CN209209758U - A kind of belt feeder and its belt break protection device - Google Patents
A kind of belt feeder and its belt break protection device Download PDFInfo
- Publication number
- CN209209758U CN209209758U CN201822087334.3U CN201822087334U CN209209758U CN 209209758 U CN209209758 U CN 209209758U CN 201822087334 U CN201822087334 U CN 201822087334U CN 209209758 U CN209209758 U CN 209209758U
- Authority
- CN
- China
- Prior art keywords
- belt
- pallet
- magnet
- tensioning component
- protection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Conveyors (AREA)
Abstract
A kind of belt feeder and its belt break protection device, belt feeder include travelling belt, and travelling belt has carrying section and reverse-running section, and reverse-running section is equipped with gravity tensioning component, to be tensioned travelling belt；Belt break protection device includes: the first Buffer Unit, and set on the lower section of gravity tensioning component, including contact bolster, contact bolster can accept the gravity tensioning component fallen when disconnected band occurs, to carry out first-level buffer；Second Buffer Unit, including the first magnet and the second magnet, first magnet is installed on gravity tensioning component, second magnet is installed on the lower section of the first Buffer Unit, and first magnet it is opposite with the magnetic pole of the second magnet opposite end, second magnet can generate suspension support power to the gravity tensioning component fallen, to carry out level 2 buffering.The there is provided belt break protection device of the utility model can carry out two-stage buffering to the gravity tensioning component fallen, can be avoided direct shock of the gravity tensioning component to floor or ground, reduce the damage of gravity tensioning component.
Description
Technical field
The utility model relates to belt feeder technical fields, and in particular to a kind of belt feeder and its belt break protection device.
Background technique
For belt feeder, travelling belt can generate fatigue damage in longtime running, it is possible to it is disconnected to will appear fatigue
The case where splitting, and be once broken, weight box will fall suddenly and pound to floor or ground, because weight box and concrete rush
It hits and belongs to rigid shock, time of contact is short, and kinetic energy is big, and weight box is possible to smash or even pound through-flooring, causes floor or ground
Badly damaged, the initiation safety accident of face and weight box.
Therefore, how a kind of scheme is provided, is still those skilled in the art's technology urgently to be resolved to overcome drawbacks described above
Problem.
Utility model content
The purpose of the utility model is to provide a kind of belt feeder and its belt break protection devices, wherein the belt break protection device
Including the first Buffer Unit and the second Buffer Unit, two-stage buffering can be carried out to the gravity tensioning component fallen, is slowed down, it can
Direct shock of the gravity tensioning component to floor or ground is largely avoided, and reduces the damage of gravity tensioning component
Possibility.
In order to solve the above technical problems, the utility model provides a kind of belt break protection device of belt feeder, the belt feeder
Including travelling belt, the travelling belt has carrying section and reverse-running section, and the reverse-running section is equipped with gravity tensioning component, with tensioning
The travelling belt；The belt break protection device includes: the first Buffer Unit, set on the lower section of the gravity tensioning component, packet
Contact bolster is included, the contact bolster can accept the gravity tensioning component fallen when disconnected band occurs,
To carry out first-level buffer；Second Buffer Unit, including the first magnet and the second magnet, first magnet are installed on the gravity
Pulling assembly, second magnet are installed on the lower section of first Buffer Unit, and first magnet and second magnetic
The magnetic pole of iron opposite end on the contrary, second magnet can generate suspension support power to the gravity tensioning component fallen,
To carry out level 2 buffering.
Using this structure, contact bolster can to because it is disconnected with due to the gravity tensioning component that falls is accepted, with into
Row first-level buffer can tentatively reduce the falling speed of gravity tensioning component, then be connected again by the second magnet to the first magnet
Falling speed can further be reduced to carry out level 2 buffering by generating suspension support power with gravity tensioning component, until gravity
Pulling assembly static can be suspended in the top of the second magnet, largely to avoid gravity tensioning component to floor or
The direct shock on person ground, and a possibility that gravity tensioning component damages is reduced, and then safety accident can be reduced, ensure production peace
Entirely.
Optionally, second magnet is electromagnet, and when disconnected band occurs, the electromagnet can be powered, to generate
State suspension support power.
