CN212983842U

CN212983842U - Building pile foundation

Info

Publication number: CN212983842U
Application number: CN202021774796.3U
Authority: CN
Inventors: 董荣喜; 董健
Original assignee: Anhui Qitai Construction Engineering Co ltd
Current assignee: Anhui Qitai Construction Group Co.,Ltd.
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2021-04-16
Anticipated expiration: 2030-08-22

Abstract

The utility model relates to a building pile foundation, including the foundation pile, with the fixed cone of foundation pile lower extreme and with the pile cap of foundation pile upper end fixed, run through on the foundation pile and seted up square through hole, square through hole's extending direction and the axial direction parallel of foundation pile, be equipped with the reinforcement subassembly in the square through hole, the reinforcement subassembly is including running through the stiffener that sets up on the foundation pile lateral wall and slide with the foundation pile lateral wall and be connected, be provided with on the pile cap and order about the stiffener to keeping away from the subassembly that struts of foundation pile axis one side removal. In this application, after the staff squeezes the foundation pile into the underground, for the linkage between reinforcing foundation pile and the soil body, the staff only needs to order about the stiffener to keeping away from foundation pile axis one side through strutting the subassembly and remove, make this shift out gradually in the square through hole of stiffener in from the foundation pile, and insert the soil body gradually, under the effect of stiffener, make the linkage between foundation pile and the soil body more firm, strengthened the stability of pile cap in the use.

Description

Building pile foundation

Technical Field

The application relates to a pile foundation technical field especially relates to a building pile foundation.

Background

The pile foundation is composed of foundation pile and bearing platform connected to the pile top, if the pile body is fully buried in the soil, the bottom surface of the bearing platform is contacted with the soil body, so that the pile foundation is called low bearing platform pile foundation. When the upper part of the pile body is exposed out of the ground and the bottom surface of the bearing platform is positioned above the ground, the pile body is called a high bearing platform pile foundation. The building pile foundation is usually a low-bearing platform pile foundation and is widely applied to projects such as high-rise buildings, bridges, high-speed rails and the like.

The current chinese patent that publication number is CN205134349U discloses a building pile foundation, and its technical scheme main points are building pile foundation, including foundation pile and pile cap, the pile cap is from top to bottom including first load distribution layer, compensating layer, second load distribution layer, drainage blanket in proper order, first load distribution layer is honeycomb, second load distribution layer is the triangle-shaped structure.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the foundation pile is a vertically arranged rod-shaped structure, and after the foundation pile is driven into the ground, the connection between the foundation pile and the soil body is not stable enough, so that the stability of the pile cap is influenced after the foundation pile is used for a long time.

SUMMERY OF THE UTILITY MODEL

In order to make the connection effect between foundation pile and the soil body more firm, the stability of reinforcing pile cap in the use, this application provides a building pile foundation.

The application provides a building pile foundation adopts following technical scheme:

the utility model provides a building pile foundation, includes the foundation pile, with the fixed cone of foundation pile lower extreme and with the fixed pile cap in foundation pile upper end, run through on the foundation pile and seted up square through hole, square through hole's extending direction and the axial direction parallel of foundation pile, be equipped with the reinforcement subassembly in the square through hole, the reinforcement subassembly slides the stiffener of being connected including running through setting up on the foundation pile lateral wall and with the foundation pile lateral wall, be provided with on the pile cap and order about the stiffener to keeping away from the subassembly that struts of foundation pile axis one side removal.

Through adopting above-mentioned technical scheme, after the staff is driven into the underground with the foundation pile, for the linkage between reinforcing foundation pile and the soil body, the staff only needs to order about the stiffener to keeping away from foundation pile axis one side through strutting the subassembly and remove to this makes the stiffener shift out gradually from the square through hole in the foundation pile, and inserts the soil body gradually, under the effect of stiffener, makes the linkage between foundation pile and the soil body more firm, has strengthened the stability of pile cap in the use.

Preferably, prop open the subassembly including running through set up on the pile cap and with pile cap rotation be connected threaded rod, cover locate on the threaded rod and with threaded rod threaded connection's fly leaf and with the terrace with edge body that fly leaf bottom surface is fixed, the threaded rod lower extreme rotates with the cone top to be connected, the cooperation of sliding of fly leaf and square through hole, the area of terrace with edge body bottom surface is less than the area of terrace with edge body upper surface, just distance between the edge of terrace with edge body bottom surface and the foundation pile axis is less than the one end that the stiffener is close to the foundation pile axis and the distance between the foundation pile axis.

Through adopting above-mentioned technical scheme, when needs use the subassembly that struts to order about the stiffener to keeping away from foundation pile axis one side and remove, the staff only need rotate the threaded rod, because the threaded rod runs through the fly leaf and with fly leaf threaded connection to this drives the fly leaf and moves down along square through hole, thereby makes the prismoid body on the fly leaf move down, when prismoid body lower extreme and stiffener butt, the prismoid body can promote the stiffener to the one side removal of keeping away from foundation pile axis, so that the stiffener inserts in the soil body gradually.

Preferably, the reinforcing component further comprises a movable block fixed to one end, close to the axis of the foundation pile, of the reinforcing rod, and the side wall, close to the axis of the foundation pile, of the movable block is matched with the side wall, close to the reinforcing rod, of the frustum of pyramid.

Through adopting above-mentioned technical scheme, through setting up the movable block, and the lateral wall that the movable block is close to foundation pile axis one side cooperates with the lateral wall that the prismoid body is close to stiffener one side to this movable block is at the in-process that moves down, makes the inclined plane of prismoid body and the inclined plane laminating that the movable block is close to foundation pile axis one side, is favorable to the prismoid body to promote the stiffener to the one side removal of keeping away from the foundation pile axis.

Preferably, a pyramid is fixed at one end of the reinforcing rod far away from the axis of the foundation pile, and the tip of the pyramid is positioned at one side far away from the reinforcing rod.

Through adopting above-mentioned technical scheme, through setting up the pyramid to this makes the stiffener keep away from the one end of foundation pile axis for most advanced, has reduced the degree of difficulty that the stiffener inserted in the soil body.

Preferably, the cover is equipped with the spring on the stiffener between movable block and the square through hole inner wall, the one end and the square through hole inner wall of spring are fixed, the other end and the movable block of spring are kept away from the lateral wall of foundation pile axis one side and are fixed, work as when the spring is in normal condition, distance between the pointed end of pyramid and the foundation pile axis equals the cross-section circle diameter of foundation pile.

By adopting the technical scheme, when a worker drives the foundation pile into the ground, on one hand, the spring plays a good role in resisting tightly, and the probability that the reinforcing rod is extruded into the foundation pile by hard objects in the soil body is reduced; on the other hand, the spring plays good limiting role, and the probability that the reinforcing rod runs out of the foundation pile by itself is reduced, so that the worker can drive the foundation pile into the specified depth smoothly, and the reinforcing rod is gradually propped into the soil body through the propping assembly.

Preferably, be provided with on the pile cap and order about threaded rod pivoted drive assembly, drive assembly locates on the threaded rod and with the fixed driven gear of threaded rod, rotate the dwang of installing on the pile cap, fix the operating lever that locates on the dwang and with driven gear engaged with driving gear and be close to the rigidity at driving gear edge with the driving gear upper surface including the cover.

Through adopting above-mentioned technical scheme, through setting up drive assembly, for reducing the staff and rotate the degree of difficulty of threaded rod, the staff only needs to promote the driving gear through the action bars for the axis that the driving gear revolutes the rotation pole rotates, makes this driving gear drive rather than the driven gear of meshing and rotate with the fixed threaded rod of driven gear.

Preferably, a retention component is arranged on the threaded rod and comprises a transverse plate fixedly sleeved on the threaded rod and a pin penetrating through the transverse plate.

Through adopting above-mentioned technical scheme, squeeze into the appointed degree of depth with the foundation pile as the staff to through strutting the subassembly with the stiffener support back in the soil body, for avoiding the threaded rod to receive the exogenic action and take place to rotate, and make the position of stiffener appear not hard up condition, the staff only needs to hit down and beats the pin, makes the pin lower extreme be connected with the pile cap, has played good limited action with this to the rotation of threaded rod, has strengthened the stability of stiffener in the use.

Preferably, the pile cap upper surface is offered and is used for holding the holding tank of diaphragm, the upper surface of diaphragm and the upper end opening parallel and level of holding tank.

Through adopting above-mentioned technical scheme, the diaphragm upper surface is squeezed into the appointed degree of depth with the foundation pile as the staff with the upper end opening parallel and level of holding tank, and supports the stiffener back into the soil body through strutting the subassembly, for the roughness of reinforcing pile cap upper surface, the staff only need with the threaded rod more than the pile cap upper surface and dwang all cut can, in addition, driven gear on the threaded rod after cutting off and the driving gear on the dwang can recycle to the later stage building pile foundation in.

In summary, the present application includes at least one of the following beneficial technical effects:

in the application, after a worker drives a foundation pile into the ground, in order to enhance the connection effect between the foundation pile and a soil body, the worker only needs to drive the reinforcing rod to move to one side far away from the axis of the foundation pile through the strutting assembly, so that the reinforcing rod is gradually moved out of a square through hole in the foundation pile and is gradually inserted into the soil body, under the effect of the reinforcing rod, the connection effect between the foundation pile and the soil body is more stable, and the stability of the pile cap in the use process is enhanced;

the pyramid is arranged, so that one end, far away from the axis of the foundation pile, of the reinforcing rod is the pointed end, and the difficulty of inserting the reinforcing rod into a soil body is reduced;

in the application, when a worker drives the foundation pile into the ground, on one hand, the spring plays a good role in resisting tightly, and the probability that the reinforcing rod is extruded into the foundation pile by hard objects in the soil body is reduced; on the other hand, the spring plays good limiting role, and the probability that the reinforcing rod runs out of the foundation pile by itself is reduced, so that the worker can drive the foundation pile into the specified depth smoothly, and the reinforcing rod is gradually propped into the soil body through the propping assembly.

Drawings

Fig. 1 is a schematic structural view of a building pile foundation according to an embodiment of the present invention.

Fig. 2 is a sectional view of a building pile foundation according to an embodiment of the present invention.

Description of reference numerals: 1. foundation piles; 11. a cone; 12. a square through hole; 2. a pile cap; 21. accommodating grooves; 3. a reinforcement assembly; 31. a reinforcing bar; 311. a pyramid; 312. a spring; 32. a movable block; 4. a distraction assembly; 41. a threaded rod; 42. a movable plate; 43. a frustum pyramid; 5. a drive assembly; 51. a driven gear; 52. rotating the rod; 53. a driving gear; 54. an operating lever; 6. a retention assembly; 61. a transverse plate; 62. a pin.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a building pile foundation. Referring to fig. 1 and 2, the building pile foundation includes a foundation pile 1, a cone 11, a pile cap 2, a reinforcement assembly 3, a spreader assembly 4, and a drive assembly 5. The cross section of foundation pile 1 is circular, and its axis is vertical, has run through on the foundation pile 1 and has seted up square through hole 12, and the extending direction of square through hole 12 is parallel with the axial of foundation pile 1. The cone 11 has an inverted conical structure, the axis thereof coincides with the axis of the foundation pile 1, and the upper surface of the cone 11 is fixed to the lower end surface of the foundation pile 1. The pile cap 2 is a disc-shaped structure, the axis of the pile cap coincides with the axis of the foundation pile 1, and the bottom surface of the pile cap 2 is fixed with the upper end surface of the foundation pile 1.

Referring to fig. 2, the reinforcing member 3 is disposed in the square through hole 12, and the reinforcing member 3 includes a reinforcing bar 31 and a movable block 32. The reinforcing rod 31 is a horizontally arranged square rod-shaped structure, and penetrates through the side wall of the foundation pile 1 and is connected with the side wall of the foundation pile 1 in a sliding manner. The movable block 32 is a block structure with a rectangular cross section and a right trapezoid longitudinal section, the surface of the movable block 32 close to the axis of the foundation pile 1 is an inclined surface, and the surface of the movable block 32 far away from the axis of the foundation pile 1 is fixed with one end of the reinforcing rod 31 close to the axis of the foundation pile 1. As shown in fig. 1, in the present embodiment, the reinforcement assemblies 3 are provided in two sets, wherein one set of the reinforcement assemblies 3 is disposed in bilateral symmetry with respect to the axis of the foundation pile 1, and the other set of the reinforcement assemblies 3 is disposed in front-rear symmetry with respect to the axis of the foundation pile 1. When the staff need be with foundation pile 1 squeeze into underground, only need with the position regulation of the one end of stiffener 31 far away from foundation pile 1 axis to with foundation pile 1 lateral wall parallel and level, can squeeze into underground assigned position with foundation pile 1 easily.

Referring to fig. 2, the expanding assembly 4 is disposed on the pile cap 2 for driving the reinforcing rod 31 to move away from the axis of the foundation pile 1, and the expanding assembly 4 includes a threaded rod 41, a movable plate 42 and a prism body 43. The axis of the threaded rod 41 coincides with the axis of the foundation pile 1, the threaded rod is arranged on the pile cap 2 in a penetrating mode and is connected with the pile cap 2 in a rotating mode, and the lower end of the threaded rod 41 is connected with the top of the cone 11 in a rotating mode. The movable plate 42 is a rectangular plate-shaped structure, and is sleeved on the threaded rod 41 and in threaded connection with the threaded rod 41, and the movable plate 42 is in sliding fit with the square through hole 12. The prismoid 43 is a prismoid structure, the upper surface of the prismoid 43 is attached to and fixed with the bottom surface of the movable plate 42, the threaded rod 41 penetrates through the prismoid 43 and is in threaded connection with the prismoid 43, the area of the bottom surface of the prismoid 43 is smaller than that of the upper surface of the prismoid 43, the distance between the edge of the bottom surface of the prismoid 43 and the axis of the foundation pile 1 is smaller than that between one end of the reinforcing rod 31 close to the axis of the foundation pile 1 and the axis of the foundation pile 1, and the side wall of the movable plate 42 close to one side of the axis of the foundation pile 1 is matched with the side. After the staff drives the foundation pile 1 into the underground designated position, the staff only need to rotate the threaded rod 41, because the threaded rod 41 runs through the movable plate 42 and is in threaded connection with the movable plate 42, and the movable plate 42 is in sliding fit with the square through hole 12 in the foundation pile 1, so that the movable plate 42 moves downwards in the rotating process of the threaded rod 41, along with the continuous downward movement of the movable plate 42, the inclined surface of the frustum pyramid 43 is abutted against the inclined surface of the movable block 32, the frustum pyramid 43 pushes the reinforcing rod 31 gradually from the square through hole 12 of the foundation pile 1 to the outer side of the foundation pile 1 through the movable block 32, so that the reinforcing rod 31 is driven into the soil body gradually, under the action of the reinforcing rod 31, the connecting action between the foundation pile 1 and the soil body is enhanced, and the stability of the foundation pile 1 and the pile cap 2 in the using process is.

Referring to fig. 1, a pyramid 311 is fixed at one end of the reinforcing rod 31 far away from the axis of the foundation pile 1, the pyramid 311 has a quadrangular pyramid structure, and the tip of the pyramid 311 is located at one side far away from the reinforcing rod 31. Through setting up pyramid 311, reduced the resistance that stiffener 31 inserted in the soil body to this degree of difficulty that has reduced stiffener 31 and inserted in the soil body is favorable to stiffener 31 to insert in the soil body smoothly.

Referring to fig. 2, the spring 312 is sleeved on the reinforcing rod 31 between the movable block 32 and the inner wall of the square through hole 12, one end of the spring 312 is fixed to the inner wall of the square through hole 12, the other end of the spring 312 is fixed to the side wall of the movable block 32 on the side far away from the axis of the foundation pile 1, and when the spring 312 is in a normal state, the distance between the tip of the pyramid 311 and the axis of the foundation pile 1 is equal to the diameter of the cross-section circle of the foundation pile 1. When the worker drives the foundation pile 1 into the ground, the spring 312 has a good abutting effect, and the probability that the reinforcing rod 31 is extruded into the foundation pile 1 by hard objects in the soil body is reduced. Spring 312 has on the other hand played good limiting displacement, has reduced the probability that stiffener 31 ran out from in foundation pile 1 by oneself to the staff is beaten foundation pile 1 into appointed degree of depth smoothly, and supports in the soil body through strutting the subassembly 4 with stiffener 31 gradually.

Referring to fig. 2, a driving assembly 5 is disposed on the pile cap 2 for driving the threaded rod 41 to rotate, and the driving assembly 5 includes a driven gear 51, a rotating rod 52, a driving gear 53, and an operating rod 54. The axis of the driven gear 51 coincides with the axis of the threaded rod 41, and the driven gear 51 is sleeved on the threaded rod 41 and fixed with the threaded rod 41. The axis of the rotating rod 52 is parallel to the axis of the threaded rod 41, and the lower end of the rotating rod 52 is rotatably connected to the upper surface of the pile platform 2. The axis of the driving gear 53 coincides with the axis of the rotating rod 52, and the driving gear 53 is sleeved on the rotating rod 52 and fixed with the rotating rod 52, and is meshed with the driven gear 51. The operating rod 54 is a vertically arranged round rod-shaped structure, and the lower end of the operating rod is fixed to the upper surface of the driving gear 53 at a position close to the edge of the driving gear 53. Through setting up drive assembly 5, when the staff need rotate threaded rod 41 to when making stiffener 31 insert the soil body, only need to promote driving gear 53 through action bars 54, make driving gear 53 revolve the axis of pivot pole 52 and rotate, make with the driven gear 51 of driving gear 53 meshing and all rotate with the fixed threaded rod 41 of driven gear 51 with this, thereby make fly leaf 42 drive arris platform body 43 move down, arris platform body 43 then pushes stiffener 31 into the soil body through movable block 32 gradually.

Referring to fig. 1, the threaded rod 41 is provided with a retention assembly 6, and the retention assembly 6 includes a transverse plate 61 and a pin 62. The transverse plate 61 is a circular plate-shaped structure, the axis of the transverse plate 61 coincides with the axis of the threaded rod 41, the transverse plate 61 is sleeved on the threaded rod 41 and fixed with the threaded rod 41, the accommodating groove 21 for accommodating the transverse plate 61 is formed in the upper surface of the pile bearing platform 2, and the upper surface of the transverse plate 61 is flush with the upper end opening of the accommodating groove 21. The axis of the pin 62 is vertical, and it is arranged on the transverse plate 61 and connected with the transverse plate 61 in a sliding manner. Through setting up maintenance subassembly 6, squeeze into the underground with foundation pile 1 when the staff, and reinforcing bar 31 inserts the back in the soil body, for avoiding receiving external force to rotate and influence the stability of reinforcing bar 31 because of threaded rod 41, the staff only need hit down and hit and beat pin 62 for in the interior diapire of holding tank 21 is inserted to pin 62 lower extreme, under diaphragm 61 and pin 62's mating reaction, with this the threaded rod 41 of having avoided suffering external force and taking place the free rotation's the condition. In order to enhance the flatness of the upper surface of the pile cap 2, the worker only needs to cut off the threaded rod 41 and the rotating rod 52 above the upper surface of the pile cap 2, and in addition, the driven gear 51 on the cut threaded rod 41 and the driving gear 53 on the rotating rod 52 can be reused for the installation of other building pile foundations.

The implementation principle of the building pile foundation in the embodiment of the application is as follows: after the staff is driven into the underground with foundation pile 1, for the connection between reinforcing foundation pile 1 and the soil body, the staff only needs to drive stiffener 31 to keeping away from foundation pile 1 axis one side through strutting subassembly 4 and remove, make this stiffener 31 shift out gradually from the square through hole 12 in foundation pile 1, and insert the soil body gradually, under the effect of stiffener 31, make the connection between foundation pile 1 and the soil body more firm, strengthened the stability of pile cap 2 in the use.

In this scheme, when the staff need squeeze into foundation pile 1 underground, under the effect of spring 312, the distance between the pointed end of pyramid 311 and foundation pile 1 axis equals foundation pile 1's cross-section circle diameter, has avoided stiffener 31 and pyramid 311 to produce the condition of hindering to foundation pile 1 installation work to this staff of being convenient for squeezes into foundation pile 1 underground appointed degree of depth. After foundation pile 1 is driven into the ground by a specified depth, for enhancing the connection between foundation pile 1 and the soil body, the worker only needs to push driving gear 53 through operating rod 54, so that driving gear 53 rotates around the axis of rotating rod 52, so that driven gear 51 engaged with driving gear 53 and threaded rod 41 fixed with driven gear 51 all rotate, so that movable plate 42 drives frustum 43 to move downwards, the inclined surface of frustum 43 is matched with the inclined surface of movable block 32, frustum 43 gradually retreats reinforcing rod 31 into the soil body from square through hole 12 of foundation pile 1 through movable block 32, under the action of reinforcing rod 31, the connection between foundation pile 1 and the soil body is more stable, and the stability of foundation pile 1 and pile cap 2 in the using process is enhanced.

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

1. The utility model provides a building pile foundation, includes foundation pile (1), with fixed cone (11) of foundation pile (1) lower extreme and with fixed pile cap (2) in foundation pile (1) upper end, its characterized in that: run through on foundation pile (1) and seted up square through hole (12), the extending direction of square through hole (12) and the axial direction parallel of foundation pile (1), be equipped with in square through hole (12) and strengthen subassembly (3), strengthen subassembly (3) including run through set up on foundation pile (1) lateral wall and with foundation pile (1) lateral wall stiffener (31) of being connected that slide, be provided with on pile cap (2) and order about stiffener (31) to keeping away from the subassembly (4) that struts of foundation pile (1) axis one side removal.

2. The building pile foundation of claim 1, wherein: prop open subassembly (4) including run through set up on pile cap (2) and with pile cap (2) rotation be connected threaded rod (41), overlap locate on threaded rod (41) and with threaded rod (41) threaded connection's fly leaf (42) and with fly leaf (42) fixed prismoid body (43) in bottom surface, threaded rod (41) lower extreme rotates with cone (11) top and is connected, fly leaf (42) and square through hole (12) cooperation of sliding, the area of prismoid body (43) bottom surface is less than the area of prismoid body (43) upper surface, just distance between the edge of prismoid body (43) bottom surface and foundation pile (1) axis is less than stiffener (31) and is close to the distance between the one end of foundation pile (1) axis and foundation pile (1) axis.

3. A building pile foundation according to claim 2, wherein: strengthen subassembly (3) still include with stiffener (31) be close to the fixed movable block (32) of one end of foundation pile (1) axis, the lateral wall that movable block (32) are close to foundation pile (1) axis one side cooperates with the lateral wall that prismoid body (43) are close to stiffener (31) one side.

4. A building pile foundation according to claim 3, wherein: one end of the reinforcing rod (31) far away from the axis of the foundation pile (1) is fixedly provided with a pyramid (311), and the tip of the pyramid (311) is positioned on one side far away from the reinforcing rod (31).

5. A building pile foundation according to claim 4, wherein: the cover is equipped with spring (312) on stiffener (31) between movable block (32) and square through hole (12) inner wall, the one end and the square through hole (12) inner wall of spring (312) are fixed, the lateral wall that foundation pile (1) axis one side was kept away from with movable block (32) to the other end of spring (312) is fixed, works as when spring (312) is in normal condition, the distance between the most advanced of pyramid (311) and foundation pile (1) axis equals the cross-section circle diameter of foundation pile (1).

6. A building pile foundation according to claim 2, wherein: be provided with on pile cap (2) and order about threaded rod (41) pivoted drive assembly (5), drive assembly (5) including the cover locate on threaded rod (41) and with fixed driven gear (51) of threaded rod (41), rotate dwang (52), the fixed cover of installing on pile cap (2) on dwang (52) and with driven gear (51) engaged driving gear (53) and with driving gear (53) upper surface be close to driving gear (53) marginal rigidity's action bars (54).

7. A building pile foundation according to claim 6, wherein: be provided with maintenance subassembly (6) on threaded rod (41), maintenance subassembly (6) are including fixed cover diaphragm (61) of locating on threaded rod (41) and run through pin (62) of setting up on diaphragm (61).

8. The building pile foundation of claim 7, wherein: holding tank (21) that are used for holding diaphragm (61) are seted up to pile cap (2) upper surface, the upper end opening parallel and level of the upper surface of diaphragm (61) and holding tank (21).