CN219240543U

CN219240543U - Piling positioning device

Info

Publication number: CN219240543U
Application number: CN202320028533.5U
Authority: CN
Inventors: 章海杰; 俞琛
Original assignee: Zhejiang Holdand Construction Co ltd
Current assignee: Zhejiang Holdand Construction Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-06-23
Anticipated expiration: 2033-01-06

Abstract

The utility model relates to the technical field of piling, in particular to a piling positioning device, which comprises two grippers for clamping piles to keep the vertical state of the piles; the end face of the pile is clamped by the grip, and the end face of the pile is provided with: the contour is adapted to the curved surface of the outer surface of the pile; and a plurality of rotatable balls are arranged on the curved surface, and the two grippers clamp the pile through the balls. The preferred piling locating device of the utility model reduces interference influence of clamping friction on downward movement of the pile column while keeping stable locating and clamping of the vertical pile column, and ensures that piling can be stably carried out.

Description

Piling positioning device

Technical Field

The utility model relates to the technical field of piling, in particular to a piling positioning device.

Background

In the building construction process, as the building is built on the ground, the ground needs to bear larger pressure, so that the compression strength of the ground needs to be improved, and piles are driven into the ground in the process of improving the compression strength of the ground, so that the compression strength of the ground needs to be improved.

Because the soil is soft, the pile is easy to incline and deflect in the process of sagging the pile through the pile hammer, so that in order to improve the pile driving precision, the pile in the pile driving process needs to be clamped to a certain extent, and the pile is ensured to be always kept in a vertical state in the descending process of hammering through the pile hammer. The existing clamping and positioning structure generally clamps the pile through two arc-shaped plate structure grippers to support the pile so as to keep the pile vertical, for example, an electronic pile driving and positioning device for buildings is disclosed in Chinese patent application No. CN202221408639.

However, in order to improve positioning stability, a certain clamping force needs to be applied when the pile is clamped by the gripper with the arc-shaped plate structure, and at the moment, an excessive friction force which prevents the pile from moving downwards is formed between the gripper and the pile, so that the pile driving process is prevented.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides a piling and positioning device which is used for stably positioning and clamping vertical piles, reducing interference influence of clamping friction on downward movement of the piles and ensuring that piling can be stably carried out.

The technical solution of the utility model is as follows:

a pile driving positioning device, comprising: two grippers for holding the pile to keep the pile in a vertical state;

the end face of the pile is clamped by the grip, and the end face of the pile is provided with: the contour is adapted to the curved surface of the outer surface of the pile;

and a plurality of rotatable balls are arranged on the curved surface, and the two grippers clamp the pile through the balls.

In the above-mentioned scheme, form too big, the slip friction that hinders the stake to move down to the direct centre gripping stake of tongs between making tongs and the stake easily, and then can hinder the problem to the progress of pile, install a plurality of rotatable balls on the curved surface of tongs, change slip friction into the roll friction that can make the stake more smooth and easy move down to keep carrying out stable location centre gripping to vertical stake, reduce the interference influence that centre gripping friction moved down to the stake, guarantee that the pile can steadily go on.

Further preferably, the outer surface of the ball is wrapped with a protective layer, and the ball is connected with the pile through the protective layer.

Further preferably, the gripper includes:

a mounting part;

a clamping plate part, wherein one side surface of the clamping plate part, which is far away from the mounting part, is the curved surface;

and the buffer layer is clamped between the mounting part and the clamping plate part and can enable the mounting part to be close to the clamping plate part through elastic deformation.

Further preferably, the two opposite grippers are respectively arranged on the first moving plate and the second moving plate which are spaced apart;

the first movable plate is slidably mounted on the left side wall of the supporting plate, the second movable plate is slidably mounted on the right side wall of the supporting plate, and the two movable plates are mutually close to/far away from each other in the horizontal direction through the driving device.

Further preferably, the driving device includes:

the first lead screw horizontally penetrates through the first movable plate and is in threaded connection with the first movable plate, and two ends of the first lead screw are both rotationally connected to the supporting plate;

the second lead screw horizontally penetrates through the second movable plate and is in threaded connection with the second movable plate, and two ends of the second lead screw are both rotationally connected to the supporting plate;

the first bevel gear is connected to one end, close to the second lead screw, of the first lead screw;

the second bevel gear is connected to one end, close to the first lead screw, of the second lead screw;

and the driving bevel gear is simultaneously meshed with the first bevel gear and the second bevel gear, is also connected with a rotating motor and enables the two moving plates to approach to/separate from each other in the horizontal direction under the driving of the rotating motor.

Further preferably, the piling positioning device further comprises a protective cover plate, which covers the meshing structures among the first bevel gear, the second bevel gear and the driving bevel gear.

Further as the preferred scheme, pile positioning device still includes the base, backup pad sliding connection is in on the base, just be provided with on the base and give way the hole of stepping down to the action of driving.

Further preferably, the base is provided with a push rod device, and a piston rod of the push rod device is connected with the support plate so as to push the support plate to slide on the base.

Further preferably, a plurality of rollers for moving are installed on the base.

Further preferably, the base is screwed with a plurality of inserting rod pieces, and the bottom of each inserting rod piece is inserted into the ground by screwing so as to prevent the base from moving.

The technical scheme has the main beneficial effects that:

according to the utility model, the rotatable balls are arranged on the curved surface of the gripper, so that the sliding friction is changed into the rolling friction which can enable the pile to move downwards more smoothly, and the interference influence of the clamping friction on the downward movement of the pile is reduced while the stable positioning and clamping of the vertical pile are kept, so that the pile driving can be stably performed.

On the basis, the driving device of the screw rod structure is used for controlling the grippers to grip and grasp the pile, so that the stability of the gripping action can be ensured, and the stability of the piling precision is further improved.

Further, through sliding the backup pad on the base, expanded the position adjustability after the stake centre gripping, make the staff carry out the adaptability adjustment to the position of stake according to the specific condition in actual scene, further improve actual positioning accuracy.

Further or more detailed benefits will be described in connection with specific embodiments.

Drawings

The utility model is further described with reference to the accompanying drawings:

fig. 1 is a schematic view of a gripper structure.

Fig. 2 is a schematic view of the overall assembly structure.

Fig. 3 is a schematic cross-sectional view of a gripper structure.

Fig. 4 is a schematic top view of the overall assembly structure.

Fig. 5 is a schematic illustration of the assembly of the push rod device.

The figure shows: the hand grip 1, the curved surface 101, the mounting portion 102, the clamping plate portion 103, the plug 1031, the buffer layer 104, the fastening nut 105, the ball 2, the first moving plate 3, the first guide bar 301, the second moving plate 4, the second guide bar 401, the support plate 5, the left side wall 501, the right side wall 502, the driving device 6, the first screw 601, the second screw 602, the first bevel gear 603, the second bevel gear 604, the driving bevel gear 605, the protective cover 7, the base 8, the relief hole 801, the left leg 802, the right leg 803, the push rod device 9, the roller 10, the plug bar 11, and the rotation motor 12.

Detailed Description

The utility model is illustrated by the following examples in which:

examples:

a pile driving positioning device, which is used for clamping piles which are vertically driven on the ground to straighten the piles, and avoids the deviation of the piles in the process of downwards moving through hammering, and is shown in the accompanying figures 1 to 5.

As shown in fig. 2 and 4, the piling locating device comprises a base 8, a supporting plate 5 with a preferably U-shaped structure is arranged on the base 8, and the supporting plate 5 comprises a left side wall 501 and a right side wall 502 which are spaced. Wherein, the left side wall 501 is slid with the first moving plate 3 capable of moving horizontally left and right, and the right side wall 502 is slid with the second moving plate 4 capable of moving horizontally left and right; specifically, the first moving plate 3 is inserted on the first moving plate 3 by sliding leftwards through three first guide rods 301, and the second moving plate 4 is inserted on the second moving plate 4 by sliding rightwards through three second guide rods 401.

The right side surface of the first moving plate 3 is preferably detachably provided with three vertically aligned grippers 1 through a screw structure, the left side surface of the second moving plate 4 is preferably detachably provided with three vertically aligned grippers 1 through a screw structure, and the grippers 1 on the first moving plate 3 and the grippers 1 on the second moving plate 4 are in one-to-one alignment fit. The two moving plates are moved closer to/farther from each other in the horizontal direction by the driving device 6, so that the piles placed between the first moving plate 3 and the second moving plate 4 can be clamped and positioned. Of course, after the clamping and positioning, with the pile moving down, the gripper 1 above can be removed to avoid interfering with the hammer down action of the pile hammer.

As shown in fig. 1 and fig. 3, the end surface of the grip 1 for gripping the pile in the present embodiment is a curved surface 101 with a contour adapted to the outer surface of the pile; and install a plurality of rotatable balls 2 on curved surface 101, two tongs 1 carry out the centre gripping through ball 2 to the stake, and wherein ball 2 can be directly inlayed on curved surface 101, also can install ball 2 in splint portion 103 earlier, then cover on splint portion 103 and adorn curved surface 101 that can expose ball 2 part.

Of course, in order to improve the protection effect on the pile and avoid the excessive damage to the outer surface of the pile, the outer surface of the ball 2 in this embodiment is preferably wrapped with a protective layer made of silica gel or rubber, and the ball 2 is connected with the pile through the protective layer.

Like this, the sliding friction when carrying out the centre gripping effect to the stake of removal through ball 2 changes into can make the stake more smoothly carry out the rolling friction of downward movement to when keeping carrying out stable location centre gripping to vertical stake, reduce the interference influence of centre gripping friction to the stake downmovement, guarantee that the pile can steadily go on.

As shown in fig. 3, the grip 1 in the present embodiment includes a mounting portion 102, a clamping plate portion 103, and a buffer layer 104. Wherein the mounting portion 102 is used for mounting the grip 1 on the first moving plate 3 or the second moving plate 4. The clamping plate 103 is disposed close to the pile, and a side surface thereof away from the mounting portion 102 is a curved surface 101. A buffer layer 104, preferably made of rubber or silicone, is sandwiched between the mounting portion 102 and the clamping plate portion 103, and is capable of bringing the mounting portion 102 and the clamping plate portion 103 into close proximity by elastic deformation. Specifically, as shown in fig. 3, a left end of the clamping plate 103 is provided with a plug 1031 inserted through the buffer layer 104 and the mounting portion 102 in order, and a fastening nut 105 is screwed on an exposed end of the plug 1031. Like this, when tongs 1 carries out the centre gripping to the stake, buffer layer 104 atress compression can produce the elastic force that drives clamping plate portion 103 and more closely laminate on the stake, improves the centre gripping effect to the stake.

The driving device 6 can be directly a push rod motor, and the first moving plate 3 and the second moving plate 4 are respectively driven by two push rod motors to move horizontally simultaneously so as to clamp and position the pile, but the control is complex and the moving simultaneity cannot be ensured.

As shown in fig. 4, the driving device 6 in the present embodiment includes a first lead screw 601, a second lead screw 602, a first bevel gear 603, a second bevel gear 604, and a driving bevel gear 605.

Specifically, as shown in fig. 4, the first screw 601 horizontally penetrates the first moving plate 3 and is screwed with the first moving plate 3, and two ends of the first screw 601 are rotatably connected to the supporting plate 5. The second lead screw 602 horizontally penetrates through the second movable plate 4 and is in threaded connection with the second movable plate 4, and two ends of the second lead screw 602 are both rotatably connected to the support plate 5. The first bevel gear 603 is connected to one end of the first screw 601 near the second screw 602. A second bevel gear 604 is connected to the end of the second screw 602 near the first screw 601. The drive bevel gear 605 is simultaneously engaged with the first bevel gear 603 and the second bevel gear 604, and the drive bevel gear 605 is also connected to the rotary motor 12, and moves the two moving plates closer to/farther from each other in the horizontal direction by the drive of the rotary motor 12. Specifically, the first screw 601 and the second screw 602 with the same screw direction are driven by the rotation motor 12 to rotate in opposite directions, so as to drive the first moving plate 3 screwed on the first screw 601 and the second moving plate 4 screwed on the second screw 602 to approach each other, so as to clamp and position the pile by the grippers 1 on the moving plates.

As shown in fig. 2, the support plate 5 is provided with a protective cover plate 7, which covers the meshing structure of the first bevel gear 603, the second bevel gear 604 and the driving bevel gear 605 from the upper side and the side, so as to prevent dust from eroding the meshing structure, and enable the driving device 6 to run more stably.

As shown in fig. 2, the support plate 5 is slidably connected to the base 8, and a yielding hole 801 for yielding the pile driving action is provided on the base 8. Specifically, the lower end of the left side wall 501 of the support plate 5 is slidably connected to the left leg 802 of the base 8, and the lower end of the right side wall 502 of the support plate 5 is slidably connected to the right leg 803 of the base 8. Therefore, the position adjustability of the clamped pile is expanded, so that a worker can adaptively adjust the position of the pile according to specific conditions in an actual scene, and the actual positioning accuracy is further improved.

Of course, in order to avoid directly pushing the support plate 5 by manpower, as shown in fig. 5, a push rod device 9, preferably a push rod motor, is mounted on the base 8 in this embodiment, and a piston rod of the push rod device 9 is connected to the support plate 5 to push the support plate 5 to slide on the base 8.

As shown in fig. 5, the base 8 is provided with a plurality of rollers 10 for moving.

As shown in fig. 5, the base 8 is screwed with a plurality of inserting rods 11, and the bottom of the inserting rods 11 is inserted into the ground by screwing so as to prevent the base 8 from moving.

The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. In addition, references to the terms "vertical", "horizontal", "front", "rear", etc., in the embodiments of the present utility model indicate that the apparatus or element in question has been put into practice, based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product is conventionally put in use, merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. It should be further noted that, unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," and the like in the description are to be construed broadly as, for example, "connected," either permanently connected, detachably connected, or integrally connected; either directly or indirectly through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A pile driving positioning device, comprising: two grippers (1) for gripping the pile to keep the pile in a vertical state;

the method is characterized in that:

the end faces of the grippers (1) used for clamping the piles are as follows: a curved surface (101) with a contour adapted to the outer surface of the pile;

a plurality of rotatable balls (2) are arranged on the curved surface (101), and the two grippers (1) clamp the pile through the balls (2).

2. Pile positioning device according to claim 1, characterized in that: the outer surface of the ball (2) is wrapped with a protective layer, and the ball (2) is connected with the pile through the protective layer.

3. Pile positioning device according to claim 1, characterized in that: the grip (1) comprises:

a mounting part (102);

a clamping plate part (103) of which one side surface far away from the mounting part (102) is the curved surface (101);

and a buffer layer (104) interposed between the mounting portion (102) and the clamping plate portion (103) and capable of elastically deforming to bring the mounting portion (102) and the clamping plate portion (103) into close proximity.

4. Pile positioning device according to claim 1, characterized in that: the two opposite grippers (1) are respectively arranged on a first moving plate (3) and a second moving plate (4) which are spaced apart;

wherein the first movable plate (3) is slidably mounted on the left side wall (501) of the support plate (5), the second movable plate (4) is slidably mounted on the right side wall (502) of the support plate (5), and the two movable plates are moved closer to/farther away from each other in the horizontal direction by the driving device (6).

5. Pile positioning device according to claim 4, characterized in that: the driving device (6) comprises:

the first lead screw (601) horizontally penetrates through the first movable plate (3) and is in threaded connection with the first movable plate (3), and two ends of the first lead screw (601) are both rotationally connected to the supporting plate (5);

the second lead screw (602) horizontally penetrates through the second movable plate (4) and is in threaded connection with the second movable plate (4), and two ends of the second lead screw (602) are both rotationally connected to the supporting plate (5);

a first bevel gear (603) connected to one end of the first screw (601) near the second screw (602);

a second bevel gear (604) connected to one end of the second screw (602) near the first screw (601);

and a driving bevel gear (605) which is meshed with the first bevel gear (603) and the second bevel gear (604) simultaneously, wherein the driving bevel gear (605) is also connected with a rotating motor (12) and drives the two moving plates to move close to/away from each other in the horizontal direction.

6. Pile positioning device according to claim 5, characterized in that: the piling locating device further comprises a protective cover plate (7) which covers the meshing structures among the first bevel gear (603), the second bevel gear (604) and the driving bevel gear (605).

7. Pile positioning device according to claim 4, characterized in that: the piling locating device further comprises a base (8), the supporting plate (5) is connected to the base (8) in a sliding mode, and a yielding hole (801) for yielding the piling action is formed in the base (8).

8. Pile positioning device according to claim 7, characterized in that: the base (8) is provided with a push rod device (9), and a piston rod of the push rod device (9) is connected with the support plate (5) so as to push the support plate (5) to slide on the base (8).

9. Pile positioning device according to claim 7, characterized in that: the base (8) is provided with a plurality of rollers (10) for moving.

10. A pile driving positioning device according to claim 9, wherein: the base (8) is in threaded connection with a plurality of inserted rod pieces (11), and the bottom of the inserted rod pieces (11) is inserted into the ground by screwing so as to prevent the base (8) from moving.