Conveyor screw shaft monitoring device
By setting up a dual monitoring method of current transformer and monitor on the screw conveyor, the problem of difficult to detect screw shaft fracture is solved, and the effect of timely alarm and loss reduction is achieved.
Patent Information
- Application Number
- CN202422200815.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-09
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-09
AI Technical Summary
During the long-term use of existing screw conveyors, the screw shaft fracture problem is difficult to be discovered in time, resulting in material accumulation and motor damage, and lack of effective monitoring devices.
A conveyor spiral shaft monitoring device is designed, combining a current transformer and a monitor. By monitoring the current changes of the motor and visually monitoring the rotation of the spiral shaft, the current transformer and monitor respectively transmit abnormal signals to the alarm, so as to realize dual monitoring of the spiral shaft.
It realizes rapid and effective monitoring of the spiral shaft and prompt alarm, reduces the losses caused by spiral shaft fracture, and improves the safety and reliability of the equipment.
Smart Images
Figure CN223175039U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of conveyors, in particular to a monitoring device for a conveyor screw shaft. Background Technique
[0002] A screw conveyor is a machine that uses an electric motor to drive a screw to rotate and push materials to achieve the purpose of conveying. It can convey horizontally, obliquely or vertically, and has the advantages of simple structure, small cross-sectional area, good sealing performance, convenient operation, easy maintenance, and convenient enclosed transportation. Screw conveyors are divided into two types in terms of conveying form: shafted screw conveyors and shaftless screw conveyors, and are divided into U-shaped screw conveyors and tubular screw conveyors in terms of appearance. Shafted screw conveyors are suitable for non-viscous dry powder materials and small particle materials (such as cement, fly ash, lime, grains, etc.), while shaftless screw conveyors are suitable for conveying viscous and easily entangled materials (such as sludge, biomass, garbage, etc.).
[0003] During the use of a screw conveyor, due to long-term operation, the problem of screw shaft fracture may occur. If not discovered in time, it will cause a large amount of material accumulation, and subsequent cleaning is very troublesome. Moreover, when the screw shaft is fractured, the motor continues to rotate, which may cause secondary damage. Therefore, how to quickly and effectively monitor the operation of the conveyor screw shaft is an urgent problem to be solved.
[0004] Therefore, a monitoring device for a conveyor screw shaft is needed to monitor the working state of the screw shaft and give an alarm in time when the screw shaft fractures, so as to facilitate the rapid disposal by the staff. Content of the Utility Model
[0005] In order to solve the above problems, the utility model proposes a monitoring device for a conveyor screw shaft, which has the characteristics of good monitoring effect and excellent adjustability.
[0006] To achieve the above purpose, the utility model proposes the following specific solutions:
[0007] A monitoring device for a conveyor screw shaft includes a bottom plate. The middle part of the top surface of the bottom plate is fixed with a support plate. The top end of the support plate is fixed with a connecting frame. A moving plate is movably inserted into the inner side of the connecting frame. One end of the moving plate is fixed with a connecting cylinder. A monitor is movably inserted into the inner side of the connecting cylinder. One side wall of the support plate is fixed with a current transformer. A slot is provided at the edge of one side wall of the current transformer. The middle part of the bottom surface of the current transformer is fixed with a power line. The middle part of the top surface of the current transformer is fixed with a first wire. One side wall of the support plate is fixed with an alarm. The alarm is located above the current transformer. The upper end of the first wire is fixed on the outer wall of the alarm. The middle part of one side wall of the alarm is fixed with a second wire. One end of the second wire is fixed on the monitor.
[0008] As a preferred technical solution of the conveyor screw shaft monitoring device of the present utility model, a plug hole is provided in the middle of the top surface of the connecting frame, and a fixing rod is movably inserted inside the plug hole.
[0009] As a preferred technical solution of the conveyor screw shaft monitoring device of the present utility model, a fixing groove is provided on the top surface of the moving plate, and the lower end of the fixing rod is movably inserted inside the fixing groove.
[0010] As a preferred technical solution of the conveyor screw shaft monitoring device of the present utility model, a connecting rod is fixed in the middle of one side wall of the monitor, and the connecting rod is movably inserted inside the connecting cylinder.
[0011] As a preferred technical solution of the conveyor screw shaft monitoring device of the present utility model, a threaded cylinder is fixed on the outer wall of the connecting cylinder, the threaded cylinder communicates with the inside of the connecting cylinder, and a screw rod is threadedly connected inside the threaded cylinder.
[0012] As a preferred technical solution of the conveyor screw shaft monitoring device of the present utility model, a baffle is fixed at the other end of the moving plate.
[0013] As a preferred technical solution of the conveyor screw shaft monitoring device of the present utility model, mounting holes are fixed at the edges of the top surface of the bottom plate.
[0014] As a preferred technical solution of the conveyor screw shaft monitoring device of the present utility model, there are multiple fixing grooves, and the size of the moving plate is adapted to the size inside the connecting frame.
[0015] Compared with the prior art, the present utility model has the following beneficial effects:
[0016] The present utility model monitors the motor current of the conveyor through the provided current transformer, judges whether the screw shaft is broken by the change of the current, and the monitor is responsible for video monitoring of the screw shaft to observe whether there is any abnormality in the rotation of the screw shaft. As long as any abnormality of the screw shaft is found in the two monitoring methods, the alarm will be activated respectively through the first wire and the second wire, and the alarm will alarm to remind the staff, which helps to reduce the loss caused by the breakage of the screw shaft.
[0017] The moving plate of the present utility model can move horizontally inside the connecting frame to drive the monitor to adjust the position, and the connecting rod can rotate inside the connecting cylinder to facilitate adjusting the tilting angle of the monitor, ensuring that the position and angle of the monitor are most suitable for monitoring the conveyor screw shaft and guaranteeing the clarity of the monitoring field of view. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to better describe the technical solution of the present utility model in detail, the present invention will be further described below with reference to the drawings and embodiments.
[0019] Figure 1 It is a three-dimensional view of the overall structure provided by the present utility model;
[0020] Figure 2 It is a three-dimensional sectional view of the present utility model;
[0021] Figure 3 For the present utility model Figure 2 An enlarged schematic view of part A in it;
[0022] Figure 4 For the present utility model Figure 2 An enlarged schematic view of part B in it.
[0023] In the figure: 1. Base plate; 11. Mounting hole; 12. Support plate; 13. Connecting frame; 131. Insertion hole; 132. Fixed rod; 14. Current transformer; 141. First wire; 142. Slot; 143. Power supply wire; 15. Alarm; 151. Second wire; 2. Moving plate; 21. Fixed slot; 22. Baffle; 23. Connecting cylinder; 231. Threaded cylinder; 232. Screw; 3. Monitor; 31. Connecting rod. Specific embodiments
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
[0025] Embodiment
[0026] Please refer to Figures 1-4 As shown, the present utility model provides the following technical solutions: A conveyor screw shaft monitoring device includes a base plate 1, and mounting holes 11 are fixed at the edges of the top surface of the base plate 1. Through the mounting holes 11, the base plate 1 can be fixed to the ground or an installation platform using bolts, ensuring that this solution will not tip over or shake during the monitoring process, thereby affecting the monitoring effect.
[0027] Refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4As shown in the figure, specifically, a support plate 12 is fixed in the middle of the top surface of the bottom plate 1, which can support the moving plate 2. A connecting frame 13 is fixed at the top end of the support plate 12 to facilitate the lateral movement of the moving plate 2. The moving plate 2 is movably inserted into the inner side of the connecting frame 13, which is used to support the monitor 3 and drive the monitor 3 to move laterally. The size of the moving plate 2 is adapted to the inner size of the connecting frame 13. One end of the moving plate 2 is fixed with a connecting cylinder 23 to fix the monitor 3 and facilitate the rotation and adjustment of the monitor 3. The monitor 3 is movably inserted into the inner side of the connecting cylinder 23 (the monitor 3 is a prior art, and the specific operation mode and principle can be referred to the intelligent electronic camera in the prior art, so it will not be elaborated here). The other end of the moving plate 2 is fixed with a baffle 22, which can prevent the moving plate 2 from moving out of the inner side of the connecting frame 13. A current transformer 14 (the current transformer 14 is a prior art, and the specific operation mode and principle can be referred to the electromagnetic current transformer in the prior art, so it will not be elaborated here) is fixed on one side wall of the support plate 12. A slot 142 is provided at the edge of one side wall of the current transformer 14 for inserting the power plug of the conveyor motor to realize the monitoring of the motor current. A power cord 143 is fixed in the middle of the bottom surface of the current transformer 14 for supplying power to the conveyor motor. A first wire 141 is fixed in the middle of the top surface of the current transformer 14 for transmitting abnormal signals to the alarm 15. An alarm 15 (the alarm 15 is a prior art, and the specific operation mode and principle can be referred to the electronic alarm in the prior art, so it will not be elaborated here) is fixed on one side wall of the support plate 12. The alarm 15 is located above the current transformer 14, and the upper end of the first wire 141 is fixed on the outer wall of the alarm 15. A second wire 151 is fixed in the middle of one side wall of the alarm 15. One end of the second wire 151 is fixed on the monitor 3, and the monitor 3 transmits abnormal signals to the alarm 15 through the second wire 151. This solution monitors the conveyor screw shaft through two methods of current monitoring and visual monitoring, with better monitoring effect and more timely alarm.
[0028] Refer to Figure 1 、 Figure 2 And Figure 3 As shown in the figure, specifically, a plug hole 131 is provided in the middle of the top surface of the connecting frame 13 to facilitate the insertion and extraction of the fixing rod 132. The fixing rod 132 is movably inserted into the inner side of the plug hole 131 to limit the moving plate 2. A fixing groove 21 is provided on the top surface of the moving plate 2, and there are multiple fixing grooves 21. By inserting the fixing rod 132 into different inner sides of the fixing grooves 21, the monitor 3 is fixed at different positions. The lower end of the fixing rod 132 is movably inserted into the inner side of the fixing groove 21. This solution can horizontally move and adjust the position of the monitor 3, with good adjustability and strong adaptability.
[0029] Refer to Figure 1 、 Figure 2 And Figure 4As shown in the figure, specifically, a connecting rod 31 is fixed in the middle of one side wall of the monitor 3 for connecting and fixing the monitor 3. The connecting rod 31 is movably inserted inside the connecting cylinder 23. The outer wall of the connecting cylinder 23 is fixed with a threaded cylinder 231 to provide a connecting space for the screw rod 232. The threaded cylinder 231 communicates with the inside of the connecting cylinder 23. A screw rod 232 is threadedly connected inside the threaded cylinder 231 to tightly fix the connecting rod 31. In this solution, by rotating the connecting rod 31 inside the connecting cylinder 23, the tilt angle of the monitor 3 can be adjusted, so as to obtain a clearer monitoring field of view and ensure the monitoring effect.
[0030] The working principle and usage process of the present utility model:
[0031] When in use, fix the bottom plate 1 at an appropriate position beside the screw conveyor, and use bolts to pass through the mounting holes 11 to fix the bottom plate 1. Then pull out the fixing rod 132 from inside the fixing groove 21, push the moving plate 2 to drive the monitor 3 to move above the screw shaft of the conveyor. Then insert the fixing rod 132 into the fixing groove 21 to fix the moving plate 2. After that, loosen the screw rod 232, and by rotating the monitor 3, drive the connecting rod 31 to rotate inside the connecting cylinder 23 to adjust the clear angle of the monitor 3. After the adjustment is completed, tighten the screw rod 232 to tightly fix the connecting rod 31. Finally, insert the power plug of the motor of the conveyor into the slot 142 on the current transformer 14, and connect the power cord 143 of the current transformer 14 to the power supply to start using. When the current transformer 14 detects a fault such as a short circuit in the motor current, it will transmit a signal to the alarm 15 through the first wire 141, and the alarm 15 will sound an alarm. When the monitor 3 detects abnormal rotation of the screw shaft, it will transmit a signal to the alarm 15 through the second wire 151, and the alarm 15 will sound an alarm to remind the staff to handle it.
[0032] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A conveyor screw shaft monitoring device, comprising a bottom plate (1), characterized in that: In the middle of the top surface of the bottom plate (1), a support plate (12) is fixed. At the top end of the support plate (12), a connection frame (13) is fixed. Inside the connection frame (13), a moving plate (2) is movably inserted. At one end of the moving plate (2), a connection cylinder (23) is fixed. Inside the connection cylinder (23), a monitor (3) is movably inserted. On one side wall of the support plate (12), a current transformer (14) is fixed. At the edge of one side wall of the current transformer (14), a slot (142) is provided. In the middle of the bottom surface of the current transformer (14), a power cord (143) is fixed. In the middle of the top surface of the current transformer (14), a first wire (141) is fixed. On one side wall of the support plate (12), an alarm (15) is fixed. The alarm (15) is located above the current transformer (in14). The upper end of the first wire (141) is fixed on the outer wall of the alarm (15). In the middle of one side wall of the alarm (15), a second wire (151) is fixed. One end of the second wire (151) is fixed on the monitor (3).
2. The conveyor screw shaft monitoring device according to claim 1, characterized in that: In the middle of the top surface of the connection frame (13), a socket hole (131) is provided. Inside the socket hole (131), a fixing rod (132) is movably inserted.
3. The conveyor screw shaft monitoring device according to claim 2, characterized in that: On the top surface of the moving plate (2), a fixing groove (21) is provided. The lower end of the fixing rod (132) is movably inserted inside the fixing groove (21).
4. The monitoring device for the conveyor screw shaft according to claim 3, characterized in that: In the middle of one side wall of the monitor (3), a connecting rod (31) is fixed. The connecting rod (31) is movably inserted inside the connection cylinder (23).
5. The monitoring device for the conveyor screw shaft according to claim 4, wherein: On the outer wall of the connection cylinder (23), a threaded cylinder (231) is fixed. The threaded cylinder (231) communicates with the inside of the connection cylinder (23). Inside the threaded cylinder (231), a screw rod (232) is threadedly connected.
6. The monitoring device for the spiral shaft of a conveyor according to claim 5, characterized in that: At the other end of the moving plate (2), a baffle (22) is fixed.
7. The conveyor screw shaft monitoring device according to claim 6, characterized in that: On the edge of the top surface of the bottom plate (1), a mounting hole (11) is fixed.
8. The monitoring device for the conveyor screw shaft according to claim 7, characterized in that: There are multiple fixing grooves (21). The size of the moving plate (2) is adapted to the size inside the connection frame (13).