A sensor installation joint for coal mine drilling measurement

Abstract

The present invention discloses a sensor installation joint for coal mine drilling measurement, which relates to the technical field of coal mine mining, and comprises a connecting shell, wherein a central through hole of the connecting shell passes through two sides, and both sides are provided with a connecting pipe for connecting a nylon hose, and the connecting pipe is provided with a first clamping ring and a second clamping ring in a vertical direction for clamping and fixing the nylon hose, and the first clamping ring and the second clamping ring are arranged opposite to each other, and a detachable mounting seat for installing a sensor is provided at the center in the length direction of the connecting shell, and one end of the mounting seat is tightly connected to the connecting shell, and a soft protective sleeve is provided in the middle of the mounting seat, and both ends of the protective sleeve are fixedly connected to the mounting seat. The present invention solves the problem that the mud hose cannot stably install the sensor, and at the same time, the mounting seat for installing the sensor is easy to install and disassemble, and the connection is stable and reliable; at the same time, it has a protective effect on the sensor and increases the service life of the sensor.

Description

Technical Field

[0001] The invention belongs to the technical field of coal mining, and in particular relates to a mounting joint for a coal mine drilling measurement sensor. Background Art

[0002] In the early stage of coal mining, it is necessary to drill the coal mine channel through the drilling equipment. In order to improve the stability of the drilling process and facilitate the detection of the pressure of the mud discharged during the drilling process, it is necessary to install corresponding sensors in the middle of the mud transportation pipeline for detection. When drilling on the coal mine ground, the mud pump and the faucet are connected by a water hose, and it is impossible to install the wireless drilling measurement instrument pressure sensor. Summary of the Invention

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a mounting joint for a coal mine drilling measurement sensor to solve the problems raised in the above background technology.

[0004] The object of the present invention can be achieved by the following technical solution: a joint for installing a coal mine drilling measurement sensor, comprising a connecting shell, a central through hole of the connecting shell passing through two sides, both sides of which are provided with a joint connecting pipe connected to a nylon hose, the connecting pipe being provided with a first clamping ring and a second clamping ring in a vertical direction for clamping and fixing the nylon hose, the first clamping ring and the second clamping ring being arranged opposite to each other, and having the same structure;

[0005] A detachable mounting base for installing a sensor is provided at the center of the length direction of the connecting shell, one end of the mounting base is tightly connected to the connecting shell, a soft protective cover is provided in the middle of the mounting base, both ends of the protective cover are fixedly connected to the mounting base, a slidable protective baffle is symmetrically provided on the side of the other end of the mounting base, and a cylindrical support for accommodating the mounting base is provided on the side of the connecting shell near the protective baffle, and the cylindrical support is loosely fitted with the mounting base.

[0006] As a further solution of the present invention, the first clamping ring is in the shape of a semicircular ring, and protrusions are provided at both ends of the first clamping ring, and the protrusions are placed in the sliding grooves opened on the connecting shell. The first clamping ring is slidably connected to the connecting shell, and the first clamping ring and the second clamping ring are fastened by the threaded cooperation of the stud and the threaded pipe.

[0007] As a further solution of the present invention, a pressure block is provided on the inner circumference of the first pressing ring, and a cylindrical support annular groove for accommodating the pressure block is provided on the circumference of the connecting pipe close to the first pressing ring.

[0008] As a further solution of the present invention, the stud and the second clamping ring are welded and fixed, the threaded rod of the stud is slidably connected to the first clamping ring, the stud is threadedly connected to the threaded pipe, the upper end of the threaded pipe is welded and fixed to the turning handle, the turning handle is slidably connected to the limit block, the limit block is installed at the end of the slide groove, and the limit block is fixedly connected to the connecting shell.

[0009] As a further solution of the present invention, a peephole for observing the inner cavity of the connecting shell is provided at the center position of the upper side of the connecting shell, and tempered glass is installed in the peephole.

[0010] As a further solution of the present invention, one end of the mounting seat is provided with an external thread, the mounting seat is threadedly connected to the connecting shell, a shoulder is provided near the external thread end of the mounting seat, a first sealing ring is installed on the shoulder near the external thread side, and the other side of the first sealing ring is in contact with the inner wall of the connecting shell.

[0011] As a further solution of the present invention, the cylindrical support is symmetrically provided with grooves for accommodating the protective baffle along the length direction of the connecting shell, the protective baffle is slidingly connected to the cylindrical support, a spring is provided between the protective baffle and the cylindrical support, and the two ends of the spring are fixedly connected to the protective baffle and the cylindrical support respectively.

[0012] As a further solution of the present invention, rectangular grooves are symmetrically distributed on the flange near the end of the mounting seat.

[0013] Beneficial effects of the present invention: The present invention provides a mounting joint for a coal mine drilling measurement sensor, which solves the problem that the mud hose cannot stably install the sensor. At the same time, the mounting base for installing the sensor is easy to install and disassemble, and the connection is stable and reliable; the soft material arranged in the middle of the mounting base can not only effectively transmit the mud impact pressure to the sensor, but also has a protective effect on the sensor and increases the service life of the sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 is a cross-sectional view of the present invention;

[0017] Figure 3 It is a structural schematic diagram of the mounting base of the present invention;

[0018] Figure 4 is a cross-sectional view of the connection between the threaded tube and the rotating handle of the present invention;

[0019] Figure 5 is a structural schematic diagram of the first compression ring of the present invention;

[0020] In the figure: connecting pipe-1, stud-2, first clamping ring-3, threaded pipe-4, second clamping ring-5, limit block-6, turning handle-7, connecting shell-8, peephole-9, protective baffle-10, cylindrical support-11, sensor-12, spring-13, mounting seat-14, cover-15, connecting hole-16, protective sleeve-17, first sealing ring-21, second sealing ring-22, polyurethane block-23, protrusion-32, pressure block-33, external thread-141, shaft shoulder-142, rectangular groove-143, annular groove-111, slide groove-81. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0022] See also Figures 1 to 5 In an embodiment of the present invention, a joint for installing a coal mine drilling measurement sensor includes a connecting shell 8, the central through hole of the connecting shell 8 passes through both sides, and both sides are provided with a joint connecting pipe 1 for connecting a nylon hose, the connecting pipe 1 is provided with a first clamping ring 3 and a second clamping ring 5 for clamping and fixing the nylon hose in the vertical direction, the first clamping ring 3 and the second clamping ring 5 are arranged opposite to each other, and the first clamping ring 3 and the second clamping ring 5 have the same structure; a detachable mounting seat 14 for mounting a sensor 12 is provided at the center of the length direction of the connecting shell 8, one end of the mounting seat 14 is tightly connected to the connecting shell 8, a soft protective sleeve 17 is provided in the middle of the mounting seat 14, and both ends of the protective sleeve 17 are fixedly connected to the mounting seat 14, and a slidable protective baffle 10 is symmetrically provided on the side of the other end of the mounting seat 14, and a cylindrical support 11 for accommodating the mounting seat 14 is provided on the side of the connecting shell 8 near the protective baffle 10, and the cylindrical support 11 is loosely fitted with the mounting seat 14.

[0023] During coal mine construction, the nylon hose is installed on the connecting pipe 1, and is clamped and fixed by the first clamping ring 3 and the second clamping ring 5 to prevent it from falling off. The sensor 12 is installed in the mounting seat 14, and the mounting seat 14 is installed in one end of the connecting shell 8 for fixation. The middle part of the mounting seat 14 is a protective sleeve 17 made of soft material. When the mud passes through the connecting shell 8, it impacts the sensor 12 installed in the protective sleeve 17. The protective sleeve 17 has a waterproof function and is highly elastic. The elastic resistance of the protective sleeve 17 itself can be ignored. The protective sleeve 17 protects the sensor 12. The sensor 12 detects the mud pressure fluctuations in the pipeline. After the pump is turned on, the underground wireless downhole measurement instrument generates pressure fluctuations to form pressure waves carrying information. The pressure sensor detects the mud pressure fluctuations, decodes them through the ground computer decoding system, and detects coal mine drilling.

[0024] The first clamping ring 3 is in the shape of a semicircular ring, and a protrusion 32 is provided at both ends of the first clamping ring 3, and the protrusion 32 is placed in the slide groove 81 opened on the connecting shell 8. The first clamping ring 3 and the second clamping ring 5 are both slidably connected to the connecting shell 8. The first clamping ring 3 and the second clamping ring 5 are tightened by threaded cooperation of the stud 2 and the threaded tube 4. The nylon hose is put on the connecting pipe 1, and the two ends of the first clamping ring 3 and the second clamping ring 5 are in contact. By rotating the threaded tube 4, the first clamping ring 3 and the second clamping ring 5 are fastened together by the stud 2 and the threaded tube 4, and the nylon hose is fastened to the connecting pipe 1. Some of them are embodiments, and a connector is installed on the nylon hose, which can be fixedly connected by a threaded connection, or directly fixed and fastened by a steel wire.

[0025] Preferably, a pressure block 33 is provided on the inner circumference of the first clamping ring 3, and an annular groove 111 for accommodating the pressure block 33 is opened on the circumference of the connecting pipe 1 close to the first clamping ring 3, thereby increasing the contact area and friction and improving the stability of the nylon hose connection.

[0026] The stud 2 and the second clamping ring 5 are welded and fixed. Figure 1 As shown, the screw of the stud 2 is slidably connected to the first clamping ring 3, the stud 2 is threadedly connected to the threaded tube 4, the upper end of the threaded tube 4 is welded and fixed to the turning handle 7, the turning handle 7 is slidably connected to the limit block 6, the limit block 6 is installed at the end of the slide groove 81, and the limit block 6 is fixedly connected to the connecting shell 8. The loosening and tightening of the first clamping ring 3 and the second clamping ring 5 are controlled by rotating the turning handle 7. The limit block 6 plays a limiting role on the first clamping ring 3 and the second clamping ring 5 to prevent the first clamping ring 3 and the second clamping ring 5 from falling out, thereby improving the convenience of operation.

[0027] Preferably, a peephole 9 for observing the inner cavity of the connecting shell 8 is provided at the center position of the upper side of the connecting shell 8, and tempered glass is installed in the peephole 9. Figure 1As shown, it is convenient to observe the situation inside the connection shell 8 and to troubleshoot and detect abnormal problems. The tempered glass has high strength and good impact resistance.

[0028] One end of the mounting seat 14 is provided with an external thread 141, and the mounting seat 14 is threadedly connected to the connecting shell 8. The mounting seat 14 is provided with a shaft shoulder 142 near the external thread 141. The shaft shoulder 142 is provided with a first sealing ring 21 near the side of the external thread 141. The other side of the first sealing ring 21 is in contact with the inner wall of the connecting shell 8. A second sealing ring 22 is provided at the connection between the mounting seat 14 and the connecting shell 8. Figure 2 and 3 As shown, the first sealing ring 21 and the second sealing ring 22 play the role of sealing and isolation to prevent mud from causing rust on the external thread 141, which is not convenient for disassembly. A cover plate 15 is welded on the upper side of the connecting hole 16 to ensure the airtightness in the connecting shell 8. After the sensor 12 is inserted into the mounting seat 14, a polyurethane stopper 23 is provided at the lower end of the sensor 12 to clamp and fix the sensor 12 to prevent the sensor 12 from being impacted and moving in the mounting seat 14, which affects the detection accuracy of the sensor 12.

[0029] The cylindrical support 11 is symmetrically provided with grooves for accommodating the protective baffle 10 along the length direction of the connecting shell 8. The protective baffle 10 is slidably connected to the cylindrical support 11. A spring 13 is provided between the protective baffle 10 and the cylindrical support 11. The two ends of the spring 13 are fixedly connected to the protective baffle 10 and the cylindrical support 11 respectively. A semicircular hole is provided at the center of the protective baffle 10 for accommodating the data line of the sensor 12. Under the action of the elastic traction of the peephole 9, the centers of the protective baffles 10 on both sides cooperate and contact, which plays a role in limiting and fixing the mounting seat 14 and the sensor 12. At the same time, due to the open-air construction environment, dust and rain are prevented from invading the mounting seat 14 and damaging the sensor 12. Figure 1 As shown, the upper side of the protective baffle 10 is provided with 09, which has a protective effect.

[0030] Rectangular grooves 143 are symmetrically distributed on the flange at the other end of the mounting seat 14 for installation and removal of the mounting seat 14 , and special tools are used for easy operation.

[0031] The working principle of the present invention is: the two ends of the connecting shell 8 are connected to the nylon hose, and are clamped and fixed by the first clamping ring 3 and the second clamping ring 5. A mounting seat 14 for installing the sensor 12 is provided in the center of the connecting shell 8. The middle part of the mounting seat 14 adopts a protective sleeve 17 made of soft material, which can transmit the mud impact pressure to the sensor 12. One end of the mounting seat 14 is fixed to the connecting shell 8 by a thread, which is convenient for disassembly and installation. The other end of the mounting seat 14 is stacked into a slidable protective baffle 10 for protection, which reduces damage to the sensor 12.

[0032] In the description of the present invention, it should be understood that the terms "up", "down", "left", "right", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed or operate in a specific direction. Therefore, they cannot be understood as limiting the present invention.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the quantity of the technical features indicated. In the description of the present invention, "several" means two or more, unless otherwise specifically defined.

[0034] Those skilled in the art will appreciate that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the present invention. Therefore, the embodiments should be considered as instructive and non-restrictive in all respects. The scope of the present invention is defined by the appended claims, not the foregoing description. These embodiments are merely preferred embodiments of the present invention and are not intended to limit the present invention. All modifications, equivalent substitutions, improvements, etc. that fall within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A joint for installing a coal mine drilling measurement sensor, comprising a connecting shell (8), wherein a central through hole of the connecting shell (8) passes through two sides, and both sides are provided with a joint connecting pipe (1) connected to a nylon hose, characterized in that: The connecting pipe (1) is provided with a first clamping ring (3) and a second clamping ring (5) in the vertical direction for clamping and fixing the nylon hose, the first clamping ring (3) and the second clamping ring (5) are arranged opposite to each other, and the first clamping ring (3) and the second clamping ring (5) have the same structure; A detachable mounting seat (14) for mounting a sensor (12) is provided at the center of the length direction of the connecting shell (8); one end of the mounting seat (14) is tightly connected to the connecting shell (8); a soft protective sleeve (17) is provided in the middle of the mounting seat (14); both ends of the protective sleeve (17) are fixedly connected to the mounting seat (14); a slidable protective baffle (10) is symmetrically provided on the side of the other end of the mounting seat (14); a cylindrical support (11) for accommodating the mounting seat (14) is provided on the side of the connecting shell (8) close to the protective baffle (10); the cylindrical support (11) and the mounting seat (14) are loosely matched; when the fluid passes through the connecting shell (8), it impacts the sensor (12) installed in the protective sleeve (17), and the fluid pressure fluctuation of the pipeline is detected by the sensor (12).

2. The installation joint for coal mine drilling measurement sensor according to claim 1, characterized in that: The first clamping ring (3) is in the shape of a semicircular ring. Both ends of the first clamping ring (3) are provided with protrusions (32), and the protrusions (32) are placed in sliding grooves (81) provided on the connecting shell (8). The first clamping ring (3) is slidably connected to the connecting shell (8). The first clamping ring (3) and the second clamping ring (5) are fastened by threaded matching of the stud (2) and the threaded tube (4).

3. The installation joint for coal mine drilling measurement sensor according to claim 2, characterized in that: A pressing block (33) is provided on the inner circumference of the first pressing ring (3), and a cylindrical support annular groove (111) for accommodating the pressing block (33) is provided on the circumference of the connecting pipe (1) near the first pressing ring (3).

4. The installation joint for coal mine drilling measurement sensor according to claim 2, characterized in that: The stud (2) and the second clamping ring (5) are welded and fixed, the threaded rod of the stud (2) is slidably connected to the first clamping ring (3), the stud (2) is threadedly connected to the threaded tube (4), the upper end of the threaded tube (4) is welded and fixed to the turning handle (7), the turning handle (7) is slidably connected to the limit block (6), the limit block (6) is installed at the end of the slide groove (81), and the limit block (6) is fixedly connected to the connecting shell (8).

5. The sensor installation joint for coal mine drilling measurement according to claim 1, characterized in that: A peephole (9) for observing the inner cavity of the connecting shell (8) is provided at the center position of the upper side of the connecting shell (8), and tempered glass is installed in the peephole (9).

6. The sensor installation joint for coal mine drilling measurement according to claim 1, characterized in that: An external thread (141) is provided at one end of the mounting seat (14), and the mounting seat (14) is threadedly connected to the connecting shell (8). An end of the mounting seat (14) close to the external thread (141) is provided with a shaft shoulder (142), and a first sealing ring (21) is installed on the side of the shaft shoulder (142) close to the external thread (141), and the other side of the first sealing ring (21) is in contact with the inner wall of the connecting shell (8).

7. The sensor installation joint for coal mine drilling measurement according to claim 6, characterized in that: The cylindrical support (11) is symmetrically provided with a groove for accommodating the protective baffle (10) along the length direction of the connecting shell (8); the protective baffle (10) is slidably connected to the cylindrical support (11); a spring (13) is provided between the protective baffle (10) and the cylindrical support (11); and two ends of the spring (13) are respectively fixedly connected to the protective baffle (10) and the cylindrical support (11).

8. The installation joint for coal mine drilling measurement sensor according to claim 7, characterized in that: Rectangular grooves (143) are symmetrically distributed on the flange of the mounting seat (14) close to the protective baffle (10).

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