CN209836799U - Underwater concrete pouring device - Google Patents
Underwater concrete pouring device Download PDFInfo
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- CN209836799U CN209836799U CN201822093815.5U CN201822093815U CN209836799U CN 209836799 U CN209836799 U CN 209836799U CN 201822093815 U CN201822093815 U CN 201822093815U CN 209836799 U CN209836799 U CN 209836799U
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- hopper
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- underwater concrete
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Abstract
The utility model discloses an underwater concrete perfusion device relates to bridge engineering construction technical field. The device includes: a hopper having a feed inlet and a discharge outlet; a conduit, the top opening of which is communicated with the discharge hole; the switch piece is used for plugging the bottom opening of the catheter; and the driving rod penetrates through the conduit along the axis direction of the conduit, the lower part of the driving rod is fixedly connected with the switch piece, and the driving rod drives the switch piece to move up and down to close or open the bottom opening of the conduit. The utility model discloses can strengthen the first controllability of irritating, improve the first quality of irritating the concrete, reduce the first impact force of irritating the concrete to the substructure.
Description
Technical Field
The utility model relates to a bridge engineering construction technical field, concretely relates to concrete perfusion device under water.
Background
The underwater concrete is poured below a certain depth of the water surface, and needs to play roles of bottom sealing, force bearing and the like after being solidified and hardened, so that the difficulty of the underwater concrete in pouring is obviously improved compared with the traditional concrete.
The first pouring of concrete is used as a key step in the process of pouring underwater concrete, and the foam ball is mostly poured by pulling out a foam ball by a conduit method, namely, the foam ball is arranged at the top opening of the conduit, and the foam ball is separated from the top opening of the conduit by pulling out the foam ball, so that the top opening of the conduit is opened, and the underwater concrete falls along the conduit to form a bottom structure to be poured. However, the method has high requirements on the appearance size and water-resisting property of the foam ball, and the controllability of the process of opening the top opening of the guide pipe by the foam ball is low. Moreover, because the conduit is positioned in water, the bottom opening of the conduit is in an open state, water enters the conduit until the water in the conduit is level with the water surface, and after the foam ball opens the top opening of the conduit, the first-poured concrete is mixed with the water in the pipeline, so that the first-poured concrete is easily separated after the ball is pulled out, and the quality of concrete pouring is affected. In addition, since the distance from the top opening to the bottom structure is relatively long, the mechanical energy when falling to the bottom structure is converted into impact load on the bottom structure, and the impact force on the bottom structure is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned background art, provide a concrete perfusion device under water. The utility model discloses can strengthen the first controllability of irritating, improve the first quality of irritating the concrete, reduce the first impact force of irritating the concrete to the substructure.
The utility model provides an underwater concrete perfusion device, the device includes:
a hopper having a feed inlet and a discharge outlet;
the top opening of the conduit is communicated with the discharge opening;
the switch piece is used for plugging the bottom port of the catheter;
and the driving rod penetrates through the conduit along the axis direction of the conduit, the lower part of the driving rod is fixedly connected with the switch piece, and the driving rod drives the switch piece to move up and down to seal or open the bottom opening of the conduit.
On the basis of the technical scheme, the device further comprises a limiting assembly arranged at the top of the hopper and used for fixing the position of the driving rod, so that the switch piece keeps closing or opening the bottom opening of the guide pipe.
On the basis of the technical scheme, at least the upper part of the driving rod is provided with a threaded section, and the limiting assembly comprises a fixed part and a rotatable part;
the fixing piece is provided with a limiting opening, the driving rod penetrates through the limiting opening, and the rotatable piece is located above the limiting opening, sleeved on the driving rod and matched with the thread section in a threaded mode.
On the basis of the technical scheme, the fixing piece comprises two limiting plates, the two limiting plates are erected at the top of the hopper, and the spacing opening is the space reserved between the two limiting plates.
On the basis of the technical scheme, the rotatable part is a nut, and the driving rod is a steel bar.
On the basis of the technical scheme, the limiting assembly comprises a clamping part, and the driving rod is clamped by the clamping part.
On the basis of the technical scheme, the switch piece is a switch board, the cross section of the switch piece is circular, the switch board is fixedly connected with the lower end of the driving rod in a detachable mode, and a water-resisting layer is arranged on the portion, in contact with the bottom opening of the guide pipe, of the switch board.
On the basis of the technical scheme, the device further comprises a hopper mounting frame, and the hopper is detachably mounted on the hopper mounting frame.
On the basis of the technical scheme, at least two connecting parts are arranged at the upper part of the hopper, and each connecting part is provided with a connecting hole; the hopper mounting frame is provided with at least two connecting pieces, and the end parts of the connecting pieces are provided with hooks;
when the hopper is installed on the hopper installation frame, each connecting piece is hung with the connecting part in a mode that the hook penetrates through the connecting hole.
On the basis of the technical scheme, the catheter is formed by sequentially butting a plurality of catheter sections end to end.
Compared with the prior art, the utility model has the advantages as follows:
(1) the utility model discloses a set up the switch spare at the pipe end opening to open and seal the pipe end opening through the position of adjusting the actuating lever, the process of opening the pipe end opening is simple, only need move down the switch spare that drives through the actuating lever and move down open the pipe end opening can, whole opening process is easy to control, has strengthened the controllability of first irritating. Simultaneously, add the concrete in the hopper, the concrete flows to the pipe end opening along pipe apical opening, and the pipe end opening is close to the substructure, opens pipe end opening and can pour first pouring concrete to the substructure, further strengthens the controllability of first pouring.
(2) The utility model discloses a pipe end opening seals, and the pipe has the effect of water proof, and the concrete gets into in the pipe not with water contact, has overcome the problem that the water in concrete and the pipeline is mixed first among the prior art, effectively controlled the concrete under water and has filled the segregation degree of concrete among the key process, improves the quality of first concrete of irritating. The concrete is directly poured to the bottom structure from the bottom opening of the guide pipe, the falling distance is greatly reduced, the impact force of the first poured concrete to the bottom structure is reduced, and the bottom structure is particularly suitable for the condition that the bottom structure is weak in impact load capacity.
(3) The utility model discloses a can save partial concrete in the pipe for the reserve volume increase of the concrete of whole device, the quantitative change of adding the concrete at every turn is many, has reduced the number of times of adding the concrete in perfusion device, improves work efficiency.
(4) The utility model discloses a perfusion device simple structure, cost are extremely low and the practicality is strong, adopt this perfusion device's filling method process simple, convenient operation moreover.
Drawings
Fig. 1 is the utility model discloses embodiment concrete perfusion device's under water structure schematic diagram.
Fig. 2 is the utility model discloses spacing subassembly of concrete perfusion device under water's structural schematic diagram.
Fig. 3 is a schematic view of the structure of the underwater concrete pouring device according to the present invention, which is seen from the bottom when the guide tube is connected to the switch.
Fig. 4 is a sectional view a-a of fig. 3.
Fig. 5 is a schematic structural diagram of an underwater concrete pouring device according to an embodiment of the present invention in preparation for lifting a hopper.
Fig. 6 is the utility model discloses an underwater concrete perfusion device promotes the structure schematic diagram of hopper after a distance.
And fig. 7 is a schematic structural diagram of the underwater concrete pouring device of the embodiment of the present invention after the lifting hopper to the guide pipe leave the water surface.
Reference numerals: 1-a drive rod; 2-a rotating member 2; 3-a limiting plate; 4-a hopper; 5-a catheter; 6-a water-resisting layer; 7-a switch member; 8-a hopper mounting frame; 9-a connector; 10-a lifting hook and 11-a hanging part.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, an embodiment of the present invention provides an underwater concrete pouring device for pouring underwater concrete, the device includes: hopper 4, pipe 5, switch 7, actuating lever 1.
Wherein, the hopper 4 is provided with a feeding hole and a discharging hole; the top opening of the conduit 5 is communicated with the discharge hole; the switch 7 is used for plugging the bottom opening of the catheter 5; the driving rod 1 penetrates through the conduit 5 along the axial direction of the conduit 5, the lower part of the driving rod is fixedly connected with the switch part 7, and the driving rod 1 drives the switch part to move up and down to seal or open the bottom opening of the conduit 5.
Specifically, the device also comprises a limiting component which is arranged at the top of the hopper 4 and is used for fixing the position of the driving rod 1 so that the switch piece keeps closing or opening the bottom opening of the conduit 5. The driving rod 1 is kept in two positions when closing or opening the bottom opening of the conduit 5: a first position and a second position.
When the driving rod 1 is positioned at the first position, the switch member 7 closes the bottom opening of the conduit 5; when the driving rod moves downwards for a certain distance in the vertical direction to enable the driving rod 1 to be located at the second position, the switch piece 7 is separated from the bottom opening of the conduit 5, and the switch piece 7 opens the bottom opening of the conduit 5. When the driving lever 1 is vertically arranged, the driving lever 1 is located at the highest position when it is at the first position. Specifically, the distance that the actuating lever moved down a section in vertical direction can be adjusted according to actual conditions, adjusts actuating lever 1 and reciprocates the back, and spacing subassembly keeps actuating lever 1 to be located this position. In practice, the driving rod 1 has a circular cross section, and after the driving rod 1 is lowered, it is preferable that its top is about 30mm higher than the top of the hopper 4 and its bottom is about 8mm lower than the bottom opening of the conduit 5.
Referring to fig. 1, the filling device of the present invention further comprises a hopper mounting frame 8, wherein the hopper mounting frame 8 is connected to the hopper 4 through at least two connecting members 9. Wherein the hopper 4 is detachably mounted on the hopper mounting frame 8. Specifically, the upper part of the hopper 4 is provided with at least two connecting parts, and each connecting part is provided with a connecting hole; at least two connecting pieces 9 are arranged on the hopper mounting frame 8, and hooks are arranged at the end parts of the connecting pieces 9. When the hopper 4 is mounted on the hopper mounting frame 8, each connecting member 9 is hooked with the connecting portion in such a manner that the hook passes through the connecting hole. In this embodiment, the number of connecting portion is four, and four connecting portions symmetry sets up on hopper 4, and when hopper 4 installed hopper mounting bracket 8, hopper 4 was vertically arranged to be convenient for. Specifically, the connecting member 9 is a chain sling, and the connecting portion is a lifting lug.
Wherein, pipe 5 is that a plurality of pipe segments dock in proper order end to end and form, and the butt joint department spraying of pipe 5 has the foamed glue and wraps up and be used for the waterproof sticky tape sealed, fixes the pipe segment and prevents in the water infiltration pipe 5.
Referring to fig. 2, the limit component is movably connected to the upper portion of the driving rod 1, and can be temporarily and fixedly connected to the driving rod 1, for adjusting the position of the driving rod 1 fixedly connected to the limit component, so as to open and close the bottom opening of the conduit 5. In this embodiment, the driving rod 1 has a threaded section at least in the upper part, and the limiting assembly comprises a fixed member and a rotatable member 22; the fixing part is provided with a limiting opening, the driving rod 1 penetrates through the limiting opening, and the rotatable part 2 is located above the limiting opening, sleeved on the driving rod 1 and in threaded fit with the threaded section. Wherein the rotatable member 22 is placed on the stationary member at the restriction. The position of the rotatable part 22 fixedly connected with the driving rod 1 is changed by rotating the rotatable part 22, and the driving rod 1 moves up and down, so that the driving rod 1 is positioned at the first position or the second position, and the switch part 7 is used for closing and opening the bottom opening of the conduit 5. Specifically, the rotatable member 22 may be a nut, the driving rod 1 may be a steel bar, and the nut may be a hexagonal nut. Wherein, the mounting can also include two limiting plates 3, and 4 tops of hopper are erect to two limiting plates 3, the both ends of limiting plate 3 respectively with 4 fixed connection of hopper. A certain distance is left between the two limiting plates 3, and the spacing opening is the distance left between the two limiting plates 3. The mounting can be for welding steel, and in practical application, the mounting can be for two channel-section steels of welding at hopper 4, has the interval between the web of two channel-section steels, forms spacing mouthful, and the net horizontal interval of web slightly is greater than the diameter of actuating lever 1.
As the utility model discloses a spacing subassembly another kind of spacing form, can set up first locating hole and second locating hole on actuating lever 1, spacing subassembly includes the setting element and is used for the mounting of fixed positioning element, the mounting is fixed to be set up, insert the position of mode adjustment actuating lever 1 of first locating hole and second locating hole respectively through the setting element, when the setting element inserts first locating hole, actuating lever 1 is located the first position, switch 7 seals pipe 5 end opening, when the setting element inserts the second locating hole, actuating lever 1 is located the second position, switch 7 separates with pipe 5 end opening, open pipe 5 end opening. The positioning part can be a bolt, the fixing part is provided with a mounting hole for the bolt to pass through, and when the bolt is inserted into the positioning hole of the driving rod 1, the bolt is fixedly positioned in the mounting hole. Meanwhile, the bolt can also be a telescopic piece fixed on the fixing piece and can enter and exit the positioning hole in a telescopic mode.
As the utility model discloses a spacing form of another limit assembly can keep the position of actuating lever 1 through the mode of direct centre gripping, and spacing subassembly includes the clamping part promptly, and clamping part centre gripping actuating lever uses spacing subassembly centre gripping actuating lever 1 when adjustment actuating lever 1 is located the first position, when the actuating lever 1 is located the second position to needs to be changed, and spacing subassembly loosens actuating lever 1, when adjustment actuating lever 1 is located the second position, reuses spacing subassembly centre gripping actuating lever 1.
Referring to fig. 3 and 4, the switch member 7 includes a switch plate having a circular cross section, the switch plate being detachably and fixedly coupled to one end of the driving rod 1, and the switch plate may be a steel plate. For closing the bottom opening of the conduit 5 to the switch boardThe sealing and water insulation are carried out, the side, close to the bottom opening of the guide pipe 5, of the switch board can be provided with a water insulation layer 6, and the water insulation layer 6 can be made of water insulation rubber. The lower part of the driving rod 1 is provided with a threaded section, the center of the switch board is provided with a mounting hole, the switch board is mounted on the driving rod 1 through the mounting hole, then the nut is screwed into the threaded section and is arranged at the bottom of the switch board, and the switch board is detachably connected with one end of the driving rod 1. Wherein, the driving rod 1 may be a steel bar. The conduit 5 can be 299mm conduit 5, and the hopper 4 has a volume of 6m3The utility model has the advantages of, use and pour under water, the practicality is strong. The steel sheet is Q235B material, diameter 380mm, thickness 8mm, and the water proof rubber skin adopts thick 5mm rubber pad, can seal 5 end openings of pipe and water proof effectively.
Adopt the utility model discloses the device of embodiment carries out the method of filling, include following step:
s1, the bottom opening of the guide pipe 5 is closed by the switch piece 7, the bottom opening of the guide pipe 5 is lowered to the designed elevation under water, and then the hopper 4 is filled with concrete.
In the actual work progress, for fixed hopper 4, can be in advance at operation platform installation hopper mounting bracket 8 on water, be equipped with four connecting pieces 9 on the hopper mounting bracket 8, pass the connecting hole of connecting portion with the couple of 9 tip of connecting piece for hopper 4 is installed on 8 mounting brackets of hopper mounting bracket. The filling of the hopper 4 with concrete is the pumping of concrete into the hopper 4.
In order to maintain the position of the driving rod 1, a limit assembly is mounted on the top of the hopper 4 in advance, and when the switch member 7 closes the bottom opening of the guide tube 5 or the switch member 7 opens the bottom opening of the guide tube 5, the position of the driving rod 1 is fixed by the limit assembly.
When the conduit 5 is formed by sequentially butting a plurality of conduit sections end to end, the method can further comprise the following steps before closing the bottom opening of the conduit 5 by using the switch member 7:
1) and a plurality of conduit sections are butted, so that the bottom opening of the conduit 5 can be lowered to the designed elevation underwater, and then the top opening of the conduit 5 is butted with the discharge opening of the hopper 4. Specifically, the bottom of the hopper 4 is provided with a height of a section of conduit section, the conduit section is upwards connected, the conduit section is screwed down, foam adhesive is sprayed at the joint of the conduit sections and wraps a waterproof adhesive tape, the height of the section of conduit section is lowered, finally the section of conduit section is butted with a discharge port of the hopper 4, and the height of the hopper 4 is finely adjusted until the bottom opening of the conduit 5 is positioned at an underwater designed position.
2) The driving rod 1 penetrates from the top of the hopper 4, and the lower end of the driving rod 1 extends out of the bottom opening of the guide pipe 5. After the drive rod 1 is lowered, the top of the drive rod 1 is preferably about 30mm above the top of the hopper 4 and the bottom thereof is about 8mm below the bottom opening of the conduit 5.
3) And lifting the hopper 4 upwards for a certain distance until the bottom opening of the guide pipe 5 is exposed out of the water surface, and installing a switch member 7 at the lower end of the driving rod 1.
In particular, the lifting of the hopper 4 is achieved by means of a suspension device. Referring to fig. 5, the hanging device has a hook 10, the hook 10 is moved to a position above the center of the hopper 4, four hangers 11 are arranged at the hook 10, hooks are arranged at the ends of the hangers 11 and are sequentially connected with the connecting part of the hopper 4, and when the four hangers 11 are in a tight state, the connection between the four connecting parts 9 and the connecting part is released. Referring to fig. 6, after determining that the overall structure of the hopper 4 still meets the specification requirement at the on-site recent maximum wind speed, the hanging device continues to lift the hopper 4, and the overall structure of the pouring device is lifted vertically and stably by keeping the inclination angle of the suspension arm of the hanging device. Referring to fig. 7, the hopper 4 is lifted to the bottom opening of the conduit 5, and the bottom opening is exposed to the water surface to the overwater operation platform, and finally the hoisting is stopped in a hanging state. Wherein, the cable suspension device can be a tower crane or a floating crane, and the cable suspension member 11 can be a steel wire.
Wherein, the specific process of installing the switch member 7 is as follows: a hole is formed in the switch piece 7 with a certain thickness, the diameter of the hole is slightly larger than that of the driving rod 1, and the thicker waterproof layer 6 with the hole formed in the middle is adhered to the upper surface of the switch piece 7. And then the switch 7 is penetrated into the bottom end of the switch 7 from bottom to top, and a nut is sleeved along the lower thread end of the driving rod 1, so that the compressed and deformed waterproof layer 6 and the bottom opening of the conduit 5 are fully pressed and sealed. Finally, the area near the nut on the lower surface of the opening and closing member 7 is tightly covered with a waterproof tape. The switch piece 7 can be made of steel plates, and the water-resisting layer 6 can be made of water-resisting rubber.
After closing the bottom opening of the conduit 5 with the switch member 7, the hopper 4 is mounted to the original position, comprising the steps of: the integral structure of the vertical placement filling device is kept stable in the inclination angle of the suspension arm of the hanging device, and the filling device is placed to the designed elevation underwater from the bottom opening of the guide pipe 5. The four connecting pieces 9 of the hopper mounting frame 8 are sequentially connected with the connecting parts of the hopper 4, each connecting part is in a tightening state, the hooks of the hanging pieces 11 of the hanging device are sequentially loosened to be connected with the connecting parts of the hopper 4, and then the hanging arm of the hanging device is moved away.
And S2, moving the driving rod 1 downwards for a certain distance in the vertical direction, and opening the bottom opening of the guide pipe 5 by the switch 7 to start pouring the underwater concrete. Specifically, the rotatable member 22 is rotated so that the driving rod 1 is moved downward, the switch member 7 is separated from the bottom opening of the guide duct 5, and the switch member 7 opens the guide duct 5 to start pouring the underwater concrete. When the driving rod 1 is a reinforcing bar having upper and lower portions with threaded ends and the rotatable member 22 is a nut, the nut on the upper portion of the reinforcing bar is rotated so that the driving rod 1 moves downward.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are within the scope of the present invention provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (10)
1. An underwater concrete placement device, comprising:
a hopper (4) having a feed inlet and a discharge outlet;
a conduit (5) with a top opening communicated with the discharge opening;
a switch member (7) for sealing the bottom opening of the catheter (5);
the driving rod (1) penetrates through the guide pipe (5) along the axis direction of the guide pipe (5), the lower part of the driving rod is fixedly connected with the switch piece (7), and the driving rod (1) drives the switch piece to move up and down to close or open a bottom opening of the guide pipe (5).
2. An underwater concrete pouring device as claimed in claim 1, wherein: the device also comprises a limiting component which is arranged at the top of the hopper (4) and used for fixing the position of the driving rod (1) so that the switch piece keeps closing or opening the bottom opening of the conduit (5).
3. An underwater concrete pouring device as claimed in claim 2, wherein: the upper part of the driving rod (1) is provided with a threaded section, and the limiting assembly comprises a fixed part and a rotatable part (2);
the fixing piece is provided with a limiting opening, the driving rod (1) penetrates through the limiting opening, the rotatable piece (2) is located above the limiting opening, and the driving rod (1) is sleeved with the rotatable piece and is in threaded fit with the threaded section.
4. An underwater concrete pouring device as claimed in claim 3, wherein: the mounting includes two limiting plates (3), and two limiting plates (3) erect in hopper (4) top, spacing mouthful is the interval that leaves between two limiting plates (3).
5. An underwater concrete pouring device as claimed in claim 3, wherein: the rotatable part (2) is a nut, and the driving rod (1) is a steel bar.
6. An underwater concrete pouring device as claimed in claim 2, wherein: the limiting assembly comprises a clamping portion, and the clamping portion clamps the driving rod (1).
7. An underwater concrete pouring device as claimed in claim 1, wherein: the switch piece (7) is a switch board, the cross section of the switch piece is circular, the switch board is detachably and fixedly connected with the lower end of the driving rod (1), and a water-resisting layer (6) is arranged on the part, in contact with the bottom opening of the guide pipe (5), of the switch board.
8. An underwater concrete pouring device as claimed in claim 1, wherein: the device further comprises a hopper mounting frame (8), and the hopper (4) is detachably mounted on the hopper mounting frame (8).
9. An underwater concrete pouring device as claimed in claim 8, wherein: the upper part of the hopper (4) is provided with at least two connecting parts, and each connecting part is provided with a connecting hole; at least two connecting pieces (9) are arranged on the hopper mounting rack (8), and hooks are arranged at the end parts of the connecting pieces (9);
when the hopper (4) is arranged on the hopper mounting frame (8), each connecting piece (9) is hooked with the connecting part in a mode that the hook penetrates through the connecting hole.
10. An underwater concrete pouring device as claimed in claim 1, wherein: the conduit (5) is formed by sequentially butting a plurality of conduit sections end to end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822093815.5U CN209836799U (en) | 2018-12-13 | 2018-12-13 | Underwater concrete pouring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822093815.5U CN209836799U (en) | 2018-12-13 | 2018-12-13 | Underwater concrete pouring device |
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| Publication Number | Publication Date |
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| CN209836799U true CN209836799U (en) | 2019-12-24 |
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| CN201822093815.5U Active CN209836799U (en) | 2018-12-13 | 2018-12-13 | Underwater concrete pouring device |
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| CN (1) | CN209836799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403217A (en) * | 2018-12-13 | 2019-03-01 | 中国铁路总公司 | Underwater gliders device and method for filling |
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2018
- 2018-12-13 CN CN201822093815.5U patent/CN209836799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403217A (en) * | 2018-12-13 | 2019-03-01 | 中国铁路总公司 | Underwater gliders device and method for filling |
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