CN213175056U

CN213175056U - Cross arm

Info

Publication number: CN213175056U
Application number: CN202021375471.8U
Authority: CN
Inventors: 杨福奖; 杨静涛; 李光; 赵龙; 党立坤
Original assignee: Shaanxi Elesafety Power Technology Co ltd
Current assignee: Shaanxi Elesafety Power Technology Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-05-11
Anticipated expiration: 2030-07-13

Abstract

The utility model relates to a cross arm relates to the field of cross arm, its including insulating horizontal pole and with the centre gripping subassembly of insulating horizontal pole rigid coupling, the centre gripping subassembly include with base that insulating horizontal pole is connected, with the rotation seat of base rigid coupling, with rotate seat threaded connection's screw rod and with the screw rod rotates the briquetting of connecting, the briquetting can orient base one side slides, rotate the seat on be equipped with at least a set of guide spare that the briquetting is connected. This application has the effect of the transmission line of being convenient for operation personnel to install.

Description

Cross arm

Technical Field

The application relates to the field of cross arms, in particular to a cross arm.

Background

In a circuit transmission system, an electric tower is used for supporting an overhead transmission line, and generally comprises a telegraph pole, an iron mounting seat fixedly connected to the telegraph pole, and a cross arm fixedly connected with the mounting seat through screws.

In the related technology, the cross arm is usually made of iron materials, one end of the cross arm, far away from a telegraph pole, is fixedly connected with a porcelain bottle, a power transmission line is connected with the porcelain bottle, the porcelain bottle plays an insulating role in the power transmission line and the telegraph pole, the porcelain bottle is a tension-resistant cross arm when horizontally and transversely installed, and the porcelain bottle is a linear cross arm when vertically and vertically installed; when the linear cross arm is used, the transmission line is wound on the peripheral wall of the porcelain bottle and then is bound with the porcelain bottle by the binding wire.

In view of the above-mentioned related art, the inventor believes that there is a drawback in that a process of installing a power transmission line is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the operating personnel installation power transmission line, this application provides a cross arm.

The application provides a cross arm adopts following technical scheme:

the utility model provides a cross arm, including insulating horizontal pole and with the centre gripping subassembly of insulating horizontal pole rigid coupling, the centre gripping subassembly include with the base that insulating horizontal pole is connected, with the rotation seat of base rigid coupling, with rotate a threaded connection's screw rod and with the screw rod rotates the briquetting of being connected, the briquetting can move towards base one side slides, rotate the seat on be equipped with at least a set of guide of briquetting connection.

By adopting the technical scheme, when the power transmission line is installed, the power transmission line penetrates through the position between the pressing block and the base, then an operator rotates the screw rod, the pressing block is driven to move towards one side of the base in the rotation process of the screw rod, and the pressing block can be pressed tightly in the movement process of the pressing block towards the base; the power transmission line is compressed by the aid of the screw and the pressing block, operation is convenient, and the power transmission line can be installed by operators conveniently and fast.

Preferably, it has articulated piece to rotate to articulate on the seat, just it has offered the confession to rotate to seat the caulking groove of articulated piece embedding, the rotation axis of articulated piece with the axis of screw rod is parallel, the screw rod passes articulated piece and with articulated piece threaded connection, the guide is located on the articulated piece.

By adopting the technical scheme, when the power transmission line is installed, the hinge piece is firstly rotated to be separated from the caulking groove, then the power transmission line is directly placed on one side of the base close to the pressing block, and then the hinge piece is rotated back to the caulking groove, so that the power transmission line can be tightly pressed; by arranging the hinging piece hinged with the rotating seat, after the hinging piece is rotated to be separated from the caulking groove, an operator does not need to firstly pass one end of the power transmission line through the position between the pressing block and the base and then slide the power transmission line along the position between the pressing block and the base, so that the operator can conveniently and quickly place the power transmission line at the position between the pressing block and the base even if the length of the power transmission line is longer; in addition, if the power transmission line breaks down and needs to be changed, the usable insulating rod of operating personnel chooses the articulated piece from the caulking groove to separate with the caulking groove, later with the power transmission line with insulating rod pick up change can, it can change the power transmission line under the circumstances of live working, the operation is comparatively safe convenient.

Preferably, the insulating cross rod comprises two fixedly connected side plates, and an included angle is formed between the two side plates.

By adopting the technical scheme, when the insulating cross rod is connected with the mounting seat on the telegraph pole, the side plate in the insulating cross rod is fixedly connected with the mounting seat by using a screw; establish into two curb plates through insulating horizontal pole and connect and form, its thickness is thinner, need not other auxiliary connection spare alright pass through screw fixed connection with curb plate and current mount pad, and it has higher commonality and convenience.

Preferably, the side plate comprises an insulating composite material layer and a silicone rubber layer coated on the outer wall of the insulating composite material layer.

By adopting the technical scheme, the insulating composite material layer and the silicone rubber layer can insulate the power transmission line from the telegraph pole, so that the power transmission line has better insulating property and higher safety performance; meanwhile, the silicon rubber layer is coated outside the insulating composite material, the silicon rubber is corrosion-resistant and has high hydrophobicity, the corrosion resistance of the silicon rubber can improve the stability of the insulating cross rod and the service life of the insulating cross rod, rainwater can be prevented from converging on the surface of the side plate to form a continuous water column due to the hydrophobicity of the silicon rubber, the water column is prevented from being communicated with a power transmission line to form a conductive path, and the insulating cross rod has high safety performance, can be suitable for different climatic conditions and has high universality.

Preferably, a plurality of umbrella groups arranged at intervals are convexly arranged on the outer wall of the silicon rubber layer, and the umbrella groups are silicon rubber umbrella groups.

By adopting the technical scheme, the two adjacent umbrella groups can further separate rainwater in rainy days, and the safety performance of use in rainy days is further improved.

Preferably, one side plate of the two side plates is horizontally provided with the other side plate which is vertically arranged, the top wall of the horizontally arranged side plate is upwards convexly provided with a drainage belt, the drainage belt is made of silicon rubber, and the cross section of the drainage belt along the vertical direction is in an arc shape with a downward opening.

Through adopting above-mentioned technical scheme, set up the drainage zone, the curb plate roof that can be convenient for the rainwater set up from the level falls down along drainage zone both sides, avoids the rainwater to gather at the curb plate roof that the level set up and lead to rainwater and power transmission line, wire pole to form the conducting path, and it has higher security performance.

Preferably, the base is detachably and fixedly connected with the insulating cross rod.

Through adopting above-mentioned technical scheme, establish base and insulating horizontal pole into to dismantle and be connected, can receive when damaging at centre gripping subassembly or insulating horizontal pole, change alone it, can effectively practice thrift economic cost.

Preferably, a threading groove is formed in one side wall, close to the base, of the pressing block.

Through adopting above-mentioned technical scheme, when compressing tightly the power transmission line, place the power transmission line in the threading groove, can be more firm with the power transmission line centre gripping through setting up the threading groove.

Preferably, the inner wall of the threading groove is fixedly connected with a flexible pressing sheet.

Through adopting above-mentioned technical scheme, through setting up flexible preforming, can extrude the power transmission line by flexible preforming at the in-process of centre gripping power transmission line, it can be with more firm of power transmission line centre gripping.

Preferably, the hinge plate is provided with a guide hole in a penetrating manner, the guide piece is a guide rod which penetrates through the guide hole and is in sliding connection with the guide hole, the guide rod is fixedly connected with the pressing block, and the sliding direction of the guide rod is parallel to the axis of the screw rod.

Through adopting above-mentioned technical scheme, when rotating the screw rod, the guide bar slides along the guiding hole, can play the guide effect to the briquetting through setting up guide bar and guiding hole, avoids the briquetting skew to appear in the in-process of motion.

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

1. the clamping assembly is arranged, so that an operator can clamp the power transmission line quickly and conveniently, and the operator can install the power transmission line conveniently;

2. the hinging sheet can be used for overhauling under the condition that the power transmission line is electrified, so that the maintenance time of the power supply system is shortened to a certain extent;

3. the insulating cross rod is provided with the insulating composite material layer and the silicon rubber layer, so that the use safety performance and the universality can be improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a side panel of an embodiment of the present application;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

Description of reference numerals: 1. a side plate; 11. an insulating composite layer; 12. a silicone rubber layer; 13. an included angle; 14. an umbrella group; 15. a drainage belt; 2. a clamping assembly; 21. a base; 22. a rotating seat; 221. caulking grooves; 222. a protrusion; 23. a screw; 24. briquetting; 25. a threading slot; 26. flexible tabletting; 27. locking the bolt; 28. connecting holes; 29. a nut; 3. a hinged sheet; 31. a guide bar; 32. a guide hole; 4. a utility pole; 41. and (7) mounting a seat.

Detailed Description

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

The embodiment of the application discloses a cross arm. Referring to fig. 1 and 2, the clamping device comprises an insulating cross rod and a clamping component 2 fixedly connected with the insulating cross rod.

Referring to fig. 1 and 2, the insulating cross bar is horizontally arranged, the insulating cross bar comprises two side plates 1 fixedly connected into a whole, an included angle 13 is formed between the two side plates 1, the included angle 13 is 90 degrees in the embodiment, and one side plate 1 of the two side plates 1 is horizontally arranged and the other side plate 1 is vertically arranged; when the insulating cross rod is installed, the side plate 1 which is vertically arranged is fixedly connected with the installation seat 41 on the telegraph pole 4 through screws; the side plate 1 comprises an insulating composite material layer 11 and a silicone rubber layer 12 coated on the outer wall of the insulating composite material layer 11, the insulating composite material layer 11 is made of epoxy resin in the embodiment, and the insulating composite material layer 11 can also be made of nylon in other embodiments; a plurality of umbrella groups 14 which are arranged at intervals are integrally and convexly arranged on the outer wall of the silicon rubber layer 12, and the umbrella groups 14 are silicon rubber umbrella groups; the 1 roof of curb plate that the level set up is the epirelief and is equipped with drainage area 15, and drainage area 15 is the arc that the opening is decurrent along the cross-section of vertical direction, and drainage area 15's material is silicon rubber.

Referring to fig. 2 and 3, the clamping assembly 2 includes a base 21 detachably and fixedly connected to the insulating cross bar by screws, a rotating base 22 fixedly connected to the base 21, a screw 23 in threaded connection with the rotating base 22, and a pressing block 24 rotatably connected to the screw 23.

Referring to fig. 2 and 3, the base 21 is detachably and fixedly connected with the insulating cross bar, a locking bolt 27 is welded on the side wall of the base 21, a connecting hole 28 is formed in the side plate 1 in the insulating cross bar in a penetrating manner, and the locking bolt 27 penetrates through the connecting hole 28 and then is in threaded connection with a nut 29 so as to fixedly clamp the side plate 1 between the locking bolt 27 and the nut 29.

Referring to fig. 3, in the present embodiment, two rotating bases 22 are provided, two rotating bases 22 are respectively provided at two ends of the base 21, the base 21 and the two rotating bases 22 form a concave structure, the pressing block 24 is located in the middle of the two rotating bases 22, and the pressing block 24 can move toward one side of the base 21, an opening of the concave structure in the present embodiment faces upward, and both the moving direction of the pressing block 24 and the axis of the screw 23 are vertical directions. Briquetting 24 is close to a lateral wall of base 21 and has been seted up threading groove 25, and threading groove 25 is the arcwall face of opening towards base 21 one side in this embodiment, and threading groove 25 inner wall rigid coupling has flexible preforming 26, and flexible preforming 26's material is silica gel, and flexible preforming 26 passes through glue and adheres to in threading groove 25 inner wall.

Referring to fig. 3, one of the two rotating seats 22 is hinged with the hinge piece 3, the other rotating seat 22 is provided with a caulking groove 221 for embedding the hinge piece 3, the rotation axis of the hinge piece 3 is parallel to the axis of the screw 23, the opening of the caulking groove 221 is in a horizontal direction, a hemispherical protrusion 222 is fixedly connected to the inner wall of the caulking groove 221 integrally, the diameter of the protrusion 222 in the embodiment is 1mm, the protrusion 222 is made of plastic, and the hinge piece 3 can cross the protrusion 222 and be embedded into the caulking groove 221; the screw 23 passes articulated piece 3 and with articulated piece 3 threaded connection, still be equipped with at least a set of guide on the articulated piece 3, the guide is equipped with two sets ofly in this embodiment, and two sets of guides locate the both sides of screw 23 axis direction respectively, articulated piece 3 is gone up and is run through respectively in screw 23 both sides and seted up guiding hole 32, the guide is for passing guiding hole 32 and with guiding hole 32 sliding connection's guide bar 31, guide bar 31 passes through screw fixed connection with briquetting 24.

The implementation principle of a cross arm in the embodiment of the application is as follows: during operation, at first pass through screw fixed connection with curb plate 1 in the insulating horizontal pole and the mount pad 41 on wire pole 4 to make the curb plate 1 level setting that is equipped with the waterproof strip in the insulating horizontal pole, not set up the vertical setting of curb plate 1 of waterproof strip, and make the 90 contained angles 13 that two curb plates 1 formed set up downwards. After the insulating rail is assembled, the clamping assembly 2 and the insulating rail are secured by inserting the locking bolts 27 on the side walls of the base 21 through the attachment holes 28 and locking the insulating rail and the base 21 with the nuts 29.

After installing centre gripping subassembly 2 alright installation power transmission line, during the installation power transmission line, with articulated piece 3 follow caulking groove 221 extrustion, place the power transmission line between two rotation seats 22 again, later with articulated piece 3 one end turn back to in the caulking groove 221, screw 23 is twisted at last, when twisting screw 23, because guide bar 31 has the guide effect to briquetting 24, consequently the rotatory in-process of screw 23 alright drive briquetting 24 and move towards base 21 one side to alright press from both sides the power transmission line tightly.

If the power transmission line needs to be replaced in an electrified way, the hinging sheet 3 is ejected out of the embedded groove 221 by the bar made of insulating materials, the old power transmission line is ejected out of the space between the two rotating seats 22, the new power transmission line is arranged between the two rotating seats 22 on the base 21, and finally the hinging sheet 3 is rotated back into the embedded groove 221

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 cross arm, characterized by: including insulating horizontal pole and with centre gripping subassembly (2) of insulating horizontal pole rigid coupling, centre gripping subassembly (2) include with base (21) that insulating horizontal pole is connected, with rotation seat (22) of base (21) rigid coupling, with rotate seat (22) threaded connection's screw rod (23) and with screw rod (23) rotate briquetting (24) of connecting, briquetting (24) can move towards base (21) one side slides, be equipped with on rotation seat (22) with at least a set of guide of briquetting (24) connection.

2. A crossarm according to claim 1, characterised in that: rotate to articulate on seat (22) and have articulated piece (3), just it offers the confession to rotate on seat (22) caulking groove (221) of articulated piece (3) embedding, the axis of rotation of articulated piece (3) with the axis of screw rod (23) is parallel, screw rod (23) are passed articulated piece (3) and with articulated piece (3) threaded connection, the guide is located on articulated piece (3).

3. A crossarm according to claim 1, characterised in that: the insulating cross rod comprises two fixedly connected side plates (1), and an included angle (13) is formed between the two side plates (1).

4. A crossarm according to claim 3, characterised in that: the side plate (1) comprises an insulating composite material layer (11) and a silicone rubber layer (12) coated on the outer wall of the insulating composite material layer (11).

5. A crossarm according to claim 4, characterised in that: the outer wall of the silicone rubber layer (12) is convexly provided with a plurality of umbrella groups (14) which are arranged at intervals, and the umbrella groups (14) are silicone rubber umbrella groups.

6. A crossarm according to claim 3, characterised in that: any one side plate (1) of the two side plates (1) is horizontally provided with the other side plate (1) in a vertical arrangement mode, the top wall of the side plate (1) in the horizontal arrangement mode is provided with a drainage belt (15) in an upward protruding mode, the drainage belt (15) is made of silicon rubber, and the cross section of the drainage belt (15) in the vertical direction is in an arc shape with a downward opening.

7. A crossarm according to claim 1, characterised in that: the base (21) is detachably and fixedly connected with the insulating cross rod.

8. A crossarm according to claim 1, characterised in that: a threading groove (25) is formed in one side wall, close to the base (21), of the pressing block (24).

9. A crossarm according to claim 8, wherein: and a flexible pressing sheet (26) is fixedly connected to the inner wall of the threading groove (25).

10. A crossarm according to claim 2, characterised in that: the hinge piece (3) is provided with a guide hole (32) in a penetrating manner, the guide piece penetrates through the guide hole (32) and the guide rod (31) which is connected with the guide hole (32) in a sliding manner, the guide rod (31) is fixedly connected with the pressing block (24), and the sliding direction of the guide rod (31) is parallel to the axis of the screw rod (23).