CN111509456A - High manganese steel frog conductive pin structure - Google Patents
High manganese steel frog conductive pin structure Download PDFInfo
- Publication number
- CN111509456A CN111509456A CN202010545839.9A CN202010545839A CN111509456A CN 111509456 A CN111509456 A CN 111509456A CN 202010545839 A CN202010545839 A CN 202010545839A CN 111509456 A CN111509456 A CN 111509456A
- Authority
- CN
- China
- Prior art keywords
- conductive pin
- base
- manganese steel
- high manganese
- mounting plate
- 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.)
- Granted
Links
- 229910000617 Mangalloy Inorganic materials 0.000 title claims abstract description 41
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 abstract description 11
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000007547 defect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Landscapes
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses a high manganese steel frog conductive pin structure which is characterized by comprising a cylindrical base and a conductive pin mounting plate, wherein the conductive pin mounting plate is vertically arranged on the base, a conductive pin hole is formed in the conductive pin mounting plate, an annular groove is formed in the outer peripheral surface of the base, and the base is arranged on the high manganese steel frog through an insert casting process. The conductive pin holes of the structure can be flexibly arranged, the jumper wires can be connected in a plug pin mode and in a bolt mode, meanwhile, the jumper wires are convenient to disassemble and assemble, and the reuse rate is high.
Description
Technical Field
The invention relates to the technical field of rail transit frog, in particular to a high manganese steel frog conductive pin structure.
Background
Along with the development of domestic railways towards high speed and heavy load, the railway trunk line has the characteristics of large traffic volume, high density and short maintenance time, and puts higher requirements on the normal maintenance of the line: on the basis of meeting the use requirements, the maintenance task must be finished with high standard, high quality and high efficiency.
Frog refers to a device for enabling a wheel to cross another steel rail from one steel rail, jumper is a cable for continuing a track circuit, and the connection modes of the frog and the jumper in the prior art are two types:
(1) as shown in fig. 3, a cylindrical conductive pin is cast in the high manganese steel frog, a mounting hole is pre-formed in the high manganese steel frog, a cylindrical conductive pin cast-in block a1 is placed in the mounting hole, then high manganese steel metal liquid is injected into the mounting hole for solidification and forming, and finally, the conductive pin cast-in block is drilled through mechanical equipment. The disadvantages of the connection mode are that: because the wall thickness at the rail web is thin (the thickness is about 16-20 mm), the influence of analyzing the conductive pin insert cast block (made of carbon steel) on the flow variable of the high manganese steel molten metal in the mold filling process at the rail web part of the frog is large from the aspect of hydrodynamics, the casting defects of cold shut, air holes, inclusion and the like are easily formed around the conductive pin insert cast block, and the manufacturing process of the conductive pin hole is complex.
(2) As shown in fig. 4, a conductive pin insert is pre-machined, a conductive pin hole is formed in the top of the conductive pin insert, and the bottom of the conductive pin insert a2 is mounted on the high manganese steel frog through an insert casting process. The disadvantages of the connection mode are that: the wire jumper can only be connected through the chock pin mode, can't connect through the mode of bolt, simultaneously because the bottom plate of the perpendicular frog of conductive pin hole causes to dismantle the operation space not enough, and the reuse rate of wire jumper is relatively poor.
In this regard, the prior art is subject to further improvement.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a high manganese steel frog conductive pin structure, conductive pin holes of the structure can be flexibly arranged, jumper wires can be connected in a plug pin mode and a bolt mode, and meanwhile, the jumper wires are convenient to disassemble and assemble and high in reuse rate.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a high manganese steel frog conductive pin structure, includes columniform base and conductive pin mounting panel, and the conductive pin mounting panel is installed perpendicularly on the base, is equipped with conductive pin hole on the conductive pin mounting panel, is equipped with the annular groove on the outer peripheral face of base, the base passes through the imbedding technology to be installed on high manganese steel frog.
Preferably, the lower side surface of the conductive pin mounting plate is fixedly connected with the top surface of the base, and the lower side surface of the conductive pin mounting plate is located in the middle of the top surface of the base.
Preferably, the length of the lower side surface of the conductive pin mounting plate is the same as the diameter of the top surface of the base, and the width of the lower side surface of the conductive pin mounting plate is smaller than the diameter of the top surface of the base.
Preferably, the left side surface and the right side surface of the conductive pin mounting plate are both arc-shaped surfaces and are respectively matched with the peripheral surfaces of the corresponding bases.
Preferably, the conductive pin hole is located in the middle of the conductive pin mounting plate and penetrates through the front side and the rear side of the conductive pin mounting plate.
