CN218894127U

CN218894127U - Guiding rotation device, grab bucket assembly and piling machinery

Info

Publication number: CN218894127U
Application number: CN202222918615.5U
Authority: CN
Inventors: 杨飞; 于帅; 张世平
Original assignee: Beijing Sany Intelligent Technology Co Ltd
Current assignee: Beijing Sany Intelligent Technology Co Ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-04-21
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to the technical field of engineering machinery and provides a guiding and rotating device, a grab bucket assembly and piling machinery, wherein the guiding and rotating device comprises a fixing frame body, a rotating frame body, a first driving device and a pipe coiling device, and the fixing frame body is used for being connected with a mast; the rotary frame body is used for being connected with the grab bucket and is rotationally connected with the fixed frame body; the first driving device is arranged to drive the rotary frame body to rotate relative to the fixed frame body; the pipe coiling device is used for coiling and uncoiling an oil pipe connected with a grab bucket oil cylinder of the grab bucket and is arranged on the rotary frame body. So set up, when the snatch direction of adjustment grab bucket, grab bucket and reelpipe device all rotate with rotatory support body is synchronous, grab bucket and reelpipe device are fixed relatively, can effectively avoid the problem that oil pipe was twisted to reduce the problem that oil pipe damaged, solved among the prior art when the snatch direction of adjustment guide arm formula grab bucket oil pipe is twisted.

Description

Guiding rotation device, grab bucket assembly and piling machinery

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a guiding rotating device, a grab bucket assembly and piling machinery.

Background

The guide rod type grab bucket is a foundation construction machine suitable for grooving operation of underground continuous walls of high-rise buildings, subways and the like. The guide rod type grab bucket can be in sliding connection with the mast of the rotary drilling rig through the sliding frame, the guide rod of the guide rod type grab bucket is in sliding connection with the sliding frame, the sliding frame is used for lifting and guiding the guide rod type grab bucket, and the guide rod type grab bucket is limited to rotate relative to the mast, so that the stability of the guide rod type grab bucket in the working process is ensured. The grabbing action of the guide rod type grab bucket is mainly realized by virtue of a grab bucket oil cylinder, and a pipe coiling device is arranged above the sliding frame and used for coiling an oil pipe connected to the grab bucket oil cylinder.

In order to meet the working condition requirements of grooving and grooving at different angles in the prior art, the guide rod type grab bucket is generally rotated relative to the sliding frame so as to adjust the grabbing direction of the guide rod type grab bucket. When the guide rod type grab bucket rotates relative to the sliding frame, the end part of the oil pipe connected with the grab bucket oil cylinder synchronously rotates along with the grab bucket oil cylinder and the grab bucket, and because the oil pipe is wound on the pipe coiling device which is arranged on the sliding frame, the grab bucket oil cylinder and the pipe coiling device relatively rotate, so that the oil pipe is twisted, and the oil pipe is easily damaged when serious.

Therefore, how to solve the problem that the oil pipe is twisted when the grabbing direction of the guide rod type grab bucket is adjusted in the prior art is an important technical problem to be solved by the person skilled in the art.

Disclosure of Invention

The utility model provides a guide rotating device, a grab bucket assembly and a piling machine, which are used for solving the defect that an oil pipe is twisted when the grabbing direction of a guide rod type grab bucket is adjusted in the prior art.

The present utility model provides a guiding rotation device, comprising:

the fixed frame body is used for being connected with the mast;

the rotary frame body is used for being connected with the grab bucket and is rotationally connected with the fixed frame body;

the first driving device is arranged to drive the rotary frame body to rotate relative to the fixed frame body;

the pipe coiling device is used for coiling and uncoiling an oil pipe connected with a grab bucket oil cylinder of the grab bucket and is arranged on the rotary frame body.

According to the present utility model, there is provided a guide rotating device, the pipe coiling device comprising:

the reels can rotate relative to the rotary frame body, the rotation axes of the reels relative to the rotary frame body are perpendicular to the rotation axes of the rotary frame body relative to the fixed frame body, two reels are arranged, and the two reels are arranged on two sides of the rotary frame body along a first direction;

and the second driving device is used for driving the reel to rotate relative to the rotary frame body.

According to the present utility model, there is provided a guide rotating device, further comprising:

the oil pipe guide frame is connected with the rotating frame body, the oil pipe guide frame is provided with penetrating holes through which oil pipes can penetrate, and the oil pipe guide frame is provided with two oil pipes which are respectively arranged corresponding to the two reels.

According to the guiding rotating device provided by the utility model, two pairs of rollers are arranged on the inner side of the penetrating hole and are in rotary connection with the oil pipe guide frame, the two pairs of rollers are distributed at intervals, and the two pairs of rollers are enclosed to form a penetrating space for the oil pipe to penetrate.

According to the present utility model, there is provided a guide rotating device, the rotating frame comprising:

the first end of the first frame body is rotationally connected with the fixed frame body;

the first end of the second frame body is detachably connected with the second end of the first frame body, and the pipe coiling device is arranged on the second frame body;

and the first end of the third frame body is detachably connected with the second end of the second frame body, and the oil pipe guide frame is arranged on the third frame body.

According to the guiding rotating device provided by the utility model, the rotating frame body is provided with the mounting hole for the guide rod part of the grab bucket to penetrate, and the fixed frame body is provided with the avoidance space for the guide rod part of the grab bucket to penetrate;

the cross section shape of the guide rod part of the grab bucket is square, and the mounting hole is a square hole which can be matched with the guide rod part of the grab bucket.

According to the guiding and rotating device provided by the utility model, each inner side wall of the mounting hole is provided with the wear-resistant key.

According to the guiding rotating device provided by the utility model, the slewing bearing is arranged between the rotating frame body and the fixed frame body, the inner ring of the slewing bearing is fixedly connected with the fixed frame body, the outer ring of the slewing bearing is fixedly connected with the rotating frame body, and the first driving device is in transmission connection with the outer ring of the slewing bearing through the gear.

The utility model also provides a grab bucket assembly, which comprises a grab bucket and a guide rotating device for driving the grab bucket to rotate, wherein the guide rotating device is the guide rotating device.

The utility model also provides a piling machine, which comprises the guiding rotating device or the grab bucket assembly.

The utility model provides a guiding rotating device which comprises a fixed frame body, a rotating frame body, a first driving device and a pipe coiling device. The fixed frame body is used for being connected with the mast, and the rotatory support body is connected with the fixed frame body rotation, and first drive arrangement is then used for driving rotatory support body relative to the fixed frame body rotation. The grab bucket is connected with the rotary frame body, so that the rotary frame body drives the grab bucket to rotate, and the grabbing direction of the grab bucket is adjusted. The pipe coiling device is used for coiling and uncoiling an oil pipe connected with a grab bucket oil cylinder of the grab bucket. The pipe coiling device is arranged on the rotary frame body and can rotate along with the rotary frame body. So set up, when the snatch direction of adjustment grab bucket, grab bucket and reelpipe device all rotate with rotatory support body is synchronous, grab bucket and reelpipe device are fixed relatively, can effectively avoid the problem that oil pipe was twisted to reduce the problem that oil pipe damaged, solved among the prior art when the snatch direction of adjustment guide arm formula grab bucket oil pipe is twisted.

Further, in the grab bucket assembly provided by the utility model, the guide rotating device is provided, so that various advantages are provided.

Further, the piling machine provided by the utility model has the guide rotating device or the grab bucket assembly, so that the piling machine also has various advantages.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an assembly structure of a guide rotation device and a grab bucket provided by the utility model;

FIG. 2 is a schematic diagram of a connection structure between a pipe coiling device and a second frame body according to the present utility model;

FIG. 3 is a schematic view of the arrangement position of the pipe coiling device on the second frame body;

FIG. 4 is a schematic view of the structure of the oil pipe guide frame provided by the utility model;

FIG. 5 is a schematic view of a connection structure between a fixed frame and a rotary frame according to the present utility model;

fig. 6 is an enlarged view of I in fig. 5.

Reference numerals:

1. a fixing frame body; 2. a first driving device; 3. a pipe coiling device; 4. an oil pipe; 5. a reel; 6. an oil pipe guide frame; 7. a roller; 8. a penetrating space is formed; 9. a first frame body; 10. a second frame body; 11. a third frame; 12. a guide rod portion; 13. a mounting hole; 14. an avoidance space; 15. a wear-resistant key; 16. a slewing bearing; 17. a gear; 18. a drive assembly; 19. a speed reducer; 20. a hydraulic motor; 21. a grab bucket; 22. a gear box; 23. a carriage body; 24. a connecting plate; 25. and a second driving device.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The guide rotating device of the present utility model is described below with reference to fig. 1 to 6.

As shown in fig. 1 to 6, the guiding rotation device provided by the embodiment of the utility model comprises a fixing frame body 1, a rotation frame body, a first driving device 2 and a pipe coiling device 3.

Specifically, the fixing frame body 1 is used for being connected to a mast, and in general, the fixing frame body 1 is slidably connected to the mast through a carriage body 23, a guide rail for guiding the carriage body 23 is provided on the mast, and a sliding direction of the carriage body 23 relative to the mast is parallel to an axial direction of the mast and an axial direction of the guide rail. A pair of oppositely arranged connecting plates 24 are arranged on the fixed frame body 1, one end of each connecting plate 24 is connected with the fixed frame body 1, and the other end of each connecting plate 24 and the fixed frame body 1 are connected with the sliding frame body 23 through pin shafts, and referring to fig. 1.

A driving cylinder such as a hydraulic cylinder is provided between the carriage body 23 and the mast, the axial direction of the driving cylinder is parallel to the axial direction of the guide rail, one end of the driving cylinder is connected to the mast, and the other end is connected to the carriage body 23. The telescopic action of the driving cylinder is controlled, the sliding of the carriage body 23 relative to the mast can be controlled, and the fixed frame body 1 is further slid relative to the mast, so that the whole guiding and rotating device is slid relative to the mast, and the lifting action of the whole guiding and rotating device can be realized in the construction process.

The rotary frame body is rotationally connected with the fixed frame body 1, and the first driving device 2 is used for driving the rotary frame body to rotate relative to the fixed frame body 1. The grab bucket is connected with the rotary frame body, so that the rotary frame body drives the grab bucket to rotate, and the grabbing direction of the grab bucket is adjusted.

The grabbing action of the grab bucket is powered by the grab bucket oil cylinder. The oil inlet and outlet of the grab bucket oil cylinder are connected with an oil pump and an oil tank through oil pipes 4. In the operation process, the length requirements of the oil pipe 4 between the grab bucket oil cylinder and the oil pump and the oil pipe 4 between the grab bucket oil cylinder and the oil tank can be changed along with the lifting of the grab bucket, and the pipe coiling device 3 is used for coiling and uncoiling the oil pipe 4 connected with the grab bucket oil cylinder of the grab bucket.

In this embodiment, the pipe coiling device 3 is disposed on the rotating frame body, so that the pipe coiling device 3 can rotate together with the rotating frame body.

So set up, when the grabbing direction of adjustment grab bucket, grab bucket and reelpipe device 3 all rotate with rotatory support body is synchronous, and grab bucket and reelpipe device 3 are fixed relatively, can effectively avoid oil pipe 4 by torsion's problem to reduce the problem that oil pipe 4 damaged, solved among the prior art when the grabbing direction of adjustment guide arm type grab bucket oil pipe 4 by torsion's problem.

In the present embodiment, the pipe reeling device 3 comprises a reel 5 and a second driving device 25. The reel 5 is rotatable relative to the rotating frame, the axis of rotation of the reel 5 relative to the rotating frame being perpendicular to the axis of rotation of the rotating frame relative to the fixed frame 1. The second driving device 25 is used for driving the reel 5 to rotate relative to the rotary frame.

The second driving device 25 includes a speed reducer 19 and a hydraulic motor 20, and is configured to connect an output shaft of the hydraulic motor 20 to an input shaft of the speed reducer 19 in a transmission manner, and to connect an output shaft of the speed reducer 19 to the reel 5 in a transmission manner.

Referring to fig. 1, the grapple section 21 of the grapple has two symmetrically arranged grapple flaps, and accordingly, two grapple cylinders are provided, with which the two grapple flaps are driven to act, respectively. In this embodiment, two reels 5 and two second driving devices 25 are provided, so that the reels 5 and the second driving devices 25 are in one-to-one correspondence with the grab cylinders.

The two reels 5 are parallel to each other and are disposed on both sides of the rotary frame along a first direction m, which is a direction parallel to the rotation axis of the reels 5, see fig. 3. The two second driving devices 25 are located between the two reels 5 and are disposed at two opposite sides of the rotating frame along the second direction n. As shown in fig. 3, the first direction m is perpendicular to the second direction n, i.e., the second direction n is perpendicular to the rotational axis of the reel 5. By this arrangement, the size of the tube rolling device 3 in the first direction m can be reduced, and the occupied space is small.

In order to reduce the size of the reel means 3 in the second direction n, the axes of rotation of the two reels 5 can be brought as close to or coincident as possible. To accommodate the installation of the hydraulic motor 20 and the speed reducer 19, a gear box 22 may be provided between the output shaft of the speed reducer 19 and the reel 5, the output shaft of the speed reducer 19 may be connected to the input shaft of the gear box 22 in a transmission manner, and the output shaft of the gear box 22 may be connected to the reel 5 in a transmission manner, as shown in fig. 3.

In this embodiment, the guiding rotation device further includes an oil pipe guiding frame 6, the oil pipe guiding frame 6 has a through hole, the oil pipe 4 passes through, and the oil pipe 4 connected to the grab cylinder is wound on the reel 5 after passing through the through hole of the oil pipe guiding frame 6.

In order to fix the oil pipe guide frame 6, the grab cylinder and the reel 5 relatively, the oil pipe guide frame 6 is arranged on the rotary frame body.

The two oil pipe guide frames 6 are arranged, and penetrating holes of the two oil pipe guide frames 6 are respectively positioned below the two reels 5 and respectively limit and guide the oil pipe 4 connected to the two grab cylinders.

In a further embodiment, in order to reduce the abrasion to the oil pipe 4 when the oil pipe 4 is retracted, two pairs of rollers 7 are arranged on the inner side of each penetrating hole, and the rollers 7 are rotatably connected with the oil pipe guide frame 6. Each pair of rollers 7 are distributed at intervals, two pairs of rollers 7 are enclosed to form a penetrating space 8, and the oil supply pipe 4 penetrates.

When the oil pipe 4 is retracted, if the oil pipe 4 is in contact with the roller 7, the roller 7 rotates relative to the oil pipe guide frame 6 under the action of friction force between the oil pipe 4 and the roller 7, sliding friction between the oil pipe 4 and the oil pipe guide frame 6 is converted into rolling friction between the oil pipe 4 and the roller 7, friction force acting on the oil pipe 4 is reduced, abrasion to the oil pipe 4 is reduced, and the service life of the oil pipe 4 is prolonged.

In order to facilitate the assembly connection between the guiding rotation device and the mast and the assembly between the grab bucket and the guiding rotation device, the labor intensity in the assembly process is reduced, and in this embodiment, the rotation frame body is configured to be detachably connected in three parts, and specifically includes a first frame body 9, a second frame body 10 and a third frame body 11.

The first end of the first frame 9 is rotatably connected with the fixed frame 1, the first end of the second frame 10 is detachably connected with the second end of the first frame 9, and the pipe reeling device 3 is arranged on the second frame 10. The first end of the third frame 11 is detachably connected to the second end of the second frame 10, and the oil pipe guide frame 6 is disposed on the third frame 11.

When the guiding rotation device is connected with the mast, the fixing frame body 1 which is rotationally connected with the first frame body 9 is connected with the mast, then the second frame body 10 is connected with the first frame body 9, and then the third frame body 11 is connected with the second frame body 10.

A connecting flange is arranged at the second end of the first frame body 9 and the first end of the second frame body 10, and the second end of the first frame body 9 can be detachably connected with the first end of the second frame body 10 by bolts.

A connecting flange is provided at the second end of the second frame body 10 and the first end of the third frame body 11, and the second end of the second frame body 10 and the first end of the third frame body 11 can be detachably connected by bolts.

A connecting flange is arranged at the middle part of the second frame body 10 and is used for supporting and fixing a second driving device 25 of the pipe coiling device 3.

The grab bucket is a guide-bar grab bucket, and has a guide bar portion 12 and a grab bucket portion 21, and the grab bucket portion 21 is disposed at one end of the guide bar portion 12 for performing a grabbing operation. The rotary frame body is provided with a mounting hole 13 through which the guide rod part 12 can penetrate, the fixed frame body 1 is provided with an avoidance space 14 through which the guide rod part 12 penetrates, the guide rod part 12 can penetrate the guide rotary device, the guide rod part 12 can slide relative to the fixed frame body 1 and the rotary frame body, and the sliding direction is parallel to the sliding direction of the guide rotary device relative to the mast. The guide rod part 12 penetrates through the rotary frame body and the fixed frame body 1 and then is connected with a hoisting steel wire rope of the rotary drilling rig so that the hoisting steel wire rope drives the grab bucket to slide relative to the guide rotary device, and in the construction process, the lifting action of the grab bucket can be realized.

In the present embodiment, the cross-sectional shape of the guide rod portion 12 is set to be square, and accordingly, the mounting hole 13 on the rotary frame body is set to be a square hole that can be fitted to the guide rod portion 12.

When the rotary frame body rotates relative to the fixed frame body 1, torque is transmitted through interaction between the outer side wall of the guide rod part 12 and the side wall of the mounting hole 13 of the rotary frame body, so that the guide rod part 12 can synchronously rotate along with the rotary frame body.

The first frame 9, the second frame 10 and the third frame 11 are all configured in a tubular structure, through which the guide rod portion 12 of the grab bucket passes.

A connection flange may be provided at an inner side of the first end of the first frame body 9, and the mounting hole 13 is formed at the connection flange.

In this embodiment, wear-resistant keys 15 are provided on each inner side wall of the mounting hole 13, and as shown in fig. 6, the wear-resistant keys 15 replace the rotary frame body to contact with the guide rod portion 12 of the grab bucket, so that the wear of the rotary frame body is reduced.

In addition, the abrasion-resistant keys 15 of the inner side walls of the mounting holes 13 are matched, so that the guide rod part 12 of the grab bucket can be guided.

In this embodiment, a slewing bearing 16 is provided between the slewing bearing body and the fixed frame body 1, and the slewing bearing 16 is rotatably connected to the fixed frame body 1.

The slewing bearing 16 has an inner ring and an outer ring which can rotate relative to each other. The inner ring of the slewing bearing 16 is fixedly connected with the fixed frame body 1, and the outer ring of the slewing bearing 16 is fixedly connected with the rotary frame body, so that the rotary frame body is rotationally connected with the fixed frame body 1.

Specifically, a connecting flange may be disposed on the outer side of the end of the fixing frame body 1, a connecting flange may be disposed on the outer side of the first end of the first frame body 9 or on the outer side of the middle of the first frame body 9, the slewing bearing 16 is located between the connecting flange of the first frame body 9 and the connecting flange of the fixing frame body 1, the connecting flange of the fixing frame body 1 and the inner ring of the slewing bearing 16 are fixedly connected together by using bolts, and the connecting flange of the first frame body 9 and the outer ring of the slewing bearing 16 are fixedly connected together by using bolts.

In this embodiment, the first drive device 2 is in driving connection with the outer ring of the slewing bearing 16 via a gear. In particular, gear teeth are provided on the outer lateral wall of the outer ring of the slewing bearing 16, and accordingly the first drive means 2 comprise a gear 17 and a drive assembly 18.

The gear 17 is rotatably connected with the fixed frame body 1, and the gear 17 is meshed with gear teeth of an outer ring of the slewing bearing 16. The output end of the driving component 18 is in transmission connection with the gear 17 and is used for driving the gear 17 to rotate relative to the fixed frame body 1, so as to drive the outer ring of the slewing bearing 16 and the rotating frame body to rotate relative to the fixed frame body 1.

Specifically, the driving assembly 18 includes a driving member and a reducer, an input end of the reducer is in driving connection with an output end of the driving member, and an output end of the reducer is in driving connection with the gear 17. The arrangement of the speed reducer can enable the rotary frame body to slowly rotate, and is beneficial to ensuring the stability of the grab bucket.

The driving member may be a motor or a hydraulic motor 20, so long as the driving member can drive the speed reducer and the gear 17 to operate, and the driving member is not particularly limited herein.

On the other hand, the embodiment of the utility model also provides a grab bucket assembly, which comprises a grab bucket and the guiding rotating device provided by any embodiment, wherein the guiding rotating device is arranged on the mast and used for driving the grab bucket to rotate. The guiding and rotating device in the embodiment can automatically adjust the grabbing direction of the grab bucket, and can effectively avoid torsion of the oil pipe 4 when adjusting the grabbing direction of the grab bucket, so that damage to the oil pipe 4 is reduced. Therefore, the grab bucket assembly in the embodiment can automatically adjust the grabbing direction of the grab bucket, can avoid the problem of torsion damage to the oil pipe 4, and has the advantages of convenient adjustment and long service life. The deduction process of the beneficial effects of the grab bucket assembly in the embodiment of the utility model is substantially similar to the deduction process of the beneficial effects of the guiding rotation device, so that the description thereof is omitted.

In yet another aspect, an embodiment of the present utility model further provides a piling machine, including the guiding rotation device or the grab bucket assembly provided in any one of the above embodiments. All of the advantages of the above-described guide rotation device or grab bucket assembly are not described in detail herein. The development process of the beneficial effects of the piling machine in the embodiment of the present utility model is substantially similar to the development process of the beneficial effects of the guiding rotation device or the grab bucket assembly described above, and therefore, the description thereof will not be repeated here.

Specifically, the piling machine includes a machine body having a mast and a guide rotation device slidably connected to the mast through a carriage body 23. The machine body can be a rotary drilling rig.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A guided rotation device, comprising:

the fixed frame body is used for being connected with the mast;

2. The guide rotation device according to claim 1, wherein the pipe coiling device comprises:

3. The steerable rotation device of claim 2, further comprising:

4. The guiding and rotating device according to claim 3, wherein two pairs of rollers are arranged on the inner side of the penetrating hole, the rollers are rotatably connected with the oil pipe guiding frame, the two pairs of rollers are distributed at intervals, and the two pairs of rollers are enclosed to form a penetrating space for the oil pipe to penetrate through.

5. A steering swivel arrangement according to claim 3, wherein the swivel housing comprises:

6. The guide rotating device according to claim 1, wherein the rotating frame body is provided with a mounting hole through which a guide rod portion of the grab bucket passes, and the fixing frame body is provided with an avoidance space through which the guide rod portion of the grab bucket passes;

7. The guide rotation device according to claim 6, wherein each inner side wall of the mounting hole is provided with a wear key.

8. The guiding rotary device according to claim 1, wherein a slewing bearing is arranged between the rotary frame body and the fixed frame body, an inner ring of the slewing bearing is fixedly connected with the fixed frame body, an outer ring of the slewing bearing is fixedly connected with the rotary frame body, and the first driving device is in transmission connection with the outer ring of the slewing bearing through a gear.

9. A grapple assembly comprising a grapple and a guide rotation means for driving the grapple in rotation, the guide rotation means being as claimed in any one of claims 1 to 8.

10. A piling machine comprising a guide rotation device according to any one of claims 1 to 8, or comprising a grapple assembly according to claim 9.