CN201006619Y - PHC pipe pile stretching device - Google Patents
PHC pipe pile stretching device Download PDFInfo
- Publication number
- CN201006619Y CN201006619Y CNU2007200663518U CN200720066351U CN201006619Y CN 201006619 Y CN201006619 Y CN 201006619Y CN U2007200663518 U CNU2007200663518 U CN U2007200663518U CN 200720066351 U CN200720066351 U CN 200720066351U CN 201006619 Y CN201006619 Y CN 201006619Y
- Authority
- CN
- China
- Prior art keywords
- stretch
- tension
- draw
- ring
- locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003921 oil Substances 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 2
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
A PHC pipe tile tension device comprises a tension ring, a tension base, and a tension plate in the tension base which can be locked with the tension ring. The center of the tension plate is fixed with a main drawing rod driven by a tension cylinder, the outer side of the tension cylinder is provided with a locking nut for locking the main drawing rod, the tension ring is screwed with an annular nut for avoiding the tension ring released from the tension plate in tension state. The utility model is characterized in that the tension ring is provided with 13 locking tooth clamps and a plurality of locking tooth grooves between nearby two locking tooth clamps, the tension plate is provided with locking tooth grooves and locking tooth clamps relative to the ones on the tension ring, the tension plate is provided with a plurality of anchor bolt holes in 45 degrees with sink holes. When in tension, the utility model adds prestress on steel bar uniformly, while the stretched end is held vertical with axis, with high safety, synchronous tension on all main bars, and high production efficiency.
Description
Technical field
The utility model relates to technical field of buildings, and valve prestressed concrete pipe pile tensioning equipment is opened by concrete a kind of elder generation that relates to.
Background technology
Put down in writing according to related data, introduce the high strength prestressed concrete pipe pile manufacturing technology of (being called for short the PHC stake) since China in 1987, because this pile tube product possesses intensity height, good endurance, steady quality and economic dispatch advantage, now popularize at home already, be widely used in all kinds of construction projects.At present, the production technology of PHC stake comprises, spice, braiding steel reinforcement cage, feeding, matched moulds, prestressed stretch-draw, centrifugal forming, atmospheric steam curing, the demoulding, autoclave curing and check operation such as dispatch from the factory.Wherein, prestressed stretch-draw generally adopts center stretch-draw (interior stretch-draw) and two kinds of forms of hoop stretch-draw (outer stretch-draw), for minor diameter pile tube (diameter is less than 600mm), mostly adopts the center tension technology; And diameter generally all adopts the hoop tension technology greater than the pile tube of 600mm.But existing hoop tension technology is the C type pile tube of 1200mm and greater than for the 1200mm pile tube for diameter, in whole stretching process, and its tensioning equipment insufficient strength, stress deformation easily.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of PHC tubular piles stretching device, to solve the existing existing weak point of tubular piles stretching device.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
A kind of PHC tubular piles stretching device, comprise the stretch-draw ring, the stretch-draw seat, be arranged in the stretch-draw seat and can lock the stretch-draw plate that is connected with the stretch-draw ring, stretch-draw plate center fixation has main tie, main tie is by the stretch-draw hydraulic oil cylinder driving, the stretch-draw oil cylinder outside has the locking nut of a pinning main tie, be rotary with the ring nut of a tension reinforcing steel bar elongation back and punching block end positioning and locking on the described stretch-draw ring, it is characterized in that, described stretch-draw ring has 13 locking tooth buttons and the locking teeth groove between adjacent two locking tooth buttons outward, also have on the described stretch-draw plate with the stretch-draw ring on locking tooth button and locking teeth groove corresponding locking teeth groove and locking tooth button, have several anchor bolt holes on the stretch-draw plate, corresponding with end plate grappling screw.
Described anchor bolt hole is 60 Ф 29 holes, is distributed on the stretch-draw ring.
The utility model compared with prior art, its stretch-draw plate and stretch-draw ring, as main stressed member, except that satisfying its intensity and rigidity requirement, locking tooth button is changed into 13 pairs by original 9 couple, like this when stretch-draw, external force acts on the stretch-draw plate, is passed to the stretch-draw ring by locking tooth button, and by the ring body, make the ring power of experiencing more even, guaranteed the reliability of operation.Therefore the suffered prestressing force of reinforcing bar is even in the stretching process, and its stretch-draw end face remains and axis normal, and stretching process is safe, whole main muscle synchronous tensions, production efficiency height.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is a kind of PHC pipe of the utility model tensioning equipment structural representation;
Fig. 2 is the stretch-draw ring structure schematic diagram of a kind of PHC pipe of the utility model tensioning equipment.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
Be example with Ф 1200C type tubular piles stretching below, describe the utility model in detail.
Referring to Fig. 1, Fig. 2, Ф 1200C type tubular piles stretching device, comprise stretch-draw ring 2, stretch-draw seat 3, be arranged in the stretch-draw seat 3 and can lock the stretch-draw plate 4 that is connected with stretch-draw ring 2, stretch-draw plate 4 center fixation have main tie 5, main tie 5 drives by stretch-draw oil cylinder 6, and stretch-draw oil cylinder 6 outsides have the locking nut 7 of a pinning main tie 5, are slidingly matched between the cylindrical wall of stretch-draw plate 4 and the inner hole wall of stretch-draw seat 3.
The excircle of stretch-draw ring 2 is provided with an external screw thread 23, and ring end is provided with 13 pairs of locking tooth buttons 21 and locking teeth groove 22, and locking teeth groove 22 is evenly equipped with the anchor bolt hole 24 of 60 Ф 29 at the bottom of the ring of stretch-draw ring 2 between adjacent two locking tooth buttons 21.
Stretch-draw plate 4 is provided with the annular groove 41 that holds stretch-draw ring 2, and the one side be provided with equally 13 pairs with stretch-draw ring 2 on locking tooth button 21 and locking teeth groove 22 corresponding locking tooth buttons 42 and locking teeth groove 43 (not shown)s, locking tooth button 21 on the stretch-draw ring 2 is inserted in the locking teeth groove 43 on the stretch-draw plate 4 like this, rotate an angle then, the locking tooth button 21 on the stretch-draw ring 2 is interlockingly connected with locking tooth button 42 on the stretch-draw plate 4.
Behind the snapping, be spun on a ring nut 1 on the external screw thread 23 of stretch-draw ring 2 and screw, can carry out stretch-draw.
Referring to Fig. 1, Fig. 2, because the stretching force of Ф 1200 C type pile tubes is near 7200kN, stretch-draw plate 4 and stretch-draw ring 2, as main stressed member, need satisfy its intensity and rigidity, locking tooth button 21 on the stretch-draw ring 2 and locking teeth groove 43 change 13 pairs into by original 9 couple, and the locking tooth button 42 of stretch-draw plate 4 and locking teeth groove 43 correspondingly also are 13 pairs.The benefit of doing like this is: when stretch-draw, external force acts on stretch-draw plate 4, is passed to stretch-draw ring 2 by locking tooth button 21 and locking tooth button 42, and by the ring body, makes the ring power of experiencing more even, has guaranteed the reliability of operation.
Because C type pile end plate counterbore and anchor bolt hole 24 layouts at 45, according to the stretch-draw ring force-bearing situation at the 2 ring ends, the central diameter in the anchor bolt hole 24 at the 2 ring ends of stretch-draw ring is Ф 1042mm, and is that 60 Ф 29 holes are uniform, thickening 3mm at the bottom of the ring of simultaneous tension ring 2.Do both having guaranteed the ring rigidity at the end like this, the length of anchor bolt is unaffected simultaneously, the difference of bolt specification when having avoided the staggered production of the stake of C type and other type and trouble that operation is brought.
On processing technology, comprise stretch-draw seat 3, stretch-draw plate 4 is the same with stretch-draw ring 2, all forms through fine finishining with the 45# steel-casting in early days.Because cast steel has certain defective on material, so progressively be eliminated.Then use the steel plate welding procedure instead, because of complex process, the processing cost height.The utility model adopts compaction technology to prepare stretch-draw plate 4 and stretch-draw ring 2.With stretch-draw ring 2 is example, and stretch-draw ring 2 is divided into ring tooth, ring body, the ring ends three part, rolls respectively to annular, welds then, operation moulding such as annealing, roughing, modified, fine finishining.Its precision height, turning allowance is little, and material is relatively saved.
Although the foregoing description is described the utility model, for the technical staff of the industry, still can do multiple variation to present embodiment, therefore, every employing similar variation of the present utility model all should be listed protection domain of the present utility model in.
Claims (2)
1. PHC tubular piles stretching device, comprise the stretch-draw ring, the stretch-draw seat, be arranged in the stretch-draw seat and can lock the stretch-draw plate that is connected with the stretch-draw ring, stretch-draw plate center fixation has main tie, main tie is by the stretch-draw hydraulic oil cylinder driving, the stretch-draw oil cylinder outside has the locking nut of a pinning main tie, be rotary with the ring nut of a tension reinforcing steel bar elongation back and punching block end positioning and locking on the described stretch-draw ring, it is characterized in that, described stretch-draw ring has 13 locking tooth buttons and the locking teeth groove between adjacent two locking tooth buttons outward, also have on the described stretch-draw plate with the stretch-draw ring on locking tooth button and locking teeth groove corresponding locking teeth groove and locking tooth button, has a plurality of anchor bolts hole on the stretch-draw plate, described anchor bolt hole and counterbore layout at 45.
2. a kind of PHC tubular piles stretching device according to claim 1 is characterized in that described anchor bolt hole is 60 Φ 29 holes, is distributed on the stretch-draw ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200663518U CN201006619Y (en) | 2007-01-16 | 2007-01-16 | PHC pipe pile stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200663518U CN201006619Y (en) | 2007-01-16 | 2007-01-16 | PHC pipe pile stretching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201006619Y true CN201006619Y (en) | 2008-01-16 |
Family
ID=39002564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200663518U Expired - Lifetime CN201006619Y (en) | 2007-01-16 | 2007-01-16 | PHC pipe pile stretching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201006619Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390083A (en) * | 2011-07-29 | 2012-03-28 | 广东建华管桩有限公司 | Novel part assembly and method for stretching main steel bar in producing prestressed pipe pile |
| CN104859049A (en) * | 2011-08-12 | 2015-08-26 | 朱月琴 | Pre-stressed concrete solid square pile production device |
| CN108274611A (en) * | 2018-01-17 | 2018-07-13 | 湖北工业大学 | It is a kind of to adapt to more specification tubular pile automatic Tensioning machines |
-
2007
- 2007-01-16 CN CNU2007200663518U patent/CN201006619Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390083A (en) * | 2011-07-29 | 2012-03-28 | 广东建华管桩有限公司 | Novel part assembly and method for stretching main steel bar in producing prestressed pipe pile |
| CN102390083B (en) * | 2011-07-29 | 2012-11-21 | 广东建华管桩有限公司 | Novel part assembly and method for stretching main steel bar in producing prestressed pipe pile |
| CN104859049A (en) * | 2011-08-12 | 2015-08-26 | 朱月琴 | Pre-stressed concrete solid square pile production device |
| CN104924452A (en) * | 2011-08-12 | 2015-09-23 | 朱月琴 | Tension pile splicing device for prestressed concrete solid square pile |
| CN108274611A (en) * | 2018-01-17 | 2018-07-13 | 湖北工业大学 | It is a kind of to adapt to more specification tubular pile automatic Tensioning machines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080116 |
|
| EXPY | Termination of patent right or utility model |