Mud scraping device of center transmission mud scraper

Abstract

The utility model discloses a mud scraping device of a center transmission mud scraper, which relates to the field of mud scrapers and comprises a mounting frame, a driving motor is fixedly arranged in the middle of the lower surface of the mounting frame, a transmission seat is fixedly arranged on an output shaft of the driving motor, and a transmission shaft is fixedly arranged at the bottom end of the transmission seat. A connecting base is fixedly arranged in the middle of the transmission shaft, and movable frames are arranged on the two sides of the connecting base. By arranging the mounting frame, the transmission shaft is arranged below the mounting frame, the movable frames are arranged on the two sides of the transmission shaft, the traction rope is arranged above the movable frames, the traction rope can be wound through the winding roller, and when the mud scraping plate needs to be replaced, the traction rope can be wound, so that the movable frames rotate around the pin shafts at the top ends of the inner sides of the movable frames; therefore, the mud scraping plate moves upwards along with the movable frame, so that the mud scraping plate is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the field of mud scrapers, in particular to a mud scraping device of a central transmission mud scraper. Background Art

[0002] A sludge scraper is a machine that cleans sludge from a river channel. It is used in urban sewage treatment plants, water plants, and large-diameter circular sedimentation tanks for industrial wastewater treatment to remove sludge settled at the bottom of the tank and skim off scum on the surface of the tank. During long-term use, the scraper of an existing sludge scraper is prone to wear and tear, and the scraper needs to be replaced after wear. When replacing the scraper of an existing sludge scraper, the water in the sedimentation tank needs to be discharged, which is rather cumbersome.

[0003] For example, a scraping device for a scraper with the announcement number CN212941635U belongs to the field of scraping for scrapers. A scraping device for a scraper includes a mounting frame and a pool, the mounting frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, the rotating shaft is rotatably connected in the middle of the pool, the outer wall of the rotating shaft is fixedly connected with a fixing frame, the bottom of the fixing frame is fixedly connected with multiple groups of connecting rods, the ends of the multiple groups of connecting rods away from the fixing frame are fixedly connected with a scraper, the scraper is provided with multiple groups of through holes, the multiple groups of through holes are rotatably connected with bearing rods, the bottom of the bearing rod is fixedly connected with a scraper, the end of the bearing rod away from the scraper is fixedly connected with a limit plate, the limit plate and the connecting rod are both provided with fixed blocks, and a spring is fixedly connected between the two groups of fixed blocks; the utility model can automatically adjust the angle of the scraper according to the depth of the sludge, reduce the resistance of the sludge to the scraper, and reduce the damage to the equipment.

[0004] The above technical solution has the problem of inconvenience in replacing the scraper in practical application.

[0005] Therefore, it is necessary to invent a scraping device for a central transmission scraper to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a mud scraping device for a central transmission mud scraper to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present utility model provides the following technical solution: A sludge scraping device for a center-driven sludge scraper, comprising a mounting frame. In the middle of the lower surface of the mounting frame, a driving motor is fixedly arranged. The output shaft of the driving motor is fixedly provided with a transmission seat. At the bottom end of the transmission seat, a transmission shaft is fixedly arranged. In the middle of the transmission shaft, a connecting seat is fixedly arranged. On both sides of the connecting seat, movable frames are arranged. At the inner top end of the movable frame, a connecting block is fixedly arranged, and the connecting block is movably connected to the connecting seat through a pin shaft. On both sides of the transmission seat, extension seats are fixedly arranged. Below the extension seat, a winding roller is arranged. On the outer side of the winding roller, a traction rope is arranged, and one end of the traction rope is fixedly arranged at one end of the upper surface of the movable frame. At one end of the winding roller, a worm gear is fixedly arranged. On one side of the worm gear, a worm is arranged. At one end of the worm, a winding motor is fixedly arranged, and the winding motor is fixedly arranged on the outer side of the extension seat.

[0008] Preferably, at the bottom end of the outer side wall of the movable frame, a slot is opened. Inside the slot, a movable frame is inserted. Through a through hole opened at one end of the movable frame, a locking bolt is penetrated. At the bottom end of the outer side wall of the movable frame, a threaded hole corresponding to the locking bolt is opened.

[0009] Preferably, at both ends of the movable frame, strip-shaped chutes are penetrated. Inside the chutes, two sliding rods are penetrated. In the middle of the sliding rods, a plurality of connecting sleeves are fixedly arranged. At the bottom end of the connecting sleeve, a mounting seat is movably arranged through a bearing.

[0010] Preferably, below the mounting seat, a sludge scraping plate is arranged. Through a through hole opened in the middle of the mounting seat, a mounting bolt is penetrated. At the top end of the sludge scraping plate, a threaded hole corresponding to the mounting bolt is opened.

