Overload protection type sedimentation tank mud scraper

Abstract

The utility model discloses an overload protection type sedimentation tank mud scraper which comprises a working bridge, the inner bottom wall of the working bridge is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft through a coupler, the outer wall of the rotating shaft is fixedly connected with a fixing rod, and the inner wall of the fixing rod is fixedly connected with a filter screen; according to the overload protection type sedimentation tank mud scraper, the inserting rods, the vertical plates, the movable rods, the clamping blocks, springs, fixing bolts and nuts are used in cooperation, in the using process of the sedimentation tank mud scraper, the nuts are separated from the fixing bolts, then the fixing bolts are sequentially detached from the inserting rods and the transverse rods, the movable rods are pulled, and the movable rods are pulled; when the mud scraper is disassembled, the clamping block is driven to move and be separated from the clamping groove, then the inserting rod is pulled out of the transverse rod, the mud scraper is disassembled, time and labor are saved, the follow-up replacement efficiency after the mud scraper is damaged is improved, meanwhile, the mud scraper is conveniently overhauled and maintained, and then the practicability of the mud scraper of the sedimentation tank is improved to a certain degree.

Description

Technical Field

[0001] The utility model relates to the technical field related to sedimentation tank scrapers, in particular to an overload protection type sedimentation tank scraper. Background Art

[0002] A sedimentation tank scraper is a mechanical equipment used in sewage treatment facilities. It is mainly used to remove the sludge deposited at the bottom of the sedimentation tank. During the sewage treatment process, the sewage will first enter the sedimentation tank, and the solid particles will settle to the bottom through gravity to form a sludge layer. The function of the sedimentation tank scraper is to scrape the sludge deposited at the bottom to the sludge discharge port of the sedimentation tank for further treatment or discharge.

[0003] The scraper plates and scraper arms of existing sedimentation tank scrapers are mostly welded and installed. Once the scraper plates are damaged during operation, the subsequent disassembly and installation work is extremely cumbersome, which increases the workload of operators and reduces the efficiency of repair and maintenance of the sedimentation tank scraper. Therefore, it is necessary to propose an overload protection sedimentation tank scraper. Utility Model Content

[0004] The utility model aims to provide an overload protection type sedimentation tank scraper to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an overload protection sedimentation tank scraper, comprising a working bridge, an inner bottom wall of the working bridge is fixedly connected to a motor, an output end of the motor is fixedly connected to a rotating shaft through a coupling, an outer wall of the rotating shaft is fixedly connected to a fixing rod, an inner wall of the fixing rod is fixedly connected to a filter screen, an outer wall of the rotating shaft is fixedly connected to a cross bar, an internal movably connected plug rod is provided in the cross bar, a scraper plate is fixedly connected to the lower end of the plug rod, an outer wall of the cross bar is fixedly connected to a vertical plate, an internal movably connected to a movable rod is provided in the vertical plate, one end of the movable rod is fixedly connected to a clamping block, one side of the clamping block is fixedly connected to a spring, a clamping groove is provided in the internal part of the plug rod, a fixing bolt is movably connected in the internal part of the plug rod, and a nut is movably connected to the outer wall of the fixing bolt.

[0006] Preferably, the insertion rod passes through the interior of the cross bar and extends to both ends of the cross bar, and the insertion rod is movably connected to the cross bar.

[0007] Preferably, a through slot is provided inside the fixing rod, a connecting rod is fixedly connected inside the through slot, and a roller is movably connected to the outer wall of the connecting rod.

[0008] Preferably, the roller passes through the interior of the fixing rod and extends to the outer wall of the fixing rod, and the roller is movably connected to the fixing rod.

[0009] Preferably, the movable rod passes through the interior of the vertical plate and extends to both sides of the vertical plate, and the movable rod is movably connected to the vertical plate.

[0010] Preferably, the shape and size of the card block match those of the card slot, and the card block is movably connected to the insertion rod via the card slot.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The overload protection sedimentation tank scraper is used in combination with a plug rod, a vertical plate, a movable rod, a clamping block, a spring, a fixing bolt and a nut. During the use of the sedimentation tank scraper, the nut is separated from the fixing bolt, and the fixing bolt is disassembled from the plug rod and the cross bar in turn. The movable rod is pulled to drive the clamping block to move and disengage from the clamping slot, and then the plug rod is pulled out from the inside of the cross bar, so as to disassemble the scraper, save time and labor, improve the replacement efficiency of the scraper after damage, and facilitate the inspection and maintenance of the scraper, thereby improving the practicality of the sedimentation tank scraper.

[0013] 2. This overload protection sedimentation tank scraper, through the arrangement of the through groove, the connecting rod and the roller, during the use of the sedimentation tank scraper, the roller rolls around the connecting rod, so that the fixed rod can improve the fit with the inner wall of the sedimentation tank and the smoothness of rotation during the working rotation, thereby indirectly improving the use effect of the sedimentation tank scraper, and then the applicability of the sedimentation tank scraper is improved to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 4 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 5 For this utility model Figure 3 Enlarged structural diagram at B in the middle.

[0019] In the figure: 1. working bridge; 2. motor; 3. rotating shaft; 4. fixing rod; 5. filter screen; 6. cross bar; 7. plug rod; 8. scraper; 9. vertical plate; 10. movable rod; 11. block; 12. spring; 13. slot; 14. fixing bolt; 15. nut; 16. through slot; 17. connecting rod; 18. roller. 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] See also Figure 1-5 The utility model provides a technical solution: an overload protection sedimentation tank scraper, comprising a working bridge 1, the inner bottom wall of the working bridge 1 is fixedly connected with a motor 2, the output end of the motor 2 is fixedly connected with a rotating shaft 3 through a coupling, the outer wall of the rotating shaft 3 is fixedly connected with a fixing rod 4, the inner wall of the fixing rod 4 is fixedly connected with a filter screen 5, the outer wall of the rotating shaft 3 is fixedly connected with a cross bar 6, the inside of the cross bar 6 is movably connected with an insertion rod 7, the insertion rod 7 penetrates the inside of the cross bar 6 and extends to the two ends of the cross bar 6, the insertion rod 7 is movably connected with the cross bar 6, it is convenient to quickly dock the scraper plate 8 with the cross bar 6, and it is convenient to load and unload the scraper plate 8, the lower end of the insertion rod 7 is fixedly connected with the scraper plate 8, the outer wall of the cross bar 6 is fixedly connected with a vertical plate 9, the inside of the vertical plate 9 There is a movable rod 10 in the movably connected state, which passes through the interior of the vertical plate 9 and extends to both sides of the vertical plate 9. The movable rod 10 is movably connected to the vertical plate 9, which is convenient for driving the position of the block 11 to move, and is convenient for locking and disassembling the insertion rod 7. One end of the movable rod 10 is fixedly connected to a block 11, and the shape and size of the block 11 match the shape and size of the slot 13. The block 11 is movably connected to the insertion rod 7 through the slot 13, which improves the snap fit between the movable rod 10 and the insertion rod 7 and limits the angle of the scraper plate 8. A spring 12 is fixedly connected to one side of the block 11, and a slot 13 is provided inside the insertion rod 7. A fixing bolt 14 is movably connected to the interior of the insertion rod 7, and a nut 15 is movably connected to the outer wall of the fixing bolt 14.

[0022] See also Figure 1-5 A through groove 16 is opened inside the fixed rod 4, and a connecting rod 17 is fixedly connected inside the through groove 16. A roller 18 is movably connected to the outer wall of the connecting rod 17. The roller 18 passes through the interior of the fixed rod 4 and extends to the outer wall of the fixed rod 4. The roller 18 is movably connected to the fixed rod 4, so that the roller 18 rolls as the fixed rod 4 rotates, thereby increasing the stress of the fixed rod 4 when it rotates.

[0023] Working principle: When using the overload protection sedimentation tank scraper, first start the motor 2 to drive the rotation of the rotating shaft 3, thereby driving the rotation of the fixed rod 4 and the cross bar 6, and then driving the roller 18 to roll on the inner wall of the sedimentation tank as the fixed rod 4 rotates, thereby increasing the stress when the fixed rod 4 rotates, and at the same time driving the filter screen 5 to filter the impurities inside the sedimentation tank and the scraper plate 8 to scrape the impurities on the bottom of the sedimentation tank. When the scraper plate 8 is damaged, first remove the nut 15 from the outer wall of the fixing bolt 14, and then disengage the fixing bolt 14 from the plug rod 7 and the cross bar 6, and then pull the movable rod 10 to drive the position of the block 11 to move and disengage from the card slot 13 inside the plug rod 7, and at the same time drive the extrusion of the spring 12, and then pull the plug rod 7 out of the inside of the cross bar 6 to achieve the disassembly of the scraper plate 8. The model of the motor 2 is YE3, and the use process of the overload protection sedimentation tank scraper is completed.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An overload protection type sedimentation tank scraper, comprising a working bridge (1), characterized in that: The inner bottom wall of the working bridge (1) is fixedly connected to a motor (2); the output end of the motor (2) is fixedly connected to a rotating shaft (3) via a coupling; the outer wall of the rotating shaft (3) is fixedly connected to a fixing rod (4); the inner wall of the fixing rod (4) is fixedly connected to a filter screen (5); the outer wall of the rotating shaft (3) is fixedly connected to a cross bar (6); the interior of the cross bar (6) is movably connected to an insertion rod (7); the lower end of the insertion rod (7) is fixedly connected to a scraper plate (8); the outer wall of the cross bar (6) is fixedly connected to a vertical plate (9); the interior of the vertical plate (9) is movably connected to a movable rod (10); one end of the movable rod (10) is fixedly connected to a clamping block (11); one side of the clamping block (11) is fixedly connected to a spring (12); a clamping groove (13) is provided inside the insertion rod (7); the interior of the insertion rod (7) is movably connected to a fixing bolt (14); the outer wall of the fixing bolt (14) is movably connected to a nut (15).

2. The overload protection type sedimentation tank scraper according to claim 1 is characterized in that: The insertion rod (7) passes through the interior of the cross bar (6) and extends to both ends of the cross bar (6), and the insertion rod (7) is movably connected to the cross bar (6).

3. The overload protection type sedimentation tank scraper according to claim 1 is characterized in that: A through slot (16) is provided inside the fixing rod (4), a connecting rod (17) is fixedly connected inside the through slot (16), and a roller (18) is movably connected to the outer wall of the connecting rod (17).

4. The overload protection type sedimentation tank scraper according to claim 3 is characterized in that: The roller (18) passes through the interior of the fixing rod (4) and extends to the outer wall of the fixing rod (4), and the roller (18) is movably connected to the fixing rod (4).

5. The overload protection sedimentation tank scraper according to claim 1, characterized in that: The movable rod (10) penetrates the interior of the vertical plate (9) and extends to both sides of the vertical plate (9), and the movable rod (10) is movably connected to the vertical plate (9).

6. The overload protection type sedimentation tank scraper according to claim 1, characterized in that: The shape and size of the card block (11) match those of the card slot (13), and the card block (11) is movably connected to the insertion rod (7) via the card slot (13).

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