CN217981083U - High-flow push-pull switch for high-pressure water pressing - Google Patents
High-flow push-pull switch for high-pressure water pressing Download PDFInfo
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- CN217981083U CN217981083U CN202222248159.8U CN202222248159U CN217981083U CN 217981083 U CN217981083 U CN 217981083U CN 202222248159 U CN202222248159 U CN 202222248159U CN 217981083 U CN217981083 U CN 217981083U
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Abstract
The utility model provides a high pressure is large-traffic push-and-pull switch for pressurized-water, include: the device comprises a push-pull pipe, an upper limiting sleeve, a shunt main cylinder, a piston inner core, a test section steel pipe, a rubber plug and a plug limiting lantern ring; the two sides of the main flow dividing cylinder are respectively provided with a test section pressurizing water passage and a rubber plug pressurizing water passage along the axial direction. The utility model has the advantages of it is following: 1. the caliber of each water passing assembly of the push-pull switch device is set to be large, so that the test requirement of passing large-flow water flow is met; 2. a water passage for pressurizing the rubber plug and 5-7 water passages for pressurizing the test section are ingeniously arranged in the main flow dividing cylinder, and the requirement of high-flow water passing of a high-pressure water pressing test is met under the condition that the outer diameter of the device is not increased.
Description
Technical Field
The utility model is suitable for an engineering geology field normal position measurement technical field such as water and electricity, water conservancy, traffic, mine, concretely relates to high-pressure water is with large-traffic push-and-pull switch.
Background
The high-pressure water-pressurizing test is to adopt a high-pressure pipeline to pressurize through a water-stopping device in a drill hole to enable rubber plugs to expand, wherein the water-stopping device is generally a pair of rubber plugs, isolate the rock mass of the drill hole which needs to be subjected to the high-pressure water-pressurizing test, then inject high-pressure water flow into the isolated test rock mass, measure real-time pressure and flow, and calculate the water permeability and the permeability coefficient of the test rock mass.
During the experiment, generally adopt the drilling rod to connect test equipment, carry test section department equipment with high-pressure rivers with the drilling rod on to installation push-and-pull switch between drilling rod and equipment can be with high-pressure rivers for rubber embolism pressurization earlier, make it inflation fixed, later continue to transfer the drilling rod on ground, promote push-and-pull switch, make the drilling rod communicate with test section through push-and-pull switch, carry out high-pressure water-pressing test.
Push-pull switch carries out the professional equipment that hydrofracturing method ground stress measurement is experimental at first, when being used for high-pressure water pressure test with traditional push-pull switch, has more limitation, specifically includes: (1) The length of a stress measurement section of a hydrofracturing method is much shorter than that of a high-pressure water-pressurizing test, generally 0.5-1.0 m, and the length of the high-pressure water-pressurizing measurement section is 3.0-5.0 m; (2) The general requirements of the stress measurement test of the hydraulic fracturing method are large pressure and small flow, which is convenient for accurately measuring typical pressure values of rock mass such as cracking, re-opening and closing, and the high-pressure water-pressurizing test is characterized by small pressure and large flow; especially when the permeable rate is large relative to the broken rock mass, the equipment is required to pass large flow water flow; therefore, when the high-pressure water pressing test is carried out in a measuring section with high water permeability of the current push-pull switch, the conditions of insufficient water passing capacity of equipment, distorted test pressure and flow and the like occur, and the test data has large errors.
SUMMERY OF THE UTILITY MODEL
The utility model provides a defect to prior art existence, the utility model provides a high pressure is large-traffic push-and-pull switch for water pressing can effectively solve above-mentioned problem.
The utility model adopts the technical scheme as follows:
the utility model provides a high-pressure pressurized-water is with large-traffic push-and-pull switch, include: the device comprises a push-pull pipe (100), an upper limiting sleeve (200), a shunt main cylinder (300), a piston inner core (400), a test section steel pipe (500), a rubber plug (600) and a plug limiting lantern ring (700);
two sides of the main flow dividing cylinder (300) are respectively provided with a test section pressurizing water passage (320) and a rubber plug pressurizing water passage (330) along the axial direction;
the upper part of the main shunting barrel (300) is fixedly provided with the upper limiting sleeve (200); the center of the upper limit sleeve (200) is provided with an axial push-pull pipe water through hole (110); the piston inner core (400) is fixedly installed at the bottom of the upper limiting sleeve (200); the center of the piston inner core (400) is provided with a piston inner core water through hole (410) communicated with the water through hole (110) of the push-pull pipe along the axial direction, the lower part of the piston inner core (400) is provided with a plurality of piston inner core radial water outlets (420), and the piston inner core radial water outlets (420) are communicated with the piston inner core water through hole (410); when the piston inner core (400) moves to a lower station under the driving of the upper limiting sleeve (200), the radial water outlet (420) of the piston inner core is communicated with the test section pressurizing water passing channel (320); when the piston inner core (400) moves to an upper station, the piston inner core radial water outlet (420) is communicated with the rubber plug pressurizing water passage (330);
the test section steel pipe (500) is fixedly mounted on the inner side of the lower part of the main shunting barrel (300), a test section steel pipe water through hole (510) is formed in the center of the test section steel pipe (500) along the axial direction, and the test section steel pipe water through hole (510) is communicated with the test section pressurizing water passing channel (320); the rubber plug (600) is fixedly installed on the outer side of the lower portion of the main shunting barrel (300), the rubber plug (600) is sleeved outside the test section steel pipe (500), a rubber plug water passing hole (610) is formed in a gap between the rubber plug water passing hole and the test section steel pipe (500), and the rubber plug water passing hole (610) is communicated with the rubber plug pressurizing water passing channel (330); the plug limiting collar (700) is arranged outside the rubber plug (600).
Preferably, the lower part of the upper limiting sleeve (200) is provided with an upper limiting sleeve lower end connecting thread (210), and the lower end connecting thread (210) of the upper limiting sleeve is fixedly connected with the shunt main cylinder (300).
Preferably, the inner side of the lower end of the push-pull pipe (100) is provided with a push-pull pipe lower end connecting thread (120), and the push-pull pipe lower end connecting thread (120) is fixedly connected with the piston inner core (400).
Preferably, the outer side of the lower end of the push-pull pipe (100) is provided with a push-pull pipe annular limiting bearing platform (130), and the push-pull pipe annular limiting bearing platform (130) slides up and down in the inner cavity of the upper limiting sleeve (200).
Preferably, a seal ring groove (310) is formed in an inner cavity of the main shunting barrel (300), a seal ring (311) is installed in the seal ring groove (310), and the seal ring (311) is internally connected with the piston inner core (400) in a sealing manner through the piston inner core (400).
Preferably, the test section pressurizing water channel (320) is provided with five number.
Preferably, a lower test section steel pipe connecting thread (350) is arranged on the inner side of the lower part of the main shunting cylinder (300), and the lower test section steel pipe connecting thread (350) is used for realizing connection with the test section steel pipe (500);
the lower part outside of reposition of redundant personnel main barrel (300) sets up lower extreme embolism connecting thread (360), through lower extreme embolism connecting thread (360), realize with the connection of rubber stopper (600).
Preferably, the lower part of the main flow dividing cylinder (300) is provided with a water through hole (340); one end of the water through hole (340) is communicated with the test section pressurizing water through channel (320); the other end of the water through hole (340) is communicated with the water through hole (510) of the test section steel pipe.
Preferably, the diameter of the water through hole (110) of the push-pull pipe is 20mm; the diameter of the water through hole (410) of the piston inner core is 18mm; the diameter of the radial water outlet (420) of the piston inner core is 6mm; the diameter of the test section pressurizing water channel (320) is 6mm; the diameter of the rubber plug pressurizing water passage (330) is 6mm; the diameter of the test section steel pipe water through hole (510) is 18mm.
The utility model provides a high pressure is large-traffic push-and-pull switch for pressurized-water has following advantage:
1. the caliber of each water passing assembly of the push-pull switch device is set to be large, so that the test requirement of passing large-flow water flow is met; 2. a water passage for pressurizing the rubber plug and 5-7 water passages for pressurizing the test section are ingeniously arranged in the main flow dividing cylinder, and the requirement of high-flow water passing of a high-pressure water pressing test is met under the condition that the outer diameter of the device is not increased.
Drawings
Fig. 1 is a cross-sectional view of the push-pull switch provided by the present invention in a test section pressurized water-passing state;
FIG. 2 is an enlarged cross-sectional view taken along line A-A' of FIG. 1;
FIG. 3 is a cross-sectional view of the push-pull switch provided by the present invention in a pressurized water-passing state of the rubber plug;
FIG. 4 is an enlarged cross-sectional view taken along line B-B' of FIG. 3;
wherein:
100-push-pull tube; 110-water through holes of the push-pull pipes; 120-connecting threads at the lower end of the push-pull pipe; 130-push-pull pipe annular limiting bearing platform;
200-upper limiting sleeve; 210-connecting threads at the lower end of the upper limiting sleeve;
300-a main shunt cylinder; 310-a seal ring groove; 311-a sealing ring; 320-test section pressurizing water passage; 330-rubber plug pressurizing water passage; 320-1 to 320-5 which are respectively a 1 st test section pressurizing water channel, a 2 nd test section pressurizing water channel, a 3 rd test section pressurizing water channel, a 4 th test section pressurizing water channel and a 5 th test section pressurizing water channel; 340-water through holes; 350-connecting threads of the steel pipe at the lower end test section; 360-lower end plug connecting thread;
400-piston inner core; 410-water through holes of the piston inner core; 420-radial water outlet of the piston inner core;
500-test section steel pipe; 510-water passing holes of the test section steel pipe;
600-rubber plug; 610-rubber plug water through hole;
700-embolic confinement collar.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "outer", "upper", "lower", "axial", "radial", and the like, indicate orientations or positional relationships based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or assembly in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed", "mounted", "provided", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The utility model provides a high-pressure pressurized-water is with large-traffic push-and-pull switch mainly includes push-and-pull pipe, last spacing sleeve pipe, reposition of redundant personnel main section of thick bamboo, piston inner core, test section steel pipe, rubber embolism, the embolism restriction lantern ring. The utility model is suitable for an engineering geology normal position measurement technical field such as water and electricity, water conservancy, traffic, mine, especially, engineering geology reconnaissance on-the-spot rock mass drilling high pressure water test.
The utility model provides a high-pressure is large-traffic push-and-pull switch for pressurized water, the device have strengthened the bore in each subassembly water hole to increased the pressurized water channel of test section, in order to increase the holistic water capacity of device, satisfied the large-traffic water demand of crossing of high-pressure pressurized water.
