CN204849805U - Steel pipe pole is with prefabricated basis of stake formula - Google Patents
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- CN204849805U CN204849805U CN201520533073.7U CN201520533073U CN204849805U CN 204849805 U CN204849805 U CN 204849805U CN 201520533073 U CN201520533073 U CN 201520533073U CN 204849805 U CN204849805 U CN 204849805U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 137
- 239000010959 steel Substances 0.000 title claims abstract description 137
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 34
- 210000003205 muscle Anatomy 0.000 claims abstract description 20
- 239000003351 stiffener Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000001050 lubricating effect Effects 0.000 claims description 17
- 239000003973 paint Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 9
- 210000005056 cell body Anatomy 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 15
- 238000009933 burial Methods 0.000 abstract description 6
- 239000002689 soil Substances 0.000 description 31
- 238000005260 corrosion Methods 0.000 description 10
- 229920006334 epoxy coating Polymers 0.000 description 8
- 239000003921 oil Substances 0.000 description 8
- 239000004814 polyurethane Substances 0.000 description 8
- 229920002635 polyurethane Polymers 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 239000002585 base Substances 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 240000007651 Rubus glaucus Species 0.000 description 2
- 235000011034 Rubus glaucus Nutrition 0.000 description 2
- 235000009122 Rubus idaeus Nutrition 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 239000002199 base oil Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a steel pipe pole is with prefabricated basis of stake formula, including the concrete with the inside frame of concrete, the frame includes spiral muscle, main muscle and steel ring, spiral muscle edge sets up main muscle, main muscle upper end sets up the steel ring, the steel ring upper end sets up the ring flange, the ring flange below sets up the stiffener, the stiffener with the outside of steel ring is connected, the basis is prefabricated in the mill, set up stabilizing mean on the basis. Concrete placement is adopted on steel pipe pole basis, more traditional steel basis cost reduction many, and also improved more than 1 times on the cycle of using, the basis can prefabricate completions in the factory building, can install by direct direct burial when constructing, later alright with the setting of steel pipe pole main part on the basis, more original concrete scene concreting construction technique has improved on construction speed more than 10 times, has accelerated electric power tower's construction progress greatly.
Description
Technical field
The utility model relates to steel pipe pole technical field, is specifically related to a kind of steel pipe pole stake formula prefabricated foundation.
Background technology
In recent years, along with advancing by leaps and bounds of power technology, power industry also becomes one of whole world industry with the fastest developing speed.At home, because country is to the attention of power domain, and the needs of rapid economic development, the electric force pole tower industry of China also remains swift and violent growth trend always, various electric power facility and power equipment can not meet the needs of the growing cultural life of people, the particularly quantity of electric force pole tower critical shortage, still it is not enough or even without the available situation of electricity to there is supply of electric power in a lot of area, but, the construction of electric force pole tower is not easy, particularly in remote mountain area, rain frequently area and continue longer area severe winter, because the curing condition of concrete foundation does not allow with maintenance durations longer, cause the significant delay of electric force pole tower construction speed.
Therefore traditional steel pipe pole basis adopts steel piece mostly, but want to arrange the steel pipe pile up to tens meters, the length on basis generally reaches more than four meters, width more than half meter, although the inside on basis can be middle control structure, whole basis also needs the steel of at substantial, cost increases greatly, and steel pipe pile foundation adopts steel piece also to need to consider corrosion-resistant problem, iron and steel becomes iron oxide phenomenon by environmental activity is called corrosion, steel pipe pile foundation imbeds ground, a large amount of moisture and air can be contacted, therefore anticorrosion is a great problem, greatly limit the development of steel steel pipe pile.
Publication number is that the utility model of 202737117U provides a kind of steel pipe pole castinplace pile ground device, it comprises reinforcing cage, it is characterized in that stone bolt welds with reinforcing cage, overlap joint area is not less than the section area of stone bolt, connects into electric path between each component.But this utility model mainly solves castinplace pile ground resistance problem, and employing is cast in situs, and the engineering time is longer, uses inconvenience.Therefore designing a kind of basis that can support higher steel pipe pole is prior art problem to be solved.
Utility model content
Problem to be solved in the utility model is to provide a kind of steel pipe pole stake formula prefabricated foundation, concrete material is adopted to greatly reduce the cost on basis, and basis is prefabricated in the factory, greatly reduce the set-up time of steel pipe pole, accelerate the construction speed of electric force pole tower.
A kind of steel pipe pole stake formula prefabricated foundation, comprise the framework of concrete and described inside concrete, described framework comprises spiral bar, main muscle and steel ring, described spiral bar edge arranges described main muscle, described main muscle upper end arranges described steel ring, and described steel ring upper end arranges flange, arranges stiffener below described flange, described stiffener is connected with the outside of described steel ring, and described basis is prefabricated in the factory.
Further, described basis arranges stabilizing mechanism.
Further, described stabilizing mechanism is arranged on described basic internal, described stabilizing mechanism comprise be arranged in parallel with described main muscle press down steel pipe, described pressing down on steel pipe arranges stull steel pipe, the two ends of described stull steel pipe extend to described surface of base, described in press down steel pipe and described stull steel pipe is connected, described in press down in steel pipe down-pressed pole be set, arrange needling in described stull steel pipe, described down-pressed pole is moving down in process described needling generation transverse shear stress power.
Further, described stull steel pipe is several, and described needling is several.
Further, described down-pressed pole lower end is conical, and the center, one end that described needling and described down-pressed pole can contact arranges arc cell body, and the other end of described needling is cross.
Further, the rear surface of described down-pressed pole arranges lubricating layer.
Further, described stull steel pipe internal-surface arranges lubricating layer.
Further, described lubricating layer adopts graphite linings.
Further, the surface of described needling arranges anticorrosive paint.
Preparation method of the present utility model comprises the steps: first to be welded by the unit of framework, then carries out concreting, carries out the welding of flange and stiffener after waiting hardening of concrete, prepared by basis.If arrange stabilizing mechanism in basis, being then arranged on framework by stabilizing mechanism before concreting, just stabilizing mechanism can being arranged on basic internal when building, now down-pressed pole and needling need not put into stabilizing mechanism, can facilitate the transport on basis.
When using the application basic, adopt the method for direct burial, when basis being put into the hole, hole dug, first down-pressed pole and needling are put into stabilizing mechanism, needling is played a supporting role to down-pressed pole in stull steel pipe, and down-pressed pole upper end can exceed basic upper end, basis regulates the gradient of flange face after putting into the hole, hole dug, ensure that flange face is horizontally disposed with, then start reclaimed soil and compacting, basis has been imbedded.Finally adopting the mode of hammering or jack to be pounded by down-pressed pole presses down in steel pipe, needling can outwards promote by down-pressed pole, making a part for needling stretch out basis inserts in the earth around of basis, increase the contact area of basis and soil, increase the earth-grasping force degree on basis, the maximum overturning moment on basis is improved greatly.
The concrete that what concrete adopted is rubble, cement are obtained, the concrete initial setting time is very short, but want concrete by the time to harden completely, more than the time needing two weeks, in traditional construction or use steel basis or be exactly build at the scene to make concrete foundation, the former is easily corroded and cost is higher, the latter's engineering time is oversize, causes the time of engineering to spend more.The basis of the application is prefabricated in factory building, with vehicle, prefabricated basis is pulled to construction plant when needing to stand up steel pipe pole and carries out direct burial installation, the adjustment that the cost of whole time comprises flange balance spends at most several hours just can be carried out steel pipe pole cup and be connected with basis, greatly accelerate the speed of standing up of steel pipe pole, make the speed of integral construction improve more than 10 times.
Basis is not built at the scene and carries out the prefabricated maximal bending moment that can reduce pole and tower foundation to a certain extent, and its reason is that the joint face frictional force on basis with soil reduces, and basic prefabricated meeting causes surface flatness higher.Therefore the application adds stabilizing mechanism, is intended to strengthen basis and the contact area of soil, increases frictional force between the two.The shape of stabilizing mechanism and structure can be a variety of, as basic arranged outside annular steel disc, delavay raspberry herb, or extend stabiliser bar, this structure can be affect at basic landfill at that time, soil is backfilled inconvenient, more seriously by based on the impact of external device, can cause reclaimed soil can not compacting, affect the flintiness of earth itself, cause the insecure of basis.
The stabilizing mechanism principle of the application adopts after basis imbeds ground, stretches into soil needling is stretched out basis, increase basis and the contact area of soil on the one hand, make soil further compacting on the other hand.Stabilizing mechanism is by pressing down steel pipe and stull steel pipe is arranged on basic internal, arranges two needlings in every root stull steel pipe, and needling outwards ejects moving down in process by down-pressed pole, realizes stable function.Pressing down steel pipe is one, and stull steel pipe can arrange multiple, increases the needling quantity stretched in soil, increases the friction of basis and soil.In order to ensure that needling can eject by down-pressed pole laterally, the lower end of down-pressed pole is set to taper shape by the application's optimal selection, corresponding needling arranges arc cell body with the center, one end that down-pressed pole can contact, like this most at first, two needlings in stull steel pipe are docking together, the position of docking defines the force hole of similar circle by two deep-slotted chip breaker bodies, down-pressed pole is in the process moved down, first conical termination is stretched in arc cell body, in motion subsequently, just downward power can be transformed a part of lateral thrust become needling, realize the function ejected by needling.
For the ease of moving down of down-pressed pole and moving laterally of needling, lubricating layer is set at the rear surface of down-pressed pole, reduces the friction between down-pressed pole and needling, be convenient to down-pressed pole and move downward needling is ejected; Stull steel pipe internal-surface arranges lubricating layer, is convenient to needling outwards movement.One end that needling stretches into soil is cross, the i.e. shape that intersects vertically of two steel plates, its advantage is that being convenient to needling stretches in soil, and the Moment of shaft tower on needling time be upwards or downward power, criss-cross design is more sufficient than circular or square design support degree.The dynamics that needling will play is larger, therefore the material of needling is steel piece, here need to do preservative treatment to needling, can at its surface smear anti-corrosion material, anti-corrosion material uses epoxy coating and polyurethanes paint, epoxy coating has good decay resistance, particularly alkali resistance, and have good abrasion resistance, paint film has good elasticity and hardness, shrinkage factor is lower, and serviceability temperature can be reached for 90 ~ 100 DEG C; The highest heat resistance of polyurethanes paint is 155 DEG C, has good chemical resistance, oil resistivity, abrasion resistance and adhesive power, and paint film toughness and electrical insulating property are all better.Brush one deck polyurethanes paint on present needling in use, brush one deck epoxy coating again, can ensure that needling can not be scratched by earth when stretching into soil by its synergy high wearable of epoxy coating and the highly corrosion resistant of polyurethanes paint, perfectly can cover needling surface, ensure that needling can not be corroded at underground and bending fracture.
Lubricating layer adopts graphite linings, and graphite linings can select graphited oil, and graphited oil is by inorganic thickening agent multiviscosisty synthetic ester lubricant, and be added with ultra tiny graphite powder, graphited oil that the additive such as anti-oxidant, anticorrosive is refined.This ultra high temperature lubricating grease more than 200 DEG C during high temperature base oil slowly volatilize; graphite can be attached to lubricated surface and form solid lubrication; be exclusively used in the lubrication of high temperature friction parts under heavy load/impact load or humidity/contaminated environment and bearing, rust resistance and corrosion resistance protection is to greatest extent provided.In the application, use the frictional force that can reduce between down-pressed pole and needling and between needling and stull steel pipe, stull steel pipe internal-surface also can be prevented to be corroded.
The beneficial effects of the utility model are:
1, steel pipe pole basis adopts concreting, and more traditional steel base cost reduces many, and also improves more than 1 times on the cycle used, and is very applicable to promoting.
2, the basis of the application is prefabricated in factory building completes, can directly install by direct burial when constructing, just can be arranged on basis by steel pipe pole main body afterwards, more original concrete cast in situs construction technology improves more than 10 times on speed of application, greatly accelerates the construction speed of electric force pole tower.
3, the stabilizing mechanism arranged in prefabricated concrete foundation, can stretch into inside, soil after ground is imbedded on basis, increases the contact area of basis and soil, increases the maximum overturning moment on basis, makes the performance of shaft tower more superior.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is the structural representation of the utility model steel pipe pole stake formula prefabricated foundation;
Fig. 2 is the structural representation of the utility model stabilizing mechanism;
Fig. 3 is the structural representation of the utility model needling.
Detailed description of the invention
Embodiment one
As shown in Figure 1: the utility model provides a kind of steel pipe pole stake formula prefabricated foundation, comprise the framework of concrete 2 and described concrete 2 inside, described framework comprises spiral bar 6, main muscle 3 and steel ring 4, described spiral bar 6 edge arranges described main muscle 3, described main muscle 3 upper end arranges described steel ring 4, and described steel ring 4 upper end arranges flange 5, arranges stiffener 7 below described flange 5, described stiffener 7 is connected with the outside of described steel ring 4, and described basic 1 is prefabricated in the factory.More than the top of steel ring 4 when mounted basset 8, concrete 2 all imbeds underground.
The concrete that what concrete adopted is rubble, cement are obtained, the concrete initial setting time is very short, but want concrete by the time to harden completely, more than the time needing two weeks, in traditional construction or use steel basis or be exactly build at the scene to make concrete foundation, the former is easily corroded and cost is higher, the latter's engineering time is oversize, causes the time of engineering to spend more.The basis of the application is prefabricated in factory building, with vehicle, prefabricated basis is pulled to construction plant when needing to stand up steel pipe pole and carries out direct burial installation, the adjustment that the cost of whole time comprises flange balance spends at most several hours just can be carried out steel pipe pole cup and be connected with basis, greatly accelerate the speed of standing up of steel pipe pole, make the speed of integral construction improve more than 10 times.
Embodiment two
As shown in Figure 1, Figure 2, Figure 3 shows: the utility model additionally provides a kind of steel pipe pole stake formula prefabricated foundation, comprise the framework of concrete 2 and described concrete 2 inside, described framework comprises spiral bar 6, main muscle 3 and steel ring 4, described spiral bar 6 edge arranges described main muscle 3, described main muscle 3 upper end arranges described steel ring 4, described steel ring 4 upper end arranges flange 5, below described flange 5, stiffener 7 is set, described stiffener 7 is connected with the outside of described steel ring 4, and described basic 1 forms at factory's prefabricated by centrifugal process.
On described basic 1, stabilizing mechanism is set.
Described stabilizing mechanism is arranged on described basic 1 inside, described stabilizing mechanism comprise be arranged in parallel with described main muscle 3 press down steel pipe 9, described pressing down on steel pipe 9 arranges stull steel pipe 10, the two ends of described stull steel pipe 10 extend to described basic 1 surface, the described steel pipe 9 that presses down is connected with described stull steel pipe 10, described pressing down in steel pipe 9 arranges down-pressed pole 11, arrange needling 12 in described stull steel pipe 10, described down-pressed pole 11 produces transverse shear stress power to described needling 12 moving down in process.
Described stull steel pipe 10 is several, and described needling 12 is several.
Described down-pressed pole 11 lower end is conical, and the center, one end that described needling 12 can contact with described down-pressed pole 11 arranges arc cell body 14, and the other end of described needling 12 is cross.
The rear surface of described down-pressed pole 11 arranges lubricating layer 13.
Described stull steel pipe 10 inner surface arranges lubricating layer 13.
Described lubricating layer 13 adopts graphite linings.
The surface of described needling 12 arranges anticorrosive paint.
Preparation method of the present utility model comprises the steps: first to be welded by the unit of framework, then carries out concreting, carries out the welding of flange and stiffener after waiting hardening of concrete, prepared by basis.If arrange stabilizing mechanism in basis, being then arranged on framework by stabilizing mechanism before concreting, just stabilizing mechanism can being arranged on basic internal when building, now down-pressed pole and needling need not put into stabilizing mechanism, can facilitate the transport on basis.
When using the application basic, adopt the method for direct burial, when basis being put into the hole, hole dug, first down-pressed pole and needling are put into stabilizing mechanism, needling is played a supporting role to down-pressed pole in stull steel pipe, and down-pressed pole upper end can exceed basic upper end, basis regulates the gradient of flange face after putting into the hole, hole dug, ensure that flange face is horizontally disposed with, then start reclaimed soil and compacting, basis has been imbedded.Finally adopting the mode of hammering or jack to be pounded by down-pressed pole presses down in steel pipe, needling can outwards promote by down-pressed pole, making a part for needling stretch out basis inserts in the earth around of basis, increase the contact area of basis and soil, increase the earth-grasping force degree on basis, the maximum overturning moment on basis is improved greatly.
Basis is not built at the scene and carries out the prefabricated maximal bending moment that can reduce pole and tower foundation to a certain extent, and its reason is that the joint face frictional force on basis with soil reduces, and basic prefabricated meeting causes surface flatness higher.Therefore the application adds stabilizing mechanism, is intended to strengthen basis and the contact area of soil, increases frictional force between the two.The shape of stabilizing mechanism and structure can be a variety of, as basic arranged outside annular steel disc, delavay raspberry herb, or extend stabiliser bar, this structure can be affect at basic landfill at that time, soil is backfilled inconvenient, more seriously by based on the impact of external device, can cause reclaimed soil can not compacting, affect the flintiness of earth itself, cause the insecure of basis.
The stabilizing mechanism principle of the application adopts after basis imbeds ground, stretches into soil needling is stretched out basis, increase basis and the contact area of soil on the one hand, make soil further compacting on the other hand.Stabilizing mechanism is by pressing down steel pipe and stull steel pipe is arranged on basic internal, arranges two needlings in every root stull steel pipe, and needling outwards ejects moving down in process by down-pressed pole, realizes stable function.Pressing down steel pipe is one, and stull steel pipe can arrange multiple, increases the needling quantity stretched in soil, increases the friction of basis and soil.In order to ensure that needling can eject by down-pressed pole laterally, the lower end of down-pressed pole is set to taper shape by the application's optimal selection, corresponding needling arranges arc cell body with the center, one end that down-pressed pole can contact, like this most at first, two needlings in stull steel pipe are docking together, the position of docking defines the force hole of similar circle by two deep-slotted chip breaker bodies, down-pressed pole is in the process moved down, first conical termination is stretched in arc cell body, in motion subsequently, just downward power can be transformed a part of lateral thrust become needling, realize the function ejected by needling.
Stull steel pipe at 60 ° ~ 120 °, can ensure that within this angle down-pressed pole is sufficient to the outward thrust of needling, can ensure that needling stretches out basis and stretches into soil with the angle pressing down steel pipe.Optimized angle is 90 °, and the horizontal thrust of down-pressed pole and needling is steadily strong, be convenient to the movement of needling, and the needling of level can ensure that the earth-grasping force of basic both sides is substantially identical, make the maximum overturning moment numerical value on steel pipe pole basis larger.
For the ease of moving down of down-pressed pole and moving laterally of needling, lubricating layer is set at the rear surface of down-pressed pole, reduces the friction between down-pressed pole and needling, be convenient to down-pressed pole and move downward needling is ejected; Stull steel pipe internal-surface arranges lubricating layer, is convenient to needling outwards movement.One end that needling stretches into soil is cross, the i.e. shape that intersects vertically of two steel plates, its advantage is that being convenient to needling stretches in soil, and the Moment of shaft tower on needling time be upwards or downward power, criss-cross design is more sufficient than circular or square design support degree.The dynamics that needling will play is larger, therefore the material of needling is steel piece, here need to do preservative treatment to needling, can at its surface smear anti-corrosion material, anti-corrosion material uses epoxy coating and polyurethanes paint, epoxy coating has good decay resistance, particularly alkali resistance, and have good abrasion resistance, paint film has good elasticity and hardness, shrinkage factor is lower, and serviceability temperature can be reached for 90 ~ 100 DEG C; The highest heat resistance of polyurethanes paint is 155 DEG C, has good chemical resistance, oil resistivity, abrasion resistance and adhesive power, and paint film toughness and electrical insulating property are all better.Brush one deck polyurethanes paint on present needling in use, brush one deck epoxy coating again, can ensure that needling can not be scratched by earth when stretching into soil by its synergy high wearable of epoxy coating and the highly corrosion resistant of polyurethanes paint, perfectly can cover needling surface, ensure that needling can not be corroded at underground and bending fracture.
Lubricating layer adopts graphite linings, and graphite linings can select graphited oil, and graphited oil is by inorganic thickening agent multiviscosisty synthetic ester lubricant, and be added with ultra tiny graphite powder, graphited oil that the additive such as anti-oxidant, anticorrosive is refined.This ultra high temperature lubricating grease more than 200 DEG C during high temperature base oil slowly volatilize; graphite can be attached to lubricated surface and form solid lubrication; be exclusively used in the lubrication of high temperature friction parts under heavy load/impact load or humidity/contaminated environment and bearing, rust resistance and corrosion resistance protection is to greatest extent provided.In the application, use the frictional force that can reduce between down-pressed pole and needling and between needling and stull steel pipe, stull steel pipe internal-surface also can be prevented to be corroded.
Compare the different model steel pipe pole underlying parameter of two kinds of embodiments of the present utility model and the steel pipe pole of prior art below, embodiment one is without stabilizing mechanism, and embodiment two has stabilizing mechanism.
Overturning moment refers to the moment of flexure that structure produces in architecture basics bottom surface under horizontal loads, when the overturning moment of structure is greater than the overturning or slip resistance analysis moment of flexure of structure, structure will be collapsed by overall collapse, and when arriving the numerical value that this can topple, be the maximum overturning moment on basis, be commonly used to the performance showing shaft tower.
Contrast with regard to the different steel pipe pole bases of right 40 meters, 35 meters, 30 meters below, participate in the prefabricated foundation having poured in place concrete of the prior art basis, steel base, the application compared:
As can be seen from the above table, the application's steel pipe pole prefabricated foundation is substantially identical with concrete foundation numerical value on maximum overturning moment of cast in situs in without stabilizing mechanism, but the application basis is prefabricated in factory building to complete, can the main body of direct joint steel pipe bar after landfill, speed of application comparatively conventional art improves more than 10 times, and the maximum overturning moment of the application's steel pipe pole prefabricated foundation when there being stabilizing mechanism than steel base is also large, and concrete foundation is higher than the basis of steel on service life, therefore the technology that the utility model is more traditional has very large progress, solve an electric force pole tower difficult problem for a long time, transmission line construction speed and quality is made to have huge raising.
Claims (9)
1. a steel pipe pole stake formula prefabricated foundation, it is characterized in that: the framework comprising concrete and described inside concrete, described framework comprises spiral bar, main muscle and steel ring, described spiral bar edge arranges described main muscle, described main muscle upper end arranges described steel ring, described steel ring upper end arranges flange, arranges stiffener below described flange, and described stiffener is connected with the outside of described steel ring.
2. steel pipe pole stake formula prefabricated foundation as claimed in claim 1, is characterized in that: described basis arranges stabilizing mechanism.
3. steel pipe pole stake formula prefabricated foundation as claimed in claim 2, it is characterized in that: described stabilizing mechanism is arranged on described basic internal, described stabilizing mechanism comprise be arranged in parallel with described main muscle press down steel pipe, described pressing down on steel pipe arranges stull steel pipe, the two ends of described stull steel pipe extend to described surface of base, describedly press down steel pipe and described stull steel pipe is connected, described pressing down in steel pipe arranges down-pressed pole, arrange needling in described stull steel pipe, described down-pressed pole is moving down in process described needling generation transverse shear stress power.
4. steel pipe pole stake formula prefabricated foundation as claimed in claim 3, is characterized in that: described stull steel pipe is several, and described needling is several.
5. steel pipe pole stake formula prefabricated foundation as claimed in claim 3, is characterized in that: described down-pressed pole lower end is for conical, and the center, one end that described needling and described down-pressed pole can contact arranges arc cell body, and the other end of described needling is cross.
6. steel pipe pole stake formula prefabricated foundation as claimed in claim 5, is characterized in that: the rear surface of described down-pressed pole arranges lubricating layer.
7. steel pipe pole stake formula prefabricated foundation as claimed in claim 3, is characterized in that: described stull steel pipe internal-surface arranges lubricating layer.
8. steel pipe pole stake formula prefabricated foundation as claimed in claims 6 or 7, is characterized in that: described lubricating layer adopts graphite linings.
9. steel pipe pole stake formula prefabricated foundation as claimed in claim 5, is characterized in that: the surface of described needling arranges anticorrosive paint.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520533073.7U CN204849805U (en) | 2015-07-22 | 2015-07-22 | Steel pipe pole is with prefabricated basis of stake formula |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520533073.7U CN204849805U (en) | 2015-07-22 | 2015-07-22 | Steel pipe pole is with prefabricated basis of stake formula |
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| CN204849805U true CN204849805U (en) | 2015-12-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105002922A (en) * | 2015-07-22 | 2015-10-28 | 国家电网公司 | Pile type precast foundation for steel pipe pole |
| CN106760865A (en) * | 2016-10-26 | 2017-05-31 | 国网山东省电力公司济南市长清区供电公司 | A kind of electric power bar |
| CN110004883A (en) * | 2019-02-11 | 2019-07-12 | 中国水电基础局有限公司 | A kind of compound core-wall structure of earth and rockfill dam and construction method |
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2015
- 2015-07-22 CN CN201520533073.7U patent/CN204849805U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105002922A (en) * | 2015-07-22 | 2015-10-28 | 国家电网公司 | Pile type precast foundation for steel pipe pole |
| CN106760865A (en) * | 2016-10-26 | 2017-05-31 | 国网山东省电力公司济南市长清区供电公司 | A kind of electric power bar |
| CN106760865B (en) * | 2016-10-26 | 2018-12-11 | 国网山东省电力公司济南市长清区供电公司 | A kind of electric power bar |
| CN110004883A (en) * | 2019-02-11 | 2019-07-12 | 中国水电基础局有限公司 | A kind of compound core-wall structure of earth and rockfill dam and construction method |
| CN110004883B (en) * | 2019-02-11 | 2024-03-26 | 中国水电基础局有限公司 | Composite core wall structure of earth-rock dam and construction method |
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