Center transmission mud scraper with adjusting structure

Abstract

The utility model discloses a center transmission mud scraper with an adjusting structure, which relates to the technical field of mud scrapers and comprises a transmission shaft, a movable frame is arranged at the top end of the transmission shaft, movable arms are movably arranged at the two ends of the lower surface of the movable frame through pin shafts, a supporting arm is arranged on one side of each movable arm, and the adjusting structure is arranged on the other side of each movable arm. Connecting arms are arranged at the two ends of the movable arm and the two ends of the supporting arm. The transmission shaft is arranged, the movable frame is arranged at the top end of the transmission shaft, the mounting plates are arranged at the two ends of the lower surface of the movable frame through the four-connecting-rod mechanisms, and the scrapers are arranged on the outer sides of the mounting plates, so that in the using process of the device, the four-connecting-rod mechanisms can be adjusted to adjust the positions of the scrapers; therefore, the scraping plate is attached to the inner wall of the sedimentation tank, and sludge scraping treatment on the inner wall of the sedimentation tank is realized.

Description

Technical Field

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

[0002] Center drive scraper is widely used in sewage treatment projects in cities, chemical industry, textile, metallurgy and other industries; it has reasonable structure, high efficiency, convenient operation and maintenance, and is an ideal supporting facility for sewage treatment projects.

[0003] The publication number is CN206295639U. A suspended central drive scraper comprises a working bridge, a scraper shaft is arranged at the center of the working bridge, a driving mechanism for driving the scraper shaft is arranged on the working bridge, a guide cylinder is arranged below the working bridge, the guide cylinder is coaxially arranged with the scraper shaft, a water inlet pipe is connected to the upper part of the guide cylinder, two scraper arms are arranged radially near the bottom of the scraper shaft, a scraper plate is arranged on the scraper arm, two scraper arm supports perpendicular to the scraper arm are arranged radially on the scraper shaft, and the scraper The arm and the scraper arm support are symmetrically arranged about the center of the scraper shaft, the scraper arm and the scraper arm support are connected by the scraper arm support steel bars, the scraper arm support steel bars are provided with a tensioning device, the bottom end of the scraper shaft is installed with an underwater bearing seat through an underwater bearing, and a shim for adjusting the height of the underwater bearing seat is provided under the underwater bearing seat. The suspended central transmission scraper provided by the utility model has a simple structure, convenient maintenance and management, stable operation, safe and reliable operation, good scraping effect, and low water content of the removed sludge.

[0004] The above technical solution has some problems in practical application. This technical solution can only treat the sludge at the bottom of the sedimentation tank, but cannot treat the sludge on the inner wall of the sedimentation tank. After the precipitant is added to the sedimentation tank, the mixing effect of the precipitant and sewage is limited, and the sewage treatment effect is limited.

[0005] Therefore, it is necessary to invent a central transmission scraper with an adjustment structure to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a central transmission mud scraper with an adjustment structure 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: a central transmission scraper with an adjustment structure, comprising a transmission shaft, a movable frame is provided at the top of the transmission shaft, movable arms are movably provided at both ends of the lower surface of the movable frame through pins, a support arm is provided on one side of the movable arm, connecting arms are provided at both ends of the movable arm and the support arm, a mounting plate is fixedly provided on the outer side of the support arm, a mounting seat is fixedly provided on the outer side of the mounting plate, a scraper is provided inside the mounting seat, an adjusting arm is movably provided on the bottom end of the movable arm through a pin, an adjusting rod is movably provided on the top end of the adjusting arm through a pin, a positioning seat is fixedly provided in the middle of the adjusting rod, a screw hole is penetrated in the middle of the positioning seat, and an adjusting screw is penetrated inside the screw hole.

[0008] Preferably, both sides of the movable frame are penetrated with sliding grooves, and the adjustment rod is penetrated and arranged inside the sliding grooves.

[0009] Preferably, one end of the adjusting screw is movably arranged on the inner wall of the movable frame through a bearing, and the other end of the adjusting screw is fixedly provided with a hand wheel.

[0010] Preferably, a sliding sleeve is provided at the middle portion of the inner side of the movable frame, and the sliding sleeve is sleeved on the outer side of the transmission shaft.

