CN214069381U

CN214069381U - Steering pulley

Info

Publication number: CN214069381U
Application number: CN202120046571.4U
Authority: CN
Inventors: 彭金刚; 李智慧; 李鹏; 徐溧; 邝江华; 邹德华; 刘兰兰; 朱伟; 罗昌宏; 刘侃; 吴志田
Original assignee: State Grid Hunan Electric Power Co ltd Power Transmission Overhaul Branch; State Grid Corp of China SGCC; State Grid Hunan Electric Power Co Ltd
Current assignee: State Grid Hunan Electric Power Co ltd Power Transmission Overhaul Branch; State Grid Corp of China SGCC; State Grid Hunan Electric Power Co Ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-08-27
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a turn to coaster, including clamping subassembly and loose pulley assembly, loose pulley assembly includes U type pulley groove, the S-shaped main pothook that the subassembly was arranged including the level is clamped, horizontal slidable mounting is in the T shape pole setting on S-shaped main pothook, vertical slidable mounting is at the supplementary pothook in T shape pole setting, lock nut with T shape pole setting threaded connection, two main draw-in grooves are followed the level to arranging on the S-shaped main pothook, the supplementary draw-in groove of supplementary pothook is towards the vertical arrangement of S-shaped main pothook, the main draw-in groove is arranged in to the angle steel horizontal segment between T shape pole setting, the angle steel vertical section is arranged in between supplementary draw-in groove and S-shaped main pothook, lock nut rotation drives T shape pole setting and assists the horizontal segment and the vertical section of pothook synchronous locking fixed angle steel on S-shaped main pothook, U type pulley groove closing end rotates through the pivot that the level was arranged and connects in S-shaped main pothook one side. The utility model discloses only need change the upper and lower orientation of S-shaped main pothook and change the upper and lower order of S-shaped main pothook and assistance pothook in the pole setting of T shape, just can the full range fix a position.

Description

Steering pulley

Technical Field

The utility model relates to an electric power overhauls equipment technical field, especially relates to a coaster that turns to that transmission line passes through tower transmission multiplexer utensil about insulating transmission rope suitable for 110 kilovolts and above.

Background

In the daily live working of the power transmission line, tasks such as replacing the whole string of insulators, repairing the overhead ground wire and the like are often required, and when the tasks such as replacing the whole string of insulators, repairing the overhead ground wire and the like are performed, tools or required materials need to be transferred up and down through the insulating rope, and the mutual grinding of the insulating rope and the angle steel at the cross arm of the iron tower is caused due to the limitation of factors such as the structure of the iron tower or the terrain on site. In order to ensure that the insulating property of the insulating rope is not influenced and avoid the abrasion of the angle steel to the insulating rope, when the insulating rope is arranged, a steering pulley needs to be installed at the angle steel of the cross arm of the iron tower, so that the insulating rope can be reasonably arranged.

At present, a steering tackle is generally fixed on angle iron tower steel by using a hanging strip or a steel wire rope, the steel wire rope or the hanging strip tied on the angle iron tower steel can slide after being stressed, the angle iron tower and the steel wire rope are abraded, the safety is poor, the insulating rope can be in large-area contact with tower materials of the angle iron tower after the position is changed, the abrasion of the insulating rope in the stress is serious, and the safety risk exists.

In order to avoid the above risks, as shown in chinese patent No. CN 209046129U, people invented a steering pulley that can be fastened to the angle steel of the cross arm of the iron tower. Through long-term use practice, the fact that the insulation rope can be prevented from being abraded by the angle steel through the steering pulley is found, but the clamping buckles, the movable seat and the clamping rings are integrally arranged and the connection direction is fixed, so that the guide direction of the insulating rope by the pulleys is limited, especially when the internal corners of the angle steel are arranged outwards, the insulation rope cannot be installed basically, and the use range is limited greatly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide one kind and can avoid the angle steel to the wearing and tearing of insulating rope, can be fit for again that the multiple installation angle of insulating rope uses turns to the coaster.

