CN214783978U

CN214783978U - Large-scale deep basal pit supporting construction

Info

Publication number: CN214783978U
Application number: CN202120254046.1U
Authority: CN
Inventors: 朱辰鹏; 余力
Original assignee: Shanghai Xinggeng Foundation Engineering Co ltd
Current assignee: Shanghai Xinggeng Foundation Engineering Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-19
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to a large-scale deep basal pit supporting construction, be in including roof and connection the bottom plate of roof lower surface, be provided with the fixed establishment who is used for PMKD on the bottom plate, be provided with the supporting mechanism who is used for butt wall body lateral wall on the roof, supporting mechanism is including setting up the supporting shoe of roof upper surface, it has the extensible member that can rotate in vertical direction to articulate on the supporting shoe, the backplate that is used for supporting the wall body can be dismantled to the extensible member tip and is connected with, backplate lower fixed surface has the inserted link that can insert in the ground. This application has the effect of the installation of the supporting construction of being convenient for with dismantling.

Description

Large-scale deep basal pit supporting construction

Technical Field

The application relates to the field of building construction, in particular to a large-scale deep foundation pit supporting structure.

Background

With the rapid advance of urbanization, the development and utilization of underground space are receiving more and more attention. The deep foundation pit engineering mainly comprises design and construction of a deep foundation pit supporting system and earth excavation, and is a system engineering with strong comprehensiveness. The deep foundation pit is a soil pit excavated at a base design position according to the base elevation and the base plane size. The most important in deep foundation pit engineering is the design and construction of a supporting system. Without a reliable supporting system, the excavation of the deep foundation pit inevitably affects adjacent buildings or structures, and even causes accidents of surface collapse, structural collapse and the like in severe cases.

The chinese patent with publication number CN104234058A discloses a deep foundation pit bracing structure, which comprises a bracing member, a bracing counterforce device, a bracing pile end right-angle tray, a bolt and a nut, wherein the bracing member is hinged to the bracing counterforce device through the bolt, the bracing counterforce device enters deep foundation pit soil through static pressure, the bracing member is hinged to the bracing pile end right-angle tray, and the bracing pile end right-angle tray is connected to a rectangular bracing pile end. The diagonal bracing member is made of steel pipes and is connected by a plurality of unit sections through flanges, and a jack is arranged in the middle of the diagonal bracing member, so that the diagonal bracing member can be properly extended or shortened according to needs.

In view of the above-mentioned related technologies, the inventor believes that, when the length of the diagonal brace rod piece needs to be adjusted actually, the rod piece made by flange connection has a problem of complex disassembly and assembly, and the jack is used to increase the working strength, so that the diagonal brace supporting structure for the large deep foundation pit is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the installation of supporting construction and follow the dismantlement, this application provides a large-scale deep basal pit supporting construction.

The application provides a large-scale deep basal pit supporting construction adopts following technical scheme:

the utility model provides a large-scale deep basal pit supporting construction, includes the roof and connects the bottom plate of roof lower surface, be provided with the fixed establishment who is used for PMKD on the bottom plate, be provided with the supporting mechanism who is used for butt wall body lateral wall on the roof, supporting mechanism is including setting up a plurality of supporting shoes of roof upper surface, it is a plurality of articulated on the supporting shoe have the extensible member that is parallel to each other and can rotate in vertical direction, the backplate tip can be dismantled and be connected with the backplate that is used for supporting the wall body, backplate lower fixed surface has the inserted link that can insert in the ground.

Through adopting above-mentioned technical scheme, shift the device to the wall body lateral wall that needs were strutted, make the bottom plate fix subaerial, make the peg graft pole insert the ground end, make the backplate butt at the wall body lateral wall, rotate the extensible member and connect on the backplate, through the length of adjusting the extensible member to make the backplate support tightly at the wall body lateral wall, play the effect of strutting to the wall body.

Optionally, the telescopic part includes a telescopic cylinder rotatably connected to the supporting block, a telescopic rod is arranged in the telescopic cylinder in a penetrating mode, a guide groove penetrating through the side wall of the telescopic cylinder is axially formed in the outer wall of the telescopic cylinder, a guide block slidably clamped in the guide groove is fixed on the outer wall of the telescopic cylinder, and the outer wall of the telescopic cylinder on two sides of the guide block is in threaded connection with sliding cylinders in butt joint with two sides of the guide block.

Through adopting above-mentioned technical scheme, the syntropy rotates two sliding barrel, makes sliding barrel along telescopic cylinder axial motion to drive the guide block along telescopic cylinder axis direction motion, thereby make the telescopic link support tightly on the backplate.

Optionally, a plurality of connecting rods which are connected with the two sliding cylinders, are convenient for the two sliding cylinders to synchronously rotate and drive the telescopic rod to move along the axis relative to the telescopic cylinder are fixed on the sliding cylinder.

Through adopting above-mentioned technical scheme, the setting of connecting rod is convenient for two synchronous rotations that protect a section of thick bamboo, and then is convenient for drive the guide block and moves along the axis direction.

Optionally, be fixed with two pairs of connecting blocks that correspond with the telescopic link on the backplate, the telescopic link tip is located between two connecting blocks of same group, the connecting block is improved level and is seted up and run through two the spread groove of connecting block and telescopic link, wear to be equipped with in the spread groove and connect the telescopic link two bolt between the connecting block.

Through adopting above-mentioned technical scheme, the bolt is pegged graft in the spread groove, is convenient for the telescopic link and the connection and the dismantlement of backplate, makes simultaneously the telescopic link can rotate for the extensible member.

Optionally, the upper surface of the top plate is horizontally provided with a mounting groove parallel to the wall, the mounting groove is rotatably connected with a driving screw, the top plate is connected with a driving motor for driving the driving screw to rotate, the driving screw is opposite in thread rotation direction from the center to two ends, the number of the supporting blocks is two, and the supporting blocks are symmetrically arranged on the driving screw and are in threaded connection with the driving screw.

Through adopting above-mentioned technical scheme, driving motor drives the drive lead screw and rotates, makes the supporting shoe move along the direction of keeping opposite directions or dorsad on the mount table upper surface to the demand that the position is different on the connecting block on the different backplate is satisfied.

Optionally, the fixing mechanism comprises a drill rod which is rotatably connected to the bottom plate and vertically arranged, the drill rod penetrates through the bottom plate, a driven gear is fixed to the upper surface of the bottom plate, a rotating motor is fixed to the lower surface of the top plate, a rotating gear is fixed to an output shaft of the rotating motor, a transmission gear meshed with the rotating gear and the driven gear is rotatably connected to the bottom plate between the rotating gear and the driven gear, and a limiting assembly for preventing the drill rod from moving upwards is arranged at the lower end of the drill rod.

By adopting the technical scheme, the rotating motor drives the rotating gear to rotate, so that the transmission gear meshed with the rotating gear is driven to rotate, the driven gear and the drill rod are driven to rotate, downward positive pressure is applied to the upper surface of the top plate, the drill rod is inserted into the ground in the rotating process, and the device is fixed on the ground.

Optionally, the limiting assembly comprises a limiting cylinder in threaded connection with the drill rod, and a ball abutting against the lower surface of the bottom plate is embedded in the upper end face of the limiting cylinder.

Through adopting above-mentioned technical scheme, the setting of spacing section of thick bamboo prevents that the drilling rod from moving upwards for the bottom plate, and the setting of ball prevents that the spacing section of thick bamboo of drilling rod at the in-process of work from rotating for the drilling rod.

Optionally, the lower surface of the bottom plate is horizontally provided with a plurality of supporting plates sleeved outside the drill rods, the lower surface of each supporting plate is connected with a plurality of universal wheels, a plurality of driving cylinders which are vertically arranged are fixed on the lower surface of the bottom plate, and the lower ends of the connecting rods of the driving cylinders are fixedly connected to the upper surface of the supporting plate.

Through adopting above-mentioned technical scheme, drive actuating cylinder and start, drive backup pad downstream, make universal wheel pair device play the supporting role, the removal of the device of being convenient for.

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

transferring the device to the side wall of the wall body to be supported, inserting the insertion rod into the ground bottom, enabling the guard plate to be abutted against the side wall of the wall body, rotating the motor to drive the drill rod to rotate, enabling the drill rod to be inserted into the ground bottom, rotating the sliding barrel, and adjusting the length of the telescopic piece, so that the guard plate is abutted against the side wall of the wall body;

the driving cylinder is started to enable the supporting plate to move downwards, so that the universal wheel pair device plays a supporting role, and the device is convenient to move.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of a connection structure of the telescopic member according to the embodiment of the present application.

Fig. 3 is a schematic view of a connection structure of a support plate according to an embodiment of the present application.

Description of reference numerals: 1. a top plate; 2. a base plate; 3. a support bar; 4. a guard plate; 5. a plug rod; 6. a support block; 7. a telescopic cylinder; 8. a telescopic rod; 9. a sliding barrel; 10. a guide groove; 11. a guide block; 12. a drive motor; 13. a connecting rod; 14. connecting blocks; 15. connecting grooves; 16. a bolt; 17. mounting grooves; 18. driving a lead screw; 19. a drill stem; 20. a driven gear; 21. rotating the motor; 22. a rotating gear; 23. a transmission gear; 24. a limiting cylinder; 25. a ball bearing; 26. a support plate; 27. a driving cylinder; 28. a universal wheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses large-scale deep basal pit supporting construction. Referring to fig. 1, a large deep foundation pit supporting structure comprises a top plate 1 and a bottom plate 2 connected to the lower surface of the top plate 1 and parallel to the top plate 1, wherein supporting rods 3 with two ends respectively welded to the top plate 1 and the bottom plate 2 are vertically fixed on the upper surface of the bottom plate 2, and a supporting mechanism used for abutting against the side wall of a wall body is arranged on the top plate 1.

Referring to fig. 2 and 3, the supporting mechanism includes a guard plate 4 abutted against the sidewall of the wall, an inserting rod 5 which is vertically arranged and can be inserted into the ground is welded at the lower end of the guard plate 4, two supporting blocks 6 are arranged on the supporting plate 26, the supporting blocks 6 are rotatably connected with mutually parallel telescopic pieces, one end of each telescopic piece is rotatably connected onto the supporting block 6, and the other end of each telescopic piece is rotatably connected onto the guard plate 4. The extensible member includes that the tip rotates the telescopic cylinder 7 of connection on supporting shoe 6, wear to be equipped with telescopic link 8 in telescopic cylinder 7, the guide way 10 that runs through telescopic cylinder 7 lateral wall is seted up along the axial to the 7 outer walls of telescopic cylinder, 8 outer wall welding at telescopic link has the guide block 11 of joint in corresponding guide way 10 that slides, 7 outer wall threaded connection of telescopic cylinder in guide block 11 both sides have the butt at the section of thick bamboo 9 that slides of guide block 11 both sides, 9 outer wall welding at the section of thick bamboo that slides has a plurality of connecting rods 13 of connecting two sections of thick bamboo 9 that slide, connecting rod 13 does not contact with guide block 11. The staff can rotate the section of thick bamboo 9 that slides, makes the section of thick bamboo 9 that slides along the motion of telescopic 7 axis to make the guide block 11 that is located between two sections of sliding 9 along axial motion, be used for adjusting the length of extensible member, make telescopic link 8 promote backplate 4 and support tightly at the wall body lateral wall.

Referring to fig. 1 and 2, the end face welding of keeping away from the wall body at backplate 4 has two pairs of connecting blocks 14, two pairs of connecting blocks 14 are located same vertical height, 8 one ends of telescopic link are worn to establish in telescopic cylinder 7, the other end is located between two connecting blocks 14 of same group, connecting groove 15 that runs through two connecting blocks 14 and telescopic link 8 is seted up to the level on connecting block 14, wear to be equipped with bolt 16 in connecting groove 15, bolt 16 rotates telescopic link 8 and connects between two connecting blocks 14, make the connecting rod can rotate in vertical direction for bolt 16.

Referring to fig. 1 and 2, a mounting groove 17 parallel to a wall body is horizontally arranged on the upper surface of a support plate 26, a driving screw 18 horizontally arranged is rotatably connected in the mounting groove 17, a driving motor 12 is fixed on the side wall of a top plate 1 along the length direction of the mounting groove 17 through a bolt, an output shaft of the driving motor 12 is coaxially fixed on the driving screw 18, threads on the outer wall of the driving screw 18 are oppositely screwed from the center to two ends, two support blocks 6 are in threaded connection on the driving screw 18 and symmetrically arranged on the screw, the driving screw 18 rotates to enable the two support blocks 6 to move towards directions close to or away from each other, and further, the distance between the two support blocks 6 is adjusted according to the position of a connecting block 14 on a guard plate 4.

Referring to fig. 1 and 2, a fixing mechanism for preventing the device from moving is arranged on the bottom plate 2, the fixing mechanism comprises a plurality of drill rods 19 vertically penetrating through the upper surface and the lower surface of the bottom plate 2, the drill rods 19 are rotatably connected with the bottom plate 2, driven gears 20 are coaxially welded at the upper ends of the drill rods 19, a rotating motor 21 is fixed at the center of the lower surface of the top plate 1 through a rotating shaft, rotating gears 22 which are coaxially and horizontally arranged are welded on output shafts of the rotating motor 21, and transmission gears 23 which are rotatably connected with the upper surface of the bottom plate 2 between the rotating gears 22 and the driven gears 20 through the rotating shaft and are meshed with the rotating gears 22 and the driven gears 20 simultaneously are arranged on the upper surface of the bottom plate 2. The rotating motor 21 is started to drive the rotating gear 22 to rotate, the transmission gear 23 meshed with the rotating gear 22 drives the driven gear 20 to rotate, further the drill rod 19 is driven to rotate, downward pressure is applied to the top plate 1, and the drill rod 19 is inserted into the ground bottom in the rotating process, so that the device is fixed.

Referring to fig. 2 and 3, the drill rod 19 is arranged on the base plate 2 in a penetrating manner, a limiting component for preventing the drill rod 19 from moving in the vertical direction relative to the base plate 2 is arranged on the outer wall of the drill rod 19 below the base plate 2, the limiting component comprises a limiting barrel 24 in threaded connection with the drill rod 19, a plurality of balls 25 are embedded in the upper end face of the limiting barrel 24, and the balls 25 abut against the lower surface of the base plate 2. The limiting cylinder 24 is rotated to enable the limiting cylinder 24 to move downwards and separate from the drill rod 19, so that the drill rod 19 is convenient to disassemble and the limiting cylinder 24 moves upwards, the ball 25 abuts against the lower surface of the base plate 2 to prevent the drill rod 19 from moving in the vertical direction, and meanwhile, in the rotating process of the drill rod 19, the limiting cylinder 24 can be prevented from rotating relative to the drill rod 19 due to the arrangement of the ball 25.

Referring to fig. 2 and 3, a support plate 26 parallel to the bottom plate 2 is arranged on the lower surface of the bottom plate 2, the drill rod 19 vertically penetrates through the support plate 26 and can enable the support plate 26 to move axially relative to the drill rod 19, a vertically arranged driving cylinder 27 is fixed on the lower surface of the bottom plate 2 through a bolt, the lower end of a connecting rod 13 of the driving cylinder 27 is welded on the lower surface of the support plate 26 and can push the support plate 26 to move in the vertical direction, and a plurality of universal wheels 28 which are convenient for the device to move are fixed on the lower surface of the support plate 26 through screws.

The implementation principle of the large-scale deep foundation pit supporting structure in the embodiment of the application is as follows: drive actuating cylinder 27 and start, make backup pad 26 downstream, universal wheel 28 plays supporting role to the device, shift the device to the wall body lateral wall that needs to be strutted, make grafting pole 5 insert the ground end, make backplate 4 butt at the wall body lateral wall, drive actuating cylinder 27 and start, make the drilling rod 19 butt subaerial, rotation motor 21 drives the drilling rod 19 and rotates, exert positive pressure on roof 1, make drilling rod 19 insert the ground end, rotate sliding barrel 9, adjust the length of extensible member, thereby make backplate 4 butt at the wall body lateral wall tightly.

