CN109625795B - Belt conveyor - Google Patents
Belt conveyor Download PDFInfo
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- CN109625795B CN109625795B CN201910093503.0A CN201910093503A CN109625795B CN 109625795 B CN109625795 B CN 109625795B CN 201910093503 A CN201910093503 A CN 201910093503A CN 109625795 B CN109625795 B CN 109625795B
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- conveying belt
- pinch roller
- sprocket
- wheel
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- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 abstract description 22
- 230000033001 locomotion Effects 0.000 description 16
- 238000010276 construction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000001360 synchronised effect Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/14—Endless driving elements extending parallel to belt or chain
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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
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
-
- 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 present invention provides a belt conveyor comprising: a driving device; the first belt wheel is connected with the driving device and can rotate under the driving of the driving device; the conveying belt is sleeved on the second belt pulley and the first belt pulley, the second belt pulley can rotate under the drive of the first belt pulley and the conveying belt, and the conveying belt is obliquely arranged with the horizontal plane; the auxiliary driving mechanism is arranged between the first belt wheel and the second belt wheel, is contacted with the upper conveying belt and the lower conveying belt of the conveying belt, and can rotate under the driving of the lower conveying belt so as to drive the upper conveying belt to move. The belt conveyor provided by the invention transmits the gravity component force of the lower conveyor belt along the return direction to the upper conveyor belt in a friction mode through the arrangement of the auxiliary driving mechanism, so that the upper conveyor belt is driven to move, the auxiliary driving function is realized, and the self-driving of the belt conveyor is realized.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a belt conveyor.
Background
The belt conveyor is widely applied, including industries such as water conservancy and hydropower, mining, metallurgy and the like, and at present, a short-distance belt conveyor or a long-distance horizontal belt conveyor is widely applied at home and abroad, and for inclined shaft construction, the conventional single-drive mode cannot meet the requirements because of the difficulties of large gradient, large lifting height and long distance, so that a single-machine long-distance belt conveyor usually adopts a mode of increasing intermediate drive and increasing belt strength. However, the traditional intermediate driving device has a complex structure, high equipment cost and very inconvenient operation and maintenance, and particularly in a tunnel, the installation space is very limited, so that the design difficulty of the intermediate driving device is increased, meanwhile, if the intermediate driving device fails, the consequences of shutdown, material accumulation and the like can be caused, and the cost is greatly increased by increasing the strength of the conveying belt.
At present, linear friction driving and magnetic conveyor belt driving are applied, but still cannot meet the requirement of larger driving power, and have certain requirements on installation space, and cannot adapt to the condition that some installation spaces are limited.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art.
To this end, the invention provides a belt conveyor.
The present invention provides a belt conveyor comprising: a driving device; the first belt wheel is connected with the driving device and can rotate under the driving of the driving device; the conveying belt is sleeved on the second belt pulley and the first belt pulley, the second belt pulley can rotate under the drive of the first belt pulley and the conveying belt, and the conveying belt is obliquely arranged with the horizontal plane; the auxiliary driving mechanism is arranged between the first belt wheel and the second belt wheel, is contacted with the upper conveying belt and the lower conveying belt of the conveying belt, and can rotate under the driving of the lower conveying belt so as to drive the upper conveying belt to move.
The auxiliary driving mechanism is arranged between the first belt pulley and the second belt pulley, and is in contact with the upper conveying belt and the lower conveying belt of the conveying belt, so that the gravity component force generated by the lower conveying belt along the return motion direction of the conveying belt is transferred to the upper conveying belt, and the auxiliary driving function is realized. Specifically, the first belt wheel is used as a driving wheel and is connected with the driving device, the second belt wheel is used as a driven wheel, is connected with the first belt wheel through the conveying belt and can rotate under the driving of the first belt wheel and the conveying belt, the first belt wheel is higher than the second belt wheel, so that the conveying belt has a certain angle relative to the horizontal plane, the upper conveying belt of the conveying belt moves from the second belt wheel to the first belt wheel, and the lower conveying belt moves from the first belt wheel to the second belt wheel as a return stroke. In the working process of the belt conveyor, the lower conveying belt can generate a gravity component force along the movement direction of the lower conveying belt, the auxiliary driving mechanism is in contact with the upper conveying belt and the lower conveying belt, and can transmit the component force to the upper conveying belt, so that the auxiliary driving function is realized, the self-driving of the belt conveyor is realized, the energy consumption is effectively reduced, the whole structure of the belt conveyor is simple, the requirement on space structure is lower, the installation is simple and convenient, and the cost is low.
The belt conveyor provided by the invention is provided with the auxiliary driving mechanism, and the gravity component force of the lower conveyor belt along the return direction is transmitted to the upper conveyor belt in a friction mode, so that the upper conveyor belt is driven to move, the driving can be realized in a full mechanical mode without being controlled by a hydraulic electric system, the surrounding environment is not strictly required, and the belt conveyor is suitable for various inclined shaft construction conditions and other inclined belt conveyor conditions; the device has small occupied space, is convenient and flexible, can be arranged at multiple points according to the needs, is well suitable for belt conveyors with different lengths, and can be applied to other mechanisms needing to realize similar functions.
The belt conveyor according to the invention described above may also have the following additional technical features:
In the above technical solution, preferably, the auxiliary driving mechanism includes: the first pinch roller is arranged on the frame of the belt conveyor, is contacted with the lower conveying belt and can rotate under the drive of the lower conveying belt; the second pinch roller is arranged on the frame and is contacted with the upper conveying belt; the transmission assembly is connected with the first pinch roller and the second pinch roller, and the second pinch roller can rotate under the driving of the first pinch roller and the transmission assembly.
In the technical scheme, a first pinch roller is contacted with a lower conveying belt, a second pinch roller is contacted with an upper conveying belt, and the first pinch roller is connected with the second pinch roller through a transmission assembly. In the process of the belt conveyor, the first pinch roller is driven to rotate by the movement of the lower conveying belt, the second pinch roller is driven to rotate by the first pinch roller through the transmission assembly, and the second pinch roller is contacted with the upper conveying belt, so that the second pinch roller provides an auxiliary driving force for the upper conveying belt, and the gravity component force of the lower conveying belt along the return direction is transmitted to the upper conveying belt in a friction mode, so that the auxiliary driving effect is achieved.
In any of the above solutions, preferably, the transmission assembly includes: the first sprocket is arranged on the frame and connected with the first pinch roller; the second sprocket is arranged on the frame, the chain is sleeved on the second sprocket and the first sprocket, the second sprocket is connected with the second pinch roller, and the second sprocket can rotate under the driving of the first sprocket and the chain so as to drive the second pinch roller to rotate.
In the technical scheme, the first sprocket is connected with the first pinch roller, can rotate along with the first pinch roller, the second sprocket is connected with the second pinch roller, can drive the second pinch roller to rotate, and the first sprocket is connected with the second sprocket through a chain. In the working process of the belt conveyor, the first sprocket is driven to rotate by rotation of the first pinch roller, the second sprocket is driven to rotate by the first sprocket through a chain, the second sprocket is connected with the second pinch roller, the second pinch roller is driven to rotate by rotation of the second sprocket, and then the second pinch roller provides an auxiliary driving force for the upper conveying belt, and the gravity component force of the lower conveying belt along the return direction is transmitted to the upper conveying belt in a friction mode to play a role in auxiliary driving.
In any of the foregoing solutions, preferably, the transmission assembly further includes: the first wheel shaft is arranged on the frame, and the first pinch roller and the first sprocket are positioned on the first wheel shaft; the second wheel shaft is arranged on the frame, and the second pinch roller and the second sprocket are positioned on the second wheel shaft.
In the technical scheme, a first wheel shaft and a second wheel shaft are arranged on the frame, wherein a first pinch roller and a first sprocket are arranged on the first wheel shaft, a second pinch roller and a second sprocket are arranged on the second wheel shaft, that is, the first pinch roller and the first sprocket are coaxially arranged, the second pinch roller and the second sprocket are coaxially arranged, synchronous rotation of the first pinch roller and the first sprocket and synchronous rotation of the second pinch roller and the second sprocket can be ensured, force transmission is realized, and synchronous driving of an upper conveying belt is realized.
In any of the above embodiments, preferably, the method further includes: the adjusting mechanism is arranged on the frame, the first wheel axle and the second wheel axle are connected with the adjusting mechanism, the distance between the first wheel axle and the lower conveying belt can be changed under the action of the adjusting mechanism, and the distance between the second wheel axle and the upper conveying belt can be changed under the action of the adjusting mechanism.
