CN110749501A - Pipe fitting bearing moment tester - Google Patents
Pipe fitting bearing moment tester Download PDFInfo
- Publication number
- CN110749501A CN110749501A CN201911079323.3A CN201911079323A CN110749501A CN 110749501 A CN110749501 A CN 110749501A CN 201911079323 A CN201911079323 A CN 201911079323A CN 110749501 A CN110749501 A CN 110749501A
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- fixing frame
- water tank
- main machine
- tee
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0423—Chucks, fixtures, jaws, holders or anvils using screws
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a pipe fitting bearing torque testing machine, which comprises a main machine base and a main machine frame, wherein an electric telescopic mechanism is arranged above the main machine frame, a water tank with an opening at the top and a tee pipe fitting fixing frame sliding seat are arranged on the main machine base, the tee pipe fitting fixing frame sliding seat is positioned at one side of the water tank, a sliding block is arranged on the end surface of one side, close to the water tank, of the tee pipe fitting fixing frame sliding seat, one end of the sliding block is connected to the tee pipe fitting fixing frame sliding seat in a sliding manner, and the other end of; a through pipe fitting supporting seat is arranged in the water tank, and a through pipe fitting supporting block used for placing a through pipe fitting is slidably mounted on the upper end face of the through pipe fitting supporting seat. The invention can test the bearing torque of the straight-through pipe fitting and the three-way pipe fitting, can meet the requirements of testing various sample specifications, has stronger adaptability and adjustability, more accurate detection result, long fatigue life, quick dynamic response and high detection efficiency.
Description
Technical Field
The invention relates to a pipe fitting bearing torque testing machine, and belongs to the field of pipe fitting detection.
Background
The pipeline has wide application in the fields of machinery, aerospace, petrochemical industry and the like. The hydraulic pipeline is damaged due to vibration and bending, and serious consequences can be caused. Therefore, after the pipe production process is completed, a certain bending test is required to ensure that the pipe has good endurance and sealing performance. In the pipe fitting bearing torque test, the pipe fitting needs to meet the standard GB/T5135.11-2006 groove type pipe joint bearing torque test; the test conforms to the standard regulation straight-through pipe fitting bearing moment, tee pipe fitting bearing moment and deflection angle test. The existing detection device is simple and crude, has low adaptability and adjustability and cannot ensure the effectiveness of the test.
Disclosure of Invention
The invention aims to provide a pipe fitting bearing moment testing machine with higher adaptability and adjustability.
In order to achieve the purpose, the invention adopts the technical scheme that: a pipe fitting bearing torque testing machine comprises a main machine base and a main machine frame, wherein an electric telescopic mechanism is arranged above the main machine frame, a water tank with an opening at the top and a tee pipe fitting fixing frame sliding seat are arranged on the main machine base, the tee pipe fitting fixing frame sliding seat is positioned on one side of the water tank, a sliding block is arranged on the end face, close to the water tank, of one side of the tee pipe fitting fixing frame sliding seat, one end of the sliding block is connected to the tee pipe fitting fixing frame sliding seat in a sliding mode, and the other end of the; a through pipe fitting supporting seat is arranged in the water tank, and a through pipe fitting supporting block used for placing a through pipe fitting is slidably mounted on the upper end face of the through pipe fitting supporting seat.
Furthermore, electric telescopic mechanism includes electric actuator, force sensor, extension bar and loading pressure head, electric actuator's output passes through force sensor and is connected with the top of extension bar, and the bottom of extension bar is connected the loading pressure head.
Furthermore, the sliding block and the straight-through pipe supporting block are respectively locked in sliding grooves of the tee pipe fixing frame sliding seat and the straight-through pipe supporting seat through bolts.
Furthermore, the upper end surface of the straight-through pipe fitting supporting block is arc-shaped.
Furthermore, a supporting leg capable of carrying out balance adjustment is arranged below the base of the main machine.
The invention has the beneficial effects that: the testing machine can test the bearing torque of the straight-through pipe fitting and the tee pipe fitting, can meet the requirements of various sample specifications for testing, and is stronger in adaptability and adjustability, more accurate in detection result, long in fatigue life, fast in dynamic response and higher in detection efficiency.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is an overall structural view of the present invention.
Fig. 2 is a schematic view of the pipe fixing structure (jig) of the present invention.
FIG. 3 is a schematic diagram of the present invention for tee testing.
FIG. 4 is a schematic diagram of the present invention for performing a straight-through tubing test.
Labeled as: 1-a main machine base, 2-a main machine frame, 3-a tee fitting fixing frame sliding seat, 4-a water tank, 5-a sliding block, 6-a straight-through fitting supporting seat, 7-a straight-through fitting supporting block, 8-a hoop, 9-a tee fitting sample, 10-a straight-through fitting sample, 11-an electric actuator (an electric cylinder), 12-a force sensor, 13-an extension rod, 14-a loading pressure head and 15-a supporting leg.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Referring to fig. 1-4, an embodiment of the present invention is shown: a pipe fitting bearing torque testing machine comprises a main machine base 1 and a main machine frame 2, wherein an electric telescopic mechanism is arranged above the main machine frame 2, a water tank 4 with an opening at the top and a tee pipe fitting fixing frame sliding seat 3 are arranged on the main machine base 1, the tee pipe fitting fixing frame sliding seat 3 is positioned on one side of the water tank 4, a sliding block 5 is arranged on one side end face, close to the water tank 4, of the tee pipe fitting fixing frame sliding seat 3, one end of the sliding block 5 can be connected to the tee pipe fitting fixing frame sliding seat 3 in a sliding mode, and the other end of the sliding block; a through pipe supporting seat 6 is arranged in the water tank 4, and a through pipe supporting block 7 for placing a through pipe is slidably mounted on the upper end face of the through pipe supporting seat 6.
In this embodiment, electric telescopic machanism includes electric actuator (electronic jar) 11, force sensor 12, extension bar 13 and loading pressure head 14, electric actuator 11's output passes through force sensor 12 and is connected with extension bar 13's top, and extension bar 13's bottom is connected loading pressure head 14.
In this embodiment, in order to facilitate the placement of the straight-through pipe, the upper end surface of the straight-through pipe supporting block 7 is arc-shaped. In order to facilitate balance adjustment, a supporting leg 15 capable of performing balance adjustment is arranged below the main machine base 1.
The test process of the pipe fitting bearing torque testing machine is as follows:
if the tee pipe fitting is detected, firstly, the distance between the sliding blocks is adjusted, the tee pipe fitting is locked and fixed by the bolt after the adjustment, then, a proper hoop is selected according to the pipe fitting to be detected, then, the pipe fitting to be detected is fixed by the hoop, after the fixing position of the pipe fitting is finished, the electric actuator is controlled by the controller (WANCE DTC-500) to act, so that the loading pressure head presses the pipe fitting downwards, and the moment is measured by the force sensor in the pressing process.
If the straight-through pipe fitting is detected, firstly, a straight-through pipe fitting supporting seat is fixed or directly placed in the water tank, the position of the straight-through pipe fitting supporting seat is adjusted to be located below the loading pressure head, then, the straight-through pipe fitting is placed on the straight-through pipe fitting supporting block, after the pipe fitting is placed, the controller (WANCE DTC-500) controls the electric actuator to act to enable the loading pressure head to press the pipe fitting downwards, and the moment is measured through the force sensor in the pressing process.
In conclusion, the tee pipe fixing frame does not need to be disassembled during the bearing torque test of the straight-through pipe, and the operation is simple. And the tee bend pipe fitting and deflection angle test are fixed and are adopted two staple bolts, the staple bolt interval is adjustable, two kinds of tests can be satisfied, only need to change the staple bolt can, a kind of pipe diameter corresponds a staple bolt, can satisfy multiple sample specification. In addition, the water tank is arranged to prevent the host circuit from being burnt out and water flow from splashing to influence the experiment site due to the fact that the pipe fitting is broken and water leakage occurs in the experiment process.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution methods fall within the scope of the present invention.
The parts not involved in the present invention are the same as or can be implemented using the prior art.
Claims (5)
1. A pipe fitting bearing torque testing machine comprises a main machine base and a main machine frame and is characterized in that an electric telescopic mechanism is arranged above the main machine frame, a water tank with an opening at the top and a tee pipe fitting fixing frame sliding seat are mounted on the main machine base, the tee pipe fitting fixing frame sliding seat is positioned on one side of the water tank, a sliding block is mounted on the end face, close to the water tank, of one side of the tee pipe fitting fixing frame sliding seat, one end of the sliding block is slidably connected onto the tee pipe fitting fixing frame sliding seat, and the other end of the sliding block is detachably; a through pipe fitting supporting seat is arranged in the water tank, and a through pipe fitting supporting block used for placing a through pipe fitting is slidably mounted on the upper end face of the through pipe fitting supporting seat.
2. The pipe fitting bearing torque testing machine according to claim 1, wherein the electric telescopic mechanism comprises an electric actuator, a force sensor, an extension rod and a loading pressure head, the output end of the electric actuator is connected with the top end of the extension rod through the force sensor, and the bottom end of the extension rod is connected with the loading pressure head.
3. The pipe fitting bearing torque testing machine according to claim 1, wherein the sliding block and the through pipe fitting supporting block are locked in sliding grooves of the tee pipe fitting fixing frame sliding seat and the through pipe fitting supporting seat respectively through bolts.
4. The pipe fitting bearing torque testing machine according to claim 1 or 3, wherein the upper end surface of the straight-through pipe fitting supporting block is in a circular arc shape.
5. The pipe fitting bearing moment testing machine according to claim 1, wherein a supporting leg capable of performing balance adjustment is installed below the main machine base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079323.3A CN110749501A (en) | 2019-11-07 | 2019-11-07 | Pipe fitting bearing moment tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079323.3A CN110749501A (en) | 2019-11-07 | 2019-11-07 | Pipe fitting bearing moment tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110749501A true CN110749501A (en) | 2020-02-04 |
Family
ID=69282479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911079323.3A Pending CN110749501A (en) | 2019-11-07 | 2019-11-07 | Pipe fitting bearing moment tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110749501A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848124A (en) * | 2021-09-03 | 2021-12-28 | 江苏省产品质量监督检验研究院 | Composite functional force loading device for pipe fitting test |
-
2019
- 2019-11-07 CN CN201911079323.3A patent/CN110749501A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848124A (en) * | 2021-09-03 | 2021-12-28 | 江苏省产品质量监督检验研究院 | Composite functional force loading device for pipe fitting test |
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