CN207580675U - A kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency - Google Patents
A kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency Download PDFInfo
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- CN207580675U CN207580675U CN201721236537.3U CN201721236537U CN207580675U CN 207580675 U CN207580675 U CN 207580675U CN 201721236537 U CN201721236537 U CN 201721236537U CN 207580675 U CN207580675 U CN 207580675U
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000000498 cooling water Substances 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 20
- 238000010168 coupling process Methods 0.000 claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims description 2
- 206010037660 Pyrexia Diseases 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 239000003245 coal Substances 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000004888 barrier function Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of intelligent water-cooled straight drive systems of drag conveyor permanent-magnetic variable-frequency, including magneto, controller, frequency converter I etc., magneto one end is directly connected to sprocket wheel by shaft coupling, intermediate decelerator-free, further include the encoder I being connected with the Chain Wheel of Flight Bar Conveyor I other ends, the encoder II being connected with the Chain Wheel of Flight Bar Conveyor II other ends, and pull pressure sensor and cooling auxiliary equipment, cooling auxiliary equipment specifically includes water tank, water pump, cooler, two-position three way magnetic valve, temperature sensor I, temperature sensor II and water pipe, the snakelike cooling water pipe of frequency converter and permanent magnet synchronous motor cooling water pipe.The utility model belongs to underground coal mine material transportation technical field, specifically there is provided a kind of intelligent water-cooled straight drive systems of drag conveyor permanent-magnetic variable-frequency, solve the shortcomings of existing underground coal mine scraper conveyor drive system transmission chain is long, drive characteristic is poor, heavy load starting is insufficient and frequency changing driving system cooling is insufficient.
Description
Technical field
The utility model belongs to underground coal mine material transportation technical field, in particular to a kind of intelligent water-cooled scraper plate conveying
The straight drive system of machine permanent-magnetic variable-frequency.
Background technology
Scraper Conveyor in Mining Face is due to the flexible of annular chains and intermediate channel so that conveying functional adaptation bottom plate rises
Volt variation, can integrally bending Forward, thus as irreplaceable fully mechanized mining conveying equipment, largely determine coal-getter
Make the production capacity and efficiency in face.
Traditional drag conveyor drive mode is using " asynchronous motor+fluid coupling+retarder+sprocket wheel ", " asynchronous
Motor+controllable drive mechanism+retarder+sprocket wheel ", both kind of drive technologies are relatively ripe, and device structure is simple,
Price advantage is apparent, but generally existing transmission chain length, efficiency are low, high failure rate, can also bring serious vibration and noise, profit
The drawbacks such as leakage pollution, the maintenance workload of lubricating oil be big, also tend to can only No Load Start, then could access load.With change
The development of frequency technology, frequency conversion asynchronous motor are gradually applied in drag conveyor drive system, and this drive mode is using change
Frequency asynchronous motor and retarder series connection are used cooperatively.However, AC Motor Drive System is poor there are starting characteristic, heavily loaded work
Under condition, starting current very it is big either frequently heavy load starting, operation suddenly overload situations such as easily cause frequency converter or asynchronous electricity
Motivation is burnt；Also, asynchronous motor and retarder work at high speeds, accelerate bearing wear, shorten the working life.
In order to shorten transmission chain, improve driving motor performance, the permanent magnet synchronous motor with low-speed big is gradually applied to scraper plate
In driving system of belt conveyor, for example, patent CN105564899A has applied for a kind of scrapper conveyor low-speed half direct-driven permanent magnetic drive system
System, makes frequency conversion all-in-one machine, no shaft coupling reduces electricity to a certain extent by low-speed big magneto and reducer arrangement
The rotating speed of machine and retarder improves the reliability and service life of drive system, but still by means of retarder, and work as and subtract
It is repaired during fast device failure more complicated.Patent CN101875432A has applied for a kind of direct-drive scraping plate conveying device, which adopts
Power source is done with linear motor, is connected between secondary back iron by chaining part, realizes the operation of conveyer, it is not required that shaft coupling
The intermediate transmission mechanisms such as device, idler wheel, but this drive mode using segmented power, undoubtedly increase linear motor number and
The complexity of wiring.
