CN218375747U

CN218375747U - Deep foundation pit enclosure structure

Info

Publication number: CN218375747U
Application number: CN202222633493.5U
Authority: CN
Inventors: 易小军; 金雨轩; 刘志强; 刘长武
Original assignee: Hunan Huawei Hydropower Engineering Co ltd
Current assignee: Hunan Huawei Hydropower Engineering Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-24
Anticipated expiration: 2032-10-08

Abstract

The utility model relates to a deep basal pit retaining structure relates to the construction field, deep basal pit retaining structure include the backup pad and with the guardrail board that the backup pad is connected, the backup pad is kept away from the one end of guardrail board is connected with the supporting seat, sliding connection has sharp awl piece in the backup pad, be provided with in the backup pad and be used for the drive the gliding driving piece of sharp awl piece. The application makes the installation and the dismantlement of envelope simple and convenient, reduces the work load in the envelope dismouting process.

Description

Deep foundation pit enclosure structure

Technical Field

The application relates to the field of building construction, in particular to a deep foundation pit support structure.

Background

With the continuous development of urban construction, deep foundation pit construction projects such as subways, high-rise residences, office buildings and the like are more and more. The deep foundation pit refers to an engineering with the excavation depth of not less than 5 meters, or the excavation depth of not more than 5 meters, but the geological conditions, the surrounding environment and underground pipelines are particularly complicated. The deep foundation pit engineering mainly comprises foundation pit supporting system design, construction and earthwork excavation, requires close cooperation of geotechnical engineering and structural engineering technicians, and is a system engineering with strong comprehensiveness.

In deep foundation pit engineering, an earthwork excavation process is usually performed firstly, wherein soil and rocks need to be loosened, crushed, excavated and transported out in the earthwork excavation process; and after the earthwork excavation process is finished, construction is carried out. Because the earthwork excavation and the construction stage of deep foundation pit engineering, the soil quality on the ground around the deep foundation pit engineering is mostly soft, in order to avoid that external personnel step on the deep foundation pit engineering site, the soil drops into the deep foundation pit carelessly, a plurality of safety fence guardrails need to be established around the deep foundation pit engineering, the deep foundation pit is surrounded by splicing of the plurality of safety fence guardrails, and therefore the external personnel are warned, and accidents are avoided.

Safety fence commonly used in deep foundation pit engineering comprises two montants, a plurality of horizontal poles and supporting seat, wherein a plurality of horizontal poles evenly distributed between two montants and with montant fixed connection, the supporting seat sets up in the montant bottom and with ground contact, supports montant and horizontal pole through the supporting seat. In order to improve the stability of safety fence, often set up the bolt on the supporting seat among the prior art, the supporting seat passes through the bolt to be connected with ground to be fixed in safety fence installation subaerial. However, when the supporting seat is connected with the ground through the bolt, an operator needs to place the bolt in the threaded hole formed in the supporting seat and then screw down the bolts one by one, so that the installation and fixation of the safety fence are completed, and the operation is complicated; and, because the foundation ditch excavation is interim engineering, after the foundation ditch excavation engineering, dismantle safety enclosure guardrail and just become a major engineering, operating personnel need rotate a plurality of bolts one by one to bolt and supporting seat separation for safety enclosure guardrail and ground separation, thereby accomplish safety enclosure guardrail's dismantlement work, the dismantlement process is loaded down with trivial details and work load is great.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the safety protective guard dismounting process used in the deep foundation pit engineering is complex and inconvenient, the application provides a deep foundation pit support structure.

The application provides a deep basal pit envelope adopts following technical scheme:

the utility model provides a deep basal pit retaining structure, including the backup pad and with the guardrail board that the backup pad is connected, the backup pad is kept away from the one end of guardrail board is connected with the supporting seat, sliding connection has sharp awl piece in the backup pad, be provided with in the backup pad and be used for the drive the gliding driving piece of sharp awl piece.

