CN109774542B - Gas-electric heating power coupling type railway contact net renovation device and method - Google Patents
Gas-electric heating power coupling type railway contact net renovation device and method Download PDFInfo
- Publication number
- CN109774542B CN109774542B CN201910194499.7A CN201910194499A CN109774542B CN 109774542 B CN109774542 B CN 109774542B CN 201910194499 A CN201910194499 A CN 201910194499A CN 109774542 B CN109774542 B CN 109774542B
- Authority
- CN
- China
- Prior art keywords
- contact
- contact line
- gas
- air
- supporting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000008878 coupling Effects 0.000 title claims abstract description 16
- 238000010168 coupling process Methods 0.000 title claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 16
- 238000005485 electric heating Methods 0.000 title claims abstract description 15
- 238000009418 renovation Methods 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims abstract description 7
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229940112669 cuprous oxide Drugs 0.000 claims abstract description 7
- 238000005242 forging Methods 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 abstract 4
- 239000010949 copper Substances 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a gas-electric heating force coupling type railway contact net renovation device and a method, comprising upright posts arranged at two sides of a rail and a vehicle body moving on the rail, wherein a suspension cable is hung on a cantilever support fixed on the side wall of the adjacent upright posts through bolts, the curved bottom end of the suspension cable is sleeved with an upper joint, a suspension string is wound on the upper joint, the bottom of the suspension string is sleeved with a lower joint, the lower joint is connected with a contact line, the bottom of the contact line is a copper wire, air is sucked in a pipeline connected with an air bag and an air cylinder, the volume of gas in the air cylinder is changed, an upper support rod is slowly lifted until the upper support rod is connected with the contact line, the vehicle body is electrified after the contact line is connected with the contact line, the air bag stops working, the air is discharged towards the contact line from a pipe orifice connected with a thermal pipe orifice, the end of a copper wire of the contact line generates a radial force of 1-10 Mpa and shakes, Generating axial upsetting force of 300-450 Mpa, generating deformation energy of about 6mm forging plastic strain, and extruding cuprous oxide.
Description
Technical Field
The invention relates to a device and a method for renovating a railway contact net, in particular to a device and a method for renovating a railway contact net in a gas-electric heating force coupling mode.
Background
The railway electric contact net is made of copper Cu wires with unit length of 1km, and is manufactured and installed in a railway factory, the railway electric engineering adopts a known manufacturing method, the end faces of two unit copper Cu wires are firstly attached tightly, the two unit copper Cu wires are mechanically fixed by using a splint, and then the electric contact net with a mechanical connection structure is formed, the contact gap is the inherent characteristic of the mechanical connection structure, the electric performance of the electric contact net with the contact gap is extremely unstable, the running quality of an electrified locomotive is difficult to guarantee, and the electric contact net is contrary to the high-efficiency energy-saving green industry: firstly, the contact resistance at the contact gap is 80000M Ω which is much higher than 400M Ω of Cu, obviously affecting the stability of the electrical performance of the contact system, secondly, the contact gap is equivalent to a capillary tube, the capillary force tends to induce the absorption of water, dust and other pollutants, and the resistance heat increases the temperature at the contact gap to promote the oxidation corrosion of the Cu wire of the contact system, in addition, the reliability of the pneumatic driving system is relatively unstable, mainly because the pneumatic driving system is driven by compressed air, the compressibility of the air is large, and the reaction is slow, so when the rolling stock is in operation, if a violent vibration occurs, the bad contact phenomenon of the pantograph is easily generated, in addition, the conductive quality at the contact gap is in a vicious circle, the phenomena of arc striking and spark jumping often occur, which not only affects the driving safety, and the maintenance workload of the electric contact net is increased, the traction power of the locomotive is increased along with the acceleration of the train, and the problems are more prominent.
