CN201924351U - Built-in type fast mechanical connector for prestressed concrete pile tube - Google Patents
Built-in type fast mechanical connector for prestressed concrete pile tube Download PDFInfo
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- CN201924351U CN201924351U CN2010205325030U CN201020532503U CN201924351U CN 201924351 U CN201924351 U CN 201924351U CN 2010205325030 U CN2010205325030 U CN 2010205325030U CN 201020532503 U CN201020532503 U CN 201020532503U CN 201924351 U CN201924351 U CN 201924351U
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- end plate
- built
- locking
- internal tooth
- gear
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Abstract
A built-in type fast mechanical connector for a prestressed concrete pile tube comprises end plates for upper and lower sectional tubes, and an inner teeth turnplate with a ring of inner teeth, and the inner teeth turnplate after being connected is situated at the central layer of the connector. The bottom of the inner teeth turnplate abuts against and connects with an upper end plate of the lower sectional tube, and the top surface of the inner teeth turnplate contacts with the lower end plate of the upper sectional tube. The built-in type fast mechanical connector also comprises a plurality of gear lock eccentric wheel shafts, each of which comprises a gear shaft portion and a lock eccentric wheel or eccentric block; a disc-shaped for positioning and installing the gear lock eccentric wheel shafts; and two end plate fastening rings respectively and fixedly connected to the inner surfaces of the upper and lower end plates to form preserved locking space between the end plate fastening rings and the inner surfaces of the end plates. When the inner teeth turnplate rotates, the gear shaft portions of the gear lock eccentric wheel shafts are driven to perform synchronously rotation, and the lock eccentric wheels or eccentric blocks rotate to the preserved locking space so as to complete connection by bidirectionally clamping and locking the end plates of the upper and lower sectional tubes. The built-in type fast mechanical connector has the advantages of simple structure, construction convenience, high work efficiency and high tensile strength. Compared with the prior art, the built-in type fast mechanical connector is low in construction cost and can save almost half of the construction cost.
Description
(1) technical field
The utility model 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, well-known artificial 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 easily produces 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 by presetting several pin holes at the end plate of joint up and down that is connected pile tube, fastening spring is housed in the hole, install with the latch alignment pins hole of several band dentations then and finish connection, the unfavorable factor of its existence has: because of poor to neutrality, the site operation inconvenience, 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 patent No.: ZL03248946.3) that the applicant once designed a kind of " prestressed concrete pipe pile mechanical whorl joint ", this patent joint is by connecting end plate, the screw thread end plate, be positioned at the tapering centering body and the shell-like attaching nut that connect on end plate and the screw thread end plate and wait the member composition, has easy construction, adopt tapering centering, the centering performance is good, employing is threaded, 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 through quality testing department, every performances such as stress performance of stake all can satisfy national existing standard requirement behind the pile extension.The shortcoming that exists is the member processing cost height.
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 utility model provides a kind of built-in mechanical snap joint that is used for prestressed concrete pipe pile, makes that not only to have extraction-resistant behavior superior, easy construction, and have characteristics simple in structure, with low cost.
The utility model realizes with following technical scheme, and this built-in mechanical snap joint 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 of a 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, has a plate-like support (as the positioning supporting part of gear camshaft) that is used for location and installation (positioning support) gear locking 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 allow 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 firmly (locking) up and down the end plate of 2-section pipe stake to finish connection.
The utility model in the specific implementation, its above-mentioned technical characterictic can further be specially:
One, the locking eccentric wheel (or eccentric block) of described gear locking camshaft two ends is to make the structure (longitudinal profile is cone structure) that has the slope, the purpose of making the ramped shaped structure is: when carrying out gear locking camshaft steering lock, allow 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 described plate-like support, described gear locking camshaft be equably location and installation in each spill mounting groove.
Three, the card at described 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 utility model 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 the locking eccentric wheel on the gear locking camshaft (being offset the gear lock mandrel) stays steering lock (work) space in advance when connecting, the affixed tensile strength that also can improve end plate of employing 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 (promptly being offset gear lock mandrel support) assembles on the central link position that is placed on this pile tube end plate (fixing).After finishing above-mentioned preparatory process, hang in crane and to be connected pile tube and to aim 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 angle that several gears locking camshafts (skew gear lock mandrel) of putting its inside rotate to setting synchronously 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 finished about the connection of pipe joint stake.
Compared with the prior art, because the utility model adopts the gear rotation flowing mode, the Quick Connect Kit member of pile tube endoporus central authorities will be hidden in, 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 height, tensile strength height, construction cost and be lower than like product (escapable cost nearly 50%).In addition, utilize the end plate fixing collar before the pile tube cast, to be welded on and reinforce, improve its intensity and extraction-resistant behavior near also favourable pile end board on the inside diameter surface of end plate to link position.
(4), description of drawings
Fig. 1 is the structural representation that a kind of whole assembling of the present utility model is connected with installation.
Fig. 2 is the structural representation of the utility model piecing devices main part assembly.
Fig. 3 is the structural representation of the utility model internal tooth rotating disk component.
Fig. 4 is the side structure schematic diagram (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
With reference to accompanying drawing as can be known, the concrete component of this snap joint of the utility model 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～space is locked in required reservation when being used for gear locking camshaft steering lock, 7～upward pipe joint stake, 8～lower end plate, 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 spill mounting groove on the plate-like support (can be provided with 4-8, be used for location and installation gear locking camshaft).
With reference to accompanying drawing, this built-in mechanical snap joint that is used for prestressed concrete pipe pile of the present utility model 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 (as 4--8) gears locking camshafts 2, each gear locking camshaft is to be made of a 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, has a plate-like support 3 (as the positioning supporting part of gear camshaft) that is used for location and installation (positioning support) gear locking camshaft 2;
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 allow 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 firmly (locking) up and down the end plate of 2-section pipe stake to finish connection.
During concrete enforcement, technical characterictic of the present utility model can further be specially:
One, the locking eccentric wheel (or eccentric block) the 15th of described gear locking camshaft 2 two ends is made the structure (longitudinal profile is cone structure) that has slope 16, the purpose of making the ramped shaped structure is: when carrying out gear locking camshaft 2 steering locks, allow 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 described plate-like support 3, described gear locking camshaft 2 be equably location and installation in each spill mounting groove 17.
Three, the card at described 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 utility model be connected work progress (summary) as previously mentioned
It is of the present utility model that not state part same as the prior art.
Claims (5)
1. built-in mechanical snap joint that is used for prestressed concrete pipe pile, this joint 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, 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 gears locking camshaft (2), each gear locking camshaft is to be made of a 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, has a plate-like support (3) that is used for location and installation gear locking camshaft (2);
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.
2. the built-in mechanical snap joint 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 described gear locking camshaft (2) two ends is to make the structure that has slope (16).
3. the built-in mechanical snap joint 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 described plate-like support (3), described gear locking camshaft (2) be equably location and installation in each spill mounting groove (17).
4. the built-in mechanical snap joint that is used for prestressed concrete pipe pile according to claim 1 is characterized in that evenly offering some arc-shaped slots (11) in the card of described internal tooth rotating disk (1), lays ball (10) in each arc-shaped slot.
5. the built-in mechanical snap joint that is used for prestressed concrete pipe pile according to claim 1 is characterized in that offering open slot (12) in the outer of described internal tooth rotating disk (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205325030U CN201924351U (en) | 2010-09-17 | 2010-09-17 | Built-in type fast mechanical connector for prestressed concrete pile tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205325030U CN201924351U (en) | 2010-09-17 | 2010-09-17 | Built-in type fast mechanical connector for prestressed concrete pile tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201924351U true CN201924351U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205325030U Expired - Fee Related CN201924351U (en) | 2010-09-17 | 2010-09-17 | Built-in type fast mechanical connector for prestressed concrete pile tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201924351U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894413A (en) * | 2017-04-25 | 2017-06-27 | 安徽宝翔建设集团有限责任公司 | The built-in eccentric lock compact form of PHC pile tubes mechanically connects construction method |
| CN106930281A (en) * | 2017-04-25 | 2017-07-07 | 安徽宝翔建设集团有限责任公司 | For the docking mechanism of PHC pile tubes |
-
2010
- 2010-09-17 CN CN2010205325030U patent/CN201924351U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894413A (en) * | 2017-04-25 | 2017-06-27 | 安徽宝翔建设集团有限责任公司 | The built-in eccentric lock compact form of PHC pile tubes mechanically connects construction method |
| CN106930281A (en) * | 2017-04-25 | 2017-07-07 | 安徽宝翔建设集团有限责任公司 | For the docking mechanism of PHC pile tubes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20140917 |
|
| EXPY | Termination of patent right or utility model |