CN113108145A - Safety protection structure for flexible gas pipe joint for mine exploitation and manufacturing method - Google Patents
Safety protection structure for flexible gas pipe joint for mine exploitation and manufacturing method Download PDFInfo
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- CN113108145A CN113108145A CN202110367504.7A CN202110367504A CN113108145A CN 113108145 A CN113108145 A CN 113108145A CN 202110367504 A CN202110367504 A CN 202110367504A CN 113108145 A CN113108145 A CN 113108145A
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- pipe
- flexible gas
- joint
- sleeve
- safety protection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L35/00—Special arrangements used in connection with end fittings of hoses, e.g. safety or protecting devices
- F16L35/005—Nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/02—Hose-clips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/18—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses characterised by the use of additional sealing means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention provides a safety protection structure and a manufacturing method of a flexible gas pipe joint for mine development, which comprises a flexible gas pipe body, wherein pipe joints are fixedly arranged at the end part of the flexible gas pipe body through a winding wire, the end parts of two adjacent pipe joints are in butt joint connection through a locking hoop, sealing gaskets are arranged on the end surfaces of the two pipe joints, an outer sleeve of the flexible gas pipe body exceeds the pipe joints by a section of length, the exceeding parts are symmetrically cut and then wound into annular lap joints, and the lap joints are connected through sleeve pipe pressing buckles to form a connecting ring; two adjacent connecting rings are connected through a connecting buckle. This safety protection structure sets up at flexible gas-supply pipe joint position, and it can be about to the reliable connection in both ends of coupling, and then effectively prevents the problem that the pipe end that leads to because the gas-supply pipe connects to drop dances, has guaranteed the security of connecting.
Description
Technical Field
The invention relates to the technical field of safety protection of mine blasting exploitation, in particular to a safety protection structure of a flexible gas pipe joint for mine exploitation and a manufacturing method thereof, and is suitable for large-scale mine blasting exploitation.
Background
In the mining process, need adopt rock drilling equipment to bore a hole, the operation mode that mainly adopts at present is the down-the-hole impacter, and what the down-the-hole impacter mainly adopted is the concentrated air feed mode, and in the air feed process, mainly adopt flexible gas-supply pipe as the air supply pipeline, and wherein flexible gas-supply pipe mainly adopts the prior application of this company, CN 207268339U, the novel high pressure flexible gas-supply pipe of well disclosing, this flexible gas-supply pipe mainly adopts three layer construction, including airtight inner tube 2, pressure-bearing pipe 1 and outer tube 3. In order to realize the remote transportation of high-pressure gas, a plurality of flexible gas transmission pipes are generally required to be connected through joints, the currently adopted joints are CN 206738785U which is applied by the company in advance, and the novel high-pressure flexible gas transmission pipe body is directly connected with two joint parts through a hoop to finally form a whole gas transmission pipeline.
In the normal connection use process, although the connection of the current pipe joint part is relatively reliable, the gas pressure of the conveyed gas is higher, so that the flying of the end of the gas conveying pipe can be caused once the pipe joint falls off, the casualties can be caused, and the safety can not be ensured. At present, two ends are mainly connected by a steel wire rope, but the fixing and dismantling processes of the steel wire rope are time-consuming and labor-consuming, and the efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a safety protection structure for a flexible gas pipe joint for mine development and a manufacturing method thereof.
In order to achieve the technical features, the invention is realized as follows: the mine is opened and adopted the flexible gas-supply pipe and connect the safety protection structure, it includes the flexible gas-supply pipe body, the end position of the said flexible gas-supply pipe body is fitted with the union joint fixedly through the winding wire, the end position of two adjacent union joints is butted and connected through the locking hoop, and there are gaskets on the end surfaces of both, the outer thimble of the said flexible gas-supply pipe body exceeds a section of length of union joint, and roll into the cyclic overlap joint after cutting out the exceeding part symmetrically, press and buckle and connect through the sleeve at the overlap joint position, and then form the go-between; two adjacent connecting rings are connected through a connecting buckle.
The flexible gas delivery pipe body comprises a pressure-bearing inner pipe, the inner surface of the pressure-bearing inner pipe is provided with an airtight inner pipe, the outer portion of the pressure-bearing inner pipe is sleeved with an outer sleeve, and the outer sleeve is a high-strength wear-resistant fiber material braided layer.
The connecting buckle adopts an open-close type connecting ring, and a locking reed is arranged at the opening part of the connecting buckle.
The sleeve is made of a material which can be crushed and deformed after being stressed, and two ends to be connected are reliably connected.
The manufacturing method of the safety protection structure of the flexible gas pipe joint for mine exploitation comprises the following steps:
the method comprises the following steps: preparing two flexible gas transmission pipe bodies to be butted;
step two: the outer sleeve is made of a high-strength wear-resistant fiber material braided layer and is wrapped outside the pressure-bearing inner pipe and the airtight inner pipe, and the end part of the outer sleeve is symmetrically cut to form a cutting opening;
step three: cutting and trimming end parts to be connected of the two flexible gas pipe bodies, cutting off the pressure-bearing inner pipe and the air-tight inner pipe at the cutting opening part, and only keeping the symmetrically cut outer sleeve pipe, so that the end parts of the outer sleeve pipe of the flexible gas pipe bodies exceed the pressure-bearing inner pipe and the air-tight inner pipe inside the flexible gas pipe bodies by a section of length to form reserved sleeve pipes;
step four: installing a pipe joint at the end part of the cut flexible gas conveying pipe body, and fixing the pipe joint reliably through a winding wire;
step five: respectively winding the two sections of the reserved sleeve into connecting ropes;
step six: after the two end parts of the connecting rope are lapped, the two end parts are compacted and connected through a sleeve to form a connecting ring;
step seven: connecting the two pipe joints in a butt joint manner through a locking hoop;
step eight: the two connecting rings are connected through the connecting buckles, and then reliable connection between the two pipe joints is achieved.
And in the third step, the length of the reserved sleeve is ensured to be 20-30 cm in the cutting process.
The invention has the following beneficial effects:
1. through the safety protection structure of above-mentioned structure, it sets up at flexible gas-supply pipe joint position, and it can be about to the reliable connection in both ends of coupling, and then effectively prevents the problem that the pipe end that leads to because the gas-supply pipe connects and drops dances, has guaranteed the security of connecting.
2. The flexible gas transmission pipe body is a flexible pipe, and compared with the traditional rubber pipe, the flexible gas transmission pipe is light in weight; and the high-strength wear-resistant fiber material braided layer adopted by the outer sleeve has very strong tensile strength, so that the danger of breaking can not occur even in a high-pressure environment after the joint part is separated.
3. The connecting buckle can realize quick connection between the two connecting rings.
4. Through foretell connected mode, preparation go-between that can be quick to guarantee its structural strength.
5. The structure is simple to manufacture, can meet the requirements of safety and rapidness of a construction site, and replaces the traditional construction method adopting steel wire rope connection.
6. Through the field test, at least 54 kilograms of pulling force can be born between two connecting rings, and the device is safe and reliable and is convenient to disassemble.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a diagram illustrating a first step in the manufacturing process of the present invention.
FIG. 3 is a diagram of a second step in the manufacturing process of the present invention.
FIG. 4 is a schematic diagram of a third step in the manufacturing process of the present invention.
FIG. 5 is a diagram illustrating a fourth step in the manufacturing process of the present invention.
FIG. 6 is a schematic diagram of step five in the manufacturing process of the present invention.
FIG. 7 is a diagram illustrating a sixth step in the manufacturing process of the present invention.
FIG. 8 is a diagram illustrating a seventh step in the manufacturing process of the present invention.
FIG. 9 is a diagram illustrating step eight of the manufacturing process of the present invention.
In the figure: the pressure-bearing inner pipe 1, the airtight inner pipe 2, the outer sleeve 3, the pipe joint 4, the winding wire 5, the locking hoop 6, the sleeve 7, the locking reed 8, the connecting buckle 9, the connecting ring 10, the reserved sleeve 11, the shearing opening 12 and the connecting rope 13.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-9, the safety protection structure for the flexible gas pipe joint for mining comprises a flexible gas pipe body, wherein pipe joints 4 are fixedly arranged at the end part of the flexible gas pipe body through a winding wire 5, the end parts of two adjacent pipe joints 4 are in butt joint connection through a locking hoop 6, sealing gaskets are arranged on the end surfaces of the two pipe joints, an outer sleeve 3 of the flexible gas pipe body exceeds the pipe joints 4 by a section of length, the exceeding parts are symmetrically cut and then wound into annular lap joints, and the lap joints are connected through a sleeve 7 in a pressing and buckling manner to form a connecting ring 10; two adjacent connecting rings 10 are connected through a connecting buckle 9. Through the safety protection structure of above-mentioned structure, it sets up at flexible gas-supply pipe joint position, and it can be about to the reliable connection in both ends of coupling, and then effectively prevents the problem that the pipe end that leads to because the gas-supply pipe connects and drops dances, has guaranteed the security of connecting.
