CN110949952A - Belt conveyor system - Google Patents
Belt conveyor system Download PDFInfo
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- CN110949952A CN110949952A CN201911260672.5A CN201911260672A CN110949952A CN 110949952 A CN110949952 A CN 110949952A CN 201911260672 A CN201911260672 A CN 201911260672A CN 110949952 A CN110949952 A CN 110949952A
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- belt
- idler
- rotating roller
- belt conveyor
- conveyor system
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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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
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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
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
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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
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/10—Arrangements of rollers
- B65G39/12—Arrangements of rollers mounted on framework
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
The invention provides a belt conveyor system, which is used for testing the conveying performance of muck in shield-method subway construction and comprises a headstock, a tailstock, a first rotating roller, a second rotating roller and a conveying belt, wherein the headstock and the tailstock are arranged at intervals in the horizontal direction, and the tailstock is higher than the headstock; the first rotating roller is rotatably arranged on the headstock, and the second rotating roller is rotatably arranged on the tailstock; the conveying belt is wound on the first rotating roller and the second rotating roller to circularly move under the rolling driving action of the first rotating roller and the second rotating roller, wherein the inclined included angle between the conveying belt and the horizontal direction is more than or equal to 13 degrees and less than or equal to 15 degrees. The invention solves the problems that the belt conveyor in the prior art cannot efficiently and quickly transport the muck in the tunnel out of the tunnel due to unreasonable structural arrangement of the belt conveyor, the working efficiency of the belt conveyor is reduced, the construction period of shield construction is prolonged, and the cost of shield construction is increased.
Description
Technical Field
The invention relates to the technical field of shield construction, in particular to a belt conveyor system.
Background
In the construction process of the subway tunnel, the shield method is widely applied due to high mechanization degree, safe construction and good adaptability, wherein the common shield method is to adopt a shield machine to carry out shield tunneling.
In the tunneling process of the shield machine, a belt conveyor is usually arranged at an initial position of the shield machine so as to transport the muck generated in the tunneling process of the shield machine out of the tunnel in time, and the structure of the conventional belt conveyor is unreasonable, so that the belt conveyor cannot transport the muck in the tunnel out of the tunnel efficiently and quickly, the working efficiency of the belt conveyor is reduced, the construction period of the shield construction is prolonged, and the shield construction cost is improved.
Disclosure of Invention
The invention mainly aims to provide a belt conveyor system, which aims to solve the problems that in the prior art, the belt conveyor cannot efficiently and quickly transport the muck in a tunnel out of the tunnel due to unreasonable structural arrangement of the belt conveyor, the working efficiency of the belt conveyor is reduced, the construction period of shield construction is prolonged, and the cost of shield construction is increased.
In order to achieve the above object, the present invention provides a belt conveyor system for testing the conveying performance of the muck in the shield-method subway construction, comprising a headstock, a tailstock, a first roller, a second roller and a conveying belt, wherein the headstock and the tailstock are arranged at an interval in the horizontal direction, and the tailstock is higher than the headstock; the first rotating roller is rotatably arranged on the headstock, and the second rotating roller is rotatably arranged on the tailstock; the conveying belt is wound on the first rotating roller and the second rotating roller to circularly move under the rolling driving action of the first rotating roller and the second rotating roller, wherein the inclined included angle between the conveying belt and the horizontal direction is more than or equal to 13 degrees and less than or equal to 15 degrees.
Further, the belt conveyor system still includes bears swash plate and a plurality of support frame, bears the swash plate and connects headstock and tailstock, and a plurality of support frames support between ground and the lower surface that bears the swash plate, and a plurality of support frames set up along the length direction interval that bears the swash plate.
Further, the conveying belt comprises an upper section and a lower section which are connected in an annular manner; the belt conveyor system also comprises a belt supporting assembly, wherein the belt supporting assembly comprises a frame and an upper carrier roller assembly, and the frame is arranged on the upper surface of the bearing inclined plate; the upper idler assembly is disposed on the frame, the upper segment overlaps the upper idler assembly, and the lower segment is traversed by a gap between the upper idler assembly and the load-bearing ramp.
Further, upper portion bearing roller subassembly includes first edge bearing roller, central bearing roller and the second edge bearing roller of rolling setting in proper order along conveyor belt's width direction, and wherein, central bearing roller sets up along the horizontal direction, and first edge bearing roller and second edge bearing roller slope set up and the symmetry sets up the both ends at central bearing roller in the horizontal direction.
Further, the inclination angle of the first edge idler and the second edge idler is greater than or equal to 20 degrees and less than or equal to 40 degrees.
Further, the belt support assembly also includes a bottom idler rotatably disposed on the frame and located below the upper idler assembly, the lower section being in overlapping engagement with the bottom idler.
Furthermore, the belt supporting components are multiple and arranged at equal intervals along the length direction of the bearing inclined plate.
Furthermore, the headstock, the tailstock and the support frame are all made of rib plates and/or channel steel.
Further, the distance between the first rotating roller and the second rotating roller is more than or equal to 25m and less than or equal to 35m, and the moving speed of the conveying belt is more than or equal to 2.5m/min and less than or equal to 3.5 m/min.
Further, the inclined included angle between the conveying belt and the horizontal direction is 14.3 degrees, and the distance between the first rotating roller and the second rotating roller is 23 m; the moving speed of the conveyor belt was 3.15 m/min.
In order to ensure that the dregs in the tunnel can be efficiently and quickly transported out of the tunnel after the belt conveyor system is put into use, before the belt conveyor system is put into use, the conveying performance of the belt conveyor system to the dregs is tested.
By applying the technical scheme of the invention, the angle range of the inclined included angle between the conveying belt of the belt conveyor system and the horizontal direction is optimized, so that the belt conveyor system occupies the transverse space in the subway tunnel as small as possible, the belt conveyor system is beneficial to miniaturization design, and the space utilization rate of the subway system is improved; in addition, when conveyor belt transports the dregs under the rolling drive effect of first commentaries on classics roller and second commentaries on classics roller, conveyor belt's angle is at reasonable numerical range, can also ensure that the dregs on the conveyor belt receive enough big static friction at the in-process of being transported, avoid the dregs to slide down along conveyor belt's inclined plane under the action of gravity, thereby guarantee that conveyor belt can all transport out the tunnel with the dregs high efficiency swiftly in the tunnel, the operational reliability of belt feeder system has been improved, thereby the progress of shield construction has been accelerated, and then the time limit for a project of shortening the shield construction, the economic nature of shield construction has been promoted.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
figure 1 shows a schematic overall structural view of a belt conveyor system according to an alternative embodiment of the invention;
fig. 2 shows a schematic structural view of a belt support assembly, a load bearing inclined plate and a support frame of the belt conveyor system in fig. 1.
Wherein the figures include the following reference numerals:
10. a headstock; 20. a tailstock; 30. a first rotating roller; 40. a second rotating roller; 50. a conveyor belt; 51. an upper section; 52. a lower section; 60. a bearing inclined plate; 70. a belt support assembly; 71. a frame; 72. an upper idler assembly; 721. a first edge idler; 722. a central idler; 723. a second edge idler; 73. a bottom idler; 80. a support frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problems that the belt conveyor cannot convey the muck in the tunnel out of the tunnel in time due to unreasonable arrangement of the overall structure of the belt conveyor in the prior art, the working efficiency of the belt conveyor is reduced, the construction period of shield construction is prolonged, and the cost of shield construction is improved, the invention provides a belt conveyor system which is used for testing the conveying performance of the muck in the shield-method subway construction, as shown in fig. 1, the belt conveyor system comprises a headstock 10, a tailstock 20, a first rotating roller 30, a second rotating roller 40 and a conveying belt 50, wherein the headstock 10 and the tailstock 20 are arranged at intervals in the horizontal direction, and the tailstock 20 is higher than the headstock 10; the first rotating roller 30 is rotatably arranged on the headstock 10, and the second rotating roller 40 is rotatably arranged on the tailstock 20; the conveying belt 50 is wound around the first rotating roller 30 and the second rotating roller 40 to circularly move under the rolling driving action of the first rotating roller and the second rotating roller, wherein the inclined angle between the conveying belt 50 and the horizontal direction is more than or equal to 13 degrees and less than or equal to 15 degrees.
By optimizing the angle range of the inclined included angle between the conveying belt 50 of the belt conveyor system and the horizontal direction, the belt conveyor system can occupy the transverse space in the subway tunnel as small as possible, the belt conveyor system is beneficial to being miniaturized and designed, and the space utilization rate of the subway system is improved; in addition, when conveyor belt 50 transports the dregs under the rolling drive effect of first commentaries on classics roller 30 and second commentaries on classics roller 40, conveyor belt 50's angle is at reasonable numerical range, can also ensure that the dregs on conveyor belt 50 receive enough big static friction at the in-process of being transported, avoid the dregs to slide down along conveyor belt 50's inclined plane under the action of gravity, thereby guarantee that conveyor belt 50 can all transport the tunnel with the dregs in the tunnel high-efficient swiftly, the operational reliability of belt feeder system has been improved, thereby the progress of shield construction has been accelerated, and then shorten the time limit for a project of shield construction, the economic nature of shield construction has been promoted.
