CN219261037U

CN219261037U - Foundation pit supporting structure capable of absorbing shock

Info

Publication number: CN219261037U
Application number: CN202320135831.4U
Authority: CN
Inventors: 马永超; 朱江; 孙立平; 陈贵
Original assignee: State Construction Huazhong Construction Co ltd
Current assignee: State Construction Huazhong Construction Co ltd
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-06-27
Anticipated expiration: 2033-01-17

Abstract

The utility model relates to the field of building equipment, in particular to a foundation pit supporting structure capable of damping, which comprises a supporting plate component, a pressing plate, a damping plate component, anchor rods and springs, wherein a plurality of square surrounding grids are arranged on one side surface of a supporting plate of the supporting plate component, a plurality of pressing plates are respectively arranged in a plurality of square surrounding grids of the supporting plate component, a plurality of elastic damping plate components are arranged between the plurality of pressing plates and the supporting plate, the supporting plate component is attached to the side wall of a foundation pit, one exposed end of the anchor rods fixedly connected in the soil layer of the side wall of the foundation pit can pass through the supporting plate component, the damping plate component and the pressing plates, a plurality of springs are sleeved on the exposed ends of the anchor rods and are arranged at the outer side of the pressing plates and are pressed by nuts, and the pressing plates can press the damping plate component to elastically press the supporting plate component. The utility model can resist the impact of the frequent vibration of the foundation pit on the supporting member by the double-layer elastic shock absorption, can solve the problem that the supporting member is not firm or damaged due to the frequent vibration, and can reduce the risk of collapse of the foundation pit.

Description

Foundation pit supporting structure capable of absorbing shock

Technical Field

The utility model relates to the field of building equipment, in particular to a foundation pit supporting structure capable of absorbing shock.

Background

The building foundation pit is different in selected supporting structure according to the depth of the foundation pit, environmental conditions, soil, groundwater conditions and the like, wherein the anchor-pulling type supporting structure is widely adopted due to low cost and easy construction. However, the anchor-pull type supporting structure has insufficient anti-seismic performance, particularly if a frequently-driven engineering vehicle or a tunneling machine with larger vibration is arranged around the foundation pit, the stability and the supporting effect of the supporting structure can be affected by the frequent vibration, and even anchor rods are broken when serious, so that the foundation pit collapse is caused. The existing anchor-pull type supporting structure is mainly rigidly connected with a supporting plate through anchor rods, is not beneficial to shock absorption and is easy to loosen or break. Although the disclosure technology refers to the mode of utilizing a transverse adjusting mechanism and a pressure sensor to alarm for mechanical adjustment and vibration alarm, for example, the disclosure of an authorized publication number CN216973493U is an utility model patent technology of a building anti-seismic supporting structure, which is "through arranging a thread sleeve, a screw rod, a motor, a first gear and a second gear, a user can conveniently adjust the position of a supporting plate so as to increase the supporting effect, and through arranging a thread cylinder, the distance between a bolt and the pressure sensor can be conveniently adjusted …, so that the warning reminding can be carried out on the user when displacement or strong vibration occurs. The technology is used for supporting in the occasion with frequent vibration, but only the control motor is started to transversely adjust when the position of the support plate is required to be adjusted after the support structure is vibrated, and only displacement is generated after the vibration, so that the technology can give an alarm afterwards, and cannot automatically absorb vibration to resist the impact of the vibration on the anchor rod, and prevent loosening caused by the vibration, and cannot reduce collapse risks caused by unstable support or damage of the support member caused by the vibration. In view of this, there is a need for an improved support structure for shock absorption.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model discloses a foundation pit supporting structure capable of absorbing shock, which comprises a supporting plate component, a pressing plate, a shock absorbing plate component, anchor rods and springs, wherein one side surface of a supporting plate of the supporting plate component is divided and enclosed into a plurality of square enclosing grids by a plurality of separating ribs, the plurality of pressing plates are respectively arranged in the plurality of square enclosing grids on the supporting plate component, the plurality of corrugated elastic shock absorbing plate components are arranged between the plurality of pressing plates and the supporting plate, the supporting plate component is vertically arranged and is attached to the side wall of a foundation pit, one exposed end of a plurality of anchor rods fixedly connected in the soil layer of the side wall of the foundation pit can pass through the supporting plate component, the shock absorbing plate component and the pressing plates, the plurality of springs are respectively sleeved on the exposed ends of the plurality of anchor rods and are arranged outside the pressing plates and are tightly pressed by nuts, and the pressing plate can press the shock absorbing plate component to elastically push the supporting plate component. According to the utility model, the corrugated elastic damping plate is arranged between the support plate and the pressing plate, and the damping springs are arranged at the suspension ends of the anchor rods, so that the pressing plate and the support plate are elastically pressed, the anchor rods are elastically connected with the pressing plate, and the impact of frequent vibration of a foundation pit on the support member is resisted through double-layer elastic damping, so that the problem that the support member is unstable or damaged due to the frequent vibration can be solved, and the collapse risk of the foundation pit can be reduced.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a but foundation ditch supporting construction of shock attenuation, includes a plurality of stock of rigid coupling in foundation ditch lateral wall soil layer, and the one end that the stock exposes is equipped with external screw thread, its characterized in that: still include backplate subassembly, clamp plate, shock attenuation board subassembly and spring, backplate subassembly stand and laminate with the foundation ditch lateral wall, the clamp plate stand in backplate subassembly's outside, shock attenuation board subassembly be corrugated elastic plate, the shock attenuation board subassembly is arranged in between clamp plate and the backplate subassembly, the one end that the stock exposes can pass backplate subassembly, shock attenuation board subassembly and clamp plate, the spring cup joints on the exposed end of stock and arranges the outside of clamp plate in, the spring can be compressed tightly by the nut that establishes on the exposed end of stock, the clamp plate can oppress the shock attenuation board subassembly and carry out elasticity roof pressure to backplate subassembly.

The support plate assembly comprises a support plate and a separation rib, wherein the support plate is a hard flat plate, the separation rib is a strip flat plate, the separation rib is provided with a plurality of separation ribs, and the plurality of separation ribs are fixedly connected on one side surface of the support plate in a side-by-side manner and divide the side surface into a plurality of square surrounding grids with the same size.

The pressing plate is a square hard flat plate, the pressing plate is a plurality of pieces, and the pressing plates are respectively arranged in a plurality of square surrounding grids on the support plate assembly and can slide in the square surrounding grids.

The damping plate assembly comprises a damping plate and a base plate, wherein the damping plate is an elastic plate which is bent into a corrugated shape by an elastic flat plate, the base plate is a strip-shaped hard flat plate, the base plate is a plurality of pieces, and the base plates are transversely fixedly connected to external corners of bent parts of the damping plate.

The shock-absorbing plate assembly is a plurality of pieces, the shock-absorbing plate assembly is respectively arranged in the square surrounding grids on the support plate assembly and between the pressing plates and the support plate, and the shock-absorbing plate assembly can elastically deform and slide in the square surrounding grids on the support plate assembly.

And through holes for the anchor rods to pass through are formed in the support plate, the pressing plate, the damping plate and the backing plate.

The springs are shock-absorbing pressure springs, the springs are a plurality of pieces, the springs are sleeved on the exposed ends of the anchor rods and are arranged on the outer sides of the pressing plates, and the springs can be pressed by nuts arranged on the exposed ends of the anchor rods.