Further, the flexible gas pipe body comprises a pressure-bearing inner pipe 1, an airtight inner pipe 2 is arranged on the inner surface of the pressure-bearing inner pipe 1, an outer sleeve 3 is sleeved outside the pressure-bearing inner pipe 1, and the outer sleeve 3 is a high-strength wear-resistant fiber material braided layer. The flexible gas transmission pipe body is a flexible pipe, and compared with the traditional rubber pipe, the flexible gas transmission pipe is light in weight; and the high-strength wear-resistant fiber material braided layer adopted by the outer sleeve 3 has very strong tensile strength, thereby ensuring that the danger of breaking can not occur even under the high-pressure environment after the joint part is separated.
Furthermore, the connecting buckle 9 is an open-close type connecting ring, and a locking reed 8 is arranged at the opening part of the connecting buckle 9. A quick connection between the two connection rings 10 can be achieved by means of the connection clasp 9 described above.
Furthermore, the sleeve 7 is made of a material which can be crushed and deformed after being stressed, and two ends to be connected are reliably connected. Through the connection mode, the connection ring 10 can be manufactured quickly, and the structural strength of the connection ring is guaranteed.
Example 2:
the manufacturing method of the safety protection structure of the flexible gas pipe joint for mine exploitation comprises the following steps:
the method comprises the following steps: preparing two flexible gas transmission pipe bodies to be butted;
step two: the outer sleeve 3 is made of a high-strength wear-resistant fiber material braided layer and is wrapped outside the pressure-bearing inner tube 1 and the airtight inner tube 2, and the end part of the outer sleeve 3 is symmetrically cut to form a cutting opening 12;
step three: cutting and trimming the end parts to be connected of the two flexible gas conveying pipe bodies, cutting off the pressure-bearing inner pipe 1 and the air-tight inner pipe 2 at the position of the cutting opening 12, and only keeping the symmetrically cut outer sleeve 3, so that the end part of the outer sleeve 3 of the flexible gas conveying pipe body exceeds the pressure-bearing inner pipe 1 and the air-tight inner pipe 2 inside the flexible gas conveying pipe body by a section of length to form a reserved sleeve 11;
step four: the pipe joint 4 is arranged at the end part of the cut flexible gas conveying pipe body, and the pipe joint 4 is reliably fixed through the winding wire 5;
step five: respectively winding the two sections of the reserved sleeve 11 into connecting ropes 13;
step six: after the two end parts of the connecting rope 13 are overlapped, the two end parts are compacted and connected through the sleeve 7 to form a connecting ring 10;
step seven: the two pipe joints 4 are connected in a butt joint way through a locking hoop 6;
step eight: the two connecting rings 10 are connected through the connecting buckles 9, and then reliable connection between the two pipe joints is achieved.
Further, the length of the reserved sleeve 11 is guaranteed to be 20-30 cm in the cutting process in the third step. By the above-mentioned length it is ensured that a reliable connection ring 10 can be formed.
Claims (6)
1. Mine is opened and is adopted flexible gas-supply pipe to connect safety protection structure, and it includes flexible gas-supply pipe body, the end position of flexible gas-supply pipe body has coupling (4) through winding silk (5) fixed mounting, and the end position of two adjacent couplings (4) links to each other through locking hoop (6) butt joint to be provided with sealed pad, its characterized in that at the terminal surface of two: the outer sleeve (3) of the flexible gas conveying pipe body exceeds the pipe joint (4) by a certain length, the exceeding part is symmetrically cut and wound into an annular lap joint, and the lap joint part is connected through the pressing buckle of the sleeve (7) to form a connecting ring (10); two adjacent connecting rings (10) are connected through a connecting buckle (9).
2. The mining safety protection structure for the flexible gas pipe joint as claimed in claim 1, characterized in that: the flexible gas delivery pipe body comprises a pressure-bearing inner pipe (1), the inner surface of the pressure-bearing inner pipe (1) is provided with an airtight inner pipe (2), the outer portion of the pressure-bearing inner pipe (1) is sleeved with an outer sleeve (3), and the outer sleeve (3) is a high-strength wear-resistant fiber material braided layer.
3. The mining safety protection structure for the flexible gas pipe joint as claimed in claim 1, characterized in that: the connecting buckle (9) adopts an open-close type connecting ring, and a locking reed (8) is arranged at the opening part of the connecting buckle (9).
4. The mining safety protection structure for the flexible gas pipe joint as claimed in claim 1, characterized in that: the sleeve (7) is made of a material which can be crushed and deformed after being stressed, and two ends to be connected are reliably connected.
5. The manufacturing method of the safety protection structure of the flexible gas pipe joint for the mine exploitation as set forth in any one of claims 1 to 4, characterized by comprising the following steps:
the method comprises the following steps: preparing two flexible gas transmission pipe bodies to be butted;
step two: the outer sleeve (3) is made of a high-strength wear-resistant fiber material braided layer and is wrapped outside the pressure-bearing inner pipe (1) and the airtight inner pipe (2), and the end part of the outer sleeve (3) is symmetrically cut to form a shear opening (12);
step three: cutting and trimming end parts to be connected of two flexible gas conveying pipe bodies, cutting off a pressure-bearing inner pipe (1) and an air-tight inner pipe (2) at a cutting opening (12), and only keeping symmetrically cut outer sleeves (3) to ensure that the end parts of the outer sleeves (3) of the flexible gas conveying pipe bodies exceed the pressure-bearing inner pipe (1) and the air-tight inner pipe (2) inside the flexible gas conveying pipe bodies by a section of length to form a reserved sleeve (11);
step four: a pipe joint (4) is arranged at the end part of the cut flexible gas conveying pipe body, and the pipe joint (4) is reliably fixed through a winding wire (5);
step five: winding the two sections of the reserved sleeve (11) into connecting ropes (13) respectively;
step six: after the two end parts of the connecting rope (13) are overlapped, the two end parts are connected through the sleeve (7) in a compaction way to form a connecting ring (10);
step seven: the two pipe joints (4) are connected in a butt joint way through a locking hoop (6);
step eight: the two connecting rings (10) are connected through the connecting buckles (9), and then the reliable connection between the two pipe joints is realized.
6. The manufacturing method of the safety protection structure of the flexible gas pipe joint for mining of claim 5, characterized in that: and in the cutting process in the third step, the length of the reserved sleeve (11) is ensured to be 20-30 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110367504.7A CN113108145B (en) | 2021-04-06 | 2021-04-06 | Safety protection structure for flexible gas pipe joint for mine exploitation and manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110367504.7A CN113108145B (en) | 2021-04-06 | 2021-04-06 | Safety protection structure for flexible gas pipe joint for mine exploitation and manufacturing method |
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| CN113108145A true CN113108145A (en) | 2021-07-13 |
| CN113108145B CN113108145B (en) | 2022-07-19 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1662766A (en) * | 2002-06-24 | 2005-08-31 | 柏林心脏股份公司 | Device for connecting a cannula made from a flexible material with a tube |
| CN206738785U (en) * | 2017-02-06 | 2017-12-12 | 宜昌楚道凿岩工程有限公司 | The attachment means of novel high-pressure flexibility gas transmission body and joint |
| US10001237B1 (en) * | 2017-06-02 | 2018-06-19 | Yueh-Lin Lee | Anti-loosening buckle and hose connector using same |
| CN109282098A (en) * | 2017-09-13 | 2019-01-29 | 张晚霞 | The connection structure of steel wire mesh frame pipe |
| CN110953420A (en) * | 2019-12-19 | 2020-04-03 | 宜宾三江机械有限责任公司 | Threaded conduit flexible joint |
| CN210770866U (en) * | 2019-08-05 | 2020-06-16 | 湖北楚道凿岩工程有限公司 | High-pressure gas-transmission hose quick joint of rock drilling equipment |
| CN214839123U (en) * | 2021-04-06 | 2021-11-23 | 湖北楚道凿岩工程有限公司 | Safety protection structure for flexible gas pipe joint for mine exploitation |
-
2021
- 2021-04-06 CN CN202110367504.7A patent/CN113108145B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1662766A (en) * | 2002-06-24 | 2005-08-31 | 柏林心脏股份公司 | Device for connecting a cannula made from a flexible material with a tube |
| CN206738785U (en) * | 2017-02-06 | 2017-12-12 | 宜昌楚道凿岩工程有限公司 | The attachment means of novel high-pressure flexibility gas transmission body and joint |
| US10001237B1 (en) * | 2017-06-02 | 2018-06-19 | Yueh-Lin Lee | Anti-loosening buckle and hose connector using same |
| CN109282098A (en) * | 2017-09-13 | 2019-01-29 | 张晚霞 | The connection structure of steel wire mesh frame pipe |
| CN210770866U (en) * | 2019-08-05 | 2020-06-16 | 湖北楚道凿岩工程有限公司 | High-pressure gas-transmission hose quick joint of rock drilling equipment |
| CN110953420A (en) * | 2019-12-19 | 2020-04-03 | 宜宾三江机械有限责任公司 | Threaded conduit flexible joint |
| CN214839123U (en) * | 2021-04-06 | 2021-11-23 | 湖北楚道凿岩工程有限公司 | Safety protection structure for flexible gas pipe joint for mine exploitation |
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| CN113108145B (en) | 2022-07-19 |
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