CN110686843A - Metal hose tension and compression rigidity measuring device - Google Patents
Metal hose tension and compression rigidity measuring device Download PDFInfo
- Publication number
- CN110686843A CN110686843A CN201811250347.6A CN201811250347A CN110686843A CN 110686843 A CN110686843 A CN 110686843A CN 201811250347 A CN201811250347 A CN 201811250347A CN 110686843 A CN110686843 A CN 110686843A
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- CN
- China
- Prior art keywords
- sleeve
- metal hose
- measuring
- jacking device
- pressure
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- 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.)
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Classifications
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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
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
- G01M5/0058—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems of elongated objects, e.g. pipes, masts, towers or railways
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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
-
- 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
Abstract
The invention provides a device for measuring the tension and compression rigidity of a metal hose, which comprises: a sleeve; the sleeve is provided with a containing cavity; the accommodating cavity is used for accommodating a metal hose to be tested; a jacking device; the jacking device is connected with one end of the sleeve; the jacking device can be driven by external force to be close to or far from the sleeve, and when the jacking device is close to or far from the sleeve, pressure or pulling force can be applied to the sleeve, so that the metal hose to be tested in the sleeve is subjected to the pressure or the pulling force; a transmission device; the transmission device is used for transmitting and connecting external force and the jacking device; and the external force drives the jacking device to be close to or far away from the sleeve through the transmission device. The invention provides a device for measuring the tension and compression rigidity of a metal hose, which can be used for measuring the tension and compression characteristics of the metal hose and has the advantages of simple structure and convenience in use.
Description
Technical Field
The invention relates to an industrial pipeline system and online equipment, in particular to a device for measuring the tension and compression rigidity of a metal hose.
Background
As shown in fig. 1, a metal hose 01 is provided. The metal hose 01 is an apparatus for compensating displacement and installation deviation, absorbing vibration and reducing noise in a piping system, and is substantially composed of three major parts of a corrugated pipe 011, a net cover 012 and a joint 013. The corrugated pipe 011 is the body of the metal hose 01 and plays a role of flexibility; the net sleeve 012 plays a reinforcing role; linker 013 serves as a linker.
The metal hose has a complex structure, the mechanical property of the metal hose is difficult to determine by means of software analysis, and a rigidity matrix of the metal hose needs to be measured through tests for carrying out piping mechanical analysis.
Therefore, the problem to be solved urgently is to develop a device for measuring the tension and compression rigidity of the metal hose.
Disclosure of Invention
The invention provides a device for measuring the tension and compression rigidity of a metal hose aiming at the defects of the prior art.
The invention provides a device for measuring the tension and compression rigidity of a metal hose.
The metal hose tension and compression rigidity measuring device comprises:
a sleeve; the sleeve is provided with a containing cavity; the accommodating cavity is used for accommodating a metal hose to be tested;
a jacking device; the jacking device is connected with one end of the sleeve; the jacking device can be driven by external force to be close to or far from the sleeve, and when the jacking device is close to or far from the sleeve, pressure or pulling force can be applied to the sleeve, so that the metal hose to be tested in the sleeve is subjected to the pressure or the pulling force;
a transmission device; the transmission device is used for transmitting and connecting external force and the jacking device; and the external force drives the jacking device to be close to or far away from the sleeve through the transmission device.
Preferably, a blind plate is also included; the blind plate is connected with the end part of the metal hose to be tested in the sleeve in a welding mode, and the end part of the metal hose to be tested in the sleeve is sealed.
Preferably, a pressure meter is further included; the pressure instrument is connected with the blind plate and used for monitoring the internal pressure of the metal hose to be tested in the sleeve.
Preferably, the device also comprises a column type pull pressure sensor; the column type pulling pressure sensor is connected with the jacking device and is used for measuring the pressure or pulling force applied to the sleeve by the jacking device.
Preferably, the device further comprises a displacement measuring device; the displacement measuring device is connected with the jacking device and is used for measuring the displacement of the end part of the metal hose to be measured in the sleeve after the jacking device applies pressure or pulling force to the sleeve.
Preferably, the device further comprises a guide device; the guide device comprises a sliding block and a sliding rail which are matched with each other; the sliding block is connected with the sliding rail and can be arranged along the sliding rail in a sliding manner; the jacking device is connected with the sliding block and can be arranged together with the sliding block along the sliding rail in a sliding manner.
Preferably, the transmission comprises a hand wheel and a screw rod; the hand wheel is in threaded connection with the screw rod; the screw rod is connected with the sliding block; when the hand wheel is driven to rotate by external force, the sliding block is driven to slide along the sliding rail through the screw rod, so that a jacking device connected with the sliding block is driven to be close to or far away from the sleeve along the sliding rail.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a device for measuring the tension and compression rigidity of a metal hose, which can be used for measuring the tension and compression characteristics of the metal hose and has the advantages of simple structure and convenience in use.
2. According to the device for measuring the tension and compression rigidity of the metal hose, the metal hose to be measured is accommodated in the accommodating cavity of the sleeve for tension and compression performance test, the metal hose is protected by the sleeve, the metal hose is prevented from being bent in the tension and compression process to influence the tension and compression rigidity test, and the metal hose can be prevented from being damaged and splashing.
3. The device for measuring the tension and compression rigidity of the metal hose applies the tension and compression force to the metal hose through the hydraulic control jacking device, and the tension and compression force can be adjusted.
Drawings
Fig. 1 is a schematic structural view of a metal hose.
Fig. 2 is a sectional view showing the structure of a device for measuring the tensile and compressive rigidity of a metal hose according to a preferred embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 2, the device for measuring the tensile and compressive stiffness of the metal hose comprises:
a sleeve 1; the sleeve 1 is provided with a containing cavity; the accommodating cavity is used for accommodating a metal hose 01 to be tested;
a jacking device 2; the jacking device 2 is connected with one end of the sleeve 1; the jacking device 2 can be driven by external force to approach or be far away from the sleeve 1, and when the jacking device 2 approaches or is far away from the sleeve 1, pressure or pulling force can be applied to the sleeve 1, so that the metal hose 01 to be tested in the sleeve 1 is subjected to the pressure or the pulling force;
a transmission device; the transmission device is used for transmitting and connecting external force with the jacking device 2; the external force drives the jacking device 2 to be close to or far away from the sleeve 1 through the transmission device.
Preferably, a blind plate 3 is also included; the blind plate 3 is connected with the end part of the metal hose 01 to be tested in the sleeve in a welding mode, and the end part of the metal hose 01 to be tested in the sleeve is sealed.
Preferably, a pressure meter is further included; the pressure instrument is connected with the blind plate and used for monitoring the internal pressure of the metal hose to be tested in the sleeve.
Preferably, a column type pull pressure sensor 4 is also included; the column type pulling pressure sensor 4 is connected with the jacking device 2 and is used for measuring the pressure or pulling force exerted on the casing 1 by the jacking device 2.
Preferably, also comprises displacement measuring means 5; the displacement measuring device 5 is connected with the jacking device 2 and is used for measuring the displacement of the end part of the metal hose to be measured 01 in the sleeve after the jacking device 2 applies pressure or pulling force to the sleeve 1.
Preferably, the device further comprises a guide device; the guiding device comprises a sliding block 61 and a sliding rail 62 which are matched; the sliding block 61 is connected with the sliding rail 62 and can be arranged along the sliding rail 62 in a sliding manner; the pressing device 2 is connected to the slide block 61 and is arranged to slide along the slide rail 62 together with the slide block 61.
Preferably, the transmission means comprise a handwheel 71 and a screw 72; the hand wheel 71 is in threaded connection with the screw rod 72; the screw rod 72 is connected with the sliding block 61; when the hand wheel 71 is driven to rotate by external force, the screw rod 72 drives the sliding block 61 to slide along the sliding rail 62, so as to drive the jacking device 2 connected with the sliding block 61 to approach or leave the sleeve 1 along the sliding rail 62.
The use principle of the device for measuring the tension and compression stiffness of the metal hose of the embodiment is as follows:
before the test is started, the metal hose 01 to be tested penetrates through the pipe sleeve 1, one end of the metal hose is fixed on a test bed, and the other end of the metal hose is connected with the jacking device 2. The hand wheel 71 is used for moving the jacking device 2 to a required position, adjusting the jacking device 2 to be connected with the metal hose 01 to be tested, and then hydraulically controlling the jacking device to apply pulling pressure to the metal hose. And checking that the pressure instrument is in a usable state, and filling the metal hose 01 to be tested to the required pressure. The pressure applied by the jacking device 2 is axially adjusted to the required magnitude along the metal hose 01 to be measured, and the applied force and the corresponding displacement change are recorded through the column type pulling pressure sensor 4 and the displacement measuring device 5. And calculating the tension and compression rigidity of the metal hose 01 to be measured according to the displacement change and the applied pressure.
Compared with the prior art, the invention has the following beneficial effects:
1. the embodiment provides a metal collapsible tube draws presses rigidity measuring device, can be used to measure metal collapsible tube's the characteristic of drawing and pressing, simple structure, convenient to use.
2. The metal hose tension and compression rigidity measuring device accords with this embodiment, and the metal hose holding that will await measuring is carried out the tension and compression performance test in the sheathed tube appearance chamber, protects metal hose through the sleeve pipe, avoids metal hose to take place the bending at the in-process of tension and compression, influences the tension and compression rigidity test, also can prevent that metal hose is damaged, produces and splashes.
3. The metal hose tension and compression rigidity measuring device according to the embodiment applies tension and compression force to the metal hose through the hydraulic control jacking device, and the tension and compression force can be adjusted.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The utility model provides a metal collapsible tube draws pressure rigidity measurement device which characterized in that includes:
a sleeve; the sleeve is provided with a containing cavity; the accommodating cavity is used for accommodating a metal hose to be tested;
a jacking device; the jacking device is connected with one end of the sleeve; the jacking device can be driven by external force to be close to or far from the sleeve, and when the jacking device is close to or far from the sleeve, pressure or pulling force can be applied to the sleeve, so that the metal hose to be tested in the sleeve is subjected to the pressure or the pulling force;
a transmission device; the transmission device is used for transmitting and connecting external force and the jacking device; and the external force drives the jacking device to be close to or far away from the sleeve through the transmission device.
2. The apparatus according to claim 1, further comprising a blind plate; the blind plate is connected with the end part of the metal hose to be tested in the sleeve in a welding mode, and the end part of the metal hose to be tested in the sleeve is sealed.
3. The device for measuring the tensile and compressive stiffness of the metal hose according to claim 2, further comprising a pressure meter; the pressure instrument is connected with the blind plate and used for monitoring the internal pressure of the metal hose to be tested in the sleeve.
4. The device for measuring the tension and compression stiffness of the metal hose according to claim 1, further comprising a column type tension and compression force sensor; the column type pulling pressure sensor is connected with the jacking device and is used for measuring the pressure or pulling force applied to the sleeve by the jacking device.
5. The metal hose tension and compression stiffness measuring device of claim 1, further comprising a displacement measuring device; the displacement measuring device is connected with the jacking device and is used for measuring the displacement of the end part of the metal hose to be measured in the sleeve after the jacking device applies pressure or pulling force to the sleeve.
6. The apparatus for measuring the tensile and compressive stiffness of a metal hose according to claim 1, further comprising a guide means; the guide device comprises a sliding block and a sliding rail which are matched with each other; the sliding block is connected with the sliding rail and can be arranged along the sliding rail in a sliding manner; the jacking device is connected with the sliding block and can be arranged together with the sliding block along the sliding rail in a sliding manner.
7. The device for measuring the tension and compression stiffness of the metal hose according to claim 6, wherein the transmission device comprises a hand wheel and a screw rod; the hand wheel is in threaded connection with the screw rod; the screw rod is connected with the sliding block; when the hand wheel is driven to rotate by external force, the sliding block is driven to slide along the sliding rail through the screw rod, so that a jacking device connected with the sliding block is driven to be close to or far away from the sleeve along the sliding rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250347.6A CN110686843A (en) | 2018-10-25 | 2018-10-25 | Metal hose tension and compression rigidity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250347.6A CN110686843A (en) | 2018-10-25 | 2018-10-25 | Metal hose tension and compression rigidity measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110686843A true CN110686843A (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811250347.6A Pending CN110686843A (en) | 2018-10-25 | 2018-10-25 | Metal hose tension and compression rigidity measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110686843A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB906191A (en) * | 1958-04-28 | 1962-09-19 | Robert Thomas Warman | Improvements in and relating to hardness testers |
| CN105277449A (en) * | 2015-11-09 | 2016-01-27 | 上海核工程研究设计院 | Metal hose torsional rigidity measuring device |
| CN105277448A (en) * | 2015-11-09 | 2016-01-27 | 航天晨光股份有限公司 | Metal hose bending rigidity measuring device |
| CN105424477A (en) * | 2015-11-09 | 2016-03-23 | 上海核工程研究设计院 | Metal hose tension and compression rigidity measuring device |
| CN206609716U (en) * | 2017-04-05 | 2017-11-03 | 河南科技大学 | A kind of drawing-pressing spring stiffness measurement device |
-
2018
- 2018-10-25 CN CN201811250347.6A patent/CN110686843A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB906191A (en) * | 1958-04-28 | 1962-09-19 | Robert Thomas Warman | Improvements in and relating to hardness testers |
| CN105277449A (en) * | 2015-11-09 | 2016-01-27 | 上海核工程研究设计院 | Metal hose torsional rigidity measuring device |
| CN105277448A (en) * | 2015-11-09 | 2016-01-27 | 航天晨光股份有限公司 | Metal hose bending rigidity measuring device |
| CN105424477A (en) * | 2015-11-09 | 2016-03-23 | 上海核工程研究设计院 | Metal hose tension and compression rigidity measuring device |
| CN206609716U (en) * | 2017-04-05 | 2017-11-03 | 河南科技大学 | A kind of drawing-pressing spring stiffness measurement device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Applicant after: AEROSUN Corp. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Applicant before: AEROSUN Corp. |
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| CB02 | Change of applicant information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200114 |
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| WD01 | Invention patent application deemed withdrawn after publication |