CN101280627A - Concrete vertical conveying descent control device - Google Patents
Concrete vertical conveying descent control device Download PDFInfo
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- CN101280627A CN101280627A CNA2008100284436A CN200810028443A CN101280627A CN 101280627 A CN101280627 A CN 101280627A CN A2008100284436 A CNA2008100284436 A CN A2008100284436A CN 200810028443 A CN200810028443 A CN 200810028443A CN 101280627 A CN101280627 A CN 101280627A
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- side pipe
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Abstract
The invention discloses a descent control device for vertically conveying concrete, which comprises a left circular tube and a right circular tube; the central lines of the left circular tube and the right circular tube are in parallel and the left circular tube and the right circular tube are arranged alternately at the direction of height; cuts of certain length are arranged on both the left circular tube and the right circular tube; the cut on the left circular tube and the cut on the right circular tube correspond to each other at the direction of length; in addition, the front lateral sides and the rear lateral sides of the cut on the left circular tube and the cut on the right circular tube are correspond to each other and connected with each other by a front-side connecting plate and a rear-side connecting plate; the upper end parts and the lower end part of the left circular tube and the right circular tube are connected with an upper sealing board and a lower sealing board correspondingly; the left circular tube and the right circular tube form a communicated containing cavity by the corresponding connection of the front-side connecting plate, the rear-side connecting plate, the upper sealing board and the lower sealing board; the inner surface of the lower sealing board is provided with a clapboard in parallel to the central lines of the circular tubes at two sides. When used for vertically conveying concrete, the descent control device can prevent the concrete from separating, effectively improves the workability of the concrete; the descent control device has long service life, no frequent examination and repair or replacement, simple structure and low manufacturing cost.
Description
Technical field
The present invention relates to concrete vertical transit system technical field, particularly a kind of concrete vertical conveying descent control device.
Background technology
At present, in engineering constructions such as water conservancy and hydropower, highway, municipal administration, subterranean railway, must use concrete and build, and concrete transports in vertical direction, need overcome the descending transportation of drop of tens meters even up to a hundred meters usually, in vertical descending transportation, because the gravity problem of concrete self, the aggregate in the concrete can separate, and causes concrete workability poor, thereby greatly influenced concrete pouring quality, can not guarantee preferably that it builds effect.
In the prior art, in order to solve the problem of concrete its Segregation when vertical direction is carried, domestic successful introduction Japanese My-BOX descending lifeline technology, the My-Box descending lifeline be a kind of concrete is had in vertical rolling process slow the device of effect falls and mixes and stirs, be mainly used in vertical transport.In vertical rolling process, when concrete process My-Box descending lifeline, can reduce flow velocity, and in the My-Box descending lifeline, form spiral decline, aggregate is mixed and stirred again, effectively prevented the separation of its aggregate, greatly improved concrete workability.This My-BOX descending lifeline technology has more successfully solved the difficult problem of Segregation in the concrete vertical transport when the concrete construction of Three Gorges Permanent engineering vertical shaft, guaranteed pouring quality.
Fig. 1 is the installation schematic diagram of My-Box descending lifeline in the prior art, in the drawings, hopper 10 is supported on the steel bracing frame 20, the lower end discharging opening of hopper 10 is connected by flange 0 with straight type elephant trunk 3 simultaneously, last elephant trunk 30 lower ends are connected with dextrorotation My-Box descending lifeline 50 by joint 40, the discharging opening place, lower end of this dextrorotation My-Box descending lifeline 50 is connected with left-handed My-Box descending lifeline 60, the lower end discharging opening of described left-handed My-Box descending lifeline 60 is connected with following elephant trunk 80 by joint 70, thereby concrete is carried downwards slowly.Because My-Box descending lifeline cross section is rectangle, with its dimidiation, and twist with the fingers mutually in the same way as fried dough twist by its two halves from the middle part for dividing plate 90, rotation back import and export into 90 ° of vertical settings.When dextrorotation and left-handed My-Box descending lifeline were passed through in the concrete aggregate vertical drop successively, owing to be subjected to the buffering of inclined-plane and variable cross-section, speed reduced, and has reduced Segregation; Simultaneously in the My-Box descending lifeline, carry out screw type deciliter, aggregate is mixed and stirred fully, can improve concrete workability preferably.
But, also there is following problem in use in the My-Box descending lifeline, because the My-Box descending lifeline selects for use the wear-resisting steel of high-quality to make usually, but when concrete is carried vertically downward, the shell of concrete and descending lifeline and dividing plate all are direct contact frictions, so its wearing and tearing are very fast, need often to change or maintenance when generous amount concreting, increase manufacturing and maintenance cost so widely, also greatly influenced construction speed and construction quality simultaneously.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of concrete vertical descending lifeline, this descending lifeline is when the vertical direction delivering concrete, can prevent concrete aggregate to separate, improved concrete workability effectively, its long service life need not often maintenance or replacing simultaneously, and simple in structure, cost of manufacture is cheap.
In order to realize above-mentioned technical purpose, the present invention realizes by following technical scheme:
A kind of concrete vertical conveying descent control device comprises left side pipe and right side pipe, described left side pipe and right circles tube hub line parallel, and the two shifts to install in short transverse; Be provided with the circular-arc otch of certain-length on left side pipe and the right side pipe; Otch on the pipe of left side is corresponding at length direction with the otch on the pipe of right side, and the two connects in front and back dual-side correspondence and by preceding side connecting plate and back side connecting plate; The two reaches by upper sealing plate in upper and lower end parts, and shrouding is corresponding down connects; Described left side pipe and right side pipe are by preceding side connecting plate, back side connecting plate, upper sealing plate and the following corresponding cavity volume that is interconnected that is connected to form of two shroudings; The described inner surface of shrouding down is provided with the dividing plate parallel with the center line of both sides pipe.
The cross section of described dividing plate is a concave structure, and the inner surface of this concave cross section is circular-arc.
Otch on the pipe of described left side is the circular arc otch that is positioned at the center line right side, is inverted L shape apart from the upper surface certain distance and the cross section of left side pipe; Otch on the pipe of described right side is the circular arc otch that is positioned at center line left side, is the L type apart from the upper surface certain distance and the cross section of right side pipe.
For the ease of the concrete of mediation descending lifeline inside, upper sealing plate is provided with the overhead door that can outwards open, and this overhead door is hinged on the outer face of upper sealing plate by door.
The upper end of described left side pipe and the bottom of right side pipe are provided with flange.
Described left side pipe and right side pipe all are to be made by Q235 welded steel pipe or seamless steel pipe.
Compared with prior art, the invention has the beneficial effects as follows:
(1) descending lifeline of the present invention can effectively prevent the concrete aggregate separation in the process of vertical direction delivering concrete, has improved concrete workability, is beneficial to sub-material, vibrates, and it has builds performance preferably, has guaranteed good construction quality;
(2) descending lifeline of the present invention concrete when delivering concrete does not directly contact with descending lifeline, it is less to wear and tear, and its long service life need not regular maintenance or replacing when building, its maintenance cost is low, can also guarantee construction precision and construction quality preferably simultaneously;
(3) the concrete slide of descending lifeline of the present invention send speed fast, and its conveying capacity can reach 40～50m under the normal condition
3/ h;
(4) descending lifeline of the present invention is simple in structure, easy accessibility, and the work efficiency height, but also reusable, cost is low.According to relevant material record, power station, Three Gorges construction period, the cost of manufacture that adopts the My-Box descending lifeline is 500 a yuan/cover, because of price rise, make the My-Box descending lifeline at present and approximately need 1000 yuan/cover, and present stage descending lifeline of the present invention cost of manufacture be 400 yuan/, descending lifeline of the present invention can replace a cover My-Box descending lifeline to use, simultaneously, compare with the My-Box descending lifeline, its application life is than prolonging greatly.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in detail:
Fig. 1 is the mounting structure schematic diagram of prior art My-Box descending lifeline;
Fig. 2 is the mounting structure schematic diagram of descending lifeline of the present invention;
Fig. 3 is the side structure schematic diagram of concrete vertical conveying descent control device of the present invention;
Fig. 4 is an A-A Section View among above-mentioned Fig. 3;
Fig. 5 is a B-B Section View among above-mentioned Fig. 3;
Fig. 6 is the structural representation of median septum of the present invention.
The specific embodiment
As Fig. 3～shown in Figure 6, a kind of concrete vertical conveying descent control device of the present invention comprises left side pipe 1 and right side pipe 2, and described left side pipe 1 is parallel with right side pipe 2 center lines, and the two shifts to install in short transverse; Be provided with the circular-arc otch of certain-length on left side pipe 1 and the right side pipe 2; Otch on the pipe of described left side is the circular arc otch that is positioned at the center line right side, is inverted L shape apart from the upper surface certain distance and the cross section of left side pipe; Otch on the pipe of described right side is the circular arc otch that is positioned at center line left side, is the L type apart from the upper surface certain distance and the cross section of right side pipe.Otch on this left side pipe 1 is corresponding at length direction with otch on the right side pipe 2, and the two is corresponding and connect i.e. l shaped incision and the correspondence of falling l shaped incision connection by preceding side connecting plate 3 and back side connecting plate 4 that rectangular steel plates is made at the front and back dual-side.
Meanwhile, the two reaches the also corresponding connection of shrouding 6 down in upper and lower end parts by upper sealing plate 5; 2 of described left side pipe 1 and right side pipes are by preceding side connecting plate 3, back side connecting plate 4, upper sealing plate 5 and the following shrouding 6 corresponding cavity volumes that are interconnected that are connected to form.
In addition, be provided with the dividing plate parallel 7, flow into right side pipe 2 centers better, more swimmingly in order to make concrete with the center line of both sides pipe at the inner surface that descends shrouding 6.As shown in Figure 6, the cross section of described dividing plate 7 is a concave structure, and the inner surface of this concave cross section is circular-arc, and left side pipe 1 and right side pipe 2 used among the present invention all are to be made by Q235 welded steel pipe or seamless steel pipe, its wear-resisting steel with respect to high-quality are compared, and manufacturing cost is lower.
In addition; because concrete has certain caking property; usually concrete is when carrying; having some concrete bindings stops up in cavity volume and influences concrete smooth and easy conveying; so upper sealing plate 5 is provided with the overhead door 8 that can outwards open; this overhead door 8 is hinged on the outer face of upper sealing plate 5 by door hinge 9; when concrete binding; open overhead door 8; can the concrete mediation of tube wall will be bonded in the pipe with things such as stocks; guaranteed carrying out smoothly of concreting work effectively, guaranteed also that simultaneously it builds performance preferably.
In the present invention, the upper end of left side pipe 1 and the bottom of right side pipe 2 all are connected with flange 12 and 11, wherein flange 12 is used to connect elephant trunk 12 and left side pipe 1, to guarantee that concrete flows in the pipe 1 of left side swimmingly, elephant trunk 13 and right side pipe 1 were carried downwards by following elephant trunk 13 then to guarantee that concrete flows out right side pipe 2 swimmingly and enters into down in the elephant trunk 13 under flange 11 was used to connect.
Usually, for the construction quality that ensures concrete joint surface, and concrete better fluidised form is arranged in pipe, when the concrete blanking, must inject earlier a certain amount of mortar, with the sealing that guarantees cavity volume inside and increase its lubricity, thereby guarantee that effectively concrete can inject swimmingly.After injecting mortar, upper port by left side pipe 1 is injected concrete, concrete freely falls after the left side cavity volume is filled up, concrete just overflows from the arc inner concave of dividing plate 7, thereby enter in the right side pipe 2, because following shrouding 6,1 of dividing plate 7 and left side pipe can form less room, because the existence of this small chamber is arranged, make and can directly not impact shrouding down from the free-falling concrete of left side pipe 1 upper port, but on the mortar and concrete of impact in this small chamber, avoided concrete and snubber directly to impact, the wearing and tearing that rub and bring have prolonged its application life widely.
In addition, since dividing plate 7 the suitable downward travelling speed of concrete that slowed down is set, make concrete in course of conveying downward vertically, avoid concrete Segregation, make concrete that workability preferably be arranged, guarantee that it has to build performance and pouring quality preferably.
Fig. 2 is the mounting structure schematic diagram of descending lifeline of the present invention, in the drawings, hopper 10 is supported on the steel bracing frame 20, simultaneously the lower end discharging opening of hopper 10 and type elephant trunk directly 30 are connected by flange, last elephant trunk 30 lower ends are connected with the upper port of the left side pipe 1 of descending lifeline of the present invention by joint 40, the lower end discharging opening of this right side pipe 2 is connected with following elephant trunk by joint, thereby with concrete lentamente, carry downwards swimmingly.When transmission and concrete transmission; if its vertical transport distance is higher, can also be used by many groups descending lifeline usually, generally be a descending lifeline of the present invention just to be set every 15～20 meters; through the buffering of too much group descending lifeline with mix and stir, make and concretely build performance and pouring quality is better.
Claims (8)
1. concrete vertical conveying descent control device is characterized in that: comprise left side pipe (1) and right side pipe (2), described left side pipe (1) is parallel with right side pipe (2) center line, and the two shifts to install in short transverse;
Be provided with otch on described left side pipe (1) and the right side pipe (2);
Otch on the described left side pipe (1) is corresponding at length direction with otch on the right side pipe (2), and the two is corresponding and connect by preceding side connecting plate (3) and back side connecting plate (4) at the front and back dual-side; The two reaches by upper sealing plate (5) in upper and lower end parts, and shrouding (6) is corresponding down connects; Described left side pipe (1) and right side pipe (2) are by preceding side connecting plate (3), back side connecting plate (4), upper sealing plate (5) and the following corresponding cavity volume that is connected to form connection of two shroudings;
The described inner surface of shrouding (6) down is provided with the dividing plate parallel with the center line of both sides pipe (7).
2. concrete vertical conveying descent control device according to claim 1 is characterized in that: the cross section of described dividing plate (7) is a concave structure, and the inner surface of this concave cross section is circular-arc.
3. concrete vertical conveying descent control device according to claim 1 and 2 is characterized in that: the circular arc otch of the otch on the described left side pipe (1) for being positioned at the center line right side, being inverted L shape apart from the upper surface certain distance and the cross section of left side pipe (1); The circular arc otch of otch on the described right side pipe (2) for being positioned on the left of the center line, being the L type apart from the upper surface certain distance and the cross section of right side pipe (2).
4. concrete vertical conveying descent control device according to claim 3 is characterized in that: upper sealing plate (5) is provided with the overhead door (8) that can outwards open.
5. concrete vertical conveying descent control device according to claim 4 is characterized in that:
Described overhead door (8) is hinged on the outer face of upper sealing plate (5) by door hinge (9).
6. concrete vertical conveying descent control device according to claim 1 is characterized in that: the bottom of the upper end of described left side pipe (1) and right side pipe (2) is equipped with flange (11), (12).
7. concrete vertical conveying descent control device according to claim 1 is characterized in that: described left side pipe (1) and right side pipe (2) all are to be made by Q235 welded steel pipe or seamless steel pipe.
8. concrete vertical conveying descent control device according to claim 1 is characterized in that: side connecting plate (3) and back side connecting plate (4) are rectangular steel plates before described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100284436A CN101280627A (en) | 2008-05-30 | 2008-05-30 | Concrete vertical conveying descent control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100284436A CN101280627A (en) | 2008-05-30 | 2008-05-30 | Concrete vertical conveying descent control device |
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| Publication Number | Publication Date |
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| CN101280627A true CN101280627A (en) | 2008-10-08 |
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ID=40013281
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| CNA2008100284436A Pending CN101280627A (en) | 2008-05-30 | 2008-05-30 | Concrete vertical conveying descent control device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251672A (en) * | 2011-04-19 | 2011-11-23 | 中国水利水电第十工程局有限公司 | Concrete chute buffer device |
| CN103089015A (en) * | 2013-02-01 | 2013-05-08 | 河南省水利第二工程局 | Descend control device |
| CN104863158A (en) * | 2015-05-25 | 2015-08-26 | 中国建筑第八工程局有限公司 | Super-deep and downward concrete conveying system along vertical structure |
| CN104912079A (en) * | 2015-05-08 | 2015-09-16 | 广东水电二局股份有限公司 | Adjustable type anti-separating device and concrete feeding method based on the same |
| CN108265982A (en) * | 2017-12-19 | 2018-07-10 | 上海建工建集团有限公司 | Appts. for transferring ready-mixed concrete and its application construction method |
| CN112096080A (en) * | 2020-09-12 | 2020-12-18 | 徐州易尚饰家装饰工程有限责任公司 | Building construction concrete fills uses cluster section of thick bamboo structure |
| CN114575602A (en) * | 2022-02-18 | 2022-06-03 | 中国十九冶集团有限公司 | Quick construction method for rubble masonry |
| JP7389724B2 (en) | 2020-08-25 | 2023-11-30 | 鹿島建設株式会社 | Advance mortar recovery method and advance mortar recovery device |
-
2008
- 2008-05-30 CN CNA2008100284436A patent/CN101280627A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251672A (en) * | 2011-04-19 | 2011-11-23 | 中国水利水电第十工程局有限公司 | Concrete chute buffer device |
| CN103089015A (en) * | 2013-02-01 | 2013-05-08 | 河南省水利第二工程局 | Descend control device |
| CN103089015B (en) * | 2013-02-01 | 2015-07-22 | 河南省水利第二工程局 | Descend control device |
| CN104912079A (en) * | 2015-05-08 | 2015-09-16 | 广东水电二局股份有限公司 | Adjustable type anti-separating device and concrete feeding method based on the same |
| CN104863158A (en) * | 2015-05-25 | 2015-08-26 | 中国建筑第八工程局有限公司 | Super-deep and downward concrete conveying system along vertical structure |
| CN106337416A (en) * | 2015-05-25 | 2017-01-18 | 中国建筑第八工程局有限公司 | Conveying pipe bottom end buffer device for super-deep downward concrete conveying along vertical structure |
| CN106337416B (en) * | 2015-05-25 | 2018-06-19 | 中国建筑第八工程局有限公司 | The vertically delivery pipe bottom end buffer unit of the downward delivering concrete of structure ultra-deep |
| CN108265982A (en) * | 2017-12-19 | 2018-07-10 | 上海建工建集团有限公司 | Appts. for transferring ready-mixed concrete and its application construction method |
| JP7389724B2 (en) | 2020-08-25 | 2023-11-30 | 鹿島建設株式会社 | Advance mortar recovery method and advance mortar recovery device |
| CN112096080A (en) * | 2020-09-12 | 2020-12-18 | 徐州易尚饰家装饰工程有限责任公司 | Building construction concrete fills uses cluster section of thick bamboo structure |
| CN114575602A (en) * | 2022-02-18 | 2022-06-03 | 中国十九冶集团有限公司 | Quick construction method for rubble masonry |
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Open date: 20081008 |