CN212983857U

CN212983857U - Pile machine slewing mechanism, pile machine base and pile machine

Info

Publication number: CN212983857U
Application number: CN202021362720.XU
Authority: CN
Inventors: 周兆弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-11
Filing date: 2020-07-11
Publication date: 2021-04-16
Anticipated expiration: 2030-07-11

Abstract

The utility model provides a stake machine rotation mechanism has the stake machine base of this mechanism and has the stake machine of this base, relates to stake machine technical field. The pile machine slewing mechanism comprises a platform slewing bearing frame and a pile machine platform, wherein the platform slewing bearing frame is used for mounting the pile machine platform; two sliding support beams respectively oppositely arranged at the bottom of the opposite side of the platform slewing support frame to support the platform slewing support frame; the two sliding support beams are respectively connected with the platform slewing bearing frame in a rotating mode, and the sliding support beam bearings generate different displacements under the driving of driving force so as to drive the platform slewing bearing frame to rotate. The mechanism can solve the technical problem that a slewing mechanism in the prior art is not beneficial to bearing larger load.

Description

Pile machine slewing mechanism, pile machine base and pile machine

Technical Field

The utility model relates to a stake machine technical field especially relates to stake machine rotation mechanism, use this stake machine rotation mechanism's stake machine base and use the pile driver of this stake machine base.

Background

In the prior art, although a plurality of pile machines have a rotation function, a rotary table is supported through a roller or a large-sized bearing so as to realize the relative rotation of the rotary table and a pile foundation platform. However, in the roller contact or the roller contact of the bearing, the contact area is actually the sum of a plurality of line contacts or point contacts, and the contact area is not large, which is not beneficial to bearing larger load. And moreover, the machining of a circle with a larger diameter so as to meet the installation precision requirement of the bearing and the roller causes great difficulty in the machining process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stake machine rotation mechanism to the rotation mechanism who exists is unfavorable for assuming the technical problem of great load among the solution prior art.

The utility model provides a pile machine slewing mechanism, which comprises a platform slewing bearing frame, a pile machine platform and a pile driving mechanism, wherein the platform slewing bearing frame is used for installing the pile machine platform; two sliding support beams respectively oppositely arranged at the bottoms of the opposite sides of the platform slewing support frame to support the platform slewing support frame;

the two sliding support beams are respectively connected with the platform slewing bearing frame in a rotating mode, and the sliding support beams generate different displacements under the driving of a driving force so as to drive the platform slewing bearing frame to rotate.

The utility model discloses stake machine rotation mechanism's beneficial effect does:

the utility model provides a stake machine rotation mechanism installs on the slip supporting beam through rotating platform slewing bearing frame, can drive platform slewing bearing frame and rotate when the slip supporting beam takes place to remove. Therefore, a bearing hole which is large in size and difficult to guarantee in precision does not need to be manufactured to bear the rotary supporting frame of the platform.

The preferable technical scheme is characterized in that: each sliding support beam can move linearly in the positive direction or the negative direction along the direction of the driving force, wherein the sliding support beams on the opposite sides move oppositely.

The sliding support beam moves in the opposite direction, so that the platform slewing support frame rotates.

The preferable technical scheme is characterized in that: a rotary connecting assembly is arranged between the platform slewing bearing frame and the corresponding sliding bearing beam, and is used for connecting the platform slewing bearing frame and the corresponding sliding bearing beam and supporting the platform slewing bearing frame to be rotatably connected with the two sliding bearing beams;

at least one of the platform slewing bearing frame and the corresponding sliding bearing beam is provided with a rotating wheelbase maintaining component, and when the platform slewing bearing frame rotates, the rotating wheelbase maintaining component is used for abutting against the rotating connecting component to maintain the distance between the rotating connecting components on the opposite sides to be consistent.

When the sliding support beam moves, the distance between the original projection positions of the rotating axes of the support beam is increased. The rotation axis is arranged to be movable relative to the slewing support beam to compensate for the change in the distance, thereby enabling the platform slewing support frame to rotate smoothly.

The preferable technical scheme is characterized in that: the rotating connecting assembly comprises a rotating seat and a rotating shaft;

the upper end of the rotating seat is fixed at the bottom of the platform slewing bearing frame, the lower end of the rotating seat extends into a sliding bearing beam corresponding to the bottom of the rotating seat,

the upper end of the rotating shaft penetrates from the bottom of the sliding supporting beam and extends into the lower end of the rotating seat to be connected with the rotating seat, and the rotating shaft can rotate relative to the rotating seat.

The rotary connecting assembly is in the form of a rotary seat and a rotary shaft, so that the rotary supporting frame of the platform and the sliding supporting beam can be conveniently and rotatably connected.

Further preferred, the pivot axis distance maintaining unit is additionally characterized in that the pivot axis distance maintaining unit includes a compression buffer block disposed in the sliding support beam and a pressing block pressed between the compression buffer block and the lower end of the pivot base.

Through setting up the compression buffer block, can directly make the compression buffer block produce the effort of horizontal direction to make full use of compression buffer block's effort stabilizes the whole mechanism, and the release is rotated and is produced the effort that the distance change brought, sets up the structure that compression buffer block can be simplified to the briquetting, is convenient for more process.

Still further preferred technical solution is additionally characterized in that: one of the platform slewing bearing frame and the corresponding sliding bearing beam is provided with an elastic reset switch, and the other is provided with a reset switch trigger piece; and in the process that the sliding support beam on the opposite side moves in the opposite direction relatively to drive the platform slewing bearing frame to rotate, the reset switch trigger piece is used for abutting against the elastic reset switch so as to touch and stop the sliding support beam on the opposite side which moves in the opposite direction relatively.

Through set up the elasticity reset switch in platform slewing bearing frame and slip supporting beam, be equipped with reset switch trigger piece on the other, can let above-mentioned two rotatory when certain angle, the elasticity reset switch is triggered, can stop the hydraulic cylinder fuel feeding, avoids rotation angle too big, takes place danger.

A further preferred solution is additionally characterized in that: the reset switch trigger piece and the elastic reset switch which are matched in pairs are provided with two pairs, and each pair is respectively positioned on different sides of the rotating connecting component.

Through the cooperation in pairs and set up two pairs of elasticity respectively at the different sides and reset switch trigger piece, can let the homoenergetic guarantee safety when platform slewing bearing frame and sliding support roof beam corotation and reversal.

The preferable technical scheme is characterized in that: a first travelling mechanism is correspondingly arranged below each sliding support beam, a sliding groove extending along the moving direction of the sliding support beam is formed in the first travelling mechanism, a first trolley capable of moving along the axis direction of the sliding groove and a second trolley capable of moving along with the movement of the first trolley are arranged in the sliding groove, and the bottoms of the left end and the right end of the sliding support beam are respectively supported on the first trolley and the second trolley and are fixedly connected with the first trolley and the second trolley; the first trolley moves along the axis direction of the sliding chute to drive the sliding support beam to move.

Through setting up first dolly and second dolly, the dolly removes and can realize the axis direction motion in the spout and drive the slip supporting beam to change the position of revolving axle, and then drive platform slewing bearing frame and rotate.

Further preferred technical solution is additionally characterized in that: and steering sliding friction plates are arranged on the sliding support beam and/or the platform slewing support frame.

Through setting up and turning to the slip friction disc, can directly undertake the friction between slip supporting beam and the platform slewing bearing frame to the loss that has reduced slip supporting beam and platform slewing bearing frame. When the steering sliding friction plate is excessively worn, the steering sliding friction plate can be detached and replaced by a new steering sliding friction plate.

Another object of the present invention is to provide a pile machine base, comprising the above pile machine revolving mechanism, a pile machine platform and two second advancing mechanisms; pile machine platform erects on pile machine rotation mechanism's the platform slewing bearing frame, two the second advancing mechanism is located the left and right sides of sliding support roof beam respectively and is connected with the pile machine platform through elevating gear.

The pile machine base has all the technical effects of the pile machine swing mechanism, and the lifting device drives the second advancing mechanism to move in cooperation with the operation of the pile machine swing mechanism, so that the position of the second advancing mechanism can be changed, and the requirement that the pile machine swing mechanism drives the pile machine base to continuously swing is met.

Another object of the utility model is to provide a stake machine is provided with foretell stake machine base. The pile machine has all the technical effects of the pile machine base.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a swing mechanism of a pile machine according to a first embodiment of the present invention;

FIG. 2 is a perspective view of FIG. 1 with the platform slewing bearing frame omitted;

FIG. 3 is a perspective view of the platform slewing bearing frame and sliding support beam of FIG. 1;

FIG. 4 is a schematic representation of the section through the axis of the two rotary shafts of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 4;

FIG. 6 is a perspective view of the rotary base and the rotary shaft shown in FIG. 5;

FIG. 7 is a top view of FIG. 2;

FIG. 8 is a schematic view of the cross-section taken along line A-A of FIG. 7;

FIG. 9 is a perspective view of a pile machine base;

FIG. 10 is a schematic perspective view of example 2 at step 2;

FIG. 11 is a front view of FIG. 10;

FIG. 12 is a schematic perspective view of example 2 in step 3;

FIG. 13 is a front view of FIG. 12;

FIG. 14 is a top view of FIG. 12;

FIG. 15 is a schematic perspective view of example 2 at step 4;

FIG. 16 is a front view of FIG. 15;

FIG. 17 is a schematic perspective view of example 2 at step 5;

FIG. 18 is a top view of FIG. 17;

fig. 19 is a front view of fig. 17.

The reference numerals used in the respective examples indicate the following meanings: 10-a platform slewing bearing frame; 11-a rotating seat; 12-a rotating shaft; 13-an elastic reset switch; 14-reset switch trigger; 20-sliding support beams; 22-steering sliding friction plate; 30-a first travel mechanism; 31-a chute; 311-a first trolley; 312-a second cart; 40-pile machine platform; 41-a lifting device; 50-a rotating wheelbase retaining assembly; 511-compress buffer block; 512-a press block; 60-a second travel mechanism.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

The embodiment provides a pile machine slewing mechanism, which comprises a platform slewing bearing frame 10, a pile machine platform and a pile driving mechanism, wherein the platform slewing bearing frame is used for mounting the pile machine platform; two sliding support beams 20 respectively oppositely disposed at the bottom of the opposite sides of the platform slewing support frame 10 to support the platform slewing support frame 10; the two sliding support beams 20 are respectively connected with the platform slewing bearing frame 10 in a rotating manner, the sliding support beams 20 are driven by different driving forces to generate different displacements so as to drive the platform slewing bearing frame 10 to rotate, the different displacements mean that the sliding support beams 20 have at least one displacement with different directions or different magnitudes under the driving force, specifically, each sliding support beam (20) can do forward or reverse linear movement along the direction of the driving force, and the sliding support beams (20) on the opposite sides relatively move in the reverse direction. By rotatably mounting the platform slewing support frame 10 on the sliding support beam 20, the platform slewing support frame 10 can be driven to rotate when the sliding support beam 20 moves. Therefore, bearing holes which are large in size and difficult to guarantee in precision do not need to be manufactured to bear the rotary supporting frame of the platform, the rotary mechanism of the pile machine is convenient to machine and install, low in machining cost and simple to maintain, the weight of the rotary mechanism of the whole pile machine is small, the steel consumption is correspondingly reduced, and the supporting platform of the whole equipment can be reduced.

Specifically, a rotating connection assembly is arranged between the platform slewing bearing frame 10 and the corresponding sliding support beam 20, the rotating connection assembly is used for connecting the platform slewing bearing frame 10 and the corresponding sliding support beam 20 and supporting the platform slewing bearing frame 10 to be rotatably connected with the two sliding support beams 20, at least one of the platform slewing bearing frame 10 and the corresponding sliding support beam 20 is provided with a rotating wheelbase retaining assembly 50, and when the platform slewing bearing frame 10 rotates, the rotating wheelbase retaining assembly 50 is used for abutting against the rotating connection assembly to keep the distance between the rotating connection assemblies on the opposite sides consistent.

When the platform slewing bearing frame 10 rotates, the supporting parts of the sliding bearing beams 20 are not moved, and the distance between the rotating shafts changes along with the rotation, and the distance variation generated by the rotation is released by arranging the rotating wheel base retaining assembly 50 on at least one of the platform slewing bearing frame 10 and the corresponding sliding bearing beam 20, so that the platform slewing bearing frame 10 can rotate smoothly. More specifically, the rotating connection assembly includes a rotating base 11 and a rotating shaft 12, wherein the upper end of the rotating base 11 is fixed at the bottom of the platform slewing bearing frame 10, the lower end of the rotating base 11 extends into a sliding bearing beam 20 corresponding to the bottom of the rotating base, the upper end of the rotating shaft 12 penetrates from the bottom of the sliding bearing beam 20 and extends into the lower end of the rotating base 11 to connect the rotating base 11, and the rotating shaft 12 is rotatable relative to the rotating base 11.

The rotation seat is welded in the bottom of platform slewing bearing frame 10, rotation axis 12 passes in the pivot hole of sliding support roof beam 20, and stretch into in the lower extreme of rotation seat 11 in order to connect rotation seat 11, thereby make platform slewing bearing frame 10 can rotate for sliding support roof beam 20, the design can let this revolution mechanic have longer cooperation length like this, and is more stable, simultaneously can the dismouting use, can change the use after rotation axis 12 and the wearing and tearing of rotation seat 11, can transport after platform slewing bearing frame 10 and sliding support roof beam 20 split again in the transportation, reduce the transportation degree of difficulty.

Still more specifically, the rotating wheelbase maintaining assembly 50 includes a compression buffer block 511 disposed in the sliding support beam 20 and a pressing block 512 pressed between the compression buffer block 511 and the lower end of the rotating seat 11.

Through setting up compression buffer block 511, can directly make compression buffer block 511 produce the effort of horizontal direction to make full use of compression buffer block 511's effort, the release is rotated and is produced the effort that the distance change brought, stabilizes the overall mechanism, sets up the structure that compression buffer block can be simplified to briquetting 512, is convenient for more process.

More specifically, one of the platform slewing bearing frame 10 and the corresponding sliding bearing beam 20 is provided with an elastic reset switch 13, and the other is provided with a reset switch trigger 14, and during the relative reverse movement of the sliding bearing beam 20 on the opposite side to drive the platform slewing bearing frame 10 to rotate, the reset switch trigger 14 is used for abutting against the elastic reset switch 13 to stop the sliding bearing beam 20 on the opposite side which is relatively reversely moved.

Through set up elasticity reset switch 13 in platform slewing bearing frame 10 and sliding support beam 20, be equipped with reset switch trigger 14 on the other, can let above-mentioned two when rotatory certain angle, elasticity reset switch 13 is triggered, can stop the hydraulic cylinder fuel feeding, avoids rotation angle too big, takes place danger.

Still more specifically, the paired mating reset switch triggers 14 and resilient reset switches 13 have two pairs and each pair is located on a different side of the rotating link assembly.

Through the cooperation in pairs and set up two pairs of elasticity respectively and reset 13 and reset switch trigger 14 in the different sides, can let when platform slewing bearing frame and sliding support roof beam corotation and reversal homoenergetic guarantee safety.

More specifically, a first traveling mechanism 30 is correspondingly disposed below each sliding support beam 20, a sliding slot 31 extending along the moving direction of the sliding support beam 20 is formed on the first traveling mechanism 30, a first trolley 311 capable of moving along the axial direction of the sliding support beam and a second trolley 312 capable of moving along with the movement of the first trolley 311 are disposed in the sliding slot 31, the bottoms of the left and right ends of the sliding support beam 20 are respectively supported on and fixedly connected with the first trolley 311 and the second trolley 312, and the first trolley 311 moves along the axial direction of the sliding slot 31 to drive the sliding support beam 20 to move.

By arranging the first trolley 311 and the second trolley 312, the trolley movement can realize axial movement in the sliding groove 31 to drive the sliding support beam 20 to change the position of the rotating shaft, and further drive the platform slewing support frame 10 to rotate. The arrangement of the chute 31 provides a limit to the movement of the trolley, which can be moved along a given path without undefined movement and thus avoiding danger.

Still more specifically, the platform slewing bearing frame 10 and/or said skid bearing beams 20 are provided with steering skid friction plates 22.

By providing the steering sliding friction plate 22, friction between the sliding support beam 20 and the platform slewing frame 10 can be directly borne, thereby reducing the loss of the sliding support beam 20 and the platform slewing frame 10. When the steering slide friction plate 22 is worn excessively, the steering slide friction plate 22 may be removed and replaced with a new steering slide friction plate 22.

Example two

The embodiment provides a pile machine base, which is provided with any one of the pile machine rotating mechanisms, a pile machine platform 40 and two second advancing mechanisms 60, wherein the pile machine platform 40 is erected on a platform rotating support frame 10 of the pile machine rotating mechanism, and the two second advancing mechanisms 60 are respectively positioned on the left side and the right side of a sliding support beam 20 and are connected with the pile machine platform 40 through a lifting device 41.

The pile machine base has all the technical effects of the pile machine swing mechanism, and the lifting device 41 drives the second advancing mechanism 60 to move in cooperation with the operation of the pile machine swing mechanism, and the position of the second advancing mechanism 60 can also be changed, so that the requirement that the pile machine swing mechanism drives the pile machine base to continuously swing is met. The operation principle of the embodiment is as follows:

1. in the initial state, the second travel mechanism 60 is grounded, and the first travel mechanism 30 is suspended, which is shown in fig. 9.

2. Then, the lifting device 41 drives the pile machine platform 40 to descend, and the chute and the first traveling mechanism 30 descend. In the descending process, after the first travel mechanism 30 contacts the ground, the second travel mechanism 60 is lifted, and the state at this time is shown in fig. 10 and 11.

3. The first carriage 311 and the second carriage 312 start to slide under the driving force to move the sliding support beam 20, and at this time, the sliding support beam 20 on the opposite side relatively moves in the opposite direction, the distance between the rotating connection assemblies of the sliding support beam 20 increases, and at least one rotating connection assembly acts on the rotating shaft distance keeping assembly 50 to satisfy the increase of the distance between the rotating connection assemblies. If one of the platform slewing bearing frame 10 and the corresponding sliding bearing beam 20 is provided with the elastic reset switch 13 and the other is provided with the reset switch trigger 14 when the slewing angle is larger, the reset switch assembly will work to cut off the driving force and ensure the safety of rotation. The state at this time is shown in fig. 12, 13 and 14.

4. The lifting device 41 operates to lower the second travel mechanism 60. During the descent, after the second travel mechanism 60 makes contact with the ground, the first travel mechanism 30 is lifted. The state at this time is shown in fig. 15 and 16;

5. the first trolley 311 and the second trolley 312 start to slide under the driving of the driving force, and drive the sliding support beam 20 to reset. So that the sliding support beam 20 remains parallel to the corresponding side of the platform slewing support frame 10. When the swing needs to be performed again, the second travel mechanism 60 may be grounded, that is, the state in step 1 may be recovered. The state at this time is shown in fig. 17, 18, and 19.

EXAMPLE III

The embodiment provides a pile machine, which is provided with the pile machine base. The pile machine has all the technical effects of the pile machine base.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced, for example:

(1) in embodiment 1, the rotating base is mounted on the platform pivoting support frame, and the pivoting shaft is mounted on the sliding support beam, and the positions of the two are actually interchanged, so that the same effect can be achieved.

(2) The compression cushion block in embodiment 1 may be replaced with a cylindrical helical compression spring with an appropriate stiffness, amount of deformation, initial length, etc., replaced with a disc spring, or an elastic cylinder.

(3) In embodiment 1, the rotary base is fixedly mounted on the platform slewing bearing frame, and the rotary shaft is slidably mounted on the sliding bearing beam, and actually, the connection modes of the rotary base and the sliding bearing beam can be interchanged with each other.

Such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The swing mechanism of the pile machine is characterized in that,

comprises a platform slewing bearing frame (10) for mounting a pile driver platform; two sliding support beams (20) respectively oppositely arranged at the bottom of the opposite sides of the platform slewing bearing frame (10) to support the platform slewing bearing frame (10); the two sliding support beams (20) are respectively in rotating connection with the platform slewing support frame (10), and the sliding support beams (20) generate different displacements under the driving of a driving force so as to drive the platform slewing support frame (10) to rotate.

2. A machine swing mechanism according to claim 1, wherein each of said skid beams (20) is linearly movable in a forward or reverse direction in response to a driving force, and wherein said skid beams (20) on opposite sides are relatively movable in a reverse direction.

3. The pile driver slewing mechanism according to claim 2,

a rotating connecting assembly is arranged between the platform slewing bearing frame (10) and the corresponding sliding bearing beam (20), and is used for connecting the platform slewing bearing frame (10) and the corresponding sliding bearing beam (20) and supporting the platform slewing bearing frame (10) to be rotatably connected with the two sliding bearing beams (20);

at least one of the platform slewing bearing frame (10) and the corresponding sliding bearing beam (20) is provided with a rotating wheelbase maintaining assembly (50), and when the platform slewing bearing frame (10) rotates, the rotating wheelbase maintaining assembly (50) is used for abutting against the rotating connecting assembly to maintain the distance between the rotating connecting assemblies on the opposite sides to be consistent.

4. A machine swing mechanism according to claim 3, wherein said rotation connection assembly comprises a rotation seat (11) and a rotation shaft (12);

the upper end of the rotating seat (11) is fixed at the bottom of the platform slewing bearing frame (10), the lower end of the rotating seat (11) extends into a sliding bearing beam (20) corresponding to the bottom of the rotating seat,

the upper end of the rotating shaft (12) penetrates from the bottom of the sliding supporting beam (20) and extends into the lower end of the rotating seat (11) to be connected with the rotating seat (11), and the rotating shaft (12) can rotate relative to the rotating seat (11).

5. Machine slewing mechanism according to claim 4, characterized in that the swivel base retaining assembly (50) comprises a compression buffer block (511) arranged in the sliding support beam (20) and a pressing block (512) which abuts between the compression buffer block (511) and the lower end of the swivel seat (11).

6. The pile machine slewing mechanism according to claim 3, characterized in that one of the platform slewing bearing frame (10) and its corresponding sliding bearing beam (20) is provided with an elastic reset switch (13) and the other is provided with a reset switch trigger (14); and in the process that the sliding support beam (20) on the opposite side moves in the opposite direction relatively to drive the platform slewing bearing frame (10) to rotate, the reset switch trigger (14) is used for abutting against the elastic reset switch (13) so as to stop the sliding support beam (20) on the opposite side which moves in the opposite direction relatively.

7. Machine slewing gear according to claim 6, characterized in that the reset switch triggering element (14) and the resilient reset switch (13) for mating in pairs are provided in two pairs, each pair being located on a different side of the rotating connection assembly.

8. The swing mechanism of the pile driver as claimed in any one of claims 2 to 7, wherein a first traveling mechanism (30) is correspondingly disposed below each sliding support beam (20), a sliding chute (31) extending along the moving direction of the sliding support beam (20) is formed on the first traveling mechanism (30), a first trolley (311) capable of moving along the axial direction of the sliding chute (31) and a second trolley (312) moving along with the movement of the first trolley (311) are disposed in the sliding chute (31), and the bottoms of the left and right ends of the sliding support beam (20) are respectively supported on and fixedly connected with the first trolley (311) and the second trolley (312); the first trolley (311) moves along the axial direction of the sliding chute (31) to drive the sliding support beam (20) to move.

9. Machine slewing mechanism according to any one of claims 2-7, characterized in that steering sliding friction plates (22) are provided on the platform slewing bearing frame (10) and/or the sliding bearing beam (20).

10. A pile machine base, characterized in that it comprises a pile machine swivel mechanism according to claim 1, a pile machine platform (40) and two second travelling mechanisms (60); pile machine platform (40) erect be in on pile machine rotation mechanism's platform slewing bearing frame (10), two second advancing mechanism (60) are located the left and right sides of sliding support roof beam (20) respectively and are connected with pile machine platform (40) through elevating gear (41).

11. A pile machine characterized by being provided with a pile machine base according to claim 10.