Scraper conveyer speed reducer operation state early warning device
By installing oil temperature and oil level sensors inside the scraper conveyor reducer, combined with a differential speed detection mechanism, the problem of oil temperature and oil level detection errors is solved, enabling accurate monitoring of the reducer and ensuring its stable operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-03-27
AI Technical Summary
In the existing technology, there are errors in the detection of oil temperature and oil level in the scraper conveyor reducer, which makes it impossible to accurately monitor the speed difference, resulting in the inability to ensure the normal operation of the reducer and the consistency of speed.
An oil temperature sensor and an oil level sensor are installed inside the reducer. Combined with a differential detection mechanism, and through the cooperation of a transmitter and receiver, the oil temperature, oil level, and speed difference are monitored in real time, thereby improving data accuracy.
It enables precise monitoring of oil temperature, oil level, and speed difference, ensuring stable operation of the reducer and avoiding safety hazards and reduced production efficiency.
Smart Images

Figure CN224051368U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a reducer early warning appliance technical field especially relates to a scraper conveyor reducer operating state early warning device. BACKGROUND
[0002] As the key transport equipment in the field such as coal mining, the stable operation of the reducer of the scraper conveyor is crucial, once the reducer fails, not only the production efficiency will be affected, but also the safety accident can be caused, therefore, need to install monitoring and early warning device at the conveyor reducer to monitor the working state of the scraper conveyor in real time.
[0003] The common early warning mode is to install oil temperature sensor on the reducer shell to judge whether the internal oil temperature is too high, but this single sensing detection method cannot detect the oil level, and because it is installed outside the shell, there is error between the measured oil temperature and the actual oil temperature, plus the speed of the reducer cannot be monitored, so the normal operation of the reducer and the consistency of the speed difference with the setting cannot be ensured. SUMMARY
[0004] The utility model discloses a scraper conveyor reducer operating state early warning device to solve the technical problems in the prior art.
[0005] In order to realize the above-mentioned purpose, the utility model discloses the following technical scheme: a scraper conveyor reducer operating state early warning device, including the shell, the shell front end face is equipped with the draught hole, and the shell inside installation has the reducer, the reducer both sides are rotatory installation has low speed axle and high speed axle, low speed axle and high speed axle lower extreme all install the differential detection mechanism, and the rubber plate is installed at the bottom of the reducer, and the rubber plate is installed in the bottom surface in the shell.
[0006] Preferably, the differential detection mechanism includes a detection gear fixed to the low speed shaft and the high speed shaft, one of the detection gears is provided with a transmitter on the meshing teeth, and the detection gear is provided with a receiver at the lower end, the receiver is provided with a rubber seat at the bottom end, and the rubber seat is installed at the bottom of the shell.
[0007] Preferably, the bottom surface of the reducer is provided with a waterproof box through bolts, the front end face and the top face of the waterproof box are provided with through holes, and the through holes are provided with rubber washers.
[0008] Preferably, the waterproof box is provided with an oil temperature sensor and an oil level sensor inside, the oil temperature sensor is provided with an oil temperature sensing probe at the front end, and the oil temperature sensing probe is installed on the inner side of the through hole at the front end of the waterproof box.
[0009] Preferably, the oil level sensor top surface rear end is provided with an oil level sensing probe, and the oil level sensing probe is installed in the waterproof box top surface through hole inner side.
[0010] Preferably, the waterproof box front end surface is provided with a filler, and the filler other end is installed on the reducer front end surface.
[0011] Compared with the prior art, the oil temperature sensor and the oil level sensor installed in the reducer can be matched, so that the oil temperature and the oil level data can be obtained more intuitively, and the oil temperature and the oil level can be monitored, and the precision of the monitoring data is improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:
[0013] Figure 1 The device overall three-dimensional structure schematic view is provided for the present application;
[0014] Figure 2 The reducer structure schematic view is provided for the present application;
[0015] Figure 3 The reducer structure top view is provided for the present application;
[0016] Figure 4 The light ray inductor structure schematic view is provided for the present application;
[0017] Figure 5 The waterproof box structure schematic view is provided for the present application;
[0018] Figure 6 The oil temperature sensor and the oil level sensor structure schematic view are provided for the present application;
[0019] Figure 7 The Figure 2 The A part structure enlarged schematic view is provided for the present application.
