CN212228253U - Temperature detection device for large-scale equipment bearing - Google Patents
Temperature detection device for large-scale equipment bearing Download PDFInfo
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- CN212228253U CN212228253U CN202020930790.4U CN202020930790U CN212228253U CN 212228253 U CN212228253 U CN 212228253U CN 202020930790 U CN202020930790 U CN 202020930790U CN 212228253 U CN212228253 U CN 212228253U
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Abstract
The utility model discloses a temperature-detecting device of main equipment bearing belongs to bearing appurtenance field. To the problem that present bearing temperature to work at adverse circumstances main equipment detects difficulty and precision low, the utility model provides a temperature-detecting device of main equipment bearing, it includes temperature sensor, temperature sensor sets up in the bearing cap, and temperature sensor is connected with the temperature controller electricity, and temperature monitor and host computer stop the coil and be connected with the temperature controller respectively, and the host computer stops the start-stop of coil and the motor electricity connection control motor of drive main equipment work. The utility model arranges the temperature sensor in the bearing cover, which is applicable to severe production environment, and can monitor and feed back to the temperature controller in real time through the temperature sensor, thereby being convenient and accurate in temperature measurement; when the temperature of the bearing is too high, the main machine stops working of the coil to drive the motor to stop working, and then the large-scale equipment stops working, so that the whole process is automatically controlled, and the safety is high.
Description
Technical Field
The utility model belongs to bearing appurtenance field, more specifically say, relate to a temperature-detecting device of main equipment bearing.
Background
In the underground mining industry, underground coarse crushing is an important link in the production process and takes charge of ore crushing tasks. The material is crushed from the upper ore bin to the jaw crusher through the bar vibration feeder. Due to production requirements, the bar feeder is technically improved, and the time capacity is from 600 tons/hour during installation to 1150 tons/hour at present. After the time capacity rises, the load of main components of the equipment is relatively increased, wherein the bearing is the most important, and if the bearing is damaged and is not timely found to be replaced, the bearing seat, the shaft, the gear box and even the motor can be damaged. The replacement of the bearing requires 8 hours of maintenance time, and particularly, the emergency maintenance has important influence on the production, because the crushing is a main throat process, which influences the smooth production of the upper and lower processes. How to reduce urgent maintenance, in time know the in service behavior of bearing, except that the normalized maintenance point is examined, it is very critical to the dynamic grasp of the temperature of bearing when the start, bearing temperature is an important parameter index of reaction bearing service behavior. However, the working principle and the field environment of the bar vibrating feeder determine that the shaft and the bearing of the bar vibrating feeder vibrate greatly, dust is large and humidity is large, in order to ensure long-term normal use, the bar vibrating feeder uses a special bearing, oil-immersed lubrication is adopted, a post operator is provided with a handheld temperature measuring instrument, and the temperature of the bearing is manually detected before and after each time of startup and during the startup. The hand-held manual detection has the following disadvantages: (1) an operator needs to go outside the operation room and measure the bearing ends around two sides of the equipment, so that the use is inconvenient; (2) the platform is detected beside the started equipment and needs to be overhauled up and down, so that the personnel are unsafe; (3) the vibrating feeder vibrates greatly, the bearing is arranged in the device, the external temperature of the bearing seat is manually detected, the temperature of the bearing cannot be accurately mastered, and the detection is inaccurate; (4) the temperature change of the bearing cannot be seen in time by manual detection, and the bearing cannot be stopped for inspection in time when the temperature of the bearing rises suddenly. A
Corresponding improvement is also carried out aiming at the problems, for example, Chinese patent application No. CN201220358905.2, the publication date is 3 and 20 in 2013, the patent discloses a temperature measuring device for a generator bearing, which comprises a front end cover arranged on a front bearing of a generator, a rear end cover arranged on a rear bearing of the generator and a terminal block in a field box of the generator. And the front bearing and the rear bearing are provided with temperature sensors, and the temperature sensors are connected to a terminal strip in the excitation box of the generator through a front end cover and a rear end cover by cables. The patent has the following defects: although the bearing is detected in time, the manual operation still needs time when the bearing breaks down, and safety accidents are easily caused.
As another example, chinese patent application No. CN201521034487.1, published as 2016, 6, and 22, discloses a temperature measuring device for a winch bearing, comprising: a sensor for sensing the temperature of the bearing and converting the temperature into an electrical signal; and the detector is used for receiving the electric signals from the sensor, converting the electric signals into temperature and displaying the temperature, and the input end of the detector is connected with the sensor. The disadvantages of the patent are that: the installation of the sensor on the bearing is not specifically explained, and the sensor is easily interfered by the external environment and easily causes errors.
SUMMERY OF THE UTILITY MODEL
1. Problems to be solved
To the problem that the bearing temperature that has now to work at adverse circumstances main equipment detects difficulty and precision low, the utility model provides a temperature-detecting device of main equipment bearing. The utility model arranges the temperature sensor in the bearing cover, which is applicable to severe production environment, and can monitor and feed back to the temperature controller in real time through the temperature sensor, thereby being convenient and accurate in temperature measurement; when the temperature of the bearing is too high, the main machine stops working of the coil to drive the motor to stop working, and then the large-scale equipment stops working, so that the whole process is automatically controlled, and the safety is high.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The temperature detection device for the large equipment bearing comprises a temperature sensor, wherein the temperature sensor is arranged in a bearing cover, the bearing cover is arranged on a bearing, the temperature sensor is electrically connected with a temperature controller, a temperature display and a host stop coil are respectively connected with the temperature controller, and the host stop coil is electrically connected with a motor for driving the large equipment to work to control the start and stop of the motor. The automatic operation saves manual operation intensity, carries out temperature detection to the bearing in real time, improves the security performance of large-scale equipment operation.
Furthermore, the temperature sensor is fixed in the bearing cover through a fastener, and the outer surface of the temperature sensor is provided with a thread adjusting sleeve. The normal work of the temperature sensor is ensured, and the temperature sensor is not interfered by the external environment.
Furthermore, an elastic buckle is arranged between the temperature sensor and the bearing cover. Further strengthen the connection of fastener, prevent that the fastener is not hard up.
Furthermore, a protective box is arranged outside the bearing cover. The bearing cover is prevented from being interfered by the external environment.
Furthermore, a sealing strip is arranged between the temperature sensor and the bearing cover. The sealing performance between the temperature sensor and the bearing cover is enhanced, and the working accuracy of the temperature sensor is improved.
Furthermore, the temperature controller also comprises an alarm which is connected with the temperature controller. The timeliness of the bearing over-temperature phenomenon is enhanced.
Furthermore, the alarm is an audible and visual alarm. The timely discovery efficiency of the workers is improved.
Further, the temperature sensor is a platinum thermistor sensor. Simple structure and measuring result are accurate.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model arranges the temperature sensor in the bearing cover, which is suitable for severe production environments with large vibration, large dust, large moisture and the like, and the temperature sensor monitors and feeds back the bearing temperature to the temperature controller in real time, so that the intelligent temperature measurement is convenient to use, and the dynamic temperature measurement is real-time and accurate; the temperature controller displays the temperature signal on the temperature display to facilitate visual understanding of workers, transmits the temperature signal to the host stop coil, when the temperature of the bearing is overhigh, the host stop coil works to drive the motor to stop working, and when the motor stops working, the large-scale equipment stops working, so that the whole process is automatically controlled, the labor intensity of personnel is reduced, and the safety is high;
(2) the temperature sensor in the utility model is fixed in the bearing cover through the fastener, and the connection between the temperature sensor and the bearing cover is reinforced, so that the temperature sensor can more accurately measure the bearing temperature; the outer surface of the temperature sensor is provided with a thread adjusting sleeve, and the thread adjusting sleeve plays a role in protecting the temperature sensor on one hand and avoids being damaged by the external environment; on the other hand, the device can be matched with a fastener to adjust the position to adapt to different amplitudes of large-scale equipment;
(3) the elastic buckle is arranged between the temperature sensor and the bearing cover, the situation of looseness caused by larger vibration of the fastener is effectively avoided due to the arrangement of the elastic buckle, and the elastic buckle can eliminate the influence of large amplitude of part of the bearing in the working engineering of large-scale equipment, so that the temperature sensor works stably; a protection box is arranged on the outer side of the bearing cover, so that the bearing cover is protected, the temperature sensor is protected, and the accuracy of a measurement result is further improved;
(4) the utility model discloses be provided with the sealing strip between temperature sensor and bearing cap, the setting of sealing strip has increased the sealing performance between temperature sensor and the bearing cap, improves temperature sensor working property's stability then, avoids receiving external environment influence;
(5) the utility model is also provided with an alarm which is connected with the temperature controller, when the temperature detection signal received by the temperature sensor in the temperature controller is higher than the temperature set value, the alarm works to remind the staff to pay attention and maintain in time; and the alarm is an audible and visual alarm, so that the visual and auditory alarms are provided for the workers, and the working timeliness is enhanced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a portion a in fig. 1.
In the figure: 1. a motor; 2. a body; 3. a bearing seat; 4. a bearing; 5. an eccentric shaft; 6. a gear; 7. an eccentric block; 8. a bearing cap; 9. a gear case; 10. a bearing housing; 11. a temperature controller; 12. a temperature display; 13. the host stops the coil; 14. A thread adjusting sleeve; 15. a temperature sensor; 16. an electric wire; 17. locking the nut; 18. an elastic buckle.
Detailed Description
The invention will be further described with reference to specific embodiments and drawings.
Example 1
As shown in fig. 1 and 2, the temperature detection device for the bearing of the large-scale equipment comprises a temperature sensor 15, preferably, the temperature sensor 15 is a platinum thermistor sensor; the structure is simple and the temperature measurement is accurate; the temperature sensor 15 is arranged in the bearing cover 8, the bearing cover 8 is arranged on the bearing 4, specifically, in the embodiment, the bar feeder is used as a large-scale device, the bar feeder comprises a motor 1, the motor 1 is connected with a speed reducer, a gear in the speed reducer is connected with a gear 6 on an eccentric shaft 5, the machine body 2 is connected with the eccentric shaft 5 through the bearing 4, the bearing 4 is arranged on the eccentric shaft 5 through a bearing seat 3, an eccentric block 7 is arranged between the gear 6 on the eccentric shaft 5 and the bearing 4, the bearing cover 8 is arranged on the bearing 4, the gear on the speed reducer is meshed with the gear 6 on the eccentric shaft 5 to drive the eccentric shaft 5 to rotate, and then the machine body 2 works; the structure of the bar feeder belongs to the prior art and does not belong to the improvement point of the application, so the working principle of the bar feeder is not described in detail herein; the temperature sensor 15 is connected with the temperature controller 11 through an electric wire 16, the temperature display 12 and the host stop coil 13 are respectively connected with the temperature controller 11, and the host stop coil 13 is electrically connected with the motor 1 for driving the large-scale equipment to work to control the start and stop of the motor 1; the temperature sensor 15 feeds a temperature signal back to the temperature controller 11, and the temperature controller 11 displays the received temperature signal on the temperature display 12 so that a person can visually know the temperature of the bearing 4 and timely record the temperature; and the host stop coil 13 is also connected with the temperature controller 11, when the temperature signal received by the temperature controller 11 exceeds the set value, the temperature controller 11 feeds back the signal to the host stop coil 13, and the host stop coil 13 drives the motor 1 to stop working, so that the whole machine body 2 stops working.
The utility model arranges the temperature sensor 15 in the bearing cover 8, which is suitable for severe production environments with large vibration, large dust, large moisture and the like, and monitors and feeds back the temperature of the bearing 4 to the temperature controller 11 in real time through the temperature sensor 15, so that the intelligent temperature measurement is convenient to use, and the dynamic temperature measurement is real-time and accurate; the large-scale equipment can be automatically shut down when the temperature of the bearing 4 reaches a set limit high temperature, so that the damage of the equipment is reduced, and the safety performance of the whole process is effectively improved; the whole device has strong self-adaptive adjustment capability, accurate detection, good timeliness, simple and convenient replacement and low maintenance cost.
Example 2
Basically as in embodiment 1, preferably, the temperature sensor 15 is fixed in the bearing cover 8 by a fastener, so as to avoid the work of the temperature sensor 15 from being disturbed by strong vibration in the field, and the outer surface of the temperature sensor 15 is provided with a threaded adjusting sleeve 14; specifically, in the implementation, a temperature measuring hole is drilled in the bearing cover 8, the diameter of the temperature measuring hole is matched with the diameter of a probe of the temperature sensor 15, and the depth of the temperature measuring hole is smaller than the thickness of the bearing cover 8 and is larger than the length of a front-section temperature measuring element of the temperature sensor 15; the temperature sensor 15 is placed in the temperature measuring hole and fixed in the bearing cover 8 by a fastener, so that the temperature of the bearing 4 can be detected to the maximum extent, namely the detected temperature is closest to the real temperature of the bearing 4; the temperature sensor 15 and the bearing cover 8 are fixed by the fastener in a mode of matching a bolt with a locking nut 17, and the connection mode is fastening, convenient to detach and easy to maintain; the thread adjusting sleeve 14 is arranged on the outer side of the temperature sensor 15, so that the temperature sensor 15 is protected and is prevented from being damaged by the external environment; on the other hand, the depth of the temperature sensor 15 inserted into the temperature measuring hole can be adjusted to adapt to different amplitudes of large-scale equipment by matching with a fastener, and the operability is strong.
Furthermore, an elastic buckle 18 is arranged between the temperature sensor 15 and the bearing cover 8, and because the vibration of the bearing 4 in large equipment is large, the vibration load and the alternating load on the fastener for fixing the temperature sensor 15 are large, and in order to reduce the influence of vibration on the fastener, the elastic buckle 18 is arranged between the temperature sensor 15 and the bearing cover 8 and is used for preventing the locking nut 17 from loosening under large vibration, and the fastening performance of the fastener is further ensured.
Example 3
Basically as in embodiment 1, preferably, a protection box is disposed outside the bearing cap 8, and the protection box protects the bearing cap 8, so as to prevent the bearing cap 8 from being interfered by the outside and further ensure the accuracy of the measurement result of the temperature sensor 15; specifically, the protection box comprises a gear box 9 and a bearing box 10, the gear box 9 is arranged on the outer side of the gear 6, and the eccentric shaft 5, the gear 6 and the eccentric block 7 are effectively prevented from being interfered by the external environment; the bearing box 10 is arranged on the outer side of the bearing seat 3, plays a role in protecting the bearing 4, the bearing seat 3 and the bearing cover 8 and avoids environmental interference; furthermore, a sealing strip is arranged between the temperature sensor 15 and the bearing cover 8, the sealing performance between the temperature sensor 15 and the bearing cover 8 is improved due to the arrangement of the sealing strip, the stability of the working performance of the temperature sensor 15 is improved, and the influence of the external environment is avoided.
Specifically, the temperature monitoring device further comprises an alarm, the alarm is connected with the temperature controller 11, when a temperature detection signal received by the temperature sensor 15 in the temperature controller 11 is higher than a temperature set value, the alarm works to remind a worker of paying attention and maintaining in time; preferably, the alarm is an audible and visual alarm, so that the visual and auditory alarms can be realized, the visual feeling of workers can be facilitated, and the working timeliness is enhanced.
The examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.
Claims (8)
1. The utility model provides a temperature-detecting device of main equipment bearing which characterized in that: the temperature control device is characterized by comprising a temperature sensor (15), wherein the temperature sensor (15) is arranged in a bearing cover (8), the bearing cover (8) is arranged on a bearing (4), the temperature sensor (15) is electrically connected with a temperature controller (11), a temperature display (12) and a host stop coil (13) are respectively connected with the temperature controller (11), and the host stop coil (13) is electrically connected with a motor (1) for driving large-scale equipment to work to control the start and stop of the motor (1).
2. The temperature detection device for the large equipment bearing according to claim 1, characterized in that: the temperature sensor (15) is fixed in the bearing cover (8) through a fastener, and a thread adjusting sleeve (14) is arranged on the outer surface of the temperature sensor (15).
3. The temperature detection device for the large equipment bearing according to claim 2, characterized in that: an elastic buckle (18) is arranged between the temperature sensor (15) and the bearing cover (8).
4. The temperature detection device for the large equipment bearing according to claim 1 or 3, characterized in that: a protective box is arranged on the outer side of the bearing cover (8).
5. The temperature detection device for the large equipment bearing according to claim 1, characterized in that: and a sealing strip is arranged between the temperature sensor (15) and the bearing cover (8).
6. The temperature detection device for the large equipment bearing according to claim 1, characterized in that: the temperature control device also comprises an alarm which is connected with the temperature controller (11).
7. The temperature detection device for the large equipment bearing according to claim 6, wherein: the alarm is an audible and visual alarm.
8. The temperature detection device for a large equipment bearing according to claim 1 or 2, characterized in that: the temperature sensor (15) is a platinum thermal resistance sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020930790.4U CN212228253U (en) | 2020-05-27 | 2020-05-27 | Temperature detection device for large-scale equipment bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020930790.4U CN212228253U (en) | 2020-05-27 | 2020-05-27 | Temperature detection device for large-scale equipment bearing |
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| CN212228253U true CN212228253U (en) | 2020-12-25 |
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| CN202020930790.4U Active CN212228253U (en) | 2020-05-27 | 2020-05-27 | Temperature detection device for large-scale equipment bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757154A (en) * | 2021-08-24 | 2021-12-07 | 华能汕头风力发电有限公司 | Main shaft system capable of monitoring temperature of main shaft bearing of fan |
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2020
- 2020-05-27 CN CN202020930790.4U patent/CN212228253U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757154A (en) * | 2021-08-24 | 2021-12-07 | 华能汕头风力发电有限公司 | Main shaft system capable of monitoring temperature of main shaft bearing of fan |
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