CN216237948U - Protection device for subway construction - Google Patents

Abstract

The utility model discloses a protection device for subway construction, which comprises a base plate, wherein four support columns are fixedly connected to the lower side of the base plate, a driving box is fixedly connected to the lower side of each support column, wheels are arranged in the driving box, a reinforcing frame is fixedly connected between each support column and the base plate, mounting grooves are formed in the two sides of the base plate, extension plates are connected in the mounting grooves in a sliding mode, sliding grooves are formed in the two sides of the inner wall of each mounting groove, sliding blocks are fixedly connected to the two sides of each extension plate, and the sliding blocks and the sliding grooves are arranged in a one-to-one correspondence mode and are connected in a sliding mode. According to the utility model, the two extension plates are arranged in the mounting grooves on the two sides of the base plate, so that the rail-mounted area can be protected when in use, and the extension plates can be conveniently collected into the base plate and transported conveniently.

Description

Protection device for subway construction

Technical Field

The utility model relates to the field of subway safety protection devices, in particular to a protection device for subway construction.

Background

Along with the continuous expansion of subway traffic network, the passenger flow attracted by the subway is increased day by day, a subway line is newly designed beside an original overhead operation subway station, the conditions of transfer by the overhead operation subway station are more and more, the impact of the transfer passenger flow aggravates the influence of insufficient scale of the original overhead operation subway station, and the scale of part of stations needs to be expanded urgently to improve the service level. In the reconstruction and extension process of a subway station, an existing rail running area is often required to be protected so as to quickly recover the normal traffic of the subway after construction at a skylight point (generally from 1 point to 4 points in the morning), however, how to protect the rail running area is a problem to be faced.

A subway safety protection device as disclosed in chinese patent application No. CN213799688U3, comprising a protection plate in the shape of a plate; the top end of the frame is connected with the protection plate; the wheels are arranged at the bottom end of the frame, and the wheels are arranged at the bottom ends of two sides of the frame; the wheels on the two sides are respectively matched with the two rails of the rail running area, and the wheels can move along the rails, so that the protection plate can move in the rail running area. Although the protection device can protect a rail running area, the protection plate and the vehicle frame are difficult to move and are troublesome to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a protection device for subway construction, so that the problems in the prior art are solved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a protector of subway construction, includes the base plate, four support columns of downside fixedly connected with of base plate, the downside fixedly connected with drive case of support column, be equipped with the wheel in the drive case, fixedly connected with stiffener between support column and the base plate, the both sides of base plate all are equipped with the mounting groove, sliding connection has the extension bar in the mounting groove, the bottom of mounting groove is equipped with dodges the groove, the inner wall both sides of mounting groove all are equipped with the spout, the equal fixedly connected with slider in both sides of extension bar, slider and spout one-to-one set up and sliding connection.

Preferably, the inner wall both sides of drive case all rotate and are connected with the pivot, wheel fixed connection is between two pivots.

Preferably, a threaded hole is formed in one side of the inner wall of the driving box, a screw rod is connected to the threaded hole in an internal thread mode, a rotating handle is fixedly connected to one end of the screw rod, and a gasket is connected to the other end of the screw rod in a rotating mode.

Preferably, one side of the extension plate is fixedly connected with a cover plate, one side of the cover plate is fixedly connected with a handle, and the lower side of the cover plate is fixedly connected with an anti-skid block.

Preferably, the sliding groove comprises a linear groove, a circular groove is formed in one side of the linear groove, first arc surfaces are arranged on two sides of the sliding block, and the length of the sliding block is the same as the diameter of the circular groove.

Preferably, one side of the slider is fixedly connected with two clamping plates, two the clamping plates are rotatably connected with a fixing plate, one side of the fixing plate is provided with a through hole, the two sides of the base plate are fixedly connected with fixing columns, and the through hole is arranged corresponding to the fixing columns.

The utility model has the advantages that: according to the protection device for subway construction, the two extension plates are arranged in the mounting grooves in the two sides of the base plate, so that a rail running area can be protected when the protection device is used, the protection device can be conveniently collected into the base plate, and the base plate can be conveniently transported.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the basic structure of a drive case;

fig. 4 is a schematic view of the state of use of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1

As shown in fig. 1-4, the protection device for subway construction provided by the present invention comprises a substrate 1, the present invention is disposed in a rail traveling area 4, a rail 42 is disposed at the bottom of the rail traveling area 4, two sides of the rail traveling area 4 are provided with platforms 41, four support columns 11 are fixedly connected to the lower side of the substrate 1, a driving box 2 is fixedly connected to the lower side of the support columns 11, wheels 21 are disposed in the driving box 2, two sides of the inner wall of the driving box 2 are rotatably connected with rotating shafts 22, the wheels 21 are fixedly connected between the two rotating shafts 22, matching grooves are disposed on the outer side of the wheels 21 and can be matched with the rail 42, so as to move along the rail 42, thereby facilitating adjustment of the position of the substrate 1, a reinforcing frame 12 is fixedly connected between the support columns 11 and the substrate 1, the reinforcing frame 12 can support the substrate 1, so that the substrate 1 has a better protection effect on the rail traveling area 4, the two sides of the base plate 1 are both provided with mounting grooves 12, the extension plate 3 is connected in the mounting grooves 12 in a sliding manner, the tail end of the extension plate 3 is provided with a second cambered surface, the extension plate 3 is provided with the second cambered surface at the tail end, the tail end of the extension plate 3 can be prevented from being influenced by the inner wall of the mounting groove 12 when rotating, the extension plate 3 is used for being lapped on the ground of the platforms 41 at the two sides of the rail traveling zone 4 and is convenient for constructors to go back and forth the platforms 41 at the two sides, the installation groove 12 is arranged, the extension plate 3 is arranged in the mounting groove 12, the space saving effect can be achieved, the base plate 1 can be conveniently transported when the base plate 1 is not used, the bottom of the mounting groove 12 is provided with avoiding grooves, the extension plate 3 can rotate downwards after being drawn out of the mounting groove 12, the limiting effect of the bottom of the mounting groove 12 on the extension plate 3 is avoided, the two sides of the inner wall of the mounting groove 12 are both provided with sliding grooves 13, the equal fixedly connected with slider 31 in both sides of extension board 3, and the centre of a circle of slider 31 and second cambered surface coincides mutually, one side fixedly connected with apron 32 of extension board 3, one side fixedly connected with handle 321 of apron 32, the downside fixedly connected with non slipping spur 322 of apron 32, handle 321 can conveniently stimulate apron 32 and extension board 3, non slipping spur 322 can increase the friction with ground, the upside of apron 32 can play the effect of sheltering from, avoid the article of base plate 1 upside to roll down on platform 41 to go.

The sliding blocks 31 are arranged in one-to-one correspondence with the sliding grooves 13 and are connected in a sliding manner, each sliding groove 13 comprises a linear groove 131, one side of each linear groove 131 is provided with a circular groove 132, both sides of each sliding block 31 are provided with first arc surfaces 311, the length of each sliding block 31 is the same as the diameter of each circular groove 132, when each sliding block 31 is positioned in each linear groove 131, each sliding block can only slide along the direction of each linear groove 131, when the cover plate 32 is pulled out by pulling the handle 321, so that the extension plate 3 is simultaneously pulled out, the extension plate 3 drives the sliding blocks 31 to slide in the linear grooves 131, after the maximum length of each sliding block is reached, each sliding block 31 enters each circular groove 132, the center of each sliding block 31, the center of each circular groove 132 and the center of each second arc surface are overlapped, and meanwhile, due to the avoidance grooves, the extension plate 3 is not limited by the bottoms of the mounting grooves 12, so that the extension plates 3 can rotate downwards by taking the centers of the second arc surfaces as references to drive the sliding blocks 31 to rotate in the circular grooves 132, so that the skids 322 on the lower side of the cover plate 32 are abutted against the upper side of the platform 41, thereby facilitating the back and forth movement between the two platforms 41 for the constructor.

