CN112421477B

CN112421477B - Fixed self-locking following pulley

Info

Publication number: CN112421477B
Application number: CN202011109007.9A
Authority: CN
Inventors: 黄钰锡; 杨磊; 刘欣; 杨龙; 王时春
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2022-06-07
Anticipated expiration: 2040-10-16
Also published as: CN112421477A

Abstract

The invention discloses a fixed self-locking following bucket pulley, which comprises an annular fixed frame, wherein the annular fixed frame is arranged in an annular manner, the bottom of the annular fixed frame is fixedly connected with a hanging bracket, a pulley is arranged in the hanging bracket, the left end and the right end of the pulley are fixedly connected with a connecting rod, the two ends of the annular fixed frame are respectively and fixedly connected with a connecting block I and a connecting block II, a clamping plate is arranged on the right side of the annular fixed frame, and a top plate is fixedly connected with the top of the clamping plate. The circuit can be effectively prevented from falling off, and the practicability is high.

Description

Fixed self-locking following pulley

Technical Field

The invention relates to the technical field of electric power overhaul, in particular to a fixed self-locking following bucket pulley.

Background

In order to ensure the normal operation of the power transmission line in the power grid, the power transmission line needs to be maintained in an electrified way. The hot-line work is a defect processing method adopted for improving the operation level of a line, reducing the power failure time and improving the availability factor of the line. At present, a method adopted when the tension tower enters the equipotential is flat ladder entry and rope ladder entry. The flat ladder entering process is complex, the soft ladder needs to be pulled to be hung on a lead by an insulating rope when entering, the insulating rope when entering the soft ladder at present is hung on the lead by a throwing and hanging mode generally, and then the soft ladder is hoisted by the insulating rope, and the method seriously abrades the insulating rope, so that a fixed self-locking following pulley is necessary to be provided.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a fixed self-locking following bucket pulley to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a fixed self-locking following pulley comprises an annular fixing frame, wherein the annular fixing frame is arranged in an annular manner, a hanging frame is fixedly connected to the bottom of the annular fixing frame, pulleys are arranged in the hanging frame, connecting rods are fixedly connected to the left end and the right end of each pulley, a connecting block I and a connecting block II are respectively and fixedly connected to the two ends of the annular fixing frame, a clamping plate is arranged on the right side of the annular fixing frame, a top plate is fixedly connected to the top of the clamping plate, a groove is formed in the top of the connecting block II, the clamping plate penetrates through the connecting block I and extends to the outer portion of the connecting block I, the bottom of the clamping plate penetrates through the groove and extends into the groove to be in contact with the inner wall of the groove, through holes are formed in the two ends of the connecting block II, fixing sleeves are arranged in the two through holes, clamping grooves are formed in the two ends of the bottom of the clamping plate, and inserting rods are arranged in the two fixing sleeves, the two inserting rods are vertically arranged, a fixed plate I and a fixed plate II are arranged inside the two fixing sleeves, the tops of the two inserting rods are fixedly connected with a connecting plate I, the two connecting plates I are respectively contacted with the tops of the inner walls of the two fixing sleeves, clamping plates are arranged at the left end and the right end of the two fixing sleeves, each clamping plate is respectively arranged in an inclined mode with the bottom outwards, the four clamping plates are respectively hinged with the two fixing sleeves through rotating shafts, the four clamping plates are respectively positioned inside the two clamping grooves, and the left end and the right end of the two inserting rods are respectively hinged with a supporting rod through rotating shafts;

particularly, the bottoms of the two fixing plates I are respectively provided with two connecting plates II, the two connecting plates II are respectively fixedly connected with the outer surfaces of the two insert rods, the outer surfaces of the two insert rods are respectively sleeved with springs, and the tops of the two springs are respectively contacted with the bottoms of the two connecting plates II;

particularly, the equal fixedly connected with bottom plate in connecting block II bottom both ends, two the bottom plate is equallyd divide and is do not lie in under two fixed covers, two the inserted bar is equallyd divide and is do not run through two bottom plates and extend to two bottom plate outsides, two the equal fixedly connected with connecting block III in inserted bar bottom, two connecting block III is equallyd divide and do not contact with two bottom plates, two the equal fixedly connected with pull ring in connecting block III bottom.

Particularly, two the connecting rod is the level setting, two the connecting rod one side of keeping away from each other is equallyd divide and is connected with gallows inside rotation through the bearing respectively.

Particularly, the gallows inner wall is controlled the equal fixedly connected with limiting plate in both ends, two the limiting plate all is located the pulley top, two one side bottom that the limiting plate is close to each other is the inward slope setting.

Particularly, the connecting block I is positioned above the connecting block II, and the connecting block I and the connecting block II are horizontally arranged.

Particularly, two hanging openings are formed in the clamping plate.

Particularly, the left end and the right end of each of the two fixing sleeves are fixedly connected with fixing blocks, and the left end and the right end of each of the two fixing blocks are fixedly connected with the inner wall of the through hole respectively.

Particularly, two fixed plate II all is located two fixed plate I tops, and two the external diameter of fixed plate I and fixed plate II is equallyd divide and is unanimous with the internal diameter of two fixed covers respectively, and two fixed plate I and fixed plate II are equallyd divide and are respectively with two fixed cover inner wall fixed connection, and two the inserted bar is equallyd divide and is run through two fixed plate I and fixed plate II respectively.

Particularly, two the fixed cover is controlled both ends and has all been seted up the rectangular channel, four branch is equallyd divide and is do not run through four rectangular channels and extend to four rectangular channels outsides, four the one end that two inserted bars were kept away from respectively to branch is equallyd divide and is do not articulated through pivot and four cardboards.

Compared with the prior art, the invention provides a fixed self-locking following bucket pulley, which has the following beneficial effects:

1. according to the invention, by arranging the top plate and the clamping plates, after the annular fixing frame is hung on a line through the hanging opening by using the hanging rod, the clamping plates can be driven to move downwards, so that the clamping plates extrude the two clamping plates to drive the two clamping plates to approach each other, thereby the two clamping plates can enter the clamping grooves, the two clamping plates return to the original positions under the elastic action of the springs, the clamping plates are clamped, the clamping plates are prevented from being separated from the annular fixing frame, the line can be effectively prevented from falling, and the practicability is high.

2. According to the invention, by pulling the pull ring, the pull ring can pull the insertion rod to move downwards through the connecting block III, so that the insertion rod can pull the two clamping plates to be retracted through the supporting rod, and the clamping plates can be conveniently separated from the connecting block II, therefore, the pull ring type clamping device is higher in practicability and can be very conveniently used and disassembled.

3. According to the rope ladder, the connecting rod is arranged, so that the insulating rope can pass through the pulley, the rope ladder is hoisted through the insulating rope wound on the pulley, the rope ladder can enter, the problem that the insulating rope is abraded in the traditional method is solved, the rope ladder is convenient to use, and the actual using effect is good.

Drawings

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side cross-sectional view of a connecting block I and a connecting block II of the present invention;

FIG. 3 is an enlarged view of A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of B in FIG. 2 according to the present invention.

