Adjustable spliced hollow square foundation pit inner supporting device

Abstract

The invention provides an adjustable splicing type hollow square foundation pit inner supporting device, and relates to the technical field of foundation pit inner supporting. The adjustable splicing type hollow square foundation pit inner supporting device comprises a node mechanism, a segmentation mechanism is arranged on one side of the node mechanism in a clamped mode, an extension mechanism is arranged at one end of the segmentation mechanism in a clamped mode, one end of the extension mechanism is connected to one side of the node mechanism in a clamped mode, and the section of the segmentation mechanism is rectangular. The sectioning mechanism comprises a sectioning main body, and a sectioning reinforcing mesh is fixedly arranged in the sectioning main body. Multiple components are combined and spliced into a whole, so that the device can be suitable for the interiors of foundation pits with different sizes, the adjusting function of the device is achieved, the device can be detached and reused after being used, the application range of the device is enlarged, and the practicability of the device is improved; construction operation and maintenance of workers are facilitated, and the convenience of the device in use is improved.

Description

Technical Field

[0001] The invention relates to the technical field of foundation pit internal supports, in particular to an adjustable spliced ​​hollow square foundation pit internal support device. Background Art

[0002] The existing patent (publication number: CN113235607B) discloses that "the present invention relates to the field of foundation pit support technology, and in particular to an adjustable splicing type foundation pit support device, including four retractable side panel mechanisms and four diagonal mechanisms, the four retractable side panel mechanisms are arranged in a rectangular shape, and the ends of two adjacent retractable side panel mechanisms are detachably fixedly connected through the diagonal mechanism, and the diagonal mechanism includes a diagonal block, and a mounting seat is fixedly provided on the inner side of the diagonal block. A reinforcing plate is fixedly connected to the mounting seat by bolts, and the reinforcing plate is spaced apart from the mounting seat. Side panels are fixedly connected on both sides of the reinforcing plate, and the outer walls of the two side panels respectively press against the inner walls of the two adjacent retractable side panel mechanisms. The beneficial effect of the present invention is: by rotating the bolts on the outside of the reinforcing plate, the side panel tightly attaches the retractable side panel mechanism to one side of the diagonal block, so that the four diagonal blocks of the support device can be quickly spliced ​​together with the retractable side panel mechanism, so that the diagonal mechanism can support the four corners of the foundation pit conveniently".

[0003] In the process of implementing this application, the inventor discovered that the existing technology has the following problems: when the existing support device in the foundation pit is in use, its length and width are difficult to adjust, and in order to ensure the stability of the support, it is usually necessary to set up a support structure inside, which makes it difficult to make changes according to the on-site conditions when the existing device is in use, and it is also difficult for workers to perform daily inspection and maintenance. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an adjustable spliced ​​hollow square foundation pit support device, which solves the problems of inconvenient adjustment and difficult maintenance of the prior device.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an adjustable spliced ​​hollow square foundation pit support device, comprising a node mechanism, one side of the node mechanism is clamped with a segment mechanism, one end of the segment mechanism is clamped with an extension mechanism, one end of the extension mechanism is clamped and connected to one side of the node mechanism, and the cross-section of the segment mechanism is a rectangle;

[0006] The segmented mechanism includes a segmented main body, a segmented steel mesh is fixedly arranged inside the segmented main body, metal protective plates are fixedly arranged on the upper and lower surfaces of the segmented main body, first connecting blocks are fixedly arranged at both ends of the segmented main body, and first plug-in blocks are fixedly arranged at the middle position of one side of two of the first connecting blocks.

[0007] Preferably, the node mechanism comprises a base plate, a protective column is fixedly provided on the upper end of the base plate, a plurality of hydraulic telescopic rods are fixedly provided on the inner bottom surface of the protective column, and a node column is fixedly provided on the upper end of the plurality of hydraulic telescopic rods.

[0008] Preferably, a node block is fixedly provided on the upper end of the node column, a first plug-in groove is opened in the middle position of the outer surface of each node block, and a first fixing frame is fixedly provided on the outer surface of each node block.

[0009] Preferably, ribs are fixedly provided at four positions around the upper surface of the bottom plate, one side of the four ribs are fixed to the protective columns, and fixed spikes are fixedly provided at the four corners of the bottom surface of the bottom plate.

[0010] Preferably, a control panel is fixedly provided at a lower middle position on one side surface of the protective column, and a column steel mesh is fixedly provided inside the node column.

[0011] Preferably, the extension mechanism comprises two movable plates, one end of one of the two movable plates is fixedly provided with a second connecting block, and the other end of the two movable plates is fixedly provided with a third connecting block.

[0012] Preferably, a second fixing frame is fixedly provided at one end of the second connecting block, a second plugging groove is provided in the middle of one side surface of the second connecting block, and a second plugging block is fixedly provided in the middle of one end of the third connecting block.

[0013] Preferably, a plurality of slide grooves are provided on the surfaces of the two movable plates, a slider is slidably arranged inside the plurality of slide grooves, and a fixed plate is fixedly arranged on one side of the plurality of sliders.

[0014] Working principle: When the device is in use, the user can select a suitable number of segmented mechanisms, node mechanisms and extension mechanisms according to the size of the location where it needs to be used, and assemble them. The node mechanism is fixed to the location where support is required through fixed ground spikes. After the fixation is completed, the segmented mechanism is lifted by the lifting equipment, and the first plug-in blocks at both ends of the segmented mechanism are correspondingly plugged into the first plug-in slots around the node block above the node mechanism. After the plug-in is completed, the first fixing frame around the node block is welded and fixed to the surface of the first connecting block to achieve the fixation between the segmented mechanism and the node mechanism. When assembling, if the height of the node mechanism needs to be adjusted, the user can control the extension of multiple hydraulic telescopic rods through the control panel on the surface of the protective column, lift the node column, and adjust the height of the upper end of the node mechanism. When assembling, the node mechanism and the segmented mechanism When the length of the space is insufficient, the user can select the node mechanism, and adjust the position of the two movable plates on the surface of the fixed plate through the slider and the slide groove to adjust the overall length of the extension mechanism. After the adjustment is completed, the position is fixed by bolts. After the fixation is completed, the extension mechanism is hoisted to the position where it needs to be used through the lifting equipment, and the second plug-in block is inserted into the first plug-in slot, and the first plug-in block is inserted into the second plug-in slot. After the splicing is completed, the first fixing frame and the second fixing frame are welded to fix the first connecting block, the second connecting block, the third connecting block and the node block to complete the overall assembly. When the use is completed and it needs to be dismantled, the user first fixes the position of the segmented mechanism and the extension mechanism through the lifting equipment. After the fixation is completed, the first fixing frame and the second fixing frame are cut off, and the segmented mechanism, the node mechanism and the extension mechanism are disassembled, waiting for subsequent use.

[0015] The present invention provides an adjustable spliced ​​hollow square foundation pit support device.

[0016] Beneficial effects:

[0017] 1. The present invention provides an adjustable splicing type hollow square support device for foundation pits. Compared with the existing support devices for foundation pits, the support device for foundation pits is configured as a whole to be composed of a segmented mechanism, a node mechanism and an extension mechanism. When actually used, the user can select a suitable number of segmented mechanisms and node mechanisms according to the size of the foundation pit, and splice them into a whole through a combination of multiple mechanisms. At the same time, the device can be adjusted through an extension mechanism so that it can be suitable for the inside of foundation pits of different sizes, thereby realizing the adjustment function of the device. After use, the device can be disassembled and reused, thereby increasing the scope of application of the device and improving its practicability. At the same time, the cross-section of the device is square, which is convenient for workers to operate and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention after splicing;

[0019] Figure 2 It is an overall axonometric schematic diagram of the present invention;

[0020] Figure 3 It is an axonometric schematic diagram of the segmented mechanism of the present invention;

[0021] Figure 4 It is an axonometric diagram of the reinforcement of the segmented mechanism of the present invention;

[0022] Figure 5 It is an axonometric schematic diagram of the node mechanism of the present invention;

[0023] Figure 6 It is a cross-sectional schematic diagram of the node mechanism of the present invention;

[0024] Figure 7 It is an axonometric diagram of the reinforcement of the node mechanism of the present invention;

[0025] Figure 8 It is an axonometric schematic diagram of the extension mechanism of the present invention.

