阅读说明：本技术 打桩船的桩架顶升装置以及桩架的顶升和卧桩方法 (Pile frame jacking device of pile driving ship and pile jacking and lying method of pile frame ) 是由 余国斌 余珲 张铁 章庆生 尚勇志 崔亚昆 薛海波 于 2020-06-24 设计创作，主要内容包括：本发明公开了一种打桩船的桩架顶升装置,包括设置在桩架上的滑道,滑道一端设置在桩架的后侧杆与下侧杆的连接处,滑道的另一端设置在靠近桩架的打桩面处,桩架立起时滑道靠近桩架打桩面的一端高于另一端；滑道中设有活动块；船体上铰接有主油缸,主油缸的活塞杆端部与活动块相铰接,滑道在打桩面处的一端设有固定活动块的上固定点,滑道另一端设有固定活动块的下固定点,桩架上活动块固定于下固定点的时候,主油缸的活塞杆伸出使得桩架处于竖立状态；船体上并列铰接有两个在桩架立起过程的前半段辅助推动桩架且而后与桩架脱开的辅推油缸,辅推油缸的活塞杆全部伸出时桩架与竖直平面夹角小于45°。本发明还公开了相关的桩架的顶升和卧桩方法。(The invention discloses a pile frame jacking device of a pile driving barge, which comprises a slideway arranged on a pile frame, wherein one end of the slideway is arranged at the joint of a rear side rod and a lower side rod of the pile frame, the other end of the slideway is arranged at a position close to a pile driving surface of the pile frame, and one end of the slideway close to the pile driving surface of the pile frame is higher than the other end when the pile frame is erected; a movable block is arranged in the slideway; a main oil cylinder is hinged on the ship body, the end part of a piston rod of the main oil cylinder is hinged with the movable block, one end of the slideway at the piling face is provided with an upper fixed point for fixing the movable block, the other end of the slideway is provided with a lower fixed point for fixing the movable block, and when the movable block on the pile frame is fixed at the lower fixed point, a piston rod of the main oil cylinder extends out to enable the pile frame to be in a vertical state; two auxiliary pushing oil cylinders which assist in pushing the pile frame in the first half section of the pile frame erecting process and then separate from the pile frame are hinged to the ship body in parallel, and when piston rods of the auxiliary pushing oil cylinders extend out completely, the included angle between the pile frame and a vertical plane is smaller than 45 degrees. The invention also discloses a jacking and pile-lying method of the related pile frame.)

1. The utility model provides a pile frame jacking device of pile driver ship which characterized in that: the pile driving device comprises a slideway arranged on a pile frame, wherein one end of the slideway is arranged at the joint of a rear side rod and a lower side rod of the pile frame, the other end of the slideway is arranged at a position close to a pile driving surface of the pile frame, and one end of the slideway close to the pile driving surface of the pile frame is higher than the other end when the pile frame is erected; a movable block is arranged in the slideway; a main oil cylinder is hinged on the ship body, the end part of a piston rod of the main oil cylinder is hinged with the movable block, one end of the slideway at the piling face is provided with an upper fixed point for fixing the movable block, the other end of the slideway is provided with a lower fixed point for fixing the movable block, and when the movable block on the pile frame is fixed at the lower fixed point, a piston rod of the main oil cylinder extends out to enable the pile frame to be in a vertical state; two auxiliary pushing oil cylinders which assist in pushing the pile frame in the first half section of the pile frame erecting process and then separate from the pile frame are hinged to the ship body in parallel, and when piston rods of the auxiliary pushing oil cylinders extend out completely, the included angle between the pile frame and a vertical plane is smaller than 45 degrees.

2. The pile frame jacking device of a pile driving barge according to claim 1, wherein: and the two auxiliary push oil cylinders are respectively connected with the same hydraulic oil pump through an oil supply pipeline and an oil return pipeline, an overflow valve is arranged on the oil return pipeline, and the set pressure of the overflow valve is the jacking force required by the auxiliary push oil cylinders.

3. The pile frame jacking device of a pile driving barge according to claim 1, wherein: the cylinder body of the auxiliary push oil cylinder is hinged in a cabin of the pile driving ship, and a avoidance hole for the piston rod of the auxiliary push oil cylinder to penetrate out is formed in a deck of the pile driving ship.

4. The pile frame jacking device of a pile driving barge according to claim 1, wherein: the rear side rod is provided with two stress rods at the joint of the rear side rod and the lower side rod, the joint is close to the pile frame, the end part of a piston rod of the auxiliary pushing oil cylinder is provided with a pushing block, and the pushing block is provided with an arc-shaped groove matched with the stress rods.

5. Pile driving vessel pile frame jacking arrangement according to any of claims 1-4, wherein: the auxiliary push oil cylinder is a two-section plunger oil cylinder; the main oil cylinder is a double-acting oil cylinder.

6. A pile driving method provided with a pile driving device of a pile driving barge according to any of claims 1 to 5, comprising the steps of:

fixing a movable block at an upper fixed point of a slideway, pushing the end part of a piston rod of an auxiliary push oil cylinder against a vertical pile, and then pushing a pile frame by the auxiliary push oil cylinder and a main oil cylinder together until the piston rod of the auxiliary push oil cylinder is completely extended out;

secondly, supporting the pile frame by using a support frame on the deck, and retracting a piston rod of the auxiliary push oil cylinder;

moving a movable block connected with the end part of a piston rod of the main oil cylinder from an upper fixed point to a lower fixed point, and then removing the support frame;

and step four, pushing out a piston rod of the main oil cylinder to completely lift the pile frame.

7. A pile frame lying method provided with a pile frame jacking device of a pile driving barge according to any of claims 1-5, comprising the steps of:

step one, retracting a piston rod of a main oil cylinder, which is positioned at a lower fixed point by a sliding block connected with the end of a piston rod, so that a pile frame initially rotates downwards;

secondly, supporting the pile frame by using a support frame on the deck, and simultaneously extending a piston rod of the auxiliary push oil cylinder to enable the end part of the piston rod to push against the vertical pile;

moving a movable block connected with the end part of a piston rod of the main oil cylinder from a lower fixed point to an upper fixed point, and then removing the support frame;

and step four, fixing the movable block at the upper fixed point of the slide way, retracting the piston rod of the auxiliary push oil cylinder, and then retracting the auxiliary push oil cylinder and the piston rod of the main oil cylinder together until the pile frame completely falls down.

Technical Field

The invention relates to a pile driving barge, in particular to a pile frame jacking device of the pile driving barge and a pile jacking and lying method of a pile frame.

Background

At present, a method of jacking and lowering a pile frame of a pile driving barge from a pile frame rest frame generally adopts a main oil cylinder secondary transposition and twisting jacking method, but when the pile frame is initially lifted, the position of the pile frame jacked by the main oil cylinder is not good, the force arm of the main oil cylinder is very small, so that the main oil cylinder has very large jacking force to jack or lower the pile frame from the pile frame rest frame to the pile frame rest frame, the single-point jacking of the main oil cylinder jacks the pile frame, the local load of the pile frame is large, and meanwhile, the jacking force required by the main oil cylinder is much larger than that required by pile driving operation of the pile driving barge.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the pile frame jacking device of the pile driving barge can greatly reduce the thrust required by the main oil cylinder.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a pile frame jacking device of a pile driving barge comprises a slide way arranged on a pile frame, wherein one end of the slide way is arranged at the joint of a rear side rod and a lower side rod of the pile frame, the other end of the slide way is arranged at a position close to a pile driving surface of the pile frame, and one end of the slide way close to the pile driving surface of the pile frame is higher than the other end when the pile frame is erected; a movable block is arranged in the slideway; a main oil cylinder is hinged on the ship body, the end part of a piston rod of the main oil cylinder is hinged with the movable block, one end of the slideway at the piling face is provided with an upper fixed point for fixing the movable block, the other end of the slideway is provided with a lower fixed point for fixing the movable block, and when the movable block on the pile frame is fixed at the lower fixed point, a piston rod of the main oil cylinder extends out to enable the pile frame to be in a vertical state; two auxiliary pushing oil cylinders which assist in pushing the pile frame in the first half section of the pile frame erecting process and then separate from the pile frame are hinged to the ship body in parallel, and when piston rods of the auxiliary pushing oil cylinders extend out completely, the included angle between the pile frame and a vertical plane is smaller than 45 degrees.

As a preferred scheme, the two auxiliary push oil cylinders are respectively connected with the same hydraulic oil pump through an oil supply pipeline and an oil return pipeline, an overflow valve is arranged on the oil return pipeline, and the set pressure of the overflow valve is the jacking force required by the auxiliary push oil cylinders.

As a preferred scheme, the cylinder body of the auxiliary push oil cylinder is hinged in a cabin of the piling ship, and a avoidance hole for the piston rod of the auxiliary push oil cylinder to penetrate out is formed in a deck of the piling ship.

As a preferred scheme, two stress rods are arranged at the joint of the rear side rod close to the pile frame and the lower side rod on the rear side rod, a pushing block is arranged at the end part of a piston rod of the auxiliary pushing oil cylinder, and an arc-shaped groove matched with the stress rods is formed in the pushing block.

As a preferred scheme, the auxiliary pushing oil cylinder is a two-section plunger oil cylinder; the main oil cylinder is a double-acting oil cylinder.

The other technical problem to be solved by the invention is as follows: the pile driving method is provided with the pile driving device of the pile driving ship.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a pile frame jacking method provided with the pile frame jacking device of the pile driving barge comprises the following steps:

fixing a movable block at an upper fixed point of a slideway, pushing the end part of a piston rod of an auxiliary push oil cylinder against a vertical pile, and then pushing a pile frame by the auxiliary push oil cylinder and a main oil cylinder together until the piston rod of the auxiliary push oil cylinder is completely extended out;

secondly, supporting the pile frame by using a support frame on the deck, and retracting a piston rod of the auxiliary push oil cylinder;

moving a movable block connected with the end part of a piston rod of the main oil cylinder from an upper fixed point to a lower fixed point, and then removing the support frame;

and step four, pushing out a piston rod of the main oil cylinder to completely lift the pile frame.

The other technical problem to be solved by the invention is as follows: the pile frame horizontal placing method provided with the pile frame jacking device of the pile driving barge is provided.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a pile frame horizontal placing method provided with the pile frame jacking device of the pile driving barge comprises the following steps:

step one, retracting a piston rod of a main oil cylinder, which is positioned at a lower fixed point by a sliding block connected with the end of a piston rod, so that a pile frame initially rotates downwards;

secondly, supporting the pile frame by using a support frame on the deck, and simultaneously extending a piston rod of the auxiliary push oil cylinder to enable the end part of the piston rod to push against the vertical pile;

moving a movable block connected with the end part of a piston rod of the main oil cylinder from a lower fixed point to an upper fixed point, and then removing the support frame;

and step four, fixing the movable block at the upper fixed point of the slide way, retracting the piston rod of the auxiliary push oil cylinder, and then retracting the auxiliary push oil cylinder and the piston rod of the main oil cylinder together until the pile frame completely falls down.

The invention has the beneficial effects that:

the technical scheme who adopts a master cylinder and two assistance to push away the hydro-cylinder with the pile frame from pile frame rest frame jacking and put down of this application can reduce the bore of cylinder of master cylinder, and the effort through dispersion jacking pile frame reduces the local stress of pile frame simultaneously to reduce the structural strength of pile frame, alleviate pile frame weight.

The two auxiliary pushing oil cylinders are supplied with oil by adopting a hydraulic oil pump, an overflow valve is arranged on an oil return pipeline, the set pressure of the overflow valve is the working pressure of the jacking force required by the auxiliary pushing oil cylinders, so that the jacking force of the auxiliary pushing oil cylinders is not changed in the process of jacking and upending the pile frame, and the insufficient jacking force is borne by the main oil cylinder, so that the auxiliary pushing oil cylinders move along with the action of the main oil cylinder, extend or retract, and further, the stable motion of the pile frame is ensured.

Because the cylinder body of the auxiliary push oil cylinder is hinged in the cabin of the pile driving ship, and the deck of the pile driving ship is provided with an avoidance hole for the piston rod of the auxiliary push oil cylinder to penetrate out, the auxiliary push oil cylinder can have longer stroke in a smaller space, and the acting direction of the pushing force can be in the direction of obtaining a longer arm of force.

Because the rear side lever and the lower side lever which are close to the pile frame on the rear side lever are connected with each other through two stress rods, the end part of a piston rod of the auxiliary pushing oil cylinder is provided with a pushing block, and the pushing block is provided with a circular arc-shaped groove matched with the stress rods, so that the auxiliary pushing oil cylinder can apply force to the pile frame more conveniently.

Drawings

Fig. 1 is a schematic view of the pile frame of the present invention in a lying state.

Fig. 2 is a partial structural view in the direction a of fig. 1.

Fig. 3 is a schematic view of the state that the piston rod of the auxiliary push cylinder is fully extended when the pile frame rotates in the invention.

Fig. 4 is a schematic diagram of the state that the support frame supports and the piston rod of the auxiliary push oil cylinder retracts when the pile frame rotates (the movable block is located at the upper fixed point).

Fig. 5 is a schematic diagram of the state that the support frame supports and the piston rod of the auxiliary push cylinder retracts when the pile frame rotates (the movable block is located at the lower fixed point).

Fig. 6 is a schematic view showing a state where the pile frame is completely erected in the present invention.

In fig. 1 to 6: 1. pile frame, 2, slideway, 21, upper fixing point, 22, lower fixing point, 3, rear side rod, 4, lower side rod, 5, movable block; 6. the device comprises a main oil cylinder, 7 auxiliary push oil cylinders, 8 stress rods and 9 push blocks.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-6, a pile frame jacking device of a pile driving barge comprises a slideway 2 arranged on a pile frame 1, wherein one end of the slideway 2 is arranged at the joint of a rear side rod 3 and a lower side rod 4 of the pile frame 1, the other end of the slideway 2 is arranged at a position close to a pile driving surface of the pile frame 1, and one end of the slideway 2 close to the pile driving surface of the pile frame 1 is higher than the other end when the pile frame 1 is erected; a movable block 5 is arranged in the slideway 2; a main oil cylinder 6 is hinged to the ship body, and the main oil cylinder 6 is a double-acting oil cylinder. The end part of a piston rod of the main oil cylinder 6 is hinged with the movable block 5, one end of the slide way 2 at the piling face is provided with an upper fixed point 21 for fixing the movable block 5, the other end of the slide way 2 is provided with a lower fixed point 22 for fixing the movable block 5, and when the movable block 5 on the pile frame 1 is fixed at the lower fixed point 22, a piston rod of the main oil cylinder 6 extends out to enable the pile frame 1 to be in a vertical state;

two auxiliary push oil cylinders 7 which assist in pushing the pile frame 1 in the first half section of the pile frame 1 in the erecting process and then separate from the pile frame 1 are hinged to the ship body in parallel, and the auxiliary push oil cylinders 7 are two-section plunger oil cylinders; the cylinder body of the auxiliary push oil cylinder 7 is hinged in a cabin of the pile driving ship, and a avoidance hole for the piston rod of the auxiliary push oil cylinder 7 to penetrate out is formed in a deck of the pile driving ship. The rear side rod 3 is provided with two stress rods 8 at the joint of the rear side rod 3 and the lower side rod 4 close to the pile frame 1, the end part of a piston rod of the auxiliary pushing oil cylinder 7 is provided with a pushing block 9, and the pushing block 9 is provided with an arc-shaped groove matched with the stress rods 8. When the piston rod of the auxiliary pushing oil cylinder 7 is completely extended, the included angle between the pile frame 1 and the vertical plane is less than 45 degrees. The two auxiliary push oil cylinders 7 are respectively connected with the same hydraulic oil pump through an oil supply pipeline and an oil return pipeline, an overflow valve is arranged on the oil return pipeline, and the set pressure of the overflow valve is the jacking force required by the auxiliary push oil cylinders 7.

A pile frame jacking method provided with the pile frame jacking device of the pile driving barge comprises the following steps:

firstly, fixing a movable block 5 at an upper fixing point 21 of a slideway 2, pushing the end part of a piston rod of an auxiliary push oil cylinder 7 against a vertical pile, and then pushing the auxiliary push oil cylinder 7 and a main oil cylinder 6 together to lift a pile frame 1 until the piston rod of the auxiliary push oil cylinder 7 is completely extended out;

secondly, supporting the pile frame 1 by using a support frame on the deck, and retracting a piston rod of the auxiliary push oil cylinder 7;

moving the movable block 5 connected with the end part of the piston rod of the main oil cylinder 6 from the upper fixed point 21 to the lower fixed point 22, and then removing the support frame;

and step four, pushing out a piston rod of the main oil cylinder 6 to completely lift the pile frame 1.

A pile frame horizontal placing method provided with the pile frame jacking device of the pile driving barge comprises the following steps:

firstly, retracting a piston rod of a main oil cylinder 6, which is positioned at a lower fixed point 22 and is provided with a sliding block connected with the end part of a piston rod, so that the pile frame 1 initially rotates downwards;

secondly, supporting the pile frame 1 by using a support frame on the deck, and simultaneously extending a piston rod of the auxiliary push oil cylinder 7 to enable the end part of the piston rod to push against the vertical pile;

moving the movable block 5 connected with the end part of the piston rod of the main oil cylinder 6 from the lower fixed point 22 to the upper fixed point 21, and then removing the support frame;

and step four, fixing the movable block 5 at the upper fixing point 21 of the slideway 2, retracting the piston rod of the auxiliary push oil cylinder 7, and then retracting the auxiliary push oil cylinder 7 and the piston rod of the main oil cylinder 6 together until the pile frame 1 completely lies down.

The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, not restrictive; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.