CN219119230U

CN219119230U - Depth measuring device of rotary drilling rig

Info

Publication number: CN219119230U
Application number: CN202320004604.8U
Authority: CN
Inventors: 严如金; 宋振虎; 张心慧
Original assignee: Yang Yingliu
Current assignee: Zhejiang Jiuchen Construction Engineering Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-06-02
Anticipated expiration: 2033-01-03

Abstract

The utility model discloses a sounding device of a rotary drilling rig, which belongs to the technical field of drilling rig sounding and comprises two opposite-shooting sensing units, wherein one opposite-shooting sensing unit is connected with a probe bracket, the other opposite-shooting sensing unit is connected with a winch main body, a cable tray is arranged in the winch main body, a flange part at one end of the cable tray is provided with grating holes distributed in an annular array, the external structure of the winch main body is a supporting table, the probe bracket is fixed on the supporting table adjacent to the grating holes.

Description

Depth measuring device of rotary drilling rig

Technical Field

The utility model belongs to the technical field of drilling machine sounding, and particularly relates to a sounding device of a rotary drilling machine.

Background

The rotary drilling rig is a construction machine suitable for pore-forming operation in building foundation engineering, is mainly suitable for soil layer construction such as sandy soil, cohesive soil, silty soil and the like, is widely applied to foundation construction of various foundations such as cast-in-place piles, continuous walls, foundation reinforcement and the like, and generally adopts a hydraulic crawler type telescopic chassis, a self-lifting foldable drilling mast, a telescopic drill rod, vertical automatic detection and adjustment, hole depth digital display and the like.

The working condition of the rotary drilling rig is complex, external sundries may appear in the grating hole of the grating encoder at the side surface of the winch in the working process, because most of grating plates of the grating encoder adopted by the existing winch are external, the characteristics can be simpler to remove faults and have higher reliability, and the problem is that the external sundries can be clamped into the grating hole of the grating plate, and the measuring error of the encoder is increased when the condition occurs, so that the problem of the reduction of the sounding precision of the rotary drilling rig is caused.

Disclosure of Invention

The utility model aims to provide a depth measuring device of a rotary drilling rig, which is characterized in that an air pump is connected with an air inlet pipe through a pipeline, the existence of grating holes is sensed by the opposite light rays of two opposite sensors, and air is blown to the grating holes from the gaps between the air guide pipe and the opposite sensors to blow away impurities in the grating holes, so that the technical problem that the measuring precision is reduced due to the fact that impurities are easy to enter a winch grating encoder of the conventional rotary drilling rig is solved, and the conventional grating encoder is not required to be frequently maintained.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the depth measuring device of the rotary drilling rig comprises two correlation sensing units, wherein one correlation sensing unit is connected with a probe bracket, the other correlation sensing unit is connected with a winch main body, a cable tray is arranged in the winch main body, a ring-shaped array distributed grating holes are formed in a flange part at one end of the cable tray, the outer structure of the winch main body is a supporting table, and the probe bracket is fixed on the supporting table adjacent to the grating holes; the probe support comprises a vertical sheet and a horizontal sheet which are connected through horizontal screws, the vertical sheet is fixed with the supporting table through the vertical screws, the correlation sensing unit comprises a correlation sensor and an outer cover pipe arranged outside the correlation sensor, an air duct is arranged at the end part of the outer cover pipe, and a tightening ring which is propped against the outer cover pipe is arranged outside the air duct.

Preferably, a driving motor is arranged on the side face of the winch main body, a protective shell is arranged at the joint of the winch main body and the driving motor, and a channel for accommodating the correlation sensing unit is arranged in the supporting table.

Preferably, the support is internally provided with a threaded hole, two ends of the flaky parts at two ends of the vertical piece are provided with vertical grooves, one end of the strip-shaped structure in the middle of the vertical piece is provided with an upper through hole, the vertical screw is positioned in the vertical groove, and the vertical screw is screwed into the threaded hole in the support.

Preferably, one end of the horizontal piece is provided with a hoop, the other end of the horizontal piece is provided with a lower threaded hole, a horizontal screw penetrates through the upper through hole to enter the lower threaded hole, and the correlation sensing unit connected with the probe bracket is fixed in the hoop.

Preferably, one end of the correlation sensor is provided with an end table and an embedded shaft, the transition part of the end table and the embedded shaft is a table thread, one end of the correlation sensor, which is back to the end table, is provided with a glass head, and a probe of the correlation sensor is positioned in the glass head;

the space in the middle of the outer cover pipe is a middle cavity, an air inlet pipe is arranged on the outer circle of the outer cover pipe at the end part of the middle cavity, a pipe thread cavity and a pipe shaft cavity are formed in one end of the outer cover pipe adjacent to the air inlet pipe, and a bottom cavity and a cavity wall thread are formed in the other end of the outer cover pipe.

Preferably, the middle part of the outer circle of the tightening ring is provided with a pipe external thread, one end of the air duct, which is opposite to the outer cover pipe, is provided with an air guide cone, the pipe external thread is in threaded connection with the tightening ring, and one end of the air duct, which is far away from the air guide cone, is positioned in the bottom cavity.

Preferably, the table threads engage the lumen of the tube threads and the embedded shaft is located within the lumen of the tube.

Preferably, the inner diameters of the middle cavity and the tightening ring are the same, and the inner diameters of the threaded pipe cavity and the tightening ring are both larger than the outer diameter of the correlation sensor.

The utility model has the technical effects and advantages that:

1. the utility model has reasonable structure, the air pump and the pipeline are connected with the air inlet pipe, the light beam opposite part of the two opposite emission sensors senses the existence of the grating holes, and the air is blown to the grating holes from the gap between the air guide pipe and the opposite emission sensors to blow away sundries in the grating holes, thereby solving the technical problem that the grating encoder of the winch of the existing rotary drilling rig is easy to reduce the measurement precision due to the entering of sundries, and the winch is not required to be frequently maintained and maintained like the conventional grating encoder.

2. According to the utility model, the relative height of the two correlation sensing units can be adjusted by loosening the vertical screws, and the axial line parallelism of the two correlation sensing units can be adjusted by loosening the horizontal screws, so that the assembly and debugging between the two correlation sensing units can be realized relatively simply.

3. In the utility model, the main measuring component in the correlation sensor unit is the correlation sensor, and the correlation sensor is connected with the outer cover tube in a mode of matching the table thread and the embedded shaft with the tube thread cavity and the tube shaft cavity, so that the connection scheme has higher consistency, and the correlation sensor can be directly removed from the outer cover tube and replaced after the correlation sensor fails, thereby being beneficial to reducing the maintenance difficulty of equipment.

Drawings

FIG. 1 is a schematic diagram of a combined state structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a probe holder in a disassembled state according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a cross-sectional structure of a cross-correlation sensor unit according to an embodiment of the present utility model;

FIG. 4 is a schematic view showing the sectional state of the outer cover tube, the fastening ring and the air duct according to the embodiment of the present utility model;

fig. 5 is a schematic diagram of an external structure of a correlation sensing unit according to an embodiment of the utility model.

In the figure: 1. a hoist main body; 101. a cable tray; 102. a grating hole; 103. a support; 2. a driving motor; 1000. a probe holder; 4. a vertical screw; 5. a vertical plate; 501. a vertical groove; 502. an upper through hole; 6. a horizontal sheet; 601. a hoop; 602. a lower threaded hole; 7. a horizontal screw; 2000. a correlation sensing unit; 8. a correlation sensor; 801. an end table; 802. a table thread; 803. embedding a shaft; 804. a glass head; 9. an outer cover tube; 901. a threaded lumen; 902. a tube shaft cavity; 903. an air inlet pipe; 904. a middle cavity; 905. a bottom cavity; 906. cavity wall threads; 10. and tightening the ring; 11. an air duct; 1101. a tube external thread; 1102. and an air guide cone.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a depth measuring device of a rotary drilling rig includes two correlation sensing units 2000, wherein one correlation sensing unit 2000 is connected with a probe bracket 1000, the other correlation sensing unit 2000 is connected with a winch main body 1, a cable tray 101 is arranged in the winch main body 1, a flange part at one end of the cable tray 101 is provided with grating holes 102 distributed in an annular array, the external structure of the winch main body 1 is a supporting table 103, and a driving motor 2 is arranged on the side surface of the winch main body 1;

the utility model discloses a portable electric power source, including hoist engine main part 1, driving motor 2, including supporting bench 103, probe support 1000, perpendicular piece 5, perpendicular screw 4 and drive motor 2, the junction of hoist engine main part 1 and driving motor 2 is equipped with the protective housing, be equipped with the passageway that holds correlation sensing unit 2000 in the supporting bench 103, junction accessible clamp carries out the axial spacing, it has the screw hole to open in the supporting bench 103, perpendicular piece 5 both ends slice portion both ends open has standing groove 501, perpendicular piece 5 middle part's strip structure's one end is opened has upper through-hole 502, perpendicular screw 4 is located standing groove 501 inside, perpendicular screw 4 screws into the screw hole in the supporting bench 103, accomplishes the connection of probe support 1000 and hoist engine main part 1 from this, probe support 1000 is fixed on the supporting bench 103 adjacent in grating hole 102.

As a preferred implementation manner in this embodiment, referring to fig. 2, 3 and 4, the probe support 1000 includes a vertical plate 5 and a horizontal plate 6 connected by a horizontal screw 7, the vertical plate 5 and the horizontal plate 6 are made of aluminum alloy, if the axes of the two correlation sensors 8 do not coincide in the top view direction, alignment between the correlation sensors 8 is completed by adding a gasket, one end of the horizontal plate 6 is provided with a hoop 601, the hoop 601 hoops the correlation sensors 8 to complete fixation, the other end of the horizontal plate 6 is provided with a lower threaded hole 602, the horizontal screw 7 passes through the upper through hole 502 and enters the inside of the lower threaded hole 602, and the horizontal screw 7 completes position locking between the vertical plate 5 and the horizontal plate 6; the correlation sensing unit 2000 connected with the probe bracket 1000 is fixed inside the hoop 601, the vertical piece 5 is fixed with the supporting platform 103 through the vertical screw 4, the correlation sensing unit 2000 comprises a correlation sensor 8 and a housing tube 9 arranged outside the correlation sensor 8, the housing tube 9 is used for accommodating air flow and supporting the correlation sensor 8, and the air flow can also play a role in radiating heat of the correlation sensor 8 after passing through the outside of the correlation sensor 8; the end bench 801 and the embedded shaft 803 are arranged at one end of the correlation sensor 8, a signal cable interface of the correlation sensor 8 is reserved at the other side of the end bench 801, a transition part of the end bench 801 and the embedded shaft 803 is a bench screw thread 802, a glass head 804 is arranged at one end of the correlation sensor 8, which is opposite to the end bench 801, the glass head 804 protects a fragile probe part of the correlation sensor 8, and a probe of the correlation sensor 8 is positioned inside the glass head 804.

In this embodiment, referring to fig. 3, 4 and 5, an air duct 11 is disposed at an end of the outer cover tube 9, a tightening ring 10 that is propped against the outer cover tube 9 is disposed outside the air duct 11, a space in the middle of the outer cover tube 9 is a middle cavity 904, the middle cavity 904 is used for accommodating air that initially enters the outer cover tube 9, an air inlet tube 903 is disposed on an outer circle of the outer cover tube 9 at the end of the middle cavity 904, the air inlet tube 903 is connected with an air pump through a pipeline, a tube thread cavity 901 and a tube shaft cavity 902 are disposed inside one end of the outer cover tube 9 adjacent to the air inlet tube 903, and the tube thread cavity 901 and the tube shaft cavity 902 are used for connecting the outer cover tube 9 to the correlation sensor 8; the inside bottom chamber 905 and the chamber wall screw thread 906 of the other end of dustcoat pipe 9 to the outside antiskid netted line that adds of holding ring 10, and holding ring 10 are used for locking the axial position of dustcoat pipe 9 and air duct 11, holding ring 10 excircle middle part is established to have a tub external screw thread 1101, and the connection of air duct 11 and dustcoat pipe 9 and holding ring 10 is accomplished to tub external screw thread 1101, the one end of air duct 11 back to dustcoat pipe 9 is equipped with air guide cone 1102, and the fillet processing is done at the edge of the awl gas outlet of air guide cone 1102 tip, and this characteristic can let the more smooth blowout of air, tub external screw thread 1101 and holding ring 10 threaded connection.

In this embodiment, referring to fig. 3, 4 and 5, the end of the air duct 11 away from the air guide cone 1102 is located inside the bottom cavity 905, the table thread 802 is meshed with the pipe thread cavity 901, the embedded shaft 803 is located inside the pipe shaft cavity 902, the inner diameters of the middle cavity 904 and the fastening ring 10 are the same, the inner diameters of the pipe thread cavity 901 and the fastening ring 10 are both larger than the outer diameter of the correlation sensor 8, and the space between the outer part of the correlation sensor 8 and the outer cover pipe 9 and the air duct 11 is used for cleaning sundries inside the grating hole 102 by air through the sprayed air.

Working principle:

this dig depth measuring device of rig soon, driving motor 2 drive hoist engine main part 1 work, the technical scheme of hoist engine main part 1, driving motor 2 and dig the concrete connection of rig soon is for prior art and does not make in detail here, when dig the rig soon and dig hoist engine main part 1 and pay out the steel cable, hoist engine main part 1 and the grating hole 102 of its tip will rotate, two correlation sensing units 2000 are through the mode that correlation sensor 8 penetrated the grating hole 102, realize the length of the steel cable that hoist engine main part 1 released from this, thereby realize the technical purpose of measuring depth, correlation sensing unit 2000 and grating hole 102 complex scheme and current grating encoder are inequality, concrete technical structure is prior art.

When two correlation sensing units 2000 are installed and debugged, the height position of the correlation sensing units 2000 clamped by the probe support 1000 can be adjusted by loosening the vertical screws 4, and the horizontal angle of the correlation sensing units 2000 clamped by the probe support 1000 can be adjusted by loosening the horizontal screws 7, if at this time, the two correlation sensing units 2000 still cannot be added with gaskets on the vertical screws 4 regular between the vertical sheets 5 and the supporting stand 103 until the two correlation sensing units 2000 are aligned, the light rays emitted by the correlation sensors 8 of the correlation sensing units 2000 need to pass through the grating holes 102 in the rotating state of the cable tray 101.

The air pump is connected with the air inlet pipe 903 through a hose, air input by the air pump enters the middle cavity 904 and the inside of the air guide pipe 11 through the air inlet pipe 903, and finally the air is sprayed out from the conical part of the air guide pipe 11 and the annular space outside the correlation sensor 8 and is blown to the grating hole 102, and if sundries exist in the grating hole 102, the air is blown out.

The foregoing is only a preferred embodiment of the utility model, but the scope of the utility model is not limited thereto, and any person skilled in the art who is in the field of the utility model can apply equivalent substitution or modification to the technical solution and the inventive concept according to the utility model within the scope of the utility model.

Claims

1. The utility model provides a dig depth sounding device of rig soon, includes two correlation sensing unit (2000), and one of them correlation sensing unit (2000) is connected with probe support (1000), and another correlation sensing unit (2000) are connected its characterized in that with hoist engine main part (1): a cable tray (101) is arranged in the winch main body (1), a ring-shaped array distributed grating holes (102) are formed in a flange part at one end of the cable tray (101), the external structure of the winch main body (1) is a supporting table (103), and the probe support (1000) is fixed on the supporting table (103) adjacent to the grating holes (102);

the probe support (1000) comprises a vertical sheet (5) and a horizontal sheet (6) which are connected through a horizontal screw (7), the vertical sheet (5) is fixed with a supporting table (103) through the vertical screw (4), the correlation sensing unit (2000) comprises a correlation sensor (8) and an outer cover tube (9) arranged outside the correlation sensor, an air duct (11) is arranged at the end part of the outer cover tube (9), and a tightening ring (10) propping up the outer cover tube (9) is arranged outside the air duct (11).

2. The depth sounding device of a rotary drilling rig as recited in claim 1, wherein: the side of the winch main body (1) is provided with a driving motor (2), a protective shell is arranged at the joint of the winch main body (1) and the driving motor (2), and a channel for accommodating the correlation sensing unit (2000) is arranged in the supporting table (103).

3. The depth sounding device of a rotary drilling rig as recited in claim 2, wherein: screw holes are formed in the supporting table (103), vertical grooves (501) are formed in two ends of the sheet-shaped portions at two ends of the vertical sheet (5), an upper through hole (502) is formed in one end of the strip-shaped structure in the middle of the vertical sheet (5), the vertical screw (4) is located inside the vertical grooves (501), and the vertical screw (4) is screwed into the screw holes in the supporting table (103).

4. A depth sounding device of a rotary drilling rig according to claim 3, wherein: one end of the horizontal piece (6) is provided with a hoop (601), the other end of the horizontal piece (6) is provided with a lower threaded hole (602), a horizontal screw (7) penetrates through the upper through hole (502) to enter the lower threaded hole (602), and a correlation sensing unit (2000) connected with the probe bracket (1000) is fixed in the hoop (601).

5. The depth sounding device of a rotary drilling rig as recited in claim 1, wherein: an end table (801) and an embedded shaft (803) are arranged at one end of the correlation sensor (8), a table thread (802) is arranged at the transition part of the end table (801) and the embedded shaft (803), a glass head (804) is arranged at one end, opposite to the end table (801), of the correlation sensor (8), and a probe of the correlation sensor (8) is positioned in the glass head (804);

the space in the middle of the outer cover pipe (9) is a middle cavity (904), an air inlet pipe (903) is arranged on the outer circle of the outer cover pipe (9) at the end of the middle cavity (904), a pipe thread cavity (901) and a pipe shaft cavity (902) are formed in one end of the outer cover pipe (9) adjacent to the air inlet pipe (903), and a bottom cavity (905) and a cavity wall thread (906) are formed in the other end of the outer cover pipe (9).

6. The depth sounding device of a rotary drilling rig as recited in claim 5, wherein: the middle part of the excircle of the tightening ring (10) is provided with a pipe external thread (1101), one end of the air duct (11) back to the outer cover pipe (9) is provided with an air duct cone (1102), the pipe external thread (1101) is in threaded connection with the tightening ring (10), and one end of the air duct (11) away from the air duct cone (1102) is positioned in the bottom cavity (905).

7. The depth sounding device of a rotary drilling rig as recited in claim 6, wherein: the table thread (802) engages with the tube thread cavity (901), and the embedded shaft (803) is located inside the tube thread cavity (902).

8. The depth sounding device of the rotary drilling rig as recited in claim 7, wherein: the inner diameters of the middle cavity (904) and the union ring (10) are the same, and the inner diameters of the threaded pipe cavity (901) and the union ring (10) are both larger than the outer diameter of the correlation sensor (8).