CN219509257U

CN219509257U - Foundation pit safety protection device

Info

Publication number: CN219509257U
Application number: CN202320745220.1U
Authority: CN
Inventors: 徐金龙
Original assignee: Hubei Zhenxing Port And Channel Engineering Co ltd
Current assignee: Hubei Zhenxing Port And Channel Engineering Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-11
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a foundation pit safety protection device, which comprises a main support column and an auxiliary support column, wherein a telescopic bracket is arranged between a first slide bar and a second slide bar, a pair of supporting blocks are connected to the side wall of the second slide bar in a sliding way, a control rod is connected to the inside of the second slide bar in a sliding way, a control block is fixedly connected to the control rod, threads corresponding to the inner wall of one of the sliding blocks on the second slide bar are carved on the inner wall of the sliding block in a sliding way, and the supporting blocks are carved with threads corresponding to the inner wall of the sliding block.

Description

Foundation pit safety protection device

Technical Field

The utility model relates to a protection device, in particular to a foundation pit safety protection device.

Background

The foundation pit is a space below the ground excavated for the construction of building foundation, and safety protection devices are required to be arranged around the foundation pit in the foundation pit construction process due to the fall between the foundation pit and the pavement.

Therefore, the foundation pit safety protection device is arranged near the foundation pit and is used for isolating the foundation pit from the surrounding through encircling the foundation pit, so that pedestrians and passing vehicles can timely distinguish the road conditions in front, and the situation that the pedestrians and the passing vehicles fall into the foundation pit to be injured is avoided.

The prior art comprises the following steps: CN201428356Y, a safety device

CN205530281U, municipal road foundation pit safety device

However, when the existing safety guard rail is specifically used, some problems exist:

1. the safety guard rail is more in variety, the telescopic guard rail is convenient to transport, the occupied space is small, two persons are usually required to install in a coordinated manner during installation, the two persons respectively pull the two ends of the guard rail to enable the guard rail to be unfolded, the single person operation difficulty coefficient is large, and when a plurality of guard rails are spliced together, the angle between the guard rails is fixed, so that the guard rail is unfavorable for the surrounding of an irregular pit base.

2. When the guard rail is built temporarily, the guard rail is not required to be fixed on the ground generally, the guard rail is of an I-shaped structure, and when the two sides of the guard rail are impacted or meet strong wind, the guard rail is easy to topple.

Disclosure of Invention

The utility model aims to provide a foundation pit safety protection device, which aims to solve the problems that the foundation pit is small in adaptive force, inconvenient to enclose and high in operation difficulty for a single person, and the two sides of a guard rail are easy to topple when impacted in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the foundation pit safety protection device comprises a main supporting column and an auxiliary supporting column, wherein a second sliding rod and a first sliding rod are respectively connected to the main supporting column and the auxiliary supporting column in a rotating mode, a telescopic frame is arranged between the first sliding rod and the second sliding rod, the second sliding rod extends out of the top end of the main supporting column and is fixedly connected with a handle, four corners of the telescopic frame are respectively connected with sliding blocks in a rotating mode, two pairs of sliding blocks are respectively connected to the first sliding rod and the second sliding rod in a sliding mode, a pair of supporting blocks are connected to the side walls of the second sliding rod in a sliding mode, a first spring is fixedly connected between the supporting blocks and the second sliding rod, a control rod is connected to the second sliding rod in a sliding mode, a control block is fixedly connected to the control rod, a chute is arranged at one end, close to the control block, of the chute is of a slide-shaped structure, threads are engraved on the inner wall of one sliding block on the second sliding rod, and threads corresponding to the inner wall of the sliding block are engraved on the supporting block;

the main support column and the auxiliary support column are both rotationally connected with a support rod, a ratchet wheel is fixedly connected to a rotating shaft of the support rod, pressing blocks are slidably connected to the vicinity of the main support column and the auxiliary support column, second springs are fixedly connected between the pressing blocks and the corresponding main support column and auxiliary support column respectively, a pawl is fixedly connected to the pressing blocks, and the pawl is in contact with the ratchet wheel.

As a preferable technical scheme of the utility model, a plurality of control blocks and the chute are arranged, and the plurality of control blocks and the chute are distributed in a linear matrix.

As a preferable technical scheme of the utility model, the main support column and the auxiliary support column are embedded, and the main support column is in a [ -shaped structure.

As a preferable technical scheme of the utility model, the rotating end of the supporting rod is provided with a torsion spring, and the other end of the torsion spring is respectively in conflict with the corresponding main supporting column and the corresponding auxiliary supporting column.

One side of the main support column, which is away from the second slide bar, is fixedly connected with a clamping block, and one side of the auxiliary support column, which is away from the first slide bar, is provided with a clamping groove corresponding to the clamping block.

As a preferable technical scheme of the utility model, the bottom ends of the main support column and the auxiliary support column are both connected with the push block in a sliding manner, the top ends of the push block are in an inclined plane shape, the main support column and the auxiliary support column are both connected with the screw in a rotating manner, the screw is connected with the moving block in a threaded manner, the bottom ends of the moving block are abutted against the inclined plane ends of the push block, and the bottom ends of the push block are provided with universal wheels.

As a preferable technical scheme of the utility model, the bottom end of the pushing block is propped against a third spring, and the bottom end of the third spring is propped against the corresponding main support column and the corresponding auxiliary support column respectively.

As a preferable technical scheme of the utility model, the second slide bar is fixedly connected with a protective shell, the slide block is in sliding connection with the protective shell, the protective shell is fixedly connected with an auxiliary slide bar, and the slide block is in sliding connection with the auxiliary slide bar.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the control rod, the sliding block, the abutting block and the universal wheel are arranged, when a human hand is sufficient, the telescopic frame can be directly pulled open, when a person is insufficient to independently install the protective guard, the control rod is operated, the abutting block is equivalent to a screw rod after extending out and is meshed with threads on the sliding block, so that the sliding block can be controlled to move up and down, the telescopic frame is controlled to stretch, the universal wheel can enable the auxiliary supporting column to slide on the ground, the purpose of independent installation of a person is achieved, the telescopic frame is more flexible and convenient to use, and the telescopic frame can rotate, so that the foundation pit enclosure with an irregular shape is facilitated.

2. According to the utility model, the supporting rod, the ratchet wheel and the pawl are arranged, so that the supporting rod can be unfolded when needed, the ground is supported by the supporting rod, the stability is improved, the temporary guard rail is convenient to lay, the ratchet wheel and the pawl play a limiting role, and the limiting can be released when the temporary guard rail is not used, so that the supporting rod can be automatically retracted, and the operation is convenient.

Drawings

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

FIG. 2 is a schematic view of a second slide bar portion of the present utility model;

FIG. 3 is a schematic view of a slider portion of the present utility model;

FIG. 4 is a schematic view of the lever portion of the present utility model;

FIG. 5 is a schematic diagram of a control block portion of the present utility model;

FIG. 6 is a schematic view of the structure of the interference block portion of the present utility model;

FIG. 7 is a schematic view of the structure of the first slide bar portion of the present utility model;

FIG. 8 is a schematic view of a ratchet portion of the present utility model;

fig. 9 is a schematic structural view of a push block portion of the present utility model.

In the figure: 1. a main support column; 2. an auxiliary support column; 301. a protective shell; 302. a first slide bar; 303. a telescopic frame; 304. a handle; 305. a control lever; 306. a second slide bar; 307. a slide block; 308. a collision block; 309. an auxiliary slide bar; 310. a chute; 311. a control block; 312. a first spring; 401. a support rod; 402. a pressing block; 403. a torsion spring; 404. a ratchet wheel; 405. a second spring; 406. a pawl; 501. a clamping block; 502. a clamping groove; 601. a screw; 602. a third spring; 603. a universal wheel; 604. a pushing block; 605. and (5) moving the block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-9, the present utility model provides a technical solution for a foundation pit safety protection device:

embodiment one:

according to the embodiments shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 9, a foundation pit safety protection device comprises a main supporting column 1 and an auxiliary supporting column 2, wherein a second sliding rod 306 and a first sliding rod 302 are respectively connected to the main supporting column 1 and the auxiliary supporting column 2 in a rotating manner, a telescopic bracket 303 is installed between the first sliding rod 302 and the second sliding rod 306, the second sliding rod 306 extends out of the top end of the main supporting column 1 and is fixedly connected with a handle 304, so that the second sliding rod 306 is convenient to rotate, four corners of the telescopic bracket 303 are respectively connected with a sliding block 307 in a rotating manner, the two pairs of sliding blocks 307 are respectively connected to the first sliding rod 302 and the second sliding rod 306 in a sliding manner, a pair of collision blocks 308 are connected to the side walls of the second sliding blocks 306 in a sliding manner, a control rod 305 is fixedly connected to the first spring 312 between the collision blocks 308 and the second sliding blocks 306, a control block 311 is fixedly connected to the second sliding rod 305, one end, which is close to the control block 311, and the chute 310 is provided with a slide-shaped structure, so that the control rod 311 can control the movement of the control block 311 through the control rod, thereby facilitating the pushing out of the control block 311, and the sliding block 308 is screwed to the corresponding to the sliding block 307 on the sliding block 307.

When the hand is sufficient, two people can directly grasp the main support column 1 and the auxiliary support column 2 respectively and pull the telescopic frame 303 to pull the telescopic frame to pull out a proper length to encircle the foundation pit, the main support column 1 and the auxiliary support column 2 are embedded, the main support column 1 is in a [ -shaped structure so as to be convenient for combining the main support column 1 and the auxiliary support column 2 when not in use, thereby saving space, when one person is not enough to independently install the guard rail, the screw 601 is rotated, one end of the screw 601 is provided with a knob so as to facilitate the rotation of the screw 601, the screw 601 drives the moving block 605 to move, the moving block 605 slides on the inclined plane at the top end of the pushing block 604 so as to push the pushing block 604 to stretch out with the universal wheel 603, the sliding of the main support column 1 and the auxiliary support column 2 is facilitated, the third spring 602 is compressed, the third spring 602 is used for resetting the universal wheel 603, pushing down the control rod 305, the control rod 305 slides on the slide chute 310 through the control block 311, so that the control block 308 is pushed out, the first spring 312 stretches, the control block 308 is equivalent to a screw rod after being extended out and meshed with threads on the slide block 307, the control block 311 and the chute 310 are provided with a plurality of control blocks 311 and the chute 310 which are distributed in a linear matrix, so that stability of pushing out the control block 308 is improved, the handle 304 is rotated, the second slide bar 306 and the control block 308 can be driven to rotate, the up-and-down movement of the slide block 307 can be controlled, the expansion and contraction of the telescopic frame 303 is controlled, the universal wheel 603 can enable the auxiliary support column 2 to slide on the ground, so that the aim of independent installation of one person is fulfilled, the telescopic frame 303 can rotate around the second slide bar 306 through the slide block 307, the surrounding of an irregularly-shaped foundation pit is facilitated, one side of the main support column 1, which is far away from the second slide rod 306, is fixedly connected with a clamping block 501, and one side of the auxiliary support column 2, which is far away from the first slide rod 302, is provided with a clamping groove 502 corresponding to the clamping block 501, so that a plurality of guard rails can be spliced, a guard casing 301 is fixedly connected to the second slide rod 306, an auxiliary slide rod 309 is fixedly connected to the guard casing 301, the sliding stability of the slide block 307 can be improved conveniently, meanwhile, protection of threads on the supporting block 308 and the slide block 307 can be achieved, and dust adhesion is reduced.

Embodiment two:

on the basis of the first embodiment, as shown in fig. 1 and 8, a supporting rod 401 is rotatably connected to each of the main supporting column 1 and the auxiliary supporting column 2, a ratchet 404 is fixedly connected to a rotating shaft of the supporting rod 401, pressing blocks 402 are slidably connected to each of the main supporting column 1 and the auxiliary supporting column 2 near the supporting rod 401, second springs 405 are fixedly connected between the pressing blocks 402 and the corresponding main supporting column 1 and auxiliary supporting column 2, pawls 406 are fixedly connected to the pressing blocks 402, and the pawls 406 are in contact with the ratchet 404.

When the foundation pit safety protection device is particularly used, the supporting rod 401 is outwards broken to be unfolded, the supporting rod 401 is supported on the ground, the torsion spring 403 is compressed, the pawl 406 controls the ratchet wheel 404 to rotate unidirectionally, so that the supporting rod 401 is kept motionless, stability is improved, temporary guard rails are conveniently paved, the ratchet wheel 404 and the pawl 406 play a limiting role, when the foundation pit safety protection device is not used, the main supporting column 1 and the auxiliary supporting column 2 are slightly lifted, the pressing block 402 is pressed, the pawl 406 and the ratchet wheel 404 are separated, the limiting effect can be relieved, the supporting rod 401 is automatically retracted under the action of the torsion spring 403, and the foundation pit safety protection device is convenient to operate.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foundation ditch safety device, includes main support post (1) and auxiliary support post (2), rotate respectively on main support post (1) and auxiliary support post (2) and be connected with second slide bar (306) and first slide bar (302), install expansion bracket (303) between first slide bar (302) and second slide bar (306), its characterized in that: the second sliding rod (306) extends out of the top end of the main supporting column (1) and is fixedly connected with a handle (304), four corners of the telescopic frame (303) are respectively connected with sliding blocks (307) in a rotating mode, two pairs of sliding blocks (307) are respectively connected to the first sliding rod (302) and the second sliding rod (306) in a sliding mode, a pair of abutting blocks (308) are connected to the side wall of the second sliding rod (306) in a sliding mode, a first spring (312) is fixedly connected between the abutting blocks (308) and the second sliding rod (306), a control rod (305) is connected to the inside of the second sliding rod (306) in a sliding mode, a control block (311) is fixedly connected to the control rod (305), one end, close to the control block (311), of each abutting block (308) is provided with a chute (310), the chute (310) is in a sliding-shaped structure, threads are engraved on the inner wall of one sliding block (307) on the second sliding rod (306), and threads corresponding to the inner wall of the sliding block (307) are engraved on the abutting blocks (308).

The novel support is characterized in that support rods (401) are rotationally connected to the main support column (1) and the auxiliary support column (2), ratchet wheels (404) are fixedly connected to the rotating shafts of the support rods (401), pressing blocks (402) are slidably connected to the main support column (1) and the auxiliary support column (2) in the vicinity of the support rods (401), second springs (405) are fixedly connected between the pressing blocks (402) and the corresponding main support column (1) and auxiliary support column (2), pawls (406) are fixedly connected to the pressing blocks (402), and the pawls (406) are in interference with the ratchet wheels (404).

2. The foundation pit safety protection device of claim 1, wherein: the control blocks (311) and the chute (310) are provided with a plurality of control blocks (311) and the chute (310) which are distributed in a linear matrix.

3. The foundation pit safety protection device of claim 1, wherein: the main support column (1) and the auxiliary support column (2) are embedded, and the main support column (1) is in a [ -shaped structure.

4. The foundation pit safety protection device of claim 1, wherein: the rotating end of the supporting rod (401) is provided with a torsion spring (403), and the other end of the torsion spring (403) is respectively in conflict with the corresponding main supporting column (1) and the corresponding auxiliary supporting column (2).

5. The foundation pit safety protection device of claim 1, wherein: one side of the main support column (1) deviating from the second slide bar (306) is fixedly connected with a clamping block (501), and one side of the auxiliary support column (2) deviating from the first slide bar (302) is provided with a clamping groove (502) corresponding to the clamping block (501).

6. The foundation pit safety protection device of claim 1, wherein: the novel multifunctional support is characterized in that pushing blocks (604) are slidably connected to the bottoms of the main support column (1) and the auxiliary support column (2), the tops of the pushing blocks (604) are in an inclined plane shape, screws (601) are rotatably connected to the main support column (1) and the auxiliary support column (2), moving blocks (605) are connected to the screws (601) in a threaded mode, the bottoms of the moving blocks (605) are abutted to the inclined plane ends of the pushing blocks (604), and universal wheels (603) are mounted at the bottoms of the pushing blocks (604).

7. The foundation pit safety shield apparatus of claim 6, wherein: the bottom end of the pushing block (604) is propped against a third spring (602), and the bottom end of the third spring (602) is propped against the corresponding main support column (1) and the corresponding auxiliary support column (2) respectively.

8. The foundation pit safety protection device of claim 1, wherein: the second slide bar (306) is fixedly connected with a protective shell (301), the slide block (307) is in sliding connection with the protective shell (301), the protective shell (301) is fixedly connected with an auxiliary slide bar (309), and the slide block (307) is in sliding connection with the auxiliary slide bar (309).