CN210508615U - Power transformation framework - Google Patents
Power transformation framework Download PDFInfo
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- CN210508615U CN210508615U CN201920608072.2U CN201920608072U CN210508615U CN 210508615 U CN210508615 U CN 210508615U CN 201920608072 U CN201920608072 U CN 201920608072U CN 210508615 U CN210508615 U CN 210508615U
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Abstract
The application discloses a power transformation framework, which comprises a first supporting piece and a second supporting piece; the crossbeam, the crossbeam mount is established on first support piece and second support piece, and the crossbeam is upwards lifted in order to form the arch crossbeam gradually along the direction of keeping away from first support piece and second support piece. The power transformation framework that this application provided can utilize self domes to offset vertical sag, reduces the potential safety hazard.
Description
Technical Field
The application relates to the technical field of power transmission, in particular to a power transformation framework.
Background
With the rapid development of electric power utilities in China, a large number of transformer substations are built. In a substation, a substation framework plays roles in supporting power equipment, bearing tension of a lead and the like, and is one of main equipment in the substation. The power transformation framework generally includes a plurality of supports and a beam spanning between the supports.
The inventor of this application discovers in long-term research, the crossbeam among the current transformer framework is a style of calligraphy crossbeam usually, when having hung the wire, the crossbeam can produce vertical arc under the load of dead weight and wire, the crossbeam compares the crossbeam both ends more closely apart from ground except that the part at both ends promptly, thereby the wire that the crossbeam hung compares the crossbeam both ends more closely apart from ground, and then the wire that the crossbeam hung appears easily and unsatisfied design requirement's of distance apart from ground safe distance, there is the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transformer framework can utilize self structure to offset vertical sag, and then eliminates the potential safety hazard.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: there is provided a power transformation architecture comprising: a first support and a second support; the crossbeam, the crossbeam mount is established first support piece with on the second support piece, the crossbeam is along keeping away from first support piece with the direction of second support piece is upwards lifted gradually in order to form the arch crossbeam.
The first support piece and the second support piece are respectively arranged on the ground, and the height of the first support piece relative to the ground is the same as that of the second support piece relative to the ground; the cross beam comprises a first sub cross beam fixedly connected with the first supporting piece, a second sub cross beam fixedly connected with the second supporting piece and at least one middle sub cross beam fixedly connected with the first sub cross beam and the second sub cross beam; a first included angle is formed between the first sub-beam and the horizontal plane, a second included angle is formed between the second sub-beam and the horizontal plane, and the middle sub-beam is horizontally arranged.
The first support piece is provided with a first mounting surface which is far away from the ground and is horizontally arranged, the second support piece is provided with a second mounting surface which is far away from the ground and is horizontally arranged, the first sub-beam is fixed on the first mounting surface through a first adjusting plate, and the second sub-beam is fixed on the second mounting surface through a second adjusting plate; the thickness of the first adjusting plate gradually increases along the direction close to the middle sub-beam, and a third included angle between two plate surfaces of the first adjusting plate is equal to the first included angle; the thickness of the second adjusting plate gradually increases along the direction close to the middle sub-beam, and a fourth included angle between two plate surfaces of the second adjusting plate is equal to the second included angle.
A first flange is fixedly sleeved at one end part of the first sub-beam connected with the first supporting piece, the first supporting piece comprises a second flange, and the first adjusting plate is fixedly connected with the first flange and the second flange; the first adjusting plate, the first flange and the second flange are independent of each other, or the first adjusting plate and the first flange are integrally formed.
The first sub-beam, the second sub-beam and the middle sub-beam are all composite post insulators.
The beam is provided with a wire hanging part for hanging wires, the wire hanging part comprises a first wire hanging plate and a second wire hanging plate, the first wire hanging plate is fixedly arranged between the first sub-beam and the middle sub-beam, and the second wire hanging plate is fixedly arranged between the middle sub-beam and the second sub-beam; the thickness of the first hanging wire plate is close to the direction on the ground, the thickness of the second hanging wire plate is close to the direction on the ground, the fifth included angle between the two plate surfaces of the first hanging wire plate is gradually reduced, the size of the first included angle is equal to that of the first included angle, and the thickness of the second hanging wire plate is gradually reduced, the sixth included angle between the two plate surfaces of the second hanging wire plate is equal to that of the second included angle.
A third flange is fixedly sleeved at one end of the first sub-beam, which is fixedly connected with the middle sub-beam, a fourth flange is fixedly sleeved at one end of the middle sub-beam, which is fixedly connected with the first sub-beam, and the first wire hanging plate is fixedly connected with the third flange and the fourth flange; the first suspension plate, the third flange and the fourth flange are independent of each other, or the first suspension plate, the third flange and one of the fourth flanges are integrally formed.
The number of the middle sub-beams is two, and the two middle sub-beams are connected end to end; the wire hanging part comprises a third wire hanging plate, the third wire hanging plate is fixedly arranged between the middle sub-beams, and two plate surfaces of the third wire hanging plate are arranged in parallel.
Wherein the number of the middle sub-beams is one; the wire hanging part comprises a third wire hanging plate, and the third wire hanging plate is fixedly sleeved in the middle of the middle sub-beam.
And the size of the first included angle is equal to that of the second included angle.
Wherein a ratio of a maximum camber of the beam to a span of the beam ranges from one fifth to one third.
The beneficial effect of this application is: the crossbeam mount among this application transformer framework is established on first support piece and second support piece, and along the direction of keeping away from first support piece and second support piece upwards lifting gradually in order to form the arch crossbeam, thereby when the crossbeam has hung the wire, even the crossbeam produces vertical sag under the load of dead weight and wire, vertical sag also can be offset to the height that the crossbeam arched, make the height and the crossbeam both ends of hanging wire point be in the horizontality on the crossbeam, finally satisfy the standard requirement of hanging wire.
Simultaneously, a first sub-beam, a second sub-beam and a middle sub-beam which are included by the beam are all composite post insulators, a first wiring board connected with the first sub-beam and the middle sub-beam and a second wiring board connected with the second sub-beam and the middle sub-beam are directly used for hanging wires, strain insulator strings in a traditional power transformation framework are omitted, the height of the power transformation framework can be reduced, jumper sag is eliminated, and further potential safety hazards of wind deflection electricity jumping are eliminated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:
FIG. 1 is a schematic diagram of an embodiment of a power transformation architecture of the present application;
FIG. 2 is a simplified structural schematic diagram of the inverter architecture of FIG. 1;
FIG. 3 is a simplified structural schematic diagram of the first modulation plate of FIG. 2;
FIG. 4 is a simplified structural schematic of the second modulation plate of FIG. 2;
FIG. 5 is a schematic diagram of the exploded structure at A in FIG. 1;
FIG. 6 is a schematic diagram of the exploded structure at B in FIG. 1;
fig. 7 is a schematic structural diagram of the first suspension board in fig. 1;
figure 8 is a simplified structural schematic diagram of the first ceiling plate of figure 1;
figure 9 is a simplified structural schematic diagram of the second wire hanging plate of figure 1;
fig. 10 is a schematic diagram of the exploded structure at C in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 2, fig. 1 is a schematic structural diagram of an embodiment of a power transformation framework of the present application, and fig. 2 is a simplified structural diagram of the power transformation framework in fig. 1. The power transformation framework 1000 includes a first support 1100, a second support 1200, and a cross beam 1300.
The beam 1300 is fixed on the first support 1100 and the second support 1200 for hanging the wires, and the beam 1300 is gradually lifted upwards in a direction away from the first support 1100 and the second support 1200 to form an arched beam. Specifically, the beam 1300 is an arched beam, which means that the beam 1300 has a greater distance from the ground at both ends than at the other ends.
Because crossbeam 1300 is the arched crossbeam of hunch-up in this embodiment, consequently even crossbeam 1300 produces vertical sag after hanging the wire, vertical sag also can be offset to the height that crossbeam 1300 was hunched up, thereby make the height of hanging wire point on the crossbeam 1300 be in the horizontality with the both ends of crossbeam 1300, compare among the prior art compound crossbeam after installation and hanging wire under the condition that dead weight and wire load produced vertical sag, can increase the perpendicular distance on wire and ground, finally satisfy hanging wire standard requirement.
With reference to fig. 1 and fig. 2, in the present embodiment, the first supporting member 1100 and the second supporting member 1200 are respectively disposed on the ground, and the height of the first supporting member 1100 relative to the ground is the same as the height of the second supporting member 1200 relative to the ground, and since the fixing frame of the cross beam 1300 is disposed on the first supporting member 1100 and the second supporting member 1200, the heights of the two ends of the cross beam 1300 relative to the ground are also the same. Meanwhile, the beam 1300 includes a first sub-beam 1310, a middle sub-beam 1320, and a second sub-beam 1330 fixedly connected in sequence. The first sub-beam 1310 is fixedly connected to the first support 1100, the second sub-beam 1330 is fixedly connected to the second support 1200, and at least one middle sub-beam 1320 is provided for connecting the first sub-beam 1310 and the second sub-beam 1330. The first sub-beam 1310 and the horizontal plane form a first included angle 10, the second sub-beam 1330 and the horizontal plane form a second included angle 20, and the middle sub-beam 1320 is disposed horizontally. The number of the middle sub-beams 1320 is one or more, when the number of the middle sub-beams 1320 is one, one middle sub-beam 1320 is horizontally disposed and fixedly connected to the first sub-beam 1310 and the second sub-beam 1330, and when the number of the middle sub-beams 1320 is more, the middle sub-beams 1320 are horizontally disposed and fixedly connected to the first sub-beam 1310 and the second sub-beam 1330 after being connected end to end. In this embodiment, the beam 1300 is an arched beam that gradually rises upwards by providing a first angle 10 between the first sub-beam 1310 and the ground and a second angle 20 between the second sub-beam 1330 and the ground.
With continued reference to fig. 2 to 4, in the present embodiment, the first support 1100 is provided with a first mounting surface 1101 away from the ground and parallel to the horizontal plane, the second support 1200 is provided with a second mounting surface 1201 away from the ground and parallel to the horizontal plane, the first sub-beam 1310 is fixed on the first mounting surface 1101 by the first adjusting plate 1110, and the second sub-beam 1330 is fixed on the second mounting surface 1201 by the second adjusting plate 1210. The connection between the first adjustment plate 1110 and the first support 1100 and the connection between the second adjustment plate 1210 and the second support 1200 may be welding or bolting, which is not limited herein. Wherein the thickness of the first adjusting plate 1110 gradually increases along the direction close to the middle sub-cross beam 1320, and the third included angle 30 between the two plate surfaces is equal to the first included angle 10; the thickness of the second adjusting plate 1210 gradually increases along the direction close to the middle sub-cross member 1320, and the fourth included angle 40 between the two plate surfaces is equal to the second included angle 20. Specifically, by arranging the first adjustment plate 1110 and the second adjustment plate 1210 to have gradually increasing thicknesses in a direction approaching the middle sub-cross member 1320, the first sub-cross member 1310 and the second sub-cross member 1330 are gradually lifted upwards, and finally the cross member 1300 is integrally formed into an arched cross member. In an application scenario, the first adjustment plate 1110 may be a whole plate, or may include a plurality of sub-adjustment plates stacked in layers, for example, in the application scenario of fig. 3, the first adjustment plate 1110 includes a first sub-adjustment plate 1111 and a second sub-adjustment plate 1112 stacked in layers, a connection manner between the first sub-adjustment plate 1111 and the second sub-adjustment plate 1112 may be welding or bolting, and the second adjustment plate 1210 has a similar structure to the first adjustment plate 1110, which is not described herein again. It is worth noting wherein, set first regulating plate 1110/second regulating plate 1210 into including the sub-regulating plate of a plurality of range upon range of settings, be convenient for adjust the arch height of crossbeam 1300 in a flexible way, increase the margin of construction installation, specifically speaking, when the arch height of crossbeam 1300 needs to be increased in the installation, can increase the quantity of sub-regulating plate, increase first contained angle 10/second contained angle 20 promptly, when the arch height of crossbeam 1300 needs to be reduced, can reduce the quantity of sub-regulating plate, reduce first contained angle 10/second contained angle 20 promptly, thereby realize adjusting according to actual construction state is nimble, reduce the construction degree of difficulty.
Referring to fig. 1 and 5, in this embodiment, a first flange 1311 is fixedly sleeved on one end of the first sub-beam 1310 connected to the first support 1100, the first support 1100 includes a second flange 1120, the first adjustment plate 1110 is fixedly connected to the first flange 1311 and the second flange 1120, specifically, one of two plate surfaces of the first adjustment plate 1110 opposite to the first adjustment plate is attached to the first flange 1311, the other plate surface is attached to the second flange 1120, and one surface of the second flange 1120 attached to the first adjustment plate 1110 is the first mounting surface 1101. In one application scenario, the first adjustment plate 1110, the first flange 1311 and the second flange 1120 are independent from each other, and the connection manner between the first adjustment plate 1110 and the first flange 1311 is welding or bolt connection, in another application scenario, when the first adjustment plate 1110 is a whole plate, the first adjustment plate 1110 and the first flange 1311 are integrally formed, or the first adjustment plate 1110 and the second flange 1120 are integrally formed, that is, the first adjustment plate 1110 is integrated on the first flange 1311 or the second flange 1120, in another application scenario, when the first adjustment plate 1110 includes a plurality of sub-adjustment plates, a part of the sub-adjustment plates is integrally formed with the first flange 1311 and a part of the sub-adjustment plates is integrally formed with the second flange 1120, for example, in an application scenario of fig. 3, the first sub-adjustment plate 1111 is integrally formed with the first flange 1311, and the second sub-adjustment plate 1112 is integrally formed with the second flange 1120. It should be noted that, as shown in fig. 6, the connection manner between the second sub-beam 1330 and the second support 1200 is the same as the connection manner between the first sub-beam 1310 and the first support 1100, and the description thereof is omitted. It should be noted that the first adjustment plate 1110 and the first flange 1311 and/or the second flange 1120 are integrally formed, so that the number of elements in the power transformation frame 1000 and the number of joint surfaces between the elements in the power transformation frame 1000 can be reduced, the cross beam 1300 and the first support 1100 are prevented from being broken under a stress, and the connection strength between the cross beam 1300 and the first support 1100 is ensured.
In this embodiment, crossbeam 1300 is compound crossbeam, itself is insulating, first sub-crossbeam 1310, second sub-crossbeam 1330 and middle sub-crossbeam 1320 are composite post insulator, wherein it is worth noting, set crossbeam 1300 to compound crossbeam, can make crossbeam 1300 structure light on the one hand, easy to process, be convenient for practice thrift transformer framework 1000's transportation, equipment and maintenance cost, on the other hand can eliminate potential safety hazards such as pollution flashover, rain flashover through its excellent outer insulating properties, improve transformer framework 1000's safe operation level. Continuing to refer to fig. 1, the cross beam 1300 is provided with a wire hanging portion 1400 for hanging a wire, the wire hanging portion 1400 comprises a first wire hanging plate 1410 and a second wire hanging plate 1420, the first wire hanging plate 1410 is fixedly arranged between the first sub-cross beam 1310 and the middle sub-cross beam 1320, and the second wire hanging plate 1420 is fixedly arranged between the second sub-cross beam 1330 and the middle sub-cross beam 1320. Specifically, as shown in fig. 7, the first wire hanging plate 1410 includes a plurality of mounting holes 1411 for fixedly connecting the first sub-beam 1310 and the middle sub-beam 1320, and a plurality of wire hanging holes 1412 for connecting with a wire hanging fitting, in an application scenario, the number of the mounting holes 1411 is multiple, the plurality of mounting holes 1411 are circumferentially distributed around the through hole 1413, the number of the wire hanging holes 1412 is three, the three wire hanging holes 1412 are located on one side of the first wire hanging plate 1410 in a wave shape, and the second wire hanging plate 1420 is similar to the first wire hanging plate 1410 in structure. In this embodiment, because first sub-crossbeam 1310, second sub-crossbeam 1330 and middle sub-crossbeam 1320 are composite post insulator, consequently crossbeam 1300 utilizes the insulating properties of itself directly to use first wiring board 1410 and second wiring board 1420 to hang the wire, strain insulator string in the traditional power transformation framework has been cancelled, the jumper sag in the traditional power transformation framework has been eliminated promptly, the potential safety hazard of wind partial discharge can effectively be solved, also can reduce the height of power transformation framework 1000 simultaneously, and the material is saved, and the cost is reduced, and the operation and maintenance of being convenient for install.
Referring to fig. 2, 8 and 9, in the present embodiment, the thickness of the first wire hanging plate 1410 gradually decreases along the direction close to the ground, and the fifth included angle 50 between the two plate surfaces of the first wire hanging plate is equal to the first included angle 10, and the thickness of the second wire hanging plate 1420 gradually decreases along the direction close to the ground, and the sixth included angle 60 between the two plate surfaces of the second wire hanging plate is equal to the second included angle 20. Specifically, the first and second wire hanging plates 1410 and 1420 are used to horizontally arrange the middle sub-beam 1320 connecting the first and second sub-beams 1310 and 1330, so as to ensure the overall strength of the power transformation frame 1000.
Referring to fig. 1 and 10, fig. 10 is a schematic diagram of an exploded structure at C in fig. 1. A third flange 1312 is fixedly sleeved at one end of the first sub-beam 1310 fixedly connected with the middle sub-beam 1320, a fourth flange 1321 is fixedly sleeved at one end of the middle sub-beam 1320 fixedly connected with the first sub-beam 1310, and the first wire hanging plate 1410 is fixedly connected with the third flange 1312 and the fourth flange 1321. In one application scenario, the first suspension plate 1410, the third flange 1312 and the fourth flange 1321 are independent of each other, the connection manner between the first suspension plate 1410 and the third flange 1312 is welding or bolt connection, and in another application scenario, the first suspension plate 1410 and the fourth flange 1321 are integrally formed, that is, the first suspension plate 1410 is integrated on the third flange 1312 or the fourth flange 1321. It should be noted that the connection manner between the second sub-beam 1330 and the middle sub-beam 1320 is the same as the connection manner between the first sub-beam 1310 and the middle sub-beam 1320, and the description thereof is omitted.
In the present embodiment, the power transformation frame 1000 is a symmetrical frame in order to ensure uniform stress on the power transformation frame 1000. Specifically, the size of the first included angle 10 is equal to the size of the second included angle 20, and then the third included angle 30 between the two plate surfaces of the first adjusting plate 1110, the fourth included angle 40 between the two plate surfaces of the second adjusting plate 1210, the fifth included angle 50 between the two plate surfaces of the first wire hanging plate 1410, and the sixth included angle 60 between the two plate surfaces of the second wire hanging plate 1420 are equal to each other, but in other embodiments, the sizes of the first included angle 10 and the second included angle 20 may also be unequal, which is not limited herein.
With continued reference to fig. 2, in the present embodiment, the ratio of the maximum arch height H of the beam 1300 to the span L of the beam 1300 ranges from one-five to one-three percent, such as one-five, four, or three percent. Wherein, during the design, the size of the first included angle 10 and the second included angle 20 can be adjusted to make the ratio of the maximum arch height H to the span L within a preset range.
With continued reference to fig. 1, in the present embodiment, the number of the middle sub-beams 1320 is two, and the two middle sub-beams 1320 are connected end to end; the wire hanging portion 1400 further comprises a third wire hanging plate 1430 similar to the first wire hanging plate 1410 in structure, the third wire hanging plate 1430 is fixedly arranged between the two middle sub-beams 1320, and different from the first wire hanging plate 1410, two plate surfaces of the third wire hanging plate 1430 are arranged in parallel, namely, the thickness of the third wire hanging plate 1430 is uniform. The connection between the two middle sub-beams 1320 is the same as the connection between the first sub-beam 1310 and the middle sub-beam 1320, and is not described herein again. The wire hanging portion 1400 may further include more wire hanging plates in other embodiments, which is not limited herein. When the number of the middle sub-beams 1320 is one, the third wire hanging plate 1430 is fixedly sleeved in the middle of the middle sub-beams 1320, and the structure of the third wire hanging plate 1430 is not limited as long as it can hang wires.
In summary, the crossbeam mount in this application transformer framework is established on first support piece and second support piece, and upwards uplift gradually in the direction of keeping away from first support piece and second support piece in order to form the arch crossbeam to when the crossbeam has hung the wire, even the crossbeam produces vertical sag under the load of dead weight and wire, the vertical sag also can be offset to the height that the crossbeam arched, makes the string line point on the crossbeam flush with crossbeam both ends, finally satisfies string standard requirement.
Simultaneously, a first sub-beam, a second sub-beam and a middle sub-beam which are included by the beam are all composite post insulators, a first wiring board connected with the first sub-beam and the middle sub-beam and a second wiring board connected with the second sub-beam and the middle sub-beam are directly used for hanging wires, strain insulator strings in a traditional power transformation framework are omitted, the height of the power transformation framework can be reduced, jumper sag is eliminated, and further potential safety hazards of wind deflection electricity jumping are eliminated.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (11)
1. A power transformation architecture, comprising:
a first support and a second support;
the crossbeam, the crossbeam mount is established first support piece with on the second support piece, the crossbeam is along keeping away from first support piece with the direction of second support piece is upwards lifted gradually in order to form the arch crossbeam.
2. A transformation framework according to claim 1,
the first supporting piece and the second supporting piece are respectively arranged on the ground, and the height of the first supporting piece relative to the ground is the same as that of the second supporting piece relative to the ground;
the cross beam comprises a first sub cross beam fixedly connected with the first supporting piece, a second sub cross beam fixedly connected with the second supporting piece and at least one middle sub cross beam fixedly connected with the first sub cross beam and the second sub cross beam;
a first included angle is formed between the first sub-beam and the horizontal plane, a second included angle is formed between the second sub-beam and the horizontal plane, and the middle sub-beam is horizontally arranged.
3. A transformation framework according to claim 2,
the first support piece is provided with a first mounting surface which is far away from the ground and is horizontally arranged, the second support piece is provided with a second mounting surface which is far away from the ground and is horizontally arranged, the first sub-beam is fixed on the first mounting surface through a first adjusting plate, and the second sub-beam is fixed on the second mounting surface through a second adjusting plate;
the thickness of the first adjusting plate gradually increases along the direction close to the middle sub-beam, and a third included angle between two plate surfaces of the first adjusting plate is equal to the first included angle;
the thickness of the second adjusting plate gradually increases along the direction close to the middle sub-beam, and a fourth included angle between two plate surfaces of the second adjusting plate is equal to the second included angle.
4. A transformation framework according to claim 3,
a first flange is fixedly sleeved at one end part of the first sub-beam connected with the first supporting piece, the first supporting piece comprises a second flange, and the first adjusting plate is fixedly connected with the first flange and the second flange;
the first adjusting plate, the first flange and the second flange are independent of each other, or the first adjusting plate and the first flange are integrally formed.
5. A transformation framework according to claim 3,
the first sub-beam, the second sub-beam and the middle sub-beam are all composite post insulators.
6. A transformation framework according to claim 5,
the beam is provided with a wire hanging part for hanging wires, the wire hanging part comprises a first wire hanging plate and a second wire hanging plate, the first wire hanging plate is fixedly arranged between the first sub-beam and the middle sub-beam, and the second wire hanging plate is fixedly arranged between the middle sub-beam and the second sub-beam;
the thickness of the first hanging wire plate is close to the direction on the ground, the thickness of the second hanging wire plate is close to the direction on the ground, the fifth included angle between the two plate surfaces of the first hanging wire plate is gradually reduced, the size of the first included angle is equal to that of the first included angle, and the thickness of the second hanging wire plate is gradually reduced, the sixth included angle between the two plate surfaces of the second hanging wire plate is equal to that of the second included angle.
7. A transformation framework according to claim 6,
a third flange is fixedly sleeved at one end of the first sub-beam, which is fixedly connected with the middle sub-beam, a fourth flange is fixedly sleeved at one end of the middle sub-beam, which is fixedly connected with the first sub-beam, and the first wire hanging plate is fixedly connected with the third flange and the fourth flange;
the first suspension plate, the third flange and the fourth flange are independent of each other, or the first suspension plate, the third flange and one of the fourth flanges are integrally formed.
8. A transformation framework according to claim 6,
the number of the middle sub-beams is two, and the two middle sub-beams are connected end to end;
the wire hanging part comprises a third wire hanging plate, the third wire hanging plate is fixedly arranged between the middle sub-beams, and two plate surfaces of the third wire hanging plate are arranged in parallel.
9. A transformation framework according to claim 6,
the number of the middle sub-beams is one;
the wire hanging part comprises a third wire hanging plate, and the third wire hanging plate is fixedly sleeved in the middle of the middle sub-beam.
10. A transformation framework according to claim 2,
the size of the first included angle is equal to that of the second included angle.
11. A transformation framework according to claim 1,
the ratio of the maximum camber of the beam to the span of the beam ranges from one-fifth to one-third hundredth.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920608072.2U CN210508615U (en) | 2019-04-29 | 2019-04-29 | Power transformation framework |
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| CN201920608072.2U CN210508615U (en) | 2019-04-29 | 2019-04-29 | Power transformation framework |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159051A (en) * | 2019-04-29 | 2019-08-23 | 国网甘肃省电力公司建设分公司 | Substation framework |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159051A (en) * | 2019-04-29 | 2019-08-23 | 国网甘肃省电力公司建设分公司 | Substation framework |
| CN110159051B (en) * | 2019-04-29 | 2024-05-14 | 国网甘肃省电力公司建设分公司 | Power transformation framework |
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