CN114561882A - Frame box culvert jacking structure of underpass railway and construction method thereof - Google Patents
Frame box culvert jacking structure of underpass railway and construction method thereof Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 34
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- 229910000831 Steel Inorganic materials 0.000 claims description 14
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- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
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- 239000002689 soil Substances 0.000 claims description 3
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- 239000004567 concrete Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/005—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by forcing prefabricated elements through the ground, e.g. by pushing lining from an access pit
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Abstract
The utility model relates to a frame box culvert top of lower cross railway advances structure, relate to the technical field that the box culvert top advances the construction, including a plurality of box culverts pieces, push forward mechanism one and push forward mechanism two, a plurality of box culverts pieces are arranged along the butt of horizontal direction each other, push forward mechanism one and include a plurality of hydraulic jacking pieces, hydraulic jacking pieces sets up subaerial, hydraulic jacking pieces are arranged along horizontal direction equidistance interval, the length direction of hydraulic jacking pieces is parallel to each other, hydraulic jacking pieces are used for stretching and promoting the box culvert piece, push forward mechanism two and set up subaerial, push forward mechanism two is used for promoting the box culvert piece and removes along the horizontal direction, push forward mechanism one and push forward the moving direction that mechanism two promote the box culvert piece mutually perpendicularly. This application has the less effect in messenger's box culvert jacking construction occupation of land space.
Description
Technical Field
The application relates to the technical field of box culvert jacking construction, in particular to a box culvert jacking structure for a downward-crossing railway and a construction method thereof.
Background
The box culvert jacking technology is applied to construction of railway and other places, and the railway is not easy to damage and dismantle for the bottom end of laying the railway, and a channel needs to be dug below the railway, and when the spaces on two sides of the railway are communicated, the box culvert jacking technology can be used for completion.
Relevant box culvert top advances structure includes box culvert spare and top advances the mechanism, the box culvert spare passes through concrete placement and forms on the steel reinforcement cage, the concrete structure spare that the passageway was seted up for the middle part to the box culvert spare, it includes a plurality of pneumatic cylinders to push up the mechanism, the pneumatic cylinder level sets up, the cylinder body of pneumatic cylinder is fixed subaerial, constructor digs at first in the railway both sides and establishes the foundation ditch, prefabricated box culvert spare and installation push forward the mechanism in the foundation ditch of railway one side, the box culvert spare is prefabricated after accomplishing, through the pneumatic cylinder extension and promote the box culvert spare, can make the box culvert spare insert in the earth of railway below and slowly advance, both ends until the box culvert spare are located the railway both sides respectively, form the passageway of intercommunication railway both sides.
The above related technical solutions have the following drawbacks: the box culvert piece is prefabricated in-process and takes up an area of great, and when the railway side construction region had more intensive building, the space that can be used for the construction and excavate the foundation ditch was less, was difficult to reserve sufficient space and supplies the box culvert piece prefabrication, caused the construction inconvenience.
Disclosure of Invention
In order to enable the occupied space of box culvert jacking construction to be small, the application provides a box culvert jacking structure for a downward-passing railway and a construction method thereof.
The application provides a box culvert jacking structure of underpass railway adopts following technical scheme:
the utility model provides a wear frame box culvert top of railway down and advance structure, including a plurality of box culvert pieces, a top mechanism one and a top mechanism two, a plurality of box culvert pieces are arranged along the butt of horizontal direction each other, a top mechanism one includes a plurality of hydraulic jacking pieces, hydraulic jacking pieces sets up subaerial, hydraulic jacking pieces is along horizontal direction equidistance interval arrangement, the length direction of hydraulic jacking pieces is parallel to each other, hydraulic jacking pieces is used for stretching and promotes the box culvert piece, a top mechanism two sets up subaerial, a top mechanism two is used for promoting the box culvert piece and removes along the horizontal direction, a top mechanism one and a top mechanism two promote the moving direction of box culvert piece perpendicular to each other.
Through adopting above-mentioned technical scheme, through subaerial setting up top mechanism one and top mechanism two, make top mechanism two can push box culvert piece to one side of top mechanism along the horizontal direction, top mechanism one can push box culvert piece into the region of railway below along the horizontal direction, make box culvert piece get into the top distance of railway below reduce, can splice each other through making a plurality of box culvert pieces, and then make solitary box culvert piece length reduce, can carry out the prefabrication and the top work of box culvert piece in the region that can the construction space is less, have and make box culvert top advance the construction and take up an area of the less effect in space.
Optionally, a plurality of connecting holes are formed in the end face of the box culvert in the length direction, and a plug-in is arranged in each connecting hole and used for being inserted into the connecting hole of the box culvert of the wheel.
By adopting the technical scheme, the plug-in pieces are arranged in the connecting holes by arranging the connecting holes on the box culvert pieces, so that the plug-in pieces can be inserted into two adjacent box culvert pieces, the two adjacent box culvert pieces can keep the state of length direction superposition, the probability that the box culvert pieces laterally move relative to the length direction can be reduced, and the structural strength of a channel spliced by the box culvert pieces is improved.
Optionally, the first jacking mechanism further comprises a dowel bar and a top plate, the top plate is arranged on a piston rod of the hydraulic jacking piece, the top plate is used for being attached to the outer wall of the box culvert piece, the dowel bar can be detachably connected between the top plate and the hydraulic jacking piece, and the dowel bar is used for lifting the distance between the top plate and the hydraulic jacking piece.
Through adopting above-mentioned technical scheme, through set up the roof on hydraulic jacking spare, make the roof can laminate on box culvert spare, and then make after the same length of a plurality of hydraulic jacking spare extensions, hydraulic jacking spare's thrust can evenly be applyed on box culvert spare outer wall through the roof, and then reduce the probability that hydraulic jacking spare destroys box culvert spare surface, through set up the dowel steel between hydraulic jacking spare and roof, make the dowel steel can support the roof, promote box culvert spare and extend to the ultimate length after hydraulic jacking spare, through making hydraulic jacking spare shrink, set up the dowel steel between hydraulic jacking spare and roof, can continue to make hydraulic jacking spare extension and promote box culvert spare.
Optionally, be provided with the butt mechanism on the first mechanism of advancing, butt mechanism includes a piece, mounting panel, extension and butt piece, and a piece is installed to the tailpiece of the piston rod portion of every hydraulic pressure jacking piece, and the connection can be dismantled on the piece to the mounting panel, and a mounting panel is connected with all pieces, and the butt piece is used for the butt on the outer wall of box culvert piece, and the extension setting is between butt piece and mounting panel, and the extension can be dismantled with butt piece and mounting panel and be connected.
Through adopting above-mentioned technical scheme, through set up butt mechanism on advancing mechanism one in the top, set up the piece on hydraulic pressure jacking, the different length of hydraulic pressure jacking extension can be controlled to the user of service, promote the box culvert piece when advancing mechanism two in the top, make the box culvert piece after removing the in-process orientation skew, the user of service can control hydraulic pressure jacking piece and adjust the orientation of box culvert piece, reach the effect of adjustment box culvert piece position, when can reducing and advance mechanism one and push the box culvert piece railway below, box culvert piece offset's probability.
Optionally, a plurality of clamping pieces are arranged on the surface of one side of the mounting plate, clamping grooves are formed in the clamping pieces, and one ejector piece is inserted into one clamping piece through each clamping groove.
Through adopting above-mentioned technical scheme, through setting up a plurality of fasteners on the mounting panel, set up the draw-in groove on the fastener, and then make the ejecting can insert the draw-in groove, reach the effect of can dismantling the connection with fastener and mounting panel, constructor can extend hydraulic pressure jacking piece to same length, at the end connection mounting panel of hydraulic pressure jacking piece, make the butt piece connect on the mounting panel to make one of jacking mechanism promote the box culvert piece through the butt piece and remove.
