CN215890087U

CN215890087U - Movable walkway plate for shield construction

Info

Publication number: CN215890087U
Application number: CN202122006363.4U
Authority: CN
Inventors: 王晓东; 赵康; 钟光红; 徐寿刚; 何小文; 徐磊; 李武涛; 张韶彬; 李增良; 王航兵
Original assignee: Fourth Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
Current assignee: Fourth Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-22
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to a movable type walkway plate for shield construction, which belongs to the technical field of a travelling channel device for shield construction, and has the technical scheme that the movable type walkway plate comprises a plate body, wherein guardrails are fixed on two sides of the plate body, and one end of the plate body is hinged with a tail trolley around a horizontal axis; a supporting roller is arranged at one end of the plate body, which is far away from the hinged shaft; the carrier roller is arranged along the wide body direction of the plate body and is rotationally connected with the plate body around the axis of the carrier roller; the movable type walkway plate for shield construction further comprises a connecting lifting rope, one end of the connecting lifting rope is used for being connected with the tail trolley, and the other end of the connecting lifting rope is used for being connected with a non-hinged end of the plate body; the utility model can well and conveniently connect the walkway plates in the tunnel with the trolley walkway plates, thereby facilitating the passage.

Description

Movable walkway plate for shield construction

Technical Field

The utility model relates to the technical field of a walking channel device for shield construction, in particular to a movable walking board for shield construction.

Background

Along with the extension of the shield forming tunnel, a walking channel is required to be installed in the shield pipe, and the walking channel consists of a support, a walking board and a guardrail. The support and the duct piece are fixedly connected through bolts, and then the walkway plate is fixed in the shield duct piece. Because the shield segments are assembled in different point positions, and bolt hole positions are different, the height of the walking channel in the tunnel is inconsistent, and the dislocation is easy to occur when the walking channel is connected with a trolley walking board at the tail of the shield tunneling machine, so that the channel is unsmooth.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a movable walkway plate for shield construction, which can be used for well and conveniently connecting a walkway plate in a tunnel with a trolley walkway plate and is convenient to pass.

The technical purpose of the utility model is realized by the following technical scheme: a movable walkway plate for shield construction comprises a plate body, wherein guardrails are fixed on two sides of the plate body, and one end of the plate body is hinged with a tail trolley around a horizontal axis; a supporting roller is arranged at one end of the plate body, which is far away from the hinged shaft; the carrier roller is arranged along the wide body direction of the plate body and is rotationally connected with the plate body around the axis of the carrier roller; the movable walkway plate for shield construction further comprises a connecting lifting rope, one end of the connecting lifting rope is used for being connected with the tail trolley, and the other end of the connecting lifting rope is used for being connected with a non-hinged end of the plate body.

Through the technical scheme, when the walkway plates in the tunnel are installed, the free ends of the connecting lifting ropes are tied to the carrier rollers or one ends of the plate bodies where the carrier rollers are located, and the plate bodies are in a horizontal state by applying tension to the plate bodies through the connecting lifting ropes, so that workers can stand on the plate bodies conveniently to install and construct the walkway plates in the tunnel; after the installation and construction of the walkway plates in the tunnel are completed, the restraint of the connecting lifting ropes on the carrier rollers or the plate bodies is removed, the carrier rollers are lapped on the walkway plates in the tunnel, and the walkway plates in the tunnel can conveniently advance to the trolley walkway plates.

Preferably, the plate body comprises a frame and a steel plate net fixed on the upper part of the frame; the frame comprises two longitudinal angle steels and a plurality of transverse angle steels, the longitudinal angle steels are arranged in parallel in the length direction, the transverse angle steels are located between the two longitudinal angle steels, and two ends of each transverse angle steel are fixedly connected with the two longitudinal angle steels respectively.

Through above-mentioned technical scheme, constitute frame construction by horizontal angle steel and vertical angle steel, and then through set up the steel sheet net and then constitute the plate body structure on frame upper portion, make the plate body whole have lighter quality and good structural strength, easily use.

Preferably, the connecting plate further comprises two connecting blocks used for being fixed on two sides of the end portion of the tail trolley, one end of the plate body is fixedly connected with the shaft sleeve, and the connecting shaft sleeve is detachably connected with the connecting blocks.

Through above-mentioned technical scheme, through setting up connecting block and connecting axle sleeve to connecting axle sleeve demountable installation is on the connecting block, thereby can dismantle plate body afterbody platform truck, and the convenience is maintained the replacement to the plate body.

Preferably, the connecting device further comprises a mounting shaft, the connecting block is provided with a mounting hole for passing through the mounting shaft, and the mounting shaft axially passes through the two mounting holes and the connecting shaft sleeve; the circumferential surfaces at the two ends of the mounting shaft are respectively provided with connecting external threads, and the connecting external threads are meshed with connecting nuts.

Through the technical scheme, the plate body is installed at the end part of the tail trolley through the cooperation of the installation shaft, the connecting block and the connecting shaft sleeve and is limited through the connecting nut, so that the plate body can be installed and detached conveniently and quickly.

The better still including being used for being fixed in the hoist and mount calabash on the afterbody platform truck, hoist and mount calabash is used for connecting the lifting rope upper end height and adjusting.

Through the technical scheme, the lifting rope is connected with the tail trolley through the lifting hoist, the connecting end of the lifting rope and the tail trolley are connected and fixed on the hook of the lifting hoist, and the upper end of the lifting rope can be conveniently and quickly adjusted, so that the lifting rope can be used more conveniently and well to apply tension to the plate body.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic view of the use condition of a movable walkway plate for shield construction.

Fig. 2 is a schematic structural view of a movable walkway plate for shield construction.

Fig. 3 is a schematic structural diagram showing a plate body.

Fig. 4 is a schematic structural diagram showing a connection relationship between a plate body and a tail trolley.

Wherein, 1, a plate body; 11. longitudinal angle steel; 12. transverse angle steel; 13. steel plate nets; 2. a guardrail; 3. connecting a lifting rope; 4. a carrier roller; 5. hoisting a hoist; 6. connecting blocks; 61. mounting holes; 7. connecting the shaft sleeve; 8. installing a shaft; 9. and connecting a nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b):

a movable type walkway plate for shield construction refers to fig. 1 and 2 and comprises a plate body 1, a hoisting hoist 5 and a connecting lifting rope 3. In the figure, A is a shield segment, B is a shield machine tail trolley, and C is a tunnel inner walkway plate. The width of plate body 1 is less than the width of the guidance tape in the tunnel, and the both sides of plate body 1 are fixed with guardrail 2 respectively. The plate body 1 is installed at the tail end of a tail trolley of the shield tunneling machine and hinged with the tail trolley around a horizontal axis. A supporting roller 4 is arranged at one end of the plate body 1 away from the hinged shaft; the carrier roller 4 is arranged along the wide body direction of the plate body 1 and is connected with the plate body 1 in a rotating way around the axis of the carrier roller. The hoisting hoist 5 is fixed on the upper part of the tail trolley, and one end of the connecting lifting rope 3 is tied to a lifting hook of the hoisting hoist 5. When walking the guidance tape in the tunnel and installing the construction, will connect the free end of lifting rope 3 and tie up in bearing roller 4 or bearing roller 4 place plate body 1 one end, exert the pulling force through connecting lifting rope 3 to plate body 1, make plate body 1 be in the horizontality to make things convenient for the staff to stand on plate body 1, walk the guidance tape in the tunnel and install the construction. Through the setting of hoist and mount 5, and then conveniently adjust the upper end height of connecting lifting rope 3 to can hoist plate body 1 by good convenience more. After the installation construction of the walkway plates in the tunnel is completed, the restraint of the connecting lifting ropes 3 on the carrier rollers 4 or the plate bodies 1 is removed, the carrier rollers 4 are lapped on the walkway plates in the tunnel, and the walkway plates in the tunnel can conveniently advance to the trolley walkway plates.

Referring to fig. 3, the panel body 1 includes a frame and a steel mesh 13 fixed to an upper portion of the frame. The frame includes two length direction parallel arrangement's vertical angle steel 11 and a plurality of horizontal angle steel 12 that is located between two vertical angle steel 11, and the both ends of horizontal angle steel 12 are respectively with two vertical angle steel 11 fixed connection. The carrier roller 4 is positioned between the two longitudinal angle steels 11, and two ends of the carrier roller 4 are respectively rotatably connected with the two longitudinal angle steels 11. The longitudinal angle steel 11 and the transverse angle steel 12 are welded to form a frame structure, and then the plate body 1 is formed by covering the steel plate net 13, so that the plate body 1 integrally has light weight and good structural strength and is easy to use.

Referring to fig. 4, the movable walkway plate for shield construction further includes a connection block 6, a mounting shaft 8, and a connection nut 9. The circumferential surfaces at the two ends of the mounting shaft 8 are respectively provided with a connecting external thread, and the connecting nut 9 is meshed with the connecting external thread. The connecting blocks 6 are two and are respectively fixed on two sides of the end part of the tail trolley. The connecting block 6 is provided with a mounting hole 61 for passing through the mounting shaft 8. The end of the plate body 1 is fixed with a connecting shaft sleeve 7. When the plate body 1 is mounted to the end of the rear bogie, the connecting sleeve 7 is interposed between the two connecting blocks 6 so that the connecting sleeve 7 is axially aligned with the mounting hole 61. The plate body 1 is mounted on the end portion of the tail carriage by axially passing the mounting shaft 8 through the mounting hole 61 and the coupling boss 7 and further screwing the coupling nut 9 on the coupling male screw of the mounting shaft 8. The plate body 1 is installed on the tail trolley through connecting blocks 6, an installation shaft 8, connecting nuts 9 and other components, so that the plate body 1 can be conveniently and quickly installed and detached, and is convenient to maintain and replace.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. The utility model provides a shield constructs construction movable pavement board, includes plate body (1), the both sides of plate body (1) are fixed with guardrail (2), its characterized in that: one end of the plate body (1) is hinged with the tail trolley around a horizontal axis; a carrier roller (4) is arranged at one end of the plate body (1) far away from the hinged shaft; the carrier roller (4) is arranged along the width direction of the plate body (1) and is rotationally connected with the plate body (1) around the axis of the carrier roller; the movable walkway plate for shield construction further comprises a connecting lifting rope (3), one end of the connecting lifting rope (3) is used for being connected with a tail trolley, and the other end of the connecting lifting rope (3) is used for being connected with a non-hinged end of the plate body (1).

2. The movable walkway plate for shield construction according to claim 1, wherein: the plate body (1) comprises a frame and a steel plate net (13) fixed on the upper part of the frame; the frame comprises two longitudinal angle steels (11) which are arranged in parallel in the length direction and a plurality of transverse angle steels (12) which are arranged between the two longitudinal angle steels (11), wherein two ends of each transverse angle steel (12) are fixedly connected with the two longitudinal angle steels (11) respectively.

3. The movable walkway plate for shield construction according to claim 1, wherein: still include two connecting blocks (6) that are used for being fixed in afterbody platform truck tip both sides, one end fixed connection axle sleeve (7) of plate body (1), connecting axle sleeve (7) can be dismantled with connecting block (6) and be connected.

4. The movable walkway plate for shield construction according to claim 3, wherein: the connecting block (6) is provided with a mounting hole (61) for penetrating through the mounting shaft (8), and the mounting shaft (8) axially penetrates through the two mounting holes (61) and the connecting shaft sleeve (7); the circumferential surfaces at the two ends of the mounting shaft (8) are respectively provided with connecting external threads, and connecting nuts (9) are meshed on the connecting external threads.

5. The movable walkway plate for shield construction according to claim 1, wherein: still including being used for being fixed in hoist and mount calabash (5) on the afterbody platform truck, hoist and mount calabash (5) are used for adjusting connecting lifting rope (3) upper end height.