In the technical scheme, an adjusting mechanism is arranged on the frame, the first wheel shaft and the second wheel shaft are connected with the adjusting mechanism, the adjusting mechanism can adjust the heights of the first wheel shaft and the second wheel shaft according to the position of the conveying belt, and then the height of the auxiliary driving mechanism is adjusted, so that the tensioning degree between the first pinch roller and the lower conveying belt and the tensioning degree between the second pinch roller and the upper conveying belt are ensured, and then the utilization rate of the gravity component force of the lower conveying belt along the return stroke direction is improved.
In any of the above embodiments, preferably, the adjusting mechanism includes: the mounting frame is fixedly arranged on the frame, and sliding grooves are formed in two sides of the mounting frame; the sliding block is arranged in the sliding groove and can slide in the sliding groove, and the first wheel shaft and the second wheel shaft are respectively arranged on the sliding block.
In this technical scheme, adjustment mechanism includes mounting bracket and slider, wherein, the mounting bracket is fixed to be arranged in the frame, be provided with the spout in the both sides of mounting bracket, and be provided with the slider in the spout, slider and spout looks adaptation, the slider can slide in the spout, guarantee certain flexibility ratio, and first shaft and second shaft are installed on the slider respectively, realize the motion of first shaft and second shaft, drive the motion of the first pinch roller wheel that is located first shaft, and be located the motion of the second pinch roller wheel of second shaft, and then adjust the distance between first shaft and the lower conveyer belt, and the distance between second shaft and the upper conveyer belt.
In any of the foregoing solutions, preferably, the adjusting mechanism further includes: the screw is connected with the sliding block; and the rotating nut is arranged on the screw and used for adjusting the relative position of the screw and the mounting frame, so as to adjust the distance between the first wheel shaft and the lower conveying belt and the distance between the second wheel shaft and the upper conveying belt.
In this technical scheme, adjustment mechanism still includes screw rod and rotation nut, is connected screw rod and slider, and rotation nut sets up on the screw rod to be located the outside of mounting bracket, when needs carry out the adjustment to the position of first shaft and second shaft, can rotate rotation nut, and then drive the screw rod and stretch out or withdraw the mounting bracket, drive the up-and-down motion of slider, because first shaft and second shaft all install in the slider that corresponds, also can realize the synchronous up-and-down motion of first shaft and second shaft.
In any of the above-described aspects, preferably, the number of the first pinch rollers is two; the number of the second pinch rollers is two; the number of transmission assemblies is two.
In this technical scheme, all set up two with first pinch roller, second pinch roller and the drive mechanism of mutually supporting, specifically, be the symmetric distribution in the both sides of conveyer belt axis, and then carry out the transmission of force in two positions, promote auxiliary drive mechanism's driving efficiency.
In any of the above embodiments, preferably, the method further includes: the first carrier roller bracket is arranged on the frame of the belt conveyor; the first carrier roller can be arranged on the first carrier roller bracket in a rolling way and is used for bearing the lower conveying belt.
In this technical scheme, to the inclined shaft construction, because of facing the slope big, promote the high, the long difficulty of distance, the conveyer belt can produce certain crooked because of self gravity for the conveyer belt in middle part obviously descends to form the crooked of certain degree, and then reduces the work efficiency of complete machine, is provided with first bearing roller support in the frame, is provided with scrollable first bearing roller on first bearing roller support, bears the lower conveyer belt through first bearing roller, in order to guarantee the work efficiency of complete machine. Specifically, the first carrier roller support and the first carrier roller are provided in plurality and distributed along the longitudinal direction of the conveying belt.
In any of the above embodiments, preferably, the method further includes: the second carrier roller bracket is arranged on the frame of the belt conveyor; the second carrier roller can be arranged on the second carrier roller bracket in a rolling way and is used for bearing the upper conveying belt.
In this technical scheme, to the inclined shaft construction, because of facing the slope big, promote the high, the long difficulty of distance, the conveyer belt can produce certain crooked because of self gravity for the conveyer belt in middle part obviously descends to form the crooked of certain degree, and then reduces the work efficiency of complete machine, consequently is provided with the second bearing roller support in the frame, is provided with the second bearing roller that can roll on the second bearing roller support, bears the conveyer belt through the second bearing roller, in order to guarantee the work efficiency of complete machine. Specifically, the second carrier roller support and the second carrier roller are provided in plurality and distributed along the longitudinal direction of the conveying belt.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a belt conveyor according to an embodiment of the invention;
FIG. 2 is a schematic diagram of the drive relationship of the belt conveyor of the embodiment of FIG. 1;
FIG. 3 is a schematic diagram of the drive relationship of the belt conveyor of the embodiment of FIG. 1;
FIG. 4 is a schematic view of the structure of the adjusting mechanism in the belt conveyor of the embodiment shown in FIG. 1;
FIG. 5 is a side view of the adjustment structure of the embodiment shown in FIG. 4;
fig. 6 is a cross-sectional view of the adjustment structure of the embodiment of fig. 4 taken along A-A.
The correspondence between the reference numerals and the component names in fig. 1 to 6 is:
The belt conveyor comprises a belt conveyor, 122 first pulleys, 124 second pulleys, 126 upper conveyor belts, 128 lower conveyor belts, 14 auxiliary driving mechanisms, 142 first pinch pulleys, 144 second pinch pulleys, 146 first sprockets, 148 second sprockets, 150 chains, 152 first axles, 154 second axles, 16 adjusting mechanisms, 162 mounting frames, 164 sliding grooves, 166 sliding blocks, 168 screw rods, 170 rotating nuts, 182 first carrier roller brackets, 184 first carrier rollers, 186 second carrier roller brackets, 188 second carrier rollers and 20 frames.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced otherwise than as described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
A belt conveyor 1 provided according to some embodiments of the present invention is described below with reference to fig. 1 to 6.
The present invention provides a belt conveyor 1, as shown in fig. 1, comprising: a driving device; the first belt pulley 122 is connected with the driving device and can rotate under the driving of the driving device; the second belt pulley 124 is sleeved on the second belt pulley 124 and the first belt pulley 122, the second belt pulley 124 can rotate under the drive of the first belt pulley 122 and the belt, and the belt is obliquely arranged with the horizontal plane; the auxiliary driving mechanism 14 is disposed between the first pulley 122 and the second pulley 124, and contacts with the upper conveyor belt 126 and the lower conveyor belt 128 of the conveyor belt, and the auxiliary driving mechanism 14 can rotate under the driving of the lower conveyor belt 128, so as to drive the upper conveyor belt 126 to move.
The belt conveyor 1 provided by the invention is provided with the auxiliary driving mechanism 14 between the first belt pulley 122 and the second belt pulley 124, the auxiliary driving mechanism 14 is in contact with the upper conveying belt 126 and the lower conveying belt 128 of the conveying belt, and further the gravity component force generated by the lower conveying belt 128 along the return movement direction of the conveying belt is transferred to the upper conveying belt 126 so as to play a role of auxiliary driving. Specifically, the first pulley 122 is connected to the driving device as a driving wheel, the second pulley 124 is connected to the first pulley 122 as a driven wheel through a belt, and is rotatable under the driving of the first pulley 122 and the belt, the first pulley 122 is disposed higher than the second pulley 124 so that the belt has an angle with respect to the horizontal plane, wherein the upper belt 126 of the belt moves from the second pulley 124 to the first pulley 122, and the lower belt 128 moves from the first pulley 122 to the second pulley 124 as a return stroke. In the working process of the belt conveyor 1, the lower conveying belt 128 generates a gravity component force along the movement direction of the lower conveying belt 128, the auxiliary driving mechanism 14 is in contact with the upper conveying belt 126 and the lower conveying belt 128, and can transmit the component force to the upper conveying belt 126 to perform an auxiliary driving function, so that the self-driving of the belt conveyor 1 is realized, the energy consumption is effectively reduced, the whole structure of the belt conveyor 1 is simple, the space structure requirement is lower, the installation is simple and convenient, and the cost is low.
The belt conveyor 1 provided by the invention transmits the gravity component force of the lower conveying belt 128 along the return direction to the upper conveying belt 126 in a friction mode through the arrangement of the auxiliary driving mechanism 14, so that the upper conveying belt 126 is driven to move, the driving can be realized through a full mechanical mode, the control of a hydraulic electric system is not needed, the surrounding environment is not strictly required, and the belt conveyor is suitable for various inclined shaft construction conditions and other conditions of the belt conveyor 1 with gradient; the occupied space is small, the device is convenient and flexible, the device can be arranged at multiple points according to the needs, the device is well suitable for belt conveyors 1 with different lengths, and the device can be applied to other mechanisms needing similar functions.
In one embodiment of the present invention, preferably, as shown in fig. 2 and 3, the auxiliary driving mechanism 14 includes: the first pinch roller 142 is disposed on the frame 20 of the belt conveyor 1, contacts the lower conveyor belt 128, and is rotatable under the drive of the lower conveyor belt 128; a second pinch roller 144 disposed on the frame 20 and contacting the upper conveyor belt 126; and a transmission assembly connected to the first pinch roller 142 and the second pinch roller 144, wherein the second pinch roller 144 is rotatable under the driving of the first pinch roller 142 and the transmission assembly.
In this embodiment, the first pinch roller 142 is in contact with the lower conveyor belt 128, the second pinch roller 144 is in contact with the upper conveyor belt 126, and the first pinch roller 142 and the second pinch roller 144 are connected by a transmission assembly. During the operation of the belt conveyor 1, the movement of the lower conveyor belt 128 drives the first pinch roller 142 to rotate, the first pinch roller 142 drives the second pinch roller 144 to rotate through the transmission assembly, and the second pinch roller 144 contacts with the upper conveyor belt 126, so that the second pinch roller 144 provides an auxiliary driving force for the upper conveyor belt 126, and the gravity component force of the lower conveyor belt 128 along the return direction is transmitted to the upper conveyor belt 126 in a friction manner, so as to play a role in auxiliary driving.
In one embodiment of the present invention, preferably, as shown in fig. 1 to 3, the transmission assembly includes: a first sprocket 146 disposed on the frame 20 and connected to the first pinch roller 142; the second sprocket 148 is disposed on the frame 20, the chain 150 is sleeved on the second sprocket 148 and the first sprocket 146, and the second sprocket 148 is connected with the second pinch roller 144, and the second sprocket 148 can rotate under the driving of the first sprocket 146 and the chain 150, so as to drive the second pinch roller 144 to rotate.
In this embodiment, the first sprocket 146 is connected to the first pinch roller 142, and as the first pinch roller 142 rotates, the second sprocket 148 is connected to the second pinch roller 144, and the second pinch roller 144 is driven to rotate, and the first sprocket 146 is connected to the second sprocket 148 through a chain 150. In the process of working of the belt conveyor 1, the rotation of the first pinch roller 142 drives the first sprocket 146 to rotate, the first sprocket 146 can drive the second sprocket 148 to rotate through the chain 150, the second sprocket 148 is connected with the second pinch roller 144, the rotation of the second sprocket 148 drives the second pinch roller 144 to rotate, and then the second pinch roller 144 provides an auxiliary driving force for the upper conveyor belt 126, and the gravity component force of the lower conveyor belt 128 along the return direction is transmitted to the upper conveyor belt 126 in a friction force mode to play a role of auxiliary driving.
In one embodiment of the present invention, preferably, as shown in fig. 2 and 3, the transmission assembly includes a gear further including: a first wheel shaft 152 disposed on the frame 20, and the first pinch roller 142 and the first sprocket 146 are disposed on the first wheel shaft 152; a second wheel shaft 154 provided on the frame 20, and the second pinch roller 144 and the second sprocket 148 are positioned on the second wheel shaft 154.
In this embodiment, the frame 20 is provided with the first axle 152 and the second axle 154, where the first pinch roller 142 and the first sprocket 146 are disposed on the first axle 152, and the second pinch roller 144 and the second sprocket 148 are disposed on the second axle 154, that is, the first pinch roller 142 and the first sprocket 146 are coaxially disposed, and the second pinch roller 144 and the second sprocket 148 are coaxially disposed, so that synchronous rotation of the first pinch roller 142 and the first sprocket 146, and synchronous rotation of the second pinch roller 144 and the second sprocket 148 can be ensured, thereby realizing transmission of force and synchronous driving of the upper conveyor belt 126.
In one embodiment of the present invention, preferably, as shown in fig. 4 to 6, further comprising: the adjusting mechanism 16 is disposed on the frame 20, the first axle 152 and the second axle 154 are connected with the adjusting mechanism 16, the distance between the first axle 152 and the lower conveying belt 128 can be changed under the action of the adjusting mechanism 16, and the distance between the second axle 154 and the upper conveying belt 126 can be changed under the action of the adjusting mechanism 16.
In this embodiment, the frame 20 is provided with an adjusting mechanism 16, and the first axle 152 and the second axle 154 are connected with the adjusting mechanism 16, and the adjusting mechanism 16 can adjust the heights of the first axle 152 and the second axle 154 according to the position of the conveyor belt, so as to adjust the height of the auxiliary driving mechanism 14, so as to ensure the tensioning degree between the first pinch roller 142 and the lower conveyor belt 128 and the tensioning degree between the second pinch roller 144 and the upper conveyor belt 126, and further improve the utilization ratio of the gravity component force of the lower conveyor belt 128 along the return direction.
In one embodiment of the present invention, preferably, as shown in fig. 4 to 6, the adjustment mechanism 16 includes: the mounting frame 162 is fixedly arranged on the frame 20, and sliding grooves 164 are formed in two sides of the mounting frame 162; the sliding block 166 is disposed in the sliding slot 164, and is capable of sliding in the sliding slot 164, and the first axle 152 and the second axle 154 are respectively mounted on the sliding block 166.
In this embodiment, the adjusting mechanism 16 includes a mounting frame 162 and a sliding block 166, wherein the mounting frame 162 is fixedly disposed on the frame 20, sliding grooves 164 are disposed on two sides of the mounting frame 162, and sliding blocks 166 are disposed in the sliding grooves 164, the sliding blocks 166 and the sliding grooves 164 are mutually matched, the sliding blocks 166 can slide in the sliding grooves 164 to ensure a certain flexibility, and the first axle 152 and the second axle 154 are respectively mounted on the sliding blocks 166, so as to realize movement of the first axle 152 and the second axle 154, drive the first pinch roller 142 disposed on the first axle 152 to move, and drive the second pinch roller 144 disposed on the second axle 154 to move, thereby adjusting the distance between the first axle 152 and the lower conveying belt 128, and the distance between the second axle 154 and the upper conveying belt 126.
In one embodiment of the present invention, preferably, as shown in fig. 4 to 6, the adjustment mechanism 16 further includes: a screw 168 connected to the slider 166; the rotating nut 170 is disposed on the screw 168, and is used for adjusting the relative position of the screw 168 and the mounting frame 162, so as to adjust the distance between the first axle 152 and the lower conveyor belt 128, and the distance between the second axle 154 and the upper conveyor belt 126.
In this embodiment, the adjusting mechanism 16 further includes a screw 168 and a rotation nut 170, the screw 168 is connected with the slider 166, the rotation nut 170 is disposed on the screw 168 and is located at the outer side of the mounting frame 162, when the positions of the first axle 152 and the second axle 154 need to be adjusted, the rotation nut 170 can be rotated, and then the screw 168 is driven to extend or retract into the mounting frame 162 to drive the slider 166 to move up and down, and because the first axle 152 and the second axle 154 are both installed in the corresponding slider 166, the synchronous up and down movement of the first axle 152 and the second axle 154 can be also realized.
In one embodiment of the present invention, preferably, as shown in fig. 2 and 3, the number of the first pinch rollers 142 is two; the number of the second pinch rollers 144 is two; the number of transmission assemblies is two.
In this embodiment, two first pinch rollers 142, two second pinch rollers 144 and two transmission mechanisms are respectively disposed, and specifically, the first pinch rollers, the second pinch rollers and the transmission mechanisms are symmetrically disposed on two sides of the conveyor belt axis, so that force is transmitted at two positions, and driving efficiency of the auxiliary driving mechanism 14 is improved.
In one embodiment of the present invention, preferably, as shown in fig. 1 to 3, further comprising: a first idler bracket 182 provided on the frame 20 of the belt conveyor 1; the first idler 184 is configured to be capable of rolling on the first idler bracket 182 and is used for carrying the lower conveyer belt 128.
In this embodiment, for the inclined shaft construction, due to the difficulty of large gradient, large lifting height and long distance, the conveying belt can generate certain bending due to self gravity, so that the conveying belt in the middle part obviously descends to form certain bending, and further the working efficiency of the whole machine is reduced, therefore, the first carrier roller bracket 182 is arranged on the frame 20, the first carrier roller 184 capable of rolling is arranged on the first carrier roller bracket 182, and the lower conveying belt 128 is borne by the first carrier roller 184, so that the working efficiency of the whole machine is ensured. Specifically, the first idler brackets 182 and the first idler 184 are provided in plurality and distributed along the longitudinal direction of the conveyor belt.
In one embodiment of the present invention, preferably, as shown in fig. 1 to 3, further comprising: a second idler bracket 186 arranged on the frame 20 of the belt conveyor 1; the second idler 188 is rollably disposed on the second idler bracket 186 and is used for carrying the upper conveyer 126.
In this embodiment, for the construction of the inclined shaft, the conveying belt can generate certain bending due to the gravity of the conveying belt due to the difficulty of large gradient, large lifting height and long distance, so that the conveying belt in the middle part obviously descends to form certain bending, and further the working efficiency of the whole machine is reduced, therefore, the second carrier roller bracket 186 is arranged on the frame 20, the second carrier roller 188 capable of rolling is arranged on the second carrier roller bracket 186, and the conveying belt 126 is borne by the second carrier roller 188, so that the working efficiency of the whole machine is ensured. Specifically, the second idler brackets 186 and the second idler brackets 188 are provided in plurality and distributed along the longitudinal direction of the conveyor belt.
In a specific embodiment, the belt conveyor 1 provided by the invention is applied to inclined shaft operation, an auxiliary driving mechanism 14 is arranged between the upper conveying belt 126 and the lower conveying belt 128, wherein the first pinch roller 142 and the first sprocket 146 are coaxially arranged on the frame 20 through a first axle 152, the first pinch roller 142 can drive the first sprocket 146 to synchronously rotate, the second pinch roller 144 and the second sprocket 148 are coaxially arranged on the frame 20 through a second axle 154, the second sprocket 148 can drive the second pinch roller 144 to synchronously rotate, and the first sprocket 146 and the second chain are driven through a chain 150, in particular, the first sprocket 122 is higher than the second sprocket 124, so that the conveying belt has a certain angle relative to the horizontal plane. In the process of working the belt conveyor 1, the lower conveying belt 128 generates a gravity component along the movement direction of the lower conveying belt 128, so that an auxiliary driving mechanism 14 is arranged between the upper conveying belt 126 and the lower conveying belt 128, the movement of the lower conveying belt 128 drives the first pinch roller 142 to rotate, the rotation of the first pinch roller 142 drives the first chain wheel 146 to rotate, the first chain wheel 146 drives the second chain wheel 148 to rotate through the chain 150, the rotation of the second chain wheel 148 drives the second pinch roller 144 to rotate, and the second pinch roller 144 is connected with the upper conveying belt 126, so that the gravity component of the lower conveying belt 128 along the return direction can be transmitted to the upper conveying belt 126 in the form of friction force to play a role of auxiliary driving; further, the first axle 152 and the second axle 154 are connected with the sliding blocks 166 of the adjusting mechanism 16, the sliding blocks 166 are positioned in the sliding grooves 164 at two sides of the mounting frame 162 of the adjusting mechanism 16 and are connected with the screw rods 168, the screw rods 168 can extend or retract into the mounting frame 162 under the action of the adjusting nuts to drive the sliding blocks 166 to move up and down so as to realize synchronous up and down movement of the first axle 152 and the second axle 154, and further adjust the distance between the first axle 152 and the lower conveying belt 128 and the distance between the second axle 154 and the upper conveying belt 126, so that the tensioning degree between the first axle 152 and the lower conveying belt 128 and the tensioning degree between the second axle 154 and the upper conveying belt 126 are ensured; further, for inclined shaft construction, due to the difficulty of large gradient, large lifting height and long distance, the conveying belt can generate certain bending due to self gravity, so that the first carrier roller bracket 182 is arranged on the frame 20, the first carrier roller 184 capable of rolling is arranged on the first carrier roller bracket 182, the lower conveying belt 128 is borne by the first carrier roller 184, the second carrier roller bracket 186 is arranged on the frame 20, the second carrier roller 188 capable of rolling is arranged on the second carrier roller bracket 186, the upper conveying belt 126 is borne by the second carrier roller 188, and the working efficiency of the whole machine is ensured.
The invention utilizes the gravity component force of the lower conveyer belt 128 along the conveyer belt return running direction provided by the slope of the inclined shaft, drives the first pinch roller 142 and the second pinch roller 148 to rotate, drives the second pinch roller 148 and the second pinch roller 144 to rotate through the chain 150, and transmits the gravity component force to the upper conveyer belt 126 in a friction mode, thereby driving the upper conveyer belt 126 to move and reducing the conveyer belt tension at the position, and meanwhile, the invention is provided with the adjusting mechanism 16, and the height of the auxiliary driving mechanism 14 can be adjusted according to the position of the conveyer belt; the mechanical safety is firm, and the transmission process is not easy to fail; the driving can be realized in a full mechanical mode without being controlled by a hydraulic electric system, the surrounding environment is not strictly required, and the hydraulic electric system is suitable for various inclined shaft construction conditions and other conditions of the belt conveyor 1 with gradient; the occupied space is small, the device is convenient and flexible, the device can be arranged at multiple points according to the needs, the device is well suitable for belt conveyors 1 with different lengths, and the device can be applied to other mechanisms needing similar functions.
In the description of the present invention, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. 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 specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular 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 invention. In this specification, schematic representations of the above terms do not necessarily 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.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A belt conveyor, comprising:
A driving device;
the first belt wheel is connected with the driving device and can rotate under the driving of the driving device;
the second belt wheel is sleeved on the second belt wheel and the first belt wheel, the second belt wheel can rotate under the drive of the first belt wheel and the conveying belt, and the conveying belt is obliquely arranged with a horizontal plane;
The auxiliary driving mechanism is arranged between the first belt wheel and the second belt wheel, is in contact with the upper conveying belt and the lower conveying belt of the conveying belt, and can rotate under the driving of the lower conveying belt so as to drive the upper conveying belt to move;
The auxiliary drive mechanism includes:
the first pinch roller is arranged on the frame of the belt conveyor, is contacted with the lower conveying belt and can rotate under the drive of the lower conveying belt;
the second pinch roller is arranged on the frame and is contacted with the upper conveying belt;
the transmission assembly is connected with the first pinch roller and the second pinch roller, and the second pinch roller can rotate under the drive of the first pinch roller and the transmission assembly;
the transmission assembly comprises a first sprocket and a second sprocket;
the first sprocket is arranged on the frame and connected with the first pinch roller;
The second sprocket set up in the frame, the chain cover is established the second sprocket with on the first sprocket, just the second sprocket with the second pinch roller is connected, the second sprocket can be in the first sprocket reaches the drive of chain is rotated, and then drives the second pinch roller rotates.
2. The belt conveyor of claim 1, wherein the drive assembly comprises further comprises:
the first wheel shaft is arranged on the frame, and the first pinch roller and the first sprocket are positioned on the first wheel shaft;
the second wheel shaft is arranged on the frame, and the second pinch roller and the second sprocket are positioned on the second wheel shaft.
3. The belt conveyor of claim 2, further comprising:
The adjusting mechanism is arranged on the frame, the first wheel axle and the second wheel axle are connected with the adjusting mechanism, the distance between the first wheel axle and the lower conveying belt can be changed under the action of the adjusting mechanism, and the distance between the second wheel axle and the upper conveying belt can be changed under the action of the adjusting mechanism.
4. A belt conveyor as in claim 3 wherein the adjustment mechanism comprises:
The mounting frame is fixedly arranged on the frame, and sliding grooves are formed in two sides of the mounting frame;
the sliding block is arranged in the sliding groove, can slide in the sliding groove, and the first wheel shaft and the second wheel shaft are respectively arranged on the sliding block.
5. The belt conveyor of claim 4, wherein the adjustment mechanism further comprises:
The screw rod is connected with the sliding block;
and the rotating nut is arranged on the screw rod and used for adjusting the relative position of the screw rod and the mounting frame, so as to adjust the distance between the first wheel axle and the lower conveying belt and the distance between the second wheel axle and the upper conveying belt.
6. Belt conveyor according to any one of claims 1 to 5, characterized in that,
The number of the first pinch rollers is two;
The number of the second pinch rollers is two;
The number of the transmission components is two.
7. The belt conveyor of any one of claims 1 to 5, further comprising:
The first carrier roller bracket is arranged on the frame of the belt conveyor;
the first carrier roller can be arranged on the first carrier roller bracket in a rolling way and is used for bearing the lower conveying belt.
8. The belt conveyor of any one of claims 1 to 5, further comprising:
The second carrier roller bracket is arranged on the frame of the belt conveyor;
The second carrier roller is arranged on the second carrier roller bracket in a rolling way and is used for bearing the upper conveying belt.
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| CN201910093503.0A CN109625795B (en) | 2019-01-30 | 2019-01-30 | Belt conveyor |
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| CN201910093503.0A CN109625795B (en) | 2019-01-30 | 2019-01-30 | Belt conveyor |
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| CN201910093503.0A Active CN109625795B (en) | 2019-01-30 | 2019-01-30 | Belt conveyor |
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