CN209602878U - Simple turnout suitable for tramcar and railcar tune-up shop - Google Patents
Simple turnout suitable for tramcar and railcar tune-up shop Download PDFInfo
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- CN209602878U CN209602878U CN201821838056.4U CN201821838056U CN209602878U CN 209602878 U CN209602878 U CN 209602878U CN 201821838056 U CN201821838056 U CN 201821838056U CN 209602878 U CN209602878 U CN 209602878U
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- rail
- tongue
- tramcar
- railcar
- tune
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Abstract
The utility model discloses a kind of simple turnout suitable for tramcar and railcar tune-up shop, including railway switch, guard rail, backbone and switch track, switch track intersects with backbone constitutes frog angle a；The head and the tail of switch track are the guided bend rail being arc-shaped, and centre is straight rail, and one end of guided bend rail connects straight rail, and the other end connects backbone；Railway switch includes straight stock rail, bent stock rail, the first tongue and the second tongue, and the first tongue and the second tongue are started from tip, and at tip, section part, 5mm section part, 20mm section part, 40mm section part and the more straight stock rail of 50mm section part and bent stock rail height distinguish low 23mm, 14mm, 3mm, 1mm and 0mm；A=22 ° 19 ' 16 of frog angle "；Guard rail includes the first guard rail and the second guard rail.The simple turnout suitable for tramcar and railcar tune-up shop of the utility model, has the advantages that occupied area is small.
Description
Technical field
The utility model relates to a kind of simple turnouts, more particularly to one kind to be suitable for tramcar and railcar debugging car
Between simple turnout.
Background technique
Urban track traffic is the transport development field that China gives priority to, and urban tram has reliable for operation, easypro
The features such as suitable, energy conservation saves land, is environmentally friendly.For the feature that the topography and geomorphology and building in adaptation city are intensive, it is desirable that tramcar tool
There is a flexible operation, the special designings such as turning radius is small require steady, safe and reliable feature to track structure.Track switch number
Code (N) represents the key dimension of track switch various pieces, is usually indicated with the cotangent value of frog angle (α), frog angle α is smaller, N
Value is bigger, and radius of lead curve is also bigger, and turnout number is bigger, and track switch is longer, and cost is naturally just high, and takes up a large area；When
Preceding general rail traffic track switch number No. 9 is differed from No. 3 to, applies in general to the running train of high speed, but city rail is handed over
Logical speed is smaller, 10 kilometers of speed per hour usually less than lateral, and even the smallest No. 3 track switches still have occupied area is excessive to lack
Point is a kind of huge waste for urban size.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of occupied area it is small be suitable for tramcar and ground
The simple turnout of iron car tune-up shop.
The utility model is realized through the following technical scheme:
A kind of simple turnout suitable for tramcar and railcar tune-up shop, including railway switch, guard rail, backbone with
And switch track, switch track intersects with backbone constitutes frog angle a；The head and the tail of switch track are the guided bend rail being arc-shaped, and the centre of switch track is
Straight rail, one end of guided bend rail connect straight rail, and the other end of guided bend rail connects backbone, the radius R=25000mm of guided bend rail；Turn-out track
Device includes straight stock rail, bent stock rail, the second tongue with the first tongue of straight stock rail cooperation and with the cooperation of bent stock rail,
The length of first tongue and the second tongue is 3263mm, and the first tongue and the second tongue are started from tip, in tip section
Place, 5mm section part, 20mm section part, 40mm section part and the more straight stock rail of 50mm section part and bent stock rail height point
Not low 23mm, 14mm, 3mm, 1mm and 0mm；A=22 ° 19 ' 16 of frog angle "；Guard rail includes the first guard rail and the second guard rail,
The flangeway width Ld=39mm of first guard rail and straight stock rail, the flangeway width Lm=of the second guard rail and bent stock rail
44mm。
Preferably, the gauge La=1435mm of backbone, the gauge Lb=1450mm of guided bend rail, the gauge Lc=of straight rail
1440mm。
Preferably, backbone and switch track are erected on solid concrete roabed by the first elastic insert；Backbone and switch track it is every
The second elastic insert is provided under one section rail.
Preferably, the first elastic insert is 10mm rubber pad, and the second elastic insert is 5mm rubber pad.
Preferably, the first tongue and the second tongue are the linear 60AT rail of hemisection, and the first tongue is cut with the second tongue
Point is set to the 40mm section part from tip.
Preferably, the first tongue is connect with the second tongue by connecting rod.
Preferably, the first tongue connects backbone by the first connector living；Second tongue passes through the second connector connection living
Switch track.
Preferably, the first guard rail and the second guard rail are 50kg/m rail, the first guard rail and the second guard rail both ends it is thin in
Between it is thick.
Beneficial effect is: compared with prior art, one kind of the utility model is suitable for tramcar and railcar tune
The simple turnout of test cell is crossed by setting backbone and the first turnout, and frog angle a is set as 22 ° 19 ' 16 " so that number small
In No. 3, and adjust accordingly the first tongue, the length of the second tongue and profile height make matched bent stock rail and
Straight stock rail meets dynamics calculation, and then turning condition when meeting below speed per hour 10km/h, reduces sweep, makes
It is small to obtain simple turnout occupied area.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing, in which:
Fig. 1 is that a kind of simple turnout structure suitable for tramcar and railcar tune-up shop of the utility model is shown
It is intended to；
Fig. 2 is singly to open turnout structural schematic diagram；
Fig. 3 is the sectional view along A-A of Fig. 2；
Fig. 4 is the B-B direction cross-sectional view of Fig. 2.
Specific embodiment
As depicted in figs. 1 and 2, a kind of simple turnout suitable for tramcar and railcar tune-up shop, including turn
Rut device, guard rail, backbone 1a, switch track 2a, switch track 2a intersects with backbone 1a constitutes frog angle a, a=22 ° of the frog angle of simple turnout 3
19′16″；The head and the tail of switch track 2a are the guided bend rail 21 being arc-shaped, and the centre of switch track 2a is straight rail 22, and the one of guided bend rail 21
End connection straight rail 22, the other end of guided bend rail 21 connect backbone 1a, the radius R=25000mm of guided bend rail 21；Railway switch includes straight
Stock rail 31, bent stock rail 32, the first tongue 33 cooperated with straight stock rail 31 and the second point with the cooperation of bent stock rail 32
The length of rail 34, the first tongue 33 and the second tongue 34 be 3263mm, and the first tongue 33 with the second tongue 34 from tip
Calculate tip section part, 5mm section part, 20mm section part, 40mm section part and the more straight stock rail 31 of 50mm section part and song
Stock rail 32 highly distinguishes low 23mm, 14mm, 3mm, 1mm and 0mm；So that the first tongue 33 and the second tongue 34 are in 20mm
Section part gradually starts to bear wheel load, and completes wheel load conversion in 50mm section part, to steadily join.It is set by fixed curve type
Meter guided bend rail 21 is 25m circular arc, and guarantees service life using the design of rail combined type structure.
The gauge La=1435mm of backbone 1a, the gauge Lb=1450mm of guided bend rail 21, the gauge Lc=of straight rail 22
1440mm to adapt to two kinds of locomotives of common underground engines and low bottom plate tramcar, and accordingly adjusts guard rail edge groove width.
In view of designing speed per hour V=10km/h, progress Verification:
Kinetic energy rejection W: the line style tip strikes angle is 3 ° 11 ' 46 ", therefore kinetic energy rejection；
W=V2sin2β y=2 δ v2/ R=2 × 0.051 × (102)/25；
Wherein, δ is wheel between maximum value=51mm trip；
W=0.408km2/h2；National regulation allowable value is 0.65km2/h2, meet the requirements；
Unbalanced centrifugal acceleration:
α=V2/3.62R；
α=0.309m/s2；National regulation allowable value is 0.5~0.65m/s2, meet the requirements；
Unbalanced centrifugal acceleration increment:
ψ=V3/((3.63)RL)；
Wherein, L is wheelbase of car, according to actual needs design vehicle total wheel base L=8m, substitution R=25m, ψ=
0.107m/s3；
National regulation allowable value is 0.5m/s3, meet the requirements.
It being calculated by the above parameter, it can be seen that the line style can satisfy the locomotive Operational requirements of 10 kilometers of lateral speed per hour,
There are enough safe clearances simultaneously.
Preferable embodiment, as shown in Figures 2 and 3, guard rail include the first guard rail 35 and the second guard rail 36, due to
In view of speed is lower and takes into account two kinds of locomotives of common underground engines and low bottom plate tramcar, the first guard rail 35 and straight stock rail
31 flangeway width Ld=39mm, the flangeway width Lm=44mm of the second guard rail 36 and bent stock rail 32 (are routinely
42mm, 47mm) so that the design interval of corresponding railway frog part and guard rail face gage are respectively >=1394mm and≤1351mm, it is full
The needs smoothly passed enough.
Preferable embodiment, as shown in Figure 3 and Figure 4, backbone 1a and switch track 2a are set up by the first elastic insert 10
On solid concrete roabed (not indicated in figure)；The second elastic insert 11 is provided under each section rail of backbone 1a and switch track 2a.
First elastic insert 10 is 10mm rubber pad, and the second elastic insert 11 is 5mm rubber pad, and effect is damping to improve machine
The comfort of vehicle.
Preferable embodiment, the first tongue 33 and the second tongue 34 can be the linear 60AT rail of hemisection, the first tongue
33 and second tongue 34 point of contact initial position be from tip 40mm section part, guarantee service life.
