CN219687113U - Contact net overhauls ladder car - Google Patents
Contact net overhauls ladder car Download PDFInfo
- Publication number
- CN219687113U CN219687113U CN202321007003.9U CN202321007003U CN219687113U CN 219687113 U CN219687113 U CN 219687113U CN 202321007003 U CN202321007003 U CN 202321007003U CN 219687113 U CN219687113 U CN 219687113U
- Authority
- CN
- China
- Prior art keywords
- support plate
- contact net
- supporting plate
- ladder
- track
- 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
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 230000000670 limiting effect Effects 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 abstract description 26
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Ladders (AREA)
Abstract
The utility model discloses a contact net maintenance ladder car, which belongs to the field of maintenance ladder cars and comprises a ladder car platform, wherein four corners of the bottom of the ladder car platform are fixedly welded with an upper support plate through support columns, the bottom of the upper support plate is provided with a lower support plate, two wheel bridges are fixedly arranged at the bottom of the lower support plate, rotating shafts are rotatably connected in the two wheel bridges, track wheels are fixedly arranged at two ends of the rotating shafts, traction assemblies are arranged at two sides of the lower support plate between the two track wheels, the upper support plate can rotate at the top of the lower support plate, so that the ladder car platform has the capability of multidirectional rotation, not only can the maintenance of a line above a track be carried out along the trend of the track, but also the maintenance of lines at two sides of the track be carried out after the rotation, the maintenance surface of the contact net ladder car is improved, and the traction assemblies are arranged at two sides of the maintenance car, so that the risk of toppling due to high gravity center is reduced.
Description
Technical Field
The utility model relates to the field of maintenance ladders, in particular to a contact net maintenance ladder.
Background
The overhead contact system is a high-voltage power transmission line which is erected along the upper part of a steel rail in a zigzag shape and is used for current collection of a pantograph. The maintenance ladder car is commonly used in maintenance of the railway contact network, and is an important device in maintenance of the power supply contact network.
The existing maintenance ladder truck has various advantages, but the following defects are found to exist when the maintenance ladder truck is used:
1. the existing ladder car platforms of most maintenance ladder cars are usually arranged along the track direction, and maintenance staff can only walk on the ladder car platforms to maintain along the track direction, so that the maintenance surface is small, and the maintenance of contact net lines at two sides of the track is inconvenient;
2. because an maintainer needs to walk back and forth on the ladder car platform during maintenance, the ladder car platform is usually positioned at a higher position and has a higher gravity center, if the maintainer encounters weather such as strong wind, the risk of tilting of the maintenance ladder car is increased;
so we propose a contact net overhauling ladder car to solve the above-mentioned existing problems.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the utility model aims to provide a contact net maintenance ladder car, which is characterized in that a ladder car platform is welded on an upper supporting plate through a supporting column, and the upper supporting plate can rotate at the top of a lower supporting plate, so that the ladder car platform has the capability of multidirectional rotation, and can maintain a contact net line above a track along the trend of the track, and maintain contact net lines at two sides of the track after rotation, thereby improving the maintenance surface of the maintenance ladder car and increasing the convenience in use; and both sides of the overhaul ladder car are provided with traction components, so that the support arms, the telescopic rods, the pulleys and the traction springs in the traction components can be used for traction the overhaul ladder car at both sides of the lower support plate, the risk of toppling due to higher gravity center is reduced, and the pulleys are in sliding connection in the grooves of the track, so that the overhaul ladder car is not hindered from moving normally along the track.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a contact net overhauls ladder truck, includes the ladder truck platform, ladder truck platform bottom four corners has the upper backup pad through the support column fixed welding, just upper backup pad bottom is provided with the lower bolster, lower backup pad top central point puts through axle bed fixed mounting has the locating shaft, just the locating shaft top the mounting hole is inside to be seted up the mounting hole is inside to be fixedly installed with bearing, locating shaft top with bearing inside fixed mounting, lower backup pad bottom fixed mounting has two wheel bridges, and two wheel bridge are inside all to rotate and be connected with the pivot, pivot both ends all fixed mounting has the rail wheel, rail wheel bottom is provided with the track, is located two lower backup pad both sides between the rail wheel all are provided with the tractive subassembly;
the traction assembly comprises a support arm fixedly welded on one side of the lower support plate and a group of pulleys, the pulleys are rotationally connected through connecting sheets, a limiting assembly is fixedly arranged at the top of the upper support plate and positioned on one side of the positioning shaft, and the limiting assembly comprises a positioning bolt and a traction spring I sleeved on the periphery of the positioning bolt.
Further, the track is internally provided with a groove, one group of pulleys is connected with the groove in a sliding way, the top of the connecting piece is fixedly welded with a connecting end, one side of the connecting end is fixedly welded with a telescopic rod, and the other end of the telescopic rod is fixedly welded with one side of the bottom of the support arm.
Further, a second traction spring is sleeved on the outer side of the telescopic rod, and two ends of the second traction spring are fixedly connected with one side of the connecting end and one side of the bottom of the support arm respectively.
Further, a pin hole is formed in the upper supporting plate, a lower pressing plate is fixedly mounted at the top of the pin hole, the pin hole penetrates through the lower pressing plate, the bottom of the positioning bolt is in sliding connection with the inside of the pin hole, and the top and the bottom of the traction spring are fixedly connected with the top of the positioning bolt and the top of the lower pressing plate respectively.
Further, a plurality of positioning holes are formed in the top of the lower support plate corresponding to the bottom of the pin hole, and the positioning holes are uniformly formed in the periphery of the shaft seat.
Further, the periphery of one group of pulleys is sleeved with a mute rubber ring.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) According to the scheme, the ladder car platform is welded on the upper supporting plate through the supporting columns, the upper supporting plate can rotate at the top of the lower supporting plate, so that the ladder car platform has the capability of multidirectional rotation, the contact net lines above the track can be overhauled along the trend of the track, the contact net lines at the two sides of the track can be overhauled after rotation, the overhauling surface of the overhauling ladder car is improved, and the convenience in use is improved;
(2) According to the scheme, the traction assemblies are arranged on two sides of the overhaul ladder truck, so that the support arms, the telescopic rods, the pulleys and the traction springs in the traction assemblies can traction the overhaul ladder truck on two sides of the lower support plate, the risk of toppling due to high gravity center is reduced, the pulleys are in sliding connection in the grooves of the rails, and normal movement of the overhaul ladder truck along the rails is not hindered.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic view of a limiting assembly according to the present utility model;
fig. 4 is a schematic cross-sectional view of the joint between the upper support plate and the lower support plate of the present utility model.
The reference numerals in the figures illustrate:
1. a ladder truck platform;
2. a support column;
3. an upper support plate; 301. a bearing; 302. a pin hole;
4. a lower support plate; 401. a shaft seat; 402. positioning holes;
5. positioning a shaft;
6. a rail wheel;
7. a track; 701. a groove;
8. a pulling assembly; 801. a support arm; 802. a pulley; 803. a connecting sheet; 804. a connection end; 805. a telescopic rod; 806. pulling the second spring;
9. a limit component; 901. positioning a bolt; 902. pulling the first spring; 903. and (5) a lower pressing plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Example 1:
referring to fig. 1-4, a contact net overhauling ladder truck comprises a ladder truck platform 1, an upper supporting plate 3 is fixedly welded at four corners at the bottom of the ladder truck platform 1 through supporting columns 2, a lower supporting plate 4 is arranged at the bottom of the upper supporting plate 3, a positioning shaft 5 is fixedly installed at the center position of the top of the lower supporting plate 4 through a shaft seat 401, a mounting hole is formed in the upper supporting plate 3 corresponding to the top of the positioning shaft 5, a bearing 301 is fixedly installed in the mounting hole, the top of the positioning shaft 5 and the bearing 301 are fixedly installed in the mounting hole, two wheel bridges are fixedly installed at the bottom of the lower supporting plate 4, rotating shafts are rotatably connected in the two wheel bridges, rail wheels 6 are fixedly installed at two ends of the rotating shafts, rails 7 are arranged at the bottom of the rail wheels 6, traction assemblies 8 are arranged at two sides of the lower supporting plate 4 between the two rail wheels 6, each traction assembly 8 comprises a supporting arm 801 and a group of pulleys 802 fixedly welded at one side of the lower supporting plate 4, a group of pulleys 802 are rotatably connected through connecting pieces, a limiting assembly 9 is fixedly arranged at the top of the upper supporting plate 3 at one side of the positioning shaft 5, and the limiting assembly 901 comprises a supporting arm 803 and a traction spring 803 is sleeved at the periphery.
When the maintenance ladder car is used, the maintenance ladder car is placed on the track 7, the track wheel 6 is just clamped at the top of the track 7, at the moment, the maintenance ladder car can be pushed along the trend of the track 7, meanwhile, one group of pulleys 802 of the traction assembly 8 are pulled outwards, one side of the group of pulleys 802 can be clamped inside the groove 701 of the track 7, at the moment, the traction spring II 806 of the traction assembly 8 can be used for traction the group of pulleys 802, one group of pulleys 802 is tightly attached to one side of the inner wall of the groove 701 to slide, at the same time, the top of the group of pulleys 802 can be clamped with the top of the inner wall of the groove 701, the group of pulleys 802 are prevented from derailing, and the traction anti-toppling effect of the maintenance ladder car is achieved;
when the contact net lines on two sides of the track 7 are required to be overhauled, the positioning bolts 901 of the limiting assemblies 9 are lifted upwards, then the upper supporting plate 3 is rotated, the upper supporting plate 3 and the lower supporting plate 4 are in a vertical state, and further the ladder car platform 1 and the track 7 are vertical, so that overhauling staff can conveniently stand on the ladder car platform 1 to overhaul the contact net lines on two sides of the track 7, then the positioning bolts 901 are loosened, and the first traction spring 902 pulls the positioning bolts 901 to be inserted into the corresponding positioning holes 402, so that the limiting effect is achieved.
Example 2:
in view of the above embodiment 1, further describing fig. 2, a groove 701 is provided in the track 7, one side of a set of pulleys 802 is slidably connected with the groove 701, a connecting end 804 is fixedly welded to the top of the connecting piece 803, a telescopic rod 805 is fixedly welded to one side of the connecting end 804, the other end of the telescopic rod 805 is fixedly welded to one side of the bottom of the support arm 801, a second pulling spring 806 is sleeved on the outer side of the telescopic rod 805, two ends of the second pulling spring 806 are fixedly connected to one side of the connecting end 804 and one side of the bottom of the support arm 801 respectively, and a mute rubber ring is sleeved on the periphery of the set of pulleys 802.
The connecting piece 803 that plays through setting up plays the effect to a set of pulley 802 installation, makes things convenient for a set of pulley 802 to rotate in the connecting piece 803 bottom, and traction spring two 806 can pull a set of pulley 802 and shrink along the flexible direction of telescopic link 805, makes things convenient for making a set of pulley 802 hug closely the inside removal of the recess 701 of track 7, prevents to take place derailment.
Example 3:
in view of the above embodiment 1 and embodiment 2, as further described with reference to fig. 3 and 4, the upper support plate 3 is internally provided with a pin hole 302, the top of the pin hole 302 is fixedly provided with a lower pressing plate 903, the pin hole 302 penetrates through the lower pressing plate 903, the bottom of the positioning bolt 901 is slidably connected with the pin hole 302, the top and the bottom of the first traction spring 902 are respectively fixedly connected with the top of the positioning bolt 901 and the top of the lower pressing plate 903, the top of the lower support plate 4 corresponding to the bottom of the pin hole 302 is provided with a plurality of positioning holes 402, and the plurality of positioning holes 402 are uniformly formed on the periphery of the shaft seat 401.
The setting of holding down plate 903 is convenient installs spacing subassembly 9, and the seting up of a plurality of locating hole 402 can make the inside joint of locating bolt 901 and corresponding locating hole 402 to reach spacing purpose.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. The utility model provides a contact net overhauls ladder car, includes ladder car platform (1), its characterized in that: the four corners of the bottom of the ladder car platform (1) are fixedly welded with an upper supporting plate (3) through supporting columns (2), the bottom of the upper supporting plate (3) is provided with a lower supporting plate (4), the center position of the top of the lower supporting plate (4) is fixedly provided with a positioning shaft (5) through a shaft seat (401), a mounting hole is formed in the upper supporting plate (3) corresponding to the top of the positioning shaft (5), a bearing (301) is fixedly arranged in the mounting hole, the top of the positioning shaft (5) is fixedly arranged in the bearing (301), two wheel axles are fixedly arranged at the bottom of the lower supporting plate (4), two wheel axles are rotatably connected in the wheel axles, rail wheels (6) are fixedly arranged at two ends of the rotating shaft, rails (7) are arranged at the bottom of the rail wheels (6), and traction assemblies (8) are arranged on two sides of the lower supporting plate (4) between the rail wheels (6);
the traction assembly (8) comprises a support arm (801) fixedly welded on one side of the lower support plate (4) and a group of pulleys (802), the pulleys (802) are rotationally connected through connecting sheets (803), a limiting assembly (9) is fixedly arranged at the top of the upper support plate (3) on one side of the positioning shaft (5), and the limiting assembly (9) comprises a positioning bolt (901) and a traction spring I (902) sleeved on the periphery of the positioning bolt (901).
2. A contact net service ladder truck according to claim 1, characterized in that: the novel lifting device is characterized in that grooves (701) are formed in the track (7), one side of each pulley (802) is connected with the inside of each groove in a sliding mode, a connecting end (804) is fixedly welded at the top of each connecting piece (803), a telescopic rod (805) is fixedly welded at one side of each connecting end (804), and the other end of each telescopic rod (805) is fixedly welded with one side of the bottom of each supporting arm (801).
3. A contact net service ladder truck according to claim 2, characterized in that: and a second traction spring (806) is sleeved on the outer side of the telescopic rod (805), and two ends of the second traction spring (806) are fixedly connected with one side of the connecting end (804) and one side of the bottom of the support arm (801) respectively.
4. A contact net service ladder truck according to claim 1, characterized in that: the upper support plate (3) is internally provided with a pin hole (302), the top of the pin hole (302) is fixedly provided with a lower pressing plate (903), the pin hole (302) is penetrated through the inside of the lower pressing plate (903), the bottom of the positioning bolt (901) is in sliding connection with the inside of the pin hole (302), and the top and the bottom of the first traction spring (902) are respectively fixedly connected with the top of the positioning bolt (901) and the top of the lower pressing plate (903).
5. The overhead contact system overhaul ladder truck as claimed in claim 4, wherein: a plurality of positioning holes (402) are formed in the top of the lower support plate (4) corresponding to the bottom of the pin hole (302), and the positioning holes (402) are uniformly formed in the periphery of the shaft seat (401).
6. A contact net service ladder truck according to claim 1, characterized in that: a set of pulleys (802) are sleeved with a mute rubber ring at the periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007003.9U CN219687113U (en) | 2023-04-27 | 2023-04-27 | Contact net overhauls ladder car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007003.9U CN219687113U (en) | 2023-04-27 | 2023-04-27 | Contact net overhauls ladder car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219687113U true CN219687113U (en) | 2023-09-15 |
Family
ID=87968352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321007003.9U Active CN219687113U (en) | 2023-04-27 | 2023-04-27 | Contact net overhauls ladder car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219687113U (en) |
-
2023
- 2023-04-27 CN CN202321007003.9U patent/CN219687113U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109264620B (en) | Multifunctional highway and railway dual-purpose overhead working truck for railway electrification construction | |
| CN111071295A (en) | Bogie maintenance operation platform of straddle type monorail train | |
| CN111719836A (en) | Safe lifting device for high-voltage power grid line detection | |
| CN109176425B (en) | Mobile maglev train body support frame and train erecting method | |
| CN219687113U (en) | Contact net overhauls ladder car | |
| CN214299153U (en) | Lifting platform for installing curtain wall board in rail traveling area | |
| CN111764613A (en) | High-altitude equipment installation device in rail traveling area of rail transit engineering and construction method | |
| CN110758421B (en) | Vehicle maintenance vehicle suitable for air rail transit system | |
| CN111807237A (en) | Overhauling device suitable for replacing M2000 type high-pressure flexible straight converter valve submodule and working method thereof | |
| CN214828507U (en) | General gantry crane with safety brake | |
| CN113153230B (en) | Belt type oil pumping machine moving device | |
| CN216638782U (en) | Movable vehicle body lifting support | |
| CN211617724U (en) | Bogie maintenance operation platform of straddle type monorail train | |
| CN215395174U (en) | Active carbon adsorption box overhauls device | |
| CN212799534U (en) | Fixed lifting type head car maintenance platform | |
| CN216336334U (en) | Brake unit dismounting elevator | |
| CN221162781U (en) | EMUs framework overhauls strutting arrangement | |
| CN220976499U (en) | Lifting device for electric power construction | |
| CN217732502U (en) | Manual pantograph lifting sling for pantograph of railway passenger car | |
| CN219929363U (en) | Bridge girder erection machine lifting appliance for lifting bridge pier | |
| CN219194433U (en) | Lifting equipment | |
| CN219045068U (en) | Wire rod unwrapping wire slide rail frame | |
| CN215548322U (en) | Axle box removes strutting arrangement | |
| CN117142338A (en) | X-shaped multifunctional bogie falling and combining device with pivoted axle box | |
| CN214215773U (en) | Coupling disassembling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |