CN213354195U - Rail-changing electricity-taking device and transportation device of low-voltage flat car - Google Patents
Rail-changing electricity-taking device and transportation device of low-voltage flat car Download PDFInfo
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- CN213354195U CN213354195U CN202021626386.4U CN202021626386U CN213354195U CN 213354195 U CN213354195 U CN 213354195U CN 202021626386 U CN202021626386 U CN 202021626386U CN 213354195 U CN213354195 U CN 213354195U
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- flat car
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Abstract
The utility model relates to a rail-changing electricity-taking device and a transportation device of a low-voltage flat car, which comprises a support fixedly arranged below the flat car, wherein the support is sequentially connected with a buffer mechanism and an electricity grinding mechanism, one end of the buffer mechanism is fixedly connected with the support, and the other end of the buffer mechanism is elastically connected with the electricity grinding mechanism; the electric grinding mechanism comprises an electric grinding block substrate, wherein an electric taking grinding block which is in contact with a conductive rail is arranged on the lower surface of the electric grinding block substrate, the bottom of the electric taking grinding block is ship-shaped, and a conductive bolt which is electrically connected with the electric taking grinding block is further arranged on the electric grinding block substrate. The utility model discloses compact structure can have good contact with the rail face, ensures to improve the reliability of getting the electric installation, guarantees flatbed normal operating on unevenness conductor rail or when passing through revolving stage transform track.
Description
Technical Field
The utility model relates to a technical field that the flatbed traded the rail, more specifically says, it relates to a low pressure flatbed trade rail and get electric installation and conveyer.
Background
With the fierce competition of market economy, most enterprises can transfer materials to other workshops for goods defense or material shipment by a rotary platform rail changing mode when the low-voltage power-taking flat car crosses the span due to land limitation or for reducing investment cost and manpower information preparation in the initial stage of factory building. The electricity taking device is the core part of the low-voltage rail power supply type electric flat car, low-voltage electricity is fed to a step-up transformer on a car body through an electricity grinding block, and then the low voltage is increased to rated voltage by the step-up transformer and then is supplied to a driving motor of the flat car. Therefore, the flat car with low-voltage electricity taking is generally equipped in the factory of a steel rolling enterprise, and is mainly convenient for transferring materials between cars.
Present power-taking device mainly comprises guide frame, guide pillar, insulation board and electric grinding block, and the guide pillar becomes the right angle setting with the conductor rail, and the shortcoming that this kind of power-taking device exists is: when foreign matters and guide rail interfaces exist on the conductor rail, or when the surface of the conductor rail is uneven due to deformation, abrasion and the like, the fault that electricity is badly taken by the electricity grinding block or the surface of the conductor rail collides with the steel rail is easily caused, and the conducting and swinging steel rail arranged on the rotary platform is arranged in a rubber insulation mode, so the phenomenon that the electricity is uneven on the conductor rail surface on the rotary platform and the ground conducting rail surface is easily caused, the problem is easily caused, the guide frame or the guide pillar is seriously deformed seriously when the electricity is serious, and the electricity taking device is damaged or scrapped even caused, the operation reliability of the electricity taking device is greatly reduced, and the production and operation are directly influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a low pressure flatbed trade rail and get electric installation, the utility model discloses compact structure can have good contact with the rail face, ensures to improve the reliability of getting electric installation, guarantees flatbed normal operating on unevenness conductor rail or when passing through revolving stage transform track. The utility model also provides a conveyer of low pressure flatbed, many parallel arrangement's conductor rail guarantees that the flatbed combines to use to trade the rail and gets the stability of operation behind the electric installation to and further improved the reliability of getting the electricity.
The above technical purpose of the present invention can be achieved by the following technical solutions: the rail-changing electricity-taking device of the low-voltage flat car comprises a support fixedly arranged below the flat car, wherein the support is sequentially connected with a buffer mechanism and an electricity grinding mechanism, one end of the buffer mechanism is fixedly connected with the support, and the other end of the buffer mechanism is elastically connected with the electricity grinding mechanism; the electric grinding mechanism comprises an electric grinding block substrate, wherein an electric taking grinding block which is in contact with a conductive rail is arranged on the lower surface of the electric grinding block substrate, the bottom of the electric taking grinding block is ship-shaped, and a conductive bolt which is electrically connected with the electric taking grinding block is further arranged on the electric grinding block substrate.
