Double-layer steel sheet pile cofferdam
By using a double-layer sheet pile structure and a liquid level sensor alarm system, the problems of traditional sheet pile cofferdams being susceptible to impact and pressure deformation are solved, achieving a buffering effect on the retaining structure. This solves the problems of traditional single-layer sheet pile cofferdams, improves construction safety and monitoring efficiency.
Patent Information
- Application Number
- CN202520080333.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Traditional single-layer steel sheet pile cofferdams are prone to deformation due to external water flow impact and pressure, and it is not convenient to monitor the water level inside the cofferdam, making it difficult for personnel to deal with the problem of rising water level in a timely manner.
It adopts a double-layer steel sheet pile structure, uses sealing rubber strips and plug strips for sealing, and combines buffer springs and dampers for buffering. It is equipped with a liquid level sensor and alarm to monitor the water level in real time and issue an alarm.
It effectively buffers external water pressure and impact, prevents steel plate deformation, ensures the retaining effect, and enables real-time monitoring and timely alarm of the water level inside the cofferdam, thereby improving construction safety.
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Figure CN223688945U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of cofferdams, in particular to a double-layer steel sheet pile cofferdam. BACKGROUND
[0002] The cofferdam refers to a temporary enclosure structure built for the construction of permanent water conservancy facilities in water conservancy construction. Its function is to prevent water and soil from entering the construction site of the building, so as to drain water in the cofferdam, excavate the foundation pit, and build the building. It is generally mainly used in hydraulic construction, and the cofferdam is generally removed after use. The cofferdam is higher than the highest water level that may occur during the construction period. In the cofferdam construction, steel plates are often used for enclosure.
[0003] However, the traditional steel sheet pile cofferdam mostly uses single-layer steel plates for enclosure. External water flow impact and pressure are easy to cause the steel plate to deform, thereby affecting the cofferdam construction, and it is not convenient to monitor the water level inside the cofferdam. When the water level height rises, personnel have difficulty in timely discovery and processing. CONTENT OF THE UTILITY MODEL
[0004] The application provides a double-layer cofferdam to solve the problem that external water flow impact and pressure are easy to cause the steel plate to deform, thereby affecting the cofferdam construction, and it is not convenient to monitor the water level inside the cofferdam. When the water level height rises, personnel have difficulty in timely discovery and processing.
[0005] The application provides a double-layer steel sheet pile cofferdam, which comprises a fixed pile column, both sides of the fixed pile column are provided with a insertion slot, a sealing rubber strip is fixedly arranged on the inner wall of the insertion slot, an insertion strip is inserted into the sealing rubber strip, a first steel plate is fixedly arranged on one side of the insertion strip, a buffer spring is fixedly arranged on one side of the first steel plate, a damper is sleeved in the buffer spring, a second steel plate is fixedly arranged on one side of the buffer spring, a connecting column is fixedly arranged on one side of the second steel plate, a buffer arc plate is fixedly arranged on one end of the connecting column, a liquid level sensor is fixedly installed on the top of the surface of the fixed pile column, a support frame is fixedly arranged on the top of the fixed pile column, and an alarm is fixedly arranged on the top surface of the support frame.
[0006] Preferably, the number of the buffer springs and dampers is four groups, the four groups of buffer springs and dampers are distributed in a rectangular array, one end of the damper is fixedly connected with the first steel plate, the other end of the damper is fixedly connected with the second steel plate, and the damper is used for consuming the energy storage of the buffer spring.
[0007] Preferably, a fixed strip is fixedly arranged on the bottom of the first steel plate, a plurality of fixed studs are movably arranged on the top surface of the fixed strip, and the fixed studs are used for fixing the fixed strip.
[0008] Preferably, the number of connecting columns is two groups and is arranged in an axial direction, and the bottom of the fixed pile is fixedly provided with a ground anchoring cone for fixing the fixed pile.
[0009] Preferably, one side of the liquid level sensor is electrically connected with a controller, one side of the controller is electrically connected with an alarm, and the controller is fixedly installed on the top of the outer surface of the fixed pile, and the alarm can timely send an alarm when the water level is high.
[0010] Preferably, one side of the liquid level sensor is electrically connected with a connecting line, and one end of the connecting line is electrically connected with a probe for monitoring the water level.
[0011] Preferably, the first steel plate is fixedly provided with a splicing strip on the side away from the insertion strip, the surface of the sealing rubber strip is provided with a splicing groove, the splicing groove is matched with the insertion strip and the splicing strip, and the splicing groove facilitates splicing of the first steel plate. Beneficial effects
[0012] Considering that external water flow impact and pressure can easily cause the steel plate to deform and it is inconvenient to monitor the water level inside the cofferdam, and personnel have difficulty in timely discovering and processing when the water level height is increased, the insertion strip is inserted into the sealing rubber strip, the connection between the first steel plate and the fixed pile is sealed, when subjected to external water flow pressure and impact, the buffer arc plate buffers, the second steel plate extrudes the buffer spring, and the damper plays a damping role, so that the pressure and impact of the external water flow are buffered, the steel plate is prevented from deforming, the enclosure effect is guaranteed, the liquid level sensor senses the water level inside the cofferdam, when the water level exceeds a preset value, the controller controls the alarm to send an alarm, and personnel are reminded to process in time.
[0013] The above description is only a summary of the technical scheme of the embodiments of the application, in order to more clearly understand the technical means of the embodiments of the application, the embodiments of the application can be implemented according to the content of the description, and in order to make the above and other purposes, characteristics and advantages of the embodiments of the application more obvious and easy to understand, the following specific embodiments of the application are described. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiments of the application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creating labor.
[0015] Figure 1 It is a whole structure schematic view of the double-layer steel sheet pile cofferdam.
[0016] Figure 2The utility model discloses a buffer spring and buffer arc plate structure schematic diagram of double -deck steel sheet pile cofferdam.
[0017] Figure 3 The utility model discloses a liquid level sensor and alarm structure schematic diagram of double -deck steel sheet pile cofferdam.
[0018] Figure 4 The utility model discloses a first steel sheet structure schematic diagram of double -deck steel sheet pile cofferdam.
[0019] Figure 5 The utility model discloses a top view structure schematic diagram of double -deck steel sheet pile cofferdam.
[0020] Mark explanation:
[0021] 1, fixed stake;2, sealing rubber strip;3, insert strip;4, fixed strip;5, fixed stud;6, ground cone;7, controller;8, connecting line;9, probe;10, first steel sheet;11, buffer spring;12, damper;13, second steel sheet;14, connecting column;15, buffer arc plate;16, liquid level sensor;17, support frame;18, alarm;19, splicing strip. Specific embodiment
[0022] In order to make the purpose, technical scheme and advantage of the embodiments of the application more clear, the technical scheme in the embodiments of the application will be described clearly and completely below with the drawings in the embodiments of the application. Obviously, the described embodiments are some embodiments of the application, not all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the specification herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "include" and "comprise" and variations thereof as used in the specification and the claims and the drawings description of the application are intended to cover not exclusive inclusion.
[0024] Reference herein to "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive or alternative embodiments. It is expressly understood that the embodiments described herein are merely examples from a whole class of comparable embodiments which those skilled in the art will readily appreciate. It is also expressly understood that the methods, compositions, and systems described herein are intended to encompass equivalents thereof wherever programmable software code, or microcode, can be created from any set or combinations of codes, symbolic representations, instructions, and data structures.
[0025] The positional words appearing in the following description are the directions shown in the drawings, and are not intended to limit the specific structure of the present application. For example, in the description of the present application, the positional relationship or position indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the positional relationship or position shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0026] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, the "connection" or "connection" of mechanical structure can mean physical connection, for example, the physical connection can be fixed connection, for example, fixed connection by fixing member, for example, fixed connection by screw, bolt or other fixing member; the physical connection can also be detachable connection, for example, mutual clamping or clamping connection; the physical connection can also be integrally connected, for example, welding, bonding or integrally formed connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0027] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings.
[0028] The utility model provides a double -deck steel sheet pile cofferdam as Figures 1-5 As shown in a kind of double -deck steel sheet pile cofferdam, including fixed pile 1, fixed pile 2 of the two sides of fixed pile 1 is set with insertion slot, the inner wall of insertion slot is fixedly arranged with sealing rubber strip 2, insertion strip 3 is inserted in the inside of sealing rubber strip 2, the side of insertion strip 3 is fixedly arranged with first steel sheet 10, the side of first steel sheet 10 is fixedly arranged with buffer spring 11, damper 12 is sleeved in the inside of buffer spring 11, the side of buffer spring 11 is fixedly arranged with second steel sheet 13, the side of second steel sheet 13 is fixedly arranged with connecting column 14, the one end of connecting column 14 is fixedly arranged with buffer arc plate 15, liquid level sensor 16 is fixedly installed on the top of the surface of fixed pile 1, support frame 17 is fixedly arranged on the top of fixed pile 1, the top surface of support frame 17 is fixedly arranged with alarm 18.
[0029] The plug-in strip 3 is inserted into the sealing rubber strip 2, the first steel plate 10 is sealed with the connecting part of the fixed pile 1, when the external water flow pressure and impact are received, the buffer arc plate 15 buffers, the second steel plate 13 extrudes the buffer spring 11, the damper 12 plays a damping role, the effect of buffering the external water flow pressure and impact is achieved, the steel plate deformation is avoided, the protection effect is guaranteed, the liquid level sensor 16 senses the water level in the cofferdam, when the water level exceeds the preset value, the alarm 18 is controlled by the controller 7 to issue an alarm, reminding the staff to handle in time.
[0030] The number of the buffer spring 11 and the damper 12 is four groups, the four groups of buffer springs 11 and dampers 12 are distributed in a rectangular array, one end of the damper 12 is fixedly connected with the first steel plate 10, the other end of the damper 12 is fixedly connected with the second steel plate 13.
[0031] The buffer spring 11 absorbs the energy of the water flow pressure and impact, the damper 12 is used for consuming the energy storage of the buffer spring 11, the first steel plate 10 and the second steel plate 13 are buffered and damped, and the steel plate deformation is avoided.
[0032] The bottom of the first steel plate 10 is fixedly provided with a fixed strip 4, and the top surface of the fixed strip 4 is movably provided with a plurality of fixed studs 5.
[0033] The fixed stud 5 fixes the fixed strip 4, so that the first steel plate 10 is fixed at a specified position.
[0034] The connecting column 14 is two groups and is fixedly arranged along the axial direction, and the bottom of the fixed pile 1 is fixedly provided with a ground peg 6.
[0035] The ground peg 6 is used for fixing the fixed pile 1.
[0036] One side of the liquid level sensor 16 is electrically connected with a controller 7, one side of the controller 7 is electrically connected with an alarm 18, and the controller 7 is fixedly installed on the top of the outer surface of the fixed pile 1.
[0037] The liquid level sensor 16 is used for sensing the water level, when the water level exceeds the preset value, the alarm 18 is controlled by the controller 7 to issue an alarm, reminding the staff to handle in time.
[0038] One side of the liquid level sensor 16 is electrically connected with a connecting line 8, and one end of the connecting line 8 is electrically connected with a probe 9.
[0039] The probe 9 is used for monitoring the water level.
[0040] The side, away from the plug-in strip 3, of the first steel plate 10 is fixedly provided with a splicing strip 19, a splicing groove is formed in the surface of the sealing rubber strip 2, and the splicing groove is matched with the splicing strip 19 and the plug-in strip 3.
[0041] The splicing strip 19 facilitates the installation and connection of the first steel sheet 10 and the fixed pile 1, and improves the construction efficiency.
[0042] Working principle: When the double-layer steel sheet pile cofferdam is used, the insertion strip 3 is inserted into the sealing rubber strip 2, and the connection between the first steel sheet 10 and the fixed pile 1 is sealed.
[0043] When subjected to external water flow pressure and impact, the buffer arc plate 15 buffers, while the second steel sheet 13 extrudes the buffer spring 11, and the damper 12 plays a damping role, achieving the effect of buffering the external water flow pressure and impact, avoiding steel sheet deformation, and guaranteeing the enclosure effect.
[0044] The liquid level sensor 16 senses the water level inside the cofferdam, and when the water level exceeds the preset value, the alarm 18 is controlled by the controller 7 to issue an alarm, reminding the staff to handle it in time.
[0045] The above-described embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A double-layer steel sheet pile cofferdam comprising fixed piles (1), characterized in that: Both sides of the fixed pile (1) are provided with insertion slots, the inner wall of the insertion slot is fixedly provided with a sealing rubber strip (2), the inside of the sealing rubber strip (2) is inserted with an insertion strip (3), one side of the insertion strip (3) is fixedly provided with a first steel plate (10), one side of the first steel plate (10) is fixedly provided with a buffer spring (11), the inside of the buffer spring (11) is sleeved with a damper (12), one side of the buffer spring (11) is fixedly provided with a second steel plate (13), one side of the second steel plate (13) is fixedly provided with a connecting column (14), one end of the connecting column (14) is fixedly provided with a buffer arc plate (15), the top surface of the fixed pile (1) is fixedly provided with a liquid level sensor (16), the top of the fixed pile (1) is fixedly provided with a support frame (17), the top surface of the support frame (17) is fixedly provided with an alarm (18).
2. The double-layer steel sheet pile cofferdam according to claim 1, characterized in that: The number of the buffer spring (11) and the damper (12) is four groups, four groups of the buffer spring (11) and the damper (12) are distributed in a rectangular array, one end of the damper (12) is fixedly connected with the first steel plate (10), the other end of the damper (12) is fixedly connected with the second steel plate (13).
3. The double-layer steel sheet pile cofferdam according to claim 1, characterized in that: The bottom of the first steel plate (10) is fixedly provided with a fixed strip (4), the top surface of the fixed strip (4) is movably provided with a plurality of fixed studs (5).
4. The double-layer steel sheet pile cofferdam according to claim 1, characterized in that: The number of the connecting column (14) is two groups and is fixedly arranged along the axial direction, the bottom of the fixed pile (1) is fixedly provided with a ground peg (6).
5. The double-layer steel sheet pile cofferdam according to claim 1, characterized in that: One side of the liquid level sensor (16) is electrically connected with a controller (7), one side of the controller (7) is electrically connected with the alarm (18), the controller (7) is fixedly installed on the top of the outer surface of the fixed pile (1).
6. The double-layer steel sheet pile cofferdam according to claim 1, characterized in that: One side of the liquid level sensor (16) is electrically connected with a connecting line (8), one end of the connecting line (8) is electrically connected with a probe (9).
7. The double-layer steel sheet pile cofferdam according to claim 1, characterized in that: The side of the first steel plate (10) away from the insertion strip (3) is fixedly provided with a splicing strip (19), the surface of the sealing rubber strip (2) is provided with a splicing groove, the splicing groove is matched with the splicing strip (19) and the insertion strip (3).