CN211602383U - Contact net rigid dropper fatigue test device capable of simulating wind load working condition - Google Patents
Contact net rigid dropper fatigue test device capable of simulating wind load working condition Download PDFInfo
- Publication number
- CN211602383U CN211602383U CN202020212686.1U CN202020212686U CN211602383U CN 211602383 U CN211602383 U CN 211602383U CN 202020212686 U CN202020212686 U CN 202020212686U CN 211602383 U CN211602383 U CN 211602383U
- Authority
- CN
- China
- Prior art keywords
- contact net
- fatigue test
- dropper
- fixed
- rigid dropper
- 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
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a contact net rigid dropper fatigue test device capable of simulating wind load working condition, which comprises an upper positioning and clamping device and a lower supporting and guiding device; the upper positioning and clamping device comprises a sliding rail assembly which moves horizontally, and the top end of the rigid dropper body is fixed to the sliding rail assembly to move left and right in the horizontal direction; the lower support guide device comprises a slide rail assembly which moves vertically, and the bottom end of the rigid dropper body is fixed on the slide rail assembly and moves downwards along the vertical direction. The utility model discloses can simulate the horizontal hunting of rigidity dropper under the wind load effect to and the vertical vibration when pantograph passes through rigidity dropper, establish true operating mode environment for contact net rigidity dropper fatigue test, make the test result more accurate, more reliable.
Description
Technical Field
The utility model relates to a contact net technical field, concretely relates to can simulate contact net rigidity dropper fatigue test device of wind-load operating mode.
Background
The contact net is erected along an electrified railway and is specially used for providing an electric energy transmission structure for an electric locomotive or a motor train unit, wherein a dropper is a key component used for connecting a catenary with a contact line in the contact net, and the dropper is mainly used for determining the position of the contact line in space.
The contact suspension caused by strong wind and typhoon in areas such as Xinjiang, east coastal areas and the like has obvious vibration for a long time, the fatigue damage of key parts such as the rigid suspension string of the contact net is aggravated, if the rigid suspension string is broken due to fatigue, the damage of a pantograph and the power failure of an electric locomotive or a motor train unit are possibly caused, and further the railway transportation is interrupted.
Disclosure of Invention
The utility model aims at providing a can simulate contact net rigidity dropper fatigue test device of wind-load operating mode, objective simulation wind-load operating mode carries out fatigue test to contact net rigidity dropper.
The utility model discloses the technical scheme who adopts does:
the utility model provides a can simulate contact net rigidity dropper fatigue test device of wind-load operating mode which characterized in that:
the device comprises an upper positioning and clamping device and a lower supporting and guiding device;
the upper positioning and clamping device comprises a sliding rail assembly which moves horizontally, the top end of the rigid dropper body is fixed on the sliding rail assembly to move left and right along the horizontal direction, and the spatial swing of the rigid dropper under the action of strong wind is simulated;
the lower supporting and guiding device comprises a sliding rail assembly which moves vertically, the bottom end of the rigid dropper body is fixed to the sliding rail assembly and moves downwards along the vertical direction, and vertical vibration of the rigid dropper under the combined action of strong wind and a pantograph is simulated.
The sliding rail assembly of the upper positioning and clamping device comprises a U-shaped frame, the top ends of the two sides of the U-shaped frame are respectively fixed on an upper left sliding block and an upper right sliding block, the upper left sliding block and the upper right sliding block are respectively installed on an upper left guide rail and an upper right guide rail which are horizontally arranged and parallel to each other, and the top end of the rigid dropper body is fixed to the bottom of the U-shaped frame.
The U-shaped frame comprises a horizontal cross rod, a left vertical rod and a right vertical rod which are arranged at two ends of the cross rod, and the top ends of the left vertical rod and the right vertical rod are respectively fixed on the upper left sliding block and the upper right sliding block.
The cross bar is sleeved with an insulating sleeve, and the top end of the rigid dropper main line is wound and fixed outside the insulating sleeve.
And a left limiting sleeve and a right limiting sleeve are sleeved on the cross rods on the two sides of the insulating sleeve.
The lower part supports guider's slide rail set spare includes the bracket, and the upper and lower both ends at the bracket back are fixed with lower part top shoe and lower part gliding block, and the lower part top shoe all is installed on the lower part guide rail of vertical setting with the lower part gliding block.
The top of the lower upper sliding block is fixed with a horizontal table, a contact line matched with the rigid dropper wire clamp is arranged on the horizontal table, and the bottom end of the rigid dropper body is fixed on the lower upper sliding block.
The bracket is L-shaped, and a balancing weight is arranged on the front platform.
The bottom of the bracket is provided with a protective support.
The lower guide rail is fixed on the support back plate.
The utility model has the advantages of it is following:
the utility model discloses can simulate the horizontal hunting of rigidity dropper under the wind load effect to and the vertical vibration when pantograph passes through rigidity dropper, establish true operating mode environment for contact net rigidity dropper fatigue test, make the test result more accurate, more reliable.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is an experimental schematic diagram of the present invention.
In the figure, 1-upper left guide rail, 2-upper right guide rail, 3-upper left slide block, 4-upper right slide block, 5-left vertical rod, 6-right vertical rod, 7-cross rod, 8-left limit sleeve, 9-right limit sleeve, 10-insulating sleeve, 11-rigid dropper body, 12-lower guide rail, 13-contact line, 14-lower upper slide block, 15-lower slide block, 16-support back plate, 17-objective table, 18-protective support, 19-bracket and 20-counterweight block.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The utility model relates to a contact net rigid dropper fatigue test device capable of simulating wind load working condition, which comprises an upper positioning and clamping device and a lower supporting and guiding device; the upper positioning and clamping device comprises a sliding rail assembly which moves horizontally, the top end of the rigid dropper body 11 is fixed to the sliding rail assembly to move left and right along the horizontal direction, and the spatial swing of the rigid dropper under the action of strong wind is simulated; the lower supporting and guiding device comprises a sliding rail assembly which moves vertically, the bottom end of the rigid dropper body 11 is fixed to the sliding rail assembly and moves downwards along the vertical direction, and vertical vibration of the rigid dropper under the combined action of strong wind and a pantograph is simulated.
The slide rail assembly of the upper positioning and clamping device comprises a U-shaped frame, the top ends of the two sides of the U-shaped frame are respectively fixed on an upper left slide block 3 and an upper right slide block 4, the upper left slide block 3 and the upper right slide block 4 are respectively installed on an upper left guide rail 1 and an upper right guide rail 2 which are horizontally arranged and are parallel to each other, and the top end of a rigid dropper main line 11 is fixed to the bottom of the U-shaped frame. The U-shaped frame comprises a horizontal cross rod 7, a left vertical rod 5 and a right vertical rod 6 which are arranged at two ends of the cross rod 7, and the top ends of the left vertical rod 5 and the right vertical rod 6 are respectively fixed on the upper left sliding block 3 and the upper right sliding block 4. An insulating sleeve 10 is sleeved on the cross bar 7, and the top end of the rigid dropper main line 11 is wound and fixed outside the insulating sleeve 10. The cross rod 7 at two sides of the insulating sleeve 10 is sleeved with a left limiting sleeve 8 and a right limiting sleeve 9.
The slide rail assembly of the lower support guide device comprises a bracket 19, a lower upper slide block 14 and a lower slide block 15 are fixed at the upper end and the lower end of the back surface of the bracket 19, and the lower upper slide block 14 and the lower slide block 15 are both installed on a vertically arranged lower guide rail 12. The top of the lower upper slide block 14 is fixed with a horizontal table, a contact line 13 matched with the rigid suspension string wire clamp is arranged on the horizontal table, and the bottom end of the rigid suspension string main line 1 is fixed on the lower upper slide block 14. The bracket 19 is L-shaped, and a counterweight 20 is arranged on the front platform. The bottom of the bracket 19 is provided with a protective support 18. The lower guide rail 12 is fixed to a support back plate 16.
As shown in fig. 1 and 2:
the upper portion guide rail horizontal installation is on outside frame platform, the parallel isometric installation of two guide rails, the upper portion slider is the slider with the specification, the slider is installed respectively on the upper portion guide rail that corresponds, the montant is the vertical connecting rod of the same size model also, it is fixed to be connected with its slider that corresponds respectively, two montants are all installed and remain parallel throughout between the two along the direction of gravity, a horizontal pole 7 is connected simultaneously to two montants, horizontal pole 7 is installed on the horizontal plane, the insulating tube 10 horizontal installation of rigidity dropper is in the centre of horizontal pole 7, but rely on the spacing sleeve of opening lock to restrict its spatial position on horizontal pole 7 simultaneously. The whole upper positioning and clamping device is of a structure symmetrical along the midline, and has the main function of simulating the transverse swing of the rigid dropper under the action of transverse wind load.
The lower guide rail 12 is installed on a support back plate 16, the lower guide rail 12 is installed perpendicular to the horizontal plane, the working surface of the lower guide rail is parallel to the moving plane of the rigid dropper main line 11, the lower sliding block is installed on the lower guide rail, the sliding block is a sliding block with the same specification, a contact line matched with a rigid dropper wire clamp is installed on a horizontal table fixedly connected with the lower upper sliding block 14, the installation direction of the contact line is parallel to the working surface of the lower guide rail 12, the lower sliding block is fixedly connected through an L-shaped bracket 19, a balancing weight 20 required by subsequent tests can be placed on the bracket 19, and a protective support 18 is installed below the bracket 19 to prevent the movable part of the lower support guide device from falling down along the lower guide rail 12 without limitation by gravity due to sudden fracture. The main function is to simulate vertical wind and the vertical vibration of the pantograph when the pantograph passes through the rigid suspension string.
After the rigid dropper to be measured is installed on the cross rod 7 of the upper positioning and clamping device and naturally stands and stabilizes without external force, the working moving plane of the upper sliding block needs to be strictly parallel to the plane where the main line 11 of the rigid dropper is located, and the initial state is that the main line 11 of the rigid dropper to be measured is vertical to the horizontal plane.
The rigid dropper to be tested is mounted on the test apparatus and is set in an initial state, while a counterweight 20 of suitable weight is placed on the carriage 19, applying a periodic linear drive to the upper positioning and clamping device in the direction of the upper guide rail. In the initial state, the lower supporting and guiding device is at the lowest working height, when the upper positioning and clamping device is driven to the boundary state of a certain motion mode, the lower supporting and guiding device is at the highest working height in the motion mode, immediately, the motion direction is reversed, in the whole motion process, the upper positioning and clamping device periodically reciprocates between the two boundary states in the motion mode, and then the lower supporting and guiding device also performs periodic linear reciprocating motion along the lower guide rail 12.
The adjustable parameters of the test device are as follows: the frequency of the linear drive; any two different states between the limit states 1 and 2 can be used as boundary states of certain linear driving, namely the motion amplitude and the corresponding spatial position of the upper positioning and clamping device can be adjusted and set as required, and meanwhile, the driving mode of the device reserves the function of non-periodic linear motion; the total mass of the weight 20 on the carrier 19.
The content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (10)
1. The utility model provides a can simulate contact net rigidity dropper fatigue test device of wind-load operating mode which characterized in that:
the device comprises an upper positioning and clamping device and a lower supporting and guiding device;
the upper positioning and clamping device comprises a sliding rail assembly which moves horizontally, the top end of the rigid dropper body (11) is fixed to the sliding rail assembly to move left and right along the horizontal direction, and the spatial swing of the rigid dropper under the action of strong wind is simulated;
the lower supporting and guiding device comprises a sliding rail assembly which moves vertically, the bottom end of the rigid dropper body (11) is fixed to the sliding rail assembly and moves downwards along the vertical direction, and vertical vibration of the rigid dropper under the combined action of strong wind and a pantograph is simulated.
2. The contact net rigid dropper fatigue test device capable of simulating wind load working conditions according to claim 1, wherein:
the sliding rail assembly of the upper positioning and clamping device comprises a U-shaped frame, the top ends of the two sides of the U-shaped frame are fixed on an upper left sliding block (3) and an upper right sliding block (4) respectively, the upper left sliding block (3) and the upper right sliding block (4) are installed on an upper left guide rail (1) and an upper right guide rail (2) which are horizontally arranged and parallel to each other respectively, and the top end of a rigid dropper body (11) is fixed to the bottom of the U-shaped frame.
3. The contact net rigid dropper fatigue test device capable of simulating wind load working conditions according to claim 2, wherein:
the U-shaped frame comprises a horizontal cross rod (7), a left vertical rod (5) and a right vertical rod (6) which are arranged at two ends of the cross rod (7), and the top ends of the left vertical rod (5) and the right vertical rod (6) are respectively fixed on the upper left sliding block (3) and the upper right sliding block (4).
4. The contact net rigid dropper fatigue test device capable of simulating wind load working conditions according to claim 3, wherein:
an insulating sleeve (10) is sleeved on the cross rod (7), and the top end of the rigid dropper body (11) is wound and fixed outside the insulating sleeve (10).
5. The contact net rigid dropper fatigue test device capable of simulating wind load working conditions according to claim 4, wherein:
the transverse rods (7) on the two sides of the insulating sleeve (10) are sleeved with a left limiting sleeve (8) and a right limiting sleeve (9).
6. The contact net rigid dropper fatigue test device capable of simulating wind load working conditions according to claim 1, wherein:
the slide rail assembly of the lower support guide device comprises a bracket (19), a lower upper slide block (14) and a lower slide block (15) are fixed at the upper end and the lower end of the back face of the bracket (19), and the lower upper slide block (14) and the lower slide block (15) are both mounted on a lower guide rail (12) which is vertically arranged.
7. The contact net rigid dropper fatigue test device capable of simulating wind load working conditions according to claim 6, wherein:
the top of the lower upper sliding block (14) is fixed with a horizontal table, a contact line (13) matched with the rigid dropper wire clamp is arranged on the horizontal table, and the bottom end of the rigid dropper body (11) is fixed on the lower upper sliding block (14).
8. The contact net rigid dropper fatigue test device capable of simulating wind load working conditions according to claim 7, wherein:
the bracket (19) is L-shaped, and a balancing weight (20) is arranged on the front platform.
9. The contact net rigid dropper fatigue test device capable of simulating wind load working conditions according to claim 8, wherein:
the bottom of the bracket (19) is provided with a protective support (18).
10. The contact net rigid dropper fatigue test device capable of simulating wind load working conditions according to claim 9, wherein:
the lower guide rail (12) is fixed on the support back plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020212686.1U CN211602383U (en) | 2020-02-26 | 2020-02-26 | Contact net rigid dropper fatigue test device capable of simulating wind load working condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020212686.1U CN211602383U (en) | 2020-02-26 | 2020-02-26 | Contact net rigid dropper fatigue test device capable of simulating wind load working condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211602383U true CN211602383U (en) | 2020-09-29 |
Family
ID=72581554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020212686.1U Active CN211602383U (en) | 2020-02-26 | 2020-02-26 | Contact net rigid dropper fatigue test device capable of simulating wind load working condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211602383U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532820A (en) * | 2021-06-24 | 2021-10-22 | 中国铁道科学研究院集团有限公司 | Hydraulic multichannel dropper vibration fatigue test device |
| CN116773153A (en) * | 2022-05-14 | 2023-09-19 | 王宣 | High-speed railway contact net dropper fatigue testing machine under extreme weather condition |
| CN117906935A (en) * | 2024-03-18 | 2024-04-19 | 中铁电气化局集团有限公司 | Contact net hanger detection device and detection method |
-
2020
- 2020-02-26 CN CN202020212686.1U patent/CN211602383U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532820A (en) * | 2021-06-24 | 2021-10-22 | 中国铁道科学研究院集团有限公司 | Hydraulic multichannel dropper vibration fatigue test device |
| CN113532820B (en) * | 2021-06-24 | 2023-12-01 | 中国铁道科学研究院集团有限公司 | Hydraulic multi-channel hanger vibration fatigue test device |
| CN116773153A (en) * | 2022-05-14 | 2023-09-19 | 王宣 | High-speed railway contact net dropper fatigue testing machine under extreme weather condition |
| CN117906935A (en) * | 2024-03-18 | 2024-04-19 | 中铁电气化局集团有限公司 | Contact net hanger detection device and detection method |
| CN117906935B (en) * | 2024-03-18 | 2024-05-10 | 中铁电气化局集团有限公司 | Contact net hanger detection device and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211602383U (en) | Contact net rigid dropper fatigue test device capable of simulating wind load working condition | |
| CN109141857B (en) | Contact net hanger impact fatigue test tool and test method thereof | |
| CN102853989B (en) | Swing aeroelastic model and shock-test wind tunnel test method thereby | |
| CN105730993B (en) | The automatic censorship mechanism of double based on small-medium size liquid crystal panel | |
| CN200975925Y (en) | Equipment for testing magnetic levitation dynamic performance of high-temperature superconduction block | |
| CN111272409B (en) | Lower driving type integral hanger fatigue test device | |
| CN211061620U (en) | Experimental device for high-speed train pantograph self-adaptation active control | |
| CN115077833A (en) | Contact net locator vibration fatigue test system | |
| CN212082761U (en) | Vibration test device for rigid contact net supporting device | |
| CN111562076A (en) | Vibration test method and device for rigid contact net supporting device | |
| CN204044263U (en) | Pantograph contact line relation testing table | |
| CN219161630U (en) | Bicycle saddle shock-absorbing performance testing device | |
| CN113532820B (en) | Hydraulic multi-channel hanger vibration fatigue test device | |
| CN107631865B (en) | intelligent test bed for power equipment | |
| CN116735384A (en) | Porcelain insulator performance test equipment | |
| CN111351625A (en) | Pendant lump type integral dropper fatigue test device | |
| CN114383803B (en) | Wind tunnel test device for aerodynamic characteristics of pseudo-dynamic vehicle-bridge | |
| CN216053554U (en) | Anti-seismic simulation device for super high-rise assembled house installation structure | |
| CN211784241U (en) | Lower-driving type integral dropper fatigue test device | |
| CN211784156U (en) | Pendant lump type integral dropper fatigue test device | |
| CN210426969U (en) | Test bed for testing fatigue life of wrist arm type supporting device of rigid contact net | |
| CN102706727A (en) | Simulated test device for construction elevator cable | |
| CN117906935B (en) | Contact net hanger detection device and detection method | |
| CN216012664U (en) | Contact net pillar equivalent model vibration test platform | |
| CN219161594U (en) | Battery cell impact testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |