CN108265982A - Appts. for transferring ready-mixed concrete and its application construction method - Google Patents
Appts. for transferring ready-mixed concrete and its application construction method Download PDFInfo
- Publication number
- CN108265982A CN108265982A CN201711369577.XA CN201711369577A CN108265982A CN 108265982 A CN108265982 A CN 108265982A CN 201711369577 A CN201711369577 A CN 201711369577A CN 108265982 A CN108265982 A CN 108265982A
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- China
- Prior art keywords
- elephant trunk
- appts
- buffering section
- mixed concrete
- transferring ready
- Prior art date
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- Pending
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 241000406668 Loxodonta cyclotis Species 0.000 claims abstract description 115
- 230000003139 buffering effect Effects 0.000 claims abstract description 96
- 238000007599 discharging Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 2
- 230000001934 delay Effects 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005204 segregation Methods 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
Abstract
The present invention relates to a kind of appts. for transferring ready-mixed concrete and its application construction methods.The appts. for transferring ready-mixed concrete includes the first elephant trunk, the first buffering section, the second elephant trunk, the second buffering section and fixed frame, one end of first elephant trunk is equipped with lower hopper, first buffering section connect with the first elephant trunk and is connected with the first elephant trunk, second elephant trunk is connected with the first buffering section connection and with the first buffering section, second buffering section one end is connected with the second elephant trunk, the other end is equipped with discharge port, and fixed frame is sheathed on the first elephant trunk or the second elephant trunk and is connect with the first elephant trunk or the second elephant trunk.Above-mentioned appts. for transferring ready-mixed concrete makes full use of the downward kinetic energy of lazy flow concrete, and lazy flow concrete is made to convey downwards, while can control concrete flow velocity again and prevent concrete from segregation phenomenon occur.Therefore, above-mentioned appts. for transferring ready-mixed concrete be suitable for lazy flow concrete conveying and conveying effect it is good.The application construction method step of above-mentioned appts. for transferring ready-mixed concrete is simple and convenient to operate, suitable for promoting and applying.
Description
Technical field
The present invention relates to the realm of building construction, more particularly to appts. for transferring ready-mixed concrete and its application construction method.
Background technology
Concrete chute is mainly used for the downward delivering concrete under ground portion structure construction, and conveying speed can be with
Reach average 150m per hour3.Dead weight and the mobility of concrete is utilized in the mode of movement of this concrete, has construction
Conveniently, the advantages of low manufacture cost.
Common concrete chute is chiefly used in the under ground portion structure construction of new building, for example, being completed in excavation of foundation pit
Elephant trunk is set up by way of setting up chute stent afterwards, the gradient can be selected 1:2 (depth is within 20m) or 1:3 (depth exists
Between 20-30m).
However, when using above-mentioned elephant trunk delivering concrete, to avoid causing plugging and improving transfer efficiency, it is desirable that coagulation
The slump of soil is not less than 180mm, to ensure it with enough mobility.When the slump of concrete is less than 180mm, by
It is relatively low in the mobility of concrete, it is easy to cause caking and blocks chute.Therefore, above-mentioned elephant trunk can not meet slump and be less than
The conveying requirement of the concrete of 180mm.
Invention content
Based on this, it is necessary to the conveying requirement of concrete of the slump less than 180mm can not be met for above-mentioned elephant trunk
Problem provides a kind of appts. for transferring ready-mixed concrete and its application construction method that can be suitable for lazy flow concrete.
A kind of appts. for transferring ready-mixed concrete, including：
First elephant trunk, one end are equipped with lower hopper；
First buffering section, connect with first elephant trunk and is connected with first elephant trunk；
Second elephant trunk is connected with the described first buffering section connection and with the described first buffering section；
Second buffering section, one end are connected to and in communication with second elephant trunk, and the other end is equipped with discharge port；
Fixed frame, be sheathed on first elephant trunk or second elephant trunk and with first elephant trunk or second elephant trunk
Connection.
In one embodiment, the size of first elephant trunk and the described first buffering section, second elephant trunk and institute
State the size matching of the second buffering section.
In one embodiment, the first buffering section is identical with the shape of the described second buffering section, first buffering
Section includes curved pipe and the straight tube positioned at the curved pipe both ends, the first buffering section pass through the straight tube at both ends respectively with
First elephant trunk is connected with second elephant trunk.
In one embodiment, the inner radii of the curved pipe is 309.5mm, and the outer radii of the curved pipe is
509.5mm。
In one embodiment, the length of the discharge port be 1.5m, the gradient 1：4-1：6.
In one embodiment, first elephant trunk is close to the end of the described first buffering section and first buffering
The both ends of section, second elephant trunk and the second buffering section are equipped with ring flange.
In one embodiment, the quantity of the first buffering section and second elephant trunk has multiple, first buffering
Section and second elephant trunk are arranged alternately.
In one embodiment, first elephant trunk and second elephant trunk are rectangular tube.
In one embodiment, the fixed frame is made of angle bar.
The application construction method of above-mentioned appts. for transferring ready-mixed concrete, includes the following steps：
Lower hopper, the first elephant trunk, the first buffering section, the second elephant trunk, the second buffering section, discharge port and fixed frame are connected
It connects, forms appts. for transferring ready-mixed concrete；
The appts. for transferring ready-mixed concrete is arranged vertically on existing structure by the fixed frame；
By concrete from discharging at the lower hopper, through first elephant trunk, the first buffering section, second elephant trunk
With the described second buffering section, most flowed out afterwards through the discharge port, complete the conveying of the concrete.
Above-mentioned appts. for transferring ready-mixed concrete is connect by fixed frame with completed structure, formed vertically to concrete conveyance
Then concrete is flowed through the first elephant trunk, the first buffering section, the second elephant trunk and the second buffering section, most by device from lower hopper blanking
It is flowed out by discharge port.Above-mentioned appts. for transferring ready-mixed concrete makes full use of the downward kinetic energy of lazy flow concrete, makes lazy flow
Concrete conveys downwards, and the first buffering section and the second buffering section can reduce the impact force brought during concrete freely falling body, rise
To control concrete flow velocity and prevent concrete from the effect of segregation phenomenon occur.Therefore, above-mentioned appts. for transferring ready-mixed concrete is applicable in
In the conveying of lazy flow concrete and conveying effect it is good.The application construction method step of above-mentioned appts. for transferring ready-mixed concrete is simple,
It is easy to operate, suitable for promoting and applying.
Description of the drawings
Fig. 1 is the structure diagram of the appts. for transferring ready-mixed concrete of an embodiment；
Fig. 2 is the stereoscopic schematic diagram of the first elephant trunk in appts. for transferring ready-mixed concrete shown in FIG. 1；
Fig. 3 is the stereoscopic schematic diagram of the first buffering section in appts. for transferring ready-mixed concrete shown in FIG. 1；
Fig. 4 is the stereoscopic schematic diagram of the second elephant trunk in appts. for transferring ready-mixed concrete shown in FIG. 1；
Fig. 5 is the stereoscopic schematic diagram of the discharge port in the appts. for transferring ready-mixed concrete shown in 1；
Fig. 6 is the flow chart of the application construction method of the appts. for transferring ready-mixed concrete of an embodiment.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without making creative work
Embodiment shall fall within the protection scope of the present invention.
It is slipped as shown in Figure 1, the appts. for transferring ready-mixed concrete 1 of an embodiment includes the first elephant trunk 10, first buffering section 20, second
The buffering of pipe 30, second section 40 and fixed frame 50, one end of the first elephant trunk 10 are equipped with lower hopper 12, and the first buffering section 20 is slipped with first
Pipe 10 is connected and is connected with the first elephant trunk 10, and the second elephant trunk 30 connect with the first buffering section 20 and connected with the first buffering section 20,
Second 40 one end of buffering section are connected with the second elephant trunk 30, and the other end is equipped with discharge port 60, and fixed frame 50 is sheathed on the first elephant trunk 10
Or second elephant trunk 30 and connect with the first elephant trunk 10 or the second elephant trunk 30.
Above-mentioned appts. for transferring ready-mixed concrete 1 is connect by fixed frame 50 with completed structure, formed vertically to concrete
Then concrete is flowed through 30 and of the first elephant trunk 10, first buffering the 20, second elephant trunk of section by conveying device 1 from 12 blanking of lower hopper
Second buffering section 40, most flows out through discharge port 60 afterwards.Above-mentioned appts. for transferring ready-mixed concrete 1 makes full use of lazy flow concrete downward
Kinetic energy, lazy flow concrete is made to convey downwards, first buffering section 20 and second buffering section 40 can reduce concrete freedom
The impact force brought during falling bodies plays control concrete flow velocity and the effect for preventing concrete from segregation phenomenon occur.Therefore, on
State appts. for transferring ready-mixed concrete 1 suitable for lazy flow concrete conveying and conveying effect it is good.
As shown in Figure 1, entire appts. for transferring ready-mixed concrete 1 is in connected state so that concrete can enter through lower hopper 12
Then first elephant trunk 10 saves the 20, second elephant trunk 30 and the second buffering section 40 through the first buffering, is most flowed out afterwards through discharge port 60.The
One elephant trunk, 10 one end is equipped with lower hopper 12, and the other end is connect with the first buffering section 20.Wherein, lower hopper 12 is for concrete
Blanking.In the present embodiment, lower hopper 12 is tapered, is made of wooden template.
In the present embodiment, the size of the first elephant trunk 10 saves the 20, second elephant trunk 30 with the first buffering and the second buffering saves
40 size matching.First elephant trunk 10 and the second elephant trunk 30 can make the concrete to flow downward have maximum kinetic energy, and the
One buffering section 20 and the second buffering section 40 can play the effect of control concrete flow velocity, prevent what isolating from occurring in concrete to show
As.The size of first elephant trunk 10, first buffering section the 20, second elephant trunk 30 and the second buffering section 40 is matched, can cause coagulation
Flowing of the soil in appts. for transferring ready-mixed concrete 1 is more smooth, reduces obstruction of the junction to concrete, while can also simplify mixed
The making and installation of solidifying soil conveying device 1.
As shown in figures 1 and 3, in the present embodiment, the first buffering section 20 is identical with the shape of the second buffering section 40, and first
Buffering section 20 includes curved pipe 22 and the straight tube 24 positioned at the both ends of curved pipe 22, the first buffering 20 straight tubes 24 by both ends of section
It is connect with the first elephant trunk 10 and the second elephant trunk 30.Further, the inner radii of curved pipe 22 be 309.5mm, curved pipe 22
Outer radii be 509.5mm.22 part of curved pipe of first buffering section 20 and the second buffering section 40 can reduce concrete and exist
To the impact load of appts. for transferring ready-mixed concrete 1 in flow process.
Wherein, the first elephant trunk 10, first buffering section the 20, second elephant trunk 30, second buffering section 40 and discharge port 60 use
2mm is thick, and long and width is that the galvanized iron sheet of 200mm is made.The galvanized iron sheet of 2mm thickness has good intensity, rigidity and durable
Property, load when concrete transports downwards can be resisted using appts. for transferring ready-mixed concrete 1 made of above-mentioned galvanized iron sheet, extended mixed
The service life of solidifying soil conveying device 1.As shown in Figure 2 and Figure 4, in the present embodiment, the first elephant trunk 10 and the second elephant trunk 30 are equal
For rectangular tube.
As shown in Figure 1 and Figure 5, in the present embodiment, the length of discharge port 60 be 1.5m, the gradient 1：4-1：6.Discharge port
60 are made of the galvanized iron sheet of 2mm thickness, the gradient 1：4-1：6, to achieve the effect that buffering discharging.
Please refer to Fig. 1-Fig. 4, in the present embodiment, the first elephant trunk 10 is close to the end of the first buffering section 20 and the
The both ends of one buffering section the 20, second elephant trunk 30 and the second buffering section 40 are equipped with ring flange 70.First elephant trunk 10 and the first buffering
Between section 20, the first buffering section 20 and second uses between elephant trunk 30 and between the second elephant trunk 30 and the second buffering section 40
It ring flange 70 and is bolted.In the present embodiment, the width of ring flange 70 is 50mm, and bolt is M8 bolts.Wherein, ring flange
70 save 40 to be welded to connect with the first elephant trunk 10, first buffering section the 20, second elephant trunk 30 and the second buffering.In addition, such as Fig. 1 and figure
Shown in 5, in the present embodiment, discharge port 60 also is provided with ring flange 70 close to the end of the second buffering section 40, then passes through bolt
It is connect with the second buffering section 40.
The height of appts. for transferring ready-mixed concrete 1 can be configured according to the floor height of underground structure.In the present embodiment, first
Buffering section 20 and second elephant trunk 30 quantity have it is multiple, first buffering section 20 and second elephant trunk 30 is arranged alternately.For example, work as underground
When the floor height of structure is higher, multiple first buffering sections 20 and the second elephant trunk 30 can be set, to increase appts. for transferring ready-mixed concrete 1
Length.And when the floor height of underground structure is relatively low, less first can be set to buffer 20 and second elephant trunk 30 of section, so that coagulation
The height of native conveying device 1 is matched with the floor height of underground structure.
In addition it is also possible to adjust appts. for transferring ready-mixed concrete 1 by adjusting the height of the first elephant trunk 10 and the second elephant trunk 30
Height.In the present embodiment, the first elephant trunk 10 and the second elephant trunk 30 can include standard knot and non-standard two kinds of section.Wherein,
The length that standard knot often saves is 1.5m, and the non-standard length often saved that saves is 0.3m.Meanwhile the length of standard knot can be according to complete
Into the floor height of underground structure adjust.Standard knot is also to be welded by galvanized iron sheet, wherein, it is used between galvanized iron sheet
Full weld is fixed, and level weld seam requirement is continuous, full, must not there are the defects of stomata, crackle, slag inclusion and overlap.Using standard knot and non-
Standard knot forms the first elephant trunk 10 and the second elephant trunk 30 so that appts. for transferring ready-mixed concrete 1 can be adapted for the ground of different floor heights
Lower structure expands the use scope of appts. for transferring ready-mixed concrete 1.
In the present embodiment, the length of the first buffering section 20 and the second buffering section 40 is 1.3m, the first buffering section 20 or
Second buffering section 40 preferably arranges one per 3.7m, is usually no more than 6m and arranges one, reduces concrete as much as possible and freely falls
The impact force that body is brought.
Appts. for transferring ready-mixed concrete 1 is connect by fixed frame 50 with original structure, and in the present embodiment, fixed frame 50 is by angle bar
It is made.After fixed frame 50 completes, fixed frame 50 is connect with completed structure using expansion bolt, required arrangement
Space is smaller, without separately setting up appts. for transferring ready-mixed concrete stent, saves the construction period.In the present embodiment, the ruler of angle bar
Very little is 50mm*50mm*5mm.
Above-mentioned appts. for transferring ready-mixed concrete 1 can the directly discharging at lower hopper 12 after concrete tank is marched into the arena, you can edge
It the first elephant trunk 10, first buffering section the 20, second elephant trunk 30, second buffering section 40 and discharge port 60 conveys downwards, in concrete
After floor needed for reaching, manual labor's vehicle or fixed pump is coordinated to complete horizontal feed.It is filled by being arranged vertically concrete conveyance
1 is put, increases the downward kinetic energy of concrete, reaches downward vertically transport of the lazy flow concrete without additionaling power, simultaneously because
Stent need not be set up, saves the space needed for arrangement appts. for transferring ready-mixed concrete 1, and easy access.
In addition, use above-mentioned appts. for transferring ready-mixed concrete 1 successfully by slump for 130 ± 20mm lazy flow concrete from
Ground (absolute altitude is -0.10m) is delivered to 14 layers of underground (absolute altitude is -48.78m), and concrete does not occur segregation phenomenon, can be direct
For floor leveling, lead wall and the techniques such as pour.
The application construction method of above-mentioned appts. for transferring ready-mixed concrete 1 is illustrated below in conjunction with Fig. 1-Fig. 6.
As shown in fig. 6, the application construction method of the appts. for transferring ready-mixed concrete 1 of an embodiment includes the following steps：
Step S600, by lower hopper 12, the first elephant trunk 10, first buffering section the 20, second elephant trunk 30, second buffering section 40,
Discharge port 60 and fixed frame 50 connect, and form appts. for transferring ready-mixed concrete 1.Lower hopper 12, the first elephant trunk 10, first buffering section
20th, the second elephant trunk 30, second buffering section 40 and discharge port 60 are in connected state.
Appts. for transferring ready-mixed concrete 1 is arranged vertically on existing structure by step S610 by fixed frame 50.Concrete is defeated
Device 1 is sent to be arranged using vertical mode, the potential energy of lazy flow concrete and dynamic transformation of energy can be maximally utilised, made
Appts. for transferring ready-mixed concrete 1 transports lazy flow concrete and is possibly realized.In the present embodiment, using expansion bolt by fixed frame 50
It is connect with existing structure.
By concrete from discharging at lower hopper 12, the 20, second elephant trunk of section is buffered through the first elephant trunk 10, first by step S620
30 and second buffer section 40, are most flowed out afterwards through discharge port 60, complete the conveying of concrete.Concrete tank can directly exist after marching into the arena
Discharging at lower hopper 12, you can achieve the effect that transport lazy flow concrete downwards.
The application construction method step of above-mentioned appts. for transferring ready-mixed concrete 1 is simple and convenient to operate, suitable for promoting and applying.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that those of ordinary skill in the art are come
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of appts. for transferring ready-mixed concrete, which is characterized in that including：
First elephant trunk, one end are equipped with lower hopper；
First buffering section, connect with first elephant trunk and is connected with first elephant trunk；
Second elephant trunk is connected with the described first buffering section connection and with the described first buffering section；
Second buffering section, one end are connected to and in communication with second elephant trunk, and the other end is equipped with discharge port；
Fixed frame is sheathed on first elephant trunk or second elephant trunk and connects with first elephant trunk or second elephant trunk
It connects.
2. appts. for transferring ready-mixed concrete according to claim 1, which is characterized in that the size of first elephant trunk and described the
The size matching of one buffering section, second elephant trunk and the second buffering section.
3. appts. for transferring ready-mixed concrete according to claim 1, which is characterized in that the first buffering section and described second delays
The shape for rushing section is identical, and the first buffering section includes curved pipe and the straight tube positioned at the curved pipe both ends, and described first is slow
Punching section is connect by the straight tube at both ends with first elephant trunk and second elephant trunk respectively.
4. appts. for transferring ready-mixed concrete according to claim 3, which is characterized in that the inner radii of the curved pipe is
309.5mm, the outer radii of the curved pipe is 509.5mm.
5. appts. for transferring ready-mixed concrete according to claim 1, which is characterized in that the length of the discharge port be 1.5m, slope
Spend is 1：4-1：6.
6. appts. for transferring ready-mixed concrete according to claim 1, which is characterized in that first elephant trunk is slow close to described first
Rush end and the first buffering section of section, the both ends of second elephant trunk and the second buffering section are equipped with ring flange.
7. appts. for transferring ready-mixed concrete according to claim 1, which is characterized in that the first buffering section and described second slips
The quantity of pipe have it is multiple, it is described first buffering section and second elephant trunk is arranged alternately.
8. appts. for transferring ready-mixed concrete according to claim 1, which is characterized in that first elephant trunk and second elephant trunk
It is rectangular tube.
9. appts. for transferring ready-mixed concrete according to claim 1, which is characterized in that the fixed frame is made of angle bar.
A kind of 10. application construction method of claim 1-9 any one of them appts. for transferring ready-mixed concrete, which is characterized in that packet
Include following steps：
The lower hopper, first elephant trunk, the first buffering section, second elephant trunk, described second are buffered and saves, is described
Discharge port and fixed frame connection, form the appts. for transferring ready-mixed concrete；
The appts. for transferring ready-mixed concrete is arranged vertically on existing structure by the fixed frame；
By concrete from discharging at the lower hopper, through first elephant trunk, the first buffering section, second elephant trunk and institute
The second buffering section is stated, is most flowed out afterwards through the discharge port, completes the conveying of the concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711369577.XA CN108265982A (en) | 2017-12-19 | 2017-12-19 | Appts. for transferring ready-mixed concrete and its application construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711369577.XA CN108265982A (en) | 2017-12-19 | 2017-12-19 | Appts. for transferring ready-mixed concrete and its application construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108265982A true CN108265982A (en) | 2018-07-10 |
Family
ID=62772104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711369577.XA Pending CN108265982A (en) | 2017-12-19 | 2017-12-19 | Appts. for transferring ready-mixed concrete and its application construction method |
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| CN (1) | CN108265982A (en) |
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| CN205636745U (en) * | 2016-05-13 | 2016-10-12 | 苏州国贸嘉和建筑工程有限公司 | Material feeding unit under concrete |
| CN206319543U (en) * | 2016-10-18 | 2017-07-11 | 中国建筑第五工程局有限公司 | System is transported under skyscraper vertical garbage |
| CN207847102U (en) * | 2017-12-19 | 2018-09-11 | 上海建工一建集团有限公司 | Appts. for transferring ready-mixed concrete |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101280627A (en) * | 2008-05-30 | 2008-10-08 | 中国水利水电第十四工程局 | Concrete vertical conveying descent control device |
| CN202012200U (en) * | 2011-04-08 | 2011-10-19 | 中国葛洲坝集团股份有限公司 | Buffering device for concrete sliding chute |
| KR101216593B1 (en) * | 2012-10-29 | 2012-12-31 | (주)대우건설 | Mixed branch pipe for shotcrete construction equipment |
| CN204252548U (en) * | 2014-09-01 | 2015-04-08 | 中铁三局集团有限公司 | A kind of device of high drop delivering concrete |
| CN204960243U (en) * | 2015-09-17 | 2016-01-13 | 上海宝冶集团有限公司 | Construction garbage shaft with buffer function |
| CN205558923U (en) * | 2015-12-31 | 2016-09-07 | 中铁二十五局集团第五工程有限公司 | A unloading pipe for deep tunnel construction |
| CN205636745U (en) * | 2016-05-13 | 2016-10-12 | 苏州国贸嘉和建筑工程有限公司 | Material feeding unit under concrete |
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| CN207847102U (en) * | 2017-12-19 | 2018-09-11 | 上海建工一建集团有限公司 | Appts. for transferring ready-mixed concrete |
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