CN203128958U - Turnout line shape of joint flexible turnout bending device - Google Patents
Turnout line shape of joint flexible turnout bending device Download PDFInfo
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- CN203128958U CN203128958U CN 201320071359 CN201320071359U CN203128958U CN 203128958 U CN203128958 U CN 203128958U CN 201320071359 CN201320071359 CN 201320071359 CN 201320071359 U CN201320071359 U CN 201320071359U CN 203128958 U CN203128958 U CN 203128958U
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- turnout
- bending device
- track switch
- line shape
- joint flexible
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Abstract
The utility model relates to a turnout line shape of a joint flexible turnout bending device. The turnout line shape of the joint flexible turnout bending device is used for switching special rails in straddle-type monorail traffic lines. The turnout line shape of the joint flexible turnout bending device comprises a turnout fixing end, a movable end side line position and a movable end straight line position, wherein an easement curve is arranged between the turnout fixing end and a circular curve, and an easement curve is arranged between the circular curve and the movable end side line position. The turnout line shape of the joint flexible turnout bending device has the advantages that the combination of a convoluting line, the circular curve and a convoluting line is adopted as the turnout bending line shape, so that impact easing changes when vehicles enter or leave lines of the section are guaranteed, hard impact of exiting products can not happen, comfortableness of passengers is beneficial to being improved, and the service life of a vehicle steering frame and a turnout is prolonged.
Description
Technical field
The track switch of joint flexible type track switch bending device that the utility model relates to a kind of a kind of special track conversion of using for the cross-saddle single-track traffic circuit is linear, belongs to the light rail corollary equipment and makes the field.
Background technology
Joint flexible type track switch is a kind of special track conversion equipment that uses in the cross-saddle single-track traffic circuit.There are the Hitachi, Ltd of Japan, domestic Chuan Dong dockyard in the joint present manufactured goods unit of flexible type track switch, and its product all uses on the Chongqing Light Railway line.The turnout work principle is: joint turnout is made up of more piece beam body, the track switch beam vertically is polyline shaped behind the joint turnout turn-out track, spigot surface and the stabilising surface of joint turnout are the plane, when track switch is in the broken line state, bigger impact can take place during to track switch beam joint rotation angle place in train operation, therefore vehicle operating can only be used in boost line, the vehicle base and the slow-moving vehicle motion occasion that has just set off by the maximum 15Km/h that allows of speed, has limited running velocity; And flexible type track switch is by number joint steel rail beams hinged composition, supported by chassis, adopt power drives such as electric power, track switch beam one end is fixed, and track switch is whole mobile and make the movable end of track switch beam be connected the formation turnout with another line track beam during turn-out track, and while spigot surface and stabilising surface form level and smooth curve under the effect of bending device, guarantee train passage, have linear smooth-goingly compared to the joint turnout flexible switch, little to the impact of vehicle, vehicle operating can improve about 1 times characteristics by speed.Present existing bending device has following characteristics: the one, and the form of the linear employing circular curve of track switch deflection, but the impact the during circuit of vehicle turnover this part is big; The 2nd, cam bawl inside is faced the formula contact directly, because the error of manufacture process has reduced contact line length, is easy to occur early stage wearing and tearing; The 3rd, the bearing domestic demand lubricant method of spigot surface and stabilising surface, unfavorable maintaining; The 4th, cam is whole to be made, and manufacture difficulty is big, and precision is difficult for guaranteeing; Welded construction has been adopted at the swing arm position, and on-the-spot installation, to adjust difficulty big.
The utility model content
Purpose of design: avoid the weak point in the background technology, designing a kind of one is the linear combination of having adopted clothoid, circular curve, clothoid of track switch deflection, guaranteed gentle variation of impact when vehicle passes in and out this part circuit, the hard impact of existing product can not appear, be conducive to improve passenger's comfortableness, improve the life-span of the bogie of car and track switch; The 2nd, the sphere oscillating bearing has been installed in cam bawl inside, has eliminated the error of manufacture process, has improved contact line length, and then has reduced contact stress, has improved the application life of roller and cam; The 3rd, the arthrodia that adopts high-tensile strength brass and graphite to form in the bearing of spigot surface and stabilising surface has been realized the non-maintaining of this position; The 4th, cam pack has adopted the method for split blade type stack, has reduced manufacture difficulty, is conducive to improve precision; The 5th, the pressure swelling device has been adopted at the swing arm position, is easy to on-the-spot installation, adjustment.
Design scheme: in order to realize above-mentioned purpose of design.The track switch of the joint flexible type track switch bending device that this is designed is linear to be on the basis of track switch beam realization turn-out track formation broken line spigot surface, stabilising surface to be driven deflection again for the linear a kind of special device of design, also is the most key ingredient of straddle type joint flexible type track switch complete machine.Its bending device mainly by guide panel, stablize panel, erection support, cam back shaft, axial cam, double plug connecting rod, roller assembling, connecting rod pair, electric pushrod etc. and form.The concrete structure design as shown in Figure 2.After track switch was received switch signal, electric pushrod drove the pushing tow bending mechanism, and spigot surface, stabilising surface can be finished the flexible deformation automatically under impetus.Thereby the slyness that realizes flexible type track switch is even suitable.After receiving back straight signal, electric pushrod pulling bending mechanism makes spigot surface, stabilising surface get back to linear state.Bending device adopts the drive form of cam linkages series connection to realize the synchronous bending of spigot surface and stabilising surface.Guide panel and stable panel are connected in double jaw pull bar two ends by articulation hole, two fork head pull bars are connected with driven subassembly, driven subassembly contacts with cylindrical cam mechanism and links to each other, link to each other by connecting rod between corresponding two cylindrical cam mechanisms between the two adjacent cylindrical cam mechanisms of top and up and down, the concrete size of cylindrical cam is according to every some pushing tow stroke design that drives design, when electric pushrod starts push-and-pull; Pull bar drives guide strip and realizes horizontal same moved further, thereby finishes the horizontal transverse bending of guide strip.
Technical scheme: the track switch that the track switch of a kind of joint flexible type track switch bending device is linear is linear, comprise track switch fixed end, movable end side line position and movable end linear position, being easement curve between described trouble fixed end and the circular curve, is easement curve between circular curve and the movable end side line position.
The utility model is compared with background technology, the one, the track switch deflection is linear has adopted the combination of clothoid, circular curve, clothoid, guaranteed gentle variation of impact when vehicle passes in and out this part circuit, the hard impact of existing product can not appear, be conducive to improve passenger's comfortableness, improve the life-span of the bogie of car and track switch; The 2nd, the sphere oscillating bearing has been installed in cam bawl inside, has eliminated the error of manufacture process, has improved contact line length, and then has reduced contact stress, has improved the application life of roller and cam; The 3rd, the arthrodia that adopts high-tensile strength brass and graphite to form in the bearing of spigot surface and stabilising surface has been realized the non-maintaining of this position; The 4th, cam pack has adopted the method for split blade type stack, has reduced manufacture difficulty, is conducive to improve precision; The 5th, the pressure swelling device has been adopted at the swing arm position, is easy to on-the-spot installation, adjustment.
Description of drawings
Fig. 1 is the linear schematic diagram of track switch.
Fig. 2 is the linear main TV structure schematic diagram of the track switch of joint flexible type track switch bending device.
Fig. 2-the 1st, the partial side TV structure schematic diagram of Fig. 2.
Fig. 3 is roller assembled construction schematic diagram.
Fig. 4 is cam assembled construction schematic diagram.
Fig. 4-the 1st, the decomposition texture schematic diagram of Fig. 4.
Fig. 5 is the structural representation of holder assembly.
Fig. 5-the 1st, the decomposition texture schematic diagram of Fig. 5.
Fig. 6 is the structural representation of sliding seat assembly.
Fig. 6-the 1st, the decomposition texture schematic diagram of Fig. 6.
Fig. 7 is the structural representation of connecting rod assembling.
Fig. 7-the 1st, the decomposition texture schematic diagram of Fig. 7.
The specific embodiment
Embodiment 1: with reference to accompanying drawing 1.The track switch that the track switch of a kind of joint flexible type track switch bending device is linear is linear, comprise track switch fixed end, movable end side line position and movable end linear position, being easement curve between described trouble fixed end 501 and the circular curve, is easement curve between circular curve and the movable end side line position 502.Label 503 is the movable end linear position.That is: Japanese side and Chuan Dong dockyard track switch have been adopted the linear design of single circular curve.In the use, junction hard spot transition situation can appear in the line; Because of the influence of deck-siding, at openend spigot surface, stabilising surface grinding one's teeth of about 3mm can appear simultaneously.The linear two ends concrete beam of having considered of the track switch of the application's design influences, the linear compound mode that adopts easement curve+circular curve+easement curve of deflection, guaranteed that vehicle impacts gentle the variation at side line turnover track switch, the severe impact that existing product can not occur, reduced the interaction between circuit and vehicle, be conducive to improve passenger's comfortableness, shown in Figure 1.
With reference to accompanying drawing 2 to 6-1.The track switch of joint flexible type track switch bending device is linear, comprise guide panel, stablize panel, erection support, the cam back shaft, axial cam, the double plug connecting rod, the roller assembling, the connecting rod pair, electric pushrod, bending device adopts the drive form of cam linkages series connection to realize the synchronous bending of spigot surface and stabilising surface, guide panel 1 and stable panel 5 are connected in double jaw pull bar 4 two ends by articulation hole, two fork head pull bars 4 are connected with driven subassembly, driven subassembly contacts with cylindrical cam mechanism and links to each other, link to each other by connecting rod between corresponding two cylindrical cam mechanisms 3 between the two adjacent cylindrical cam mechanisms of top and up and down, when electric pushrod 8 starts push-and-pulls; Pull bar drives guide strip 1 and realizes horizontal same moved further, thereby finishes the horizontal transverse bending of guide strip 1.
With reference to accompanying drawing 4 and 4-1.3 of two cylindrical cam mechanisms pass through cam back shaft 2 and connect.The cam pack (cam mechanism) of Japanese side and the design of Chuan Dong dockyard adopts Type of Welding, and elder generation's machining cam body is welded to connecting rod subsequently and forms assembly on the cam body during manufacturing.Such method for machining and assembling, the factor of man's activity is many during general assembly, the weld seam power transmission, cause precision low, use reliable not to the utmost; Newly-designed cam pack has adopted the split blade type overlaying structure, and by the machine of single-piece, high accurate hole, key connect between part, have reduced overall manufacture difficulty.
Electric pushrod 8 is connected by secondary 7 one ends of the spacing connector of V font and connecting rod, in connecting rod pair 7 other ends and the cylindrical cam mechanism 3 in the axial cam connecting rod be connected.
With reference to accompanying drawing 3.Roller assembling 6 is made of Roller Shaft 601, roller 602, oscillating bearing 603 and back-up ring 604, and Roller Shaft 601 is by oscillating bearing 603 and back-up ring 604 and roller 601 assembling moulding.That is: roller assembles the 6(roller assembly) compared to the roller assembly of Japanese side and the design of Chuan Dong dockyard, the application's roller assembly has been installed the sphere oscillating bearing in roller inside.The influence of position deviation when such measure can have been eliminated manufacturing, installation, the design's roller is by the rotation among a small circle of its inner spherical pair, to put contact and change into the line contact, improved the contact line length of roller and chute face, and then reduced contact stress, improved the application life of roller and cam.
With reference to accompanying drawing 5 to Fig. 6-1.Bearing pin 105 is positioned at fixed bearing 103 axis holes by axle sleeve 102 in the holder assembly in the erection support, and two cover plates 104 passes that bearing pin 105 is connected with fixed bearing 103 and bearing pin 105 two ends lay respectively on the support ear of fixed supporting seat 106.Bearing pin 205 in the sliding seat assembly in the erection support is positioned at the rectangle axis hole of freely movable bearing 203 by the axis hole in the slide block 204 and slide block 204, two cover plates 204 passes that bearing pin 201 is fixedlyed connected with freely movable bearing 203 and bearing pin 201 two ends lay respectively on the support ear of movable supporting seat 206, and it is interior and be fixed on the support ear that axle inserts bearing pins 201 end grooves with baffle plate 205.Be erection support: spigot surface, stablize panel and be connected to one by bearing and beam, the design of bearing is divided into activity, fixes two types.The sliding seat assembly provides around the rotation of axle and axial support; The sliding seat assembly provides the slippage ability along the beam length direction except providing around the rotation of axle and the axial support time.The flexed plate bearing of Japanese side and the design of Chuan Dong dockyard is very simple and easy, and bearing does not have sliding sleeve, parts such as cover plate, and the bearing body bottom surface does not have shearing resistance convex cylindrical body simultaneously; The bearing of the application's design has increased above-mentioned link (arthrodia, shearing resistance dome cylinder, the cover plate that adopt high-tensile strength brass and graphite to form in the bearing), cooperates relevant Technology for Heating Processing simultaneously, has realized the reliable use at this position, and is non-maintaining, anti-corrosion function.
With reference to accompanying drawing 7 and Fig. 7-1.Annular boss tensioner cover 407 is enclosed within axle 405 middle parts, two connecting rods 406 are enclosed within the annular boss tensioner respectively and overlap putting of 407 boss both sides, elasticity platen 408 is enclosed within on the axle 405 and elasticity platen 408 taperings are inserted in the annular boss tensioner mantle cavity elasticity platen 408 is fixing, two bearing supports 402 respectively the saturating lid 404 by separately, be installed in axle 405 two ends about bearing 403, two stifles 401 are separately fixed on separately the bearing support 402.That is: swing arm assembly (connecting rod assembling) bottom bracket axle of Japanese side and Chuan Dong dockyard design and connecting rod adopt Type of Welding, process axle sleeve during manufacturing earlier, connecting rod is welded to forms assembly on the axle sleeve subsequently.Such method for machining and assembling, the factor of man's activity is many during general assembly, and the weld seam power transmission causes precision low, is difficult for adjusting; The swing arm assembly of the application's design has adopted the split blade type overlaying structure, and by the machine of single-piece, high accurate hole, elastic compression dish connect between part, have reduced overall manufacture difficulty.
What need understand is: though above-described embodiment is to the mentality of designing of the present utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; rather than to the restriction of the utility model mentality of designing; any combination, increase or modification that does not exceed the utility model mentality of designing all falls in the protection domain of the present utility model.
Claims (1)
1. the track switch that the track switch of a joint flexible type track switch bending device is linear is linear, comprise track switch fixed end, movable end side line position and movable end linear position, it is characterized in that: being easement curve between described trouble fixed end (501) and the circular curve, is easement curve between circular curve and the movable end side line position (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320071359 CN203128958U (en) | 2013-02-07 | 2013-02-07 | Turnout line shape of joint flexible turnout bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320071359 CN203128958U (en) | 2013-02-07 | 2013-02-07 | Turnout line shape of joint flexible turnout bending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203128958U true CN203128958U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320071359 Expired - Lifetime CN203128958U (en) | 2013-02-07 | 2013-02-07 | Turnout line shape of joint flexible turnout bending device |
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| CN (1) | CN203128958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132404A (en) * | 2013-02-07 | 2013-06-05 | 中铁宝桥集团有限公司 | Turnout line shape of joint flexible type turnout bending device |
| WO2019001049A1 (en) * | 2017-06-30 | 2019-01-03 | 比亚迪股份有限公司 | Flexible device for jointed flexible single turnout, and jointed flexible single turnout |
-
2013
- 2013-02-07 CN CN 201320071359 patent/CN203128958U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132404A (en) * | 2013-02-07 | 2013-06-05 | 中铁宝桥集团有限公司 | Turnout line shape of joint flexible type turnout bending device |
| WO2019001049A1 (en) * | 2017-06-30 | 2019-01-03 | 比亚迪股份有限公司 | Flexible device for jointed flexible single turnout, and jointed flexible single turnout |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |
|
| CX01 | Expiry of patent term |