CN110879359A - Comprehensive performance test bed for rail vehicle driving motor - Google Patents
Comprehensive performance test bed for rail vehicle driving motor Download PDFInfo
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- CN110879359A CN110879359A CN201911365735.3A CN201911365735A CN110879359A CN 110879359 A CN110879359 A CN 110879359A CN 201911365735 A CN201911365735 A CN 201911365735A CN 110879359 A CN110879359 A CN 110879359A
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Abstract
The invention discloses a comprehensive performance test bed for a driving motor of a railway vehicle, which consists of two sets of units which are arranged in an axisymmetric manner and have the same structure, wherein two sets of tested motors are respectively arranged on a machine base side by side through tested motor supports, one end of a torque sensor is respectively connected with an output shaft of the tested motors, the other end of the torque sensor is connected with an input gear shaft on the corresponding side of a gear box, the output end of a central main shaft of the gear box is connected with the input end of a flywheel set, an emergency brake is arranged at the connection part of the output end of the central main shaft of the gear box and the input end of the flywheel set, the output end of the flywheel set is connected with the output shaft of an accompanying motor, the accompanying motor provides loads for the tested motors and realizes the electric simulation compensation of inertial loads, and bevel gear output. The invention has simple and compact structure, low manufacturing cost and stable and reliable performance, and is suitable for the research, production and quality control of the driving motor of the railway vehicle.
Description
Technical Field
The invention belongs to the technical field of motor performance testing, and particularly relates to a comprehensive performance test bed for a driving motor of a railway vehicle.
Background
The rail vehicle driving motor is an important component of a rail vehicle, and along with the development of science and technology, people put forward higher and higher requirements on the performance and quality indexes of the rail vehicle driving motor. Design developers need to perform a large number of test tests on the driving motor of the rail vehicle. The test uses instruments, meters and related equipment to test the technical indexes of the tested motor, such as electrical performance, mechanical performance, safety performance, reliability and the like according to related regulations, and the comprehensive tests can totally or partially reflect the related performance data of the tested motor, and the data can be used for judging whether the tested motor meets the design requirements, the quality and the improvement target and direction. The test is an important link for comprehensively evaluating the motor assembly quality and the technical performance of the railway vehicle. Therefore, for the units engaged in the research, production or maintenance of the driving motor of the rail vehicle, it is very necessary to have a set of comprehensive performance test bed of the driving motor of the rail vehicle which meets the requirements.
In the overall layout of the comprehensive performance test bed of the driving motor of the railway vehicle in the prior art, the accompanying motor shaft and the flywheel box shaft of the test bed are arranged at 90 degrees, and the reduction ratio of a gear box is 1: 4, the overall layout of the existing railway vehicle driving motor comprehensive performance test bed mainly has the following defects: the equipment area is big, and the too big motor rotational speed that leads to accompanying of gear box reduction ratio is low on the side, volume weight is big, and the price is higher more than low because of the rotational speed of accompanying the motor under the same power, and then leads to equipment manufacturing cost on the side high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a comprehensive performance test bed for a driving motor of a railway vehicle, which has the advantages of simple structure, small occupied area, low manufacturing cost, stable and reliable performance and suitability for research, production and quality control of the driving motor of the railway vehicle. The technical scheme of the invention is as follows by combining the attached drawings of the specification:
a comprehensive performance test bed for a driving motor of a railway vehicle is composed of two sets which are arranged in an axisymmetric manner and have the same structure, wherein each set is composed of a base, a tested motor support, a torque sensor, a gear box, an emergency brake, a flywheel set and an accompanying motor;
two groups of tested motors are respectively arranged at one end of a base side by side through a tested motor support and are matched with the tested motors, one ends of two groups of torque sensors are respectively and correspondingly and coaxially connected with output shafts of the two groups of tested motors, the other ends of the two groups of torque sensors are coaxially connected with an input gear shaft at one corresponding side on a gear box, the output end of a central main shaft of the gear box is coaxially connected with the input end of a flywheel group, an emergency brake is arranged at the connecting position of the output end of the central main shaft of the gear box and the input end of the flywheel group, the output end of the flywheel group is coaxially connected with an output shaft of an accompanying motor, the accompanying motor is used for providing loads for the tested motors on one;
bevel gear output shafts positioned on the side surfaces of the gear boxes of the two sets of units are connected through universal output shafts, and the same power transmission mode of an actual railway vehicle is simulated.