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 large-scale deep basal pit supporting construction which characterized in that: including roof (1) and connection bottom plate (2) of roof (1) lower surface, be provided with the fixed establishment who is used for PMKD (2) on bottom plate (2), be provided with the supporting mechanism who is used for butt wall body lateral wall on roof (1), supporting mechanism is including setting up a plurality of supporting shoe (6) of roof (1) upper surface are a plurality of articulated on supporting shoe (6) have the extensible member that is parallel to each other and can rotate in vertical direction, extensible member tip can be dismantled and be connected with backplate (4) that are used for supporting the wall body, backplate (4) lower fixed surface has insertion rod (5) that can insert in the ground.

2. A large deep foundation pit supporting structure according to claim 1, wherein: the telescopic piece is connected including rotating telescopic cylinder (7) on supporting shoe (6), wear to be equipped with telescopic link (8) in telescopic cylinder (7), telescopic cylinder (7) outer wall is seted up along the axial and is run through guide way (10) of telescopic cylinder (7) lateral wall, telescopic link (8) outer wall is fixed with the joint that slides and is in guide block (11) in guide way (10), telescopic cylinder (7) outer wall threaded connection of guide block (11) both sides has the butt to be in slide section of thick bamboo (9) of guide block (11) both sides.

3. A large deep foundation pit supporting structure according to claim 2, wherein: and a plurality of connecting rods (13) which are connected with the two sliding cylinders (9), are convenient for the two sliding cylinders (9) to synchronously rotate and drive the telescopic rod (8) to move along the axis relative to the telescopic cylinder (7) are fixed on the sliding cylinders (9).

4. A large deep foundation pit supporting structure according to claim 3, wherein: be fixed with two pairs of connecting blocks (14) that correspond with telescopic link (8) on backplate (4), telescopic link (8) tip is located between two connecting blocks (14) of same set of, connecting block (14) are improved level and have been seted up and run through two connecting groove (15) of connecting block (14) and telescopic link (8), wear to be equipped with in connecting groove (15) and connect telescopic link (8) two bolt (16) between connecting block (14).

5. A large deep foundation pit supporting structure according to claim 1, wherein: the wall-mounted water-cooled water heater is characterized in that an installation groove (17) parallel to a wall body is horizontally arranged on the upper surface of the top plate (1), a driving screw rod (18) is connected in the installation groove (17) in a rotating mode, a driving motor (12) enabling the driving screw rod (18) to rotate is connected to the top plate (1), the driving screw rod (18) is opposite in thread rotating direction from the center to two ends, the number of the supporting blocks (6) is two, and the supporting blocks (6) are symmetrically arranged on the driving screw rod (18) and are in threaded connection with the driving screw rod (18).

6. A large deep foundation pit supporting structure according to claim 1, wherein: the fixing mechanism is connected including rotating drilling rod (19) that is vertical setting on bottom plate (2), drilling rod (19) run through bottom plate (2) and bottom plate (2) upper surface fixed has driven gear (20), roof (1) lower fixed surface has rotation motor (21), be fixed with rotating gear (22) on rotating motor (21) output shaft, rotating gear (22) with rotate on bottom plate (2) between driven gear (20) and be connected with drive gear (23) that mesh in rotating gear (22) and driven gear (20), drilling rod (19) lower extreme is provided with the prevention drilling rod (19) upward movement's spacing subassembly.

7. A large deep foundation pit supporting structure according to claim 6, wherein: the limiting assembly comprises a limiting barrel (24) which is in threaded connection with the drill rod (19), and a ball (25) which is abutted to the lower surface of the bottom plate (2) is embedded in the upper end face of the limiting barrel (24).

8. A large deep foundation pit supporting structure according to claim 7, wherein: the drilling rod drilling machine is characterized in that a supporting plate (26) sleeved outside the drilling rods (19) is horizontally arranged on the lower surface of the base plate (2), a plurality of universal wheels (28) are connected to the lower surface of the supporting plate (26), a plurality of driving cylinders (27) which are vertically arranged are fixed on the lower surface of the base plate (2), and the lower ends of connecting rods of the driving cylinders (27) are fixedly connected to the upper surface of the supporting plate (26).