CN203574335U - Jumper system of strain tower - Google Patents
Jumper system of strain tower Download PDFInfo
- Publication number
- CN203574335U CN203574335U CN201320754459.1U CN201320754459U CN203574335U CN 203574335 U CN203574335 U CN 203574335U CN 201320754459 U CN201320754459 U CN 201320754459U CN 203574335 U CN203574335 U CN 203574335U
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- Prior art keywords
- jumper
- wire
- insulator string
- rigid
- wire jumper
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- Expired - Fee Related
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- 239000012212 insulator Substances 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052782 aluminium Inorganic materials 0.000 claims description 22
- 230000009191 jumping Effects 0.000 claims description 19
- 239000004020 conductor Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The application discloses a jumper system of a strain tower. The jumper system comprises a jumper cross arm, a first jumper insulator string, a second jumper insulator string, a rigid jumper and two drainage wires, wherein the first jumper insulator string and the second jumper insulator string are respectively suspended at the two ends of the jumper cross arm, the rigid jumper is suspended at the lower ends of the first jumper insulator string and the second jumper insulator string, the distance between the lower end of the first jumper insulator string and the lower end of the second jumper insulator string is greater than the length of the jumper cross arm, and the two drainage wires respectively connect the two ends of the rigid jumper with a small-side power transmission conductor and a large-side power transmission conductor of the strain tower. According to the technical scheme, the distance between the lower end of the first jumper insulator string and the lower end of the second jumper insulator string is greater than the length of the jumper cross arm, a splayed structure is formed, the rigid jumper can be suspended and fixed by the short jumper cross arm, weight increase of the strain tower is avoided, and the overall project cost is reduced.
Description
Technical field
The application relates to high voltage supply technical field, more particularly, relates to a kind of system of jumping line of strain tower.
Background technology
In existing ultra-high-tension power transmission line, strain tower generally adopts common flexible jumper.For UHV transmission line, because insulator sheet number is many, strain insulator string is longer, cause wire jumper span elongated, cause that wire jumper sag increases, thereby the spatial dimension that makes wire jumper windage yaw becomes large because the wire jumper secured electrical distance certain with steel tower needs, so make the size of strain tower also need corresponding increase could meet safe distance requirement.Result makes the overall cost can be very expensive.
Rigid jumper can well overcome the above problems, and by using rigidity aluminum tube bus that flexible jumper part is greatly reduced, thereby has reduced wire jumper sag, reaches the object that reduces strain tower size, saves project cost.
Current rigid jumper system is divided into 3 parts, middle rigid jumper and both sides for connect rigid jumper and wire drainage thread, rigid jumper is fixed by the vertical wire jumper insulator string suspension strut hanging on the wire jumper cross-arm of strain tower.
But, in order to prevent the inhomogeneous overbending distortion that causes rigid jumper because of weight, spacing between wire jumper insulator string and the tie point of rigid bushar is larger, and two wire jumper insulator string vertical hangings, therefore need to adopt the wire jumper cross-arm of large-size, cause the tower weight of strain tower to increase, and then cause project cost higher.
Utility model content
In view of this, the application provides a kind of system of jumping line of strain tower, to reduce wire jumper cross-arm size, enters.
To achieve these goals, the existing scheme proposing is as follows:
A system of jumping line for strain tower, comprising:
Be arranged on the wire jumper cross-arm on described strain tower;
Be separately positioned on the first wire jumper insulator string and the second wire jumper insulator string at described wire jumper cross-arm two ends; The upper end of described the first wire jumper insulator string is connected with one end of described wire jumper cross-arm, and the upper end of described Article 2 wire jumper insulator string is connected with the other end of described wire jumper cross-arm;
Rigid jumper; Described rigid jumper is connected with the lower end of described the first wire jumper insulator string, the lower end of described the second wire jumper insulator string respectively;
Distance between the lower end of the lower end of described the first wire jumper insulator string and described the second wire jumper insulator string is greater than the length of described wire jumper cross-arm;
Article two, drainage thread, is separately positioned on the two ends of described rigid jumper, for the two ends of described rigid jumper are connected with the transmission pressure of the small size side of described strain tower, the transmission pressure of large size side respectively.
Preferably, described rigid bushar is tubular type rigid jumper or cage type rigid jumper wire.
Preferably, described cage jumper comprises:
The multiple wires that become star to be arranged in parallel along axis successively;
Be arranged on the wire jumper support between described multiple wire, for the spacing of fixing described multiple wires.
