CN216707940U

CN216707940U - Rope saw cuts arched bridge arch rib protection device

Info

Publication number: CN216707940U
Application number: CN202123433179.4U
Authority: CN
Inventors: 刘四德; 邓朝友; 万成福; 黄志猛; 赵俊杰; 王新明; 田博; 张攀华; 焦雷
Original assignee: No3 Engineering Co ltd Of China Railway 22th Bureau Group
Current assignee: No3 Engineering Co ltd Of China Railway 22th Bureau Group
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-10
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a rope saw cutting arch bridge arch rib protection device, and belongs to the technical field of arch bridge construction. The device comprises two support rails and a protective structure, wherein the two support rails are arranged in a V shape and are connected with a support ground through bolts; the protective structure comprises a plurality of transverse steel pipes, the transverse steel pipes are arc-shaped steel pipes, the plurality of transverse steel pipes are equally divided along an angular bisector of an included angle between the two support rails, and two ends of each transverse steel pipe are fixedly connected with the support rails; still include the rope saw motor, when cutting arched bridge arch rib, will the rope saw motor set up in being close two support the narrower end of rail contained angle, the rope saw motor set up in the protective structure, the rope saw motor with support ground fixed connection. The protection mechanism and the stroke protection cover are arranged in the cutting range of the wire saw, so that the life safety of operators is effectively protected.

Description

Rope saw cuts arched bridge arch rib protection device

Technical Field

The utility model relates to the technical field of arch bridge structures, in particular to a rope saw arch bridge arch rib cutting protection device.

Background

The Chinese economy changes from a high-speed growth stage to a high-quality development stage, and the establishment of an economic system of sound green low-carbon cycle development is an important direction and an epoch subject of high-quality development in a new epoch. The method aims at removing the waste arch bridge, and potential safety hazards caused by a rope saw exist in the existing rope saw segmentation cutting arch bridge removing process. The method can be used for removing arch ribs of the arch bridge or removing the main beam of the existing arch bridge after cutting by using a wire saw.

The wire saw generates huge tension force in the cutting process, the existing wire saw protection device and method concentrate on a simple device to cover a wire saw motor, serious threats are caused to the personal safety of field construction personnel, particularly the safety of cutting personnel, and the wire saw cannot effectively protect the cutting personnel under dangerous conditions such as breakage of the wire saw. Huge potential safety hazards not only seriously affect the subsequent construction, but also can prolong the construction period and increase the project cost.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a rope saw arch bridge arch rib cutting protection device, which solves the safety problems of the surrounding environment and personnel in the process of cutting the arch bridge arch rib by the rope saw on the premise of not influencing the normal work of the rope saw.

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

the utility model provides a rope saw arch bridge arch rib cutting protection device which comprises two support rails and a protection structure, wherein the two support rails are arranged in a V shape and are connected with a support ground through bolts; the protective structure comprises a plurality of transverse steel pipes, the transverse steel pipes are arc-shaped steel pipes, the plurality of transverse steel pipes are equally divided along an angular bisector of an included angle between the two support rails, and two ends of each transverse steel pipe are fixedly connected with the support rails; still include the rope saw motor, when cutting arched bridge arch rib, will the rope saw motor set up in being close two support the narrower end of rail contained angle, the rope saw motor set up in the protective structure, the rope saw motor with support ground fixed connection.

The utility model has the preferable technical scheme that the protective structure further comprises a longitudinal steel pipe, a sleeve is fixedly arranged on the top of the transverse steel pipe along the angular bisector of the included angle of the two support rails, and the longitudinal steel pipe is inserted into the sleeve so as to enhance the strength of the protective structure.

The utility model preferably adopts the technical scheme that the support rail is made of angle steel.

The utility model has the preferable technical scheme that the utility model also comprises a supporting tube and a fixing pin, wherein one end of the supporting tube is fixedly connected with the side wall of the supporting rail, and the other end of the supporting tube is provided with a plug hole; the two ends of the transverse steel pipe are provided with through holes matched with the inserting holes, the two ends of the transverse steel pipe are inserted into the supporting pipe, and the fixing pins are inserted into the inserting holes so as to fix the transverse steel pipe.

