CN221095101U - Bottom expanding device for large-diameter bottom expanding filling pile - Google Patents

Abstract

The utility model relates to the technical field of building devices and discloses a large-diameter bottom-enlarging cast-in-place pile bottom-enlarging device which comprises a transmission rod, wherein a stabilizing component is arranged at the top of the transmission rod, a bottom-enlarging component is arranged on the inner wall of the transmission rod, a collecting component is arranged at the bottom of the transmission rod, the stabilizing component comprises a mounting column, the mounting column is rotationally connected to the top of the transmission rod, a plurality of hydraulic rods are fixedly connected to the top of the inner wall of the mounting column, a moving plate is fixedly connected to the output end of the hydraulic rods, and a stabilizing column is fixedly connected to the middle part of the inner wall of the mounting column. According to the utility model, the bottom expanding device is effectively fixed at the middle position of the filling pile through the inner supporting function in the working process, the problem of influencing pouring quality can be avoided through the design, earthwork generated in the bottom expanding process is collected, and then the effect of quick cleaning is realized, so that the bottom expanding efficiency of the inside of the large-diameter bottom expanding filling pile is improved.

Description

Bottom expanding device for large-diameter bottom expanding filling pile

Technical Field

The utility model relates to the technical field of building devices, in particular to a large-diameter bottom-enlarging device for a bottom-enlarging filling pile.

Background

The pile hole bottom expansion refers to that after a drilling hole reaches a required bearing layer, a special drill bit is used for replacing the pile end at the pile end to expand the diameter of the pile end, so that the ultimate bearing capacity of the pile is greatly increased, the ultimate bearing capacity of the pile is 4 times of that of the pile without an expansion head in theory, the bottom expansion with larger size can be carried out in the hole with the original size on the ground surface in the mode, further, the hole with larger size is prevented from being opened on the ground surface as much as possible, the pile hole bottom expansion technology is widely applied to the civil engineering field, and the pile hole bottom expansion technology is particularly suitable for foundation engineering needing large bearing capacity, such as high-rise buildings, large bridges, coastal protection engineering and the like. Through pile hole bottom expanding technology, the safety and economy of engineering can be improved, and meanwhile, the occupation of land resources and the environmental influence are reduced.

Through retrieval, the prior Chinese patent publication number is: CN216406706U provides a pile foundation under-reaping construction device, this patent is through including the drilling rod, drilling rod bottom threaded connection has the connecting cylinder, connecting cylinder surface fixedly connected with fixed plate, four sides of fixed plate all articulate there is a mounting panel, be equipped with the inside groove on the connecting cylinder, inside groove top fixedly connected with cylinder, cylinder output fixedly connected with connecting plate, connecting plate bottom fixedly connected with dead lever, dead lever bottom fixedly connected with drill bit, four sides of drill bit all articulate there is No. two mounting panels, no. two mounting panel one side sliding connection has the slider, rotate between mounting panel and the connecting plate top and be connected with No. one bracing piece, rotate between slider and the connecting plate bottom and be connected with No. two bracing pieces.

Although the above patent can be convenient for reduce or clear away the pile bottom sediment, improved the bearing capacity of pile tip and increase the quality of piling, still be convenient for adjust the diameter of club-footed drill bit, increase the stability of device simultaneously, also increased the practicality of device, make the hole of boring accord with the norm more, but above-mentioned pile foundation club-footed construction device still has following problem: the bottom expanding device can only position the perpendicularity of the large-diameter bottom expanding filling pile through the angle of the drill rod in the use process, if the angle of the drill rod deviates in the bottom expanding process, the perpendicularity is easy to change in the bottom expanding process, and therefore the integral casting perpendicularity after bottom expanding cannot reach the construction standard, and the construction efficiency is reduced.

To solve the above problems, a large-diameter bottom expanding device for a bottom expanding filling pile is provided.

Disclosure of utility model

In order to make up for the defects, the utility model provides a large-diameter bottom-expanding filling pile bottom-expanding device, which aims to solve the problems that in the prior art, the bottom-expanding angle is inclined and the pouring quality is affected due to the fact that the bottom-expanding device is easy to deviate in the use process, and the collection of earthwork is complicated when the bottom-expanding device is collected in the prior art, and the bottom-expanding device still needs to be opened again to treat the earthwork collected in the bottom-expanding device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a large diameter club-footed bored concrete pile club-footed device, includes the transfer line, the top of transfer line is provided with stabilizing assembly, the inner wall of transfer line is provided with the club-footed subassembly, the bottom of transfer line is provided with collecting assembly, stabilizing assembly includes the erection column, the erection column rotates to be connected the top of transfer line, the inner wall top fixedly connected with of erection column a plurality of hydraulic stems, the output fixedly connected with movable plate of hydraulic stem, the inner wall middle part fixedly connected with of erection column stabilizes the post, the bottom of movable plate is provided with first spring, the bottom left and right sides of movable plate is all rotated and is connected with branch, the inner wall middle part of erection column is rotated and is connected with a plurality of semi-gears, the equal sliding connection of inner wall bottom left and right sides of erection column has the pinion, two the equal fixedly connected with stable board in looks far away one side of pinion, the inner wall bottom fixedly connected with motor of erection column.

As a further description of the above technical solution: through the design, the stability of the bottom expanding device in the use process can be improved, so that the quality of the subsequent pouring is improved.

Further, as a further description of the above technical solution: the collecting assembly comprises a bearing, the bearing sets up the outer wall bottom of transfer line, the outer wall fixedly connected with of bearing a plurality of fixed blocks, a plurality of the looks remote one side fixedly connected with of fixed block collects the post, the bottom of collecting the post is provided with the release dish, the inner wall front side fixedly connected with locking post of collecting the post, the outer wall front side sliding connection of collecting the post has the pull rod, the inner wall front side of locking post is provided with the second spring.

As a further description of the above technical solution: through the cooperation of pull rod and second spring, can help the staff to handle the earthwork that the collection post was collected fast to the installation is comparatively rapid, can improve the bottom expanding efficiency of reuse.

Further, the bottom expanding assembly comprises an electric push rod, the electric push rod is fixedly connected to the bottom of the inner wall of the transmission rod, the output end of the electric push rod is fixedly connected with a center block, the outer wall of the center block is rotationally connected with a plurality of adjusting rods, the far side of the top of each adjusting rod is rotationally connected with an expanding rod, and the top of each expanding rod is rotationally connected with a connecting disc.

As a further description of the above technical solution: the bottom expanding function can be realized through the design, and the bottom expanding quality of different filling piles can be unified by matching with the stabilizing component.

Further, the motion plate is in sliding connection with the outer wall of the stabilizing column, the first spring is arranged in the middle of the inner wall of the mounting column, and the supporting rods are rotationally connected with the top of the two half gears on one side close to the top of the two half gears.

As a further description of the above technical solution: stability in the process of pushing the motion plate by the hydraulic rod is improved, so that the two side half gears can be stably connected with the toothed plate in a meshed manner, and the two side stabilizing plates are pushed to synchronously move.

Further, the half gear is in meshed connection with the toothed plate, and the stabilizing plate is in sliding connection with the left side and the right side of the outer wall of the mounting column.

As a further description of the above technical solution: through such design, can realize the synchronous motion of stabilizer plate to can hide in the erection column outer wall both sides under the not state of using.

Further, the second spring is arranged in the middle of the outer wall of the pull rod, the pull rod sequentially penetrates through the collecting column and the locking column and is in sliding connection with the front side of the release disc, and the release disc is connected with the collecting column through a hinge.

As a further description of the above technical solution: the cleaning efficiency is improved when the earthwork is cleaned conveniently, and the collection column is in a through state after being separated from the release plate, so that the cleaning is more convenient for staff.

Further, the connecting disc is rotationally connected to the bottom of the mounting column, and the transmission rod is fixedly connected to the output end of the motor.

As a further description of the above technical solution: the stability of the transmission rod in the process of driving the expansion rod and the adjusting rod to rotate is improved.

Further, the transmission rod is fixedly connected to the middle side of the bottom of the connecting disc.

As a further description of the above technical solution: the transmission rod can synchronously drive the connecting disc to rotate, so that the bottom expanding function is realized.

The utility model has the following beneficial effects:

1. According to the utility model, through the cooperation of the mounting column, the hydraulic rod, the moving plate, the half gear, the gear and other parts, the middle position of the bottom expanding device in the filling pile can be effectively fixed through the inner supporting function in the working process of the bottom expanding device, and the problem of influence on pouring quality due to positioning inclination caused by earth pressure in the bottom expanding process can be effectively avoided through the design.

2. According to the utility model, through the cooperation of the bearing, the pull rod, the second spring, the release disc and other components, earthwork generated in the bottom expanding process can be comprehensively collected in the bottom expanding process, and then the effect of quick cleaning can be completed through the cooperation of the pull rod and the second spring when dumping treatment is carried out, so that the bottom expanding efficiency of the inside of the large-diameter bottom expanding filling pile is improved.

Drawings

FIG. 1 is a schematic perspective view of a large-diameter bottom expanding device for a bottom expanding filling pile according to the present utility model;

FIG. 2 is a schematic view of a sectional structure of a mounting column of a large-diameter bottom-enlarging device for a bottom-enlarging bored pile according to the present utility model;

FIG. 3 is a cross-sectional view of a collecting column of a large-diameter bottom-enlarging cast-in-place pile bottom-enlarging device according to the utility model;

fig. 4 is a schematic diagram of a cross-sectional structure of a driving rod of a large-diameter bottom-enlarging device for a bottom-enlarging cast-in-place pile according to the present utility model.

Legend description:

1. A transmission rod; 2. a mounting column; 3. a hydraulic rod; 4. a motion plate; 5. a stabilizing column; 6. a first spring; 7. a support rod; 8. a half gear; 9. a toothed plate; 10. a stabilizing plate; 11. a motor; 12. a connecting disc; 13. an expansion rod; 14. an adjusting rod; 15. a center block; 16. an electric push rod; 17. a bearing; 18. a fixed block; 19. a collection column; 20. a release plate; 21. locking the column; 22. a pull rod; 23. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, one embodiment provided by the present utility model is: the utility model provides a large diameter club-footed bored concrete pile club-footed device, including transfer line 1, the top of transfer line 1 is provided with stable subassembly, the inner wall of transfer line 1 is provided with the club-footed subassembly, the bottom of transfer line 1 is provided with collecting assembly, stable subassembly includes erection column 2, erection column 2 rotates the top of connecting at transfer line 1, the inner wall top fixedly connected with of erection column 2a plurality of hydraulic stems 3, the output fixedly connected with movable plate 4 of hydraulic stem 3, the inner wall middle part fixedly connected with of erection column 2 stabilizes post 5, the bottom of movable plate 4 is provided with first spring 6, first spring 6 top sets up the bottom at movable plate 4, the bottom sets up the inner wall at erection column 2, the bottom left and right sides of movable plate 4 is all rotated and is connected with branch 7, the left and right sides at movable plate 4 is connected with at the branch 7 top, the bottom is connected with one side at the top of half gear 8, the inner wall middle part of erection column 2 is rotated and is connected with a plurality of half gears 8, be the meshing connection state between half gear 8 and the pinion 9, thereby realize power transmission, the equal sliding connection of the inner wall bottom left and right sides of erection column 2 has pinion 9, two equal sliding connection of motor pinion 9, the equal nearly has the fixed connection of two side of the fixed connection of pinion 11, the bottom of two side of pinion 9 is connected with the stable bottom 11.

Specifically, install the post 2 through external equipment hoist and mount, then carry the filling post assigned position that needs the club-footed after the location, in order to improve the stability of club-footed in-process, the staff can open hydraulic stem 3, under the equal power output of a plurality of hydraulic stems 3, promote motion board 4 and move down, thereby promote half gear 8 through rotating and connect and make the synchronous outer removal of both sides stabilizer 10 through the meshing connection, thereby come into contact with the large diameter bored concrete pile inner wall after moving to suitable position outward, install post 2 diameter in this function use is less than bored concrete pile diameter, stabilizer 10 outside is the unobstructed state, improve the laminating with bored concrete pile diameter inner wall through the abduction, thereby guarantee to remain vertical stability throughout in the club-footed in-process of follow-up, through such design, can effectively improve the stability in the club-footed device working process, even when receiving different material side resistance, laminating through stabilizer 10 and bored concrete pile inner wall, thereby will influence reduces, make club-footed can remain stable throughout.

Referring to fig. 2, the moving plate 4 is slidably connected to the outer wall of the stabilizing column 5, the first spring 6 is disposed in the middle of the inner wall of the mounting column 2, and the supporting rod 7 is rotatably connected to the top of the two half gears 8 on the same side.

Specifically, through the connection between the stabilizing column 5 and the first spring 6 and the moving plate 4, the balance of the left and right sides in the pushing process of the hydraulic rods 3 can be stabilized and balanced, and the two side half gears 8 and the toothed plate 9 can synchronously move.

Referring to fig. 2, the half gear 8 is engaged with the toothed plate 9, and the stabilizing plate 10 is slidably connected to the left and right sides of the outer wall of the mounting post 2.

Specifically, the synchronous meshing connection of the two side half gears 8 and the toothed plate 9 can be realized through the downward pressing and upward lifting of the supporting rods 7, the function of the extension of the two side stabilizing plates 10 and the fitting of the inner wall of the filling pile is pushed, and the stability is improved.

Referring to fig. 1-3, the collection assembly comprises a bearing 17, the bearing 17 is arranged at the bottom of the outer wall of the transmission rod 1, the outer wall of the bearing 17 is fixedly connected with a plurality of fixed blocks 18, the mutually far side of the fixed blocks 18 is fixedly connected with a collection column 19, the bottom of the collection column 19 is provided with a release plate 20, the front side of the inner wall of the collection column 19 is fixedly connected with a locking column 21, the front side of the outer wall of the collection column 19 is slidably connected with a pull rod 22, the pull rod 22 and the release plate 20 are pushed by a second spring 23 to perform position locking, tightness can be kept all the time in the process of bearing earthwork, the front side of the inner wall of the locking column 21 is provided with the second spring 23, one side of the second spring 23 is connected with the inner wall of the locking column 21, and the other side of the second spring 23 is connected with the outer wall of the pull rod 22.

Specifically, soil accumulation can be produced in the process of bottom expansion, at this time, in the bottom collecting column 19 can be gradually entered along with the influence of gravity, then after collecting certain soil, the staff can lift the installing column 2, subaerial, the staff can make collecting column 19 and bottom release plate 20 break away from through pulling pull rod 22, thereby the staff can clear up the earthwork that collects in the middle part of collecting column 19 conveniently, after accomplishing the clearance, the staff can lift release plate 20, then loosen pull rod 22, and make pull rod 22 and release plate 20 connect the locking under the promotion of second spring 23, so as to make it throw into the bottom expansion again and collect the in-process and continue to use, can effectively increase the earthwork clearance speed of bottom expansion in-process through such design, thereby improve bottom expansion work efficiency.

Referring to fig. 1 to 3, a second spring 23 is provided at the middle of the outer wall of the pull rod 22, and the pull rod 22 sequentially penetrates through the collecting column 19 and the locking column 21 and is slidably connected to the front side of the release plate 20, and the release plate 20 is connected to the collecting column 19 through a hinge.

Specifically, the second spring 23 pushes the pull rod 22 to lock the position of the release plate 20, so that tightness can be kept all the time in the process of bearing earthwork, and when the internal earthwork needs to be dumped, the pull rod 22 is pulled, the release plate 20 can be pressed down by the earthwork along with gravity and is always connected with the collection column 19 through a hinge, after cleaning is completed, the pull rod 22 and the release plate 20 are connected, and the device can be put into use again, so that the working efficiency is improved.

Referring to fig. 4, the bottom expanding assembly comprises an electric push rod 16, the electric push rod 16 is fixedly connected to the bottom of the inner wall of the transmission rod 1, the transmission rod 1 is fixedly connected to the output end of the motor 11, the output end of the electric push rod 16 is fixedly connected with a center block 15, the outer wall of the center block 15 is rotatably connected with a plurality of adjusting rods 14, the far sides of the tops of the adjusting rods 14 are rotatably connected with expanding rods 13, and the tops of the expanding rods 13 are rotatably connected with connecting discs 12.

Specifically, after the stabilization is completed, the worker can firstly open the motor 11, drive the transmission rod 1 through the motor 11 to drive the expansion rod 13 and the adjusting rod 14 to rotate, and can open the electric push rod 16 through the bottom expanding diameter, push the center block 15 to move upwards, so that the adjusting rod 14 is connected through rotation to raise the diameter area of the expansion rod 13, and the bottom expanding function is realized.

Referring to fig. 4, a connection disc 12 is rotatably connected to the bottom of the mounting post 2.

Specifically, rotational stability in the bottom expansion process can be improved by the connection between the connection disc 12 and the mounting post 2.

Referring to fig. 4, the driving lever 1 is fixedly coupled to the bottom middle side of the coupling disc 12.

Specifically, by such a design, the motor 11 can drive the transmission rod 1 to rotate and simultaneously drive the plurality of expansion rods 13 to synchronously move.

Working principle: when the staff needs to use the club-footed device to carry out the club-footed use to the large diameter club-footed bored concrete pile, at first can hoist and mount through external equipment and connect erection column 2, then carry the filling column assigned position that needs the club-footed after the location, in order to improve the stability of club-footed in-process, the staff can open hydraulic stem 3, under the output of a plurality of hydraulic stems 3 equi-force, promote kinematic plate 4 and move down, thereby promote half gear 8 through the rotation connection and make both sides stabilizer plate 10 move outward in step through the meshing connection, thereby laminate with the large diameter bored concrete pile inner wall after moving to suitable position outward, thereby guarantee from this in the follow-up club-footed in-process, can remain vertical stability throughout. After finishing stabilizing, the staff can open motor 11 at first, drive transfer line 1 through motor 11 and drive extension rod 13 and adjust pole 14 and rotate, at rotatory in-process, can open electric putter 16 through the club-footed diameter, promote center piece 15 and shift up, thereby make adjust pole 14 raise extension rod 13 diameter area through rotating the connection, thereby realize the function of club-footed, through such design, can effectively improve the stability in the club-footed device working process, even when receiving different material earthwork resistance, laminating through stabilizer 10 and bored concrete pile inner wall, thereby reduce the influence, make the club-footed can the straightness that hangs down all the time keep stable.

And can produce soil accumulation at the in-process of club-footed, this time, in can getting into bottom collection post 19 gradually along with soil receives the influence of gravity, then after collecting certain soil, the staff can lift erection column 2, subaerial, the staff can make collection post 19 break away from with bottom release plate 20 through pulling pull rod 22, thereby make things convenient for the staff to clear up the earthwork that collects in the middle part of collection post 19, after accomplishing the clearance, the staff can lift release plate 20, then loosen pull rod 22, and make pull rod 22 and release plate 20 connect the locking under the promotion of second spring 23, so throw into the club-footed collection in-process again and continue to use, can effectively increase the earthwork clearance speed in the club-footed process through such design, thereby improve club-footed work efficiency.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a large diameter club-footed bored concrete pile club-footed device, includes transfer line (1), its characterized in that: the utility model discloses a motor, including transmission pole (1), including installation pole (2), the top of transmission pole (1) is provided with stable subassembly, the inner wall of transmission pole (1) is provided with the club-footed subassembly, the bottom of transmission pole (1) is provided with the collection subassembly, stable subassembly includes erection column (2), erection column (2) rotate and connect the top of transmission pole (1), the inner wall top fixedly connected with of erection column (2) a plurality of hydraulic stems (3), the output fixedly connected with movable plate (4) of hydraulic stem (3), the inner wall middle part fixedly connected with of erection column (2) stabilizes post (5), the bottom of movable plate (4) is provided with first spring (6), the bottom left and right sides of movable plate (4) is all rotated and is connected with branch (7), the inner wall middle part rotation of erection column (2) is connected with a plurality of semi-gears (8), the inner wall bottom left and right sides of erection column (2) is all sliding connection with pinion (9), two the equal fixedly connected with stable board (10) in looks one side of pinion (9), the bottom fixedly connected with motor (11) of motor.

2. A large diameter bottom-enlarging apparatus for a bottom-enlarging bored pile according to claim 1, wherein: the collecting assembly comprises a bearing (17), the bearing (17) is arranged at the bottom of the outer wall of the transmission rod (1), a plurality of fixed blocks (18) are fixedly connected to the outer wall of the bearing (17), a plurality of collecting columns (19) are fixedly connected to the far side of the fixed blocks (18), a releasing disc (20) is arranged at the bottom of each collecting column (19), a locking column (21) is fixedly connected to the front side of the inner wall of each collecting column (19), a pull rod (22) is slidingly connected to the front side of the outer wall of each collecting column (19), and a second spring (23) is arranged on the front side of the inner wall of each locking column (21).

3. A large diameter bottom-enlarging apparatus for a bottom-enlarging bored pile according to claim 1, wherein: the bottom expanding assembly comprises an electric push rod (16), the electric push rod (16) is fixedly connected to the bottom of the inner wall of the transmission rod (1), the output end of the electric push rod (16) is fixedly connected with a center block (15), the outer wall of the center block (15) is rotationally connected with a plurality of adjusting rods (14), the far side of the top of each adjusting rod (14) is rotationally connected with an expanding rod (13), and the top of each expanding rod (13) is rotationally connected with a connecting disc (12).

4. A large diameter bottom-enlarging apparatus for a bottom-enlarging bored pile according to claim 1, wherein: the motion plate (4) is in sliding connection with the outer wall of the stabilizing column (5), the first spring (6) is arranged in the middle of the inner wall of the mounting column (2), and the supporting rods (7) are rotationally connected with two similar sides of the tops of the half gears (8).

5. A large diameter bottom-enlarging apparatus for a bottom-enlarging bored pile according to claim 1, wherein: the semi-gear (8) is in meshed connection with the toothed plate (9), and the stabilizing plate (10) is in sliding connection with the left side and the right side of the outer wall of the mounting column (2).

6. A large diameter bottom-expanding pile bottom-expanding apparatus according to claim 2, wherein: the second spring (23) is arranged in the middle of the outer wall of the pull rod (22), the pull rod (22) sequentially penetrates through the collecting column (19) and the locking column (21) and is slidably connected to the front side of the release disc (20), and the release disc (20) is connected with the collecting column (19) through a hinge.

7. A large diameter bottom-expanding apparatus for a bottom-expanding bored pile according to claim 3, wherein: the connecting disc (12) is rotationally connected to the bottom of the mounting column (2), and the transmission rod (1) is fixedly connected to the output end of the motor (11).

8. A large diameter bottom-expanding apparatus for a bottom-expanding bored pile according to claim 3, wherein: the transmission rod (1) is fixedly connected to the middle side of the bottom of the connecting disc (12).