CN215518787U

CN215518787U - Deep foundation pit supporting structure

Info

Publication number: CN215518787U
Application number: CN202121072970.4U
Authority: CN
Inventors: 董博文; 张军; 贺敬轩
Original assignee: China Second Metallurgy Group Co Ltd
Current assignee: China Second Metallurgy Group Co Ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-01-14
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a deep foundation pit supporting structure, and relates to the technical field of building construction. The novel adjustable support comprises a support frame, wherein a movable block with a threaded hole inside is hinged in the support frame, a threaded rod is connected in the movable block in a threaded manner, a connecting block is rotatably mounted at the end part of the threaded rod through a bearing, a first connecting rod is hinged on the connecting block, the middle part of the first connecting rod is hinged on the support frame through a hinge block, and a second connecting rod is hinged at the free end of the first connecting rod through a hinge block. When the device is used, a user can place the supporting plate on the surface of the deep foundation pit firstly, then the device is connected with the supporting plate through the mounting block, the threaded rod is in threaded connection with the movable block, and the supporting frame is fixed on the ground, so that the supporting frame rotates the threaded rod anticlockwise, and the connecting rod hinged to the connecting block is driven to displace backwards.

Description

Deep foundation pit supporting structure

Technical Field

The utility model relates to the technical field of building construction equipment, in particular to a deep foundation pit supporting structure.

Background

The technical scheme in the prior art is as follows: in recent years, with the rapid development of urban construction in China, high-rise and super high-rise buildings are continuously emerging, various large-scale projects are increased day by day, the underground space development scale is also increased, the depth of a foundation pit is deepened, and secondary excavation is increasingly carried out in the existing excavation foundation pit, wherein the inner foundation pit of the secondary excavation is called as a pit-in-pit or an inner pit. As the depth of the foundation pit increases, the danger level of the foundation pit increases, so that a supporting system is required to be added for ensuring the safety of the foundation pit.

However, the existing deep foundation pit supporting device mostly uses reinforcing ribs as supports, so that the inclination angle of the supporting plate cannot be adjusted, and the supporting plate cannot be fully attached to soil on the surface of a foundation pit, so that the soil at the edge of the foundation pit is easy to loose, and the supporting plate is crushed, and therefore the utility model provides the deep foundation pit supporting structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems of the background art, the utility model provides a deep foundation pit supporting structure.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a deep foundation pit supporting structure, includes the support frame, it has the inside movable block that is the screw hole to articulate in the support frame, movable block female connection has the threaded rod, the tip of threaded rod passes through the bearing and rotates and installs the connecting block, it has connecting rod one to articulate on the connecting block, the middle part of connecting rod one articulates through articulated piece on the support frame, the free end of connecting rod one articulates some connecting rod two through articulated piece, the free end of connecting rod two articulates through articulated piece has the installation piece, install the backup pad that is used for supporting foundation pit soil on the installation piece.

Further, the support frame includes the support body for falling L shape, the bottom of support body has set firmly anti-skidding bottom plate, a plurality of that evenly arranges in the bottom of anti-skidding bottom plate is used for the toper nail fully contacting with ground.

Further, the supporting plate comprises a first plate and a second plate, and the first plate and the second plate are hinged through a hinge block.

Furthermore, through holes distributed along the length direction of the second plate are formed in the second plate, and limit nails penetrating into soil are movably inserted into the through holes.

Furthermore, one side of the first plate and one side of the second plate are both provided with expansion grooves, and expansion blocks are fixedly arranged on the opposite sides of the expansion grooves.

Further, the first board is articulated through the installation piece symmetry and has two buffer rods that are used for the buffering, two the buffer rod is kept away from the one end of the first board all articulates through the installation piece has anti-skidding base.

Further, the buffer beam includes that it articulates loop bar one on board one through the installation piece, slidable mounting has the gag lever post in the loop bar one, the free end sliding connection of gag lever post has loop bar two, the inside of loop bar one and loop bar two all is provided with the buffer spring who is used for supporting the gag lever post, loop bar two is kept away from the one end of gag lever post articulates through the installation piece on the anti-skidding base.

The utility model has the following beneficial effects:

1. when the device is used, a user can place the supporting plate on the surface of the deep foundation pit firstly, then the device is connected with the supporting plate through the mounting block, the threaded rod is in threaded connection with the movable block, and the supporting frame is fixed on the ground, so that the supporting frame rotates the threaded rod anticlockwise to drive the first connecting rod hinged on the connecting block to move backwards, and the free end of the first connecting rod drives the second connecting rod to move forwards due to the fact that the middle part of the first connecting rod is hinged on the supporting frame, so that the supporting plate can be fully attached to the surface of the deep foundation pit, and the problem that the supporting plate is crushed due to the fact that soil at the edge of the foundation pit is loosened due to the fact that a gap exists between the supporting plate and the surface of the deep foundation pit is solved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 in accordance with the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a partial cross-sectional view of the present invention;

reference numerals: 1. a support frame; 101. a frame body; 102. an anti-skid bottom plate; 103. a conical nail; 2. a movable block; 3. a threaded rod; 4. connecting blocks; 5. a first connecting rod; 6. a second connecting rod; 7. mounting blocks; 8. a support plate; 801. a first plate; 802. a second plate; 9. a through hole; 10. a limit pin; 11. expanding the groove; 12. expanding blocks; 13. a buffer rod; 1301. a loop bar I; 1302. a limiting rod; 1303. a loop bar II; 1304. a buffer spring; 14. an anti-slip base.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-4, a deep foundation pit supporting structure provided by an embodiment of the present invention includes a supporting frame 1, a movable block 2 with a threaded hole inside is hinged in the supporting frame 1, a threaded rod 3 is connected in the movable block 2 through a thread, a connecting block 4 is rotatably installed at an end of the threaded rod 3 through a bearing, a connecting rod 5 is hinged on the connecting block 4, a middle portion of the connecting rod 5 is hinged on the supporting frame 1 through a hinge block, a connecting rod two 6 is hinged at a free end of the connecting rod 5 through the hinge block, a mounting block 7 is hinged at a free end of the connecting rod two 6 through the hinge block, a supporting plate 8 for supporting foundation pit soil is installed on the mounting block 7, to sum up, when in use, a user can place the supporting plate 8 on the surface of a deep foundation pit first, then install and connect equipment with the supporting plate 8 through the mounting block 7, and can be connected with the movable block 2 through the threaded rod 3, and support frame 1 is for fixing subaerial reason, make its anticlockwise rotation threaded rod 3, thereby the drive takes place backward displacement through articulated connecting rod 5 on connecting block 4, and because the reason that connecting rod 5 middle part articulates on support frame 1, make the free end of its connecting rod 5 can drive connecting rod two 6 forward displacement, thereby can carry out abundant laminating with backup pad 8 and deep basal pit surface, make the binding face of its backup pad 8 and deep basal pit can not cause the lax of foundation ditch edge soil and take place the problem emergence of collapsing backup pad 8 because of there being the gap.

As shown in fig. 2, in some embodiments, the support frame 1 includes a frame body 101 in an inverted L shape, an anti-slip bottom plate 102 is fixedly disposed at the bottom of the frame body 101, a plurality of tapered nails 103 for making full contact with the ground are uniformly arranged at the bottom of the anti-slip bottom plate 102, the frame body 101 can have better practicability while reducing the weight of the device due to the inverted L shape, and the tapered nails 103 at the bottom of the anti-slip bottom plate 102 can increase the friction force between the device and the ground, so that the device can be well made full contact with the ground, and the device cannot slide and displace due to insufficient friction force between the device and the ground, thereby causing the situation that the support device is crushed due to the fact that the support device cannot support the first plate 801.

As shown in fig. 3, in some embodiments, the supporting plate 8 includes a first plate 801 and a second plate 802, the first plate 801 and the second plate 802 are hinged by a hinge block, and the first plate 801 and the second plate 802 are hinged in use, so that the first plate 801 and the second plate 802 can be folded after use is completed, thereby reducing the floor area of the device and facilitating transportation.

As shown in fig. 3, in some embodiments, the second plate 802 is provided with through holes 9 arranged along the length direction of the second plate 802, the through holes 9 are movably inserted with limit nails 10 penetrating into soil, when in use, the limit nails 10 can be hammered into the deep soil through the through holes 9 by penetrating the limit nails 10, so that the second plate 802 cannot be displaced horizontally, and because the first plate 801 and the second plate 802 are hinged, the first plate 801 can be kept at the initial position all the time, thereby achieving the effect of limiting the first plate 801 and the second plate 802.

As shown in fig. 1, in some embodiments, one side of the first plate 801 and the second plate 802 are both provided with an expansion groove 11, and the opposite side of the expansion groove 11 is fixedly provided with an expansion block 12, so that a user can place different quantities of the first plate 801 and the second plate 802 according to different sizes of different deep foundation pits, and the expansion groove 11 and the expansion block 12 arranged on the first plate 801 and the second plate 802 can enhance the expansion performance of the device, and the first plate 801 and the second plate 802 can be tightly attached to each other through the expansion groove 11 and the expansion block 12, thereby improving the expansion stability.

As shown in fig. 1, in some embodiments, two buffer rods 13 for buffering are symmetrically hinged to a first plate 801 through a mounting block 7, the mounting block 7 serves as a standard connecting piece in the present invention to connect corresponding structures, one ends of the two buffer rods 13 far away from the first plate 801 are hinged to an anti-slip base 14 through the mounting block 7, the design of the buffer rods 13 enables the equipment to have a certain buffer space between the first plate 801 and the ground while having auxiliary support, so that the first plate 801 cannot be crushed directly by external force, and the symmetric design enables the first plate 801 to be stressed more uniformly, thereby effectively improving the support stability.

As shown in fig. 4, in some embodiments, the buffering rod 13 includes a first loop bar 1301 hinged to the first plate 801 through a mounting block 7, a limiting rod 1302 is slidably mounted in the first loop bar 1301, a second loop bar 1303 is slidably connected to a free end of the limiting rod 1302, a buffering spring 1304 for abutting against the limiting rod 1302 is disposed inside each of the first loop bar 1301 and the second loop bar 1303, one end of the second loop bar 1303 away from the limiting rod 1302 is hinged to the anti-slip base 14 through the mounting block 7, when in use, a user can mount the buffering rod 13 on the first plate 801 through the mounting block 7 to fix the buffering rod 13, and then the buffering rod 13 can change along with the change of the inclination angle of the first plate 801, and the buffering spring 1304 and the limiting rod are designed such that the first plate 801 can have a certain buffering space under the external force, such that the first plate 801 cannot be directly crushed by the external force, and the buffering rod 13 can increase the friction force between the anti-slip rod 13 and the ground through the design of the anti-slip base 14, so that the problem that the buffer rod 13 slips due to external force does not occur.

Claims

1. The utility model provides a deep foundation pit supporting structure, a serial communication port, including support frame (1), articulated in support frame (1) have inside movable block (2) for the screw hole, movable block (2) female connection has threaded rod (3), connecting block (4) are installed through bearing rotation to the tip of threaded rod (3), it has connecting rod (5) to articulate on connecting block (4), the middle part of connecting rod (5) articulates through articulated piece on support frame (1), the free end of connecting rod (5) articulates connecting rod two (6) that have through articulated piece, the free end of connecting rod two (6) articulates through articulated piece has installation piece (7), install backup pad (8) that are used for supporting foundation pit soil on installation piece (7).

2. A deep foundation pit supporting structure according to claim 1, wherein the supporting frame (1) comprises an inverted-L-shaped frame body (101), an anti-skid bottom plate (102) is fixedly arranged at the bottom of the frame body (101), and a plurality of conical nails (103) which are used for fully contacting with the ground are uniformly distributed at the bottom of the anti-skid bottom plate (102).

3. A deep foundation pit supporting structure according to claim 1, wherein the supporting plate (8) comprises a first plate (801) and a second plate (802), and the first plate (801) and the second plate (802) are hinged through a hinge block.

4. The deep foundation pit supporting structure according to claim 3, wherein the second plate (802) is provided with through holes (9) arranged along the length direction of the second plate (802), and limit pins (10) penetrating into soil are movably inserted in the through holes (9).

5. The deep foundation pit supporting structure according to claim 3, wherein one side of the first plate (801) and one side of the second plate (802) are both provided with expansion grooves (11), and the opposite sides of the expansion grooves (11) are fixedly provided with expansion blocks (12).

6. The deep foundation pit supporting structure according to claim 3, wherein the first plate (801) is symmetrically hinged with two buffering rods (13) for buffering through a mounting block (7), and one ends of the two buffering rods (13) far away from the first plate (801) are hinged with anti-skidding bases (14) through the mounting block (7).

7. The deep foundation pit supporting structure according to claim 6, wherein the buffer rod (13) comprises a first sleeve rod (1301) hinged to the first plate (801) through a mounting block (7), a limiting rod (1302) is slidably mounted in the first sleeve rod (1301), a second sleeve rod (1303) is slidably connected to the free end of the limiting rod (1302), buffer springs (1304) used for abutting against the limiting rod (1302) are arranged inside the first sleeve rod (1301) and the second sleeve rod (1303), and one end, away from the limiting rod (1302), of the second sleeve rod (1303) is hinged to the anti-skidding base (14) through the mounting block (7).