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CN212927282U - Insulating cross arm of polymer composite material - Google Patents

Insulating cross arm of polymer composite material Download PDF

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Publication number
CN212927282U
CN212927282U CN202021557497.4U CN202021557497U CN212927282U CN 212927282 U CN212927282 U CN 212927282U CN 202021557497 U CN202021557497 U CN 202021557497U CN 212927282 U CN212927282 U CN 212927282U
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CN
China
Prior art keywords
fixing
arm
polymer composite
unit
cross arm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202021557497.4U
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Chinese (zh)
Inventor
李忠志
李宪明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG JINZHONGYUAN TECHNOLOGY DEVELOPMENT CO LTD
Original Assignee
SHANDONG JINZHONGYUAN TECHNOLOGY DEVELOPMENT CO LTD
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Priority to CN202021557497.4U priority Critical patent/CN212927282U/en
Application granted granted Critical
Publication of CN212927282U publication Critical patent/CN212927282U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The insulating cross arm of polymer composite material, relate to the low-voltage house lead construction material field, the insulating cross arm of polymer composite material includes supporting element and fixed unit fixedly connected with supporting element, the supporting element includes supporting part and a plurality of juts set up at interval along the extending direction of the supporting part, form the groove part between two adjacent juts; the top of the protruding part is provided with a first embedded part; the supporting unit also comprises a fixing plate, and the fixing plate is connected with the first embedded parts on the protruding parts through fixing screws; the fixing unit includes a plurality of fixing arms. The utility model discloses a set up the built-in fitting on insulating cross arm, improved the joint strength of clamp plate and cross arm.

Description

Insulating cross arm of polymer composite material
Technical Field
The utility model relates to a low pressure service wire construction material field, concretely relates to insulating cross arm of polymer based composite.
Background
With the continuous progress of society and the continuous improvement of economic level, the demand of society for electric quantity is also rapidly increasing. The resident electricity consumption, the industrial electricity consumption and the like are increased on the original basis, the contradiction between the power grid quality and the demands of the masses and enterprises is gradually expanded, and higher requirements are provided for power construction and maintenance. According to the statistics of related data, the quantity of field construction such as electric power construction, maintenance, emergency repair and the like is increased in recent years, and great working pressure is brought to electric power workers.
When the low-voltage service wire is constructed on the electric power field, the arrangement and the fixation of the cable are necessary links. At present, in the installation and fixation of an service wire, an angle steel metal bracket is mostly adopted, a tea table or a porcelain bottle is installed on the bracket, and a cable is bound on the tea table or the porcelain bottle. The process is high in cost, time-consuming and labor-consuming, and the problem of binding or tightness or looseness of binding wires is easy to occur, so that the construction quality is uneven, and the construction process is not attractive.
In view of the above general problems, the prior art has made corresponding improvements on the fixing process of the service wire, for example, research and development of construction materials such as an integrally formed wire fixing plate, and although there are improvements in terms of process aesthetics, construction quality, construction efficiency, and the like, in the insulating cross arm in the prior art, the connection strength between the pressing plate for fixing the cable and the cross arm is low, and improvement is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses above-mentioned technical problem to existence among the prior art provides an insulating cross arm of polymer based composite, through set up the built-in fitting on insulating cross arm, has improved the joint strength of clamp plate with the cross arm.
In order to achieve the technical purpose, an embodiment of the present invention provides a polymer composite insulating cross arm, including a supporting unit and a fixing unit fixedly connected to the supporting unit, where the supporting unit includes a supporting portion and a plurality of protruding portions arranged at intervals along an extending direction of the supporting portion, and a groove portion is formed between two adjacent protruding portions; the top of the protruding part is provided with a first embedded part; the supporting unit further comprises a fixing plate, and the fixing plate is connected with the first embedded parts on the protruding parts through fixing screws; the fixing unit includes a plurality of fixing arms.
Preferably, the supporting unit and the fixing unit are detachably connected.
Preferably, a first inserting portion is arranged on the supporting portion of the supporting unit, and a second inserting portion capable of being connected with the first inserting portion in an inserting mode is arranged on the fixing unit.
Preferably, the first inserting portion is provided with a second embedded part, the second inserting portion is provided with a third embedded part, the set screw penetrates through a threaded hole in the third embedded part, and the front end of the set screw is connected with a fixing hole in the second embedded part.
Preferably, the fixing unit includes a body portion, a first fixing arm, a second fixing arm and a third fixing arm, and the first fixing arm, the second fixing arm and the third fixing arm are respectively connected to the body portion through pin shafts.
Preferably, the fixing unit includes a main body, a first fixing arm, a second fixing arm and a third fixing arm, the first fixing arm is fixedly connected to the main body, and the second fixing arm and the third fixing arm are rotatably connected to the main body, respectively.
Preferably, be equipped with rotatable first pivot on the second fixed arm, be equipped with rotatable second pivot on the third fixed arm, fixed unit still includes the adjustment axle, the adjustment axle includes first screw thread portion and second screw thread portion, first screw thread portion with the opposite direction of turning of second screw thread portion, first screw thread portion with screw hole on the first pivot is connected, second screw thread portion with the epaxial screw hole of second pivot is connected.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least: the connecting strength of the fixing plate and the supporting part can be improved by arranging the first embedded part. The first embedded part can be embedded in the supporting part when the supporting part is in compression molding. The first embedded part can be made of a copper material and is corrosion-resistant.
Further, the embodiment of the utility model provides an in with fixed unit and support element set up to dismantling the connection, then can be a specification with fixed unit processing, install the support element of different length according to the needs of field usage to reduce the manufacturing cost of the insulating cross arm of polymer composite to a certain extent, improved the convenience of using.
Drawings
Fig. 1 is a schematic structural diagram of a polymer composite insulating cross arm according to a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a polymer composite insulating cross arm according to a second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a polymer composite insulating cross arm according to a third embodiment of the present invention.
Fig. 4 is a left side view of fig. 3.
Fig. 5 is a schematic structural diagram of a polymer composite insulating cross arm according to a fourth embodiment of the present invention.
Description of the reference numerals
1-a support unit, 11-a support part, 111-a first inserting part, 112-a second embedded part, 12-a protrusion part, 13-a groove part, 14-a fixing plate, 15-a first embedded part and 16-a fixing screw; 2-fixing unit, 20-body part, 21-first fixing arm, 22-second fixing arm, 23-third fixing arm, 24-third embedded part, 25-first rotating shaft, 26-second rotating shaft, 27-adjusting shaft, 271-first threaded part, 272-second threaded part, 28-second inserting part and 3-set screw.
Detailed Description
Other objects and advantages of the present invention will become apparent from the following explanation of the preferred embodiments of the present application.
Example 1
As shown in fig. 1, the polymer composite insulating cross arm includes a supporting unit 1 and a fixing unit 2 fixedly connected to the supporting unit 1, the supporting unit 1 includes a supporting portion 11 and a plurality of protruding portions 12 arranged at intervals along an extending direction of the supporting portion 11, and a groove portion 13 is formed between two adjacent protruding portions 12. The top of the protrusion 12 is provided with a first embedment 15. The supporting unit 1 further comprises a fixing plate 14, and the fixing plate 14 is connected with a first embedded part 15 on each protrusion part 12 through a fixing screw 16. The fixing unit 2 includes a plurality of fixing arms. The fixing unit 2 is fixedly connected with the supporting unit 1, and the fixing unit 2 is used for fixing the polymer composite material insulating cross arm on a wall. The groove portion 13 of the supporting unit 1 is used for winding the electric wire, and the fixing plate 14 is used for fixing the electric wire in the groove portion 13.
The utility model discloses an insulating cross arm of polymer composite preferably adopts SMC combined material, SMC combined material is prior art, it has unique performance, SMC combined material often is as the ammeter case, can solve wood system, steel, the plastics ammeter case is easily ageing, perishable, it is insulating poor, cold resistance is poor, the fire resistance is poor, the shortcoming of short-lived, the good performance of compound ammeter case, there is absolute sealed waterproof performance, corrosion resisting property, anti-theft electrical property, do not need the earth connection, it is outward appearance pleasing to the eye, there is the safety protection of lock and lead sealing, long service life, SMC combined material's cable support, cable trench support, wide application in rural power grids such as compound ammeter case, use in the urban network transformation.
The first embedded part 15 can be made of copper material, is corrosion resistant and can improve the connection strength of the fixing plate 14 and the supporting part 11. The first embedded part 15 may be embedded in the support part 11 when the support part 11 is molded.
The protrusions 12 may be provided in a plurality of groups, each group of protrusions 12 is arranged at intervals along the extending direction of the support portion 11, and the plurality of groups of protrusions 12 are uniformly arranged around the circumference of the support portion 11.
Example 2
As shown in fig. 2, the present embodiment is different from embodiment 1 in that a supporting unit 1 and a fixing unit 2 are detachably connected. The fixing portions of the fixing unit 2 have different lengths according to the requirements of use. For example, fig. 2 shows a case where each set has three projecting portions 12, and the three projecting portions 12 form two groove portions 13. Five sets of protrusions 12 may be provided so that four recessed portions 13 are formed. Different numbers of groove sections 13 may be used for fixing different numbers of cables. In this embodiment, the fixing unit 2 and the supporting unit 1 are detachably connected, so that the fixing unit 2 can be processed into a specification, and the supporting units 1 with different lengths can be installed according to the needs of field use, thereby reducing the manufacturing cost of the polymer composite insulating cross arm to a certain extent and improving the convenience of use.
Specifically, the supporting portion 11 of the supporting unit 1 is provided with a first insertion portion 111, and the fixing unit 2 is provided with a second insertion portion 28 that can be inserted into and connected to the first insertion portion 111. The first inserting portion 111 is provided with a second embedded part 112, the second inserting portion 28 is provided with a third embedded part 24, the set screw 3 penetrates through a threaded hole in the third embedded part 24, and the front end of the set screw 3 is connected with a fixing hole in the second embedded part 112. The detachable connection of the supporting unit 1 and the fixing unit 2 can be conveniently realized by the first inserting portion 111 and the second inserting portion 28. The fixing unit 2 and the supporting unit 1 can be conveniently and firmly connected by the set screw 3.
Example 3
As shown in fig. 3 and 4, the fixing unit 2 includes a main body 20, a first fixing arm 21, a second fixing arm 22, and a third fixing arm 23, and the first fixing arm 21, the second fixing arm 22, and the third fixing arm 23 are respectively connected to the main body through pins. By rotating each fixed arm, each fixed arm can be rotated to different angles, such as 120 degrees or other angles, and can meet different installation environment requirements.
Example 4
As shown in fig. 5, the present embodiment is different from embodiment 3 in that the fixing unit 2 includes a main body 20, a first fixing arm 21, a second fixing arm 22 and a third fixing arm 23, the first fixing arm 21 is fixedly connected with the main body 20, and the second fixing arm 22 and the third fixing arm 23 are respectively rotatably connected with the main body 20.
The second fixing arm 22 is provided with a rotatable first rotating shaft 25, the third fixing arm 23 is provided with a rotatable second rotating shaft 26, the fixing unit 2 further comprises an adjusting shaft 27, the adjusting shaft 27 comprises a first threaded portion 271 and a second threaded portion 272, the rotating directions of the first threaded portion 271 and the second threaded portion 272 are opposite, the first threaded portion 271 is connected with a threaded hole in the first rotating shaft 25, and the second threaded portion 272 is connected with a threaded hole in the second rotating shaft 26. The angle of the interval between the second fixing arm 22 and the third fixing arm 23 can be adjusted by rotating the adjustment shaft 27. This embodiment has a higher structural strength than the solution of embodiment 3.
The apparatus of the present application has been described in detail with reference to the preferred embodiments thereof, however, it should be noted that those skilled in the art can make modifications, alterations and adaptations based on the above disclosure without departing from the spirit of the present application. The present application includes the specific embodiments described above and any equivalents thereof.

Claims (7)

1. The polymer composite material insulating cross arm is characterized by comprising a supporting unit and a fixing unit fixedly connected with the supporting unit, wherein the supporting unit comprises a supporting part and a plurality of protruding parts arranged at intervals along the extending direction of the supporting part, and a groove part is formed between every two adjacent protruding parts; the top of the protruding part is provided with a first embedded part; the supporting unit further comprises a fixing plate, and the fixing plate is connected with the first embedded parts on the protruding parts through fixing screws; the fixing unit includes a plurality of fixing arms.
2. The polymer composite insulating cross arm of claim 1, wherein the supporting unit and the fixing unit are detachably connected.
3. The polymer composite insulating cross arm according to claim 2, wherein a first insertion portion is provided on the support portion of the support unit, and a second insertion portion capable of being inserted into and connected to the first insertion portion is provided on the fixing unit.
4. The polymer composite insulating cross arm of claim 3, wherein the first inserting portion is provided with a second embedded part, the second inserting portion is provided with a third embedded part, the set screw passes through a threaded hole in the third embedded part, and the front end of the set screw is connected with a fixing hole in the second embedded part.
5. The polymer composite insulating cross arm of claim 1, wherein the fixing unit comprises a body portion, a first fixing arm, a second fixing arm and a third fixing arm, and the first fixing arm, the second fixing arm and the third fixing arm are respectively connected with the body portion through pin shafts.
6. The polymer composite insulating cross arm of claim 1, wherein the fixing unit comprises a body portion, a first fixing arm, a second fixing arm and a third fixing arm, the first fixing arm is fixedly connected with the body portion, and the second fixing arm and the third fixing arm are respectively rotatably connected with the body portion.
7. The polymer composite insulating cross arm of claim 6, wherein the second fixing arm is provided with a rotatable first rotating shaft, the third fixing arm is provided with a rotatable second rotating shaft, the fixing unit further comprises an adjusting shaft, the adjusting shaft comprises a first threaded portion and a second threaded portion, the first threaded portion and the second threaded portion are opposite in rotation direction, the first threaded portion is connected with the threaded hole in the first rotating shaft, and the second threaded portion is connected with the threaded hole in the second rotating shaft.
CN202021557497.4U 2020-07-31 2020-07-31 Insulating cross arm of polymer composite material Expired - Fee Related CN212927282U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021557497.4U CN212927282U (en) 2020-07-31 2020-07-31 Insulating cross arm of polymer composite material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021557497.4U CN212927282U (en) 2020-07-31 2020-07-31 Insulating cross arm of polymer composite material

Publications (1)

Publication Number Publication Date
CN212927282U true CN212927282U (en) 2021-04-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021557497.4U Expired - Fee Related CN212927282U (en) 2020-07-31 2020-07-31 Insulating cross arm of polymer composite material

Country Status (1)

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CN (1) CN212927282U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115142727A (en) * 2022-09-02 2022-10-04 江东金具设备有限公司 Composite insulating cross arm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115142727A (en) * 2022-09-02 2022-10-04 江东金具设备有限公司 Composite insulating cross arm

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210409

CF01 Termination of patent right due to non-payment of annual fee