CN204849739U - Drilling is pressed to irritate and is inserted steel reinforcement cage multiple spot after stake and deliver ware - Google Patents
Drilling is pressed to irritate and is inserted steel reinforcement cage multiple spot after stake and deliver ware Download PDFInfo
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- CN204849739U CN204849739U CN201520487917.9U CN201520487917U CN204849739U CN 204849739 U CN204849739 U CN 204849739U CN 201520487917 U CN201520487917 U CN 201520487917U CN 204849739 U CN204849739 U CN 204849739U
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Abstract
The utility model relates to a drilling is pressed to irritate and is inserted steel reinforcement cage multiple spot after stake and deliver ware belongs to the drilling bored concrete pile pile forming rig technical field in the foundation construction of building engineering ground for solve in advance during the pore -forming guncreting becomes to insert after the stake steel reinforcement cage construction, crooked deformation damage when the steel reinforcement cage sinks sink to the problem of projected depth under unable even. This delivery ware includes the conversion dish, delivers pole, well low frequency vibration ware, steel hoop, and the steel hoop includes inboard steel hoop and outside steel hoop, and inboard steel hoop and outside steel hoop weld respectively in the inside and outside both sides of steel reinforcement cage longitudinal reinforcement, at least a set of multiple spot vibrating device, multiple spot vibrating device includes L shaped steel muscle and sleeve, and the shoe, the shoe is going up the wide frame construction of narrow round platform type down by what apical ring board, bracing and bottom ring board were formed, the terminal fixed connection of apical ring board and the longitudinal reinforcement of steel reinforcement cage.
Description
Technical field
The utility model relates to the bored pile pile-forming equipment technical field in construction work foundation basic construction, particularly inserts reinforcing cage multiple spot dropping feeder after a kind of drilled press-grouting pile.
Background technology
At present, in the foundation basic construction of industry and civil building engineering, in long auger, pipe pumping of concrete also in the stake holes of pouring into plain concrete vibration insert reinforcing cage, be called drilled press-grouting pile.Drilled press-grouting pile has that pile quality is good, construction cost is low, efficiency of construction is high and the comprehensive technology advantage such as work progress environmental protection.As shown in Figure 1, traditional drilling & grouting piling pile constructing process utilizes the changeover panel 2 being placed in reinforcing cage 1 top, and the delivery bar 4 being connected with medium and low frequency vibrating device 3 is run through be arranged in reinforcing cage 1, from top, vertical pressure is applied to reinforcing cage and reinforcing cage inserts plain concrete pile body by vibration.But, because the rigidity of reinforcing cage itself is also little, especially when its length is longer (as cage is grown up in 20m stake), add the resistance that drilled press-grouting pile stake holes inner concrete is larger, traditional cage putting device can cause reinforcing cage top and the larger stress of end to concentrate, therefore in the process of reinforcing cage sinking, reinforcing cage very easily occurs bending and deformation or damages in stake holes, and the flexural deformation of reinforcing cage can have a strong impact on pile quality, and the sinking construction of reinforcing cage also cannot carry out smoothly.And when length of reinforcing cage is long, because concrete buoyancy is very large, reinforcing cage is difficult to even may not sink to projected depth.
Utility model content
The purpose of this utility model inserts reinforcing cage multiple spot dropping feeder after being to provide a kind of drilled press-grouting pile, for solving in the construction of preexisting hole guncreting pile-forming after-inserted reinforcing cage, flexural deformation damage when reinforcing cage sinks, even cannot sink to projected depth, thus affect the problem of pile quality.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
Insert reinforcing cage multiple spot dropping feeder after drilled press-grouting pile, comprising: a changeover panel being arranged at described reinforcing cage top; One to match with described changeover panel and vertically to run through the delivery bar of described reinforcing cage; The one medium and low frequency vibrator being arranged at described delivery masthead end; Also comprise: stirrup, described stirrup comprises inner side stirrup and outside stirrup, and described inner side stirrup and described outside stirrup are welded in the inside and outside both sides of described reinforcing cage longitudinal reinforcement respectively; At least one group of multiple spot vibrating device, described multiple spot vibrating device comprises the L-type reinforcing bar be welded on described delivery bar and the sleeve be welded on the stirrup of described inner side, and described L-type reinforcing bar matches with described sleeve; And shoe, described shoe is the frame construction of the circular platform type wide at the top and narrow at the bottom be made up of apical ring plate, diagonal brace and bottom circumferential lamella, and described apical ring plate is fixedly connected with the end of the longitudinal reinforcement of described reinforcing cage.
Further, the internal diameter of described sleeve is slightly larger than the diameter of described L-type reinforcing bar.
Further, often organizing described multiple spot vibrating device is 3, and 3 described multiple spot vibrating devices are 120 ° along described stirrup corresponding cross section circumference and angularly arrange.
Further, the lower end of described diagonal brace is knife edge type.
Further, described diagonal brace is 3, and 3 described diagonal braces are 120 ° along described apical ring plate and described bottom circumferential lamella circumference and angularly distribute.
Further, the diameter of described delivery bar is slightly larger than described bottom circumferential lamella internal diameter.
Further, the vertical spacing described in adjacent two groups between multiple spot vibrating device is 2-3 times of described reinforcing cage internal diameter.
Compared with prior art, the technique effect that the utility model is useful is: insert reinforcing cage multiple spot dropping feeder after the drilled press-grouting pile that the utility model provides, comprise the changeover panel being arranged at reinforcing cage top; Match with changeover panel and vertically run through the delivery bar of reinforcing cage; Be arranged at the medium and low frequency vibrator delivering masthead end; Lay respectively at both sides inside and outside reinforcing cage and the inner side stirrup be welded to connect with longitudinal reinforcement and outside stirrup; At least one group of multiple spot vibrating device, multiple spot vibrating device comprises the L-type reinforcing bar being welded on and delivering on bar and the sleeve be welded on the stirrup of inner side, and L-type reinforcing bar matches with sleeve; And shoe, shoe is the frame construction of the circular platform type be made up of apical ring plate, diagonal brace and bottom circumferential lamella, and the diameter of apical ring plate is greater than the diameter of bottom circumferential lamella, and the end of the longitudinal reinforcement of apical ring plate and reinforcing cage is welded to connect.Reinforcing cage multiple spot dropping feeder is inserted after this drilled press-grouting pile, make the plain concrete of drilled press-grouting pile more closely knit under reinforcing cage body vibration, be conducive to reinforcing cage containing the sinking in the hole for grout pile of plain concrete simultaneously, improve pile efficiency and pile-forming effect.And, the setting of stirrup and multiple spot vibrating device further enhances the integral rigidity of reinforcing cage, and make the entirety of reinforcing cage stressed evenly, while improving reinforcing cage sinking efficiency, reduce the possibility that reinforcing cage occurs bending and deformation or damages in stake holes, further increase the quality of pile.In addition, the lower resistance steel shoe of reinforcing cage end improves the integral rigidity of reinforcing cage end.This multiple spot dropping feeder structure is simply firm, improves construction quality and efficiency of construction.Insert reinforcing cage multiple spot dropping feeder after drilled press-grouting pile of the present utility model, solve in the construction of preexisting hole guncreting pile-forming after-inserted reinforcing cage, the technical barrier of large, the flexible distortion of large length reinforcing cage sinking difficulty, guncreting pile length limited.
Accompanying drawing explanation
Fig. 1 is the structural representation inserting reinforcing cage dropping feeder after existing drilled press-grouting pile;
Fig. 2 is the structural representation inserting reinforcing cage dropping feeder after the drilled press-grouting pile of the utility model one embodiment;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the structural representation of the multiple spot vibrating device inserting reinforcing cage dropping feeder after the drilled press-grouting pile of the utility model one embodiment;
Fig. 5 is the structural representation of the shoe of the multiple spot vibrating device inserting reinforcing cage dropping feeder after the drilled press-grouting pile of the utility model one embodiment;
Fig. 6 is the B-B sectional view of Fig. 5;
Fig. 7 is the structural representation of the diagonal brace inserting reinforcing cage dropping feeder after the drilled press-grouting pile of the utility model one embodiment.
Detailed description of the invention
Be described in further detail inserting reinforcing cage multiple spot dropping feeder after the drilled press-grouting pile that the utility model proposes below in conjunction with the drawings and specific embodiments.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, aid illustration the utility model embodiment lucidly.For sake of convenience, hereinafter described " on ", D score is consistent with the upper and lower direction of accompanying drawing, but this can not become the restriction of technical solutions of the utility model.
The utility model inserts reinforcing cage multiple spot dropping feeder after providing a kind of drilled press-grouting pile, for solving in the construction of preexisting hole guncreting pile-forming after-inserted reinforcing cage, flexural deformation damage when reinforcing cage sinks, even cannot sink to projected depth, thus affect the problem of pile quality.
Reinforcing cage multiple spot dropping feeder is inserted after describing drilled press-grouting pile of the present utility model in detail below in conjunction with Fig. 2 to Fig. 7.
Embodiment one
Insert reinforcing cage multiple spot dropping feeder after the drilled press-grouting pile of the present embodiment, comprise the changeover panel 20 that is arranged at reinforcing cage 10 top; One to match with changeover panel 20 and vertically to run through the delivery bar 30 of reinforcing cage 10; Stirrup 13, stirrup 13 comprises inner side stirrup 131 and outside stirrup 132, and inner side stirrup 131 and outside stirrup 132 are welded in the inside and outside both sides of reinforcing cage 10 longitudinal reinforcement 11 respectively; One is arranged at the medium and low frequency vibrator 40 delivering bar 30 top; At least one group of multiple spot vibrating device 50, multiple spot vibrating device 50 comprises the L-type reinforcing bar 51 being welded on and delivering on bar 30 and the sleeve 52 be welded on the stirrup 131 of inner side, and L-type reinforcing bar 51 matches with sleeve 52; And shoe 60, shoe 60 is the frame construction (namely the diameter of apical ring plate 61 is greater than the diameter of bottom circumferential lamella 63) of the circular platform type wide at the top and narrow at the bottom of apical ring plate 61, diagonal brace 62 and bottom circumferential lamella 63 composition, and apical ring plate 61 is fixedly connected with the end of the longitudinal reinforcement 11 of reinforcing cage.
Specifically, can according to Practical Project demand subsection setup at least one group of multiple spot vibrating device 50, the plain concrete making drilling & grouting piling note stake obtains effectively closely knit, is conducive to reinforcing cage 10 containing the sinking in the hole for grout pile of plain concrete simultaneously, improves pile efficiency and pile-forming effect.The sinking construction that reinforcing cage multiple spot dropping feeder is applicable to longer reinforcing cage is inserted after the drilled press-grouting pile of the present embodiment, solve the technical barrier of large, the flexible distortion of large length reinforcing cage sinking difficulty and guncreting pile length limited, be particularly useful for the foundation pile of elongated arrangement of reinforcement, slope protection pile, uplift pile etc.And, for fixing multiple spot vibration the delivery device 50 and L-type reinforcing bar 51 that design and sleeve 52 structure thereof make the reinforcing cage 10 in sinking stage at the overall uniform stressed of drive descending reinforcing cage 10 of delivery bar 30, its vertical reinforcement 11 Internal and external cycle stirrup, namely the setting of inner side stirrup 131 and outside stirrup 132 further enhances the integral rigidity of reinforcing cage 10, while raising reinforcing cage 10 sinks efficiency, reduce the possibility that reinforcing cage 10 occurs bending and deformation or damages in stake holes, further increase the quality of pile.The lower resistance steel shoe 60 of reinforcing cage end improves the integral rigidity of reinforcing cage end.
Further, sleeve 52 internal diameter is a bit larger tham L-type bar diameter (about 10mm), so that be welded in deliver L-type reinforcing bar 51 fast and easy of bar 30 aims at and insert be welded in inside in sleeve 52 on stirrup 131, and after reinforcing cage 10 is shipped to projected depth, facilitate L-type reinforcing bar 51 to extract out in sleeve 52.
Certainly, consider dispersion reinforcing cage 10 vertical applied force, the vertical pressure applied in the process avoiding medium and low frequency vibrating device 40 to sink at reinforcing cage 10, reinforcing cage 10 top and the larger stress of end is caused to concentrate, and cause reinforcing cage 10 occur bending and deformation in stake holes or damage, affect the problem of pile quality, often organizing multiple spot vibrating device 50 is 3, and 3 multiple spot vibrating devices 50 are 120 ° along stirrup corresponding cross section circumference and angularly arrange.Vertical spacing between two groups of adjacent multiple spot vibrating devices 50 is 2-3 times of reinforcing cage internal diameter.Preferably, as shown in Figure 7, the lower end of diagonal brace 62 is knife edge type, and the edge of a knife to sink direction towards reinforcing cage 10, to reduce the resistance of concrete to shoe 60, reduce reinforcing cage 10 because of stress raisers occur bending and deformation may.And lower resistance steel shoe 60 can increase the rigidity of reinforcing cage 10 end while concrete resistance when reducing reinforcing cage 10 and sinking.Diagonal brace 62 is 3, and 3 diagonal braces 62 are 120 ° along apical ring plate 61 and bottom circumferential lamella 62 circumference and angularly distribute, thus make shoe 60 stress balance.Especially, the longitudinal reinforcement 11 of reinforcing cage 10 end is all welded on apical ring plate 61, the diameter delivering the bar head of bar 30 is greater than the internal diameter of bottom circumferential lamella 62, therefore deliver bar 30 and to be stuck in bottom circumferential lamella 62 thus to make to deliver bar 30 and drive lower resistance steel shoe 60 and then drive in the plain concrete of reinforcing cage 10 in stake holes, and prevent reinforcing cage 10 be out of shape or damage, thus ensure pile quality.
Accordingly, the present embodiment inserts the using method of reinforcing cage multiple spot dropping feeder after additionally providing drilled press-grouting pile.Incorporated by reference to referring to figs. 2 to Fig. 7, insert the using method of reinforcing cage multiple spot dropping feeder after drilled press-grouting pile, comprise the following steps:
S001: adopt drilling tool pore-forming, and to pump pressure concrete in stake holes;
S002: drilling & grouting piling is noted stake afterwards insert reinforcing cage multiple spot dropping feeder be installed on reinforcing cage 10;
S003: utilize crane to be hung in by the reinforcing cage 10 being provided with multiple spot dropping feeder above stake holes and aim at spacing;
S004: utilize 10 of reinforcing cage self gravity to sink after a segment distance, along with continuous sinking resistance suffered by it of reinforcing cage 10 increases gradually, treat that reinforcing cage 10 cannot rely on deadweight to continue to sink, start medium and low frequency vibrator 40, reinforcing cage 10 body vibration is made to sink down into design attitude, and adopt crane to drive delivery bar 30 to rise, deliver bar 30 end to depart from from bottom circumferential lamella 62, L-type reinforcing bar 51 departs from from sleeve 52, bar 30 is delivered until pull out completely, reinforcing cage 10 stays design attitude, after concrete setting thus formed reinforced concrete pile.。
Especially, step S002 comprises and aims at being welded in the L-type reinforcing bar 51 delivered on bar 30 and inserting in the sleeve 52 that is welded in inside reinforcing cage on stirrup 131, makes the end of delivery bar 30 be fastened on bottom circumferential lamella 63 simultaneously.
In sum, insert reinforcing cage multiple spot dropping feeder after drilled press-grouting pile of the present utility model, comprise the changeover panel being arranged at reinforcing cage top; Match with changeover panel and vertically run through the delivery bar of reinforcing cage; Be arranged at the medium and low frequency vibrator delivering masthead end; Be welded in inner side stirrup and the outside stirrup of both sides inside and outside reinforcing cage longitudinal reinforcement respectively; At least one group of multiple spot vibrating device, multiple spot vibrating device comprises the L-type reinforcing bar be welded on delivery bar and the sleeve be welded on the stirrup of reinforcing cage longitudinal reinforcement, and L-type reinforcing bar matches with sleeve; And shoe, shoe is the frame construction of the circular platform type of apical ring plate, diagonal brace and bottom circumferential lamella composition, and the diameter of apical ring plate is greater than the diameter of bottom circumferential lamella, and the end of the longitudinal reinforcement of apical ring plate and reinforcing cage is welded to connect.Insert reinforcing cage multiple spot dropping feeder after this drilled press-grouting pile, make the plain concrete of drilled press-grouting pile obtain effective jolt ramming, be conducive to reinforcing cage containing the sinking in the hole for grout pile of plain concrete simultaneously, improve pile efficiency and pile-forming effect.And the setting of stirrup and multiple spot vibrating device further enhances the integral rigidity of reinforcing cage, while improving reinforcing cage sinking efficiency, reduce the possibility that reinforcing cage occurs bending and deformation or damages in stake holes, further increase the quality of pile.In addition, the lower resistance steel shoe of reinforcing cage end improves the integral rigidity of reinforcing cage end.After using drilled press-grouting pile of the present utility model, insert reinforcing cage multiple spot dropping feeder, the overall uniform force of reinforcing cage, reduce the reinforcing cage caused because of stress raisers in reinforcing cage sinking watching and bend and damage.Solve in the construction of preexisting hole guncreting pile-forming after-inserted reinforcing cage, the technical barrier of large, the flexible distortion of large length reinforcing cage sinking difficulty, guncreting pile length limited.
Foregoing description is only the description to the utility model preferred embodiment; any restriction not to the utility model scope; any change that the those of ordinary skill in the utility model field does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (7)
1. insert reinforcing cage multiple spot dropping feeder after drilled press-grouting pile, comprising:
One changeover panel being arranged at described reinforcing cage top;
One to match with described changeover panel and vertically to run through the delivery bar of described reinforcing cage;
The one medium and low frequency vibrator being arranged at described delivery masthead end;
It is characterized in that, also comprise:
Stirrup, described stirrup comprises inner side stirrup and outside stirrup, and described inner side stirrup and described outside stirrup are welded in the inside and outside both sides of described reinforcing cage longitudinal reinforcement respectively;
At least one group of multiple spot vibrating device, described multiple spot vibrating device comprises the L-type reinforcing bar be welded on described delivery bar and the sleeve be welded on the stirrup of described inner side, and described L-type reinforcing bar matches with described sleeve; And
Shoe, described shoe is the frame construction of the circular platform type wide at the top and narrow at the bottom be made up of apical ring plate, diagonal brace and bottom circumferential lamella, and described apical ring plate is fixedly connected with the end of the longitudinal reinforcement of described reinforcing cage.
2. insert reinforcing cage multiple spot dropping feeder after drilled press-grouting pile as claimed in claim 1, it is characterized in that, the internal diameter of described sleeve is slightly larger than the diameter of described L-type reinforcing bar.
3. insert reinforcing cage multiple spot dropping feeder after drilled press-grouting pile as claimed in claim 1, it is characterized in that, often organizing described multiple spot vibrating device is 3, and 3 described multiple spot vibrating devices are 120 ° along described stirrup corresponding cross section circumference and angularly arrange.
4. insert reinforcing cage multiple spot dropping feeder after drilled press-grouting pile as claimed in claim 1, it is characterized in that, the lower end of described diagonal brace is knife edge type.
5. insert reinforcing cage multiple spot dropping feeder after drilled press-grouting pile as claimed in claim 4, it is characterized in that, described diagonal brace is 3, and 3 described diagonal braces are 120 ° along described apical ring plate and described bottom circumferential lamella circumference and angularly distribute.
6. insert reinforcing cage multiple spot dropping feeder after drilled press-grouting pile as claimed in claim 1, it is characterized in that, the diameter of described delivery bar is slightly larger than described bottom circumferential lamella internal diameter.
7. insert reinforcing cage multiple spot dropping feeder after drilled press-grouting pile as claimed in claim 1, it is characterized in that, the vertical spacing described in adjacent two groups between multiple spot vibrating device is 2-3 times of described reinforcing cage internal diameter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520487917.9U CN204849739U (en) | 2015-07-08 | 2015-07-08 | Drilling is pressed to irritate and is inserted steel reinforcement cage multiple spot after stake and deliver ware |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520487917.9U CN204849739U (en) | 2015-07-08 | 2015-07-08 | Drilling is pressed to irritate and is inserted steel reinforcement cage multiple spot after stake and deliver ware |
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| CN204849739U true CN204849739U (en) | 2015-12-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975597A (en) * | 2015-07-08 | 2015-10-14 | 上海建工二建集团有限公司 | Cast-in situ bored pile post-inserted steel reinforcement cage multi-point delivery device and use method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975597A (en) * | 2015-07-08 | 2015-10-14 | 上海建工二建集团有限公司 | Cast-in situ bored pile post-inserted steel reinforcement cage multi-point delivery device and use method |
| CN104975597B (en) * | 2015-07-08 | 2017-01-18 | 上海建工二建集团有限公司 | Cast-in situ bored pile post-inserted steel reinforcement cage multi-point delivery device and use method |
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