CN212027365U - High-voltage insulation cross arm of power distribution network - Google Patents
High-voltage insulation cross arm of power distribution network Download PDFInfo
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- CN212027365U CN212027365U CN201922413289.0U CN201922413289U CN212027365U CN 212027365 U CN212027365 U CN 212027365U CN 201922413289 U CN201922413289 U CN 201922413289U CN 212027365 U CN212027365 U CN 212027365U
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- cross arm
- extension rod
- distribution network
- screw
- voltage insulation
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Abstract
The utility model belongs to the technical field of distribution network insulation equipment, especially, be a distribution network high voltage insulation cross arm, including connecting the hinge, the both sides of connecting the hinge are connected with first cross arm and second cross arm respectively, and first cross arm and second cross arm are the rectangle body, and the one end difference fixedly connected with latch segment that first cross arm and second cross arm are relative, and two latch segments all rotate through the round pin axle and are connected with the screw shaft, spiral shell closes in two screw shafts and is connected with lock nut, and one side of screw shaft is equipped with the draw-in groove, and the embedding of screw shaft upset is with it in the corresponding draw-in groove. The utility model discloses a first cross arm of upset and second cross arm make it buckle the high-voltage electric tower pole through connecting the hinge package to with two screw rod axle upset imbeds in the corresponding draw-in groove with it, screw up two lock nut again, just at this moment with first cross arm and second cross arm and first extension rod and second extension rod on the tight knot is fixed in the high-voltage electric tower pole, realize the quick installation of insulating cross arm.
Description
Technical Field
The utility model relates to a distribution network insulation equipment technical field specifically is a distribution network high voltage insulation cross arm.
Background
The cross arm is an angle iron transversely fixed at the top of a telegraph pole, is provided with a porcelain insulator and is used for supporting a part of an overhead wire, is an important component in a pole tower and is used for installing insulators and hardware fittings to support a conducting wire and a lightning conductor and keep a certain safety distance according to regulations, and can be divided into the following parts according to purposes: a straight cross arm, a corner cross arm and a strain cross arm; the material can be divided into: iron cross arms, porcelain cross arms, composite insulating cross arms; straight line cross arm: only considering that under the normal condition of not breaking the wire, bearing the vertical load and the horizontal load of the wire, the tension cross arm: bear the wire vertical and horizontal loading outside, still will bear the pulling force difference of wire, corner cross arm: in addition to bearing the vertical and horizontal load of the wire, the wire drawing device can bear large single-side wire drawing force, according to the stress condition of the cross arm, a single cross arm is adopted for a straight rod or a corner rod below 15 degrees, a corner rod, a tension resisting rod, a terminal rod and a branch rod with the corners above 15 degrees are all double cross arms, the cross arm is generally arranged at a position 300mm away from the top of the rod, the straight cross arm is arranged at the power receiving side, and the cross arms of the corner rod, the terminal rod and the branch rod are arranged at the wire drawing side.
The following problems exist in the current high-voltage insulation cross arm of a power distribution network:
1. when the existing high-voltage insulation cross arm of the power distribution network is installed, a plurality of assemblies need to be assembled on a high-voltage tower pole, so that the installation speed is low and the efficiency is low.
2. The length of the high-voltage insulation cross arm of the existing power distribution network cannot be adjusted, so that the high-voltage insulation cross arm cannot be adapted to high-voltage tower poles with different sizes and voltage grades.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a distribution network high voltage insulation cross arm has solved present distribution network high voltage insulation cross arm installation rate slow, inefficiency to and the problem that high voltage insulation cross arm length is not adjustable.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a distribution network high voltage insulation cross arm, includes the connection hinge, the both sides of connecting the hinge are connected with first cross arm and second cross arm respectively, first cross arm with the second cross arm is the rectangle body, first cross arm with the relative one end of second cross arm is fixedly connected with latch segment respectively, two the latch segment all rotates through the round pin axle and is connected with the screw shaft, two spiral shell closes in the screw shaft and is connected with lock nut, one side of screw shaft is equipped with the draw-in groove, the screw shaft upset embedding is corresponding with it in the draw-in groove, lock nut spiral shell closes the crimping the both sides of draw-in groove, nested connection has first extension bar in the first cross arm, nested connection has the second extension bar in the second cross arm, first extension bar with the both ends of second extension bar all vertical fixation have insulating supporting seat.
As a preferred technical scheme of the utility model, first extension rod with the equal fixedly connected with drive nut of the relative one end of second extension rod, two all spiral shell closes in the drive nut and is connected with drive screw, two one side that drive screw is relative all has driven bevel gear through bearing frame coaxial coupling, and the bearing frame is fixed in first cross arm or the inner wall of second cross arm, first cross arm with one side of second cross arm all is connected with the adjustment disk, two through bearing rotation adjustment disk coaxial coupling has initiative bevel gear, two it corresponds with it to all mesh the connection of initiative bevel gear driven bevel gear.
As a preferred technical scheme of the utility model, first cross arm with the relative one end of second cross arm is the circular arc groove, two the equal laminating in one side that the circular arc groove is relative is connected with the deformation cushion.
As an optimal technical scheme of the utility model, two the equal activity gomphosis of one side of adjusting disk has the locating pin, first cross arm with the second cross arm is close to one side of adjusting disk is equipped with the locating hole, the locating pin embedding the locating hole.
As an optimized technical scheme of the utility model, first extension rod with the second extension rod is for moulding steel pipe or nylon pipe or engineering plastic pipe.
(III) advantageous effects
Compared with the prior art, the utility model provides a distribution network high voltage insulation cross arm possesses following beneficial effect:
1. this distribution network high voltage insulation cross arm through first cross arm of upset and second cross arm, makes it detain high voltage electric tower pole through connecting the hinge package to with two screw shaft upset imbeds in the corresponding draw-in groove with it, screw up two lock nut again, just at this moment with first cross arm and second cross arm and first extension rod and second extension rod on the lock is fixed in high voltage electric tower pole, realize the quick installation of insulating cross arm.
2. According to the high-voltage insulating cross arm for the power distribution network, the two adjusting disks are rotated to drive the driving bevel gear connected with the adjusting disks, the driving bevel gear drives the driven bevel gear meshed with the driving bevel gear and the transmission screw to rotate, and therefore the first extension rod or the second extension rod is driven to move in a telescopic mode, and the length is adjusted.
Drawings
FIG. 1 is a schematic side view of the subjective structure of the present invention;
FIG. 2 is another side view of the subjective structure of the present invention;
fig. 3 is the side-cut structure schematic diagram of the utility model.
In the figure: 1. a connecting hinge; 2. a first cross arm; 3. a second cross arm; 4. a locking block; 5. a screw shaft; 6. locking the nut; 7. a card slot; 8. a first extension pole; 9. a second extension pole; 10. an insulating support seat; 11. a drive nut; 12. a drive screw; 13. a driven bevel gear; 14. an adjusting disk; 15. a driving bevel gear; 16. an arc groove; 17. deforming the rubber pad; 18. positioning pins; 19. and (7) positioning the holes.
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.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a distribution network high voltage insulation cross arm, including connecting hinge 1, the both sides of connecting hinge 1 are connected with first cross arm 2 and second cross arm 3 respectively, first cross arm 2 and second cross arm 3 are the rectangle body, the one end difference fixedly connected with latch segment 4 that first cross arm 2 and second cross arm 3 are relative, two latch segments 4 all are connected with screw shaft 5 through the round pin hub rotation, spiral shell closes in two screw shaft 5 and is connected with lock nut 6, one side of screw shaft 5 is equipped with draw-in groove 7, screw shaft 5 upset embedding is with it in corresponding draw-in groove 7, lock nut 6 spiral shell closes the both sides of crimping draw-in groove 7, nested connection has first extension rod 8 in the first cross arm 2, nested connection has second extension rod 9 in the second cross arm 3, the both ends of first extension rod 8 and second extension rod 9 all vertical fixation have insulating supporting seat 10.
In this embodiment, the staff will the utility model discloses place in high voltage electric tower pole, then first cross arm 2 and second cross arm 3 of upset, make it buckle high voltage electric tower pole through connecting hinge 1 package, then overturn two screw shaft 5, the embedding with it in corresponding draw-in groove 7, reuse tool screws up two lock nut 6, make lock nut 6 spiral shell close the both sides of crimping draw-in groove 7, just at this moment with first cross arm 2 and second cross arm 3 and the gomphosis first extension rod 8 and the second extension rod 9 of being connected with it tightly detain be fixed in high voltage electric tower pole, realize the quick installation of insulating cross arm, then just can support through insulating supporting seat 10 and connect high voltage wire.
Specifically, the opposite ends of the first extension rod 8 and the second extension rod 9 are fixedly connected with transmission nuts 11, the two transmission nuts 11 are screwed with transmission screws 12, one opposite sides of the two transmission screws 12 are coaxially connected with driven bevel gears 13 through bearing seats, the bearing seats are fixed on the inner walls of the first cross arm 2 or the second cross arm 3, one sides of the first cross arm 2 and the second cross arm 3 are rotatably connected with adjusting discs 14 through bearings, the two adjusting discs 14 are coaxially connected with driving bevel gears 15, and the two driving bevel gears 15 are respectively engaged with the driven bevel gears 13 corresponding to the driving bevel gears 15.
In this embodiment, when the length needs to be adjusted, the two adjusting disks 14 are rotated respectively, the two adjusting disks 14 drive the driving bevel gear 15 connected thereto to rotate respectively, the driving bevel gear 15 drives the driven bevel gear 13 and the transmission screw 12 engaged therewith to rotate, and during the rotation process, because the driven bevel gear 13 and the transmission screw 12 are fixed on the inner walls of the first cross arm 2 and the second cross arm 3 through the bearing seat, the driven bevel gear 13 and the transmission screw 12 only rotate and do not move axially, so that the first extension rod 8 or the second extension rod 9 is driven to move telescopically, thereby achieving the adjustment of the length.
Specifically, the opposite ends of the first cross arm 2 and the second cross arm 3 are arc grooves 16, and the opposite sides of the two arc grooves 16 are respectively attached with a deformation rubber mat 17.
In this embodiment, the one end that first cross arm 2 and second cross arm 3 are relative is arc groove 16, two arc grooves 16 are a perfect circle through connecting hinge 1 upset lock joint, thereby carry out the cuff to the top of the high-voltage power tower pole of cylindrical state and connect, because the circular of two arc groove 16 upset lock joints constitution can not match with the top of each high-voltage power tower pole, consequently stack up one deck deformation cushion 17 between the two, the gap between the two is filled to deformation through deformation cushion 17, realize inseparable connection, in addition, deformation cushion 17 still has shock attenuation and insulating function.
Specifically, positioning pins 18 are movably embedded in one sides of the two adjusting disks 14, positioning holes 19 are formed in the sides, close to the adjusting disks 14, of the first cross arm 2 and the second cross arm 3, and the positioning pins 18 are embedded in the positioning holes 19.
In this embodiment, after the two adjusting discs 14 respectively adjust the extension lengths of the first extending rod 8 and the second extending rod 9, the positioning pins 18 are inserted into the corresponding positioning holes 19, at this time, the two adjusting discs 14 cannot rotate, and further, the driven bevel gear 13 and the two transmission screws 12 are locked by the driving bevel gear 15, so as to lock the extension lengths of the first extending rod 8 and the second extending rod 9.
Specifically, the first extension rod 8 and the second extension rod 9 are plastic steel pipes or nylon pipes or engineering plastic pipes.
In this embodiment, the first extension rod 8 and the second extension rod 9 are made of plastic steel pipes, nylon pipes or engineering plastic pipes, and the plastic steel pipes, the nylon pipes and the engineering plastic pipes have high structural strength and good insulation performance, so that the weight of the high-voltage cable can be supported, and the high-voltage cable and the cross arm body are insulated.
The connecting hinge 1, the insulating support 10 and the deformable rubber pad 17 in this embodiment are known technologies that have been disclosed to be widely used in industrial production and daily life.
The utility model discloses a theory of operation and use flow: the staff will the utility model discloses place in high-voltage electric tower pole, then overturn first cross arm 2 and second cross arm 3, make it wrap the high-voltage electric tower pole through connecting hinge 1, then overturn two screw shaft 5, imbed in the corresponding draw-in groove 7 with it, reuse the instrument and screw up two lock nut 6, make lock nut 6 spiral shell close the both sides of crimping draw-in groove 7, just at this moment with first cross arm 2 and second cross arm 3 and with it gomphosis connected first extension rod 8 and second extension rod 9 fastening fix on high-voltage electric tower pole, realize the quick installation of insulating cross arm, then just can support through insulating supporting seat 10 and connect the high-voltage wire; when length adjustment is needed, the two adjusting disks 14 are respectively rotated, the two adjusting disks 14 respectively drive the driving bevel gear 15 connected with the two adjusting disks to rotate, the driving bevel gear 15 drives the driven bevel gear 13 and the transmission screw 12 which are meshed with the driving bevel gear to rotate, and in the rotating process, the driven bevel gear 13 and the transmission screw 12 are fixed on the inner walls of the first cross arm 2 and the second cross arm 3 through the bearing seats, so that the driven bevel gear 13 and the transmission screw 12 only rotate and cannot axially move, and the first extension rod 8 or the second extension rod 9 is driven to telescopically move, so that length adjustment is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a distribution network high voltage insulation cross arm, includes connection hinge (1), its characterized in that: the two sides of the connecting hinge (1) are respectively connected with a first cross arm (2) and a second cross arm (3), the first cross arm (2) and the second cross arm (3) are both rectangular tube bodies, one ends of the first cross arm (2) opposite to the second cross arm (3) are respectively and fixedly connected with locking blocks (4), the two locking blocks (4) are respectively and rotatably connected with a screw shaft (5) through a pin shaft, locking nuts (6) are screwed and connected in the two screw shafts (5), one side of each screw shaft (5) is provided with a clamping groove (7), the screw shafts (5) are overturned and embedded into the clamping grooves (7) corresponding to the screw shafts, the locking nuts (6) are screwed and connected with the two sides of the clamping grooves (7), a first extension rod (8) is connected in the first cross arm (2) in a nested manner, a second extension rod (9) is connected in the second cross arm (3) in a nested manner, and the two ends of the first extension rod (8) and the second extension rod (9) are vertically fixed with insulating support seats (10).
2. The high voltage insulation cross arm for the power distribution network of claim 1, wherein: first extension rod (8) with the equal fixedly connected with drive nut (11) of the relative one end of second extension rod (9), two all thread fit in drive nut (11) and be connected with drive screw (12), two the relative one side of drive screw (12) all is through bearing frame coaxial coupling driven bevel gear (13), and the bearing frame is fixed in first cross arm (2) or the inner wall of second cross arm (3), first cross arm (2) with one side of second cross arm (3) all is connected with adjusting disc (14) through the bearing rotation, two adjusting disc (14) coaxial coupling has initiative bevel gear (15), two the equal meshing connection of initiative bevel gear (15) corresponds with it driven bevel gear (13).
3. The high voltage insulation cross arm for the power distribution network of claim 1, wherein: first cross arm (2) with the relative one end of second cross arm (3) is circular arc groove (16), two the laminating of one side that circular arc groove (16) is relative all is connected with deformation cushion (17).
4. The high voltage insulation cross arm for the power distribution network of claim 2, wherein: positioning pins (18) are movably embedded in one sides of the two adjusting discs (14), positioning holes (19) are formed in one sides, close to the adjusting discs (14), of the first cross arm (2) and the second cross arm (3), and the positioning pins (18) are embedded into the positioning holes (19).
5. The high voltage insulation cross arm for the power distribution network of claim 1, wherein: the first extension rod (8) and the second extension rod (9) are plastic steel pipes or nylon pipes or engineering plastic pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922413289.0U CN212027365U (en) | 2019-12-27 | 2019-12-27 | High-voltage insulation cross arm of power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922413289.0U CN212027365U (en) | 2019-12-27 | 2019-12-27 | High-voltage insulation cross arm of power distribution network |
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| Publication Number | Publication Date |
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| CN212027365U true CN212027365U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922413289.0U Active CN212027365U (en) | 2019-12-27 | 2019-12-27 | High-voltage insulation cross arm of power distribution network |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593755A (en) * | 2020-12-21 | 2021-04-02 | 国网河南省电力公司内乡县供电公司 | Arm exhibition adjustment mechanism and power transmission tower |
| CN112653062A (en) * | 2020-12-23 | 2021-04-13 | 海南电网有限责任公司昌江供电局 | Assembled insulating cross arm subassembly of distribution lines |
| CN114961402A (en) * | 2022-06-30 | 2022-08-30 | 江苏华电铁塔制造有限公司 | Cross arm with adjustable electric power steel pipe tower is used |
| CN115234077A (en) * | 2022-08-13 | 2022-10-25 | 国网江西省电力有限公司建设分公司 | Assembled high-voltage iron tower for power transmission and transformation engineering |
-
2019
- 2019-12-27 CN CN201922413289.0U patent/CN212027365U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593755A (en) * | 2020-12-21 | 2021-04-02 | 国网河南省电力公司内乡县供电公司 | Arm exhibition adjustment mechanism and power transmission tower |
| CN112653062A (en) * | 2020-12-23 | 2021-04-13 | 海南电网有限责任公司昌江供电局 | Assembled insulating cross arm subassembly of distribution lines |
| CN114961402A (en) * | 2022-06-30 | 2022-08-30 | 江苏华电铁塔制造有限公司 | Cross arm with adjustable electric power steel pipe tower is used |
| CN114961402B (en) * | 2022-06-30 | 2024-03-08 | 江苏华电铁塔制造有限公司 | Cross arm with adjustable electric power steel pipe tower is used |
| CN115234077A (en) * | 2022-08-13 | 2022-10-25 | 国网江西省电力有限公司建设分公司 | Assembled high-voltage iron tower for power transmission and transformation engineering |
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