Suspension type center transmission mud scraper

Abstract

The utility model discloses a suspension type center transmission mud scraper, which relates to the technical field of mud scrapers, and comprises a mounting rack, a movable sleeve is movably arranged in the middle of the bottom end of the mounting rack through a bearing, a mud scraping arm is fixedly arranged at the bottom end of the movable sleeve, a mud scraping plate is fixedly arranged on the lower surface of the mud scraping arm, and the mud scraping plate is fixedly arranged on the lower surface of the mud scraping arm. Two movable arms are movably arranged in the middle of the upper surface of the mud scraping arm through pin shafts, and a side scraping plate is arranged at one end of each movable arm. The movable sleeve is arranged below the mounting frame, the mud scraping arm and the mud scraping plate are arranged at the bottom end of the movable sleeve, the supporting arm is arranged above the mud scraping arm, the side scraping plate is arranged at one end of the supporting arm, mud scraping treatment on the inner wall of the sedimentation tank can be achieved through the side scraping plate, and the inner wall of the sedimentation tank can be scraped by adjusting the position of the supporting arm. The height of the side scraping plate can be adjusted, so that the device can scrape mud at different positions of the inner wall of the sedimentation tank.

Description

Technical Field

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

[0002] In the process of sewage treatment, it is necessary to add treatment agents to the sewage in the sedimentation tank, and then wait for the sewage to settle, so that the sludge in the sewage can be precipitated and separated. Therefore, after the sedimentation is completed, a scraper is needed to scrape off the sludge attached to the inner wall of the sedimentation tank, so as to achieve the purpose of cleaning the sedimentation tank. The common scraper adopts the central transmission method to ensure the stability during scraping.

[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. It is difficult to fully and thoroughly scrape the inner wall of the sedimentation tank with this technical solution, and the scraping range is limited.

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

[0006] The purpose of the utility model is to provide a suspended 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: a suspended central transmission scraper, comprising a mounting frame, a movable sleeve is movably arranged at the middle part of the bottom end of the mounting frame through a bearing, a scraper arm is fixedly arranged at the bottom end of the movable sleeve, a scraper plate is fixedly arranged on the lower surface of the scraper arm, two symmetrically distributed support arms are arranged above the scraper arm, and a side scraper plate is arranged at one end of the support arm, a sliding sleeve is sleeved at the middle part of the movable sleeve, connecting ears are fixedly arranged on both sides of the sliding sleeve, and the connecting ears are movably connected to the top end of the support arm through a pin shaft, a screw sleeve is arranged inside the movable sleeve, and sliding grooves with a strip structure are penetrated on both sides of the movable sleeve, a connecting block is penetrated inside the sliding groove, and the connecting block is fixedly arranged between the screw sleeve and the sliding sleeve.

[0008] Preferably, a reciprocating screw rod is provided through the interior of the screw rod sleeve, an adjusting motor is fixedly provided at the top end of the reciprocating screw rod, and the adjusting motor is fixedly provided at the middle part of the upper surface of the mounting frame.

[0009] Preferably, a driving motor is fixedly provided on the upper surface of the mounting frame, a pulley is fixedly provided on the output shaft of the driving motor and the top end of the movable sleeve, and a transmission belt is provided between the two pulleys.

[0010] Preferably, a plug tube is fixedly provided at the top end of the support arm, an insert block is inserted inside the plug tube, and a spring is provided between the insert block and the plug tube.

[0011] Preferably, a connecting seat is fixedly provided at the top end of the insert block, a positioning plate is movably provided inside the connecting seat via a pin, and the positioning plate is fixedly provided at the inner middle part of the side scraper.

[0012] Preferably, a diamond-shaped reinforcement frame is fixedly provided at the middle of both sides of the scraper arm.

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

[0014] 1. The utility model is provided with a mounting frame, a movable sleeve is provided below the mounting frame, a scraper arm and a scraper plate are provided at the bottom of the movable sleeve, a support arm is provided above the scraper arm, and a side scraper plate is provided at one end of the support arm. The side scraper plate can realize the scraping of the inner wall of the sedimentation tank, and the height of the side scraper plate can be adjusted by adjusting the position of the support arm, so that the device can realize the scraping of different positions of the inner wall of the sedimentation tank;

[0015] 2. The utility model provides a movable arm, a side scraper is provided at the top of the movable arm, a plug pipe, a plug rod and other structures are provided between the movable arm and the side scraper, and a spring is provided between the plug pipe and the plug rod. The setting of the spring not only ensures that the side scraper can fit with the inner wall of the sedimentation tank, thereby ensuring the mud scraping effect, but also allows a certain travel space between the side scraper and the movable arm, thereby ensuring that the side scraper can always keep in contact with the inner wall of the sedimentation tank when adjusting up and down. 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 cross-sectional view of the overall structure of the utility model.

[0019] Figure 4 For the utility model Figure 3 A schematic diagram of the enlarged structure in the middle.

[0020] Figure 5 For the utility model Figure 3 Enlarged schematic diagram of the structure at point B in the middle.

[0021] In the figure: 1. mounting frame; 2. movable sleeve; 3. scraper arm; 4. scraper plate; 5. reinforcement frame; 6. side scraper; 7. support arm; 8. sliding sleeve; 9. connecting ear; 10. screw sleeve; 11. slide groove; 12. connecting block; 13. reciprocating screw; 14. adjusting motor; 15. driving motor; 16. pulley; 17. insert; 18. insert block; 19. spring; 20. connecting seat; 21. positioning plate. DETAILED DESCRIPTION

[0022] 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.

[0023] The utility model provides Figure 1-5 A suspended central transmission scraper is shown, comprising a mounting frame 1, a movable sleeve 2 is movably provided at the middle of the bottom end of the mounting frame 1 through a bearing, a scraper arm 3 is fixedly provided at the bottom end of the movable sleeve 2, a scraper plate 4 is fixedly provided on the lower surface of the scraper arm 3, two symmetrically distributed support arms 7 are provided above the scraper arm 3, and a side scraper 6 is provided at one end of the support arm 7;

[0024] Specifically, a sliding sleeve 8 is provided in the middle of the movable sleeve 2, and connecting ears 9 are fixedly provided on both sides of the sliding sleeve 8, and the connecting ears 9 are movably connected to the top of the support arm 7 through a pin shaft, a screw sleeve 10 is provided inside the movable sleeve 2, and a strip-shaped slide groove 11 is penetrated on both sides of the movable sleeve 2, and a connecting block 12 is penetrated inside the slide groove 11, and the connecting block 12 is fixedly provided between the screw sleeve 10 and the sliding sleeve 8, and a reciprocating screw rod 13 is penetrated inside the screw sleeve 10, and an adjusting motor 14 is fixedly provided at the top of the reciprocating screw rod 13, and the adjusting motor 14 is fixedly provided in the middle of the upper surface of the mounting frame 1, and the adjusting motor 14 can drive the reciprocating screw rod 13 to rotate, so as to realize the power input for the up and down movement of the scraper 6, and bellows are also provided at both ends of the sliding sleeve 8, and the bellows can realize the sealing of the slide groove 11, so as to protect the reciprocating screw rod 13;

[0025] More specifically, a driving motor 15 is fixedly provided on the upper surface of the mounting frame 1, and a pulley 16 is fixedly provided on the output shaft of the driving motor 15 and the top of the movable sleeve 2, and a transmission belt is provided between the two pulleys 16. The driving motor 15 can drive the movable sleeve 2, thereby realizing power input to the device;

[0026] In addition, a plug 17 is fixedly provided at the top of the support arm 7, a plug block 18 is inserted inside the plug 17, and a spring 19 is provided between the plug block 18 and the plug 17, a connecting seat 20 is fixedly provided at the top of the plug block 18, a positioning plate 21 is movably provided inside the connecting seat 20 through a pin shaft, and the positioning plate 21 is fixedly provided at the inner middle part of the side scraper 6, and the positioning plate 21 cooperates with the connecting seat 20 to ensure that the scraper 6 will not deflect in the horizontal direction, thereby ensuring the scraper 6 The effect of scraping mud on the inner wall of the sedimentation tank, at the same time, by removing the connecting pin between the positioning plate 21 and the connecting seat 20, the scraper 6 can be disassembled and maintained;

[0027] A diamond-shaped reinforcement frame 5 is fixedly provided at the middle of both sides of the scraper arm 3 , and the reinforcement frame 5 can effectively improve the structural strength of the scraper arm 3 .

[0028] Working principle of this utility model:

[0029] When the device is in use, the mounting frame 1 is fixedly installed above the sedimentation tank, the driving motor 15 can drive the movable sleeve 2 to rotate through the pulley 16, and the movable sleeve 2 can drive the scraper plate 4 to rotate through the scraper arm 3 to achieve the scraping of the bottom of the sedimentation tank. At the same time, the scraper arm 3 can drive the insert pipe 17 to rotate through the movable arm 5, and the insert pipe 17 drives the side scraper 6 to rotate through the plug block 18, the connecting seat 20 and the positioning plate 21, so that the side scraper 6 scrapes the inner wall of the sedimentation tank. At the same time, the adjusting motor 14 drives the reciprocating screw 13 to rotate, and the reciprocating screw 13 cooperates with the screw sleeve 10 to make the screw sleeve 10 move up and down. The screw sleeve 10 can drive the sliding sleeve 8 to move through the connecting block 12, and the sliding sleeve 8 can drive the support arm 7 to move through the connecting ear 9, and the support arm 7 drives the side scraper 6 to move up and down through the insert pipe 17 and the plug block 18 to achieve the scraping of the inner wall of the sedimentation tank at different heights.

[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 suspended central drive mud scraper, comprising a mounting frame (1), characterized in that: A movable sleeve (2) is movably provided at the middle part of the bottom end of the mounting frame (1) through a bearing, a scraper arm (3) is fixedly provided at the bottom end of the movable sleeve (2), a scraper plate (4) is fixedly provided on the lower surface of the scraper arm (3), two symmetrically distributed support arms (7) are provided above the scraper arm (3), and a side scraper plate (6) is provided at one end of the support arm (7), a sliding sleeve (8) is sleeved at the middle part of the movable sleeve (2), connecting ears (9) are fixedly provided on both sides of the sliding sleeve (8), and the connecting ears (9) are movably connected to the top of the support arm (7) through a pin shaft, a screw sleeve (10) is provided inside the movable sleeve (2), and a strip-shaped slide groove (11) is penetrated on both sides of the movable sleeve (2), a connecting block (12) is penetrated inside the slide groove (11), and the connecting block (12) is fixedly provided between the screw sleeve (10) and the sliding sleeve (8).

2. A suspended central drive mud scraper according to claim 1, characterized in that: A reciprocating screw (13) is provided inside the screw sleeve (10), an adjusting motor (14) is fixedly provided at the top end of the reciprocating screw (13), and the adjusting motor (14) is fixedly provided at the middle part of the upper surface of the mounting frame (1).

3. A suspended central drive mud scraper according to claim 2, characterized in that: A driving motor (15) is fixedly arranged on the upper surface of the mounting frame (1), a pulley (16) is fixedly arranged on the output shaft of the driving motor (15) and the top end of the movable sleeve (2), and a transmission belt is arranged between the two pulleys (16).

4. A suspended central drive mud scraper according to claim 3, characterized in that: A plug tube (17) is fixedly provided at the top end of the support arm (7), an insert block (18) is inserted inside the plug tube (17), and a spring (19) is provided between the insert block (18) and the plug tube (17).

5. A suspended central drive mud scraper according to claim 4, characterized in that: A connecting seat (20) is fixedly provided at the top end of the insert block (18), a positioning plate (21) is movably provided inside the connecting seat (20) via a pin shaft, and the positioning plate (21) is fixedly provided at the inner middle part of the side scraper (6).

6. The suspended central drive mud scraper according to claim 5, characterized in that: A diamond-shaped reinforcement frame (5) is fixedly provided in the middle of both sides of the scraper arm (3).

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