In the figure: 1 annular mount, 2 gallows, 3 pulleys, 4 connecting rods, 5 limiting plates, 6 connecting block I, 7 connecting block II, 8 roofs, 9 cardboard, 10 hang mouthful, 11 recesses, 12 fixed blocks, 13 draw-in grooves, 14 fixed cover, 15 inserted bars, 16 fixed plates I, 17 fixed plates II, 18 connecting plate I, 19 cardboard, 20 branch, 21 rectangular channel, 22 connecting plate II, 23 spring, 24 bottom plates, 25 connecting block III, 26 pull rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the fixed self-locking bucket-following pulley of the present embodiment comprises an annular fixed frame 1, the annular fixed frame 1 is arranged in an annular shape, a hanger 2 is fixedly connected to the bottom of the annular fixed frame 1, limit plates 5 are fixedly connected to the left and right ends of the inner wall of the hanger 2, the two limit plates 5 are both located above pulleys 3, the bottom of the side, close to each other, of the two limit plates 5 is arranged in an inward inclined manner, the pulleys 3 are arranged inside the hanger 2, connecting rods 4 are fixedly connected to the left and right ends of the pulleys 3, the insulating rope can be wound around the pulleys by arranging the connecting rods 4, and the rope is lifted by the insulating rope wound on the pulleys, so as to achieve entry of the rope, thereby solving the problem of greatly reducing the abrasion of the insulating rope in the conventional method, facilitating the use and achieving good practical use effect, the two connecting rods 4 are arranged horizontally, and the sides, far away from each other, of the two connecting rods 4 are respectively rotatably connected with the inside of the hanger 2 by bearings, the two ends of the annular fixing frame 1 are respectively fixedly connected with a connecting block I6 and a connecting block II7, the connecting block I6 is positioned above a connecting block II7, the connecting block I6 and the connecting block II7 are horizontally arranged, the right side of the annular fixing frame 1 is provided with a clamping plate 9, a top plate 8 and a clamping plate 9 are arranged, after the annular fixing frame 1 is hung on a line through a hanging hole 10 by using a hanging rod, the clamping plate 9 can be driven to move downwards, the clamping plate 9 can extrude two clamping plates 19 to drive the two clamping plates 19 to approach each other, so that the two clamping plates 19 can enter the clamping groove 13, the two clamping plates 19 return to the original positions under the elastic force of a spring 23, the clamping plate 9 is clamped, the clamping plate 9 is prevented from being separated from the annular fixing frame 1, the line can be effectively prevented from falling off, the practicability is high, the two hanging holes 10 are arranged on the clamping plate 9, the top of the clamping plate 9 is fixedly connected with the top plate 8, the top of the connecting block II7 is provided with a groove 11, the clamping plate 9 penetrates through the connecting block I6 and extends to the outside of the connecting block I6, the bottom of the clamping plate 9 penetrates through the groove 11 and extends to the inside of the groove 11 to be contacted with the inner wall of the groove 11, through holes are formed in two ends of the connecting block II7, fixing sleeves 14 are arranged in the two through holes, fixing blocks 12 are fixedly connected to the left and right ends of the two fixing sleeves 14, the left and right ends of the two fixing blocks 12 are respectively and fixedly connected with the inner wall of the through hole, clamping grooves 13 are formed in two ends of the bottom of the clamping plate 9, inserting rods 15 are arranged in the two fixing sleeves 14, the two inserting rods 15 are vertically arranged, a fixing plate I16 and a fixing plate II17 are arranged in the two fixing sleeves 14, two fixing plates II17 are respectively positioned above the two fixing plates I16, the outer diameters of the two fixing plates I16 and the fixing plate II17 are respectively consistent with the inner diameters of the two fixing sleeves 14, the two fixing plates I16 and the II17 are respectively and fixedly connected with the inner walls of the two fixing sleeves 14, the two insert rods 15 respectively penetrate through two fixed plates I16 and a fixed plate II17, the tops of the two insert rods 15 are respectively and fixedly connected with a connecting plate I18, the two connecting plates I18 are respectively contacted with the tops of the inner walls of the two fixing sleeves 14, the left ends and the right ends of the two fixing sleeves 14 are respectively provided with clamping plates 19, the left ends and the right ends of the two fixing sleeves 14 are respectively provided with a rectangular groove 21, four support rods 20 are respectively and respectively penetrated through the four rectangular grooves 21 and extend to the outside of the four rectangular grooves 21, one ends of the four support rods 20 respectively far away from the two insert rods 15 are respectively and respectively hinged with the four clamping plates 19 through rotating shafts, each clamping plate 19 is respectively arranged in an inclined manner with the bottom outwards, the four clamping plates 19 are respectively hinged with the two fixing sleeves 14 through rotating shafts, the four clamping plates 19 are respectively positioned inside the two clamping grooves 13, the left ends and the right ends of the two insert rods 15 are respectively and hinged with the support rods 20 through the rotating shafts, the bottoms of the two fixed plates I16 are respectively provided with two connecting plates II22, the two connecting plates II22 are respectively fixedly connected with the outer surfaces of the two insert rods 15, the outer surfaces of the two insert rods 15 are sleeved with springs 23, the tops of the two springs 23 are respectively contacted with the bottoms of the two connecting plates II22, the two ends of the bottom of the connecting block II7 are respectively fixedly connected with the bottom plates 24, the two bottom plates 24 are respectively positioned under the two fixing sleeves 14, the two insert rods 15 respectively penetrate through the two bottom plates 24 and extend to the outsides of the two bottom plates 24, the bottoms of the two insert rods 15 are respectively and fixedly connected with the connecting block III25, the two connecting blocks III25 are respectively contacted with the two bottom plates 24, the bottoms of the two connecting blocks III25 are respectively and fixedly connected with pull rings 26, by pulling the pull rings 26, the pull rings 26 can pull the insert rods 15 downwards through the connecting blocks III25, so that the insert rods 15 can pull the two clamping plates 19 through the supporting rods 20 to be retracted, so that the clamping plates 9 can be conveniently separated from the connecting block II7, and the practicability of the invention is high, can be used and disassembled conveniently.

When using, it is inside to insert connecting block I6 and connecting block II7 through driving cardboard 9 with roof 8, two cardboard 19 of rethread cardboard 9 extrusion drive two cardboard 19 and are close to each other, thereby make two cardboard 19 get into inside draw-in groove 13, two cardboard 19 push two connecting plates II22 under the spring action of spring 23 and drive two inserted bars 15 and move upwards, thereby can make inserted bar 15 drive two cardboard 19 through two branches 20 and reply the normal position, make cardboard 9 can not separate with connecting block II 7.

In conclusion, the top plate 8 and the clamping plates 9 are arranged, after the annular fixing frame 1 is hung on a line through the hanging opening 10 by using the hanging rod, the clamping plates 9 can be driven to move downwards, the clamping plates 9 can press the two clamping plates 19 to drive the two clamping plates 19 to approach each other, so that the two clamping plates 19 can enter the clamping groove 13, the two clamping plates 19 can return to the original positions under the elastic force of the spring 23, the clamping plates 9 are clamped, the clamping plates 9 are prevented from being separated from the annular fixing frame 1, the line can be effectively prevented from falling off, the practicability is high, the pull ring 26 can pull the inserting rod 15 to move downwards through the connecting block III25 by pulling the pull ring 26, so that the inserting rod 15 can pull the two clamping plates 19 to be retracted through the supporting rod 20, the clamping plates 9 can be conveniently separated from the connecting block II7, the practicability of the invention is high, and the use and the disassembly of the invention are very convenient, through setting up connecting rod 4, can walk around the pulley with insulating rope to hoist the rope ladder through winding on the pulley, realize that the rope ladder gets into, solved the problem that traditional approach has reduced the wearing and tearing of insulating rope greatly, make its convenient to use, the in-service use is effectual.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixed auto-lock is with fill coaster, includes annular mount (1), its characterized in that: the annular fixing frame (1) is arranged in an annular shape, the bottom of the annular fixing frame (1) is fixedly connected with a hanging frame (2), a pulley (3) is arranged in the hanging frame (2), the left end and the right end of the pulley (3) are fixedly connected with a connecting rod (4), the two ends of the annular fixing frame (1) are respectively and fixedly connected with a connecting block I (6) and a connecting block II (7), a clamping plate (9) is arranged on the right side of the annular fixing frame (1), the top of the clamping plate (9) is fixedly connected with a top plate (8), the top of the connecting block II (7) is provided with a groove (11), the clamping plate (9) penetrates through the connecting block I (6) and extends to the outside of the connecting block I (6), the bottom of the clamping plate (9) penetrates through the groove (11) and extends to the inside of the groove (11) to be contacted with the inner wall of the groove (11), and the two ends of the connecting block II (7) are provided with through holes, two fixing sleeves (14) are arranged inside the through holes, clamping grooves (13) are formed in the two ends of the bottom of each clamping plate (9), inserting rods (15) are arranged inside the two fixing sleeves (14), the two inserting rods (15) are vertically arranged, fixing plates I (16) and fixing plates II (17) are arranged inside the two fixing sleeves (14), connecting plates I (18) are fixedly connected to the tops of the two inserting rods (15), the two connecting plates I (18) are respectively contacted with the tops of the inner walls of the two fixing sleeves (14), clamping plates (19) are arranged at the left end and the right end of each fixing sleeve (14), each clamping plate (19) is respectively obliquely arranged with the bottom outwards, the four clamping plates (19) are respectively hinged with the two fixing sleeves (14) through rotating shafts, and the four clamping plates (19) are respectively positioned inside the two clamping grooves (13), the left end and the right end of each of the two insert rods (15) are respectively hinged with a support rod (20) through a rotating shaft;