Preferably, described tubular type rigid jumper is aluminum pipe type rigid jumper wire.
Preferably, described aluminum pipe type rigid jumper wire comprises:
Two aluminum pipes that are arranged in parallel;
Be arranged on the jumper wire spacing rod between described two aluminum pipes, for the spacing of fixing described two aluminum pipes.
Preferably, also comprise:
Be arranged on the heavy punch piece on described rigid jumper, for increasing the weight of described rigid jumper.
From technique scheme, can find out, in the system of jumping line of the disclosed strain tower of the application, distance between the lower end of the lower end of the first insulator string and the second insulator string is less than the length of wire jumper cross-arm, form a kind of splayed structure, can to rigid bushar, suspend in midair fixing with shorter wire jumper cross-arm, with this, avoid the tower weight of strain tower to increase, and then can reduce integrated engineering cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiment of the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structure chart of the system of jumping line of the embodiment of the present application one disclosed strain tower;
Fig. 2 is the structure chart of the system of jumping line of the embodiment of the present application two disclosed strain towers;
Fig. 3 is the structure chart of the system of jumping line of the embodiment of the present application three disclosed strain towers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Based on the embodiment in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment mono-
Fig. 1 is the structure chart of the system of jumping line of the embodiment of the present application one disclosed strain tower.
As shown in Figure 1, the disclosed system of jumping line of the present embodiment comprises wire jumper cross-arm 30, the first wire jumper insulator string 40, the second wire jumper insulator string 50, rigid jumper 10 and two drainage threads 20.
The first wire jumper insulator string 40 is arranged on one end of wire jumper cross-arm 30, and the upper end of the first wire jumper insulator string 40 is connected with one end of wire jumper cross-arm 30; The second wire jumper insulator string 50 is suspended in the other end of wire jumper cross-arm 30, and the upper end of the second wire jumper insulator string 50 is connected with the other end of wire jumper cross-arm 30.
Rigid jumper 10 suspends in midair fixing by the first wire jumper insulator string 40 and the second wire jumper insulator string 50.
Distance between the lower end of the first wire jumper insulator string 40 and the second wire jumper insulator string 50 lower ends is greater than the length of wire jumper cross-arm 30, forms splayed structure.
Article two, a drainage thread 20 in drainage thread 20 is for connecting the transmission pressure 60 of one end of rigid jumper 10 and the small size side of strain tower; Another drainage thread 20 is for connecting the transmission pressure 70 of the other end of rigid jumper 10 and the large size side of strain tower.
From technique scheme, can find out, in the system of jumping line of the disclosed strain tower of the present embodiment, distance between the lower end of the lower end of the first insulator string 40 and the second insulator string 50 is less than the length of wire jumper cross-arm 30, form a kind of splayed structure, can to rigid bushar 10, suspend in midair fixing with shorter wire jumper cross-arm 30, with this, avoid the tower weight of strain tower to increase, and then can reduce integrated engineering cost.
Embodiment bis-
Fig. 2 is the structure chart of the system of jumping line of the embodiment of the present application two disclosed strain towers.
As shown in Figure 2, in the present embodiment, rigid bushar adopts tubular type rigid bushar, and preferred aluminium tube type rigid bushar 11.Comprise aluminum pipe, bracing frame, jumper wire spacing rod, heavy punch piece.
The transmission pressure 60 of the small size side of strain tower is connected with a drainage thread 20 by conduction wire clamp, by pipe bus wire clamp, be connected with one end of aluminium tube type wire jumper 11 again, the other end of aluminium tube type wire jumper 11 is connected with another drainage thread 20 by pipe bus clip, then is connected with the transmission pressure 70 of the large size side of strain tower by conduction wire clamp.
Aluminum pipe type rigid jumper wire 11 comprises two aluminum pipes, between two aluminum pipes, according to predeterminable range, jumper wire spacing rod is installed, and jumper wire spacing rod plays the effect of fixing wire jumper spacing; Four jumper wire spacing rods on every side aluminum pipe, except two conductor spacers near conduction wire clamp place are identical, all the other jumper wire spacing rods are all not identical.
Heavy punch piece screw rod on aluminum pipe type rigid jumper wire 11 is installed heavy punch piece as required.Pipe bus wire clamp place all will install and all press shading ring, all presses between shading ring and connects with bracing frame, uses space-adjusting wire clamp by drainage thread and all presses shading ring interval not collide.
