CN115285846A - Pole stone tongs - Google Patents

Abstract

The invention provides a pole hoisting fixture, which belongs to the technical field of electric power construction and handling. There is a longitudinal sliding block, and the lower end of the longitudinal sliding block is provided with a third claw after passing through the longitudinal sliding hole; the other end of the upper surface of the bottom plate is provided with a transverse sliding hole 1 and a transverse sliding hole 2, and the transverse sliding hole 1 has an inner and a transverse sliding hole. A horizontal sliding block 1 and a horizontal sliding block 2 are respectively connected horizontally in the second hole. The sliding directions of the horizontal sliding block 1 and the horizontal sliding block 2 are both perpendicular to the sliding direction of the vertical sliding block. A first clamping claw is arranged behind the hole 1, and a second clamping claw is arranged after the lower end of the transverse sliding block 2 passes through the transverse sliding hole 2. The beneficial effect of the present invention is that it can improve the safety factor of pole hoisting, and improve the hoisting and handling efficiency of the conical cement pole.

Description

An electric pole lifting fixture

technical field

The invention relates to the technical field of electric power construction and transportation, in particular to an electric pole hoisting fixture.

Background technique

As one of the important infrastructures in power supply and communication systems, electric poles are usually prefabricated with reinforced concrete and need to be transported to the predetermined location in advance when in use. However, due to the long length and heavy weight of the electric pole, the electric pole It is relatively cumbersome to transport.

At present, the existing pole hoisting fixture generally only has two claws, so in the process of pole hoisting, the existing pole hoisting fixture generally realizes the hugging of the pole by the two claws approaching each other. And clamping, but the pole hoisting fixture of this structure is less stable when hoisting the pole, and because the surface of the pole is generally coated with a relatively smooth paint, so the pole during hoisting and transportation It is easy to slip due to uneven force.

Contents of the invention

The technical problem solved by the present invention is to provide a pole hoisting fixture that can improve the stability of pole hoisting and can realize universal pole hoisting, so as to improve the hoisting, handling efficiency and hoisting safety factor of the pole.

In order to solve the above technical problems, the technical solution provided by the present invention is: a pole hoisting fixture, which includes a fixed frame, a bottom plate is provided at the lower end of the fixed frame, and a longitudinal sliding hole is provided at one end of the upper surface of the bottom plate, A vertical sliding block is horizontally slidably connected in the longitudinal sliding hole, and the lower end of the longitudinal sliding block is provided with a third claw after passing through the longitudinal sliding hole; the other end of the upper surface of the bottom plate is provided with horizontal sliding blocks parallel to each other. Hole 1 and horizontal sliding hole 2, horizontal sliding block 1 is horizontally slidably connected in the horizontal sliding hole 1, horizontal sliding block 2 is horizontally slidably connected in the horizontal sliding hole 2, and horizontal sliding block 1 and horizontal sliding block The sliding direction of the two is perpendicular to the sliding direction of the longitudinal slider, the lower end of the horizontal slider one passes through the horizontal sliding hole one and is provided with a first claw, and the lower end of the horizontal sliding block two passes through the horizontal sliding hole two A second claw is provided behind, and the first claw and the second claw are respectively located on both sides of the third claw. In this way, since the present invention is provided with three claws, when using the present invention to hoist the pole, it can clamp the pole at three points and form a stable triangular structure, thereby improving the hoisting stability of the pole, and lifting Safety factor.

Further, the upper end of the longitudinal slider is provided with a longitudinal adjustment rack after passing through the longitudinal sliding hole, and the longitudinal adjustment rack is engaged with a longitudinal adjustment gear, and the longitudinal adjustment gear is rotatably mounted on the bottom plate, and the longitudinal adjustment gear is The adjustment gear transmission is connected with a rotary drive motor; the upper end of the horizontal slider 1 passes through the horizontal sliding hole 1 and is provided with a horizontal adjustment rack 1, and the upper end of the horizontal slider 2 passes through the horizontal sliding hole 2 and is provided with a horizontal The second adjustment rack, the first horizontal adjustment rack and the second horizontal adjustment rack are arranged oppositely, and a horizontal adjustment gear is installed between the first horizontal adjustment rack and the second horizontal adjustment rack, and the horizontal adjustment gear is simultaneously Engage with the horizontal adjustment rack one and the horizontal adjustment rack two, and the horizontal adjustment gear is connected with the longitudinal adjustment gear transmission, so that the present invention can simultaneously drive the vertical slider, the first horizontal slider and the horizontal slider through the rotation of the rotary drive motor Two move, thereby realize holding and relaxing the electric pole.

Further, the vertical adjustment gear is fixedly connected with a vertical shaft I, and the vertical shaft I is connected to the output shaft of the rotary drive motor through a belt transmission mechanism I, and the horizontal adjustment gear is fixedly connected with a vertical shaft II, The second vertical rotating shaft is connected to the first vertical rotating shaft through the second belt transmission mechanism, so that the rotation of the rotary drive motor is transmitted to the first vertical rotating shaft and the second vertical rotating shaft through the first belt transmission mechanism and the second belt transmission mechanism, and Respectively drive the corresponding vertical adjustment gear and horizontal adjustment gear to rotate.

Further, the longitudinal sliding hole, the first horizontal sliding hole and the second horizontal sliding hole are all through holes with a narrow top and a wide bottom. The locking part 3 passes through the longitudinal sliding hole and is connected with the hanging chain 3; the upper part of the horizontal sliding block 1 is provided with a locking part 1 matching with the horizontal sliding hole 1, and the locking part 1 passes through the horizontal sliding block. Hole 1 is connected with suspension chain 1; the upper part of the horizontal slider 2 is provided with locking part 2 matching with horizontal sliding hole 2, and the locking part 2 is connected with suspension chain 2 after passing through horizontal sliding hole 2. , and the whole lifting fixture is hoisted and pulled together by the first lifting chain, the second lifting chain and the third lifting chain.

Further, the upper end of the fixing frame is provided with a top plate, and the upper surface of the top plate is provided with three connecting holes, and the three connecting holes are respectively opposite to the longitudinal sliding hole, the first horizontal sliding hole and the second horizontal sliding hole, and the Lifting chain 1, lifting chain 2 and lifting chain 3 pass through the corresponding connection holes respectively and then connect to the main lifting ring, and integrate the lifting chain 1, lifting chain 2 and lifting chain 3 through the total lifting ring, so that it is convenient for the lifting machine to control the entire fixture. Carry out hoisting.

Further, the first claw includes an arc-shaped splint, the middle parts of the upper and lower ends of the arc-shaped splint are hinged with the horizontal slider through hinge seats, and the left and right ends of the arc-shaped splint are close to the horizontal slider. One side of each side is provided with a spring; the second jaw includes two arc-shaped splints, and the middle parts of the upper and lower ends of the two arc-shaped splints are hinged to the horizontal slider two through hinge seats, and the left and right ends of the arc-shaped splint two A spring is provided on one side close to the horizontal slider two; the third jaw includes an arc-shaped splint three, the middle of the upper and lower ends of the arc-shaped splint three are hinged with the longitudinal slider through a hinge seat, and the arc-shaped splint three The left and right ends are all provided with springs near the side of the longitudinal slider. Like this because all can carry out the rotation of certain angle in the three arc splints in the present invention, the present invention can also be applicable to the hoisting of tapered electric pole except being applicable to cylindrical electric pole.

Further, pads are provided on the side of the first curved splint for contacting the electric pole, the side of the second arc splint for contacting the electric pole, and the side of the third arc splint for contacting the electric pole. plate, and increase the friction between each arc-shaped splint and the pole through the backing plate.

Further, the backing plate is provided with anti-slip protrusions, and the friction force between the backing plate and the pole is further increased through the anti-slip protrusions.

It can be seen from the above technical solutions that the present invention has the following advantages: First, when using the present invention to hoist the electric pole, it can clamp the electric pole at three points and form a stable triangular structure, thereby improving the stability of the electric pole. Hoisting stability, and hoisting safety factor; secondly, the present invention has versatility, that is, the present invention is not only applicable to cylindrical electric poles of various sizes, but also applicable to tapered electric poles of various sizes.

Description of drawings

In order to illustrate the technical solution of the present invention more clearly, the accompanying drawings that need to be used in the description will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. As far as people are concerned, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

Fig. 1 is the structural representation of the specific embodiment of the present invention;

Fig. 2 is the front view of the embodiment of the present invention;

Fig. 3 is the bottom view of the embodiment of the present invention;

Fig. 4 is a structural schematic diagram of the junction of the horizontal sliding hole one and the horizontal sliding block one in the present invention.

In the figure: 1. Top plate; 2. Bottom plate; 3. Horizontal slider 1; 4. Vertical shaft 2; 5. Belt transmission mechanism 2; 6. Vertical slider; 7. Horizontal slider 2; 9. Fixed frame; 10. Horizontal sliding hole one; 11. Horizontal sliding hole two; 12. Spring; 13. Hinged seat; 14. Arc splint one; 15. Arc splint two; 16. Arc splint three; 17 , longitudinal sliding hole; 18, total lifting ring; 19, lifting chain three; 20, lifting chain one; 21, rotating drive motor; 22, belt transmission mechanism one; 23, lifting chain two; 24, longitudinal adjustment gear; 25, card Stop one.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figures 1 to 4, the present invention provides a pole lifting fixture, which includes a fixed frame 9, the lower end of the fixed frame 9 is provided with a bottom plate 2, and one end of the upper surface of the bottom plate 2 is provided with a vertical Straight shaft one and longitudinal sliding hole 17. Wherein, the bottom of the vertical rotating shaft 1 is rotationally connected with the base plate 2, and the upper part of the vertical rotating shaft 1 is connected to the output shaft of the rotating drive motor 21 through a belt transmission mechanism 22, and the middle part of the vertical rotating shaft 1 passes through The key is fixedly equipped with a longitudinal adjustment gear 24 . The vertical sliding block 6 is horizontally slidably connected in the longitudinal sliding hole 17, and the lower end of the longitudinal sliding block 6 is provided with a third claw after passing through the longitudinal sliding hole 17, and the upper end of the longitudinal sliding block 6 passes through the longitudinal sliding hole 17. A longitudinal adjustment rack is arranged behind the sliding hole 17, and the longitudinal adjustment rack is engaged with the longitudinal adjustment gear 24. In this way, the present invention can drive the longitudinal adjustment rack, the longitudinal slider 6 and the third claw to slide longitudinally and horizontally through the rotation of the longitudinal adjustment gear 24 .

The other end of the upper surface of the bottom plate 2 is provided with a vertical rotating shaft 2 4 and a horizontal sliding hole 1 10 and a horizontal sliding hole 2 11 parallel to each other. Wherein, the second vertical shaft 4 is located between the first horizontal sliding hole 10 and the second horizontal sliding hole 11, and the bottom of the second vertical shaft 4 is rotationally connected with the bottom plate 2, and the upper part of the second vertical shaft 4 passes through The belt transmission mechanism two 5 is connected with a transmission of the vertical shaft one, and the middle part of the two vertical shafts 4 is fixedly equipped with a horizontal adjustment gear by a key. Horizontal sliding block one 3 is horizontally slidably connected in the horizontal sliding hole one 10, horizontal sliding block two 7 is horizontally slidingly connected in the horizontal sliding hole two 11, and the horizontal sliding block one 3 and horizontal sliding block two 7 The sliding direction of each is perpendicular to the sliding direction of the longitudinal slider 6, the lower end of the horizontal slider one 3 passes through the horizontal slide hole one 10 and is provided with the first claw, and the lower end of the horizontal slider two 7 passes through the horizontal A second claw is provided behind the second sliding hole 11, and the first claw and the second claw are respectively located on both sides of the third claw. In addition, the upper end of the horizontal slider one 3 passes through the horizontal sliding hole one 10 and is provided with a horizontal adjustment rack one, and the upper end of the horizontal slider two 7 passes through the horizontal sliding hole two 11 and is provided with a horizontal adjustment rack Second, the first horizontal adjustment rack and the second horizontal adjustment rack are respectively arranged on both sides of the horizontal adjustment gear, and both are meshed with the horizontal adjustment gear. In this way, the present invention can drive the horizontal slider one 3, the horizontal slider two 7 and the corresponding first claw and the second claw through the rotation of the horizontal adjustment gear while the vertical slider 6 and the third claw are moving longitudinally. Carry out horizontal sliding, so that the three claws can approach each other or move away from each other at the same time, so that the distance between the three claws is adapted to the diameter of the clamped pole, that is, when the diameter of the clamped pole changes When the weight becomes larger, the present invention can expand the horizontal distance between the first claw and the second claw while expanding the longitudinal distance between the third claw and the first claw and the second claw, thereby Improve the stability of the entire fixture.

In addition, in order to facilitate the stable hoisting of the present invention by lifting devices such as cranes, the longitudinal sliding hole 17, the first horizontal sliding hole 10 and the second horizontal sliding hole 11 in the present invention are all set as through holes that are narrow at the top and wide at the bottom. The upper part of the longitudinal slider 6 is provided with a locking part three matched with the longitudinal sliding hole 17, and the locking part three passes through the longitudinal sliding hole 17 and is connected with a suspension chain three 19; The upper part is provided with a locking part-25 matched with the transverse sliding hole-10, and the locking part-25 is connected with a suspension chain-20 after passing through the transverse sliding hole-10; The upper part is provided with the locking part 2 matched with the horizontal sliding hole 2 11, and the locking part 2 passes through the horizontal sliding hole 2 11 and is connected with the second suspension chain 23, and passes through the suspension chain 1 20, the suspension chain 2 23 and the Lifting chain three 19 carry out hoisting and pulling to whole fixture jointly. In addition, as a preference, the present invention is also provided with a top plate 1 on the upper end of the fixed frame 9, and the upper surface of the top plate 1 is provided with three holes opposite to the longitudinal sliding hole 17, the first horizontal sliding hole 10 and the second horizontal sliding hole 11. The connecting hole 8, and the first hanging chain 20, the second hanging chain 23 and the third hanging chain 19 pass through the corresponding connecting hole 8 respectively and are connected with the total lifting ring 18. Like this when the present invention is hoisted, three hoisting chains can be integrated by the total hoisting ring 18, and it is convenient for the hoist to hoist it; meanwhile, no matter how the positions of the corresponding claws on the three sliders and the sliders change, this It is invented that the force points of each time are three sliders, so as to avoid uneven force on the entire fixture.

In order to broaden the scope of application of the present invention, that is, in order to make the present invention applicable to both cylindrical electric poles and tapered electric poles, the first jaw in the present invention includes an arc splint-14, and the arc The middle part of shape splint one 14 upper and lower ends is all hinged with transverse slide block one 3 by hinge seat 13, and described arc splint one 14 left and right ends are all provided with spring 12 near the side of transverse slide block one 3. The second claw includes arc splint two 15, and the middle parts of the upper and lower ends of the arc splint two 15 are hinged with the horizontal slider two 7 through the hinge seat 13, and the left and right ends of the arc splint two 15 are close to the horizontal direction. One side of the slider two 7 is provided with a spring 12 . The third claw includes arc splint three 16, and the middle part of the upper and lower ends of the arc splint three 16 is hinged with the longitudinal slider 6 through the hinge seat 13, and the left and right ends of the arc splint three 16 are close to the longitudinal slider One side of 6 is all provided with spring 12. In this way, when the tapered electric pole is hoisted, the present invention can deflect each arc-shaped splint at a certain angle through the force between each arc-shaped splint and the tapered electric pole, so that it can be tilted with the tapered electric pole. The angle is suitable and contacts the outer surface of the tapered pole.

In addition, in order to increase the friction between each arc splint and the pole, the side of the arc splint one 14 used to contact the pole and the arc splint two 15 used to contact the side of the pole, the arc One side that is used for contacting electric pole on the clamping plate three 16 is all provided with backing plate, and described backing plate is provided with anti-slip protrusion.

