CN203514301U - Connection sleeve and prefabricated part comprising same - Google Patents
Connection sleeve and prefabricated part comprising same Download PDFInfo
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- CN203514301U CN203514301U CN201320683654.XU CN201320683654U CN203514301U CN 203514301 U CN203514301 U CN 203514301U CN 201320683654 U CN201320683654 U CN 201320683654U CN 203514301 U CN203514301 U CN 203514301U
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- hole
- adapter sleeve
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- main muscle
- stretch
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- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 210000003205 muscle Anatomy 0.000 description 59
- 238000000034 method Methods 0.000 description 21
- 239000004567 concrete Substances 0.000 description 17
- 230000003014 reinforcing effect Effects 0.000 description 16
- 238000010276 construction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011513 prestressed concrete Substances 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 244000273618 Sphenoclea zeylanica Species 0.000 description 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a connection sleeve and a prefabricated part comprising the same. The connection sleeve (1) is provided with a hole (10) in the axial direction; the connection sleeve (1) is provided with an external thread on the outer wall or provided with an internal thread (101) on at least one part of the hole (10); the hole (10) further comprises a section of taper hole (102) in a tapered shape or a clamp platform (105) arranged along the inner wall of the hole (10); and furthermore, an open slot (11) extending into the hole (11) is further formed in the side wall of the connection sleeve (1), and penetrates downwards through the lower end part of the connection sleeve (1). The connection sleeve has the advantages that the production cost of a precast pile can be reduced greatly, the labor intensity of a worker can be reduced, and the production efficiency and the product quality can be improved.
Description
Technical field
The utility model relates to the prefabrication such as the prestressed concrete such as pile tube and square pile member field, relates in particular to the production method of the prestressed reinforcement in above-mentioned prestressed concrete member being carried out to assembly and the concrete component of prestressed stretch-draw.
Background technology
Pile foundation is high with its bearing capacity, good stability, sedimentation are little, be convenient to the features such as mechanized construction, becomes the type of foundation extensively adopting in the engineerings such as industry and civilian construction, traffic, railway, civil aviaton, water conservancy, harbour.Wherein, concrete tubular pile and square pile are as main stake type, the features such as bearing capacity is high owing to having, adaptation stratum ability is strong, batch production is produced, economic environmental benefit is obvious, have obtained application more and more widely especially, become a vigorous new industry.
Current domestic concrete precast element is comprised of end plate (flange) and pile protection hoop (also referred to as " anchor ear circle " or " skirtboard ") as the two ends pile crown structure of the precast units such as solid square pile, hollow square pile, floor, stair, pile tube, end plate plays the main muscle of anchoring prestress when preformed pile tension process, in connecting, plays welding effect between pile body simultaneously.Spillage when pile protection hoop can prevent concrete centrifugal, can play protection pile crown during pile sinking, prevents the effect of distortion.
Take pile tube as example, and traditional tube pile structure comprises the parts such as concrete, reinforcing cage, end plate, pile protection hoop, and pile tube is generally hollow.Wherein, concrete and reinforcing cage form the pile body of pile tube, reinforcing cage by prestressed reinforcement and in the shape of a spiral the stirrup of continuous welding on main muscle form, reinforcing cage generally can be made by mechanized equipments such as seam welders.The two ends of pile tube pile body are pile crown, are provided with end plate and pile protection hoop on pile crown, and end plate is arranged on the both ends of pile body, and pile protection hoop and end plate be by welding or the mode such as riveted joint is fixed together, thereby end plate is connected on pile body.
Meanwhile, end plate is connected with reinforcing cage, plays the main muscle of anchoring prestress while main muscle being carried out to stretch-draw in preformed pile tension process, and end plate is while carrying out prestressed stretch-draw, to bear prestressed parts.The structure of end plate as shown in Figure 1, end plate 9 integral body are disc, in end sheet surface, be provided with the main muscle anchor hole 90 that a plurality of sizes are interconnected, wherein macropore is for wearing muscle hole 901, aperture is counter sink 902, rounded even cloth is on end plate 9 surfaces on the whole for the main muscle anchor hole 90 of above-mentioned many groups, and the number of above-mentioned main muscle anchor hole 90 is identical with main muscle number.
