CN215480888U - Supporting and lubricating structure for material conveying mechanism of biogas reaction tank - Google Patents
Supporting and lubricating structure for material conveying mechanism of biogas reaction tank Download PDFInfo
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- CN215480888U CN215480888U CN202121718003.0U CN202121718003U CN215480888U CN 215480888 U CN215480888 U CN 215480888U CN 202121718003 U CN202121718003 U CN 202121718003U CN 215480888 U CN215480888 U CN 215480888U
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Abstract
The invention discloses a supporting and lubricating structure for a material conveying mechanism of a biogas reaction tank, which relates to the field of biogas production and comprises a supporting shell which is obliquely arranged, wherein a connecting shaft penetrates through the central axis of the supporting shell; a fixed cylinder surrounding the connecting shaft is arranged in the supporting shell; the two ends of the fixed cylinder are provided with fixed flanges, and the fixed flanges are hermetically connected with the connecting shaft through oil seals; a bushing which is fixed around the connecting shaft is arranged in a gap area between the fixed cylinder and the connecting shaft, and the connecting shaft is axially and radially supported on the fixed cylinder through a tapered roller bearing at two ends of the bushing; two oil injection ports which are respectively positioned above the two tapered roller bearings are arranged by penetrating the fixed cylinder; an oil filling port is arranged at the oil filling port; the oil filling interfaces are communicated with a straight-through type pressure filling oil cup arranged outside the supporting shell through oil filling copper pipes. The invention solves the supporting problem of the connecting shaft for transmitting the starting force in the technical scheme of transmitting materials by adopting the inclined transmission screw.
Description
Technical Field
The invention relates to the field of biogas production, in particular to a supporting and lubricating structure for a material conveying mechanism of a biogas reaction tank.
Background
In a traditional biogas production system, a tank body for anaerobic reaction is generally a cylinder, materials, strains and the like are directly poured into the tank body through an opening at the top for mixed reaction in the reaction process, and the materials, the strains and the like are discharged through an opening at the bottom after three stages of anaerobic reaction. The strains in the three reaction stages of the anaerobic reaction have different requirements on the reaction temperature, and the strains can be inhibited mutually after being mixed, so the mixed reaction mode of the reaction tank has low efficiency.
The other novel feeding mode is that a feeding port is arranged at one end of the biogas reaction tank for feeding, so that materials are conveyed in the biogas reaction tank, and different reaction environments can be adopted at different stages of conveying. The feeding efficiency of this feeding form is not as high as that of the direct feeding from the top. Therefore, how to design the material conveying mechanism to ensure that the feeding efficiency is high enough and solve a series of technical problems in the design process becomes a problem which needs to be solved urgently.
Disclosure of Invention
The invention aims to provide a supporting and lubricating structure for a material conveying mechanism of a biogas reaction tank, and aims to solve the supporting problem of a connecting shaft for starting force transmission in the technical scheme of conveying materials by adopting an inclined conveying screw rod.
In order to achieve the purpose, the invention adopts the following technical scheme:
a supporting and lubricating structure for a material conveying mechanism of a biogas reaction tank comprises a hollow cylindrical supporting shell which is obliquely arranged, wherein the supporting shell comprises a bottom circular plate, a top circular plate and a side wall plate; the center of the bottom circular plate is provided with a shaft inlet, and the center of the top circular plate is provided with a shaft outlet; the connecting shaft penetrates through the shaft inlet and then penetrates out of the shaft outlet;
a fixed cylinder surrounding the connecting shaft is also arranged in the support shell, and the outer side wall of the fixed cylinder is fixed on the inner wall of the support shell through a support rod; the two ends of the fixed cylinder are provided with fixed flanges, and the fixed flanges are hermetically connected with the connecting shaft through oil seals;
a gap area is reserved between the fixed cylinder and the connecting shaft, a bushing fixed around the connecting shaft is arranged in the middle of the gap area, and the connecting shaft is axially and radially supported on the fixed cylinder through a tapered roller bearing at two ends of the bushing;
oil injection ports penetrate through the middle part of the side wall of the fixed cylinder and the top of the side wall of the fixed cylinder; an oil filling port is arranged at the oil filling port; the oil injection interface positioned above is higher than the tapered roller bearing positioned above; the lower oiling interface is higher than the lower tapered roller bearing;
each oil filling interface is communicated with a straight-through type pressure filling oil cup arranged outside the support shell through an oil filling copper pipe.
The support shell is provided with a maintenance opening.
The tapered roller bearing comprises a roller bearing inner ring fixed on the connecting shaft through a bolt and a fastening nut, and a roller bearing outer ring fixed on the inner side surface of the fixed cylinder, wherein the roller bearing outer ring and the roller bearing inner ring are in rolling connection through a roller.
One surface of the roller bearing outer ring facing the connecting shaft is a first inclined surface, and one surface of the roller bearing inner ring facing the roller bearing outer ring is a second inclined surface parallel to the first inclined surface; the first inclined surface is inclined toward the bush toward a normal line of the connecting shaft.
The straight-through type pressure injection oil cup is fixed on the outer surface of the supporting shell through a bracket.
Compared with the prior art, the invention has the advantages that the problems of fixing and supporting the connecting shaft when the transmission screw rod is in an inclined state are solved, the supporting and lubricating structure can fix the connecting shaft in the axial direction and the radial direction simultaneously, and the lubricating effect is good by guiding lubricating oil by utilizing gravity.
Drawings
FIG. 1 is a side cross-sectional view of a mechanism for use with the present invention;
FIG. 2 is a side view of a mechanism for use with the present invention;
FIG. 3 is a perspective view of a mechanism for use with the present invention;
FIG. 4 is an enlarged view of circle A in FIG. 1;
FIG. 5 is an enlarged view of circle B of FIG. 1, also illustrating the support and lubrication structure of the present invention;
fig. 6 is a top view of a mechanism for use with the present invention.
In the figure, 1, a lower cylindrical shell, 2, an upper cylindrical shell, 3, a first flange, 4, a feeding surrounding wall, 5, a conveying screw rod, 6, a supporting leg, 7, a motor, 8, a speed reducer, 9, a supporting and lubricating structure, 10, a second flange, 11, a connecting shaft, 12, a supporting shell, 13, a fixing cylinder, 14, a bushing, 15, a supporting rod, 16, a maintenance opening, 17, a fixing flange, 18, an oil seal, 19, a roller bearing inner ring, 20, a roller bearing outer ring, 21, a roller, 22, an oil filling interface, 23, a straight-through type pressure filling oil cup, 24, a fastening nut, 25, a supporting shaft seat, 26, a supporting bearing, 27, a sealing cover, 28, a framework oil seal, 29 and an enlarged opening.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 6, the material conveying mechanism of the suspension type biogas reaction tank of the invention comprises a cylindrical shell and a conveying screw 5 arranged in the cylindrical shell; the cylindrical shell comprises an upper cylindrical shell 2 and a lower cylindrical shell 1, and the upper cylindrical shell 2 is detachably connected with the lower cylindrical shell 1 through a first flange 3;
the cylindrical shell is obliquely arranged and is supported on the platform through support legs 6; the bottom of the lower cylindrical shell 1 is opened and extends into a feed inlet of the biogas reaction tank;
the top of the upper cylindrical shell 2 is connected to a supporting and lubricating structure 9 through a second flange 10, a connecting shaft 11 extends from the top end of the conveying screw 5, and the connecting shaft 11 penetrates through the second flange 10 and then is axially and radially supported on the supporting and lubricating structure 9; a speed reducer 8 and a motor 7 are arranged above the supporting and lubricating structure 9, and the connecting shaft 11 is in power connection with the motor 7 through the speed reducer 8;
the upper side surface of the upper cylindrical shell 2 is provided with a feeding opening, and a feeding surrounding wall 4 is vertically arranged on the feeding opening;
a supporting bearing 26 is arranged at the center of an opening at the bottom of the lower cylindrical shell 1, and the supporting bearing 26 is erected on the inner side wall of the bottom of the lower cylindrical shell 1 through a hollow supporting shaft seat 25; the lower end of the transfer screw 5 is rotatably supported in the support bearing 26;
a space is reserved between the cylindrical shell and the blades of the conveying screw 5;
the lower surface of the opening at the bottom of the lower cylindrical shell 1 is also provided with an enlarged opening 29.
A limiting rod extending inwards in the radial direction is arranged on the side wall of the inner top of the upper cylindrical shell 2; the top of the conveying screw 5 is provided with a limiting piece which extends outwards along the radial direction; the limiting piece is limited above the limiting rod.
The supporting and lubricating structure 9 comprises a hollow cylindrical supporting shell 12, and the supporting shell 12 comprises a bottom circular plate, a top circular plate and a side wall plate; the bottom circular plate is connected to the second flange 10; the center of the bottom circular plate is provided with a shaft inlet, and the center of the top circular plate is provided with a shaft outlet; the connecting shaft 11 penetrates through the shaft inlet and then penetrates out of the shaft outlet;
a fixed cylinder 13 surrounding the connecting shaft 11 is also arranged in the supporting shell 12, and the outer side wall of the fixed cylinder 13 is fixed on the inner wall of the supporting shell 12 through a supporting rod 15; the two ends of the fixed cylinder 13 are both provided with fixed flanges 17, and the fixed flanges 17 are hermetically connected with the connecting shaft 11 through oil seals 18;
a gap area is reserved between the fixed cylinder 13 and the connecting shaft 11, a bushing 14 fixed on the connecting shaft 11 in a surrounding mode is arranged in the middle of the gap area, and the connecting shaft 11 is axially and radially supported on the fixed cylinder 13 at two ends of the bushing 14 through tapered roller bearings;
oil injection ports penetrate through the middle part of the side wall of the fixed cylinder 13 and the top of the side wall of the fixed cylinder 13; an oil filling port 22 is arranged at the oil filling port; the oil filling interface 22 positioned above is higher than the tapered roller bearing positioned above; the lower oil filling interface 22 is higher than the lower tapered roller bearing;
each oil filling connector 22 is communicated with a straight-through type pressure filling oil cup 23 arranged outside the support shell 12 through an oil filling copper pipe.
The support housing 12 defines a service opening 16.
The tapered roller bearing comprises a roller bearing inner ring 19 fixed on the connecting shaft 11 through bolts and fastening nuts 24, and a roller bearing outer ring 20 fixed on the inner side surface of the fixed cylinder 13, wherein the roller bearing outer ring 20 and the roller bearing inner ring 19 are in rolling connection through rollers 21.
One surface of the roller bearing outer ring 20 facing the connecting shaft 11 is a first inclined surface, and one surface of the roller bearing inner ring 19 facing the roller bearing outer ring 20 is a second inclined surface parallel to the first inclined surface; the first inclined surface is inclined toward the bush 14 toward the normal line of the connecting shaft 11.
The straight-through type pressure filling oil cup 23 is fixed on the outer surface of the supporting shell 12 through a bracket.
The support bearing 26 is a deep groove ball bearing; both ends of the deep groove ball bearing are provided with a framework oil seal 28 and a sealing cover 27.
When the material conveying mechanism of the suspended methane reaction tank is used, the material conveying mechanism of the suspended methane reaction tank is fixed on a platform through the supporting legs 6 (steps matched with the height of the supporting legs 6 can be arranged on the platform), the cylindrical shell is obliquely placed, and the bottom of the cylindrical shell extends into a feeding hole of the methane reaction tank. The motor 7 is turned on, the materials are poured into the feeding opening through the feeding enclosing wall 4, the connecting shaft 11 can be driven through the motor 7 and the speed reducer 8, the conveying screw 5 is further driven to rotate, and the conveying screw 5 can drive the materials to advance towards the feeding opening of the biogas reaction tank until the materials are input into the feeding opening; in the transfer process, because the conveying screw 5 inclines to be placed, the material can also get into the pan feeding mouth more smoothly faster through the action of gravity, but also because the mode of inclining to be placed, if do not make safeguard measure, conveying screw 5 produces the friction damage to the tube-shape shell easily, consequently sets up support bearing 26 in conveying screw 5 bottom and is used for supporting conveying screw 5, and conveying screw 5 and tube-shape shell will leave the clearance to the drive screw can not rub the tube-shape shell. In addition, the cooperation of the limiting sheet and the limiting rod can prevent the conveying screw 5 from falling off. The stopper rod may be in a form of penetrating the cylindrical housing and being fixed with a fastener, and thus may be in a detachable form. The arranged enlarged opening 29 can enable the caliber of material output to be larger, and the material conveying efficiency is accelerated.
