CN214010239U

CN214010239U - Measuring device for quickly measuring vertical shaft verticality of hand-free drill

Info

Publication number: CN214010239U
Application number: CN202120312024.6U
Authority: CN
Inventors: 周永举; 周倩; 贾涛; 崔磊; 鲁超; 苏习灿; 宋春晓
Original assignee: China Railway Engineering Equipment Group Co Ltd CREG
Current assignee: China Railway Engineering Equipment Group Co Ltd CREG
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-08-20
Anticipated expiration: 2031-02-04

Abstract

The utility model provides a hands-free brill short-term test shaft straightness's that hangs down measuring device, including the derrick, be provided with the roof beam that slides on the derrick, the drilling rod is connected with the unit head of fixing on the roof beam that slides, install the detection subassembly on the drilling rod, the detection subassembly is connected with electrically conductive sliding ring through the transmission line, and electrically conductive sliding ring installs in the tool joint department of the roof beam that slides, and is connected with the signal appearance. The utility model discloses an install one set or multiunit ultrasonic detection device on the drilling rod, each group contains a plurality of ultrasonic detection device according to the installation of different height gradients, and during the measurement, the drilling rod rotates, makes every detection device all carry out data acquisition to a plurality of position points of circumference, forms 1 group of data, improves the accuracy of measured data and analysis result; the drilling machine does not need to be lifted in the whole measuring process, a large amount of time and labor are saved, and the problems of damage and faults caused by repeated assembly and disassembly of the drilling machine after the drilling machine is lifted out of the shaft for measuring the verticality of the shaft at present are solved.

Description

Measuring device for quickly measuring vertical shaft verticality of hand-free drill

Technical Field

The utility model relates to a technical field of shaft construction especially relates to a hands-free brill rapid survey shaft straightness's that hangs down measuring device.

Background

In the construction of a vertical shaft, whether the verticality of the vertical shaft can be ensured has great influence on the well forming quality, in the drilling construction of the current vertical shaft, in order to measure the verticality of the vertical shaft, a drilling machine needs to be lifted out of a well, then a logging device is adopted to measure the verticality of the vertical shaft, and the drilling tool, a drilling rod and other components need to be disassembled and assembled each time the drilling machine is lifted, so that the labor and time are wasted, and potential safety hazards are brought to the construction; particularly for deep well construction, the time and labor required for lifting and lowering the drill bit each time are multiplied, and the construction progress is seriously influenced; meanwhile, due to the fact that the drilling machine is disassembled and assembled for many times, the damage rate of the drill rod joint is increased, and the drill rod connecting bolt is replaced for many times.

SUMMERY OF THE UTILITY MODEL

Need when measuring to present shaft straightness that hangs down wholly provide the back with the rig, measure again, have long, the high technical problem of fault rate of consuming time, the utility model provides a hands-free brill quick measurement shaft straightness's of hanging down measuring device.

In order to solve the above problem, the technical scheme of the utility model is so realized:

a measuring device for quickly measuring the vertical shaft verticality of a hand-free drill comprises a derrick, wherein a sliding beam is arranged on the derrick in a sliding mode, a drill rod is installed on the sliding beam, a detection assembly is installed on the drill rod and connected with a conductive sliding ring through a transmission line, and the conductive sliding ring is installed at a drill rod joint of the sliding beam and connected with a signal instrument.

Preferably, the detection assembly comprises a plurality of groups of ultrasonic detection devices, the ultrasonic detection devices are fixedly mounted on the drill rod, and the ultrasonic detection devices are connected with the conductive slip ring through transmission lines.

Preferably, each group of ultrasonic detection devices in the plurality of groups of ultrasonic detection devices comprises a plurality of ultrasonic detectors arranged on the drill rod at intervals.

Preferably, one end of the ultrasonic detection device is fixed on the drill rod, the other end of the ultrasonic detection device is provided with an observation hole, and the observation hole is matched with a probe in the ultrasonic detection device.

