CN201876366U - Static load test table for bogie of railway vehicle - Google Patents
Static load test table for bogie of railway vehicle Download PDFInfo
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- CN201876366U CN201876366U CN2010205436391U CN201020543639U CN201876366U CN 201876366 U CN201876366 U CN 201876366U CN 2010205436391 U CN2010205436391 U CN 2010205436391U CN 201020543639 U CN201020543639 U CN 201020543639U CN 201876366 U CN201876366 U CN 201876366U
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Abstract
The utility model provides a static load test table for a bogie of a railway vehicle. The static load test table is a comprehensive bogie testing device which integrates the wheel weighing with the three-dimensional rectangular coordinate size measuring. The device consists of a base, a stand column, a loading oil cylinder, a weighing and measuring table, a lifting guide rail, a bottom measuring rail, a matched hydraulic system and a control system. When the device works, the measuring table is automatically centered with the wheel due to the mutual action between the wheel and a wheel support, and each sensor reads data and compares the data with each set standard to automatically, exactly and efficiently measure the data such as the wheel base of the bogie of the railway vehicle, the parallelism degree of an axle, the size of the diagonal line of the axle, the inner side distance (wheel span) of the wheel, the heights of the four corners of a frame, the heights of the other points of an upper side and a lower side, the weight of the wheel, the loading vertical deformation quantity of a primary spring and the like, and automatically compute the depth of an adjusting washer of the primary spring. In order to improve the quality of the bogie of the railway vehicle and guarantee the safety of the high-speed rail transit, the utility model provides the advanced test device.
Description
Affiliated technical field
The utility model relates to a kind of vehicle test checkout equipment, especially a kind of test and checkout equipment that is used for rail vehicle truck.
Background technology
Bogie is the critical component of various rail vehicles, is directly connected to the normal operation and the safety guarantee of vehicle.Generally needing measurement axis distance, the axletree depth of parallelism, axletree Diagonal Dimension, the inboard distance of wheel (wheelspan), four jiaos of height of framework, other some height of top and bottom, wheel load, after the bogie assembling is that spring loads data such as vertical deflection, whether meet the requirements with definite bogie quality, and determine that further one is the thickness that spring is adjusted pad.These work at present are the employing manual modes or carry out that measuring accuracy and efficient are all very low mostly on simple and crude testing table.Along with the fast development of Chinese track traffic high speed, more and more higher to the quality requirements of bogie, press for a kind of test equipment that can make above-mentioned operation automation, precision, high efficiency.
Summary of the invention
The purpose of this utility model provides a kind of rail vehicle truck static test bed of brand new, realize measuring automatically, accurately, efficiently rail vehicle truck wheelbase, the axletree depth of parallelism, axletree Diagonal Dimension, wheel is inboard is that spring loads data such as vertical deflection apart from (wheelspan), four jiaos of height of framework, other some height of top and bottom, wheel load,, and to calculate one automatically be the thickness of spring adjustment pad.
For achieving this end, technical solution adopted in the utility model is as follows:
This rail vehicle truck static test bed measures rail by support, column, crossbeam, load cylinder, weighing measurement platform, lifting guide rail, bottom and supporting hydraulic system, control system formed.Each fixes two columns to it is characterized in that the support both sides, and crossbeam is fixedlyed connected with two heel posts upper end; Two have the load cylinder assembly that loads pressure head and are connected on the crossbeam by the load cylinder drum flange on it; Every side longitudinally is equipped with two linear rolling tracks on the support; Two or three weighing measurement platforms are installed on the slide block of every side linear rolling track, are applicable to that respectively bogie and six takes turns bogie test; Fixing the laser leveler reference seat on the support; Two lifting guide rail are positioned at the inboard of both sides weighing measurement platform, place along the testing table vertical equity; Two root bottom parts are measured rail and are separately fixed on the support; The bottom of each weighing measurement platform is a weighing measurement platform base plate, and weighing measurement platform base plate is connected with the slide block of linear rolling track; The piston rod that vertically drives oil cylinder is connected with weighing measurement platform base plate, and the cylinder barrel and the support that vertically drive oil cylinder are fixed, and vertically drive the length travel sensor is housed in the oil cylinder; LOAD CELLS is installed in above the weighing measurement platform base plate, and the support roller axle box is installed in above the LOAD CELLS; Stay-supported electronic length meter is equipped with in the support roller axle box outside; Laser range finder is equipped with in support roller axle box inboard; The cylindrical support roller that two axis are parallel to each other is supported on the support roller axle box.
The axis of two support rollers on each support roller axle box is in a surface level, and direction is horizontal; All in same surface level, this surface level is a testing table measuring basis face to the axis of the support roller on each weighing measurement platform.
Distance between the support roller opposing end surface of both sides equals the right gauge of tested steering framing wheel.
The axis of load cylinder tube is a vertical, the load cylinder piston rod stretches out downwards, the vertical deviation sensor is housed in the load cylinder tube, the load cylinder piston rod head is equipped with the loading force sensor, the loading force sensor front end is to load pressure head, and two axis that load pressure head are in a horizontal vertical plane.
Two lifting guide rail are parallel to each other, and the distance between two lifting guide rail equals the right wheel rim distance of tested steering framing wheel; There is an elevating ram at the lifting guide rail two ends of every side, and the piston rod of elevating ram is connected with the lifting guide rail, and the cylinder barrel and the support of elevating ram are fixed.
Two root bottom parts are measured the inboard that rail lays respectively at both sides lifting guide rail, and direction is parallel with the lifting guide rail; Two root bottom parts are measured and are being placed measurement longitudinal slide in bottom on the rail slidably, are placing the bottom slidably on the bottom measurement longitudinal slide and are measuring cross slide.
The horizontal fore-and-aft distance that loads two support roller axial connecting line mid points of a weighing measurement platform of pressure head central axis distance equals the corresponding design size of tested bogie, is the reference value of setting; Two support roller axial connecting line mid points lengthwise position of projection on surface level of each weighing measurement platform equals the corresponding design size of tested bogie, is the reference value of setting.
Loading the pressure head lower surface and measure the vertical distance of cross slide upper surface apart from each support roller axis surface level apart from vertical distance, the laser leveler reference seat upper surface of each support roller axis surface level apart from vertical distance, the bottom of each support roller axis surface level, is respectively setting reference value separately.
The laser beam of laser range finder is a horizontal cross, directive support roller direction; The lateral separation of two laser range finder basic points that both sides are relative is reference values of setting.
When this rail vehicle truck static test bed is worked, at first tested bogie is placed on the lifting guide rail, elevating ram drives the lifting guide rail and descends, and each wheel on the tested bogie is fallen in the middle of two support rollers of each weighing measurement platform; The movable end of stay-supported electronic length meter is fixed on framework place, tested bogie primary spring top; The load cylinder piston rod is descending, loads pressure head and is pressed on the longitudinal centre line of tested bogie; Each wheel on the tested bogie is transmitted to support roller with pressure at this moment, and is delivered to weighing measurement platform base plate through support roller axle box, LOAD CELLS.Because wheel is oblique the contact with support roller, can produce horizontal component longitudinally, this component makes the weighing measurement platform move along linear rolling track, fit until the wheel excircle week of two support rollers on each weighing measurement platform on all with it, reach wheel and the automatic centering of weighing measurement platform, the mid point that promptly reaches two support roller axial connecting lines was positioned at the vertical plane of wheel axis.Weighing measurement platform base plate will drive the piston rod that vertically drives oil cylinder and move when linear rolling track moves, vertically drive in-oil cylinder length travel sensor and just read displacement, thereby through comparing the along slope coordinate of determining the wheel center physical location with reference value.Meanwhile the laser beam irradiation of laser range finder is measured the distance of laser range finder basic point to the wheel inboard to the inboard of wheel, thereby and relatively determines the lateral coordinates of wheel center physical location with the reference value of setting.Vertical, the lateral coordinates value of each wheel center physical location are input to computing machine, just calculate wheelbase, the axletree depth of parallelism, axletree Diagonal Dimension, the wheel, inboard of tested bogie automatically apart from (wheelspan).The scale of laser leveler is placed on the laser leveler reference seat on the testing table support calibrates, scale with laser leveler is placed on four jiaos of tested bogie frames or other points of top again, measure the each point height, through relatively calculating the height of other points of four jiaos of tested bogie frames or top apart from the measuring basis face with reference value.Place the bottom to measure on the cross slide height gauge, measure rail along the bottom and move bottom measurement longitudinal slide, and on bottom measurement longitudinal slide, move the bottom and measure cross slide, make height gauge arrive each tested point of tested bogie bottom, measure this with height gauge and put distance above cross slide is measured in the bottom, through relatively calculating the height of tested bogie bottom each point apart from the measuring basis face with reference value.After tested bogie placed on the weighing measurement platform, the LOAD CELLS on each weighing measurement platform was promptly measured the unloaded wheel load of tested each wheel of bogie, and simultaneously to read each one be the elemental height at framework place, spring top to each stay-supported electronic length meter.Load pressure head when depressing tested bogie, the loading force sensor is read the numerical value of loading force, vertical deviation sensor in the load cylinder tube is read the displacement of loading, rigidly connect the reading and reference value comparison of vertical deviation sensor when touching tested bogie with loading pressure head, can calculate the height of tested bogie longitudinal center line-spacing reference field.Load each LOAD CELLS of back and measure the loading wheel load of tested each wheel of bogie, it one is height after framework place, spring top loads that each stay-supported electronic length meter is read each, and it is that spring loads vertical deflection that the difference of this height and elemental height is respectively one.With unloaded wheel load, the loading wheel load, of each wheel is the numerical value input computing machine that spring loads vertical deflection, and can calculate one automatically is the thickness that spring is adjusted pad, has so far finished testing table Total Test surveying work.Tested bogie is shifted out testing table, and the load cylinder piston rod is withdrawn into original position, vertically drives oil cylinder and drives each weighing measurement platform and get back to the reference position and can test next time.
The beneficial effects of the utility model be testing table be in essence with wheel weigh and the three-dimensional rectangular coordinate dimensional measurement integrate, after mainly making test desk and wheel automatic centering by wheel and support roller interaction, each sensor readings, compare with each benchmark of setting, realize automatically, accurately, measure the rail vehicle truck wheelbase efficiently, the axletree depth of parallelism, the axletree Diagonal Dimension, wheel is inboard apart from (wheelspan), four jiaos of height of framework, other some height of top and bottom, wheel load, one is that spring loads data such as vertical deflection, and to calculate one automatically be the thickness that spring is adjusted pad.For improving the rail vehicle truck quality, ensure that high-speed rail transportation safety provides advanced testing apparatus.
Description of drawings
Below in conjunction with accompanying drawing structure of the present utility model is elaborated:
Accompanying drawing 1 is a rail vehicle bogie static test bed complete machine axle side sketch.
Accompanying drawing 2 is rail vehicle bogie static test bed duty axle side sketches.
Accompanying drawing 3 is rail vehicle truck static test bed weighing measurement platform axle side sketches.
Accompanying drawing 4 is rail vehicle truck static test bed load cylinder assembly axle side sketches.
Accompanying drawing 5 is tested bogie wheel and support roller contact condition synoptic diagram.
Accompanying drawing 6 is that rail vehicle six is taken turns bogie static test bed complete machine axle side sketch.
In the accompanying drawings, the 1st, support, the 2nd, column (each 2 of every sides), the 3rd, crossbeam, the 4th, load cylinder assembly (each 1 of every side), the 5th, weighing measurement platform (each 2 of the every sides of two shaft experiment platforms, each 3 of the every sides of triaxial test platform), the 6th, linear rolling track (each 2 of every sides), the 7th, laser leveler reference seat, the 8th, lifting guide rail (each 1 of every side), the 9th, elevating ram (each 2 of every sides), the 10th, rail (each 1 of every side) is measured in the bottom, and the 11st, cross slide is measured in the bottom, and the 12nd, longitudinal slide is measured in the bottom, the 13rd, tested bogie, the 14th, weighing measurement platform base plate, the 15th, stay-supported electronic length meter, the 16th, support roller axle box, the 17th, support roller (2 of each weighing measurement platforms), the 18th, laser range finder, the 19th, LOAD CELLS, the 20th, vertically drive oil cylinder, the 21st, the length travel sensor, the 22nd, vertical deviation sensor, the 23rd, load cylinder tube, the 24th, load cylinder drum flange, the 25th, the load cylinder piston rod, the 26th, the loading force sensor, the 27th, load pressure head, the 28th, tested bogie wheel.
Embodiment
The concrete structure of this rail vehicle truck static test bed is as shown in drawings: each fixes two columns 2 testing table support 1 both sides, crossbeam 3 is fixedlyed connected with two heel posts, 2 upper ends, and two have the load cylinder assembly 4 that loads pressure head 27 and are connected on the crossbeam 3 by the load cylinder drum flange 24 on it; Every side longitudinally is equipped with two linear rolling tracks 6 on the support 1, and two or three weighing measurement platforms 5 are installed on the slide of every side linear rolling track 6, is applicable to that respectively bogie and six takes turns bogie test; Fixing laser leveler reference seat 7 on the support 1; Two lifting guide rail 8 are positioned at the inboard of both sides weighing measurement platform 5, place along the testing table vertical equity; Two root bottom parts are measured rail 10 and are separately fixed on the support 1; The bottom of each weighing measurement platform 5 is weighing measurement platform base plates 14, and weighing measurement platform base plate 14 is connected with the slide block of linear rolling track 6; The piston rod that vertically drives oil cylinder 20 is connected with weighing measurement platform base plate 14, and the cylinder barrel and the support 1 that vertically drive oil cylinder 20 are fixing, vertically drive length travel sensor 21 is housed in the oil cylinder 20; LOAD CELLS 19 is installed in above the weighing measurement platform base plate 14, and support roller axle box 16 is installed in above the LOAD CELLS 19; Stay-supported electronic length meter 15 is equipped with in support roller axle box 16 outsides, and laser range finder 18 is equipped with in support roller axle box 16 inboards; The cylindrical support roller 17 that two axis are parallel to each other is supported on the support roller axle box 16.
The axis of two support rollers 17 on each support roller axle box 16 is in a surface level, and direction is horizontal.All in same surface level, this surface level is a testing table measuring basis face to the axis of the support roller 17 on each weighing measurement platform 5.
Distance between both sides support roller 17 opposing end surfaces equals tested bogie 13 and takes turns right gauge.
Two lifting guide rail 8 are parallel to each other, and the distance between two lifting guide rail 8 equals tested bogie 13 and takes turns right wheel rim distance; There is an elevating ram 9 at lifting guide rail 8 two ends of every side, and the piston rod of elevating ram 9 is connected with lifting guide rail 8, and the cylinder barrel of elevating ram 8 and support 1 are fixing.
Two root bottom parts are measured the inboard that rail 10 is positioned at both sides lifting guide rail 8, and direction is parallel with lifting guide rail 8; Two root bottom parts are measured and are being placed measurement longitudinal slide 12 in bottom on the rail 10 slidably, are placing the bottom slidably on the bottom measurement longitudinal slide 12 and are measuring cross slide 11.
Loading pressure head 27 central axis equal tested bogie 13 corresponding design sizes apart from the horizontal fore-and-aft distance of the mid point of two support roller 17 axial connecting lines of a weighing measurement platform 5, are the reference values of setting; Mid point lengthwise position of projection on surface level of two support roller 17 axial connecting lines of each weighing measurement platform 5 equals tested bogie 13 corresponding design sizes, is the reference value of setting.
Load the vertical distance of pressure head 27 lower surfaces apart from the vertical distance of each support roller 17 axis horizontal face, laser leveler reference seat 7 upper surfaces apart from each support roller 17 axis horizontal face, the vertical distance of cross slide 11 upper surfaces apart from each support roller 17 axis horizontal face measured in the bottom, is respectively setting reference value separately.
The laser beam of laser range finder 18 is a horizontal cross, directive support roller direction; The lateral separation of two laser range finder 18 basic points that both sides are relative is reference values of setting.
When this rail vehicle truck static test bed is worked, at first tested bogie 13 is placed on the lifting guide rail 8, elevating ram 9 drives lifting guide rail 8 and descends, and each wheel 28 on the tested bogie 13 is fallen in the middle of two support rollers 17 of each weighing measurement platform 5; It is framework place, spring top that the movable end of stay-supported electronic length meter 15 is fixed on tested bogie 13 1; Load cylinder piston rod 25 is descending, loads pressure head 27 and is pressed on the longitudinal centre line of tested bogie 13; Each wheel 28 on the tested bogie 13 is transmitted to support roller 17 with pressure at this moment, and is delivered to weighing measurement platform base plate 14 through support roller axle box 16, LOAD CELLS 19.Because wheel 28 is oblique contacts with support roller 17, can produce horizontal component longitudinally, this component makes weighing measurement platform 5 move along linear rolling track 6, fit until wheel 28 excircles of two support rollers 17 on each weighing measurement platform 5 on all with it, reach wheel 28 and 5 automatic centerings of weighing measurement platform, the mid point that promptly reaches two support rollers, 17 axial connecting lines was positioned at the vertical plane of wheel 28 axis.Weighing measurement platform base plate 14 will drive the piston rod that vertically drives oil cylinder 20 and move when linear rolling track 6 moves, vertically the length travel sensors 21 that drive in the oil cylinder 20 are just read displacement, thereby and relatively determine the along slope coordinate of wheel 28 center physical locations with reference value.Meanwhile the laser beam irradiation of laser range finder 18 is measured the distance of laser range finder 18 basic points to wheel 28 inboards to the inboard of wheel 28, thereby through comparing the lateral coordinates of determining wheel 28 center physical locations with the reference value of setting.Vertical, the lateral coordinates value of each wheel 28 center physical locations are input to computing machine, and the wheelbase, the axletree depth of parallelism, axletree Diagonal Dimension, the wheel that just calculate tested bogie 13 automatically are inboard apart from (wheelspan).The scale of laser leveler is placed on calibration on the laser leveler reference seat 7 on the testing table support 1, scale with laser leveler is placed on four jiaos of tested bogie 13 frameworks or other points of top again, measure the each point height, through relatively calculating the height of other points of four jiaos of tested bogie 13 frameworks or top apart from the measuring basis face with reference value.Place the bottom to measure on the cross slide 11 height gauge, measure rail 10 along the bottom and move bottom measurement longitudinal slide 12, and on bottom measurement longitudinal slide 12, move the bottom and measure cross slide 11, make height gauge arrive each tested point of tested bogie 13 bottoms, measure this with height gauge and put the bottom and measure distance above the cross slide 11, through relatively calculating the height of tested bogie 13 bottom each points apart from the measuring basis face with reference value.After tested bogie 13 places on the weighing measurement platform 5, LOAD CELLS 19 on each weighing measurement platform 5 is promptly measured the unloaded wheel load of tested bogie 13 each wheel 28, and simultaneously to read each one be the elemental height at framework place, spring top to each stay-supported electronic length meter 15.Load pressure head 27 when depressing tested bogie 13, loading force sensor 26 is read the numerical value of loading force, vertical deviation sensor 22 in the load cylinder tube 23 is read the displacement of loading, rigidly connect the reading and reference value comparison of vertical deviation sensor 22 when touching tested bogie 13 with loading pressure head 27, can calculate the height of tested bogie 13 longitudinal center's line-spacing reference fields.Load each LOAD CELLS 19 of back and measure the loading wheel load of tested bogie 13 each wheel 28, it one is height after framework place, spring top loads that each stay-supported electronic length meter 15 is read each, and it is that spring loads vertical deflection that the difference of this height and elemental height is respectively one.With unloaded wheel load, the loading wheel load, of each wheel 28 is the numerical value input computing machine that spring loads vertical deflection, and can calculate one automatically is the thickness that spring is adjusted pad, has so far finished testing table Total Test surveying work.Tested bogie 13 is shifted out testing table, and load cylinder piston rod 25 is withdrawn into original position, vertically drives oil cylinder 20 and drives each weighing measurement platform 5 and get back to the reference position and can test next time.
Claims (9)
1. a rail vehicle truck static test bed is made up of support, column, crossbeam, load cylinder, weighing measurement platform, lifting guide rail, bottom measurement rail and supporting hydraulic system, control system, it is characterized in that: each fixes two columns the support both sides, and crossbeam is fixedlyed connected with two heel posts upper end; Two have the load cylinder assembly that loads pressure head and are connected on the crossbeam by the load cylinder drum flange on it; Every side longitudinally is equipped with two linear rolling tracks on the support; Two or three weighing measurement platforms are installed on the slide block of every side linear rolling track, are applicable to that respectively bogie and six takes turns bogie test; Fixing the laser leveler reference seat on the support; Two lifting guide rail are positioned at the inboard of both sides weighing measurement platform, place along the testing table vertical equity; Two root bottom parts are measured rail and are separately fixed on the support; The bottom of each weighing measurement platform is a weighing measurement platform base plate, and weighing measurement platform base plate is connected with the slide block of linear rolling track; The piston rod that vertically drives oil cylinder is connected with weighing measurement platform base plate, and the cylinder barrel and the support that vertically drive oil cylinder are fixed, and vertically drive the length travel sensor is housed in the oil cylinder; LOAD CELLS is installed in above the weighing measurement platform base plate, and the support roller axle box is installed in above the LOAD CELLS; Stay-supported electronic length meter is equipped with in the support roller axle box outside; Laser range finder is equipped with in support roller axle box inboard; The cylindrical support roller that two axis are parallel to each other is supported on the support roller axle box.
2. rail vehicle truck static test bed according to claim 1 is characterized in that: the axis of two support rollers on each support roller axle box is in a surface level, and direction is horizontal; All in same surface level, this surface level is a testing table measuring basis face to the axis of the support roller on each weighing measurement platform.
3. rail vehicle truck static test bed according to claim 1 is characterized in that: the distance between the support roller opposing end surface of both sides equals the right gauge of tested steering framing wheel.
4. rail vehicle truck static test bed according to claim 1, it is characterized in that: the axis of load cylinder tube is a vertical, the load cylinder piston rod stretches out downwards, the vertical deviation sensor is housed in the load cylinder tube, the load cylinder piston rod head is equipped with the loading force sensor, the loading force sensor front end is to load pressure head, and two axis that load pressure head are in a horizontal vertical plane.
5. rail vehicle truck static test bed according to claim 1 is characterized in that: two lifting guide rail are parallel to each other, and the distance between two lifting guide rail equals the right wheel rim distance of tested steering framing wheel; There is an elevating ram at the lifting guide rail two ends of every side, and the piston rod of elevating ram is connected with the lifting guide rail, and the cylinder barrel and the support of elevating ram are fixed.
6. rail vehicle truck static test bed according to claim 1 is characterized in that: two root bottom parts are measured the inboard that rail lays respectively at both sides lifting guide rail, and direction is parallel with the lifting guide rail; Two root bottom parts are measured and are being placed measurement longitudinal slide in bottom on the rail slidably, are placing the bottom slidably on the bottom measurement longitudinal slide and are measuring cross slide.
7. rail vehicle truck static test bed according to claim 1, it is characterized in that: the horizontal fore-and-aft distance that loads two support roller axial connecting line mid points of a weighing measurement platform of pressure head central axis distance equals the corresponding design size of tested bogie, is the reference value of setting; Two support roller axial connecting line mid points lengthwise position of projection on surface level of each weighing measurement platform equals the corresponding design size of tested bogie, is the reference value of setting.
8. rail vehicle truck static test bed according to claim 1, it is characterized in that: loading the pressure head lower surface and measure the vertical distance of cross slide upper surface apart from each support roller axis surface level apart from vertical distance, the laser leveler reference seat upper surface of each support roller axis surface level apart from vertical distance, the bottom of each support roller axis surface level, is respectively setting reference value separately.
9. rail vehicle truck static test bed according to claim 1 is characterized in that: the laser beam of laser range finder is a horizontal cross, directive support roller direction; The lateral separation of two laser range finder basic points that both sides are relative is reference values of setting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205436391U CN201876366U (en) | 2010-09-27 | 2010-09-27 | Static load test table for bogie of railway vehicle |
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| CN2010205436391U CN201876366U (en) | 2010-09-27 | 2010-09-27 | Static load test table for bogie of railway vehicle |
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