CN210393466U

CN210393466U - A construction device for pile foundation engineering

Info

Publication number: CN210393466U
Application number: CN201921218050.1U
Authority: CN
Inventors: 刘沛坚
Original assignee: Dongguan Jianan Pile Foundation Engineering Co ltd
Current assignee: Dongguan Jianan Pile Foundation Engineering Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-24
Anticipated expiration: 2029-07-29

Abstract

The utility model relates to a construction equipment of pile foundation engineering, relate to pile foundation engineering field, the in-process of having solved the pile body and removing after lifting by crane produces the problem of rocking for a long time and making lower stake inefficiency, the in-process of having solved the pile body under simultaneously is difficult to and the problem of lower stake hole to the heart, it includes the hoist, the jib, the main platform, with jib fixed connection's lifting rope, set up the lower stake hole that is used for lower stake in the main platform, fix and be used for preventing the pile body to rock and make the pile body and the automatic straining device to the heart of lower stake hole and provide the driving motor of straining device drive power on the main platform. The utility model discloses have the in-process that prevents the pile body and remove after lifting by crane and produce and rock for a long time and reduce down a efficiency to have simultaneously and make the pile body and the automatic effect to the heart of lower stake hole.

Description

Construction device for pile foundation engineering

Technical Field

The utility model belongs to the technical field of the technique of pile foundation engineering and specifically relates to a construction equipment of pile foundation engineering is related to.

Background

The currently constructed pile foundation has two types, namely a precast pile and a cast-in-place pile. In the former, various piling machines are used for burying piles into the lower layer of soil so as to improve the bearing capacity of the foundation; the latter is to drill deep holes on the earth layer by a drilling machine for pouring concrete. The construction device commonly used when setting the precast pile is a pile press. The pile press is mainly composed of a pile frame, a pile hoisting crane, a hydraulic pile gripper, a pile pressing hydraulic cylinder, electrical equipment and the like. The pile frame is a complete machine supporting part and is provided with a main platform, a guide platform, a stand column and a lower walking trolley. The pile hoisting crane is arranged at the top end of the upright column and used for hoisting the pile in place, and a pile descending hole for pile descending is further formed in the main platform. During operation, the hydraulic pile clamping device clamps the pile head and then the pair of pile pressing hydraulic cylinders push the pile clamping device to enable the pile to sink. A pile press is provided with a plurality of pairs of pile pressing hydraulic cylinders which can press a plurality of piles simultaneously. The electric equipment is used for driving the main pump to run and the machine to walk.

And in the pile discharging process of a construction site, the pile body which moves after being lifted can shake for a long time, so that the pile body is usually moved to a position close to a pile discharging hole during actual pile discharging, the movement of the suspender is stopped, and the pile body is slowly moved after the pile body stops shaking to be aligned with the pile discharging hole to discharge the pile. This makes whole pile process inefficiency down, influences the construction progress, if the translation rate of jib is very fast simultaneously, then the degree that the pile body rocked is just more violent, and then can aggravate the side load that the jib bore, reduces the bearing strength of jib.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent that pile body from producing the pile foundation engineering's that acutely rocks and make pile body and lower pile hole to heart construction device at the removal in-process after lifting by crane.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a construction equipment of pile foundation engineering, includes hoist, jib and main platform, jib fixed connection is on the hoist, it has the lifting rope that is used for lifting by crane the pile body to go back swing joint in the jib, the lifting rope is fixedly connected with lifting hook still, the lower stake hole that is used for the lower stake is still offered to the main platform, and construction equipment of pile foundation engineering still is including being used for preventing that the pile body from moving the straining device that the in-process rocked after lifting by crane, straining device fixed connection is in the main platform.

By adopting the technical scheme, the lifting rope connected with the pile body on the lifting rod and the tension device fixed on the main platform can avoid violent shaking of the pile body in the lifting moving process.

The utility model discloses further set up to: the tensioning device comprises a pull rope and a clamping sleeve which is used for clamping the pile body and is also used for being fixedly connected with the pull rope, and a supporting rod which is used for supporting the pull rope and limiting the pull rope is fixedly connected to the position, close to the lower pile hole, in the main platform.

Through adopting above-mentioned technical scheme, through stay cord and the centre gripping cover that is used for the centre gripping pile body taut to the pile body, the bracing piece is walked around to the stay cord, makes the stay cord change the operation.

The utility model discloses further set up to: the support rods are a plurality of and are symmetrically arranged around the lower pile hole, pulleys are rotatably connected in the support rods, and the pull ropes pass around the pulleys from the lower ends of the pulleys.

Through adopting above-mentioned technical scheme, the bracing piece of symmetry equipartition around lower stake hole can make pile body and lower stake hole heart, and the friction that receives in the reducible stay cord removal process of setting up of pulley.

The utility model discloses further set up to: the pull rope is also provided with a drag hook at one end fixedly connected with the clamping sleeve, and the clamping sleeve is also fixedly connected with a pull ring matched with the drag hook.

Through adopting above-mentioned technical scheme, the setting of drag hook and pull ring is convenient for stay cord and pile body fixed, improves the efficiency of construction.

The utility model discloses further set up to: the drag hook becomes the ring form, the drag hook comprises two mutual articulated circular arc blocks, and two circular arc blocks laminate each other for the other one end of hinged end to through bolt interconnect.

Through adopting above-mentioned technical scheme, annular drag hook can prevent that the drag hook from coming off from the pile body, makes the taut pile body of drag hook more stable.

The utility model discloses further set up to: the rope winding machine is characterized in that the position, opposite to the pulley and far away from the lower pile hole, of the main platform is fixedly connected with a rope winding machine used for winding a rope, the rope winding machine comprises two side frames fixedly connected with the main platform and rotating shafts which penetrate through the two side frames and are connected in a rotating mode, and the rope is fixedly connected with the rotating shafts of the rope winding machine at one end, close to the rope winding machine, of the rope winding machine.

Through adopting above-mentioned technical scheme, can collect a department with the rope around on the wiring machine, practice thrift the shared space of whole device, the accessible rotates the wiring machine simultaneously and comes to apply the tension to the rope.

The utility model discloses further set up to: the rotating shaft is provided with a rolling bearing at the joint of the rotating shaft and the side frame, and the rolling bearing is fixedly connected with the side frame.

Through adopting above-mentioned technical scheme, reducible pivot rotates the in-process and the frictional force of side frame, increases the life of pivot.

The utility model discloses further set up to: one end of a rotating shaft of the rope winding machine is fixedly connected with a driving motor, and a cavity for placing the driving motor is fixedly connected to the position of the driving motor on the main platform.

Through adopting above-mentioned technical scheme, accessible driving motor drive rope winding machine's pivot rotates, improves work efficiency and reduces the human labor simultaneously, and the cavity is used for placing driving motor, can play protection and fixed effect to driving motor.

To sum up, the utility model discloses a beneficial technological effect does:

1. the pile body can be prevented from shaking in the lifting moving process, and the working efficiency is improved;

2. the pile body and the pile discharging hole are automatically centered, so that the pile discharging process is efficient and stable.

Drawings

Fig. 1 is a schematic view of the overall assembly structure of the present invention.

Fig. 2 is a schematic structural view of the rope winding machine of the present invention.

In the figure, 1, a crane; 2. a boom; 3. a main platform; 4. a lifting rope; 5. a hook; 6. pile hole setting; 7. a tensioning device; 71. pulling a rope; 72. a clamping sleeve; 73. a support bar; 74. a pulley; 75. pulling a hook; 751. an arc block; 752. a threaded hole; 753. a bolt; 76. a pull ring; 77. a rope winding machine; 771. a side frame; 772. a rotating shaft; 773. a rolling bearing; 78. a drive motor; 79. a chamber.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a construction equipment of pile foundation engineering, including hoist 1, jib 2 and main platform 3, 2 fixed connection of jib are on hoist 1, it has 4 to be used for lifting by crane the lifting rope of pile body still to swing joint in the

jib

2, 4 still fixedly connected with lifting hooks 5 of lifting rope, lower stake hole 6 that is used for lower stake is still offered to main platform 3, and pile foundation engineering's construction equipment still moves the straining device 7 that the in-process rocked including being used for preventing the pile body after lifting by crane, 7 fixed connection of straining device is in main platform 3.

Referring to fig. 1, the tensioning device 7 includes a pulling rope 71 and a clamping sleeve 72 for clamping the pile body and fixedly connecting with the pulling rope 71, and a support rod 73 for supporting and limiting the pulling rope 71 is also fixedly connected to a position of the main platform 3 near the lower pile hole 6. The support rods 73 are symmetrically arranged around the lower pile hole 6, pulleys 74 are rotatably connected in the support rods 73, and the pull ropes 71 pass around the pulleys 74 from the lower ends of the pulleys 74. A draw hook 75 is further arranged at one end of the pull rope 71 fixedly connected with the clamping sleeve 72, and a draw ring 76 matched with the draw hook 75 is further fixedly connected in the clamping sleeve 72. The draw hook 75 is in a circular ring shape, the draw hook 75 is composed of two arc blocks 751 which are hinged to each other, and the two arc blocks 751 are attached to each other at the other ends opposite to the hinged ends and are connected with each other through bolts 753.

Referring to fig. 1 and 2, a rope winding machine 77 for winding the rope 71 is fixedly connected to a position of the main platform 3 facing the pulley 74 and far away from the lower pile hole 6, the rope winding machine 77 includes two side frames 771 fixedly connected to the main platform 3 and a rotating shaft 772 penetrating through the two side frames 771 and rotatably connected to the two side frames 771, and one end of the rope 71 near the rope winding machine 77 is fixedly connected to the rotating shaft 772 of the rope winding machine 77. The rotating shaft 772 is provided with rolling bearings 773 at the connection parts of the rotating shaft and the two side frames 771, and the rolling bearings 773 are fixedly connected with the side frames 771. One end of a rotating shaft 772 of the rope winding machine 77 is fixedly connected with a driving motor 78, and the driving motor 78 is connected with a power supply in the pile pressing machine and is controlled to be opened and closed through a control room. A chamber 79 for placing the driving motor 78 is also fixedly connected to the main platform 3 at the position of the driving motor 78.

In the process of pile descending, firstly, the lifting rope 4 on the suspension rod 2 is fixedly connected with one end of the pile body, and meanwhile, the pulling rope 71 in the tension device 7 is buckled in the pull ring 76 of the clamping sleeve 72 at the other end of the pile body through the pull hook 75, so that the fixed connection between the pulling rope 71 and the pile body is realized. Thereafter, the pile body is lifted through the suspension rod 2, the lifted pile body is in the moving process, the control room controls the driving motor 78 to rotate simultaneously, the rope is wound on the rotating shaft 772 of the rope winding machine 77, when the lifted pile body moves to the position right above the lower pile hole 6, the driving motor 78 is controlled to continue to rotate the rotating shaft 772, the rope is tensioned, the pile body is prevented from shaking, the pile body and the lower pile hole 6 are aligned, and then the pile body is slowly moved downwards through the suspension rod 2, so that the pile body is lowered.

After a part of the pile body enters the pile dropping hole 6, the worker takes off the clamping sleeve 72 on the pile body, controls the driving motor 78 to rotate reversely, and extends the pulling rope 71 to the position of the pile body in the construction site for the next pile body to use.

The implementation principle of the embodiment is as follows: through additionally setting up a straining device 7 in the pile driver, straining device 7 and lifting rope 4 on jib 2 cooperate each other, make the pile body in the in-process of hoisting the removal taut to prevent that the long-time rocking of in-process of pile body at the hoisting removal leads to the efficiency of construction low, set up straining device 7 symmetry simultaneously around lower stake hole 6, in order to realize the automatic centering of pile body and lower stake hole 6.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a construction equipment of pile foundation engineering, includes hoist (1), jib (2) and main platform (3), jib (2) fixed connection is on hoist (1), it has lifting rope (4) that are used for lifting by crane the pile body still swing joint in jib (2), lifting rope (4) still fixedly connected with lifting hook (5), lower stake hole (6) that are used for lower stake are still offered in main platform (3), its characterized in that, construction equipment of pile foundation engineering still including be used for preventing that the pile body from moving tensioning device (7) that the in-process rocked after lifting by crane, tensioning device (7) fixed connection is in main platform (3).

2. The construction device of pile foundation engineering according to claim 1, wherein the tensioning device (7) comprises a pulling rope (71), a clamping sleeve (72) for clamping the pile body and fixedly connecting with the pulling rope (71), and a support rod (73) for supporting and limiting the pulling rope (71) is fixedly connected to the main platform (3) near the lower pile hole (6).

3. The construction device of the pile foundation engineering as claimed in claim 2, wherein the number of the support rods (73) is several, and the support rods are symmetrically arranged around the lower pile hole (6), the support rods (73) are further rotatably connected with pulleys (74), and the pull rope (71) passes around the pulleys (74) from the lower ends of the pulleys (74).

4. A pile foundation engineering construction device according to claim 3, wherein the pulling rope (71) is further provided with a pulling hook (75) at one end fixedly connected with the clamping sleeve (72), and a pulling ring (76) matched with the pulling hook (75) is further fixedly connected in the clamping sleeve (72).

5. The construction device of the pile foundation engineering according to claim 4, wherein the draw hook (75) is arranged in a circular ring shape, the draw hook (75) is composed of two circular arc blocks (751) hinged to each other, the two circular arc blocks (751) are attached to each other relative to the other end of the hinged end, a threaded hole (752) is further formed in the attached circular arc block (751), the draw hook (75) further comprises a bolt (753) matched with the threaded hole (752), and the two circular arc blocks (751) are fixedly connected through the bolt (753).

6. A pile foundation engineering construction device according to claim 5, wherein a rope winding machine (77) for winding the rope (71) is fixedly connected to the main platform (3) at a position opposite to the pulley (74) and far away from the pile drop hole (6), the rope winding machine (77) comprises two side frames (771) fixedly connected with the main platform (3) and a rotating shaft (772) penetrating through the two side frames and rotatably connected with the two side frames, and one end of the rope (71) close to the rope winding machine (77) is fixedly connected with the rotating shaft (772) of the rope winding machine (77).

7. The construction device of the pile foundation engineering according to claim 6, wherein the rotating shaft (772) is provided with a rolling bearing (773) at the connection part of the rotating shaft and the side frame (771), and the rolling bearing (773) is fixedly connected with the side frame (771).

8. The construction device of the pile foundation engineering as claimed in claim 6, wherein one end of the rotating shaft (772) of the rope winding machine (77) is fixedly connected with a driving motor (78), and a chamber (79) for placing the driving motor (78) is fixedly connected with the position of the driving motor (78) on the main platform (3).