CN210224804U

CN210224804U - Bridge threading traction device convenient to use

Info

Publication number: CN210224804U
Application number: CN201921443389.1U
Authority: CN
Inventors: Gaojian Han; 韩高建
Original assignee: Zhenjiang Su Hai Electric Power Technology Co Ltd
Current assignee: Zhenjiang Su Hai Electric Power Technology Co Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-03-31
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a convenient bridge threading traction device, which comprises a bridge, a fixed plate and a fixed loop bar, wherein the inside of the bridge is movably sleeved with a fixed frame; the utility model discloses an oblique runner in four slip landing legs, can support under first reset spring's spring action and locate in crane span structure bottom gap, because slip landing leg can slide in the spout along with the crane span structure width, four oblique runners of event slip landing leg cooperation can support the device in the crane span structure of different width, when meetting crane span structure department of buckling, four oblique runners support the gap department of buckling at the crane span structure, rotation through first motor and second motor, drive oblique runner, first gyro wheel and second gyro wheel rotate, make the cable in the draw gear pulling lifting rope advance, this device is whole automatic to pull the antedisplacement to the cable, it crosses the department of buckling to need not artifical round trip control draw gear, the waste of manpower resources has been reduced, draw gear's practicality has been improved.

Description

Bridge threading traction device convenient to use

Technical Field

The utility model relates to a technical field of crane span structure specifically is a crane span structure threading draw gear convenient to use.

Background

The 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 is composed of a support, a support arm, an installation accessory and the like. Can be independently erected and also can be laid on various buildings and pipe rack supports, and has the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like. The cable bridge is used as a matched project of wiring engineering, no special standard guidance is provided, and the specification form of each manufacturer lacks universality, so that the applicable bridge is reasonably selected according to the type and the quantity of cables of each electrical system in the design and selection process. The load of the cable bridge is divided into static load, dynamic load and additional load. When the bridge is installed, a threading traction device is needed to penetrate a cable through the bridge, and the existing bridge threading traction device is complete, but has some defects in the use process.

The existing bridge threading traction device can mostly carry out linear traction on cables, the bending positions of some bridges are required to be manually controlled back and forth to cross the bending positions, the bending positions need to be manually regulated at each time, manpower resources are wasted, and the existing part of bridge threading traction device cannot be suitable for bridges with different widths, so that the requirements of the prior art cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crane span structure threading draw gear convenient to use to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a convenient-to-use bridge threading traction device comprises a bridge, a fixing plate and a fixed loop bar, wherein a fixing frame is movably sleeved inside the bridge, two sliding grooves which are symmetrically distributed are formed in the bottom of the fixing frame, two sliding support legs are slidably sleeved on the inner wall of each sliding groove, a first reset spring is welded between the outer walls of the two sliding support legs, an inclined rotating wheel is rotatably sleeved at the bottom ends of the sliding support legs and abuts against the corner of the bottom of the inner wall of the bridge, the fixing plate is welded on one side of the bottom end of each sliding support leg, a first motor is fixedly installed on one side of the fixing plate through a bolt, a first roller is fixedly sleeved at the output end of the first motor, the outer wall of the first roller is in contact with the bottom of the inner wall of the bridge, the fixed loop bar is welded on two sides of the, the sliding rod is slidably sleeved on the inner wall of the fixed loop bar, a second motor is fixedly mounted on one side of the top of the fixed loop bar through a bolt, a second roller is fixedly sleeved on the top of the output end of the second motor, and the outer wall of the second roller is in contact with the inner wall of the bridge.

Preferably, the bottom of the fixing frame is wound with a lifting rope.

Preferably, a storage battery is fixedly installed in a square hole formed in the center of the top of the fixing frame through a bolt.

Preferably, the first motor and the second motor are both electrically connected with the storage battery.

Preferably, the storage battery is electrically connected with an external power supply.

Preferably, the fixed frame, the sliding support legs and the fixed loop bar form a large shape.

