CN204903297U - Polyurethane buffer resistance to compression bearing capacity detection device under alternating temperature environment - Google Patents
Polyurethane buffer resistance to compression bearing capacity detection device under alternating temperature environment Download PDFInfo
- Publication number
- CN204903297U CN204903297U CN201520521608.9U CN201520521608U CN204903297U CN 204903297 U CN204903297 U CN 204903297U CN 201520521608 U CN201520521608 U CN 201520521608U CN 204903297 U CN204903297 U CN 204903297U
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- Prior art keywords
- bearing capacity
- low temperature
- bumper absorber
- temperature environment
- compression load
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Abstract
The utility model discloses a polyurethane buffer resistance to compression bearing capacity detection device under alternating temperature environment, including high lowtemperature cabinet, supporting platform, fixing base and biasing means, supporting platform fixes in high lowtemperature cabinet, and the fixing base is fixed in the supporting platform top, be equipped with a plurality of pressure sensor in the recess of fixing base up end, be equipped with observation window, cold duct and steam pipeline on the lateral wall of high lowtemperature cabinet, open at the top of high lowtemperature cabinet has the through -hole, and biasing means passes the through -hole and connects pressure plate. The utility model discloses simple structure is compact, low in production cost, can real time sensor go out pressure and the change that polyurethane buffer bore through pressure sensor, the observation window conveniently carries out the observation of polyurethane buffer pressurized situation, cold duct and steam pipeline let in cold nitrogen gas and hot nitrogen gas in to high lowtemperature cabinet, can change the temperature in the high lowtemperature cabinet fast, and the resistance to compression bearing capacity who conveniently carries on under the different temperatures detects.
Description
Technical field
The utility model relates to crusherbull zone field, more particularly, particularly relates to polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under a kind of varying temperature environment.
Background technology
Impact damper is one of original paper of safety guard, has been widely used in the crashproof field of all kinds of travelling mechanism such as crane, elevator.Existing impact damper comprises polyurethane bumper absorber, bumper and hydraulic draft gear, polyurethane bumper absorber shock-absorbing capacity is better, and there is good impact elasticity and resistance to compression restorative, oil resistant, ageing-resistant, corrosion-resistant, high temperature resistant and low temperature, and the welcome of feature is especially the subject to every field such as cost is low, easy to installation and maintenance.Polyurethane bumper absorber needs to carry out the detection of resistance to compression load-bearing capacity before being taken into use, thus judges that whether product is qualified, and existing resistance to compression load-bearing capacity detects carries out all at normal temperatures, temperature constant during test.But in actual use, different environments for use determines different serviceability temperatures, only use the test carried out of normal temperature cannot practical requirement, the temperature range that polyurethane bumper absorber uses is at-40 DEG C to 80 DEG C, therefore design a kind of alternating temperature resistance to compression load-bearing capacity pick-up unit, the resistance to compression load-bearing capacity providing the temperature range of-40 DEG C to 80 DEG C to carry out polyurethane bumper absorber detects and seems particularly necessary.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, and providing a kind of can carry out polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under the varying temperature environment of compression test to polyurethane bumper absorber in the temperature range of-40 DEG C to 80 DEG C.
The technical solution of the utility model is achieved in that polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under varying temperature environment, comprises high-low temperature chamber, support platform, holder and device for exerting; Described support platform is fixed in high-low temperature chamber, and holder is fixed on above described support platform, and holder upper surface is provided with the groove closed with tested polyurethane bumper absorber lower end matching size; Be provided with multiple pressure transducer in the groove of described holder upper surface, described pressure transducer is evenly distributed in groove; The sidewall of described high-low temperature chamber is provided with view window, and the high-low temperature chamber sidewall above described view window is provided with cold duct through high-low temperature chamber sidewall and hot gas duct; The top of described high-low temperature chamber has through hole, and device for exerting connects through described through hole the pressure plate be arranged in described high-low temperature chamber.
Further, described device for exerting is cylinder of exerting pressure.
Further, gas outlet is had bottom described high-low temperature chamber.
Further, described hot gas duct and cold duct are connected hot nitrogen generating means and cold nitrogen gas generating device respectively.
Further, described view window is provided with observation scale.
Further, another sidewall of described high-low temperature chamber is provided with chamber door.
Further, described pressure transducer is strain gauge pressure sensor.
Further, described pressure plate is the Circular Rigid Plate that level is installed.
Further, the axle of exerting pressure of described device for exerting is through through hole and by bearing connecting through hole.
The beneficial effects of the utility model are: the utility model is simple and compact for structure, and production cost is low; Can induce by pressure transducer the pressure and change thereof that polyurethane bumper absorber bears in real time, view window conveniently carries out the observation of polyurethane bumper absorber pressurized situation; View window is provided with observation scale, the reset case after energy Real Time Observation polyurethane bumper absorber pressurized; Cold duct and hot gas duct pass into cold nitrogen and hot nitrogen in high-low temperature chamber, can change the temperature in high-low temperature chamber fast, and the resistance to compression load-bearing capacity of conveniently carrying out under different temperatures detects.
Accompanying drawing explanation
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but do not form any restriction of the present utility model.
Fig. 1 is the structural representation of polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under the utility model varying temperature environment.
In figure, 1-high-low temperature chamber, 2-support platform, 3-holder, 4-device for exerting, the tested polyurethane bumper absorber of 5-, 6-view window, 7-pressure transducer, 8-cold duct, 9-hot gas duct, 10-pressure plate, 11-gas outlet.
Embodiment
Consult shown in Fig. 1, under a kind of varying temperature environment of the present utility model, polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit, comprises high-low temperature chamber 1, support platform 2, holder 3 and device for exerting 4; Support platform 2 is fixed in high-low temperature chamber 1, and holder 3 is fixed on above support platform 2, and holder 3 upper surface is provided with the groove closed with tested polyurethane bumper absorber 5 lower end matching size; Be provided with multiple pressure transducer 7 in the groove of holder 3 upper surface, pressure transducer 7 is evenly distributed in groove; The sidewall of high-low temperature chamber 1 is provided with view window 6, and high-low temperature chamber 1 sidewall above view window 6 is provided with cold duct 8 through high-low temperature chamber 1 sidewall and hot gas duct 9; The top of high-low temperature chamber 1 has through hole, and device for exerting 4 connects through through hole the pressure plate 10 be arranged in high-low temperature chamber 1.
Device for exerting 4 is cylinder of exerting pressure.Cylinder of exerting pressure to be exerted pressure to tested polyurethane bumper absorber 5 by pressure plate 10 or is carried out collision in various degree fast, thus simulates the situation of various collision.
Have gas outlet 11 bottom high-low temperature chamber 1, given vent to anger by gas outlet 11, ensure in high-low temperature chamber identical with ambient pressure.
Hot gas duct 9 and cold duct 8 are connected hot nitrogen generating means and cold nitrogen gas generating device respectively; Carry out temperature control by nitrogen in high-low temperature chamber 1, its precision is higher; The temperature in high-low temperature chamber 1 is accurately controlled by set temperature sensor in high-low temperature chamber 1.
View window 6 is provided with observation scale; Observe scale for observe tested polyurethane bumper absorber 5 pressurized after reply degree and speed.
Another sidewall of high-low temperature chamber 1 is provided with chamber door; Conveniently put into and take out tested polyurethane bumper absorber 5 by being opened and closed by chamber door; Chamber door surrounding and high-low temperature chamber 1 are tightly connected.
Pressure transducer 7 is strain gauge pressure sensor 7.
The Circular Rigid Plate that pressure plate 10 is installed for level.
The axle of exerting pressure of device for exerting 4 is through through hole by bearing connecting through hole, bearing is enable the without hindrance bearing moved up and down of axle of exerting pressure, and the axle that ensures to exert pressure can not produce larger friction force with casing thus affect experimental result.
Above illustrated embodiment is better embodiment of the present utility model, only be used for conveniently the utility model being described, not any pro forma restriction is done to the utility model, have in any art and usually know the knowledgeable, if do not depart from the utility model carry in the scope of technical characteristic, utilize the utility model disclose the Equivalent embodiments changing or modify in the done local of technology contents, and do not depart from technical characteristic content of the present utility model, all still belong in the scope of the utility model technical characteristic.
Claims (9)
1. a polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under varying temperature environment, is characterized in that: comprise high-low temperature chamber (1), support platform (2), holder (3) and device for exerting (4); Described support platform (2) is fixed in high-low temperature chamber (1), and holder (3) is fixed on described support platform (2) top, and holder (3) upper surface is provided with the groove closed with tested polyurethane bumper absorber (5) lower end matching size; Be provided with multiple pressure transducer (7) in the groove of described holder (3) upper surface, described pressure transducer (7) is evenly distributed in groove; The sidewall of described high-low temperature chamber (1) is provided with view window (6), and high-low temperature chamber (1) sidewall of described view window (6) top is provided with cold duct (8) through high-low temperature chamber (1) sidewall and hot gas duct (9); The top of described high-low temperature chamber (1) has through hole, and device for exerting (4) connects the pressure plate (10) be arranged in described high-low temperature chamber (1) through described through hole.
2. polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under varying temperature environment according to claim 1, is characterized in that: described device for exerting (4) is cylinder of exerting pressure.
3. polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under varying temperature environment according to claim 1, is characterized in that: described high-low temperature chamber (1) bottom has gas outlet (11).
4. polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under varying temperature environment according to claim 1, is characterized in that: described hot gas duct (9) is connected hot nitrogen generating means and cold nitrogen gas generating device respectively with cold duct (8).
5. polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under varying temperature environment according to claim 1, is characterized in that: described view window (6) is provided with observation scale.
6. polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under varying temperature environment according to claim 1, is characterized in that: another sidewall of described high-low temperature chamber (1) is provided with chamber door.
7. polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under varying temperature environment according to claim 1, is characterized in that: described pressure transducer (7) is strain gauge pressure sensor (7).
8. polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under varying temperature environment according to claim 1, is characterized in that: the Circular Rigid Plate that described pressure plate (10) is installed for level.
9. polyurethane bumper absorber resistance to compression load-bearing capacity pick-up unit under varying temperature environment according to claim 1, is characterized in that: the axle of exerting pressure of described device for exerting (4) is through through hole and by bearing connecting through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520521608.9U CN204903297U (en) | 2015-07-18 | 2015-07-18 | Polyurethane buffer resistance to compression bearing capacity detection device under alternating temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520521608.9U CN204903297U (en) | 2015-07-18 | 2015-07-18 | Polyurethane buffer resistance to compression bearing capacity detection device under alternating temperature environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204903297U true CN204903297U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520521608.9U Expired - Fee Related CN204903297U (en) | 2015-07-18 | 2015-07-18 | Polyurethane buffer resistance to compression bearing capacity detection device under alternating temperature environment |
Country Status (1)
| Country | Link |
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| CN (1) | CN204903297U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817336A (en) * | 2017-09-28 | 2018-03-20 | 芜湖美威包装品有限公司 | Pack the device for detecting performance of foam |
| CN109060548A (en) * | 2018-09-25 | 2018-12-21 | 福建省永正工程质量检测有限公司 | A kind of concrete test block compression strength detection device |
| CN117007630A (en) * | 2023-09-26 | 2023-11-07 | 江苏华恬节能科技有限公司 | High temperature resistant polyurethane goods heat resistance detection device |
-
2015
- 2015-07-18 CN CN201520521608.9U patent/CN204903297U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817336A (en) * | 2017-09-28 | 2018-03-20 | 芜湖美威包装品有限公司 | Pack the device for detecting performance of foam |
| CN109060548A (en) * | 2018-09-25 | 2018-12-21 | 福建省永正工程质量检测有限公司 | A kind of concrete test block compression strength detection device |
| CN117007630A (en) * | 2023-09-26 | 2023-11-07 | 江苏华恬节能科技有限公司 | High temperature resistant polyurethane goods heat resistance detection device |
| CN117007630B (en) * | 2023-09-26 | 2023-12-08 | 江苏华恬节能科技有限公司 | High temperature resistant polyurethane goods heat resistance detection device |
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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: 20151223 Termination date: 20160718 |