Steel casting heat treatment device for rail transit

Abstract

The utility model relates to the technical field of rail transit, in particular to a steel casting heat treatment device for rail transit, which comprises a casing, and an inner cavity of the casing comprises an upper heating chamber and a lower cooling chamber. The heating chamber and the cooling chamber are arranged in a communicating mode, an opening and closing assembly for adjusting the opening and closing state between the heating chamber and the cooling chamber is arranged between the heating chamber and the cooling chamber, resistance heating pipes are symmetrically arranged on the two side walls and the top wall of the heating chamber, and an electric push rod is fixedly connected to the center of the top of the machine shell. According to the utility model, the placing space of the steel casting is more flexible, so that the situation of space inadaptability is not easily caused when the steel castings with different specifications are placed, the limitation is not generated in use, in addition, the steel casting does not need to be transferred to another place for cooling treatment after being subjected to heat treatment, and the heat treatment efficiency is improved. Therefore, the whole heat treatment process of the steel casting is simple, convenient and labor-saving, and the machining efficiency can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit technical field, concretely is a rail transit cast steel heat treatment device. BACKGROUND

[0002] Rail transit is an important transportation mode, which covers various forms such as railway, urban rail transit (such as subway, light rail), tram, etc. This transportation mode occupies a core position in the modern city and national transportation system due to its large capacity, speed, safety, environmental protection and other characteristics. Rail transit not only effectively alleviates urban traffic congestion and improves resident travel efficiency, but also promotes regional economic development, reduces air pollution and energy consumption. With the progress of technology, new types of rail transit such as maglev trains and monorail trains are emerging, further enriching the types and application range of rail transit. In general, rail transit plays an indispensable role in modern society, and has a profound impact on improving transportation efficiency, promoting economic development and improving environmental quality.

[0003] Rail transit cast steel is a commonly used material in rail transit equipment and infrastructure. During the processing of cast steel, heat treatment is required, so heat treatment devices are needed. Although traditional heat treatment devices have heat treatment capabilities, they still have some shortcomings, such as fixed placement space for cast steel, which can cause space mismatch when placing cast steel of different specifications, resulting in certain limitations in use. In addition, after heat treatment of the cast steel, it needs to be transferred to another location for cooling treatment, which makes the entire heat treatment process of the cast steel more complicated and laborious, thus greatly reducing the processing efficiency. Therefore, a rail transit cast steel heat treatment device is proposed to solve the above problems. SUMMARY

[0004] The utility model aims at providing a rail transit cast steel heat treatment device, which has flexible placement space for cast steel, so it is not easy to cause space mismatch when placing cast steel of different specifications, thus avoiding limitations in use. In addition, after heat treatment of the cast steel, it does not need to be transferred to another location for cooling treatment, which makes the entire heat treatment process of the cast steel more convenient and labor-saving, thus greatly improving the processing efficiency to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A heat treatment device for cast steel parts used in rail transit includes a housing. The inner cavity of the housing includes a heating chamber located above and a cooling chamber located below. The heating chamber and the cooling chamber are connected and an opening and closing component is provided between the heating chamber and the cooling chamber to adjust their opening and closing state. Resistance heating tubes are symmetrically arranged on the side walls and top wall of the heating chamber. An electric push rod is fixedly connected to the center of the top of the housing, and a placement component is fixedly connected to the output end of the electric push rod. A cooling component is provided on the outside of the cooling chamber.

[0007] Preferably, the opening and closing assembly includes symmetrically arranged pull-out baffles. One end of the pull-out baffles penetrates the side wall of the housing and extends to the connection between the heating chamber and the cooling chamber. A pull-out support plate is fixedly connected to the other end of the pull-out baffles, and a pull-out handle is provided on the outer side of the pull-out support plate.

[0008] Preferably, the placement assembly includes connecting support plates arranged symmetrically at the top and bottom, and connecting side columns are symmetrically and fixedly connected between the two connecting support plates. The front wall of the connecting side columns is provided with a plurality of fixing screw holes arranged longitudinally at equal intervals.

[0009] Preferably, the outer surface of the connecting side column is longitudinally slidably fitted with an adjusting sleeve, and the adjusting sleeves at the same height are fixedly connected to a placement plate, and the top of the placement plate is provided with several placement slots. The adjusting sleeve is provided with a fixing bolt that matches the specification of the fixing screw hole.

[0010] Preferably, the cooling assembly includes a liquid pump disposed at the bottom of one side wall of the housing and a condenser disposed at the bottom of the other side wall of the housing. A liquid guide pipe is provided between the liquid pump and the condenser. Both ends of the liquid guide pipe penetrate the bottom of the side wall of the housing and communicate with the cooling chamber. The two ends of the liquid guide pipe are respectively connected to the adjacent liquid pump and the condenser.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] The utility model discloses a heating chamber can provide heating space for cast steel part, the cooling chamber can provide cooling space for cast steel part through setting, the intercommunication state between heating chamber and cooling chamber can be adjusted according to demand through setting open and close subassembly, so that can be closed between heating chamber and cooling chamber when heating, prevent heat loss too fast and influence heating effect, and can be communicated between heating chamber and cooling chamber when cooling, make cast steel part after heating can conveniently enter cooling chamber and carry out cooling processing, the resistance heating tube can heat heating chamber through setting, so that can carry out heat treatment to cast steel part, the height position of placing subassembly can be adjusted through setting electric push rod, so that can select to enter heating chamber and carry out heating processing or enter cooling chamber and carry out cooling processing according to processing flow, the placing subassembly can not only place cast steel part, and can adjust placing space according to demand, therefore when placing cast steel piece of different specifications, it is difficult to cause space inadaptation situation, so that in use will not produce limitation, the cooling assembly can provide cooling capacity for cooling chamber through setting, makes cast steel piece after heat treatment need not shift to another place and carry out cooling processing, therefore will make the whole heat treatment process of cast steel piece is more simple and easy, so it will greatly improve processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is the rear view of the utility model;

[0015] Figure 3 It is the structure schematic view of the utility model;

[0016] Figure 4 It is the structure schematic view of the placing subassembly of the utility model;

[0017] Figure 5 It is the structure schematic view of the adjusting sleeve of the utility model.

[0018] In the drawing: 1, the casing;2, heating chamber;3, cooling chamber;4, open and close subassembly;401, pull out baffle;402, pull out branch;403, pull handle;5, resistance heating tube;6, electric push rod;7, placing subassembly;701, connecting branch;702, connecting side column;703, fixed screw hole;704, adjusting sleeve;705, placing layer board;706, fixed bolt;8, cooling assembly;801, liquid pump;802, condenser;803, liquid guide pipe. DETAILED DESCRIPTION

[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0020] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0021] In addition, it should be noted that the use of "first", "second" and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and if there is no further declaration, the above words have no special meaning, therefore, it cannot be understood as a limitation on the protection scope of the present application.

[0022] Please refer to Figures 1-5 The present application provides a technical scheme:

[0023] A cast steel heat treatment device for rail transit, comprising a casing 1, the inner cavity of the casing 1 comprises a heating chamber 2 located at the upper part and a cooling chamber 3 located at the lower part, the heating chamber 2 and the cooling chamber 3 are communicated and an opening and closing assembly 4 is arranged between the heating chamber 2 and the cooling chamber 3 to adjust the opening and closing state between the heating chamber 2 and the cooling chamber 3, the two side walls and the top wall of the heating chamber 2 are symmetrically provided with resistance heating pipes 5, the top center of the casing 1 is fixedly connected with an electric push rod 6, and the output end of the electric push rod 6 is fixedly connected with a placing assembly 7, and the outer side of the cooling chamber 3 is provided with a cooling assembly 8.

[0024] The opening and closing assembly 4 comprises symmetrically arranged pull-off baffle plates 401, one end of the pull-off baffle plates 401 penetrates the side wall of the machine shell 1 and extends to the communication position between the heating chamber 2 and the cooling chamber 3, the other end of the pull-off baffle plates 401 is fixedly connected with pull-off supporting plates 402, and the outer side of the pull-off supporting plates 402 is provided with pull-off handles 403, the opening and closing assembly 4 can adjust the communication state between the heating chamber 2 and the cooling chamber 3 according to requirements, so that the heating chamber 2 and the cooling chamber 3 can be closed when heating to prevent the heat from flowing out too fast and affecting the heating effect, and the heating chamber 2 and the cooling chamber 3 can be communicated when cooling, so that the heated cast steel parts can conveniently enter the cooling chamber 3 for cooling treatment; the placing assembly 7 comprises symmetrically arranged upper and lower connecting supporting plates 701, symmetrically and fixedly connected connecting side columns 702 are arranged between the two connecting supporting plates 701, a plurality of fixed screw holes 703 are arranged on the front wall of the connecting side columns 702 in longitudinal equidistant spacing, adjusting sleeves 704 are longitudinally and slidingly sleeved on the outer surface of the connecting side columns 702, placing layer plates 705 are fixedly connected between the adjusting sleeves 704 at the same height, and a plurality of placing grooves are arranged on the top of the placing layer plates 705, fixed bolts 706 matched with the specifications of the fixed screw holes 703 penetrate the adjusting sleeves 704, the placing assembly 7 can not only place the cast steel parts, but also can adjust the placing space according to requirements, so that the space is not easily mismatched when placing cast steel parts of different specifications, thereby not being limited in use; the cooling assembly 8 comprises a liquid pumping pump 801 arranged at the bottom of one side wall of the machine shell 1 and a condenser 802 arranged at the bottom of the other side wall of the machine shell 1, a liquid guide pipe 803 is arranged between the liquid pumping pump 801 and the condenser 802, both ends of the liquid guide pipe 803 penetrate the bottom of the side wall of the machine shell 1 and communicate with the cooling chamber 3, and both ends of the liquid guide pipe 803 communicate with the adjacent liquid pumping pump 801 and condenser 802 respectively, the cooling assembly 8 can provide cooling capacity for the cooling chamber 3, so that the cast steel parts do not need to be transferred to another place for cooling treatment after heat treatment, thereby making the whole heat treatment process of the cast steel parts more simple and labor-saving, thereby greatly improving the processing efficiency.

[0025] Workflow: first, all electrical appliances are powered on and the controller is connected to each electrical appliance, the heating chamber 2 can provide heating space for cast steel, the cooling chamber 3 can provide cooling space for cast steel, the opening and closing assembly 4 can adjust the communication state between the heating chamber 2 and the cooling chamber 3 according to the requirement, so that the heating chamber 2 and the cooling chamber 3 can be closed by pulling the handle 403 to drive the pull-in support plate 402 and the pull-in baffle 401 to approach each other, so as to prevent the heat loss from being too fast to affect the heating effect, and the cooling chamber 3 can be communicated by pulling the handle 403 to drive the pull-in support plate 402 and the pull-in baffle 401 to move away from each other, so that the heated cast steel can enter the cooling chamber 3 for cooling treatment, the resistance heating pipe 5 can heat the heating chamber 2, so as to heat treat the cast steel, the electric push rod 6 can adjust the height position of the placing assembly 7, so as to select heating treatment in the heating chamber 2 or cooling treatment in the cooling chamber 3 according to the processing flow, the placing layer plate 705 in the placing assembly 7 can place the cast steel, and the spacing of the placing layer plate 705 can be adjusted according to the requirement, so that the space is not easily not adapted when placing cast steel of different specifications, so that there is no limitation in use, when adjusting the spacing of the placing layer plate 705, only need to slide the adjusting sleeve 704 on the connecting side column 702 to the appropriate height, align the hole of the fixing bolt 706 on the adjusting sleeve 704 with the corresponding fixing screw hole 703 on the connecting side column 702, and finally rotate the fixing bolt 706 into the fixing screw hole 703, the cooling assembly 8 can provide cooling capacity for the cooling chamber 3, so that the cast steel does not need to be transferred to another place for cooling treatment after heat treatment, so that the whole heat treatment process of the cast steel is relatively simple and labor-saving, thereby the processing efficiency is greatly improved, the cooling chamber 3 is provided with cooling liquid, when the cast steel is heated, the heating chamber 2 is communicated with the cooling chamber 3 through the opening and closing assembly 4, and the electric push rod 6 is controlled to extend, so as to drive the placing assembly 7 and the cast steel to move downward to immerse in the cooling liquid for cooling, the liquid pump 801 is started, the liquid pump 801 can pump the heated cooling liquid into the liquid guide pipe 803 and condense in the condenser 802, and then guide into the cooling chamber 3 for circulation cooling, so as to ensure the cooling effect of the cooling liquid.

[0026] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the existing technology. The machinery, parts and equipment adopt the conventional type in the existing technology, and the circuit connection adopts the conventional connection mode in the existing technology, which will not be described in detail here.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the spirit and scope of the present application, which is defined by the appended claims and their equivalents.

Claims

1. A heat treatment device for cast steel parts for rail transport, comprising a casing (1), characterized in that: The inner cavity of the shell (1) comprises a heating chamber (2) located above and a cooling chamber (3) located below, the heating chamber (2) and the cooling chamber (3) are communicated, and an opening and closing assembly (4) is arranged between the heating chamber (2) and the cooling chamber (3) to adjust the opening and closing state of the heating chamber (2) and the cooling chamber (3), the two side walls and the top wall of the heating chamber (2) are symmetrically provided with resistance heating pipes (5), the top center of the shell (1) is fixedly connected with an electric push rod (6), and the output end of the electric push rod (6) is fixedly connected with a placing assembly (7), and the outer side of the cooling chamber (3) is provided with a cooling assembly (8).

2. The heat treatment device for cast steel parts for rail transit according to claim 1, characterized in that: The opening and closing assembly (4) comprises symmetrically arranged pull-out baffles (401), one end of the pull-out baffle (401) penetrates the side wall of the shell (1) and extends to the communication position of the heating chamber (2) and the cooling chamber (3), the other end of the pull-out baffle (401) is fixedly connected with a pull-out support plate (402), and the outer side of the pull-out support plate (402) is provided with a pull-out handle (403).

3. The heat treatment device for cast steel parts for rail transit according to claim 1, characterized in that: The placing assembly (7) comprises symmetrically arranged connection support plates (701) arranged above and below, symmetrically and fixedly connected connection side columns (702) between the two connection support plates (701), and a plurality of fixed screw holes (703) are arranged on the front wall of the connection side column (702) in longitudinal equidistant spacing.

4. The heat treatment device for cast steel parts of rail transit according to claim 3, characterized in that: An adjusting sleeve (704) is longitudinally and slidingly arranged on the outer surface of the connection side column (702), the adjusting sleeves (704) at the same height are fixedly connected with a placing layer plate (705), the top of the placing layer plate (705) is provided with a plurality of placing grooves, and the adjusting sleeve (704) penetrates a fixed bolt (706) matched with the specification of the fixed screw hole (703).

5. The heat treatment device for cast steel parts for rail transit according to claim 1, characterized in that: The cooling assembly (8) comprises a liquid pumping pump (801) arranged at the bottom of one side wall of the shell (1) and a condenser (802) arranged at the bottom of the other side wall of the shell (1), a liquid guide pipe (803) is arranged between the liquid pumping pump (801) and the condenser (802), both ends of the liquid guide pipe (803) penetrate the bottom of the side wall of the shell (1) and are communicated with the cooling chamber (3), and both ends of the liquid guide pipe (803) are communicated with the adjacent liquid pumping pump (801) and condenser (802) respectively.

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