CN216783308U - Bending type cantilever and positioning device - Google Patents
Bending type cantilever and positioning device Download PDFInfo
- Publication number
- CN216783308U CN216783308U CN202220440407.6U CN202220440407U CN216783308U CN 216783308 U CN216783308 U CN 216783308U CN 202220440407 U CN202220440407 U CN 202220440407U CN 216783308 U CN216783308 U CN 216783308U
- Authority
- CN
- China
- Prior art keywords
- horizontal section
- cantilever
- positioning
- section
- straight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The utility model relates to the technical field of railway contact networks, in particular to a bending type cantilever and a positioning device, which comprise a cantilever system and a positioning system, wherein the cantilever system comprises a straight cantilever, a bending cantilever and a cantilever support; the bending cantilever comprises a first horizontal section, a second horizontal section and a connecting section for connecting the first horizontal section and the second horizontal section, a messenger cable seat is fixed on the second horizontal section, one end of the straight cantilever is connected with a second insulator, the other end of the straight cantilever is connected with the connecting section, the positioning system comprises a positioning upright post and a positioner, and the positioning upright post is fixed below the first horizontal section; according to the utility model, one horizontal section of the bending cantilever is connected with the positioning system, and the other horizontal section of the bending cantilever is connected with the carrier cable, so that a positioning pipe and a positioning support are cancelled, related connecting pieces are reduced, the operation and maintenance strength is reduced, and the positioning system is directly arranged on the bending cantilever, so that the reliability is further improved, and the stability of a contact net system is improved.
Description
Technical Field
The utility model relates to the technical field of railway contact networks, in particular to a bending type cantilever and a positioning device.
Background
The overhead contact system is a high-voltage transmission line which is erected along the overhead line in a zigzag shape and used for a pantograph to take current in an electrified railway, is a main framework of railway electrification engineering, is a special transmission line which is erected along the overhead line and used for supplying power to an electric locomotive, and comprises a contact suspension part, a supporting device, a positioning device, a support column, a foundation and the like.
The supporting device is used for supporting the contact suspension and transmitting the load to a pillar or other buildings and mainly comprises a wrist-arm system; the positioning device mainly comprises a positioner, and the positioner is used for fixing the position of the contact line, so that the contact line is in the range of the running track of the pantograph slide plate, the contact line and the pantograph are ensured not to be separated, and the horizontal load of the contact line is transmitted to the support.
The cantilever system in the prior art comprises a horizontal cantilever and an inclined cantilever, wherein the inclined cantilever is a straight pipe and inclines upwards, a positioner needs to be fixed on the inclined cantilever through a positioning pipe and a positioning support, and the required parts are more and the installation is more complex.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: in order to overcome the problems that a positioner in the prior art needs to be fixed on an inclined cantilever in a cantilever system through a positioning tube and a positioning support, more parts are needed and the installation is complex, a bending type cantilever and a positioning device are provided.
In order to solve the technical problems, the utility model adopts the following technical scheme: a bending type cantilever and a positioning device (positive positioning) comprises a cantilever system and a positioning system, wherein the cantilever system comprises a straight cantilever, a bending cantilever and a cantilever support; the bending cantilever comprises a first horizontal section, a second horizontal section and a connecting section for connecting the first horizontal section and the second horizontal section, the second horizontal section is positioned above the first horizontal section, one end of the first horizontal section, which is far away from the connecting section, is connected with a first insulator, and a carrier cable seat is fixed on the second horizontal section and used for fixing a carrier cable; one end of the straight wrist arm is connected with the second insulator, the other end of the straight wrist arm is connected with the connecting section and used for pulling the bent wrist arm, the straight wrist arm is located above the first horizontal section, and the straight wrist arm is gradually inclined downwards from the second insulator to the connecting section; one end of the cantilever support is connected with the middle part of the straight cantilever, and the other end of the cantilever support is connected with the first horizontal section; the positioning system comprises a positioning upright post and a positioner, the positioning upright post is fixed below the first horizontal section, the positioner is fixed on the positioning upright post, and the first insulator and the positioner are respectively positioned on two sides of the positioning upright post.
According to the technical scheme, the first horizontal section of the bending cantilever is connected with the positioning system, the second horizontal section of the bending cantilever is connected with the carrier cable, the positioning pipe and the positioning support are omitted, the number of related connecting pieces is reduced, the operation and maintenance intensity is reduced, the positioning system is directly installed on the bending cantilever, the reliability is further improved, and the stability of the contact net system is improved.
Furthermore, the connecting section inclines towards the direction of keeping away from the second insulator from first horizontal segment to the direction of second horizontal segment gradually, first horizontal segment, linkage segment and second horizontal segment integrated into one piece, and the angle of upwards buckling from first horizontal segment of linkage segment, and the angle of downwards buckling from the linkage segment of second horizontal segment are all less, avoid the intensity of the too big reduction linkage segment of angle of bending.
Furthermore, the first horizontal section and the connecting section, and the connecting section and the second horizontal section are in arc transition, so that the reduction of the strength of the bent cantilever caused by stress concentration can be avoided.
Furthermore, the pipe cap is installed to the one end that the linkage segment was kept away from to the second horizontal segment, but dustproof and waterproof prevents that sleet and dust from causing the pipe wall to rust in getting into the pipe, has improved the life of cantilever.
A bending type cantilever and a positioning device (reverse positioning) comprises a cantilever system and a positioning system; the cantilever system comprises a straight cantilever, a bent cantilever and a cantilever support; the bending cantilever comprises a first horizontal section, a second horizontal section and a connecting section for connecting the first horizontal section and the second horizontal section, the first horizontal section is positioned above the second horizontal section, one end of the first horizontal section, which is far away from the connecting section, is connected with a first insulator, and a messenger wire seat is fixed on the first horizontal section; one end of the straight wrist arm is connected with the second insulator, the other end of the straight wrist arm is connected with the connecting section, the straight wrist arm is located below the first horizontal section, and the straight wrist arm is gradually inclined upwards from the first insulator to the connecting section; one end of the cantilever support is connected with the middle part of the straight cantilever, and the other end of the cantilever support is connected with the first horizontal section; the positioning system comprises a positioning upright column and a positioner, the positioning upright column is fixed below the second horizontal section, the positioner is fixed on the positioning upright column, and the first insulator and the positioner are located on the same side of the positioning upright column.
The device utilizes the first horizontal segment of the bending cantilever to connect the carrier cable, the second horizontal segment is connected with the positioning system, the positioning pipe and the positioning support are cancelled, the related connecting pieces are reduced, the operation and maintenance intensity is reduced, the positioning system is directly installed on the bending cantilever, the reliability is further improved, and the stability of a contact net system is improved. The bending type cantilever is matched with the positioning device for positive positioning and reverse positioning, so that the stability of the contact net system can be further improved.
Furthermore, the connecting section inclines gradually towards the direction away from the second insulator from the first horizontal section to the direction of the second horizontal section.
Furthermore, the first horizontal section and the connecting section, and the connecting section and the second horizontal section are in circular arc transition.
Furthermore, a pipe cap is installed at one end, far away from the connecting section, of the second horizontal section.
The utility model has the beneficial effects that: according to the utility model, one horizontal section of the bending cantilever is connected with the positioning system, and the other horizontal section of the bending cantilever is connected with the carrier cable, so that a positioning pipe and a positioning support are cancelled, related connecting pieces are reduced, the operation and maintenance strength is reduced, and the positioning system is directly arranged on the bending cantilever, so that the reliability is further improved, and the stability of a contact net system is improved.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a bending type wrist and a positioning device (forward positioning);
FIG. 2 is a schematic structural view of the bending type wrist and the positioning device (reverse positioning);
in the figure: 1. a wrist-arm system; 101. a straight wrist arm; 102. bending the wrist arm; 1021. a first horizontal segment 1022, a second horizontal segment; 1023. a connecting section; 103. a wrist-arm support; 104. a first insulator; 105. a second insulator; 106. a messenger wire seat; 107. a pipe cap; 2. a positioning system; 201. positioning the upright post; 202. a locator.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The first embodiment is as follows:
as shown in fig. 1, the present invention is a bending type cantilever and positioning device (forward positioning), comprising a cantilever system 1 and a positioning system 2;
the cantilever system 1 comprises a straight cantilever 101, a bent cantilever 102 and a cantilever support 103;
the bending wrist arm 102 comprises a first horizontal section 1021, a second horizontal section 1022 and a connecting section 1023 for connecting the first horizontal section 1021 and the second horizontal section 1022, the second horizontal section 1022 is located above the first horizontal section 1021, the connecting section 1023 inclines gradually from the first horizontal section 1021 to the second horizontal section 1022 in the direction away from the second insulator 105, the first horizontal section 1021, the connecting section 1023 and the second horizontal section 1022 are integrally formed, the connecting section 1023 is bent upwards from the first horizontal section 1021, and the second horizontal section 1022 is bent downwards from the connecting section 1023 in a smaller angle, so that the strength of the connecting section 1023 is prevented from being reduced due to an overlarge bending angle; the first horizontal section 1021, the connecting section 1023 and the second horizontal section 1022 are in arc transition, so that the strength reduction of the bent wrist arm caused by stress concentration can be avoided; one end of the first horizontal section 1021, which is far away from the connecting section 1023, is connected with a first insulator 104, a messenger wire seat 106 is fixed on the second horizontal section 1022 for fixing a messenger wire, and a pipe cap 107 is installed at one end of the second horizontal section 1022, which is far away from the connecting section 1023, so that the wrist arm can be dustproof and waterproof, prevent rain, snow and dust from entering the pipe to cause rusting of the pipe wall, and prolong the service life of the wrist arm;
one end of the straight cantilever 101 is connected with the second insulator 105, the other end of the straight cantilever 101 is connected with the connecting section 1023 and used for pulling the bent cantilever 102, the straight cantilever 101 is positioned above the first horizontal section 1021, and the straight cantilever 101 gradually inclines downwards from the second insulator 105 to the connecting section 1023; one end of the wrist arm support 103 is connected with the middle part of the straight wrist arm 101, and the other end is connected with the first horizontal section 1021;
the positioning system 2 includes a positioning column 201 and a positioner 202, the positioning column 201 is fixed below the first horizontal section 1021, the positioner 202 is fixed on the positioning column 201, and the first insulator 104 and the positioner 202 are respectively located at two sides of the positioning column 201.
Example two:
as shown in fig. 2, the present invention is a bending type cantilever and positioning device (reverse positioning), comprising a cantilever system 1 and a positioning system 2;
the cantilever system 1 comprises a straight cantilever 101, a bent cantilever 102 and a cantilever support 103; the bending wrist arm 102 comprises a first horizontal section 1021, a second horizontal section 1022 and a connecting section 1023 for connecting the first horizontal section 1021 and the second horizontal section 1022, the first horizontal section 1021 is positioned above the second horizontal section 1022, the connecting section 1023 inclines gradually from the first horizontal section 1021 to the second horizontal section 1022 in the direction away from the second insulator 105, the first horizontal section 1021, the connecting section 1023 and the second horizontal section 1022 are integrally formed, the connecting section 1023 is bent downwards from the first horizontal section 1021, and the second horizontal section 1022 is bent upwards from the connecting section 1023 in a smaller angle, so that the strength of the connecting section 1023 is prevented from being reduced due to an overlarge bending angle; the first horizontal section 1021, the connecting section 1023 and the second horizontal section 1022 are in arc transition, so that the strength reduction of the bent wrist arm caused by stress concentration can be avoided; one end of the first horizontal section 1021, which is far away from the connecting section 1023, is connected with a first insulator 104, and a messenger wire seat 106 is fixed on the first horizontal section 1021; pipe cap 107 is installed to the one end that the linkage segment 1023 is kept away from to second horizontal segment 1022, but dustproof and waterproof prevents that sleet and dust from causing the pipe wall to rust in getting into the pipe, has improved the life of cantilever.
One end of the straight cantilever 101 is connected with the second insulator 105, the other end of the straight cantilever 101 is connected with the connecting section 1023, the straight cantilever 101 is positioned below the first horizontal section 1021, and the straight cantilever 101 is gradually inclined upwards from the second insulator 105 to the connecting section 1023; one end of the wrist arm support 103 is connected with the middle part of the straight wrist arm 101, and the other end is connected with the first horizontal section 1021;
the positioning system 2 includes a positioning column 201 and a positioner 202, the positioning column 201 is fixed below the second horizontal section 1022, the positioner 202 is fixed on the positioning column 201, and the first insulator 104 and the positioner 202 are located on the same side of the positioning column 201.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a type of bending cantilever and positioner which characterized in that: comprises a wrist-arm system (1) and a positioning system (2);
the cantilever system (1) comprises a straight cantilever (101), a bent cantilever (102) and a cantilever support (103);
the bending wrist arm (102) comprises a first horizontal section (1021), a second horizontal section (1022) and a connecting section (1023) for connecting the first horizontal section (1021) and the second horizontal section (1022), the second horizontal section (1022) is located above the first horizontal section (1021), one end, far away from the connecting section (1023), of the first horizontal section (1021) is connected with a first insulator (104), and a messenger cable seat (106) is fixed on the second horizontal section (1022);
one end of the straight wrist arm (101) is connected with the second insulator (105), the other end of the straight wrist arm is connected with the connecting section (1023), the straight wrist arm (101) is located above the first horizontal section (1021), and the straight wrist arm (101) gradually inclines downwards from the second insulator (105) to the direction of the connecting section (1023);
one end of the wrist arm support (103) is connected with the middle part of the straight wrist arm (101), and the other end is connected with the first horizontal section (1021);
the positioning system (2) comprises a positioning upright post (201) and a positioner (202), the positioning upright post (201) is fixed below the first horizontal section (1021), the positioner (202) is fixed on the positioning upright post (201), and the first insulator (104) and the positioner (202) are respectively positioned on two sides of the positioning upright post (201).
2. The bending cantilever and positioning device according to claim 1, wherein: the connecting section (1023) is gradually inclined towards the direction far away from the second insulator (105) from the first horizontal section (1021) to the direction of the second horizontal section (1022).
3. The folding wrist arm and positioning device according to claim 1, wherein: the first horizontal section (1021) and the connecting section (1023), and the connecting section (1023) and the second horizontal section (1022) are in circular arc transition.
4. The folding wrist arm and positioning device according to claim 1, wherein: the end of the second horizontal section (1022) far away from the connecting section (1023) is provided with a pipe cap (107).
5. The utility model provides a type of bending cantilever and positioner which characterized in that: comprises a wrist-arm system (1) and a positioning system (2);
the cantilever system (1) comprises a straight cantilever (101), a bent cantilever (102) and a cantilever support (103);
the bending wrist arm (102) comprises a first horizontal section (1021), a second horizontal section (1022) and a connecting section (1023) for connecting the first horizontal section (1021) and the second horizontal section (1022), the first horizontal section (1021) is positioned above the second horizontal section (1022), one end, far away from the connecting section (1023), of the first horizontal section (1021) is connected with a first insulator (104), and a messenger cable seat (106) is fixed on the first horizontal section (1021);
one end of the straight cantilever (101) is connected with the second insulator (105), the other end of the straight cantilever is connected with the connecting section (1023), the straight cantilever (101) is positioned below the first horizontal section (1021), and the straight cantilever (101) gradually inclines upwards from the second insulator (105) to the connecting section (1023);
one end of the wrist arm support (103) is connected with the middle part of the straight wrist arm (101), and the other end is connected with the first horizontal section (1021);
the positioning system (2) comprises a positioning upright post (201) and a positioner (202), the positioning upright post (201) is fixed below the second horizontal section (1022), the positioner (202) is fixed on the positioning upright post (201), and the first insulator (104) and the positioner (202) are located on the same side of the positioning upright post (201).
6. The folding wrist arm and positioning device according to claim 5, wherein: the connecting section (1023) is gradually inclined towards the direction far away from the second insulator (105) from the first horizontal section (1021) to the direction of the second horizontal section (1022).
7. The folding wrist arm and positioning device according to claim 5, wherein: the first horizontal section (1021) and the connecting section (1023), and the connecting section (1023) and the second horizontal section (1022) are in circular arc transition.
8. The folding wrist arm and positioning device according to claim 5, wherein: the end of the second horizontal section (1022) far away from the connecting section (1023) is provided with a pipe cap (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220440407.6U CN216783308U (en) | 2022-03-01 | 2022-03-01 | Bending type cantilever and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220440407.6U CN216783308U (en) | 2022-03-01 | 2022-03-01 | Bending type cantilever and positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216783308U true CN216783308U (en) | 2022-06-21 |
Family
ID=82001014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220440407.6U Active CN216783308U (en) | 2022-03-01 | 2022-03-01 | Bending type cantilever and positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216783308U (en) |
-
2022
- 2022-03-01 CN CN202220440407.6U patent/CN216783308U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2761930C (en) | Cantilever for supporting live cables of railway, trolley and subway lines | |
| CN106671829A (en) | Insulated combined-type support device for overhead lines | |
| CN1273322C (en) | Double-wire powering trolleybus pantograph | |
| CN216783308U (en) | Bending type cantilever and positioning device | |
| CN1239336C (en) | Double-wire powering trolleybus pantograph with damping spring barrel | |
| CN108839589A (en) | Intermediolateral column and transition mast contact network cantilever support device | |
| KR20130087778A (en) | Expansion joint | |
| CN209467015U (en) | Intermediolateral column and transition mast cantilever support device, Software Locator support device | |
| CN115742884A (en) | Rigid suspension contact net system based on spring and damping electric brush | |
| CN212243034U (en) | Fixing structure of overhead ground wire anchoring device | |
| CN211663101U (en) | Contact wire lower anchor device fixing structure | |
| CN201231693Y (en) | Alternating current supply rail apparatus | |
| CN208469607U (en) | A kind of high-speed rail traction power supply additional wire suspension | |
| CN200967424Y (en) | Inclined bracing wire | |
| EP3766729A1 (en) | Cantilever for multi-pantograph high-speed overhead contact line | |
| CN115296242B (en) | Suspension type mounting structure for connecting cable of cable terminal tower and overhead wire | |
| CN1273325C (en) | Station charging trolleybus contacting net | |
| CN217553740U (en) | Inclined cantilever for supporting contact line of high-speed railway | |
| CN211000995U (en) | Sectional insulator for electrified railway contact net | |
| CN215208120U (en) | Sliding contact line device for pump station door machine | |
| CN212243039U (en) | Fixing structure of carrier cable anchoring device | |
| CN215705810U (en) | Insulating suspension structure and insulating contact net suspension system | |
| CN217320112U (en) | Rigid suspension contact net connecting device mounted on channel | |
| CN210082992U (en) | Small-limit cantilever positioning structure of contact network | |
| CN110616938B (en) | 500kV transmission single-circuit tangent tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |