CN205426756U - Creep experimental apparatus - Google Patents
Creep experimental apparatus Download PDFInfo
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- CN205426756U CN205426756U CN201620256803.8U CN201620256803U CN205426756U CN 205426756 U CN205426756 U CN 205426756U CN 201620256803 U CN201620256803 U CN 201620256803U CN 205426756 U CN205426756 U CN 205426756U
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- creep
- support
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- test device
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Abstract
Creep experimental apparatus, including support, weight gravity load mechanism and creep position monitoring spare, its characterized in that the support on place the test, weight gravity load mechanism hang in the test on, creep position monitoring spare erect in the outside of support and with the creep displacement of a test contact monitoring test. The utility model provides a creep experimental apparatus, good just experimental reliability is high for simple structure, convenient operation, stability.
Description
Technical field
This utility model relates to a kind of creep test device, it is adaptable to bar shaped test specimen is carried out creep test.
Background technology
Creep refers to that solid material, under conditions of keeping stress constant, strains and extends and ever-increasing phenomenon in time.Plastic deformation generally just occurs after stress exceedes elastic limit, as long as and the action time of creep stress considerably long, it stress less than elastic limit time also can occur.Along with the development of material science and technology, composite, with lightweight, high-strength characteristic, is applied to Structural Engineering more and more widely；And composite is widely used with abundant additional properties, as printing opacity, absorb sound, insulate against sound, entrant sound, heat insulation, heat radiation, antimagnetic, magnetic conduction etc. excellent in the performance of conventional material, be proposed as the first-selection of all kinds of extraordinary occasion.In a lot of occasions, composite, owing to being acted on by load for a long time, will produce bigger deformation so that self or overall construction intensity significantly weaken and cause loss of structure stability.Therefore, in order to make composite play its normal function under action of long-term load, it is necessary to study their creep properties, theoretical foundation is provided for promoting the creep resistance design of composite.
In existing creepmeter, the power sources such as application hydraulic pressure, air pressure, spring, it is mainly used to study the creep properties test of conventional material, composite or new material, and the creep information of test specimen is collected by autographic apparatus, and such creepmeter is all difficult to keep constant pressure or the shortcoming such as pressure oscillation is the biggest in pressure maintaining period, thus affecting the accuracy of test bit, the experimental reliability of creepmeter is the highest.
Utility model content
The creep test device that this utility model provides, simple in construction, easy to operate, good stability and experimental reliability are high.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: creep test device, including support, Weight gravity load maintainer and creep position monitoring part, it is characterized in that placing on described support test block, described Weight gravity load maintainer is hung on test block, and described creep position monitoring part is set up in the outside of support and contacts the creeping displacement of monitoring and test part with test block.
Further, described support includes that the both legs of two placements arranged side by side prop up hurdle and across being contained in the rack that two both legs prop up on hurdle, and the quantity of described rack is two and props up at both legs and be arranged side by side on hurdle, and test block is placed on two racks.
Further, described both legs prop up the strip through-hole having on the horizontal bar on hurdle along horizontal bar length direction, and bolt is contained in both legs through the bottom of strip through-hole and rack props up dismountable for rack on hurdle.
Further, the side of described strip through-hole indicates rule.
Further, described rack is removably connected formed by lower beams and termination, top, and test block is placed between the termination, top of two racks, and described lower beams is dismountable to be contained on horizontal bar.
Further, the described freely-supported termination that termination, top is upper convex spherical or the clamped termination for groove shapes.
Further, described creep position monitoring part includes monitoring support and displacement dial gauge, and described monitoring support is arranged on the outside of support, and described displacement dial gauge is contained on monitoring support, and the measurement bar of displacement dial gauge contacts with test block.
Further, described monitoring support includes three leg bases with leveling and elevating function and the T-shaped bearing being connected on three leg bases, and described displacement dial gauge is contained on T-shaped bearing, the telescopic in height regulation of described T-shaped bearing.
Further, described Weight gravity load maintainer includes that hanging set, suspension rod and tray and counterweight, described hanging set set hang over the middle part of test block, and described suspension rod is connected to the lower section of hanging set, described tray is horizontally mounted at the bottom of suspension rod, and described counterweight is stacked and placed on tray.
Further, backing plate is clamped between described hanging set and test block.
The operation principle of creep test device of the present utility model is: support, Weight gravity load maintainer and creep position monitoring part constitute a creep loading loading system, test block is placed on support, the hanging of Weight gravity loaded member loads source as constant force on test block and test block is carried out creep loading, and creep position monitoring part contacts the creeping displacement to test block and is monitored with test block.
