High-temperature heating furnace for tensile experiment

Abstract

The utility model relates to the technical field of high-temperature heating furnaces, and discloses a high-temperature heating furnace for a tensile experiment, which solves the problems that a furnace door of the existing high-temperature heating furnace needs to be opened when a test article is replaced, a large amount of heat is released to the outside after the furnace door is opened, and the temperature in the furnace is sharply reduced, and comprises a high-temperature heating furnace body, a furnace door is hinged to the front portion of the surface of the high-temperature heating furnace body, four supporting legs are annularly and fixedly installed on the lower portion of the high-temperature heating furnace body at equal intervals, a supporting plate is fixedly installed on one side of the surface of the high-temperature heating furnace body, a driving motor is fixedly installed on the top of the supporting plate, and a heat preservation box is fixedly installed on the rear portion of the surface of the high-temperature heating furnace body. Conveying pipes are fixedly mounted at the top and the bottom of the heat preservation box; the high-temperature heating furnace can store heat, so that no large amount of heat is released to the outside when the furnace door is opened, the experiment efficiency is improved, and the energy loss is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to high temperature heating furnace technical field, concretely is a kind of high temperature heating furnace for tensile test. BACKGROUND

[0002] High temperature heating furnace for tensile test is the equipment specially designed for the mechanical property test of material under high temperature environment;High temperature heating furnace is usually used as a part of tensile testing machine, and is used in cooperation with tensile testing machine.High temperature heating furnace mainly includes furnace body, heating element, temperature control system and related supporting devices;Furnace body is usually made of high-temperature-resistant material, such as stainless steel or ceramic material, to ensure stable performance under high temperature environment;Furnace body is internally provided with a heating area for heating sample;Heating element usually adopts resistance heating method, such as iron-chromium-aluminum alloy resistance wire, which generates high temperature by current heating;Temperature control system is usually composed of thermocouple temperature sensor and high-precision temperature controller, for real-time monitoring and accurate control of furnace temperature;High temperature heating furnace is widely used in aerospace, petrochemical industry, machinery manufacturing, new materials, polymer materials, adhesives, ceramic building materials and metal materials, etc.These materials in these fields often need to work under high temperature environment, so high temperature tensile test is needed to evaluate their mechanical properties;The existing high temperature heating furnace needs to open the furnace door when replacing test sample, and a large amount of heat will be released to the outside world after opening the furnace door, resulting in sharp drop of furnace temperature, so that it needs to be heated again when the next experiment is carried out, which reduces the experimental efficiency and increases the energy consumption. SUMMARY

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a high temperature heating furnace for tensile test, which effectively solves the problem that the existing high temperature heating furnace needs to open the furnace door when replacing test sample, and a large amount of heat will be released to the outside world after opening the furnace door, resulting in sharp drop of furnace temperature.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: A high temperature heating furnace for tensile test, including high temperature heating furnace body, the front part of high temperature heating furnace body surface is hinged with furnace door, the lower part of high temperature heating furnace body annular equidistance fixed mounting has four support legs, the side of high temperature heating furnace body surface is fixedly installed with support plate, the top of support plate is fixedly installed with drive motor, the rear part of high temperature heating furnace body surface is fixedly installed with heat preservation box, the top and bottom of heat preservation box are fixedly installed with conveying pipe, the one end of two conveying pipes away from heat preservation box is fixedly connected with the top and bottom of high temperature heating furnace body, the inside of heat preservation box is fixedly installed with three heating pipes, the output of drive motor is equipped with transmission assembly, the inside top and bottom of high temperature heating furnace body are fixedly installed with installation hopper, the one end of two installation hoppers close to each other is fixedly installed with valve, the inside of two installation hoppers is equipped with suction fan symmetrically, transmission assembly is driven connection with two suction fans, drive motor runs and is powered to two suction fans through transmission assembly.

[0005] Preferably, the transmission assembly includes a driving sprocket and a driven sprocket, the driving sprocket is fixedly installed on the output end of the drive motor, the driven sprocket is arranged on one side of the driving sprocket, the top of the driving sprocket is rotatably installed with a positioning plate, one end of the positioning plate is fixedly connected with the high temperature heating furnace body, and the chain is engagedly connected between the driven sprocket and the driving sprocket.

