CN110667388B - Deicing bow suitable for T-shaped rigid contact net - Google Patents
Deicing bow suitable for T-shaped rigid contact net Download PDFInfo
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- CN110667388B CN110667388B CN201911044822.9A CN201911044822A CN110667388B CN 110667388 B CN110667388 B CN 110667388B CN 201911044822 A CN201911044822 A CN 201911044822A CN 110667388 B CN110667388 B CN 110667388B
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- deicing
- supporting plate
- bow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/20—Details of contact bow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/02—Current collectors for power supply lines of electrically-propelled vehicles with ice-removing device
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
A deicing bow suitable for a T-shaped rigid contact net is characterized in that the deicing bow has the structure as follows; the top surface of the supporting plate is provided with three deicing metal brushes, deicing cutters are fixed in front of and behind the supporting plate, more than one pair of rollers are hinged on the supporting plate, two rows of three supporting plate supports are fixed on the bottom surface of the supporting plate, the lower part of each supporting plate is movably inserted into a notch on the bow head base and movably sleeved on a screw through a hole on the supporting plate, the screw is screwed on the supporting plate supports, and a spring is respectively fixed between the two sides of each supporting plate and the bow head base. The ice-coating scraper can effectively remove ice-coating on the contact net and has the advantage of stable current collection.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a deicing device of a T-shaped rigid contact net suitable for alpine regions and tunnels.
Background
The contact network is a special power supply line which is unique to the electrified railway and is erected along a track to provide electric energy for an electric train, and as an outdoor power transmission system, the contact network is subjected to the influence of all natural conditions, and is subjected to the tests of wind blowing, sunshine, rain, ice coating and the like, and the tests of impact of a pantograph on the contact network and vibration and fatigue caused by the impact.
Overhead contact net divide into rigid contact net and flexible contact net two types, and rigid contact net has certain advantage for flexible contact net, has to occupy for a short time, need not set up lower anchor device, has advantages such as spare part is few, safe and reliable. The railway is built in the mountain areas with high cold and high altitude, a plurality of long tunnels need to be built under the limitation of special terrain environment, the tunnel adopting the rigid contact net can save space, the hole diameter is smaller, and the cost of digging and chiseling the tunnel can be greatly saved.
Most of the existing rigid contact networks adopt I-shaped busbars to clamp contact lines, the humidity in a tunnel is high, water seepage occurs occasionally, the seepage water is easy to accumulate at the tops of the busbars, and the structure enables the seepage water to flow to the wire clamps at two sides and the bottom; if the tunnel is in a low-temperature environment for a long time, the whole bus bar and the contact line are wrapped by seepage water and icing, current collection of the pantograph is seriously influenced, and the ice coating is thick and is difficult to remove.
At present, the deicing of a contact net can be divided into several modes such as artificial deicing, heavy-current thermal deicing, natural passive anti-icing and the like, but the efficiencies of the deicing measures are extremely low; on a line with the French running speed less than 200km/h, a deicing device similar to a pantograph is installed at the front end of the pantograph, but the existing deicing device has some problems: (1) the ice coating condition of the rigid contact net is more serious, and a thicker ice layer is difficult to remove, so that the ice removal is not thorough and the current is influenced. (2) In the process of high-speed running of a train, rigid impact between the deicing device and ice coating easily damages a rigid contact net, and meanwhile, the deicing device is seriously deformed and even separated from an ice layer, so that the deicing effect cannot be achieved. (3) The existing deicing device is mainly applied to a flexible contact network, the deicing device is easily abraded too fast when the deicing device is used for a rigid contact network, and a large amount of labor cost is consumed for regularly replacing the deicing device with almost-worn abrasion. (4) Violent shaking in the deicing process easily reduces the deicing effect by half, and a fixing and guiding device is lacked.
Therefore, based on the background that some lines are in high and cold areas and pass through a tunnel, a novel rigid contact net and a deicing device matched with the rigid contact net need to be designed to solve the problems that the rigid contact net is easy to cover ice and has no effective deicing measures and the like in the prior art.
Disclosure of Invention
The invention aims to provide a deicing bow which is in flexible contact with a T-shaped bus bar of a rigid contact net in the longitudinal direction and the transverse direction, has high mechanical deicing efficiency and is suitable for the T-shaped rigid contact net.
The purpose of the invention is realized as follows: a deicing bow suitable for a T-shaped rigid contact network, which consists of a plurality of suspension mechanisms, a bus bar and contact wires, wherein the cross section of the bus bar is in a T shape consisting of a horizontal section and a vertical section, a pair of chucks are formed by a section at the lower part of the vertical section, and the contact wires are clamped on the chucks of the bus bar through a fastening bolt, a fastening nut and a clamp; the suspension mechanism is as follows: t-shaped bolts are respectively fixed at two ends of the channel steel, the tops of the two T-shaped bolts are used for being fixed on the inner wall of the tunnel, the insulator is fixed on the bottom surface of the channel steel, the busbar wire clamp is fixed at the bottom of the insulator through the bolts, and two ends of the horizontal section of the busbar are respectively clamped and fixed on the busbar wire clamp through fastening bolts;
the deicing bow head structure used for being arranged on the auxiliary bow bracket arm is as follows: rectangular layer board top surface bellying is fixed with three deicing metallic brushes at the equidistant interval, and preceding, back broadside position department of layer board is fixed with the deicing sword of shape symmetry respectively, and the deicing sword is handed over by a horizontal plane and an arcwall face and forms the blade, and the horizontal plane of deicing sword and the top surface coplane of layer board lie in deicing metallic brush both sides on the layer board along the vertical direction be provided with more than a pair of direction cylinder, and this mode of setting does: a square insulating block fixedly connected with the lower part of the roller main shaft is placed in a square hole on the supporting plate, the front part of the insulating fastening screw is provided with threads, and the middle rear part of the insulating fastening screw is a smooth rod part; after the fastening screw is inserted into the hole on the long side of the supporting plate and passes through the hole on the insulating block, the front part of the fastening screw is screwed on the screw hole of the supporting plate, and the compression spring sleeved on the fastening screw is pressed between the head of the fastening screw and the insulating block, meanwhile, the insulation block is movably sleeved on the smooth rod part of the fastening screw through a hole on the insulation block, the shape of the bow head base fixed on the auxiliary bow bracket arm is H-shaped, two rows of three support plate supports in each row are respectively fixed on two sides of the bottom surface of the support plate along the long edge direction of the support plate, and the lower part of each support plate support is hinged on the bow head base in the following mode: the support plate support lower part inserts the notch on the bow base with moving ground in, and the screw stretches into bow base notch and connects soon behind the hole on the support plate support with moving ground in bow base side, and the support plate support left and right sides is provided with the elastic stabilization device respectively: a rod piece is fixed between a pair of ear plates at the middle part of the supporting plate bracket, another rod piece is fixed between another pair of ear plates on the bow head base, and the spring is fixed between the two rod pieces.
The deicing metal brush is a square deicing metal brush; an ice guide hole is formed in the position between two adjacent deicing metal brushes on the supporting plate; the bow head base is provided with ice guide plates at positions below the ice guide holes, and the ice guide plates are obliquely fixed on the bow head base.
The guide roller is installed on the roller main shaft through two bearings, an annular flange used for limiting is arranged at the top of the roller main shaft, and a limiting ring is sleeved and fixed below the guide roller on the roller main shaft.
The top surface of the horizontal section of the bus bar is an outer convex arc surface.
The two deicing knives are respectively connected with the supporting plate through three cylinders.
Compared with the prior art, the invention has the beneficial effects that:
1. in the prior art, effective methods for deicing a rigid contact net are few, and a resistive wire heating deicing technology, an artificial deicing technology and the like have many problems, so that the deicing efficiency is low. The novel T-shaped busbar is adopted to clamp the contact line, and the arc-shaped anti-icing cover is arranged at the top of the busbar, so that seepage water on the tunnel wall can slide off from two sides of the surface of the anti-icing cover, accumulated water in the busbar is prevented from freezing, ice is not easily coated on two sides, and compared with the traditional busbar ice coating situation, the phenomenon that the suspension device collapses due to exceeding a bearing load can be avoided; the deicing device is designed aiming at the structure of the rigid contact net, is arranged on the auxiliary bow but does not receive current, and the deicing bow finishes deicing work before the pantograph is contacted with the rigid contact net, so that the pantograph can stably receive current, the off-line rate is obviously reduced, and the ablation of electric arcs generated by contacting ice off-line to a contact line and the pantograph is reduced.
2. The guide rollers on the two sides are attached to the two sides of the novel T-shaped bus bar, namely the deicing cutter is in flexible (elastic) contact with the T-shaped bus bar through the guide rollers in the transverse direction, so that severe shaking of the deicing device in the deicing process is obviously reduced; the bow head bottom is fixed in the layer board through installing the spring additional, makes deicing swordfish T type busbar form flexible (elasticity) contact promptly on vertical, if icing appears in busbar both sides, spring assembly can make the direction cylinder better follow busbar both sides undulant, avoids appearing hard collision with icing.
3. Three rows of parallel metal brushes are arranged on the deicing plate, and deicing knives are arranged at the front end and the rear end of the deicing plate through a connecting mechanism.
4. The supporting plate is fixed on the bow head base through the supports, and each support is provided with the spring shock absorption device with two degrees of freedom, so that the deicing brush and the deicing knife can be in better contact with ice coated on a contact wire, damage to a rigid contact net during deicing can be reduced, damage caused by hard collision of the deicing brush and the deicing knife can be avoided, and the purpose of flexible deicing is achieved.
5. The anti-icing busbar with the T-shaped section is designed, the arc-shaped anti-icing cover is arranged at the top, the width of the anti-icing cover is larger than that of a bottom wire clamp, when water seeps in a tunnel, the design is favorable for the water seeping to fall on the top of the busbar and then slide down from two sides of the surface of the anti-icing cover, and accumulated water of the busbar is prevented from being frozen; and the structure obviously reduces the water quantity flowing through the two sides of the busbar and the wire clamp at the bottom, thereby improving the condition that the rigid contact net is easy to cover ice. When the locomotive drives through the ice-covered tunnel, the deicing bow head lifted by the auxiliary bow is provided with a composite deicing structure, so that the problem of incomplete deicing can be effectively solved; the guide rollers on the two sides obviously reduce the violent shaking of the deicing device in the deicing process; the support is provided with the damping devices with two degrees of freedom, so that the deicing device can be effectively attached to an ice layer, hard collision is avoided, a rigid contact net is damaged, and the flexible deicing effect is achieved.
The deicing bow used with the novel T-shaped rigid contact net has good impact resistance, line-attached deicing performance and the like, has remarkable progress compared with the prior art, and has high use value for high-speed railway lines in alpine regions and with multiple tunnels.
Drawings
Fig. 1 is a perspective view of a deicing bow.
Fig. 2 is a side view of a deicing bow.
Fig. 3 is a perspective view of the drum with the elastic means.
Fig. 4 is a schematic view of a novel T-shaped rigid contact net.
Fig. 5 is a contact perspective view of a deicing bow and a novel T-shaped rigid contact net. Wherein, the part names corresponding to the reference numbers are as follows:
1-pallet, 2-deicing metal brush, 3- (guide) roller spindle, 4-guide roller, 5-insulation block (with hole), 6-annular flange, 7-ice guide hole, 8-connecting mechanism (three cylinders), 9-deicing knife, 10-elastic stabilizing device, 11-screw, 12-ice guide plate, 13-bow head base, 14-fastening screw (insulation material), 15-screw (large), 16-pallet bracket, 17-spacing ring, 18-insulation pillar (smooth rod part of fastening screw 14), 19-compression spring, 20-suspension channel steel, 21-supporting insulator, 22-busbar clamp, 23-T-shaped bolt, 24-fastening screw, 25-nut, 26-busbar, 27- (busbar) fixing bolt, 28- (busbar) fixing nut, 29-contact wire.
Detailed Description
Fig. 5 is a view showing a T-shaped rigid contact current collector suitable for alpine regions and tunnels, which consists of a T-shaped rigid contact net and a deicing bow; the T-shaped rigid contact net is composed of a plurality of suspension mechanisms, a bus bar 26 and a contact wire 29, wherein the cross section of the bus bar 26 is in a T shape composed of a horizontal section and a vertical section, a pair of chucks are formed by a section at the lower part of the vertical section, and the contact wire 29 is clamped on the chucks of the bus bar 26 through a fastening bolt 27 and a fastening nut 28; the suspension mechanism is as follows: t-shaped bolts 23 are respectively fixed at two ends of the channel steel 20, tops of the two T-shaped bolts 23 are used for being fixed on the inner wall of the tunnel, the insulator 21 is fixed on the bottom surface of the channel steel 20, the busbar wire clamp 22 is fixed at the bottom of the insulator 21 through bolts, and two ends of a horizontal section of the busbar 26 are respectively clamped and fixed on the busbar wire clamp 20 through fastening bolts 24; deicing bow head structure does: 1 top surface bellying of rectangular layer board is equidistant to be fixed with three deicing metal brushes 2, before layer board 1, back broadside position department is fixed with the deicing sword 9 of shape symmetry respectively, deicing sword 9 forms the blade by a horizontal plane and an arcwall face handing-over, and the horizontal plane of deicing sword and the top surface coplane of layer board 1 lie in deicing metal brush 2 both sides on layer board 1 along the vertical direction roller 4 that is provided with more than a pair of, and this mode of setting does: a square insulating block 5 fixedly connected with the lower part of the roller main shaft 3 is placed in a square hole on the supporting plate 1, the front part of an insulating fastening screw 14 is provided with threads, and the middle rear part is a smooth rod part; after a fastening screw 14 is inserted into a hole on the long side surface of the supporting plate and penetrates through a hole on the insulating block 5, the front part of the fastening screw 14 is screwed on a screw hole of the supporting plate, a compression spring 19 sleeved on the fastening screw 14 is pressed between the head part of the fastening screw 14 and the insulating block 5, meanwhile, the insulating block 5 is movably sleeved on a smooth rod part of the fastening screw 14 through the hole on the insulating block, a bow head base 13 used for being installed and fixed on an auxiliary bow bracket arm is shaped like an H, two rows of three supporting plate brackets 16 are respectively fixed on two sides of the bottom surface of the supporting plate 1 along the long side direction, the lower part of each supporting plate bracket 16 is hinged on the bow head base 13 in a way that the lower part of each supporting plate bracket 16 is movably inserted into a notch on the bow head base 13, the screw 15 extends into the notch of the bow head base and movably penetrates through the hole on the supporting plate, elastic stabilizing devices are respectively arranged on the left side and the right side of the supporting plate bracket 16: a rod is fixed between a pair of ear plates in the middle of the supporting plate bracket 16, another rod is fixed between another pair of ear plates on the bow head base 13, and a spring is fixed between the two rods. The busbar clamp is fixed at the bottom of the insulator (see fig. 5) through four bolts, the cross section of the busbar is formed by connecting a left-right horizontal segment, a vertical upward segment, a left-right horizontal segment, a vertical downward segment and a right-left horizontal segment end to end, and the supporting plate bracket is in a square column shape.
The deicing metal brushes 2 are 3 square deicing metal brushes; an ice guide hole 7 is formed in the position between two adjacent deicing metal brushes 2 on the supporting plate 1; the bow head base 13 is correspondingly provided with an ice guide plate 12 at a position right below the ice guide hole 7, and the ice guide plate 12 is obliquely fixed on the bow head base.
The guide roller 4 is arranged on the roller main shaft 3 through two bearings, the top of the roller main shaft 3 is provided with an annular flange 6 used for limiting, and a limiting ring 17 is sleeved and fixed below the guide roller on the roller main shaft 3. The top surface of the horizontal section of the bus bar 26 is an outwardly convex arc-shaped surface.
The two ice blades 9 are connected to the support plate via three cylinders, respectively, so as to discharge ice debris from the gaps between adjacent cylinders. This novel deicing bow suitable for "T" type rigidity contact net, fixed mounting is in vice bow bracket upper end, and vice bow bottom is equipped with
The insulator isolates the power supply, the auxiliary pantograph rises when the locomotive is about to run to the tunnel, and the deicing bow finishes deicing work before the pantograph contacts with a contact net. The novel deicing device comprises a novel T-shaped bus bar 26, a contact suspension device, a deicing metal brush 2, a supporting plate 1 for fixing the deicing metal brush, deicing knives 9, guide rollers 4, fastening screws 14, a supporting plate support 16, an elastic stabilizing device 10, screws 11 and bow bases 13, wherein the deicing knives are fixed at the front end and the rear end of the supporting plate through a connecting mechanism 8, the two sides of the guide rollers are symmetrically distributed, the elastic stabilizing device 10 is used for fixing the rollers, the supporting plate support 16 is used for fixing the supporting plate support, and the bow bases 13 are connected with.
The working mode of the invention is as follows: the traditional I-shaped busbar is changed into an anti-icing rigid contact net structure with a T-shaped section, and the arc-shaped anti-icing cover is arranged at the top, so that the leaked water on the tunnel wall can slide off from the two sides of the surface of the anti-icing cover after falling on the top of the busbar, and the accumulated water of the busbar is prevented from being frozen. The new-type "T" bus bar 26 is fixed to the support insulator 21 by the bus bar clip 22 and fixed to the tunnel wall by the suspension channel 20 by clamping the contact wire 29 with force by the bus bar fixing bolts 27 and 28.
When the locomotive passes through the ice-coated busbar, the deicing blades 9 connected to the front end and the rear end of the supporting plate 1 through the connecting mechanism 8 carry out deicing operation, and large ice blocks covered on the contact line 29 are removed; the supporting plate 1 is provided with 3 ice removing metal brushes 2 for removing residual crushed ice on the contact line 29, and ice guiding holes 7 are arranged among the ice removing brushes for removing the scraped ice and avoiding the accumulation of ice and snow to aggravate the bearing of the auxiliary bow.
The guide rollers 4 on two sides of the supporting plate 1 are limited by a roller main shaft 3 with one end provided with an annular flange 6, and the other end is limited by a limiting ring 17 fixed on the roller main shaft 3; the other end of the roller main shaft 3 is provided with a perforated insulating block 5, the perforated insulating block 5 is fixed on the supporting plate 1, wherein the insulating block 5 is movably sleeved on an insulating support column 18 through an opening of the insulating block 5, and a compression spring 19 is arranged above the insulating block 5 (the guide roller can move along the axial direction of the insulating support column 18 so as to enable the guide roller to be in elastic contact with the busbar). When the deicing bow passes through a rigid contact net in the tunnel, the guide rollers 4 on two sides can be used for clamping the novel T-shaped busbar 26 to play a role in fixing and guiding, so that severe shaking during thick ice removal by the deicing bow is avoided; when the roller and the two sides of the busbar are in rolling friction contact with part of ice coating, the spring stabilizing device at the bottom can be stretched and contracted through the spring of the spring stabilizing device to avoid hard spots, avoid collision between the guide roller and the busbar and ensure smooth contact between the guide roller and the two sides of the busbar.
The supporting plate 1 is connected with a supporting plate bracket 16, the supporting plate bracket 16 is made of insulating materials, 6 supporting plates are symmetrically distributed, and the purpose is to fix the position of the supporting plate 1 and realize electrical insulation, grooves are symmetrically arranged at the left side and the right side of the bow head base 13, the position of the supporting plate bracket 16 is fixed by a screw (large) 15, a plurality of allowances are left in the grooves, elastic stabilizing devices 10 are symmetrically arranged at the left side and the right side of the supporting plate bracket 16, and the supporting plate bracket 16 and the bow head base 13 are connected by screws 11; in order to prevent the falling ice scraped by the deicing brush and the deicing knife 9 from accumulating on the bow base 13 and aggravate the bearing of the auxiliary bow in the deicing process, the bow base 13 is arranged into an H shape and is provided with an inclined ice guide plate 12 to guide the falling ice to slide to the front side and the rear side of the deicing bow. When the locomotive is at the in-process of high-speed motion, the condition that deicing bow and contact wire 29 produce the off-line takes place occasionally, can influence the deicing effect of deicing bow, and then influence the current collection of pantograph, elasticity stabilising arrangement 10 (spring spiral) can make the ability that has the resilience after layer board 1 swings through the flexible of self, can guarantee that the deicing brush hugs closely contact wire 29 all the time, can reduce the hard collision between deicing bow and the rigid contact net simultaneously, reach the effect of flexible deicing.
Claims (5)
1. The utility model provides a deicing bow suitable for "T" type rigidity contact net which characterized in that, deicing bow structure is: rectangular layer board (1) top surface bellying is equidistant to be fixed with three deicing metallic brushes (2), before layer board (1), back broadside position department is fixed with deicing sword (9) of shape symmetry respectively, deicing sword (9) are by a horizontal plane and an arcwall face handing-over formation blade, the horizontal plane of deicing sword and the top surface coplane of layer board (1), lie in deicing metallic brush (2) both sides on layer board (1) along vertical direction roll (4) that are provided with more than a pair of, this mode of setting is: a square insulating block (5) fixedly connected with the lower part of the roller main shaft (3) is placed in a square hole on the supporting plate (1), the front part of an insulating fastening screw (14) is provided with threads, and the middle rear part is a smooth rod part; after a fastening screw (14) is inserted into a hole on the long side surface of the supporting plate and penetrates through a hole on the insulating block (5), the front part of the fastening screw (14) is screwed on a screw hole of the supporting plate, a compression spring (19) sleeved on the fastening screw (14) is pressed between the head part of the fastening screw (14) and the insulating block (5), meanwhile, the insulating block (5) is movably sleeved on a smooth rod part of the fastening screw (14) through the hole on the insulating block, a bow head base (13) used for being installed and fixed on an auxiliary bow supporting arm is in an H shape, two rows of three supporting plate supports (16) are respectively fixed on two sides of the bottom surface of the supporting plate (1) along the long side direction, the lower part of each supporting plate support (16) is hinged on the bow head base (13) in a mode that the lower part of each supporting plate support (16) is movably inserted into a notch on the bow head base (13), and the screw (15) extends into the notch of the bow head base and movably penetrates through the hole on the supporting plate and, the left side and the right side of the supporting plate bracket (16) are respectively provided with an elastic stabilizing device: a rod piece is fixed between a pair of ear plates in the middle of the supporting plate bracket (16), another rod piece is fixed between another pair of ear plates on the bow head base (13), and the spring is fixed between the two rod pieces.
2. Deicing bow according to claim 1, characterized in that said deicing metal brushes (2) are 3 square deicing metal brushes; an ice guide hole (7) is formed in the position between two adjacent deicing metal brushes (2) on the supporting plate (1); the bow head base (13) is correspondingly provided with an ice guide plate (12) at a position right below the ice guide hole (7), and the ice guide plate (12) is obliquely fixed on the bow head base.
3. Deicing bow according to claim 1, characterized in that the guide rollers (4) are mounted on the roller spindle (3) via two bearings, and the top of the roller spindle (3) has an annular flange (6) serving as a stop, and a stop ring (17) is fitted on the roller spindle (3) below the guide rollers.
4. Deicing bow according to claim 1, characterized in that the top face of the horizontal section of the busbar (26) is an outwardly convex arc-shaped face.
5. Deicing bow according to claim 1, characterized in that two deicing knives (9) are connected to the carrier plate via three cylinders each.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044822.9A CN110667388B (en) | 2019-10-30 | 2019-10-30 | Deicing bow suitable for T-shaped rigid contact net |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044822.9A CN110667388B (en) | 2019-10-30 | 2019-10-30 | Deicing bow suitable for T-shaped rigid contact net |
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| CN110667388A CN110667388A (en) | 2020-01-10 |
| CN110667388B true CN110667388B (en) | 2020-12-18 |
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| SU666111A2 (en) * | 1973-01-11 | 1979-06-05 | И. А. Левин и М. Б. Улановский | Arrangement for removing ice off overhead wires |
| EP2839982A1 (en) * | 2013-08-21 | 2015-02-25 | Société Nationale des Chemins de Fer Français - SNCF | Pantograph for railway vehicle comprising deicing means and method for deicing a pantograph |
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| CN207972539U (en) * | 2018-03-21 | 2018-10-16 | 大同新成新材料股份有限公司 | A kind of pantograph with limit impurity removal mechanism |
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| CN110303891A (en) * | 2019-07-17 | 2019-10-08 | 西南交通大学 | Self-lubricating modular metal roller block of bow collector of electric locomotive bow containing shock-damping structure |
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2019
- 2019-10-30 CN CN201911044822.9A patent/CN110667388B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU666111A2 (en) * | 1973-01-11 | 1979-06-05 | И. А. Левин и М. Б. Улановский | Arrangement for removing ice off overhead wires |
| EP2839982A1 (en) * | 2013-08-21 | 2015-02-25 | Société Nationale des Chemins de Fer Français - SNCF | Pantograph for railway vehicle comprising deicing means and method for deicing a pantograph |
| JP2017079495A (en) * | 2015-10-19 | 2017-04-27 | 東日本旅客鉄道株式会社 | Power collector for railway vehicle |
| CN207972539U (en) * | 2018-03-21 | 2018-10-16 | 大同新成新材料股份有限公司 | A kind of pantograph with limit impurity removal mechanism |
| CN208101715U (en) * | 2018-04-02 | 2018-11-16 | 大同新成新材料股份有限公司 | A kind of carbon slipper for pantograph |
| CN110303891A (en) * | 2019-07-17 | 2019-10-08 | 西南交通大学 | Self-lubricating modular metal roller block of bow collector of electric locomotive bow containing shock-damping structure |
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| Title |
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| 受电弓融冰技术研究方法综述;陈惠，曹志华;《大众科技》;20161130;第18卷(第207期);第34-35 * |
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