CN219852810U - Integral welding cantilever supporting device for electrified railway - Google Patents
Integral welding cantilever supporting device for electrified railway Download PDFInfo
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- CN219852810U CN219852810U CN202321045135.0U CN202321045135U CN219852810U CN 219852810 U CN219852810 U CN 219852810U CN 202321045135 U CN202321045135 U CN 202321045135U CN 219852810 U CN219852810 U CN 219852810U
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- bolt
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- arm
- cantilever
- flat
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- 238000003466 welding Methods 0.000 title claims abstract description 18
- 210000000707 wrist Anatomy 0.000 claims abstract description 55
- 239000012212 insulator Substances 0.000 claims abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 9
- 229910000838 Al alloy Inorganic materials 0.000 description 14
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Abstract
The utility model relates to an integral welding cantilever support device for an electrified railway, which comprises a flat cantilever, an inclined cantilever, a carrier cable seat, a locator support and a locator, wherein the flat cantilever is arranged on the inclined cantilever; one end of the flat wrist arm is provided with a bent arm pipe and a carrier cable seat; one end of the bent arm pipe is connected with the flat wrist arm, and the other end of the bent arm pipe is connected with the inclined wrist arm; one end of the inclined cantilever is connected with the flat cantilever and the bent cantilever pipe; the bent arm pipe is provided with a locator support, and the locator support is provided with a locator; a supporting tube is arranged between the inclined wrist arm and the flat wrist arm; the flat wrist arm, the inclined wrist arm, the wrist arm pipe and the supporting pipe are of an integrated structure through welding; the other ends of the flat wrist arm and the inclined wrist arm are respectively provided with a connecting base and a rod insulator. The integral structure reduces connecting pieces and the connection is more reliable; the bearing rope seat can be adjusted according to actual conditions by arranging a plurality of adjusting holes, so that the application range is wider; the bearing cable seat, the locator are positioned through the positioning sleeve and the positioning wire clamp through the bolt positioning pin, so that the bolt is prevented from loosening, the maintenance workload is reduced, and the maintenance cost is reduced.
Description
Technical Field
The utility model relates to the technical field of electrified rail transit, in particular to an integral welding cantilever supporting device for an electrified railway.
Background
At present, the aluminum alloy cantilever device is one of main structural types of the cantilever device of the electrified railway contact net in China, and has the characteristics of attractive appearance, light weight and the like; the structure of the aluminum alloy cantilever device consists of a plurality of parts such as an aluminum alloy carrier cable seat, an aluminum alloy flat cantilever, an aluminum alloy inclined cantilever, an aluminum alloy sleeve seat, an aluminum alloy cantilever support, an aluminum alloy sleeve single-double lug, an aluminum alloy positioning ring, an aluminum alloy positioning pipe, an aluminum alloy positioning support, a positioning device and the like, wherein each part is connected through a bolt, and the anti-loosening measure of the connection of the bolt and a nut is that the nut of the backrest is fastened and loosened, so that the locking method has large nut consumption, easy loosening, frequent screwing maintenance and large maintenance workload; in addition, in the aluminum alloy arm device, excessive bolt connection fastening force can bring great internal stress to the aluminum alloy part body, and long-term high-frequency vibration can cause the risk of cracking of the aluminum alloy part in the use process, so that great trouble is brought to the inspection and replacement of maintenance work.
Disclosure of Invention
The utility model provides an integral welding cantilever support device for an electrified railway, which has an integrated structure of a flat cantilever, an inclined cantilever, a bent cantilever pipe and a support pipe, reduces connecting pieces and is more reliable in connection; the flat wrist arm is provided with a plurality of adjusting holes, so that the carrier cable seat can be adjusted according to actual conditions, and the application range is wider; the carrier cable seat, the locator are positioned through the positioning sleeve and the positioning wire clamp through the bolt positioning pin, so that the bolt or the nut is prevented from loosening, the maintenance workload is reduced, and the maintenance cost is reduced.
In order to solve the problems in the background art, the utility model is realized by the following technical scheme:
an integral welding cantilever support device for an electrified railway comprises a flat cantilever, an inclined cantilever, a carrier cable seat, a locator support and a locator; one end of the flat wrist arm is provided with a bent arm pipe and a carrier cable seat; one end of the bent arm pipe is connected with the flat wrist arm, and the other end of the bent arm pipe is connected with the inclined wrist arm; one end of the inclined cantilever is connected with the flat cantilever and the bent arm pipe; the bent arm pipe is provided with the locator support, and the locator support is provided with the locator; a supporting tube is arranged between the inclined wrist arms and the flat wrist arms; the flat wrist arm, the inclined wrist arm, the wrist arm pipe and the supporting pipe are of an integrated structure through welding; the other end of the flat cantilever and the other end of the inclined cantilever are respectively provided with a connecting base and a rod insulator.
Preferably, the carrier cable seat is connected with the wrist rest through a positioning ring; the flat wrist arm is provided with a plurality of adjusting holes; the bolt A passes through the positioning ring and the adjusting hole to connect the carrier cable seat with the wrist arm, the bolt A is positioned by the bolt positioning pin A, and the root of the bolt A is of a circular structure.
Preferably, the adjusting hole is provided with a rubber protective cap.
Preferably, the upper end of the locator support is connected with the bent arm pipe, and the lower end of the locator support is connected with the locator; the upper end of the locator support is provided with a hinge hoop, and the hinge hoop is connected with the bent arm pipe.
Preferably, the hinge anchor ear comprises a fixed page and an open hinge, and the fixed page is fixedly connected with the locator support; the fixed page is equipped with the circular fixed orifices, the page or leaf that opens and shuts is equipped with square fixed orifices, the bent arm pipe is located open the hinge with between the fixed page or leaf, open the hinge with the fixed page or leaf passes through bolt B fixed connection, bolt B fixes a position through bolt locating pin B, bolt B root is square structure.
Preferably, one end of the locator is connected with the locator support through a bolt C, the bolt C is positioned through a bolt positioning pin C, and the root of the bolt C is of a circular structure; the other end of the positioner is provided with a positioning wire clamp, the positioning wire clamp is connected with the positioner through a bolt D, the bolt D is positioned through a bolt positioning pin D, and the root of the bolt D is of a circular structure; the lower end of the positioning wire clamp is connected with the wire.
Preferably, a positioning sleeve is arranged at the upper end of the positioning wire clamp, the positioning sleeve is connected with the positioning wire clamp in a matched manner through a bolt E and a slotted nut, the bolt E and the slotted nut are positioned through a bolt positioning pin, and the root of the bolt E is of a round structure.
Preferably, the positioner is a spring type positioner.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. the flat wrist arm, the inclined wrist arm, the bent arm pipe and the supporting pipe are of an integrated structure, so that the simultaneous connection of connecting pieces is reduced and the connection is more reliable;
2. the flat wrist arm is provided with a plurality of adjusting holes, so that the carrier cable seat can be adjusted according to actual conditions, and the application range is wider;
3. the carrier cable seat and the locator are positioned through the positioning sleeve and the positioning wire clamp by the bolt positioning pin, so that the bolt or the nut is prevented from loosening, the maintenance workload is reduced, and the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic view of a carrier cable mount according to the present utility model;
FIG. 3 is a schematic view of the structure of the positioner bracket of the present utility model;
FIG. 4 is a schematic view of a positioner according to the present utility model;
FIG. 5 is a second schematic diagram of the structure of the present utility model;
description of the reference numerals
1. A wrist arm; 101. an adjustment aperture; 2. an inclined wrist arm; 3. a carrier cable seat; 31. a positioning ring; 32. a bolt A; 33. a bolt locating pin A; 4. a locator support; 5. a bent arm pipe; 6. a support tube; 7. the base is connected; 8. a rod insulator; 9. a positioner; 91. a bolt C; 92. a bolt locating pin C; 10. hinge anchor ear; 102. a fixed page; 103. opening a hinge; 104. a bolt B; 105. a bolt locating pin B; 11. positioning a wire clamp; 111. a bolt D; 112. a bolt locating pin D; 12. and positioning the sleeve.
Detailed Description
The integral welding cantilever supporting device for the electrified railway comprises a flat cantilever 1, an inclined cantilever 2, a carrier cable seat 3, a locator support 4 and a locator 9, wherein the carrier cable seat 3 is arranged on the flat cantilever; one end of the flat wrist arm 1 is provided with a bent arm pipe 5 and a carrier cable seat 3; one end of a bent arm pipe 5 is connected with the flat wrist arm 1, and the other end of the bent arm pipe 5 is connected with the inclined wrist arm 2; one end of the inclined cantilever 2 is connected with the flat cantilever 1 and the bent arm pipe 5; the bent arm pipe 5 is provided with a locator support 4, and the locator support 4 is provided with a locator 9; a supporting tube 6 is arranged between the inclined wrist arm 2 and the flat wrist arm 1; the flat wrist arm 1, the inclined wrist arm 2, the bent arm pipe 5 and the supporting pipe 6 are of an integrated structure through welding; the other ends of the flat cantilever 1 and the inclined cantilever 2 are respectively provided with a connecting base 7 and a rod insulator 8. The flat wrist arm 1, the inclined wrist arm 2, the bent arm pipe 5 and the supporting pipe 6 are of an integrated structure formed by welding, so that the connection is more reliable while the connecting pieces are reduced. The flat arm 1 is connected with the bent arm pipe 5, and the inclined arm 2 is integrally welded at a position below the carrier cable seat 3. Therefore, the structure improves the whole stress structure of the wrist, effectively increases the whole rigidity of the wrist device, ensures that the wrist device has high reliability in the environment of extra-large wind load, and simultaneously reduces the risk brought by connecting multiple parts.
The carrier cable seat 3 is connected with the wrist arm 1 through a positioning ring 31; the wrist flat arm 1 is provided with a plurality of adjusting holes 101; the bolt A32 passes through the positioning ring 31 and the adjusting hole 101 to connect the carrier cable seat 3 with the wrist arm 1, the bolt A32 is positioned by the bolt positioning pin A33, and the root of the bolt A32 is of a circular structure.
The adjustment hole 101 is provided with a rubber protection cap. A rubber protective cap is arranged to protect the adjusting hole 101 and prevent sundries from entering the adjusting hole 101 to form blockage.
The upper end of the locator support 4 is connected with the bent arm pipe 5, and the lower end of the locator support 4 is connected with the locator 9; the upper end of the locator support 4 is provided with a hinge hoop 10, and the hinge hoop 10 is connected with the bent arm pipe 5.
The hinge hoop 10 comprises a fixed page 102 and an opening and closing page 103, and the fixed page 102 is fixedly connected with the locator support 4; the fixed page 102 is equipped with the circular fixed orifices, and the page 103 that opens and shuts is equipped with square fixed orifices, and bent pipe 5 is located between opening hinge 103 and the fixed page 102, and opening and shutting page 103 and fixed page 102 pass through bolt B104 fixed connection, and bolt B104 is fixed a position through bolt locating pin B105, and bolt B104 root is square structure. The mounting hole of the open hinge 103 is square, the root of the bolt B104 is square, the bolt B104 penetrates into the square fixing hole of the open hinge 103 to be clamped and not rotate, and the purpose that a person can conveniently fasten the bolt by using a wrench is achieved, and the screw is maintenance-free.
One end of the locator 9 is connected with the locator support 4 through a bolt C91, the bolt C91 is positioned through a bolt positioning pin C92, and the root of the bolt C91 is of a circular structure; the other end of the positioner 9 is provided with a positioning wire clamp 11, the positioning wire clamp 11 is connected with the positioner 9 through a bolt D111, the bolt D111 is positioned through a bolt positioning pin D112, and the root of the bolt D111 is of a circular structure; the lower end of the positioning wire clamp 11 is connected with a wire.
The upper end of the positioning wire clamp 11 is provided with a positioning sleeve 12, the positioning sleeve 12 is connected with the positioning wire clamp 11 in a matched manner through a bolt E and a slotted nut, the bolt E and the slotted nut are positioned through a bolt positioning pin, and the root of the bolt E is of a circular structure.
The retainer 9 is a spring retainer. The locator 9 is a spring type locator, so that vibration energy of a wire can be well absorbed, positive pressure of the locator 9 to the wire is reduced, hard points at the locating position are reduced, and stability of a locating system is good. In addition, the spring type positioner can prevent the contact line from falling off under the condition of system fault, and reduce line accidents.
According to the field application condition, the locator support 4 can be installed in the forward direction and the reverse direction to form forward positioning and reverse positioning, and if the locator support 4 is pulled, the horizontal component force transmitted by the locator 9 is positioned in the forward direction, as shown in fig. 1; the compression is reversed as shown in fig. 5.
Claims (8)
1. An integral welding cantilever support device for an electrified railway is characterized in that: comprises a flat wrist arm (1), an inclined wrist arm (2), a carrier cable seat (3), a locator support (4) and a locator (9); one end of the flat wrist arm (1) is provided with a bent arm pipe (5) and a carrier cable seat (3); one end of the bent arm pipe (5) is connected with the flat wrist arm (1), and the other end of the bent arm pipe (5) is connected with the inclined wrist arm (2); one end of the inclined cantilever (2) is connected with the flat cantilever (1) and the bent arm pipe (5); the bent arm pipe (5) is provided with the locator support (4), and the locator support (4) is provided with the locator (9); a supporting tube (6) is arranged between the inclined wrist arm (2) and the flat wrist arm (1); the flat wrist arm (1), the inclined wrist arm (2), the bent arm pipe (5) and the supporting pipe (6) are of an integrated structure through welding; the other ends of the flat wrist arm (1) and the inclined wrist arm (2) are respectively provided with a connecting base (7) and a rod insulator (8).
2. The integral welding cantilever support device for electrified railways according to claim 1, characterized in that the messenger wire holder (3) is connected with the flat cantilever (1) by a positioning ring (31); the wrist flattening arm (1) is provided with a plurality of adjusting holes (101); the bolt A (32) passes through the positioning ring (31) and the adjusting hole (101), the carrier cable seat (3) is connected with the wrist support (1), the bolt A (32) is positioned through the bolt positioning pin A (33), and the root of the bolt A (32) is of a round structure.
3. The integrally welded cantilever support for electrified railways according to claim 2, characterized in that said adjustment hole (101) is provided with a rubber protection cap.
4. The integral welding cantilever support device for an electrified railway according to claim 2, wherein the upper end of the locator support (4) is connected with the bent arm pipe (5), and the lower end of the locator support (4) is connected with the locator (9); the upper end of the locator support (4) is provided with a hinge anchor ear (10), and the hinge anchor ear (10) is connected with the bent arm pipe (5).
5. The integral welding cantilever support device for the electrified railway according to claim 4, wherein the hinge hoop (10) comprises a fixed page (102) and an opening and closing page (103), and the fixed page (102) is fixedly connected with the locator support (4); the fixed page (102) is equipped with the circular fixed orifices, open and shut page (103) are equipped with square fixed orifices, bent arm pipe (5) are located open and shut page (103) with between fixed page (102), open and shut page (103) with fixed page (102) pass through bolt B (104) fixed connection, bolt B (104) are fixed a position through bolt locating pin B (105), bolt B (104) root is square structure.
6. The integral welding cantilever support device for the electrified railway according to claim 1, wherein one end of the locator (9) is connected with the locator support (4) through a bolt C (91), the bolt C (91) is positioned through a bolt positioning pin C (92), and the root of the bolt C (91) is of a circular structure; the other end of the positioner (9) is provided with a positioning wire clamp (11), the positioning wire clamp (11) is connected with the positioner (9) through a bolt D (111), the bolt D (111) is positioned through a bolt positioning pin D (112), and the root of the bolt D (111) is of a circular structure; the lower end of the positioning wire clamp (11) is connected with a wire.
7. The integral welding cantilever support device for the electrified railway according to claim 6, wherein a positioning sleeve (12) is arranged at the upper end of the positioning wire clamp (11), the positioning sleeve (12) is connected with the positioning wire clamp (11) in a matched manner through a bolt E and a slotted nut, the bolt E and the slotted nut are positioned through a bolt positioning pin, and the root of the bolt E is of a round structure.
8. The integrally welded cantilever support for electrified railways according to claim 7, characterized in that said locator (9) is a spring-type locator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321045135.0U CN219852810U (en) | 2023-05-05 | 2023-05-05 | Integral welding cantilever supporting device for electrified railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321045135.0U CN219852810U (en) | 2023-05-05 | 2023-05-05 | Integral welding cantilever supporting device for electrified railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219852810U true CN219852810U (en) | 2023-10-20 |
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ID=88347368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321045135.0U Active CN219852810U (en) | 2023-05-05 | 2023-05-05 | Integral welding cantilever supporting device for electrified railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219852810U (en) |
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2023
- 2023-05-05 CN CN202321045135.0U patent/CN219852810U/en active Active
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