CN2573879Y - Drive portion eccentric disk structure of reciprocating coal feeder - Google Patents
Drive portion eccentric disk structure of reciprocating coal feeder Download PDFInfo
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- CN2573879Y CN2573879Y CN 02268534 CN02268534U CN2573879Y CN 2573879 Y CN2573879 Y CN 2573879Y CN 02268534 CN02268534 CN 02268534 CN 02268534 U CN02268534 U CN 02268534U CN 2573879 Y CN2573879 Y CN 2573879Y
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- eccentric disc
- eccentric
- axle journal
- crank
- disk
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Abstract
The utility model relates to equipment reciprocating type coal feeder of a coal mine transporting system, particularly an eccentric disk mechanism of a driving section of a reciprocating type coal feeder. The utility model is composed of a crank hub, an eccentric disk, a maneton, positioning connecting pieces for regulating the eccentric distance, etc., wherein, the crank hub adopts a plane disk type crank hub; the crank hub and the eccentric disk are in plane multi-hole flange disk type fastening connection, and screw thread connecting pieces which are arranged in connecting holes of the periphery of the crank hub and the eccentric disk are seven in number and at least five; the screw thread connecting pieces are simultaneously used as the positioning connecting pieces for regulating the eccentric distance and replace pins of the coal feeder; a short head of the maneton and maneton holes of the eccentric disk are welded from both surfaces. Compared with an embedded type eccentric disk mechanism, the eccentric disk mechanism has the advantages of simple structure, reasonable structure, reliable work, low failure rate, convenient assembly and disassembly, convenient regulation, enlarged regulating range, easy processing and low cost.
Description
Affiliated technical field
The utility model relates to the reciprocating type feeder of equipment of colliery raw coal transportation system, particularly a kind of reciprocating type feeder drive division eccentric disc mechanism.
Background technology
Back and forth feeder is the visual plant of coal mine leather belt transportation system, is transported on the belt conveyor by its raw coal with coal bunker, realizes the even conveying of raw coal.The drive division of existing reciprocating type feeder all adopts eccentric disc mechanism, and this mechanism is made up of four parts: crank boss, eccentric disc, axle journal and feeder pin.By regulating the stroke that eccentric throw changes the reciprocating plate of being drawn by crank connecting link.This reciprocating type feeder coal-supplying amount is little, and mechanical breakdown is many, inconvenient maintenance.Be in particular in: 1. the eccentric disc mechanism design is unreasonable.Eccentric disc embeds in the crank boss, brings inconvenience for dismounting, maintenance, maintenance.Axle journal one end and eccentric disc interference fit also are integrated the two along the circumference single-sided welding.Because of eccentric disc and axle journal are subjected to structure influence, bonding area is little, and the welding position easily snaps and comes off under the alternate stress effect.Simultaneously, single feeder pin bears shearing force alone, under the alternate stress effect, easily produces fatigue rupture, frequently is cut off and affects production adversely.Change the feeder pin and weld axle journal again, the eccentric disc of must dismantling.Because of damascene structures under the influence of down-hole wet environment, easy-to-rust; And because of moving back and forth the alternate stress effect, eccentric disc is yielding, makes the former cooperation of damascene structures destroyed.Lived by rust at the scene and stuck eccentric disc is difficult for handling, keep in repair time-consumingly, can't the short time finish troubleshooting, influence production.2. eccentric disc mechanism coal amount adjustable extent is little, regulates inconvenience, very flexible.The crank boss disk transfers the coal metering-orifice only to have four, and class divides basic, normal, high third gear.When transferring coal conservation, the eccentric disc of dismantling earlier is rotating shaft with the centre bolt, rotates eccentric disc to suitable location, and eccentric disc is embedded in the crank boss, tightens the feeder pin.3. the embedded crank boss casting technique complexity of eccentric disc mechanism, the cost height.Its feeder pin is non-standard workpiece, processing difficulties, and interchangeability is poor.
The patent that title is " reciprocating type feeder flows automatically ", its patent No.: ZL 98227947.7, notification number: CN 2361836Y are rolled up, disclosed for No. 51 to China's Patent Gazette for Utility Models the 16th.Its formation is: adopt the bigger reciprocating base plate in inclination angle; Set up anti-channeling storehouse valve system; The crank disc (crank boss) of its drive division eccentric disc mechanism and the tooth-like adapter sleeve location of the relative position of driving sleeve (eccentric disc) with the embedding of band tooth.Weak point is: its drive division eccentric disc mechanism structure is still complicated, processes also simple inadequately.
Summary of the invention
Unreasonable in order to solve existing reciprocating type feeder drive division eccentric disc mechanism structure, fault rate height, mounting or dismounting inconvenience, regulate problems such as inconvenience, it is a kind of simple and reasonable that the utility model provides, and fault rate is low, dismounting is easy to maintenance, be convenient to regulate, the simple reciprocating type feeder drive division eccentric disc of processing mechanism.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be:
By crank boss, in the reciprocating type feeder drive division eccentric disc mechanism that eccentric disc, axle journal, the location connector of transferring eccentric throw to use constitute, its crank boss adopts flat circle disc type crank boss.The axle sleeve of crank boss connects with the slow axis of reduction box, and the disk of crank boss and eccentric disc adopt the fastening connection of flange plate type of plane porous in the two disc circumference except the centre connects by centre bolt is fastening; Thread connector in the periphery connection holes is at least five.This thread connector is simultaneously also as the location connector of transferring eccentric throw to use.The brachycephaly of axle journal matches with journal hole on the eccentric disc and adopts the weld seam of two sides welding to be fixedly connected.The long head and the crank connecting link driving coupling of axle journal.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted can also be:
The fastening connection of plane porous flange plate type of the eccentric disc of this eccentric disc mechanism and crank boss disk is the eccentric disc that adopts eight uniform holes of periphery, with the crank boss that seven corresponding holes are arranged on its disk, by seven fastening bolts and the fastening connection of nut thereof.
Have additional the reinforcing edge on the axle journal of this eccentric disc mechanism, on this reinforcing edge screw is arranged, by the screw in the screw axle journal is anchored on the eccentric disc, the periphery of reinforcing edge connects firmly by weld seam and eccentric disc.
The beneficial effects of the utility model are:
1. simple and reasonable, safe and reliable, can effectively stop the generation that disconnected pin and contact-making surface snap accident.Reduce equipment failure rate and maintenance load, improve Homes Using TV, reduce influence producing.
2. the dismounting Maintenance and Repair are convenient.The accent coal conservation is simple to operate, and is fast convenient.Coal amount adjustable extent is big.
3. the processing of flat circle disc type crank boss is simple, cost is low.Transfer eccentric throw interchangeability good with plain bolt.
Description of drawings
Fig. 1 is the structural representation front view of the reciprocating type feeder drive division of the utility model eccentric disc mechanism
Fig. 2 is the A-A cutaway view of Fig. 1
Fig. 3 is the structural representation front view of flat circle disc type crank boss
Fig. 4 is the B-B cutaway view of Fig. 3
Fig. 5 is the structural representation front view of eccentric disc 4
Fig. 6 is the C-C cutaway view of Fig. 5
Fig. 7 is the structural representation front view of axle journal
Fig. 8 is the structural representation side view of axle journal
Among the figure: 1-crank connecting link, 2-axle journal, 3-centre bolt, the reinforcing edge of 4-eccentric disc, 5-flat circle disc type crank boss, 6-reduction box slow axis, 7-fastening bolt, 8-screw, 9-axle journal.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
The utility model is compared with embedded eccentric disc mechanism, and main the improvement has 4 points:
1. feeder eccentric disc mechanism is connected by the flange plate type that embedded connection changes eight holes, plane into.
2. axle journal and eccentric disc adopt two-sided welding and fastening with screw.
3. bear shearing force separately by single feeder pin, change into by seven plain bolts and bearing.
4. adjustable port is increased to 8, adjustable gear by 4 and is increased to 4 by 3.
In Fig. 1,2, the utility model eccentric disc mechanism is mainly by axle journal (2), and eccentric disc (4), flat circle disc type crank boss (5) three parts are formed.The axle sleeve of flat circle disc type crank boss (5) connects with reduction box slow axis (6) assembling.The disk of crank boss (5) connects with the flange plate type of eccentric disc (4) with the plane contact octal, promptly except the centre bolt (3) that is positioned at the two center, by the fastening connection of seven fastening bolts (7) that is positioned at periphery hole.Article seven, fastening bolt (7) is simultaneously as the location connector of transferring eccentric throw to use, replacement feeder pin.
The journal hole interference fit of the brachycephaly of axle journal (2) and eccentric disc (4) for preventing that eccentric disc (4) is impacted by alternate stress and drops, is established on axle journal (2) and is reinforced edge (9).Reinforcing on the edge (9) has two silk holes, and two corresponding holes are arranged on the disk of eccentric disc (4), with screw (8) the two is tightened together, and with two faces of electric welding machine from eccentric disc (4), welds along axle journal end joint, reinforcing edge (9) peripheral seam.So that eccentric disc (4) is increased greatly with the reliability that axle journal (2) is connected.
The long head of axle journal (2) by rolling bearing cooperate with the axis hole of crank connecting link (1) one end, driving coupling.The other end of crank connecting link (1) and the reciprocating plate driving coupling of feeder.
In Fig. 3,4, the disk of crank boss (5) is the center of circle with the disc centre, is radius with the respective distance, and disk is divided equally eight parts, bore seven holes, be respectively the high-grade hole (I), medium-to-high grade hole (II, II '), middle-grade hole (III, III '), low-grade hole (IV, the IV ') that transfer the coal conservation position.
In Fig. 5,6, eccentric disc (4) is the center of circle with the eccentric disc center equally, is radius with above-mentioned identical distance, and eccentric disc (4) is divided equally eight parts, gets out and corresponding eight holes, seven holes of crank boss (5) disk.For sake of convenience, the hole of eccentric disc (4) topmost is called hole (D).
In Fig. 7,8, axle journal (2) goes up, be to be provided with between brachycephaly and the long head of axle journal to reinforce edge (9), reinforces edge (9) and be symmetry, is special arc that with the axis of axle journal (2) reinforcing edge (9) upward tapping is two silk holes of symmetry with axle journal (2) axis.It is also passable not establish reinforcing edge (9), but must be from the two sides firm welding.
Operation principle: during feeder work, reduction box slow axis (6) drives eccentric disc mechanism, and the long head of axle journal (2) is given reciprocating plate by crank connecting link (1) transferring power, and reciprocating plate is moved back and forth, and realizes that raw coal evenly provides.According to produce needs transfer coal conservation, when promptly changing the stroke of reciprocating plate motion, seven bolts (7) of dismantling unclamp centre bolt (3) and be axle with centre bolt (3), rotation eccentric disc (4) is to suitable location, it is also fastening to load onto seven bolts (7) again.Position, hole (D) on eccentric disc (4) is respectively: with the hole (I) of crank boss (5), hole (II and II '), hole (III and III '), hole (IV and IV ') when overlapping, Dui Ying accent coal conservation position is with it: high, in high, medium and low shelves.Fastening bolt (7) preferably is no less than five, transfers the coal conservation gear to be no less than original third gear so that make.
Processing and manufacturing: but process after the monoblock cast of flat circle disc type crank boss, also can adopt split type processing, after weld together.
Claims (3)
1. reciprocating type feeder drive division eccentric disc mechanism, comprise the location connector that crank boss, eccentric disc, axle journal, accent eccentric throw are used, the axle sleeve of crank boss connects with the slow axis of reduction box, crank boss and eccentric disc are by centre bolt and transfer eccentric throw connector is fastening to be connected with locating, the brachycephaly of axle journal cooperates with journal hole on the eccentric disc and connects firmly one, the long head and the crank connecting link driving coupling of axle journal, it is characterized in that: said crank boss is a flat circle disc type crank boss; Said eccentric disc is fastening connection of flange plate type of plane porous with the disk of crank boss, and the thread connector in the two peripheral connection holes is at least five, and this thread connector also is the location connector that said accent eccentric throw is used simultaneously; Said axle journal, the journal hole on its brachycephaly and the eccentric disc is fixedly connected by the weld seam on two sides.
2. reciprocating type feeder drive division eccentric disc according to claim 1 mechanism, it is characterized in that: the fastening connection of flange plate type of said eccentric disc and the plane porous of crank boss disk, it is eccentric disc (4) by uniform eight holes of periphery, with the crank boss (5) that seven corresponding holes are arranged on its disk, by the fastening connection of seven fastening bolts (7) and nut formation thereof.
3. reciprocating type feeder drive division eccentric disc according to claim 1 mechanism, it is characterized in that: said axle journal (2), have on it and reinforce edge (9), on this reinforcing edge (9) screw is arranged, screw (8) in the screw is anchored on axle journal (2) on the eccentric disc (4), and the periphery of reinforcing edge (9) is connected firmly by weld seam and eccentric disc (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02268534 CN2573879Y (en) | 2002-07-29 | 2002-07-29 | Drive portion eccentric disk structure of reciprocating coal feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02268534 CN2573879Y (en) | 2002-07-29 | 2002-07-29 | Drive portion eccentric disk structure of reciprocating coal feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2573879Y true CN2573879Y (en) | 2003-09-17 |
Family
ID=33733950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02268534 Expired - Lifetime CN2573879Y (en) | 2002-07-29 | 2002-07-29 | Drive portion eccentric disk structure of reciprocating coal feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2573879Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259749A (en) * | 2011-06-08 | 2011-11-30 | 煤炭工业济南设计研究院有限公司 | Modular reciprocating coal feeder |
-
2002
- 2002-07-29 CN CN 02268534 patent/CN2573879Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259749A (en) * | 2011-06-08 | 2011-11-30 | 煤炭工业济南设计研究院有限公司 | Modular reciprocating coal feeder |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120729 Granted publication date: 20030917 |