CN111775780A - Railway contact net structure that contact is stable to prevent rocking - Google Patents
Railway contact net structure that contact is stable to prevent rocking Download PDFInfo
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- CN111775780A CN111775780A CN202010769879.1A CN202010769879A CN111775780A CN 111775780 A CN111775780 A CN 111775780A CN 202010769879 A CN202010769879 A CN 202010769879A CN 111775780 A CN111775780 A CN 111775780A
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- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 7
- 230000002265 prevention Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 3
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000761557 Lamina Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/28—Manufacturing or repairing trolley lines
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to the technical field of railway power grids, in particular to a railway contact net structure with stable contact and shaking prevention, which comprises a counterweight base, wherein a bearing frame is arranged on the top surface of the counterweight base, the top end of the bearing frame is connected to the surface of a building ring, the building ring is provided with a plurality of building rings which are distributed in an up-down arrangement manner, a connecting support rod is arranged between every two adjacent building rings, a stand column is arranged on the top surface of the building ring at the upper end, the top surface of the stand column is fixed on the bottom surface of a cloud platform frame, and a retraction groove is formed in the bottom surface; the beneficial effects are that: the railway contact net structure with stable contact and shaking prevention provided by the invention optimizes the supporting structure of the traditional contact net aerial ladder, adopts a plurality of building rings with progressively reduced sizes to configure a plurality of groups of connecting supporting rods which are annularly arranged to form a table-shaped maintenance frame, and the bottom end of the table-shaped maintenance frame is additionally provided with a bearing frame to be connected with a counterweight base, so that the gravity center of the whole device moves downwards, and the frame body is prevented from toppling over when in use.
Description
Technical Field
The invention relates to the technical field of railway power grids, in particular to a railway contact network structure with stable contact and anti-shaking functions.
Background
Along with the rapid development and promotion of economic strength in China, the railway operation business in China also obtains unprecedented development and progress, but a series of problems exist while continuously expanding and advancing, wherein an electrified railway contact network is taken as an important use and operation link, so that the whole electrified railway operation link is influenced by the important function of the electrified railway contact network from the aspects of initial design assembly and processing, later maintenance, technical treatment in construction and the like; a line erected along an electrified railway for supplying power to an electric locomotive or a group of electric locomotives. Because the electric locomotive receives electric energy from the contact net in a moving state, the contact net is required to be safe and reliable and have good elasticity, so that uninterrupted power supply and high wear resistance and corrosion resistance are ensured. The general contact network of the electrified railway is an overhead flexible cable type (also adopts a rigid type), and consists of a contact suspension device, a supporting device and the like.
In the prior art, railway overhead lines need to be overhauled regularly for safe operation of railway trains, overhead lines are often used for work, the height of a traditional overhead line is large, so that the gravity center is high and easy to topple over, and four workers need to support the overhead lines below the overhead line, so that the requirement on the number of labor force for overhauling work is high; the traditional overhead line ladder is lack of a braking structure, so that the overhead line ladder is inconvenient to brake at fixed points; and traditional contact net aerial ladder's rail wheel is not convenient for walk on ground, so it is big to contact net transfer the degree of difficulty.
Disclosure of Invention
The invention aims to provide a railway contact net structure with stable contact and shaking prevention, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a railway contact net structure with stable contact and shaking prevention comprises a balance weight base, wherein a bearing frame is arranged on the top surface of the balance weight base, the top end of the bearing frame is connected to the surface of a building ring, the building ring is provided with a plurality of building rings which are distributed in an up-down arrangement manner, a connecting support rod is arranged between every two adjacent building rings, a stand column is arranged on the top surface of the building ring at the upper end, the top surface of the stand column is fixed on the bottom surface of a cloud stand, a folding and unfolding groove is formed in the bottom surface of the balance weight base, a connecting plate is arranged inside the folding and unfolding groove, walking wheels are arranged on the bottom surface of the connecting plate, a supporting screw rod is arranged on the top surface of the connecting plate, a limiting ring is sleeved on the outer side of the supporting screw rod, a rotating handle is arranged on the top end of the supporting screw rod, the end part of the external extending column is sleeved with a first bearing, the outer ring of the first bearing is fixed in the first bearing groove, the first bearing groove is arranged on the surface of the rail wheel, the rail wheel is connected with the top surface of the rail in a rolling way, and a compensation plate is arranged above the track wheel, the compensation plate is fixed on the surface of the counterweight base, a wing plate is arranged on the surface of the counterweight base, the bottom surface of the wing plate is provided with a foot pad, the surface of the wing plate is inserted with a sleeve, the inside of the sleeve is inserted with a clamping screw, one end of the clamping screw rod is sleeved with a second bearing, the second bearing is fixed in a second bearing groove, the second bearing groove is formed in the surface of the push plate, the brake plate is arranged on the surface of the push plate, the other end of the clamping screw is provided with the screwing handle, the guide rod is arranged on the surface of the push plate and is inserted into the butt joint insertion hole, and the butt joint insertion hole is formed in the surface of the wing plate.
Preferably, the counterweight base is in a convex platy structure, the bearing frame is in an inverted V-shaped structure, the top surface of the bearing frame is an arc curved surface, the bearing frame is provided with a plurality of bearing frames, and the bearing frames are distributed in an annular arrangement along the building ring at the bottom end of the bearing frames at equal intervals.
Preferably, the building rings are of annular structures, the building rings decrease in size from bottom to top, the connecting support rods are arranged in a plurality of numbers, and the connecting support rods are distributed in an annular arrangement mode along the building rings at equal intervals.
Preferably, receive and release the groove and be circular cylinder structure, receive and release the groove and be provided with a plurality ofly, a plurality ofly receive and release the groove and be square range distribution, the connecting plate is circular cylinder structure, and the walking wheel is provided with threely, and the spacing ring is ring structure, and the support screw is with the spiro union of penetrating department of counter weight base.
Preferably, the rotating handle comprises a central plate, the central plate is of a circular plate-shaped structure and is fixed at the top end of the supporting screw rod, a connecting rod is arranged on the side wall of the central plate, the other end of the connecting rod is connected to the inner annular surface of the holding ring, the holding ring is of a circular ring-shaped structure, a plurality of connecting rods are arranged, and the connecting rods are distributed in a circumferential arrangement.
Preferably, the outward extending columns are of circular column structures, the outward extending columns are arranged in a plurality of numbers, the outward extending columns are distributed on the side wall of the counterweight base in a square mode, the compensation plate is of an arc-shaped plate structure, and steel balls are embedded into the inner ring surface of the compensation plate.
Preferably, the pterygoid lamina is "L" shaped plate column structure, and the pterygoid lamina is provided with two, and two pterygoid laminas are about counter weight base symmetric distribution, and the sleeve pipe is the pipe column structure, and sheathed tube inner ring face is provided with the internal thread, and the push pedal is square platelike structure, and the guide bar is circular cylinder structure, and the guide bar is provided with a plurality ofly, and a plurality of guide bars are square range distribution.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:
1. the railway contact net structure with stable contact and shaking prevention provided by the invention optimizes the supporting structure of the traditional contact net aerial ladder, adopts a plurality of building rings with progressively reduced sizes to configure a plurality of groups of connecting supporting rods which are annularly arranged to form a table-shaped maintenance frame, and the bottom end of the table-shaped maintenance frame is additionally provided with a bearing frame to be connected with a counterweight base, so that the gravity center of the whole device moves downwards, and the frame body is prevented from toppling over when in use;
2. the rail contact net structure with stable contact and anti-shaking functions is additionally provided with wing plate installation braking structures at two sides of the counterweight base, namely, a clamping screw is screwed to drive a push plate to extrude a braking plate on the surface of a rail to increase friction, so that the rail wheel is prevented from continuously advancing along the rail, and a penetrating guide rod is additionally arranged between the push plate and the wing plates to prevent the push plate from deflecting during translation;
3. according to the railway contact net structure with stable contact and shaking prevention, the bottom surface of the counterweight base is provided with the connection plate which is stored and folded in the retraction groove, the support screw is screwed downwards to push the connection plate to be separated from the retraction groove until the limiting ring is in lap joint with the surface of the counterweight base, and the travelling wheel supports the ground at the moment, so that the whole device is convenient to push to transfer.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a connection plate according to the present invention;
FIG. 3 is a schematic view of the structure of a wing panel of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1;
fig. 5 is a schematic view of the structure of the rotating handle of the present invention.
In the figure: the balance weight base 1, the bearing frame 2, the building ring 3, the connecting support rod 4, the upright post 5, the cloud platform 6, the accommodating groove 7, the connecting plate 8, the walking wheel 9, the supporting screw rod 10, the limiting ring 11, the rotating handle 12, the central plate 13, the connecting rod 14, the holding ring 15, the extending column 16, the reinforcing rib plate 17, the first bearing 18, the first bearing groove 19, the rail wheel 20, the rail 21, the compensating plate 22, the steel ball 23, the wing plate 24, the foot pad 25, the sleeve 26, the clamping screw 27, the second bearing 28, the second bearing groove 29, the push plate 30, the brake plate 31, the screwing handle 32, the guide rod 33 and the butt joint jack 34.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a railway contact net structure with stable contact and shaking prevention comprises a balance weight base 1, wherein a bearing frame 2 is welded on the top surface of the balance weight base 1, the top end of the bearing frame 2 is welded on the surface of a building ring 3, the balance weight base 1 is of a convex platy structure, the bearing frame 2 is of an inverted V-shaped structure, the top surface of the bearing frame 2 is of a circular arc curved surface, a plurality of bearing frames 2 are arranged, the same size is distributed along the building ring 3 at the bottom end of the bearing frames at equal intervals, the building rings 3 are arranged in an annular mode, the building rings 3 are distributed in an upper-lower arrangement mode, a plurality of connecting support rods 4 are welded between every two adjacent building rings 3, the building rings 3 are of an annular structure, the sizes of the building rings 3 from bottom to top are gradually decreased, the connecting support rods 4 are arranged in a plurality of equal sizes, the connecting support rods 4 are distributed in an annular arrangement mode along the building rings 3 at, the top surface of the upright post 5 is welded on the bottom surface of the cloud stand 6, the gravity center of a table-shaped frame formed by matching a plurality of building rings 3 with gradually decreased sizes from bottom to top with a plurality of groups of connecting support rods 4 which are annularly arranged is low, and the bottom end of the table-shaped frame is additionally provided with the bearing frame 2 to be connected with the counterweight base 1, so that compared with the traditional contact net aerial ladder, the gravity center of the device is low and the device is not easy to topple;
the bottom surface of the counterweight base 1 is provided with a retraction groove 7, a connecting plate 8 is arranged inside the retraction groove 7, walking wheels 9 are welded on the bottom surface of the connecting plate 8, supporting screws 10 are welded on the top surface of the connecting plate 8, a limiting ring 11 is sleeved on the outer side of each supporting screw 10, the retraction groove 7 is of a circular cylinder structure, a plurality of retraction grooves 7 are arranged, the plurality of retraction grooves 7 are arranged in a square arrangement, the connecting plate 8 is of a circular cylinder structure, three walking wheels 9 are arranged, the limiting rings 11 are of a circular ring structure, the supporting screws 10 are in threaded connection with the penetration part of the counterweight base 1, the top end of each supporting screw 10 is welded with a rotating handle 12, each rotating handle 12 comprises a central plate 13, each central plate 13 is of a circular plate-shaped structure, each central plate 13 is fixed on the top end of each supporting screw 10, the side wall of, a plurality of connecting rods 14 are arranged and distributed in a circumferential shape, after the frame body is lifted to the ground from the rail 21, the support screws 10 are sequentially screwed downwards to push the connecting plate 8 out of the retraction slot 7 until the limiting ring 11 is lapped on the surface of the counterweight base 1, at the moment, the walking wheels 9 support the bottom ground, the pushing device is convenient to move, two workers are required to work cooperatively when the plurality of groups of support screws 10 are adjusted, one worker supports the frame body, and the frame body is prevented from toppling;
an outward extending column 16 is welded on the surface of the counterweight base 1, a reinforcing rib plate 17 is welded on the surface of the outward extending column 16, the reinforcing rib plate 17 is welded on the surface of the counterweight base 1, a first bearing 18 is sleeved on the end part of the outward extending column 16, the outer ring of the first bearing 18 is fixed in a first bearing groove 19, the first bearing groove 19 is arranged on the surface of a track wheel 20, the track wheel 20 is connected on the top surface of a track 21 in a rolling manner, a compensation plate 22 is arranged above the track wheel 20, the compensation plate 22 is welded on the surface of the counterweight base 1, the outward extending column 16 is of a circular column structure, a plurality of outward extending columns 16 are arranged on the side wall of the counterweight base 1 in a square manner, the compensation plate 22 is of an arc-shaped plate structure, steel balls 23 are embedded in the inner ring surface of the compensation plate 22, a wing plate 24 is welded on the surface of the counterweight base 1, a foot pad 25 is adhered to the, a clamping screw 27 is inserted into the sleeve 26, a second bearing 28 is sleeved on one end of the clamping screw 27, the second bearing 28 is fixed in a second bearing groove 29, the second bearing groove 29 is arranged on the surface of a push plate 30, a brake plate 31 is arranged on the surface of the push plate 30, a screwing handle 32 is arranged at the other end of the clamping screw 27, a guide rod 33 is welded on the surface of the push plate 30, the guide rod 33 is inserted into a butt-joint insertion hole 34, the butt-joint insertion hole 34 is arranged on the surface of a wing plate 24, the wing plates 24 are in an L-shaped plate structure, the wing plates 24 are arranged in two numbers, the two wing plates 24 are symmetrically distributed relative to the counterweight base 1, the sleeve 26 is in a round-tube structure, internal threads are arranged on the inner annular surface of the sleeve 26, the push plate 30 is in a square-plate structure, the guide rod 33 is in a round-cylinder structure, the guide rods 33 are, the end of the clamping screw 27 drives the inner ring of the second bearing 28 to rotate, and the push plate 30 is limited by the plurality of groups of guide rods 33 and cannot deviate, so that along with the propulsion of the clamping screw 27, the push plate 30 pushes the brake plate 31 on the surface of the rail 21 to brake the rail wheel 20, and the push plate 30 is supported on two sides of the rail 21 to avoid tilting of the counterweight base 1.
The working principle is as follows: in practical use, referring to fig. 1, a platform-shaped frame formed by matching a plurality of building rings 3 with decreasing sizes from bottom to top with a plurality of groups of connecting support rods 4 arranged in an annular shape has a low center of gravity, and the bottom end of the platform-shaped frame is additionally provided with a bearing frame 2 to be connected with a counterweight base 1, so that compared with a traditional overhead line ladder, the device has a low center of gravity and is not easy to topple, a screwing handle 32 drives a clamping screw 27 to advance along a sleeve 26, the end part of the clamping screw 27 drives an inner ring of a second bearing 28 to rotate, and a push plate 30 is limited by a plurality of groups of guide rods 33 and cannot shift, so that along with the advance of the clamping screw 27, the push plate 30 pushes a brake plate 31 on the surface of a rail 21 to brake the rail wheel 20, and the push plate 30 is; after the frame body is lifted to the ground from the rail 21, the support screws 10 are sequentially screwed downwards to push the connecting plate 8 out of the retraction slot 7 until the limiting ring 11 is lapped on the surface of the counterweight base 1, the walking wheels 9 support the bottom ground at the moment, the pushing device is convenient to move, two workers are required to work in cooperation when the multiple groups of support screws 10 are adjusted, one worker supports the frame body, and the frame body is prevented from toppling.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a railway contact net structure that anti-sway is stabilized in contact, includes counter weight base (1), its characterized in that: the top surface of the counterweight base (1) is provided with a bearing frame (2), the top end of the bearing frame (2) is connected to the surface of a building ring (3), the building ring (3) is provided with a plurality of building rings (3) which are distributed in an up-down arrangement manner, a connecting support rod (4) is arranged between every two adjacent building rings (3), the top surface of the building ring (3) at the upper end is provided with a stand column (5), the top surface of the stand column (5) is fixed on the bottom surface of a cloud platform frame (6), the bottom surface of the counterweight base (1) is provided with a folding and unfolding groove (7), a connecting plate (8) is arranged inside the folding and unfolding groove (7), the bottom surface of the connecting plate (8) is provided with traveling wheels (9), the top surface of the connecting plate (8) is provided with a supporting screw rod (10), the outer side of the supporting screw rod (10) is sleeved with a, an outward extending column (16) is arranged on the surface of the counterweight base (1), a reinforcing rib plate (17) is arranged on the surface of the outward extending column (16), the reinforcing rib plate (17) is fixed on the surface of the counterweight base (1), a first bearing (18) is sleeved at the end part of the outward extending column (16), the outer ring of the first bearing (18) is fixed in a first bearing groove (19), the first bearing groove (19) is formed in the surface of a track wheel (20), the track wheel (20) is connected to the top surface of a rail (21) in a rolling manner, a compensating plate (22) is arranged above the track wheel (20), the compensating plate (22) is fixed on the surface of the counterweight base (1), a wing plate (24) is arranged on the surface of the counterweight base (1), a foot pad (25) is arranged on the bottom surface of the wing plate (24), a sleeve (26) is inserted into the surface of the wing plate (24), and a clamping screw (27) is inserted into the sleeve (26, one end of the clamping screw rod (27) is sleeved with a second bearing (28), the second bearing (28) is fixed in a second bearing groove (29), the second bearing groove (29) is formed in the surface of the push plate (30), a brake plate (31) is arranged on the surface of the push plate (30), a screwing handle (32) is arranged at the other end of the clamping screw rod (27), a guide rod (33) is arranged on the surface of the push plate (30), the guide rod (33) is inserted into the butt joint insertion hole (34), and the butt joint insertion hole (34) is formed in the surface of the wing plate (24).
2. The contact stabilized anti-sway railway contact net structure of claim 1, wherein: the counter weight base (1) is a 'convex' plate-shaped structure, the bearing frame (2) is an inverted 'V' -shaped structure, the top surface of the bearing frame (2) is a circular arc-shaped curved surface, the bearing frame (2) is provided with a plurality of bearing frames, and the bearing frames (2) are distributed in an annular arrangement mode along the building ring (3) at the bottom end of the bearing frames in equal intervals.
3. The contact stabilized anti-sway railway contact net structure of claim 1, wherein: the building rings (3) are of annular structures, the building rings (3) decrease progressively from bottom to top in size, the connecting support rods (4) are arranged in a plurality of numbers, and the connecting support rods (4) are equidistantly distributed in an annular arrangement mode along the building rings (3).
4. The contact stabilized anti-sway railway contact net structure of claim 1, wherein: receive and release groove (7) and be circular cylinder structure, receive and release groove (7) and be provided with a plurality ofly, a plurality ofly receive and release groove (7) and be square range distribution, connecting plate (8) are circular cylinder structure, and walking wheel (9) is provided with threely, and spacing ring (11) are the ring structure, and support screw (10) and the spiro union of the department of running through of counter weight base (1).
5. The contact stabilized anti-sway railway contact net structure of claim 1, wherein: the rotating handle (12) comprises a central plate (13), the central plate (13) is of a circular plate-shaped structure, the central plate (13) is fixed to the top end of the supporting screw rod (10), a connecting rod (14) is arranged on the side wall of the central plate (13), the other end of the connecting rod (14) is connected to the inner ring surface of a holding ring (15), the holding ring (15) is of a circular ring-shaped structure, the connecting rods (14) are arranged in a plurality, and the connecting rods (14) are distributed in a circumferential arrangement mode.
6. The contact stabilized anti-sway railway contact net structure of claim 1, wherein: the outer extending columns (16) are of a circular column structure, the outer extending columns (16) are arranged in a plurality of numbers, the outer extending columns (16) are distributed on the side wall of the counterweight base (1) in a square mode, the compensating plate (22) is of a circular arc plate-shaped structure, and steel balls (23) are installed on the inner ring surface of the compensating plate (22) in an embedded mode.
7. The contact stabilized anti-sway railway contact net structure of claim 1, wherein: pterygoid lamina (24) are "L" shaped plate column structure, and pterygoid lamina (24) are provided with two, and two pterygoid lamina (24) are about counter weight base (1) symmetric distribution, and sleeve pipe (26) are the pipe column structure, and the interior anchor ring of sleeve pipe (26) is provided with the internal thread, and push pedal (30) are square platelike structure, and guide bar (33) are circular cylinder structure, and guide bar (33) are provided with a plurality ofly, and a plurality of guide bar (33) are square and arrange the distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010769879.1A CN111775780A (en) | 2020-08-04 | 2020-08-04 | Railway contact net structure that contact is stable to prevent rocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010769879.1A CN111775780A (en) | 2020-08-04 | 2020-08-04 | Railway contact net structure that contact is stable to prevent rocking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111775780A true CN111775780A (en) | 2020-10-16 |
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ID=72766800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010769879.1A Pending CN111775780A (en) | 2020-08-04 | 2020-08-04 | Railway contact net structure that contact is stable to prevent rocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111775780A (en) |
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|---|---|---|---|---|
| GB777889A (en) * | 1954-05-17 | 1957-06-26 | William Hamilton Albee | An improved vehicle |
| US4007801A (en) * | 1976-02-06 | 1977-02-15 | Crowley All Terrain Corporation | Suspension for vehicles |
| DE102013008873A1 (en) * | 2013-05-27 | 2014-11-27 | Anselm Lischka | Suspension with extreme soil protection |
| CN204472598U (en) * | 2015-01-23 | 2015-07-15 | 上海铁路局合肥供电段 | A kind of foot of ladder retractor device for electrification railway contact net tool car ladder |
| CN204472596U (en) * | 2015-01-23 | 2015-07-15 | 上海铁路局合肥供电段 | A kind of railway contact line tool car ladder with grabbing rail function |
| CN105751920A (en) * | 2016-03-02 | 2016-07-13 | 湖南华铝机械技术有限公司 | Intelligent multifunctional overhead contact system operation tower wagon |
| CN108657201A (en) * | 2018-06-25 | 2018-10-16 | 吴宁 | A kind of multi-functional subway repair car of electric power |
| CN208558873U (en) * | 2018-06-27 | 2019-03-01 | 阳江市威必达脚轮制造有限公司 | A kind of mobile wheel construction of traffic construction installing engineering |
| CN209700441U (en) * | 2019-01-11 | 2019-11-29 | 辽宁铁道职业技术学院 | Contact net for power supplying support device |
| CN110949426A (en) * | 2019-12-16 | 2020-04-03 | 许俊杰 | Rail trolley for railway track maintenance |
| CN111392658A (en) * | 2020-03-30 | 2020-07-10 | 青岛嘉恒新能源设备有限公司 | Tower drum convenient for maintenance during high-altitude operation and operation method |
| CN211032245U (en) * | 2019-11-30 | 2020-07-17 | 黄柏元 | Railway contact net overhauls device |
-
2020
- 2020-08-04 CN CN202010769879.1A patent/CN111775780A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB777889A (en) * | 1954-05-17 | 1957-06-26 | William Hamilton Albee | An improved vehicle |
| US4007801A (en) * | 1976-02-06 | 1977-02-15 | Crowley All Terrain Corporation | Suspension for vehicles |
| DE102013008873A1 (en) * | 2013-05-27 | 2014-11-27 | Anselm Lischka | Suspension with extreme soil protection |
| CN204472598U (en) * | 2015-01-23 | 2015-07-15 | 上海铁路局合肥供电段 | A kind of foot of ladder retractor device for electrification railway contact net tool car ladder |
| CN204472596U (en) * | 2015-01-23 | 2015-07-15 | 上海铁路局合肥供电段 | A kind of railway contact line tool car ladder with grabbing rail function |
| CN105751920A (en) * | 2016-03-02 | 2016-07-13 | 湖南华铝机械技术有限公司 | Intelligent multifunctional overhead contact system operation tower wagon |
| CN108657201A (en) * | 2018-06-25 | 2018-10-16 | 吴宁 | A kind of multi-functional subway repair car of electric power |
| CN208558873U (en) * | 2018-06-27 | 2019-03-01 | 阳江市威必达脚轮制造有限公司 | A kind of mobile wheel construction of traffic construction installing engineering |
| CN209700441U (en) * | 2019-01-11 | 2019-11-29 | 辽宁铁道职业技术学院 | Contact net for power supplying support device |
| CN211032245U (en) * | 2019-11-30 | 2020-07-17 | 黄柏元 | Railway contact net overhauls device |
| CN110949426A (en) * | 2019-12-16 | 2020-04-03 | 许俊杰 | Rail trolley for railway track maintenance |
| CN111392658A (en) * | 2020-03-30 | 2020-07-10 | 青岛嘉恒新能源设备有限公司 | Tower drum convenient for maintenance during high-altitude operation and operation method |
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