CN108396732A - A kind of jointing device and prestressing force prefabricated component - Google Patents
A kind of jointing device and prestressing force prefabricated component Download PDFInfo
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- CN108396732A CN108396732A CN201810382667.0A CN201810382667A CN108396732A CN 108396732 A CN108396732 A CN 108396732A CN 201810382667 A CN201810382667 A CN 201810382667A CN 108396732 A CN108396732 A CN 108396732A
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- Prior art keywords
- chuck
- pedestal
- prefabricated component
- prestressing force
- inserted link
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 53
- 210000003205 muscle Anatomy 0.000 claims abstract description 20
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- 239000000463 material Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
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- 238000009434 installation Methods 0.000 description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
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- 238000012545 processing Methods 0.000 description 3
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- 238000000465 moulding Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
It includes upper section nut, lower section nut that the present invention, which provides a kind of jointing device simple in structure, safe and reliable, it is upper section nut and it is lower section nut bottom be equipped with for rigidity expand head clamping wear muscle hole, upper section nut is connected with inserted link far from the threaded one end for wearing muscle hole, inserted link is equipped with connection-peg, lower section nut sets gradually elastic element, button cylinder and stop nut far from muscle hole is worn, it is characterized in that, button cylinder includes chuck and pedestal, chuck is slidably connected with pedestal.It avoids the inserted link caused by material problem and connects unstable problem caused by can not strutting chuck.
Description
Technical field
The present invention relates to building connector technical field more particularly to a kind of jointing device and include the jointing
The prestressing force prefabricated component of device.
Background technology
Be presently used for the prefabricated pile of building foundation anti-pulling engineering, carried out in the form of most of welding using end plate stake and
The connection of stake.Since this connection type belongs to electric welding, because personnel's weld horizontal is irregular, it is understood that there may be certain peace
Full hidden danger, influences construction quality.For this purpose, the connection type of stake is improved by many enterprises to end-plate-free direction.
For example, disclosed in the document that the applicant retrieves it is a kind of buckle cylinder, including cyclic annular collet, the collet upper edge week
To being arranged at intervals with multiple card structures with buckle function.On this basis, a kind of jointing device is also disclosed, wraps
Bottom cylinder and top cylinder are included, the inner cavity setting of the bottom cylinder has elastic component, and the elastic element is resisted against the intracavity bottom of bottom cylinder, institute
It states the upper surface of elastic element and is provided with the button cylinder, the collet of the button cylinder is set to above elastic element, the button cylinder
Hollow lock cylinder is provided with above multiple card mechanisms, the lock cylinder is fixed on the inner cavity of bottom cylinder, and the button cylinder is resisted against lock cylinder
Lower end, the inner cavity of the top cylinder is fixed with bolt, is snapped in and is buckled after lock cylinder by bolt between the top cylinder and bottom cylinder
The two is set to link together on the inner cavity that multiple cards of cylinder surround.
Gasket and collet are integrated formula and buckle cylinder by the patent, are operated more convenient.But button cylinder by collet and
Card is connected and composed by elastic piece, and card is different from the requirement of the material of collet and elastic piece, because card and inserted link need
Withdrawal resistance is carried, so setting, clocking requirement its material hardness is very high, and the requirement of the not no high rigidity of collet and elastic piece,
In, elastic piece but has the design requirement of toughness, and card usually also needs to do special quenching treatment, such integral type
It is different to detain the physical attributes such as card, the hardness of elastic piece and collet, toughness in cylinder, the entire difficulty of processing and cost for detaining cylinder
It is very high, it is common practice to entire button cylinder unification be handled according to the design requirement of card, necessarily lead to elastic piece in this way
Hardness improve, toughness is insufficient, causes inserted link that can not strut chuck.
In this way, jointing device is in actual use, since elastic piece solidness and hardness are very high, inserted link can not strut
Card and formed cooperation, connection is unstable, this problem is insurmountable by existing spring, if spring setting is too
Firmly, then chuck can not move down, and chuck does not move down, and chuck can not be opened in radial direction by lock cylinder limitation, just can not be complete
At connection；If spring setting is softer, inserted link heads on button cylinder and moves down, and since elastic piece rigidity is very big, inserted link often occurs
It has been plugged into extreme position, but card does not open but, card is not formed with inserted link and is connect, root between such prefabricated component
Thus this influences pile body and connects reliability, resistance to plucking tensile capacity is caused to decline without forming being fastenedly connected for stabilization.
Invention content
The present invention is based on above-mentioned technical problems, provide a kind of jointing device simple in structure, safe and reliable.
To achieve the goals above, the present invention provides a kind of jointing device, including upper section nut, lower section nut, on
The bottom of section nut and lower section nut is equipped with for wearing muscle hole with what rigidity expanded head clamping, and upper section nut is separate to wear muscle hole
Threaded one end is connected with inserted link, and inserted link is equipped with connection-peg, and lower section nut sets gradually elastic element, button cylinder and limit far from muscle hole is worn
Position nut, wherein button cylinder includes chuck and pedestal, and chuck is slidably connected with pedestal radial direction.
Further, chuck is at least two panels, the circumferentially uniform interval setting of multi-disc chuck.
Further, chuck support is equipped between chuck and pedestal, chuck is fixedly connected with chuck support, chuck support and pedestal diameter
To be slidably connected.
Further, connection-peg is equipped with guide surface, and guide surface is at least partly cambered surface.
Further, on inserted link further include the portion of being loaded, for being engaged by clamping with clamping tool, the portion of being loaded is logical in the portion of being loaded
It crosses card access surface to be engaged by clamping with clamping tool, the portion that is loaded is non-circular perpendicular to the section of inserted link axis.
The invention also discloses a kind of prestressing force prefabricated component, several longitudinal ribs in prestressing force prefabricated component and horizontal bar structure
At prefabricated component rigid backbone, the prefabricated component both ends are correspondingly arranged lower section nut and upper section spiral shell in jointing device respectively
Mother, specifically, the longitudinal rib both ends of the prestressing force prefabricated component are made as rigidity and expand head respectively, and the upper section nut is under
Section nut is clamped by wearing the head that expands of the muscle hole respectively with longitudinal rib both ends in prestressing force prefabricated component.In this way, upper prestressing force is prefabricated
Part, lower prestress prefabricated component and for connect the upper prestressing force prefabricated component under connect prestressing force prefabricated component jointing fill
It sets, multiple prefabricated components can be assemblied into an entirety.
Multiple jointing dresses are equably correspondingly arranged between the upper prestressing force prefabricated component, lower prestress prefabricated component
It sets.
Compared with the background technology, the present invention, of the invention changed by will detain cylinder is cooked split structure, may be used so not
With material manufacture, facilitate machine-shaping, and chuck being slidably connected with respect to pedestal radial direction, under the action of elastic element
Folding is realized in the inner cavity of lower section nut, to be clamped connection-peg.Chuck can not be strutted by avoiding the inserted link caused by material problem
Caused by connect unstable problem.
It is also possible to several effects are obtained, such as：
(1) guide surface of inserted link is cambered surface, and the contact surface with button cylinder chuck is smooth transition surface, when guiding contact surface without
Dead angle, will not be stuck, ensures bolt grafting in place, connects reliability to improve pile body, resistance to plucking tensile capacity is avoided to decline simultaneously
Also avoid causes inserted link backfin chuck or inserted link to hit chuck due to unsmooth causes chuck to deform and connects not close unstable
Fixed problem.
(2) setting in the portion of the invention that is loaded changes the structure of original fluting assembly, becomes circumferential clamping assembly, avoids
The problem of fluting in the destruction and assembly of rigidity part stress to beating open-minded installation opening.
Figure of description
Fig. 1 is jointing apparatus structure exploded perspective view of the present invention；
Fig. 2 is the structural schematic diagram of inserted link of the present invention；
Fig. 3 is another structural schematic diagram of inserted link of the present invention；
Fig. 4 is the nature structural schematic diagram of jointing device of the present invention；
Fig. 5 is present invention button barrel structure schematic diagram；
Fig. 6 is the inserting state structural schematic diagram of jointing device of the present invention；
Fig. 7 is the inserting state structural schematic diagram of jointing device of the present invention；
Fig. 8 is that the embodiment of the present invention 2 detains barrel structure schematic diagram；
Fig. 9 is that the embodiment of the present invention 2 detains cylinder scheme of installation；
Figure 10 is that the embodiment of the present invention 2 detains structural schematic diagram after cylinder assembling；
Figure 11 is prestressing force preform structure schematic diagram of the present invention；
Wherein：Upper section nut 1, lower section nut 2, rigidity expand first 3, inserted link 4, connection-peg 5, wear muscle hole 6, elastic element 7,
Detain cylinder 8, stop nut 9, chuck 11, guide surface 12, the inserted link body of rod 13, screw thread 14, the portion 15 that is loaded, connection-peg maximum portion 16,
Chuck open after its minimum portion 17, chuck support 18, pedestal 19, the first prestressing force prefabricated component 20, the second prestressing force prefabricated component 21, indulge
To muscle 22.
Specific implementation mode
The present invention is illustrated below according to attached drawing illustrated embodiment.This time disclosed embodiment can consider in all sides
Face is to illustrate, without limitation.The scope of the present invention is not illustrated to be limited by following implementation, only by claims
Shown in range, and include all deformations having with right in the same meaning and right.
Illustrate that the present invention will be further described in detail with reference to specific embodiment.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of jointing device, including upper section nut 1, lower section nut 2, upper section nut
1 and the bottom of lower section nut 2 be equipped with for wearing muscle hole 6 with what rigidity expanded first 3 clamping, upper section nut 1 is separate to wear muscle hole 6
Threaded one end is connected with inserted link 4, and inserted link 4 is equipped with connection-peg 5, and lower section nut 2 sets gradually elastic element 7, button far from muscle hole 6 is worn
Cylinder 8 and stop nut 9, wherein button cylinder 8 includes chuck 11, pedestal 19, and chuck 11 is slidably connected with pedestal 19, and chuck 11 can be with
The sliding radial relative to pedestal 19, i.e. chuck 11 can be opened or be reduced in lower section nut 2, wherein be slidably connected as slot and
What the mode of guide rail was formed is slidably connected, and can be that slot is set in chuck 11, the guide rail of protrusion is set on pedestal 19, vice versa.Separately
Outside, slot is set as rectangle, trapezoidal, wedge-shaped etc. with what guide rail can be adapted, preferably wedge-shaped.
As shown in Fig. 2, the structural schematic diagram of inserted link of the present invention, wherein inserted link 4 includes connection-peg 5, and connection-peg 5 is provided with
Guide surface 12, the guide surface 12 at least part is cambered surface, and guide surface 12 smoothly struts chuck 11 for making inserted link 4, leads
It is formed by the different circular arc of multiple radians to face 12 and guiding role can be divided into multistage, to adapt to different chuck 11, be not necessarily to
Existing chuck 11 is replaced, the suitability of inserted link 4 is improved, economic value is very big；And after guide surface 12 is classified, between every section of circular arc
The buffering area that a section power is formed in 4 insertion process of inserted link is conducive to inserted link 4 and more accurately completes docking in this way.Inserted link bar
Body 13 is to 5 gradually smaller bullet of connection-peg, while stop nut 9 is corresponding with the inserted link body of rod 13 is arranged to reverse taper,
Be conducive to the stability of inserted link 4 and 9 grafting of stop nut and the compact and compactness of entire jointing device cooperation, Ke Yili
Solution is the inserted link body of rod 13 or cylinder or other regular polygon bodies, and the one end of the inserted link body of rod 13 far from connection-peg 5 is set
There is screw thread 14.
Further include the portion of being loaded 15 on inserted link 4 in the present embodiment, the portion 15 that is loaded is clamped by card access surface and clamping tool
Cooperation, the card access surface includes at least one not rounded face, and the specific location of card access surface can be arranged as required in inserted link 4
On multiple positions, such as：
When installation tool be it is polygonal telescopic when, the portion 15 that is loaded can be raised in the inserted link body of rod 13, be loaded portion 15 perpendicular to
The section of 4 axis of inserted link is polygon, it will be understood by those skilled in the art that the portion 15 that is loaded is perpendicular to 4 axis of inserted link
Section be non-circular other shapes, can block and inserted link 4 is driven to move synchronously.
As shown in figure 3, when the portion of being loaded 15 is set on the inserted link body of rod 13, be loaded the cutting perpendicular to 4 axis of inserted link of portion 15
At least two sections of the contour line in face is straightway, it is to be appreciated that the portion 15 that is loaded is the lower concave plane for being set to the inserted link body of rod 13
Or cutting facade, lower concave plane or cutting facade are two, symmetrical to be arranged in 13 both sides of the inserted link body of rod, it is also conceivable that
Portion be loaded as the slot cut on the inserted link body of rod 13.
As shown in Figure 4,5, under natural conditions, upper section nut 1, lower section nut 2 are separately connected rigid expand by wearing muscle hole 6
First 3, upper section nut 1 is threaded with inserted link 4, and the inner cavity upper and lower part of lower section nut 2 is respectively equipped with screw thread 14 and wears muscle hole
6, it is respectively used to connection stop nut 9 and rigidity expands first 3, set gradually stop nut 9, button in lower section nut 2 from top to bottom
Cylinder 8 and elastic element 7, wherein button cylinder 8 includes pedestal 19 and the circumferentially spaced multiple chuck 11 of 19 upper edge of pedestal, chuck
11 with pedestal 19 is radial is slidably connected, its minimum portion 16 after chuck is opened that meets is enough through the maximum portion 17 of connection-peg i.e.
Can, because the structure of 5 concentric reducer of connection-peg determines the maximum portion 16 of connection-peg once by the minimum portion 17 of chuck, in elasticity
Under the action of element 7,11 natural shrinking of chuck simultaneously forms stable clamping engagement with connection-peg 5, and elastic element 7 is compression spring,
Can be other spring elements with reset function such as rubber, clamp spring, shrapnel, elastic element 7 holds the pedestal 19 of button cylinder 8, makes
The conical surface for obtaining chuck 11 is bonded with the conical surface of stop nut 9, and the cone match of chuck 11 and stop nut 9 is the prior art,
Effect repeats no more.
As shown in Figure 6,7, in grafting, connection-peg 5 compresses chuck 11 (or button cylinder 8), at this moment, 11 one side of chuck along
The opening of the conical surface radial direction of stop nut 9 in connection, on the other hand under the action of lower pressure, button cylinder 8 drives chuck 11
It is moved to the direction for wearing muscle hole 6, inserted link 4 is persistently inserted into, and chuck 11 deviates from stop nut 9, the conical surface and the stop nut 9 of chuck 11
Conical surface separation, its minimum portion 17 is sufficient to make the maximum portion 16 of connection-peg to pass through after chuck opening, by rear, button cylinder 8
It is moved to 9 direction of stop nut under the action of elastic element 7, and the conical surface of the conical surface of chuck 11 and stop nut 9 is again
Fitting, such inserted link 4, chuck 11 and stop nut 9 form limit cooperation, inserted link 4 are prevented to exit, and complete to be engaged by clamping, enhancing
The reliability of connection, avoids missing phenomenon.
Embodiment 2
As shown in Figure 8,9, 10, the present embodiment is substantially the same manner as Example 1, and difference lies between chuck 11 and pedestal 19
Equipped with chuck support 18, chuck 11 is fixedly connected with chuck support 18, and chuck support 18 is slidably connected with 19 radial direction of pedestal.
Specifically, the button cylinder 8 includes that circumferentially uniform intervals are provided with and multiple have card on pedestal 19 and pedestal 19
The chuck 11 of function is detained, the chuck 11 is connect with pedestal 19 by chuck support 18, the pedestal 19, chuck support 18, chuck 11
For separate structure, wherein chuck 11 is fixedly connected with chuck support 18, can be one kind of bonding, clamping, pin connection or key connection
Or its combination, chuck support 18 is slidably connected with pedestal 19, this be slidably connected it is preferably not departing be slidably connected, such as wedge
Shape slot and guide rail, T-rail and T-slot cooperation, it is preferred that the sealing two ends on the component of setting slot, such chuck support 18
Become an entirety with pedestal 19, the size of chuck support 18 and the ground of chuck 11 are suitable, i.e., chuck support 18 was in 19 last week of pedestal
To being uniformly distributed, very close to each other between chuck support 18 after shrinking, there are gaps between chuck support 18 after opening.
In the present embodiment, chuck support 18 and pedestal 19 are connected using T shape slide constructions, and wherein chuck support 18 is towards pedestal
19 side is equipped with inverted T-shaped sliding pin 30, and corresponding on pedestal 19 to be equipped with inverted T-shaped slide slot 40, slide slot 40 is on pedestal 19
Opening be enough the stub end by sliding pin 30 in a fixed angle, the opening of slide slot 40 is oblong openings,
The length of long side is more than the bottom edge length of sliding pin 30, and the length of short side is more than the thickness of sliding pin 30, i.e. slide slot 40 exists
The long side of opening on pedestal 19 is more than the long side of 30 bottom of sliding pin, and the short side of opening of the slide slot 40 on pedestal 19 is more than
Chuck support 18 is rotated (90 degree) and arrives sliding pin by the short side of sliding pin bottom in this way, when chuck support 18 and pedestal 19 are slidably connected
Opening of the slide slot 40 on pedestal 19 can be inserted in 30 pin bottom, and chuck support 18 is rotated (90 degree) resets again after insertion, this
Scale platform support 18 is just circumferentially uniform to be slidably connected on pedestal 19.
It should be understood that slide slot 40 and the shape of sliding pin 30 are not limited solely to T shapes, slide slot 40 is in pedestal 19
On opening be also not limited to rectangle, can be wedge shape, irregular polygon etc..
Effective connection of chuck support 18 and pedestal 19 can be regarded as an entirety, then by automating processing or people
Chuck 11 is bonded in chuck support 18 by work, and detaining cylinder 8 so just becomes an entirety, when mounted without installation tool,
Directly the button cylinder 8 being completed is connected to by pedestal 19 on elastic element 7, or the button cylinder being directly completed
8 are packed into lower section nut 2, are provided a great convenience for installation, chuck support 18 and processing and the moulding for convenience of pedestal 19,
Plastics may be used or modified plastics makes, preferably polytetrafluoroethylene (PTFE), or modified polytetrafluoroethylene (PTFE), as long as meeting chuck
Support 18 opposite can be slided with pedestal 19, in addition, pedestal 19 can be connected on elastic element 7, pedestal 19 can be with bullet
Property 7 inscribe of element or circumscribed buckle.
In this structure design, it may be considered that other existing clampings or slip connection mode, it can be with as long as meeting chuck 11
Radial expansion and diminution, while while installing, can chuck 11 to be easily connected as the synthesis that one is conveniently installed or placed whole
Body, core be chuck 11 is carried by carrier so that chuck 11 it is no longer scattered be in chip slice status, and chuck 11
Realization that can be smooth in lower section nut 2 is radial and moves up and down.
In use, connection-peg 5 compresses chuck 11, and chuck 11 is connected in chuck support 18, by pressure transmission to card
Platform support 18, chuck support 18 is forced downwards, is on the one hand oliquely downward moved along the conical surface of chuck, on the other hand due to chuck support
18 are slidably connected with pedestal 19, and chuck support 18 is set as conventional compression spring along 19 radially enlarged sliding of pedestal, such elastic element 7
, after inserted link 4 is inserted into, button cylinder 8 moves up under the action of elastic element 7, and chuck 11 is received along the conical surface of stop nut 9
Contracting, while the sliding of the radial contraction on pedestal 19 of chuck support 18.
The embodiment compared with Example 1 the difference is that：The drawbacks of in order to solve existing button cylinder, the present embodiment will be detained
Cylinder transform as it is split type, on the basis of not changing existing chuck, with plastic production chuck support and pedestal, such one side pedestal
It is easy moulding and making with chuck support, on the other hand reduces the cost of manufacture of button cylinder.
Embodiment 3
As shown in figure 11, the invention also discloses a kind of prestressing force prefabricated components, including the first prestressing force prefabricated component 20, second
Prestressing force prefabricated component 21 and the connection that prestressing force prefabricated component 21 is connect for connecting the first prestressing force prefabricated component 20 and second
The end face of piecing devices, the first prestressing force prefabricated component 20 and the second prestressing force prefabricated component 21 is equal in magnitude, and interface is opposite, the company
Connect the jointing device that piecing devices are embodiment 1 or embodiment 2, wherein several longitudinal ribs in prestressing force prefabricated component
22 and horizontal bar constitute prefabricated component rigid backbone, the general uniformly rounded or rectangular equal regular figures setting of longitudinal rib 22 is being answered in advance
In power prefabricated component, 22 both ends of longitudinal rib of the prestressing force prefabricated component are made as rigidity and expand first 3 respectively, and by wearing muscle hole 6
It is separately connected section nut 1 and lower section nut 2, upper section nut 1 connects inserted link 4, lower 2 elastic elements 7 of section nut, button cylinder 8
It is corresponding that connection is can be completed into the lower section nut of inserted link insertion when two prestressing force prefabricated components connect with stop nut 9.Tool
Body says that the first prestressing force prefabricated component 20 is docked with the second prestressing force prefabricated component 21, longitudinal rib in the first prestressing force prefabricated component 20
22 upper end connection is lower to save nut 2, and lower end, which connects, saves nut 1, and the upper end of longitudinal rib 22 connects in the second prestressing force prefabricated component 21
Connect lower section nut 2, save nut 1 in the connection of lower end, extend successively, when multiple prefabricated components are connected with each other, be sequentially arranged section or under
Nut is saved, then corresponding setting inserted link 4 and chuck 11.
Be arranged jointing device prefabricated component can facilitate it is stable and firm link together, change the weldering of present end plate
The mode connect in succession has huge economy and social value.
It is to be appreciated that term " upper section ", " lower section ", " limit ", " upper end ", " lower end ", "top", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description and letter
Change description, rather than indicate or imply to must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitation of the present invention.
It the above is only the preferred embodiment of the present invention, protection scope of the present invention is with claim limited range
Standard, several improvements and modifications that those skilled in the art make without departing from the spirit and scope of the present invention also should be regarded as this
The protection domain of invention.
Claims (10)
1. the bottom of a kind of jointing device, including upper section nut, lower section nut, upper section nut and lower section nut is all provided with useful
In wearing muscle hole with what rigidity expanded head clamping, upper section nut is connected with inserted link far from the threaded one end for wearing muscle hole, and inserted link, which is equipped with, to be inserted
Connector, lower save in nut set gradually elastic element, button cylinder and stop nut far from the direction for wearing muscle hole, which is characterized in that button
Cylinder includes chuck and pedestal, and chuck is slidably connected with pedestal radial direction.
2. jointing device according to claim 1, which is characterized in that chuck is at least two panels, and multi-disc chuck is circumferential
Uniform interval setting.
3. jointing device according to claim 1, which is characterized in that be equipped with chuck support, card between chuck and pedestal
Platform is fixedly connected with chuck support, and chuck support is slidably connected with pedestal radial direction.
4. jointing device according to claim 3, which is characterized in that chuck is Nian Jie with chuck support.
5. jointing device according to claim 3 or 4, which is characterized in that the side of chuck support towards pedestal is equipped with
Inverted T-shaped sliding pin, corresponding on pedestal to be equipped with inverted T-shaped slide slot, opening of the slide slot on pedestal is in a fixed angle
It is enough the stub end by sliding pin.
6. jointing device according to claim 1, which is characterized in that connection-peg is equipped with guide surface, and guide surface is at least
It is cambered surface to have part.
7. jointing device according to claim 1, which is characterized in that further include the portion of being loaded on inserted link, the portion of being loaded uses
It is engaged by clamping in clamping tool.
8. jointing device according to claim 7, which is characterized in that portion's the cutting perpendicular to inserted link axis that be loaded
Face is non-circular.
9. there is the prestressing force prefabricated component of claim 1-8 any one of them jointing devices, in prestressing force prefabricated component
Several longitudinal ribs and horizontal bar constitute prefabricated component rigid backbone, which is characterized in that the longitudinal rib both ends of prestressing force prefabricated component point
It is not made as rigidity and expands head, the upper section nut and lower section nut of jointing device are prefabricated with prestressing force respectively by wearing muscle hole
Longitudinal rib both ends expands head clamping in part.
10. prestressing force prefabricated component according to claim 9, which is characterized in that prestressing force prefabricated component includes that upper prestressing force is pre-
Product, lower prestress prefabricated component are equably correspondingly arranged on multiple connections between upper prestressing force prefabricated component, lower prestress prefabricated component
Piecing devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810382667.0A CN108396732A (en) | 2018-04-26 | 2018-04-26 | A kind of jointing device and prestressing force prefabricated component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810382667.0A CN108396732A (en) | 2018-04-26 | 2018-04-26 | A kind of jointing device and prestressing force prefabricated component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108396732A true CN108396732A (en) | 2018-08-14 |
Family
ID=63100523
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810382667.0A Withdrawn CN108396732A (en) | 2018-04-26 | 2018-04-26 | A kind of jointing device and prestressing force prefabricated component |
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| Country | Link |
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| CN (1) | CN108396732A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220163666A (en) * | 2021-06-03 | 2022-12-12 | 케이에이치건설 주식회사 | Pipe connecting structure and phc pile structure using the same |
-
2018
- 2018-04-26 CN CN201810382667.0A patent/CN108396732A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220163666A (en) * | 2021-06-03 | 2022-12-12 | 케이에이치건설 주식회사 | Pipe connecting structure and phc pile structure using the same |
| KR102503767B1 (en) | 2021-06-03 | 2023-02-27 | 케이에이치건설 주식회사 | Pipe connecting structure and phc pile structure using the same |
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Application publication date: 20180814 |