Frequency converter and motor generally can all be furnished with the main cooling of cooling device, wherein mesohigh motor and its frequency converter
Mode is water cooling, fast heat to be accelerated to scatter and disappear and improves service life.But existing cooling device frequency converter multipair greatly and motor
It cools down respectively, this just undoubtedly increases the usage amount of water pump, improves production cost, also waste water resource.In order to solve this
Problem, patent CN104377884A have applied for the combined-type water cooling system of a kind of motor and frequency converter, and the system is to frequency converter
It is cooled down simultaneously with motor parallel connection, still, still cools down the waste for resulting in the energy to it when motor temperature is relatively low, not enough closed
Reason；In addition, its temperature sensor is provided only on circulating line, not enough truly reflect the temperature of frequency converter and motor.
Utility model content
To solve above-mentioned existing problem, it is straight that the utility model provides a kind of intelligent water-cooled drag conveyor permanent-magnetic variable-frequency
Drive system, solve that existing underground coal mine scraper conveyor drive system transmission chain is long, drive characteristic is poor, heavy load starting is insufficient and
The shortcomings of frequency changing driving system cooling is insufficient.
The technical solution that the utility model is taken is as follows：The intelligent water-cooled drag conveyor permanent-magnetic variable-frequency of the utility model is straight
Drive system, mainly including controller, frequency converter I, frequency converter II, low-speed big permanent magnet synchronous motor I, low-speed big permanent magnetism
Synchronous motor II, shaft coupling I, shaft coupling II, Chain Wheel of Flight Bar Conveyor I, Chain Wheel of Flight Bar Conveyor II, scraper plate, scraper chain, middle part
Slot and the three-phase wire of connection low-speed big permanent magnet synchronous motor and frequency converter I, low-speed big permanent magnet synchronous motor I
It is connect by shaft coupling I with Chain Wheel of Flight Bar Conveyor I one end, and Chain Wheel of Flight Bar Conveyor I is driven to rotate, low-speed big permanent magnetism
Synchronous motor II is connect by shaft coupling II with Chain Wheel of Flight Bar Conveyor II one end, and Chain Wheel of Flight Bar Conveyor II is driven to rotate,
Chain Wheel of Flight Bar Conveyor I and Chain Wheel of Flight Bar Conveyor II pull scraper plate chain movement jointly, and then scraper plate is made to convey material, this practicality
The straight drive system of drag conveyor permanent-magnetic variable-frequency of novel intelligent water cooling further includes what is be connected with the Chain Wheel of Flight Bar Conveyor I other ends
Encoder I, the encoder II being connected with the Chain Wheel of Flight Bar Conveyor II other ends and pull pressure sensor and the attached dress of cooling
It puts, cooling auxiliary equipment specifically includes water tank, water pump, cooler, two-position three way magnetic valve, temperature sensor I, temperature sensor
II and the snakelike cooling water pipe of water pipe, frequency converter and permanent magnet synchronous motor cooling water pipe.
Further, the low-speed big permanent magnet synchronous motor I output shafts pass through with Chain Wheel of Flight Bar Conveyor I input shafts
Shaft coupling I is directly connected to, and low-speed big permanent magnet synchronous motor II output shafts pass through connection with Chain Wheel of Flight Bar Conveyor II input shafts
Axis device II is directly connected to, intermediate equal decelerator-free.
Further, the encoder I is connect with the other end of Chain Wheel of Flight Bar Conveyor I, encoder I and drag conveyor
Sprocket wheel I central coaxials can simultaneously rotate simultaneously；Encoder II is connect with the other end of Chain Wheel of Flight Bar Conveyor II, and encoder II is with scraping
Plate conveyor sprocket II central coaxials can simultaneously rotate simultaneously.
Further, the water pump is inside water tank, the water pump inside water tank, the water outlet of water pump by water pipe with
The import connection of two-position three way magnetic valve, the one outlet of two-position three way magnetic valve is with low-speed big permanent magnet synchronous motor I's
Permanent magnet synchronous motor cooling water pipe is connected by water pipe, another outlet of two-position three way magnetic valve is snakelike cold with frequency converter I
But water pipe is connected by water pipe, the water outlet of the snakelike cooling water pipe of frequency converter and the permanent magnetism of low-speed big permanent magnet synchronous motor I
Synchronous motor cooling water pipe is connected by water pipe, forms closed loop；The low-speed big permanent magnetism at drag conveyor both ends
Synchronous motor I, frequency converter I, low-speed big permanent magnet synchronous motor II, frequency converter II are respectively equipped with a set of cooling auxiliary equipment.
Further, the low-speed big permanent magnet synchronous motor I casing outer walls are glued with multiple rows of permanent magnet synchronous electric arranged side by side
Machine cooling water pipe, the snakelike cooling water pipe of frequency converter face the component for most serious of generating heat in frequency converter I.
Further, the temperature sensor I, temperature sensor II, pull pressure sensor are electrically connected respectively with controller,
Two-position three way magnetic valve and water pump are electrically connected respectively with controller.Temperature sensor I, temperature sensor II, pull pressure sensor
The signal of detection passes to controller, and two-position three way magnetic valve and water pump receive the control instruction of controller.
Further, the drag conveyor head and the tail both ends are equipped with low-speed big permanent magnet synchronous motor I, the big torsion of low speed
Pull pressure sensor is equipped with below torque permanent magnet synchronous motor I.
What the utility model obtained using the above structure has the beneficial effect that：This programme is by the traditional asynchronous electricity of drive system
Motivation is substituted for low-speed big permanent magnet synchronous motor so that and its output characteristics is more suitable for the duty requirements of drag conveyor,
Detent torque is big, disclosure satisfy that heavy load starting, anti-overload ability are strong；Due to eliminating reducer arrangement, reduce failure rate, carry
High transmission efficiency, while the drawbacks such as caused maintenance workload and lubrication leakage in the presence of retarder are also eliminated, substantially
It is non-maintaining, improve reliability and service life.The encoder being connected with the Chain Wheel of Flight Bar Conveyor other end can detect in real time
The rotating speed of sprocket wheel, when there is sprocket wheel broken teeth to occur, encoder can detect the cyclic fluctuation of chain wheel speed, control computer
This fluctuation signal will be extracted and show sprocket wheel exception, alarm is carried out, improve the intelligent journey of drag conveyor
Degree.Frequency converter and low-speed big permanent magnet synchronous motor share a water pump, reduce water pump usage amount, while also economize on
Water；The cooling of low-speed big permanent magnet synchronous motor has selectivity, when the temperature is low, only frequency converter is cooled down, ring
It protects, is energy saving.
Description of the drawings
Fig. 1 directly drives drag conveyor structure diagram for permanent magnet synchronous motor；
Fig. 2 cools down auxiliary equipment structure diagram for frequency converter and permanent magnet synchronous motor；
Fig. 3 cools down auxiliary equipment flow diagram for frequency converter and permanent magnet synchronous motor.
In figure：1st, controller, 2, frequency converter I, 3, three-phase wire, 4, low-speed big permanent magnet synchronous motor I, 5, shaft coupling
I, 6, Chain Wheel of Flight Bar Conveyor I, 7, encoder I, 8, scraper plate, 9, scraper chain, 10, intermediate channel, 11, encoder II, 12, scraper plate it is defeated
Send chain wheel II, 13, shaft coupling II, 14, low-speed big permanent magnet synchronous motor II, 16, frequency converter II, 18, water tank, 19, forever
Magnetic-synchro motor cooling water pipe, 20, temperature sensor II, 21, water pipe, 22, temperature sensor I, 23, the snakelike cooling water of frequency converter
Pipe, 24, cooler, 25, water pump, 26, two-position three way magnetic valve, 27, pull pressure sensor.
Specific embodiment
With reference to attached drawing 1-3, the utility model is described in further details.
As shown in Figure 1, the straight drive system of drag conveyor permanent-magnetic variable-frequency that the utility model is intelligent water-cooled, main to include control
Device 1, frequency converter I 2, frequency converter II 16, low-speed big permanent magnet synchronous motor I 4, low-speed big permanent magnet synchronous motor II
14th, shaft coupling I 5, shaft coupling II 13, Chain Wheel of Flight Bar Conveyor I 6, Chain Wheel of Flight Bar Conveyor II 12, scraper plate 8, scraper chain 9,
The three-phase wire 3 of intermediate channel 10 and connection low-speed big permanent magnet synchronous motor I 4 and frequency converter I 2.Low-speed big is forever
Magnetic-synchro motor I 4 is connect, and drive Chain Wheel of Flight Bar Conveyor I 6 by shaft coupling I 5 with 6 one end of Chain Wheel of Flight Bar Conveyor I
Rotation；Low-speed big permanent magnet synchronous motor II 14 is connect by shaft coupling II 13 with 12 one end of Chain Wheel of Flight Bar Conveyor II,
And Chain Wheel of Flight Bar Conveyor II 12 is driven to rotate；Chain Wheel of Flight Bar Conveyor I 6 and Chain Wheel of Flight Bar Conveyor II 12 is pulled jointly
Scraper chain 9 moves, and then scraper plate 8 is made to convey material.
The intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency of the utility model further includes and Chain Wheel of Flight Bar Conveyor I
The encoder I 7 that 6 other ends are connected, the encoder II 11 being connected with 12 other ends of Chain Wheel of Flight Bar Conveyor II, coding
Device I 7 can detect the rotating speed of sprocket wheel I 6 in real time, and encoder II 11 can detect the rotating speed of sprocket wheel II 12 in real time, when there is sprocket wheel to have
When broken teeth occurs, encoder can detect the cyclic fluctuation of chain wheel speed, and control computer will extract this fluctuation letter
Number and show that sprocket wheel is abnormal, sends out alarm, improve the intelligence degree of drag conveyor.
As shown in Figure 2：The utility model further includes cooling auxiliary equipment, and cooling auxiliary equipment specifically includes water tank 18, water
Pump 25, cooler 24, two-position three way magnetic valve 26, temperature sensor I 22, temperature sensor II 20 and water pipe 21, frequency conversion
The snakelike cooling water pipe 23 of device and permanent magnet synchronous motor cooling water pipe 19.
Frequency converter I 2 and low-speed big permanent magnet synchronous motor I 4 shares a water pump 25, and two-position three way magnetic valve 26 is normal
Water pump 25 and permanent magnet synchronous motor cooling water pipe 19 is connected in open state.When drag conveyor work just starts, the big torsion only to low speed
Torque permanent magnet synchronous motor I 4 is cooled down, when temperature sensor I 22 detects that 2 temperature of frequency converter I is more than setting value, controller 1
It gives two-position three way magnetic valve 26 1 electric signals, then water pump 25 and the snakelike cooling water pipe 22 of frequency converter is connected, at this point, frequency converter
The cooling water pipe 19 of snakelike cooling water pipe 22 and permanent magnet synchronous motor is connected, and forms closed loop with water tank 18；Work as temperature
When degree sensor II 20 detects that frequency converter heat generating components temperature is more than preset value, controller 1 will be to the electricity of water pump 25
Machine frequency modulation accelerates the cooldown rate to low-speed big permanent magnet synchronous motor I 4 to increase its flow.
