CN105617747B - Conveyer belt rate of tension regulating device and adjusting method - Google Patents
Conveyer belt rate of tension regulating device and adjusting method Download PDFInfo
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- CN105617747B CN105617747B CN201610150678.7A CN201610150678A CN105617747B CN 105617747 B CN105617747 B CN 105617747B CN 201610150678 A CN201610150678 A CN 201610150678A CN 105617747 B CN105617747 B CN 105617747B
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- conveyer belt
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- threaded shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/056—Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0407—Perforated supports on both sides of the filtering element
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- Chemical Kinetics & Catalysis (AREA)
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- Structure Of Belt Conveyors (AREA)
Abstract
The present invention relates to de-watering of slurries technical field, more particularly, to a kind of conveyer belt rate of tension regulating device and adjusting method.The regulating device includes rack, regulation motor, two sets of screw-threaded shaft elevators, interlocking bar, two nuts and deflector roll；Regulation motor drives two sets of screw-threaded shaft elevators to rotate synchronously by interlocking bar, so as to which deflector roll be driven to realize elevating movement；Pressure vacuum gauge on the vaccum dewatering box below conveyer belt is installed, and the controller being connected with pressure vacuum gauge and regulation motor is set.Controller receives the conveyer belt pressure changing information that pressure vacuum gauge is sent, and controller controls to adjust motor work, and driving deflector roll lifting is adjusted so as to fulfill the rate of tension of conveyer belt.The present invention is using the conveyer belt pressure changing information sent of pressure vacuum gauge as with reference to value, the reference of a homeostasis is provided for the adjusting of conveyer belt rate of tension, and by the way of fine tuning, it is rapid accurate to adjust, and is conducive to improve the service life of woollen blanket and the stability of dehydration.
Description
Technical field
The present invention relates to de-watering of slurries technical field, more particularly, to a kind of conveyer belt rate of tension regulating device and adjusting side
Method.
Background technology
It is existing in the production technologies such as construction material, papermaking, chemical industry, usually can the moisture and solute in need by solution
Or the separated process of slag charge.Such as in fiber cement tile, the current industrialization production of plate, de-watering of slurries and blank-making technology use than
It is more to be generally divided into two major classes：First, following the example of blank-making technology using copying, another kind of is using slurry flowing process blank-making technology.
At present, there is a kind of emerging collection slurry processes blank-making technology, can mainly solve fibre cement corrugated tile, slab work
Skill require the expenditure of energy it is more, need using structure it is more complicated, take up an area larger plant issue.Collecting slurry processes base includes batch mixing system
Slurry, cloth slurry, de-watering of slurries and several big steps of compression moulding.
In de-watering of slurries step, conveyer belt generally uses the material of water penetration, such as woollen blanket.Current woollen blanket rate of tension tune
Regulating device has motor to adjust and adjust manually two ways, when more felt changing or woollen blanket aging blocking, it is necessary to by adjusting hair
The rate of tension of blanket ensures dehydrating effect.But the standard of this regulative mode neither one homeostasis is as reference, is usually all
It is rule of thumb adjusted by worker, often accelerates the damage of woollen blanket because woollen blanket adjusts tension, shorten woollen blanket
Service life also often because the mistake that woollen blanket is adjusted is sent, and affects the dewatering stability of woollen blanket.
The content of the invention
It is an object of the invention to provide a kind of conveyer belt rate of tension regulating device and adjusting method, to solve the prior art
Present in the technical issues of conveyer belt can not automatically adjust rate of tension and lack homeostasis standard in base dewatering process.
Conveyer belt rate of tension regulating device provided by the invention, including：Rack, regulation motor, two sets of screw-threaded shaft elevators, connection
Lever, two nuts and deflector roll；
Two sets of screw-threaded shaft elevators are installed in the rack, and the regulation motor drives two by the interlocking bar
The screw-threaded shaft elevator is covered to rotate synchronously；
Two nuts are separately mounted on the leading screw of two sets of screw-threaded shaft elevators, in two sets of screw-threaded shaft elevators
Driving under realize synchronous elevating movement；
The both ends of the deflector roll are separately mounted on two nuts, and conveyer belt bypasses the deflector roll；
The vaccum dewatering box being arranged below the conveyer belt is further included, the vacuum pressure on the vaccum dewatering box
Power table and the controller being connected with the pressure vacuum gauge and the regulation motor.
Further, the conveyer belt rate of tension regulating device further includes handwheel；The handwheel and a set of leading screw
Elevator connects, and the synchronous rotation of two sets of screw-threaded shaft elevators is realized by the interlocking bar.
Further, the conveyer belt rate of tension regulating device further includes motor pulley, screw-threaded shaft elevator belt pulley
And belt；The motor pulley and the output shaft of the regulation motor are affixed, the screw-threaded shaft elevator belt pulley and a set of institute
It is affixed to state the input shaft of screw-threaded shaft elevator, the belt is mounted on the motor pulley and the screw-threaded shaft elevator belt pulley
On.
Further, the screw-threaded shaft elevator is mounted on by lifting seat in the rack, the screw-threaded shaft elevator and institute
It states and is connected by leading screw shaft coupling between interlocking bar.
Further, the nut is connected by lifting lug with the deflector roll.
Further, the belt is Type B V bands.
Further, the screw-threaded shaft elevator is SWL series screw-threaded shaft elevators.
Further, the conveyer belt rate of tension regulating device further includes bearing block and lifting cover；The bearing block peace
In the rack, the leading screw end of the screw-threaded shaft elevator is mounted on by bearing on the bearing block；The lifting cover
The leading screw of the screw-threaded shaft elevator and the nut are wrapped in interior.
Adjusting method provided by the invention based on the conveyer belt rate of tension regulating device, concretely comprises the following steps：It is described
Controller receives the conveyer belt pressure changing information that the pressure vacuum gauge is sent, when the conveyer belt that the pressure vacuum gauge is sent
When pressure changing information changes, the controller controls the regulation motor work, is driven by the screw-threaded shaft elevator
The deflector roll lifting, makes the conveyer belt pressure changing information that the pressure vacuum gauge is sent recover to preset value, so as to fulfill biography
The rate of tension of band is sent to adjust.
Further, the adjusting method further include auxiliary for conveyer belt dehydration make cloth device and to make cloth device electric
Machine；When the conveyer belt tightens or adjust pine, cloth device motor acceleration or deceleration is beaten described in the controller Synchronization Control, so as to real
The existing conveyer belt stablizes dehydration.
Beneficial effects of the present invention are：
The present invention is conveyer belt rate of tension using the conveyer belt pressure changing information sent of pressure vacuum gauge as value is referred to
The reference for providing a homeostasis is adjusted, and motor, driving deflector roll lifting, so as to fulfill conveyer belt are controlled to adjust by controller
Rate of tension is adjusted.
Using feedback element, by the way of fine tuning, it is rapid accurate to adjust, and is conducive to improve the service life of woollen blanket and takes off
The stability of water.
The present invention, which can be widely applied to copy, follows the example of blank-making technology, slurry flowing process blank-making technology and collection slurry processes blank-making technology,
It can be very good the rate of tension of adjusting conveyer belt.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of dewatering system provided in an embodiment of the present invention；
Fig. 2 is the front view of conveyer belt rate of tension regulating device provided in an embodiment of the present invention；
Fig. 3 is the left view of conveyer belt rate of tension regulating device provided in an embodiment of the present invention；
Fig. 4 is the regulation flow process schematic diagram of conveyer belt rate of tension adjusting method provided in an embodiment of the present invention.
Reference numeral：
1- rotary rollers；2- woollen blanket deflector rolls；
3- natural-dehydrations area；The first vacuum dehydrations of 4- area；
5- arc dewatering boxs；The first sluicing pipes of 6-；
7- cylinder moulds；8- couch roll fixed seats；
9- couch rolls；10- couch roll arms；
11- couch roll arm mounting bases；The second vacuum dehydrations of 12- area；
13- tightening devices；14- makes cloth device；
The second sluicing pipes of 15-；16- main stands；
17- base press-forming machines；18- head boxs；
1301- regulation motors；1302- motor pulleys；
1303- screw-threaded shaft elevator belt pulleys；1304- screw-threaded shaft elevators；
1305- leading screw shaft couplings；1306- interlocking bar；
1307- deflector rolls；1308- handwheels；
1309- racks；1310-B type V bands；
1311- axle sleeves；1312- lifting seats；
1313- lifting covers；1314- nuts；
1315- lifting lugs；1316- bearing blocks.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 1 is the structure diagram of dewatering system provided in an embodiment of the present invention.
The dewatering system includes：The natural-dehydration area 3 that sets gradually, the first vacuum dehydration area 4, cylinder mould couch roll drying zone,
Second vacuum dehydration area 12 and compression moulding drying zone.Wherein, compression moulding drying zone uses base press-forming machine 17.
Further include 12 woollen blanket deflector rolls 2 being arranged on each section and around the water penetration conveyer belt being located on each transfer roller, and
The water penetration conveyer belt passes sequentially through the natural-dehydration area 3, the first vacuum dehydration area 4, cylinder mould couch roll drying zone, second very
Empty drying zone 12 and compression moulding drying zone.
Water penetration conveyer belt uses woollen blanket.
Natural-dehydration area 3 includes two natural-dehydration casees being sequentially arranged；The upper surface of natural-dehydration case sets polylith glass
Windshield wiper blade made of glass, babinet use angle steel material.Glass slicker point row is arranged in parallel, and comes to conveyer belt to inclination.Glass
The front end of glass scraper is sharp, and upper surface is the inclined plane shape after frontal plane under.During installation, the plane of glass slicker upper surface with
Woollen blanket lower surface contacts.The downward slope at glass slicker upper surface rear portion can make the lower surface of glass slicker and woollen blanket
Between generate negative pressure, so as to scrape off the most of moisture of woollen blanket lower surface attachment, natural-dehydration rate can generally reach 11%~
16%.
First vacuum dehydration area 4 and the second vacuum dehydration area 12 respectively set three vaccum dewatering box.Wherein, first is true
Empty drying zone 4 is arranged between natural-dehydration area 3 and cylinder mould couch roll drying zone；Second vacuum dehydration area 12 is arranged on cylinder mould couch roll
On main stand 16 between drying zone and base press-forming machine 17.
Three vaccum dewatering box in the first vacuum dehydration area 4 and three vaccum dewatering box in the second vacuum dehydration area 12 are each
A vacuum pump is shared, so as to reduce the vacuum degree in each vaccum dewatering box, prevents the high suction that condition of high vacuum degree generates to woollen blanket
Operation brings resistance, so as to ensure that the service life of woollen blanket.
Cylinder mould couch roll drying zone mainly includes cylinder mould 7 and couch roll 9；Cylinder mould 7 to be columnar structured, by cylinder mould fixed seat and
Bearing is mounted on main stand 16；Couch roll 9 is mounted on by couch roll fixed seat 8 and bearing on couch roll arm 10, the couch roll arm
10 are mounted on by couch roll arm axis pin on main stand 16.Couch roll 9 is close on the outer wall of cylinder mould 7, and woollen blanket is from couch roll 9 and net
Pass through between cage 7.
Cylinder mould 7 is stainless steel cylinder mould, is made of backing wire and outer net.Wherein, the effect of backing wire is to make wire side smooth and scattered
The pressure of couch roll 9, outer net mainly allow the slurry flowed through to be further dehydrated, are easily formed mixed slab, due to cylinder mould 7 and woollen blanket it
Between squeezing action, moisture can be made therefrom to depart from.
To ensure the uniformity of flatness and each several part attribute of the wet mat when leaving cylinder mould, the central shaft of couch roll 9 with
The central shaft of cylinder mould 7 needs to be arranged in parallel, and the plane where 7 central shaft of 9 central shaft of couch roll and cylinder mould and the folder between horizontal plane
Angle is -45 °~167.75 °.
In the present embodiment, the plane where 7 central shaft of 9 central shaft of couch roll and cylinder mould and the angle between horizontal plane are elected as
100.78°。
At least one first sluicing pipe 6 is also set up near cylinder mould 7, cylinder mould 7 is cleaned.9 central shaft of couch roll with
When plane where 7 central shaft of cylinder mould and the angle between horizontal plane are 100.78 °, the first sluicing pipe 6 is arranged on the not hair of cylinder mould 7
The circular one side of blanket, the angle with horizontal plane are about 45 °, it is ensured that the dregs on cylinder mould 7 clean up.
Cloth device 14 is made in base press-forming machine 17 to the conveyer belt return phase setting between natural-dehydration area, and described
It makes cloth device 14 and second sluicing pipe 15 is nearby set, the dregs on woollen blanket are cleaned.
Tightening device 13 is also set up in conveyer belt return phase, for adjusting the position of some or multiple woollen blanket deflector rolls 2, so as to
Adjust the elastic of woollen blanket.
Cloth device 14 is being made to also setting up an arc dewatering box 5 between natural-dehydration area 3：Arc dewatering box 5 is in for section
Semicircular tubular construction, upper surface is sets the dewatering plate of the permeable hole of several dense arrangements, and the arc dewatering box 5
Bottom be connected with vacuum pump.
The vacuum degree of arc dewatering box 5, can be to the woollen blanket by the cleaning of the second sluicing pipe 15 than vaccum dewatering box higher
Carry out vacuum dehydration processing.
Fig. 2 is the front view of conveyer belt rate of tension regulating device provided in an embodiment of the present invention；Fig. 3 is the embodiment of the present invention
The left view of the conveyer belt rate of tension regulating device of offer.
As shown in Figures 2 and 3, which includes：1301, two sets of rack 1309, regulation motor
Screw-threaded shaft elevator 1304,1306, two nuts 1314 of interlocking bar and deflector roll 1307.
Two sets of screw-threaded shaft elevators 1304 are mounted on by lifting seat 1312 in rack 1309.Two sets of screw-threaded shaft elevators 1304
Between linked together by leading screw shaft coupling 1305 and interlocking bar 1306, realize rotate synchronously.
In two sets of screw-threaded shaft elevators 1304, wherein the input terminal installation screw-threaded shaft elevator belt of a set of screw-threaded shaft elevator 1304
Wheel 1303, the input terminal installation handwheel 1308 of another set of screw-threaded shaft elevator 1304.
Regulation motor 1301 is mounted in rack 1309, and installs motor pulley in the output terminal of regulation motor 1301
1302.It is connected between motor pulley 1302 and screw-threaded shaft elevator belt pulley 1303 by Type B V bands 1310.
The leading screw end of two sets of screw-threaded shaft elevators 1304 arranges vertically along the direction of rack 1309, leading screw and lifting seat 1312 it
Between connected by axle sleeve 1311.The end of leading screw is mounted on by bearing and bearing block 1316 in rack 1309.Two sets of leading screw liters
A nut 1314 is threadedly coupled on the leading screw of drop machine 1304 respectively, a lifting lug 1315 is set respectively on two nuts 1314,
And deflector roll 1307 is installed between two lifting lugs 1315.
Lifting cover 1313 outside the leading screw of two sets of screw-threaded shaft elevators 1304 is set, realizes the guarantor to screw-threaded shaft elevator 1304
Shield.
Pressure vacuum gauge on the vaccum dewatering box in the first vacuum dehydration area 4 is installed, and is set and pressure vacuum gauge and tune
Save the PLC controller that motor 1301 connects.
Fig. 4 is the regulation flow process schematic diagram of conveyer belt rate of tension adjusting method provided in an embodiment of the present invention.
Specially：PLC controller receives the conveyer belt pressure changing information that pressure vacuum gauge is sent, when pressure vacuum gauge is sent out
When the conveyer belt pressure changing information gone out changes, PLC controller controls to adjust motor 1301 and works, and passes through screw-threaded shaft elevator
1304 driving deflector rolls 1307 lift, and the conveyer belt pressure changing information that pressure vacuum gauge is sent are made to recover to preset value, so as to real
The rate of tension of existing conveyer belt is adjusted.
In addition, when conveyer belt tightens or adjust pine, controller Synchronization Control beats the motor acceleration or deceleration of cloth device 14, so as to
That realizes conveyer belt stablizes dehydration.
Manually-operated mode can also be used, the rate of tension of conveyer belt is adjusted by handwheel 1308.
The present invention is conveyer belt rate of tension using the conveyer belt pressure changing information sent of pressure vacuum gauge as value is referred to
The reference for providing a homeostasis is adjusted, and motor, driving deflector roll lifting, so as to fulfill conveyer belt are controlled to adjust by controller
Rate of tension is adjusted.
Using feedback element, by the way of fine tuning, it is rapid accurate to adjust, and is conducive to improve the service life of woollen blanket and takes off
The stability of water.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of conveyer belt rate of tension regulating device, which is characterized in that including：Rack, regulation motor, two sets of screw-threaded shaft elevators,
Interlocking bar, two nuts and deflector roll；
Two sets of screw-threaded shaft elevators are installed in the rack, and the regulation motor drives two sets of institutes by the interlocking bar
State screw-threaded shaft elevator synchronous rotation；
Two nuts are separately mounted on the leading screw of two sets of screw-threaded shaft elevators, in the drive of two sets of screw-threaded shaft elevators
The dynamic lower elevating movement for realizing synchronization；
The both ends of the deflector roll are separately mounted on two nuts, and conveyer belt bypasses the deflector roll；
The vaccum dewatering box being arranged below the conveyer belt is further included, the vacuum pressure on the vaccum dewatering box
Table and the controller being connected with the pressure vacuum gauge and the regulation motor.
2. conveyer belt rate of tension regulating device according to claim 1, which is characterized in that further include handwheel；The handwheel
It is connected with a set of screw-threaded shaft elevator, and the synchronous rotation of two sets of screw-threaded shaft elevators is realized by the interlocking bar.
3. conveyer belt rate of tension regulating device according to claim 1, which is characterized in that further include motor pulley, silk
Thick stick elevator belt pulley and belt；The motor pulley and the output shaft of the regulation motor are affixed, the screw-threaded shaft elevator
The input shaft of belt pulley and a set of screw-threaded shaft elevator is affixed, and the belt is mounted on the motor pulley and the leading screw
On elevator belt pulley.
4. conveyer belt rate of tension regulating device according to claim 1, which is characterized in that the screw-threaded shaft elevator passes through liter
It drops seat to be mounted in the rack, be connected between the screw-threaded shaft elevator and the interlocking bar by leading screw shaft coupling.
5. conveyer belt rate of tension regulating device according to claim 1, which is characterized in that the nut passes through lifting lug and institute
State deflector roll connection.
6. conveyer belt rate of tension regulating device according to claim 3, which is characterized in that the belt is Type B V bands.
7. conveyer belt rate of tension regulating device according to claim 1, which is characterized in that the screw-threaded shaft elevator is SWL
Serial screw-threaded shaft elevator.
8. conveyer belt rate of tension regulating device according to claim 1, which is characterized in that further include bearing block and lifting
Cover；The bearing block is mounted in the rack, and the leading screw end of the screw-threaded shaft elevator is mounted on the bearing by bearing
On seat；The leading screw of the screw-threaded shaft elevator and the nut are wrapped in interior by the lifting cover.
9. a kind of adjusting method based on claim 1~8 any one of them conveyer belt rate of tension regulating device, special
Sign is that the controller receives the conveyer belt pressure changing information that the pressure vacuum gauge is sent, when the pressure vacuum gauge
When the conveyer belt pressure changing information sent changes, the controller controls the regulation motor work, passes through the silk
Deflector roll described in thick stick elevator drives lifts, and the conveyer belt pressure changing information that the pressure vacuum gauge is sent is made to recover to default
Value is adjusted so as to fulfill the rate of tension of conveyer belt.
10. adjusting method according to claim 9, which is characterized in that further include auxiliary for conveyer belt dehydration
It makes cloth device and makes cloth device motor；When the conveyer belt tightens or adjust pine, cloth device motor is made described in the controller Synchronization Control
Acceleration or deceleration stablizes dehydration so as to fulfill the conveyer belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610150678.7A CN105617747B (en) | 2016-03-16 | 2016-03-16 | Conveyer belt rate of tension regulating device and adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610150678.7A CN105617747B (en) | 2016-03-16 | 2016-03-16 | Conveyer belt rate of tension regulating device and adjusting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105617747A CN105617747A (en) | 2016-06-01 |
| CN105617747B true CN105617747B (en) | 2018-05-18 |
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ID=56033326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610150678.7A Active CN105617747B (en) | 2016-03-16 | 2016-03-16 | Conveyer belt rate of tension regulating device and adjusting method |
Country Status (1)
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| CN (1) | CN105617747B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009948A (en) * | 2019-09-17 | 2020-12-01 | 安徽同力科技发展有限公司 | Conveyor belt convenient to clean and capable of being tensioned |
| CN110561787B (en) * | 2019-09-19 | 2020-12-15 | 常州新创航空科技有限公司 | Composite material prepreg hot-molding preforming frame |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277401Y (en) * | 1996-10-23 | 1998-04-01 | 任宇齐 | Bucket elevator |
| CN201713061U (en) * | 2010-06-07 | 2011-01-19 | 泰山石膏股份有限公司 | Belt tensioning device |
| CN203272646U (en) * | 2013-05-23 | 2013-11-06 | 江苏子田机械有限公司 | Transmission tension device of rice huller belt |
| CN204508008U (en) * | 2015-04-01 | 2015-07-29 | 葛洲坝集团水泥有限公司 | A kind of cement producing line is with the belt conveyor of tightening device |
| CN205495098U (en) * | 2016-03-16 | 2016-08-24 | 柳州市杰特建材有限责任公司 | Conveyer belt rate of tension adjusting device |
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2016
- 2016-03-16 CN CN201610150678.7A patent/CN105617747B/en active Active
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| CN105617747A (en) | 2016-06-01 |
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