Heat-resistant steel casting special for heat treatment

Abstract

The utility model relates to the technical field of steel castings, and discloses a heat treatment special heat-resistant steel casting which comprises a supporting structure, a heating structure is arranged in the middle of the supporting structure, the supporting structure comprises an annular base, a plurality of protruding blocks are fixedly connected to the lower end of the annular base, a cylinder is fixedly connected to the upper end of the annular base, and the protruding blocks are arranged on the cylinder. The outer surface of the cylinder is fixedly connected with an extension rod, and the other end of the extension rod is fixedly connected with a side plate. According to the heat-resistant steel casting special for heat treatment, supporting is conducted through the annular base, a circle of protruding blocks are arranged at the lower end of the annular base, the protruding blocks are clamped into a furnace, the stability is enhanced, then the heating body is supported through the cylinder, limiting is further conducted through the extension rods and the side plates, and therefore the situation that supporting is not stable enough due to deformation of the steel casting during heating is prevented; and then the heating workpiece is supported by the clamping groove, so that the effects that the heating workpiece is conveniently supported through the steel casting, the supporting stability is improved, and the structural stability is enhanced are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel castings, in particular to a heat-resistant steel casting specially used for heat treatment. Background Art

[0002] Heat-resistant steel castings refer to steel that works at high temperatures. The development of heat-resistant steel castings is closely related to the technological progress of various industrial sectors such as power stations, boilers, gas turbines, internal combustion engines, and aircraft engines. Due to the different temperatures and stresses of various machines and devices, as well as the different environments in which they are located, the types of steel used are also different.

[0003] Existing steel castings, when used as heat-resistant components, are mostly circular integral structures, are easily deformed at high positions, and have insufficient heat resistance.

[0004] To this end, we proposed a heat-resistant steel casting specially used for heat treatment to solve the problem that the existing steel castings are easily deformed by heat and are not stable enough when used as heat-resistant bases. Utility Model Content

[0005] The utility model aims to provide a heat-resistant steel casting specially used for heat treatment, so as to solve the problem that the existing steel castings mentioned in the above background technology are easily deformed by heat and are not stable enough when used as heat-resistant bases.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a heat-resistant steel casting specially used for heat treatment, comprising a supporting structure, wherein a heating structure is arranged in the middle of the supporting structure;

[0007] The support structure comprises an annular base, a plurality of protrusions are fixedly connected to the lower end of the annular base, a cylinder is fixedly connected to the upper end of the annular base, an extension rod is fixedly connected to the outer surface of the cylinder, a side plate is fixedly connected to the other end of the extension rod, and a plurality of slots are opened at the upper end of the cylinder;

[0008] The heating structure includes a sleeve, the upper end of the sleeve is fixedly connected to a heat sink, the bottom of the sleeve is provided with an air inlet hole, the inner side of the sleeve is provided with an air inlet pipe, the upper outer surface of the sleeve is provided with a plurality of air outlet holes, the air inlet hole and the air outlet holes are both provided with filter screens, the interior of the sleeve is fixedly connected to a heat conducting plate, the other end of the heat conducting plate is fixedly connected to an inner tube, and the interior of the inner tube is provided with a condenser.

[0009] Preferably, a plurality of the protrusions are arranged around a ring structure, an inclined surface is provided at the lower end of the extension rod, and a double opening is provided on the surface of the extension rod.

[0010] Preferably, the side plate is configured as an arc-shaped structure, and the diameters of the plurality of slots decrease sequentially from top to bottom.

[0011] Preferably, the sleeve is located inside the column and is fixedly connected to the column, and both ends of the air inlet pipe are connected to the air inlet hole and the air outlet hole respectively.

[0012] Preferably, the surfaces of the sleeve, the heat conducting plate and the inner tube are all provided with a hot-dip galvanized layer, and the heat conducting plate is provided in plurality.

[0013] Preferably, the condenser is configured as a spiral structure, and the water inlet and the water outlet of the condenser penetrate the inner tube and the sleeve and are arranged on the side wall of the annular base.

[0014] Preferably, a heat transfer tube is fixedly connected to the outer surface of the air intake pipe, and the heat sink is connected to the heat transfer tube.

[0015] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0016] First, the utility model is supported by an annular base, and a circle of protrusions is arranged at the lower end of the annular base, so that the protrusions are stuck in the furnace to enhance stability, and then the heating body is supported by the column, and further limited by the extension rod and the side plate, so as to prevent the steel casting from deforming during heating and causing the support to be unstable, and then the heating workpiece is supported by the groove, so as to facilitate the support of the heating workpiece by the above-mentioned steel casting, improve the support stability, and enhance the stability of the structure.

[0017] Second, the utility model introduces hot air through the air inlet hole at the lower end of the sleeve, transports it through the air inlet pipe, and then sprays it out from the air outlet, so that the hot air heats the workpiece, and the hot air is heat-conducted from the air inlet pipe to the heat sink, further dissipates the heat, and heats the workpiece. The inner tube is used to protect the condenser tube, and the condensed water is transported by the condenser tube for heat exchange. The heat is conducted through the inner tube via the heat conducting sheet to achieve rapid heat dissipation, ensure the heat resistance of the steel casting, and increase the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a cross-sectional schematic diagram of the structural heating device of the utility model;

[0020] Figure 3 It is a top view cross-sectional schematic diagram of the structural casing of the utility model;

[0021] Figure 4 It is a three-dimensional schematic diagram of the structural condenser tube of the utility model.

[0022] Among them: 1. Support structure; 101. Ring base; 102. Bump; 103. Column; 104. Extension rod; 105. Side panel; 106. Slot; 2. Heating structure; 201. Sleeve; 202. Heat sink; 203. Air inlet; 204. Air inlet pipe; 205. Air outlet; 206. Heat conducting sheet; 207. Inner tube; 208. Condenser tube; 209. Heat transfer tube. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides the following technical solutions:

[0025] Embodiment 1

[0026] See also Figure 1 , a heat-resistant steel casting specially used for heat treatment, comprising a support structure 1, a heating structure 2 is arranged in the middle of the support structure 1;

[0027] The supporting structure 1 includes an annular base 101, the lower end of which is fixedly connected to a plurality of protrusions 102, the upper end of which is fixedly connected to a column 103, the outer surface of which is fixedly connected to an extension rod 104, the other end of which is fixedly connected to a side plate 105, and the upper end of the column 103 is provided with a plurality of slots 106.

[0028] Through the above technical solution, the annular base 101 is used for support, and a circle of protrusions 102 are set at the lower end of the annular base 101, so that the protrusions 102 are stuck in the furnace to enhance stability, and then the heating body is supported by the column 103, and further limited by the extension rod 104 and the side plate 105, so as to prevent the steel casting from deforming during heating and causing the support to be unstable, and then the heating workpiece is supported by the slot 106, so as to achieve the effect of facilitating the support of the heating workpiece by the above-mentioned steel casting, improving the support stability, and enhancing the stability of the structure.

[0029] Specifically, a plurality of protrusions 102 are arranged around a ring structure, an inclined surface is provided at the lower end of the extension rod 104 , and a double opening is opened on the surface of the extension rod 104 .

[0030] Through the above technical solution, the protrusion 102 is set as a ring structure to improve the structural stability, the lower end of the extension rod 104 is set with an inclined surface to reduce the occupied volume of the supporting part, and the extension rod 104 is avoided to increase ventilation and improve the heat treatment effect.

[0031] Specifically, the side plate 105 is configured as an arc-shaped structure, and the diameters of the plurality of slots 106 decrease sequentially from top to bottom.

[0032] Through the above technical solution, by setting the side plate 105 as an arc-shaped structure, the volume is further reduced, and the diameter of the slot 106 decreases from top to bottom, which is convenient for selection according to the volume of the heating workpiece.

[0033] Embodiment 2

[0034] See also Figure 1-4 On the basis of the first embodiment, it is further obtained that the heating structure 2 includes a sleeve 201, a heat sink 202 is fixedly connected to the upper end of the sleeve 201, an air inlet hole 203 is provided at the bottom of the sleeve 201, an air inlet pipe 204 is provided on the inner side of the sleeve 201, a plurality of air outlet holes 205 are provided on the upper outer surface of the sleeve 201, and filter screens are provided at the air inlet holes 203 and the air outlet holes 205, a heat conducting sheet 206 is fixedly connected to the inside of the sleeve 201, the other end of the heat conducting sheet 206 is fixedly connected to the inner tube 207, and a condenser 208 is provided inside the inner tube 207.

[0035] Through the above technical scheme, hot air is introduced through the air inlet hole 203 at the lower end of the sleeve 201, transported by the air inlet pipe 204, and then ejected from the air outlet 205, so that the hot air heats the workpiece. The hot air is heat-conducted from the air inlet pipe 204 to the heat sink 202, and further dissipates the heat to heat the workpiece. The inner tube 207 is used to protect the condenser 208, and the condenser 208 transports condensed water for heat exchange. Heat is conducted through the inner tube 207 via the heat conducting sheet 206 to achieve rapid heat dissipation, thereby ensuring the heat resistance of the steel casting and improving the service life.

[0036] Specifically, the sleeve 201 is located inside the column 103 and is fixedly connected to the column 103 , and both ends of the air inlet pipe 204 are connected to the air inlet hole 203 and the air outlet hole 205 respectively.

[0037] Through the above technical solution, the column 103 plays a role of fixing and supporting the sleeve 201, and the air inlet pipe 204 is used to transport hot air, so that the hot air enters from the air inlet hole 203, is transmitted through the air inlet pipe 204, and is discharged from the air outlet 205.

[0038] Specifically, the surfaces of the sleeve 201 , the heat conducting sheet 206 and the inner tube 207 are all provided with a hot-dip galvanized layer, and a plurality of heat conducting sheets 206 are provided.

[0039] Through the above technical solution, by providing a hot-dip galvanized layer on the surface of the sleeve 201, the heat conductive sheet 206 and the inner tube 207, the anti-corrosion effect of the steel casting is increased, and the heat conductive sheet 206 is provided in a plurality to improve the heat conduction capacity.

[0040] Specifically, the condenser 208 is configured as a spiral structure, and the water inlet and the water outlet of the condenser 208 penetrate the inner tube 207 and the sleeve 201 and are disposed on the side wall of the annular base 101 .

[0041] Through the above technical solution, the condenser 208 is set to a spiral structure, which increases the contact area with the hot air and increases the heat exchange efficiency.

[0042] Specifically, a heat transfer pipe 209 is fixedly connected to the outer surface of the air intake pipe 204 , and the heat sink 202 is connected to the heat transfer pipe 209 .

[0043] Through the above technical solution, part of the heat of the air intake pipe 204 is transferred to the heat sink 202 through the heat transfer pipe 209 for heat conduction, thereby improving the heat dissipation capacity.

[0044] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these specific embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat-resistant steel casting for heat treatment, comprising a supporting structure (1), characterized in that: A heating structure (2) is provided in the middle of the support structure (1); The support structure (1) comprises an annular base (101), the lower end of the annular base (101) is fixedly connected to a plurality of protrusions (102), the upper end of the annular base (101) is fixedly connected to a column (103), the outer surface of the column (103) is fixedly connected to an extension rod (104), the other end of the extension rod (104) is fixedly connected to a side plate (105), and the upper end of the column (103) is provided with a plurality of slots (106); The heating structure (2) comprises a sleeve (201), the upper end of the sleeve (201) is fixedly connected to a heat sink (202), the bottom of the sleeve (201) is provided with an air inlet hole (203), the inner side of the sleeve (201) is provided with an air inlet pipe (204), the upper outer surface of the sleeve (201) is provided with a plurality of air outlet holes (205), the air inlet hole (203) and the air outlet holes (205) are both provided with filter screens, the interior of the sleeve (201) is fixedly connected to a heat conducting plate (206), the other end of the heat conducting plate (206) is fixedly connected to an inner tube (207), and the interior of the inner tube (207) is provided with a condenser tube (208).

2. A heat-resistant steel casting for heat treatment according to claim 1, characterized in that: A plurality of the protrusions (102) are arranged around a ring structure, an inclined surface is provided at the lower end of the extension rod (104), and a double opening is provided on the surface of the extension rod (104).

3. A heat-resistant steel casting for heat treatment according to claim 1, characterized in that: The side plate (105) is configured as an arc-shaped structure, and the diameters of the plurality of slots (106) decrease sequentially from top to bottom.

4. A heat-resistant steel casting for heat treatment according to claim 1, characterized in that: The sleeve (201) is located inside the column (103) and is fixedly connected to the column (103); both ends of the air inlet pipe (204) are respectively connected to the air inlet hole (203) and the air outlet hole (205).

5. The heat-resistant steel casting for heat treatment according to claim 1, characterized in that: The surfaces of the sleeve (201), the heat conducting sheet (206) and the inner tube (207) are all provided with a hot-dip galvanized layer, and a plurality of the heat conducting sheets (206) are provided.

6. A heat-resistant steel casting for heat treatment according to claim 1, characterized in that: The condenser tube (208) is configured as a spiral structure, and the water inlet and the water outlet of the condenser tube (208) penetrate the inner tube (207) and the sleeve (201) and are arranged on the side wall of the annular base (101).

7. The heat-resistant steel casting for heat treatment according to claim 1, characterized in that: A heat transfer pipe (209) is fixedly connected to the outer surface of the air intake pipe (204), and the heat sink (202) is connected to the heat transfer pipe (209).

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