Preferably, the inner ring of the conductive slip ring is fixed on the drill rod, and the outer ring of the conductive slip ring is fixedly connected with the sliding beam through the anti-rotation device; the inner ring of the conductive slip ring is connected with an ultrasonic detection device in the detection assembly through a transmission line, and the outer ring of the conductive slip ring is connected with a signal instrument through a signal adapter.

Preferably, the anti-rotation device comprises a fixed bracket, the fixed bracket is mounted on the sliding beam, and the fixed bracket is fixedly connected with the outer ring of the conductive slip ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install ultrasonic detection device on the drilling rod, utilize ultrasonic detection device to the whole circumference of shaft well hole wall multiple spot position measurement, improve the accuracy of measured data, whole measurement process need not to propose the rig, save a large amount of time and manpower, need to carry out the rig from the well before solving the present shaft verticality measurement and then measure, dismantle damage and trouble problem that the joint brought many times;

2. the utility model is not limited by the drilling depth, has wide adaptability, can meet the transmission of signals with larger distance in the slurry environment by adopting ultrasonic detection measurement, can adapt to the diameter of a well hole with larger range, can measure at any time according to the requirement, and ensures that the verticality control is more accurate;

3. the utility model discloses need not to carry the brill and can measure, improve the efficiency of construction, reduce tool joint and damage the risk, reduce because of the required bolt of changing of a lot of dismouting, reduce spare part cost to but greatly increased measures the number of times, improves the straightness control accuracy that hangs down of well.

Drawings

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

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a portion i of fig. 1.

Fig. 3 is the measuring schematic diagram of the ultrasonic detecting device of the present invention.

In the figure, 1 is a drill rod, 2 is a transmission line channel, 3 is a well hole wall, 4 is an anti-rotation device, 5 is a sliding beam, 6 is a conductive sliding ring, 7 is a signal instrument, 8 is an ultrasonic detection device, 9 is a sealing joint, and 10 is a transmission line.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in figure 1, the measuring device for quickly measuring the vertical shaft verticality of the hands-free drill comprises a derrick, wherein a sliding beam 5 is arranged on the derrick, a drill rod 1 is arranged on the sliding beam 5, the drill rod can be a single-wall drill rod, a double-wall drill rod or other types of drill rods, a detection assembly is arranged on the drill rod 1, the distance between the drill rod and a well hole wall 3 is detected by the detection assembly, the detection assembly is connected with a conductive slip ring 6 through a transmission line 10, the transmission line 10 is arranged in a signal line channel 2, the signal line channel is fixed on the drill rod, the transmission line extends to an inner ring of the conductive slip ring arranged at the joint of the drill rod of the sliding beam through the signal line channel fixed on the drill rod, the drill rod rotates along with the drill rod, the conductive slip ring 6 is arranged at the joint of the sliding beam 5, and the conductive slip ring 6 is connected with a signal instrument 7.

As shown in fig. 2, the detection assembly includes a plurality of groups of ultrasonic detection devices 8, the ultrasonic detection devices are fixed on the drill rod through a plurality of groups of ultrasonic detection devices according to actual detection requirements, each group of ultrasonic detection devices 8 in the plurality of groups of ultrasonic detection devices 8 includes a plurality of ultrasonic detectors arranged on the drill rod at intervals, each group includes a plurality of ultrasonic detection devices installed according to different height gradients, and during measurement, the drill rod rotates to enable each detection device to perform data acquisition on a plurality of circumferential point positions to form 1 group of data; then, carrying out coupling calculation on a plurality of groups of data acquired by a plurality of detection devices, automatically judging and rejecting data with larger errors, so as to eliminate measurement errors caused by the lumpy stripping of rock and soil of a well wall and the like, improve the accuracy of the measurement data and an analysis result, and facilitate the improvement of the accuracy of the data acquisition of a vertical shaft, as shown in fig. 3, a plurality of groups of probes are uniformly arranged on a drill rod, so that not only can the normal measurement be ensured when a certain group of probes are damaged, but also the accuracy of the measurement result can be ensured by utilizing the coupling of the plurality of groups of data, an ultrasonic detection device 8 is fixedly arranged on the drill rod 1, the ultrasonic detection device 8 is connected with a conductive slip ring 6 through a transmission line 10, and the transmission line 10 is connected with the ultrasonic detection device 8 through a sealing joint 9; ultrasonic detection device 8 one end is fixed at drilling rod 1, and the observation hole has been seted up to the ultrasonic detection device 8 other end, and the observation hole cooperatees with the probe in the ultrasonic detection device 8, utilizes the observation hole to prevent that the probe from being damaged, wearing and tearing by the collision when following the drilling rod rotation, is convenient for provide the passageway for probe transmitted signal and received signal simultaneously.

The inner ring of the conductive slip ring 6 is fixed on the drill rod 1, the outer ring of the conductive slip ring 6 is fixedly connected with the sliding beam 5 through the anti-rotation device 4, the anti-rotation device 4 comprises a fixed support, the fixed support is installed on the sliding beam 5 and is fixedly connected with the outer ring of the conductive slip ring 6, the outer ring of the conductive slip ring is clamped by the fixed support, and the outer ring of the conductive slip ring is prevented from rotating; the inner ring of the conductive slip ring 6 is connected with an ultrasonic detection device 8 in the detection assembly through a transmission line 10, and the outer ring of the conductive slip ring 6 is connected with a signal instrument 7 through a signal adapter; when a certain depth needs to be measured, the drilling machine stops drilling operation, the drilling machine is lifted through a lifting oil cylinder arranged on a derrick until an ultrasonic probe reaches a position to be measured, a signal adapter is connected to a signal instrument, a power end of the signal instrument is started, a power head is slowly rotated, an ultrasonic detection device measures the whole circumference of the wall of a well hole, a measurement vertical shaft is transmitted to the signal instrument, the signal instrument carries out data analysis to calculate the verticality of the well hole, and a verticality analysis report is formed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The measuring device for rapidly measuring the vertical shaft verticality of the hands-free drill comprises a derrick, wherein a sliding beam (5) is arranged on the derrick, and a drill rod (1) is installed on the sliding beam (5), and is characterized in that a detection assembly is installed on the drill rod (1), is connected with a conductive sliding ring (6) through a transmission line (10), and is installed at a drill rod joint of the sliding beam (5) and the conductive sliding ring (6) is connected with a signal instrument (7).

2. The device for rapidly measuring the vertical shaft verticality of the hands-free drill according to claim 1, wherein the detection assembly comprises a plurality of groups of ultrasonic detection devices (8), the ultrasonic detection devices (8) are fixedly arranged on the drill rod (1), and the ultrasonic detection devices (8) are connected with the conductive slip ring (6) through transmission lines (10).

3. The device for quickly measuring the vertical shaft verticality of the hands-free drill according to claim 2, wherein each group of ultrasonic detection devices (8) in the groups of ultrasonic detection devices (8) comprises a plurality of ultrasonic detectors which are arranged on the drill pipe at intervals.

4. The device for quickly measuring the vertical shaft verticality of the hands-free drill according to claim 2, wherein one end of the ultrasonic detection device (8) is fixed on the drill rod (1), and the other end of the ultrasonic detection device (8) is provided with an observation hole which is matched with a probe in the ultrasonic detection device (8).

5. The device for rapidly measuring the vertical shaft verticality of the hands-free drill according to claim 1 or 2, characterized in that the inner ring of the conductive sliding ring (6) is fixed on the drill rod (1), and the outer ring of the conductive sliding ring (6) is fixedly connected with the sliding beam (5) through the anti-rotation device (4); the inner ring of the conductive slip ring (6) is connected with an ultrasonic detection device (8) in the detection assembly through a transmission line (10), and the outer ring of the conductive slip ring (6) is connected with a signal instrument (7) through a signal adapter.

6. The device for rapidly measuring the shaft verticality of the hands-free drill according to claim 5, wherein the anti-rotation device (4) comprises a fixed bracket which is arranged on the sliding beam (5) and is fixedly connected with the outer ring of the conductive sliding ring (6).