Optionally, the electromagnet includes iron core, power supply, motor switch, resistance and conducting wire, the power supply, described electronic
Switch and the resistance can be connected by the conducting wire to form closed circuit, and the conducting wire is wound in the iron core；It is described
Resistance is adjustable resistance, and the variation of resistance value can change the size of the electromagnet output suspension support power.
It optionally, further include controller, monitoring assembly and alarm, the controller and the monitoring assembly, the electricity
The dynamic equal signal connection of switch, the controller can be controlled when the monitoring assembly monitors that the gravity tensioning component is fallen
The motor switch closure, and control the belt feeder shutdown, alarm sending alarm signal.
Optionally, the monitoring assembly includes current monitor, coil and current converter, two extension ends of the coil
It can be connected with the current monitor, to form closed circuit, the coil is located at the lower section of the gravity tensioning component, institute
Current converter is stated to be connected with the current monitor；When disconnected band occurs, the gravity tensioning component fallen can be from institute
It states coil to pass through, the closed circuit can generate induced current, and the current converter can convert the induced current
For standard electric signal；The controller is connect with the current converter signal, and the controller can receive the standard electric
Signal.
Optionally, the contact bolster is air bag, and first Buffer Unit further includes gas generator, and disconnected band occurs
When, the gas generator can be inflated into the air bag.
It optionally, further include several first pallets and several second pallets, each first pallet is along traffic direction interval
Set on the lower section of the reverse-running section, each second pallet is set to the lower section of the carrying section along traffic direction interval；Under normality,
First pallet and the reverse-running section have vertical gap, and second pallet and the carrying section have vertical gap；?
When disconnected band occurs, each first pallet can be moved up to be in contact with the reverse-running section, and each second pallet can move up
To be in contact with the carrying section.
Optionally, first pallet, second pallet include upper layer part and lower layer part, the friction of the upper layer part
Coefficient is greater than the lower layer part, and second pallet is the grooved pallet to match with the shape of the carrying section；Described
One pallet, second pallet are each equipped with actuator, to drive the raising and lowering of the first pallet, second pallet.
Optionally, the gravity tensioning component includes rack and 180 ° of bend pulleys, and the rack is led with fixed setting
Bar is slidably connected, and 180 ° of bend pulleys are rotatably installed on the rack, and under normality, the travelling belt is wire-wrapped in institute
State 180 ° of bend pulleys.
The utility model also provides a kind of belt feeder, the belt break protection device including above-mentioned belt feeder.
Since the belt break protection device of above-mentioned belt feeder has been provided with technical effect as above, then, there is the disconnected band to protect
The belt feeder of protection unit is also when having similar technical effect, therefore this will not be repeated here.
Detailed description of the invention
Fig. 1 is provided a kind of structural schematic diagram of specific embodiment of belt feeder by the utility model；
Fig. 2 is the connection knot of gravity tensioning component under normality, monitoring assembly, the first Buffer Unit and the second Buffer Unit
Composition；
Fig. 3 is the company of gravity tensioning component, monitoring assembly, the first Buffer Unit and the second Buffer Unit when disconnected band occurs
Binding composition；
Fig. 4 is the connection structure diagram of gravity pulling assembly and guide rod；
Fig. 5 is the connection structure diagram for transporting belt, actuator, the first pallet and the second pallet；
Fig. 6 is the connection structure diagram of actuator and the second pallet；
Fig. 7 is the side view of Fig. 6；
Fig. 8 is the connection structure diagram of actuator and the first pallet；
Fig. 9 is the side view of Fig. 8；
Figure 10 is provided the flow chart of the course of work of belt break protection device by the utility model.
The reference numerals are as follows in Fig. 1-10:
1 travelling belt, 11 carrying sections, 12 reverse-running sections, 13 carrying rollers；
2 gravity tensioning components, 21 racks, 211 supporting plates, 22180 ° of bend pulleys, 23 counterweights；
3 first Buffer Units, 31 contact bolsters；
4 second Buffer Units, 41 first magnet, 42 second magnet, 421 iron cores, 422 power supplys, 423 motor switches, 424 electricity
Resistance, 425 conducting wires；
5 controllers；
6 monitoring assemblies, 61 current monitors, 62 coils, 63 current converters；
7 first pallets, 71 upper layer parts, 72 lower layer parts；
8 second pallets；
9 actuators, 91 push rods, 92 brackets, 93 first connecting rods, 94 second connecting rods；
10 guide rods.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing and have
The utility model is described in further detail for body embodiment.
It is described herein it is " several " be that exponential quantity is uncertain multiple, it is usually more than two；And when using " several " table
When showing the quantity of certain several component, it is not offered as the correlation of these components quantitatively.
The words such as " first " described herein, " second ", be merely for convenience of description scheme same or like two with
On structure or component, be not offered as certain particular determination to sequence.
Fig. 1-9 is please referred to, Fig. 1 is provided a kind of structural representation of specific embodiment of belt feeder by the utility model
Figure, Fig. 2 are the connection structure diagram of gravity tensioning component, monitoring assembly, the first Buffer Unit and the second Buffer Unit under normality,
Fig. 3 is the connection structure of gravity tensioning component, monitoring assembly, the first Buffer Unit and the second Buffer Unit when disconnected band occurs
Figure, Fig. 4 are the connection structure diagram of gravity pulling assembly and guide rod, and Fig. 5 is to transport belt, actuator, the first pallet and the second support
The connection structure diagram of disk, Fig. 6 are the connection structure diagram of actuator and the second pallet, and Fig. 7 is the side view of Fig. 6, and Fig. 8 is actuator
With the connection structure diagram of the first pallet, Fig. 9 is the side view of Fig. 8.
For ease of understanding, the structure of belt feeder is described first, referring to Fig.1, belt feeder may include travelling belt 1
With two driving drums, the setting of two driving drum intervals, to limit the length of belt feeder, travelling belt 1 is looped around two transmissions
On roller, closed ring structure can be formed, wherein the travelling belt 1 above two driving drums is carrying section 11, is used for
Material is carried, and being located at the travelling belt 1 below two driving drums is reverse-running section 12, carries the lower section of section 11 and reverse-running section 12
Several carrying rollers 13 are equipped with, to be supported to travelling belt 1, and reverse-running section 12 is additionally provided with gravity tensioning component 2, whole to be tensioned
A travelling belt 1.
Gravity tensioning component 2 may include the guide rod 10 of 21,180 ° of bend pulleys 22 of rack and fixed setting, and rack 21 can
To be slidably connected with guide rod 10,180 ° of bend pulleys 22 are rotatably installed on rack 21, under normality, the backhaul of travelling belt 1
Section 12 can be wire-wrapped in 180 ° of bend pulleys 22, and gravity tensioning component 2 can tense travelling belt 1.Above-mentioned guide rod 10 can be
One, or multiple, in Fig. 4 embodiment, the quantity of guide rod 10 can be two, and two guide rods 10 can be spaced setting,
Rack 21 may include two supporting plates 211, and two supporting plates 211 can be slidably connected with respective guide rod 10 correspondingly, two supporting plates
180 ° of bend pulleys 22 above-mentioned can be equipped between 211.When implementing, if altered course comprising two supporting plates 211 and 180 °
The weight of the gravity tensioning component 2 of roller 22 is inadequate, is not enough to be tensioned travelling belt 1, is also provided with and matches between two supporting plates 211
23 are weighed, to increase the weight of gravity tensioning component 2.It is appreciated that the above-mentioned description as described in 2 specific structure of gravity tensioning component is only
It is a kind of exemplary description of the utility model embodiment, can not be filled as broken belt protector provided to the utility model
The restriction for the practical range set, in the case where meeting use condition, the gravity tensioning component 2 can also using it is in the prior art other
Structure.
When operating normally, travelling belt 1 remains above-mentioned ring structure, and one of two driving drums can pass through
The driving element of the forms such as motor is driven, and to drive travelling belt 1 to be rotated, and then is conveyed to material.For a long time
Under use condition, fatigue fracture may occur for some or certain positions of travelling belt 1, cause entire travelling belt 1 slack and undisciplined
And becoming non-circular structure, gravity tensioning component 2 will fall and smash floor or ground, seriously affect production peace
Entirely.
For this purpose, the utility model provides a kind of belt break protection device of belt feeder, comprising: the first Buffer Unit 3 is set to weight
The lower section of power pulling assembly 2, including contact bolster 31, contact bolster 31 can draw the gravity fallen when disconnected band occurs
Tight component 2 is accepted, to carry out first-level buffer；Second Buffer Unit 4, including the first magnet 41 and the second magnet 42, first
Magnet 41 (preferably permanent magnet) is installed on the bottom of gravity tensioning component 2, and the second magnet 42 is installed on the first Buffer Unit 3
Lower section, and the magnetic pole of 42 opposite end of the first magnet 41 and the second magnet is on the contrary, the second magnet 42 can draw the gravity fallen
Tight component 2 generates suspension support power, to carry out level 2 buffering.
Using this structure, contact bolster 31 can to because it is disconnected with due to the gravity tensioning component 2 that falls is accepted, with
First-level buffer is carried out, the falling speed of gravity tensioning component 2 can be tentatively reduced, then again by the second magnet 42 to the first magnetic
Iron 41, which generates suspension support power together with gravity tensioning component 2, can further reduce falling speed to carry out level 2 buffering,
Until gravity tensioning component 2 static can be suspended in the top of the second magnet 42, largely to avoid gravity tensioning component 2
Direct shock to floor or ground, and a possibility that gravity tensioning component 2 damages is reduced, and then reduce safe thing
Therefore ensure production safety.
In specific scheme, above-mentioned second magnet 42 can be electromagnet, whether have magnetic force progress to it to facilitate
Control: when belt feeder operates normally, the second magnet 42 can be with no power, at this point, it can not have magnetic force；And occurring to break
When band, electromagnet can be powered, to generate suspension support power above-mentioned.
As shown in Figure 2 and Figure 3, above-mentioned electromagnet may include iron core 421, power supply 422, motor switch 423,424 and of resistance
Conducting wire 425, wherein power supply 422 (usually DC power supply), motor switch 423 and resistance 424 can be connected by conducting wire 425
To form closed circuit, conducting wire 425 be can wind in iron core 421.Motor switch 423 can use relay, be specifically as follows
Dynamic circuit connector type (open type, H-type) relay, anti-interference ability is stronger, and reliability is higher.
When motor switch 423 is closed, the conducting wire 425 for being wound in iron core 421 can generate electric current, to pass through iron core 421
Externally output electromagnetic force (i.e. above-mentioned suspension support power).It should be noted that here should to conducting wire 425 wind direction,
The flow direction etc. of electric current is controlled, to adjust the magnetic pole of formed electromagnet so that electromagnet it is opposite with the first magnet 41 two
End has same pole, and then upward repulsive force is generated together with gravity tensioning component 2 to the first magnet 41.
Preferably, above-mentioned resistance 424 can use adjustable resistance, and the variation of resistance value, which can change, flows through conducting wire 425
The size of electric current, and then change the size of the exported suspension support power of electromagnet.It in practical applications, can be in gravity tensioning group
The size of electromagnetic force is regulated and controled when part 2 is not yet installed on travelling belt 1；Specifically, motor switch can be first closed
423, the size of resistance 424 is then gradually adjusted, the electromagnetic force that electromagnet is exported is slightly outstanding by gravity tensioning component 2
It floats on electromagnet, then, then disconnects motor switch 423, and hanging installation is carried out to gravity pulling assembly 2.
It is appreciated that above-mentioned resistance 424 can also use the resistance 424 of fixed resistance value, at this point, if to adjust output
Electromagnetic force can prepare the resistance 424 with a variety of resistance values in advance and access above-mentioned closed circuit and be debugged, can also equally be reached
To said effect.
Contact bolster 31 above-mentioned can be the elastic buffer units such as air bag, sponge, elastic cushion.In the utility model reality
It applies in example, it is preferred to use air bag can be set at the top of iron core 421, and when not in use, which can be non-aerating, i.e.,
Air bag may be at contraction state, to reduce the occupancy to space.For the contact bolster 31 of airbag form, the first buffering group
Part 3 can also include gas generator, be equipped with gas-forming agent and igniter in gas generator, when disconnected band occurs, relay
Device (motor switch 423) can control igniter fire, with pilot gas propellant, bulk gas be generated, by filtering, cooling down
After can enter air bag so that air bag is full of in a very short period of time, to carry out first-level buffer to the gravity tensioning component 2 fallen.
It further, can also include controller 5 and monitoring assembly 6, controller 5 and monitoring assembly 6, motor switch 423
Equal signal connection, monitoring assembly 6 can monitor the position of gravity tensioning component 2, once monitor that gravity tensioning component 2 is fallen,
Can basic confirmation disconnected band accident occurs, controller 5 can send closure signal to motor switch 423, so that the second magnet 42
Suspension support power is generated, simultaneously, additionally it is possible to control belt feeder shutdown, material is spilt caused by avoidable belt feeder continues to run
Fall, and therefrom caused by environmental pollution.
Specifically, monitoring assembly 6 may include current monitor 61 and coil 62, as shown in Figure 2 and Figure 3, coil 62
Two extension ends can be connected with current monitor 61, and to form closed circuit, coil 62 can be located under gravity tensioning component 2
Just, when and disconnected band occurs, the gravity tensioning component 2 fallen can be passed through from coil 62, to cause the variation of magnetic flux.According to stupefied
The area of secondary law, coil 62 is constant, and the variation of magnetic flux can produce induced electromotive force, and then can generate in closed circuit
Induced current；Current monitor 61 is specifically as follows current transformer, can monitor above-mentioned induced current.
It further, can also include current converter 63, current converter 63 is specifically as follows current ramp device,
It can be connected with current monitor 61, the induced current that current monitor 61 monitors is converted into standard electric signal, control
Device 5 can be connect with 63 signal of current converter, to receive the standard electric signal.
In the specific implementation, the setting range that above-mentioned standard electric signal can also be preset, such as the setting range of 4-20mA, control
It when the standard electric signal that device 5 processed receives is in above-mentioned setting range, can determine that substantially gravity tensioning component 2 is fallen, transport
Disconnected band accident occurs for belt 1, and controller 5 can send closure signal to motor switch 423, and control belt feeder shutdown.
It is to be understood that in production, due to factors such as vibration equipment, wind, it is also possible to gravity tensioning component 2 be caused to hang down
Upward small range is mobile, at this point, the magnetic flux in coil 62 can also change, is also possible to that sense can be generated in closed circuit
Electric current is answered, the induced current only generated at this time is smaller, and correspondingly, the value for being converted the standard electric signal to be formed is also smaller,
And at this time, it is clear that there is no disconnected band accident occurs.In this regard, the utility model embodiment uses above-mentioned setting range, it can be right
The standard electric signal that conversion is formed carries out screening judgement, more precisely to judge whether to occur disconnected band accident, keeps away as much as possible
Exempt from the situation of erroneous judgement.
Certainly, during normal production, influence of the factors such as vibration equipment and wind to gravity pulling assembly 2 is smaller, especially
It is when producing indoors, above-mentioned factor can be ignored substantially.That is, it is also assumed that being closed back when operating normally
Road does not generate induced current, then, current monitor 61 once monitors that induced current, controller 5 once monitor standard electric
Signal, can the generation of primitive decision accident.
It is to be appreciated that the above-mentioned use by formation combined by current monitor 61, coil 62 and current converter 63
It is only the utility model in the scheme for monitoring whether to occur the disconnected monitoring assembly 6 with accident (whether gravity tensioning component 2 falls)
A kind of preferred embodiment of embodiment, can not be as the practical range to the provided belt break protection device of the utility model
It limits, in the specific implementation, which can also be using other structures, for example, displacement sensor, travel switch etc..
The there is provided belt break protection device of the utility model can also include alarm (not shown), be specifically as follows sound
Light crossing-signal, buzzer siren etc. can be set in production scene, also can be set in master control room, when disconnected band occurs,
Controller 5 can also control alarm and issue alarm signal, to remind scene or the indoor staff of master control note that in turn
Belt feeder can be repaired in time.
How above each scheme is primarily directed to judging whether that disconnected band accident occurs and how to cut down gravity tensioning component 2
Impact force etc. be described, in fact, when disconnected band accident occurs, in addition to gravity tensioning component 2 can fall and with smashing floor
Outside plate or ground, travelling belt 1 it is also possible to can fall off due to unexpected slack and undisciplined from driving drum and each carrying roller 13, and
Material is caused to trickle down and pollute ambient enviroment.
It is that clamping device is arranged at the position that disconnected band may occur that segmentation scheme, which exists in the prior art, to clamp disconnected band
Both ends, and then prevent the slippage of travelling belt 1, material unrestrained.But breaking in practice is difficult to determination with position, it is above-mentioned
Clamping device can not effectively clamp disconnected band position, and the process itself clamped also be easy to cause travelling belt 1 to damage
It is bad.
In view of this, the provided belt break protection device of the utility model can also include several first pallets 7 and several second
Pallet 8, as shown in figures 5-9, each first pallet 7 can be set to the lower section of reverse-running section 12, each second pallet 8 along traffic direction interval
The lower section of carrying section 11 can be set to along traffic direction interval.Under normal conditions, i.e., when belt feeder operates normally, the first pallet 7 can
To have vertical gap with reverse-running section 12, the second pallet 8 can have vertical gap with carrying section 11, not influence travelling belt
1 normal operation；When disconnected band occurs, each first pallet 7 can be moved up to be in contact with reverse-running section 12, each second pallet, 8 energy
It enough moves up to be in contact with carrying section 11, and then prevents the subsequent action of travelling belt 1 by frictional force, using this side
Case not only can effectively prevent the slippage of travelling belt 1, at the same time it can also position to travelling belt 1, to avoid carrying
Material in section 11 is unrestrained.
It is to be appreciated that when the utility model embodiment does not limit disconnected band accident generation, the first pallet 7 and the second pallet
The occurrence of 8 distances for needing to move up；By taking the first pallet 7 as an example, for ease of description, can be by the first pallet 7 and backhaul under normality
Vertical gap between section 12 is set as H, then when disconnected band accident occurs, the distance that moves up of the first pallet 7 should be greater than or be equal to
H, so that the upper surface of the first pallet 7 after moving up can be in close contact with the lower surface of reverse-running section 12.
First pallet 7, the second pallet 8 may each comprise upper layer part 71 and lower layer part 72, and the coefficient of friction of upper layer part 71 can
To be greater than lower layer part 72, it can specifically be mainly used for fixed upper layer using the silicone rubber material by frosted processing, lower layer part 72
Portion 71 and drive connection is established, material is it is not limited here.In fact, above-mentioned upper layer part 71 is equivalent in lower layer part 72
Upper surface is coated with one layer of anti-slip material, is rubbed when respective trays are contacted with travelling belt 1 to caused by travelling belt 1 with improving
Wipe resistance.
As shown in fig. 7, the cross sectional shape of carrying section 11 can be groove profile, specifically it can be limited by three sections of carrying rollers 13
Shape, largely to avoid material unrestrained from carrying section 11 during transportation, to be adapted therewith, the second pallet 8 can
To use grooved pallet, preferably to carry out fitting positioning to travelling belt 1 when disconnected band occurs.Certainly, the second pallet 8
It can be plane bracket disk, such as the structure of the first pallet 7 in Fig. 9, although being subtracted when moving up with the contact area for carrying section 11
It is small, but can equally fitting positioning be carried out to carrying section 11.
Each first pallet 7, each second pallet 8 can be configured with actuator 9, to drive the first support by actuator 9
The raising and lowering of disk 7, the second pallet 8.For being set to the actuator 9 of the first pallet 7, referring to Fig. 8, and Fig. 1 is combined, each the
The lower section of one pallet 7 can be equipped with several brackets 92, and each bracket 92 can be hinged with second connecting rod 94, and the one of second connecting rod 94
End and the lower layer part 72 of the first pallet 7 are hinged, and the other end and first connecting rod 93 are hinged, which can be using electric hydraulic thrust
Bar, push rod 91 can be connected with first connecting rod 93, to push first connecting rod 93 to be displaced, and then pass through each second connecting rod 94
To drive the first pallet 7 to be gone up and down.In addition to this mode, can also be controlled using other driving structures the first pallet 7,
The lifting of second pallet 8, for example, the cylinder of lifting, oil cylinder etc. can be directly controlled.
Referring to FIG. 10, Figure 10 is provided the flow chart of the course of work of belt break protection device by the utility model.
As shown in Figure 10, the provided belt break protection device of the utility model is monitored whether that disconnected band occurs by monitoring assembly 6
Accident, once occurring, gravity tensioning component 2 is fallen, and induced current can be generated in coil 62, current monitor 61 can monitor
The induced current is converted into standard electric signal to the induced current, and by current converter 63, controller 5 is receiving the mark
It can determine that the disconnected band accident of generation after quasi- electric signal, and issue three control signals: first, for controlling alarm equipment alarm, and control
Belt feeder processed is shut down；Second, for controlling air bag inflation, the charging of the second magnet 42, to be carried out to the gravity tensioning component 2 fallen
Buffering is slowed down；Third, the first pallet 7, the second pallet 8 are promoted, to carry out contact positioning to transporting belt 1.
In summary, the provided belt break protection device of the utility model can have following the utility model has the advantages that 1) integrating disconnected band
Monitor (monitoring assembly 6), alarm (alarm), shut down (controller 5), anti-material trickles down (the first pallet 7, the second pallet 8), again
The whole protective functions such as 2 falling guard of power pulling assembly (the first Buffer Unit 3, the second Buffer Unit 4)；2) clamping side is not used
Formula protects travelling belt 1, can avoid travelling belt and is damaged when clamping；3) the contact positioning of travelling belt 1 is not limited to
Disconnected band position, that is to say, that disconnected band, which occurs, for any position can effectively fix.
The utility model also provides a kind of belt feeder, including belt break protection device involved in the respective embodiments described above.By
Technical effect as above is had been provided in above-mentioned belt break protection device, then, the belt feeder with the belt break protection device is also
When having similar technical effect, therefore this will not be repeated here.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of belt break protection device of belt feeder, the belt feeder includes travelling belt (1), and the travelling belt (1) has
Section (11) and reverse-running section (12) are carried, the reverse-running section (12) is equipped with gravity tensioning component (2), to be tensioned the travelling belt
(1), which is characterized in that the belt break protection device includes:
First Buffer Unit (3) is set to the lower section of the gravity tensioning component (2), including contact bolster (31), the contact
Bolster (31) can accept the gravity tensioning component (2) fallen when disconnected band occurs, to carry out first-level buffer；
Second Buffer Unit (4), including the first magnet (41) and the second magnet (42), first magnet (41) are installed on described
Gravity tensioning component (2), second magnet (42) are installed on the lower section of first Buffer Unit (3), and first magnetic
The magnetic pole of iron (41) and the second magnet (42) opposite end is on the contrary, second magnet (42) can be described heavy to what is fallen
Power pulling assembly (2) generates suspension support power, to carry out level 2 buffering.
2. the belt break protection device of belt feeder according to claim 1, which is characterized in that second magnet (42) is electromagnetism
Iron, when disconnected band occurs, the electromagnet can be powered, to generate the suspension support power.
3. the belt break protection device of belt feeder according to claim 2, which is characterized in that the electromagnet includes iron core
(421), power supply (422), motor switch (423), resistance (424) and conducting wire (425), the power supply (422), the motor switch
(423) and the resistance (424) can be connected to form closed circuit, conducting wire (425) winding by the conducting wire (425)
In the iron core (421)；
The resistance (424) is adjustable resistance, and the variation of resistance value can change the big of the electromagnet output suspension support power
It is small.
4. the belt break protection device of belt feeder according to claim 3, which is characterized in that further include controller (5), monitoring group
Part (6) and alarm, the controller (5) connect with the monitoring assembly (6), the motor switch (423) signal, described
Controller (5) can control the motor switch when the monitoring assembly (6) monitors that the gravity tensioning component (2) falls
(423) it is closed, and controls the belt feeder shutdown, alarm sending alarm signal.
5. the belt break protection device of belt feeder according to claim 4, which is characterized in that the monitoring assembly (6) includes electricity
Stream monitor (61), coil (62) and current converter (63), two extension ends of the coil (62) can be supervised with the electric current
It surveys device (61) to be connected, to form closed circuit, the coil (62) is located at the lower section of the gravity tensioning component (2), the electricity
Stream transformer (63) is connected with the current monitor (61)；
When disconnected band occurs, the gravity tensioning component (2) fallen can pass through from the coil (62), the closed circuit
Induced current can be generated, the induced current can be converted to standard electric signal by the current converter；
The controller (5) connect with the current converter (63) signal, and the controller (5) can receive the standard electric
Signal.
6. the belt break protection device of belt feeder described in any one of -5 according to claim 1, which is characterized in that the contact buffering
Part (31) is air bag, and first Buffer Unit (3) further includes gas generator, when disconnected band occurs, the gas generator energy
It is enough to be inflated into the air bag.
7. the belt break protection device of belt feeder according to claim 6, which is characterized in that further include several first pallets (7)
With several second pallets (8), each first pallet (7) is set to the lower section of the reverse-running section (12) along traffic direction interval, respectively
Second pallet (8) is set to the lower section of carrying section (11) along traffic direction interval；
Under normality, first pallet (7) and the reverse-running section (12) have a vertical gap, second pallet (8) with it is described
Carrying section (11) has vertical gap；When disconnected band occurs, each first pallet (7) can move up with the reverse-running section
(12) it is in contact, each second pallet (8) can move up to be in contact with the carrying section (11).
8. the belt break protection device of belt feeder according to claim 7, which is characterized in that first pallet (7), described
Two pallets (8) include upper layer part (71) and lower layer part (72), and the coefficient of friction of the upper layer part (71) is greater than the lower layer part
(72), and second pallet (8) is the grooved pallet to match with the shape of carrying section (11)；
First pallet (7), second pallet (8) are each equipped with actuator (9), to drive the first pallet (7), described
The raising and lowering of two pallets (8).
9. the belt break protection device of belt feeder according to claim 6, which is characterized in that gravity tensioning component (2) packet
Including rack (21) and 180 ° of bend pulleys (22), the rack (21) and the guide rod (10) of fixed setting are slidably connected, described
180 ° of bend pulleys (22) are rotatably installed on the rack (21), and under normality, the travelling belt (1) is wire-wrapped in described
180 ° of bend pulleys (22).
10. a kind of belt feeder, which is characterized in that the broken belt protector dress including the belt feeder as described in any one of claim 1-9
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822087334.3U CN209209758U (en) | 2018-12-12 | 2018-12-12 | A kind of belt feeder and its belt break protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822087334.3U CN209209758U (en) | 2018-12-12 | 2018-12-12 | A kind of belt feeder and its belt break protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209209758U true CN209209758U (en) | 2019-08-06 |
Family
ID=67464320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822087334.3U Active CN209209758U (en) | 2018-12-12 | 2018-12-12 | A kind of belt feeder and its belt break protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209209758U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516128A (en) * | 2018-12-12 | 2019-03-26 | 福建龙净环保股份有限公司 | A kind of belt feeder and its belt break protection device |
| CN112520325A (en) * | 2020-12-10 | 2021-03-19 | 福建龙净环保股份有限公司 | Pipe belt conveyor tensioning control method and device and pipe belt conveyor |
-
2018
- 2018-12-12 CN CN201822087334.3U patent/CN209209758U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516128A (en) * | 2018-12-12 | 2019-03-26 | 福建龙净环保股份有限公司 | A kind of belt feeder and its belt break protection device |
| CN112520325A (en) * | 2020-12-10 | 2021-03-19 | 福建龙净环保股份有限公司 | Pipe belt conveyor tensioning control method and device and pipe belt conveyor |
| CN112520325B (en) * | 2020-12-10 | 2022-07-08 | 福建龙净环保股份有限公司 | Pipe belt conveyor tensioning control method and device and pipe belt conveyor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209209758U (en) | A kind of belt feeder and its belt break protection device | |
| CN103979376B (en) | Device and the elevator of the lateral oscillation of the cord-like parts of stairlift unit is fixed to for damping | |
| CN102066227B (en) | Elevator system with bottom tensioning means | |
| CN101691180A (en) | Buffer protection device used during elevator falling | |
| JPWO2018150786A1 (en) | Elevator equipment | |
| CN109516128A (en) | A kind of belt feeder and its belt break protection device | |
| KR101610248B1 (en) | System for recovering energy in apparatuses for the handling of loads | |
| CN203382436U (en) | Device for protecting steel wire rope from loosing and breaking | |
| ES2618902T3 (en) | Method in connection with elevator system, and elevator system | |
| CN103175708B (en) | Elevator descending testing system | |
| CN205076603U (en) | Buffer of elevator safety | |
| CN201240728Y (en) | Elevator apparatus | |
| CN201211987Y (en) | Remote control speed limiter of elevator | |
| JP2007176624A (en) | Elevator | |
| CN103018022B (en) | Test equipment for electric welding machine lifting device | |
| CN202704983U (en) | Anti-dropping safety device capable of automatically detecting | |
| JP2009196807A (en) | Elevator device | |
| CN114667263A (en) | Vibration damper for elevator rope body | |
| CN108147251A (en) | A kind of overweight detection warning device of elevator | |
| KR101766530B1 (en) | Worker urgent escape apparatus | |
| CN211686958U (en) | Heavy hammer counterweight device for belt conveyor and belt conveyor | |
| CN110342376B (en) | Safe speed-control sightseeing descending channel based on Lenz law and control method thereof | |
| CN103196692B (en) | A kind of releasing means of elevator test | |
| JP2003246564A (en) | Elevator device | |
| CN206369717U (en) | Multi-storied garage testing device for wire ropes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |