CN114657972A - Centering device for precast tubular pile and mounting method thereof - Google Patents
Centering device for precast tubular pile and mounting method thereof Download PDFInfo
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- CN114657972A CN114657972A CN202210356034.9A CN202210356034A CN114657972A CN 114657972 A CN114657972 A CN 114657972A CN 202210356034 A CN202210356034 A CN 202210356034A CN 114657972 A CN114657972 A CN 114657972A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
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Abstract
The invention relates to a centering device for a precast tubular pile and an installation method thereof, relating to the technical field of tubular pile construction and comprising a fixed end rod and a centering rod, wherein a laser generator is arranged at the center of the surface of the centering rod, a connecting piece is arranged at one end of the fixed end rod, which is far away from the centering rod, a dovetail block is fixedly arranged on the fixed end rod, a dovetail groove for the dovetail block to slide and abut against is formed in the bottom wall of the centering rod, and a centering cavity is formed in the centering rod; the dovetail block is fixedly provided with a rack, a group of driving gears are symmetrically and rotatably arranged in the centering cavity, one driving gear is meshed with one rack, the other driving gear is meshed with the other rack, a plurality of driven gears are symmetrically arranged between the two driving gears and are sequentially meshed with each other, one driving gear is meshed with the driven gear at one end, and the other driving gear is meshed with the driven gear at the other end. This application has the operation degree of difficulty when improving centering device operation, improves the effect of installation convenience.
Description
Technical Field
The invention relates to the technical field of pipe pile construction, in particular to a centering device for a precast pipe pile and an installation method thereof.
Background
At present, pipe piles are mainly used for foundation construction of building engineering, pile foundations have high bearing capacity and stability, and the centering and positioning of precast pipe piles are key points for controlling centering precision and directly influence whether pile position offset meets the requirement of construction precision or not.
The related art designs Chinese patent with an authorization publication number of CN212612471U and provides a centering device for a precast tubular pile, which comprises two fixed end rods, a centering piece, a first fastening connecting piece, a second fastening connecting piece and a laser generator, wherein the two fixed end rods are oppositely arranged, the fixed end rods are also provided with scale marks along the length direction, one end of the centering piece is in sliding lap joint with one fixed end rod, the other end of the centering piece is in sliding lap joint with the other fixed end rod, the first fastening connecting piece is arranged at one end of the fixed end rod far away from the direction of the centering piece, the fixed end rods are connected with the centering piece through the second fastening connecting piece, and the laser generator is arranged at the center of the lower surface of the centering piece; when the centering device is used, one fixed end rod is fixedly arranged in any one pile hole on the inner diameter side wall of the precast tubular pile through the first fastening connecting piece, then another fixed end rod is pulled, the connecting line of the two fixed end rods forms the inner diameter of the precast tubular pile, the other fixed end rod is fixed through the first fastening connecting piece, the position of the centering piece on the fixed end rod is finally adjusted, the readings of the scale marks corresponding to the two end parts of the centering piece are the same, at the moment, the center position of the centering piece is superposed with the center position of the precast tubular pile, the centering piece is connected with the fixed end rod through the second fastening connecting piece, and the laser generator is enabled to complete centering setting of the precast tubular pile.
In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: after installing two fixed end bars, need artificially adjust centering piece and slide on fixed end bar to observe through the numerical value on the scale mark, make two fixed end bar symmetries set up on centering piece, the operation needs to consume certain time and manpower like this, and centering step is comparatively loaded down with trivial details, consequently remains to improve.
Disclosure of Invention
In order to improve the operation difficulty of the centering device during operation and improve the installation convenience, the application provides a centering device for a precast tubular pile and an installation method thereof.
First aspect, the application provides a centering device for precast tubular pile adopts following technical scheme:
a centering device for a precast tubular pile comprises two fixed end rods and a centering rod, wherein the two fixed end rods are symmetrically arranged on the centering rod, a laser generator is arranged at the center of the surface of the centering rod, and a connecting piece is arranged at one end, far away from the centering rod, of each fixed end rod and used for connecting the fixed end rods with the tubular pile; a dovetail block is fixedly arranged on one side of the fixed end rod facing the direction of the centering rod, a dovetail groove for the dovetail block to slide and abut against is formed in the bottom wall of the centering rod, and a centering cavity communicated with the dovetail groove is formed in the centering rod; the one end that fixed end pole direction was kept away from to the dovetail piece just is located centering intracavity fixation and is provided with the rack, centering intracavity symmetry rotates and is provided with a set of driving gear, one of them driving gear and a rack intermeshing, another driving gear and another rack intermeshing, two the symmetry is provided with a plurality of driven gear between the driving gear, driven gear's quantity is the dual, driven gear intermeshing in proper order, one of them the driving gear is with the driven gear intermeshing of one end, another the driving gear is with the driven gear intermeshing of the other end.