By adopting the technical scheme, when the enclosure structure needs to be installed around the deep foundation pit, the supporting seat is placed on the ground, the supporting plate and the guardrail plate are supported by the supporting seat, and the pointed cone block is driven by the driving piece to slide to be inserted into the ground, so that the enclosure structure is fixed on the ground, and the installation work of the enclosure structure is completed; after the deep foundation pit engineering is finished, the pointed cone block is driven by the driving piece to slide along the direction far away from the ground until the pointed cone block is separated from the ground, and at the moment, the enclosure structure can be separated from the ground, so that the disassembly work of the enclosure structure is finished; through the process, the installation and the disassembly of the enclosure structure are simple and convenient, and the workload in the disassembly and assembly process of the enclosure structure is reduced.

Optionally, the driving part comprises a screw rod rotatably connected with the support plate, and the pointed cone block is in threaded connection with the screw rod; the supporting plate is provided with a limiting cylinder for preventing the pointed cone block from rotating.

By adopting the technical scheme, when the pointed cone block is not inserted into the ground, the pointed cone block is positioned in the limiting cylinder, the limiting cylinder is a square barrel, the inner side wall of the limiting cylinder is attached to the outer side wall of the pointed cone block, and the pointed cone block can move by rotating the screw rod; meanwhile, the limiting cylinder can also play a role in protection, and the pointed cone block is moved into the limiting cylinder before and after the building envelope is installed and disassembled, so that the pointed cone block is prevented from being exposed outside, an operator can mistakenly touch the tip part of the pointed cone block, and the pointed cone block can mistakenly injure the operator.

Optionally, the screw rod is coaxially and fixedly connected with a driven bevel gear, the supporting plate is rotatably connected with a linkage rod, and the linkage rod is coaxially and fixedly connected with a first linkage bevel gear meshed with the driven bevel gear.

Furthermore, a driving rod is rotatably connected to the supporting plate, a second linkage bevel gear is coaxially and fixedly connected to the linkage rod, and a driving bevel gear meshed with the second linkage bevel gear is coaxially and fixedly connected to the driving rod.

Furthermore, the two ends of the linkage rod are provided with thread sections, one end of the linkage rod is in threaded connection with a sleeve, and the linkage rod is connected with the other linkage rod through the sleeve.

By adopting the technical scheme, the linkage rods in different building enclosures can be connected through the sleeves, so that the assembly of a plurality of building enclosures is realized; when a driving rod in the building envelope is rotated, the driving bevel gear is driven to rotate by the rotation of the driving rod, and the second linkage bevel gear is driven to rotate by the rotation of the driving bevel gear, so that the linkage rod rotates; when the linkage rods in one enclosure structure rotate, the linkage rods spliced together synchronously rotate, so that the screw rods in the plurality of enclosure structures rotate, and the installation work of the plurality of enclosure structures is further realized; the disassembly process is the same, the convenience in the installation and disassembly processes of the large-area building enclosure is further improved, operators do not need to install the single building enclosure one by one, and the operation is time-saving and labor-saving.

Optionally, the guardrail plate comprises two support rods connected with the support plate, an adjusting rod is hinged to the support rods, a baffle is arranged on the support rods, and when the adjusting rod rotates to abut against the baffle, the adjusting rod is parallel to the support rods; the adjusting rod is connected with a movable rod in a sliding manner; the movable rod with bracing piece sliding connection, it has flexible grid to articulate on the movable rod, flexible grid with the backup pad is articulated, be provided with on the regulation pole and be used for fixing the locating part of movable rod position.

By adopting the technical scheme, the telescopic grid can be compressed by sliding the movable rod to the position where the movable rod is positioned on the support rod, and the adjusting rod is rotated to the position where the adjusting rod is attached to the movable rod, so that the guardrail plate can be contracted, and the area of the enclosure structure is reduced; when the guardrail plate is in a contracted state, the adjusting rod is rotated along the direction far away from the supporting rod, when the adjusting rod is rotated to abut against the baffle, the adjusting rod is parallel to the supporting rod, the movable rod is fixed in position through the limiting piece when the movable rod is slid to the end part of the adjusting rod, and the telescopic grid is stretched, so that the area of the guardrail plate is increased; when the enclosure structure is mounted and dismounted, the guardrail plate can be contracted, and after the guardrail plate is contracted, an operator can conveniently mount and dismount the enclosure structure; before the installation and after the dismantlement, shrink the guardrail board and also be convenient for operating personnel carries envelope, the shared space when still reducible envelope is placed simultaneously.

Optionally, the limiting member includes a limiting hole formed at an end of the adjusting rod, the movable rod includes two cross rods slidably connected to the adjusting rod, and a spring is connected between the two cross rods; the cross rod is hinged with the telescopic grating and is connected with the supporting rod in a sliding mode.

Through adopting above-mentioned technical scheme, when the horizontal pole slided on adjusting the pole, the spring was in compression state, and when the horizontal pole slided to spacing hole department, the spring promoted the horizontal pole lateral shifting to horizontal pole one end insert spacing hole to be fixed in the position of horizontal pole on adjusting the pole.

Optionally, the length of the supporting rod is smaller than that of the adjusting rod.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the enclosure structure needs to be installed around a deep foundation pit, the supporting seat is placed on the ground, the supporting plate and the guardrail plate are supported through the supporting seat, the driving piece drives the pointed cone block to slide until the pointed cone block is inserted into the ground, so that the enclosure structure is fixed on the ground, and the installation work of the enclosure structure is completed; after the deep foundation pit engineering is finished, the driving piece drives the pointed cone block to slide along the direction far away from the ground until the pointed cone block is separated from the ground, and at the moment, the enclosure structure can be separated from the ground, so that the disassembly work of the enclosure structure is finished; through the process, the installation and the disassembly of the enclosure structure are simple and convenient, and the workload in the disassembly and the assembly process of the enclosure structure is reduced;

2. when the pointed cone block is not inserted into the ground, the pointed cone block is positioned in a limiting cylinder, the limiting cylinder is a square barrel, the inner side wall of the limiting cylinder is attached to the outer side wall of the pointed cone block, and the pointed cone block can move by rotating a screw rod; meanwhile, the limiting cylinder can also play a role in protection, and the pointed cone block is moved into the limiting cylinder before the building envelope is installed and after the building envelope is disassembled, so that the pointed cone block is prevented from being exposed outside, and an operator can mistakenly touch the tip part of the pointed cone block, so that the pointed cone block is mistakenly injured;

3. linkage rods in different building enclosures can be connected through the sleeves, so that the assembly of a plurality of building enclosures is realized; when a driving rod in the building envelope is rotated, the driving bevel gear is driven to rotate by the rotation of the driving rod, and the linkage bevel gear is driven to rotate by the rotation of the driving bevel gear, so that the linkage rod rotates; when the linkage rods in one enclosure structure rotate, the linkage rods spliced together synchronously rotate, so that the screw rods in the plurality of enclosure structures rotate, and the installation work of the plurality of enclosure structures is further realized; the disassembly process is the same, the convenience of the assembly and disassembly process in the large-area building enclosure is further improved, operators do not need to mount the single building enclosure one by one, and the operation is time-saving and labor-saving.

Drawings

Fig. 1 is an overall structural schematic diagram of a deep foundation pit enclosure in embodiment 1 of the present application;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a cross-sectional view of the support plate of FIG. 1;

FIG. 5 is a schematic view showing the connection between the support plate and the support rod of FIG. 1;

fig. 6 is a schematic view of the structure of the adjustment lever of fig. 1.

Description of reference numerals: 1. a support plate; 2. a guardrail plate; 21. a support bar; 22. adjusting a rod; 23. a baffle plate; 24. a limiting hole; 25. a cross bar; 26. a spring; 27. a telescopic grid; 3. a supporting seat; 4. a tapered block; 5. a drive member; 51. a screw rod; 52. a limiting cylinder; 53. a driven bevel gear; 54. a linkage rod; 55. a first linkage bevel gear; 56. a drive rod; 57. a drive bevel gear; 58. a second linkage bevel gear; 6. a sleeve.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses deep basal pit envelope. Referring to fig. 1 and 2, the deep foundation pit support structure comprises a support plate 1 and a guardrail plate 2 connected with the support plate 1, wherein a support seat 3 is installed on one side of the support plate 1; rotate on the backup pad 1 and be connected with lead screw 51, threaded connection has sharp awl piece 4 on the lead screw 51, installs in the backup pad 1 and is used for preventing 4 pivoted spacing section of thick bamboo 52 of sharp awl piece, and spacing section of thick bamboo 52 is square bucket, and the inside wall of spacing section of thick bamboo 52 and the laminating of the lateral wall of sharp awl piece 4, and spacing section of thick bamboo 52, sharp awl piece 4 and supporting seat 3 all are located backup pad 1 and keep away from the one end of guardrail board 2. When the enclosure structure needs to be installed around a deep foundation pit, the supporting seat 3 is placed on the ground, the supporting plate 1 and the guardrail plate 2 are supported through the supporting seat 3, and the screw rod 51 is rotated until the pointed cone block 4 is inserted into the ground, so that the enclosure structure is fixed on the ground, and the installation work of the enclosure structure is completed; after the deep foundation pit engineering is finished, the screw rod 51 is rotated reversely, the pointed cone block 4 slides to be separated from the ground along the direction far away from the ground, and at the moment, the enclosure structure can be separated from the ground, so that the disassembly work of the enclosure structure is finished.

Referring to fig. 2 and 3, a driven bevel gear 53 is coaxially and fixedly connected to the screw rod 51, a linkage rod 54 is rotatably connected to the support plate 1, a first linkage bevel gear 55 is coaxially and fixedly connected to the linkage rod 54, and the first linkage bevel gear 55 is meshed with the driven bevel gear 53; referring to fig. 3 and 4, the linkage rod 54 is coaxially and fixedly connected with a second linkage bevel gear 58, the support plate 1 is rotatably connected with a driving rod 56, the driving rod 56 is coaxially and fixedly connected with a driving bevel gear 57, and the driving bevel gear 57 is meshed with the second linkage bevel gear 58; referring to fig. 2 and 5, two ends of the linkage rod 54 are provided with threaded sections, one end of the linkage rod 54 is in threaded connection with the sleeve 6, and the linkage rod 54 is connected with the linkage rod 54 in the other enclosure structure through the sleeve 6. The linkage rods 54 in different building enclosures can be connected through the sleeve 6, so that the assembly of a plurality of building enclosures is realized; when the driving rod 56 in one building enclosure is rotated, the rotation of the driving rod 56 drives the driving bevel gear 57 to rotate, and the rotation of the driving bevel gear 57 drives the second linkage bevel gear 58 to rotate, so that the linkage rod 54 rotates; when the linkage rods 54 in one building enclosure rotate, the linkage rods 54 spliced together synchronously rotate, so that the screw rods 51 in the multiple building enclosures rotate, and the installation work of the multiple building enclosures is further realized; the disassembling process is the same.

Referring to fig. 2 and 5, the balustrade panel 2 comprises two support rods 21 welded on the support plate 1, wherein the support rods 21 are hinged with an adjusting rod 22, and the length of the support rods 21 is smaller than that of the adjusting rod 22; the support rod 21 is provided with a baffle 23, and when the adjusting rod 22 rotates to abut against the baffle 23, the adjusting rod 22 is parallel to the support rod 21; the adjusting rod 22 is connected with two cross rods 25 in a sliding manner, the cross rods 25 are connected with the supporting rod 21 in a sliding manner, and a spring 26 is connected between the two cross rods 25; referring to fig. 2 and 6, a limiting hole 24 is formed in the adjusting rod 22, a telescopic grid 27 is hinged to the cross rod 25, the telescopic grid 27 is hinged to the supporting plate 1, the cross rod 25 is positioned on the supporting rod 21 through sliding, the telescopic grid 27 can be compressed, the adjusting rod 22 is rotated until the adjusting rod 22 is attached to the cross rod 25, and therefore the guardrail plate 2 can be retracted, and the area of the enclosure structure is reduced; when guardrail board 2 is in the contraction state, adjust pole 22 along the direction rotation of keeping away from bracing piece 21, adjust pole 22 rotate to with baffle 23 butt when, adjust pole 22 and bracing piece 21 parallel, slide horizontal pole 25 this moment, horizontal pole 25 slides on adjusting pole 22 when, spring 26 is in compression state, horizontal pole 25 slides to the spacing hole 24 of adjusting pole 22 tip, spring 26 promotes horizontal pole 25 lateral shifting to horizontal pole 25 one end and inserts spacing hole 24 in, thereby be fixed in on adjusting pole 22 with the position of horizontal pole 25, flexible grid 27 is stretched this moment, increase guardrail board 2's area from this.

The implementation principle of the deep foundation pit support structure in the embodiment of the application is as follows: when the enclosure structure needs to be installed around a deep foundation pit, the supporting seat 3 is placed on the ground, the supporting plate 1 and the guardrail plate 2 are supported through the supporting seat 3, and the screw rod 51 is rotated until the pointed cone block 4 is inserted into the ground, so that the enclosure structure is fixed on the ground, and the installation work of the enclosure structure is completed; when the deep foundation pit engineering is finished, the screw rod 51 is rotated reversely, the pointed cone block 4 slides to be separated from the ground along the direction far away from the ground, and at the moment, the enclosure structure can be separated from the ground, so that the disassembly work of the enclosure structure is finished; through the process, the installation and the disassembly of the enclosure structure are simple and convenient, and the workload in the disassembly and assembly process of the enclosure structure is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a deep basal pit envelope which characterized in that: including backup pad (1) and with guardrail board (2) that backup pad (1) is connected, backup pad (1) is kept away from the one end of guardrail board (2) is connected with supporting seat (3), sliding connection has sharp awl piece (4) on backup pad (1), be provided with on backup pad (1) and be used for the drive sharp awl piece (4) gliding driving piece (5).

2. The deep foundation pit support structure of claim 1, wherein: the driving piece (5) comprises a screw rod (51) which is rotatably connected with the supporting plate (1), and the pointed cone block (4) is in threaded connection with the screw rod (51); and a limiting cylinder (52) for preventing the pointed cone block (4) from rotating is arranged on the supporting plate (1).

3. The deep foundation pit support structure of claim 2, wherein: the lead screw (51) is coaxially and fixedly connected with a driven bevel gear (53), the supporting plate (1) is rotatably connected with a linkage rod (54), and the linkage rod (54) is coaxially and fixedly connected with a first linkage bevel gear (55) meshed with the driven bevel gear (53).

4. The deep foundation pit enclosure structure of claim 3, wherein: the supporting plate (1) is connected with a driving rod (56) in a rotating mode, the linkage rod (54) is connected with a second linkage bevel gear (58) in a coaxial and fixed mode, and the driving bevel gear (57) meshed with the second linkage bevel gear (58) is connected with the driving rod (56) in a coaxial and fixed mode.

5. The deep foundation pit enclosure structure of claim 4, wherein: threaded sections are formed in two ends of the linkage rod (54), a sleeve (6) is connected to one end of the linkage rod (54) in a threaded mode, and the linkage rod (54) is connected with the other linkage rod (54) through the sleeve (6).

6. The deep foundation pit enclosure structure of claim 1, wherein: the guardrail plate (2) comprises two support rods (21) connected with the support plate (1), the support rods (21) are hinged with adjusting rods (22), the support rods (21) are provided with baffles (23), and when the adjusting rods (22) rotate to abut against the baffles (23), the adjusting rods (22) are parallel to the support rods (21); the adjusting rod (22) is connected with a movable rod in a sliding way; the movable rod with bracing piece (21) sliding connection, it has flexible grid (27) to articulate on the movable rod, flexible grid (27) with backup pad (1) is articulated, be provided with on adjusting pole (22) and be used for fixing the locating part of movable rod position.

7. The deep foundation pit enclosure structure of claim 6, wherein: the limiting piece comprises a limiting hole (24) formed in the end part of the adjusting rod (22), the movable rod comprises two cross rods (25) connected with the adjusting rod (22) in a sliding mode, and a spring (26) is connected between the two cross rods (25); the cross rod (25) is hinged to the telescopic grating (27), and the cross rod (25) is connected with the supporting rod (21) in a sliding mode.

8. The deep foundation pit enclosure structure of claim 7, wherein: the length of the support rod (21) is smaller than that of the adjusting rod (22).