CN201800123U - Vertical stirring device - Google Patents
Vertical stirring device Download PDFInfo
- Publication number
- CN201800123U CN201800123U CN2010202376045U CN201020237604U CN201800123U CN 201800123 U CN201800123 U CN 201800123U CN 2010202376045 U CN2010202376045 U CN 2010202376045U CN 201020237604 U CN201020237604 U CN 201020237604U CN 201800123 U CN201800123 U CN 201800123U
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- Prior art keywords
- shaft
- agitating device
- blade
- vertical agitating
- stirring
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- 238000003756 stirring Methods 0.000 title abstract description 23
- 238000002156 mixing Methods 0.000 claims description 38
- 238000002224 dissection Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000027455 binding Effects 0.000 claims description 7
- 238000009739 binding Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 28
- 239000004570 mortar (masonry) Substances 0.000 description 20
- 239000000203 mixture Substances 0.000 description 9
- 239000004568 cement Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000010426 asphalt Substances 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000026676 system process Effects 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The utility model provides a vertical stirring device. The vertical stirring device comprises a stirring drum (1), a driving device (2), a stirring shaft (3) driven by the driving device to rotate and extend into the stirring drum, and a stirring paddle (4) mounted on the stirring shaft, wherein the stirring paddle comprises a shaft sleeve (5) and a blade (6) fixed on the shaft sleeve; and the shaft sleeve adopts a split type shaft sleeve composed of two semi shaft sleeves which are clamped on the stirring shaft, butted with each other and fastened on the stirring shaft through fasteners. By adopting the split type shaft sleeve, the shaft sleeve can be mounted on and dismounted from the stirring shaft very conveniently through fasteners, so that different types of stirring paddles can be replaced according to different types of sand pulps, and the function of multipurpose is achieved conveniently; and meanwhile, when the stirring paddle is replaced easily when damaged, so that the maintenance is convenient and the work efficiency is improved.
Description
Technical field
The utility model relates to a kind of Mixing Machine, particularly, relates to a kind of vertical agitating device, this vertical agitating device asphalt mortar, bituminous mortar (CA mortar) that for example can be used to mix cement.
Background technology
Agitating device is used to mix the various materials of system, is widely used in every field, for example can be used for mixing system cement concrete, bituminous concrete, cement asphalt mortar or the like.
In recent years, continuous development along with high-speed railway, the high speed traveling track has proposed very high requirement to basalis (for example roadbed, the substrate of bridge structures, the substrate of tunnel construction thing) and railway roadbed, and for guaranteeing the stiff stability and the high ride of track, the plate-type slag-free orbit construction technology is arisen at the historic moment.This novel track structure has fundamentally been cancelled the sleeper and the railway roadbed of conventional rails, use directly supporting rail of prefabricated armoured concrete slab (also claiming the track plate) instead, and between track plate and base (concrete base slab of building on the basalis) a kind of special cement asphalt mortar of filling (CA mortar), this mortar can replace the function of ballast aggregate, in train operation, play stable and buffering effect, guarantee stationarity and security that bullet train travels, and can improve the durability that the track plate uses.
Cement asphalt mortar normally stirs cement, sand, water, emulsified asphalt and the various additive (also can be referred to as additive, as water reducer, defoamer etc.) that measures by agitating device and forms.Because performance indications such as the uniformity of mortar, flowability and air content require very strict, and the structure and the operation principle of the agitating device of these performance indications and employing have direct relation, therefore, in the plate-type slag-free orbit construction, selecting for use of agitating device is extremely important.
In the prior art, be example with the agitating device of the asphalt mortar, bituminous mortar that is used to mix cement, it mainly comprises two kinds of main types, promptly horizontal agitating device and vertical agitating device.
Horizontal agitating device is meant that shaft is horizontally disposed, drives mixing arm and paddle and stirs the stirring mortar up and down.Shaft wherein can be a single shaft, also can be twin shaft.Adopt at shaft under the situation of twin shaft, two shafts can be arranged side by side on the same horizontal plane, perhaps can also be arranged in up and down on the same vertical plane.CN101234512A discloses a kind of horizontal agitating device.The topmost shortcoming of horizontal agitating device is, mix in the slurry process in the shaft rotation, mixing arm and paddle can stretch out the mortar ingress of air by the shaft driven rotary time, form bubble in the mortar thereby a large amount of air can be brought into, thus the performance of appreciable impact mortar.
Vertical agitating device is meant that shaft is arranged vertically, and drives mixing arm and paddle and stir mortar in horizontal plane.Shaft can be a single shaft, also can be twin shaft or multiaxis.CN101537664A and CN201357511Y disclose the vertical agitating device of a kind of single shaft.CN101148070A discloses the vertical agitating device of a kind of multiaxis (also can be referred to as " vertical-type planetary agitating device ").The vertical agitating device structure of disclosed single shaft is simple relatively, but the mortar system of mixing is uneven, and efficient is low.Though it is relatively good that the vertical-type planetary agitating device is mixed the system effect, structure is very complicated, power consumption is big, and because amount of parts is numerous, can significantly increase manufacturing cost and maintenance cost.In addition, in most of agitating devices, the syndeton more complicated between paddle and the shaft makes paddle dismounting inconvenience.
In sum, though there is polytype agitating device in the prior art, there is complex structure mostly in these agitating devices, stirs deficiencies such as inequality, paddle dismounting inconvenience.
The utility model content
The purpose of this utility model provides a kind of vertical agitating device, and it can solve the deficiency of paddle dismounting inconvenience in the prior art at least, promptly in vertical agitating device of the present utility model, can carry out dismounting easily between paddle and the shaft.
In order to solve the problems of the technologies described above, the utility model provides a kind of vertical agitating device, this agitating device comprises mixing drum, drive unit, can be driven rotation and extend into the shaft in the described mixing drum and be installed in paddle on this shaft by this drive unit, wherein said paddle comprises axle sleeve and the blade that is fixed on the described axle sleeve, described axle sleeve forms the dissection type with two half-axile sleeves, described two half-axile sleeves are stuck in butt joint mutually on the described shaft, and are fastened on the described shaft by securing member.
Preferably, described securing member comprises fastening bolt, and the both sides of the mutual butt joint of described two half-axile sleeves have the binding that extends radially outward respectively, and the binding of facing in twos is fastening by described fastening bolt.
Wherein, described shaft is also circumferentially fixing by key with the axle sleeve that is fastened on the described shaft.
In the agitating device of the present utility model, described blade comprises upper strata blade, lower leave and shear plate, angle α between described upper strata blade and the process vertical plane of its longitudinal axis is 30 °～60 °, angle α ' between described lower leave and the process vertical plane of its longitudinal axis is 30 °～60 °, and described shear plate is vertically connected between the outer end of described upper strata blade and described lower leave.
Wherein, described upper strata blade and described lower leave comprise the even number blade of circumferentially uniformly-spaced arranging around described shaft respectively, and the incline direction that is positioned at two blades on the same horizontal line in every layer of blade is opposite, and the incline direction of two corresponding blades is identical or opposite up and down in described upper strata blade and the described lower leave.
The downside of each blade in described lower leave has scraper plate.
Preferably, the distance at make progress in week two adjacent scraper plates and described shaft does not wait.
Preferably, overlap in the position of two the adjacent scraper plates that make progress in week.
Preferably, on the madial wall of described mixing drum side shield is installed, the quantity of side shield is 4～10, and uniformly-spaced arranges on circumferentially.
Pass through technique scheme, because the axle sleeve of paddle forms dissection type, therefore can be installed on the shaft and easily by securing member and pull down, thereby can change dissimilar paddles, realize a tractor serves several purposes easily at dissimilar mortars from shaft.Simultaneously, when paddle damages, can easily change paddle, therefore maintain easily, improve work efficiency.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with the specific embodiment one of the present utility model, but does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the cross-sectional schematic according to the vertical agitating device of a kind of embodiment of the utility model;
Fig. 2 is the A-A cross-sectional schematic among Fig. 1;
Fig. 3 is the B-B cross-sectional schematic among Fig. 2;
Fig. 4 is the C-C cross-sectional schematic among Fig. 2;
Fig. 5 is that K among Fig. 4 is to schematic diagram;
Fig. 6 is the D-D cross-sectional schematic among Fig. 2.
Description of reference numerals
1 mixing drum, 11 charging apertures
2 drive units, 12 hose adapters
3 shafts, 13 water inlet pipes
4 paddles, 14 discharge valves
5 axle sleeves, 15 scavenge pipes
6 blades, 16 ventilating dust-arresters
7 fastening bolts, 17 first dodge gates
8 bindings, 18 second dodge gates
9 keys, 21 bearings
10 side shields, 61 upper strata blades
62 lower leaves, 63 shear plates
64 scraper plates, 101 bolts
102 installing plates
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
Vertical agitating device generally include vertical mixing drum 1 with from the top vertical vertical shaft 3 that is inserted in the mixing drum 1, paddle 4 is installed on the shaft 3.When work, shaft 3 drives rotation by drive unit 2 (motor that for example has decelerator), and it is even with the material mix in the mixing drum 1 to drive paddle 4.
At first the overall structure according to the vertical agitating device of a kind of embodiment of the utility model is briefly explained below with reference to Fig. 1.
As shown in Figure 1, this vertical agitating device mainly comprises mixing drum 1, drive unit 2, can be driven rotation and extend into the shaft 3 in the described mixing drum 1 and be installed in paddle 4 on this shaft 3 by this drive unit 2, described paddle 4 comprises axle sleeve 5 and the blade 6 that is fixed on the described axle sleeve 5, described axle sleeve 5 forms the dissection type with two half-axile sleeves, described two half-axile sleeves 5 are stuck in butt joint mutually on the described shaft 3, and are fastened on the described shaft 3 by securing member.
In addition, this vertical agitating device also comprises usually: charging aperture 11 is used for dry mash is added from the outside; Hose adapter 12, it connects described charging aperture 11, and dry mash is joined in the mixing drum 1; Water inlet pipe 13 is used for adding in mixing drum 1 mixing and makes the required water of material; Discharge valve 14, the bottom that it is arranged on mixing drum 1 usually is used to control the discharging of mixing the mortar that makes; Scavenge pipe 15 can be provided with rotatable nozzle on this scavenge pipe, and outside high-pressure pump pumps water to this scavenge pipe, by nozzle water under high pressure is ejected in the mixing drum equably, in all directions then, and mixing drum inside is thoroughly cleaned.In addition, Reference numeral 21 expression bearings are used for installing and supporting described drive unit 2.In addition, this vertical agitating device can also comprise ventilating dust-arrester 16, when adding materials in mixing drum 1 from charging aperture 11 and hose adapter 12, by the effective floating dust of filtering of this ventilating dust-arrester 16, improves working environment, avoids air pollution.
Below, will describe the structure of vertical agitating device of the present utility model in conjunction with the accompanying drawings in detail.
In existing agitating device, can in several ways paddle 4 be installed on the shaft 3, as welding, clamping, connect etc. by special connector.But most of mounting structures are more complicated, dismounting inconvenience all.
In agitating device of the present utility model, by the axle sleeve 5 that a kind of dissection type is provided, can easily paddle 4 be fixed firmly on the shaft 3, and can easily paddle 4 be dismantled from shaft 3 equally, thereby be convenient to safeguard, and make things convenient for the dismounting and the replacing of paddle 4.
As Fig. 1, Fig. 2 and shown in Figure 4, axle sleeve 5 forms the dissection type with two half-axile sleeves, and in the time of on being installed to shaft 3, two half-axile sleeves are engaged on the shaft 3 from the both sides of shaft 3 respectively, fastening by securing member then, can be installed to easily on the shaft 3.For two half-axile sleeves are fastened on the shaft 3, can adopt various suitable fasteners, for example fastening bolt, bearing pin, snap ring or the like.
As a kind of preferred embodiment, the both sides that two half-axile sleeves dock mutually have the binding 8 that extends radially outwardly respectively, and the binding of facing in twos 8 is fastening by fastening bolt 7.This fastening means structure is very simple, and axle sleeve 5 easy accessibility.
When work, blade 6 rotations that shaft 3 drives on axle sleeve 5 and the axle sleeve 5 are made material such as mortar to mix, and blade 6 can bear bigger resistance.Therefore, on shaft 3, relatively rotate, can also promptly realize axle sleeves 5 circumferentially fixing by key 9 further shaft 3 and the axle sleeves 5 of connecting with respect to shaft 3 by key 9 in order to prevent axle sleeve 5.Particularly, can offer keyway on two half-axile sleeves or on one of them half-axile sleeve, the correspondence position on shaft 3 is offered keyway equally simultaneously, and key 9 is inserted in the corresponding keyway, can realize axle sleeve 5 circumferentially fixing with respect to shaft 3.
As mentioned above, except fastening bolt 7, the securing member of axle sleeve 5 also can adopt in the prior art other realization means.For example, securing member can adopt snap ring, when two half-axile sleeve correspondences snap on the shaft 3, walks around two half-axile sleeves by snap ring, is fixed by the bolt or the bayonet socket of snap ring joint then.
Paddle 4 generally includes a plurality of blades 6, and these blades generally can be fixed on two half-axile sleeves 5 by means such as welding.
According to preferred embodiment a kind of, the utility model adopts a kind of combined blade.
As Fig. 1, Fig. 2, Fig. 4 and shown in Figure 6, this combined blade 6 comprises two-layer blade (upper strata blade 61 and lower leave 62) up and down, also comprises in addition being connected the shear plate 63 between the two-layer blade outer end up and down.
Two-layer up and down blade preferably is dihedral vane.As shown in Figure 6, the angle α between upper strata blade 61 and the process vertical plane of its longitudinal axis is preferably 30 °～60 °; Angle α ' between lower leave 62 and the process vertical plane of its longitudinal axis is preferably 30 °～60 °.In mixing the system process, this angle can make material realize axial fully and Radial Flow, guarantees that material mixes uniform.According to the needs of actual conditions, angle of inclination (being angle the α ') direction of the angle of inclination of upper strata blade 61 (being angle α) and lower leave 62 can be identical or opposite.That is to say that corresponding two-layer blade up and down can be parallel to each other, and perhaps forms " eight " font (promptly with respect to the horizontal plane mirror image between the two).
In addition, at one deck blade, wherein the quantity of blade can form even number, for example 4,6,8 or more a plurality of.The incline direction that is positioned at two relative blades of shaft 3 both sides preferably is set on the contrary, thereby makes material can roll up and down in mixing drum, mix uniform.
Mix in the system process at material, because the proportion difference of different material, some materials (for example sand material) tend to the bottom deposit to mixing drum 1, thereby influence the uniformity that material is mixed system.In order to address this problem, according to a kind of preferred implementation of the present utility model, scraper plate 64 can be set at the downside of lower leave 62, carry out mix so that the material that sinks swept again, realize the abundant stirring of material, improve the mix uniformity of material.
Can more be clear that as Fig. 5, be provided with a scraper plate 64 below each blade in lower leave 62, this scraper plate 64 can be vertically set on blade below.In order fully to stir the material of sinking, the distance that makes progress in week adjacent between two scraper plates 64 and the shaft 3 does not wait.More preferably, in a circumferential direction, adjacent two scraper plates 64 are overlapped.
Mix in the system process at material,, increase the air content of material because the stirring action of blade 6 may produce whirlpool, thereby produce bubble in material in mixing drum 1.In order to reduce or avoid the generation of whirlpool,, side shield 10 can be set on the madial wall of mixing drum 1 according to a kind of preferred implementation of the present utility model.As shown in Figure 3, side shield 10 can be installed on the madial wall of mixing drum 1 by securing member such as bolt 101 and installing plate 102.This side shield 10 can be strengthened the shear action to material, and the whirlpool that forms in minimizing or the elimination material is realized the abundant mix of material, and reduces the air content in the material.The quantity of side shield 10 can be 4～10, is preferably uniformly-spaced arranging on circumferentially on the madial wall of mixing drum 1.
In vertical agitating device of the present utility model, because paddle 4 can carry out dismounting easily on shaft 3, and side shield 10 also can carry out dismounting easily by securing member on the madial wall of mixing drum 1, therefore in actual use, by changing and the dissimilar paddle 4 of dismounting, and dissimilar and side shield 10 quantity, can stir dissimilar materials so that this vertical agitating device is applicable to, thereby can realize a tractor serves several purposes easily.
In addition, as depicted in figs. 1 and 2, for the ease of maintenance with safeguard and to be provided with dodge gate in the side of mixing drum 1 by vertical agitating device, for example be separately positioned on first dodge gate 17 and second dodge gate 18 of the relative both sides of mixing drum 1.For the ease of maintenance, these two dodge gates 17 and 18 preferably are arranged on the differing heights position of mixing drum 1.In addition, can be provided with handle on each dodge gate, to be easy to open.
Need to prove that each the concrete technical characterictic described in the above-mentioned specific embodiment can make up arbitrarily by any suitable manner, it falls within the scope disclosed in the utility model equally.In addition, also can make up arbitrarily between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.For example, combined blade can use together with scraper plate, combined blade can use together with side shield, scraper plate and side shield can use together, the axle sleeve of dissection type can use or the like together with fastening bolt and key, for fear of unnecessary repetition, no longer various feasible compound modes are launched explanation at this.
Below describe preferred implementation of the present utility model in conjunction with the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.For example, the fastening bolt of dissection type axle sleeve can be changed into and give fasteningly by snap ring, the quantity of dodge gate is changed, two or more a plurality of scraper plates or the like are set below each lower leave.All these simple modes of texturing all should be regarded as falling within the protection domain of the present utility model.
Claims (10)
1. vertical agitating device, this vertical agitating device comprises mixing drum (1), drive unit (2), can drive rotation and extend into the shaft (3) in the described mixing drum (1) and be installed in paddle (4) on this shaft (3) by this drive unit (2), it is characterized in that, described paddle (4) comprises axle sleeve (5) and is fixed on blade (6) on the described axle sleeve (5), described axle sleeve (5) forms the dissection type with two half-axile sleeves, described two half-axile sleeves are stuck in described shaft (3) and go up butt joint mutually, and are fastened on the described shaft (3) by securing member.
2. vertical agitating device according to claim 1, it is characterized in that, described securing member comprises fastening bolt (7), the both sides of the mutual butt joint of described two half-axile sleeves have the binding (8) that extends radially outward respectively, and the binding of facing in twos (8) is fastening by described fastening bolt (7).
3. vertical agitating device according to claim 2 is characterized in that, described shaft (3) and the axle sleeve (5) that is fastened on the described shaft (3) are also circumferentially fixing by key (9).
4. vertical agitating device according to claim 1, it is characterized in that, described blade (6) comprises upper strata blade (61), lower leave (62) and shear plate (63), angle α between described upper strata blade (61) and the process vertical plane of its longitudinal axis is 30 °～60 °, angle α ' between described lower leave (62) and the process vertical plane of its longitudinal axis is 30 °～60 °, and described shear plate (63) is vertically connected between the outer end of described upper strata blade and described lower leave.
5. vertical agitating device according to claim 4, it is characterized in that, described upper strata blade (61) and described lower leave (62) comprise the even number blade of circumferentially uniformly-spaced arranging around described shaft (3) respectively, and the incline direction that is positioned at two blades on the same horizontal line in every layer of blade is opposite, and the incline direction of two corresponding blades is identical or opposite up and down in described upper strata blade and the described lower leave.
6. vertical agitating device according to claim 5 is characterized in that, the downside of each blade in described lower leave (62) has scraper plate (64).
7. vertical agitating device according to claim 6 is characterized in that, does not wait in the distance of two scraper plates (64) that make progress in week adjacent with described shaft (3).
8. vertical agitating device according to claim 7 is characterized in that, overlaps in the position of two scraper plates (64) that make progress in week adjacent.
9. any described vertical agitating device in requiring according to aforesaid right is characterized in that, side shield (10) is installed on the madial wall of described mixing drum (1).
10. require 9 described vertical agitating devices according to aforesaid right, it is characterized in that, the quantity of described side shield (10) is 4～10, and uniformly-spaced arranges on circumferentially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202376045U CN201800123U (en) | 2010-06-23 | 2010-06-23 | Vertical stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202376045U CN201800123U (en) | 2010-06-23 | 2010-06-23 | Vertical stirring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201800123U true CN201800123U (en) | 2011-04-20 |
Family
ID=43869638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202376045U Expired - Fee Related CN201800123U (en) | 2010-06-23 | 2010-06-23 | Vertical stirring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201800123U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728261A (en) * | 2012-06-19 | 2012-10-17 | 无锡市优耐特石化装备有限公司 | Mortar stirring apparatus |
| WO2013107450A1 (en) * | 2012-01-20 | 2013-07-25 | Haarup Maskinfabrik A/S | A counterflow mixer for mixing concrete |
| CN105289375A (en) * | 2015-10-22 | 2016-02-03 | 无锡市恒达矿山机械有限公司 | Stirring device used for mine |
| CN108081458A (en) * | 2017-07-07 | 2018-05-29 | 惠安县南兴电子科技有限公司 | A kind of bridge construction device of practicality |
| CN112500790A (en) * | 2020-12-01 | 2021-03-16 | 朱舒畅 | Epoxy modified silicone resin coating and preparation method thereof |
-
2010
- 2010-06-23 CN CN2010202376045U patent/CN201800123U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013107450A1 (en) * | 2012-01-20 | 2013-07-25 | Haarup Maskinfabrik A/S | A counterflow mixer for mixing concrete |
| CN102728261A (en) * | 2012-06-19 | 2012-10-17 | 无锡市优耐特石化装备有限公司 | Mortar stirring apparatus |
| CN105289375A (en) * | 2015-10-22 | 2016-02-03 | 无锡市恒达矿山机械有限公司 | Stirring device used for mine |
| CN108081458A (en) * | 2017-07-07 | 2018-05-29 | 惠安县南兴电子科技有限公司 | A kind of bridge construction device of practicality |
| CN112500790A (en) * | 2020-12-01 | 2021-03-16 | 朱舒畅 | Epoxy modified silicone resin coating and preparation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410013 No. 361 South silver basin, Hunan, Changsha Patentee after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Address before: 410013 No. 361 South silver basin, Hunan, Changsha Patentee before: CHANGSHA ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20170623 |
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| CF01 | Termination of patent right due to non-payment of annual fee |