Inclined coal blocking switch based on material conveying system
By designing a tilt-type coal blocking switch, the problem of rotary resistance level switch being easily damaged in coal mine transportation is solved, and the effect of stable operation and extended equipment life is achieved in harsh environments.
Patent Information
- Application Number
- CN202422610500.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-10-29
AI Technical Summary
In the prior art, the rotary resistance level switch is easily damaged in the harsh environment of coal mine transportation, resulting in equipment abnormalities and difficulty in maintaining.
A tilt-type coal-blocking switch based on the feeding system is designed, including fixed plates, columns, crossbars, barrier plates and inclined switches. Through a simple structural combination, it is convenient to be installed on the frame of the coal-transporting belt, reducing precision components and adapting to long-term and stable work in harsh environments.
It improves the convenience and reliability of use, can work stably for a long time in harsh environments, reduces the use of precision components, adapts to coal conveying belts of different widths and heights, and extends the service life of the equipment.
Smart Images

Figure CN223225172U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coal conveying equipment, in particular to an inclined coal blocking switch based on a conveying system. Background Art
[0002] Coal blockage is a common occurrence in coal handling systems following equipment anomalies. It often causes equipment damage, increases labor intensity, negatively impacts the company, and significantly disrupts normal maintenance work. Once a coal blockage occurs, the workload for operators on duty increases dramatically, and the coal handling system becomes difficult to stabilize. This problem occurs not only in coal handling systems in the power industry, but also in the coking industry and coal upgrading, where equipment frequently faces coal blockage at coal bunker feed points, drop points, and secondary cleaners.
[0003] Currently, rotary paddle level switches are often used to monitor raw coal during transportation. However, due to the complex structure of rotary paddle level switches and the harsh environment of coal mine transportation, they are prone to damage, causing inconvenience to coal mine transportation. Therefore, a new technical solution is needed to solve this problem. Utility Model Content
[0004] The purpose of the utility model is to provide an inclined coal blocking switch based on a feeding system, which solves the problem that the rotary paddle type material level switch in the prior art is easily damaged in the harsh environment of coal mine transportation.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an inclined coal blocking switch based on a feeding system, comprising a fixed plate, a column, a cross bar, a baffle plate and a tilt switch, the surface of the fixed plate is fixedly connected with a vertically distributed column, the cross bar is perpendicular to the column and a sliding sleeve is provided at the connection with the column, the lower surface of the sliding sleeve is provided with a limiting washer, the side wall of the limiting washer is provided with a threaded locking bolt, the surface of the cross bar is provided with a rotatably connected baffle plate, the connection between the baffle plate and the cross bar is provided with a sleeve, and the surface of the baffle plate is provided with a vertically distributed tilt switch.
[0006] As an improvement to the above technical solution, a plurality of strip-shaped holes are provided on the surface of the fixing plate, and a reinforcing angle piece connected by bolts is provided at the connection between the fixing plate and the column.
[0007] As an improvement to the above technical solution, the end face of the column is square and has longitudinally distributed positioning grooves on the surface, and the inner end of the locking bolt is embedded in the positioning groove.
[0008] As an improvement of the above technical solution, the surface of the crossbar is provided with evenly distributed limiting grooves, and the surface of the limiting groove is provided with a positioning ring with a snap-fit connection, and the outer diameter of the positioning ring is larger than the inner diameter of the sleeve.
[0009] As an improvement of the above technical solution, an inward-rolled retaining edge is provided at the lower edge of the baffle plate, a fixed cover is provided at the connection between the baffle plate and the tilt switch, and the tilt switch is embedded in the fixed cover and snap-connected with the fixed cover.
[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0011] 1. The utility model utilizes a fixed plate, a column, a cross bar, a material blocking plate and a tilt switch to form an inclined coal blocking switch, which can be directly installed on the frame of the coal conveyor belt, thereby improving the convenience of use. The structure is simple and reliable, and the use of precision components is reduced. It can work stably for a long time in harsh environments.
[0012] 2. The utility model provides evenly distributed limit grooves on the surface of the cross bar, and cooperates with the positioning rings on both sides of the sleeve that are buckled and connected to the limit grooves, so as to facilitate the adjustment of the position of the material baffle plate and adapt to coal conveyor belts of different widths. By providing adjustable limit washers on the surface of the column, the height of the cross bar can be adjusted, thereby facilitating the adjustment of the detection height and improving the versatility of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the structure of the inclined coal blocking switch based on the feeding system of the utility model;
[0014] Figure 2 This is a side structural schematic diagram of the baffle plate of the present invention.
[0015] In the figure: fixing plate 1, column 2, cross bar 3, material stop plate 4, tilt switch 5, sliding sleeve 6, limit washer 7, locking bolt 8, sleeve 9, strip hole 10, reinforcement angle piece 11, positioning groove 12, limiting groove 13, positioning ring 14, retaining edge 15, fixing cover 16. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0017] See also Figure 1-2The utility model provides a technical solution: an inclined coal blocking switch based on a feeding system, comprising a fixed plate 1, a column 2, a cross bar 3, a baffle plate 4 and a tilt switch 5. The surface of the fixed plate 1 is fixedly connected to a vertically distributed column 2, the cross bar 3 is perpendicular to the column 2 and is provided with a sliding sleeve 6 at the connection with the column 2, the lower surface of the sliding sleeve 6 is provided with a limiting washer 7, the side wall of the limiting washer 7 is provided with a threaded locking bolt 8, the surface of the cross bar 3 is provided with a rotatably connected baffle plate 4, the connection between the baffle plate 4 and the cross bar 3 is provided with a sleeve 9, and the surface of the baffle plate 4 is provided with a vertically distributed tilt switch 5.
[0018] As a further improvement, a plurality of strip holes 10 are provided on the surface of the fixing plate 1, and a reinforcing angle piece 11 connected by bolts is provided at the connection between the fixing plate 1 and the column 2. By providing the strip holes 10 on the surface of the fixing plate 1, it is convenient to fix the fixing plate 1 on the surface of the coal conveying equipment, and by providing the reinforcing angle piece 11 at the connection between the column 2 and the fixing plate 1, the structural strength of the connection between the column 2 and the fixing plate 1 and the convenience of installation are improved.
[0019] As a further improvement, the end face of the column 2 is square and a longitudinally distributed positioning groove 12 is opened on the surface. The inner end of the locking bolt 8 is embedded in the positioning groove 12. By adopting a column 2 with a square end face, the stability of the connection between the cross bar 3 and the column 2 is improved. By opening a positioning groove 12 on the side wall of the column 2, it is convenient to cooperate with the locking bolt 8 to fix the limit washer 7, and it is convenient to adjust the position of the cross bar 3.
[0020] As a further improvement, the surface of the cross bar 3 is provided with evenly distributed limiting grooves 13, and the surface of the limiting grooves 13 is provided with a positioning ring 14 that is snap-fitted. The outer diameter of the positioning ring 14 is larger than the inner diameter of the sleeve 9. By providing evenly distributed limiting grooves 13 on the surface of the cross bar 3 and cooperating with the positioning ring 14 to limit the material baffle 4, it is convenient to adjust and use.
[0021] Specifically, the lower edge of the baffle plate 4 is provided with an inward-rolled retaining edge 15, and the connection between the baffle plate 4 and the tilt switch 5 is provided with a fixed cover 16. The tilt switch 5 is embedded in the fixed cover 16 and is snap-connected with the fixed cover 16. By providing a curved retaining edge 15 at the lower edge of the baffle plate 4, the raw coal can be prevented from being stuck and the passability of the raw coal can be improved. By providing a fixed cover 16 on the surface of the baffle plate 4, the tilt switch 5 can be conveniently protected and the tilt switch 5 can be prevented from directly contacting the harsh environment, thereby greatly improving the service life of the tilt switch 5.