Preferably, the base and the conductive pin mounting plate are integrally formed.
Compared with the prior art, the invention has the following beneficial effects:
(1) the base is installed on the high manganese steel frog through an insert casting process, the direction of the conductive pin hole can be adjusted randomly according to needs before installation, the adaptability is strong, the jumper wires can be connected in a plug pin mode and a bolt mode, the structure has enough construction operation space, the construction process is simple, the reuse rate of the jumper wires is greatly improved, and meanwhile, the structure is simple in manufacturing process.
(2) The base is installed on the high manganese steel frog through an insert casting process, the cross section of the base is circular, the proportion of the sectional area of the base to the sectional area of the lug plate of the high manganese steel frog is small, the hydromechanics influence on high manganese steel metal liquid in the casting process is small, no turbulent flow phenomenon is formed around the base, the probability of generating defects is small and can be ignored, and therefore casting defects such as cold insulation, air holes, impurities and the like cannot be formed.
(3) According to the invention, the annular groove is formed on the peripheral surface of the base, the base is installed on the high manganese steel frog through an insert casting process, the high manganese steel liquid metal in the groove and the high manganese steel frog are integrally formed, and the pull-out resistance of the high manganese steel frog conductive pin structure is further improved after solidification.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the flexible arrangement direction of the conductive pin holes of the present invention.
Fig. 3 is a schematic diagram of a prior art structure.
Fig. 4 is a schematic diagram of a prior art structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 2, a high manganese steel frog conductive pin structure, including columniform base 1 and conductive pin mounting panel 2, the downside of conductive pin mounting panel 2 is located the top surface middle part of base 1, the downside length direction of conductive pin mounting panel 2 and the radial direction coincidence of the top surface of base 1, the downside of specific conductive pin mounting panel 2 and the perpendicular fixed connection of top surface of base 1, the downside length of more specific conductive pin mounting panel 2 is the same with the top surface diameter of base 1, the downside width of conductive pin mounting panel 2 is less than the top surface diameter of base 1, conductive pin mounting panel 2 divides into two equal semi-circular arc conductive pin datum planes 3 of size with the top surface of base 1.
Furthermore, the left side surface and the right side surface of the conductive pin mounting plate 2 are both arc surfaces and are respectively matched with the corresponding circular outer peripheral surfaces of the base 1, so that the whole attractiveness of the conductive pin structure is improved.
The conductive pin mounting plate 2 is provided with a conductive pin hole 4, and the conductive pin hole 4 is located in the middle of the conductive pin mounting plate 2 and penetrates through the front side surface and the rear side surface of the conductive pin mounting plate 2.
Further, the location of the conductive pin holes 4 on the electrical pin mounting plate 2 may be customized to the needs of the customer.
The outer peripheral surface of the base 1 is provided with an annular groove 5, the base 1 is installed on the high manganese steel frog through an insert casting process, high manganese steel metal liquid in the annular groove 5 and the high manganese steel frog are integrally formed, and the pull-out resistance of the high manganese steel frog conductive pin structure is further improved after solidification.
Further, the base 1 and the conductive pin mounting plate 2 are integrally formed.
The installation and use processes of the high manganese steel frog conductive pin structure are explained as follows:
specifically, the base 1 of the conductive pin structure is embedded into the corresponding position of a sand mold in the molding stage of the high manganese steel frog, the base 1 extends into a cavity, the orientation of a conductive pin hole 4 is adjusted as required as shown in figure 2, the base 1 extending into the cavity is filled with high manganese steel molten metal in the pouring process, and the installation is completed after the high manganese steel molten metal is cooled and solidified. Wherein the front side and the back side of the conductive pin mounting plate 2 are connected with the jumper wire in a plug pin or bolt mode through the conductive pin hole 4.
In conclusion, the high manganese steel frog conductive pin structure provided by the invention has the advantages that the base 1 is installed on the high manganese steel frog through an insert casting process, the direction of the conductive pin hole 4 can be randomly adjusted according to needs before installation, the adaptability is strong, jumper wires can be connected in a plug pin mode or a bolt mode, the structure has enough construction operation space, the construction process is simple, the reuse rate of the jumper wires is greatly improved, and meanwhile, the structure is simple in manufacturing process.
Meanwhile, the cross section of the base 1 is circular, the proportion of the cross section area of the base 1 to the cross section area of the lug plate of the high manganese steel frog is small, the influence on the hydromechanics of the high manganese steel metal liquid is small in the pouring process, no turbulent flow phenomenon is formed around the base 1, the probability of generating defects is small and can be ignored, and therefore casting defects such as cold insulation, air holes and impurities cannot be formed.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a high manganese steel frog conductive pin structure which characterized in that, includes columniform base and conductive pin mounting panel, and the conductive pin mounting panel is installed perpendicularly on the base, is equipped with conductive pin hole on the conductive pin mounting panel, is equipped with annular groove on the outer peripheral face of base, the base passes through the imbedding technology to be installed on high manganese steel frog.
2. The high manganese steel frog conductive pin structure of claim 1 wherein the underside of said conductive pin mounting plate is fixedly attached to the top surface of the base, and the underside of the conductive pin mounting plate is located in the middle of the top surface of the base.
3. The high manganese steel frog conductive pin structure of claim 2 wherein the length of the underside of the conductive pin mounting plate is the same as the diameter of the top surface of the base, and the width of the underside of the conductive pin mounting plate is smaller than the diameter of the top surface of the base.
4. The high manganese steel frog conducting pin structure according to claim 3 wherein the left and right sides of the conducting pin mounting plate are both arcuate surfaces that respectively fit the outer peripheral surfaces of the corresponding bases.
5. The high manganese steel frog pin structure of claim 1 wherein said pin holes are located in the middle of the pin mounting plate and extend through the front and rear sides of the pin mounting plate.
6. The high manganese steel frog pin structure of any one of claims 1-5 wherein the base and pin mounting plate are integrally formed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010545839.9A CN111509456B (en) | 2020-06-16 | 2020-06-16 | High manganese steel frog conductive pin structure |
Applications Claiming Priority (1)
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CN202010545839.9A CN111509456B (en) | 2020-06-16 | 2020-06-16 | High manganese steel frog conductive pin structure |
Publications (2)
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CN111509456A true CN111509456A (en) | 2020-08-07 |
CN111509456B CN111509456B (en) | 2024-07-23 |
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CN202010545839.9A Active CN111509456B (en) | 2020-06-16 | 2020-06-16 | High manganese steel frog conductive pin structure |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0575259A1 (en) * | 1992-06-19 | 1993-12-22 | DUBUIS Société Anonyme | Insert for use in an element for the connection of an electrical terminal |
JPH1038948A (en) * | 1996-07-30 | 1998-02-13 | Japan Synthetic Rubber Co Ltd | Apparatus for detaching-storing conductive pin |
CN101791985A (en) * | 2010-04-20 | 2010-08-04 | 齐齐哈尔轨道交通装备有限责任公司 | Rubber gasket of journal box and bogie |
CN202205635U (en) * | 2011-08-31 | 2012-04-25 | 王漳泉 | Insulation supports of disconnecting switch |
CN203166123U (en) * | 2013-04-07 | 2013-08-28 | 浙江贝尔通信集团有限责任公司 | An alloy steel combined frog track backflow connecting device |
CN207250761U (en) * | 2017-07-11 | 2018-04-17 | 信维创科通信技术(北京)有限公司 | Conductive pin |
CN109473856A (en) * | 2018-12-24 | 2019-03-15 | 四川永贵科技有限公司 | A kind of rolling stock vehicle end dynamic connector design method and products thereof |
CN212033299U (en) * | 2020-06-16 | 2020-11-27 | 中铁宝桥集团有限公司 | High manganese steel frog conductive pin structure |
-
2020
- 2020-06-16 CN CN202010545839.9A patent/CN111509456B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0575259A1 (en) * | 1992-06-19 | 1993-12-22 | DUBUIS Société Anonyme | Insert for use in an element for the connection of an electrical terminal |
JPH1038948A (en) * | 1996-07-30 | 1998-02-13 | Japan Synthetic Rubber Co Ltd | Apparatus for detaching-storing conductive pin |
CN101791985A (en) * | 2010-04-20 | 2010-08-04 | 齐齐哈尔轨道交通装备有限责任公司 | Rubber gasket of journal box and bogie |
CN202205635U (en) * | 2011-08-31 | 2012-04-25 | 王漳泉 | Insulation supports of disconnecting switch |
CN203166123U (en) * | 2013-04-07 | 2013-08-28 | 浙江贝尔通信集团有限责任公司 | An alloy steel combined frog track backflow connecting device |
CN207250761U (en) * | 2017-07-11 | 2018-04-17 | 信维创科通信技术(北京)有限公司 | Conductive pin |
CN109473856A (en) * | 2018-12-24 | 2019-03-15 | 四川永贵科技有限公司 | A kind of rolling stock vehicle end dynamic connector design method and products thereof |
CN212033299U (en) * | 2020-06-16 | 2020-11-27 | 中铁宝桥集团有限公司 | High manganese steel frog conductive pin structure |
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CN111509456B (en) | 2024-07-23 |
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