CN213041624U - High-low temperature tensile test machine - Google Patents
High-low temperature tensile test machine Download PDFInfo
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- CN213041624U CN213041624U CN202021865920.7U CN202021865920U CN213041624U CN 213041624 U CN213041624 U CN 213041624U CN 202021865920 U CN202021865920 U CN 202021865920U CN 213041624 U CN213041624 U CN 213041624U
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Abstract
The utility model relates to a tensile test equipment technical field, concretely relates to high low temperature tensile test machine, become case, go up pull rod, lower pull rod, temperature regulation apparatus, drive arrangement including the temperature for tensile pulling force induction system is accepted to the pull rod in the response, go up pull rod and pulling force induction system and set up in the upper end of temperature change case, lower pull rod, temperature regulation apparatus and drive arrangement set up in the lower extreme of temperature change case. The utility model discloses a high low temperature tensile test machine sets up pulling force induction system, upper tie rod in the upper end of temperature change case, sets up lower tie, temperature regulation apparatus and drive arrangement in the lower extreme of temperature change case, and make full use of drive arrangement's stroke is as the level of temperature change case, rational utilization air conditioner, and the volume is moderate, avoids drive arrangement to place and leads to the too high condition of drive arrangement in temperature change case upper end, convenient to use, and is with low costs.
Description
Technical Field
The utility model relates to a tensile test equipment technical field, concretely relates to high low temperature tensile test machine.
Background
The tensile testing machine is a mechanical stress testing machine for testing mechanical properties of materials such as static load, tension, compression, bending, shearing, peeling and the like, is suitable for testing various physical and mechanical properties of materials such as plastic plates, pipes, profiled bars, plastic films, rubber, wires, cables and the like, is developed for materials, is indispensable detection equipment for physical property tests, teaching research, quality control and the like, a source peak tensile machine clamp is used as an important component of an instrument, different materials need different clamps, and the tensile testing machine is also an important factor for testing whether the test can be carried out smoothly and testing result accuracy is high.
The existing testing machine has the disadvantages of complex structure, large volume, inconvenient use and high cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned among the prior art not enough, provide a high low temperature tensile test machine, set up pulling force induction system, go up the pull rod in the upper end of temperature change case, set up pull rod, temperature regulation apparatus and drive arrangement in the lower extreme of temperature change case down, make full use of drive arrangement's stroke is as the level of temperature change case, the rational utilization air conditioner, and the volume is moderate, avoids drive arrangement to place and leads to the too high condition of drive arrangement in temperature change case upper end, convenient to use, it is with low costs.
The purpose of the utility model is realized through the following technical scheme:
the high-low temperature tension testing machine comprises a temperature change box, an upper pull rod arranged on the temperature change box, a lower pull rod movably arranged on the temperature change box in a penetrating mode, a temperature adjusting device used for adjusting the temperature of the temperature change box, a driving device used for driving the lower pull rod to be far away from or close to the upper pull rod and a tension sensing device used for sensing the tensile force borne by the upper pull rod, wherein the upper pull rod and the lower pull rod are arranged oppositely, the upper pull rod and the tension sensing device are arranged at the upper end of the temperature change box, and the lower pull rod, the temperature adjusting device and the driving device are arranged at the lower end of the temperature change box.
Wherein, a heating device is arranged in the lower pull rod.
The high-low temperature tensile force testing machine further comprises a sealing ring, the temperature change box is provided with a through hole, the lower pull rod enters the temperature change box through the through hole, and the sealing ring is used for sealing a gap between the lower pull rod and the through hole.
The high-low temperature tensile testing machine is further provided with a bottom gasket and an upper cover, the bottom gasket is used for bearing a sealing ring, the upper cover is used for covering and fixing the sealing ring, the sealing ring is located between the upper cover and the bottom gasket, and the upper cover is detachably connected with the bottom gasket.
The driving device comprises a fixing support arranged on the temperature change box, a driving motor arranged on the fixing support, a transmission screw connected with an output shaft of the driving motor, and a sliding block arranged on the fixing support in a sliding mode, the transmission screw is provided with external threads, the sliding block is provided with internal threads, the internal threads are connected with the external threads in a matched mode, the driving motor drives the transmission screw to rotate from the axis, and the sliding block is fixedly connected with the lower pull rod.
The temperature change box is provided with a constant-temperature constant-humidity sealing door for opening or closing an inner cavity of the temperature change box, and the constant-temperature constant-humidity sealing door is provided with an observation window.
The tension sensing device comprises a sensing support and an inductor, the sensing support is fixedly arranged at the top of the temperature change box, one end of the upper pull rod is connected with the sensing support through the inductor, and the other end of the upper pull rod extends into the temperature change box and is arranged opposite to the lower pull rod.
Wherein the temperature adjusting device comprises an air heater for increasing the temperature in the temperature change box and a condensing device for reducing the temperature in the temperature change box.
The utility model has the advantages that: the utility model discloses a high low temperature tensile test machine sets up pulling force induction system, upper tie rod in the upper end of temperature change case, sets up lower tie, temperature regulation apparatus and drive arrangement in the lower extreme of temperature change case, and make full use of drive arrangement's stroke is as the level of temperature change case, rational utilization air conditioner, and the volume is moderate, avoids drive arrangement to place and leads to the too high condition of drive arrangement in temperature change case upper end, convenient to use, and is with low costs.
Drawings
The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an assembly view of the lower pull rod, the sealing ring and the driving device of the present invention.
Fig. 3 is an assembly view of the lower pull rod, the sealing ring and the driving device at another view angle.
Fig. 4 is an exploded view of the sealing ring, the bottom gasket and the upper cover of the present invention.
The reference numerals include: 1. a temperature change box; 12. a constant temperature and humidity sealing door; 121. an observation window; 2. an upper pull rod; 3. a lower pull rod; 31. a heating device; 4. a seal ring; 5. a bottom gasket; 6. an upper cover; 7. a drive device; 71. fixing a bracket; 72. a drive motor; 73. a drive screw; 74. a slider; 8. a tension sensing device; 81. an induction support; 82. an inductor; 9. a temperature adjustment device; 91. an air heater; 92. a condensing unit.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1 to 4, the utility model discloses a high low temperature tensile test machine, including temperature change case 1, set up in temperature change case 1's last pull rod 2, the activity is worn to locate temperature change case 1's lower link 3, is used for carrying out the temperature regulation apparatus 9 that adjusts to temperature change case 1's temperature, is used for driving lower link 3 to keep away from or be close to the drive arrangement 7 of last pull rod 2 and is used for responding to pull rod 2 and accepts tensile pulling force induction system 8, goes up pull rod 2 and lower link 3 and sets up relatively, go up pull rod 2 and pulling force induction system 8 and set up in temperature change case 1's upper end, lower link 3, temperature regulation apparatus 9 and drive arrangement 7 set up in temperature change case 1's lower extreme.
The traditional high-low temperature tensile testing machine is provided with the driving device 7 at the upper end of the temperature change chamber, so that the volume is large, the cost is increased, the machine is unstable, and inaccurate testing is easily caused. The utility model discloses a high low temperature tensile test machine sets up pulling force induction system 8, go up pull rod 2 in the upper end of temperature change case 1, set up pull rod 3 down, temperature regulation apparatus 9 and drive arrangement 7 in the lower extreme of temperature change case 1, make full use of drive arrangement 7's stroke is as the level of temperature change case 1, the rational utilization air conditioner, the volume is moderate, avoid drive arrangement 7 to place in 1 upper end of temperature change case and lead to the too high condition of drive arrangement 7, high durability and convenient use, low cost, the test is accurate.
As shown in fig. 1 and 2, the lower link 3 of the present invention is provided with a heating device 31 inside. When carrying out the high low temperature test, especially when carrying out the low temperature test, because air in the temperature change case 1, when low temperature, cooling air adheres to 3 surfaces of lower link easily, leads to lower link 3 and temperature change case 1 to solidify together, can't test, the utility model discloses an inside heating device 31 that is provided with of lower link 3, preferably, heating device 31 is the heating rod, can heat lower link 3, makes the frost on lower link 3 surface dissolve, and lower link 3 moves smoothly and wears to locate temperature change case 1, does not influence temperature change incasement temperature simultaneously, makes the test accurate.
As shown in fig. 1 to 4, the high and low temperature tension testing machine of the present invention further includes a sealing ring 4, the temperature change box 1 is provided with a through hole, the lower pull rod 3 enters the temperature change box 1 through the through hole, and the sealing ring 4 is used for sealing the gap between the lower pull rod 3 and the through hole. Be provided with sealing washer 4 between lower link 3 and the temperature change case 1, can make the temperature change case 1 sealed relatively, avoid outside air, steam to carry out the temperature change case 1, improve the testing accuracy.
As shown in fig. 1 and 4, the utility model discloses a high low temperature tensile test machine still is provided with bottom gasket 5 and upper cover 6, and bottom gasket 5 is used for bearing sealing washer 4, and upper cover 6 is used for the lid to close fixed seal 4, and sealing washer 4 is located between upper cover 6 and the bottom gasket 5, and upper cover 6 can dismantle with bottom gasket 5 and be connected. Bottom gasket 5 and 1 fixed connection of warm case, bottom gasket 5 set up in the through-hole, and sealing washer 4 sets up in bottom gasket 5 upper end, and upper cover 6 sets up in sealing washer 4 upper end and can dismantle with bottom gasket 5 and be connected, and upper cover 6 and bottom gasket 5 can wrap up sealing washer 4, avoid sealing washer 4 directly to expose in the air, increase sealing washer 4's life.
As shown in fig. 1 to 3, the driving device 7 of the present invention includes a fixing bracket 71 disposed on the temperature-variable box 1, a driving motor 72 disposed on the fixing bracket 71, a driving screw 73 connected to an output shaft of the driving motor 72, and a sliding block 74 disposed on the fixing bracket 71 in a sliding manner, wherein the driving screw 73 is connected to the sliding block by a screw thread, the driving screw 73 is rotatably disposed on the fixing bracket 71, the driving motor 72 drives the driving screw 73 to rotate from the axis, and the sliding block 74 is fixedly connected to the lower link 3. The driving device 77 of this embodiment moves the slide block 74 via the drive screw 73, thereby moving the lower link 3 in the vertical direction. The during operation, driving motor 72 starts, drive screw 73 rotates, drive screw 73 slides along fixed bolster 71 through external screw thread drive sliding block 74, thereby make lower pull rod 3 reciprocate along fixed bolster 71, driving motor 72 can forward rotation and antiport, when driving motor 72 forward rotation, sliding block 74 rebound, lower pull rod 3 upwards stretches into temperature change case 1, when driving motor 72 antiport, sliding block 74 rebound, lower pull rod 3 is moving towards the direction that stretches out temperature change case 1, thereby carry out the tensile test to the material that awaits measuring.
As shown in fig. 1, the utility model discloses a temperature becomes case 1 and is provided with the constant temperature and humidity sealing door 12 that is used for opening or closing the inner chamber of temperature becomes case 1, and constant temperature and humidity sealing door 12 is provided with observation window 121. Constant temperature and humidity sealing door 12 can seal temperature change case 1, and the interior environmental treatment of incasement is invariable state when guaranteeing the test ensures that temperature and humidity are invariable, improves the test accuracy. Meanwhile, the constant temperature and humidity sealing door 12 is provided with an observation window 121, so that the condition in the temperature change box 1 can be observed, and the smooth test is ensured.
As shown in fig. 1, the tension sensing device 8 of the present invention includes a sensing bracket 81 and a sensor 82, the sensing bracket 81 is fixed at the top of the temperature-variable box 1, one end of the upper pull rod 2 is connected with the sensing bracket 81 through the sensor 82, and the other end of the upper pull rod 2 extends into the temperature-variable box 1 and is arranged opposite to the lower pull rod 3. The tension sensing device 8 can sense the maximum tension which can be borne by the material to be tested in the process of being stretched to be broken, so that the physical performance parameters of the material to be tested can be obtained. The upper pull rod 2 and the lower pull rod 3 are in the same straight line, and when a material to be tested is clamped between the upper pull rod 2 and the lower pull rod 3, the material to be tested is stretched into a straight line, so that component forces in different directions are avoided, and physical performance parameters of the material to be tested are accurately obtained.
As shown in fig. 1, the temperature adjusting device 9 of the present invention includes an air heater 91 for increasing the temperature in the temperature change tank 1 and a condensing device 92 for reducing the temperature in the temperature change tank 1. When the physical property of the material is tested in a high-temperature environment, the air heater 91 heats the air in the temperature change box 1 until the temperature reaches a set value, so that the physical property of the material at a preset high temperature is tested; when the physical property of the material is tested in a low-temperature environment, the condensing device 92 cools the air in the temperature change tank 1, so that the environment in the temperature change tank 1 is reduced to a set value, and the physical property of the material at a preset low temperature is tested.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides a high low temperature tensile test machine which characterized in that: the temperature-variable box comprises a temperature-variable box, an upper pull rod, a lower pull rod, a temperature adjusting device, a driving device and a tension sensing device, wherein the upper pull rod is arranged on the temperature-variable box, the lower pull rod is movably arranged in the temperature-variable box in a penetrating mode, the temperature adjusting device is used for adjusting the temperature of the temperature-variable box, the driving device is used for driving the lower pull rod to be far away from or close to the upper pull rod, the tension sensing device is used for sensing the tension borne by the upper pull rod, the upper pull rod and the lower pull rod are arranged oppositely, the upper pull rod and the tension sensing device are arranged at the upper.
2. The high and low temperature tensile testing machine of claim 1, wherein: and a heating device is arranged in the lower pull rod.
3. The high and low temperature tensile testing machine of claim 1, wherein: the high-low temperature tensile force testing machine further comprises a sealing ring, the temperature change box is provided with a through hole, the lower pull rod enters the temperature change box through the through hole, and the sealing ring is used for sealing a gap between the lower pull rod and the through hole.
4. The high and low temperature tensile testing machine of claim 3, wherein: the high-low temperature tensile force testing machine is further provided with a bottom gasket and an upper cover, the bottom gasket is used for bearing the sealing ring, the upper cover is used for covering and fixing the sealing ring, the sealing ring is located between the upper cover and the bottom gasket, and the upper cover is detachably connected with the bottom gasket.
5. The high and low temperature tensile testing machine of claim 1, wherein: the driving device comprises a fixing support arranged on the temperature change box, a driving motor arranged on the fixing support, a transmission screw connected with an output shaft of the driving motor, and a sliding block arranged on the fixing support in a sliding manner, the transmission screw is in threaded connection with the sliding block, the transmission screw is arranged on the fixing support in a rotating manner, the driving motor drives the transmission screw to rotate from the axis, and the sliding block is fixedly connected with the lower pull rod.
6. The high and low temperature tensile testing machine of claim 1, wherein: the temperature becomes the case and is provided with the constant temperature and humidity sealing door that is used for opening or closing the inner chamber of temperature change case, and constant temperature and humidity sealing door is provided with the observation window.
7. The high and low temperature tensile testing machine of claim 1, wherein: the tension sensing device comprises a sensing support and a sensor, the sensing support is fixedly arranged at the top of the temperature change box, one end of the upper pull rod is connected with the sensing support through the sensor, and the other end of the upper pull rod extends into the temperature change box and is arranged opposite to the lower pull rod.
8. The high and low temperature tensile testing machine of claim 1, wherein: the temperature adjusting device comprises an air heater for increasing the temperature in the temperature change box and a condensing device for reducing the temperature in the temperature change box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021865920.7U CN213041624U (en) | 2020-08-31 | 2020-08-31 | High-low temperature tensile test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021865920.7U CN213041624U (en) | 2020-08-31 | 2020-08-31 | High-low temperature tensile test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213041624U true CN213041624U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021865920.7U Active CN213041624U (en) | 2020-08-31 | 2020-08-31 | High-low temperature tensile test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213041624U (en) |
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2020
- 2020-08-31 CN CN202021865920.7U patent/CN213041624U/en active Active
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