Dam bottom sand cleaning device

By designing the mechanism of the filter box and filter plate, the problem of easy clogging of the drum was solved, achieving efficient dewatering of sediment and stable operation of the device.

CN223634012UActive Publication Date: 2025-12-05FUJIAN JINDUN CONSTR ENG CO LTD
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Patent Information

Application Number
CN202422885515.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-12-05
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

The rollers of existing sand-removing devices are easily clogged by mud and sand, affecting the normal use and working efficiency of the device.

Method used

A mechanism including a filter box, mounting frame, filter plate, threaded rod, threaded block, and limiting block was designed. Through the cooperation of these mechanisms, the filter plate can be easily installed and removed and dehydrated by up and down vibration, thus avoiding clogging.

Benefits of technology

It achieves efficient dewatering of sediment, ensuring the normal use and working efficiency of the device, and facilitating the cleaning and maintenance of the filter plates.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dam bottom sand cleaning device in the technical field of sand cleaning, which comprises a filter box, a mounting frame is movably arranged on the inner side of the filter box, a filter plate is movably arranged on the inner side of the mounting frame, a threaded rod is rotatably arranged on the inner side of the mounting frame, and two sections of threads in opposite directions are arranged on the outer side of the threaded rod. Two sections of threads in opposite directions on the outer side of the threaded rod are sleeved with threaded blocks, the two sets of threaded blocks movably penetrate through the mounting frame and extend to the outer side, limiting blocks are fixedly arranged on the portions, located on the outer side of the mounting frame, of the outer sides of the threaded blocks, and two sets of limiting grooves in butt joint with the threaded blocks are formed in the inner side of the mounting frame in a penetrating mode; a driving mechanism butted with the mounting frame is arranged on the outer side of the filter box. By means of the simple installation structure, silt can be conveniently dewatered, meanwhile, the filter plate can be conveniently assembled and disassembled, and therefore the filter plate can be conveniently cleaned, workers can conveniently operate the filter plate, normal use of the device is guaranteed, the practical effect is good, and the device is worthy of being popularized and used in the existing market.
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Description

TECHNICAL FIELD

[0001] The dam bottom sand cleaning device relates to the technical field of silt cleaning, in particular to a dam bottom sand cleaning device. BACKGROUND

[0002] The dam refers to the dam that blocks water, and the dam of the reservoir, river, etc. Generally, the dam of the reservoir mainly comprises a main dam, a secondary dam, a gravity dam, a normal spillway, an extraordinary spillway, an added extraordinary spillway, a Lingzheng canal culvert and a power station. In the operation process of the hydropower dam, a large amount of silt is inevitably accumulated at the bottom of the dam, which causes the storage capacity of the dam reservoir to decrease. At this time, the silt at the bottom of the dam needs to be cleaned.

[0003] According to the search, the dam bottom silt cleaning device with the publication number CN211200531U can conveniently dehydrate the silt, reduce the water content of the silt, increase the amount of silt stored by the cleaning ship at one time, and further improve the work efficiency. However, the roller is easily blocked by silt during actual use, and once the roller is blocked by silt, it is difficult to clean, which stops the dehydration work of the silt and reduces the work efficiency.

[0004] In view of this, we propose a dam bottom sand cleaning device. CONTENT OF THE UTILITY MODEL

[0005] 1. Technical problem to be solved

[0006] The utility model aims at providing a dam bottom sand cleaning device to solve the problem of the above background technology that the existing sand cleaning device roller is easily blocked and affects the normal use of the device.

[0007] 2. Technical scheme

[0008] A dam bottom sand cleaning device, comprising a filter box, a mounting frame is movably arranged on the inner side of the filter box, a filter plate is movably arranged on the inner side of the mounting frame, and the mounting frame is movably penetrated through the filter box and extends to the outer side on both sides, an opening for docking the mounting frame is provided on both sides of the filter box, a threaded rod is rotatably arranged on the inner side of the mounting frame, two opposite threads are arranged on the outer side of the threaded rod, a threaded block is sleeved on each of the two opposite threads on the outer side of the threaded rod, two groups of threaded blocks are movably penetrated through the mounting frame and extend to the outer side, a limiting block is fixedly arranged on the outer side of the mounting frame outside the threaded block, a limiting groove for docking the threaded block is provided on the inner side of the mounting frame, and a driving mechanism for docking the mounting frame is arranged on the outer side of the filter box.

