CN210082992U - Small-limit cantilever positioning structure of contact network - Google Patents
Small-limit cantilever positioning structure of contact network Download PDFInfo
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- CN210082992U CN210082992U CN201920785570.4U CN201920785570U CN210082992U CN 210082992 U CN210082992 U CN 210082992U CN 201920785570 U CN201920785570 U CN 201920785570U CN 210082992 U CN210082992 U CN 210082992U
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Abstract
The utility model discloses a contact net small limit cantilever positioning structure, wherein a double-insulation jumper wire is arranged between a flat cantilever insulator and an inclined cantilever insulator, and two ends of the double-insulation jumper wire are respectively connected to the flat cantilever insulator and the inclined cantilever insulator; the inclined cantilever is respectively connected with a first positioning support tube, a second positioning support tube and a third positioning support tube, and the second positioning support tube is connected with the first positioning support tube; positioning pipes are arranged below the first positioning supporting pipe, the second positioning supporting pipe and the third positioning supporting pipe, and the first positioning supporting pipe and the third positioning supporting pipe are connected with the positioning pipes; a limiting positioner is connected below one end of the positioning tube, a windproof stay wire is connected to the limiting positioner, and the other end of the windproof stay wire is connected to the other end of the positioning tube; the utility model ensures that the positive positioning pull-out value meets the requirement under the condition of small limit; the structure is realized by adopting the existing standard parts, and the structure is stable, simple and economical.
Description
Technical Field
The utility model belongs to the technical field of electric railway or urban rail transit contact net, specifically relate to an utilize current standard spare part, improve under the cantilever base mounting height, utilize the positioning support pipe installation registration arm that reduces to realize that little boundary line contact net hangs and the little boundary line cantilever location structure of contact net of location.
Background
The overhead contact system is a special power supply line erected in the open air above a railway, is suspended and positioned through a cantilever and a positioning device, and is used for acquiring electric energy by an electric locomotive and a motor train unit through sliding contact of a pantograph and the overhead contact system.
In the prior contact net cantilever and positioning device in China, a positioning tube is arranged on an inclined cantilever through a positioning ring, a positioner is arranged on the positioning tube through a positioning support, the positioner directly positions a contact net, and the mounting height of the positioning tube is fixed under the condition of determining the guide height. If the limit of the hanging columns at the positions of the hard cross beam or the tunnel and the like is small, a short hanging column is needed, and the mounting height of the lower cantilever base is increased, the positioning pipe has no mounting space; if the limitation of the support is small, the transverse installation space of the circuit is small, and when the positioning is performed, the positioner interferes with the root structure of the positioning pipe, and the pulling value cannot meet the requirement.
When the problems are solved, firstly, the length of the positioner is reduced, the positioning support can be invaded into a dynamic envelope line of the pantograph to cause the potential safety hazard of pantograph opening by the method, secondly, a horizontal insulator, a positioning pipe and a special positioner are added under a short hanging post, the scheme needs to adopt the special positioner and increase the insulator, the actual effect is greatly limited by the type number of the special positioner, and the economy is not high.
Disclosure of Invention
The utility model discloses to above-mentioned problem, remedy the not enough of prior art existence, provide a little boundary limit cantilever location structure of contact net to there is not installation space, little boundary limit pillar locator and the problem of registration arm isotructure emergence interference of the short davit cantilever of little boundary limit in solving prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
The utility model relates to a contact net small limit cantilever positioning structure, which comprises a suspension post, a flat cantilever, an inclined cantilever, a flat cantilever insulator, an inclined cantilever insulator, an upper cantilever base, a lower cantilever base and a sleeve double ear; one end of the flat cantilever is provided with a flat cantilever insulator and is connected with the suspension post through the upper cantilever base, and the other end of the flat cantilever is provided with two lugs of the sleeve; one end of the inclined cantilever is provided with an inclined cantilever insulator and is connected with the suspension column through a lower cantilever base, and the other end of the inclined cantilever is hinged with the flat cantilever through a sleeve double ear; the method is characterized in that: a double-insulation jumper is arranged between the flat cantilever insulator and the inclined cantilever insulator, and two ends of the double-insulation jumper are respectively connected to the flat cantilever insulator and the inclined cantilever insulator; the inclined cantilever is respectively connected with a first positioning support tube, a second positioning support tube and a third positioning support tube, and the second positioning support tube is connected with the first positioning support tube; positioning pipes are arranged below the first positioning supporting pipe, the second positioning supporting pipe and the third positioning supporting pipe, and the first positioning supporting pipe and the third positioning supporting pipe are connected with the positioning pipes; the wind-proof positioning device is characterized in that a limiting positioner is connected to the lower portion of one end of the positioning tube, a wind-proof pull wire is connected to the limiting positioner, and the other end of the wind-proof pull wire is connected to the other end of the positioning tube.
As an optimized scheme of the utility model, the flat cantilever on still be provided with the messenger wire seat, the messenger wire seat be located the sleeve pipe ears and keep away from between the flat cantilever tip of flat cantilever insulator one end.
As another preferred scheme of the utility model, be provided with the cantilever pipe cap on keeping away from the flat cantilever tip of flat cantilever insulator one end.
As another preferred scheme of the utility model, two insulating wire jumper both ends be provided with the wire jumper clamp respectively, two insulating wire jumpers pass through wire jumper clamp connect on flat cantilever insulator, the oblique cantilever insulator.
As another preferred scheme of the utility model, first location stay tube, second location stay tube, third location stay tube do not are provided with the cantilever support pipe checkpost with the department that links to each other of oblique cantilever, through the cantilever support pipe checkpost with first location stay tube, second location stay tube, third location stay tube with oblique cantilever link to each other.
As another preferred scheme of the present invention, the connection between the first positioning support tube and the second positioning support tube and the connection between the third positioning support tube and the positioning tube are provided with positioning tube support tube clips, the first positioning support tube and the second positioning support tube are connected by the positioning tube support tube clips, and the third positioning support tube and the positioning tube are connected; the first positioning support pipe is connected with one end of the positioning pipe, and the third positioning support pipe is connected with the middle position of the positioning pipe.
As another preferred scheme of the utility model, the locating tube be provided with the holding ring with the department that links to each other of first location stay tube, through the holding ring with the locating tube with first location stay tube link to each other.
As another preferable scheme of the present invention, the positioning ring is a G42 type positioning ring.
As another preferred embodiment of the present invention, the first positioning support tube, the second positioning support tube and the inclined cantilever form a triangle, and the second positioning support tube, the third positioning support tube and the positioning tube form a triangle.
As another preferred scheme of the utility model, the registration arm on both ends be provided with the location support respectively, prevent wind the fastener, spacing locator, prevent wind act as go-between through the location support, prevent wind the fastener and link to each other with the registration arm.
The utility model has the advantages of.
The utility model provides a little boundary limit cantilever location structure of contact net, improved lower cantilever base mounting height, reduced the interval between upper cantilever base and the lower cantilever base, utilize the positioning support tube installation registration arm that reduces, realize the installation of spacing locator, can adapt to the lifting and the swing when pantograph high-speed passes through, be fit for the contact suspension of positive line; the mounting space of the positioner is increased, and the requirement of the positive positioning pull-out value under the condition of small limit is met; the structure is realized by adopting the existing standard parts, and the structure is stable, simple and economical.
Drawings
In order to make the technical problem, technical scheme and beneficial effect that the utility model solved more clearly understand, it is right to combine the attached drawing and detailed description mode below the utility model discloses further detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Fig. 1 is the utility model relates to a little boundary limit cantilever location structure's of contact net positive locate mode structure sketch map.
Fig. 2 is the utility model relates to a little boundary limit cantilever location structure's of contact net anti-locate mode structure sketch map.
The labels in the figure are: the device comprises a hanging post 1, an upper cantilever base 2, a flat cantilever insulator 3, an inclined cantilever insulator 4, a flat cantilever 5, an inclined cantilever 6, a sleeve double lug 7, a bearing cable seat 8, a cantilever pipe cap 9, a cantilever support pipe clip 10, a first positioning support pipe 11, a second positioning support pipe 12, a third positioning support pipe 13, a positioning pipe 14, a positioning pipe support pipe clip 15, a positioning pipe 16, a positioning support 17, a limiting positioner 18, a windproof wire clamp 19, a windproof stay wire 20, a double-insulation jumper 21, a jumper clamp 22, a positioning pipe cap 23 and a lower cantilever base 24.
Detailed Description
The attached drawing is combined to show that the utility model relates to a small-limit cantilever positioning structure of a contact net, which comprises a davit 1, a flat cantilever 5, an inclined cantilever 6, a flat cantilever insulator 3, an inclined cantilever insulator 4, an upper cantilever base 2, a lower cantilever base 24 and a sleeve double ear 7; one end of the flat cantilever 5 is provided with a flat cantilever insulator 3 and is connected with the suspension column 1 through an upper cantilever base 2, and the other end of the flat cantilever 5 is provided with a sleeve double lug 7; one end of the inclined cantilever 6 is provided with an inclined cantilever insulator 4 and is connected with the suspension column 1 through a lower cantilever base 24, and the other end of the inclined cantilever 6 is hinged with the flat cantilever 5 through a sleeve double-lug 7; the method is characterized in that: a double-insulation jumper 21 is arranged between the flat cantilever insulator 3 and the inclined cantilever insulator 4, and two ends of the double-insulation jumper 21 are respectively connected to the flat cantilever insulator 3 and the inclined cantilever insulator 4; the inclined cantilever 6 is respectively connected with a first positioning support tube 11, a second positioning support tube 12 and a third positioning support tube 13, and the second positioning support tube 12 is connected with the first positioning support tube 11; a positioning pipe 14 is arranged below the first positioning support pipe 11, the second positioning support pipe 12 and the third positioning support pipe 13, and the first positioning support pipe 11 and the third positioning support pipe 13 are connected with the positioning pipe 14; a limiting positioner 18 is connected below one end of the positioning tube 14, a windproof stay wire 20 is connected on the limiting positioner 18, and the other end of the windproof stay wire 20 is connected to the other end of the positioning tube 14.
As an optimized scheme of the utility model, flat cantilever 5 on still be provided with messenger wire seat 8, messenger wire seat 8 be located between sleeve pipe ears 7 and the flat cantilever 5 tip of keeping away from 3 one ends of flat cantilever insulator.
As another preferred scheme of the utility model, be provided with the cantilever pipe cap 9 on the flat cantilever 5 tip of keeping away from flat cantilever insulator 3 one end.
As another preferred scheme of the utility model, two insulating wire jumper 21 both ends be provided with wire jumper clamp 22 respectively, two insulating wire jumper 21 pass through wire jumper clamp 22 connect on flat cantilever insulator 3, the oblique cantilever insulator 4.
As another preferred embodiment of the present invention, the linking place of the first positioning support tube 11, the second positioning support tube 12, the third positioning support tube 13 and the oblique wrist arm 6 is provided with a wrist support tube clip 10 respectively, through the wrist support tube clip 10 linking the first positioning support tube 11, the second positioning support tube 12, the third positioning support tube 13 and the oblique wrist arm 6.
As another preferred scheme of the present invention, the connection between the first positioning support tube 11 and the second positioning support tube 12, and the connection between the third positioning support tube 13 and the positioning tube 14 are both provided with a positioning tube support tube clip 15, the first positioning support tube 11 is connected to the second positioning support tube 12 through the positioning tube support tube clip 15, and the third positioning support tube 13 is connected to the positioning tube 14; the first positioning support pipe 11 is connected with one end of a positioning pipe 14, and the third positioning support pipe 13 is connected with the middle position of the positioning pipe 14.
As another preferred embodiment of the present invention, a positioning ring 16 is disposed at the connection between the positioning tube 14 and the first positioning support tube 11, and the positioning tube 14 is connected to the first positioning support tube 11 through the positioning ring 16.
As another preferred embodiment of the present invention, the positioning ring 14 is a G42 type positioning ring.
As another preferred embodiment of the present invention, the first positioning support tube 11, the second positioning support tube 12 and the inclined cantilever 6 form a triangle, and the second positioning support tube 12, the third positioning support tube 13 and the positioning tube 14 form a triangle.
As another preferred scheme of the utility model, registration arm 14 on both ends be provided with location support 17, prevent wind fastener 19 respectively, spacing locator 18, prevent wind 20 and link to each other with registration arm 14 through location support 17, prevent wind fastener 19.
It should be noted that the installation angle of the first positioning support tube 11 is required to meet the following requirements: the minimum distance from the electrified side skirt edge of the inclined cantilever insulator 4 to the first positioning support tube 11 is not less than 300mm, and the lengths of the first positioning support tube 11, the second positioning support tube 12 and the third positioning support tube 13 need to be calculated according to field requirements so as to ensure that the installation height of the positioning tube 14 and the gradient of the limiting positioner 18 meet the standard requirements.
Specifically, when the limit of the suspension post 1 is small, the installation height of the lower cantilever base 24 is increased to be above the pilot height; the first positioning support tube 11 is arranged on the oblique wrist arm 6 and is used for mounting a G42 type positioning ring and positioning tube 14 and a limit positioner 18.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (10)
1. A contact network small-limit cantilever positioning structure comprises a hanging column, a flat cantilever, an inclined cantilever, a flat cantilever insulator, an inclined cantilever insulator, an upper cantilever base, a lower cantilever base and a sleeve double lug; one end of the flat cantilever is provided with a flat cantilever insulator and is connected with the suspension post through the upper cantilever base, and the other end of the flat cantilever is provided with two lugs of the sleeve; one end of the inclined cantilever is provided with an inclined cantilever insulator and is connected with the suspension column through a lower cantilever base, and the other end of the inclined cantilever is hinged with the flat cantilever through a sleeve double ear; the method is characterized in that: a double-insulation jumper is arranged between the flat cantilever insulator and the inclined cantilever insulator, and two ends of the double-insulation jumper are respectively connected to the flat cantilever insulator and the inclined cantilever insulator; the inclined cantilever is respectively connected with a first positioning support tube, a second positioning support tube and a third positioning support tube, and the second positioning support tube is connected with the first positioning support tube; positioning pipes are arranged below the first positioning supporting pipe, the second positioning supporting pipe and the third positioning supporting pipe, and the first positioning supporting pipe and the third positioning supporting pipe are connected with the positioning pipes; the wind-proof positioning device is characterized in that a limiting positioner is connected to the lower portion of one end of the positioning tube, a wind-proof pull wire is connected to the limiting positioner, and the other end of the wind-proof pull wire is connected to the other end of the positioning tube.
2. The overhead contact system small-gauge cantilever positioning structure of claim 1, wherein: and the bearing cable seat is positioned between the double lugs of the sleeve and the end part of the flat cantilever far away from one end of the flat cantilever insulator.
3. The overhead contact system small-gauge cantilever positioning structure of claim 2, wherein: and a cantilever pipe cap is arranged on the end part of the flat cantilever far away from one end of the flat cantilever insulator.
4. The overhead contact system small-gauge cantilever positioning structure of claim 1, wherein: and the two ends of the double-insulation jumper are respectively provided with a jumper clamp, and the double-insulation jumper is connected to the flat cantilever insulator and the inclined cantilever insulator through the jumper clamps.
5. The overhead contact system small-gauge cantilever positioning structure of claim 1, wherein: the first positioning support tube, the second positioning support tube and the third positioning support tube are respectively provided with a cantilever support tube clip, and the first positioning support tube, the second positioning support tube and the third positioning support tube are connected with the oblique cantilever through the cantilever support tube clips.
6. The overhead contact system small-gauge cantilever positioning structure of claim 1, wherein: the joint of the first positioning support tube and the second positioning support tube and the joint of the third positioning support tube and the positioning tube are both provided with a positioning tube support tube clip, and the first positioning support tube and the second positioning support tube are connected and the third positioning support tube and the positioning tube are connected through the positioning tube support tube clip; the first positioning support pipe is connected with one end of the positioning pipe, and the third positioning support pipe is connected with the middle position of the positioning pipe.
7. The overhead contact system small-gauge cantilever positioning structure of claim 1, wherein: the positioning pipe is connected with the first positioning support pipe through a positioning ring.
8. The catenary small-gauge cantilever positioning structure according to claim 7, wherein: the positioning ring is a G42 type positioning ring.
9. The overhead contact system small-gauge cantilever positioning structure of claim 1, wherein: the first positioning supporting tube, the second positioning supporting tube and the inclined wrist arm form a triangle, and the second positioning supporting tube, the third positioning supporting tube and the positioning tube form a triangle.
10. The overhead contact system small-gauge cantilever positioning structure of claim 1, wherein: the locating tube is provided with a locating support and a windproof wire clamp at two ends respectively, and the limiting locator and the windproof stay wire are connected with the locating tube through the locating support and the windproof wire clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920785570.4U CN210082992U (en) | 2019-05-29 | 2019-05-29 | Small-limit cantilever positioning structure of contact network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920785570.4U CN210082992U (en) | 2019-05-29 | 2019-05-29 | Small-limit cantilever positioning structure of contact network |
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| Publication Number | Publication Date |
|---|---|
| CN210082992U true CN210082992U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920785570.4U Active CN210082992U (en) | 2019-05-29 | 2019-05-29 | Small-limit cantilever positioning structure of contact network |
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| Country | Link |
|---|---|
| CN (1) | CN210082992U (en) |
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- 2019-05-29 CN CN201920785570.4U patent/CN210082992U/en active Active
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