CN112281840A

CN112281840A - Civil engineering pile driver support body

Info

Publication number: CN112281840A
Application number: CN202011177636.5A
Authority: CN
Inventors: 张硕; 龙丹
Original assignee: Henan University of Urban Construction
Current assignee: Henan University of Urban Construction
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-01-29

Abstract

The invention provides a civil engineering pile driver frame body which comprises a frame, a lifting device, a fetching limiting device and a pile hammer, wherein the frame is provided with a lifting device; the frame comprises a top plate and a bottom plate; two guide rods are fixed between the bottom plate and the top plate; the lifting device comprises a rope wheel, a driving device and a steel wire rope wound around the rope wheel; two frame plates are fixedly arranged at the bottom of the top plate, and two ends of the rope wheel are rotatably connected with the two frame plates; the first driving device drives the rotating shaft to rotate; the fetching limiting device comprises a moving block and at least one limiting plate; two sides of the moving block are both fixed with first sleeves in sliding fit with the guide rods through first connecting rods; the limiting plate is erected at the bottom of the moving block through the rotating device and drives the moving block to rotate; a second sleeve is fixed on each of two sides of the pile hammer through a second connecting rod; a limiting block is arranged above the pile hammer, and a first through groove which is in a convex shape in cross section and matched with the transverse limiting block is formed in the limiting block in the axial direction. The device can automatic facial make-up pile hammer, saves the pile time of piling, improves pile efficiency.

Description

Civil engineering pile driver support body

Technical Field

The invention relates to the technical field of civil engineering, in particular to a pile driver stand body in civil engineering.

Background

The pile driver is a piling machine which utilizes impact force to drive a pile into a stratum and consists of a pile hammer, a pile frame, accessory equipment and the like, wherein the pile hammer is attached between two parallel vertical guide rods at the front part of the pile frame and is lifted by a lifting hook. The pile frame is a steel structure tower frame, the rear part of the pile frame is provided with a winch for lifting the pile and the pile hammer, and the front part of the pile frame is provided with a guide frame consisting of two guide rods for controlling the piling direction so that the pile can accurately penetrate into the stratum according to the designed direction.

In the existing pile driver mounting structure, a pile hammer is released for pile driving by using a unhooking method, and then the pile hammer and a lifting hook are required to be connected again, so that pile driving time is greatly wasted, and pile driving efficiency is reduced.

Disclosure of Invention

In order to solve the problems, the invention aims to provide a civil engineering pile driver frame body. The device can automatic facial make-up pile hammer, saves the pile time of piling, improves pile efficiency.

In order to achieve the above purpose, the present invention provides the following technical solutions.

A civil engineering pile driver frame body comprises a frame, a lifting device, a fetching limiting device and a pile hammer; the frame comprises a top plate and a bottom plate; two guide rods are fixed between the bottom plate and the top plate;

the lifting device comprises a rope wheel, a driving device and a steel wire rope wound around the rope wheel; two frame plates are fixedly arranged at the bottom of the top plate, and two ends of the rope wheel are respectively and rotatably connected with the two frame plates through two rotating shafts; the first driving device drives the rotating shaft to rotate;

the fetching limiting device comprises a moving block and at least one limiting plate; first sleeves are fixed on two sides of the moving block through first connecting rods, and each first sleeve is in sliding fit with one guide rod; the tail end of the steel wire rope is fixedly connected with the top of the moving block; the limiting plate is erected at the bottom of the moving block through a rotating device and drives the moving block to rotate;

two sides of the pile hammer are respectively fixed with a second sleeve through a second connecting rod, and the two second sleeves are respectively in sliding fit with one guide rod; at least one limiting block is arranged above the pile hammer, the limiting block is fixedly connected with the pile hammer through a connecting shaft, a first through groove with a convex cross section is formed in the limiting block along the axial direction, and the first through groove is matched with the transverse limiting plate; and the bottom plate is provided with a second through groove matched with the pile hammer.

Preferably, the drive means comprises a first motor, a first pulley and a second pulley; a first motor plate and a bearing seat are fixedly arranged on the top of the top plate side by side, the first motor is fixedly arranged on the first motor plate, an output shaft of the first motor penetrates through the bearing seat and is fixedly connected with the first belt pulley, and the output shaft of the first motor is matched with the bearing seat through a bearing; the top plate is provided with a third through groove, and the third through groove is matched with the first belt pulley; a rotating shaft at one side of the rope wheel penetrates through the second belt wheel and is fixedly connected with the second belt wheel; the first belt wheel and the second belt wheel are connected through synchronous belt transmission.

Preferably, the rotating device comprises a second motor, a limiting plate and a second motor plate; the second motor plate is fixedly connected with the moving block through a plurality of supporting rods; the limiting plate is fixedly connected with the second motor plate through two fixing columns and is erected below the second motor plate; the top of the second motor plate is fixedly provided with a second motor, and an output shaft of the second motor sequentially penetrates through the second motor plate and the limiting plate and is fixedly connected with the limiting block.

Preferably, four corners between the bottom plate and the top plate are fixed through four support frames, and a support plate is fixed in the middle between every two support frames.

Preferably, a hydraulic cylinder plate is fixedly arranged between the two support frames on the two sides; a hydraulic cylinder is fixedly arranged at the bottom of the hydraulic cylinder plate, a universal wheel mounting plate is arranged at the end part of a push rod of the hydraulic cylinder, and universal wheels are arranged at two ends of the universal wheel mounting plate; and the bottom plate is provided with a fourth through groove matched with the universal wheel.

Preferably, mechanical lubricating oil is arranged in the groove of the first through groove.

The invention has the beneficial effects that:

the invention provides a civil engineering pile driver frame body which can grab a pile hammer through a material taking limiting device moving up and down, can automatically load the pile hammer, saves the pile driving time and improves the pile driving efficiency; through the universal wheel that can stretch out and draw back that the bottom set up, can make things convenient for the free removal of device, simultaneously when confirming pile position accessible pneumatic cylinder and retrieve the universal wheel, produce the deviation in the position when avoiding piling.

The invention is further described with reference to the following figures and examples.

Drawings

Fig. 1 is an overall structural view of a civil engineering pile driver mast body of an embodiment of the invention;

fig. 2 is a structural view of a lifting device of a frame body of a civil engineering pile driver according to an embodiment of the invention;

fig. 3 is a structural view of a fetching limit device of a civil engineering pile driver frame body according to an embodiment of the invention;

fig. 4 is a pile hammer configuration view of a civil engineering pile driver mast body according to an embodiment of the present invention.

In the figure: 1. a base plate; 2. a hydraulic cylinder; 3. a hydraulic cylinder plate; 4. a second sleeve; 5. a guide bar; 6. a support frame; 7. a support plate; 8. a support bar; 9. a first sleeve; 10. a first connecting rod; 11. a synchronous belt; 12. a frame plate; 13. a second pulley; 14. a first pulley; 15. a bearing seat; 16. a first motor; 17. a first motor plate; 18. a top plate; 19. a sheave; 20. a rotating shaft; 21. a wire rope; 22. a moving block; 23. a second motor; 24. a second motor plate; 25. a support plate; 26. a limiting plate; 27. a limiting block; 28. a connecting shaft; 29. a second connecting rod; 30. a pile hammer; 31. a universal wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Examples

A civil engineering pile driver frame body is shown in figures 1-4 and comprises a frame, a lifting device, a fetching limiting device and a pile hammer 30; the frame comprises a top plate 18 and a bottom plate 1; two guide rods 5 are fixed between the bottom plate 1 and the top plate 18 and used for limiting the vertical positions of the pile hammer 30 and the fetching limiting device;

the hoisting device comprises a rope sheave 19, a drive means and a wire rope 21 wound around the rope sheave 19, as shown in fig. 2; two frame plates 12 are fixedly arranged at the bottom of the top plate 18, and two ends of the rope wheel 19 are respectively and rotatably connected with the two frame plates 12 through two rotating shafts 20; the first driving device drives the rotating shaft 20 to rotate; lifting and lowering the fetching limiting device below through winding a steel wire rope 21;

the fetching limiting device comprises a moving block 22 and at least one limiting plate 26, as shown in fig. 2; two sides of the moving block 22 are both fixed with first sleeves 9 through first connecting rods 10, and each first sleeve 9 is respectively in sliding fit with one guide rod 5; the tail end of the steel wire rope 21 is fixedly connected with the top of the moving block 22; the limiting plate 26 is erected at the bottom of the moving block 22 through a rotating device and is driven to rotate; the two limiting plates 26 are driven to rotate by the rotating device, so that the object taking action is realized;

two sides of the pile hammer 30 are both fixed with second sleeves 4 through second connecting rods 29, and the two second sleeves 4 are respectively in sliding fit with one guide rod 5, as shown in fig. 3; at least one limiting block 27 is arranged above the pile hammer 30, the limiting block 27 is fixedly connected with the pile hammer 30 through a connecting shaft 28, a first through groove with a convex cross section is formed in the limiting block 27 along the axial direction, and the first through groove is matched with the transverse limiting plate 26; the bottom plate 1 is provided with a second through groove matched with the pile hammer 30; through rotating limiting plate 26 in the recess cooperation of stopper 27 to promote through hoisting device, the rethread rotates limiting plate 26 for pile hammer 30 freely falls, realizes the pile.

Preferably, the drive means comprise a first motor 16, a first pulley 14 and a second pulley 13, as shown in fig. 2; a first motor plate 17 and a bearing seat 15 are fixedly arranged on the top of the top plate 18 side by side, a first motor 16 is fixedly arranged on the first motor plate 17, an output shaft of the first motor 16 penetrates through the bearing seat 15 and is fixedly connected with a first belt pulley 14, and an output shaft of the first motor 16 is matched with the bearing seat 15 through a bearing; the top plate 18 is provided with a third through groove, and the third through groove is matched with the first belt wheel 14; a rotating shaft 20 at one side of the rope wheel 19 passes through the second belt wheel 13 and is fixedly connected with the second belt wheel 13; the first belt wheel 14 and the second belt wheel 13 are in transmission connection through a synchronous belt 11; the first motor 16 rotates to drive the rope pulley to rotate, the height of the device below is changed by winding the steel wire rope 21, and meanwhile, the lifting torque is increased through the transmission of the two belt pulleys.

Specifically, the rotating device comprises a second motor 23, a limit plate 26 and a second motor plate 24, as shown in fig. 3; the second motor plate 24 is fixedly connected with the moving block 22 through a plurality of supporting rods 8; the limiting plate 26 is fixedly connected with the second motor plate 24 through two fixing columns and erected below the second motor plate 24, and the strength of the device is improved through the fixing columns; the top of the second motor plate 24 is fixedly provided with a second motor 23, and an output shaft of the second motor 23 sequentially penetrates through the second motor plate 24 and the limiting plate 26 and is fixedly connected with the limiting block 27.

Preferably, four corners between the bottom plate 1 and the top plate 18 are fixed by four support frames 6, and a support plate 7 is fixed in the middle between every two support frames 6, so that the strength of the whole device is increased.

In addition, a hydraulic cylinder plate 3 is fixedly arranged between the two supporting frames 6 at the two sides; the bottom of the hydraulic cylinder plate 3 is fixedly provided with a hydraulic cylinder 2, the end part of a push rod of the hydraulic cylinder 2 is provided with a universal wheel mounting plate, and two ends of the universal wheel mounting plate are both provided with universal wheels 31; the bottom plate 1 is provided with a fourth through groove matched with the universal wheel 31; the telescopic moving device is convenient to move and is stable when the operation is carried out after the position is determined.

In addition, mechanical lubricating oil is arranged in the groove of the first through groove.

In the present embodiment, the first and second electrodes are,

automatic pile hammer 30 lifting: the first motor 16 is driven to rotate, the rope pulley 19 is driven to rotate in a synchronous belt transmission mode, and the lower steel wire rope 21 enables the whole moving block 22 to move downwards until the two limiting blocks 27 below the moving block 22 are clamped into the first through groove; driving the two second motors 23 to rotate, respectively clamping the two limiting blocks 27 into the two first through grooves with the convex cross sections, driving the first motor 16 to rotate again, enabling the whole moving block 22 to move upwards, and bringing the pile hammer 30 away from the ground to form a suspended state;

the device is moved to the position above a position where pile driving is needed, the hydraulic cylinder 2 is driven by the hydraulic pump to extend to push out the universal wheels 31 at the bottom of the hydraulic cylinder 2, and the two groups of universal wheels 31 support the whole device so as to push the whole device to move to the position above the position where pile driving is needed; the hydraulic cylinder 2 is driven to contract through the hydraulic pump again, so that the whole device is stably arranged at a target position;

and (3) lowering the pile hammer 30: the two second motors are driven to rotate again, the two limiting blocks 27 slide out of the two first through grooves, and due to the existence of the guide rod 5, the pile hammer 30 freely falls in the vertical direction to carry out piling operation; repeated operation realizes piling for many times.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The civil engineering pile driver frame body is characterized by comprising a frame, a lifting device, a fetching limiting device and a pile hammer (30); the frame comprises a top plate (18) and a bottom plate (1); two guide rods (5) are fixed between the bottom plate (1) and the top plate (18);

the hoisting device comprises a rope wheel (19), a driving device and a steel wire rope (21) wound around the rope wheel (19); two frame plates (12) are fixedly arranged at the bottom of the top plate (18), and two ends of the rope wheel (19) are respectively and rotatably connected with the two frame plates (12) through two rotating shafts (20); the first driving device drives the rotating shaft (20) to rotate;

the fetching limiting device comprises a moving block (22) and at least one limiting plate (26); two sides of the moving block (22) are respectively fixed with a first sleeve (9) through a first connecting rod (10), and each first sleeve (9) is in sliding fit with one guide rod (5); the tail end of the steel wire rope (21) is fixedly connected with the top of the moving block (22); the limiting plate (26) is erected at the bottom of the moving block (22) through a rotating device and is driven to rotate;

two sides of the pile hammer (30) are respectively fixed with a second sleeve (4) through a second connecting rod (29), and the two second sleeves (4) are respectively in sliding fit with one guide rod (5); at least one limiting block (27) is arranged above the pile hammer (30), the limiting block (27) is fixedly connected with the pile hammer (30) through a connecting shaft (28), a first through groove with a convex cross section is formed in the limiting block (27) along the axial direction, and the first through groove is matched with the transverse limiting plate (26); and the bottom plate (1) is provided with a second through groove matched with the pile hammer (30).

2. Civil engineering pile driver frame body according to claim 1, characterised in that the drive means comprise a first electric motor (16), a first pulley (14) and a second pulley (13); a first motor plate (17) and a bearing seat (15) are fixedly arranged on the top of the top plate (18) side by side, the first motor (16) is fixedly arranged on the first motor plate (17), an output shaft of the first motor (16) penetrates through the bearing seat (15) and is fixedly connected with the first belt wheel (14), and an output shaft of the first motor (16) is matched with the bearing seat (15) through a bearing; a third through groove is formed in the top plate (18), and the third through groove is matched with the first belt pulley (14); a rotating shaft (20) at one side of the rope wheel (19) penetrates through the second belt wheel (13) and is fixedly connected with the second belt wheel (13); the first belt wheel (14) and the second belt wheel (13) are in transmission connection through a synchronous belt (11).

3. Civil engineering pile driver frame body according to claim 1, characterised in that the rotation means comprise a second motor (23), a limit plate (26) and a second motor plate (24); the second motor plate (24) is fixedly connected with the moving block (22) through a plurality of supporting rods (8); the limiting plate (26) is fixedly connected with the second motor plate (24) through two fixing columns and is erected below the second motor plate (24); the top of the second motor plate (24) is fixedly provided with a second motor (23), and an output shaft of the second motor (23) sequentially penetrates through the second motor plate (24) and the limiting plate (26) and is fixedly connected with the limiting block (27).

4. Civil engineering pile driver mast body according to claim 1, characterised in that the four corners between the bottom plate (1) and the top plate (18) are fixed by four support frames (6), and a support plate (7) is fixed in the middle between every two support frames (6).

5. The civil engineering pile driver stand body according to claim 4, characterised in that a hydraulic cylinder plate (3) is fixedly arranged between the two support frames (6) on both sides; a hydraulic cylinder (2) is fixedly arranged at the bottom of the hydraulic cylinder plate (3), a universal wheel mounting plate is arranged at the end part of a push rod of the hydraulic cylinder (2), and universal wheels (31) are arranged at two ends of the universal wheel mounting plate; and the bottom plate (1) is provided with a fourth through groove matched with the universal wheel (31).

6. The civil engineering pile driver stand body of claim 1, wherein the first through slot is provided with mechanical lubrication oil.