Scraper blade assembly and sludge discharge device for sewage treatment

Abstract

The utility model discloses a scraper blade assembly and a sludge discharge device for sewage treatment, which comprises a mounting rod, the bottom end of the mounting rod is provided with a scraper blade, the scraper blade is detachably connected with the mounting rod, the bottom end of the scraper blade is detachably connected with a wear-resistant scraping head, both ends of the mounting rod are provided with gears, the gears are connected with connecting rods, and the connecting rods are connected with the mounting rod. A tooth hole is formed in the bottom end of the connecting rod, the gear is sleeved with the tooth hole, and the inclination angle of the mounting rod is based on the inclination angle of the two ends, inserted into the connecting rod, of the mounting rod. The detachable mud scraping plate is arranged at the bottom of the mounting rod, the wear-resistant scraping head is arranged at the bottom of the mud scraping plate, and the wear-resistant scraping head and the mud scraping plate are detachable, so that only corresponding parts are convenient to replace after part of parts are damaged, the operation is simple and convenient, and the whole scraping plate assembly is flexible enough to use; meanwhile, the connecting rods are arranged at the two ends of the mounting rod, the inclination angle between the mounting rod and the connecting rods can be adjusted, and the scraper assembly can be conveniently installed by selecting a proper inclination angle.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a scraper assembly and a mud discharge device for sewage treatment. Background Art

[0002] During the sewage treatment process, sewage needs to be precipitated, which results in a large amount of silt being deposited at the bottom of the sewage sedimentation tank. The silt needs to be discharged in time, otherwise it will affect the normal use of the sedimentation tank. In order to facilitate the discharge of silt, a sludge scraper is often installed in the sedimentation tank, which guides the silt to the central sludge discharge hole of the sedimentation tank through the sludge scraper, so that the silt can be discharged from the sedimentation tank smoothly through the sludge discharge hole. Multiple groups of scraper assemblies are arranged at the bottom of the scraper, and each group of scraper assemblies includes multiple scraper assemblies arranged obliquely, and the sludge is gradually scraped to the central sludge discharge hole through each scraper assembly.

[0003] In the prior art, a Chinese utility model patent with patent number CN202022345350.5 discloses a scraper assembly for a sedimentation tank scraper, including a central axis and a scraper. The scraper includes a plurality of plates spliced ​​together. Two adjacent plates are provided with a card groove at one end that conflicts with each other. Card plates are inserted into the two card grooves, and the plates are connected to the card plates by fastening screws.

[0004] The scraper assembly provided by the above patent has the effect of increasing the application range of the scraper assembly, but this scraper assembly is not convenient for replacing corresponding components according to usage requirements, which makes it troublesome to replace some components of the scraper assembly after they are damaged; at the same time, the existing scraper assembly cannot choose a suitable inclination angle during installation, which is not conducive to the flexible use of the scraper assembly. Utility Model Content

[0005] The utility model aims to provide a scraper assembly and a mud discharge device for sewage treatment, aiming to improve the problem that the existing scraper assembly is not convenient for replacing corresponding parts according to usage requirements, and the existing scraper assembly cannot be installed at a suitable inclination angle, which is not conducive to the flexible use of the scraper assembly.

[0006] The utility model is achieved in this way:

[0007] According to one aspect of the utility model, the utility model provides a scraper assembly, including a mounting rod, a scraper plate is installed at the bottom end of the mounting rod, the scraper plate and the mounting rod are detachably connected, the bottom end of the scraper plate is detachably connected to a wear-resistant scraper head, gears are provided at both ends of the mounting rod, the gears are connected to a connecting rod, a tooth hole is provided at the bottom end of the connecting rod, the tooth hole is sleeved on the gear, and the inclination angle of the mounting rod is based on the inclination angle of the connecting rod inserted at both ends of the mounting rod.

[0008] Preferably, both front and rear ends of the bottom of the mounting rod are provided with slots, and the bottom of the mounting rod is provided with a plurality of bolt holes.

[0009] Preferably, clamping rods are symmetrically provided at the front and rear ends of the top of the scraper blade, the clamping rods are L-shaped, and the clamping rods are engaged in the inner side of the clamping groove, and the clamping rods are provided with through holes aligned with the bolt holes; the bottom end of the scraper blade is provided with a mounting opening, and the scraper blade is provided with a row of fixing holes aligned with the mounting opening.

[0010] Preferably, a fixing rod is provided at the top of the wear-resistant scraper head, and a mounting hole is provided at a position where the fixing rod is aligned with the fixing hole.

[0011] Preferably, a connecting port is provided at the top end of the connecting rod, and a connecting hole is provided at the top end of the connecting rod aligned with the connecting port.

[0012] Preferably, it also includes a limiting screw, thread grooves are provided at both ends of the mounting rod, the limiting screw is threadedly connected to the thread groove, and a pressure plate is provided at one end of the limiting screw facing outward, and a hexagonal screw head is provided at one end of the pressure plate facing the outer side.

[0013] According to another aspect of the utility model, the utility model provides a mud discharge device for sewage treatment, which has the scraper assembly.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. A detachable scraper is provided at the bottom of the mounting rod of the utility model, and a wear-resistant scraper head is provided at the bottom of the scraper. The wear-resistant scraper head and the scraper are detachable, which is convenient for replacing only the corresponding parts after some parts are damaged, and the operation is simple and convenient, so that the entire scraper assembly is flexible enough to use; at the same time, connecting rods are provided at both ends of the mounting rod, and the inclination angle between the mounting rod and the connecting rod can be adjusted, which is convenient for selecting a suitable inclination angle for installation when installing the scraper assembly.

[0016] 2. Both ends of the mounting rod of the utility model are provided with limit screws, through which the connecting rod can be pressed against the mounting rod, thereby ensuring that the connection between the connecting rod and the mounting rod is sufficiently stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the installation rod of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the utility model scraper;

[0020] Figure 4 It is a structural schematic diagram of the wear-resistant scraper head of the utility model;

[0021] Figure 5It is a structural schematic diagram of the connecting rod of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the limiting screw of the utility model.

[0023] In the figure: 1. Mounting rod; 11. Gear; 12. Threaded groove; 13. Clamping groove; 14. Bolt hole; 2. Scraper; 21. Clamping rod; 22. Through hole; 23. Mounting port; 24. Fixing hole; 3. Wear-resistant scraper head; 31. Fixing rod; 32. Mounting hole; 4. Connecting rod; 41. Tooth hole; 42. Connecting port; 43. Connecting hole; 5. Limiting screw; 51. Pressing plate; 52. Hexagonal screw head. DETAILED DESCRIPTION

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0026] Example 1

[0027] This embodiment provides a scraper assembly, such as Figure 1 , Figure 2 and Figure 5 As shown, it includes a mounting rod 1, a scraper 2 is mounted at the bottom of the mounting rod 1, and the scraper 2 and the mounting rod 1 are detachably connected. This structure is convenient for quickly replacing the scraper 2 when the scraper 2 is damaged. The bottom of the scraper 2 is detachably connected with a wear-resistant scraper head 3, which is convenient for scraping the sludge at the bottom of the sedimentation tank. At the same time, the wear-resistant scraper head 3 can increase the service life of the entire scraper 2 and prevent the scraper 2 from being easily damaged. Gears 11 are provided at both ends of the mounting rod 1, and the gear 11 is connected to a connecting rod 4. A tooth hole 41 is provided at the bottom of the connecting rod 4, and the tooth hole 41 is sleeved on the gear 11. The inclination angle of the mounting rod 1 is based on the inclination angle of the connecting rod 4 inserted at both ends of the mounting rod 1; this structure is convenient for the staff to select a suitable inclination angle for installation according to the use requirements when installing the scraper assembly, and the mutual limitation of the gear 11 and the tooth hole 41 also makes the inclination angle of the scraper assembly stable.

[0028] like Figure 2As shown, both front and rear ends of the bottom of the mounting rod 1 are provided with a card slot 13, which facilitates the mounting rod 1 and the scraper blade 2 to be stably mounted on the mounting rod 1. A plurality of bolt holes 14 are provided at the bottom of the mounting rod 1, which facilitate the mounting rod 1 to be connected to the scraper blade 2 by bolts.

[0029] like Figure 3 As shown, the scraper blade 2 is symmetrically provided with a clamping rod 21 at the front and rear ends of the top, and the clamping rod 21 is L-shaped, and the clamping rod 21 is clamped in the inner side of the clamping groove 13. This structure facilitates the scraper blade 2 to be smoothly clamped on the mounting rod 1. The clamping rod 21 is aligned with the bolt hole 14 and is provided with a through hole 22; the through hole 22 is convenient for connecting the scraper blade 2 to the mounting rod 1 through bolts. The bottom end of the scraper blade 2 is provided with a mounting opening 23, and the mounting opening 23 is convenient for installing the scraper blade 2. The scraper blade 2 is aligned with the mounting opening 23 and is provided with a row of fixing holes 24, and the fixing holes 24 are convenient for matching with bolts, so that the scraper blade 2 is conveniently connected to the wear-resistant scraper head 3.

[0030] like Figure 4 As shown, a fixing rod 31 is provided at the top of the wear-resistant scraper head 3, and a mounting hole 32 is provided at the position where the fixing rod 31 is aligned with the fixing hole 24; the fixing rod 31 is convenient for inserting into the inner side of the mounting opening 23, and the mounting hole 32 is convenient for bolts to pass through, thereby facilitating the disassembly, assembly and use of the wear-resistant scraper head 3 fixed by bolts.

[0031] like Figure 5 As shown, a connection port 42 is provided at the top of the connecting rod 4, and a connection hole 43 is provided at the top of the connecting rod 4 aligned with the connection port 42; the connection port 42 cooperates with the connection hole 43 to facilitate the connection between the connecting rod and the scraper arm of the mud scraper.

[0032] like Figure 6 As shown, it also includes a limit screw 5, and thread grooves 12 are provided at both ends of the mounting rod 1. The limit screw 5 is threadedly connected to the thread grooves 12. The limit screw 5 facilitates the stable installation of the connecting rod 4 on the mounting rod 1, ensuring that the connecting rod 4 is sufficiently stably connected to the mounting rod 1. A pressure plate 51 is provided at one end of the limit screw 5 facing outward, and the pressure plate 51 is convenient for pressing on the side of the connecting rod 4. A hexagonal screw head 52 is provided at one end of the pressure plate 51 facing the outer side, and the hexagonal screw head 52 is convenient for screwing the limit screw 5, so as to facilitate the disassembly and use of the limit screw 5.

[0033] Working principle: When in use, connect the scraper blade 2 and the mounting rod 1, and install the wear-resistant scraper head 3 on the bottom of the scraper blade 2 by bolts. Then, connect the mounting rod 1 to the connecting rod at a suitable inclination angle relative to the connecting rod according to the use requirements, and then connect the connecting rod to the scraper arm of the scraper. If some parts of the scraper assembly are damaged after long-term use, only the damaged parts need to be replaced, and the entire scraper assembly does not need to be replaced. Compared with the prior art, the present application has a detachable scraper blade 2 at the bottom of the mounting rod 1, and a wear-resistant scraper head 3 at the bottom of the scraper blade 2. The wear-resistant scraper head 3 and the scraper blade 2 are detachable, which is convenient for replacing only the corresponding parts after some parts are damaged, and the operation is simple and convenient, so that the entire scraper assembly is flexible enough to use; at the same time, connecting rods 4 are provided at both ends of the mounting rod 1, and the inclination angle between the mounting rod 1 and the connecting rod 4 can be adjusted, which is convenient for selecting a suitable inclination angle for installation when installing the scraper assembly.

[0034] Example 2

[0035] The present embodiment provides a sludge discharge device for sewage treatment, having the scraper assembly provided in Embodiment 1, the sludge discharge device comprising a main beam component, the main beam component being erected above the sedimentation tank, a driving device being provided in the middle of the main beam component, the output end of the driving device being connected to a flow stabilizing barrel and a transmission shaft, the bottom end of the transmission shaft being connected to a scraper arm, the scraper assembly being obliquely installed at the bottom of the scraper arm, and the bottom end of the scraper assembly being against the bottom surface of the sedimentation tank; then, driven by the driving device, the transmission shaft drives the scraper arm and the scraper assembly to rotate, and due to the inclined setting of the scraper assembly, the sludge at the bottom of the sedimentation tank will gradually move from the periphery to the position of the central sludge discharge hole of the sedimentation tank, so that the sludge inside the sedimentation tank will gradually be discharged from the central sludge discharge hole of the sedimentation tank.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A scraper assembly, comprising a mounting rod (1), characterized in that: A scraper blade (2) is mounted at the bottom end of the mounting rod (1), the scraper blade (2) and the mounting rod (1) are detachably connected, a wear-resistant scraper head (3) is detachably connected at the bottom end of the scraper blade (2), gears (11) are provided at both ends of the mounting rod (1), the gear (11) is connected to a connecting rod (4), a tooth hole (41) is provided at the bottom end of the connecting rod (4), the tooth hole (41) is sleeved on the gear (11), and the inclination angle of the mounting rod (1) is based on the inclination angle of the two ends of the mounting rod (1) inserted into the connecting rod (4).

2. A scraper assembly according to claim 1, characterized in that: The front and rear ends of the bottom of the mounting rod (1) are both provided with clamping grooves (13), and the bottom of the mounting rod (1) is provided with a plurality of bolt holes (14).

3. A scraper assembly according to claim 2, characterized in that: The top of the scraper blade (2) is symmetrically provided with clamping rods (21) at the front and rear ends, the clamping rod (21) is L-shaped, and the clamping rod (21) is clamped in the inner side of the clamping groove (13), and the clamping rod (21) is provided with a through hole (22) at a position aligned with the bolt hole (14); the bottom end of the scraper blade (2) is provided with a mounting opening (23), and the scraper blade (2) is provided with a row of fixing holes (24) at a position aligned with the mounting opening (23).

4. A scraper assembly according to claim 3, characterized in that: A fixing rod (31) is provided at the top end of the wear-resistant scraper head (3), and a mounting hole (32) is provided at a position of the fixing rod (31) aligned with the fixing hole (24).

5. A scraper assembly according to claim 1, characterized in that: The top end of the connecting rod (4) is provided with a connecting opening (42), and the top of the connecting rod (4) is provided with a connecting hole (43) at a position aligned with the connecting opening (42).

6. A scraper assembly according to any one of claims 1 to 5, characterized in that: It also comprises a limiting screw (5), thread grooves (12) are provided at both ends of the mounting rod (1), the limiting screw (5) is threadedly connected to the thread groove (12), and a pressure plate (51) is provided at one end of the limiting screw (5) facing outward, and a hexagonal screw head (52) is provided at one end of the pressure plate (51) facing the outer side.

7. A sludge discharge device for sewage treatment, characterized in that: A scraper assembly according to any one of claims 1 to 6.

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