CN111219432A - Friction plate of speed reducer of railway switch machine and production method thereof - Google Patents

Friction plate of speed reducer of railway switch machine and production method thereof Download PDF

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Publication number
CN111219432A
CN111219432A CN202010033812.1A CN202010033812A CN111219432A CN 111219432 A CN111219432 A CN 111219432A CN 202010033812 A CN202010033812 A CN 202010033812A CN 111219432 A CN111219432 A CN 111219432A
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CN
China
Prior art keywords
carbon fiber
hoop
composite material
woven fabric
fiber woven
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Pending
Application number
CN202010033812.1A
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Chinese (zh)
Inventor
杜乐庆
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Guangde Gutelli Brake Materials Co Ltd
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Guangde Gutelli Brake Materials Co Ltd
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Priority to CN202010033812.1A priority Critical patent/CN111219432A/en
Publication of CN111219432A publication Critical patent/CN111219432A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02—Composition of linings ; Methods of manufacturing
    • F16D69/023—Composite materials containing carbon and carbon fibres or fibres made of carbonizable material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/06—Bands, shoes or pads; Pivots or supporting members therefor for externally-engaging brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D69/0416—Attachment of linings specially adapted for curved linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D2069/002—Combination of different friction materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D2069/005—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces having a layered structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D2069/005—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces having a layered structure
    • F16D2069/008—Layers of fibrous materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D2069/0425—Attachment methods or devices
    • F16D2069/0433—Connecting elements not integral with the braking member, e.g. bolts, rivets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D2069/0425—Attachment methods or devices
    • F16D2069/045—Bonding
    • F16D2069/0466—Bonding chemical, e.g. using adhesives, vulcanising
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D2069/0425—Attachment methods or devices
    • F16D2069/045—Bonding
    • F16D2069/0466—Bonding chemical, e.g. using adhesives, vulcanising
    • F16D2069/0475—Bonding chemical, e.g. using adhesives, vulcanising comprising thermal treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0004—Materials; Production methods therefor metallic
    • F16D2200/0008—Ferro
    • F16D2200/0021—Steel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/006—Materials; Production methods therefor containing fibres or particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0078—Materials; Production methods therefor laminated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0082—Production methods therefor
    • F16D2200/0091—Impregnating a mat of fibres with a binder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly
    • F16D2250/003—Chip removing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly
    • F16D2250/0061—Joining
    • F16D2250/0069—Adhesive bonding

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses a friction plate of a speed reducer of a railway switch machine and a production method thereof, wherein the friction plate comprises a hoop A and is characterized in that: staple bolt A one end is provided with the staple bolt B rather than being fit for, and staple bolt A and staple bolt B junction are provided with round pin axle, sell epaxial being provided with the spacing bolt that runs through it, staple bolt A and staple bolt B's inboard is provided with the transmission connector, and the outside of transmission connector is provided with rotatory roller, staple bolt A and staple bolt B's inboard all is provided with brake block subassembly. The friction plate production method of the railway switch machine speed reducer adopts the carbon fiber as a friction material, has the characteristics of high temperature resistance, wear resistance and the like, has high strength and modulus along the fiber axis direction, and has small density and high specific strength and specific modulus, so that the strength and the service life of the brake plate are improved.

Description

Friction plate of speed reducer of railway switch machine and production method thereof
Technical Field
The invention relates to the technical field of friction plates, in particular to a friction plate of a speed reducer of a railway switch machine and a production method thereof.
Background
The friction disc, also called braking piece or brake block lets the mechanical structure of high-speed operation or operation slow down operation or stop operation, mostly all can use the friction disc to brake, consequently, the friction disc is the most critical safety part, and all good and bad of braking effect all play decisive role as the friction disc. The friction plate is generally composed of a steel plate, a bonding layer and a friction block, wherein the friction block is composed of a friction material and an adhesive, and the friction block is extruded on a transmission shaft and a brake hub to generate friction during braking, so that the aim of decelerating or stopping the operation of a mechanical structure is fulfilled.
