CN201287066Y - Off-set crank block driving device of movable sieve jig - Google Patents
Off-set crank block driving device of movable sieve jig Download PDFInfo
- Publication number
- CN201287066Y CN201287066Y CNU2008201062575U CN200820106257U CN201287066Y CN 201287066 Y CN201287066 Y CN 201287066Y CN U2008201062575 U CNU2008201062575 U CN U2008201062575U CN 200820106257 U CN200820106257 U CN 200820106257U CN 201287066 Y CN201287066 Y CN 201287066Y
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- China
- Prior art keywords
- slide block
- sieve
- crank
- offset
- adjusting
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- Expired - Fee Related
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Abstract
The utility model provides an offset slider-crank transmission device of a movable sieve jig, and belongs to the technical field of coal washing equipment. The utility model aims to provide an offset slider-crank transmission device which is capable of adjusting the size of the amplitude of the moving sieve, and is favorable for solving the problem of poor separation effect caused by low probability of adjustment of the amplitude of the moving sieve in the prior mechanical movable sieve jig. The utility model adopts the technical scheme that the slider-crank transmission device comprises an offset crank, a slide block, a slide way and an adjusting screw; one end of the slide block is in fit connection with the offset crank; the slide block is connected with the movable sieve body; the slide block and the adjusting screw are arranged in the slide way; the adjusting screw is engaged with the slide block along a vertical shaft of the slide block; and the outer wall of the slide block is in sliding fit with the inner wall of the slide way. Due to the adoption of the device, the position of the offset crank relevant to the slide block can be adjusted within a certain range by adjusting the screw when the power is transferred to the offset crank for lifting the movable sieve body to conduct the reciprocating movement, so that the force arm of the offset crank can be changed, and finally, the purposes of adjusting and improving the amplitude of the movable sieve jig and enhancing the separation effect are achieved.
Description
Technical field
The utility model relates to a kind of actuating unit of mechanical type movable-sieve jig, belongs to the wash coaling equipment technical field.
Background technology
Movable-sieve jig is that a kind of direct outer power driving sieve nest moves up and down in aqueous medium, causes material periodically loose, realizes the screening installation by density stratification, is widely used in the ideal equipment of piece raw coal discharge refuse and steam coal separation.Movable-sieve jig divides fluid pressure type to drive and mechanical type drives two kinds, the driving force of hydraulic pressure movable-sieve jig is provided by hydraulic system, good separation effect, and the hydraulic system adjusting range is wide, easy to operate, but hydraulic-driven part cost height, frequent speed change transformation work are to the requirement harshness of Hydraulic Elements, and diagnosis when breaking down and eliminating be difficulty relatively, the maintenance cost height, also high to the technical level of operators requirement, cause the hydraulic pressure movable-sieve jig to be not easy to popularize, range of application is narrow.The present mechanical type movable-sieve jig that uses, driving force is provided by mechanical component, and it is simple, reliable to have an attended operation, and cost is low, and advantage easy to maintenance receives praises from customers, but separating effect is not ideal enough.Trace it to its cause, find that existing machinery formula movable-sieve jig adopts toggle to drive the sieve nest motion, the characteristics of motion that this type of drive produced is undesirable, and moving sieve amplitude is difficult for regulating, thereby causes the separating effect of lump coal good not as the fluid pressure type jigging machine.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of size that can regulate moving sieve amplitude, help to solve the existing motor-driven sieve amplitude of old-fashioned mechanical type vibro-assisted jigging and be difficult for adjusting, cause the offset crank slide block transmission device of the movable-sieve jig of separating effect difference.
The technical scheme that solves the problems of the technologies described above is:
A kind of offset crank slide block transmission device of movable-sieve jig, it is made up of offset crank, slide block, slideway, adjusting leading screw, one end of slide block matches with offset crank and is connected, slide block is connected with moving sieve sieve nest, slide block and adjusting leading screw all are positioned at slideway, regulate leading screw and be meshed with it along the slide block longitudinal axis, slide block outer wall and slideway inwall are slidingly matched.
Adopt this offset crank slide block transmission device, transmission of power to offset crank promotes when moving the reciprocating motion of sieve sieve nest, can by regulate leading screw within the specific limits adjusting slider with respect to the position of offset crank, change the offset crank arm of force with this, finally reach the amplitude of adjusting and improving movable-sieve jig, the purpose that improves separating effect.The utility model is simple in structure, easy to operate, the operation troubles rate is extremely low, compares with the moving screen device of the hydraulic pressure of same treatment ability to have tangible price advantage.Based on above-mentioned advantage, the utility model is specially adapted to technologies such as jigging discharge refuse, has broad application prospects.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1.
Number in the figure is as follows: offset crank 1 slide block 2 slideways 3 are regulated 45 moving sieve sieve nests 6 of leading screw
The specific embodiment
Referring to Fig. 1,2, the utility model belongs to the actuating unit of moving sieve.Actuating unit drives the sieve nest motion by offset slider-crank mechanism, under the acting in conjunction of quick return mechanism, regulates the slideway slide block and adjusts the desirable amplitude of sieve nest output, and can regulate amplitude at any time according to ature of coal situation scene.As seen from the figure, the offset crank slide block device is made up of offset crank 1, slide block 2, slideway 3, adjusting leading screw 4, axle 5, one end of slide block 2 matches with offset crank 1 and is connected, slide block 2 is connected with moving sieve sieve nest 6, slide block 2 and adjusting leading screw 4 all are positioned at slideway 3, regulate leading screw 4 and be meshed with it along slide block 2 longitudinal axis, slide block 2 outer walls and slideway 3 inwalls are slidingly matched.It is reciprocating that the power of motor is delivered to offset crank 1 through transmission component, drives slide block 2 around axle 5 swings, and 2 of slide blocks connect moving sieve sieve nest 6 and finally promote moving sieve sieve nest 6 and does reciprocal jigging motion.Slide block 2 adopts threaded engagement with regulating leading screw 4, rotates and regulates leading screw 4, and slide block 2 is translation in slideway 3 thereupon.Slide block 2 is adjusted slide block 2 till the best amplitude that reaches moving sieve sieve nest 6 at the various amplitude of the corresponding moving sieve sieve nest 6 of diverse location of offset crank 1.
It is as follows that the utility model is used on the mechanical movable-sieve jig its course of work: when movable-sieve jig was worked, moving sieve sieve nest was done upper and lower reciprocating motion around fixed pin shaft under the effect of adjustable power offset crank slide block device, and amplitude is adjustable.After feed coal feeds, on sieve nest, form bed.Slide block hauls from sieve nest and moves upward, and material is held up by whole layer; Sieve nest descends fast when reaching best amplitude height point, and the particle of different densities is with the sedimentation in water of different speed.Through moving up and down for several times repeatedly, material is realized by density stratification, and is moved forward with the sieve nest that tilts.The light material in upper strata and lower floor's spoil are discharged respectively, reach the purpose of discharge refuse sorting.
Claims (1)
1. the offset crank slide block transmission device of a movable-sieve jig, it is characterized in that: it is made up of offset crank [1], slide block [2], slideway [3], adjusting leading screw [4], one end of slide block [2] matches with offset crank [1] and is connected, slide block [2] is connected with moving sieve sieve nest [6], slide block [2] and adjusting leading screw [4] all are positioned at slideway [3], regulate leading screw [4] and be meshed with it along slide block [2] longitudinal axis, slide block [2] outer wall and slideway [3] inwall are slidingly matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201062575U CN201287066Y (en) | 2008-10-22 | 2008-10-22 | Off-set crank block driving device of movable sieve jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201062575U CN201287066Y (en) | 2008-10-22 | 2008-10-22 | Off-set crank block driving device of movable sieve jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201287066Y true CN201287066Y (en) | 2009-08-12 |
Family
ID=40978737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201062575U Expired - Fee Related CN201287066Y (en) | 2008-10-22 | 2008-10-22 | Off-set crank block driving device of movable sieve jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201287066Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335629A (en) * | 2018-10-23 | 2019-02-15 | 广西科技大学 | A kind of passive loss of weight mechanism design |
-
2008
- 2008-10-22 CN CNU2008201062575U patent/CN201287066Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335629A (en) * | 2018-10-23 | 2019-02-15 | 广西科技大学 | A kind of passive loss of weight mechanism design |
| CN109335629B (en) * | 2018-10-23 | 2024-01-23 | 广西科技大学 | Passive weight reducing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090812 Termination date: 20131022 |