CN212784697U

CN212784697U - Single-circuit cable down-leading rod assembly structure

Info

Publication number: CN212784697U
Application number: CN202021263743.5U
Authority: CN
Inventors: 权军战; 曹文龙
Original assignee: Shaanxi Chunqiu Construction Engineering Group Co ltd
Current assignee: Shaanxi Chunqiu Construction Engineering Group Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-23
Anticipated expiration: 2030-06-30

Abstract

The application discloses pole equipment structure under single time cable lead relates to cable erection's field, aim at solving the problem that cable winding causes the incident, it includes the stand, go up the cross arm, lower cross arm, the cable protection pipe, it has last wire lead corresponding to each cable junction between cross arm and the lower cross arm to go up, be connected with down the wire lead on the lower cross arm, the wire lead extends to the cable protection pipe down, and extend to the stand lower extreme along the cable protection pipe, be equipped with synthetic zinc oxide arrester on the lower cross arm, be connected with arrester on the synthetic zinc oxide arrester and go up lead wire and ground connection downlead, the length of going up the wire lead wire is greater than the distance between cross arm and the lower cross arm, it is equipped with the lead wire strut that goes up each and go up the wire lead wire separately on the stand between cross arm and the lower cross arm to go up. This application has and struts the cable, prevents to take place winding effect.

Description

Single-circuit cable down-leading rod assembly structure

Technical Field

The application relates to the field of cable installation, in particular to a single-circuit cable down-leading rod assembly structure.

Background

At present, the lightning arrester connecting wire on the traditional cable down-leading rod is directly and fixedly connected with the cable, so that the cable or the lightning rod lead wire is prevented from being damaged easily due to the fact that the cable or the lightning rod lead wire is connected between two fixed sections too tightly, and a certain broken wire connecting length is reserved for later-period maintenance.

For example, utility model publication No. CN210724159U just discloses a pole assembled structure is drawn down to single round cable, including the electric wire post, there is circuit breaker on the post on the electric wire post upper portion through the mounting screw, electric wire post upper portion both sides still all are fixed with arrester support, two through the fix with screw synthetic zinc oxide arrester, all are still installed to the impartial distance of arrester support upper end synthetic zinc oxide arrester all is connected with the arrester and goes up the lead wire. During installation, the lightning arrester support and the pole-mounted circuit breaker are respectively fixed on a wire pole by screws, then six synthetic zinc oxide lightning arresters are sequentially fixed on the corresponding lightning arrester support through the screws, and then wiring ports of the six synthetic zinc oxide lightning arresters are connected with corresponding ports of the pole-mounted circuit breaker through the lightning arrester upper lead.

In view of the above-mentioned related art, the utility model has considered that the following drawbacks exist: the same cable is loose between two adjacent fixed positions, and is easy to approach and wind under the condition of strong wind, and particularly, the cable is easy to discharge after approaching under the condition that the cable is a high-voltage cable, so that safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that cable winding causes the incident, this application provides a pole assembly structure is drawn down to single cable.

The application provides a pole equipment structure is drawn down to single cable that returns adopts following technical scheme:

a single-circuit cable down-lead rod assembly structure comprises an upright post, an upper cross arm arranged at the upper end of the upright post, a lower cross arm arranged below the upper cross arm, and a cable protection tube arranged below the lower cross arm, wherein the upper cross arm is parallel to the lower cross arm, cables are connected to the upper cross arm at intervals, an upper lead wire is connected between the upper cross arm and the lower cross arm corresponding to each cable, a lower lead wire connected with the upper lead wire is connected to the lower cross arm, the lower lead wire extends to the cable protection tube and extends to the lower end of the upright post along the cable protection tube, a synthetic zinc oxide arrester is arranged on the lower cross arm, an upper lead wire and a grounding down-lead wire are connected to the synthetic zinc oxide arrester, one end of the upper lead wire of the arrester, far away from the synthetic zinc oxide arrester, is connected to the upper lead wire, one end of the grounding down-lead wire, far away from the synthetic zinc oxide arrester, is grounded downwards along the upright post, the length of the upper lead wire is greater than the distance between the upper cross arm and the lower cross arm, and a lead wire support frame for separating the upper lead wires is arranged on the upright post between the upper cross arm and the lower cross arm.

Through adopting above-mentioned technical scheme, go up wire lead and lower wire lead segmentation and lead the subaerial pole setting lower extreme with the electric current that is on the cable, realize going up the pole and reaching the switch-on under the pole, synthetic zinc oxide arrester, the lightning-arrest processing to the cable is realized to lead wire and ground connection downlead on the arrester, the safety of circuit has been guaranteed, make lead wire strut on the cable with each go up the wire lead part, make the wire lead under the longer condition of reserve length, each goes up still can keep safe distance between the wire lead, can not intertwine each other and take place damage and incident.

Preferably, the lead supporting frame comprises a sleeve ring connected to the upright post and a stay wire rod arranged outside the sleeve ring, and a wire clamp is arranged at one end, far away from the sleeve ring, of the stay wire rod.

Through adopting above-mentioned technical scheme, the lantern ring is fixed in the fixed position in the pole setting, and the fastener steps up each and goes up the wire lead to prop open in the direction of keeping away from each other through the vaulting pole, thereby prevent that it from taking place the intertwine.

Preferably, the stay wire rod comprises a first stay rod and a second stay rod which are mutually sleeved, and a locking mechanism is arranged between the first stay rod and the second stay rod.

Through adopting above-mentioned technical scheme, the setting up of first vaulting pole and second vaulting pole makes the length of vaulting pole adjustable to the last wire lead wire of adaptation different length, locking mechanism makes the vaulting pole can fix on different length, and the adaptability of vaulting pole is stronger.

Preferably, the first stay bar is inserted into the second stay bar, the locking mechanism comprises a plurality of abutting holes formed in the first stay bar, locking holes formed in the wall of the second stay bar and locking screws connected into the locking holes, and the locking screws penetrate through the locking holes and abut against the abutting holes.

Through adopting above-mentioned technical scheme, when the length of adjustment vaulting pole, at first loosen locking screw, then remove first vaulting pole along the second vaulting pole, make loose nevertheless can not take place the intertwine between each last wire lead wire until the length of vaulting pole, near this length, will support the hole and remove the just right position in locking hole, screw up locking screw, realize the location to vaulting pole length, simple structure, convenient to use.

Preferably, one end of the second support rod, which is far away from the first support rod, is fixedly connected to the lantern ring, and the wire clamp is connected to one end of the first support rod, which is far away from the second support rod.

Through adopting above-mentioned technical scheme, the sectional area of second vaulting pole is great, and is comparatively firm with being connected between the lantern ring, has reduced the possibility of vaulting pole rupture when scraping strong wind.

Preferably, the lantern ring includes outer loop and inner ring, the inner ring outside is equipped with the round spout, the spout is close to inner ring lateral wall one side opening setting and opening width and is less than the width that the spout is close to the inside wall, the outer loop rotate connect in on the inner ring, and the card is located in the spout, the second vaulting pole connect in on the outer loop, be equipped with the restriction in the spout the stop gear of outer loop turned angle, it is fixed to be equipped with in the pole setting the fixed subassembly of outer loop position.

Through adopting above-mentioned technical scheme, when blowing, the outer loop drives the vaulting pole and can be at the certain angle of spout internal rotation to buffering wind-force is to tearing of last wire lead wire, and the wire lead wire is gone up in the protection, after the outer loop rotated certain angle, stall under stop gear's effect, prevents that rotation angle is too big and lead wire to leading wire to cause to pull, and fixed subassembly is used for spacing to the outer loop, carries on spacingly to the position of the whole lantern ring promptly.

Preferably, the limiting mechanism comprises a first limiting block arranged in the sliding groove, a second limiting block fixed on the outer ring and an elastic part abutted between the first limiting block and the second limiting block, and the two sides of each second limiting block are connected with the elastic part.

Through adopting above-mentioned technical scheme, when the second stopper was at the spout internal rotation, the elastic component of its one side was in the extrusion state, and the elastic component of opposite side is in tensile state, and after the outer loop rotated to certain degree, just can rotate slowly, and after wind-force diminishes, the outer loop returned the normal position under the effect of elastic component. By providing the elastic member, the protection of the upper lead wire is better.

Preferably, the fixing component comprises an upper hoop and a lower hoop which are connected to the upright rod, and the outer ring is clamped between the upper hoop and the lower hoop.

Through adopting above-mentioned technical scheme, go up staple bolt and lower staple bolt and follow the top of outer loop and below clamping outer loop respectively, realize spacing to the outer loop.

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

1. the bracket separates the upper lead wires, so that the safety distance between the upper lead wires can be kept under the condition that the reserved length of the upper lead wires is longer, and the upper lead wires are not intertwined to cause damage and safety accidents;

2. the length of the stay wire rod can be adjusted, so that the stay wire rod is suitable for upper lead wires with different lengths, and the adaptability of the stay wire frame is improved;

3. through setting up relative pivoted inner ring and outer loop for the vaulting pole can rotate certain angle along with the wind, plays the cushioning effect, prevents to drag the wire lead wire.

Drawings

Fig. 1 is a schematic view of an assembly structure of a single-circuit cable down-lead rod according to the present application.

Fig. 2 is a cross-sectional structural view of fig. 1 taken along a cross-section of the middle portion of the collar perpendicular to its axis.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2.

Description of reference numerals: 1. a column; 2. an upper cross arm; 3. a lower cross arm; 4. a suspended porcelain bottle; 5. a cable protection tube; 6. an upper wire lead; 7. a lead wire support frame; 71. a collar; 711. an inner ring; 712. an outer ring; 713. a chute; 714. a limiting mechanism; 7141. a first stopper; 7142. a second limiting block; 7143. an elastic member; 72. a wire supporting rod; 721. a first stay bar; 722. a second stay bar; 723. abutting the hole; 724. a locking hole; 725. locking the screw; 73. wire clamps; 8. a fixing assembly; 81. an anchor ear is arranged; 82. a lower hoop; 9. a lower wire lead; 10. synthesizing a zinc oxide arrester; 11. a lightning arrester upper lead; 12. and a down conductor connected to ground.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a single-circuit cable down-lead pole assembling structure, referring to fig. 1, comprising a vertical column 1, an upper cross arm 2 connected to the upper end of the vertical column 1, a lower cross arm 3 connected to the lower side of the upper cross arm 2, and a cable protection tube 5 arranged below the lower cross arm 3, wherein the cable protection tube 5 is fixed on the vertical column 1 along the length direction of the vertical column 1, the upper cross arm 2 is parallel to the lower cross arm 3, the cables are connected to the upper cross arm 2 at intervals, a suspension type porcelain bottle 4 is connected to the cables, an upper lead wire 6 is connected between the upper cross arm 2 and the lower cross arm 3 corresponding to each cable, a lower lead wire 9 connected with the upper lead wire 6 is connected to the lower cross arm 3, the lower lead wire 9 extends to the cable protection tube 5 and extends to the lower end of the vertical column 1 along the cable protection tube 5, a synthetic zinc oxide arrester 10 is arranged on the lower cross arm 3, an upper lead wire 11 and a grounding down-lead, one end of an upper lead 11 of the arrester, which is far away from the synthetic zinc oxide arrester 10, is connected to the upper lead, one end of a lower ground lead 12, which is far away from the synthetic zinc oxide arrester 10, is grounded downwards along the upright post 1, the length of the upper lead 6 is greater than the distance between the upper cross arm 2 and the lower cross arm 3, and a lead support frame 7 for separating each upper lead 6 is arranged on the upright post 1 between the upper cross arm 2 and the lower cross arm 3.

Referring to fig. 1 and 2, the lead support frame 7 comprises a collar 71 connected to the upright post 1, and a stay wire rod 72 arranged outside the collar 71, wherein one end of the stay wire rod 72 far away from the collar 71 is provided with a wire clip 73. The wire supporting rod 72 includes a first supporting rod 721 and a second supporting rod 722 sleeved with each other, the first supporting rod 721 is inserted into the second supporting rod 722, one end of the second supporting rod 722 far from the first supporting rod 721 is fixedly connected to the sleeve ring 71, the wire clamp 73 is connected to one end of the first supporting rod 721 far from the second supporting rod 722, and a locking mechanism is disposed between the first supporting rod 721 and the second supporting rod 722. The locking mechanism includes a plurality of abutting holes 723 provided on the first stay 721, locking holes 724 provided on the wall of the second stay 722, and locking screws 725 connected to the locking holes 724, wherein the locking screws 725 penetrate through the locking holes 724 to abut against the abutting holes 723.

Referring to fig. 2 and 3, the collar 71 includes an outer ring 712 and an inner ring 711, a circle of sliding slot 713 is disposed outside the inner ring 711, the sliding slot 713 is disposed near an opening on one side of an outer side wall of the inner ring 711, and the opening width is smaller than the width of the sliding slot 713 near the inner side wall, the outer ring 712 is rotatably connected to the inner ring 711 and is clamped in the sliding slot 713, the second stay 722 is connected to the outer ring 712, a limiting mechanism 714 for limiting a rotation angle of the outer ring 712 is disposed in the sliding slot 713, and a fixing assembly 8 for fixing a position of the.

Referring to fig. 2, the limiting mechanism 714 includes a first limiting block 7141 integrally disposed in the sliding groove 713, a second limiting block 7142 fixed to the outer ring 712, and an elastic member 7143 abutted between the first limiting block 7141 and the second limiting block 7142, and two sides of each second limiting block 7142 are connected with the elastic member 7143.

Referring to fig. 1, the fixing assembly 8 includes an upper anchor ear 81 and a lower anchor ear 82 connected to the vertical rod, and the outer ring 712 is sandwiched between the upper anchor ear 81 and the lower anchor ear 82. The upper anchor ear 81 and the lower anchor ear 82 clamp the outer ring 712 from the upper side and the lower side of the outer ring 712 respectively, so that the outer ring 712 is limited.

The implementation principle of the single-circuit cable down-leading rod assembly structure provided by the embodiment of the application is as follows: the upper lead wire 6 and the lower lead wire 9 lead the current on the cable to the lower end of the vertical rod on the ground in sections, so that the connection from the upper part of the rod to the lower part of the rod is realized, the lightning protection treatment of the cable is realized by the synthetic zinc oxide lightning arrester 10, the upper lead wire 11 of the lightning arrester and the ground down lead 12, and the safety of the circuit is ensured. Lead wire strut 7 on the cable can be with each lead wire 6 separately on going up for go up lead wire 6 under the longer condition of reserve length, can still keep safe distance between each lead wire 6 on going up, can not twine each other and take place damage and incident.

When the wire supporting frame is installed, the lower hoop 82 is installed on the vertical rod, then the sleeve ring 71 is sleeved on the vertical rod, the lower end of the sleeve ring is supported on the lower hoop 82, and then the upper hoop 81 is fixed above the sleeve ring 71, so that the upper hoop 81 and the lower hoop 82 clamp the sleeve ring 71 together; next, the respective upper lead wires 6 are fixed to the clip 73, the locking screw 725 is loosened, and then the first stay 721 is moved along the second stay 722 until the length of the stay 72 makes the respective upper lead wires 6 loose but no entanglement occurs, and in the vicinity of the length, the abutting hole 723 is moved to a position opposite to the locking hole 724, and the locking screw 725 is tightened to position the length of the stay 72. The arrangement of the first and

second struts

721, 722 allows the length of the strut 72 to be adjusted to accommodate different lengths of the upper wire lead 6, the strut 72 being more adaptable.

When wind blows, the upper lead wire 6 is blown, the upper lead wire 6 drives the outer ring 712, the outer ring 712 drives the second limiting block 7142 to rotate in the sliding groove 713 for a certain angle, so that the tearing of the upper lead wire 6 by wind power is buffered, when the second limiting block 7142 rotates in the sliding groove 713, the elastic part 7143 on one side is in an extrusion state, the elastic part 7143 on the other side is in a stretching state, when the outer ring 712 rotates to a certain degree, the rotation is slow, and when the wind power is reduced, the outer ring 712 returns to the original position under the action of the elastic part 7143, so that the protection of the upper lead wire 6 is realized.

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. A single-circuit cable down-lead rod assembly structure comprises a stand column (1), an upper cross arm (2) arranged at the upper end of the stand column (1), a lower cross arm (3) arranged below the upper cross arm (2), and a cable protection tube (5) arranged below the lower cross arm (3), wherein the upper cross arm (2) is parallel to the lower cross arm (3), cables are connected to the upper cross arm (2) at intervals, an upper lead wire (6) is connected between the upper cross arm (2) and the lower cross arm (3) corresponding to each cable, a lower lead wire (9) connected with the upper lead wire (6) is connected to the lower cross arm (3), the lower lead wire (9) extends to the cable protection tube (5) and extends to the lower end of the stand column (1) along the cable protection tube (5), and a synthetic zinc oxide arrester (10) is arranged on the lower cross arm (3), lead wire (11) and ground connection downlead (12) on being connected with the arrester on synthetic zinc oxide arrester (10), lead wire (11) are kept away from on the arrester synthetic zinc oxide arrester (10) one end is connected on last wire lead (6), the one end that synthetic zinc oxide arrester (10) were kept away from in ground connection downlead (12) is along stand (1) ground connection downwards, its characterized in that: the length of the upper lead wire (6) is greater than the distance between the upper cross arm (2) and the lower cross arm (3), and a lead support frame (7) for separating each upper lead wire (6) is arranged on the upright post (1) between the upper cross arm (2) and the lower cross arm (3).

2. The single-return cable drop-off rod assembly structure of claim 1, wherein: the lead support frame (7) comprises a sleeve ring (71) connected to the upright post (1) and a stay wire rod (72) arranged outside the sleeve ring (71), and a wire clamp (73) is arranged at one end, far away from the sleeve ring (71), of the stay wire rod (72).

3. The single-return cable drop-off rod assembly structure of claim 2, wherein: the stay wire rod (72) comprises a first stay rod (721) and a second stay rod (722) which are sleeved with each other, and a locking mechanism is arranged between the first stay rod (721) and the second stay rod (722).

4. The single-return cable drop-off rod assembly structure of claim 3, wherein: the first supporting rod (721) is inserted into the second supporting rod (722), the locking mechanism comprises a plurality of abutting holes (723) formed in the first supporting rod (721), locking holes (724) formed in the wall of the second supporting rod (722) and locking screws (725) connected into the locking holes (724), and the locking screws (725) penetrate through the locking holes (724) and abut against the abutting holes (723).

5. The single-return cable drop-off rod assembly structure of claim 4, wherein: one end of the second support rod (722) far away from the first support rod (721) is fixedly connected to the sleeve ring (71), and the wire clamp (73) is connected to one end of the first support rod (721) far away from the second support rod (722).

6. The single-return cable drop-off rod assembly structure of claim 2, wherein: the lantern ring (71) comprises an outer ring (712) and an inner ring (711), a circle of sliding groove (713) is arranged outside the inner ring (711), the sliding groove (713) is close to the opening on one side of the outer side wall of the inner ring (711), the opening width of the sliding groove (713) is smaller than the width of the inner side wall of the sliding groove (713), the outer ring (712) is rotatably connected to the inner ring (711) and clamped in the sliding groove (713), the stay wire rod (72) is connected to the outer ring (712), a limiting mechanism (714) for limiting the rotation angle of the outer ring (712) is arranged in the sliding groove (713), and a fixing component (8) for fixing the position of the outer ring (712) is arranged on the upright post (1).

7. The single-return cable drop-off rod assembly structure of claim 6, wherein: the limiting mechanism (714) comprises a first limiting block (7141) arranged in the sliding groove (713), a second limiting block (7142) fixed on the outer ring (712), and an elastic piece (7143) abutted between the first limiting block (7141) and the second limiting block (7142), wherein the two sides of each second limiting block (7142) are connected with the elastic piece (7143).

8. The single-return cable drop-off rod assembly structure of claim 6, wherein: the fixing component (8) comprises an upper hoop (81) and a lower hoop (82) which are connected to the upright post (1), and the outer ring (712) is clamped between the upper hoop (81) and the lower hoop (82).