CN109596408B - Heating device for high-temperature rock mechanical test of at uniform velocity regulation and control alternating temperature - Google Patents
Heating device for high-temperature rock mechanical test of at uniform velocity regulation and control alternating temperature Download PDFInfo
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- CN109596408B CN109596408B CN201811485554.XA CN201811485554A CN109596408B CN 109596408 B CN109596408 B CN 109596408B CN 201811485554 A CN201811485554 A CN 201811485554A CN 109596408 B CN109596408 B CN 109596408B
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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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
Abstract
The invention discloses a heating device for a high-temperature rock mechanical test for uniformly regulating and controlling temperature change, which comprises a test box, an air inlet and a servo motor, wherein a frame is arranged below the test box, a fixing screw is arranged on one side of the frame, a heating cavity is arranged below the interior of the frame, the servo motor is arranged on the rear side of the frame, a fixed plate is arranged on the front side of a transmission belt, a movable plate is arranged on the front side of the fixed plate, a driving gear is arranged on the front side of the movable plate, a transmission gear is arranged below the driving gear, a tooth block is arranged on one side of the transmission gear, and the tooth block is fixed on one side of a cover plate. This heating device for high temperature rock mechanical test at uniform velocity regulation and control alternating temperature can regulate and control the temperature at uniform velocity, can not cause the jump change of temperature among the temperature regulation process, has guaranteed experimental normal clear, and the device dismantles the installation comparatively convenient simultaneously, conveniently maintains and changes the inside part of the device.
Description
Technical Field
The invention relates to the technical field of rock mechanics, in particular to a heating device for a high-temperature rock mechanics test, which can regulate and control temperature change at a constant speed.
Background
Rock mechanics is the subject of carrying out the change research under the various condition to the rock, solves rock engineering problem in the construction processes such as water conservancy, civil engineering through the research to the rock, need adopt heating device to heat the proof box when carrying out the research under the high temperature state to the rock, and current heating device for high temperature rock mechanics test has following for the problem:
1. temperature adjustment is troublesome, temperature change cannot be regulated at a constant speed, temperature jump amplitude is large when the temperature changes, rock tests can be influenced, and errors of test data can be caused;
2. the disassembly and assembly are inconvenient, and the heating device is inconvenient to disassemble when the heating device needs to be maintained, so that the time for maintaining the heating device is wasted, and the test is influenced.
Therefore, the heating device for the high-temperature rock mechanical test capable of regulating and controlling the temperature at a constant speed is designed to solve the problems.
Disclosure of Invention
The invention aims to provide a heating device for a high-temperature rock mechanical test, which can regulate and control temperature change at a constant speed, and aims to solve the problems that the temperature regulation is troublesome, the temperature change cannot be regulated and controlled at a constant speed, the rock test is possibly influenced, the test data error is caused, the heating device is inconvenient to disassemble when the heating device needs to be maintained, and the test is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a heating device for a high-temperature rock mechanical test for uniformly regulating and controlling temperature variation comprises a test box, an air inlet and a servo motor, wherein a frame is installed below the test box, a fixing screw is installed on one side of the frame, an air delivery cavity is formed in the upper end of the frame, a heating cavity is formed in the lower portion of the inside of the frame, a fan is installed above the inside of the heating cavity, a heater is installed below the fan, the air inlet is formed in the lower portion of the frame, the servo motor is installed on the rear side of the frame, a driving shaft is installed above the servo motor, a driving belt is arranged on the outer side of the driving shaft, a fixing plate is installed on the front side of the driving belt, a movable plate is installed on the front side of the fixing plate, a driving gear is arranged on the front side of the movable plate, a transmission gear is arranged below the driving gear, and a tooth block is arranged on one side of the transmission gear, and the tooth block is fixed on one side of the cover plate, the cover plate is arranged in the movable cavity, and the movable cavity is arranged in the frame.
Preferably, the frame and the test box are clamped and mounted, and fixing screws are symmetrically arranged on two sides of the frame.
Preferably, the air supply cavity is communicated with the heating cavity, and the air supply cavity and the heating cavity are arranged in the frame at equal intervals.
Preferably, the driving shaft and the transmission belt form a belt transmission structure, and the transmission belt and the fixing plate are fixedly installed.
Preferably, the movable plate is meshed with the driving gear, the driving gear and the transmission gear are coaxially and fixedly mounted, and the transmission gear is meshed with the gear block.
Preferably, the cover plate is L-shaped, and the number of the cover plates is equal to that of the air feeding cavities.
Compared with the prior art, the invention has the beneficial effects that: this at uniform velocity regulation and control high temperature rock heating device for mechanical test can regulate and control the temperature at uniform velocity, can not cause the jump change of temperature among the temperature regulation process, has guaranteed experimental normal clear, and the device dismantles the installation simultaneously comparatively convenient, conveniently maintains and changes the inside part of the device:
1. the motion of the movable plates can drive each driving gear to rotate, and the plurality of movable plates are driven by the transmission gears to slide in the movable cavities so as to seal and open each air supply cavity, thereby achieving the purpose of controlling the temperature conveyed by the device;
2. the frame can be conveniently disassembled and assembled from the lower part of the test box by disassembling and assembling the frame and the test box, and then parts inside the device are maintained and replaced, so that the heating efficiency of the device is ensured.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic top view of the internal structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1;
FIG. 4 is a schematic view of the cover plate structure of the present invention.
In the figure: 1. a test chamber; 2. a frame; 3. a set screw; 4. an air delivery cavity; 5. a heating cavity; 6. a fan; 7. a heater; 8. an air inlet; 9. a servo motor; 10. a drive shaft; 11. a transmission belt; 12. a fixing plate; 13. a movable plate; 14. a driving gear; 15. a transmission gear; 16. a tooth block; 17. a cover plate; 18. a movable cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a heating device for a high-temperature rock mechanical test capable of regulating and controlling temperature change at a constant speed comprises a test box 1, a frame 2, a fixing screw 3, an air supply cavity 4, a heating cavity 5, a fan 6, a heater 7, an air inlet 8, a servo motor 9, a driving shaft 10, a driving belt 11, a fixing plate 12, a movable plate 13, a driving gear 14, a transmission gear 15, a tooth block 16, a cover plate 17 and a movable cavity 18, wherein the frame 2 is installed below the test box 1, the fixing screw 3 is installed on one side of the frame 2, the air supply cavity 4 is formed in the upper end of the frame 2, the heating cavity 5 is formed in the lower portion of the inner portion of the frame 2, the fan 6 is installed above the heating cavity 5, the heater 7 is installed below the fan 6, the air inlet 8 is arranged below the frame 2, the servo motor 9 is installed on the rear side of the frame 2, the driving shaft 10 is installed above the servo motor 9, and the driving belt 11 is arranged outside the driving shaft 10, a fixed plate 12 is installed on the front side of the transmission belt 11, a movable plate 13 is installed on the front side of the fixed plate 12, a driving gear 14 is arranged on the front side of the movable plate 13, a transmission gear 15 is arranged below the driving gear 14, a tooth block 16 is arranged on one side of the transmission gear 15, the tooth block 16 is fixed on one side of a cover plate 17, the cover plate 17 is arranged inside a movable cavity 18, and the movable cavity 18 is arranged inside the frame 2;
the frame 2 and the test box 1 are clamped and installed, the two sides of the frame 2 are symmetrically provided with the fixing screws 3, the clamping installation enables the frame 2 to be stably clamped below the test box 1 to supply heat to the test box 1, and the symmetrical arrangement enables the frame 2 to be conveniently detached from the lower side of the test box 1;
the air supply cavity 4 is communicated with the heating cavity 5, the air supply cavity 4 and the heating cavity 5 are arranged in the frame 2 at equal intervals, the communication enables hot air generated in the heating cavity 5 to be blown to the inside of the test box 1 through the air supply cavity 4, and the heating cavity 5 is arranged at equal intervals to be matched with each other to change the heating load of the device;
the driving shaft 10 and the transmission belt 11 form a belt transmission structure, the transmission belt 11 and the fixed plate 12 are fixedly arranged, and the belt transmission structure and the fixed plate can convert the power of the servo motor 9 into the motion of the fixed plate 12;
the movable plate 13 is meshed with the driving gear 14, the driving gear 14 and the transmission gear 15 are coaxially and fixedly installed, the transmission gear 15 is meshed with the toothed block 16, the meshed connection enables the movement of the movable plate 13 to be converted into the rotation of the driving gear 14, the rotation of the transmission gear 15 can drive the cover plate 17 to move through the transmission of the toothed block 16, and the coaxial and fixed installation enables the rotation of the driving gear 14 to drive the transmission gear 15 to rotate;
the cover plates 17 are L-shaped, the number of the cover plates 17 is equal to that of the air feeding cavities 4, and the cover plates 17 cannot collide with the transmission gear 15 in the movement process due to the L-shaped cover plates, so that the stable operation of each cover plate 17 is ensured.
The working principle is as follows: when the heating device for the high-temperature rock mechanical test for regulating and controlling the temperature change at the constant speed is used, according to the diagrams 1-3, the heater 7 with the type of PTC-220V in each heating cavity 5 can heat the air entering from the air inlet 8, the fan 6 is electrified to drive the air to blow to the air feeding cavity 4, when the heat feeding quantity of the device needs to be increased, the servo motor 9 is electrified and started to drive the driving shaft 10 to rotate and further drive the transmission belt 11 to move, the transmission belt 11 drives the fixed plate 12 to move and further drive the movable plate 13 to move when moving, the driving gear 14 is driven to rotate by the meshing between the movable plate 13 and the driving gear 14, and further the transmission gear 15 is driven to rotate to drive the cover plate 17 to move towards the rear of the frame 2, at the moment, the sealing of the air feeding cavity 4 by the cover plate 17 is cancelled, and the hot air in the heating cavity 5 can enter the test box 1 through the air feeding cavity 4, the continuous movement of the movable plate 13 can drive the driving gears 14 to rotate, so that the air supply cavities 4 are opened to supply heat to the test box 1, when the heat supply quantity of the device needs to be reduced, the servo motor 9 is electrified to rotate reversely, and finally the cover plate 17 is driven to seal the air supply cavities 4, so that the heat supply quantity of the device is reduced;
according to the figures 1-2 and 4, the L-shaped arrangement of the cover plate 17 prevents the cover plate 17 from colliding with the transmission gear 15 during movement, so that the purposes that the movement of the cover plate 17 and the movement of the transmission gear 15 do not interfere with each other are achieved, and the stability of the internal operation of the device is ensured.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (3)
1. The utility model provides a high temperature rock mechanical test of at uniform velocity regulation and control alternating temperature uses heating device, includes proof box (1), air inlet (8) and servo motor (9), its characterized in that: the testing device is characterized in that a frame (2) is installed below the testing box (1), a fixing screw (3) is installed on one side of the frame (2), an air delivery cavity (4) is formed in the upper end of the frame (2), the air delivery cavity (4) is communicated with a heating cavity (5), the air delivery cavity (4) and the heating cavity (5) are arranged in the frame (2) at equal intervals, the heating cavity (5) is formed below the inside of the frame (2), a fan (6) is installed above the inside of the heating cavity (5), a heater (7) is installed below the fan (6), an air inlet (8) is formed below the frame (2), a servo motor (9) is installed on the rear side of the frame (2), a driving shaft (10) is installed above the servo motor (9), a driving belt (11) is arranged on the outer side of the driving shaft (10), a fixing plate (12) is installed on the front side of the driving belt (11), and the front side of the fixed plate (12) is provided with a movable plate (13), the movable plate (13) is meshed with the driving gear (14), the driving gear (14) and the transmission gear (15) are coaxially and fixedly installed, the transmission gear (15) is meshed with the toothed block (16), the driving gear (14) is arranged on the front side of the movable plate (13), the transmission gear (15) is arranged below the driving gear (14), the toothed block (16) is arranged on one side of the transmission gear (15), the toothed block (16) is fixed on one side of a cover plate (17), the cover plate (17) is arranged inside the movable cavity (18), the movable cavity (18) is arranged inside the frame (2), the cover plate (17) is L-shaped, and the number of the cover plate (17) is equal to that of the air conveying cavities (4).
2. The heating device for the high-temperature rock mechanical test for uniformly regulating and controlling the temperature change according to claim 1, which is characterized in that: the frame (2) and the test box (1) are clamped and installed, and the two sides of the frame (2) are symmetrically provided with fixing screws (3).
3. The heating device for the high-temperature rock mechanical test for uniformly regulating and controlling the temperature change according to claim 1, which is characterized in that: the driving shaft (10) and the transmission belt (11) form a belt transmission structure, and the transmission belt (11) and the fixing plate (12) are fixedly installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811485554.XA CN109596408B (en) | 2018-12-06 | 2018-12-06 | Heating device for high-temperature rock mechanical test of at uniform velocity regulation and control alternating temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811485554.XA CN109596408B (en) | 2018-12-06 | 2018-12-06 | Heating device for high-temperature rock mechanical test of at uniform velocity regulation and control alternating temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109596408A CN109596408A (en) | 2019-04-09 |
| CN109596408B true CN109596408B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811485554.XA Active CN109596408B (en) | 2018-12-06 | 2018-12-06 | Heating device for high-temperature rock mechanical test of at uniform velocity regulation and control alternating temperature |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113029758B (en) * | 2021-03-30 | 2022-11-18 | 哈尔滨工程大学 | Gas heating device capable of realizing accurate temperature control for Hopkinson bar high-temperature experiment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000180018A (en) * | 1998-12-18 | 2000-06-30 | Fujitsu General Ltd | Refrigerator |
| CN202692263U (en) * | 2012-07-16 | 2013-01-23 | 佛山市顺德区高美空调设备有限公司 | Air cabinet |
| CN203893341U (en) * | 2014-05-27 | 2014-10-22 | 西安工程大学 | Multi-fan evaporative cooling air conditioner |
| CN206862797U (en) * | 2017-06-27 | 2018-01-09 | 中国矿业大学(北京) | A kind of temperature cleaves the experimental rig influenceed to rock specimens |
| CN208012997U (en) * | 2018-03-08 | 2018-10-26 | 无锡环试通试验设备有限公司 | The tuyere structure of thermal shock test chamber |
-
2018
- 2018-12-06 CN CN201811485554.XA patent/CN109596408B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000180018A (en) * | 1998-12-18 | 2000-06-30 | Fujitsu General Ltd | Refrigerator |
| CN202692263U (en) * | 2012-07-16 | 2013-01-23 | 佛山市顺德区高美空调设备有限公司 | Air cabinet |
| CN203893341U (en) * | 2014-05-27 | 2014-10-22 | 西安工程大学 | Multi-fan evaporative cooling air conditioner |
| CN206862797U (en) * | 2017-06-27 | 2018-01-09 | 中国矿业大学(北京) | A kind of temperature cleaves the experimental rig influenceed to rock specimens |
| CN208012997U (en) * | 2018-03-08 | 2018-10-26 | 无锡环试通试验设备有限公司 | The tuyere structure of thermal shock test chamber |
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| CN109596408A (en) | 2019-04-09 |
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