CN112033706A - Detection apparatus for rail vehicle outer windshield capsule fatigue life - Google Patents
Detection apparatus for rail vehicle outer windshield capsule fatigue life Download PDFInfo
- Publication number
- CN112033706A CN112033706A CN202010837074.6A CN202010837074A CN112033706A CN 112033706 A CN112033706 A CN 112033706A CN 202010837074 A CN202010837074 A CN 202010837074A CN 112033706 A CN112033706 A CN 112033706A
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- capsule
- tension
- sliding plate
- fatigue life
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model provides a detection device of rail vehicle outer windshield capsule fatigue life which characterized in that: the device comprises a main body supporting frame, a control box, a motor, an eccentric wheel, a sliding plate, a tension roller, a tension spring and a tension sensor, wherein the motor shaft is connected with the sliding plate through a transmission mechanism, the sliding plate is matched with a slideway, a transverse elongated hole for the capsule to pass through is formed in the sliding plate, the tension roller is arranged on the main body supporting frame and is in frictional contact with the capsule, the tension spring is connected below the tension roller and is used for simulating the tensile force applied to the capsule when the capsule between two vehicles rubs and pulls when the vehicles pass through a curve, the tension spring is arranged below the tension roller, and the tension sensor is arranged on the tension spring. Small volume, low price and high detection speed. The occupied area is 1 square meter, the height is 1 meter, the cost is about 10 ten thousand yuan, and 2 ten thousand times of completing an experiment period takes 6 hours.
Description
Technical Field
The invention belongs to the technical field of design and detection of parts of railway vehicles, and particularly relates to a design of a windshield of a train end system of a motor train unit.
Background
In order to detect the fatigue life of an outer windshield capsule of a motor train unit, the detection device and the detection method which are commonly used in the industry at present are as follows: and (3) using a curve displacement test bed, installing the outer windshield sample piece on the test bed according to the real vehicle state, simulating the relative motion of the vehicle during curve displacement by using the test bed, and observing the state of the outer windshield capsule after the test bed completes certain times of reciprocating motion.
The general test bed in the current industry has large volume, occupies about 24 square meters and has the height of 4 meters; the price is high, and a set of test bed is 200 ten thousand yuan; the test process is slow, and takes 7 days after 2 ten thousand test cycles are completed.
Disclosure of Invention
The invention aims to provide a device for detecting the fatigue life of an external windshield capsule, which has the advantages of simple structure, small occupied area, low price and high detection speed, so as to solve the problems that the conventional detection test bed has large volume,
high price and long test period.
In order to achieve the above object, the present invention provides a device for detecting fatigue life of an external windshield capsule of a rail vehicle, which is characterized in that: the tension device comprises a main body supporting frame, a control box, a motor, an eccentric wheel, a sliding plate, a tension roller, a tension spring and a tension sensor, wherein the sliding plate is connected with a motor shaft through a transmission mechanism, the sliding plate is matched with a slide way, a transverse elongated hole for a capsule to pass through is formed in the sliding plate, the tension roller is arranged on the main body supporting frame and is in friction contact with the capsule, the tension spring is connected below the tension roller, and the tension sensor is arranged on the tension spring.
Furthermore, the transmission mechanism is characterized in that an eccentric wheel is connected to a motor shaft, the eccentric wheel is connected with a traction rod, and the traction rod is movably connected with a sliding plate and drives the sliding plate to move back and forth.
Furthermore, two sides of the main body supporting frame are respectively provided with an installation upright post, the installation upright posts are in clearance fit with sleeves, and the tensioning rollers are installed between the two sleeves.
Furthermore, two sides below the sliding plate are respectively provided with a front sliding block and a rear sliding block, and the sliding blocks are in sliding fit with the sliding ways to drive the sliding plate to move back and forth.
Furthermore, the front surface of the control box is provided with a tension digital display meter and a counting meter for displaying tension and reciprocating times of the capsule in real time.
Further, height adjusting frames are installed at four corners of the main body supporting frame, the height adjusting frames are fixed on the supporting stand columns through screws, and the slide ways are installed on the height adjusting frames.
Further, a spring is arranged below the height adjusting frame for damping.
The invention designs a simple and small detection device by cutting a section of capsule for testing, drives the capsule to reciprocate through the movement of a mechanism, simulates the deformation process of the capsule and finishes the detection of the fatigue life of the outer wind shield capsule. Small volume, low price and high detection speed. The occupied area is 1 square meter, the height is 1 meter, the cost is about 10 ten thousand yuan, and 2 ten thousand times of completing an experiment period takes 6 hours.
Drawings
FIG. 1 is a side view of the device;
fig. 2 is a front view of the device.
Detailed Description
Referring to fig. 1 and 2, the whole device mainly comprises a main body supporting frame 1, a control box 2, a motor 3, an eccentric wheel 4, a slide way 5, a slide block 6, a height adjusting frame 7, a tension roller 8, a tension spring 9, a tension sensor 10, a capsule 11, a traction rod 13, a sliding plate 14, sleeves 15, an installation upright post 16 and a supporting upright post 17, wherein the eccentric wheel 4 is connected to a motor shaft, the traction rod 13 is connected to the eccentric wheel, the traction rod is connected to the sliding plate 14, the front slide block 6 and the rear slide block 6 are respectively arranged on two sides below the sliding plate 14, the slide blocks 6 are installed on the slide way 5 in a clearance mode, the sliding plate 14 is provided with transverse elongated holes 12, the installation upright post 16 is respectively arranged on two sides of the main body supporting frame, the sleeves 15 are arranged on the installation upright post 16. The slideway 5 is arranged on the height adjusting frame 7, the height adjusting frame 7 is fixed on the supporting upright posts 17 by screws, and the supporting upright posts are fixed on four corners of the main body supporting frame 11. The height of the sliding plate and the sliding block can be adjusted by loosening the screws. A spring 18 is provided under the height adjustment frame for shock absorption.
In operation, the capsule 11 is fixed on the main body support frame 1, and the start/stop of the detection device is controlled by the control box 2. The motor 3 starts to rotate to drive the eccentric wheel 4 to rotate, and the eccentric wheel 4 drives the traction rod 13 and the sliding plate 14 to reciprocate in the front-back direction within a specified range to push the capsule 11 to reciprocate in the front-back direction. The tension roller 8 is in contact with the capsule 11, the tension spring 9 is connected with the carrier roller 8 and can apply downward tension to the capsule 11, the tension is detected through the tension sensor 10, the tension roller 8 can simulate the tension applied to the capsule 11 between two vehicles when the vehicles pass through curves, the capsule 11 between the two vehicles rubs with each other and is pulled, and the tension with different sizes can be simulated by adjusting the relative positions of the tension spring 9 and the tension sensor 10. By varying the relative position of the slider 6 and the capsule 11, various different deformation angles and deformation processes of the capsule 11 can be simulated. The front of the control box 2 is provided with a tension digital display meter and a counting meter, so that the tension and the reciprocating motion times of the capsule 11 can be displayed in real time. The operation display lamp and the stop lamp can display the working state of the detection device.
Claims (7)
1. The utility model provides a detection device of rail vehicle outer windshield capsule fatigue life which characterized in that: the tension device comprises a main body supporting frame, a control box, a motor, an eccentric wheel, a sliding plate, a tension roller, a tension spring and a tension sensor, wherein the sliding plate is connected with a motor shaft through a transmission mechanism, the sliding plate is matched with a slide way, a transverse elongated hole for a capsule to pass through is formed in the sliding plate, the tension roller is arranged on the main body supporting frame and is in friction contact with the capsule, the tension spring is connected below the tension roller, and the tension sensor is arranged on the tension spring.
2. The device for detecting the fatigue life of the outer windshield capsule of the railway vehicle as claimed in claim 1, wherein: the transmission mechanism is characterized in that an eccentric wheel is connected to a motor shaft, the eccentric wheel is connected with a traction rod, and the traction rod is movably connected with a sliding plate to drive the sliding plate to move back and forth.
3. The device for detecting the fatigue life of the outer windshield capsule of the railway vehicle as claimed in claim 1, wherein: the two sides of the main body supporting frame are respectively provided with an installation upright post, the installation upright posts are in clearance fit with sleeves, and the tensioning rollers are arranged between the two sleeves.
4. The device for detecting the fatigue life of the outer windshield capsule of the railway vehicle as claimed in claim 1, wherein: two sides below the sliding plate are respectively provided with a front sliding block and a rear sliding block, and the sliding blocks are in sliding fit with the sliding ways to drive the sliding plates to move back and forth.
5. The device for detecting the fatigue life of the outer windshield capsule of the railway vehicle as claimed in claim 1, wherein: the front surface of the control box is provided with a tension digital display meter and a counting meter which are used for displaying tension and reciprocating motion times of the capsule in real time.
6. The device for detecting the fatigue life of the outer windshield capsule of the railway vehicle as claimed in claim 1, wherein: the height adjusting device is characterized by further comprising height adjusting frames arranged at four corners of the main body supporting frame, the height adjusting frames are fixed on the supporting stand columns through screws, and the slide ways are arranged on the height adjusting frames.
7. The device for detecting fatigue life of an external windshield capsule of a railway vehicle as claimed in claim 6, wherein: a spring is arranged below the height adjusting frame and used for damping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010837074.6A CN112033706A (en) | 2020-08-19 | 2020-08-19 | Detection apparatus for rail vehicle outer windshield capsule fatigue life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010837074.6A CN112033706A (en) | 2020-08-19 | 2020-08-19 | Detection apparatus for rail vehicle outer windshield capsule fatigue life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112033706A true CN112033706A (en) | 2020-12-04 |
Family
ID=73578309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010837074.6A Pending CN112033706A (en) | 2020-08-19 | 2020-08-19 | Detection apparatus for rail vehicle outer windshield capsule fatigue life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112033706A (en) |
-
2020
- 2020-08-19 CN CN202010837074.6A patent/CN112033706A/en active Pending
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