CN207919592U - A kind of prefabricated assembled pile foundation of bearing platform plinth of transmission tower - Google Patents
A kind of prefabricated assembled pile foundation of bearing platform plinth of transmission tower Download PDFInfo
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- CN207919592U CN207919592U CN201721650797.5U CN201721650797U CN207919592U CN 207919592 U CN207919592 U CN 207919592U CN 201721650797 U CN201721650797 U CN 201721650797U CN 207919592 U CN207919592 U CN 207919592U
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- cushion cap
- prefabricated
- transmission tower
- pile
- bearing platform
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 38
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 239000004567 concrete Substances 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 239000011083 cement mortar Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000003260 anti-sepsis Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a kind of prefabricated assembled pile foundation of bearing platform plinth of transmission tower, including prefabricated pile and cushion cap, the cushion cap is located at the top of prefabricated pile, it is characterised in that：The cushion cap includes lower cushion cap and upper cushion cap, the prefabricated pile is internally provided with four centered on prefabricated pile axis vertically uniformly distributed embedded bars, the embedded bar top is equipped with screw thread, the lower cushion cap is set with upper cushion cap by both ends threaded to drawing bar connecting in embedded bar, described couple of drawing reinforcing bar upper end attaching nut, is connected between lower end and embedded bar by straight screw sleeve.The prefabricated rate of the utility model is higher, and construction site with the relevant wet construction of agent structure stress, does not reduce the workload of site operation, and vertical tower, stringing, short time limit can be carried out after installing.
Description
Technical field
The utility model is related to transmission towers to set up field, and in particular to a kind of prefabricated assembled pile foundation of bearing platform of transmission tower
Plinth.
Background technology
There is the common basal form of shaft tower in transmission line of electricity：Bored pile foundation, cast in situ concrete foundation (board-like, platform
Stepwise), the desk-top basis of stake, rock anchored pile foundation, assembling type base etc..Wherein assembling type base be by multiple armored concrete or
Metal pre-constructed unit is assembled, is divided into two kinds of heavy excavation basis and pile foundation, and speed of application is fast, energy-saving and emission-reduction, is lacking sand
Stone, water or winter should not can also be used when poured in place concrete.But currently used assembling type base has the disadvantage that：
1. assembled heavy excavation element task principle is similar with cast in situ concrete foundation, top earthing is relied primarily on to resist
It topples and drawing takes up a large area compared with pile foundation, low bearing capacity；
2. assembling-type metal foundation cost is higher, Anticorrosion, which restricts, to be used；
3. the junction of prefabricated pile basis and top cushion cap uses cast-in-place concrete more, site operation is complicated, and the duration is longer.
Utility model content
To solve deficiency in the prior art, the utility model provides a kind of prefabricated assembled pile foundation of bearing platform of transmission tower
Plinth solves existing assembling type base, relies primarily on top earthing and topples and drawing to resist, takes up a large area, low bearing capacity
The technical issues of.
In order to realize above-mentioned target, the utility model adopts the following technical solution：
A kind of prefabricated assembled pile foundation of bearing platform plinth of transmission tower, including prefabricated pile and cushion cap, the cushion cap are located at prefabricated pile
Top, it is characterised in that：The cushion cap includes lower cushion cap and upper cushion cap, and the upper cushion cap is equipped with rectangle column, the rectangle
The foundation bolt for connecting transmission tower is vertically equipped with inside column, the prefabricated pile section is circle, described pre-
Stake processed is internally provided with four centered on prefabricated pile axis vertically uniformly distributed embedded bars, and the embedded bar top is equipped with spiral shell
Line, the prefabricated pile top are equipped with cylindrical connecting groove, the cylinder connecting groove vertical axis and embedded bar axis
Coaxially, the embedded bar tip height is less than prefabricated pile top plan, and the lower cushion cap bottom end is equipped with and is matched with prefabricated pile
Round positioning groove, the lower cushion cap and upper cushion cap are equipped with the cushion cap through-hole to match with embedded bar, the lower cushion cap
Threaded to drawing bar connecting in embedded bar, described couple of drawing reinforcing bar upper end attaching nut is set by both ends with upper cushion cap, under
It is connected by straight screw sleeve between end and embedded bar.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：It is additionally provided in the middle part of the prefabricated pile
Apopore, the apopore penetrate through entire prefabricated pile.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：Described pair is drawn reinforcing bar and pre-buried steel
The end thread of muscle is upset straight thread.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：The lower cushion cap is equipped with section
The boss of square, the bottom surface of the upper cushion cap are equipped with the pit to match with lower cushion cap top surface boss.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：The lower end of the embedded bar with
The lower end of foundation bolt is pawl shape, hook shape or T shapes.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：Between the nut and upper cushion cap
It is additionally provided with gasket.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：The nut top is additionally provided with mixed
Solidifying soil protective cap.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：The cushion cap through-hole aperture is not small
In three times to drawing bar diameter.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：The lower cushion cap can be with multiple folded
It closes.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：In use, the cushion cap through-hole with
Gap, square groove between drawing reinforcing bar, the equal filling concrete mortar of apopore.
The advantageous effect that the utility model is reached：
1. the prefabricated rate of the utility model is higher, construction site with the relevant wet construction of agent structure stress, does not reduce
The workload of site operation can carry out vertical tower, stringing, short time limit after installing.
It, can be along height when cushion cap volume bigger 2. in the utility model, cushion cap is divided into lower cushion cap and upper cushion cap two parts
It spends direction and is superimposed polylith lower cushion cap, facilitate on-site hoisting, in the superposed surfaces of every cushion cap, reserve pit and boss, be mutually twisted
To resist the shearing of horizontal direction, it is ensured that multi-disc cushion cap works together.Vertical hole diameter in cushion cap is not less than pair of three times
Draw bar diameter, it is ensured that even if there are that can complete to install if certain construction error, the lower end of foundation bolt and embedded bar processes
At pawl shape, hook shape or T shapes, increase tension strength in anchor.
3. pair end thread for drawing reinforcing bar and embedded bar is upset straight thread, section weakening is avoided, ensure that pair
Draw the intensity of reinforcing bar and embedded bar junction.
4. apopore is reserved at the center of prefabricated pile, thus underground water can exclude when pile sinking, after pile sinking, use cement bonded sand
Grout is starched, vertical hole is reserved in prefabricated reinforced concrete cushion cap, is needed with cement mortar grout simultaneously after being fastened to drawing reinforcing bar
Casting concrete protective cap both can guarantee to drawing reinforcing bar, straight screw sleeve, embedded bar, nut, gasket not by underground water corruption
Erosion, also can prevent straight screw sleeve and nut from loosening.Further, since construction error, prefabricated stake top and lower cushion cap platform bottom
Can inevitably there be gap between portion, grouting can fill the gap, ensure that stake and cushion cap work together.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model prefabricated pile structural schematic diagram；
Fig. 3 is 1/2 figure of Section A-A in the utility model Fig. 1；
Fig. 4 is 1/2 figure of section B-B in the utility model Fig. 1；
Fig. 5 is 1/2 figure in the sections C-C in the utility model Fig. 1；
Fig. 6 is 1/2 figure in the sections D-D in the utility model Fig. 1；
Fig. 7 is E-E sectional views in the utility model Fig. 1；
The meaning marked in attached drawing：1- prefabricated piles；2- lower cushion caps；The upper cushion caps of 3-；4- foundation bolts；5- is to drawing reinforcing bar；6-
Straight screw sleeve；7- embedded bars；8- nuts；9- gaskets；10- concrete protective caps；11- apopores；The connection of 12- cylinders is recessed
Slot；13- circle positioning grooves；14- rectangle columns.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and the scope of protection of the utility model cannot be limited with this.
As shown in the picture：A kind of prefabricated assembled pile foundation of bearing platform plinth of transmission tower, including prefabricated pile 1 and cushion cap, it is described to hold
Platform is located at the top of prefabricated pile 1, it is characterised in that：The cushion cap includes lower cushion cap 2 and upper cushion cap 3, and the upper cushion cap 3 is equipped with side
It is equipped with rectangle column 14 in the middle part of side, several ground for being used to connect power transmission tower are vertically equipped with inside the rectangle column 14
Foot bolt 4,1 section of the prefabricated pile are circle, the prefabricated pile 1 be internally provided with four centered on 1 axis of prefabricated pile it is perpendicular
To uniformly distributed embedded bar 7,7 top of the embedded bar is equipped with screw thread, and 1 top of the prefabricated pile is equipped with cylindrical connecting groove
12, cylinder 12 vertical axis of connecting groove and 7 axis coaxle of embedded bar, 7 tip height of the embedded bar are less than
1 top plan of prefabricated pile, 2 bottom end of the lower cushion cap are equipped with and the matched round positioning groove 13 of prefabricated pile, the lower cushion cap 2
The cushion cap through-hole to match with embedded bar 7 is equipped with upper cushion cap 3, the lower cushion cap 2 is equipped with spiral shell with upper cushion cap 3 by both ends
Line is connected to embedded bar 7 to drawing reinforcing bar 5, and described couple of drawing 5 upper end attaching nut 8 of reinforcing bar is led between lower end and embedded bar 7
Cross the connection of straight screw sleeve 6.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：1 middle part of the prefabricated pile is additionally provided with
Apopore 11, the apopore 11 penetrate through entire prefabricated pile 1.Underground water discharge when apopore 11 can be by pile sinking, waits for pile sinking
Apopore 11 need to be filled with mortar after completion.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：Described pair is drawn reinforcing bar 5 and pre-buried steel
The end thread of muscle 7 is upset straight thread.Upset straight thread avoids weakened section, increases to drawing reinforcing bar 5 and pre-buried steel
The intensity of muscle 7.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：The lower cushion cap 2 is equipped with upper surface
The boss that section is square, the bottom surface of the upper cushion cap 3 are equipped with the pit to match with 2 top surface boss of lower cushion cap.Pit with
Boss matches, and when upper cushion cap 3 is positioned in lower cushion cap 2, the two is worked in coordination, and on the one hand can ensure upper lower cushion cap
The concentricity of through-hole, on the other hand, at work, pit is also resistant against the shearing of horizontal direction, especially polylith with boss
When cushion cap is superimposed work.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：The lower end of the embedded bar 7 with
The lower end of foundation bolt 4 is pawl shape, hook shape or T shapes.Pawl shape, hook shape or T shapes can increase under embedded bar 7
End and the bonding strength between foundation bolt 4 and prefabricated pile 1 and upper cushion cap 3 increase tension strength in anchor.
As shown in Figure 4：The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：The nut 8 with
It is additionally provided with gasket 9 between upper cushion cap 3, there are four through-hole on single gasket 9, four of four through-holes and single prefabricated pile 1 to drawing
Reinforcing bar matches, and increases the forced area between nut 8 and upper cushion cap.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：8 top of the nut is additionally provided with mixed
Solidifying soil protective cap 10.Protective cap 10 plays locking, antisepsis to nut 8.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：The cushion cap through-hole aperture is not small
In three times to drawing 5 diameter of reinforcing bar.When there are cushion cap through-holes when error, being relatively large in diameter may insure to drawing reinforcing bar between cushion cap
5 smoothly penetrate.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：The lower cushion cap 2 can be with multiple folded
It closes.When cushion cap volume requirement is larger, lower cushion cap 2 can multiple superpositions uses, convenience in transport and installation.
The prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower above-mentioned, it is characterized in that：The cushion cap through-hole with to draw steel
12 equal filling concrete mortar of gap and cylindrical connecting groove between muscle 5.It constructs after finishing in cushion cap through-hole and to drawing
5 holder filling concrete mortar of reinforcing bar, enhances the integraty of cushion cap, while between also can be filled between prefabricated pile 1 and lower cushion cap 2
Gap.
It is serious or when geological conditions is especially hard for soil compaction effect in use, prefabricated pile 1 is sunk to underground first,
Advance pore-forming is needed, then pile sinking again, and underground water is discharged by apopore 11, cement mortar is hereafter poured into apopore,
Drawing reinforcing bar 5 and the straight screw sleeve 6 of embedded bar 7 will be attached, then lower cushion cap 2 and upper cushion cap 3 are installed, in cushion cap through-hole
Cement mortar is inside poured into, gasket 9, fastening nut 8, last casting concrete protective cap 10, the mould of concrete protective cap 10 are covered
Plate has certain rigidity, can bear the weight of top earthing, and not form removal after concrete protective cap 10 pours directly carries out the earthwork and returns
It fills out.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
The scope of protection of the utility model is also should be regarded as into deformation.
Claims (8)
1. a kind of prefabricated assembled pile foundation of bearing platform plinth of transmission tower, including prefabricated pile (1) and cushion cap, the cushion cap are located at prefabricated pile
(1) top, it is characterised in that：The cushion cap includes lower cushion cap (2) and upper cushion cap (3), and square is equipped in the middle part of the upper cushion cap (3)
Shape column (14), the rectangle column (14) is internal to be vertically equipped with several foundation bolts for being used to connect power transmission tower
(4), prefabricated pile (1) section is circle, and the prefabricated pile (1) is internally provided with four centered on prefabricated pile (1) axis
Vertically uniformly distributed embedded bar (7), embedded bar (7) top are equipped with screw thread, and prefabricated pile (1) top is equipped with cylinder
Connecting groove (12), cylinder connecting groove (12) vertical axis and embedded bar (7) axis coaxle, the embedded bar
(7) tip height is less than prefabricated pile (1) top plan, and lower cushion cap (2) bottom end is equipped with matched round fixed with prefabricated pile
Position groove (13), the lower cushion cap (2) is equipped with the cushion cap through-hole to match with embedded bar (7) with upper cushion cap (3), under described
Cushion cap (2) is set with upper cushion cap (3) by both ends threaded to drawing reinforcing bar (5) to be connected to embedded bar (7), described pair of drawing reinforcing bar
(5) upper end attaching nut (8) are connect between lower end and embedded bar (7) by straight screw sleeve (6).
2. the prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower according to claim 1, it is characterized in that：The prefabricated pile
(1) middle part is additionally provided with apopore (11), and the apopore (11) penetrates through entire prefabricated pile (1).
3. the prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower according to claim 1, it is characterized in that：Described pair of drawing steel
Muscle (5) and the end thread of embedded bar (7) are upset straight threads.
4. the prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower according to claim 1, it is characterized in that：The lower cushion cap
(2) it is equipped with the boss that upper surface section is square, the bottom surface of the upper cushion cap (3) is equipped with and lower cushion cap (2) top surface boss phase
Matched pit.
5. the prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower according to claim 1, it is characterized in that：The nut
(8) gasket (9) is additionally provided between upper cushion cap (3).
6. the prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower according to claim 1 or 4, it is characterized in that：The spiral shell
Female (8) top is additionally provided with concrete protective cap (10).
7. the prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower according to claim 1, it is characterized in that：The cushion cap is logical
Hole aperture is not less than three times to drawing reinforcing bar (5) diameter.
8. the prefabricated assembled pile foundation of bearing platform plinth of a kind of transmission tower according to claim 1, it is characterized in that：In use, institute
State cushion cap through-hole and the gap between drawing reinforcing bar (5), cylindrical connecting groove (12), apopore (11) filling concrete sand
Slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721650797.5U CN207919592U (en) | 2017-12-01 | 2017-12-01 | A kind of prefabricated assembled pile foundation of bearing platform plinth of transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721650797.5U CN207919592U (en) | 2017-12-01 | 2017-12-01 | A kind of prefabricated assembled pile foundation of bearing platform plinth of transmission tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207919592U true CN207919592U (en) | 2018-09-28 |
Family
ID=63613287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721650797.5U Active CN207919592U (en) | 2017-12-01 | 2017-12-01 | A kind of prefabricated assembled pile foundation of bearing platform plinth of transmission tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207919592U (en) |
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2017
- 2017-12-01 CN CN201721650797.5U patent/CN207919592U/en active Active
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