Aluminum pipe type rigid jumper wire 11 is own heavier, and the heavy punch piece of setting up has further increased the vertical load of aluminum pipe type rigid jumper wire 11, has reduced windage yaw angle, with this, reaches the object that further reduces strain tower size.
Embodiment tri-
Fig. 3 is the structure chart of the system of jumping line of the embodiment of the present application three disclosed a kind of strain towers.
As shown in Figure 3, the rigid jumper in the present embodiment adopts cage type rigid jumper wire 12.
The transmission pressure 60 of the small size side of strain tower is connected with a drainage thread 20 by conduction wire clamp, this drainage thread 20 is connected with one end of cage type rigid jumper wire 12, and the other end of cage type rigid jumper wire 12 is connected with the transmission pressure 70 of the large size side of strain tower by another drainage thread 20 again.
Cage type rigid jumper wire 12 comprises many with being parallel to each other and becoming the evenly distributed wire of star along axis, and between wire, according to predeterminable range installation jumper wire spacing rod, jumper wire spacing rod plays the effect of fixing wire jumper spacing; Except jumper wire spacing rod, all the other drainage thread parts are installed 6 steel tube frames.
Heavy punch piece is installed on steel tube frame as required.
Cage rigid bushar own heavier, also heavy punch piece can be installed increases the vertical load of wire jumper, can further reduce the windage yaw angle of wire jumper, thereby reaches the object that further reduces strain tower size.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the application.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the case of not departing from the application's spirit or scope, realize in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a system of jumping line for strain tower, is characterized in that, comprising:
Be arranged on the wire jumper cross-arm on described strain tower;
Be separately positioned on the first wire jumper insulator string and the second wire jumper insulator string at described wire jumper cross-arm two ends; The upper end of described the first wire jumper insulator string is connected with one end of described wire jumper cross-arm, and the upper end of described Article 2 wire jumper insulator string is connected with the other end of described wire jumper cross-arm;
Rigid jumper; Described rigid jumper is connected with the lower end of described the first wire jumper insulator string, the lower end of described the second wire jumper insulator string respectively;
Distance between the lower end of the lower end of described the first wire jumper insulator string and described the second wire jumper insulator string is greater than the length of described wire jumper cross-arm;
Article two, drainage thread, is separately positioned on the two ends of described rigid jumper, for the two ends of described rigid jumper are connected with the transmission pressure of the small size side of described strain tower, the transmission pressure of large size side respectively.
2. system of jumping line as claimed in claim 1, is characterized in that, described rigid bushar is tubular type rigid jumper or cage type rigid jumper wire.
3. system of jumping line as claimed in claim 2, is characterized in that, described cage jumper comprises:
The multiple wires that become star to be arranged in parallel along axis successively;
Be arranged on the wire jumper support between described multiple wire, for the spacing of fixing described multiple rigidity.
4. system of jumping line as claimed in claim 2, is characterized in that, described tubular type rigid jumper is aluminum pipe type rigid jumper wire.
5. system of jumping line as claimed in claim 4, is characterized in that, described aluminum pipe type rigid jumper wire comprises:
Two aluminum pipes that are arranged in parallel;
Be arranged on the jumper wire spacing rod between described two aluminum pipes, for the spacing of fixing described two aluminum pipes.
6. the system of jumping line as described in claim 1～5 any one, is characterized in that, also comprises:
Be arranged on the heavy punch piece on described rigid jumper, for increasing the weight of described rigid jumper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754459.1U CN203574335U (en) | 2013-11-22 | 2013-11-22 | Jumper system of strain tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754459.1U CN203574335U (en) | 2013-11-22 | 2013-11-22 | Jumper system of strain tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203574335U true CN203574335U (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320754459.1U Expired - Fee Related CN203574335U (en) | 2013-11-22 | 2013-11-22 | Jumper system of strain tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203574335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425495A (en) * | 2017-06-16 | 2017-12-01 | 国家电网公司 | Support meanss |
-
2013
- 2013-11-22 CN CN201320754459.1U patent/CN203574335U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425495A (en) * | 2017-06-16 | 2017-12-01 | 国家电网公司 | Support meanss |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: CHINA POWER ENGINEERING CONSULTING (Group) Corp. Patentee after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: EAST CHINA ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: Southwest Electric Power Design Institute CO., Ltd. of China Power Engineering Consulting Group Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee before: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: CHINA POWER ENGINEERING CONSULTING Group CORPORATION EAST CHINA ELECTRIC POWER DESIGN INSTITUTE Patentee before: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: NORTHWEST ELECTRIC POWER DESIGN INST. OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |