CN113607357B - Single drill pipe water pressure testing device - Google Patents
Single drill pipe water pressure testing device Download PDFInfo
- Publication number
- CN113607357B CN113607357B CN202110880221.2A CN202110880221A CN113607357B CN 113607357 B CN113607357 B CN 113607357B CN 202110880221 A CN202110880221 A CN 202110880221A CN 113607357 B CN113607357 B CN 113607357B
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- Prior art keywords
- drill rod
- lifting
- base
- pressure testing
- water pressure
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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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- Physics & Mathematics (AREA)
- 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 for placing a drill rod and water pressure testing assemblies symmetrically arranged at two ends of the upper rod assembly, wherein the water pressure testing assemblies consist of a base, a slide rail seat, a pushing oil cylinder, a water inlet joint assembly and a base, and the upper rod assembly consists of a bottom plate, a guide plate, a lifting frame, a lifting oil cylinder, a stand column and a lifting plate. The single drill rod water pressure testing device mainly completes smooth placement of the drill rod to the corresponding height, completes sealing of two ends of the drill rod, and injects high-pressure water between the inner pipe and the outer pipe of the drill rod so as to judge the tightness of joints at two ends of the drill rod by testing the resistance value between the inner pipe and the outer pipe 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, threads at two ends of the drill rod are manually screwed by pipe tongs, the drill rod is lengthened, two ends of the drill rod are connected with water inlet connectors for sealing, and after high-pressure water is injected, the tightness of the connectors at two ends of the drill rod is judged by testing the resistance value between the inner pipe and the outer pipe. However, as the coal mine drilling hole diameter is larger, the drill rod specification is larger and heavier. In reality, the drill rod is large in overall dimension and heavy in mass, so that the drill rod is difficult to assemble and disassemble manually, the efficiency is low, the labor intensity is high, and when the drill rod is clamped by the pipe tongs, the spiral groove on the outer circle of the drill rod is easy to clamp, so that hidden danger of product quality exists, and the development of the drill rod is not satisfied.
Disclosure of Invention
Therefore, the invention aims to provide the single drill rod water pressure testing device with simple structure and strong practicability, and aims to solve the problems of unmatched 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 above purpose, the present invention provides the following technical solutions:
the invention provides a single drill rod water pressure testing device which comprises an upper rod assembly used for placing drill rods and water pressure testing assemblies symmetrically arranged at two ends of the upper rod assembly, wherein the water pressure testing assemblies consist of a base, a slide rail seat, a pushing oil cylinder, a water inlet joint assembly and a base; the upper rod assembly consists of a bottom plate, guide plates, lifting frames, lifting oil cylinders, stand columns and lifting plates, wherein two guide plates are symmetrically arranged on two sides of the bottom plate, the lifting frames, the lifting oil cylinders and the stand columns are arranged on the bottom plate and located between the two guide plates, the lifting oil cylinders act on the lifting frames, the lifting frames are in sliding connection with the stand columns, and the lifting frames are provided with lifting plates for receiving drill rods.
Further, the water inlet joint assembly comprises a shell, a core tube, a cable joint and a water inlet, wherein the core tube is arranged in the shell, the cable joint is arranged at one end of the shell and connected with the core tube, and the water inlet is arranged on the shell.
Further, the upper surface of the lifter plate is disposed toward the lower incline of the lifting frame.
Further, the top of deflector sets up to the ladder, and the ladder of low end is close to the setting of carrying the flitch.
Further, a step cambered surface is arranged between the step at the high end and the step at the low end.
Further, the step at the lower end is provided with a declining surface facing the cambered surface of the step at one side of the cambered surface of the connecting step.
Further, the stand is provided with a double-guide-post structure.
The beneficial effects of the invention are as follows: the single drill rod water pressure testing device can directly pick up and lift the drill rod from the bottom of the drill rod box to the corresponding height so as to meet the pick-up position of the drill rod; the sealing at the two ends of the drill rod can be solved, the upper and lower 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 objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the overall structure of a single drill pipe 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 joint assembly;
FIG. 4 is a schematic structural view of the upper pole assembly;
reference numerals illustrate: 1-a water pressure testing assembly, 2-an upper rod assembly; 11-base, 12-slide rail seat, 13-thrust cylinder, 14-water inlet joint component and 15-base; 141-shell, 142-core tube, 143-cable connector; 21-bottom plate, 22-deflector, 23-lifting frame, 24-lifting cylinder, 25-upright post, 26-lifting plate.
Detailed Description
The invention is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
As shown in fig. 1-4, the single drill pipe hydraulic testing device in this embodiment includes a hydraulic testing assembly 1 and an upper rod assembly 2, wherein the upper rod assembly 2 is located between two sets of hydraulic testing assemblies 1 that are symmetrically arranged, the hydraulic testing assembly 1 is used for completing sealing at two ends of a drill pipe (not shown) and hydraulic sealing testing of the drill pipe, and the upper rod assembly 2 is used for completing placing an external drill pipe at a center height of the hydraulic testing assembly 1 so as to ensure smooth propping and sealing of the hydraulic testing assembly 1. Like this, monomer drilling rod water pressure testing arrangement is mainly accomplished to place the drilling rod smooth corresponding height to accomplish the seal at drilling rod both ends, pour into high-pressure water into between the outer tube in the drilling rod, through the resistance value between the outer tube in the test, thereby judge the leakproofness of drilling rod both ends joint.
Specifically, the hydraulic pressure test assembly 1 is composed of a base 11, a thrust cylinder 13, a water inlet joint assembly 14 and a base 15, wherein the base 11 is used for supporting the whole structure, the thrust cylinder 13 and the base 15 are arranged on the base, the water inlet joint assembly 14 is arranged on the base 15, the thrust cylinder 13 acts on the base 15, the base 15 is in sliding connection with the base 11, the thrust cylinder 13 can push the base 15 to slide on the base 11, and then the water inlet joint assembly 14 on the base 15 is driven to move, so that two ends of a drill rod are compressed, and sealing of the drill rod is completed; the water inlet joint assembly 14 is composed of a casing 141, a core tube 142, a cable joint 143 and a water inlet 144, wherein the core tube 142 is arranged in the casing 141, the cable joint 143 is arranged at one end of the casing 141 and connected with the core tube 142 and can be connected with a cable in a drill rod, and the casing 141 is provided with the water inlet 144 for water injection; the upper rod assembly 2 consists of a bottom plate 21, guide plates 22, a lifting frame 23, a lifting oil cylinder 24, upright posts 25 and a lifting plate 26, wherein the bottom plate 21 is used for supporting the whole structure, two symmetrically arranged guide plates 22 are arranged on two sides of the bottom plate, and the guide plates 22 guide and position a drill rod; the lifting frame 23, the lifting oil cylinder 24 and the upright posts 25 are arranged on the bottom plate 21 and between the two guide plates 22, the lifting frame 23 can drive the lifting plate 26 to ascend and descend, the upright posts 25 play 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 in sliding connection with the upright posts 25, the upright posts 25 adopt a double-guide-post structure, the lifting frame is stable in lifting, and the lifting frame 23 is provided with the lifting plate 26 for receiving drill rods.
The base 11 in this embodiment is provided with a rail seat 12, and the push cylinder 13 is provided on the rail seat 12. Thus, 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 provided to face the lower slope (not labeled) of the lifter frame 23. So that the drill rod can stably move up and down along with the lifting plate after entering the lifting plate.
The top end of the guide plate 22 in this embodiment is provided with a step (not labeled), and the step at the lower end is provided near the lifting plate 26, so that after the lifting plate 26 is lifted up in place, the drill rod can enter the guide plate 22 after automatically sliding down from the lifting plate 26, and can be blocked by the step provided thereon to be placed on the guide plate 22. In addition, a step cambered surface (not marked) is arranged between the step at the high end and the step at the low end so as to be adapted to the outer contour of the drill rod, thereby facilitating the placement of the drill rod; the step at the lower end is provided with a declining surface (not marked) facing the cambered surface of the step at one side of the cambered surface of the connecting step, so that the drill rod is conveniently attached to the cambered surface of the step, the drill rod is accurately positioned, and the subsequent butt joint connection between the water inlet joint assembly 14 and the drill rod is conveniently realized.
The working principle of the single drill rod water pressure testing device is briefly described below: firstly, arranging a transferring drill rod material frame beside an upper rod assembly 2; then, the lifting oil cylinder 24 of the upper rod assembly 2 extends out and drives the lifting frame 23 to ascend, and the lifting frame 23 drives the lifting plate 26 to ascend, and when the lifting plate 26 ascends to the position of the drill rod due to a certain inclination of the upper plane of the lifting plate 26, the drill rod automatically slides into the lifting plate 26; then, the lifting plate 26 continues to ascend until the lifting plate contacts the drill rod of the positioning plate on the transferring drill rod material frame, and the drill rod on the positioning plate is ejected to finish the test; 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 stage cambered surface; then, a pushing oil cylinder 13 on the water pressure testing assembly 1 stretches out to push a base 15 to slide, so that a water inlet joint assembly 14 is driven to press two ends of a drill rod, and sealing of the drill rod is completed; then, the water inlet joint assembly 14 is used for feeding water, adjusting the ball valve until the water pressure reaches 10Mpa, and measuring the insulation resistance between the outer pipe and the core pipe of the drill rod while keeping the continuous output of high-pressure water, wherein the insulation resistance is required to be not less than 200MΩ; finally, the pushing cylinder 13 and the lifting cylinder 24 retract, and the drill rod is detected.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (3)
1. The single drill rod water pressure testing device is characterized by comprising an upper rod assembly (2) for placing drill rods and water pressure testing assemblies symmetrically arranged at two ends of the upper rod assembly, wherein the water pressure testing assemblies consist of a base (11), a sliding rail seat (12), a pushing oil cylinder (13), a water inlet joint assembly (14) and a base (15), a sliding rail seat, a pushing oil cylinder and the base are arranged on the base, the water inlet joint assembly is arranged on the base, the pushing oil cylinder is arranged on the sliding rail seat and acts on the base, and the base is in sliding connection with the base; the upper rod assembly consists of a bottom plate (21), guide plates (22), a lifting frame (23), lifting cylinders (24), stand columns (25) and lifting plates (26), two guide plates which are symmetrically arranged are arranged on two sides of the bottom plate, the lifting frame, the lifting cylinders and the stand columns are arranged on the bottom plate and between the two guide plates, the lifting cylinders act on the lifting frame, the lifting frame is in sliding connection with the stand columns, the lifting frame is provided with the lifting plates for receiving drill rods, and the upper surfaces of the lifting plates are arranged to be lower inclined planes for automatically sliding down the drill rods towards the lifting frame; the top of deflector sets up to the ladder, and the ladder of low side is close to the setting of carrying the flitch and is used for linking to carry the flitch, is provided with the stage cambered surface that is used for adapting to the drilling rod outline between the ladder of high side and the ladder of low side, and the ladder of low side is provided with the decline face that is used for the drilling rod to the automatic gliding of stage cambered surface in connection stage cambered surface one side.
2. The single drill pipe water pressure testing device according to claim 1, wherein the water inlet joint assembly comprises a shell (141), a core pipe (142), a cable joint (143) and a water inlet (144), the core pipe is arranged in the shell, the cable joint is arranged at one end of the shell and connected with the core pipe, and the water inlet is arranged on the shell.
3. The single drill pipe hydraulic pressure testing device according to claim 1, wherein the upright post is provided in a double-guide post 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 CN113607357A (en) | 2021-11-05 |
| CN113607357B true 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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| CN (1) | CN113607357B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10053934B2 (en) * | 2014-12-08 | 2018-08-21 | National Oilwell Varco, L.P. | Floor mounted racking arm for handling drill pipe |
| CN106593310B (en) * | 2016-12-26 | 2018-09-07 | 西南石油大学 | Multi-functional drilling well experimental stand |
-
2021
- 2021-08-02 CN CN202110880221.2A patent/CN113607357B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN113607357A (en) | 2021-11-05 |
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