Front feeding cantilever screw of biomass power generation furnace
By using the anti-clogging component of the cantilever screw for feeding the biomass power generator to rotate in the opposite direction to the screw shaft and exert shear force, combined with the precise meshing control of a vision camera and a laser displacement sensor, the problems of entanglement and blockage in the feeding system of the biomass power generator are solved, and the stable operation and efficient conveying of the equipment are achieved.
Patent Information
- Application Number
- CN202511688346.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-18
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2045-11-18
AI Technical Summary
The feeding system before the biomass power plant furnace is prone to entanglement and blockage when conveying soft yellow straw materials, which can lead to unstable boiler combustion or even boiler shutdown.
It adopts a cantilevered screw feeder for biomass power generation furnace, including a drive unit and a feeding unit. It utilizes a rotating anti-clogging component that rotates in opposite directions on the same axis as the screw shaft to generate shearing force. Combined with a vision camera and a laser displacement sensor, it precisely controls gear meshing to prevent tooth collision. It supports two operating modes to adapt to different materials, and the cutter is detachable to adapt to various biomass loads.
It effectively breaks up soft straw blockage, reduces the blockage rate, improves equipment reliability, reduces noise, supports stable conveying of different materials, and shortens maintenance time.
Smart Images

Figure CN121139996A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application mainly relates to the technical field of biomass power generation equipment, and particularly relates to a biomass power generation furnace front feeding cantilever screw. BACKGROUND
[0002] With the transformation of global energy structure to clean energy, biomass power generation, as an environmentally friendly power generation method using agricultural waste (such as straw and rice husk), has an increasing proportion in China's energy system year by year. The furnace front feeding system is one of the core links of biomass power generation, and its operation stability directly determines the power generation efficiency. If the feeding is interrupted or the output fluctuates, it will lead to unstable boiler combustion and even cause a boiler shutdown accident.
[0003] The current biomass feeding system has a problem of entanglement in conveying soft yellow straw materials. Such materials are light and soft in texture, high in fiber content, and poor in flowability. In the feeding process, the materials are prone to form "bridges" and "arches" due to fiber entanglement. The materials accumulate into an arch shape at the feeding port, and the lower passage is blocked. Especially when the straw cutting length is uneven, the entanglement problem is more serious. SUMMARY
[0004] 1. Technical problem to be solved by the application: The biomass power generation furnace front feeding cantilever screw provided by the present application solves the technical problems in the background art.
[0005] 2. Technical scheme: To achieve the above-mentioned purpose, the technical scheme provided by the present application is as follows: a biomass power generation furnace front feeding cantilever screw, comprising a driving part and a feeding part. The driving part comprises a speed reducer, a driving shaft, a driving gear, a linkage gear, a driven gear, a rotating lifting disc, a driving piece, a positioning support, a driving part shell and a visual sensing assembly. The driving gear, the linkage gear and the driven gear are connected to each other. The driving piece comprises a cylinder, a U-shaped sleeve and a limiting seat. The U-shaped sleeve is connected to the telescopic end of the cylinder and is sleeved on the side edge of the rotating lifting disc. The visual sensing assembly comprises a visual camera and a laser displacement sensor arranged on the inner wall of the driving part shell. The feeding part comprises a screw shaft, a feeding part shell and a rotating anti-blocking assembly. One end of the screw shaft is coaxially connected to the driving shaft through a shaft coupling. The screw shaft and the rotating anti-blocking assembly are located in the feeding part shell. The rotating anti-blocking assembly is connected to the rotating lifting disc and located outside the screw shaft. The rotating anti-blocking assembly comprises a positioning framework and a plurality of cutters. The plurality of cutters are detachably connected to the positioning framework.
[0006] Further, the driving shaft is connected with the speed reducer motor and the spiral shaft at two ends respectively, the driving gear is axially fixedly connected with the driving shaft, and the positioning bracket is sleeved on the driving shaft.
[0007] Further, the driven gear is arranged in mirror image with the driving gear, and one end of the driven gear is fixedly connected with the rotary lifting disc.
[0008] Further, the linkage gear is arranged on the side of the driven gear and the driving gear, and the driven gear and the driving gear are meshingly connected with the linkage gear.
[0009] Further, the positioning bracket has an extension end fixedly connected with the inner wall of the driving part shell, and the linkage gear is rotatably connected with the positioning bracket through a bearing.
[0010] Further, the rotary lifting disc is embedded with a plurality of rolling balls on one side, the rolling balls are arranged in a ring shape, the rolling balls are matched with the corresponding end faces of the U-shaped clamping sleeve, and the U-shaped clamping sleeve is rollingly connected with the rotary lifting disc through the rolling balls.
[0011] Further, the positioning skeleton is in a circular arc shape, and one end of the positioning skeleton is fixedly connected with the rotary lifting disc.
[0012] Further, the visual camera is arranged at the front end and the rear end in the driving part shell respectively, and the laser displacement sensor is arranged at the upper end in the driving part shell.
[0013] 3. Beneficial effects: Compared with the prior art, the technical scheme provided by the present application has the following beneficial effects: The rotation of the anti-blocking assembly and the spiral shaft in the same shaft and in the opposite direction forms a shearing force, which improves the breaking efficiency of soft straw blockage, greatly reduces the blockage rate, and combines the visual camera and the laser displacement sensor to accurately control the gear meshing precision, avoids gear collision, and significantly improves the reliability of the equipment operation. Supports two operation modes to adapt to different materials, the cutter is detachable, shortens the maintenance time, the structure is stable and can withstand various biomass loads, the operation noise is low, and the practicability and environmental protection are considered.
[0014] It should be noted that the structures not introduced in the present application do not involve the design points and improvement direction of the present application, and are the same as or can be realized by using the prior art, and will not be described here. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the present application. Figure 2Another overall structure schematic view of the present application; Figure 3 Overall structure cross-sectional schematic view of the present application; Figure 4 Local structure enlarged schematic view of the present application; Figure 5 Another local structure schematic view of the present application.
[0016] Reference signs: 1, reduction motor; 2, drive shaft; 3, driving gear; 4, linkage gear; 5, driven gear; 6, rotating lifting disc; 7, air cylinder; 8, U-shaped clamping sleeve; 9, limiting seat; 10, positioning support; 11, drive part housing; 12, screw shaft; 13, feeding part housing; 14, rotating anti-blocking assembly; 1401, positioning framework; 1402, cutter; 15, ball; 16, visual camera; 17, laser displacement sensor. DETAILED DESCRIPTION
[0017] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, in which several embodiments of the present application are given. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present application is more thorough and comprehensive.
[0018] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0019] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0020] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing", "providing", "providing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0021] Referring to the drawings Figures 1-5 The biomass power generation furnace front feeding cantilever screw comprises a driving part and a feeding part. The driving part comprises a speed reducer motor 1, a driving shaft 2, a driving gear 3, a linkage gear 4, a driven gear 5, a rotating lifting disc 6, a driving piece, a positioning support 10, a driving part shell 11 and a visual sensing assembly, the driving gear 3, the linkage gear 4 and the driven gear 5 are connected with each other in meshing connection, the driving piece comprises a pneumatic cylinder 7, a U-shaped clamping sleeve 8 and a limiting seat 9, the U-shaped clamping sleeve 8 is connected with the telescopic end of the pneumatic cylinder 7 and is sleeved at the side edge of the rotating lifting disc 6, and the visual sensing assembly comprises a visual camera 16 and a laser displacement sensor 17 arranged on the inner wall of the driving part shell 11. The feeding part comprises a screw shaft 12, a feeding part shell 13 and a rotating anti-blocking assembly 14, one end of the screw shaft 12 is coaxially connected with the driving shaft 2 through a shaft coupling, and the screw shaft 12 and the rotating anti-blocking assembly 14 are located in the feeding part shell 13; the rotating anti-blocking assembly 14 is connected with the rotating lifting disc 6 and located outside the screw shaft 12, and the rotating anti-blocking assembly 14 comprises a positioning framework 1401 and a plurality of cutter groups 1402, and the plurality of cutter groups 1402 are detachably connected with the positioning framework 1401.
[0022] The speed reducer motor 1 is fixed on the outer side end face of the driving part shell 11, the output shaft thereof is coaxially fixedly connected with one end of the driving shaft 2 through a rigid shaft coupling, the speed reducer motor 1 is selected to be of a planetary gear reduction type, has a speed reduction and torque increasing function, can adapt to the low speed and high torque requirement of biomass material conveying, and prevents the screw shaft 12 from stopping due to excessive load.
[0023] The driving gear 3 is circumferentially positioned by a flat key and axially fixed by the left side of the shaft shoulder on the driving shaft 2 and the right side of the locking nut, so as to prevent the driving gear 3 from moving axially when the driving shaft 2 rotates at high speed, the modulus and the number of teeth of the driving gear 3 are consistent with those of the driven gear 5, and the rotating power of the driving shaft 2 is transmitted to the linkage gear 4.
[0024] The positioning support 10 is a U-shaped steel structure, the center hole of which is sleeved outside the driving shaft 2 and leaves a certain gap with the driving shaft 2 to avoid rotation interference, one side of the positioning support 10 is provided with an outwardly vertically extending flat plate-shaped extension end which is threadedly connected with the inner wall of the driving part shell 11 through a bolt; the linkage gear 4 is rotatably connected with the positioning support 10 through a deep groove ball bearing, which can ensure flexible rotation of the linkage gear 4 in the power transmission process without jamming phenomenon, the linkage gear 4 is fixed and supported by the positioning support 10 to ensure that it is always in the meshing position between the driving gear 3 and the driven gear 5, avoiding the gear offset caused by the gear hitting or disengaging.
[0025] The driven gear 5 is mirror-symmetrically arranged with the driving gear 3, one side end face of the driven gear 5 is coaxially fixed with the rotating lifting disc 6 through a bolt, the rotating lifting disc 6 is an annular disc structure, the inner hole of which is clearance-fitted with the driving shaft 2 to allow the rotating lifting disc 6 to freely move along the axial direction of the driving shaft 2 and to be synchronously rotated with the driven gear 5, the driven gear 5 is coaxially and oppositely rotated with the driving gear 3 through the meshing with the linkage gear 4, the driven gear 5 transmits power to the rotating lifting disc 6 after rotation, and then drives the coaxial and opposite rotation of the rotating anti-blocking assembly 14 and the spiral shaft 12, realizing the rotating cutting of the rotating anti-blocking assembly 14 and forming a shearing force on the entangled material at the inlet to avoid the problem of following rotation without dispersion caused by the synchronous rotation of the material with the spiral shaft 12.
[0026] The cylinder 7 is fixed on the limiting seat 9 inside the driving part shell 11, and the telescopic end thereof is threadedly connected with the outer side end face of the horizontal plate of the U-shaped sleeve 8 after penetrating through the limiting seat 9.
[0027] The U-shaped sleeve 8 is composed of two parallel clamping plates and a horizontal plate connecting the clamping plates, the spacing between the clamping plates is adapted to the thickness of the rotating lifting disc 6, and the inner side end face of the clamping plate leaves a 0.2mm gap with the side edge of the rotating lifting disc 6 to avoid rotation interference, an annular ball groove is formed in the side end face of the rotating lifting disc 6 away from the driven gear 5, and a plurality of balls 15 are embedded in the groove, part of the balls 15 are exposed from the groove and in contact with and embedded in the inner side end face of the clamping plate of the U-shaped sleeve 8, so that the U-shaped sleeve 8 and the rotating lifting disc 6 form a rolling connection, which neither affects the rotation of the rotating lifting disc 6 nor enables the rotating lifting disc 6 to move along the axial direction of the driving shaft 2 through the extension of the cylinder 7, greatly reducing the moving friction resistance.
[0028] The limiting seat 9 is an annular cylindrical structure fixed on the inner wall of the driving part shell 11, and the U-shaped sleeve 8 and the rotating lifting disc 6 are located in the limiting seat 9, which is used to limit the movement path of the U-shaped sleeve 8 and ensure that the rotating lifting disc 6 only moves along the axial direction of the driving shaft 2 to avoid offsetting to cause the meshing misalignment of the driven gear 5 and the linkage gear 4.
[0029] The visual camera 16 is an industrial high-definition camera, which is fixed at the front and rear ends inside the driving part shell 11 through a support respectively, and the lens faces the meshing area of the driven gear 5 and the linkage gear 4, so that the tooth surface contact state of the two gears can be captured in real time, and high-definition image signals are output to the control system to identify the tooth surface alignment before the gear meshing. If it is detected that the tooth surfaces are not aligned, for example, the addendum is opposite to the addendum, a feedback signal is fed back to the control system to adjust the rotating speed of the driving shaft 2 to avoid the occurrence of gear collision during meshing.
[0030] The laser displacement sensor 17 is fixed at the upper end inside the driving part shell 11, and the emitting end is vertically downward aligned with the tooth surface of the driven gear 5 to detect the axial position and the rotating angle of the driven gear 5 in real time. When the rotating lifting disc 6 moves, the distance between the driven gear 5 and the linkage gear 4 is fed back. When the distance is reduced to a preset value before meshing, the control cylinder 7 stops the extension and retraction to ensure the precise meshing of the two gears.
[0031] The spiral shaft 12 adopts a seamless steel pipe welded spiral blade, and the blade pitch is adapted to the conveying efficiency of the biomass material. The spiral shaft 12 is coaxially connected with the driving shaft 2 through an elastic coupling. The inside of the feeding part shell 13 is a cylindrical barrel. One end is connected with the flange of the driving part shell 11 through an opening, and the other end is connected with the feeding pipe of the power generation furnace. The inner wall leaves a gap with the blade of the spiral shaft 12 and the outer edge of the rotating anti-blocking assembly 14 to avoid material jamming. The upper end of the shell is provided with a feeding port.
[0032] The rotating anti-blocking assembly 14 includes a positioning framework 1401 and a plurality of cutters 1402. The positioning framework 1401 is made of stainless steel plate and is bent into a quarter of a circular arc shape, which is adapted to the curvature of the inner wall of the feeding part shell 13. One end of the positioning framework 1401 is fixed to the edge of the end surface of the rotating lifting disc 6 through a bolt, and the other end extends to cover the feeding port area below the feeding port of the feeding part shell 13. The positioning framework 1401 provides installation support for the cutters 1402. The inner side of the positioning framework 1401 leaves a gap with the outer edge of the spiral shaft 12 to avoid interference with the spiral shaft 12.
[0033] The cutting edge of the cutter 1402 faces the feeding port. A plurality of cutters 1402 are evenly distributed along the length direction of the positioning framework 1401. The cutter 1402 is detachably connected with the outer arc surface of the positioning framework 1401 through a bolt. The extension length of the cutter 1402 can be adjusted to adapt to the cutting needs of different materials, so that the biomass material entangled at the feeding port can be cut during rotation, such as the fiber entanglement of soft yellow straw, and the material group of scattered bridge and arch can be cut to ensure that the material falls smoothly to the spiral shaft 12.
[0034] The specific implementation manner of the technical solution is as follows: Embodiment one
[0035] The edge cutting and feeding conveying is suitable for processing materials with soft texture and serious fiber entanglement, such as soft yellow straw with water content of more than 30%. Such materials are easy to form continuous entanglement at the feeding port, and need to be cut in real time to ensure smooth feeding. The operation process is as follows: After the control system is started, the state of each component is detected by the visual camera 16 and the laser displacement sensor 17, and it is confirmed that the driven gear 5 and the linkage gear 4 are in a separated state, the rotation anti-blocking assembly 14 is stopped outside the feeding port, and the spiral shaft 12 is not jammed. The operator sets the edge cutting and feeding instruction through the control system, the extension end of the air cylinder 7 is extended, the U-shaped sleeve 8 is pushed to move to the right side along the limiting seat 9, and the rotating lifting disc 6 is driven to move axially along the drive shaft 2. During the movement, the laser displacement sensor 17 feeds back the position of the driven gear 5 in real time. When the distance between the driven gear 5 and the linkage gear 4 is detected to be reduced, the visual camera 16 takes pictures of the gear surface. If the gear surface is aligned with the tooth valley and the tooth top, the control system drives the air cylinder 7 to continue to extend, so that the two gears are completely engaged. If the gear surface is not aligned, the control system drives the reduction motor 1 to rotate at a low speed to adjust the angle of the linkage gear 4 driven by the driving gear 3, until the gear surface is aligned and then the engagement is completed. After the gear is engaged, the reduction motor 1 is started, the drive shaft 2 drives the spiral shaft 12 to rotate, and the spiral blade transports the material falling from the feeding port to the power generation furnace. At the same time, the driving gear 3 drives the driven gear 5 to rotate in the opposite direction through the linkage gear 4, and the rotating lifting disc 6 drives the rotating anti-blocking assembly 14 to rotate in the opposite direction coaxially with the spiral shaft 12, so that the cutter 1402 continuously cuts the material entangled at the feeding port. The dispersed material directly falls between the blades of the spiral shaft 12, realizing the synchronous operation of cutting and conveying. During operation, the visual camera 16 continuously monitors the gear engagement state. If the gear disengagement is detected, such as the driven gear being offset due to material impact, a feedback signal is immediately fed back. The air cylinder 7 quickly pushes the rotating lifting disc 6 to compensate, ensuring stable engagement, and the laser displacement sensor 17 monitors the axial position of the rotating lifting disc 6 to avoid displacement deviation due to vibration. Embodiment two
[0036] Only when the material is blocked, the cutting is started to adapt to low entanglement materials. It is suitable for processing materials with good flowability and occasional blocking, such as dry corn straw with water content of less than 15%. Such materials do not need to be cut during normal conveying, and only the anti-blocking assembly is started when the feeding port appears to be bridged and arched, which can reduce energy consumption and cutter wear. The operation process is as follows: After the control system is started, the extension end of the air cylinder 7 is in the retracted state, driving the rotating lifting disc 6 to move away from the linkage gear 4, so that the driven gear 5 and the linkage gear 4 are completely separated. The rotating anti-blocking assembly 14 is positioned by the laser displacement sensor 17 and is stationary in the non-feeding area of the feeding part shell 13, avoiding blocking the material falling. When the geared motor 1 starts, the drive shaft 2 drives the screw shaft 12 to rotate. The material falls from the feed port of the feed section housing 13 and is conveyed to the power generation furnace by the screw blades. During the process, the pressure sensor configured at the feed port of the feed section housing 13 detects the material pressure at the feed port in real time. If the pressure is lower than the threshold, it is determined that there is no blockage and the rotating anti-blockage component 14 remains stationary. When material blockage occurs at the feed inlet, such as when material bridging causes accumulation, the pressure sensor detects that the pressure is higher than the threshold and immediately sends a blockage signal to the control system. After receiving the signal, the control system first reduces the speed of the reduction motor 1 to reduce the continuous accumulation of material. Then, the cylinder 7 extends and pushes the rotating lifting plate 6 to make the driven gear 5 mesh with the linkage gear 4. The meshing control logic is the same as in the first implementation method. After the rotating anti-blockage component 14 is started, it rotates in the opposite direction to the spiral shaft 12. The reverse rotation can break up the blockage clump during the cutting process until the pressure sensor detects a pressure drop and confirms that the blockage is eliminated. Compared with the same direction rotation, the reverse rotation can shorten the blockage breaking time and prevent the material from being compacted by the spiral shaft 12, forming a more difficult blockage to handle. After the blockage is cleared, the control system issues a reset command, controlling the geared motor 1 to rotate at low speed, so that the rotating anti-blocking component 14 rotates back to the standby position on the side of the feed inlet. Then the geared motor 1 returns to the working speed, and the screw shaft 12 continues to feed normally.
[0037] In summary, this device is horizontally arranged and consists of two main modules: a drive unit and a feeding unit. The two modules are connected coaxially by the drive shaft 2 and the screw shaft 12 to transmit power. The drive unit provides the feeding unit with material conveying power and anti-clogging cutting power. The feeding unit is responsible for the stable conveying of biomass materials. The entire device is encapsulated in the shell structure and is suitable for feeding scenarios in front of biomass power generation furnaces. It can achieve anti-clogging conveying for materials with different characteristics such as soft yellow straw and corn straw.
[0038] The above-described embodiments are merely illustrative of certain implementations of the present invention, and are described in a relatively specific and detailed manner. However, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements are all within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.
Claims
1. A cantilevered screw conveyor for feeding a biomass power plant, characterized in that: Includes a drive unit and a feeding unit; The drive unit includes a geared motor (1), a drive shaft (2), a drive gear (3), a linkage gear (4), a driven gear (5), a rotary lifting plate (6), a drive component, a positioning bracket (10), a drive unit housing (11), and a vision sensing component. The drive gear (3), the linkage gear (4), and the driven gear (5) are meshed with each other. The drive component includes a cylinder (7), a U-shaped sleeve (8), and a limiting seat (9). The U-shaped sleeve (8) is connected to the telescopic end of the cylinder (7) and is sleeved on the side edge of the rotary lifting plate (6). The vision sensing component includes a vision camera (16) and a laser displacement sensor (17) disposed on the inner wall of the drive unit housing (11). The feeding section includes a spiral shaft (12), a feeding section housing (13), and a rotation anti-blocking component (14). One end of the spiral shaft (12) is coaxially connected to the drive shaft (2) via a coupling. Both the spiral shaft (12) and the rotation anti-blocking component (14) are located inside the feeding section housing (13). The rotating anti-blocking component (14) is connected to the rotating lifting plate (6) and located outside the spiral shaft (12). The rotating anti-blocking component (14) includes a positioning frame (1401) and multiple sets of cutters (1402). The multiple sets of cutters (1402) are detachably connected to the positioning frame (1401).
2. The cantilevered screw feeder for biomass power generation furnace according to claim 1, characterized in that: The two ends of the drive shaft (2) are connected to the geared motor (1) and the helical shaft (12) respectively. The drive gear (3) is axially fixed to the drive shaft (2). The positioning bracket (10) is sleeved on the drive shaft (2).
3. The cantilevered screw feeder for biomass power generation furnace according to claim 1, characterized in that: The driven gear (5) is mirrored with the driving gear (3), and one end of the driven gear (5) is fixedly connected to the rotating lifting plate (6).
4. The cantilevered screw feeder for biomass power generation furnace according to claim 1, characterized in that: The linkage gear (4) is located beside the driven gear (5) and the driving gear (3), and the driven gear (5) and the driving gear (3) are both meshed with the linkage gear (4).
5. The cantilevered screw feeder for biomass power generation furnace according to claim 1, characterized in that: The positioning bracket (10) has an extension end, which is fixedly connected to the inner wall of the drive housing (11), and the linkage gear (4) is rotatably connected to the positioning bracket (10) through a bearing.
6. The cantilevered screw feeder for biomass power generation furnace according to claim 1, characterized in that: A plurality of balls (15) are embedded on one side of the rotating lifting plate (6). The balls (15) are arranged in a ring. The balls (15) cooperate with the end faces of the U-shaped sleeve (8). The U-shaped sleeve (8) is connected to the rotating lifting plate (6) by rolling through the balls (15).
7. The cantilevered screw feeder for biomass power generation furnace according to claim 1, characterized in that: The positioning frame (1401) is arc-shaped, and one end of the positioning frame (1401) is fixedly connected to the rotating lifting plate (6).
8. The cantilevered screw conveyor for feeding biomass power generation furnace according to claim 1, characterized in that: The vision camera (16) is located at the front and rear ends of the drive housing (11), and the laser displacement sensor (17) is located at the upper end of the drive housing (11).
Citation Information
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