In addition the utility model further includes pull pressure sensor 27, can detect low-speed big permanent magnet synchronous motor I's 4
Pressure, and then calculate motor torque.When the pull pressure sensor at both ends detects low-speed big permanent magnet synchronous motor I 4
When underload is more than preset value with 14 overload times of low-speed big permanent magnet synchronous motor II, the control algolithm in controller 1 will be logical
The electric current that frequency converter I 2 is made to increase low-speed big permanent magnet synchronous motor I 4 is crossed, and then increases low-speed big permanent-magnet synchronous
The output torque of motor I 4.Since the output torque of low-speed big permanent magnet synchronous motor I 4 is more than load torque, low speed is big
The rotating speed of torque permanent magnet synchronous motor I 4 can also increase therewith, in order to ensure Chain Wheel of Flight Bar Conveyor I 6 and drag conveyor chain
Taking turns II 12 has identical rotating speed, and the control algolithm in controller 1 will increase low-speed big by adjusting frequency converter II 16
The rotating speed of permanent magnet synchronous motor II 14, so as to reduce the output torque of low-speed big permanent magnet synchronous motor II 14.Thus
The load balanced between low-speed big permanent magnet synchronous motor I 4 and low-speed big permanent magnet synchronous motor II 14 is uneven, very
The situation of one end overload, other end underload is avoided well, realizes the intelligent control of drag conveyor.
The intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency, is by conventional drive system disclosed in the utility model
Asynchronous motor be substituted for low-speed big permanent magnet synchronous motor, eliminate reducer arrangement, directly drive drag conveyor,
It can realize the energy heavy load starting not by retarder so that the output characteristics of magneto is more suitable for the work of drag conveyor
Condition demand reduces the rated speed of motor, improves reliability and service life.Due to eliminating retarder, event is reduced
Barrier rate improves transmission efficiency, while also eliminates and safeguard the drawbacks such as workload caused by retarder and lubrication leakage.It is based on
The sprocket wheel broken teeth detection of encoder, can further improve the intelligence degree of drag conveyor.In the cooling device of outfit, become
Frequency device and low-speed big permanent magnet synchronous motor share a water pump, reduce water pump usage amount, while also using water wisely, ring
It protects, is energy saving.
The utility model and embodiments thereof are described above, this description is no restricted, shown in attached drawing
Be also the utility model one of embodiment, practical structure is not limited thereto.All in all if this field
Those of ordinary skill is enlightened by it, without deviating from the purpose of the present invention, not inventively design with
The similar frame mode of the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (7)
1. a kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency, mainly including controller (1), frequency converter I (2),
Frequency converter II (16), low-speed big permanent magnet synchronous motor I (4), low-speed big permanent magnet synchronous motor II (14), shaft coupling I
(5), shaft coupling II (13), Chain Wheel of Flight Bar Conveyor I (6), Chain Wheel of Flight Bar Conveyor II (12), scraper plate (8), scraper chain (9), in
The three-phase wire (3) of portion's slot (10) and connection low-speed big permanent magnet synchronous motor I (4) and frequency converter I (2), the big torsion of low speed
Torque permanent magnet synchronous motor I (4) is connect, and drive drag conveyor by shaft coupling I (5) with Chain Wheel of Flight Bar Conveyor I (6) one end
Sprocket wheel I (6) is rotated, and low-speed big permanent magnet synchronous motor II (14) passes through shaft coupling II (13) and Chain Wheel of Flight Bar Conveyor II
(12) one end connects, and Chain Wheel of Flight Bar Conveyor II (12) is driven to rotate；Chain Wheel of Flight Bar Conveyor I (6) and drag conveyor chain
Take turns II (12) pulls scraper chain (9) to move jointly, and then scraper plate (8) is made to convey material, it is characterised in that：It further includes defeated with scraper plate
Send chain wheel I (6) encoder I (7) that the other end is connected, the coding being connected with Chain Wheel of Flight Bar Conveyor II (12) other end
Device II (11) and pull pressure sensor (27) and cooling auxiliary equipment, cooling auxiliary equipment specifically include water tank (18), water pump
(25), cooler (24), two-position three way magnetic valve (26), temperature sensor I (22), temperature sensor II (20) and water pipe
(21), the snakelike cooling water pipe of frequency converter (23) and permanent magnet synchronous motor cooling water pipe (19).
2. a kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency according to claim 1, it is characterised in that：
Low-speed big permanent magnet synchronous motor I (4) output shafts pass through shaft coupling I (5) with Chain Wheel of Flight Bar Conveyor I (6) input shafts
It is directly connected to, low-speed big permanent magnet synchronous motor II (14) output shafts pass through connection with Chain Wheel of Flight Bar Conveyor II (12) input shaft
Axis device II (13) is directly connected to.
3. a kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency according to claim 1 or 2, feature exist
In：The encoder I (7) connect with the other end of Chain Wheel of Flight Bar Conveyor I (6), encoder I (7) and Chain Wheel of Flight Bar Conveyor I
(6) central coaxial can simultaneously rotate simultaneously；Encoder II (11) is connect with the other end of Chain Wheel of Flight Bar Conveyor II (12), encoder
II (11) and Chain Wheel of Flight Bar Conveyor II (12) central coaxial can simultaneously rotate simultaneously.
4. a kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency according to claim 1, it is characterised in that：
The water pump (25) is internal in water tank (18), and the water outlet of water pump (25) passes through water pipe (21) and two-position three way magnetic valve (26)
Import connects, the one outlet of two-position three way magnetic valve (26) and the permanent magnet synchronous electric of low-speed big permanent magnet synchronous motor I (4)
Machine cooling water pipe (19) is connected by water pipe (21), another outlet and the snakelike cooling of frequency converter of two-position three way magnetic valve (26)
Water pipe (23) is connected by water pipe (21), water outlet and the low-speed big permanent magnet synchronous electric of the snakelike cooling water pipe of frequency converter (23)
The water inlet connection of the permanent magnet synchronous motor cooling water pipe (19) of machine I (4), forms closed loop；Drag conveyor both ends
Low-speed big permanent magnet synchronous motor I (4), frequency converter I (2), low-speed big permanent magnet synchronous motor II (14), frequency converter II
(16) it is respectively equipped with a set of cooling auxiliary equipment.
5. a kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency according to claim 4, it is characterised in that：
Low-speed big permanent magnet synchronous motor I (4) the casing outer wall is glued with multiple rows of permanent magnet synchronous motor cooling water pipe (19) arranged side by side,
The snakelike cooling water pipe of frequency converter (23) faces the component of fever most serious in frequency converter I (2).
6. a kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency according to claim 4, it is characterised in that：
The temperature sensor I (22), temperature sensor II (20), pull pressure sensor (27) are electrically connected respectively with controller (1), and two
Position-3-way solenoid valve (26) and water pump (25) are electrically connected respectively with controller (1).
7. a kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency according to claim 1, it is characterised in that：
The drag conveyor head and the tail both ends are equipped with low-speed big permanent magnet synchronous motor I (4), low-speed big permanent magnet synchronous motor
Pull pressure sensor (27) is equipped with below I (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721236537.3U CN207580675U (en) | 2017-09-26 | 2017-09-26 | A kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721236537.3U CN207580675U (en) | 2017-09-26 | 2017-09-26 | A kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency |
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| Publication Number | Publication Date |
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| CN207580675U true CN207580675U (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721236537.3U Expired - Fee Related CN207580675U (en) | 2017-09-26 | 2017-09-26 | A kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107555082A (en) * | 2017-09-26 | 2018-01-09 | 中国矿业大学 | A kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency |
| CN110171667A (en) * | 2019-05-27 | 2019-08-27 | 浙江鄞发节能科技有限公司 | It can be in the conveyer of plane turning |
-
2017
- 2017-09-26 CN CN201721236537.3U patent/CN207580675U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107555082A (en) * | 2017-09-26 | 2018-01-09 | 中国矿业大学 | A kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency |
| CN107555082B (en) * | 2017-09-26 | 2024-01-26 | 中国矿业大学 | Intelligent water-cooled scraper conveyor permanent magnet variable frequency direct-drive system |
| CN110171667A (en) * | 2019-05-27 | 2019-08-27 | 浙江鄞发节能科技有限公司 | It can be in the conveyer of plane turning |
| CN110171667B (en) * | 2019-05-27 | 2020-08-11 | 浙江鄞发节能科技有限公司 | Tooth cable conveyer capable of turning on plane |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 |