Steel plate prefabricated sump
By using prefabricated steel plate sump boxes and stable support components, the complexity and uncertainty of traditional sump construction have been solved, achieving an efficient and stable basement drainage solution and improving construction quality and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI CHINA CONSTR ARCHITECTURAL DESIGN INST CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-05-15
AI Technical Summary
Traditional sump construction involves multiple complex steps and is easily affected by factors such as weather and the technical level of construction workers, making it difficult to guarantee construction quality. It is also time-consuming, costly, and difficult to maintain, affecting the use of basements and the safety of building structures.
A prefabricated steel plate sump is used, and the prefabricated box and stable support components, including long ribs, short ribs, fixing rods, and adjusting plate mechanisms, ensure stable support on uneven ground. Adjusting bolts and support bolts are used to adjust the angle and distance, enhance sealing and stability, and simplify the construction process.
Shorten the construction cycle, reduce maintenance costs, improve construction quality and safety, adapt to different ground conditions, extend service life, facilitate inspection and maintenance, and ensure the drainage needs of the basement.
Smart Images

Figure CN224243926U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of prefabricated water collection pit technology, specifically a prefabricated water collection pit made of steel plate. Background Technology
[0002] In basement construction, to effectively remove accumulated water and meet drainage needs, multiple sump pits are usually set up on the lowest level of the basement. Traditionally, sump pits are constructed using cast-in-place reinforced concrete, a relatively complicated process. First, the formwork must be installed precisely according to the design dimensions and positioning, requiring construction workers to have a high level of technical skill. The accuracy of the formwork installation directly affects the dimensional accuracy of the sump pit. Next, the reinforcement is tied, and the specifications, spacing, and tying method of the reinforcement must strictly follow the design requirements to ensure the structural strength of the sump pit. After the formwork installation and reinforcement tying are completed, concrete is poured.
[0003] During concrete pouring, it is necessary to control the pouring speed, height, and vibration quality to avoid quality problems such as honeycomb and pitted surface. After the concrete reaches the design strength, it is also necessary to plaster and level the inside of the sump. This step requires high skill from the construction workers, as the leveling quality directly affects the construction effect of the subsequent waterproof layer. Finally, the waterproof layer is constructed. Factors such as the uniformity and thickness of the material application during the waterproof layer construction process will affect the waterproof performance of the sump.
[0004] Traditional sump construction involves multiple complex steps, each of which may result in errors, leading to a large amount of on-site work and a long construction period. Moreover, the construction process is greatly affected by factors such as weather and the technical level of construction personnel, making it difficult to guarantee construction quality. Once quality problems occur, the later repair costs are high and the repair is difficult, which not only affects the normal use of the basement but may also threaten the overall structural safety of the building. Therefore, a precast steel plate sump is proposed to address the above problems. Utility Model Content
[0005] The purpose of this utility model is to provide a precast steel plate sump pit to solve the problems caused by the large amount of on-site work and long construction period due to the multiple complex steps involved in the construction of traditional sump pits, each of which may have construction errors. Moreover, the construction process is greatly affected by factors such as weather and the technical level of construction personnel, making it difficult to guarantee the construction quality. Once quality problems occur, the later maintenance costs are high and the maintenance is difficult, which not only affects the normal use of the basement, but may also threaten the overall structural safety of the building.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A precast steel plate sump includes a precast box body. A stabilizing support assembly is bolted to the bottom of the precast box body, and a protective cover is welded to the top of the precast box body. The stabilizing support assembly includes two long ribs, with two sets of short ribs fixedly connected between them. A first fixing rod is fixedly connected inside each set of short ribs. A connecting seat is hinged to the bottom of the inner side of the first fixing rod, and an adjusting plate mechanism is fixedly connected to the bottom of the connecting seat. Second reinforcing rods are fixedly connected to both sides inside each set of short ribs, with an adjusting bolt threaded to the middle of the inner side of the second reinforcing rod. Support rods are fixedly connected to the two corner areas on the outer side of each set of short ribs, and a reinforcing plate is fixedly connected to the bottom of each support rod. The support rods are fixedly connected to the outer side of the precast box body by bolts.
[0008] As a further optimization of this utility model, the adjusting plate mechanism includes an adjusting plate, with support blocks fixedly connected to both sides of the bottom end of the adjusting plate, and support bolts threadedly connected to both sides of the outer wall of the adjusting plate. The support bolts extend to the bottom of the adjusting plate, and a support ball is fixedly connected to the bottom end of the support bolts.
[0009] As a further optimization of this utility model, the first fixing rod is a three-section cuboid, the adjusting plate is located inside the second reinforcing rod, there is a gap between the lower surface of the adjusting plate and the lower surface of the second reinforcing rod, and the bottom end of the adjusting bolt extends to the top of the adjusting plate.
[0010] As a further optimization of this utility model, the two sets of short ribs are parallel to each other, the included angle between each set of short ribs and long ribs is 90°, the number of short ribs in each set is two, and the two short ribs are arranged symmetrically from left to right.
[0011] As a further optimization of this utility model, the angle between the support rod and the short rib is 90°, the vertical cross-sectional shape of the reinforcing plate is a right trapezoid, and the bottom end of the reinforcing plate is fixedly connected to the top end of the short rib.
[0012] As a further optimization of this utility model, a maintenance groove is provided at one corner of the top of the protective cover plate, and a maintenance cover plate is hinged to one side of the upper surface of the protective cover plate, with the maintenance cover plate located above the maintenance groove.
[0013] As a further optimization of this utility model, the support rod is fixedly connected to a rubber pad near the inner wall of the precast box, and the outer side of the rubber pad is in contact with the outer wall of the precast box.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] This invention solves the problem of quality and progress being difficult to guarantee due to various factors affecting the construction of traditional sump pits by setting up a prefabricated box, stable support components, and an adjusting plate mechanism. It effectively shortens the construction cycle, reduces the cost and difficulty of later maintenance, and the stable support components can adapt to different ground conditions. Through the coordinated action of components such as adjusting bolts and support bolts, it ensures that the sump pit can be stably stressed on uneven ground, prevents shaking, improves load-bearing capacity and stability, and ensures safe use. The setting of support rods and rubber pads enhances the sealing of the connection parts and extends the service life. The overall design facilitates inspection and maintenance, has good practicality and reliability, and can provide strong support for the water collection needs of basements and other places in buildings. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is an exploded structural diagram of the entire utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the stable support component of this utility model;
[0019] Figure 4 This utility model Figure 3 A schematic diagram of the structure at point A;
[0020] Figure 5 This is a front structural diagram of the adjusting plate mechanism of this utility model;
[0021] Figure 6 This is a schematic diagram of the back structure of the adjustment plate mechanism of this utility model.
[0022] In the diagram: 1. Precast box; 3. Protective cover; 4. Inspection slot; 5. Inspection cover; 6. Rubber pad;
[0023] 2. Stabilizing support assembly; 21. Long rib plate; 22. Short rib plate; 23. First fixing rod; 24. Connecting seat; 25. Adjusting plate mechanism; 26. Second reinforcing rod; 27. Adjusting bolt; 28. Support rod; 29. Reinforcing plate;
[0024] 251. Adjusting plate; 252. Support block; 253. Support bolt; 254. Support ball. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0027] Please see Figure 1-6 This utility model provides a technical solution:
[0028] A precast steel plate sump includes a precast box 1. A stabilizing support assembly 2 is bolted to the bottom of the precast box 1. A protective cover plate 3 is welded to the top of the precast box 1. A maintenance groove 4 is formed at one corner of the top of the protective cover plate 3. A maintenance cover plate 5 is hinged to one side of the upper surface of the protective cover plate 3, and the maintenance cover plate 5 is located above the maintenance groove 4. The stabilizing support assembly 2 includes two long ribs 21, and two sets of short ribs 22 are fixedly connected between the two long ribs 21. Each set of short ribs 22 is internally fixedly connected to... There is a first fixing rod 23, and a connecting seat 24 is hinged to the bottom of the inner side of the first fixing rod 23. An adjusting plate mechanism 25 is fixedly connected to the bottom end of the connecting seat 24. A second reinforcing rod 26 is fixedly connected to both sides inside each group of short ribs 22. An adjusting bolt 27 is threadedly connected to the middle of the inner side of the second reinforcing rod 26. A support rod 28 is fixedly connected to the two corner areas on the outer side of each group of short ribs 22. A reinforcing plate 29 is fixedly connected to the bottom of the support rod 28. The support rod 28 is fixedly connected to the outer side of the prefabricated box 1 by bolts.
[0029] As a further implementation of this solution, the adjusting plate mechanism 25 includes an adjusting plate 251. Support blocks 252 are fixedly connected to both sides of the bottom end of the adjusting plate 251. Support bolts 253 are threadedly connected to both sides of the outer wall of the adjusting plate 251. The support bolts 253 extend to the bottom of the adjusting plate 251. Support balls 254 are fixedly connected to the bottom end of the support bolts 253. By rotating the support bolts 253, the distance they extend into the ground can be changed, so that the support balls 254 can fit tightly against the ground. Even if there are depressions or protrusions in the ground, the adjusting plate 251 can be stably stressed, effectively improving the support effect of the sump pit on uneven ground and preventing the sump pit from shaking due to uneven ground.
[0030] As a further implementation of this solution, the first fixed rod 23 is a three-section cuboid, the adjusting plate 251 is located inside the second reinforcing rod 26, there is a gap between the lower surface of the adjusting plate 251 and the lower surface of the second reinforcing rod 26, the bottom end of the adjusting bolt 27 extends to the top of the adjusting plate 251, when the adjusting bolt 27 is rotated, its bottom end applies pressure to the upper surface of the adjusting plate 251, and the angle of the adjusting plate 251 is limited by friction, so as to achieve precise control of the tilt angle of the adjusting plate 251, thereby making the stable support component 2 better adapt to different ground conditions;
[0031] As a further implementation of this scheme, the two sets of short ribs 22 are parallel to each other, and the angle between each set of short ribs 22 and the long rib 21 is 90°. There are two short ribs 22 in each set, and the two short ribs 22 are arranged symmetrically from left to right. The arrangement of two symmetrical short ribs 22 in each set can evenly distribute the load transmitted from the precast box 1, avoid excessive local stress, and when bearing the pressure from the precast box 1, the symmetrical short ribs 22 can work with the long ribs 21 to evenly transmit the load to the ground, enhance the overall load-bearing capacity and stability of the stable support component 2, and ensure the safety of the sump pit during use.
[0032] As a further implementation of this scheme, the included angle between the support rod 28 and the short rib plate 22 is 90°, the vertical cross-section of the reinforcing plate 29 is a right trapezoid, the bottom end of the reinforcing plate 29 is fixedly connected to the top end of the short rib plate 22, and a rubber pad 6 is fixedly connected to the support rod 28 near the inner wall of the precast box 1. The outer side of the rubber pad 6 is in contact with the outer wall of the precast box 1. The rubber pad 6 can fill the tiny gaps between the support rod 28 and the outer wall of the precast box 1, which can enhance the sealing between the two, prevent rainwater, mud and sand from entering the connection part, and extend the service life of the sump.
[0033] Workflow: In the factory, steel plates are cut to the designed dimensions. During the cutting process, dimensional accuracy is strictly controlled to ensure that the dimensional deviation of the cut steel plates is within the allowable range. The cut steel plates are then assembled into prefabricated box 1 through welding. Next, following the conventional construction process, rebar is tied and concrete is poured to the design elevation of the bottom of the sump. Using hoisting equipment, the prefabricated stabilizing support assembly 2, which is adapted to the prefabricated box 1, is hoisted to the design position and elevation. The long ribs 21 and short ribs 22 in the stabilizing support assembly 2 are responsible for the overall support stability. The first fixing rod 23 and the adjusting plate mechanism 25 are used to reinforce the inner side of each group of short ribs 22. It should be noted that due to external factors, the height of the bottom of the sump is prone to errors. To prevent the stabilizing support assembly 2 from shaking due to uneven ground, a rotatable adjusting plate mechanism 25 is set below the second reinforcing rod 26 through a connecting seat 24. The plate mechanism 25 facilitates adjustment of the tilt angle with the ground. Specifically, by rotating the corresponding adjusting bolt 27, the bottom end of the adjusting bolt 27 is pressed against the upper surface of the adjusting plate 251, thereby limiting the angle of the adjusting plate 251. To improve the support effect between the middle of the adjusting plate 251 and the ground, the insertion distance of the support bolt 253 is adjusted to make the support ball 254 fit tightly with the ground. By adjusting the left and right corresponding adjusting plate mechanisms 25, the stabilizing support component 2 is made to be in a horizontal and stable state. Then, the hoisting equipment hoists the prefabricated box 1 above the stabilizing support component 2. The stabilizing support components 2 of the prefabricated box 1 are fixed together with bolts. Then, the support rod 28 is fixed to the prefabricated box 1 with bolts. Finally, the protective cover plate 3 is welded and fixed on the top of the prefabricated box 1 to ensure that the inspection cover plate 5 covers the inspection groove 4, is firmly installed, and can be opened and closed flexibly, which facilitates the later inspection and maintenance of the sump.
[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A precast steel plate sump, comprising a precast box (1), characterized in that: The bottom end of the prefabricated box (1) is fixed with a stable support assembly (2) by bolts, and the top end of the prefabricated box (1) is welded and fixed with a protective cover plate (3). The stabilizing support assembly (2) includes two long ribs (21), and two sets of short ribs (22) are fixedly connected between the two long ribs (21). A first fixing rod (23) is fixedly connected inside each set of short ribs (22). A connecting seat (24) is hinged to the bottom of the inner side of the first fixing rod (23). An adjusting plate mechanism (25) is fixedly connected to the bottom end of the connecting seat (24). A second reinforcing rod (26) is fixedly connected to both sides inside each set of short ribs (22). An adjusting bolt (27) is threaded to the middle of the inner side of the second reinforcing rod (26). A support rod (28) is fixedly connected to the two corner areas outside each set of short ribs (22). A reinforcing plate (29) is fixedly connected to the bottom of the support rod (28). The support rod (28) is fixedly connected to the outside of the prefabricated box (1) by bolts.
2. The precast steel plate sump pit according to claim 1, characterized in that: The adjusting plate mechanism (25) includes an adjusting plate (251), and support blocks (252) are fixedly connected to both sides of the bottom end of the adjusting plate (251). Support bolts (253) are threadedly connected to both sides of the outer wall of the adjusting plate (251). The support bolts (253) extend to the bottom of the adjusting plate (251), and support balls (254) are fixedly connected to the bottom end of the support bolts (253).
3. A precast steel plate sump pit according to claim 2, characterized in that: The first fixing rod (23) is a three-section cuboid. The adjusting plate (251) is located inside the second reinforcing rod (26). There is a gap between the lower surface of the adjusting plate (251) and the lower surface of the second reinforcing rod (26). The bottom end of the adjusting bolt (27) extends to the top of the adjusting plate (251).
4. A precast steel plate sump pit according to claim 1, characterized in that: The two sets of short ribs (22) are parallel to each other, and the angle between each set of short ribs (22) and long ribs (21) is 90°. There are two sets of short ribs (22), and the two sets of short ribs (22) are arranged symmetrically from left to right.
5. A precast steel plate sump pit according to claim 1, characterized in that: The included angle between the support rod (28) and the short rib plate (22) is 90°. The vertical cross-section of the reinforcing plate (29) is a right trapezoid. The bottom end of the reinforcing plate (29) is fixedly connected to the top end of the short rib plate (22).
6. A precast steel plate sump pit according to claim 1, characterized in that: A maintenance groove (4) is provided at one corner of the top of the protective cover plate (3), and a maintenance cover plate (5) is hinged to one side of the upper surface of the protective cover plate (3), with the maintenance cover plate (5) located above the maintenance groove (4).
7. A precast steel plate sump pit according to claim 1, characterized in that: The support rod (28) is fixedly connected to the inner wall of the precast box (1) with a rubber pad (6), and the outer side of the rubber pad (6) is in contact with the outer wall of the precast box (1).