A kind of 1000kV/500kV strain insulator steel tube tower
Technical field
The utility model relates to power transmission and transformation system corollary equipment technical field, particularly a kind of 1000kV/500kV strain insulator steel tube tower.
Background technology
In power transmission and transformation system, strain insulator steel tube tower is a kind of very common super, extra high voltage line support and connection equipment, and along with the improving constantly of work requirements, the functional performance of strain insulator steel tube tower also receives people's concern day by day.
In current existing power transmission system, the power transmission line of 1000kV and the power transmission line of 500kV are that the mode that adopts minute pylon to establish realizes, although can meeting basic electric power, the mode of movement that this kind minute pylon is established carries needs, but the floor space required due to its many complete equipments is larger, caused the waste of land resources, and the impact on surrounding environment is larger, cause inconvenience to relevant productive life and urban planning.
Therefore wiring on the same tower, how to realize 1000kV circuit and 500kV circuit is the important technological problems that those skilled in the art need to solve at present.
Utility model content
The purpose of this utility model is to provide a kind of 1000kV/500kV strain insulator steel tube tower, and this strain insulator steel tube tower can be realized the wiring on the same tower of 1000kV circuit and 500kV circuit.
For solving the problems of the technologies described above, the utility model provides a kind of 1000kV/500kV strain insulator steel tube tower, comprise the tower body vertically arranging, on described tower body, be vertically disposed with the first wire cross-arm, the second wire cross-arm, privates cross-arm, privates cross-arm and the 5th wire cross-arm from top to bottom;
The below of described the first wire cross-arm is connected with first wire suspension device suitable with 1000kV upper conductor circuit, the below of described the second wire cross-arm be connected with 1000kV in suitable the second wire suspension device of wire line, the below of described privates cross-arm is connected with the privates suspension arrangement suitable with 1000kV lower wire circuit, the below of described privates cross-arm is connected with the privates suspension arrangement suitable with 500kV upper conductor circuit, the below of described the 5th wire cross-arm is connected with five wire suspension device suitable with 500kV lower wire circuit,
The top of described the first wire cross-arm is provided with ground wire cross-arm, and the both ends of described ground wire cross-arm are provided with respectively the ground wire suspension arrangement suitable with ground wire circuit.
Preferably, the horizontal length of described privates cross-arm is greater than the horizontal length of described the 5th wire cross-arm.
Preferably, described the first wire suspension device, described the second wire suspension device, described privates suspension arrangement, described privates suspension arrangement, described the 5th wire suspension device are double hanging point wire suspension device.
Preferably, described tower body cross section is in the horizontal direction square.
Preferably, described tower body is any in Q235B steel pipe tower body, Q345B steel pipe tower body, Q420B steel pipe tower body.
Preferably, described ground wire cross-arm, described the first wire cross-arm, described the second wire cross-arm, described privates cross-arm, described privates cross-arm and described the 5th wire cross-arm are any in Q235B angle cross arm, Q345B angle cross arm, Q420B angle cross arm.
Relative above-mentioned background technology, 1000kV/500kV strain insulator steel tube tower provided by the utility model, comprise the tower body vertically arranging, on described tower body, be vertically disposed with the first wire cross-arm, the second wire cross-arm, privates cross-arm, privates cross-arm and the 5th wire cross-arm from top to bottom, the below of described the first wire cross-arm is connected with first wire suspension device suitable with 1000kV upper conductor circuit, the below of described the second wire cross-arm be connected with 1000kV in suitable the second wire suspension device of wire line, the below of described privates cross-arm is connected with the privates suspension arrangement suitable with 1000kV lower wire circuit, the below of described privates cross-arm is connected with the privates suspension arrangement suitable with 500kV upper conductor circuit, the below of described the 5th wire cross-arm is connected with five wire suspension device suitable with 500kV lower wire circuit, the top of described the first wire cross-arm is provided with ground wire cross-arm, and the both ends of described ground wire cross-arm are provided with respectively the ground wire suspension arrangement suitable with ground wire circuit.In the course of work, described the first wire cross-arm, described the second wire cross-arm and described privates cross-arm can be realized setting up 1000kV circuit by described the first wire suspension device, described the second wire suspension device and described privates suspension arrangement; Simultaneously, described privates cross-arm and described the 5th wire cross-arm can be realized setting up 500kV circuit by described privates suspension arrangement and described the 5th wire suspension device, thereby make described 1000kV/500kV strain insulator steel tube tower realize the wiring on the same tower of 1000kV circuit and 500kV circuit simultaneously, avoided minute pylon to establish the floor space causing excessive, effectively save land resources, and made power transmission line on the corresponding reduction of the impact of surrounding environment.
In another preferred version of the present utility model, the horizontal length of described privates cross-arm is greater than the horizontal length of described the 5th wire cross-arm.This kind of structure can guarantee to be all arranged on cross-arm with the wire suspension device of 500kV circuit adaptation, effectively shortened the longitudinal pitch between described privates cross-arm and described the 5th wire cross-arm simultaneously, thereby make the corresponding reduction of whole height of the tower body part of described 1000kV/500kV strain insulator steel tube tower, make the corresponding minimizing of whole manufacturing cost of described 1000kV/500kV strain insulator steel tube tower.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment 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 embodiment more of the present utility model, 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.
The assembly structure schematic diagram of the 1000kV/500kV strain insulator steel tube tower that Fig. 1 provides for a kind of specific embodiment of the utility model.
The specific embodiment
Core of the present utility model is to provide a kind of 1000kV/500kV strain insulator steel tube tower, and this strain insulator steel tube tower can be realized the wiring on the same tower of 1000kV circuit and 500kV circuit.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, the assembly structure schematic diagram of the 1000kV/500kV strain insulator steel tube tower that Fig. 1 provides for a kind of specific embodiment of the utility model.
In the specific embodiment, 1000kV/500kV strain insulator steel tube tower provided by the utility model, comprise the tower body 11 vertically arranging, on tower body 11, be vertically disposed with the first wire cross-arm 21, the second wire cross-arm 22, privates cross-arm 23, privates cross-arm 24 and the 5th wire cross-arm 25 from top to bottom, the below of the first wire cross-arm 21 is connected with first wire suspension device 211 suitable with 1000kV upper conductor circuit, the below of the second wire cross-arm 22 be connected with 1000kV in suitable the second wire suspension device 221 of wire line, the below of privates cross-arm 23 is connected with the privates suspension arrangement 231 suitable with 1000kV lower wire circuit, the below of privates cross-arm 24 is connected with the privates suspension arrangement 241 suitable with 500kV upper conductor circuit, the below of the 5th wire cross-arm 25 is connected with five wire suspension device 251 suitable with 500kV lower wire circuit, the top of the first wire cross-arm 21 is provided with ground wire cross-arm 26, and the both ends of ground wire cross-arm 26 are provided with respectively the ground wire suspension arrangement 261 suitable with ground wire circuit.In the course of work, the first wire cross-arm 21, the second wire cross-arm 22 and privates cross-arm 23 can be realized setting up 1000kV circuit by the first wire suspension device 211, the second wire suspension device 221 and privates suspension arrangement 231; Simultaneously, privates cross-arm 24 and the 5th wire cross-arm 25 can be realized setting up 500kV circuit by privates suspension arrangement 241 and the 5th wire suspension device 251, thereby make described 1000kV/500kV strain insulator steel tube tower realize the wiring on the same tower of 1000kV circuit and 500kV circuit simultaneously, avoided minute pylon to establish the floor space causing excessive, effectively save land resources, and made power transmission line on the corresponding reduction of the impact of surrounding environment.
Further, the horizontal length of privates cross-arm 24 is greater than the horizontal length of the 5th wire cross-arm 25.This kind of structure can guarantee to be all arranged on cross-arm with the wire suspension device of 500kV circuit adaptation, effectively shortened the longitudinal pitch of 25 of privates cross-arm 24 and the 5th wire cross-arms simultaneously, thereby make the corresponding reduction of whole height of the tower body part of described 1000kV/500kV strain insulator steel tube tower, make the corresponding minimizing of whole manufacturing cost of described 1000kV/500kV strain insulator steel tube tower.
On the other hand, the first wire suspension device 211, the second wire suspension device 221, privates suspension arrangement 231, privates suspension arrangement 241, the 5th wire suspension device 251 are double hanging point wire suspension device.The structure of this kind of double hanging point wire suspension device is comparatively reliable and stable, thereby makes whole construction of line stability and the reliability of described 1000kV/500kV strain insulator steel tube tower be able to corresponding raising.
In addition, tower body 11 cross section is in the horizontal direction square.This kind of foursquare cross-sectional structure can effectively improve the longitudinal tension force resistivity of tower body 11, thereby makes the overall construction intensity of described 1000kV/500kV strain insulator steel tube tower be able to corresponding raising.
In addition, tower body 11 is any in Q235B steel pipe tower body, Q345B steel pipe tower body, Q420B steel pipe tower body.Certainly, this tower body 11 is not limited to Q235B steel pipe tower body mentioned above, Q345B steel pipe tower body, Q420B steel pipe tower body, so long as can meet the actual use needs of described 1000kV/500kV strain insulator steel tube tower, all can.
More specifically, ground wire cross-arm 26, the first wire cross-arm 21, the second wire cross-arm 22, privates cross-arm 23, privates cross-arm 24 and the 5th wire cross-arm 25 are any in Q235B angle cross arm, Q345B angle cross arm, Q420B angle cross arm.Certainly, this the first wire cross-arm 21, the second wire cross-arm 22, privates cross-arm 23, privates cross-arm 24 and the 5th wire cross-arm 25 are not limited to Q235B angle cross arm mentioned above, Q345B angle cross arm, Q420B angle cross arm, so long as can meet the actual use needs of described 1000kV/500kV strain insulator steel tube tower, all can.
In summary, the 1000kV/500kV strain insulator steel tube tower providing in the utility model, comprise the tower body vertically arranging, on described tower body, be vertically disposed with the first wire cross-arm, the second wire cross-arm, privates cross-arm, privates cross-arm and the 5th wire cross-arm from top to bottom, the below of described the first wire cross-arm is connected with first wire suspension device suitable with 1000kV upper conductor circuit, the below of described the second wire cross-arm be connected with 1000kV in suitable the second wire suspension device of wire line, the below of described privates cross-arm is connected with the privates suspension arrangement suitable with 1000kV lower wire circuit, the below of described privates cross-arm is connected with the privates suspension arrangement suitable with 500kV upper conductor circuit, the below of described the 5th wire cross-arm is connected with five wire suspension device suitable with 500kV lower wire circuit, the top of described the first wire cross-arm is provided with ground wire cross-arm, and the both ends of described ground wire cross-arm are provided with respectively the ground wire suspension arrangement suitable with ground wire circuit.In the course of work, described the first wire cross-arm, described the second wire cross-arm and described privates cross-arm can be realized setting up 1000kV circuit by described the first wire suspension device, described the second wire suspension device and described privates suspension arrangement; Simultaneously, described privates cross-arm and described the 5th wire cross-arm can be realized setting up 500kV circuit by described privates suspension arrangement and described the 5th wire suspension device, thereby make described 1000kV/500kV strain insulator steel tube tower realize the wiring on the same tower of 1000kV circuit and 500kV circuit simultaneously, avoided minute pylon to establish the floor space causing excessive, effectively save land resources, and made power transmission line on the corresponding reduction of the impact of surrounding environment.
Above 1000kV/500kV strain insulator steel tube tower provided by the utility model is described in detail.Applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.