Drilling water pressure test device

By designing an automated borehole water pressure testing device and utilizing support and adjustment mechanisms to achieve automated water pressure control, the problems of time-consuming, labor-intensive, and error-prone processes in existing technologies have been solved, thus realizing efficient and accurate borehole water pressure testing.

CN223594164UActive Publication Date: 2025-11-25HUNAN LIANZHI BRIDGE & TUNNEL TECH
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Patent Information

Application Number
CN202423220896.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-25
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing borehole water pressure testing equipment is time-consuming and labor-intensive. Manual judgment of whether the pressure meets the requirements of each test stage has a large error, and there is a lack of fully automatic pressure increase, decrease and constant pressure control.

Method used

A borehole water pressure test device including a support mechanism and an adjustment mechanism was designed. The device uses a controller and multiple regulators to achieve automated water pressure control. Combined with a water flow sensor and pressure control components, it can achieve automatic pressure increase and decrease and constant pressure, reducing manual intervention.

Benefits of technology

It improves the automation level of the test process, reduces human error, saves manpower, achieves accurate data collection and processing, is easy to operate, and improves test efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of water pressure tests, in particular to a drilling water pressure test device which comprises a supporting mechanism used for supporting the whole device, the supporting mechanism comprises a supporting table, and an adjusting mechanism used for automatically increasing and decreasing water pressure is arranged on the supporting mechanism. The adjusting mechanism comprises a working table fixedly connected to the supporting table, and a controller is installed on the working table. By arranging the adjusting mechanism, the device can automatically control and adjust the water pressure, the pressure control assembly is adjusted through the controller, when the device is used, the first valve is firstly opened, pressurization is conducted, the third valve and the fourth valve are closed, the second valve is opened, the instrument is automatically pressurized to 3 Mpa, a hole channel is filled with the water stop plug, and the water stop plug is completely blocked; and the second valve is closed to maintain the pressure, so that the pressure in the test process can be simply and conveniently adjusted and controlled without manually judging whether the pressure meets the requirement, and the operation is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water pressure test technical field, concretely is a kind of borehole water pressure test device. BACKGROUND

[0002] Borehole water pressure test device is mainly used to determine the water permeability of rock-soil or reinforcement layer, and provide basic data for evaluating the permeability characteristics of rock mass or reinforcement body and designing seepage control measures. The borehole water pressure test device in the prior art is generally simple, and there is a time-consuming and labor-consuming phenomenon. Only the flow is detected and displayed every certain time, and then the pressure is manually judged whether it meets the requirements of each test stage, and the pressure is controlled according to the different requirements of each stage. This traditional method is time-consuming and labor-intensive. UTILITY MODEL CONTENT

[0003] In view of the deficiencies of the prior art, the utility model provides a borehole water pressure test device, which has the advantages of automatic pressure increase and decrease by microcomputer, full-automatic water pressure and grouting control, time and labor saving, and accurate data, solving the problem of large error caused by manual judgment of whether the pressure meets the requirements of each test stage in the prior art.

[0004] To solve the above technical problems, the utility model provides the following technical scheme:

[0005] A borehole water pressure test device, comprising a supporting mechanism for supporting the whole device, the supporting mechanism comprising a supporting table, an adjusting mechanism for automatically increasing and decreasing water pressure is arranged on the supporting mechanism, the adjusting mechanism comprises a workbench fixedly connected to the supporting table, a controller is installed on the workbench, a plurality of adjusters are installed on the controller, a pressure vessel is installed on the supporting table, a pressure control water pump is installed on the supporting table, a pressurizing pipeline is installed between the pressure vessel and the pressure control water pump, a pressure gauge is installed on the pressurizing pipeline, a pressure control assembly is arranged on the pressurizing pipeline, a water stop plug is installed in the pressurizing pipeline, and a water flow sensor is installed at the water inlet of the pressure vessel.

[0006] Preferably, the pressure control assembly comprises first, second, third and fourth valves installed on the pressurizing pipeline respectively.

[0007] Preferably, a plurality of universal wheels are installed on the bottom of the supporting table, a push handle frame is installed on the top of the supporting table, a protective side plate is fixedly connected to the supporting table, and a top plate is fixedly connected to the protective side plate.

[0008] Preferably, the plurality of adjusters are four in number, numbered one, two, three and four, and correspond to the first, second, third and fourth valves respectively.

[0009] Preferably, the first regulator is used to control pressure relief or pressurization of the pressure vessel, the second regulator is used to pressurize the water stop plug, the third regulator is used to pressurize the test section, and the fourth regulator is used to control the standby valve.

[0010] Preferably, the pressure vessel is respectively provided with a water injection nozzle for water injection and a blowdown valve for water discharge.

[0011] By means of the above technical scheme, the drilling water pressure test device has at least the following beneficial effects:

[0012] 1. The adjusting mechanism is arranged to automatically control and adjust the water pressure, the controller is used to adjust the pressure control assembly, when the device is used, the first valve is opened, pressurization is performed, the third valve and the fourth valve are closed, the second valve is opened, the instrument is automatically pressurized to 3Mpa, the water stop plug is filled, the hole is completely blocked, the second valve is closed at this time, the pressure is maintained, the pressure of the test process can be simply and conveniently adjusted and controlled, whether the pressure meets the requirement is not required to be judged manually, and the device is convenient to operate.

[0013] 2. The supporting mechanism is arranged to simply and conveniently load the whole test device, the main pressure control and the plug filling pressure source are centrally arranged by the protective side plate and the top plate, the device is convenient to move, the water flow sensor is used to automatically collect flow data, and the controller is used to automatically analyze and judge. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the principles of the present application:

[0015] Figure 1 Fig. 1 is a three-dimensional structural schematic view of the present application;

[0016] Figure 2 Fig. 4 is a structural schematic view of the adjusting mechanism of the present application;

[0017] Figure 3 Fig. 5 is a structural schematic view of the pressure control assembly of the present application;

[0018] Figure 4 Fig. 6 is a sectional structural schematic view of the adjusting mechanism of the present application.

[0019] REFERENCE SIGNS

[0020] 1, support mechanism; 101, support table; 102, universal wheel; 103, push frame; 104, protective side plate; 105, top plate; 2, adjusting mechanism; 201, workbench; 202, controller; 203, regulator; 204, pressure vessel; 205, pressure control pump; 206, pressurizing pipeline; 207, pressure gauge; 208, pressure control assembly; 2081, first valve; 2082, second valve; 2083, third valve; 2084, fourth valve; 209, water stop plug; 210, water flow sensor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] At present, the test equipment used in the drilling water pressure test is generally simple, and time and labor are consumed. Only the flow is detected and displayed every certain time, and then the pressure is manually judged whether it reaches the requirement of each test stage, and the pressure is controlled according to the different requirements of each stage. This traditional method needs many personnel, is low in efficiency, and may cause data omission, misrecording, even artificial concealment. The current technology can automatically collect the data in the drilling water pressure test process and automatically process the collected data, but there is no complete set of equipment, and the pressure cannot be automatically increased and decreased and kept constant. Some embodiments of the utility model are described below in combination with the drawings to provide a drilling water pressure test device.

[0023] The utility model will be further described in detail in combination with the drawings and embodiments:

[0024] In order to improve the automation in the whole water pressure test process, in combination with Figures 1-4 As shown in the figure, a drilling water pressure test device is proposed, a support mechanism 1 is arranged to support the whole device, an adjusting mechanism 2 is arranged on the support mechanism 1, and the adjusting mechanism 2 is used to automatically increase and decrease the water pressure, which greatly improves the simplicity.

[0025] In order to automatically increase and decrease the water pressure, the present application provides a regulating mechanism 2, which is fixedly connected on a support table 101, a workbench 201 is installed on the support table 101, a plurality of regulators 203 are installed on a controller 202, a pressure container 204 is installed on the support table 101, a water injection nozzle for water injection and a sewage valve for water discharge are respectively installed on the pressure container 204, a pressure control water pump 205 is installed on the support table 101, a pressurizing pipeline 206 is installed between the pressure container 204 and the pressure control water pump 205, a pressure gauge 207 is installed on the pressurizing pipeline 206, a pressure control assembly 208 is arranged on the pressurizing pipeline 206, a water stop plug 209 is installed in the pressurizing pipeline 206, and a water flow sensor 210 is installed at the water inlet of the pressure container 204.

[0026] The pressurizing pipeline 206 is a steel pipe with an inner diameter of 40 mm, which is set according to the standard segment length and is marked with scales, and the joint part is locked by a 42 mm drill rod lock hand (mainly used for locking at the hole when the pipe is lowered and lifted to prevent the pipe from falling), and the length is contained in the standard segment length. The steel pipe length is set according to 0.1 m, 0.2 m, 0.5 m, 1 m, 2 m, 3 m and 4 m external threads, which can be freely combined into any length, and the water pipe conforms to the commonly used water pipe specifications, which is convenient for on-site material and modification. Among them, two specially made 1.5 m steel pipes are integrated with the water stop plug 209, and a specially made 2 m flower pipe is used for water supply. The water stop plug 209 is arranged in the steel pipe for plugging and pressurizing.

[0027] The water flow sensor 210 is a Hall water flow sensor; the pressure control water pump 205 is powered by a motor, which is two-pole variable speed by belt pulley and gear, and the eccentric wheel rotates to drive the connecting rod and guide column, so as to drive the water pump plunger to reciprocate and work, and supply the required water pressure for the test; the pressure container 204 is a small container with water storage and energy storage functions, which can also reduce the pulse of the pressure water. Before the test, the container is filled with water through the water injection nozzle by the funnel, and after the test is completed, the water in the pressure container 204 is discharged through the sewage valve;

[0028] A display instrument is installed on the workbench 201, which is set and displayed by true color liquid crystal, integrates microcomputer computer technology processing and printing, is widely used in engineering fields such as geological exploration and disaster control, and can also be applied to highway compaction, high-speed railway karst and other foundation engineering grouting. It can record, save and print the hole number, start / stop time, depth, flow, pressure, total flow and other parameters in the whole water pressure and grouting process in real time, process the collected data, automatically control the pressure to automatically increase and decrease the pressure and set the constant pressure. It is convenient to operate, can save a lot of manpower, and can prevent false and wrong reports. It covers the whole process, the related supporting facilities are simple to manufacture, have strong adaptability, are easy to take materials on site, and are easy to modify and operate.

[0029] During the pressurization process, the controller 202 is controlled, without manual pressure regulation, high control accuracy, fast reaction, stable and reliable technical performance, reasonable circuit and panel design, and convenient operation. The device can automatically pressurize according to three-stage pressure and five stages (i.e. P1-P2-P3-P4 (=P2)-P5 (=P1), P1

[0030] The pressure control assembly 208 is composed of a first valve 2081, a second valve 2082, a third valve 2083 and a fourth valve 2084 installed on the pressurizing pipeline 206, and four regulators 203 numbered one, two, three and four correspondingly to the first valve 2081, the second valve 2082, the third valve 2083 and the fourth valve 2084. The first regulator is specially used to control the pressure relief or pressurization of the pressure vessel 204, the second regulator is used to pressurize the water stop plug 209, the third regulator is used to pressurize the test section, and the fourth regulator controls the standby valve.

[0031] The support mechanism 1 is mainly composed of a support table 101, the bottom of the support table 101 is provided with a plurality of universal wheels 102, the top of the support table 101 is provided with a push handle frame 103, the support table 101 is fixedly connected with a protective side plate 104, the protective side plate 104 is fixedly connected with a top plate 105, the device as a whole can be moved conveniently through the push handle frame 103 and the plurality of universal wheels 102, and the main pressure control and plug filling pressure source are placed centrally through the protective side plate 104 and the top plate 105.

[0032] It should be noted that the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article or device.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for water pressure test of boreholes, comprising a support mechanism (1) for supporting the device as a whole, said support mechanism (1) comprising a support table (101), characterized in that: The support mechanism (1) is provided with an adjusting mechanism (2) for automatically increasing and reducing water pressure; The adjusting mechanism (2) comprises a workbench (201) fixedly connected to a support table (101), a controller (202) is installed on the workbench (201), a plurality of adjusters (203) are installed on the controller (202), a pressure container (204) is installed on the support table (101), a pressure control water pump (205) is installed on the support table (101), a pressurizing pipeline (206) is installed between the pressure container (204) and the pressure control water pump (205), a pressure gauge (207) is installed on the pressurizing pipeline (206), a pressure control assembly (208) is arranged on the pressurizing pipeline (206), a water stop plug (209) is installed in the pressurizing pipeline (206), and a water flow sensor (210) is installed at the water inlet of the pressure container (204).

2. A device for conducting a packer test according to claim 1, characterized in that: The pressure control assembly (208) comprises first, second, third and fourth valves (2081, 2082, 2083 and 2084) installed on the pressurizing pipeline (206) respectively.

3. A device for conducting a packer test according to claim 2, wherein: A plurality of universal wheels (102) are installed on the bottom of the support table (101), a push handle frame (103) is installed on the top of the support table (101), a protective side plate (104) is fixedly connected to the support table (101), and a top plate (105) is fixedly connected to the protective side plate (104).

4. A packer permeameter according to claim 3, wherein: The plurality of adjusters (203) are four in total, numbered one, two, three and four, and correspond to the first, second, third and fourth valves (2081, 2082, 2083 and 2084) respectively.

5. A device for conducting a packer test according to claim 4, characterized in that: The first adjuster is specially used for controlling unloading or pressurizing of the pressure container (204), the second adjuster is used for pressurizing the water stop plug (209), the third adjuster is used for trial section pressurizing, and the fourth adjuster controls a standby valve.

6. The device of claim 1, wherein: The pressure container (204) is respectively provided with a water injection nozzle for water injection and a blowdown valve for water discharge.