CN203530966U - Screw-in steel tube pile - Google Patents
Screw-in steel tube pile Download PDFInfo
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- CN203530966U CN203530966U CN201320718188.4U CN201320718188U CN203530966U CN 203530966 U CN203530966 U CN 203530966U CN 201320718188 U CN201320718188 U CN 201320718188U CN 203530966 U CN203530966 U CN 203530966U
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- Prior art keywords
- steel pipe
- blade
- screw
- towards
- connector
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Abstract
The utility model provides a screw-in steel tube pile which comprises a steel tube. One end of the steel tube is conical, the other end of the steel tube is provided with a connector, blades are spirally wound on the steel tube, and contacting lines of the blades and the steel tube are connected in a welded manner. The screw-in steel tube pile is characterized in that the blades are inclined towards the connector, and an included angle between a side line facing the connector and an axial line of the steel tube is smaller than 90 degrees on profiles of the blades comprising the axial line of the steel tube and faces the direction of the connector. The screw-in steel tube pile is easily screwed in and difficultly drawn out.
Description
Technical field
The utility model belongs to a kind of building unit, relates in particular to a kind of screw-in steel pipe pile.
Background technology
Screw-in steel pipe pile (pile) after piling for the anchoring of the bracket bases such as tent, billboard, agricultural greenhouse, prefabricated house, photovoltaic.
Its structure as shown in Figure 1, the one end that is a steel pipe 1 ' is processed as the bullet 2 ' that inserts ground, the connector 3 ' that the other end is used while being piling process, after piling, this connector 3 ' is for connecting supporter, as photovoltaic product, light pole, billboard, tent bracket etc.Upper with spirality winding blade 4 ' at steel pipe 1 ', blade 4 ' welds and links together with the contact wire of steel pipe 1 '.The screw-in steel pipe pile forming like this can be squeezed into ground with screw-in piling method, and is combined firmly with ground after squeezing into.
The blade 4 ' of screw-in steel pipe pile and the combination of steel pipe 1 ' is at present in advance blade 4 ' is processed into spiral coil, manually strip steel is processed in advance to the blade 4 ' of spiral coil form, after being enclosed within on steel pipe 1 ', by artificial spot welding mode, welds.
Manufacturing procedure is many like this, and whole process time needs about 20 minutes, the low and waste of manpower of efficiency, material.
Artificial sleeve pipe, spot welding, the blade 4 ' of the spiral coil form forming in advance must deform, and causes pitch inhomogeneous.
And, wider blade 4 ' is due to the increase of deadweight, above-mentioned pitch non-uniform phenomenon is more serious, therefore, in order to alleviate the inhomogeneous defect of pitch, the width of the blade 4 ' of prior art is restricted, and generally can only realize the blade 4 ' of 1-2cm width, has limited further the scope of application of screw-in steel pipe pile.
As shown in Figure 2, and, the current blade 4 ' of screw-in steel pipe pile and the surface of steel pipe 1 ' are vertical, also on the section of axis 11 ' that comprises steel pipe 1 ', two side lines of the section of blade 4 ', towards that side line 41 ' of bullet 2 ' or towards that side line 42 ' of connector 3 ', be perpendicular to (usually, simultaneously perpendicular to the surface of steel pipe 1 ') of the axis 11 ' of steel pipe 1 '.This structure is when bullet 2 ' is when ground pierces, and the resistance F of soil is vertical with side line 41 ', and when steel pipe pile installs while upwards being pulled out, the pull out force F ' of soil is vertical with side line 42 '.
All above, while causing using, can cause screw-in steel pipe pile to screw in not smooth; Uplift resistance is poor.
Utility model content
The utility model provides a kind of screw-in steel pipe pile, its objective is the shortcoming that prior art exists, the screw-in steel pipe pile that provides a kind of easy screw-in, difficulty to extract are provided.
The utility model solves the technical scheme that its technical problem adopts:
Screw-in steel pipe pile, comprise steel pipe, steel pipe one end is bullet, the other end of steel pipe is connector, on steel pipe, with spirality, is wound around blade, and blade is connected with the contact wire welding of steel pipe, it is characterized in that: blade tilts towards connector direction, also on the section of the axis that comprises steel pipe of blade, towards the angle of the side line of connector and the axis of steel pipe, be less than 90 degree, this angle is towards connector direction.
Described blade towards the scope of the angle of the side line of connector and the axis of steel pipe be 55 degree to 80 degree, this angle is towards connector direction.
On the section of the axis that comprises steel pipe of blade, towards the angle of the side line of bullet and the axis of steel pipe, be greater than 90 degree, this angle is towards bullet.
Described blade towards the scope of the angle of the side line of bullet and the axis of steel pipe be 100 degree to 125 degree, this angle is towards bullet.
The contact wire towards bullet one side between blade and steel pipe has continuous welding body.
The pitch of the blade being wound around with spirality on steel pipe equates.
Usefulness of the present utility model is:
The blade of screw-in steel pipe pile of the present utility model is to connector direction inclination perk, and pitch equates, can make steel pipe pile screw in light, and resistance to plucking ability is stronger.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is prior art screw-in steel tube pile structure figure;
Fig. 2 is that prior art screw-in steel pipe pile is along the part enlarged drawing of the section of steel pipe axis;
Fig. 3 is the utility model machining sketch chart;
Fig. 4 is that screw-in steel pipe pile of the present utility model is along the part enlarged drawing of the section of steel pipe axis.
The specific embodiment
As shown in Figure 3:
Screw-in steel pipe pile of the present utility model, comprises steel pipe 1, and steel pipe 1 one end is bullet 2, and the other end of steel pipe 1 is connector 3, on steel pipe 1, with spirality, is wound around blade 4.
Difference from prior art is: as shown in Figure 4, blade 4 tilts towards connector 3 directions, also on the section of the axis that comprises steel pipe 1 11 of blade 4, two side lines of the section of blade 4, towards that side line 41 of bullet 2 or towards axis 11 out of plumb of that side line 42 with the steel pipe 1 of connector 3 (also with the surperficial out of plumb of steel pipe 1), blade 4 is selected band steel in the present embodiment, side line 41 is parallel with side line 42, side line 42 towards connector 3 is 75 degree with the angle α of the axis 11 of steel pipe 1, this angle α is towards connector 3 directions (scope of this angle α can be that 55 degree are to 80 degree).Because side line 41 is parallel with side line 42, on the section of the axis that comprises steel pipe 1 11 of blade 4, side line 41 towards bullet 2 is 105 degree with the angle β of the axis 11 of steel pipe 1, and this angle β is towards bullet 2 (scope of this angle β can be that 100 degree are to 125 degree).
The contact wire towards bullet 2 one sides between blade 4 and steel pipe 1 has continuous welding body 43.
The pitch of the blade 4 being wound around with spirality on steel pipe 1 equates.
The other end with respect to bullet 2 at steel pipe 1 has through hole 5.
The width of blade 4 of the present utility model is 1-10cm.
The advantage of screw-in steel pipe pile of the present utility model is, when bullet 2 is when ground pierces, the resistance F of soil acts on blade 4, because angle β is greater than 90 degree, so, this power F can be decomposed, the power vertically acting in the force rate prior art situation on blade 4 is little, be convenient to screw in, when steel pipe pile installs while upwards being pulled out, the pull out force F ' of soil acts on blade 4, because angle α is less than 90 degree, so the power vertically acting in the force rate prior art situation on blade 4 is large, is difficult to extract.
All above, while causing using, can cause screw-in steel pipe pile to screw in easily than existing steel pipe pile; Uplift resistance is strong.
The moulding process of manufacturing above-mentioned screw-in steel pipe pile comprises the steps:
A: blanking: the design length that steel pipe 1 is cut into screw-in steel pipe pile;
A1: punching: steps A cut out one end of steel pipe 1 stamp out a manhole 5 radially, this manhole 5 crosses steel pipe 1, the swingle 6 during for spiral forming on welding equipment can insert steel pipe 1 and make it rotation;
B: the draw: do not have one end of punching to shorten bullet 2 into steel pipe 1, comprise following two steps:
B1: heating: steel pipe 1 does not have one end of punching to put heating in equipment into until softening;
B2: tapering moulding: the steel pipe 1 of softening part is put in machine for shrinking equipment and carried out draw processing, form bullet 2;
C: spiral forming: comprise following five steps:
C1: the steel pipe 1 after the processing of the step C draw is packed in welding equipment, swingle 6 is inserted to the manhole 5 of steel pipe 1 one end; Steel pipe 1 two ends are rotatably erected on welding equipment with fixture, and swingle 6 can be driven and at the uniform velocity be rotated around the axis of steel pipe 1 by welding equipment; Also the two ends of steel pipe 1 can be clipped on welding equipment in the top mode of withstanding, welding equipment drives swingle 6 to rotate and drives steel pipe 1 to rotate; Other embodiment also can drive steel pipe 1 uniform rotation by other modes;
C2: blade 4 is sent into drawing-inroller 7, the angle between the surface of adjusting vane 4 and the axis of steel pipe 1; Drawing-inroller 7 is a kind of feed mechanisms, can be two relative wheels, clamps blade 4 and carries, also can be a delivery chute and the corresponding wheel arranging thereof, be clipped in blade 4 and carry, blade 4 can be transported out in a word, blade 4 can be selected bar shaped band steel, before entering drawing-inroller 7 on bull wheel; The width of blade 4 can be 1-10cm;
C3: the plumb joint 8 of regulation of carbon dioxide protection weldering, the seam that plumb joint 8 is aimed between blade 4 and steel pipe 1, this seam is towards the direction of bullet 2; Drawing-inroller 7 is located on the screw rod 10 arranging on welding equipment with travelling nut 71, plumb joint 8 is located on the screw rod 9 arranging on a welding equipment with travelling nut 81, screw rod 10, screw rod 9 are parallel with the axis of steel pipe 1, when screw rod 10, screw rod 9 rotate, drawing-inroller 7 can be along with travelling nut 71 be along screw rod 10 translations, and plumb joint 8 can be along with travelling nut 81 along screw rod 9 direction translational motions;
C4: start welding equipment, drive swingle 6 rotations, swingle 6 drives slowly at the uniform velocity rotation of steel pipe 1, drawing-inroller 7 is along the direction uniform motion of screw rod 10, plumb joint 8 is along the direction uniform motion of screw rod 9, also along the circuit parallel with the axis of steel pipe 1, move, drawing-inroller 7 starts at the uniform velocity to export blade 4 to the surface of steel pipe 1 from certain correct position of bullet 2, blade 4 is wrapped on steel pipe 1 twist because steel pipe 1 rotates, plumb joint 8, by the seam welding between blade 4 and steel pipe 1, forms welding body 43 simultaneously; The plumb joint 8 here can be to be arranged on actively on travelling nut 81, with adapt to weld seam from bullet 2, be transitioned into steel pipe 1 column part process and be unlikely to produce movement interference;
C5: blade 4 length on steel pipe 1 reach after requirement, and welding completes, severing blade 4;
D: the end at the non-bullet of steel pipe 1 is welded to connect part 3; Connector 3 is nut or flange or other connectors, and connector 3 is mainly used in equipment piling use, and connects supporter, as photovoltaic product, light pole, billboard, tent bracket etc.;
E: to steel pipe 1 (and surface blade 4, connector 3 etc.) carry out galvanizing or paint to carry out antirust processing.
In above-mentioned technique, in the end of the non-bullet of steel pipe 1, be welded to connect part 3 these operations and be and at step C, on the surface of steel pipe 1, wind that blade 4 is rear just to carry out.Just need in this case steps A 1: punching, obtains the steel pipe 1 of through hole 5, Yi Bian then the manhole 5 of swingle 6 insertion steel pipe 1 one end is driven to steel pipe 1 rotation when step C.
In other embodiments, also step D ' can carried out between steps A and C: the end at the non-bullet of steel pipe 1 is welded to connect part 3.In this case, while carrying out step C, on steel pipe 1, there is connector 3, so just do not need this procedure of punching of steps A 1, when during step C, steel pipe 1 is installed to welding equipment, only need the top mode of bullet 1 to be erected on welding equipment, on welding equipment turning cylinder, put Modular jig, Modular jig is clamped connector 3 rotations, just can realize the selection of steel pipe 1, the steel pipe pile of producing does not in this case have through hole 5.
Adopt this technique, just be convenient to produce screw-in steel pipe pile of the present utility model, otherwise just cannot guarantee manufacturability and the stability of the structure of screw-in steel pipe pile of the present utility model, because do not coordinate stable output blade with machinery, it is identical that the pitch of blade just cannot keep, guarantee that blade tilts with stable angle to connector direction also very difficult, not with stable mechanical welding manner synchronous welding when blade is exported, be difficult to guarantee the continuity of welding body.And after blade output, welding can adopt wider blade and be unlikely to cause distortion, can realize the blade one-shot forming of 1-10cm width.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. screw-in steel pipe pile, comprise steel pipe, steel pipe one end is bullet, the other end of steel pipe is connector, on steel pipe, with spirality, is wound around blade, and blade is connected with the contact wire welding of steel pipe, it is characterized in that: blade tilts towards connector direction, also on the section of the axis that comprises steel pipe of blade, towards the angle of the side line of connector and the axis of steel pipe, be less than 90 degree, this angle is towards connector direction.
2. screw-in steel pipe pile as claimed in claim 1, is characterized in that: the scope of the described angle towards the side line of connector and the axis of steel pipe be 55 degree to 80 degree, this angle is towards connector direction.
3. screw-in steel pipe pile as claimed in claim 1, is characterized in that: on the section of the axis that comprises steel pipe of blade, towards the angle of the side line of bullet and the axis of steel pipe, be greater than 90 degree, this angle is towards bullet.
4. screw-in steel pipe pile as claimed in claim 3, is characterized in that: the scope of the described angle towards the side line of bullet and the axis of steel pipe be 100 degree to 125 degree, this angle is towards bullet.
5. screw-in steel pipe pile as claimed in claim 1, is characterized in that: the contact wire towards bullet one side between blade and steel pipe has continuous welding body.
6. screw-in steel pipe pile as claimed in claim 1, is characterized in that: the pitch of the blade being wound around with spirality on steel pipe equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320718188.4U CN203530966U (en) | 2013-11-11 | 2013-11-11 | Screw-in steel tube pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320718188.4U CN203530966U (en) | 2013-11-11 | 2013-11-11 | Screw-in steel tube pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203530966U true CN203530966U (en) | 2014-04-09 |
Family
ID=50417191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320718188.4U Expired - Fee Related CN203530966U (en) | 2013-11-11 | 2013-11-11 | Screw-in steel tube pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203530966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572751A (en) * | 2013-11-11 | 2014-02-12 | 洪求耀 | Screw-in type steel pipe pile and forming technology of screw-in type steel pipe pile |
-
2013
- 2013-11-11 CN CN201320718188.4U patent/CN203530966U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572751A (en) * | 2013-11-11 | 2014-02-12 | 洪求耀 | Screw-in type steel pipe pile and forming technology of screw-in type steel pipe pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Hong Qiuyao Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Hong Qiuyao Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20141111 |
|
| EXPY | Termination of patent right or utility model |