CN217232982U - Four return circuit 10kV overhead line's tower of acting as go-between - Google Patents

Four return circuit 10kV overhead line's tower of acting as go-between Download PDF

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Publication number
CN217232982U
CN217232982U CN202220469948.1U CN202220469948U CN217232982U CN 217232982 U CN217232982 U CN 217232982U CN 202220469948 U CN202220469948 U CN 202220469948U CN 217232982 U CN217232982 U CN 217232982U
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China
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cross arm
tower
bracing
mobile jib
staple bolt
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CN202220469948.1U
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Chinese (zh)
Inventor
乔冠邦
罗金忠
袁有恩
尚国燕
贺昌文
杨斌
王振东
樊星
侯嘉庆
严肃
孙玉兴
都永忠
耿生珍
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Xining Ningguang Engineering Consultation Co ltd
PowerChina Qinghai Electric Power Engineering Co Ltd
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Xining Ningguang Engineering Consultation Co ltd
PowerChina Qinghai Electric Power Engineering Co Ltd
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Abstract

The utility model belongs to the technical field of transmission equipment, concretely relates to electric power tower, in particular to four return circuit 10kV overhead line's no shaft tower that acts as go-between, include the mobile jib that sets up with perpendicular to the ground, fixed the multiunit cross arm structure that sets up on the mobile jib top and set up the cat ladder on the mobile jib, the cross arm structure includes first cross arm, the second cross arm, the connecting rod, a plurality of bracing and bracing staple bolt are constituteed, first cross arm and second cross arm transversely are located the relative both sides of mobile jib and are parallel, connecting rod fixed connection is used with the second cross arm to first cross arm, the bracing staple bolt set up in first cross arm and second cross arm below and with mobile jib fixed connection, bracing of each fixed connection in first cross arm and second cross arm both ends, the bracing all with bracing staple bolt fixed connection, first cross arm, second cross arm and a plurality of bracing form two triangle structures. This application has the effect that can effectual reduction electric wire tower's acted as go-between.

Description

Four return circuit 10kV overhead line's tower of acting as go-between
Technical Field
The utility model belongs to the technical field of transmission equipment, concretely relates to electric power tower, in particular to four return circuits 10kV overhead line's no shaft tower that acts as go-between.
Background
With the acceleration of the urbanization process, various power facilities are built in each city in China, and the power facilities bring convenience to the daily life of people. At present, most domestic 10kV overhead lines adopt overhead insulated wires, and partial regional wires adopt steel-cored aluminum stranded wires. The existing urban 10kV lines are mostly erected on the same pole by adopting multi-loop steel pipe poles. Common power transmission lines comprise cable lines and overhead lines, the overhead lines are saved in investment compared with the cable lines, and operation, maintenance and repair are convenient, so that the common power transmission lines are advocated by people. Overhead line often adopts multiloop steel pipe pole to erect the mode with the pole, but the line that erects with the pole requires highly to the stability of shaft tower, just needs to act as go-between to the shaft tower in order to maintain the stability of shaft tower, but is limited in old city electric power corridor, so need reduce to use to the shaft tower and act as go-between, improve the stability of shaft tower itself.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the pull-wire-free tower of the four-loop 10kV overhead line adopts the following technical scheme:
a pole tower without stay wires of a four-loop 10kV overhead line, which comprises a main pole 1 which is arranged vertical to the ground, a plurality of groups of cross arm structures 2 which are fixedly arranged at the top end of the main pole, and a plurality of ladder stands 3 which are arranged on the main pole, the cross arm structure comprises a first cross arm 8, a second cross arm 9, a connecting rod 10, a plurality of inclined struts 4 and inclined strut hoops 5, wherein the first cross arm 8 and the second cross arm 9 are positioned on two opposite sides of the main rod 1 and are parallel, the first cross arm 8 and the second cross arm 9 are fixedly connected by the connecting rod 10, the diagonal bracing hoop 5 is arranged below the first cross arm 8 and the second cross arm 9 and is fixedly connected with the main rod 1, the utility model discloses a double-arm building structure, including first cross arm 8, second cross arm 9, bracing 4, first cross arm 8 and second cross arm 9 both ends respectively fixedly connected with, bracing 4 all with bracing staple bolt 5 fixed connection, first cross arm 8, second cross arm 9 and a plurality of bracing 4 form two triangle structure.
Through above-mentioned technical scheme, the symmetry installs multiunit cross arm structure on the mobile jib, and has connecting rod fixed connection between the cross arm, is equipped with bracing and bracing staple bolt fixed connection with it between cross arm and the mobile jib, and forms two triangle-shaped structures, and holistic symmetry setting and triangle-shaped's structure make the cross arm can improve its mechanical strength, and the mobile jib can be stable stand on ground, and the cable is accepted to the better, saves the assistance of a lot of external force.
Further, the main rod 1 is composed of at least two upright columns, and the adjacent upright columns are connected through flanges.
Through above-mentioned technical scheme, assemble into the mobile jib and through flange joint by the stand, can make the stand transportation and install more convenient, labour saving and time saving.
Further, the bracing staple bolt 5 includes first staple bolt 16 and second staple bolt 17, form the circle hoop after first staple bolt 16 and the closed second staple bolt 17, first staple bolt 16 and the fixed protruding portion 15 that is provided with in second staple bolt 17 both ends, pass through threaded connection between two relative protruding portions 15.
Through above-mentioned technical scheme, the mechanical strength after the cross arm is connected can be showing to the setting of bracing staple bolt, makes the cross arm more stable with being connected of main pole.
Furthermore, a stiffened plate is fixedly arranged at the joint of the protruding part 15 and the first anchor ear 16 or the second anchor ear 17.
Furthermore, a connecting block 18 protruding outwards is fixedly arranged between the first anchor ear 16 and the second anchor ear 17, and the inclined struts 4 are fixedly connected with the connecting block 18.
Through the technical scheme, the connecting block is arranged at the position where the first hoop and the second hoop are raised, so that the inclined strut can be better fixed on the main rod.
Through above-mentioned technical scheme, set up the stiffening plate in the outstanding connecting portion department of bracing staple bolt, make the connection of bracing staple bolt owner pole more firm, and then make the bracing of installing on the bracing more stable safety.
Further, the lower end of the main rod 1 is buried underground, a foundation layer 14 is arranged on the periphery of the main rod, and a secondary pouring layer 13 is arranged inside the foundation layer.
Through above-mentioned technical scheme, bury through pouring twice to the basic unit after the mobile jib is in the underground, can make the construction rapider, reduce construction cycle by a wide margin, treat that the basis can directly pole setting, stringing after reaching design strength, if meet the not good later stage of geological conditions and pour the concrete bearing platform again, the bearing platform can not be done in the place that the geological conditions is good.
Further, be equipped with a plurality of muscle poles 11 between first cross arm 8 and the second cross arm 9, muscle pole 11 all inclines to set up.
Through above-mentioned technical scheme, connect between first cross arm and second cross arm and add the muscle pole and can make the installation back violently more firm.
Further, a plurality of ladder stand hoops 7 are fixedly arranged on the main rod 1, and the ladder stand 3 is fixedly connected with the ladder stand hoops 7.
Through the technical scheme, the ladder stand is arranged on the main rod, so that the operation and maintenance personnel can conveniently carry out the pole-feeding operation, the maintenance of the upper pole is not laborious, and the probability of safety accident risks in the construction process is favorably reduced.
Further, first cross arm 8 and second cross arm 9 are all fixed towards mobile jib 1 one side and are provided with the angle steel 12 of crescent, the angle steel 12's of crescent crooked radian just laminates with mobile jib 1 adaptation with mobile jib 1.
Through above-mentioned technical scheme, install falcate angle steel additional and can make first cross arm and second violently with the better laminating of mobile jib, make first cross arm and second violently more firm with being connected of mobile jib.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the multi-group cross arm structures are symmetrically installed on the main rod, the cross arms are fixedly connected through the connecting rods, the inclined struts and the inclined strut hoops are fixedly connected with the cross arms and the main rod, a double-triangular structure is formed, and the main rod can stably stand on the ground through the overall symmetrical arrangement and the triangular structure.
2. After the main rod is buried underground, the construction period is greatly shortened by pouring the base layer twice, and the foundation can be directly erected and wired after reaching the design strength.
3. The overall cost is low, and the project investment is saved.
4. The fault-tolerant rate is high, can remove when basic position is wrong, avoids the waste of material. The engineering construction process is simple, and the installation and operation are simple and clear.
Drawings
FIG. 1 is a schematic structural diagram of a four-circuit 10kV overhead line tower without a stay wire;
FIG. 2 is a schematic structural diagram of a cross arm structure of a four-loop 10kV overhead line tower without a stay wire;
FIG. 3 is another schematic structural diagram of a cross arm structure of a four-loop 10kV overhead line tower without guy wires;
FIG. 4 is an assembly schematic diagram of a cross arm structure of a four-loop 10kV overhead line tower without guy wires;
fig. 5 is a cross-sectional view of a four-circuit 10kV overhead line with the main pole of a tower without a stay wire buried in the foundation.
Fig. 6 is a schematic view of a diagonal bracing hoop of a four-loop 10kV overhead line tower without a stay wire.
Wherein, 1, the main rod; 2. a cross arm structure; 3. climbing a ladder; 4. bracing; 5. an inclined strut hoop; 6. a flange plate; 7. a ladder climbing hoop; 8. a first cross arm; 9. a second cross arm; 10. a connecting rod; 11. a ribbed rod; 12. crescent angle steel; 13. secondary pouring of the layer; 14. a base layer; 15. a protrusion; 16. a first hoop; 17. a second hoop; 18. connecting blocks; 19. and (5) adding a rib plate.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is made in conjunction with the accompanying drawings and specific embodiments, and the following embodiments are only used for illustrating the present application and are not used to limit the scope of the present application.
Example 1
Referring to fig. 1, a four return circuit 10kV overhead line's no shaft tower that acts as go-between, include with the mobile jib 1 that perpendicular to the ground set up, fixed set up in the multiunit cross arm structure 2 on mobile jib top and set up cat ladder 3 on the mobile jib, the mobile jib comprises two stands, the stand adopts high-grade concrete prefabrication to form, two one ends that need the butt joint all are equipped with ring flange 6, pass through flange joint between two stands.
Referring to fig. 1 and 2, the cross arm structure 2 includes a first cross arm 8, a second cross arm 9, a connecting rod 10, a plurality of diagonal braces 4 and diagonal brace anchor ears 5, the first cross arm 8 and the second cross arm 9 are transversely located on two opposite sides of the main rod 1 and are parallel, the first cross arm 8 and the second cross arm 9 are fixedly connected by the connecting rod 10, the diagonal brace anchor ears 5 are arranged below the first cross arm 8 and the second cross arm 9 and are fixedly connected with the main rod 1, the diagonal braces 4 are respectively fixedly connected to two ends of the first cross arm 8 and the second cross arm 9, the diagonal braces 4 are fixedly connected with the diagonal brace anchor ears 5, and the first cross arm 8, the second cross arm 9 and the plurality of diagonal braces 4 form a double-triangle structure. In order to make between first cross arm 8 and the second cross arm 9 more firm, be equipped with a plurality of muscle poles 11 between first cross arm 8 and the second cross arm 9, add muscle pole 11 and form the contained angle between first cross arm 8 and the second cross arm 9, add muscle pole 11 and all slope the setting for first cross arm 8 and second cross arm 9.
In order to enable the cross arm structure 2 at the upper end of the main rod to be more stable with the main rod, the main rod 1 is connected through the inclined strut 4, the inclined strut hoop 5 is installed on the main rod, the two ends of the first hoop 16 and the second hoop 17 are both fixedly provided with protruding portions, and the two opposite protruding portions are connected through threads. In order to fix the diagonal brace 5 to the main rod 1 more closely, a stiffening plate 19 is fixed at the joint between the protrusion 15 of the diagonal brace 5 and the first anchor ear 16 or the second anchor ear 17. The first hoop 16 and the second hoop 17 of the diagonal brace hoop 5 form a circular hoop after being closed, a connecting block 18 protruding outwards is fixedly arranged in the middle of the first hoop 16 and the second hoop 17, and the diagonal brace 4 is fixedly connected with the connecting block 18.
Referring to fig. 1, for the convenience of staff's installation and maintenance shaft tower, can make appropriate adjustment to cat ladder bottom to ground distance between 2.0 ~ 2.5 meters, the cat ladder type passes through the cat ladder staple bolt and links to each other with the mobile jib pole body, then the cat ladder passes through connecting bolt and is connected with welded angle steel on the cat ladder staple bolt.
Example 2
Referring to fig. 1, a four-circuit 10kV overhead line's tower without stay wire includes a main rod 1 set perpendicular to the ground, a plurality of groups of cross arm structures 2 fixed on the top end of the main rod, and a ladder 3 set on the main rod, the main rod is composed of two columns, two ends to be butted are all provided with a flange 6, and the two columns are connected by flanges.
Referring to fig. 1 and 2, the cross arm structure 2 includes a first cross arm 8, a second cross arm 9, a connecting rod 10, a plurality of diagonal braces 4 and diagonal brace anchor ears 5, the first cross arm 8 and the second cross arm 9 are transversely located on two opposite sides of the main rod 1 and are parallel, the first cross arm 8 and the second cross arm 9 are fixedly connected by the connecting rod 10, the diagonal brace anchor ears 5 are arranged below the first cross arm 8 and the second cross arm 9 and are fixedly connected with the main rod 1, the diagonal braces 4 are respectively fixedly connected to two ends of the first cross arm 8 and the second cross arm 9, the diagonal braces 4 are fixedly connected with the diagonal brace anchor ears 5, and the first cross arm 8, the second cross arm 9 and the plurality of diagonal braces 4 form a double-triangle structure. In order to make between first cross arm 8 and the second cross arm 9 more firm, be equipped with a plurality of muscle poles 11 between first cross arm 8 and the second cross arm 9, form the contained angle between muscle pole 11 and first cross arm 8 and the second cross arm 9, muscle pole 11 all inclines to set up for first cross arm 8 and second cross arm 9.
In order to enable the cross arm structure 2 at the upper end of the main rod to be connected with the used diagonal brace 4 which is more stable with the main rod on the main rod 1, the diagonal brace hoop 5 is arranged, two ends of the first hoop 16 and the second hoop 17 are both fixedly provided with protruding parts, and the two opposite protruding parts 15 are connected through threads. A stiffening plate 19 is fixedly arranged at the joint of the protruding part 15 of the diagonal bracing hoop 5 and the first hoop 16 or the second hoop 17. The first hoop 16 and the second hoop 17 of the diagonal brace hoop 5 form a circular hoop after being closed, a connecting block 18 protruding outwards is fixedly arranged in the middle of the first hoop 16 and the second hoop 17, and the diagonal brace 4 is fixedly connected with the connecting block 18.
Referring to fig. 5, in order to enable the tower without the stay wire to be more stably buried underground, the bottom of the main rod 1 is buried in an underground foundation by adopting a manual excavation mode, after the foundation is excavated, the foundation layer 14 is firstly cast by concrete, and after the foundation is maintained to reach 70% of the concrete strength, the cement rod is inserted and then the layer 13 is cast for the second time.
Example 3
Referring to fig. 1, a four-circuit 10kV overhead line's tower without stay wire includes a main rod 1 set perpendicular to the ground, a plurality of groups of cross arm structures 2 fixed on the top end of the main rod, and a ladder 3 set on the main rod, the main rod is composed of two columns, two ends to be butted are all provided with a flange 6, and the two columns are connected by flanges.
Referring to fig. 1 and 2, the cross arm structure 2 includes a first cross arm 8, a second cross arm 9, a connecting rod 10, a plurality of braces 4 and a brace hoop 5, the first cross arm 8 and the second cross arm 9 are transversely located on two opposite sides of the main rod 1 and are parallel, the first cross arm 8 and the second cross arm 9 are fixedly connected by the connecting rod 10, the brace hoop 5 is arranged below the first cross arm 8 and the second cross arm 9 and is fixedly connected with the main rod 1, the two ends of the first cross arm 8 and the second cross arm 9 are respectively fixedly connected with a brace 4, the braces 4 are respectively fixedly connected with the brace hoop 5, and the first cross arm 8, the second cross arm 9 and the plurality of braces 4 form a double-triangle structure. In order to make between first cross arm 8 and the second cross arm 9 more firm, be equipped with a plurality of muscle poles 11 between first cross arm 8 and the second cross arm 9, add muscle pole 11 and form the contained angle between first cross arm 8 and the second cross arm 9, add muscle pole 11 and all slope the setting for first cross arm 8 and second cross arm 9.
In order to enable the cross arm structure 2 at the upper end of the main rod to be connected with the used diagonal brace 4 which is more stable with the main rod on the main rod 1, the diagonal brace hoop 5 is arranged, two ends of the first hoop 16 and the second hoop 17 are both fixedly provided with protruding parts, and the two opposite protruding parts 15 are connected through threads. And a stiffening plate 19 is fixedly arranged at the joint of the protruding part 15 of the diagonal bracing hoop 5 and the first hoop 16 or the second hoop 17. The first hoop 16 and the second hoop 17 of the diagonal bracing hoop 5 form a circular hoop after being closed, a connecting block 18 protruding outwards is fixedly arranged in the middle of the first hoop 16 and the second hoop 17, and the diagonal bracing 4 is fixedly connected with the connecting block 18.
Referring to fig. 4, in order to enable better fixation between the cross arm and the main pole, meniscus angle steel 12 is fixedly provided on both sides of the first cross arm 8 and the second cross arm 9 facing the main pole 1, and the curvature of the angle steel is adapted to the main pole 1 and is attached to the main pole 1.
Referring to fig. 2 and 3, the cross arm structures 2 on the main rod 1 can be sequentially and staggeredly installed with a plurality of groups of cross arm structures 2 with different lengths according to actual needs, and can be connected with a plurality of connecting rods on the same group of cross rods 1 according to actual needs, so as to accept cables on the connecting rods.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a four return circuit 10kV overhead line's no tower that acts as go-between, includes mobile jib (1) that sets up with perpendicular to the ground, fixed the multiunit cross arm structure (2) that set up on mobile jib (1) top and set up cat ladder (3) on mobile jib (1), its characterized in that: cross arm structure (2) include first cross arm (8), second cross arm (9), connecting rod (10), a plurality of bracing (4) and bracing staple bolt (5), and first cross arm (8) transversely are located mobile jib (1) relative both sides and parallel with second cross arm (9), first cross arm (8) and second cross arm (9) are used connecting rod (10) are connected, bracing staple bolt (5) set up in first cross arm (8) and second cross arm (9) below and with mobile jib (1) fixed connection, each fixedly connected with bracing (4) in first cross arm (8) and second cross arm (9) both ends, bracing (4) all with bracing staple bolt (5) fixed connection, first cross arm (8), second cross arm (9) and a plurality of bracing (4) form two triangle structure.
2. The tower of claim 1, wherein the tower is a four-circuit 10kV overhead line and comprises: the main rod (1) is composed of at least two upright columns, and the adjacent upright columns are connected through flanges.
3. The tower of claim 1, wherein the tower is a four-circuit 10kV overhead line and comprises: bracing staple bolt (5) include first staple bolt (16) and second staple bolt (17), form the circle hoop after first staple bolt (16) and second staple bolt (17) are closed, first staple bolt (16) and second staple bolt (17) both ends are all fixed and are provided with protruding portion (15), pass through threaded connection between two relative protruding portions (15).
4. The tower of claim 3, wherein the tower is a four-circuit 10kV overhead line and comprises: and a stiffened plate (19) is fixedly arranged at the joint of the protruding part (15) and the first anchor ear (16) or the second anchor ear (17).
5. The tower of claim 3, wherein the tower is a four-circuit 10kV overhead line and comprises: and a connecting block (18) protruding outwards is fixedly arranged in the middle of the first anchor ear (16) and the second anchor ear (17), and the inclined struts (4) are fixedly connected with the connecting block (18).
6. The tower without the pull wire of the four-loop 10kV overhead line according to claim 1, characterized in that: the lower end of the main rod (1) is buried underground, a foundation layer (14) is arranged on the periphery of the main rod (1), and a secondary pouring layer (13) is arranged inside the foundation layer (14).
7. The tower of claim 1, wherein the tower is a four-circuit 10kV overhead line and comprises: be equipped with a plurality of muscle poles (11) that add between first cross arm (8) and second cross arm (9), it all inclines to set up to add muscle pole (11).
8. The tower of claim 1, wherein the tower is a four-circuit 10kV overhead line and comprises: the ladder stand is characterized in that a plurality of ladder stand hoops (7) are fixedly arranged on the main rod (1), and the ladder stand (3) is fixedly connected with the ladder stand hoops (7).
9. The tower of claim 1, wherein the tower is a four-circuit 10kV overhead line and comprises: first cross arm (8) and second cross arm (9) are all fixed being provided with falcate angle steel (12) towards mobile jib (1) one side, the crooked radian and mobile jib (1) adaptation of falcate angle steel (12) just laminate with mobile jib (1).
CN202220469948.1U 2022-06-13 2022-06-13 Four return circuit 10kV overhead line's tower of acting as go-between Active CN217232982U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220469948.1U CN217232982U (en) 2022-06-13 2022-06-13 Four return circuit 10kV overhead line's tower of acting as go-between

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220469948.1U CN217232982U (en) 2022-06-13 2022-06-13 Four return circuit 10kV overhead line's tower of acting as go-between

Publications (1)

Publication Number Publication Date
CN217232982U true CN217232982U (en) 2022-08-19

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