Device for preventing leakage of elevator shaft from concrete structure construction

By using welding combination of steel bars and water-stop steel plates in elevator shafts, lap welding and water-stop steel plates, combined with the use of drainage tanks and stir-frying sewage pumps, the problem of anti-leakage in elevator shafts in high humidity and temperature changes is solved, effective water isolation and sewage treatment are achieved, and maintenance costs and operation difficulties are reduced.

CN222847392UActive Publication Date: 2025-05-09TIANJIN JINGGONG ELEVATOR CONSTR CO LTD
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Patent Information

Application Number
CN202421858184.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-02
Publication Date
2025-05-09
Estimated Expiration
2034-08-02

AI Technical Summary

Technical Problem

The performance and life of mechanical components of the existing elevator shaft anti-seepage water structures are affected under the environment of high humidity and temperature changes, and cannot effectively prevent large amounts of water flow or severe leakage into the elevator shaft.

Method used

The welding combination of steel bars and water-stop steel plates is adopted, and the overlap welding enhances structural stability and sealing. The water-stop steel plate is set at the joints of the concrete wall and the bottom plate, combined with the slit connection and sealing treatment of the drain tank and the drain pipe, and a stirring sewage pump is installed to collect and stir sewage, and discharge it through the pumping pipe and the outlet pipe.

Benefits of technology

Effectively prevent moisture penetration, enhance the water resistance and durability of the structure, ensure the smooth flow of the drainage system and prevent water leakage, timely treat sewage, prevent water pollution, and reduce maintenance costs and operation difficulties.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222847392U_ABST
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Abstract

The utility model provides an elevator shaft anti-seepage device from concrete structure construction, which comprises a base layer and an anti-seepage mechanism, a water stop steel plate is arranged on the inner side of a steel bar, a short bar is arranged on the outer side of the water stop steel plate, a drainage groove is arranged at the top end of a concrete bottom plate, and a sewage stirring pump is arranged at the top end of a water collecting well. Water permeation can be effectively prevented through welding cooperation of the reinforcing steel bars and the water stop steel plates, the stability and sealing performance of the structure are enhanced through lap welding between the water stop steel plates, the water stop steel plates are also arranged at the joints between the concrete wall and the concrete bottom plate, water permeation at the joints is effectively prevented, and the service life of the concrete wall is prolonged. The drainage groove and the drainage pipe are connected and sealed through a clamping groove, smoothness of a drainage system is guaranteed, water leakage is prevented, the uniform stirring sewage pump is installed at the top end of the water collecting well, the uniform stirring sewage pump collects and stirs sewage in the elevator shaft, the sewage and sediment in leaked water are stirred uniformly, blocking is prevented, the sewage is pumped out through the water pumping pipe, and water leakage is avoided. And the device is simple in overall structure and convenient to maintain.
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Description

Technical Field

[0001] The utility model relates to the technical field of elevator shaft anti-leakage, in particular to an elevator shaft anti-leakage device that solves the problem of elevator shaft anti-leakage through concrete structure construction. Background Art

[0002] The elevator shaft is the passage where the elevator is installed. The size of the shaft is determined according to the elevator selection. Elevator tracks and counterweight tracks are installed on the shaft wall, elevator doors are installed in the reserved door openings, and there is an elevator machine room on the top of the shaft. The elevator shaft is a necessary building area for residential and commercial buildings. Water seeps into the elevator shaft not only from groundwater that infiltrates through pressure, but also from water leaking from the outside that seeps into the elevator shaft from the side through cement mortar.

[0003] According to the search announcement number: CN218204504U, a deep foundation pit elevator shaft water seepage prevention structure includes a base, an elevator shaft is arranged on the base, a support plate is arranged on the elevator shaft, a drainage component is arranged in the support plate, a bearing is arranged in the drainage component, a support seat is arranged in the drainage component, a guide rod is arranged in the drainage component, and the drainage component includes a drainage groove, the drainage groove is opened in the support plate, an inclined plate is arranged in the drainage groove, and two baffles are fixedly connected to the inclined plate. The deep foundation pit elevator shaft water seepage prevention structure, by arranging the drainage component, the water flow can be diverted during use, so that the water flow is discharged outward along the specified direction, and the drainage component can accelerate the discharge rate of the water flow, thereby reducing the phenomenon of water accumulation in the elevator shaft, and then avoiding the water flow from affecting the normal working process.

[0004] However, the following problems exist when implementing the above technical solution: although the water flow is moved by the drainage assembly and the motor-driven screw in the above technical solution, in actual application, the mechanical structure will be restricted by the elevator shaft environment. Environmental factors such as high humidity and temperature changes affect the performance and life of mechanical components, requiring more frequent maintenance and inspection. In addition, the main design purpose of the structure is drainage, and its core is drainage rather than effectively preventing water leakage. If a large amount of water flow or severe leakage is encountered, it is impossible to effectively prevent water from entering the elevator shaft. Utility Model Content

[0005] The purpose of the utility model is to provide an elevator shaft anti-leakage device for solving the problem in the above-mentioned background technology through concrete structure construction.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for preventing leakage of an elevator shaft from concrete structure construction, comprising a base layer and an anti-leakage mechanism, wherein cement mortar is arranged on the top of the base layer, floor tiles are arranged on the top of the cement mortar, an anti-leakage mechanism is arranged on the right side of the floor tiles, a concrete wall is arranged on the right side of the floor tiles, a concrete bottom plate is arranged at the bottom of the concrete wall, steel bars are arranged inside the concrete wall, a water-stop steel plate is arranged on the inner side of the steel bars, short bars are arranged on the outer side of the water-stop steel plate, a waterproof coating is arranged on the inner side of the concrete wall, a drainage ditch is opened on the top of the concrete bottom plate, a drainage pipe is arranged on the right end of the drainage ditch, a water collection well is arranged on the right side of the drainage pipe, a sewage mixing pump is arranged on the top of the water collection well, a suction pipe is arranged at the bottom of the sewage mixing pump, and a water outlet pipe is arranged on the top of the sewage mixing pump.

[0007] Preferably, the concrete wall is cast with four walls, the surface of the concrete wall is coated with a waterproof coating, and the top side surface of the concrete bottom plate is coated with a waterproof coating.

[0008] Preferably, the waterstop steel plates are welded to the steel bars through short ribs, the waterstop steel plates are lap welded, the waterstop steel plates are arranged inside the concrete wall, located on the right side of the joint between the cement mortar and the floor tiles, multiple groups of the waterstop steel plates are arranged, and the waterstop steel plates are arranged at the joint between the concrete wall and the concrete bottom plate.

[0009] Preferably, a drainage groove is provided at the top of the concrete bottom plate, the drainage groove and the drainage pipe are connected by a slot, and the connection between the drainage groove and the drainage pipe is sealed.

[0010] Preferably, the water collection well and the sewage mixing pump are connected by screws, and the sewage mixing pump is a JYWQ automatic mixing and non-clogging sewage pump.

[0011] Preferably, the sewage mixing pump and the water suction pipe are connected by a flange, and the sewage mixing pump and the water suction pipe are tightly fitted.

[0012] Preferably, the sewage mixing pump and the water outlet pipe are connected by a flange, and the sewage mixing pump fits tightly against the water outlet pipe.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The welding coordination of steel bars and water-stop steel plates enables it to effectively prevent moisture penetration. The lap welding between the water-stop steel plates enhances the stability and sealing of the structure. Water-stop steel plates are also provided at the joints between the concrete wall and the concrete base plate to effectively prevent moisture penetration at the joints. The drain trough and drain pipe are connected and sealed by slots to ensure the smooth flow of the drainage system and prevent water leakage. A sewage mixing pump is installed on the top of the water collection well. The sewage mixing pump collects and stirs sewage in the elevator shaft to mix the sewage and sediment in the leaking water evenly to prevent blockage. The sewage is pumped out through the suction pipe and then discharged through the outlet pipe. The sewage mixing pump adopts the JYWQ automatic stirring non-clogging sewage pump model. The flange connection ensures a close fit between the suction pipe and the outlet pipe, effectively preventing leakage and sewage backflow. The overall structure is simple and easy to maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the wall of the utility model;

[0017] Figure 3 It is a schematic diagram of a partial cross-sectional structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the enlarged structure of point A of the utility model.

[0019] Numbers in the figure: 1. base layer; 2. cement mortar; 3. floor tiles; 4. anti-leakage mechanism; 401. concrete wall; 402. concrete base plate; 403. steel bars; 404. water-stop steel plate; 405. short bars; 406. waterproof coating; 407. drainage trough; 408. drainage pipe; 409. water collection well; 410. sewage mixing pump; 411. suction pipe; 412. outlet pipe. 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 1-4The utility model provides a technical solution: a device for preventing leakage of an elevator shaft from concrete structure construction, comprising a base layer 1 and an anti-leakage mechanism 4, a cement mortar 2 is arranged on the top of the base layer 1, a floor tile 3 is arranged on the top of the cement mortar 2, an anti-leakage mechanism 4 is arranged on the right side of the floor tile 3, a concrete wall 401 is arranged on the right side of the floor tile 3, a concrete bottom plate 402 is arranged at the bottom of the concrete wall 401, a steel bar 403 is arranged inside the concrete wall 401, and a water-stop steel bar is arranged inside the steel bar 403. Plate 404, short ribs 405 are arranged on the outer side of the water-stop steel plate 404, a waterproof coating 406 is arranged on the inner side of the concrete wall 401, a drainage groove 407 is opened on the top of the concrete bottom plate 402, a drainage pipe 408 is arranged on the right end of the drainage groove 407, a water collection well 409 is arranged on the right side of the drainage pipe 408, a sewage mixing pump 410 is arranged on the top of the sewage mixing pump 410, a suction pipe 411 is arranged at the bottom of the sewage mixing pump 410, and a water outlet pipe 412 is arranged on the top of the sewage mixing pump 410.

[0022] Furthermore, the concrete wall 401 is cast with four walls, the surface of the concrete wall 401 is coated with a waterproof coating 406, and the top surface of the concrete base plate 402 is coated with a waterproof coating 406. Through such a setting, the concrete structure is protected from erosion by the humid environment, the service life of the structure is extended, the maintenance cost and repair frequency are reduced, and the reliability and stability of the structure are improved.

[0023] Furthermore, the waterstop steel plates 404 are welded to the steel bars 403 through short ribs 405, and the waterstop steel plates 404 are lap welded. The waterstop steel plates 404 are arranged inside the concrete wall 401, and are located on the right side of the joint between the cement mortar 2 and the floor tile 3. There are multiple groups of waterstop steel plates 404, and the waterstop steel plates 404 are arranged at the joint between the concrete wall 401 and the concrete bottom plate 402. Through such an arrangement, water leakage at the joint between the cement mortar 2 and the floor tile 3 outside the elevator shaft can be effectively prevented, the structure can be kept dry, and the water resistance and durability of the structure can be enhanced.

[0024] Furthermore, a drainage groove 407 is opened at the top of the concrete base plate 402, and the drainage groove 407 and the drainage pipe 408 are connected by a slot, and the connection between the drainage groove 407 and the drainage pipe 408 is sealed. Through such an arrangement, the accumulated water in the elevator shaft can be effectively removed, and the corrosion or structural damage caused by water accumulation can be prevented, so that the elevator shaft can be kept clean and dry, and the safety can be improved.

[0025] Furthermore, the sump 409 is connected to the sewage mixing pump 410 by screws. The sewage mixing pump 410 is a JYWQ automatic mixing non-clogging sewage pump. Through such a setting, the sewage in the elevator shaft can be discharged in time to prevent water pollution, improve sewage treatment efficiency, and reduce maintenance costs and operating difficulties.

[0026] Furthermore, the sewage mixing pump 410 and the water suction pipe 411 are flange-connected, and the sewage mixing pump 410 fits tightly against the water suction pipe 411. Such an arrangement ensures a tight and reliable connection, prevents leakage or looseness of the sewage mixing pump 410 during operation, and improves stability and safety.

[0027] Furthermore, the sewage mixing pump 410 and the outlet pipe 412 are flange-connected, and the sewage mixing pump 410 fits tightly against the outlet pipe 412. Such an arrangement ensures the sealing and safety of the outlet, prevents sewage from leaking at the connection of the outlet pipe 412, and ensures the effective operation of the sewage mixing pump 410.

[0028] Working principle: First, the anti-leakage mechanism 4 on the right side of the floor tile 3 includes a concrete wall 401, a concrete bottom plate 402, and internal steel bars 403 and a water-stopping steel plate 404. The welding of the steel bars 403 and the water-stopping steel plate 404 effectively prevents water from penetrating. The lap welding between the water-stopping steel plates 404 enhances the stability and sealing of the structure. The joint between the concrete wall 401 and the concrete bottom plate 402 is also provided with a water-stopping steel plate 404 to effectively prevent water from penetrating at the joint. The drainage groove 407 and the drainage pipe 408 are connected and sealed by a slot to ensure the smooth flow of the drainage system and prevent leakage. A sewage mixing pump 410 is installed on the top of the water collection well 409. The sewage mixing pump 410 collects and mixes sewage in the elevator shaft to evenly mix the sewage and sediment in the leaking water to prevent clogging. The sewage is pumped out through the suction pipe 411 and then discharged through the outlet pipe 412. The sewage mixing pump 410 adopts the JYWQ automatic stirring non-clogging sewage pump model. The flange connection ensures a close fit between the suction pipe 411 and the outlet pipe 412, effectively preventing leakage and sewage backflow. The overall structure is simple and easy to maintain. In this way, a use process of solving the elevator shaft anti-leakage device from the concrete structure construction is completed.

[0029] 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. A device for preventing leakage in an elevator shaft by means of concrete structure construction, comprising a base layer (1) and an anti-leakage mechanism (4), characterized in that: The top of the base layer (1) is provided with a cement mortar (2), the top of the cement mortar (2) is provided with a floor tile (3), the right side of the floor tile (3) is provided with an anti-leakage mechanism (4), the right side of the floor tile (3) is provided with a concrete wall (401), the bottom of the concrete wall (401) is provided with a concrete bottom plate (402), the concrete wall (401) is provided with a steel bar (403) inside, the steel bar (403) is provided with a water stop steel plate (404) inside, and the water stop steel plate (404) is provided with a short rib (405) outside. ), a waterproof coating (406) is provided on the inner side of the concrete wall (401), a drainage groove (407) is provided on the top of the concrete bottom plate (402), a drainage pipe (408) is provided on the right end of the drainage groove (407), a water collection well (409) is provided on the right side of the drainage pipe (408), a sewage mixing pump (410) is provided on the top of the sewage mixing pump (410), a water pump (411) is provided at the bottom of the sewage mixing pump (410), and a water outlet pipe (412) is provided on the top of the sewage mixing pump (410).

2. According to claim 1, a device for preventing leakage of elevator shafts from concrete structure construction, characterized in that: The concrete wall (401) is cast with four walls, the surface of the concrete wall (401) is coated with a waterproof coating (406), and the top surface of the concrete bottom plate (402) is coated with a waterproof coating (406).

3. The device for preventing leakage of elevator shafts from concrete structure construction according to claim 1 is characterized in that: The waterstop steel plate (404) is welded to the steel bar (403) through short bars (405), and the waterstop steel plates (404) are overlap-welded. The waterstop steel plates (404) are arranged inside the concrete wall (401) and are located on the right side of the joint between the cement mortar (2) and the floor tile (3). There are multiple groups of waterstop steel plates (404), and the waterstop steel plates (404) are arranged at the joint between the concrete wall (401) and the concrete bottom plate (402).

4. The device for preventing leakage of elevator shafts from concrete structure construction according to claim 1 is characterized in that: A drainage groove (407) is provided at the top of the concrete bottom plate (402), and the drainage groove (407) and the drainage pipe (408) are connected by a clamping groove, and the connection between the drainage groove (407) and the drainage pipe (408) is sealed.

5. The device for preventing leakage of elevator shafts from concrete structure construction according to claim 1 is characterized in that: The water collection well (409) is connected to the sewage mixing pump (410) by screws. The sewage mixing pump (410) is a JYWQ automatic sewage mixing pump without clogging.

6. The device for preventing leakage of elevator shafts by concrete structure construction according to claim 1 is characterized in that: The sewage mixing pump (410) and the water pumping pipe (411) are flange-connected, and the sewage mixing pump (410) and the water pumping pipe (411) are tightly fitted.

7. The device for preventing leakage of elevator shafts by using concrete structure construction according to claim 1 is characterized in that: The sewage mixing pump (410) and the water outlet pipe (412) are flange-connected, and the sewage mixing pump (410) and the water outlet pipe (412) are tightly fitted.

Citation Information

Patent Citations

  • Anti-seepage structure of elevator shaft of deep foundation pit

    CN218204504U