CN113235465B - Positioning and moving device for reconstruction construction of river channel water-blocking bridge - Google Patents
Positioning and moving device for reconstruction construction of river channel water-blocking bridge Download PDFInfo
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- CN113235465B CN113235465B CN202110622127.7A CN202110622127A CN113235465B CN 113235465 B CN113235465 B CN 113235465B CN 202110622127 A CN202110622127 A CN 202110622127A CN 113235465 B CN113235465 B CN 113235465B
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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Abstract
The invention provides a positioning moving device for reconstruction construction of a river channel water-blocking bridge, which belongs to the technical field of bridge reconstruction, and is used for vertical positioning moving operation of original pier heightening construction.
Description
Technical Field
The invention belongs to the technical field of bridge reconstruction, and particularly relates to a positioning and moving device for river channel water blocking bridge reconstruction construction.
Background
The water-blocking bridge belongs to one of the bridges, generally, the total height of the water-blocking bridge used in a river is low, when the water flow in the river is large, the water-blocking bridge can also block the water flow from the reverse side, the water flow is reduced to a certain extent, the water-passing capacity of the river and the stability of the water-blocking bridge are affected, and therefore reconstruction construction of the water-blocking bridge is necessary. In general, the reconstruction of the water-blocking bridge is to heighten the bridge pier of the water-blocking bridge, and raise the height of the bridge deck so as to increase the water flow; in the prior art, the heightened construction scheme for the bridge pier is to increase the concrete structure on the basis of the original bridge pier so as to raise the height of the bridge pier and further raise the height of the bridge deck, thus increasing the water flow and improving the water flowing capacity of the bridge in the river channel. However, the heightening construction of the bridge pier in the prior art has the following defects: firstly, when constructing concrete structure, the steel reinforcement cage that establishes with the die carrier is inaccurate in vertical direction location, and the steel reinforcement cage is crooked easily when cast in situ concrete pours to the steel reinforcement cage in, and the die carrier is unstable to the support of steel reinforcement cage, leads to pouring the straightness that hangs down of back concrete cylinder and horizontal plane, influences the stability of pier after heightening like this easily.
Disclosure of Invention
The invention aims to provide a positioning and moving device for reconstruction construction of a river water-blocking bridge, and aims to solve the technical problems that a formwork is unstable in supporting a reinforcement cage and the reinforcement cage is positioned inaccurately in heightening construction of a water-blocking bridge pier.
In order to achieve the above purpose, the invention adopts the following technical scheme: the positioning and moving device for reconstruction construction of the river water-blocking bridge is used for vertical positioning and moving operation of heightening construction of an original pier and comprises a lifting mechanism, a fixing mechanism, a pouring mechanism and a supporting mechanism; the lifting mechanism is arranged at the top of the original bridge pier and used for limiting and supporting the die carrier and the reinforcement cage which are positioned on the bridge pier in a horizontal plane, and after cast-in-place concrete is poured into the reinforcement cage, the lifting mechanism can move up and down along with the pouring height of the cast-in-place concrete to the reinforcement cage, and the die carrier and the reinforcement cage are accurately positioned at the top of the bridge pier by limiting the die carrier at different heights in the moving process; the fixing mechanism is arranged at the top of the original bridge pier and is positioned below the lifting mechanism, and the fixing mechanism is used for supporting the lifting mechanism in an auxiliary manner and preventing the lifting mechanism from sliding downwards in the lifting process of the lifting mechanism; the pouring mechanism is arranged at the upper end of the lifting mechanism and is provided with a conveying pipeline for conveying concrete into the reinforcement cage, and the pouring mechanism is used for buffering the concrete cast-in-situ into the reinforcement cage and can also convey the concrete into the reinforcement cage through the conveying pipeline; the supporting mechanism is arranged at the upper end of the lifting mechanism and is used for suspending the conveying pipeline of the pouring mechanism and enabling the discharge end of the conveying pipeline to extend into the reinforcement cage.
As another embodiment of the present application, a plurality of telescopic columns are connected between the fixing mechanism and the lifting mechanism, the upper ends of the telescopic columns are used for supporting the lifting mechanism, the telescopic columns stretch along with lifting of the lifting mechanism, and the length of the telescopic columns after stretching is lockable, and the fixing mechanism supports the lifting mechanism by means of the telescopic columns.
As another embodiment of the present application, the lifting mechanism comprises a lifting platform and a plurality of upright posts; the lifting platform is positioned at the top of the original pier, a rectangular through hole is formed in the middle of the lifting platform, a die carrier and a reinforcement cage which are positioned at the top of the pier are both arranged in the rectangular through hole, the outer wall of the die carrier is abutted against the inner edge of the rectangular through hole of the lifting platform, and the lifting platform can lift along the height direction of the die carrier and is used for limiting the die carrier and the reinforcement cage to move in a horizontal plane in lifting; a plurality of stands are all vertical to be located lift platform bottom just the stand lower extreme sets firmly at the pier top, and is a plurality of the stand all is located the pier top in the rectangle through-hole outside sets up around the die carrier, and is a plurality of the stand all is used for the push-up lift platform goes up and down.
As another embodiment of the present application, the length or width of the lifting platform is greater than the length or width of the bridge pier, the telescopic column is vertically disposed at the bottom end of the outer side of the lifting platform, the fixing mechanism includes an encircling assembly and a plurality of moving assemblies, the encircling assembly includes a plurality of encircling plates that are connected end to end and encircle to form a rectangular frame, the inner side of the encircling plate is used for leaning against the outer wall of the bridge pier, the rectangular frame formed by encircling plates can encircle the bridge pier, and the encircling assembly is fixed at the top of the bridge pier; the movable assembly is movably arranged on the outer side face and the upper end of the encircling assembly and is fixedly connected with the bottom end of the telescopic column, the movable assembly can move along the height direction of the pier on the encircling assembly by means of the telescopic column, the movable assembly can be fixedly locked with the encircling assembly, and the telescopic column is used for fixedly supporting the lifting platform so as to prevent the lifting platform from sliding downwards in the lifting process.
As another embodiment of the application, the plurality of embracing plates are in locking connection through locking pieces, the locking pieces are detachably connected with the embracing plates, a plurality of first clamping teeth with saw tooth structures are uniformly distributed on the outer wall of the embracing plates along the height direction, and a plurality of rows of first clamping teeth are arranged on the embracing plates; the moving assembly comprises a moving plate, a plurality of ejector pieces and a plurality of second clamping teeth; the upper end of the moving plate is fixed at the bottom end of the telescopic column, the lower end of the moving plate is a free end, and the moving plate and the surrounding plate are arranged in parallel; the pushing pieces are transversely arranged, one ends of the pushing pieces are clamped on the inner wall of the moving plate, and the other ends of the pushing pieces are pushing ends and are used for pushing the surrounding plate; the push rod comprises a plurality of push rod, a plurality of first clamping teeth, a plurality of second clamping teeth, a plurality of push rod supporting plates, a plurality of movable plates, a telescopic column and a plurality of telescopic support plates, wherein the plurality of first clamping teeth are arranged on the upper surface of the push rod supporting plates, the plurality of second clamping teeth are respectively arranged on the push top ends of the push rod supporting plates, the second clamping teeth can be clamped on the first clamping teeth after the push rod is pushed, and are fixedly connected with the first clamping teeth in a matched mode, the movable plates are fixed on the surrounding plates by means of the push rod supporting plates, the movable plates are telescopic by means of the telescopic column and the push rod supporting plates, and the second clamping teeth can be positioned on the first clamping teeth at different positions to adaptively adjust the fixed support heights of the lifting mechanism.
As another embodiment of the present application, the locking member includes a clamping hook, a telescopic rod, a bolt and a bearing member, where the clamping hook is fixedly disposed at an upper end of the surrounding board and is close to an end of the surrounding board, and the clamping hook may be hung on a top end of the pier, and is used for hanging the surrounding board, and the surrounding board is fixed on an outer wall of the pier by means of a plurality of clamping hooks; the telescopic rod is arranged at the lower end of the clamping hook and is fixedly connected with the upper end of the encircling plate, and the telescopic rod is used for adjusting the height of the clamping hook connected to the bridge pier after telescopic; bolts penetrate through the two clamping hooks at the end parts of the two adjacent surrounding plates and are locked and fixed so as to connect the two adjacent surrounding plates; the bearing piece is arranged in the middle of the clamping hook, a hook used for hanging the top of the bridge pier is arranged at the upper end of the clamping hook, and the hanging direction of the hook is rotationally adjusted by means of the bearing piece.
As another embodiment of the application, the pouring mechanism comprises a plurality of pouring telescopic pieces, a supporting plate, a plurality of spring pieces, a material containing box, a vibrator and a pumping assembly; the pouring telescopic parts are connected to the upper end of the lifting mechanism in a sliding manner, and can be vertically telescopic and adjustable; the supporting plate is hinged to the upper ends of the pouring telescopic pieces; the plurality of spring pieces are fixedly arranged at the upper ends of the supporting plates and are all provided with the same height and elasticity; the material containing boxes are arranged at the upper ends of the plurality of spring pieces and used for containing cast-in-place concrete, and the material containing boxes can buffer and contain the cast-in-place concrete conveyed into the reinforcement cage; the vibrator is arranged on the material containing box and is used for driving the material containing box to vibrate and preventing concrete from condensing in the material containing box; the pumping assembly is slidingly connected to the supporting mechanism, the feeding and discharging ends are respectively connected with the conveying pipelines, and the pumping assembly is used for pumping concrete in the material containing box and pumping the concrete into the reinforcement cage.
As another embodiment of the application, the supporting mechanism comprises a supporting telescopic piece, a rotary table, a cross beam and a supporting ejector piece, wherein the supporting telescopic piece is vertically arranged at the upper end of the lifting mechanism and can vertically stretch and retract; the rotary table is arranged at the upper end of the supporting telescopic piece and can circumferentially rotate in a horizontal plane, the rotation angle is controllable, and a supporting column is arranged at the upper end of the rotary table; one end of the cross beam is hinged to the upper end of the support column, the other end of the cross beam is a free end, the cross beam is horizontally arranged, the pumping assembly and the conveying pipeline are both arranged on the cross beam in a sliding mode, and the conveying pipeline adjusts the pouring concrete position of the reinforcement cage by means of the cross beam; one end of the supporting ejection piece is hinged with the supporting column, the other end of the supporting ejection piece is hinged with the cross beam, and the supporting ejection piece is used for ejecting and adjusting the cross beam to wind the upper end rotation angle of the supporting column, so that the pouring height of the conveying pipeline to the reinforcement cage is adjusted.
As another embodiment of the application, the bottom end of the cross beam is provided with a sliding rail along the length direction, the cross beam and the inside of the sliding rail are respectively provided with a strip-shaped through hole, the two strip-shaped through holes are mutually aligned and communicated in the vertical direction and can form an integrated through hole structure, two sliding rods are connected to the sliding rail in a sliding manner and can vertically stretch out and draw back, one sliding rod is arranged at the lower end of the sliding rod, a pumping assembly and the other sliding rod are provided with hanging rings at the lower end of the sliding rod, the hanging rings are used for hanging the conveying pipeline, the distance between the two sliding rods is adjustable, and the sliding rods can suspend and adjust the conveying concrete position of the conveying pipeline to a reinforcement cage.
As another embodiment of the application, the upper end of the cross beam is provided with a driver, two driving rods are arranged in the long-strip-shaped through holes in a penetrating mode, the upper ends of the driving rods are connected with the power output ends of the driver, the lower ends of the driving rods are connected with the sliding ends of the sliding rods respectively, and the driving rods slide along the length direction of the long-strip-shaped through holes and drive the sliding rods to slide.
The positioning and moving device for reconstruction construction of the river channel water-blocking bridge has the beneficial effects that: compared with the prior art, the positioning moving device for reconstruction construction of the river water-blocking bridge is used in vertical positioning moving operation of original pier heightening construction, and comprises a lifting mechanism, a fixing mechanism, a pouring mechanism and a supporting mechanism, wherein the supporting formwork is limited by the lifting mechanism, the formwork can fix a reinforcement cage, so that a poured concrete structure keeps in a vertical state, the design construction requirement is met, stability after the pier heightens is improved, the lifting mechanism can move up and down along with the pouring height of cast-in-place concrete to the reinforcement cage, the formwork is limited at different heights in the moving process, the formwork and the reinforcement cage are accurately positioned at the top of the pier, the fixing mechanism is used for supporting the lifting mechanism in an auxiliary mode and preventing the lifting mechanism from sliding downwards in the lifting process, the supporting stability of the lifting mechanism is improved, concrete cast-in-situ into the reinforcement cage is buffered by the pouring mechanism, the conveying pipeline can be suspended by the supporting mechanism, the discharging end of the conveying pipeline extends into the reinforcement cage, the technical problem that the reinforcement cage is unstable in support of the bridge heightening construction is solved, the positioning of the reinforcement cage is inaccurate in the positioning of the bridge, the original pier heightening construction is stable along with the support of the formwork, the positioning of the formwork is realized, and the positioning quality of the concrete in the construction is high, and the positioning effect of the concrete positioning structure is accurate is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a positioning and moving device for reconstruction construction of a river channel water-blocking bridge according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a positioning and moving device for reconstruction construction of a river water-blocking bridge applied to an original pier according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lifting mechanism, a pouring mechanism and a supporting mechanism of a positioning and moving device for reconstruction construction of a river channel water-blocking bridge, which are provided by the embodiment of the invention;
fig. 4 is a schematic structural diagram of a fixing mechanism of a positioning and moving device for reconstruction construction of a river channel water-blocking bridge according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a pouring mechanism and a supporting mechanism of a positioning and moving device for reconstruction construction of a river channel water-blocking bridge according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a pouring mechanism of a positioning and moving device for river channel water-blocking bridge reconstruction construction according to an embodiment of the present invention;
fig. 7 is a top view (not including a driver) of a supporting mechanism and a lifting mechanism of a positioning and moving device for reconstruction construction of a river channel water-blocking bridge according to an embodiment of the present invention;
fig. 8 is a plan view of a fixing mechanism of the positioning and moving device for river-blocking bridge reconstruction construction of fig. 4 (rectangular hatched portions in the drawing indicate piers).
In the figure: 1. a lifting mechanism; 11. a lifting platform; 12. a column; 13. rectangular through holes; 2. a fixing mechanism; 21. an encircling assembly; 211. an encircling plate; 22. a moving assembly; 221. a moving plate; 222. a push member; 223. a second latch; 23. a locking member; 231. a clamping hook; 232. a telescopic rod; 233. a bolt; 234. a bearing member; 24. a first latch; 3. pouring mechanism; 31. a delivery conduit; 32. pouring a telescopic piece; 33. a supporting plate; 34. a spring member; 35. a material-containing box; 36. a vibrator; 361. a telescopic rod is hinged; 362. a vibration exciter; 37. a pumping assembly; 4. a support mechanism; 41. supporting the telescopic member; 42. a rotary table; 43. a cross beam; 44. supporting the ejector; 45. a support column; 46. a slide rail; 47. a long-strip-shaped through hole; 48. a slide bar; 49. a driver; 491. a driving rod; 5. a mould frame; 6. a reinforcement cage; 7. a telescopic column; 71. locking wires.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 8, the positioning and moving device for reconstruction of river water-blocking bridges provided by the invention will now be described. The positioning and moving device for reconstruction construction of the river water-blocking bridge is used for vertical positioning and moving operation of heightening construction of an original pier and comprises a lifting mechanism 1, a fixing mechanism 2, a pouring mechanism 3 and a supporting mechanism 4; the lifting mechanism 1 is arranged at the top of an original pier and is used for limiting and supporting the die carrier 5 and the reinforcement cage 6 which are positioned on the pier in a horizontal plane, after cast-in-place concrete is poured into the reinforcement cage 6, the lifting mechanism 1 can move up and down along with the pouring height of the cast-in-place concrete to the reinforcement cage 6, and the die carrier 5 and the reinforcement cage 6 are accurately positioned at the top of the pier by limiting different heights of the die carrier 5 in the moving process; the fixing mechanism 2 is arranged at the top of the original bridge pier and is positioned below the lifting mechanism 1, and the fixing mechanism 2 is used for supporting the lifting mechanism 1 in an auxiliary manner and preventing the lifting mechanism 1 from sliding downwards in the lifting process of the lifting mechanism 1; the pouring mechanism 3 is arranged at the upper end of the lifting mechanism 1, is provided with a conveying pipeline 31 for conveying concrete into the reinforcement cage 6, and is used for buffering the concrete cast-in-situ into the reinforcement cage 6 and conveying the concrete into the reinforcement cage 6 through the conveying pipeline 31; the supporting mechanism 4 is arranged at the upper end of the lifting mechanism 1 and is used for suspending the conveying pipeline 31 of the pouring mechanism 3 and enabling the discharge end of the conveying pipeline 31 to extend into the reinforcement cage 6.
Compared with the prior art, the positioning and moving device for the reconstruction construction of the river water-blocking bridge provided by the invention is used in the vertical positioning and moving operation of the heightened construction of the original bridge pier, and comprises the lifting mechanism 1, the fixing mechanism 2, the pouring mechanism 3 and the supporting mechanism 4, wherein the supporting die frame 5 is limited by the lifting mechanism 1, the die frame 5 can fix the reinforcement cage 6, so that the poured concrete structure keeps vertical, meets the design construction requirement, the stability after the bridge pier is heightened, the lifting mechanism 1 can lift and move the reinforcement cage 6 along with the pouring height of the cast-in-place concrete, the die frame 5 and the reinforcement cage 6 are limited at different heights of the die frame 5 in the moving process, the fixing mechanism 2 is used for supporting the lifting mechanism 1 in an auxiliary manner and preventing the downward sliding manner in the lifting process, the supporting stability of the lifting mechanism 1 is improved, the concrete cast-in-place in the reinforcement cage 6 is buffered by the pouring mechanism 3, the concrete is conveyed into the reinforcement cage 6 through the conveying pipeline 31, the conveying pipeline 31 is enabled to extend into the hanging cage 6 through the supporting mechanism 4, the discharging end of the conveying pipeline 31 is enabled to extend into the water-blocking cage 6, the stability of the bridge pier is improved, the positioning and the reinforcement cage 6 is not stable along with the height of the support structure in the bridge pier is not in the heightened construction, the construction requirement of the high-stable quality of the bridge is achieved, and the positioning and the concrete is not stable along with the requirements of the positioning and the concrete structure in the construction is not stable, the stable construction is positioned along with the height of the bridge is stable to realize the technology.
In the prior art, the heightening construction of the bridge pier is to heighten the bridge girder body by a certain height on the basis of the original bridge pier, then separate from the bridge pier, heighten the bridge pier independently, and finally put the bridge girder body on the heightened structure after heightening, thus completing the reconstruction construction of the water-blocking bridge. The lifting construction of the bridge body adopts the construction means in the prior art, and the construction means are not described in detail.
The die carrier 5 encloses into rectangular frame structure, just can wrap up steel reinforcement cage 6, steel reinforcement cage 6 is stable in die carrier 5 inside, also have and be connected with die carrier 5 inner wall at the outer wall of steel reinforcement cage 6 through the connecting piece, so also can fix steel reinforcement cage 6, in a word, steel reinforcement cage 6 keeps a fixed state in die carrier 5 inside, only when die carrier 5 takes place crooked or skew, steel reinforcement cage 6 just can crooked or skew, understandably, be, die carrier 5 and steel reinforcement cage 6 are integrated into one piece structure, only after fixing die carrier 5 through elevating system 1, then the phenomenon that the concrete of later stage construction just can not appear running, do not accord with the design requirement and carry out the construction. Compared with the structure such as the pillar or the bracket of the fixed die carrier 5, the positioning and moving device can meet the design requirement, can position and move along with the height of the poured concrete, and is a limiting and moving device capable of moving in the vertical direction. The method has the advantages that the supporting stability of the formwork 5 is improved, the concrete pouring construction efficiency and quality are improved, and the heightened construction requirement of the bridge pier is met.
As a specific embodiment of the positioning and moving device for river channel water-blocking bridge reconstruction construction provided by the invention, referring to fig. 1 to 8, a plurality of telescopic columns 7 are connected between the fixing mechanism 2 and the lifting mechanism 1, the upper ends of the telescopic columns 7 are used for supporting the lifting mechanism 1, the telescopic columns 7 stretch along with lifting of the lifting mechanism 1, the length of the telescopic columns 7 after stretching can be locked, and the fixing mechanism 2 supports the lifting mechanism 1 by means of the telescopic columns 7.
The telescopic column 7 comprises a plurality of sections of rod bodies which are mutually spliced, a locking wire 71 is spliced on the rod bodies, the whole length of the telescopic column 7 can be adjusted by locking the locking wire 71, in addition, in the lifting process of the lifting mechanism 1, the locking wire 71 is in an unlocked state, namely, the telescopic column 7 at the moment can be optionally telescopic, and the telescopic column can be telescopic along with the lifting of the lifting mechanism 1. After lifting mechanism 1 goes up and down to adjust and accomplish, with flexible post 7 with its flexible length locking through locking silk 71 can, fixed mechanism 2 just can play the effect to lifting mechanism 1 fixed stay this moment. The locking wires 71 can be jackscrews, the plug-in lengths of two adjacent rod bodies which are mutually plugged in can be locked by screwing the jackscrews, a plurality of locking wires 71 are arranged on the telescopic column 7, and the total length of the telescopic column 7 can be locked by operating the plurality of locking wires 71.
As a specific embodiment of the positioning and moving device for reconstruction construction of river channel water-blocking bridges provided by the invention, referring to fig. 1 to 8, a lifting mechanism 1 comprises a lifting platform 11 and a plurality of upright posts 12; the lifting platform 11 is positioned at the top of the original pier, a rectangular through hole 13 is formed in the middle of the lifting platform, the die carrier 5 and the reinforcement cage 6 which are positioned at the top of the pier are both arranged in the rectangular through hole 13, the outer wall of the die carrier 5 is abutted against the inner edge of the rectangular through hole 13 of the lifting platform 11, the lifting platform 11 can lift along the height direction of the die carrier 5, and the lifting platform is used for limiting the die carrier 5 and the reinforcement cage 6 to move in a horizontal plane in lifting; the lifting platform 11 bottom and the pier top are all located vertically to a plurality of stands 12 and stand 12 lower extreme sets firmly at the pier top, and a plurality of stands 12 all are located the pier top in the outside of rectangle through-hole 13, set up around die carrier 5, and a plurality of stands 12 all are used for pushing lifting platform 11 to go up and down. The lifting of the plurality of upright posts 12 can push the lifting platform 11 to rise or descend, so that the heights of the pouring mechanism 3 and the supporting mechanism 4 are adjusted, the fixed supporting height of the die frame 5 is also adjusted, the lifting of the lifting mechanism 1 is adjusted along with the depth or the height of cast-in-place concrete in the die frame 5, and the lifting mechanism and the die frame are mutually matched and adjusted and moved.
The shape of the rectangular through hole 13 is mutually matched with the shape of the die carrier 5, and the die carrier 5 can be completely wrapped and surrounded through the rectangular through hole 13, so that the die carrier 5 is limited, fixed and supported. The pushing force of the column 12 is large, and hydraulic struts are generally used.
As a specific embodiment of the positioning moving device for reconstruction construction of river channel water-blocking bridges, referring to fig. 1 to 8, the length or width of a lifting platform 11 is greater than the length or width of a bridge pier, a telescopic column 7 is vertically arranged on the bottom end of the outer side of the lifting platform 11, a fixing mechanism 2 comprises an encircling assembly 21 and a plurality of moving assemblies 22, the encircling assembly 21 comprises a plurality of encircling plates 211 which are connected end to end and encircle to form a rectangular frame, the inner side of the encircling plate 211 is used for abutting against the outer wall of the bridge pier, the rectangular frame encircled by the encircling plates 211 can encircle the bridge pier, and the encircling assembly 21 is fixed at the top of the bridge pier; the movable assembly 22 is movably arranged on the outer side surface of the encircling assembly 21, the upper end of the movable assembly is fixedly connected with the bottom end of the telescopic column 7, the movable assembly 22 can move on the encircling assembly 21 along the pier height direction by means of the telescopic column 7, the movable assembly 22 can be fixedly locked with the encircling assembly 21, and the movable assembly 22 is used for fixedly supporting the lifting platform 11 through the telescopic column 7 so as to prevent the lifting platform 11 from sliding downwards in the lifting process. The end edge of the lifting platform 11 is in a cantilever state, the lifting platform 11 is in an inverted U-shaped structure in side view, the telescopic column 7 is arranged at the bottom end of the end edge of the lifting platform 11, and the telescopic column 7 can be in non-contact with the bridge pier on the inner side surface or has a gap, so that the fixing mechanism 2 is convenient to install.
The surrounding assembly 21 and the moving assembly 22 are relatively moved, that is, the moving assembly 22 can move up and down on the surrounding assembly 21, the movement is to adjust the supporting height of the fixing mechanism 2, so as to prevent the lifting mechanism 1 from sliding down, and in general, the lifting mechanism 1 does not slide down due to the action of a plurality of upright posts 12.
Specifically, the surrounding plates 211 are all L-shaped members, and the length and width of the surrounding plates can be adjusted, and the surrounding plates 211 with different lengths or widths can be selected adaptively according to the length and width of the pier, so that the surrounding assembly 21 can completely wrap around the pier.
As a specific embodiment of the positioning and moving device for river channel water-blocking bridge reconstruction construction provided by the invention, referring to fig. 1 to 8, a plurality of surrounding plates 211 are in locking connection through a locking member 23, the locking member 23 is detachably connected with the surrounding plates 211, a plurality of first clamping teeth 24 with a saw tooth type structure are uniformly distributed on the outer wall of the surrounding plates 211 along the height direction, and a plurality of columns of first clamping teeth 24 are arranged on the surrounding plates 211; the moving assembly 22 includes a moving plate 221, a plurality of ejectors 222, and a plurality of second latches 223; the upper end of the moving plate 221 is fixed at the bottom end and the lower end of the telescopic column 7 as free ends, and the moving plate 221 and the surrounding plate 211 are arranged in parallel; the plurality of ejector pieces 222 are transversely arranged, one ends of the ejector pieces are clamped on the inner wall of the moving plate 221, and the other ends of the ejector pieces are ejector ends and are used for ejecting the surrounding plate 211; the second latches 223 are all disposed at the pushing ends of the pushing members 222, after the pushing members 222 are pushed, the second latches 223 can be clamped onto the first latches 24 and fixedly connected with the first latches 24, the moving plate 221 is fixed on the surrounding plate 211 by means of the pushing members 222, the moving plate 221 can be positioned on the first latches 24 at different positions by means of the telescopic columns 7 and the telescopic members 222, so as to adaptively adjust the fixed supporting height of the lifting mechanism 1.
The first latch 24 and the second latch 223 are both in triangle structure, and can be mutually matched and clamped, and the position of the moving component 22 can be fixed after the first latch and the second latch are connected. When the moving assembly 22 needs to be lifted, the ejector 22 is retracted, the first latch 24 and the second latch 223 are separated from each other, and the telescopic column 7 or the lifting mechanism 1 can be adjusted when the moving assembly 22 is in a free state. After the adjustment of the telescopic column 7 and the lifting mechanism 1 is completed, the ejector 22 is finally operated, and the second latch 223 is clamped to the first latch 24, so that the position of the movable assembly 22 on the encircling assembly 21 can be locked. The fixing mechanism 2 is arranged to prevent the lifting mechanism 1 from sliding down in lifting and falling well, so that the support of the die carrier 5 is prevented from being unstable, the support stability of the die carrier 5 can be improved, and the technical problem to be solved in practice is solved.
As a specific embodiment of the positioning and moving device for reconstruction construction of river channel water-blocking bridges provided by the invention, referring to fig. 1 to 8, a locking member 23 comprises a clamping hook 231, a telescopic rod 232, a bolt 233 and a bearing member 234, wherein the clamping hook 231 is fixedly arranged at the upper end of the surrounding plate 211 and is close to the end part of the surrounding plate 211, the clamping hook 231 can be hung on the top end of a pier for hanging the surrounding plate 211, and the surrounding plate 211 is fixed on the outer wall of the pier by virtue of a plurality of clamping hooks 231; the telescopic rod 232 is arranged at the lower end of the clamping hook 231 and is fixedly connected with the upper end of the encircling plate 211, and the telescopic rod 232 is used for adjusting the height of the clamping hook 231 hung on the pier after telescopic; the bolts 233 pass through the two clamping hooks 231 at the end parts of the two adjacent surrounding plates 211 and are locked and fixed so as to connect the two adjacent surrounding plates 211; the bearing member 234 is arranged in the middle of the clamping hook 231, a hook for hooking the top of the bridge pier is arranged at the upper end of the clamping hook 231, and the hooking direction of the hook is rotationally adjusted by means of the bearing member 234.
When the locking piece 23 is used, firstly, the distance between the encircling component 21 and the top of the pier is judged, the length of the telescopic rod 232 is adjusted, the clamping hook 231 can be just hung on the top of the pier, finally, the telescopic length of the telescopic rod 232 is locked, the clamping hook 231 is in a force application state, and finally, the two clamping hooks 231 are locked and fixed by the bolts 233, so that the whole encircling component 21 can be fixed on the pier.
As a specific embodiment of the positioning and moving device for river channel water-blocking bridge reconstruction construction provided by the invention, referring to fig. 1 to 8, a pouring mechanism 3 comprises a plurality of pouring telescopic members 32, a supporting plate 33, a plurality of spring members 34, a material containing box 35, a vibrator 36 and a pumping assembly 37; the pouring telescopic pieces 32 are connected to the upper end of the lifting mechanism 1 in a sliding manner, and the pouring telescopic pieces 32 can be vertically telescopic and adjustable; the supporting plate 33 is hinged to the upper ends of the pouring telescopic pieces 32; the plurality of spring pieces 34 are fixedly arranged at the upper end of the supporting plate 33, are all provided with the same height and have elasticity; the material containing box 35 is arranged at the upper ends of the plurality of spring pieces 34 and is used for containing cast-in-place concrete, and the material containing box 35 can buffer and contain the cast-in-place concrete conveyed into the reinforcement cage 6; the vibrator 36 is arranged on the material containing box 35 and is used for driving the material containing box 35 to vibrate and preventing concrete from condensing in the material containing box 35; the pumping assembly 37 is slidingly connected to the supporting mechanism 4, and the feeding and discharging ends are respectively connected with the conveying pipelines 31, and the pumping assembly 37 is used for extracting the concrete in the material containing box 35 and pumping the concrete into the reinforcement cage 6. The upper end of the material containing box 35 is opened, the spring piece 34 is a spring, has elastic force, can elastically support the material containing box 35, and can vibrate the material containing box 35 within a certain range.
The pumping assembly 37 adopts a material conveying pump in the prior art, is specially used for conveying concrete, uses the conveying pump to convey the concrete to the material containing box 35 through a conveying pipeline on the ground, conveys the concrete to the inside of the formwork 5 through the conveying pipeline 31 through the pumping assembly 37 arranged on the supporting mechanism 4, and is integrated with the reinforcement cage 6. A plurality of pouring mechanisms 3 can be arranged on the lifting mechanism 1, and concrete cached in the material containing box 35 can be pumped into the die frame 5 through the pumping assembly 37 and the conveying pipeline 31.
Specifically, the vibrator 36 includes a hinged telescopic rod 361 and a vibration exciter 362, where the hinged telescopic rod 361 can be telescopically adjusted, one end of the hinged telescopic rod 361 is hinged to the end of the supporting plate 33, the other end of the hinged telescopic rod is a free end, and the free end of the hinged telescopic rod is provided with the vibration exciter 362, and the vibration exciter 362 adopts a vibration exciter in the prior art to generate vibration force so as to drive the material containing box 35 to vibrate, and the vibration force is prevented from being transmitted to the supporting plate 33 by the plurality of spring members 34. In addition, a tension spring is arranged between the hinged telescopic rod 361 and the supporting plate 33, and the tension spring plays a role of enabling the vibration exciter 362 to be close to the material containing box 35, so that the vibration exciter 362 is abutted against the outer wall of the material containing box 35. Otherwise, the hinged telescopic rod 361 is manually shifted outwards to rotate, so that the vibration exciter 362 is far away from the outer wall of the material containing box 35, and the two are in contact with each other under normal conditions.
As a specific embodiment of the positioning and moving device for river channel water blocking bridge reconstruction construction provided by the invention, referring to fig. 1 to 8, the supporting mechanism 4 comprises a supporting telescopic member 41, a rotary table 42, a cross beam 43 and a supporting ejector member 44, wherein the supporting telescopic member 41 is vertically arranged at the upper end of the lifting mechanism 1 and can vertically stretch; the rotary table 42 is arranged at the upper end of the supporting telescopic piece 41, can circumferentially rotate in a horizontal plane, can control the rotation angle, and is provided with a supporting column 45 at the upper end of the rotary table 42; one end of the cross beam 43 is hinged to the upper end of the support column 45, the other end of the cross beam 43 is a free end, the cross beam 43 is horizontally arranged, the pumping assembly 37 and the conveying pipeline 31 are both arranged on the cross beam 43 in a sliding mode, and the conveying pipeline 31 adjusts the pouring concrete position of the reinforcement cage 6 by means of the cross beam 43; one end of the supporting ejector 44 is hinged with the supporting column 45, and the other end is hinged with the cross beam 43, and is used for ejecting and adjusting the rotation angle of the cross beam 43 around the upper end of the supporting column 45, so as to adjust the pouring height of the conveying pipeline 31 to the reinforcement cage 6.
The supporting and pushing member 44 is a telescopic rod, a telescopic column or a pushing column, and can be extended and retracted to push the cross beam 43 to rotate, and the cross beam 43 is generally horizontal, so that the supporting and pushing member 44 can be used for adjusting the height of the conveying pipeline 31. The rotation of the rotary table 42 allows the cross member 43 to rotate in a horizontal plane to an arbitrary position, and the height of the transfer pipe 31 can be adjusted while the cross member 43 is rotated, thereby selecting the height of the concrete to be transferred into the formwork 5.
As a specific embodiment of the positioning and moving device for river channel water blocking bridge reconstruction construction provided by the invention, referring to fig. 1 to 8, a sliding rail 46 is arranged at the bottom end of a beam 43 along the length direction, elongated through holes 47 are respectively arranged in the beam 43 and the sliding rail 46, the two elongated through holes 47 are mutually aligned and communicated vertically and can form an integrated through hole structure, two sliding rods 48 are connected to the sliding rail 46 in a sliding manner, the sliding rods 48 can vertically stretch out and draw back, a pumping assembly 37 is arranged at the lower end of one sliding rod 48, a hanging ring is arranged at the lower end of the other sliding rod 48, the hanging ring is used for hanging a conveying pipeline 31, the distance between the two sliding rods 48 can be adjusted, and the sliding rods 48 can suspend and adjust the position of the conveying pipeline 31 for conveying concrete to a reinforcement cage 6.
As a specific embodiment of the positioning and moving device for river channel water-blocking bridge reconstruction construction provided by the invention, referring to fig. 1 to 8, a driver 49 is arranged at the upper end of a cross beam 43, two driving rods 491 are arranged in a long-strip-shaped through hole 47 in a penetrating way, the upper ends of the driving rods 491 are connected with the power output ends of the driver 49, the lower ends of the driving rods 491 are respectively connected with the sliding ends of two sliding rods 48, and the driving rods 491 slide along the length direction of the long-strip-shaped through hole 47 and drive the sliding rods 48 to slide.
Specifically, the driver 49 includes a motor, a driving wheel, a driven wheel, and a chain, where the driving wheel and the driven wheel are sprockets, the chain is wrapped on the driving wheel and the driven wheel, and the driving wheel is driven by the motor to rotate, so as to drive the rotation of the chain, a driving rod 491 is fixed at the lower end of the chain, and the driving rod 491 vertically passes through the long bar-shaped through hole 47, and the lower end is connected with the sliding end of the sliding rod 48, so as to drive the sliding rod 48 to slide.
In addition, be equipped with rain cover (not shown in the figure) in the width direction of crossbeam 43, be detachable connection between this rain cover and the crossbeam 43, rain cover has played when rainy season is under construction, can shelter from the rainwater and enter into die carrier 5 inside, prevent that the rainwater from mixing with cast in situ concrete, influence concrete construction quality and intensity. The technical problem that the construction rainwater enters the die carrier 5 in rainy season and damages the construction quality of concrete is solved by the rain cover.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. Positioning moving device is used in river course bridge reconstruction construction, its characterized in that is arranged in the vertical positioning moving operation of former pier heightening construction, includes:
the lifting mechanism is arranged at the top of the original pier and used for limiting and supporting the die carrier and the steel reinforcement cage which are positioned on the pier in a horizontal plane, and after cast-in-place concrete is poured into the steel reinforcement cage, the lifting mechanism can move up and down along with the pouring height of the cast-in-place concrete to the steel reinforcement cage, and the die carrier and the steel reinforcement cage are accurately positioned at the top of the pier by limiting the die carrier at different heights in the moving process;
the fixing mechanism is arranged at the top of the original bridge pier and is positioned below the lifting mechanism, and the fixing mechanism is used for supporting the lifting mechanism in an auxiliary manner and preventing the lifting mechanism from sliding downwards in the lifting process;
the pouring mechanism is arranged at the upper end of the lifting mechanism and is provided with a conveying pipeline for conveying concrete into the reinforcement cage, and the pouring mechanism is used for buffering the concrete cast-in-situ into the reinforcement cage and can also convey the concrete into the reinforcement cage through the conveying pipeline; ###
The supporting mechanism is arranged at the upper end of the lifting mechanism, the conveying pipeline is used for suspending the pouring mechanism, and the discharge end of the conveying pipeline extends into the reinforcement cage;
a rain cover is arranged on the supporting mechanism, the rain cover is detachably connected with the supporting mechanism, the device is used for shielding rainwater from entering the die carrier and preventing the rainwater from being mixed with cast-in-place concrete;
a plurality of telescopic columns are connected between the fixing mechanism and the lifting mechanism, the upper ends of the telescopic columns are used for supporting the lifting mechanism, the telescopic columns stretch along with lifting of the lifting mechanism, the length of the telescopic columns after stretching can be locked, and the fixing mechanism supports the lifting mechanism by means of the telescopic columns;
the lifting mechanism comprises:
the lifting platform is positioned at the top of the original pier, a rectangular through hole is formed in the middle of the lifting platform, a die carrier and a reinforcement cage which are positioned at the top of the pier are both arranged in the rectangular through hole, the outer wall of the die carrier is abutted against the inner edge of the rectangular through hole of the lifting platform, and the lifting platform can lift along the height direction of the die carrier and is used for limiting the die carrier and the reinforcement cage to move in a horizontal plane in lifting; and
the upright posts are vertically arranged at the bottom end of the lifting platform, the lower ends of the upright posts are fixedly arranged at the tops of the piers, the upright posts are arranged at the tops of the piers at the outer sides of the rectangular through holes and surround the die carrier, and the upright posts are used for pushing the lifting platform to lift;
the length or the width of the lifting platform is respectively greater than the length or the width of the bridge pier, the telescopic column is vertically arranged on the outer bottom end of the lifting platform, and the fixing mechanism comprises:
the encircling assembly comprises a plurality of encircling plates which are connected end to end and encircle to form a rectangular frame, the inner sides of the encircling plates are used for propping against the outer wall of the pier, the rectangular frame formed by the encircling plates can encircle the pier, and the encircling assembly is fixed at the top of the pier; and
the movable assembly is movably arranged on the outer side surface of the encircling assembly, the upper end of the movable assembly is fixedly connected with the bottom end of the telescopic column, the movable assembly can move on the encircling assembly along the height direction of the pier by means of the telescopic column, the movable assembly can be locked and fixed with the encircling assembly, and the movable assembly is used for fixedly supporting the lifting platform through the telescopic column so as to prevent the lifting platform from sliding downwards in the lifting process;
the plurality of encircling plates are in locking connection through locking pieces, the locking pieces are detachably connected with the encircling plates, a plurality of first clamping teeth of a saw tooth type structure are uniformly distributed on the outer wall of the encircling plates along the height direction, and a plurality of rows of first clamping teeth are arranged on the encircling plates; the moving assembly includes:
the upper end of the moving plate is fixedly connected to the bottom end of the telescopic column, and the lower end of the moving plate is a free end;
the pushing pieces are transversely arranged, one ends of the pushing pieces are clamped on the inner wall of the moving plate, and the other ends of the pushing pieces are pushing ends and are used for pushing the surrounding plate; and
the second clamping teeth are arranged on the pushing top ends of the pushing pieces, after the pushing pieces are pushed, the second clamping teeth can be clamped on the first clamping teeth and fixedly connected with the first clamping teeth in a matched mode, the movable plate is fixed on the encircling plate by means of the pushing pieces, the movable plate is telescopic by means of the telescopic columns and the pushing pieces, and the second clamping teeth can be positioned on the first clamping teeth at different positions to adaptively adjust the fixed supporting height of the lifting mechanism.
2. The positioning and moving device for river channel water-blocking bridge reconstruction construction of claim 1, wherein the locking member comprises:
the clamping hooks are fixedly arranged at the upper end of the encircling plate and close to the end part of the encircling plate, can be hung on the top end of the pier and are used for hanging the encircling plate, and the encircling plate is fixed on the outer wall of the pier by virtue of a plurality of clamping hooks;
the telescopic rod is arranged at the lower end of the clamping hook and is fixedly connected with the upper end of the encircling plate, and the telescopic rod is used for adjusting the height of the clamping hook connected to the bridge pier after telescopic;
the bolts penetrate through the two clamping hooks at the end parts of the two adjacent surrounding plates and are locked and fixed so as to connect the two adjacent surrounding plates; and
the bearing piece is arranged in the middle of the clamping hook, a hook used for hanging the top of the bridge pier is arranged at the upper end of the clamping hook, and the hanging direction of the hook is rotationally adjusted by means of the bearing piece.
3. The positioning and moving device for river channel water-blocking bridge reconstruction construction of claim 1, wherein the pouring mechanism comprises:
the pouring telescopic parts are connected to the upper end of the lifting mechanism in a sliding manner and can be vertically telescopic and adjustable;
the support plates are hinged to the upper ends of the pouring telescopic pieces;
the plurality of spring pieces are fixedly arranged at the upper ends of the supporting plates and are all provided with the same height and elasticity;
the material containing boxes are arranged at the upper ends of the plurality of spring pieces and used for containing cast-in-place concrete, and the material containing boxes can buffer and contain the cast-in-place concrete conveyed into the reinforcement cage;
the vibrator is arranged on the material containing box and is used for driving the material containing box to vibrate and preventing concrete from condensing in the material containing box; and
and the pumping assembly is connected to the supporting mechanism in a sliding way, the feeding end and the discharging end are respectively connected with the conveying pipeline, and the pumping assembly is used for pumping concrete in the material containing box and pumping the concrete into the reinforcement cage.
4. The positioning and moving device for river channel water-blocking bridge reconstruction construction of claim 3, wherein the supporting mechanism comprises:
the supporting telescopic piece is vertically arranged at the upper end of the lifting mechanism and can vertically extend and retract;
the rotary table is arranged at the upper end of the supporting telescopic piece, can circumferentially rotate in a horizontal plane and can control the rotation angle, and a supporting column is arranged at the upper end of the rotary table;
one end of the cross beam is hinged to the upper end of the support column, the other end of the cross beam is a free end, the cross beam is horizontally arranged, the pumping assembly and the conveying pipeline are both arranged on the cross beam in a sliding mode, and the conveying pipeline adjusts the pouring concrete position of the reinforcement cage by means of the cross beam; and
and one end of the supporting ejection piece is hinged with the supporting column, the other end of the supporting ejection piece is hinged with the cross beam, and the supporting ejection piece is used for ejecting and adjusting the cross beam to wind the upper end rotation angle of the supporting column, so that the pouring height of the conveying pipeline to the reinforcement cage is adjusted.
5. The positioning and moving device for river water-blocking bridge reconstruction construction of claim 4, wherein a sliding rail is arranged at the bottom end of the cross beam along the length direction, strip-shaped through holes are respectively arranged in the cross beam and the sliding rail, the two strip-shaped through holes are mutually aligned and communicated in the vertical direction and can form an integrated through hole structure, two sliding rods are connected to the sliding rail in a sliding manner, the sliding rods can vertically stretch out and draw back, the lower end of one sliding rod is provided with the pumping assembly, the lower end of the other sliding rod is provided with a hanging ring, the hanging ring is used for hanging the conveying pipeline, the distance between the two sliding rods is adjustable, and the sliding rods can suspend and adjust the concrete conveying position of the conveying pipeline to a reinforcement cage.
6. The positioning and moving device for river channel water-blocking bridge reconstruction construction according to claim 5, wherein a driver is arranged at the upper end of the cross beam, two driving rods penetrate through the long-strip-shaped through holes, the upper ends of the driving rods are connected with the power output ends of the driver, the lower ends of the driving rods are respectively connected with the sliding ends of the two sliding rods, and the driving rods slide along the length direction of the long-strip-shaped through holes and drive the sliding rods to slide.
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| CN202110622127.7A CN113235465B (en) | 2021-06-03 | 2021-06-03 | Positioning and moving device for reconstruction construction of river channel water-blocking bridge |
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| JP3013688B2 (en) * | 1994-03-18 | 2000-02-28 | 株式会社大林組 | Construction method of concrete structure |
| JP5015048B2 (en) * | 2008-03-24 | 2012-08-29 | 前田建設工業株式会社 | Expansion method under space of river bridge |
| JP5015049B2 (en) * | 2008-03-24 | 2012-08-29 | 前田建設工業株式会社 | Pier extension method |
| CN205046853U (en) * | 2015-09-01 | 2016-02-24 | 中国建筑第八工程局有限公司 | Distributing device that core section of thick bamboo concrete placement used |
| CN108118901B (en) * | 2017-12-08 | 2020-03-20 | 中国建筑第八工程局有限公司 | Reverse pumping concrete device for basement and construction method |
| CN209128884U (en) * | 2018-08-31 | 2019-07-19 | 贵州科润华机电设备有限公司 | A kind of hydraulic self-lifting drop creeping formwork |
| CN210828359U (en) * | 2019-08-22 | 2020-06-23 | 安徽兴鼎建设有限公司 | Concrete pouring equipment for construction equipment |
| CN112227234B (en) * | 2020-10-20 | 2022-01-04 | 河南省交通勘察设计有限公司 | Construction method for lifting and transforming bridge |
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