CN212462606U - Quick tight line of railway contact net broken string undulates device - Google Patents
Quick tight line of railway contact net broken string undulates device Download PDFInfo
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- CN212462606U CN212462606U CN202021957413.6U CN202021957413U CN212462606U CN 212462606 U CN212462606 U CN 212462606U CN 202021957413 U CN202021957413 U CN 202021957413U CN 212462606 U CN212462606 U CN 212462606U
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- rotating shaft
- tightening
- ratchet wheel
- contact net
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Abstract
The utility model discloses a quick tight line undulation device of railway contact net broken string, it can drive the bobbin to rotate fast, then the contact net line of quick coiling, also can be under the circumstances of exerting less moment, drive the comparatively slow rotation of bobbin, it is laborsaving, convenient, whole operation can realize the quick tightening up of contact net line, owing to designed chucking mechanism, therefore through making chucking mechanism be in the block state, can avoid the contact net line to loosen and take up in the process of tightening up, then realize its quick tightening up, after handling contact net wire broken string trouble, can make chucking mechanism be in the separate state, then loosen the contact net line; through the device, can make railway contact net broken string trouble take place the back and fluctuate fast, shorten the fault handling time, can reduce the operation personnel, improve the effect of working, can reduce high altitude construction personnel safety risk coefficient, the device can adopt the portable confession torque of crank, also can adopt new forms of energy actuating mechanism to provide the torque, solar motor for example.
Description
Technical Field
The utility model relates to a railway power supply contact net maintenance technical field particularly, relates to a quick tight line of railway contact net broken string undulates device.
Background
The overhead line system serving as the power supply equipment is always in a stressed vibration state in the process of contacting with a pantograph of the locomotive, and therefore, when the overhead line system serving as the power supply equipment contacts with the pantograph of the locomotive, an overhead line system disconnection accident may occur or a contact disconnection accident may occur due to other natural disasters, so how to repair the overhead line system quickly in time and restore normal operation of a line after the disconnection accident occurs is a problem that the power supply system always aims to solve.
At present, when a contact net wire breakage accident is handled, a chain tightener (a lever block) is generally used for tightening a broken wire, when the broken wire is rush-repaired, an operator needs to carry a wire clamping device and a chain tightener to go up a vehicle ladder and be well installed and fixed at high altitude, two persons are matched to shake a tightener handle to tighten the broken wire at high altitude, when the broken wire is stuck by a compensating device or an anchor section is too long, the wire breakage tension is large, the resistance is large when the high altitude operator tightens the wire, the wire tightening time can be longer, the general wire tightening time needs more than ten minutes or even longer time, the accident handling work is influenced, the train operation time is delayed, the broken wire is often temporarily connected firstly, the line operation is restored firstly, then the broken wire is restored secondarily, the technical standard is restored, and therefore, the broken wire restoration accident needs to be handled in two steps, and the labor and the time are consumed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a quick tight line of railway contact net broken string undulates device, and it can alleviate above-mentioned problem.
In order to alleviate the above-mentioned problem, the utility model discloses the technical scheme who takes as follows:
a quick wire-tightening fluctuation device for a broken wire of a railway contact network comprises a bracket, wherein the bracket is provided with a wire-tightening mechanism and a rail clamping groove positioned below the wire-tightening mechanism;
the wire tensioning mechanism comprises a clamping mechanism, a winding drum, a rotating shaft I and a rotating shaft II which are rotatably connected to the bracket through bearings;
the rotating shaft I and the rotating shaft II are parallel to the same horizontal plane, and both ends of the rotating shaft I and the rotating shaft II penetrate out of the bracket and are processed into prism structures to be used as torque input ends;
the non-prismatic parts at the two ends of the rotating shaft I are respectively in key connection with a gearwheel I and a pinion I, the non-prismatic parts at the two ends of the rotating shaft II are respectively in key connection with a gearwheel II and a pinion II, the gearwheel I is meshed with the pinion II, and the pinion I is meshed with the gearwheel II;
the winding drum is fixedly sleeved on the rotating shaft II, and a hanging rope convex support for hanging and contacting a network cable is arranged on the winding drum;
the clamping mechanism is used for acting on the rotating shaft I and has two states of clamping and separating, when the clamping mechanism is in the clamping state, the rotating shaft I can only rotate in the forward direction, and when the clamping mechanism is in the separating state, the rotating shaft I can rotate in the forward direction and the reverse direction.
The scheme designs a rail clamping groove, the whole device can be fixed at a rail position corresponding to the lower part of the broken line of the contact net through the rail clamping groove, torque can be input into the device through a torque input end to enable a winding drum to rotate for winding and contacting the net line, when torque is input into a torque input end of a rotating shaft II, the winding drum can rapidly rotate and then rapidly wind and contact the net line, when torque is input into a torque input end of one side of the rotating shaft I provided with a pinion I, the winding drum can be driven to rotate under the condition of applying smaller torque, the whole operation can realize rapid tightening of the contact net line, due to the design of the clamping mechanism, the contact net line can be prevented from loosening in the tightening process by enabling the clamping mechanism to be in a clamping state, then rapid tightening of the contact net line can be realized, after the broken line fault of the contact net wire is processed, the clamping mechanism can be in a separated state, then the contact net wire is loosened; through the device, can make railway contact net break line trouble take place the back and fluctuate fast, shorten the fault handling time, railway contact net overhauls the A, B values that the operation can quick adjustment hold anchor and line anchor, can reduce the operating personnel, improves the effect of working, can reduce high altitude construction personnel safety risk coefficient.
In a preferred embodiment of the present invention, the bottom of the support is provided with four support legs extending to the lower side of the rail clamping groove, wherein the support legs are equipped with two tie bolts, when the rail clamping groove is clamped on a rail, the tie bolts can assist and reinforce the whole support on the rail.
In a preferred embodiment of the present invention, two of the tension bolts are arranged in parallel, one of the tension bolts is detachably connected to two of the support legs in a tensioned manner, and the other tension bolt is detachably connected to the other two support legs in a tensioned manner.
In a preferred embodiment of the present invention, the two ends of the bobbin are both provided with wire blocking discs.
The wire blocking disc designed in the scheme can avoid friction between the contact net wire wound on the winding drum and the support.
In a preferred embodiment of the present invention, the clamping mechanism is a ratchet mechanism, which includes a ratchet, a ratchet claw, a spring and a shift lever; the ratchet wheel is sleeved on the rotating shaft I and is fixedly connected with the large gear I; the tail of the ratchet wheel clamping jaw is fixedly connected with the driving lever through a connecting rod, the connecting rod is rotatably connected with the support, one end of the spring is connected with the ratchet wheel clamping jaw, the other end of the spring is connected with the support, when the driving lever is not stirred, the ratchet wheel mechanism is in a clamping state, the claw tip part of the ratchet wheel clamping jaw is clamped in the tooth socket of the ratchet wheel under the action of the tensile force of the spring, the ratchet wheel mechanism can be adjusted to be in a separated state through stirring the driving lever, and at the moment, the claw tip of the ratchet wheel clamping jaw overcomes the tensile force of the spring and completely breaks away from the tooth socket of the ratchet wheel.
In a preferred embodiment of the present invention, the ratchet wheel is fixedly connected to the gear wheel i by three rivets.
The utility model discloses an in a preferred embodiment, the ratchet jack catch is provided with the link, the one end of spring is through being fixed in the support, the other end articulate in on the link of ratchet jack catch.
In a preferred embodiment of the present invention, the device is equipped with a crank for providing torque to the torque input, the crank being provided with a prismatic sleeve for mating with the torque input for sleeving.
The crank that has adopted in this scheme is as torque input instrument, its simple structure, low in manufacturing cost is honest and clean, convenient to use.
In a preferred embodiment of the present invention, the device is equipped with a solar motor for providing torque to the torque input, the motor is connected to the torque input of a speed reducer, and the torque output of the speed reducer is a prismatic sleeve structure for matching and sleeving with the torque input of the device.
The solar motor that has adopted in this scheme provides the torque, need not the manual work and provides the torque, practices thrift the manpower, and on the railway, general sunshine is sufficient, therefore solar motor's power is comparatively sufficient, environmental protection moreover.
In a preferred embodiment of the present invention, the solar motor and the speed reducer are both fixed to a flat car, and the solar panel of the solar motor is installed in the flat car in an inclined manner.
Adopt the flatbed as the carrier of solar motor and reduction gear isotructure in this scheme, be convenient for shift.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a top view structure of the broken line quick tightening fluctuation device for the railway contact network of the present invention;
fig. 2 is a schematic view of a three-dimensional structure of the rapid line tightening fluctuation device for the broken line of the railway contact network of the utility model;
fig. 3 is a schematic side view of the rapid line tightening fluctuation device for the broken line of the railway contact network of the present invention;
fig. 4 is a schematic view of a top view structure of the broken line quick tightening fluctuation device for the railway contact network of the present invention;
wherein each of fig. 1, 2 and 3 is fitted with a crank by which torque can be supplied to the device, and fig. 4 is fitted with a solar motor by which torque can be supplied to the device;
reference numbers in the figures: 1-bracket, 2-rotating shaft I, 3-rotating shaft II, 4-bobbin, 5-wire blocking disc, 6-big gear I, 7-big gear II, 8-small gear I, 9-small gear II, 10-driving lever, 11-rope hanging convex support, 12-crank, 13-tensioning bolt, 14-spring, 15-ratchet claw, 16-rail clamping groove, 17-ratchet, 18-rivet, 19-solar motor, 20-solar panel, 21-reducer and 22-flat car.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the utility model provides a quick wire tightening undulation device for a broken wire of a railway contact system, which comprises a bracket 1, wherein the bracket 1 is provided with a wire tightening mechanism and a rail clamping groove 16 positioned below the wire tightening mechanism; the wire tensioning mechanism comprises a clamping mechanism, a winding drum 4, a rotating shaft I2 and a rotating shaft II 3 which are rotatably connected to the bracket 1 through bearings; the rotating shaft I2 and the rotating shaft II 3 are parallel to the same horizontal plane, and both ends of the rotating shaft I2 and the rotating shaft II 3 penetrate out of the bracket 1 and are processed into prism structures to be used as torque input ends; the non-prismatic parts at the two ends of the rotating shaft I2 are respectively in key connection with a bull gear I6 and a pinion gear I8, the non-prismatic parts at the two ends of the rotating shaft II 3 are respectively in key connection with a bull gear II 7 and a pinion gear II 9, the bull gear I6 is meshed with the pinion gear II 9, and the pinion gear I8 is meshed with the bull gear II 7; the winding reel 4 is fixedly sleeved on the rotating shaft II 3, and a hanging rope convex support 11 for hanging and connecting a contact network cable is arranged on the winding reel; the clamping mechanism is used for acting on the rotating shaft I2 and has two states of clamping and separating, when the clamping mechanism is in the clamping state, the rotating shaft I2 can only rotate in the forward direction, and when the clamping mechanism is in the separating state, the rotating shaft I2 can rotate in the forward direction and the reverse direction.
In an optional embodiment of the present invention, the bottom of the support 1 is provided with four support legs extending to the lower side of the rail clamping groove 16, wherein the support legs are equipped with two tie bolts 13, and when the rail clamping groove 16 is clamped on a rail, the whole support 1 can be reinforced on the rail by the tie bolts 13.
In the present embodiment, two tie bolts 13 are arranged in parallel, one tie bolt 13 being detachable to connect two of the support legs in tension, and the other tie bolt 13 being detachable to connect the other two support legs in tension.
When railway contact net broken string was salvageed, at first according to contact net line length and broken string position, selected suitable mounted position to railway ballast clears up between two sleepers of this mounted position's rail, will again railway contact net broken string quick stringing undulation device's rail draw-in groove 16 cards are on the rail top surface, and the rail bottom surface is passed with two tie bolt 13 to the bottom, fixes railway contact net broken string quick stringing undulation device between two sleepers of rail, then hangs contact net steel wire sleeve one end in the both sides of broken string, and another hangs on the string rope salient branch 11 of bobbin 4. The torque input end of one side of having set up pinion I8 to pivot I2 inputs the torque, through the meshing transmission between gear wheel and the pinion, twine contact net wire rope on bobbin 4 gradually for the contact net wire tightens up fast, with contact net wire broken string fault handling back, make chucking mechanism be in the detached state, then make wire rope loosen, loosen the wire clamp on the contact net wire again, demolish tie bolt 13 at last, then pull down whole quick tight line undulation device of railway contact net broken string from the rail.
In an optional embodiment of the present invention, both ends of the bobbin 4 are provided with wire blocking discs 5.
In an optional embodiment of the present invention, the clamping mechanism is a ratchet mechanism, which comprises a ratchet 17, a ratchet claw 15, a spring 14 and a shift lever 10; the ratchet wheel 17 is sleeved on the rotating shaft I2 and is fixedly connected with the large gear I6; the tail of the ratchet wheel claw 15 is fixedly connected with the driving lever 10 through a connecting rod, the connecting rod is rotatably connected to the support 1, one end of the spring 14 is connected with the ratchet wheel claw 15, the other end of the spring is connected with the support 1, when the driving lever 10 is not driven, the ratchet wheel mechanism is in a clamping state, the claw tip part of the ratchet wheel claw 15 is clamped in the tooth groove of the ratchet wheel 17 under the action of the tension of the spring 14, the ratchet wheel mechanism can be adjusted to be in a separated state by driving the driving lever 10, and at the moment, the claw tip of the ratchet wheel claw 15 overcomes the tension of the spring 14 and completely breaks.
In this embodiment, the ratchet wheel is fixedly connected with the bull gear I6 by three rivets 18.
In this embodiment, the ratchet claw 15 is provided with a hanging ring, one end of the spring 14 is fixed on the bracket 1, and the other end is hung on the hanging ring of the ratchet claw 15.
Due to the anti-reversion effect of the ratchet wheel, when the rotating shaft I2 is rotated, the steel wire rope is gradually wound on the winding reel 4 through the meshing transmission of the large gear and the small gear, so that the contact net wire is quickly tightened; after the disconnection fault of the contact network wire is processed, the deflector rod 10 is firstly pulled, the pawl position of the ratchet wheel clamping block is manually loosened, the steel wire rope is loosened, and then the wire clamp on the contact network wire is loosened.
In an alternative embodiment of the invention, the device is equipped with a crank 12 for providing torque to the torque input, the crank 12 being provided with a prismatic sleeve for mating socket with the torque input.
Wherein, the crank 12 has small volume, is convenient to carry and is convenient to operate.
In an alternative embodiment of the present invention, the device is equipped with a solar motor 19 for providing torque to the torque input, the motor is connected to the torque input of a reducer 21, and the torque output of the reducer 21 is a prismatic sleeve structure for matching the torque input of the device.
In the present embodiment, both the solar motor 19 and the decelerator 21 are fixed to the flatbed 22, and the solar panel 20 of the solar motor 19 is obliquely mounted on the flatbed 22.
The solar motor 19, along with other structures connected thereto, may be transported to the target site by the flat cart 22 and connected to the torque input of the device to provide torque.
During the 7 months from 2019 to 2020, the invention simulates the disconnection accident of the contact network for rush repair for many times, and in the state that the contact line and the catenary are disconnected simultaneously, the chain tightener is used for tightening the disconnection, and under the condition that the line with one span length falls to the ground, the general tightening time needs 7 to 10 minutes, and the railway contact network disconnection quick tightening fluctuation device can tighten the disconnection to a required position only in 2 to 3 minutes, if the disconnection range is larger, the related span is more, the disconnection tension is larger, the resistance is very large when overhead workers tighten the line, the tightening time can also be longer, the tightening time needs longer time, the accident handling work can be influenced even, and the train operation time is delayed, and after the device is used, the advantage of short rush repair time is more prominent.
Meanwhile, the wire tightening work is also carried out from high altitude to the ground, the work terrain is smooth, the environment is wide, the action part of the operator is limited, the risk of high altitude work is avoided, the number of the operators is reduced, the workload of the operator is reduced, and the requirement of emergency repair work is met.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A quick wire-tightening fluctuation device for a broken wire of a railway contact network is characterized by comprising a bracket, wherein the bracket is provided with a wire-tightening mechanism and a rail clamping groove positioned below the wire-tightening mechanism;
the wire tensioning mechanism comprises a clamping mechanism, a winding drum, a rotating shaft I and a rotating shaft II which are rotatably connected to the bracket through bearings;
the rotating shaft I and the rotating shaft II are parallel to the same horizontal plane, and both ends of the rotating shaft I and the rotating shaft II penetrate out of the bracket and are processed into prism structures to be used as torque input ends;
the non-prismatic parts at the two ends of the rotating shaft I are respectively in key connection with a gearwheel I and a pinion I, the non-prismatic parts at the two ends of the rotating shaft II are respectively in key connection with a gearwheel II and a pinion II, the gearwheel I is meshed with the pinion II, and the pinion I is meshed with the gearwheel II;
the winding drum is fixedly sleeved on the rotating shaft II, and a hanging rope convex support for hanging and contacting a network cable is arranged on the winding drum;
the clamping mechanism is used for acting on the rotating shaft I and has two states of clamping and separating, when the clamping mechanism is in the clamping state, the rotating shaft I can only rotate in the forward direction, and when the clamping mechanism is in the separating state, the rotating shaft I can rotate in the forward direction and the reverse direction.
2. The railway contact net broken line rapid tensioning undulation device as claimed in claim 1, wherein the bottom of the support is provided with four support legs extending to the lower side of the rail clamping groove, wherein the support legs are provided with two tension bolts, and when the rail clamping groove is clamped on a rail, the whole support can be reinforced on the rail through the tension bolts.
3. The railway contact line broken quick wire tightening and rolling device as claimed in claim 2, wherein the two tie bolts are arranged in parallel, one tie bolt is detachable to connect two of the support legs in a tightening manner, and the other tie bolt is detachable to connect the other two support legs in a tightening manner.
4. The railway contact line broken quick wire tightening fluctuation device as claimed in claim 1, wherein both ends of the bobbin are provided with wire blocking discs.
5. The railway contact net broken line rapid wire tightening fluctuation device as claimed in claim 1, wherein the chucking mechanism is a ratchet mechanism, which comprises a ratchet wheel, a ratchet wheel claw, a spring and a deflector rod; the ratchet wheel is sleeved on the rotating shaft I and is fixedly connected with the large gear I; the tail of the ratchet wheel clamping jaw is fixedly connected with the driving lever through a connecting rod, the connecting rod is rotatably connected with the support, one end of the spring is connected with the ratchet wheel clamping jaw, the other end of the spring is connected with the support, when the driving lever is not stirred, the ratchet wheel mechanism is in a clamping state, the claw tip part of the ratchet wheel clamping jaw is clamped in the tooth socket of the ratchet wheel under the action of the tensile force of the spring, the ratchet wheel mechanism can be adjusted to be in a separated state through stirring the driving lever, and at the moment, the claw tip of the ratchet wheel clamping jaw overcomes the tensile force of the spring and completely breaks away from the tooth socket of the ratchet wheel.
6. The railway contact net broken line rapid wire tightening undulation device as claimed in claim 5, wherein the ratchet wheel is fixedly connected with the large gear I through three rivets.
7. The railway contact line broken rapid wire tightening fluctuation device as claimed in claim 6, wherein the ratchet wheel claw is provided with a hanging ring, one end of the spring is fixed on the support, and the other end of the spring is hung on the hanging ring of the ratchet wheel claw.
8. The quick line tightening and rolling device for the broken line of the railway contact net according to claim 1, characterized in that the device is provided with a crank for providing torque to the torque input end, and the crank is provided with a prism sleeve for matching and sleeving with the torque input end.
9. The railway contact line disconnection quick wire tightening and rolling device as claimed in claim 1, wherein the device is equipped with a solar motor for providing torque to the torque input end, the motor is connected with the torque input end of a speed reducer, and the torque output end of the speed reducer is in a prism sleeve structure which is matched and sleeved with the torque input end of the device.
10. The railway contact line disconnection quick wire tightening and rolling device as claimed in claim 9, wherein the solar motor and the speed reducer are both fixed on a flat car, and a solar panel of the solar motor is obliquely installed on the flat car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021957413.6U CN212462606U (en) | 2020-09-09 | 2020-09-09 | Quick tight line of railway contact net broken string undulates device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021957413.6U CN212462606U (en) | 2020-09-09 | 2020-09-09 | Quick tight line of railway contact net broken string undulates device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212462606U true CN212462606U (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021957413.6U Active CN212462606U (en) | 2020-09-09 | 2020-09-09 | Quick tight line of railway contact net broken string undulates device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212462606U (en) |
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2020
- 2020-09-09 CN CN202021957413.6U patent/CN212462606U/en active Active
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