[0011] Preferably, at both ends of the sliding rod, "C"-shaped positioning seats are fixedly arranged, and the positioning seats are arranged on the outer side of the movable frame. Through threaded holes opened in the middle of both ends of the positioning seat, positioning bolts are penetrated, and the bottom end of the positioning bolt is attached to the outer side wall of the movable frame.

[0012] Preferably, at the bottom end of the transmission shaft, an adapter seat is fixedly arranged. At the bottom end of the inner side wall of the movable frame, two positioning plates are fixedly arranged, and the two positioning plates are respectively arranged on both sides of the adapter seat.

[0013] The technical effects and advantages of the present utility model:

[0014] 1. The utility model provides a mounting frame, a transmission shaft is provided below the mounting frame, movable frames are provided on both sides of the transmission shaft, a traction rope is provided above the movable frame, and the traction rope can be rolled up by a winding roller. When the scraper blade needs to be replaced, the traction rope can be rolled up, so that the movable frame rotates around the pin shaft at the top inner side thereof, so that the scraper blade moves upward with the movable frame, so as to facilitate the replacement of the scraper blade;

[0015] 2. The utility model provides a movable frame, a movable frame is provided in a slot opened at the top outer side of the movable frame, and a scraper plate is installed under the movable frame. When the scraper plate is replaced, the movable frame can be directly taken out of the slot to facilitate replacement of the scraper plates one by one. Two sliding rods are provided inside the movable frame, and a connecting sleeve is provided between the sliding rod and the scraper plate. By adjusting the distance between the two sliding rods, the inclination angle of the scraper plate can be adjusted to ensure the scraping effect of the scraper plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the transmission shaft structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the movable frame of the utility model.

[0019] Figure 4 It is a schematic diagram of the movable frame structure of the utility model.

[0020] In the figure: 1. mounting frame; 2. driving motor; 3. transmission seat; 4. transmission shaft; 5. connecting seat; 6. movable frame; 7. connecting block; 8. extension seat; 9. winding roller; 10. traction rope; 11. worm gear; 12. worm; 13. winding motor; 14. slot; 15. movable frame; 16. locking bolt; 17. slide groove; 18. slide rod; 19. connecting sleeve; 20. mounting seat; 21. scraper; 22. mounting bolt; 23. positioning seat; 24. positioning bolt; 25. positioning plate; 26. adapter seat. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides Figure 1-4The sludge scraping device of a center-driven sludge scraper shown in the figure includes a mounting frame 1. In the middle of the lower surface of the mounting frame 1, a driving motor 2 is fixedly arranged. The output shaft of the driving motor 2 is fixedly provided with a transmission seat 3. At the bottom end of the transmission seat 3, a transmission shaft 4 is fixedly arranged. In the middle of the transmission shaft 4, a connecting seat 5 is fixedly arranged. On both sides of the connecting seat 5, movable frames 6 are arranged. At the inner top end of the movable frame 6, a connecting block 7 is fixedly arranged, and the connecting block 7 is movably connected to the connecting seat 5 through a pin shaft. On both sides of the transmission seat 3, extension seats 8 are fixedly arranged. Below the extension seat 8, a winding roller 9 is arranged. On the outer side of the winding roller 9, a traction rope 10 is arranged, and one end of the traction rope 10 is fixedly arranged at one end of the upper surface of the movable frame 6. The traction rope 10 can pull the movable frame 6 to lift one end of the movable frame 6 upward;

[0023] Specifically, at one end of the winding roller 9, a worm gear 11 is fixedly arranged. On one side of the worm gear 11, a worm 12 is arranged. At one end of the worm 12, a winding motor 13 is fixedly arranged, and the winding motor 13 is fixedly arranged on the outer side of the extension seat 8. The worm gear 11 cooperates with the worm 12 to ensure the self-locking of the winding roller 9 while achieving the transmission effect;

[0024] More specifically, at the bottom end of the outer side wall of the movable frame 6, a slot 14 is opened. Inside the slot 14, a movable frame 15 is inserted. Through a through hole opened at one end of the movable frame 15, a locking bolt 16 is penetrated. On the bottom end of the outer side wall of the movable frame 6, a threaded hole corresponding to the locking bolt 16 is opened. At both ends of the movable frame 15, strip-shaped chutes 17 are penetrated. Inside the chutes 17, two sliding rods 18 are penetrated. In the middle of the sliding rods 18, a plurality of connecting sleeves 19 are fixedly arranged. At the bottom end of the connecting sleeve 19, a mounting seat 20 is movably arranged through a bearing. The mounting seat 20 is used to mount a sludge scraping plate 21;

[0025] And, below the mounting seat 20, a sludge scraping plate 21 is arranged. Through a through hole opened in the middle of the mounting seat 20, a mounting bolt 22 is penetrated. At the top end of the sludge scraping plate 21, a threaded hole corresponding to the mounting bolt 22 is opened. At both ends of the sliding rod 18, a "C"-shaped positioning seat 23 is fixedly arranged, and the positioning seat 23 is arranged outside the movable frame 15. Through threaded holes opened in the middle of both ends of the positioning seat 23, a positioning bolt 24 is penetrated, and the bottom end of the positioning bolt 24 is attached to the outer side wall of the movable frame 15. The positioning bolt 24 can fix the position between the movable frame 15 and the positioning seat 23, so as to fix the position of the sliding rod 18;

[0026] Moreover, at the bottom end of the transmission shaft 4, an adapter seat 26 is fixedly arranged. At the bottom end of the inner side wall of the movable frame 6, two positioning plates 25 are fixedly arranged, and the two positioning plates 25 are respectively arranged on both sides of the adapter seat 26. The positioning plates 25 can be stuck on both sides of the adapter seat 26 to realize the auxiliary positioning of the movable frame 6.

[0027] Working principle of this utility model:

[0028] When the scraper blade 21 is replaced, the winding motor 13 drives the worm 12 to rotate, the worm 12 drives the worm wheel 11 to rotate, and the worm wheel 11 drives the winding roller 9 to rotate. The winding roller 9 can realize the winding of the traction rope 10, and the traction rope 10 can drive the movable frame 6 to move, so that the movable frame 6 rotates around the pin shaft in the middle of the connecting block 7. At this time, one end of the movable frame 6 is lifted upward, and the locking bolt 16 between the movable frame 15 and the movable frame 6 is removed to release the limit of the movable frame 15, and then the movable frame 15 is pulled out from the slot 14. At this time, the scraper blades 21 can be replaced one by one. When the scraper blade 21 is replaced, the mounting bolts 22 between the scraper blade 21 and the mounting seat 20 can be removed to replace the scraper blade 21.

[0029] After the scraper blade 21 is replaced, the distance between the two slide bars 18 can be adjusted to adjust the inclination angle of the scraper blade 21 .

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A mud scraping device for a central drive mud scraper, comprising a mounting frame (1), characterized in that: A driving motor (2) is fixedly arranged in the middle of the lower surface of the mounting frame (1). A transmission seat (3) is fixedly arranged on the output shaft of the driving motor (2). A transmission shaft (4) is fixedly arranged at the bottom end of the transmission seat (3). A connecting seat (5) is fixedly arranged in the middle of the transmission shaft (4). Movable frames (6) are arranged on both sides of the connecting seat (5). A connecting block (7) is fixedly arranged at the inner top end of the movable frame (6), and the connecting block (7) is movably connected with the connecting seat (5) through a pin shaft. Extension seats (8) are fixedly arranged on both sides of the transmission seat (3). A winding roller (9) is arranged below the extension seat (8). A traction rope (10) is arranged on the outer side of the winding roller (9), and one end of the traction rope (10) is fixedly arranged at one end of the upper surface of the movable frame (6). A worm gear (11) is fixedly arranged at one end of the winding roller (9). A worm (12) is arranged on one side of the worm gear (11). A winding motor (13) is fixedly arranged at one end of the worm (12), and the winding motor (13) is fixedly arranged on the outer side of the extension seat (8).

2. The scraping device of a central transmission scraper according to claim 1, characterized in that: A slot (14) is opened at the bottom end of the outer side wall of the movable frame (6). A movable frame (15) is inserted into the slot (14). A locking bolt (16) is arranged through a through hole opened at one end of the movable frame (15). A threaded hole corresponding to the locking bolt (16) is opened at the bottom end of the outer side wall of the movable frame (6).

3. The scraping device of a central transmission scraper according to claim 2, characterized in that: Strip-shaped chutes (17) are arranged through both ends of the movable frame (15). Two slide bars (18) are arranged through the chutes (17). A plurality of connecting sleeves (19) are fixedly arranged in the middle of the slide bars (18). A mounting seat (20) is movably arranged at the bottom end of the connecting sleeve (19) through a bearing.

4. The scraping device of a central transmission scraper according to claim 3, characterized in that: A mud scraping plate (21) is arranged below the mounting seat (20). A mounting bolt (22) is arranged through a through hole opened in the middle of the mounting seat (20). A threaded hole corresponding to the mounting bolt (22) is opened at the top end of the mud scraping plate (21).

5. The scraping device of a central transmission scraper according to claim 4, characterized in that: "C"-shaped positioning seats (23) are fixedly arranged at both ends of the slide bar (18), and the positioning seats (23) are arranged on the outer side of the movable frame (15). A positioning bolt (24) is arranged through a threaded hole opened in the middle of both ends of the positioning seat (23), and the bottom end of the positioning bolt (24) is attached to the outer side wall of the movable frame (15).

6. The scraping device of a central transmission scraper according to claim 5, characterized in that: An adapter seat (26) is fixedly arranged at the bottom end of the transmission shaft (4). Two positioning plates (25) are fixedly arranged at the bottom end of the inner side wall of the movable frame (6), and the two positioning plates (25) are respectively arranged on both sides of the adapter seat (26).

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