CN207415672U - A kind of single wall punching block suitable for prestressed concrete shaped pile - Google Patents
A kind of single wall punching block suitable for prestressed concrete shaped pile Download PDFInfo
- Publication number
- CN207415672U CN207415672U CN201721550337.5U CN201721550337U CN207415672U CN 207415672 U CN207415672 U CN 207415672U CN 201721550337 U CN201721550337 U CN 201721550337U CN 207415672 U CN207415672 U CN 207415672U
- Authority
- CN
- China
- Prior art keywords
- punching block
- annular cavity
- wall
- prestressed concrete
- shaped pile
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a kind of single wall punching blocks suitable for prestressed concrete shaped pile, including the stake mould involuted by upper punching block and lower punching block, stake mould is provided at both ends with end plate, stake mould is made of column position and annular cavity, column position is cross-section structure, annular cavity is variable section structure, and column position and annular cavity are set for consecutive intervals, and annular cavity depth is less than 40mm；Longitudinal gusset is axially provided on the outer wall of stake mould, longitudinal gusset is formed with groove at annular cavity, and gap is left between groove and the outer wall of annular cavity, and circumferential gusset is also arranged at intervals on the outer wall of stake mould.It the advantage is that：Reduce the depth of annular cavity, the column position and annular cavity set by consecutive intervals is composed in series punching block main body, and longitudinal gusset and circumferential gusset are added on the outer wall, so as to form individual layer wall body formula punching block, while ensuring that punching block meets rigidity and flexible requirement, the manufacture difficulty of punching block and manufacture cost are significantly reduced.
Description
Technical field
It is especially a kind of to be mixed suitable for prestressing force the utility model is related to prestressed concrete prefabricated pile manufacturing technology field
The single wall punching block of solidifying soil shaped pile.
Background technology
In coastal area, the geology of many engineerings belongs to soft soil foundation, some even deep soft soils, soft layer
Depth as deep as 30 meters or more.At present, in engineering consolidation process is carried out for two methods of such soft soil foundation generally use：Water
Soil mixing pile and traditional prestressed concrete pipe pile.Compared with cement mixing method, traditional prestressed concrete pipe pile
Though there is the convenient, high capacity of construction, rigidity is big, pile quality is reliable and stable, green non-pollution, due to conventional tube
Stake body is smooth, and the side skin friction generated with soil body effect is small, its excellent mechanical property can not obtain in soft soil foundation
It makes full use of, causes the larger wasting of resources to a certain extent.Further, since stake can not often be worked together with soil, make
Native doming effect into inter-pile soil sedimentation more than stake influences the flatness of reinforcing body ground surface.Therefore, for soft soil foundation characteristic,
It develops a kind of pile body using the process for sinking construction such as traditional hammering, static pressure and carries Bamboo-shaped prestressed concrete shaped pile,
The advantages of it had not only remained shaped pile high capacity, side skin friction is big, but also variable cross-section boss has been given full play to carrying
The contribution of power ensures that stake is worked together with soil, in addition using traditional process for sinking, speed of application is fast, has preferable economic effect
Benefit, therefore the application of the product has a vast market prospect.
The patent of existing Patent No. 201210306659.0 discloses one kind using high rigidity template as external mold, Low rigidity
Punching block of the template as the dual wall body formula structure of internal model protects the boss of concrete irregular stake with this, it is ensured that punching block
Meet rigidity and flexible requirement.But due to using dual wall body formula structure, manufacture efficiency, Product Precision and the matter of punching block
Amount control aspect is extremely limited.Such punching block manufacturing process is complicated, and manufacture cost is very big, and single-unit punching block cost is general
The several times or even dozens of times of logical cross-section pipe pile steel mold；Simultaneously because the size of pile body boss is big, (groove depth of groove is
40mm to 150mm), punching block groove is using burst assembling process, and many places need to use welding procedure, steel in punching block manufacturing process
Mould overall performance is damaged relatively large.Inventor is had found by repetition test when the groove depth of groove is not more than 50mm, using list
Wall punching block disclosure satisfy that the prestressed concrete shaped pile for ensureing production smoothly demoulds, and be not in be led due to the prestressing force of application
Pile concrete projection portion during the demoulding is caused to be stuck in the groove of punching block.
The content of the invention
Technical problem to be solved in the utility model is the present situation for the prior art, provides simple and reasonable, system
Make convenience, a kind of single wall punching block suitable for prestressed concrete shaped pile at low cost.
Technical solution is used by the utility model solves above-mentioned technical problem：
A kind of single wall punching block suitable for prestressed concrete shaped pile, including what is involuted by upper punching block and lower punching block
Stake mould, the both ends of stake mould are respectively arranged with end plate, and stake mould is made of column position and annular cavity, and column position is cross-section knot
Structure, annular cavity is variable section structure, and column position and annular cavity are set for consecutive intervals, and annular cavity depth is less than
40mm；Longitudinal gusset is axially provided on the outer wall of stake mould, longitudinal gusset is formed with groove, and groove and annular at annular cavity
Gap is left between the outer wall of cavity, circumferential gusset is also arranged at intervals on the outer wall of stake mould.
The technical measures of optimization further include：
Above-mentioned annular cavity is surrounded by the cavity wall of bottom of chamber and bottom of chamber both sides, angle α >=120 ° of bottom of chamber and cavity wall
Above-mentioned bottom of chamber width is 60mm to 100mm.
Above-mentioned bottom of chamber and the junction of cavity wall are respectively arranged with rounded corner R1, the radius of rounded corner R1 for 20mm extremely
45mm。
The junction at above-mentioned cavity wall and the column position is provided with rounded corner R2, and the radius of rounded corner R2 is 10mm
To 25mm.
Above-mentioned annular cavity is the overall structure of pouring molding.
The thickness at above-mentioned column position is 6mm to 12mm, and the thickness of annular cavity is 6mm to 12mm.
After above-mentioned upper punching block and lower punching block pairing, it is bolted.
Lifting lug is provided on above-mentioned stake mould.
A kind of single wall punching block suitable for prestressed concrete shaped pile of the utility model uses what consecutive intervals were set
Column position and annular cavity form the main body of stake mould, and the column position is cross-section structure, and the annular cavity is
Variable section structure, for prefabricated pile in preparation process, pile body forms bulge-structure at annular cavity, not only increase prefabricated pile with
The contact area of the periphery soil body, in static pressure or the work progress of hammering, boss can also squeeze the periphery soil body, make
The soil body is more closely knit, Zhuan Tu communities is formed, so as to effectively improve the bearing capacity of ground；Simultaneously in order to ensure tradition hammering, it is quiet
Prefabricated pile keeps good co-operation with the soil body after the construction of the process for sinking such as pressure, and the projected depth of annular groove is less than 40mm,
The prefabricated pile prepared by the punching block of the utility model is avoided because boss is excessive, gap, nothing are generated when squeezing the soil body
Method forms good Zhuan Tu communities；The punching block of the utility model also sets longitudinal gusset and circumferential gusset in the outer wall of stake mould
Enhance the intensity of stake mould entirety, prevent a mould from forming weak link at annular cavity, cause punching block rigidity that can not meet use
It is required that while the groove that is adapted with annular cavity is set on longitudinal gusset, and stayed between groove and annular cavity outer wall
There is a gap, such structure design can be ensured that during the putting of prefabricated pile, and the destruction of edition type that punching block is generated with pile body is thus
Gap and annular cavity smoothly absorb, and prevent pile body boss from generating a large amount of stress concentrations, it is ensured that pile body boss it is complete
Whole property, smoothly demoulds convenient for concrete irregular stake.Therefore, the utility model it is a kind of suitable for prestressed concrete shaped pile
Single wall punching block, simple and reasonable, manufacture difficulty is at low cost with manufacturing.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is A portions enlarged drawing in Fig. 1；
Fig. 3 is the sectional view of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
It is the structure diagram of the utility model as shown in Figure 1 to Figure 3,
Reference numeral therein is：Angle α, rounded corner R1, rounded corner R2, end plate 1, upper punching block 11, lower punching block 12, column
Position 2, annular cavity 3, bottom of chamber 31, cavity wall 32, longitudinal gusset 4, gap 4a, groove 41, circumferential gusset 5, bolt 6, lifting lug 7.
As shown in Figure 1 to Figure 3,
A kind of single wall punching block suitable for prestressed concrete shaped pile, including by upper punching block 11 and lower 12 pairing of punching block and
Into stake mould, the both ends of stake mould are respectively arranged with end plate 1, and stake mould is made of column position 2 and annular cavity 3, and column position 2 is
Cross-section structure, annular cavity 3 is variable section structure, and column position 2 and annular cavity 3 are set for consecutive intervals, and annular is recessed
3 depth of chamber is less than 40mm；Longitudinal gusset 4 is axially provided on the outer wall of stake mould, longitudinal gusset 4 is formed with recessed at annular cavity 3
Slot 41, and gap 4a is left between the outer wall of groove 41 and annular cavity 3, also it is arranged at intervals with circumferential gusset on the outer wall of stake mould
5。
In embodiment, annular cavity 3 is surrounded by the cavity wall 32 of bottom of chamber 31 and bottom of chamber both sides, and bottom of chamber 31 and the folder of cavity wall 32
Angle α >=120 °
In embodiment, bottom of chamber width 31 is 60mm to 100mm.
In embodiment, bottom of chamber 31 and the junction of cavity wall 32 are respectively arranged with rounded corner R1, and the radius of rounded corner R1 is
20mm to 45mm.
In embodiment, cavity wall 32 and the junction at the column position 2 of stake mould are provided with rounded corner R2, the radius of rounded corner R2
For 10mm to 25mm.
In embodiment, annular cavity 3 is the overall structure of pouring molding.
The depth of annular cavity 3 is less than 40mm, and bottom of chamber 31 and angle α >=120 ° of cavity wall 32, and passes through rounded corner R1
With the setting of rounded corner R2, it is ensured that the angle of pile body boss seamlessly transits, and reduces the adverse effect of stress concentration as far as possible,
Ensure that concrete irregular stake smoothly demoulds；Therefore the demoulding difficulty of prefabricated pile manufacturing process boss is reduced, while also dropped
The low manufacture difficulty of stake mould by repetition test, finds annular cavity depth no more than in the case of 50mm, using single wall steel
Mould can ensure that prestressed concrete shaped pile smoothly demoulds during production, be not in when causing the demoulding due to prestressing force of application
Pile concrete projection portion is stuck in the groove of punching block, and the molding production work of one-piece casting can be used in annular cavity 3 at this time
Skill reduces the welding point in punching block manufacturing process, reduces damage of the welding to punching block, and punching block boss without being beaten again
Grinding process, improves the dimensional accuracy of punching block, while coordinates the setting of rounded corner, further reduces 3 position of punching block annular cavity
Stress concentration, the shaped pile demoulding is more convenient.
The prestressed concrete shaped pile manufactured by this punching block, the height for overcoming boss are less than the coagulation of 40mm
Native shaped pile does not possess the technology mistaken ideas of engineer application meaning, and pile body height of projection is less than 40mm, and coordinative construction cost is relatively low
Hammering or static pressure construction, in the foundation treatment engineering applied to the weak soil of coastal area, by boss to week
The side soil body is squeezed, and makes the soil body more closely knit, and forms Zhuan Tu communities, so as to effectively improve the bearing capacity of ground, significantly
Improve the sexual valence of entire foundation treatment engineering when economic benefit.
In embodiment, the thickness of longitudinal gusset 4 is 8mm, and the height of longitudinal gusset 4 is 60mm to 80mm.
In embodiment, the thickness at column position 2 is 6mm to 12mm, and the thickness of circumferential cavity 3 is 6mm to 12mm.
In actual production process, annular cavity 3 is connected after one-piece casting shaping by welding procedure with column position 2；
The use environment of stake mould proposes requirements at the higher level to the thickness of annular cavity 3, it is desirable that annular cavity 3 has both rigidity and flexibility simultaneously,
Therefore on the premise of ensureing that punching block overall stiffness is met the requirements, the thickness of annular cavity 3 is thin than the thickness at column position 2
Some, can further reduce manufacture cost, but thickness is excessively thin, and the rigidity that can cause annular cavity 3 is inadequate, becomes entire punching block
The weakness of rigidity influences punching block performance；Thickness is blocked up, and the flexible deformation of annular cavity 3 can be caused to be less than and put a process
Pile destruction of edition type degree easily causes stress concentration in pile body and pile body boss junction, so as to occur snap gauge or
Phenomena such as crack.Therefore, the thickness of stake mould is preferably：The thickness at column position 2 is 8mm to 12mm, and the thickness of annular cavity 3 is
6mm to 10mm.
One-piece casting moulding process can also be used in stake mould, then is axially welded and fixed longitudinal gusset 4 and circumferential direction in stake mould outer wall
Special punching block is made in gusset 5, and the overall performance and product quality and dimensional accuracy for the punching block product which produces are excellent
In welding assembling process, but its manufacture difficulty and cost can also be higher than welding assembling process.
In embodiment, after upper punching block 11 and lower 12 pairing of punching block, fixed by bolt 6.
In embodiment, lifting lug 7 is provided on stake mould；The setting of lifting lug 7 facilitates the integral lifting of a mould, using more just
It is prompt.
The column position 2 and circumferential cavity 3 that this special punching block is set using consecutive intervals form stake mould, and stake mold shaft to
Longitudinal gusset 4 and circumferential gusset 5 are set, it is ensured that the rigidity of punching block entirety and the continuity of overall stiffness bear stretching process
Applied in prestressing force, prevent annular cavity 3 become punching block rigidity weak link, lifting, centrifugation, maintenance etc. production work
It is deformed in skill flow.Longitudinal gusset 4 is formed with groove 41 at annular cavity 3, and the outer wall of groove 41 and annular cavity 3 it
Between leave gap 4a, it is ensured that during putting, punching block is with the micro flexible deformation that pile body generates by annular cavity 3 and gap 4a
It smoothly absorbs, pile body boss is avoided to generate a large amount of stress concentrations, it is ensured that the integrality of pile body boss, convenient for concrete
Shaped pile smoothly demoulds, and after pile body is separated with punching block, punching block restores to the original state, to reuse.
The most preferred embodiment of the utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (10)
1. a kind of single wall punching block suitable for prestressed concrete shaped pile, including by upper punching block (11) and lower punching block (12) pairing
The stake mould formed, the both ends of the stake mould are respectively arranged with end plate (1), it is characterized in that：The stake mould is by column position (2)
It is formed with annular cavity (3), the column position (2) is cross-section structure, and the annular cavity (3) is variable cross-section knot
Structure, and the column position (2) and annular cavity (3) are set for consecutive intervals, the annular cavity (3) depth is less than
40mm；Longitudinal gusset (4) is axially provided on the outer wall of the stake mould, longitudinal gusset (4) is recessed in the annular
Groove (41) is formed at chamber (3), and gap is left between the outer wall of the groove (41) and the annular cavity (3)
(4a) is also arranged at intervals with circumferential gusset (5) on the outer wall of the stake mould.
2. a kind of single wall punching block suitable for prestressed concrete shaped pile according to claim 1, it is characterized in that：It is described
Annular cavity (3) surrounded by the cavity wall (32) of bottom of chamber (31) and bottom of chamber (31) both sides, the bottom of chamber (31) and cavity wall (32)
Angle α >=120 °.
3. a kind of single wall punching block suitable for prestressed concrete shaped pile according to claim 2, it is characterized in that：It is described
Bottom of chamber (31) width be 60mm to 100mm.
4. a kind of single wall punching block suitable for prestressed concrete shaped pile according to claim 3, it is characterized in that：It is described
Bottom of chamber (31) and the cavity wall (32) between be respectively arranged with the radius of rounded corner R1, the rounded corner R1 as 20mm extremely
45mm。
5. a kind of single wall punching block suitable for prestressed concrete shaped pile according to claim 4, it is characterized in that：It is described
Cavity wall (32) and column position (2) junction be provided with rounded corner R2, the radius of rounded corner R2 is 10mm to 25mm.
6. a kind of single wall punching block suitable for prestressed concrete shaped pile according to claim 5, it is characterized in that：It is described
Annular cavity (3) be pouring molding overall structure.
7. a kind of single wall punching block suitable for prestressed concrete shaped pile according to claim 6, it is characterized in that：It is described
Longitudinal gusset (4) thickness for 8mm, the height of longitudinal gusset (4) is 60mm to 80mm.
8. a kind of single wall punching block suitable for prestressed concrete shaped pile according to claim 7, it is characterized in that：It is described
Column position (2) thickness for 6mm to 12mm, the thickness of the annular cavity (3) is 6mm to 12mm.
9. a kind of single wall punching block suitable for prestressed concrete shaped pile according to claim 8, it is characterized in that：It is described
Upper punching block (11) and lower punching block (12) pairing after, it is fixed to pass through bolt (6).
10. a kind of single wall punching block suitable for prestressed concrete shaped pile according to claim 9, it is characterized in that：Institute
Lifting lug (7) is provided on the stake mould stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550337.5U CN207415672U (en) | 2017-11-20 | 2017-11-20 | A kind of single wall punching block suitable for prestressed concrete shaped pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550337.5U CN207415672U (en) | 2017-11-20 | 2017-11-20 | A kind of single wall punching block suitable for prestressed concrete shaped pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207415672U true CN207415672U (en) | 2018-05-29 |
Family
ID=62302727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721550337.5U Withdrawn - After Issue CN207415672U (en) | 2017-11-20 | 2017-11-20 | A kind of single wall punching block suitable for prestressed concrete shaped pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207415672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107756619A (en) * | 2017-11-20 | 2018-03-06 | 中淳高科桩业股份有限公司 | A kind of single wall punching block suitable for prestressed concrete shaped pile |
-
2017
- 2017-11-20 CN CN201721550337.5U patent/CN207415672U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107756619A (en) * | 2017-11-20 | 2018-03-06 | 中淳高科桩业股份有限公司 | A kind of single wall punching block suitable for prestressed concrete shaped pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207415672U (en) | A kind of single wall punching block suitable for prestressed concrete shaped pile | |
| CN104972550B (en) | The polygonal mould and preparation method of a kind of in-situ precast concrete-pile | |
| CN107756619A (en) | A kind of single wall punching block suitable for prestressed concrete shaped pile | |
| CN102852139B (en) | Special-shaped high bearing capacity concrete pile and production method thereof | |
| CN107700480A (en) | A kind of concrete-pile suitable for basement process | |
| CN207419452U (en) | A kind of concrete-pile suitable for basement process | |
| CN201024422Y (en) | Pretensioned prestressed concrete shaped tube pile | |
| CN102900075B (en) | A kind of helix concrete tubular pile device and preparation method thereof | |
| CN206173983U (en) | Building foundation water -blocking weir | |
| CN206718140U (en) | A kind of mould for producing pre-stressed concrete hollow support pile | |
| CN201598635U (en) | Concrete tubular pile with high stress | |
| CN205077594U (en) | Enhancement mode five -way plastic check well | |
| CN108118693A (en) | The constructing device of cast-in-place concrete core cement soil stirring pile | |
| CN210910561U (en) | Socket joint formula cement pipe die with steel reinforcement cage fixing device | |
| CN207193953U (en) | A kind of reinforced concrete tubular pile of outer rim | |
| CN103243691A (en) | Prefabricated steel formwork for gallery top arch of dam absorption basin | |
| CN203113349U (en) | Foundation trench shoring lattice type end structure | |
| CN106592586A (en) | Prefabricated pile with external hoops and filled with sand-gravel aggregates, and construction method thereof | |
| CN203110127U (en) | Novel pretensioning spun concrete square pile steel mould | |
| CN203796278U (en) | Pouring hole and exhaust hole arrangement structure of composite pipe piece | |
| CN201390960Y (en) | High-strength corrugated sleeve foundation pile | |
| CN205348170U (en) | In dig method prestressed concrete pipe pile | |
| CN107053454A (en) | A kind of mould for producing pre-stressed concrete hollow support pile | |
| CN202131597U (en) | Cast-in-place X-shaped large-diameter hollow concrete pile valve pile tip structure device | |
| CN214940332U (en) | Assembled cushion cap template convenient to integral hoisting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180913 Address after: 315145 No. 166 Linjiang Road, Yinzhou Economic Development Zone, Ningbo, Zhejiang Patentee after: NINGBO ZCONE HIGH-TECH Co.,Ltd. Address before: 315145 Zhong Chun Gao Ke pile Limited by Share Ltd, No. 166 Linjiang Road, Yinzhou Economic Development Zone, Ningbo, Zhejiang Patentee before: ZCONE HIGH-TECH PILE INDUSTRY HOLDING CO.,LTD. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180529 Effective date of abandoning: 20230407 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180529 Effective date of abandoning: 20230407 |