CN212983840U - Vertical pile structure convenient for excavation of deep foundation pit - Google Patents
Vertical pile structure convenient for excavation of deep foundation pit Download PDFInfo
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- CN212983840U CN212983840U CN202021705985.5U CN202021705985U CN212983840U CN 212983840 U CN212983840 U CN 212983840U CN 202021705985 U CN202021705985 U CN 202021705985U CN 212983840 U CN212983840 U CN 212983840U
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Abstract
The utility model relates to a pile erecting structure convenient to excavate deep basal pit relates to excavation supporting's field, and it includes the pile erecting body, the pile erecting body includes outer stake and interior stake, the interior stake is worn to locate in the outer stake, the interior stake is including dismantling the upper pile and lower stake of connection, the roof of stake and the roof parallel and level of outer stake down, the top level of outer stake is inserted and is equipped with clamping screw, the first fixed orifices that supplies clamping screw male is seted up at the top of stake down, the second fixed orifices that supplies clamping screw male is seted up at the top of upper pile, the equal threaded connection in both ends of clamping screw has lock nut. This application has the higher effect of construction safety nature of being convenient for construct.
Description
Technical Field
The application relates to the field of foundation pit support, especially, relate to a pile structure convenient to excavate deep basal pit.
Background
When a foundation pit with the actual depth reaching 10.2 meters is excavated beside a construction land close to a building, the available construction distance is small, thick-layer filling soil is distributed in the excavation depth range of the foundation pit, weathered gravels are arranged below the thick-layer filling soil, the rock stratum exposure is shallow, the rock strength is high, a plurality of filling piles or rotary excavating piles with the large diameter and the same length as the depth of the foundation pit to be excavated are driven into the thick-layer filling soil and the rock stratum in the traditional construction method, the construction is difficult, and the construction efficiency is low.
Chinese patent publication No. CN209538193U discloses a combined pillar structure convenient for excavation of deep foundation pit, which is applied in the field of building construction, and its technical scheme main points are: the method comprises the following steps that a plurality of first vertical piles are driven into a filling soil layer and a rock layer, the first vertical piles are located at the edge of a foundation pit to be excavated, a plurality of second vertical piles are arranged between every two adjacent first vertical piles, the second vertical piles are shorter than the first vertical piles, and the second vertical piles are located in the filling soil layer; has the technical effects that: the operation difficulty of driving all the vertical piles into the rock layer when the foundation pit is excavated and the time and labor required to be consumed when the piles are driven are reduced, and the efficiency of excavating the foundation pit is improved.
The inventor has found that the first pile has a problem that construction is difficult when driving into a fill and a rock layer.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the construction, this application provides a found pilework convenient to excavate deep basal pit.
The application provides a pair of found pile structure convenient to excavate deep basal pit adopts following technical scheme:
the utility model provides a pile erecting structure convenient to excavation deep basal pit, includes the pile erecting body, the pile erecting body includes outer pile and inner pile, the inner pile is worn to locate in the outer pile, the inner pile is including can dismantling the connection pile-up and lower stake, the roof of lower stake and the roof parallel and level of outer pile, the top level of outer pile is inserted and is equipped with clamping screw, the first fixed orifices that supplies clamping screw male is seted up at the top of lower stake, the second fixed orifices that supplies clamping screw male is seted up at the top of pile-up, the equal threaded connection in both ends of clamping screw has lock nut.
By adopting the technical scheme, when the vertical pile body is driven, the lower pile and the outer pile are driven into the ground together, then the fixing screw rod is taken out, the upper pile is connected with the lower pile, and the upper pile and the lower pile are driven into the ground continuously, compared with the mode that the vertical pile body with the same length is directly driven into the soil, the scheme has smaller resistance during construction, and when the inner pile is driven, the outer pile can be used as a protective sleeve to protect the inner pile, so that the possibility of bending and even breaking caused by overlarge resistance when the inner pile is driven is reduced; the upper pile and the lower pile are detachably connected, so that the outer pile can be conveniently sunk.
Preferably, one end, far away from the upper pile, of the lower pile is provided with a first pointed cone, the first pointed cone penetrates out of the lower pile, the bottom of the outer pile is provided with a second pointed cone, and the top surface of the first pointed cone is attached to the bottom surface of the second pointed cone.
Through adopting above-mentioned technical scheme, the soil is squeezed into to the stake body of being convenient for of first pointed cone portion and second pointed cone portion, reduces the resistance that meets.
Preferably, a plurality of barbs are arranged on the side wall of the outer pile.
Through adopting above-mentioned technical scheme, the resistance to plucking of outer stake can be increased to the barb, increases the stability of outer stake.
Preferably, the top wall of the outer pile is provided with a plurality of fixing plates along the circumferential direction of the outer pile, and the fixing plates are in threaded connection with screw nails used for being driven into soil.
Through adopting above-mentioned technical scheme, in the screw nail screw in soil, further increase the stability of founding the stake body, promote and strut intensity.
Preferably, the upper pile is provided with a convex block towards the lower pile, the lower pile is provided with a groove for the convex block to be clamped in, the groove and the convex block are fixedly connected through a locking bolt, and the locking bolt is provided with a plurality of convex blocks along the circumferential direction of the upper pile.
Through adopting above-mentioned technical scheme, the lug is inserted in the recess, and rethread locking bolt is fixed lug and recess lateral wall, and then will go up the stake and fix with lower stake, and fixed strength is higher, is convenient for sink the back in place outward, will with last stake and lower stake fixed.
Preferably, it is equipped with the connecting block to go up a stake orientation lower, offer the confession down on the stake the spread groove that the connecting block card is gone into, the spout has been seted up on the side of connecting block, the spout is equipped with a plurality ofly along the circumference of connecting block, sliding connection has the slider in the spout, be equipped with compression spring between the tank bottom of slider and spout, offer on the lateral wall of spread groove and supply slider male draw-in groove, the draw-in groove runs through the lateral wall of lower stake.
Through adopting above-mentioned technical scheme, when fixed last stake and lower stake, press into the spout with the slider, then insert the spread groove with the connecting block, then the draw-in groove is pushed down in the slider under compression spring's effect, will go up the stake and fix with lower stake, it is comparatively convenient, the efficiency of construction is higher.
Preferably, the slide block is provided with an inclined plane towards the lower pile, and the inclined plane is located at one end, far away from the connecting block, of the slide block.
Through adopting above-mentioned technical scheme, the inclined plane makes the slider withdrawal spout with the lateral wall butt of spread groove when the connecting block inserts under the effect of pressure, then inserts the back that targets in place at the connecting block, and compression spring makes the slider reset, inserts the draw-in groove.
Preferably, two circumferential fixing blocks are oppositely arranged on the side wall of the connecting block along the circumferential direction of the connecting block, and circumferential fixing grooves for inserting the circumferential fixing blocks are formed in the lower pile.
Through adopting above-mentioned technical scheme, circumference fixed block can promote the ability that the stake bears load with lower stake, still can insert the spread groove to the connecting block simultaneously and lead, and the draw-in groove is aimed at to the slider of being convenient for.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the outer piles, the upper piles, the lower piles and the fixing screws, the construction method has the advantages of convenience in construction and high construction safety;
2. through the setting of fixed plate and screw nail, further promote the stability of founding the pile body, promote excavation supporting's strutting intensity.
Drawings
Fig. 1 is a schematic structural view of the whole of embodiment 1 of the present application.
Fig. 2 is a cross-sectional view a-a of fig. 1.
Fig. 3 is a partially enlarged view of a portion B in fig. 2.
Fig. 4 is a cross-sectional structure diagram taken along a plane of symmetry in the width direction of the slider in embodiment 2 of the present application.
Fig. 5 is a partially enlarged view of a portion C in fig. 4.
Fig. 6 is an exploded view of the circumferential fixing block and the circumferential fixing groove in embodiment 2 of the present application.
Fig. 7 is a partially enlarged view of a portion D in fig. 6.
Description of reference numerals: 1. erecting a pile body; 2. outer piles; 21. a barb; 22. a fixing plate; 221. a screw nail; 23. a second tapered portion; 24. fixing the screw rod; 241. locking the nut; 3. internal piling; 31. pile installing; 311. a second fixing hole; 312. a bump; 313. connecting blocks; 314. a chute; 3141. a slider; 3142. a stopper; 3143. a compression spring; 3144. a clamping block; 3145. a bevel; 315. a circumferential fixing block; 32. pile setting; 321. a first fixing hole; 322. a first pointed cone portion; 323. a groove; 3231. locking the bolt; 324. connecting grooves; 3241. a card slot; 325. circumferential fixing grooves.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
Example 1:
the embodiment 1 of the application discloses a found pilework convenient to excavate deep basal pit.
Referring to fig. 1, the pile comprises a pile body 1, the pile body 1 comprising an inner pile 3 and an outer pile 2, the inner pile 3 comprising an upper pile 31 and a lower pile 32 connected to each other. There are multiunit barb 21 along its circumference array on the lateral wall of outer stake 2, and every group barb 21 has a plurality ofly along the axial array of outer stake 2, barb 21 and outer 2 integrated into one piece.
Referring to fig. 1 and 2, a fixing screw 24 is horizontally inserted into the top of the outer pile 2, a first fixing hole 321 for inserting the fixing screw 24 is formed in the top of the lower pile 32, a second fixing hole 311 for inserting the fixing screw 24 is formed in the top of the upper pile 31, and locking nuts 241 for locking the fixing screw 24 are respectively connected to both ends of the fixing screw 24 through threads. The end of the lower pile 32 far away from the upper pile 31 is provided with a first pointed cone 322, the first pointed cone 322 penetrates out of the lower pile 32, the bottom of the outer pile 2 is provided with a second pointed cone 23, and when the fixing screw 24 penetrates into the first fixing hole 321, the top surface of the first pointed cone 322 is attached to the bottom surface of the second pointed cone 23, so that the outer pile 2 has small resistance in pile sinking.
Referring to fig. 1 and 3, a plurality of fixing plates 22 are fixedly connected to the top wall of the outer pile 2, the fixing plates 22 are provided along the circumferential direction of the outer pile 2, and screw nails 221 for driving into soil are threadedly connected to the fixing plates 22. The upper pile 31 is integrally formed with a projection 312 facing the lower pile 32, the lower pile 32 is provided with a groove 323 into which the projection 312 is clamped, the groove 323 and the projection 312 are fixedly connected through a locking bolt 3231, and a plurality of locking bolts 3231 are arrayed along the circumferential direction of the upper pile 31.
The implementation process of the embodiment 1 of the application is as follows: when the pile is sunk, the outer pile 2 and the lower pile 32 are driven into the ground together, then the locking nut 241 is loosened, the fixing screw 24 is taken out, the projection 312 is inserted into the groove 323, the locking bolt 3231 is screwed into the side wall of the groove 323 and the projection 312, then the upper pile 31 and the lower pile 32 are driven into the ground continuously, the fixing screw 24 is simultaneously inserted into the second fixing hole 311 and the outer pile 2 after the fixing screw is driven to the preset position, and the locking nut 241 is screwed.
Example 2:
embodiment 2 of the application discloses a found pilework convenient to excavate deep basal pit.
Referring to fig. 4 and 5, the difference from embodiment 1 is that the connection mode between the upper pile 31 and the lower pile 32 is changed, the upper pile 31 is integrally formed with a connection block 313 toward the lower pile 32, the lower pile 32 is provided with a connection groove 324 into which the connection block 313 is inserted, a side surface of the connection block 313 is provided with a sliding groove 314, and a plurality of sliding grooves 314 are provided along the circumferential direction of the connection block 313. A sliding block 3141 is connected in the sliding groove 314 in a sliding manner, a compression spring 3143 is arranged between the sliding block 3141 and the groove bottom of the sliding groove 314, two ends of the compression spring 3143 are respectively abutted against the sliding block 3141 and the groove bottom of the sliding groove 314, a stop block 3142 is integrally formed at one end of the sliding block 3141 far away from the clamping groove 3241, the stop block 3142 is oppositely arranged along the width direction of the sliding block 3141, and a clamping block 3144 for stopping the stop block 3142 is fixed at one end of the sliding groove 314 facing the clamping groove 3241. A clamping groove 3241 for inserting the sliding block 3141 is formed in the side wall of the connecting groove 324, and the clamping groove 3241 penetrates through the side wall of the lower pile 32.
Referring to fig. 6 and 7, the sliding block 3141 is provided with an inclined surface 3145 facing the lower pile 32, and the inclined surface 3145 is located at one end of the sliding block 3141 far away from the connecting block 313. Two circumferential fixing blocks 315 are oppositely arranged on the side wall of the connecting block 313 along the circumferential direction of the connecting block, the circumferential fixing blocks 315 and the connecting block 313 are integrally formed, and a circumferential fixing groove 325 for inserting the circumferential fixing blocks 315 is formed in the lower pile 32.
The implementation process of the embodiment 2 of the application is as follows: when the upper pile 31 is connected with the lower pile 32, the connecting block 313 is inserted into the connecting groove 324 along the circumferential fixing block 315 and the circumferential fixing groove 325, when the connecting block 313 is inserted into the connecting groove 324, the inclined surface 3145 abuts against the side wall of the connecting groove 324, the sliding block 3141 is pressed back to the sliding groove 314, and after the connecting block 313 is inserted into the connecting groove 324, the sliding block 3141 is clamped into the clamping groove 3241 under the action of the compressing spring 3143.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a pile structure convenient to excavate deep basal pit which characterized in that: including founding stake body (1), found stake body (1) including outer stake (2) and inner pile (3), inner pile (3) are worn to locate in outer stake (2), inner pile (3) including can dismantle the connection go up stake (31) with lower stake (32), the roof of lower stake (32) and the roof parallel and level of outer stake (2), the top level of outer stake (2) is inserted and is equipped with clamping screw (24), confession clamping screw (24) male first fixed orifices (321) are seted up at the top of lower stake (32), supply clamping screw (24) male second fixed orifices (311) are seted up at the top of going up stake (31), the equal threaded connection in both ends of clamping screw (24) has lock nut (241).
2. The pile structure convenient for excavation of a deep foundation pit according to claim 1, wherein: one end, far away from the upper pile (31), of the lower pile (32) is provided with a first pointed cone portion (322), the first pointed cone portion (322) penetrates out of the lower pile (32), the bottom of the outer pile (2) is provided with a second pointed cone portion (23), and the top surface of the first pointed cone portion (322) is attached to the bottom surface of the second pointed cone portion (23).
3. The pile structure convenient for excavation of a deep foundation pit according to claim 2, wherein: a plurality of barbs (21) are arranged on the side wall of the outer pile (2).
4. The pile structure convenient for excavation of a deep foundation pit according to claim 2, wherein: be equipped with fixed plate (22) on the roof of outer stake (2), fixed plate (22) are equipped with a plurality ofly along the circumference of outer stake (2), threaded connection has screw nail (221) that are used for driving into in the soil on fixed plate (22).
5. The pile structure convenient for excavation of a deep foundation pit according to claim 1, wherein: go up stake (31) and be equipped with lug (312) towards lower stake (32), offer the confession down on stake (32) recess (323) that lug (312) were gone into, recess (323) and lug (312) are through locking bolt (3231) fixed connection, locking bolt (3231) are equipped with a plurality ofly along the circumference of last stake (31).
6. The pile structure convenient for excavation of a deep foundation pit according to claim 1, wherein: go up stake (31) and be equipped with connecting block (313) towards lower stake (32), offer the confession down on stake (32) connecting groove (324) that connecting block (313) were gone into, spout (314) have been seted up on the side of connecting block (313), spout (314) are equipped with a plurality ofly along the circumference of connecting block (313), sliding connection has slider (3141) in spout (314), be equipped with compression spring (3143) between the tank bottom of slider (3141) and spout (314), offer on the lateral wall of connecting groove (324) and supply slider (3141) male draw-in groove (3241), draw-in groove (3241) run through the lateral wall of stake (32) down.
7. The pile structure convenient for excavation of a deep foundation pit according to claim 6, wherein: the sliding block (3141) is provided with an inclined surface (3145) facing the lower pile (32), and the inclined surface (3145) is positioned at one end, away from the connecting block (313), of the sliding block (3141).
8. The pile structure convenient for excavation of a deep foundation pit according to claim 7, wherein: two circumferential fixing blocks (315) are oppositely arranged on the side wall of the connecting block (313) along the circumferential direction of the connecting block, and circumferential fixing grooves (325) for inserting the circumferential fixing blocks (315) are formed in the lower pile (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021705985.5U CN212983840U (en) | 2020-08-14 | 2020-08-14 | Vertical pile structure convenient for excavation of deep foundation pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021705985.5U CN212983840U (en) | 2020-08-14 | 2020-08-14 | Vertical pile structure convenient for excavation of deep foundation pit |
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| Publication Number | Publication Date |
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| CN212983840U true CN212983840U (en) | 2021-04-16 |
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| CN202021705985.5U Active CN212983840U (en) | 2020-08-14 | 2020-08-14 | Vertical pile structure convenient for excavation of deep foundation pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808955A (en) * | 2022-03-30 | 2022-07-29 | 中铁建大桥工程局集团第五工程有限公司 | Pile foundation and pile foundation reinforcing method |
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2020
- 2020-08-14 CN CN202021705985.5U patent/CN212983840U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808955A (en) * | 2022-03-30 | 2022-07-29 | 中铁建大桥工程局集团第五工程有限公司 | Pile foundation and pile foundation reinforcing method |
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