By adopting the technical scheme, when the centering device is used, the fixed end rod and the centering rod are placed on the tubular pile, the fixed end rod and the centering rod are positioned in the same length direction, the fixed end rod is adjusted to be positioned in the length direction of the inner diameter of the tubular pile, and then the fixed end rod and the tubular pile are mutually fixed through the connecting piece; when the positions of the fixed end rod and the centering rod on the tubular pile are adjusted, the fixed end rod and the centering rod slide mutually, the dovetail block slides in the dovetail groove, the dovetail block drives the rack to slide, the rack slides and is simultaneously abutted against one driving gear, the driving gear drives a plurality of driven gears to rotate, the driven gears drive the other driving gear to rotate, because the number of the driven gears is even, the rotating directions of the two driving gears are always opposite, when one fixed end rod slides on the centering rod, the other fixed end rod can be driven to slide on the centering rod, because the fixed end rods and the driving gear are symmetrically arranged on the centering rod, after one fixed end rod slides, the other fixed end rod is always kept symmetrical, and then when utilizing connecting piece installation fixed end pole, fixed end pole has set up well symmetrically, and the laser generator in centering rod surface center department accomplishes the centering setting of precast tubular pile this moment. Compared with related files, the centering device has the advantages that when the fixed end rod and the centering piece are adjusted, whether the fixed end rod is symmetrical or not is judged according to scale marks on the fixed end rod when the centering rod is adjusted, the positions of the fixed end rod and the centering rod are adjusted quickly, installation convenience is achieved, and operation difficulty in operation of the centering device is reduced.
Preferably, a locking groove is formed in the inner wall of the centering cavity, a locking rod is arranged in the locking groove in a sliding mode, a locking key is fixedly arranged at one end, facing the direction of the centering cavity, of the locking rod, the locking key is used for locking the driving gear, an abutting spring abutting against the end wall of the locking rod is fixedly arranged on the bottom wall of the locking groove, a pull rope is arranged at one end, facing the abutting spring, of the locking rod, and the pull rope penetrates through the centering rod.
By adopting the technical scheme, when the centering device is not needed, the abutting spring abuts against the locking rod, the locking key is used for fixing the driving gear, and the fixed end rod and the centering rod cannot slide at the moment so as to be convenient for accommodating the centering device; when the centering device is installed, the pull rope is pulled, the locking key is separated from the driving gear, the locking rod is fixed at the fixed end of the centering rod, the pull rope is loosened, the locking key is inserted into the driving gear under the action of the abutting spring at the moment, the locking rod is abutted to the inner wall of the locking groove at the moment, the locking key locks the driving gear, the driving gear cannot rotate, specific adjustment between the fixed end of the fixed rod.
Preferably, one end of the pull rope far away from the locking rod side is fixedly provided with a pull ring, and the outer wall of the centering rod is fixedly provided with a pull hook for hanging the pull ring.
Through adopting above-mentioned technical scheme, when installation centering device, through the pulling pull ring, drive the locking pole to the motion of locking tank bottom wall direction to keep away from the driving gear with the locking key, can slide relatively between fixed end pole and the centering rod this moment, and articulate pull ring and drag hook each other, thereby need not the user and continuously stimulate the stay cord, convenience when having improved the device installation.
Preferably, one of the connecting pieces is a connecting plate, the other connecting piece is a connecting frame, the connecting plate is rotatably arranged on one of the fixed end rods, a first connecting bolt is arranged on the connecting plate, the connecting frame is rotatably arranged on the other fixed end rod, a second connecting bolt is arranged on the connecting frame, a plurality of friction reducing wheels are rotatably arranged on the connecting frame, and the outer diameters of the friction reducing wheels are the same as the thickness of the connecting plate.
Through adopting above-mentioned technical scheme, when installing centering device, utilize first connecting bolt earlier to advance connecting plate and tubular pile outer wall reciprocal anchorage, can rotate fixed end pole this moment, adjust the position of fixed end pole and centering rod, make fixed end pole and centering rod adjust to being in tubular pile internal diameter length direction, when adjusting, will subtract and rub wheel and tubular pile outer wall reciprocal lamination, the link can with another fixed end pole reciprocal rotation simultaneously, treat that fixed end pole and centering rod are in tubular pile internal diameter length direction, through second connecting bolt with link and tubular pile outer wall reciprocal anchorage, reach the purpose of convenient regulation.
Preferably, a set of tension springs is arranged between the two fixed end rods, and the laser generator is positioned between the two tension springs.
Through adopting above-mentioned technical scheme, taut spring orders about two fixed end poles and is close to each other, and when installation centering device, taut spring drives the connecting plate and subtracts and rubs the wheel and offset with the tubular pile outer wall, then removes fixed end pole and centering rod and adjusts, need not artificial drive and subtracts and rubs the wheel and offset with the tubular pile outer wall, has further improved the convenience of installation.
Preferably, a fixing rod is fixedly arranged on the bottom wall of the fixing end rod and located at the center of the bottom wall of the fixing end rod, auxiliary rods are symmetrically and fixedly arranged on the outer side wall of the fixing rod, the length direction of each auxiliary rod is perpendicular to that of the fixing end rod, a telescopic rod is sleeved at one end of each auxiliary rod, which is far away from the fixing rod, a telescopic groove for the insertion and the sliding of each auxiliary rod is formed in the end wall of each telescopic rod, and a telescopic spring which is abutted against the end wall of each auxiliary rod is arranged in each telescopic groove.
By adopting the technical scheme, when the position between the fixed end rod and the centering rod is adjusted, after the fixed end rod and the centering rod are placed on the tubular pile, the fixed rod and the auxiliary rod at the bottom of the fixed end rod extend into the tubular pile, the telescopic spring is abutted against the telescopic rod at the moment to drive the telescopic rod to slide on the auxiliary rod, one end of the telescopic rod, which is far away from the direction of the auxiliary rod, is abutted against the inner wall of the tubular pile, because the auxiliary rod, the telescopic rod and the telescopic spring are symmetrically arranged on the fixed rod, the telescopic spring is kept symmetrical at the moment, so that the sliding of the telescopic rod is automatically controlled to keep symmetrical, the position of the telescopic rod on the auxiliary rod is symmetrical at the moment, the fixed end rod can be judged to be adjusted to be in the length direction of the inner diameter of the tubular pile, the fixed end rod and the centering rod can be conveniently and quickly adjusted, meanwhile, the telescopic rod can slide on the auxiliary rod, and can quickly position and install tubular piles with different diameters, the applicability of the centering device is improved.
Preferably, one end of the telescopic rod, which is far away from the direction of the auxiliary rod, is rotatably provided with a guide wheel.
Through adopting above-mentioned technical scheme, when the telescopic link was offset by expanding spring, two expanding spring were even for the atress, and the telescopic link slides on the auxiliary rod, and the one end that the auxiliary rod direction was kept away from to the telescopic link this moment offsets with the tubular pile inner wall and can take place certain displacement, and the leading wheel is convenient for the end wall of telescopic link and slides on the tubular pile inner wall, has reduced the wearing and tearing that receive on the telescopic link end wall, further is favorable to the centering accuracy after the holding device installation.
Preferably, the outer side wall of the auxiliary rod is fixedly provided with a limiting rod, and the inner side wall of the telescopic groove is provided with a limiting groove which is used for the limiting rod to slide and abut against.
By adopting the technical scheme, when the centering device is not used, the telescopic spring drives the telescopic rod to slide towards the direction away from the auxiliary rod, the auxiliary rod slides in the telescopic groove, the limiting rod slides in the limiting groove, and the limiting rod can abut against the inner wall of the limiting groove, so that the phenomenon that the auxiliary rod is separated from the telescopic groove is reduced; simultaneously when the device is installed, through stirring the gag lever post, order about the telescopic link and slide to the auxiliary rod direction to stretch into the tubular pile with telescopic link and auxiliary rod.
Preferably, the outer side wall of the auxiliary rod is provided with scale marks.
Through adopting above-mentioned technical scheme, expanding spring can order about fixed end pole and centering rod and remove to being in tubular pile internal diameter length direction, and the user can further confirm the position of fixed end pole and centering rod through the scale mark on two auxiliary rods, has improved the operation accuracy.
The second aspect, the application provides a mounting method of centering device for precast tubular pile, adopts following technical scheme: the method comprises the following steps:
pulling the fixed end rods to enable the two fixed end rods to be away from each other, placing the fixed end rods on the tubular pile, simultaneously stirring the limiting rods, and sliding the telescopic rods towards the direction of the auxiliary rods, so that the auxiliary rods and the telescopic rods can extend into the tubular pile;
the fixed end rod and the limiting rod are loosened, the tension spring drives the connecting plate and the friction reducing wheel to abut against the outer wall of the tubular pile, and the telescopic spring drives the guide wheel to abut against the inner wall of the tubular pile;
fixing the connecting plate and the tubular pile by a first connecting bolt;
the telescopic springs drive the two telescopic rods to be symmetrically arranged at the bottom of the fixed end rod, and the position of the centering rod is confirmed through the scale lines;
fixing the connecting frame and the outer wall of the tubular pile by using a second connecting bolt;
the pull ring and the drag hook are mutually separated, and under the acting force of the abutting spring, the locking key locks one driving gear in the centering cavity.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the connecting piece, the dovetail block, the dovetail groove, the rack, the driving gear and the driven gear, when whether the fixed end rod is symmetrical to the centering rod or not is judged without scale marks on the fixed end rod, the positions of the fixed end rod and the centering rod are quickly adjusted, the installation is convenient, and the operation difficulty of the centering device during operation is reduced;
2. by arranging the connecting plate, the first connecting bolt, the connecting frame, the second connecting bolt, the friction reducing wheel and the tensioning spring, when the centering device is installed, the tensioning spring drives the connecting plate and the friction reducing wheel to abut against the outer wall of the tubular pile, then the fixed end rod and the centering rod are moved to adjust, the friction reducing wheel does not need to be manually driven to abut against the outer wall of the tubular pile, and the installation convenience is further improved;
3. through setting up the dead lever, the auxiliary rod, the telescopic link, flexible groove, expanding spring and leading wheel, the automatic control telescopic link keeps the symmetry of sliding, makes the position symmetry of telescopic link on the auxiliary rod, and then can judge that fixed end pole adjusts to being in tubular pile internal diameter length direction, makes things convenient for quick adjustment fixed end pole and centering rod, and the telescopic link can slide on the auxiliary rod simultaneously, can carry out quick location installation to the tubular pile of different diameters size, has improved centering device's suitability.
Drawings
Fig. 1 is a schematic structural diagram of a centering device for a precast tubular pile provided in an embodiment of the present application.
Fig. 2 is a sectional view for embodying the connection relationship between the fixed end rod and the centering rod in the embodiment of the present application.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Description of reference numerals: 1. fixing the end rod; 11. a centering rod; 111. aligning the middle cavity; 12. a laser generator; 13. tensioning the spring; 2. a connecting member; 21. a connecting plate; 211. a first connecting bolt; 22. a connecting frame; 222. a friction reducing wheel; 223. a second connecting bolt; 3. a dovetail block; 31. a dovetail groove; 32. a rack; 4. a driving gear; 41. a driven gear; 5. a locking groove; 51. a lock lever; 511. a locking key; 52. an abutment spring; 53. pulling a rope; 6. a pull ring; 61. pulling a hook; 7. fixing the rod; 71. an auxiliary lever; 72. a telescopic rod; 721. a telescopic groove; 73. a tension spring; 74. a guide wheel; 8. a limiting rod; 81. a limiting groove; 9. scale lines; 10. and (4) tube piles.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
First aspect, this application embodiment discloses a centering device for precast tubular pile. Referring to fig. 1, it includes fixed end rod 1 and centering rod 11, and fixed end rod 1 is provided with two and the symmetry sets up the lower surface at centering rod 11, and fixed end rod 1 and centering rod 11 set up along same length direction, slide between fixed end rod 1 and the centering rod 11 and set up to satisfy the demand to the installation of equidimension tubular pile 10 not, the fixed laser generator 12 that is provided with in center department of centering rod 11 lower surface. The end of the fixed end rod 1 far away from the centering rod 11 is provided with a connecting piece 2, the centering rod 11 and the fixed end rod 1 are installed on the tubular pile 10 during installation, so that the fixed end rod 1 and the centering rod 11 are located in the length direction of the inner diameter of the tubular pile 10, and the fixed end rod 1 and the tubular pile 10 are fixedly connected through the connecting piece 2 so as to install the device.
Referring to fig. 1 and 2, one side of the fixed end rod 1 facing the direction of the centering rod 11 is integrally provided with a dovetail block 3, the dovetail block 3 is arranged along the length direction of the fixed end rod 1, the bottom wall of the centering rod 11 is provided with a dovetail groove 31 along the length direction, and the dovetail block 3 is arranged in the dovetail groove 31 in a sliding manner so as to realize the sliding connection between the fixed end rod 1 and the centering rod 11. Be provided with in the centering rod 11 with dovetail 31 intercommunication centering chamber 111 each other, centering chamber 111 sets up along centering rod 11's length direction, and the one end that fixed end pole 1 direction was kept away from to dovetail block 3 is integrative to be provided with rack 32, and rack 32's length direction sets up along dovetail block 3's length direction, and rack 32 is located centering chamber 111. A group of driving gears 4 are symmetrically and rotatably arranged in the centering cavity 111 through a rotating shaft, the driving gears 4 are close to two ends of the centering rod 11, one driving gear 4 is meshed with one rack 32, and the other driving gear 4 is meshed with the other rack 32.
Referring to fig. 1 and 2, a plurality of driven gears 41 are disposed between the driving gears 4, the number of the driven gears 41 is a double number, in this embodiment, the number of the driven gears 41 is four, four driven gears 41 are sequentially engaged with each other, the driven gears 41 are disposed along a horizontal direction, one driving gear 4 is engaged with the driven gear 41 at one end, and the other driving gear 4 is engaged with the driven gear 41 at the other end. When the fixed end rod 1 and the centering rod 11 are driven to slide mutually, the dovetail block 3 slides in the dovetail groove 31, one of the racks 32 abuts against one of the driving gears 4 to drive one of the driving gears 4 to rotate, the driving gear 4 drives a plurality of driven gears 41 to rotate simultaneously, the driven gear 41 drives the other driving gear 4 to rotate, the rotating directions of the two driving gears 4 are always opposite due to the number of the driven gears 41 being two, and further, when one fixed end rod 1 slides on the centering rod 11, the other fixed end rod 1 is driven to symmetrically slide on the centering rod 11, after the positions of the fixed end rod 1 and the centering piece on the tubular pile 10 are adjusted, the fixed end rod 1 is already symmetrically arranged on the centering rod 11, compared with related files, whether the fixed end rod 1 is symmetrically arranged on the centering rod 11 or not does not need to be judged through a scale line 9 on the fixed end rod 1, the laser generator 12 in the center of the lower surface of the centering rod 11 is used for completing centering of the precast tubular pile 10, so that the operation steps and difficulty are reduced.
Referring to fig. 2 and 3, a locking groove 5 is formed in the top wall of the centering cavity 111, the locking groove 5 is located above one of the driving gears 4, a locking rod 51 is slidably arranged in the locking groove 5, the locking rod 51 and the locking groove 5 are matched with each other, and a locking key 511 is integrally arranged at one end of the locking rod 51 facing the direction of the centering cavity 111. Welded fastening is provided with the butt spring 52 that offsets with locking pole 51 end wall on the diapire of locking groove 5, and locking pole 51 is provided with stay cord 53 towards the fixed one end of butt spring 52, and stay cord 53 runs through 11 fixedly connected with pull rings 6 of centering rod, and welded fastening is provided with the drag hook 61 that supplies pull ring 6 to articulate on the roof of centering rod 11. When storage device or using device, break away from pull ring 6 and drag hook 61, butt spring 52 orders about locking pole 51 to the driving gear 4 direction and slides, and locking pole 51 orders about locking key 511 and offsets with driving gear 4, and the driving gear 4 atress is unable to rotate this moment, fixes between fixed end pole 1 and centering rod 11, improves device stability. When the device is installed, the pull ring 6 is pulled, the pull ring 6 and the drag hook 61 are hooked, the locking key 511 and the driving gear 4 are separated from each other, and the fixed end rod 1 and the centering rod 11 can slide relative to each other.
In order to fix the device, referring to fig. 1 and 2, a set of tension springs 13 are welded between the two fixed end rods 1, the tension springs 13 drive the two fixed end rods 1 to slide towards each other, and the laser generator 12 is located between the two tension springs 13. One of the connecting pieces 2 is a connecting plate 21, the other connecting piece 2 is a connecting frame 22, the connecting plate 21 is rotatably arranged on the bottom wall of one of the fixed end rods 1 through a pin shaft, and a first connecting bolt 211 penetrates through the connecting plate 21. The connecting frame 22 is rotatably arranged on the bottom wall of the other fixed end rod 1 through a pin shaft, a second connecting bolt 223 penetrates through the connecting frame 22, a plurality of friction reducing wheels 222 are rotatably arranged on the connecting frame 22 through a rotating shaft, and the outer diameter of each friction reducing wheel 222 is the same as the thickness of the connecting plate 21. When the installation device, stimulate fixed end pole 1 earlier, make two fixed end poles 1 keep away from each other, with connecting plate 21 and antifriction wheel 222 butt on the outer wall of tubular pile 10, fix between connecting plate 21 and the tubular pile 10 outer wall through first connecting bolt 211 earlier, then can rotate fixed end pole 1, antifriction wheel 222 has reduced the frictional force that connecting piece 2 received this moment, so that be used for rotating fixed end pole 1, adjust fixed end pole 1 and centering rod 11 to being in tubular pile 10 internal diameter length direction, fix between link 22 and the tubular pile 10 outer wall through second connecting bolt 223 at last.
For conveniently positioning the device, referring to fig. 1, a fixing rod 7 is fixedly welded on the bottom wall of one of the fixing end rods 1, the fixing rod 7 is located at the center of the bottom wall of the fixing end rod 1, and the fixing rod 7 is arranged along the vertical direction. The outer side wall of the fixed rod 7 is symmetrically welded and fixed with an auxiliary rod 71, and the length direction of the auxiliary rod 71 is perpendicular to the length direction of the fixed end rod 1. One end of the auxiliary rod 71 far away from the fixed rod 7 is sleeved with an expansion rod 72, and the length direction of the expansion rod 72 is arranged along the length direction of the auxiliary rod 71. An expansion groove 721 for the auxiliary rod 71 to be inserted and slide is formed in the end wall of the expansion rod 72, the auxiliary rod 71 and the expansion groove 721 are matched with each other, an expansion spring 73 abutting against the end wall of the auxiliary rod 71 is arranged in the expansion groove 721, and a guide wheel 74 is rotatably arranged at one end of the expansion rod 72 far away from the auxiliary rod 71. When the positions of the fixed end rod 1 and the centering rod 11 on the tubular pile 10 are adjusted, the auxiliary rod 71 and the telescopic rod 72 are extended into the tubular pile 10, and at this time, the telescopic spring 73 abuts against the auxiliary rod 71, so that the telescopic rod 72 is driven to slide in the direction away from the auxiliary rod 71, and the guide wheel 74 is driven to abut against the inner wall of the tubular pile 10. Because auxiliary rod 71, telescopic link 72 and expanding spring 73 are symmetrically arranged on fixed rod 7, two expanding springs 73 keep the balance of force at this moment, and then drive fixed tubular pile 10 to rotate, and leading wheel 74 rotates simultaneously, reduce the wearing and tearing of telescopic link 72 end wall, automatic control telescopic link 72 slides and keeps in fixed rod 7 bilateral symmetry, and then can judge fast that fixed end pole 1 and centering rod 11 have adjusted to be in on tubular pile 10 internal diameter length direction, on the one hand the operation is swift, on the other hand can carry out quick location installation to the tubular pile 10 of different diameters size, the suitability of centering device has been improved.
In order to make the telescopic rod 72 extend into the tubular pile 10 conveniently, referring to fig. 1, the outer side wall of the auxiliary rod 71 is fixedly welded with the limiting rod 8, the inner side wall of the telescopic groove 721 is provided with a limiting groove 81 in a penetrating manner, the length direction of the limiting groove 81 is arranged along the length direction of the telescopic groove 721, and the limiting rod 8 is slidably arranged in the limiting groove 81. When the centering device is installed, the limiting rod 8 is shifted to slide in the limiting groove 81 so as to drive the telescopic rod 72 to slide towards the auxiliary rod 71, and therefore the telescopic rod 72 can conveniently extend into the tubular pile 10. When the device is not needed, the limit rod 8 will abut against the inner wall of the limit groove 81 by the elastic force of the extension spring 73, so as to prevent the auxiliary rod 71 from separating from the extension groove 721.
In order to improve the accuracy of the device, referring to fig. 1, the outer side wall of the auxiliary rod 71 is provided with scale marks 9, the scale marks 9 are arranged along the length direction of the auxiliary rod 71, the auxiliary rod 71 and the telescopic rod 72 can help a user to center, and after centering, the user further confirms the positions of the fixed end rod 1 and the centering rod 11 through the scale marks 9.
The implementation principle of the centering device for the precast tubular pile in the embodiment of the application is as follows: when the centering device is installed, a user keeps away two fixed end rods 1 from each other, so that the tensioning spring 13 deforms and stretches, the limiting rod 8 is pulled simultaneously, the telescopic rod 72 slides towards the auxiliary rod 71, and the telescopic rod 72 and the auxiliary rod 71 extend into the inner wall of the tubular pile 10. Loosen gag lever post 8 and tension spring 13, tension spring 13 orders about two fixed end pole 1 and is close to each other to connecting plate 21 and antifriction wheel 222 can offset with the outer wall of tubular pile 10, and the user is fixed connecting plate 21 and tubular pile 10 outer wall through first connecting bolt 211 earlier.
After the fixed end rod 1 and the centering rod 11 are placed on the tubular pile 10, the telescopic springs 73 can restore to deform, the telescopic springs 73 abut against the telescopic rods 72, guide wheels 74 on the end walls of the telescopic rods 72 abut against the inner wall of the tubular pile 10, the two telescopic springs 73 enable the fixed end rod 1 and the connecting plate 21 to rotate mutually in order to ensure the balance of force, and when the fixed end rod 1 and the connecting plate 21 rotate mutually, the fixed end rod 1 and the centering rod 11 slide mutually. When sliding, the rack 32 abuts against the driving gear 4, the driving gear 4 drives the plurality of driven gears 41 to abut against each other, and then the two fixed end rods 1 are driven to slide simultaneously, and the fixed end rods 1 are symmetrical.
When the two telescopic springs 73 keep balance of force, whether the fixed end rod 1 and the centering rod 11 are located in the length direction of the inner diameter of the tubular pile 10 is further judged through the scale marks 9, after confirmation, a user fixes the connecting frame 22 and the outer wall of the tubular pile 10 by using the second connecting bolt 223, and separates the pull ring 6 from the drag hook 61, so that the locking key 511 locks the driving gear 4. Thereby realize centering device's installation, can utilize laser generator 12 of centering rod 11 lower surface center department to accomplish the centering setting of precast tubular pile 10 this moment, whole process operation is convenient and fast, has reduced operating procedure, is favorable to improving the installation effectiveness.
In a second aspect, the application provides a method for installing a centering device for a precast tubular pile, which adopts the following technical scheme: the method comprises the following steps:
step S1, pulling the fixed end rods 1 to enable the two fixed end rods 1 to be far away from each other, placing the fixed end rods 1 on the tubular pile 10, simultaneously shifting the limiting rod 8, and sliding the telescopic rod 72 towards the auxiliary rod 71, so that the auxiliary rod 71 and the telescopic rod 72 can extend into the tubular pile 10;
step S2, loosening the fixed end rod 1 and the limiting rod 8, driving the connecting plate 21 and the friction reducing wheel 222 to be abutted against the outer wall of the tubular pile 10 by the tension spring 13, and driving the guide wheel 74 to be abutted against the inner wall of the tubular pile 10 by the telescopic spring 73;
step S3, fixing the connection plate 21 and the tubular pile 10 to each other by the first connection bolt 211;
step S4, the expansion spring 73 drives the two expansion rods 72 to be symmetrically arranged at the bottom of the fixed end rod 1, and the position of the centering rod 11 is confirmed through the scale marks 9;
step S5, fixing the connecting frame 22 and the outer wall of the tubular pile 10 by using the second connecting bolt 223;
in step S6, the pull ring 6 and the pull hook 61 are separated from each other, and the locking key 511 locks one of the driving gears 4 in the middle chamber 111 under the urging force of the abutment spring 52.
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 (10)
1. The utility model provides a centering device for precast tubular pile, includes fixed end pole (1) and centering rod (11), fixed end pole (1) is provided with two and the symmetry sets up on centering rod (11), the center department on centering rod (11) surface is provided with laser generator (12), its characterized in that: a connecting piece (2) is arranged at one end, far away from the centering rod (11), of the fixed end rod (1), and the connecting piece (2) is used for connecting the fixed end rod (1) with the tubular pile (10); one side, facing the direction of the centering rod (11), of the fixed end rod (1) is fixedly provided with a dovetail block (3), the bottom wall of the centering rod (11) is provided with a dovetail groove (31) for the dovetail block (3) to slide and abut against, and a centering cavity (111) communicated with the dovetail groove (31) is formed in the centering rod (11); one end of fixed end pole (1) direction is kept away from in dovetail block (3) and is located and is provided with rack (32) to lumen (111) internal fixation, it is provided with a set of driving gear (4) to lumen (111) internal symmetry rotation, one of them driving gear (4) and a rack (32) intermeshing, another driving gear (4) and another rack (32) intermeshing, two the symmetry is provided with a plurality of driven gear (41) between driving gear (4), the quantity of driven gear (41) is the dual, driven gear (41) intermeshing in proper order, one of them driving gear (4) and driven gear (41) intermeshing of one end, another driven gear (4) and driven gear (41) intermeshing of the other end.
2. The centering device for the precast tubular pile according to claim 1, characterized in that: the centering device is characterized in that a locking groove (5) is formed in the inner wall of the middle cavity (111), a locking rod (51) is arranged in the locking groove (5) in a sliding mode, a locking key (511) is fixedly arranged at one end of the locking rod (51) in the direction of the middle cavity (111), the locking key (511) is used for locking the driving gear (4), a butt spring (52) which is abutted against the end wall of the locking rod (51) is fixedly arranged on the bottom wall of the locking groove (5), a pull rope (53) is arranged at one end of the locking rod (51) in the direction of the butt spring (52), and the pull rope (53) penetrates through the centering rod (11).
3. The centering device for the precast tubular pile according to claim 2, characterized in that: the pull rope (53) is far away from one end of the locking rod (51) and is fixedly provided with a pull ring (6), and the outer wall of the centering rod (11) is fixedly provided with a drag hook (61) for hanging the pull ring (6).
4. The centering device for the precast tubular pile according to claim 1, characterized in that: one of them connecting piece (2) are connecting plate (21), another connecting piece (2) are link (22), connecting plate (21) rotate to set up on one of them fixed end pole (1), be provided with first connecting bolt (211) on connecting plate (21), link (22) rotate to set up on another fixed end pole (1), be provided with second connecting bolt (223) on link (22), it is provided with a plurality of antifriction wheel (222) to rotate on link (22), the external diameter of antifriction wheel (222) is the same with the thickness of connecting plate (21).
5. The centering device for the precast tubular pile according to claim 4, characterized in that: a group of tension springs (13) are arranged between the two fixed end rods (1), and the laser generator (12) is located between the two tension springs (13).
6. The centering device for the precast tubular pile according to claim 5, characterized in that: wherein one fixed dead lever (7) that is provided with on the diapire of fixed end pole (1), dead lever (7) are located the center department of fixed end pole (1) diapire, the fixed auxiliary rod (71) that is provided with of symmetry on the lateral wall of dead lever (7), the length direction of auxiliary rod (71) and the length direction mutually perpendicular of fixed end pole (1), the pot head that dead lever (7) direction was kept away from in auxiliary rod (71) is equipped with telescopic link (72), set up on the end wall of telescopic link (72) and supply auxiliary rod (71) to insert flexible groove (721) of establishing and sliding, be provided with expanding spring (73) that offset with auxiliary rod (71) end wall in flexible groove (721).
7. The centering device for the precast tubular pile according to claim 6, characterized in that: one end of the telescopic rod (72) far away from the auxiliary rod (71) is rotatably provided with a guide wheel (74).
8. The centering device for the precast tubular pile according to claim 6, characterized in that: the utility model discloses a telescopic groove, including the auxiliary rod (71), the fixed gag lever post (8) that is provided with on the lateral wall of auxiliary rod (71), run through on the inside wall of flexible groove (721) and be provided with and supply gag lever post (8) to slide and spacing groove (81) that offset.
9. The centering device for the precast tubular pile according to claim 8, characterized in that: the outer side wall of the auxiliary rod (71) is provided with scale marks (9).
10. The mounting method of the centering device for the precast tubular pile is characterized by comprising the following steps of: the method comprises the following steps:
pulling the fixed end rods (1) to enable the two fixed end rods (1) to be away from each other, placing the fixed end rods (1) on the tubular pile (10), simultaneously shifting the limiting rod (8), and sliding the telescopic rod (72) towards the auxiliary rod (71), so that the auxiliary rod (71) and the telescopic rod (72) can extend into the tubular pile (10);
the fixed end rod (1) and the limiting rod (8) are loosened, the tension spring (13) drives the connecting plate (21) and the friction reducing wheel (222) to abut against the outer wall of the tubular pile (10), and the extension spring (73) drives the guide wheel (74) to abut against the inner wall of the tubular pile (10);
the connecting plate (21) and the tubular pile (10) are fixed with each other through a first connecting bolt (211);
the telescopic springs (73) drive the two telescopic rods (72) to be symmetrically arranged at the bottoms of the fixed end rods (1), and the positions of the centering rods (11) are confirmed through the scale marks (9);
fixing the connecting frame (22) and the outer wall of the tubular pile (10) by using a second connecting bolt (223);
the pull ring (6) and the drag hook (61) are mutually separated, and the locking key (511) locks one driving gear (4) in the middle cavity (111) under the action force of the abutting spring (52).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210356034.9A CN114657972A (en) | 2022-04-06 | 2022-04-06 | Centering device for precast tubular pile and mounting method thereof |
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| CN202210356034.9A CN114657972A (en) | 2022-04-06 | 2022-04-06 | Centering device for precast tubular pile and mounting method thereof |
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| CN114657972A true CN114657972A (en) | 2022-06-24 |
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| CN202210356034.9A Pending CN114657972A (en) | 2022-04-06 | 2022-04-06 | Centering device for precast tubular pile and mounting method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116005668A (en) * | 2023-01-04 | 2023-04-25 | 江苏力迈建设工程有限公司 | Tubular pile positioning device for PCMW (prestressed concrete cylinder pipe) construction method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06272254A (en) * | 1993-03-22 | 1994-09-27 | Chiyouwa Kogyo Kk | Drive guiding device for driven pile such as steel sheet pile |
| US20060254068A1 (en) * | 2003-03-14 | 2006-11-16 | Cementation Foundations Skanska Limited | Method and apparatus for monitoring element alignment |
| CN201940819U (en) * | 2010-12-03 | 2011-08-24 | 佛山市普拉迪数控科技有限公司 | Automatic centering structure for processing workpiece |
| CN103837058A (en) * | 2014-01-03 | 2014-06-04 | 王立冬 | Center line caliper gauge |
| CN107449338A (en) * | 2017-09-18 | 2017-12-08 | 中车成都机车车辆有限公司 | Integral type sleeper beam, draw beam center measuring device and measuring method |
| CN108826015A (en) * | 2018-07-28 | 2018-11-16 | 江苏进源压力容器有限公司 | A kind of multifunction storage gas tank |
| CN111593730A (en) * | 2020-05-07 | 2020-08-28 | 广州工程总承包集团有限公司 | Centering device for precast tubular pile and mounting method thereof |
| CN211446923U (en) * | 2019-10-28 | 2020-09-08 | 中建八局第一建设有限公司 | Device for quickly positioning center of protective cylinder |
| CN212249189U (en) * | 2020-04-24 | 2020-12-29 | 四川省商业建设有限责任公司 | Support arrangement for basement template |
| CN214883701U (en) * | 2021-04-22 | 2021-11-26 | 江苏固洲基础工程有限公司 | Positioning frame for PCMW construction method |
-
2022
- 2022-04-06 CN CN202210356034.9A patent/CN114657972A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06272254A (en) * | 1993-03-22 | 1994-09-27 | Chiyouwa Kogyo Kk | Drive guiding device for driven pile such as steel sheet pile |
| US20060254068A1 (en) * | 2003-03-14 | 2006-11-16 | Cementation Foundations Skanska Limited | Method and apparatus for monitoring element alignment |
| CN201940819U (en) * | 2010-12-03 | 2011-08-24 | 佛山市普拉迪数控科技有限公司 | Automatic centering structure for processing workpiece |
| CN103837058A (en) * | 2014-01-03 | 2014-06-04 | 王立冬 | Center line caliper gauge |
| CN107449338A (en) * | 2017-09-18 | 2017-12-08 | 中车成都机车车辆有限公司 | Integral type sleeper beam, draw beam center measuring device and measuring method |
| CN108826015A (en) * | 2018-07-28 | 2018-11-16 | 江苏进源压力容器有限公司 | A kind of multifunction storage gas tank |
| CN211446923U (en) * | 2019-10-28 | 2020-09-08 | 中建八局第一建设有限公司 | Device for quickly positioning center of protective cylinder |
| CN212249189U (en) * | 2020-04-24 | 2020-12-29 | 四川省商业建设有限责任公司 | Support arrangement for basement template |
| CN111593730A (en) * | 2020-05-07 | 2020-08-28 | 广州工程总承包集团有限公司 | Centering device for precast tubular pile and mounting method thereof |
| CN214883701U (en) * | 2021-04-22 | 2021-11-26 | 江苏固洲基础工程有限公司 | Positioning frame for PCMW construction method |
Non-Patent Citations (1)
| Title |
|---|
| 任敬心等: "新思维机械原理", 机械工业出版社, pages: 149 - 150 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116005668A (en) * | 2023-01-04 | 2023-04-25 | 江苏力迈建设工程有限公司 | Tubular pile positioning device for PCMW (prestressed concrete cylinder pipe) construction method |
| CN116005668B (en) * | 2023-01-04 | 2023-10-03 | 江苏力迈建设工程有限公司 | Tubular pile positioning device for PCMW (prestressed concrete cylinder pipe) construction method |
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