CN212837765U - Single-pipe method water pressure tester - Google Patents
Single-pipe method water pressure tester Download PDFInfo
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- CN212837765U CN212837765U CN202020802843.4U CN202020802843U CN212837765U CN 212837765 U CN212837765 U CN 212837765U CN 202020802843 U CN202020802843 U CN 202020802843U CN 212837765 U CN212837765 U CN 212837765U
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Abstract
The utility model provides a single-pipe process pressure water tester, including hollow first drilling rod catcher, movable inner tube, direction outer tube and hollow second drilling rod catcher, be provided with several stagnant water rubber ball between first drilling rod catcher and the direction outer tube, stagnant water rubber ball concatenates on movable inner tube, be provided with the first baffler of establishing ties with movable inner tube between stagnant water rubber ball and the first drilling rod catcher, be provided with the second baffler of establishing ties with movable inner tube between the stagnant water rubber ball, be provided with the third baffler of establishing ties with movable inner tube between stagnant water rubber ball and the direction outer tube. The utility model discloses a stagnant water rubber ball concatenates on movable inner tube, directly goes into the drilling with the pressurized-water tester in, through movable inner tube downstream, makes stagnant water rubber ball extrusion inflation, seals drilling test section to carry out the pressurized-water test, very big improvement work efficiency.
Description
Technical Field
The utility model belongs to the technical field of hydraulic engineering survey equipment, specifically speaking, single-pipe method water pressure tester
Background
In hydraulic engineering drilling, a water pressure test is often required, namely, a high-pressure mode is used for pressing water into a drilling test section, and an in-situ test for knowing the development condition and water permeability of rock mass cracks is carried out according to the calculated water permeability of the rock mass. The pressurized water test according to the drilling process comprises two methods, one is to carry out the pressurized water test by lifting the drill, and the other is to carry out the pressurized water test by wire line coring while drilling without lifting the drill.
The wire line coring drilling is an advanced method at present without lifting a drill to perform a pressurized water test, a special pressurized water test device while drilling is adopted, and the working efficiency is improved by matching the characteristics of the wire line coring process. Now, research about this kind of pressurized water test device along with boring has been related to, like the rope coring drilling that chinese utility model patent CN202039837U disclosed does not pull up drilling pressurized water test device to and the aperture 75mm rope coring drilling that chinese utility model patent CN201747350U disclosed does not pull up drilling pressurized water test's device, but pressurized water test device along with boring mostly has the structure complicacy, the fault rate is high, the big scheduling problem of the operation degree of difficulty, the demand of satisfying on-the-spot drilling work that can not be fine, present widely used still carries to bore and carries out pressurized water test.
Disclosure of Invention
In order to overcome the problems, the utility model aims to provide a single-pipe method water-pressure tester, its simple structure, easy and simple to handle, reliability are high for water-pressure test efficiency has had very big improvement.
In order to achieve the purpose, the utility model is realized by the following technical proposal:
a single-pipe method water pressure tester comprises a hollow first drill rod joint, a movable inner pipe, a guide outer pipe and a hollow second drill rod joint, a water inlet is arranged on the side surface of the first drill rod joint, one end of the movable inner pipe is fixedly connected with the first drill rod joint, the other end of the movable inner pipe extends into the guide outer pipe, one end of the movable inner pipe extending into the guide outer pipe is connected with a hollow sleeve head, the lower end of the guide outer pipe is fixedly connected with a second drill rod connector, the second drill rod catcher is provided with a second water outlet hole, a plurality of water stopping rubber balls are arranged between the first drill rod catcher and the guide outer pipe, the water-stopping rubber ball is connected in series with the movable inner pipe, a first blocking plate connected in series with the movable inner pipe is arranged between the water-stopping rubber ball and the first drill rod catcher, and a second separation plate connected with the movable inner pipe in series is arranged between the water stopping rubber balls, and a third separation plate connected with the movable inner pipe in series is arranged between the water stopping rubber balls and the guide outer pipe.
Further, the outer diameters of the first blocking plate, the second blocking plate and the third blocking plate are equal to the outer diameter of the water stop rubber ball.
Furthermore, at least 3 water-stopping rubber balls are arranged, a bayonet is arranged on the sleeve head,
furthermore, the first drill rod catcher and the movable inner pipe are provided with water flow channels which are communicated with each other.
Compared with the prior art, the invention has the beneficial effects that:
1. the utility model discloses a stagnant water rubber ball concatenates on movable inner tube, directly goes into the drilling with the pressurized-water tester in, through movable inner tube downstream, makes stagnant water rubber ball extrusion inflation, seals drilling test section to carry out the pressurized-water test, very big improvement work efficiency.
2. The utility model discloses a water pressure tester simple structure, the reliability is high, low in manufacturing cost. The utility model adopts the drill rod catcher and the movable inner tube as the water supply pipe, integrates the water supply pipe and the drill rod catcher, and utilizes the movable inner tube to connect the water stopping rubber ball in series to form a whole, thereby providing good sealing and isolating effects when the water stopping rubber ball expands; in addition, the design of a traditional hole bottom water supply pipe special for the hole bottom is cancelled, the drill rod is skillfully and directly utilized as the water supply pipe, the structural design is simplified, and the processing and the manufacturing are easier.
3. Adopt the utility model discloses a carry out sealed water logging under pressure tester through stagnant water rubber ball, easy operation, low in labor strength. The active drill rod hydraulic system is utilized to apply pressure to the water pressure tester, so that the expansion of the rubber ball is tightly combined with the hole wall and the movable inner tube of the water pressure tester, the sealing work can be effectively finished, the construction process is simple to operate, special training is not needed, and operators are liberated from the traditional complex procedures.
4. The utility model discloses a water pressure tester adaptability is wide, can be according to practical application, uses with equipment such as engineering driller's own drilling rod, hydraulic pressure, water pump are supporting, has the cost low, and is small, easy dismounting, characteristics such as simple easy operation once release, can utilize widely rapidly for water pressure test efficiency has had very big improvement.
Drawings
Fig. 1 is a schematic structural view of the water pressure tester of the present invention.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "lateral," "vertical," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in fig. 1 to facilitate the description of the invention and to simplify the description, but do not indicate or imply that the device or structure being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be taken as limiting the invention.
The following is further illustrated with reference to fig. 1: the utility model relates to a pressure water experimental apparatus, the topmost is first drilling rod catcher 1, and the upper end can be connected the drilling rod, its inside is hollow, it has bayonet 11 to open on the first drilling rod catcher 1, make things convenient for the spanner to unload the drilling rod or put the pallet fork and support the drilling rod, first drilling rod catcher 1 lower extreme rigid coupling movable inner tube 2, movable inner tube 2 is hollow, movable inner tube 2 concatenates several stagnant water rubber ball 5, the quantity of stagnant water rubber ball 5 can not be less than three, be provided with the baffler between stagnant water rubber ball 5, the baffler is a ring, the centre is porose, the hole is the same as the rubber ball, wear, the baffler establishes ties with movable inner tube 2, the baffler that sets up between stagnant water rubber ball 5 and first drilling rod catcher 1 is first baffler 6, the baffler between stagnant water rubber ball 5 is called second baffler 7, the external diameter of baffler equals the external diameter of stagnant water rubber ball 5, the lower end of the movable inner pipe 2 is fixedly connected with a sleeve head 21, the sleeve head 21 is hollow, the sleeve head 21 is arranged in the guide outer pipe 3, the guide outer pipe 3 is hollow, the upper end and the lower end of the guide outer pipe are closed, the upper end is provided with a through hole for the movable inner pipe to enter, the lower end of the guide outer pipe 3 is fixedly connected with a second drill rod connector 4, the second drill rod connector 4 is provided with a second water outlet hole 41, water flow enters the first drill rod connector 1, the movable inner pipe 2, the guide outer pipe 3 and the second drill rod connector 4 from an upper drill rod in sequence and enters a test section from the water outlet hole 41, the first drill rod connector 1 and the second drill rod connector 4 are provided with internal screw threads and external screw threads at the lower parts and are specially used for connecting drill rods, the water pressure test further comprises an active drill rod, a pressure gauge, a water return pipe gate valve, a water pump, a drill rod and a drilling machine, wherein the drill rod extends into, the active drill rod extends out of the hole, a water supply pipe is connected to the upper end of the active drill rod and is connected with a pressure gauge, a water return pipe gate valve and a water pump, the water pump is arranged in the drilling machine, the drilling machine is connected with the active drill rod and provides power for the active drill rod, and a hydraulic system is arranged on the drilling machine and applies pressure to the water pressure tester.
The using method comprises the following steps: the equipment is mainly used for the field water-pressurizing test of engineering geological exploration. During the test, a first drill rod catcher 1 at the upper end of a water pressure tester rod is connected with drill rods, one drill rod is connected with the ground, a second drill rod catcher at the lower end of the water pressure tester rod is also connected with the drill rods, the device is placed in a hole and is connected with a driving drill rod, a water supply pipe of the driving drill rod is sequentially connected with a pressure gauge, a water meter and a water pump, a driving drill rod hydraulic system is used for applying pressure to the water pressure tester, the lower part of a guide outer pipe is fixedly supported by the drill rods, the upper end of a movable inner pipe moves downwards after being pressed by pressure, a water stopping rubber ball expands under the extrusion of a separation plate, the expanded water stopping rubber ball is tightly combined with a hole wall and the movable inner pipe of the water pressure tester, the water is supplied by the water pump, a gate valve of a return pipe controls the pressure. When rivers pass through the pressurized-water tester, flow in from the opening part of first drilling rod catcher upper end, then through movable inner tube, flow in the direction outer tube from the first apopore of movable inner tube, then flow in second drilling rod catcher through the direction outer tube, then flow out from the apopore of second drilling rod catcher lower extreme.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a single-pipe method pressurized water tester, includes hollow first drilling rod catcher (1), movable inner tube (2), direction outer tube (3) and hollow second drilling rod catcher (4), its characterized in that: one end of the movable inner pipe (2) is fixedly connected with a first drill rod joint (1), the other end of the movable inner pipe extends into the guide outer pipe (3), one end of the movable inner pipe (2) extending into the guide outer pipe (3) is connected with a hollow sleeve head (21), a first water outlet hole (22) is formed in the sleeve head (21), the lower end of the guide outer pipe (3) is fixedly connected with a second drill rod joint (4), a second water outlet hole (41) is formed in the second drill rod joint (4), a plurality of water stopping rubber balls (5) are connected in series outside the movable inner pipe (2) between the first drill rod joint (1) and the guide outer pipe (3), the water stopping rubber balls (5) are connected in series on the movable inner pipe (2), a first blocking plate (6) connected in series with the movable inner pipe (2) is arranged between the water stopping rubber balls (5) and the first drill rod joint (1), and a second blocking plate (7) connected in series with the movable inner pipe (2) is arranged between the water stopping rubber balls (5), and a third separation plate (8) connected with the movable inner pipe (2) in series is arranged between the water stop rubber ball (5) and the guide outer pipe (3).
2. The single-tube process water-pressure tester of claim 1, wherein: the outer diameters of the first blocking plate (6), the second blocking plate (7) and the third blocking plate (8) are equal to the outer diameter of the water stop rubber ball (5).
3. The single-tube process water-pressure tester according to claim 1 or 2, characterized in that: bayonet socket (11) have been seted up to first drilling rod catcher (1) side, stagnant water rubber ball (5) set up 3 at least.
4. The single-tube process water-pressure tester according to claim 1 or 2, characterized in that: and the first drill rod catcher (1) and the movable inner pipe (2) are provided with water flow channels which are communicated with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020802843.4U CN212837765U (en) | 2020-05-14 | 2020-05-14 | Single-pipe method water pressure tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020802843.4U CN212837765U (en) | 2020-05-14 | 2020-05-14 | Single-pipe method water pressure tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212837765U true CN212837765U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020802843.4U Active CN212837765U (en) | 2020-05-14 | 2020-05-14 | Single-pipe method water pressure tester |
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| CN (1) | CN212837765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837603A (en) * | 2022-05-25 | 2022-08-02 | 江苏省工程勘测研究院有限责任公司 | Borehole water-pressurizing test plug and system |
-
2020
- 2020-05-14 CN CN202020802843.4U patent/CN212837765U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837603A (en) * | 2022-05-25 | 2022-08-02 | 江苏省工程勘测研究院有限责任公司 | Borehole water-pressurizing test plug and system |
| CN114837603B (en) * | 2022-05-25 | 2024-05-07 | 江苏省工程勘测研究院有限责任公司 | Drilling pressurized water test plug and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230518 Address after: 276000 No.11, Beijing Road, Lanshan District, Linyi City, Shandong Province Patentee after: Linyi Water Conservancy Survey and Design Institute of Shandong Province Address before: 276002 No.11, Beijing Road, Lanshan District, Linyi City, Shandong Province Patentee before: Cheng Shoujin |
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| TR01 | Transfer of patent right |