CN206132519U - Lasting relaxation testing machine of high temperature creep - Google Patents
Lasting relaxation testing machine of high temperature creep Download PDFInfo
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- CN206132519U CN206132519U CN201621038049.7U CN201621038049U CN206132519U CN 206132519 U CN206132519 U CN 206132519U CN 201621038049 U CN201621038049 U CN 201621038049U CN 206132519 U CN206132519 U CN 206132519U
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Abstract
The utility model relates to a lasting relaxation testing machine of high temperature creep, including base, heating unit, support element and loading unit. Heating unit, support element set up on the base. The loading unit includes lever and urging means, the intermediate support of lever and support element's upper end normal running fit, and the lever is including the galianconism fulcrum and the long arm fulcrum that are located double -phase remote site. The galianconism fulcrum is located the top of heating unit to the sample that will await measuring hangs to be established between galianconism fulcrum and heating unit, lets the heating unit heat for the sample that awaits measuring, the long arm fulcrum stretches out support element, an urging means and a long arm point connection, transmit to the sample that awaits measuring to the lever application of force on. Support element's side is formed with the operation window of level orientation to to the heating unit and the sample operation of awaiting measuring, and operation window's orientation is perpendicular with the extending direction of lever. The user can operate heating unit, await measuring sample and urging means in operation window place side simultaneously, has reduced work load, convenient operation.
Description
Technical field
This utility model is related to high-temperature material test field, the examination more particularly, it relates to a kind of high-temerature creep persistently relaxes
Test machine.
Background technology
When studying high temperature metallic material, high-temerature creep test, stress-rupture tester or the high temperature of high-temperature material is carried out
Relaxation test.The experimental condition of each test is as follows:
High-temerature creep is tested:Under the high temperature conditions, when material sample is acted on by certain tensile stress, sample deformation is measured
With the variation relation of time.
High temperature relaxation test:Under the high temperature conditions, when material sample being stretched to certain deflection, this is kept to deform
Amount is constant, measures the variation relation of tensile stress and time.Generally tensile stress can diminish with the increase of time, so high temperature
The stress of relaxation test is by slowly diminishing greatly.
Stress-rupture tester:Under the high temperature conditions, when material sample is acted on by certain tensile stress, sample fracture is measured
Time.
The lasting relaxation testing machine of high-temerature creep typically has the groups such as main frame, heating part (heating furnace and temperature controller), extensometer
Into.
This type high temp creep rupture relaxation testing machine, using lever principle to sample imposed load, the intermediate support of lever
For fixed pivot, galianconism fulcrum is connected with sample, and long-armed fulcrum is reinforcing fulcrum, is reinforced with counterweight.
The lax test period of high-temerature creep duration running is typically very long, has to thousand of hours from hundreds of hour, or even
There are tens of thousands of hours.
Existing high temperature creep endurance testing machine, takes vertical structure, and front and back is all operating area, before install
Sample, operation heating furnace, latter acts counterweight.
Existing high temperature creep endurance testing machine, heating furnace does not have positioner, in prolonged process of the test, heating furnace
It is possible to produce skew, when heating fire door is contacted with specimen holder or offset, result of the test can be affected, is forbidden result of the test
Really, test when serious is scrapped, and to restart test.
Existing high temperature creep endurance testing machine, loading is loaded by counterweight, and loading force has " level ", does not connect
Continuous, it is difficult to carry out loading continually varying relaxation test.
Utility model content
The technical problems to be solved in the utility model is, there is provided a kind of lasting relaxation testing machine of improved high-temerature creep.
This utility model solves the technical scheme that its technical problem adopted:Construct a kind of persistently lax examination of high-temerature creep
Test machine, including base, heating unit, support unit and loading unit;
The heating unit, support unit are arranged on the base;
The loading unit includes lever and force application mechanism, the upper end of the intermediate support of the lever and the support unit
It is rotatably assorted, the lever includes being located at the galianconism fulcrum and long-armed fulcrum of two opposite ends;
The galianconism fulcrum is located at the top of the heating unit, sample to be tested is hung and is located at the galianconism fulcrum lower section
In the middle of the heating unit, the heating unit is allowed to be heated for the sample to be tested;The long-armed fulcrum stretches out described
Support unit, the force application mechanism is connected with the long-armed fulcrum, is delivered on the sample to be tested to lever force;
The side of the support unit is formed with operation window horizontally toward, with to the heating unit and described to be tested
Sample is operated, and the direction of the operation window is vertical with the bearing of trend of the lever.
Preferably, the support unit includes four support columns and the footstock for being fixedly mounted on each support column upper end,
Each support column is erected on the base, and the arrangement that is square, and the heating unit is located in four support columns
Portion.
Preferably, the testing machine also includes the detent mechanism positioned to the heating unit.
Preferably, the detent mechanism include the first holder of the side clamping position to the heating unit, second
Holder.
Preferably, first holder includes the first noumenon corresponding with the side profile of the heating unit, second
Holder includes the second body corresponding with the side profile of the heating unit.
Preferably, the first noumenon, the bending of the second body are arranged, and it is relative to be open, and is folded in the heating unit
Upper end or the two opposite sides of lower end;
First holder also includes being located at first rotary shaft at the first noumenon two ends, and second holder is also
Including the second rotary shaft positioned at the second body two ends, first rotary shaft, the axis horizontal of the second rotary shaft are arranged,
The support column is provided with rotation seat, and first rotary shaft, the second rotary shaft are rotatably assorted with the rotation seat;
The detent mechanism also includes that driving first holder, the second holder to rotate departs from the heating unit
Driver element.
Preferably, the driver element includes the first STATEMENT OF FEDERALLY SPONSORED, the second STATEMENT OF FEDERALLY SPONSORED, first connecting rod, second connecting rod;
One end of first STATEMENT OF FEDERALLY SPONSORED is connected with first rotary shaft, and circumferentially positioned with first rotary shaft matches somebody with somebody
Close;One end of second STATEMENT OF FEDERALLY SPONSORED is connected with second rotary shaft, and with the circumferentially positioned cooperation of second rotary shaft;
The first connecting rod is rotated and arranged, and pivot center is located at the middle part of the first connecting rod, the first connecting rod
One end is connected with one end of the second connecting rod, the one end and the described first linkage of the second connecting rod away from the first connecting rod
Part, the second STATEMENT OF FEDERALLY SPONSORED rotate connection, when the first connecting rod is rotated, drive the second connecting rod to move and drive described first
Moving part, the second STATEMENT OF FEDERALLY SPONSORED are rotated, so as to drive first holder, the second holder to rotate.
Preferably, the force application mechanism includes suspension rod, stepless charging assembly and force-applying piece, and the suspension rod hangs and is located at institute
State long-armed fulcrum;
The stepless charging assembly includes third connecting rod, force cell, fourth link, spring, sleeve and mounting seat;
The third connecting rod is connected with the lower end of the suspension rod, and the force cell is arranged under the third connecting rod
End, the upper end of the fourth link is connected with the force cell, and the lower end of the fourth link is provided with the first hanging platform;
The spring is set in outside the fourth link, and lower end offsets with first hanging platform;
The sleeve is set in outside the spring, and the upper end of the sleeve is provided with the second hanging platform, the upper end of the spring with
Second hanging platform offsets, and the mounting seat is connected with the lower end of the sleeve;
The force-applying piece upper-lower position is adjustably arranged on the base, and the force-applying piece is connected with the mounting seat.
Implement the lasting relaxation testing machine of high-temerature creep of the present utility model, have the advantages that:It is of the present utility model
Testing machine is arranged side by side by operation window and force application mechanism in the bearing of trend of lever, user can operation window place side simultaneously pair plus
Hot cell, sample to be tested and force application mechanism are operated, and reduce workload, easy to operate.
Description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the dimensional structure diagram of the lasting relaxation testing machine of high-temerature creep in this utility model embodiment;
Fig. 2 is the mplifying structure schematic diagram when detent mechanism in Fig. 1 is positioned to heating unit;
Fig. 3 is the dimensional structure diagram when detent mechanism in Fig. 1 is positioned to heating unit releasing;
Fig. 4 is the mplifying structure schematic diagram when detent mechanism in Fig. 3 is positioned to heating unit releasing;
Fig. 5 is the dimensional structure diagram of another angle of the lasting relaxation testing machine of high-temerature creep in Fig. 1;
Fig. 6 is the structural representation of the stepless charging assembly in Fig. 5.
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, accompanying drawing is now compareed detailed
Illustrate specific embodiment of the present utility model.
As shown in figure 1, the lasting relaxation testing machine of high-temerature creep in one preferred embodiment of this utility model includes base
1st, heating unit 2, support unit 3 and loading unit 4.
Heating unit 2, support unit 3 are arranged on base 1.Heating unit 2 includes heating furnace, is on heating unit 2
Sample to be tested is heated.Loading unit 4 includes lever 41 and force application mechanism 42, intermediate support and the support unit 3 of lever 41
Upper end be rotatably assorted, support unit 3 be lever 41 provide fulcrum, allow lever 41 to overturn rotation.
Lever 41 includes being located at the galianconism fulcrum and long-armed fulcrum of two opposite ends, and galianconism fulcrum is located at the upper of heating unit 2
Side, sample to be tested is hung and is located between galianconism fulcrum and heating unit 2, allows heating unit 2 to be heated for sample to be tested.It is long
Arm fulcrum stretches out support unit 3, and force application mechanism 42 is connected with long-armed fulcrum, is delivered on sample to be tested to the force of lever 41, is
Sample to be tested provides the tensile force of specific tensile force or change.
Further, the side of support unit 3 is formed with operation window 31 horizontally toward, with to heating unit 2 and to be measured
Sample manipulation, and the direction of operation window 31 is vertical with the bearing of trend of lever 41.User can be simultaneously right in the place side of operation window 31
Heating unit 2, sample to be tested and force application mechanism 42 are operated, and reduce workload, easy to operate.
In certain embodiments, support unit 3 includes four support columns 32 and is fixedly mounted on the upper end of each support column 32
Footstock 33, each support column 32 is erected on base 1, and the arrangement that is square, and heating unit 2 is located at the middle part of four support columns 32,
Make the stress of each support column 32 more balanced, improve the stability of equipment.In other embodiments, support unit 3 is alternatively
Three or many support columns 32 of uniform arrangement.
With reference to shown in Fig. 2 to Fig. 4, in order to ensure the stability of the position that heating unit 2 is placed, it is ensured that to sample to be tested plus
The temperature of heat keeps stable, and testing machine also includes the detent mechanism 5 positioned to heating unit 2, makes heating unit 2 inclined
Position.
Further, in certain embodiments, detent mechanism 5 includes first of the side clamping position to heating unit 2
Holder 51, the second holder 52.First holder 51, the second holder 52 are clamped to heating unit 2, can prevent heating unit
2 off normals.
Preferably, the first holder 51 includes the first noumenon 511 corresponding with the side profile of heating unit 2, the second folder
Gripping member 52 includes second body 521 corresponding with the side profile of heating unit 2.The first noumenon 511, the second body 521 with plus
The profile correspondence of hot cell 2, it is ensured that the accuracy fitted after clamping, it is to avoid because clamping off normal causes positioning inaccurate.At it
In his embodiment, the first holder 51, the second holder 52 also can be by positioning to the multipoint clamping of heating unit 2.
In certain embodiments, the main part profile of heating unit 2 is cylinder, certainly, alternatively other cylinder shapes
Shape.Preferably, the first noumenon 511, the bending of the second body 521 are arranged, and it is relative to be open, the first noumenon 511, the second body 521
Heating unit 2 is clamped from both sides.Generally, the first noumenon 511, the second body 521 be folded in heating unit 2 upper end two it is relative
Side, can separate after being flipped up with heating unit 2, as shown in figure 5, being easy to individually operate heating unit 2.
Further, the first holder 51 also includes being located at first rotary shaft 512 at the two ends of the first noumenon 511, the second folder
Gripping member 52 also includes being located at second rotary shaft 522 at the two ends of the second body 521.First rotary shaft 512, second rotary shaft 522
Axis horizontal is arranged, and support column 32 is provided with rotation seat 34, and the first rotary shaft 512, the second rotary shaft 522 are rotated with rotation seat 34
Coordinate, the clamping to heating unit 2 can be released after the first holder 51, the second holder 52 are flipped up, allow heating unit 2
Can individually be operated.
In other embodiments, the first noumenon 511, the second body 521 are folded in the lower end two opposite sides of heating unit 2,
The lateral register to heating unit 2 can be played, while the positioning to heating unit 2 can also be released after upset.
Detent mechanism 5 also includes driving the first holder 51, the second holder 52 to rotate the driving list for departing from heating unit 2
Unit 53, without by staff go touch, it is to avoid scalded by high temperature, allow the first holder 51, the second holder 52 rotation more
It is convenient.
In certain embodiments, driver element 53 include the first STATEMENT OF FEDERALLY SPONSORED 531, the second STATEMENT OF FEDERALLY SPONSORED 532, first connecting rod 533,
Second connecting rod 534.One end of first STATEMENT OF FEDERALLY SPONSORED 531 is connected with the first rotary shaft 512, and circumferentially positioned with the first rotary shaft 512
Coordinate, allow the first STATEMENT OF FEDERALLY SPONSORED 531 when rotating the first holder 51 can be driven to rotate.One end of second STATEMENT OF FEDERALLY SPONSORED 532 with second turn
Moving axis 522 connects, and with the circumferentially positioned cooperation of the second rotary shaft 522, allow the second STATEMENT OF FEDERALLY SPONSORED 532 rotate when can drive the second clamping
Part 52 is rotated.
Further, first connecting rod 533 is rotated and arranged, and pivot center is located at the middle part of first connecting rod 533.First connecting rod
533 one end is connected with one end of second connecting rod 534, the other end of first connecting rod 533 can as one end of operated by personnel,
First connecting rod 533 is driven to rotate during pressing.
Second connecting rod 534 is rotated with the first STATEMENT OF FEDERALLY SPONSORED 531, the second STATEMENT OF FEDERALLY SPONSORED 532 away from one end of first connecting rod 533 and connected
Connect, when first connecting rod 533 is rotated, drive second connecting rod 534 to move and drive the first STATEMENT OF FEDERALLY SPONSORED 531,532 turns of the second STATEMENT OF FEDERALLY SPONSORED
It is dynamic, so as to drive the first holder 51, the second holder 52 to rotate.
As shown in Figure 5, Figure 6, in certain embodiments, force application mechanism 42 include suspension rod 421, stepless charging assembly 422, with
And force-applying piece 423, suspension rod 421 hangs and is located at long-armed fulcrum, install for stepless charging assembly 422.
As shown in Figure 6, it is preferable that stepless charging assembly 422 includes third connecting rod 4221, force cell the 4222, the 4th
Connecting rod 4223, spring 4224, sleeve 4225 and mounting seat 4226.Third connecting rod 4221 is connected with the lower end of suspension rod 421, dynamometry
Sensor 4222 is arranged on the lower end of third connecting rod 4221, and the upper end of fourth link 4223 is connected with force cell 4222.
The lower end of fourth link 4223 is provided with the first hanging platform, and spring 4224 is set in outside fourth link 4223, and lower end with
First hanging platform offsets.Sleeve 4225 is set in outside spring 4224, and the upper end of sleeve 4225 is provided with the second hanging platform, spring 4224 it is upper
End offsets with the second hanging platform.Mounting seat 4226 is connected with the lower end of sleeve 4225, and the upper-lower position of force-applying piece 423 is adjustably arranged on
On base 1, force-applying piece 423 is connected with mounting seat 4226.
Force-applying piece 423 moves down regulation height and position by Motor drive, and in moving process, spring 4224 is compressed,
The counteracting force that spring 4224 is produced after compressing is delivered on lever 41 by fourth link 4223, third connecting rod 4221, in correspondence
Transmission be applied on sample to be tested.Force cell 4222 directly displays the size of stress, makes the regulation of power more accurately fast
It is prompt.When force-applying piece 423 is moved up and down, the pulling force of sample to be tested also can change, it is to avoid adjust pulling force using counterweight.Due to
The movement of force-applying piece 423 is stepless change, and the power of loading is also stepless change,
The stress of sample to be tested is controlled by the driving of motor, makes stress more accurate, controllable, allow the height of high-temperature material
Warm creep test, stress-rupture tester, high temperature relaxation test process of the test it is more light, test data is also more accurate
Really.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure made using this utility model description and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in
Other related technical fields, are included in the same manner in scope of patent protection of the present utility model.
Claims (8)
1. the lasting relaxation testing machine of a kind of high-temerature creep, it is characterised in that including base(1), heating unit(2), support unit
(3)And loading unit(4);
The heating unit(2), support unit(3)It is arranged on the base(1)On;
The loading unit(4)Including lever(41)And force application mechanism(42), the lever(41)Intermediate support with described
Support unit(3)Upper end be rotatably assorted, the lever(41)Including galianconism fulcrum and long-armed fulcrum positioned at two opposite ends;
The galianconism fulcrum is located at the heating unit(2)Top, sample to be tested hangs and is located at galianconism fulcrum lower section and institute
State heating unit(2)Centre, allows the heating unit(2)Heated for the sample to be tested;The long-armed fulcrum stretches out institute
State support unit(3), the force application mechanism(42)It is connected with the long-armed fulcrum, to the lever(41)Force is delivered to described
On sample to be tested;
The support unit(3)Side be formed with operation window horizontally toward(31), with to the heating unit(2)With it is described
Sample to be tested is operated, and the operation window(31)Direction and the lever(41)Bearing of trend it is vertical.
2. the lasting relaxation testing machine of high-temerature creep according to claim 1, it is characterised in that the support unit(3)Bag
Include four support columns(32)Be fixedly mounted on each support column(32)The footstock of upper end(33), each support column(32)It is vertical
Located at the base(1)On, and the arrangement that is square, the heating unit(2)Positioned at four support columns(32)Middle part.
3. the lasting relaxation testing machine of high-temerature creep according to claim 1, it is characterised in that it is right that the testing machine also includes
The heating unit(2)The detent mechanism for being positioned(5).
4. the lasting relaxation testing machine of high-temerature creep according to claim 3, it is characterised in that the detent mechanism(5)Bag
Include to the heating unit(2)Side clamping position the first holder(51), the second holder(52).
5. the lasting relaxation testing machine of high-temerature creep according to claim 4, it is characterised in that first holder(51)
Including with the heating unit(2)The corresponding the first noumenon of side profile(511), the second holder(52)Including with it is described plus
Hot cell(2)Corresponding second body of side profile(521).
6. the lasting relaxation testing machine of high-temerature creep according to claim 5, it is characterised in that the first noumenon(511)、
Second body(521)Bending is arranged, and it is relative to be open, and is folded in the heating unit(2)Upper end or lower end two opposite sides;
First holder(51)Also include being located at the first noumenon(511)First rotary shaft at two ends(512), described
Two holders(52)Also include being located at second body(521)Second rotary shaft at two ends(522), first rotary shaft
(512), the second rotary shaft(522)Axis horizontal arrange, the support column(32)It is provided with rotation seat(34), described first turn
Moving axis(512), the second rotary shaft(522)With the rotation seat(34)It is rotatably assorted;
The detent mechanism(5)Also include driving first holder(51), the second holder(52)Rotate and depart from described adding
Hot cell(2)Driver element(53).
7. the lasting relaxation testing machine of high-temerature creep according to claim 6, it is characterised in that the driver element(53)Bag
Include the first STATEMENT OF FEDERALLY SPONSORED(531), the second STATEMENT OF FEDERALLY SPONSORED(532), first connecting rod(533), second connecting rod(534);
First STATEMENT OF FEDERALLY SPONSORED(531)One end and first rotary shaft(512)Connection, and with first rotary shaft
(512)Circumferentially positioned cooperation;Second STATEMENT OF FEDERALLY SPONSORED(532)One end and second rotary shaft(522)Connection, and with it is described
Second rotary shaft(522)Circumferentially positioned cooperation;
The first connecting rod(533)Rotate and arrange, and pivot center is located at the first connecting rod(533)Middle part, described first
Connecting rod(533)One end and the second connecting rod(534)One end connection, the second connecting rod(534)Connect away from described first
Bar(533)One end and first STATEMENT OF FEDERALLY SPONSORED(531), the second STATEMENT OF FEDERALLY SPONSORED(532)Rotate connection, the first connecting rod(533)
During rotation, the second connecting rod is driven(534)Move and drive first STATEMENT OF FEDERALLY SPONSORED(531), the second STATEMENT OF FEDERALLY SPONSORED(532)Turn
It is dynamic, so as to drive first holder(51), the second holder(52)Rotate.
8. the lasting relaxation testing machine of high-temerature creep according to any one of claim 1 to 7, it is characterised in that the force
Mechanism(42)Including suspension rod(421), stepless charging assembly(422)And force-applying piece(423), the suspension rod(421)Hang and be located at institute
State long-armed fulcrum;
The stepless charging assembly(422)Including third connecting rod(4221), force cell(4222), fourth link(4223)、
Spring(4224), sleeve(4225)And mounting seat(4226);
The third connecting rod(4221)With the suspension rod(421)Lower end connection, the force cell(4222)It is arranged on institute
State third connecting rod(4221)Lower end, the fourth link(4223)Upper end and the force cell(4222)Connection, institute
State fourth link(4223)Lower end be provided with the first hanging platform;
The spring(4224)It is set in the fourth link(4223)Outward, and lower end offsets with first hanging platform;
The sleeve(4225)It is set in the spring(4224)Outward, the sleeve(4225)Upper end be provided with the second hanging platform, institute
State spring(4224)Upper end offset with second hanging platform, the mounting seat(4226)With the sleeve(4225)Lower end connect
Connect;
The force-applying piece(423)Upper-lower position is adjustably arranged on the base(1)On, the force-applying piece(423)With the peace
Dress seat(4226)Connection.
Priority Applications (1)
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CN201621038049.7U CN206132519U (en) | 2016-09-05 | 2016-09-05 | Lasting relaxation testing machine of high temperature creep |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621038049.7U CN206132519U (en) | 2016-09-05 | 2016-09-05 | Lasting relaxation testing machine of high temperature creep |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110952355A (en) * | 2019-10-16 | 2020-04-03 | 岳成林 | Device for automatically tying rope into rope connecting knot |
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2016
- 2016-09-05 CN CN201621038049.7U patent/CN206132519U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110952355A (en) * | 2019-10-16 | 2020-04-03 | 岳成林 | Device for automatically tying rope into rope connecting knot |
CN110952355B (en) * | 2019-10-16 | 2024-05-28 | 岳成林 | Device for automatically knotting rope |
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