Quickly-mounted foundation pit steel supporting structure

Abstract

The utility model provides a foundation pit steel support structure capable of being installed quickly, which belongs to the technical field of steel supports for foundation pit supporting and comprises a foundation slab, a fixing seat is fixedly connected to the side wall of the foundation slab, a butt joint plate is arranged on the fixing seat, a locking mechanism is arranged on the fixing seat, and the butt joint plate is connected with the locking mechanism. The fixing base is connected with the butt joint plate through the locking mechanism, a fixing block is arranged at the end, away from the fixing base, of the butt joint plate, and a telescopic mechanism is arranged at the end, away from the butt joint plate, of the fixing block. The foundation pit steel supporting structure solves the problems that when an existing foundation pit steel supporting structure carries out supporting operation on foundation pits with different widths, workers need to adjust the overall length of the steel supporting structure through bolts, operation is inconvenient, the installation efficiency of the foundation pit steel supporting structure is reduced, and practicability is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of steel support of foundation pit support, and specifically relates to a fast -installed foundation pit steel support structure. BACKGROUND

[0002] The foundation pit support is the support, reinforcement and protection measures for the side wall and surrounding environment of the foundation pit to ensure the safety of underground structure construction and the surrounding environment, and the foundation pit support usually uses a steel support structure for support, and the steel support structure mainly uses a steel pipe for supporting the foundation pit, a large number of deep foundation pit projects are generated in the development of underground space in China, and the deep foundation pit usually needs to be supported to ensure the safety of the foundation pit itself and the safety of the adjacent buildings, roads and pipelines and the environment. The underground continuous wall is used as the enclosure structure of the foundation pit and has the advantages of large rigidity, good water stop performance, high safety and the like, and has been widely applied to deep foundation pit projects. When the underground continuous wall is used as the enclosure structure of the foundation pit, the conventional connection method of the underground continuous wall and the foundation bottom plate is to pre-bury a steel plate in the underground continuous wall, and then use a steel support structure for support, and the steel support structure mainly uses a steel pipe for supporting the foundation pit.

[0003] The prior art CN220080022U discloses a steel support structure for foundation pit support, which comprises a first support pipe, a second support pipe, a butt joint plate, a fixing seat, a foundation bottom plate and a moving groove, the outer side of the first support pipe is provided with the second support pipe, the end portions of the first support pipe and the second support pipe are both provided with the butt joint plate, and the outer side of the butt joint plate is connected with the fixing seat. When the device is used for supporting the foundation pit with different widths, the overall length of the steel support structure needs to be adjusted by the staff through bolts, which is inconvenient to operate, reduces the installation efficiency of the foundation pit steel support structure, and greatly reduces the practicability. UTILITY MODEL CONTENTS

[0004] The utility model provides a fast -installed foundation pit steel support structure, and its purpose lies in solving the problem that the existing foundation pit steel support structure needs to be adjusted by staff through bolts when being used for supporting the foundation pit with different widths, which is inconvenient to operate, reduces the installation efficiency of the foundation pit steel support structure, and greatly reduces the practicality.

[0005] The utility model embodiment provides a fast -installed foundation pit steel support structure, including foundation bottom plate, the lateral wall of foundation bottom plate is fixedly connected with fixed seat, be provided with butt joint plate on fixed seat, be provided with locking mechanism on fixed seat, fixed seat with butt joint plate is connected through locking mechanism, the one end of butt joint plate away from fixed seat is provided with fixed block, the one end of fixed block away from butt joint plate is provided with telescopic mechanism.

[0006] Further, the fixing seat is sequentially provided with a groove, a first insertion hole, a sliding slot and a second insertion hole from inside to outside.

[0007] By adopting the above technical scheme, the locking mechanism is convenient to install, and the automatic installation and convenient disassembly of the butt joint plate are realized by using the locking mechanism.

[0008] Further, the butt joint plate is provided with an insertion hole, the butt joint plate is inserted into the groove, and the insertion hole corresponds to the first insertion hole.

[0009] By adopting the above technical scheme, the automatic installation and convenient disassembly of the butt joint plate are realized by using the locking mechanism.

[0010] Further, the locking mechanism comprises a limiting block slidingly connected in the sliding slot, one end of the limiting block close to the first insertion hole is fixedly connected with a protruding block, the protruding block protrudes out of the first insertion hole, the protruding block protrudes into the insertion hole, one end of the limiting block away from the first insertion hole is fixedly connected with a first connecting block and a spring, the spring is sleeved outside the first connecting block, the other end of the spring is fixedly connected with the inner wall of the sliding slot, the other end of the first connecting block protrudes out of the second insertion hole, one end of the first connecting block away from the limiting block is fixedly connected with a second connecting block, and the other end of the second connecting block is fixedly connected with a pull ring.

[0011] By adopting the above technical scheme, in order to perform the foundation pit supporting operation, the foundation bottom plate is fixed on the side wall of the foundation pit, the butt joint plate is inserted into the groove, in the process of inserting the butt joint plate, the curved surface of the protruding block pushes the protruding block in the direction of the sliding slot, in this process, the spring is in a contraction state, until the insertion hole corresponds to the first insertion hole, the spring pushes the protruding block into the insertion hole through the limiting block by using the elastic force, the quick installation of the butt joint plate is realized, in the process of installation, the worker does not need to pull the pull ring to complete the installation of the butt joint plate, the operation is simple, and the installation efficiency of the foundation pit steel support structure is improved, when the foundation pit steel support structure needs to be disassembled, the pull ring is pulled outward, the protruding block is driven to separate from the insertion hole through the first connecting block and the limiting block, the butt joint plate is convenient to take down, and the steel support structure is convenient to disassemble, replace or maintain.

[0012] Further, one end of the butt joint plate away from the fixing seat is fixedly connected with a third connecting block, and the other end of the third connecting block is fixedly connected with the fixing block.

[0013] By adopting the above technical scheme, the fixing block is fixedly connected with a plurality of telescopic mechanisms, which is conducive to strengthening the support strength of the steel support structure on the foundation pit, reducing the damage rate of the single support column and the support column, protecting the steel support structure, saving maintenance cost, and having high practicability.

[0014] Further, the telescopic mechanism comprises a support column one and a support column two fixed on the fixed block, a long slot is formed in the support column two, the right end of the support column one extends into the long slot, the outer wall of the support column one is in sliding connection with the support column two, a mounting slot is formed in the support column one, and an electric cylinder is fixedly connected in the mounting slot.

[0015] By adopting the above technical scheme, when supporting work is performed on foundation pits with different widths, the support column two is moved towards or away from the support column one by the electric cylinder, the overall length of the support column one and the support column two is adjusted, the support column one and the support column two can be adapted to foundation pits with different widths, the application range of the steel support structure is widened, the overall length of the support column one and the support column two is adjusted by the electric cylinder, the overall length of the support column one and the support column two does not need to be adjusted and fixed by the staff through bolts, the operation is simple, the steel structure installation efficiency of the foundation pit is improved, and the practicality is high.

[0016] The utility model discloses the beneficial effects are:

[0017] 1, the utility model discloses through the setting of fixed seat, the installation of locking mechanism is convenient, and the automatic installation and convenient disassembly of butt joint plate are realized by locking mechanism.

[0018] 2, the utility model discloses through the setting of locking mechanism, in order to carry out foundation pit support work, the base bottom plate is fixed on the foundation pit side wall, and the butt joint plate is inserted into the recess, in the process of butt joint plate insertion, the convex block is pushed to the direction of the sliding slot by the curved surface of the convex block, the spring is in the shrinkage state in this process, until the time when the spigot and the spigot hole one correspond, the spring pushes the convex block into the spigot by the elastic force through the limiting block, realizes the quick installation of butt joint plate, in the process of installation, staff does not need to personally pull the pull ring to complete the installation of butt joint plate, and the operation is simple, and the installation efficiency of foundation pit steel support structure is improved, when needing to disassemble the foundation pit steel support structure, the pull ring is pulled outward, and the convex block is separated from the spigot through the connecting block one and the limiting block, so that the butt joint plate is conveniently taken down, and the steel support structure is conveniently disassembled, replaced or maintained.

[0019] 3, the utility model discloses through the setting of fixed block, and a plurality of telescopic mechanisms are fixedly connected on the fixed block, which is favorable to strengthen the support strength of the steel support structure on the foundation pit, is favorable to reduce the damage rate of single support column one and support column two, is favorable to the protection of the steel support structure, is favorable to the maintenance cost, and the practicality is high.

[0020] 4、The utility model discloses via the setting of telescopic mechanism, when the support operation of different width foundation pit is carried out, utilize the telescopic electric cylinder and move the direction of support column no. 2 close or away from support column no. 1, the overall length of support column no. 1 and support column no. 2 is adjusted conveniently, and it is favorable to adapt to the support of different width foundation pit, expand the applicable scope of steel support structure, and utilize the electric cylinder and realize the adjustment of the overall length of support column no. 1 and support column no. 2, and staff need not utilize bolt and adjust and fix the overall length of two, and the operation is simple, improves the steel structure installation efficiency of foundation pit, and the practicality is strong.

[0021] Other features and advantages of the present utility model will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following specification or can be learned by practice of the present utility model. The objects and other advantages of the present utility model can be realized and obtained by means of the structures particularly pointed out in the description and accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings incorporated in and forming a part of the specification, illustrate embodiments of the present utility model and, together with the description, serve to explain the principles of the utility model. In the drawings:

[0023] Figure 1 It is the main view cross section structure schematic diagram of the utility model embodiment;

[0024] Figure 2 It is the a place enlarged view schematic diagram of the utility model embodiment Figure 1 ;

[0025] Figure 3 It is the b place enlarged view schematic diagram of the utility model embodiment Figure 1 ;

[0026] Signs: 1, base plate;2, fixed seat;21, recess;22, jack one;23, sliding slot;24, jack two;3, butt joint plate;31, spigot;4, locking mechanism;41, protruding block;42, limit block;43, connecting block one;44, spring;45, connecting block two;46, pull ring;5, fixed block;51, connecting block three;6, telescopic mechanism;61, support column no. 1;62, mounting groove;63, support column no. 2;64, long slot;65, electric cylinder. DETAILED DESCRIPTION

[0027] In order to make the technical scheme of the utility model, the technical scheme and the advantages of the embodiment of the utility model more clearly, the technical scheme of the embodiment of the utility model will be described clearly and completely in the following with reference to the drawings of the embodiment of the utility model. The same reference signs in the drawings represent the same parts. It should be noted that the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] With reference to Figures 1-3 The utility model embodiment proposes a kind of fast installation's foundation pit steel support structure, including foundation base plate 1, fixedly connected with fixed seat 2 on the side wall of foundation base plate 1, recess 21, insertion hole one 22, sliding slot 23 and insertion hole two 24 are sequentially set on fixed seat 2 from inside to outside, it is convenient to lock mechanism 4's installation, it is convenient to realize automatic installation and convenient disassembly to butt plate 3 using lock mechanism 4.

[0029] Fixed seat 2 is provided with butt plate 3, insertion 31 is set on butt plate 3, butt plate 3 is inserted into recess 21, insertion 31 corresponds with insertion hole one 22, it is convenient to realize automatic installation and convenient disassembly to butt plate 3 using lock mechanism 4.

[0030] The fixing base 2 is provided with a locking mechanism 4, the fixing base 2 is connected with the butt joint plate 3 through the locking mechanism 4, the locking mechanism 4 comprises a limiting block 42 slidably connected in a sliding groove 23, the limiting block 42 is fixedly connected with a protruding block 41 at one end close to the insertion hole one 22, the protruding block 41 extends out of the insertion hole one 22, the protruding block 41 extends into the insertion port 31, one end of the limiting block 42 away from the insertion hole one 22 is fixedly connected with a connecting block one 43 and a spring 44, the outer side of the connecting block one 43 is sleeved with the spring 44, the other end of the spring 44 is fixedly connected with the inner wall of the sliding groove 23, the other end of the connecting block one 43 extends out of the insertion hole two 24, one end of the connecting block one 43 away from the limiting block 42 is fixedly connected with a connecting block two 45, the other end of the connecting block two 45 is fixedly connected with a pull ring 46, in order to carry out the foundation pit supporting operation, the foundation base plate 1 is fixed on the side wall of the foundation pit, the butt joint plate 3 is inserted into the recess 21, in the process of inserting the butt joint plate 3, the butt joint plate 3 pushes the protruding block 41 towards the sliding groove 23 by using the curved surface of the protruding block 41, in this process, the spring 44 is in a contraction state, until the insertion port 31 corresponds to the insertion hole one 22, the spring 44 pushes the protruding block 41 into the insertion port 31 through the limiting block 42 by using the elastic force, the quick installation of the butt joint plate 3 is realized, in the process of installation, the staff does not need to pull the pull ring 46 to complete the installation of the butt joint plate 3, the operation is simple, and the installation efficiency of the foundation pit steel support structure is improved, when it is necessary to disassemble the foundation pit steel support structure, the pull ring 46 is pulled outwards, the protruding block 41 is driven to disengage from the insertion port 31 through the connecting block one 43 and the limiting block 42, the butt joint plate 3 is conveniently taken down, and the steel support structure is conveniently disassembled, replaced or maintained.

[0031] The butt joint plate 3 is provided with a fixing block 5 at one end away from the fixing base 2, the butt joint plate 3 is fixedly connected with a connecting block three 51 at one end away from the fixing base 2, the other end of the connecting block three 51 is fixedly connected with the fixing block 5, the fixing block 5 is fixedly connected with a plurality of telescopic mechanisms 6, which is beneficial to strengthen the support strength of the steel support structure on the foundation pit, beneficial to reduce the damage rate of the single support column one 61 and the support column two 62, convenient for protecting the steel support structure, beneficial to save maintenance cost, and high in practicality.

[0032] A telescopic mechanism 6 is provided at the end of the fixed block 5 away from the docking plate 3. The telescopic mechanism 6 includes a first support column 61 and a second support column 63 fixed to the fixed block 5. The second support column 63 has an elongated groove 64. The right end of the first support column 61 extends into the elongated groove 64. The outer wall of the first support column 61 is slidably connected to the second support column 63. The first support column 61 has an installation groove 62. An electric cylinder 65 is fixedly connected to the installation groove 62. The output end of the electric cylinder 65 is fixedly connected to the inner wall of the elongated groove 64. When supporting pits of different widths, The electric cylinder 65 is used to extend and retract the support column 2 63 to move it closer to or further away from the support column 1 61, which facilitates the adjustment of the overall length of the support column 1 61 and the support column 2 63. This is beneficial for supporting foundation pits of different widths, expanding the applicability of the steel support structure. Furthermore, the electric cylinder 65 enables the adjustment of the overall length of the support column 1 61 and the support column 2 63 without the need for workers to use bolts to adjust and fix the overall length of the two. The operation is simple, improves the installation efficiency of the steel structure of the foundation pit, and is highly practical.

[0033] The specific implementation method is as follows: During use, for foundation pit support operations, the connecting plate 3 is inserted into the groove 21. During insertion, the curved surface of the protrusion 41 pushes it towards the slide groove 23. During this process, the spring 44 is in a contracted state. When the insertion port 31 aligns with the insertion hole 22, the spring 44 uses its elasticity to push the protrusion 41 into the insertion port 31 via the limiting block 42, thus achieving rapid installation of the connecting plate 3. When it is necessary to disassemble the foundation pit steel support structure, the pull ring 46 is pulled outwards, which, through the connecting block 43 and the limiting block 42, drives... The protrusion 41 disengages from the socket 31, the docking plate 3 is removed, and the steel support structure is disassembled, replaced, or maintained. Several telescopic mechanisms 6 are fixedly connected to the fixing block 5 to strengthen the support strength of the steel support structure for the foundation pit, so as to reduce the damage rate of the single support column 61 and support column 62 and protect the steel support structure. When supporting foundation pits of different widths, the electric cylinder 65 is used to telescopically move the support column 63 towards or away from the support column 61, and the overall length of the support column 61 and support column 63 is adjusted to adapt to the foundation pits of different widths for support.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A fast installation of a foundation pit steel support structure, comprising a foundation base plate (1), characterized in that, The side wall of the base plate (1) is fixedly connected with a fixed seat (2), the fixed seat (2) is provided with a butt plate (3), the fixed seat (2) is provided with a locking mechanism (4), the fixed seat (2) is connected with the butt plate (3) through the locking mechanism (4), one end of the butt plate (3) away from the fixed seat (2) is provided with a fixed block (5), one end of the fixed block (5) away from the butt plate (3) is provided with a telescopic mechanism (6).

2. A quick installation foundation pit steel support structure according to claim 1, characterized in that, The fixed seat (2) is sequentially provided with a groove (21), a first insertion hole (22), a sliding groove (23) and a second insertion hole (24) from inside to outside.

3. A rapid installation excavation steel support structure according to claim 2, characterised in that, The butt plate (3) is provided with an insertion hole (31), the butt plate (3) is inserted into the groove (21), and the insertion hole (31) corresponds to the first insertion hole (22).

4. A rapid installation excavation steel support structure according to claim 3 wherein, The locking mechanism (4) comprises a limiting block (42) slidably connected in the sliding groove (23), one end of the limiting block (42) close to the first insertion hole (22) is fixedly connected with a protruding block (41), the protruding block (41) protrudes out of the first insertion hole (22), the protruding block (41) protrudes into the insertion hole (31), one end of the limiting block (42) away from the first insertion hole (22) is fixedly connected with a first connecting block (43) and a spring (44), the outer side of the first connecting block (43) is provided with the spring (44), the other end of the spring (44) is fixedly connected with the inner wall of the sliding groove (23), the other end of the first connecting block (43) protrudes out of the second insertion hole (24), one end of the first connecting block (43) away from the limiting block (42) is fixedly connected with a second connecting block (45), and the other end of the second connecting block (45) is fixedly connected with a pull ring (46).

5. The quick installation foundation pit steel support structure according to claim 1, characterized in that, One end of the butt plate (3) away from the fixed seat (2) is fixedly connected with a third connecting block (51), and the other end of the third connecting block (51) is fixedly connected with the fixed block (5).

6. A quick installation foundation pit steel support structure according to claim 1, characterized in that, The telescopic mechanism (6) comprises a first supporting column (61) and a second supporting column (63) fixed on the fixed block (5), the second supporting column (63) is provided with a long groove (64), the right end of the first supporting column (61) protrudes into the long groove (64), the outer wall of the first supporting column (61) is slidably connected with the second supporting column (63), the first supporting column (61) is provided with a mounting groove (62), the mounting groove (62) is fixedly connected with an electric cylinder (65), and the output end of the electric cylinder (65) is fixedly connected with the inner wall of the long groove (64).

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