CN203640377U - Improved overhead power transmission iron tower - Google Patents
Improved overhead power transmission iron tower Download PDFInfo
- Publication number
- CN203640377U CN203640377U CN201420007222.1U CN201420007222U CN203640377U CN 203640377 U CN203640377 U CN 203640377U CN 201420007222 U CN201420007222 U CN 201420007222U CN 203640377 U CN203640377 U CN 203640377U
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- tower body
- cross
- arm
- fixed
- tower
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Abstract
The utility model discloses an improved overhead power transmission iron tower. The improved overhead power transmission iron tower comprises an underground base and a tower body, wherein the tower body is fixed on the base; at least two cross arms are arranged on the tower body in parallel; a plurality of fixing grooves are formed in each cross arm; at least one insulation sliding block is movably arranged on each cross arm; the insulation sliding blocks are fixed on the cross arms through fixing wedges inserted in fixing grooves; a rubber chute is formed in each insulation sliding block; limiting blocks are arranged at two ends of each rubber chute; an insulation groove is formed in each rubber chute; a fixing rod is arranged on the top of each insulation groove; lightning rods are respectively arranged on the top of the tower body and at two ends of each cross arm; reinforcing ribs are arranged between each cross arm and the tower body; a plurality of fixing reinforcing steel bars which are connected with the tower body are arranged in the base, and are provided with a plurality of steel plates; and a metal wire mesh is arranged on the outer side of the base, and is connected with the lightning rods. By using the improved overhead power transmission iron tower, the shortcomings in the prior art are overcome, and the firmness and the safety on stringing and fixation of the iron tower and the flexibility on arrangement of wires are improved.
Description
Technical field
The utility model relates to a kind of power transmitting device, especially a kind of improved overhead power transmission steel tower.
Background technology
In long distance power transmission equipment, need to use steel tower to support overhead wire.Existing steel tower sets up power transmission cable by insulator, and permanent position is dumb, in the time that the extraneous factor such as blown affects, easily damages.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of improved overhead power transmission steel tower, can improve the deficiencies in the prior art, improves the flexibility of fixing firmness, safety and wiring of stringing and steel tower.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of improved overhead power transmission steel tower, comprise and be arranged on underground pedestal and be fixed on the tower body on pedestal, on tower body, be arranged with at least two cross-arms in parallel, on cross-arm, be provided with several holddown grooves, on cross-arm, be movably set with at least one insulation slide block, insulation slide block is fixed on cross-arm by the fixed wedge being plugged in holddown groove, in insulation slide block, be provided with rubber chute, the two ends of rubber chute are provided with limited block, in rubber chute, be provided with isolation recesses, the top of isolation recesses is provided with fixed bar, the top of tower body and the two ends of cross-arm are respectively arranged with lightning rod, between cross-arm and tower body, be provided with reinforcing rib, in pedestal, be provided with the fixing reinforcing bar that several are connected with tower body, on fixing reinforcing bar, be provided with several steel plates, pedestal arranged outside has wire gauze, and wire gauze is connected with lightning rod.
As preferably, the weight of described pedestal is 4～6 times of described tower body weight.
As preferably, between described cross-arm and tower body, be provided with angle steel and be connected, the vertical plane of cross-arm and angle steel is horizontally fixed on tower body by bolt, and cross-arm is vertically fixed on the horizontal plane of angle steel by bolt.
The beneficial effect that adopts technique scheme to bring is: the utility model has changed the structure of the fixing aerial cable of existing use insulator, and aerial cable is fixed in isolation recesses, locked by fixed bar.Isolation recesses can be carried out limited activity in rubber chute, can be used for the longitudinal leap of aerial cable to cushion, and has avoided the damage to insulator due to aerial cable longitudinal leap.Whole insulation slide block can move on cross-arm, according to selection permanent position, actual stringing position.Use fixed wedge is fixed, and compared with bolt fixed mode, can reach identical constant intensity, in addition, because fixing contact surface is inclined-plane, has avoided using the fixing screw thread occurring of the bolt dead situation of becoming rusty, and is convenient to regulate the position of insulation slide block.Lightning rod on tower body and cross-arm can omnibearing protection overhead wire be subject to the impact of thunder and lightning.Lightning rod is connected with underground wire gauze, has improved conductive effect.Angle steel is used for cross-arm horizontal direction and vertical direction to be fixed, and length travel and angle that reinforcing rib is used for to cross-arm tilt to limit, and have comprehensively improved the fix tightly soundness of cross-arm on tower body.The weight of pedestal is 4～6 times of described tower body weight, can ensure the stability that tower body and bottom surface are fixing.Fixing reinforcing bar in pedestal can improve the degree of being connected firmly of vertical direction between tower body and pedestal, and steel plate can improve the degree of being connected firmly of horizontal direction between tower body and pedestal.
Brief description of the drawings
Fig. 1 is the schematic diagram of a concrete mode of implementing of the utility model.
Fig. 2 is the schematic diagram of slide block of insulating in the concrete mode of implementing of one of the utility model.
In figure: 1, pedestal; 2, tower body; 3, cross-arm; 4, holddown groove; 5, insulation slide block; 6, fixed wedge; 7, rubber chute; 8, limited block; 9, isolation recesses; 10, fixed bar; 11, lightning rod; 12, reinforcing rib; 13, fixing reinforcing bar; 14, steel plate; 15, wire gauze; 16, angle steel.
Detailed description of the invention
With reference to Fig. 1-2, detailed description of the invention of the utility model comprises and is arranged on underground pedestal 1 and is fixed on the tower body 2 on pedestal 1, on tower body 2, be arranged with two cross-arms 3 in parallel, on cross-arm 3, be provided with several holddown grooves 4, on cross-arm 3, be movably set with two insulation slide blocks 5, insulation slide block 5 is fixed on cross-arm 3 by the fixed wedge 6 being plugged in holddown groove 4, in insulation slide block 5, be provided with rubber chute 7, the two ends of rubber chute 7 are provided with limited block 8, in rubber chute 7, be provided with isolation recesses 9, the top of isolation recesses 9 is provided with fixed bar 10, the two ends of the top of tower body 2 and cross-arm 3 are respectively arranged with lightning rod 11, between cross-arm 3 and tower body 2, be provided with reinforcing rib 12, in pedestal 1, be provided with the fixing reinforcing bar 13 that several are connected with tower body 2, on fixing reinforcing bar 13, be provided with several steel plates 14, pedestal 1 arranged outside has wire gauze 15, and wire gauze 15 is connected with lightning rod 11.
Weight that it should be noted that described pedestal 1 is 5 times of described tower body 2 weight.
In addition, be provided with angle steel 16 and be connected between described cross-arm 3 and tower body 2, cross-arm 3 is horizontally fixed on tower body 2 by bolt with the vertical plane of angle steel 16, and cross-arm 3 is vertically fixed on the horizontal plane of angle steel 16 by bolt.
Wherein, the distance between adjacent cross-arm 3 and between adjacent insulation slide block 5 is greater than two safe distances between wire.Taking 10kV high-voltage line as example, safe distance is 1/50 of two steel tower spacing.Pedestal 1 adopts reinforced concrete structure, and the buried degree of depth of pedestal 1 is greater than 1/4 of tower body 2 height.
Operating principle of the present utility model is: the utility model has changed the structure of the fixing aerial cable of existing use insulator, and aerial cable is fixed in isolation recesses 9, locked by fixed bar 10.Isolation recesses 9 can be carried out limited activity in rubber chute 7, can be used for the longitudinal leap of aerial cable to cushion, and has avoided the damage to insulator due to aerial cable longitudinal leap.Whole insulation slide block 5 can move on cross-arm 3, according to selection permanent position, actual stringing position.Use fixed wedge 6 fixing, compared with bolt fixed mode, can reach identical constant intensity, in addition, because fixing contact surface is inclined-plane, avoided using the fixing screw thread occurring of the bolt dead situation of becoming rusty, be convenient to the insulate position of slide block 5 of adjusting.Lightning rod on tower body 2 and cross-arm 3 can omnibearing protection overhead wire be subject to the impact of thunder and lightning.Lightning rod is connected with underground wire gauze 15, has improved conductive effect.Angle steel 16 is used for cross-arm 3 horizontal directions and vertical direction to be fixed, and length travel and angle that reinforcing rib 12 is used for to cross-arm 3 tilt to limit, and have comprehensively improved the fix tightly soundness of cross-arm 3 on tower body 2.The weight of pedestal 1 is preferably 5 times of tower body 2 weight, can ensure the stability that tower body 2 and bottom surface are fixing.Fixing reinforcing bar 13 in pedestal 1 can improve the degree of being connected firmly of vertical direction between tower body 2 and pedestal 1, and steel plate 14 can improve the degree of being connected firmly of horizontal direction between tower body 2 and pedestal 1.Taking 10kV high-voltage line as example, preferred security distance is 1/50 of two steel tower spacing.Pedestal 1 adopts reinforced concrete structure, and the buried degree of depth of pedestal 1 is greater than 1/4 of tower body 2 height, the safety that can improve to the full extent steel tower.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and manual, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. an improved overhead power transmission steel tower, it is characterized in that: comprise and be arranged on underground pedestal (1) and be fixed on the tower body (2) on pedestal (1), on tower body (2), be arranged with at least two cross-arms (3) in parallel, on cross-arm (3), be provided with several holddown grooves (4), on cross-arm (3), be movably set with at least one insulation slide block (5), insulation slide block (5) is fixed on cross-arm (3) by the fixed wedge (6) being plugged in holddown groove (4), in insulation slide block (5), be provided with rubber chute (7), the two ends of rubber chute (7) are provided with limited block (8), in rubber chute (7), be provided with isolation recesses (9), the top of isolation recesses (9) is provided with fixed bar (10), the two ends of the top of tower body (2) and cross-arm (3) are respectively arranged with lightning rod (11), between cross-arm (3) and tower body (2), be provided with reinforcing rib (12), in pedestal (1), be provided with the fixing reinforcing bar (13) that several are connected with tower body (2), on fixing reinforcing bar (13), be provided with several steel plates (14), pedestal (1) arranged outside has wire gauze (15), and wire gauze (15) is connected with lightning rod (11).
2. improved overhead power transmission steel tower according to claim 1, is characterized in that: the weight of described pedestal (1) is 4～6 times of described tower body (2) weight.
3. improved overhead power transmission steel tower according to claim 1, it is characterized in that: between described cross-arm (3) and tower body (2), be provided with angle steel (16) and be connected, cross-arm (3) is horizontally fixed on tower body (2) above with the vertical plane of angle steel (16) by bolt, and cross-arm (3) is vertically fixed on the horizontal plane of angle steel (16) by bolt.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007222.1U CN203640377U (en) | 2014-01-07 | 2014-01-07 | Improved overhead power transmission iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007222.1U CN203640377U (en) | 2014-01-07 | 2014-01-07 | Improved overhead power transmission iron tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203640377U true CN203640377U (en) | 2014-06-11 |
Family
ID=50871633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420007222.1U Expired - Fee Related CN203640377U (en) | 2014-01-07 | 2014-01-07 | Improved overhead power transmission iron tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203640377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111628464A (en) * | 2020-06-28 | 2020-09-04 | 国网山东省电力公司威海市文登区供电公司 | Insulating rod cable fixing device |
-
2014
- 2014-01-07 CN CN201420007222.1U patent/CN203640377U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111628464A (en) * | 2020-06-28 | 2020-09-04 | 国网山东省电力公司威海市文登区供电公司 | Insulating rod cable fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170126 Address after: 313000 Changxing County, Zhejiang, Heping Town, the characteristics of Industrial Park Patentee after: Zhejiang Yongda Electric Power Technology Co.,Ltd. Address before: 313000 Zhejiang city of Huzhou province Changxing County peaceful town of 11 Provincial Highway No. Seven Bridge Patentee before: ZHEJIANG YONGDA IRON TOWER CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20220107 |