Sensor mounting structure for vibrating screen

Abstract

The utility model discloses a sensor mounting structure for a vibrating screen, which belongs to the field of coal preparation equipment and comprises a base, a sensor mounting groove and a permanent magnet mounting groove are arranged on the base, and a state detection sensor and a permanent magnet strip are respectively mounted in the sensor mounting groove and the permanent magnet mounting groove. A threaded hole is formed in the bottom face of the sensor installation groove, a counterbore is formed in the state detection sensor, and the state detection sensor is installed in the sensor installation groove through a fastener. The special sensor mounting groove and the permanent magnet mounting groove are formed in the base, so that stable integration of the state detection sensor and the permanent magnet strip is realized, the state detection sensor and the permanent magnet strip are convenient to mount and dismount on the vibrating screen, and the mounting reliability and tightness are greatly enhanced through the design of the threaded holes and the counterbores and the use of fasteners.

Description

Technical Field

[0001] The utility model belongs to the field of coal preparation equipment, and in particular relates to a sensor installation structure for a vibrating screen. Background Art

[0002] In the coal preparation industry, vibrating screens play a vital role and are the core equipment for efficient grading and screening of coal. Its basic function is to effectively separate different particle size components in raw coal through a vibration mechanism and a precisely designed screen structure, remove impurities and gangue, and significantly improve the quality and purity of coal. The precise practicality of the vibrating screen not only ensures the accuracy and stability of the coal preparation process, but also promotes on-demand grading of coal to meet diversified application requirements, while optimizing production efficiency and reducing manpower dependence and cost consumption. The high reliability and durability of the equipment ensure continuous operation capabilities and prevent production losses caused by unexpected downtime.

[0003] However, the performance of the vibrating screen is highly dependent on the integrity of the screen plate. As a key component directly involved in material screening, the integrity of the screen plate directly affects the washing efficiency and product quality. Broken screen holes or screen plate detachment will directly lead to reduced screening efficiency, system blockage and even more serious safety accidents. Therefore, daily monitoring and maintenance of the screen plate is a necessary measure to ensure the stable operation of the entire coal preparation production line.

[0004] With the advancement of technology and the improvement of safety awareness, it has become a trend to install sensors on the screen plate to monitor its status in real time. This approach can provide early warning of potential failures and reduce unplanned downtime, but it has encountered challenges in practice. For example, the invention patent with publication number CN111001566A discloses a vibrating screen status monitoring device and a vibrating screen, including: a control module, a collection module, a wireless transmission module and an alarm module. This invention patent can determine whether the vibrating screen is abnormal based on the screen box amplitude, lateral deflection, vibration direction angle and vibration frequency, so as to realize the monitoring of the vibrating screen.

[0005] However, most of the vibrating screens and their screen plates on the market currently follow established standard specifications, and these standard parts are not natively designed to support the convenient installation of sensors. Therefore, installing sensors on existing screen plates faces problems such as loose fixation and cumbersome installation, which not only affects the accuracy of sensor monitoring data, but also limits the in-depth application of intelligent monitoring technology in the field of coal preparation. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a sensor installation structure for a vibrating screen.

[0007] To achieve the above purpose, the technical solution of the utility model is:

[0008] A sensor mounting structure for a vibrating screen comprises a base, wherein the base is provided with a sensor mounting groove and a permanent magnet mounting groove, wherein a state detection sensor and a permanent magnet strip are respectively mounted in the sensor mounting groove and the permanent magnet mounting groove, wherein a threaded hole is formed on the bottom surface of the sensor mounting groove, and a countersunk hole is provided on the state detection sensor, and the state detection sensor is mounted in the sensor mounting groove by means of a fastener.

[0009] Preferably, the base is in the shape of a flat long strip, and the sensor mounting groove and the permanent magnet mounting groove are respectively arranged on two sides of the base with the largest surface areas.

[0010] Preferably, the cross-section of the status detection sensor is trapezoidal, one side wall of the sensor mounting groove extends outward to form an opening on the side of the base, the top of the side wall of the sensor mounting groove extends inward to form a limiting structure, and the sensor mounting groove is arranged into a channel with a trapezoidal cross-section along the opening direction.

[0011] Preferably, two side-by-side permanent magnet mounting grooves are provided on the base, and the cross-sections of the permanent magnet mounting grooves and the permanent magnet strips are both trapezoidal.

[0012] Preferably, at least one positioning column is provided on the side of the base where the permanent magnet installation groove is provided, and a guide portion is provided on the top of the positioning column.

[0013] Preferably, shock-absorbing pads are provided on the inner walls of the sensor installation groove and the permanent magnet installation groove.

[0014] After adopting the above technical solution, the sensor installation structure for a vibrating screen provided by the utility model has the following beneficial effects compared with the prior art.

