Zhuang Autonomous Region Institute of Animal Husbandry
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-03-16
Anticipated expiration: 2040-12-28
Also published as: CN112493518B

Abstract

The invention provides a fermentation device for forage grass, which comprises a storage tank, a sealing piston, a feeding control valve, a lifting mechanism and a discharging auxiliary mechanism. The sealing piston is arranged in the storage tank in a sliding manner and encloses a fermentation space together with the storage tank; the sealing piston is provided with a feeding hole and an exhaust hole at intervals, and the exhaust hole is provided with a one-way air valve; the feeding control valve is arranged on the sealing piston and used for controlling the on-off of the feeding hole; elevating system is connected with sealing piston, and ejection of compact complementary unit installs in the bottom of storage jar. It can solve the problem that current silage pond can't in time seal after feeding at every turn and lead to silage rotten rate to be high.

Description

A fermenting installation for forage grass

Technical Field

The invention relates to a fermentation device, in particular to a fermentation device for forage grass.

Background

When forage grass raw materials such as whole corn straws and the like are adopted to prepare silage, fermentation is usually carried out in a silage pond. The existing scale silage pool is often large in volume due to large demand, mechanical operation and the like, and one silage pool can usually contain more than hundreds to thousands of tons of forage grass raw materials. As the southern area has multiple hills and hills, uneven land and no pieces, and low mechanization degree, the current method still stays in the stage of manually harvesting forage grass raw materials. Many farms are usually started to collect or reap straws to make silage, the number of the straws collected every day is often limited, therefore, more than one week is usually needed for filling a silage pond, even more than one month is needed, the silage pond cannot be sealed in time, the situation that the straws filled before are mildewed and rotted and cannot be sealed and fermented often occurs, great influence is brought to the quality of the silage, the obtained silage is high in rotting rate and even large-area necrosis, the loss is serious, and the problem is a great problem which troubles the farms.

Partial farms wrap the straws by wrapping machines, so that the problems of small daily collection amount and timely sealing can be solved, but the wrapping needs to use a large amount of wrapping films and other materials, so that the wrapping cost of 60-120 yuan/ton (the original purchase price of forage grass is 120 yuan/ton and 300 yuan/ton) needs to be increased, and the cost of silage is greatly increased.

In addition, ensiling pond is usually got the material through equipment cooperation such as small-size excavator, because ensiling pond volume is great, for the fermentation material of conveniently taking the bottom of the pool, offer the material mouth of getting that extends to the bottom of the pool among the prior art usually on the pool wall, and for making things convenient for its material mouth of getting of mechanical work to be great usually, and still need open the opening at ensiling pond top when adopting machinery to dig the material, lead to raw materials in the ensiling pond and outside air large tracts of land contact, take place the oxidation corruption easily. Consequently, ensiling pond is opened the pond and is got the material and need accomplish in the short time and get the material, otherwise will appear the problem that whole pond is rotten, and the sealed degree of difficulty of ensiling pond is big, and sealed spend time is long, leads to the raw materials to contact with the outside air for a long time, gets the material inconvenient and the raw materials is perishable.

Disclosure of Invention

The invention aims to solve at least one of the technical problems, and provides a fermentation device for forage grass, which can solve the problem that the prior silage pool cannot be sealed in time after each feeding to cause high silage rotten rate.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a fermentation device for fodder grass comprising:

the top of the storage tank is provided with a top opening, the bottom of the storage tank is provided with a bottom opening, and the top opening and the bottom opening are both communicated with an inner cavity of the storage tank;

the sealing piston is arranged in the storage tank in a sliding way through the top opening and forms a fermentation space together with the storage tank; the sealed piston is provided with a feeding hole and an exhaust hole at intervals, the feeding hole and the exhaust hole are both communicated with the fermentation space, and the exhaust hole is provided with a one-way air valve for exhausting gas in the fermentation space;

the feeding control valve is arranged on the sealing piston and used for controlling the on-off of the feeding hole;

the lifting mechanism is connected with the sealing piston to control the sealing piston to slide along the height direction of the storage tank; and

the discharge auxiliary mechanism comprises a rotary disc, a discharge pipe, a discharge control valve and a spiral conveying assembly, the rotary disc is rotatably arranged on the inner bottom wall of the storage tank, and a discharge hole is formed in the rotary disc corresponding to the bottom opening of the storage tank; the discharging pipe is connected with the rotating disc and communicated with the discharging hole, is rotatably connected with the storage tank and extends out of the storage tank through the bottom opening; the discharge control valve is arranged on the discharge pipe and used for controlling the on-off of the discharge pipe; the spiral conveying assembly comprises a plurality of first axial spiral conveying pieces, a plurality of radial spiral conveying pieces and a plurality of second axial spiral conveying pieces, the first axial spiral conveying pieces are positioned above the rotary table and are arranged on the inner side wall of the storage tank at intervals along the circumferential direction of the storage tank, and the radial spiral conveying pieces are arranged on the top surface of the rotary table at intervals around the discharge port; and the second axial spiral conveying pieces are arranged on the inner wall of the discharge pipe at intervals around the axial direction of the storage tank.

Furthermore, the top surface of the sealing piston is concavely provided with a guide groove, the guide groove is communicated with the feed inlet, and the cross sectional area of the guide groove is gradually increased from the direction far away from the feed inlet.

Furthermore, the feeding control valve comprises a valve plate and a valve driving piece, the valve plate is in sliding connection with the sealing piston, and the valve driving piece is arranged in the sealing piston and is connected with the valve plate so as to drive the valve plate to move towards the direction close to the feeding hole to close the feeding hole or move towards the direction far away from the feeding hole to open the feeding hole.

Furthermore, the lifting mechanism comprises a winch, a roller and a traction rope, and the traction rope is wound on the winch, wound around the roller and then connected with the sealing piston.

Furthermore, the fermentation device for the forage grass further comprises a counterweight, the counterweight and the lifting mechanism are respectively located on two opposite sides of the sealing piston, the counterweight comprises a rope, a pulley block and a counterweight, one end of the rope is connected with one side, back to the fermentation space, of the sealing piston, and the other end of the rope is wound around the pulley block and is detachably connected with the counterweight.

Furthermore, the fermentation device for the forage grass also comprises a stirrer, wherein the stirrer comprises a stirring motor, a stirring shaft and a stirring paddle, the stirring motor is arranged in the sealing piston, one end of the stirring shaft extends into the sealing piston and is connected with the stirring motor, and the other end of the stirring shaft is positioned in the fermentation space; the stirring paddle is positioned in the fermentation space and is connected with the stirring shaft, and the stirring paddle is parallel to and contacts with the bottom surface of the sealing piston.

Further, first axial auger delivery spare includes first rotation axis and first helical blade, and first rotation axis rotates with the inside wall of storage jar to be connected and with the axial direction parallel of storage jar, and first helical blade is installed on the outer wall of first rotation axis, and first rotation axis can atress rotation and through first helical blade with the forage grass raw materials direction carousel in the storage jar.

Furthermore, the rotary table comprises a rotary driving piece, and the rotary driving piece is connected with the discharge pipe so as to drive the discharge pipe and the rotary table to rotate; the discharging control valve is positioned outside the storage tank.

Furthermore, the second axial spiral conveying pieces are the same in number and correspond to the radial spiral conveying pieces one by one, and one end of each second axial spiral conveying piece is in transmission connection with one end of the corresponding radial spiral conveying piece through a transmission piece; radial auger delivery spare can lead the discharge gate with the forage grass raw materials in the holding vessel, and the discharging pipe can be derived to the forage grass raw materials of second axial auger delivery spare in discharge gate department.

Furthermore, the fermentation device for the forage grass also comprises a lifting machine, and the discharge end of the lifting machine is positioned right above the guide groove.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

1. after the forage grass fermentation device is fed, the feed inlet can be closed in time through the feed control valve, the lifting mechanism can drive the sealing piston to move, so that the volume of the fermentation space can be adjusted according to the raw material amount in the fermentation space, air in the storage tank can be discharged through the one-way air valve arranged on the sealing piston, the storage tank can be sealed in time after feeding or taking materials every time, and the problem that the raw materials are easy to rot due to excessive air in the storage tank is solved; simultaneously, when the above-mentioned fermenting installation for forage grass was got the material, can get the material through opening ejection of compact control valve, got and closed ejection of compact control valve and can realize sealing, be convenient for get the material, the raw materials in the storage tank can not the large tracts of land, long-time and air contact, avoid the oxidation corruption, solved current ensilage open the pond and got and need use the completion in the short time after the material, otherwise will appear the problem of whole pond corruption.

2. Because forage grass raw materials such as straw flow relatively poorly, it is difficult to follow the automatic unloading of discharge gate, therefore, the above-mentioned fermenting installation for forage grass still is provided with ejection of compact complementary unit, the tank bottoms of storage jar is pushed to forage grass raw materials such as straw to first axial auger delivery spare through among the ejection of compact complementary unit, and through the carousel among the ejection of compact complementary unit, the automatic discharging pipe of pushing out of the forage grass of tank bottoms is realized to the cooperation of radial auger delivery spare and second axial auger delivery spare, the difficult problem of the relatively poor forage grass raw materials ejection of compact of mobility has been solved, and can prevent that the forage grass in the storage tank from appearing the bridge and taking place the jam in discharge gate department.

3. According to the fermentation device for the forage grass, the feeding hole is formed in the top of the fermentation space, the discharging pipe is arranged at the bottom of the storage tank, feeding is carried out from the top of the fermentation space during feeding, and discharging is carried out from the discharging pipe at the bottom of the storage tank during discharging, so that the fermented material taken out is the forage grass with the longest fermentation time, the fermentation time of the forage grass can be guaranteed, and the forage grass can be prevented from being rotten due to overlong fermentation time; because it can ensure that the fermented material of taking out is the forage grass of fermentation time longest, consequently, when the fermentation, can be to the continuous feeding in the holding vessel, it is more convenient to use.

4. The fermentation device for the forage grass further comprises the stirrer, the stirrer can rake the forage grass entering the storage tank, the sealing piston is enabled to be attached to the surface of the forage grass in the storage tank, the forage grass raw material in the sealing piston compaction storage tank is facilitated, and gas in a fermentation space is further reduced.

Drawings

Fig. 1 is a schematic structural view of a fermentation device for forage according to a preferred embodiment of the present invention.

Fig. 2 is a schematic view of the fermentation device for fodder shown in fig. 1 at the sealing piston.

Fig. 3 is an enlarged view of fig. 2 at a.

Fig. 4 is a schematic top view of the storage tank of fig. 1 with the feed port in a closed position.

Fig. 5 is a schematic structural view of the storage tank shown in fig. 4 in an open state of the feed port.

Fig. 6 is a schematic structural view of the fermentation device for fodder shown in fig. 1 at a discharge auxiliary mechanism.

Fig. 7 is a schematic top view of the turntable of fig. 1.

Fig. 8 is a schematic view of the connection structure of the radial conveying member, the second axial conveying member and the transmission member in fig. 1.

Fig. 9 is a schematic view of a connection structure of the first axial screw conveyor, the gear box and the first driving member in fig. 1.

Schematic top view of (a).

Description of the main elements

100. A fermentation device for forage grass; 2. storing the tank; 21. the top is open; 23. the bottom is open; 25. a fermentation space; 3. a sealing piston; 31. a feed inlet; 33. an exhaust hole; 35. a one-way air valve; 36. a guide groove; 37. a mounting cavity; 38. a slide hole; 4. a feed control valve; 41. a valve plate; 42. a valve drive member; 5. a lifting mechanism; 51. a winch; 52. a roller; 53. a hauling rope; 6. a discharge auxiliary mechanism; 611. a discharge port; 612. a turntable; 613. a discharge pipe; 614. a rotary drive member; 615. a transmission gear; 616. a reduction motor; 617. a driving gear; 618. mounting grooves; 62. a bearing; 63. a discharge control valve; 64. a screw conveying assembly; 65. a first axial auger; 651. a first rotating shaft; 653. a first helical blade; 654. a first driving member; 66. a radial spiral conveying member; 661. a rotating shaft; 663. a screw conveying blade; 67. a second axial auger delivery member; 671. a second rotation shaft; 673. a second helical blade; 674. a second driving member; 68. a gear case; 681. a box body; 682. a first bevel gear; 683. a second bevel gear; 69. a transmission member; 691. a housing; 692. a drive bevel gear; 693. a driven bevel gear; 7. a support frame; 8. a counterweight; 81. a rope; 83. a pulley block; 85. counterweight weights; 86. a fixed pulley; 87. a support plate; 9. a stirrer; 91. a stirring motor; 92. a stirring shaft; 93. a stirring paddle; 11. a hoist; 13. and (4) loading and unloading the hopper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a fermentation apparatus 100 for forage grass according to a preferred embodiment of the present invention includes a storage tank 2, a sealing piston 3, a feeding control valve 4, a lifting mechanism 5, and a discharging auxiliary mechanism 6.

Referring also to fig. 2, the top of the storage tank 2 is provided with a top opening 21, the bottom of the storage tank 2 is provided with a bottom opening 23, and both the top opening 21 and the bottom opening 23 are communicated with the inner cavity of the storage tank 2. The sealing piston 3 is slidably mounted in the storage tank 2 through the top opening 21, and encloses a fermentation space 25 together with the storage tank 2, and the fermentation space 25 is communicated with the bottom opening 23. The sealed piston 3 is provided with a feeding hole 31 and an exhaust hole 33 at intervals, the feeding hole 31 and the exhaust hole 33 are both communicated with the fermentation space 25, and the exhaust hole 33 is provided with a one-way air valve 35 for exhausting the air in the fermentation space 25. The sealing piston 3 is in sliding contact with the inner wall of the storage tank 2 to achieve a sealing effect. The sealing piston 3 can play a role of sealing the fermentation space 25, and the sealing piston 3 can adjust the height of the sealing piston 3 according to the amount of the raw materials in the fermentation space 25 so as to adjust the size of the fermentation space 25 and discharge the air in the fermentation space 25. The one-way gas valve 35 is capable of allowing gas to escape from the fermentation space 25 to the outside via the gas vent 33 without allowing gas to enter the fermentation space 25 via the gas vent 33. The structure of the one-way valve 35 is known in the art and will not be described herein for brevity. In the present embodiment, the top surface of the sealing piston 3 is further concavely provided with a guide groove 36, the guide groove 36 is communicated with the feed opening 31, and the cross-sectional area of the guide groove 36 is gradually increased from the direction away from the feed opening 31 so as to guide the forage material into the feed opening 31. In this embodiment, the fermentation apparatus 100 further includes a support frame 7, and the support frame 7 supports the bottom of the storage tank 2, so that the discharge port 611 is located at a suitable height, which is more convenient for taking the material.

The feeding control valve 4 is arranged on the sealing piston 3 and used for controlling the on-off of the feeding hole 31. Referring to fig. 3, 4 and 5, in the present embodiment, the feeding control valve 4 includes a valve plate 41 and a valve driving member 42, the valve plate 41 is slidably connected to the sealing piston 3, the valve driving member 42 is installed in the sealing piston 3 and connected to the valve plate 41 to drive the valve plate 41 to move toward a direction close to the feeding hole 31 to close the feeding hole 31 or move toward a direction away from the feeding hole 31 to open the feeding hole 31, which specifically includes: a mounting cavity 37 and a sliding hole 38 are arranged in the sealing piston 3, and the sliding hole 38 is communicated with the mounting cavity 37 and the feed port 31; the valve driving member 42 is installed in the installation cavity 37, the valve plate 41 is connected with the valve driving member 42 through the sliding hole 38, and under the driving of the valve driving member 42, the valve plate 41 can move towards the feed opening 31 to close the feed opening 31, or can move towards the direction far away from the feed opening 31 and be contained in the installation cavity 37, so that the fermentation space 25 can be communicated with the guide groove 36 through the feed opening 31. It can be understood that, in order to further improve the sealing performance, a sealing groove (not shown) may be concavely provided on the valve plate 41, and a sealing ring (not shown) may be installed in the sealing groove, so that when the valve plate 41 closes the feed port 31, the sealing ring can contact with a hole wall enclosing the feed port 31, so as to further improve the sealing performance. It is understood that the structure of the feed control valve 4 is not limited to this embodiment, and other structures of the prior art may be adopted; the valve driving member 42 may be a cylinder, etc. as a driving mechanism, which belongs to the prior art and will not be described herein for brevity.

The lifting mechanism 5 is connected to the sealing piston 3 to control the sealing piston 3 to slide in the height direction of the tank 2. In this embodiment, the lifting mechanism 5 includes a winch 51, a roller 52 and a pulling rope 53, the pulling rope 53 is wound on the winch 51 and connected to the sealing piston 3 after passing through the roller 52, specifically, the winch 51 is installed on the supporting frame 7, the roller 52 is rotatably connected to the supporting frame 7, and the pulling rope 53 is connected to a side of the sealing piston 3 facing away from the fermentation space 25. It will be appreciated that in other embodiments, winch 51 and roller 52 may be connected to the outer wall of storage tank 2 via a frame. An anti-rotation pin (not shown) is arranged on the winch 51, and after the anti-rotation pin is taken out of the winch 51, the winch 51 can rotate freely to wind or release the traction rope 53, so that the sealing piston 3 can be lifted and lowered; after the winch 51 is plugged with the rotation-preventing pin, the winch 51 is locked against rotation, and the sealing piston 3 can be positioned at the adjusted height position. The structure of the winch 51 belongs to the prior art, for example, refer to the winch structure in the chinese patent application CN110092313A, and the details are not repeated herein for brevity.

The fermentation device 100 for forage grass further comprises a weight 8, and the weight 8 and the lifting mechanism 5 are respectively positioned at two opposite sides of the sealing piston 3. The counterweight 8 comprises a rope 81, a pulley block 83 and a counterweight 85, one end of the rope 81 is connected with one side of the sealed piston 3, which is back to the fermentation space 25, and the other end of the rope 81 is wound around the pulley block 83 and is detachably connected with the counterweight 85. In the present embodiment, the pulley block 83 includes two fixed pulleys 86, and the two fixed pulleys 86 are spaced apart and rotatably mounted on an external frame (not shown) or the supporting frame 7, or can be connected to the storage tank 2 through the frame (not shown); the rope 81 passes around two fixed pulleys 86. It is understood that the number of pulleys included in the pulley block 83 can be set according to actual needs. Counterweight 85 and rope 81 can be dismantled and be connected, specifically is: the end of the rope 81 remote from the sealing piston 3 is connected with a support plate 87, and a counterweight 85 is placed on the support plate 87 to be detachably connected with the rope 81 through the support plate 87. During the use, can place counter weight 85 at backup pad 87, can offset the partial gravity of sealing piston 3 through the weight of counter weight 85 to it is more laborsaving when promoting sealing piston 3 through elevating system 5. It is understood that the way of detachably connecting the counterweight 85 and the rope 81 is not limited to this embodiment, for example, in other embodiments, one end of the rope 81 away from the sealing piston 3 is provided with a hanging ring, and the two opposite ends of the counterweight 85 are respectively provided with a hook and a hanging hole, wherein the hook of one counterweight 85 is hooked with the hanging ring on the rope 81, so as to detachably connect the counterweight 85 and the rope 81 together; when a plurality of counter weight weights 85, can articulate couple on the counter weight 85 and the hanging hole of adjacent counter weight 85 to link together a plurality of counter weight weights 85 detachably.

