CN219992479U - Foundation pit support convenient to dismantle - Google Patents

Abstract

The utility model discloses a foundation pit support convenient to detach, which comprises a bottom plate and a side plate, wherein the side plate is hinged to the top of the bottom plate, one ends of the bottom plate and the side plate are respectively provided with an adjusting groove, the other ends of the bottom plate and the side plate are respectively provided with a fixing groove at the corresponding positions with the adjusting grooves, racks are slidingly connected in the adjusting grooves, the side walls of the adjusting grooves are rotationally connected with gears meshed with the racks, the side walls of the gears are fixedly connected with an upper turntable through the adjusting grooves, the side walls of the racks are fixedly connected with L-shaped pins, and the side walls of the fixing grooves are respectively provided with a limiting groove, and the foundation pit support has the beneficial effects that: when the foundation pit support needs to be disassembled, the positioning pin is pulled outwards to slide out of the positioning hole, the rotation restriction on the upper rotary table is relieved, then the gear is driven to rotate by the upper rotary table, and the meshed racks are driven to slide, so that the L-shaped pin is driven to move downwards to slide out of the limiting groove, the connection between the two foundation pit supports can be quickly removed, and the convenience of the device is improved.

Description

Foundation pit support convenient to dismantle

Technical Field

The utility model relates to the technical field of foundation pit support, in particular to a foundation pit support convenient to detach.

Background

The foundation pit support is used for guaranteeing the safety of underground structure construction and surrounding environment of the foundation pit, retaining, reinforcing and protecting measures are adopted for the side wall of the foundation pit and the surrounding environment, the foundation pit is required to be backfilled after the construction is completed, and the detached foundation pit support structure can be recycled and reused, so that resources are saved.

The utility model discloses a foundation ditch supporting construction for CN218233502U, through setting up first bolt and first nut, be convenient for people dismantle and install the bracing piece, through setting up the spout, be convenient for people dismantle and install slider and movable block, through rotatory first knob, make the kicking block promote the slider at the inside removal of spout, through the bracing piece, promote the curb plate rotation to be convenient for people adjust the angle of bottom plate and curb plate.

But in the in-service use, because connect through a plurality of bolts between the foundation ditch support to when the foundation ditch support is used and is accomplished the back and need dismantle, need the workman to use the instrument to dismantle a plurality of bolts just can dismantle the foundation ditch support, influence the convenience performance of device, thereby reduce the efficiency of construction of device.

Therefore, the foundation pit support convenient to detach is designed and produced so as to solve the problem that the foundation pit support is inconvenient to detach.

Disclosure of Invention

The utility model aims to solve the technical problems: but in the in-service use, because connect through a plurality of bolts between the foundation ditch support to when the foundation ditch support is used and is accomplished the back and need dismantle, need the workman to use the instrument to dismantle a plurality of bolts just can dismantle the foundation ditch support, influence the convenience performance of device, thereby reduce the efficiency of construction of device, consequently propose a foundation ditch support convenient to dismantle.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a foundation ditch support convenient to dismantle, includes bottom plate and curb plate, curb plate hinged joint is at the bottom plate top, the adjustment tank has all been seted up to bottom plate and curb plate one end, the fixed slot has all been seted up to bottom plate and curb plate other end and the corresponding position of adjustment tank, the inside sliding connection of adjustment tank has the rack, the adjustment tank lateral wall rotates and is connected with the gear with rack engaged with, the gear lateral wall all passes adjustment tank fixedly connected with carousel, rack lateral wall fixedly connected with L type round pin, the spacing groove has all been seted up to the fixed slot lateral wall, drives the gear through rotating the carousel and rotates, drives meshed rack and slides thereupon to drive L type round pin downwardly moving roll-off spacing inslot portion, can dismantle the connection between two foundation ditch supports fast, and need not to use the instrument to dismantle a plurality of bolts, improve the convenience of device.

Preferably, the top of the upper rotary table is slidably connected with a positioning pin, a plurality of positioning holes are uniformly formed in the positions of the top of the bottom plate and the side wall of the side plate and correspond to the positioning pin, and the positioning pin is pulled outwards to slide out of the positioning holes, so that the rotation restriction on the upper rotary table can be relieved, and the convenience of the device is improved.

Preferably, a spring is fixedly connected between the locating pin and the upper rotary table, the locating pin is pushed by the elasticity of the spring to move downwards and slide into the locating hole corresponding to the locating pin, the limit on the rotation position of the upper rotary table is realized, and the phenomenon that the rotation of the upper rotary table affects the stability of connection between two foundation pit supports when the upper rotary table is not used is avoided.

Preferably, the logical groove has been seted up at bottom plate top, logical inslot wall rotates and is connected with the threaded rod, threaded rod outer wall threaded connection has the hinge seat, hinged joint has the bracing piece between hinge seat and the curb plate lateral wall, the threaded rod lateral wall passes bottom plate fixedly connected with carousel down, drives the threaded rod through rotating down the carousel and rotates, drives threaded connection's hinge seat and slides thereupon to promote the curb plate to rotate around articulated department with the bottom plate through the bracing piece, thereby be convenient for adjust the inclination of curb plate according to the inclination of foundation ditch, improve the convenience of device.

Preferably, the equal threaded connection in bottom plate top has a pair of screw rod, the storage tank has been seted up to bottom plate bottom and the corresponding position of screw rod, screw rod bottom fixedly connected with spiral ground nail, the curb plate lateral wall and the corresponding position of screw rod have been seted up the roof groove, through rotating the screw rod spiral and moving downwards, drive spiral ground nail spiral along with it and move downwards to screw in ground, realize the support to bottom plate position, promote the bottom plate and take place the position deviation when preventing to adjust curb plate inclination, improve the stability that the device supported.

Compared with the prior art, the utility model has the beneficial effects that: when the foundation pit support needs to be disassembled, the locating pin is pulled outwards to slide out of the locating hole, the rotation limit of the upper rotary table is relieved, then the rotary table is rotated to drive the gear to rotate, and then the engaged rack is driven to slide, so that the L-shaped pin is driven to move downwards to slide out of the limit groove, the connection between the two foundation pit supports can be quickly removed, a plurality of bolts are not required to be disassembled by using a tool, and the convenience of the device is improved.

Drawings

FIG. 1 is a schematic view of a front partial cutaway structure of the foundation pit support of the present utility model in connection;

FIG. 2 is a schematic view of a partial enlarged structure at A of the present utility model;

FIG. 3 is a schematic view of the overall appearance of the foundation pit support of the present utility model;

fig. 4 is a schematic view of the overall appearance structure of the screw of the present utility model.

In the figure: 1. a bottom plate; 2. a side plate; 3. an adjustment tank; 4. a fixing groove; 5. a rack; 6. an L-shaped pin; 7. a gear; 8. an upper turntable; 9. a limit groove; 10. a positioning pin; 11. positioning holes; 12. a spring; 13. a through groove; 14. a threaded rod; 15. a hinge base; 16. a support rod; 17. a lower turntable; 18. a screw; 19. a storage groove; 20. spiral ground nails; 21. and a top groove.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Example 1

Referring to fig. 1-4, the present embodiment provides a foundation pit support convenient to detach, including a bottom plate 1 and a side plate 2, the side plate 2 is hinged to the top of the bottom plate 1, the adjusting grooves 3 are all formed at one ends of the bottom plate 1 and the side plate 2, the fixing grooves 4 are all formed at the other ends of the bottom plate 1 and the side plate 2 and correspond to the adjusting grooves 3, the racks 5 are slidingly connected inside the adjusting grooves 3, the gears 7 meshed with the racks 5 are rotationally connected with the side walls of the adjusting grooves 3, the upper turntable 8 is fixedly connected with the side walls of the gears 7 and penetrates through one side of the adjusting grooves 3, the L-shaped pins 6 are fixedly connected with the side walls of the racks 5, the limiting grooves 9 are all formed at the side walls of the fixing grooves 4, the positioning pins 10 are slidingly connected with the top of the upper turntable 8, a plurality of positioning holes 11 are uniformly formed at the top of the bottom plate 1 and the side walls of the side plate 2 and correspond to the positioning pins 10, and the springs 12 are fixedly connected between the positioning pins 10 and the upper turntable 8;

when the foundation pit supports are required to be connected, the L-shaped pin 6 is inserted into the fixed groove 4 on the side wall of the other foundation pit support, then the positioning pin 10 is pulled outwards to slide out of the positioning hole 11, meanwhile, the spring 12 is extruded, the upper turntable 8 can be rotated to drive the gear 7 to rotate, the meshed rack 5 is driven to slide, the L-shaped pin 6 is driven to move upwards, the top of the L-shaped pin 6 is inserted into the limiting groove 9, finally the positioning pin 10 is loosened, the positioning pin 10 is pushed to be inserted into the corresponding positioning hole 11 by the elastic force of the spring 12, the limitation on the rotating position of the upper turntable 8 is realized, the autorotation of the upper turntable 8 is avoided when the foundation pit support is not used, the stability of the connection between the two foundation pit supports is influenced, and the quick connection between the two foundation pit supports is realized;

when the foundation pit support needs to be disassembled, the positioning pin 10 is pulled outwards to slide out of the positioning hole 11, the rotation limitation of the upper rotary table 8 is relieved, then the gear 7 is driven to rotate by the upper rotary table 8 in reverse rotation, and the meshed rack 5 is driven to slide in the adjusting groove 3, so that the L-shaped pin 6 is driven to move downwards to slide out of the limiting groove 9, the connection between the two foundation pit supports can be quickly removed, a plurality of bolts are not needed to be disassembled by using tools, the convenience of the device is improved, and the technical problem that the foundation pit support is inconvenient to disassemble in the prior art is solved.

The screw rods 18 are all in threaded connection at the top of the bottom plate 1, the accommodating groove 19 is formed in the bottom of the bottom plate 1 and corresponds to the screw rods 18, the screw ground nails 20 are accommodated conveniently when not in use through the accommodating groove 19, the screw ground nails 20 are fixedly connected to the bottom of the screw rods 18, the top groove 21 is formed in the side wall of the side plate 2 and corresponds to the screw rods 18, when the threaded rod 14 is rotated to enable the side plate 2 and the bottom plate 1 to be folded and accommodated, the screw rods 18 are inserted into the top groove 21, the accommodating of foundation pit support is prevented from being influenced, the practicality of the device is improved, the through groove 13 is formed in the top of the bottom plate 1, the threaded rod 14 is rotationally connected to the inner wall of the through groove 13, the hinge seat 15 is in threaded connection with the outer wall of the threaded rod 14, the supporting rod 16 is hinged between the hinge seat 15 and the side wall of the side plate 2, and the lower rotary disc 17 is fixedly connected to the side wall of the threaded rod 14 and penetrates one side of the bottom plate 1;

before the foundation pit support is installed, firstly, the bottom plate 1 is placed in the foundation pit, one side of the bottom plate 1 far away from the lower rotary table 17 is attached to the side wall of the foundation pit, then the screw rod 18 is rotated to move downwards in a spiral mode, the spiral ground nail 20 is driven to move downwards in a spiral mode, accordingly, the spiral ground nail 20 is screwed into the ground, the support of the position of the bottom plate 1 is achieved, then the lower rotary table 17 is rotated to drive the threaded rod 14 to rotate, the hinge base 15 in threaded connection is driven to slide, the side plate 2 is pushed to rotate around the hinged position of the bottom plate 1 through the supporting rod 16, the side plate 2 is enabled to be in contact with the side wall of the foundation pit, the supporting effect of the foundation pit can be achieved, meanwhile, the inclination angle of the side plate 2 is adjusted according to the inclination angle of the foundation pit conveniently through the rotation of the threaded rod 14, and the universality of the device is improved.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Other parts of the present utility model not described in detail are all of the prior art, and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (5)

1. The utility model provides a foundation ditch support convenient to dismantle, includes bottom plate (1) and curb plate (2), curb plate (2) hinged joint is at bottom plate (1) top, its characterized in that: adjusting groove (3) have all been seted up to bottom plate (1) and curb plate (2) one end, fixed slot (4) have all been seted up in bottom plate (1) and curb plate (2) other end and the corresponding position of adjusting groove (3), inside sliding connection of adjusting groove (3) has rack (5), adjusting groove (3) lateral wall rotate be connected with rack (5) engaged with gear (7), gear (7) lateral wall all passes adjusting groove (3) fixedly connected with carousel (8), rack (5) lateral wall fixedly connected with L type round pin (6), spacing groove (9) have all been seted up to fixed slot (4) lateral wall.

2. The foundation pit support convenient to detach according to claim 1, wherein: the top of the upper rotary table (8) is slidably connected with a positioning pin (10), and a plurality of positioning holes (11) are uniformly formed in the top of the bottom plate (1) and the side wall of the side plate (2) and in positions corresponding to the positioning pin (10).

3. The foundation pit support convenient to detach according to claim 2, wherein: a spring (12) is fixedly connected between the positioning pin (10) and the upper rotary table (8).

4. The foundation pit support convenient to detach according to claim 1, wherein: the utility model discloses a bottom plate, including bottom plate (1), through groove (13) have been seted up at bottom plate (1) top, through groove (13) inner wall rotation is connected with threaded rod (14), threaded rod (14) outer wall threaded connection has hinge seat (15), hinged joint has bracing piece (16) between hinge seat (15) and curb plate (2) lateral wall, threaded rod (14) lateral wall passes bottom plate (1) fixedly connected with carousel (17) down.

5. The foundation pit support convenient to detach according to claim 1, wherein: the screw is characterized in that a pair of screws (18) are connected to the top of the bottom plate (1) in a threaded mode, a storage groove (19) is formed in the bottom of the bottom plate (1) and corresponds to the screws (18), a spiral ground nail (20) is fixedly connected to the bottom of the screws (18), and a top groove (21) is formed in the side wall of the side plate (2) and corresponds to the screws (18).