Qualified medium and dilute medium adjusting device for undersize funnel of medium drainage screen of coal preparation plant
By installing a manual flap at the boundary between the combined medium section and the dilute medium section of the under-screen hopper, the problem of medium leakage caused by inaccurate medium distribution was solved, the accurate positioning of the medium was achieved, and the economic benefits and operational convenience of the coal preparation plant were improved.
Patent Information
- Application Number
- CN202520054730.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-10
AI Technical Summary
In existing coal preparation plants, the qualified medium and dilute medium regulating devices in the under-screen hopper of the desliming screen are not accurately positioned during use, leading to medium leakage and affecting the performance.
A manual flap is installed at the boundary between the combined medium section and the dilute medium section of the under-screen funnel. The medium distribution position is adjusted by the flap adjustment and fixing device. The flap adjustment and fixing structure is simple and can achieve accurate positioning of the medium.
It effectively solves the problem of media misuse, improves the accuracy of media distribution, enhances economic efficiency, and is easy to operate with a simple structure.
Smart Images
Figure CN223800669U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal medium recovery technical field, especially in coal preparation plant medium screen under the funnel qualified medium and dilute medium adjusting device. BACKGROUND
[0002] The coal medium recovery distribution adjusting support equipment of the coal preparation plant medium screen under the funnel qualified medium and dilute medium adjusting device needs to distribute according to the position of the qualified medium and dilute medium, and with the continuous development of science and technology, people's manufacturing process requirements for the coal preparation plant medium screen under the funnel qualified medium and dilute medium adjusting device are also higher and higher.
[0003] The existing coal preparation plant medium screen under the funnel qualified medium and dilute medium adjusting device has certain disadvantages in use, and the medium screen under the funnel qualified medium and dilute medium adjusting device is fixed and cannot be adjusted, but the distribution position of the qualified medium and dilute medium of the medium screen is not accurate, which causes medium running and brings certain adverse effects to the actual use process, and therefore, the coal preparation plant medium screen under the funnel qualified medium and dilute medium adjusting device is provided. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the coal preparation plant medium screen under the funnel qualified medium and dilute medium adjusting device is provided, a manual flap is arranged at the boundary between the medium screen under the funnel qualified medium and dilute medium adjusting device, and a flap adjusting and fixing device is arranged outside the medium screen under the funnel, the structure is simple, the distribution position of the qualified medium and dilute medium is adjusted through the flap, the problem of medium running is effectively solved, the economic benefit is obvious, and the problems in the background art can be effectively solved.
[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows: a coal preparation plant medium screen under the funnel qualified medium and dilute medium adjusting device, comprising a screen under the funnel and an adjusting shaft, a boundary is arranged in the middle of the screen under the funnel, the adjusting shaft passes through the position of the boundary, one end of the adjusting shaft is provided with a first support plate, the other end of the adjusting shaft is provided with a second support plate, a first flap is arranged on the outside of the first support plate on the adjusting shaft, the other end of the adjusting shaft is provided with a second support plate, and a second flap is arranged on the outside of the second support plate on the adjusting shaft.
[0006] Preferably, a plurality of limiting grooves are arranged on the outer ring of the first flap and the second flap, first limiting bolts are positioned on the two groups of limiting grooves on the first flap, and second limiting bolts are positioned on the two groups of limiting grooves on the second flap.
[0007] Preferably, a first bearing is arranged between the adjusting shaft and the first support plate, a second bearing is arranged between the second support plate and the adjusting shaft, a first spanner tube and a second spanner tube are respectively arranged at two ends of the adjusting shaft, a spanner round tube sleeve is arranged outside the first spanner tube and the second spanner tube, a first limiting bolt is arranged between the first flap and the first support plate, and a second limiting bolt is arranged between the second support plate and the second flap.
[0008] Preferably, the second flap is limited by the limiting groove and the second limiting bolt, and the first flap is limited by the limiting groove and the first limiting bolt.
[0009] Preferably, the adjusting shaft is rotatably arranged at the middle part of the first support plate and the second support plate through the first bearing and the second bearing, the first flap is limited by the first limiting bolt, and the second flap is limited by the second limiting bolt.
[0010] Preferably, the under-screen funnel is fixed to the adjusting shaft, and the under-screen funnel is adjusted by the adjusting shaft.
[0011] Compared with the prior art, the present application provides a qualified medium and dilute medium adjusting device for an under-screen funnel of a coal preparation plant, which has the following beneficial effects: the qualified medium and dilute medium adjusting device for the under-screen funnel of the coal preparation plant is provided with a manual flap at the boundary between the medium segment and the dilute segment of the under-screen funnel, and is provided with a flap adjusting and fixing device outside the under-screen funnel, so that the qualified medium and dilute medium distribution position is adjusted through the flap, the medium leakage problem is effectively solved, the economic benefit is obvious, the qualified medium and dilute medium adjusting device for the under-screen funnel of the coal preparation plant has a simple structure, is convenient to operate, and has a better use effect than the traditional mode. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is a whole structure schematic view of the qualified medium and dilute medium adjusting device for the under-screen funnel of the coal preparation plant.
[0013] Fig. 2 It is a structure schematic view of the flap in the qualified medium and dilute medium adjusting device for the under-screen funnel of the coal preparation plant.
[0014] Fig. 3 It is a structure schematic view of the enlarged view of A in the qualified medium and dilute medium adjusting device for the under-screen funnel of the coal preparation plant.
[0015] In the figure: 1, sieve funnel; 2, demarcation line; 3, first support plate; 4, first flap; 5, adjusting shaft; 6, first wrench pipe; 7, wrench round pipe outer sleeve; 8, first limiting bolt; 9, first bearing; 10, second bearing; 11, second limiting bolt; 12, second wrench pipe; 13, second flap; 14, second support plate; 15, limiting groove. DETAILED DESCRIPTION
[0016] The technical scheme of the present application will be described clearly and completely in combination with the drawings and specific embodiments.
[0017] As Figs. 1-3 shown in the figure, a medium sieve screen under sieve funnel qualified medium and dilute medium adjusting device of coal preparation plant, including sieve funnel 1 and adjusting shaft 5, the middle part of sieve funnel 1 is provided with demarcation line 2, and the position of adjusting shaft 5 passes through demarcation line 2, one end of adjusting shaft 5 is provided with first support plate 3, the other end of adjusting shaft 5 is provided with second support plate 14, the outer side of first support plate 3 on adjusting shaft 5 is provided with first flap 4, the other end of adjusting shaft 5 is provided with second support plate 14, the outer side of second support plate 14 on adjusting shaft 5 is provided with second flap 13, manual flap is arranged at the demarcation of sieve funnel medium section and dilute medium section, flap adjusting and fixing device is arranged outside sieve funnel, simple structure, qualified medium and dilute medium distribution position are adjusted through flap, effectively solve the problem of medium running, and the economic benefit is obvious.
[0018] The outer ring of first flap 4 and second flap 13 is evenly provided with a plurality of limiting grooves 15, first limiting bolt 8 is positioned on the two groups of limiting grooves 15 on first flap 4, and second limiting bolt 11 is positioned on the two groups of limiting grooves 15 on second flap 13.
[0019] First bearing 9 is arranged between adjusting shaft 5 and first support plate 3, second bearing 10 is arranged between second support plate 14 and adjusting shaft 5, first wrench pipe 6 and second wrench pipe 12 are respectively installed at the two ends of adjusting shaft 5, wrench round pipe outer sleeve 7 is positioned on the outer side of first wrench pipe 6 and second wrench pipe 12, first limiting bolt 8 is positioned between first flap 4 and first support plate 3, and second limiting bolt 11 is positioned between second support plate 14 and second flap 13.
[0020] Second flap 13 is limited by limiting groove 15 and second limiting bolt 11, and first flap 4 is limited by limiting groove 15 and first limiting bolt 8.
[0021] Adjusting shaft 5 rotates and moves in the middle part of first support plate 3 and second support plate 14 through first bearing 9 and second bearing 10, first flap 4 is limited by first limiting bolt 8, and second flap 13 is limited by second limiting bolt 11.
[0022] The sieve funnel 1 is fixed between the adjusting shaft 5, and the sieve funnel 1 is adjusted by the adjusting shaft 5.
[0023] Working principle: the utility model discloses a sieve funnel 1, demarcation line 2, first support plate 3, first flap 4, adjusting shaft 5, first wrench pipe 6, wrench round pipe outer cover 7, first limit bolt 8, first bearing 9, second bearing 10, second limit bolt 11, second wrench pipe 12, second flap 13, second support plate 14, limit slot 15, set up manual flap at sieve funnel combined medium section and dilute medium section demarcation, set up flap adjusting and fixing device outside sieve funnel, simple structure, adjust qualified medium and dilute medium distribution position through flap, effectively solve the problem of running medium, and the economic benefit is obvious. The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed.
Claims
1. A medium regulating device for qualified medium and dilute medium of a screen under hopper of a coal preparation plant, comprising a screen under hopper (1) and a regulating shaft (5), characterized in that: The middle part of the under-screen funnel (1) is provided with a boundary line (2), and the adjusting shaft (5) passes through the position of the boundary line (2), one end of the adjusting shaft (5) is provided with a first supporting plate (3), the other end of the adjusting shaft (5) is provided with a second supporting plate (14), the outer side of the adjusting shaft (5) located at the first supporting plate (3) is provided with a first flap (4), the other end of the adjusting shaft (5) is provided with a second supporting plate (14), and the outer side of the adjusting shaft (5) located at the second supporting plate (14) is provided with a second flap (13).
2. The medium and dilute medium regulating device for the under sieve hopper of a coal preparation plant dense medium separation plant according to claim 1, characterized in that: A plurality of sets of limiting grooves (15) are uniformly arranged on the outer rings of the first flap (4) and the second flap (13), first limiting bolts (8) are positioned on the two sets of limiting grooves (15) on the first flap (4), and second limiting bolts (11) are positioned on the two sets of limiting grooves (15) on the second flap (13).
3. The medium and dilute medium regulating device for the under sieve hopper of a coal preparation plant dense medium separation plant according to claim 1, characterized in that: The first supporting plate (3) is provided with a first bearing (9) between the adjusting shaft (5), the second supporting plate (14) is provided with a second bearing (10) between the adjusting shaft (5), and the first wrench pipe (6) and the second wrench pipe (12) are respectively installed at the two ends of the adjusting shaft (5). The outer sides of the first wrench pipe (6) and the second wrench pipe (12) are positioned with wrench round pipe outer sleeves (7), the first limiting bolts (8) are positioned between the first flap (4) and the first supporting plate (3), and the second limiting bolts (11) are positioned between the second supporting plate (14) and the second flap (13).
4. The medium and dilute medium regulating device for the under sieve hopper of a coal preparation plant dense medium separation plant according to claim 2, characterized in that: The second flap (13) is limited by the limiting groove (15) and the second limiting bolt (11), and the first flap (4) is limited by the limiting groove (15) and the first limiting bolt (8).
5. The medium regulating device for the underflow hopper of the coal preparation plant medium screen according to claim 3, characterized in that: The adjusting shaft (5) rotates movably in the middle part of the first supporting plate (3) and the second supporting plate (14) through the first bearing (9) and the second bearing (10), the first flap (4) is limited by the first limiting bolt (8), and the second flap (13) is limited by the second limiting bolt (11).
6. The medium and dilute medium regulating device for the under sieve hopper of a coal preparation plant dense medium separation plant according to claim 1, characterized in that: The under-screen funnel (1) is fixed with the adjusting shaft (5), and the adjusting shaft (5) drives the under-screen funnel (1) to adjust.