CN107161608B - A kind of blade structure being applicable to out-of-flatness coal working face - Google Patents
A kind of blade structure being applicable to out-of-flatness coal working face Download PDFInfo
- Publication number
- CN107161608B CN107161608B CN201710417589.9A CN201710417589A CN107161608B CN 107161608 B CN107161608 B CN 107161608B CN 201710417589 A CN201710417589 A CN 201710417589A CN 107161608 B CN107161608 B CN 107161608B
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- China
- Prior art keywords
- scraper plate
- pin shaft
- axle sleeve
- scraper
- wheel assembly
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- 239000003245 coal Substances 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/22—Impellers, e.g. push-plates, scrapers; Guiding means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
The invention discloses a kind of blade structures for being applicable to out-of-flatness coal working face, including scraper conveyor middle groove and scraper plate, scraper conveyor middle groove includes ledge, middle plate and back cover plate are equipped on the inside of ledge, scraper plate includes scraper plate main body, and scraper plate main body is equipped with mounting hole, dismountable fixed pin shaft is equipped in mounting hole, fixed pin shaft is equipped with roll wheel assembly, and middle plate and back cover plate upper surface are equipped with the guide rail to match with the roll wheel assembly of scraper plate, and guide rail is the running track of roll wheel assembly.The present invention makes the guide rail contact on roll wheel assembly and middle plate and back cover plate, avoids directly contacting the phenomenon that gets stuck with middle plate and back cover plate because of scraper plate by adding symmetrical roll wheel assembly on scraper plate；The dismounting of damaged parts is convenient in the integrated design of roll wheel assembly, reduces the waste of material, has good practicability.
Description
Technical field
The present invention relates to coal mining conveying equipment fields more particularly to one kind to be applicable to out-of-flatness coal working face simultaneously
The blade structure for the phenomenon that gets stuck in avoidable drag conveyor operational process.
Background technique
Drag conveyor is coal mining important in current coal working face both at home and abroad, coal washing transporting equipment, has both played loading
The effect of transported material, and be the running track of coalcutter and the passage fulcrum of hydraulic support, but its failure rate is higher, maintenance workers
Work amount is big, and service life is short, affects the whole work efficiency in coal mining activity face.
The failure that drag conveyor mainly occurs in the process of running have chain rupture, wear-out failure, on alter downslide and scraper plate
It gets stuck, scraper plate, which gets stuck, to be primarily due in drag conveyor operational process, and two scraper chains are elastic inconsistent, unbalance stress
Even that scraper plate skew or the middle pan of scraper conveyor is caused not to reach design requirement when being laid with, intermediate channel is convex recessed, mistake
Degree bending, the gap between adjacent chute is excessive, and different in size, scraper plate cannot seamlessly transit between adjacent scraper plate, cause scraper plate with
Get stuck phenomenon and scraper chain chain rupture, the generation of jumping chain accident of the sliding slot of intermediate channel all will affect the whole of drag conveyor
Engine efficiency.
At present the country avoid scraper conveyor scraper get stuck phenomenon be mainly pass through detection scraper chain stress condition, it is ensured that
Scraper plate uniform force, while guaranteeing that working face is straight, avoids having biggish gap between adjacent intermediate channel, makes scraper plate during installation
It is run in sliding slot smooth.But in the environment of working face out-of-flatness, it will be unable to well solve scraper plate and get stuck problem, therefore,
It needs to carry out Curve guide impeller again to drag conveyor structure.
Summary of the invention
Goal of the invention: it is an object of the invention to overcome the shortage of prior art place, one kind is provided and is applicable to out-of-flatness
The blade structure for the phenomenon that gets stuck in coal working face and avoidable drag conveyor operational process.
To achieve the goals above, present invention employs the following technical solutions: one kind being applicable to out-of-flatness coal-getter
Make the blade structure in face, including scraper conveyor middle groove and scraper plate, scraper conveyor middle groove includes ledge, be equipped on the inside of ledge middle plate and
Back cover plate, scraper plate plate and back cover plate in the drive lower edge of scraper chain are back and forth run；The scraper plate includes scraper plate main body, roller group
Part, mounting hole, chain hole and fixed pin shaft are respectively equipped with mounting hole, mounting hole edge close to the position of ledge at scraper plate main body both ends
Longitudinally through scraper plate main body, mounting hole is interior to be equipped with horizontal and dismountable fixed pin shaft, and fixed pin shaft is equipped with roller group
The lower surface of part, scraper plate main body is equipped with chain hole, for connecting scraper chain；The middle plate and back cover plate upper surface are equipped with and scraper plate
The guide rail that roll wheel assembly matches, guide rail are the running tracks of roll wheel assembly.
Further, the bar portion end of the fixed pin shaft is equipped with external screw thread, close scraper plate center in the mounting hole
Side is equipped with threaded hole, is equipped with the head with fixed pin shaft in scraper plate main body left and right ends end face position corresponding with threaded hole
The bar portion end of the pin shaft location hole to match, fixed pin shaft screws in threaded hole, and the head of fixed pin shaft penetrates pin shaft positioning
In hole.
Further, the roll wheel assembly includes idler wheel, axle sleeve, tapered roller bearing, sleeve and axle sleeve end cap, axle sleeve set
In the bar portion of fixed pin shaft, axle sleeve one end is equipped with positioning shaft shoulder, and the axle sleeve other end is threadedly coupled with axle sleeve end cap, and sleeve is covered in axis
Set middle part, is equipped with spring in the gap between sleeve both ends and axle sleeve positioning shaft shoulder and axle sleeve end cap, by spring to
Sleeve applies pretightning force, prevents sleeve along axial float, idler wheel is mounted on sleeve by tapered roller bearing, idler wheel and guide rail
It is in contact and can be moved forward and backward along guide rail.
Further, the end face of the axle sleeve positioning shaft shoulder and axle sleeve end cap is square, and the mounting hole side wall is set
There is the locating slot to match with axle sleeve positioning shaft shoulder and axle sleeve end cap.
Further, the section of the guide rail is arc surface, and the idler wheel outer rim is equipped with the arc groove to match with guide rail.
The utility model has the advantages that the present invention makes roll wheel assembly and middle plate and back cover by adding symmetrical roll wheel assembly on scraper plate
Guide rail contact on plate avoids directly contacting the phenomenon that gets stuck with middle plate and back cover plate because of scraper plate.Roll wheel assembly one of the present invention
The dismounting of damaged parts is convenient in the design of body, reduces the waste of material, has good practicability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of scraper conveyor middle groove of the invention；
Fig. 2 is the assembling schematic diagram of scraper plate of the invention, fixed pin shaft and roll wheel assembly；
Fig. 3 is the structural schematic diagram of roll wheel assembly of the invention；
Fig. 4 is the assembling schematic diagram of fixed pin shaft and roll wheel assembly of the invention；
In figure: 1, middle plate；2, scraper plate；3, ledge；4, jack attachment base；5, back cover plate；6, guide rail；7, dumbbell pin；21,
Roll wheel assembly；22, scraper plate main body；23, mounting hole；24, locating slot；25, chain hole；26, fixed pin shaft；211, idler wheel；212, axis
Set；213, spring；214, tapered roller bearing；215, sleeve；216, axle sleeve end cap, 221, pin shaft location hole.
Specific embodiment:
Further explanation is done to the present invention with reference to the accompanying drawing.
As illustrated in fig. 1 and 2, a kind of blade structure being applicable to out-of-flatness coal working face of the invention, including scraper plate
Machine intermediate channel and scraper plate 2, scraper conveyor middle groove include ledge 3, are equipped with dumbbell pin 7 and jack attachment base 4, slot on the outside of ledge 3
3 inside of side is equipped with middle plate 1 and back cover plate 5, and scraper plate 2 plate 1 and back cover plate 5 in the drive lower edge of scraper chain are back and forth run.It is described
Scraper plate 2 includes scraper plate main body 22, roll wheel assembly 21, mounting hole 23, chain hole 25 and fixed pin shaft 26.Scraper plate main body 22 bears to transport
The resistance of material, higher by mechanical property, the good cast steel material of casting character is cast, and structure is that a bilateral symmetry is long
Cube is respectively equipped with mounting hole 23 close to the position of ledge 3 in 22 left and right ends of scraper plate main body, and mounting hole 23 penetrates through scrape along longitudinal direction
Plate main body 22, mounting hole 23 is interior to be equipped with horizontal and dismountable fixed pin shaft 26, and fixed pin shaft 26 is equipped with roll wheel assembly
21, the lower surface of scraper plate main body 22 is set there are two chain hole 25, for connecting scraper chain.The middle plate 1 and 5 upper surface of back cover plate are set
There is the guide rail 6 to match with the roll wheel assembly 21 of scraper plate 2, guide rail 6 is the running track of roll wheel assembly 21.The present invention is by scraping
Symmetrical roll wheel assembly 21 is added on plate 2, is contacted roll wheel assembly 21 with the guide rail 6 on middle plate 1 and back cover plate 5, is avoided because scraping
Plate 2 directly contacts the phenomenon that gets stuck with middle plate 1 and back cover plate 5.
As shown in Figures 2 and 4, the bar portion end of the fixed pin shaft 26 is equipped with external screw thread, close to scraping in the mounting hole 23
The side at 2 center of plate is equipped with threaded hole, is equipped with and consolidates in 22 left and right ends end face of scraper plate main body position corresponding with threaded hole
The pin shaft location hole 221 that the head of rationed marketing axis 26 matches.When installing fixed pin shaft 26, by fixed pin shaft 26 by scraper plate main body 22
The pin shaft location hole 221 of left and right ends penetrates, and the bar portion end of fixed pin shaft 26 passes through mounting hole 23 and screws in threaded hole, Gu
The head of rationed marketing axis 26 just penetrates in pin shaft location hole 221；When dismantling fixed pin shaft 26, fixed pin shaft 26 is reversely rotated, is made
The bar portion end of fixed pin shaft 26 is detached from the threaded hole with end scraper plate main body 22, can unload fixed pin shaft 26.
As shown in Figures 3 and 4, the roll wheel assembly 21 includes idler wheel 211, axle sleeve 212, tapered roller bearing 214, sleeve
215 and axle sleeve end cap 216,212 sets of the axle sleeve bar portions in fixed pin shaft 26,212 one end of axle sleeve is equipped with positioning shaft shoulder, axle sleeve 212
The other end is threadedly coupled with axle sleeve end cap 216, and 215 sets of sleeve, at 212 middle part of axle sleeve, position at 215 both ends of sleeve and axle sleeve 212
It is equipped with spring 213 in gap between the shaft shoulder and axle sleeve end cap 216, pretightning force is applied to sleeve 215 by spring 213,
Prevent sleeve 215 along axial float, idler wheel 211 is mounted on sleeve 215 by tapered roller bearing 214, idler wheel 211 and guide rail
6 are in contact and can be moved forward and backward along guide rail 6.
As shown in Figures 2 to 4, the installation positioning for the ease of roll wheel assembly 21 on fixed pin shaft 26, the axle sleeve 212 are fixed
The end face of the position shaft shoulder and axle sleeve end cap 216 is square, and 23 side wall of mounting hole is equipped with and 212 positioning shaft shoulder of axle sleeve and axis
The locating slot 24 that set end cap 216 matches.When roll wheel assembly 21 is installed, first each component assembling of roll wheel assembly 21 is finished, then
Installation roll wheel assembly 21 is placed in the mounting hole 23 of scraper plate main body 22, and installation 21 axle sleeve 212 of roll wheel assembly is positioned
The shaft shoulder and axle sleeve end cap 216, which are aligned, to be simultaneously inserted into the locating slot 24 of 23 side wall of mounting hole, at this time 212 inner hole of axle sleeve just with scrape
Installation fixed pin shaft 26 with one heart, is finally connect admittedly by the threaded hole and pin shaft location hole 221 of plate main body 22 with scraper plate main body 22 again
It is fixed.
Components (idler wheel 211, tapered roller bearing 214 and the sleeve that roll wheel assembly 21 of the invention wears movement
215) it is packaged as a whole by axle sleeve 212 and axle sleeve end cap 216, provides 213, spring by axle sleeve 212 and axle sleeve end cap 216
It holds a little, by 213 axially position idler wheel 211 of spring, and by the positioning of locating slot 24 and the realization roll wheel assembly 21 of fixed pin shaft 26
With installation.When scraper plate runs and elapses section or crooked working face to intermediate channel, the idler wheel 211 pre-tightened by spring 213 can be moved axially
Dynamic suitable distance, makes idler wheel 211 not deviate guide rail, guarantees the normal operation of scrapper conveyor,
As shown in Fig. 1,3 and 4, the section of the guide rail 6 is arc surface, and 211 outer rim of idler wheel is equipped with and 6 phase of guide rail
The arc groove matched is realized the steady linking of guide rail 6 and idler wheel 211 by arc contact surface, ensure that idler wheel 211 is stable
Property.
The course of work of the invention: after roll wheel assembly is installed at scraper plate main body both ends, in drag conveyor front end, scraper plate is in
On middle plate, idler wheel is connected with the guide rail of middle plate, and scraper plate is run by the pulling force of scraper chain along ledge, and scraping, operation is defeated to scraper plate
When sending drive end unit, scraper plate is between middle plate and back cover plate, and idler wheel is located on the guide rail of back cover plate, is so recycled, conveying middle part
Coal stone in slot.Intermediate channel passage section is moved in scraper plate or working face bends place, the guide rail generation between adjacent intermediate channel
Certain offset generates certain lateral force to idler wheel, and making spring, deformation occurs, changes two idler wheel axial positions, keeps scraper plate suitable
Sharp transition.When idler wheel is seriously worn, and influences normal operation, fixed pin shaft need to only be dismantled, the roll wheel assembly more renewed
?.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of blade structure for being applicable to out-of-flatness coal working face, including scraper conveyor middle groove and scraper plate (2), scrapper conveyor
Intermediate channel includes ledge (3), is equipped with middle plate (1) and back cover plate (5), drive lower edge of the scraper plate (2) in scraper chain on the inside of ledge (3)
Middle plate (1) and back cover plate (5) are back and forth run；It is characterized by: the scraper plate (2) includes scraper plate main body (22), roll wheel assembly
(21), mounting hole (23), chain hole (25) and fixed pin shaft (26), at scraper plate main body (22) both ends close to the position of ledge (3) point
Not She You mounting hole (23), mounting hole (23) penetrates through scraper plate main body (22) along longitudinal direction, be equipped in mounting hole (23) it is horizontal and
Dismountable fixed pin shaft (26), fixed pin shaft (26) are equipped with roll wheel assembly (21), and the lower surface of scraper plate main body (22) is equipped with
Chain hole (25), for connecting scraper chain；The middle plate (1) and back cover plate (5) upper surface are equipped with the roll wheel assembly with scraper plate (2)
(21) guide rail (6) to match, guide rail (6) are the running tracks of roll wheel assembly (21)；
The roll wheel assembly (21) includes idler wheel (211), axle sleeve (212), tapered roller bearing (214), sleeve (215) and axle sleeve
End cap (216), axle sleeve (212) cover the bar portion in fixed pin shaft (26), and axle sleeve (212) one end is equipped with positioning shaft shoulder, axle sleeve (212)
The other end is threadedly coupled with axle sleeve end cap (216), and sleeve (215) covers in the middle part of axle sleeve (212), in sleeve (215) both ends and axis
Spring (213) are equipped in gap between set (212) positioning shaft shoulder and axle sleeve end cap (216), by spring (213) to set
Cylinder (215) applies pretightning force, prevents sleeve (215) along axial float, and idler wheel (211) is installed by tapered roller bearing (214)
On sleeve (215), idler wheel (211) is in contact with guide rail (6) and can be moved forward and backward along guide rail (6).
2. a kind of blade structure for being applicable to out-of-flatness coal working face according to claim 1, it is characterised in that: institute
The bar portion end for stating fixed pin shaft (26) is equipped with external screw thread, is equipped in the mounting hole (23) close to the side at scraper plate (2) center
Threaded hole is equipped with the head with fixed pin shaft (26) in scraper plate main body (22) left and right ends end face position corresponding with threaded hole
The bar portion end of the pin shaft location hole (221) to match, fixed pin shaft (26) screws in threaded hole, the head of fixed pin shaft (26)
It penetrates in pin shaft location hole (221).
3. a kind of blade structure for being applicable to out-of-flatness coal working face according to claim 1, it is characterised in that: institute
The end face for stating axle sleeve (212) positioning shaft shoulder and axle sleeve end cap (216) is square, and mounting hole (23) side wall is equipped with and axis
The locating slot (24) that set (212) positioning shaft shoulder and axle sleeve end cap (216) match.
4. a kind of blade structure for being applicable to out-of-flatness coal working face according to claim 1, it is characterised in that: institute
The section for stating guide rail (6) is arc surface, and idler wheel (211) outer rim is equipped with the arc groove to match with guide rail (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417589.9A CN107161608B (en) | 2017-06-05 | 2017-06-05 | A kind of blade structure being applicable to out-of-flatness coal working face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417589.9A CN107161608B (en) | 2017-06-05 | 2017-06-05 | A kind of blade structure being applicable to out-of-flatness coal working face |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107161608A CN107161608A (en) | 2017-09-15 |
| CN107161608B true CN107161608B (en) | 2019-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710417589.9A Active CN107161608B (en) | 2017-06-05 | 2017-06-05 | A kind of blade structure being applicable to out-of-flatness coal working face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107161608B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3606160A1 (en) * | 1986-02-26 | 1987-08-27 | Bergwerksverband Gmbh | CHAIN SCRATCH CONVEYOR |
| DE4334064C3 (en) * | 1993-10-06 | 1999-07-15 | O & K Rolltreppen Gmbh | Drive system for escalators and moving walks |
| CN201703819U (en) * | 2010-07-06 | 2011-01-12 | 袁有西 | Scraper used for scraper conveyor |
| CN102774604A (en) * | 2012-08-10 | 2012-11-14 | 上海市机电设计研究院有限公司 | Rolling-wheel type scraping plate chains for coal cinder conveyor |
| CN204341852U (en) * | 2014-12-19 | 2015-05-20 | 辽宁石化职业技术学院 | For the blade structure of conveying equipment of coal mine work area |
| CN104760800B (en) * | 2015-04-16 | 2019-10-08 | 中国矿业大学(北京) | A kind of mine flight conveyer with idler wheel |
-
2017
- 2017-06-05 CN CN201710417589.9A patent/CN107161608B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107161608A (en) | 2017-09-15 |
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