CN212531843U - Winding frame for grounding wire - Google Patents

Abstract

The utility model discloses a reeling frame for grounding wires, which comprises a bracket and a wire reel. A rotating shaft is fixed in the center of the wire reel, one end of the rotating shaft is rotatably connected to the bracket, and the rotating shaft is driven by a handle, comprising: A fixing frame arranged on a support, a threading block is arranged on the fixing frame, a driving component 1 that drives the reciprocating motion of the threading block is arranged between the rotating shaft 1 and the support, a threading hole is arranged on the threading block, and the ground wire passes through the threading The hole is connected with the wire reel, and the threading block is provided with a limit component that restricts the grounding wire from being pulled out and/or rolled into the wire reel. The utility model can realize orderly pay-out or take-up. The end of the wire is fixed.

Description

Winding frame for grounding wire

Technical Field

The utility model belongs to the technical field of the power equipment technique and specifically relates to a roll-up frame for earth connection is related to.

Background

According to the regulations of national grid safety work rules (power transformation part) of the national grid safety supervision (2009) 664, technical measures for ensuring safety are required to be taken when electrical equipment works, wherein the arrangement of a grounding wire is the most important and direct safety technical measure for ensuring personal and equipment safety. The conventional preventive test and maintenance of transformer substations, power plants and phase modifier stations in spring and autumn every year, the foundation construction, technical improvement, overhaul and conventional maintenance sites all need to use frequent dismounting grounding wires, and the grounding wires can be stored and taken up and paid off conveniently by means of a cable rack.

The utility model discloses a chinese utility model patent that publication number is CN209684999U discloses a cable pay off rack, which comprises a supporting rack, the support frame includes two T type support frame mobile jib and the horizontal pole of vertical fixation between two T type support frame mobile jib, is equipped with the through-hole on the T type support frame mobile jib, and the rotation axis one-end is solid connected at the cable roller center, and the other end is pegged graft in the through-hole, still is equipped with the accuse on this cable pay off rack's the T type support frame mobile jib to the device, the accuse includes the swing arm, and the accuse is to the pole, walks the line piece, moves towards the mechanism that the line direction was walked in the piece is equipped with the control, makes to walk the line and can only move to a direction, but can only pay off, can not orderly receive the line, and when receiving the line is accomplished, can' T.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at prior art's not enough, provide a roll-up frame for earth connection, realize orderly unwrapping wire or receive the line, receive the line and accomplish the back, can be fixed with the end of earth connection.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a roll-up frame for earth connection, includes support and drum, the fixed pivot of drum center is first, a pivot tip rotates to be connected on the support, pivot one is through a drive of handle, including setting up mount one on the support, set up the threading piece on the mount one, set up drive assembly one of drive threading piece reciprocating motion between pivot one and the support, set up the through wires hole on the threading piece, the earth connection passes the through wires hole and is connected with the drum, set up the spacing subassembly that the restriction earth connection was taken out and/or was drawn into the drum on the threading piece.

Further, mount is gone up and is set up reciprocal lead screw, threading piece threaded connection is on reciprocal lead screw, set up on the support with threading piece assorted prevent revolving the hole, drive assembly one includes gear one and gear two, gear one sets up on reciprocal lead screw, gear two sets up in pivot one, set up the gear belt between gear one and the gear two.

Furthermore, the limiting assembly comprises two first rollers, the rotating directions of the two first rollers are opposite, a mounting hole is formed in the threading block, the first rollers are arranged on the upper portion of the mounting hole, a first driving assembly for driving the two first rollers to move up and down and fix is arranged on the threading block, and the mounting hole below the first roller is a threading hole.

Furthermore, the lower part of the mounting hole is rotatably connected with two or more second rollers, and the mounting hole between the first roller and the second roller is a threading hole.

Furthermore, a first clearing hole for a grounding wire to pass through is formed in the side face of the wire coil, a grounding wire end clamping device is arranged outside the wire coil, and the grounding wire end is clamped by the clamping device after passing through the first clearing hole.

Furthermore, the gear II is rotatably connected to the first rotating shaft through a first bearing, the first rotating shaft is slidably connected with a sliding plate, and a second driving assembly for driving the sliding plate to be close to or far away from the gear II is arranged on the first rotating shaft.

Furthermore, a second handle is arranged on the reciprocating screw rod and used for driving the second handle to rotate.

Further, a high-friction coating is arranged on the contact surface of the sliding plate and the second gear.

The utility model has the advantages that:

the driving assembly can drive the threading block to reciprocate, when the wire is taken up, the grounding wires are orderly wound on the wire coil layer by layer, and the limiting assembly limits that the grounding wires can only be wound and can not be drawn out; during paying off, the grounding wires are sequentially sent out from the wire coil layer by layer; the limiting assembly limits the ground wire to be drawn out only and not to be rolled in; when the coiling is completed, the broken ends of the grounding wires are fixed by the limiting assembly, the grounding wires cannot be rolled in or drawn out, the end heads of the grounding wires are fixed, and the end heads are not easy to fall off.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural view of a threading block in the first embodiment;

fig. 3 is a schematic structural diagram of a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of a third embodiment of the present invention;

FIG. 5 is a schematic view of the structure of the clamping device;

fig. 6 is a schematic structural diagram of a fourth embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a second rotating shaft and a connecting member thereof in the fourth embodiment;

FIG. 8 is a schematic view of a screw and its connecting assembly;

the device comprises a support 1, a wire coil 2, a rotating shaft 3, a rotating shaft 4, a handle I, a fixing frame I, a threading block 6, a reciprocating screw 7, an anti-rotation hole 8, a gear I, a gear II, a gear belt 11, a roller I, a roller II, a cleaning hole I, a bearing I, a sliding plate 16, a handle II, a universal ball 18, a fixing frame II, a bearing III, a rotating shaft II, a bolt I, a bolt III, a fixing frame III, a cleaning hole II, a sliding plate 26, a bulge 27, a sliding hole 28, a bolt II, a screw 30, a threaded sleeve 31 and a disk 32.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Fig. 1-2 show a first embodiment of the present invention, a winding frame for ground wire, including a support 1 and a wire coil 2, as shown in fig. 1, a first rotating shaft of the wire coil 2 center through welding and other fixed steel round shaft structures, a first 3 rotating shaft both ends are connected on the support 1, and the connection mode is: two ends of a first rotating shaft 3 are welded with a second bearing, a through hole matched with the second bearing is processed on the support 1, the outer ring outer wall of the second bearing is fixed in the through hole in a viscose glue mode and the like, the first rotating shaft 3 is driven by a first handle 4, and the first handle 4 is welded on one end face of the first rotating shaft 3.

The top end of a support 1 is welded with a first fixing frame 5, the first fixing frame 5 is a concave frame, a threading block 6 is arranged on the first fixing frame 5, the threading block 6 is a cuboid block structure, a mounting hole and a screw hole are machined in the cuboid block structure through a lathe, a reciprocating lead screw 7 is connected with an internal thread of the screw hole, two ends of the reciprocating lead screw 7 are welded on two vertical plates of the fixing frame 5, an anti-rotation hole 8 matched with the threading block 6 is machined on a transverse plate of the first fixing frame 5 through the lathe, universal balls 18 are mounted on two side walls of the threading block 6, the universal balls 18 are in contact with two side walls of the anti-rotation hole 8, a first driving component for driving the threading block 6 to reciprocate is arranged between a first rotating shaft 3 and the support 1 and comprises a first gear 9 and a second gear 10, the first gear 9 is welded on the reciprocating lead screw 7, the second gear 10 is welded on a first rotating shaft 2, the first driving rotating shaft 2 rotates, the reciprocating lead screw 7 synchronously rotates, and the threading block 6 is driven to reciprocate left and right.