Furthermore, the tested motor support consists of a vertical lifting mechanism and a horizontal moving mechanism;
the vertical lifting mechanism consists of a lifting screw rod, a vertical mounting seat, a lifting slide block, a lifting adjusting hand wheel, a vertical pressing plate and a vertical screw rod seat, wherein the vertical mounting seat is mounted on the upper surface of a translation slide block of the horizontal moving mechanism;
the horizontal movement mechanism is composed of a translation lead screw, a horizontal mounting seat, a translation sliding block, a translation adjusting hand wheel, a horizontal pressing plate and a horizontal lead screw seat, wherein the horizontal mounting seat is fixed on the upper surface of the base, the end part of the translation lead screw is installed on the base through the horizontal lead screw seat, the translation lead screw is in threaded connection with the translation sliding block, the translation sliding block is slidably installed in a horizontal chute on the side surface of the horizontal mounting seat, the translation adjusting hand wheel is coaxially and fixedly connected with the translation lead screw, the translation sliding block slides back and forth under the driving of the translation lead screw and is fixed on the horizontal mounting seat through the horizontal pressing plate, and a tested motor.
Furthermore, the gearbox comprises a first input gear shaft, a second input gear shaft, a first intermediate wheel, a second intermediate wheel, a central main shaft, a small bevel gear, a large bevel gear, a side main shaft, a gear clutch, a bevel gear output shaft and a shifting fork;
the first input shaft and the second input shaft are arranged side by side and are respectively coaxially connected with a group of torque sensors, the first input shaft is meshed with the first intermediate wheel, the second input shaft is meshed with the second intermediate wheel, the first intermediate wheel and the second intermediate wheel are symmetrically arranged on two sides of the central main shaft and are simultaneously meshed with a central gear at one end of the central main shaft, the other end of the central main shaft is directly connected with the input end of the flywheel group through a coupler, the small bevel gear is arranged on the central main shaft and is meshed with a large bevel gear arranged on the side main shaft, and the shifting fork is matched with the gear clutch and is arranged between the coaxially arranged side main shaft and the bevel gear output shaft so as to control the connection or the separation of the side main shaft and the bevel gear output shaft.
Furthermore, the torque sensor is a disc-type torque sensor, a connecting disc at one end of the torque sensor is structurally matched with one end of the first coupler and is directly connected with the first coupler, and a connecting disc at the other end of the torque sensor is connected with an input gear shaft corresponding to the gear box through a flange.
Compared with the prior art, the invention has the beneficial effects that:
1. the comprehensive performance test bed for the driving motor of the railway vehicle is provided with two groups of units which are arranged in parallel and are independent of each other, wherein a test accompanying motor shaft and a flywheel set shaft are arranged linearly, and the whole test bed occupies a small area and is convenient to transport and install;
2. the accompanying motor adopted by the comprehensive performance test bed of the driving motor of the railway vehicle is used for providing a load for a tested motor on one hand and providing electrical simulation compensation for an inertial load on the other hand, so that the grading of a flywheel set is further simplified, and the structure of the whole set is further simplified;
3. the total transmission ratio of the gear box in the test bed for the comprehensive performance of the driving motor of the railway vehicle is i-2, an input gear shaft and a driving central shaft are arranged in the gear box in parallel, the driving central shaft and a main shaft are vertically arranged, and the main shaft and an output shaft are linearly arranged, so that the gear box is more compact in structure, lower in manufacturing cost and stable and reliable in performance;
4. the comprehensive performance test bed for the driving motor of the railway vehicle is particularly suitable for research, production and quality control of the driving motor of the railway vehicle.
Drawings
FIG. 1 is a top view of a railway vehicle drive motor combination property test bed according to the present invention;
FIG. 2 is a front view of a first unit of the railway vehicle driving motor comprehensive performance test bed of the invention;
FIG. 3 is a left side view of a railway vehicle drive motor combination property test bed according to the present invention;
FIG. 4 is a front view of a tested motor support in the test bed for comprehensive performance of a driving motor of a railway vehicle according to the present invention;
FIG. 5 is a left side view of a tested motor support in the test bed for comprehensive performance of a driving motor of a railway vehicle according to the present invention;
FIG. 6 is a top view of a tested motor support in the test bed for comprehensive performance of a driving motor of a railway vehicle according to the present invention;
FIG. 7 is a partially enlarged view of a vertical lifting mechanism in the test bed for comprehensive performance of the driving motor of the railway vehicle according to the invention;
FIG. 8 is a partially enlarged view of a horizontal moving mechanism in the test bed for comprehensive performance of the driving motor of the railway vehicle according to the invention;
FIG. 9 is a front view of a gearbox in the test bed for comprehensive performance of a driving motor of a railway vehicle according to the present invention;
FIG. 10 is a left side view of a gear box of the railway vehicle drive motor combination property test bed according to the present invention;
FIG. 11 is a schematic view of an internal structure of a gearbox in the railway vehicle driving motor comprehensive performance test bed according to the invention;
in the figure:
1-a machine base, 2-a tested motor support, 3-a first coupler, 4-a torque sensor,
5-a gear box, 6-a second coupling, 7-an emergency brake, 8-a flywheel set,
9-a third coupler, 10-a test motor, 11-a lifting screw rod, 12-a vertical mounting seat,
13-lifting slide block, 14-lifting adjusting hand wheel, 15-vertical pressure plate, 16-input shaft flange,
17-a first input gear shaft, 18-a second input gear shaft, 19-a first intermediate gear, 20-a second intermediate gear,
21-central main shaft, 22-small bevel gear, 23-big bevel gear, 24-side main shaft,
25-gear clutch, 26-bevel gear output shaft, 27-shifting fork, 28-universal transmission shaft,
29-tested motor, 30-encoder, 31-translation screw 32-horizontal mounting seat,
33-a translation sliding block, 34-a translation adjusting hand wheel 35-a horizontal pressing plate 36-a vertical screw rod seat,
37-horizontal lead screw base
Detailed Description
For clearly and completely describing the technical scheme and the specific working process thereof, the specific implementation mode of the invention is as follows by combining the attached drawings of the specification:
as shown in fig. 1, the invention provides a comprehensive performance test bed for a driving motor of a railway vehicle, which consists of two sets of units with the same structure, wherein the two sets of units are respectively as follows: the device comprises a first unit A and a second unit B, wherein the first unit A and the second unit B respectively comprise a machine base 1, a tested motor support 2, a torque sensor 4, a gear box 5, an emergency brake 7, a flywheel set 8 and an accompanying motor 10, the first unit A and the second unit B are arranged in parallel and in axial symmetry, and bevel gear output shafts 26 on the sides of the gear box 5 of the first unit A and the second unit B are connected through universal output shafts 28 to realize the same power transmission mode as that of an actual railway vehicle.
The following explains the structure of the unit by taking the first unit a as an example:
as shown in fig. 1, 2, 3 and 11, in the first unit a, a machine base 1 is used as a bearing base of the unit, and is horizontally arranged and fixedly installed on the ground through anchor bolts, two groups of tested motors 29 are respectively installed at one end of the machine base 1 in parallel along the length direction of the machine base 1 through a tested motor support 2, the two torque sensors 4 are matched with the tested motor 29, one end of each torque sensor 4 is coaxially connected with an output shaft of the tested motor 29 through the first coupler 3, the other end of each torque sensor 4 is connected with an input gear shaft on the corresponding side of the gear box 5 through the input shaft flange 16, a central main shaft 21 of the gear box 5 is connected with the input end of the flywheel set 8 through the second coupler 6, the emergency brake 7 is installed at the connection position of the central main shaft 21 of the gear box 5 and the input end of the flywheel set 8, and the output end of the flywheel set 8 is connected with the output shaft of the accompanying motor 10 through the third coupler 9.
As shown in fig. 2 and 4, the tested motor support 2 is used for supporting and mounting the tested motor 29, wherein the tested motor support 2 is composed of a vertical lifting mechanism and a horizontal moving mechanism, the adjustment of the central height position of the tested motor can be realized by adjusting the vertical lifting mechanism, the adjustment of the axial position of the tested motor can be realized by adjusting the horizontal moving mechanism, and finally, the adjustment and mounting of the tested motors 29 with different models and sizes on the tested motor support 2 are realized.
As shown in fig. 4, 5, 6 and 7, the vertical lifting mechanism is composed of a lifting screw 11, a vertical mounting seat 12, a lifting slider 13, a lifting adjusting hand wheel 14, a vertical pressing plate 15 and a vertical screw seat 36, wherein the vertical mounting seat 12 is arranged perpendicular to the base 1, the bottom of the vertical mounting seat 12 is vertically arranged on the upper surface of a translation slider 33 of the horizontal moving mechanism, the lifting screw 11 is also arranged perpendicular to the base 1, the upper end of the lifting screw 11 is rotatably arranged on the vertical screw seat 36 through a bearing, the vertical screw seat 36 is fixedly arranged at the upper end of the vertical mounting seat 12, so that the lifting screw 11 and the vertical mounting seat 12 are relatively fixed along the axial direction, the threaded end of the lifting screw 11 is in threaded fit connection with the lifting slider 13, two sides of the lifting slider 13 are slidably arranged in vertical sliding grooves at two sides of the vertical mounting seat 12, the lifting adjusting hand wheel 14 is coaxially and fixedly connected with the top end of the lifting, the lifting screw rod 11 can be driven to synchronously rotate by rotating the lifting adjusting hand wheel 14, the lifting slide block 13 only linearly moves up and down along vertical sliding grooves on two sides of the vertical mounting seat 12 under the rotary drive of the lifting screw rod 11, after the lifting slide block 13 moves to a proper height position, the fastening vertical pressing plate 15 is arranged between the lifting slide block 13 and the vertical mounting seat 12, the fastening vertical pressing plate 15 is tightly pressed and fixed on the lifting slide block 13 and the vertical mounting seat 12 through bolts, the relative fixing of the lifting slide block 13 and the vertical mounting seat 12 is realized, the output end motor shell of the tested motor 29 is fixedly installed with the lifting slide block 13 through a motor flange, the tested motor 29 is driven to move up and down through the lifting slide block 13, and further the adjustment of the height position of the axis of the output shaft of the tested motor 29 is realized.
As shown in fig. 4, 5, 6 and 8, the horizontal moving mechanism is composed of a horizontal moving screw 31, a horizontal mounting seat 32, a horizontal moving slider 33, a horizontal moving adjusting hand wheel 34, a horizontal pressing plate 35 and a horizontal moving screw seat 37, wherein the horizontal mounting seat 32 is horizontally fixed on the upper surface of the base 1, the horizontal moving screw 31 is horizontally arranged along the base 1, one end of the horizontal moving screw 31 is rotatably mounted on the horizontal moving screw seat 37 through a bearing, the horizontal moving screw seat 37 is fixedly mounted on the upper surface of the base 1, the threaded end of the horizontal moving screw 31 is in threaded fit connection with the horizontal moving slider 33, two sides of the horizontal moving slider 33 are slidably mounted in horizontal sliding grooves on two sides of the horizontal mounting seat 32, the horizontal moving adjusting hand wheel 34 is coaxially and fixedly connected with the outer end of the horizontal moving screw 31, the horizontal moving screw 31 can be driven to rotate synchronously by rotating the horizontal moving adjusting hand wheel 34, the horizontal moving slider 33 only linearly moves back and forth along the, after the translation sliding block 33 moves to a proper horizontal position, the horizontal pressing plate 35 is placed between the horizontal installation seat 32 and the translation sliding block 33, the horizontal pressing plate 35 is pressed on the horizontal installation seat 32 and the translation sliding block 33 through bolts, the translation sliding block 33 and the horizontal installation seat 32 are fixed relatively, the motor shell at the bottom of the tested motor 29 is fixedly installed on the translation sliding block 33, the tested motor 29 is driven to move back and forth through the translation sliding block 33, and then the back and forth position of the output shaft of the tested motor 29 is adjusted.
As shown in fig. 1, fig. 2, fig. 3 and the figure 3, the torque sensor 4 is a disc structure, one end of the torque sensor 4 is connected with one end of the first coupling in a structure and size matched with those of the first coupling, and can be directly connected with the first coupling 3, and the other end of the torque sensor 4 is connected with an input gear shaft corresponding to the gear box 5 through an input shaft flange 16.
As shown in fig. 1, 2, 9, 10 and 11, the gear box 5 includes a first input gear shaft 17, a second input gear shaft 18, a first intermediate gear 19, a second intermediate gear 20, a central main shaft 21, a small bevel gear 22, a large bevel gear 23, a side main shaft 24, a gear clutch 25, a bevel gear output shaft 26 and a shift fork 27, wherein the first input shaft 17 and the second input shaft 18 are arranged side by side and coaxially corresponding to a set of torque sensors 4, respectively, the first input shaft 17 and the second input shaft 18 are connected to the corresponding torque sensors 4 through input shaft flanges 16, respectively, the first input shaft 17 is engaged with the first intermediate gear 19, the second input shaft 18 is engaged with the second intermediate gear 20, the first intermediate gear 19 and the second intermediate gear 20 are symmetrically arranged on both sides of the central main shaft 21 and simultaneously engaged with the central gear at one end of the central main shaft 21, a transmission ratio i from the first input shaft 17 and the second input shaft 18 to the central main shaft 21 is 2, the first input shaft 17 and the second input shaft 18 respectively drive the central main shaft 21 to rotate through a first intermediate gear 19 and a second intermediate gear 20, a small bevel gear 22 is installed on the middle section of the central main shaft 21, a side main shaft 24 is arranged perpendicular to the central main shaft 21, a large bevel gear 23 is installed at the head end of the side main shaft 24, the small bevel gear 22 and the small bevel gear 22 are meshed to form a bevel gear pair, the transmission ratio i of the bevel gear pair is 2, a gear clutch 25 is installed at the tail end of the side main shaft 24, the bevel gear output shaft 26 is coaxially arranged at the rear part of the tail end of the side main shaft 24, the shifting fork 27 is matched with the gear clutch 25, under the stirring of the shifting fork 27, the gear clutch 25 is combined or separated, so that the connection or separation of the control side main shaft 24 and the bevel gear output shaft 26 is realized, and the other end of the central main shaft 21 is connected with the flywheel main shaft input end of the flywheel set 8 through the second coupling 6.
The emergency brake 7 is a conventional drum type emergency brake and comprises a brake drum and a brake caliper, the brake drum is arranged on the end face of a half coupling adjacent to the emergency brake 7 in the second coupling 6, the brake caliper is coaxially arranged on the outer side of the outer ring of the brake drum, and the base of the brake caliper is fixed on the working table surface of the base 1. When emergency such as power failure occurs, the brake caliper clamps the brake drum, the second coupling 6 is braked through the brake drum, and then the main shaft system connected with the second coupling 6 is braked.
The inertia of the flywheel set 8 is designed according to the motion inertia of the actual rail vehicle and is composed of a plurality of flywheels. The flywheels are fastened by screws arranged on the end surfaces of the flywheels to form a whole, the flywheel set 8 and the flywheel main shaft are in a conical surface fit relation, and the flywheel set 8 is fastened by the screws and coaxially arranged on a shaft shoulder of the flywheel main shaft. Due to the introduction of the electric simulation technology, the accompanying motor can simulate and compensate the test inertia, so that the number of flywheels used for matching the test inertia is greatly reduced. When the test device works, the number of the flywheels arranged on the rotating central shaft of the flywheel set is configured according to inertia required by different tests, and the actual inertia of the matched flywheels is compensated by electric simulation because of the reduction of the number of the flywheels and inertia deviation which cannot be avoided by the flywheels or inertia which is more than or less than the inertia required by the tests. After the mounting screws are removed, the flywheel moves along the axial direction, is placed on the flywheel bracket and is separated from the flywheel spindle.
The accompanying motor 10 is connected with the output end of the flywheel main shaft of the flywheel set 8 through the third coupler 9, and the accompanying motor 10 is used for providing loads for the tested motor 29 and achieving electric simulation compensation of inertial loads. The electric simulation inertia is to utilize the test motor 10 to cooperate with a frequency converter to realize the rotation speed control under the given deceleration, output positive/negative torque, compensate the influence of the deviation of the mechanical inertia on the acceleration of the flywheel system, and enable the acceleration of the flywheel system to just meet the physical relationship between the driving torque and the required inertia. Electrical analog inertia technology is widely used as electronic control hardware, such as frequency converter technology, matures. An encoder 30 is installed at the rear of the test assistant motor 10 to measure the rotation speed of the test assistant motor 10.
The first unit A and the second unit B are arranged in parallel, bevel gear output shafts 26 in the gear boxes 5 in the first unit A and the second unit B are also symmetrically arranged, and the bevel gear output shafts 26 of the first unit A and the second unit B are connected with a telescopic universal transmission shaft 28 through flanges, so that torque transmission between the two units is realized.
The working principle of the invention is briefly described as follows:
the tested motor 29 outputs torque and rotating speed according to the acceleration requirement of the railway vehicle, wherein the torque is obtained by measuring through a torque sensor 4, the rotating speed is obtained by multiplying the data measured by an encoder 30 at the tail part of the accompanying motor 10 by a reduction ratio coefficient, the driving torque output by the tested motor 29 balances the inertia torque of a mechanical system of the test bed (the inertia torque of the mechanical system comprises the inertia of the whole test bed and the inertia provided by a flywheel) and the electric inertia simulation torque, the wheel track resistance torque, the slope torque and the wind resistance provided by the accompanying motor 10, so that the inertia system of the whole test bed (the inertia system torque of the test bed comprises the inertia of the whole test bed and the inertia provided by the flywheel and the electric simulation torque, the wheel track resistance torque, the slope torque and the like provided by the accompanying motor 10, the simulation inertia is positive and negative torque of an output shaft of the control motor) is accelerated and the stable speed is finally maintained, thus, the test of the tested motor and the control system is completed.
In this embodiment, the main technical parameters of the test stand are as follows:
1. tested motor support:
lifting adjustment amount: 100 mm;
horizontal adjustment amount: 200 mm;
2. a torque sensor:
the model is as follows: TQ-665-3000N-m;
brand name: beijing world wide scientific innovation;
3. a gear box:
input shaft center distance: 1000 mm;
input shaft maximum torque: 3000N-m;
maximum rotation speed of input shaft: 6000 r/min;
input shaft and central main shaft drive ratio: i is 2;
the transmission ratio i of the central main shaft to the bevel gear output shaft is 2
Gear precision: 6, grade;
noise: less than or equal to 82 dB;
4. an emergency brake:
type (2): an industrial brake;
the model is as follows: YWZ 2-400/E50-HR;
diameter of the brake drum: 400 mm;
5. the external dimension is as follows: about 7850mm (length) x 4540mm (width) x 1900mm (height);
6. total weight: about 40 tons.
Claims (4)
1. The utility model provides a rail vehicle driving motor comprehensive properties test bench which characterized in that:
the device comprises two sets of units which are arranged in an axisymmetric manner and have the same structure, wherein each set of units comprises a base, a tested motor support, a torque sensor, a gear box, an emergency brake, a flywheel set and an accompanying test motor;
two groups of tested motors are respectively arranged at one end of a base side by side through a tested motor support and are matched with the tested motors, one ends of two groups of torque sensors are respectively and correspondingly and coaxially connected with output shafts of the two groups of tested motors, the other ends of the two groups of torque sensors are coaxially connected with an input gear shaft at one corresponding side on a gear box, the output end of a central main shaft of the gear box is coaxially connected with the input end of a flywheel group, an emergency brake is arranged at the connecting position of the output end of the central main shaft of the gear box and the input end of the flywheel group, the output end of the flywheel group is coaxially connected with an output shaft of an accompanying motor, the accompanying motor is used for providing loads for the tested motors on one;
bevel gear output shafts positioned on the side surfaces of the gear boxes of the two sets of units are connected through universal output shafts, and the same power transmission mode of an actual railway vehicle is simulated.
2. The rail vehicle drive motor combination property test bench of claim, characterized in that:
the tested motor support is composed of a vertical lifting mechanism and a horizontal moving mechanism;
the vertical lifting mechanism consists of a lifting screw rod, a vertical mounting seat, a lifting slide block, a lifting adjusting hand wheel, a vertical pressing plate and a vertical screw rod seat, wherein the vertical mounting seat is mounted on the upper surface of a translation slide block of the horizontal moving mechanism;
the horizontal movement mechanism is composed of a translation lead screw, a horizontal mounting seat, a translation sliding block, a translation adjusting hand wheel, a horizontal pressing plate and a horizontal lead screw seat, wherein the horizontal mounting seat is fixed on the upper surface of the base, the end part of the translation lead screw is installed on the base through the horizontal lead screw seat, the translation lead screw is in threaded connection with the translation sliding block, the translation sliding block is slidably installed in a horizontal chute on the side surface of the horizontal mounting seat, the translation adjusting hand wheel is coaxially and fixedly connected with the translation lead screw, the translation sliding block slides back and forth under the driving of the translation lead screw and is fixed on the horizontal mounting seat through the horizontal pressing plate, and a tested motor.
3. The railway vehicle driving motor comprehensive performance test bed as claimed in claim 1, characterized in that:
the gear box comprises a first input gear shaft, a second input gear shaft, a first intermediate wheel, a second intermediate wheel, a central main shaft, a small bevel gear, a large bevel gear, a side main shaft, a gear clutch, a bevel gear output shaft and a shifting fork;
the first input shaft and the second input shaft are arranged side by side and are respectively coaxially connected with a group of torque sensors, the first input shaft is meshed with the first intermediate wheel, the second input shaft is meshed with the second intermediate wheel, the first intermediate wheel and the second intermediate wheel are symmetrically arranged on two sides of the central main shaft and are simultaneously meshed with a central gear at one end of the central main shaft, the other end of the central main shaft is directly connected with the input end of the flywheel group through a coupler, the small bevel gear is arranged on the central main shaft and is meshed with a large bevel gear arranged on the side main shaft, and the shifting fork is matched with the gear clutch and is arranged between the coaxially arranged side main shaft and the bevel gear output shaft so as to control the connection or the separation of the side main shaft and the bevel gear output shaft.
4. The railway vehicle driving motor comprehensive performance test bed as claimed in claim 1, characterized in that:
the torque sensor is a disc-type torque sensor, one end connecting disc of the torque sensor is structurally matched with one end of the first coupler and is directly connected with the first coupler, and the other end connecting disc of the torque sensor is connected with an input gear shaft corresponding to the gear box through a flange.
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| CN201911365735.3A CN110879359A (en) | 2019-12-26 | 2019-12-26 | Comprehensive performance test bed for rail vehicle driving motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116044864A (en) * | 2022-12-09 | 2023-05-02 | 青岛松山机械有限公司 | Hydraulic power component manufacturing test device |
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| CN116044864B (en) * | 2022-12-09 | 2024-01-23 | 青岛松山机械有限公司 | Hydraulic power component manufacturing test device |
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