CN218728252U

CN218728252U - Pre-twisted hardware fitting for aerial optical cable

Info

Publication number: CN218728252U
Application number: CN202222983305.1U
Authority: CN
Inventors: 赵颂颂; 常向东; 宁鹏; 董志星; 郑忠献; 邵桂贤
Original assignee: Shandong Luneng Guangda Electric Power Equipment Co ltd
Current assignee: Shandong Luneng Guangda Electric Power Equipment Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-24
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses an overhead optical cable is with preformed helical gold utensil relates to optical cable and erects technical field, including the backup pad, the equal sliding connection in both sides of backup pad has the supporting shoe, and the bottom of two supporting shoes is all fixed and is equipped with the connecting rod, and the fixed hanger plate that is equipped with in middle part of backup pad bottom, the bottom of hanger plate and the bottom of two connecting rods are all fixed and are equipped with the connecting plate, and the bottom of three connecting plate is all fixed and is equipped with spacing frame, is equipped with adjusting part between two supporting shoes, the beneficial effects of the utility model are that: through rotating a plurality of screw rod in proper order, a plurality of screw rod removes along the horizontal direction at the pivoted in-process, and then makes a plurality of pressure disk all carry on spacingly to the optical cable, and rethread a plurality of bumper shock absorber shrink resets and promotes a plurality of slider and slide, and the equal butt of a plurality of buckle is on the surface of optical cable simultaneously to improved the buffering effect of this preformed armor clamp to the optical cable grip, prevented this preformed armor clamp from receiving weather effect and losing the grip, finally damage the cable.

Description

Pre-twisted hardware fitting for aerial optical cable

Technical Field

The utility model relates to a preformed armor clamp, in particular to preformed armor clamp for overhead optical cable belongs to optical cable and erects technical field.

Background

In the area of the power grid, the pre-twisted hardware is applied to the aerial optical cable from the ice disaster in the south of 2008. From a large amount of overhead optical cable operation data, the pre-twisted hardware has the performance superior to that of the traditional hardware, such as dispersed concentrated stress, tool-free installation, long service life, low hardware loss and the like. Although the production cost of the pre-twisted hardware fitting is slightly higher than that of the traditional electric power fitting, the operation cost of the line can be greatly reduced by using the pre-twisted hardware fitting for a long time.

The ADSS optical cable hardware string and the connection structure thereof for the high-voltage overhead transmission line disclosed by the application number of CN201520609042.5 are increasingly mature technologies, the insulator is not additionally arranged in the hardware string, so that alternating charges induced on the surface of the ADSS optical cable can continuously flow into the ground at any time, the problem that the optical cable is burnt due to the fact that accumulated alternating charges are broken down is avoided, the operation safety of the optical cable is improved, and the operation cost of the optical cable is saved at the same time, the ADSS optical cable splicing hardware for rapid first-aid repair disclosed by the application number of CN 202206121063.4 solves the technical defects that construction is difficult during first-aid repair, and the like, but the two disclosed technologies have the following defects in the using process:

the setting of the hank silk strain insulator gold utensil in above-mentioned two kinds of open structures remains taut form throughout, and when the optical cable surface was iced, the cable easily takes place can drive the hank silk strain insulator gold utensil in advance and take place acutely to rock when great rocking, and then leads to gold utensil life to reduce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overhead optical cable is with preformed helical gold utensil to the cable that proposes in solving above-mentioned background art rocks and easily drives preformed helical silk strain insulator gold utensil and takes place the problem of acutely rocking.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an overhead optical cable is with preformed helical gold utensil, includes the backup pad, the equal sliding connection in both sides of backup pad has the supporting shoe, two the bottom of supporting shoe is all fixed and is equipped with the connecting rod, the fixed hanger plate that is equipped with in middle part of backup pad bottom, the bottom of hanger plate and the bottom of two connecting rods are all fixed and are equipped with the connecting plate, and are three the bottom of connecting plate is all fixed and is equipped with spacing frame, two be equipped with adjusting part between the supporting shoe, it is three the inside of spacing frame all is equipped with spacing subassembly.

Preferably, the adjusting part includes spout, two regulating plates, two-way lead screw, screw-nut and driving motor, the inner wall at backup pad top middle part is seted up to the spout, spout and two supporting shoe sliding connection, two the regulating plate is fixed the both sides that set up on the backup pad top respectively, two rotate through the bearing between the regulating plate and be connected with two-way lead screw, two screw-nut is fixed the inner wall that sets up at two supporting shoes respectively, two screw-nut all with two-way lead screw threaded connection, one of them one side of regulating plate is fixed and is equipped with driving motor, driving motor's transmission shaft and the one end fixed connection of two-way lead screw.

Preferably, it is three spacing subassembly all includes two limiting plates, two through-holes, four screw rods, four pressure disks, four control chambers and two guide rails, a plurality of the limiting plate is fixed respectively and is set up in the inside both sides of three spacing frame, a plurality of the through-hole has all been seted up at the middle part of limiting plate, a plurality of the equal threaded connection in both sides of through-hole inner wall has a screw rod, a plurality of the one end of screw rod is all fixed and is equipped with pressure disk, a plurality of the inner wall at the middle part of a plurality of limiting plate both sides is seted up respectively in the control chamber, a plurality of the guide rail is fixed the inner wall that sets up at the positive middle part of three spacing frame and the inner wall at back middle part respectively.

Preferably, a plurality of the equal sliding connection of inner wall of guide rail has the slider, a plurality of one side of slider is all fixed and is equipped with the buckle, a plurality of the opposite side of slider is all fixed and is equipped with the bumper shock absorber, a plurality of the one end of bumper shock absorber respectively with one side fixed connection of a plurality of guide rail inner wall.

Preferably, a plurality of pressure disk and a plurality of buckle are made for elastic rubber material.

Preferably, a return spring is fixedly arranged between every two adjacent connecting plates.

Preferably, the fixed surface of hanger plate is equipped with flush mounting plate of switch, flush mounting plate of switch's surface is equipped with the driving motor switch, driving motor passes through driving motor switch and power electric connection.

Compared with the prior art, the utility model provides a pair of pre-twisted fitting for aerial optical cable has following beneficial effect:

1. the driving motor is started to drive the bidirectional screw rod to rotate, the bidirectional screw rod rotates to enable the two supporting blocks to respectively slide on two sides of the inner wall of the sliding groove, the two supporting blocks slide to enable the two limiting frames to move relatively, and then the holding position can be adjusted according to the length of the optical cable, so that the holding force of the pre-twisted fitting is more stable, and the condition that the pre-twisted wire is broken due to external force can be reduced;

2. through rotating a plurality of screw rod in proper order, a plurality of screw rod removes along the horizontal direction at the pivoted in-process, and then make a plurality of pressure disk all carry on spacingly to the cable, rethread a plurality of bumper shock absorber shrink resets and promotes a plurality of slider and slide, the equal butt of a plurality of buckle is on the surface of cable simultaneously, thereby improved the buffering effect of this preformed armor fitting to the cable grip, can reduce the range of rocking of cable simultaneously, prevent this preformed armor fitting from receiving weather effect and losing the grip, finally make the cable impaired.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic view of the cross-section of the limiting frame according to the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a support plate; 2. a support block; 3. a connecting rod; 4. a hanger plate; 5. a connecting plate; 6. a limiting frame; 7. an adjustment assembly; 8. a limiting component; 9. a return spring; 10. a switch panel; 71. a chute; 72. an adjusting plate; 73. a bidirectional screw rod; 74. a feed screw nut; 75. a drive motor; 81. a limiting plate; 82. a through hole; 83. a screw; 84. a platen; 85. a control chamber; 86. a guide rail; 861. a slider; 862. buckling; 863. a shock absorber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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 1:

referring to fig. 1-4, the utility model provides a pre-twisted fitting for overhead optical cable, which comprises a support plate 1, wherein two sides of the support plate 1 are both slidably connected with support blocks 2, the bottom ends of the two support blocks 2 are both fixedly provided with connecting rods 3, the middle part of the bottom end of the support plate 1 is fixedly provided with a hanging plate 4, the bottom ends of the hanging plate 4 and the bottom ends of the two connecting rods 3 are both fixedly provided with connecting plates 5, the bottom ends of the three connecting plates 5 are both fixedly provided with limit frames 6, an adjusting assembly 7 is arranged between the two support blocks 2, and the inside of each of the three limit frames 6 is provided with a limit assembly 8;

referring to fig. 1-4, the pretwisted armor clamp for overhead optical cables further comprises an adjusting assembly 7, wherein the adjusting assembly 7 comprises a chute 71, two adjusting plates 72, a bidirectional screw rod 73, screw rod nuts 74 and a driving motor 75, the chute 71 is arranged on the inner wall of the middle of the top end of a supporting plate 1, the chute 71 is slidably connected with two supporting blocks 2, the two adjusting plates 72 are respectively and fixedly arranged on two sides of the top end of the supporting plate 1, the bidirectional screw rod 73 is rotatably connected between the two adjusting plates 72 through a bearing, the two screw rod nuts 74 are respectively and fixedly arranged on the inner walls of the two supporting blocks 2, the two screw rod nuts 74 are both in threaded connection with the bidirectional screw rod 73, the driving motor 75 is fixedly arranged on one side of one adjusting plate 72, and a transmission shaft of the driving motor 75 is fixedly connected with one end of the bidirectional screw rod 73;

a switch panel 10 is fixedly arranged on the surface of the hanging plate 4, a driving motor switch is arranged on the surface of the switch panel 10, and the driving motor 75 is electrically connected with a power supply through the driving motor switch;

specifically, as shown in fig. 1, 2 and 4, a driving motor switch on the surface of the switch panel 10 is turned on, the driving motor 75 is started to drive the bidirectional screw rod 73 to rotate, the bidirectional screw rod 73 rotates to enable the two supporting blocks 2 to respectively slide on two sides of the inner wall of the sliding groove 71, the two supporting blocks 2 slide to enable the two limiting frames 6 to move relatively, and then the holding position can be adjusted according to the length of the optical cable, so that the holding power of the pre-twisted hardware fitting is more stable.

Example 2:

the three limiting assemblies 8 respectively comprise two limiting plates 81, two through holes 82, four screw rods 83, four pressure plates 84, four control cavities 85 and two guide rails 86, the limiting plates 81 are respectively and fixedly arranged on two sides inside the three limiting frames 6, the through holes 82 are respectively formed in the middle parts of the limiting plates 81, the screw rods 83 are respectively in threaded connection with two sides of the inner walls of the through holes 82, the pressure plates 84 are respectively and fixedly arranged at one ends of the screw rods 83, the control cavities 85 are respectively arranged on the inner walls of the middle parts of two sides of the limiting plates 81, and the guide rails 86 are respectively and fixedly arranged on the inner walls of the middle parts of the front sides and the inner walls of the middle parts of the back sides of the three limiting frames 6;

the inner walls of the guide rails 86 are all connected with sliding blocks 861 in a sliding mode, one sides of the sliding blocks 861 are all fixedly provided with buckles 862, the other sides of the sliding blocks 861 are all fixedly provided with shock absorbers 863, and one ends of the shock absorbers 863 are respectively and fixedly connected with one sides of the inner walls of the guide rails 86;

the pressure plates 84 and the buckles 862 are made of elastic rubber;

a return spring 9 is fixedly arranged between every two adjacent connecting plates 5;

specifically, as shown in fig. 1, fig. 2 and fig. 3, at first alternate the optical cable in the inside of a plurality of through-hole 82 in proper order, then rotate a plurality of screw rod 83 in proper order, a plurality of screw rod 83 removes along the horizontal direction at the pivoted in-process, and then make a plurality of pressure disk 84 all carry on spacingly to the optical cable, rethread a plurality of bumper shock absorber 863 shrink resets and promotes a plurality of slider 861 and slide, the equal butt of a plurality of buckle 862 is on the surface of optical cable simultaneously, thereby the buffering effect of this preformed armor fitting to the optical cable grip has been improved, prevent this preformed armor fitting from receiving weather influence and losing the grip, finally damage the cable.

The working principle is as follows: when specifically using, the utility model relates to an overhead optical cable is with preformed helical gold utensil, at first open the driving motor switch on flush mounting plate 10 surface, driving motor 75 starts to drive two-way lead screw 73 and rotates, two-way lead screw 73 rotates and makes two supporting shoe 2 slide in the both sides of spout 71 inner wall respectively, two supporting shoe 2 slide make two spacing frame 6 relative movement, and then can adjust the department of holding according to the length of optical cable, so that the grip of this preformed helical gold utensil is more stable, alternate the inside at a plurality of through-hole 82 with the optical cable in proper order immediately, then rotate a plurality of screw rod 83 in proper order, a plurality of screw rod 83 removes along the horizontal direction at the pivoted in-process, and then make a plurality of pressure disk 84 all carry on spacingly to the optical cable, rethread a plurality of bumper shock absorber 863 shrink resets and promotes a plurality of slider 861 and slides, the equal butt of a plurality of buckle 862 is on the surface of optical cable simultaneously, thereby the buffering effect of this preformed helical gold utensil to the optical cable grip has been improved, prevent that this preformed helical gold utensil from receiving weather influence and losing the grip, final damage cable.

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 an overhead optical cable is with preformed helical gold utensil, includes backup pad (1), its characterized in that, the equal sliding connection in both sides of backup pad (1) has supporting shoe (2), two the bottom of supporting shoe (2) is all fixed and is equipped with connecting rod (3), the fixed hanger plate (4) that is equipped with in middle part of backup pad (1) bottom, the bottom of hanger plate (4) and the bottom of two connecting rods (3) are all fixed and are equipped with connecting plate (5), and are three the bottom of connecting plate (5) is all fixed and is equipped with spacing frame (6), two be equipped with adjusting part (7), three between supporting shoe (2) the inside of spacing frame (6) all is equipped with spacing subassembly (8).

2. The pre-twisted fitting for an aerial optical cable according to claim 1, wherein: the adjusting assembly (7) comprises a sliding groove (71), two adjusting plates (72), a two-way screw rod (73), screw rod nuts (74) and a driving motor (75), the sliding groove (71) is formed in the inner wall of the middle of the top end of the supporting plate (1), the sliding groove (71) is connected with the two supporting blocks (2) in a sliding mode, the two adjusting plates (72) are fixedly arranged on two sides of the top end of the supporting plate (1) respectively, the two adjusting plates (72) are connected with the two-way screw rod (73) in a rotating mode through bearings, the two screw rod nuts (74) are fixedly arranged on the inner walls of the two supporting blocks (2) respectively, the two screw rod nuts (74) are connected with the two-way screw rod (73) in a threaded mode, one side of each adjusting plate (72) is fixedly provided with the driving motor (75), and a transmission shaft of the driving motor (75) is fixedly connected with one end of the two-way screw rod (73).

3. The pre-twisted fitting for an aerial optical cable according to claim 1, wherein: it is three spacing subassembly (8) all include two limiting plates (81), two through-holes (82), four screw rods (83), four pressure disks (84), four control chambers (85) and two guide rails (86), a plurality of limiting plate (81) is fixed respectively and is set up in the inside both sides of three spacing frame (6), a plurality of through-hole (82), a plurality of have all been seted up at the middle part of limiting plate (81) the equal threaded connection in both sides of through-hole (82) inner wall has screw rod (83), a plurality of the one end of screw rod (83) is all fixed pressure disk (84), a plurality of set up the inner wall at the middle part of a plurality of limiting plate (81) both sides, a plurality of respectively control chamber (85) inner wall at the positive middle part of three spacing frame (6) and the inner wall at the back middle part are fixed respectively to guide rail (86).

4. The pre-twisted fitting for an aerial optical cable according to claim 3, wherein: the inner wall of a plurality of guide rail (86) is connected with a sliding block (861) in a sliding mode, a plurality of a buckle (862) is fixedly arranged on one side of the sliding block (861), a plurality of a shock absorber (863) is fixedly arranged on the other side of the sliding block (861), and one end of the shock absorber (863) is fixedly connected with one side of the inner wall of the guide rail (86) respectively.

5. The pre-twisted fitting for an aerial optical cable according to claim 4, wherein: the pressing plates (84) and the buckles (862) are made of elastic rubber materials.

6. The pre-twisted fitting for an aerial optical cable according to claim 1, wherein: and a return spring (9) is fixedly arranged between every two adjacent connecting plates (5).

7. The pre-twisted fitting for the aerial optical cable according to claim 2, wherein: the fixed surface of hanger plate (4) is equipped with flush mounting plate of switch (10), the surface of flush mounting plate of switch (10) is equipped with the driving motor switch, driving motor (75) are through driving motor switch and power electric connection.