CN209796660U - Belt feeder with prevent function of skidding - Google Patents
Belt feeder with prevent function of skidding Download PDFInfo
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- CN209796660U CN209796660U CN201920614922.XU CN201920614922U CN209796660U CN 209796660 U CN209796660 U CN 209796660U CN 201920614922 U CN201920614922 U CN 201920614922U CN 209796660 U CN209796660 U CN 209796660U
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Abstract
The utility model belongs to the technical field of belt conveying, and discloses a belt conveyor with anti-slip function, which comprises a belt slip detection mechanism, a belt tensioning mechanism and a controller, wherein the belt slip detection mechanism is in communication connection with the controller; the belt tensioning mechanism comprises an installation platform, a screw rod movable body, a follower wheel, a stepping motor and a first ball bearing, the screw rod movable body is movably sleeved on the screw rod, the screw rod is installed on the installation platform through the first ball bearing, the stepping motor is in transmission connection with the screw rod through a gear assembly, the follower wheel is installed on the screw rod movable body through a second ball bearing, a limiting block is arranged on the side surface of the screw rod movable body, which faces away from the follower wheel, a fixing plate is arranged on the installation platform, a limiting groove is arranged on the fixing plate, the limiting block and the limiting groove are matched with each other to limit the screw rod movable body to rotate in the lifting process, and the follower; the controller is in communication connection with the stepping motor. The utility model discloses after the trouble of skidding takes place, can be automatic timely with the belt tensioning.
Description
Technical Field
the utility model relates to a belt drive technical field, concretely relates to belt feeder with prevent function of skidding.
background
Belt conveyor system is by extensive application in the production life, the belt feeder is in the use, because the influence of factors such as self friction and environment, material flow, the trouble of skidding can not be avoided, when taking place the trouble of skidding, the power wheel is in idle running state, if the staff fails timely discovery belt feeder and takes place the trouble of skidding, under the high-speed moving's of power wheel condition, the belt breaks because the friction takes place very easily, not only can influence the normal operating of belt feeder, still there is great potential safety hazard, harm staff's personal safety.
Although traditional belt feeder is equipped with the belt detection mechanism that skids, can detect the running state of belt, nevertheless after taking place the trouble of skidding, need the manual work to stop the belt feeder, then go to adjust the distance from driving wheel and action wheel through the manual work, and then make the belt tensioning, solve the trouble of skidding. But this kind of solution need rely on artifical the regulation, not only wastes time and energy, still need stop the belt feeder completely simultaneously, great influence mill production efficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the current belt feeder needs the manual work to adjust the existing waste time and energy and influence the production efficiency of mill after the trouble of skidding takes place, the utility model aims to provide a can real-time supervision belt running state to after the trouble of skidding takes place, can be automatic timely with the belt feeder that has the function of preventing skidding of belt tensioning.
the utility model discloses the technical scheme who adopts does:
A belt conveyor with an anti-slip function comprises a driving wheel and a driven wheel, wherein the driving wheel is connected with the driven wheel through belt transmission;
The belt tensioning mechanism comprises an installation platform, a screw rod movable body, a follower wheel, a stepping motor and a first ball bearing, wherein the screw rod movable body is movably sleeved on the screw rod in a matched mode, the first ball bearing is embedded in the top surface of the installation platform, the bottom of the screw rod penetrates through an inner ring of the first ball bearing and forms interference fit with the inner ring of the first ball bearing, and an output shaft of the stepping motor is in transmission connection with the screw rod through a gear assembly;
A second ball bearing is embedded in the side wall of the screw rod flexible, an inner ring of the second ball bearing is sleeved on the periphery of the rotating shaft of the follower wheel in an interference fit manner, a limiting block is arranged on the side surface of the screw rod flexible, which is back to the follower wheel, a fixing plate is vertically arranged on the top surface of the mounting table, a limiting groove matched with the limiting block is vertically arranged on the fixing plate, the limiting block and the limiting groove are matched with each other to limit the screw rod flexible to rotate in the lifting process, and the follower wheel is driven by the screw rod flexible to contact and press the belt;
And the output end of the controller is in communication connection with the controlled end of the stepping motor.
The optimized motor driving wheel assembly further comprises a U-shaped frame, mounting holes are formed in the vertical portion of the U-shaped frame respectively, third ball bearings are arranged in the mounting holes, and inner rings of the third ball bearings are sleeved on the peripheries of the rotating shafts on the corresponding sides of the driven wheels in an interference fit mode.
Further preferably, the belt slip detection mechanism includes an induction iron sheet and a proximity switch, wherein the induction iron sheet is located on the end circular surface of the driven wheel, the proximity switch is located on the inner side wall surface of the U-shaped frame (14), the wall surface where the proximity switch is located is opposite to the circular surface where the induction iron sheet is located, and the proximity switch is in communication connection with the input end of the controller).
Specifically, the number of the induction iron sheets is 4, and the induction iron sheets are annularly arranged on the end circular surface of the driven wheel at equal intervals.
Specifically, the vertical distance between the circular surface where the induction iron sheet is located and the wall surface where the proximity switch is located is between 3mm and 6 mm.
Preferably, the gear assembly comprises a first gear and a second gear which are meshed with each other, wherein an output shaft of the stepping motor is connected with the first gear, a bottom shaft of the screw rod is connected with the second gear, and the stepping motor drives the screw rod to rotate through the first gear and the second gear which are meshed with each other.
Preferably, the upper end and the lower end of the limiting groove are both provided with limiting baffles.
The utility model has the advantages that:
(1) The utility model relates to a belt feeder with prevent function of skidding, the utility model discloses be equipped with belt slip detection mechanism and belt straining device, belt slip detection mechanism can the real-time supervision belt feeder the belt running state to real-time transmission gives the controller, and belt straining device can be under the control of controller, when the belt feeder takes place to skid the trouble, timely with the belt tensioning, prevent the action wheel idle running, rub the belt always and cause the cracked problem of belt. The utility model discloses when the belt feeder takes place to skid the trouble, the control step motor work that the controller can be timely, it is rotatory through gear assembly drive lead screw, because the lead screw is nimble to pass through stopper sliding connection in the spacing inslot, so, the lead screw is when rotating, and the lead screw is nimble can not rotate thereupon, and still can be through the screw thread on the lead screw along the lead screw downstream, and then makes the follow-up pulley compress tightly the belt, increases the belt and follow the frictional force between driving wheel and action wheel, overcomes the trouble of skidding. Therefore, the utility model discloses when taking place the trouble of skidding, need not to stop the belt feeder, also need not to use artifical the solution, avoided traditional belt feeder to solve the problem that the trouble of skidding exists wastes time and energy and influence production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model provides a structural schematic diagram of belt feeder with prevent function of skidding.
fig. 2 is a schematic structural diagram of the screw rod provided by the present invention.
Fig. 3 is a schematic structural view of the screw rod flexibility provided by the present invention.
Fig. 4 is a schematic structural diagram of a fixing plate provided by the present invention.
Fig. 5 is a schematic structural diagram of a U-shaped frame provided by the present invention.
In the above figures, 1-the drive wheel; 2-driven wheel; 3-a controller; 4-mounting a table; 5-a screw rod; 6-the lead screw is flexible; 7-a follower wheel; 8-a stepper motor; 9-a first ball bearing; 10-a second ball bearing; 11-a limiting block; 12-a fixing plate; 13-a limiting groove; 14-U-shaped frame; 15-mounting holes; 16-a third ball bearing; 17-induction iron sheet; 18-a proximity switch; 19-a first gear; 20-a second gear; 21-limiting baffle.
Detailed Description
the invention will be further elucidated with reference to the embodiments described hereinafter. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
Example one
As shown in fig. 1-5, the belt feeder with anti-skidding function that this embodiment provided includes action wheel 1 and follows driving wheel 2, action wheel 1 passes through belt transmission and connects follow driving wheel 2, still includes belt skidding detection mechanism, belt tensioning mechanism and controller 3, wherein, belt skidding detection mechanism's output communication connection the input of controller 3.
The belt tensioning mechanism comprises an installation table 4, a screw rod 5, a screw rod movable body 6, a follow-up wheel 7, a stepping motor 8 and a first ball bearing 9, wherein the screw rod movable body 6 is movably sleeved on the screw rod 5 in a matched mode, the first ball bearing 9 is embedded in the top surface of the installation table 4, the bottom of the screw rod 5 penetrates through an inner ring of the first ball bearing 9 and forms interference fit with the inner ring of the first ball bearing 9, and an output shaft of the stepping motor 8 is in transmission connection with the screw rod 5 through a gear assembly.
The side wall of the screw rod movable body 6 is embedded with a second ball bearing 10, the inner ring of the second ball bearing 10 is sleeved on the periphery of a rotating shaft of the follower wheel 7 in an interference fit manner, a limit block 11 is arranged on the side surface of the screw rod movable body 6, which is back to the follower wheel 7, a fixed plate 12 is vertically arranged on the top surface of the mounting table 4, a limit groove 13 matched with the limit block 11 is vertically arranged on the fixed plate 12, the limit block 11 and the limit groove 13 are matched with each other to limit the screw rod movable body 6 to rotate in the lifting process, and the follower wheel 7 is driven by the screw rod movable body 6 to contact and compress the belt.
The output end of the controller 3 is in communication connection with the controlled end of the stepping motor 8.
As shown in fig. 1 to 4, the following describes a specific structure of the belt conveyor with the anti-slip function:
The driving wheel 1 is used as a power wheel of the whole belt conveyor, and the driving wheel 1 is connected with the driven wheel 2 through belt transmission so as to drive the driven wheel 2 to rotate;
The belt detection mechanism that skids is arranged in detecting the belt in the belt feeder whether take place the trouble of skidding, and the process of realization is: the belt slip detection mechanism monitors the running state of the belt conveyor in real time and transmits the running state to the controller 3 in real time, the controller 3 judges according to the transmitted data, and when the data are judged to be abnormal, the slip fault of the belt conveyor is indicated.
The belt tensioning mechanism is used for tensioning a belt when the belt conveyor has a slip fault, so that the belt conveyor is prevented from slipping, the driving wheel 1 and the driven wheel 2 are idle, particularly the driving wheel 1 is idle, and severe friction is transmitted with the belt, so that the belt is broken, the production of a factory is influenced, and safety accidents are caused.
When the belt slip detection mechanism detects that the belt feeder takes place the trouble of skidding, controller 3 can control step motor 8 work immediately, step motor 8 passes through gear assembly drive lead screw 5 and rotates, because be equipped with lead screw liveness 6 on the lead screw 5, and the connection of lead screw liveness 6 and lead screw 5 is threaded connection, so, when lead screw 5 rotates, can drive lead screw liveness 6 and rotate, however, because be equipped with stopper 11 on lead screw liveness 6, and stopper 11 sliding connection is in the spacing groove 13 on fixed plate 12, so, lead screw liveness 6 can not rotate along with lead screw 5 because stopper 11 and spacing groove 13's effect, when lead screw 5 rotates, lead screw liveness 6 only can reciprocate along lead screw 5 through the screw thread, also make stopper 11 remove in spacing groove 13, make stopper 11 prevent lead screw liveness 6 to rotate through spacing groove 13 always.
in the present embodiment, the screw 5 and the screw activator 6 are both existing devices.
In the present embodiment, the inner ring of the first ball bearing 9 is fitted on the bottom of the screw 5 in an interference fit manner, so that the screw 5 is fixed in the vertical direction and the rotation of the screw 5 is not hindered. The side wall of the screw rod movable body 6 is also provided with a second ball bearing 10, and the rotating shaft of the follower wheel 7 is rotatably connected with the second ball bearing 10, so that the follower wheel 7 can rotate in the second ball bearing 10.
When the belt feeder did not take place the trouble of skidding, lead screw animation 6 is located the top of belt, when the belt feeder took place the trouble of skidding, lead screw 5 rotated under step motor 8's drive, lead screw animation 6 can be followed lead screw 5 downstream, and then drive follower wheel 7 downstream, at the in-process that moves down, follower wheel 7 can contact with the belt, and under lead screw animation 6's drive, compress tightly the belt, increase belt and action wheel 1 and from the frictional force between the driving wheel 2, and then overcome the trouble of skidding, avoid appearing action wheel 1 and from the idle running of driving wheel 2, take place violent friction with the belt, lead to the cracked problem of belt. After the controller 3 judges that the data transmitted by the belt slip detection mechanism are recovered to be normal, the stepping motor 8 can be immediately controlled to stop working, so that the screw rod 5 stops rotating, and finally the follow-up wheel 7 is fixed, so that the belt is compressed, and the normal work of the belt conveyor is ensured.
In this embodiment, the controller 3 is a PLC.
In conclusion, through the description of the belt conveyor with the anti-slip function: the running state of the belt can be monitored in real time through the belt slipping detection mechanism, the running state of the belt can be monitored in real time, the controller 3 is transmitted into the controller 3 in real time to judge, when slipping faults occur, the controller 3 can control the stepping motor 8 to drive the screw rod 5 to rotate, the screw rod movable body 6 moves downwards, the follow-up wheel 7 finally moves downwards to compress the belt, friction force between the belt and the driving wheel 1 and between the belt and the driven wheel 2 is increased, slipping faults are overcome, and normal running of the belt conveyor is guaranteed. Through the above design, make this belt feeder can be automatic when taking place the trouble of skidding compress tightly the belt, solve the trouble of skidding, do not need manual operation, also need not to stop the belt feeder, improved the convenience and the efficiency nature of trouble solution, avoided traditional belt feeder to solve the problem that the trouble of skidding exists wastes time and energy and influence production efficiency.
Preferably, the device also comprises a U-shaped frame 14, wherein mounting holes 15 are respectively formed in the vertical parts of the U-shaped frame 14, third ball bearings 16 are arranged in the mounting holes 15, and inner rings of the third ball bearings 16 are sleeved on the peripheries of the rotating shafts on the corresponding sides of the driven wheels 2 in an interference fit manner.
Further preferably, the belt slip detection mechanism comprises an induction iron sheet 17 and a proximity switch 18, wherein the induction iron sheet 17 is located on the end circular surface of the driven wheel 2, the proximity switch 18 is located on the inner side wall surface of the U-shaped frame 14, the wall surface where the proximity switch 18 is located is opposite to the circular surface where the induction iron sheet 17 is located, and the proximity switch 18 is in communication connection with the input end of the controller 3.
Specifically, the number of the induction iron pieces 17 is 4, and the induction iron pieces are circumferentially arranged on the end circular surface of the driven wheel 2 at equal intervals.
Specifically, the vertical distance between the circular surface of the induction iron sheet 17 and the wall surface of the proximity switch 18 is between 3mm and 6 mm.
As shown in fig. 1 and 5, the following description of a specific mounting structure of the belt slip detecting mechanism is made:
The belt detection mechanism that skids comprises response iron sheet 17 and proximity switch 18, response iron sheet 17 is installed on the tip disc from driving wheel 2, proximity switch 18 is installed on the inside wall face of U type frame 14, therefore, when rotating from driving wheel 2, response iron sheet 17 also can rotate thereupon, and can be close to proximity switch 18, thereby be sensed by proximity switch 18, produce the signal, and with signal real-time transmission to controller 3, response iron sheet 17 is every through proximity switch 18 once all can produce a signal, all can transmit to controller 3 and judge.
The proximity switch 18 is a conventional device, and is a position switch that does not need to be mechanically and directly contacted with a moving part, and the switch can be operated when the sensing surface of the proximity switch of an object reaches an action distance, so that a direct current electric appliance is driven or a control instruction is provided for a computer (PLC) device, and belt slippage detection is performed by using the mutual cooperation of the proximity switch 18 and the sensing iron sheet 17.
The working principle of the belt slip detection mechanism is as follows:
After the proximity switch 18 is powered on, a coil in an oscillating circuit in the switch can generate a high-frequency magnetic field, when a metal target (namely, the induction iron sheet 17) approaches the magnetic field, an induction current (eddy current) is generated in the metal target (namely, the induction iron sheet 17) by the electromagnetic induction principle, and the induction current is increased along with the approach of the target to the proximity switch 18, so that the load in the oscillating circuit is increased, the oscillation is weakened until the oscillation is stopped, and a detection signal is output; when the metal object (i.e., the inductive iron piece 17) leaves the proximity switch 18, the detection signal output by the proximity switch 18 disappears, and the oscillation circuit returns to the initial state.
since the inductive iron sheet 17 is arranged on the driven wheel 2 and rotates with the driven wheel 2, the signal output by the proximity switch 18 is a periodic cyclic pulse, and the time of high and low level cyclic is equal. When the belt conveyor sends a slip fault, the time for the driven wheel 2 to rotate for one circle is prolonged, so that the time for the high and low levels in the output signal of the proximity switch 18 is correspondingly changed, and when the time for the cycle pulse period is changed, the controller 3 can judge that the belt conveyor has the slip fault.
in this embodiment, the number of the sensing iron sheets 17 is 4, and the sensing iron sheets are circumferentially arranged on the end circular surface of the driven wheel 2 at equal intervals, so that the proximity switch 18 senses 4 times by designing the driven wheel 2 to rotate one circle, and 4 signals are output. Therefore, in this embodiment, the controller 3 determines that a large period is formed by 4 high and low levels, that is, if the time of the 4 small periods is the same, the belt conveyor works normally, and if the time of the 4 small periods is different, the belt conveyor slips.
In the present embodiment, the reason for limiting the vertical distance between the circular surface of the sensing iron piece 17 and the wall surface of the proximity switch 18 is as follows: the induction of the proximity switch 18 and the induction iron sheet 17 is more accurate, and the detection result is more reliable.
preferably, the gear assembly comprises a first gear 19 and a second gear 20 which are meshed with each other, wherein an output shaft of the stepping motor 8 is connected with the first gear 19, a bottom shaft of the lead screw 5 is connected with the second gear 20, and the stepping motor 8 drives the lead screw 5 to rotate through the first gear 19 and the second gear 20 which are meshed with each other. Through setting up the power of gear assembly transmission step motor 8, can make step motor 8's transmission efficiency higher, and can alleviate the rotation load, realize steady transmission, increase lead screw 5's life, improve the reliability that whole belt feeder used.
Preferably, the upper end and the lower end of the limit groove 13 are both provided with limit baffles 21. Through the design, the limiting block 11 can be prevented from sliding out of the limiting groove 13 and losing the effect of limiting the rotation of the lead screw movable body 6, and the working reliability of the belt tensioning mechanism is further improved.
To sum up, the utility model provides a belt feeder with prevent function of skidding has following technological effect:
(1) The utility model relates to a belt feeder with prevent function of skidding, the utility model discloses be equipped with belt slip detection mechanism and belt straining device, belt slip detection mechanism can the real-time supervision belt feeder the belt running state to real-time transmission gives controller 3, and belt straining device can be under controller 3's control, when the belt feeder takes place to skid the trouble, timely with the belt tensioning, prevent 1 idle running of action wheel, rub the belt always and cause cracked problem. The utility model discloses when the belt feeder takes place to skid the trouble, 8 work of control step motor that controller 3 can be timely, it is rotatory through gear assembly drive lead screw 5, because lead screw liveliness 6 is in spacing groove 13 through stopper 11 sliding connection, so, lead screw 5 is when rotating, lead screw liveliness 6 can not rotate thereupon, and still can follow lead screw 5 downstream through the screw thread on the lead screw 5, and then make follow-up wheel 7 compress tightly the belt, increase belt and from the frictional force between 2 and action wheel 1, overcome the trouble of skidding. Therefore, the utility model discloses when taking place the trouble of skidding, need not to stop the belt feeder, also need not to use artifical the solution, avoided traditional belt feeder to solve the problem that the trouble of skidding exists wastes time and energy and influence production efficiency.
the present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a belt feeder with prevent function of skidding, includes action wheel (1) and follows driving wheel (2), action wheel (1) is connected through belt transmission follow driving wheel (2), its characterized in that: the belt tension device is characterized by further comprising a belt slip detection mechanism, a belt tensioning mechanism and a controller (3), wherein the output end of the belt slip detection mechanism is in communication connection with the input end of the controller (3);
The belt tensioning mechanism comprises a mounting table (4), a screw rod (5), a screw rod movable body (6), a follower wheel (7), a stepping motor (8) and a first ball bearing (9), wherein the screw rod movable body (6) is movably sleeved on the screw rod (5) in a matched mode, the first ball bearing (9) is embedded in the top surface of the mounting table (4), the bottom of the screw rod (5) penetrates through an inner ring of the first ball bearing (9) and forms interference fit with the inner ring of the first ball bearing (9), and an output shaft of the stepping motor (8) is in transmission connection with the screw rod (5) through a gear assembly;
A second ball bearing (10) is embedded in the side wall of the screw rod flexible (6), an inner ring of the second ball bearing (10) is sleeved on the periphery of a rotating shaft of the follower wheel (7) in an interference fit manner, a limiting block (11) is arranged on the side surface of the screw rod flexible (6) back to the follower wheel (7), a fixing plate (12) is vertically arranged on the top surface of the mounting table (4), a limiting groove (13) matched with the limiting block (11) is vertically arranged on the fixing plate (12), the limiting block (11) and the limiting groove (13) are matched with each other to limit the screw rod flexible (6) to rotate in the lifting process, and the follower wheel (7) is driven by the screw rod flexible (6) to contact and press the belt;
And the output end of the controller (3) is in communication connection with the controlled end of the stepping motor (8).
2. the belt conveyor with the anti-slip function according to claim 1, characterized in that: still include U type frame (14), be equipped with mounting hole (15) respectively in the vertical portion of U type frame (14), be equipped with third ball bearing (16) in mounting hole (15), the cover of the inner ring interference fit of third ball bearing (16) is in follow the periphery that driving wheel (2) correspond the side pivot.
3. the belt conveyor with the anti-slip function according to claim 2, characterized in that: the belt slip detection mechanism comprises an induction iron sheet (17) and a proximity switch (18), wherein the induction iron sheet (17) is located on the end circular face of the driven wheel (2), the proximity switch (18) is located on the inner side wall face of the U-shaped frame (14), the position wall face of the proximity switch (18) is opposite to the position circular face of the induction iron sheet (17), and the proximity switch (18) is in communication connection with the input end of the controller (3).
4. The belt conveyor with the anti-slip function according to claim 3, characterized in that: the number of the induction iron sheets (17) is 4, and the induction iron sheets are annularly and equidistantly arranged on the end circular surface of the driven wheel (2).
5. The belt conveyor with the anti-slip function according to claim 3, characterized in that: the vertical distance between the circular surface of the induction iron sheet (17) and the wall surface of the proximity switch (18) is between 3mm and 6 mm.
6. The belt conveyor with the anti-slip function according to claim 1, characterized in that: the gear assembly comprises a first gear (19) and a second gear (20) which are meshed with each other, wherein an output shaft of the stepping motor (8) is connected with the first gear (19), a bottom end shaft of the screw rod (5) is connected with the second gear (20), and the stepping motor (8) drives the screw rod (5) to rotate through the first gear (19) and the second gear (20) which are meshed with each other.
7. The belt conveyor with the anti-slip function according to claim 1, characterized in that: and the upper end and the lower end of the limiting groove (13) are provided with limiting baffles (21).
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CN201920614922.XU CN209796660U (en) | 2019-04-29 | 2019-04-29 | Belt feeder with prevent function of skidding |
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CN201920614922.XU CN209796660U (en) | 2019-04-29 | 2019-04-29 | Belt feeder with prevent function of skidding |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112079073A (en) * | 2020-08-17 | 2020-12-15 | 吉林鑫达钢铁有限公司 | Anti-slip belt transmission device |
CN112124902A (en) * | 2020-09-28 | 2020-12-25 | 邯郸钢铁集团有限责任公司 | Method for detecting slippage of belt of feeding machine |
-
2019
- 2019-04-29 CN CN201920614922.XU patent/CN209796660U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112079073A (en) * | 2020-08-17 | 2020-12-15 | 吉林鑫达钢铁有限公司 | Anti-slip belt transmission device |
CN112124902A (en) * | 2020-09-28 | 2020-12-25 | 邯郸钢铁集团有限责任公司 | Method for detecting slippage of belt of feeding machine |
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