CN116296485A - Rail transit power wheel set detection test device - Google Patents
Rail transit power wheel set detection test device Download PDFInfo
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- CN116296485A CN116296485A CN202310571959.XA CN202310571959A CN116296485A CN 116296485 A CN116296485 A CN 116296485A CN 202310571959 A CN202310571959 A CN 202310571959A CN 116296485 A CN116296485 A CN 116296485A
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- 238000001514 detection method Methods 0.000 title claims abstract description 115
- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 238000005096 rolling process Methods 0.000 claims abstract description 39
- 230000003068 static effect Effects 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 10
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
- G01M17/10—Suspensions, axles or wheels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/12—Static balancing; Determining position of centre of gravity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining imbalance
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- Aviation & Aerospace Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the technical field of testing, in particular to a rail transit power wheel set detection test device which comprises a bottom plate, wherein a balance detection component is arranged on the upper side of the bottom plate and comprises a static balance detection component and a dynamic balance detection component, the static balance detection component is used for detecting the balance state of a wheel set when the wheel set does not roll, the dynamic balance detection component is used for detecting the balance state of the wheel set when the wheel set rolls, the dynamic balance detection component comprises a rolling driving component and a rolling detection component, one side of the balance detection component is provided with a feeding component, and the other side of the balance detection component is provided with a discharging component. According to the invention, the bottom plate, the supporting shaft, the supporting seat, the rotating plate, the detection track, the electronic pressure sensor, the baffle frame, the hydraulic cylinder and the connecting seat are arranged, so that the automatic feeding device has the functions of double detection, one-machine double-purpose, high-efficiency detection, continuous detection, automatic material stirring, convenience in feeding, discharging, decelerating and buffering and convenience in discharging.
Description
Technical Field
The invention relates to the technical field of testing, in particular to a track traffic power wheel set detection test device.
Background
The test is a measurement with experimental properties, i.e. a combination of measurement and experiment. The testing means is the instrument. Since the test and measurement are closely related, the test and measurement are often not strictly distinguished in actual use. The basic task of the test is to obtain useful information, and by means of special instruments and equipment, reasonable experimental methods are designed and necessary signal analysis and data processing are performed, so that information related to the tested object is obtained.
In the mechanical system, balance refers to a state that an object is subjected to several forces in an inertial reference system and still keeps a static state, or uniformly moves in a straight line, or uniformly rotates around an axis, and is called as a state that the object is in balance, namely the balance of the object.
The wheel pair is the part of the rolling stock contacted with the steel rail and is formed by firmly pressing the left wheel and the right wheel on the same axle. The wheel pair has the functions of ensuring the running and steering of the rolling stock on the steel rail, bearing all static and dynamic loads from the rolling stock, transmitting the static and dynamic loads to the steel rail, transmitting the loads generated by unsmooth lines to all parts of the rolling stock, and carrying out balance test on the wheel pair in the production and manufacturing process.
When the existing wheel set is subjected to balance test, static balance test equipment is needed to be used firstly, the wheel set is subjected to static balance test, then the wheel set is transferred to dynamic balance test equipment, dynamic balance test is carried out on the wheel set, the balance test mode needs to use two test equipment, the test cost is high, when the wheel set is tested, the wheel set needs to be transferred from one test equipment to the other test equipment, the test efficiency is low, and the use is inconvenient.
Disclosure of Invention
The invention provides a rail transit power wheel set detection test device, which aims to solve the defects that when the existing wheel set is subjected to balance test, static balance test equipment is needed to be used for carrying out static balance detection on the wheel set, then the wheel set is transferred to dynamic balance test equipment to carry out dynamic balance detection on the wheel set, the balance test mode needs to use two test equipment, the test cost is high, and when the wheel set is tested, the wheel set needs to be transferred from one test equipment to the other test equipment, the detection efficiency is low and the use is inconvenient.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a track traffic power wheel pair detects test device, includes the bottom plate, the upside of bottom plate is equipped with balanced detection component, balanced detection component includes quiet balanced detection component, dynamic balance detection component, quiet balanced detection component is used for detecting the wheel pair and is not taking place the balanced state when rolling, dynamic balance detection component is used for detecting the wheel pair and is taking place the balanced state when rolling, dynamic balance detection component includes rolling drive subassembly, rolling detection component, balanced detection component one side is equipped with feeding subassembly, balanced detection component opposite side is equipped with ejection of compact subassembly, rolling drive subassembly is used for the drive wheel to take place automatic roll to ejection of compact subassembly's direction, rolling detection component is used for detecting the wheel pair and is taking place the balanced state during to ejection of compact subassembly's direction roll.
Preferably, the static balance detection assembly comprises a supporting shaft, two supporting seats are fixed on the periphery of the supporting shaft, the supporting seats are all fixed on the upper side of the bottom plate, two rotating plates are rotatably arranged on the periphery of the supporting shaft, detection tracks are fixed on the upper sides of the rotating plates, electronic pressure sensors are arranged on the lower sides of the rotating plates in a contact mode, and the electronic pressure sensors are fixed on the upper sides of the bottom plate, and a baffle frame is fixed on the upper sides of the bottom plate.
Preferably, the rolling driving assembly comprises a hydraulic cylinder, the hydraulic cylinder is required to be externally connected with an electromagnetic valve through an oil pipe, a connecting seat is fixed on the periphery of the hydraulic cylinder, the connecting seat is fixed on the upper side of a bottom plate, a movable seat is fixed on the shaft end of the hydraulic cylinder, antifriction grooves are formed in the upper side and the lower side of the movable seat, a plurality of antifriction wheels are rotatably arranged on the inner side of each antifriction groove, part of the antifriction wheels can be in contact with the upper side of the bottom plate, and a lifting frame is fixed on the lower side of the rotating plate.
Preferably, the rolling detection assembly comprises two C-shaped hollow frames, two supporting frames are fixed on the upper side of the bottom plate, the C-shaped hollow frames are all fixed on the supporting frames, vertical rods are arranged on the inner sides of the C-shaped hollow frames, synchronous rods are fixed between the vertical rods, limiting wheels are rotatably arranged on two sides, far away from the vertical rods, of the vertical rods, the limiting wheels can be contacted with the inner sides of the C-shaped hollow frames, four vertical retaining wheels are rotatably arranged on two sides, far away from the vertical rods, of the vertical retaining wheels, the vertical retaining wheels can be contacted with the C-shaped hollow frames, fixing plates are fixed on one sides of the vertical rods, through holes are formed in the inner sides of the through holes in a sliding mode, limiting rings are fixed on the periphery of the sliding rods, connecting frames are fixedly provided with A springs, distance measuring sensors are rotatably arranged on the connecting frames, one sides of the C-shaped hollow frames are respectively provided with a driving frame, the C-shaped hollow frames are rotatably connected with a contact wheel, and the contact frame can be automatically contacted with the bottom of the C-shaped hollow frames, and the contact frame can be automatically contacted with the C-shaped hollow frames.
Preferably, the automatic reset component comprises a reset box, the reset box is fixed at one end of the C-shaped hollow frame, a reset shaft is rotatably arranged at the inner side of the reset box, a wire accommodating hole is formed in one side of the reset box, a long steel wire is arranged at the inner side of the wire accommodating hole, one end of the long steel wire is fixed on a vertical rod, a take-up reel is fixed on the periphery of the reset shaft, the other end of the long steel wire is fixed on the periphery of the take-up reel, two reset springs are fixed on the periphery of the reset shaft, a connecting strip is fixed at the inner side of the reset box, and the other end of the reset spring is fixed on the connecting strip.
Preferably, the feeding assembly comprises a first U-shaped frame, the first U-shaped frame is fixed on the upper side of the bottom plate, two feeding tracks are fixed on the upper side of the first U-shaped frame, positioning grooves are formed in the upper sides of the feeding tracks, two connecting holes are formed in the upper side of the first U-shaped frame, a stirring rod is rotatably arranged on the inner side of each connecting hole, a fixing frame is arranged on one side of each stirring rod in a contact mode, the fixing frames are fixed on the upper side of the first U-shaped frame, an A tension spring is fixed between each fixing frame and each stirring rod, and the movable seat can be in contact with each stirring rod.
