Cooling device for gearbox shell casting

Abstract

The utility model relates to the technical field of casting, and discloses a gearbox casing casting cooling device which comprises a box body, a supporting frame is arranged in the box body, a fixing plate is fixedly connected between the supporting frame and the inner wall of the box body, a cavity is formed in the supporting frame, a first water conveying pipe is arranged in the cavity, and a second water conveying pipe is arranged in the cavity. And one end of the first water conveying pipe is provided with a T-shaped connecting pipe in a communicating mode, and the T-shaped connecting pipe penetrates through the supporting frame and one side of the box body correspondingly. According to the cooling device for gearbox shell casting, spraying cooling can be comprehensively conducted on a gearbox shell, the cooling efficiency is improved, and the phenomenon that due to uneven cooling, the gearbox shell deforms is avoided; the problems that most of existing gearbox shells are cooled in a water-cooling spraying mode, the surfaces of the gearbox shells are difficult to cool comprehensively during spraying, the gearbox shells are difficult to cool quickly, the temperature is uneven, the gearbox shells are prone to deformation, and the production quality of the gearbox shells is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting, in particular to a cooling device for casting a gearbox housing. Background Art

[0002] The gearbox housing is a housing structure for installing the transmission mechanism and its accessories of the transmission. According to the different structural forms of the transmission, the transmission housing is divided into a three-axis type and a two-axis type. Generally, the engine is supported on the frame through the cylinder block and the flywheel housing or the elastic support (also known as the mount) on the gearbox housing. When casting the gearbox housing, a cooling device is required to improve the cooling efficiency.

[0003] Most of the existing gearbox housings are cooled by water spray. It is difficult to cool the surface of the gearbox housing comprehensively during spraying, resulting in difficulty in quickly cooling down the gearbox housing, uneven temperature, and easy deformation of the gearbox housing, thus affecting the production quality of the gearbox housing. For this reason, we propose a cooling device for casting a gearbox housing. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a cooling device for casting a gearbox housing, which solves the problems in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A cooling device for casting a gearbox housing, including a box body. A support frame is arranged inside the box body. A fixing plate is fixedly connected between the support frame and the inner wall of the box body. A cavity is opened inside the support frame. A first water delivery pipe is arranged inside the cavity. One end of the first water delivery pipe is communicated with a T-shaped connecting pipe. The T-shaped connecting pipe respectively penetrates through the support frame and one side of the box body. Nozzles are communicated with the outer wall of the first water delivery pipe. The nozzles penetrate through the inner side of the support frame. A fixing rod is fixedly installed at the top end of the inner wall of the box body. A hollow plate is fixedly installed at the bottom end of the fixing rod. Nozzles are communicated with the bottom end of the hollow plate. A second water delivery pipe is communicated with one side of the hollow plate. One end of the second water delivery pipe penetrates through the top end of the box body and is communicated with the T-shaped connecting pipe. A grid opening is penetrated through the bottom end of the support frame. A water outlet pipe is communicated with one side of the box body near the bottom end.

[0006] Preferably, the number of the first water delivery pipes is several, and the shape of the first water delivery pipe is U-shaped.

[0007] Preferably, an exhaust fan is arranged above the hollow plate. The exhaust fan penetrates through the top end of the box body. By arranging the exhaust fan, the steam generated during the temperature reduction of the gearbox housing inside the box body can be discharged to ensure the stable air pressure inside the box body.

[0008] Preferably, a support frame is slidably connected to the inner bottom end of the support box. There are two support frames. By providing the support frames, it is convenient for personnel to place the gearbox housing on the support box by forklift.

[0009] Preferably, a chute is provided at the inner bottom end of the support box. The support frame is slidably connected to the chute. A limiting rod is fixedly installed on the inner wall of the chute. A rod hole is provided near the bottom end of the support frame. The limiting rod movably penetrates through the rod hole. By providing the chute and the limiting rod, it is convenient for personnel to adjust the position of the support frame, so as to support gearbox housings of different specifications.

[0010] Preferably, a box door is hinged to the front of the box body through a hinge, and a support block is fixedly installed at the bottom end of the box body. By providing the support block, it can play a certain supporting role for the box body.

[0011] The utility model provides a cooling device for casting a gearbox housing. The cooling device for casting a gearbox housing has the following beneficial effects:

[0012] (1) The cooling device for casting a gearbox housing can comprehensively spray and cool the gearbox housing, improve the cooling efficiency, and avoid the phenomenon of uneven cooling, resulting in deformation of the gearbox housing. It solves the problem that most of the existing gearbox housings are cooled by water-cooled spraying. During spraying, it is difficult to cool the surface of the gearbox housing comprehensively, resulting in difficult and slow cooling and temperature unevenness of the gearbox housing, which easily causes deformation of the gearbox housing, thus affecting the production quality of the gearbox housing.

[0013] (2) The cooling device for casting a gearbox housing is provided with support frames, which is convenient for personnel to place the gearbox housing on the support box by forklift. And by providing the chute and the limiting rod, it is convenient for personnel to adjust the position of the support frame, so as to support gearbox housings of different specifications. The structure is simple and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 is a schematic diagram of the front sectional structure of the utility model;

[0016] Figure 3 is a schematic diagram of the support box structure of the utility model;

[0017] Figure 4 is the utility model Figure 3 the enlarged structure diagram of part A in.

[0018] In the figure: 1. Box body; 2. Support frame; 3. Fixed plate; 4. Cavity; 5. T-shaped connecting pipe; 6. First water delivery pipe; 7. First spray head; 8. Mesh opening; 9. Second water delivery pipe; 10. Hollow plate; 11. Fixed rod; 12. Second spray head; 13. Exhaust fan; 14. Support frame; 15. Chute; 16. Limit rod; 17. Rod hole; 18. Water outlet pipe; 19. Box door; 20. Support block. Detailed implementation mode

[0019] The following further describes in detail the implementation mode of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0020] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0022] Such as Figures 1-4As shown in the figure, the utility model provides a technical solution: a cooling device for casting a transmission housing, which includes a box body 1. Inside the box body 1, there is a support frame 2. A fixing plate 3 is fixedly connected between the support frame 2 and the inner wall of the box body 1. A cavity 4 is provided inside the support frame 2. Inside the cavity 4, there is a first water delivery pipe 6. One end of the first water delivery pipe 6 is communicated with a T-shaped connecting pipe. The T-shaped connecting pipe 5 penetrates through the support frame 2 and one side of the box body 1 respectively. The outer wall of the first water delivery pipe 6 is communicated with a first nozzle 7. The first nozzle 7 penetrates through the inner side of the support frame 2. At the top end of the inner wall of the box body 1, a fixing rod 11 is fixedly installed. At the bottom end of the fixing rod 11, a hollow plate 10 is fixedly installed. At the bottom end of the hollow plate 10, a second nozzle 12 is communicated. On one side of the hollow plate 10, a second water delivery pipe 9 is communicated. One end of the second water delivery pipe 9 penetrates through the top end of the box body 1 and is communicated with the T-shaped connecting pipe 5. A grid opening 8 is provided through the bottom end of the support frame 2. A water outlet pipe 18 is communicated with one side of the box body 1 near the bottom end.

[0023] Specifically, in the above technical solution, when the cooling device for casting the transmission housing is in use, the box door 19 is opened, and then the transmission housing to be cooled is placed on the support frame 14. Then, cooling water is conveyed into the T-shaped connecting pipe 5. A part of the cooling water is conveyed into the first water delivery pipe 6 and then sprayed onto three sides of the transmission housing through the first nozzles 7 respectively. Another part of the cooling water will be conveyed into the hollow plate 10 through the second water delivery pipe 9 and then sprayed onto the top surface of the transmission housing through the second nozzles 12. Thus, the transmission housing can be comprehensively sprayed and cooled, improving the cooling efficiency and avoiding the phenomenon of uneven cooling, which may cause the transmission housing to deform. This solves the problem that most of the existing transmission housings are cooled by water-cooled spraying. During spraying, it is difficult to cool the surface of the transmission housing comprehensively, resulting in difficulty in quickly cooling down the transmission housing, uneven temperature, and easy deformation of the transmission housing, thus affecting the production quality of the transmission housing.

[0024] Furthermore, the number of the first water delivery pipes 6 is several, and the shape of the first water delivery pipe 6 is U-shaped.

[0025] Furthermore, an exhaust fan 13 is arranged above the hollow plate 10, and the exhaust fan 13 penetrates through the top end of the box body 1;

[0026] Among them, by arranging the exhaust fan 13, the steam generated during the cooling of the transmission housing inside the box body 1 can be discharged, which is beneficial to rapid cooling.

[0027] Furthermore, the inner bottom end of the support frame 2 is slidably connected with a support frame 14, and the number of the support frames 14 is two;

[0028] Among them, by arranging the support frame 14, it is convenient for personnel to place the transmission housing on the support frame 2 by forklift.

[0029] Further, a chute 15 is formed at the inner bottom end of the support frame 2, and the support bracket 14 is slidably connected to the chute 15. A limiting rod 16 is fixedly installed on the inner wall of the chute 15. A rod hole 17 is formed near the bottom end of the support bracket 14, and the limiting rod 16 movably penetrates through the rod hole 17;

[0030] Among them, by providing the chute 15 and the limiting rod 16, it is convenient for personnel to adjust the position of the support bracket 14, so as to support gearbox housings of different specifications.

[0031] Further, a box door 19 is hinged to the front of the box body 1 through a hinge, and a support block 20 is fixedly installed at the bottom end of the box body 1;

[0032] Among them, by providing the support block 20, a certain supporting effect can be exerted on the box body 1.

[0033] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain the principles of the present invention and its practical applications, and to enable those of ordinary skill in the art to understand the present invention so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A cooling device for gearbox casing casting, comprising a casing (1), characterized in that: A support frame (2) is arranged inside the box body (1), a fixing plate (3) is fixedly connected between the support frame (2) and the inner wall of the box body (1), a cavity (4) is opened inside the support frame (2), a water delivery pipe (6) is arranged inside the cavity (4), one end of the water delivery pipe (6) is connected to a T-shaped connecting pipe, the T-shaped connecting pipe (5) passes through the support frame (2) and one side of the box body (1), the outer wall of the water delivery pipe (6) is connected to a nozzle (7), and the nozzle (7) passes through the inner side of the support frame (2). A fixing rod (11) is fixedly installed on the top of the inner wall of the box body (1), a hollow plate (10) is fixedly installed on the bottom of the fixing rod (11), a second European nozzle (12) is connected to the bottom of the hollow plate (10), a second water pipe (9) is connected to one side of the hollow plate (10), one end of the second water pipe (9) passes through the top of the box body (1) and is connected to the T-shaped connecting pipe (5), a grid opening (8) is opened at the bottom of the support frame (2), and a water outlet pipe (18) is connected to one side of the box body (1) near the bottom.

2. A gearbox casing casting cooling device according to claim 1, characterized in that: The number of the water pipes 1 (6) is a plurality, and the shape of the water pipes 1 (6) is U-shaped.

3. A gearbox casing casting cooling device according to claim 1, characterized in that: An exhaust fan (13) is arranged above the hollow plate (10), and the exhaust fan (13) passes through the top of the box body (1).

4. A gearbox casing casting cooling device according to claim 1, characterized in that: A support frame (14) is slidably connected to the inner bottom end of the support frame (2), and the number of the support frames (14) is two.

5. A gearbox casing casting cooling device according to claim 4, characterized in that: A slide groove (15) is provided at the inner bottom end of the support frame (2), the support frame (14) is slidably connected to the slide groove (15), a limit rod (16) is fixedly installed on the inner wall of the slide groove (15), a rod hole (17) is provided near the bottom end of the support frame (14), and the limit rod (16) movably passes through the rod hole (17).

6. A gearbox casing casting cooling device according to claim 1, characterized in that: The front of the box body (1) is hinged with a box door (19) via a hinge, and the bottom end of the box body (1) is fixedly mounted with a support block (20).

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