CN212641441U - Bolt type quick mechanical joint for connecting prestressed pipe piles - Google Patents
Bolt type quick mechanical joint for connecting prestressed pipe piles Download PDFInfo
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- CN212641441U CN212641441U CN202020730111.9U CN202020730111U CN212641441U CN 212641441 U CN212641441 U CN 212641441U CN 202020730111 U CN202020730111 U CN 202020730111U CN 212641441 U CN212641441 U CN 212641441U
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- bolt
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- pipe pile
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Abstract
The utility model discloses a bolt type quick mechanical joint for connecting prestressed pipe piles, which comprises an upper end plate connected with an upper pipe pile and a lower end plate connected with a lower pipe pile; the cylindrical plug-in is connected with the upper end plate and is provided with a plurality of clamping holes; the lower end plate and the lower pipe pile are provided with accommodating cavities for accommodating the cylindrical plug-in units, a plurality of plug pin assemblies are arranged on the outer sides of the accommodating cavities, and the plug pin assemblies are matched with the clamping holes; the bolt subassembly is including the embedding a plurality of mounting boxes in the tubular pile down, with the connecting seat that the mounting box is connected, with spring that the connecting seat is connected, the bolt of being connected with the spring free end and blockking the separation blade that the bolt popped out, the separation blade can be driven and move down, makes the bolt play and goes into in the joint hole. Implement the utility model discloses, can realize the high-speed joint of tubular pile, and the good reliability of connecting.
Description
Technical Field
The utility model relates to a prestressing force tubular pile connects technical field, especially relates to a quick mechanical joint of bolt formula that prestressing force tubular pile connects.
Background
In the construction process of the prestressed concrete pipe pile, the pipe pile is connected by generally adopting a connection mode of welding end plates of the pipe pile, the time of nearly half an hour is consumed for welding each joint in the traditional method, and the pile sinking after welding is strictly carried out according to corresponding construction rules, namely the pile can be sunk after a pile connecting welding line is naturally cooled for 8 minutes. Therefore, pile splicing by adopting a welding mode is long in time consumption, low in construction efficiency and high in construction cost, welding is affected by people, weather, environment and the like, the quality of a welding seam cannot meet the requirement, pile sinking is performed if the cooling time of the welding seam is not enough, a joint is easy to damage, and especially a high-temperature welding seam is affected by water in a soil layer, so that potential safety hazards can be generated.
In recent years, mechanical connections are becoming more and more common in the connection of prestressed concrete pipe piles. Compared with the traditional welding mode, the mechanical connection has the advantages of high construction efficiency, lower construction cost, simple and convenient construction and high integrity after pile splicing, but some mechanical connections used at present also have some defects, such as more complex connection structure, particularly difficult alignment of two piles, high required precision, higher construction cost of a connection device, more difficult control of connection and installation angles and the like.
The mechanical meshing joint of current prestressed concrete tubular pile includes upper segment end plate, lower segment end plate, connecting pin, spring, connecting box and nut, is equipped with the screw hole on its upper segment end plate, is equipped with the connection on the lower segment end plate, and this connecting hole rigidity has the connecting box, and connecting plate and spring are located this connecting box, are equipped with the meshing tooth on this connecting plate, connecting pin two is equipped with circular tooth end, and circular tooth end one end is equipped with the screw thread, the other end is equipped with the meshing tooth. During connection, the round tooth end of the connecting pin is screwed into the connecting hole of the upper section end plate and then is screwed and fixed by the nut, and then the other end of the connecting pin penetrates through the connecting hole of the lower section end plate and is inserted into the connecting plate, so that the meshing teeth on the connecting plate are meshed with the meshing teeth of the connecting pin, and two tubular piles are connected. However, this connection also has the corresponding disadvantages: the connecting pin is meshed and connected with the tooth end on the connecting plate, so that the connection reliability is poor; the connecting joints need to be matched with the tubular piles for corresponding production in a complete set, so that the connection of the tubular piles has directionality, the direction must be strictly corresponding when the tubular piles are sunk, and once the connecting joints are not matched, the progress of field pile sinking construction can be seriously influenced; in addition, the meshing of the tooth end of the connecting pin and the meshing teeth of the connecting plate is very difficult, and the operation is very inconvenient.
The existing mechanical connecting devices in other forms generally have the problems of complex connecting structure, difficult alignment of two piles, high required precision, high manufacturing cost of the connecting device, difficult control of connecting and mounting angles and the like.
Disclosure of Invention
The utility model aims to solve the technical problem that a bolt formula quick mechanical joint that prestressing force tubular pile is connected is provided, can realize the high-speed joint of tubular pile, and the good reliability of connection.
In order to solve the technical problem, the utility model provides a bolt type quick mechanical joint connected with a prestressed pipe pile, which comprises an upper end plate connected with an upper pipe pile and a lower end plate connected with a lower pipe pile;
the cylindrical plug-in is connected with the upper end plate and is provided with a plurality of clamping holes;
the lower end plate and the lower pipe pile are provided with accommodating cavities for accommodating the cylindrical plug-in units, a plurality of plug pin assemblies are arranged on the outer sides of the accommodating cavities, and the plug pin assemblies are matched with the clamping holes;
the bolt subassembly is including the embedding a plurality of mounting boxes in the tubular pile down, with the connecting seat that the mounting box is connected, with spring that the connecting seat is connected, the bolt of being connected with the spring free end and blockking the separation blade that the bolt popped out, the separation blade can be driven and move down, makes the bolt play and goes into in the joint hole.
As the improvement of the technical scheme, a plurality of bolt components are uniformly distributed along the circumferential direction and are connected with the lower end plate.
As the improvement of above-mentioned technical scheme, the separation blade is annular separation blade, the bottom of separation blade pass through the pressure spring with the interior wall connection of tubular pile down, just be equipped with first slide rail on the separation blade, be equipped with first spout on the inner wall of tubular pile down.
As an improvement of the technical scheme, the inner wall of the blocking piece is provided with an inclined plane which is arranged in a downward inclining mode, the outer wall of the cylindrical plug-in unit is provided with a wedge-shaped pushing block matched with the inclined plane, and the wedge-shaped pushing block can push the blocking piece to slide downwards.
As an improvement of the above technical scheme, the outer wall of the cylindrical plug-in is further connected with a plurality of first wedge-shaped fixture blocks which slide along the vertical direction, and the inner wall of the lower end plate is provided with a plurality of second wedge-shaped fixture blocks which correspond to the first wedge-shaped fixture blocks one to one;
the first wedge-shaped fixture block and the wedge-shaped pushing block are arranged in a staggered mode.
As an improvement of the technical scheme, a second sliding groove is formed in the cylinder plug-in, a second sliding rail is arranged on the first wedge-shaped fixture block, and the first wedge-shaped fixture block is connected with the cylinder plug-in through a tension spring.
As an improvement of the technical scheme, the bolt is cylindrical, rectangular or trapezoidal.
As an improvement of the above technical solution, the plug pin assembly further includes a support pillar disposed on the connection seat, and the spring is sleeved on the support pillar.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses a connect drum plug-in components on the upper end plate, be connected with the bolt subassembly on the lower end plate to through the separation blade with the bolt restraint in the mounting box. When last tubular pile did not insert, the separation blade blocks that the bolt pops out, spring and bolt are retrained in the mounting box, prevent the transportation damage, the follow-up assembly of being convenient for. Go up the tubular pile and insert when tubular pile down, drum plug-in components can promote the separation blade and remove to it is downthehole to make the bolt insert the joint, realize going up the high-speed joint of tubular pile and tubular pile down, reduced connection processes such as welding, improve the efficiency of construction.
Drawings
FIG. 1 is a first embodiment of the present invention relating to a plug-in quick mechanical joint;
FIG. 2 is a second embodiment of the present invention relating to a plug-pin quick mechanical joint;
FIG. 3 is a schematic view of the construction of the upper end plate and the cylinder insert of FIG. 2;
fig. 4 is a schematic structural view of the lower end plate and the plug pin assembly of fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
Referring to fig. 1, the utility model provides a bolt type quick mechanical joint for connecting prestressed pipe piles, which comprises an upper end plate 2 connected with an upper pipe pile 1 and a lower end plate 4 connected with a lower pipe pile 3;
the cylindrical plug-in unit 5 is connected to the upper end plate 2, and a plurality of clamping holes 51 are formed in the cylindrical plug-in unit 5;
the lower end plate 4 and the lower pipe pile 3 are provided with accommodating cavities 6 for accommodating the cylindrical plug-in units 5, a plurality of plug pin assemblies 7 are arranged on the outer sides of the accommodating cavities 6, and the plug pin assemblies 7 are matched with the clamping holes 51;
In this embodiment, the cylindrical plug-in 5 is connected with the upper end plate 2 in advance through welding or bolts, a plurality of clamping holes 51 are formed in the cylindrical plug-in 5, and the axes of the clamping holes 51 are arranged in a crossed manner with the axis of the cylindrical plug-in 5. After the upper tubular pile 1 is inserted into the lower tubular pile 3, the cylinder plug-in unit 5 is arranged in the accommodating cavity 6, and the movable part of the plug pin component 7 is ejected out and inserted into the clamping hole 51. Specifically, the latch assembly 7 is connected to the bottom surface of the lower end plate 4, and the latch assembly 7 includes a mounting box 71, a connecting seat 72 connected to the mounting box 71, a spring 73 connected to the connecting seat 72, a latch 74 connected to a free end of the spring 73, and a stopper 75 for stopping the latch 74 from popping out. When last tubular pile 1 was not inserted, separation blade 75 blocks that bolt 74 pops out, spring 73 and bolt 74 are retrained in mounting box 71, prevent damage such as transportation. When going up tubular pile 1 and inserting tubular pile 3 down, drum plug-in components can promote separation blade 75 and remove to make in bolt 74 inserts joint hole 51, realize going up tubular pile 1 and tubular pile 3's high-speed joint down.
The pipe pile structure is convenient for quick alignment of the upper pipe pile 1 and the lower pipe pile 3, reduces installation difficulty, and improves the drawing resistance of the upper pipe pile 1 and the lower pipe pile 3. A plurality of bolt subassembly 7 sets up along circumference equipartition, joint hole 51 sets up along the axis equipartition of drum plug-in components 5. During installation, the upper tubular pile 1 and the lower tubular pile 3 can be quickly aligned only by adjusting the angle of the upper tubular pile 1 by a small angle.
The blocking piece 75 can be a single blocking piece arranged in one-to-one correspondence with each of the latch assemblies 7; or a ring-shaped blocking piece, to block a plurality of latch assemblies 7 at the same time and simultaneously release a plurality of latches 74. In this embodiment, the flap 75 is preferably an annular flap. The bottom of separation blade 75 pass through the pressure spring 76 with the interior wall connection of tubular pile 3 down, pressure spring 76 can give separation blade 75 provides ascending pressure, makes separation blade 75 can block under the effect of not receiving other external forces bolt 74. In order to enable the blocking piece 75 to slide downwards after being stressed, a first sliding rail 751 is arranged on the blocking piece 75, and the first sliding rail 751 is embedded in a first sliding groove 31 arranged on the inner wall of the lower tubular pile 3 to slide.
Referring to fig. 2 to 4, as another embodiment of the engagement between the blocking piece 75 and the cylinder insert 5, an inclined surface 752 is provided on an inner wall of the blocking piece 75, the inclined surface 752 is inclined downward, a wedge-shaped pushing block 53 adapted to the inclined surface 752 is provided on an outer wall of the cylinder insert 5, and the wedge-shaped pushing block 53 can push the blocking piece 75 to slide downward. The inclined plane 752 is obliquely arranged towards the left lower side, and when the upper tubular pile 1 moves downwards, the wedge-shaped push block 53 is tightly clamped with the blocking piece 75 in advance; after that, the upper tubular pile 1 continues to move downwards, and the wedge-shaped push block 53 drives the blocking piece 75 to move downwards. In this embodiment, the extrusion force between the blocking piece 75 and the wedge-shaped pushing block 53 can also be used to improve the anti-drawing force of the upper tubular pile and the lower tubular pile 3.
Furthermore, the connection reliability of the upper tubular pile 1 and the lower tubular pile 3 is improved. The outer wall of the cylindrical plug-in unit 5 is further connected with a plurality of first wedge-shaped fixture blocks 54 which slide along the vertical direction, and the inner wall of the lower end plate 4 is provided with a plurality of second wedge-shaped fixture blocks 41 which correspond to the first wedge-shaped fixture blocks 54 one to one. The first wedge 54 is in the lower limit position under the influence of gravity. When the upper tubular pile 1 moves downwards, the first wedge-shaped fixture block 54 is matched with the second wedge-shaped fixture block 41 and can move upwards; by controlling the movement distance of the first wedge-shaped fixture block 54, when the first wedge-shaped fixture block 54 and the second wedge-shaped fixture block 41 are in a clamping state, the plug pin 74 is inserted into the clamping hole 51, so that the connection strength of the upper tubular pile 1 and the lower tubular pile 3 is further improved. In addition, in order to enable the wedge-shaped pushing block 53 to be inserted smoothly, the first wedge-shaped latch 54 is arranged in a staggered manner with respect to the wedge-shaped pushing block 53.
Specifically, a second sliding groove 55 is arranged in the cylinder plug-in 5, a second sliding rail 541 is arranged on the first wedge-shaped fixture block 54, and the first wedge-shaped fixture block 54 is connected with the cylinder plug-in 5 through a tension spring 52. The inclined surfaces 752 of the first wedge-shaped block 54 and the second wedge-shaped block 41 are both inclined to the right and downward, so that when the upper tubular pile 1 moves downward, the first wedge-shaped block 54 can move upward along the second sliding groove 55. The second slide rail 541 is preferably a T-shaped slide rail.
The latch 74 is cylindrical, rectangular or trapezoidal, but not limited thereto.
Referring to fig. 4, in order to prevent the spring 73 from being biased when it is ejected, the latch 74 is not smoothly inserted into the catching hole 51. The plug pin assembly 7 further comprises a supporting column 77 arranged on the connecting seat 72, and the spring 73 is sleeved on the supporting column 77. The support post 77 can provide some constraint that constrains the direction of ejection of the spring 73.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (8)
1. A bolt type quick mechanical joint connected with a prestressed pipe pile is characterized by comprising an upper end plate connected with an upper pipe pile and a lower end plate connected with a lower pipe pile;
the cylindrical plug-in is connected with the upper end plate and is provided with a plurality of clamping holes;
the lower end plate and the lower pipe pile are provided with accommodating cavities for accommodating the cylindrical plug-in units, a plurality of plug pin assemblies are arranged on the outer sides of the accommodating cavities, and the plug pin assemblies are matched with the clamping holes;
the bolt subassembly is including the embedding a plurality of mounting boxes in the tubular pile down, with the connecting seat that the mounting box is connected, with spring that the connecting seat is connected, the bolt of being connected with the spring free end and blockking the separation blade that the bolt popped out, the separation blade can be driven and move down, makes the bolt play and goes into in the joint hole.
2. The plug-type quick mechanical joint for connecting the prestressed pipe piles according to claim 1, wherein a plurality of plug-type components are uniformly arranged along the circumferential direction and are connected with the lower end plate.
3. The plug-type quick mechanical joint for prestressed pipe pile connection according to claim 2, wherein the blocking piece is an annular blocking piece, the bottom of the blocking piece is connected with the inner wall of the lower pipe pile through a pressure spring, a first sliding rail is arranged on the blocking piece, and a first sliding groove is arranged on the inner wall of the lower pipe pile.
4. The plug-type quick mechanical joint for connecting the prestressed pipe pile according to claim 3, wherein the inner wall of the baffle is provided with an inclined plane which is arranged in a downward inclined manner, the outer wall of the cylindrical plug-in unit is provided with a wedge-shaped push block which is matched with the inclined plane, and the wedge-shaped push block can push the baffle to slide downwards.
5. The plug-type quick mechanical joint for connecting the prestressed pipe pile according to claim 4, wherein the outer wall of the cylindrical plug-in is further connected with a plurality of first wedge-shaped fixture blocks which slide in the vertical direction, and the inner wall of the lower end plate is provided with a plurality of second wedge-shaped fixture blocks which correspond to the first wedge-shaped fixture blocks in a one-to-one manner;
the first wedge-shaped fixture block and the wedge-shaped pushing block are arranged in a staggered mode.
6. The plug-type quick mechanical joint for connecting the prestressed pipe pile according to claim 5, wherein a second chute is arranged in the cylindrical plug-in unit, a second slide rail is arranged on the first wedge-shaped fixture block, and the first wedge-shaped fixture block is connected with the cylindrical plug-in unit through a tension spring.
7. The pin-type quick mechanical joint for connecting prestressed pipe piles as claimed in claim 1, wherein the cross section of said pin is circular or polygonal.
8. The plug-type quick mechanical joint for connecting prestressed pipe piles according to claim 1, wherein the plug assembly further comprises a supporting column arranged on the connecting base, and the spring is sleeved on the supporting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020730111.9U CN212641441U (en) | 2020-05-06 | 2020-05-06 | Bolt type quick mechanical joint for connecting prestressed pipe piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020730111.9U CN212641441U (en) | 2020-05-06 | 2020-05-06 | Bolt type quick mechanical joint for connecting prestressed pipe piles |
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| Publication Number | Publication Date |
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| CN212641441U true CN212641441U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020730111.9U Active CN212641441U (en) | 2020-05-06 | 2020-05-06 | Bolt type quick mechanical joint for connecting prestressed pipe piles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389195A (en) * | 2021-07-13 | 2021-09-14 | 中国石油大学(北京) | Tubular pile quick connector and method |
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2020
- 2020-05-06 CN CN202020730111.9U patent/CN212641441U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389195A (en) * | 2021-07-13 | 2021-09-14 | 中国石油大学(北京) | Tubular pile quick connector and method |
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