CN117284699B - Double-chain corner structure for scraper conveyor - Google Patents
Double-chain corner structure for scraper conveyor Download PDFInfo
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- CN117284699B CN117284699B CN202311384710.4A CN202311384710A CN117284699B CN 117284699 B CN117284699 B CN 117284699B CN 202311384710 A CN202311384710 A CN 202311384710A CN 117284699 B CN117284699 B CN 117284699B
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- 230000007704 transition Effects 0.000 claims description 36
- 239000000463 material Substances 0.000 abstract description 15
- 239000003245 coal Substances 0.000 abstract description 7
- 238000007790 scraping Methods 0.000 description 31
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- 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
- B65G19/04—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 for moving bulk material in open troughs or channels
- B65G19/06—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 for moving bulk material in open troughs or channels the impellers being scrapers similar in size and shape to the cross-section of the trough or channel
- B65G19/10—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 for moving bulk material in open troughs or channels the impellers being scrapers similar in size and shape to the cross-section of the trough or channel and attached to a pair of belts, ropes or chains
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- 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
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- 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
- B65G19/28—Troughs, channels, or conduits
-
- 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
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pusher Or Impeller Conveyors (AREA)
Abstract
The invention relates to the field of coal mine mechanical material conveying equipment, in particular to a double-chain corner structure for a scraper conveyor, which comprises an upper machine body, a lower machine body, scrapers and chains, wherein the upper machine body and the lower machine body are symmetrically arranged along the vertical direction, the upper machine body comprises a bottom plate and side plates on two sides of the bottom plate, the scrapers comprise a first scraper, a connecting plate and a second scraper which are sequentially hinged, the first scraper rotates around the travelling direction of the chains relative to the connecting plate, the second scraper rotates around the travelling direction perpendicular to the chains relative to the connecting plate, and a corner curved surface is arranged between the bottom plate and the side plates on the inner side at the corner position. The invention can realize the material transportation of the middle double-chain right-angle scraper conveyor, enhance the bearing capacity of the scraper conveyor, enhance the tensile property of the conveyor, reduce the friction resistance of a chain, and better adapt to the material conveying requirements of high strength and large capacity.
Description
Technical Field
The invention relates to the field of coal mine mechanical material conveying equipment, in particular to a double-chain corner structure for a scraper conveyor.
Background
The scraper conveyor is common material conveying equipment, is widely used in industries such as coal mines, metal mines, building materials, chemical industry and the like, is not only an operation track of a coal mining machine, but also provides traction and guidance for the coal mining machine, and simultaneously provides connection points for a hydraulic support so as to realize continuous pushing of the hydraulic support along the pushing direction of a coal face. Compared to other conveying devices, such as belt conveyors, the horizontal turning capability of the scraper conveyor is more flexible, and can be more compactly arranged while adapting to different production environments and production requirements, thereby reducing the distance and required space for conveying materials. The horizontal turning structure of the existing medium single-chain scraper conveyor cannot be used for the turning structure of the double-chain scraper conveyor, and compared with the double-chain scraper conveyor, the medium single-chain turning scraper conveyor is difficult to meet the conveying needs of a large amount of high-density materials, and the medium single-chain scraper conveyor is easy to bump, shake and the like when conveying the materials, so that the operation effect and the service life of equipment are affected.
The scheme is a space double-chain right-angle turning component of a scraper conveyor, and the application number is CN202310629841.8, and the application date is 2023, 5 and 30.
Disclosure of Invention
The invention aims to solve the problems, and provides a double-chain corner structure for a scraper conveyor, which adopts the following technical scheme:
the double-chain corner structure for the scraper conveyor comprises an upper machine body, a lower machine body, scrapers and chains, wherein the upper machine body and the lower machine body are symmetrically arranged along the vertical direction, and the upper machine body comprises a bottom plate and side plates at two sides of the bottom plate; a corner curved surface is arranged between the bottom plate and the side plate at the corner position, the corner curved surface comprises a corner step surface and a corner elevation, the corner step surface is higher than the bottom plate, and the corner elevation is connected between the corner step surface and the bottom plate; the two ends of the corner curved surface along the traveling direction of the chain are respectively connected with a transition surface, the transition surfaces are arranged at the corner positions where the scraping plates enter and exit, and the transition surfaces are formed by encircling a bottom plate, a side plate and the corner curved surface;
The scraper blade is including articulated first scraper blade, connecting plate and second scraper blade in proper order, and the connecting plate is including articulated first connecting block, second connecting block and the third connecting block in proper order, and 2 link fixed connection are on the second connecting block, first connecting block and third connecting block are all relative the second connecting block and are rotated around the chain direction of marcing, first connecting block and first scraper blade fixed connection, and third connecting block and second scraper blade are articulated, and the relative third connecting block of second scraper blade is rotated around perpendicular to chain direction of marcing.
