CN101949149B - Built-in mechanical quick coupling device for prestressed concrete tubular pile - Google Patents
Built-in mechanical quick coupling device for prestressed concrete tubular pile Download PDFInfo
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- CN101949149B CN101949149B CN2010102843189A CN201010284318A CN101949149B CN 101949149 B CN101949149 B CN 101949149B CN 2010102843189 A CN2010102843189 A CN 2010102843189A CN 201010284318 A CN201010284318 A CN 201010284318A CN 101949149 B CN101949149 B CN 101949149B
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- rotating disk
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Abstract
The invention relates to a built-in mechanical quick coupling device for a prestressed concrete tubular pile, comprising butt plates of an upper stake and a lower stake. The device is characterized by comprising an internal gear rotary table with a circle of inner gears, which is located at an intermediate layer of the coupling device after being connected; the bottom surface of the internal gear rotary table is in approach connection to an upper end plate of the lower stake, the upper surface of the internal gear rotary table is in contact with a lower end plate of the upper stake; in addition, the device is provided with a plurality of gear locking eccentric shafts, each gear locking eccentric shaft is composed of a gear shaft, a locking eccentric wheel or an eccentric block; the device is further provided with a discal support for positioning and mounting the gear locking eccentric shafts and two end plate reinforcing rings respectively in firm joint with the inner surface of the upper end plate and the lower end plate; and a circle of reserved locking space is formed between the end plate reinforcing rings and the inner surface of the end plates. The internal gear rotary table can be turned to drive the gear shaft of the gear locking eccentric shaft to turn synchronously and cause the locking eccentric wheel or the eccentric block to rotate to the preset reserved locking space to clamp and lock the end plates of the upper tubular pile and the lower tubular pile to complete connection. The device of the invention features in simple structure, convenient construction, high operation efficiency, high tensile strength and lower construction cost compared with like products, and the cost can be saved by nearly 50% of reduced.
Description
(1) technical field
The present invention relates to the MACHINERY JOINT in the prestressed concrete pipe pile construction in the construction work, is a kind of built-in mechanical quick coupling device that is used for prestressed concrete pipe pile concretely.
(2) background technology
Prestressed concrete pipe pile generally uses in China's construction project work progress at present, is indispensable construction material, and it is widely used in the communal facilitys such as heavy construction, station, harbour, bridge, for the construction industry development of China has been brought into play important function.Yet very fast development along with builing industry; The growing tension of land use; Present most of semi-high-rise housings house or large public building facility must be built basement engineering; Therefore prestressed concrete resistance to plucking pile tube becomes more important, but artificial welding is all adopted in the connection of traditional prestressed concrete resistance to plucking pile tube, and well-known artificial the welding is a technical skilled worker of having relatively high expectations; Several factors in the welding process all can cause welding quality not reach technical requirements and directly influence the pile tube quality of connection, at present pile tube adopt welding method connect existing serious drawback mainly embody following some:
A. weld interval long, need 30 minutes approximately at every turn.
B. can not carry out welding procedure in the rainy day.
C. welding back chance water generates is hardened, and is prone to produce mashed stake.
D. poor mechanical property is not the whole end face welding of stake during owing to welding two piles, and just welds a circle at the edge of stake, so the pile extension performance after being difficult to guarantee to weld.
E. carrying out flaw detection is only carried out to 10% weld in the welding back, and all the other joints of 90% do not detect, and certainly exist hidden danger of quality.
Above-mentioned because of adopting welding method to connect the drawback that causes for overcoming, the someone designs a kind of gear shaping formula pile tube mechanical connecting joint.The structure of this joint is to preset several pin holes through the end plate of joint up and down in the connected tube stake; Fastening spring is housed in the hole; Install with the latch alignment pins hole of several band dentations then and accomplish connection, the unfavorable factor of its existence has: because of poor to neutrality, site operation is inconvenient; Pile body verticality control difficulty is big, and low strain detecting (being pile integrity detection) is difficult to up to standard.For overcoming above drawback, the applicant once designed a kind of " prestressed concrete pipe pile mechanical whorl joint ", and (patent No.: ZL03248946.3), this patent joint is by connecting end plate, screw thread end plate, being positioned at members such as the tapering centering body that connects on end plate and the screw thread end plate and shell-like attaching nut and forming; Have easy construction, adopt tapering centering, the centering performance is good; Employing is threaded, and on-the-spot connection speed is fast, steady quality; Extraction-resistant behavior is superior; Can guarantee that low strain detecting is up to standard, detect that each item performances such as stress performance of stake all can satisfy national existing standard requirement behind the pile extension through quality testing department.The shortcoming that exists is that member processing cost is high.
At present; National correlation department is attached great importance to the construction quality problem that adopts prestressed concrete resistance to plucking pile tube; Successively put into effect some directive documents and relevant criterion; Requirement is adopted mechanical connection in prestressed concrete pipe pile, resistance to plucking pile tube connect, develop therefore that a kind of extraction-resistant behavior is superior, easy construction, prestressed concrete resistance to plucking pile tube mechanical connecting joint simple in structure and lower cost be imperative.
(3) summary of the invention
The purpose of this invention is to provide a kind of built-in mechanical quick coupling device that is used for prestressed concrete pipe pile, make that not only to have extraction-resistant behavior superior, easy construction, and have characteristics simple in structure, with low cost.
The present invention realizes with following technical scheme, and this built-in mechanical quick coupling device still comprises up and down two end plates (claiming end plate again) with pipe joint stake up and down (promptly with joint) up and down termination Joint, and its technical characterictic is also to comprise:
A, has an internal tooth rotating disk (being equivalent to the locking nut purposes); Promptly in the middle of this internal tooth rotating disk, be with a circle internal tooth, after the connection, it is the position, intermediate layer that is in whole piecing devices; Its bottom surface; Promptly descend card to abut against down on upper end (head) plate of joint stake, its upper surface, promptly upper disk surface is to contact with lower end (head) plate of last joint stake;
B, have several gears locking camshafts (claiming skew gear lock mandrel again), each camshaft is to be made up of gear shaft part that can be meshed with the internal tooth of internal tooth rotating disk and the locking eccentric wheel (or eccentric block) that is distributed in the gear shaft two ends;
C, have one be used for location and installation (positioning support) gear locking camshaft plate-like support (as the positioning supporting part of gear camshaft);
D, have up and down two and be fixed in the end plate fixing collar on (table) face in the end plate up and down respectively; And the space was locked in required reservation when formation one circle was used for gear locking camshaft steering lock between (table) face in end plate fixing collar and end plate after affixed, and this end plate fixing collar should be with regard to affixed (welding) interior (table) face at end plate before pile tube is poured into a mould.
When connecting construction; Rotate the internal tooth rotating disk, but the gear shaft of its internal gear driven gear locking camshaft rotate synchronously and let the locking eccentric wheel (or eccentric block) of gear shaft two ends also rotate to setting reservation locking space so that its two-way chucking live (locking) up and down the end plate of 2-section pipe stake with the completion connection.
The present invention in the specific implementation, its above-mentioned technical characterictic can further be specially:
One, the locking eccentric wheel (or eccentric block) of said gear locking camshaft two ends is to process the structure (longitudinal profile is cone structure) that has the slope; The purpose of processing the ramped shaped structure is: when carrying out gear locking camshaft steering lock, let locking eccentric wheel (or eccentric block) can change the locking space that (entering) reserved smoothly over to.
Two, offer the spill mounting groove (open slot) that some evenly (or symmetries) distribute at the edge of said plate-like support, said gear locking camshaft be equably location and installation in each spill mounting groove.
Three, the card at said internal tooth rotating disk evenly offers some arc-shaped slots; In each arc-shaped slot, lay ball; Lay the ball with thrust bearing effect, purpose is the frictional resistance that alleviates when rotating internal tooth rotating disk driven gear locking camshaft steering lock.
Four, offer open slot in the outer of internal tooth rotating disk in addition, withhold the internal tooth dial rotation with special-purpose (spanner) instrument of convenient employing and make the locking action of rotation synchronously with driven gear locking camshaft.
Operating principle of the present invention be connected work progress and be:
At first the end plate fixing collar that processes affixed (welding) (promptly is welded on the surface, internal diameter edge near end plate) behind interior (table) face of end plate and carries out cement casting; And be that gear is locked steering lock (work) space under the locking eccentric wheel reservation on the camshaft (the gear lock mandrel squints) when connecting, adopt the affixed tensile strength that also can improve end plate of end plate fixing collar.When a root canal pile is driven into apart from ground about one meter height; With the internal tooth rotating disk in this quick coupling device; Gear locking camshaft, and plate-like support members such as (gear lock mandrel support promptly squint) assembles on the central link position that is placed on this pile tube end plate (fixing).After accomplishing above-mentioned preparatory process; Hanging in the connected tube stake with crane aims at after this joint member central authorities installed keep steady; Fasten with special tool (for prior art) that clockwise direction rotates the internal tooth rotating disk to the angle position of setting in the outer open slot of internal tooth rotating disk, make hide put its inner several gears locking camshafts (skew gear lock mandrel) rotate to synchronously the angle of setting can be smoothly with the band slope lock up and down locking working space that eccentric wheel is transferred to reservation make its two-way chucking (locking) promptly accomplished about the connection of pipe joint stake.
Compare with prior art; Because the present invention adopts the gear rotation flowing mode; With the Quick Connect Kit member that is hidden in pile tube endoporus central authorities, promptly by the fixing gear locking camshaft of plate-like support, fluted disc in rotating; Drive the reservation locking space that the gear locking camshaft of hiding rotates to setting synchronously, reach the best effect that connects.Have simple in structure, easy construction, work efficiency is high, tensile strength is high, construction cost is lower than like product (escapable cost nearly 50%).In addition, utilize the end plate fixing collar before the pile tube cast, be welded near the inside diameter surface of end plate on also favourable pile end board to link position reinforce, improve its intensity and extraction-resistant behavior.
(4), description of drawings
Fig. 1 is the structural representation that a kind of whole assembling of the present invention is connected with installation.
Fig. 2 is the structural representation of piecing devices main part assembly of the present invention.
Fig. 3 is the structural representation of internal tooth rotating disk component of the present invention.
Fig. 4 is the side structure sketch map (left view of Fig. 3) of internal tooth rotating disk component.
Fig. 5 is the part drawing of gear locking camshaft.
Fig. 6 is the structural representation of end plate fixing collar.
Fig. 7 is the structural representation of plate-like support component.
Fig. 8 is the vertical view (structural representation) of Fig. 7.
(5) specific embodiment
Can know that with reference to accompanying drawing the concrete component of this quick coupling device of the present invention comprise: 1～internal tooth rotating disk, 2～gear locking camshaft (claiming skew gear lock mandrel again); 3～plate-like support (as the positioning supporting part of gear camshaft), 4～end plate fixing collar (cross section is " one " type structure), 5～upper end plate; 6～required reservation is locked the space, 7～upward pipe joint stake, 8～lower end plate when being used for gear locking camshaft steering lock; 9～following pipe joint stake, 10～ball, 11～be used to lay the arc-shaped slot of ball; 12～open slot, the interior toothed portion of 13～internal tooth rotating disk, the gear shaft part of 14～gear locking camshaft (with the internal tooth engagement of internal tooth rotating disk); Locking eccentric wheel (or eccentric block) part of 15～gear locking camshaft; 16～lock eccentric slope, 17～be distributed on the spill mounting groove (can be provided with 4-8, be used for location and installation gear locking camshaft) on the plate-like support.
With reference to accompanying drawing, this built-in mechanical quick coupling device that is used for prestressed concrete pipe pile of the present invention still comprises up and down two end plates (claiming end plate again) 5,8 with pipe joint stake termination up and down (promptly a joint termination) up and down Joint, it is characterized in that also comprising:
A, has an internal tooth rotating disk 1 (being equivalent to the locking nut purposes); Promptly in the middle of this internal tooth rotating disk, be with a circle internal tooth, after the connection, it is the position, intermediate layer that is in whole piecing devices; Its bottom surface; Promptly descend card to abut against down on the upper end plate 5 of pipe joint stake 9, its upper surface, promptly upper disk surface is to contact with the lower end plate 8 of last pipe joint stake 7;
B, have several (like 4--8) gears locking camshafts 2, each gear locking camshaft is to be made up of gear shaft part 14 that can be meshed with the internal tooth of internal tooth rotating disk 1 and the locking eccentric wheel (or eccentric block) 15 that is distributed in the gear shaft two ends;
C, have one be used for location and installation (positioning support) gear locking camshaft 2 plate-like support 3 (as the positioning supporting part of gear camshaft);
D, have up and down two and be fixed in the end plate fixing collar 4 on (table) face in the end plate up and down respectively; And space 6 was locked in required reservation when formation one circle was used for gear locking camshaft steering lock between (table) face in end plate fixing collar and end plate after affixed, and this end plate fixing collar should be with regard to affixed (welding) interior (table) face at end plate before pile tube is poured into a mould.
When connecting construction; Rotate the internal tooth rotating disk, but the gear shaft of its internal gear driven gear locking camshaft rotate synchronously and let the locking eccentric wheel (or eccentric block) of gear shaft two ends also rotate to setting reservation locking space so that its two-way chucking live (locking) up and down the end plate of 2-section pipe stake with the completion connection.
During practical implementation, technical characterictic of the present invention can further be specially:
One, the locking eccentric wheel (or eccentric block) the 15th of said gear locking camshaft 2 two ends is processed the structure (longitudinal profile is cone structure) that has slope 16; The purpose of processing the ramped shaped structure is: when carrying out gear locking camshaft 2 steering locks, let locking eccentric wheel (or eccentric block) 15 can change the locking space 6 that (entering) reserved smoothly over to.
Two, offer the spill mounting groove (for open slot) 17 that some evenly (or symmetries) distribute at the edge of said plate-like support 3, said gear locking camshaft 2 be equably location and installation in each spill mounting groove 17.
Three, the card at said internal tooth rotating disk 1 evenly offers some arc-shaped slots 11; In each arc-shaped slot, lay ball 10; Lay the ball with thrust bearing effect, purpose is the frictional resistance that alleviates when rotating internal tooth rotating disk driven gear locking camshaft steering lock.
Four, offer open slot 12 in the outer of internal tooth rotating disk 1 in addition, withhold the internal tooth dial rotation with special-purpose (spanner) instrument of convenient employing and make the locking action of rotation synchronously with driven gear locking camshaft.
Operating principle of the present invention be connected work progress (summary) as previously mentioned
Of the present invention do not state the part identical with prior art.
Claims (5)
1. built-in mechanical quick coupling device that is used for prestressed concrete pipe pile, this device comprise up and down two with the end plate of pipe joint stake termination Joint (5,8) up and down, it is characterized in that also comprising:
A, has an internal tooth rotating disk (1); In the middle of this internal tooth rotating disk, be with a circle internal tooth, after the connection, the internal tooth rotating disk is the position, intermediate layer that is in whole piecing devices; Said internal tooth rotating disk (1) bottom surface; Promptly descend card to abut against down on the upper end plate (5) of pipe joint stake (9), said internal tooth rotating disk (1) upper surface, promptly upper disk surface is to contact with the lower end plate (8) of last pipe joint stake (7);
B, have several gears locking camshaft (2), each gear locking camshaft is to be made up of the gear shaft part (14) that can be meshed with the internal tooth of internal tooth rotating disk (1) and the locking eccentric wheel that is distributed in the gear shaft two ends or eccentric block (15);
C, have one be used for location and installation gear locking camshaft (2) plate-like support (3);
D, have up and down two end plate fixing collars (4) that are fixed in respectively on the end plate inner surface up and down, and required reservation locking space (6) when between end plate fixing collar and end plate inner surface, forming a circle and being used for gear locking camshaft steering lock, affixed back;
Rotate the internal tooth rotating disk, the gear shaft that its internal gear can driven gear locking camshaft partly rotate synchronously and let the locking eccentric wheel of gear shaft two ends or reservation locking space (6) that eccentric block also rotates to setting so that its two-way end plate that blocks and lock 2-section pipe stake up and down connect to accomplish.
2. the built-in mechanical quick coupling device that is used for prestressed concrete pipe pile according to claim 1 is characterized in that the locking eccentric wheel or the eccentric block (15) of said gear locking camshaft (2) two ends is to process the structure that has slope (16).
3. the built-in mechanical quick coupling device that is used for prestressed concrete pipe pile according to claim 1; It is characterized in that offering some equally distributed spill mounting grooves (17) at the edge of said plate-like support (3), said gear locking camshaft (2) be equably location and installation in each spill mounting groove (17).
4. the built-in mechanical quick coupling device that is used for prestressed concrete pipe pile according to claim 1; It is characterized in that evenly offering some arc-shaped slots (11), in each arc-shaped slot, lay ball (10) in the card of said internal tooth rotating disk (1).
5. the built-in mechanical quick coupling device that is used for prestressed concrete pipe pile according to claim 1 is characterized in that offering open slot (12) in the outer of said internal tooth rotating disk (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102843189A CN101949149B (en) | 2010-09-17 | 2010-09-17 | Built-in mechanical quick coupling device for prestressed concrete tubular pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102843189A CN101949149B (en) | 2010-09-17 | 2010-09-17 | Built-in mechanical quick coupling device for prestressed concrete tubular pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101949149A CN101949149A (en) | 2011-01-19 |
| CN101949149B true CN101949149B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102843189A Expired - Fee Related CN101949149B (en) | 2010-09-17 | 2010-09-17 | Built-in mechanical quick coupling device for prestressed concrete tubular pile |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304918B (en) * | 2011-06-17 | 2013-07-17 | 林宇群 | Prestressed concrete tubular pile locking mechanical quick joint |
| CN102995634B (en) * | 2011-09-19 | 2016-06-08 | 林基 | Prestressed concrete pipe pile Rapid mechanical connector |
| CN206034422U (en) * | 2016-08-29 | 2017-03-22 | 许伟敏 | PHC tubular pile does not have welding ready -packaged joint |
| WO2018068324A1 (en) * | 2016-10-14 | 2018-04-19 | Tti (Macao Commercial Offshore) Limited | Line trimmer |
| CN107605041B (en) * | 2017-09-14 | 2019-11-12 | 袁建华 | Connecting assembly for concrete prefabricated part and construction method thereof |
| CN114482030B (en) * | 2021-10-28 | 2024-04-12 | 广州市建筑集团有限公司 | Mechanical tooth rapid pile extension device and pile extension method for PHC pipe pile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2495685Y (en) * | 2001-08-01 | 2002-06-19 | 钟肇鸿 | Quick-action joint for prestressed concrete piles |
| CN2700403Y (en) * | 2003-09-12 | 2005-05-18 | 蔡嘉明 | Prestressed pipe pile clip connection quick coupling |
| CN201221081Y (en) * | 2008-06-02 | 2009-04-15 | 华升建设集团有限公司 | Connecting structure of prestressed concrete pipe pile |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2443997Y (en) * | 2000-10-11 | 2001-08-22 | 钟肇鸿 | Speed joint for pile of steel reinforced concrete |
| JP2005003029A (en) * | 2003-06-10 | 2005-01-06 | Hiraoka Kinzoku Kogyo Kk | Pipe joint structure |
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2010
- 2010-09-17 CN CN2010102843189A patent/CN101949149B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2495685Y (en) * | 2001-08-01 | 2002-06-19 | 钟肇鸿 | Quick-action joint for prestressed concrete piles |
| CN2700403Y (en) * | 2003-09-12 | 2005-05-18 | 蔡嘉明 | Prestressed pipe pile clip connection quick coupling |
| CN201221081Y (en) * | 2008-06-02 | 2009-04-15 | 华升建设集团有限公司 | Connecting structure of prestressed concrete pipe pile |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-3029A 2005.01.06 |
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| CN101949149A (en) | 2011-01-19 |
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