Double drive double station roller fatigue testing machine

Abstract

The utility model provides a double-drive double-station roller fatigue testing machine, which relates to the technical field of fatigue testing machines and comprises a hydraulic station, wherein a frame is arranged on one side of the hydraulic station, a pipeline system is arranged on the output end of the frame, and an electrical control cabinet is arranged on one side of the frame; the device realizes double-station testing by setting an active wheel testing station and a passive wheel testing station, and the active roller and the passive roller can be tested simultaneously without affecting each other, thereby directly improving the testing efficiency; in addition, the device is respectively provided with a first temperature testing sensor, a first displacement sensor, a first force sensor, a second temperature testing sensor, a second force sensor and a second displacement sensor in the active wheel testing station and the passive wheel testing station, thereby realizing force testing setting, displacement deformation testing, temperature monitoring, speed setting, simulated walking mileage setting, stronger practicality, and more comprehensive detection results.

Description

Technical Field

[0001] The utility model relates to the technical field of fatigue testing machines, in particular to a double-drive double-station roller fatigue testing machine. Background Art

[0002] The dual-drive dual-station roller fatigue testing machines currently on the market and produced by our company are all for performance fatigue testing of roller products. Ordinary roller fatigue testing machines are only used as passive wheel tests, not as driving wheel tests. Ordinary roller fatigue testing machines are only single-station and have low testing efficiency. Ordinary roller fatigue testing machines only have speed and force sensors, but no other sensors. They cannot achieve accurate measurement of temperature, displacement and deformation. The market and enterprises need new products that solve the above deficiencies.

[0003] In the prior art, the existing dual-drive dual-station roller fatigue testing machine has a single station and low operating efficiency, which cannot improve the testing efficiency and is a pain point for enterprises. The ordinary roller fatigue testing machine is only used as a passive wheel test, not as a driving wheel test, and cannot perform driving force and driving wheel tests. This function cannot be achieved. In addition, the ordinary roller fatigue testing machine only has speed and force sensors, but no other sensors. It is impossible to achieve accurate measurement of temperature, displacement and deformation, and the performance is defective. Utility Model Content

[0004] The utility model mainly provides a double-drive double-station roller fatigue testing machine which has high operating efficiency, can be used as a driving wheel test, is equipped with other sensors, and can realize accurate measurement of temperature, displacement and deformation.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a dual-drive double-station roller fatigue testing machine, including a hydraulic station, a frame is provided on one side of the hydraulic station, a pipeline system is provided at the output end of the frame, an electrical control cabinet is provided on one side of the frame, an active roller motor is installed at the top of the frame, a passive roller motor is installed at the top of the frame located on the side of the active roller motor, a large passive wheel is provided at the output end of the passive roller motor, the output end of the passive roller motor is located on one side of the large passive wheel and an active roller test station is provided, and a passive roller test station is provided on the other side of the large passive wheel.

[0006] Preferably, a first encoder is installed at one end of the active roller motor, a first screw is installed at the output end of the active roller motor, an end of the first screw away from the active roller motor is installed with a driving wheel shaft installed at the output end of the first motor, and a driving wheel body is installed on the outer wall of the driving wheel shaft. The rotation of the first motor can drive the driving wheel body to be tested to be tested, and one of the test results can be obtained through the first encoder.

[0007] Preferably, the driving wheel body is arranged between the large passive wheel and the active roller test station, a first temperature test sensor is installed at one end of the active roller test station facing the driving wheel body, a first displacement sensor is installed at one side of the active roller test station, a first force sensor is installed at one end of the active roller test station away from the first temperature test sensor, and a driving wheel hydraulic cylinder is installed at one side of the first force sensor. The driving wheel body is detected in real time by means of the first temperature test sensor, the first displacement sensor and the first force sensor, and the detection result is more comprehensive.

[0008] Preferably, a second screw is installed at the output end of the passive roller motor, and a second motor is installed at the end of the second screw away from the passive roller motor. The output end of the second motor passes through the large passive wheel and is installed with a second encoder. The large passive wheel is fixed to the output end of the second motor. The operation of the second motor can drive the large passive wheel to rotate, which is convenient for subsequent detection.

[0009] Preferably, the passive roller test station is located on the side facing the large passive wheel and is rotatably connected to a passive wheel axle, and a passive wheel body is installed on the outer wall of the passive wheel axle. The rotation of the passive wheel axle can drive the passive wheel body to rotate, thereby facilitating the detection of the passive wheel body.

[0010] Preferably, a second temperature test sensor is installed at the end of the passive roller test station facing the passive wheel body, a second displacement sensor is installed at one side of the passive roller test station, a second force sensor is installed at the end of the passive roller test station away from the second temperature test sensor, a passive wheel hydraulic cylinder is installed at one side of the second force sensor, and the output end of the passive wheel hydraulic cylinder is connected to the second force sensor. By setting the second temperature test sensor, the second force sensor and the second displacement sensor, the passive wheel body can be detected in real time, and the detection result is more comprehensive.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] In the utility model, the device realizes double-station testing by setting up an active wheel test station and a passive wheel test station. From then on, the active roller can simulate the working condition and carry out testing. Compared with other competing manufacturers, they do not have this condition and leave the competing manufacturers far behind. Double-station testing is realized. The active roller and the passive roller can be tested at the same time without affecting each other, which directly improves the test efficiency. In addition, the device is respectively provided with a first temperature test sensor, a first displacement sensor, a first force sensor, a second temperature test sensor, a second force sensor and a second displacement sensor in the active wheel test station and the passive wheel test station, realizing force test setting, displacement deformation test, temperature monitoring, speed setting, simulated walking mileage setting, and determining the durability, life, wear and other important performance indicators of the roller. The indicators are comprehensive and accurate, more practical, and the detection results are more comprehensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A three-dimensional diagram of a double-drive double-station roller fatigue testing machine proposed for the utility model;

[0014] Figure 2 A three-dimensional diagram of a double-drive double-station roller fatigue testing machine proposed for the utility model;

[0015] Figure 3 The utility model provides a cross-sectional view of a double-drive double-station roller fatigue testing machine.

[0016] Legend: 1. Hydraulic station; 2. Pipeline system; 3. Active roller test station; 4. Large passive wheel; 5. Passive roller test station; 6. Frame; 7. Active roller motor; 8. Passive roller motor; 9. Electrical control cabinet; 301. Active wheel shaft; 302. Active wheel body; 303. First motor; 304. First screw; 306. Active wheel hydraulic cylinder; 308. First temperature test sensor; 309. First displacement sensor; 310. First force sensor; 311. First encoder; 501. Passive wheel shaft; 502. Passive wheel body; 503. Second motor; 504. Second screw; 506. Passive wheel hydraulic cylinder; 508. Second temperature test sensor; 509. Second displacement sensor; 510. Second force sensor; 511. Second encoder. DETAILED DESCRIPTION

[0017] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0018] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0019] See also Figure 1-Figure 3 The utility model provides a technical solution: a double-drive double-station roller fatigue testing machine, comprising a hydraulic station 1, a frame 6 is provided on one side of the hydraulic station 1, a pipeline system 2 is provided at the output end of the frame 6, an electrical control cabinet 9 is provided on one side of the frame 6, an active roller motor 7 is installed at the top of the frame 6, a passive roller motor 8 is installed at the top of the frame 6 on the side of the active roller motor 7, a large passive wheel 4 is provided at the output end of the passive roller motor 8, an active roller test station 3 is provided on one side of the large passive wheel 4, and a passive roller test station 5 is provided on the other side of the large passive wheel 4.

[0020] like Figure 1-3 As shown, a first encoder 311 is installed at one end of the active roller motor 7, a first screw 304 is installed at the output end of the active roller motor 7, an end of the first screw 304 away from the active roller motor 7 is installed with a first motor 303 and an active wheel shaft 301 is installed at the output end, and a driving wheel body 302 is installed on the outer wall of the driving wheel shaft 301. The rotation of the first motor 303 can drive the active wheel body 302 to be tested to be tested, and one of the test results can be obtained through the first encoder 311.

[0021] like Figure 1-3 As shown, the driving wheel body 302 is arranged between the large passive wheel 4 and the active roller test station 3, and a first temperature test sensor 308 is installed at one end of the active roller test station 3 facing the driving wheel body 302, and a first displacement sensor 309 is installed at one side of the active roller test station 3, and a first force sensor 310 is installed at one end of the active roller test station 3 away from the first temperature test sensor 308, and a driving wheel hydraulic cylinder 306 is installed at one side of the first force sensor 310. The first temperature test sensor 308, the first displacement sensor 309 and the first force sensor 310 are used to perform real-time detection of the driving wheel body 302, and the detection result is more comprehensive.

[0022] like Figure 1-3As shown, a second screw 504 is installed at the output end of the passive roller motor 8, and a second motor 503 is installed at one end of the second screw 504 away from the passive roller motor 8. The output end of the second motor 503 passes through the large passive wheel 4 and is installed with a second encoder 511. The large passive wheel 4 is fixed to the output end of the second motor 503. Through the operation of the second motor 503, the large passive wheel 4 can be driven to rotate, which is convenient for subsequent detection.

[0023] like Figure 1-3 As shown, the passive roller test station 5 is located on the side facing the large passive wheel 4 and is rotatably connected to a passive wheel shaft 501. A passive wheel body 502 is installed on the outer wall of the passive wheel shaft 501. The rotation of the passive wheel shaft 501 can drive the passive wheel body 502 to rotate, thereby facilitating the detection of the passive wheel body 502.

[0024] like Figure 1-3 As shown, a second temperature test sensor 508 is installed at one end of the passive roller test station 5 facing the passive wheel body 502, a second displacement sensor 509 is installed at one side of the passive roller test station 5, a second force sensor 510 is installed at one end of the passive roller test station 5 away from the second temperature test sensor 508, a passive wheel hydraulic cylinder 506 is installed at one side of the second force sensor 510, and the output end of the passive wheel hydraulic cylinder 506 is connected to the second force sensor 510. By setting the second temperature test sensor 508, the second force sensor 510 and the second displacement sensor 509, the passive wheel body 502 is detected in real time, and the detection result is more comprehensive.

[0025] The use method and working principle of this device are as follows: when it is necessary to test the driving wheel body 302, use a small balancing crane or two people to remove the driving wheel shaft 301 from the driving roller test station 3, install the driving wheel body 302 to be tested outside the machine, and install the installed driving wheel shaft 301 and the tested driving wheel body 302 assembly into the driving roller test station 3 in the middle position of the driving wheel shaft 301. Align and lock the coupling at this end of the first motor 303, lock the first screw 304, start the driving roller motor 7, and the driving wheel body 302 rotates. Start the driving wheel hydraulic cylinder 306, and under the set load force, press the driving wheel body 302 onto the large passive wheel 4, and the driving wheel body 302 drives the large passive wheel 4 to rotate, and perform a simulated working condition test. The first temperature test sensor 308, the first displacement sensor 309, the first force sensor 310, and the first encoder 311 perform real-time testing.

[0026] When it is necessary to detect the passive wheel body 502, use a small balancing crane or two people to remove the passive wheel shaft 501 from the passive roller test station 5 and install it outside the machine. To test the passive wheel body 502, place the installed passive wheel shaft 501 and the passive wheel body 502 to be tested in the middle position of the passive wheel shaft 501, and install it into the passive roller test station 5 by a small balancing crane or two people, align and lock the coupling at this end of the second motor 503 driven by the passive wheel, lock the second screw 504, start the passive roller motor 8, and rotate the large passive wheel 4. Start the passive wheel hydraulic cylinder 506, and under the set load force, press the passive wheel body 502 onto the large passive wheel 4, and the large passive wheel 4 drives the passive wheel body 502 to rotate, and perform a simulated working condition test. The second temperature test sensor 508, the second displacement sensor 509, the second force sensor 510, and the second encoder 511 perform real-time testing.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A double-drive double-station roller fatigue testing machine, comprising a hydraulic station (1), characterized in that: A frame (6) is provided on one side of the hydraulic station (1), a pipeline system (2) is provided at the output end of the frame (6), an electrical control cabinet (9) is provided on one side of the frame (6), an active roller motor (7) is installed at the top end of the frame (6), a passive roller motor (8) is installed at the top end of the frame (6) on one side of the active roller motor (7), a large passive wheel (4) is provided at the output end of the passive roller motor (8), an active roller test station (3) is provided on one side of the large passive wheel (4), and a passive roller test station (5) is provided on the other side of the large passive wheel (4).

2. The dual-drive dual-station roller fatigue testing machine according to claim 1 is characterized in that: A first encoder (311) is installed at one end of the active roller motor (7), a first screw (304) is installed at the output end of the active roller motor (7), an end of the first screw (304) away from the active roller motor (7) is installed with a first motor (303), an output end of the first screw (304) is installed with a driving wheel shaft (301), and a driving wheel body (302) is installed on the outer wall of the driving wheel shaft (301).

3. The dual-drive dual-station roller fatigue testing machine according to claim 2 is characterized in that: The driving wheel body (302) is arranged between the large passive wheel (4) and the driving roller test station (3); a first temperature test sensor (308) is installed at one end of the driving roller test station (3) facing the driving wheel body (302); a first displacement sensor (309) is installed at one side of the driving roller test station (3); a first force sensor (310) is installed at one end of the driving roller test station (3) away from the first temperature test sensor (308); and a driving wheel hydraulic cylinder (306) is installed at one side of the first force sensor (310).

4. The dual-drive dual-station roller fatigue testing machine according to claim 1 is characterized in that: A second screw (504) is installed at the output end of the passive roller motor (8); a second motor (503) is installed at one end of the second screw (504) away from the passive roller motor (8); the output end of the second motor (503) passes through the large passive wheel (4) and is installed with a second encoder (511); the large passive wheel (4) is fixed to the output end of the second motor (503).

5. The dual-drive dual-station roller fatigue testing machine according to claim 4 is characterized in that: The passive roller testing station (5) is located on a side facing the large passive wheel (4) and is rotatably connected to a passive wheel shaft (501), and a passive wheel body (502) is mounted on the outer wall of the passive wheel shaft (501).

6. The dual-drive dual-station roller fatigue testing machine according to claim 5, characterized in that: A second temperature test sensor (508) is installed at one end of the passive roller test station (5) facing the passive wheel body (502), a second displacement sensor (509) is installed at one side of the passive roller test station (5), a second force sensor (510) is installed at one end of the passive roller test station (5) away from the second temperature test sensor (508), a passive wheel hydraulic cylinder (506) is installed at one side of the second force sensor (510), and an output end of the passive wheel hydraulic cylinder (506) is connected to the second force sensor (510).

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