CN115127933B - Polyurethane material heat-resisting detection device - Google Patents
Polyurethane material heat-resisting detection device Download PDFInfo
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- CN115127933B CN115127933B CN202211045839.8A CN202211045839A CN115127933B CN 115127933 B CN115127933 B CN 115127933B CN 202211045839 A CN202211045839 A CN 202211045839A CN 115127933 B CN115127933 B CN 115127933B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
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Abstract
The invention relates to the technical field of materials, in particular to a heat-resistant detection device for a polyurethane material, which comprises: heating seat, motion are aimed some mechanism, pressure measuring rod subassembly and support balladeur train, and the surface of heating seat is equipped with experimental cabin body, and the surface of the experimental cabin body is equipped with the operation hatch door, and the fixed surface of heating seat installs the equipment grudging post that is located experimental cabin body inside, and the fixed surface of equipment grudging post installs and goes up and down, and the sliding surface of going up and down installs the motion seat. According to the invention, through arranging the point location test structure, after the polyurethane material is heated at high temperature in the heating seat, the pressure measuring rod assembly is driven by the motion aiming point mechanism to carry out the surface pressing test on the polyurethane material, through the structural mechanical property change of the polyurethane material in the low-temperature and high-temperature environments, the heat resistance of the polyurethane material is reflected, a plurality of point locations are selected for testing to enlarge the property change of the heating on the polyurethane material structure in the aspects of vision and detection, and the influence effect of the heating on the material is easy to detect.
Description
Technical Field
The invention relates to the technical field of materials, in particular to a heat-resistant detection device for a polyurethane material.
Background
The polyurethane elastomer has the characteristics of high strength, high elasticity and high elongation, and has excellent wear resistance, oil resistance, tearing resistance and chemical resistance, good shock absorption performance and wide hardness adjusting range, and can be widely applied to many fields. However, the polyurethane elastomer has poor heat resistance, and the mechanical properties of the polyurethane elastomer are obviously reduced at high temperature, so that when the elastomer is used under dynamic and high-temperature conditions, the wear resistance is reduced, the mechanical properties are reduced, the overall dimension is changed, and the hardness, strength and modulus properties are reduced, so that the application of the polyurethane elastomer is limited, and a polyurethane material heat-resistant detection device is required to be used for detecting and testing a polyurethane material in research and development tests of a novel polyurethane material to detect whether the required properties are achieved.
Present heat-resisting detection device of polyurethane material treats the detected material board mainly through simple external heating and heats, in order to make the polyurethane material pass through gravity automatic bending or melting with reaction polyurethane material heat resistance to the effect of material through the heating, need continuously heat the polyurethane material among this kind of detection mode until the polyurethane material softens automatic deformation takes place with the emergence temperature reaction polyurethane material heat resistance of softening deformation, it is low to have certain contingency detection data degree of accuracy, and micro deformation receives the length width and the locating position of material all relevant, in addition, easily lead to the material surface uneven being heated with the mode of point heating in the heating, local softening and then makes detection data produce the error, there is certain defect.
In view of the above, the present invention provides a heat-resistant detection device for polyurethane materials, which is developed to solve the problem of inaccurate data due to too simple detection structure, and aims to solve the problem and improve the practical value by using the technology.
Disclosure of Invention
The present invention has been made to solve one of the technical problems occurring in the prior art or the related art.
Therefore, the technical scheme adopted by the invention is as follows: a polyurethane material heat resistance detection device comprises: the device comprises a heating seat, a moving aiming point mechanism, a pressure measuring rod assembly and a supporting sliding frame, wherein a test cabin body is arranged on the surface of the heating seat, an operation cabin door is arranged on the surface of the test cabin body, an equipment vertical frame positioned in the test cabin body is fixedly arranged on the surface of the heating seat, a lifting device is fixedly arranged on the surface of the equipment vertical frame, a moving seat is slidably arranged on the surface of the lifting device, the supporting sliding frame is fixedly arranged on the surface of the moving seat, and the moving aiming point mechanism is fixedly arranged on the top end of the equipment vertical frame and the top surface of an inner cavity of the test cabin body;
the motion point aiming mechanism comprises a first driving seat, a second driving seat, a motion machine head and a first driving motor and a second driving motor which are fixed on the surface of an equipment stand, wherein a transverse screw rod connected with the first driving motor in a transmission mode is installed on one side of the first driving seat in a rotating mode, a first slider is sleeved on the surface of the transverse screw rod in a threaded mode, a first guide rod is fixedly installed on one side of the first slider, a longitudinal screw rod connected with the output end of the second driving motor in a transmission mode is installed on the surface of the second driving seat in a rotating mode, a second slider is sleeved on the surface of the longitudinal screw rod in a threaded mode, a second guide rod is fixedly installed on one side of the second slider, the motion machine head is slidably sleeved on the surfaces of the first guide rod and the second guide rod, and a pressure measuring rod assembly is fixedly installed on the surface of the motion machine head.
The invention in a preferred example may be further configured to: the inner side of the heating seat is fixedly provided with a lifting driving motor, the output end of the lifting driving motor is fixedly connected with a lifting part, the surface of the moving seat is provided with a threaded hole matched with the surface of a screw rod shaft and is sleeved on the surface of the screw rod shaft, and the screw rod shaft and the lifting part are arranged in the same direction.
The present invention in a preferred example may be further configured to: the bottom surface of the test cabin body is connected with the surface of the heating seat in a sealing mode, the inner side of the test cabin body is pasted with a heat insulation layer, and the lifting driving motor, the first driving motor and the second driving motor are of high-temperature-resistant direct current motor structures.
The present invention in a preferred example may be further configured to: the heating device is characterized in that a heating source is arranged on the inner side of the heating seat, the heating source is of a gas heater or resistance wire heater structure, and a plurality of convection fans are fixedly mounted on the inner side of the heating seat.
The present invention in a preferred example may be further configured to: the number of the first driving seats and the number of the second driving seats are two, the transverse screw rods and the longitudinal screw rods are located in the same plane and are mutually perpendicular, two sliding holes which are located at different heights and are mutually perpendicular are formed in the surface of the moving machine head, and the two sliding holes are connected to the outer sides of the first guide rod and the second guide rod in a sliding and sleeved mode.
The present invention in a preferred example may be further configured to: the pressure measuring rod assembly comprises a hydraulic pressure abutting rod, a hydraulic pump and a pressure sensor, the pressure sensor is fixedly installed at the output end of the hydraulic pressure abutting rod and is arranged perpendicular to the surface of the moving seat, and the output end of the hydraulic pump is communicated with the inner portion of the hydraulic pressure abutting rod.
The invention in a preferred example may be further configured to: the pressure sensor's fixed cover in surface has been connected with and has been moved the platform, the surface that moves the platform is equipped with the lift ratch, the surface embedding of motion aircraft nose installs the counter, the input shaft of counter and the surface transmission meshing of lift ratch.
The invention in a preferred example may be further configured to: the support balladeur train includes that fixed mounting in the deformation guide rail on motion seat surface, slidable mounting in the support slip table and the fixed mounting that support the slip table top surface of deformation guide rail surface prop the seat surely, the quantity that deformation guide rail, support slip table and surely prop the seat is two sets of and is symmetrical arrangement in the top surface of motion seat.
The beneficial effects obtained by the invention are as follows:
1. according to the invention, through arranging the point location test structure, after the polyurethane material is heated at high temperature in the heating seat, the pressure measuring rod assembly is driven by the motion aiming point mechanism to carry out the surface pressing test on the polyurethane material, through the structural mechanical property change of the polyurethane material in the low-temperature and high-temperature environments, the heat resistance of the polyurethane material is reflected, a plurality of point locations are selected for testing to enlarge the property change of the heating on the polyurethane material structure in the aspects of vision and detection, and the influence effect of the heating on the material is easy to detect.
2. According to the invention, the first sliding block and the first guide rod are driven by the first driving motor and the second driving motor to slide in the vertical direction, the moving machine head is driven to move in the plane, so that pressure test can be accurately carried out on any point position on the surface of the material to be detected, and the stress change condition of the surface of the material affected by high temperature is integrally reflected through the pressure condition of each point position, so that the measured data has higher objectivity and accuracy.
3. According to the invention, the heating source in the heating seat is utilized to heat the closed cavity in the heating seat globally, the material plate is uniformly heated through the heat conduction of the air flow on the surface of the material, and the heating condition of the surface of the material plate is accurately controlled by matching with the lifting motion of the moving seat to be far away from or close to the heating source, so that the accurate test of the material plate is carried out.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of a test chamber according to an embodiment of the present invention;
FIG. 3 is a schematic view of the mounting structure of the equipment stand and the moving aiming point mechanism according to one embodiment of the invention;
FIG. 4 is a schematic view of the internal structure of the heating base according to one embodiment of the present invention;
FIG. 5 is a schematic view of a moving aiming point mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic view of a pressure gage assembly mounting structure in accordance with one embodiment of the invention;
fig. 7 is a schematic view of a support carriage configuration according to an embodiment of the present invention.
Reference numerals are as follows:
100. a heating base; 110. testing the cabin; 120. operating the cabin door; 130. erecting equipment; 140. a motion base; 101. a heat generating source; 102. a convection fan; 131. a lifting drive motor; 132. lifting; 133. a screw shaft;
200. a moving aiming point mechanism; 210. a first driving seat; 220. a second driving seat; 230. a moving machine head; 240. a first drive motor; 250. a second drive motor; 211. a cross screw rod; 212. a first slider; 213. a first guide bar; 221. a longitudinal screw rod; 222. a second slider; 223. a second guide bar; 231. a lifting rack bar; 232. a meter; 233. moving the table;
300. a pressure gage bar assembly; 310. a hydraulic prop rod; 320. a hydraulic pump; 330. a pressure sensor;
400. a support carriage; 410. a deformation guide rail; 420. a support slipway; 430. a fixed supporting seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings in combination with the embodiments. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
The following describes a heat resistance detection device for polyurethane materials, which is provided by some embodiments of the present invention, with reference to the accompanying drawings.
Referring to fig. 1 to 7, the present invention provides a heat resistance testing apparatus for polyurethane materials, including: the test cabin comprises a heating seat 100, a moving aiming point mechanism 200, a pressure measuring rod assembly 300 and a support carriage 400, wherein the surface of the heating seat 100 is provided with a test cabin body 110, the surface of the test cabin body 110 is provided with an operation cabin door 120, the surface of the heating seat 100 is fixedly provided with an equipment stand 130 positioned inside the test cabin body 110, the surface of the equipment stand 130 is fixedly provided with a lifting 132, the surface of the lifting 132 is slidably provided with a moving seat 140, the support carriage 400 is fixedly arranged on the surface of the moving seat 140, and the moving aiming point mechanism 200 is fixedly arranged at the top end of the equipment stand 130 and the top surface of the inner cavity of the test cabin body 110; the moving aiming point mechanism 200 comprises a first driving seat 210, a second driving seat 220, a moving machine head 230, a first driving motor 240 and a second driving motor 250 which are fixed on the surface of the equipment stand 130, a transverse screw 211 which is in transmission connection with the first driving motor 240 is rotatably installed on one side of the first driving seat 210, a first sliding block 212 is sleeved on the surface of the transverse screw 211 in a threaded manner, a first guide rod 213 is fixedly installed on one side of the first sliding block 212, a longitudinal screw 221 which is in transmission connection with the output end of the second driving motor 250 is rotatably installed on the surface of the second driving seat 220, a second sliding block 222 is sleeved on the surface of the longitudinal screw 221 in a threaded manner, a second guide rod 223 is fixedly installed on one side of the second sliding block 222, the moving machine head 230 is slidably sleeved on the surfaces of the first guide rod 213 and the second guide rod 223, and a pressure measuring rod assembly 300 is fixedly installed on the surface of the moving machine head 230.
In this embodiment, a lifting driving motor 131 is fixedly installed inside the heating base 100, a lifting 132 is fixedly connected to an output end of the lifting driving motor 131, a threaded hole matched with a surface of the screw shaft 133 is formed in a surface of the motion base 140, the threaded hole is sleeved on the surface of the screw shaft 133, and the screw shaft 133 and the lifting 132 are arranged in the same direction.
Specifically, the motion base 140 can be actively driven along the surface of the screw shaft 133 by using the screw driving of the lifting driving motor 131 and the screw shaft 133, so that the lifting motion of the motion base 140 is far away from or close to the heat source, thereby precisely controlling the heating condition of the surface of the material plate.
In this embodiment, the bottom surface of the test chamber 110 is hermetically connected to the surface of the heating base 100, a thermal insulation layer is adhered to the inner side of the test chamber 110, and the elevating driving motor 131, the first driving motor 240 and the second driving motor 250 are high temperature resistant dc motor structures.
Specifically, utilize experimental cabin body 110 to form sealed heating cabin structure, utilize the global heating of internal environment and then treat the detected material and carry out even heat-conduction heating, guarantee that the material is heated evenly, utilize high temperature resistant direct current motor to improve internal drive assembly's the ability of bearing high temperature, avoid high temperature to lead to the drive assembly to shut down.
In this embodiment, a heat source 101 is disposed inside the heating base 100, the heat source 101 is a gas heater or a resistance wire heater, and a plurality of convection fans 102 are fixedly mounted inside the heating base 100.
Specifically, the heating source 101 is used for heating, the convection efficiency of the environment in the heating base 100 and the test cabin 110 is improved under the work of the convection fan 102, the heating income efficiency of the material plates is improved, and the heating uniformity of the material plates is improved by adopting a convection heating mode.
In this embodiment, the number of the first driving seats 210 and the second driving seats 220 is two, the horizontal screw 211 and the vertical screw 221 are located in the same plane and perpendicular to each other, two sliding holes located at different heights and perpendicular to each other are formed on the surface of the moving machine head 230, and the two sliding holes are slidably sleeved on the outer sides of the first guide rod 213 and the second guide rod 223.
Specifically, the transverse screw rod 211 is driven by the first driving motor 240 to rotate and convert into the transverse movement of the first slider 212 and the first guide rod 213, so that the moving machine head 230 slides transversely along the surface of the second guide rod 223, the longitudinal screw rod 221 is driven by the second driving motor 250 to rotate and convert into the movement of the second slider 222 and the second guide rod 223 along the direction perpendicular to the surface of the first guide rod 213, so that the moving machine head 230 slides along the surface of the first guide rod 213, and the movement of the moving machine head 230 inside the transverse screw rod 211 and the longitudinal screw rod 221 is realized by combining the movement of the two.
In this embodiment, the pressure measuring rod assembly 300 includes a hydraulic pressure resisting rod 310, a hydraulic pump 320 and a pressure sensor 330, the pressure sensor 330 is fixedly installed at the output end of the hydraulic pressure resisting rod 310 and is arranged perpendicular to the surface of the movable base 140, and the output end of the hydraulic pump 320 is communicated with the inside of the hydraulic pressure resisting rod 310.
Specifically, the hydraulic pump 320 drives the hydraulic pressing rod 310 to extend and retract so that the bottom end of the pressure sensor 330 contacts with the surface of the material plate and applies pressure, and the pressure sensor 330 detects the pressure during the pressure application process.
In this embodiment, a movable table 233 is fixedly attached to the surface of the pressure sensor 330, a lifting rack 231 is provided on the surface of the movable table 233, a scale 232 is embedded on the surface of the moving head 230, and an input shaft of the scale 232 is in driving engagement with the surface of the lifting rack 231.
Specifically, the movable table 233 moves up and down synchronously with the pressure sensor 330, the lifting rack 231 is drawn to move during the movement, the gauge 232 measures the number of revolutions when the lifting rack 231 moves by meshing the lifting rack 231 with the surface splines of the gauge 232, the stroke amounts of the lifting rack 231 and the gauge 232 are determined by the number of revolutions and the circumferential length of the surface input teeth of the gauge 232, and the stroke amount of the pressure sensor 330 is measured to determine the deformation and bending amount of the material plate.
