Foundation pit supporting template

Abstract

The utility model discloses a foundation pit supporting template which comprises a first supporting template and a second supporting template, the first supporting template and the second supporting template are connected in a rotating mode, a locking mechanism is arranged on the front side surface of the first supporting template and the front side surface of the second supporting template, and the locking mechanism comprises a positioning sliding plate, a positioning sliding block, a fixing screw and a supporting rod. The two groups of positioning sliding plates are arranged, the positioning sliding blocks slide left and right on the inner sides of the two groups of positioning sliding plates, screw holes are formed in the upper surfaces of the positioning sliding blocks, and the fixing screws are in threaded connection with the screw holes; the multiple sets of supporting formworks are connected through the first fixing blocks and the second fixing blocks, the angles of the first supporting formworks and the angles of the second supporting formworks are locked through the locking mechanisms, the stability of the supporting formworks is improved, the supporting capacity of the supporting formworks is improved, and the problems that the stability of different supporting formworks is poor, and the supporting efficiency is high are solved. And a soil layer on the side edge of the foundation pit is easy to leak from a joint between two groups of supporting templates, so that the adaptability and the stability are poor.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a foundation pit supporting template. Background Art

[0002] The foundation pit is a soil pit excavated at the foundation design position according to the base elevation and foundation plane dimensions. If the excavation is not deep, the side slope can be used to make the soil slope stable. The slope size is determined according to relevant construction regulations. If the excavation is deeper and there are buildings nearby, the foundation pit wall support method can be used to prevent the outer soil layer from collapsing.

[0003] The installation of support formwork can ensure the safety of underground structure construction and the surrounding environment of the foundation pit. It is a measure of support, reinforcement and protection for the side walls of deep foundation pits and the surrounding environment.

[0004] During use, the support formwork cannot be used in conjunction with other support formworks, resulting in poor stability between different support formworks. The soil layer on the side of the foundation pit is easy to leak out from the connection between the two sets of support formworks, and its adaptability and stability are poor. Utility Model Content

[0005] The purpose of the utility model is to provide a foundation pit support template to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foundation pit support formwork, comprising a first support formwork and a second support formwork, characterized in that the first support formwork and the second support formwork are rotatably connected, and the front side surfaces of the first support formwork and the second support formwork are provided with a locking mechanism, the locking mechanism comprises a positioning slide plate, a positioning slide block, a fixing screw and a support rod, three groups of first fixing blocks are fixedly connected to the left side of the first support formwork, four groups of second fixing blocks are fixedly connected to the right side of the first support formwork, the first fixing blocks and the second fixing blocks are cross-distributed, and the front side surfaces of the first support formwork and the second support formwork are both provided with supporting sleeves.

[0007] Preferably, the support sleeve is slidably connected to a threaded rod inside, the upper end of the support sleeve is rotatably connected to an adjustment block, the adjustment block is threadedly connected to the threaded rod, the upper end of the threaded rod is fixedly connected to a rotating plate, the outer side of the rotating plate is rotatably connected to a mounting plate, and the mounting plate is fixedly connected to the first support formwork and the second support formwork.

[0008] Preferably, the two groups of positioning slides are fixedly connected to the first supporting template, and the surfaces of the two groups of positioning slides that are close to each other are provided with a first slide groove, and the first slide groove is opened on the side close to the first supporting template. The upper and lower side surfaces of the positioning slide blocks are fixedly connected with limiting blocks, and the limiting blocks are arranged inside the first slide groove, and the limiting blocks slide left and right inside the first slide groove.

[0009] Preferably, a second sliding groove is provided on the surface of the upper positioning slide plate, and the fixing screw slides left and right inside the second sliding groove.

[0010] Preferably, a first connecting block is fixedly connected to the right side surface of the positioning slider, and the right end of the first connecting block is rotatably connected to the left end of the support rod. A second connecting block is fixedly connected to the front side surface of the second supporting formwork, and the second connecting block is rotatably connected to the right end of the support rod.

[0011] Preferably, two groups of positioning slide plates are provided, and the positioning slide block slides left and right inside the two groups of positioning slide plates. The upper surface of the positioning slide block is provided with a thread hole, and the fixing screw is threadedly connected to the thread hole.

[0012] Preferably, the first fixing block and the second fixing block are each provided with a connecting through hole, a latch is provided inside the connecting through hole, and the first supporting template and the second supporting template have the same structure.

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

[0014] 1. The support structure for foundation pit is provided with a locking mechanism on the front side surfaces of the first support template and the second support template, the locking mechanism comprising a positioning slide plate, a positioning slide block, a fixing screw and a support rod, the left side of the first support template is fixedly connected with three groups of first fixing blocks, and the right side of the first support template is fixedly connected with four groups of second fixing blocks, and the plurality of support templates can be connected and fixed together by plugging the first fixing blocks and the second fixing blocks together and fixing them by a latch. When the angles of the first support template and the second support template are adjusted, the angles of the first support template and the second support template are locked by the locking mechanism, so as to improve the stability of the support template and increase the supporting capacity of the support template. At the same time, the support template is supported by the supporting sleeve, so as to further improve the stability of the support template during the support process, and solve the problem that it cannot be used in conjunction with other support templates, resulting in poor stability between different support templates, and the soil layer on the side of the foundation pit is easy to leak from the connection between the two groups of support templates, and the adaptability and stability are poor.

[0015] 2. The foundation pit support structure can lock the angles of the first support formwork and the second support formwork, and at the same time, by unscrewing the fixing screws, the positioning slide block is removed from between the positioning slide plates, so that the first support formwork and the second support formwork can be easily disassembled and transported. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a foundation pit support template of the utility model (the first support template and the second support template are in a horizontal state);

[0017] Figure 2 This is a schematic diagram of the overall structure of a foundation pit support template of the utility model (the first support template and the second support template are in a bent state);

[0018] Figure 3 This is a schematic diagram of the locking mechanism structure of a foundation pit support template of the utility model;

[0019] Figure 4 This is a schematic diagram of the support rod structure of a foundation pit support template of the utility model;

[0020] Figure 5 This is a schematic diagram of the first supporting template structure of a foundation pit supporting template of the utility model;

[0021] Figure 6 The utility model is a schematic diagram of a supporting sleeve structure of a foundation pit supporting formwork.

[0022] In the figure: 1. first supporting formwork; 11. second supporting formwork; 12. first fixing block; 13. second fixing block; 14. connecting through hole; 15. latch; 2. positioning slide plate; 21. first slide groove; 22. second slide groove; 23. positioning slide block; 24. limiting block; 25. thread hole; 26. first connecting block; 27. fixing screw; 3. second connecting block; 31. supporting rod; 4. supporting sleeve; 41. adjusting block; 42. threaded rod; 43. rotating plate; 44. mounting plate. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figures 1 to 6The utility model provides a foundation pit support formwork, including a first support formwork 1 and a second support formwork 11, characterized in that the first support formwork 1 and the second support formwork 11 are rotatably connected, and the front side surfaces of the first support formwork 1 and the second support formwork 11 are provided with a locking mechanism, the locking mechanism includes a positioning slide plate 2, a positioning slide block 23, a fixing screw 27 and a support rod 31, the positioning slide plate 2 is provided with two groups, the positioning slide block 23 slides left and right on the inner side of the two groups of positioning slide plates 2, the upper surface of the positioning slide block 23 is provided with a thread hole 25, and the fixing screw 27 is threadedly connected with the thread hole 25, the left side of the first support formwork 1 is fixedly connected with three groups of first fixing blocks 12, and the right side of the first support formwork 1 is fixedly connected with the first fixing block 13. Four groups of second fixing blocks 13 are fixedly connected to the side, the first fixing blocks 12 and the second fixing blocks 13 are cross-distributed, and connecting through holes 14 are opened inside the first fixing blocks 12 and the second fixing blocks 13, and latches 15 are arranged inside the connecting through holes 14. The first supporting formwork 1 and the second supporting formwork 11 have the same structure, and the front side surfaces of the first supporting formwork 1 and the second supporting formwork 11 are both provided with supporting sleeves 4; when the angles of the first supporting formwork 1 and the second supporting formwork 11 are adjusted, the angles of the first supporting formwork 1 and the second supporting formwork 11 are locked by a locking mechanism to improve the stability of the supporting formwork, increase the supporting capacity of the supporting formwork, and prevent the supporting formwork from rotating.

[0025] During the adjustment of the support rod 31, the angles of the first support formwork 1 and the second support formwork 11 are adjusted according to the support angle. During the rotation of the second support formwork 11, the support rod 31 will be pushed to one side, and the support rod 31 will push the positioning slide block 23 to one side inside the positioning slide block 2. After the angle adjustment is completed, the positioning slide block 23 is locked by the locking mechanism, and the position of the support rod 31 is fixed and locked, thereby fixing the angle of the first support formwork 1 and the second support formwork 11; during the installation of the first support formwork 1 and the second support formwork 11, the first fixing block 12 on the left side of the second support formwork 11 is clamped between the second fixing block 13 on the right side of the first support formwork 1, and then the pin 15 is inserted into the connecting through hole 14 to connect the first support formwork 1 and the second support formwork 11. At this time, the first support formwork 1 and the second support formwork 11 can rotate around the pin 15.

[0026] As a preferred embodiment of the present invention, the support sleeve 4 is internally slidably connected to a threaded rod 42, the upper end of the support sleeve 4 is rotatably connected to an adjusting block 41, the adjusting block 41 is threadedly connected to the threaded rod 42, the upper end of the threaded rod 42 is fixedly connected to a rotating plate 43, the outer side of the rotating plate 43 is rotatably connected to a mounting plate 44, and the mounting plate 44 is fixedly connected to the first support formwork 1 and the second support formwork 11.

[0027] Specifically, after the first support formwork 1 and the second support formwork 11 are fitted to the side wall of the foundation pit, the support sleeve 4 is rotated outward, and the adjustment block 41 is rotated to push the support sleeve 4 downward until the lower end of the support sleeve 4 contacts the bottom wall of the foundation pit, thereby supporting the first support formwork 1 and the second support formwork 11.

[0028] As a preferred embodiment of the present invention, the two groups of positioning slides 2 are fixedly connected to the first supporting formwork 1, and the surfaces of the two groups of positioning slides 2 on the side close to each other are provided with a first slide groove 21, and the first slide groove 21 is provided on the side close to the first supporting formwork 1. The upper and lower side surfaces of the positioning slide block 23 are fixedly connected with a limiting block 24, and the limiting block 24 is arranged inside the first slide groove 21, and the limiting block 24 slides left and right inside the first slide groove 21. A second slide groove 22 is provided on the surface of the upper positioning slide block 2, and the fixing screw 27 slides left and right inside the second slide groove 22. A first connecting block 26 is fixedly connected to the right side surface of the positioning slide block 23, and the right end of the first connecting block 26 is rotatably connected to the left end of the support rod 31. A second connecting block 3 is fixedly connected to the front side surface of the second supporting formwork 11, and the second connecting block 3 is rotatably connected to the right end of the support rod 31.

[0029] Among them, during use, the angle between the first support formwork 1 and the second support formwork 11 is adjusted by rotating the second support formwork 11. During the adjustment process, the positioning slider 23 will slide to the left between the two groups of positioning slides 2, and the fixing screw 27 will slide to the left inside the second slide groove 22. After the angle adjustment is completed, the fixing screw 27 is rotated toward the inside of the positioning slider 23 to lock the positioning slider 23 between the two groups of positioning slides 2. At this time, the angle between the first support formwork 1 and the second support formwork 11 will be locked.

[0030] Working principle: When using this device, in order to improve the stability of the support formwork, increase the supporting capacity of the support formwork, and prevent the support formwork from rotating, the angle between the first support formwork 1 and the second support formwork 11 is adjusted by rotating the second support formwork 11. During the adjustment process, the positioning slider 23 will slide to the left between the two groups of positioning slides 2, and the fixing screw 27 will slide to the left inside the second slide groove 22. After the angle adjustment is completed, the fixing screw 27 is rotated toward the inside of the positioning slider 23 to lock the positioning slider 23 between the two groups of positioning slides 2. At this time, the angle between the first support formwork 1 and the second support formwork 11 will be locked.

[0031] 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 foundation pit support formwork, comprising a first support formwork (1) and a second support formwork (11), characterized in that: The first supporting formwork (1) and the second supporting formwork (11) are rotatably connected, and the front side surfaces of the first supporting formwork (1) and the second supporting formwork (11) are provided with locking mechanisms, the locking mechanisms comprising a positioning slide plate (2), a positioning slide block (23), a fixing screw (27) and a supporting rod (31), three groups of first fixing blocks (12) are fixedly connected to the left side of the first supporting formwork (1), and four groups of second fixing blocks (13) are fixedly connected to the right side of the first supporting formwork (1), the first fixing blocks (12) and the second fixing blocks (13) are cross-distributed, and the front side surfaces of the first supporting formwork (1) and the second supporting formwork (11) are both provided with supporting sleeves (4).

2. A foundation pit support formwork according to claim 1, characterized in that: The support sleeve (4) is slidably connected to a threaded rod (42) inside, the upper end of the support sleeve (4) is rotatably connected to an adjustment block (41), the adjustment block (41) is threadedly connected to the threaded rod (42), the upper end of the threaded rod (42) is fixedly connected to a rotating plate (43), the outer side of the rotating plate (43) is rotatably connected to a mounting plate (44), and the mounting plate (44) is fixedly connected to the first supporting formwork (1) and the second supporting formwork (11).

3. A foundation pit support formwork according to claim 1, characterized in that: The two groups of positioning slides (2) are fixedly connected to the first supporting template (1); the surfaces of the two groups of positioning slides (2) on one side close to each other are provided with a first slide groove (21); the first slide groove (21) is provided on the side close to the first supporting template (1); the upper and lower side surfaces of the positioning slide block (23) are fixedly connected with a limiting block (24); the limiting block (24) is arranged inside the first slide groove (21); and the limiting block (24) slides left and right inside the first slide groove (21).

4. A foundation pit support formwork according to claim 3, characterized in that: A second sliding groove (22) is provided on the surface of the upper positioning slide plate (2), and the fixing screw (27) slides left and right inside the second sliding groove (22).

5. A foundation pit support formwork according to claim 4, characterized in that: A first connection block (26) is fixedly connected to the right side surface of the positioning slide block (23), and the right end of the first connection block (26) is rotatably connected to the left end of the support rod (31). A second connection block (3) is fixedly connected to the front side surface of the second support template (11), and the second connection block (3) is rotatably connected to the right end of the support rod (31).

6. A foundation pit support formwork according to claim 1, characterized in that: The positioning slide plates (2) are provided with two groups, and the positioning slide blocks (23) slide left and right inside the two groups of positioning slide plates (2). The upper surface of the positioning slide blocks (23) is provided with thread holes (25), and the fixing screws (27) are threadedly connected to the thread holes (25).

7. A foundation pit support formwork according to claim 1, characterized in that: The first fixing block (12) and the second fixing block (13) are both provided with connecting through holes (14), and the connecting through holes (14) are provided with latches (15). The first supporting formwork (1) and the second supporting formwork (11) have the same structure.

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