When the supporting and lubricating structure 9 is used, the supporting and lubricating structure is used for supporting and lubricating the connecting shaft 11, and the connecting shaft 11 and the bush 14 are mutually fixed in the using process. The bush 14 is disposed between two roller bearing inner rings 19, the two roller bearing inner rings 19 are also fixed to the connecting shaft 11 (the roller bearing inner rings 19 may also be directly fixed to the bush 14), and the roller bearing outer rings 20 and the rollers 21 exert axial and radial forces on the roller bearing inner rings 19, so that the connecting shaft 11 is fixed in both axial and radial directions. The two straight-through pressure filling oil cups 23 are filled with oil, so that the tapered roller bearing located above and the tapered roller bearing located below can be filled with lubricating oil respectively. The oil seals 18 provided at both ends can prevent the outflow of the injected oil. The interior defective components can be repaired or replaced through the repair opening 16.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. A supporting and lubricating structure for a material conveying mechanism of a biogas reaction tank is characterized by comprising a hollow cylindrical supporting shell (12) which is obliquely arranged, wherein the supporting shell (12) comprises a bottom circular plate, a top circular plate and a side wall plate; the center of the bottom circular plate is provided with a shaft inlet, and the center of the top circular plate is provided with a shaft outlet; the connecting shaft (11) penetrates through the shaft inlet and then penetrates out of the shaft outlet;
a fixed cylinder (13) surrounding the connecting shaft (11) is further arranged in the supporting shell (12), and the outer side wall of the fixed cylinder (13) is fixed on the inner wall of the supporting shell (12) through a supporting rod (15); fixing flanges (17) are arranged at two ends of the fixing cylinder (13), and the fixing flanges (17) are connected with the connecting shaft (11) in a sealing mode through oil seals (18);
a gap area is reserved between the fixed cylinder (13) and the connecting shaft (11), a bushing (14) which is fixed on the connecting shaft (11) in a surrounding mode is arranged in the middle of the gap area, and the connecting shaft (11) is axially and radially supported on the fixed cylinder (13) through tapered roller bearings at two ends of the bushing (14);
oil injection ports penetrate through the middle part of the side wall of the fixed cylinder (13) and the top of the side wall of the fixed cylinder (13); an oil filling port (22) is arranged at the oil filling port; the oil filling interface (22) positioned above is higher than the tapered roller bearing positioned above; the lower oil filling interface (22) is higher than the lower tapered roller bearing;
each oil filling connector (22) is communicated with a straight-through type pressure filling oil cup (23) arranged outside the support shell (12) through an oil filling copper pipe.
2. The supporting and lubricating structure for the material conveying mechanism of the biogas reaction tank as recited in claim 1, characterized in that the supporting shell (12) is provided with a maintenance opening (16).
3. The supporting and lubricating structure for the material conveying mechanism of the biogas reaction tank is characterized in that the tapered roller bearing comprises a roller bearing inner ring (19) fixed on the connecting shaft (11) through a bolt and a fastening nut (24), and a roller bearing outer ring (20) fixed on the inner side surface of the fixed cylinder (13), wherein the roller bearing outer ring (20) is in rolling connection with the roller bearing inner ring (19) through a roller (21).
4. The supporting and lubricating structure for the material conveying mechanism of the biogas reaction tank is characterized in that one surface of the roller bearing outer ring (20) facing the connecting shaft (11) is a first inclined surface, and one surface of the roller bearing inner ring (19) facing the roller bearing outer ring (20) is a second inclined surface parallel to the first inclined surface; the first inclined surface is inclined toward the bush (14) toward a normal line of the connecting shaft (11).
5. The supporting and lubricating structure for the material conveying mechanism of the biogas reaction tank as recited in claim 1, wherein the straight-through type pressure injection oil cup (23) is fixed on the outer surface of the supporting shell (12) through a bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121718003.0U CN215480888U (en) | 2021-07-27 | 2021-07-27 | Supporting and lubricating structure for material conveying mechanism of biogas reaction tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121718003.0U CN215480888U (en) | 2021-07-27 | 2021-07-27 | Supporting and lubricating structure for material conveying mechanism of biogas reaction tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215480888U true CN215480888U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121718003.0U Active CN215480888U (en) | 2021-07-27 | 2021-07-27 | Supporting and lubricating structure for material conveying mechanism of biogas reaction tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215480888U (en) |
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2021
- 2021-07-27 CN CN202121718003.0U patent/CN215480888U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20230525 Address after: Room 211, 2nd Floor, 101, 2nd Floor, Building 2, No. 1 Courtyard, Jiaodao West Street, Doudian Town, Fangshan District, Beijing, 102400 Patentee after: BIO New Energy Technology Co.,Ltd. Address before: Room 603, building e, No. 666, shengxia Road, Pudong New Area, Shanghai 201203 Patentee before: Bio energy (Shanghai) Co.,Ltd. |