CN209958160U - Rack rail structure of rack rail railway - Google Patents
Rack rail structure of rack rail railway Download PDFInfo
- Publication number
- CN209958160U CN209958160U CN201920418208.3U CN201920418208U CN209958160U CN 209958160 U CN209958160 U CN 209958160U CN 201920418208 U CN201920418208 U CN 201920418208U CN 209958160 U CN209958160 U CN 209958160U
- Authority
- CN
- China
- Prior art keywords
- rack
- gear
- railway
- tooth
- coefficient
- 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.)
- Active
Links
Images
Landscapes
- Gears, Cams (AREA)
- Transmission Devices (AREA)
Abstract
The utility model discloses a rack rail structure of a rack rail railway, which comprises a gear arranged on a train shaft and a rack fixed on a railway sleeper and meshed with the gear; the number of teeth of the gear is 19, the modulus is 40mm, the diameter of a reference circle is 760mm, and the thickness is 50 mm; the modulus of the rack is 40mm, the tooth width is 42.14mm, the tooth groove width is 36.97mm, and the thickness is 50 mm; the gear and the rack are in a positive deflection meshing structure, the deflection coefficient is 0.25, the distance from the center of the gear to the dividing line of the rack is 770mm, the tooth crest coefficient is 1, the tip clearance coefficient is 0.25, the root fillet coefficient is 0.33, and the contact ratio is 1.8801. The utility model provides a rack rail railway's that adhesive force is strong tooth rail structure provides the best geometric dimensions of rack rail structure, has solved the intensity problem and the fatigue life problem of gear-rack when the adhesive force is not enough, can be applicable to big sloping way district.
Description
Technical Field
The utility model relates to a rack rail railway technical field particularly, relates to a rack rail railway's rack structure.
Background
The rack-rail railway is a railway with strong climbing capability, a special rack rail is laid in the middle of a track, most of the rack rails are racks, and one or more gears are correspondingly arranged on a locomotive or a motor car bogie running on the rack-rail railway and meshed with the rack rail to run. When the rack rail vehicle climbs a slope, the problem of insufficient adhesive force between the steel wheel and the steel rail can be overcome through the meshing of the gear and the rack rail, and therefore the vehicle climbs a larger slope. When the adhesion suddenly drops to a small value in rainy and snowy weather, the whole locomotive operates to provide traction by almost the meshing of the gear rack, and the larger the gradient is, the higher the requirement on the gear rack is.
Therefore, the specific structural form of the gear rack rail suitable for the rack rail passenger railway and meeting the conditions of heavy gradient condition and serious insufficient adhesive force in rainy and snowy weather is designed to be applied to actual railway transportation and improve the safety of vehicle operation, and the problem of urgent need to be considered in the development of the existing rack rail railway is solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides rack rail railway's rack rail structure to the not strong problem of rack rail railway's rack rail structure adhesive force among the solution prior art.
The utility model discloses a rack rail structure of a rack rail railway, which comprises a gear arranged on a train shaft, a rack fixed on a railway sleeper and meshed with the gear, a fastener for connecting the rack and the sleeper and a rubber damping base plate; (ii) a
The number of teeth of the gear is 19, the modulus is 40mm, the diameter of a reference circle is 760mm, and the thickness is 50 mm;
the modulus of the rack is 40mm, the tooth width is 42.14mm, the tooth groove width is 36.97mm, and the thickness is 50 mm;
the gear and the rack are in a positive deflection meshing structure, the deflection coefficient is 0.25, the distance from the center of the gear to the dividing line of the rack is 770mm, the tooth crest coefficient is 1, the tip clearance coefficient is 0.25, the root fillet coefficient is 0.33, and the contact ratio is 1.8801.
The utility model provides a rack rail railway's that adhesive force is strong tooth rail structure provides the best geometric dimensions of rack rail structure, has solved the intensity problem and the fatigue life problem of gear-rack when the adhesive force is not enough, can be applicable to big sloping way district.
Furthermore, both side surfaces of the gear are circular grooves with the depth of 10 mm.
Further, the round groove adopts a 5mm round angle.
Furthermore, a circle of round holes are formed in the gear.
Furthermore, the round hole on the gear and the shaft hole for the train shaft to pass all adopt 10mm fillets.
Furthermore, two sides of the rack are connected with the sleeper through L-shaped angle steel and a bolt structure.
Furthermore, a rubber shock absorption base plate is arranged between the L-shaped angle steel and the sleeper.
It can be seen that the utility model provides a rack rail railway's that adhesive force is strong rack rail structure provides the best geometric dimensions of rack rail structure, has solved the intensity problem of gear-rack when the adhesive force is not enough, can be applicable to big sloping way district.
The present invention will be further described with reference to the accompanying drawings and the detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which form a part hereof, are included to provide an understanding of the present invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a rack structure schematic diagram of the rack railway of the present invention.
Fig. 2 is a schematic structural diagram of the application of the rack structure of the rack railway of the present invention.
The relevant references in the above figures are:
1: a gear;
11: a shaft hole;
12: a circular hole;
13: a circular groove;
2: a rack;
3: l-shaped angle steel;
4: a rubber shock absorption base plate;
5: railroad ties;
6: and (5) a bolt structure.
Detailed Description
The present invention will be described more fully with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Before the present invention is described with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.
Moreover, the embodiments of the invention described in the following description are generally only examples of a subset of the invention, and not all examples. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
With respect to the terms and units of the present invention. The terms "comprising," "having," and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions. The utility model discloses a rack structure of a rack railway, which comprises a gear 1 arranged on a train shaft and a rack 2 fixed on a railway sleeper 5 and meshed with the gear 1;
the number of teeth of the gear 1 is 19, the modulus is 40mm, the diameter of a reference circle is 760mm, and the thickness is 50 mm;
the modulus of the rack 2 is 40mm, the tooth width is 42.14mm, the tooth groove width is 36.97mm, and the thickness is 50 mm;
the gear 1 and the rack 2 are in a positive deflection meshing structure, the deflection coefficient is 0.25, the distance from the center of the gear 1 to the graduation line of the rack 2 is 770mm, the tooth crest coefficient is 1, the tip clearance coefficient is 0.25, the tooth root fillet coefficient is 0.33, and the contact ratio is 1.8801.
Two side surfaces of the gear 1 are both provided with circular grooves 13 which are cut to be 10mm deep.
The round groove 13 adopts a 5mm round angle.
A circle of round holes 12 are arranged on the gear 1.
Two sides of the rack 2 are connected with the sleeper through L-shaped angle steel 3 and a bolt structure 6.
And a rubber damping base plate 4 is arranged between the L-shaped angle steel 3 and the sleeper.
Referring to fig. 1 and 2, the rack structure of the rack-and-pinion railway of the present invention includes a gear 1 passing through a train shaft through a shaft hole 11 and mounted on the train shaft, and a rack 2 fixed on a railway sleeper 5 and engaged with the gear 1;
and both side surfaces of the gear 1 are cut circular grooves 13. A circle of round holes 12 are arranged on the gear 1. The number of the circular holes 12 is six, and the circular holes are arranged around the shaft hole 11 in a circle.
Two sides of the rack 2 are connected with the sleeper through L-shaped angle steel 3 and a bolt structure 6.
And a rubber damping base plate 4 is arranged between the L-shaped angle steel 3 and the sleeper.
The depth of the circular groove 13 is 10mm, and the circular groove 13 adopts a fillet of 5 mm. Round holes 12 on the gear 1 and shaft holes 11 for train shafts to pass through all adopt 10mm round corners. The number of teeth of the gear 1 is 19, the modulus is 40mm, the diameter of a reference circle is 760mm, and the thickness is 50 mm; the modulus of the rack 2 is 40mm, the tooth width is 42.14mm, the tooth groove width is 36.97mm, and the thickness is 50 mm; the gear 1 and the rack 2 are in a positive deflection meshing structure, the deflection coefficient is 0.25, the distance from the center of the gear 1 to the graduation line of the rack 2 is 770mm, the tooth crest coefficient is 1, the tip clearance coefficient is 0.25, the tooth root fillet coefficient is 0.33, and the contact ratio is 1.8801.
The L-shaped angle steel 3 is used as an important component of the mounting part of the rack structure, has better weldability, plastic deformation performance and certain mechanical strength, and plays a role in fixing and supporting the rack. The L-shaped angle steel 3 is connected with the rack and the concrete sleeper through bolts. According to a steel structure design manual [2], the L-shaped angle steel in the fastener is equal-angle steel 5 model [ GB/T706-. The angle steel length is set to 20mm with reference to the concrete tie length.
The utility model discloses compare and have following beneficial effect in prior art:
1. the utility model provides a rack rail structure and an optimal geometric dimension for increasing the adhesive force of a rack rail railway;
2. the strength problem of the gear-rack when the adhesive force is insufficient is solved;
3. the utility model discloses the fatigue life of gear-rack in the meshing is 100 ten thousand cycles among the rack structure, and maximum stress is 124.8Mpa, can satisfy the engineering and use.
4. Can be suitable for large slope sections.
The contents of the present invention have been explained above. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Based on the above-mentioned contents of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Claims (7)
1. The rack structure of the rack railway is characterized by comprising a gear (1) arranged on a train axle and a rack (2) which is fixed on a railway sleeper (5) and is meshed with the gear (1);
the number of teeth of the gear (1) is 19, the modulus is 40mm, the diameter of a reference circle is 760mm, and the thickness is 50 mm;
the modulus of the rack (2) is 40mm, the tooth width is 42.14mm, the tooth groove width is 36.97mm, and the thickness is 50 mm;
the gear (1) and the rack (2) are in a positive deflection meshing structure, the deflection coefficient is 0.25, the distance from the center of the gear (1) to the dividing line of the rack (2) is 770mm, the tooth crest height coefficient is 1, the tip clearance coefficient is 0.25, the tooth root fillet coefficient is 0.33, and the contact ratio is 1.8801.
2. A rack structure of a rack railway according to claim 1, wherein both sides of the gear (1) are circular grooves (13) cut to a depth of 10 mm.
3. A tooth rail structure of a tooth rail railway as claimed in claim 2, characterized in that the circular groove (13) adopts a 5mm round corner.
4. A rack structure of a rack railway according to claim 1, characterized in that the gear (1) is provided with a circular hole (12).
5. A rack structure of a rack railway according to claim 4, characterized in that the round hole (12) of the gear (1) and the shaft hole (11) for the train shaft to pass through are 10mm round.
6. The rack structure of a rack railway according to claim 1, wherein both sides of the rack (2) are connected to the sleeper regulation by means of L-shaped angle steel (3) and bolt structures (6).
7. A tooth rail structure of a tooth rail railway as claimed in claim 6, characterized in that a rubber shock absorption pad plate (4) is arranged between the L-shaped angle steel (3) and the sleeper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418208.3U CN209958160U (en) | 2019-03-29 | 2019-03-29 | Rack rail structure of rack rail railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418208.3U CN209958160U (en) | 2019-03-29 | 2019-03-29 | Rack rail structure of rack rail railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209958160U true CN209958160U (en) | 2020-01-17 |
Family
ID=69240497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920418208.3U Active CN209958160U (en) | 2019-03-29 | 2019-03-29 | Rack rail structure of rack rail railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209958160U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793596A (en) * | 2021-04-08 | 2021-05-14 | 西南交通大学 | Rack structure based on screw rack transmission |
| CN112962367A (en) * | 2021-02-24 | 2021-06-15 | 中铁二院工程集团有限责任公司 | Construction method of tooth-track railway ballast track system |
| CN113215872A (en) * | 2021-04-12 | 2021-08-06 | 中铁二院工程集团有限责任公司 | Rack structure for toothed rail railway and fastener system thereof |
| CN113215871A (en) * | 2021-04-12 | 2021-08-06 | 中铁二院工程集团有限责任公司 | Toothed rail fastener system for concrete sleeper |
| CN114059399A (en) * | 2021-12-22 | 2022-02-18 | 中铁二院工程集团有限责任公司 | Seamless rack track structure |
| CN114318967A (en) * | 2022-01-05 | 2022-04-12 | 中铁二院工程集团有限责任公司 | Ballastless track tooth track connecting system for large-gradient simply-supported bridge |
| CN114312900A (en) * | 2022-01-28 | 2022-04-12 | 中车长春轨道客车股份有限公司 | Brake wheel pair for non-power toothed rail bogie and non-power toothed rail bogie |
| CN114407938A (en) * | 2021-11-02 | 2022-04-29 | 中铁二院工程集团有限责任公司 | Design method of gear-rack for mountain land rack rail track traffic |
-
2019
- 2019-03-29 CN CN201920418208.3U patent/CN209958160U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962367A (en) * | 2021-02-24 | 2021-06-15 | 中铁二院工程集团有限责任公司 | Construction method of tooth-track railway ballast track system |
| CN112793596A (en) * | 2021-04-08 | 2021-05-14 | 西南交通大学 | Rack structure based on screw rack transmission |
| CN113215872A (en) * | 2021-04-12 | 2021-08-06 | 中铁二院工程集团有限责任公司 | Rack structure for toothed rail railway and fastener system thereof |
| CN113215871A (en) * | 2021-04-12 | 2021-08-06 | 中铁二院工程集团有限责任公司 | Toothed rail fastener system for concrete sleeper |
| CN113215871B (en) * | 2021-04-12 | 2022-12-27 | 中铁二院工程集团有限责任公司 | Toothed rail fastener system for concrete sleeper |
| CN114407938A (en) * | 2021-11-02 | 2022-04-29 | 中铁二院工程集团有限责任公司 | Design method of gear-rack for mountain land rack rail track traffic |
| CN114059399A (en) * | 2021-12-22 | 2022-02-18 | 中铁二院工程集团有限责任公司 | Seamless rack track structure |
| CN114318967A (en) * | 2022-01-05 | 2022-04-12 | 中铁二院工程集团有限责任公司 | Ballastless track tooth track connecting system for large-gradient simply-supported bridge |
| CN114318967B (en) * | 2022-01-05 | 2023-07-18 | 中铁二院工程集团有限责任公司 | Tooth rail connecting system for ballastless track of heavy-gradient simply-supported bridge |
| CN114312900A (en) * | 2022-01-28 | 2022-04-12 | 中车长春轨道客车股份有限公司 | Brake wheel pair for non-power toothed rail bogie and non-power toothed rail bogie |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209958160U (en) | Rack rail structure of rack rail railway | |
| CN1928235B (en) | Damper rail | |
| CN103790080B (en) | City rail wheel guard rail device and installation method thereof | |
| CN206231402U (en) | A kind of single rail bogie and the rail vehicle with the single rail bogie | |
| CN205059599U (en) | Power package installation chassis structure | |
| CN206204838U (en) | A kind of road guard of resistance to collision | |
| CN101255673A (en) | Double-rail-head steel rail and composed double-rail track | |
| CN107630413A (en) | The adjustable deceleration strip of non-newtonian fluid | |
| CN204200879U (en) | 100% low-floor track train exports rubber coupling device | |
| CN203684006U (en) | Novel urban railway guard rail device | |
| CN103010223A (en) | Alternating current transmission diesel locomotive | |
| CN107499331A (en) | A kind of single rail bogie and the rail vehicle with the single rail bogie | |
| CN214401224U (en) | Pore-free toothed rail railway fastener | |
| CN206086745U (en) | Single track bogie and have rail vehicle of this single track bogie | |
| CN201395754Y (en) | Rubber tie plate mechanism | |
| CN111827019A (en) | Track backing plate with vibration/noise reduction function | |
| CN207943786U (en) | A kind of fixed structure of mill crane beam | |
| CN209602877U (en) | A kind of installing and connecting apparatus suitable for track acoustic board | |
| CN203938934U (en) | The stopping means of road bed board | |
| CN201010836Y (en) | Plate-type vibration reducing rail buckle | |
| CN207295522U (en) | A kind of adjustable deceleration strip of non-newtonian fluid | |
| CN215711175U (en) | Emergency car arrester for laying running rail of subway rail | |
| CN206555397U (en) | A kind of anti-slungshot device of rail traffic vehicle gear box | |
| CN206255014U (en) | A kind of single rail bogie and the rail vehicle with the single rail bogie | |
| CN210797111U (en) | Sleeper structure of toothed rail railway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |