CN115824686A - Performance test bed for aerial passenger device and test method - Google Patents
Performance test bed for aerial passenger device and test method Download PDFInfo
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Abstract
The invention relates to an overhead man-riding device performance test bed and a test method, and belongs to test equipment for mining equipment. The invention discloses a performance test bed for an overhead manned device, which comprises a driving power table, a driving wheel and a traction power mechanism, wherein the driving power table is provided with a rack, the driving wheel is transversely arranged in the rack, the traction power mechanism is connected to a wheel shaft of the driving wheel through a transmission mechanism, and the transmission mechanism is provided with a torque sensor; the adjusting test bench comprises a wheel set mounting rack, a wheel set rail, a traction rope grasper and a traction tension sensor, the wheel set mounting rack is arranged on the rail, the wheel set mounting rack can move on the rail, the wheel set mounting rack is provided with a test supporting wheel and a test pressing wheel, the traction rope grasper is provided with a gripper for grasping the traction rope, and the traction rope grasper is connected to a tension test power mechanism through the traction tension sensor; the traction rope loading platform is provided with a plurality of supporting wheels, loading wheels and loading counterweights, the traction rope is arranged on the supporting wheels, the loading wheels are arranged above the traction rope, the wheel carrier of the loading wheels is provided with the loading counterweights, and a loading pressure sensor is arranged between the loading counterweights and the wheel carrier.
Description
Technical Field
The invention relates to an overhead man carrying device performance test bed and a test method, and belongs to test equipment for mining equipment.
Background
An overhead manned device, commonly called a monkey car, is important mechanical equipment widely applied to underground mine operation at present. The overhead passenger device mainly comprises a driving device, a tail wheel, a tensioning device, a steel wire rope, a supporting (pressing) wheel, a hanging chair and an electric control and protection device. The mechanical parts and the carrying links are multiple, so that the safety and the stability of the device have larger uncertainty, and the safety of equipment and personnel is directly influenced. Therefore, how to obtain the carrying performance of the overhead man-riding device at the beginning of use has important significance for engineering application, performance improvement and structure improvement in the design stage, and the like.
In order to improve the operation safety and stability of the overhead manned device, production and research units need to perform experiments and performance evaluation on the overhead manned device, and basic data are provided for equipment optimization design and performance improvement by means of the experiments. However, due to the complexity of the use environment of the aerial passenger device, the data acquisition in practical engineering application has great difficulty. The existing literature data shows that the existing experimental equipment of the overhead manned device is mostly used for testing traction force and braking force so as to meet the factory detection requirements, simulation experiments such as production scene simulation and motor performance test cannot be carried out, and the experimental effect has great limitation. Therefore, the experimental bench for testing the carrying performance of the aerial passenger device has good theoretical research significance and engineering practice value.
Disclosure of Invention
The invention provides a performance test bed of an aerial passenger device and a test method, which solve the problem of performance test of the aerial passenger device.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention relates to a performance test bed of an overhead manned device, which comprises,
the driving power table is provided with a rack, a driving wheel and a traction power mechanism, the driving wheel is transversely arranged in the rack, the traction power mechanism is connected to a wheel shaft of the driving wheel through a transmission mechanism, and the transmission mechanism is provided with a torque sensor;
the adjusting test bench comprises a wheel set mounting rack, a wheel set rail, a traction rope grasper and a traction tension sensor, wherein the wheel set mounting rack is arranged on the rail, the wheel set mounting rack can move on the rail, a test support wheel and a test pressing wheel are arranged on the wheel set mounting rack, the traction rope grasper is provided with a gripper for grasping a traction rope, and the traction rope grasper is connected to a tension test power mechanism through the traction tension sensor;
the traction rope loading platform is provided with a plurality of supporting wheels, loading wheels and loading counterweights, the traction rope is arranged on the supporting wheels, the loading wheels are arranged above the traction rope, the wheel carrier of the loading wheels is provided with the loading counterweights, and a loading pressure sensor is arranged between the loading counterweights and the wheel carrier.
The performance test bed of the aerial passenger device also comprises a traction rope tensioning platform, wherein a tensioning wheel frame, a tensioning slideway, a tensioning rope and a tensioning rope winding mechanism are arranged in the traction rope tensioning platform;
according to the performance test bed of the aerial passenger device, a movable driving mechanism is arranged on a rail in the adjusting test bed, a motor is arranged at the end part of the movable driving mechanism, the wheel set mounting frame is arranged on the movable driving mechanism, and the motor drives the wheel set mounting frame to move along the rail through the movable driving mechanism.
According to the performance test bed of the aerial passenger device, the supporting wheels and the testing pressing wheels on the wheel set mounting frame are provided with wheel set lifting mechanisms, the wheel set lifting mechanisms drive the supporting wheels and the testing pressing wheels to lift along the height of the wheel set mounting frame, the traction rope grasper and the traction tension sensor are arranged on the transverse track, the transverse moving mechanism is arranged on the transverse track, and the transverse moving mechanism drives the tensioning testing power mechanism to move along the transverse track.
According to the performance test bed of the aerial passenger device, traction power mechanisms on the driving power table are arranged in two forms, namely, the traction power mechanisms are directly connected and connected through a transmission mechanism, and the traction power mechanisms are detachable structures and used for installing motors to be tested.
According to the performance test bed of the overhead manned device, each group of loading counterweights of the traction rope loading platform are correspondingly provided with two groups of loading wheels, wheel carriers of the loading wheels penetrate through the upper part of the traction rope loading platform and are provided with loading pressure sensors and loading counterweights, and two ends of each loading counterweight extend out of articulated shafts to be articulated with the traction rope loading platform.
According to the performance test bed of the aerial passenger device, the traction rope tensioning platform is provided with a pair of tensioning slideways, two sides of a tensioning wheel frame are embedded into the tensioning slideways, the tensioning wheel frame is connected to a tensioning rope through a tension sensor, and the tensioning rope winding mechanism is a winch.
The invention discloses a method for testing the performance test bed of an overhead man-riding device, which comprises the following steps of 1) installing each subsection of the overhead man-riding device to be tested on a driving power table, an adjusting test table, a traction rope loading table and a traction rope tensioning table in the device;
2) Adjusting a supporting wheel and a testing pinch roller in the test bench to be lifted to a testing height under the action of a wheel set lifting mechanism, and moving a wheel set mounting rack to a longitudinal required position through a moving driving structure;
3) Fixing a traction rope grasper on a traction rope, and requiring a use environment to adjust the position of the traction rope grasper on a transverse rail through a transverse moving mechanism;
4) A tensioning rope winding mechanism of the traction rope tensioning platform tensions a tensioning rope, and the tensioning rope pulls a tensioning wheel to move to the outermost side position on the tensioning rail;
5) Starting a traction power mechanism to drive a traction rope to circularly run;
6) Adding a loading counterweight according to the environment, and pressing down the traction rope by the loading wheel;
7) The torque sensor monitors the output torque of the traction power mechanism, the traction tension sensor of the traction rope grasper monitors the lateral tension at all times, the loading pressure sensor monitors the loading stress state, and the traction tension sensor monitors the tension, and records the data;
8) And (4) moving the mounting position of the wheel set, adjusting the heights of the supporting wheels and the test pressing wheel, changing the lateral tension of the traction rope grasper, changing the loading counterweight, monitoring at any time according to the step (7), and finishing the experiment requirement.
The invention relates to a method for testing the performance of an overhead manned device, which is characterized by comprising the following steps of,
1) And (3) testing the traction force: the traction rope is not moved, the rotating speed of a motor of the traction power mechanism is continuously increased until the driving wheel and the traction rope slide, and the traction force sensor records the maximum tension of the traction rope, namely the traction force;
2) And (3) testing the braking force: the motor of the traction power mechanism does not rotate, the tensioning rope winding mechanism stretches the traction rope until the traction rope and the driving wheel slide relatively, and the traction force sensor records the maximum tension force at the moment, namely the braking force.
The invention can complete the tests of the no-load, under-load bearing performance, motor performance and the like of the aerial passenger device, and provides an experimental platform for product delivery detection and product optimization promotion.
The test items can carry out bearing change, and the use environment of a field is fully simulated;
the method provides experimental data for the research and development of new products, and can carry out more direct test aiming at the existing products so as to solve the problems in the products.
Drawings
Figure 1 is an overall block diagram of the present invention,
figure 2 is a side view of the drive power stage of the present invention,
figure 3 is a top view of the drive power station of the present invention,
figure 4 is a side view of the tuning test stand of the present invention,
figure 5 is a top view of the tuning test stand of the present invention,
figure 6 is a side view of a pull-cord loading station of the present invention,
figure 7 is a top view of the pull-cord loading station of the present invention,
fig. 8 is a side view of a pull-cord tensioning station of the present invention,
fig. 9 is a top view of the pull-cord tensioning station of the present invention,
reference numerals: 1. a driving power table 11, a power frame 12, a driving wheel 14, a traction power mechanism 15, a torque sensor 16 and a transmission mechanism 16,
2. the device comprises an adjusting test bench, 21, an adjusting rack, 22, a wheel set mounting rack, 221, a testing support wheel 222, a testing pressing wheel 23, a wheel set rail, 24, a traction rope grasper, 25, a traction tension sensor, 26, a wheel set lifting mechanism, 27, a mobile driving mechanism, 28, a transverse rail, 29, a transverse driving mechanism, 3, a traction rope loading bench, 31, a loading rack, 32, a loading support wheel, 33, a loading wheel, 34, a loading counterweight, 4, a traction rope tensioning bench, 41, a tensioning rack, 42, a tensioning wheel rack, 43, a tensioning slideway, 44, a tensioning rope, 45, a tensioning rope winding mechanism, 46 horizontal tensioning wheels, 47 and vertical tensioning wheels 48, a tensioning tension sensor and 5 traction ropes.
Detailed Description
The following further describes the specific contents of the present invention:
the performance test bed of the overhead manned device is used for carrying out experiments and performance evaluation on the operation safety and stability of the overhead manned device, and meanwhile, basic data are provided for equipment optimization design and performance improvement by means of the experiments.
The test bed comprises four main parts 4, wherein each part comprises: the device comprises a driving power table, an adjusting test table, a traction rope loading table and a traction rope tensioning area. The four parts have the structural functions that the driving power area is used for installing a driving motor, a transmission mechanism, a driving wheel and a torque sensor; the adjusting test bench is used for adjusting the lifting height of the traction rope so as to test traction force and braking force; the traction rope loading platform is used for simulating that a person rides on a traction rope to apply vertical pressure;
the traction rope tensioning table is used for tensioning the traction rope and providing friction force for the overhead passenger device to carry.
Specifically, the structure of each member will be described:
in the invention, the power frame 11 of the frame structure is integrally arranged outside the driving power table 1, and as shown in fig. 2 and 3, the power frame is provided with a driving wheel and a traction power mechanism 14.
The driving wheel is arranged in the power frame, the traction power mechanism 14 is arranged at the top structure of the power frame 11 and is connected to the wheel axle of the driving wheel through a transmission mechanism, and the wheel axle of the driving wheel is arranged on the power frame through a bearing structure.
The traction power mechanism 14 is a motor for driving the driving wheel to rotate. For measuring the output torque, a torque sensor 15 is provided on the gear mechanism. The traction power mechanism can be replaced when different products are tested, and a test environment is provided for the use of the novel motor.
The traction power mechanism 14 on the driving power table 1 has two arrangement forms, one is a direct connection structure, and the other is connected with a driving wheel through a transmission mechanism.
The structure of the adjusting test bench 2 is as shown in fig. 4 and 5, and the adjusting test bench comprises an adjusting rack 21, a wheel set mounting rack 22, a wheel set rail 23, a hauling rope grasper 24 and a hauling tension sensor 25, wherein the wheel set mounting rack 22 is arranged on the rail, the wheel set mounting rack 22 is movable on the rail, the wheel set mounting rack 22 is provided with a testing support wheel and a testing pinch roller, the hauling rope grasper 24 is provided with a gripper for grasping the hauling rope, and the hauling rope grasper 24 is connected to a tensioning testing power mechanism through the hauling tension sensor 25.
The wheel set rail 23 in the adjusting test bench 2 is provided with a moving driving mechanism, the moving driving mechanism is provided with a motor at the end of the rail, the wheel set mounting rack 22 is arranged on the moving driving mechanism, and the motor drives the wheel set mounting rack 22 to move along the rail through the moving driving mechanism.
The supporting wheels and the test pressing wheels on the wheel set mounting frame 22 are provided with wheel set lifting mechanisms, the wheel set lifting mechanisms drive the supporting wheels and the test pressing wheels to lift along the height of the wheel set mounting frame 22, the traction rope grasper 24 and the traction tension sensor 25 are arranged on a transverse rail, a transverse moving mechanism is arranged on the transverse rail, and the transverse moving mechanism drives the tensioning test power mechanism to move along the transverse rail.
The height and the position of the test supporting wheels and the test pressing wheels in the test bench 2 can be adjusted to be changed, and the height is realized through the wheel set lifting mechanism on the wheel set mounting frame 22, so that the state of the aerial passenger device in the inclined state at the positions of the roadways with different heights can be simulated. The movable driving mechanism and the wheel set lifting mechanism work together to truly simulate the state of the traction rope in the inclined state.
The pull-rope grasper 24 can move left and right by the transverse moving mechanism, simulating the state of the pull-rope at the turning position. Can be used for testing the change of traction force with the haulage rope syntropy to the influence to traction force when different tight circumstances of rising and tunnel slope change.
The pull-cord loading station 3 of the present invention, as shown in fig. 6 and 7, is used to simulate a manned situation. The structure is provided with a loading frame 31, a plurality of supporting wheels, a loading wheel 33 and a loading counterweight 34, a traction rope is arranged on the supporting wheels, the loading wheel 33 is arranged above the traction rope, a wheel frame of the loading wheel 33 is provided with the loading counterweight 34, and a loading pressure sensor is arranged between the loading counterweight 34 and the wheel frame. The loading pressure sensor can monitor the weight of the loading counterweight from time to time.
Each group of loading counter weights 34 of the traction rope loading platform 3 is correspondingly provided with two groups of loading wheels 33, wheel carriers of the loading wheels 33 penetrate through the upper part of the traction rope loading platform 3 to be provided with loading pressure sensors and loading counter weights 34, and two ends of each loading counter weight 34 extend out of hinge shafts to be hinged to the traction rope loading platform 3.
The loading weight 34 is used for simulating the influence of the weight change of a user on the balance of the traction rope by adjusting and changing the loading weight to adjust the pressing change of the loading wheel.
As shown in fig. 8 and 9, the pull rope tensioning table 4 includes a tensioning frame 41 having a frame structure, and a tensioning wheel frame 42, a tensioning slideway 43, a tensioning rope 44, and a tensioning rope winding mechanism 45 are disposed inside the tensioning frame. The horizontal or vertical tensioning wheels are arranged on the tensioning wheel frames 42, the tensioning wheel frames 42 are arranged on the tensioning slideways 43, and the tensioning slideways 43 are two symmetrical groups.
The wheel shaft of the tension wheel is arranged in a bearing seat, the bearing seat is arranged on a sliding block, and the sliding block is arranged in a tension slideway. When the tension wheel is a horizontal wheel, the two tension slideways 43 are positioned above and below the tension wheel and fixed on the tension frame. When the tension wheel is in a vertical structure, the tension slideways are positioned at two sides of the tension wheel.
One end of the tensioning rope 44 is fixed on the tensioning wheel frame 42 through a tension sensor, and the other end is wound on the tensioning rope winding mechanism 45; the traction rope tensioning table 4 is provided with a pair of tensioning slideways 43, two sides of the tensioning wheel frame 42 are embedded into the tensioning slideways 43, the tensioning wheel frame 42 is connected to a tensioning rope 44 through a tension sensor, and the tensioning rope winding mechanism 45 is a winch. The tension rope winding mechanism 45 is used for tensioning the traction rope, and the tension sensor can detect the tension force so as to detect the traction force and the braking force of the traction rope under different tensioning degrees.
Specific aspects of the testing of the present invention include,
1, traction force test: the traction rope is not moved, the rotating speed of a motor of the traction power mechanism 14 is continuously increased until the driving wheel slides with the traction rope, and the traction tension sensor 25 records the maximum tension of the traction rope as traction force;
2, braking force test: the motor of the traction power mechanism 14 does not rotate, the tension rope winding mechanism 45 stretches the traction rope until the traction rope and the driving wheel slide relatively, and the traction tension sensor 25 records the maximum tension at the moment, namely the braking force.
The invention relates to a method for testing the performance test bed of an overhead manned device, which comprises the following test contents,
1) Installing each subsection of the overhead manned device to be tested on a driving power table 1, an adjusting test table 2, a traction rope loading table 3 and a traction rope tensioning table 4 in the device;
2) Adjusting the supporting wheels and the test pinch rollers in the test bench 2 to be lifted to a test height under the action of the wheel set lifting mechanism, and moving the wheel set mounting rack 22 to a longitudinal required position through a moving driving structure;
3) Fixing the traction rope grasper 24 to the traction rope, requiring the use environment to adjust the position of the traction rope grasper 24 on the transverse rail through the transverse moving mechanism;
4) A tensioning rope winding mechanism 45 of the traction rope tensioning platform 4 tensions a tensioning rope 44, and the tensioning rope 44 pulls a tensioning wheel to move to the outermost position on the tensioning rail;
5) Starting a traction power mechanism 14 to drive a traction rope to circularly run;
6) A loading counterweight 34 is added according to the environment, and a loading wheel 33 presses down the traction rope;
7) The torque sensor 15 monitors the output torque of the traction power mechanism 14, the traction tension sensor 25 of the traction rope grasper 24 monitors the lateral tension at all times, the loading pressure sensor monitors the loading stress state, the traction tension sensor 25 monitors the tension, and the data are recorded;
and (3) moving the mounting position of the wheel set, adjusting the heights of the supporting wheels and the test pressing wheels, changing the lateral tension of the traction rope grasper 24, changing the loading counterweight 34, monitoring at any time according to the step 7, and finishing the experiment requirement.
Claims (9)
1. A performance test bed for an overhead passenger device is characterized by comprising,
the driving power table (1) is provided with a power machine frame (11), a driving wheel and a traction power mechanism (14), the driving wheel is transversely arranged in the machine frame, the traction power mechanism (14) is connected to a wheel shaft of the driving wheel through a transmission mechanism, and a torque sensor (15) is arranged on the transmission mechanism of the driving wheel;
the adjusting test bench (2) comprises an adjusting rack (21), a wheel set mounting frame (22), a wheel set rail (23), a traction rope grasper (24) and a traction tension sensor (25), wherein the wheel set mounting frame (22) is arranged on the rail, the wheel set mounting frame (22) can move on the rail, the wheel set mounting frame (22) is provided with a test support wheel and a test pinch roller, the traction rope grasper (24) is provided with a gripper for grasping a traction rope, and the traction rope grasper (24) is connected to a tension test power mechanism through the traction tension sensor (25);
the traction rope loading platform (3) is provided with a loading rack (31), a plurality of supporting wheels, a loading wheel (33) and a loading counterweight (34), the traction rope is arranged on the supporting wheels, the loading wheel (33) is arranged above the traction rope, the wheel carrier of the loading wheel (33) is provided with the loading counterweight (34), and a loading pressure sensor is arranged between the loading counterweight (34) and the wheel carrier.
2. The performance test bed of the aerial passenger device according to claim 1, further comprising a traction rope tensioning table (4) which comprises a tensioning frame (41), wherein a tensioning wheel frame (42), a tensioning slideway (43), a tensioning rope (44) and a tensioning rope winding mechanism (45) are arranged inside the traction rope tensioning table, the horizontal or vertical tensioning wheel is arranged on the tensioning wheel frame (42), the tensioning wheel frame (42) is arranged on the tensioning slideway (43), one end of the tensioning rope (44) is fixed to the tensioning wheel frame (42) through a tension sensor, and the other end of the tensioning rope (44) is wound on the tensioning rope winding mechanism (45).
3. The overhead passenger device performance test bed according to claim 2, wherein the wheelset track (23) in the adjusting test bed (2) is provided with a moving driving mechanism, the moving driving mechanism is provided with an electric motor at the end of the track, the wheelset mounting rack (22) is arranged on the moving driving mechanism, and the electric motor drives the wheelset mounting rack (22) to move along the track through the moving driving mechanism.
4. The aerial passenger device performance test bed according to claim 1 or 2, wherein the supporting wheels and the test pinch rollers on the wheel set mounting frame (22) are provided with wheel set lifting mechanisms, the wheel set lifting mechanisms drive the supporting wheels and the test pinch rollers to lift along the height of the wheel set mounting frame (22), the traction rope grasper (24) and the traction tension sensor (25) are arranged on a transverse rail, the transverse rail is provided with a transverse moving mechanism, and the transverse moving mechanism drives the tension test power mechanism to move along the transverse rail.
5. The overhead manned device performance test bed according to claim 2, wherein the traction power mechanism (14) on the driving power table (1) is arranged in two ways, namely a horizontal type and a vertical type, and the traction power mechanism (14) is a detachable structure and is used for installing a motor to be tested.
6. The overhead manned device performance test bed according to claim 1, wherein each group of loading weights (34) of the haulage rope loading platform (3) is correspondingly provided with two groups of loading wheels (33), wheel carriers of the loading wheels (33) penetrate through the upper part of the haulage rope loading platform (3) to be provided with loading pressure sensors and loading weights (34), and two ends of each loading weight (34) extend out of hinge shafts to be hinged to the haulage rope loading platform (3).
7. The performance test bed of the aerial passenger device according to claim 2, wherein the hauling rope tensioning table (4) is provided with a pair of tensioning slideways (43), two sides of the tensioning wheel frame (42) are embedded into the tensioning slideways (43), and the tensioning wheel frame (42) is connected to the tensioning ropes (44) through a tension sensor.
8. A method for testing the performance test stand of the overhead man-machine apparatus according to claims 2 to 7,
1) installing each subsection of an aerial passenger device to be tested on a driving power table (1), an adjusting test table (2), a traction rope loading table (3) and a traction rope tensioning table (4) in the device;
2) Adjusting supporting wheels and test pressing wheels in the test bench (2) to be lifted to a test height under the action of a wheel set lifting mechanism, and moving the wheel set mounting rack (22) to a longitudinal required position through a moving driving structure;
3) Fixing a traction rope grasper (24) on a traction rope, and adjusting the position of the traction rope grasper (24) on a transverse rail through a transverse moving mechanism according to a tunnel turning simulation using environment;
4) A tensioning rope winding mechanism (45) of the traction rope tensioning platform (4) tensions a tensioning rope (44), and the tensioning rope (44) pulls a tensioning wheel to move to the outermost position on a tensioning rail;
5) Starting a traction power mechanism (14) to drive the traction rope to circularly run;
6) A loading counterweight (34) is added according to the use of the environment, and a loading wheel (33) presses down the traction rope;
7) The torque sensor (15) monitors the output torque of the traction power mechanism (14), the traction tension sensor (25) of the traction rope grasper (24) monitors the lateral tension at all times, the loading pressure sensor monitors the loading stress state, the traction tension sensor (25) monitors the tension, and the data are recorded;
8) And (3) moving the mounting position of the wheel set, adjusting the heights of the supporting wheels and the test pressing wheels, changing the lateral tension of the traction rope grasper (24), changing the loading counterweight (34), monitoring at any time according to the step (7), and finishing the experiment requirement.
9. A method for testing the performance test bed of the overhead man-machine apparatus according to claims 2-7, comprising,
1) And (3) testing the traction force: the traction rope is not moved, the rotating speed of a motor of the traction power mechanism (14) is continuously increased until the driving wheel slides with the traction rope, and the traction force sensor (25) records the maximum tension of the traction rope, namely the traction force;
2) And (3) testing the braking force: the motor of the traction power mechanism (14) does not rotate, the tensioning rope winding mechanism (45) stretches the traction rope until the traction rope and the driving wheel slide relatively, and the traction tension sensor (25) records the maximum tension at the moment, namely the braking force.
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