CN201209324Y - Concrete vertically conveying descent control device - Google Patents

Concrete vertically conveying descent control device Download PDF

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Publication number
CN201209324Y
CN201209324Y CNU2008200485587U CN200820048558U CN201209324Y CN 201209324 Y CN201209324 Y CN 201209324Y CN U2008200485587 U CNU2008200485587 U CN U2008200485587U CN 200820048558 U CN200820048558 U CN 200820048558U CN 201209324 Y CN201209324 Y CN 201209324Y
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CN
China
Prior art keywords
side pipe
concrete
control device
pipe
descent control
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Expired - Lifetime
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CNU2008200485587U
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Chinese (zh)
Inventor
马勋才
马山玉
刘芳明
邱东明
方勇锋
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Sinohydro Bureau 14 Co Ltd
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Sinohydro Bureau 14 Co Ltd
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Priority to CNU2008200485587U priority Critical patent/CN201209324Y/en
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Abstract

The utility model discloses a vertical-conveying descent control device for concrete, which comprises a left-side circular pipe and a right-side circular pipe, and the center lines of the left-side circular pipe and the right-side circular pipe are parallel to each other and arranged in a dislocated way in the height direction. The left-side circular pipe and the right-side circular pipe are respectively provided with an incision of a certain length. The incision on the left-side circular pipe is corresponding to the incision on the right-side circular pipe in the length direction, and the two incisions are corresponding to each other at the front side edge and the back side edge and connected with each other through a front-side connecting plate and a back-side connecting plate. The two incisions are correspondingly connected with each other at the upper end and the lower end through an upper closing plate and a lower closing plate. The left-side circular pipe is correspondingly connected with the right-side circular pipe to form an interconnected containing cavity through the front-side connecting plate, the back-side connecting plate, the upper closing plate and the lower closing plate. The inner surface of the lower closing plate is provided with a clapboard parallel to the center lines of the circular pipes at both sides. When conveying concrete in the vertical direction, the descent control device can prevent the separation of concrete aggregate and improve the workability of concrete effectively; simultaneously, the service life of the descent control device is prolonged, no regular overhaul or replacement is needed, the structure is simple and the manufacturing cost is low.

Description

A kind of concrete vertical conveying descent control device
Technical field
The utility model 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.
The utility model content
The purpose of this utility model 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 utility model is realized 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 beneficial effects of the utility model are:
(1) descending lifeline of the present utility model 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) the utility model descending lifeline 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 the utility model descending lifeline send speed fast, and its conveying capacity can reach 40~50m under the normal condition 3/ h;
(4) the utility model descending lifeline 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 the utility model descending lifeline cost of manufacture be 400 yuan/, the utility model descending lifeline 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 utility model 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 the utility model descending lifeline;
Fig. 3 is the side structure schematic diagram of the utility model concrete vertical conveying descent control device;
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 the utility model median septum.
The specific embodiment
As Fig. 3~shown in Figure 6, a kind of concrete vertical conveying descent control device of the present utility model 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 in the utility model 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 utility model, 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 the utility model descending lifeline, 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 the utility model descending lifeline 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; usually can also be used by many groups descending lifeline; generally be a descending lifeline of the present utility model 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.
CNU2008200485587U 2008-05-30 2008-05-30 Concrete vertically conveying descent control device Expired - Lifetime CN201209324Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200485587U CN201209324Y (en) 2008-05-30 2008-05-30 Concrete vertically conveying descent control device

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Application Number Priority Date Filing Date Title
CNU2008200485587U CN201209324Y (en) 2008-05-30 2008-05-30 Concrete vertically conveying descent control device

Publications (1)

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CN201209324Y true CN201209324Y (en) 2009-03-18

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CNU2008200485587U Expired - Lifetime CN201209324Y (en) 2008-05-30 2008-05-30 Concrete vertically conveying descent control device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106284357A (en) * 2015-05-25 2017-01-04 中国建筑第八工程局有限公司 The vertically conveying pipe buffer structure of the downward delivering concrete of structure ultra-deep

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106284357A (en) * 2015-05-25 2017-01-04 中国建筑第八工程局有限公司 The vertically conveying pipe buffer structure of the downward delivering concrete of structure ultra-deep
CN106436713A (en) * 2015-05-25 2017-02-22 中国建筑第八工程局有限公司 Spiral buffer conveying pipeline used for conveying concrete deep downwards along vertical structure
CN106436713B (en) * 2015-05-25 2018-09-04 中国建筑第八工程局有限公司 The vertically helical buffer conveyance conduit of the downward delivering concrete of structure ultra-deep

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Granted publication date: 20090318