[0022] The fixed plate-1, column-2, cross bar-3, material baffle plate-4, tilt switch-5, sliding sleeve-6, limit washer-7, locking bolt-8, sleeve-9, strip hole-10, reinforcement angle piece-11, positioning groove-12, limit groove-13, positioning ring-14, retaining edge-15, and fixed cover-16 of the utility model are all universal standard parts or parts known to technical personnel in this field, and their structures and principles can be known to technical personnel in this field through technical manuals or through conventional experimental methods. The utility model utilizes the fixed plate 1, column 2, cross bar 3, material baffle plate 4 and tilt switch 5 to form an inclined coal blocking switch, which is convenient to be directly installed on the frame of the coal conveyor belt, thereby improving the convenience of use, and has a simple and reliable structure, reduces the use of precision components, and can work stably for a long time in harsh environments.
[0023] When the utility model is in use, a fixing bolt is used to penetrate the strip hole 10 on the surface of the fixing plate 1 and then fix it to the coal conveyor belt. The position of the cross bar 3 is adjusted according to the coal conveying height of the coal conveyor belt surface, and the limit washer 7 is moved up and down along the positioning groove 12. After the adjustment is completed, the locking bolt 8 can be tightened. The position of the baffle plate 4 is adjusted according to the width of the coal conveyor belt, and the sleeve 9 is slid along the surface of the cross bar 3 so that the baffle plate 4 is located at the center of the coal conveyor belt. The positioning rings 14 are respectively embedded in the positioning rings 14 at both ends of the sleeve 9. When the coal conveyor belt is working, the baffle plate 4 is pushed by the raw coal to tilt and rotate, and the tilt switch 5 can be triggered accordingly.
[0024] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended that all changes that fall within the meaning and range of equivalents of the claims are included in the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.
[0025] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A tilt-type coal blocking switch based on a feeding system, comprising a fixed plate (1), a column (2), a crossbar (3), a material blocking plate (4) and a tilt switch (5), characterized in that: The surface of the fixed plate (1) is fixedly connected with a vertically distributed column (2); the cross bar (3) is perpendicular to the column (2) and a sliding sleeve (6) is provided at the connection with the column (2); a limiting washer (7) is provided on the lower surface of the sliding sleeve (6); a locking bolt (8) connected by a thread is provided on the side wall of the limiting washer (7); a rotatably connected baffle plate (4) is provided on the surface of the cross bar (3); a sleeve (9) is provided at the connection between the baffle plate (4) and the cross bar (3); and a vertically distributed tilt switch (5) is provided on the surface of the baffle plate (4).
2. The inclined coal blocking switch based on the feeding system according to claim 1 is characterized in that: A plurality of strip-shaped holes (10) are provided on the surface of the fixing plate (1), and a reinforcing angle piece (11) connected by bolts is provided at the connection between the fixing plate (1) and the column (2).
3. The inclined coal blocking switch based on the feeding system according to claim 1 is characterized in that: The end face of the column (2) is square and has a longitudinally distributed positioning groove (12) on the surface, and the inner end of the locking bolt (8) is embedded in the positioning groove (12).
4. The inclined coal blocking switch based on the feeding system according to claim 1 is characterized in that: The surface of the crossbar (3) is provided with evenly distributed limiting grooves (13), and the surface of the limiting groove (13) is provided with a positioning ring (14) for snap-fit connection, and the outer diameter of the positioning ring (14) is larger than the inner diameter of the sleeve (9).
5. The inclined coal blocking switch based on the feeding system according to claim 4 is characterized in that: An inwardly rolled retaining edge (15) is provided at the lower edge of the retaining plate (4), a fixed cover (16) is provided at the connection between the retaining plate (4) and the tilt switch (5), and the tilt switch (5) is embedded in the fixed cover (16) and is buckled and connected to the fixed cover (16).