Preferably, the discharging component comprises a second U-shaped frame, the second U-shaped frame is fixed on the upper side of the bottom plate, two inclined grooves are formed in the upper side of the second U-shaped frame, discharging rails are fixed on the inner sides of the inclined grooves, through holes are formed in the upper side of the second U-shaped frame, lifting rods are arranged on the inner sides of the through holes in a sliding mode, a driven bevel frame is fixed on the lower side of the lifting rods, a driving bevel frame is arranged on one side of the driven bevel frame in a contacting mode, a transmission frame is fixed between the driving bevel frame and a movable seat, a guide frame is fixed on the upper side of the bottom plate, the transmission frame is arranged on the inner side of the guide frame in a sliding mode, a pull-down piece is fixed on one side of the lifting rods, a T-shaped column is arranged on one side of the lifting rods, a buffer plate is fixed on one end of the T-shaped column, a B spring is fixed between the buffer plate and the lifting rods, a guide frame is fixed on the upper side of the bottom plate, a buffer is fixed on the lower side of the buffer plate, and a damper is fixed on the upper side of the buffer.
Preferably, a rubber sheet is fixed on one side of the buffer plate far away from the T-shaped column.
The invention provides a track traffic power wheel set detection test device, which has the beneficial effects that:
(1) By arranging the bottom plate, the balance detection assembly, the static balance detection assembly, the dynamic balance detection assembly, the rolling driving assembly and the rolling detection assembly, the invention has double detection and one machine dual-purpose functions, can perform static balance test and dynamic balance test on the wheel set, can complete the static balance test and the dynamic balance test by only one piece of equipment, and can reduce the test cost.
(2) By arranging the bottom plate, the balance detection assembly, the feeding assembly and the discharging assembly, the invention has the functions of high-efficiency detection and continuous detection, and can directly perform dynamic balance test after static balance test is completed without transferring the wheel set, thereby having higher detection efficiency and being convenient to use.
(3) By arranging the bottom plate, the dynamic balance detection assembly, the rolling driving assembly and the feeding assembly, the automatic shifting mechanism has the functions of automatic shifting and convenient feeding, and after detection is completed, the automatic shifting can be realized in the resetting process of the movable seat, so that the next wheel set to be detected can be shifted to the static balance detection position, and the automatic shifting mechanism is convenient to use.
(4) Through setting up bottom plate, dynamic balance detection subassembly, rolling drive subassembly, ejection of compact subassembly, make this invention have ejection of compact slowing down buffering, be convenient for ejection of compact, automatic shrink function, when ejection of compact, can block the wheel pair, make the wheel pair stop, and at the in-process that removes the seat and reset, the lifter can shrink automatically, then the wheel pair can slowly leave ejection of compact track, convenient to use.
Drawings
FIG. 1 is a schematic diagram of a front perspective structure of a track traffic power wheel set detection test device according to the present invention;
fig. 2 is a schematic diagram of a front cut-away perspective structure of a rail transit power wheel set detection test device according to the present invention;
FIG. 3 is a schematic view of the enlarged partial structure of the area A in FIG. 2 according to the present invention;
FIG. 4 is a schematic diagram of a front cut-away axial measurement structure of a rail transit power wheel set detection test device according to the present invention;
FIG. 5 is a schematic diagram of a front cut-away structure of a rail transit power wheel set detection test device according to the present invention;
FIG. 6 is a schematic view of a partial enlarged structure of the area B in FIG. 5 according to the present invention;
FIG. 7 is a schematic side sectional perspective view of a rail transit power wheel set detection test device according to the present invention;
FIG. 8 is a schematic view of the enlarged partial structure of the region C in FIG. 7 according to the present invention;
FIG. 9 is a schematic diagram of a side sectional axial testing structure of a rail transit power wheel set detection test device according to the present invention;
FIG. 10 is a schematic view of a partial enlarged structure of the region D in FIG. 9 according to the present invention;
FIG. 11 is a schematic view of a partial perspective view of the bottom surface of a rail transit power wheel set detection test device according to the present invention;
FIG. 12 is a schematic diagram of a front axle testing structure of a rail transit power wheel set detection test device according to the present invention;
fig. 13 is a schematic diagram of a bottom surface local axis measurement structure of a track traffic power wheel set detection test device according to the present invention.
In the figure: 1. a bottom plate; 2. a support shaft; 3. a support base; 4. a rotating plate; 5. detecting a track; 6. an electronic pressure sensor; 7. a baffle frame; 8. a hydraulic cylinder; 9. a connecting seat; 10. a movable seat; 11. antifriction wheels; 12. lifting the frame; 13. a C-shaped hollow frame; 14. a support frame; 15. a vertical rod; 16. a limiting wheel; 17. a vertical holding wheel; 18. a fixing plate; 19. a slide bar; 20. a limiting ring; 21. a connection frame; 22. a, a spring; 23. a contact wheel; 24. a ranging sensor; 25. a drive rack; 26. a connecting frame; 27. driving wheels; 28. resetting the box; 29. a reset shaft; 30. a long steel wire; 31. a take-up reel; 32. resetting the spring; 33. a connecting strip; 34. a first U-shaped frame; 35. a feed rail; 36. a positioning groove; 37. a stirring rod; 38. a fixing frame; 39. a tension spring; 40. a second U-shaped frame; 41. a discharge rail; 42. a lifting rod; 43. a passive bevel frame; 44. an active bevel frame; 45. a transmission frame; 46. a guide frame; 47. a pull-down tab; 48. a tension spring B; 49. a T-shaped column; 50. a buffer plate; 51. a spring B; 52. a damper; 53. a rubber sheet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-13, a rail transit power wheel set detection test device comprises a bottom plate 1, wherein a balance detection component is arranged on the upper side of the bottom plate 1, a feeding component is arranged on one side of the balance detection component, the feeding component comprises a first U-shaped frame 34, the first U-shaped frame 34 is fixed on the upper side of the bottom plate 1, two feeding rails 35 are fixed on the upper side of the first U-shaped frame 34, positioning grooves 36 are arranged on the upper sides of the feeding rails 35, two connecting holes are arranged on the upper side of the first U-shaped frame 34, a stirring rod 37 is rotatably arranged on the inner side of each connecting hole, a fixing frame 38 is arranged on one side of each stirring rod 37 in a contact manner, a tension spring 39 is fixed between the fixing frame 38 and the stirring rod 37, a movable seat 10 can be contacted with the stirring rod 37, when a hydraulic cylinder 8 is retracted, the stirring rod 37 can be contacted with the movable seat 10, when the hydraulic cylinder 8 is extended, the material stirring rod 37 cannot be contacted with the movable seat 10, before the wheel sets are tested, the hydraulic cylinder 8 is controlled to be extended, then a plurality of wheel sets are placed on the feeding track 35, one wheel set is needed to be positioned in the positioning groove 36, when the wheel sets are required to be balanced and tested, the hydraulic cylinder 8 is controlled to retract, the movable seat 10 can be driven to move towards the material stirring rod 37 when the hydraulic cylinder 8 is retracted, during the movement of the movable seat 10, the movable seat 10 can push the lower end of the material stirring rod 37, so that the material stirring rod 37 can automatically rotate, the wheel sets in the positioning groove 36 can be pushed to the detection track 5 when the material stirring rod 37 rotates, automatic material stirring can be realized, the feeding is convenient, and when the hydraulic cylinder 8 is extended, the material stirring rod 37 can automatically reset due to the tension of the tension spring A39, the wheel set may then be tested by the balance detection assembly.
The balance detection assembly comprises a static balance detection assembly and a dynamic balance detection assembly, the static balance detection assembly is used for detecting the balance state of the wheel set when the wheel set does not roll, the static balance detection assembly comprises a support shaft 2, two support seats 3 are fixed on the periphery of the support shaft 2, the support seats 3 are all fixed on the upper side of a bottom plate 1, two rotating plates 4 are rotatably arranged on the periphery of the support shaft 2, detection tracks 5 are all fixed on the upper sides of the rotating plates 4, electronic pressure sensors 6 are all arranged on the lower sides of the rotating plates 4 in a contact mode, the electronic pressure sensors 6 are all fixed on the upper sides of the bottom plate 1, small grooves are all arranged on the upper sides of the detection tracks 5, vibration sensors are all fixed on one sides of the rotating plates 4, and the electronic pressure sensors 6 need to be connected with a power supply through wires.
When the rotating plate 4 contacts with the electronic pressure sensor 6, the rotating plate 4 is in a horizontal state, the baffle frame 7 is fixed on the upper side of the bottom plate 1, the lower part of the baffle frame 7 is positioned between the two rotating plates 4, when the wheel set is pushed onto the detection track 5 by the material stirring rod 37, the wheel set rolls into the small groove and can be blocked by the baffle frame 7, at the same time, the wheel set can be subjected to static balance detection through the electronic pressure sensor 6, if the pressure difference sensed by the two electronic pressure sensors 6 exceeds a range, the static balance state of the wheel set is not satisfied, so that static balance test can be realized, and after the static balance test is finished, dynamic balance detection can be carried out on the wheel set.
