CN208420562U - A kind of cryogenic test equipment - Google Patents
A kind of cryogenic test equipment Download PDFInfo
- Publication number
- CN208420562U CN208420562U CN201821031115.7U CN201821031115U CN208420562U CN 208420562 U CN208420562 U CN 208420562U CN 201821031115 U CN201821031115 U CN 201821031115U CN 208420562 U CN208420562 U CN 208420562U
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- CN
- China
- Prior art keywords
- low temperature
- cryogenic
- circular hole
- refrigerator
- temperature bin
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
A kind of cryogenic test equipment, including low temperature bin, refrigerator and display composition；Sample both ends are closely connect with cryostat, and partition respectively, sample is mounted on cupping machine by extension rod, bat-handle switch knob opens refrigerator, after display medium temperature reaches test temperature on handle display screen, rotation speed regulation knob, cryogenic pump is started to work, cryogenic media enters low temperature bin by input pipe, refrigerator is flowed back to via efferent duct, rotation speed regulation knob controls cryogenic liquid flow velocity, when showing that low temperature bin temperature curve reaches test requirements document on display, cupping machine is opened, display records stress strain curve；Present apparatus structure is simple, easy to operate, can be precisely accomplished associated low temperature tension test.
Description
Technical field
The invention belongs to Material Testing Technology fields, and in particular to and a kind of cryogenic test equipment provides a kind of low temperature environment,
Realize the purpose of the mechanical property of test material and intensity curve at low ambient temperatures.
Background technique
Petroleum and petrochemical industry all be unable to do without the branch of metal material from the exploitation of petroleum to pipeline transportation and oil refining
It holds, and the place of production of petroleum, often in wilderness field, natural conditions are severe, and outdoor temperature is low.For metal material under low temperature environment
Whether safety be on active service, be everybody discuss always the problem of.Test the mechanical property of metal material sample at low ambient temperatures, letter
Easily, the equipment for meeting test requirements document there is not yet.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the purpose of the present invention is to provide a kind of low-temperature test environment, make to test
Sample is in required cryogenic temperature, to complete to test；It is simple with structure, operation is simple, is quick on the draw, test accuracy
High feature.
To achieve the goals above, the technical solution adopted by the present invention is that: a kind of cryogenic test equipment, including low temperature bin,
Low temperature bin is located on support base, and low temperature bin is connect with support base by buffer；Low temperature bin input interface passes through input pipe successively
It is connected with cryogenic pump, refrigerator；Low temperature bin output interface is connect by efferent duct with refrigerator；Refrigerator be connected with display screen and
Control handle；The low temperature bin is divided into low temperature chamber and partition, and low temperature chamber is by metal gallbladder, insulating layer one, insulating layer two, shell, ring
Shape bottom plate composition；The upper opening of the metal gallbladder has edge and vertical edge edge in level, and partition is placed in metal gallbladder in experimentation
Opening；Edge and vertical edge edge and baffle contacts in level；The partition is by circular lower plate, annular insulation board and ring-like upper plate group
At；Partition, cryostat, collectively constitute the space of opposing seal, and space memory lowers geothermal liquid medium, and cryogenic liquid medium passes through
Input pipe and efferent duct form interior circulation at the space in low temperature bin.
The partition center of the low temperature bin has circular hole A, and low temperature chamber bottom has circular hole D, and sample may pass through above-mentioned two
The arc-shaped transition section of a circular hole A and circular hole D, sample one end are closely connect with partition circular hole A, the arc-shaped transition section of the sample other end
It is closely connect with low temperature chamber circular hole D, it is ensured that the non-leakage cryogenic media of low temperature chamber, while ensuring that partition just covers opening in low temperature chamber
On mouth.
The partition is provided with circular hole A, circular hole B, circular hole C；The circular hole A places sample, circular hole B passes through displacement sensing
Device, circular hole C pass through temperature sensor.
The centre bit of the platform of the support base is equipped with circular hole E, and extension rod passes through circular hole E；Extension rod and sample screw thread
Connection.
The refrigerator generates cryogenic liquid, and cryogenic liquid enters low temperature bin by input pipe；Cryogenic liquid is full of low temperature
Behind storehouse, refrigerator is flowed back to via efferent duct, cryogenic liquid flow velocity is controlled by control handle；There is switching knob on control handle, adjust
Fast knob and flow velocity display screen；Control handle is connect by cable with refrigerator；Refrigerator and display wired connection, display
The signal of temperature sensor, position sensor is received, shows that the temperature curve of liquid and sample stretch in low temperature bin on display
Curve.
The low temperature bin is closely connect with sample, it is ensured that and it is non-leakage, after preparation is completed, start to test.
When test, sample is mounted on cupping machine by extension rod, refrigerator is opened, is shown on uniform flow display screen
After showing that medium temperature reaches test temperature, rotation speed regulation knob, cryogenic pump is started to work, and cryogenic media enters low temperature by input pipe
Refrigerator is flowed back to via efferent duct in storehouse, according to the temperature for showing low temperature bin on display, rotation speed regulation knob, when low temperature bin temperature
When spending curve level without fluctuation, cupping machine is opened, display records stress strain curve.Since partition and low temperature chamber separate vertically
When, stress very little does not influence test result, in error range.The temperature sensor and position sensor of use can be penetrated
Signal, display receive signal, show low temperature bin temperature curve and stress strain curve.
The beneficial effects of the present invention are:
1) low temperature bin is connected by refrigerator due to the present invention, low temperature bin freezes sample, completes to draw on cupping machine
Test is stretched, the accurate low-temperature test requirement of low-temperature test is realized；
2) it is closely connect by sample with low temperature bin due to the present invention, low temperature bin rationally designs, low temperature chamber and baffle contacts
Connection, is greatly reduced test error, it is ensured that the accuracy of test result.
3) it since the present invention is by low temperature bin and sample integrated design, is mounted on testing machine, temperature sensor measurement
Low temperature bin temperature, display real-time display low temperature bin temperature, it is ensured that the accuracy of stretching experiment.
4) extension rod is used, structure is more reasonable, increases test convenience.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is low temperature bin structural schematic diagram of the present invention.
Fig. 3 is the low temperature bin structural schematic diagram after the fixed sample of the present invention.
Fig. 4 is the structure enlargement diagram of I in Fig. 3 of the present invention.
The structure enlargement diagram that Fig. 5 is in Fig. 2 of the present invention II.
Fig. 6 is style and extension rod schematic diagram in figure of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to attached drawing 1,2,3,4,5, a kind of cryogenic test equipment includes a low temperature bin 6,6 input interface of low temperature bin
6014 connection input pipes 2, input pipe 2 are connect with cryogenic pump 1, and cryogenic pump 1 is connected with refrigerator 13；6 output interface of low temperature bin
6015 connection efferent ducts 3, efferent duct 3 are connect with refrigerator 13；Refrigerator 13 is connected with display screen 11 and control handle 5；Low temperature
Storehouse 6 is made of cryostat, 601 and partition 602；Metal gallbladder 6011, insulating layer 1, insulating layer 2 6016, shell 6013, ring
Shape bottom plate 6017 forms cryostat, 601；The opening of metal gallbladder 6011 has in level along 6018 and vertical edge along 6019, metal gallbladder 6011
Positioned at innermost layer, insulating layer 1 is close to 6011 outer wall of metal gallbladder, and shell 6013 is in outermost；Insulating layer 2 6016 is close to
6011 bottom of metal gallbladder, annular bottom plate 6017 are close to 2 6016 lower part of insulating layer, and annular bottom plate 6017 is in the most bottom of cryostat, 601
Portion.
601 bottom of cryostat, is equipped with circular hole D601-1, and partition 602 is provided with circular hole A602-1, circular hole B602-2, circular hole
C602-3, circular hole A602-1 place sample 9, circular hole B602-2 places displacement sensor 8, and circular hole C602-3 places temperature sensor
7。
Two extension rods 14 are threadedly coupled with sample 9, by specially treated, the arc-shaped transition section and partition of 9 one end of sample
602 circular hole A are closely connected, and the arc-shaped transition section of 9 other end of sample is closely connect with 601 circular hole D601-1 of low temperature chamber, it is ensured that low
The non-leakage cryogenic media of warm slot 601, while ensuring that partition 602 just covers in the opening of cryostat, 601.
On the platform 111 of support base 15, low temperature bin 6 is connect with platform 111 by buffer 12 low temperature bin 6；One is prolonged
Boom 14 passes through the circular hole E111-1 on platform 111, and two extension rods 14 are clamped on cupping machine.
Refrigerator 13 generates cryogenic liquid, and cryogenic liquid enters low temperature bin 6 by input pipe 2, via output after circulation
Pipe 3 flows back to refrigerator 13；There are switching knob 501, speed regulation knob 502 and flow velocity display screen 503 on control handle 5, flow velocity is shown
Fluid temperature in 503 display refrigerator 13 of screen, adjusts cryogenic liquid flow velocity by speed regulation knob 502, controls liquid in low temperature bin 6
Temperature shows the real time temperature curve of liquid in low temperature bin 6 on display 11, when temperature curve reaches test and wants on display 11
After asking, cupping machine is opened, cupping machine is started to work, and shows Live stretch curve on display 11.
The working principle of the invention is:
Refrigerator 13 provides cryogenic media, and cryogenic liquid enters low temperature bin 6 by input pipe 2 by cryogenic pump 1, after circulation
Refrigerator 13 is flowed back to via efferent duct 3,9 temperature of sample is regulated and controled by 6 cryogenic liquid of low temperature bin, and cryogenic media temperature reaches test temperature
Degree, temperature are stablized, and tension test starts, and measurement data is presented in graph form on display 11.
Claims (5)
1. a kind of cryogenic test equipment, including low temperature bin (6), low temperature bin (6) are located on support base (15), low temperature bin (6) and branch
Seat (15) are supportted to connect by buffer (12)；Low temperature bin (6) input interface (6014) by input pipe (2) successively with cryogenic pump
(1), refrigerator (13) is connected；Low temperature bin (6) output interface (6015) is connect by efferent duct (3) with refrigerator (13)；Refrigeration
Device (13) is connected with display screen (11) and control handle (5)；The low temperature bin (6) is divided into cryostat, (601) and partition (602),
Cryostat, (601) is by metal gallbladder (6011), insulating layer one (6012), insulating layer two (6016), shell (6013), annular bottom plate
(6017) it forms；It is characterized in that, the upper opening of the metal gallbladder (6011) has in level along (6018) and vertical edge edge
(6019), partition (602) is placed in metal gallbladder (6011) opening in experimentation；Along (6018) and vertical edge edge in horizontal
(6019) it is contacted with partition (602)；The partition (602) is by circular lower plate (6021), annular insulation board (6022) and annular
Plate (6023) composition；Partition (602), cryostat, (601) collectively constitute the space (10) of opposing seal, and space (10) memory is lowerd
Geothermal liquid medium, cryogenic liquid medium form interior follow by input pipe (2) and efferent duct (3) at the space (10) of low temperature bin
Ring.
2. a kind of cryogenic test equipment according to claim 1, which is characterized in that the partition of the low temperature bin (6)
(602) center has circular hole A(602-1), cryostat, (601) bottom has circular hole D(601-1), sample (9) may pass through above-mentioned two
The arc-shaped transition section of a circular hole A and circular hole D, sample (9) one end are closely connect with partition (602) circular hole A, sample (9) other end
Arc-shaped transition section closely connect with cryostat, (601) circular hole D, it is ensured that cryostat, (601) non-leakage cryogenic media ensures simultaneously
Partition (602) just covers in the opening of cryostat, (601).
3. a kind of cryogenic test equipment according to claim 2, which is characterized in that the circular hole A(602-1) place examination
Sample (9), circular hole B(602-2) pass through displacement sensor (8), circular hole C(602-3) pass through temperature sensor (7).
4. a kind of cryogenic test equipment according to claim 1, which is characterized in that the platform of the support base (15)
(111) centre bit is equipped with circular hole E(111-1), extension rod (14) passes through circular hole E(111-1)；Extension rod (14) and sample (9)
It is threadedly coupled.
5. a kind of cryogenic test equipment according to claim 1, which is characterized in that the refrigerator (13) generates Low Temperature Liquid
Body, cryogenic liquid enter low temperature bin (6) by input pipe (2)；After cryogenic liquid is full of low temperature bin (6), flowed via efferent duct (3)
It returns refrigerator (13), cryogenic liquid flow velocity is controlled by control handle (5)；There are switching knob (501), speed regulation in control handle (5)
Knob (502) and flow velocity display screen (503)；Control handle (5) is connect by cable (4) with refrigerator (13)；Refrigerator (13)
With display screen (11) wired connection, display screen (11) receives the signal of temperature sensor (7), displacement sensor (8), display screen
(11) temperature curve and sample stress strain curve of low temperature bin (6) interior liquid are shown on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821031115.7U CN208420562U (en) | 2018-07-02 | 2018-07-02 | A kind of cryogenic test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821031115.7U CN208420562U (en) | 2018-07-02 | 2018-07-02 | A kind of cryogenic test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208420562U true CN208420562U (en) | 2019-01-22 |
Family
ID=65107973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821031115.7U Expired - Fee Related CN208420562U (en) | 2018-07-02 | 2018-07-02 | A kind of cryogenic test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208420562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627403A (en) * | 2018-07-02 | 2018-10-09 | 西安石油大学 | A kind of cryogenic test equipment |
-
2018
- 2018-07-02 CN CN201821031115.7U patent/CN208420562U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627403A (en) * | 2018-07-02 | 2018-10-09 | 西安石油大学 | A kind of cryogenic test equipment |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20190702 |
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| CF01 | Termination of patent right due to non-payment of annual fee |