CN113607357A - Single drill rod water pressure testing device - Google Patents
Single drill rod water pressure testing device Download PDFInfo
- Publication number
- CN113607357A CN113607357A CN202110880221.2A CN202110880221A CN113607357A CN 113607357 A CN113607357 A CN 113607357A CN 202110880221 A CN202110880221 A CN 202110880221A CN 113607357 A CN113607357 A CN 113607357A
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- drill rod
- pressure testing
- lifting
- oil cylinder
- testing device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/40—Investigating fluid-tightness of structures by using electric means, e.g. by observing electric discharges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention belongs to the technical field of mechanical design, and discloses a single drill rod water pressure testing device which comprises an upper rod assembly used for placing a drill rod and water pressure testing assemblies symmetrically arranged at two ends of the upper rod assembly, wherein each water pressure testing assembly comprises a base, a slide rail seat, a propulsion oil cylinder, a water inlet joint assembly and a base, and each upper rod assembly comprises a bottom plate, a guide plate, a lifting frame, a lifting oil cylinder, an upright post and a material lifting plate. The single drill rod water pressure testing device provided by the invention is mainly used for smoothly placing a drill rod to a corresponding height, sealing two ends of the drill rod, and injecting high-pressure water between an inner pipe and an outer pipe of the drill rod so as to test the resistance value between the inner pipe and the outer pipe of the drill rod, thereby judging the sealing property of joints at two ends of the drill rod; meanwhile, the up-and-down mechanization of the drill rod is realized, the manual operation is avoided, the labor intensity is reduced, and the efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of mechanical design, and particularly relates to a single drill rod water pressure testing device which is applied to a coal mine hydraulic drilling machine.
Background
At present, for the hydraulic pressure test of a single drill rod, the threads at two ends of the drill rod are screwed up manually by using a pipe wrench, the drill rod is lengthened, the two ends of the drill rod are connected with a water inlet joint for sealing, and after high-pressure water is injected, the tightness of the joints at two ends of the drill rod is judged by testing the resistance value between an inner pipe and an outer pipe. However, as the hole diameter of the coal mine drilling hole is larger and larger, the specification of the drill rod is also larger and heavier. The outer circle of the drill rod is easy to clamp and damage when the drill rod is clamped by a pipe clamp, hidden danger of product quality exists, and development of the drill rod cannot be met.
Disclosure of Invention
In view of this, the present invention aims to provide a single drill rod water pressure testing device with a simple structure and strong practicability, and aims to solve the problems of mismatched drill rod picking positions, poor sealing effect at two ends of a drill rod, low sealing testing efficiency of the drill rod, and the like.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a single drill rod water pressure testing device, which comprises an upper rod assembly for placing a drill rod and water pressure testing assemblies symmetrically arranged at two ends of the upper rod assembly, wherein each water pressure testing assembly consists of a base, a slide rail seat, a propulsion oil cylinder, a water inlet connector assembly and a base; the upper rod assembly comprises a bottom plate, guide plates, a lifting frame, a lifting oil cylinder, a stand column and a lifting plate, wherein the two guide plates are symmetrically arranged on two sides of the bottom plate, the lifting frame, the lifting oil cylinder and the stand column are arranged on the bottom plate and between the two guide plates, the lifting oil cylinder acts on the lifting frame, the lifting frame is connected with the stand column in a sliding mode, and the lifting plate used for receiving a drill rod is arranged on the lifting frame.
Furthermore, the water inlet joint component consists of a shell, a core pipe, a cable joint and a water inlet, wherein the core pipe is arranged in the shell, the cable joint is arranged at one end of the shell and is connected with the core pipe, and the shell is provided with the water inlet.
Further, the upper surface of the lifting plate is arranged to face the lower inclined surface of the lifting frame.
Further, the top of deflector sets up to the ladder, and the ladder of low end is close to the lifter plate setting.
Furthermore, a step cambered surface is arranged between the high-end step and the low-end step.
Furthermore, a downward inclined surface facing the step cambered surface is arranged on one side of the step at the lower end, which is connected with the step cambered surface.
Further, the stand sets up to two guide pillar structures.
