Nonmetal chain plate type mud scraper

Abstract

The utility model discloses a non-metal chain plate type mud scraper, which relates to the technical field of sewage treatment and specifically comprises a fixed support, a movable support, a synchronous chain, two side wall scraping plates and a magnet plate, the fixed support and the movable support are respectively arranged at two ends of a sewage pool, synchronous chain wheels are fixed at two ends of the fixed support and the movable support, and the magnet plate is arranged on the synchronous chain wheel. The synchronous chain wheel on the fixed support and the synchronous chain wheel on the movable support are in transmission connection through synchronous chains, and the two synchronous chains are connected through a mud scraping plate. According to the non-metal chain plate type mud scraper, through the arrangement of the side wall scraping plate and the first spring, the side wall scraping plate can be driven to move, the resilience force of the first spring can push the side wall scraping plate to reset, the side wall scraping plate can scrape off sludge attached to the side wall of a sewage pool in the moving process, and the mud scraping range of the mud scraper is enlarged; and the side wall scraper blade can perform non-contact detection on the tightness of the synchronous chain in the moving process, so that the tightness of the synchronous chain is convenient to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a non-metallic chain plate type mud scraper. Background Art

[0002] The chain-plate scraper is mainly used for continuous sludge discharge at the bottom of the horizontal flow sedimentation tank, grit tank and grease trap in the sewage treatment plant, and can continuously remove oil or scum on the water surface. It is especially suitable for sedimentation tanks with more sediment. In the prior art, some chain-plate scraper schemes are disclosed, such as a non-metallic chain-plate scraper with automatic adjustment of the tensioning chain disclosed in the authorized patent with application number CN201921034497.3, and a non-metallic chain-plate scraper with automatic adjustment of the tensioning chain disclosed in the authorized patent with application number CN202222168249.6.

[0003] When the above scheme is in use, the size of the scraper is fixed, resulting in a limited range of scraping mud or scum, which makes it more restricted in actual use; when the scraper is moving, it can only scrape the mud on the bottom of the pool, and cannot scrape off the sludge adhering to the side wall of the pool and the impurities attached to the chain, and during the movement of the chain, there will be constant friction between the chain and the tensioning structure, which accelerates the wear rate of the chain; based on this, the present application proposes a non-metallic chain plate scraper. Utility Model Content

[0004] The utility model provides a non-metallic chain plate type scraper, which solves the problems proposed in the above background technology that the scraper plate has a fixed size, the scraping range or the scum scraping range is limited, and the use is relatively restricted; the sludge adhered to the side wall of the pool and the impurities adhered to the chain cannot be scraped off, and a tensioning structure is provided to adjust the tightness of the chain, which accelerates the wear rate of the chain.

[0005] The utility model provides the following technical solutions: a non-metallic chain plate type mud scraper, comprising a fixed bracket, a movable bracket, a synchronous chain, two side wall scrapers and a magnet plate, wherein the fixed bracket and the movable bracket are respectively arranged at two ends of the sewage pool, and synchronous sprockets are fixed at both ends of the fixed bracket and the movable bracket, and the synchronous sprocket on the fixed bracket is connected to the synchronous sprocket on the movable bracket through a synchronous chain transmission, and the two synchronous chains are connected through the mud scraper;

[0006] The movable bracket includes a hydraulic telescopic rod 1 fixedly connected to the sewage pool, a connecting rod fixedly connected to the other end of the hydraulic telescopic rod 1 and a movable roller movably connected to the end of the connecting rod, both ends of the movable roller are fixed with synchronous sprockets, a cleaning brush 1 is movably connected to the side of the connecting rod close to the synchronous chain, and the cleaning brush 1 contacts the inner wall of the synchronous chain, and a cleaning brush 2 is connected to the end of the connecting rod away from the synchronous chain through a hydraulic telescopic rod 2, and the cleaning brush 2 contacts the outer wall of the synchronous chain; the synchronous chain is located between two side wall scrapers, and the side wall scrapers An electromagnet is provided on the top, and the side wall scraper is movably connected to the side wall of the sewage pool. The side wall scraper is fixedly connected to the sewage pool through spring 1, and pressure sensors are provided on the top of the side wall scraper and the side of the top away from spring 1; the scraper includes a fixed scraper and a movable scraper connected to the inner cavity of the fixed scraper through spring 2, the fixed scraper is connected to the synchronous chain through a connecting block, a magnet block 1 is fixed in the inner cavity of the movable scraper, and magnet blocks 2 are fixed at both ends of the fixed scraper, the magnet plate is fixedly connected to the bottom of the sewage pool, and the magnet plate and magnet block 1 are in a state of magnetic repulsion.

