Nonmetal chain type slag scraping device

By introducing a tension adjustment mechanism and a limit slider structure into the chain scraper, the problem of inconvenient chain replacement and maintenance is solved, the chain can be easily installed and the scraping effect is improved, ensuring the efficient removal of sludge and suspended matter.

CN223366322UActive Publication Date: 2025-09-23JIANGSU JIHE ENVIRONMENT ENG EQUIP CO LTD
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Patent Information

Application Number
CN202422940618.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-30
Publication Date
2025-09-23
Estimated Expiration
2034-11-30

AI Technical Summary

Technical Problem

Existing chain-type scrapers lack a tension adjustment mechanism at the sprocket, which makes chain replacement and maintenance inconvenient.

Method used

A non-metallic chain scraping device is designed, which adopts a tension adjustment mechanism and a limit slider structure. The tension of the transmission chain and the distance between the scraper and the bottom of the pool are adjusted by rotating the threaded rod and the lead screw, which simplifies the chain loading and unloading and the adjustment of the scraping effect.

Benefits of technology

It realizes the convenient loading and unloading of the transmission chain and improves the scraping effect, ensures the convenient installation of the chain and sprocket and the effective contact between the scraper and the bottom of the pool, and improves the efficiency of removing sludge and suspended matter.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of chain type mud scrapers, in particular to a nonmetal chain type slag scraping device which comprises a pool body, four sets of chain wheel transmission components arranged in a rectangular array mode are arranged on the inner front wall and the inner rear wall of the pool body respectively, each chain wheel transmission component comprises an installation rod and a transmission chain wheel, and transmission chains are arranged on the surfaces of the four sets of transmission chain wheels in a sleeved mode. A plurality of mud scraping components arranged at equal intervals are fixedly connected to the surfaces of the two transmission chains, a transmission groove is formed in the inner rear wall of the pool body, and a transmission rod rotationally connected with the inner front wall of the pool body is rotationally connected to the inner rear wall of the transmission groove. Due to the arrangement of the threaded rod and the threaded block, when the transmission chain needs to be replaced and maintained, the rotating rod is rotated to drive the threaded rod to rotate, and under the guiding effect of the guiding sliding block, the threaded block drives the installation rod on the lower right portion and the transmission chain wheel to move leftwards through rotation of the threaded rod, so that the tension of the transmission chain can be loosened; and convenience is provided for the assembly work of the transmission chain and the transmission chain wheel.
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Description

Technical Field

[0001] The utility model relates to the technical field of chain-type scrapers, in particular to a non-metallic chain-type scraping device. Background Art

[0002] Chain scraper is also called chain scraper and chain oil scraper. Its function is to continuously remove suspended solids floating on the water surface and sludge at the bottom of the pool.

[0003] Patent document No. CN212187929U discloses a chain-type scraper, comprising a concrete tank, a mud collecting trough provided on the bottom surface of one end of the concrete tank, an oil collecting and skimming pipe provided on the upper sidewall of the other end of the concrete tank, a drive motor provided on the end surface of one end of the concrete tank, a first driven sprocket group, a second driven sprocket group, a tensioning sprocket group, and a main shaft sprocket group provided on the inner walls of both sides of the concrete tank and used in conjunction with each other, a transmission chain respectively used in conjunction with the first driven sprocket group, the second driven sprocket group, the tensioning sprocket group, and the main shaft sprocket group, and a scraper provided on the transmission chain, wherein the drive motor is connected to the main shaft sprocket group. The beneficial effect of the utility model is that its structural design is reasonable, and it can realize stable, efficient and safe bottom scraping and surface skimming operations in primary and secondary sedimentation tanks in sewage treatment, thereby improving sewage treatment efficiency.

[0004] Regarding the above-mentioned related technologies, the inventors believe that there are the following defects: when the above-mentioned scheme is actually used, the sprocket used to support and transmit the chain lacks a tension adjustment mechanism, which makes it inconvenient to remove the chain from the sprocket when replacing or maintaining the chain later, causing inconvenience to the loading and unloading of the chain. Utility Model Content

[0005] The utility model discloses a non-metal chain type scraping device, which aims to solve the existing technical problems.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A non-metallic chain scraper device comprises a pool body, wherein the inner front wall and the inner rear wall of the pool body are both provided with four groups of sprocket transmission components arranged in a rectangular array, the sprocket transmission components include mounting rods and transmission sprockets, the surfaces of the four groups of transmission sprockets are sleeved with transmission chains, and the surfaces of two transmission chains are fixedly connected to a plurality of equidistantly arranged mud scraping components, a transmission groove is provided on the inner rear wall of the pool body, the inner rear wall of the transmission groove is rotatably connected to a transmission rod rotatably connected to the front wall of the pool body, and the transmission rod is fixedly connected to two transmission sprockets on the upper left, a driving unit is fixedly installed on the upper surface of the pool body, and the output shaft of the driving unit is connected to the transmission rod through a synchronous belt, the inner front wall and the inner rear wall of the pool body are both provided with mounting grooves, and a tension adjustment mechanism is provided inside the mounting grooves;

[0008] The tension adjustment mechanism includes a mounting frame embedded in the mounting groove, a rotating opening is penetrated through the right surface of the mounting frame, the inner wall of the rotating opening is rotatably connected to a rotating rod, the left end of the rotating rod is fixedly connected to a threaded rod extending into the interior of the mounting frame, the surface of the threaded rod is threadedly connected to a threaded block, and the mounting rods of the two sets of sprocket transmission components on the lower right are fixedly connected to the surfaces of the two threaded blocks respectively.

[0009] In a preferred solution, the transmission sprocket is rotatably connected to the surface of the mounting rod, and the end of the mounting rod is fixedly connected to the inner wall of the tank body through a mounting plate and a mounting bolt.

[0010] In a preferred solution, a guide slider is provided on the surface of the threaded block, and a guide groove for the guide slider to slide is provided on the inner wall of the mounting frame.

[0011] By arranging the guide slider, under the guiding action of the guide slider, the threaded block can be directed to move left and right through the rotation of the threaded rod.

[0012] In a preferred embodiment, the scraping component includes a connecting frame and a scraping blade, which is slidably connected to the inside of the connecting frame. The connecting frame is fixedly connected to the surface of the transmission chain. An operating opening is provided on the surface of the connecting frame. An operating rod is rotatably connected to the inner wall of the operating opening. One end of the operating rod is fixedly connected to a screw rod extending to the inside of the connecting frame. A threaded groove matching the screw rod is provided on one side of the scraping blade located inside the connecting frame.

[0013] The distance between the scraper and the bottom of the pool can be adjusted by setting the screw rod and the thread groove.

[0014] In a preferred solution, both side surfaces of the scraper are provided with limiting sliders, and both side inner walls of the connecting frame are provided with limiting sliding grooves for the limiting sliders to slide.

[0015] By setting a limit slider, under the limiting and guiding action of the limit slider, the scraper can be directed up and down by the rotation of the screw rod.

[0016] In a preferred solution, the transmission sprocket is made of non-metallic glass fiber material, the transmission chain is a plate chain structure, and the scraper is made of polyester glass fiber reinforced plastic material.

[0017] In a preferred solution, drainage channels are fixedly installed on the inner front wall and the inner rear wall of the tank body, a protective net is provided at the channel mouth on the upper surface of the drainage channel, and the drainage channel is connected to an external waste collection device.

[0018] By setting up sewage channels, some of the scraped suspended matter can be collected and discharged.

[0019] As can be seen from the above, the non-metallic chain scraper device provided by the present invention has the following technical effects.

[0020] First: When the transmission chain needs to be replaced or maintained, the rotating rod drives the threaded rod to rotate. Under the guidance of the guide slider, the threaded block drives the installation rod and the transmission sprocket on the lower right to move left through the rotation of the threaded rod, thereby loosening the tension of the transmission chain and facilitating the assembly of the transmission chain and the transmission sprocket.

[0021] Second: When the distance between the scraper and the bottom of the pool is large, resulting in incomplete sludge scraping, the operating lever is rotated to drive the screw to rotate. Under the guidance of the limit slider, the scraper is moved out of the connecting frame by rotating the screw, so that the distance between the scraper and the bottom of the pool can be adjusted, thereby improving the scraping effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a front view structural schematic diagram of a non-metallic chain scraper device proposed by the utility model.

[0023] Figure 2 This is a schematic diagram of the front cross-section structure of a non-metallic chain scraper device proposed by the utility model.

[0024] Figure 3 This is a schematic diagram of the top-sectional structure of a non-metallic chain scraper device proposed by the utility model.

[0025] Figure 4 This utility model proposes a non-metallic chain scraping device Figure 3 Enlarged structural diagram at point A in the middle.

[0026] Figure 5 This is a schematic diagram of the front cross-section structure of the mud scraping component of a non-metallic chain type scraping device proposed by the utility model.

[0027] In the attached figure:

[0028] 1. Pool body;

[0029] 2. Sprocket transmission component; 201. Mounting rod; 202. Transmission sprocket;

[0030] 3. Mud scraping parts; 301. Connecting frame; 302. Mud scraping blade; 303. Screw rod; 304. Limiting slider;

[0031] 4. Transmission rod; 5. Drive unit; 6. Synchronous belt; 7. Mounting slot; 8. Mounting frame; 9. Threaded rod;

[0032] 10. Threaded block; 11. Guide slider; 12. Sewage channel; 13. Transmission chain. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0035] Reference Figure 1 and Figure 5 A non-metallic chain scraper device includes a pool body 1. The inner front wall and the inner rear wall of the pool body 1 are each provided with four groups of sprocket transmission components 2 arranged in a rectangular array. The sprocket transmission component 2 includes a mounting rod 201 and a transmission sprocket 202. The transmission sprocket 202 is rotatably connected to the surface of the mounting rod 201. The end of the mounting rod 201 is fixedly connected to the inner wall of the pool body 1 through a mounting plate and a mounting bolt.

[0036] The surfaces of the four sets of transmission sprockets 202 are sleeved with transmission chains 13, and a number of equidistantly arranged mud scraping parts 3 are fixedly connected to the surfaces of the two transmission chains 13. A transmission groove is provided on the inner rear wall of the pool body 1, and the inner rear wall of the transmission groove is rotatably connected to a transmission rod 4 rotatably connected to the inner front wall of the pool body 1, and the transmission rod 4 is fixedly connected to the two transmission sprockets 202 on the upper left. A driving unit 5 is fixedly installed on the upper surface of the pool body 1, and the output shaft of the driving unit 5 is connected to the transmission rod 4 through a synchronous belt 6. The inner front wall and the inner rear wall of the pool body 1 are both provided with installation grooves 7, and a tension adjustment mechanism is provided inside the installation groove 7.

[0037] The tension adjustment mechanism includes a mounting frame 8 embedded in the mounting groove 7. A rotating opening is penetrated through the right surface of the mounting frame 8. The inner wall of the rotating opening is rotatably connected to a rotating rod. The left end of the rotating rod is fixedly connected to a threaded rod 9 extending to the inside of the mounting frame 8. The surface of the threaded rod 9 is threadedly connected to a threaded block 10. The mounting rods 201 of the two sets of sprocket transmission components 2 on the lower right are respectively fixedly connected to the surfaces of the two threaded blocks 10.

[0038] Reference Figure 3 and Figure 4 In a preferred embodiment, a guide slider 11 is provided on the surface of the threaded block 10 , and a guide groove for the guide slider 11 to slide is opened on the inner wall of the mounting frame 8 .

[0039] Under the guidance of the guide slider 11 , the threaded block 10 can be directed to move left and right by the rotation of the threaded rod 9 .

[0040] Reference Figure 2 and Figure 5 In a preferred embodiment, the mud scraping component 3 includes a connecting frame 301 and a mud scraping blade 302. The mud scraping blade 302 is slidably connected to the inside of the connecting frame 301. The connecting frame 301 is fixedly connected to the surface of the transmission chain 13. An operating opening is opened through the surface of the connecting frame 301. An operating rod is rotatably connected to the inner wall of the operating opening. One end of the operating rod is fixedly connected to a screw rod 303 extending to the inside of the connecting frame 301. A threaded groove matching the screw rod 303 is opened on one side of the mud scraping blade 302 located inside the connecting frame 301.

[0041] By setting the screw rod 303 and the thread groove, the distance between the scraper 302 and the bottom of the pool body 1 can be adjusted.

[0042] Reference Figure 2 and Figure 5 In a preferred embodiment, both side surfaces of the scraper 302 are provided with limit sliders 304, and both side inner walls of the connecting frame 301 are provided with limit sliding grooves for the limit sliders 304 to slide.

[0043] Under the limiting and guiding action of the limiting slider 304 , the scraper 302 can be directed up and down by the rotation of the screw rod 303 .

[0044] The transmission sprocket 202 is made of non-metallic glass fiber material, the transmission chain 13 is a plate chain structure, and the scraper 302 is made of polyester glass fiber reinforced plastic material.

[0045] Reference Figure 1 and Figure 2In a preferred embodiment, a sewage channel 12 is fixedly installed on the inner front wall and the inner rear wall of the pool body 1, a protective net is provided at the channel mouth on the upper surface of the sewage channel 12, and the sewage channel 12 is connected to the external waste collection equipment.

[0046] By setting up the sewage channel 12, some of the scraped suspended matter can be collected and discharged.

[0047] Working principle: The operation of the driving unit 5 drives the transmission rod 4 to rotate through the synchronous belt 6. The rotation of the transmission rod 4 drives the two transmission chains 13 to move through the two sets of transmission sprockets 202 on the upper left. The operation of the transmission chain 13 drives the scraping component 3 to scrape the sludge at the bottom of the pool body 1 and the suspended matter on the water surface, so that the device can achieve the effect of continuously removing suspended matter and sludge. During this period, when the distance between the scraping plate 302 and the bottom of the pool body 1 is large, resulting in incomplete sludge scraping, the operating lever is rotated to drive the screw rod 303 to rotate, and the limit slider 30 is moved. 4, the scraper blade 302 is moved out of the connecting frame 301 by rotating the screw rod 303, so that the distance between the scraper blade 302 and the bottom of the pool body 1 can be adjusted. When the transmission chain 13 needs to be replaced or maintained, the rotating rod drives the threaded rod 9 to rotate. Under the guidance of the guide slider 11, the threaded block 10 drives the lower right mounting rod 201 and the transmission sprocket 202 to move to the left through the rotation of the threaded rod 9, so that the tension of the transmission chain 13 can be loosened, which facilitates the assembly of the transmission chain 13 and the transmission sprocket 202.

[0048] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. The replacements described may be partial structures, devices, or method steps, or they may be complete technical solutions. Any equivalent replacements or modifications based on the technical solution and the concept of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A non-metallic chain scraping device, characterized by: The invention comprises a pool body (1), wherein the inner front wall and the inner rear wall of the pool body (1) are both provided with four groups of sprocket transmission components (2) arranged in a rectangular array, the sprocket transmission components (2) include a mounting rod (201) and a transmission sprocket (202), the surfaces of the four groups of transmission sprockets (202) are sleeved with a transmission chain (13), and the surfaces of two transmission chains (13) are fixedly connected with a plurality of equidistantly arranged mud scraping components (3), the inner rear wall of the pool body (1) is provided with a transmission groove, the inner rear wall of the transmission groove is rotatably connected with a transmission rod (4) rotatably connected to the inner front wall of the pool body (1), and the transmission rod (4) is fixedly connected to the two transmission sprockets (202) on the upper left, a driving unit (5) is fixedly installed on the upper surface of the pool body (1), and the output shaft of the driving unit (5) is transmission-connected to the transmission rod (4) through a synchronous belt (6), the inner front wall and the inner rear wall of the pool body (1) are both provided with a mounting groove (7), and a tension adjustment mechanism is provided inside the mounting groove (7); The tension adjustment mechanism comprises a mounting frame (8) embedded in the mounting groove (7), a rotating opening is provided on the right side surface of the mounting frame (8), a rotating rod is rotatably connected to the inner wall of the rotating opening, a threaded rod (9) is fixedly connected to the left end of the rotating rod and extends to the inside of the mounting frame (8), a threaded block (10) is threadedly connected to the surface of the threaded rod (9), and the mounting rods (201) of the two groups of sprocket transmission components (2) on the lower right are respectively fixedly connected to the surfaces of the two threaded blocks (10).

2. The non-metallic chain scraper device according to claim 1, characterized in that: The transmission sprocket (202) is rotatably connected to the surface of the mounting rod (201), and the end of the mounting rod (201) is fixedly connected to the inner wall of the tank body (1) via a mounting plate and mounting bolts.

3. The non-metallic chain scraper device according to claim 1, characterized in that: A guide slide block (11) is provided on the surface of the threaded block (10), and a guide groove for the guide slide block (11) to slide is provided on the inner wall of the mounting frame (8).

4. The non-metallic chain scraper device according to claim 1, characterized in that: The scraper component (3) comprises a connecting frame (301) and a scraper blade (302), the scraper blade (302) being slidably connected to the interior of the connecting frame (301), the connecting frame (301) being fixedly connected to the surface of the transmission chain (13), an operating opening being provided through the surface of the connecting frame (301), an operating rod being rotatably connected to the inner wall of the operating opening, one end of the operating rod being fixedly connected to a screw rod (303) extending into the interior of the connecting frame (301), and a threaded groove matching the screw rod (303) being provided on one side of the scraper blade (302) located inside the connecting frame (301).

5. The non-metallic chain scraper device according to claim 4, characterized in that: Limiting slide blocks (304) are provided on both side surfaces of the scraper (302), and limiting sliding grooves for the limiting slide blocks (304) to slide are provided on both side inner walls of the connecting frame (301).

6. A non-metallic chain scraper device according to any one of claims 1 or 4, characterized in that: The transmission sprocket (202) is made of non-metallic glass fiber material, the transmission chain (13) is a plate chain structure, and the scraper (302) is made of polyester glass fiber reinforced plastic material.

7. The non-metallic chain scraper device according to claim 1, characterized in that: A sewage channel (12) is fixedly installed on the inner front wall and the inner rear wall of the tank body (1), a protective net is provided at the channel mouth on the upper surface of the sewage channel (12), and the sewage channel (12) is connected to an external waste collection device.

Citation Information

Patent Citations

  • Chain type mud scraper

    CN212187929U