CN212801516U

CN212801516U - Anchor rod structure at high-low span position of basement floor

Info

Publication number: CN212801516U
Application number: CN202021273022.2U
Authority: CN
Inventors: 颜海峰; 程建; 徐鹤轩; 黄志全
Original assignee: Xiamen Pan China Architectural Design Co ltd
Current assignee: Xiamen Pan China Architectural Design Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-03-26
Anticipated expiration: 2030-07-01

Abstract

The utility model provides a high low stock structure of striding position of basement bottom plate relates to ground and foundation construction field, stride the bottom plate and stride the bottom plate with high including low, low stride the bottom plate and stride the excavation between the bottom plate with high, the side slope of foundation pit is through the side slope support stock, the side slope support stock includes fixed barrel and flexible stock, is provided with first screw on the lateral wall of fixed barrel, is provided with a plurality of second screws on the lateral wall of flexible stock, installs fixing bolt in the first screw, the fixed anchor reinforcing bar that is provided with of end of flexible stock. The utility model discloses in set the structure of adjustable length to through with the side slope support stock for the side slope support stock can adapt to the low bottom plate of striding of co-altitude and stride the bottom plate with high, guarantees that the side slope support stock can pass the foundation ditch smoothly and reachs the bottom plate of striding with high, and whole utility model discloses simple structure can carry out the arbitrary regulation of length according to the basement bottom plate height of difference, guarantees to strut more stable safety, and the practicality is high.

Description

Anchor rod structure at high-low span position of basement floor

Technical Field

The utility model relates to a ground and foundation construction field especially relate to the stock structure of position is striden to basement bottom plate height.

Background

A slope-releasing excavation construction method is mostly adopted during the construction of the high-low span positions of the basement bottom plate foundation. Such conventional methods mainly have the following problems: 1) in order to ensure the safety of the side slope, the ratio of slope releasing and excavating is usually larger, generally 1: 1, and large-scale damage is caused to the high-span foundation. 2) The high-span foundation damaged by slope releasing and excavation is usually backfilled by plain soil tamping or low-grade concrete, and when the plain soil is backfilled, the tamping coefficient is difficult to ensure, so that the potential quality hazard exists; and when plain concrete is adopted for backfilling, the cost is greatly improved. 3) And after the large-slope-rate slope-releasing excavation, the anti-floating anchor rod at the high-low span boundary position cannot be constructed.

In the prior art, the high-low span side slope of the basement bottom plate is reinforced by using a side slope support anchor rod as an anti-floating anchor rod, so that the support is safer, but the existing side slope support anchor rod cannot change the length, and the distance between the low span bottom plate and the high span bottom plate of the basement is not a fixed value, so that the size of the excavated foundation pit is different, and if the side slope support anchor rod is shorter, the side slope support anchor rod cannot penetrate through the foundation pit to reach the inside of the high span bottom plate, so that the reinforcement is not firm.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a position's stock structure is striden to basement bottom plate height to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the anchor rod structure at the high-low span position of the basement floor comprises a low-span floor and a high-span floor, wherein a foundation pit is excavated between the low-span floor and the high-span floor, a side slope of the foundation pit is supported by a side slope support anchor rod, the side slope support anchor rod extends upwards, and extends to the inside of the high-span bottom plate through the foundation pit, the side slope support anchor rod comprises a fixed cylinder and a telescopic anchor rod, the telescopic anchor rod is slidably arranged in the fixed cylinder body, a first screw hole is arranged on the side wall of the fixed cylinder body close to the opening, a plurality of second screw holes are uniformly arranged on the side wall of the telescopic anchor rod corresponding to the first screw holes, fixing bolts are arranged in the first screw holes, and one end of the fixing bolt extends into the second screw hole, the tail end of the telescopic anchor rod is fixedly provided with an anchoring reinforcing steel bar, the anchoring reinforcing steel bar extends into the high-span bottom plate, and the lower end surfaces of the low-span bottom plate and the high-span bottom plate extend into the high-span bottom plate and are provided with anti-floating anchor rods.

Preferably, the anchoring reinforcing bars are provided with three pieces and extend outwards in a claw shape.

Preferably, the fixed cylinder and the telescopic anchor rod are both made of steel, and the thickness of the side wall of the fixed cylinder is equal to the radius of the telescopic anchor rod.

Preferably, the lateral wall of flexible stock is provided with the slide bar along the axis symmetry on, be provided with the spout along the axis symmetry on the inner wall of fixed barrel, and slide bar and spout sliding fit.

Preferably, the distance between the outer side wall of the telescopic anchor rod and the inner side wall of the fixed cylinder is 0.8-1mm, and the outer side wall of the telescopic anchor rod and the inner side wall of the fixed cylinder are both smooth.

Preferably, the cross sections of the sliding groove and the sliding rod are both u-shaped structures.

Preferably, the slope ratio of the foundation pit is less than 1: 1.

The utility model has the advantages that:

the utility model discloses in through adopting the side slope support stock to do anti-floating anchor to consolidate in basement bottom plate height stride side slope, make the support safer, through setting up the side slope support stock into the structure of adjustable length, make the side slope support stock can adapt to the low span bottom plate and the high span bottom plate of different height, guarantee that the side slope support stock can pass the foundation ditch smoothly and reach the high span bottom plate, through the setting of anchor bar, can do the anchor bar use of anti-floating anchor, need not to construct anti-floating anchor alone, solved the problem that the high-low span boundary position can't construct anti-floating anchor, through the setting of fixed cylinder and flexible anchor, make the length adjustment of side slope support stock simple and convenient, through the cooperation of slide bar and spout, make the flexible anchor steady not rotate in the sliding process, the whole utility model is simple in structure, convenient operation, can carry out the arbitrary regulation of length according to the different basement bottom plate height stride positions, guarantee to strut more stable safety, the practicality is high.

Drawings

Fig. 1 is the construction schematic diagram of the anchor rod structure of the basement floor high-low straddle position of the utility model.

FIG. 2 is a schematic view of the three-dimensional structure of the side slope support anchor rod of the present invention;

fig. 3 is a schematic view of the overhead structure of the telescopic anchor rod of the present invention;

reference numerals: 1. a low span floor; 2. a high span floor; 3. a foundation pit; 4. supporting anchor rods on the side slopes; 401. fixing the cylinder; 402. a telescopic anchor rod; 403. a first screw hole; 404. a second screw hole; 405. fixing the bolt; 406. anchoring the reinforcing steel bars; 5. an anti-floating anchor rod; 6. a slide bar; 7. a chute.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, the anchor rod structure at the high-low span position of the basement floor comprises a low-span floor 1 and a high-span floor 2, a foundation pit 3 is excavated between the low-span floor 1 and the high-span floor 2, a side slope of the foundation pit 3 is supported by a side slope support anchor rod 4, the side slope support anchor rod 4 extends upwards and extends into the high-span floor 2 through the foundation pit 3, the side slope support anchor rod 4 comprises a fixed cylinder 401 and a telescopic anchor rod 402, the telescopic anchor rod 402 is slidably mounted in the fixed cylinder 401, a first screw hole 403 is formed in the side wall of the fixed cylinder 401 near the opening, a plurality of second screw holes 404 are uniformly formed in the side wall of the telescopic anchor rod 402 corresponding to the first screw holes 403, a fixing bolt 405 is mounted in the first screw hole 403, one end of the fixing bolt 405 extends into the second screw hole 404, an anchoring reinforcement 406 is fixedly arranged at the end of, the anchoring steel bar 406 extends into the high-span bottom plate 2, and the lower end surfaces of the low-span bottom plate 1 and the high-span bottom plate 2 extend into the high-span bottom plate 2 and are provided with anti-floating anchor rods 5.

The side wall of the telescopic anchor rod 402 is symmetrically provided with slide bars 6 along the central axis, the inner wall of the fixed cylinder 401 is symmetrically provided with sliding grooves 7 along the central axis, and the slide bars 6 are in sliding fit with the sliding grooves 7.

The working principle is as follows: during construction of the high-low span position of the basement, earth excavation is suspended when the earth excavation is performed to the designed elevation position of the side slope support anchor rod 4, the side slope support anchor rod 4 starts to be constructed, before construction, the side slope support anchor rod 4 needs to be long according to calculation, the anchoring steel bar 406 at the tail end of the side slope support anchor rod 4 can pass through the foundation pit 3 and then reach the inside of the high-span bottom plate 2, the reserved anchoring steel bar 406 is used as the anchoring steel bar of the anti-floating anchor rod, the anti-floating anchor rod 5 does not need to be constructed independently, the problem that the anti-floating anchor rod 5 cannot be constructed at the high-low span boundary position is solved, and the anchoring steel bar reserved by the side slope support anchor rod 4 during construction of the high-span. The anti-floating anchor rods 5 below the low-span floor 1 and the high-span floor 2 are still constructed in the existing manner.

When adjusting the length of the slope supporting anchor rod 4, take out the fixing bolt 405, then stimulate the telescopic anchor rod 402, the telescopic anchor rod 402 can slide in the inside of the fixed cylinder 401 at will at this moment, the telescopic anchor rod 402 drives the slide bar 6 to slide in the chute 7, so that the telescopic anchor rod 402 does not rotate in the sliding process, when guaranteeing the whole stable structure, make the first screw hole 403 and the second screw hole 404 be in corresponding positions all the time, after the length adjustment reaches the requirement, through fixing the fixing bolt 405 in the first screw hole 403 and the second screw hole 404, accomplish the fixing of the relative position of the fixed cylinder 401 and the telescopic anchor rod 402.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Basement bottom plate height strides stock structure of position, stride bottom plate (1) and height including low and stride bottom plate (2), its characterized in that:

a foundation pit (3) is excavated between the low-span bottom plate (1) and the high-span bottom plate (2), a side slope of the foundation pit (3) is supported by a side slope support anchor rod (4), the side slope support anchor rod (4) extends upwards and penetrates through the foundation pit (3) to extend to the inside of the high-span bottom plate (2), the side slope support anchor rod (4) comprises a fixed cylinder (401) and a telescopic anchor rod (402), the telescopic anchor rod (402) is slidably installed inside the fixed cylinder (401), a first screw hole (403) is formed in the side wall of the fixed cylinder (401) and close to the opening, a plurality of second screw holes (404) are uniformly formed in the side wall of the telescopic anchor rod (402) and correspond to the first screw holes (403), a fixing bolt (405) is installed in the first screw hole (403), one end of the fixing bolt (405) extends into the second screw hole (404), and an anchoring reinforcing steel bar (406) is fixedly arranged at the tail end of the telescopic anchor rod, the anchoring steel bars (406) extend into the high-span bottom plate (2), and anti-floating anchor rods (5) are installed in the low-span bottom plate (1) and the high-span bottom plate (2) in a manner that the lower end faces extend into the high-span bottom plate.

2. A basement floor high-low straddle position anchor rod structure according to claim 1, wherein: the anchoring reinforcing steel bars (406) are provided with three anchoring reinforcing steel bars which extend outwards in a claw shape.

3. A basement floor high-low straddle position anchor rod structure according to claim 1, wherein: the fixed cylinder (401) and the telescopic anchor rod (402) are both made of steel, and the thickness of the side wall of the fixed cylinder (401) is equal to the radius of the telescopic anchor rod (402).

4. A basement floor high-low straddle position anchor rod structure according to claim 1, wherein: slide bar (6) are symmetrically arranged on the side wall of telescopic anchor rod (402) along the central axis, sliding grooves (7) are symmetrically arranged on the inner wall of fixed cylinder body (401) along the central axis, and slide bar (6) and sliding grooves (7) are in sliding fit.

5. A basement floor high-low straddle position anchor rod structure according to claim 4, characterized in that: the distance between the outer side wall of the telescopic anchor rod (402) and the inner side wall of the fixed cylinder body (401) is 0.8-1mm, and the outer side wall of the telescopic anchor rod (402) and the inner side wall of the fixed cylinder body (401) are both smooth.

6. A basement floor high-low straddle position anchor rod structure according to claim 4, characterized in that: the cross sections of the sliding chute (7) and the sliding rod (6) are both u-shaped structures.

7. A basement floor high-low straddle position anchor rod structure according to claim 1, wherein: the slope ratio of the foundation pit (3) is less than 1: 1.