One side of the inner wall of the driving box 2 is provided with a threaded hole, a screw 23 is connected with the threaded hole in a threaded manner, one end of the screw 23 is fixedly connected with a rotating handle 24, the other end of the screw 23 is rotatably connected with a gasket 25, the rotating handle 24 is rotated to drive the screw 23 to rotate together, so that the screw 23 moves in the threaded hole in a threaded precession manner and drives the gasket 25 to move together, the gasket 25 is tightly attached to the side surface of the wheel 21, the wheel 21 cannot rotate, and the wheel 21 is fixed, one side of the sliding block 31 is fixedly connected with two clamping plates 33, a fixing plate 34 is rotatably connected between the two clamping plates 33, one side of the fixing plate 34 is provided with a through hole, both sides of the base plate 1 are fixedly connected with fixing columns 14, the through hole is arranged corresponding to the fixing columns 14, the outer side of the fixing columns 14 is provided with a threaded section, the threaded section is provided with a nut, and the through hole of the fixing plate 34 is matched with the fixing columns 14, the nut is then screwed on to complete the mutual fixation between the fixing tab 34 and the fixing post 14, so that the extension plate 3 cannot be pulled out.

When in use, the base plate 1 is transported to a designated construction position along the track 42, the extension plate 3 is fixed in the mounting groove 12 at the moment, after the base plate reaches the designated position, the nut on the outer side of the fixed column 14 is unscrewed, the fixed sheet 34 is separated from the fixed column 14, the handle 321 is pulled to draw out the cover plate 32, when the extension plate 3 is simultaneously drawn out, the extension plate 3 drives the sliding block 31 to slide in the linear groove 131, after the maximum length is drawn out, the sliding block 31 enters the circular groove 132, the center of the sliding block 31, the center of the circular groove 132 and the center of the second cambered surface are coincided, meanwhile, due to the arrangement of the avoidance groove, the extension plate 3 is no longer limited by the bottom of the mounting groove 12, therefore, the extension plate 3 can rotate downwards by taking the center of the second platform cambered surface as a reference, the sliding block 31 is driven to rotate in the circular groove 132, and the anti-skid blocks 322 on the lower side of the cover plate 32 are abutted against the upper side of the 41, thereby facilitating the shuttle of the constructor between the two platforms 41.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)

1. The utility model provides a protector of subway construction, includes base plate (1), its characterized in that: four support columns (11) of downside fixedly connected with of base plate (1), downside fixedly connected with drive case (2) of support column (11), be equipped with wheel (21) in drive case (2), fixedly connected with reinforcing frame (12) between support column (11) and base plate (1), the both sides of base plate (1) all are equipped with mounting groove (12), sliding connection has extension board (3) in mounting groove (12), the bottom of mounting groove (12) is equipped with and dodges the groove, the inner wall both sides of mounting groove (12) all are equipped with spout (13), the equal fixedly connected with slider (31) in both sides of extension board (3), slider (31) and spout (13) one-to-one set up and sliding connection.

2. A guard device for subway construction as claimed in claim 1, wherein: the inner wall both sides of drive case (2) all rotate and are connected with pivot (22), wheel (21) fixed connection is between two pivot (22).

3. A guard device for subway construction as claimed in claim 1, wherein: one side of the inner wall of the driving box (2) is provided with a threaded hole, a screw rod (23) is connected with the threaded hole in an internal thread manner, a rotating handle (24) is fixedly connected with one end of the screw rod (23), and a gasket (25) is rotatably connected with the other end of the screw rod (23).

4. A guard device for subway construction as claimed in claim 1, wherein: one side fixedly connected with apron (32) of extension board (3), one side fixedly connected with handle (321) of apron (32), the downside fixedly connected with non slipping spur (322) of apron (32).

5. A guard device for subway construction as claimed in claim 1, wherein: the sliding groove (13) comprises a linear groove (131), a circular groove (132) is formed in one side of the linear groove (131), first arc surfaces (311) are arranged on two sides of the sliding block (31), and the length of the sliding block (31) is the same as the diameter of the circular groove (132).

6. A guard device for subway construction as claimed in claim 1, wherein: two splint (33) of one side fixedly connected with of slider (31), two it is connected with stationary blade (34) to rotate between splint (33), one side of stationary blade (34) is equipped with the through-hole, the equal fixedly connected with fixed column (14) in both sides of base plate (1), the through-hole corresponds the setting with fixed column (14).

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