CN219410889U - A foundation pit safety protection mechanism - Google Patents

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

A 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 technique

The foundation pit is an earth pit excavated at the foundation design position according to the base level and foundation plane size. During the excavation of the foundation pit, the soil around the foundation pit is prone to collapse, and timely support is required;

In the prior art, foundation pit support structures are various (pile support, pile support cantilever, underground diaphragm wall support, ground connection wall + support, cement retaining wall, steel pile transverse baffle support, steel sheet pile support, soil nail wall, inverted arch wall, undisturbed soil grading, foundation pit internal support, pile + wall plus support system), not only the construction takes a long time, but most of them are temporary supports, and the corresponding support devices are discarded after one use, resulting in waste of resources.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a foundation pit safety protection mechanism.

In order to achieve the above object, the utility model adopts the following technical scheme: a foundation pit safety protection mechanism, including a base, four walking wheels are symmetrically arranged at the bottom of the base, a lifting assembly is installed between two adjacent walking wheels and the base, a driving assembly is installed between the two lifting assemblies, a counterweight bucket is fixedly connected to the top of the base, a closing plate is inserted on one side of the outer surface of the counterweight bucket, and the closing plate is located at the discharge end of the counterweight bucket, two chutes are symmetrically and fixedly connected to one side of the outer surface of the base, and a support plate is slidably connected between the two chutes , a moving assembly is installed between the support plate and the base.

Further, the two lifting assemblies both include screw rods, and the screw rods are rotationally connected to the base. The outer surface of the screw rods is threaded with a movable plate, and the traveling wheels are fixedly mounted on the bottom of the movable plate. The top of the movable plate is symmetrically penetrated and slidably connected with two limit rods, and the limit rods are fixedly connected to the base, which is beneficial for the two traveling wheels to rise or fall.

Further, the drive assembly includes a first handwheel, a rotating shaft is fixedly connected to the center of one side of the outer surface of the first handwheel, and the rotating shaft extends through the outer surface of the base to the inside and is rotatably connected with it. The outer surface of the rotating shaft is fixedly sleeved with two worms, and the outer surfaces of the two worms are both meshed and connected to a worm wheel, and the worm gear is fixedly sleeved on the outer surface of the screw, so as to facilitate the synchronous driving of the two lifting components to run, thereby facilitating the synchronous rise or fall of the four road wheels.

Further, the moving assembly includes a first installation groove and a second installation groove, and the first installation groove is opened on the outer surface of the base, and the inside of the first installation groove is provided with a gear, and the center of the gear is fixedly connected with a rotating shaft, and the rotating shaft extends through the inner wall of the first installation groove to the outer surface of the base and is rotationally connected with the base. .

Further, an auxiliary block is fixedly connected to one side of the top of the closing plate, and the auxiliary block is fixed on the top of the closing plate by welding, which is convenient for pulling the closing plate to move, and facilitates the separation of the closing plate and the counterweight bucket.

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

Further, four through-holes are symmetrically opened on the bottom of the base, and the through-holes are matched with the traveling wheels, which is beneficial for the traveling wheels to enter or protrude from the base.

The beneficial effects of the utility model:

When the utility model is in use, the foundation pit safety protection mechanism, through the set walking wheels, lifting components, driving components, counterweight bucket, closing plate, chute, moving component and support plate, moves the base and the support plate to the designated position when support is needed, then adjusts the length of the support plate to fall and let it fit with the side wall of the foundation pit, then retracts the walking wheel, makes the base contact with the ground, increases friction, and finally pours sand in the construction area into the counterweight bucket to increase the counterweight. The overall structure is simple, and the time required for support construction is shorter. Short, but also can be reused to avoid waste of resources.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a sectional view of the base of the utility model;

Fig. 3 is a schematic structural diagram of the mobile assembly of the present invention;

Figure 4 is a schematic diagram of the overall installation of the utility model.

illustration:

1. Base; 2. First hand wheel; 3. Traveling wheel; 4. Second hand wheel; 5. Counterweight bucket; 6. Closing plate; 7. Triangular bracket; 8. Support plate; 9. Chute; 10. Limit rod; 11. Worm; 12. Gear; 13. Worm wheel;

Detailed ways

As shown in Figures 1 to 3, it involves a foundation pit safety protection mechanism, including a base 1, four walking wheels 3 are symmetrically arranged at the bottom of the base 1, a lifting assembly is installed between two adjacent walking wheels 3 and the base 1, and a driving assembly is installed between the two lifting assemblies. A guard plate 8, a moving assembly is installed between the support plate 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 by welding, the connection structure is simple, and the connection strength of the connection is ensured at the same time.

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

Triangular bracket 7 is also connected with support plate 8 by welding, which can increase the strength of support plate 8 .

As shown in Fig. 2, both lifting assemblies include screw mandrels 15, and the screw mandrels 15 are rotationally connected with the base 1, the outer surface of the screw mandrels 15 is screwed with a movable plate 16, and the traveling wheels 3 are fixedly mounted on the bottom of the movable plate 16, and the top of the movable plate 16 is symmetrically penetrated and slidably connected with two limit rods 10, and the limit rods 10 are fixedly connected with the base 1.

When the screw mandrel 15 rotates, it can drive the movable plate 16 to move up and down, and the stop rod 10 has a position-limiting effect on the movable plate 16, which can ensure that the movable plate 16 moves stably under the driving of the screw rod 15.

The drive assembly includes a first handwheel 2, a rotating shaft 14 is fixedly connected to the center of one side of the outer surface of the first handwheel 2, and the rotating shaft 14 extends through the outer surface of the base 1 to the inside and is rotationally connected with it.

The rotating shaft 14 can be driven to rotate through the first handwheel 2, and the rotating shaft 14 can drive the two worms 11 to rotate when rotating, thereby driving the screw mandrel 15 to rotate through the worm wheel 13, and the synchronous operation of the two lifting components can be realized.

The bottom of the base 1 is symmetrically provided with four through holes, and the through holes are matched with the traveling wheels 3 .

The setting of the through hole is conducive to the rising or falling of the traveling wheel 3 .

As shown in Figure 3, the moving assembly comprises a first mounting groove 19 and a second mounting groove 17, and the first mounting groove 19 is provided on the outer surface of the base 1, the inside of the first mounting groove 19 is provided with a gear 12, the center of the gear 12 is fixedly connected with a rotating shaft 18, and the rotating shaft 18 extends through the inner wall of the first mounting groove 19 to the outer surface of the base 1 and is rotationally connected with the base 1, one end of the rotating shaft 18 is fixedly connected with the second hand wheel 4, and the second mounting groove 17 is opened on the outer surface of the support plate 8, the second mounting groove 1 The inside of 7 is fixedly connected with a rack 20 meshed with the gear 12 .

When the rotating shaft 18 is driven by the second hand wheel 4 to rotate, the gear 12 can be driven to rotate, and the gear 12 can drive the support plate 8 to rise or fall through the rack 20 when rotating, wherein the support plate 8 cooperates with the chute 9 to ensure the stability of the support plate 8 movement.

When using the foundation pit safety protection mechanism, the base 1 is first moved to the side of the foundation pit through the walking wheel 3, and then the second hand wheel 4 of the Forbidden City drives the rotating shaft 18 to move, thereby driving the gear 12 to rotate. The gear 12 drives the support plate 8 to drop to the designated position along the chute 9 through the rack 20, and then moves the base 1 again through the walking wheel 3 until the support plate 8 fits with the side wall of the foundation pit. 11 rotates, thereby drives screw mandrel 15 to rotate by worm wheel 13, and when screw mandrel 15 rotates, can drive movable plate 16 to move up and down, until traveling wheel 3 enters base 1, allows base 1 bottom to fit with the ground, pours sand and gravel into construction area in counterweight bucket 5, increases counterweight.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model shall be included within the protection scope of the utility model.

Claims (7)

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).