Referring to fig. 6, the auxiliary discharging mechanism 6 is located at the bottom of the storage tank 2, and includes a rotating disc 612, a discharging pipe 613, a discharging control valve 63 and a spiral conveying assembly 64, the rotating disc 612 is rotatably installed in the storage tank 2, and a discharging hole 611 is formed on the rotating disc 612 corresponding to the bottom opening 23 of the storage tank 2. In the present embodiment, the turntable 612 is located in the fermentation space 25, and covers the inner bottom wall of the storage tank 2, and preferably, the outer periphery of the turntable 612 is in rolling contact with the inner side wall of the storage tank 2. The outlet pipe 613 is connected to the rotary plate 612 and communicates with the outlet port 611, and the outlet pipe 613 is rotatably connected to the storage tank 2 and extends out of the storage tank 2 through the bottom opening 23. In this embodiment, the outlet pipe 613 is connected to the side of the rotary disk 612 facing away from the sealing piston 3 and is rotatably connected to the side wall bounding the bottom opening 23 via a bearing 62. The discharge auxiliary mechanism 6 further includes a rotary driving element 614, the rotary driving element 614 is connected to the discharge pipe 613 to drive the discharge pipe 613 and the turntable 612 to rotate, specifically: a transmission gear 615 is fixed on the outer peripheral wall of the discharge pipe 613, the transmission gear 615 is located outside the storage tank 2, the rotary driving member 614 includes a reduction motor 616 and a driving gear 617 connected to the reduction motor 616, and the driving gear 617 is engaged with the transmission gear 615. The reduction motor 616 can drive the driving gear 617 to rotate, and drive the discharging pipe 613 and the turntable 612 to rotate around the axis of the storage tank 2 through the transmission gear 615.

The discharge control valve 63 is disposed on the discharge pipe 613 for controlling the on/off of the discharge pipe 613, and in this embodiment, the discharge control valve 63 is located outside the storage tank 2 for the user to operate. The structure of the discharge control valve 63 is known in the art and will not be described herein for brevity.

The spiral conveying assembly 64 comprises a plurality of first axial spiral conveying pieces 65, a plurality of radial spiral conveying pieces 66 and a plurality of second axial spiral conveying pieces 67, wherein the plurality of first axial spiral conveying pieces 65 are positioned above the rotary table 612 and are arranged on the inner side wall of the storage tank 2 at intervals along the circumferential direction of the storage tank 2, and the plurality of radial spiral conveying pieces 66 are arranged on the top surface of the rotary table 612 at intervals around the discharge hole 611; a plurality of second axial conveying screws 67 are mounted on the inner side wall of the discharge pipe 613 at intervals around the axial direction of the storage tank 2.

In this embodiment, the first axial screw 65 includes a first rotary shaft 651 and a first screw 653, the first rotary shaft 651 is rotatably connected to the inner side wall of the storage tank 2 and is parallel to the axial direction of the storage tank 2, the first screw 653 is attached to the outer wall of the first rotary shaft 651, and the first rotary shaft 651 is capable of rotating by a force and guides the fodder material from the storage tank 2 to the turntable 612 via the first screw 653. In this embodiment, the first axial screw conveyor 65 further includes a first driving member 654 for driving the first rotating shaft 651 to rotate, the first driving member 654 may be a motor in the prior art, and referring to fig. 9, a motor body of the first driving member 654 is mounted on an outer wall of the storage tank 2, and a driving shaft of the first driving member 654 rotatably penetrates through a side wall of the storage tank 2 and is connected to one end of the first rotating shaft 651. Specifically, a driving shaft of the first driving member 654 may be connected to one end of the first rotating shaft 651 through a transmission mechanism such as a gear box 68, so as to rotate the first rotating shaft 651. The gear box 68 may include a box 681 and a first bevel gear 682 and a second bevel gear 683 both located in the box 681, the box 681 is fixed on the inner wall of the storage tank 2, the driving shaft of the first driving member 654 is rotatably inserted into the box 681 and connected to the first bevel gear 682, the first rotating shaft 651 is rotatably inserted into the box 681 and connected to the second bevel gear 683, and the second bevel gear 683 is engaged with the first bevel gear 682. It is understood that the structure of the first driving member 654 is not limited to the embodiment, and other driving devices capable of driving the first rotating shaft 651 to rotate may be used. The first rotating shaft 651 is driven to rotate by the first driving member 654, so that the labor intensity can be reduced. It will be appreciated that to further improve the sealing, a sealing mechanism may be provided between the drive shaft of the first drive member 654 and the reservoir 2, which is known in the art and will not be described further herein for brevity.

Referring to fig. 7, the radial conveying screw 66 is connected to the top surface of the rotating disc 612, in the present embodiment, a mounting groove 618 is concavely formed on the top surface of the rotating disc 612 corresponding to the radial conveying screw 66, and the mounting groove 618 extends along the radial direction of the rotating disc 612; the radial screw conveying member 66 includes a rotating shaft 661 and screw conveying blades 663, the rotating shaft 661 is disposed in the corresponding mounting groove 618 and extends along the radial direction of the rotating disk 612, the screw conveying blades 663 are disposed on the outer wall of the rotating shaft 661 and protrude from one side of the mounting groove 618 opposite to the discharging pipe 613, the second rotating shaft 671 can be forced to rotate, and the forage grass raw material in the storage tank 2 is guided to the discharging port 611 along the radial direction of the rotating disk 612 by the screw conveying blades 663.

The second axial screw 67 is connected to the inner wall of the discharge pipe 613; in the present embodiment, the number of the second axial conveying members 67 is the same as that of the radial conveying members 66, and the second axial conveying members 67 correspond to the radial conveying members 66 one by one, and one end of each second axial conveying member 67 is in transmission connection with one end of the corresponding radial conveying member 66 through a transmission member 69. The second axial screw conveyor 67 specifically includes a second rotating shaft 671 and a second helical blade 673, the second rotating shaft 671 is rotatably connected to the inner wall of the discharge pipe 613 and is parallel to the axial direction of the storage tank 2, the second helical blade 673 is installed on the outer wall of the second rotating shaft 671, and the second rotating shaft 671 can rotate under force to guide the forage grass raw material at the discharge port 611 out of the discharge pipe 613 through the second helical blade 673. One end of the second rotating shaft 671 is in transmission connection with one end of the rotating shaft 661 corresponding to the radial spiral conveying member 66 through the transmission member 69, specifically: referring to fig. 8, the driving member 69 includes a housing 691, and a driving bevel gear 692 and a driven bevel gear 693 both located in the housing 691, the housing 691 is fixed on an inner wall enclosing the discharge port 611, one end of the second rotating shaft 671 is rotatably disposed through the housing 691 and connected to the driving bevel gear 692, the rotating shaft 661 is rotatably disposed through the housing 691 and connected to the driven bevel gear 693, and the driving bevel gear 692 is engaged with the driven bevel gear 693. It is understood that the structure of the transmission member 69 is not limited to the embodiment, and other transmission mechanisms in the prior art may be adopted, as long as the second rotating shaft 671 can drive the rotating shaft 661 to rotate together.

Referring to fig. 2 and 4 again, the fermentation apparatus 100 for forage grass further includes a stirrer 9, the stirrer 9 includes a stirring motor 91, a stirring shaft 92 and a stirring paddle 93, the stirring motor 91 is installed in the installation cavity 37 of the seal piston 3, one end of the stirring shaft 92 extends into the seal piston 3 and is connected with the stirring motor 91, and the other end of the stirring shaft 92 is located in the fermentation space 25; the stirring paddle 93 is located in the fermentation space 25 and connected to the stirring shaft 92, and the stirring paddle 93 is parallel to and in contact with the bottom surface of the sealing piston 3. In this embodiment, the number of stirrers 9 is plural, and a plurality of stirrers 9 are spaced around the feed pipe. It is understood that, in order to improve the sealing performance, a sealing mechanism may be further disposed between the stirring shaft 92 and the sealing piston 3, which belongs to the prior art and is not described herein for brevity.

Referring again to fig. 1, in the present embodiment, the fermentation apparatus 100 for fodder further includes a lifter 11 and a loading and unloading hopper 13. The infeed end of the elevator 11 is located in the loading hopper 13 and the outfeed end of the elevator 11 is located directly above the guide channel 36. The structure of the elevator 11 is prior art, for example, a screw elevator in prior art can be used, and the details are not repeated herein for brevity.

When the fermentation device 100 for forage grass is fed, the anti-rotation pin on the winch 51 is drawn out, the winch 51 is rotated to lift the sealing piston 3 to a preset height, the preset height is about 0.5 meter above the height of the forage grass to be loaded, and the anti-rotation pin is inserted into the winch 51 to position the sealing piston 3 at the preset height; the discharge port 611 is then closed again by the discharge control valve 63. Since the seal piston 3 is heavy, before the capstan 51 is rotated, a weight 85 of an appropriate weight can be placed on the support plate 87, and a part of the weight of the seal piston 3 is offset by the weight 85, so that the capstan 51 can be operated more easily by an operator. Meanwhile, by providing the weight member 8 opposite to the capstan 51, the sliding of the seal piston 3 can be made more smooth.

The forage grass raw materials such as straws and the like are poured into the loading and unloading hopper 13 from the loading and unloading hopper (the fermenting agent can be uniformly mixed when the strains are required to be added), the feeding hole 31 is opened (figure 5), the stirrer 9 on the piston is opened, the forage grass raw materials in the loading and unloading hopper 13 are lifted by the lifter 11 and then fall into the guide groove 36, the forage grass raw materials are guided to the feeding hole 31 by the guide groove 36 and then enter the fermentation space 25 through the feeding hole 31, and the stirrer 9 drives the stirring paddle 93 to rotate so as to flatten the forage grass raw materials in the fermentation space 25.

After the forage grass is filled, the anti-rotation pin on the winch 51 is drawn out again, the winch 51 is rotated to put the sealing piston 3 down to compact the forage grass, the sealing piston 3 compresses the forage grass while stirring and flattening the forage grass by the stirrer 9, the sealing piston 3 is moved up and down for several times (usually 3-4 times, and other times can be set according to the situation), and the forage grass is compacted.

After the forage grass raw material is flattened, the stirrer 9 is closed, the feed inlet 31 is closed, and the sealing piston 3 continues to move up and down until the forage grass raw material is compacted. Finally, the sealing piston 3 is pressed completely against the forage material, at which time the air in the storage tank 2 is discharged out of the fermentation space 25 substantially through the one-way air valve 35. The weight of the sealing piston 2 is fully pressed against the forage material while maintaining the anti-rotation state of the withdrawal winch 51.

When taking materials, the container is placed below the discharge port 611, the discharge control valve 63 is opened, the turntable 612 and the spiral discharge auxiliary mechanism 6 are opened, and the fermented materials are gradually sent out from the storage tank 2 to the discharge port 611 and the discharge pipe 613 by the turntable 612 and the spiral discharge auxiliary mechanism 6. After the material is taken out, the discharge port 611 is closed.

After the forage grass fermentation device 100 is fed, the feed inlet 31 can be closed in time through the feed control valve 4, the sealing piston 3 can be driven to move through the lifting mechanism 5, so that the volume of the fermentation space 25 can be adjusted according to the forage grass raw material amount in the fermentation space 25, air in the fermentation space 25 can be discharged through the one-way air valve 35 arranged on the sealing piston 3, the storage tank 2 can be sealed in time after feeding or taking every time, and the forage grass raw material is prevented from being easily corrupted due to excessive air in the storage tank 2; meanwhile, when the fermenting device 100 for the forage grass takes the materials, the materials can be taken by opening the discharging control valve 63, and the discharging control valve 63 is closed after the materials are taken, so that the sealing step is simple and rapid, and the materials are convenient to take; the forage grass raw materials in the storage jar 2 can not be long-time, large tracts of land and air contact, avoid the oxidation corruption, need use in the short time after having solved current ensilage pond and opening the pond and getting the material and accomplish, otherwise will appear the problem that whole pond is rotten.

Because the forage grass raw materials such as straws and the like are in a long strip shape and have poor flowability, and the forage grass raw materials are difficult to automatically discharge from the discharge hole 611, the fermentation device 100 for forage grass is further provided with the discharge auxiliary mechanism 6, the forage grass raw materials such as straws and the like are pushed to the bottom of the storage tank 2 through the first axial spiral conveying piece 65 in the discharge auxiliary mechanism 6, and the fermented materials at the bottom of the storage tank 2 are automatically pushed out of the discharge pipe 613 through the matching of the rotary table 612, the radial spiral conveying piece 66 and the second axial spiral conveying piece 67 in the discharge auxiliary mechanism 6, so that the problem that the forage grass raw materials with poor flowability are difficult to discharge is solved, and the blockage caused by the bridging of the long strip-shaped forage grass in the storage tank 2.

In the fermentation device 100 for forage grass, the feed inlet 31 is arranged at the top of the fermentation space 25, the discharge pipe 613 is arranged at the bottom of the storage tank 2, the forage grass is fed from the top of the fermentation space 25 during feeding, and the forage grass is taken from the discharge pipe 613 at the bottom of the storage tank 2 during taking, so that the taken-out fermented material is the forage grass raw material with the longest fermentation time, the fermentation time of the forage grass raw material can be ensured, and the forage grass raw material can be prevented from being rotten due to overlong fermentation time; because it can ensure that the fermentation material that takes out is the raw materials that the fermentation time is the longest, consequently, when the fermentation, can be to continuous feeding in storage jar 2, it is more convenient to use.

The fermentation device 100 for forage grass further comprises a stirrer 9 which can rake forage grass entering the storage tank 2, so that the sealing piston 3 is more attached to the surface of the forage grass in the storage tank 2, the sealing piston 3 is favorable for compacting the forage grass raw material in the storage tank 2, and gas in the fermentation space 25 is further reduced.

Above-mentioned fermenting installation 100 for forage grass can be convenient for promote the forage grass raw materials through lifting machine 11 to make storage jar 2 can have great height, thereby be favorable to reducing fermenting installation 100's area. And the fermentation apparatus 100 has an advantage of being convenient to move compared to a conventional ensiling tank.

It is understood that the structure of the lifting mechanism 5 is not limited to this embodiment, and other lifting devices in the prior art may be adopted as long as the sealing piston 3 can be driven to move up and down.

The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.

Claims

1. A fermentation device (100) for fodder, comprising:

the top of the storage tank (2) is provided with a top opening (21), the bottom of the storage tank (2) is provided with a bottom opening (23), and the top opening (21) and the bottom opening (23) are both communicated with an inner cavity of the storage tank (2);

a sealing piston (3) which is slidably mounted in the storage tank (2) through a top opening (21) and encloses a fermentation space (25) together with the storage tank (2); the sealed piston (3) is provided with a feed inlet (31) and an exhaust hole (33) at intervals, the feed inlet (31) and the exhaust hole (33) are both communicated with the fermentation space (25), and the exhaust hole (33) is provided with a one-way air valve (35) for exhausting the air in the fermentation space (25);

the feeding control valve (4) is arranged on the sealing piston (3) and is used for controlling the on-off of the feeding hole (31);

the lifting mechanism (5) is connected with the sealing piston (3) to control the sealing piston (3) to slide along the height direction of the storage tank (2); and

the discharge auxiliary mechanism (6) comprises a rotary table (612), a discharge pipe (613), a discharge control valve (63) and a spiral conveying assembly (64), the rotary table (61) is rotatably arranged on the inner bottom wall of the storage tank (2), and a discharge hole (611) is formed in the rotary table (61) corresponding to the bottom opening (23) of the storage tank (2); the discharge pipe (613) is connected with the rotating disc (612) and communicated with the discharge hole (611), and the discharge pipe (613) is rotatably connected with the storage tank (2) and extends out of the storage tank (2) through the bottom opening (23); the discharge control valve (63) is arranged on the discharge pipe (613) and is used for controlling the on-off of the discharge pipe (613); the spiral conveying assembly (64) comprises a plurality of first axial spiral conveying pieces (65), a plurality of radial spiral conveying pieces (66) and a plurality of second axial spiral conveying pieces (67), the first axial spiral conveying pieces (65) are positioned above the rotary table (612) and are arranged on the inner side wall of the storage tank (2) at intervals along the circumferential direction of the storage tank (2), and the radial spiral conveying pieces (66) are arranged on the top surface of the rotary table (612) at intervals around the discharge hole (611); a plurality of second axial screw conveyors (67) are mounted on the inner wall of the tapping pipe (613) at intervals around the axial direction of the storage tank (2).

2. The fermentation device (100) for fodder according to claim 1, characterized in that the top surface of the sealing piston (3) is recessed with a guide groove (36), the guide groove (36) communicates with the feed opening (31), and the cross-sectional area of the guide groove (36) is gradually increased from the direction away from the feed opening (31).

3. The fermentation apparatus (100) for fodder according to claim 1, wherein the feed control valve (4) comprises a valve plate (41) and a valve driving member (42), the valve plate (41) is slidably connected to the sealing piston (3), the valve driving member (42) is installed in the sealing piston (3) and connected to the valve plate (41) to drive the valve plate (41) to move in a direction close to the feed opening (31) to close the feed opening (31) or in a direction away from the feed opening (31) to open the feed opening (31).

4. The fermenting apparatus (100) for fodder according to claim 1, characterized in that the lifting mechanism (5) comprises a winch (51), a roller (52) and a pull rope (53), the pull rope (53) being wound around the winch (51) and around the roller (52) and being connected to the sealing piston (3).

5. The fermentation device (100) for fodder according to claim 4, characterized in that the fermentation device (100) for fodder further comprises a weight (8), the weight (8) and the lifting mechanism (5) are respectively located on two opposite sides of the sealing piston (3), the weight (8) comprises a rope (81), a pulley block (83) and a counterweight (85), one end of the rope (81) is connected with one side of the sealing piston (3) facing away from the fermentation space (25), and the other end of the rope (81) is wound around the pulley block (83) and detachably connected with the counterweight (85).

6. The fermentation device (100) for the forage grass according to claim 1, wherein the fermentation device (100) for the forage grass further comprises a stirrer (9), the stirrer (9) comprises a stirring motor (91), a stirring shaft (92) and a stirring paddle (93), the stirring motor (91) is arranged in the sealing piston (3), one end of the stirring shaft (92) extends into the sealing piston (3) and is connected with the stirring motor (91), and the other end of the stirring shaft (92) is positioned in the fermentation space (25); the stirring paddle (93) is positioned in the fermentation space (25) and is connected with the stirring shaft (92), and the stirring paddle (93) is parallel to and in contact with the bottom surface of the sealing piston (3).

7. The fermentation apparatus (100) for fodder according to claim 1, wherein the first axial screw (65) comprises a first rotary shaft (651) and a first screw (653), the first rotary shaft (651) is rotatably connected to the inner side wall of the storage tank (2) and is parallel to the axial direction of the storage tank (2), the first screw (653) is installed on the outer wall of the first rotary shaft (651), and the first rotary shaft (651) can be forced to rotate and guide the fodder material in the storage tank (2) to the rotary table (612) through the first screw (653).

8. The fermenting installation (100) for fodder according to claim 1, characterised in that the rotary disk (61) comprises a rotary drive (614), the rotary drive (614) being connected to the discharge pipe (613) for driving the discharge pipe (613) and the rotary disk (61) in rotation; the discharging control valve (63) is positioned outside the storage tank (2).

9. The fermenting installation (100) for fodder according to claim 8, characterized in that the second axial conveying elements (67) are equal in number and correspond one to the radial conveying elements (66), one end of each second axial conveying element (67) being in driving connection with one end of the corresponding radial conveying element (66) by means of a transmission element (69); the radial spiral conveying piece (66) can guide the forage grass raw materials in the storage tank (2) to the discharge hole (611), and the second axial spiral conveying piece (67) can guide the forage grass raw materials at the discharge hole (611) out of the discharge pipe (613).

10. The fermenting apparatus (100) for fodder according to claim 2, characterized in that the fermenting apparatus (100) for fodder further comprises a hoist (11), the discharge end of the hoist (11) being located directly above the guide chute (36).