CN112832147A - Side wall overhauling device and method for aqueduct under condition of uninterrupted water - Google Patents
Side wall overhauling device and method for aqueduct under condition of uninterrupted water Download PDFInfo
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- CN112832147A CN112832147A CN202110104709.6A CN202110104709A CN112832147A CN 112832147 A CN112832147 A CN 112832147A CN 202110104709 A CN202110104709 A CN 202110104709A CN 112832147 A CN112832147 A CN 112832147A
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- aqueduct
- cofferdam
- box body
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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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- 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
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The invention provides a side wall overhauling device and an overhauling method for an aqueduct under the condition of no water interruption, comprising two groups of cofferdam devices which are symmetrically arranged, wherein each cofferdam device comprises a skeleton box body, one vertical side surface and the bottom surface of each skeleton box body are respectively used for abutting against the inner side wall and the inner bottom surface of the aqueduct for sealing, and water baffle plates are arranged on the other three vertical side surfaces of each skeleton box body; the driving device comprises a reaction frame, supporting components and a hydraulic element, wherein the reaction frame is arranged on a walkway plate where the top surface of the aqueduct is located, the hydraulic element is arranged on the reaction frame, the supporting components are respectively connected with the two sets of cofferdam devices, and the hydraulic element is used for driving the supporting components to be spread so that the two sets of cofferdam devices respectively enclose and seal the two inner side walls of the aqueduct. The two sets of cofferdam devices can simultaneously carry out enclosure sealing on two sides of the aqueduct, the cofferdam devices incompletely cut off the water flow of the aqueduct, the transportation and the use of the water flow are not influenced, the inner side wall of the aqueduct can be overhauled and maintained, and the cofferdam device is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of aqueduct maintenance, in particular to a side wall maintenance device and a side wall maintenance method for an aqueduct under the condition of uninterrupted water.
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 of the side wall of the aqueduct body, aging of a sealing gasket at the connecting joint of the aqueduct, breakage and falling of waterproof paint and the like in the long-time running process, so that the water leakage phenomenon at the connecting joint of the aqueduct is caused, if the aqueduct is not thoroughly overhauled and maintained, the risk is gradually accumulated, finally the connecting joint of the aqueduct is collapsed, and once an accident occurs, the great economic loss and 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. Because the aqueduct section is not allowed to be constructed in a water-cut way, the conventional maintenance measures are only to carry out consolidation grouting reinforcement and repair on the exterior of the aqueduct, the problems of maintenance and repair at the joint can not be thoroughly solved in the aqueduct, and the engineering requirements can not be met.
Therefore, the maintenance of the side wall of the aqueduct under the condition of uninterrupted water becomes a great technical problem for vast hydraulic engineering workers.
Disclosure of Invention
In view of the above, the invention provides a sidewall overhauling device and method for an aqueduct under the condition of no water interruption, which are used for solving the defects in the prior art.
The technical scheme of the invention is realized as follows:
on one hand, the invention provides a side wall overhauling device for an aqueduct under the condition of no water interruption, which comprises a cofferdam device and a driving device; wherein the content of the first and second substances,
the cofferdam device comprises two groups of cofferdam devices symmetrically arranged, each cofferdam device comprises a framework box body, one vertical side face of each framework box body is used for abutting against the inner side wall of the aqueduct for sealing, the bottom face of each framework box body is used for abutting against the inner bottom face of the aqueduct for sealing, and water baffles are arranged on the other three vertical side faces of each framework box body;
the driving device comprises a reaction frame, supporting components and a hydraulic element, wherein the reaction frame is arranged on a walkway plate where the top surface of the aqueduct is located, the hydraulic element is arranged on the reaction frame, the supporting components are respectively connected with the two sets of cofferdam devices, and the hydraulic element is used for driving the supporting components to be spread so that the two sets of cofferdam devices respectively enclose and seal the two inner side walls of the aqueduct.
On the basis of the technical scheme, preferably, the outer contour of the framework box body is matched with the inner contour of the aqueduct, and water stops are arranged on the surfaces, in contact with the aqueduct, of the framework box body.
Further, preferably, a plurality of travelling wheels are arranged at the bottom of the framework box body.
On the basis of the technical scheme, preferably, the supporting component is including supporting the montant, support the vertical setting of montant in the middle of two sets of cofferdams device, 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, support and be connected with the down tube that quantity and length equal between montant and the two sets of skeleton 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, the one side that two sets of skeleton boxes are relative is provided with the equal interval in vertical direction the second hinge point that the position is the same along the equipartition interval, the both ends of down tube are connected with first hinge point and second hinge point hinge respectively, and are a plurality of the.
Further, preferably, one side of the framework box body, which is contacted with the inner side wall of the aqueduct, is provided with a limiting wheel, and the wheel edge of the limiting wheel protrudes out of the outer edge of the water stop.
Preferably, an armrest ladder is vertically arranged in the framework box body.
Preferably, one side of the cofferdam device, which is impacted by water flow, is connected with the pull rod on the top surface of the aqueduct through a plurality of ropes.
Preferably, one side of the cofferdam device, which is far away from the impact of the water flow, is connected with a chain block.
On the other hand, the invention also discloses a side wall overhauling method for the aqueduct under the condition of uninterrupted water on the basis of the side wall overhauling device for the aqueduct under the condition of uninterrupted water, which comprises the following steps:
s1, assembling the support assembly and the two sets of cofferdam devices, hoisting and placing the support assembly and the two sets of cofferdam devices into an area to be overhauled of the aqueduct, and enabling the cofferdam devices to be in contact with the bottom surface of the aqueduct;
s2, mounting a reaction frame and a hydraulic element on the walkway plate on the top surface of the aqueduct, and connecting the hydraulic element with the supporting component;
s3, driving the support component to be unfolded through a hydraulic element to enable the two sets of cofferdam devices to respectively enclose the two inner side walls of the aqueduct;
s4, after the framework box body is attached to the side wall of the aqueduct, the waterstop is filled with water to expand, is close to and sealed with the side wall and the bottom surface of the aqueduct, and water in the enclosure space of the framework box body and the aqueduct is pumped out to enable the framework box body and the aqueduct to be enclosed into a construction space;
s5, after the construction and maintenance operation is completed, the water stop belt is slowly released, the consistency of the water pressure inside and outside the framework box body is ensured, and the cofferdam device is moved to carry out the next section of construction.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention discloses a side wall overhaul device for an aqueduct under the condition of no water interruption, which comprises two sets of symmetrically arranged cofferdam devices, wherein the two sets of cofferdam devices are arranged in the aqueduct and are driven by a hydraulic element to expand so as to respectively enclose two inner side walls of the aqueduct, one side surface and the bottom surface of a framework box body are respectively abutted against the inner side wall and the bottom plate of the aqueduct, and the other three vertical side surfaces of the framework box body are respectively provided with a water baffle plate, so that the two sets of cofferdam devices can simultaneously enclose and seal two sides of the aqueduct, water in the aqueduct circulates around the cofferdam devices to the downstream, water in a working area enclosed by the cofferdam devices and the aqueduct is pumped out by a water pump, personnel can descend into the aqueduct to construct the side wall of the aqueduct, the water flow of the aqueduct is incompletely, can overhaul and maintain the inner side wall of the aqueduct, and is suitable for popularization and use.
(2) The waterstop is arranged on the surface, in contact with the aqueduct, of the framework box body, after the framework box body is attached to the side wall of the aqueduct, the waterstop is filled with water to expand and extrudes the aqueduct, so that the framework box body and the aqueduct are better in sealing type, and water in the aqueduct is prevented from entering a working area formed by sealing and enclosing the weir device and the aqueduct. (3) Through the inclined rods with the same quantity and length respectively connected between the supporting vertical rods and the two groups of framework box bodies, when the supporting vertical rods are driven by the hydraulic element to move downwards, the inclined rods on the two sides of the supporting vertical rods can synchronously drive the cofferdam device to move horizontally towards the side wall of the aqueduct, and the installation synchronism of the cofferdam device is ensured.
(4) Through being provided with a plurality of walking wheels at skeleton box bottom for the cofferdam device is more steady smooth and easy when the level removes towards the aqueduct lateral wall, reduces the frictional force of skeleton box and aqueduct bottom surface.
(5) One side of the water flow impact on the cofferdam device is connected with the pull rod on the top surface of the aqueduct through a plurality of ropes, the cofferdam device can be pulled by the ropes, the impact of the water flow in the aqueduct on the cofferdam device is avoided, and the cofferdam device is supported on the inner side of the aqueduct to be more stable in sealing.
(6) One side of keeping away from the rivers impact through the cofferdam device is connected with chain block, conveniently carries out the tractive removal to the cofferdam device when changing next construction and overhaul position.
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 diagram of an initial state of a side wall maintenance device for a aqueduct under a condition of uninterrupted water, which is disclosed by the invention;
FIG. 2 is a schematic structural diagram of a service state of the side wall maintenance device for the aqueduct under the condition of no water interruption, which is disclosed by the invention;
FIG. 3 is a schematic structural view of a cofferdam apparatus disclosed in the present invention;
fig. 4 is a schematic longitudinal section view of the side wall maintenance device for the aqueduct under the condition of uninterrupted water.
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. 2-3, the embodiment of the present invention discloses a sidewall overhaul device for aqueduct under the condition of no water interruption, which comprises a cofferdam device 1 and a driving device 2.
Wherein, cofferdam device 1, the symmetry is provided with two sets ofly for place in aqueduct S, and cofferdam device 1 includes skeleton box 11, and in this embodiment, skeleton box 11 adopts steel structural framework to constitute, and its shape is square form, when in actual use, vertically places in aqueduct S. One of them vertical side of skeleton box 11 is used for leaning on to seal on the inside wall of aqueduct, the bottom surface of skeleton box 11 is used for leaning on to seal on the aqueduct inner bottom surface, all be provided with breakwater 12 on the other three vertical side of skeleton box 11, from this, can make skeleton box 11 and aqueduct seal and enclose synthetic construction area, the water that flows in the aqueduct can't get into this construction area, this construction area is after pumping dry water through the water pump, can make things convenient for personnel to descend and overhaul the aqueduct lateral wall in the aqueduct, the maintenance, simultaneously, water in the aqueduct bypasses 1 circulation to low reaches of cofferdam device, do not influence the transportation use of rivers.
Because the water flow has a certain water level in the aqueduct, after the cofferdam device 1 is placed in the aqueduct, the water flow can submerge the cofferdam device 1, so that the cofferdam device 1 is required to be moved by adopting a power device to enclose the side wall of the aqueduct to be overhauled, and meanwhile, in the actual use process of the aqueduct, the phenomena of aging of a sealing gasket, breakage and falling of waterproof paint and the like can occur in the connecting seams of the two inner sides of the aqueduct, so that the two inner sides of the aqueduct are required to be overhauled and maintained.
Therefore, the driving device 2 is adopted to drive the two groups of cofferdam devices 1 to synchronously and horizontally move so as to enclose the two sides of the aqueduct.
Specifically, the driving device 2 comprises a reaction frame 21, a supporting component 22 and a hydraulic element 23, wherein the reaction frame 21 is arranged on a walkway plate on which the top surface of the aqueduct is arranged, and specifically, the reaction frame 21 can move on the walkway plate and be fixed at a fixed point. The hydraulic elements 23 are arranged on the reaction frame 21, the supporting assemblies 22 are respectively connected with the two groups of cofferdam devices 1, and the hydraulic elements 23 are used for driving the supporting assemblies 22 to be opened so that the two groups of cofferdam devices 1 respectively carry out enclosure sealing on the two inner side walls of the aqueduct.
By adopting the technical scheme, after the two sets of cofferdam devices 1 are symmetrically arranged and placed in the aqueduct, the two sets of cofferdam devices 1 are driven by the hydraulic element 23 to prop the supporting component 22 open, so that the two inner side walls of the aqueduct are respectively enclosed by the two sets of cofferdam devices 1, because one side surface and the bottom surface of the framework box body 11 are respectively propped against the inner side wall and the bottom plate of the aqueduct, and the other three vertical side surfaces of the framework box body 11 are respectively provided with the water baffle plates 12, the two sets of cofferdam devices 1 can simultaneously enclose and seal the two sides of the aqueduct, so that the water in the aqueduct circulates around the cofferdam devices 1 to the downstream, the water in a working area enclosed by the cofferdam devices 1 and the aqueduct in a sealing way is pumped out by a water pump, personnel can descend into the aqueduct to construct the side wall of the aqueduct, the coffer, Maintenance, and is suitable for popularization and use.
In order to fully seal the framework box body 11 and the inner side of the aqueduct after enclosing, the invention adopts the technical scheme that: the outline of the framework box body 11 is matched with the outline of the inner side of the aqueduct, so that the framework box body 11 can be fully attached to the inner side of the aqueduct, and the water stop belts 13 are arranged on the surfaces of the framework box body 11, which are in contact with the aqueduct. By adopting the technical scheme, after the framework box body 11 is attached to the side wall of the aqueduct, the water stop belt 13 is filled with water to expand and extrude the aqueduct, so that the framework box body 11 and the aqueduct are better in sealing type, and the water in the aqueduct is prevented from entering a working area enclosed by the cofferdam device 1 and the aqueduct in a sealing way.
In the above embodiment, the water stop 13 is a fire hose, and in an initial state, the water stop is in a shrivelled state, and after the framework box body 1 is attached to the aqueduct S, the fire hose is filled with water and pressurized by a hydraulic system, and the fire hose begins to expand fully, so that the framework box body and the aqueduct side wall are attached tightly, and sealing between the framework box body and the aqueduct side wall is realized.
As a preferred embodiment of the present invention, referring to fig. 3, the supporting assembly 22 of the present invention includes a supporting vertical rod 221, the supporting vertical rod 221 is vertically disposed in the middle of the two sets of cofferdam devices 1, the top end of the supporting vertical rod 221 is fixedly connected to the telescopic end of the hydraulic unit 23, the fixed end of the hydraulic unit 23 is fixedly connected to the reaction frame 21, the bottom end of the supporting vertical rod 221 extends toward the bottom of the aqueduct, the supporting vertical rod 221 and the two sets of framework boxes 11 are respectively connected to an inclined rod 222 with equal number and length, the two sides of the supporting vertical rod 221 are provided with first hinge points 2211 with the same position at equal intervals along the vertical direction, the opposite surfaces of the two sets of framework boxes 11 are provided with second hinge points 111 with the same position at equal intervals along the vertical direction, the two ends of the inclined rod 222 are respectively hinged to the first hinge points 2211 and the second hinge points 111, and. By adopting the technical scheme, when the hydraulic unit 23 extends downwards, the supporting vertical rod 221 is driven to move towards the bottom of the aqueduct, the two ends of the diagonal rod 222 are respectively hinged with the supporting rod and the framework box bodies 11, and meanwhile, the diagonal rods 222 with the same quantity and length are respectively connected between the supporting vertical rod 221 and the two groups of framework box bodies 11, so that when the hydraulic unit 23 drives the supporting vertical rod 221 to move downwards, the diagonal rods 222 on the two sides of the supporting vertical rod 221 can be synchronously propped relative to the supporting vertical rod 221, the cofferdam device 1 is driven to horizontally move towards the side wall of the aqueduct, and then the two groups of cofferdam devices 1 respectively envelop the two inner sides of the aqueduct, the installation and use synchronism of the cofferdam device 1 is ensured, the two sides of the aqueduct can be conveniently maintained and overhauled simultaneously through the.
In the above embodiment, the hydraulic element 23 may be a jack or a hydraulic cylinder.
As some preferred embodiments, the bottom of the skeleton box 11 is provided with a plurality of road wheels 14. Through being provided with a plurality of walking wheels 14 in skeleton box 11 bottom for cofferdam device 1 is more steady smooth and easy when the level removes towards the aqueduct lateral wall, reduces the frictional force of skeleton box 11 and aqueduct bottom surface.
As some optional embodiments, the side of the framework box body 11, which is contacted with the inner side wall of the aqueduct, is provided with a limiting wheel 15, and the wheel edge of the limiting wheel 15 protrudes out of the outer edge of the water stop belt 13. By adopting the technical scheme, in the process of attaching the inner side of the aqueduct by driving the framework box body 11 through the supporting component 22, after the horizontal movement is in place, the limiting wheel 15 supports against the inner side wall of the aqueduct, so that a certain gap is reserved between the water stop belt 13 and the inner side wall of the aqueduct, at the moment, the water stop belt 13 expands and fills the gap after being filled with water, and the framework box body 11 and the aqueduct are effectively sealed through the water stop belt 13. In the embodiment, the wheel edge of the limiting wheel 15 preferably protrudes 30-50mm beyond the outer edge of the water stop belt 13, so that the expansion deformation of the water stop belt 13 is reserved.
As some preferred embodiments, the hand ladder 16 is vertically arranged in the framework box body 11, and after water in a working area enclosed by the cofferdam device 1 and the aqueduct in a sealing way is pumped out by a water pump, personnel can descend into the aqueduct through the hand ladder 16 to carry out construction on the side wall of the aqueduct.
As some examples, referring to fig. 4, one side of the cofferdam device 1 on which water flow impacts is connected with the tie bar L of the top surface of the aqueduct S by a plurality of ropes 3. By adopting the technical scheme, the rope 3 can be used for drawing the cofferdam device 1, so that the impact of water flow in the aqueduct on the cofferdam device 1 is avoided, the cofferdam device 1 is separated from the inner side wall of the aqueduct S, and the cofferdam device 1 is supported on the inner side of the aqueduct to be more stable in sealing.
As some embodiments, a chain block 4 is connected to the side of the cofferdam device 1 away from the impact of the water flow. The cofferdam device 1 is convenient to pull and move when the next construction overhaul position is replaced.
The invention also provides a side wall overhauling method for the aqueduct under the condition of no water interruption, which comprises the following steps:
s1, assembling the support component 22 and the two sets of cofferdam devices 1, hoisting and placing the assembled components into an area to be overhauled of the aqueduct, and enabling the cofferdam devices 1 to be in contact with the bottom surface of the aqueduct;
s2, mounting the reaction frame 21 and the hydraulic element 23 on the walkway plate on the top surface of the aqueduct, and connecting the hydraulic element 23 with the supporting component 22;
s3, driving the supporting component 22 to be opened through the hydraulic element 23 to ensure that the two groups of cofferdam devices 1 respectively enclose the two inner side walls of the aqueduct;
s4, after the framework box body 11 is attached to the side wall of the aqueduct, the water stop belt 13 is filled with water to expand, is close to and sealed with the side wall and the bottom surface of the aqueduct, and evacuates water in the enclosure space of the framework box body 11 and the aqueduct to ensure that the framework box body 11 and the aqueduct are enclosed to form a construction space;
s5, after the construction and maintenance operation is completed, the water stop belt 13 is slowly released, the consistency of the internal and external water pressures of the framework box body 11 is ensured, and the cofferdam device 1 is moved to carry out the next section of construction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a lateral wall overhauls device that is used for aqueduct under the condition of constantly moisturizing which characterized in that: comprises a cofferdam device (1) and a driving device (2); wherein the content of the first and second substances,
the cofferdam device (1) comprises two groups of cofferdam devices (1) which are symmetrically arranged, each cofferdam device (1) comprises a framework box body (11), one vertical side surface of each framework box body (11) is used for abutting against the inner side wall of the aqueduct (S) for sealing, the bottom surface of each framework box body (11) is used for abutting against the inner bottom surface of the aqueduct for sealing, and water baffles (12) are arranged on the other three vertical side surfaces of each framework box body (11);
the driving device (2) comprises a reaction frame (21), a supporting component (22) and a hydraulic element (23), wherein the reaction frame (21) is arranged on a walkway plate (P) where the top surface of the aqueduct (S) is located, the hydraulic element (23) is arranged on the reaction frame (21), the supporting component (22) is respectively connected with the two sets of cofferdam devices (1), and the hydraulic element (23) is used for driving the supporting component (22) to be opened so that the two sets of cofferdam devices (1) respectively carry out enclosure sealing on two inner side walls of the aqueduct.
2. The sidewall service installation for aqueducts under uninterrupted water conditions as claimed in claim 1, wherein: the outer contour of the framework box body (11) is matched with the inner contour of the aqueduct, and water stop belts (13) are arranged on the surfaces, contacted with the aqueduct, of the framework box body (11).
3. The sidewall service installation for aqueducts under uninterrupted water conditions as claimed in claim 1, wherein: the bottom of the framework box body (11) is provided with a plurality of walking wheels (14).
4. The sidewall repair installation for aqueducts under uninterrupted water conditions as claimed in claim 2, wherein: the supporting assembly (22) comprises supporting vertical rods (221), the supporting vertical rods (221) are vertically arranged in the middle of the two sets of cofferdam devices (1), the top ends of the supporting vertical rods (221) are fixedly connected with the telescopic ends of the hydraulic elements (23), the fixed ends of the hydraulic elements (23) are fixedly connected with the reaction frame (21), the bottom ends of the supporting vertical rods (221) extend towards the bottom of the aqueduct, inclined rods (222) with the same quantity and length are respectively connected between the supporting vertical rods (221) and the two sets of framework boxes (11), first hinge points (2211) with the same positions are arranged on the two sides of the supporting vertical rods (221) at equal intervals in the vertical direction, second hinge points (111) with the same positions are arranged on the opposite surfaces of the two sets of framework boxes (11) at equal intervals in the vertical direction, the two ends of the inclined rods (222) are respectively hinged with the first hinge points (2211) and the second hinge points (111), and the inclined rods (222) are parallel to.
5. The sidewall service installation for aqueducts under uninterrupted water conditions of claim 4 wherein: the framework box body (11) is provided with a limiting wheel (15) on the side contacted with the inner side wall of the aqueduct, and the wheel edge of the limiting wheel (15) protrudes out of the outer edge of the water stop belt (13).
6. The sidewall service installation for aqueducts under uninterrupted water conditions as claimed in claim 1, wherein: an armrest ladder (16) is vertically arranged in the framework box body (11).
7. The sidewall service installation for aqueducts under uninterrupted water conditions as claimed in claim 1, wherein: one side of the cofferdam device (1) which is impacted by water flow is connected with a pull rod (L) on the top surface of the aqueduct (S) through a plurality of ropes (3).
8. The sidewall service installation for aqueducts under uninterrupted water conditions of claim 7, wherein: one side of the cofferdam device (1) far away from the impact of the upper water flow is connected with a chain block (4).
9. A sidewall overhauling method for a aqueduct under the condition of uninterrupted water, which utilizes the sidewall overhauling device for the aqueduct under the condition of uninterrupted water as claimed in any one of claims 1 to 8, and is characterized by comprising the following steps:
s1, assembling the support assembly (22) and the two sets of cofferdam devices (1), hoisting and placing the assembled cofferdam devices into an area to be overhauled of the aqueduct, and enabling the cofferdam devices (1) to be in contact with the bottom surface of the aqueduct (S);
s2, mounting a reaction frame (21) and a hydraulic element (23) on the walkway plate on the top surface of the aqueduct, and connecting the hydraulic element (23) with the supporting component (22);
s3, driving the supporting component (22) to be opened through the hydraulic component (23) so that the two groups of cofferdam devices (1) respectively enclose the two inner side walls of the aqueduct;
s4, after the framework box body (11) is attached to the side wall of the aqueduct, the waterstop is filled with water to expand, is close to and sealed with the side wall and the bottom surface of the aqueduct, and the water in the space enclosed by the framework box body (11) and the aqueduct (S) is pumped out to ensure that the framework box body (11) and the aqueduct are enclosed into a construction space;
s5, after the construction and maintenance operation is completed, the water stop is slowly released, the consistency of the internal and external water pressures of the framework box body (11) is ensured, and the cofferdam device (1) is moved to carry out the next section of construction.
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| CN202110104709.6A CN112832147B (en) | 2021-01-26 | 2021-01-26 | Side wall overhauling device and method for aqueduct under condition of uninterrupted water |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN115162384A (en) * | 2022-07-21 | 2022-10-11 | 河南省水利第一工程局 | Cofferdam structure for pump station forebay water-stop construction and water-stop construction method |
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| CN113481822A (en) * | 2021-07-27 | 2021-10-08 | 武大巨成结构股份有限公司 | Integrated maintenance device and maintenance method for inner surface of aqueduct |
| CN113481821A (en) * | 2021-07-27 | 2021-10-08 | 武大巨成结构股份有限公司 | Overhaul device and method for inner bottom surface of aqueduct |
| CN113481821B (en) * | 2021-07-27 | 2022-08-09 | 武大巨成结构股份有限公司 | Overhaul device and method for inner bottom surface of aqueduct |
| CN115162384A (en) * | 2022-07-21 | 2022-10-11 | 河南省水利第一工程局 | Cofferdam structure for pump station forebay water-stop construction and water-stop construction method |
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| CN112832147B (en) | 2022-08-09 |
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