CN204716227U - With brill inclination measurement device - Google Patents

Abstract

The utility model provides an inclinometer while drilling device, comprising: a measuring instrument and an integrated machine; the measuring instrument includes a rod body, a processor arranged on the rod body, a magnetic field sensor, an acceleration sensor, a power supply of the measuring instrument and a communication interface of the measuring instrument; the integrated machine Including controller and all-in-one communication interface. The inclinometer while drilling device provided by the utility model can connect the measuring instrument between the drill pipe and the drill bit, and the drilling data can be measured while the hole is being drilled, avoiding drilling first, and then placing the probe tube The inconvenience caused by measuring the drilling data in the borehole, the operation is convenient and quick, saves time and effort, and greatly improves the work efficiency; at the same time, there is no need to run the cable into the measuring instrument to measure the drilling data, and it can be worn with the drill bit It can measure the inclination of boreholes such as layer holes, bedding holes and geological drilling holes, and has a wide range of applications.

Description

Inclinometer while drilling

technical field

The utility model relates to the field of geological exploration instruments, in particular to an inclinometer while drilling.

Background technique

In the process of coal mining, coal and gas outburst has always been the biggest hidden danger of coal mine safety production. At present, it is still the most effective way to prevent coal and gas outburst by using pre-mining drilling to pre-drain gas and reduce gas pressure in coal strata. In the process of underground drilling in coal mines, there is a problem that the drilling trajectory deviates from the pre-designed position, so it is necessary to measure whether the drilling is deflected.

At present, borehole inclinometers are mainly used to measure the inclination of boreholes. The existing borehole inclinometers are generally composed of ground control instruments and downhole probes, which communicate through cable connections. Specifically, when measuring, usually after the borehole is formed, the probe tube with the cable is sent into the borehole for measurement, and the probe tube is retrieved after the measurement is completed to continue drilling.

The existing borehole inclinometer needs to send the probe tube into the borehole for measurement after the borehole is formed. The operation is cumbersome, time-consuming and labor-intensive, which seriously affects the work efficiency; Tube, so it can only be used in through-layer holes, and it cannot be applied to bedding holes, which has great limitations.

Utility model content

Aiming at the above-mentioned defects of the prior art, the utility model provides an inclinometer while drilling device, which is used to improve work efficiency and expand the application range of inclinometer.

The utility model provides an inclinometer while drilling device, comprising: a measuring instrument and an integrated machine;

The measuring instrument includes a rod body, a processor arranged on the rod body, a magnetic field sensor, an acceleration sensor, a power supply of the measuring instrument, and a communication interface of the measuring instrument; the magnetic field sensor, the acceleration sensor, and the processor are respectively connected to the power supply of the measuring instrument; The instrument communication interface is respectively connected with the processor; one end of the rod body is provided with an external connection taper for connecting the drill bit; the other end of the rod body is provided with an internal connection taper for connecting the drill pipe;

The all-in-one machine includes a controller and an all-in-one communication interface, and the all-in-one communication interface is connected to the controller;

The measuring instrument is used to measure the angle information of the borehole with the drill bit entering the borehole; the angle information includes the inclination angle and azimuth angle of the borehole;

The all-in-one machine is used to obtain the time sampling point according to the preset sampling mechanism, and obtain the angle information of the drilling hole through the communication interface of the measuring instrument and the communication interface of the all-in-one machine.

In one embodiment of the present invention, the rod body is provided with a groove, and the processor, the magnetic field sensor, the acceleration sensor and the power supply are located in the groove.

In an embodiment of the present invention, the measuring instrument further includes a cover plate, which matches the groove and is movably arranged on the rod body.

In one embodiment of the present invention, the rod body of the measuring instrument is provided with an internal through hole, and the internal through hole communicates with the drill pipe and the drill bit.

In one embodiment of the present invention, the rod body of the measuring instrument is made of titanium alloy.

In an embodiment of the present invention, the all-in-one machine further includes: a display screen, operation keys, and an all-in-one machine power supply for powering the all-in-one machine; the display screen and the operation keys are respectively connected to the controller.

In an embodiment of the present invention, the measuring instrument is provided with a charging interface of the measuring instrument, and the all-in-one machine is provided with an all-in-one charging interface.

In one embodiment of the utility model, the measuring instrument is provided with a measuring instrument power switch, and the all-in-one machine is provided with an all-in-one power switch.

The inclinometer while drilling device provided by the embodiment of the utility model can connect the measuring instrument between the drill pipe and the drill bit through the external connection cone buckle provided at one end of the rod body of the measuring instrument and the internal connecting cone buckle provided at the other end, so that The measuring instrument can measure the angle information of the drilling hole through the magnetic field sensor and the acceleration sensor set on the measuring instrument while drilling, and process and store the angle information of the drilling hole through the processor set on the measuring instrument. The drilling data can be measured at the same time as the hole is formed, avoiding the inconvenience of drilling first, and then putting the probe into the drilling hole to measure the drilling data. The operation is convenient and fast, saving time and effort, and greatly Improve work efficiency; Simultaneously, the inclination measuring device of the present embodiment does not need to enter the surveying instrument through the cable to measure the drilling data, and can measure the boreholes such as the piercing hole, the bedding hole and the geological drilling hole in real time with the drill bit. Oblique, wide range of application.

Description of drawings

Fig. 1 is the forward structure schematic diagram of the measuring instrument of the inclinometer while drilling device provided by the utility model;

Figure 2 is a schematic diagram of the back and internal structure of the measuring instrument of the inclinometer while drilling device provided by the utility model;

Fig. 3 is a schematic structural view of the all-in-one machine of the inclinometer while drilling device provided by the utility model;

Fig. 4 is the structural representation of the cover plate of the present utility model;

Fig. 5 is another structural schematic diagram of the all-in-one machine of the inclinometer while drilling device provided by the utility model.

Explanation of reference signs:

1- Measuring instrument; 2- All-in-one machine;

11-rod body; 12-processor;

13-magnetic field sensor; 14-acceleration sensor;

15-Measuring instrument power supply; 16-Measuring instrument communication interface;

17-Outer connection taper buckle; 18-Inner connection taper buckle;

19-groove; 110-cover plate;

111-Internal eye; 112-Measuring instrument charging interface;

113 - measuring instrument power switch;

21-Controller; 22-All-in-one communication interface;

23-Display screen; 24-Operation keys;

25- All-in-one power supply; 26- All-in-one charging interface;

27- All-in-one power switch.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The inclinometer while drilling device provided by the embodiment of the utility model aims to solve the technical problems of narrow application range and low working efficiency of the borehole inclinometer in the prior art.

The technical scheme of the utility model is described in detail below with specific embodiments. The following specific embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

Fig. 1 is a schematic diagram of the forward structure of the measuring instrument of the inclinometer while drilling device provided by the utility model, Fig. 2 is a schematic diagram of the back and internal structure of the measuring instrument of the inclinometer while drilling device provided by the utility model, and Fig. 3 is the present invention The structural schematic diagram of the integrated machine of the inclinometer while drilling device provided by the utility model; as shown in Figure 1-3, the inclinometer while drilling device provided by this embodiment includes: a measuring instrument 1 and an integrated machine 2; 11. The processor 12, magnetic field sensor 13, acceleration sensor 14, measuring instrument power supply 15 and measuring instrument communication interface 16 arranged on the rod body 11; the magnetic field sensor 13, acceleration sensor 14, and processor 12 are connected to the measuring instrument power supply 15 respectively, Magnetic field sensor 13, acceleration sensor 14, measuring instrument communication interface 16 are connected with processor 12 respectively; One end of body of rod 11 is provided with external connection taper buckle 17, is used for connecting drill bit; Connect the drill pipe; the all-in-one machine 2 includes a controller 21 and an all-in-one machine communication interface 22, and the all-in-one machine communication interface 22 is connected to the controller 21; the measuring instrument 1 is used to measure the angle information of the borehole with the drill bit entering the borehole; the angle information includes the drill bit The inclination angle and azimuth angle of the hole; the integrated machine 2 is used to obtain the sampling time point according to the preset sampling mechanism, and obtain the angle information of the borehole through the communication interface 16 of the measuring instrument and the communication interface 22 of the integrated machine.

Specifically, the processor 12 in the measuring instrument 1 can be composed of a single-chip microcomputer and its peripheral circuits, and is used to process the electrical signals generated by the magnetic field sensor 13 and the acceleration sensor 14 into digital signals and store them in the internal or external memory of the single-chip microcomputer.

Magnetic field sensor 13 in measuring instrument 1 is used for measuring the azimuth angle of borehole, specifically can adopt other sensors such as magnetoresistive sensor or fluxgate sensor for measuring magnetic force; Preferably adopt magnetoresistive sensor in the present embodiment, to reduce Circuit assembly costs are reduced, and the seismic performance of the measuring instrument 1 is improved. The acceleration sensor 14 in the measuring instrument 1 is used to measure the inclination angle of the borehole, and other sensors for measuring acceleration such as the acceleration of gravity sensor 14 or the quartz flexible acceleration sensor 14 can be used; the acceleration of gravity sensor 14 is preferably used in the present embodiment, In order to reduce the volume of the circuit and improve the anti-seismic performance of the measuring instrument 1 .

The measuring instrument power supply 15 can be an ordinary battery or a rechargeable battery, and the measuring instrument communication interface 16 can be an RS232 interface or a Universal Serial Bus (Universal Serial Bus; USB) interface and other communication interfaces for data transmission.

The external connection taper 17 at one end of the rod body 11 of the measuring instrument 1 matches the internal connection taper of the drill bit, the internal connection taper 18 at the other end of the rod body 11 matches the external connection taper of the drill pipe, and the measuring instrument 1 is connected to the drill bit. Between the drill pipe and a section of drill pipe, the measuring instrument 1 can measure the angle information of the drill hole while the drill bit is drilling; the length of each section of drill pipe is fixed. The number of drill rods can determine the depth information of the drilled hole.

The controller 21 in the all-in-one machine 2 can be composed of a single-chip microcomputer and its peripheral circuits, and is mainly used for sending synchronization commands to the measuring instrument 1 and collecting effective sampling points. The all-in-one machine communication interface 22 matches the measuring instrument communication interface 16 , and the all-in-one machine 2 can obtain the angle information of the borehole measured by the measuring instrument 1 through the measuring instrument communication interface 16 and the all-in-one machine communication interface 22 .

When the all-in-one machine 2 obtains the sampling time point according to the preset sampling mechanism, it may specifically obtain the sampling time point by manually sampling at the preset time point or automatically sampling according to the preset time. The sampling frequency of the all-in-one machine 2 can be consistent with that of the measuring instrument 1, and the sampling interval can be set to other times such as 2s-4s as required. After the sampling is finished, the all-in-one machine 2 can extract the angle information of the borehole measured by the measuring instrument 1, and match the sampling data for each sampling time point to obtain complete sampling point data. Specifically, the time point closest to the sampling time point can be The drilling angle information measured at the point is used as the sampling data at the sampling time point, for example: a certain sampling time point of the all-in-one machine 2 is 13 hours, 1 minute and 3 seconds, and the measurement time of the two drilling angle information measured by the measuring instrument is points are 13:1:1 and 13:1:4, then the drilling angle information at the measurement time point of 13:1:4 is taken as the sampling data of the sampling time point; according to the data characteristics of each sampling point , the all-in-one machine 2 can process the sampling data and screen out effective sampling points (after drilling the length of one section of drill pipe and installing another section of drill pipe, it will pause for a few seconds to collect data, and the effective sampling point is the drill bit pause Borehole data collected during the time period).

In addition, the all-in-one machine 2 in this embodiment can automatically process the acquired drilling data (including data such as drilling angle information and drilling depth), or the all-in-one machine 2 can be connected to other processing equipment such as a computer, and the obtained data can be obtained through computer processing. At the same time, the all-in-one machine 2 in this embodiment can control the all-in-one machine 2 through a computer to realize drilling parameter presets and time synchronization between the all-in-one machine 2 and the measuring instrument 1.

When the inclinometer-while-drilling device of this embodiment is actually used, before going downhole, the all-in-one machine 2 is connected to the computer, and at the same time, the communication interface 16 of the surveying instrument is connected to the communication interface 22 of the all-in-one machine. There is no place containing magnetic substances within the surrounding 5m. The measurement data of the surveying instrument 1 is used to calibrate the geomagnetic declination on the all-in-one machine 2 through the computer, and at the same time, the construction drilling location, drill pipe length, and drilling parameters (including: design inclination, design orientation, roadway direction, etc.) Then carry out the time synchronization operation, the all-in-one machine 2 and the measuring instrument 1 start sampling work at the same time; after the synchronization is successful, disconnect the connection between the measuring instrument communication interface 16 and the all-in-one machine communication interface 22, and pass one end of the measuring instrument 1 through The outer connecting taper 17 is connected to the drill bit, and the other end is connected to the drill pipe through the inner connecting taper 18, and the drilling starts; during the construction process, the all-in-one machine 2 obtains sampling time points according to the preset sampling mechanism until the drilling is completed; After the hole construction is completed, take out the surveying instrument 1, connect the surveying instrument communication interface 16 and the all-in-one machine communication interface 22, extract the angle information of the borehole stored in the surveying instrument 1, and obtain the depth information of the borehole according to the length and quantity of the drill pipe Then process the drilling data by the controller 21 or the computer connected with the all-in-one machine, and display data such as trajectory graphics, inclination, azimuth and drilling depth of the drilling on the computer. According to the above-mentioned processed drilling data, the degree of deviation of the drilling can be judged, the drilling construction parameters can be adjusted in real time according to the degree of deviation of the drilling, and the construction of the same type of drilling can be guided, and finally each drilling can be achieved The purpose of construction to the predetermined final hole point.

The inclination measuring device provided in this embodiment can connect the measuring instrument between the drill pipe and the drill bit through the external connection taper provided at one end of the rod body of the measuring instrument and the internal connecting taper provided at the other end, so that the measuring instrument While drilling, the angle information of the drilling hole can be measured by the magnetic field sensor and the acceleration sensor set on the measuring instrument, and the angle information of the drilling hole can be processed and stored by the processor set on the measuring instrument, that is, when the drilling is completed The drilling data can be measured at the same time as the hole is drilled, which avoids the inconvenience caused by drilling first and then putting the probe into the hole to measure the drilling data. The operation is convenient and fast, saving time and effort, and greatly improving the Work efficiency; at the same time, the inclinometer while drilling device of this embodiment does not need to measure the drilling data through the cable into the measuring instrument, and can measure the inclination of the boreholes such as the piercing hole, the bedding hole and the geological drilling hole with the drill bit, and is suitable for wide range.

As a possible implementation of the present invention, on the basis of the above-mentioned embodiments, this embodiment further optimizes the structure of the measuring instrument 1 . Please continue to refer to FIG. 1 and FIG. 2 , in this embodiment, the rod body 11 is provided with a groove 19, and the processor 12, the magnetic field sensor 13, the acceleration sensor 14 and the power supply are located in the groove 19, so as to avoid each Components are damaged by external collisions, which play a certain role in protecting each component.

Fig. 4 is a schematic structural view of the cover plate of the present invention, further, as shown in Fig. 4 , the measuring instrument 1 also includes a cover plate 110, the cover plate 110 is matched with the groove 19, and is movably arranged on the rod body 11, To cooperate with the groove 19 to further protect the components in the groove 19 from being damaged.

Specifically, one side of the cover plate 110 can be movably connected to the groove 19. When the cover plate 110 is opened, the cover plate 110 will not break away from the groove 19; , the cover plate 110 breaks away from the groove 19 . The specific setting manner can be selected according to needs, and is not limited in this embodiment.

Optionally, in this embodiment, as shown in FIG. 2 , the rod body 11 of the measuring instrument 1 is provided with an internal through hole 111 , and the internal through hole 111 communicates with the drill pipe and the drill bit. In the process of drilling, construction debris will be generated at the drill bit. At this time, the construction debris at the drill bit can be washed by injecting liquid such as water into the internal channel formed between the drill pipe, the measuring instrument 1 and the drill bit, so that For drilling construction.

Optionally, the rod body 11 of the surveying instrument 1 in this embodiment is made of titanium alloy to enhance the strength of the surveying instrument 1 and prevent the surveying instrument 1 from being damaged due to excessive force during the drilling process, thereby reducing the failure rate. Increase service life. Of course, the rod body of the measuring instrument 1 can also use other non-magnetic materials with higher hardness. The titanium alloy used in the present invention is only used as an example, and is not intended to limit the present invention.

In addition, optionally, the measuring instrument 1 is provided with a measuring instrument charging interface 112. Correspondingly, the measuring instrument power supply 15 adopts a rechargeable battery, so that the service time of the battery can be effectively extended, the battery life is strong, and repeated battery replacement is also avoided. The impact on construction efficiency further improves work efficiency.

Optionally, the measuring instrument 1 is provided with a measuring instrument power switch 113, which can turn on the power when the measuring instrument 1 is working, and turn off the power when the measuring instrument 1 is not working, so as to save power.

The measuring instrument provided in this embodiment, by arranging grooves on the rod body to accommodate processors, magnetic field sensors, acceleration sensors and power supplies, prevents the components in the grooves from being damaged due to external force collisions, and plays a certain role in each component. protection; at the same time, by setting a cover plate that matches the groove, the components in the groove are further protected from damage.

FIG. 5 is another structural schematic diagram of the integrated machine of the inclinometer while drilling device provided by the present invention. This embodiment further optimizes the structure of the integrated machine 2 . As shown in FIG. 5 , in this embodiment, the all-in-one machine 2 also includes: a display screen 23 , operation keys 24 and an all-in-one machine power supply 25 for powering the all-in-one machine 2 ; the display screen 23 and the operation keys 24 are connected to the controller 21 respectively.

Specifically, the all-in-one machine 2 can carry out operations such as geomagnetic declination calibration, measuring instrument 1 and all-in-one machine 2 time synchronization, drilling parameter preset before drilling construction, and sampling during drilling construction through the operation key 24; After the drilling data, the all-in-one machine 2 can process the drilling data through the controller 21, and then directly display data such as drilling trajectory, inclination, azimuth, and drilling depth on the display screen 23, so that no additional processing equipment such as a computer is needed , simple structure and easy operation. In addition, when data such as the azimuth angle of drilling is displayed on the display screen 23, it can be based on the standard coordinates (taking the north direction as the reference), the roadway direction (taking the roadway centerline direction as the reference), the drilling curve (taking the first azimuth Angle data as the reference) to display the data, and judge the azimuth deviation of the borehole according to the displayed results.

It should be noted that the controller 21 and the all-in-one machine power supply 25 in FIG. 5 are located inside the all-in-one machine 2 , and the display screen 23 is outside the all-in-one machine 2 . It is not intended to limit the specific position of each component in the all-in-one machine.

Similar to the measuring instrument 1, the all-in-one power supply 25 can be a normal battery or a rechargeable battery.

Optionally, in this embodiment, the all-in-one machine 2 is provided with an all-in-one machine charging interface 26. Correspondingly, the power supply adopts a rechargeable battery, so that the service time of the battery can be effectively extended, the battery life is strong, and repeated battery replacement is also avoided. The impact on construction efficiency further improves work efficiency.

Optionally, the all-in-one machine 2 is provided with an all-in-one power switch 27, which can turn on the power when the all-in-one machine 2 is working, and turn off the power when the all-in-one machine 2 is not working, so as to save power.

The all-in-one machine provided in this embodiment, by setting the display screen, operation keys and power supply of the all-in-one machine on the all-in-one machine, the all-in-one machine can realize the whole process of measuring the inclination of the borehole without connecting other processing equipment such as other computers, and its structure is simple , easy to operate, and further improve work efficiency.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the various embodiments of the present invention Scope of technical solutions.

Claims (8)

1. A device for measuring inclination while drilling, comprising: a surveying instrument and an all-in-one machine; The measuring instrument includes a rod body, a processor arranged on the rod body, a magnetic field sensor, an acceleration sensor, a measuring instrument power supply, and a measuring instrument communication interface; the magnetic field sensor, the acceleration sensor, and the processor are respectively connected to the measuring instrument Power supply connection, the magnetic field sensor, the acceleration sensor, and the communication interface of the measuring instrument are respectively connected to the processor; one end of the rod body is provided with an external connection taper for connecting the drill bit; the other end of the rod body is provided with Inner connection taper, used to connect drill pipe; The all-in-one machine includes a controller and an all-in-one communication interface, and the all-in-one communication interface is connected to the controller; The measuring instrument is used to measure the angle information of the borehole as the drill bit enters the borehole; the angle information includes the inclination angle and the azimuth angle of the borehole; The all-in-one machine is used to obtain time sampling points according to a preset sampling mechanism, and obtain angle information of the borehole through the measuring instrument communication interface and the all-in-one machine communication interface. 2. The inclinometer while drilling device according to claim 1, wherein a groove is arranged on the rod body, and the processor, the magnetic field sensor, the acceleration sensor and the power supply are located in the groove. in the slot. 3. The inclinometer while drilling device according to claim 2, wherein the surveying instrument further comprises a cover plate, the cover plate is matched with the groove, and is movably arranged on the rod body. 4 . The inclinometer while drilling device according to claim 1 , wherein an internal through hole is arranged in the rod body of the measuring instrument, and the internal through hole communicates with the drill pipe and the drill bit. 5 . 5. The inclinometer while drilling device according to claim 1, characterized in that the rod body of the measuring instrument is made of titanium alloy. 6. The inclinometer while drilling device according to claim 1, wherein the all-in-one machine also includes: a display screen, operation keys and an all-in-one power supply for the all-in-one machine; the display screen and the all-in-one machine The operation keys are respectively connected with the controllers. 7. The inclinometer while drilling device according to any one of claims 1-6, characterized in that, the surveying instrument is provided with a surveying instrument charging interface, and the all-in-one machine is provided with an all-in-one charging interface. 8. The inclinometer while drilling device according to any one of claims 1-6, characterized in that, the measuring instrument is provided with a measuring instrument power switch, and the integrated machine is provided with an integrated machine power switch.