CN115824686B - Performance test bed of overhead manned device and testing method - Google Patents
Performance test bed of overhead manned device and testing method Download PDFInfo
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- CN115824686B CN115824686B CN202211621213.7A CN202211621213A CN115824686B CN 115824686 B CN115824686 B CN 115824686B CN 202211621213 A CN202211621213 A CN 202211621213A CN 115824686 B CN115824686 B CN 115824686B
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Abstract
The invention relates to a performance test bed of an overhead man-riding device and a testing method, and belongs to mining equipment testing equipment. The invention relates to a performance test bed of an overhead manned device, which comprises a driving power bed, a driving wheel and a traction power mechanism, wherein the driving power bed is provided with a frame, the driving wheel is transversely arranged in the frame, the traction power mechanism is connected with a wheel shaft of the driving wheel through a transmission mechanism, and the transmission mechanism is provided with a torque sensor; the adjusting test board comprises a wheel set mounting frame, a wheel set track, a traction rope grasper and a traction tension sensor, wherein the wheel set mounting frame is arranged on the track, the wheel set mounting frame is movable in position on the track, a test supporting wheel and a test compacting wheel are arranged on the wheel set mounting frame, the traction rope grasper is provided with a gripper for grasping the traction rope, and the traction rope grasper is connected to a tensioning test power mechanism through the traction tension sensor; the traction rope loading table is provided with a plurality of supporting wheels, loading wheels and loading weights, the traction rope is positioned on the supporting wheels, the loading wheels are positioned above the traction rope, the loading weights are arranged on wheel frames of the loading wheels, and loading pressure sensors are arranged between the loading weights and the wheel frames.
Description
Technical Field
The invention relates to a performance test bed of an overhead manned device and a testing method thereof, belonging to the testing equipment of mining equipment.
Background
The overhead man-riding device, commonly called a 'monkey car', is an important mechanical device widely applied to underground mine to realize man-carrying operation at present. The overhead man-riding 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 safety and stability of the device are greatly uncertain due to a plurality of mechanical parts and carrying links, and the safety of the device 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 man-riding device, production and research units need to conduct experiments and performance evaluation on the overhead man-riding device, and basic data are provided for equipment optimization design and performance improvement by means of experimental means. However, due to the complexity of the environment in which the overhead man-riding device is used, there is a great difficulty in acquiring data in practical engineering applications. The prior literature data show that the conventional experimental equipment of the overhead passenger device is mostly used for testing traction force and braking force to meet the delivery detection requirements, and can not perform simulation experiments such as production scene simulation and motor performance test, and the experimental effect has great limitation. Therefore, the development of the test bench for carrying performance of the aerial passenger device has good theoretical research significance and engineering practical value.
Disclosure of Invention
The invention provides a performance test bed of an overhead manned device and a testing method thereof, which solve the performance test problem of the overhead manned device.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention relates to a performance test bed of an overhead man-riding device, which comprises,
the driving power table is provided with a frame, a driving wheel and a traction power mechanism, wherein the driving wheel is transversely arranged in the frame, the traction power mechanism is connected with a wheel shaft of the driving wheel through a transmission mechanism, and a torque sensor is arranged on the transmission mechanism;
the adjusting test board comprises a wheel set mounting frame, a wheel set track, a traction rope grasper and a traction tension sensor, wherein the wheel set mounting frame is arranged on the track, the wheel set mounting frame is movable in position on the track, a test supporting wheel and a test compacting wheel are arranged on the wheel set mounting frame, the traction rope grasper is provided with a gripper for grasping the traction rope, and the traction rope grasper is connected to a tensioning test power mechanism through the traction tension sensor;
the traction rope loading table is provided with a plurality of supporting wheels, loading wheels and loading weights, the traction rope is positioned on the supporting wheels, the loading wheels are positioned above the traction rope, the loading weights are arranged on wheel frames of the loading wheels, and loading pressure sensors are arranged between the loading weights and the wheel frames.
The performance test bed of the overhead manned device further comprises a traction rope tensioning table, wherein a tensioning wheel frame, a tensioning slideway, a tensioning rope and a tensioning rope winding mechanism are arranged in the traction rope tensioning table;
according to the performance test bed of the overhead manned device, a movable driving mechanism is arranged on a track in the adjustment test bed, a motor is arranged at the end part of the track by 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 track through the movable driving mechanism.
According to the overhead manned device performance test bed, the supporting wheel and the test pinch roller on the wheel set mounting frame are provided with a wheel set lifting mechanism, the wheel set lifting mechanism drives the supporting wheel and the test pinch roller to lift up and down along the height of the wheel set mounting frame, the traction rope grasper and the traction tension sensor are arranged on a transverse track, a transverse moving mechanism is arranged on the transverse track, and the transverse moving mechanism drives the tensioning test power mechanism to move along the transverse track.
According to the performance test bed of the overhead manned device, traction power mechanisms on the driving power bed are arranged in two modes, namely direct connection and connection through a transmission mechanism, and the traction power mechanisms are of detachable structures and are used for installing motors to be tested.
According to the performance test stand of the overhead manned device, each group of loading weights of the traction rope loading stand is correspondingly provided with two groups of loading wheels, a wheel frame of each loading wheel passes through the upper part of the traction rope loading stand and is provided with a loading pressure sensor and loading weights, and two ends of each loading weight extend out of a hinge shaft to be hinged to the traction rope loading stand.
According to the performance test bed of the overhead manned device, the traction rope tensioning table is provided with a pair of tensioning slide ways, two sides of the tensioning wheel frame are embedded into the tensioning slide ways, the tensioning wheel frame is connected with the tensioning rope through a tension sensor, and the tensioning rope winding mechanism is a winch.
The invention relates to a method for testing a performance test bed of an overhead man-riding device, which comprises the following steps of 1) installing all sub-parts of the overhead man-riding device to be tested on a driving power bed, an adjustment test bed, a traction rope loading bed and a traction rope tensioning bed in the device;
2) The supporting wheels and the test compression wheels in the test table are adjusted to be lifted to a test height under the action of the wheel set lifting mechanism, and the wheel set mounting frame is moved to a longitudinal required position through the movable driving structure;
3) Fixing the traction rope grasper on the traction rope, wherein the use environment is required to adjust the position of the traction rope grasper on the transverse track through the transverse moving mechanism;
4) The tensioning rope winding mechanism of the traction rope tensioning table tightens the tensioning rope, and the tensioning rope pulls the tensioning wheel to move to the outermost position on the tensioning track;
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 a 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, the traction tension sensor 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 wheel and the test pressing wheel, changing the lateral tension of the traction rope grasper, changing the loading counterweight, and monitoring in real time according to the step (7) to finish the experiment requirement.
The invention relates to a method for testing a performance test bed of an overhead man-riding device, which is characterized by comprising the following steps of,
1) Traction force test: the traction rope is fixed, the motor of the traction power mechanism continuously increases the rotating speed until sliding occurs between the driving wheel and the traction rope, and the traction force sensor records the maximum tension of the traction rope as the traction force;
2) Braking force test: the motor of the traction power mechanism does not rotate, the tension rope winding mechanism stretches the traction rope until relative sliding occurs between the traction rope and the driving wheel, and the traction tension sensor records the maximum tension at the moment as the braking force.
The invention can complete the tests of empty load, carrying performance under load, motor performance and the like of the overhead man-riding device, and provides an experimental platform for product delivery detection and product optimization and lifting.
The test items can carry out bearing change, so that the use environment of the site is fully simulated;
experimental data is provided for the research and development of new products, and more direct tests can be carried out on the existing products so as to invent the problems in the products.
Drawings
Figure 1 is an overall block diagram of the invention,
figure 2 is a side view of the drive power station 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 adjustment test station of the present invention,
figure 5 is a top view of the adjustment test station of the present invention,
figure 6 is a side view of the traction rope loading bay of the present invention,
figure 7 is a top view of the traction rope loading block of the present invention,
fig. 8 is a drawing of a traction rope tensioning table of the present invention, a side view of the zone,
fig. 9 is a top view of the traction rope tensioning table of the present invention,
reference numerals: 1. a driving power table 11, a power machine frame 12, driving wheels 14, a traction power mechanism 15, a torque sensor 16 and a transmission mechanism,
2. the device comprises an adjustment test table, 21, an adjustment frame, 22, a wheel group mounting frame, 221 test supporting wheels 222, a test compression wheel 23, a wheel group rail, 24, a traction rope grasper, 25, a traction tension sensor, 26, a wheel group lifting mechanism, 27, a movement driving mechanism, 28, a transverse rail, 29, a transverse driving mechanism, 3, a traction rope loading table, 31, a loading frame, 32, a loading supporting wheel, 33, a loading wheel, 34, a loading counterweight, 4, a traction rope tensioning table, 41, a tensioning frame, 42, a tensioning wheel frame, 43, a tensioning slideway, 44, a tensioning rope, 45, a tensioning rope winding mechanism, 46, a horizontal tensioning wheel, 47 a vertical tensioning wheel 48 tensioning tension sensor and 5 traction ropes.
Detailed Description
The following further describes the details of the present invention:
the performance test bed of the overhead man-riding device is used for carrying out experiments and performance evaluation on the operation safety and stability of the overhead man-riding device, and provides basic data for equipment optimization design and performance improvement by means of an experimental means.
The test bed comprises four main 4 parts, wherein each part is as follows: 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 haulage rope loading table is used for simulating a person to ride on the haulage rope to apply vertical pressure;
the traction rope tensioning table is used for tensioning the traction rope and providing friction force for carrying the overhead man-riding device.
The structure of each component is specifically described:
in the invention, the outside of the driving power table 1 is integrally provided with a power frame 11 with a frame structure, 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 on the top structure of the power frame 11 and is connected with 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 rotation of the driving wheel. For measuring the output torque, a torque sensor 15 is provided on the transmission. The traction power mechanism can be replaced when testing different products, and a testing environment is provided for the use of the novel motor.
The traction power mechanism 14 on the driving power table 1 is in two arrangement forms, one is in a direct connection structure, and the other is connected with the driving wheel through a transmission mechanism.
The structure of the adjustment test board 2 is shown in fig. 4 and 5, and comprises an adjustment rack 21, a wheel set mounting frame 22, a wheel set track 23, a traction rope grasping device 24 and a traction tension sensor 25, wherein the wheel set mounting frame 22 is arranged on the track, the wheel set mounting frame 22 is movable in position on the track, a test supporting wheel and a test compression wheel are arranged on the wheel set mounting frame 22, the traction rope grasping device 24 is provided with a gripper for grasping a traction rope, and the traction rope grasping device 24 is connected to a tensioning test power mechanism through the traction tension sensor 25.
The wheel set track 23 in the adjustment test bench 2 is provided with a movable driving mechanism, a motor is arranged at the end part of the track of the movable driving mechanism, the wheel set mounting frame 22 is arranged on the movable driving mechanism, and the motor drives the wheel set mounting frame 22 to move along the track through the movable driving mechanism.
The supporting wheel and the test pinch roller on the wheel set mounting frame 22 are provided with a wheel set lifting mechanism, the wheel set lifting mechanism drives the supporting wheel and the test pinch roller to lift up and down along the height of the wheel set mounting frame 22, the haulage rope grasper 24 and the haulage tension sensor 25 are arranged on a transverse track, the transverse track is provided with a transverse moving mechanism, and the transverse moving mechanism drives the tensioning test power mechanism to move along the transverse track.
The heights and positions of the test supporting wheels and the test compacting wheels in the adjustment test bench 2 can be changed, and the height is realized through a wheel set lifting mechanism on the wheel set mounting frame 22 so as to simulate the state of the overhead man-riding device when the positions of different height roadways incline. The movable driving mechanism and the wheel group lifting mechanism work together to truly simulate the state of the traction rope in the inclined state.
The traction rope gripper 24 can move left and right under the action of the transverse moving mechanism, and simulates the state of the traction rope in the turning position. The device can be used for testing the change of traction force when the device is in the same direction with the traction rope so as to influence the traction force under different tensioning conditions and roadway inclination changes.
The traction rope loading block 3 of the present invention, as shown in fig. 6 and 7, is used for simulating a manned situation. The structure is provided with a loading rack 31, a plurality of supporting wheels, a loading wheel 33 and a loading counterweight 34, wherein the traction rope is positioned on the supporting wheels, the loading wheel 33 is positioned above the traction rope, the loading counterweight 34 is arranged on the wheel frame of the loading wheel 33, 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 weights 34 of the traction rope loading table 3 is correspondingly provided with two groups of loading wheels 33, a wheel frame of each loading wheel 33 passes through the upper part of the traction rope loading table 3 to be provided with a loading pressure sensor and the loading weights 34, and two ends of each loading weight 34 extend out of a hinge shaft to be hinged with the traction rope loading table 3.
The load weight 34 is used to simulate the effect of a user's weight change on the traction rope balance by adjusting the change in the load weight to adjust the change in the depression of the load wheel.
As shown in fig. 8 and 9, the traction rope tensioning table 4 comprises a tensioning frame 41 with 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 arranged in 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 slide ways 43, and the tensioning slide ways 43 are symmetrically arranged in two groups.
The wheel axle of the tensioning wheel is arranged in a bearing seat, the bearing seat is arranged on a sliding block, and the sliding block is arranged in a tensioning slideway. When the tension roller is a horizontal roller, the two tension slide ways 43 are positioned above and below the tension roller, and the tension slide ways are fixed on the tension frame. When the tension roller is of a vertical structure, the tension slide ways are positioned on two sides of the tension roller.
One end of a tensioning rope 44 is fixed on the tensioning wheel frame 42 through a tension sensor, and the other end is wound on a tensioning rope winding mechanism 45; the traction rope tensioning table 4 is provided with a pair of tensioning slide ways 43, two sides of a tensioning wheel frame 42 are embedded into the tensioning slide ways 43, the tensioning wheel frame 42 is connected with 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 be used for detecting the tension of the tension rope so as to detect the traction force and braking force conditions of the traction rope under different tension degrees.
The specific content of the test of the present invention includes,
1 traction test: the traction rope is fixed, the motor of the traction power mechanism 14 continuously increases the rotating speed until sliding occurs between the driving wheel and the traction rope, and the traction force 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 relative sliding occurs between the traction rope and the driving wheel, and the traction tension sensor 25 records the maximum tension at the moment as the braking force.
The invention relates to a method for testing a performance test bed of an overhead man-riding device, which comprises the following test contents,
1) Each subsection of the overhead man-riding device to be tested is arranged 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) The supporting wheels and the test compression wheels in the test table 2 are adjusted to be lifted to a test height under the action of the wheel set lifting mechanism, and the wheel set mounting frame 22 is moved to a longitudinal required position through the moving driving structure;
3) Fixing the hauling cable gripper 24 to the hauling cable requires the use environment to adjust the position of the hauling cable gripper 24 on the transverse track through the transverse moving mechanism;
4) The tensioning rope winding mechanism 45 of the traction rope tensioning table 4 tightens the tensioning rope 44, and the tensioning rope 44 pulls the tensioning wheel to move to the outermost position on the tensioning track;
5) Starting a traction power mechanism 14 to drive the traction rope to circularly run;
6) Adding a loading counterweight 34 according to the environment, and pressing down the traction rope by the loading wheel 33;
7) The torque sensor 15 monitors the output torque of the traction power mechanism 14, the traction force sensor 25 of the traction rope grasper 24 monitors the lateral tension from time to time, the loading pressure sensor monitors the loading stress state, the traction force sensor 25 monitors the tension force, and the data are recorded;
and (3) moving the mounting position of the wheel set, adjusting the heights of the supporting wheel and the test pressing wheel, changing the lateral tension of the traction rope grasper 24, changing the loading counterweight 34, and monitoring in real time according to the step (7) to finish the experiment requirement.
Claims (8)
1. A performance test bed for an overhead man-riding device is characterized by comprising,
the driving power table (1) is provided with a power frame (11), driving wheels and a traction power mechanism (14), the driving wheels are transversely arranged in the frame, the traction power mechanism (14) is connected with a wheel shaft of the driving wheels through a transmission mechanism, and a torque sensor (15) is arranged on the transmission mechanism of the driving wheels;
the adjusting test bench (2) comprises an adjusting rack (21), a wheel set mounting frame (22), a wheel set track (23), a traction rope grasper (24) and a traction tension sensor (25), wherein the wheel set mounting frame (22) is arranged on the track, the wheel set mounting frame (22) is movable in position on the track, a test supporting wheel and a test compacting wheel are arranged on the wheel set mounting frame (22), the traction rope grasper (24) is provided with a grasping hand for grasping a traction rope, and the traction rope grasper (24) is connected to a tensioning test power mechanism through the traction tension sensor (25);
the traction rope loading table (3) is provided with a loading rack (31), a plurality of supporting wheels, a loading wheel (33) and a loading counterweight (34), wherein the traction rope is positioned on the supporting wheels, the loading wheel (33) is positioned above the traction rope, the loading counterweight (34) is arranged on a wheel frame of the loading wheel (33), and a loading pressure sensor is arranged between the loading counterweight (34) and the wheel frame;
the traction rope tensioning table (4) comprises a tensioning frame (41), a tensioning wheel frame (42), a tensioning slide way (43), a tensioning rope (44) and a tensioning rope winding mechanism (45) are arranged in the tensioning frame, a horizontal or vertical tensioning wheel is arranged on the tensioning wheel frame (42), the tensioning wheel frame (42) is arranged on the tensioning slide way (43), one end of the tensioning rope (44) is fixed on the tensioning wheel frame (42) through a tension sensor, and the other end of the tensioning rope is wound on the tensioning rope winding mechanism (45).
2. The performance test stand of the overhead man-riding device according to claim 1, wherein a wheel set track (23) in the adjustment test stand (2) is provided with a moving driving mechanism, the moving driving mechanism is provided with a motor at the end of the track, the wheel set mounting frame (22) is arranged on the moving driving mechanism, and the motor drives the wheel set mounting frame (22) to move along the track through the moving driving mechanism.
3. The overhead man-riding device performance test bed according to claim 1, wherein the supporting wheels and the test compacting wheels on the wheel set mounting frame (22) are provided with a wheel set lifting mechanism, the wheel set lifting mechanism drives the supporting wheels and the test compacting wheels to lift up and down along the height of the wheel set mounting frame (22), the haulage rope grasper (24) and the haulage tension sensor (25) are arranged on a transverse track, and the transverse track is provided with a transverse moving mechanism, and the transverse moving mechanism drives the tension test power mechanism to move along the transverse track.
4. The performance test stand of an overhead man-riding device according to claim 1, characterized in that the traction power mechanism (14) on the driving power stand (1) is arranged in two ways, namely horizontal and vertical, and the traction power mechanism (14) is of a detachable structure and is used for installing a motor to be tested.
5. The performance test bed of the overhead man riding device according to claim 1, wherein each group of loading weights (34) of the traction rope loading platform (3) is correspondingly provided with two groups of loading wheels (33), a wheel frame of the loading wheels (33) passes through the upper part of the traction rope loading platform (3) and is provided with a loading pressure sensor and the loading weights (34), and two ends of the loading weights (34) extend out of hinge shafts to be hinged to the traction rope loading platform (3).
6. The performance test stand for the overhead man-riding device according to claim 1, wherein the traction rope tensioning table (4) is provided with a pair of tensioning slide ways (43), two sides of the tensioning wheel frame (42) are embedded into the tensioning slide ways (43), and the tensioning wheel frame (42) is connected with the tensioning rope (44) through a tension sensor.
7. A method for testing the performance test stand of an overhead man-riding device according to any one of claims 1-6, wherein,
1) each subsection of the overhead man-riding device to be tested is arranged 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) The supporting wheels and the test compression wheels in the test table (2) are adjusted to be lifted to a test height under the action of the wheel set lifting mechanism, and the wheel set mounting frame (22) is moved to a longitudinal required position through the moving driving structure;
3) Fixing a haulage rope grasper (24) on the haulage rope, and adjusting the position of the haulage rope grasper (24) on a transverse track through a transverse moving mechanism according to a roadway turning simulation service environment;
4) A tensioning rope winding mechanism (45) of the traction rope tensioning table (4) tightens the tensioning rope (44), and the tensioning rope (44) pulls the tensioning wheel to move to the outermost position on the tensioning track;
5) Starting a traction power mechanism (14) to drive the traction rope to circularly run;
6) Adding a loading counterweight (34) according to the environment, and pressing down the traction rope by a loading wheel (33);
7) The torque sensor (15) monitors the output torque of the traction power mechanism (14), the traction force 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 force sensor (25) monitors the tension force, and the data are recorded;
8) And (3) moving the mounting position of the wheel set, adjusting the heights of the supporting wheel and the test pressing wheel, changing the lateral tension of the traction rope grasper (24), changing the loading counterweight (34), and monitoring in real time according to the step (7) to finish the experiment requirement.
8. A method of testing an overhead man device performance test bed according to any one of claims 1 to 6, comprising,
1) Traction force test: the traction rope is fixed, the motor of the traction power mechanism (14) continuously increases the rotating speed until sliding occurs between the driving wheel and the traction rope, and the traction force sensor (25) records the maximum tension of the traction rope as the 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 relative sliding occurs between the traction rope and the driving wheel, and the maximum pulling force at the moment is recorded by the traction force sensor (25), namely the braking force.
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| CN115824686A (en) | 2023-03-21 |
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