The utility model provides a steering pulley, which comprises a clamping component and a pulley component, wherein the pulley component comprises a U-shaped pulley groove and a main pulley rotatably arranged in the opening end of the U-shaped pulley groove, the clamping component comprises an S-shaped main clamping hook arranged horizontally, a T-shaped vertical rod arranged on the S-shaped main clamping hook in a horizontally sliding mode, an auxiliary clamping hook arranged on the T-shaped vertical rod in a vertically sliding mode, and a locking nut in threaded connection with the T-shaped vertical rod, wherein two main clamping grooves are arranged on the S-shaped main clamping hook along the horizontal direction, the auxiliary clamping grooves of the auxiliary clamping hooks are arranged vertically towards the S-shaped main clamping hook, an angle steel horizontal section is arranged between the main clamping grooves and the T-shaped vertical rod, an angle steel vertical section is arranged between the auxiliary clamping grooves and the S-shaped main clamping hook, the locking nut rotates to drive the T-shaped vertical rod and the auxiliary clamping hook to synchronously lock and fasten a horizontal section and a vertical section of angle steel on the S-shaped main clamping hook, and the closed end of the U-shaped pulley groove is connected to one side of the S-shaped main clamping hook through a rotating shaft arranged horizontally.

In order to facilitate the quick assembly of the clamping component, the two main clamping grooves are arranged at the left end and the right end of the S-shaped main clamping hook in a central symmetry mode, a long hole is formed in the S-shaped main clamping hook between the two main clamping grooves and arranged along the left direction and the right direction of the S-shaped main clamping hook, the T-shaped vertical rod penetrates through the long hole to be in threaded connection with the locking nut, the auxiliary clamping groove is sleeved on the T-shaped vertical rod between the locking nut and the S-shaped main clamping hook, and the T-shaped vertical rod is connected to the S-shaped main clamping hook in a mode that the left position and the right position of the T-shaped vertical rod are adjustable through the long hole.

In order to facilitate the position adjustment of the clamping component, a positioning clamp is sleeved between a T-shaped head of the T-shaped vertical rod and the S-shaped main clamping hook, sawtooth surfaces which are mutually meshed are arranged on the butt joint surface of the S-shaped main clamping hook and the positioning clamp, the S-shaped main clamping hook, the auxiliary clamping hook and the locking nut are connected into a whole through the T-shaped vertical rod, and the T-shaped vertical rod, the positioning clamp, the auxiliary clamping hook and the locking nut can finely adjust the left position and the right position on the S-shaped main clamping hook along the sawtooth surfaces.

Be equipped with the blocked mechanical system that is used for preventing insulating rope from taking off the groove at U type pulley groove open end, be equipped with outside extension arm along with extending on a branch arm in U type pulley groove, blocked mechanical system is including articulating the L shape connecting rod on the extension arm and articulating the anticreep pole on another support arm in U type pulley groove, and it has the bar hole that corresponds the arrangement with the anticreep pole to open on one section of extension arm is kept away from to L shape connecting rod, and L shape connecting rod is rotatory to bar hole and the mutual parallel arrangement of extension arm, and the anticreep pole passes the bar hole perpendicularly and closely cup joints with an anticreep cap, and the anticreep pole is hugged closely L shape connecting rod and is arranged and is prevented L shape connecting rod roll-off anticreep pole.

In order to facilitate the quick installation of the locking mechanism, the strip-shaped hole comprises a wide body section and a narrow head section, the wide body section is close to the extension arm, the narrow head section is far away from the extension arm, the width of the narrow head section is larger than the diameter of the anti-falling rod and smaller than the diameter of the anti-falling cap, and the width of the wide body section is larger than the diameter of the anti-falling cap.

In order to prevent unnecessary abrasion of the outer side wall when the insulating rope shakes, an auxiliary pulley arranged corresponding to the main pulley is rotatably installed on a section where the L-shaped connecting rod is connected with the extension arm.

For the unnecessary wearing and tearing appear when preventing that insulating rope rocks, rotate on one section that extension arm and L shape connecting rod and anticreep pole are connected and install a plurality of rotary drums of arranging in pairs, the rotary drum axis is arranged along the center-connecting line of main pulley and assistance pulley, and main pulley, assistance pulley and rotary drum are arranged around insulating rope periphery.

For the convenience of manual operation, the locking nut is a butterfly nut.

The utility model discloses a by S-shaped main pothook, T shape pole setting, assist pothook and lock nut constitute with the subassembly that clamps of angle steel joint, utilize the pivot to connect U type pulley groove and S-shaped main pothook, during the use, only need to change the upper and lower orientation of S-shaped main pothook and change S-shaped main pothook and assist the upper and lower order of pothook in T shape pole setting, just can realize the angle steel reentrant corner when four different orientations with being connected of U type pulley groove to satisfy 360 omnidirectional location. The utility model discloses can satisfy install and remove convenient application reliable, safe convenient job requirement, can promote the safety protection level of operation personnel on the tower under the tower again.

Drawings

Fig. 1 is a schematic view of the structure of the shaft side of the present invention (the angle steel faces upwards and is arranged in a J-shape).

Fig. 2 is a schematic view of the structure in the direction a in fig. 1.

Fig. 3 is a schematic view of the structure in the direction B in fig. 2.

Fig. 4 is a schematic view of the structure in the direction C in fig. 3.

Fig. 5 is a schematic structural view of the present invention when connected with the angle steel arranged in a 7-letter shape.

Fig. 6 is a schematic structural view of the present invention when connected with angle steels arranged in a r-shape.

Fig. 7 is a schematic structural view of the utility model when connected with the angle iron arranged in an L-shape.

The labels shown in the figures and the corresponding component names are:

1. clamping the assembly; 11. an S-shaped main hook; 12. a T-shaped upright rod; 13. an auxiliary hook; 14. locking the nut; 15. positioning the card; 111. a main card slot; 112. a strip hole; 113. a sawtooth surface; 114. a rotating chamber; 115. A limit nut; 131. an auxiliary card slot;

2. a sheave assembly; 21. a U-shaped pulley groove; 22. a main pulley; 23. a rotating shaft; 24. an L-shaped connecting rod; 25. An anti-drop rod; 26. an anti-drop cap; 27. an auxiliary pulley; 28. a rotating drum; 211. an extension arm; 241. a wide body section; 242. a narrow head section;

3. angle steel;

4. an insulating rope.

Detailed Description

From fig. 1 to 4 can see, the utility model discloses this kind of turn to coaster, including clamping subassembly 1 and loose pulley assembly 2, the angle steel 3 that clamps subassembly 1 one side and iron tie clamps and is connected, one side is connected with loose pulley assembly 2, loose pulley assembly 2 installs on angle steel 3 through clamping subassembly 1.

As can be seen from fig. 1 to 4, the clamping assembly 1 of the present invention includes an S-shaped main clamping hook 11, a T-shaped vertical rod 12, an auxiliary clamping hook 13 and a lock nut 14, wherein the S-shaped main clamping hook 11 is horizontally disposed along the left-right direction, two main clamping grooves 111 on the S-shaped main clamping hook 11 are respectively disposed at the left upper end and the right lower end of the S-shaped main clamping hook 11, the left main clamping groove 111 is horizontally disposed towards the right, the right main clamping groove 111 is horizontally disposed towards the left, and the two main clamping grooves 111 are centrally symmetrically disposed on the S-shaped main clamping hook 11; the S-shaped main hook 11 between the two main slots 111 is provided with a long hole 112 arranged along the left-right direction; the T-shaped vertical rod 12 penetrates through the strip hole 112 and the auxiliary hook 13 to be in threaded connection with the locking nut 14, the locking nut 14 is a butterfly nut, and the T-shaped vertical rod 12 drives the auxiliary hook 13 and the locking nut 14 to adjust the left and right positions on the S-shaped main hook 11 through the strip hole 112; the auxiliary hook 13 can be slidably sleeved on the T-shaped vertical rod 12 in an up-and-down moving way, and the auxiliary clamping groove 131 of the auxiliary hook 13 is vertically arranged facing the S-shaped main hook 11.

It can be seen from fig. 1 to 4 that the utility model provides a clamping subassembly 1 still includes the locator card 15 of suit between the T shape head of T shape pole setting 12 and S-shaped main pothook 11, be equipped with the sawtooth surface 113 that intermeshing arranged on the butt joint face of S-shaped main pothook 11 and locator card 15, S-shaped main pothook 11, assist pothook 13 and lock nut 14 are linked together through T shape pole setting 12, locator card 15, assist pothook 13 and lock nut 14 can follow sawtooth surface 113 and carry out the fine setting of controlling the position on S-shaped main pothook 11.

As can be seen from fig. 1 to 4, the pulley assembly 2 of the present invention includes a U-shaped pulley groove 21, a main pulley 22 and a rotating shaft 23, wherein a square-shaped rotating cavity 114 is disposed on the right side of the S-shaped main hook 1, the left end of the rotating shaft 23 horizontally penetrates through the right side wall of the S-shaped main hook 1 and is fixedly connected with a limit nut 115 in the rotating cavity 114, and the right end is vertically fixedly connected with the closed end of the U-shaped pulley groove 21; the main pulley 22 is rotatably installed in the open end of the U-shaped pulley groove 21 by a pulley shaft and a bearing.

As can be seen from fig. 1 to 4, the pulley assembly 2 of the present invention further includes a locking mechanism installed at the side of the opening end of the U-shaped pulley groove 21 for preventing the insulation rope 4 from escaping from the groove, the locking mechanism includes an L-shaped connecting rod 24, an anti-falling rod 25 and an anti-falling cap 26, an extending arm 211 extending along the outside is provided on one arm of the U-shaped pulley groove 21, the L-shaped connecting rod 24 is hinged on the extending arm 211 by a pin shaft, and the female angle of the L-shaped connecting rod 24 is arranged facing the main pulley 22, the anti-falling rod 25 is hinged on the other arm of the U-shaped pulley groove 21 by a pin shaft, a strip-shaped hole arranged corresponding to the anti-falling rod 25 is opened on a section of the L-shaped connecting rod 24 away from the extending arm 211, the L-shaped connecting rod 24 rotates around the corresponding pin shaft until the strip-shaped hole is arranged parallel to the extending arm 211, the anti-falling rod 25 vertically passes through the strip-shaped hole to be tightly sleeved with the anti-falling cap 26, the anti-falling cap 26 moves inwards on the anti-falling rod 25 to be tightly sleeved with the L-falling rod 24, the L-shaped link 24 is prevented from slipping out of the escape prevention lever 25.

As can be seen from fig. 1 to 4, in the utility model discloses in, the bar hole includes the wide section 241 that is close to extension arm 211 and arranges and keeps away from the narrow head section 242 that extension arm 211 arranged, and the width of narrow head section 242 is greater than the diameter of anticreep pole 25 and is less than the diameter of anticreep cap 26, and the width of wide section 241 is greater than the diameter of anticreep cap 26.

As can be seen from fig. 1 to 4, pulley assembly 2 in the utility model further includes auxiliary pulley 27 and two at least rotary drums 28, auxiliary pulley 27 rotates and installs on one section that L shape connecting rod 24 is connected with extension arm 211, rotary drum 28 is mated rotates and installs on one section that extension arm 211 and L shape connecting rod 24 are connected with anticreep pole 25, L shape connecting rod 24 is around the rotatory to bar hole of corresponding round pin axle and extension arm 211 mutual parallel arrangement, auxiliary pulley 27 and main pulley 22 symmetrical arrangement are in the insulating rope 4 left and right sides, the central connection line of main pulley 22 and auxiliary pulley 27 is arranged along the rotary drum 28 axis, rotary drum 28 is in pairs and arranges both sides around insulating rope 4, main pulley 22, auxiliary pulley 27 and rotary drum 28 are around insulating rope 4 all around the periphery arrange.

When overhauing the operation on the power transmission line, generally carry out the tower and go up the transmission of worker's utensil under the tower through insulating rope 4, the protruding angle steel 3 of insulating rope 4 and iron tower cross arm can not avoid taking place the friction, influences the equipment health level, emergency operation safety, and angle steel 3 of iron tower generally is L type structure, and is different according to the mounting form, generally has four kinds of circumstances to appear: (1) the angle steel faces downwards and is arranged in a 7-shaped manner; (2) the angle steels face downwards and are arranged in a reverse L shape; (3) the angle steel faces upwards and is arranged in an L shape; (4) the angle steel faces upwards and is arranged in a J shape.

The installation process of the present invention will be described by taking the angle steel 3 arranged in a 7-letter pattern as an example:

1. as shown in fig. 5, the angle steel 3 faces downward, the main slot 111 located on the left side of the S-shaped main hook 11 hooks the horizontal section of the angle steel 3, the auxiliary slot 131 of the auxiliary hook 13 hooks the vertical section of the angle steel 3, the T-shaped upright 12 sequentially passes through the positioning card 15, the long hole 112 on the S-shaped main hook 11, the auxiliary hook 13 and the lock nut 14 from top to bottom, the serrated surface of the positioning card 15 is engaged with the serrated surface on the S-shaped main hook 11, the horizontal section of the angle steel 3 is arranged between the main slot 111 and the T-shaped upright 12, the vertical section of the angle steel 3 is arranged between the auxiliary slot 131 and the S-shaped main hook 11, and the lock nut 14 rotates upward, under the locking action of the locking nut 14, the T-shaped vertical rod 12 and the auxiliary hook 13 are driven to synchronously lock and fix the horizontal section and the vertical section of the angle steel 3 on the S-shaped main hook 11, so that the angle steel 3 arranged in a 7-shaped manner can be fixed by the clamping component 1.

2. The anti-drop cap 26 is removed, the anti-drop rod 25 is rotated firstly, then the L-shaped connecting rod 24 is rotated, the locking mechanism can be opened, and the insulating rope 4 is placed in the groove of the main pulley 22; then the L-shaped connecting rod 24 and the anti-falling rod 25 are screwed on, the anti-falling cap 26 is clamped, the locking mechanism can be closed, and the insulating rope 4 is tightly buckled with the main pulley 22 under the action of the auxiliary pulley 27, so that the friction with the metal tower material is avoided. When the hoisting direction changes, the pulley assembly 2 only needs to be rotated to realize pulley steering, and since the two sides of the main pulley 22 and the auxiliary pulley 27 are respectively provided with the rotating drums 28 which are symmetrically arranged, the insulating rope 4 can be effectively prevented from being clamped into the gap between the main pulley 22 and the auxiliary pulley 27 in the pulley steering process, and the insulating rope 4 is prevented from being damaged.

3. When a heavy object is lifted to the pulley assembly 2, an operator opens the locking mechanism, pushes the insulating rope 4 out of the pulley assembly 2 above the insulating rope 4, continues lifting the heavy object, and finishes the lifting operation when the heavy object passes through the pulley assembly 2. If the tools and the instruments need to be lifted continuously, the tail end of the insulating rope 4 is placed into the pulley assembly 2, and the locking mechanism is closed, so that the lifting operation can be continued.

The utility model discloses during the use, arrange the direction according to the installation of angle steel 3, earlier through rotary motion, confirm S-shaped main pothook 11 for arranging up or arrange down, confirm again that T shape pole setting 12 passes direction and S-shaped main pothook 11 and assistance pothook 13 on S-shaped main pothook 11 and the upper and lower order in T shape pole setting 12, can realize the utility model discloses with be the angle steel 3 that J style of calligraphy was arranged be connected (as shown in fig. 3), or with be the angle steel 3 that the L style of calligraphy was arranged be connected (as shown in fig. 6), or with be the angle steel 3 that the L style of calligraphy was arranged be connected (as shown in fig. 7), specific installation with the utility model discloses with be the angle steel 3 that 7 types were arranged and be connected substantially the same, no longer describe herein.

