CN110952564A

CN110952564A - Road pit safety device

Info

Publication number: CN110952564A
Application number: CN201911404132.XA
Authority: CN
Inventors: 王亚西; 石杰; 王瑞鑫
Original assignee: Gansu Kaiyue Construction Engineering Co Ltd
Current assignee: Gansu Kaiyue Construction Engineering Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-04-03

Abstract

The invention discloses a road pit safety protection device which comprises a top plate, a bottom plate and a protective guard arranged between the top plate and the bottom plate, wherein a support column is arranged on the bottom surface of the bottom plate, the support column is a hollow support cylinder, a screw rod is arranged in the hollow support cylinder, the top end of the screw rod is rotatably connected with the bottom surface of the bottom plate, the lower end of the screw rod is in threaded connection with a push block, the bottom of the push block is provided with a trundle, a transmission part is arranged on the screw rod and is connected with a crank, and the bottom surface of the hollow support cylinder is provided with a through. When the protection device is used, the protection device can be moved only by rotating the crank, so that the protection device is simple and convenient, the use of the protection device is more convenient, and the practicability is enhanced.

Description

Road pit safety device

Technical Field

The invention relates to the technical field of highway engineering, in particular to a road pit safety protection device.

Background

The highway engineering refers to the work of investigation, measurement, design, construction, maintenance, management and the like of a highway structure. The highway engineering structure includes: roadbeds, pavements, bridges, culverts, tunnels, drainage systems, safety protection facilities, greening and traffic monitoring facilities, and houses, workshops and other service facilities used for construction, maintenance and monitoring.

In highway engineering, the effect of foundation ditch is to provide a space, makes the masonry operation of basis go on according to the position that the design appointed, in order to guarantee the safety of underground structure construction and foundation ditch surrounding environment, need adopt safety device to protect the foundation ditch to foundation ditch lateral wall and surrounding environment, prevents simultaneously that people from falling into in the foundation ditch by accident.

Because the foundation ditch belongs to interim engineering, after construction operation is accomplished, these safety device need be dismantled usually, move to the mode that these safety device adopted the transport among the prior art, but this kind of mode is comparatively hard, and can consume longer time.

Disclosure of Invention

The invention aims to: the utility model provides a road pit safety device, only need rotate the crank and can realize protector's removal, simple and convenient makes the use of device more convenient, and the practicality has obtained the reinforcing.

The technical scheme adopted by the invention is as follows:

the utility model provides a road pit safety device, includes the roof, bottom plate and the rail guard of setting between roof and bottom plate, the bottom surface of bottom plate is equipped with the support column, the support column is hollow supporting cylinder, and hollow supporting cylinder is inside to be equipped with the screw rod, and the screw rod top is rotated with the bottom surface of bottom plate and is connected, screw rod lower extreme threaded connection ejector pad, the ejector pad bottom is equipped with the truckle, be equipped with the driving medium on the screw rod, the driving medium links to each other with the crank, and logical groove with the truckle adaptation is seted up to the bottom surface of hollow supporting.

The working principle of the invention is as follows:

when the protection device needs to be moved, the crank handle is rotated to transmit power to the transmission part, the screw rod rotates when the transmission part transmits the power to the screw rod, the push block is in threaded connection with the screw rod, the push block moves downwards under the rotation action of the screw rod to push the trundles at the bottom of the push block to move downwards until the trundles are exposed out of the through grooves in the bottom surface of the hollow support cylinder to be contacted with the ground, meanwhile, the hollow support cylinder is separated from the ground, the whole protection device is moved and carried by moving the trundles, time and labor are saved, after the push block moves to a proper position, the crank handle is rotated in the opposite direction, the push block moves upwards under the rotation action of the screw rod to drive the trundles to move upwards through the through grooves in the bottom surface of the hollow support cylinder and then separate from the ground until the hollow support cylinder is contacted with the ground, the whole protection device is placed at, the device is more convenient to use, and the practicability is enhanced.

Further, the guard rail includes a horizontal rail and a vertical rail, which are formed in a lattice shape. The horizontal railing and the vertical railing block and intercept the space between the top plate and the bottom plate, and people can be prevented from carelessly falling into the foundation pit.

Further, the transmission part comprises a first bevel gear and a second bevel gear, the first bevel gear is sleeved on the screw rod, the first bevel gear is meshed with the second bevel gear, the second bevel gear is fixedly connected with the rotating shaft, and the rotating shaft penetrates through the wall of the hollow supporting cylinder and extends outwards. When the crank handle is rotated, the second bevel gear rotates, the second bevel gear transmits the rotation to the first bevel gear meshed with the second bevel gear, and the rotation of the first bevel gear drives the screw rod to rotate, so that the transmission of power is realized.

Furthermore, the rotating shaft penetrates through the wall of the hollow supporting cylinder and a crank is arranged at the end part extending outwards. The rotating shaft is convenient for people to rotate more easily by arranging the crank.

Furthermore, a plurality of night warning lamps are arranged on the top plate. The night warning lamp improves the night safety performance of the protective device, and avoids the situation that people touch the protective device carelessly at night and drop into the foundation pit.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

according to the invention, the supporting column is arranged at the bottom of the bottom plate of the protection device, the screw rod in the supporting column is adjusted to realize the up-and-down movement of the caster, the caster is exposed out of the supporting column to be contacted with the ground when the caster needs to be moved, the caster retracts into the supporting column to be separated from the ground after the movement is stopped, only the crank needs to be rotated during the operation, the operation is simple and convenient, the protection device is moved, the use of the protection device is more convenient, and the practicability is enhanced.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural view of the present invention.

Labeled as: 1-top plate, 2-bottom plate, 3-support column, 31-hollow support cylinder, 32-through groove, 33-screw rod, 34-push block, 35-caster, 36-transmission piece, 361-first bevel gear, 362-second bevel gear, 363-rotating shaft, 37-crank, 4-protective fence, 41-cross rail, 42-vertical rail and 5-night warning lamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The utility model provides a road pit safety device, includes roof 1, bottom plate 2 and the rail guard 4 of setting between roof 1 and bottom plate 2, the bottom surface of bottom plate 2 is equipped with support column 3, support column 3 is hollow supporting cylinder 31, and hollow supporting cylinder 31 is inside to be equipped with screw rod 33, and screw rod 33 top is rotated with the bottom surface of bottom plate 2 and is connected, screw rod 33 lower extreme threaded connection ejector pad 34, ejector pad 34 bottom is equipped with truckle 35, be equipped with driving medium 36 on the screw rod 33, driving medium 36 links to each other with crank 37, and hollow supporting cylinder 31's bottom surface is seted up and is led to the groove 32 that leads to with truckle 35 adaptation.

The working principle of the invention is as follows:

when the protection device needs to be moved, the crank 37 is rotated, the crank 37 transmits power to the transmission piece 36, the transmission piece 36 transmits power to the screw 33, the screw 33 rotates, the push block 34 is in threaded connection with the screw 33, the push block 34 moves downwards under the rotation action of the screw 33, the caster 35 at the bottom of the push block is pushed to move downwards until the caster 35 is exposed out of the through groove 32 in the bottom surface of the hollow support cylinder 31 and contacts the ground, meanwhile, the hollow support cylinder 31 is separated from the ground, at the moment, the whole protection device is moved and conveyed by moving the caster 35, time and labor are saved, after the protection device is moved to a proper position, the crank 37 is rotated in the opposite direction, the push block 34 moves upwards under the rotation action of the screw 33, the caster 35 is driven to move upwards through the through groove 32 in the bottom surface of the hollow support cylinder 31 and then is separated from the ground until the hollow support cylinder 31 contacts the ground, the whole protection, the device is simple and convenient, the protection device is moved, the device is more convenient to use, and the practicability is enhanced.

Example 2

On the basis of the embodiment 1, the guard rail 4 includes the transverse rails 41 and the vertical rails 42, and the transverse rails 41 and the vertical rails 42 form a grid shape. The transverse rail 41 and the vertical rail 42 block and intercept the space between the top plate 1 and the bottom plate 2, so that people can be prevented from falling into a foundation pit carelessly.

Example 3

On the basis of embodiment 2, the transmission member 36 includes a first bevel gear 361 and a second bevel gear 362, the first bevel gear 361 is sleeved on the screw 33, the first bevel gear 361 is engaged with the second bevel gear 362, the second bevel gear 362 is fixedly connected with the rotating shaft 363, and the rotating shaft 363 penetrates through the wall of the hollow supporting cylinder 31 and extends outwards. When the crank 37 is rotated, the second bevel gear 362 rotates, the second bevel gear 362 transmits the rotation to the first bevel gear 361 engaged with the second bevel gear, and the rotation of the first bevel gear 361 drives the screw 33 to rotate, thereby realizing the transmission of power.

Example 4

On the basis of the embodiment 1, the end of the rotating shaft 363, which penetrates through the wall of the hollow supporting cylinder 31 and extends outwards, is provided with a crank 37. The arrangement of the crank handle 37 facilitates the rotation of the rotary shaft 363.

Example 5

In addition to embodiment 1, a plurality of night warning lamps 5 are provided on the top plate 1. The night warning lamp 5 improves the night safety performance of the protective device, and avoids the situation that people touch the protective device carelessly at night and drop into the foundation pit.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.

Claims

1. The utility model provides a road pit safety device, a serial communication port, including roof (1), bottom plate (2) and rail guard (4) of setting between roof (1) and bottom plate (2), the bottom surface of bottom plate (2) is equipped with support column (3), support column (3) are hollow supporting cylinder (31), and hollow supporting cylinder (31) inside is equipped with screw rod (33), and screw rod (33) top is rotated with the bottom surface of bottom plate (2) and is connected, screw rod (33) lower extreme threaded connection ejector pad (34), ejector pad (34) bottom is equipped with truckle (35), be equipped with driving medium (36) on screw rod (33), driving medium (36) link to each other with crank (37), and logical groove (32) with truckle (35) adaptation are seted up to the bottom surface of hollow supporting cylinder (31).

2. A road pit safety guard device according to claim 1, characterized in that the guard rail (4) comprises cross rails (41) and vertical rails (42), the cross rails (41) and vertical rails (42) forming a grid.

3. A road pit safety protection device according to claim 2, characterized in that the transmission member (36) comprises a first bevel gear (361) and a second bevel gear (362), the first bevel gear (361) is sleeved on the screw (33), the first bevel gear (361) is meshed with the second bevel gear (362), the second bevel gear (362) is fixedly connected with the rotating shaft (363), and the rotating shaft (363) penetrates through the wall of the hollow supporting cylinder (31) and extends outwards.

4. A road pit safety guard according to claim 1, characterized in that the end of the shaft (363) extending through the wall of the hollow support cylinder (31) and outwards is provided with a crank (37).

5. A road pit safety arrangement according to claim 1, characterized in that a plurality of night warning lights (5) are provided on the roof (1).