The dynamic balance detection assembly is used for detecting the balance state of the wheel set when rolling occurs, the dynamic balance detection assembly comprises a rolling driving assembly, the rolling driving assembly is used for driving a wheel to automatically roll along the direction of the opposite discharging assembly, the rolling driving assembly comprises a hydraulic cylinder 8, the hydraulic cylinder 8 is required to be externally connected with an electromagnetic valve through an oil pipe, a connecting seat 9 is fixed on the periphery of the hydraulic cylinder 8, the connecting seat 9 is fixed on the upper side of a bottom plate 1, a movable seat 10 is fixed at the shaft end of the hydraulic cylinder 8, antifriction grooves are formed in the upper side and the lower side of the movable seat 10, a plurality of antifriction wheels 11 are rotatably arranged on the inner sides of the antifriction grooves, a part of antifriction wheels 11 can be in contact with the upper side of the bottom plate 1, a lifting frame 12 is fixed on the lower side of the rotating plate 4, when the hydraulic cylinder 8 stretches out, a part of antifriction wheels 11 can be in contact with the lifting frame 12, the lifting frame 12 cannot be in contact with the antifriction wheels 11, after the wheel set completes a static balance test, the hydraulic cylinder 8 can be controlled to stretch out, the movable seat 10 can be automatically close to the lifting frame 12, and a part of antifriction wheels 11 can be close to and contacted with the lifting frame 12.
When the hydraulic cylinder 8 is fully extended, the lifting frame 12 is lifted by the antifriction wheels 11 and the movable seat 10, one ends of the rotating plate 4 and the detection rail 5, which are close to the movable seat 10, are automatically lifted, the detection rail 5 is in an inclined state, after the hydraulic cylinder 8 is fully extended, the wheel set on the detection rail 5 passes over the baffle frame 7, then the wheel set rolls downwards due to gravity, and then the dynamic balance test of the wheel set can be performed through the rolling detection assembly.
The dynamic balance detection assembly comprises a rolling detection assembly, the rolling detection assembly is used for detecting the balance state of a wheel set during the rolling towards the direction of the discharging assembly, the rolling detection assembly comprises two C-shaped hollow frames 13, two supporting frames 14 are fixed on the upper side of a bottom plate 1, the C-shaped hollow frames 13 are all fixed on the supporting frames 14, vertical rods 15 are arranged on the inner sides of the C-shaped hollow frames 13, synchronous rods are fixed between the two vertical rods 15, limit wheels 16 are rotatably arranged on two sides of the vertical rods 15 which are far away, the limit wheels 16 can be contacted with the inner sides of the C-shaped hollow frames 13, four vertical retaining wheels 17 are rotatably arranged on two sides of the vertical rods 15 which are far away, the vertical retaining wheels 17 can be contacted with the C-shaped hollow frames 13, a fixing plate 18 is fixed on one side of the vertical rods 15, through holes are formed in the fixing plate 18, sliding rods 19 are slidably arranged on the inner sides of the through holes, the periphery of the sliding rod 19 is fixed with a limiting ring 20, one end of the sliding rod 19 is fixed with a connecting frame 21, an A spring 22 is fixed between the connecting frame 21 and a fixed plate 18, a contact wheel 23 is rotatably arranged on the connecting frame 21, a distance measuring sensor 24 is fixed on the inner side of the connecting frame 21, the distance measuring sensor 24 is externally connected with a power supply through a wire, the C-shaped hollow frame 13 comprises a horizontal part and an inclined part, one side of the C-shaped hollow frame 13 is provided with a driving frame 25, a connecting frame 26 is fixed between the driving frame 25 and the C-shaped hollow frame 13, the contact wheel 23 can be contacted with the driving frame 25, a driving wheel 27 is rotatably arranged at the bottom of the vertical rod 15, an automatic reset component is arranged between the C-shaped hollow frame 13 and the vertical rod 15, the automatic reset component comprises a reset box 28, the reset box 28 is fixed at one end of the C-shaped hollow frame 13, a reset shaft 29 is rotatably arranged on the inner side of the reset box 28, one side of the reset box 28 is provided with a line accommodating hole, the inside of the accommodating wire hole is provided with a long wire 30, one end of the long wire 30 is fixed on the vertical rod 15, the periphery of the reset shaft 29 is fixed with a take-up reel 31, the other end of the long wire 30 is fixed on the periphery of the take-up reel 31, the periphery of the reset shaft 29 is fixed with two reset springs 32, the inside of the reset box 28 is fixed with a connecting strip 33, and the other ends of the reset springs 32 are all fixed on the connecting strip 33.
When the wheel set rolls downwards on the detection track 5, the axle of the wheel set approaches and contacts the driving wheel 27, then the wheel set drives the vertical rod 15 to move downwards obliquely together, meanwhile, the limiting wheel 16 and the vertical holding wheel 17 always contact the C-shaped hollow frame 13 and rotate, the vertical holding wheel 17 can ensure that the vertical rod 15 and the C-shaped hollow frame 13 are always in a vertical state, when the axle of the wheel set contacts the driving wheel 27, the distance between the distance measuring sensor 24 and the wheel of the wheel set can be detected through the distance measuring sensor 24, during the rolling of the wheel set, the distance measuring sensor 24 always detects if the distance value exceeds a certain range, so that the wheel of the wheel set is not round, and the dynamic balance state of the wheel set can be tested, and during the rolling of the wheel set, the wheel 23 always contacts the driving frame 25, after the wheel detection of the wheel set is completed, the distance measuring sensor 24 automatically approaches the C-shaped hollow frame 25, the distance measuring sensor 24 is automatically close to the axle of the C-shaped hollow frame, and the distance between the wheel set and the wheel set is gradually separated from the wheel set, and the wheel set is gradually separated from the axle of the wheel set, and the wheel set is gradually reduced, and the distance value is gradually reduced, and the wheel set is gradually falls off from the wheel set, and the wheel set is completely, and the wheel box is completely separated from the wheel box, and is completely, and is separated from the wheel box, and is completely. Thereby, the vertical rod 15 and the driving wheel 27 can be automatically reset so as to be convenient for the next detection, and the wheel pair can be discharged through the discharging component after the dynamic balance test is finished;
the other side of the balance detection component is provided with a discharging component, the discharging component comprises a second U-shaped frame 40, the second U-shaped frame 40 is fixed on the upper side of the bottom plate 1, two inclined grooves are arranged on the upper side of the second U-shaped frame 40, a discharging rail 41 is fixed on the inner side of each inclined groove, a through hole is arranged on the upper side of the second U-shaped frame 40, a lifting rod 42 is slidably arranged on the inner side of each through hole, a driven bevel frame 43 is fixed on the lower side of each lifting rod 42, one side of each driven bevel frame 43 is provided with a driving bevel frame 44 in a contact manner, a transmission frame 45 is fixed between each driving bevel frame 44 and the corresponding movable seat 10, a guide frame 46 is fixed on the upper side of the bottom plate 1, the transmission frame 45 is slidably arranged on the inner side of the guide frame 46, a lower pull sheet 47 is fixed on one side of each lifting rod 42, a B tension spring 48 is fixed between the lower side of each lower pull sheet 47 and the upper side of the second U-shaped frame 40, a telescopic hole is provided with a T-shaped column 49, one end of each T-shaped column 49 is fixedly provided with a buffer plate 50, a rubber sheet 53 is fixed on one side of the buffer plate 50 far away from the T-shaped column 49, a B spring 51 is fixed between the buffer plate 50 and the lifting rod 42, a damping hole is arranged on one side of the lifting rod 42, a damper 52 is fixed on the inner side of the damping hole, the shaft end of the damper 52 is fixed on the buffer plate 50, after the wheel set completes dynamic balance detection, the wheel set rolls onto the discharging track 41 from the detecting track 5, at the moment, the rolling speed of the wheel set is faster, the shaft of the wheel set automatically approaches and contacts the rubber sheet 53, the damper 52 and the B spring 51 are compressed because of the impact force of the wheel set, at the moment, deceleration buffering can be completed, after the wheel set stops, the hydraulic cylinder 8 can be controlled to retract, the active bevel frame 44 is far away from the passive bevel frame 43, at the moment, the lifting rod 42 automatically descends because of the tension of the B tension spring 48, the axle of wheel pair also can be kept away from gradually and break away from the sheet rubber 53, when the axle of wheel pair breaks away from sheet rubber 53, the wheel pair then can slowly roll and leave ejection of compact track 41 to can realize automatic discharging, need not manual operation, convenient to use, when pneumatic cylinder 8 withdraws, still can realize automatic feeding through dialling material pole 37, thereby can carry out continuous test, the premise is, when carrying out dynamic balance test to the wheel pair, need the manual work to remove the wheel pair that waits to detect next in the constant head tank 36, during the use, can also be with the ordinary track on one end connection of ejection of compact track 41 and feeding track 35, thereby the transportation wheel pair of being convenient for more.
The working principle and the using method of the invention are as follows: before testing the wheel sets, the hydraulic cylinder 8 needs to be controlled to stretch out, a plurality of wheel sets are placed on the feeding track 35, one wheel set needs to be positioned in the positioning groove 36, the hydraulic cylinder 8 is controlled to retract, the wheel set in the positioning groove 36 can be transferred to the static balance detection assembly, the static balance detection assembly is used for carrying out static balance detection on the wheel set, and after the static balance detection is finished, the hydraulic cylinder 8 can be controlled to stretch out.
Then the wheel set can be subjected to dynamic balance test through the rolling detection assembly, during the dynamic balance test, the next wheel set to be tested can be moved into the positioning groove 36, after the dynamic balance test is finished, the wheel set can be stopped through the discharging assembly, then the hydraulic cylinder 8 is controlled to retract, the wheel set can be discharged, meanwhile, the wheel set in the positioning groove 36 can be pushed to the static balance detection assembly, and the continuous test can be realized through reciprocating circulation.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The rail transit power wheel set detection test device comprises a bottom plate (1), and is characterized in that a balance detection assembly is arranged on the upper side of the bottom plate (1), the balance detection assembly comprises a static balance detection assembly and a dynamic balance detection assembly, the static balance detection assembly is used for detecting the balance state of the wheel set when the wheel set does not roll, and the dynamic balance detection assembly is used for detecting the balance state of the wheel set when the wheel set rolls;
the dynamic balance detection assembly comprises a rolling driving assembly and a rolling detection assembly, one side of the balance detection assembly is provided with a feeding assembly, the other side of the balance detection assembly is provided with a discharging assembly, the rolling driving assembly is used for automatically rolling the driving wheel in the direction of the opposite discharging assembly, and the rolling detection assembly is used for detecting the balance state of the wheel set during the rolling in the direction of the opposite discharging assembly;
the static balance detection assembly comprises a supporting shaft (2), two supporting seats (3) are fixed on the periphery of the supporting shaft (2), the supporting seats (3) are all fixed on the upper side of a bottom plate (1), two rotating plates (4) are rotationally connected on the periphery of the supporting shaft (2), detection tracks (5) are all fixed on the upper sides of the rotating plates (4), electronic pressure sensors (6) are arranged on the lower sides of the rotating plates (4), the electronic pressure sensors (6) are all fixed on the upper sides of the bottom plate (1), and baffle frames (7) are fixed on the upper sides of the bottom plate (1).
2. The rail transit power wheel set detection test device according to claim 1, wherein the rolling driving assembly comprises a hydraulic cylinder (8), the hydraulic cylinder (8) is externally connected with an electromagnetic valve through an oil pipe, a connecting seat (9) is fixed on the periphery of the hydraulic cylinder (8), the connecting seat (9) is fixed on the upper side of the bottom plate (1), a movable seat (10) is fixed on the shaft end of the hydraulic cylinder (8), antifriction grooves are formed in the upper side and the lower side of the movable seat (10), a plurality of groups of antifriction wheels (11) are rotatably connected on the inner side of the antifriction grooves, the antifriction wheels (11) are in contact with the upper side of the bottom plate (1), and a lifting frame (12) is fixed on the lower side of the rotating plate (4).
3. The rail transit power wheel set detection test device according to claim 1, wherein the rolling detection assembly comprises two C-shaped hollow frames (13), two supporting frames (14) are fixed on the upper side of the bottom plate (1), the C-shaped hollow frames (13) are all fixed on the supporting frames (14), vertical rods (15) are arranged on the inner sides of the C-shaped hollow frames (13), a synchronous rod is fixed between the two vertical rods (15), limiting wheels (16) are rotatably connected to two sides, far away from the vertical rods (15), of each limiting wheel (16) are contacted with the inner sides of the C-shaped hollow frames (13), and four vertical retaining wheels (17) are rotatably connected to two sides, far away from the vertical rods (15);
the vertical holding wheel (17) is contacted with the C-shaped hollow frame (13), a fixed plate (18) is fixed on one side of the vertical rod (15), a through hole is formed in the fixed plate (18), a sliding rod (19) is connected to the inner side of the through hole in a sliding mode, a limiting ring (20) is fixed on the periphery of the sliding rod (19), a connecting frame (21) is fixed at one end of the sliding rod (19), an A spring (22) is fixed between the connecting frame (21) and the fixed plate (18), a contact wheel (23) is connected to the connecting frame (21) in a rotating mode, a ranging sensor (24) is fixed on the inner side of the connecting frame (21), a driving frame (25) is arranged on one side of the C-shaped hollow frame (13), a connecting frame (26) is fixed between the driving frame (25) and the C-shaped hollow frame (13), the contact wheel (23) is contacted with the driving frame (25), a driving wheel (27) is connected to the bottom of the vertical rod (15) in a rotating mode, and an automatic reset assembly is arranged between the C-shaped hollow frame (13) and the vertical rod (15).
4. A rail transit power wheel set detection test device according to claim 3, characterized in that, the automatic reset assembly includes reset box (28), reset box (28) is fixed in the one end of the hollow frame of C type (13), reset box (28) inboard rotates and is connected with reset axle (29), be fixed with take-up reel (31) in the periphery of reset axle (29), be located and roll up on take-up reel (31) have long wire (30), reset box (28) one side is equipped with and holds the line hole, hold the line hole inboard and be equipped with long wire (30), the other end of long wire (30) is fixed on vertical pole (15), be fixed with two spring (32) that reset on the periphery of reset axle (29), reset box (28) inboard is fixed with connecting strip (33), the other end of spring (32) that resets is all fixed on connecting strip (33).
5. The track traffic power wheel set detection test device according to claim 2, wherein the feeding assembly comprises a first U-shaped frame (34), the first U-shaped frame (34) is fixed on the upper side of the bottom plate (1), two feeding tracks (35) are fixed on the upper side of the first U-shaped frame (34), positioning grooves (36) are formed in the upper side of the feeding tracks (35), two connecting holes are formed in the upper side of the first U-shaped frame (34), a stirring rod (37) can be rotated on the inner side of each connecting hole, fixing frames (38) are arranged on one side of each stirring rod (37) in a contact mode, A tension springs (39) are fixed between the fixing frames (38) and the stirring rod (37), and the movable seat (10) can be contacted with the stirring rod (37).
6. The rail transit power wheel set detection test device according to claim 2, wherein the discharging assembly comprises a second U-shaped frame (40), the second U-shaped frame (40) is fixed on the upper side of the bottom plate (1), two inclined grooves are formed in the upper side of the second U-shaped frame (40), a discharging rail (41) is fixed on the inner side of each inclined groove, a through hole is formed in the upper side of the second U-shaped frame (40), a lifting rod (42) is connected on the inner side of each through hole in a sliding manner, a driven bevel frame (43) is fixed on the lower side of each lifting rod (42), a driving bevel frame (44) is arranged on one side of each driven bevel frame (43) in a contact manner, a transmission frame (45) is fixed between each driving bevel frame (44) and each movable seat (10), a guide frame (46) is fixed on the upper side of the bottom plate (1), the transmission frame (45) is connected on the inner side of each guide frame (46) in a sliding manner, and a pull-down piece (47) is fixedly arranged on one side of each lifting rod (42) in a protruding manner;
a B tension spring (48) is fixed between the lower side of the pull-down piece (47) and the upper side of the second U-shaped frame (40), a telescopic hole is formed in the other side of the lifting rod (42), a T-shaped column (49) is slidably arranged in the telescopic hole, a buffer plate (50) is fixed at one end of the T-shaped column (49), a B spring (51) is fixed between the buffer plate (50) and the lifting rod (42), a damping hole is formed in one side of the lifting rod (42), a damper (52) is fixed on the inner side of the damping hole, and the shaft end of the damper (52) is fixed on the buffer plate (50).
7. The track traffic power wheel set detection test device according to claim 6, wherein a rubber sheet (53) is fixed on one side of the buffer plate (50) away from the T-shaped column (49).
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