CN110696687A - Contact rail clamp and contact rail system - Google Patents
Contact rail clamp and contact rail system Download PDFInfo
- Publication number
- CN110696687A CN110696687A CN201910919480.4A CN201910919480A CN110696687A CN 110696687 A CN110696687 A CN 110696687A CN 201910919480 A CN201910919480 A CN 201910919480A CN 110696687 A CN110696687 A CN 110696687A
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- Prior art keywords
- locking
- busbar
- contact rail
- rail
- contact
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- 239000004020 conductor Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract description 8
- 238000006073 displacement reaction Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
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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
- B60M1/30—Power rails
- B60M1/307—Supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M5/00—Arrangements along running rails or at joints thereof for current conduction or insulation, e.g. safety devices for reducing earth currents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Installation Of Bus-Bars (AREA)
Abstract
The invention provides a contact rail wire clamp and a contact rail system. The clamping part is connected with the main body part through the locking part, the clamping part is separately arranged to form an opening on one side, or the clamping part and the main body part are jointly arranged to form a cavity with an opening on one side, the shape of the cavity is matched with the clamped part of the contact rail, and the locking part is adjusted to enable the inner wall of the cavity to be in contact with the contact rail. In addition, this application still provides a conductor rail system, including strutting arrangement, conductor rail and above-mentioned conductor rail fastener. The split design of the contact rail wire clamp is convenient for the installation and the disassembly of the contact rail, and the wire clamp can completely limit the contact rail, reduce the play of the contact rail under the work, improve the construction precision of the contact rail and greatly reduce the debugging time and workload. The conductor rail system can improve the quality of the current supply between the boot rails.
Description
Technical Field
The invention relates to the field of urban rail transit contact rail systems, in particular to a contact rail wire clamp and a contact rail system.
Background
In the design of urban rail transit contact rail system, the contact rail is the important device on transmitting electric energy to urban rail transit system electric traction vehicle, and its good installation accuracy has the significance to guaranteeing system steady operation, in the construction and the maintenance and repair of contact rail, need often disassemble and install the contact rail fastener, and the time and the cost of construction can effectually be practiced thrift to its convenience of disassembling and installing.
Among the prior art, the spatial position restriction of contact rail fastener to the contact rail is not enough, exists certain clearance between the contact rail installation back and the fastener, can freely float in the fastener, is unfavorable for carrying out accurate location to the contact rail, has increased the debugging degree of difficulty of contact rail construction and maintenance in-process. In the running state, the contact surface between the vehicle current supplier and the contact rail is unstable due to the movement of the contact rail, and the current supply quality of the contact rail system is deteriorated.
Disclosure of Invention
In view of the above, embodiments of the present application are directed to a wire clamp for a contact rail and a contact rail system, so as to solve the problem of play of the contact rail in the wire clamp.
In order to achieve the above object, an aspect of the embodiments of the present application provides a busbar clamp for fixing a busbar, the busbar clamp including a main body portion, a clamping portion, and a locking portion; the clamping part is connected with the main body part through the locking part, the clamping part is separately arranged in an enclosing mode or the clamping part and the main body part are arranged in an enclosing mode to form a cavity with one side opened, the shape of the cavity is matched with that of the clamped part of the contact rail, and the locking part is adjusted to enable the inner wall of the cavity to be in contact with the contact rail.
Further, the contact rail clamp further comprises an elastic member, the elastic member is mounted on the clamping portion, and the force applied by the locking portion acts on the clamping portion through the elastic member.
Furthermore, one of the cushion block and the fixing block is provided with a convex rib, and the other is provided with a groove matched with the convex rib.
Further, the busbar clip further includes a fastening portion for mounting the main body portion, the fastening portion being configured to be able to adjust a mounting height of the busbar clip.
Furthermore, the locking part comprises a locking bolt and a locking nut, a first locking hole is formed in the main body part, a second locking hole is formed in the clamping part, and the locking bolt is connected with the locking nut through the first locking hole and the second locking hole to lock the main body part and the clamping part.
Further, the number of the first locking holes is at least two, wherein at least one first locking hole is a kidney-shaped hole.
Another aspect of the embodiments of the present application provides a busbar system, including a supporting device, a busbar and any one of the above-mentioned busbar clamps, the busbar is installed on the supporting device after being fixed by the busbar clamp.
Further, the busbar clamps in the busbar system in the central region of the anchor section are configured to provide full locking of the busbar, the busbar clamps in the end regions of the anchor section are configured to provide sliding locking of the busbar, and the busbar clamps in the region between the central and end portions of the anchor section are configured to provide conditional locking of the busbar.
The utility model provides a conductor rail fastener adopts split type design, the installation and the disassembling of the conductor rail of being convenient for, the cavity shape of conductor rail fastener and the conductor rail by clamping part shape looks adaptation, fixed completely after the contact rail contact through the inner wall of cavity, prevent conductor rail drunkenness in the conductor rail fastener, improved the installation accuracy of conductor rail, also improved the debugging efficiency of construction and maintenance in-process. In addition, the contact rail wire clamp has resistance to the contact rail along the line direction, so that the contact rail is prevented from being longitudinally stretched and deformed along the line when the temperature changes, the length of an anchor section of the contact rail is increased, and the dynamic relation and the flow-feeding quality between boot rails are improved.
The utility model provides a conductor rail system, because of adopt foretell conductor rail fastener, have the same beneficial effect, no longer give unnecessary details here.
Drawings
FIG. 1 is a schematic diagram of a busbar clamp according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a system of contact rails according to an embodiment of the present disclosure;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is a schematic view of the main body of FIG. 1;
FIG. 5 is a schematic view of the spacer of FIG. 1;
FIG. 6 is a schematic structural view of the clamping portion of FIG. 1; and
fig. 7 is a schematic view of the fixing manner of the elastic member on the clamping portion in fig. 1.
Description of the reference numerals
1. A main body part 11, a first locking hole 13 and a height adjusting hole
2. Contact rail 3, clamping part 31 and fixing block
311. Groove 32, cushion block 321 and convex rib
34. Stop block 35, second locking hole 4 and elastic piece
5. Fastening part 51, fastening bolt 52, and fastening nut
6. Locking part 61, locking bolt 62, and locking nut
7. Supporting device
Detailed Description
It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.
The directional terms used in the description of the present application are used for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
An aspect of the embodiment of the present application provides a busbar clamp, please refer to fig. 1 to 3, which is used for fixing a busbar 2, and includes a main body portion 1, a clamping portion 3, and a locking portion 6. Clamping part 3 is connected with main part 1 through locking part 6, and clamping part 3 encloses alone to establish or clamping part 3 encloses with main part 1 jointly and establishes the open-ended cavity in one side that forms, and the shape of this cavity is with the held portion adaptation of conductor rail 2, adjusts locking part 6 and can make the inner wall of this cavity and conductor rail 2 contact.
The chamber in contact with the clamped portion of the contact rail 2 may be formed by enclosing the clamping portion 3 alone, without the main body portion 1, or may be formed by enclosing both the clamping portion 3 and the main body portion 1. By adjusting the locking portion 6, the inner wall of the chamber can be adjusted to contact the clamped portion of the contact rail 2. It will be understood that the contact between the inner wall of the chamber and the contact rail 2 may be a line contact, a point contact, or a surface contact. Preferably, the inner surface of the enclosed cavity and the outer surface of the clamped portion of the busbar 2 are completely matched, so that the displacement of the busbar 2 in the wire clamp can be better limited.
The fixing mode of the contact rail wire clamp to the contact rail can be divided into complete locking, conditional locking and sliding locking according to different locking forces of the locking part 6 to the main body part 1 and the clamping part 3. In the fully locked mode, the displacement of the contact rail 2 in the contact rail clamp is fully limited; in the sliding locking mode, the contact rail 2 can slide freely along the line direction, and the displacement in the direction perpendicular to the line direction is completely limited; in the conditional locking mode, the busbar 2 can slide in the busbar clamp in the line direction according to the preset conditions, and the displacement in the direction perpendicular to the line direction is completely limited. So, can set up the different locking mode of conductor rail fastener to conductor rail 2 according to concrete construction needs.
In an embodiment, the contact rail clip is fixed to the contact rail 2, and since the anchor section of the contact rail 2 is long, in the installation and construction process of the contact rail 2, one contact rail clip is required to be fixed every certain distance, and in the overhaul and maintenance process of the contact rail 2, the contact rail clip is required to be frequently disassembled and installed. Consequently, split type conductor rail fastener that this application provided, its simple structure, simple to operate can effectively carry the work efficiency of construction and maintenance.
Because the displacement of the contact rail 2 in the contact rail clamp is limited by the cavity of the contact rail clamp, the contact rail 2 does not have a space for deformation and displacement in the contact rail clamp, the installation accuracy of the contact rail 2 is improved, the allowable length of the anchor section of the contact rail 2 is prolonged, the number of adjusting devices such as expansion joints is reduced, the installation cost is reduced, and the dynamic relation and the flow-feeding quality between boot rails are also improved.
It will be appreciated that in one embodiment, the main body 1 may be an L-shaped plate, a T-shaped plate, or the like, as long as the above functions are satisfied. The locking portion 6 may be a device that can lock the main body portion 1 and the holding portion 3 and is easy to disassemble, such as a screw connector, a pin connector, and a rivet.
Note that the upper flow method, the lower flow method, and the side flow method of the contact rail system can be realized by adjusting the shape and the mounting position of the main body 1, and fig. 2 shows an example of the lower flow method of the contact rail system.
In an embodiment, referring to fig. 1 to 3, the contact rail clip of the present application further includes an elastic member 4, the elastic member 4 is mounted on the clamping portion 3, and the force applied by the locking portion 6 acts on the clamping portion 3 through the elastic member 4.
The elastic member 4 is provided for dispersing the locking force of the locking portion 6 to the grip portion 3. The elastic member 4 may be a flat plate or a ring formed by winding a steel wire, and as shown in fig. 7, the elastic member 4 is formed by winding a steel wire and is similar to an "M" shape, and the elastic member 4 in this shape can not only disperse the locking force of the locking portion 6 to the clamping portion 3, but also provide a clamping force to the clamping portion 3 perpendicular to the line direction and the direction of the locking force. So not only can disperse the locking force of locking portion 6, prevent to appear stress concentration phenomenon on the clamping part 3, can also further press from both sides tight contact rail 2.
In an embodiment, referring to fig. 7, a stopper 34 is disposed on the clamping portion 3, and the stopper 34 is configured to limit the elastic element 4 to prevent the elastic element 4 from moving and slipping off the clamping portion 3. It will be appreciated that the shape, location and configuration of the stop 34 may be specifically designed depending on the shape and size of the resilient member 4. As shown in fig. 7, the stoppers 34 disposed in the down-line direction and the perpendicular-to-line direction provide displacement limitation to the elastic member 4 in two directions, which facilitates locking of the contact rail 2, thereby facilitating stable operation of the contact rail system.
In an embodiment, referring to fig. 1 to 3, the clip portion 3 of the contact rail clip of the present application includes a fixing block 31 and a pad 32, the pad 32 is located in a space formed by the fixing block 31 and the main body portion 1, and a sidewall of the pad 32 forms at least a part of an inner wall of a chamber contacting the contact rail 2.
It is understood that the holding portion 3 may have only the fixing block 31, the fixing block 31 may surround to form a cavity with one side opened, or the fixing block 31 and the main body portion 1 may surround together to form a cavity with one side opened. In order to make the positioning effect of the contact rail clip on the contact rail 2 better, the material of the part in contact with the contact rail 2 can be changed to change the resistance to the contact rail 2, so that the setting cushion block 32 is additionally arranged. In this case, the part in direct contact with the contact rail 2 is the pad 32, and the contact may be a line contact, a point contact, or a surface contact. Preferably, the surface of the cavity formed by the spacer 2 is fully engaged with the surface of the clamped portion of the busbar 2.
Preferably, the main body portion 1 and the grip portion 3 are made of the same material. Insulating materials such as glass fiber reinforced plastics and high-strength resin can be adopted, conductive materials such as steel or alloy can be adopted, if the conductive materials are adopted, an insulator needs to be arranged between the contact rail clamp and the supporting device 7, and the electric leakage phenomenon is prevented.
In an embodiment, referring to fig. 5 to 7, in the contact rail clip of the present application, a protruding rib is disposed on one of the cushion block 32 and the fixing block 31, and a groove matched with the protruding rib is disposed on the other. For example, the pad 32 is provided with ribs 321, the fixing block 31 is provided with grooves 311 matched with the ribs 321, and the number of the ribs 321 is the same as that of the grooves 331. The engagement of the ribs 321 and the grooves 331 can increase the resistance between the pad 32 and the fixing block 31, thereby preventing the pad 32 from slipping off during operation.
Further, the material friction coefficient of the cushion block 32 and the locking force applied by the locking portion 6 are selected and configured to be combined according to a preset resistance value required by the contact rail along the line direction. It can be understood that the change of the locking force applied by the locking portion 6 and the change of the friction coefficient of the material of the cushion block 32 can change the resistance of the contact rail clip to the contact rail 2 along the line direction, and the material of the cushion block 32, such as nylon, steel plate, glass fiber, etc., can be selected according to the required preset resistance value.
In an embodiment, referring to fig. 2 to 3, the busbar clip of the present application further includes a fastening portion 5 for mounting the main body portion 1, and the fastening portion 5 is configured to adjust a mounting height of the busbar clip. For example, referring to fig. 3, the fastening portion 5 includes a fastening bolt 51 and a fastening nut 52, the main body 1 is formed with a long strip-shaped height adjustment hole 13, the supporting device 7 is formed with a circular hole, the fastening bolt 51 passes through the circular hole and the height adjustment hole 13, and the position of the fastening bolt 51 in the height adjustment hole 13 is adjusted, so as to adjust the installation height of the contact rail clip. Or, the support device 7 is provided with a long-strip-shaped hole (not shown), and the main body part 1 is provided with a round hole, so that the installation height of the contact rail clamp can be adjusted.
The fastening portion 5 may be a device capable of fixing the main body 1 to the support device 7, such as a screw connector, a pin connector, or a rivet.
In an embodiment, referring to fig. 1-2, the locking portion 6 includes a locking bolt 61 and a locking nut 62, the main body 1 is formed with a first locking hole 11, the clamping portion 3 is formed with a second locking hole 12, and the locking bolt 61 is connected to the locking nut 62 through the first locking hole 11 and the second locking hole 35 to lock the main body 1 and the clamping portion 3. The connecting mode of the bolt and the nut is adopted, so that the disassembly and installation work in daily maintenance is facilitated, and the working efficiency is greatly improved. And the fixing mode of the contact rail wire clamp to the contact rail 2 is changed by adjusting the pretightening force between the locking bolt 61 and the locking nut 62, so that the daily operation is more convenient.
In one embodiment, referring to fig. 3 to 4, at least two first locking holes 11 are provided, wherein at least one first locking hole 11 is a kidney-shaped hole. So when having machining error, can guarantee to penetrate first locking hole 11 after locking portion 6 passes second locking hole 35 in to carry out fastening connection to main part 1 and clamping part 3.
Another aspect of the embodiment of the present application provides a busbar system, which includes a supporting device 7, a busbar 2, and any one of the busbar clamps in the above embodiments, wherein the busbar 2 is fixed by the busbar clamp and then installed on the supporting device 7. Due to the adoption of any one of the contact rail clamps, the contact rail clamp has the same technical effect as the contact rail clamp and is not repeated herein.
It should be noted that, regarding the installation of the supporting device 7 and the contact rail clip, since the installation height of the contact rail clip needs to be adjusted, a long-strip-shaped hole may be formed in the vertical direction, for example, a long-strip-shaped hole in the vertical direction is formed in the main body portion 1, and a round hole is formed in the supporting device 7; or a long strip-shaped hole in the vertical direction is formed on the supporting device 7, and a round hole is formed on the main body part 1. The installation height of the conductor rail clamp can be adjusted by adjusting the installation position of the fastening part 5 in the elongated hole.
In the prior art, the contact rail clamp is fixed on the contact rail 2 in a sliding mode, the contact rail clamp has no resistance to the contact rail 2 along the line direction, when the temperature of the contact rail 2 changes, the contact rail can be deformed in a stretching mode along the line direction, and parts such as an expansion joint need to be arranged for adjustment at the moment, so that the length of an anchor section is limited, and the dynamic relation and the flow-donating quality between boot rails are further deteriorated. In the embodiment of the application, the middle part of the contact rail 2 adopts a complete locking mode, and the displacement and the deformation of the contact rail are completely limited, so that the use number of expansion joints can be reduced. And in the region that lies in conductor rail 2 both ends, because conductor rail 2 here has certain bending deformation, if adopt the complete locking mode to restrict its displacement and deformation by force, conductor rail 2 is inside can to produce great stress, also the intensity requirement to the conductor rail fastener is higher, here adopts the slip locking mode, allow conductor rail 2 to produce suitable displacement, can release its internal stress, and the both ends of conductor rail 2 are exactly that to set up expansion joint, consequently, adopt the slidingtype locking mode at the both ends of conductor rail 2, can not influence expansion joint's use quantity. It will be appreciated that when the anchor section is longer, a conditional locking may be employed between the mid-region and the ends of the busbar to provide a transition in the release of stress from the busbar 2. And when the anchor section is shorter, a conditional locking mode or a sliding locking mode can be selected, and the contact rail 2 is not completely locked.
In an embodiment, the conductor rail system of the application, when the anchor section of the conductor rail 2 is long, the conductor rail clamp located in the middle of the anchor section adopts a complete locking mode, and at the moment, the displacement of the conductor rail 2 in the running direction of the line is completely limited, so that the displacement and the deformation of the conductor rail 2 are reduced. The conductor rail clamp which is positioned at the two ends of the anchor section and is close to the expansion joint or the end elbow selects a sliding locking mode to allow the conductor rail 2 to have displacement in the conductor rail clamp. And the other transition sections adopt a conditional locking mode to allow the contact rail 2 to meet the moderate displacement of a preset condition in the contact rail wire clamp. When the anchor section of the contact rail 2 is short, the contact rail wire clamp adopts conditional locking or sliding locking to mainly control the installation precision of the contact rail and not completely lock the contact rail. According to the difference of 2 anchor section lengths of conductor rail, adopt different locking mode, not only can improve the problem of conductor rail 2 drunkenness in the conductor rail fastener, can also improve the installation accuracy and the operational reliability of conductor rail 2.
The various embodiments/implementations provided herein may be combined with each other without contradiction.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A contact rail wire clamp is used for fixing a contact rail (2), and is characterized by comprising a main body part (1), a clamping part (3) and a locking part (6);
clamping part (3) pass through locking portion (6) with main part (1) are connected, clamping part (3) enclose alone to establish formation or clamping part (3) with main part (1) enclose jointly and establish formation one side open-ended cavity, the shape of cavity with the portion of being held of conductor rail (2) adaptation, adjustment locking portion (6) can make the inner wall of cavity with conductor rail (2) contact.
2. The busbar clamp according to claim 1, further comprising a spring (4) mounted on the clamping portion (3), the force exerted by the locking portion (6) acting on the clamping portion through the spring (4).
3. The busbar clamp according to claim 2, wherein a stop (34) is provided on the clamping portion (3), the stop (34) being configured to limit the resilient member (4).
4. A busbar clamp according to claim 1, wherein the clamping portion (3) comprises a fixing block (31) and a spacer (32), the spacer (32) being located in a space formed by the fixing block (31) and the body portion (1), the side walls of the spacer (32) forming at least part of the inner wall of the chamber in contact with the busbar (2).
5. The busbar clamp according to claim 4, wherein one of the spacer (32) and the fixing block (31) is provided with a rib, and the other is provided with a groove matched with the rib.
And/or the material friction coefficient of the cushion block (32) and the locking force exerted by the locking part (6) are selected and configured to be combined according to a preset resistance value required by the contact rail (2) along the line direction.
6. The busbar clamp according to claim 1, further comprising a fastening portion (5) for mounting the main body portion (1), the fastening portion (5) being configured to enable adjustment of a mounting height of the busbar clamp.
7. The busbar clamp according to any one of claims 1 to 6, wherein the locking portion (6) comprises a locking bolt (61) and a locking nut (62), the main body portion (1) is provided with a first locking hole (11), the clamping portion (3) is provided with a second locking hole (35), and the locking bolt (61) is connected with the locking nut (62) through the first locking hole (11) and the second locking hole (35) to lock the main body portion (1) and the clamping portion (3).
8. The busbar clamp according to claim 7, wherein the first locking holes (11) are at least two, wherein at least one of the first locking holes (11) is a kidney-shaped hole.
9. A busbar system, comprising a support means (7), a busbar (2) and a busbar clamp according to any one of claims 1 to 8, wherein the busbar (2) is mounted on the support means (7) after being fixed by the busbar clamp.
10. A busbar system according to claim 9, wherein the busbar clamps in the busbar system in the central region of the anchor section are configured to adopt a full locking to the busbar (2), the busbar clamps in the end regions of the anchor section are configured to adopt a sliding locking to the busbar (2), and the busbar clamps in the region between the central and end regions of the anchor section are configured to adopt a conditional locking to the busbar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910919480.4A CN110696687A (en) | 2019-09-26 | 2019-09-26 | Contact rail clamp and contact rail system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910919480.4A CN110696687A (en) | 2019-09-26 | 2019-09-26 | Contact rail clamp and contact rail system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110696687A true CN110696687A (en) | 2020-01-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910919480.4A Pending CN110696687A (en) | 2019-09-26 | 2019-09-26 | Contact rail clamp and contact rail system |
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| CN (1) | CN110696687A (en) |
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| 张桂林，肖伟强, 《城市轨道交通牵引供电接触轨***温度应力有限元分析》, vol. 2017, no. 7, 31 July 2017 (2017-07-31), pages 108 - 111 * |
| 李宪: "《线路工必读（修订版）》", 31 July 1994, 中国铁道出版社, pages: 146 - 148 * |
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