[0015] (1) By setting up special sensor installation slots and permanent magnet installation slots on the base, the state detection sensor and the permanent magnet strip are stably integrated, which is convenient for installation and disassembly on the vibrating screen. The design of threaded holes and countersunk holes is used in conjunction with fasteners, which greatly enhances the reliability and tightness of the installation.

[0016] (2) By adopting a flat and long base design and arranging the sensor mounting slot and the permanent magnet mounting slot on the side of the base with the largest surface area, it not only optimizes the space occupancy and improves the compactness and integration of the equipment, but also makes it easier to find a suitable installation position in the complex structure of the vibrating screen, thereby enhancing the flexibility and versatility of installation.

[0017] (3) By adding shock-absorbing pads to the inner walls of the sensor mounting groove and the permanent magnet mounting groove, the vibration energy generated by the vibrating screen during operation is effectively absorbed and alleviated, protecting the sensor and permanent magnet from damage, reducing vibration noise, and extending the service life of the components. At the same time, the quality of the measurement data is improved, and the overall working performance and efficiency of the vibrating screen are improved.

[0018] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work. In the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the top structure of the base of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal horizontal structure of the base of the utility model;

[0022] Figure 3 It is a schematic diagram of the bottom structure of the base of the utility model;

[0023] Figure 4 It is a schematic diagram of the internal longitudinal structure of the base of the utility model;

[0024] Figure 5 This is a schematic diagram of the top structure of the state detection sensor of the utility model;

[0025] Figure 6 It is a lateral structural schematic diagram of the state detection sensor of the utility model.

[0026] In the figure: 1. base; 2. sensor mounting slot; 3. permanent magnet mounting slot; 4. status detection sensor; 5. permanent magnet strip; 6. threaded hole; 7. countersunk hole; 8. positioning column; 9. guide part.

[0027] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0028] like Figures 1 to 6As shown, the utility model provides a sensor mounting structure for a vibrating screen, including a base 1, a sensor mounting groove 2 and a permanent magnet mounting groove 3 are opened on the base 1, a state detection sensor 4 and a permanent magnet strip 5 are installed in the sensor mounting groove 2 and the permanent magnet mounting groove 3 respectively, a threaded hole 6 is opened on the bottom surface of the sensor mounting groove 2, a countersunk hole 7 is provided on the state detection sensor 4, and the state detection sensor 4 is installed in the sensor mounting groove 2 by fasteners.

[0029] By arranging a special sensor mounting groove 2 and a permanent magnet mounting groove 3 on the base 1, a stable integration of the state detection sensor 4 and the permanent magnet strip 5 is achieved, and installation and disassembly on the vibrating screen are convenient. The design of the threaded hole 6 and the countersunk hole 7 is used in conjunction with fasteners, which greatly enhances the reliability and tightness of the installation.

[0030] The base 1 is in a flat and long strip shape, and the sensor mounting slot 2 and the permanent magnet mounting slot 3 are respectively arranged on the two sides with the largest surface area of ​​the base 1. By adopting the design of the flat and long strip base 1 and arranging the sensor mounting slot 2 and the permanent magnet mounting slot 3 on the side with the largest surface area of ​​the base 1, not only the space occupation is optimized, the compactness and integration of the equipment are improved, but also it is easy to find a suitable installation position in the complex structure of the vibrating screen, and the flexibility and versatility of the installation are enhanced.

[0031] Preferably, the cross-section of the status detection sensor 4 is a trapezoid, one side wall of the sensor mounting groove 2 extends outward to form an opening on the side of the base 1, the top of the side wall of the sensor mounting groove 2 extends inward to form a limiting structure, and the sensor mounting groove 2 is arranged along the opening direction into a channel with a trapezoidal cross-section.

[0032] The status detection sensor 4 adopts a trapezoidal cross-section design, which is combined with the special structure of the sensor mounting groove 2 to form a well-guided installation channel. The limiting structure is a limiting edge extending toward the inside of the sensor mounting groove 2, which is used to limit the vertical movement of the trapezoidal cross-section status detection sensor 4. The fastener is passed through the countersunk hole 7 to fix the status detection sensor 4 to the threaded hole 6.

[0033] The base 1 is provided with two side-by-side permanent magnet mounting grooves 3, and the cross-sections of the permanent magnet mounting grooves 3 and the permanent magnet strip 5 are both trapezoidal. The two side-by-side trapezoidal permanent magnet mounting grooves 3 are provided to match the permanent magnet strip 5 of the corresponding shape, thereby enhancing the concentration and adsorption capacity of the magnetic field. At the same time, the trapezoidal design helps to securely install the permanent magnet and reduces the risk of displacement caused by vibration. The permanent magnet strip 5 is preferably a strong magnet such as a boron magnet, so as to achieve long-term non-demagnetization and extend the service life.

[0034] Preferably, at least one positioning column 8 is provided on the side of the base 1 where the permanent magnet installation groove 3 is opened, and a guide portion 9 is provided at the top of the positioning column 8. The guide portion 9 is hemispherical or conical, which is convenient for inserting into the sieve hole of the vibrating screen. Preferably, two positioning columns 8 are provided, and a more stable limiting effect is achieved by the two positioning columns 8 and the permanent magnet strip 5.

[0035] Preferably, shock-absorbing pads are provided on the inner walls of the sensor mounting slot 2 and the permanent magnet mounting slot 3. The shock-absorbing pads are added to the inner walls of the sensor mounting slot 2 and the permanent magnet mounting slot 3 to effectively absorb and alleviate the vibration energy generated when the vibrating screen is working, protect the sensor and the permanent magnet from damage, reduce vibration noise, extend the service life of the components, and improve the quality of the measurement data, thereby improving the overall working performance and efficiency of the vibrating screen.

[0036] When in use, place the shock-absorbing pad on the inner wall of the sensor installation slot 2 in advance to enhance the buffering effect. Align the countersunk hole 7 of the status detection sensor 4 with the threaded hole 6 on the bottom surface of the sensor installation slot 2 on the base 1, and screw in the fastener until it is tightened to ensure that the sensor is stable and does not shake.

[0037] A shock-absorbing pad is also placed in the permanent magnet installation slot 3. The permanent magnet strip 5 is stably placed in the corresponding permanent magnet installation slot 3 according to the slot design, ensuring that the permanent magnet strip 5 fits tightly with the permanent magnet installation slot 3, and the permanent magnet strip 5 is kept stable by its own magnetism or auxiliary fixings (if necessary, the side opening of the permanent magnet installation slot 3 can be closed to fix the permanent magnet strip 5).

[0038] Insert the positioning column 8 into the sieve hole along the guide part 9, and realize the magnetic attraction effect on the sieve plate through the permanent magnetic strip 5.

[0039] Furthermore, a positioning hole is processed on the vibration screen corresponding to the positioning column 8, and the positioning is achieved by inserting the positioning column 8 into the positioning hole. Furthermore, the material of the permanent magnet strip 5 is generally brittle and its rigidity is insufficient, so a shock-absorbing pad is provided to prevent the permanent magnet strip 5 from being shattered during the operation of the vibration screen. The shock-absorbing pad may also be omitted, and the permanent magnet strip 5 may be fixed to the permanent magnet mounting slot 3 by metal glue. Since the metal glue has a certain thickness, it can have a shock-absorbing effect, and the fixing effect of the metal glue is extremely strong, which can ensure that the permanent magnet 5 will not fall off.

[0040] The above is only a preferred embodiment of the present invention, and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes using the technical content suggested above without departing from the scope of the technical solution of the present invention. The implementation schemes in the above embodiments can also be further combined or replaced. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the present invention.

Claims

1. A sensor mounting structure for a vibrating screen, characterized in that: The invention comprises a base (1), wherein the base (1) is provided with a sensor mounting groove (2) and a permanent magnet mounting groove (3), wherein a state detection sensor (4) and a permanent magnet strip (5) are respectively installed in the sensor mounting groove (2) and the permanent magnet mounting groove (3), wherein a threaded hole (6) is provided on the bottom surface of the sensor mounting groove (2), and a countersunk hole (7) is provided on the state detection sensor (4), and the state detection sensor (4) is installed in the sensor mounting groove (2) by means of a fastener.

2. A sensor installation structure for a vibrating screen according to claim 1, characterized in that: The base (1) is in the shape of a flat long strip, and the sensor mounting groove (2) and the permanent magnet mounting groove (3) are respectively arranged on two sides of the base (1) with the largest surface areas.

3. A sensor installation structure for a vibrating screen according to claim 2, characterized in that: The cross-section of the state detection sensor (4) is a trapezoid; a side wall of the sensor installation groove (2) extends outward to form an opening on the side of the base (1); the top of the side wall of the sensor installation groove (2) extends inward to form a limiting structure; and the sensor installation groove (2) is arranged along the direction of the opening to form a channel with a trapezoidal cross-section.

4. A sensor installation structure for a vibrating screen according to claim 2, characterized in that: The base (1) is provided with two side-by-side permanent magnet mounting grooves (3), and the cross-sections of the permanent magnet mounting grooves (3) and the permanent magnet strips (5) are both trapezoidal.

5. A sensor installation structure for a vibrating screen according to any one of claims 1 to 4, characterized in that: At least one positioning column (8) is provided on the side of the base (1) where the permanent magnet installation groove (3) is opened, and a guide portion (9) is provided at the top end of the positioning column (8).

6. A sensor installation structure for a vibrating screen according to any one of claims 1 to 4, characterized in that: Shock-absorbing pads are provided on the inner walls of the sensor installation groove (2) and the permanent magnet installation groove (3).

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