[0006] Preferably, the middle part of the driven sprocket is fixedly installed with a rotating shaft, the surface of the rotating shaft is rotatably installed with four bearings, the surfaces of the four bearings are fixedly connected with the high temperature heating furnace body through fixed rods, the two ends of the rotating shaft are fixedly installed with driving bevel gears, the surfaces of the two driving bevel gears are engagedly connected with driven bevel gears on one side, the two driven bevel gears are rotatably installed with positioning frames through shaft seats on one side, and one end of the two positioning frames is fixedly connected with the top and bottom of the high temperature heating furnace body.

[0007] Preferably, the other sides of the driven bevel gears are fixedly installed with shaft rods, the surfaces of the shaft rods are rotatably installed with shaft sleeves, the two shaft sleeves are fixedly installed between the two installation hoppers and the high temperature heating furnace body, one end of the two shaft rods respectively extends to the inside of the two installation hoppers and is fixedly installed with driving umbrella gears, the surfaces of the driving umbrella gears are engagedly connected with driven umbrella gears on one side, the sides close to each other of the two driven umbrella gears are fixedly installed with rotating rods, the surfaces of the two rotating rods are rotatably installed with rotating sleeves, the two rotating sleeves are fixedly connected with the inner walls of the two installation hoppers through four supporting rods, and one end of the two rotating rods close to each other is fixedly connected with the two suction fans.

[0008] Compared with the prior art, the beneficial effects of this utility model are as follows: Before opening the furnace door, the operator opens two valves and starts the drive motor to drive the active sprocket to rotate. The active sprocket drives the driven sprocket to rotate through the chain. When the driven sprocket rotates, it drives the rotating shaft to rotate inside the four bearings. When the rotating shaft rotates, it drives the two driven bevel gears to rotate along the two shaft seats on the two positioning frames through the two active bevel gears. When the two driven bevel gears rotate, they both drive the shaft rod to rotate inside the bushing.

[0009] When the shaft rotates, the driving bevel gears are driven by the active bevel gears. The rotation of the two driven bevel gears drives the rotating rod inside the rotating sleeve. The rotation of the rotating rod drives the suction fan. When the suction fan rotates, it draws heat from inside the high-temperature furnace body into the insulation box through two conveying pipes. Simultaneously, three heating pipes are activated to keep the hot gas warm. Then, two valves are closed, and the operator opens the furnace door to replace the test sample, thus preventing heat loss from the high-temperature furnace body. After the new test sample is replaced, the operator opens the two valves and starts the drive motor to rotate the two suction fans in the opposite direction, thereby drawing heat back into the high-temperature furnace body. This allows the high-temperature furnace to retain heat, preventing a large amount of heat from being released to the outside when the furnace door is opened, thus improving experimental efficiency and reducing energy consumption. Attached Figure Description

[0010] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0011] In the attached diagram:

[0012] Figure 1 This is a schematic diagram of the high-temperature heating furnace structure for tensile testing according to this utility model. Figure 1 ;

[0013] Figure 2 This is a schematic diagram of the high-temperature heating furnace structure for tensile testing according to this utility model. Figure 2 ;

[0014] Figure 3 This is a schematic diagram of the internal structure of the high-temperature heating furnace body of this utility model;

[0015] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle;

[0016] Figure 5 This utility model Figure 3 Enlarged structural diagram at point B;

[0017] In the figure: 1, high temperature heating furnace body; 2, furnace door; 3, support leg; 4, support plate; 5, drive motor; 6, heat preservation box; 7, conveying pipe; 8, heating pipe; 9, driving sprocket; 10, positioning plate; 11, driven sprocket; 12, chain; 13, rotating shaft; 14, bearing; 15, installation bucket; 16, driving bevel gear; 17, driven bevel gear; 18, shaft seat; 19, positioning frame; 20, shaft rod; 21, shaft sleeve; 22, driving umbrella gear; 23, driven umbrella gear; 24, rotating rod; 25, rotating sleeve; 26, support rod; 27, valve; 28, suction fan. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] By Figures 1 to 5 The utility model discloses a high temperature heating furnace body 1, the front part of high temperature heating furnace body 1 surface articulates the furnace door 2, and the lower part of high temperature heating furnace body 1 annular equidistance fixed mounting has four support legs 3, and one side of high temperature heating furnace body 1 surface fixed mounting has the support plate 4, and the top of support plate 4 fixed mounting has drive motor 5, and the rear part of high temperature heating furnace body 1 surface fixed mounting has heat preservation box 6, and the top and bottom of heat preservation box 6 are fixedly installed with conveying pipe 7, and the end of two conveying pipes 7 away from heat preservation box 6 is fixedly connected with the top and bottom of high temperature heating furnace body 1, and three heating pipes 8 are fixedly installed in heat preservation box 6, and the output of drive motor 5 is equipped with transmission assembly, and the inner top and inner bottom of high temperature heating furnace body 1 are fixedly installed with installation bucket 15, and the end of two installation buckets 15 close to each other is fixedly installed with valve 27, and the inside of two installation buckets 15 is symmetrically equipped with suction fan 28, and transmission assembly is transmission connection with two suction fans 28, and drive motor 5 runs and exports power to two suction fans 28 through transmission assembly.

[0020] Before opening the furnace door 2, the operator opens two valves 27 and starts the drive motor 5 to drive the transmission assembly to operate, and the transmission assembly drives the suction fan 28 to rotate when operating, and the suction fan 28 rotates to suck the heat in the high-temperature heating furnace body 1 into the heat preservation box 6 through the two conveying pipes 7, and at the same time, the three heating pipes 8 are started to heat the hot air, and then the two valves 27 are closed, and then the operator opens the furnace door 2 to replace the new test product for testing, so that the heat in the high-temperature heating furnace body 1 will not flow out; after the new test product is replaced, the operator opens the two valves 27 and reverses the drive motor 5 to operate, and the drive motor 5 reverses the operation to drive the two suction fans 28 to rotate in the opposite direction, so that the heat in the heat preservation box 6 can be sucked into the high-temperature heating furnace body 1 again; so that the high-temperature heating furnace can save heat, so that when the furnace door 2 is opened, a large amount of heat will not be released to the outside, thereby improving the experimental efficiency and reducing the energy loss.

[0021] The transmission assembly includes a driving sprocket 9 and a driven sprocket 11, the driving sprocket 9 is fixedly installed on the output end of the drive motor 5, the driven sprocket 11 is arranged on one side of the driving sprocket 9, the top of the driving sprocket 9 is rotatably installed with a positioning plate 10, one end of the positioning plate 10 is fixedly connected with the high-temperature heating furnace body 1, and the chain 12 is engagedly connected between the driven sprocket 11 and the driving sprocket 9; the middle of the driven sprocket 11 is fixedly installed with a rotating shaft 13, the surface of the rotating shaft 13 is rotatably installed with four bearings 14, the surfaces of the four bearings 14 are fixedly connected with the high-temperature heating furnace body 1 through fixed rods, and the two ends of the rotating shaft 13 are fixedly installed with driving bevel gears 16. The two driving bevel gears 16 are engagedly connected with driven bevel gears 17 on one side of the surfaces of the two driving bevel gears 16, and the two driven bevel gears 17 are rotatably installed with positioning frames 19 on one side through shaft seats 18. One end of the two positioning frames 19 is fixedly connected with the top and the bottom of the high-temperature heating furnace body 1, respectively. The other side of the driven bevel gears 17 is fixedly installed with shaft rods 20, the surfaces of the shaft rods 20 are rotatably installed with shaft sleeves 21, the two shaft sleeves 21 are fixedly installed between the two installation hoppers 15 and the high-temperature heating furnace body 1, respectively, one end of the two shaft rods 20 extends into the interior of the two installation hoppers 15 and is fixedly installed with driving umbrella gears 22, respectively, one side of the surfaces of the driving umbrella gears 22 is engagedly connected with driven umbrella gears 23, one side of the two driven umbrella gears 23 close to each other is fixedly installed with rotating rods 24, the surfaces of the two rotating rods 24 are rotatably installed with rotating sleeves 25, the two rotating sleeves 25 are fixedly connected with the inner walls of the two installation hoppers 15 through four supporting rods 26, respectively, and the two rotating rods 24 are fixedly connected with the two suction fans 28 at the ends close to each other.

[0022] When the driving motor 5 works, it drives the driving sprocket 9 to rotate, and the driving sprocket 9 drives the driven sprocket 11 to rotate through the chain 12. When the driven sprocket 11 rotates, it drives the rotating shaft 13 to rotate inside the four bearings 14. When the rotating shaft 13 rotates, it drives the two driven bevel gears 17 to rotate along the two shaft seats 18 on the two positioning frames 19 through the two driving bevel gears 16. When the two driven bevel gears 17 rotate, they both drive the shaft rods 20 to rotate inside the shaft sleeves 21. When the shaft rods 20 rotate, they both drive the driven umbrella gears 23 to rotate through the driving umbrella gears 22. When the two driven umbrella gears 23 rotate, they both drive the rotating rods 24 to rotate inside the rotating sleeves 25. When the rotating rods 24 rotate, they both drive the suction fans 28 to rotate.

Claims

1. A high temperature furnace for tensile experiments, comprising a high temperature furnace body (1), characterized in that: The front part of the surface of the high-temperature heating furnace body (1) is hingedly connected with a furnace door (2), the lower part of the high-temperature heating furnace body (1) is fixedly installed with four supporting legs (3) at equal intervals, one side of the surface of the high-temperature heating furnace body (1) is fixedly installed with a supporting plate (4), the top of the supporting plate (4) is fixedly installed with a driving motor (5), the rear part of the surface of the high-temperature heating furnace body (1) is fixedly installed with a heat preservation box (6), the top and the bottom of the heat preservation box (6) are fixedly installed with conveying pipes (7), the conveying pipes (7) away from the heat preservation box (6) are fixedly connected with the top and the bottom of the high-temperature heating furnace body (1), respectively, three heating pipes (8) are fixedly installed in the heat preservation box (6), the output end of the driving motor (5) is provided with a transmission assembly, the inner top and the inner bottom of the high-temperature heating furnace body (1) are fixedly installed with mounting hoppers (15), one end of each of the two mounting hoppers (15) close to each other is fixedly installed with a valve (27), the inside of each of the two mounting hoppers (15) is symmetrically provided with a suction fan (28), the transmission assembly is in transmission connection with the two suction fans (28), and the driving motor (5) outputs power to the two suction fans (28) through the transmission assembly when the driving motor (5) operates.

2. The high temperature furnace for tensile test according to claim 1, wherein: The transmission assembly comprises a driving sprocket (9) and a driven sprocket (11), the driving sprocket (9) is fixedly installed at the output end of the driving motor (5), the driven sprocket (11) is arranged on one side of the driving sprocket (9), the top of the driving sprocket (9) is rotatably installed with a positioning plate (10), one end of the positioning plate (10) is fixedly connected with the high-temperature heating furnace body (1), and the driving sprocket (9) and the driven sprocket (11) are in meshing connection with a chain (12) therebetween.

3. The high temperature furnace for tensile testing of claim 2, wherein: The middle part of the driven sprocket (11) is fixedly installed with a rotating shaft (13), the surface of the rotating shaft (13) is rotatably installed with four bearings (14), the surfaces of the four bearings (14) are fixedly connected with the high-temperature heating furnace body (1) through fixing rods, both ends of the rotating shaft (13) are fixedly installed with driving bevel gears (16), one side of the surfaces of the two driving bevel gears (16) is in meshing connection with driven bevel gears (17), one side of the two driven bevel gears (17) is rotatably installed with positioning frames (19) through shaft seats (18), and one end of each of the two positioning frames (19) is fixedly connected with the top and the bottom of the high-temperature heating furnace body (1), respectively.

4. The high temperature furnace for tensile testing of claim 3, wherein: The other side of the driven bevel gear (17) is fixedly installed with a shaft rod (20), the surface of the shaft rod (20) is rotatably installed with a shaft sleeve (21), two shaft sleeves (21) are fixedly installed between two installation hoppers (15) and the high-temperature heating furnace body (1) respectively, one end of two shaft rods (20) respectively extends to the inside of two installation hoppers (15) and is fixedly installed with a driving umbrella gear (22), one side of the surface of the driving umbrella gear (22) is engagedly connected with a driven umbrella gear (23), the side of two driven umbrella gears (23) close to each other is fixedly installed with a rotating rod (24), the surface of two rotating rods (24) is rotatably installed with a rotating sleeve (25), two rotating sleeves (25) are fixedly connected with the inner wall of two installation hoppers (15) through four supporting rods (26) respectively, one end of two rotating rods (24) close to each other is fixedly connected with two suction fans (28) respectively.

Images