Set up the through wires hole on threading piece 6, the earth connection passes the through wires hole and is connected with drum 2, sets up the spacing subassembly that the restriction earth connection was taken out and/or was drawn into drum 2 on threading piece 6, as shown in fig. 2, spacing subassembly includes two gyro wheels one 12, and the direction of rotation of two gyro wheels one 12 is opposite, and gyro wheel one 12 sets up on mounting hole upper portion, and the setting mode is: two fixing frames 19 are arranged on the upper portion of the mounting hole, the fixing frames 19 are concave frames, a roller wheel 12 is rotatably connected in each fixing frame 19, the roller wheel 12 is of a circular shell-shaped structure, two bearings 20 are fixed in the roller wheel 12 through adhesive, two bearings three 21 are fixed in the other roller wheel 12, the bearings two 20 and the bearings three 21 are one-way bearings with opposite rotating directions, rotating shafts two 22 are fixed in the two bearings two 20 and the two bearings three 21 through the adhesive respectively, two ends of each rotating shaft two 22 are fixed between vertical plates of the fixing frames two 19 through the adhesive, and at the moment, the rotating directions of the two roller wheels one 12 are opposite. The threading block 6 is provided with a driving assembly for driving the two rollers I12 to move up and down respectively and fix, the driving assembly is a bolt I23, two screw holes are vertically formed in the top wall of the mounting hole through a tapping machine, the bolt I23 is in threaded connection with the screw holes, a through hole is formed in the top plate of the fixing frame II 19 through a punching machine, a bearing II is welded in the through hole, a stud of the bolt I23 is fixed in the bearing II through viscose, two vertical plates of the fixing frame II 19 are attached to the side wall of the mounting hole, at the moment, the bolt I23 is screwed forward or reversely, the fixing frame II 19 moves up and down along with the stud, and the mounting hole below the roller I12 is a threading hole.

When the wire is required to be taken up, the end of the grounding wire penetrates through the threading hole and then is connected with the wire coil 2, the first bolt 23 close to the wire coil 2 is screwed, the first roller 12 corresponding to the first bolt 23 and the bottom of the threading hole clamp the grounding wire, the first handle 4 is rotated, the first rotating shaft 3 and the reciprocating screw 7 synchronously rotate, the threading block 6 reciprocates left and right, the grounding wire is wound on the wire coil 2 layer by layer in order, the grounding wire can only move towards the wire coil 2 under the limiting of the one-way gear, the grounding wire close to the wire coil 2 is always subjected to the tension far away from the wire coil 2 because the grounding wire is longer and drags the ground, the first handle 4 stops rotating and has no external force, the grounding wire cannot be drawn out under the limiting of the one-way gear, and the wire taking-up work of;

when the wire take-up is completed, the two bolts I23 are simultaneously screwed, the end of the grounding wire is fixed and cannot move, and the problem that the end of the grounding wire is easy to disengage is solved;

when needing the unwrapping wire, will keep away from the bolt 23 of drum 2 and twist downwards, the bolt 23 that is close to drum 2 is twisted upwards, make gyro wheel 12 and the threading hole bottom of keeping away from drum 2 press from both sides the earth connection tightly, rotate handle 4, pivot 3 and reciprocal lead screw 7 synchronous revolution, reciprocating motion about threading piece 6, the earth connection is orderly drum 2 that breaks away from layer upon layer, under one-way gear's spacing, the earth connection can only be to the direction motion of keeping away from drum 2, the earth connection is when the in-process of laying receives thrust effect, receive one-way gear's restriction, the earth connection can not be to 2 direction motions of drum, the earth connection can not be loose, can not cause the influence to earth connection's unwrapping wire work.

Example two

As shown in fig. 3, the second embodiment of the present invention is to reduce the friction between the ground wire and the lateral edge of the bottom of the threading hole, protect the ground wire, and connect two three rollers 13 with the lower part of the mounting hole rotating, wherein, the two rollers 13 located at both sides protrude the mounting hole to prevent the ground wire from contacting the lateral edge of the bottom of the threading hole, and the two rollers 13 are arranged in the following manner: the second roller 13 is of a circular shell structure, the two bearings five are fixed in the second roller 13 through viscose, the bearings five are common rolling bearings, the rotating shaft three is fixed in the bearings five through viscose, two ends of the rotating shaft three are fixed on the side wall of the mounting hole through viscose, and at the moment, the mounting hole between the first roller 12 and the second roller 13 is a threading hole.

EXAMPLE III

As shown in fig. 4 and 5, a first clearing hole 14 through which the grounding wire can pass is punched on the side surface of the wire coil 2 through a punching machine, a grounding wire end clamping device is arranged outside the wire coil 2, the structure of the clamping device is shown in fig. 5, and the clamping device comprises a fixing frame three 24, the fixing frame three 24 is fixedly arranged on the outer side of the wire coil 2 through a bolt one, a second clearing hole 25 corresponding to the first clearing hole 14 is punched on the right side plate of the fixing frame three 24 through the punching machine, a sliding sheet 26 is in sliding connection in the fixing frame three 24, a bolt hole is punched on the side wall of the fixing frame three 24 through a tapping machine, a bolt two 29 is connected in a screw hole, a bearing six is welded at the end part of the bolt two 29, the bearing six is a common rolling bearing, a through hole is punched on the sliding sheet 26 through the punching machine, the bearing six is fixed in the through an, the top of the sliding sheet is welded with a bulge 27, and the third fixed frame 24 is cut into a sliding hole 28 matched with the bulge 27 through a cutting machine.

When the grounding wire fixing device is used, after the end of the grounding wire penetrates through the first clearing hole and the through hole, the second bolt 29 is screwed, the sliding sheet 26 and the side wall of the third fixing frame 24 clamp the other end of the grounding wire, the fixing is convenient, the winding of the grounding wire is convenient, and the end is not easy to separate.

Example four

As shown in fig. 6-8, the third embodiment of the present invention is the present invention, when receiving the wire, the situation that the threading block 6 is located at the middle of the reciprocating screw 7 may occur, at this moment, the wire is received, the ground wire is not closely arranged on the wire coil 2 layer by layer, the length of the ground wire that the wire coil 2 can accommodate is shortened, in order to solve the problem, as shown in fig. 7, the second gear 10 is rotatably connected on the first rotating shaft 3 through the first bearing 15, the inner peripheral surface of the first bearing 3 inner ring is fixed on the first rotating shaft 3 through the adhesive, the inner wall of the second gear 10 through hole is fixed on the outer peripheral surface of the first bearing 3 outer ring through the adhesive, the sliding connection sliding plate 16: a blind hole is punched at the end part of the first rotating shaft 3 close to the sliding plate 16 through a punching machine, a through hole communicated with the blind hole is machined on the first rotating shaft 3 close to the second gear 10 through a lathe, the through hole and the blind hole are crossed and cross, the sliding plate 16 is sleeved on the first rotating shaft 3, the sliding plate 16 can slide left and right in the through hole, a second driving component for driving the sliding plate 16 to be close to or far from the second gear 10 is arranged on the first rotating shaft 3, the second driving component comprises a screw rod 30 inserted in the blind hole, the end surface of the screw rod 30 positioned in the blind hole is fixed at the center of the sliding plate 16 through viscose glue, an annular groove is machined at the end part of the first rotating shaft 3 close to the sliding plate 16, a seventh bearing is fixed through viscose glue in the annular groove, the seventh bearing is a common rolling bearing, a threaded sleeve 31 is fixed through viscose glue in the seventh bearing, the disc 32 is provided with threads matched with the threads in the thread sleeve 31 through a tapping machine, the disc 32 is screwed in different directions, the sliding plate 16 moves leftwards or rightwards, taking fig. 7 as an example, the sliding plate 16 moves leftwards to be tightly attached to the second gear 10, and at the moment, under the action of static friction force between the sliding plate 16 and the second gear 10, the first rotating shaft 3 and the second gear 10 rotate synchronously; the sliding part 16 moves rightwards to be separated from the second gear 10, at the moment, the first rotating shaft 3 is rotated, and the second gear 10 cannot rotate; as shown in figure 6, a second handle 17 is welded at the end part of the reciprocating lead screw 7, the second handle 17 is rotated, the reciprocating lead screw 7 rotates, the first rotating shaft 3 does not rotate, and the threading block 6 can be driven to move to the position corresponding to the first clearing hole 14.

In order to increase the static friction force between the sliding plate 16 and the second gear 10 and ensure that the reciprocating screw 7 and the first rotating shaft 3 rotate synchronously, the surface of the sliding plate 16, which is in contact with the second gear 10, is coated with a high-friction coating, and the surface of the second gear 10, which is in contact with the sliding plate 16, is also coated with a high-friction coating.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (8)

1. A reeling frame for grounding wires, comprising a bracket (1) and a wire reel (2), wherein a rotating shaft one (3) is fixed in the center of the wire reel (2), and both ends of the rotating shaft one (3) are rotatably connected to each other. On the bracket (1), the first rotating shaft (3) is driven by the handle one (4), which is characterized in that it includes a fixing frame 1 (5) arranged on the bracket (1), and the fixing frame 1 (5) is on the A threading block (6) is provided, and a driving component 1 for driving the threading block (6) to reciprocate is provided between the first (3) of the rotating shaft (3) and the bracket (1), and a threading hole is provided on the threading block (6), and the grounding wire is passed through It is connected to the wire reel (2) through the wire threading hole, and the wire threading block (6) is provided with a limit component that restricts the ground wire from being pulled out and/or rolled into the wire reel (2). 2 . The grounding wire retractor according to claim 1 , wherein a reciprocating screw ( 7 ) is arranged on the fixing frame 1 ( 5 ), and the threading block ( 6 ) is threadedly connected to the reciprocating screw. 3 . On the lead screw (7), the bracket (1) is provided with an anti-rotation hole (8) matching the threading block (6). The first gear (9) is arranged on the reciprocating screw (7), the second gear (10) is arranged on the rotating shaft one (3), and a gear belt is arranged between the first gear (9) and the second gear (10). (11). 3 . The grounding wire retractor according to claim 1 , wherein the limiting assembly comprises two rollers ( 12 ), and the two rollers ( 12 ) rotate in opposite directions, so 3 . The threading block (6) is provided with a mounting hole, the roller one (12) is arranged on the upper part of the mounting hole, and the threading block (6) is provided with a driving assembly that drives two rollers one (12) to move up and down respectively and is fixed. , the installation hole under the roller one (12) is the threading hole. 4 . The grounding wire retractor according to claim 3 , wherein the lower part of the mounting hole is rotatably connected to two or more two rollers ( 13 ), and the first roller ( 12 ) and the second roller are rotatable. 5 . The mounting holes between (13) are threading holes. 5 . The grounding wire retractor according to claim 1 , wherein the side of the wire reel ( 2 ) is provided with a clearing hole one ( 14 ) for the ground wire to pass through, and the wire reel ( 2 ) ) is provided with a clamping device for the end of the grounding wire, and the end of the grounding wire is clamped by the clamping device after passing through the clearing hole one (14). 6 . The grounding wire retractor according to claim 2 , wherein the second gear ( 10 ) is rotatably connected to the first rotating shaft ( 3 ) through the first bearing ( 15 ), and the first rotating shaft ( 3) The upper sliding plate (16) is slidably connected, and the first rotating shaft (3) is provided with a second driving component that drives the sliding plate (16) to be close to or away from the second gear (10). 7 . The grounding wire retractor according to claim 2 , wherein a second handle ( 17 ) is provided on the reciprocating screw ( 7 ) for driving the second handle ( 17 ) to rotate. 8 . 8 . The reeling frame for grounding wires according to claim 6 , wherein a high friction coating is provided on the surface of the sliding plate ( 16 ) in contact with the second gear ( 10 ). 9 .

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