CN104176439A - Multifunctional conveying device - Google Patents
Multifunctional conveying device Download PDFInfo
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- CN104176439A CN104176439A CN201410446546.XA CN201410446546A CN104176439A CN 104176439 A CN104176439 A CN 104176439A CN 201410446546 A CN201410446546 A CN 201410446546A CN 104176439 A CN104176439 A CN 104176439A
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- belt
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Abstract
Disclosed is a multifunctional conveying device. The multifunctional conveying device comprises a crawler chassis assembly, a walking wheel assembly and a belt conveying assembly. The belt conveying assembly is a length-adjustable belt conveyer, the crawler chassis assembly and the walking wheel assembly are arranged in tandem, the front end of the belt conveying assembly is connected to the turntable of the crawler chassis through a horizontal first pin, the rear end of the belt conveying assembly is movably connected to the vehicle frame of the walking wheel assembly through a pair of hydraulic cylinders, and the walking wheel assembly drives corresponding wheels to rotate at 90 degrees in an opposite direction through a second oil cylinder to achieve steering of the wheels. By means of full hydraulic driving, the multifunctional conveying device obtains good power performance and accordingly can meet the requirements on high load, thereby being widely applied to the fields of mines, docks and the like where bulk loading of ore, crop and the like is required.
Description
Technical field
This scheme relates to a kind of feedway of movable type, specifically a kind of multi-functional feedway.
Background technology
In mine, the occasion that need to transport bulk cargo such as harbour, grain depot, the load transfer device using at present mainly contains two kinds, and a kind of is fixed band conveyor, and a kind of is portable band conveyor, wherein portable band conveyor, due to use, conveniently moving, uses more.But current portable belt conveyer function singleness, generally only has mobile function, turns to underaction.For example, in the patent scheme that Chinese patent 2013203856039 is announced, just comprise crawler belt, road wheel and belt conveyor, this band conveyor only has mobile function, turns to and regulate very trouble.For another example a kind of scheme that Chinese patent 2012203316479 is announced, comprise conveyer and wheel, and conveyer is longer, adopt second belt to extend, but it is larger to take volume, can not regulate length.
Be necessary to develop a kind of multi-functional feedway for this reason.
Summary of the invention
For above problem, a multi-functional feedway, is first a kind ofly can conveniently advance, retreat, the feedway of original place rotation, secondly, a kind of telescopic device, can be so that Belt Conveying distance be adjustable, and as far as possible compact in structure, the 3rd, be a kind of all hydraulic device, high-performance adjusting can be provided, and then support on-line control.
The technical solution adopted for the present invention to solve the technical problems is: a kind of multi-functional feedway, comprise crawler body assembly, road wheel assembly and Belt Conveying assembly, and it is characterized in that,
Described Belt Conveying assembly is a length-adjustable band conveyor,
Described crawler body assembly and road wheel assembly are one in front and one in back arranged, and the front end of described Belt Conveying assembly is connected on the rotating disk of described crawler body by the first bearing pin of a horizontality, described Belt Conveying assembly rear end is flexibly connected with the vehicle frame in road wheel assembly by pair of hydraulic cylinders
Described road wheel assembly comprises vehicle frame, chassis, wheel and the second oil cylinder, what described wheel can rotate along vertical pivot by L shaped pivoted arm is connected on chassis, the second bearing pin by a horizontality between described vehicle frame and chassis is flexibly connected, a rocking arm is installed respectively on each pivoted arm, and second oil cylinder is installed between described rocking arm and chassis, two the second oil cylinders are symmetrical arranged, the wheel corresponding by the second hydraulic oil cylinder driving rotates 90 round about, realizes turning to of wheel.
Further, described wheel is hydraulic-driven wheel.
Further, described Belt Conveying assembly comprises main frame, subframe, belt and belt pulley, in the main frame being welded to form by some shaped steel, be provided with one for the space of subframe is installed, and described subframe is taken turns and is slidably arranged in described space by straight-line guidance
In the turning point, two ends of described main frame and subframe, one group of belt pulley is set respectively, and at least one group of expansion tightening wheel that belt pulley is position-adjustable, described belt forms a structure that head and the tail are closed after walking around successively each belt pulley, and one of them belt pulley is rotated by fluid motor-driven, and on the driving surface of described main frame and subframe, be provided with many group idler assemblies
In the inside, described main frame one end away from subframe, be provided with an actuating device, described actuating device chain drive-belt mechanism, the sprocket wheel that turns to that the chain two ends in described link chain mechanism are connected on described subframe and in link chain mechanism is arranged on described main frame.
Further, described actuating device is a kind of in HM Hydraulic Motor or electrical motor.
Further, described idler assembly comprises bedframe and carrying roller, it is characterized in that, described bedframe is by crossbeam, the first bracket and the second bracket form, the first bracket that is A font by two sections in the middle of the crossbeam that two angle bar that are arranged symmetrically with form connects into a rectangular frame, and second bracket is fixed by strut member respectively in the two ends at crossbeam, and described the second bracket is obliquely installed to the inside, and on the first bracket and the second bracket, be respectively equipped with for the draw-in groove of carrying roller is installed, and the draw-in groove degree of depth on the first bracket will meet: when carrying roller is placed in draw-in groove, the height point of carrying roller is not less than the high point of crossbeam.
Further, the draw-in groove degree of depth on described the first bracket will meet: when carrying roller is placed in draw-in groove, the low spot of carrying roller and the low spot of crossbeam maintain an equal level.
Further, the draw-in groove degree of depth on described the first bracket will meet: when carrying roller is placed in draw-in groove, the low spot of carrying roller is lower than the low spot of crossbeam, and the height of carrying roller point portion is higher than the high point of crossbeam.
Further, on described crossbeam, being provided with mounting hole, further, is strip hole.
Further, described strut member is to be the angle steel of being inverted V-arrangement.
Further, the intilted angle of described the second bracket is 20 degree.
Further, described crawler body assembly is hydraulically powered crawler vehicle chassis.
The invention has the beneficial effects as follows: there is following functional effect:
1, Belt Conveying components can extend and shorten, and for different transport vehicles, adjusts, applied widely.
2, Belt Conveying components can circumferentially rotate around crawler body, can meet the switching loading operation of different vehicle.
3, full hydraulic drive, has good tractive performance, can meet the needs of large carrying, and being widely used in mine, harbour etc. need to be in the loading field of the bulk goods such as ore, grain.
Accompanying drawing explanation
Fig. 1 front view of the present invention.
Fig. 2 is another state of Fig. 1.
Fig. 3 is road wheel assembly front view.
Fig. 4 is road wheel assembly plan view.
Fig. 5 is the steering angle of Fig. 4.
Fig. 6 is walking states of the present invention.
Fig. 7 is steering state of the present invention.
Fig. 8 is the elongation state figure of belt.
Fig. 9 is the birds-eye view of Fig. 8.
Load-transfer device winding structure principle schematic when Figure 10 is elongation.
Load-transfer device winding structure principle schematic when Figure 11 is retraction.
Figure 12 is belt retraction structure figure.
Figure 13 is B--B cutaway view in Fig. 5.
Figure 14 is A--A cutaway view in Fig. 5.
Figure 15 is the block diagram of idler assembly.
Figure 16 is the front view of idler assembly.
Figure 17 is the dismounting schematic diagram of idler assembly.
In figure: 1 crossbeam, 11 strip holes, 21 first brackets, 22 second brackets, 23 strut members, 3 draw-in grooves, 4 carrying rollers, 5 belts, 51 belt pulleys, 61 main frames, 62 subframes, 63 track adjusting wheels, 64 CD-ROM drive motor, 65 chains, 66 turn to sprocket wheel, 7 crawler body assemblies, 71 rotating disks, 8 road wheel assemblies, 81 first bearing pins, 82 hydraulic actuating cylinders, 83 vehicle frames, 84 chassis, 85 wheels, 86 pivoted arms, 87 second bearing pins, 88 rocking arms, 89 second oil cylinders.
The specific embodiment
As shown in Fig. 1 to Figure 16,
A multi-functional feedway, comprises crawler body assembly, road wheel assembly and Belt Conveying assembly, respectively it is described in detail below, so that those skilled in the art can fully understand the present invention, but does not form the restriction to invention protection domain.
Described Belt Conveying assembly is a length-adjustable band conveyor, comprises main frame, subframe, belt, belt pulley, HM Hydraulic Motor, chain structure and idler assembly.
Main frame 61 and subframe 62, it is all a kind of framework with three-D space structure that adopts shaped steel welding to form, integral body is cuboid frame-like, wherein, in main frame, be provided with one for the space of subframe is installed, subframe 62 is taken turns 63 by straight-line guidance and is slidably arranged in described space, and under the effect of extraneous propulsive effort, subframe can extend or shorten along flexible direction.
The flexible power of subframe 62 comes from a link chain mechanism, concrete, in described main frame 61 inside, one end away from subframe, be provided with a CD-ROM drive motor 64, in CD-ROM drive motor 64 chain drive-belt mechanisms, chain 65 two ends in link chain mechanism are connected on described subframe, and the sprocket wheel 66 that turns in link chain mechanism is arranged on described main frame, forms an annular winding, chain can draw subframe and extends or shorten like this, as shown in Figure 1 and Figure 5.
And on the driving surface of described main frame and subframe, be provided with many group idler assemblies, idler assembly is compact, comprises bedframe and carrying roller, shown in Figure 15-Figure 17.Bedframe is comprised of crossbeam 1, the first bracket 21 and the second bracket 22, wherein, crossbeam 1 adopts angle bar to make, be arranged symmetrically with, the first bracket 21 that is A font by two sections in the middle of crossbeam 1 connects into a rectangular frame, is H type, and on crossbeam, offers strip hole 11, for fixed orifice, by bolt, whole framework can be fixed in the frame of conveyer.Wherein, the height of the first bracket 21 is suitable with horizontal depth of beam, and by strut member 23, fixes second bracket 22 respectively at the two ends of crossbeam, and bracing frame is angle steel, is inverted V-arrangement and arranges.And the second bracket is obliquely installed to the inside, the second bracket 22 adopts channel-section steel bending to form, and has the bending angle of about 20 degree, and is respectively equipped with for the draw-in groove 3 of carrying roller is installed on the first bracket 21 and the second bracket 22.The form that the main shaft at carrying roller 4 places can be put by card is fixed in draw-in groove, form one and fix, and the draw-in groove degree of depth on the first bracket will meet: when carrying roller 4 is placed in draw-in groove, the height of carrying roller 4 point is not less than the high point of crossbeam.Further, the draw-in groove degree of depth on described the first bracket will meet: when carrying roller is placed in draw-in groove, the low spot of carrying roller and the low spot of crossbeam maintain an equal level, as shown in Figure 2.
In the bottom of Belt Conveying assembly, be provided with the hopper of a collection material, for collection material upwards conveying, upper end is discharge end, directly stretches into the vehicle of waiting for entrucking.
As another exercisable mode, the draw-in groove degree of depth on described the first bracket will meet: when carrying roller is placed in draw-in groove, the low spot portion of carrying roller is lower than the low spot of crossbeam, and the height point of carrying roller is higher than the high point of crossbeam.This pattern also can meet the object of the placement of belt 5 on carrying roller.
Highs and lows in above-mentioned carrying roller has all obtained maximum compression, so the simplification of this idler assembly in short transverse especially can be used in installing space is had in collapsible, the Extendible belt conveyer of strict demand.
In the turning point, two ends of described main frame and subframe, one group of belt pulley 51 is set respectively, and at least one group of expansion tightening wheel that belt pulley is position-adjustable, described 5 belts form a structure that head and the tail are closed after walking around successively each belt pulley and idler assembly, and a belt pulley is rotated by fluid motor-driven therein, driving hypodermis band in HM Hydraulic Motor turns round, for the conveying of material.
Crawler body assembly 7 and road wheel assembly 8 are one in front and one in back arranged, and the front end of described Belt Conveying assembly passes through the first bearing pin 81 slip-knots of a horizontality on the rotating disk 71 of described crawler body assembly, can rotate along above-below direction, regulate its angle of inclination.Belt Conveying assembly rear end is flexibly connected with the vehicle frame 83 in road wheel assembly by pair of hydraulic cylinders 82, is a power part, for adjusting angle, carries out lifting.
Road wheel assembly comprises vehicle frame 83, chassis 84, wheel 85 and driving hydraulic actuating cylinder 82, and wheel is hydraulic-driven wheel, has HM Hydraulic Motor in wheel, uses hydraulic coupling to carry out hydraulic-driven.The slip-knot that wheel 85 can rotate along vertical pivot by pivoted arm 86 is on chassis 84, pivoted arm 86 is L-type structures, the second bearing pin 87 by a horizontality between vehicle frame and chassis carries out slip-knot, when pavement roughness, can regulate voluntarily, makes Belt Conveying assembly keep balance.
For road wheel assembly 8 can circumferentially be rotated along crawler body assembly, center of turn is the center of gyration of rotating disk 71, a rocking arm 88 is installed respectively on each pivoted arm, and second oil cylinder 89 is installed respectively between described rocking arm and chassis, come that second oil cylinder to be symmetrical arranged, the wheel corresponding by the second hydraulic oil cylinder driving rotates 90 degree round about, realize turning to of wheel, then wheel rotates under the driving of HM Hydraulic Motor, make the dial rotation of Belt Conveying assembly in crawler body assembly, carry out angular adjustment, with reference to figure 7.
Have two kinds of mobile statuss, state one, carries out the movement of fore-and-aft direction, as shown in Figure 6, and state and carry out circumferential rotation, as shown in Figure 7.
Embodiment recited above is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; relevant technical staff in the field, to various distortion of the present invention and improvement, all should expand in protection domain as determined in the claims in the present invention book.
Claims (10)
1. a multi-functional feedway, comprises crawler body assembly, road wheel assembly and Belt Conveying assembly, it is characterized in that,
Described Belt Conveying assembly is a length-adjustable band conveyor,
Described crawler body assembly and road wheel assembly are one in front and one in back arranged, and the front end of described Belt Conveying assembly is connected on the rotating disk of described crawler body by the first bearing pin of a horizontality, described Belt Conveying assembly rear end is flexibly connected with the vehicle frame in road wheel assembly by pair of hydraulic cylinders
Described road wheel assembly comprises vehicle frame, chassis, wheel and the second oil cylinder, what described wheel can rotate along vertical pivot by L shaped pivoted arm is connected on described chassis, the second bearing pin by a horizontality between described vehicle frame and chassis is flexibly connected, and a rocking arm is installed respectively on each pivoted arm, and second oil cylinder is installed between rocking arm and chassis described in each, two the second oil cylinders are symmetrical arranged, and the wheel corresponding by the second hydraulic oil cylinder driving rotates 90 round about.
2. a kind of multi-functional feedway according to claim 1, it is characterized in that, described Belt Conveying assembly comprises main frame, subframe, belt and belt pulley, in the main frame being welded to form by some shaped steel, be provided with one for the space of subframe is installed, and described subframe is taken turns and is slidably arranged in described space by straight-line guidance
In the turning point, two ends of described main frame and subframe, one group of belt pulley is set respectively, and at least one group of expansion tightening wheel that belt pulley is position-adjustable, described belt forms a structure that head and the tail are closed after walking around successively each belt pulley, and one of them belt pulley is rotated by fluid motor-driven, on the driving surface of described main frame and subframe, be provided with many group idler assemblies
In the inside, described main frame one end away from subframe, be provided with an actuating device, described actuating device chain drive-belt mechanism, the sprocket wheel that turns to that the chain two ends in described link chain mechanism are connected on described subframe and in link chain mechanism is arranged on described main frame.
3. a kind of multi-functional feedway according to claim 2, is characterized in that, described actuating device is a kind of in HM Hydraulic Motor or electrical motor.
4. a kind of multi-functional feedway according to claim 2, it is characterized in that, described idler assembly comprises bedframe and carrying roller, it is characterized in that, described bedframe is by crossbeam, the first bracket and the second bracket form, the first bracket that is A font by two sections in the middle of the crossbeam that two angle bar that are arranged symmetrically with form connects into a rectangular frame, and second bracket is fixed by strut member respectively in the two ends at crossbeam, and described the second bracket is obliquely installed to the inside, and on the first bracket and the second bracket, be respectively equipped with for the draw-in groove of carrying roller is installed, and the draw-in groove degree of depth on the first bracket will meet: when carrying roller is placed in draw-in groove, the height point of carrying roller is not less than the high point of crossbeam.
5. a kind of multi-functional feedway according to claim 4, is characterized in that, the draw-in groove degree of depth on described the first bracket will meet: when carrying roller is placed in draw-in groove, the low spot of carrying roller and the low spot of crossbeam maintain an equal level.
6. a kind of multi-functional feedway according to claim 4, is characterized in that, the draw-in groove degree of depth on described the first bracket will meet: when carrying roller is placed in draw-in groove, the low spot of carrying roller is lower than the low spot of crossbeam, and the height of carrying roller point portion is higher than the high point of crossbeam.
7. a kind of multi-functional feedway according to claim 4, is characterized in that, on described crossbeam, is provided with mounting hole.
8. a kind of multi-functional feedway according to claim 4, is characterized in that, described strut member is to be the angle steel of being inverted V-arrangement.
9. a kind of multi-functional feedway according to claim 1, is characterized in that, described crawler body assembly is hydraulically powered crawler vehicle chassis.
10. a kind of multi-functional feedway according to claim 1, is characterized in that, described wheel is hydraulic-driven wheel.
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|---|---|---|---|
| CN201410446546.XA CN104176439A (en) | 2014-09-04 | 2014-09-04 | Multifunctional conveying device |
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| CN201410446546.XA CN104176439A (en) | 2014-09-04 | 2014-09-04 | Multifunctional conveying device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104670913A (en) * | 2014-12-30 | 2015-06-03 | 无锡三和重工机械有限公司 | Movable soil feeder capable of being used under complicated work conditions |
| CN106865251A (en) * | 2017-03-02 | 2017-06-20 | 太原科技大学 | A kind of crawler-type mobile dummy car |
| CN107973081A (en) * | 2017-12-29 | 2018-05-01 | 新乡市振英机械设备有限公司 | A kind of moveable belt type conveyer |
| CN108190382A (en) * | 2018-01-16 | 2018-06-22 | 山推建友机械股份有限公司 | A kind of Full-hydraulic crawler-type self walks conveying equipment |
| CN109362321A (en) * | 2018-12-13 | 2019-02-22 | 代作品 | Self-propelled sugar beet pickup machine |
| CN111592622A (en) * | 2019-02-21 | 2020-08-28 | 天水师范学院 | Method and device for preparing early-strength polycarboxylate superplasticizer |
| CN111592269A (en) * | 2019-02-21 | 2020-08-28 | 天水师范学院 | Method and device for synthesizing polycarboxylate superplasticizer through multi-copolymerization |
| CN111592623A (en) * | 2019-02-21 | 2020-08-28 | 天水师范学院 | Method and device for preparing anti-mud polycarboxylate superplasticizer |
| CN111592263A (en) * | 2019-02-21 | 2020-08-28 | 天水师范学院 | Synthesis process and device of retarding polycarboxylate superplasticizer |
| CN111592624A (en) * | 2019-02-21 | 2020-08-28 | 天水师范学院 | Method and device for preparing general comprehensive polycarboxylate superplasticizer |
| CN111592265A (en) * | 2019-02-21 | 2020-08-28 | 天水师范学院 | Method and device for preparing slump-retaining type polycarboxylate superplasticizer |
| CN113562388A (en) * | 2020-04-29 | 2021-10-29 | 北京京东振世信息技术有限公司 | Cargo lifting device and cargo lifting method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB867302A (en) * | 1958-02-01 | 1961-05-03 | Mining Engineering Co Ltd | Improvements relating to conveyors for mines |
| US3825107A (en) * | 1971-07-26 | 1974-07-23 | M Mahacek | Extendible conveyor system |
| CN201358066Y (en) * | 2009-02-23 | 2009-12-09 | 徐水龙 | Friction traction telescopic rubber belt conveyor |
| CN201458234U (en) * | 2009-07-09 | 2010-05-12 | 湖州银轴输送机械制造有限公司 | Telescopic belt conveyor |
| CN201810340U (en) * | 2010-10-20 | 2011-04-27 | 李文秋 | Mining belt conveyer load bearing frame and load bearing part using same |
| CN102700947A (en) * | 2012-06-29 | 2012-10-03 | 北方重工集团有限公司 | Simple earth dumping machine |
| CN203345674U (en) * | 2013-07-01 | 2013-12-18 | 唐山冀东装备工程股份有限公司 | Movable belt conveying device |
| CN103693376A (en) * | 2013-12-23 | 2014-04-02 | 大连佳林设备制造有限公司 | Rotary elevation retractable belt conveyer |
| CN204096478U (en) * | 2014-09-04 | 2015-01-14 | 济南骏翔矿山机械制造有限公司 | A kind of multi-functional feedway |
-
2014
- 2014-09-04 CN CN201410446546.XA patent/CN104176439A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB867302A (en) * | 1958-02-01 | 1961-05-03 | Mining Engineering Co Ltd | Improvements relating to conveyors for mines |
| US3825107A (en) * | 1971-07-26 | 1974-07-23 | M Mahacek | Extendible conveyor system |
| CN201358066Y (en) * | 2009-02-23 | 2009-12-09 | 徐水龙 | Friction traction telescopic rubber belt conveyor |
| CN201458234U (en) * | 2009-07-09 | 2010-05-12 | 湖州银轴输送机械制造有限公司 | Telescopic belt conveyor |
| CN201810340U (en) * | 2010-10-20 | 2011-04-27 | 李文秋 | Mining belt conveyer load bearing frame and load bearing part using same |
| CN102700947A (en) * | 2012-06-29 | 2012-10-03 | 北方重工集团有限公司 | Simple earth dumping machine |
| CN203345674U (en) * | 2013-07-01 | 2013-12-18 | 唐山冀东装备工程股份有限公司 | Movable belt conveying device |
| CN103693376A (en) * | 2013-12-23 | 2014-04-02 | 大连佳林设备制造有限公司 | Rotary elevation retractable belt conveyer |
| CN204096478U (en) * | 2014-09-04 | 2015-01-14 | 济南骏翔矿山机械制造有限公司 | A kind of multi-functional feedway |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104670913A (en) * | 2014-12-30 | 2015-06-03 | 无锡三和重工机械有限公司 | Movable soil feeder capable of being used under complicated work conditions |
| CN106865251A (en) * | 2017-03-02 | 2017-06-20 | 太原科技大学 | A kind of crawler-type mobile dummy car |
| CN107973081A (en) * | 2017-12-29 | 2018-05-01 | 新乡市振英机械设备有限公司 | A kind of moveable belt type conveyer |
| CN108190382A (en) * | 2018-01-16 | 2018-06-22 | 山推建友机械股份有限公司 | A kind of Full-hydraulic crawler-type self walks conveying equipment |
| CN109362321A (en) * | 2018-12-13 | 2019-02-22 | 代作品 | Self-propelled sugar beet pickup machine |
| CN109362321B (en) * | 2018-12-13 | 2024-05-14 | 代作品 | Self-propelled beet pick-up machine |
| CN111592263A (en) * | 2019-02-21 | 2020-08-28 | 天水师范学院 | Synthesis process and device of retarding polycarboxylate superplasticizer |
| CN111592623A (en) * | 2019-02-21 | 2020-08-28 | 天水师范学院 | Method and device for preparing anti-mud polycarboxylate superplasticizer |
| CN111592269A (en) * | 2019-02-21 | 2020-08-28 | 天水师范学院 | Method and device for synthesizing polycarboxylate superplasticizer through multi-copolymerization |
| CN111592624A (en) * | 2019-02-21 | 2020-08-28 | 天水师范学院 | Method and device for preparing general comprehensive polycarboxylate superplasticizer |
| CN111592265A (en) * | 2019-02-21 | 2020-08-28 | 天水师范学院 | Method and device for preparing slump-retaining type polycarboxylate superplasticizer |
| CN111592622B (en) * | 2019-02-21 | 2022-06-10 | 天水师范学院 | Method and device for preparing early-strength polycarboxylate superplasticizer |
| CN111592265B (en) * | 2019-02-21 | 2022-06-10 | 天水师范学院 | Device for preparing slump-retaining type polycarboxylate water reducer |
| CN111592624B (en) * | 2019-02-21 | 2022-07-05 | 天水师范学院 | Method for preparing general comprehensive polycarboxylate superplasticizer |
| CN111592269B (en) * | 2019-02-21 | 2022-08-30 | 天水师范学院 | Method and device for synthesizing polycarboxylate superplasticizer through multi-copolymerization |
| CN111592622A (en) * | 2019-02-21 | 2020-08-28 | 天水师范学院 | Method and device for preparing early-strength polycarboxylate superplasticizer |
| CN113562388A (en) * | 2020-04-29 | 2021-10-29 | 北京京东振世信息技术有限公司 | Cargo lifting device and cargo lifting method |
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Application publication date: 20141203 |