Disclosure of Invention
The invention aims to provide a gas-electric heating power coupling type railway contact net renovation device and a method, which have the advantages of improving the firm connection of a contact net and removing rust on a contact net wire, and solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a gas-electric heating force coupling type railway contact net renovation device comprises upright columns arranged on two sides of a rail and a vehicle body moving on the rail, wherein a catenary is hung on the side wall of each adjacent upright column through a cantilever support fixed by bolts, the bottommost end of the bend of the catenary is sleeved with an upper joint, a dropper is wound on the upper joint, a lower joint is sleeved at the bottom of the dropper and connected with a contact wire, the bottom of the contact wire is made of copper wire, a damping shell is arranged at the top of the vehicle body, a sleeve with an upward opening is fixed on the inner bottom wall of the damping shell, a main rod is movably arranged in the sleeve, the bottom end of the main rod is also connected with a spring in the sleeve, the top end of the main rod penetrates through the shell of the damping shell and is connected with an insulator, a base is arranged on the top of the insulator, supporting plates which are symmetrical to each other are welded on the side edge of the base in the length direction, and an air bag clamped between the supporting plates is also fixed at the rear end of the upper surface of the base, run through on the front and back both ends of backup pad rotatory front axle and rear axle, be fixed with lower part branch on the front axle, be fixed with the cylinder on the rear axle, the activity has upper portion branch on the bolt that runs through on the port of lower part branch, and the one end and the gasbag of cylinder pass through pipeline sealing connection, install flexible bracing piece in the other end of cylinder, and the port of bracing piece is connected with the outer wall sphericity of lower part branch, install the slide on the tail end of upper portion branch, the contact zone that covers on the slide table is connected with contact line contact, and the slide is located the heating power mouth of pipe of port orientation contact line still installed on the lateral wall on one side of contact zone, and the heating power mouth of pipe passes through the pipeline with the gasbag and meets.
Furthermore, an annular groove is further formed in the outer peripheral surface, connected with the sleeve, of the main rod, and a limiting ring is fixed to the opening aperture of the sleeve and sleeved outside the groove.
Further, 6wt% of active reducing gas is added into the pneumatic gas at the joint of the air bag and the thermal nozzle.
Furthermore, a shell of the damping shell is provided with a sealing ring which is matched with the diameter of the main rod, and the contact part of the slot hole and the main rod is embedded with the sealing ring.
The invention provides another technical scheme, and a method of a gas-electric heating power coupling type railway contact net renovation device comprises the following steps:
s1: the air is sucked in a pipeline connected with the air bag and the air cylinder, the volume of the air in the air cylinder is changed, the supporting rod slowly shrinks into the air cylinder, and the lower supporting rod connected with the supporting rod rotates anticlockwise by taking the front shaft as the center;
s2: in the process of rotating the lower supporting rod, the upper supporting rod connected with the lower supporting rod keeps a horizontal state, and the upper supporting rod slowly rises upwards until the upper supporting rod is connected with the contact belt and the contact line;
s3: after the contact belt is connected with the contact line, the vehicle body is electrified, the air bag stops working, the upper support rod keeps the rising height, and the vehicle body moves on the track;
s4: the gas is discharged towards the contact line from the pipe orifice of the air bag connected with the thermal pipe orifice, and the gas flow is 4L/min-10L/min;
s5: the contact wire copper wire end generates 1MPa-10MPa radial force and generates jitter.
Further, in S5, the contact line excitation frequency is 10kHZ or less, the vibration friction mechanical energy with the amplitude of 1-10mm, the axial upsetting force of 300MPa-450MPa, the deformation energy of about 6mm forging plastic strain are generated, and cuprous oxide is extruded.
Compared with the prior art, the invention has the beneficial effects that:
the gas and electric heating power coupling type railway contact net renovation device and method are characterized in that a pipeline connected with an air bag and an air cylinder sucks air, the volume of gas in the air cylinder changes, an upper support rod slowly rises upwards until the upper support rod is connected with a contact belt and a contact line, a vehicle body is electrified after the contact belt is connected with the contact line, the air bag stops working, gas is discharged towards the contact line from a pipe orifice connected with a thermal pipe orifice of the air bag, and the gas flow is 4L/min-10L/min; the end of the copper wire of the contact line generates a radial force of 1Mpa-10Mpa and generates vibration, the contact line excitation frequency is below 10kHZ, the vibration friction mechanical energy of the amplitude is 1-10mm, the axial upsetting force of 300Mpa-450Mpa is generated, the distortion energy of forging plastic strain of about 6mm is generated, and cuprous oxide is extruded and discharged.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is an enlarged view A of FIG. one of the present inventions;
FIG. 3 is a top view of the present invention;
fig. 4 is a view showing an internal structure of a damper case according to the present invention.
In the figure: 1. a column; 11. a catenary cable; 111. an upper joint; 2. a vehicle body; 21. a shock-absorbing shell; 211. a sleeve; 2111. a spring; 3. a dropper; 31. a lower joint; 4. a contact line; 5. an insulator; 51. a main rod; 6. a base; 61. a support plate; 611. a front axle; 612. a rear axle; 62. an air bag; 7. a lower strut; 8. a cylinder; 81. a support bar; 9. an upper support rod; 91. a slide plate; 911. a contact strip; 912. thermal nozzle.
Detailed Description
The technical scheme in the embodiment of the invention will be made clear below by combining the attached drawings in the embodiment of the invention; fully described, it is to be understood that the described embodiments are merely exemplary of some, but not all, embodiments of the invention and that all other embodiments, which can be derived by one of ordinary skill in the art based on the described embodiments without inventive faculty, are within the scope of the invention.
Referring to fig. 1-3, a pneumatic and electric heating power coupling railway catenary renovation device comprises columns 1 arranged at two sides of a rail and a vehicle body 2 moving on the rail, wherein a catenary 11 is hung on a cantilever support fixed on the side wall of the adjacent column 1 through a bolt, an insulating mechanism is also arranged on the cantilever support and can avoid electric conduction, an upper joint 111 is sleeved at the curved bottommost end of the catenary 11, the catenary 11 is composed of a plurality of strands of wires with strong hardness, the upper joint 111 is fixed on the catenary 11, a dropper 3 is wound on the upper joint 111, a lower joint 31 is sleeved at the bottom of the dropper 3, the lower joint 31 is connected with a contact wire 4, the bottom of the contact wire 4 is a copper wire, the lower joint 31 is connected with the contact wire 4 without an insulating material covering the copper wire, high voltage is communicated on the contact wire 4 to provide power for the movement of the contact wire 2, a base 6 is arranged on the top of the vehicle body 5, the side edge of the base 6 along the length direction is welded with the supporting plates 61 which are symmetrical to each other, the supporting plates 61 are perpendicular to the base 6, the rear end of the upper surface of the base 6 is also fixed with the air bag 62 clamped between the supporting plates 61, the position of the air bag 62 is fixed, the front end and the rear end of the supporting plate 61 are penetrated with the front shaft 611 and the rear shaft 612 which rotate, the front shaft 611 and the rear shaft 612 can both rotate, the front shaft 611 is fixed with the lower supporting rod 7, the front shaft 611 can drive the lower supporting rod 7 to rotate, the rear shaft 612 is fixed with the air cylinder 8 which can also drive the air cylinder 8 to rotate, the bolt penetrating through the port of the lower supporting rod 7 is movably provided with the upper supporting rod 9, one end of the air cylinder 8 is connected with the air bag 62 in a sealing way through a pipeline, the other end of the air cylinder 8 is internally provided with the telescopic supporting rod 81, the port of the supporting rod 81 is connected with the outer wall of the lower supporting rod 7 in a spherical way, when the air bag 62 is inflated or sucked towards the air cylinder 8, the volume in the cylinder 8 changes, the supporting rod 81 stretches in the cylinder 8 to drive the lower supporting rod 7 connected with the supporting rod to move, the lower supporting rod 7 and the cylinder 8 rotate, the front shaft 611 and the rear shaft 612 help to rotate, the tail end of the upper supporting rod 9 is provided with the sliding plate 91, the upper supporting rod 9 rotates in the process of the lower supporting rod 7, the contact strip 911 covered on the surface of the sliding plate 91 is contacted and connected with the contact line 4 and is electrically conductive after being connected, the side wall of the sliding plate 91 which is positioned beside the contact strip 911 is also provided with a thermal nozzle 912 with the port facing to the contact line 4, the thermal nozzle 912 is connected with the air bag 62 through a pipeline, the air bag 62 is connected with the thermal nozzle 912, 6wt% of active reducing gas is added into the pneumatic gas, and a thermal power coupling external field is textured at the end part of a copper wire of a railway power contact net, so that rust adsorbed on a contact wire 4 can be removed.
Referring to fig. 4, a damping shell 21 is installed at the top of the vehicle body 2, a sleeve 211 with an upward opening is fixed on the inner bottom wall of the damping shell 21, a main rod 51 is movably arranged in the sleeve 211, an annular groove is further formed on the outer peripheral surface of the main rod 51 connected with the sleeve 211, a limiting ring is fixed on the opening caliber of the sleeve 211 and is sleeved outside the groove, the main rod 51 can move up and down in the sleeve 211, the limiting ring and the groove are connected to enable the main rod to move up and down only within a certain range while moving up and down in the sleeve 211, the bottom end of the main rod 51 is connected with a spring 2111 in the sleeve 211, the spring 2111 plays a role of supporting the main rod 51 and absorbs momentum generated during vibration, the top end of the main rod 51 penetrates through the shell of the damping shell 21 to be connected with an insulator 5, the insulator 5 isolates the possibility of being transmitted to the surface of the vehicle body 2 during power transmission, the shell of the damping shell 21 is provided with a diameter matched with the main rod 51, the contact part of the slot hole and the main rod 51 is embedded with a sealing ring to avoid gas and liquid from entering.
The invention provides another technical scheme, and a method of a gas-electric heating power coupling type railway contact net renovation device comprises the following steps:
the method comprises the following steps: the air is sucked in the pipeline of the air bag 62 connected with the air cylinder 8, the volume of the air in the air cylinder 8 is changed, the supporting rod 81 is slowly contracted into the air cylinder 8, and the lower supporting rod 7 connected with the supporting rod 81 rotates anticlockwise by taking the front shaft 611 as the center;
step two: in the process of rotating the lower supporting rod 7, the upper supporting rod 9 connected with the lower supporting rod 7 keeps a horizontal state, and the upper supporting rod 9 slowly rises upwards until the upper supporting rod is connected with the contact belt 911 and the contact line 4;
step three: after the contact belt 911 is connected with the contact line 4, the vehicle body 2 is electrified, the air bag 62 stops working, the upper support rod 9 keeps the rising height, and the vehicle body 2 moves on the track;
step four: the gas is discharged towards the contact line 4 from the pipe orifice of the air bag 62 connected with the thermal pipe orifice 912, and the gas flow is 4L/min-10L/min;
step five: the end of the copper wire of the contact line 4 generates a radial force of 1Mpa to 10Mpa and generates vibration, the excitation frequency of the contact line 4 is less than 10kHZ, the vibration friction mechanical energy of the amplitude is 1 mm to 10mm, the axial upsetting force is 300Mpa to 450Mpa, the deformation energy of forging plastic strain is generated about 6mm, and cuprous oxide is extruded.
In conclusion, according to the gas and electric heating power coupling type railway contact net renovation device and the method, gas is sucked in a pipeline connected with the air bag 62 and the air cylinder 8, the volume of gas in the air cylinder 8 changes, the upper support rod 9 slowly rises until the upper support rod is connected with the contact strip 911 and the contact line 4, the vehicle body 2 is electrified after the contact strip 911 is connected with the contact line 4, the air bag 62 stops working, gas is discharged towards the contact line 4 from a pipe orifice connected with the thermal pipe orifice 912 of the air bag 62, and the gas flow is 4L/min-10L/min; the end of the copper wire of the contact line 4 generates a radial force of 1Mpa to 10Mpa and generates vibration, the excitation frequency of the contact line 4 is less than 10kHZ, the vibration friction mechanical energy of the amplitude is 1 mm to 10mm, the axial upsetting force is 300Mpa to 450Mpa, the deformation energy of forging plastic strain is generated about 6mm, and cuprous oxide is extruded.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (4)
1. A gas-electric heating power coupling type railway contact net renovation device is characterized by comprising upright posts (1) arranged on two sides of a rail and a vehicle body (2) moving on the rail, wherein a catenary (11) is hung on the side wall of the adjacent upright posts (1) through a cantilever support fixed by bolts, an upper joint (111) is sleeved at the curved lowest end of the catenary (11), a dropper (3) is wound on the upper joint (111), a lower joint (31) is sleeved at the bottom of the dropper (3), the lower joint (31) is connected with a contact wire (4), the bottom of the contact wire (4) is a copper wire, a damping shell (21) is arranged at the top of the vehicle body (2), a sleeve (211) with an upward opening is fixed on the inner bottom wall of the damping shell (21), a main rod (51) is movably arranged in the sleeve (211), the bottom end of the main rod (51) is also connected with a spring (2111) in the sleeve (211), the shell that the top of mobile jib (51) passed shock attenuation shell (21) is connected with insulator (5), install base (6) on the top of insulator (5), base (6) have backup pad (61) of mutual symmetry along length direction's side welding, the upper surface rear end of base (6) still is fixed with gasbag (62) of centre gripping between backup pad (61), run through rotatory front axle (611) and rear axle (612) on both ends around backup pad (61), be fixed with lower part branch (7) on front axle (611), be fixed with cylinder (8) on rear axle (612), the activity has upper portion branch (9) on the bolt that runs through on the port of lower part branch (7), the one end and gasbag (62) of cylinder (8) pass through pipeline sealing connection, install flexible bracing piece (81) in the other end of cylinder (8), the port and the outer wall sphericity of lower part branch (7) of bracing piece (81), a sliding plate (91) is mounted at the tail end of the upper support rod (9), a contact strip (911) covered on the surface of the sliding plate (91) is in contact connection with the contact line (4), a thermal nozzle (912) with a port facing the contact line (4) is further mounted on the side wall of the sliding plate (91) beside the contact strip (911), and the thermal nozzle (912) is connected with the air bag (62) through a pipeline; an annular groove is further formed in the outer peripheral surface of the main rod (51) connected with the sleeve (211), and a limiting ring is fixed on the opening caliber of the sleeve (211) and sleeved outside the groove; 6wt% of active reducing gas is added into the pneumatic gas at the joint of the air bag (62) and the thermal nozzle (912); the gas is discharged towards the contact line from the pipe orifice of the air bag connected with the thermal pipe orifice, and the gas flow is 4L/min-10L/min; the end of the copper wire of the contact line generates a radial force of 1Mpa-10Mpa and generates vibration, the contact line excitation frequency is below 10kHZ, the vibration friction mechanical energy of the amplitude is 1-10mm, the axial upsetting force of 300Mpa-450Mpa is generated, the distortion energy of 6mm forging plastic strain is generated, and cuprous oxide is extruded and discharged.
2. The gas-electric heating power coupling type railway contact net renovation device of claim 1, which is characterized in that: the shell of the damping shell (21) is provided with a sealing ring which is matched with the diameter of the main rod (51), and the contact part of the slot hole and the main rod (51) is embedded with the sealing ring.
3. The method for the gas-electric heating power coupling railway contact net renovation device of claim 1, which is characterized by comprising the following steps:
s1: the air bag (62) sucks air in a pipeline connected with the air cylinder (8), the volume of the air in the air cylinder (8) changes, the supporting rod (81) slowly contracts into the air cylinder (8), and the lower supporting rod (7) connected with the supporting rod (81) rotates anticlockwise by taking the front shaft (611) as the center;
s2: in the process of rotating the lower supporting rod (7), the upper supporting rod (9) connected with the lower supporting rod (7) is kept in a horizontal state, and the upper supporting rod (9) slowly rises upwards until the upper supporting rod is connected with the contact belt (911) and the contact line (4);
s3: after the contact belt (911) is connected with the contact line (4), the vehicle body (2) is electrified, the air bag (62) stops working, the upper support rod (9) keeps the rising height, and the vehicle body (2) moves on the track;
s4: the air bag (62) and the pipe orifice connected with the thermal pipe orifice (912) discharge air towards the contact line (4), and the air flow is 4L/min-10L/min;
s5: the end of the copper wire of the contact wire (4) generates a radial force of 1MPa-10MPa and generates jitter.
4. The method for the gas-electric heating power coupling type railway contact net renovation device of claim 3, characterized in that, aiming at the S5, the contact line (4) excitation frequency is below 10kHZ, the vibration friction mechanical energy with the amplitude of 1-10mm, the axial upsetting force with the amplitude of 300-450 MPa is generated, the distortion energy with the forging plastic strain of 6mm is generated, and cuprous oxide is extruded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910194499.7A CN109774542B (en) | 2019-03-14 | 2019-03-14 | Gas-electric heating power coupling type railway contact net renovation device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910194499.7A CN109774542B (en) | 2019-03-14 | 2019-03-14 | Gas-electric heating power coupling type railway contact net renovation device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109774542A CN109774542A (en) | 2019-05-21 |
| CN109774542B true CN109774542B (en) | 2022-04-22 |
Family
ID=66487969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910194499.7A Expired - Fee Related CN109774542B (en) | 2019-03-14 | 2019-03-14 | Gas-electric heating power coupling type railway contact net renovation device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109774542B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2249953Y (en) * | 1996-02-08 | 1997-03-19 | 周求定 | Pneumatic cleaner for cleaning active isolators |
| CN2439971Y (en) * | 2000-09-09 | 2001-07-25 | 宋明让 | Adjustable insulated integral hanger |
| DE10138294C1 (en) * | 2001-08-10 | 2003-02-06 | Db Netz Ag | Method for replacing a contact wire fastened with suspenders on a support cable on an overhead line for a rail track runs a continuous operation by reeling in an old wire at the same time as drawing out a new wire at a best cable tension |
| CN1736764A (en) * | 2004-08-16 | 2006-02-22 | 曾进忠 | Constant tension stringing carriage device of electrified railroad touch net |
| CN103358916A (en) * | 2013-08-01 | 2013-10-23 | 南车株洲电力机车有限公司 | Electrically driven vehicle and power receiving device thereof |
| CN206416858U (en) * | 2016-12-27 | 2017-08-18 | 山西佳诚液压有限公司 | The compound pantograph of hydraulic pressure |
| CN207725227U (en) * | 2017-12-21 | 2018-08-14 | 湖北工程学院 | Be self-regulated pantograph system and high-speed electric train |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207449670U (en) * | 2017-11-23 | 2018-06-05 | 北京铁路局天津供电段 | For cleaning the cleaning system of electrification railway contact net |
-
2019
- 2019-03-14 CN CN201910194499.7A patent/CN109774542B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2249953Y (en) * | 1996-02-08 | 1997-03-19 | 周求定 | Pneumatic cleaner for cleaning active isolators |
| CN2439971Y (en) * | 2000-09-09 | 2001-07-25 | 宋明让 | Adjustable insulated integral hanger |
| DE10138294C1 (en) * | 2001-08-10 | 2003-02-06 | Db Netz Ag | Method for replacing a contact wire fastened with suspenders on a support cable on an overhead line for a rail track runs a continuous operation by reeling in an old wire at the same time as drawing out a new wire at a best cable tension |
| CN1736764A (en) * | 2004-08-16 | 2006-02-22 | 曾进忠 | Constant tension stringing carriage device of electrified railroad touch net |
| CN103358916A (en) * | 2013-08-01 | 2013-10-23 | 南车株洲电力机车有限公司 | Electrically driven vehicle and power receiving device thereof |
| CN206416858U (en) * | 2016-12-27 | 2017-08-18 | 山西佳诚液压有限公司 | The compound pantograph of hydraulic pressure |
| CN207725227U (en) * | 2017-12-21 | 2018-08-14 | 湖北工程学院 | Be self-regulated pantograph system and high-speed electric train |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109774542A (en) | 2019-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109774542B (en) | Gas-electric heating power coupling type railway contact net renovation device and method | |
| CN111335653A (en) | Building site panel hoisting device based on high pressure principle of breathing in | |
| CN110424300A (en) | A kind of noninductive safety check apparatus of inspection station wisdom | |
| CN204823755U (en) | Monkey buffer | |
| CN104741489B (en) | A kind of sack cleaner framework pushing out ring welder | |
| CN210661687U (en) | Electro-hydraulic hammer pipeline mounting bracket | |
| CN209083008U (en) | A kind of upper traveling appts. for transferring ready-mixed concrete | |
| CN110154767B (en) | Multi-ring structure electric locomotive pantograph head | |
| CN207737126U (en) | Electric locomotive and its pantograph | |
| CN215883324U (en) | Pantograph for light rail subway | |
| CN112498113B (en) | Flexible crawler-type pantograph bow suitable for electric traction locomotive | |
| KR200460764Y1 (en) | Curved pullout for preventing circulating current failure | |
| CN201483146U (en) | Pneumatic double-faced spot welding machine of EPS wire inserting net board | |
| CN211490058U (en) | Transverse moving device for welding spots in vacuum welding box | |
| CN210945684U (en) | Telescopic lifting mechanism for steel wire water-bath heating treatment | |
| CN208970249U (en) | A kind of New-core group damping arrester | |
| CN206958107U (en) | A kind of bushing mounting structure | |
| CN208650051U (en) | A kind of permanent stand column pile steel bushing interface arrangement | |
| CN206425729U (en) | A kind of drilling rod special welding equipment | |
| CN206533105U (en) | A kind of wire clamp | |
| CN211972950U (en) | Building roadbed reinforcing device | |
| CN202541752U (en) | Front hanging device of three-wheel motorcycle | |
| CN219914127U (en) | Heat exchange device for air compressor | |
| CN216833187U (en) | High-strength protective automobile engine mounting bracket | |
| CN220388340U (en) | Multi-strand cluster welding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220422 |