Fabricated steel sheet pile

Abstract

The utility model relates to the technical field of constructional engineering, and discloses a fabricated steel sheet pile which comprises a plurality of groups of baffle mechanisms, a plurality of groups of H-shaped steel plates are arranged on the inner sides of the plurality of groups of baffle mechanisms, wall corner baffles are arranged at the right-angle positions of a wall body formed by combining the plurality of groups of baffle mechanisms, and outer supporting plates are arranged between the opposite groups of H-shaped steel plates. A lock catch cavity is formed between the wall corner baffle and the baffle mechanism combination, by arranging first buckling plates on the two sides of the baffle mechanisms, every two baffle mechanisms are rapidly connected, combined and extended, the operation time of constructors is shortened, and the working efficiency is improved; every two adjacent baffle mechanisms are rapidly and fixedly connected, lock catch cavities are formed between H-shaped steel plates and the baffle mechanisms, the blocking area is increased, an outer supporting plate is pressed on the upper end face of a pressing plate, a fixing block is pressed on the inner side face of a first outer side plate, supporting force is applied to the interior of each lock catch cavity outwards, and the stability of the baffle mechanisms is enhanced.

Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, specifically to a prefabricated steel sheet pile. Background Technology

[0002] Steel sheet piles are steel structures with interlocking devices on their edges, which can be freely combined to form a continuous and tight retaining wall or water barrier. Steel sheet piles are a type of steel with interlocking joints, and their cross-sections include straight plates, channels, and Z-shapes. They come in various sizes and interlocking forms, with common types including Larsen and Lacwana. Their advantages include: high strength, easy penetration into hard soil layers; ability to be constructed in deep water, and the ability to be reinforced with diagonal supports to form a cofferdam when necessary; good waterproofing performance; and the ability to be assembled into various shapes of cofferdams and reused multiple times. Therefore, they have a wide range of applications.

[0003] Chinese patent CN218813749U discloses a prefabricated steel sheet pile combined support device, belonging to the field of foundation pit support technology. Its key technical features are: it includes a sheet pile foundation and a supporting steel frame, with the supporting steel frame located inside the sheet pile foundation; the sheet pile foundation includes multiple interconnected pile plates; the supporting steel frame includes multiple H-beams and multiple supporting beams, with the supporting beams detachably connected to the sheet pile foundation via the H-beams. This achieves high construction efficiency and easy recycling.

[0004] However, during the installation of this device, there is a hollow point between the H-beam and the sheet pile foundation. When the outer surface of the sheet pile foundation is subjected to pressure, the sheet pile foundation can only rely on the side connecting plate to relieve pressure. Moreover, the connection between the H-beam and the sheet pile foundation must be fixed with bolts and connectors, which is cumbersome. Therefore, those skilled in the art provide a prefabricated steel sheet pile to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this utility model is to provide a prefabricated steel sheet pile to solve the problems in the prior art.

[0006] This utility model provides the following technical solution: a prefabricated steel sheet pile, including multiple sets of baffle mechanisms for mutually movable connection of combined walls, multiple sets of H-shaped steel plates for supporting and fixing the baffle mechanisms are provided on the inner side of the multiple sets of baffle mechanisms, a corner baffle is provided at the right angle of the wall formed by the multiple sets of baffle mechanisms, an outer support plate is provided between the sets of H-shaped steel plates that are opposite to each other, and a locking cavity is provided between the corner baffle and the baffle mechanism combination.

[0007] As a preferred embodiment of the above technical solution, the baffle mechanism includes a first outer side plate, two first support plates are fixedly provided on both sides of the first outer side plate, two first angle plates are fixedly provided on both sides of the two first support plates away from the center, two first fastening plates are fixedly provided on the inner side of the two first angle plates, and two first clamping plates are provided on the opposite sides of the two end faces of the two first support plates away from the center, and the angle between the two first support plates and the inner end face of the first outer side plate forms a first fixed angle.

[0008] As a preferred embodiment of the above technical solution, the H-shaped steel plate has two sets of grooves on both sides, a first lug is provided on one side of the two sets of grooves, and a second lug is provided on the side of the groove away from the first lug, the length of the second lug being greater than the length of the first lug.

[0009] As a preferred embodiment of the above technical solution, the H-shaped steel plate has multiple sets of through grooves fixedly arranged at equal intervals at the center of its end face. Each set of through grooves is movably connected to a rotating shaft. A pressure plate is fixedly connected to one side of the rotating shaft, and a fixing plate is fixedly connected to the side of the rotating shaft away from the pressure plate. A fixing block is sleeved on the inner side of the fixing plate, and the fixing block and the fixing plate are movably connected by a pin. Multiple sets of positioning holes are provided at equal intervals on both ends of the pressure plate.

[0010] As a preferred embodiment of the above technical solution, the corner baffle includes a second outer side plate, two second support plates are fixedly provided on both sides of the second outer side plate, two second angle plates are fixedly provided on both sides of the two second support plates away from the center, a second fastening plate is fixedly provided on the inner side of the second angle plate, a third fastening plate is fixedly provided on the side of the second angle plate away from the second fastening plate, and two second clamping plates are provided on the opposite sides of the two end faces of the two second support plates away from the center, and the angle between the two second support plates and the inner end face of the second outer side plate forms a second fixed angle.

[0011] As a preferred embodiment of the above technical solution, the outer support plate has two sets of positioning grooves at both ends away from the center, and multiple sets of fixing screw holes are fixed at equal intervals on both sides of the two sets of positioning grooves.

[0012] As a preferred embodiment of the above technical solution, the two sets of positioning grooves are pressed together at both ends on the upper surfaces of two opposing pressure plates. The inner sides of the fixing screw holes on both sides of the positioning grooves are fixedly connected with positioning holes by bolts. The end face of the fixing block away from the pressure plate slides against the inner side of the first outer plate.

[0013] As a preferred embodiment of the above technical solution, the groove inside the H-shaped steel plate is fitted onto the outside of the first clamping plate.

[0014] As a preferred embodiment of the above technical solution, a second fastening plate is fastened to one side of the first fastening plate, and a third fastening plate is fastened to the side of the first fastening plate at the end of the baffle mechanism that is away from the second fastening plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This utility model enables the quick connection and extension of the baffle mechanism by setting first fastening plates on both sides of the baffle mechanism, eliminating the need for bolts to be tightened on the traditional connection surface, shortening the operation time of construction personnel and improving work efficiency.

[0017] This utility model uses the grooves on both sides of the H-shaped steel plate to fit outside the first clamping plate, so that the adjacent two sets of baffle mechanisms can be quickly fixed and connected, and a locking cavity is formed between the H-shaped steel plate and the baffle mechanism, increasing the blocking area.

[0018] This utility model uses an outer support plate pressed against the upper surface of the pressure plate to press the fixing block against the inner side of the first outer plate, thereby applying outward support force to the inside of the locking cavity and enhancing the stability of the baffle mechanism. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the main structure of a prefabricated steel sheet pile.

[0020] Figure 2 This is a schematic diagram of the main structure cross-section of a prefabricated steel sheet pile;

[0021] Figure 3 This is a schematic diagram of the baffle mechanism structure of a prefabricated steel sheet pile;

[0022] Figure 4 This is a schematic diagram of the side structure of an H-shaped steel plate for a prefabricated steel sheet pile.

[0023] Figure 5 A schematic diagram of the internal fixing plate structure of an H-shaped steel sheet pile;

[0024] Figure 6 This is a top view schematic diagram of an H-shaped steel sheet pile structure for prefabricated steel sheet piles.

[0025] Figure 7 This is a schematic diagram of a corner baffle structure for a prefabricated steel sheet pile.

[0026] Figure 8 This is a schematic diagram of the external support plate structure of a prefabricated steel sheet pile.

[0027] 1. Baffle mechanism; 101. First outer side plate; 102. First support plate; 103. First angle plate; 104. First fastening plate; 106. First clamping plate; 107. First fixed angle; 2. H-shaped steel plate; 201. Groove; 202. First ear block; 203. Through groove; 204. Rotating shaft; 205. Pressure plate; 206. Fixed plate; 207. Pin shaft; 208. Fixed block; 209. Positioning hole; 210. Second ear block; 3. Corner baffle; 301. Second outer side plate; 302. Second support plate; 303. Second angle plate; 304. Second fastening plate; 305. Third fastening plate; 306. Second clamping plate; 307. Second fixed angle; 4. Outer support plate; 401. Positioning groove; 402. Fixed screw hole; 5. Locking cavity. Detailed Implementation

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0029] Please see Figures 1-2 As shown, this utility model provides a technical solution: a prefabricated steel sheet pile, including multiple sets of baffle mechanisms 1 for mutually movable connection of combined walls, multiple sets of H-shaped steel plates 2 for supporting and fixing the baffle mechanisms 1 on the inner side of the multiple sets of baffle mechanisms 1, a corner baffle 3 is provided at the right angle of the wall formed by the multiple sets of baffle mechanisms 1, an outer support plate 4 is provided between the sets of H-shaped steel plates 2 that are opposite to each other, and a locking cavity 5 is provided between the corner baffle 3 and the baffle mechanism 1.