[0026] Among them, 1. segmentation mechanism; 2. node mechanism; 3. extension mechanism; 101. first plug-in block; 102. first connection block; 103. metal protective plate; 104. segmentation body; 105. segmentation steel mesh; 201. first plug-in slot; 202. node block; 203. first fixed frame; 204. node column; 205. protective column; 206. rib plate; 207. control panel; 208. bottom plate; 209. fixed ground spikes; 210. hydraulic telescopic rod; 211. column steel mesh; 301. fixed plate; 302. movable plate; 303. second connection block; 304. second fixed frame; 305. second plug-in slot; 306. third connection block; 307. second plug-in block; 308. slide groove; 309. slider. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] like Figure 1-2 As shown, an embodiment of the present invention provides an adjustable spliced ​​hollow square foundation pit support device, including a node mechanism 2, a segment mechanism 1 is snap-connected to one side of the node mechanism 2, an extension mechanism 3 is snap-connected to one end of the segment mechanism 1, and one end of the extension mechanism 3 is snap-connected to one side of the node mechanism 2. The cross-section of the segment mechanism 1 is rectangular, and the overall length of the segment mechanism 1 is 3-5 meters.

[0029] Specifically, by providing a node mechanism 2, the user can fix the node mechanism 2 to the position where it needs to be used, which is convenient for the user to position the device as a whole. By providing a segmented mechanism 1, it is convenient for the user to connect the node mechanisms 2 to each other through the segmented mechanism 1 to provide support. By setting the segmented mechanism 1 as a rectangle, it is convenient for the user to perform maintenance during daily use. By providing an extension mechanism 3, when the device as a whole is spliced ​​and used, if the length is insufficient, the user can extend it for splicing.

[0030] like Figure 3-8 As shown, the segmented mechanism 1 includes a segmented main body 104, a segmented steel mesh 105 is fixedly arranged inside the segmented main body 104, metal protective plates 103 are fixedly arranged on the upper and lower surfaces of the segmented main body 104, first connecting blocks 102 are fixedly arranged at both ends of the segmented main body 104, and first plug-in blocks 101 are fixedly arranged at the middle position of one side of the two first connecting blocks 102.

[0031] Specifically, by providing a segmented main body 104 and a segmented steel mesh 105, it is helpful to ensure the structural strength of the device as a whole when it is used. By providing a metal protective plate 103, it is helpful to further reinforce the device as a whole and improve the stability of the device. By providing a first connecting block 102 and a first plug-in block 101, it is convenient to realize the connection function between the structures.

[0032] The node mechanism 2 includes a base plate 208, a protective column 205 is fixedly arranged on the upper end of the base plate 208, a plurality of hydraulic telescopic rods 210 are fixedly arranged on the inner bottom surface of the protective column 205, a node column 204 is fixedly arranged on the upper end of the plurality of hydraulic telescopic rods 210, a node block 202 is fixedly arranged on the upper end of the node column 204, a first plug-in groove 201 is opened at the middle position of the outer surface of the node block 202, a first fixed frame 203 is fixedly arranged on the outer surface of the node block 202, ribs 206 are fixedly arranged at the positions around the upper surface of the base plate 208, one side of the four ribs 206 are fixed to the protective column 205, fixed ground spikes 209 are fixedly arranged at the four corners of the bottom surface of the base plate 208, a control panel 207 is fixedly arranged at the lower middle position of the surface of one side of the protective column 205, and a column steel mesh 211 is fixedly arranged inside the node column 204.

[0033] Specifically, by providing a bottom plate 208 and a fixed ground spike 209, it is convenient to realize the fixing function of the device when it is used as a whole. By providing a protective column 205, it is beneficial to provide protection for the device and improve the safety of the device when it is used. By providing a hydraulic telescopic rod 210, combined with the control panel 207 on its surface, it is convenient to realize the function of adjusting the height of the entire device. By providing a node block 202, combined with the first plug-in groove 201 opened on its surface, it is convenient to realize the plug-in function between the segmented mechanisms 1. By providing a first fixed frame 203, it is convenient to improve the stability of the fixation. By providing a node column 204 and a column steel mesh 211, it is convenient to realize the basic strength of the device when it is used as a whole.

[0034] The extension mechanism 3 includes two movable plates 302, one end of which is fixedly provided with a second connecting block 303, the other end of which is fixedly provided with a third connecting block 306, one end of the second connecting block 303 is fixedly provided with a second fixed frame 304, a second plug-in groove 305 is provided in the middle position of the surface of one side of the second connecting block 303, a second plug-in block 307 is fixedly provided in the middle position of one end of the third connecting block 306, a plurality of sliding grooves 308 are provided on the surfaces of the two movable plates 302, sliders 309 are slidably provided inside the plurality of sliding grooves 308, and a fixed plate 301 is fixedly provided on one side of the plurality of sliders 309.

[0035] Specifically, by providing a slider 309 and a slide groove 308, it is convenient for the user to adjust the position between the movable plate 302 and the fixed plate 301 and the overall length of the extension mechanism 3 during use. By providing a second connecting block 303 and a third connecting block 306, it is convenient to realize the function of connecting the device with the segment mechanism 1 and the node mechanism 2 when in use, which is convenient for the user to make subsequent adjustments. By providing a second plug-in slot 305 and a second plug-in block 307, it is convenient to realize the connection between the structures. By providing a second fixed frame 304, it is beneficial to improve the stability of the connection between the structures.

[0036] 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. An adjustable spliced ​​hollow square foundation pit support device, comprising a node mechanism (2), characterized in that: The node mechanism (2) is provided with a segment mechanism (1) on one side thereof, and an extension mechanism (3) is provided on one end thereof, and one end of the extension mechanism (3) is connected to one side of the node mechanism (2) by a snap connection. The segment mechanism (1) has a rectangular cross section, and the overall length of the segment mechanism (1) is 3-5 meters. The segmented mechanism (1) comprises a segmented main body (104), a segmented steel mesh (105) is fixedly arranged inside the segmented main body (104), metal protective plates (103) are fixedly arranged on the upper and lower surfaces of the segmented main body (104), first connecting blocks (102) are fixedly arranged at both ends of the segmented main body (104), and first plug-in blocks (101) are fixedly arranged at the middle position of one side of the two first connecting blocks (102).

2. The adjustable spliced ​​hollow square foundation pit support device according to claim 1, characterized in that: The node mechanism (2) comprises a base plate (208), a protective column (205) is fixedly arranged on the upper end of the base plate (208), a plurality of hydraulic telescopic rods (210) are fixedly arranged on the inner bottom surface of the protective column (205), and a node column (204) is fixedly arranged on the upper end of the plurality of hydraulic telescopic rods (210).

3. The adjustable spliced ​​hollow square foundation pit support device according to claim 2, characterized in that: A node block (202) is fixedly arranged on the upper end of the node column (204), a first plug-in slot (201) is provided in the middle of the outer surface of each node block (202), and a first fixing frame (203) is fixedly arranged on the outer surface of each node block (202).

4. The adjustable spliced ​​hollow square foundation pit support device according to claim 2, characterized in that: Ribs (206) are fixedly arranged at four positions on the upper surface of the bottom plate (208), one side of the four ribs (206) is fixed to the protective column (205), and fixed spikes (209) are fixedly arranged at the four corners of the bottom surface of the bottom plate (208).

5. The adjustable spliced ​​hollow square foundation pit support device according to claim 2, characterized in that: A control panel (207) is fixedly arranged at a lower middle position on one side surface of the protection column (205), and a column steel mesh (211) is fixedly arranged inside the node column (204).

6. The adjustable spliced ​​hollow square foundation pit support device according to claim 1, characterized in that: The extension mechanism (3) comprises two movable plates (302), one end of one of the two movable plates (302) is fixedly provided with a second connection block (303), and the other end of the two movable plates (302) is fixedly provided with a third connection block (306).

7. The adjustable spliced ​​hollow square foundation pit support device according to claim 6, characterized in that: A second fixing frame (304) is fixedly arranged at one end of the second connection block (303), a second plugging groove (305) is provided in the middle position of a surface of one side of the second connection block (303), and a second plugging block (307) is fixedly arranged in the middle position of one end of the third connection block (306).

8. The adjustable spliced ​​hollow square foundation pit support device according to claim 6, characterized in that: A plurality of slide grooves (308) are provided on the surfaces of the two movable plates (302), a slider (309) is slidably arranged inside the plurality of slide grooves (308), and a fixed plate (301) is fixedly arranged on one side of the plurality of sliders (309).

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