CN201343786Y - Reinforced concrete preformed unit connecting device - Google Patents
Reinforced concrete preformed unit connecting device Download PDFInfo
- Publication number
- CN201343786Y CN201343786Y CNU2008201998937U CN200820199893U CN201343786Y CN 201343786 Y CN201343786 Y CN 201343786Y CN U2008201998937 U CNU2008201998937 U CN U2008201998937U CN 200820199893 U CN200820199893 U CN 200820199893U CN 201343786 Y CN201343786 Y CN 201343786Y
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- China
- Prior art keywords
- reinforcing bar
- steel strand
- guide
- reinforced concrete
- channel section
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Abstract
The utility model relates to a reinforced concrete preformed unit connecting device; the connection end surfaces of two reinforced concrete preformed units are respectively provided with at least two groups of upper pin sleeves (1) and lower pin sleeves (2), and an inserted pin (3) is adopted to be connected with the upper pin sleeves (1) and the lower pin sleeves (2) in a pin connection way or other mechanical connection ways, so that the two reinforced concrete preformed units are connected with each other into a whole body; and the upper and the lower pin sleeves are provided with a reinforced bar or a steel twisted wire tightening structure (7). The reinforced concrete preformed unit connecting device has the advantages of economic and convenient on-site construction, convenient and rapid installation, good connection strength, corrosion resistance, and strong cutting and tensile resistance capacity. When the reinforced concrete preformed unit connecting device is applied to the connection of the base piles, the earthquake prevention capacity of the buildings can be greatly improved.
Description
Technical field:
The utility model belongs to the connecting apparatus of reinforced concrete precast member structure, especially linkage technical field of structures between architecture foundation pile, the post.
Background technology:
The connecting apparatus of reinforced concrete precast member structure of existing structure, especially the structure that connects between architecture foundation pile, the post, adopt all is to carry out field Welding or other mechanism's connected mode connection between two foundation pile end plates, and welding is to be centered around the groove at end plate edge to carry out built-up welding, this weld seam is that comparison sheet is shallow after all, and the high temperature of arc welding can cause bigger damage to the concrete structure of prefabricated units in the welding process.And at the scene in the construction link, construction speed has influence on construction quality sometimes; Foundation pile is after implanting the stratum, no matter the ground layer soil body is inclined to one side alkali or meta-acid, that have or even highly basic or strong acid, in without what years, weld seam between the two foundation pile end plates is subjected to producing corrosion after the corrosion of alkali or acid, even end plate itself also produces corrosion, makes being rigidly connected of two foundation piles progressively impaired, lose intensity, cause very large recessive potential safety hazard to building.Especially on antidetonation, the weld seam of sealing-off corrosion or even complete cause catastrophic consequence can for the building room.On structure, adopt two butt welding to connect, all undesirable for counter-bending, the anti-shearing and stretch-proof ability of two foundation pile connecting portions, if meet foundation settlement or other is improper structural stressed, one circle weld seam can not be resisted at all, and building must suffer damage.
Though existing other mechanical connection manner can overcome some above-mentioned deficiencies, because its linkage cost is too high, connected mode is complicated and be connected inadequate natural endowments such as consuming time, is very difficult to popularization.Although recognizing already at concrete prefabricated element, engineers and technicians adopt the security performance influence that is welded to connect building itself very big, so far comparatively economic, the convenient solution of neither one.
Summary of the invention:
The purpose of this utility model is just in order to overcome existing reinforced concrete precast member syndeton, especially the above-mentioned defective that the syndeton technology exists between architecture foundation pile, the post and a kind of economy, quick is provided, be convenient to site operation, bonding strength is good, corrosion resistance is strong, tension, anti-shearing force are big, can solve the shearing resistance of concrete prefabricated element seam tension preferably, the connecting apparatus of reinforced concrete precast member of potential safety hazard such as corrosion-resistant.
The purpose of this utility model is achieved by the following technical solution:
The utility model is embedded with respectively at two reinforced concrete precast members connection end faces and is no less than two groups guide up and down, adopt a latch and last guide and downside pin to pack into marketing and connect or other mechanical connection manner is connected, two reinforced concrete precast members are linked into an integrated entity; Upper and lower guide is provided with reinforcing bar or steel strand connect fastening structure.
Guide of the present utility model is a metal material, also can use tensile strength and anti-shearing force strong, corrosion resistant other nonmetals;
The structure of last guide is: whole shank divides internal thread channel section and reinforcing bar or steel strand interface channel section, is provided with an annular groove in the internal thread channel section; Reinforcing bar or steel strand interface channel section are provided with reinforcing bar or steel strand fastening structure;
The structure of latch is: it comprises the plug section of external thread section, necking segment and bullet; External thread section cooperates with the internal thread channel section of last guide; Be provided with a locking inclined-plane in necking segment and plug section joint, when the plug section of latch and guide pin joint, adopt the locking pellet shot from a slingshot to slip into annular groove and make it to form the connection of locking type latch;
The structure of following guide is: identical with the structure of last guide, but guide is as with the plug section pin joint of latch the time instantly, and its internal thread channel section can be set to the channel section of smooth inner wall.
Reinforcing bar of the present utility model or steel strand syndeton are put into the notch of reinforcing bar or steel strand connection for offer one on reinforcing bar or steel strand interface channel section, are provided with a counter sink at the notch tail end;
Reinforcing bar of the present utility model or steel strand fastening structure also can be reinforcing bar or steel strand interface channel section and are set to be with externally threaded tapered opening to bore the fancy fastening structure, and are provided with a clamp nut and are mated;
Reinforcing bar of the present utility model or steel strand connect fastening structure and also can be reinforcing bar or steel strand interface channel section and be set to inwall and have a type conical bench, and be provided with chock, insert chock by reinforcing bar or steel strand are connected when drop-down, make reinforcing bar or steel strand connect heading and be locked in type conical bench.
The utility model annular groove is circular arc or triangle.
Guide is circular cylinder or polygon cylinder with following guide on the utility model.
The beneficial effects of the utility model are, owing to adopted the syndeton of latch and guide, linkage is both economical, be convenient to site operation, quick and easy for installation, bonding strength is good, corrosion-resistant, anti-shearing strong with the stretch-proof ability, connect if apply to foundation pile, can increase substantially the ability of providing fortification against earthquakes of building.
Further set forth the utility model content below in conjunction with Figure of description and embodiment.
Description of drawings:
Fig. 1 is that the utility model embodiment one structure is installed the combination schematic diagram;
Fig. 2 is a trough of belt mouth guide structural representation;
Fig. 3 is that the A of Fig. 2 is to view;
Fig. 4 is a tapered bur fancy fastening structure guide schematic diagram;
Fig. 5 is that the B of Fig. 4 is to view;
Fig. 6 is that embodiment three structures are installed the combination schematic diagram.
Concrete mode: see Fig. 1, Fig. 2, Fig. 3, the utility model two reinforced concrete precast members connect end faces be embedded with respectively be no less than two groups on guide 1 and following guide 2, adopt a latch 3 to carry out pin joint with following guide 2 or other mechanical connection manner is connected, two reinforced concrete precast members are linked into an integrated entity with last guide 1; Upper and lower guide is provided with reinforcing bar or steel strand fastening structure 7.
Guide 1 is a metal material with following guide 2 on the utility model, also can use tensile strength and anti-shearing force strong, corrosion resistant other nonmetals;
The structure of guide 1 is: whole shank divides internal thread hollow channel section 4 and reinforcing bar or steel strand interface channel section 5, is provided with an annular groove 6 in internal thread channel section 4; Reinforcing bar or steel strand interface channel section 5 are provided with reinforcing bar or steel strand fastening structure 7;
The structure of latch 3 is: it comprises the plug section 10 of external thread section 8, necking segment 9 and bullet; External thread section 8 cooperates with the internal thread channel section 4 of last guide 1; Be provided with a locking inclined-plane 11 in necking segment 9 and plug section 10 joints, when the plug section 10 of latch 3 and guide pin joint, adopt locking pellet shot from a slingshot 12 to slip into annular groove 6 and make it to form the connection of locking type pin;
The structure of following guide 2 is: identical with the structure of last guide 1, but guide 2 is as with plug section 10 pin joints of latch 3 time instantly, and its internal thread channel section 4 can be set to the channel section of smooth inner wall.
The utility model reinforcing bar or steel strand fastening structure 7 are put into the notch 13 of reinforcing bar or steel strand connection for offer one on reinforcing bar or steel strand interface channel section 5, are provided with a counter sink 14 at notch 13 tail ends;
The utility model reinforcing bar or steel strand connect fastening structure 7 and also can be and be set to be with externally threaded tapered opening to bore the fancy fastening structure reinforcing bar or steel strand interface channel section 5, and are provided with a clamp nut 19 and are mated.
The utility model reinforcing bar or steel strand fastening structure 7 also can be and reinforcing bar or steel strand interface channel section 5 are set to inwall have a type conical bench 15, and be provided with chock 16, insert chock 16 by reinforcing bar or steel strand are connected when drop-down, make reinforcing bar or steel strand connect heading and be locked in type conical bench 15.
The utility model annular groove 6 is circular arc or triangle.
Guide 1 is circular cylinder or polygon cylinder with following guide 2 on the utility model.
Though the utility model is above, the downside pin cover is described, do not get rid of the structure that connects in left and right or forward and backward mode; The utility model also is applicable in other prefabricated units the linkage as two prefabricated units fully except that architecture foundation pile.
Concrete connected mode of the present utility model is: embodiment is just like Fig. 1, Fig. 2, Fig. 3, generally select the metal forging for use or wait other intensity preferred metal material or nonmetals as the material of last guide 1 with following guide 2 and latch 3, also generally select the basic configuration of cylindrical structure for use as last guide 1 and following guide 2 and latch 3; Certainly, also can select the polygon column structure for use fully; Following guide 2 is as with plug section 10 pin joints of latch 3 time, though its internal thread channel section 4 can be set to the channel section of smooth inner wall, but for the convenience of producing and installing, usually it is identical with following guide 2 structures to go up guide 1, installation personnel only adopts a kind of guide at the construction field (site), both as last guide 1, also guide 2 under the conduct had been simplified installation process greatly.
In precast member for reinforcing bar concrete connects, production and construction with pretensioned prestressing pile tube or hollow square pile are connected to example, as Fig. 1, connection end face at upper and lower two architecture foundation piles 17,18, with regard to the pre-buried the utility model linkage that is no less than two groups, each group comprises a latch 3 and last guide 1 and following guide 2 when making prefabricated units.According to the cross section size of foundation pile, be chosen in the foundation pile end face usually and arrange the pre-buried two groups of linkages that are no less than, pre-buried be positioned at top foundation pile 17 end faces be called guide 1, guide 2 under being called of foundation pile 18 end faces below pre-buried being positioned at; Latch 3 and locking pellet shot from a slingshot 12 are that install and use at the installation personnel scene of constructing at the construction field (site) when being connected.The pre-buried guide and the reinforcing bar of prefabricated units are and connect one to one, and the reinforcing bar fastening structure 7 that is provided with on the prestressed reinforcement interface channel section 5 connects prestressed reinforcements; Specifically connected mode is, the heading of prestressed reinforcement is put into counter sink 14, and prestressed reinforcement is along going into reinforcing bar mouth of connecting trough 13, and heading plays fastening effect.With pre-buried last guide 1 or down guide 2 be connected with tensioning equipment by internal thread, the transfer function by guide 1 or guide 2 applies prestressing force to main muscle.
In two foundation pile connection procedures, after being positioned at the foundation pile 18 implantation ground of below, top foundation pile 17 is sling relative by lifting machine with below foundation pile 18 connection end faces, the constructor screws in the internal thread channel section 4 of going up guide 1 with the external thread section 8 of latch 3, again the plug section 10 of latch 3 is aimed at the following guide 2 of below foundation pile 18, place several at 11 places, locking inclined-plane of plug section 10 joints when inserting guide and lock pellets shot from a slingshot 12, insert down then, the locking pellet shot from a slingshot relies on locking inclined-plane 11 to slip in the annular locking groove 6 of guide 2 down when inserting down by necking segment 9, plays the locking effect.Annular locking groove 6 can adopt circular arc or triangle, so that the screens of locking pellet shot from a slingshot.
Embodiment two sees Fig. 4, Fig. 5, reinforcing bar that is provided with on reinforcing bar or the steel strand interface channel section 5 or steel strand fastening structure 7 also are set to be with externally threaded tapered opening to bore the fancy fastening structure reinforcing bar or steel strand interface channel section 5, and are provided with a clamp nut 19 and are mated.This opening brill fancy fastening structure is the cylinder with some lobes; Before pre-buried guide, utilize tapered opening to bore the fancy fastening structure and insert reinforcing bar or steel strand, screw clamp nut 19, just fixed reinforcing bar or steel strand.Other connected mode is identical with embodiment one.
Embodiment three sees Fig. 6, reinforcing bar that is provided with on reinforcing bar or the steel strand interface channel section 5 or steel strand fastening structure 7 also are set to the cylindrical shell that inwall has a type conical bench 15 with reinforcing bar or steel strand interface channel section 5, and be provided with metal chock 16, insert chock 16 by reinforcing bar or steel strand are connected when drop-down, make reinforcing bar or steel strand connect heading and be locked in type conical bench 15.Two prefabricated component connected modes are identical with embodiment one then.
Present embodiment guide 1,2 all adopts seamless steel pipe.In steel pipe, process groove 6 and type conical bench 15 respectively.
Claims (8)
1, connecting apparatus of reinforced concrete precast member, it is characterized in that, two reinforced concrete precast members connect end faces be embedded with respectively be no less than two groups on guide (1) and following guide (2), adopt a latch (3) to carry out pin joint with following guide (2) or other mechanical connection manner is connected, two reinforced concrete precast members are linked into an integrated entity with last guide (1); Upper and lower guide is provided with reinforcing bar or steel strand fastening structure (7).
2, connecting apparatus of reinforced concrete precast member according to claim 1 is characterized in that, last guide (1) is a metal material with following guide (2);
The structure of last guide (1) is: whole shank is tapped hollow channel section (4) and reinforcing bar or steel strand interface channel section (5); Reinforcing bar or steel strand fastening structure (7) are arranged on reinforcing bar or the steel strand interface channel section (5);
The structure of latch (3) is: it comprises the plug section (10) of external thread section (8), necking segment (9) and bullet; External thread section (8) cooperates with the tapped hollow channel section of last guide (1) (4); Be provided with a locking inclined-plane (11) in necking segment (9) and plug section (10) joint, when the plug section (10) of latch (3) and guide pin joint, adopt locking clamp (12) to slip into annular groove (6) and form locking state, upper and lower guide and latch are locked naturally form to sell to be connected;
The structure of following guide (2) is: whole shank divides not tapped hollow channel section (4) to be connected interface channel section (5) with reinforcing bar or steel strand, is provided with an annular groove (6) in not tapped hollow channel section (4); Reinforcing bar or steel strand fastening structure (7) are set on reinforcing bar or steel strand interface channel section (5).
3, connecting apparatus of reinforced concrete precast member according to claim 1, it is characterized in that, last guide (1) is identical with the structure of following guide (2), be that whole shank divides tapped hollow channel section (4) and reinforcing bar or steel strand interface channel section (5), in tapped hollow channel section (4), be provided with an annular groove (6); On reinforcing bar or steel strand connection interface channel sections (5), reinforcing bar or steel strand fastening structure (7) are set.
4, according to claim 1 or 2 or 3 described connecting apparatus of reinforced concrete precast member, it is characterized in that, reinforcing bar or steel strand fastening structure (7) are put into the notch (13) of reinforcing bar or steel strand connection for offer one on reinforcing bar or steel strand interface channel section (5), are provided with a counter sink (14) at notch (13) tail end.
5, connecting apparatus of reinforced concrete precast member according to claim 1 and 2, it is characterized in that, reinforcing bar or steel strand fastening structure (7) bore the fancy fastening structure for reinforcing bar or steel strand interface channel section (5) being set to be with externally threaded tapered opening, and are provided with a clamp nut (19) and are mated.
6, connecting apparatus of reinforced concrete precast member according to claim 2, it is characterized in that, reinforcing bar or steel strand fastening structure (7) have a type conical bench (15) for reinforcing bar or steel strand interface channel section (5) are set to inwall, and be provided with chock (16), insert chock (16) by reinforcing bar or steel strand are connected when drop-down, make reinforcing bar or steel strand connect heading and be locked in type conical bench (15).
7, connecting apparatus of reinforced concrete precast member according to claim 2 is characterized in that, annular groove (6) is circular arc or triangle.
8, connecting apparatus of reinforced concrete precast member according to claim 1 is characterized in that, last guide (1) is circular cylinder or polygon cylinder with following guide (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201998937U CN201343786Y (en) | 2008-12-09 | 2008-12-09 | Reinforced concrete preformed unit connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201998937U CN201343786Y (en) | 2008-12-09 | 2008-12-09 | Reinforced concrete preformed unit connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201343786Y true CN201343786Y (en) | 2009-11-11 |
Family
ID=41275367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201998937U Expired - Fee Related CN201343786Y (en) | 2008-12-09 | 2008-12-09 | Reinforced concrete preformed unit connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201343786Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790236A (en) * | 2014-02-17 | 2014-05-14 | 王睿敏 | Connecting piece for connecting reinforced concrete members, manufacturing method of connecting piece and construction method |
| CN105350640A (en) * | 2015-11-19 | 2016-02-24 | 李全民 | A machinery connecting device between assembly type concrete prefabricated units and an operation method |
| CN105735484A (en) * | 2015-12-28 | 2016-07-06 | 上海建工五建集团有限公司 | Vertical prefabricated component connecting structure and construction method thereof |
-
2008
- 2008-12-09 CN CNU2008201998937U patent/CN201343786Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790236A (en) * | 2014-02-17 | 2014-05-14 | 王睿敏 | Connecting piece for connecting reinforced concrete members, manufacturing method of connecting piece and construction method |
| CN105350640A (en) * | 2015-11-19 | 2016-02-24 | 李全民 | A machinery connecting device between assembly type concrete prefabricated units and an operation method |
| CN105735484A (en) * | 2015-12-28 | 2016-07-06 | 上海建工五建集团有限公司 | Vertical prefabricated component connecting structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20101209 |