Adjustable center transmission mud scraper

Abstract

The utility model discloses an adjustable center transmission mud scraper, which relates to the technical field of mud scrapers and comprises a transmission shaft, a mounting frame is fixedly arranged at the bottom end of the transmission shaft, an insertion pipe is fixedly arranged at the bottom end of the mounting frame, and insertion rods are inserted into two ends of the insertion pipe. The transmission shaft is arranged, the inserting pipe is arranged at the bottom end of the transmission shaft through the mounting frame, the movable pipes are arranged on the two sides of the inserting pipe, the movable rods are arranged at one ends of the movable pipes in an inserted mode, and the movable pipes and the movable rods form a mud scraping arm structure; the inserting rod, the movable rod and the connecting arm form a triangular structure, and the position of the movable rod can be adjusted by adjusting the position of the inserting rod, so that the length of the mud scraping arm can be adjusted, and the device can adapt to sedimentation tanks of various specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of mud scrapers, in particular to an adjustable central transmission mud scraper. Background Art

[0002] A sludge scraper is a machine that cleans silt 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. The length of the scraper arm of existing scrapers is fixed, making it difficult to adapt to sedimentation tanks of different sizes.

[0003] For example, a scraping device for a scraper with publication 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 fixed frame, the bottom of the fixed frame is fixedly connected with multiple groups of connecting rods, the ends of the multiple groups of connecting rods away from the fixed 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] In practical applications, the above technical solution is difficult to adjust the length of the scraper arm, and thus cannot be adapted to various types of sedimentation tanks.

[0005] Therefore, it is necessary to invent an adjustable center drive scraper to solve the above problems. Utility Model Content

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

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable center-drive scraper, comprising a transmission shaft, a mounting bracket is fixedly provided at the bottom end of the transmission shaft, a plug tube is fixedly provided at the bottom end of the mounting bracket, both ends of the plug tube are plugged with plug rods, movable tubes are movably provided at the middle parts of both sides of the plug tube through a pin shaft, a movable rod is plugged with one end of the movable tube, a scraper plate is fixedly provided on the lower surface of the movable rod and the movable tube, a connecting seat is penetrated through a bearing at one end of the plug rod, a movable seat is penetrated through a bearing at one end of the plug rod, connecting ears are movably provided at both ends of the movable seat through a pin shaft, a connecting arm is movably provided between the connecting ear and the connecting seat through a pin shaft, a positioning seat is fixedly provided at one end of the upper surface of the plug rod, a threaded groove is penetrated through the middle part of the positioning seat, and a threaded rod is penetrated through the inside of the threaded groove.

[0008] Preferably, one end of the threaded rod is movably arranged at the inner bottom end of the mounting frame through a bearing, an adjusting motor is fixedly arranged inside the mounting frame, and the output shaft of the adjusting motor is transmission-connected to one end of the threaded rod through a bevel gear set.

[0009] Preferably, a movable sleeve is sleeved on the middle of the transmission shaft, and movable arms are movably provided on both sides of the movable sleeve through pins.

[0010] Preferably, the two movable arms are symmetrically arranged, and the bottom ends of the movable arms are movably connected to one end of the upper surface of the movable tube via a pin.

[0011] Preferably, a locking bolt is provided through the screw hole provided in the middle of the outer side surface of the movable sleeve, and one end of the locking bolt is in contact with the outer side wall of the transmission shaft.

[0012] Preferably, a support column is movably provided at the bottom end of the insert tube via a bearing.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model is provided with a transmission shaft, and a plug is provided at the bottom end of the transmission shaft through a mounting frame, movable tubes are provided on both sides of the plug, and a movable rod is provided at one end of the movable tube, and the movable tube and the movable rod form a scraping arm structure, and a plug rod is plugged at both ends of the plug tube, and a connecting arm is provided between the plug rod and the movable rod, and the plug rod, the movable rod and the connecting arm form a triangular structure, and the position of the movable rod can be adjusted by adjusting the position of the plug rod, thereby adjusting the length of the scraping arm, so that the device can be adapted to sedimentation tanks of various specifications;

[0015] 2. The utility model is provided with a transmission shaft, a movable sleeve is sleeved in the middle of the transmission shaft, movable arms are movably provided on both sides of the movable sleeve through pins, and one end of the movable arm is connected to the movable tube through the pin. The movable tube, the movable arm and the transmission shaft form a triangular structure. By adjusting the position of the movable sleeve, the inclination of the movable tube can be adjusted, so that the device can adaptably adjust the scraper arm according to sedimentation tanks of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a front schematic diagram of the overall structure of the utility model.

[0018] Figure 3 It is a schematic top view of the overall structure of the utility model.

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

[0020] In the figure: 1. transmission shaft; 2. mounting frame; 3. insert tube; 4. insert rod; 5. movable tube; 6. movable rod; 7. scraper; 8. connecting seat; 9. movable seat; 10. connecting ear; 11. connecting arm; 12. positioning seat; 13. threaded groove; 14. threaded rod; 15. adjusting motor; 16. bevel gear set; 17. movable sleeve; 18. movable arm; 19. locking bolt; 20. support column. 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 1-4 An adjustable central transmission mud scraper shown in the figure comprises a transmission shaft 1, a mounting frame 2 is fixedly provided at the bottom end of the transmission shaft 1, a plug tube 3 is fixedly provided at the bottom end of the mounting frame 2, plug rods 4 are inserted at both ends of the plug tube 3, movable tubes 5 are movably provided at the middle of both sides of the plug tube 3 through pins, a movable rod 6 is inserted at one end of the movable tube 5, and a mud scraper 7 is fixedly provided on the lower surface of the movable rod 6 and the movable tube 5;

[0023] Specifically, one end of the movable rod 6 is provided with a connecting seat 8 through a bearing, one end of the insertion rod 4 is provided with a movable seat 9 through a bearing, both ends of the movable seat 9 are provided with connecting ears 10 movably provided through a pin shaft, and a connecting arm 11 is movably provided between the connecting ear 10 and the connecting seat 8 through a pin shaft, the connecting seat 8 and the movable seat 9 can both rotate, and the connecting ear 10 and the movable seat 9 are movably connected, so when the inclination of the movable tube 5 changes, the connecting arm 11 will not interfere with the movement of the movable tube 5;

[0024] More specifically, a positioning seat 12 is fixedly provided at one end of the upper surface of the insertion rod 4, a thread groove 13 is penetrated in the middle of the positioning seat 12, a threaded rod 14 is penetrated inside the thread groove 13, one end of the threaded rod 14 is movably provided at the inner bottom end of the mounting frame 2 through a bearing, an adjusting motor 15 is fixedly provided inside the mounting frame 2, the output shaft of the adjusting motor 15 is transmission-connected with one end of the threaded rod 14 through a bevel gear set 16, and the adjusting motor 15 can drive the threaded rod 14 to rotate through the bevel gear set 16;

[0025] In addition, a movable sleeve 17 is sleeved in the middle of the transmission shaft 1, and movable arms 18 are movably provided on both sides of the movable sleeve 17 through pins. The two movable arms 18 are symmetrically arranged, and the bottom ends of the movable arms 18 are movably connected to one end of the upper surface of the movable tube 5 through the pins. A locking bolt 19 is penetrated through the screw hole opened in the middle of the outer side surface of the movable sleeve 17, and one end of the locking bolt 19 is in contact with the outer wall of the transmission shaft 1. The locking bolt 19 can lock the position between the movable sleeve 17 and the transmission shaft 1.

[0026] Moreover, a support column 20 is movably provided at the bottom end of the insert pipe 3 through a bearing, and the support column 20 can fit with the bottom end of the sedimentation tank to play an auxiliary supporting role.

[0027] Working principle of this utility model:

[0028] When the device is in use, the threaded rod 14 is driven to rotate by adjusting the motor 15. The threaded rod 14 cooperates with the threaded groove 13 to make the positioning seat 12 slide horizontally, and the positioning seat 12 can drive the insertion rod 4 to slide. Since the insertion rod 4, the movable rod 6 and the connecting arm 11 form a triangular structure, the position of the movable rod 6 can be adjusted by adjusting the position of the insertion rod 4, so that the length of the scraper arm can be adjusted, so that the device can adapt to sedimentation tanks of various specifications. By rotating the locking bolt 19, the limit between the movable sleeve 17 and the transmission shaft 1 is released. Since the movable arm 18, the movable tube 5 and the transmission shaft 1 form a triangular structure, when the movable sleeve 17 drives the movable arm 18 to move, the inclination of the movable tube 5 changes, so that the inclination angle of the scraper arm can be adjusted according to the specifications of the sedimentation tank.

[0029] 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. An adjustable central drive mud scraper, comprising a drive shaft (1), Features: A mounting frame (2) is fixedly provided at the bottom end of the transmission shaft (1), a plug tube (3) is fixedly provided at the bottom end of the mounting frame (2), plug rods (4) are inserted at both ends of the plug tube (3), movable tubes (5) are movably provided at the middle of both sides of the plug tube (3) through pins, a movable rod (6) is inserted at one end of the movable tube (5), a scraper blade (7) is fixedly provided on the lower surface of the movable rod (6) and the movable tube (5), and a connecting rod (4) is inserted at one end of the movable rod (6) through a bearing. A connecting seat (8), one end of the insertion rod (4) is provided with a movable seat (9) through a bearing, both ends of the movable seat (9) are provided with connecting ears (10) movably provided through a pin shaft, a connecting arm (11) is movably provided between the connecting ear (10) and the connecting seat (8) through a pin shaft, a positioning seat (12) is fixedly provided at one end of the upper surface of the insertion rod (4), a threaded groove (13) is provided through the middle of the positioning seat (12), and a threaded rod (14) is provided through the inside of the threaded groove (13).

2. An adjustable central drive mud scraper according to claim 1, Features: One end of the threaded rod (14) is movably arranged at the inner bottom end of the mounting frame (2) through a bearing, and an adjusting motor (15) is fixedly arranged inside the mounting frame (2), and the output shaft of the adjusting motor (15) is transmission-connected to one end of the threaded rod (14) through a bevel gear set (16).

3. An adjustable central drive mud scraper according to claim 2, Features: A movable sleeve (17) is sleeved in the middle of the transmission shaft (1), and movable arms (18) are movably provided on both sides of the movable sleeve (17) via pins.

4. An adjustable central drive mud scraper according to claim 3, Features: The two movable arms (18) are symmetrically arranged, and the bottom ends of the movable arms (18) are movably connected to one end of the upper surface of the movable tube (5) via a pin shaft.

5. An adjustable central drive mud scraper according to claim 4, Features: A locking bolt (19) is provided through a screw hole provided in the middle of the outer side surface of the movable sleeve (17), and one end of the locking bolt (19) is in contact with the outer side wall of the transmission shaft (1).

6. An adjustable central drive mud scraper according to claim 5, Features: A support column (20) is movably provided at the bottom end of the insertion tube (3) via a bearing.

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