An anti-corrosion foundation pit support device

By using anticorrosion plates, fixing frames and clamp structures in foundation pit support devices, the problem of easy corrosion of the support plate is solved and the service life of the support plate is extended.

CN115627774BActive Publication Date: 2025-07-25CHINA MCC17 GRP CO LTD
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
CN202211315979.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-26
Publication Date
2025-07-25
Estimated Expiration
2042-10-26

AI Technical Summary

Technical Problem

The support plates in existing foundation pit support devices are prone to corrosion and affect their service life.

Method used

The anticorrosion plate, fixing frame and clamp structure is adopted. The anticorrosion plate is fixed to the support parts through clamping to protect the support panel and delay the corrosion speed.

Benefits of technology

It effectively extends the service life of the support plate and slows down the corrosion rate.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN115627774B_ABST
    Figure CN115627774B_ABST
Patent Text Reader

Abstract

The present invention discloses an anti-corrosion foundation pit support device, belonging to the field of building support devices. The present invention includes a bottom plate, a support member, a support component and a protective component. One end of the support member is arranged on the bottom plate, and the other end is connected to the support component. The protective component is clamped on the support component, and the wall surface of the protective component in contact with the side wall of the foundation pit is provided with an anti-corrosion plate. Aiming at the problem that the support plate in the existing foundation pit support device is easily damaged, the present invention intends to provide an anti-corrosion foundation pit support device, which can effectively protect the support plate and extend its service life.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the technical field of building support equipment, and in particular to an anti-corrosion foundation pit support equipment. Background Technique

[0002] Foundation pit support is a support, reinforcement and protection measure for the foundation pit side wall and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit. During the construction of municipal culvert projects, in order to ensure the quality of the project and the safety of construction, the method of steel sheet piles plus internal supports is generally used for support and protection. When using a support device to support the foundation pit, the support plate contacts the foundation pit, and after long-term contact, the support plate is prone to corrosion, thus affecting the service life of the support device.

[0003] Currently, various forms of support devices have been disclosed in the industry, and generally focus on the stability performance of the support device. For example, Chinese Patent Application No.: 2021105412811 discloses a foundation pit support structure and a foundation pit support component, including a retaining plate, and further including: a horizontal support mechanism for horizontally supporting the retaining plate; a clamping and fixing mechanism, a fixing seat is fixedly connected to the bottom of the retaining plate, and the clamping and fixing mechanism is fixedly connected to the fixing seat, so as to fix the retaining plate in the vertical direction; the horizontal support mechanism and the clamping and fixing mechanism cooperate to make the retaining plate have good support performance. Little attention is paid to the damage protection of the supported part. Summary of the Invention

[0004] 1. Technical Problems to be Solved by the Invention

[0005] The purpose of the present invention is to provide an anti-corrosion foundation pit support equipment for the problem that the support plate in the existing foundation pit support device is easily damaged, which can effectively protect the support plate and extend its service life.

[0006] 2. Technical Solution

[0007] To achieve the above object, the technical solution provided by the present invention is as follows:

[0008] An anti-corrosion foundation pit support equipment of the present invention includes a bottom plate, a support member, a support member and a protection member. One end of the support member is arranged on the bottom plate, and the other end is connected to the support member. The protection member is snap-fitted on the support member, and the wall surface of the protection member in contact with the foundation pit side wall is set as an anti-corrosion plate.

[0009] Furthermore, the protection member includes an anti-corrosion plate, a fixing frame and a clamping block. The fixing frame is arranged on the outer periphery of the anti-corrosion plate, and clamping blocks are arranged around the inner side of the anti-corrosion plate. Corresponding slots are arranged on the support member to cooperate with the clamping blocks. Through the snap-fitting of the clamping blocks and the slots, the protection member is sleeved outside the support member.

[0010] Furthermore, the support member is a telescopic rod member, including a first connecting rod, a movable tube and a spacing adjustment assembly. The movable tube is slidably sleeved outside the first connecting rod, and the top end of the movable tube is connected to the support member. The bottom end of the first connecting rod is connected to the bottom plate, and the top end of the first connecting rod extends and slides inside the movable tube. One end of the spacing adjustment assembly is installed on the first connecting rod, and the other end is installed on the movable tube to drive the sliding of the movable tube.

[0011] Furthermore, the spacing adjustment assembly includes a first fixing block, a second fixing block and a first threaded rod. The first fixing block is arranged on the movable tube, the second fixing block is arranged on the first connecting rod, the first threaded rod is threadedly fitted through the second fixing block and the tail end is rotatably connected to the first fixing block. A first handle is also provided at the front end of the first threaded rod. By rotating the first threaded rod, the movable tube is driven to slide along the first connecting rod.

[0012] Furthermore, the support member includes a support plate that is fitted and clamped with the anticorrosive plate. The clamping groove is opened on the support plate, and a baffle is also provided on the upper part of the side of the support plate facing away from the anticorrosive plate. A sealing ring is also provided along the circumference on the fixing frame of the protection member.

[0013] Furthermore, a fixing mechanism is also provided below the support member. The fixing mechanism includes a first fixing frame and a second threaded rod. The first fixing frame is arranged on the bottom plate and is provided with a first movable groove. The bottom of the second threaded rod passes through the first movable groove and is fastened by a fixing nut. A supporting block adapted to the outer wall of the support member is provided at the top of the second threaded rod.

[0014] Furthermore, a reinforcement mechanism is also provided above the support member. The reinforcement mechanism includes a second fixing frame, a movable frame and a second connecting rod. The second fixing frame is arranged on the bottom plate, the movable frame is slidably arranged on the second fixing frame, and a second connecting rod is provided at the top end of the movable frame. The second connecting rod extends towards the support member and a pressing block adapted to the outer wall of the support member is provided at the end.

[0015] Furthermore, the movable frame includes a sliding part that fits through the lower part of the second fixing frame. Upward extending parts are respectively provided at both ends of the sliding part. The top end of the upward extending part facing the outside of the movable frame is connected to the second connecting rod, and a third threaded rod is threadedly installed on the upward extending part facing the inside of the movable frame. The third threaded rod passes through the upward extending part, and the end is rotatably connected to the second fixing frame. A second handle is provided at the other end of the third threaded rod.

[0016] Furthermore, a second movable groove is opened in the upper part of the second fixing frame along the height direction, and a sliding groove is also correspondingly provided inside the upward extending part on the outside of the movable frame. The second connecting rod passes through the second movable groove and the sliding groove respectively, and the end is fastened by a fastening block.

[0017] Furthermore, a plurality of fixing bolts are also provided on the bottom plate.

[0018] 3. Beneficial Effects

[0019] Adopting the technical solution provided by the present invention, compared with the prior art, it has the following beneficial effects:

[0020] In the present invention, through the cooperation of the anti-corrosion plate, the fixing frame and the clamping block structure, the fixing frame is sleeved on the supporting member, and the clamping block is clamped on the supporting member to fix the anti-corrosion plate, thereby fixing the fixing frame. The supporting member is protected by the anti-corrosion plate and the fixing frame, the corrosion speed of the supporting member is slowed down, and the service life of the supporting member is prolonged. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic structural diagram of an anti-corrosion foundation pit support device proposed by the present invention;

[0022] Figure 2 It is a schematic structural diagram of a support member in an anti-corrosion foundation pit support device proposed by the present invention;

[0023] Figure 3 It is a schematic structural diagram of a supporting member in an anti-corrosion foundation pit support device proposed by the present invention;

[0024] Figure 4 It is a schematic structural diagram of a protective member in an anti-corrosion foundation pit support device proposed by the present invention;

[0025] Figure 5 It is a schematic structural diagram of a fixing mechanism in an anti-corrosion foundation pit support device proposed by the present invention;

[0026] Figure 6 It is a schematic structural diagram of a reinforcement mechanism in an anti-corrosion foundation pit support device proposed by the present invention.

[0027] In the figure: bottom plate 1; fixing bolt 2; support member 3; supporting member 4; protective member 5; fixing mechanism 6; reinforcement mechanism 7; first connecting rod 31; movable tube 32; spacing adjustment assembly 33; first fixing block 331; second fixing block 332; first threaded rod 333; first handle 334; support plate 41; card slot 42; baffle 43; anti-corrosion plate 51; fixing frame 52; clamping block 53; sealing ring 54; first fixing frame 61; first movable slot 62; second threaded rod 63; fixing nut 64; second fixing frame 71; second movable slot 72; movable frame 73; sliding slot 74; fastening block 75; second connecting rod 76; third threaded rod 77; second handle 78. DETAILED DESCRIPTION OF THE INVENTION

[0028] To further understand the content of the present invention, the present invention will be described in detail with reference to the accompanying drawings.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0030] The present invention will be further described below in conjunction with embodiments.

[0031] Embodiment 1

[0032] As Figures 1 - 4 shown, an anti-corrosion foundation pit support device in this embodiment includes a bottom plate 1, a support member 3, a support member 4, and a protection member 5. One end of the support member 3 is disposed on the bottom plate 1, and the other end is connected to the support member 4. The protection member 5 is snap-connected to the support member 4, and the wall surface of the protection member 5 in contact with the side wall of the foundation pit is provided with an anti-corrosion plate 51.

[0033] Specifically, as Figure 4 shown, the protection member 5 includes an anti-corrosion plate 51, a fixing frame 52, and a clamping block 53. The anti-corrosion plate 51 can specifically adopt a PVC anti-corrosion plate, and a fixing frame 52 is provided on the outer periphery, and clamping blocks 53 are provided around the inner side of the anti-corrosion plate 51. As Figure 3 shown, the support member 4 includes a support plate 41 that is fitted and snap-connected to the anti-corrosion plate 51. Corresponding slots 42 for cooperating with the clamping blocks 53 are provided on the support plate 41. Through the snap connection of the clamping blocks 53 and the slots 42, the protection member 5 is sleeved outside the support member 4. A dust-proof baffle 43 is also provided on the upper part of the side of the support plate 41 facing away from the anti-corrosion plate 51; a sealing ring 54 is also provided circumferentially on the fixing frame 52 of the protection member 5 for sealing the gap between the support member 4 and the fixing frame 52.

[0034] In this embodiment, multiple fixing bolts 2 are fixedly connected to the bottom plate 1 for fixing the bottom plate 1. The support member 3 is used to support the support member 4, and the support member 4 is used to closely contact the side wall of the foundation pit to support the side wall of the foundation pit. By snap-connecting the protection member 5 to the support member 4, the support member 4 is protected by the anti-corrosion plate 51 and the fixing frame 52, thereby effectively delaying the corrosion speed of the support member 4 and extending the service life of the support member 4.

[0035] Embodiment 2

[0036] An anti-corrosion foundation pit support device in this embodiment is basically the same as that in Embodiment 1. Further, as Figure 2As shown in the figure, the support member 3 is a telescopic rod member, including a first connecting rod 31, a movable tube 32 and a spacing adjustment assembly 33. The movable tube 32 is slidably sleeved outside the first connecting rod 31. The top end of the movable tube 32 is connected to the support member 4. The top end of the first connecting rod 31 extends and slides inside the movable tube 32. The bottom end of the first connecting rod 31 is connected to the bottom plate 1. One end of the spacing adjustment assembly 33 is installed on the first connecting rod 31, and the other end is installed on the movable tube 32 to drive the sliding of the movable tube 32 and adjust the relative distance between the first connecting rod 31 and the movable tube 32.

[0037] More specifically, the spacing adjustment assembly 33 includes a first fixing block 331, a second fixing block 332 and a first threaded rod 333. The first fixing block 331 is arranged on the movable tube 32, the second fixing block 332 is arranged on the first connecting rod 31. The first threaded rod 333 passes through the second fixing block 332 by thread fit, and the tail end is rotatably connected to the first fixing block 331. A first handle 334 is also provided at the front end of the first threaded rod 333. By rotating the first threaded rod 333, the movable tube 32 is driven to slide along the first connecting rod 31, so as to adjust the relative distance between the movable tube 32 and the first connecting rod 31 and meet the requirements of production practice.

[0038] Embodiment 3

[0039] An anti-corrosion foundation pit support device in this embodiment is basically the same as the above embodiment. Further, one end of the support member 3 is hinged to the bottom plate 1, and the other end is hinged to the support member 4. Specifically, the top end of the movable tube 32 is hinged to the support member 4, and the bottom end of the first connecting rod 31 is hinged to the bottom plate 1. Correspondingly, a fixing mechanism 6 is also provided below the support member 3, as Figure 5 shown. The fixing mechanism 6 includes a first fixing frame 61 and a second threaded rod 63. The first fixing frame 61 is arranged on the bottom plate 1 and is provided with a first movable groove 62 along the length direction. The bottom of the second threaded rod 63 passes through the first movable groove 62 and is fastened by a fixing nut 64. A supporting block adapted to the outer wall of the support member 3 is provided at the top of the second threaded rod 63, specifically an arc-shaped supporting block adapted to the shape of the first connecting rod 31, to maintain stable support for the support member 3, and the horizontal lateral position of the second threaded rod 63 can also be adjusted in the first movable groove 62 to meet the practical requirements.

[0040] Embodiment 4

[0041] An anti-corrosion foundation pit support device in this embodiment is basically the same as the above embodiment. Further, a reinforcement mechanism 7 is also provided above the support member 3, as Figure 6As shown in the figure, the reinforcement mechanism 7 includes a second fixing frame 71, a movable frame 73 and a second connecting rod 76. The second fixing frame 71 is arranged on the bottom plate 1. The movable frame 73 is slidably arranged on the second fixing frame 71. The top of the movable frame 73 is provided with a second connecting rod 76. The second connecting rod 76 extends towards the support member 3 and is provided with a pressing block at the end adapted to cooperate with the outer wall of the support member 3, specifically an arc-shaped pressing block adapted to cooperate with the outer wall of the movable tube 32 of the support member 3.

[0042] Furthermore, the movable frame 73 includes a sliding part that fits through the lower part of the second fixing frame 71. Both ends of the sliding part are respectively provided with upward extending parts. The top of the upward extending part facing the outside of the movable frame 73 is connected to the second connecting rod 76. A third threaded rod 77 is threadedly installed on the upward extending part facing the inside of the movable frame 73. The third threaded rod 77 passes through the upward extending part, and the end is rotatably connected to the second fixing frame 71. A second handle 78 is provided at the other end of the third threaded rod 77. Further, a second movable groove 72 is opened in the upper part of the second fixing frame 71 along the height direction. A sliding groove 74 is also correspondingly provided in the upward extending part on the outside of the movable frame 73. The second connecting rod 76 passes through the second movable groove 72 and the sliding groove 74 respectively, and the end is fastened by a fastening block 75, specifically, a fastening nut or the like can be used. By rotating the third threaded rod 77, the sliding of the movable frame 73 in the second fixing frame 71 can be adjusted, so as to adjust the extending position of the second connecting rod 76 to maintain stable pressing on the support member 3, and the height position of the second connecting rod 76 can also be correspondingly adjusted to meet the practical requirements.

[0043] The above schematically describes the present invention and its implementation manners. This description is not restrictive. It is only one of the implementation manners of the present invention, and the actual situation is not limited thereto. Therefore, if those of ordinary skill in the art are inspired by it and design similar structural manners and embodiments without creative work without departing from the purpose of the present invention, they shall fall within the protection scope of the present invention.

Claims

1. An anti-corrosion foundation pit support device, characterized in that: It includes a bottom plate (1), a support member (3), a support and protection member (4), and a protection member (5). One end of the support member (3) is arranged on the bottom plate (1), and the other end is connected to the support and protection member (4). The protection member (5) is snap-connected to the support and protection member (4), and the wall surface of the protection member (5) in contact with the side wall of the foundation pit is provided with an anti-corrosion plate (51). The protection member (5) includes an anti-corrosion plate (51), a fixing frame (52), and a clamping block (53). The fixing frame (52) is arranged on the outer periphery of the anti-corrosion plate (51), and clamping blocks (53) are arranged around the inner side of the anti-corrosion plate (51). Corresponding clamping grooves (42) are provided on the support and protection member (4) to cooperate with the clamping blocks (53). Through the snap connection of the clamping blocks (53) and the clamping grooves (42), the protection member (5) is sleeved outside the support and protection member (4). The support member (3) is a telescopic rod member, including a first connecting rod (31), a movable tube (32), and a spacing adjustment assembly (33). The movable tube (32) is slidably sleeved outside the first connecting rod (31), and the top end of the movable tube (32) is connected to the support and protection member (4). The bottom end of the first connecting rod (31) is connected to the bottom plate (1), and the top end of the first connecting rod (31) extends and slides inside the movable tube (32). One end of the spacing adjustment assembly (33) is installed on the first connecting rod (31), and the other end is installed on the movable tube (32) to drive the sliding of the movable tube (32). The spacing adjustment assembly (33) includes a first fixing block (331), a second fixing block (332), and a first threaded rod (333). The first fixing block (331) is arranged on the movable tube (32), the second fixing block (332) is arranged on the first connecting rod (31), the first threaded rod (333) is threadedly fitted through the second fixing block (332) and the tail end is rotatably fitted and connected to the first fixing block (331). A first handle (334) is also provided at the front end of the first threaded rod (333). By rotating the first threaded rod (333), the movable tube (32) is driven to slide along the first connecting rod (31). The support and protection member (4) includes a support plate (41) that is snap-connected and cooperates with the anti-corrosion plate (51). The clamping groove (42) is opened on the support plate (41), and a baffle (43) is further provided on the upper part of the side of the support plate (41) facing away from the anti-corrosion plate (51). A sealing ring (54) is also provided circumferentially on the fixing frame (52) of the protection member (5). A fixing mechanism (6) is further provided below the support member (3). The fixing mechanism (6) includes a first fixing frame (61) and a second threaded rod (63). The first fixing frame (61) is arranged on the bottom plate (1) and is provided with a first movable groove (62). The bottom of the second threaded rod (63) passes through the first movable groove (62) and is fastened by a fixing nut (64). A supporting block adapted to the outer wall of the support member (3) is provided at the top of the second threaded rod (63). Above the support member (3), a reinforcement mechanism (7) is further provided. The reinforcement mechanism (7) includes a second fixing frame (71), a movable frame (73), and a second connecting rod (76). The second fixing frame (71) is disposed on the bottom plate (1). The movable frame (73) is slidably disposed on the second fixing frame (71). A second connecting rod (76) is provided at the top of the movable frame (73). The second connecting rod (76) extends toward the support member (3), and a pressing block adapted to cooperate with the outer wall of the support member (3) is provided at the end; The movable frame (73) includes a sliding portion that fits through the lower part of the second fixing frame (71). Upward extending portions are respectively provided at both ends of the sliding portion. The top of the upward extending portion facing the outside of the movable frame (73) is connected to the second connecting rod (76). A third threaded rod (77) is threadedly installed on the upward extending portion facing the inside of the movable frame (73). The third threaded rod (77) passes through the upward extending portion, and the end is rotatably connected to the second fixing frame (71). A second handle (78) is provided at the other end of the third threaded rod (77); A second movable groove (72) is opened in the upper part of the second fixing frame (71) along the height direction. A sliding groove (74) is also correspondingly provided in the upward extending portion on the outside of the movable frame (73). The second connecting rod (76) passes through the second movable groove (72) and the sliding groove (74) respectively, and the end is fastened by a fastening block (75); Multiple sets of fixing bolts (2) are further provided on the bottom plate (1).

Citation Information

Patent Citations

  • Building foundation pit inclined strut supporting structure

    CN210562211U

  • Corrosion-resistant and high-strength foundation pit support

    CN216156586U

  • Foundation pit supporting device and foundation pit supporting system

    CN217204131U