CN108797579B - Connecting device and connecting method for precast tubular piles - Google Patents
Connecting device and connecting method for precast tubular piles Download PDFInfo
- Publication number
- CN108797579B CN108797579B CN201810537933.2A CN201810537933A CN108797579B CN 108797579 B CN108797579 B CN 108797579B CN 201810537933 A CN201810537933 A CN 201810537933A CN 108797579 B CN108797579 B CN 108797579B
- Authority
- CN
- China
- Prior art keywords
- tubular pile
- sleeve
- precast tubular
- section
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 210000005069 ears Anatomy 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
- E02D5/523—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments
- E02D5/526—Connection means between pile segments
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
Abstract
The invention discloses a connecting device and a connecting method of a precast tubular pile, wherein the device comprises a bolt, an upper sleeve and a lower sleeve; each sleeve penetrates through the T-shaped through hole of the end plate, the radial convex ring of each sleeve is clamped with the step surface of the T-shaped through hole, and the internal thread section of each sleeve is in threaded connection with the outer end of the corresponding longitudinal steel bar; each bolt is provided with an upper horizontal through hole and a lower horizontal through hole in a penetrating way, a pressure spring is arranged in each horizontal through hole, and two clamping blocks are fixed at two ends of each pressure spring; two ends of the bolt are respectively inserted into the upper sleeve and the lower sleeve, and the two clamping blocks are outwards expanded and clamped into the annular groove section; the key of the method is as follows: and fixing the upper sleeve and the lower sleeve with the upper prefabricated tubular pile and the lower prefabricated tubular pile respectively, and then clamping the upper sleeve and the lower sleeve by using a bolt. The device and the method have the advantages of convenient and quick connection process and good connection effect.
Description
Technical Field
The invention relates to the technical field of prefabricated pipe pile connection construction in civil engineering, in particular to a connecting device and a connecting method of a prefabricated pipe pile.
Background
In the field of pile foundation construction of civil engineering, the connection of the precast tubular piles is an indispensable process. The traditional connection mode is to use the end plates at the two ends of the precast tubular pile to weld and fix the end plates of different tubular piles. However, the traditional welding construction wastes time and labor, the labor intensity is high, the labor cost is high, the welding process is greatly influenced by human factors, the conditions of poor welding quality, discontinuous welding seams, incomplete welding slag and the like easily occur, and the welding quality cannot be ensured.
Disclosure of Invention
The invention aims to solve the technical problem of providing a connecting device for a precast tubular pile, which is convenient and quick in connecting process and good in connecting effect.
The technical scheme of the invention is that a connecting device of precast tubular piles is provided, a plurality of groups of connecting pieces are arranged between every two adjacent precast tubular piles, and each group of connecting pieces comprises a bolt, an upper sleeve and a lower sleeve; the inserting end of the outer wall of each sleeve is provided with a radial convex ring; the inner cavity of each sleeve pipe is sequentially provided with a transition section, an annular groove section and an internal thread section from the inserting end to the anchoring end; each end plate of the precast tubular pile is provided with T-shaped through holes corresponding to each group of connecting pieces one by one, and the outer end of a longitudinal steel bar corresponding to each T-shaped through hole on a steel bar cage of the precast tubular pile is provided with an external thread;
each sleeve penetrates through the corresponding T-shaped through hole in the end plate, the radial convex ring of the sleeve is clamped with the step surface of the T-shaped through hole, the part of the sleeve extending into the T-shaped through hole is anchored in the prefabricated tubular pile concrete, and the internal thread section of the sleeve is in threaded connection with the outer end of the corresponding longitudinal steel bar;
each bolt is provided with an upper horizontal through hole and a lower horizontal through hole in a penetrating way, a pressure spring is arranged in each horizontal through hole, and two clamping blocks are fixed at two ends of each pressure spring; two ends of the bolt are respectively inserted into the upper sleeve and the lower sleeve, the two clamping blocks are retracted into the horizontal through hole when the horizontal through hole is positioned in the transition section, and the two clamping blocks are expanded and clamped into the annular groove section when the horizontal through hole is positioned in the annular groove section.
The invention aims to solve another technical problem of providing a connecting method of a connecting device of a precast tubular pile, which is convenient and quick in connecting process and good in connecting effect.
The invention provides a connecting method of a connecting device of a precast tubular pile, which comprises the following steps that when the precast tubular pile is manufactured, a plurality of T-shaped through holes are penetrated through a tubular pile end plate, external threads are tapped at two ends of a longitudinal steel bar of a steel reinforcement cage corresponding to each T-shaped through hole, a sleeve is sleeved in each T-shaped through hole of the end plate, a radial convex ring of the sleeve is clamped with a step surface of the T-shaped through hole, then an internal thread section of the sleeve is in threaded connection with the outer end of the corresponding longitudinal steel bar, and then concrete of the precast tubular pile is poured;
when in piling operation, a first section of precast tubular pile is sunk into soil, then the lower end of each bolt is inserted into a lower sleeve corresponding to the upper end plate of the first section of precast tubular pile, and two clamping blocks in a horizontal through hole below each bolt are expanded and clamped into an annular groove section of the lower sleeve;
and hoisting the second section precast tubular pile by using a crane, aligning each upper sleeve of the lower end plate of the second section precast tubular pile with the corresponding bolt, and finally lowering the second section precast tubular pile, so that the upper end of each bolt is inserted into the upper sleeve corresponding to the lower end plate of the second section precast tubular pile, and two fixture blocks in the upper horizontal through hole of each bolt are externally expanded and clamped into the annular groove section of the upper sleeve.
Compared with the prior art, the connecting device and the connecting method of the precast tubular pile have the following remarkable advantages and beneficial effects.
Firstly, each sleeve is characterized in that a radial convex ring at the outer end is clamped with a T-shaped through hole of an end plate, the part extending into the end plate is anchored with the prefabricated tubular pile concrete, and an internal thread section at the innermost end is in threaded connection with a longitudinal steel bar of a steel bar cage of the prefabricated tubular pile, so that the sleeve is clamped on the end plate and keeps flat and smooth with the end surface of the end plate, the whole tubular pile is stable in stress and strong in bearing capacity, and the sleeve, the concrete, the steel bar cage and the end plate are integrally fixed, so that the sleeve is firm in fixation and good in integrity, and the pull-out resistance of the tubular; secondly, the connection process is convenient and quick, only the two ends of the bolt are required to be extruded into the inner cavity of the sleeve, so that the upper fixture block and the lower fixture block of the bolt are expanded and clamped tightly, the construction speed is high, the labor intensity is low, and the labor cost is saved; moreover, the existence of the bolt not only enables the joint to have stronger transverse shearing resistance, but also can be firmly clamped with the sleeve, and the sleeve is firmly connected with the precast tubular pile, so that the whole pile body has stronger pulling resistance, namely, the technical scheme has good connecting effect on the precast tubular pile.
This connecting device of precast tubular pile is preferred, it still includes the support, be equipped with the horizontal hydro-cylinder of two left and right symmetries on the support, be fixed with a semicircle staple bolt on every horizontal hydro-cylinder piston rod, the internal diameter after two closed staple bolts of the left and right sides equals precast tubular pile's external diameter, be fixed with a semicircle uide bushing on every semicircle staple bolt, the internal diameter after two closed semicircle uide bushings of the left and right sides is greater than precast tubular pile's external diameter, the lower extreme of every precast tubular pile is equipped with spacing lug, the arc surface is equipped with the guide way in the semicircle uide bushing, every guide way comprises big-end-up's toper groove and straight flute, the osculum and the straight flute intercommunication.
The connection method based on the preferable structure comprises the following steps: after the lower end of each bolt is inserted into a lower sleeve of a first section of prefabricated tubular pile, a left transverse oil cylinder and a right transverse oil cylinder are driven to enable the two semicircular hoops to close and hoop the first section of prefabricated tubular pile, then the two semicircular guide sleeves are driven to close into a complete tube shape, then a crane is used for lowering the second section of prefabricated tubular pile, the second section of prefabricated tubular pile is rotated in a small amplitude, a limiting lug at the lower end of the second section of prefabricated tubular pile falls into a large opening of a conical groove of an arc surface in each guide sleeve, the prefabricated tubular pile continues to be lowered, the guide grooves can play a role in guiding the limiting lugs, and then the second section of prefabricated tubular pile continues to rotate in a small amplitude, so that the upper sleeve of the second section.
The advantages of the preferred solution are as follows. Firstly, when the pipe piles are in butt joint, the two oil cylinders drive the anchor ear and the guide sleeve to be closed, so that accurate guide is provided for the lowered second section of the precast pipe pile, and all upper sleeves on the second section of the precast pipe pile are accurately aligned with all bolts; secondly, after the butt joint is finished, the anchor ear and the guide sleeve are driven by the oil cylinder to automatically retract, so that a space is reserved, the interference and the touch with a pile driver are avoided, and the subsequent pile driving process is ensured to be smoothly carried out; moreover, the guide device has high automation degree, effectively reduces the labor intensity and saves the manpower.
This precast tubular pile's connecting device's further preferred still is equipped with a revolving cylinder on the support, and the axis of revolving part of revolving cylinder is vertical, is equipped with the translation cylinder on the revolving part, is fixed with a rubber rod on the piston rod of translation cylinder.
The connection method based on the preferable structure comprises the following steps: the second cuts precast tubular pile and transfers the in-process, drives rotary cylinder for the laminating of precast tubular pile is cut to rubber stick and second, drives the translation cylinder again, makes the rubber stick at the translation in-process, stirs the second of laminating and cuts precast tubular pile, realizes that the second cuts the small size autogiration of precast tubular pile.
The advantages of the above further preferred solution are: the device has realized that the second cuts precast tubular pile and has transferred the in-process, autogiration's problem, and above-mentioned autogiration device combines together with guider, autogiration and synchronous direction are aimed at for the butt joint process is more smooth convenient, and has replaced manual operation, realizes the full automatization of butt joint, further reduces intensity of labour and human cost. And after the butt joint is completed, the rubber plate can transversely swing to a large extent under the action of the rotary cylinder, so that a space is opened, interference and touch with piling equipment are avoided, and the subsequent piling operation is facilitated.
This connecting device of precast tubular pile is further preferred again, and it still includes the injecting glue pipeline that is used for spraying waterproof sealed glue, and the spout of injecting glue pipeline is located the interior arc surface of semicircle uide bushing and spout up.
The connection method based on the preferable structure comprises the following steps: the second cuts the in-process that the precast tubular pile fell into closed uide bushing and rotatory whereabouts under the guide way effect, and the spout spouts the glue to the bottom that the second cut precast tubular pile.
The above still further preferred solution has the advantages that: according to the scheme, waterproof sealant is sprayed on the bottom end plate of the second section of the prefabricated tubular pile before butt joint, so that water can be effectively prevented from entering the pile body along a gap between two tubular pile end plates and a gap between the guide pipe and the plug pin in the later period, and the reinforcement cage is prevented from being corroded by water; moreover, the opportunity of spouting the glue sets up just right with the position of spouting gluey mouth, and is not early not late on the opportunity, spouts the end plate of tubular pile about the back of gluing and just in time compresses tightly the butt joint, spouts gluey mouth setting in the guide sleeve arcwall face moreover, just in time spouts gluey to the terminal surface of last section tubular pile, and is with strong points, spouts gluey effectual, avoids extravagant, and in addition, will spout gluey process and the integration of direction to the process of inserting together, has made things convenient for the process.
Drawings
Fig. 1 is a partial front view structure schematic diagram of a connecting device of a precast tubular pile according to the present invention.
Fig. 2 is a front view schematically showing the structure of an auxiliary inserting device of the connecting device for precast tubular piles according to the present invention.
Fig. 3 is a schematic top view showing the structure of an auxiliary inserting device of the connecting device for precast tubular piles according to the present invention.
Fig. 4 is a partially enlarged sectional structural view illustrating a connecting member of a connecting device for precast tubular piles according to the present invention.
Fig. 5 is a schematic structural view of a semicircular guide sleeve and a semicircular hoop of an auxiliary insertion device of the connecting device for precast tubular piles according to the present invention.
Fig. 6 is a schematic view of the unfolded structure of the inner arc surface of the semicircular guide sleeve of the auxiliary inserting device of the connecting device for precast tubular piles according to the present invention.
Shown in the figure are 1, a precast tubular pile, 2, a bolt, 3, an upper sleeve, 4, a lower sleeve, 5, a radial convex ring, 6, a transition section, 7, an annular groove section, 8, an internal thread section, 9, a nozzle, 10, an end plate, 11, a T-shaped through hole, 12, a longitudinal steel bar, 13, a horizontal through hole, 14, a pressure spring, 15, a clamping block, 16, a transverse oil cylinder, 17, a semicircular hoop, 18, a semicircular guide sleeve, 19, a limiting lug, 20, a conical groove, 21, a straight groove, 22, a rotary cylinder, 23, a translation cylinder, 24 and a rubber rod.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the connecting device for the precast tubular pile of the present invention includes a plurality of sets of connecting members disposed between every two adjacent precast tubular piles 1, each set of connecting members including a pin 2, an upper sleeve 3 and a lower sleeve 4.
The inserting end of the outer wall of each sleeve, namely the upper sleeve 3 and the lower sleeve 4, is provided with a radial convex ring 5; the inner cavity of each sleeve pipe is sequentially provided with a transition section 6, an annular groove section 7 and an internal thread section 8 from the inserting end to the anchoring end. For each sleeve, one end is anchored in the concrete of the precast tubular pile 1 and is called an anchoring end, and the other end is used for being inserted into the plug pin 2 and is called an inserting end.
Each end plate 10 of the precast tubular pile 1 is provided with T-shaped through holes 11 corresponding to each connecting piece, a reinforcement cage of the precast tubular pile 1 comprises a plurality of longitudinal reinforcements 12, and the outer ends of the longitudinal reinforcements 12 corresponding to each T-shaped through hole 11 are provided with external threads.
Each sleeve penetrates through a corresponding T-shaped through hole 11 in the end plate 10, the radial convex ring 5 of each sleeve is clamped with the step surface of the corresponding T-shaped through hole 11, the part of each sleeve extending into the corresponding T-shaped through hole 11 is anchored in the concrete of the precast tubular pile 1, and the internal thread section 8 of each sleeve is in threaded connection with the outer end of the corresponding longitudinal steel bar 12.
Each bolt 2 is provided with an upper horizontal through hole 13 and a lower horizontal through hole 13 in a penetrating way, a pressure spring 14 is arranged in each horizontal through hole 13, and two clamping blocks 15 are fixed at two ends of the pressure spring 14; the fixture block 15 is provided with an inclined plane which is convenient to extrude into the transition section 6, and the opening of the transition section 6 is provided with a chamfer which is convenient to extrude the fixture block 15.
Two ends of the bolt 2 are respectively inserted into the upper sleeve and the lower sleeve, and when the horizontal through hole 13 is positioned in the transition section 6, the two clamping blocks 15 are retracted into the horizontal through hole 13, and when the horizontal through hole 13 is positioned in the annular groove section 7, the two clamping blocks 15 are expanded and clamped into the annular groove section 7.
The connecting device of the precast tubular pile further comprises an auxiliary inserting device. The auxiliary splicing device comprises a support, two left and right symmetrical transverse oil cylinders 16 are arranged on the support, a semicircular hoop 17 is fixed on a piston rod of each transverse oil cylinder 16, the inner diameter of the closed left and right hoops is equal to the outer diameter of the precast tubular pile 1, a semicircular guide sleeve 18 is fixed on each semicircular hoop 17, and the inner diameter of the closed left and right semicircular guide sleeves 18 is slightly larger than the outer diameter of the precast tubular pile 1, and if the inner diameter is 1.05 times of the outer diameter of the precast tubular pile 1. The lower end of each precast tubular pile 1 is provided with a limiting bump 19, the inner arc surface of the semicircular guide sleeve 18 is provided with a guide groove, each guide groove is composed of a conical groove 20 with a large upper part and a small lower part and a straight groove 21, and a small opening of the conical groove 20 is communicated with the straight groove 21.
Still be equipped with a revolving cylinder 22 on this support, the axis of revolving part of revolving cylinder 22 is vertical, is equipped with translation cylinder 23 on the revolving part, is fixed with a rubber rod 24 on translation cylinder 23's the piston rod.
The auxiliary plugging device further comprises a glue injection pipeline for injecting waterproof sealant, and the glue injection pipeline comprises a pump, a pipeline and a nozzle 9. The spout 9 of the glue injection pipeline is positioned on the inner arc surface of the semicircular guide sleeve 18, and the spout 9 faces upwards.
Referring to fig. 1, 2, 3, 4, 5 and 6, the connection method using the connection device for the precast tubular pile of the present invention includes the following steps.
And (5) manufacturing a prefabricated tubular pile 1. The pipe pile end plate 10 penetrates through the T-shaped through holes 11, external threads are tapped at two ends of the longitudinal steel bar 12 of the steel reinforcement cage corresponding to each T-shaped through hole 11, an upper sleeve 3 or a lower sleeve 4 is sleeved in each T-shaped through hole 11 of the end plate 10, the radial convex ring 5 of each sleeve is clamped with the step surface of the corresponding T-shaped through hole 11, the internal thread section 8 of each sleeve is in threaded connection with the outer end of the corresponding longitudinal steel bar 12, and then concrete of the prefabricated pipe pile 1 is poured.
During piling operation, a first section of precast tubular pile is sunk into a soil body, then the lower end of each bolt 2 is inserted into a lower sleeve 4 corresponding to an upper end plate 10 of the first section of precast tubular pile, and two clamping blocks 15 in a horizontal through hole 13 below each bolt 2 are outwards expanded and clamped into an annular groove section 7 of the lower sleeve 4.
And lifting the second section of the precast tubular pile by using a crane, and aligning each upper sleeve 3 of the lower end plate 10 of the second section of the precast tubular pile with the corresponding pin 2.
The alignment means that after the lower end of each bolt 2 is inserted into the lower sleeve 4 of the first section of the prefabricated pipe pile, the left and right transverse oil cylinders 16 are driven to enable the two semicircular anchor ears 17 to close and hoop the first section of the prefabricated pipe pile, and then the two semicircular guide sleeves 18 are driven to close into a complete cylinder shape; and then lowering the second section precast tubular pile by using a crane, rotating the second section precast tubular pile by a small amplitude, enabling a limit bump 19 at the lower end of the second section precast tubular pile to fall into a large opening of a conical groove 20 of the inner arc surface of the guide sleeve, continuing to lower the precast tubular pile 1, enabling the guide groove to play a role in guiding the limit bump 19, further enabling the second section precast tubular pile to continue to rotate by a small amplitude, and enabling an upper sleeve 3 of the second section precast tubular pile to be aligned with a corresponding bolt 2 so as to facilitate the subsequent opposite insertion process.
When the second cuts the precast tubular pile and transfers the in-process, drive rotary cylinder 22 for rubber stick 24 cuts precast tubular pile laminating with the second, and the translation cylinder 23 of redriving again for rubber stick 24 stirs the second of laminating and cuts precast tubular pile at the translation in-process, realizes that the second cuts the small-size autogiration of precast tubular pile.
The second cuts the in-process that precast tubular pile fell into closed uide bushing and rotatory whereabouts under the guide way effect, and spout 9 spouts the glue to the second in step and cuts the bottom of precast tubular pile.
And finally, continuously lowering the second section precast tubular pile, so that the upper end of each bolt 2 is inserted into the upper sleeve 3 corresponding to the lower end plate 10 of the second section precast tubular pile, and two clamping blocks 15 in the upper horizontal through hole 13 of each bolt 2 are outwards expanded and clamped into the annular groove section 7 of the upper sleeve 3.
Claims (6)
1. The utility model provides a connecting device of precast tubular pile which characterized in that: a plurality of groups of connecting pieces are arranged between every two adjacent precast tubular piles (1), and each group of connecting pieces comprises a bolt (2), an upper sleeve (3) and a lower sleeve (4); the inserting end of the outer wall of each sleeve is provided with a radial convex ring (5); the inner cavity of each sleeve pipe is sequentially provided with a transition section (6), an annular groove section (7) and an internal thread section (8) from the insertion end to the anchoring end; each end plate (10) of the precast tubular pile (1) is provided with T-shaped through holes (11) which correspond to each group of connecting pieces one by one, and the outer end of a longitudinal steel bar (12) corresponding to each T-shaped through hole (11) on a steel bar cage of the precast tubular pile (1) is provided with external threads;
each sleeve penetrates through a corresponding T-shaped through hole (11) in the end plate (10), a radial convex ring (5) of each sleeve is clamped with the step surface of the corresponding T-shaped through hole (11), the part of each sleeve extending into the corresponding T-shaped through hole (11) is anchored in concrete of the precast tubular pile (1), and an internal thread section (8) of each sleeve is in threaded connection with the outer end of the corresponding longitudinal steel bar (12);
an upper horizontal through hole and a lower horizontal through hole (13) are arranged in each bolt (2) in a penetrating manner, a pressure spring (14) is arranged in each horizontal through hole (13), and two clamping blocks (15) are fixed at two ends of each pressure spring (14); two ends of the bolt (2) are respectively inserted into the upper sleeve and the lower sleeve, when the horizontal through hole (13) is positioned in the transition section (6), the two clamping blocks (15) are retracted in the horizontal through hole (13), and when the horizontal through hole (13) is positioned in the annular groove section (7), the two clamping blocks (15) are expanded and clamped in the annular groove section (7);
the connecting device further comprises a support, two symmetrical transverse oil cylinders (16) are arranged on the support, a semicircular hoop (17) is fixed on a piston rod of each transverse oil cylinder (16), the inner diameter of the closed left and right two hoops is equal to the outer diameter of the prefabricated tubular pile (1), a semicircular guide sleeve (18) is fixed on each semicircular hoop (17), the inner diameter of the closed left and right two semicircular guide sleeves (18) is larger than the outer diameter of the prefabricated tubular pile (1), a limiting bump (19) is arranged at the lower end of each prefabricated tubular pile (1), a guide groove is arranged on the inner arc surface of each semicircular guide sleeve (18), each guide groove is composed of a conical groove (20) and a straight groove (21), and a small opening of each conical groove (20) is communicated with the straight groove (21).
2. The connecting method using the connecting device of the precast tubular pile according to claim 1, characterized in that: when the precast tubular pile (1) is manufactured, a plurality of T-shaped through holes (11) are penetrated through a tubular pile end plate (10), external threads are tapped at two ends of a longitudinal steel bar (12) of a steel bar cage corresponding to each T-shaped through hole (11), a sleeve is sleeved in each T-shaped through hole (11) of the end plate (10), a radial convex ring (5) of the sleeve is clamped with a step surface of the T-shaped through hole (11), an internal thread section (8) of the sleeve is screwed with the outer end of the corresponding longitudinal steel bar (12), and then concrete of the precast tubular pile (1) is poured;
when in piling operation, a first section of precast tubular pile is sunk into soil, then the lower end of each bolt (2) is inserted into a lower sleeve (4) corresponding to an upper end plate (10) of the first section of precast tubular pile, and two clamping blocks (15) in a lower horizontal through hole (13) of each bolt (2) are outwards expanded and clamped into an annular groove section (7) of the lower sleeve (4);
lifting the second section of the precast tubular pile by using a crane, aligning each upper sleeve (3) of a lower end plate (10) of the second section of the precast tubular pile with a corresponding bolt (2), and finally lowering the second section of the precast tubular pile, so that the upper end of each bolt (2) is inserted into the corresponding upper sleeve (3) of the lower end plate (10) of the second section of the precast tubular pile, and two clamping blocks (15) in an upper horizontal through hole (13) of each bolt (2) are outwards expanded and clamped into an annular groove section (7) of the upper sleeve (3);
after the lower end of each bolt (2) is inserted into a lower sleeve (4) of a first section of precast tubular pile, a left transverse oil cylinder and a right transverse oil cylinder (16) are driven to close and hoop the two semicircular anchor ears (17) of the first section of precast tubular pile, so that the two semicircular guide sleeves (18) are driven to be closed into a complete cylinder shape, the second section of precast tubular pile is lowered by a crane, the second section of precast tubular pile is rotated by a small amplitude, a limiting lug (19) at the lower end of the second section of precast tubular pile falls into a large opening of a conical groove (20) of an inner arc surface of each guide sleeve, the precast tubular pile (1) is continuously lowered, the guide groove can play a role in guiding the limiting lug (19), and then the second section of precast tubular pile continuously rotates by a small amplitude, so that the upper sleeve (3) of the second section of precast tubular pile is.
3. The connecting device of precast tubular pile according to claim 1, characterized in that: still be equipped with a revolving cylinder (22) on the support, the axis of the rotating part of revolving cylinder (22) is vertical, is equipped with translation cylinder (23) on the rotating part, is fixed with a rubber rod (24) on the piston rod of translation cylinder (23).
4. The connecting method using the connecting device of the precast tubular pile according to claim 3, characterized in that: when the second cuts the precast tubular pile and transfers the in-process, drive revolving cylinder (22) for rubber stick (24) cut the precast tubular pile laminating with the second, redrive translation cylinder (23) again for rubber stick (24) are in the translation in-process, stir the second of laminating and cut precast tubular pile, realize that the second cuts the small-amplitude autogiration of precast tubular pile.
5. The connecting device of precast tubular pile according to claim 1, characterized in that: the connecting device further comprises a glue injection pipeline for injecting waterproof sealant, and a nozzle (9) of the glue injection pipeline is located on the inner arc surface of the semicircular guide sleeve (18) and the nozzle (9) faces upwards.
6. The connection method using the connection device of the precast tubular pile according to claim 5, characterized in that: the second cuts the in-process that precast tubular pile fell into closed uide bushing and rotatory whereabouts under the guide way effect, spout (9) spout the glue to the bottom that the second cut precast tubular pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537933.2A CN108797579B (en) | 2018-05-30 | 2018-05-30 | Connecting device and connecting method for precast tubular piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537933.2A CN108797579B (en) | 2018-05-30 | 2018-05-30 | Connecting device and connecting method for precast tubular piles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108797579A CN108797579A (en) | 2018-11-13 |
| CN108797579B true CN108797579B (en) | 2020-06-02 |
Family
ID=64090915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810537933.2A Active CN108797579B (en) | 2018-05-30 | 2018-05-30 | Connecting device and connecting method for precast tubular piles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108797579B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898538B (en) * | 2019-03-19 | 2021-02-12 | 河北省交通规划设计院 | Component for prefabricated pile centering and centering connection method |
| CN110029667A (en) * | 2019-04-10 | 2019-07-19 | 浙江望达建材科技有限公司 | Anticorrosive pile body connector connecting structure |
| CN110158766B (en) * | 2019-04-29 | 2020-07-17 | 中厦建设有限公司 | Method for connecting assembled beam with self-locking structure and upright column |
| CN110130345B (en) * | 2019-05-15 | 2020-10-02 | 中地君豪建筑工程有限公司 | Static pile machine and tubular pile welding method |
| CN111809608A (en) * | 2020-07-03 | 2020-10-23 | 浙江理工大学 | Tubular pile connecting device and tubular pile manufacturing method |
| CN112942367A (en) * | 2021-02-03 | 2021-06-11 | 中铁十五局集团第五工程有限公司 | Steel pipe column of HPE hydraulic pressure inserted bored concrete pile |
| CN115142408B (en) * | 2022-05-27 | 2023-05-19 | 中交第二公路工程局有限公司 | Butt joint positioning device for large-diameter pile casing of underwater pile foundation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409673A (en) * | 2011-08-18 | 2012-04-11 | 李宏涛 | Elastic pin type mechanical quick connector for connecting prestressed concrete pipe piles |
| CN204059344U (en) * | 2014-04-30 | 2014-12-31 | 百盛联合建设集团有限公司 | Plug-in type stake connecting structure |
| KR20150017079A (en) * | 2013-08-06 | 2015-02-16 | 김기웅 | Coupling apparatus for non-welding of pile |
| CN106050851A (en) * | 2016-07-18 | 2016-10-26 | 长春工程学院 | Tool type vertical connecting device for steel tubes mainly on bearing axle centre pressure |
| CN207017259U (en) * | 2017-07-31 | 2018-02-16 | 袁雪峰 | Lock-bit jump ring Prefabricated Concrete joint and Hybrid connections structure |
-
2018
- 2018-05-30 CN CN201810537933.2A patent/CN108797579B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409673A (en) * | 2011-08-18 | 2012-04-11 | 李宏涛 | Elastic pin type mechanical quick connector for connecting prestressed concrete pipe piles |
| KR20150017079A (en) * | 2013-08-06 | 2015-02-16 | 김기웅 | Coupling apparatus for non-welding of pile |
| CN204059344U (en) * | 2014-04-30 | 2014-12-31 | 百盛联合建设集团有限公司 | Plug-in type stake connecting structure |
| CN106050851A (en) * | 2016-07-18 | 2016-10-26 | 长春工程学院 | Tool type vertical connecting device for steel tubes mainly on bearing axle centre pressure |
| CN207017259U (en) * | 2017-07-31 | 2018-02-16 | 袁雪峰 | Lock-bit jump ring Prefabricated Concrete joint and Hybrid connections structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108797579A (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108797579B (en) | Connecting device and connecting method for precast tubular piles | |
| CN111576403B (en) | Pile splicing structure and bearing platform anchoring structure using PHC tubular pile | |
| CN203569582U (en) | Connecting structure of concrete pipe pile and bearing platform | |
| CN2861282Y (en) | Automatic compandor | |
| CN108265710B (en) | Post-grouting prefabricated hollow pipe tree root pile structure and construction method | |
| CN103590414A (en) | Structure for connecting concrete tubular pile with bearing platform | |
| CN205935417U (en) | Take half grout sleeve of threaded connection spare | |
| CN208379580U (en) | It expands bolt pin type connector and pile for prestressed pipe expands bolt pin type mechanical connecting structure | |
| CN104234047A (en) | Composite pile made by jointly embedding nodular pile and tubular pile into cement-soil mixed soil-nailed pile | |
| CN101736739B (en) | Multisection double-protection casing pile pore-forming device and pile forming method thereof | |
| CN204919533U (en) | Drilling bored concrete pile hosqe bit | |
| CN201730093U (en) | Pore forming device of multisection double protection casing cylindrical piles | |
| CN106120714A (en) | A kind of device improving hollow pile bearing capacity and using method thereof | |
| CN114319329B (en) | Anchor rod static pressure pipe pressing device and cast-in-place pile construction method | |
| CN205875146U (en) | Broken pile's reinforced structure | |
| CN113802547B (en) | Construction method of bored pile based on inclined pile in wind power weathered soil layer | |
| CN202881986U (en) | Single-pile vertical static test pile head steel bar connection node | |
| CN213448450U (en) | Ultra-long tubular pile convenient to transport | |
| CN216484030U (en) | Indoor rock mass structural plane direct shear test specimen sampling system and drilling device thereof | |
| CN213741020U (en) | Precast concrete tubular pile | |
| CN210341907U (en) | Pile splicing device for steel-concrete composite piles with same pile diameter | |
| CN112942316A (en) | Prefabricated square pile and construction process thereof | |
| CN106836228A (en) | Filling type stake hollow drill | |
| CN205975582U (en) | Improve device of hollow pile bearing capacity | |
| CN202247967U (en) | Spiral connection embedded pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |