CN208366735U - A kind of polyurethane sound-absorbing foam ageing test apparatus - Google Patents
A kind of polyurethane sound-absorbing foam ageing test apparatus Download PDFInfo
- Publication number
- CN208366735U CN208366735U CN201821114271.XU CN201821114271U CN208366735U CN 208366735 U CN208366735 U CN 208366735U CN 201821114271 U CN201821114271 U CN 201821114271U CN 208366735 U CN208366735 U CN 208366735U
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- China
- Prior art keywords
- absorbing foam
- connecting rod
- sound
- adapting table
- test apparatus
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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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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a kind of polyurethane sound-absorbing foam ageing test apparatus, including workbench, the upper end of the workbench is fixedly connected with multiple support plates, and support plate symmetrical vertical placement two-by-two, the upper end of two support plates slidably connects adapting table jointly, and adapting table is horizontal positioned, the lower end of the adapting table is fixedly connected with pressing plate.The utility model drives adapting table to slide on the supporting plate by the pouring weight of different weight, and sound-absorbing foam is squeezed with dynamic pressure plate, connecting rod drives connecting rod to move down, slide sliding block in the sliding slot on casing, compare the height of two sliding blocks, by the compression height for comparing aging foam and unaged foam, react the compressive strength of the sound-absorbing foam of aging, to more intuitively show the degree of aging of the sound-absorbing foam of aging, the step of reducing degradation, experimentation cost is reduced, test operation efficiency is improved.
Description
Technical field
The utility model relates to degradation technical fields more particularly to a kind of polyurethane sound-absorbing foam degradation to fill
It sets.
Background technique
Degradation refers to that the various factors that analog equipment is related in real use condition generates aging to product
Situation carries out the process that corresponding conditions reinforce experiment, and the experiment is mainly for plastic material；
Existing ageing test apparatus is complicated, and test efficiency is low, and installation cost is high, can not quickly carry out to test material fast
The test of speed, keeps test period longer, and be difficult to intuitively show test result.
Utility model content
It is difficult to intuitively show test result purpose of the utility model is to solve degradation in the prior art
Problem, and a kind of polyurethane sound-absorbing foam ageing test apparatus proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of polyurethane sound-absorbing foam ageing test apparatus, including workbench, the upper end of the workbench are fixedly connected with
Multiple support plates, and support plate symmetrical vertical placement two-by-two, the upper end of two support plates slidably connects adapting table jointly, and holds
Consecutive horizontal positioned, the lower end of the adapting table is fixedly connected with pressing plate, the upper end of the workbench be located at two support plates it
Between position be fixedly connected with mounting table, the upper gap of the mounting table is connected with sound-absorbing foam, and sound-absorbing foam is located at pressure
The position of the lower end of plate, the lower end of the pressing plate and close support plate is fixedly connected with measuring mechanism.
Preferably, the measuring mechanism includes connecting rod, connecting rod, sliding block, casing, spring and sliding slot, under the pressing plate
End is fixedly connected with connecting rod, and the connecting rod is fixedly connected with connecting rod close to one end of support plate, and connecting rod is placed vertically, institute
Stating clearance fit on connecting rod has casing, and described sleeve pipe is welded on the close one end of support plate, and the connecting rod is located at one in casing
End is fixedly connected with sliding block.
Preferably, sliding slot is offered on the tube body of described sleeve pipe, the width of the sliding slot is slightly larger than the width of sliding block, described
The gap between two ends of sliding block are connected in sliding slot and extend sliding slot.
Preferably, the upper gap of the adapting table is connected with pouring weight, and the support plate is opened up close to one end of adapting table
There is T-type sliding slot, integrally formed with T-block, the T-block is slidably connected in T-type sliding slot at the both ends of the adapting table.
Preferably, described sleeve pipe internal clearance is connected with spring, and the upper and lower ends of the spring are respectively welded under sliding block
The bottom end at end and casing.
Preferably, graduation mark is carved on the outer wall of described sleeve pipe.
The utility model has the benefit that compared with prior art
1, the utility model drives adapting table to slide on the supporting plate by the pouring weight of different weight, and with dynamic pressure plate to suction
Sound foam is squeezed, and connecting rod drives connecting rod to move down, and is slided sliding block in the sliding slot on casing, is compared two sliding blocks
Height, by compare aging foam and unaged foam compression height, reaction aging sound-absorbing foam compressive strength,
To more intuitively show aging sound-absorbing foam degree of aging, reduce degradation the step of, reduce test at
This, improves test operation efficiency；
2, by the elastic acting force of spring, impact force is buffered when can be to sliding block slide downward, is being covered by sliding block
The difference of the stop place of pipe outer wall high scale line, can it is more intuitive comparison two foams compression height, more intuitively open up
The degree of aging of the sound-absorbing foam of aging is shown.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of polyurethane sound-absorbing foam ageing test apparatus structure chart；
Fig. 2 be the utility model proposes a kind of polyurethane sound-absorbing foam ageing test apparatus adapting table and support plate connect
Map interlinking；
Fig. 3 be the utility model proposes a kind of polyurethane sound-absorbing foam ageing test apparatus part A amplification assumption diagram；
Fig. 4 be the utility model proposes a kind of polyurethane sound-absorbing foam ageing test apparatus casing side view；
Fig. 5 be the utility model proposes a kind of polyurethane sound-absorbing foam ageing test apparatus two structure chart of embodiment；
Fig. 6 be the utility model proposes a kind of polyurethane sound-absorbing foam ageing test apparatus two dial chart of embodiment.
In figure: 1 workbench, 2 support plates, 3 sound-absorbing foams, 4 pressing plates, 5 adapting tables, 6 pouring weights, 7 mounting tables, 8 springs, 9 are slided
Slot, 10 sliding blocks, 11 connecting rods, 12 connecting rods, 13 casings, 14T type block, 15T type sliding slot, 16 graduation marks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment one
Referring to Fig.1-4, the upper end of a kind of polyurethane sound-absorbing foam ageing test apparatus, including workbench 1, workbench 1 is solid
Surely it is connected with multiple support plates 2, and the symmetrical vertical placement two-by-two of support plate 2, the upper end of two support plates 2 slidably connects jointly
Adapting table 5, and adapting table 5 is horizontal positioned, the lower end of adapting table 5 is fixedly connected with pressing plate 4, and the upper end of workbench 1 is located at two
Position between support plate 2 is fixedly connected with mounting table 7, and the upper gap of mounting table 7 is connected with sound-absorbing foam 3, and sound-absorbing steeps
Foam 3 is located at the lower end of pressing plate 4, the lower end of pressing plate 4 and is fixedly connected with measuring mechanism close to the position of support plate 2, adapting table 5 by
When power, the both ends of adapting table 5 are slided in support plate 2, and sound-absorbing foam 3 is placed on mounting table 7, and are squeezed by pressing plate 4
Pressure.
Measuring mechanism includes connecting rod 12, connecting rod 11, sliding block 10, casing 13 and sliding slot 9, and the lower end of pressing plate 4 is fixedly connected
There is connecting rod 12, connecting rod 12 is fixedly connected with connecting rod 11 close to one end of support plate 2, and connecting rod 11 is placed vertically, connecting rod 11
Upper clearance fit has casing 13, and casing 13 is welded on the close one end of support plate 2, and one end that connecting rod 11 is located in casing 13 is fixed
It is connected with sliding block 10, when 4 stress of pressing plate moves down, connecting rod 11 can be driven to move down by connecting rod 12, connecting rod 11 is sliding
It moves in casing 13, casing 13 is stablized in support plate 2.
Sliding slot 9 is offered on the tube body of casing 13, the width of sliding slot 9 is slightly larger than the width of sliding block 10, the both ends of sliding block 10
Gap is connected in sliding slot 9 and extends sliding slot 9, is limited by sliding slot 9 to sliding block 10, guarantor when moving downward sliding block 10
It is fixed to keep steady.
The upper gap of adapting table 5 is connected with pouring weight 6, and support plate 2 offers T-type sliding slot 15 close to one end of adapting table 5,
The both ends of adapting table 5 are slidably connected in T-type sliding slot 15 integrally formed with T-block 14, T-block 14, pass through different weight
Pouring weight 6 drives adapting table 5 to slide in support plate 2, can repeatedly be tested, the accuracy of test be improved, by T-block in T
Sliding in type sliding slot 15 promotes stability when adapting table 5 slides.
Embodiment two
Referring to Fig. 5-6, embodiment two and embodiment one the difference is that, on the basis of example 1, in sliding block
Lower end is added to spring 8, and graduation mark 16 is added on the outer wall of casing 13；13 internal clearance of casing is connected with spring 8, spring
Upper and lower ends be respectively welded at the lower end of sliding block 10 and the bottom end of casing 13.It is carved with graduation mark 16 on the outer wall of casing 13, leads to
The stop place of graduation mark 16 of the sliding block 10 on 13 outer wall of casing is crossed, it can the more intuitive height for comparing two sliding blocks 10.
When the utility model is used, sound-absorbing foam 3 is placed on mounting table 7 by embodiment one, by the foam of aging and not
The foam of aging is individually positioned on two mounting tables 7, and then pouring weight 6 is placed on adapting table 5, is made under gravity
The slide downward in support plate 2 of adapting table 5, while sound-absorbing foam 3 is squeezed with dynamic pressure plate 4, pressing plate 4 drives connection at this time
Bar 12 moves down, and connecting rod 12 drives connecting rod 11 to slide in casing 13, while the sliding of sliding block 10 passes through two in sliding slot 9
Degree of contrast between a sliding block 10, thus the compressive strength of two sound-absorbing foams 3 of comparison, to test out the foam of aging
Degree of aging, this operation can be by replacing the pouring weight 6 of different weight, and measuring accuracy can be improved in repetition test；
Embodiment two when sliding block 10 slides in sliding slot 9, while squeezing spring on the basis of embodiment one is implemented
8, can the impact force of buffer sliding block 10 can be more straight by the stop place of graduation mark 16 of the sliding block 10 on 13 outer wall of casing
The height of two sliding blocks 10 of comparison of sight, to compare the compressive strength of two sound-absorbing foams 3 and carry out aging comparison.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of polyurethane sound-absorbing foam ageing test apparatus, including workbench (1), which is characterized in that the workbench (1)
Upper end is fixedly connected with multiple support plates (2), and symmetrical vertical placement, the upper end of two support plates (2) are total two-by-two for support plate (2)
It is same to slidably connect adapting table (5), and adapting table (5) is horizontal positioned, the lower end of the adapting table (5) is fixedly connected with pressing plate
(4), the position that the upper end of the workbench (1) is located between two support plates (2) is fixedly connected with mounting table (7), described to put
The upper gap for setting platform (7) is connected with sound-absorbing foam (3), and sound-absorbing foam (3) is located at the lower end of pressing plate (4), the pressing plate (4)
Lower end and be fixedly connected with measuring mechanism close to the position of support plate (2).
2. a kind of polyurethane sound-absorbing foam ageing test apparatus according to claim 1, which is characterized in that the measuring machine
Structure includes connecting rod (12), connecting rod (11), sliding block (10), casing (13) and sliding slot (9), and the lower end of the pressing plate (4) is fixed to be connected
It is connected to connecting rod (12), the connecting rod (12) is fixedly connected with connecting rod (11) close to the one end of support plate (2), and connecting rod (11)
Vertical to place, there is casing (13) clearance fit on the connecting rod (11), described sleeve pipe (13) is welded on close one of support plate (2)
End, the connecting rod (11) are located at one end in casing (13) and are fixedly connected with sliding block (10).
3. a kind of polyurethane sound-absorbing foam ageing test apparatus according to claim 2, which is characterized in that described sleeve pipe
(13) it is offered on tube body sliding slot (9), the width of the sliding slot (9) is slightly larger than the width of sliding block (10), the sliding block (10)
Gap between two ends be connected in sliding slot (9) and extend sliding slot (9).
4. a kind of polyurethane sound-absorbing foam ageing test apparatus according to claim 1, which is characterized in that the adapting table
(5) upper gap is connected with pouring weight (6), and the support plate (2) offers T-type sliding slot (15) close to the one end of adapting table (5),
Integrally formed with T-block (14), the T-block (14) is slidably connected in T-type sliding slot (15) at the both ends of the adapting table (5).
5. a kind of polyurethane sound-absorbing foam ageing test apparatus according to claim 2, which is characterized in that described sleeve pipe
(13) internal clearance is connected with spring (8), and the upper and lower ends of the spring are respectively welded at lower end and the casing (13) of sliding block (10)
Bottom end.
6. a kind of polyurethane sound-absorbing foam ageing test apparatus according to claim 2, which is characterized in that described sleeve pipe
(13) graduation mark (16) are carved on outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821114271.XU CN208366735U (en) | 2018-07-14 | 2018-07-14 | A kind of polyurethane sound-absorbing foam ageing test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821114271.XU CN208366735U (en) | 2018-07-14 | 2018-07-14 | A kind of polyurethane sound-absorbing foam ageing test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366735U true CN208366735U (en) | 2019-01-11 |
Family
ID=64925349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821114271.XU Expired - Fee Related CN208366735U (en) | 2018-07-14 | 2018-07-14 | A kind of polyurethane sound-absorbing foam ageing test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366735U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916721A (en) * | 2019-04-16 | 2019-06-21 | 陈贞辉 | A kind of elastomeric check device of the material tests with taxonomic structure |
| CN110231226A (en) * | 2019-05-21 | 2019-09-13 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of dynamic compressive test method of rubber seal under electric field action |
-
2018
- 2018-07-14 CN CN201821114271.XU patent/CN208366735U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916721A (en) * | 2019-04-16 | 2019-06-21 | 陈贞辉 | A kind of elastomeric check device of the material tests with taxonomic structure |
| CN110231226A (en) * | 2019-05-21 | 2019-09-13 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of dynamic compressive test method of rubber seal under electric field action |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 Termination date: 20200714 |
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| CF01 | Termination of patent right due to non-payment of annual fee |