High temperature resistance testing device for stainless steel pipe cap steel material

Abstract

The utility model discloses a stainless steel pipe cap steel material high temperature resistance testing device which comprises a bottom box and a high temperature box, the high temperature box is installed on the top of the bottom box, a lifting hole is formed in the box wall of the top of the bottom box, a lifting seat is inserted in the lifting hole, and the lifting seat is connected with the bottom box. The top end of the lifting base extends into the high-temperature box and is fixedly provided with a supporting base, a pipe cap supporting piece is supported on the supporting base, a shear type frame is connected and installed between the bottom of the lifting base and the bottom box wall of the bottom box, a heating box is installed on the top box wall of the inner side of the high-temperature box, and a fan blade cavity piece is installed at the bottom of the heating box. A cavity pipe is fixedly installed at the bottom of the fan blade cavity piece, a sleeve is arranged on the outer side of the cavity pipe in a sleeving mode, and the top end of the sleeve is rotationally installed on the cavity pipe through a sleeve ring. The device has the beneficial effects that the side walls of different pipe caps can be uniformly heated in all directions, so that the high-temperature resistance of the pipe caps can be better tested.

Description

Technical Field

[0001] The utility model relates to the field of stainless steel pipe cap testing devices, in particular to a high temperature resistant testing device for stainless steel pipe cap steel materials. Background Art

[0002] Stainless steel pipe caps are mainly pipe fittings that are welded to the ends of pipes or installed on the external threads of pipe ends to cover and plug pipes. They are used to close pipelines. After forming, stainless steel pipe fittings need to undergo high-temperature testing of their materials and surface anti-corrosion materials. The existing high-temperature testing method usually uses a spray gun to perform high-temperature combustion spraying to observe its changes. The high-temperature spray gun acts on a certain point on the pipe cap wall, and for pipe caps with smaller diameters, the inner wall is not easy to spray, resulting in poor heating uniformity. Utility Model Content

[0003] The purpose of the utility model is to provide a high temperature resistance testing device for stainless steel pipe cap steel material in order to solve the above problems.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A high temperature resistance testing device for stainless steel pipe cap steel materials, comprising a bottom box and a high temperature box, wherein the high temperature box is installed on the top of the bottom box, a lifting hole is opened on the top box wall of the bottom box, a lifting seat is inserted in the lifting hole, the top end of the lifting seat extends to the interior of the high temperature box and is fixedly installed with a support seat, a pipe cap support is supported on the support seat, a scissor-type frame is connected and installed between the bottom of the lifting seat and the bottom box wall of the bottom box, a heating box is installed on the inner top box wall of the high temperature box, a fan blade cavity is installed at the bottom of the heating box, a cavity tube is fixedly installed at the bottom of the fan blade cavity, a sleeve is provided on the outer side of the cavity tube, and the The top end of the sleeve is rotatably mounted on the cavity tube through a sleeve ring, the bottom end branch of the sleeve is connected to an intermediate nozzle and a side nozzle, the bottom end of the intermediate nozzle is rotatably mounted with a rotating pressure head, and a gas-driven fan blade is rotatably mounted in the fan blade cavity of the fan blade cavity through a fan shaft, the bottom end of the fan shaft extends into the sleeve and is connected to the inner tube wall of the sleeve through a sleeve rod, a gas circulation pump is installed on the top support of the high-temperature box, and a return air pipe and an exhaust pipe are respectively installed at the inlet and outlet of the gas circulation pump, the end of the exhaust pipe extends into the heating box, and one end of the return air pipe is mounted on the top box wall of the high-temperature box.

[0006] Furthermore, a heater is installed inside the heating box, an air equalizing pipe is provided above the heater, and the air equalizing pipe is connected to the end of the exhaust pipe.

[0007] Furthermore, a controller is installed on the outside of the high-temperature box, and a temperature sensor is installed inside the heating box, and the temperature sensor is communicatively connected with the controller.

[0008] Furthermore, a lifting motor is installed on the outer box wall of the bottom box, a lifting screw is screwed on the scissor-type frame, and one end of the lifting screw is connected to the lifting motor.

[0009] Furthermore, a limiting plug post is provided at the bottom of the pipe cap support, and a plug post groove is provided on the support seat, and the limiting plug post is inserted into the plug post groove.

[0010] The beneficial effect is that the high temperature resistance testing device for stainless steel pipe caps described in the utility model can uniformly heat the side walls of different pipe caps in all directions, thereby better testing their high temperature resistance performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the internal structure of a high temperature resistance testing device for stainless steel pipe cap steel material described in the utility model;

[0012] Figure 2 It is a partial structural enlarged schematic diagram of a high temperature resistance testing device for a stainless steel pipe cap steel material described in the utility model.

[0013] The following are the descriptions of the reference numerals:

[0014] 1. Base box; 2. High temperature box; 3. Lifting seat; 4. Support seat; 5. Pipe cap support; 6. Heating box; 7. Gas circulation pump; 8. Lifting motor; 9. Scissor frame; 10. Lifting screw; 11. Return air pipe; 12. Heater; 13. Gas equalizing pipe; 14. Temperature sensor; 15. Pipe cap; 16. Casing ring; 17. Cavity tube; 18. Casing rod; 19. Gas driven fan blade; 20. Fan blade cavity; 21. Fan shaft; 22. Side nozzle; 23. Middle nozzle; 24. Branch cap; 25. Rotating pressure head; 26. Controller. DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with the accompanying drawings:

[0016] like Figure 1-Figure 2 As shown, a high temperature resistance testing device for stainless steel pipe cap steel material is composed of a bottom box 1 and a high temperature box 2;

[0017] The high temperature box 2 is installed on the top of the bottom box 1. The high temperature box 2 is the main place for high temperature testing. It is provided with a door body that can be opened and closed. A lifting hole is opened on the top box wall of the bottom box 1. A lifting seat 3 is inserted in the lifting hole. The top of the lifting seat 3 extends to the inside of the high temperature box 2 and is fixedly installed with a support seat 4. The support seat 4 supports a pipe cap support 5. A scissor frame 9 is connected and installed between the bottom of the lifting seat 3 and the bottom box wall of the bottom box 1 to facilitate the lifting of the lifting seat 3;

[0018] A heating box 6 is installed on the inner top box wall of the high temperature box 2, which is the main place for gas heating. A fan blade cavity 20 is installed at the bottom of the heating box 6. A cavity tube 17 is fixedly installed at the bottom of the fan blade cavity 20. A sleeve is sleeved on the outer side of the cavity tube 17. The top of the sleeve is rotatably installed on the cavity tube 17 through a sleeve ring 16. The bottom end of the sleeve is branched and connected with an intermediate nozzle 23 and a side nozzle 22. The side nozzle 22 is provided with two L-shaped ones. A rotating pressure head 25 is rotatably installed at the bottom end of the intermediate nozzle 23.

[0019] A gas-driven fan blade 19 is rotatably mounted in the fan blade cavity 20 via a fan shaft 21. The bottom end of the fan shaft 21 extends into the sleeve and is connected to the inner tube wall of the sleeve via a sleeve rod 18, so as to drive the rotation thereof.

[0020] A gas circulation pump 7 is installed on the top support of the high temperature box 2, and a return air pipe 11 and an exhaust pipe are respectively installed at the inlet and outlet of the gas circulation pump 7. The end of the exhaust pipe extends into the heating box 6. One end of the return air pipe 11 is installed on the top box wall of the high temperature box 2 to facilitate the return of gas in the high temperature box 2.

[0021] like Figure 1-Figure 2 As shown, the utility model also discloses the following more optimized specific structures:

[0022] A heater 12 is installed inside the heating box 6 , and an air equalizing pipe 13 is provided above the heater 12 . The air equalizing pipe 13 is connected to the end of the exhaust pipe.

[0023] A controller 26 is installed on the outside of the high-temperature box 2 , and a temperature sensor 14 is installed inside the heating box 6 . The temperature sensor 14 is communicatively connected with the controller 26 .

[0024] A lifting motor 8 is installed on the outer box wall of the bottom box 1 , and a lifting screw 10 is screwed on the scissor frame 9 , and one end of the lifting screw 10 is connected to the lifting motor 8 .

[0025] A limiting plug is provided at the bottom of the pipe cap holder 5, and a plug slot is provided on the support seat 4. The limiting plug is inserted into the plug slot to facilitate the insertion and limiting, and to facilitate the replacement of different pipe cap holders 5. A pipe cap holder slot is provided on the top surface of the pipe cap holder 5, which is mainly used to place the pipe cap 15.

[0026] like Figure 1-Figure 2When the stainless steel pipe cap steel material high temperature resistance testing device shown is used, first insert the corresponding pipe cap bracket 5 into the support seat 4, then place the pipe cap 15 in the pipe cap bracket and close the door, control the lifting motor 8 to lift the lifting seat 3, so that the pipe cap 15 is sleeved on the middle nozzle 23, rotate the pressure head 25 to press it into the inside of the pipe cap 15, turn on the heater 12, and when the temperature reaches the set temperature, start circulation through the gas circulation pump 7, so that the high-temperature gas is sprayed on the inner and outer walls of the pipe cap 15 for testing. During the gas flow process, the gas drives the fan blades to rotate, thereby driving the sleeve to rotate, and the branch caps 24 on the middle nozzle 23 and the side nozzle 22 perform all-round high-temperature spraying on the pipe cap, which is more uniform.

[0027] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected.

Claims

1. A high temperature resistance testing device for stainless steel pipe cap steel material, characterized by: The invention comprises a bottom box and a high-temperature box, wherein the high-temperature box is installed on the top of the bottom box, a lifting hole is opened on the top box wall of the bottom box, a lifting seat is inserted in the lifting hole, the top end of the lifting seat extends to the inside of the high-temperature box and is fixedly installed with a support seat, a pipe cap support is supported on the support seat, a scissor-type frame is connected and installed between the bottom of the lifting seat and the bottom box wall of the bottom box, a heating box is installed on the inner top box wall of the high-temperature box, a fan blade cavity is installed at the bottom of the heating box, a cavity tube is fixedly installed at the bottom of the fan blade cavity, a sleeve is sleeved on the outer side of the cavity tube, and the top end of the sleeve is sleeved The tube ring is rotatably mounted on the cavity tube, the bottom end branch of the sleeve is connected with an intermediate nozzle and a side nozzle, the bottom end of the intermediate nozzle is rotatably mounted with a rotating pressure head, the blade cavity of the blade cavity is rotatably mounted with a gas-driven blade through a fan shaft, the bottom end of the fan shaft extends into the sleeve and is connected to the inner tube wall of the sleeve through a sleeve rod, a gas circulation pump is mounted on the top support of the high temperature box, a return air pipe and an exhaust pipe are respectively mounted at the inlet and outlet of the gas circulation pump, the end of the exhaust pipe extends into the heating box, and one end of the return air pipe is mounted on the top box wall of the high temperature box.

2. A high temperature resistance testing device for stainless steel pipe cap steel material according to claim 1, characterized in that: A heater is installed inside the heating box, an air equalizing pipe is arranged above the heater, and the air equalizing pipe is connected to the end of the exhaust pipe.

3. A high temperature resistance testing device for stainless steel pipe cap steel material according to claim 1, characterized in that: A controller is installed on the outside of the high-temperature box, and a temperature sensor is installed inside the heating box. The temperature sensor is communicatively connected with the controller.

4. A high temperature resistance testing device for stainless steel pipe cap steel material according to claim 1, characterized in that: A lifting motor is installed on the outer box wall of the bottom box, a lifting screw is screwed on the scissor frame, and one end of the lifting screw is connected to the lifting motor.

5. A high temperature resistance testing device for stainless steel pipe cap steel material according to claim 1, characterized in that: A limiting plug post is provided at the bottom of the pipe cap support, and a plug post groove is provided on the support seat, and the limiting plug post is inserted into the plug post groove.

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