The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily Describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A pole hoisting fixture, characterized in that it comprises a fixed frame, the lower end of the fixed frame is provided with a base plate, and one end of the upper surface of the base plate is provided with a longitudinal sliding hole, and the horizontal sliding connection in the longitudinal sliding hole There is a longitudinal slider, and the lower end of the longitudinal slider is provided with a third claw after passing through the longitudinal sliding hole; the other end of the upper surface of the bottom plate is provided with a horizontal sliding hole 1 and a horizontal sliding hole 2 parallel to each other. Horizontal sliding block 1 is horizontally slidably connected in the horizontal sliding hole 1, and horizontal sliding block 2 is horizontally slidably connected in the horizontal sliding hole 2. The sliding direction is vertical, the lower end of the horizontal slider 1 passes through the horizontal sliding hole 1 and is provided with a first claw, and the lower end of the horizontal slider 2 passes through the horizontal sliding hole 2 and is provided with a second claw, so The first claw and the second claw are respectively located on both sides of the third claw. 2. The electric pole hoisting fixture according to claim 1, wherein the upper end of the longitudinal slider is provided with a longitudinal adjustment rack after passing through the longitudinal sliding hole, and the longitudinal adjustment rack is engaged with a longitudinal adjustment gear, The longitudinal adjustment gear is rotatably mounted on the bottom plate, and the longitudinal adjustment gear is connected to a rotary drive motor; the upper end of the transverse slider one passes through the transverse slide hole one and is provided with a transverse adjustment rack one, and the transverse adjustment gear one The upper end of the slider 2 is provided with a horizontal adjustment rack 2 after passing through the horizontal slide hole 2, the horizontal adjustment rack 1 and the horizontal adjustment rack 2 are oppositely arranged, and the horizontal adjustment rack 1 and the horizontal adjustment rack 2 A horizontal adjustment gear is rotatably installed between them, and the horizontal adjustment gear meshes with the first horizontal adjustment rack and the second horizontal adjustment rack at the same time, and the horizontal adjustment gear is in transmission connection with the longitudinal adjustment gear. 3. The electric pole hoisting fixture according to claim 2, wherein the vertical adjustment gear is fixedly connected with a vertical shaft, and the vertical shaft is driven by a belt transmission mechanism and the output shaft of the rotary drive motor. The horizontal adjustment gear is fixedly connected with the second vertical shaft, and the second vertical shaft is connected with the first vertical shaft through the belt transmission mechanism two. 4. The pole hoisting fixture according to claim 1, 2 or 3, characterized in that, the longitudinal sliding hole, the first horizontal sliding hole and the second horizontal sliding hole are all through holes with a narrow top and a wide bottom, and the longitudinal The upper part of the slider is provided with a locking part 3 matched with the longitudinal sliding hole, and the locking part 3 passes through the longitudinal sliding hole and is connected with a suspension chain 3; A matching locking part 1, the locking part 1 is connected to the suspension chain 1 after passing through the horizontal sliding hole 1; the upper part of the horizontal sliding block 2 is provided with a locking part 2 matching with the horizontal sliding hole 2 , the locking part 2 is connected with the suspension chain 2 after passing through the transverse sliding hole 2. 5. The electric pole hoisting fixture according to claim 4, wherein a top plate is provided on the upper end of the fixed frame, and three connecting holes are arranged on the upper surface of the top plate, and the three connecting holes are respectively connected with the longitudinal slide Hole, transverse slide hole one and transverse slide hole two are opposite, and described suspension chain one, suspension chain two and suspension chain three pass through corresponding connecting holes respectively and then connect the total suspension ring. 6. The pole hoisting fixture according to claim 1, 2 or 3, wherein the first claw comprises an arc-shaped splint, and the middle parts of the upper and lower ends of the arc-shaped splint pass through the hinged seat and the horizontal Slider one is hinged, and the left and right ends of the arc splint one are provided with springs near the side of the horizontal slider one; The hinged seat is hinged with the second horizontal slider, and the left and right ends of the two curved splints are provided with springs on the side close to the second horizontal slider; The middle parts of the upper and lower ends are hinged with the longitudinal slider through the hinge seat, and the left and right ends of the curved splint are provided with springs near the longitudinal slider. 7. The pole lifting fixture according to claim 6, characterized in that, the side of the first curved splint used to contact the electric pole and the side of the second curved splint used to contact the electric pole are arc-shaped. A backing plate is provided on one side of the splint three used to contact the electric pole. 8. The pole lifting fixture according to claim 7, wherein the backing plate is provided with anti-slip protrusions.

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