CN216056031U

CN216056031U - Overhead line stringing and tightening device

Info

Publication number: CN216056031U
Application number: CN202121696270.2U
Authority: CN
Inventors: 刘润利; 甄伟; 滕文辉; 马桂达; 黄伟东
Original assignee: Beijing Guodian Tianyu Construction Engineering Co ltd
Current assignee: Beijing Guodian Tianyu Construction Engineering Co ltd
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2022-03-15
Anticipated expiration: 2031-07-24

Abstract

The application relates to the field of infrastructure engineering machinery, in particular to an overhead line stringing and tightening device which comprises a bearing plate, a positioning plate, a guide plate and a driven roller, wherein the bearing plate is horizontally arranged, the upper surface of the bearing plate is fixedly connected with the positioning plate and the guide plate which are opposite to each other, and the top of the positioning plate is hinged with an inclined plate; the top of the guide plate is provided with a closed plate, a hole is formed in the center of one side, facing the positioning plate, of the closed plate, the closed plate is divided into an upper split plate and a lower split plate by taking the axis of the hole as a boundary, the upper split plate is hinged to the lower split plate, the hinged part of the upper split plate and the lower split plate is located on one side, away from the positioning plate, of the guide plate, the top of the upper split plate is provided with a bolt, and the bolt penetrates through the upper split plate and then is in threaded connection with the lower split plate; one end of the driven roll shaft is abutted against the closing plate in the shaft hole, the other end of the driven roll shaft is fixedly connected with the inclined plate, and the driven roll rotates around the shaft of the driven roll shaft. This application is convenient for put into the effect of take-up unit with the overhead line before the take-up.

Description

Overhead line stringing and tightening device

Technical Field

The application relates to the field of infrastructure engineering machinery, in particular to an overhead line stringing and tightening device.

Background

The overhead line is an overhead open line erected on the ground, and is a power transmission line for transmitting power by fixing a power transmission lead on a tower erected on the ground through an insulator. The line tightening refers to traction of the overhead line, so that the sag of the overhead line meets the design requirement.

At present, when an overhead line of a power transmission line is tightened, a motor-driven winching machine, a guide pulley, a traction rope, a line tightening pulley and a chain block are needed to be used, the line tightening pulley is fixed on a cross arm of a tower during tightening, one end of the traction rope is connected with the power transmission line, the other end of the traction rope is connected to the motor-driven winching machine after passing through the hoisting pulley, the line tightening pulley and the guide pulley, and then the motor-driven winching machine is started to tighten the line.

In view of the above-mentioned related technologies, the inventor believes that during stringing, the overhead line needs to be pulled on the ground to be matched with a crane to be placed in a stringing device, which is inconvenient and affects stringing efficiency.

SUMMERY OF THE UTILITY MODEL

In order to put the overhead wire into the wire tightening device before the wire tightening, the application provides an overhead wire tightening device.

An overhead line stringing and tightening device comprises a bearing plate, a positioning plate, a guide plate and a driven roller, wherein the bearing plate is horizontally arranged, the upper surface of the bearing plate is fixedly connected with the positioning plate and the guide plate which are opposite to each other, and the top of the positioning plate is hinged with an inclined plate; the top of the guide plate is provided with a closed plate, a hole is formed in the center of one side, facing the positioning plate, of the closed plate, the closed plate is divided into an upper split plate and a lower split plate by taking the axis of the hole as a boundary, the upper split plate is hinged to the lower split plate, the hinged part of the upper split plate and the lower split plate is located on one side, away from the positioning plate, of the guide plate, the top of the upper split plate is provided with a bolt, and the bolt penetrates through the upper split plate and then is in threaded connection with the lower split plate; one end of the driven roll shaft is abutted against the closing plate in the shaft hole, the other end of the driven roll shaft is fixedly connected with the inclined plate, and the driven roll rotates around the shaft of the driven roll shaft.

Through adopting above-mentioned technical scheme, the loading board is the loading main part of this application, and driven shaft one end difference fixed connection is in the sloping pole at locating plate top, and the driven shaft other end rotates with the closing plate of deflector to be connected, and the tilting plate can realize with the articulated of locating plate that the tilting plate drives the driven shaft and rotates around articulated part, and the last minute board of closing plate is articulated with minute board down for the driven voller surface can be kept away from to the last minute board, and the displacement can take place for the driven voller. Therefore, one end of the driven shaft abutted with the closed plate can be lifted up and rotates around the other end of the driven shaft, when the overhead line needs to be clamped, the driven shaft is lifted up, and the overhead line can be easily placed below the driven shaft.

Optionally, the positioning plate is provided with a clamping hole in the vertical direction, a lead screw is mounted on the positioning plate in the vertical direction, and the lead screw is located inside the clamping hole; a movable block is arranged in the clamping hole in a sliding manner along the vertical direction, and the movable block is in threaded connection with the screw rod; a sliding groove is formed in the surface of one side, opposite to the positioning plate, of the guide plate, the guide plate is fixedly connected with a guide rail in the vertical direction, the guide rail is located inside the sliding groove, a linkage block is arranged inside the sliding groove, the linkage block and the movable block are located at the same vertical height, and the guide rail vertically penetrates through the linkage block and is in sliding fit with the linkage block; the locating plate fixedly connected with initiative subassembly, initiative subassembly include the drive roll, and the drive roll both ends rotate with movable block and linkage piece and are connected.

Through adopting above-mentioned technical scheme, driven voller both ends respectively with movable block, linkage piece fixed connection, the movable block can slide from top to bottom with the linkage piece simultaneously this moment, through the position of the adjustable movable block of adjusting the lead screw, realize adjusting the height of drive roll, during the tight line, adjust the drive roll to vertical ascending direction for drive roll and driven voller can press from both sides the tight overhead line between the two, and can press from both sides the tight overhead line of different models.

Optionally, one side bottom fixed mounting that the movable block deviates from the linkage block has the objective table, the initiative subassembly still includes the motor, objective table upper surface and motor fixed connection, the output shaft and the drive roll fixed connection of motor.

Through adopting above-mentioned technical scheme, the objective table makes the motor can follow the drive roll up-and-down motion together for the drive roll can independently rotate, drives the overhead line motion of pressing from both sides tightly between drive roll and the driven voller, realizes the effect of tight line.

Optionally, an adjusting assembly is arranged at the bottom of the screw rod, the adjusting assembly comprises a transmission bevel gear, a driving bevel gear, a hand wheel and a square block, the transmission bevel gear penetrates through the bottom of the screw rod and is fixedly connected with the screw rod, and the driving bevel gear is meshed with the transmission bevel gear; the bearing plate upper surface fixedly connected with square, the square is located the side that the driving gear deviates from the lead screw, and hand wheel one end passes behind the square and is connected with driving bevel gear central point fixed connection.

Through adopting above-mentioned technical scheme, use drive bevel gear and the mode of transmission bevel gear intermeshing, in addition the hand wheel that sets up, when adjusting the lead screw, the user only need rotate the hand wheel can, the convenience user adjusts the drive roll height.

Optionally, the surfaces of the driving roller and the driven roller are coated with anti-slip pads.

By adopting the technical scheme, during wire tightening, the driving roller and the driven roller clamp the overhead wire tightly, the overhead wire is displaced, the overhead wire is tightened, and the possibility that the overhead wire slips between the driving roller and the driven roller can be reduced by the anti-slip mat.

Optionally, bearing plate upper surface fixed mounting has two fixed plates, and two fixed plates set up relatively, and the fixed plate is located the one end of keeping away from the locating plate, the top of fixed plate is rotated and is connected with the roller that tightens up, and tightens up the roller and be parallel with the driven roller.

Through adopting above-mentioned technical scheme, the effect of fixed plate is fixed roller of tightening up, during the tight line, overhead line at first passes through from the bottom of tightening up the roller, later pass the space between drive roll and the driven voller, overhead line is at the atress of tightening up roller department, and make overhead line get into the space between drive roll and the driven voller with the ascending angle of slope, can make the overhead line that is in between fixed plate and the locating plate present the state of tightening up, make tight line in-process, overhead line is changeed and is passed through the route between fixed plate and the locating plate.

Optionally, the wheel is installed to the loading board bottom, and the wheel is provided with the piece of stopping.

Through adopting above-mentioned technical scheme, the setting up of wheel has made things convenient for the removal of this application and has taken, and the piece of stopping can fix this application on the workplace, realizes stable work.

Optionally, a working cover is installed on the top of the bearing plate.

Through adopting above-mentioned technical scheme, the work cover can cover drive roll, driven voller and take up the pinch roll in the tight line work, not only can play the effect of protection this application part, also can prevent the condition emergence that the user carelessly was hurt by this application during the work.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when preparation work is carried out before the wire is tightened, the driven roller can tilt upwards in an inclined mode, and the effect that overhead wires are convenient to place is achieved;

2. in the wire tightening process, the overhead wire is clamped by the driving roller and the driven roller after the height of the driving roller is adjusted, and the driving roller can drive the overhead wire to move, so that the purpose of clamping the overhead wires of different types is achieved;

3. the arrangement of the hand wheel, the wheel and the working cover ensures the safety of the wire tightening work and provides convenience for users.

Drawings

Fig. 1 is a schematic structural view of an overhead wire stringing device;

FIG. 2 is a schematic view of an internal structure of an overhead wire stringing and tightening device;

FIG. 3 is a schematic view of the structure intended to emphasize the connection of the driving assembly with the driven rollers;

FIG. 4 is a schematic view of the structure of the guide plate;

FIG. 5 is a schematic view of the structure intended to emphasize the connection of the adjustment assembly to the lead screw;

fig. 6 is a sectional view intended to emphasize the position of the non-slip mat.

Description of reference numerals: 1. a carrier plate; 2. an appearance component; 21. a working cover; 211. a through hole; 22. a wheel; 221. a brake sheet; 3. positioning a plate; 31. an inclined plate; 32. a clamping hole; 33. a lead screw; 34. a movable block; 341. an object stage; 4. an adjustment assembly; 41. a drive bevel gear; 42. a drive bevel gear; 43. a hand wheel; 44. a square block; 5. a guide plate; 51. a closing plate; 511. an upper board dividing; 5111. a bolt; 512. a lower board; 52. a chute; 53. a guide rail; 54. a linkage block; 6. a driven roller; 7. an active component; 71. a drive roll; 72. a motor; 8. a fixing plate; 9. a take-up roll; 10. a non-slip mat.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses overhead line stringing and tightening device. Referring to fig. 1 and 2, the apparatus includes a loading plate 1, an appearance assembly 2, a positioning plate 3, an adjustment assembly 4, a guide plate 5, a driven roller 6, a driving assembly 7, a fixing plate 8, and a takeup roller 9.

The horizontal setting of loading board 1, locating

plate

3 and 5 relative installations in the upper surface of loading board 1 of deflector, locating plate 3 and deflector 5 are located the one end of loading board 1, and driven voller 6 both ends rotate respectively to be connected in 3 tops of locating plate and 5 tops of deflector, and 7 one ends of initiative subassembly are connected in locating plate 3, and 7 other ends of initiative subassembly rotate to be connected in deflector 5, and initiative subassembly 7 is located the below of driven voller 6. The driving component 7 can move towards the driven roller 6, and the distance between the driving component and the driven roller 6 is reduced.

The fixed surface of the loading board 1 is far away from the other end of the positioning board 3 and is provided with a fixed plate 8, and the top of the fixed plate 8 is rotatably connected with a tightening roller 9. When the overhead wire passes through the gap between the driving component 7 and the driven roller 6 after passing through the lower part of the take-up roller 9, the take-up roller 9 provides a pivot for the overhead wire circuit, so that the overhead wire is taken up and can pass through the path more easily.

Referring to fig. 1, the appearance assembly 2 includes a working cover 21 and a wheel 22, wherein the working cover 21 can be mounted on the edge of the upper surface of the bearing plate 1 by magnet attraction. Work cover 21 sets up in the top of loading board 1, and work cover 21 both sides can supply the overhead line to pass, and through-hole 211 has been seted up at work cover 21 top, and before this application work, put into the overhead line from work cover 21 one side, correspond the side from work cover 21 again and take out, and outward appearance subassembly 2 can reduce the staff mistake and touch the inner assembly and take place dangerous possibility with this application inside subassembly and external interval. Wheel 22 installs in the lower surface of loading board 1, makes this application can remove according to the work demand, and wheel 22 is provided with the piece 221 of stopping, and when this application need not remove, the piece 221 of stopping can fixed wheel 22, and restriction wheel 22 takes place the displacement.

Referring to fig. 3 and 4, the positioning plate 3 and the guide plate 5 are vertically fixed at an edge of one end of the top of the bearing plate 1, and the positioning plate 3 is opposite to the guide plate 5. The top of the positioning plate 3 is hinged with an inclined plate 31, the top of the guide plate 5 is fixedly connected with a closed plate 51, a hole is formed in the central position of the closed plate 51 facing one side of the positioning plate 3, the closed plate 51 is divided into an upper plate 511 and a lower plate 512 by taking the axis of the hole as a boundary, the bottom of the upper plate 511 is hinged to the top of the lower plate 512, the bottom of the lower plate 512 is fixedly connected with the guide plate 5, the hinged part of the closed plate 51 is positioned on one side deviating from the positioning plate 3, a bolt 5111 is arranged on the top of the upper plate 511, and the bolt 5111 penetrates through the upper plate 511 and then is in threaded connection with the lower plate 512.

The driven roller 6 has a shaft in the middle thereof, the driven roller 6 rotates around its own shaft, one end of the shaft of the driven roller 6 abuts against the closing plate 51 in the hole of the closing plate 51, and the other end of the shaft of the driven roller 6 is fixedly connected to the inclined plate 31.

After the bolt 5111 is unscrewed and the upper divided plate 511 is rotated around the hinge shaft, the end of the driven roller 6 in contact with the closing plate 51 can be lifted up, and the driven roller 6 can be rotated around the hinge shaft of the hinge portion of the inclined plate 31, which is convenient for a user to place an overhead line under the driven roller 6.

Furthermore, a clamping hole 32 is formed in the positioning plate 3 in the vertical direction, the clamping hole 32 is located below the inclined plate 31, a lead screw 33 is installed in the positioning plate 3 in the vertical direction, and the lead screw 33 is located inside the clamping hole 32; the positioning plate 3 is provided with a movable block 34, the movable block 34 is in threaded connection with the screw rod 33, and the movable block 34 can slide in the clamping hole 32; the surface of one side of the guide plate 5 opposite to the positioning plate 3 is provided with a sliding groove 52, the sliding groove 52 is positioned between the closing plate 51 and the bottom end of the guide plate 5, the guide plate 5 is fixedly connected with a guide rail 53 along the vertical direction, the guide rail 53 is positioned inside the sliding groove 52, a linkage block 54 is arranged inside the sliding groove 52, the linkage block 54 and the movable block 34 are positioned at the same vertical height, the guide rail 53 vertically penetrates through the linkage block 54 and is in sliding fit with the linkage block 54, and the linkage block 54 can slide inside the sliding groove 52. An object stage 341 is fixedly installed at the bottom of one side of the movable block 34 departing from the linkage block 54, and the object stage 341 is a square platform.

Further, the driving assembly 7 includes a driving roller 71 and a motor 72, a lower surface of the motor 72 abuts against an upper surface of the stage 341, one end of the driving roller 71 penetrates through the movable block 34 and is then fixedly connected to an output shaft of the motor 72, and the other end of the driving roller 71 is rotatably connected to the linkage block 54.

The driving roller 71 enables the movable block 34 and the linkage block 54 to simultaneously move up and down, and before the application starts working, the driving roller 71 and the linkage block 54 can be driven to move by adjusting the position of the movable block 34 on the lead screw 33, the driving roller 71 is adjusted towards the driven roller 6, and an overhead line between the driving roller 71 and the driven roller 6 can be clamped; the driving assembly 7 is a power source for tightening wires, and after the motor 72 is turned on, the driving roller 71 is driven to rotate, and the driven roller 6 is driven to rotate around the axis of the driving roller 71 and the driven roller 6 while the overhead wires between the driving roller 71 and the driven roller 6 are driven to displace.

Referring to fig. 2 and 5, the adjusting assembly 4 is installed on the upper surface of the bearing plate 1, the adjusting assembly 4 includes a transmission bevel gear 41, a drive bevel gear 42, a hand wheel 43 and a square block 44, the center of the transmission bevel gear 41 is inserted into the bottom of the screw 33 and is fixedly connected with the screw 33, the drive bevel gear 42 is located on one side of the positioning plate 3 away from the guide plate 5, the drive bevel gear 42 is engaged with the transmission bevel gear 41, the square block 44 is located on one side of the drive bevel gear 42 away from the screw 33 and is fixedly connected with the upper surface of the bearing plate 1, one end of the hand wheel 43 is provided with a circular handle for holding, and the other end of the hand wheel 43 is inserted into the square block 44 and then is fixedly connected with the center of the drive bevel gear 42.

When the lead screw 33 is adjusted by using the mutual meshing mode of the driving bevel gear 42 and the transmission bevel gear 41 and the hand wheel 43, a user only needs to rotate the hand wheel 43, so that the user can adjust the height of the driving roller 71 conveniently.

Referring to fig. 2, one end fixed mounting that locating plate 3 was kept away from to loading board 1 upper surface has two fixed plates 8, and two fixed plates 8 are just to setting up, and the top of fixed plate 8 is rotated and is connected with tightening roller 9, and tightening roller 9 is parallel with driven roller 6. During the overhead line displacement, can drive the interior space of tightening roller 9 at fixed plate 8's lateral wall internal rotation, conveying overhead line entering this application work cover 21.

Referring to fig. 6, the driving roller 71 and the driven roller 6 are provided with the anti-slip pads 10, the anti-slip pads 10 may be made of anti-slip materials such as rubber, and the surface of the anti-slip pads 10 may be provided with protrusions to increase the friction between the anti-slip pads 10.

The implementation principle of the overhead line stringing and tensioning device in the embodiment of the application is as follows: before the wire is tightened, a user takes down the top of the working cover 21, penetrates the overhead wire from one side close to the tightening roller 9 through the working cover 21 to enter the inside of the working cover 21, then penetrates the overhead wire from the lower part of the tightening roller 9, then screws out the bolt 511 at the top of the closing plate 51, turns the top plate of the closing plate 51 upwards, lifts one end, abutted against the driven roller 6 and the closing plate 51, puts the overhead wire below the driven roller 6, re-abuts against the driven roller 6 and the closing plate 51, screws up the bolt 511, then rotates the hand wheel 43, transmits the overhead wire through the driving bevel gear 42 and the driven bevel gear, adjusts the vertical height of the movable block 34 to adjust the height of the driving roller 71, clamps the overhead wire, penetrates the overhead wire from one side close to the driving roller 71 of the working cover 21, then opens the motor 72, and finally installs the top of the working cover 21.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an overhead line stringing tensioner which characterized in that: the device comprises a bearing plate (1), a positioning plate (3), a guide plate (5) and a driven roller (6), wherein the bearing plate (1) is horizontally arranged, the positioning plate (3) and the guide plate (5) which are opposite to each other are fixedly connected to the upper surface of the bearing plate (1), and the top of the positioning plate (3) is hinged with an inclined plate (31); the top of the guide plate (5) is provided with a closed plate (51), a hole is formed in the center of one side, facing the positioning plate (3), of the closed plate (51), the closed plate (51) is divided into an upper sub plate (511) and a lower sub plate (512) by taking the axis of the hole as a boundary, the upper sub plate (511) is hinged to the lower sub plate (512), the hinged part of the upper sub plate (511) and the lower sub plate (512) is located on one side, facing away from the positioning plate (3), of the guide plate (5), the top of the upper sub plate (511) is provided with a bolt (5111), and the bolt (5111) penetrates through the upper sub plate (511) and then is in threaded connection with the lower sub plate (512); one end of the driven roller (6) shaft is abutted against the closing plate (51) in the shaft hole, the other end of the driven roller (6) shaft is fixedly connected with the inclined plate (31), and the driven roller (6) rotates around the shaft of the driven roller.

2. The overhead wire stringing and tightening device according to claim 1, wherein: the positioning plate (3) is provided with a clamping hole (32) along the vertical direction, a lead screw (33) is installed on the positioning plate (3) in the vertical direction, and the lead screw (33) is located inside the clamping hole (32); a movable block (34) is arranged in the clamping hole (32) in a sliding manner along the vertical direction, and the movable block (34) is connected to the screw rod (33) in a threaded manner; a sliding groove (52) is formed in the surface of one side, opposite to the positioning plate (3), of the guide plate (5), a guide rail (53) is fixedly connected to the guide plate (5) in the vertical direction, the guide rail (53) is located inside the sliding groove (52), a linkage block (54) is arranged inside the sliding groove (52), the linkage block (54) and the movable block (34) are located at the same vertical height, and the guide rail (53) vertically penetrates through the linkage block (54) and is in sliding fit with the linkage block (54); the positioning plate (3) is fixedly connected with a driving assembly (7), the driving assembly (7) comprises a driving roller (71), and two ends of the driving roller (71) are rotatably connected with the movable block (34) and the linkage block (54).

3. The overhead wire stringing and tightening device according to claim 2, wherein: the movable block (34) deviates from one side bottom fixed mounting of linkage block (54) and has objective table (341), initiative subassembly (7) still include motor (72), objective table (341) upper surface and motor (72) fixed connection, the output shaft and the drive roll (71) fixed connection of motor (72).

4. The overhead wire stringing and tightening device according to claim 2, wherein: the bottom of the screw rod (33) is provided with an adjusting component (4), the adjusting component (4) comprises a transmission bevel gear (41), a drive bevel gear (42), a hand wheel (43) and a square block (44), the transmission bevel gear (41) penetrates through the bottom of the screw rod (33) and is fixedly connected with the screw rod (33), and the drive bevel gear (42) is meshed with the transmission bevel gear (41); the upper surface of the bearing plate (1) is fixedly connected with a square block (44), the square block (44) is located on one side, deviating from the screw rod (33), of the driving bevel gear (42), and one end of the hand wheel (43) penetrates through the square block (44) and then is fixedly connected with the center of the driving bevel gear (42).

5. The overhead wire stringing and tightening device according to claim 3, wherein: the surfaces of the driving roller (71) and the driven roller (6) are coated with anti-slip pads (10).

6. The overhead wire stringing and tightening device according to claim 1, wherein: fixed surface installs two fixed plates (8) on loading board (1), and two fixed plates (8) set up relatively, and fixed plate (8) are located the one end of keeping away from locating plate (3), the top of fixed plate (8) is rotated and is connected with tightening roller (9), and tightens up roller (9) and is parallel with driven voller (6).

7. The overhead wire stringing and tightening device according to claim 2, wherein: wheel (22) are installed to loading board (1) bottom, and wheel (22) are provided with piece (221) of stopping.

8. The overhead wire stringing and tightening device according to claim 2, wherein: a working cover (21) is installed at the top of the bearing plate (1).