Claims

1. The utility model provides a turn to coaster, is including clamping subassembly (1) and loose pulley assembly (2), loose pulley assembly includes U type pulley groove (21) and rotates main pulley (22) of installing in U type pulley groove open end, its characterized in that: the clamping component comprises an S-shaped main clamping hook (11) arranged horizontally, a T-shaped vertical rod (12) arranged on the S-shaped main clamping hook in a horizontally sliding mode, an auxiliary clamping hook (13) arranged on the T-shaped vertical rod in a vertically sliding mode, and a locking nut (14) in threaded connection with the T-shaped vertical rod, wherein two main clamping grooves (111) on the S-shaped main clamping hook are arranged along the horizontal direction, an auxiliary clamping groove (131) of the auxiliary clamping hook is vertically arranged towards the S-shaped main clamping hook, an angle steel horizontal section is arranged between the main clamping groove and the T-shaped vertical rod, an angle steel vertical section is arranged between the auxiliary clamping groove and the S-shaped main clamping hook, the locking nut rotates to drive the T-shaped vertical rod and the auxiliary clamping hook to synchronously lock and fix a horizontal section and a vertical section of angle steel on the S-shaped main clamping hook, and a U-shaped pulley groove closing end is connected to one side of the S-shaped main clamping hook in a rotating mode through a rotating shaft (23) arranged horizontally.

2. The steering trolley of claim 1, wherein: the two main clamping grooves are arranged at the left end and the right end of the S-shaped main clamping hook in a central symmetry manner, a long hole (112) arranged along the left direction and the right direction of the S-shaped main clamping hook is arranged on the S-shaped main clamping hook between the two main clamping grooves, the T-shaped vertical rod penetrates through the long hole to be in threaded connection with the locking nut, the auxiliary clamping groove is sleeved on the T-shaped vertical rod between the locking nut and the S-shaped main clamping hook, and the T-shaped vertical rod is connected to the S-shaped main clamping hook in a manner of being adjustable in position left and right through the long hole.

3. The steering trolley of claim 2, wherein: a positioning clamp (15) is sleeved between a T-shaped head of the T-shaped vertical rod and the S-shaped main clamping hook, sawtooth surfaces (113) which are mutually meshed are arranged on the butt joint surfaces of the S-shaped main clamping hook and the positioning clamp, the S-shaped main clamping hook, the auxiliary clamping hook and the locking nut are connected into a whole through the T-shaped vertical rod, and the T-shaped vertical rod, the positioning clamp, the auxiliary clamping hook and the locking nut can finely adjust the left position and the right position on the S-shaped main clamping hook along the sawtooth surfaces.

4. The steering trolley of claim 1, wherein: be equipped with the blocked mechanical system that is used for preventing insulating rope from taking off the groove at U type pulley groove open end, be equipped with outside extension arm (211) that follows the extension on a limb in U type pulley groove, blocked mechanical system is including articulating L shape connecting rod (24) on the extension arm and articulating anticreep pole (25) on another support arm in U type pulley groove, it has the bar hole of arranging with anticreep pole correspondence to open on one section that the L shape connecting rod was kept away from the extension arm, L shape connecting rod is rotatory to bar hole and the mutual parallel arrangement of extension arm, the anticreep pole passes the bar hole perpendicularly and closely cup joints with an anticreep cap (26), the anticreep cap is hugged closely L shape connecting rod and is arranged and is prevented L shape connecting rod roll-off anticreep pole.

5. The steering trolley of claim 4, wherein: the bar-shaped hole comprises a wide body section (241) and a narrow head section (242), the wide body section is close to the extension arm and is arranged, the narrow head section is far away from the extension arm and is arranged, the width of the narrow head section is larger than the diameter of the anti-falling rod and smaller than the diameter of the anti-falling cap, and the width of the wide body section is larger than the diameter of the anti-falling cap.

6. The steering trolley of claim 4, wherein: an auxiliary pulley (27) arranged corresponding to the main pulley is rotatably arranged on one section of the L-shaped connecting rod connected with the extension arm.

7. The steering trolley of claim 4, wherein: a plurality of rotary drums (28) arranged in pairs are rotatably arranged on the extension arm and one section of the L-shaped connecting rod connected with the anti-falling rod, the axes of the rotary drums are arranged along the central connecting line of the main pulley and the auxiliary pulley, and the main pulley, the auxiliary pulley and the rotary drums are arranged around the periphery of the insulating rope.

8. The steering trolley of claim 1, wherein: the locking nut is a butterfly nut.