Steel structure enclosure one-way sliding structure for foundation pit

Abstract

The utility model discloses a one-way sliding structure of a steel structure enclosure for a foundation pit, which comprises connecting plates used for connecting the enclosure, and the connecting plates are positioned on two sides of the inner wall of the enclosure and are horizontally arranged; the I-shaped steel is connected with the connecting plate through a quick release assembly; the sleeve is arranged on the surface of the I-shaped steel in a sleeving manner and is in sliding connection with the I-shaped steel; the sliding mechanism is arranged between the I-shaped steel and the casing pipe, and the utility model relates to the technical field of foundation pit support. According to the steel structure enclosure one-way sliding structure for the foundation pit, through the arrangement of the sliding mechanism, the I-shaped steel slides towards the outside of the sleeve in a one-way mode, the positions of the limiting teeth need to be adjusted when the I-shaped steel slides towards the inside of the sleeve, the total length between the I-shaped steel and the sleeve is conveniently adjusted, and rapid limiting between the sleeve and the I-shaped steel is achieved; the foundation pit supports of different sizes can be effectively supported, meanwhile, the construction period is shortened, and the supporting cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit enclosure, in particular to a steel structure enclosure one-way sliding structure used for foundation pits. Background Art

[0002] With the acceleration of urbanization, infrastructure construction has also accelerated. In order to alleviate urban ground traffic congestion, high-speed railways, highways and subways have been built in large numbers. More and more attention has been paid to the importance of bank protection, slope protection and deep foundation pits of stations. In addition, due to the tight land supply and the influence of the surrounding environment, many second and third level foundation pits can only be supported by expensive bored cast-in-place piles.

[0003] According to patent authorization announcement number CN 220789780 U, a foundation pit retaining pile includes a retaining plate body; the retaining plate body includes a first retaining plate and a second retaining plate, the first retaining plate is inserted into the inside of the second retaining plate, the side wall of the second retaining plate is fixedly connected with a round rod, the side wall of the first retaining plate is provided with a sliding groove, and the round rod slides inside the sliding groove.

[0004] Existing foundation pit retaining piles, such as the above-mentioned utility model, support the retaining plate body by bolting the support plate to improve the stability of the retaining plate body. The size of the support plate is usually fixed, and the support parts in the retaining plate body need to be customized according to the size of the foundation pit, which is not only less practical but also more costly. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a one-way sliding structure for steel structure enclosure for foundation pits, which solves the problems of existing foundation pit enclosure piles, and supports the enclosure plate body by fixing the support plate with bolts, thereby improving the stability of the enclosure plate body. The size of the support plate is usually fixed, and the support members in the enclosure plate body need to be customized according to the size of the foundation pit, which not only has poor practicality but also has the problem of high cost.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a one-way sliding structure of a steel structure enclosure for a foundation pit, comprising: a connecting plate, the connecting plate is used to connect the enclosure, the connecting plate is located on both sides of the inner wall of the enclosure and is horizontally arranged; an I-beam, the I-beam is connected to the connecting plate through a quick-release assembly; a sleeve, the sleeve is sleeved on the surface of the I-beam and is slidably connected to the I-beam; a sliding mechanism, the sliding mechanism is arranged between the I-beam and the sleeve, the sliding mechanism controls the one-way sliding of the I-beam to adjust the overall length of the I-beam and the sleeve; a fine-tuning mechanism, the fine-tuning mechanism is arranged between the two sleeves, and is used to adjust the distance between the two sleeves.

[0007] Preferably, the quick-release assembly comprises a connecting seat and a connecting ear, the connecting seat is fixedly connected to the surface of the connecting plate, the connecting ear is fixedly connected to the end of the I-beam, and the connecting ear is slidably connected to the connecting seat.

[0008] Preferably, the sliding mechanism includes an installation box and a rack plate, the installation box is fixedly connected to the surface of the sleeve, the rack plate is fixedly connected to the surface of the I-beam, and there are limiting teeth in a sliding connection between the two sides of the inner wall of the installation box, and the limiting teeth penetrate the installation box and the sleeve and are adapted to the rack plate.

[0009] Preferably, an adjusting rod is fixedly connected to the top of the limiting teeth, and one end of the adjusting rod away from the limiting teeth passes through the installation box and extends to the outside of the installation box.

[0010] Preferably, a reset spring is fixedly connected to the top of the limiting tooth and on the surface of the adjusting rod, and the top end of the reset spring is fixedly connected to the top of the inner wall of the installation box.

[0011] Preferably, the fine-tuning mechanism comprises a threaded tube, the threaded tube is fixedly connected to one end of the sleeve via a connecting block, a bidirectional threaded rod is threadedly connected between the two threaded tubes, and an adjustment ring is fixedly connected to the surface of the bidirectional threaded rod.

[0012] Beneficial Effects

[0013] The utility model provides a one-way sliding structure for steel structure enclosure for foundation pit. Compared with the prior art, it has the following beneficial effects:

[0014] (1) The one-way sliding structure of the steel structure enclosure for foundation pit is used to connect the enclosure through a connecting plate. The connecting plates are located on both sides of the inner wall of the enclosure and are arranged horizontally. The I-beam is connected to the connecting plate through a quick-release assembly. The sleeve is sleeved on the surface of the I-beam and is slidably connected to the I-beam. The sliding mechanism is arranged between the I-beam and the sleeve. The sliding mechanism controls the one-way sliding of the I-beam to adjust the overall length of the I-beam and the sleeve. The fine-tuning mechanism is arranged between the two sleeves and is used to adjust the distance between the two sleeves. The quick-release mechanism replaces the transmission bolt connection, which greatly reduces the workload and work intensity of the construction personnel and has good practical value.

[0015] (2) The one-way sliding structure of the steel structure enclosure for foundation pits comprises an installation box and a rack plate through a sliding mechanism. The installation box is fixedly connected to the surface of the casing, the rack plate is fixedly connected to the surface of the I-beam, and the two sides of the inner wall of the installation box are slidably connected with limit teeth. The limit teeth penetrate the installation box and the casing and are matched with the rack plate. The top of the limit teeth is fixedly connected with an adjustment rod. The end of the adjustment rod away from the limit teeth penetrates the installation box and extends to the outside of the installation box. The top of the limit teeth and the surface of the adjustment rod are fixedly connected with a reset spring. The top of the reset spring is fixedly connected to the top of the inner wall of the installation box. Through the setting of the sliding mechanism, the I-beam is unidirectionally slid outside the casing. When sliding into the casing, the position of the limit teeth needs to be adjusted, which is convenient for adjusting the total length between the I-beam and the casing, and realizing rapid limit between the casing and the I-beam, which is convenient for effectively supporting foundation pit enclosures of different sizes, while saving construction time and reducing support costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;

[0019] Figure 4 It is a three-dimensional diagram of the quick-release mechanism of the utility model;

[0020] Figure 5 It is a three-dimensional diagram of the fine-tuning mechanism of the utility model.

[0021] In the figure: 1 connecting plate, 2 I-beam, 3 quick release assembly, 31 connecting seat, 32 connecting ear, 4 sliding mechanism, 41 mounting box, 42 rack plate, 43 limit teeth, 44 adjusting rod, 45 return spring, 5 fine adjustment mechanism, 51 threaded tube, 52 bidirectional threaded rod, 53 adjusting ring, 6 sleeve. DETAILED DESCRIPTION

[0022] 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.

[0023] The utility model provides two technical solutions:

[0024] Figure 1-Figure 5The first embodiment is shown: a one-way sliding structure for steel structure enclosure for foundation pit, comprising: a connecting plate 1, the connecting plate 1 is used to connect the enclosure, the connecting plate 1 is located on both sides of the inner wall of the enclosure and is horizontally arranged; an I-beam 2, the I-beam 2 is connected to the connecting plate 1 through a quick-release assembly 3; the quick-release assembly 3 comprises a connecting seat 31 and a connecting ear 32, the connecting seat 31 is fixedly connected to the surface of the connecting plate 1, the connecting ear 32 is fixedly connected to the end of the I-beam 2, the connecting ear 32 is slidably connected to the connecting seat 31, and a sleeve 6, the sleeve 6 is sleeved on the surface of the I-beam 2 and is connected to the connecting seat 31. The I-beam 2 is slidably connected; the sliding mechanism 4 is arranged between the I-beam 2 and the sleeve 6, and the sliding mechanism 4 controls the unidirectional sliding of the I-beam 2 to adjust the overall length of the I-beam 2 and the sleeve 6; the fine-tuning mechanism 5 is arranged between the two sleeves 6 and is used to adjust the distance between the two sleeves 6, and the fine-tuning mechanism 5 includes a threaded tube 51, and the threaded tube 51 is fixedly connected to one end of the sleeve 6 through a connecting block, and a bidirectional threaded rod 52 is threadedly connected between the two threaded tubes 51, and an adjustment ring 53 is fixedly connected to the surface of the bidirectional threaded rod 52.

[0025] Figure 2 and 3 A second embodiment is shown, and its main difference from the first embodiment is that the sliding mechanism 4 includes an installation box 41 and a rack plate 42, the installation box 41 is fixedly connected to the surface of the sleeve 6, the rack plate 42 is fixedly connected to the surface of the I-beam 2, and a limiting tooth 43 is slidably connected between the two sides of the inner wall of the installation box 41, the limiting tooth 43 penetrates the installation box 41 and the sleeve 6 and is adapted to the rack plate 42, an adjusting rod 44 is fixedly connected to the top of the limiting tooth 43, and one end of the adjusting rod 44 away from the limiting tooth 43 penetrates the installation box 41 and extends to the outside of the installation box 41, a reset spring 45 is fixedly connected to the top of the limiting tooth 43 and located on the surface of the adjusting rod 44, and the top of the reset spring 45 is fixedly connected to the top of the inner wall of the installation box 41.

[0026] By setting the sliding mechanism 4, the I-beam 2 can be slid unidirectionally outside the casing 6. When sliding into the casing 6, the position of the limiting teeth 43 needs to be adjusted, which facilitates the adjustment of the total length between the I-beam 2 and the casing 6, and realizes the rapid limitation between the casing 6 and the I-beam 2, which is convenient for effectively supporting foundation pit enclosures of different sizes, while saving construction time and reducing support costs.

[0027] When in use, after the connecting plate 1 is fixedly connected to the protective steel structure of the inner wall of the foundation pit, the I-beam 2 is then slid to adjust the total length between the I-beam 2 and the sleeve 6 to an appropriate size, and the connecting ear 32 is inserted into the connecting seat 31 to complete the connection between the I-beam 2 and the connecting plate 1. Then the adjusting ring 53 is rotated to drive the bidirectional threaded rod 52 to rotate. The bidirectional threaded rod 52 rotates and cooperates with the threaded tube 51 to fine-tune the total length between the I-beam 2 and the sleeve 6, so that the I-beam 2 and the sleeve 6 can effectively support the connecting plate 1.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The one-way sliding structure of steel structure enclosure used for foundation pit is characterized by: include: A connecting plate (1), the connecting plate (1) being used to connect the enclosure, the connecting plate (1) being located on both sides of the inner wall of the enclosure and being arranged horizontally; An I-beam (2), wherein the I-beam (2) is connected to the connecting plate (1) via a quick-release assembly (3); A sleeve (6), wherein the sleeve (6) is sleeved on the surface of the I-beam (2) and is slidably connected to the I-beam (2); A sliding mechanism (4), the sliding mechanism (4) being arranged between the I-beam (2) and the sleeve (6), the sliding mechanism (4) controlling the unidirectional sliding of the I-beam (2) to adjust the overall length of the I-beam (2) and the sleeve (6); A fine-tuning mechanism (5), wherein the fine-tuning mechanism (5) is arranged between the two sleeves (6) and is used to adjust the distance between the two sleeves (6).

2. The one-way sliding structure for steel structure enclosure for foundation pit according to claim 1 is characterized in that: The quick-release assembly (3) comprises a connecting seat (31) and a connecting ear (32); the connecting seat (31) is fixedly connected to the surface of the connecting plate (1); the connecting ear (32) is fixedly connected to the end of the I-beam (2); and the connecting ear (32) is slidably connected to the connecting seat (31).

3. The one-way sliding structure for steel structure enclosure for foundation pit according to claim 1 is characterized in that: The sliding mechanism (4) comprises a mounting box (41) and a rack plate (42); the mounting box (41) is fixedly connected to the surface of the sleeve (6); the rack plate (42) is fixedly connected to the surface of the I-beam (2); and limiting teeth (43) are slidably connected between the two sides of the inner wall of the mounting box (41); the limiting teeth (43) penetrate the mounting box (41) and the sleeve (6) and are matched with the rack plate (42).

4. The one-way sliding structure for steel structure enclosure for foundation pit according to claim 3 is characterized in that: The top of the limiting tooth (43) is fixedly connected with an adjusting rod (44), and one end of the adjusting rod (44) away from the limiting tooth (43) penetrates the installation box (41) and extends to the outside of the installation box (41).

5. The one-way sliding structure for steel structure enclosure for foundation pit according to claim 4 is characterized in that: A return spring (45) is fixedly connected to the top of the limiting tooth (43) and located on the surface of the adjusting rod (44), and the top end of the return spring (45) is fixedly connected to the top of the inner wall of the installation box (41).

6. The one-way sliding structure for steel structure enclosure for foundation pit according to claim 1 is characterized in that: The fine adjustment mechanism (5) comprises a threaded tube (51), wherein the threaded tube (51) is fixedly connected to one end of a sleeve (6) via a connecting block, a bidirectional threaded rod (52) is threadedly connected between the two threaded tubes (51), and an adjustment ring (53) is fixedly connected to the surface of the bidirectional threaded rod (52).

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