CN214247204U

CN214247204U - Pile driver for light cement soil long spiral cast-in-place pile

Info

Publication number: CN214247204U
Application number: CN202022464986.1U
Authority: CN
Inventors: 黄建东
Original assignee: Shaoxing Yuecheng District Construction Engineering Quality Supervision And Testing Co ltd
Current assignee: Shaoxing Yuecheng District Construction Engineering Quality Supervision And Testing Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-09-21
Anticipated expiration: 2030-10-30

Abstract

A pile driver for a light cement soil long spiral cast-in-place pile belongs to the technical field of pile drivers; the drilling machine comprises a bod, the top of organism is equipped with the pile frame, the top of pile frame is equipped with the drilling rod, the one end of drilling rod is equipped with the telescopic link, the telescopic link comprises first sleeve, second sleeve and third sleeve in proper order, first sleeve and second sleeve sliding connection, second sleeve and third sleeve sliding connection, all be equipped with spacing hole on first sleeve and the telescopic one end outer wall of second, all be equipped with the elastic steel piece on second sleeve and the telescopic inner wall of third, the one end of elastic steel piece is equipped with hemisphere type stopper, the pneumatic cylinder is all installed to the front and back end of telescopic link, the slide rail is all installed to first sleeve and the telescopic inboard of second, all install the slide bar on second sleeve and the telescopic outer wall of third. The utility model discloses a flexible of telescopic link has lengthened the whole length of drilling rod, has deepened the drilling depth, has improved the practicality of pile driver.

Description

Pile driver for light cement soil long spiral cast-in-place pile

Technical Field

The utility model belongs to the technical field of the pile driver, specifically relate to a pile driver that long spiral bored concrete pile of light soil cement used.

Background

In the prior art, a long spiral pile driver is mostly used for cast-in-place pile construction, a main drill rod of the long spiral pile driver is driven to rotate by power, a drill bit under the main drill rod and a long spiral fan blade arranged on the main drill rod can drill out a pile hole at one time, and then a hollow main drill rod pours concrete into the pile hole to form a pile, but the length of the drill rod of the pile driver is matched with the height of a pile frame of the pile driver, because construction machinery is subjected to site factors and factors in the aspect of manufacturing machinery, the height of the construction pile frame is generally within 40 meters at most, due to different construction environments, when deep pile is required to be drilled, the height of the pile frame prepared in advance is insufficient, so that pile foundation treatment cannot be carried out, and construction progress is influenced.

Therefore, there is a need to develop a pile driver for a light cement soil long spiral cast-in-place pile, which can adjust the length of a drill rod and improve the practicability of the pile driver.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art and provides a pile driver for a light cement soil long spiral cast-in-place pile.

The above technical problem of the present invention can be solved by the following technical solutions: a pile driver for a light cement soil long spiral cast-in-place pile comprises a machine body, wherein a pile frame is installed at the top of the machine body, a drill rod is arranged at the top of the pile frame, a telescopic rod is installed at one end of the drill rod, the telescopic rod sequentially consists of a first sleeve, a second sleeve and a third sleeve from outside to inside, the first sleeve is in sliding connection with the second sleeve, the second sleeve is in sliding connection with the third sleeve, limiting holes are formed in the outer walls of the ends, away from the drill rod, of the first sleeve and the second sleeve, elastic steel sheets are installed on the inner walls of the second sleeve and the third sleeve, hemispherical limiting blocks are installed at one end of each elastic steel sheet, each hemispherical limiting block is in matched connection with the limiting holes, and pneumatic cylinders are symmetrically installed at the front end and the rear end of the telescopic rod;

slide rails are arranged on one sides, opposite to the limiting holes, in the first sleeve and the second sleeve along the radial direction, slide bars are arranged on the outer walls of the second sleeve and the third sleeve along the radial direction, and each slide bar is connected with the slide rail in a sliding mode.

Preferably, every all be connected with a solid fixed cylinder through rotating on the one end outer wall that first sleeve is close to the drilling rod, and every first installed part and second installed part, every are installed respectively at the both ends of pneumatic cylinder the one end that the pneumatic cylinder was kept away from to first installed part all passes through shock attenuation seat and pile frame fixed connection, and every the inboard of second installed part all links to each other with the piston rod of pneumatic cylinder through the dead lever, every the one end that the second installed part was kept away from to the dead lever all links to each other with a solid fixed cylinder.

Preferably, every the inside cavity structure that is equipped with of cushion socket, every all install the buffer board on the inner wall of cushion socket, every the buffer board is all installed to one side of buffer board, every one side that the buffer board was kept away from to the buffer board all links to each other with the cushion socket through a plurality of damping spring, and every the equal symmetric interlude in top of buffer board is equipped with the locating lever, every the both ends of locating lever link to each other with buffer board and cushion socket respectively, every the gag lever is all installed to one side that damping spring was kept away from to the locating lever.

Preferably, each damping plate is connected with the positioning rod in a sliding mode.

Preferably, the first sleeve and one end of the drill rod are both provided with a flange plate, and the two flange plates are fixedly connected through bolts.

Preferably, a driving motor is horizontally installed on the top of the pile frame close to the outer edge, and an output shaft of the driving motor is connected with the third sleeve through a coupler.

Preferably, the outer wall of the drill rod is fixedly wrapped with a helical blade.

The utility model discloses beneficial effect who has:

the utility model realizes the extension and retraction of the telescopic rod through the pneumatic cylinder, the first sleeve, the second sleeve, the third sleeve, the elastic steel sheet, the hemispherical stopper and the limiting hole, the whole length of the drill rod is lengthened through the extended telescopic rod, the drilling depth is deepened, and the practicability of the pile driver is improved; the shock absorption is realized through the buffer plate, the shock absorption plate and the shock absorption spring, the shock absorption effect is good, and the stability of the telescopic rod during stretching can be improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of section A of FIG. 1;

FIG. 3 is an enlarged schematic view of section B of FIG. 1;

fig. 4 is a schematic structural view of the telescopic rod of the present invention;

fig. 5 is a schematic structural view of the telescopic rod of the present invention;

fig. 6 is a schematic structural diagram of the damper seat of the present invention.

In the figure: 1. a body; 11. pile frames; 2. a drill stem; 21. a helical blade; 3. a telescopic rod; 31. a first sleeve; 311. a fixed cylinder; 32. a second sleeve; 33. a third sleeve; 34. an elastic steel sheet; 35. a hemispherical stopper; 36. a limiting hole; 37. a pneumatic cylinder; 38. a slide rail; 39. a slide bar; 4. a first mounting member; 5. a second mount; 51. fixing the rod; 6. a shock absorbing seat; 61. a buffer plate; 62. a damper plate; 63. a damping spring; 64. positioning a rod; 65. a limiting rod; 7. a flange plate; 8. the motor is driven.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): a pile driver for a light cement soil long spiral cast-in-place pile is shown in figures 1-5 and comprises a machine body 1, a pile frame 11 is installed at the top of the machine body 1, a drill rod 2 is arranged at the top of the pile frame 11, a telescopic rod 3 is installed at one end of the drill rod 2, the telescopic rod 3 sequentially consists of a first sleeve 31, a second sleeve 32 and a third sleeve 33 from outside to inside, the number of the sleeves can be set according to actual use requirements, two or more than three sleeves can be arranged, the first sleeve 31 is in sliding connection with the second sleeve 32, the second sleeve 32 is in sliding connection with the third sleeve 33, limiting holes 36 are formed in the outer walls of the ends, far away from the drill rod 2, of the first sleeve 31 and the second sleeve 32, elastic pieces 34 are installed on the inner walls of the second sleeve 32 and the third sleeve 33, a hemispherical limiting block 35 is installed at one end of each elastic piece 34, each hemispherical limiting block 35 is matched and connected with a limiting hole 36, pneumatic cylinders 37 are symmetrically installed at the front end and the rear end of the telescopic rod 3, slide rails 38 are installed on one sides, opposite to the limiting holes 36, in the first sleeve 31 and the second sleeve 32 along the radial direction, slide rods 39 are installed on the outer walls of the second sleeve 32 and the third sleeve 33 along the radial direction, each slide rod 39 is connected with the slide rail 38 in a sliding manner, the contraction stability of the telescopic rod 3 is improved through the sliding connection of the slide rods 39 and the slide rails 38, a driving motor 8 is horizontally installed at the top of the pile frame 11 close to the outer edge, an output shaft of the driving motor 8 is connected with the third sleeve 33 through a coupler, the telescopic rod 3 and the drill rod 2 are controlled to rotate through the driving motor 8 to realize drilling, after the drill rod 2 is drilled to the extreme limiting position, the first sleeve 31 is pushed through the pneumatic cylinders 37, and because the first sleeve 31 is connected with the second sleeve 32 in a sliding manner, the second sleeve 32 is slidably connected with the third sleeve 33, so that the telescopic rod 3 is extended, when the hemispherical stopper 35 reaches the position of the limiting hole 36, the hemispherical stopper 35 is clamped with the limiting hole 36 under the action of the elastic force of the elastic steel sheet 34, the telescopic rod 3 can be fixed, the whole length of the drill rod 2 is increased through the extended telescopic rod 3, the drilling depth is increased, the practicability of the pile driver is improved, after drilling is completed, the first sleeve 31 is pulled reversely through the pneumatic cylinder 37 to retract the telescopic rod 3, the flange plates 7 are respectively installed at one ends of the first sleeve 31 and the drill rod 2, the two flange plates 7 are fixedly connected through bolts, the first sleeve 31 and the drill rod 2 are connected through the arranged flange plates 7, disassembly is convenient, the helical blades 21 are fixedly wrapped on the outer wall of the drill rod 2, soil is conveyed upwards through the helical blades 21, and the outer wall of one end, close to the drill rod 2, of each first sleeve 31 is connected with the fixed cylinder 311 through a rotating part, make a fixed section of thick bamboo 311 be to rotate with first sleeve 31 through rotating the piece and be connected, rotate the piece and can adopt ball bearing, every first installed part 4 and second installed part 5, every are installed respectively to pneumatic cylinder 37's both ends first installed part 4 is kept away from the one end of pneumatic cylinder 37 and is all passed through shock mount 6 and pile frame 11 fixed connection, and every the inboard of second installed part 5 all links to each other with the piston rod of pneumatic cylinder 37 through dead lever 51, every the one end that second installed part 5 was kept away from to dead lever 51 all links to each other with fixed section of thick bamboo 311, realizes pneumatic cylinder 37's installation through first installed part 4 and second installed part 5.

As shown in fig. 2 and 6, a cavity structure is arranged inside each shock absorption seat 6, a buffer plate 61 is mounted on the inner wall of each shock absorption seat 6, the buffer plate 61 is connected with the first mounting part 4, the buffer plate 61 has a buffering function, so as to improve the shock absorption effect, the buffer plate 61 can be made of rubber or silicon rubber, a shock absorption plate 62 is mounted on one side of each buffer plate 61, one side of each shock absorption plate 62, which is far away from the buffer plate 61, is connected with the shock absorption seat 6 through a plurality of shock absorption springs 63, positioning rods 64 are symmetrically inserted into the top of each shock absorption plate 62, two ends of each positioning rod 64 are respectively connected with the buffer plate 61 and the shock absorption seat 6, a limiting rod 65 is mounted on one side of each positioning rod 64, which is far away from the shock absorption springs 63, each shock absorption plate 62 is slidably connected with the positioning rod 64, so that the pneumatic cylinder 37 can vibrate when working, the shock absorbing plate 62 is moved by the impact force, and the shock absorbing plate 62 presses the shock absorbing spring 63 to absorb shock by the elastic force of the shock absorbing spring 63.

The principle of the utility model is as follows: the telescopic rod 3 and the drill rod 2 are controlled to rotate by the driving motor 8 to realize drilling, after the drill rod 2 drills to a limit position, the first sleeve 31 is pushed by the pneumatic cylinder 37, because the first sleeve 31 is connected with the second sleeve 32 in a sliding way, and the second sleeve 32 is connected with the third sleeve 33 in a sliding way, the telescopic rod 3 is extended, when the hemispherical stop block 35 reaches the position of the stop hole 36, the hemispherical stopper 35 is clamped with the stopper hole 36 under the elastic force of the elastic steel sheet 34, the telescopic rod 3 can be fixed, the whole length of the drill rod 2 is lengthened through the extended telescopic rod 3, the drilling depth is deepened, after the drilling is finished, the first sleeve 31 is pulled reversely through the pneumatic cylinder 37, the telescopic rod 3 retracts, the pneumatic cylinder 37 vibrates during working, impact force enables the damping plate 62 to move, the damping plate 62 presses the damping spring 63 at the moment, and damping is achieved through elastic force of the damping spring 63.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. The pile driver for the light cement soil long spiral cast-in-place pile comprises a machine body (1) and is characterized in that a pile frame (11) is installed at the top of the machine body (1), a drill rod (2) is arranged at the top of the pile frame (11), a telescopic rod (3) is installed at one end of the drill rod (2), the telescopic rod (3) consists of a first sleeve (31), a second sleeve (32) and a third sleeve (33) from outside to inside in sequence, the first sleeve (31) is in sliding connection with the second sleeve (32), the second sleeve (32) is in sliding connection with the third sleeve (33), limiting holes (36) are formed in the outer wall of one end, far away from the drill rod (2), of the first sleeve (31) and the outer wall of one end, far away from the drill rod (2), of the second sleeve (32) and the inner wall of the third sleeve (33) are provided with elastic steel sheets (34), and each elastic steel sheet (34) is provided with a hemispherical limiting block (35), each hemispherical limiting block (35) is matched and connected with a limiting hole (36), and pneumatic cylinders (37) are symmetrically arranged at the front end and the rear end of the telescopic rod (3);

sliding rails (38) are radially arranged on one sides of the first sleeve (31) and the second sleeve (32) opposite to the limiting hole (36), sliding rods (39) are radially arranged on the outer walls of the second sleeve (32) and the third sleeve (33), and each sliding rod (39) is connected with the sliding rail (38) in a sliding mode; and the flange plates (7) are arranged at one ends of the first sleeve (31) and the drill rod (2), and the two flange plates (7) are fixedly connected through bolts.

2. The pile driver for the light cement soil long spiral cast-in-place pile of claim 1, characterized in that each first sleeve (31) is connected with a fixed cylinder (311) through a rotating part on the outer wall of one end close to the drill rod (2), a first installation part (4) and a second installation part (5) are respectively installed at two ends of the pneumatic cylinder (37), one end, far away from the pneumatic cylinder (37), of each first installation part (4) is fixedly connected with the pile frame (11) through a shock absorption seat (6), the inner side of each second installation part (5) is connected with a piston rod of the pneumatic cylinder (37) through a fixing rod (51), and one end, far away from the second installation part (5), of each fixing rod (51) is connected with the fixed cylinder (311).

3. The pile driver for the light cement soil long spiral cast-in-place pile of claim 2, characterized in that a cavity structure is arranged inside each shock absorption seat (6), a buffer plate (61) is installed on the inner wall of each shock absorption seat (6), a shock absorption plate (62) is installed on one side of each buffer plate (61), one side, away from the buffer plate (61), of each shock absorption plate (62) is connected with the shock absorption seat (6) through a plurality of shock absorption springs (63), positioning rods (64) are symmetrically arranged on the top of each shock absorption plate (62) in an penetrating mode, two ends of each positioning rod (64) are connected with the buffer plate (61) and the shock absorption seat (6) respectively, and a limiting rod (65) is installed on one side, away from the shock absorption springs (63), of each positioning rod (64).

4. Pile driver for a long screw lightweight cemented soil pile according to claim 3, characterised in that each of the damping plates (62) is slidably connected to a positioning rod (64).

5. Pile driver for a light cement soil long spiral cast-in-place pile according to claim 1, characterized in that a driving motor (8) is horizontally installed at the top of the pile frame (11) near the outer rim, and the output shaft of the driving motor (8) is connected with the third sleeve (33) through a coupling.

6. Pile driver for a light cement soil long spiral cast-in-place pile according to claim 1, characterized in that the outer wall of the drill rod (2) is fixedly wrapped with spiral blades (21).