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CN-121974243-A - Antiskid type single-rail crane car rail and processing method thereof

CN121974243ACN 121974243 ACN121974243 ACN 121974243ACN-121974243-A

Abstract

The invention belongs to the technical field of rails, and particularly relates to an anti-skid monorail crane rail and a processing method thereof, wherein the anti-skid monorail crane rail comprises a rail body, the inner wall of the rail body is fixedly connected with a web, the surface of the web is provided with an anti-skid wear-resistant layer, the inside of the anti-skid wear-resistant layer is provided with rail wheels, and both sides of the rail body are provided with cleaning components for cleaning the inside of the rail body in the use process; be equipped with self-adaptation buffer unit between web and the anti-skidding wearing layer, the inside of anti-skidding wearing layer is equipped with the contact area with the rail wheel adaptation, the track body outside is equipped with thermal compensation anticoagulation subassembly, track body bottom is equipped with impurity closed loop collection subassembly. According to the invention, by arranging the thermal compensation anti-condensation component and adopting the design of 'temperature and humidity double detection-graphene precise heating', the temperature and humidity conditions of condensate water generation are broken through from the source, and compared with a traditional passive cleaning mode, the condensate water generation amount is reduced by more than 90%.

Inventors

  • GAO JIE
  • DU GUOQIANG
  • Bi Yuxing
  • LIU HAILUN

Assignees

  • 安徽德高矿山科技有限公司

Dates

Publication Date
20260505
Application Date
20260304

Claims (9)

  1. 1. The utility model provides an antiskid formula single track crane car track, includes track body (1), its characterized in that: The anti-skid rail comprises a rail body (1), wherein the inner wall of the rail body (1) is fixedly connected with a web plate (2), an anti-skid wear-resistant layer (3) is arranged on the surface of the web plate, rail wheels (4) are arranged in the anti-skid wear-resistant layer (3), and cleaning components (5) are arranged on two sides of the rail body (1) and used for cleaning the inside of the rail body (1) in the use process; An adaptive buffer assembly (6) is arranged between the web plate (2) and the anti-skid wear-resistant layer (3), a contact area matched with the rail wheel (4) is arranged in the anti-skid wear-resistant layer (3), a thermal compensation anti-condensation assembly (7) is arranged on the outer side of the rail body (1), an impurity closed-loop collecting assembly (8) is arranged at the bottom of the rail body (1), and the adaptive buffer assembly (6), the thermal compensation anti-condensation assembly (7), the impurity closed-loop collecting assembly (8) and the cleaning assembly (5) form a cooperative working system; The anti-skid wear-resistant layer (3) consists of a superhard metal matrix and a non-metal reinforcing phase dispersed in the superhard metal matrix, wherein the superhard metal matrix is a composite matrix of high-speed steel and hard alloy, and the non-metal reinforcing phase is a mixed reinforcing phase of modified silicon carbide particles and basalt fibers; The self-adaptive buffering assembly (6) comprises an elastic buffering layer (61), a miniature pressure sensor (62) and an electromagnetic adjusting support column (63), the elastic buffering layer (61) is made of a composite elastic material of hydrogenated nitrile rubber and carbon fibers, the miniature pressure sensor (62) is uniformly distributed in the elastic buffering layer (61), the electromagnetic adjusting support column (63) comprises a fixed sleeve (631), a movable ejector rod (632) and an electromagnetic coil (633), the top end of the movable ejector rod (632) is attached to the elastic buffering layer (61), the bottom end of the movable ejector rod is connected with the fixed sleeve (631) through a spring, the electromagnetic coil (633) is wound on the outer side of the fixed sleeve (631), and the miniature pressure sensor (62) is electrically connected with the electromagnetic adjusting support column (63) through a controller.
  2. 2. The skid-proof monorail crane trolley track according to claim 1, wherein the composite matrix of the hard alloy consists of 60-70wt% of high-speed steel and 30-40wt% of hard alloy, the mixed reinforcing phase of the basalt fiber consists of 70-80wt% of modified silicon carbide and 20-30wt% of basalt fiber, the particle size of the modified silicon carbide particle is 50-150 μm, the length of the basalt fiber is 200-300 μm, the diameter of the hard alloy is 10-20 μm, the cobalt content is 8-12wt% of tungsten carbide-cobalt alloy, the particle size of powder is 10-30 μm, the particle size of the high-speed steel powder is 20-50 μm, and the modified silicon carbide particle is obtained by stirring a solution of 5-8wt% of a silane coupling agent at 60-80 ℃ for 1-2 hours.
  3. 3. The anti-slip type monorail crane trolley rail according to claim 1, wherein the thickness of the anti-slip wear-resistant layer (3) is 0.3-0.8mm, the surface of the web plate (2) is subjected to sand blasting roughening treatment, the friction driving pressure of 12MPa and the friction coefficient of 9.8 hardness rail wheels (4) are adapted, and the friction coefficient in a water drop attached state is more than or equal to 0.48.
  4. 4. The skid-proof monorail crane rail as set forth in claim 1, wherein the distance between the electromagnetic adjusting support columns (63) is 20-30mm, the current adjusting range of the electromagnetic coil (633) is 0.5-2A, and the pressure adjusting response time is less than or equal to 0.1s.
  5. 5. The skid-proof monorail crane rail according to claim 1, wherein the thermal compensation and anti-condensation component (7) comprises a graphene heating film (71), a temperature and humidity sensor (72) and a ceramic heat insulation layer (73), wherein the graphene heating film (71) is embedded into the side wall of the rail body (1), the thickness is 0.1-0.2mm, the surface power is 5-8W/dm < 2 >, the temperature and humidity sensor (72) is arranged on the surface of the rail body (1), the detection range is-10-60 ℃ and 0-100% RH, and the graphene heating film (71) is electrically connected with the temperature and humidity sensor (72) through a temperature controller to maintain the temperature of the surface of the rail at 3-5 ℃ above the dew point temperature; The ceramic heat insulation layer (73) is covered on the outer side of the graphene heating film (71), and the thickness is 0.3-0.5mm.
  6. 6. The skid-proof monorail crane rail as set forth in claim 1, wherein the impurity closed loop collection assembly (8) comprises a collection tank (81), a scraping plate (82), a negative pressure adsorption port (83) and a dust collection box (84), wherein the collection tank (81) is arranged at the bottom of the rail body (1), and the scraping plate (82) is slidably connected in the collection tank (81); The negative pressure adsorption port (83) is formed in the bottom of the collecting tank (81) and is communicated with the negative pressure fan through a guide pipe, and the dust collecting box (84) is detachably connected to the tail end of the collecting tank (81), and the volume is more than or equal to 5L.
  7. 7. A method for preparing an anti-slip type single-rail crane vehicle track, which is used for preparing the anti-slip type single-rail crane vehicle track as claimed in any one of claims 1 to 6, and is characterized by comprising the following steps: s1, prefabricating a web pretreatment and a self-adaptive buffer assembly: The web (2) is roughened by sand blasting (the pressure is 0.5-0.7MPa, the angle is 45-60 degrees, the time is 10-15 minutes), the surface roughness Ra3.2-6.3 mu m is detected, and the drying is carried out for 1-2 hours at 120-150 ℃ after the ultrasonic cleaning of acetone; the elastic buffer layer (61) is prepared by mixing hydrogenated nitrile rubber and carbon fiber in proportion, vulcanizing and forming at 160-180 ℃ and 10-15MPa, and embedding a miniature pressure sensor (62) with the interval of 20-30mm; The electromagnetic adjusting support column (63) is installed by drilling holes on the surface of a web plate (2), embedding and welding a fixed sleeve (631), loading a movable ejector rod (632) and a spring, winding an electromagnetic coil (633), and debugging wiring; the elastic buffer layer (61) is adhered, and is fixed at the top ends of the web plate (2) and the electromagnetic adjusting support column (63) by adopting an epoxy adhesive, and is cured for 24 hours at room temperature; s2, preparing and forming an anti-skid wear-resistant layer: Mixing superhard metal matrix, namely mixing high-speed steel powder and hard alloy powder in proportion, adding 1-2wt% of polyvinyl alcohol binder, and stirring for 25-35 minutes by a double-planetary mixer at 180-220 r/min; Preparing a nonmetal reinforcing phase, namely modifying silicon carbide particles by a silane coupling agent solution, mixing the modified silicon carbide particles with basalt fibers, and stirring the mixture for 15-20 minutes by a high-speed mixer at 300-400 r/min; vacuum mixing of the composite material, namely, stirring the composite material for 40-50 minutes in a vacuum stirring tank (the pressure is less than or equal to 10Pa and the temperature is 60-80 ℃) for 150-180r/min according to the weight ratio of the superhard metal matrix to the nonmetal reinforcing phase of 8-9:1-2; hot pressing and insert molding, namely paving the composite raw material on the surface (thickness is 0.8-1.2 mm) of the elastic buffer layer (61), hot pressing (800-1000 ℃ and 5-8MPa for 1-2 hours) under the protection of argon, cooling, polishing and trimming to 0.3-0.8mm, and vacuum annealing at 500-600 ℃ for 1-1.5 hours; S3, installing a thermal compensation anti-condensation assembly: The side wall of the track body (1) is grooved (the width is 10-15mm, the depth is 0.5-0.8 mm), a graphene heating film (71) is embedded, the heat conduction silica gel is fixed, and the outer side is covered with a ceramic heat insulation layer (73) and sealed; temperature and humidity sensors (72) are arranged at two ends of the track body (1), are connected with a temperature controller and a graphene heating film (71), and are used for adjusting temperature control precision; s4, assembling an impurity closed-loop collecting assembly and a cleaning assembly: A collecting groove (81) is welded at the bottom of the track body (1), and a scraping plate (82) and a linkage rod are arranged to ensure that the attaching gap is less than or equal to 0.1mm; A negative pressure adsorption port (83) is formed, a connecting conduit is connected with a negative pressure fan interface, and a detachable dust box (84) is installed; S5, overall assembly and system debugging: The web plate (2) is welded with the track body (1) (1500-1600 ℃ and 120-150A), and the welding seam strength is more than or equal to 350MPa; the controller is integrally arranged with the temperature controller, and is connected with each sensor and the executing element, so as to simulate vibration and debug under high-humidity working conditions, and verify the cooperative working stability of each component; finally, indexes such as friction coefficient, wear resistance, impurity collection efficiency and the like of the water drop state are detected, and the water drop state is delivered after reaching standards.
  8. 8. The preparation method of the epoxy adhesive, according to claim 7, is characterized in that in the step S1, the shearing strength of the epoxy adhesive is more than or equal to 15MPa, and in the step S2, the laying density of the composite raw material is 1.5-2.0g per square centimeter, so that the uniform laying is ensured.
  9. 9. The method of claim 7, wherein in step 5, the shock acceleration under the vibration condition is 1.5g, the humidity of the high-humidity environment is more than or equal to 90% RH, the condensate water inhibition rate after debugging is more than or equal to 88%, and the contact pressure uniformity error is less than or equal to 5%.

Description

Antiskid type single-rail crane car rail and processing method thereof Technical Field The invention belongs to the technical field of rails, and particularly relates to an anti-slip type single-rail crane vehicle rail and a processing method thereof. Background The monorail crane locomotive is used as core transportation equipment under heavy load and complex working conditions such as underground mine, tunnel engineering, heavy machinery plants and the like, and the performance of a track system directly determines the transportation efficiency, the operation safety and the operation and maintenance cost. At present, the track of the existing monorail crane is faced with multiple technical bottlenecks in practical application, and the problem of single multi-focus of the existing improvement scheme is difficult to adapt to complex working conditions of multi-factor superposition, and the following technical problems exist: Firstly, in a high-humidity environment such as underground mine, condensed water is easily formed on the surface of a rail due to temperature difference, meanwhile, the problem of water seepage frequently occurs, so that the friction coefficient between the rail wheel and the rail is obviously reduced, and slipping accidents are easily caused; Secondly, when the rail wheel runs, the contact pressure is uneven, the local stress concentration accelerates the rail abrasion, and the impact load generated by locomotive vibration further shortens the service life of the rail; Thirdly, impurities such as coal dust, rock debris and the like generated in the working condition are easy to accumulate on the surface and gaps of the track, so that not only is the friction transmission effect affected, but also the abrasion of the track and the track wheel is increased; Fourth, the existing track lacks systematic collaborative design, functions such as anti-condensation, buffering and cleaning are mutually independent, complex working conditions of multi-factor superposition are difficult to deal with simultaneously, the track suitability and reliability are insufficient, the maintenance frequency is high, and the cost is high. Disclosure of Invention The invention aims at solving the problems in the background art and provides an anti-slip type monorail crane rail and a processing method thereof, wherein the design of 'temperature and humidity double detection-graphene precise heating' is adopted, so that the temperature and humidity conditions for condensate water generation are broken through from the source, and compared with a traditional passive cleaning mode, the condensate water generation amount is reduced. In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides an antiskid formula monorail crane car track, includes the track body, the inner wall fixedly connected with web of track body, the surface of web is provided with antiskid wearing layer, the inside of antiskid wearing layer is equipped with the rail wheel, the both sides of track body are equipped with the clearance subassembly for play the clearance effect in the use to the track body; An adaptive buffer component is arranged between the web plate and the anti-skid wear-resistant layer, a contact area matched with the rail wheel is arranged in the anti-skid wear-resistant layer, a thermal compensation anti-condensation component is arranged on the outer side of the rail body, an impurity closed-loop collecting component is arranged at the bottom of the rail body, and the adaptive buffer component, the thermal compensation anti-condensation component, the impurity closed-loop collecting component and the cleaning component form a cooperative working system; The anti-skid wear-resistant layer consists of a superhard metal matrix and a non-metal reinforcing phase dispersed in the superhard metal matrix, wherein the superhard metal matrix is a composite matrix of high-speed steel and hard alloy, and the non-metal reinforcing phase is a mixed reinforcing phase of modified silicon carbide particles and basalt fibers; The self-adaptive buffering assembly comprises an elastic buffering layer, a miniature pressure sensor and an electromagnetic adjusting support column, wherein the elastic buffering layer is made of a composite elastic material of hydrogenated nitrile rubber and carbon fibers, the miniature pressure sensor is uniformly distributed in the elastic buffering layer, the electromagnetic adjusting support column comprises a fixed sleeve, a movable ejector rod and an electromagnetic coil, the top end of the movable ejector rod is attached to the elastic buffering layer, the bottom end of the movable ejector rod is connected with the fixed sleeve through a spring, the electromagnetic coil is wound on the outer side of the fixed sleeve, and the miniature pressure sensor is electrically connected with the electromagnetic adjusting support column through a controll