CN220457009U - High-altitude cable paying-off pulley - Google Patents

Abstract

The utility model discloses a high-altitude cable paying-off pulley which comprises a bracket, a wire guide wheel and a hanging mechanism, wherein the bracket is arranged on the wire guide wheel; the bracket comprises a bottom plate and baffle plates vertically arranged on two sides of the bottom plate; a rotating shaft is arranged between the baffles, and the wire guide wheel is rotationally connected to the rotating shaft through a bearing; the top of the baffle is provided with an open slot in which a hanging pin is arranged; the hanging mechanism comprises a hanging rod, a stop rod, a hinging rod, a deflector rod and a hook, wherein the upper edge of the hanging rod is provided with a plurality of hanging grooves matched with the hanging pins; the hanging hook comprises a connecting part, a boss is arranged at the upper end of the connecting part, and the lower end of the connecting part is movably arranged in a mounting hole arranged in the middle of the hanging rod; the hinging rod is fixed on the hanging rod; the middle part of the deflector rod is hinged to the upper end of the hinging rod; the stop rod is sleeved on the connecting part of the hook. The hanging mechanism of the high-altitude cable paying-off pulley provided by the utility model can realize rapid disassembly and assembly, has self-locking capability and strong reliability, and can also adapt to different working requirements.

Description

High-altitude cable paying-off pulley

Technical Field

The utility model relates to the technical field of electric power construction, in particular to a high-altitude cable paying-off pulley.

Background

The paying-off pulley is a necessary tool for the paying-off construction of the overhead conductor of the high-voltage transmission line, the paying-off pulley structurally comprises a hanging plate and a pulley frame, in the use process, ropes such as a guide rope, a traction rope or a ground wire are pulled and run on pulleys of the paying-off pulley, at present, two ends of a scraper blade and the pulley frame of the paying-off pulley are generally connected through two pin shafts to form a closed quadrilateral, the pin shafts are required to be opened when the ropes are put in or taken out, the hanging plate and the pulley frame are required to be frequently opened, the convenience of operation and the safety and reliability after connection are required to be ensured, particularly in a multi-wheel large-diameter pulley, the weight of the paying-off pulley is high, the paying-off pulley is hung in the high air, in the prior art, the pin connection is mostly locked after connection is ensured by arranging a split pin at the end part of the pin, a chain is arranged at the handle part of the pin and is connected on the pulley frame, so that the split pin is prevented from falling off after the pin is taken out, the chain is troublesome in the mode, the chain is likely to fall off after the chain link is frequently generated, the split pin is likely to fall off when the split pin is opened during operation, and the split pin is required to be lost when the split, and the split pin is not always caused by the split pin is easy to fall when the split pin is caused by the split link operation because split pin.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the high-altitude cable paying-off pulley, the hanging mechanism of the high-altitude cable paying-off pulley can realize quick disassembly and assembly, has self-locking capability and strong reliability, can adapt to different working requirements, can be conveniently hoisted, and can be conveniently arranged on a cross rod.

The utility model is realized by the following technical scheme:

a high-altitude cable paying-off pulley comprises a bracket, a wire wheel and a hanging mechanism; the bracket is of a U-shaped structure and comprises a bottom plate and baffle plates vertically arranged on two sides of the bottom plate; a rotating shaft is arranged between the baffles, and the wire guide wheel is rotationally connected to the rotating shaft through a bearing; an open slot is formed in the top of the baffle, and a hanging pin is arranged in the open slot; the hanging mechanism comprises a hanging rod, a stop rod, a hinging rod, a deflector rod and a hook, wherein a plurality of hanging grooves matched with hanging pins are formed in the upper edge of the hanging rod; the hanging hook comprises a connecting part, a boss is arranged at the upper end of the connecting part, and the lower end of the connecting part is movably arranged in a mounting hole arranged in the middle of the hanging rod; the hinging rod is fixed on the hanging rod and is positioned at the side edge of the hook; the middle part of the deflector rod is hinged to the upper end of the hinging rod and is arranged above the boss; the utility model provides a pulley, including rack, rack baffle, hanging mechanism, stop lever cup joints on the connecting portion of couple, arranges in between peg and the boss, and in this technical scheme, this pulley is including support and hanging mechanism, for independent detachable structure, be equipped with the hanging groove on the peg of hanging mechanism, the peg that the support baffle upper end was equipped with can the joint in the hanging groove, realizes hanging the work to the support, and still be equipped with the stop lever above the peg, when hanging, boss on the couple upwards pushes up the inboard end of driving lever for the outside end of driving lever compresses tightly the stop lever downwards, and then makes the stop lever hug closely the peg, accomplishes the auto-lock action, can prevent that peg and peg from coming off under the windy weather, further improves the fail safe nature of pulley, and when need not rely on the existing horizontal pole on the wire frame as the support, the hanging mechanism can realize quick separation with the support, reduces the weight of coaster, makes things convenient for the transport to remove, also can make the support upper end accomplish and to demonstrate open-ended state, makes things convenient for the movement of cable or hanging rope, improves the efficiency, and the self-locking action is accomplished in the circumstances that the length of hanging mechanism has enough to have the support to be in the cable is in the place when the position of the support is in the realization of the balanced position when the position is convenient for the balanced in the realization of the position of the pulley to be in the place under the horizontal condition.

Preferably, the lower end of the connecting part is connected with a positioning nut in a threaded manner; in this technical scheme, positioning nut adopts the removable connection of screw thread with the couple, can conveniently reduce the preparation and the equipment degree of difficulty of spare part on the one hand, greatly practice thrift the cost of manufacture, on the other hand, also can conveniently change or maintain in later stage.

Preferably, the connecting part is provided with a positioning hole; the positioning hole is positioned below the positioning nut; in the technical scheme, the mounting bolt is arranged in the positioning hole and used for limiting the positioning nut, preventing the positioning nut from being separated from the connecting part of the hook, and enhancing the reliability of the pulley.

Preferably, two ends of the deflector rod are in arc structures; in the technical scheme, the arc structure can reduce stress concentration effect and can facilitate the shifting rod to move on the stop rod.

Preferably, the bottom plate and the baffle are all made of channel steel; in this technical scheme, the structural strength of channel-section steel is high, can guarantee the intensity of support, and the installation wherein of hanging the round pin can be conveniently hung to the "C" structure of channel-section steel, only need at the tip angle mill just can carry out the fluting and handle, has saved the cost of manufacture.

Preferably, the bottom plate is provided with a threaded hole; in this technical scheme, can be equipped with fastening bolt in the screw hole, when needs are fixed the coaster with existing horizontal pole, can dismantle the separation with hitching mechanism and support are light after, utilize fastening bolt to fix the support on existing horizontal pole, because of the completion of support upper portion presents open structure, can greatly make things convenient for the wire to show and put the construction to increase the suitability of this coaster.

Preferably, the hook is provided with an anti-tripping device; in the technical scheme, the anti-tripping device can ensure the reliability of the hook and prevent the hook from falling off.

Preferably, the stop rod is provided with a top block, and the top block is matched with the structure of the hanging groove; in the technical scheme, the ejector block is inserted into the hanging groove and can structurally support the hanging rod, specifically, the thickness of the hanging groove part of the hanging rod is thinner than that of other parts, and the ejector block is inserted into the hanging groove and can support two sides of the hanging groove to prevent the hanging rod from bending deformation.

Preferably, the middle part of the baffle is provided with a secondary hanging pin; in the technical scheme, the auxiliary hanging pin can be used as an auxiliary hanging point, the pulley is supported through the rope and the lock catch, construction is convenient, particularly, when the pulley is in a hanging working state, the operation of taking and putting the rope is needed halfway, the auxiliary hanging pin can be used as a hanging point for temporary hoisting, and after the taking and putting operation is completed, the operation of the hanging mechanism is restored.

The utility model has the beneficial effects that: 1. the pulley comprises a bracket and a hanging mechanism, is of an independent detachable structure, can be quickly assembled and disassembled with the bracket, has self-locking capability and is high in reliability; 2. the device can also adapt to different working requirements, can be conveniently hoisted and can be conveniently arranged on the cross rod; 3. the top block arranged on the stop rod in the pulley is inserted into the hanging groove, so that the structure can support the hanging rod, and the bending deformation of the hanging rod is prevented; 4. the hanging mechanism of the pulley can quickly and conveniently adjust the position of the hook to realize balance, so that the bracket is in a horizontal position in a hanging state.

Drawings

Fig. 1 is a schematic structural view of a high-altitude cable pay-off pulley according to a first embodiment;

fig. 2 is a schematic structural view of the aerial cable paying-off pulley in a self-locking state according to the first embodiment;

FIG. 3 is a schematic view of the hook according to the first embodiment;

FIG. 4 is a schematic view of a structure of a bracket according to the first embodiment;

fig. 5 is a schematic top view of the hanging rod according to the first embodiment;

FIG. 6 is a schematic top view of the stopper rod according to the first embodiment;

FIG. 7 is a schematic view of a structure of the hitching mechanism according to the first embodiment;

FIG. 8 is a schematic view of a bracket according to the first embodiment fastened to an existing rail;

in the figure: 1. a bracket; 11. a baffle; 111. an open slot; 112. a hanging pin; 113. an auxiliary hanging pin; 12. a bottom plate; 121. a threaded hole; 2. a hitching mechanism; 21. a hanging rod; 211. a hanging groove; 212. a mounting hole; 22. a stop lever; 221. a top block; 23. a hook; 231. positioning a nut; 232. a boss; 233. positioning holes; 234. anti-tripping; 24. a hinge rod; 25. a deflector rod; 3. a wire guide wheel; 4. the existing cross bar; 5. a fastening bolt; 6. a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. 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 fall within the scope of the utility model.

Example 1

As shown in fig. 1 to 8, a high-altitude cable paying-off pulley comprises a bracket 1, a wire guide wheel 3 and a hanging mechanism 2; the bracket 1 is of a U-shaped structure and comprises a bottom plate 12 and baffle plates 11 vertically arranged on two sides of the bottom plate; the bottom plate 12 and the baffle 11 are all made of channel steel; a rotating shaft is arranged between the baffles 11, and the wire guide wheel 3 is rotationally connected to the rotating shaft through a bearing; an open slot 111 is formed in the top of the baffle 11, and a hanging pin 112 is arranged in the open slot 111; the hanging mechanism 2 comprises a hanging rod 21, a stop rod 22, a hinging rod 24, a deflector rod 25 and a hook 23, wherein a plurality of hanging grooves 211 matched with hanging pins are formed in the upper edge of the hanging rod 21; the hook 23 comprises a connecting part, a boss 232 is arranged at the upper end of the connecting part, and the lower end of the connecting part is movably arranged in a mounting hole 212 arranged in the middle of the hanging rod 21; the lower end of the connecting part is connected with the positioning nut 231 in a threaded manner, and the positioning nut 231 is connected with the hook 23 in a threaded detachable manner, so that on one hand, the manufacturing and assembling difficulties of parts can be conveniently reduced, the manufacturing cost is greatly saved, and on the other hand, the later replacement or maintenance can be also conveniently carried out; the hinging rods 24 are fixed on the hanging rod 21 in a welding mode and are symmetrically arranged at two side edges of the hook 23; the middle part of the deflector rod 25 is hinged to the upper end of the hinging rod 24 and is arranged above the boss 232; the utility model provides a cable hanging device, including a pulley, a hook 23, a stop lever 22, a hook 2, a support 1, a boss 232, a through hole is arranged in the middle of the stop lever 22, cup joint on the connecting portion of the hook 23, arrange between the hook 21 and the boss 232, wherein this pulley is including support 1 and link mechanism 2, for independent detachable structure, be equipped with the hanging groove 211 on the hook 21 of link mechanism 2, the hanging pin 112 joint that baffle 11 upper end was equipped with of support 1 can be in the hanging groove 211, realize hanging work to support 1, and still overlap above the hook 21 and be equipped with stop lever 22, when hanging, boss 232 on the hook 23 upwards jack up the inboard end of driving lever 25, make the outside end of driving lever 25 compress tightly stop lever 22 downwards, and then make stop lever 22 hug closely to the hanging lever 21, accomplish the auto-lock action, can prevent down by accident of hanging pin and hanging lever under the weather, further improve the fail safe reliability of coaster, and need rely on the electric wire frame to have both horizontal pole 4 as the support when, link mechanism 2 regard as unnecessary part, can realize quick separation with support 1, and then reduce the weight of coaster, and convenient movement, make the support 1 take off the eccentric position when the cable in the middle position is in order to take over the situation that the open-end is in the middle of the order to be convenient to be in the convenient to take place, the open-end of the cable is in the convenient to take down, and the middle position is in the explanation when the situation is in the place.

Preferably, the connecting part is provided with a positioning hole 233; the positioning hole 233 is located below the positioning nut 231, and a mounting bolt 6 is disposed in the positioning hole and used for limiting the positioning nut 231, preventing the positioning nut 231 from being separated from the connection part of the hook 23, and enhancing the reliability of the pulley; the two ends of the deflector rod 25 are in arc structures, the arc structures can reduce stress concentration effect, and the deflector rod can conveniently move on the stop rod; the bottom plate 12 is provided with a threaded hole 121, a fastening bolt 5 can be arranged in the threaded hole 121, when the existing cross rod 4 is required to be used for fixing the pulley, the hanging mechanism 2 and the bracket 1 can be easily detached and separated, and the bracket 1 is fixed on the existing cross rod 4 by using the fastening bolt 5, so that the upper part of the bracket 1 is in an open structure, the wire unfolding construction can be greatly facilitated, and the applicability of the pulley is increased; the hook 23 is provided with an anti-tripping 234, and the anti-tripping 234 can ensure the reliability of the hook 23 and prevent the hook 23 from falling off; the stop rod 22 is provided with a top block 221, the top block 221 is matched with the structure of the hanging groove 211, the top block 221 is inserted into the hanging groove 211, so that the hanging rod can be structurally supported, specifically, the thickness of the hanging groove part of the hanging rod 21 is thinner than that of other parts, the top block 221 is inserted into the hanging groove 211, so that the two sides of the hanging groove 211 can be supported, and the bending deformation of the hanging rod 21 is prevented; the middle part of the baffle 11 is provided with an auxiliary hanging pin 113, the auxiliary hanging pin 113 can serve as an auxiliary hanging point, the pulley is supported through the ropes and the lock catches, construction is convenient, particularly, when the pulley is in a hanging working state, the operation of taking and placing the ropes is needed halfway, the auxiliary hanging pin 113 can be used as a hanging point for temporary hanging, and after the taking and placing operation is completed, the operation of the hanging mechanism is restored.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present utility model.

Claims (9)

1. The high-altitude cable paying-off pulley is characterized by comprising a bracket, a wire guide wheel and a hanging mechanism; the bracket is of a U-shaped structure and comprises a bottom plate and baffle plates vertically arranged on two sides of the bottom plate; a rotating shaft is arranged between the baffles, and the wire guide wheel is rotationally connected to the rotating shaft through a bearing; an open slot is formed in the top of the baffle, and a hanging pin is arranged in the open slot; the hanging mechanism comprises a hanging rod, a stop rod, a hinging rod, a deflector rod and a hook, wherein a plurality of hanging grooves matched with hanging pins are formed in the upper edge of the hanging rod; the hanging hook comprises a connecting part, a boss is arranged at the upper end of the connecting part, and the lower end of the connecting part is movably arranged in a mounting hole arranged in the middle of the hanging rod; the hinging rod is fixed on the hanging rod and is positioned at the side edge of the hook; the middle part of the deflector rod is hinged to the upper end of the hinging rod and is arranged above the boss; the stop rod is sleeved on the connecting part of the hook and is arranged between the hanging rod and the boss.

2. The aerial cable pay-off pulley of claim 1, wherein the lower end of the connecting portion is threadably connected with a retaining nut.

3. The aerial cable pay-off pulley according to claim 2, wherein the connecting portion is provided with a positioning hole; the positioning hole is positioned below the positioning nut.

4. The aerial cable pay-off pulley of claim 1 wherein the deflector rod has arcuate ends.

5. The aerial cable pay-off sled of claim 1 wherein the bottom plate and the baffle are each formed of channel steel.

6. An overhead cable pay-off sled as defined in claim 1 wherein the bottom plate is provided with threaded holes.

7. The aerial cable pay-off pulley of claim 1 wherein the hook is provided with an anti-trip feature.

8. The aerial cable pay-off pulley according to claim 1, wherein the stop rod is provided with a top block, and the top block is matched with the structure of the hanging groove.

9. The aerial cable pay-off pulley of claim 1 wherein a secondary hanging pin is provided in the middle of the baffle.