CN213015006U - Bored concrete pile structure for water conservancy bridge - Google Patents

Abstract

The utility model relates to a bored concrete pile structure for water conservancy bridge relates to the field of bridge building, include the pile body, bury the inside steel reinforcement cage in the pile body underground, the steel reinforcement cage includes a plurality of sections steel reinforcement cage, and is a plurality of the coaxial setting of steel reinforcement cage, steel reinforcement cage upper end fixedly connected with is the horizontally support, the support both ends are cavity and opening setting, the support open end slides and wears to be equipped with the supporting shoe, the supporting shoe can support in drill way ground, support fixedly connected with joint spare, steel reinforcement cage lower extreme fixedly connected with is used for the connecting piece with lower floor's steel reinforcement cage's joint spare joint. This application has the effect of easy to assemble and place.

Description

Bored concrete pile structure for water conservancy bridge

Technical Field

The application relates to the field of bridge construction, in particular to a cast-in-place pile structure for a water conservancy bridge.

Background

The cast-in-situ bored pile is a pile which is made by forming a pile hole in foundation soil through mechanical drilling and other means in an engineering field, placing a reinforcement cage in the pile hole and pouring concrete, and is widely applied to water conservancy bridges.

The traditional Chinese patent with publication number CN109706924A discloses a cast-in-situ bored pile for a prestressed foundation pit enclosure, which comprises a hollow cylindrical pile body, wherein a cavity which is through along the axial direction of the pile body is arranged in the pile body, and reinforcing steel bars are arranged in the cavity; the reinforcement cage is tightly connected with the pile body; a plurality of prestressed tendons are arranged on one side, close to foundation pit excavation, of the pile body at intervals, the prestressed tendons extend along the axial direction of the pile body, and corrugated pipes are coaxially sleeved outside the prestressed tendons; the top ends of the prestressed tendons and the corrugated pipe are fixed on the top end face of the pile body through an anchorage device, the bottom ends of the prestressed tendons penetrate through the corrugated pipe, and the bottom ends of the prestressed tendons are fixed on the pile body through an anchoring section.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in actual work progress, the steel reinforcement cage is mostly made in advance at the steel reinforcement processing factory, and the length of main muscle slightly is greater than the stake hole degree of depth, and the stirrup is then even as an organic whole through ligature or welded mode and main muscle. When the reinforcement cage is placed, the length of the reinforcement cage is long and often reaches dozens of meters, so that the reinforcement cage is very inconvenient to place into a pile hole.

SUMMERY OF THE UTILITY MODEL

In order to improve the inconvenient problem of placing in the stake hole of steel reinforcement cage, this application provides a bored concrete pile structure for water conservancy bridge.

The application provides a pair of bored concrete pile structure for water conservancy bridge adopts following technical scheme:

the utility model provides a water conservancy is bored concrete pile structure for bridge, is including burying underground in the inside steel reinforcement cage of pile body, the steel reinforcement cage includes a plurality of sections steel reinforcement cage, and is a plurality of the coaxial setting of steel reinforcement cage, steel reinforcement cage upper end fixedly connected with is horizontally support, the support both ends are cavity and opening setting, the support supporting shoe is worn to be equipped with in sliding of support open end, the supporting shoe supports in drill way both sides ground, support fixedly connected with joint spare, steel reinforcement cage lower extreme fixedly connected with is used for the connecting piece with lower floor's steel reinforcement cage's joint spare joint.

Through adopting above-mentioned technical scheme, can pull out the supporting shoe from the support, and with the position of supporting shoe overlap joint in stake hole drill way both sides, thereby support framework, later through lifting by crane equipment with the connecting piece of another framework of steel reinforcement lower extreme and lower floor framework of steel reinforcement's joint spare joint, thereby couple together adjacent framework of steel reinforcement, can hoist two frameworks this moment, and move back the supporting shoe in the support, thereby make first framework of steel reinforcement can put into the stake hole, pull out the supporting shoe of upper framework of steel reinforcement simultaneously, and the overlap joint is in stake hole drill way both sides, and repeat above-mentioned operation, thereby can be convenient put into to the stake hole with longer cage.

Preferably, the side walls of the two sides of the inner cavity of the support are respectively provided with a sliding groove, the sliding grooves are connected with a sliding block in a sliding manner, and the extending ends of the sliding block are fixedly connected to the supporting block.

Through adopting above-mentioned technical scheme, can slide the pull-out along the horizontal direction with the supporting shoe in following the support inner chamber, make the supporting shoe can stabilize the position of overlap joint in stake hole drill way both sides, support the framework of steel reinforcement.

Preferably, the side wall of the support is provided with a through groove, the through groove is communicated with the inner cavity of the support, the support block is fixedly connected with a shifting block, and the shifting block slides in the through groove.

Through adopting above-mentioned technical scheme, can make the shifting block can slide in logical inslot through gripping the shifting block to can conveniently slide the supporting shoe and pull out from the support, make the supporting shoe overlap joint in stake hole drill way both sides position.

Preferably, the joint spare includes fixed connection in the fixed block of support, fixed block both sides lateral wall rotates respectively and is connected with the joint piece, the window that supplies two joint pieces to wear to establish is offered to the axle center position that the connecting piece is located steel skeleton, and when two joint pieces passed the window and rotated in opposite directions, joint piece outer wall butt in the window lateral wall, the fixed block is cavity and upper end opening setting, the fixed block open end slides and wears to be equipped with and is used for restricting joint piece pivoted locating part, the locating part butt in two joint pieces.

Through adopting above-mentioned technical scheme, when passing the window with two joint pieces, rotate two joint pieces in opposite directions again, make the joint piece be the horizontality, make joint piece butt in the window lateral wall, pull out the locating part from the fixed block simultaneously, make the locating part be in between two joint pieces to the butt is in joint piece lateral wall, thereby make joint piece position restriction, and then make the joint piece can last the butt in the window lateral wall, make adjacent framework of steel reinforcement can link up.

Preferably, the locating part is including sliding the stopper of wearing to locate the fixed block inner chamber, when the stopper stretches out the fixed block, stopper both sides lateral wall respectively butt in joint piece lateral wall, the fixed block is provided with the locking subassembly that is used for locking the stopper position, locking subassembly butt in stopper.

Through adopting above-mentioned technical scheme, when two joint pieces rotated to the horizontality in opposite directions, pull out the stopper from the fixed block inner chamber, the locking subassembly popped out this moment to with the butt in the stopper lower surface, make the stopper can continuously stretch out the fixed block, thereby make the stopper can last the butt in both sides joint piece.

Preferably, the locking subassembly is including seting up the dead slot in fixed block both sides lateral wall respectively, the dead slot sets up with fixed block inner chamber intercommunication, it is connected with the lockplate to slide in the dead slot, fixed block outer wall fixedly connected with spring, lockplate fixedly connected with extends the piece, spring one end fixed connection is in the fixed block outer wall, and other end fixed connection extends the piece, the lockplate butt is in the stopper.

Through adopting above-mentioned technical scheme, when the stopper is located the fixed block inner chamber, lockplate tip butt in the stopper lateral wall to make the spring be tensile state, when pulling out the stopper from the fixed block inner chamber, lockplate tip and stopper separation, the spring is for resumeing deformation, and drives the locking plate and remove towards fixed block inner chamber direction, thereby makes the lockplate can accept the stopper, and then restricts the removal of stopper.

Preferably, the outer wall of the fixing block is located above the empty groove and is fixedly connected with a positioning block, and the positioning block is abutted to the connecting piece.

Through adopting above-mentioned technical scheme, after the window of connecting piece passes through two joint pieces, the lower surface butt of connecting piece in the locating piece upper surface to prevent that the connecting piece from excessively moving down, make connecting piece lower surface butt on lockplate, increase the frictional force of lockplate, make lockplate be difficult for popping out.

Preferably, the connecting piece is circular, just a plurality of feed openings have been seted up to the connecting piece.

Through adopting above-mentioned technical scheme, after the steel reinforcement cage concatenation formed, need pour the concrete in pile body and the steel reinforcement cage to the concrete can flow down from the feed opening, makes the pile body evenly fill by the concrete smoothly.

In summary, the present application includes at least one of the following beneficial technical effects:

the supporting block can be pulled out of the support, the supporting block is overlapped at the positions of two sides of the orifice of the pile hole, the steel bar frameworks are supported, then the connecting piece at the lower end of the other steel bar framework is clamped with the clamping piece of the lower steel bar framework through the hoisting equipment, the adjacent steel bar frameworks are connected, the two steel bar frameworks can be hoisted at the moment, the supporting block is moved back into the support, the first steel bar framework can be placed into the pile hole, the supporting block of the upper steel bar framework is pulled out simultaneously and is overlapped on the two sides of the orifice of the pile hole, the operation is repeated, and therefore the longer steel bar cage can be conveniently placed into the pile hole.

When passing the window with two joint pieces, rotate two joint pieces in opposite directions again, make the joint piece be the horizontality, make joint piece butt in the window lateral wall, pull out the locating part from the fixed block simultaneously, make the locating part be in between two joint pieces to the butt is in joint piece lateral wall, thereby makes joint piece position restriction, and then makes the joint piece can last the butt in the window lateral wall, makes adjacent framework of steel reinforcement can link together.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic structural view of the adjacent steel frameworks in the embodiment in the connection state.

Fig. 3 is a schematic structural diagram of the fixing block in the embodiment.

Fig. 4 is a schematic structural view of the connector in this embodiment.

Fig. 5 is a sectional view of the fixing block in the present embodiment.

Description of reference numerals: 1. a reinforcement cage; 2. a steel reinforcement cage; 3. a support; 4. a support block; 31. a chute; 32. a slider; 5. a clamping piece; 6. a connecting member; 61. a feeding port; 33. a through groove; 34. shifting blocks; 51. a fixed block; 52. a clamping block; 62. a window; 7. a limiting member; 71. a limiting block; 72. a handle; 8. a locking assembly; 81. an empty groove; 82. a locking plate; 83. a spring; 84. an extension block; 9. and (5) positioning the blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The cast-in-situ bored pile is a pile made by forming a pile body in foundation soil through mechanical drilling and other means on an engineering site, placing a reinforcement cage in the pile body, and then pouring concrete.

The embodiment of the application discloses bored concrete pile structure for water conservancy bridge. Referring to fig. 1 and 2, a bored concrete pile structure for water conservancy bridge, including being cylindric pile body, bury reinforcing cage 1 underground in the pile body, and reinforcing cage 1 is formed by the concatenation of multisection steel reinforcement skeleton 2, and each section steel reinforcement skeleton 2 is coaxial to be set up, and connects gradually along self axis direction to coincide with the axis of pile body. 2 upper end welding of framework of steel reinforcement has and is horizontally support 3, support 3 is the rectangle setting, 3 both ends of support are cavity and opening setting, the two open ends of support 3 slide respectively and wear to be equipped with and be horizontally supporting shoe 4, 3 inner chamber both sides lateral walls of support set up the spout 31 that the cross-section is the T shape respectively along the horizontal direction, spout 31 slides and is connected with the slider 32 that the cross-section is the T shape, slider 32 stretches out the end welding and is in 4 lateral walls of supporting shoe, when supporting shoe 4 slides from 3 inner chambers of support and pulls out, supporting shoe 4 extends to outside the stake hole, thereby can the overlap joint subaerial in pile body drill way both sides, and then can support framework of steel reinforcement 2.

Referring to fig. 2 and 3, the bracket 3 is welded with a vertical joint member 5 at the axial center of the steel reinforcement cage 2, the lower end of the steel reinforcement cage 2 is welded with a horizontal connecting member 6, the connecting member 6 is arranged in a circular shape, and the connecting member 6 can be clamped with the joint member 5 of the lower steel reinforcement cage 2, so that the adjacent steel reinforcement cages 2 can be connected, then the connected steel reinforcement cages 2 can be lifted by a lifting device, the supporting blocks 4 are moved back to the inner cavity of the bracket 3, so that the two steel reinforcement cages 2 extend downwards into the pile body, the supporting blocks 4 of the upper steel reinforcement cage 2 are pulled out and lapped at the pile hole openings, and the above operations are repeated, so that the steel reinforcement cages 2 are sequentially connected, so that the steel reinforcement cages 2 can be smoothly positioned in the pile body, and the connecting member 6 is provided with four feed openings 61 for concrete to pass through, so that when concrete is poured into the steel reinforcement cages 2, the connecting piece 6 and the clamping piece 5 cannot block the concrete from flowing downwards, and then the pile body can be filled with the concrete.

Referring to fig. 3, in order to conveniently slide and pull out the supporting block 4 from the inner cavity of the support 3, the side wall of the support 3 is provided with a through groove 33 communicated with the inner cavity of the support 3 along the sliding direction of the supporting block 4, the upper surface of the supporting block 4 is welded with a vertical shifting block 34, and the shifting block 34 slides in the through groove 33, so that the shifting block 34 can be controlled by the access, the supporting block 4 is conveniently slid and pulled out from the support 3, and the supporting block 4 is lapped on two sides of the pile hole opening.

Referring to fig. 3 and 4, the clamping member 5 includes a fixed block 51 welded to the bracket 3, the fixed block 51 is square and vertically disposed, the fixed block 51 is located at the axis position of the steel reinforcement framework 2, the sidewalls of both sides of the upper end of the fixed block 51 are respectively hinged with a clamping block 52 for clamping the connecting member 6, the clamping block 52 is rectangular and rotates along a vertical plane, the connecting member 6 is located at the axis position of the steel reinforcement framework 2 and is provided with a window 62, when the two clamping blocks 52 are vertical, the window 62 can be penetrated, an operator can extend into the inner cavity of the steel reinforcement framework 2 from both sides of the steel reinforcement framework 2 by hand or other tools, the two clamping blocks 52 are rotated in opposite directions and are in a horizontal state, so that the sidewalls of the clamping blocks 52 can abut against the sidewalls of the window 62, at this time, in order to prevent the clamping blocks 52 from rotating, the clamping, fixed block 51 is cavity and upper end opening setting, and fixed block 51 slides in the upper end and wears to be equipped with locating part 7 to can pull out locating part 7 from fixed block 51 upper end, make locating part 7 be in between two joint pieces 52, and the butt in joint piece 52 lateral wall, thereby make joint piece 52 position restriction, and then make joint piece 52 can last the butt in 6 lateral walls of connecting piece, make adjacent framework of steel reinforcement 2 can connect.

Referring to fig. 3, the limiting member 7 includes a limiting block 71 slidably disposed in an inner cavity of the fixing block 51, when the limiting block 71 extends out of the fixing block 51, side walls of both sides of the limiting block 71 respectively abut against side walls of the engaging block 52, in order to facilitate the extraction of the limiting block 71 from the inner cavity of the fixing block 51, a handle 72 is welded to an upper end of the limiting block 71, and the handle 72 is located at a center of the limiting block 71, so as not to interfere with the rotation of the engaging block 52, a locking assembly 8 for locking the position of the limiting block 71 is disposed on a side wall of the fixing block 51, the locking assembly 8 includes a cavity 81 respectively formed in the side walls of both sides of the fixing block 51, the cavity 81 is formed in a horizontal direction, the cavity 81 is communicated with the inner cavity of the fixing block 51, a horizontal locking plate 82 is slidably disposed in the cavity 81, the locking plate 82 is disposed in, the one end of spring 83 welds in the fixed block 51 outer wall, and the other end welds in extension piece 84, thereby when stopper 71 is in the fixed block 51 inner chamber, the end butt of lockplate 82 is in stopper 71 lateral wall, and spring 83 is tensile state simultaneously, when stopper 71 rebound, and when stretching out fixed block 51 upper end, spring 83 moves lockplate 82 towards fixed block 51 inner chamber direction for resumeing deformation, thereby make two lockplate 82 remove in opposite directions, make lockplate 82 upper surface can butt in stopper 71 lower surface, make stopper 71 can continuously stretch out fixed block 51 upper end.

Referring to fig. 3 and 5, in order to prevent the two clamping blocks 52 from penetrating the window 62, the upper-layer steel reinforcement framework 2 excessively moves downwards, so that the connecting piece 6 abuts against the locking plate 82, the locking plate 82 is made to be difficult to move, the horizontal positioning block 9 is welded above the empty slot 81 on the outer wall of the fixing block 51, the positioning block 9 is arranged in a rectangular shape, and after the window 62 of the connecting piece 6 passes through the two clamping blocks 52, the lower surface of the connecting piece 6 abuts against the upper surface of the positioning block 9, so that the connecting piece 6 is prevented from continuously moving downwards and abutting against the locking plate 82, and the movement of the locking plate 82 is interfered.

The implementation principle of the embodiment is as follows: firstly, the supporting block 4 is slid and pulled out from the inner cavity of the bracket 3, so that the supporting block 4 can be lapped on two sides of the orifice of a pile hole, meanwhile, a hoisting device can be used for moving the upper layer steel reinforcement framework 2 to the upper part of the lower layer steel reinforcement framework 2, so that the two clamping blocks 52 of the lower layer steel reinforcement framework 2 can pass through the window 62 of the connecting piece 6 of the upper layer steel reinforcement framework 2, at the moment, the two clamping blocks 52 are oppositely rotated to the horizontal state, at the same time, the limiting block 71 is upwards pulled out from the inner cavity of the fixing block 51, so that the spring 83 drives the locking plate 82 to move towards the inner cavity of the fixing block 51, the two locking plates 82 can bear the limiting block 71, the position of the limiting block 71 is fixed and can continuously extend out of the upper end of the fixing block 51, so that the limiting block 71 can continuously abut against the side walls of the clamping blocks 52 on the two sides, and the supporting blocks 4 are moved back into the support 3, so that a steel reinforcement framework 2 can be placed into the pile body, the supporting blocks 4 of the upper steel reinforcement framework 2 are pulled out and are lapped on two sides of the orifice, the operations are repeated, and then the multiple sections of steel reinforcement frameworks 2 can be connected and placed, so that a long steel reinforcement cage 1 can be conveniently placed into the pile hole.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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 water conservancy is bored concrete pile structure for bridge, is including burying underground in inside steel reinforcement cage (1) of pile body, its characterized in that: steel reinforcement cage (1) includes a plurality of sections steel reinforcement cage (2), and is a plurality of steel reinforcement cage (2) coaxial setting, steel reinforcement cage (2) upper end fixedly connected with is horizontally support (3), support (3) both ends are cavity and opening setting, support (3) open end slides and wears to be equipped with supporting shoe (4), supporting shoe (4) support in drill way both sides ground, support (3) fixedly connected with joint spare (5), steel reinforcement cage (2) lower extreme fixedly connected with be used for with connecting piece (6) of joint spare (5) joint of lower floor's steel reinforcement cage (2).

2. The cast-in-place pile structure for the water conservancy bridge according to claim 1, characterized in that: the support is characterized in that sliding grooves (31) are formed in the side walls of two sides of the inner cavity of the support (3), sliding blocks (32) are connected to the sliding grooves (31) in a sliding mode, and the extending ends of the sliding blocks (32) are fixedly connected to the supporting blocks (4).

3. The cast-in-place pile structure for the water conservancy bridge according to claim 2, characterized in that: a through groove (33) is formed in the side wall of the support (3), the through groove (33) is communicated with the inner cavity of the support (3), the supporting block (4) is fixedly connected with a shifting block (34), and the shifting block (34) slides in the through groove (33).

4. The cast-in-place pile structure for the water conservancy bridge according to claim 1, characterized in that: joint spare (5) include fixed block (51) of fixed connection in support (3), fixed block (51) both sides lateral wall rotates respectively and is connected with joint piece (52), window (62) that supply two joint pieces (52) to wear to establish are seted up to the axle center position that connecting piece (6) are located framework of steel reinforcement (2), when two joint pieces (52) pass window (62) and rotate in opposite directions, joint piece (52) outer wall butt in window (62) lateral wall, fixed block (51) are cavity and upper end opening setting, fixed block (51) open end slides and wears to be equipped with and is used for restricting joint piece (52) pivoted locating part (7), locating part (7) butt in two joint pieces (52).

5. The cast-in-place pile structure for the water conservancy bridge according to claim 4, characterized in that: locating part (7) are including sliding stopper (71) of wearing to locate fixed block (51) inner chamber, when stopper (71) stretches out fixed block (51), stopper (71) both sides lateral wall respectively butt in joint piece (52) lateral wall, fixed block (51) are provided with locking subassembly (8) that are used for locking stopper (71) position, locking subassembly (8) butt in stopper (71).

6. The cast-in-place pile structure for the water conservancy bridge according to claim 5, characterized in that: locking subassembly (8) are including offering dead slot (81) in fixed block (51) both sides lateral wall respectively, dead slot (81) set up with fixed block (51) inner chamber intercommunication, the internal slip of dead slot (81) is connected with lockplate (82), fixed block (51) outer wall fixedly connected with spring (83), lockplate (82) fixedly connected with extends piece (84), spring (83) one end fixed connection in fixed block (51) outer wall, other end fixed connection in extends piece (84), lockplate (82) butt in stopper (71).

7. The cast-in-place pile structure for the water conservancy bridge according to claim 6, characterized in that: the outer wall of the fixing block (51) is located above the empty groove (81) and is fixedly connected with a positioning block (9), and the positioning block (9) is abutted to the connecting piece (6).

8. The cast-in-place pile structure for the water conservancy bridge according to claim 1, characterized in that: the connecting piece (6) is in a circular shape, and the connecting piece (6) is provided with a plurality of feed openings (61).

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