two connecting plates II (22) are arranged at the bottoms of the two fixing plates I (16), the two connecting plates II (22) are respectively fixedly connected with the outer surfaces of the two insert rods (15), springs (23) are sleeved on the outer surfaces of the two insert rods (15), and the tops of the two springs (23) are respectively contacted with the bottoms of the two connecting plates II (22);

two fixed cover (14) are controlled both ends and have all been seted up rectangular channel (21), four branch (20) are equallyd divide and are do not run through four rectangular channel (21) and extend to four rectangular channel (21) outsides, four the one end that two inserted bars (15) were kept away from respectively in branch (20) is equallyd divide and do not articulate through pivot and four cardboard (19).

2. The fixed self-locking heel car pulley according to claim 1, wherein: connecting block II (7) bottom both ends equal fixedly connected with bottom plate (24), two bottom plate (24) are equallyd divide and do not are located under two fixed covers (14), two inserted bar (15) are equallyd divide and do not run through two bottom plates (24) and extend to two bottom plates (24) outsidely, two the equal fixedly connected with connecting block III (25) in inserted bar (15) bottom, two connecting block III (25) are equallyd divide and do not contact with two bottom plates (24), two the equal fixedly connected with pull ring (26) in connecting block III (25) bottom.

3. The fixed self-locking heel car pulley according to claim 1, wherein: two connecting rod (4) are the level setting, two one side that connecting rod (4) kept away from each other is equallyd divide and is do not rotated through bearing and gallows (2) inside and be connected.

4. The fixed self-locking heel car pulley according to claim 1, wherein: gallows (2) inner wall left and right sides equal fixedly connected with limiting plate (5) in both ends, two limiting plate (5) all are located pulley (3) top, two one side bottom that limiting plate (5) are close to each other is the inside slope setting.

5. The fixed self-locking heel car pulley according to claim 1, wherein: connecting block I (6) are located connecting block II (7) top, connecting block I (6) and connecting block II (7) are the horizontal setting.

6. The fixed self-locking heel car pulley according to claim 1, wherein: the clamping plate (9) is provided with two hanging openings (10).

7. The fixed self-locking heel car pulley according to claim 1, wherein: two both ends equal fixedly connected with fixed block (12) about fixed cover (14), two both ends are equallyd divide respectively with through-hole inner wall fixed connection about fixed block (12).

8. The fixed self-locking heel car pulley according to claim 1, wherein: two fixed plate II (17) all are located two fixed plate I (16) tops, two the external diameter of fixed plate I (16) and fixed plate II (17) is equallyd divide and is unanimous with the internal diameter of two fixed covers (14), two fixed plate I (16) and fixed plate II (17) are equallyd divide respectively with two fixed cover (14) inner wall fixed connection, two inserted bar (15) are equallyd divide and are run through two fixed plate I (16) and fixed plate II (17) respectively.