At present, the manufacturing process of pile tube mainly comprises the following steps: (1) forms reinforcing cage body by the main muscle after heading and stirrup by seam welder roll welding; (2) end plate and the welding of pile protection hoop are formed to pile crown; (3) by putting into pipe pile die after pile crown and the assembling of reinforcing cage body, carry out cloth, and matched moulds; Wherein, when assembling pile crown and reinforcing cage body, need to, by the main muscle after heading first by wearing muscle hole through after end plate, move to counter sink, thereby heading is stuck in counter sink; (4) utilize stretching machine to carry out stretch-draw to main muscle; (5) mould after matched moulds stretch-draw is placed on centrifuge, carry out centrifugal; (5) curing pool steam-cured or utilize autoclave press to steam after, form pile tube finished product.
Wherein utilizing stretching machine to carry out, in prestressed stretch-draw process, substantially all adopting the mode of integral tension, the mode of integral tension has two kinds of forms: comprise tensioning head method and stretch-draw dish method.The two stretch-draw principle is the same, and while just adopting the stretch-draw of tensioning head method, the origin of force of pulling force mainly concentrates on center bolt, and the origin of force of pulling force is the neighboring that is distributed in stretch-draw dish during the stretch-draw of stretch-draw dish method.Therefore,, while adopting the stretch-draw of stretch-draw dish method, stressed comparatively even, end plate is difficult for tilting, and is particularly suitable for large and medium-sized pile tube to carry out stretch-draw.
In the prior art, no matter adopt which kind of mode to carry out stretch-draw to main muscle, in stretching process, the power of the generation of stretching machine (is all finally generally stretch board by the connecting elements of stretching machine and end plate, also referred to as a plate or tailgate) be delivered to end plate, thus main muscle is carried out to prestressed stretch-draw.
That is to say, in the prior art, when the main muscle of prestressing force is carried out to stretch-draw, end plate is being brought into play extremely important effect: a side of end plate needs and stretch board is fixed connection by nut etc., the opposite side of end plate need to carry out snapping by dowel hole and main muscle, and the power of the generation of stretching machine is finally delivered to main muscle.Also, in the prior art, end plate is indispensable parts to pile tube and other precast units, and especially, when main muscle is carried out to prestressed stretch-draw, end plate is essential especially.
And identical with pile for prestressed pipe, the manufacture process of prestress square pile comprises the steps such as the making, matched moulds cloth, prestressed stretch-draw of reinforcing cage, centrifugal, maintenance and high-pressure steaming and cultivating equally.And, the main muscle of the prestressing force of square pile to be carried out in the process of stretch-draw, prior art need to arrange the power that end plate transmits stretching machine equally.Therefore,, for the production of square pile, end plate is absolutely necessary equally.
But, it no matter is in pile tube field or square pile field, when using end plate and pile protection hoop, due to end plate and pile protection hoop when prefabricated units are produced complex process, be difficult to operation, therefore exist following subject matter: first: manufacturing procedure is complicated, cost is higher, account for the significant proportion of prefabricated units cost; Second: the machining accuracy of end plate, assembly precision require high, and end plate is installed, end plate point contact during construction between preformed pile, increases difficulty of construction, and even pile crown is easily broken; The the 3rd: end plate is heavier, while being connected with reinforcing cage, labour intensity is large, and production efficiency is low; The the 4th: welding quality difference during tube pile construction between pile crown place end plate and end plate is larger, has certain potential safety hazard.
