CN216923521U - Crossover sub for predicting coal bed outburst risk - Google Patents
Crossover sub for predicting coal bed outburst risk Download PDFInfo
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- CN216923521U CN216923521U CN202220607987.3U CN202220607987U CN216923521U CN 216923521 U CN216923521 U CN 216923521U CN 202220607987 U CN202220607987 U CN 202220607987U CN 216923521 U CN216923521 U CN 216923521U
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- coal seam
- fixedly connected
- pressure rubber
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Abstract
The utility model discloses a conversion joint for predicting coal seam outburst risk, which comprises a joint body, wherein a second joint is arranged on the end surface of the other side of the joint body; the cylinder body is provided with a plurality of pressing bodies for pressing the outer wall of the high-pressure rubber pipe along the circumferential direction; the pressing body comprises a cylinder body which is connected to the cylinder body in a sliding mode, and an arc-shaped plate is fixedly connected to the inner end of the cylinder body; the inner end of the cylinder body is in threaded connection with a threaded sleeve of the locking pressing body. The insertion end of the high-pressure rubber pipe is compressed and fixed, physical labor of detection personnel in the operation and installation process is reduced, and meanwhile material waste is avoided.
Description
Technical Field
The utility model belongs to the technical field of mining detection devices, and particularly relates to an adapter for predicting coal bed outburst danger.
Background
In order to ensure safe coal mining, it is necessary to predict the outburst risk of the coal seam. In the coal and gas outburst risk prediction work, detecting the gas pressure is one of the commonly used means.
The method comprises the steps of drilling a hole in a coal seam to be measured, packaging a port at a drilling hole, connecting a high-pressure rubber pipe to the port, installing a tee joint at the other end of the high-pressure rubber pipe, and respectively installing a pressure gauge and an online pressure measuring device at the other two ports of the tee joint.
The length of a single high-pressure rubber pipe for gas pressure detection reaches 100 meters, special connecting ports are arranged at two ends of the high-pressure rubber pipe, the port at one end is connected and matched with the port packaged by a drilled hole, the port at the other end is connected and matched with a port of a tee joint in a sleeved mode, and the length of the high-pressure rubber pipe used in the actual operation process is generally not more than fifty meters. Therefore, the manual labor of carrying the high-pressure rubber tube by detection personnel is increased, and inconvenience is brought to the installation of a detection instrument; but also causes a waste of material.
SUMMERY OF THE UTILITY MODEL
In view of the above background, an object of the present invention is to provide an adapter for predicting the risk of coal seam outburst.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the adapter for predicting the coal seam outburst risk comprises an adapter body, wherein a second adapter is arranged on the end face of the other side of the adapter body, a first adapter is arranged at the top of the adapter body, and an insertion structure for inserting a high-pressure rubber pipe is fixedly connected to the adapter body;
the splicing structure comprises a barrel fixedly connected to one side end face of the connector body, an insertion pipe is fixedly connected in the barrel, and a high-pressure rubber pipe is spliced on the insertion pipe;
the cylinder body is provided with a plurality of pressing bodies for pressing the outer wall of the high-pressure rubber pipe along the circumferential direction;
the pressing body comprises a cylinder body which is connected to the cylinder body in a sliding mode, and an arc-shaped plate is fixedly connected to the inner end of the cylinder body;
the inner end of the cylinder body is in threaded connection with a threaded sleeve of the locking pressing body.
Preferably, the second joint is used for connecting a pressure gauge;
the first joint is used for connecting a pressure measuring device.
Preferably, an annular cavity is formed between the inner wall of the barrel and the outer wall of the insertion pipe, and when the high-pressure rubber pipe is inserted into the insertion pipe, the high-pressure rubber pipe is located in the annular cavity.
Preferably, the cylinder is connected to the wall of the cylinder in a sliding manner along the radial direction, and the inner end of the cylinder is vertically and fixedly connected with the center of the outer cambered surface of the arc-shaped plate;
the outer end face of the column body is fixedly connected with a hemispheroid.
Preferably, a ring body is arranged in the threaded sleeve and sleeved on the barrel, and an annular boss for pushing the ring body is arranged on the threaded sleeve.
Preferably, the inner edge of the outer end of the ring body is provided with a rounded structure.
Preferably, the upper end of the cylinder is fixedly connected with a spring seat, the outer wall of the cylinder is radially provided with a cylindrical groove matched with the spring seat, the cylinder is sleeved with a spring, and the spring is limited at the bottom of the spring seat.
Preferably, the outer wall of the insertion pipe is provided with an annular groove matched with the arc-shaped plate.
Preferably, the inner end of the threaded sleeve is fixedly connected with an annular outer edge, and a plurality of notches are formed in the outer edge of the annular outer edge along the circumferential direction.
Preferably, the outer edge of the outer end of the cannula is provided with a rounded structure.
The utility model has the following beneficial effects:
the utility model discloses a crossover sub for predicting coal seam outburst danger, which is characterized in that an annular cavity is formed between a barrel and an insertion pipe, the cutting end of a high-pressure rubber pipe is conveniently inserted and installed in the annular cavity, and then a pressing body slides along the radial direction by rotating a threaded sleeve, so that an arc-shaped plate presses and fixes the insertion end of the high-pressure rubber pipe; therefore, the high-pressure rubber hose with the proper length can be flexibly intercepted according to actual needs, and the cutting end of the high-pressure rubber hose is connected and assembled with the joint body, so that the physical labor of detection personnel is reduced, and meanwhile, the waste of materials is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 1 at A according to the present invention;
fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions such as "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-4; an adapter for predicting coal seam outburst danger comprises an adapter body 1, wherein a second adapter 12 and a first adapter 11 which are used for connecting a pressure gauge and an online pressure measuring device are correspondingly arranged at one end of the adapter body 1 and the top surface of the adapter body respectively.
The joint body 1 further comprises a cylinder body 2, an insertion pipe 3 and a threaded sleeve 4, the inner ends of the cylinder body 2 and the insertion pipe 3 are respectively fixedly inserted into the other end face of the joint body 1, and an annular cavity for inserting the high-pressure rubber pipe is formed between the inner wall of the cylinder body 2 and the outer wall of the insertion pipe 3.
The cross section of the annular cavity is equivalent to the cross section of the high-pressure rubber pipe, the sleeving relation between the high-pressure rubber pipe and the insertion pipe 3 is guaranteed to be interference fit, the threaded sleeve 4 is sleeved with the inner end of the barrel body 2 through internal threads, and the barrel body 2 is located in the wall body on the outer side of the threaded sleeve 4 and is evenly provided with a plurality of pressing bodies 6 along the circumferential direction. The pressing body 6 presses the high-pressure rubber pipe along the circumferential direction, and the stability of connection of the high-pressure rubber pipe is improved.
The compression body 6 comprises a cylinder 61 and an arc-shaped plate 62, wherein the cylinder 61 is connected with the wall body of the cylinder body 2 in a sliding mode along the radial direction.
The inner end of the column body 61 is vertically and fixedly connected with the center of the outer arc surface of the arc-shaped plate 62, the outer end surface of the column body 61 is flush with the outer wall of the cylinder body 2, and the outer end surface of the column body 61 is fixedly connected with a hemispheroid 63; wherein the number of compression bodies 6 may be 4, 5, 6 or 8.
The outer end of the inner cavity of the threaded sleeve 4 is rotatably sleeved with the ring body 5, and the inner edge of the outer end of the ring body 5 is provided with an inverted round structure, so that when the ring body 5 moves outwards along with the threaded sleeve 4, the ring body 5 can smoothly press the cylinder 61 inwards through the hemispheroid 63.
A spring seat 64 is fixedly connected to the column 61 and below the hemisphere 63, correspondingly, a cylindrical groove matched with the spring seat 64 in a sliding connection mode is formed in the outer wall of the cylinder 2 along the radial direction, and the spring is sleeved on the column 61 and located between the bottom surface of the inner cavity of the cylindrical groove and the bottom surface of the spring seat 64. Before the high-pressure rubber pipe is connected, the hemispheroid 63 just protrudes out of the outer wall of the cylinder body 2 due to the elastic force of the spring 7, and the arc-shaped plate 62 is clamped in the groove in the inner wall of the cylinder body 2, so that the high-pressure rubber pipe is conveniently inserted into the annular cavity between the cylinder body 2 and the insertion pipe 3.
Meanwhile, the inner arc surface of the arc plate 62 is flush with the inner wall of the cylinder 2.
The outer wall of the insertion tube 3 is provided with an annular groove 31 corresponding to the arc-shaped plate 62. Therefore, when the arc-shaped plate 62 is pressed onto the high-pressure rubber pipe, the arc-shaped plate 62 is clamped into the annular groove 31, and the high-pressure rubber pipe is prevented from loosening.
The periphery of the inner end of the threaded sleeve 4 is fixedly sleeved with an annular outer edge 41, and a plurality of openings are uniformly formed in the outer edge of the annular outer edge 41 along the circumferential direction.
The outer edge of 3 outer ends of intubate is provided with radius structure, and radius structure is convenient for overlap the high-pressure rubber tube to intubate 3 from the outer end of intubate 3.
When in use, a high-pressure rubber pipe with a proper length is cut off according to actual detection requirements; inserting the cutting end of the high-pressure rubber hose into an annular cavity formed between the barrel body 2 and the insertion tube 3, and simultaneously fastening and sleeving the inner cavity of the cutting end of the high-pressure rubber hose on the insertion tube 3; then, the threaded sleeve 4 is rotated conveniently through the annular outer edge 41, so that the threaded sleeve 4 moves outwards relative to the joint body 1, the annular boss on the threaded sleeve 4 pushes the annular body 5 to move outwards, the hemispherical body 63 is pressed by the annular body 5, and the cylindrical body 61 is pressed inwards by the hemispherical body 63.
The spring seat 64 overcomes the elasticity of the spring 7 and is synchronously sleeved inwards with the column body 61, the arc-shaped plate 62 presses the high-pressure rubber hose, so that the high-pressure rubber hose protrudes into the annular groove 31 at the position corresponding to the annular groove 31, and finally the high-pressure rubber hose and the joint body 1 are connected relatively firmly; and then, the online pressure measuring device is connected to the first joint 11, and the pressure gauge is connected to the second machine head 12, so that the coal seam outburst risk prediction work is facilitated.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a coal seam outburst danger prediction uses crossover sub, includes the joint body, be equipped with the second on the opposite side terminal surface of joint body and connect, the top of connecting the body is equipped with first joint, its characterized in that: the joint body is fixedly connected with an inserting structure for inserting the high-pressure rubber pipe;
the splicing structure comprises a barrel fixedly connected to one side end face of the connector body, an insertion pipe is fixedly connected in the barrel, and a high-pressure rubber pipe is spliced on the insertion pipe;
the cylinder body is provided with a plurality of pressing bodies for pressing the outer wall of the high-pressure rubber pipe along the circumferential direction;
the pressing body comprises a cylinder body connected to the cylinder body in a sliding mode, and an arc-shaped plate is fixedly connected to the inner end of the cylinder body;
the inner end of the cylinder body is in threaded connection with a threaded sleeve of the locking pressing body.
2. The crossover joint for predicting risk of coal seam outburst according to claim 1, wherein: the second joint is used for connecting a pressure gauge;
the first joint is used for connecting a pressure measuring device.
3. The crossover joint for predicting risk of coal seam outburst according to claim 1, wherein: an annular cavity is formed between the inner wall of the barrel and the outer wall of the insertion pipe, and when the high-pressure rubber pipe is inserted into the insertion pipe, the high-pressure rubber pipe is located in the annular cavity.
4. The crossover joint for predicting risk of coal seam outburst according to claim 1, wherein: the cylinder is connected in the wall body of the cylinder in a sliding manner along the radial direction, and the inner end of the cylinder is vertically and fixedly connected with the center of the outer cambered surface of the arc-shaped plate;
the outer end face of the column body is fixedly connected with a hemisphere.
5. The crossover joint for predicting risk of coal seam outburst according to claim 1, wherein: the threaded sleeve is internally provided with a ring body which is sleeved on the barrel body, and the threaded sleeve is provided with an annular boss for pushing the ring body.
6. The crossover joint for predicting risk of coal seam outburst according to claim 5, wherein: the inner edge of the outer end of the ring body is provided with a rounding structure.
7. The crossover joint for predicting risk of coal seam outburst according to claim 1, wherein: the upper end of the cylinder is fixedly connected with a spring seat, the outer wall of the cylinder is radially provided with a cylindrical groove matched with the spring seat, the cylinder is sleeved with a spring, and the spring is limited at the bottom of the spring seat.
8. The crossover joint for predicting risk of coal seam outburst according to claim 1, wherein: the outer wall of the insertion pipe is provided with an annular groove matched with the arc-shaped plate.
9. The crossover joint for predicting risk of coal seam outburst according to claim 1, wherein: the inner end of the threaded sleeve is fixedly connected with an annular outer edge, and a plurality of openings are formed in the outer edge of the annular outer edge along the circumferential direction.
10. The crossover joint for predicting risk of coal seam outburst according to claim 1, wherein: the outer fringe of intubate outer end is provided with radius structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220607987.3U CN216923521U (en) | 2022-03-18 | 2022-03-18 | Crossover sub for predicting coal bed outburst risk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220607987.3U CN216923521U (en) | 2022-03-18 | 2022-03-18 | Crossover sub for predicting coal bed outburst risk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216923521U true CN216923521U (en) | 2022-07-08 |
Family
ID=82226566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220607987.3U Active CN216923521U (en) | 2022-03-18 | 2022-03-18 | Crossover sub for predicting coal bed outburst risk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216923521U (en) |
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2022
- 2022-03-18 CN CN202220607987.3U patent/CN216923521U/en active Active
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