CN219078743U

CN219078743U - Cable guiding frame

Info

Publication number: CN219078743U
Application number: CN202320072300.5U
Authority: CN
Inventors: 黄光武; 刘剑; 李燕平; 周泽群
Original assignee: Hunan Hinar Electric Co ltd
Current assignee: Hunan Hinar Electric Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-26
Anticipated expiration: 2033-01-09

Abstract

The utility model provides a cable guiding frame, which relates to cable winding and unwinding auxiliary equipment, and comprises: a top frame, two fixing plates are arranged below the top frame; two guide rails are respectively arranged on each fixed plate, and the two guide rails are positioned on the same virtual circle; the swing structure is arranged on each fixed plate and is positioned between the two guide rails, the swing structure comprises a swing rod and a buffer mechanism, the upper end of the swing rod is rotationally connected with the fixed plates, the buffer mechanism is arranged at the upper end of the swing rod and comprises two rotating wheels, the two rotating wheels slide on the two guide rails respectively, the distance between the two rotating wheels is variable, the rotating position of the swing rod and the fixed plates is lower than the center of a virtual circle, and when the swing rod swings right, the elasticity between a transmission wheel and the guide rails which move downwards is increased, the swing inertia of the swing rod is reduced, the buffer effect is achieved, and the condition that a cable is jumped is prevented.

Description

Cable guiding frame

Technical Field

The utility model relates to auxiliary equipment for winding and unwinding cables, in particular to a cable guide frame.

Background

The cable guide frame is auxiliary equipment used for a cable drum to pay-off and pay-off cables, and aims to prevent the cables from jumping to injure staff or cause cable breakage caused by sudden movement of the cables when the cables are paid-off and pay-off.

Patent CN101992975a discloses a cable guide with a buffer function, which needs to be started and stopped by a carrier when the cable guide plays a buffer function, and cannot play a buffer function when the carrier is stationary.

Therefore, a cable guide frame for buffering is lacking in the market, and the buffer function can be still exerted under the static state of the carrier, so that cables and workers are protected.

Disclosure of Invention

The utility model provides a cable guide frame, which aims to play a role in buffering cables in a static or moving state of a carrier and prevent the cables from being broken or injuring workers due to cable jumping.

In order to achieve the above object, an embodiment of the present utility model provides a cable guide including:

the top frame, there are two fixed plates below the top frame;

two guide rails are respectively arranged on each fixed plate, and the two guide rails are positioned on the same virtual circle;

the swing structure is arranged on each fixing plate and located between the two guide rails, the swing structure comprises a swing rod and a buffer mechanism, the upper ends of the swing rods are connected with the fixing plates in a rotating mode, the buffer mechanism is arranged at the upper ends of the swing rods, guide frames are further arranged at the bottom ends of the two swing rods, the buffer mechanism comprises two rotating wheels, the two rotating wheels slide on the two guide rails respectively, the distance between the two rotating wheels is variable, and the rotating connection position of the swing rods and the fixing plates is lower than the circle center of a virtual circle.

Preferably, the buffer mechanism further comprises a sleeve fixed at the upper end of the swing rod, telescopic rods are respectively arranged at two ends of the sleeve, the rotating wheels are arranged on the telescopic rods, and a spring is arranged between each telescopic rod and the sleeve to adjust the distance between the two rotating wheels.

Preferably, the swing rod is further provided with a detector for detecting the angle of the swing rod.

Preferably, guide wheels are arranged in the guide frame, two guide wheels are arranged, and the axial directions of the two guide wheels are perpendicular to the area swept by the swing rod during swing.

Preferably, a plurality of guide rollers are fixed between the two fixing plates, and the guide rollers are symmetrically arranged about the swing rod in a state that the swing rod naturally sags.

Preferably, the upper end of the guide rail is flush with the upper end of the fixed plate, the lower ends of the guide rails are arranged at intervals, two limiting blocks are further arranged on the fixed plate, and the included angle between the two limiting blocks and the rotation center of the swing rod is smaller than or equal to the included angle between the lower end of the guide rail and the rotation center of the swing rod.

The scheme of the utility model has the following beneficial effects:

in this application, the cable passes by the top frame and wears out by the guide frame, when the cable unwrapping wire, with cable equipment pulling cable, the pendulum rod swings rightwards through the pulling of cable this moment, the one rotation wheel of buffer gear moves down along guide rail this moment, another rotation wheel moves upwards along another guide rail, because the rotation center of pendulum rod is less than the centre of a circle of the virtual circle that guide rail is located, result in the pendulum rod when swinging rightwards, elasticity between downwardly moving's drive wheel and the guide rail increases, reduce the swing inertia of pendulum rod, play the effect of buffering, prevent the condition that the cable is beated.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a perspective view of the present utility model;

fig. 3 is a top view of the present utility model.

[ reference numerals description ]

1-top frame, 11-fixed plate, 12-guide roller, 21-pendulum rod, 22-buffer mechanism, 23-guide frame, 221-rotation wheel, 222-sleeve, 223-telescopic link, 3-detector, 4-stopper, 5-guide track.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 3, an embodiment of the present utility model provides a cable guiding frame, which includes a top frame 1, wherein the top frame 1 is used for installing the whole device on a carrier or other fixing devices, two fixing plates 11 are disposed below the top frame 1, the two fixing plates 11 are disposed at intervals, and a plurality of guiding rollers 12 are disposed between the two fixing plates 11, and the guiding rollers 12 are used for guiding the trend of a cable, so as to prevent the cable from being blocked.

The guide rails 5 are arranged on each fixing plate 11, the guide rails 5 are arc-shaped, the two guide rails 5 are positioned on the same virtual circle, the upper ends of the two guide rails 5 are flush with the upper ends of the fixing plates 11, the two guide rails 5 are arranged on the fixing plates 11 at intervals, and a swinging structure is arranged in an area where the two guide rails 5 are spaced.

The aforementioned swing structure includes a swing link 21 and a buffer mechanism 22, wherein the swing link 21 is rotatably disposed on the fixed plate 11, the rotation point of the swing link 21 is lower than the center of the virtual circle, the buffer mechanism 22 is disposed at the upper end of the swing link 21, and a guide frame 23 is disposed at the lower end of the swing link 21, where the guide frame 23 is used for guiding the downstream of the cable. The buffer structure includes two rotating wheels 221, a distance between the two rotating wheels 221 is variable, and when one of the rotating wheels 221 rotates downward, the distance between the rotating wheels 221 is reduced.

Specifically, the buffer structure includes a sleeve 222 fixed on the upper end of the swing rod 21, two ends of the sleeve 222 are respectively provided with a telescopic rod 223, the telescopic rods 223 can slide in the sleeve 222 towards the two ends of the sleeve 222, and the ends of the telescopic rods 223 extending out of the sleeve 222 are provided with the rotating wheels 221. Preferably, a shoulder is arranged at one end of the telescopic rod 223, which is positioned inside the sleeve 222, a stop shoulder is arranged inside the sleeve 222, which is close to two ends, and the stop shoulder stops the telescopic rod 223 from being separated from the sleeve 222. A spring is further arranged between the shoulder and the stop shoulder, the spring keeps the sleeve 222 and the telescopic rod 223 in a maximum extension state at all times, when the telescopic rod 223 receives a force pushing the telescopic rod 223 to move towards the inner direction of the sleeve 222, the telescopic rod 223 is retracted into the sleeve 222, and when the force is lost or reduced, the telescopic rod 223 extends out of the sleeve 222.

In this application, when the swing rod 21 rotates, because the rotation center of the swing rod 21 is lower than the center of the virtual circle, when one of the rotating wheels 221 moves downward, the guiding track 5 gradually applies a force for pushing the telescopic rod 223 to move toward the inside of the sleeve 222 to the rotating wheel 221, when the swing amplitude of the swing rod 21 is larger, the guiding track 5 applies a larger force to the swing wheel, so that inertia generated when the swing rod 21 is pulled by a cable is reduced, and a buffering effect is achieved. When the swing link 21 rotates in the other direction, the other rotating wheel 221 moves downward, and the principle thereof is the same as that described above.

Preferably, in order to ensure that the two rotating wheels 221 can smoothly slide into the guide rail 5, the maximum distance D between the two rotating wheels 221 is equal to the chord length D of the virtual circle, the chord passes through the rotation center of the swing link 21, and the swing link 21 is perpendicular to the chord when the swing link 21 naturally sags.

Further, a detector 3 is further disposed on the swing rod 21, and the detector 3 is used for detecting the swing angle of the swing rod 21.

The fixed plate 11 is also provided with two limiting blocks 4, the connecting line of the rotating center of one limiting block 4 and the swinging rod 21 and the connecting line of the other limiting block 4 and the rotating center of the swinging rod 21 form an included angle a, and the connecting line of the lower end of one guide track 5 and the rotating center of the swinging rod 21 and the lower end of the other guide track 5 and the sword training of the rotating center of the swinging rod 21 form an included angle b, wherein the included angle a is smaller than or equal to the included angle b.

Preferably, guide wheels are arranged in the guide frame 23, two guide wheels are arranged, a gap for a cable to pass through is reserved between the two guide wheels, and the axial directions of the two guide wheels are perpendicular to the area swept by the swing rod 21 when the swing rod swings.

Preferably, a plurality of guide rollers 12 are further provided between the two fixing plates 11, and the guide rollers 12 are symmetrically disposed with respect to the swing link 21 in a state in which the swing link 21 naturally sags, and do not interfere with the swing of the swing link 21.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims

1. A cable guide frame, comprising:

the device comprises a top frame (1), wherein two fixing plates (11) are arranged below the top frame (1);

the arc-shaped guide rails (5) are respectively arranged on each fixing plate (11), and the two guide rails (5) are positioned on the same virtual circle;

swing structure sets up respectively on every fixed plate (11) and lie in between two guide rail (5), swing structure includes pendulum rod (21) and buffer gear (22), the upper end of pendulum rod (21) with fixed plate (11) rotate and are connected, buffer gear (22) set up the upper end at pendulum rod (21), two the bottom of pendulum rod (21) still is provided with guide frame (23), buffer gear (22) include two rotation wheel (221), two rotation wheel (221) are respectively on two guide rail (5) slide, and the distance between two rotation wheel (221) is variable, pendulum rod (21) with the rotation junction of fixed plate (11) is less than the centre of a circle of virtual circle.

2. The cable guide rack of claim 1, wherein: the buffer mechanism (22) further comprises a sleeve (222) fixed at the upper end of the swing rod (21), telescopic rods (223) are respectively arranged at two ends of the sleeve (222), the rotating wheels (221) are arranged on the telescopic rods (223), and a spring is arranged between each telescopic rod (223) and the sleeve (222) to adjust the distance between the two rotating wheels (221).

3. A cable guide according to claim 1 or 2, wherein: the swing rod (21) is also provided with a detector (3) for detecting the angle of the swing rod (21).

4. The cable guide rack of claim 1, wherein: guide wheels are arranged in the guide frame (23), two guide wheels are arranged, and the axial directions of the two guide wheels are perpendicular to the area swept by the swing rod (21) during swing.

5. The cable guide rack of claim 1, wherein: a plurality of guide rollers (12) are fixed between the two fixing plates (11), and the guide rollers (12) are symmetrically arranged relative to the swing rod (21) in a state that the swing rod (21) naturally sags.

6. The cable guide rack of claim 1, wherein: the upper end of the guide rail (5) is flush with the upper end of the fixed plate (11), the lower ends of the guide rail (5) are arranged at intervals, two limiting blocks (4) are further arranged on the fixed plate (11), and the included angle between the two limiting blocks (4) and the rotation center of the swing rod (21) is smaller than or equal to the included angle between the lower end of the guide rail (5) and the rotation center of the swing rod (21).