CN212405164U

CN212405164U - Deep foundation pit corner supporting mechanism

Info

Publication number: CN212405164U
Application number: CN202020619759.9U
Authority: CN
Inventors: 袁嘉威; 袁连佳; 袁嘉康; 袁嘉劲
Original assignee: Guangdong Wanyi Foundation Engineering Co ltd
Current assignee: Guangdong Wanyi Foundation Engineering Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-01-26
Anticipated expiration: 2030-04-23

Abstract

The utility model belongs to the technical field of deep basal pit support's technique and specifically relates to a deep basal pit corner supporting mechanism is related to, its technical scheme main points are: including setting up at the wall-forming fender pile of foundation ditch lateral wall and setting up the corner fender pile at the foundation ditch corner, the both sides of corner fender pile are provided with the supporting mechanism who is used for the interval and supports adjacent wall-forming fender pile, supporting mechanism includes the first backplate that laminates with corner fender pile side, the second backplate that laminates with corner fender pile adjacent wall-forming fender pile side and is used for supporting first backplate and corner fender pile side tightly, the second backplate supports tight adjusting part with wall-forming fender pile side. The utility model discloses have the reinforcing and to the advantage of the protection of corner fender pile.

Description

Deep foundation pit corner supporting mechanism

Technical Field

The utility model belongs to the technical field of the technique of deep basal pit is strutted and specifically relates to a deep basal pit corner supporting mechanism is related to.

Background

With the rapid advance of the urbanization process in China, the development and utilization of underground space are more and more concerned by people. The foundation pit engineering mainly comprises design and construction of a foundation pit supporting system and earth excavation, and is a system engineering with strong comprehensiveness. The most important is the design and construction of the supporting system. Without a reliable supporting system, the excavation of the foundation pit inevitably affects adjacent buildings or structures, and even causes accidents such as surface collapse and structure collapse in severe cases.

At present, the most common foundation pit engineering is to adopt a surrounding structure of a cast-in-situ bored pile and additionally use a rock stratum anchor rod for assistance. The method comprises the steps that firstly, a worker forms a pile hole in foundation soil by means of mechanical drilling and the like on an edge line of a foundation pit needing to be excavated, then a reinforcement cage is placed in the pile hole and concrete is poured to form a support pile, a support wall is formed by attaching the support pile and the support pile, the inner space of the foundation pit is isolated from a rock stratum outside the foundation pit, however, wall-forming support piles are connected into the support wall to resist transverse shearing force from the rock stratum, and corner support piles at corners are subjected to transverse shearing force from two directions, so that the corners of the support wall are easy to damage, and the integral stability of the support wall can be seriously influenced. Notice the utility model patent of CN 209741856U's china utility model, provide a corner supporting mechanism of deep basal pit, including setting up corner fender pile and the stock in foundation ditch corner, set up the stock on corner fender pile to improve corner fender pile's installation stability

The above prior art solutions have the following drawbacks: the two sides of the anchor seat are abutted with the wall-forming support piles to prevent the wall-forming support piles from extruding the corner support piles, the supporting strength is not enough, one side of the wall-forming support piles, which is close to the foundation pit rock stratum, can also have transverse shearing force extruding towards the corner support piles, and when the anchor seat shakes, the anchor seat can also generate relative deviation or loosen, so that the protection effect on the corner support piles can be influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a deep basal pit corner supporting mechanism, its advantage that has the protection of reinforcing to corner fender pile.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a deep foundation pit corner supporting mechanism comprises wall-forming supporting piles arranged on the side wall of a foundation pit and corner supporting piles arranged at corners of the foundation pit, wherein supporting mechanisms used for spacing and supporting adjacent wall-forming supporting piles are arranged on two sides of each corner supporting pile, each supporting mechanism comprises a first protection plate attached to the side face of each corner supporting pile, a second protection plate attached to the side face of each wall-forming supporting pile adjacent to the corner supporting pile, and an adjusting assembly used for tightly abutting the first protection plate against the side face of each corner supporting pile and tightly abutting the second protection plate against the side face of each wall-forming supporting pile; the adjusting assembly comprises a first sleeve joint, a second sleeve joint and an adjusting rod, a first threaded hole is formed in one end face of the first sleeve joint, and one end face, far away from the first threaded hole, of the first sleeve joint is fixedly connected with the first guard plate; a second threaded hole is formed in one end face of the second sleeve joint, one end face, far away from the second threaded hole, of the second sleeve joint is fixedly connected with the second guard plate, the thread directions of the first threaded hole and the second threaded hole are opposite, thread sections in opposite directions are arranged at two ends of the side face of the adjusting rod, and the two thread sections are in threaded connection with the first threaded hole and the second threaded hole respectively.

Through adopting above-mentioned technical scheme, the reverse screw thread section that sets up that utilizes regulation pole both sides connects and second overlap joint threaded connection respectively with first cover, thereby when the rotation regulation pole, the both ends of adjusting the pole can screw in first screw hole and second screw hole respectively simultaneously, perhaps screw out first screw hole and second screw hole simultaneously, and then can adjust the extension length of adjusting the pole, the realization is to first backplate and corner fender pile, the second backplate and successful strong fender pile's support tight effect, thereby avoid the wall fender pile to extrude the corner fender pile, and play the effect that stabilizes the corner fender pile, therefore improve the stability of foundation ditch corner department.

The present invention may be further configured in a preferred embodiment as: one side of one-wall supporting pile is provided with the fender apron, the side that the fender apron kept away from one-wall supporting pile contradicts with the foundation ditch lateral wall.

Through adopting above-mentioned technical scheme, the fender apron sets up between foundation ditch lateral wall and wall-forming fender pile to can prevent that the rock stratum of foundation ditch lateral wall from strutting the clearance between changeing to the foundation ditch landing by wall-forming fender pile and corner.

The present invention may be further configured in a preferred embodiment as: the middle part of the adjusting rod is a hexagonal prism rod body.

Through adopting above-mentioned technical scheme, compare with the cylindrical rod body, adjust the pole middle part and set up to the friction that the hexagonal prism body of rod can increase staff and adjust the pole side to the regulation pole of being convenient for rotate.

The present invention may be further configured in a preferred embodiment as: the corner fender pile is provided with the stock subassembly that is arranged in the corner fender pile that stabilizes, the stock subassembly is including passing the corner fender pile and stretching into the body of rod in the foundation ditch rock stratum and connecting the one end of the body of rod and contradict the anchor block on corner fender pile surface, the anchor block cup joints in the body of rod.

Through adopting above-mentioned technical scheme, utilize the stock body of rod to realize the anchor with corner fender pile and foundation ditch rock stratum, the one end flexonics that the anchor block stretches out corner fender pile with the body of rod to under the condition of taking place strong vibrations, can avoid producing between stock and the anchor block not hard up, and avoid leading to holistic tear to split.

The present invention may be further configured in a preferred embodiment as: the anchor block comprises a base fixed on the corner support pile and a base plate connected with the base in a sliding mode, a through hole for one end of the rod body to pass through is coaxially formed in the corner support pile, the base and the base plate, a fastening piece tightly abutted to the base plate is installed at the other end of the rod body in a threaded mode, and a cushioning piece used for enabling the base plate to tightly abut to the base is arranged on the base.

Through adopting above-mentioned technical scheme, the base cooperates the joint with the backing plate slides, when realizing the fastening to base and backing plate through the fastener, the bradyseism piece can support tightly base and backing plate, prevents to become flexible between base and the backing plate.

The present invention may be further configured in a preferred embodiment as: the fastener is a nut.

Through adopting above-mentioned technical scheme, the nut is common fixed device, and it is comparatively convenient to use and purchase.

The present invention may be further configured in a preferred embodiment as: the shock absorption piece is a spring, one end of the spring is fixedly connected with the side face, far away from the corner support pile, of the base, and the other end of the spring is abutted to the side face, facing the base, of the base plate.

Through adopting above-mentioned technical scheme, when the fastener was close to the backing plate toward the base and fastens, the spring of compressed can support base and backing plate tightly to take place not hard up and influence the fixed of stock and anchor block with the base in order to prevent backing plate and base.

The present invention may be further configured in a preferred embodiment as: the base is provided with a guide post, one end of the guide post is fixedly connected with the side face, facing the base plate, of the base, and the guide post is inserted in the spring and penetrates through the base plate.

Through adopting above-mentioned technical scheme, when backing plate and base slided relatively, the effect that the guide post of interlude in the backing plate can play the direction of sliding, and the spring cup joints in the guide post, can prevent that the spring is crooked, has also played the effect of direction to the flexible of spring.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the wall-forming support piles and the corner support piles can be separated through the support mechanism and play a role in supporting, and the wall-forming support piles are prevented from being extruded to the corner support piles;

2. a spring is arranged between the backing plate and the base, so that the anchor rod and the anchor seat have a better fastening effect.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an adjusting assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a bolt assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of an assembly relationship between a base and a backing plate according to an embodiment of the present invention.

Reference numerals: 100. forming a wall and supporting piles; 200. supporting piles at corners; 300. a soil guard plate; 400. a foundation pit; 1. a first guard plate; 2. a second guard plate; 3. an adjustment assembly; 31. a first set of joints; 32. a second set of connectors; 33. adjusting a rod; 34. a threaded segment; 41. a rod body; 42. an anchor block; 421. a base; 422. a base plate; 43. a fastener; 44. a cushioning member; 45. a guide post; 46. and (6) perforating.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a deep basal pit corner supporting mechanism, this deep basal pit corner supporting mechanism sets up in foundation ditch 400 inboard, including laminating in the fender apron 300 of foundation ditch 400 lateral wall, set up the wall forming fender pile 100 at the foundation ditch 400 lateral wall, and set up the corner fender pile 200 at the foundation ditch 400 corner, wall forming fender pile 100 is provided with a plurality of along the foundation ditch 400 lateral wall, closely set up between the adjacent wall forming fender pile 100, corner fender pile 200 sets up with the adjacent wall forming fender pile 100 interval in both sides, the both sides of corner fender pile 200 are provided with the supporting mechanism who is used for the interval and supports adjacent wall forming fender pile 100. The retaining plate 300 is located between the wall-forming support piles 100 and the side wall of the foundation pit 400, one side surface of the retaining plate 300 is abutted against the side wall of the foundation pit 400, the other side surface of the retaining plate 300 is abutted against the outer side surface of the wall-forming support pile 100, and the retaining plate 300 is used for preventing rock strata on the side wall of the foundation pit 400 from sliding down to the foundation pit 400 from a gap between the wall-forming support piles 100 and the corner support piles 200.

Referring to fig. 1, the supporting mechanism includes a first guard plate 1 attached to a side surface of a corner support pile 200, a second guard plate 2 attached to a side surface of a wall-forming support pile 100 adjacent to the corner support pile 200, and an adjusting assembly 3 for tightly abutting the first guard plate 1 against the side surface of the corner support pile 200 and tightly abutting the second guard plate 2 against the side surface of the wall-forming support pile 100.

Referring to fig. 2, in the present embodiment, the adjusting assembly 3 includes a first sleeve joint 31, a second sleeve joint 32 and an adjusting rod 33, a first threaded hole (not shown) is formed in one end surface of the first sleeve joint 31, the first threaded hole extends along a length direction of the first sleeve joint 31, and an end surface of the first sleeve joint 31, which is far away from the first threaded hole, is fixedly connected to the first protector 1. A second threaded hole (not shown) is formed in one end surface of the second sleeve joint 32, the second threaded hole extends along the length direction of the second sleeve joint 32, and one end surface of the second sleeve joint 32, which is far away from the second threaded hole, is fixedly connected with the second guard plate 2. It should be noted that the first threaded hole and the second threaded hole are opposite in thread direction. Two ends of the side surface of the adjusting rod 33 are provided with thread sections 34 in opposite directions, and the two thread sections 34 are respectively in threaded connection with the first threaded hole and the second threaded hole. Therefore, when the adjusting rod 33 is rotated, the two ends of the adjusting rod 33 can be screwed into the first threaded hole and the second threaded hole respectively, or the first threaded hole and the second threaded hole can be screwed out simultaneously, the extension length of the adjusting rod 33 can be adjusted, and the effect of resisting the first guard plate 1 and the corner supporting pile 200, the second guard plate 2 and the successful strong supporting pile is achieved. In addition, the middle part of the adjusting rod 33 is a hexagonal prism rod body 41, so that the friction between the human hand and the side surface of the adjusting rod 33 is increased, and the adjusting rod 33 can be rotated conveniently.

Referring to fig. 3, in order to further strengthen and stabilize the corner support piles 200, an anchor rod assembly is disposed on the corner support piles 200, specifically, the anchor rod assembly includes a rod body 41 passing through the corner support piles 200 and extending into the rock stratum of the foundation pit 400, and an anchor base 42 connected to one end of the rod body 41 and abutting against the surface of the corner support piles 200, the anchor base 42 is sleeved on the rod body 41, and the anchor base 42 can slide relative to the rod body 41. Specifically, the anchor base 42 includes a base 421 fixed on the corner support pile 200, and a backing plate 422 connected to the base 421 in a sliding manner, through holes for allowing one end of the rod 41 to pass through are coaxially formed in the corner support pile 200, the base 421 and the backing plate 422, a fastening member 43 abutting against the backing plate 422 is installed at the other end of the rod 41 in a threaded manner, and in this embodiment, the fastening member 43 is preferably a nut. Referring to fig. 4, the base 421 is provided with four guide posts 45, the guide posts 45 are respectively located at four corners of the base 421, one end of each guide post 45 is fixedly connected to a side surface of the base 421 facing the backing plate 422, the backing plate 422 is correspondingly provided with four through holes 46, and the other end of each guide post 45 is inserted into the through hole 46 and slidably connected to the backing plate 422. The base 421 is provided with a shock absorption member 44 for tightly supporting the base plate 422 and the base 421, the shock absorption member 44 is a spring, the spring is correspondingly sleeved on each guide post 45, one end of the spring is fixedly connected with the side surface of the base 421 far away from the corner support pile 200, and the other end of the spring is abutted against the side surface of the base plate 422 facing the base 421, so as to reinforce the fastening of the anchor seat 42 and the rod body 41.

The implementation principle of the embodiment is as follows: providing support mechanisms on both sides of the corner support piles 200, thereby spacing the wall-forming support piles 100 from the corner support piles 200 and supporting the wall-forming support piles 100 and the corner support piles 200 to prevent the wall-forming support piles 100 on both sides from being pressed against the corner support piles 200 to damage the corner support piles 200; the two ends of the adjusting rod 33 are respectively in threaded connection with the first sleeve joint 31 and the second sleeve joint 32, and the thread directions are opposite, so that the extending length of the adjusting rod 33 can be adjusted by rotating the adjusting rod 33, and the side surface of the wall-forming support pile 100 is tightly abutted against the second guard plate 2 and the side surface of the corner support pile 200 is tightly abutted against the first guard plate 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a deep basal pit corner supporting mechanism which characterized in that: the wall forming support pile structure comprises wall forming support piles (100) arranged on the side wall of a foundation pit (400) and corner support piles (200) arranged at corners of the foundation pit (400), wherein supporting mechanisms used for spacing and supporting the adjacent wall forming support piles (100) are arranged on two sides of each corner support pile (200), each supporting mechanism comprises a first protection plate (1), a second protection plate (2) and an adjusting component (3), the first protection plate (1) is attached to the side face of each corner support pile (200), the second protection plate (2) is attached to the side face of each wall forming support pile (100) adjacent to the corner support pile (200), and the adjusting component (3) is used for tightly supporting the first protection plate (1) and the side face of each corner support pile (200) and tightly supporting the second protection plate (2) and the side face of each wall forming support pile (100); the adjusting assembly (3) comprises a first sleeve joint (31), a second sleeve joint (32) and an adjusting rod (33), a first threaded hole is formed in one end face of the first sleeve joint (31), and one end face, far away from the first threaded hole, of the first sleeve joint (31) is fixedly connected with the first guard plate (1); a second threaded hole is formed in one end face of the second sleeve joint (32), one end face, far away from the second threaded hole, of the second sleeve joint (32) is fixedly connected with the second guard plate (2), the thread directions of the first threaded hole and the second threaded hole are opposite, thread sections (34) in opposite directions are arranged at two ends of the side face of the adjusting rod (33), and the two thread sections (34) are in threaded connection with the first threaded hole and the second threaded hole respectively.

2. The deep foundation pit corner supporting mechanism according to claim 1, wherein: one side of one-wall supporting pile (100) is provided with a retaining plate (300), and the side of retaining plate (300) far away from one-wall supporting pile (100) is abutted against the side wall of foundation pit (400).

3. The deep foundation pit corner supporting mechanism according to claim 1, wherein: the middle part of the adjusting rod (33) is a hexagonal prism rod body (41).

4. The deep foundation pit corner supporting mechanism according to claim 1, wherein: corner fender pile (200) are provided with the stock subassembly that is arranged in firm corner fender pile (200), the stock subassembly is including passing corner fender pile (200) and stretching into body of rod (41) in foundation ditch (400) rock stratum and connecting in the one end of the body of rod (41) and contradict anchor block (42) on corner fender pile (200) surface, anchor block (42) cup joint with the body of rod (41) and the body of rod (41).

5. The deep foundation pit corner supporting mechanism according to claim 4, wherein: anchor socket (42) including fixing base (421) on corner fender pile (200), slide backing plate (422) of being connected with base (421), the coaxial through-hole that supplies body of rod (41) one end to pass of offering on corner fender pile (200), base (421) and backing plate (422), fastener (43) that offset tightly with backing plate (422) are installed to the other end screw thread of the body of rod (41), be provided with on base (421) and be used for making backing plate (422) and base (421) support tight bradyseism piece (44).

6. The deep foundation pit corner supporting mechanism according to claim 5, wherein: the fastener (43) is a nut.

7. The deep foundation pit corner supporting mechanism according to claim 5, wherein: the shock absorption piece (44) is a spring, one end of the spring is fixedly connected with the side face, far away from the corner support pile (200), of the base, and the other end of the spring is abutted against the side face, facing the base, of the backing plate (422).

8. The deep foundation pit corner supporting mechanism according to claim 5, wherein: be provided with guide post (45) on base (421), the one end of guide post (45) and base (421) are towards the side fixed connection of backing plate (422), guide post (45) are worn to insert in the spring and are passed backing plate (422).