On the basis of the scheme, the transition surface comprises a transition slope surface and a transition cambered surface, the transition slope surface is connected to two ends of the corner step surface, the transition cambered surface is a space curved surface, and the transition slope surface, the corner elevation surface and the bottom plate are arranged.
On the basis of the scheme, the second connecting block moves along the transition cambered surface and the corner elevation surface when passing through the corner, and the second scraping plate moves along the transition slope surface and the corner step surface when passing through the corner.
Preferably, a slide way is arranged below the side plate, and the free ends of the first scraping plate and the second scraping plate are clamped in the slide way and move along the slide way.
On the basis of the scheme, the free ends of the first scraping plate and the second scraping plate are rotationally connected with the pulleys, and the pulleys are abutted in the slide way and rotate along the slide way.
Preferably, the side plate at the corner position extends upwards to form a corner inner side plate and a corner outer side plate.
The beneficial effects of the invention are as follows: the material transportation of the middle double-chain right-angle scraper conveyor can be realized, the bearing capacity of the scraper conveyor is enhanced, the tensile property of the conveyor is enhanced, the friction resistance of a chain is reduced, and the material transportation requirement of high strength and large capacity can be better met; the multi-section scraping plate is hinged, so that the slope surface of the transition slope surface and the slope surface of the turning position can be attached to balance the path difference generated by the inner chain and the outer chain at the turning position, the phenomenon that the scraping plate is clamped in a middle groove due to unbalance of speeds, corners, travelling paths and the like at the two ends of the scraping plate at the turning position is prevented, meanwhile, the multi-section scraping plate enables all parts of the scraping plate to be attached to different planes at the corners respectively, materials in different areas at the corners of the middle groove can be guaranteed to be transported efficiently by the scraping plate, and the materials are prevented from being accumulated; the slide ways are arranged below the inner sides of the side plates on the two sides, so that the position and the posture of the scraping plate are guaranteed to be normal in the moving process, and the scraping plate is provided with small pulleys at the two end parts so as to further reduce friction resistance generated by the small pulleys and the middle groove.
Drawings
Fig. 1: the structure of the invention is schematically shown;
fig. 2: the structure of the corner position is schematically shown in the invention;
Fig. 3: another view angle structure schematic diagram of the corner position of the invention;
Fig. 4: the scraping plate structure of the invention is schematically shown;
fig. 5: the scraper torsion state schematic diagram of the invention;
fig. 6: another torsional state diagram of the scraper of the invention;
Fig. 7: the pulley structure of the invention is schematically shown.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the terms "center," "length," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
As shown in fig. 1 to 7, a double-chain corner structure for a scraper conveyor includes an upper body 11, a lower body 12, a scraper and a chain 50. The upper body 11 includes a bottom plate 21 and side plates 22 on both sides thereof.
Because the initial speed, namely the linear speed, of the double chains in the chain wheel driven by the machine head is the same, when two chains pass through a curve, the turning radius of the inner side chain and the turning radius of the outer side chain are different, so that the rotation angle of the outer side chain in the same time is smaller than that of the inner side chain, the inner side chain and the outer side chain of the scraper are unbalanced, vibration and instability of the machine are caused, the working efficiency and the service life of the machine are reduced, and the abrasion of the scraper, the chains, the transmission device and other parts is aggravated. So make the inner chain travel path grow through raising inboard middle part groove and make the total distance that two links walked on this highway section of going into the bight to go out the bight equal to guarantee the stationarity of scraper blade operation, set up corner curved surface 23 between corner position department bottom plate 21 and inboard curb plate 27, corner curved surface 23 includes corner step face 231 and corner facade 232, corner step face 231 is higher than bottom plate 21 setting, corner facade 232 connects between corner step face 231 and bottom plate 21 for inside chain 50 is when passing the corner and is passed through corner curved surface 23 and realize the position and raise, in order to prolong its travel path. The corner curved surface 23 comprises a corner step surface 231 and a corner elevation 232, the corner step surface 231 is higher than the bottom plate 21, the corner elevation 232 is connected between the corner step surface 231 and the bottom plate 21, the corner step surface 231 can be a horizontal surface or an inclined surface, and the corner elevation 232 can be a vertical surface or an inclined surface.
In order to ensure smooth transition between the curved corner surface 23 and the bottom plate 21 of the scraper and the chain 50, two ends of the curved corner surface 23 along the traveling direction of the chain 50 are respectively connected with a transition surface 24, the transition surface 24 is arranged at the corner position where the scraper enters and exits, and the transition surface 24 is formed by encircling the bottom plate 21, the side plates 22 and the curved corner surface 23. The transition surface 24 comprises a transition slope surface 241 and a transition cambered surface 242, the transition slope surface 241 is connected to two ends of the corner step surface 231, the transition cambered surface 242 is a space curved surface, and the transition slope surface 241, the corner elevation 232 and the bottom plate 21 are arranged.
As shown in fig. 4 to 6, the scraping plates include a first scraping plate 41, a connecting plate 42 and a second scraping plate 43 which are sequentially hinged, the connecting plate 42 includes a first connecting block 421, a second connecting block 422 and a third connecting block 423,2 which are sequentially hinged, the chains 50 are fixedly connected to the second connecting block 422, the first connecting block 421 and the third connecting block 423 are both rotated around the advancing direction of the chains 50 relative to the second connecting block 422, the first connecting block 421 is fixedly connected with the first scraping plate 41, the third connecting block 423 is hinged to the second scraping plate 43, and the second scraping plate 43 is rotated around the advancing direction perpendicular to the chains 50 relative to the third connecting block 423. The adoption looks articulated multisection scraper blade can laminate the slope of transition slope and turn department and in order to balance the path difference that inside and outside chain produced at the turn department, prevents that the scraper blade both ends from producing speed, corner, the unbalanced emergence that leads to the scraper blade card at the middle part groove phenomenon such as journey department at the turn department, and multisection scraper blade makes each part of scraper blade laminate the different planes of corner department respectively simultaneously, guarantees that the material in the different regions of middle part groove corner department can both be transported by the scraper blade high efficiency, prevents that the material from piling up. The second connection block 422 moves along the transition cambered surface 242 and the surface of the corner elevation 232 when passing through the corner, and the second scraping plate 43 drives the chain 50 to move along the transition slope surface 241 and the surface of the corner step surface 231 when passing through the corner. The inner and outer chains 50 are vertically distributed on the second connecting block 422, so that the second connecting block 422 can be completely clung to the corner elevation 232 due to the tensioning force of the chains 50 during turning, the phenomenon that the position and the posture of the scraping plate are abnormal due to the fact that the tensioning force of the chains 50 is too large when the power of a motor is too large is reduced, and the transportation effect of the scraping plate conveyor is effectively improved.
The slide way 25 is arranged below the side plate 22, and the free ends of the first scraping plate 41 and the second scraping plate 43 are clamped in the slide way 25 and move along the slide way 25 so as to limit the pose of the scraping plates and prevent the scraping plates from jumping in the moving process and affecting the transporting effect of materials. Preferably, as shown in fig. 7, the free ends of the first scraper 41 and the second scraper 43 are rotatably connected with a pulley 44, and the pulley 44 abuts against the slide 25 and rotates along the slide 25. The pulleys 44 may be disposed in a horizontal or vertical direction, and the number of the pulleys 44 may be one or more to reduce friction between the squeegee and the slide 25 during movement and to increase smoothness of the squeegee during travel.
The side plate 22 at the corner position extends upwards to form a corner inner side plate 26 and a corner outer side plate 27, so that the phenomenon that coal blocks fly out of the scraper conveyor due to overlarge gradient at a turning position is avoided.
The upper machine body 11 and the lower machine body 12 are identical in structure and symmetrically arranged along the vertical direction, the chain 50 and the scraping plate sequentially pass through the upper machine body 11 and the lower machine body 12 to realize circulating motion, corner curved surfaces with identical structures are arranged at corner positions of the upper machine body 11 and the lower machine body 12, and the rotation corner curved surfaces are matched with a rotation corner driving mechanism to drive the scraping plate and the chain to move, so that the uniform stress and stable movement of the chain and the scraping plate in the whole circulating process are ensured.
The present invention has been described above by way of example, but the present invention is not limited to the above-described embodiments, and any modifications or variations based on the present invention fall within the scope of the present invention.
Claims (6)
1. The double-chain corner structure for the scraper conveyor is characterized by comprising an upper machine body (11), a lower machine body (12), a scraper and a chain (50), wherein the upper machine body (11) and the lower machine body (12) are symmetrically arranged along the vertical direction, and the upper machine body (11) comprises a bottom plate (21) and side plates (22) on two sides of the bottom plate; a corner curved surface (23) is arranged between the bottom plate (21) at the corner position and the side plate (22) at the inner side, the corner curved surface (23) comprises a corner step surface (231) and a corner elevation (232), the corner step surface (231) is higher than the bottom plate (21), and the corner elevation (232) is connected between the corner step surface (231) and the bottom plate (21); the two ends of the corner curved surface (23) along the advancing direction of the chain (50) are respectively connected with a transition surface (24), the transition surfaces (24) are arranged at the corner positions of the scraper blade, and the transition surfaces (24) are formed by encircling a bottom plate (21), side plates (22) and the corner curved surface (23);
The scraper blade is including articulated first scraper blade (41), connecting plate (42) and second scraper blade (43) in proper order, and connecting plate (42) are including articulated first connecting block (421), second connecting block (422) and third connecting block (423) in proper order, and 2 chain (50) fixed connection are on second connecting block (422), first connecting block (421) and third connecting block (423) are all relative second connecting block (422) rotate around chain (50) advancing direction, first connecting block (421) and first scraper blade (41) fixed connection, third connecting block (423) are articulated with second scraper blade (43), and second scraper blade (43) are relative third connecting block (423) rotate around perpendicular to chain (50) advancing direction.
2. The double-chain corner structure for the scraper conveyor according to claim 1, wherein the transition surface (24) comprises a transition slope surface (241) and a transition cambered surface (242), the transition slope surface (241) is connected to two ends of the corner step surface (231), the transition cambered surface (242) is a space curved surface, and the transition slope surface (241), the corner elevation surface (232) and the bottom plate (21) are arranged between each other.
3. The double-chain corner structure for the scraper conveyor according to claim 2, wherein the second connecting block (422) moves along the surfaces of the transition cambered surface (242) and the corner elevation (232) when moving at the corner, and the second scraper (43) moves along the surfaces of the transition slope (241) and the corner step (231) when moving at the corner.
4. The double-chain corner structure for the scraper conveyor according to claim 1, wherein a slide way (25) is arranged below the side plate (22), and free ends of the first scraper (41) and the second scraper (43) are clamped in the slide way (25) and move along the slide way (25).
5. The double-chain corner structure for the scraper conveyor according to claim 4, wherein free ends of the first scraper (41) and the second scraper (43) are rotatably connected with a pulley (44), and the pulley (44) is abutted in the slideway (25) and rotates along the slideway (25).
6. A double-chain corner structure for a scraper conveyor according to claim 1, characterized in that the corner side plates (22) extend upward to form corner inner side plates (26) and corner outer side plates (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311384710.4A CN117284699B (en) | 2023-05-30 | 2023-05-30 | Double-chain corner structure for scraper conveyor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311384710.4A CN117284699B (en) | 2023-05-30 | 2023-05-30 | Double-chain corner structure for scraper conveyor |
| CN202310629841.8A CN116513715B (en) | 2023-05-30 | 2023-05-30 | Space double-chain right-angle turning assembly of scraper conveyor |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310629841.8A Division CN116513715B (en) | 2023-05-30 | 2023-05-30 | Space double-chain right-angle turning assembly of scraper conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117284699A CN117284699A (en) | 2023-12-26 |
| CN117284699B true CN117284699B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310629841.8A Active CN116513715B (en) | 2023-05-30 | 2023-05-30 | Space double-chain right-angle turning assembly of scraper conveyor |
| CN202311384710.4A Active CN117284699B (en) | 2023-05-30 | 2023-05-30 | Double-chain corner structure for scraper conveyor |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310629841.8A Active CN116513715B (en) | 2023-05-30 | 2023-05-30 | Space double-chain right-angle turning assembly of scraper conveyor |
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| CN (2) | CN116513715B (en) |
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2023
- 2023-05-30 CN CN202310629841.8A patent/CN116513715B/en active Active
- 2023-05-30 CN CN202311384710.4A patent/CN117284699B/en active Active
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| CN117284699A (en) | 2023-12-26 |
| CN116513715A (en) | 2023-08-01 |
| CN116513715B (en) | 2023-11-24 |
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