As can be seen from the above description, the foundation pit supporting structure with damping function provided by the utility model has the following advantages: firstly, be equipped with the elastic damper board of flute form between backplate and clamp plate, the clamp plate can oppress the damper board subassembly and carry out elasticity roof pressure to backplate subassembly, and the impact that the frequent vibrations of foundation ditch brought can be absorbed to the elastic damper board in dynamic, makes supporting construction more stable, and backplate and foundation ditch lateral wall can closely laminate more and make the supporting effect better. And secondly, the damping spring is sleeved on the exposed end of the anchor rod and is arranged on the outer side of the pressing plate, so that the anchor rod can be damped and buffered when being impacted by vibration, the anchor rod is prevented from being broken, and the risk of collapse of a foundation pit can be reduced. The utility model has reasonable design, simple structure, low cost and convenient popularization.

Drawings

FIG. 1 is a schematic view of a foundation pit supporting structure capable of damping shock according to the present utility model;

FIG. 2 is an enlarged schematic view of the direction A in FIG. 1;

FIG. 3 is a schematic view of a support plate assembly;

FIG. 4 is an enlarged schematic view of a shock absorbing plate assembly;

fig. 5 is an enlarged view of fig. 4 in the direction B.

Reference numerals:

1 a guard plate assembly; 11 guard plates; 12 spacer ribs; 2, pressing plates; 3 a shock absorbing plate assembly; 31 a shock absorbing plate; a 32 backing plate; 4, anchoring rod; and 5, a spring.

Detailed Description

The utility model is further described below by means of specific embodiments.

As shown in fig. 1 to 2, the foundation pit supporting structure capable of damping according to the present utility model comprises a supporting plate assembly 1, a pressing plate 2, a damping plate assembly 3, an anchor rod 4 and a spring 5. The anchor rod 4 pour the rigid coupling with mixing earth in foundation ditch lateral wall soil layer, anchor rod 4 is a plurality of, and its one end of exposing all is equipped with the external screw thread, backplate subassembly 1 stand and laminate with the foundation ditch lateral wall, clamp plate 2 stand in backplate subassembly 1's outside, shock attenuation board subassembly 3 be corrugated elastic plate, shock attenuation board subassembly 3 is arranged in between clamp plate 2 and the backplate subassembly 1, the one end that anchor rod 4 exposes can pass backplate subassembly 1, shock attenuation board subassembly 3 and clamp plate 2, spring 5 cup joints on the exposed end of anchor rod 4 and arranges the outside of clamp plate 2, spring 5 can be compressed tightly by the nut that sets up on the exposed end of anchor rod 4, clamp plate 2 can oppress shock attenuation board subassembly 3 to backplate subassembly 1 elasticity roof pressure.

As shown in fig. 1 to 5, the support plate assembly 1 of the present utility model includes a support plate 11 and a spacer rib 12, the support plate 11 is a hard plate, the spacer rib 12 is a strip plate, the spacer rib 12 is provided with a plurality of pieces, and the plurality of pieces of spacer ribs 12 are fixedly connected on a side surface of the support plate 11 in a standing manner and divide the side surface into a plurality of square surrounding grids with the same size. The pressing plate 2 is a square hard flat plate, the pressing plate 2 is a plurality of pieces, and the pressing plates 2 are respectively arranged in a plurality of square surrounding grids on the support plate assembly 1 and can slide in the square surrounding grids. The shock-absorbing plate assembly 3 comprises a shock-absorbing plate 31 and a base plate 32, wherein the shock-absorbing plate 31 is an elastic plate which is bent into a corrugated shape by an elastic flat plate, the base plate 32 is a strip-shaped hard flat plate, the base plate 32 is a plurality of pieces, and the base plates 32 are transversely fixedly connected to external corners of bent parts of the shock-absorbing plate 31. The shock-absorbing plate assembly 3 is a plurality of pieces, the shock-absorbing plate assemblies 3 are respectively arranged in a plurality of square surrounding grids on the support plate assembly 1 and are respectively arranged between the pressing plates 2 and the support plate 11, and the shock-absorbing plate assemblies 3 can elastically deform and slide in the square surrounding grids on the support plate assembly 1. The supporting plate 11, the pressing plate 2, the damping plate 31 and the backing plate 32 are provided with through holes for the anchor rods 4 to pass through. The springs 5 are shock-absorbing pressure springs, the springs 5 are a plurality of pieces, the springs 5 are respectively sleeved on the exposed ends of the anchor rods 4 and are arranged on the outer sides of the pressing plates 2, and the springs 5 can be pressed by nuts arranged on the exposed ends of the anchor rods 4.

According to the utility model, the corrugated elastic damping plate is arranged between the support plate and the pressing plate, and the damping springs are arranged at the suspension ends of the anchor rods, so that the pressing plate and the support plate are elastically pressed, the anchor rods are elastically connected with the pressing plate, and the impact of frequent vibration of a foundation pit on the support member is resisted through double-layer elastic damping, so that the problem that the support member is unstable or damaged due to the frequent vibration can be solved, and the collapse risk of the foundation pit can be reduced.

The foregoing is merely an embodiment of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the concept shall belong to the behavior of infringement of the protection scope of the present utility model.

Claims

1. The utility model provides a foundation ditch supporting construction that can shock attenuation, includes a plurality of stock (4) of rigid coupling in foundation ditch lateral wall soil layer, and the one end that stock (4) exposes is equipped with external screw thread, its characterized in that: still include backplate subassembly (1), clamp plate (2), shock attenuation board subassembly (3) and spring (5), backplate subassembly (1) set up and laminate with the foundation ditch lateral wall, clamp plate (2) set up in backplate subassembly (1)'s outside, shock attenuation board subassembly (3) be corrugated elastic plate, shock attenuation board subassembly (3) are arranged in between clamp plate (2) and backplate subassembly (1), shock attenuation board subassembly (3) and clamp plate (2) can be passed to the one end that stock (4) exposes, spring (5) cup joint on the exposed end of stock (4) and place the outside of clamp plate (2), spring (5) can be compressed tightly by the nut that sets up on the exposed end of stock (4), clamp plate (2) can oppress shock attenuation board subassembly (3) and carry out elasticity roof pressure to backplate subassembly (1).

2. The cushioned foundation pit support structure of claim 1, wherein: the support plate assembly (1) comprises a support plate (11) and separation ribs (12), wherein the support plate (11) is a hard flat plate, the separation ribs (12) are strip-shaped flat plates, the separation ribs (12) are provided with a plurality of pieces, and the separation ribs (12) are fixedly connected on one side face of the support plate (11) in a side standing mode and divide the side face into a plurality of square surrounding grids with the same size.

3. The cushioned foundation pit support structure of claim 2, wherein: the pressing plate (2) is a square hard flat plate, the pressing plate (2) is a plurality of pressing plates (2) are respectively arranged in a plurality of square surrounding grids on the support plate assembly (1) and can slide in the square surrounding grids.

4. A cushioned foundation pit support structure of claim 3 wherein: the shock-absorbing plate assembly (3) comprises a shock-absorbing plate (31) and a base plate (32), wherein the shock-absorbing plate (31) is an elastic plate bent into a corrugated shape by an elastic flat plate, the base plate (32) is a strip-shaped hard flat plate, the base plate (32) is a plurality of pieces, and the base plates (32) are transversely fixedly connected to external corners of the bending positions of the shock-absorbing plate (31).

5. The cushioned foundation pit supporting structure of claim 4, wherein: the shock-absorbing plate assembly (3) is a plurality of pieces, the shock-absorbing plate assemblies (3) are respectively arranged in a plurality of square surrounding grids on the support plate assembly (1) and are respectively arranged between the pressing plates (2) and the support plate (11), and the shock-absorbing plate assemblies (3) can elastically deform and slide in the square surrounding grids on the support plate assembly (1).

6. The cushioned foundation pit support structure of claim 5, wherein: the spring (5) is a pressure spring, the spring (5) is a plurality of pieces, the springs (5) are respectively sleeved on the exposed ends of the anchor rods (4) and are arranged on the outer side of the pressing plate (2), and the springs (5) can be pressed by nuts arranged on the exposed ends of the anchor rods (4).