The utility model has the preferable technical scheme that the narrower end of the included angle of the two support rails is fixedly provided with two U-shaped grooves, and the two U-shaped grooves are symmetrically arranged relative to the plane of the bisector of the included angle of the two support rails; the rear edge baffle is connected with the U-shaped groove in a sliding mode.

The utility model preferably adopts the technical scheme that an observation port is arranged in the middle of the rear edge baffle, an operation port is arranged on the rear edge baffle close to the support rail, a protective net is arranged at the observation port, and a connecting hole is arranged at the bottom of the rear edge baffle to lay a circuit for a rope saw motor so as to further protect workers.

The utility model has the beneficial effects that:

(1) the rope saw cutting safety protection device fully utilizes common structural materials, and a protection mechanism and a stroke protection cover are arranged in the rope saw cutting range, so that the life safety of operators is effectively protected, and the manufacturing cost is low;

(2) the components can be recycled, so that a large amount of materials are saved, and the method is economical and practical;

(3) the structure is simple, the size is adjustable, the installation, the disassembly and the use are convenient, and the disassembly and the recycling can be realized; and the strength is reasonable, the size adaptability is strong, the on-site installation can be carried out quickly, and the rapid use in the cutting construction of the rope saw is greatly facilitated.

Drawings

FIG. 1 is a schematic view of an angle structure of a rope saw cutting arch bridge arch rib protection device provided in an embodiment of the utility model;

FIG. 2 is a top view of a rope saw cutting arch bridge rib protector provided in an embodiment of the present invention;

FIG. 3 is a side view of a rope saw cutting arch bridge rib protector provided in an embodiment of the present invention;

in the figure:

1. a support rail; 2. a protective structure; 3. a wire saw motor; 21. a transverse steel pipe; 22. longitudinal steel pipes; 211. a sleeve; 4. supporting a tube; 5. a fixing pin; 41. inserting holes; 11. a U-shaped groove; 6. a trailing edge baffle; 61. a viewing port; 62. an operation port; 63. and connecting the holes.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-3, the present embodiment provides a rope saw arch bridge arch rib cutting protection device, which includes two support rails 1 and a protection structure 2, where the two support rails 1 are arranged in a V shape, and the support rails 1 are connected to a support ground by bolts; the protective structure 2 comprises a plurality of transverse steel pipes 21, the transverse steel pipes 21 are circular arc-shaped steel pipes, the plurality of transverse steel pipes 21 are equally distributed along an angular bisector of an included angle between the two support rails 1, and two ends of each transverse steel pipe 21 are fixedly connected with the support rails 1; still include rope saw motor 3, when cutting arched bridge arch rib, set up rope saw motor 3 in being close the 1 contained angle of two support rails and narrow the end, rope saw motor 3 sets up in protective structure 2, rope saw motor 3 with support ground fixed connection. The supporting rail 1 is made of angle steel. The protective cover is formed by the simple protective structure 2, the working range of the rope saw is arranged in the protective cover, and the cutting worker works outside the protective mechanism 2, so that even if the cutting rope of the rope saw is broken, the worker can be effectively protected by the protective cover formed by the protective mechanism 2; support rail 1 and protective structure 2 simultaneously and adopt detachable structure, can realize the cyclic utilization of material, economical and practical.

In order to enhance the structural strength of the protective structure 2, preferably, the protective structure 2 further comprises a longitudinal steel pipe 22, the top of the transverse steel pipe 21 along the angular bisector of the included angle between the two support rails 1 is fixedly provided with a sleeve 211, and the longitudinal steel pipe 22 is inserted into the sleeve 211 to enhance the strength of the protective structure 2.

In order to make the supporting rail 1 and the protective structure detachable, preferably, the protective structure further comprises a supporting tube 4 and a fixing pin 5, wherein one end of the supporting tube 4 is fixedly connected with the side wall of the supporting rail 1, and the other end is provided with a plug hole 41; through holes matched with the inserting holes 41 are formed in the two ends of the transverse steel pipe 21, the two ends of the transverse steel pipe 21 are inserted into the supporting pipe 4, and the fixing pin 5 is inserted into the inserting holes 41, so that the aim of fixing the transverse steel pipe 21 is fulfilled. The aim of detachable recovery is achieved while the protective structure 2 is fixed.

In order to further enhance the protection of cutting workers, preferably, the narrower end of the included angle of the two support rails 1 is fixedly provided with two U-shaped grooves 11, the two U-shaped grooves 11 are symmetrically arranged about the plane of the bisector of the included angle of the two support rails 1; the rear edge baffle 6 is slidably connected with the U-shaped groove 11; the middle of the rear edge baffle 6 is provided with an observation port 61, the rear edge baffle 6 is provided with an operation port 62 close to the support rail 1, the observation port 61 is provided with a protective net, and the bottom of the rear edge baffle 6 is provided with a connecting hole 63 for laying a circuit for the rope saw motor 3 so as to further protect workers.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not intended to be limited to the specific embodiments disclosed herein, but other embodiments falling within the scope of the appended claims are intended to be within the scope of the present invention.

Claims

1. The utility model provides a rope saw cuts arched bridge arch rib protection device which characterized in that:

the device comprises two support rails (1) and a protective structure (2), wherein the two support rails (1) are arranged in a V shape, and the support rails (1) are connected with a support ground through bolts;

the protective structure (2) comprises a plurality of transverse steel pipes (21), the transverse steel pipes (21) are arc-shaped steel pipes, the plurality of transverse steel pipes (21) are arranged in an evenly-divided mode along an angular bisector of an included angle between the two support rails (1), and two ends of each transverse steel pipe (21) are fixedly connected with the support rails (1);

still include rope saw motor (3), when cutting arched bridge arch rib, will rope saw motor (3) set up in being close two support the rail (1) the narrower end of contained angle, rope saw motor (3) set up in protective structure (2), rope saw motor (3) with support ground fixed connection.

2. The rope saw cutting arch bridge rib protection device of claim 1, wherein:

the protective structure (2) further comprises a longitudinal steel pipe (22), a sleeve (211) is fixedly arranged on the top of the transverse steel pipe (21) along an angular bisector of an included angle between the two support rails (1), and the longitudinal steel pipe (22) is inserted into the sleeve (211) to enhance the strength of the protective structure (2).

3. The rope saw cutting arch bridge rib protection device of claim 1, wherein;

the support rail (1) is made of angle steel.

4. A rope saw cutting arch bridge rib protection device as defined in claim 3, wherein:

the device is characterized by also comprising a supporting tube (4) and a fixing pin (5), wherein one end of the supporting tube (4) is fixedly connected with the side wall of the supporting rail (1), and the other end of the supporting tube is provided with a plug hole (41);

the two ends of the transverse steel pipe (21) are provided with through holes matched with the inserting holes (41), the two ends of the transverse steel pipe (21) are inserted into the supporting pipe (4), and the fixing pins (5) are inserted into the inserting holes (41) so as to fix the transverse steel pipe (21).

5. The rope saw cutting arch bridge rib protection device of claim 1, wherein:

the narrow end of the included angle of the two support rails (1) is fixedly provided with two U-shaped grooves (11), the number of the U-shaped grooves (11) is two, and the two U-shaped grooves (11) are symmetrically arranged relative to the plane of the bisector of the included angle of the two support rails (1);

the rear edge baffle (6) is further included, and the rear edge baffle (6) is connected with the U-shaped groove (11) in a sliding mode.

6. The rope saw cutting arch bridge rib protection device of claim 5, wherein:

the rear edge baffle (6) middle part is provided with viewing aperture (61), rear edge baffle (6) are close support rail (1) play and are provided with operation mouth (62), viewing aperture (61) are provided with the protection network, rear edge baffle (6) bottom is provided with connecting hole (63) for rope saw motor (3) lays the circuit, in order to further protect the staff.