CN212626954U

CN212626954U - Pulley device for paying off cable of bridge

Info

Publication number: CN212626954U
Application number: CN202021336373.3U
Authority: CN
Inventors: 阳杰; 郑国栋; 叶长峰; 陈南; 孙振; 张斌
Original assignee: China Construction Eighth Engineering Division Co Ltd
Current assignee: China Construction Eighth Engineering Division Co Ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-02-26
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to a pulley device for paying off a bridge cable, which comprises a bridge main body, wherein the inner side of the bridge main body is provided with a fixed support, the top side of the fixed support is provided with a fixed clamp, the fixed support is provided with two parts which are symmetrically distributed, an inner shaft fixed rod is arranged between the two fixed supports, a pulley block is arranged at the middle position of the outer side of the inner shaft fixed rod, the parts of the cable main body drive an outer shaft part on a rolling body to rotate by the arrangement of the components such as the fixed support, the inner shaft fixed rod, the fixed clamp and the pulley block in the bridge main body and the rolling effect of a through groove, a certain auxiliary effect can be provided for the wire pulling process of the cable main body, manpower is saved, meanwhile, the friction of the surface of the cable main body is reduced when the wire pulling is carried out, namely, the damage to the cable, the working efficiency of the cable paying-off process of the bridge frame is improved.

Description

Pulley device for paying off cable of bridge

Technical Field

The utility model relates to a crane span structure cable unwrapping wire appurtenance technical field especially relates to a pulley gear for crane span structure cable unwrapping wire.

Background

The cable bridge is divided into structures such as a groove type cable bridge, a tray type cable bridge, a ladder type cable bridge, a grid bridge and the like, and the cable bridge comprises a support, a supporting arm, an installation accessory and the like, can be independently erected and also can be laid on various buildings (structures) and pipe gallery supports, and has the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like. Many erects in the air or adorn underground, submarine for telecommunication or power transmission, 1832 years, Russian and retired officer licence check bury the telegraph line underground, between six wires, put in the glass pipe simultaneously after insulating with rubber, this is the earliest underground cable in the world, when need be acted as go-between to the crane span structure cable on the cable crane span structure, the operation is comparatively difficult, the personnel's operation of not being convenient for, and easily form destruction to the cable when acting as go-between, cause the product to damage, increase the operating cost, to a certain extent, the work efficiency of crane span structure cable unwrapping wire process has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a pulley gear for crane span structure cable unwrapping wire, have simple structure, make things convenient for personnel to operate and use and to the advantage of the certain protection effect of formation of stay wire process.

The technical scheme for realizing the purpose is as follows:

the utility model provides a pulley gear for crane span structure cable unwrapping wire, including the crane span structure main part, the inboard of crane span structure main part is provided with the fixed bolster, the top side of fixed bolster is provided with the fixing clip, the fixed bolster is provided with two parts altogether and is the symmetric distribution, two be provided with interior dead lever between the fixed bolster, the assembly pulley has been installed to the intermediate position department in the outside of interior dead lever, be equipped with the rolling element on the assembly pulley, through rolling element roll connection between assembly pulley and the interior dead lever, by interior shaft part, outer shaft part of being equipped with in proper order outside in the rolling element, the top of assembly pulley is equipped with the cable main part.

Preferably, a plurality of height positioning holes are vertically distributed on the surface of one side, close to the end part of the inner shaft fixing rod, of the fixing support, and the size in each height positioning hole is matched with that of the end part of the inner shaft fixing rod. In order to facilitate a certain height adaptation adjustment operation.

Preferably, the fixing bracket and the inner shaft fixing rod are respectively of a strip-shaped rod structure and a strip-shaped columnar structure. In order to ensure the normal and orderly process of the wire pulling process.

Preferably, the bridge main body is fixedly connected with the fixing support through a fixing clamp. In order to ensure the connection firmness of the bridge frame main body and the fixed bracket.

Preferably, a surface of the cable body is in close contact with a surface of the pulley block. In order to ensure a better durability of the cable body.

Preferably, a through groove matched with the inner shaft fixing rod is formed in the pulley block. For the stable connection of the pulley block and the inner shaft fixing rod.

The utility model has the advantages that: the utility model provides a certain auxiliary function for the wire drawing process of the cable main body by arranging the components such as the fixing bracket, the inner shaft fixing rod, the fixing clip and the pulley block in the bridge main body and matching with the rolling effect of the through groove in the use process, thereby saving labor, effectively solving the problems of difficult operation and inconvenient personnel operation when the original wire drawing process is carried out, simultaneously, the part of the cable main body drives the outer shaft part on the rolling body to rotate by the sliding contact with the upper surface of the pulley block when the cable main body is drawn, thereby reducing the friction on the surface of the cable main body when the wire is drawn, namely reducing the damage to the cable, solving the problems of easy damage to the cable when the original wire is drawn, causing product damage and increasing the operation cost, the utility model is suitable for the cable paying off of various bridges and cable ditches, has stronger universal matching performance, and has a certain degree, the working efficiency of the cable paying-off process of the bridge frame is improved.

Drawings

FIG. 1 is a schematic structural view of a front view portion of the cable paying-off process of the present invention;

FIG. 2 is a schematic structural view of the vertical part of the cable paying-off process of the present invention;

FIG. 3 is a schematic structural view of a cross-sectional part of the rolling element of the present invention;

fig. 4 is a detailed structural schematic diagram of the middle fixing clip part of the present invention.

Description of reference numerals:

1. a bridge frame body; 2. fixing a bracket; 3. an inner shaft fixing rod; 4. a through groove; 5. fixing the card;

6. a pulley block; 7. a cable body; 8. a height positioning hole; 9. a rolling body; 10. an outer shaft member;

11. an inner shaft member.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 4, the utility model provides a pulley device for paying off a cable of a bridge, which comprises a bridge main body 1, wherein a fixing bracket 2 is arranged at the inner side of the bridge main body 1, a fixing clip 5 is arranged at the top side of the fixing bracket 2, the fixing bracket 2 is provided with two parts which are symmetrically distributed, an inner shaft fixing rod 3 is arranged between the two fixing brackets 2, a pulley block 6 is arranged at the middle position of the outer side of the inner shaft fixing rod 3, a rolling body 9 is arranged on the pulley block 6, the pulley block 6 is in rolling connection with the inner shaft fixing rod 3 through the rolling body 9, an inner shaft part 11 and an outer shaft part 10 are sequentially arranged inside and outside the rolling body 9, a cable main body 7 is arranged above the pulley block 6, the fixing clips 5 are used at the two sides of the bridge main body 1 to fix the fixing bracket 2 of a paying off device at, then the inner shaft fixing rod 3 penetrating and connecting the pulley block 6 is fixed and assembled by selecting the design of the corresponding height matching with the height positioning hole 8 according to the depth of the bridge main body 1, then the normal and stable wire pulling operation can be carried out, when the personnel carries out the wire pulling process, the part of the cable main body 7 can drive the outer shaft part 10 on the rolling body 9 to rotate when pulling the wire, a certain auxiliary effect is provided for the wire pulling process of the cable main body 7, the labor is saved, the problems of difficult operation and inconvenient personnel operation when the original wire pulling treatment is effectively solved, the friction generated by the surface contact of the cable main body 7 when the wire is pulled can be greatly reduced, the damage to the cable main body 7 is reduced, the problems of easy damage to the cable main body 7 when the original wire is pulled, the product damage is caused, and the operation cost is increased are solved, the utility model is suitable for the cable paying off of various types of bridges and, the cable paying-off device has strong universal matching performance, and improves the working efficiency of the cable paying-off process of the bridge frame to a certain extent. The device is further explained according to the attached drawings.

Further, as shown in fig. 2, a plurality of height positioning holes 8 are vertically distributed on the surface of one side of the fixing support 2 close to the end part of the inner shaft fixing rod 3, the size in each height positioning hole 8 is matched with the size of the end part of the inner shaft fixing rod 3, the design of corresponding height matching with the height positioning holes 8 can be selected according to the depth of the bridge frame main body 1 for fixing and assembling, and the bridge frame has certain height adjusting capability.

Further, as shown in fig. 1 and 2, the fixing bracket 2 and the inner shaft fixing rod 3 are respectively a bar-shaped structure and a bar-shaped columnar structure, and the design of the bar-shaped structure and the bar-shaped columnar structure provides favorable conditions for the wire pulling process.

Further, as shown in fig. 1, 2, and 4, the bridge main body 1 and the fixing bracket 2 are fixedly connected by the fixing clip 5, and under the fixing action of the fixing clip 5, the connection firmness of the bridge main body 1 and the fixing bracket 2 is ensured.

Further, as shown in fig. 1 and 2, the surface of the cable main body 7 is in close contact with the surface of the pulley block 6, so that friction generated by the surface contact of the cable main body 7 during pulling can be reduced to a large extent, and damage to the cable main body 7 is reduced.

Further, as shown in the figures and 3, a through groove 4 matched with the inner shaft fixing rod 3 is formed in the pulley block 6, and the design of the through groove 4 ensures the normal and stable connection and rotation of the pulley block 6 and the inner shaft fixing rod 3.

The utility model discloses a theory of operation is: in the using process of the utility model, firstly, fixing clamps 5 are used on two sides of a bridge frame main body 1 to fix a fixing support 2 of a pay-off device at the inner side position of the bridge frame, the fixing support 2 is provided with two parts which are symmetrically distributed, then an inner shaft fixing rod 3 which is penetrated and connected in a pulley block 6 is fixedly assembled according to the design of a corresponding height matching height positioning hole 8 according to the depth of the bridge frame main body 1, then the normal and stable wire drawing operation can be carried out, when a person carries out the wire drawing process, the part of the cable main body 7 can drive an outer shaft part 10 on a rolling body 9 to rotate during the wire drawing, a certain auxiliary effect is provided for the wire drawing process of the cable main body 7, the labor is saved, the problem that the operation is difficult and the operation is inconvenient for the person is solved effectively, and the friction generated by the surface contact of the cable main body 7 during, reduce the destruction to cable main part 7 simultaneously, easily form the destruction to cable main part 7 when having solved original acting as go-between, cause the product to damage, increase the problem of operating cost, the utility model relates to a cable unwrapping wire that is applicable to each type crane span structure and cable pit has stronger logical match nature, to a certain extent, has improved crane span structure cable unwrapping wire process's work efficiency.

The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.

Claims

1. The utility model provides a pulley gear for crane span structure cable unwrapping wire, includes the crane span structure main part, its characterized in that, the inboard of crane span structure main part is provided with the fixed bolster, the top side of fixed bolster is provided with the fixing clip, the fixed bolster is provided with two parts altogether and is the symmetric distribution, two be provided with interior dead lever between the fixed bolster, the assembly pulley has been installed to the intermediate position department in the outside of interior dead lever, be equipped with the rolling element on the assembly pulley, pass through rolling element roll connection between assembly pulley and the interior dead lever, interior shaft part, outer shaft part are equipped with in proper order by inside and outside in the rolling element, the top of assembly pulley is equipped with the.

2. The pulley device for paying off a bridge cable as claimed in claim 1, wherein a plurality of height positioning holes are vertically distributed on a side surface of the fixing bracket close to the end head of the inner shaft fixing rod, and the size of each height positioning hole is matched with that of the end head of the inner shaft fixing rod.

3. The pulley apparatus of claim 1, wherein the fixing bracket and the inner shaft fixing rod are respectively a bar-shaped structure and a bar-shaped column-shaped structure.

4. The pulley apparatus of claim 1, wherein the bridge body is fixedly coupled to the mounting bracket by a retaining clip.

5. The pulley arrangement for payoff of a bridge cable of claim 1, wherein a surface of said cable body is in intimate contact with a surface of said pulley block.

6. The pulley device for paying off a bridge cable of claim 1, wherein a through groove matched with the inner shaft fixing rod is formed inside the pulley block.