CN215520750U

CN215520750U - Drilling mechanism for rotary drilling rig

Info

Publication number: CN215520750U
Application number: CN202121481002.9U
Authority: CN
Inventors: 吴晓明; 沈莉君; 孙美丽; 姚晨; 卢晓云; 陆齐俊
Original assignee: Wuxi Henglifu Building Development Co ltd
Current assignee: Wuxi Henglifu Building Development Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-14
Anticipated expiration: 2031-06-30

Abstract

The application relates to the field of construction structures of rotary drilling cast-in-place piles, in particular to a drilling mechanism for a rotary drilling rig. It includes drilling rod, boring grab, mounting panel, and the drilling rod is vertical setting, and the boring grab is the tubbiness, and the boring grab is connected in the bottom of drilling rod, and the mounting panel is used for with dig rig fixed connection soon, and the drilling rod passes the mounting panel, and the downside of mounting panel is provided with clean cover, clean cover and the coaxial setting of boring grab, are connected with the lifting unit who is used for driving clean cover lift on the mounting panel, and the inner wall of clean cover can slide with the outer wall laminating of boring grab. The rotary drilling rig has the advantages that the outer wall of the drilling bucket is convenient to clean, and therefore the drilling precision of the rotary drilling rig is improved.

Description

Drilling mechanism for rotary drilling rig

Technical Field

The application relates to the field of construction structures of rotary drilling cast-in-place piles, in particular to a drilling mechanism for a rotary drilling rig.

Background

The rotary drilling rig is a construction machine suitable for hole forming operation in building foundation engineering. The method is mainly suitable for the construction of soil layers such as sandy soil, cohesive soil, silty soil and the like, and is widely applied to the construction of various foundation foundations such as cast-in-place piles, continuous walls, foundation reinforcement and the like. The drilling machine is a comprehensive drilling machine, can use various bottom layers, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like.

The rotary drilling rig comprises a drilling bucket, a drilling rod, a drilling bucket, a rotary shaft and a rotary shaft.

With respect to the related art in the above, the inventors consider that: when earth stickness is great, the drilling bucket is through the drilling back, and earth can be attached to on the outer wall of drilling bucket, if not in time clear up can influence the precision of drilling next time.

SUMMERY OF THE UTILITY MODEL

In order to facilitate cleaning of the outer wall of the drilling bucket, drilling accuracy of the rotary drilling rig is improved, and the application provides a drilling mechanism for the rotary drilling rig.

The application provides a dig drilling mechanism for rig soon adopts following technical scheme:

the utility model provides a dig drilling mechanism for rig soon, includes drilling rod, bores fill, mounting panel, and the drilling rod is vertical setting, and the drilling fill is the tubbiness, and the drilling fill is connected in the bottom of drilling rod, and the mounting panel is used for with dig rig fixed connection soon, and the drilling rod passes the mounting panel, and the downside of mounting panel is provided with clean cover, clean cover and the coaxial setting of drilling fill, is connected with the lifting unit who is used for driving clean cover to go up and down on the mounting panel, and the inner wall of clean cover can slide with the outer wall laminating of drilling fill.

Through adopting above-mentioned technical scheme, go up and down through the clean cover of lifting unit drive, the outer wall of the inner wall laminating drill bucket of clean cover strikes off earth, has reached the effect of the outer wall of the clean drill bucket of being convenient for.

Optionally, lifting unit includes lifting screw, and lifting screw is vertical setting, and lifting screw's top is rotated and is connected in the mounting panel, and clean sheatheeing in and is opened there is the hole of stepping down, and lifting screw passes the hole of stepping down, and threaded connection has the elevator on the lifting screw, and elevator fixed connection is in clean cover, is connected with the telescopic link group between mounting panel and the clean cover, and clean cover is connected along vertical sliding through telescopic link group and mounting panel.

Through adopting above-mentioned technical scheme, when the clean cover of needs drive goes up and down, drive lifting screw rotates, and lifting screw drives the elevator and goes up and down, and the elevator drives the mounting panel and goes up and down, and the telescopic link group plays the effect of direction to the lift of clean cover.

Optionally, the telescopic link group includes sliding shaft, slip cap, and sliding shaft and slip cap all are vertical setting, sliding shaft fixed connection in mounting panel, slip cap fixed connection in clean cover, and the sliding shaft is worn to establish in the slip cap.

Through adopting above-mentioned technical scheme, sliding shaft and sliding sleeve sliding fit have played the effect of direction to clean cover to stability when having improved clean cover and having gone up and down.

Optionally, the sliding sleeve is vertically provided with a lifting hole, the sliding shaft is connected with a sliding rod, and the sliding rod penetrates through the lifting hole.

Through adopting above-mentioned technical scheme, the slide bar is worn to establish in the lift downthehole to carry on spacingly to the lift distance of sliding sleeve, reduced the possibility that the sliding sleeve breaks away from the sliding shaft.

Optionally, the sliding rod is in threaded connection with the sliding shaft.

Through adopting above-mentioned technical scheme, be convenient for carry out the dismouting to the slide bar.

Optionally, a worm wheel is fixedly sleeved on the lifting screw, a worm is rotatably connected to the mounting plate, and the worm is meshed with the worm wheel.

Through adopting above-mentioned technical scheme, when needs drive lifting screw rotates, at first the drive worm rotates, and the worm drives the worm wheel and rotates, and the worm wheel drives the screw rod and rotates, and worm wheel and worm mutually support, have the effect of speed reduction increase turn round.

Optionally, the mounting plate is connected with a motor, and an output shaft of the motor is coaxially fixed with the worm.

Through adopting above-mentioned technical scheme, motor drive worm rotates, has saved the manpower.

Optionally, a protective cover is connected to the mounting plate, and the worm wheel and the worm are both located in the protective cover.

Through adopting above-mentioned technical scheme, the protection casing plays the effect of protection to worm wheel and worm, has reduced the possibility that the dust falls on worm wheel, worm.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the mutual matching of the lifting component and the cleaning sleeve, the effect of conveniently cleaning the soil on the outer wall of the drilling bucket is achieved;

2. the lifting assembly comprises a lifting screw rod, and the effect of driving the cleaning sleeve to lift is achieved through the mutual matching of the lifting screw rod, the lifting block and the telescopic rod group;

3. the telescopic rod group comprises a sliding shaft and a sliding sleeve, the sliding shaft is in sliding fit with the sliding sleeve, the cleaning sleeve is guided, and the stability of the cleaning sleeve during lifting is improved.

Drawings

Fig. 1 is a schematic structural view of a drilling mechanism for a rotary drilling rig according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of the lifting screw, the worm wheel and the worm according to the embodiment of the present application.

Description of reference numerals:

1. a drill stem; 2. drilling a bucket; 3. mounting a plate; 31. a sliding hole; 32. positioning a plate; 4. cleaning the sleeve; 41. a hole of abdication; 5. a telescopic rod group; 51. a sliding shaft; 52. a sliding sleeve; 53. a lifting hole; 54. a slide bar; 6. a lifting assembly; 61. a lifting screw; 62. a lifting block; 63. a worm gear; 64. a worm; 65. a motor; 7. a protective cover; 71. avoiding the hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a drilling mechanism for a rotary drilling rig.

Referring to fig. 1, the drilling mechanism for the rotary drilling rig comprises a drill rod 1, a drilling bucket 2 and a mounting plate 3, wherein the drill rod 1 is vertically arranged, and the drilling rig can drive the drill rod 1 to rotate and lift. The drilling bucket 2 is barrel-shaped, and the drilling bucket 2 is fixedly connected to the bottom end of the drill rod 1.

Referring to fig. 1, the mounting plate 3 is used for being fixedly connected with a rotary drilling rig, a sliding hole 31 is formed in the center of the mounting plate 3, and the drill rod 1 penetrates through the sliding hole 31. Mounting panel 3 is located the top of drilling bucket 2, and the below of mounting panel 3 is provided with clean cover 4, and clean cover 4 sets up with drilling bucket 2 is coaxial, is connected with telescopic link group 5 between clean cover 4 and the mounting panel 3, and clean cover 4 is connected along vertical sliding through telescopic link group 5 and mounting panel 3.

Referring to fig. 1, a lifting assembly 6 for driving the cleaning sleeve 4 to lift is arranged on the mounting plate 3. The inner wall of the cleaning sleeve 4 is attached to and slides with the outer wall of the drilling bucket 2 in the lifting process of the cleaning sleeve 4, so that soil on the outer wall of the drilling bucket 2 is scraped, and the effect of facilitating cleaning of the outer wall of the drilling bucket 2 is achieved.

Referring to fig. 1, the telescopic rod group 5 includes a sliding shaft 51 and a sliding sleeve 52, the sliding shaft 51 is fixedly connected to the bottom wall of the mounting plate 3, the axis of the sliding shaft 51 is vertically arranged, the sliding sleeve 52 is sleeved on the outer side of the sliding shaft 51, and the bottom end of the sliding sleeve 52 is fixedly connected to the upper surface of the cleaning sleeve 4. The sliding shaft 51 is in sliding fit with the sliding sleeve 52, so that the stability of the cleaning sleeve 4 during lifting is improved.

Referring to fig. 1, a lifting hole 53 is vertically formed on the circumferential wall of the sliding sleeve 52, a sliding rod 54 is detachably connected to the sliding shaft 51, the sliding rod 54 is horizontally arranged, and the sliding rod 54 is inserted into the lifting hole 53. One end of the slide rod 54 is screwed with the slide shaft 51, so that the slide rod 54 can be easily detached or installed. The sliding rod 54 is in sliding fit with the lifting hole 53 to limit the lifting distance of the sliding sleeve 52, so that the possibility that the sliding sleeve 52 is separated from the sliding shaft 51 is reduced.

Referring to fig. 1, the two groups of telescopic rod groups 5 are symmetrically arranged about the axis of the cleaning sleeve 4, so that the stability of the lifting of the cleaning sleeve 4 is further improved.

Referring to fig. 1, the lifting assembly 6 includes a lifting screw 61, the lifting screw 61 is vertically disposed, and the top end of the lifting screw 61 passes through the mounting plate 3 and is rotatably connected with the mounting plate 3. The lifting screw 61 is connected with a lifting block 62 through threads, and the lifting block 62 is fixedly connected with the cleaning sleeve 4. The cleaning sleeve 4 is vertically provided with a yielding hole 41, the lifting screw 61 penetrates through the yielding hole 41, and a space is reserved between the lifting screw 61 and the inner wall of the yielding hole 41.

When the cleaning sleeve 4 needs to be driven to ascend and descend, the lifting screw 61 is driven to rotate, the lifting screw 61 drives the lifting block 62 to ascend and descend, and the lifting block 62 drives the cleaning sleeve 4 to ascend and descend.

Referring to fig. 1, in order to improve the stability of the cleaning sleeve 4 when being lifted, two sets of lifting assemblies 6 are symmetrically arranged about the axis of the cleaning sleeve 4.

Referring to fig. 2, a worm wheel 63 is fixedly sleeved on the top end of the lifting screw 61, a worm 64 is engaged on the worm wheel 63, and the two worms 64 are coaxially fixed. Two positioning plates 32 are fixedly connected to the mounting plate 3, the two positioning plates 32 correspond to the two worms 64 one by one, and the worms 64 are rotatably connected to the positioning plates 32. A motor 65 is fixed on the mounting plate 3, and an output shaft of the motor 65 is coaxially fixed with one of the worms 64.

When the lifting screw 61 needs to be driven to rotate, one of the worms 64 is driven to rotate by the motor 65, so that the two worms 64 rotate synchronously, the worm 64 drives the worm wheel 63 to rotate, and the worm wheel 63 drives the lifting screw 61 to rotate, so that the two lifting screws 61 rotate synchronously. The worm wheel 63 and the worm 64 are matched with each other, so that the effects of speed reduction and torque increase are achieved, and the stability of the lifting screw 61 in rotation is improved.

Referring to fig. 1 and 2, in order to reduce the possibility of dust falling on the worm wheel 63, the worm 64 and the motor 65, the protection cover 7 is fixedly connected to the installation plate, and the worm wheel 63, the worm 64 and the motor 65 are all positioned in the protection cover 7. An avoiding hole 71 is vertically formed in the protective cover 7, and the drill rod 1 penetrates through the avoiding hole 71.

The implementation principle of the drilling mechanism for the rotary drilling rig in the embodiment of the application is as follows: one of the worms 64 is driven to rotate by the motor 65, so that the two worms 64 rotate synchronously, the worm 64 drives the worm wheel 63 to rotate, and the worm wheel 63 drives the lifting screw 61 to rotate, so that the two lifting screws 61 rotate synchronously. The lifting screw 61 drives the lifting block 62 to lift, and the lifting block 62 drives the cleaning sleeve 4 to lift. The inner wall of the cleaning sleeve 4 is attached to and slides with the outer wall of the drilling bucket 2 in the lifting process of the cleaning sleeve 4, so that soil on the outer wall of the drilling bucket 2 is scraped, and the effect of facilitating cleaning of the outer wall of the drilling bucket 2 is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a dig drilling mechanism for rig soon which characterized in that: including drilling rod (1), bore fill (2), mounting panel (3), drilling rod (1) is vertical setting, it is the tubbiness to bore fill (2), it connects in the bottom of drilling rod (1) to bore fill (2), mounting panel (3) are used for with dig rig fixed connection soon, mounting panel (3) are passed in drilling rod (1), the downside of mounting panel (3) is provided with clean cover (4), clean cover (4) and bore fill (2) coaxial setting, be connected with lifting unit (6) that are used for driving clean cover (4) to go up and down on mounting panel (3), the inner wall of clean cover (4) can slide with the outer wall laminating of boring fill (2).

2. The drilling mechanism for the rotary drilling rig according to claim 1, wherein: lifting unit (6) are vertical setting including lifting screw (61), the top of lifting screw (61) is rotated and is connected in mounting panel (3), it has hole of stepping down (41) to open on clean cover (4), lifting screw (61) pass hole of stepping down (41), threaded connection has elevator (62) on lifting screw (61), elevator (62) fixed connection is in clean cover (4), be connected with telescopic link group (5) between mounting panel (3) and clean cover (4), clean cover (4) are connected along vertical sliding through telescopic link group (5) and mounting panel (3).

3. The drilling mechanism for the rotary drilling rig according to claim 2, wherein: the telescopic rod group (5) comprises a sliding shaft (51) and a sliding sleeve (52), the sliding shaft (51) and the sliding sleeve (52) are vertically arranged, the sliding shaft (51) is fixedly connected to the mounting plate (3), the sliding sleeve (52) is fixedly connected to the cleaning sleeve (4), and the sliding shaft (51) penetrates through the sliding sleeve (52).

4. The drilling mechanism for the rotary drilling rig according to claim 3, wherein: the sliding sleeve (52) is vertically provided with a lifting hole (53), the sliding shaft (51) is connected with a sliding rod (54), and the sliding rod (54) penetrates through the lifting hole (53).

5. The drilling mechanism for the rotary drilling rig according to claim 4, wherein: the slide rod (54) is connected with the slide shaft (51) through screw threads.

6. The drilling mechanism for the rotary drilling rig according to claim 2, wherein: a worm wheel (63) is fixedly sleeved on the lifting screw (61), a worm (64) is rotatably connected to the mounting plate (3), and the worm (64) is meshed with the worm wheel (63).

7. The drilling mechanism for the rotary drilling rig according to claim 6, wherein: the mounting plate (3) is connected with a motor (65), and an output shaft of the motor (65) is coaxially fixed with the worm (64).

8. The drilling mechanism for the rotary drilling rig according to claim 6, wherein: the mounting plate (3) is connected with a protective cover (7), and the worm wheel (63) and the worm (64) are both positioned in the protective cover (7).