In this embodiment, the support carriage 400 includes two deformable guide rails 410 fixedly mounted on the surface of the moving seat 140, two support sliding tables 420 slidably mounted on the surface of the deformable guide rails 410, and two fixed support seats 430 fixedly mounted on the top surfaces of the support sliding tables 420, wherein the deformable guide rails 410, the support sliding tables 420, and the fixed support seats 430 are two in number and symmetrically arranged on the top surface of the moving seat 140.
Specifically, utilize support carriage 400 as the bearing structure at material board both ends, the accessible supports slip table 420's slip in material board pressurized deformation, guarantees the deformation that freely deflects of material board, avoids leading to material board deformation to be obstructed because of external resistance, the change of reaction material board more directly perceived.
The working principle and the using process of the invention are as follows:
when the heat-resistant detection device for the polyurethane material is used, firstly, a polyurethane material plate to be detected with a proper length is placed on the fixed supporting seats 430 at two ends of the surface of the moving seat 140, the plate is supported by the fixed supporting seats 430, the heating source 101 in the heating seat 100 is started to heat and raise the temperature of air flow in the heating seat 100 through gas combustion, the convection fan 102 accelerates the air flow exchange movement in the heating seat 100 and the test cabin 110 to uniformly and rapidly raise the temperature in the heating seat 100, the material plate is heated through environmental heat conduction, the lifting driving motor 131 can drive the screw shaft 133 to rotate in the heating process to enable the moving seat 140 to slide along the surface of the lifting 132 to adjust the height, so that the moving seat 140 and the surface material plate are close to and far away from the heat source, and the temperature raising speed is accelerated when the moving seat is close to the heating source 101; in the test, the first driving motor 240 drives the transverse screw 211 to rotate and convert into the transverse motion of the first slider 212 and the first guide rod 213, so that the moving machine head 230 slides transversely along the surface of the second guide rod 223, the second driving motor 250 drives the longitudinal screw 221 to rotate and convert into the direction of the second slider 222 and the second guide rod 223 perpendicular to the surface of the first guide rod 213, so that the moving machine head 230 slides along the surface of the first guide rod 213, the movement of the moving machine head 230 is combined with the movement of the transverse screw 211 and the longitudinal screw 221 to realize the matrix movement of the moving machine head 230 inside the transverse screw 211 and the longitudinal screw 221, the moving machine head 230 is driven to move in the plane, so that pressure test can be accurately performed on any point on the surface of the material to be tested, the bottom end of the pressure sensor 330 is driven by the hydraulic pressure resisting rod 310 and the hydraulic pump 320 to be in contact with and pressed with the surface of the material, the stroke distance between the lifting gear rod 231 and the meter 232 drives the bottom end of the pressure sensor 330 to determine the pressure deformation condition of the plate, and monitor the force through the pressure sensor 330, so as to determine the stress condition of the plate surface, the change condition of the material surface affected by high temperature, and the measured data are more objective and accurate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (5)
1. A polyurethane material heat resistance detection device is characterized by comprising: the test cabin comprises a heating seat (100), a moving aiming point mechanism (200), a pressure measuring rod assembly (300) and a supporting sliding frame (400), wherein a test cabin body (110) is arranged on the surface of the heating seat (100), an operation cabin door (120) is arranged on the surface of the test cabin body (110), an equipment stand (130) located inside the test cabin body (110) is fixedly installed on the surface of the heating seat (100), a lifting seat (132) is fixedly installed on the surface of the equipment stand (130), a moving seat (140) is slidably installed on the surface of the lifting seat (132), the supporting sliding frame (400) is fixedly installed on the surface of the moving seat (140), and the moving aiming point mechanism (200) is fixedly installed on the top end of the equipment stand (130) and the top surface of the inner cavity of the test cabin body (110);
the moving aiming point mechanism (200) comprises a first driving seat (210), a second driving seat (220), a moving machine head (230), a first driving motor (240) and a second driving motor (250) which are fixed on the surface of an equipment stand (130), a transverse screw rod (211) in transmission connection with the first driving motor (240) is rotatably installed on one side of the first driving seat (210), a first sliding block (212) is sleeved on the surface of the transverse screw rod (211), a first guide rod (213) is fixedly installed on one side of the first sliding block (212), a longitudinal screw rod (221) in transmission connection with the output end of the second driving motor (250) is rotatably installed on the surface of the second driving seat (220), a second sliding block (222) is sleeved on the surface of the longitudinal screw rod (221), a second guide rod (223) is fixedly installed on one side of the second sliding block (222), the moving machine head (230) is slidably sleeved on the surfaces of the first guide rod (213) and the second guide rod (223), and a pressure measuring rod assembly (300) is fixedly installed on the surface of the moving machine head (230);
a lifting driving motor (131) is fixedly installed on the inner side of the heating seat (100), the output end of the lifting driving motor (131) is fixedly connected with a lifting rod (132), a threaded hole matched with the surface of a screw rod shaft (133) is formed in the surface of the moving seat (140) and sleeved on the surface of the screw rod shaft (133), and the arrangement directions of the screw rod shaft (133) and the lifting rod (132) are the same;
the bottom surface of the test cabin body (110) is connected with the surface of the heating seat (100) in a sealing manner, a heat insulation layer is adhered to the inner side of the test cabin body (110), and the lifting drive motor (131), the first drive motor (240) and the second drive motor (250) are of a high-temperature-resistant direct current motor structure;
the heating device is characterized in that a heating source (101) is arranged on the inner side of the heating base (100), the heating source (101) is of a gas heater or resistance wire heater structure, and a plurality of convection fans (102) are fixedly mounted on the inner side of the heating base (100).
2. The heat-resistant detection device of the polyurethane material according to claim 1, wherein the number of the first driving seat (210) and the second driving seat (220) is two, the horizontal screw rod (211) and the vertical screw rod (221) are located in the same plane and are perpendicular to each other, two sliding holes which are located at different heights and are perpendicular to each other are formed in the surface of the moving machine head (230), and the two sliding holes are slidably sleeved on the outer sides of the first guide rod (213) and the second guide rod (223).
3. The heat-resistant detection device for the polyurethane material according to claim 1, wherein the pressure measuring rod assembly (300) comprises a hydraulic pressure resisting rod (310), a hydraulic pump (320) and a pressure sensor (330), the pressure sensor (330) is fixedly installed at the output end of the hydraulic pressure resisting rod (310) and is arranged perpendicular to the surface of the moving seat (140), and the output end of the hydraulic pump (320) is communicated with the inner side of the hydraulic pressure resisting rod (310).
4. The device for detecting the heat resistance of the polyurethane material according to claim 3, wherein a movable table (233) is fixedly sleeved on the surface of the pressure sensor (330), an elevating toothed bar (231) is arranged on the surface of the movable table (233), a gauge (232) is embedded and mounted on the surface of the moving head (230), and an input shaft of the gauge (232) is in transmission engagement with the surface of the elevating toothed bar (231).
5. The heat-resistant detection device of polyurethane material of claim 1, characterized in that, the support carriage (400) includes a deformation guide rail (410) fixedly installed on the surface of the motion seat (140), a support sliding table (420) slidably installed on the surface of the deformation guide rail (410), and a fixed support seat (430) fixedly installed on the top surface of the support sliding table (420), and the number of the deformation guide rail (410), the support sliding table (420), and the fixed support seat (430) is two sets and is symmetrically arranged on the top surface of the motion seat (140).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211045839.8A CN115127933B (en) | 2022-08-30 | 2022-08-30 | Polyurethane material heat-resisting detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211045839.8A CN115127933B (en) | 2022-08-30 | 2022-08-30 | Polyurethane material heat-resisting detection device |
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| CN115127933A CN115127933A (en) | 2022-09-30 |
| CN115127933B true CN115127933B (en) | 2023-01-03 |
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| CN116626091B (en) * | 2023-07-21 | 2023-09-29 | 江苏德励达新材料股份有限公司 | Polyurethane material heat-resistant detection device |
| CN116973242B (en) * | 2023-09-22 | 2023-11-28 | 江苏华恬节能科技有限公司 | Polyurethane product high-temperature illumination deformation detection equipment and detection method thereof |
| 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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