CN111519479A - Alloy steel frog - Google Patents
Alloy steel frog Download PDFInfo
- Publication number
- CN111519479A CN111519479A CN202010303632.0A CN202010303632A CN111519479A CN 111519479 A CN111519479 A CN 111519479A CN 202010303632 A CN202010303632 A CN 202010303632A CN 111519479 A CN111519479 A CN 111519479A
- Authority
- CN
- China
- Prior art keywords
- rail
- fork
- wing
- point
- heel
- 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.)
- Pending
Links
- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 34
- 235000000396 iron Nutrition 0.000 claims abstract description 17
- 229910052742 iron Inorganic materials 0.000 claims abstract description 17
- 230000003137 locomotive effect Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 125000006850 spacer group Chemical group 0.000 description 14
- 241001669679 Eleotris Species 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/02—Tongues; Associated constructions
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/10—Frogs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention belongs to the field of rail transit, and relates to an alloy steel frog. Including wing rail, heart rail, fork with and interval iron, wing rail sets up in the heart rail both sides, and heart rail rear portion is provided with the fork with, is provided with a plurality of interval irons between wing rail and the heart rail, and the fork is provided with a plurality of draw-in grooves with the rear portion, installs a plurality of forks in the draw-in groove with interval iron. The invention has simple structure, the fork heel is connected with the point rail by welding, the point rail and the fork heel are directly cast together during casting, the manufacturing cost is low, the improvement difficulty is low, alloy steel is integrally adopted as a raw material, the strength is high, the toughness is good, the service life is long, the wear rate is low, the tolerance strength of a heavy locomotive during passing is ensured by the special design of the fork heel, the service life is prolonged, the reliability is improved, the height of the wing rail is 5mm-7mm higher than that of the point rail, the stability of a running vehicle is improved, the wing rail can pass through the frog at a higher speed, the requirement of railway speed increase is met, the running efficiency is improved, and the running cost is reduced.
Description
Technical Field
The invention belongs to the field of rail transit, and relates to an alloy steel frog.
Background
With the annual increase of the domestic high-speed railway traffic, the existing trunk railways tend to develop towards heavy haul railways, and the market demand of heavy haul turnout products is greatly increased. Under the condition of operation, the abrasion and damage of frog of main parts of the turnout are far greater than those of a common line, the existing frog for the heavy-load turnout has the problems of short service life, frequent replacement and the like, and the transportation capacity of the heavy-load line is seriously restricted.
At present, in the field of rail transit, switching of rail vehicles is realized by frog connected with a main track. The existing frog needs to be arranged on a straight line segment of a track and is limited by a structure and a connection mode, the existing frog is long in length, large in occupied area, short in service life and low in strength, when a heavy freight locomotive passes through, the load of a point rail and a frog heel is large, the existing frog is easy to damage, the problems of deviation and the like easily occur after long-term use, and the existing frog is designed to be difficult to meet the requirement of railway speed raising in the aspect of stability and influence the efficient running of railways.
Disclosure of Invention
The invention provides an alloy steel frog, which comprises wing rails, point rails, fork heels and spacer irons, wherein the wing rails are arranged on two sides of the point rails, and the fork heels are arranged at the rear parts of the point rails, and the alloy steel frog is characterized in that: a plurality of spacing irons are arranged between the wing rail and the center rail, a plurality of clamping grooves are arranged at the rear parts of the fork heels, and a plurality of fork heel spacing irons are arranged in the clamping grooves. The alloy steel frog provided by the invention has the advantages that the structure is simple, the integral structure is not greatly different from that of the traditional frog, the main difference is in the design of the fork heel, the fork heel and the point rail can be directly connected together through welding, the point rail and the fork heel can be directly cast together during casting, the manufacturing cost is low, the improvement difficulty is low, the alloy steel is integrally adopted as a raw material, the strength is high, the toughness is good, the service life is long, the wear rate is low, the tolerance strength of a heavy locomotive during passing is guaranteed through the special design of the fork heel, the service life is prolonged, the reliability is improved, the height of the wing rail is 5-7 mm higher than that of the point rail during design, the stability of a running vehicle is improved, the frog can pass through the frog at a higher speed, the requirement of railway speed raising is met, the running efficiency is improved, and the running cost is reduced.
The technical scheme of the invention is as follows:
the utility model provides an alloy steel frog, its includes wing rail 1, point rail 2, fork with 3 and interval iron 4, and wing rail 1 sets up in 2 both sides of point rail, and 2 rear portions of point rail are provided with the fork with 3, its characterized in that: a plurality of spacing irons 4 are arranged between the wing rail 1 and the center rail 2, a plurality of clamping grooves 3-1 are arranged at the rear parts of the fork heels 3, and a plurality of fork heel spacing irons 5 are arranged in the clamping grooves 3-1.
The height of the wing rail 1 is 5mm-7mm higher than that of the point rail 2.
The point rail 2 and the fork heel 3 are welded together.
The fork heel 3 is of a triangular structure, and the width of the position, close to the point rail, of the fork heel 3 is smaller than that of the position, far away from the point rail.
When the wing rail is installed, two V-shaped wing rails 1 are installed on a sleeper or a foundation according to the laying requirement of a railway rail, a point rail 2 with a fork heel 3 welded at the bottom is installed between the two wing rails 1, after the distance between the wing rails 1 and the point rail 2 is adjusted, a spacer iron 4 is installed between the wing rails 1 and the point rail 2, then the distance between the fork heel 5 and the wing rails 1 is adjusted, and after the distance is adjusted, the fork heel spacer iron 5 is installed in a clamping groove 3-1.
The invention has the beneficial effects that:
(1) simple structure, the improvement degree of difficulty is low, reforms transform with low costsly.
(2) High strength, high toughness, long service life and low wear rate.
(3) The fork heel is specially designed, so that the tolerance strength of the heavy locomotive when the heavy locomotive passes through is guaranteed, the service life is prolonged, and the reliability is improved.
(4) The wing rails are 5mm-7mm higher than the point rails, so that the stability of the running vehicle is improved, the running vehicle can pass through the frog at a higher speed, the requirement of railway speed increase is met, the running efficiency is improved, and the running cost is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the height difference between the wing rail and the point rail according to the present invention.
Fig. 3 is a schematic view of the fork-heel structure of the present invention.
Wherein the reference numbers are as follows: the device comprises a wing rail 1, a center rail 2, a fork heel 3, a clamping groove 3-1, spacer iron 4 and fork heel spacer iron 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following description of the technical solutions of the present invention with reference to the accompanying drawings makes clear and detailed descriptions:
as shown in fig. 1, 2, 3, an alloy steel frog, it includes wing rail 1, point rail 2, fork with 3 and interval iron 4, wing rail 1 sets up in 2 both sides of point rail, and 2 rear portions of point rail are provided with fork with 3, its characterized in that: a plurality of spacing irons 4 are arranged between the wing rail 1 and the center rail 2, a plurality of clamping grooves 3-1 are arranged at the rear parts of the fork heels 3, and a plurality of fork heel spacing irons 5 are arranged in the clamping grooves 3-1.
The height of the wing rail 1 is 5mm-7mm higher than that of the point rail 2.
The point rail 2 and the fork heel 3 are welded together.
The fork heel 3 is of a triangular structure, and the width of the position, close to the point rail, of the fork heel 3 is smaller than that of the position, far away from the point rail.
When the wing rail is installed, two V-shaped wing rails 1 are installed on a sleeper or a foundation according to the laying requirement of a railway rail, a point rail 2 with a fork heel 3 welded at the bottom is installed between the two wing rails 1, after the distance between the wing rails 1 and the point rail 2 is adjusted, a spacer iron 4 is installed between the wing rails 1 and the point rail 2, then the distance between the fork heel 5 and the wing rails 1 is adjusted, and after the distance is adjusted, the fork heel spacer iron 5 is installed in a clamping groove 3-1.
The invention provides an alloy steel frog, which comprises wing rails, point rails, fork heels and spacer irons, wherein the wing rails are arranged on two sides of the point rails, and the fork heels are arranged at the rear parts of the point rails, and the alloy steel frog is characterized in that: a plurality of spacing irons are arranged between the wing rail and the center rail, a plurality of clamping grooves are arranged at the rear parts of the fork heels, and a plurality of fork heel spacing irons are arranged in the clamping grooves. The alloy steel frog provided by the invention has the advantages that the structure is simple, the integral structure is not greatly different from that of the traditional frog, the main difference is in the design of the fork heel, the fork heel and the point rail can be directly connected together through welding, the point rail and the fork heel can be directly cast together during casting, the manufacturing cost is low, the improvement difficulty is low, the alloy steel is integrally adopted as a raw material, the strength is high, the toughness is good, the service life is long, the wear rate is low, the tolerance strength of a heavy locomotive during passing is guaranteed through the special design of the fork heel, the service life is prolonged, the reliability is improved, the height of the wing rail is 5-7 mm higher than that of the point rail during design, the stability of a running vehicle is improved, the frog can pass through the frog at a higher speed, the requirement of railway speed raising is met, the running efficiency is improved, and the running cost is reduced.
Example 1
The following describes in detail the use of an alloy steel frog according to the invention with reference to fig. 1, 2 and 3:
as shown in fig. 1, 2, 3, an alloy steel frog, it includes wing rail 1, point rail 2, fork with 3 and interval iron 4, wing rail 1 sets up in 2 both sides of point rail, and 2 rear portions of point rail are provided with fork with 3, its characterized in that: three groups of six spacer irons 4 are arranged between the wing rail 1 and the center rail 2, two groups of four clamping grooves 3-1 are arranged at the rear part of the fork heel 3, and two fork heel spacer irons 5 are arranged in the clamping grooves 3-1.
The height of the wing rail 1 is 5mm higher than that of the point rail 2.
The point rail 2 and the fork heel 3 are welded together.
The fork heel 3 is of a triangular structure, and the width of the position, close to the point rail, of the fork heel 3 is smaller than that of the position, far away from the point rail.
When the wing rail is installed, two V-shaped wing rails 1 are installed on a sleeper or a foundation according to the laying requirement of a railway rail, a point rail 2 with a fork heel 3 welded at the bottom is installed between the two wing rails 1, after the distance between the wing rails 1 and the point rail 2 is adjusted, a spacer iron 4 is installed between the wing rails 1 and the point rail 2, then the distance between the fork heel 5 and the wing rails 1 is adjusted, and after the distance is adjusted, the fork heel spacer iron 5 is installed in a clamping groove 3-1.
Example 2
The following describes in detail the use of an alloy steel frog according to the invention with reference to fig. 1, 2 and 3:
as shown in fig. 1, 2, 3, an alloy steel frog, it includes wing rail 1, point rail 2, fork with 3 and interval iron 4, wing rail 1 sets up in 2 both sides of point rail, and 2 rear portions of point rail are provided with fork with 3, its characterized in that: five groups of ten spacing irons 4 are arranged between the wing rail 1 and the center rail 2, three groups of six clamping grooves 3-1 are arranged at the rear part of the fork heel 3, and three fork heel spacing irons 5 are arranged in the clamping grooves 3-1.
The height of the wing rail 1 is 7mm higher than that of the point rail 2.
The point rail 2 and the fork heel 3 are welded together.
The fork heel 3 is of a triangular structure, and the width of the position, close to the point rail, of the fork heel 3 is smaller than that of the position, far away from the point rail.
When the wing rail is installed, two V-shaped wing rails 1 are installed on a sleeper or a foundation according to the laying requirement of a railway rail, a point rail 2 with a fork heel 3 welded at the bottom is installed between the two wing rails 1, after the distance between the wing rails 1 and the point rail 2 is adjusted, a spacer iron 4 is installed between the wing rails 1 and the point rail 2, then the distance between the fork heel 5 and the wing rails 1 is adjusted, and after the distance is adjusted, the fork heel spacer iron 5 is installed in a clamping groove 3-1.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. 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 (4)
1. The utility model provides an alloy steel frog, its includes wing rail (1), point rail (2), fork with (3) and interval iron (4), and wing rail (1) sets up in point rail (2) both sides, and point rail (2) rear portion is provided with fork with (3), its characterized in that: a plurality of spacing irons (4) are arranged between the wing rail (1) and the center rail (2), a plurality of clamping grooves (3-1) are arranged at the rear parts of the fork heels (3), and a plurality of fork heel spacing irons (5) are arranged in the clamping grooves (3-1).
2. The alloy steel frog of claim 1 wherein: the height of the wing rail (1) is 5mm-7mm higher than that of the center rail (2).
3. The alloy steel frog of claim 1 wherein: the point rail (2) and the fork heel (3) are welded together.
4. The alloy steel frog of claim 1 wherein: the fork heel (3) is of a triangular structure, and the width of the position, close to the point rail, of the fork heel (3) is smaller than that of the position, far away from the point rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010303632.0A CN111519479A (en) | 2020-04-10 | 2020-04-10 | Alloy steel frog |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010303632.0A CN111519479A (en) | 2020-04-10 | 2020-04-10 | Alloy steel frog |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111519479A true CN111519479A (en) | 2020-08-11 |
Family
ID=71901675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010303632.0A Pending CN111519479A (en) | 2020-04-10 | 2020-04-10 | Alloy steel frog |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111519479A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668299A (en) * | 2021-08-20 | 2021-11-19 | 宜兴市鑫煜科技有限公司 | Integrally-cast frog structure for railroad tramcar turnout and preparation process thereof |
-
2020
- 2020-04-10 CN CN202010303632.0A patent/CN111519479A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668299A (en) * | 2021-08-20 | 2021-11-19 | 宜兴市鑫煜科技有限公司 | Integrally-cast frog structure for railroad tramcar turnout and preparation process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200811 |