CN113503146A - Deep coal bed gas exploitation air pressure measuring device - Google Patents
Deep coal bed gas exploitation air pressure measuring device Download PDFInfo
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- CN113503146A CN113503146A CN202110899648.7A CN202110899648A CN113503146A CN 113503146 A CN113503146 A CN 113503146A CN 202110899648 A CN202110899648 A CN 202110899648A CN 113503146 A CN113503146 A CN 113503146A
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- 239000003245 coal Substances 0.000 title claims abstract description 45
- 238000009434 installation Methods 0.000 claims abstract description 37
- 230000008093 supporting effect Effects 0.000 claims description 144
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 30
- 238000004804 winding Methods 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000005065 mining Methods 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 2
- 238000009530 blood pressure measurement Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 32
- 230000001681 protective effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/006—Production of coal-bed methane
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Remote Sensing (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the technical field of coal bed gas exploitation, in particular to a deep coal bed gas exploitation gas pressure measuring device, which comprises an installation bedplate; a furling structure is arranged on the top side of the mounting bedplate; an extension structure is arranged on the furling structure; a connecting structure is arranged on the inner side of the extending structure; the bottom side of installation platen is equipped with bearing structure, bearing structure is last to be equipped with accomodates the structure, carry out roll-up and release to the cable through roll-up structure, guarantee the release state of cable simultaneously, go deep into the mine bottom through the extension structure and carry out pressure measurement, form the protection to the cable simultaneously, make the slip between first support shell and second support shell and the cable more smooth through connection structure, make the protection to the cable more comprehensive simultaneously, come to support the structure through bearing structure, conveniently tighten and measure work the cable, conveniently accomodate first bracing piece and second bracing piece through accomodating the structure, convenient transportation.
Description
Technical Field
The invention relates to the technical field of coal bed gas exploitation, in particular to a deep coal bed gas exploitation gas pressure measuring device.
Background
The coal bed gas is a gas resource associated with coal and symbiotic with the coal, refers to hydrocarbon gas stored in a coal bed, takes methane as a main component, and belongs to unconventional natural gas. The coal bed gas mainly adsorbs the surfaces of coal matrix particles, and part of the hydrocarbon gas is dissociated in coal pores or dissolved in coal bed water, is an associated mineral resource of coal, and is a clean and high-quality energy and chemical raw material which rises internationally in nearly twenty years. The coal bed gas is commonly called as 'gas', the heat value is 1-4 times higher than that of general coal, the heat value of 1 cubic meter of pure coal bed gas is equivalent to 1.13kg of gasoline and 1.21kg of standard coal, the heat value of the coal bed gas is equivalent to that of natural gas, the coal bed gas can be mixed with the natural gas for transportation and use, the coal bed gas is clean after combustion, almost no waste gas is generated during combustion, and the coal bed gas is a superior industrial, chemical, power generation and resident life fuel. Coal bed gas is an associated resource of coal mines, but can cause risks such as explosion and the like, and in order to avoid the situations, the underground coal bed gas pressure needs to be measured after the drilling of a mine is completed.
However, in order to obtain the measurement data, the measurement sensor and the connection cable are usually required to be placed inside a mine for measurement, and the cable is usually flexible, is easily blocked and damaged during releasing and recovering processes, and affects the measurement of the data, and meanwhile, the required cable is usually large in length and inconvenient to roll up.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a deep coal bed methane exploitation gas pressure measuring device.
The technical scheme adopted by the invention for solving the technical problems is as follows: a gas pressure measuring device for deep coal bed gas exploitation comprises an installation bedplate; a furling structure is arranged on the top side of the mounting bedplate; an extension structure is arranged on the furling structure; a connecting structure is arranged on the inner side of the extending structure; the bottom side of installation platen is equipped with bearing structure, the last structure of accomodating that is equipped with of bearing structure.
Specifically, the roll-up structure is including supporting the curb plate, the both sides of installation platen are fixedly connected with respectively and support the curb plate, two it is connected with the roll-up roller to rotate between the support curb plate, shaft coupling fixedly connected with motor is passed through to one side of roll-up roller, the motor rotates between with the support curb plate and is connected, fixedly connected with cable on the roll-up roller, the through hole has been seted up on the installation platen, the cable runs through the installation platen through the through hole, fixedly connected with ratchet on the roll-up roller, the side meshing of ratchet has the fixture block, fixture block and support curb plate sliding connection, just the first spring of fixedly connected with between fixture block and the support curb plate, the side sliding connection who supports the curb plate has the conflict slide bar, the tip and the fixture block counterbalance of conflict slide bar.
Specifically, the extension structure includes the sensor body, the tip electric connection of cable has the sensor body, the side of cable is equipped with first support shell and second support shell, rotate between first support shell and the second support shell and connect, the tip fixedly connected with of cable supports the touch multitouch, the inboard sliding connection that the second supported the shell has the slip hook piece, fixedly connected with second spring between slip hook piece and the second support shell, the draw-in groove has been seted up to the side of first support shell, the slip hook piece passes through the draw-in groove and the first looks block of supporting between the shell.
Specifically, connection structure is including the grafting piece, a plurality of grafting pieces of side fixedly connected with of cable, and adjacent distance between the grafting piece equals and is less than the length of first support shell, the side roll connection of grafting piece has the ball, the inboard sliding connection of grafting piece through ball and first support shell and second support shell, the tip sliding connection of first support shell and second support shell has the buffering post, first support shell and second support shell respectively with the buffering post between the fixedly connected with fourth spring that corresponds.
Specifically, the supporting structure comprises a first supporting rod and a second supporting rod, the bottom side of the installation platen is respectively connected with the first supporting rod and the second supporting rod in a rotating mode, the first supporting rod and the second supporting rod are symmetrically arranged, gear rings are fixedly connected to the end portions of the first supporting rod and the second supporting rod respectively, the gear rings are mutually meshed, limiting blocks are fixedly connected to the side faces of the first supporting rod and the second supporting rod respectively, and blocking blocks are arranged on the bottom side of the installation platen.
Specifically, the accommodating structure comprises a third spring, the third spring is fixedly connected between the first supporting rod and the second supporting rod, the side face of the first supporting rod is rotatably connected with a hanging rod, a torsion spring is fixedly connected between the hanging rod and the first supporting rod, and an arc-shaped groove is formed in the side face of the second supporting rod.
The invention has the beneficial effects that:
(1) according to the deep coal bed gas exploitation gas pressure measuring device, the top side of the installation bedplate is provided with the winding structure; carry out the roll-up and release to the cable through the roll-up structure, guarantee the release state of cable simultaneously, promptly: firstly, with motor and external power source electric connection, a cable for going deep into the mine bottom is rolled up through the roll-up roller, the user can release and roll up the cable through the drive of motor, in order to make the cable lead to the fact the gyration owing to the quality of cable self is too big when rolling up, be equipped with ratchet and fixture block between roll-up roller and the support curb plate, make the motor only can drive the roll-up roller and carry out unidirectional rotation, and simultaneously, the tip fixedly connected with conflict slide bar of fixture block, the user can relieve the engaged state between fixture block and the ratchet through the pulling conflict slide bar, conveniently release the cable, on the other hand, the through hole has been seted up on the installation platen, need run through the installation platen with the cable through the through hole during use, thereby guarantee that the cable can be more orderly roll up.
(2) According to the deep coal bed gas exploitation gas pressure measuring device, the winding structure is provided with the extending structure; a connecting structure is arranged on the inner side of the extending structure; go deep into the mine bottom through extending the structure and carry out pressure measurement, form the protection to the cable simultaneously, make first support shell and second support the slip between shell and the cable more smooth through connection structure, make the protection to the cable more comprehensive simultaneously, promptly: when the cable is released, firstly, the end part of the cable is electrically connected with the sensor body, then, the sensor body is firstly placed in a mine, then, in order to protect the cable, the anti-interference capability of the cable is improved, after a user passes the cable through the installation bedplate, the sleeve formed by the first support shell and the second support shell is sleeved on the cable, the cable can keep a vertical state through the supporting function of the first support shell and the second support shell, meanwhile, the interference of the terrain factors in the falling process is reduced, meanwhile, the internal cable is protected, the first support shell and the second support shell which are installed are clamped and connected through the sliding hook block, the cable is convenient to take down and install, meanwhile, the contact block arranged at the bottom end of the cable can form a support for the protective sleeve structure above and protect the sensor body at the bottom side, the side that is located the cable is equipped with the cup joint piece, the inboard slip that the ball that the cup joint piece passes through the side and first support shell and second support shell, because the irregular structure of cup joint piece, make first support shell and second support shell can not take place to rotate when taking place the gliding on the cable, guarantee the uniformity of connecting, promote the protective capacities to inboard cable, the bottom that first support shell and second support shell simultaneously is equipped with the cushion column, play the cushioning effect to first support shell and second support shell, avoid appearing damaging.
(3) According to the deep coal bed gas exploitation gas pressure measuring device, a supporting structure is arranged on the bottom side of the installation bedplate, and a containing structure is arranged on the supporting structure; come to support the structure through bearing structure, conveniently tighten the cable and carry out measurement work, accomodate first bracing piece and second bracing piece through accomodating the structure convenience, convenient transportation, promptly: after releasing the cable, in order to continuously play the role of electrical connection, a user needs to roll up the cable through a motor and further tighten the cable gradually, in the process, the protective sleeves formed by the first supporting shell and the second supporting shell are also in close contact end to end, so that the protective effect on the inner side cable is further realized, in order to provide the integral supporting effect, the bottom side of the mounting bedplate is provided with a first supporting rod and a second supporting rod which are firmly fixed with the mounting ground, so that the rolling and tightening effects of the cable can be guaranteed, the first supporting rod and the second supporting rod are meshed through a gear ring, so that the first supporting rod and the second supporting rod rotate synchronously, meanwhile, the maximum rotating angle between the first supporting rod and the second supporting rod can be limited through the arrangement of a limiting block and a blocking block, and after the mounting is finished, the user can connect the top end of the cable with related equipment and mount the cable, carry out the pressure measurement work of coal bed gas, be connected with the third spring between first bracing piece and the second bracing piece for make things convenient for the expansion between first bracing piece and the second bracing piece, and when needing to receive first bracing piece and second bracing piece, the user need rotate the slip hook piece, and make the tip of slip hook piece slide to the tip of the arc wall seted up on the second bracing piece can, convenient transportation.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a structural diagram illustrating an overall structure of a preferred embodiment of an apparatus for measuring a gas pressure in deep coal bed methane mining according to the present invention;
FIG. 2 is a schematic view of a connection structure between the retraction structure and the extension structure shown in FIG. 1;
FIG. 3 is an enlarged view of the part A shown in FIG. 2; (where A is)
FIG. 4 is a schematic view of the extended structure shown in FIG. 1;
FIG. 5 is a schematic view showing a coupling structure of the first and second supporting cases shown in FIG. 4;
FIG. 6 is a schematic view of a connection of the extension and connection shown in FIG. 4;
FIG. 7 is a schematic view of the connection of the mounting deck and the support structure shown in FIG. 1;
figure 8 is a schematic view of the connection structure of the support structure and the receiving structure shown in figure 1,
FIG. 9 is a schematic view of the connection of the mounting platen and the retraction mechanism of FIG. 1;
fig. 10 is a schematic structural view of the furling structure shown in fig. 1.
In the figure: 1. the mounting table plate comprises a mounting table plate, 2, a winding structure, 21, a supporting side plate, 22, a winding roller, 23, a motor, 24, a cable, 25, a ratchet wheel, 26, a clamping block, 27, a first spring, 28, an abutting sliding rod, 29, a through hole, 3, an extending structure, 31, a sensor body, 32, a first supporting shell, 33, a second supporting shell, 34, an abutting block, 35, a sliding hook block, 36, a second spring, 37, a clamping groove, 4, a supporting structure, 41, a first supporting rod, 42, a second supporting rod, 43, a limiting block, 44, a gear ring, 45, a blocking block, 5, a containing structure, 51, a third spring, 52, a hanging rod, 53, a torsion spring, 54, an arc-shaped groove, 6, a connecting structure, 61, a sleeve block, 62, a ball, 63, a buffer column, 64 and a fourth spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-10, the deep coal bed methane production gas pressure measuring device of the invention comprises a mounting bedplate 1; the top side of the mounting bedplate 1 is provided with a furling structure 2; the furling structure 2 is provided with an extension structure 3; the inner side of the extension structure 3 is provided with a connecting structure 6; the bottom side of the installation bedplate 1 is provided with a supporting structure 4, and the supporting structure 4 is provided with a storage structure 5.
Specifically, the furling structure 2 comprises supporting side plates 21, the two sides of the installation bedplate 1 are respectively and fixedly connected with the supporting side plates 21, a furling roller 22 is rotatably connected between the two supporting side plates 21, one side of the furling roller 22 is fixedly connected with a motor 23 through a coupler, the motor 23 is rotatably connected with the supporting side plate 21, the winding roller 22 is fixedly connected with a cable 24, the mounting bedplate 1 is provided with a through hole 29, the cable 24 penetrates through the mounting bedplate 1 through a through hole 29, a ratchet wheel 25 is fixedly connected on the take-up roller 22, a block 26 is engaged with the side surface of the ratchet wheel 25, the block 26 is connected with the support side plate 21 in a sliding way, a first spring 27 is fixedly connected between the fixture block 26 and the support side plate 21, an abutting slide rod 28 is slidably connected to the side surface of the support side plate 21, and the end of the abutting slide rod 28 abuts against the fixture block 26; and then through roll-up structure 2 rolls up and releases the cable, guarantees the release state of cable simultaneously, promptly: firstly, the motor 23 is electrically connected with an external power supply, the cable 24 penetrating into the bottom of the mine is wound by the winding roller 22, a user can release and wind the cable 24 by driving the motor 23, in order to make the cable rotate due to the over-large mass of the cable when winding, the ratchet wheel 25 and the fixture block 25 are arranged between the winding roller 22 and the supporting side plate 21, so that the motor 23 can only drive the winding roller 22 to rotate in one direction, meanwhile, the end of the fixture block 26 is fixedly connected with the collision sliding rod 28, the user can release the engagement state between the fixture block 26 and the ratchet wheel 25 by pulling the collision sliding rod 28, so as to release the cable 24 conveniently, on the other hand, the mounting bedplate 1 is provided with a through hole 29, and when in use, the cable 24 needs to penetrate through the mounting bedplate 1 through the through hole 29, thereby ensuring that the cable 24 can be wound more neatly.
Specifically, the extension structure 3 includes a sensor body 31, an end portion of the cable 24 is electrically connected to the sensor body 31, a side surface of the cable 24 is provided with a first supporting shell 32 and a second supporting shell 33, the first supporting shell 32 and the second supporting shell 33 are rotatably connected, an end portion of the cable 24 is fixedly connected to a contact block 34, an inner side of the second supporting shell 33 is slidably connected to a sliding hook block 35, a second spring 36 is fixedly connected between the sliding hook block 35 and the second supporting shell 33, a side surface of the first supporting shell 32 is provided with a clamping groove 37, and the sliding hook block 35 is clamped with the first supporting shell 32 through the clamping groove 37; and then go deep into the mine bottom through extension structure 3 and carry out pressure measurement, form the protection to the cable simultaneously, promptly: when the cable 24 is released, firstly, the sensor body 31 needs to be electrically connected to the end of the cable 24, then the sensor body 31 is firstly placed in the mine, then in order to protect the cable 24 itself and simultaneously improve the anti-interference capability of the cable 24, after the user passes the cable 24 through the installation bedplate 1, the sleeve formed by the first support shell 32 and the second support shell 33 needs to be sleeved on the cable 24, the cable 24 can keep a vertical state through the supporting action of the first support shell 32 and the second support shell 33, simultaneously the interference of the terrain factors during the falling process is reduced, simultaneously the cable 24 inside is protected, and the first support shell 32 and the second support shell 33 which are installed are in a clamping connection through the sliding hook block 35, the sensor is convenient to take down and install, and meanwhile, the contact block 34 arranged at the bottom end of the cable 24 can support a protective sleeve structure above and protect the sensor body 1 at the bottom side.
Specifically, the connecting structure 6 includes a sleeving block 61, a plurality of sleeving blocks 61 are fixedly connected to a side surface of the cable 24, a distance between adjacent sleeving blocks 61 is equal and smaller than a length of the first supporting shell 32, a ball 62 is connected to a side surface of each sleeving block 61 in a rolling manner, the sleeving blocks 61 are slidably connected to inner sides of the first supporting shell 32 and the second supporting shell 33 through the ball 62, buffer columns 63 are slidably connected to end portions of the first supporting shell 32 and the second supporting shell 33, and fourth springs 64 are fixedly connected between the first supporting shell 32 and the second supporting shell 33 and the corresponding buffer columns 63 respectively; the sliding between the first and second supporting shells 32, 33 and the cable 24 is thus made smoother by the connection structure 6, while making the protection for the cable 24 more comprehensive, that is: be located the side of cable 24 is equipped with the grafting piece 61, the grafting piece 61 is through the side ball 62 with first support shell 32 with the inboard of second support shell 33 slides, because the irregular structure of grafting piece 61 makes first support shell 32 with second support shell 33 is in can not take place to rotate when taking place to slide on the cable 24, guarantees the uniformity of connecting, promotes to the inboard the protective capacities of cable 24, simultaneously first support shell 32 with the bottom of second support shell 33 is equipped with buffer column 63 plays to first support shell 32 with the cushioning effect of second support shell 33 avoids appearing damaging.
Specifically, the supporting structure 4 includes a first supporting rod 41 and a second supporting rod 42, the bottom side of the installation bedplate 1 is respectively and rotatably connected with the first supporting rod 41 and the second supporting rod 42, the first supporting rod 41 and the second supporting rod 42 are symmetrically arranged, the end portions of the first supporting rod 41 and the second supporting rod 42 are both fixedly connected with gear rings 44, the two gear rings 44 are mutually engaged, the side surfaces of the first supporting rod 41 and the second supporting rod 42 are respectively and fixedly connected with limiting blocks 43, and the bottom side of the installation bedplate 1 is provided with a blocking block 45; the structure is further supported by the support structure 4, so that the cable 24 is conveniently tightened and measured, namely: after releasing the cable 24, in order to enable the cable 24 to continuously function as an electrical connection, a user needs to roll up the cable 24 by the motor 23, and then the cable 24 is gradually tightened, in this process, the protective sleeves formed by the first supporting shell 32 and the second supporting shell 33 are also tightly abutted end to end, so as to achieve a protective effect on the inner side of the cable 24, and in order to provide an overall supporting effect, the first supporting rod 41 and the second supporting rod 42 are arranged on the bottom side of the installation bedplate 1 and are firmly fixed to the installation ground, so that the rolling up and tightening effects of the cable 24 can be guaranteed, the first supporting rod 41 and the second supporting rod 42 are engaged with each other through the gear ring 44, so that the first supporting rod 41 and the second supporting rod are synchronously rotated, and meanwhile, the first supporting rod 41 and the second supporting rod 41 can be synchronously rotated through the arrangement of the limiting block 43 and the blocking block 45 The maximum rotation angle between the support rods 42 is limited, and after the installation is completed, a user can connect and install the top end of the cable 24 and related equipment to perform the pressure detection work of the coal bed gas.
Specifically, the accommodating structure 5 includes a third spring 51, the third spring 51 is fixedly connected between the first support rod 41 and the second support rod 42, a hanging rod 52 is rotatably connected to a side surface of the first support rod 41, a torsion spring 53 is fixedly connected between the hanging rod 52 and the first support rod 41, and an arc-shaped groove 54 is formed in a side surface of the second support rod 42; and then through the structure 5 of accomodating conveniently accomodate first bracing piece 41 with second bracing piece 42, convenient transportation, promptly: the third spring 51 is connected between the first support rod 41 and the second support rod 42, so that the first support rod 41 and the second support rod 42 are conveniently unfolded, and when the first support rod 41 and the second support rod 42 are folded, a user needs to rotate the sliding hook block 35, and the end part of the sliding hook block 35 slides to the end part of the arc-shaped groove 54 formed in the second support rod 42, so that the transportation is convenient.
When the invention is used, firstly, the motor 23 is electrically connected with an external power supply, the cable 24 which is used for penetrating into the bottom of a mine is reeled by the reeling roller 22, a user can release and reel the cable 24 by the driving of the motor 23, in order to enable the cable to rotate due to the overlarge mass of the cable when being reeled, a ratchet wheel 25 and a fixture block 25 are arranged between the reeling roller 22 and the supporting side plate 21, so that the motor 23 can only drive the reeling roller 22 to rotate in a single direction, meanwhile, the end part of the fixture block 26 is fixedly connected with a collision sliding rod 28, the user can release the meshing state between the fixture block 26 and the ratchet wheel 25 by pulling the collision sliding rod 28, the cable 24 is conveniently released, on the other hand, a through hole 29 is arranged on the installation bedplate 1, the cable 24 needs to penetrate through the installation bedplate 1 through the through hole 29 when in use, thereby ensuring that the cable 24 can be reeled more orderly, when the cable 24 is released, firstly, the end of the cable 24 needs to be electrically connected with the sensor body 31, then the sensor body 31 is firstly placed in the mine, then in order to protect the cable 24 itself and simultaneously improve the anti-interference capability of the cable 24, after the cable 24 passes through the installation bedplate 1, a user needs to sleeve a sleeve formed by the first supporting shell 32 and the second supporting shell 33 on the cable 24, through the supporting function of the first supporting shell 32 and the second supporting shell 33, the cable 24 can keep a vertical state, simultaneously the interference of the terrain factors during the falling process is reduced, and simultaneously the cable 24 itself in the interior is protected, after the sensor body 31 is completely placed at the lower part of the shaft, an operator on the ground can operate the sensor body 31 through the cable 24 to obtain the bottom hole pressure information data, the detection work of the bottom hole pressure is realized, the first supporting shell 32 and the second supporting shell 33 which are installed are clamped and connected through the sliding hook block 35, the taking down and the installation are convenient, meanwhile, the abutting block 34 arranged at the bottom end of the cable 24 can support a protective sleeve structure above and protect the sensor body 1 at the bottom side, the sleeving block 61 is arranged on the side surface of the cable 24, the sleeving block 61 slides with the inner sides of the first supporting shell 32 and the second supporting shell 33 through the ball 62 on the side surface, due to the irregular structure of the sleeving block 61, the first supporting shell 32 and the second supporting shell 33 cannot rotate when sliding on the cable 24, the consistency of the connection is ensured, the protection capability of the inner side cable 24 is improved, meanwhile, the buffer columns 63 are arranged at the bottom ends of the first supporting shell 32 and the second supporting shell 33, the buffer effect of the first supporting shell 32 and the second supporting shell 33 is achieved, avoiding damage, after releasing the cable 24, in order to continuously play a role of electrical connection for the cable 24, the user needs to roll up the cable 24 by the motor 23, and further to tighten the cable 24 gradually, in this process, the protecting sleeves formed by the first supporting shell 32 and the second supporting shell 33 are also tightly abutted end to end, so as to achieve a protecting effect for the cable 24 on the inner side, and in order to provide an integral supporting effect, the bottom side of the installation bedplate 1 is provided with the first supporting rod 41 and the second supporting rod 42, which are fixedly connected with the installation ground, so that the cable 24 can be ensured to complete the rolling and tightening effects, the first supporting rod 41 and the second supporting rod 42 are engaged with each other through the gear ring 44, so that the first supporting rod 41 and the second supporting rod are rotated synchronously, and the maximum rotation angle between the first supporting rod 41 and the second supporting rod 42 can be limited by the setting of the limiting block 43 and the blocking block 45, after the installation is completed, the user can be connected the installation with the top of cable 24 and relevant equipment, carry out the pressure detection work of coal bed gas, be connected with third spring 51 between first bracing piece 41 and the second bracing piece 42, make things convenient for the expansion between first bracing piece 41 and the second bracing piece 42, and when needing to receive first bracing piece 41 and second bracing piece 42, the user need rotate slip hook piece 35, and make the tip of slip hook piece 35 slide to the tip of the arc wall 54 of seting up on the second bracing piece 42 can, convenient transportation.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The device for measuring the gas pressure in the deep coal bed gas exploitation is characterized by comprising an installation bedplate (1); a furling structure (2) is arranged on the top side of the mounting bedplate (1); an extension structure (3) is arranged on the furling structure (2); a connecting structure (6) is arranged on the inner side of the extending structure (3); the bottom side of the installation bedplate (1) is provided with a supporting structure (4), and the supporting structure (4) is provided with a storage structure (5).
2. The device for measuring the gas pressure in deep coal bed methane exploitation according to claim 1, wherein: the winding structure (2) comprises supporting side plates (21), two side plates (21) are fixedly connected with two sides of the installation platen (1) respectively and are connected with winding rollers (22) in a rotating mode between the supporting side plates (21), one side of each winding roller (22) is connected with a motor (23) through a coupler fixedly connected with, the motors (23) are connected with the supporting side plates (21) in a rotating mode, cables (24) are fixedly connected onto the winding rollers (22), through holes (29) are formed in the installation platen (1), and the cables (24) penetrate through the installation platen (1) through the through holes (29).
3. The deep coal bed methane mining air pressure measuring device of claim 2, wherein: the winding device is characterized in that a ratchet wheel (25) is fixedly connected to the winding roller (22), a clamping block (26) is meshed with the side face of the ratchet wheel (25), the clamping block (26) is in sliding connection with the supporting side plate (21), a first spring (27) is fixedly connected between the clamping block (26) and the supporting side plate (21), a collision sliding rod (28) is in sliding connection with the side face of the supporting side plate (21), and the end portion of the collision sliding rod (28) is abutted to the clamping block (26).
4. The deep coal bed methane mining air pressure measuring device of claim 2, wherein: the extension structure (3) comprises a sensor body (31), the end part of the cable (24) is electrically connected with the sensor body (31), the side surface of the cable (24) is provided with a first supporting shell (32) and a second supporting shell (33), the first supporting shell (32) and the second supporting shell (33) are rotatably connected, and the end part of the cable (24) is fixedly connected with a contact block (34).
5. The deep coal bed methane mining air pressure measuring device of claim 4, wherein: the inboard sliding connection of second support shell (33) has slip hook piece (35), fixedly connected with second spring (36) between slip hook piece (35) and second support shell (33), draw-in groove (37) have been seted up to the side of first support shell (32), slip hook piece (35) are through draw-in groove (37) and first support shell (32) between looks block.
6. The deep coal bed methane mining air pressure measuring device of claim 4, wherein: connection structure (6) are including cup jointing piece (61), the side fixedly connected with of cable (24) has a plurality of cup jointing pieces (61), and adjacent the distance between cup jointing piece (61) equals and is less than the length of first support shell (32), the side roll connection of cup jointing piece (61) has ball (62), cup jointing piece (61) is through ball (62) and the inboard sliding connection of first support shell (32) and second support shell (33).
7. The device for measuring the gas pressure in deep coal bed methane exploitation according to claim 6, wherein: the end parts of the first supporting shell (32) and the second supporting shell (33) are connected with buffering columns (63) in a sliding mode, and fourth springs (64) are fixedly connected between the first supporting shell (32) and the second supporting shell (33) and the corresponding buffering columns (63) respectively.
8. The device for measuring the gas pressure in deep coal bed methane exploitation according to claim 1, wherein: the supporting structure (4) comprises a first supporting rod (41) and a second supporting rod (42), the bottom side of the installation bedplate (1) is respectively and rotatably connected with the first supporting rod (41) and the second supporting rod (42), the first supporting rod (41) and the second supporting rod (42) are symmetrically arranged, end portions of the first supporting rod (41) and the second supporting rod (42) are respectively and fixedly connected with gear rings (44), the two gear rings (44) are mutually meshed, side faces of the first supporting rod (41) and the second supporting rod (42) are respectively and fixedly connected with limiting blocks (43), and blocking blocks (45) are arranged on the bottom side of the installation bedplate (1).
9. The deep coal bed methane mining air pressure measuring device of claim 8, wherein: the accommodating structure (5) comprises a third spring (51), the third spring (51) is fixedly connected between the first supporting rod (41) and the second supporting rod (42), a hanging rod (52) is rotatably connected to the side surface of the first supporting rod (41), a torsion spring (53) is fixedly connected between the hanging rod (52) and the first supporting rod (41), and an arc-shaped groove (54) is formed in the side surface of the second supporting rod (42).
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