Flat-bottom automatic silt removing device
By designing an automated flat-bottom sludge removal device, which utilizes a combination of chains and scrapers, the efficient and automatic removal of sludge from the bottom of environmental protection equipment is achieved, solving the problem of low cleaning efficiency in existing technologies.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO TIANQIN AUTOMATION EQUIP CO LTD
- Filing Date
- 2025-05-23
- Publication Date
- 2026-05-08
AI Technical Summary
Existing environmental protection equipment has low efficiency in sludge removal, relies on manual operation, and is time-consuming and labor-intensive.
Design an automatic sludge removal device with a flat bottom, including a hopper, a chain, a drive assembly, and a hollow shell. The chain drives a scraper to scrape the sludge into the hopper, and the scraper scrapes the sludge off to the outlet. The device is equipped with perforated holes and a support assembly to achieve automated sludge removal.
It improves the efficiency of sludge removal, reduces the time and labor required for manual operation, and realizes automated sludge cleaning.
Smart Images

Figure CN224213408U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of flat-bottomed dredging devices, and more specifically, to an automatic dredging device for flat-bottomed silt. Background Technology
[0002] Currently, in the dust removal (exhaust gas) treatment process of environmental protection equipment on the market, dust or material particles will settle in the water tank of the environmental protection equipment and form sludge. The water tank is generally long and requires solid-liquid separation of the sludge formed by settling. At present, the cleaning of sludge at the bottom of the water tank or environmental protection equipment has to be done manually, which has the disadvantages of low sludge cleaning efficiency and time and labor. Utility Model Content
[0003] The technical problem to be solved by this utility model is to provide an automatic sludge removal device with a flat bottom, which can remove sludge that has settled at the bottom of the water tank or the bottom of environmental protection equipment, and has the advantage of high sludge removal efficiency.
[0004] This utility model provides an automatic sludge removal device with a flat bottom, including a hopper, a chain, a drive assembly, and a hollow shell. The left side of the shell forms a horizontal section, and the right side of the shell forms an inclined section that gradually slopes upward from left to right. A support assembly is connected to the bottom of the inclined section, and perforations are provided on the top and / or front and rear side walls of the horizontal section. The chain is located inside the shell, and its two ends are rotatably connected to the two ends of the shell. Several scraper blades are fixed on the outer peripheral wall of the chain at intervals. The hopper is vertically fixed to the right end of the shell, and its inner cavity is connected to the inner cavity of the shell. The lower end of the hopper forms a sludge outlet, and a shaving plate is connected to the inner side of the hopper. The drive assembly is connected to one side of the right end of the shell, and the chain is connected to the drive assembly for transmission. The drive assembly is used to drive the chain to rotate so that the scraper blades continuously scrape the sludge located at the bottom of the shell into the hopper, and the shaving plate is used to scrape the sludge located on the scraper blades to the sludge outlet.
[0005] By adopting the above-mentioned structure, the horizontal section of the shell can be placed into a water tank or connected to the water tank or to environmental protection equipment. When the present invention is in operation, it can remove the sludge that has settled at the bottom of the water tank or the bottom of the environmental protection equipment. At the same time, after setting hollow holes on both sides of the horizontal section of the shell, the settled sludge located on both sides of the shell can be swept into the shell, thereby improving the removal efficiency of the sludge settled at the bottom of the water tank and overcoming the disadvantages of time-consuming and labor-intensive manual removal of sludge.
[0006] In one possible implementation, the support assembly includes two columns arranged symmetrically front to back, with the upper ends of both columns fixed to the outer bottom of the inclined section, and a leveling bolt threaded to the lower end of each column. With this structure, the support assembly can reliably support the inclined section of the shell under the action of the columns and the leveling bolt, thus ensuring the stability of the shell. In addition, when the leveling bolt rotates relative to the columns, it can level the shell.
[0007] In one possible implementation, the automatic sludge removal device for flat-bottomed sludge further includes a driven shaft, a driven sprocket, a drive shaft, and a drive sprocket; both ends of the driven shaft are rotatably connected to the inner wall of the left end of the housing via a bearing assembly; the driven sprocket is coaxially sleeved and fixed to the outside of the driven shaft; the left end of the chain is sleeved on and meshes with the driven sprocket; one end of the drive shaft is drive-connected to the drive assembly, and the other end of the drive shaft is rotatably connected to the housing; the drive sprocket is coaxially sleeved and fixed to the outside of the drive shaft; the right end of the chain is sleeved on... The chain meshes with the drive sprocket. With this structure, the left end of the chain can be reliably rotatably connected to the left end of the housing under the cooperation of the driven shaft, driven sprocket and bearing assembly. Under the action of the drive shaft and drive sprocket, the chain can be reliably rotatably connected to the right end of the housing and realize the transmission connection with the drive assembly. When the drive assembly drives the drive shaft to rotate, the drive shaft can drive the chain to rotate through the drive sprocket, so that the chain drives several scrapers to rotate around the chain.
[0008] In one possible implementation, the drive assembly includes a speed reducer and a motor; the speed reducer is connected to one side of the housing, the motor is fixed to the speed reducer, the input end of the speed reducer is driven to the output shaft of the motor, and one end of the drive shaft is driven to the output end of the speed reducer; by using this drive assembly, when the output shaft of the motor rotates, the motor can drive the speed reducer, at which time the speed reducer can drive the drive shaft to rotate, and when the drive shaft rotates, the drive shaft can drive the chain to rotate via the drive sprocket, so that the chain drives several scraper blades to rotate around the chain.
[0009] In one possible implementation, a chain tensioning assembly is provided on the housing; the chain tensioning assembly is connected to the housing and used to adjust the chain tension; the chain tensioning assembly includes a support frame, a movable block, a screw, an adjusting nut, a connecting frame, and an adjusting bolt; a reducer is movably connected to one side of the housing, the connecting frame is fixed to the reducer, a support plate is fixed to one side of the housing, and the screw portion of the adjusting bolt movably passes through the support plate and is threadedly connected to the connecting frame; the support frame is fixed to the other side of the housing, the movable block is movably connected to the inner side of the support frame, one end of the screw movably passes through one end of the support frame and is fixed to the movable block, the adjusting nut is threadedly connected to the screw and abuts against the outer side of one end of the support frame, and the other end of the drive shaft passes through the movable block. It is rotatably connected to the moving block; when the adjusting bolt and adjusting nut are turned, the connecting frame and the moving block drive the reducer, drive shaft and drive sprocket to move along the extension direction of the chain to adjust the chain tension; through the setting of the chain tensioning component, the chain tensioning component can realize the adjustment of the chain tension to adjust the chain tension to a suitable state; and by using the above chain tensioning component, when the adjusting bolt and adjusting nut are turned, the adjusting bolt can drive the connecting frame to move relative to the housing, and the adjusting nut can drive the moving block to move relative to the support frame and housing via the screw. At this time, the connecting frame and the moving block can drive the reducer, drive shaft and drive sprocket to move along the extension direction of the chain to adjust the chain tension.
[0010] In one possible implementation, a partition is fixed inside the housing, extending along the extension direction of the housing, and located between the upper and lower sides of the chain; the partition is used to support the upper side of the chain; through the arrangement of the partition, the partition can achieve the supporting function of the upper side of the chain, so that the upper and lower sides of the chain are separated from each other and do not affect each other, and the partition can guide the upper side of the chain, so that the upper side of the chain moves along the trajectory of the partition, thereby improving the reliability of the chain rotation.
[0011] In one possible implementation, a grid hole is provided on the partition plate located in the horizontal section; by providing a grid hole on the partition plate located in the horizontal section, the sludge above the partition plate can fall to the inner bottom of the shell, so as to avoid the sludge accumulating on the partition plate.
[0012] In one possible implementation, an adjustment structure is provided between the shaving plate and the hopper. This adjustment structure is used to adjust the gap between the shaving plate and the scraper. The adjustment structure includes two symmetrically positioned adjusting arms and two symmetrically positioned locking bolts. The two adjusting arms are located on the front and rear sides of the shaving plate, respectively, with one end fixed to the front and rear sides of the upper end of the shaving plate. Support blocks are provided on the inner walls of both the front and rear sides of the hopper. The middle portions of the two adjusting arms are each supported on one of these support blocks. Elongated holes are provided on both the front and rear sides of the hopper. The screws of the two locking bolts pass through the corresponding elongated holes and are threaded onto the other ends of the adjusting arms. The gap between the shaving plate and the hopper is adjusted accordingly. After the adjustment structure is set between them, it can adjust the gap between the shaving plate and the scraper plate to make the gap between them appropriate so that the shaving plate can scrape the mud off the scraper plate. Moreover, with the above adjustment structure, when the locking bolt is loosened and the threaded part of the locking bolt moves along the extension direction of the elongated hole, the adjusting arm can drive the shaving plate to move under the action of the adjusting arm, so as to easily adjust the gap between the shaving plate and the scraper plate. After the position of the shaving plate is adjusted, the locking bolt is tightened again to secure the adjusting arm and the housing. At this time, the position of the shaving plate is also locked.
[0013] In one possible implementation, an inspection port is provided on the side of the hopper away from the shell, and an inspection cover for closing the inspection port is fixed at the inspection port; by providing an inspection port, when the inspection cover is removed from the hopper, maintenance personnel can easily inspect the shaving plate and other components located inside the hopper through the inspection port; after the inspection is completed, the inspection cover can be re-fixed to the hopper located at the inspection port.
[0014] In one possible implementation, the top and / or front and rear side walls of the horizontal section form flange inlets, and a drain valve is installed on the side wall of the horizontal section. With this structure, the flange inlets can be connected to a water tank or dust removal equipment under the action of the flange inlets, thereby facilitating the discharge of sludge from the water tank or dust removal equipment. In addition, by setting a drain valve on the side wall of the horizontal section, the discharge of wastewater from the water tank or dust removal equipment is facilitated when the drain valve is opened. Attached Figure Description
[0015] Figure 1 This is a first three-dimensional structural schematic diagram of the present invention when the technical solution of Embodiment 1 is adopted;
[0016] Figure 2 for Figure 1 A magnified structural diagram of point A in the middle;
[0017] Figure 3This is a second three-dimensional structural diagram of the present invention when the technical solution of Embodiment 1 is adopted;
[0018] Figure 4 for Figure 3 A magnified structural diagram of point B in the middle;
[0019] Figure 5 This is a cross-sectional structural diagram of the present invention when the technical solution of Embodiment 1 is adopted;
[0020] Figure 6 This is a three-dimensional structural diagram of the present invention after removing part of the shell when the technical solution of Embodiment 1 is adopted.
[0021] Figure 7 This is a three-dimensional structural diagram of the present invention when the technical solution of Embodiment 2 is adopted. Detailed Implementation
[0022] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of this application and are not intended to limit the scope of protection of the embodiments of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.
[0023] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.
[0024] In the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0025] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0026] Example 1
[0027] See Figure 1-6As shown in the embodiment of this application, an automatic sludge removal device for flat bottoms is disclosed, including a hopper 1, a chain 2, a drive assembly 3, and a hollow shell 4; the left side of the shell 4 forms a horizontal section 41, and the right side of the shell 4 forms an inclined section 42 that gradually slopes upward from left to right. A support assembly 43 is connected to the bottom of the inclined section 42, and perforations 411 are provided on the top and / or front and rear side walls of the horizontal section 41; the chain 2 is disposed inside the shell 4, and the two ends of the chain 2 are rotatably connected to the two ends of the shell 4, respectively. The outer peripheral wall of the chain 2 is fixed There are several scraper blades 5 arranged at intervals; the hopper 1 is vertically fixed on the right end of the housing 4 and the inner cavity of the hopper 1 is connected to the inner cavity of the housing 4. The lower end of the hopper 1 forms a mud outlet 11. The inner side of the hopper 1 is connected to a shaving plate 6; the drive assembly 3 is connected to one side of the right end of the housing 4. The chain 2 is connected to the drive assembly 3 for transmission. The drive assembly 3 is used to drive the chain 2 to rotate so that the several scraper blades 5 continuously scrape the sludge located at the bottom of the housing 4 into the hopper 1. The shaving plate 6 is used to scrape the sludge located on the scraper blades 5 down to the mud outlet 11.
[0028] The support assembly 43 includes two columns 431 arranged symmetrically front to back. The upper ends of both columns 431 are fixed to the outer bottom of the inclined section 42, and the lower end of each column 431 is threaded with a leveling bolt 432. With this structure, the support assembly can reliably support the inclined section of the shell under the action of the columns and the leveling bolts, so as to ensure the stability of the shell. In addition, when the leveling bolts rotate relative to the columns, the shell can be leveled.
[0029] The automatic sludge removal device for flat-bottomed sludge also includes a driven shaft 21, a driven sprocket 22, a drive shaft 23, and a drive sprocket 24. Both ends of the driven shaft 21 are rotatably connected to the inner wall of the left end of the housing 4 via a bearing assembly 25. The driven sprocket 22 is coaxially sleeved and fixed to the outside of the driven shaft 21. The left end of the chain 2 is sleeved on and meshes with the driven sprocket 22. One end of the drive shaft 23 is connected to the drive assembly 3, and the other end of the drive shaft 23 is rotatably connected to the housing 4. The drive sprocket 24 is coaxially sleeved and fixed to the outside of the drive shaft 23. The right end of chain 2 is sleeved on and meshes with the drive sprocket 24. With this structure, the left end of the chain can be reliably rotatably connected to the left end of the housing under the cooperation of the driven shaft, driven sprocket and bearing assembly. Under the action of the drive shaft and drive sprocket, the chain can be reliably rotatably connected to the right end of the housing and realize the transmission connection with the drive assembly. When the drive assembly drives the drive shaft to rotate, the drive shaft can drive the chain to rotate through the drive sprocket, so that the chain drives several scrapers to rotate around the chain.
[0030] The drive assembly includes a reducer 71 and a motor 72. The reducer 71 is connected to one side of the housing 4, and the motor 72 is fixed to the reducer 71. The input end of the reducer 71 is connected to the output shaft of the motor 72, and one end of the drive shaft 23 is connected to the output end of the reducer 71. With this drive assembly, when the output shaft of the motor rotates, the motor can drive the reducer. At this time, the reducer can drive the drive shaft to rotate. When the drive shaft rotates, the drive shaft can drive the chain to rotate via the drive sprocket, so that the chain drives several scrapers to rotate around the chain.
[0031] A chain tensioning assembly is provided on the housing 4; the chain tensioning assembly is connected to the housing 4 and is used to adjust the tension of the chain 2; the chain tensioning assembly includes a support frame 81, a moving block 82, a screw 83, an adjusting nut 84, a connecting frame 85, and an adjusting bolt 86; a reducer 71 is movably connected to one side of the housing 4, the connecting frame 85 is fixed to the reducer 71, a support plate 44 is fixed to one side of the housing 4, and the screw portion of the adjusting bolt 86 moves through the support plate 44 and is threadedly connected to the connecting frame 85; the support frame 81 is fixed to the other side of the housing 4, the moving block 82 is movably connected to the inner side of the support frame 81, one end of the screw 83 moves through one end of the support frame 81 and is fixed to the moving block 82, the adjusting nut 84 is threadedly connected to the screw 83 and abuts against the outer side of one end of the support frame 81, and the drive shaft 23... The other end is inserted into the movable block 82 and rotatably connected to the movable block 82; when the adjusting bolt 86 and the adjusting nut 84 are tightened, the connecting frame 85 and the movable block 82 are used to drive the reducer 71, the drive shaft 23 and the drive sprocket 24 to move along the extension direction of the chain 2 to adjust the tension of the chain 2; through the setting of the chain tensioning component, the chain tensioning component can realize the adjustment of the chain tension to adjust the chain tension to a suitable state; and by using the above chain tensioning component, when the adjusting bolt and the adjusting nut are tightened, the adjusting bolt can drive the connecting frame to move relative to the housing, and the adjusting nut can drive the movable block to move relative to the support frame and the housing via the screw. At this time, the connecting frame and the movable block can drive the reducer, the drive shaft and the drive sprocket to move along the extension direction of the chain to adjust the chain tension.
[0032] A partition 45 is fixed inside the housing 4. The partition 45 extends along the extension direction of the housing 4 and is located between the upper side and the lower side of the chain 2. The partition 45 is used to support the upper side of the chain 2. Through the setting of the partition, the partition can support the upper side of the chain so that the upper side and the lower side of the chain are separated from each other and do not affect each other. The partition can also guide the upper side of the chain so that the upper side of the chain moves along the trajectory of the partition, thereby improving the reliability of the chain rotation.
[0033] A grid hole 451 is provided on the partition plate 45 located at the horizontal section 41; by providing a grid hole on the partition plate located at the horizontal section, the sludge above the partition plate can fall to the inner bottom of the shell, so as to avoid the sludge accumulating on the partition plate.
[0034] An adjustment structure is provided between the shaving plate 6 and the hopper 1. The adjustment structure is used to adjust the gap between the shaving plate 6 and the scraper plate 5. The adjustment structure includes two front-to-back symmetrical adjustment arms 91 and two front-to-back symmetrical locking bolts 92. The two adjustment arms 91 are located on the front and back sides of the shaving plate 6, respectively. One end of the two adjustment arms 91 is fixed to the front and back sides of the upper end of the shaving plate 6, respectively. Support blocks 12 are provided on the inner walls of the front and back sides of the hopper 1. The middle part of the two adjustment arms 91 is supported on one of the support blocks 12. Elongated holes 13 are provided on the front and back sides of the hopper 1. The screws of the two locking bolts 92 are moved through the elongated holes 13 on the corresponding sides and then threadedly fastened to the other end of the adjustment arm 91. By setting an adjustment structure between the shaving plate and the hopper, the adjustment structure can adjust the gap between the shaving plate and the scraper to a suitable state, so that the shaving plate can scrape the sludge off the scraper. Furthermore, with the above adjustment structure, when the locking bolt is loosened and the threaded part of the locking bolt moves along the extension direction of the elongated hole, the adjusting arm can move the shaving plate under the action of the adjusting arm, thus easily adjusting the gap between the shaving plate and the scraper. After the position of the shaving plate is adjusted, the locking bolt is tightened again to secure the adjusting arm and the housing, at which point the position of the shaving plate is locked.
[0035] A maintenance port 14 is provided on the side of the hopper 1 away from the shell 4, and a maintenance cover 15 is fixed at the maintenance port 14 for closing the maintenance port 14. With the maintenance port, when the maintenance cover is removed from the hopper, maintenance personnel can easily inspect the shaving plate and other components located inside the hopper through the maintenance port. After the inspection is completed, the maintenance cover can be fixed back to the hopper at the location of the maintenance port.
[0036] Example 2
[0037] See Figure 7 As shown, unlike Embodiment 1, in this embodiment, no perforation is provided on the horizontal section of the shell, and the top and / or front and rear side walls of the horizontal section 41 form a flange inlet 46, and a drain valve 47 is installed on the side wall of the horizontal section 41. With this structure, under the action of the flange inlet, the flange inlet can be connected to the water tank or dust removal equipment, thereby facilitating the discharge of sludge from the water tank or dust removal equipment. In addition, by providing a drain valve on the side wall of the horizontal section, it is convenient to discharge sewage from the water tank or dust removal equipment when the drain valve is opened.
[0038] When using this invention, the horizontal section of the shell is placed at the bottom of the water tank or the bottom of the environmental protection equipment. At this time, the sludge at the bottom of the water tank or the environmental protection equipment can enter the inner bottom of the horizontal section of the shell through the perforated holes. When this invention is working, the drive component can drive the chain to rotate. When the chain rotates, the chain can drive several scraper blades to rotate around the circumference of the chain. At this time, the scraper blades can continuously scrape the sludge at the bottom of the horizontal section into the hopper. Then the scraper blades can scrape the sludge on the scraper blades to the mud outlet, that is, the sludge can be discharged from the mud outlet of the hopper.
[0039] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. An automatic sludge removal device for flat-bottomed silt, characterized in that: The device includes a hopper (1), a chain (2), a drive assembly (3), and a hollow shell (4); the left side of the shell (4) forms a horizontal section (41), and the right side of the shell (4) forms an inclined section (42) that gradually slopes upward from left to right. A support assembly (43) is connected to the bottom of the inclined section (42), and perforations (411) are provided on the top and / or front and rear side walls of the horizontal section (41); the chain (2) is located inside the shell (4), and the two ends of the chain (2) are rotatably connected to the two ends of the shell (4), respectively. Several scraper blades (5) are fixed on the outer peripheral wall of the chain (2) at intervals. The hopper (1) is vertically fixed on the right end of the housing (4) and the inner cavity of the hopper (1) is connected to the inner cavity of the housing (4). The lower end of the hopper (1) forms a mud outlet (11). A mud scraper (6) is connected to the inner side of the hopper (1). The drive assembly (3) is connected to one side of the right end of the housing (4). The chain (2) is connected to the drive assembly (3) for transmission. The drive assembly (3) is used to drive the chain (2) to rotate so that several mud scrapers (5) continuously scrape the sludge located at the bottom of the housing (4) into the hopper (1). The mud scraper (6) is used to scrape the sludge located on the mud scraper (5) down to the mud outlet (11).
2. The automatic sludge removal device for flat-bottomed silt as described in claim 1, characterized in that: The support assembly (43) includes two columns (431) arranged symmetrically front to back. The upper ends of the two columns (431) are fixed to the outer bottom of the inclined section (42), and the lower end of each column (431) is threaded with a leveling bolt (432).
3. The automatic sludge removal device for flat-bottomed silt according to claim 1, characterized in that: The flat-bottomed silt automatic dredging device also includes a driven shaft (21), a driven sprocket (22), a drive shaft (23), and a drive sprocket (24). Both ends of the driven shaft (21) are rotatably connected to the inner wall of the left end of the housing (4) through a bearing assembly (25). The driven sprocket (22) is coaxially sleeved and fixed to the outside of the driven shaft (21). The left end of the chain (2) is sleeved on the driven sprocket (22) and meshes with it. One end of the drive shaft (23) is connected to the drive assembly (3) for transmission. The other end of the drive shaft (23) is rotatably connected to the housing (4). The drive sprocket (24) is coaxially sleeved and fixed to the outside of the drive shaft (23). The right end of the chain (2) is sleeved on the drive sprocket (24) and meshes with it.
4. The automatic sludge removal device for flat-bottomed silt according to claim 3, characterized in that: The drive assembly includes a speed reducer (71) and a motor (72); the speed reducer (71) is connected to one side of the housing (4), the motor (72) is fixed on the speed reducer (71), the input end of the speed reducer (71) is connected to the output shaft of the motor (72), and one end of the drive shaft (23) is connected to the output end of the speed reducer (71).
5. The automatic sludge removal device for flat-bottomed silt according to claim 4, characterized in that: A chain tensioning assembly is provided on the housing (4); the chain tensioning assembly is connected to the housing (4) and is used to adjust the tension of the chain (2); the chain tensioning assembly includes a support frame (81), a moving block (82), a screw (83), an adjusting nut (84), a connecting frame (85), and an adjusting bolt (86); the reducer (71) is movably connected to one side of the housing (4), the connecting frame (85) is fixed to the reducer (71), a support plate (44) is fixed to one side of the housing (4), and the screw part of the adjusting bolt (86) moves through the support plate (44) and is threadedly connected to the connecting frame (85); the support frame (81) is fixed to the other side of the housing (4). On one side, the movable block (82) is movably connected to the inner side of the support frame (81). One end of the screw (83) passes through one end of the support frame (81) and is fixed to the movable block (82). The adjusting nut (84) is threaded onto the screw (83) and abuts against the outer side of one end of the support frame (81). The other end of the drive shaft (23) passes through the movable block (82) and is rotatably connected to the movable block (82). When the adjusting bolt (86) and the adjusting nut (84) are turned, the connecting frame (85) and the movable block (82) are used to drive the reducer (71), the drive shaft (23) and the drive sprocket (24) to move along the extension direction of the chain (2) to adjust the tension of the chain (2).
6. The automatic sludge removal device for flat-bottomed silt according to any one of claims 1-5, characterized in that: A partition (45) is fixed inside the housing (4). The partition (45) extends along the extension direction of the housing (4) and is located between the upper side and the lower side of the chain (2). The partition (45) is used to support the upper side of the chain (2).
7. The automatic sludge removal device for flat-bottomed silt according to claim 6, characterized in that: A grid hole (451) is provided on the partition (45) located at the horizontal section (41).
8. The automatic sludge removal device for flat-bottomed silt according to any one of claims 1-5 or 7, characterized in that: An adjustment structure is provided between the shaving plate (6) and the hopper (1). The adjustment structure is used to adjust the gap between the shaving plate (6) and the scraper plate (5). The adjustment structure includes two front-to-back symmetrical adjustment arms (91) and two front-to-back symmetrical locking bolts (92). The two adjustment arms (91) are located on the front and back sides of the shaving plate (6). One end of the two adjustment arms (91) is fixed to the front and back sides of the upper end of the shaving plate (6). Support blocks (12) are provided on the inner walls of the front and back sides of the hopper (1). The middle part of the two adjustment arms (91) is supported on one of the support blocks (12). The front and back sides of the hopper (1) are provided with elongated holes (13). The screws of the two locking bolts (92) pass through the elongated holes (13) on the corresponding sides and are threaded to the other end of the adjustment arm (91).
9. The automatic sludge removal device for flat-bottomed silt according to any one of claims 1-5 or 7, characterized in that: The hopper (1) is provided with an inspection port (14) on the side away from the shell (4), and an inspection cover (15) for closing the inspection port (14) is fixed at the inspection port (14).
10. The automatic sludge removal device for flat-bottomed silt according to any one of claims 1-5 or 7, characterized in that: The top and / or front and rear side walls of the horizontal section (41) form a flange inlet (46), and a drain valve (47) is installed on the side wall of the horizontal section (41).