[0020] The numbers in the diagram are: 1. Housing; 2. Heat dissipation vent; 3. Reducer; 4. Low-speed shaft; 5. High-speed shaft; 6. Waterproof box; 7. Rubber plate; 8. Detection gear; 9. Transmitter; 10. Receiver; 11. Rubber seat; 12. Oil temperature sensor; 13. Oil temperature sensor probe; 14. Oil level sensor probe; 15. Stuffing gland; 16. Oil level sensor. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] Example: See Figures 1-7 This utility model discloses a scraper conveyor reducer operation status early warning device, comprising a housing 1, which facilitates the installation of a reducer 3 and a transmission motor; a heat dissipation vent 2 is provided on the front end of the housing 1 to facilitate heat dissipation for the reducer 3; the reducer 3 is installed inside the housing 1 to facilitate changing the motor speed; a low-speed shaft 4 and a high-speed shaft 5 are rotatably mounted on both sides of the reducer 3, and the cooperation between the low-speed shaft 4 and the high-speed shaft 5 facilitates the adjustment of the speed difference; a differential speed detection mechanism is installed at the lower end of both the low-speed shaft 4 and the high-speed shaft 5, and a rubber plate 7 is installed at the bottom of the reducer 3 to facilitate the reduction of the vibration effect of the reducer 3 on the housing 1; the differential speed detection mechanism includes a detection gear 8 fixed to the low-speed shaft 4 and the high-speed shaft 5, which facilitates the detection of the speed of the low-speed shaft 4 and the high-speed shaft 5; a transmitter 9 is installed on one of the meshing teeth of the detection gear 8 to facilitate the emission of infrared signals; and a receiver 10 is installed at the lower end of the detection gear 8 to facilitate the reception of infrared signals;
[0023] In the utility model, the receiver 10 is provided with a rubber base 11 at the bottom end, which is convenient for reducing the vibration of the shell 1 on the receiver 10; the rubber base 11 is installed at the inner bottom of the shell 1, the inner bottom surface of the speed reducer 3 is provided with a waterproof box 6 through bolt installation, the waterproof box 6 is convenient for installing the oil temperature sensor 12 and the oil level sensor 16, the oil level sensor 16 adopts an oil level sensor with a model of LYG-1; the front end surface and the top surface of the waterproof box 6 are provided with through holes, the through holes are provided with rubber gaskets, the waterproof box 6 is internally provided with the oil temperature sensor 12 and the oil level sensor 16, the oil temperature sensor 12 adopts an oil temperature sensor with a model of LM35, the oil temperature sensor 12 and the oil level sensor 16 are used for respectively measuring the oil temperature and the oil level; the oil temperature sensor 12 is provided with an oil temperature sensing probe 13 at the front end, which is convenient for sensing the oil temperature; the oil temperature sensing probe 13 is installed at the inner side of the through hole of the front end surface of the waterproof box 6, the oil level sensor 16 is provided with an oil level sensing probe 14 at the top surface rear end, which is convenient for sensing the oil level; the oil level sensing probe 14 is installed at the inner side of the through hole of the top surface of the waterproof box 6, the waterproof box 6 is provided with a packing gland 15 at the front end surface, which is convenient for threading; the other end of the packing gland 15 is installed on the front end surface of the speed reducer 3.
[0024] Working principle: in the utility model for use, first, the oil temperature sensor 12 and the oil level sensor 16 are installed in the waterproof box 6, and the oil temperature sensing probe 13 and the oil level sensing probe 14 are installed, then the waterproof box 6 is installed in the inner bottom of the speed reducer 3 through fixed bolts, and the packing gland 15 is installed through the speed reducer 3 and the waterproof box 6, the sensing wire is threaded, the machine oil is added to the inside of the speed reducer 3 and the speed reducer 3 is sealed, the detection gear 8 is respectively installed on the low-speed shaft 4 and the high-speed shaft 5, then the rubber base 11 is installed on the inner bottom of the shell 1 below the detection gear 8, the receiver 10 is installed on the rubber base 11, and the transmitter 9 is installed on the detection gear 8, at this time, the motor is started, the motor drives the high-speed shaft 5 to rotate, the rotation speed of the low-speed shaft 4 is reduced through gear adjustment, in this process, the rubber plate 7 reduces the vibration of the speed reducer 3 on the shell 1, and the rubber base 11 reduces the vibration of the shell 1 on the receiver 10, thereby avoiding the shaking of the receiver 10 to cause measurement error, at this time, the receiver 10 receives an infrared signal of the transmitter 9 once when the detection gear 8 rotates a circle, thereby obtaining the rotation speed of the low-speed shaft 4 and the high-speed shaft 5, so as to calculate the differential speed, the internal oil temperature sensor 12 can monitor the oil temperature. Avoid high temperature, when the oil level height drops to the lower end of the oil level sensing probe 14, the sensor transmits a signal to the computer, reminding the staff to add machine oil.
[0025] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A flight conveyer reducer running state early warning device, comprising a shell (1), characterized in that: The shell (1) front end face is provided with a heat dissipation opening (2), and the shell (1) is internally provided with a speed reducer (3), the speed reducer (3) both sides are rotatably provided with a low-speed shaft (4) and a high-speed shaft (5), the low-speed shaft (4) and the high-speed shaft (5) lower ends are all provided with a differential detection mechanism, and the speed reducer (3) bottom is provided with a rubber plate (7), the rubber plate (7) is installed in the inner bottom of the shell (1); The differential detection mechanism includes a detection gear (8) fixed on the low-speed shaft (4) and the high-speed shaft (5), one of the detection gear (8) is provided with a transmitter (9), and the detection gear (8) lower end is provided with a receiver (10).
2. The scraper conveyor reducer operating state early warning device according to claim 1, characterized in that: The receiver (10) bottom is provided with a rubber seat (11), and the rubber seat (11) bottom is installed in the inner bottom of the shell (1).
3. The scraper conveyor reducer operating state early warning device according to claim 1, characterized in that: The speed reducer (3) inner bottom is provided with a waterproof box (6) through bolts, the waterproof box (6) front end face and top are both provided with a through hole, and the through hole is provided with a rubber washer.
4. The scraper conveyor reducer operating state early warning device according to claim 3, characterized in that: The waterproof box (6) is internally provided with an oil temperature sensor (12) and an oil level sensor (16), the oil temperature sensor (12) front end is provided with an oil temperature sensor probe (13), and the oil temperature sensor probe (13) is installed in the waterproof box (6) front end face through hole inner side.
5. The scraper conveyor reducer operating state early warning device according to claim 4, characterized in that: The oil level sensor (16) top rear end is provided with an oil level sensor probe (14), and the oil level sensor probe (14) is installed in the waterproof box (6) top through hole inner side.
6. The scraper conveyor reducer operating state early warning device according to claim 4, characterized in that: The waterproof box (6) front end is provided with a packing box (15), and the packing box (15) other end is installed on the speed reducer (3) front end face.