Furthermore, the electric grinding mechanism also comprises two movable guide columns, the lower ends of the movable guide columns are fixedly provided with connecting plates, and the two electric grinding block base plates are symmetrically arranged along the central axes of the movable guide columns; and one end of the grinding block base plate is provided with a fixed support, and the fixed support is hinged with the connecting plate through a pin shaft.
Furthermore, one end, far away from the fixed support, of the grinding block substrate is provided with a positioning guide pillar, the buffer mechanism comprises a base plate, a first elastic piece and a second elastic piece, the base plate is arranged on the movable guide pillar and the positioning guide pillar, the first elastic piece is located between the movable guide pillar and the base plate, and the second elastic piece is located between the positioning guide pillar and the base plate.
Furthermore, the height of the movable guide column is greater than that of the positioning guide column, an upward convex guide column sleeve is arranged in the middle of the base plate and is sleeved with the movable guide column, guide sleeves are respectively arranged at two ends of the base plate in a downward extending mode, and the guide sleeves are sleeved with the positioning guide column.
Furthermore, the guide post sleeve and the two outer sides of the corners between the guide sleeves are provided with reinforcing plates for reinforcing and fixing.
Furthermore, a limiting groove is formed in the guide post sleeve, a positioning bolt is arranged on the movable guide post in a protruding mode, and the positioning bolt is located in the limiting groove.
Furthermore, a positioning plate is fixedly arranged on the guide pillar sleeve, an insulating plate is further arranged between the positioning plate and the support, the insulating plate and the positioning plate are fixedly connected through an insulator.
Further, the support and the fixed plate are made of steel plates, the support is welded to the lower surface of the flat car, and the fixed plate is welded to one side of the upper end of the guide column sleeve.
The utility model also provides a conveyer of low pressure flatbed includes conductor rail and flatbed, conductor rail quantity is two at least and parallel arrangement arranges, the flatbed below is equipped with a plurality ofly the device is got to the rail change of low pressure flatbed, and per two the rail change of low pressure flatbed is got the device and is corresponded one the conductor rail.
Further, the conductor rail includes two sets of mutually perpendicular ground conductor rails of arranging, and is two sets of the handing-over department of ground conductor rail is equipped with the revolving stage, be equipped with revolving stage conductor rail on the revolving stage, the tip edge of ground conductor rail and revolving stage conductor rail all sets up to the fillet.
To sum up, the utility model discloses following beneficial effect has:
1. the utility model discloses compact structure easily realizes, and the part is changed conveniently, and easily processing can have good contact with the rail face, ensures to improve the reliability of getting the electric installation, guarantees flatbed normal operating on unevenness conductor rail or when changeing the track through the revolving stage. The device is integrally connected into an integral structure by penetrating all parts only through the pin shaft and the bolt, and is convenient to install and maintain.
2. The electricity-taking grinding block is contacted with the conductive rail under the action of gravity of the sliding guide pillar driven by the tension of the electric grinding block substrate and the second elastic piece, and slides along the conductive rail when the flat car moves forwards; when the connector with sundries or two conductor rails on the conductor rails is uneven, the bottom of the ship-shaped electricity-taking grinding block is provided with a certain chamfer angle, the sundries can be cleaned to a certain degree, when the electricity-taking grinding block cannot be cleaned, the electricity-taking grinding block bears an upward force, the force can enable the rotary support to rotate around the pin shaft to lift the electricity-taking grinding block, the electricity-taking grinding block can cross the obstacle, the impact force on the electricity-taking grinding block is greatly reduced, and the safety of an electricity-taking device is effectively protected. After the electricity taking grinding block crosses the obstacle, the contact with the conductive rail is recovered, and the electric flat car continues to slide to take electricity, so that the normal operation of the flat car is ensured.
3. The utility model separates the flat car from the electricity taking device through the insulating plate and the insulator, realizes the purpose of insulation, and improves the safety of work; wherein, make the movable guide pillar firmly press the electricity-getting grinding block and the conductor rail of grinding the electricity block base plate lower limit together through the setting of elastic component to guarantee that electric wiring will transmit the electricity to step-up transformer through getting with getting the electricity of electricity grinding block contact, the setting of elastic component can guarantee simultaneously along with the increase of operating duration, get the wearing and tearing of electricity grinding block, still can guarantee to get the laminating of electricity grinding block and electrically conductive rail, and then guarantee to press the operation of track flatbed to stabilize, improve work efficiency.
Drawings
Fig. 1 is a working state diagram of a transportation device of a low-pressure flat car of the invention;
fig. 2 is a front view of the rail-changing electricity-taking device of the low-voltage flat car of the present invention;
fig. 3 is a side view of the rail-changing electricity-taking device of the low-voltage flat car of the present invention;
fig. 4 is a top view of the rail-changing power-taking device of the low-voltage flat car of the present invention.
In the figure: 1-support, 2-insulator, 3-insulating plate, 4-positioning plate, 5-guide column sleeve, 6-first elastic element, 7-movable guide column, 8-limiting groove, 9-positioning bolt, 10-connecting plate, 11-base plate, 12-guide sleeve, 13-second elastic element, 14-positioning guide column, 15-grinding block base plate, 16-pin shaft, 17-fixed support, 18-conductive bolt, 19-electricity-getting grinding block, 101-flat car, 102-ground conductive rail, 103-rotary table and 104-rotary table conductive rail.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
It should be noted that all the directional terms such as "upper" and "lower" referred to herein are used with respect to the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.
Referring to fig. 1-4, the rail-changing and electricity-taking device of the low-voltage flat car comprises a support 1 fixedly arranged below a flat car 101, wherein the support 1 is sequentially connected with a buffer mechanism and an electricity grinding mechanism, one end of the buffer mechanism is fixedly connected with the support 1, and the other end of the buffer mechanism is elastically connected with the electricity grinding mechanism; the electric grinding mechanism comprises an electric grinding block substrate 15, an electric grinding block 19 which is used for being in contact with a conductive rail is arranged on the lower surface of the electric grinding block substrate 15, the bottom of the electric grinding block 19 is ship-shaped, a conductive bolt 18 which is electrically connected with the electric grinding block 19 is further arranged on the electric grinding block substrate 15, the conductive bolt 18 is a bolt which locks a power transmission lead, and the power transmission lead is fixed by the conductive bolt 18 to be connected with a step-up transformer on the flat car 101 for power supply after the electric grinding block 19 obtains a power supply on the conductive rail. The utility model discloses compact structure easily realizes, and the part is changed conveniently, and easily processing can have good contact with the rail face, ensures to improve the reliability of getting the electric installation, guarantees flatbed 101 normal operating on unevenness conductor rail or when changeing the track through revolving stage 103.
The electricity-taking grinding block 19 is in contact with the conductive rail under the driving action of elastic tension of the grinding block substrate 15 and the buffer mechanism, and when the flat car 101 moves forwards, the electricity-taking grinding block 19 slides along the conductive rail; when the conductive rail is provided with sundries or the interfaces of two conductive rails are uneven, the bottom of the ship-shaped electricity-taking grinding block 19 is provided with a certain chamfer angle, so that the sundries can be cleaned to a certain degree, and when the sundries cannot be cleaned, the electricity-taking grinding block 19 is forced upwards, so that the electricity-taking grinding block 19 is blocked, the impact force borne by the electricity-taking grinding block 19 is greatly reduced, and the safety of an electricity-taking device is effectively protected. After the electricity taking grinding block 19 passes through the obstacle, the contact with the conductive rail is recovered, and the electric power is continuously taken in a sliding mode, so that the normal operation of the flat car 101 is ensured.
In this embodiment, the electric grinding mechanism further includes a movable guide post 7, a connecting plate 10 is fixedly disposed at the lower end of the movable guide post 7, and two electric grinding block substrates 15 are symmetrically arranged along the central axis of the movable guide post 7; one end of the grinding block base plate 15 is provided with a fixed support 17, and the fixed support 17 is hinged with the connecting plate 10 through a pin 16. The whole device only adopts the pin shaft 16 and the bolt to lead all the components to be connected into an integral structure, thereby being convenient for installation and maintenance. The rail-changing electricity taking device is provided with the two electricity taking block substrates 15, namely the two electricity taking grinding blocks 19 are correspondingly arranged, so that the electricity taking grinding blocks 19 can cross the obstacle, even if the electricity taking grinding blocks 19 in the front are jacked up due to the fact that sundries on the conductive rail are large, the electricity taking grinding blocks 19 in the rear are also in close contact with the conductive rail, and the electricity taking device is guaranteed to be always electrically connected with the conductive rail. In addition, in the process, the sundries which cannot be cleaned off can provide an upward force for the electricity taking grinding block 19, so that the electricity taking grinding block 19 and the electricity grinding block substrate 15 rotate around the pin shaft 16 to lift the electricity taking grinding block 19, and a sliding type seesaw capable of stretching up and down and swinging back and forth is formed.
In this embodiment, one end of the grinding block substrate 15 away from the fixed support 17 is provided with a positioning guide post 14, the buffer mechanism includes a base plate 11, a first elastic element 6 and a second elastic element 13, the base plate 11 is disposed on the movable guide post 7 and the positioning guide post 14, the first elastic element 6 is located between the movable guide post 7 and the base plate 11, and the second elastic element 13 is located between the positioning guide post 14 and the base plate 11. When the obstacle is crossed, the electricity-taking grinding block 19 is firstly the contact sundries at the front end, and if the electricity-taking grinding block is jacked up, the stability of the electricity-taking grinding block 19 at the rear end is kept when the electricity-taking grinding block is just in contact with the conductor rail under the action of the second elastic piece 13; when the sundries are in the middle, the first elastic piece 6 buffers the sundries, and one ends of the two electricity-taking grinding blocks 19, which are close to the positioning guide post 14, continue to contact with the conductive rail; until the impurities reach the rear end, the other second elastic piece 13 provides a stabilizing effect, and the electricity-taking grinding block 19 at the front end keeps contact with the conductive rail. Therefore, the integral smoothness of the flat car 101 during passing is ensured, and the flat car keeps the contact between the electricity taking grinding block 19 and the conductive rail under the action of the first elastic element 6 and the second elastic element 13 all the time, so that enough driving power is obtained.
In this embodiment, the height of the movable guide post 7 is greater than that of the positioning guide post 14, the movable guide post 7 and the first elastic member 6 play a main buffering role, the middle part of the base plate 11 is provided with the guide post sleeve 5 protruding upwards, the guide post sleeve 5 is sleeved with the movable guide post 7, two ends of the base plate 11 are respectively provided with the guide sleeves 12 extending downwards, and the guide sleeves 12 are sleeved with the positioning guide posts 14. The guide post sleeve 5 and the guide sleeve 12 are sleeved to form a shaft sleeve form, and an elastic part is added in the middle of the shaft sleeve, so that the power-taking grinding block 19 and the power-grinding block substrate 15 are guaranteed to move along the vertical direction to be buffered after being stressed, and the phenomenon that the power-taking grinding block and the power-grinding block substrate are not stressed uniformly and break away from a track is avoided. The outer sides of the corners between the guide post sleeve 5 and the two guide sleeves 12 are provided with reinforcing plates for reinforcing fixation so as to ensure the stability of the base plate 11 and the compactness of the whole structure, and avoid the easy damage caused by uneven stress. Meanwhile, in order to avoid the separation of the buffer mechanism and the electricity grinding mechanism, a limiting groove 8 is arranged on the guide post sleeve 5, a positioning bolt 9 is convexly arranged on the movable guide post 7, and the positioning bolt 9 is positioned in the limiting groove 8. When necessary, the device can be locked, the guide post sleeve 5 and the movable guide post 7 are always in a mutually sleeved state, and the phenomenon that the whole device is scattered or separated from the conductor rail due to larger impact force is avoided.
In this embodiment, a fixing plate 4 is fixedly arranged on the guide post sleeve 5, an insulating plate 3 is further arranged between the fixing plate 4 and the support 1, the insulating plate 3 and the fixing plate 4 are fixedly connected through an insulator 2. The buffer mechanism is vertically arranged with the conductor rail, and is fixedly connected with the insulator 2, the flat car 101 and the support 1 through the insulating plate 3 by the positioning plate 4, so that the insulating effect is achieved, the short circuit of a circuit connected with the grinding mechanism and the flat car 101 is prevented, the safety problem is avoided, and the working safety is improved. Support 1 and fixed plate 4 are the steel sheet and make, and support 1 welds mutually with the lower surface of flatbed 101, and fixed plate 4 welds mutually with one side of the upper end of guide post cover 5, has guaranteed insulating effect under the effect of insulation board 3 and insulator 2, can utilize to set the steel sheet to strengthen the intensity and the stability of its junction to the accessible welded mode is consolidated.
The utility model provides a conveyer of low pressure flatbed, including conductor rail and flatbed 101, conductor rail quantity arranges for at least two and parallel arrangement, and flatbed 101 below is equipped with the rail of trading of a plurality of low pressure flatbeds and gets the electric installation, and the rail of trading of per two low pressure flatbeds gets electric installation and corresponds a conductor rail. The multiple parallel conductive rails ensure the stability of the operation of the flat car 101 after the rail-changing electricity-taking device is used in combination, and further improve the electricity-taking reliability. The electricity-taking grinding block 19 is actually a copper plate, two ends of the copper plate are respectively provided with a certain inclined chamfer, and the copper plate is fixed below the grinding block substrate 15 through bolts; the grinding block 19 is connected to a step-up transformer on the flat car 101 through a lead fixed by a conductive bolt 18 provided on the grinding block substrate 15 after receiving power from a conductive rail. After the flat car 101 travels from the ground conductive rail 102 to the conductive rail 104 of the turntable 103, the conductive rail 104 on the turntable is butted with the ground conductive rail 102 on the other side by rotating the turntable 103, and then the flat car 101 is taken out from the turntable 103 through the ground conductive rail 102 to travel in the other direction.
In this embodiment, the conductive rail includes two sets of ground conductive rails 102 arranged perpendicular to each other, a rotating platform 103 is disposed at a joint of the two sets of ground conductive rails 102, a rotating platform conductive rail 104 is disposed on the rotating platform 103, and end edges of the ground conductive rail 102 and the rotating platform conductive rail 104 are both set to be rounded corners. The utility model firstly grinds the interface end faces of the ground conductor rail 102 fixed on the ground and the rotating table conductor rail 104 on the rotating table 103 into a certain smooth angle, so as to prevent the damage of the electricity taking device caused by that the electricity taking grinding block 19 directly impacts the end face higher than the other conductor rail when taking electricity through the interface; then, the power taking device is vertically connected with the flat car 101 in a mode of enough insulation strength, and finally, the power taking grinding block 19 and the conductor rail are pressed on the rail surface firmly all the time by utilizing the characteristic that a spring has rebound expansion and contraction; that is to say, when an uneven rail surface phenomenon occurs at the interface of two conductive rails, when the flat car 101 moves forward from a low rail to a high rail, the front grinding block substrate 15 in the power taking device slides and lifts along the polished inclined end surface of the conductive rail, so that the power taking grinding block 19 is prevented from directly colliding with the end surface of the conductive rail to cause damage failure, and the rear grinding block substrate 15 firmly presses the power taking grinding block 19 on the other conductive rail surface to keep the power supply powered on under the action of the buffer mechanism; when the front grinding block substrate 15 slides to be separated from the steel rail interface, the buffer mechanism firmly presses the front grinding block substrate 15 on the surface of the passing conductive rail to keep the power supply electrified until the rear grinding block substrate 15 slides to the same conductive rail; similarly, when the flat car 101 moves forward from the high rail to the low rail, and the front grinding block substrate 15 in the power taking device passes through the low rail, the buffer mechanism firmly presses the front grinding block substrate on the passing conductive rail surface to keep the power on, so that the phenomenon that the power taking grinding block 19 is suspended and the power cannot be taken is avoided.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The rail-changing and electricity-taking device of the low-voltage flat car is characterized by comprising a support (1) fixedly arranged below the flat car (101), wherein the support (1) is sequentially connected with a buffer mechanism and an electricity grinding mechanism, one end of the buffer mechanism is fixedly connected with the support (1), and the other end of the buffer mechanism is elastically connected with the electricity grinding mechanism; grind electric mechanism including grinding electric block base plate (15), grind electric block base plate (15) lower surface and be equipped with and be used for getting electric grinding block (19) that contact with the conductor rail, the bottom of getting electric grinding block (19) is the ship type, still be equipped with on grinding electric block base plate (15) and get electric grinding block (19) electricity conductive bolt (18) of being connected.
2. The rail-changing and electricity-taking device of the low-voltage flat car according to claim 1, wherein the grinding mechanism further comprises a movable guide post (7), a connecting plate (10) is fixedly arranged at the lower end of the movable guide post (7), and the two grinding block base plates (15) are symmetrically arranged along the central axis of the movable guide post (7); one end of the grinding block base plate (15) is provided with a fixed support (17), and the fixed support (17) is hinged with the connecting plate (10) through a pin shaft (16).
3. The rail-changing and power-taking device of the low-voltage flat car as claimed in claim 2, wherein a positioning guide post (14) is provided at an end of the ground block base plate (15) far away from the fixed support (17), the buffering mechanism comprises a base plate (11), a first elastic member (6) and a second elastic member (13), the base plate (11) is provided on the movable guide post (7) and the positioning guide post (14), the first elastic member (6) is located between the movable guide post (7) and the base plate (11), and the second elastic member (13) is located between the positioning guide post (14) and the base plate (11).
4. The rail-changing and electricity-taking device of the low-voltage flat car according to claim 3, wherein the height of the movable guide post (7) is greater than that of the positioning guide post (14), the middle part of the base plate (11) is provided with a guide post sleeve (5) protruding upwards, the guide post sleeve (5) is sleeved with the movable guide post (7), two ends of the base plate (11) are respectively provided with a guide sleeve (12) extending downwards, and the guide sleeves (12) are sleeved with the positioning guide post (14).
5. The rail-changing and power-taking device for the low-voltage flat car as claimed in claim 4, wherein reinforcing plates for reinforcing fixation are arranged on the outer sides of the corners between the guide post sleeves (5) and the two guide sleeves (12).
6. The rail-changing and power-taking device of the low-voltage flat car according to claim 5, wherein a limiting groove (8) is formed on the guide post sleeve (5), a positioning bolt (9) is convexly arranged on the movable guide post (7), and the positioning bolt (9) is located in the limiting groove (8).
7. The rail-changing and electricity-taking device of the low-voltage flat car as claimed in claim 6, wherein the guide post sleeve (5) is fixedly provided with a positioning plate (4), an insulating plate (3) is further arranged between the positioning plate (4) and the support (1), the insulating plate (3) and the positioning plate (4) are fixedly connected through an insulator (2).
8. The rail-changing and electricity-taking device for the low-voltage flat car as claimed in claim 7, wherein the support (1) and the positioning plate (4) are both made of steel plates, the support (1) is welded to the lower surface of the flat car (101), and the positioning plate (4) is welded to one side of the upper end of the guide column sleeve (5).
9. The transportation device of the low-voltage flat car is characterized by comprising at least two conductive rails and a flat car (101), wherein the conductive rails are arranged in parallel, a plurality of rail-changing and power-taking devices according to any one of claims 1 to 8 are arranged below the flat car (101), and every two rail-changing and power-taking devices of the low-voltage flat car correspond to one conductive rail.
10. The transportation device of the low-voltage flat car according to claim 9, wherein the conductive rails comprise two groups of ground conductive rails (102) which are arranged perpendicularly to each other, a rotating platform (103) is arranged at the joint of the two groups of ground conductive rails (102), a rotating platform conductive rail (104) is arranged on the rotating platform (103), and the edges of the ends of the ground conductive rails (102) and the rotating platform conductive rails (104) are rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021626386.4U CN213354195U (en) | 2020-08-06 | 2020-08-06 | Rail-changing electricity-taking device and transportation device of low-voltage flat car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021626386.4U CN213354195U (en) | 2020-08-06 | 2020-08-06 | Rail-changing electricity-taking device and transportation device of low-voltage flat car |
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| CN213354195U true CN213354195U (en) | 2021-06-04 |
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| CN202021626386.4U Active CN213354195U (en) | 2020-08-06 | 2020-08-06 | Rail-changing electricity-taking device and transportation device of low-voltage flat car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112744078A (en) * | 2021-01-19 | 2021-05-04 | 宝武杰富意特殊钢有限公司 | Rail-changing and electricity-taking device and system of low-voltage flat car |
-
2020
- 2020-08-06 CN CN202021626386.4U patent/CN213354195U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112744078A (en) * | 2021-01-19 | 2021-05-04 | 宝武杰富意特殊钢有限公司 | Rail-changing and electricity-taking device and system of low-voltage flat car |
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| CP03 | Change of name, title or address |
Address after: 512199 special bar factory of Shaogang, MABA Town, Qujiang District, Shaoguan City, Guangdong Province Patentee after: Baowu jiefuyi Special Steel Co.,Ltd. Address before: MABA Shaogang, Qujiang District, Shaoguan City, Guangdong Province Patentee before: BAOSTEEL SPECIAL STEEL SHAOGUAN Co.,Ltd. |
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| CP03 | Change of name, title or address |