Optionally, one end of the mounting plate, which is far away from the clamping piece, is provided with a plurality of connecting rods, each abutting piece comprises an abutting plate and a plurality of inserting cylinders, each inserting cylinder is mounted on one side surface of each abutting plate, one connecting rod is inserted into one inserting cylinder, the length direction of each connecting rod is perpendicular to the mounting plate, and the length direction of each abutting plate is perpendicular to the corresponding inserting cylinder.
Through adopting above-mentioned technical scheme, through setting up the connecting rod on the mounting panel, set up on butt joint board and insert a section of thick bamboo, insert a section of thick bamboo through inserting the connecting rod, reach the effect that makes butt piece can dismantle with the mounting panel and be connected.
Optionally, the extension piece includes base plate and two sets of sleeves, and every group sleeve is provided with a plurality ofly, and every group sleeve is installed respectively on two relative sides of base plate, and base plate one side sleeve can be dismantled with the connecting rod and be connected, and base plate opposite side sleeve can be dismantled with inserting a section of thick bamboo and be connected.
Through adopting above-mentioned technical scheme, through setting up the sleeve on the base plate, make one side sleeve be connected with the connecting rod on the base plate, the opposite side sleeve with insert a section of thick bamboo and be connected, reach the effect that makes the extension install fast between mounting panel and butt piece, can promote the jacking length of jacking mechanism one.
The application provides a construction method of a box culvert jacking structure of an underpass railway, which adopts the following technical scheme:
a construction method of a frame box culvert jacking structure of an underpass railway comprises the following steps:
s1: a foundation pit is arranged on one side of the railway, and a first jacking mechanism and a second jacking mechanism are installed in the foundation pit;
s2: prefabricating box culvert pieces on one sides of the first jacking mechanism and the second jacking mechanism;
s3: after the box culvert pieces are prefabricated, pushing the box culvert pieces by using a first jacking mechanism to enable the box culvert pieces to be jacked into the soil and positioned below the railway;
s4: jacking the box culvert piece close to one side of the jacking mechanism II to one side of the jacking mechanism I, prefabricating the box culvert piece on one side of the jacking mechanism II, jacking the box culvert piece into the railway below by using the jacking mechanism I, and enabling the two box culvert pieces below the railway to be mutually abutted
S5: and repeating the steps until the box culvert pieces are communicated with the spaces on two sides of the railway.
Through adopting above-mentioned technical scheme, through seting up the foundation ditch in the railway both sides, for prefabricated box culvert piece provides the space, through at the prefabricated box culvert piece of first and two one sides of top feed mechanism, when the first box culvert piece that promotes of top feed mechanism removed, constructor can make the box culvert piece in two one sides of top feed mechanism simultaneously, after top feed mechanism two pushed the box culvert piece to top feed mechanism one-to-one, can be at the work of the repeated prefabricated box culvert piece of top feed mechanism during operation, reduced the construction and taken up an area of the space, lifting efficiency.
To sum up, the beneficial technical effect of this application does:
1. the box culvert component can be pushed to one side of the jacking mechanism in the horizontal direction by arranging the jacking mechanism I and the jacking mechanism II on the ground, the jacking mechanism I can push the box culvert component to an area below a railway in the horizontal direction, the jacking distance of the box culvert component below the railway is reduced, and a plurality of box culvert components can be spliced with one another, so that the length of a single box culvert component is reduced, the box culvert component can be prefabricated and jacked in an area with a smaller construction space, and the box culvert jacking construction has the effect of smaller occupied space;
2. the top plate is arranged on the hydraulic jacking piece, so that the top plate can be attached to the box culvert piece, and then after a plurality of hydraulic jacking pieces extend to the same length, the thrust of the hydraulic jacking pieces can be uniformly applied to the outer wall of the box culvert piece through the top plate, so that the probability that the hydraulic jacking pieces damage the outer surface of the box culvert piece is reduced, the dowel bar can support the top plate by arranging the dowel bar between the hydraulic jacking pieces and the top plate, and after the hydraulic jacking pieces push the box culvert piece and extend to the limit length, the hydraulic jacking pieces shrink, and the dowel bar is arranged between the hydraulic jacking pieces and the top plate, so that the hydraulic jacking pieces can continue to extend and push the box culvert piece;
3. through set up butt mechanism on pushing mechanism one, set up a piece on hydraulic jacking, the different length of hydraulic jacking piece extension can be controlled to the user of service, promote the box culvert piece when pushing mechanism two, make the box culvert piece after removing the in-process orientation skew, the user of service can control hydraulic jacking piece and adjust the orientation of box culvert piece, reach the effect of adjustment box culvert piece position, can reduce and push mechanism one when pushing the box culvert piece into the railway below, box culvert piece offset's probability.
Drawings
Fig. 1 is a first construction structure diagram of embodiment 1 of the present application.
Fig. 2 is a schematic view of a construction structure according to embodiment 1 of the present application.
Fig. 3 is a schematic construction structure of embodiment 2 of the present application.
Fig. 4 is a schematic view of the connection relationship between the hydraulic jack and the top member according to embodiment 2 of the present application.
Fig. 5 is a schematic view showing a connection relationship between the first pushing mechanism and the abutment mechanism according to embodiment 2 of the present application.
Fig. 6 is a schematic view showing a connection relationship between the jacking mechanism and the mounting plate according to embodiment 2 of the present application.
Fig. 7 is a schematic view of the structure of an extension member according to embodiment 2 of the present application.
Fig. 8 is a schematic structural view of an abutment member according to embodiment 2 of the present application.
Reference numerals: 1. a box culvert piece; 11. connecting holes; 12. a plug-in; 2. a first jacking mechanism; 21. a hydraulic jacking member; 22. a dowel bar; 23. a top plate; 3. a second jacking mechanism; 4. an abutting mechanism; 41. a top piece; 42. mounting a plate; 421. a fastener; 422. a connecting rod; 43. an extension member; 431. a substrate; 432. a sleeve; 44. an abutting member; 441. abutting against the plate; 442. and (7) inserting the cylinder.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses under pass frame box culvert jacking structure of railway. Referring to fig. 1 and 2, the box culvert is provided with a plurality of box culvert parts 1, a first jacking mechanism 2 and a second jacking mechanism 3, wherein the box culvert parts 1 are arranged in a horizontal direction, and the length directions of the box culvert parts 1 are parallel to each other and are abutted against each other, so that a channel is formed. The first jacking mechanism 2 is used for pushing the box culvert parts 1, so that the box culvert parts 1 can move in the horizontal direction. Constructor at first at railway one side prefabricated box culvert piece 1, push box culvert piece 1 into the earth of railway below and prefabricate box culvert piece 1 once more through a top feed mechanism 2, make a top feed mechanism 2 can push next box culvert piece 1 into the railway below, can make box culvert piece 1 all set up in the railway below after the repetitive operation many times, form the passageway. Through making a plurality of box culvert pieces 1 splice each other, can make the length of single box culvert piece 1 reduce, make the shared space of construction still less, be applicable to the comparatively intensive construction of railway one side building.
Referring to fig. 1 and 2, two 3 settings of jacking mechanism are in one 2 one sides of jacking mechanism, the flexible direction of two 3 of jacking mechanism is perpendicular with the flexible direction of one 2 of jacking mechanism, constructor can be at prefabricated box culvert spare 1 of one side of two 3 of jacking mechanism, and carry out the work of pushing up of box culvert spare 1 through one 2 of jacking mechanism, constructor can push up prefabricated box culvert spare 1 to one 2 one sides of jacking mechanism through two 3 of jacking mechanism, and then make one 2 of jacking mechanism can push up box culvert spare 1 under the railway, make the shared space of construction rationally plan, be applicable to and construct at the less district in space.
Referring to fig. 1 and 2, box culvert piece 1 is reinforced concrete structure, and box culvert piece 1 sets up to hollow cube structure, and box culvert piece 1 middle part forms the passageway, and the length direction of passageway is the horizontal direction, and constructor can make box culvert piece 1's passageway intercommunication railway both sides through setting up a plurality of box culvert pieces 1 under the railway, and box culvert piece 1 provides the support for the railway, can promote box culvert piece 1 and form the structural strength of culvert, reduces the probability that the culvert collapsed.
Referring to fig. 2, a plurality of connecting holes 11 have been seted up on the terminal surface on the length direction of box culvert spare 1, the length direction of connecting hole 11 is parallel with the length direction of box culvert spare 1, connecting hole 11 has been seted up a plurality ofly on box culvert spare 1 terminal surface, be provided with a plurality of plug-in components 12 on the terminal surface of box culvert spare 1, plug-in components 12 can set up to the I-steel, plug-in components 12 insert in a connecting hole 11 and stretch out, box culvert spare 1 top advances the in-process, plug-in components 12 of box culvert spare 1 tip can the translation and insert in the connecting hole 11 of adjacent box culvert spare 1, and then make plug-in components 12 can connect two adjacent box culvert spares 1, can reduce the probability that box culvert spare 1 relative length direction side moved, promote the structural strength of culvert.
Referring to fig. 2, a 2 mechanism of advancing includes hydraulic jacking piece 21, dowel steel 22 and roof 23, hydraulic jacking piece 21 is provided with a plurality ofly, the length direction of hydraulic jacking piece 21 is parallel with the length direction of box culvert piece 1, hydraulic jacking piece 21 is along the equidistance interval arrangement of horizontal direction, hydraulic jacking piece 21 sets up to the pneumatic cylinder, the cylinder body of pneumatic cylinder is fixed subaerial, the piston rod of pneumatic cylinder can stretch out and push up on box culvert piece 1, thereby make box culvert piece 1 subaerial horizontal slip. Roof 23 can dismantle the piston rod tip of connection at the pneumatic cylinder, and roof 23 sets up to the rectangular plate structure, and the length direction of roof 23 is the horizontal direction, and roof 23 is used for the butt and laminates on the outer wall of box culvert spare 1, and when a plurality of hydraulic jacking pieces 21 stretched simultaneously, the thrust of hydraulic jacking piece 21 passed through roof 23 evenly distributed on box culvert spare 1, and then reduced the damaged probability of box culvert spare 1 outer wall. Dowel steel 22 sets up the one side of keeping away from hydraulic jacking piece 21 on roof 23, dowel steel 22's length direction is parallel with the moving direction of box culvert spare 1, after hydraulic jacking piece 21 extension made the ultimate distance, constructor made hydraulic jacking piece 21 shrink, and one side installation dowel steel 22 on roof 23, make a plurality of dowel steel 22 along 23 length direction equidistance intervals settings of roof, install other roof 23 at dowel steel 22 tip again, constructor controls hydraulic jacking piece 21 extension this moment, can continue to make one 2 promotion box culvert spares of jacking mechanism 1. Through repeated operation many times, can make hydraulic jacking piece 21 promote box culvert piece 1 and remove longer distance.
Referring to fig. 1, two 3 settings of mechanism of advancing in the top are in hydraulic jacking piece 21 one side, and two 3 can promote box culvert spare 1 in the top, make box culvert spare 1 be located hydraulic jacking piece 21 before, and then make hydraulic jacking piece 21 can continue to promote box culvert spare 1, move the in-process at box culvert spare 1, and box culvert spare 1 slides along two mutually perpendicular directions respectively, further reduces the shared space of construction.
The implementation principle of the embodiment of the application is as follows: through reducing the length of box culvert spare 1, make a plurality of box culvert spares 1 advance the setting in proper order in the railway below, make a plurality of box culvert spares 1 splice the formation passageway mutually, thereby reduce the prefabricated shared space of box culvert spare 1, can construct in the intensive region of the other building of railway, through setting up advancing mechanism one 2 and advancing mechanism two 3, make box culvert spare 1 convey through advancing mechanism one 2 and advancing mechanism two 3 respectively, further make things convenient for constructor to set up the size in construction field, can advance the construction in the less region in space.
The embodiment of the application also discloses a construction method of the frame box culvert jacking structure of the underpass railway, which comprises the following steps:
s1: a foundation pit is formed in one side of the railway, and a first jacking mechanism 2 and a second jacking mechanism 3 are installed in the foundation pit;
s2: prefabricating a box culvert part 1 on one side of the first jacking mechanism 2 and one side of the second jacking mechanism 3;
s3: after the box culvert piece 1 is prefabricated, the box culvert piece 1 is pushed by a first jacking mechanism 2, so that the box culvert piece 1 is jacked into soil and is positioned below a railway
S4: jacking the box culvert piece 1 close to one side of the jacking mechanism II 3 to one side of the jacking mechanism I2, prefabricating the box culvert piece 1 on one side of the jacking mechanism II 3, jacking the box culvert piece 1 into the railway below by using the jacking mechanism I2, and enabling the two box culvert pieces 1 below the railway to be mutually abutted
S5: and repeating the steps until the box culvert pieces 1 are communicated with the spaces on two sides of the railway.
Example 2
The embodiment of the application discloses under wear frame box culvert jacking structure of railway, refer to fig. 3, with embodiment 1's difference lie in, can dismantle on the hydraulic pressure jacking piece 21 and be connected with butt mechanism 4, butt mechanism 4 includes kicking part 41, mounting panel 42, extension 43 and butt 44, kicking part 41 is provided with a plurality ofly, and a kicking part 41 is fixed on the piston rod of a hydraulic pressure jacking piece 21. Mounting panel 42 can dismantle with piece 41 and be connected, and mounting panel 42 can dismantle with butt 44 and be connected, and butt 44 is used for pushing up on box culvert spare 1's outer wall, and extension 43 sets up between mounting panel 42 and butt 44, and mounting panel 42 and butt 44 homoenergetic can dismantle with extension 43 and be connected, and extension 43 is used for prolonging the distance of butt 44 and hydraulic pressure jacking piece 21 to promote the distance that hydraulic pressure jacking piece 21 promoted box culvert piece 1.
Referring to fig. 4 and 5, the jacking member 41 is used for abutting against the box culvert member 1, the jacking mechanism two 3 pushes the box culvert member 1 to one side of the jacking mechanism one 2, the box culvert member 1 has a skew probability, when the jacking mechanism one 2 pushes the skew box culvert member 1, the position of the box culvert member 1 after entering the space below the railway is skewed, the box culvert member 1 is difficult to align with the adjacent box culvert member 1, construction is inconvenient, and the structural strength of the culvert is affected. Constructor supports on box culvert spare 1 through making the ejector 41, can control the different length of a plurality of hydraulic jacking pieces 21 extension, and then reaches the effect of fine setting box culvert spare 1 position, can push away crooked box culvert spare 1 to the parallel position of length direction and predetermined direction, reaches the effect of adjustment box culvert spare 1 position. The first jacking mechanism 2 and the second jacking mechanism 3 can jointly push the box culvert piece 1, and the accuracy of adjusting the position of the box culvert piece 1 is further improved. In other embodiments, the constructor can set up the loop wheel machine at the job site, through loop wheel machine hoist and mount box culvert spare 1, box culvert spare 1 after the hoist and rotate through the promotion of jacking mechanism 2, the loop wheel machine puts down box culvert spare 1 after the adjustment, reaches the effect of adjustment box culvert spare 1 position.
Referring to fig. 6, 7 and 8, the top member 41 is provided in a rectangular plate structure, and the top member 41 is perpendicular to the length direction of the hydraulic jack 21. The mounting panel 42 is the rectangular plate structure, and the length direction of mounting panel 42 is parallel with the array orientation of a plurality of hydraulic pressure jacking pieces 21, is provided with a plurality of blocks 421 on the mounting panel 42, and block 421 has seted up the draw-in groove along the length direction equidistance interval arrangement of mounting panel 42 on the block 421, and a piece 41 can insert the draw-in groove of a block 421 to make mounting panel 42 and piece 41 can the high-speed joint. A plurality of connecting rods 422 are arranged on the surface of one side of the mounting plate 42 away from the clamping piece 421, and the length direction of the connecting rods 422 is perpendicular to the mounting plate 42. The connecting rods 422 are equally spaced along the length of the mounting plate 42. The abutting piece 44 comprises an abutting plate 441 and an inserting cylinder 442, the abutting plate 441 is of a rectangular plate structure, the inserting cylinder 442 is fixedly installed on one side of the abutting plate 441, the inserting cylinder 442 is arranged at intervals along the length direction of the abutting plate 441, the connecting rod 422 can be inserted into the inserting cylinder 442, the abutting piece 44 can be detachably connected onto the installing plate 42, at the moment, a constructor controls the plurality of hydraulic jacking pieces 21 to extend for the same length, and the abutting plate 441 can move along the linear direction and push the box culvert piece 1. The extension member 43 includes a base 431 and two sets of sleeves 432, the base 431 is a rectangular plate structure, the two sets of sleeves 432 are respectively fixed on two side surfaces of the base 431, the plurality of base 431 of the same set are arranged at equal intervals along the length direction of the base 431, the sleeve 432 on one side of the base 431 is used for being connected with the connecting rod 422, and the sleeve 432 on the other side is used for being connected with the inserting cylinder 442.
The embodiment of the application also provides a construction method of the frame box culvert jacking structure of the underpass railway, which comprises the following steps:
s1: pushing the box culvert piece 1 to one side of the jacking mechanism I2 by using a jacking mechanism II 3;
s2: checking whether the position of the box culvert component 1 deviates or not, if the position of the box culvert component 1 does not deviate, pushing the box culvert component 1 into the lower part of a railway by using a first jacking mechanism 2, pushing an abutting component 44 by a hydraulic jacking component 21 through a mounting plate 42 and an extension component 43 at the moment, abutting the abutting component 44 with the box culvert component 1, and if the position of the box culvert component 1 deviates, unloading the mounting plate 42, the extension component 43 and the abutting component 44 from the hydraulic jacking component 21 to enable a plurality of hydraulic jacking components 21 to independently extend and retract, pushing the box culvert component 1 by a plurality of hydraulic jacking components 21 to enable the jacking component 41 to abut with the box culvert component 1, and enabling the box culvert component 1 to continuously deviate in the moving process until the position returns to a preset orientation;
s3: and prefabricating the box culvert part 1 on one side of the second jacking mechanism 3 and repeating the process.
The implementation principle of the embodiment of the application is as follows: through set up butt mechanism 4 on advancing mechanism 2 in the top, make mounting panel 42 joint on ejecting 41 to make a plurality of hydraulic pressure jacking pieces 21 independently flexible, make things convenient for constructor to use and advance mechanism 2 adjustment box culvert piece 1's position and orientation, can make box culvert piece 1 advance along the predetermined direction top and with adjacent box culvert piece 1 alignment and butt, conveniently accelerate the construction progress and guarantee construction quality.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a frame box culvert top of wearing railway down advances structure which characterized in that: including a plurality of box culvert pieces (1), the mechanism (2) and the mechanism two (3) are advanced in the top, a plurality of box culvert pieces (1) are arranged along the butt of horizontal direction each other, the mechanism (2) is advanced in the top includes a plurality of hydraulic pressure jacking pieces (21), hydraulic pressure jacking piece (21) set up subaerial, hydraulic pressure jacking piece (21) are arranged along horizontal direction equidistance interval, the length direction of hydraulic pressure jacking piece (21) is parallel to each other, hydraulic pressure jacking piece (21) are used for stretching and promoting box culvert piece (1), the mechanism two (3) set up subaerial is advanced in the top, mechanism two (3) are advanced in the top and are used for promoting box culvert piece (1) and remove along the horizontal direction, the direction of movement that mechanism (2) and mechanism two (3) in the top promoted box culvert piece (1) is perpendicular to each other.
2. The frame culvert jacking structure of an underpass railway as claimed in claim 1, wherein: the end face of the box culvert piece (1) in the length direction is provided with a plurality of connecting holes (11), each connecting hole (11) is provided with one plug-in piece (12), and the plug-in pieces (12) are used for being inserted into the connecting holes (11) of the box culvert piece (1) of the wheel.
3. The frame culvert jacking structure of an underpass railway as claimed in claim 1, wherein: jacking mechanism (2) still include dowel steel (22) and roof (23), and roof (23) set up on the piston rod of hydraulic pressure jacking piece (21), and roof (23) are used for the laminating on the outer wall of box culvert piece (1), and dowel steel (22) can be dismantled and connect between roof (23) and hydraulic pressure jacking piece (21), and dowel steel (22) are used for promoting the interval of roof (23) and hydraulic pressure jacking piece (21).
4. The frame culvert jacking structure of an underpass railway as claimed in claim 1, wherein: be provided with butt mechanism (4) on advancing mechanism (2), butt mechanism (4) are including ejector member (41), mounting panel (42), extension (43) and butt piece (44), ejector member (41) are installed to the piston rod tip of every hydraulic pressure jacking piece (21), mounting panel (42) can be dismantled and connect on ejector member (41), a mounting panel (42) are connected with all ejector members (41), butt piece (44) are used for the butt on the outer wall of box culvert piece (1), extension (43) set up between butt piece (44) and mounting panel (42), extension (43) can be dismantled with butt piece (44) and mounting panel (42) and be connected.
5. The frame culvert jacking structure of an underpass railway as claimed in claim 4, wherein: a plurality of clamping pieces (421) are arranged on the surface of the upper side of the mounting plate (42), clamping grooves are formed in the clamping pieces (421), and one top piece (41) is inserted into one clamping piece (421) through the clamping grooves.
6. The frame culvert jacking structure of an underpass railway as claimed in claim 5, wherein: the mounting plate (42) is gone up and is kept away from on the one end of fastener (421) and install a plurality of connecting rod (422), and butt piece (44) are including butt plate (441) and a plurality of section of thick bamboo (442) of inserting, and insert a section of thick bamboo (442) and install in butt plate (441) side surface, and a connecting rod (422) inserts one and inserts a section of thick bamboo (442), and connecting rod (422) length direction is perpendicular with mounting plate (42), and butt plate (441) length direction is perpendicular with inserting a section of thick bamboo (442).
7. The frame culvert jacking structure for the underpass railway of claim 6, wherein: the extension piece (43) comprises a base plate (431) and two groups of sleeves (432), wherein the number of the sleeves (432) is multiple, the sleeves (432) are respectively arranged on two opposite side faces of the base plate (431), the sleeves (432) on one side of the base plate (431) are detachably connected with the connecting rod (422), and the sleeves (432) on the other side of the base plate (431) are detachably connected with the inserting barrel (442).
8. A construction method of a frame box culvert jacking structure of an underpass railway according to claim 1, characterized in that: the method comprises the following steps:
s1: a foundation pit is formed in one side of the railway, and a first jacking mechanism (2) and a second jacking mechanism (3) are installed in the foundation pit;
s2: prefabricating a box culvert piece (1) on one side of the first jacking mechanism (2) and one side of the second jacking mechanism (3);
s3: after the box culvert piece (1) is prefabricated, pushing the box culvert piece (1) by using a first pushing mechanism (2) to enable the box culvert piece (1) to be pushed into soil and be positioned below a railway;
s4: jacking the box culvert piece (1) near one side of the jacking mechanism two (3) to one side of the jacking mechanism one (2), prefabricating the box culvert piece (1) on one side of the jacking mechanism two (3), and simultaneously jacking the box culvert piece (1) into the railway below by using the jacking mechanism one (2), so that the two box culvert pieces (1) below the railway are mutually abutted
S5: and repeating the steps until the box culvert pieces (1) are communicated with the spaces on two sides of the railway.
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|---|---|---|---|
| CN202210318352.6A CN114561882B (en) | 2022-03-29 | 2022-03-29 | Frame box culvert jacking structure of underpass railway and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318352.6A CN114561882B (en) | 2022-03-29 | 2022-03-29 | Frame box culvert jacking structure of underpass railway and construction method thereof |
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| CN114561882A true CN114561882A (en) | 2022-05-31 |
| CN114561882B CN114561882B (en) | 2023-09-15 |
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| CN114561882B (en) | 2023-09-15 |
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