The traditional friction plate adopts an asbestos rubber brake band to brake, wherein asbestos is a carcinogen harmful to human bodies, and is forbidden to be used in many industries in China, at present, an asbestos-free friction plate serving as a substitute is prepared by adding rubber and resin as a binder or independently adding resin as a binder, adding a friction material and pressing into the friction plate. However, the friction material has poor temperature resistance, rapid wear and short service life, and causes resource waste, so the invention designs the friction plate of the speed reducer of the railway switch machine and the production method thereof to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a friction plate of a speed reducer of a railway switch machine and a production method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a railway switch reduction gear friction disc, includes staple bolt A, its characterized in that: one end of the hoop A is provided with a hoop B which is matched with the hoop A, and the joint of the hoop A and the hoop B is provided with a pin shaft, the pin shaft is provided with a limit bolt which penetrates through the pin shaft, the inner sides of the hoop A and the hoop B are provided with transmission connectors, and the outer side of the transmission connector is provided with a rotating roller, the inner sides of the anchor ear A and the anchor ear B are both provided with brake pad assemblies, and the outer sides of the brake pad components are all provided with carbon fiber woven fabric layers, the ends of the anchor ears A and B far away from the pin shaft are both provided with connecting rods, and the outer sides of the connecting rods are all provided with springs, the inner sides of the anchor ears A and B are both evenly provided with threaded holes, through holes are uniformly formed in the brake pad assembly and the carbon fiber woven fabric layer, fastening bolts are uniformly arranged on the inner side of the carbon fiber woven fabric layer, and the fastening bolts are matched with the through holes and the threaded holes.
Preferably, the carbon fiber woven fabric layer includes support steel, viscose layer, carbon fiber woven fabric layer and organic composite material layer, evenly seted up the round hole on the support steel, and the top and the bottom of support steel all are provided with the viscose layer, the carbon fiber woven fabric layer is all installed in the outside on viscose layer, and the outside on carbon fiber woven fabric layer all is provided with organic composite material layer.
The carbon fiber woven fabric layer is formed by oppositely attaching a plurality of layers of carbon fiber woven fabrics through specific viscose glue.
A production method of a friction plate of a speed reducer of a railway switch machine is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: the single-layer or multi-layer carbon fiber braided fabric is subjected to glue coating or gum dipping, and is heated and cured at constant temperature through an oven, so that yarns are firmly combined, meanwhile, the hardness of the braided fabric is increased, and the shearing or punch forming is facilitated;
step two: punching and shearing by a punch and other equipment;
step three: the sheared or punched carbon fiber braided fabric is bonded on a metal support or an organic composite material support by the following three methods:
①, adopting cold bonding method, directly bonding the formed product on the support made of metal or organic composite material by glue;
②, coating primer on the formed carbon fiber woven fabric by a hot sticking method, coating primer or not on the metal support or the organic composite material support, attaching and pressing the metal support and the organic composite material support, and heating the metal support and the organic composite material support in an oven or a curing oven to cure and bond the metal support and the organic composite material support;
③, stacking the metal support, the organic composite material and the formed carbon fiber braided fabric in a mould, heating and pressurizing in a thermal forming pressure machine, and curing and bonding;
step four: the product is sampled and detected for a plurality of times through automatic quality inspection equipment, and is packaged and conveyed;
the temperature of the baking oven or the curing oven is between 120 and 250 ℃, and the pressure is between 1 and 5 kilograms per square centimeter.
Preferably, the temperature of the hot press is controlled between 150 ℃ and 200 ℃, and the pressure is controlled between 0.5 kg and 3 kg per square centimeter.
Compared with the prior art, the invention has the beneficial effects that: this railway switch reduction gear friction disc adopts the carbon fiber as friction material, have high temperature resistant, characteristic such as stand wear and tear, and there are very high intensity and modulus along the fiber axis direction, the density of carbon fiber is little, consequently than intensity with than the modulus high, thereby the intensity and the life of this brake block have been improved, and this railway switch reduction gear friction disc production method can bond the installation to the carbon fiber braided fabric layer through multiple mode, can choose for use as required, the suitability of this method has been improved, and improve the stability of its installation, avoid taking place to become flexible or translocate among the braking process, influence braking effect.
Drawings
FIG. 1 is a schematic front cross-sectional view of the present invention;
FIG. 2 is an exploded view of a portion of the structure of the present invention;
fig. 3 is a schematic view of the layer structure of the carbon fiber woven fabric of the present invention.
In the figure: 1. a hoop A; 2. a hoop B; 3. a pin shaft; 4. a limit bolt; 5. a transmission connector; 6. a rotating roller; 7. a brake pad assembly; 8. a carbon fiber woven fabric layer; 8-1, support steel; 8-2, an adhesive layer; 8-3, a carbon fiber woven fabric layer; 8-4, an organic composite material layer; 9. a connecting rod; 10. a spring; 11. a threaded hole; 12. a through hole; 13. and fastening the bolt.
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.
Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a railway switch reduction gear friction disc, includes staple bolt A1, its characterized in that: one end of the hoop A1 is provided with a suitable hoop B2, a pin shaft 3 is arranged at the joint of the hoop A1 and the hoop B2, a limit bolt 4 penetrating the pin shaft 3 is arranged on the pin shaft 3, a transmission connector 5 is arranged at the inner sides of the hoop A1 and the hoop B2, and the outer side of the transmission connector 5 is provided with a rotating roller 6, the inner sides of the hoop A1 and the hoop B2 are both provided with a brake pad assembly 7, and the outer sides of the brake pad assemblies 7 are all provided with carbon fiber woven fabric layers 8, the ends of the hoops A1 and B2 far away from the pin shaft 3 are all provided with connecting rods 9, the outer sides of the connecting rods 9 are provided with springs 10, the inner sides of the hoops A1 and B2 are uniformly provided with threaded holes 11, the brake pad assembly 7 and the carbon fiber woven fabric layer 8 are uniformly provided with through holes 12, the inner side of the carbon fiber woven fabric layer 8 is uniformly provided with fastening bolts 13, and the fastening bolts 13 are matched with the through holes 12 and the threaded holes 11;
the carbon fiber woven fabric layer 8 comprises support steel 8-1, an adhesive layer 8-2, a carbon fiber woven fabric layer 8-3 and an organic composite material layer 8-4, round holes are uniformly formed in the support steel 8-1, the top and the bottom of the support steel 8-1 are provided with the adhesive layers 8-2, the carbon fiber woven fabric layer 8-3 is mounted on the outer side of the adhesive layer 8-2, the organic composite material layer 8-4 is arranged on the outer side of the carbon fiber woven fabric layer 8-3, the strength of the brake pad is effectively improved, the service life of the brake pad is effectively prolonged, the carbon fiber woven fabric layer is formed by pasting a plurality of layers of carbon fiber woven fabrics through specific adhesives, the thickness of the carbon fiber woven fabric layer is adjusted, and the strength and the service life of the.
A production method of a friction plate of a speed reducer of a railway switch machine is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: the carbon fiber braided fabric is subjected to gluing or gum dipping, and is heated and cured through an oven or a curing oven, so that yarns are firmly combined, meanwhile, the hardness of the braided fabric is increased, and the shearing or punch forming is facilitated;
step two: performing punch forming through a vulcanizing machine, and performing cooling cleaning and rough edge treatment on the obtained product;
step three: the sheared or punched carbon fiber braided fabric is bonded on a metal support or an organic composite material support by the following three methods:
①, adopting cold bonding method, directly bonding the formed product on the support made of metal or organic composite material by glue;
②, coating primer on the formed carbon fiber woven fabric by a hot sticking method, coating primer or not on the metal support or the organic composite material support, attaching and pressing the metal support and the organic composite material support, and heating the metal support and the organic composite material support in an oven or a curing oven to cure and bond the metal support and the organic composite material support;
③, stacking the metal support, the organic composite material and the formed carbon fiber braided fabric in a mould, heating and pressurizing in a thermal forming pressure machine, and curing and bonding;
step four: the product is sampled and detected for a plurality of times through automatic quality inspection equipment, and is packaged and conveyed.
The temperature of the bonding in the oven or curing furnace is between 120 ℃ and 250 ℃, the pressure is between 1 kilogram and 5 kilograms per square centimeter, the temperature of the hot press is controlled between 150 ℃ and 200 ℃, the pressure is between 0.5 kilogram and 3 kilograms per square centimeter, the temperature and the pressure are accurately controlled, and the bonding property of the bonding and the strength of the carbon fiber material are improved.
The working principle is as follows: the method comprises the steps of utilizing a fixing device to stably fix a brake pad main body, gluing or gumming a carbon fiber braided fabric, carrying out constant-temperature heating and curing through an oven or a curing oven, stamping and shearing through equipment such as a stamping device, forming the carbon fiber braided fabric, cooling the carbon fiber braided fabric, and bonding the sheared or stamped carbon fiber braided fabric on a metal support or an organic conforming material support by three methods of cold bonding, hot bonding and fixed-line bonding, so that the production of the friction plate of the speed reducer of the railway switch machine is completed, and the friction plate is subjected to quality inspection and packaging.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a railway switch reduction gear friction disc, includes staple bolt A (1), its characterized in that: one end of the hoop A (1) is provided with a hoop B (2) suitable for the hoop A, a pin shaft (3) is arranged at the joint of the hoop A (1) and the hoop B (2), a limit bolt (4) penetrating through the pin shaft (3) is arranged on the pin shaft (3), the inner sides of the hoop A (1) and the hoop B (2) are provided with a transmission connector (5), the outer side of the transmission connector (5) is provided with a rotating roller (6), the inner sides of the hoop A (1) and the hoop B (2) are both provided with a brake sheet assembly (7), the outer sides of the brake sheet assembly (7) are both provided with a carbon fiber woven fabric layer (8), one ends of the hoop A (1) and the hoop B (2) far away from the pin shaft (3) are both provided with connecting rods (9), the outer sides of the connecting rods (9) are both provided with springs (10), and the inner sides of the hoop A (1) and the hoop B (2) are both uniformly provided with threaded holes, through-holes (12) are uniformly formed in the brake pad assembly (7) and the carbon fiber woven fabric layer (8), fastening bolts (13) are uniformly arranged on the inner side of the carbon fiber woven fabric layer (8), and the fastening bolts (13) are matched with the through-holes (12) and the threaded holes (11).
2. A railway switch machine reducer friction plate according to claim 1, characterized in that: the carbon fiber woven fabric layer (8) comprises support steel (8-1), an adhesive layer (8-2), a carbon fiber woven fabric layer (8-3) and an organic composite material layer (8-4), round holes are uniformly formed in the support steel (8-1), the top and the bottom of the support steel (8-1) are provided with the adhesive layer (8-2), the carbon fiber woven fabric layer (8-3) is mounted on the outer side of the adhesive layer (8-2), and the outer side of the carbon fiber woven fabric layer (8-3) is provided with the organic composite material layer (8-4).
3. A railway switch machine reducer friction plate according to claim 2, characterized in that: the carbon fiber woven fabric layer (8-3) is formed by attaching single-layer or multi-layer carbon fiber woven fabrics to each other through specific viscose glue.
4. A method for producing a friction plate of a speed reducer of a railway switch machine according to claims 1-3, characterized in that: the method comprises the following steps:
the method comprises the following steps: gluing or dipping the carbon fiber braided fabric, and heating and curing the carbon fiber braided fabric through an oven or a curing oven;
step two: punching and shearing by a punch and other equipment;
step three: the sheared or punched carbon fiber braided fabric is bonded on a metal support or an organic composite material support by the following three methods:
①, adopting cold bonding method, directly bonding the formed carbon fiber braided fabric on the support made of metal or organic composite material by glue;
②, coating primer on the formed carbon fiber woven fabric by a hot sticking method, coating primer or not on the metal support or the organic composite material support, attaching and pressing the metal support and the organic composite material support, and heating the metal support and the organic composite material support in an oven or a curing oven to cure and bond the metal support and the organic composite material support;
③, stacking the metal support, the organic composite material and the formed carbon fiber braided fabric in a mould, heating and pressurizing in a thermal forming pressure machine, and curing and bonding;
step four: the product is sampled and detected for a plurality of times through automatic quality inspection equipment, and is packaged and conveyed.
5. A method for producing a friction plate of a speed reducer of a railway switch machine according to claim 4, wherein: the temperature of the pasting in the oven is between 120 and 250 ℃, and the pressure is between 1 and 5 kilograms per square centimeter.
6. A method for producing a friction plate of a speed reducer of a railway switch machine according to claim 4, wherein: the temperature of the hot press is controlled between 150 ℃ and 200 ℃, and the pressure is controlled between 0.5 kg and 3 kg per square centimeter.
CN202010033812.1A 2020-01-13 2020-01-13 Friction plate of speed reducer of railway switch machine and production method thereof Pending CN111219432A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111805946A (en) * 2020-06-30 2020-10-23 上海航天智能装备有限公司 Method for preparing composite material by hot-pressing reinforcement

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020130010A1 (en) * 2001-03-19 2002-09-19 David Landa Friction clutch plate
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Application publication date: 20200602