[0007] Preferably, the movable bracket includes an active roller and a driven roller, the active roller is movably connected to one side of one end of the sewage tank, and the driven roller is movably connected to the other side of one end of the sewage tank, and both ends of the active roller and the driven roller are fixed with synchronous sprockets; one end of the active roller is fixedly connected to the end of the output shaft of the rotating motor, and the other end of the rotating motor is fixedly connected to the sewage tank.

[0008] Preferably, both ends of the connecting rod are movably connected with movable rollers, and the movable rollers are at the same height as the active roller or the driven roller.

[0009] Preferably, a slider is fixed to the middle part of the side wall scraper and the connecting rod on the side away from the synchronous chain, a slide groove adapted to the slider is provided on the side wall of the sewage pool, the hydraulic telescopic rod 1, the hydraulic telescopic rod 2 and the spring 1 are all located in the inner cavity of the slide groove, the bottom of the fixed scraper located at the top of the synchronous chain is at the same height as the top of the side wall scraper, and the top of the fixed scraper located at the bottom of the synchronous chain is at the same height as the bottom of the side wall scraper.

[0010] Preferably, the lengths of the fixed scraper and the movable scraper are the same, and the distance between the bottom of the synchronous chain and the bottom of the inner cavity of the sewage pool is the same as the distance between the end of the fixed scraper away from the synchronous chain and the synchronous chain.

[0011] Preferably, the movable scraper is movably connected to the inner cavity of the fixed scraper, and the outer surface of the movable scraper is wrapped with an isolation pad.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The non-metallic chain plate type scraper can realize brushing during the rotation of the synchronous chain through the setting of the cleaning brush 1 and the cleaning brush 2, so as to avoid the sludge adhering to the synchronous chain. Moreover, under the action of the hydraulic telescopic rod 2, the cleaning brush 2 can be away from the synchronous chain, so as to avoid the cleaning brush 2 restricting the movement of the scraper.

[0014] 2. The non-metallic chain scraper can adjust the height of the scraper according to the needs through the setting of the scraper plate, thereby improving the adaptability of the scraper; through the setting of the side wall scraper and spring 1, the scraper plate can drive the side wall scraper to move, and the rebound force of the spring 1 can push the side wall scraper to reset. The side wall scraper can scrape off the sludge adhered to the side wall of the sewage pool during the movement, thereby expanding the scraping range of the scraper, and the side wall scraper can perform non-contact detection of the tightness of the synchronous chain during the movement, so that the scraper can adjust the tightness of the synchronous chain in time.

[0015] 3. The non-metallic chain plate type scraper can change the distance between the moving roller and the movable bracket by setting a hydraulic telescopic rod 1, thereby adjusting the tightness of the synchronous chain without causing accelerated wear of the synchronous chain. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure and use of the utility model;

[0018] Figure 3 The utility model structure Figure 2 Back side diagram;

[0019] Figure 4 The utility model structure Figure 2 Schematic cross-section;

[0020] Figure 5 The utility model structure Figure 4 Front view schematic diagram;

[0021] Figure 6 This is a cross-sectional schematic diagram of the structure of the scraper blade of the utility model;

[0022] Figure 7 It is a schematic diagram of the side wall scraper of the utility model structure.

[0023] In the figure: 1. Active roller; 2. Driven roller; 3. Connecting rod; 4. Moving roller; 5. Synchronous chain; 6. Connecting block; 7. Fixed scraper; 8. Moving scraper; 9. Spring 2; 10. Magnet block 2; 11. Magnet block 1; 12. Pressure sensor; 14. Slider; 15. Side scraper; 16. Spring 1; 17. Electromagnet; 18. Cleaning brush 1; 19. Cleaning brush 2; 20. Rotating motor; 21. Hydraulic telescopic rod 1; 22. Hydraulic telescopic rod 2; 23. Magnet plate; 24. Synchronous sprocket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides a non-metallic chain plate type scraper, comprising a fixed bracket and a movable bracket, the fixed bracket comprising an active roller 1 and a driven roller 2, the ends of both the active roller 1 and the driven roller 2 are fixed with a synchronous sprocket 24, when the scraper is in use, the active roller 1 and the driven roller 2 are both movably connected to one end of the inner cavity of the sewage pool, and the active roller 1 is movably connected to one side of the inner cavity of the sewage pool, and the driven roller 2 is movably connected to the other side of the inner cavity of the sewage pool; the movable bracket is located at the other end of the sewage pool, the movable bracket comprises two connecting rods 3, the middle parts of both ends of the connecting rods 3 are movably connected with a moving roller 4, the two connecting rods 3 are connected through two moving rollers 4, the moving roller 4 is at the same height as the active roller 1 or the driven roller 2, both ends of the moving roller 4 are fixed with a synchronous sprocket 24, and the synchronous sprocket 24 on the fixed bracket is connected to the synchronous sprocket 24 on the movable bracket through a synchronous chain 5. A rotating motor 20 is fixed on one side of the sewage pool, and the end of the output shaft of the rotating motor 20 is fixedly connected to the end of the active roller 1 through a reducer. Through the setting of the rotating motor 20, the rotation of the rotating motor 20 can drive the active roller 1 to rotate, and the rotation of the active roller 1 can drive the synchronous sprocket 24 fixedly connected thereto to rotate, and the synchronous sprocket 24 drives the synchronous chain 5 wrapped around its outer ring to rotate.

[0026] The connecting rod 3 is fixedly connected to the inner wall of the sewage pool through a hydraulic telescopic rod 21. Under the action of the hydraulic telescopic rod 21, the distance between the moving roller 4 and the fixed bracket can be changed, thereby realizing the adjustment of the tension of the multi-synchronous chain 5. When the scraper is in use, a chute is provided on the side wall of the sewage pool, and the hydraulic telescopic rod 21 is located in the inner cavity of the chute. A slider 14 is fixed on the side of the connecting rod 3 close to the chute, and the hydraulic telescopic rod 21 is fixedly connected to the slider 14. Through the setting of the chute, the hydraulic telescopic rod 21 can be hidden in the side wall of the sewage pool to prevent the hydraulic telescopic rod 21 from affecting the operation of the scraper.

[0027] The two synchronous chains 5 are connected by a scraper, which includes a fixed scraper 7, a movable scraper 8 and a connecting block 6. The fixed scraper 7 is connected to the synchronous chain 5 by the connecting block 6. The lengths of the fixed scraper 7 and the movable scraper 8 are the same. The distance between the bottom of the synchronous chain 5 and the bottom of the inner cavity of the sewage pool is the same as the distance between the end of the fixed scraper 7 away from the synchronous chain 5 and the synchronous chain 5. The movable scraper 8 is movably connected to the inner cavity of the fixed scraper 7. The movable scraper 8 is connected to the fixed scraper 7 by a spring 9. By setting the spring 9, the movable scraper 8 can move under the action of an external force, so that the height of the scraper changes. When the scraper is in use, the fixed scraper 7 contacts the side wall of the sewage pool.

[0028] A magnet block 11 is fixed in the inner cavity of the movable scraper 8, and magnet blocks 2 10 are fixed at both ends of the fixed scraper 7. The magnet blocks 11 and 2 10 are in a state of magnetic repulsion. A magnet plate 23 is fixed to the bottom of the sewage pool. The magnet plate 23 and the magnet block 11 are in a state of magnetic repulsion. When the scraper is located below the synchronous chain 5, the thrust of the spring 29 on the movable scraper 8 is less than the repulsive force between the magnet block 11 and the magnet plate 23. Under the action of the repulsive force, the movable scraper 8 is located in the inner cavity of the fixed scraper 7, which is convenient for the fixed scraper 7 to move and perform the scraping operation. When the scraper is located above the synchronous chain 5, the thrust of the spring 29 on the movable scraper 8 is greater than the repulsive force between the magnet block 11 and the magnet plate 23. Under the action of the spring 29, the movable scraper 8 is away from the magnet plate 23, and the height of the scraper changes, which is convenient for the scraper to scrape off the scum on the surface of the sewage pool.

[0029] The movable scraper 8 is movably connected to the inner cavity of the fixed scraper 7. The outer surface of the movable scraper 8 is wrapped with an isolation pad, and the material of the isolation pad can be rubber. Through the setting of the isolation pad, the friction between the movable scraper 8 and the inner wall of the sewage pool can be reduced, making it easier for the movable scraper 8 to scrape off impurities adhering to the inner wall of the sewage pool.

[0030] A non-metallic chain scraper proposed in the present application also includes two side wall scrapers 15, another slider 14 is movably connected in the inner cavity of the slide groove, the other slider 14 is fixedly connected to the side wall scraper 15, the other slider 14 is fixedly connected to the side wall of the sewage pool through a spring 16, and the synchronous chain 5 is located between the two side wall scrapers 15, the bottom of the fixed scraper 7 located at the top of the synchronous chain 5 is at the same height as the top of the side wall scraper 15, and the top of the fixed scraper 7 located at the bottom of the synchronous chain 5 is at the same height as the bottom of the side wall scraper 15. When the scraper is in a horizontal moving state, the scraper can contact the side wall scraper 15, and the top of the side wall scraper 15 is provided with an electromagnet 17 and a pressure sensor 12. When the pressure sensor 12 senses pressure, the scraper The side wall scraper 15 is in contact with the side wall scraper 15. At this time, when the electromagnet 17 is in a power-on state, and the electromagnet 17 and the magnet block 10 are in a state of magnetic attraction, the movement of the scraper can drive the side wall scraper 15 to move. The side wall scraper 15 can scrape off the impurities adhering to the side wall of the sewage pool during the movement, thereby improving the scraping range of the scraper and facilitating the use of the scraper. The pressure sensor 12 can detect the pressure of the scraper on the side wall scraper 15. When the pressure of the scraper on the side wall scraper 15 exceeds the normal range, it can be judged that the synchronous chain 5 is in a relaxed state. At this time, the scraper can control the hydraulic telescopic rod 21 to work and adjust the tightness of the synchronous chain 5 until the pressure value of the scraper on the side wall scraper 15 detected by the pressure sensor 12 is within the normal range.

[0031] Another pressure sensor 12 is fixed to the side of the top of the side scraper 15 away from the spring 16. Through the setting of the other pressure sensor 12, when the side scraper 15 contacts the mud scraper when it is reset, it means that the synchronous chain 5 is in a relaxed state and needs to be tightened.

[0032] The side of the connecting rod 3 close to the synchronous chain 5 is movably connected with a cleaning brush 18, and the cleaning brush 18 contacts the inner wall of the synchronous chain 5. The end of the connecting rod 3 away from the synchronous chain 5 is connected with a cleaning brush 19 through a hydraulic telescopic rod 22, and the cleaning brush 2 19 contacts the outer wall of the synchronous chain 5. Through the arrangement of the cleaning brush 18 and the cleaning brush 2 19, when the synchronous chain 5 rotates, the cleaning brush 18 and the cleaning brush 2 19 can scrape off the sludge adhered to the synchronous chain 5, and under the action of the hydraulic telescopic rod 2 22, the cleaning brush 2 19 can be away from the scraper plate, so as to facilitate the movement of the scraper plate.

[0033] In some embodiments of the present application, the synchronous chain 5 is made of reinforced nylon, the scraper plate is made of fiberglass, the magnet block 11, the magnet block 2 10 and the magnet plate 23 are all permanent magnets, and the model of the electromagnet 17 may be XDA-50 / 42.

[0034] The electrical components involved in this application are all prior art, and technicians in this field are familiar with their connection methods. Through these technicians, all the electrical components in this application are connected to their compatible power supplies through wires, and according to the actual situation, a suitable controller is selected to meet the control requirements. The specific connection and control sequence are described below. The electrical connection is completed in a sequential working order, and the detailed connection means are well known in the art. The following mainly introduces the working principle and process, and no further explanation of the electrical control is given.

[0035] In summary: when the non-metallic chain scraper is in use, the rotation of the rotating motor 20 can drive the active roller 1 fixedly connected thereto to rotate, and the active roller 1 drives the synchronous sprocket 24 fixedly connected thereto to rotate, and the rotating synchronous sprocket 24 drives the synchronous chain 5 wound around its outer ring to rotate, and the synchronous chain 5 drives the scraper plate to rotate. The scraper plate can perform mud scraping or scum scraping operations during the horizontal movement process. During the rotation of the synchronous chain 5, the cleaning brush 1 18 and the cleaning brush 2 19 are used in combination to scrape off impurities adhering to the surface of the synchronous chain 5. If the pressure sensor 12 located at the top of the side wall scraper 15 detects pressure, the electromagnet 17 is in a power-on state, and the electromagnet 17 and the magnet block 2 10 are in a state of magnetic attraction. Under the action of the suction force, the scraper plate can drive the side wall scraper 15 to move, and the side wall scraper 15 can scrape off the sludge adhering to the side wall of the sewage pool during the movement. To expand the application scope of the scraper, when the pressure sensor 12 located on the top of the side wall scraper 15 detects that the pressure value exceeds the set normal range, it means that the synchronous chain 5 is in a relaxed state, the hydraulic telescopic rod 21 contracts, and the hydraulic telescopic rod 21 drives the moving roller 4 to move until the pressure value detected by the pressure sensor 12 is in the normal range. The moving distance of the side wall scraper 15 can be judged according to the rotation frequency of the rotating motor 20. When the side wall scraper 15 moves to the other side of the slide groove, the electromagnet 17 is in a power-off state. Under the action of the rebound force of the spring 16, the side wall scraper 15 can be reset. If the side wall scraper 15 is in the resetting process, the other pressure sensor 12 on the side of the top of the side wall scraper 15 senses that the pressure exceeds the set value, then the side wall scraper 15 is in contact with the scraper, and the synchronous chain 5 is in a relaxed state, and the tightness of the synchronous chain 5 needs to be adjusted.

[0036] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art and will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A non-metallic chain plate type mud scraper, comprising a fixed bracket, a movable bracket, a synchronous chain (5), two side wall scrapers (15) and a magnet plate (23), characterized in that: The fixed support and the movable support are respectively arranged at two ends of the sewage pool, and synchronous sprockets (24) are fixed at both ends of the fixed support and the movable support. The synchronous sprocket (24) on the fixed support is connected to the synchronous sprocket (24) on the movable support through a synchronous chain (5), and the two synchronous chains (5) are connected through a scraper. The movable bracket comprises a hydraulic telescopic rod (21) fixedly connected to the sewage tank, a connecting rod (3) fixedly connected to the other end of the hydraulic telescopic rod (21), and a movable roller (4) movably connected to the end of the connecting rod (3), both ends of the movable roller (4) are fixed with synchronous sprockets (24), a side of the connecting rod (3) close to the synchronous chain (5) is movably connected to a cleaning brush (18), the cleaning brush (18) contacts the inner wall of the synchronous chain (5), and the end of the connecting rod (3) away from the synchronous chain (5) is connected to a cleaning brush (19) through a hydraulic telescopic rod (22), the cleaning brush (19) contacts the outer wall of the synchronous chain (5); the synchronous chain (5) is located between two side wall scrapers (15), and the side wall scrapers (15) ) is provided with an electromagnet (17) at the top, the side wall scraper (15) is movably connected to the side wall of the sewage tank, the side wall scraper (15) is fixedly connected to the sewage tank via a spring one (16), and a pressure sensor (12) is provided at the top and the side of the top end of the side wall scraper (15) away from the spring one; the scraper comprises a fixed scraper (7) and a movable scraper (8) connected to the inner cavity of the fixed scraper (7) via a spring two (9), the fixed scraper (7) is connected to the synchronous chain (5) via a connecting block (6), a magnet block one (11) is fixed in the inner cavity of the movable scraper (8), and magnet blocks two (10) are fixed at both ends of the fixed scraper (7), the magnet plate (23) is fixedly connected to the bottom of the sewage tank, and the magnet plate (23) and the magnet block one (11) are in a state of magnetic repulsion.

2. The non-metallic chain plate type scraper according to claim 1, characterized in that: The movable bracket comprises an active roller (1) and a driven roller (2); the active roller (1) is movably connected to one side of one end of the sewage pool, and the driven roller (2) is movably connected to the other side of one end of the sewage pool; both ends of the active roller (1) and the driven roller (2) are fixed with synchronous sprockets (24); one end of the active roller (1) is fixedly connected to the end of the output shaft of the rotating motor (20), and the other end of the rotating motor (20) is fixedly connected to the sewage pool.

3. The non-metallic chain plate type scraper according to claim 2, characterized in that: Both ends of the connecting rod (3) are movably connected to movable rollers (4), and the movable rollers (4) are at the same height as the active roller (1) or the driven roller (2).

4. The non-metallic chain plate type scraper according to claim 1, characterized in that: A slider (14) is fixed to the middle of the side scraper (15) and the connecting rod (3) away from the synchronous chain (5); a slide groove adapted to the slider (14) is provided on the side wall of the sewage pool; the hydraulic telescopic rod 1 (21), the hydraulic telescopic rod 2 (22) and the spring 1 (16) are all located in the inner cavity of the slide groove; the bottom of the fixed scraper (7) located at the top of the synchronous chain (5) is at the same height as the top of the side scraper (15); and the top of the fixed scraper (7) located at the bottom of the synchronous chain (5) is at the same height as the bottom of the side scraper (15).

5. The non-metallic chain plate type scraper according to claim 1, characterized in that: The lengths of the fixed scraper (7) and the movable scraper (8) are the same, and the distance between the bottom of the synchronous chain (5) and the bottom of the inner cavity of the sewage pool is the same as the distance between the end of the fixed scraper (7) away from the synchronous chain (5) and the synchronous chain (5).

6. The non-metallic chain plate type scraper according to claim 1, characterized in that: The movable scraper (8) is movably connected to the inner cavity of the fixed scraper (7), and the outer surface of the movable scraper (8) is wrapped with an isolation pad.

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