阅读说明：本技术 一种无水钻孔声波检测与压水试验一体化装置 (Anhydrous drilling sound wave detection and water pressure test integrated device ) 是由 陈小平 杨弘 陈德玖 张晓阳 王长文 何平 梁义聪 陈志平 田茂祥 徐艳 陈益杰 于 2019-10-12 设计创作，主要内容包括：本发明提供一种无水钻孔声波检测与压水试验一体化装置,包括供水设备、止水设备、打压设备,其中供水设备包括恒压水泵、进水管、导水管和花管；止水设备包括上栓塞与下栓塞；花管侧壁均匀间隔固定设置有至少3个声波收发器,以实现声波检测；打压设备包括打压管,通过导水管注水,水通过花管进入试验段,以实现压水试验。巧妙利用声波检测与压水试验均需要进行注水的特性,将声波测试所用的声波收发器,设置于花管侧壁；在对试验段注水后,即可通过对各声波收发器进行声波收发控制,实现声波检测；同时,通过测量试验段长度、孔内半径以及试验段水量等参数,即可计算出透水率或渗透系数；操作方便,提高了工作效率。(The invention provides a waterless drilling sound wave detection and water pressing test integrated device which comprises water supply equipment, water stopping equipment and pressing equipment, wherein the water supply equipment comprises a constant-pressure water pump, a water inlet pipe, a water guide pipe and a flower pipe; the water stopping device comprises an upper plug and a lower plug; at least 3 sound wave transceivers are fixedly arranged on the side wall of the perforated pipe at uniform intervals so as to realize sound wave detection; the pressurizing equipment comprises a pressurizing pipe, water is injected through a water guide pipe, and water enters the test section through a floral tube to realize a pressurized-water test. Skillfully utilizing the characteristic that water injection is required for both sound wave detection and water pressure test, arranging a sound wave transceiver used for sound wave test on the side wall of the floral tube; after water is injected into the test section, sound wave receiving and transmitting control can be carried out on each sound wave transceiver, so that sound wave detection is realized; meanwhile, the water permeability or permeability coefficient can be calculated by measuring the length of the test section, the radius in the hole, the water quantity of the test section and other parameters; the operation is convenient, and the working efficiency is improved.)

1. A waterless drilling sound wave detection and water pressure test integrated device is characterized by comprising water supply equipment, water stopping equipment and pressing equipment, wherein the water supply equipment comprises a constant pressure water pump, a water inlet pipe, a water guide pipe and a flower pipe;

the water stopping device comprises an upper plug and a lower plug, the specifications of the upper plug and the lower plug are the same, the upper plug and the lower plug are both hollow cylinders, the diameter of a hollow part is the same as the outer diameter of the water guide pipe, the water guide pipe penetrates out of the hollow parts of the upper plug and the lower plug, the floral pipe is arranged between the upper plug and the lower plug, and the bottom of the floral pipe is sealed and impermeable;

at least 3 sound wave transceivers are fixedly arranged on the side wall of the perforated pipe at uniform intervals to realize sound wave detection;

the pressurizing equipment comprises a pressurizing pipe, the upper plug and the lower plug are pressurized through the pressurizing pipe, so that the upper plug, the lower plug, the hole wall and the side wall of the water guide pipe are in close contact without water leakage, a test section is formed between the upper plug and the lower plug, water is injected through the water guide pipe, and water enters the test section through the perforated pipe, so that a pressurized water test is realized.

2. The integrated device for sound wave detection and water pressure test in the waterless drill hole according to claim 1, wherein the water conduit is provided with a connector detachably connected with the drill rod.

3. The integrated device for the sound wave detection and the water pressure test of the waterless drill hole as recited in claim 2, wherein the connector comprises a circular ring which is arranged on the water conduit and has a diameter matched with the aperture of the drill pipe, and a thread structure is arranged on the side wall of the circular ring.

4. The integrated device for the sound wave detection and the water pressure test in the waterless drill hole according to any one of claims 1 to 3, wherein the upper plug and the lower plug are both expandable rubber plugs.

5. The integrated device for sound wave detection and water pressure test in a waterless drill hole according to any one of claims 1-3, wherein the water inlet pipe, the water conduit and the pressure pipe are all high-pressure pipes, and the perforated pipe is made of a non-metal material.

6. The integrated waterless borehole acoustic detection and water pressure test device of any one of claims 1-3, wherein the water conduit and the pressure pipe are fixed together by a clamp.

7. The integrated device for sound wave detection and water pressure test in the waterless drill hole according to any one of claims 1-3, wherein the upper plug is provided with a connecting part connected with a bearing rope.

8. The integrated device for sound wave detection and water pressure test in the waterless drill hole according to any one of claims 1-3, wherein a first pressure gauge is arranged on the water conduit.

9. The integrated waterless borehole acoustic detection and water pressure test device of any one of claims 1-3, wherein a second pressure gauge is disposed on the pressure pipe.

10. The integrated device for the sound wave detection and the water pressure test of the waterless drill hole as recited in any one of claims 1 to 3, wherein a flow meter is arranged on the water conduit for detecting the injection amount.

Technical Field

The invention relates to the technical field of geological exploration, in particular to a water-free borehole sound wave detection and water pressure test integrated device.

Background

At present, basic data are provided for evaluating permeability and integrity of a rock mass, the rock mass needs to be drilled, sound wave detection and water pressure tests are carried out on the drilled holes, generally, a probe provided with a sound wave transceiver is placed into an air bag or a water hose for the sound wave detection of the drilled holes, the air bag or the water hose is sunk to the depth to be measured of the drilled holes, water is injected into the air bag or the water hose for pressurization, the air bag or the water hose is in sealing contact with the hole wall, a ground (ultrasonic) sound wave control instrument controls the sound wave transmitter to transmit (ultrasonic) sound waves, fluctuation is transmitted to the sound wave receiver through water and the rock mass, and the sound wave velocity of the rock mass can be obtained. Thereby measuring the rock mass characteristics. In order to measure the permeability coefficient of the rock mass, a water pressure test is required after drilling, and a sectional water injection method is generally adopted for detection and evaluation. The sound wave detection and the water-pressurizing test are two common test means in the field of geological exploration, detection needs to be carried out through two sets of independent devices, the workload is large, how to utilize one set of device is to realize the water-pressurizing test when carrying out sound wave detection in a water-free borehole, the borehole test workload is greatly reduced, and the work efficiency is improved.

Disclosure of Invention

The invention provides an integrated device for sound wave detection and water pressure test of a waterless drill hole, which mainly solves the technical problems that: how to utilize a set of equipment, when carrying out sound wave detection, realize the pressurized-water test to reduce work load.

In order to solve the technical problem, the invention provides a waterless borehole acoustic wave detection and water pressure test integrated device, which comprises: the water supply device comprises a constant pressure water pump, a water inlet pipe, a water guide pipe and a floral tube, wherein the water inlet pipe is connected with the water guide pipe and the floral tube through the constant pressure water pump;

the water stopping device comprises an upper plug and a lower plug, the specifications of the upper plug and the lower plug are the same, the upper plug and the lower plug are both hollow cylinders, the diameter of a hollow part is the same as the outer diameter of the water guide pipe, the water guide pipe penetrates out of the hollow parts of the upper plug and the lower plug, the floral pipe is arranged between the upper plug and the lower plug, and the bottom of the floral pipe is sealed and impermeable;

at least 3 sound wave transceivers are fixedly arranged on the side wall of the perforated pipe at uniform intervals so as to realize sound wave detection;

the pressurizing equipment comprises a pressurizing pipe, the upper plug and the lower plug are pressurized through the pressurizing pipe, so that the upper plug, the lower plug, the hole wall and the side wall of the water guide pipe are in close contact without water leakage, a test section is formed between the upper plug and the lower plug, water is injected through the water guide pipe, and water enters the test section through the perforated pipe, so that a pressurized water test is realized.

Optionally, a connecting piece detachably connected with the drill rod is arranged on the water guide pipe.

Optionally, the connecting piece includes a circular ring arranged on the water conduit and having a diameter matched with the aperture of the drill rod, and a thread structure is arranged on the side wall of the circular ring.

Optionally, the upper plug and the lower plug are both expandable rubber plugs.

Optionally, the water inlet pipe, the water conduit and the pressing pipe are all high-pressure pipes, and the floral tube is made of a non-metal material.

Optionally, the water conduit and the pressing pipe are fixed together through a clamp.

Optionally, the upper plug is provided with a connecting portion connected with the load-bearing rope.

Optionally, a first pressure gauge is arranged on the water conduit.

Optionally, a second pressure gauge is arranged on the pressurizing pipe.

Optionally, a flow meter is arranged on the water conduit and used for detecting the injection amount.

The invention has the beneficial effects that:

the invention provides a waterless drilling sound wave detection and water pressing test integrated device which comprises water supply equipment, water stopping equipment and pressing equipment, wherein the water supply equipment comprises a constant pressure water pump, a water inlet pipe, a water guide pipe and a flower pipe; the water stopping device comprises an upper plug and a lower plug, the specifications of the upper plug and the lower plug are the same, the upper plug and the lower plug are both hollow cylinders, the diameter of the hollow part is the same as the outer diameter of the water guide pipe, the water guide pipe penetrates out of the hollow parts of the upper plug and the lower plug, the flower pipe is arranged between the upper plug and the lower plug, and the bottom of the flower pipe is sealed and impermeable; at least 3 sound wave transceivers are fixedly arranged on the side wall of the perforated pipe at uniform intervals so as to realize sound wave detection; the equipment of suppressing is including suppressing the pipe, suppresses with lower embolism through suppressing the pipe, makes last embolism, lower embolism and pore wall, aqueduct lateral wall form the in close contact and leak, makes at last embolism and form the test section down between the embolism, through the aqueduct water injection, water passes through the floral tube and gets into the test section to realize the pressurized-water test. Skillfully utilizing the characteristic that water injection is required for both sound wave detection and water pressure test, arranging a sound wave transceiver used for sound wave test on the side wall of the floral tube; after water is injected into the test section, sound wave receiving and transmitting control can be carried out on each sound wave transceiver, so that sound wave detection is realized; meanwhile, the water permeability or permeability coefficient can be calculated by measuring the length of the test section, the radius in the hole, the water quantity of the test section and other parameters; meanwhile, the sound wave detection and the water pressing test are realized, the workload is favorably reduced, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of an integrated device for acoustic detection and water pressure test of a waterless borehole according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of an acoustic transceiver according to a first embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following detailed description and accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.