The invention has the beneficial effects that: the single drill rod water pressure testing device can solve the problem that a drill rod is directly picked up from the bottom of a drill rod box and lifted to a corresponding height so as to meet the picking position of the drill rod; the sealing of the two ends of the drill rod can be solved, the up-and-down mechanization of the drill rod is realized, the manual operation is avoided, the labor intensity is reduced, and the working efficiency and the product quality are improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic overall structure diagram of a single drill rod water pressure testing device;
FIG. 2 is a schematic structural view of a hydraulic test assembly;
FIG. 3 is a schematic cross-sectional view of a water inlet fitting assembly;
FIG. 4 is a schematic view of the upper rod assembly;
description of reference numerals: 1-water pressure testing component, 2-rod loading component; 11-a base, 12-a slide rail seat, 13-a propulsion oil cylinder, 14-a water inlet joint component and 15-a base; 141-shell, 142-core tube, 143-cable joint; 21-bottom plate, 22-guide plate, 23-lifting frame, 24-lifting oil cylinder, 25-upright post and 26-material lifting plate.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
As shown in fig. 1 to 4, the single drill rod hydraulic test device mentioned in this embodiment includes a hydraulic test assembly 1 and an upper rod assembly 2, where the upper rod assembly 2 is located in the middle of two sets of the hydraulic test assemblies 1 symmetrically arranged, the hydraulic test assembly 1 is used to complete the sealing of both ends of a drill rod (not shown) and the hydraulic sealing test of the drill rod, and the upper rod assembly 2 is used to complete the placing of an external drill rod to the center height of the hydraulic test assembly 1, so as to ensure the smooth pushing and sealing of the hydraulic test assembly 1. Therefore, the single drill rod water pressure testing device mainly completes smooth placement of the drill rod to the corresponding height, sealing of the two ends of the drill rod, injection of high-pressure water between the inner pipe and the outer pipe of the drill rod, and determination of the sealing performance of joints at the two ends of the drill rod through testing of the resistance value between the inner pipe and the outer pipe.
Specifically, the water pressure testing assembly 1 comprises a base 11, a propulsion oil cylinder 13, a water inlet joint assembly 14 and a base 15, wherein the base 11 supports the whole structure, the propulsion oil cylinder 13 and the base 15 are installed on the base 11, the water inlet joint assembly 14 is installed on the base 15, the propulsion oil cylinder 13 acts on the base 15, the base 15 is in sliding connection with the base 11, the propulsion oil cylinder 13 can push the base 15 to slide on the base 11, and further the water inlet joint assembly 14 on the base 15 is driven to move, so that two ends of a drill rod are pressed tightly, and the sealing of the drill rod is completed; the water inlet joint assembly 14 consists of a shell 141, a core pipe 142, a cable joint 143 and a water inlet 144, wherein the core pipe 142 is arranged in the shell 141, the cable joint 143 is arranged at one end of the shell 141 and connected with the core pipe 142 and can be connected with a cable inside a drill rod, and the shell 141 is provided with the water inlet 144 for injecting water; the upper rod assembly 2 consists of a bottom plate 21, guide plates 22, a lifting frame 23, a lifting oil cylinder 24, an upright post 25 and a lifting plate 26, wherein the bottom plate 21 is used for supporting the whole structure, two guide plates 22 which are symmetrically arranged are arranged on two sides of the bottom plate, and the guide plates 22 are used for guiding and positioning the drill rod; the lifting frame 23 is arranged on the bottom plate 21 and between the two guide plates 22, the lifting oil cylinder 24 and the upright post 25 are arranged, the lifting frame 23 can drive the lifting plate 26 to ascend and descend, the upright post 25 plays a role in guiding the lifting frame 23 in the lifting process, the lifting oil cylinder 24 acts on the lifting frame 23, the lifting frame 23 is connected with the upright post 25 in a sliding mode, the upright post 25 adopts a double-guide-post structure, the lifting frame is stable in lifting, and the lifting plate 26 used for receiving a drill rod is arranged on the lifting frame 23.
In the present embodiment, the base 11 is provided with a rail seat 12, and the propulsion cylinder 13 is provided on the rail seat 12. In this way, the thrust cylinder 13 can slide back and forth on the base 11 to accommodate drill rods of different lengths.
The upper surface of the lifter plate 26 in this embodiment is disposed to face a lower slope (not numbered) of the lift frame 23. So that the drill rod can stably move up and down along with the material lifting plate after entering the material lifting plate.
The guide plate 22 in this embodiment is provided with a step (not labeled) at the top end, and the step at the lower end is provided close to the lifting plate 26, so that after the lifting plate 26 is lifted to the proper position, the drill rod automatically slides down from the lifting plate 26 and can enter the guide plate 22, and can be stopped by the step provided thereon and placed on the guide plate 22. In addition, a step cambered surface (not marked) is arranged between the high-end step and the low-end step so as to be adapted to the outer contour of the drill rod and facilitate the placement of the drill rod; and the step of low end is provided with the decline face (not marked) towards the step cambered surface on one side of connecting the step cambered surface to be convenient for drilling rod and step cambered surface laminating, make the drilling rod fix a position accurately, be convenient for subsequent butt joint between water supply connector component 14 and the drilling rod to be connected.
The working principle of the single drill rod water pressure testing device is simply introduced as follows: firstly, a material frame for transferring a drill rod is arranged beside an upper rod component 2; then, the lifting oil cylinder 24 of the upper rod assembly 2 extends out and drives the lifting frame 23 to ascend, the lifting frame 23 drives the lifting plate 26 to ascend, and due to the fact that the plane on the lifting plate 26 has a certain inclination, when the lifting plate 26 ascends to the position of a drill rod, the drill rod automatically slides onto the lifting plate 26; then, the lifting plate 26 continues to rise until the lifting plate contacts the drill rod of the positioning plate on the material frame of the transfer drill rod, and the drill rod which is tested on the positioning plate is ejected; then, the lifting plate 26 continues to rise to the position of the guide plate 22, and the drill rod slides into the designated position of the guide plate 22, such as a step cambered surface; then, the propulsion oil cylinder 13 on the water pressure testing component 1 extends out to push the base 15 to slide, so as to drive the water inlet joint component 14 to tightly press the two ends of the drill rod, and the sealing of the drill rod is completed; then, the water inlet joint assembly 14 is used for feeding water, the ball valve is adjusted until the water pressure reaches 10Mpa, and the insulation resistance between the outer pipe and the core pipe of the drill rod is measured while the high-pressure water is continuously output, wherein the insulation resistance is required to be not less than 200M omega; and finally, retracting the propulsion oil cylinder 13 and the lifting oil cylinder 24 to wait for detection of the next drill rod.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (7)
1. The single drill rod water pressure testing device is characterized by comprising an upper rod assembly (2) for placing a drill rod and water pressure testing assemblies symmetrically arranged at two ends of the upper rod assembly, wherein each water pressure testing assembly consists of a base (11), a slide rail seat (12), a propulsion oil cylinder (13), a water inlet connector assembly (14) and a base (15), the slide rail seat, the propulsion oil cylinder and the base are arranged on the bases, the water inlet connector assembly is arranged on the bases, the propulsion oil cylinder is arranged on the slide rail seat and acts on the bases, and the bases are connected with the bases in a sliding manner; the upper rod assembly comprises a bottom plate (21), guide plates (22), a lifting frame (23), a lifting oil cylinder (24), an upright post (25) and a lifting plate (26), wherein the two guide plates are symmetrically arranged on two sides of the bottom plate, the lifting frame, the lifting oil cylinder and the upright post are arranged on the bottom plate and between the two guide plates, the lifting oil cylinder acts on the lifting frame, the lifting frame is connected with the upright post in a sliding mode, and the lifting plate used for receiving a drill rod is arranged on the lifting frame.
2. The hydraulic pressure testing device of the single drill rod as claimed in claim 1, wherein the water inlet joint assembly comprises a housing (141), a core pipe (142), a cable joint (143) and a water inlet (144), the core pipe is arranged in the housing, the cable joint is arranged at one end of the housing and connected with the core pipe, and the water inlet is arranged on the housing.
3. The hydraulic test device for the single drill rod as claimed in claim 1, wherein the upper surface of the lifting plate is arranged to face the lower slope of the lifting frame.
4. The hydraulic testing device for the single drill rod as claimed in claim 1, wherein the top end of the guide plate is provided with a step, and the step at the lower end is arranged close to the lifting plate.
5. The hydraulic pressure testing device of the single drill rod as claimed in claim 4, wherein a step arc surface is arranged between the high-end step and the low-end step.
6. The hydraulic pressure testing device of the single drill rod as claimed in claim 5, wherein the step at the lower end is provided with a downward inclined surface facing the step arc surface at one side of the connecting step arc surface.
7. The hydraulic pressure testing device of the single drill rod as claimed in claim 1, wherein the upright column is arranged in a double-guide-column structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880221.2A CN113607357B (en) | 2021-08-02 | 2021-08-02 | Single drill pipe water pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880221.2A CN113607357B (en) | 2021-08-02 | 2021-08-02 | Single drill pipe water pressure testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113607357A true CN113607357A (en) | 2021-11-05 |
| CN113607357B CN113607357B (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110880221.2A Active CN113607357B (en) | 2021-08-02 | 2021-08-02 | Single drill pipe water pressure testing device |
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| Country | Link |
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| CN (1) | CN113607357B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160160586A1 (en) * | 2014-12-08 | 2016-06-09 | National Oilwell Varco, L.P. | Floor mounted racking arm for handling drill pipe |
| CN108204204A (en) * | 2017-12-29 | 2018-06-26 | 江苏省无锡探矿机械总厂有限公司 | A kind of drilling machine advance frame sliding track mechanism |
| US20190078395A1 (en) * | 2016-12-26 | 2019-03-14 | Southwest Petroleum University | Multi-functional drilling experiment platform |
| CN211013407U (en) * | 2019-12-05 | 2020-07-14 | 榆林神华能源有限责任公司 | Drill rod sealing detection device |
| CN211347266U (en) * | 2019-12-24 | 2020-08-25 | 无锡凯通钻具有限公司 | Double-wall drill rod pressure testing device |
| CN211337535U (en) * | 2020-01-07 | 2020-08-25 | 太原市富利恒自动化科技有限公司 | Automatic conveying device for drill rods |
| CN111852332A (en) * | 2020-08-13 | 2020-10-30 | 河南铁福来装备制造股份有限公司 | Automatic rod adding drilling machine with drill rod box |
| CN215865704U (en) * | 2021-08-02 | 2022-02-18 | 中煤科工集团重庆研究院有限公司 | Single drill rod water pressure testing device |
-
2021
- 2021-08-02 CN CN202110880221.2A patent/CN113607357B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160160586A1 (en) * | 2014-12-08 | 2016-06-09 | National Oilwell Varco, L.P. | Floor mounted racking arm for handling drill pipe |
| US20190078395A1 (en) * | 2016-12-26 | 2019-03-14 | Southwest Petroleum University | Multi-functional drilling experiment platform |
| CN108204204A (en) * | 2017-12-29 | 2018-06-26 | 江苏省无锡探矿机械总厂有限公司 | A kind of drilling machine advance frame sliding track mechanism |
| CN211013407U (en) * | 2019-12-05 | 2020-07-14 | 榆林神华能源有限责任公司 | Drill rod sealing detection device |
| CN211347266U (en) * | 2019-12-24 | 2020-08-25 | 无锡凯通钻具有限公司 | Double-wall drill rod pressure testing device |
| CN211337535U (en) * | 2020-01-07 | 2020-08-25 | 太原市富利恒自动化科技有限公司 | Automatic conveying device for drill rods |
| CN111852332A (en) * | 2020-08-13 | 2020-10-30 | 河南铁福来装备制造股份有限公司 | Automatic rod adding drilling machine with drill rod box |
| CN215865704U (en) * | 2021-08-02 | 2022-02-18 | 中煤科工集团重庆研究院有限公司 | Single drill rod water pressure testing device |
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| CN113607357B (en) | 2023-08-22 |
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