As shown in fig. 1, the belt conveyor system further includes a bearing inclined plate 60 and a plurality of support frames 80, the bearing inclined plate 60 connects the headstock 10 and the tailstock 20, the plurality of support frames 80 are supported between the ground and the lower surface of the bearing inclined plate 60, and the plurality of support frames 80 are arranged at intervals along the length direction of the bearing inclined plate 60. In this way, the headstock 10 and the tailstock 20 are connected through the bearing inclined plate 60, so that the connection stability of the headstock 10 and the tailstock 20 is improved, the conveying belt 50 can be ensured to stably and circularly move between the first rotating roller 30 on the headstock 10 and the second rotating roller 40 on the tailstock 20, and the stability of conveying the slag soil of the belt conveyor system is improved; in addition, support a plurality of support frames 80 between ground and the lower surface that bears the swash plate 60, and a plurality of support frames 80 set up along the length direction interval that bears the swash plate 60, ensure that the swash plate 60 that bears between headstock 10 and the tailstock 20 can remain in the coplanar all the time, avoid the bear swash plate 60 between headstock 10 and the tailstock 20 to be in unsettled state and take place to rock, and then influence the stability that the belt feeder system transported the dregs, therefore, the belt feeder system of above-mentioned structure is favorable to having good operational reliability.
As shown in fig. 1 and 2, the conveyor belt 50 includes an upper section 51 and a lower section 52 connected in an endless manner; the belt conveyor system further comprises a belt support assembly 70, the belt support assembly 70 comprising a frame 71 and an upper idler assembly 72, wherein the frame 71 is disposed on an upper surface of the load-bearing ramp 60; the upper idler assembly 72 is disposed on the frame 71 with the upper segment 51 overlapping the upper idler assembly 72 and the lower segment 52 being traversed by the gap between the upper idler assembly 72 and the load ramp 60. In this way, by providing the conveyor belt 50 in a structural form including the upper segment 51 and the lower segment 52 connected in an endless manner, it is ensured that the conveyor belt 50 can be moved cyclically by the rolling drive of the first rotating roller 30 and the second rotating roller 40; in addition, by arranging the frame 71 on the upper surface of the inclined carrying plate 60 and arranging the upper idler roller assembly 72 on the frame 71, the mounting position of the conveyor belt 50 on the belt support assembly 70 is optimized, specifically, the upper section 51 of the conveyor belt 50 is overlapped on the upper idler roller assembly 72, and the lower section 52 of the conveyor belt 50 is penetrated through the gap between the upper idler roller assembly 72 and the inclined carrying plate 60, so that the upper section 51 and the lower section 52 are ensured not to interfere with each other during the circulating movement of the conveyor belt 50 under the rolling driving action of the first rotating roller 30 and the second rotating roller 40, and the operational reliability of the belt conveyor system is improved.
As shown in fig. 2, the upper idler assembly 72 includes a first edge idler 721, a center idler 722, and a second edge idler 723, which are sequentially arranged in a rolling manner in the width direction of the conveyor belt 50, wherein the center idler 722 is arranged in the horizontal direction, and the first edge idler 721 and the second edge idler 723 are arranged obliquely to the horizontal direction and are symmetrically arranged at both ends of the center idler 722. In this way, by arranging the central idler 722 in the horizontal direction, arranging the first edge idler 721 and the second edge idler 723 in the horizontal direction and symmetrically at two ends of the central idler 722, the upper section 51 is attached to the upper idler assembly 72 in an adaptive manner along the surface of the upper idler assembly 72 after being lapped on the upper idler assembly 72, so that the contact area between the upper idler assembly 72 and the upper section 51 of the conveying belt 50 is increased, the conveying stability of the upper idler assembly 72 to the upper section 51 is improved, the conveying belt 50 can convey the slag smoothly, and the working reliability of the belt conveyor system is improved.
Note that, in the present application, the inclination angle of the first edge idler 721 and the second edge idler 723 is 20 degrees or more and 40 degrees or less. In this way, by optimizing the angle range of the inclination angles of the first edge roller 721 and the second edge roller 723, the upper section 51 of the conveying belt 50 can be ensured to bear enough amount of muck during the muck conveying process of the belt conveyor system, and the working efficiency of the belt conveyor system is further improved.
As shown in fig. 2, the belt support assembly 70 further includes a bottom idler 73, the bottom idler 73 being rotatably disposed on the frame 71 below the upper idler assembly 72, the lower segment 52 overlapping the bottom idler 73. Thus, the bottom carrier roller 73 can support the lower section 52, and when the conveying belt 50 circularly moves under the rolling driving action of the first rotating roller 30 and the second rotating roller 40, the lower section 52 is prevented from excessively falling under the self weight, so that the movement stability of the lower section 52 is ensured, and the phenomenon of jumping of the conveying belt 50 in the process of conveying the slag soil is avoided.
As shown in fig. 1, the belt supporting members 70 are provided in plural, and the plural belt supporting members 70 are provided at equal intervals in the longitudinal direction of the load-bearing swash plate 60. In this way, by arranging the plurality of belt supporting members 70 at equal intervals in the length direction of the bearing inclined plate 60, the contact area between the conveyor belt 50 and the belt supporting members 70 is increased, thereby improving the supporting stability of the conveyor belt 50 by the belt supporting members 70.
Optionally, the headstock 10, the tailstock 20 and the support frame 80 are made of rib plates, the weight of the rib plates is light, so that the belt conveyor system is light, and meanwhile, the rib plates are high in bearing capacity and high in bending resistance, so that the headstock 10, the tailstock 20 and the support frame 80 have sufficient strength, and the overall structural strength of the belt conveyor system is improved.
Optionally, the headstock 10, the tailstock 20 and the support frame 80 are all made of channel steel, and the channel steel is a long steel bar with a groove-shaped cross section, so that the weight of the headstock 10, the tailstock 20 and the support frame 80 made of the channel steel is reduced, and the belt conveyor system is light.
Alternatively, the distance between the first rotating roller 30 and the second rotating roller 40 is 25m or more and 35m or less, and the moving speed of the conveyor belt 50 is 2.5m/min or more and 3.5m/min or less. In this way, the distance between the first rotating roller 30 and the second rotating roller 40 and the moving speed of the conveying belt 50 are optimized, so that the working efficiency of the belt conveyor system is improved while the belt conveyor system can stably convey the dregs, and the working reliability of the belt conveyor system is improved.
It should be noted that, in the present application, on the premise of ensuring that the belt conveyor system can normally convey the dregs, in order to improve the structural compactness of the belt conveyor system, preferably, the inclined angle between the conveying belt 50 and the horizontal direction is 14.3 degrees, and the distance between the first rotating roller 30 and the second rotating roller 40 is 23 m; the moving speed of the conveyor belt 50 was 3.15 m/min.
Optionally, when the diameter of the first rotating roller 30 is smaller than the diameter of the second rotating roller 40, the rotating speed of the first rotating roller 30 is greater than the rotating speed of the second rotating roller 40, so that the belt conveyor system is in a differential rotation state, and when the second rotating roller 40 is a driving wheel, by adjusting the diameter of the second rotating roller 40, the driving torque of the second rotating roller 40 on the conveying belt 50 is favorably improved, so that the stable driving effect on the conveying belt 50 is favorably improved, and the slipping phenomenon of the conveying belt 50 can be avoided when the second rotating roller 40 and the first rotating roller 30 are in the differential rotation state, so that the stable operation of the belt conveyor system is favorably realized.
Optionally, when the diameter of the first rotating roller 30 is equal to the diameter of the second rotating roller 40, the rotating speed of the first rotating roller 30 is equal to the rotating speed of the second rotating roller 40, so that the belt conveyor system is in a same-speed rotating state, the first rotating roller 30 and the second rotating roller 40 are conveniently controlled, the first rotating roller 30 and the second rotating roller 40 can be used as active driving wheels, the power output of the belt conveyor system is improved, the transmission stability of the belt conveyor system can be ensured, and the belt conveyor system can be guaranteed to efficiently and smoothly transport the muck out of the tunnel.
Preferably, the diameter of the first rotating roller 30 is 400mm, and the diameter of the second rotating roller 40 is 500mm, so that the diameters of the first rotating roller 30 and the second rotating roller 40 are optimized respectively, and in the process of conveying the muck by the belt conveyor system, the slip phenomenon caused by the undersize diameter of the first rotating roller 30 is avoided, the conveying belt 50 can stably convey the muck, and the working reliability of the belt conveyor system is improved.
It should be noted that, in this application, the belt conveyor system further includes a driving portion, optionally, when the driving portion is in driving connection with the first roller 30, in this way, the belt conveyor system is convenient for drive the first roller 30 to rotate through the driving portion, so that the first roller 30 drives the second roller 40 to rotate, further the conveying belt 50 circularly moves under the rolling driving action of the first roller 30 and the second roller 40, and the automation of the belt conveyor system is improved.
Optionally, when the driving portion is in driving connection with the second rotating roller 40, in this way, the belt conveyor system is convenient to drive the second rotating roller 40 to rotate through the driving portion, so that the second rotating roller 40 drives the first rotating roller 30 to rotate, and further the conveying belt 50 circularly moves under the rolling driving action of the first rotating roller 30 and the second rotating roller 40, thereby improving the automation of the belt conveyor system.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a belt feeder system for the test is to the transport performance of dregs, its characterized in that includes in shield structure method subway construction:
the device comprises a machine head frame (10) and a machine tail frame (20), wherein the machine head frame (10) and the machine tail frame (20) are arranged at intervals in the horizontal direction, and the machine tail frame (20) is higher than the machine head frame (10);
a first rotating roller (30) and a second rotating roller (40), wherein the first rotating roller (30) is rotatably arranged on the machine head frame (10), and the second rotating roller (40) is rotatably arranged on the machine tail frame (20);
conveyor belt (50), conveyor belt (50) are around establishing first commentaries on classics roller (30) with on second commentaries on classics roller (40) to the endless movement under the rolling drive effect of both, wherein, conveyor belt (50) and horizontal direction's slope contained angle is more than or equal to 13 degrees and less than or equal to 15 degrees.
2. The belt conveyor system of claim 1, further comprising a bearing inclined plate (60) and a plurality of support frames (80), wherein the bearing inclined plate (60) connects the headstock (10) and the tailstock (20), the plurality of support frames (80) are supported between the ground and the lower surface of the bearing inclined plate (60), and the plurality of support frames (80) are arranged at intervals along the length direction of the bearing inclined plate (60).
3. A belt conveyor system according to claim 2, characterized in that said conveyor belt (50) comprises an upper segment (51) and a lower segment (52) connected in an endless manner; the belt conveyor system further comprises a belt support assembly (70), the belt support assembly (70) comprising:
a frame (71), the frame (71) being disposed on an upper surface of the swash plate (60);
an upper idler assembly (72), the upper idler assembly (72) being disposed on the frame (71), the upper segment (51) overlapping the upper idler assembly (72), the lower segment (52) being traversed by a gap between the upper idler assembly (72) and the swash plate (60).
4. A belt conveyor system according to claim 3, wherein the upper idler assembly (72) comprises a first edge idler (721), a central idler (722) and a second edge idler (723) which are arranged in a rolling manner in sequence along the width direction of the conveying belt (50), wherein the central idler (722) is arranged in a horizontal direction, and the first edge idler (721) and the second edge idler (723) are arranged obliquely to the horizontal direction and symmetrically arranged at two ends of the central idler (722).
5. A belt conveyor system as claimed in claim 4, wherein the angle of inclination of the first and second edge idlers (721, 723) is greater than or equal to 20 degrees and less than or equal to 40 degrees.
6. A belt conveyor system as claimed in claim 4 wherein the belt support assembly (70) further comprises a bottom idler (73), the bottom idler (73) being rotatably disposed on a frame (71) below the upper idler assembly (72), the lower segment (52) overlapping the bottom idler (73).
7. A belt conveyor system as claimed in any one of claims 3 to 6, wherein the belt support assemblies (70) are plural, and the plural belt support assemblies (70) are arranged at equal intervals along the length direction of the load-bearing sloping plate (60).
8. A belt conveyor system according to claim 2, characterized in that the head frame (10), the tail frame (20) and the support frame (80) are all made of rib plates and/or channel steel.
9. A belt conveyor system according to claim 1, characterized in that the distance between the first roller (30) and the second roller (40) is greater than or equal to 25m and less than or equal to 35m, and the speed of movement of the conveyor belt (50) is greater than or equal to 2.5m/min and less than or equal to 3.5 m/min.
10. A belt conveyor system as claimed in claim 9, characterized in that said conveyor belt (50) is inclined at an angle of 14.3 degrees to the horizontal, and in that the distance between said first roller (30) and said second roller (40) is 23 m; the moving speed of the conveying belt (50) is 3.15 m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260672.5A CN110949952A (en) | 2019-12-10 | 2019-12-10 | Belt conveyor system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260672.5A CN110949952A (en) | 2019-12-10 | 2019-12-10 | Belt conveyor system |
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| CN110949952A true CN110949952A (en) | 2020-04-03 |
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| CN201911260672.5A Pending CN110949952A (en) | 2019-12-10 | 2019-12-10 | Belt conveyor system |
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Application publication date: 20200403 |