CN215518794U

CN215518794U - Assembled underground structure

Info

Publication number: CN215518794U
Application number: CN202121515170.5U
Authority: CN
Inventors: 戴晋; 王晓勇; 马英新
Original assignee: PowerChina Roadbridge Group Co Ltd
Current assignee: PowerChina Roadbridge Group Co Ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-01-14
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses an assembled foundation pit supporting structure which comprises a first supporting and protecting plate and a second supporting and protecting plate, wherein the middle parts of the top ends of the first supporting and protecting plate and the second supporting and protecting plate are fixedly connected with mounting blocks, the inner sides of the mounting blocks are rotatably connected with threaded sleeves through rotating shafts, the threaded sleeves are respectively in threaded connection with the two ends of a double-end screw rod, the front ends of fixing seats are respectively rotatably connected with an inserted rod, the front ends of first connecting rods are respectively rotatably connected with the two sides of the rear end of the screw rod, the peripheries of the inserted rods are respectively connected with sleeves through jacks, and the sleeves are respectively and fixedly connected with the two sides of one end, close to the first supporting and protecting plate, of the second supporting and protecting plate. According to the utility model, the second supporting plate is sleeved outside the inserted rod through the sleeve and the inserted hole, so that the connection between the first supporting plate and the second supporting plate is realized, the installation is simple, the double-head screw enables the first supporting plate and the second supporting plate to be steplessly adjusted, and the double-head screw is suitable for different foundation pits and is worth of being widely popularized.

Description

Assembled underground structure

Technical Field

The utility model relates to the field of foundation pit supporting structures, in particular to an assembled foundation pit supporting structure.

Background

In the future, the Chinese economy and the world economy will be continuously developed for a long time, so the demand for building products will be continuously increased, the realization of building industrialization is particularly important, meanwhile, along with the large increase of building activities, the large energy consumption and the serious environmental damage, the environment is required to be greatly consumed, green, recyclable and reusable materials, construction processes and methods are required to be used in the building activities, the green environment protection of the building industrialization and the building activities is required to be realized, the application prospect of an assembly structure system must be emphasized, and the application of the assembly structure system is greatly developed The construction period is short, so the fabricated structure is very suitable for being applied to foundation pit supporting engineering and has very great advantages and vitality. However, fabricated excavation supporting structures have not been used much.

Patent document CN213267918U discloses an assembled excavation supporting construction relates to excavation supporting's field, including setting up in a plurality of base plates in excavation main part one side and mutual concatenation, the base plate including be located the mainboard of excavation main part one side and set up in mainboard one side is close to the connecting plate of the position of four terminal surfaces, and is adjacent connecting plate interconnect, the T-slot has been seted up in the connecting plate outside, the T-slot runs through the connecting plate terminal surface, and is adjacent be provided with the I-shaped piece between the base plate, I-shaped piece sliding connection is in corresponding two sets of T-slot inslot, and is adjacent connect through the I-shaped piece between the base plate, the inboard position that corresponds the I-shaped piece of connecting plate all is provided with fastening component, it is fixed through fastening component between connecting plate and the I-shaped piece. This application is convenient for carry out the dismouting to supporting construction, and this patent has mentioned and has been convenient for carry out the dismouting with excavation supporting construction, but there are two shortcomings when this patent uses, firstly can not carry out electrodeless regulation with excavation supporting construction so that the foundation ditch of different angles uses, secondly this excavation supporting construction is very loaded down with trivial details in the dismouting, needs many operations simultaneously just can realize excavation supporting construction's installation, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

(I) technical problems to be solved by the utility model

The technical problem solved by the utility model is as follows: how to facilitate the angle of the supporting structure.

(II) the technical scheme adopted by the utility model

An assembled foundation pit supporting structure comprises a first supporting plate and a second supporting plate, wherein the middle parts of the top ends of the first supporting plate and the second supporting plate are fixedly connected with an installation block, the inner sides of the installation block are rotatably connected with threaded sleeves through rotating shafts, the threaded sleeves are rotatably connected with two ends of a double-end screw rod, both sides of one end of the first supporting plate are provided with fixed seats, the front ends of the fixed seats are rotatably connected with inserted rods, the inside of each inserted rod is provided with a working groove, both sides of the rear end of the working groove are rotatably connected with a second connecting rod, the front ends of the second connecting rods are rotatably connected with first connecting rods, the front ends of the first connecting rods are rotatably connected with both sides of the rear end of a threaded rod, the inside of the front ends of the inserted rods is rotatably connected with rotating pieces, both ends of the rotating pieces are fixedly connected with limit nuts, the peripheries of the inserted rods are connected with sleeves through jacks, the sleeves are fixedly connected to two sides of one end, close to the first supporting plate, of the second supporting plate.

As a further description of the above technical solution:

the middle part periphery of double-end screw is provided with the handle.

As a further description of the above technical solution:

the threaded rods are all arranged in the middle of the inserting rod in a sliding mode.

As a further description of the above technical solution:

the limiting nuts are all in threaded connection with the periphery of the threaded rod.

As a further description of the above technical solution:

the roof and the diapire of sleeve rear end all are provided with the fixed slot, the internal diameter of fixed slot all is greater than the external diameter of first connecting rod and second connecting rod.

As a further description of the above technical solution:

the front end of the first supporting plate is provided with a sliding groove.

As a further description of the above technical solution:

the rear end of the first supporting plate is provided with a sliding block.

As a further description of the above technical solution:

and mounting holes are formed in four corners of the first supporting plate.

(III) advantageous effects

1. According to the utility model, the second supporting plate is sleeved outside the inserting rod through the sleeve and the inserting hole to realize the connection of the first supporting plate and the second supporting plate, then the limiting nut is screwed to enable the threaded rod to slide in the inserting rod due to reverse acting force, and the threaded rod pushes the first connecting rod and the second connecting rod when sliding, so that the first connecting rod and the second connecting rod rotate by a certain angle and extend from the working groove to the inside of the fixing groove, the fixing of the inserting rod in the sleeve is realized, and the installation of the first supporting plate and the second supporting plate is realized.

2. According to the utility model, the first support guard plate and the second support guard plate are both in threaded connection with two ends of the double-headed screw through the threaded sleeves, when the first support guard plate and the second support guard plate are arranged, the double-headed screw is screwed according to the inclination angle of the pit wall of the foundation pit, so that the second support guard plate can be in stepless regulation and clings to the pit wall of the foundation pit, the foundation pit support structure can adapt to the pit walls with different angles, the application range of the foundation pit support structure is expanded, and the foundation pit support structure is worthy of great popularization.

Drawings

Fig. 1 is a perspective view of an assembled foundation pit supporting structure according to the present invention;

fig. 2 is a cross-sectional structural view of an insert rod of an assembled foundation pit supporting structure according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1.

Illustration of the drawings:

1. a first support shield; 2. mounting blocks; 3. a double-ended screw; 4. a handle; 5. fixing grooves; 6. a sleeve; 7. a jack; 8. a threaded sleeve; 9. a limit nut; 10. a first link; 11. a fixed seat; 12. a second link; 13. a working groove; 14. a threaded rod; 15. a rotating member; 16. inserting a rod; 17. a chute; 18. a slider; 19. mounting holes; 20. a second support guard plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: an assembled foundation pit supporting structure comprises a first supporting plate 1 and a second supporting plate 20, wherein the middle parts of the top ends of the first supporting plate 1 and the second supporting plate 20 are fixedly connected with an installation block 2, the inner sides of the installation block 2 are rotatably connected with threaded sleeves 8 through rotating shafts, the threaded sleeves 8 are respectively in threaded connection with the two ends of a double-headed screw rod 3, both sides of one end of the first supporting plate 1 are provided with fixed seats 11, the front ends of the fixed seats 11 are rotatably connected with inserted rods 16, the inside of the inserted rods 16 is provided with a working groove 13, the first supporting plate 1 and the second supporting plate 20 are respectively in threaded connection with the two ends of the double-headed screw rod 3 through the threaded sleeves 8, the double-headed screw rod 3 is screwed through a handle 4 according to the inclination angle of a foundation pit wall, the second supporting plate 20 can rotate according to the fixed seats 11 on the first supporting plate 1, the angle of the second supporting plate 20 is flexibly adjusted according to the angle of the foundation pit wall, meanwhile, the double-headed screw 3 is connected with the first supporting plate 1 and the second supporting plate 20, so that the foundation pit supporting strength is higher, the foundation pit supporting structure can adapt to foundation pit walls with different angles, both sides of the rear end of the working groove 13 are rotatably connected with the second connecting rod 12, the front end of the second connecting rod 12 is rotatably connected with the first connecting rod 10, the front end of the first connecting rod 10 is rotatably connected with both sides of the rear end of the threaded rod 14, the inside of the front end of the inserting rod 16 is rotatably connected with the rotating part 15, the front end of the rotating part 15 is fixedly connected with the limit nut 9, the periphery of the inserting rod 16 is connected with the sleeve 6 through the inserting hole 7, the sleeve 6 is fixedly connected with both sides of one end, close to the first supporting plate 1, of the second supporting plate 20 is sleeved outside the inserting rod 16 through the sleeve 6 and the inserting hole 7, and then the limit nut 9 is screwed to enable the threaded rod 14 to slide inside the inserting rod 16 due to reverse acting force, when the sliding is carried out, the threaded rod 14 pushes the first connecting rod 10 and the second connecting rod 12, the first connecting rod 10 and the second connecting rod 12 rotate by a certain angle and extend to the fixing groove 5 from the working groove 13, the fixing of the inserting rod 16 in the sleeve 6 is realized, the installation of the first supporting plate 1 and the second supporting plate 20 is realized, and the installation is convenient.

The outer periphery of the middle part of the double-end screw 3 is provided with a handle 4, the double-end screw 3 can be screwed through the handle 4, the threaded rod 14 is arranged in the inner middle part of the inserted rod 16 in a sliding manner, the limiting nut 9 is connected to the outer periphery of the threaded rod 14 in a threaded manner, the top wall and the bottom wall of the rear end of the sleeve 6 are respectively provided with a fixed groove 5, the fixed grooves 5 are connected with the first connecting rod 10 and the second connecting rod 12 to ensure that the inserted rod 16 and the sleeve 6 are stably connected, the inner diameter of each fixed groove 5 is larger than the outer diameter of the first connecting rod 10 and the outer diameter of the second connecting rod 12, the front end of the first support plate 1 is provided with a sliding groove 17, the rear end of the first support plate 1 is provided with a sliding block 18, the sliding block 18 and the sliding groove 17 can enable different first support plates 1 to be spliced to ensure the support of the pit wall of the foundation pit, the four corners of the first support plate 1 are respectively provided with mounting holes 19, the first support plate 1 can be mounted at the bottom of the foundation pit through bolts through the mounting holes 19, so as to realize the fixation of the foundation pit, ensuring that the second retaining plate 20 retains the pit wall in a good condition.

The working principle is as follows: when the foundation pit supporting structure is used, the second supporting and protecting plate 20 is sleeved outside the inserting rod 16 through the sleeve 6 and the inserting hole 7, then the limiting nut 9 is screwed to enable the threaded rod 14 to slide inside the inserting rod 16 due to reverse acting force, the threaded rod 14 pushes the first connecting rod 10 and the second connecting rod 12 during sliding, the first connecting rod 10 and the second connecting rod 12 rotate by a certain angle and extend from the working groove 13 to the inside of the fixing groove 5, the inserting rod 16 is fixed inside the sleeve 6, the first supporting and protecting plate 1 and the second supporting and protecting plate 20 are installed, the installation is convenient, the installation time of the supporting and protecting structure is greatly saved, the first supporting and protecting plate 1 and the second supporting and protecting plate 20 are both in threaded connection with two ends of the double-thread screw rod 3 through the threaded sleeves 8, the double-thread screw rod 3 is screwed through the handle 4 according to the inclination angle of the foundation pit wall, the second supporting and protecting plate 20 can rotate according to the fixing seat 11 on the first supporting and protecting plate 1, the angle of the second supporting plate 20 is flexibly adjusted according to the angle of the foundation pit wall, meanwhile, the double-headed screw 3 is connected with the first supporting plate 1 and the second supporting plate 20, so that the foundation pit supporting strength is higher, the foundation pit supporting structure can adapt to foundation pit walls with different angles, and the foundation pit supporting structure is worthy of being popularized vigorously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an assembled excavation supporting construction, includes first backplate (1) and second backplate (20), its characterized in that: the top middle parts of the first supporting plate (1) and the second supporting plate (20) are fixedly connected with an installation block (2), the inner sides of the installation block (2) are connected with a threaded sleeve (8) through a rotating shaft in a rotating mode, the threaded sleeve (8) is connected to the two ends of the double-end screw (3) in a threaded mode, fixing seats (11) are arranged on the two sides of one end of the first supporting plate (1), inserting rods (16) are connected to the front ends of the fixing seats (11) in a rotating mode, working grooves (13) are arranged inside the inserting rods (16), second connecting rods (12) are connected to the two sides of the rear ends of the working grooves (13) in a rotating mode, first connecting rods (10) are connected to the front ends of the second connecting rods (12) in a rotating mode, the front ends of the first connecting rods (10) are connected to the two sides of the rear ends of the threaded rods (14) in a rotating mode, rotating pieces (15) are connected to the inside of the front ends of the inserting rods (16) in a rotating mode, the equal fixedly connected with stop nut (9) of front end of rotating piece (15), the periphery of inserted bar (16) all is connected with sleeve (6) through jack (7), the equal fixed connection of sleeve (6) is in the one end both sides that first backplate (1) are close to in second backplate (20).

2. An assembled foundation pit supporting construction according to claim 1, wherein: the middle periphery of the double-end screw rod (3) is provided with a handle (4).

3. An assembled foundation pit supporting construction according to claim 1, wherein: the threaded rods (14) are arranged in the middle of the inserting rod (16) in a sliding mode.

4. An assembled foundation pit supporting construction according to claim 1, wherein: the limiting nuts (9) are all in threaded connection with the periphery of the threaded rod (14).

5. An assembled foundation pit supporting construction according to claim 1, wherein: the roof and the diapire of sleeve (6) rear end all are provided with fixed slot (5), the internal diameter of fixed slot (5) all is greater than the external diameter of first connecting rod (10) and second connecting rod (12).

6. An assembled foundation pit supporting construction according to claim 1, wherein: the front end of the first supporting plate (1) is provided with a sliding groove (17).

7. An assembled foundation pit supporting construction according to claim 1, wherein: the rear end of the first supporting plate (1) is provided with a sliding block (18).

8. An assembled foundation pit supporting construction according to claim 1, wherein: four corners of the first supporting plate (1) are provided with mounting holes (19).