Creep test device of the present utility model, simple in construction, easy to operate, the hanging of Weight gravity loaded member loads source as constant force on test block and test block is carried out creep loading, and test block stable load in process of the test, the reliability of creep test is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation on the creep test device in detailed description of the invention.
Fig. 2 is the structural representation that both legs prop up hurdle.
Fig. 3 is the front view that test block is placed on support.
Fig. 4 is the structural representation of creeping displacement monitoring part.
Fig. 5 is the structural representation of Weight gravity loaded member.
Fig. 6 is the partial enlarged drawing of Fig. 1.
Detailed description of the invention
By drawings and Examples, this utility model will be further described below.
As shown in Figures 1 to 6, creep test device, including support 1, Weight gravity load maintainer 2 and creep position monitoring part 3, test block 4 is placed on described support 1, described Weight gravity load maintainer 2 is hung on test block 4, and described creep position monitoring part 3 is set up in the outside of support 1 and contacts the creeping displacement of monitoring and test part with test block 4.
Described support 1 includes that the both legs of two placements arranged side by side prop up hurdle 11 and across being contained in the rack 12 that two both legs prop up on hurdle 11, and the quantity of described rack 12 is two and props up at both legs and be arranged side by side on hurdle 11, and test block 4 is placed on two racks 12.Described both legs prop up the strip through-hole 112 having on the horizontal bar 111 on hurdle 11 along horizontal bar 111 length direction, and dismountable for rack 12 both legs that are contained in are propped up on hurdle 11 by bolt through the bottom of strip through-hole 112 and rack 12.Described rack 12 is removably connected formed by lower beams 121 and termination, top 122, and test block 4 is placed between the termination, top 122 of two racks 12, and described lower beams 121 is dismountable to be contained on horizontal bar 111.It can be seen that the freely-supported termination that termination, top is upper convex spherical of a rack 12 from Fig. 1 and Fig. 3, the termination, top of another rack 12 is the clamped termination of groove shapes.Rack 12 is all contained on horizontal bar 111 by strip through-hole 112, the regulation rack 12 installation site on horizontal bar 111, i.e. spacing between two racks 12 of scalable, adapt to the placement of the different test block 4 of length, in actual motion, may select the side at strip through-hole 112 and scribe rule, to facilitate the test block for different length, accurately regulate the spacing of two racks 12.
As shown in Figure 4, described creep position monitoring part 3 includes monitoring support 31 and displacement dial gauge 32, described monitoring support 31 is arranged on the outside of support 1, and described displacement dial gauge 32 is contained on monitoring support 31, and the measurement bar of displacement dial gauge 32 contacts with test block 4.Described monitoring support 31 includes having leveling and three leg bases 311 of elevating function and the T-shaped bearing 312 being connected on three leg bases 311, and described displacement dial gauge 32 is contained on T-shaped bearing 312, the telescopic in height regulation of described T-shaped bearing 312.During the test different test block of thickness, the height of height and T-shaped bearing 312 by regulating three leg bases 31 can regulate the place height of displacement dial gauge 32, make the measurement bar of displacement dial gauge 32 contact with test block 4.
As shown in Figure 5, described Weight gravity load maintainer 2 includes hanging set 21, suspension rod 22 and tray 23 and counterweight 24, described hanging set 21 set hangs over the middle part of test block 4, described suspension rod 22 is connected to the lower section of hanging set 21, described tray 23 is horizontally mounted at the bottom of suspension rod 22, and described counterweight 24 is stacked and placed on tray 23.From fig. 6 it can be seen that clamp backing plate 25 between described hanging set 21 and test block 4.The quantity and weight of counterweight 24 stacked on tray 23, determines according to EXPERIMENTAL DESIGN value.
The process that test block carries out creep test with above-described creep test device is:
1, according to the length of test block 4, adjust two racks 12 and prop up the spacing distance on hurdle 11 at both legs, with bolt, rack 12 is positioned on horizontal bar 111.
2, the Weight gravity load maintainer 2 not putting counterweight 24 is hung on test block 4, and test block 4 is positioned between two racks 12, between hanging set 21 and test block 4, place backing plate 25
3, adjust the height of creep position monitoring part 3, make the measurement bar engaged test part 4 of displacement dial gauge 32.
4, the permanent load being set based on the test, is stacked and placed on counterweight 24 on tray 23, and reads the initial value of displacement dial gauge 32.
5, after completing the load time that test sets, then read the monitoring shift value of displacement dial gauge 32, thus obtain test block 4 in permanent load and the creep information in the setting time.
Above-described creep test device, simple in construction, easy to operate, the hanging of Weight gravity loaded member loads source as constant force on test block and test block is carried out creep loading, and test block stable load in process of the test, the reliability of creep test is higher.
Above in association with accompanying drawing, the technical scheme of this utility model embodiment is completely described; it should be noted that described embodiment is only a part of embodiment of this utility model; make based on the embodiment in this utility model; the every other embodiment that those of ordinary skill in the art are obtained on the premise of not making creative work, broadly falls into the scope of this utility model protection.
Claims (9)
1. creep test device, including support (1), Weight gravity load maintainer (2) and creep position monitoring part (3), it is characterized in that placing test block (4) on described support (1), described Weight gravity load maintainer (2) is hung on test block (4), and described creep position monitoring part (3) is set up in the outside of support (1) and contacts the creeping displacement of monitoring and test part with test block (4).
Creep test device the most according to claim 1, it is characterized in that described support (1) includes that the both legs of two placements arranged side by side prop up hurdle (11) and across being contained in the rack (12) that two both legs prop up on hurdle (11), the quantity of described rack (12) is two and props up at both legs and be arranged side by side on hurdle (11), and test block (4) is placed on two racks (12).
Creep test device the most according to claim 2, it is characterized in that described both legs to prop up on the horizontal bar (111) of hurdle (11) and have the strip through-hole (112) along horizontal bar (111) length direction, dismountable for rack (12) both legs that are contained in are propped up on hurdle (11) by bolt through the bottom of strip through-hole (112) and rack (12).
Creep test device the most according to claim 3, it is characterized in that described rack (12) is removably connected formed by lower beams (121) and termination, top (122), test block (4) is placed between the termination, top (122) of two racks (12), and described lower beams (121) is dismountable to be contained on horizontal bar (111).
Creep test device the most according to claim 4, it is characterised in that the described freely-supported termination that termination, top (122) is upper convex spherical or the clamped termination for groove shapes.
Creep test device the most according to claim 5, it is characterized in that described creep position monitoring part (3) includes monitoring support (31) and displacement dial gauge (32), described monitoring support (31) is arranged on the outside of support (1), described displacement dial gauge (32) is contained in monitoring support (31), and the measurement bar of displacement dial gauge (32) contacts with test block (4).
Creep test device the most according to claim 6, it is characterized in that described monitoring support (31) includes three leg bases (311) with leveling and elevating function and the T-shaped bearing (312) being connected on three leg bases (311), described displacement dial gauge (32) is contained on T-shaped bearing (312), the telescopic in height regulation of described T-shaped bearing (312).
Creep test device the most according to claim 7, it is characterized in that described Weight gravity load maintainer (2) includes hanging set (21), suspension rod (22) and tray (23) and counterweight (24), described hanging set (21) set hangs over the middle part of test block (4), described suspension rod (22) is connected to the lower section of hanging set (21), described tray (23) is horizontally mounted at the bottom of suspension rod (22), and described counterweight (24) is stacked and placed on tray (23).
Creep test device the most according to claim 8, it is characterised in that clamp backing plate (25) between described hanging set (21) and test block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256803.8U CN205426756U (en) | 2016-03-30 | 2016-03-30 | Creep experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256803.8U CN205426756U (en) | 2016-03-30 | 2016-03-30 | Creep experimental apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205426756U true CN205426756U (en) | 2016-08-03 |
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ID=56521972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620256803.8U Expired - Fee Related CN205426756U (en) | 2016-03-30 | 2016-03-30 | Creep experimental apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205426756U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208306A (en) * | 2019-06-24 | 2019-09-06 | 天津旭迪聚氨酯保温防腐设备有限公司 | A kind of croop property detection device of polyurethane plastics |
| CN114166646A (en) * | 2021-11-26 | 2022-03-11 | 武汉理工大学 | Testing device and testing method for creep and relaxation characteristics of magnetorheological elastomer under wide magnetic field |
-
2016
- 2016-03-30 CN CN201620256803.8U patent/CN205426756U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208306A (en) * | 2019-06-24 | 2019-09-06 | 天津旭迪聚氨酯保温防腐设备有限公司 | A kind of croop property detection device of polyurethane plastics |
| CN114166646A (en) * | 2021-11-26 | 2022-03-11 | 武汉理工大学 | Testing device and testing method for creep and relaxation characteristics of magnetorheological elastomer under wide magnetic field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20200330 |