CN113481822A - Integrated maintenance device and maintenance method for inner surface of aqueduct - Google Patents
Integrated maintenance device and maintenance method for inner surface of aqueduct Download PDFInfo
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- CN113481822A CN113481822A CN202110853352.1A CN202110853352A CN113481822A CN 113481822 A CN113481822 A CN 113481822A CN 202110853352 A CN202110853352 A CN 202110853352A CN 113481822 A CN113481822 A CN 113481822A
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- aqueduct
- box body
- cofferdam
- communicating
- cofferdam box
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Abstract
The invention provides an integrated maintenance device and a maintenance method for the inner surface of an aqueduct, comprising the following steps: the cofferdam box body comprises two first baffle plates which are parallel to each other and are vertically arranged, a second baffle plate is connected between the vertical side edges of the two first baffle plates, one side edge of the first baffle plate, which is far away from the second baffle plate, is used for abutting against the inner side wall of the aqueduct for sealing, and a communicating window is arranged below the second baffle plate; the two ends of the communicating box body are movably inserted into the connecting windows of the two groups of cofferdam box bodies respectively and are in sealing connection; the driving device comprises a supporting component and a hydraulic element, wherein the hydraulic element is used for driving the supporting component to be spread so as to enable the two sets of cofferdam box bodies and the communicating box bodies to move relatively and carry out enclosure sealing on the inner surface of the aqueduct. The invention can realize the integrated maintenance of the inner side wall and the bottom surface of the aqueduct by one set of maintenance device, and the maintenance device has simple structure and high maintenance efficiency.
Description
Technical Field
The invention relates to the technical field of aqueduct maintenance, in particular to an integrated maintenance device and a maintenance method for an inner surface of an aqueduct.
Background
Aqueduct is an overhead water-transporting building structure for transporting water flow to cross river channels, roads, mountain ditches and the like, and is one of the most widely applied cross building structures in canal system building structures. The aqueduct can be used for conveying canal water for farmland irrigation, urban domestic water and industrial water cross-drainage basin water conveying, and can also provide drainage and diversion functions.
The aqueduct is easy to generate the phenomena of crack on the inner surface of the aqueduct body, aging of a sealing gasket at the connecting seam of the aqueduct, breakage and falling of waterproof paint and the like in the long-time running process, so that the aqueduct is easy to generate the water leakage phenomenon at the crack, if the aqueduct is not thoroughly overhauled and maintained, the risk is gradually accumulated, the aqueduct is finally collapsed at the crack, and once an accident occurs, the great economic loss and the social influence are caused.
Along with the enlargement of urban scale and the increasing of water supply requirements, urban water supply projects after long-time operation become main urban water supply sources, and aqueduct structures often do not have the conditions of water cut-off construction in order to meet the requirements of urban domestic water. Under the condition of no water interruption, a certain construction space can be enclosed in the aqueduct only through specific maintenance equipment, and the enclosed construction space can only maintain a specific surface in the aqueduct, for example, only the inner side wall or the inner bottom surface of the aqueduct can be maintained, but in the actual situation, the connecting seam of the aqueduct exists on the inner side wall and the inner bottom surface of the aqueduct and needs to be maintained together. From this, just need set up the maintenance device of different grade type and come to enclose aqueduct inside wall or interior bottom surface respectively, and then implement respectively and overhaul aqueduct inside wall and interior bottom surface, from this to, then can cause maintenance inefficiency, simultaneously, aqueduct inside wall and in-connection department can't effectively overhaul, and the aqueduct after the maintenance still has the potential safety hazard.
Therefore, how to carry out the integrated maintenance of the inner surface of the aqueduct under the condition of uninterrupted water becomes a great technical problem for the majority of hydraulic engineering workers.
Disclosure of Invention
In view of the above, the invention provides an integrated maintenance device and a maintenance method for an inner surface of an aqueduct, which are used for solving the problem of realizing the integrated maintenance of the inner surface of the aqueduct under the condition of no water interruption.
The technical scheme of the invention is realized as follows:
in one aspect, the invention provides an integrated maintenance device for the inner surface of an aqueduct, which comprises:
the cofferdam box body is symmetrically provided with two groups, the cofferdam box body comprises two first baffle plates which are parallel to each other and are vertically arranged, a second baffle plate is connected between the vertical side edges of the two first baffle plates, one side edge of the first baffle plate, which is far away from the second baffle plate, is used for abutting against the inner side wall of the aqueduct to be sealed, the bottom edge of the first baffle plate is used for abutting against the inner surface of the aqueduct to be sealed, and a communicating window is arranged below the second baffle plate;
the connecting box body is of an inverted U-shaped structure, two ends of the connecting box body are movably inserted into connecting windows of the two groups of cofferdam box bodies respectively, the bottom opening end of the connecting box body is used for abutting against the inner surface of the aqueduct to be sealed, and two opening ends in the length direction of the connecting box body are in sealing connection with the connecting windows on the two groups of cofferdam box bodies respectively;
the driving device comprises a reaction frame, a supporting component and a hydraulic element, wherein the reaction frame is arranged on the top surface of the aqueduct, the hydraulic element is arranged on the reaction frame, the supporting component is respectively connected with the two groups of cofferdam box bodies, and the hydraulic element is used for driving the supporting component to be spread so as to enable the two groups of cofferdam box bodies and the communicating box bodies to move relatively and enclose and seal the inner surface of the aqueduct.
On the basis of the technical scheme, preferably, a first water stop is arranged on one side edge and the bottom edge of the first baffle, which are far away from the second baffle, and a second water stop is arranged at the edge of the bottom of the communicating box body.
Further, preferably, two open ends in the length direction of the communication box body are respectively and fixedly provided with a first limiting frame, one side of the communication window facing the first limiting frame is fixedly provided with a second limiting frame butted with the first limiting frame, and a sealing element is arranged between the first limiting frame and the second limiting frame.
On the basis of the technical scheme, it is preferred, the supporting component is including supporting the montant, support the vertical setting of montant in the middle of two sets of cofferdam boxes, support the top of montant and hydraulic component's flexible end fixed connection, hydraulic component's stiff end and reaction frame fixed connection, the bottom of supporting the montant extends to the aqueduct bottom, be connected with the down tube that quantity and length equal between support montant and the two sets of cofferdam boxes respectively, the both sides of supporting the montant are provided with the equidistant first hinge point that the position is the same along vertical direction, equidistant second hinge point that is provided with the position is the same on the second baffle, the both ends of down tube are connected with first hinge point and second hinge point hinge respectively, and a plurality of the down tube is parallel to each other.
Preferably, the inner surfaces of the first baffle, the second baffle and the communicating box body are fixedly provided with reinforcing frameworks.
Further, preferably, a plurality of travelling wheels are arranged at the bottom of the cofferdam box body.
Preferably, an armrest ladder is vertically arranged in the cofferdam box body.
Preferably, one side of the cofferdam box body, which is impacted by water flow, is connected with the top surface of the aqueduct through a plurality of ropes.
Preferably, one side of the cofferdam box body on the water flow is connected with a chain block.
On the other hand, the invention also provides an integrated maintenance method for the inner surface of the aqueduct, which comprises the following steps:
s1, respectively connecting the communicating box bodies with the two groups of cofferdam box bodies, completing the assembly of the supporting components and the two groups of cofferdam box bodies, and hoisting the assembly into an area to be overhauled in the aqueduct;
s2, mounting a reaction frame and a hydraulic element on the top surface of the aqueduct, and connecting the hydraulic element with the support component;
s3, driving the supporting component to be unfolded through a hydraulic element to enable the two sets of cofferdam box bodies and the communicating box bodies to move relatively to enclose the inner surface of the aqueduct;
s4, after the cofferdam box body is attached to the inner side wall of the aqueduct, and after the communication window on the cofferdam box body is hermetically connected with the communication box body, the first water stop and the second water stop are filled with water to expand, so that the cofferdam box body and the communication box body are closely attached to and sealed with the inner surface of the aqueduct;
s5, evacuating the cofferdam box body and the water in the enclosure space of the communication box body and the aqueduct, so that the cofferdam box body and the communication box body and the inner surface of the aqueduct are enclosed to form a construction space;
s6, descending the cofferdam box body into the aqueduct to overhaul the inner side wall and the inner bottom surface of the aqueduct, slowly releasing pressure of the first water stop and the second water stop after the overhaul construction is completed, ensuring the consistency of the water pressure inside and outside the cofferdam box body and the communicating box body, and moving the overhaul device to carry out the next section of construction.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention discloses an integrated maintenance device for the inner surface of an aqueduct, which is characterized in that two sets of cofferdam box bodies are symmetrically arranged, a supporting component is arranged between the two sets of cofferdam box bodies, a communicating window is arranged below a second baffle of the cofferdam box bodies, two ends of the communicating box bodies with an inverted U-shaped structure are respectively movably inserted into the connecting windows of the two sets of cofferdam box bodies, the supporting component is driven to be spread by a hydraulic element, the two sets of cofferdam box bodies are driven to abut against the inner side wall of the aqueduct by the supporting component, the two sets of cofferdam box bodies and the communicating box bodies move relatively, so that two ends of the communicating box bodies are hermetically connected with the cofferdam box bodies, the cofferdam box bodies and the communicating box bodies are enclosed with the inner surface of the aqueduct to form a sealed construction space, water in the construction space is pumped out, the two inner side walls and the bottom surfaces of the aqueduct can be maintained by descending the cofferdam box bodies, and the maintenance device does not completely cut off the water flow of the aqueduct, the water in the aqueduct can flow from the upper part of the communicating box body, and the transportation and the use of the water flow are not influenced. Meanwhile, the integrated maintenance of the inner surface of the aqueduct can be realized through one set of maintenance device, the maintenance device has simple structure and high maintenance efficiency; (2) the inclined rods with the same number and length are respectively connected between the vertical supporting rods and the two groups of cofferdam boxes, so that when the vertical supporting rods are driven by a hydraulic element to move downwards, the inclined rods on the two sides of the vertical supporting rods can synchronously drive the cofferdam boxes to move horizontally towards the side wall of the aqueduct, and the two groups of cofferdam boxes can be ensured to synchronously move relative to the communicating box, so that the cofferdam boxes can effectively abut against the inner side wall of the aqueduct, and meanwhile, the cofferdam boxes are ensured to be connected with the communicating box in a sealing manner;
(3) the first limiting frames are arranged at the two open ends of the communicating box body, the second limiting frames are arranged on the communicating window, the relative motion amount of the cofferdam box body and the communicating box body can be limited, the communicating box body is prevented from being separated from the cofferdam box body, meanwhile, the sealing element is arranged between the first limiting frames and the second limiting frames, the sealing element can be extruded when the cofferdam box body and the communicating box body move to the limit relatively, and further the effective sealing between the cofferdam box body and the communicating box body is realized;
(4) the travelling wheels are arranged at the bottom of the cofferdam box body, so that the cofferdam box body is more stable and smooth when moving towards the side wall of the aqueduct horizontally, and the friction force between the cofferdam box body and the bottom surface of the aqueduct is reduced;
(5) one side of the cofferdam box body, which is impacted by the water flow, is connected with the top surface of the aqueduct through a plurality of ropes, so that the cofferdam box body can be drawn by the ropes, the impact of the water flow in the aqueduct on the cofferdam box body is avoided, and the cofferdam box body is more stably sealed by abutting against the inner side of the aqueduct;
(6) a chain block is connected to one side of the lower water flow of the cofferdam box body, so that the maintenance device can be conveniently pulled and moved when the next construction maintenance position is changed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a maintenance device disclosed by the present invention in an inoperative state;
FIG. 2 is a schematic structural view of a maintenance device according to the present disclosure;
FIG. 3 is a schematic perspective view of the maintenance device disclosed in the present invention;
FIG. 4 is a schematic structural diagram of a cofferdam box body disclosed by the invention;
FIG. 5 is a schematic view of a longitudinal cross-sectional structure of the disclosed service device;
the attached drawings are as follows:
s, aqueduct; 1. a cofferdam box body; 2. the box body is communicated; 3. a drive device; 11. a first baffle plate; 12. a second baffle; 13. a communication window; 31. a reaction frame; 32. a support assembly; 33. a hydraulic component; 111. a first water stop; 21. a second water stop; 21. a first limit frame; 131. a second limit frame; 4. a seal member; 321. supporting the vertical rod; 322. a diagonal bar; 3211. a first hinge point; 121. a second hinge point; 14. a traveling wheel; 5. a rope; 6. a chain block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, with reference to fig. 2-4, the embodiment of the invention discloses an integrated maintenance device for an inner surface of an aqueduct, which comprises a cofferdam box body 1, a communicating box body 2 and a driving device 3.
Wherein, cofferdam box 1, the symmetry is provided with two sets ofly, cofferdam box 1 includes two first baffles 11 that are parallel to each other and vertical setting, be connected with second baffle 12 between two vertical sides of first baffle 11, first baffle 11 and second baffle 12 are steel construction material, seal welding between two first baffle 11 and the second baffle 12, cofferdam box 1 is the cylindricality trough-shaped, cofferdam box 1 places in the aqueduct, can enclose out construction space with the aqueduct inside wall, the base of first baffle 11 can be used for supporting and holding and seal on the aqueduct internal surface, one side that second baffle 12 was kept away from to first baffle 11 can be used for supporting and holding and seal on the aqueduct inside wall, intercommunication window 13 has been seted up to the below of second baffle 12, conveniently be used for being connected with intercommunication box 2.
The communicating box body 2 is in an inverted U-shaped structure, two ends of the communicating box body 2 are respectively and movably inserted into connecting windows of the two groups of cofferdam box bodies 1, the bottom opening end of the communicating box body 2 is used for being propped against the inner surface of the aqueduct for sealing, two opening ends in the length direction of the communicating box body 2 are respectively and hermetically connected with the communicating windows 13 on the two groups of cofferdam box bodies 1, after the communicating box body 2 is connected with the two groups of cofferdam box bodies 1, when the cofferdam box body 1 is contacted with the inner bottom surface of the aqueduct, two bottom edges of the communicating box body 2 are also propped against the inner surface of the aqueduct, when the two groups of cofferdam box bodies 1 move oppositely relative to the communicating box body 2, the cofferdam box body 1 can be connected with the communicating box body 2 in a sealing way through the communicating window 13, therefore, the whole formed by the two groups of cofferdam box bodies 1 and the communicating box body 2 and the inner surface of the aqueduct enclose a construction space, and the maintenance of the inner side wall and the inner bottom surface of the aqueduct can be conveniently carried out in the construction space.
In order to realize the opposite movement of the two groups of cofferdam box bodies 1 relative to the communicating box body 2, the invention is realized by the driving device 3, the driving device 3 comprises a reaction frame 31, a supporting component 32 and a hydraulic component 33, the reaction frame 31 is arranged on the top surface of the aqueduct, the hydraulic component 33 is arranged on the reaction frame 31, the supporting component 32 is respectively connected with the two groups of cofferdam box bodies 1, and the hydraulic component 33 is used for driving the supporting component 32 to expand so as to lead the two groups of cofferdam box bodies 1 and the communicating box body 2 to generate the relative movement and carry out the enclosure sealing on the inner surface of the aqueduct.
Adopt above-mentioned technical scheme, prop up through hydraulic component 33 drive supporting component 32, supporting component 32 drive two sets of cofferdam box 1 to aqueduct inside wall translation and lean on with the aqueduct inside wall, two sets of cofferdam box 1 and intercommunication box 2 take place relative motion, and then make the both ends and the cofferdam box 1 sealing connection of intercommunication box 2, cofferdam box 1 and intercommunication box 2 enclose into sealed construction space with the aqueduct internal surface jointly, through managing to find time the water in the construction space, then accessible cofferdam box 1 descends to overhaul aqueduct both inside walls and bottom surface in the construction space, the maintenance device is incomplete to cut off the rivers of aqueduct, the water in the aqueduct can flow from intercommunication box 2 top, do not influence the transportation use of rivers. Meanwhile, the integrated maintenance of the inner surface of the aqueduct can be realized through one set of maintenance device, the maintenance device is simple in structure, and the maintenance efficiency is high.
In order to form a sealed construction space after the cofferdam box body 1 and the communication box body 2 are enclosed with the inner surface of the aqueduct together, a first water stop belt 111 is arranged on one side edge and the bottom edge of the first baffle plate 11 far away from the second baffle plate 12, and a second water stop belt 21 is arranged on the edge of the bottom of the communication box body 2. From this, after supporting component 32 drive cofferdam box 1 translation and support with the aqueduct inside wall and lean on, fill water pressurization through first waterstop 111 and second waterstop 21, first waterstop 111 and second waterstop 21 expand after filling water to extrude the aqueduct internal surface, thereby make cofferdam box 1 and intercommunication box 2 and aqueduct internal surface sealing laminating, and then make the construction space after the enclosure become sealed space, avoid in the water entering space in the aqueduct.
In order to enable the cofferdam box body 1 and the communicating box body 2 to be connected in a sealing way and avoid the water in the aqueduct from permeating through the connecting part of the communicating box body 2 and the cofferdam box body 1, the technical proposal adopted by the invention is that a first limit frame 21 is respectively and fixedly arranged at the two open ends in the length direction of the communicating box body 2, a second limit frame 131 which is butted with the first limit frame 21 is fixedly arranged at one side of the communicating window 13 facing the first limit frame 21, therefore, the relative movement amount of the cofferdam box body 1 and the communicating box body 2 can be limited, the communicating box body 2 is prevented from falling off the cofferdam box body 1, the sealing element 4 is arranged between the first limiting frame 21 and the second limiting frame 131, the cofferdam box body 1 and the communicating box body 2 can be extruded when the relative movement reaches the limit, further, the cofferdam box 1 and the communicating box 2 are effectively sealed, and the sealing member 4 is preferably a rubber gasket or a gasket made of other materials.
As some preferred embodiments, the supporting component 32 includes a supporting vertical rod 321, the supporting vertical rod 321 is vertically disposed in the middle of the two sets of cofferdam box bodies 1, the top end of the supporting vertical rod 321 is fixedly connected with the telescopic end of the hydraulic component 33, the fixed end of the hydraulic component 33 is fixedly connected with the reaction frame 31, the bottom end of the supporting vertical rod 321 extends to the bottom of the aqueduct, the supporting vertical rod 321 and the two sets of cofferdam box bodies 1 are respectively connected with an inclined rod 322 with equal number and length, first hinge points 3211 with the same position are disposed at equal intervals along the vertical direction on both sides of the supporting vertical rod 321, second hinge points 121 with the same position are disposed at equal intervals on the second baffle 12, both ends of the inclined rod 322 are respectively hinged with the first hinge point 3211 and the second hinge point 121, and the inclined rods 322 are parallel to each other.
By adopting the technical scheme, when the hydraulic element 33 extends downwards, the support vertical rods 321 are driven to move towards the bottom of the aqueduct, because the two ends of the diagonal rods 322 are respectively hinged with the support rods and the cofferdam box bodies 1, and meanwhile, the diagonal rods 322 with equal quantity and length are respectively connected between the support vertical rods 321 and the two sets of cofferdam box bodies 1, when the hydraulic element 33 drives the support vertical rods 321 to move downwards, the diagonal rods 322 at the two sides of the support vertical rods 321 can be synchronously propped against the support vertical rods 321, so as to drive the cofferdam box bodies 1 to move horizontally towards the side wall of the aqueduct, so that the two sets of cofferdam box bodies 1 can be ensured to synchronously and relatively translate with the communication box body 2, so that the cofferdam box bodies 1 can be effectively propped against the inner side wall of the aqueduct, and the sealed connection between the cofferdam box bodies 1 and the communication box body 2 is ensured, thereby facilitating the maintenance and overhaul of the two sides of the aqueduct through the two sets of cofferdam box bodies 1, the construction efficiency is higher.
As some embodiments, the inner surfaces of the first baffle 11, the second baffle 12 and the inner surface of the communicating box 2 are all fixedly provided with a reinforcing framework (not shown in the figure), so that the structural strength of the cofferdam box 1 and the communicating box 2 can be improved, and the cofferdam box is prevented from deforming under the action of water flow impact, and further poor sealing performance after being surrounded by the inner surface of the aqueduct is avoided.
Preferably, a plurality of travelling wheels 14 are arranged at the bottom of the cofferdam box body 1. Through being provided with a plurality of walking wheels 14 at cofferdam box 1 bottom for cofferdam box 1 is more steady smooth and easy when the level removes towards the aqueduct lateral wall, reduces the frictional force of cofferdam box 1 and aqueduct bottom surface.
As some preferred embodiments, an armrest ladder is vertically arranged in the cofferdam box body 1, and after water in a working area enclosed by the cofferdam box body 1 and the aqueduct in a sealing way is pumped out by a water pump, personnel can descend into the aqueduct through the armrest ladder to construct the side wall of the aqueduct.
Referring to fig. 5, as some embodiments, one side of the cofferdam box 1 where the water current impacts is connected to the aqueduct ceiling by a plurality of ropes 5. By adopting the technical scheme, the rope 5 can be used for drawing the cofferdam box body 1, so that the impact of water flow in the aqueduct on the cofferdam box body 1 is avoided, the cofferdam box body 1 is separated from the inner side wall of the aqueduct, and the cofferdam box body 1 is supported against the inner side of the aqueduct to be sealed more stably.
As some examples, a chain block 6 is connected to one side of the cofferdam box 1 where the downward flow impacts. The maintenance device is convenient to pull and move when the next construction maintenance position is changed.
The invention also discloses an integrated maintenance method for the inner surface of the aqueduct, which comprises the following steps:
s1, respectively connecting the communicating box body 2 with the two groups of cofferdam box bodies 1, completing the assembly of the supporting component 32 and the two groups of cofferdam box bodies 1, and hoisting the combination body into an area to be overhauled in the aqueduct;
s2, mounting the reaction frame 31 and the hydraulic element 33 on the top surface of the aqueduct, and connecting the hydraulic element 33 with the support component 32;
s3, driving the supporting component 32 to be opened through the hydraulic component 33 to enable the two sets of cofferdam box bodies 1 and the communicating box body 2 to move relatively to enclose the inner surface of the aqueduct;
s4, after the cofferdam box body 1 is attached to the inner side wall of the aqueduct, and after the communication window 13 on the cofferdam box body 1 is hermetically connected with the communication box body 2, the first water stop 111 and the second water stop 21 are filled with water to expand, so that the cofferdam box body 1 and the communication box body 2 are closely attached to and sealed with the inner surface of the aqueduct;
s5, evacuating the cofferdam box body 1 and the water in the enclosure space of the communicating box body 2 and the aqueduct, so that the cofferdam box body 1 and the communicating box body 2 and the inner surface of the aqueduct are enclosed to form a construction space;
s6, the inner side wall and the inner bottom surface of the aqueduct are overhauled when the cofferdam box body 1 descends into the aqueduct, after the overhauling construction is completed, the first water stop 111 and the second water stop 21 are slowly released, the consistency of the water pressure inside and outside the cofferdam box body 1 and the communicating box body 2 is ensured, and the overhauling device is moved to carry out the next section of construction.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a aqueduct internal surface integration overhauls device which characterized in that includes:
the cofferdam box body (1) is symmetrically provided with two groups, the cofferdam box body (1) comprises two first baffle plates (11) which are parallel to each other and are vertically arranged, a second baffle plate (12) is connected between the vertical side edges of the two first baffle plates (11), one side edge of the first baffle plate (11) far away from the second baffle plate (12) is used for abutting against the inner side wall of the aqueduct (S) for sealing, the bottom edge of the first baffle plate (11) is used for abutting against the inner surface of the aqueduct for sealing, and a communication window (13) is arranged below the second baffle plate (12);
the connecting box body (2) is of an inverted U-shaped structure, two ends of the connecting box body (2) are movably inserted into connecting windows of the two groups of cofferdam box bodies (1) respectively, the bottom opening end of the connecting box body (2) is used for abutting against the inner surface of the aqueduct to be sealed, and two opening ends in the length direction of the connecting box body (2) are in sealing connection with the connecting windows (13) on the two groups of cofferdam box bodies (1) respectively;
the driving device (3) comprises a reaction frame (31), a supporting assembly (32) and a hydraulic element (33), wherein the reaction frame (31) is arranged on the top surface of the aqueduct, the hydraulic element (33) is arranged on the reaction frame (31), the supporting assembly (32) is respectively connected with the two sets of cofferdam box bodies (1), and the hydraulic element (33) is used for driving the supporting assembly (32) to be unfolded so that the two sets of cofferdam box bodies (1) and the communicating box body (2) move relatively and carry out enclosure sealing on the inner surface of the aqueduct.
2. The aqueduct inner surface integrated overhaul device as set forth in claim 1, wherein: a first water stop (111) is arranged on one side edge and the bottom edge of the first baffle (11) far away from the second baffle (12), and a second water stop (21) is arranged at the bottom edge of the communicating box body (2).
3. The aqueduct inner surface integrated overhaul device as set forth in claim 2, wherein: the connecting box is characterized in that two open ends in the length direction of the connecting box body (2) are respectively and fixedly provided with a first limiting frame (21), one side of the connecting window (13) facing the first limiting frame (21) is fixedly provided with a second limiting frame (131) butted with the first limiting frame (21), and a sealing element (4) is arranged between the first limiting frame (21) and the second limiting frame (131).
4. The aqueduct inner surface integrated overhaul device as set forth in claim 1, wherein: support assembly (32) are including supporting montant (321), support montant (321) vertical setting in the middle of two sets of cofferdam box (1), the top of supporting montant (321) and the flexible end fixed connection of hydraulic component (33), the stiff end and reaction frame (31) fixed connection of hydraulic component (33), the bottom of supporting montant (321) extends to the aqueduct bottom, be connected with down tube (322) that quantity and length equal respectively between supporting montant (321) and the two sets of skeleton boxes, the both sides of supporting montant (321) are provided with the first hinge point (3211) that the position is the same along vertical direction equidistant, the equipartition interval is provided with the same second hinge point (121) in position on second baffle (12), the both ends of down tube (322) are connected with first hinge point (3211) and second hinge point (121) hinge respectively, and a plurality of down tube (322) are parallel to each other.
5. The aqueduct inner surface integrated overhaul device as set forth in claim 1, wherein: and reinforcing frameworks are fixedly arranged on the inner surfaces of the first baffle (11), the second baffle (12) and the communication box body (2).
6. The aqueduct inner surface integrated overhaul device as set forth in claim 5, wherein: the bottom of the cofferdam box body (1) is provided with a plurality of travelling wheels (14).
7. The aqueduct inner surface integrated overhaul device as set forth in claim 1, wherein: an armrest ladder is vertically arranged in the cofferdam box body (1).
8. The aqueduct inner surface integrated overhaul device as set forth in claim 1, wherein: one side of the cofferdam box body (1) impacted by water flow is connected with the top surface of the aqueduct through a plurality of ropes (5).
9. The aqueduct inner surface integrated overhaul device as set forth in claim 1, wherein: one side of the cofferdam box body (1) on the water flow is connected with a chain block (6).
10. An integrated overhaul method for the inner surface of an aqueduct, which utilizes the integrated overhaul device for the inner surface of the aqueduct as claimed in any one of claims 1 to 9, and is characterized by comprising the following steps:
s1, respectively connecting the communicating box body (2) with the two groups of cofferdam box bodies (1), completing the assembly of the supporting component (32) and the two groups of cofferdam box bodies (1), and hoisting the assembly into an area to be overhauled in the aqueduct;
s2, mounting a reaction frame (31) and a hydraulic element (33) on the top surface of the aqueduct, and connecting the hydraulic element (33) with the support component (32);
s3, driving the supporting component (32) to be opened through the hydraulic component (33) to enable the two groups of cofferdam box bodies (1) and the communicating box body (2) to move relatively to enclose the inner surface of the aqueduct;
s4, after the cofferdam box body (1) is attached to the inner side wall of the aqueduct, and after a communication window (13) on the cofferdam box body (1) is hermetically connected with the communication box body (2), the first water stop (111) and the second water stop (21) are filled with water to expand, so that the cofferdam box body (1) and the communication box body (2) are attached to the inner surface of the aqueduct and are sealed;
s5, evacuating the cofferdam box body (1) and communicating the box body (2) with water in the enclosure space of the aqueduct, so that the cofferdam box body (1) and the communicating box body (2) are enclosed with the inner surface of the aqueduct to form a construction space;
s6, descending the cofferdam box body (1) into the aqueduct to overhaul the inner side wall and the inner bottom surface of the aqueduct, slowly releasing pressure of the first water stop and the second water stop after the overhaul construction is completed, ensuring the consistency of the water pressure inside and outside the cofferdam box body (1) and the communicating box body (2), and moving the overhaul device to carry out the next section of construction.
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Address after: Jucheng scientific research building, No.4, wudayuan Road, Wuda Science Park, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee after: Wuhan Jucheng Structure Group Co.,Ltd. Address before: Jucheng scientific research building, No.4, wudayuan Road, Wuda Science Park, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee before: WUDA JUCHENG STRUCTURE Co.,Ltd. |
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