[0011] Preferably, a connecting block is fixedly provided between the sliding sleeve and the movable frame, a locking bolt is penetrated through a screw hole opened in the middle of the outer side wall of the sliding sleeve, and one end of the locking bolt is in contact with the outer side wall of the transmission shaft.

[0012] Preferably, a scraper arm is fixedly provided at the bottom end of the transmission shaft, a mounting bracket is provided at the top end of the transmission shaft, a drive motor is provided in the middle of the mounting bracket, and an output shaft of the drive motor is fixedly connected to the top end of the transmission shaft.

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

[0014] 1. The utility model is provided with a transmission shaft, a movable frame is provided at the top of the transmission shaft, mounting plates are provided at both ends of the lower surface of the movable frame through a four-bar linkage, and a scraper is provided on the outer side of the mounting plate. During use, the four-bar linkage can be adjusted to adjust the position of the scraper, so that the scraper fits the inner wall of the sedimentation tank to achieve the scraping of mud from the inner wall of the sedimentation tank;

[0015] 2. The utility model provides a scraper, the position of which can be adjusted by a four-bar linkage. When the scraper is separated from the inner wall of the sedimentation tank and located inside the sedimentation tank, it can act as a stirring rod to enhance the mixing effect of the precipitant and the sewage in the sedimentation tank, thereby improving the sewage treatment effect. 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 diagram of the movable frame structure of the utility model.

[0019] In the figure: 1. transmission shaft; 2. movable frame; 3. movable arm; 4. supporting arm; 5. connecting arm; 6. mounting plate; 7. mounting seat; 8. scraper; 9. adjusting arm; 10. adjusting rod; 11. slide groove; 12. positioning seat; 13. screw hole; 14. adjusting screw; 15. sliding sleeve; 16. connecting block; 17. locking bolt; 18. scraper arm; 19. mounting frame. DETAILED DESCRIPTION

[0020] 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.

[0021] The utility model provides Figure 1-3 A central transmission mud scraper with an adjustment structure shown in the figure comprises a transmission shaft 1, a movable frame 2 is arranged at the top of the transmission shaft 1, movable arms 3 are movably arranged at both ends of the lower surface of the movable frame 2 through pin shafts, a support arm 4 is arranged on one side of the movable arm 3, connecting arms 5 are arranged at both ends of the movable arm 3 and the support arm 4, a mounting plate 6 is fixedly arranged on the outer side of the support arm 4, a mounting seat 7 is fixedly arranged on the outer side of the mounting plate 6, a scraper 8 is arranged inside the mounting seat 7, the movable arm 3, the support arm 4 and the connecting arm 5 form a four-bar structure, so when the bottom end of the movable arm 3 moves, the four-bar structure changes, the connecting arm 5 moves, and the connecting arm 5 can drive the scraper 8 to move through the mounting plate 6 and the mounting seat 7, so that the scraper 8 fits the inner wall of the sedimentation tank;

[0022] Specifically, the bottom end of the movable arm 3 is movably provided with an adjusting arm 9 through a pin shaft, and the top end of the adjusting arm 9 is movably provided with an adjusting rod 10 through a pin shaft. Slide grooves 11 are provided on both sides of the movable frame 2, and the adjusting rod 10 is provided inside the slide grooves 11. A positioning seat 12 is fixedly provided in the middle of the adjusting rod 10, and a screw hole 13 is provided in the middle of the positioning seat 12. An adjusting screw 14 is provided inside the screw hole 13. One end of the adjusting screw 14 is movably provided on the inner wall of the movable frame 2 through a bearing, and a hand wheel is fixedly provided on the other end of the adjusting screw 14. The adjusting screw 14 cooperates with the screw hole 13 to realize the adjustment of the position of the adjusting rod 10.

[0023] More specifically, a sliding sleeve 15 is provided in the middle of the inner side of the movable frame 2, and the sliding sleeve 15 is sleeved on the outer side of the transmission shaft 1, a connecting block 16 is fixedly provided between the sliding sleeve 15 and the movable frame 2, a locking bolt 17 is penetrated in the screw hole opened in the middle of the outer side wall of the sliding sleeve 15, and one end of the locking bolt 17 is in contact with the outer side wall of the transmission shaft 2, and the locking bolt 17 can lock the position between the sliding sleeve 15 and the transmission shaft 1, thereby fixing the position of the movable frame 2;

[0024] In addition, a scraper arm 18 is fixedly provided at the bottom of the transmission shaft 1, and the scraper arm 18 can realize the treatment of sludge at the bottom of the sedimentation tank. A mounting frame 19 is provided at the top of the transmission shaft 1, and a driving motor is provided in the middle of the mounting frame 19. The output shaft of the driving motor is fixedly connected to the top of the transmission shaft 1, and the driving motor can realize power input to the device.

[0025] Working principle of this utility model:

[0026] When the device is in use, the adjusting screw 14 is rotated by turning the hand wheel at one end of the adjusting screw 14, and the adjusting screw 14 cooperates with the screw hole 13, so that the positioning seat 12 drives the adjusting rod 10 to slide horizontally, and the adjusting rod 10 can drive the bottom end of the movable arm 3 to move through the adjusting arm 9. Since the movable arm 3, the supporting arm 4 and the connecting arm 5 form a four-bar structure, when the bottom end of the movable arm 3 moves, the four-bar structure changes, and the connecting arm 5 moves at this time. The connecting arm 5 can drive the scraper 8 to move through the mounting plate 6 and the mounting seat 7, so that the scraper 8 fits the inner wall of the sedimentation tank. At this time, the transmission shaft 1 rotates under the action of the driving motor, and the transmission shaft 1 can drive the movable frame 2 to rotate, thereby driving the scraper 8 to rotate, so as to achieve the treatment of the inner wall of the sedimentation tank. When the precipitant is added, the position of the scraper 8 is adjusted so that the scraper 8 is located inside the sedimentation tank and does not contact the inner wall of the sedimentation tank, and the sewage in the sedimentation tank can be stirred by the scraper 8, thereby improving the effect of the precipitant.

[0027] 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 central drive mud scraper with an adjustment structure, comprising a drive shaft (1), characterized in that: A movable frame (2) is arranged at the top end of the transmission shaft (1), movable arms (3) are movably arranged at both ends of the lower surface of the movable frame (2) through a pin shaft, a support arm (4) is arranged on one side of the movable arm (3), connecting arms (5) are arranged at both ends of the movable arm (3) and the support arm (4), a mounting plate (6) is fixedly arranged on the outer side of the support arm (4), a mounting seat (7) is fixedly arranged on the outer side of the mounting plate (6), a scraper (8) is arranged inside the mounting seat (7), an adjusting arm (9) is movably arranged at the bottom end of the movable arm (3) through a pin shaft, an adjusting rod (10) is movably arranged at the top end of the adjusting arm (9) through a pin shaft, a positioning seat (12) is fixedly arranged in the middle of the positioning seat (12), a screw hole (13) is penetrated through the middle of the screw hole (13), and an adjusting screw (14) is penetrated through the inside of the screw hole (13).

2. A central drive mud scraper with an adjustment structure according to claim 1, characterized in that: Slide grooves (11) are provided on both sides of the movable frame (2), and the adjustment rod (10) is provided inside the slide grooves (11).

3. A central drive mud scraper with an adjustment structure according to claim 2, characterized in that: One end of the adjusting screw rod (14) is movably arranged on the inner wall of the movable frame (2) via a bearing, and a hand wheel is fixedly arranged on the other end of the adjusting screw rod (14).

4. A central transmission mud scraper with an adjustment structure according to claim 3, characterized in that: A sliding sleeve (15) is arranged at the middle part of the inner side of the movable frame (2), and the sliding sleeve (15) is sleeved and arranged on the outer side of the transmission shaft (1).

5. The central transmission mud scraper with an adjustment structure according to claim 4, characterized in that: A connecting block (16) is fixedly arranged between the sliding sleeve (15) and the movable frame (2), a locking bolt (17) is penetrated through a screw hole opened in the middle of the outer wall of the sliding sleeve (15), and one end of the locking bolt (17) is in contact with the outer wall of the transmission shaft (1).

6. A central transmission mud scraper with an adjustment structure according to claim 5, characterized in that: A scraper arm (18) is fixedly arranged at the bottom end of the transmission shaft (1), a mounting frame (19) is arranged at the top end of the transmission shaft (1), a drive motor is arranged in the middle of the mounting frame (19), and an output shaft of the drive motor is fixedly connected to the top end of the transmission shaft (1).

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