Trash blocking device for water inlet of hoisting shaft

Abstract

A trash holding device for a water inlet of a hoisting shaft relates to the technical field of sewage treatment and comprises a guide mechanism, a trash holding tank is in sliding fit with the guide mechanism and comprises a lower tank body and an upper trash holding grating, a trash inlet is formed in one side, close to the water inlet, of the upper trash holding grating, and a trash outlet is formed in the other side of the upper trash holding grating. A middle partition plate is arranged at the joint of the upper trash holding grating and the lower box body, and the upper trash holding grating and the lower box body can be partially blocked through the middle partition plate so that a trash falling opening can be formed. According to the utility model, efficient interception and convenient cleaning of dirt can be realized. The guide mechanism is in sliding fit with the trash holding box, and the middle partition plate is obliquely designed, so that dirt falls into the lower box body and cannot be taken away by water flow. The connection of the hanging ring and the steel wire rope enables the trash holding box to lift easily, and regular cleaning of trash is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sewage intercepting device at a water inlet of a lifting well. Background Art

[0002] The core function of a lifting well is to efficiently lift underground water resources or other liquid media to the surface. It is widely used in urban water supply systems, drainage networks, and various industrial production processes. It is an indispensable infrastructure to ensure the recycling of urban water resources and environmental protection. During the actual operation of the lifting well, its sewage inlet is prone to the invasion of large particles of solid dirt. These dirt may not only contain various impurities such as domestic garbage, gravel, and mud, but may also carry harmful substances, posing a potential threat to the normal operation of the lifting well, resulting in increased equipment wear, reduced efficiency, and even serious consequences such as blockage and pollution, which in turn affects the water circulation system and environmental quality of the entire city.

[0003] Trash racks are commonly installed at water inlets to physically block waste from entering the lift shaft. For example, the movable trash rack disclosed in Chinese Patent CN105735217B, while effective to a certain extent, is essentially a "blocking" rather than "clearing" mechanism. This means that while waste is temporarily blocked at the water inlet, it can easily accumulate there, causing blockage. This in turn increases the risk of inlet blockage and impacts the normal operation of the lift shaft. Utility Model Content

[0004] The purpose of the present invention is to solve the problems raised in the above background technology, and then proposes a sewage blocking device for the water inlet of a lifting well.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A dirt blocking device for the water inlet of a lifting well comprises a guide mechanism, a dirt blocking box is slidably fitted on the guide mechanism, the dirt blocking box comprises a lower box body and an upper dirt blocking grille, the guide mechanism is fixedly connected to the inner wall of the lifting well, a water inlet is formed on the inner wall of the lifting well, a water inlet is provided at the water inlet, a dirt inlet is formed on the side of the upper dirt blocking grille close to the water inlet, a middle partition is provided at the junction of the upper dirt blocking grille and the lower box body, the middle partition can partially block the upper dirt blocking grille and the lower box body to form a dirt drop outlet.

[0007] Furthermore, the end portion of the middle partition is inclined obliquely toward the lower box body.

[0008] Furthermore, a lifting ring is provided on the top of the dirt-blocking box, and a steel wire rope is installed on the lifting ring.

[0009] Furthermore, the guide mechanism includes a guide groove, and guide blocks are provided on both sides of the dirt-blocking box. The guide blocks are inserted into the guide groove and move vertically along the guide groove.

[0010] Furthermore, a limiting plate is provided at the lower end of the guide groove.

[0011] Furthermore, when the bottom of the trash box abuts against the limiting plate, the trash inlet of the upper trash grille matches the water inlet.

[0012] Furthermore, the lower box body includes a left plate, a right plate, a bottom plate and two side plates, and the left plate, the right plate and the two side plates form a rectangular frame. A bottom plate is provided at the bottom of the rectangular frame, and a slag outlet is provided at the center of the bottom plate. A sealing plate is rotatably connected to the bottom of the bottom plate, and the sealing plate is fixed to the bottom plate by bolts.

[0013] Furthermore, a fine filter is provided in the middle of the blocking plate.

[0014] Furthermore, the upper trash grille includes a plurality of grid rods, and a top plate is provided on the top of the grid rods.

[0015] Compared with the existing technology, the present invention has the following advantages: it can achieve efficient interception and convenient cleaning of waste. The sliding fit between the guide mechanism and the waste box, as well as the tilted design of the middle partition, ensure that waste can fall smoothly into the lower box without being carried away by the water flow. At the same time, the connection between the lifting ring and the wire rope allows the waste box to be easily raised and lowered, facilitating regular cleaning of waste. The design of the slag outlet and the rotatable sealing plate of the lower box, as well as the provision of a fine filter, further improve the efficiency and convenience of waste cleaning, while ensuring effective filtration of water. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 Schematic diagram of the structure of the guide mechanism;

[0018] Among them: 1 lifting shaft, 11 water inlet, 2 water inlet pipe, 3 guide mechanism, 31 limit plate, 32 guide block, 33 guide groove, 4 trash box, 41 lower box body, 411 left plate, 412 right plate, 413 side plate, 414 bottom plate, 415 slag outlet, 42 upper trash grille, 421 grid rod, 422 top plate, 423 trash inlet, 43 middle partition, 44 dirt drop outlet, 45 sealing plate, 451 fine filter screen, 452 bolts, 51 lifting ring, 52 wire rope. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. The present invention is further described in conjunction with the drawings and embodiments:

[0020] like Figure 1-Figure 2 As shown, a dirt blocking device at the water inlet of a lifting well comprises a guide mechanism 3, a dirt blocking box 4 is slidably fitted on the guide mechanism, the dirt blocking box comprises a lower box body 41 and an upper dirt blocking grille 42, the guide mechanism is fixedly connected to the inner wall of the lifting well 1, a water inlet 11 is formed on the inner wall of the lifting well, a water inlet pipe 2 is provided at the water inlet, a dirt inlet 423 is formed on the side of the upper dirt blocking grille close to the water inlet, a middle partition 43 is provided at the junction of the upper dirt blocking grille and the lower box body, the middle partition can partially block the upper dirt blocking grille and the lower box body to form a dirt drop outlet 44.

[0021] The solution is refined, and the end of the middle partition is inclined obliquely toward the lower box body.

[0022] In at least one embodiment, a lifting ring 51 is provided on the top of the trash box, and a steel wire rope 52 is installed on the lifting ring. The steel wire rope can be connected to a traction device to enable the trash box to slide vertically along the guide mechanism.

[0023] In at least one embodiment, the guide mechanism includes a guide groove 33, and in conjunction with the guide groove, guide blocks 32 are provided on both sides of the dirt trap box. The guide blocks are inserted into the guide groove and move vertically along the guide groove.

[0024] Furthermore, a limiting plate 31 is provided at the lower end of the guide groove.

[0025] The solution is refined. When the bottom of the trash box abuts against the limit plate, the trash inlet of the upper trash grille cooperates with the water inlet.

[0026] In at least one embodiment, the lower box body includes a left plate 411, a right plate 412, a bottom plate 414 and two side plates 413, and the left plate, right plate and two side plates form a rectangular frame, a bottom plate is provided at the bottom of the rectangular frame, a slag outlet 415 is provided at the center of the bottom plate, and a sealing plate 45 is rotatably connected to the bottom of the bottom plate, and the sealing plate is fixed to the bottom plate by bolts 452.

[0027] Furthermore, a fine filter 451 is provided in the middle of the blocking plate, and the fine filter can filter water while retaining dirt in the lower box.

[0028] In at least one embodiment, the upper trash screen includes a plurality of grid bars 421 , and a top plate 422 is provided on top of the grid bars.

[0029] To understand how it works, first, a guide mechanism is fixed to the inner wall of the hoistway. This guide mechanism includes guide grooves that guide the vertical movement of the trash box. The trash box is inserted into the guide grooves using guide blocks on either side, ensuring vertical movement along the grooves. A lifting ring is installed at the top of the trash box, which is connected to a traction device via a wire rope. This allows the traction device to easily control the raising and lowering of the trash box.

[0030] The trash box is slid vertically along the guide mechanism to the appropriate position by the traction equipment. When the bottom of the trash box rests against the limit plate at the lower end of the guide groove, ensure that the sewage inlet of the upper trash grille matches the water inlet on the inner wall of the lifting shaft. During the water intake process, the dirt enters the sewage inlet of the upper trash grille with the water flow and is intercepted by the grille rod. Part of the dirt falls into the lower box body through the dirt drop port. As the dirt accumulates, the trash box can be regularly lifted by the traction equipment to bring the dirt out of the water for cleaning. The bottom of the lower box body is provided with a slag outlet and a rotatable sealing plate. The sealing plate can be opened by unbolting the bolts to facilitate the cleaning of the dirt in the lower box body. A fine filter is provided in the middle of the sealing plate, which can filter out water during cleaning and retain only dirt.

[0031] Regularly check the integrity of the guide mechanism, dirt trap, and traction equipment to ensure that all components are securely connected and operating smoothly. Regularly clean the dirt trap to prevent excessive accumulation that could affect the interception effect. Check the integrity of the fine filter and replace any damaged filters promptly.

[0032] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A sewage interception device for a lifting well water inlet, characterized in that: It includes a guide mechanism, which is slidably fitted with a trash box, and the trash box includes a lower box body and an upper trash grille. The guide mechanism is fixedly connected to the inner wall of the lifting shaft, and a water inlet is formed on the inner wall of the lifting shaft. A water inlet pipe is provided at the water inlet, and a sewage inlet is formed on the side of the upper trash grille close to the water inlet. A middle partition is provided at the junction of the upper trash grille and the lower box body, and the middle partition can partially block the upper trash grille and the lower box body to form a sewage drop outlet.

2. The lifting well water inlet sewage intercepting device according to claim 1, characterized in that: The guide mechanism comprises a guide groove, and guide blocks are provided on both sides of the dirt-blocking box. The guide blocks are inserted into the guide groove and move vertically along the guide groove.

3. The lifting well water inlet pollution intercepting device according to claim 2, characterized in that: A limiting plate is provided at the lower end of the guide groove.

4. The lifting well water inlet pollution intercepting device according to claim 3, characterized in that: When the bottom of the trash box abuts against the limiting plate, the trash inlet of the upper trash grille matches the water inlet.

5. The lifting shaft water inlet trash intercepting device according to any one of claims 1 to 4, characterized in that: The lower box body includes a left plate, a right plate, a bottom plate and two side plates, and the left plate, the right plate and the two side plates form a rectangular frame. A bottom plate is provided at the bottom of the rectangular frame, and a slag outlet is provided at the center of the bottom plate. A sealing plate is rotatably connected to the bottom of the bottom plate, and the sealing plate is fixed to the bottom plate by bolts.

6. The lifting well water inlet pollution intercepting device according to claim 5, characterized in that: A fine filter is provided in the middle of the blocking plate.

7. The lifting well water inlet pollution intercepting device according to claim 1, characterized in that: The upper trash screen comprises a plurality of grid rods, and a top plate is provided on the top of the grid rods.

8. The lifting well water inlet sewage intercepting device according to claim 1, characterized in that: The end portion of the middle partition is inclined obliquely toward the lower box body.

9. The lifting well water inlet sewage intercepting device according to claim 1, characterized in that: A lifting ring is provided on the top of the dirt-blocking box, and a steel wire rope is installed on the lifting ring.

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