[0009] Preferably, a worm is arranged on the inner side of the mounting frame, the worm is movably penetrated through the filter box and extends to the outer side, and the outer end of the worm is fixedly arranged with a rotating disc on the outer side of the filter box.

[0010] Preferably, a receiving groove for the limiting block is arranged on each side of the mounting frame, the limiting block is movably penetrated and inserted into the receiving groove, and the inner side of the mounting frame is fixedly arranged with a limiting frame for the filter plate.

[0011] Preferably, the driving mechanism comprises a mounting seat fixedly arranged on the outer side of the filter box, a mounting rod rotatably arranged on the inner side of the mounting seat, a protrusion fixedly sleeved on the outer side of the mounting rod, and a motor fixedly arranged on the outer side of the mounting seat, and the power end of the motor is movably penetrated through the mounting seat and fixedly connected with the mounting rod.

[0012] Preferably, a fixed cylinder is fixedly arranged on the inner side of the opening, a movable rod is movably inserted into the inner side of the fixed cylinder, the movable rod is movably penetrated through the fixed cylinder and extends to the outer side, and the outer end of the movable rod is fixedly connected with the mounting frame on the outer side of the fixed cylinder.

[0013] Preferably, a sand pumping pump is fixedly arranged on the outer side of the filter box, a sand pumping pipe is fixedly arranged on one side of the sand pumping pump, and a sand inlet pipe is fixedly arranged on the other side of the sand pumping pump, and the sand inlet pipe is penetrated through the filter box and extends to the inner side.

[0014] Preferably, a movable door is arranged on the outer side of the filter box, and a drain pipe is fixedly arranged on the lower side of the filter box.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The filter box, the mounting frame, the filter plate, the threaded rod, the threaded block, the limiting block and other mechanisms are arranged, and the mutual cooperation of various mechanisms makes it convenient to dewater the silt and also facilitates the mounting and dismounting of the filter plate, thereby facilitating the cleaning of the filter plate, facilitating the operation of the staff and ensuring the normal use of the device.

[0018] 2. The mounting seat, the mounting rod, the protrusion, the motor and the opening and other mechanisms are arranged, and the mutual cooperation of various mechanisms makes it convenient to drive the mounting frame and the filter plate to continuously vibrate up and down for dewatering, thereby ensuring the dewatering effect of the silt. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a side sectional structure schematic view of the utility model;

[0021] Figure 3 It is the side sectional view of the filter plate and the mounting frame of the utility model;

[0022] Figure 4 It is the schematic diagram of the driving mechanism of the utility model;

[0023] Figure 5 It is the schematic diagram of the filter plate mounting effect of the utility model;

[0024] Figure 6 It is the utility model Figure 5 It is the enlarged schematic diagram of structure A in the middle;

[0025] Label explanation in the figure: 1 filter box, 2 mounting frame, 3 filter plate, 4 threaded rod, 5 threaded block, 6 limit block, 7 limit slot, 8 storage groove, 9 worm, 10 rotating disc, 11 worm wheel, 12 limit frame, 13 mounting seat, 14 mounting rod, 15 protruding block, 16 motor, 17 opening, 18 fixed cylinder, 19 movable rod, 20 sand pumping pump, 21 sand pumping pipe, 22 sand inlet pipe, 23 movable door, 24 drain pipe. DETAILED DESCRIPTION

[0026] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0028] In the description of the utility model, it should be noted that, unless otherwise specifically specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] Please refer to Figures 1-6 , the utility model provides a technical scheme:

[0030] A dam bottom sand removal device includes a filter box 1, an installation frame 2 movably mounted inside the filter box 1, a filter plate 3 movably mounted inside the installation frame 2, and two sides of the installation frame 2 movably penetrating the filter box 1 and extending to the outside. Openings 17 for connecting to the installation frame 2 are provided on both sides of the filter box 1. A threaded rod 4 is rotatably mounted inside the installation frame 2, and two sections of threads in opposite directions are provided on the outer side of the threaded rod 4. Threaded blocks 5 are fitted onto the two sections of threads in opposite directions on the outer side of the threaded rod 4. Both sets of threaded blocks 5 movably penetrating the installation frame 2 and extending to the outside. A limiting block 6 is fixedly mounted on the outer part of the threaded blocks 5 located outside the installation frame 2. Two limiting grooves 7 for connecting to the threaded blocks 5 are provided inside the installation frame 2. A drive mechanism for connecting to the installation frame 2 is provided on the outer side of the filter box 1. By providing a filter plate 3 that can be easily loaded and unloaded, the device facilitates dewatering of sediment and cleaning of the filter plate 3, thereby ensuring normal operation.

[0031] Specifically, a worm gear 9 is rotatably installed inside the mounting frame 2. The worm gear 9 moves through the filter box 1 and extends to the outside. A turntable 10 is fixedly installed on the outer end of the worm gear 9 located on the outer part of the filter box 1. A worm wheel 11 is fixedly sleeved on the outer side of the threaded rod 4. The worm wheel 11 meshes with the worm gear 9. By rotating the turntable 10, the threaded rod 4 can be easily driven to rotate, improving the ease of use.

[0032] Furthermore, both sides of the mounting frame 2 are provided with storage slots 8 for the limiting block 6. The limiting block 6 is movably inserted into the storage slot 8, and a limiting frame 12 for docking the filter plate 3 is fixedly provided inside the mounting frame 2. The storage slot 8 can facilitate the storage of the limiting block 6, making it more convenient to pick up and put down the filter plate 3. At the same time, the limiting frame 12 can limit the filter plate 3, thereby improving the installation convenience and installation stability of the filter plate 3.

[0033] It is worth noting that the drive mechanism includes a mounting base 13 fixedly installed on the outside of the filter box 1. A mounting rod 14 is rotatably installed on the inside of the mounting base 13. A protrusion 15 is fixedly sleeved on the outside of the mounting rod 14. A motor 16 is fixedly installed on the outside of the mounting base 13. The power end of the motor 16 moves through the mounting base 13 and is fixedly connected to the mounting rod 14. By turning on the motor 16, the protrusion 15 can be driven to continuously squeeze the mounting frame 2, thereby facilitating the continuous up and down movement of the mounting frame 2 and the filter plate 3, improving the dewatering effect on the sediment.

[0034] It is worth noting that a fixed cylinder 18 is fixedly installed inside the opening 17, and a movable rod 19 is movably inserted into the inside of the fixed cylinder 18. The movable rod 19 movably passes through the fixed cylinder 18 and extends to the outside. The outer end of the movable rod 19 is fixedly connected to the mounting frame 2 at the outer part of the fixed cylinder 18. By setting the fixed cylinder 18 and the movable rod 19, the mounting frame 2 can be limited, which facilitates the movement of the mounting frame 2 while ensuring the installation stability of the mounting frame 2.

[0035] In addition, the filter box 1 outside is fixedly provided with a sand pump 20, one side of the sand pump 20 is fixedly provided with a sand pump pipe 21, and the other side of the sand pump 20 is fixedly provided with a sand inlet pipe 22, the sand inlet pipe 22 penetrates through the filter box 1 and extends to the inside, and the sand at the dam bottom can be conveniently pumped into the filter box 1 for dewatering by opening the sand pump 20, and the dewatering convenience of the sand is improved.

[0036] It has to be said that the filter box 1 outside is provided with a movable door 23, and the filter box 1 lower side is fixedly provided with a drain pipe 24, the filter plate 3 can be conveniently taken out from the filter box 1 by opening the movable door 23, and in addition, the water in the filter box 1 can be conveniently discharged by opening the valve of the drain pipe 24.

[0037] Working principle: first, fix the device at a suitable position of the sand cleaning ship, then insert the sand pump pipe 21 into the water and open the sand pump 20 and the motor 15, the sand pump 20 pumps the sand at the dam bottom into the filter box 1, at this time the motor 16 drives the mounting rod 14 and the lug 15 to rotate, the lug 15 rotates to extrude the mounting frame 2, so that the mounting frame 2 moves up and down constantly, the mounting frame 2 moves up and down to drive the filter plate 3 to move, so that the sand can be dewatered, the sand is discharged through the opening on one side of the filter plate 3, and the water in the sand is stored on the lower side of the mounting frame 2, and the water can be discharged by opening the valve on the drain pipe 24, when the filter plate 3 is blocked, the worm 9 is driven to rotate by rotating the rotating disc 10, the worm 9 drives the worm wheel 11 and the threaded rod 4 to rotate, at this time the two groups of threaded blocks 5 sleeved on the outer side of the threaded rod 4 move to both sides along the threaded rod 4 under the limiting action of the limiting groove 7, the limiting block 6 moves into the storage groove 8 when the threaded block 5 moves, at this time the filter plate 3 can be taken out from the limiting frame 12 for cleaning, and the cleaning convenience of the filter plate 3 is improved.

[0038] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, the above examples and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application, various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A sand clearing device for dam bottom, comprising a filter box (1), characterized in that: The filter box (1) is movably provided with a mounting frame (2) inside, the mounting frame (2) is movably provided with a filter plate (3) inside, and the mounting frame (2) is movably penetrated through the filter box (1) and extends to the outside on both sides, the filter box (1) is penetrated through and provided with an opening (17) on both sides for abutting the mounting frame (2), the mounting frame (2) is rotatably provided with a threaded rod (4) inside, the threaded rod (4) is provided with two opposite threads outside, and the threaded rod (4) is provided with a threaded block (5) on the two opposite threads outside, the two groups of threaded blocks (5) are movably penetrated through the mounting frame (2) and extend to the outside, and the threaded block (5) is fixedly provided with a limiting block (6) outside the mounting frame (2) outside, the mounting frame (2) is penetrated through and provided with a limiting groove (7) inside for abutting the threaded block (5), and the filter box (1) is provided with a driving mechanism for abutting the mounting frame (2) outside.

2. A sand trap according to claim 1, wherein: The mounting frame (2) is rotatably provided with a worm (9) inside, the worm (9) is movably penetrated through the filter box (1) and extends to the outside, and the worm (9) is fixedly provided with a rotating disc (10) on the outside end of the filter box (1) outside, the threaded rod (4) is fixedly provided with a worm wheel (11) outside, and the worm wheel (11) is engaged with the worm (9).

3. A sand trap according to claim 1, wherein: The mounting frame (2) is provided with a receiving groove (8) for abutting the limiting block (6) on both sides, the limiting block (6) is movably penetrated and inserted into the receiving groove (8), and the mounting frame (2) is fixedly provided with a limiting frame (12) inside for abutting the filter plate (3).

4. The sand clearing device of claim 1, wherein: The driving mechanism comprises a mounting seat (13) fixedly provided on the outside of the filter box (1), a mounting rod (14) rotatably provided inside the mounting seat (13), a protrusion (15) fixedly provided outside the mounting rod (14), and a motor (16) fixedly provided outside the mounting seat (13), and the power end of the motor (16) is movably penetrated through the mounting seat (13) and fixedly connected to the mounting rod (14).

5. The sand clearing device of claim 1, wherein: The opening (17) is fixedly provided with a fixed cylinder (18) inside, the fixed cylinder (18) is movably inserted with a movable rod (19) inside, the movable rod (19) is movably penetrated through the fixed cylinder (18) and extends to the outside, and the movable rod (19) is fixedly connected to the mounting frame (2) on the outside end of the fixed cylinder (18) outside.

6. A sand trap according to claim 1, wherein: The filter box (1) is fixedly provided with a sand pumping pump (20) outside, the sand pumping pump (20) is fixedly provided with a sand pumping pipe (21) on one side, and the sand pumping pump (20) is fixedly provided with a sand inlet pipe (22) on the other side, and the sand inlet pipe (22) is movably penetrated through the filter box (1) and extends to the inside.

7. The sand clearing device of claim 1, wherein: The filter box (1) is provided with a movable door (23) outside, and the filter box (1) is fixedly provided with a drain pipe (24) on the lower side. The filter box (1) is provided with a movable door (23) outside, and the filter box (1) is fixedly provided with a drain pipe (24) on the lower side.

Citation Information

Patent Citations

  • Dam bottom sediment cleaning device

    CN211200531U