Preferable embodiment, as shown in Fig. 2, the first tongue 33 is connect with the second tongue 34 by connecting rod 37, to mention
High transverse stiffness.
Preferable embodiment, as shown in Fig. 2, the first tongue 33 passes through the first connector 4a connection backbone 1a living；Second
Tongue 34 guarantees the normal turn-out track of railway switch by the second connector 4b connection switch track 2a living.
Preferable embodiment, the first guard rail 35 and the second guard rail 36 can be 50kg/m rail to guarantee durability, the
The thin thick middle of one guard rail 35 and 36 both ends of the second guard rail, facilitates the fashionable guiding of cartwheel roll.
Above embodiments are only to illustrate the technical solution of the utility model and are not intended to limit it, all without departing from this
Any modification of utility model spirit and scope or equivalent replacement should all cover the range in technical solutions of the utility model
It is interior.
Claims (8)
1. a kind of simple turnout suitable for tramcar and railcar tune-up shop, including railway switch, guard rail, backbone (1a)
And switch track (2a), the switch track (2a) is intersected with the backbone (1a) constitutes frog angle a；It is characterized by: the switch track
The head and the tail of (2a) are the guided bend rail (21) being arc-shaped, and the centre of the switch track (2a) is straight rail (22), the guided bend rail
(21) one end connects the straight rail (22), and the other end of the guided bend rail (21) connects the backbone (1a), the guided bend rail
(21) radius R=25000mm；
The railway switch includes straight stock rail (31), bent stock rail (32), the first tongue with straight stock rail (31) cooperation
(33) and with the bent stock rail (32) the second tongue (34) cooperated, first tongue (33) and second tongue
(34) length is 3263mm, and first tongue (33) and second tongue (34) are started from tip, disconnected at tip
At face, 5mm section part, 20mm section part, 40mm section part and the 50mm section part straight stock rail (31) and described
Bent stock rail (32) highly difference low 23mm, 14mm, 3mm, 1mm and 0mm；
A=22 ° 19 ' 16 of the frog angle "；
The guard rail includes the first guard rail (35) and the second guard rail (36), first guard rail (35) and the straight stock rail
(31) flangeway width Ld=39mm, the flangeway width Lm=of second guard rail (36) and the bent stock rail (32)
44mm。
2. the simple turnout according to claim 1 suitable for tramcar and railcar tune-up shop, feature exist
In: the gauge La=1435mm of the backbone (1a), the gauge Lb=1450mm of the guided bend rail (21), the straight rail (22)
Gauge Lc=1440mm.
3. the simple turnout according to claim 1 or 2 suitable for tramcar and railcar tune-up shop, feature
Be: the backbone (1a) and the switch track (2a) are erected on solid concrete roabed by the first elastic insert (10)；The master
The second elastic insert (11) are provided under each section rail of rail (1a) and the switch track (2a).
4. the simple turnout according to claim 3 suitable for tramcar and railcar tune-up shop, feature exist
In: first elastic insert (10) is 10mm rubber pad, and second elastic insert (11) is 5mm rubber pad.
5. the simple turnout according to claim 1 or 2 suitable for tramcar and railcar tune-up shop, feature
Be: first tongue (33) is the linear 60AT rail of hemisection, first tongue (33) with second tongue (34)
Cusp position with second tongue (34) is the 40mm section part from tip.
6. the simple turnout according to claim 1 or 2 suitable for tramcar and railcar tune-up shop, feature
Be: first tongue (33) is connect with second tongue (34) by connecting rod (37).
7. the simple turnout according to claim 1 or 2 suitable for tramcar and railcar tune-up shop, feature
Be: first tongue (33) connects the backbone (1a) by first connector (4a) living；Second tongue (34) is logical
It crosses second connector (4b) living and connects the switch track (2a).
8. the simple turnout according to claim 1 or 2 suitable for tramcar and railcar tune-up shop, feature
Be: first guard rail (35) and the second guard rail (36) are 50kg/m rail, first guard rail (35) and the second shield
The thin thick middle in rail (36) both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821838056.4U CN209602878U (en) | 2018-11-08 | 2018-11-08 | Simple turnout suitable for tramcar and railcar tune-up shop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821838056.4U CN209602878U (en) | 2018-11-08 | 2018-11-08 | Simple turnout suitable for tramcar and railcar tune-up shop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209602878U true CN209602878U (en) | 2019-11-08 |
Family
ID=68395443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821838056.4U Active CN209602878U (en) | 2018-11-08 | 2018-11-08 | Simple turnout suitable for tramcar and railcar tune-up shop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209602878U (en) |
-
2018
- 2018-11-08 CN CN201821838056.4U patent/CN209602878U/en active Active
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