Compared with the prior art, the beneficial effects of the utility model are that:

the oblique rotating wheels in the four sliding support legs of the utility model can be supported at the gap at the bottom of the bridge frame under the elastic force action of the first reset spring, because the sliding support legs can slide in the sliding groove along with the width of the bridge frame, the four sliding support legs are matched with the four oblique rotating wheels to support the device in the bridge frames with different widths, when the device meets the bending part of the bridge frame, the elastic force of the second reset spring in the fixed loop bar can push out the sliding bar to press the second roller on the inner wall of the bridge frame, the four oblique rotating wheels are supported at the gap of the bending part of the bridge frame, the oblique rotating wheels, the first roller and the second roller are driven to rotate by the rotation of the first motor and the second motor, so that the traction device can pull the cable in the lifting rope to move forwards, thereby the traction device can continuously pull the cable at the bending part of the bridge frame, the device automatically pulls the cable forwards in the whole course, the traction device does not, the waste of manpower resources is reduced, and the practicability of the traction device is improved.

Drawings

FIG. 1 is a front sectional view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 3 is a top view of the bridge frame of the present invention.

In the figure: 101-a bridge frame; 102-a fixed mount; 103-a storage battery; 104-a lifting rope; 105-a chute; 106-sliding legs; 107-oblique rotating wheel; 108-a first return spring; 201-fixing plate; 202-a first electric machine; 203-a first roller; 301-fixing the loop bar; 302-a second return spring; 303-sliding bar; 304-a second electric machine; 305-second roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a bridge threading traction device convenient to use comprises a bridge 101, a fixing plate 201 and a fixing sleeve rod 301, wherein a fixing frame 102 is movably sleeved inside the bridge 101, the fixing frame 202 can be taken out from a through position on one side of the bridge 101, two sliding grooves 105 which are symmetrically distributed are formed in the bottom of the fixing frame 102, two sliding legs 106 are slidably sleeved on the inner wall of each sliding groove 105, the two sliding legs 106 can slide in the corresponding sliding groove 105 according to the width in the bridge 101, a first reset spring 108 is welded between the outer walls of the two sliding legs 106, the two sliding legs 106 are extruded to one side by the elastic force of the first reset spring 108, an inclined rotating wheel 107 is rotatably sleeved at the bottom end of each sliding leg 106, the inclined rotating wheel 107 abuts against a corner at the bottom of the inner wall of the bridge 101, the inclined rotating wheel 107 is rotatably sleeved at a gap at the bottom of the inner wall of the bridge 101, the fixing plate 201 is, the fixing plate 201 can support the first motor 202, a first roller 203 is fixedly sleeved at the output end of the first motor 202, the first roller 203 can enhance the pushing force of the device and is convenient for the device to pull a cable to move, the outer wall of the first roller 203 is contacted with the bottom of the inner wall of the bridge frame 101, fixing loop bars 301 are welded at two sides of the outer wall of the bridge frame 101, a second reset spring 302 is welded at the inner wall of the fixing loop bars 301, a sliding bar 303 is welded at one end of the second reset spring 302, the elastic force of the second reset spring 302 can push the sliding bar 303 to one side, the sliding bar 303 is slidably sleeved on the inner wall of the fixing loop bars 301, the sliding bar 303 can slide in the fixing loop bars 301 without separation, a second motor 304 is fixedly installed at one side of the top of the fixing loop bars 301 through bolts, a second roller 305 is fixedly sleeved at the top of the output end of the second motor 304, and, the second roller 305 after rotating can drive the device to move forwards, and the outer walls of the first roller 203 and the second roller 305 are wrapped by anti-slip rubber sleeves, so that the friction force between the first roller 203 and the bridge frame 101 can be enhanced.

The bottom of the fixing frame 102 is wound with a lifting rope 104, one end of the lifting rope 104 can be bound with a cable, the cable is convenient to pull, a storage battery 103 is fixedly installed in a square hole formed in the center of the top of the fixing frame 102 through bolts, the storage battery can continuously supply power to a plurality of motors, the first motor 202 and the second motor 304 are both electrically connected with the storage battery 103, the storage battery 103 is electrically connected with an external power supply, the storage battery 103 can be charged through a USB interface, and the fixing frame 102, the sliding support legs 106 and the fixing sleeve rod 301 form a large shape as shown in figure 1.

The working principle is as follows: the utility model discloses a crane span structure threading draw gear convenient to use, slide the device into crane span structure 101 inner wall, oblique gyro wheel 107 in four sliding leg 106 can support the device in the crane span structure 101 of different width under the elastic force effect of first reset spring 108, because sliding leg 106 can slide in spout 105 along with the crane span structure width, four sliding leg 106 cooperation four oblique gyro wheels 107 can support the device in the crane span structure 101 of different width, second gyro wheel 305 can push down at the crane span structure 101 inner wall in the elasticity of the second reset spring 302 in fixed loop bar 301, when meeting crane span structure 101 buckling department, the great second gyro wheel 304 in buckling department clearance can part with crane span structure 101 inner wall, the elasticity of the second reset spring 302 in fixed loop bar 301 can release slide bar 303 at this moment, make the second gyro wheel 305 on slide bar 303 press at the crane span structure 305 inner wall once more, four oblique gyro wheels 107 also support at the gap that crane span structure 101 buckles once more, through the rotation of first motor 202 and second motor 304, drive skewed turning wheel 107, first gyro wheel 203 and second gyro wheel 305 and rotate, make the cable in draw gear pulling lifting rope 104 carry out the antedisplacement to make draw gear continuously pull the cable in crane span structure 101 department of buckling, the antedisplacement is pulled to the cable in this device whole journey is automatic, need not artifical round trip control draw gear and cross the department of buckling, reduced manpower resources's waste, improved draw gear's practicality.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a crane span structure threading draw gear convenient to use, includes crane span structure (101), fixed plate (201) and fixed loop bar (301), its characterized in that: the inner movable sleeve of the bridge frame (101) is provided with a fixed frame (102), two sliding grooves (105) which are symmetrically distributed are formed in the bottom of the fixed frame (102), two sliding support legs (106) are slidably sleeved on the inner wall of each sliding groove (105), a first reset spring (108) is welded between the outer walls of the two sliding support legs (106), an oblique rotating wheel (107) is rotatably sleeved at the bottom end of each sliding support leg (106), the oblique rotating wheel (107) abuts against the corner of the bottom of the inner wall of the bridge frame (101), a fixed plate (201) is welded at one side of the bottom end of each sliding support leg (106), a first motor (202) is fixedly installed at one side of the fixed plate (201) through bolts, a first roller (203) is fixedly sleeved at the output end of the first motor (202), the outer wall of the first roller (203) is contacted with the bottom of the inner, fixed loop bar (301) inner wall welding has second reset spring (302), second reset spring (302) one end welding has slide bar (303), slide bar (303) sliding sleeve is at fixed loop bar (301) inner wall, there is second motor (304) fixed loop bar (301) top one side through bolt fixed mounting, the fixed cover in second motor (304) output top has second gyro wheel (305), second gyro wheel (305) outer wall contacts with crane span structure (101) inner wall.

2. The bridge threading traction device convenient to use of claim 1, wherein: a lifting rope (104) is wound at the bottom of the fixed frame (102).

3. The bridge threading traction device convenient to use of claim 2, wherein: and a storage battery (103) is fixedly arranged in a square hole formed in the center of the top of the fixing frame (102) through a bolt.

4. The bridge threading traction device convenient to use of claim 3, wherein: the first motor (202) and the second motor (304) are both electrically connected with the storage battery (103).

5. The bridge threading traction device convenient to use of claim 4, wherein: the storage battery (103) is electrically connected with an external power supply.

6. The bridge threading traction device convenient to use of claim 1, wherein: the fixed frame (102), the sliding support legs (106) and the fixed loop bar (301) form a big shape.