CN220120272U - Motor train unit shaft temperature system test device - Google Patents
Motor train unit shaft temperature system test device Download PDFInfo
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- CN220120272U CN220120272U CN202321561482.9U CN202321561482U CN220120272U CN 220120272 U CN220120272 U CN 220120272U CN 202321561482 U CN202321561482 U CN 202321561482U CN 220120272 U CN220120272 U CN 220120272U
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- shaft temperature
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 241000271559 Dromaiidae Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses a test device for a motor train unit shaft temperature system, which relates to the technical field of shaft temperature tests and comprises the following components: the control display is used for carrying out directional control on the shaft temperature of each sensor in the human-computer interface and simulating the temperature rise state of the shaft temperature of the motor train unit; and the wire is used for transmitting digital signals and currents. According to the utility model, when the intelligent motor train unit shaft temperature monitoring system is used, the heating rod is directly embedded into the inner wall of the protective cover through the control display and the protective component, a nondestructive embedding mode is adopted to replace a traditional physical heating mode, digital couple signals are simulated for the alarm function of the motor train unit shaft temperature system, and the obtained analog digital couple signals are directly transmitted to the control display, so that the accurate control of the shaft temperature is realized, meanwhile, the heating rod is embedded into the inner wall of the protective cover, so that the temperature inside the protective cover is more concentrated, the shaft ends are intensively tested, the phenomenon that the sensor sealing putty and cables are heated is avoided, and the service life of peripheral accessories is prolonged.
Description
Technical Field
The utility model relates to the technical field of shaft temperature tests, in particular to a test device for a motor train unit shaft temperature system.
Background
The axle temperature system of the motor train unit is characterized in that temperature sensors are arranged on the bogie axles, the gear boxes, the traction motors and other equipment of the motor train unit, early warning and alarm temperature values are set in the system, axle temperature real-time display monitoring is carried out through a train network, and early warning or alarm is carried out when the temperature exceeds the corresponding temperature.
At present, the functional state of a main machine of a motor train unit shaft temperature system needs to be detected during advanced repair of the motor train unit, a debugging method is to bake and heat a sensor installation part by using a hot air gun, simulate temperature rise and verify an alarm function.
Disclosure of Invention
The utility model aims at: in order to solve the problems that the test is long in time consumption and the temperature is not easy to control, and in the process of heating the mounting part of the sensor, the sealing putty and the cable of the sensor are heated, and the service life of peripheral accessories is influenced, the test device for the shaft temperature system of the motor train unit is provided.
In order to achieve the above purpose, the present utility model provides the following technical solutions: EMUs axle temperature system test device includes:
the control display is used for carrying out directional control on the shaft temperature of each sensor in the human-computer interface and simulating the temperature rise state of the shaft temperature of the motor train unit;
wires for the transfer of digital signals and currents;
the protection component is positioned at one side of the wire far away from the control display;
the movable assembly is positioned at one end inside the protective assembly and is rotationally connected with the protective assembly;
the pressing assembly is positioned at four corners of the outer part of the movable assembly and is movably connected with the movable assembly;
the buffer component is positioned at one side of the pressing component far away from the movable component and is connected with the pressing component in a clamping way;
the number of the pressing components is five, the five pressing components comprise pressing plates, pressing columns are arranged on one sides of the pressing plates, close to the movable components, of the pressing plates, pressing rods are arranged on one sides of the pressing columns, far away from the pressing plates, of the pressing plates, elastic pieces are sleeved outside the pressing rods, clamping grooves are formed on one sides of the pressing plates, far away from the pressing rods, of the pressing plates, and buffer inclined planes are arranged on one ends of the pressing plates, far away from the movable components.
As still further aspects of the utility model: the protection component comprises a protection cover, and heating rods are embedded in pentagon positions of the inner wall of the protection cover.
As still further aspects of the utility model: the movable assembly comprises a rotary table, sleeves are arranged at pentagons outside the rotary table, and one end of the pressing rod, which is far away from the pressing plate, and the elastic piece are located inside the sleeves.
As still further aspects of the utility model: the buffer assembly comprises a rubber buffer pad, and clamping blocks matched with the clamping grooves are arranged on one side, close to the pressing plate, of the rubber buffer pad.
As still further aspects of the utility model: the rubber cushion pad is detachably connected with the pressing plate through the mutual matching of the clamping blocks and the clamping grooves.
As still further aspects of the utility model: the middle position department of carousel one end is provided with the bearing frame, and the inside of bearing frame all is provided with the bearing, the carousel is connected with the rotation of the middle position department of the inside one end of protection casing through the cooperation of bearing frame and bearing.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the protective component, the movable component, the pressing component and the buffer component which are arranged, when the protective cover is used, the protective cover is directly aligned with the shaft end to be tested, then the protective cover is pressed towards the shaft end, the buffer inclined planes on the plurality of groups of pressing plates are in contact with the shaft end in advance, when the protective cover is moved towards the outer side of the shaft end, the outer diameter of the shaft end can directly generate outward extrusion force on the buffer inclined planes, the plurality of groups of pressing plates carry the pressing column and the pressing rod to move towards the outside of the sleeve, and extrusion force is generated on the elastic piece in the sleeve, so that the plurality of groups of pressing plates can stably press the outer side of the shaft end, meanwhile, the rubber buffer cushion can be utilized to buffer and protect the inner wall of the protective cover, impact abrasion generated by the pressing plate end facing the inner wall of the protective cover is reduced, and meanwhile, the middle position of one end inside the protective cover is rotationally connected with the rotary table, so that the protective cover, a wire and a control display can be rotationally adjusted according to the position, and the protective cover can be rotated by taking the rotary table as a base point, thereby the use effect of the protective cover is better, the butting stability of the protective cover and the shaft end to be tested, and the shaft end can be adapted to different direct shaft ends, and the use range is wider;
2. through the control display and the protective component who set up, during the use, directly with the inner wall of heating rod embedding protection casing, adopt harmless embedded mode to replace traditional physical heating mode, carry out digital couple signal simulation to the alarming function of EMUs axle temperature system, and directly transmit the analog digital couple signal that obtains to the control display, thereby realize the accurate control of axle temperature, can utilize simultaneously again and imbed the inner wall of protection casing with the heating rod, thereby make the inside temperature of protection casing more concentrate, make it concentrate and test the axle head, thereby avoided the phenomenon that also heats sensor seal putty and cable, thereby the life of peripheral accessory has been improved to a certain extent.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a partial perspective view of the present utility model;
fig. 3 is an enlarged view of a of fig. 1 according to the present utility model.
In the figure: 1. controlling a display; 2. a wire; 3. a protective assembly; 301. a protective cover; 302. a heating rod; 4. a movable assembly; 401. a turntable; 402. a sleeve; 5. a pressing component; 501. a pressing column; 502. a pressing rod; 503. an elastic member; 504. a pressing plate; 505. a clamping groove; 506. a buffer inclined plane; 6. a buffer assembly; 601. a rubber cushion pad; 602. and (5) clamping blocks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
Referring to fig. 1 to 3, in an embodiment of the present utility model, a device for testing a shaft temperature system of a motor train unit includes:
the control display 1 is used for carrying out directional control on the shaft temperature of each sensor in a man-machine interface and simulating the shaft temperature heating state of the motor train unit;
a wire 2 for the transmission of digital signals and currents;
a protective component 3 positioned on one side of the wire 2 away from the control display 1;
the movable assembly 4 is positioned at one end inside the protective assembly 3 and is rotationally connected with the protective assembly 3;
the pressing component 5 is positioned at four corners outside the movable component 4 and is movably connected with the movable component 4;
the buffer component 6 is positioned at one side of the pressing component 5 away from the movable component 4 and is connected with the pressing component 5 in a clamping way;
the number of the pressing components 5 is five, the five pressing components 5 comprise pressing plates 504, pressing columns 501 are arranged on one sides of the pressing plates 504 close to the movable components 4, pressing rods 502 are arranged on one sides of the pressing columns 501 far away from the pressing plates 504, elastic pieces 503 are sleeved outside the pressing rods 502, clamping grooves 505 are arranged on one sides of the pressing plates 504 far away from the pressing rods 502, and buffer inclined planes 506 are arranged on one ends of the pressing plates 504 far away from the movable components 4.
Example 1
The characteristics of the axle temperature sensor of the motor train unit are researched by adopting a control variable method, and a digital potentiometer is used as a temperature compensation element, so that a regulating circuit with reasonable design is used for segment control; the resistance value of the digital potentiometer is adjusted through the embedded single chip microcomputer to simulate PTl resistance value change, and a digital-to-analog conversion circuit is utilized to capture the resistance of the temperature sensor, so that the accurate control of the shaft temperature is realized; analyzing a temperature measurement principle of the motor train unit by adopting a reverse analysis method, analyzing electrical characteristics and the temperature measurement principle of components, and drawing a characteristic curve of a motor train unit shaft temperature sensor; according to the characteristics of the axle temperature sensor of the motor train unit, digital-to-analog conversion, compensation temperature measurement and other circuits are designed, the accuracy of acquiring analog temperature is improved, and meanwhile, software development is carried out through an embedded single chip microcomputer, so that man-machine interface development is completed.
Example 2
The development of a motor train unit shaft temperature system host machine detection device model machine is provided with two working modes of a self-contained power supply and an external power supply, the shaft temperature of each sensor is directionally controlled by adopting a man-machine interface, the shaft temperature heating state of the motor train unit is simulated, and when the system preset alarm temperature is reached, the motor train unit shaft temperature detection system host machine can be triggered to alarm, so that whether the host machine functions normally or not is verified.
Example 3
Wherein the technical and economic indexes are as follows:
(1) The operation interface of the prototype is friendly, a 10-inch touch screen is adopted for operation, and the resolution is not lower than 1024 x 600;
(2) The simulated temperature ranges from-45 ℃ to 300 ℃; meanwhile, the temperature adjustment precision reaches 0.5 ℃, and the requirement of the motor train unit test at 1 ℃ is met;
(3) And integrating a 12V built-in power supply, wherein the endurance working time is not less than 6 hours.
Referring to fig. 1 and 3, the protection component 3 includes a protection cover 301, and heating rods 302 are embedded in pentagons of an inner wall of the protection cover 301.
Referring to fig. 1, 2 and 3, the movable assembly 4 includes a turntable 401, a sleeve 402 is disposed at each of the five corners of the exterior of the turntable 401, and one end of the pressing rod 502 away from the pressing plate 504 and the elastic member 503 are disposed inside the sleeve 402.
Referring to fig. 1 and 3, the buffer assembly 6 includes a rubber buffer pad 601, and a clamping block 602 matched with the clamping groove 505 is disposed on one side of the rubber buffer pad 601 close to the pressing plate 504.
Referring to fig. 1 and 3, the rubber cushion 601 is detachably connected with the pressing plate 504 through the cooperation of the clamping block 602 and the clamping groove 505, so that the rubber cushion 601 is convenient to replace, and the service life of the axle temperature system testing device of the motor train unit is longer.
Referring to fig. 1 and 3, a bearing seat is disposed at a middle position of one end of a rotary disc 401, bearings are disposed in the bearing seats, the rotary disc 401 is rotatably connected with a middle position of one end of the inner portion of a protective cover 301 through the cooperation of the bearing seats and the bearings, and the middle position of one end of the inner portion of the protective cover 301 is rotatably connected with the rotary disc 401, so that the protective cover 301, a wire 2 and a control display 1 can be rotatably adjusted according to positions of the protective cover 301, the protective cover 301 can rotate with the rotary disc 401 as a base point, the use effect of the protective cover is better, the butt joint stability of the protective cover 301 and a shaft end to be tested is better, and meanwhile the protective cover can adapt to different direct shaft ends, so that the application range of the protective cover is wider.
The working principle of the utility model is as follows: when in use, the protective cover 301 is directly aligned with the shaft end to be tested, then the protective cover 301 is pressed towards the shaft end, the buffer inclined planes 506 on the plurality of groups of pressing plates 504 are in contact with the shaft end in advance, when the protective cover 301 is moved towards the outer side of the shaft end, the outer diameter of the shaft end directly generates outward extrusion force on the buffer inclined planes 506, the plurality of groups of pressing plates 504 carry the pressing columns 501 and the pressing rods 502 to move towards the outer side of the sleeve 402, and generate extrusion force on the elastic piece 503 in the sleeve 402, so that the plurality of groups of pressing plates 504 can be stably pressed towards the outer side of the shaft end, meanwhile, the rubber buffer cushion 601 can be utilized to buffer and protect the pressing plates 504 and the inner wall of the protective cover 301, so that impact abrasion of the end face of the pressing plates 504 on the inner wall of the protective cover 301 is reduced, and meanwhile, the middle position of one end inside the protective cover 301 is rotationally connected with the rotary disc 401, therefore, the protective cover 301, the lead 2 and the control display 1 can be rotated and adjusted according to the positions, the protective cover 301 can rotate by taking the rotary table 401 as a base point, so that the use effect is better, the butt joint stability of the protective cover 301 and the shaft end to be tested is better, the protective cover can be adapted to different direct shaft ends, the use range is wider, the heating rod 302 is directly embedded into the inner wall of the protective cover 301, the nondestructive embedding mode is adopted to replace the traditional physical heating mode, the digital galvanic signal simulation is carried out on the alarming function of the shaft temperature system of the motor train unit, the obtained analog digital galvanic signal is directly transmitted to the control display 1, the accurate control of the shaft temperature is realized, meanwhile, the heating rod 302 is embedded into the inner wall of the protective cover 301, so that the temperature inside the protective cover 301 is more concentrated, the concentrated shaft end to be tested, and the phenomena of sealing the sensor and heating the putty cable are avoided, thereby improving the service life of the peripheral fittings to a certain extent.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. EMUs axle temperature system test device includes:
the control display (1) is used for carrying out directional control on the shaft temperature of each sensor in the man-machine interface and simulating the shaft temperature heating state of the motor train unit;
a wire (2) for the transmission of digital signals and currents;
the protection component (3) is positioned on one side of the lead (2) away from the control display (1);
the movable assembly (4) is positioned at one end inside the protective assembly (3) and is rotationally connected with the protective assembly (3);
the pressing component (5) is positioned at four corners of the outer part of the movable component (4) and is movably connected with the movable component (4);
the buffer component (6) is positioned at one side of the pressing component (5) away from the movable component (4) and is connected with the pressing component (5) in a clamping way;
the device is characterized in that the number of the pressing components (5) is five, the five pressing components (5) comprise pressing plates (504), pressing columns (501) are arranged on one sides of the pressing plates (504) close to the movable components (4), pressing rods (502) are arranged on one sides of the pressing columns (501) far away from the pressing plates (504), elastic pieces (503) are sleeved outside the pressing rods (502), clamping grooves (505) are arranged on one sides of the pressing plates (504) far away from the pressing rods (502), and buffer inclined planes (506) are arranged on one ends of the pressing plates (504) far away from the movable components (4).
2. The motor train unit shaft temperature system test device according to claim 1, wherein the protection assembly (3) comprises a protection cover (301), and heating rods (302) are embedded at pentagons of the inner wall of the protection cover (301).
3. The axle temperature system test device of the motor train unit according to claim 1, wherein the movable assembly (4) comprises a turntable (401), sleeves (402) are arranged at pentagons outside the turntable (401), and one end of the pressing rod (502) far away from the pressing plate (504) and the elastic piece (503) are both located inside the sleeves (402).
4. The axle temperature system test device of the motor train unit according to claim 1, wherein the buffer assembly (6) comprises a rubber buffer pad (601), and clamping blocks (602) matched with the clamping grooves (505) are arranged on one side, close to the pressing plate (504), of the rubber buffer pad (601).
5. The axle temperature system test device of claim 4, wherein the rubber cushion pads (601) are detachably connected with the pressing plate (504) through the mutual matching of the clamping blocks (602) and the clamping grooves (505).
6. A motor train unit shaft temperature system test device according to claim 3, wherein a bearing seat is arranged at the middle position of one end of the rotary table (401), bearings are arranged in the bearing seats, and the rotary table (401) is rotatably connected with the middle position of one end of the inner part of the protective cover (301) through the mutual matching of the bearing seat and the bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321561482.9U CN220120272U (en) | 2023-06-19 | 2023-06-19 | Motor train unit shaft temperature system test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321561482.9U CN220120272U (en) | 2023-06-19 | 2023-06-19 | Motor train unit shaft temperature system test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220120272U true CN220120272U (en) | 2023-12-01 |
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ID=88887696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321561482.9U Active CN220120272U (en) | 2023-06-19 | 2023-06-19 | Motor train unit shaft temperature system test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220120272U (en) |
-
2023
- 2023-06-19 CN CN202321561482.9U patent/CN220120272U/en active Active
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