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Referring to fig. 1-4, the present invention provides a high flow push-pull switch for high pressure water, comprising: the device comprises a push-pull pipe 100, an upper limiting sleeve 200, a shunt main cylinder 300, a piston inner core 400, a test section steel pipe 500, a rubber plug 600 and a plug limiting lantern ring 700;
the two sides of the main flow-dividing cylinder 300 are respectively provided with a test section pressurizing water passage 320 and a rubber plug pressurizing water passage 330 along the axial direction;
the upper part of the main shunting barrel 300 is fixedly provided with an upper limiting sleeve 200; the center of the upper limit sleeve 200 is provided with an axial push-pull pipe water through hole 110; the bottom of the upper limiting sleeve 200 is fixedly provided with a piston inner core 400; the center of the piston inner core 400 is provided with a piston inner core water through hole 410 which is communicated with the push-pull pipe water through hole 110 along the axial direction, the lower part of the piston inner core 400 is provided with a plurality of piston inner core radial water outlets 420, and the piston inner core radial water outlets 420 are communicated with the piston inner core water through hole 410; when the piston inner core 400 moves to a lower station under the driving of the upper limiting sleeve 200, the radial water outlet 420 of the piston inner core is communicated with the test section pressurizing water passage 320; when the piston inner core 400 moves to an upper station, the piston inner core radial water outlet 420 is communicated with the rubber plug pressurizing water passage 330;
a test section steel pipe 500 is fixedly installed on the inner side of the lower part of the main flow dividing cylinder 300, a test section steel pipe water through hole 510 is formed in the center of the test section steel pipe 500 along the axial direction, and the test section steel pipe water through hole 510 is communicated with the test section pressurizing water passage 320; the rubber plug 600 is fixedly installed on the outer side of the lower portion of the main shunting barrel 300, the rubber plug 600 is sleeved outside the test section steel pipe 500, a rubber plug water through hole 610 is formed in a gap between the test section steel pipe 500 and the rubber plug water through hole 610, and the rubber plug water through hole 610 is communicated with the rubber plug pressurizing water through channel 330; a plug restraining collar 700 is provided on the outside of the rubber plug 600.
As a specific implementation, the parts are connected by:
the lower part of the upper limit sleeve 200 is provided with an upper limit sleeve lower end connecting thread 210, and is connected and fixed with the shunt main cylinder 300 through the upper limit sleeve lower end connecting thread 210.
The inner side of the lower end of the push-pull pipe 100 is provided with a push-pull pipe lower end connecting thread 120, and the push-pull pipe lower end connecting thread 120 is fixedly connected with the piston inner core 400.
The outer side of the lower end of the push-pull pipe 100 is provided with a push-pull pipe annular limiting bearing platform 130, and the push-pull pipe annular limiting bearing platform 130 slides up and down in the inner cavity of the upper limiting sleeve 200.
A sealing ring groove 310 is formed in the inner cavity of the main shunting barrel 300, a sealing ring 311 is installed in the sealing ring groove 310, and the sealing ring 311 is internally connected with the piston inner core 400 in a sealing mode through the piston inner core 400.
The number of the test section pressurized water passages 320 is five.
The inner side of the lower part of the main shunting barrel 300 is provided with a lower end test section steel pipe connecting thread 350, and the lower end test section steel pipe connecting thread 350 is used for realizing connection with a test section steel pipe 500;
the lower end plug connecting thread 360 is arranged on the outer side of the lower part of the main shunting barrel 300, and the lower end plug connecting thread 360 is connected with the rubber plug 600.
The lower part of the main flow dividing cylinder 300 is provided with a water through hole 340; one end of the water through hole 340 is communicated with the test section pressurizing water passage 320; the other end of the water through hole 340 is communicated with a test section steel pipe water through hole 510.
In this embodiment, the calibers of the water passing assemblies of the push-pull switch device are set to be large calibers, so that the test requirement of passing large-flow water flow is met, and the specific parameters can be as follows:
the diameter of the push-pull pipe water through hole 110 is 20mm, and large flow of water can pass through the push-pull pipe water through hole.
The diameter of the water through hole 410 of the piston inner core is 18mm; the diameter of the radial water outlet 420 of the piston inner core is 6mm, the specific number of the water outlets can be 8, and the water can flow through a large flow of water.
The main flow dividing cylinder 300 is provided with two water passing channels, wherein one of the two water passing channels is a test section pressurizing water passing channel 320, the diameter of the test section pressurizing water passing channel is 6mm, 5-7 water passing channels are arranged, and large-flow water flow can pass through the test section pressurizing water passing channel; the diameter of the rubber plug pressurizing water channel 330 is 6mm, and one rubber plug pressurizing water channel is arranged.
The diameter of the test section steel pipe water through hole 510 is 18mm, and large-flow water flow can pass through the test section steel pipe water through hole.
The utility model provides a high-pressure pressurized-water is with large-traffic push-and-pull switch, its theory of operation is:
the push-pull pipe 100 can move up and down in the upper limit sleeve 200 to drive the piston inner core 400 to move up and down in the main flow dividing cylinder 300, and at the moment, the piston inner core radial water outlet 420 of the piston inner core 400 can be respectively communicated with the rubber plug pressurizing water passage 330 and the test section pressurizing water passage 320 and is communicated with the rubber plug pressurizing water passage through the O-shaped sealing ring, namely: the seal ring 311 performs high-pressure sealing, isolates the two passages from each other, and allows high-pressure water to flow therethrough.
Specifically, the method comprises the following steps:
when the push-pull switch is in a lifting state, the push-pull pipe 100 is positioned at an upper station, and at the time, the states are shown in fig. 3 and 4, the piston inner core radial water outlet 420 of the piston inner core 400 is communicated with the rubber plug pressurizing water passage 330 of the shunt main cylinder 300, high-pressure water flow is injected into the equipment pipeline, and the rubber plug 600 expands and is fixed in the drill hole; the flow path of the water flow is as follows: the push-pull pipe water through hole 110-the piston inner core water through hole 410-the piston inner core radial water outlet 420-the rubber plug pressurized water through channel 330-the rubber plug water through hole 610.
And then, the push-pull switch is pushed to enable the push-pull pipe 100 to be positioned at a lower station, at the moment, the states are shown in the figures 1 and 2, the piston inner core radial water outlet 420 of the piston inner core 400 is communicated with the test section pressurizing water passage 320 of the flow dividing main cylinder 300, and high-pressure water flow can be injected into the test section drilling rock body through 5-7 test section pressurizing water passages to carry out a test. The flow path of the water flow is as follows: the test section comprises a push-pull pipe water through hole 110, a piston inner core water through hole 410, a piston inner core radial water outlet 420, a test section pressurizing water through channel 320, a water through hole 340 and a test section steel pipe water through hole 510.
The utility model has the advantages that:
1. the caliber of each water passing assembly of the push-pull switch device is set to be large, so that the test requirement of passing large-flow water flow is met;
2. a water passage for pressurizing the rubber plug and 5-7 water passages for pressurizing the test section are ingeniously arranged in the main flow dividing cylinder, and the requirement of high-flow water passing of a high-pressure water pressing test is met under the condition that the outer diameter of the device is not increased.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. 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 include only a single embodiment, and such description is for clarity only, and those skilled in the art will recognize that the embodiments may be combined as appropriate.
Claims (9)
1. A high-flow push-pull switch for high-pressure water pressing is characterized by comprising: the device comprises a push-pull pipe (100), an upper limiting sleeve (200), a shunt main cylinder (300), a piston inner core (400), a test section steel pipe (500), a rubber plug (600) and a plug limiting lantern ring (700);
two sides of the main shunting barrel (300) are respectively provided with a test section pressurizing water passage (320) and a rubber plug pressurizing water passage (330) along the axial direction;
the upper part of the main shunting barrel (300) is fixedly provided with the upper limiting sleeve (200); the center of the upper limit sleeve (200) is provided with an axial push-pull pipe water through hole (110); the piston inner core (400) is fixedly installed at the bottom of the upper limiting sleeve (200); the center of the piston inner core (400) is provided with a piston inner core water through hole (410) communicated with the water through hole (110) of the push-pull pipe along the axial direction, the lower part of the piston inner core (400) is provided with a plurality of piston inner core radial water outlets (420), and the piston inner core radial water outlets (420) are communicated with the piston inner core water through hole (410); when the piston inner core (400) moves to a lower station under the driving of the upper limiting sleeve (200), the radial water outlet (420) of the piston inner core is communicated with the test section pressurizing water passage (320); when the piston inner core (400) moves to an upper station, the piston inner core radial water outlet (420) is communicated with the rubber plug pressurizing water passing channel (330);
the test section steel pipe (500) is fixedly mounted on the inner side of the lower part of the main shunting barrel (300), a test section steel pipe water through hole (510) is formed in the center of the test section steel pipe (500) along the axial direction, and the test section steel pipe water through hole (510) is communicated with the test section pressurizing water passing channel (320); the rubber plug (600) is fixedly installed on the outer side of the lower portion of the main shunting barrel (300), the rubber plug (600) is sleeved outside the test section steel pipe (500), a rubber plug water passing hole (610) is formed in a gap between the rubber plug water passing hole and the test section steel pipe (500), and the rubber plug water passing hole (610) is communicated with the rubber plug pressurizing water passing channel (330); the plug limiting collar (700) is arranged outside the rubber plug (600).
2. The large-flow push-pull switch for high-pressure pressurized water according to claim 1, wherein the lower part of the upper limit sleeve (200) is provided with an upper limit sleeve lower end connecting thread (210), and the upper limit sleeve lower end connecting thread (210) is fixedly connected with the main shunting barrel (300).
3. The large flow push-pull switch for high pressure water pumping according to claim 1, wherein the push-pull pipe (100) is provided with a push-pull pipe lower end connecting thread (120) inside the lower end thereof, and is fixedly connected with the piston inner core (400) through the push-pull pipe lower end connecting thread (120).
4. The large-flow push-pull switch for high-pressure pressurized water according to claim 1, wherein a push-pull pipe annular limiting bearing platform (130) is arranged outside the lower end of the push-pull pipe (100), and the push-pull pipe annular limiting bearing platform (130) slides up and down in the inner cavity of the upper limiting sleeve (200).
5. The high-flow push-pull switch for high-pressure pressurized water according to claim 1, wherein a seal ring groove (310) is formed in a cylinder inner cavity of the main flow dividing cylinder (300), a seal ring (311) is installed in the seal ring groove (310), and the seal ring (311) is internally provided with the piston inner core (400) to realize the sealing connection between the main flow dividing cylinder (300) and the piston inner core (400).
6. The large flow push-pull switch for high pressure water according to claim 1, wherein the number of the test section pressurized water passage (320) is five.
7. The large-flow push-pull switch for high-pressure pressurized water according to claim 1, wherein a lower test section steel pipe connecting thread (350) is arranged on the inner side of the lower part of the main flow dividing cylinder (300), and the lower test section steel pipe connecting thread (350) is used for connecting with the test section steel pipe (500);
the lower part outside of reposition of redundant personnel main barrel (300) sets up lower extreme embolism connecting thread (360), through lower extreme embolism connecting thread (360), realize with the connection of rubber stopper (600).
8. The high-flow push-pull switch for high-pressure water pressurization according to claim 1, wherein the lower part of the main flow dividing cylinder (300) is provided with a water through hole (340); one end of the water through hole (340) is communicated with the test section pressurizing water through channel (320); the other end of the water through hole (340) is communicated with the water through hole (510) of the test section steel pipe.
9. The large-flow push-pull switch for high-pressure water pressurization according to claim 1, wherein the diameter of the water through hole (110) of the push-pull pipe is 20mm; the diameter of the water through hole (410) of the piston inner core is 18mm; the diameter of the radial water outlet (420) of the piston inner core is 6mm; the diameter of the test section pressurizing water channel (320) is 6mm; the diameter of the rubber plug pressurizing water passage (330) is 6mm; the diameter of the water through hole (510) of the test section steel pipe is 18mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222248159.8U CN217981083U (en) | 2022-08-25 | 2022-08-25 | High-flow push-pull switch for high-pressure water pressing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222248159.8U CN217981083U (en) | 2022-08-25 | 2022-08-25 | High-flow push-pull switch for high-pressure water pressing |
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| Publication Number | Publication Date |
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| CN217981083U true CN217981083U (en) | 2022-12-06 |
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| CN202222248159.8U Active CN217981083U (en) | 2022-08-25 | 2022-08-25 | High-flow push-pull switch for high-pressure water pressing |
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| CN (1) | CN217981083U (en) |
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- 2022-08-25 CN CN202222248159.8U patent/CN217981083U/en active Active
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