Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
To this end, embodiments of the present invention propose a belt conveyor that can quickly shorten the length of the body.
The belt conveyor comprises a guide rail, a plurality of traction devices, a plurality of telescopic machine body groups and a conveying belt, wherein the traction devices are movably arranged on the guide rail and can be fixed relative to the guide rail, the traction devices are arranged at intervals along the length direction of the guide rail, the telescopic machine body groups are respectively arranged between two adjacent traction devices, two ends of each telescopic machine body group are respectively connected with the two traction devices, the telescopic machine body groups can stretch along the length direction of the guide rail under the driving of the traction devices, and the conveying belt is in a closed ring shape and can be rotatably wound on the telescopic machine body groups.
The belt conveyor of the embodiment of the invention realizes the function of quickly shortening the length of the conveyor body under the driving of the traction device, greatly reduces the shutdown times of the belt conveyor, effectively improves the conveying efficiency and reduces the labor cost.
In some embodiments, the telescopic fuselage set comprises:
the supporting frames are movably arranged on the guide rail and are arranged at intervals along the length direction of the guide rail;
the carrier roller groups are arranged on the supporting frame and support the conveying belt;
the telescopic assemblies are arranged between the adjacent support frames.
In some embodiments, the retraction assembly comprises:
the cross pieces comprise a first cross connecting rod and a second cross connecting rod, and the middle part of the first cross connecting rod is hinged with the middle part of the second cross connecting rod;
the plurality of cross pieces are sequentially hinged end to end, at least one group of adjacent first cross connecting rods and/or adjacent second cross connecting rods exist, and limiting protrusions are arranged at the end parts of the opposite ends of the first cross connecting rods and/or the second cross connecting rods.
In some embodiments, the retraction assembly further comprises:
two end parts hinged to the ends of the plurality of cross parts connected in sequence;
the end part comprises a first end connecting rod and a second end connecting rod, one end of the first end connecting rod, which is far away from the cross part, is hinged with one end of the second end connecting rod, which is far away from the cross part, and the hinged position of the first end connecting rod is hinged with the supporting frame.
In some embodiments, the first end link and the first cross link adjacent thereto are provided with the limiting protrusions at both ends opposite thereto;
and/or the second end connecting rod and the second cross connecting rod adjacent to the second end connecting rod are provided with the limiting bulges at the end parts of the opposite ends.
In some embodiments, the belt conveyor further comprises a drive roller set disposed at the belt conveyor head, the conveyor belt passing around the drive roller set, the drive roller set adapted to be coupled to a drive member.
In some embodiments, the belt conveyor further comprises:
the unloading roller is arranged adjacent to and above the driving roller group, and the conveying belt bypasses the unloading roller;
the tail roller is arranged at one end, far away from the unloading roller, of the guide rail, and the conveying belt is wound on the tail roller.
In some embodiments, the belt conveyor further comprises a belt storage bin, the belt storage bin is arranged between the driving roller set and the traction device, a first roller set is arranged in the belt storage bin, and the conveyor belt is wound on the first roller set.
In some embodiments, the belt conveyor further comprises a tensioning device connected to the end rollers of the first roller set, and the tensioning device can drive the end rollers of the first roller set to move along the length direction of the guide rail so as to tension the conveyor belt.
In some embodiments, a second roller set is arranged on the traction device, and the conveying belt is wound on the second roller set.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A belt conveyor according to an embodiment of the present invention will be described below with reference to the accompanying drawings.
The belt conveyor of the embodiment of the invention comprises a guide rail 1, a traction device 2, a telescopic machine body group 3 and a conveying belt 4.
Draw gear 2 and flexible fuselage group 3 are a plurality ofly, and a plurality of draw gear 2 are arranged along guide rail 1's length direction interval, and a plurality of flexible fuselage group 3 are established respectively between two adjacent draw gear 2, and the both ends of flexible fuselage group 3 link to each other with two draw gear 2 respectively, and conveyer belt 4 is the confined annular and rotationally around establishing on flexible fuselage group 3.
Draw gear 2 and flexible fuselage group 3 all movably establish on guide rail 1 to draw gear 2 and flexible fuselage group 3 can fix relative guide rail 1 after sliding to suitable position, and guide rail 1 is laid along the tunnel, and draw gear 2 and flexible fuselage group 3's bottom all is equipped with the gyro wheel that corresponds with guide rail 1, and the gyro wheel rolls and sets up on guide rail 1, realizes draw gear 2 and flexible fuselage group 3's removal function. The telescopic machine body group 3 is driven by the traction device 2 to be telescopic along the length direction of the guide rail 1, so that the overall length of the belt conveyor is adjusted.
The working characteristics of the crossheading face belt conveyor are that the length of the belt conveyor can be gradually shortened along with the advance of the working face, so that when the initial laying state is carried out, a plurality of telescopic machine body groups 3 are all unfolded to enable the belt conveyor to be in the longest state, and when the belt conveyor needs to be shortened along with the advance of the working face, the telescopic machine body groups 3 can be gradually shortened to the limit state in sequence under the pushing action of the traction device 2. The operation can be operated without stopping the machine, the conveying efficiency of the belt conveyor is improved,
it should be noted that the effective telescopic length of each group of telescopic bodies is set to be 50m, the length of the underground conveying belt 4 is usually 100 m/coil, when the length of the conveyer is shortened by 50m, the machine needs to be stopped and the belt is drawn, at this time, the shortest telescopic body can be integrally removed in a centralized time, the telescopic body is integrally transported by special transportation equipment, and the labor intensity of personnel is reduced.
The belt conveyor of the embodiment of the invention realizes the function of quickly shortening the length of the conveyor body under the driving of the traction device 2, greatly reduces the shutdown times of the belt conveyor, effectively improves the conveying efficiency and reduces the labor cost.
In some embodiments, the telescopic body group 3 includes a plurality of supporting frames 31, a plurality of idler groups 32 and a plurality of telescopic assemblies 33, the supporting frames 31 are movably disposed on the guide rail 1, the plurality of supporting frames 31 are spaced apart along the length direction of the guide rail 1, the supporting frames 31 are composed of cross bars and two columns, the cross bars are welded between the two columns to form an H-shaped structure, correspondingly, the number of the guide rails 1 is also two, and the bottoms of the two columns respectively correspond to the two guide rails 1.
Each support frame 31 is provided with a roller group 32, and the conveyor belt 4 bypasses the roller groups 32, so that the support of the conveyor belt 4 is realized.
The carrier roller group 32 comprises an upper carrier roller and a lower carrier roller, the upper carrier roller is rotatably arranged at the top of the support frame 31, the lower carrier roller is rotatably arranged on the support frame 31 and located below the upper carrier roller, and the axial direction of the upper carrier roller and the axial direction of the lower carrier roller are respectively perpendicular to the length direction of the guide rail 1, so that the upper carrier roller supports the upper side belt of the conveying belt 4, and the lower carrier roller supports the lower side belt of the conveying belt 4.
In some embodiments, the support frame 31 is rotatably provided with an offset vertical pipe, and the offset vertical pipe is located on two sides of the upper carrier roller to avoid the deviation problem of the conveying belt 4 during conveying.
The telescopic assembly 33 is hinged between the adjacent support frames 31, and can perform telescopic action based on the telescopic device, so that the distance between the adjacent support frames 31 can be adjusted, and the overall length adjustment of the telescopic machine body is realized.
It should be noted that, the traction device 2 located at the head end of the guide rail 1 and the support frame 31 adjacent to the traction device 2 are both fixed relative to the guide rail 1, and the rest traction devices 2 and the support frames 31 are both movably arranged, so that the traction device 2 at the tail end moves towards the head end to drive the support frame 31 to move, and meanwhile, the telescopic assembly 33 contracts to achieve the purpose of shortening the length of the machine body.
The traction device 2 is provided with a second roller group 21, the conveying belt 4 bypasses the second roller group 21, the second roller group 21 rotates, the traction device 2 can move along the length direction of the guide rail 1, and the length of the machine body is shortened.
A plurality of cross-members including a first cross-link 331 and a second cross-link 332.
The middle portion of the first cross link 331 is hinged to the middle portion of the second cross link 332 to form an X-shaped structure, so that the first cross link 331 and the second cross link 332 can rotate relatively, thereby enabling the length adjustment of the whole cross member.
In some embodiments, the first cross link 331 and the second cross link 332 are both of a long plate structure.
In some embodiments, the middle portion of the first cross link 331 and the middle portion of the second cross link 332 are respectively provided with a corresponding hinge hole, and the hinge shaft is riveted in the two hinge holes, so as to realize the hinge connection between the middle portion of the first cross link 331 and the middle portion of the second cross link 332.
The plurality of cross pieces are sequentially hinged end to form the elongated telescopic assembly 33, the plurality of first cross links 331 are parallel to each other, the plurality of second cross links 332 are parallel to each other, and the hinge points at the middle portions of the plurality of cross pieces are positioned on the same straight line, so that the telescopic assembly 33 can perform telescopic action by relative rotation of the first cross links 331 and the second cross links 332, and thus, the length of the whole telescopic assembly 33 can be adjusted.
In some embodiments, the first cross-link 331 end of one cross-member is hinged to the second cross-link 332 end of its adjacent cross-member, and the second cross-link 332 end is hinged to the first cross-link 331 end of its adjacent cross-member, thereby enabling end-to-end connection of multiple cross-members.
In some embodiments, the end of the first cross link 331 and the end of the second cross link 332 are respectively provided with a corresponding hinge hole, and the hinge shaft is riveted in the two hinge holes, so that the end of the first cross link 331 and the end of the second cross link 332 are hinged.
At least one group of adjacent first cross connecting rods 331 and/or adjacent second cross connecting rods 332 are provided, and the end parts of the opposite ends of the adjacent first cross connecting rods 331 and/or the adjacent second cross connecting rods 332 are provided with limiting protrusions 333, that is, as shown in the figure, when the telescopic assembly 33 is extended, the two limiting protrusions 333 of the group are abutted with each other to play a limiting role, so that the telescopic assembly 33 can be smoothly shortened after being extended; as shown in the figure, when the telescopic component 33 is shortened, the limit protrusion 333 on one first cross link 331 of the set abuts against the other first cross link 331, and the limit protrusion 333 on the other first cross link 331 abuts against the first cross link 331, so as to limit the telescopic component 33, and prevent the connected components from colliding due to the too short length of the telescopic component 33.
By the arrangement of the limiting protrusions 333, smooth extension and retraction of the telescopic assembly 33 are guaranteed, and the problem of collision is avoided.
In some embodiments, a restraining protrusion 333 is provided at both an opposite end of the retraction assembly 33 adjacent to the first cross link 331 and an opposite end of the retraction assembly 33 adjacent to the second cross link 332, thereby improving the restraining stability of the retraction assembly 33.
In some embodiments, if the number of cross members is large, the end of the telescoping assembly 33 adjacent to the opposite end of the first cross link 331 or the end of the telescoping assembly 33 adjacent to the opposite end of the second cross link 332 may be provided with a stop protrusion 333, which can save cost while ensuring a stop function for the telescoping assembly 33.
The number of the adjacent first cross links 331 or the adjacent second cross links 332 with the limiting protrusions 333 is set according to actual needs, and is not listed here.
In some embodiments, the limiting protrusion 333 is integrally formed with the cross-link, the limiting protrusion 333 extends from an end of the cross-link, and the extending direction of the limiting protrusion 333 is perpendicular to the length direction of the cross-link.
The telescoping assembly 33 also includes two end members for connecting the support bracket 31.
The end part is hinged at the end part of the plurality of crossed parts which are connected in sequence and comprises a first end connecting rod 334 and a second end connecting rod 335, the first end connecting rod 334 is parallel to the first crossed connecting rod 331, the second end connecting rod 335 is parallel to the second crossed connecting rod 33, one end of the first end connecting rod 334, which is far away from the crossed parts, is hinged with one end of the second end connecting rod 335, which is far away from the crossed parts, and the hinged part is hinged with the supporting frame 31, so that the telescopic device can be arranged between the supporting frames 31 while the telescopic action is ensured.
In some embodiments, one end of the first end link 334 is hinged to one end of its adjacent second cross link 332, and one end of the second end link 335 is hinged to one end of its adjacent first cross link 331, thereby enabling the end piece to be positioned at the end of the plurality of cross pieces after they are connected in series.
In some embodiments, one end of the first end link 334 and one end of the second cross link 332 adjacent thereto are respectively provided with a corresponding hinge hole, and the hinge shaft is riveted in the two hinge holes, so as to realize the hinge connection between the first end link 334 and the second cross link 332.
In some embodiments, the end of the second end link 335 and the end of the first cross link 331 adjacent to the second end link 335 are respectively provided with a corresponding hinge hole, and the hinge shaft is riveted in the two hinge holes, so as to realize the hinge connection between the second end link 335 and the first cross link 331.
In some embodiments, the other end of the first end link 334 and the other end of the second end link 335 are respectively provided with a corresponding hinge hole, and the hinge shaft is riveted in the two hinge holes, so as to realize the hinge connection between the first end link 334 and the second end link 335.
In some embodiments, the end link length is one-half of the cross link length.
In some embodiments, the first end link 334 and the first cross link 331 adjacent thereto are provided with a limiting protrusion 333 at the end of the opposite end, and/or the second end link 335 and the second cross link 332 adjacent thereto are provided with a limiting protrusion 333 at the end of the opposite end, that is, when the telescopic device is extended, the two limiting protrusions 333 abut against each other between the first end link 334 and the second cross link 332 adjacent thereto and/or between the second end link 335 and the second cross link 332 adjacent thereto, so as to perform a limiting function, and ensure that the telescopic device can be smoothly shortened after being extended; when the telescopic device is shortened, the limit projection 333 of the first end connecting rod 334 is abutted on the first cross connecting rod 331, and/or the limit projection 333 of the second end connecting rod 335 is abutted on the second cross connecting rod 332, so that a limit effect is achieved, and the connected components are prevented from being collided due to the fact that the length of the telescopic device is too short.
By the arrangement of the limiting protrusions 333, smooth extension and retraction of the telescopic device are guaranteed, and the problem of collision is avoided.
In some embodiments, if the number of cross members is large, the first end link 334 and the opposite end of the first cross link 331 adjacent thereto or the second end link 335 and the opposite end of the second cross link 332 adjacent thereto in the telescopic device may be provided with the limiting protrusion 333, which can save the cost while ensuring the limiting effect on the telescopic device.
In some embodiments, the limiting protrusion 333 is integrally formed with the end link, the limiting protrusion 333 extends from the end of the end link, and the extending direction of the limiting protrusion 333 is perpendicular to the length direction of the end link.
In some embodiments, the belt conveyor further comprises a connecting rod 10, one end of the connecting rod 10 is hinged with the traction device 2, and the other end is hinged with a supporting frame 31 adjacent to the traction device 2, so as to connect the supporting frame 31 with the traction device 2.
In some embodiments, the belt conveyor further includes a driving roller set 5, the driving roller set 5 is disposed at the head of the belt conveyor, the conveying belt 4 bypasses the driving roller set 5, and the driving roller set 5 is adapted to be connected to a driving member such as a motor, so as to drive the whole belt conveyor to operate, thereby realizing the conveying of the material.
In some embodiments, the belt conveyor further comprises an unloading roller 6 and a tail roller 7, the unloading roller 6 is arranged adjacent to the driving roller set 5 and above the driving roller set 5, the conveyer belt 4 bypasses the unloading roller 6, the tail roller 7 is arranged at one end of the guide rail 1 far away from the unloading roller 6, and the conveyer belt 4 bypasses the tail roller 7. In other words, the unloading roller 6 and the tail roller 7 are respectively positioned at the head end and the tail end of the belt conveyor, and the material can be sent to the conveying belt 4 from one end of the tail roller 7 and is conveyed to one end of the unloading roller 6 through the conveying belt 4 for unloading.
The belt conveyor further comprises a belt storage bin 8, the belt storage bin 8 is arranged between the driving roller set 5 and the traction device 2, a first roller set 81 is arranged in the belt storage bin 8, the conveying belt 4 bypasses the first roller set 81, the conveying belt 4 is stored and released through the first roller set 81 of the belt storage bin 8 while conveying of the conveying belt 4 is guaranteed, and the whole length adjustment of the belt conveying system is guaranteed, wherein the belt storage bin 8 and the first roller set 81 therein are the prior art, and the specific structure and the action principle of the belt conveyor are not repeated herein.
Further, the belt conveyor further comprises a tensioning device 9, the tensioning device 9 is connected with the end rollers of the first roller set 81, and the tensioning device 9 can drive the end rollers of the first roller set 81 to move along the length direction of the guide rail 1 so as to tension the conveying belt 4 and prevent the conveying belt 4 from loosening.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.