[0030] H-shaped steel plates 2 are provided between multiple sets of baffle mechanisms 1. The H-shaped steel plates 2 and multiple sets of baffle mechanisms 1 are assembled in a detachable manner. The H-shaped steel plates 2 and multiple sets of baffle mechanisms 1 can be reused to improve economic benefits. By providing corner baffles 3 to cooperate with baffle mechanisms 1, multiple sets of baffle mechanisms 1 can achieve a 90-degree right angle transformation, so that the members can enclose the baffle mechanisms 1 into a rectangular structure facility.

[0031] As one implementation method in this embodiment, please refer to Figure 3 As shown, the baffle mechanism 1 includes a first outer side plate 101. Two first support plates 102 are fixedly provided on both sides of the first outer side plate 101. Two first angle plates 103 are fixedly provided on both sides of the two first support plates 102 away from the center. Two first fastening plates 104 are fixedly provided on the inner side of the two first angle plates 103. Two first clamping plates 106 are provided on the opposite sides of the two end faces of the two first support plates 102 away from the center. The angle between the two first support plates 102 and the inner end face of the first outer side plate 101 forms a first fixed angle 107.

[0032] Two first support plates 102 are disposed on both sides of the first outer side plate 101 and are disposed opposite to the two ends of the first outer side plate 101. The two first support plates 102 and the inner face of the first outer side plate 101 form an equal first fixed angle 107. When the end face of the first outer side plate 101 away from the two first support plates 102 is subjected to pressure, the two first support plates 102 act as support plates to exert a reaction force on the first outer side plate 101. Two first clamping plates 106 are disposed on the two ends of the first support plate 102 away from the center. The two first clamping plates 106 are fixed to the outer side of the first support plate 102 at the two ends away from the center. Two first fastening plates 104 are fixedly disposed on the inner side of the first angle plate 103. Multiple sets of baffle mechanisms 1 adjacent to each other are fastened together by two adjacent first fastening plates 104, thereby forming a baffle mechanism 1 of a wall.

[0033] As one implementation method in this embodiment, please refer to Figures 4-6 As shown, two sets of grooves 201 are provided on both sides of the H-shaped steel plate 2. A first ear block 202 is provided on one side of the two sets of grooves 201, and a second ear block 210 is provided on the side of the groove 201 away from the first ear block 202. The length of the second ear block 210 is greater than the length of the first ear block 202.

[0034] The length of the second ear block 210 is greater than the length of the first ear block 202, and the outer end face of the first ear block 202 is provided with a tangent angle. The outer end face of the first ear block 202 and the first support plate 102 are arranged in parallel. The height of the H-shaped steel plate 2 is the same as the height of the baffle mechanism 1.

[0035] As one implementation method in this embodiment, please refer to Figure 4 and Figure 6 As shown, multiple sets of through grooves 203 are fixedly provided at equal intervals at the center of the end face of the H-shaped steel plate 2. Rotating shafts 204 are movably connected inside the multiple sets of through grooves 203. A pressure plate 205 is fixedly connected to one side of the rotating shaft 204. A fixing plate 206 is fixedly connected to the side of the rotating shaft 204 away from the pressure plate 205. A fixing block 208 is sleeved on the inner side of the fixing plate 206. The fixing block 208 and the fixing plate 206 are movably connected by a pin 207. Multiple sets of positioning holes 209 are provided at equal intervals on both ends of the pressure plate 205. The fixing block 208 and the fixing plate 206 can rotate at a maximum of 90 degrees.

[0036] Multiple sets of through slots 203 are equidistantly arranged on the end face of the H-shaped steel plate 2. A rotating shaft 204 is provided inside the through slot 203. A pressure plate 205 and a fixing plate 206 are fixedly connected to both sides of the rotating shaft 204, respectively. The pressure plate 205 and the fixing plate 206 are arranged parallel to each other on both sides of the rotating shaft 204. A fixing block 208 is movably connected to the other end of the fixing plate 206 through a pin 207. The lower end of the fixing block 208 is longer than the upper end of the fixing block 208, so that the side of the fixing block 208 facing the inner wall of the baffle mechanism 1 always remains parallel. The total weight of the fixing plate 206 and the fixing block 208 is greater than the weight of the pressure plate 205 on the other side of the rotating shaft 204. When the pressure plate 205 is not in use, the pressure plate 205 is raised to close the angle of the H-shaped steel plate 2. This helps the construction personnel to avoid being affected by the angle of the fixing block 208 during assembly, so that the baffle mechanism 1 does not interfere with the assembly.

[0037] When the pressing plate 205 is pressed down, the fixing plate 206 on the other side causes the fixing block 208 to move towards the surface of the first outer plate 101 inside the baffle mechanism 1. When the fixing block 208 is pressed onto the surface of the first outer plate 101, the pressing plate 205 and the fixing plate 206 are parallel.

[0038] As one implementation method in this embodiment, please refer to Figure 7 As shown, the corner baffle 3 includes a second outer side plate 301. Two second support plates 302 are fixedly provided on both sides of the second outer side plate 301. Two second angle plates 303 are fixedly provided on both sides of the two second support plates 302 away from the center. A second fastening plate 304 is fixedly provided on the inner side of the second angle plate 303. A third fastening plate 305 is fixedly provided on the side of the second angle plate 303 away from the second fastening plate 304. Two second clamping plates 306 are provided on the opposite sides of the two end faces of the two second support plates 302 away from the center. The angle between the two second support plates 302 and the inner end face of the second outer side plate 301 forms a second fixed angle 307.

[0039] The second outer side plate 301 of the corner baffle 3 and the first outer side plate 101 of the baffle mechanism 1 have the same shape and structure. The two second support plates 302 of the corner baffle 3 and the two first angle plates 103 of the baffle mechanism 1 have the same angle and shape. The second fastening plate 304 of the corner baffle 3 and the first fastening plate 104 of the baffle mechanism 1 have the same shape and angle. The third fastening plate 305 of the corner baffle 3, which is fixed on the side away from the second fastening plate 304, is set at a right angle and fastens to the first fastening plate 104 at a 90-degree angle.

[0040] As one implementation method in this embodiment, please refer to Figure 8 As shown, the outer support plate 4 has two sets of positioning grooves 401 at both ends away from the center, and multiple sets of fixing screw holes 402 are fixed at equal intervals on both sides of the two sets of positioning grooves 401.

[0041] Two sets of positioning grooves 401 are pressed together on the outside of the pressure plate 205. The diameter of multiple sets of fixing screw holes 402 is the same as the diameter of multiple sets of positioning holes 209. They are screwed and fixed from the fixing screw holes 402 on the side of the positioning groove 401 to the internal positioning holes 209 by bolts. The number of multiple sets of fixing screw holes 402 is the same as the number of multiple sets of positioning holes 209.

[0042] As one implementation method in this embodiment, please refer to Figure 8 As shown, the two sets of positioning grooves 401 are pressed together at both ends on the upper surfaces of the two opposing pressure plates 205. The positioning holes 209 are fixedly connected to the inner sides of the fixing screw holes 402 on both sides of the positioning grooves 401 by bolts. The end face of the fixing block 208 away from the pressure plate 205 is slidably pressed against the inner side of the first outer plate 101.

[0043] As one implementation method in this embodiment, please refer to Figure 8 As shown, the groove 201 inside the H-shaped steel plate 2 is fitted onto the outside of the first clamping plate 106.

[0044] When the pressure plate 205 is pressed down, the fixing block 208 is pressed onto the surface of the first outer plate 101. An outer support plate 4 is sleeved and fixed on the outside of the pressure plate 205. The pressure plate 205 is fixed at both ends of the outer support plate 4, thereby playing a role in bidirectional support. At the same time, it applies outward tension to the first outer plate 101 at both ends to prevent external fluid from damaging the locking cavity 5 and the steel sheet piles that are built.

[0045] As one implementation method in this embodiment, please refer to Figures 2-3 As shown, a second fastening plate 304 is fastened to one side of the first fastening plate 104, and a third fastening plate 305 is fastened to the side of the first fastening plate 104 at the end of the baffle mechanism 1 that is away from the second fastening plate 304.

[0046] When the third fastening plate 305 fastens the first fastening plate 104, it makes the two pairs of baffle mechanisms 1 form right angles, and then makes the steel sheet piles enclosed by the baffle mechanisms 1 close at right angles.

[0047] Working principle: The construction personnel first need to place the two baffle mechanisms 1 in opposite directions on both sides, and then fasten the first fastening plates 104 on both sides of the baffle mechanism 1 together. Then, use the H-shaped steel plate 2 to insert the groove 201 into the outside of the two sets of opposing first clamping plates 106 from one end to the other, forming the groove 201 covering the two sets of first clamping plates 106. The fixing block 208 at one end of the H-shaped steel plate 2 faces the inner side of the first outer plate 101 of the baffle mechanism 1. Then, press down on the multiple sets of pressure plates 205 on the H-shaped steel plate 2, so that the multiple sets of pressure plates 205 rotate one by one to correspond to the fixing plate 206. The fixing plate 206 drives the fixing block 208 at the other end to press against the inner side of the first outer plate 101. Then, the positioning groove 401 on the end face of the outer support plate 4 is fitted onto the outside of the pressure plate 205. Then, the outer support plate 4 is fastened with bolts through the fixing screw hole 402 and the positioning hole 209. The corner baffle 3 is used to connect and close the baffle mechanism 1 at the corner.

[0048] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. A prefabricated steel sheet pile, characterized in that: It includes multiple sets of baffle mechanisms (1) for mutually movable connection of combined walls, multiple sets of H-shaped steel plates (2) for supporting and fixing the baffle mechanisms (1) are provided on the inner side of the multiple sets of baffle mechanisms (1), a corner baffle (3) is provided at the right angle of the wall formed by the multiple sets of baffle mechanisms (1), an outer support plate (4) is provided between the sets of H-shaped steel plates (2) that are opposite to each other, and a locking cavity (5) is provided between the corner baffle (3) and the baffle mechanism (1).

2. The prefabricated steel sheet pile according to claim 1, characterized in that: The baffle mechanism (1) includes a first outer side plate (101), two first support plates (102) are fixedly provided on both sides of the first outer side plate (101), two first angle plates (103) are fixedly provided on both sides of the two first support plates (102) away from the center, two first fastening plates (104) are fixedly provided on the inner side of the two first angle plates (103), two first clamping plates (106) are provided on the side faces of the two first support plates (102) away from the center, and the angle between the two first support plates (102) and the inner face of the end face of the first outer side plate (101) forms a first fixed angle (107).

3. The prefabricated steel sheet pile according to claim 1, characterized in that: The H-shaped steel plate (2) has two sets of grooves (201) on both sides. A first ear block (202) is provided on one side of the two sets of grooves (201). A second ear block (210) is provided on the side of the groove (201) away from the first ear block (202). The length of the second ear block (210) is greater than the length of the first ear block (202).

4. The prefabricated steel sheet pile according to claim 3, characterized in that: The H-shaped steel plate (2) has multiple sets of through grooves (203) fixedly arranged at equal intervals at the center of its end face. Each set of through grooves (203) is movably connected to a rotating shaft (204). A pressure plate (205) is fixedly connected to one side of the rotating shaft (204). A fixing plate (206) is fixedly connected to the side of the rotating shaft (204) away from the pressure plate (205). A fixing block (208) is sleeved inside the fixing plate (206). The fixing block (208) and the fixing plate (206) are movably connected by a pin (207). Multiple sets of positioning holes (209) are provided at equal intervals on both ends of the pressure plate (205).

5. A prefabricated steel sheet pile according to claim 1, characterized in that: The corner baffle (3) includes a second outer side plate (301), two second support plates (302) are fixedly provided on both sides of the second outer side plate (301), two second angle plates (303) are fixedly provided on both sides of the two second support plates (302) away from the center, a second fastening plate (304) is fixedly provided on the inner side of the second angle plate (303), a third fastening plate (305) is fixedly provided on the side of the second angle plate (303) away from the second fastening plate (304), two second clamping plates (306) are provided on the side faces of the two second support plates (302) away from the center, and the angle between the two second support plates (302) and the inner face of the end face of the second outer side plate (301) forms a second fixed angle (307).

6. A prefabricated steel sheet pile according to claim 4, characterized in that: The outer support plate (4) has two sets of positioning grooves (401) at both ends away from the center, and multiple sets of fixing screw holes (402) are fixed at equal intervals on both sides of the two sets of positioning grooves (401).

7. A prefabricated steel sheet pile according to claim 6, characterized in that: The two sets of positioning grooves (401) are pressed together at both ends on the upper surfaces of the two opposing pressure plates (205). The positioning grooves (401) are fixedly connected to the inner sides of the fixing screw holes (402) on both sides by bolts, and the fixing block (208) slides and presses against the inner side of the first outer plate (101) at the end face away from the pressure plate (205).

8. A prefabricated steel sheet pile according to claim 3, characterized in that: The groove (201) inside the H-shaped steel plate (2) is fitted onto the outside of the first clamping plate (106).

9. A prefabricated steel sheet pile according to claim 2, characterized in that: The first fastening plate (104) is fastened to one side by a second fastening plate (304), and the first fastening plate (104) at the end of the baffle mechanism (1) is fastened to the side away from the second fastening plate (304) by a third fastening plate (305).

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