CN211500530U

CN211500530U - Device for controlling verticality of drill bit of rotary drilling rig

Info

Publication number: CN211500530U
Application number: CN201922453254.XU
Authority: CN
Inventors: 解元; 肖月; 肖书浩; 肖星
Original assignee: Yongming Group Co ltd
Current assignee: Yongming Group Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-15
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a rig drill bit straightness device that hangs down is dug in control, including vertical setting transfer hang down the pipe, erect and dig soon the stake side line and just along transferring hang down at least three group's supports that pipe circumference ring established and erect in order to transfer the location of hanging down the pipe and transfer the mechanism of hanging down in order to transfer the location of hanging down to the support, transfer the axis of hanging down the pipe and the axis coincidence of digging the stake soon, transfer and hang down the coaxial through-hole that wears to establish of drill bit that supplies to dig the rig soon, the location is transferred and is hung down the mechanism and include fixed connection in the first driving piece of support and be located the second driving piece under the first driving piece, first driving piece and second driving piece are transferred to the pipe that hangs down with two point. The utility model discloses have and be convenient for transfer to the drill bit and hang down, improve and transfer the effect of the precision of hanging down.

Description

Device for controlling verticality of drill bit of rotary drilling rig

Technical Field

The utility model belongs to the technical field of the construction technique and specifically relates to a control is dug rig drill bit straightness device that hangs down soon.

Background

The rotary drilling pile is generally a pile type constructed by a rotary drilling rig, is called a rotary drilling bored pile in the whole term of engineering, and is called a rotary drilling pile in the engineering for short. Because of using mechanical operation, the requirement on the number of workers is not high, and great labor cost can be saved. The rotary drilling rig, also called rotary excavator, is a comprehensive drilling rig, can use various bottom layers, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. Short auger bits perform dry excavation operations, and rotary drill bits may also be used to perform wet excavation operations with mud dado. The rotary excavator can be matched with a hammer to drill and dig holes in hard stratum. If the reamer is matched with a reaming head drilling tool, reaming operation can be carried out at the bottom of the hole. The rotary excavating machine adopts a plurality of layers of telescopic drill rods, has less drilling auxiliary time and low labor intensity, does not need slurry to discharge slag circularly, saves cost and is particularly suitable for the basic construction of urban construction.

At present, the Chinese patent with the publication number of CN 208546135U discloses a pile-forming rotary drilling device, which comprises a hoisting device, a spiral drill rod, a drill bit group and a material suction pipe, the hoisting device is movably connected with the conveyer, the auger stem is connected with the hoisting device through a second fixing plate, the lifting device is provided with a sliding chute and is connected with a jack which supports and fixes the lifting device at the top end thereof, the hoisting device supports and fixes a second fixed plate at the top end part of the hoisting device, the auger stem is fixed opposite to the lower end surface of the second fixed plate, the second fixing plate can drive the spiral drill rod to move up and down, the upper end part of the spiral drill rod is connected with a sliding block through a connecting rod, the connecting rod is vertically connected to the sliding block relative to the lifting device and moves up and down along the lifting device together with the sliding block. The above prior art solutions have the following drawbacks: when the device is used for rotary drilling, the drill bit group needs to be adjusted to hang down, and the accuracy of on-site hanging down adjustment is not high.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a reinforcing bar crotch processingequipment, its advantage lies in being convenient for transfer the drill bit and hang down, improves and transfers the precision of hanging down.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a control is dug rig drill bit straightness device that hangs down soon, includes that the accent of vertical setting hangs down the pipe, erects to dig outside the stake side line and along transferring at least three group's supports that the pipe circumference that hangs down encircles establishes and erect in the support in order to transfer the location of hanging down to transfer the mechanism that hangs down, the axis of transferring the pipe that hangs down with dig the axis coincidence of stake soon, transfer the pipe that hangs down and coaxially set up the through-hole that the drill bit that supplies to dig the rig soon worn to establish, the location is transferred and is hung down the mechanism and include fixed connection in the first driving piece of support and be located the second driving piece under the first driving piece, first driving piece and second driving piece are transferred with two point location modes and.

By adopting the technical scheme, the vertical adjustment pipe is arranged to adjust the vertical of the drill bit of the rotary drilling rig, the vertical degree of the drill bit is ensured, the vertical degree of the excavated rotary drilled pile is ensured, the support is arranged to provide an installation base body for the first driving piece and the second driving piece, and the first driving piece above the support adjusts the position of a clamping point above the vertical adjustment pipe so as to position the vertical adjustment pipe; the second driving piece that is located the below cooperates first driving piece to adjust and transfers the position of hanging down the pipe below and holding the point for adjust and hang down the pipe below and hold the point and be in order to adjust hanging down the pipe on a plumb line, improve and transfer the precision of hanging down, perhaps adjust the below earlier and hold the point and then adjust the top and hold the point and do otherwise.

The present invention may be further configured in a preferred embodiment as: the first driving piece and the second driving piece are hydraulic jacks, and piston rods of the jacks are fixedly connected to the peripheral wall of the vertical adjusting pipe.

By adopting the technical scheme, the first driving part and the second driving part both adopt hydraulic jacks, so that the structure is compact, the work is stable, the self-locking function is realized, and the verticality adjustment of the verticality adjusting pipe is facilitated; in addition, in order to reduce the occupied area of a construction site, a jack with a smaller model can be selected.

The present invention may be further configured in a preferred embodiment as: the support includes fixed connection in the stand of mount pad on ground, vertical setting and fixed connection and horizontal setting and fixed connection in the stand be close to the cantilever of transferring the side of pipe that hangs down, is provided with the mounting hole on the mount pad, wears to locate the mounting hole through the bolt and is fixed in ground with the mount pad, the cantilever is provided with two and is upper and lower distribution, the base fixed connection of jack is in the cantilever.

By adopting the technical scheme, the supports are fixedly arranged on the periphery of the verticality adjusting pipe through bolts so that the verticality adjusting pipe can be adjusted by a jack, and the supports can be detached after the verticality adjusting is finished, so that the rotary drilling rig can conveniently perform the next operation; each support is relatively independent and can be conveyed independently to enter a construction site, so that the operation of large machinery is effectively avoided, and the device has strong environmental adaptability.

The present invention may be further configured in a preferred embodiment as: and a connecting beam is detachably connected between every two adjacent upright columns.

Through adopting above-mentioned technical scheme, two adjacent leg joints have the tie-beam, effectively improve the stability and the bearing capacity of support.

The present invention may be further configured in a preferred embodiment as: transfer the pipe that hangs down be equipped with along transferring the pipe that hangs down radial extension and communicate in the blind hole of through-hole, place the blind hole in and along transferring the pipe that hangs down radial slip connect in the mount of blind hole, rotate the rotation wheel of connecting the mount and being close to through-hole one side, fixed connection is in the spring between mount and blind hole inner wall, the blind hole is along transferring the axis direction equipartition that the pipe that hangs down and around transferring the axis equipartition that hangs down around, and the axis direction that rotates the wheel is parallel with the circumference tangential direction that the pipe that hangs down of transferring, and the one end fixed connection of spring is in the blind hole inner wall, and other end fixed connection keeps away from the lateral wall that rotates the wheel.

Through adopting above-mentioned technical scheme, to dig the drill bit of rig soon and wear to locate in the through-hole of transferring the pipe that hangs down, thereby the global butt of drill bit when the circumferencial face in the rotation wheel forces mount compression spring to drive and rotates the wheel and move towards deviating from the drill bit direction, and the drill bit glides downwards simultaneously and drives and rotate the wheel rotation, effectively reduces the drill bit and transfers the frictional force between the pipe inner wall that hangs down.

The present invention may be further configured in a preferred embodiment as: the blind hole inside wall sets up the spout that extends along blind hole central line direction, and the both sides protrusion of mount is provided with the smooth protruding of sliding connection in the spout.

Through adopting above-mentioned technical scheme, the blind hole lateral wall is provided with the spout, and the side protrusion of mount is provided with slides and connects in the smooth protruding of spout, on the one hand, is convenient for the mount to carry out the spout more steadily, and on the other hand effectively reduces the area of contact of mount and blind hole to reduce the frictional force between mount outer wall and the blind hole inner wall.

The present invention may be further configured in a preferred embodiment as: the rotating wheel is a rubber wheel.

By adopting the technical scheme, the noise generated by the rotary contact between the drilling machine of the rotary drilling rig and the rotating wheel is effectively reduced.

The present invention may be further configured in a preferred embodiment as: and a displacement sensor for detecting the sliding distance of the fixing frame is arranged in the blind hole.

Through adopting above-mentioned technical scheme, be provided with displacement sensor, conveniently detect the contrast to the displacement distance of each mount to adjust and hang down to the drill bit of digging the rig soon, make the central axis of drill bit and the central axis coincidence of adjusting the pipe that hangs down, guarantee drilling precision and drilling quality.

To sum up, the utility model discloses a following at least one useful technological effect:

the vertical adjustment pipe is arranged to adjust the vertical of a drill bit of the rotary drilling rig, the verticality of the drill bit is guaranteed, the verticality of an excavated rotary drilled pile is guaranteed, the support is arranged to provide an installation base body for the first driving piece and the second driving piece, and the first driving piece above the support adjusts the position of a clamping point above the vertical adjustment pipe so as to position the vertical adjustment pipe; the second driving piece positioned below is matched with the first driving piece to adjust the position of the lower holding point of the verticality adjusting pipe, so that the upper holding point and the lower holding point of the verticality adjusting pipe are positioned on a vertical line to adjust the verticality of the verticality adjusting pipe, and the verticality adjusting precision is improved, or conversely, the lower holding point is adjusted first and then the upper holding point is adjusted;

a drill bit of the rotary drilling rig penetrates through a through hole of the verticality adjusting pipe, when the peripheral surface of the drill bit is abutted against the peripheral surface of the rotating wheel, the fixing frame is forced to compress the spring so as to drive the rotating wheel to slide towards the direction departing from the drill bit, and meanwhile, the drill bit slides downwards to drive the rotating wheel to rotate, so that the friction force between the drill bit and the inner wall of the verticality adjusting pipe is effectively reduced;

the displacement sensors are arranged, so that the displacement distances of the fixing frames can be conveniently detected and compared, the drill bit of the rotary drilling rig is adjusted to hang, the central axis of the drill bit is coincided with the central axis of the hanging pipe, and the drilling precision and the drilling quality are guaranteed.

Drawings

FIG. 1 is a schematic structural diagram of a device for controlling the perpendicularity of a drill bit of a rotary drilling rig in an embodiment;

FIG. 2 is a schematic view showing the internal structure of the pipe for adjusting the vertical displacement in the embodiment;

fig. 3 is a partially enlarged schematic view of fig. 2 at a.

In the figure, 1, a dip tube; 11. a through hole; 12. blind holes; 121. a chute; 13. a fixed mount; 131. sliding and protruding; 14. a rotating wheel; 15. a spring; 16. a displacement sensor; 2. a support; 21. a mounting seat; 211. mounting holes; 22. a column; 23. a cantilever; 24. a connecting beam; 3. positioning a verticality adjusting mechanism; 31. a first driving member; 32. a second driving member; 4. a drill bit.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, for the utility model discloses a rig drill bit straightness device that hangs down is dug in control, including the vertical setting transfer hang down pipe 1, erect and dig soon the stake limit line outer and along transfer hang down four group's supports 2 that 1 circumference of pipe ring established and erect in support 2 in order to transfer to hang down pipe 1 and fix a position the mechanism 3 that hangs down that transfers to hang down, transfer the axis of hanging down pipe 1 and the axis coincidence of digging soon the stake.

As shown in fig. 1 and 2, the support 2 includes a mounting base 21 fixedly connected to the ground, a vertical column 22 vertically disposed and fixedly connected to the mounting base 21, and a cantilever 23 horizontally disposed and fixedly connected to a side of the vertical column 22 close to the droop-adjusting pipe 1. Be provided with mounting hole 211 on the mount pad 21, wear to locate the mounting hole 211 through the bolt and be fixed in the ground with mount pad 21, cantilever 23 is provided with two and is upper and lower distribution. Each support 2 is relatively independent and can be conveyed independently to enter a construction site, so that the operation of large machinery is effectively avoided, and the device has strong environmental adaptability. In order to improve the stability of the support 2, a connecting beam 24 is connected between two adjacent upright columns 22, and two ends of the connecting beam 24 are fixedly connected between the two upright columns 22 through bolts.

The positioning and verticality adjusting mechanism 3 comprises a first driving piece 31 fixedly connected to the bracket 2 and a second driving piece 32 positioned right below the first driving piece 31. The first driving piece 31 and the second driving piece 32 position and adjust the plumbing pipe 1 in a two-point positioning mode, the first driving piece 31 and the second driving piece 32 are hydraulic jacks, piston rods of the jacks are fixedly connected to the peripheral wall of the plumbing pipe 1, and bases of the jacks are fixedly connected to the end portions, close to the plumbing pipe 1, of the cantilevers 23.

As shown in fig. 2 and 3, the vertical adjustment pipe 1 is coaxially provided with a through hole 11 through which the drill bit 4 of the rotary drilling rig penetrates, the vertical adjustment pipe 1 is provided with a blind hole 12 which extends along the radial direction of the vertical adjustment pipe 1 and is communicated with the through hole 11, a fixing frame 13 which is arranged in the blind hole 12 and is connected to the blind hole 12 in a sliding manner along the radial direction of the vertical adjustment pipe 1, a rotating wheel 14 which is rotatably connected with one side of the fixing frame 13 close to the through hole 11, and a spring 15 which is fixedly connected between the fixing frame 13 and the inner. Blind hole 12 along transfer the axis direction equipartition of pipe 1 that hangs down and around transfer the axis equipartition of pipe 1 that hangs down around, blind hole 12 inside wall sets up the spout 121 that extends along blind hole 12 central line direction, and the interval between two adjacent blind holes 12 about is less than the height of drill bit 4, and the both sides protrusion of mount 13 is provided with the smooth protruding 131 of sliding connection in spout 121. The rotating wheel 14 is a rubber wheel, the axial direction of the rotating wheel 14 is parallel to the circumferential tangential direction of the vertical adjustment pipe 1, one end of the spring 15 is fixedly connected to the inner wall of the blind hole 12, and the other end of the spring is fixedly connected to the side wall of the fixed frame 13 far away from the rotating wheel 14. And a displacement sensor 16 for detecting the sliding distance of the fixing frame 13 is arranged in the blind hole 12.

The implementation process of the embodiment is as follows: firstly, positioning and adjusting verticality of the verticality adjusting pipe 1: the first driving piece 31 positioned above adjusts the position of a holding point above the vertical adjusting pipe 1 so as to position the vertical adjusting pipe 1; the second driving part 32 positioned below is matched with the first driving part 31 to adjust the position of the lower holding point of the verticality adjusting pipe 1, so that the upper and lower holding points of the verticality adjusting pipe 1 are positioned on a vertical line to adjust the verticality of the verticality adjusting pipe 1, the central axis of the verticality adjusting pipe 1 is coincided with the central axis of the rotary excavating pile, the verticality adjusting precision is improved, or otherwise, the lower holding point is adjusted first and then the upper holding point is adjusted; then the drill bit 4 of the rotary drilling rig penetrates through the through hole 11 of the vertical adjustment pipe 1, the peripheral surface of the drill bit 4 abuts against the peripheral surface of the rotating wheel 14, the fixing frame 13 is forced to compress the spring 15 so as to drive the rotating wheel 14 to slide towards the direction deviating from the drill bit 4, meanwhile, the drill bit 4 slides downwards to drive the rotating wheel 14 to rotate, the friction force between the drill bit 4 and the inner wall of the vertical adjustment pipe 1 is effectively reduced, a displacement sensor 16 is arranged, the displacement distance of each fixing frame 13 is convenient to detect and compare, the drill bit 4 of the rotary drilling rig is adjusted to be vertical, the central axis of the drill bit 4 coincides with the central axis of the vertical adjustment pipe 1, and the drilling precision and the drilling.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a control rotary drilling rig drill bit straightness device that hangs down which characterized in that: the pipe that hangs down (1), set up including vertical setting hang down the pipe outside digging the pile sideline soon and along adjusting at least three group's support (2) that pipe (1) circumference ring was established and erect in support (2) in order to adjust the location of hanging down pipe (1) and adjust mechanism (3) that hangs down, adjust the axis of hanging down pipe (1) and the axis coincidence of digging the stake soon, adjust and hang down pipe (1) coaxial seting up and supply to dig through-hole (11) that drill bit (4) of rig were worn to establish soon, the location is adjusted and is hung down mechanism (3) and is included first driving piece (31) of fixed connection in support (2) and second driving piece (32) that are located under first driving piece (31), first driving piece (31) and second driving piece (32) are fixed a position and are adjusted to hanging down pipe (1) with two point location modes.

2. The device for controlling the perpendicularity of the drill bit of the rotary drilling rig according to claim 1, characterized in that: the first driving piece (31) and the second driving piece (32) are hydraulic jacks, and piston rods of the jacks are fixedly connected to the peripheral wall of the vertical adjusting pipe (1).

3. The device for controlling the perpendicularity of the drill bit of the rotary drilling rig according to claim 2, characterized in that: support (2) including fixed connection in mount pad (21) on ground, vertical setting and fixed connection in stand (22) of mount pad (21) and horizontal setting and fixed connection in stand (22) be close to transfer cantilever (23) of hanging down the side of pipe (1), be provided with mounting hole (211) on mount pad (21), wear to locate mounting hole (211) through the bolt and be fixed in ground with mount pad (21), cantilever (23) are provided with two and are upper and lower distribution, the base fixed connection of jack in cantilever (23).

4. The device for controlling the perpendicularity of the drill bit of the rotary drilling rig according to claim 3, characterized in that: a connecting beam (24) is detachably connected between every two adjacent upright columns (22).

5. The device for controlling the perpendicularity of the drill bit of the rotary drilling rig according to claim 1 or 4, wherein the device comprises: the vertical adjustment pipe (1) is provided with a blind hole (12) which extends along the radial direction of the vertical adjustment pipe (1) and is communicated with the through hole (11), a fixed frame (13) which is arranged in the blind hole (12) and is connected with the blind hole (12) in a sliding way along the radial direction of the vertical adjustment pipe (1), a rotating wheel (14) which is rotatably connected with one side of the fixed frame (13) close to the through hole (11), and a spring (15) which is fixedly connected between the fixed frame (13) and the inner wall of the blind hole (12), blind hole (12) are along the axis direction equipartition of transferring pipe (1) that hangs down and around transferring the axis equipartition of pipe (1) that hangs down all around, rotate the axis direction of wheel (14) and transfer the circumference tangential direction of pipe (1) that hangs down parallel, the one end fixed connection of spring (15) is in blind hole (12) inner wall, and the lateral wall of rotating wheel (14) is kept away from in mount (13) to the other end fixed connection, and the interval between two upper and lower adjacent blind holes (12) is less than the height of drill bit (4).

6. The device for controlling the perpendicularity of the drill bit of the rotary drilling rig according to claim 5, characterized in that: the inner side wall of the blind hole (12) is provided with a sliding groove (121) extending along the central line direction of the blind hole (12), and sliding protrusions (131) connected to the sliding groove (121) in a sliding manner are arranged on the two sides of the fixing frame (13) in a protruding manner.

7. The device for controlling the perpendicularity of the drill bit of the rotary drilling rig according to claim 6, characterized in that: the rotating wheel (14) is a rubber wheel.

8. The device for controlling the perpendicularity of the drill bit of the rotary drilling rig according to claim 7, characterized in that: and a displacement sensor (16) for detecting the sliding distance of the fixing frame (13) is arranged in the blind hole (12).