CN213709568U

CN213709568U - Deep foundation pit supporting device with adaptability adjusting function for subway construction

Info

Publication number: CN213709568U
Application number: CN202022628188.8U
Authority: CN
Inventors: 王剑
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-14
Filing date: 2020-11-14
Publication date: 2021-07-16
Anticipated expiration: 2030-11-14

Abstract

The utility model discloses a deep basal pit supporting device is used in subway construction with adaptability regulatory function, including the deep basal pit body, supporting plate, fixed frame and supporting construction, the concrete placement layer has been pour to deep basal pit body bottom, and fixed mounting has the clamp plate on the concrete placement layer, installs the lower extreme body of rod of lead screw through the bearing in the middle of the clamp plate simultaneously to the body of rod passes roof and runner fixed connection through the bearing on the lead screw, installs work piece and lower work piece on the lead screw respectively, prop up the backplate left side and install the atress board, and set up flutedly on the atress board side, work piece tip and articulated piece fixed connection down. This deep basal pit supporting device is used in subway construction with adaptability regulatory function, the atress board extrudees the supporting plate, supports fixedly through two sets of transfer lines on the atress board terminal surface for the atress of atress board terminal surface is even, and the atress board can not take place the slope with the supporting plate when contradicting the deep basal pit body.

Description

Deep foundation pit supporting device with adaptability adjusting function for subway construction

Technical Field

The utility model relates to a deep basal pit technical field specifically is a deep basal pit supporting device is used in subway construction with adaptability regulatory function.

Background

With the continuous acceleration of urbanization construction, the development of urban subways is faster and faster; in order to solve the urban congestion, the nation vigorously develops urban subways, and in urban subway construction, the construction of the subways is not only simple as construction, but also needs to overcome many problems in the construction process; in the construction process, a plurality of foundation pits and parts which need a large amount of concrete are excavated, and the important positions have important positions in the construction process, so that the foundation pits need to be supported after being excavated.

The foundation pit support is generally made of cast-in-situ bored piles, and horizontal reinforced concrete supports are arranged in the pits, so that the rigidity and stability of a foundation pit support structure are improved, the deformation of the foundation pit is controlled, the accidents of the foundation pit are greatly reduced, the progress of the foundation pit construction is increased by the construction, maintenance, support replacement and removal of the concrete supports, the construction cost is increased, and the existing concrete cast-in-situ pile support structure generally has gaps during the support, so that the foundation pit cannot be protected when small-area collapse occurs, and soil and slag blocks are easy to fall off to injure workers; in order to solve the above-mentioned defects, the prior art discloses (application number: CN201922169834.6) a deep foundation pit supporting device, wherein "a first supporting plate 21 is installed at two ends of a horizontal cross bar 10 and a fixed supporting column," a second supporting plate 6 is installed at the upper end of the first supporting plate 21, a third supporting plate 5 is installed at the upper end of the second supporting plate 6, "a fourth supporting plate 3 is installed at the top end of the third supporting plate 5," four "supporting plates 3 are installed, the first supporting plate 21, the second supporting plate 6, the third supporting plate 5 and the fourth supporting plate 3 are connected and fixed by a rivet 4, the supporting plates are installed and combined to protect a deep foundation pit body 1 and prevent collapse, supporting plates 16 are installed at the central points of one side of four side walls of the fourth supporting plate 3, four first connectors 22 are installed on the supporting plates, and first fixing bolts 19 are installed on the first connectors 22, specifically, the first fixing bolts 19 are respectively provided with a first connector 22 which is respectively connected with the first support rod 11 and the second support rod 20 through the first fixing bolts 19, and the support rods are arranged to play a role in the stability of the construction of the deep foundation pit body 1; "the bracing piece 11 supports the operation to first backplate 21 for four groups of backplate firmly hug closely on the interior table wall of deep basal pit body 1, bracing piece 11 single-point atress on first backplate 21 makes the upper portion of first backplate 21 can hug closely on the interior table wall of deep basal pit body 1, but the lower part of first backplate 21 then can't hug closely on the interior table wall of deep basal pit body 1, first backplate 21 stability is not enough when strutting, takes place the slope easily.

Therefore, the deep foundation pit supporting device with the adaptive adjusting function for subway construction is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deep basal pit supporting device is used in subway construction with adaptability regulatory function to solve the defect that mentions in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a deep basal pit supporting device is used in subway construction with adaptability regulatory function, includes the deep basal pit body, supporting plate, fixed frame and supporting construction, concrete placement layer has been pour to deep basal pit body bottom, and fixed mounting has the clamp plate on the concrete placement layer, installs the lower extreme body of rod of lead screw through the bearing in the middle of the clamp plate simultaneously to the body of rod passes roof and runner fixed connection through the bearing on the lead screw, installs work piece and lower work piece on the lead screw respectively, the atress board is installed in supporting plate left side, and sets up flutedly on the atress board side, work piece tip and articulated piece fixed connection down, and articulated piece is articulated with the one end of transfer line, and the other end and the atress board of transfer line are articulated fixed simultaneously.

Preferably, a guide rod is fixedly mounted on the supporting and protecting plate, the end part of the guide rod penetrates through the stress plate and is fixedly connected with the limiting plate, a buffer spring is sleeved on the guide rod, and the buffer spring is arranged between the supporting and protecting plate and the stress plate.

Preferably, the supporting and protecting plate and the stress plate are consistent in length, the end part of the supporting and protecting plate is arranged in an arc shape, and meanwhile, the stress plate, the two groups of transmission rods and the screw rod are combined together to form a parallelogram.

Preferably, all seted up the spiro union hole on four groups of lateral walls of fixed frame, and the spiro union of locking bolt is inside the spiro union hole, and the tip of locking bolt is contradicted in the inside of recess simultaneously, sets up the spacing groove with transfer line size looks adaptation on the lateral wall.

Preferably, the lower working block and the upper working block are rectangular structures made of metal materials, the lower working block and the upper working block are all in threaded connection on the screw rod, and the lower working block and the upper working block are in synchronous and equidirectional moving structures.

Preferably, the four side surfaces of the lower working block and the four side surfaces of the upper working block are fixedly provided with hinged blocks, the hinged blocks are in transmission connection with the stress plate through transmission rods, and the transmission rods on the lower working block and the transmission rods on the upper working block are in parallel relation.

Preferably, the supporting structure is uniformly arranged into four groups which are abutted against four side faces of the deep foundation pit body, and the supporting structure consists of a supporting and protecting plate, a stress plate and a transmission rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the stress plate extrudes the supporting plate, and the end face of the stress plate is supported and fixed through the two groups of transmission rods, so that the end face of the stress plate is uniformly stressed, and the stress plate and the supporting plate cannot incline when colliding with each other to the deep foundation pit body;

2. the locking bolt is rotated, so that the end part of the locking bolt is tightly propped against the inside of the groove, the stability of the supporting plate and the stress plate in the static state is ensured, and the small-area collapse of the deep foundation pit body is avoided, and the condition that workers are injured by smashing is avoided.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a top view of the structure of FIG. 1;

fig. 3 is a side view of the fixing frame of the structure of the present invention;

fig. 4 is a top view of the fixing frame of the present invention.

Reference numbers in the figures: 1. a deep basal pit body; 2. supporting the guard plate; 3. a stress plate; 4. a groove; 5. locking the bolt; 6. a side wall; 7. a buffer spring; 8. a guide bar; 9. a transmission rod; 10. a fixing frame; 11. a hinged block; 12. a screw rod; 13. a lower working block; 14. pouring a concrete layer; 15. pressing a plate; 16. a limiting groove; 17. screwing holes; 18. a support structure; 19. a top plate; 20. a rotating wheel; 21. and (4) an upper working block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a deep foundation pit supporting device with an adaptive adjusting function for subway construction comprises a deep foundation pit body 1, a supporting and protecting plate 2, a fixing frame 10 and a supporting structure 18, wherein a concrete pouring layer 14 is poured at the bottom of the deep foundation pit body 1, a pressing plate 15 is fixedly installed on the concrete pouring layer 14, a lower end rod body of a screw rod 12 is installed in the middle of the pressing plate 15 through a bearing, the upper end rod body of the screw rod 12 penetrates through a top plate 19 through the bearing to be fixedly connected with a rotating wheel 20, an upper working block 21 and a lower working block 13 are respectively installed on the screw rod 12, the lower working block 13 and the upper working block 21 are both rectangular structures made of metal materials, the lower working block 13 and the upper working block 21 are both screwed on the screw rod 12, and the lower working block 13 and the upper working block 21 are of synchronous and homodromous structures; the left side of the supporting and protecting plate 2 is provided with a stress plate 3, the side surface of the stress plate 3 is provided with a groove 4, the end part of a lower working block 13 is fixedly connected with a hinge block 11, the hinge block 11 is hinged with one end of a transmission rod 9, and the other end of the transmission rod 9 is hinged and fixed with the stress plate 3; a guide rod 8 is fixedly installed on the supporting and protecting plate 2, the end part of the guide rod 8 penetrates through the stress plate 3 to be fixedly connected with the limiting plate, a buffer spring 7 is sleeved on the guide rod 8, and the buffer spring 7 is arranged between the supporting and protecting plate 2 and the stress plate 3; the supporting and protecting plate 2 and the stress plate 3 are consistent in length, the end part of the supporting and protecting plate 2 is arranged in an arc shape, and meanwhile, the stress plate 3, the two groups of transmission rods 9 and the screw rod 12 are combined together to form a parallelogram; screw holes 17 are formed in four groups of side walls 6 of the fixing frame 10, the locking bolts 5 are screwed in the screw holes 17, the end parts of the locking bolts 5 abut against the inside of the groove 4, and the side walls 6 are provided with limiting grooves 16 matched with the transmission rod 9 in size; the four side surfaces of the lower working block 13 and the upper working block 21 are fixedly provided with hinged blocks 11, the hinged blocks 11 are in transmission connection with the stress plate 3 through transmission rods 9, and the transmission rods 9 on the lower working block 13 are in parallel relation with the transmission rods 9 on the upper working block 21; the supporting structures 18 are evenly arranged into four groups and are abutted against four side faces of the deep foundation pit body 1, and the supporting structures 18 are composed of three parts, namely supporting plates 2, stress plates 3 and transmission rods 9.

As shown in fig. 1-2: all install transfer line 9 on the four group's panels of lower work piece 13 and last work piece 21, two sets of transfer line 9 tip supports on atress board 3, atress board 3 extrudees backplate 2, it is fixed to support through two sets of transfer lines 9 on the 3 terminal surfaces of atress board, make the atress of 3 terminal surfaces of atress board even, atress board 3 and backplate 2 are when contradicting deep basal pit body 1, can not take place the slope, atress board 3 carries out driven when backplate 2, the backplate 2 at first contacts with the inner wall of deep basal pit body 1, atress board 3 compresses buffer spring 7 above that this moment, can cushion the pressure that atress board 3 was exerted.

As shown in fig. 1: when the supporting plate 2 supports the inner wall of the deep foundation pit body 1 tightly, the locking bolt 5 is rotated, so that the end part of the locking bolt 5 supports the inside of the groove 4 tightly, the stability of the supporting plate 2 and the stress plate 3 in the static state is ensured, and the small-area collapse of the deep foundation pit body 1 is avoided, and the condition that a worker is injured by a crashing object is caused.

The working principle is as follows: when the subway construction deep foundation pit supporting device with the adaptability adjusting function is used, the rotating wheel 20 is rotated, the rotating wheel 20 drives the screw rod 12 to rotate, the screw rod 12 rotates to drive the upper working block 21 and the lower working block 13 to synchronously move upwards, so that the included angle between the transmission rod 9 and the screw rod 12 is increased, the stress plate 3 moves rightwards, the supporting plate 2 moves rightwards at the moment, the supporting plate 2 tightly supports the inner wall of the deep foundation pit body 1, the four groups of supporting plates 2 are abutted against the side surface of the deep foundation pit body 1, the deep foundation pit bodies 1 with different inclination degrees can be adjusted and protected, and meanwhile, the situation that workers are injured by smashing due to small-area collapse of the deep foundation pit body 1 can be avoided; the whole process of the subway construction deep foundation pit supporting device with the adaptability adjusting function is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a deep basal pit supporting device is used in subway construction with adaptability regulatory function, includes deep basal pit body (1), supporting plate (2), fixed frame (10) and supporting construction (18), its characterized in that: concrete placement layer (14) have been pour to deep basal pit body (1) bottom, and fixed mounting has clamp plate (15) on concrete placement layer (14), and the lower extreme body of rod of lead screw (12) is installed through the bearing in the middle of clamp plate (15) simultaneously, and the body of rod passes roof (19) and runner (20) fixed connection through the bearing on lead screw (12), installs work piece (21) and lower work piece (13) on lead screw (12) respectively, atress board (3) are installed in backplate (2) left side, and offer fluted (4) on atress board (3) side, work piece (13) tip and articulated piece (11) fixed connection down, and articulated piece (11) are articulated with the one end of transfer line (9), and the other end and the atress board (3) of transfer line (9) are articulated fixed simultaneously.

2. The deep foundation pit supporting device with the adaptability adjusting function for subway construction according to claim 1, characterized in that: a guide rod (8) is fixedly mounted on the supporting plate (2), the end part of the guide rod (8) penetrates through the stress plate (3) and is fixedly connected with the limiting plate, a buffer spring (7) is sleeved on the guide rod (8), and the buffer spring (7) is arranged between the supporting plate (2) and the stress plate (3).

3. The deep foundation pit supporting device with the adaptability adjusting function for subway construction according to claim 1, characterized in that: the length of the supporting plate (2) is consistent with that of the stress plate (3), the end part of the supporting plate (2) is arc-shaped, and meanwhile, the stress plate (3), the two groups of transmission rods (9) and the screw rod (12) are combined together to form a parallelogram.

4. The deep foundation pit supporting device with the adaptability adjusting function for subway construction according to claim 1, characterized in that: all seted up spiro union hole (17) on four groups lateral wall (6) of fixed frame (10), and inside locking bolt (5) spiro union hole (17), the tip of locking bolt (5) is contradicted in the inside of recess (4) simultaneously, offers spacing groove (16) with transfer line (9) size looks adaptation on lateral wall (6).

5. The deep foundation pit supporting device with the adaptability adjusting function for subway construction according to claim 1, characterized in that: the lower working block (13) and the upper working block (21) are both rectangular structures made of metal materials, the lower working block (13) and the upper working block (21) are both screwed on the screw rod (12), and the lower working block (13) and the upper working block (21) are in synchronous and homodromous moving structures.

6. The deep foundation pit supporting device with the adaptability adjusting function for subway construction according to claim 1, characterized in that: all fixed mounting has articulated piece (11) on four sides of lower work piece (13) and last work piece (21), and articulated piece (11) are connected with atress board (3) transmission through transfer line (9), and transfer line (9) on lower work piece (13) and transfer line (9) on last work piece (21) are parallel relation.

7. The deep foundation pit supporting device with the adaptability adjusting function for subway construction according to claim 1, characterized in that: the supporting structure (18) is evenly arranged into four groups which are butted against four side faces of the deep foundation pit body (1), and the supporting structure (18) is composed of a supporting plate (2), a stress plate (3) and a transmission rod (9).