Therefore improve pile tube production technology, cost-saving, raising pile tube product quality is the common target of tubular pile industry.At present, each concrete prefabricated element enterprise improves at aspects such as tube pile structure, concrete raw material and match ratio, activitiess, develop the shaped pile kind of different purposes, pile body syndeton, the concrete precast pile of different source material mixture ratios, the object of reach cost-saving, increasing economic efficiency.But by improving end plate and stretch-draw modular construction the aspect such as to enhance productivity and cost-saving, prior art does not also provide good solution.
Utility model content
The utility model object is to overcome weak point of the prior art, provide a kind of without end plate, and simple in structure, assembling flexibly, transport light, the with low cost adapter sleeve for prefabricated units, comprise the prefabricated units of above-mentioned adapter sleeve and the production method of above-mentioned prefabricated units and method of attachment.
In order to achieve the above object, the utility model adopts following scheme:
A kind of adapter sleeve for prefabricated units, described adapter sleeve has hole on it is axial, described adapter sleeve is provided with external screw thread or has internal thread at least a portion in described hole on outer wall, and described hole also comprises that one section is shaped as the bellmouth of taper or has the Ka Tai arranging along described hole inwall; And, on the sidewall of described adapter sleeve, be also provided with the open slot extending in described hole, and described open slot is passed down through the bottom of described adapter sleeve.
Described adapter sleeve appearance integral is cylindrical or conical, or the first half is that cylindrical, the latter half is for conical.
Described open slot comprises upper and lower two parts, the cross sectional shape of the first half of wherein said open slot be four jiaos with fillet and be with rectangle jaggy.
Described hole is the through hole axially running through along adapter sleeve, and described through hole at least comprises two parts from top to bottom: the first of described through hole is provided with internal thread; The second portion of described through hole is bellmouth
Described through hole also comprises third part, and the third part of described through hole is positioned at the bottom of described second portion, and cross section is notched circular port or semi-circular hole.
The first of described through hole is shaped as cylindrical hole.
Between the first of described through hole and second portion, be also provided with platform.
The upper end of described adapter sleeve is for being fixed connection with tensioning equipment.
The upper end of described adapter sleeve, for being connected with the stretch board on described tensioning equipment, wherein, is provided with bolt hole on described stretch board, and bolt is threaded with described adapter sleeve through above-mentioned bolt hole.
The utility model also provides described adapter sleeve is installed in prefabricated units described in a kind of prefabricated units.
Described prefabricated units are pile tube or square pile.
In sum, with respect to prior art, the adapter sleeve for prefabricated units that the utility model provides has following beneficial effect:
(1) reduced the cost of production of preformed pile;
(2) reduced in preformed pile manufacturing process labour intensity when workman installs end plate;
(3) adapter sleeve using, it is simple, convenient to install, and production efficiency is high;
(4) syndeton of using, has improved the quality of production of preformed pile;
(5) syndeton of using, is not subject to the impact of blowing and raining and natural environment during construction, easy and simple to handle, reliability is strong, stable performance.
Accompanying drawing explanation
Fig. 1 is the sectional elevation of prior art end plates;
Fig. 2 is the structural representation of a preferred embodiment of the adapter sleeve for prefabricated units of the present utility model;
Fig. 3 is the sectional side elevation of adapter sleeve of the present utility model, the position of the heading that wherein also shows the main muscle of prestressing force in adapter sleeve;
Fig. 4 observes the elevation of adapter sleeve from the open slot direction of adapter sleeve of the present utility model;
Fig. 5 is the top view of Fig. 4 view;
Fig. 6 is the upward view of Fig. 4 view;
Fig. 7 is the left view of Fig. 4 view;
Fig. 8 is the right view of Fig. 4 view;
Fig. 9 is the schematic diagram (cross-sectional figure) of the stretch board of tensioning equipment;
Figure 10 is the connection diagram (sectional side elevation) that tensioning equipment is connected with adapter sleeve of the present utility model when the main muscle of the prestressing force of prefabricated units is carried out to stretch-draw;
Figure 11 be Figure 10 draw a circle part (I) enlarged drawing;
Figure 12 is the schematic diagram (sectional side elevation) of bolt and the another kind of connected mode of adapter sleeve of the present utility model;
Figure 13 is the sectional side elevation of another embodiment of the utility model adapter sleeve, the position of the heading that wherein also shows the main muscle of prestressing force in adapter sleeve.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
As shown in Fig. 2 to Fig. 8, schematic diagram for a preferred embodiment of the adapter sleeve 1 for prefabricated units of the present utility model, it has following structure: adapter sleeve 1 monnolithic case is cylindrical, described adapter sleeve 1 has the through hole 10 running through vertically, described through hole 10 at least comprises two parts from top to bottom, the first of described through hole 10 is provided with internal thread 101, also on wall, is provided with screw thread within it; The second portion of described through hole 10 is the bellmouth 102 that is roughly taper, for holding the heading 31 of the main muscle 3 of prestressing force after heading is processed; In addition, on the sidewall of adapter sleeve 1, be also provided with the open slot 11 extending in described through hole 10, and, described open slot 11 is passed down through the bottom of described adapter sleeve 1, described open slot 11 is for importing to the main muscle of prestressing force in above-mentioned through hole 10, and wherein the heading 31 of the main muscle of prestressing force after heading is processed is contained in described bellmouth 102.
As shown in above-mentioned accompanying drawing, preferably, described through hole 10 also comprises third part, the third part of described through hole 10 is positioned at described second portion bottom, its cross section is notched circle or semi-circular hole 103, and its diameter is identical with the diameter of the main muscle of prestressing force, or is greater than the diameter with the main muscle of prestressing force, for when the heading 31 of the main muscle 3 of prestressing force falls into described bellmouth 102, the part 32 below the main muscle pier nose of prestressing force can be passed down through the third part of described through hole 10.
Preferably, the first of described through hole 10 is cylindrical hole 104.
Preferably, between the first of described through hole 10 and second portion, be also provided with platform 14, for hold the heading 31 of the main muscle of prestressing force together with bellmouth 102.
Preferably, as shown in Figure 4, described open slot 11 is similar to the cross section of the main muscle 3 of prestressing force after heading is processed, also be that open slot 11 comprises upper and lower two parts, being shaped as four jiaos with fillet and being with rectangle jaggy of the first half 112 cross sections wherein, the latter half 113 is for lacking the right angle rectangle on both sides.Certainly, as mentioned above, 11 effects of described open slot are the heading of the main muscle of prestressing force 31 to import in described bellmouth 102, so its concrete shape is with the above-mentioned limit that is shaped as, as long as can make, the heading 31 of the main muscle of prestressing force is traversing to be entered in through hole 10 by open slot 11.
Described adapter sleeve 1 can replace the effect of prior art end plates in stake, comprises prestressed reinforcement is carried out to stretch-draw, and as connecting elements, use when stake is connected with stake.
Below in conjunction with the operation of prestressed reinforcement being carried out to stretch-draw, the said structure of adapter sleeve 1 of the present utility model is further detailed.Time when prestressed reinforcement being carried out, first adapter sleeve 1 is arranged on the main muscle of prestressing force, concrete mounting means is: the first half 112 that the pier nose of the main muscle of prestressing force 31 is aimed to the open slot 11 of adapter sleeve 1, part below the pier nose of the main muscle of prestressing force is aimed to the latter half 113 of open slot 11, then whole by the traversing through hole 10 that enters adapter sleeve 1 of the main muscle 3 of prestressing force, wherein the pier nose 31 of the main muscle of prestressing force drops in bellmouth 102, the traversing third part that is shaped as cylindrical hole 103 that enters through hole 10 of part 32 below the pier nose of the main muscle of prestressing force, and be passed down through through hole 10.
And the other end of adapter sleeve 1, also with the cylindrical hole 104 of internal thread 101, for the stretch board 4 with tensioning equipment, be connected, concrete connected mode is as shown in Fig. 9-11: on above-mentioned stretch board 4, be provided with and the equal corresponding bolt hole 41 in the quantity of the main muscle 3 of above-mentioned prestressing force and position, then utilize bolt 2 to be connected with above-mentioned adapter sleeve 1 through above-mentioned bolt hole 41, thereby realize the connection of stretch board and the main muscle of prestressing force.
As shown in figure 11, bolt 2 comprises head 21 and bar portion 22, in above-mentioned bar portion 22, be provided with external screw thread, this external screw thread is identical with internal thread 101 specifications of the first of above-mentioned adapter sleeve 1, it is a pair of assembling screw thread, therefore bolt 2 can be screwed in the internal thread 101 of above-mentioned adapter sleeve 1, thereby links together with the cylindrical hole 104 of adapter sleeve 1.The diameter of the bolt hole 41 of above-mentioned stretch board 4 be less than above-mentioned bolt 2 head 21 diameter but be more than or equal to the diameter of above-mentioned bar portion 22, thereby can allow above-mentioned bar portion 22 through and stop that above-mentioned head 21 passes.
When carrying out tension operation, make the bar portion 22 of above-mentioned bolt 2 through the bolt hole 41 of above-mentioned stretch board 4, the bar portion 22 of bolt 2 is screwed in the cylindrical hole 104 of above-mentioned adapter sleeve 1, thereby realizes the connection of stretch board 4 and the main muscle 3 of prestressing force.The pulling force that just stretching machine can be produced by above-mentioned connection is delivered on the main muscle 3 of prestressing force, thereby realize, the main muscle 3 of prestressing force is carried out to stretch-draw.
In above preferred embodiment, it is the internal thread of adapter sleeve 1 and the externally threaded connected mode of bolt 2 bar portions 22 that adapter sleeve 1 adopts with bolt 2, certainly the two can also adopt other connected modes, such as, as shown in figure 12, on the outer wall of adapter sleeve 1, external screw thread is set, and bolt 2 bar portions 22 adopt hollow shape, its inwall arranges internal thread, and the inside that adapter sleeve 1 is screwed in to bolt 2 bar portions 22 connects.
In above preferred embodiment, the profile of adapter sleeve 1 is cylindrical, but also can adopt taper shape or global shape, is cylindrical and conical combination, and such as the first half of adapter sleeve 1 is cylindrical, the latter half is conical.
In above preferred embodiment, the hole 10 of adapter sleeve 1 inside is the through hole running through down vertically, the cylindrical hole 104 of Ye Ji first, second portion is to be roughly the bellmouth 102 of taper and the hole 103 of third part is communicated with, but in other embodiments, the cylindrical hole 104 of first only needs to have internal thread and is connected cooperation with following bolt 2, do not need the part below 10 with hole to be connected, but the hole of second portion and third part needs to be communicated with, because need to place heading 31 and need the part 32 below the main muscle pier nose of prestressing force to pass from hole 10.
In above preferred embodiment, the second portion in the hole 10 of adapter sleeve 1 inside is the bellmouth 102 that is roughly taper, its role is to hold the pier nose 31 of the main muscle 3 of prestressing force, but in other embodiments, the second portion in hole 10 can also be set to shape as shown in figure 13.Figure 13 is the sectional side elevation of another embodiment of adapter sleeve 1, and wherein along hole, 10 inwalls are provided with card platform 105, and pier nose 31 can integral body drop on card platform 105 like this.Certainly, compare with the inclined-plane of taper surface or bellmouth 102, pier nose 31 is relatively little with the contact surface of card platform 105, and pier nose 31 easily rocks, and while adopting above-mentioned bellmouth 102, pier nose can be contained in bellmouth 102 completely, so stability is better during stretch-draw.
Below in conjunction with of the present utility model, comprise that the production method of the prefabricated units of above-mentioned adapter sleeve is further detailed utility model.Pile tube take below as example, of the present utility modelly comprise that the production method of the pile tube of above-mentioned adapter sleeve mainly comprises the following steps:
(1) make reinforcing cage: the main muscle of the prestressing force after heading and stirrup welding are formed to reinforcing cage body, and wherein the main muscle of prestressing force is along the longitudinal direction setting of pile body;
(2) adapter sleeve is installed: on the above-mentioned end of processing through heading of the main muscle of prestressing force, adapter sleeve is installed, is specially along the open slot of this adapter sleeve the main muscle of prestressing force is imported in adapter sleeve, the heading of the main muscle of prestressing force is dropped in the bellmouth of adapter sleeve;
(3) concrete distributing: the above-mentioned reinforcing cage integral body that adapter sleeve has been installed is put into mould, carry out concrete distributing;
(4) prestressed stretch-draw: utilize bolt that the stretch board of tensioning equipment and the main muscle of prestressing force are linked together, be specially bolt shank through the (connected mode that comprises external screw thread and the internal thread on adapter sleeve inwall of bolt shank that is threaded with adapter sleeve of the hole on stretch board, and the internal thread of bolt hollow stem portion inwall and the externally threaded connected mode of adapter sleeve outer wall), stretch board and the main muscle of prestressing force are linked together, utilize tensioning equipment to carry out prestressed stretch-draw to the main muscle of prestressing force;
(5) centrifugal: whole punching block to be hung in and in centrifuge, carries out centrifugally, after centrifugal end, centrifugal remaining slurry and moisture content is out toppled over totally;
(6) maintenance: mould is put into curing pool carries out stream curing or autoclave is steam-cured, then carried out getting final product to obtain finished product after the demoulding.
Wherein, in stretching process, for the other end of the main muscle 3 of prestressing force, can adopt equally the stretch-draw assembly that comprises adapter sleeve 1 and hollow swivel nut 2 to be fixed on mould.
On concrete method for stretching, can utilize the mode of the integral tensions such as tensioning head method of the prior art or stretch-draw dish method, stretching machine is connected with stretch board, and then the main muscle of prestressing force is carried out to prestressed stretch-draw.
After stretch-draw step completes, above-mentioned adapter sleeve does not take out, but becomes a part of member of pile tube, proceeds other steps that pile tube is produced, until produce pile tube finished product.Therefore, above-mentioned adapter sleeve becomes a part for final pile tube finished product.That is to say, utilize the pile tube that the utility model generates out not contain end plate, but contain above-mentioned adapter sleeve of the present utility model.
In addition, in construction of prefabricated piles process, can also utilize above-mentioned adapter sleeve realize stake with between be connected, concrete grammar is as follows: for example three alignment pins are provided, described alignment pin is columniform rod iron or reinforcing bar, and at least one end of described alignment pin is provided with screw thread, and the threaded one end of this tool is screwed in the adapter sleeve in the first pile pile body, the other end that alignment pin is exposed to pile body is inserted in the adapter sleeve in the second pile pile body, thus realize stake with between be connected.
In addition, when being connected of pile body and cushion cap and building superstructure, can make adapter sleeve be connected the connection of use reinforcing bar with upper building by lengthening the adapter sleeve length of using in pile body, can reduce and fill out core.
The above is only the description to specific embodiment of the utility model.Although in above-mentioned specific embodiment, to take pile tube principle of the present utility model and technique effect to be described as concrete example, but those skilled in the art should recognize, the technical solution of the utility model is equally applicable to other similar prestressed concrete members, such as square pile etc.Because identical with pile tube, the manufacture process of prestress square pile comprises steps such as making reinforcing cage, cloth matched moulds, prestressed stretch-draw, centrifugal, maintenance and high-pressure steaming and cultivating equally.And, the main muscle of the prestressing force of square pile to be carried out in the process of stretch-draw, prior art need to arrange the power that end plate transmits stretching machine equally.Therefore for manufacture need to be in member prestressed reinforcement or main muscle carry out stretch-draw prefabricated units (such as square pile, pile tube and U-shaped sheet pile etc.), adopt the technical solution of the utility model, all can solve the problems of the technologies described above.
In sum, the foregoing is only specific embodiment of the utility model, but the utility model is not limited thereto, the variation that any those skilled in the art can think, all should drop in protection domain of the present utility model.
Claims (11)
1. the adapter sleeve for prefabricated units, it is characterized in that, described adapter sleeve (1) has hole (10) on it is axial, described adapter sleeve (1) is provided with external screw thread or at least a portion of described hole (10), has internal thread (101) on outer wall, and described hole (10) also comprise that one section is shaped as the bellmouth (102) of taper or has the Ka Tai (105) arranging along described hole (10) inwall; And, on the sidewall of described adapter sleeve (1), be also provided with the open slot (11) extending in described hole (10), and described open slot (11) is passed down through the bottom of described adapter sleeve (1).
2. adapter sleeve as claimed in claim 1, is characterized in that, described adapter sleeve (1) appearance integral is cylindrical or conical, or the first half is that cylindrical, the latter half is for conical.
3. adapter sleeve as claimed in claim 1, is characterized in that, described open slot (11) comprises upper and lower two parts, the cross sectional shape of the first half (112) of wherein said open slot (11) be four jiaos with fillet and be with rectangle jaggy.
4. adapter sleeve as claimed in claim 1, it is characterized in that, described hole (10) is the through hole (10) axially running through along adapter sleeve (1), and described through hole (10) at least comprises two parts from top to bottom: the first of described through hole (10) is provided with internal thread (101); The second portion of described through hole (10) is bellmouth (102).
5. adapter sleeve as claimed in claim 4, is characterized in that, described through hole (10) also comprises third part, and the third part of described through hole (10) is positioned at the bottom of described second portion, and cross section is notched circular port or semi-circular hole (103).
6. adapter sleeve as claimed in claim 4, is characterized in that, the first of described through hole (10) is shaped as cylindrical hole (104).
7. adapter sleeve as claimed in claim 4, is characterized in that, between the first of described through hole (10) and second portion, is also provided with platform (14).
8. adapter sleeve as claimed in claim 1, is characterized in that, the upper end of described adapter sleeve (1) is for being fixed connection with tensioning equipment.
9. adapter sleeve as claimed in claim 8, it is characterized in that, the upper end of described adapter sleeve (1) is for being connected with the stretch board (4) on described tensioning equipment, wherein, on described stretch board (4), be provided with bolt hole (41), bolt (2) is threaded with described adapter sleeve (1) through above-mentioned bolt hole (41).
10. prefabricated units, is characterized in that, the adapter sleeve described in arbitrary claim (1) in claim 1-9 is installed in described prefabricated units.
11. prefabricated units as claimed in claim 10, is characterized in that, described prefabricated units are pile tube or square pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683654.XU CN203514301U (en) | 2013-11-01 | 2013-11-01 | Connection sleeve and prefabricated part comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683654.XU CN203514301U (en) | 2013-11-01 | 2013-11-01 | Connection sleeve and prefabricated part comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203514301U true CN203514301U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320683654.XU Expired - Lifetime CN203514301U (en) | 2013-11-01 | 2013-11-01 | Connection sleeve and prefabricated part comprising same |
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| Country | Link |
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| CN (1) | CN203514301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556624A (en) * | 2013-11-01 | 2014-02-05 | 建华建材（中国）投资有限公司 | Connecting sleeve, prefabricated part comprising same as well as production method and connecting method thereof |
-
2013
- 2013-11-01 CN CN201320683654.XU patent/CN203514301U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556624A (en) * | 2013-11-01 | 2014-02-05 | 建华建材（中国）投资有限公司 | Connecting sleeve, prefabricated part comprising same as well as production method and connecting method thereof |
| CN103556624B (en) * | 2013-11-01 | 2016-02-24 | 建华建材（中国）投资有限公司 | Adapter sleeve, to produce and method of attachment containing the prefabricated units of this adapter sleeve and prefabricated units |
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