CN219410889U

CN219410889U - Foundation pit safety protection mechanism

Info

Publication number: CN219410889U
Application number: CN202320591987.3U
Authority: CN
Inventors: 董爱国
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-07-25
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a foundation pit safety protection mechanism, which comprises a base, wherein four travelling wheels are symmetrically arranged at the bottom of the base, a lifting assembly is commonly installed between two adjacent travelling wheels and the base, a driving assembly is commonly installed between two lifting assemblies, the top of the base is fixedly connected with a counterweight hopper, and one side of the outer surface of the counterweight hopper is inserted with a closing plate. According to the utility model, through the walking wheel, the lifting assembly, the driving assembly, the counterweight hopper, the closing plate, the sliding chute, the moving assembly and the supporting plate, when the supporting is needed, the base and the supporting plate are moved to the designated position, then the descending length of the supporting plate is adjusted and is attached to the side wall of the foundation pit, then the walking wheel is retracted, the base is contacted with the ground, the friction force is increased, and finally sand stone in a construction area is poured into the counterweight hopper, so that the counterweight is increased.

Description

Foundation pit safety protection mechanism

Technical Field

The utility model relates to the technical field of foundation pit safety protection, in particular to a foundation pit safety protection mechanism.

Background

The foundation pit is a soil pit excavated at a foundation design position according to the elevation of the substrate and the plane size of the foundation. In the process of digging a foundation pit, the soil body around the foundation pit is easy to collapse, and support needs to be carried out in time;

in the prior art, the foundation pit supporting structure is a five-flower eight-door (row pile supporting, pile supporting cantilever, underground continuous wall supporting, underground continuous wall+supporting, cement retaining wall, section steel pile transverse baffle supporting, steel sheet pile supporting, soil nailing wall, reverse arch wall, undisturbed soil slope, foundation pit inner supporting, pile+wall and supporting system), the construction time is long, and meanwhile most of the construction time is temporary supporting, and the corresponding supporting devices are abandoned after one time use, so that resource waste is caused.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a foundation pit safety protection mechanism.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a foundation ditch safety protection mechanism, includes the base, the bottom symmetry of base is equipped with four walking wheels, installs lifting unit jointly between two adjacent walking wheels all and the base, two install drive assembly jointly between the lifting unit, the top fixedly connected with counter weight fill of base, the surface one side of counter weight fill is pegged graft and is had the closure plate, and the closure plate is located the discharge end that the counter weight was fought, the surface one side symmetry fixedly connected with two spouts of base, two common sliding connection has the backplate between the spout, install movable assembly jointly between backplate and the base.

Further, two lifting assembly all includes the lead screw, and rotates between lead screw and the base to be connected, the surface threaded connection of lead screw has the fly leaf, and walking wheel fixed mounting is in the bottom of fly leaf, the top symmetry of fly leaf runs through and sliding connection has two gag levers post, and fixed connection is favorable to two walking wheels to rise or descend between gag lever post and the base.

Further, the drive assembly includes first hand wheel, surface one side center department fixedly connected with pivot of first hand wheel, and the pivot runs through the surface of base and extends to inside and rotate with it and be connected, the external surface fixed of pivot has cup jointed two worms, two surface one side of worm all meshes to be connected with the worm wheel, and the worm wheel is fixed to cup joint the surface at the lead screw, is convenient for drive two lifting assembly operations in step to be favorable to four walking wheels to rise or descend in step.

Further, remove the subassembly and include first mounting groove and second mounting groove, and the surface at the base is seted up to first mounting groove, the inside of first mounting groove is equipped with the gear, the center department fixedly connected with axis of rotation of gear, and the axis of rotation runs through the inner wall of first mounting groove and extends to the surface of base and rotate between the base and be connected, the one end fixedly connected with second hand wheel of axis of rotation, the surface at the backplate is seted up to the second mounting groove, the inside fixedly connected with and the rack of gear engagement connection of second mounting groove, the drive backplate of being convenient for rises or descends.

Further, the auxiliary block is fixedly connected to one side of the top of the closing plate and fixed to the top of the closing plate through welding, so that the closing plate is convenient to pull to move, and the closing plate and the counterweight hopper are facilitated to separate.

Furthermore, a triangular bracket is fixedly connected to one side of the outer surface of the support plate, and can increase the support strength of the support plate and avoid deformation of the support plate.

Furthermore, four through holes are symmetrically formed in the bottom of the base, and the through holes are matched with the travelling wheels, so that the travelling wheels can enter the base or extend out of the base.

The utility model has the beneficial effects that:

when the foundation pit safety protection mechanism is used, through the walking wheel, the lifting assembly, the driving assembly, the counterweight hopper, the closing plate, the sliding groove, the moving assembly and the supporting plate, when the supporting is needed, the base and the supporting plate are moved to the designated positions, then the descending length of the supporting plate is adjusted and is attached to the side wall of the foundation pit, the walking wheel is retracted, the base is contacted with the ground, the friction force is increased, and finally the construction area sand stone is poured into the counterweight hopper, so that the counterweight is added.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of a base of the present utility model;

FIG. 3 is a schematic diagram of a moving assembly according to the present utility model;

fig. 4 is a schematic view of the overall installation of the present utility model.

Legend description:

1. a base; 2. a first hand wheel; 3. a walking wheel; 4. the second hand wheel; 5. a counterweight bucket; 6. a closing plate; 7. a tripod; 8. a support plate; 9. a chute; 10. a limit rod; 11. a worm; 12. a gear; 13. a worm wheel; 14. a rotating shaft; 15. a screw rod; 16. a movable plate; 17. a second mounting groove; 18. a rotating shaft; 19. a first mounting groove; 20. a rack.

Detailed Description

Fig. 1 to 3 show, relate to a foundation ditch safety protection mechanism, including base 1, the bottom symmetry of base 1 is equipped with four walking wheels 3, install lifting unit jointly between two adjacent walking wheels 3 and the base 1, install drive assembly jointly between two lifting unit, the top fixedly connected with counter weight fill 5 of base 1, peg graft in outer surface one side of counter weight fill 5 has closure plate 6, and closure plate 6 is located the discharge end of counter weight fill 5, outer surface one side symmetry fixedly connected with two spouts 9 of base 1, common sliding connection has backplate 8 between two spouts 9, install movable assembly jointly between backplate 8 and the base 1.

As shown in fig. 1, an auxiliary block is fixedly connected to one side of the top of the closing plate 6.

The auxiliary block is connected with the closing plate 6 through welding, so that the connecting structure is simple, and meanwhile, the connecting strength of the connecting part is ensured.

As shown in fig. 1 and 3, a tripod 7 is fixedly connected to one side of the outer surface of the support plate 8.

The tripod 7 is also connected with the support plate 8 by welding, so that the strength of the support plate 8 can be increased.

As shown in fig. 2, the two lifting assemblies comprise a screw rod 15, the screw rod 15 is rotationally connected with the base 1, the outer surface of the screw rod 15 is in threaded connection with a movable plate 16, the travelling wheel 3 is fixedly arranged at the bottom of the movable plate 16, the top of the movable plate 16 symmetrically penetrates through and is in sliding connection with two limiting rods 10, and the limiting rods 10 are fixedly connected with the base 1.

The screw rod 15 can drive the movable plate 16 to move up and down when rotating, and the limiting rod 10 has a limiting effect on the movable plate 16, so that the movable plate 16 can be ensured to move stably under the driving of the screw rod 15.

The drive assembly includes first hand wheel 2, and surface one side center department fixedly connected with pivot 14 of first hand wheel 2, and pivot 14 runs through the surface of base 1 and extends to inside and rotate with it to be connected, and the surface fixed of pivot 14 has cup jointed two worms 11, and surface one side of two worms 11 all meshes is connected with worm wheel 13, and worm wheel 13 is fixed to cup joint at the surface of lead screw 15.

The rotating shaft 14 can be driven to rotate through the first hand wheel 2, and the rotating shaft 14 can drive the two worms 11 to rotate when rotating, so that the screw rod 15 is driven to rotate through the worm wheel 13, and synchronous operation of the two lifting assemblies can be realized.

Four through holes are symmetrically formed in the bottom of the base 1, and the through holes are matched with the travelling wheels 3.

The arrangement of the through holes is beneficial to the ascending or descending of the travelling wheel 3.

As shown in fig. 3, the moving assembly includes a first mounting groove 19 and a second mounting groove 17, the first mounting groove 19 is formed in the outer surface of the base 1, a gear 12 is disposed in the first mounting groove 19, a rotating shaft 18 is fixedly connected to the center of the gear 12, the rotating shaft 18 penetrates through the inner wall of the first mounting groove 19 to extend to the outer surface of the base 1 and is rotatably connected with the base 1, one end of the rotating shaft 18 is fixedly connected with a second hand wheel 4, the second mounting groove 17 is formed in the outer surface of the support plate 8, and a rack 20 meshed with the gear 12 is fixedly connected to the inner part of the second mounting groove 17.

When driving axis of rotation 18 through second hand-wheel 4 and rotate, can drive gear 12 and rotate, gear 12 can drive support plate 8 through rack 20 when rotating and rise or descend, and wherein support plate 8 and spout 9 cooperation can guarantee the stability that support plate 8 removed.

When the foundation pit safety protection mechanism is used, firstly, the base 1 is moved to the side of the foundation pit through the travelling wheel 3, then the second hand wheel 4 drives the rotating shaft 18 to move with the foundation pit, so that the gear 12 is driven to rotate, the gear 12 drives the support plate 8 to descend to a designated position along the sliding groove 9 through the rack 20, then the base 1 is moved again through the travelling wheel 3 until the support plate 8 is attached to the side wall of the foundation pit, then the first hand wheel 2 is rotated, the rotating shaft 14 can be driven to rotate through the first hand wheel 2, the rotating shaft 14 can drive the two worms 11 to rotate when rotating, so that the screw rod 15 is driven to rotate through the worm wheel 13, the movable plate 16 can be driven to move up and down when the screw rod 15 rotates until the travelling wheel 3 enters the base 1, the bottom of the base 1 is attached to the ground, sand in a construction area is poured into the counterweight hopper 5, and the counterweight is increased.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a foundation ditch safety protection mechanism, includes base (1), its characterized in that: the bottom symmetry of base (1) is equipped with four walking wheels (3), installs lifting unit jointly between two adjacent walking wheels (3) all and base (1), two install drive assembly jointly between the lifting unit, the top fixedly connected with counter weight fill (5) of base (1), peg graft on one side of the surface of counter weight fill (5) has closure plate (6), and closure plate (6) are located the discharge end of counter weight fill (5), two spouts (9) of surface one side symmetry fixedly connected with of base (1), two common sliding connection has backplate (8) between spout (9), install movable assembly jointly between backplate (8) and base (1).

2. The foundation pit safety protection mechanism of claim 1, wherein: the two lifting assemblies comprise a screw rod (15), the screw rod (15) is rotationally connected with the base (1), a movable plate (16) is connected with the outer surface of the screw rod (15) in a threaded mode, the travelling wheel (3) is fixedly installed at the bottom of the movable plate (16), the top of the movable plate (16) symmetrically penetrates through and is slidingly connected with two limiting rods (10), and the limiting rods (10) are fixedly connected with the base (1).

3. The foundation pit safety protection mechanism of claim 2, wherein: the driving assembly comprises a first hand wheel (2), a rotating shaft (14) is fixedly connected to the center of one side of the outer surface of the first hand wheel (2), the rotating shaft (14) penetrates through the outer surface of the base (1) to extend into the base and is rotationally connected with the base, two worms (11) are fixedly sleeved on the outer surface of the rotating shaft (14), worm wheels (13) are fixedly connected to one side of the outer surface of the worm (11) in a meshed mode, and the worm wheels (13) are fixedly sleeved on the outer surface of the screw rod (15).

4. The foundation pit safety protection mechanism of claim 1, wherein: the movable assembly comprises a first mounting groove (19) and a second mounting groove (17), the first mounting groove (19) is formed in the outer surface of the base (1), a gear (12) is arranged in the first mounting groove (19), a rotating shaft (18) is fixedly connected to the center of the gear (12), the rotating shaft (18) penetrates through the inner wall of the first mounting groove (19) to extend to the outer surface of the base (1) and is rotationally connected with the base (1), a second hand wheel (4) is fixedly connected to one end of the rotating shaft (18), the second mounting groove (17) is formed in the outer surface of the support plate (8), and a rack (20) meshed with the gear (12) is fixedly connected to the inner portion of the second mounting groove (17).

5. The foundation pit safety protection mechanism of claim 1, wherein: an auxiliary block is fixedly connected to one side of the top of the closing plate (6).

6. The foundation pit safety protection mechanism of claim 1, wherein: and one side of the outer surface of the support plate (8) is fixedly connected with a triangular bracket (7).

7. The foundation pit safety protection mechanism of claim 1, wherein: four through holes are symmetrically formed in the bottom of the base (1), and the through holes are matched with the travelling wheels (3).