CN219498740U

CN219498740U - Tower body supporting top pulley for extra-high voltage

Info

Publication number: CN219498740U
Application number: CN202223191622.6U
Authority: CN
Inventors: 甄雷肖; 黄旭辉; 吴朝旭; 张倩; 许波; 李永智; 赵美玲; 闫顺利
Original assignee: Beijing Electric Energy Co ltd
Current assignee: Beijing Electric Energy Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-08-08
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a tower body supporting pulley for extra-high voltage, which comprises a positioning locking mechanism, wherein a movable connecting mechanism is fixedly connected above the positioning locking mechanism, and one side of the movable connecting mechanism, which is far away from the positioning locking mechanism, is rotatably connected with a pulley traction mechanism; the outside of the pulley traction mechanism is fixedly connected with a deviation correcting mechanism; according to the utility model, the correcting mechanism is additionally arranged at the front part of the pulley bracket, when the traction rope is pulled, the correcting mechanism can ensure that the traction rope cannot slip off when the traction rope is pulled to the side direction, and the correcting mechanism can drive the pulley bracket to rotate, so that the rotating effect of the pulley bracket is improved; the side wall of the pulley bracket is provided with the sliding groove, the spring is arranged in the sliding groove, so that the pulley bracket can be adapted to traction ropes with different diameters, and the pulley can be pressed down when the traction ropes are pulled, and the traction ropes can be pulled conveniently.

Description

Tower body supporting top pulley for extra-high voltage

Technical Field

The utility model relates to the technical field of traction transition tools, in particular to a tower body supporting pulley for extra-high voltage.

Background

When the high-voltage transmission line is constructed, the traction rope is generally put on the tower body to slide in the traction process, so that the traction rope is often not smooth due to too large friction force, and meanwhile, the traction rope is worn, the service life of the traction rope is shortened, and even accidents of abrasion and breakage of the traction rope are caused; in addition, if the control is improper, the traction rope can also slide sideways, and even accidents occur; the existing supporting pulley is not suitable for traction ropes with different diameters, the problem that the traction ropes cannot pass through gaps between pin shaft sleeves and pulleys exists, and the phenomenon that the traction ropes cannot be easily pulled due to thicker traction ropes exists when the traction ropes are pulled; or friction between the traction rope and the side wall of the pulley bracket occurs.

Disclosure of Invention

The utility model aims to provide a tower body supporting top pulley for extra-high voltage so as to solve the problems in the prior art.

In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a tower body supporting pulley for extra-high voltage, which comprises a positioning and locking mechanism, wherein a movable connecting mechanism is fixedly connected above the positioning and locking mechanism, and one side, far away from the positioning and locking mechanism, of the movable connecting mechanism is rotationally connected with a pulley traction mechanism; the outside of the pulley traction mechanism is fixedly connected with a deviation correcting mechanism;

the positioning locking mechanism comprises a U-shaped plate, and a locking screw rod is connected with the plate body of the U-shaped plate in a threaded manner;

the movable connecting mechanism comprises a support, the support is fixedly connected with the U-shaped plate, and a rotating pin is detachably connected to the upper part of the support;

the pulley traction mechanism comprises a pulley bracket, the middle part of the pulley bracket is rotationally connected with a pulley, and the upper part of the pulley bracket is fixedly connected with a limiting pin shaft;

the correcting mechanism comprises two groups of limiting rotating rollers and a fixing frame for supporting the limiting rotating rollers, and the fixing frame is fixedly connected with one side of the pulley support.

Preferably, the U-shaped plate is transversely arranged below the support, a side wall of the U-shaped plate, which is far away from the support, is in threaded connection with the locking screw rod, and the locking screw rod penetrates through the U-shaped plate; the support is fixedly connected to the outside of the side wall above the U-shaped plate.

Preferably, the rotating pin is detachably connected with the support, and a pin body of the rotating pin penetrates through the bottom of the pulley and is rotatably connected with the pulley bracket.

Preferably, the pulley support is U-shaped, sliding grooves are formed in two side walls of the pulley support, springs are fixedly connected to the bottoms of the inner sides of the sliding grooves, one ends of the springs, away from the bottoms of the sliding grooves, are abutted against cross bars, and the cross bars are in sliding connection with the sliding grooves; the pulley is rotatably connected with the cross rod.

Preferably, the pin body of the rotating pin in the pulley bracket is sleeved with a pin shaft sleeve, and the pin shaft sleeve and the rotating pin rotate.

Preferably, the two groups of limit rotating rollers are arranged up and down, and a gap is reserved between the two groups of limit rotating rollers; one group of limiting rotating rollers are fixedly connected with one side of the pulley support through a first supporting rod, and the other group of limiting rotating rollers are fixedly connected with one side of the pulley support through a second supporting rod so as to drive the first supporting rod to be fixedly connected with the second supporting rod through a fixing rod.

Preferably, one end of the locking screw, which is far away from the U-shaped plate, is fixedly connected with a circular ring.

The utility model discloses the following technical effects: according to the utility model, the correcting mechanism is additionally arranged at the front part of the pulley bracket, when the traction rope is pulled, the correcting mechanism can ensure that the traction rope cannot slip off when the traction rope is pulled to the side direction, and the correcting mechanism can drive the pulley bracket to rotate, so that the rotating effect of the pulley bracket is improved; the side wall of the pulley bracket is provided with the sliding groove, the spring is arranged in the sliding groove, so that the pulley bracket can be adapted to traction ropes with different diameters, and the pulley can be pressed down when the traction ropes are pulled, and the traction ropes can be pulled conveniently.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an isometric view of a roof block body of the present utility model;

FIG. 2 is a front view of the body of the roof sled of the present utility model;

FIG. 3 is a schematic view of the overall structure of the roof sled of the present utility model;

FIG. 4 is a schematic diagram of the mechanism at A-A in FIG. 3;

FIG. 5 is a schematic diagram of a deviation rectifying mechanism according to the present utility model.

Wherein: 1. positioning and locking mechanism; 101. a U-shaped plate; 102. locking the screw rod; 2. a movable connecting mechanism; 201. a support; 202. a rotation pin; 3. a pulley traction mechanism; 301. a pulley bracket; 302. a pin sleeve; 303. a pulley; 304. a cross bar; 305. limiting pin shafts; 4. a circular ring; 5. a chute; 6. a spring; 7. a first strut; 8. limiting the rotating roller; 9. a fixed rod; 10. and a second support rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to figures 1-5, the utility model provides a tower body supporting pulley for extra-high voltage, which comprises a positioning and locking mechanism 1, wherein a movable connecting mechanism 2 is fixedly connected above the positioning and locking mechanism 1, and a pulley traction mechanism 3 is rotatably connected to one side, far away from the positioning and locking mechanism 1, of the movable connecting mechanism 2; the outside of the pulley traction mechanism 3 is fixedly connected with a deviation correcting mechanism; according to the utility model, the correction mechanism is additionally arranged at the front part of the pulley bracket 301, when the traction rope is pulled, the correction mechanism can ensure that the traction rope cannot slip off when the traction rope is pulled laterally, and the correction mechanism can drive the pulley bracket 301 to rotate, so that the rotating effect of the pulley bracket 301 is improved; in addition, the side wall of the pulley bracket 301 is provided with the sliding groove 5, the spring 6 is arranged in the sliding groove 5, so that the pulley bracket can adapt to traction ropes with different diameters, and the pulley 303 can be pressed down when the traction ropes are pulled, so that the traction ropes can be pulled conveniently.

The positioning and locking mechanism 1 comprises a U-shaped plate 101, and a locking screw 102 is connected with the plate body of the U-shaped plate 101 in a threaded manner; the U-shaped plate 101 is transversely arranged below the support 201, one side wall, away from the support 201, of the U-shaped plate 101 is in threaded connection with the locking screw 102, and the locking screw 102 penetrates through the U-shaped plate 101; the support 201 is fixedly attached to the outside of the upper side wall of the U-shaped board 101. The locking screw 102 is kept away from the one end fixedly connected with ring 4 of U template 101. The ring 4 can be provided with a traction rope in a penetrating way for integrating the device on the extra-high voltage tower. The ring 4 can be replaced according to the diameter of the hauling rope.

The movable connecting mechanism 2 comprises a support 201, the support 201 is fixedly connected with the U-shaped plate 101, and a rotating pin 202 is detachably connected to the upper part of the support 201; the rotating pin 202 can ensure that the pulley bracket 301, the support 201 and the U-shaped plate 101 rotate relatively, and the traction rope is prevented from rubbing the side wall of the pulley 303.

The pulley traction mechanism 3 comprises a pulley bracket 301, a pulley 303 is rotatably connected to the middle part of the pulley bracket 301, and a limit pin 305 is fixedly connected to the upper part of the pulley bracket 301; the rotation pin 202 is detachably connected with the support 201, and the pin body of the rotation pin 202 penetrates through the bottom of the pulley 303 and is rotatably connected with the pulley bracket 301. The pulley support 301 is U-shaped, two side walls of the pulley support 301 are provided with sliding grooves 5, the bottom of the inner side of each sliding groove 5 is fixedly connected with a spring 6, one end of the spring 6 away from the bottom of the sliding groove 5 is in contact with the cross rod 304, and the cross rod 304 is in sliding connection with the sliding groove 5; pulley 303 is rotatably connected to cross bar 304. The pin body of the rotating pin 202 positioned in the pulley bracket 301 is sleeved with a pin sleeve 302, and the pin sleeve 302 and the rotating pin 202 rotate. The pulley 303 moves along the chute 5, so that the distance between the pulley 303 and the limiting pin shaft 305 can be adjusted, the pulling rope can be conveniently threaded, and the smoothness of the pulling rope can be improved when the pulling rope is pulled.

The deviation correcting mechanism comprises two groups of limiting rotating rollers 8 and a fixing frame for supporting the limiting rotating rollers 8, and the fixing frame is fixedly connected with one side of the pulley bracket 301. The two groups of limit rotating rollers 8 are arranged up and down, and gaps are reserved between the two groups of limit rotating rollers 8; one group of limiting rotating rollers 8 are fixedly connected with one side of the pulley support 301 through the first supporting rod 7, the other group of limiting rotating rollers 8 are fixedly connected with one side of the pulley support 301 through the second supporting rod 10, and the first supporting rod and the second supporting rod are driven to be fixedly connected through the fixing rod 9. The correction mechanism can clamp the traction rope between the two groups of limiting rotating rollers 8, so that the traction rope cannot slip off the two groups of limiting rotating rollers 8; and when the traction rope is pulled in the lateral direction, the deviation rectifying mechanism can drive the pulley support 301 to move in the lateral direction when receiving the lateral force, so that the pulley support 301 is guaranteed to rotate in time, and friction between the traction rope and the side wall of the pulley support 301 is prevented.

The working process comprises the following steps: firstly, penetrating a traction rope into the circular ring 4, and lifting a supporting pulley to a tower body by using the traction rope; then, the U-shaped plate is clamped on angle steel at a certain position of the tower body and is locked by a locking screw 102; and opening the limiting pin shaft 305, putting the traction rope on the pulley 303, locking the limiting pin shaft 305, and then threading the traction rope between the two groups of limiting rotating rollers 8, wherein the threading of the traction rope is completed. Thus, the traction rope is limited between the pulley 303 and the limiting pin shaft 305, and the traction rope can longitudinally and smoothly slide without sliding sideways, so that traction work can be performed.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. The utility model provides a tower body roof supporting pulley for extra-high voltage which characterized in that: the device comprises a positioning and locking mechanism (1), wherein a movable connecting mechanism (2) is fixedly connected above the positioning and locking mechanism (1), and a pulley traction mechanism (3) is rotatably connected on one side, away from the positioning and locking mechanism (1), of the movable connecting mechanism (2); the outside of the pulley traction mechanism (3) is fixedly connected with a deviation correcting mechanism;

the positioning and locking mechanism (1) comprises a U-shaped plate (101), and a locking screw (102) is connected with the plate body of the U-shaped plate (101) in a threaded manner;

the movable connecting mechanism (2) comprises a support (201), the support (201) is fixedly connected with the U-shaped plate (101), and a rotating pin (202) is detachably connected to the upper portion of the support (201);

the pulley traction mechanism (3) comprises a pulley bracket (301), a pulley (303) is rotatably connected to the middle part of the pulley bracket (301), and a limit pin shaft (305) is fixedly connected to the upper part of the pulley bracket (301);

the correcting mechanism comprises two groups of limiting rotating rollers (8) and a fixing frame for supporting the limiting rotating rollers (8), and the fixing frame is fixedly connected with one side of the pulley support (301).

2. The extra-high voltage tower body supporting head pulley according to claim 1, wherein: the U-shaped plate (101) is transversely arranged below the support (201), one side wall, far away from the support (201), of the U-shaped plate (101) is in threaded connection with the locking screw (102), and the locking screw (102) penetrates through the U-shaped plate (101); the support (201) is fixedly connected to the outside of the side wall above the U-shaped plate (101).

3. The extra-high voltage tower body supporting head pulley according to claim 1, wherein: the rotating pin (202) is detachably connected with the support (201), and a pin body of the rotating pin (202) penetrates through the bottom of the pulley (303) and is rotatably connected with the pulley bracket (301).

4. The extra-high voltage tower body supporting head pulley according to claim 1, wherein: the pulley support (301) is U-shaped, sliding grooves (5) are formed in two side walls of the pulley support (301), springs (6) are fixedly connected to the bottoms of the inner sides of the sliding grooves (5), one ends, away from the bottoms of the sliding grooves (5), of the springs (6) are abutted against cross bars (304), and the cross bars (304) are in sliding connection with the sliding grooves (5); the pulley (303) is rotatably connected with the cross bar (304).

5. The extra-high voltage tower body supporting head pulley according to claim 1, wherein: the rotating pin (202) is arranged on a pin body in the pulley bracket (301) in a sleeved mode, a pin shaft sleeve (302) is arranged on the pin body in a sleeved mode, and the pin shaft sleeve (302) and the rotating pin (202) rotate.

6. The extra-high voltage tower body supporting head pulley according to claim 1, wherein: the two groups of limit rotating rollers (8) are arranged up and down, and a gap is reserved between the two groups of limit rotating rollers (8); one group of limiting rotating rollers (8) are fixedly connected with one side of the pulley support (301) through a first supporting rod (7), the other group of limiting rotating rollers (8) are fixedly connected with one side of the pulley support (301) through a second supporting rod (10), and the first supporting rod (7) and the second supporting rod (10) are fixedly connected through a fixing rod (9).

7. The extra-high voltage tower body supporting head pulley according to claim 1, wherein: one end of the locking screw rod (102) far away from the U-shaped plate (101) is fixedly connected with a circular ring (4).