A reduction gearbox suitable for use in mineral processing classification

Abstract

This utility model relates to the field of gearbox technology and discloses a gearbox suitable for mineral processing and classification, including a gearbox base and a gearbox cover. The gearbox cover is bolted to the gearbox base. Both sides of the bottom of the gearbox base are provided with base plates. Several sets of vertical ribs are provided between the side walls of the gearbox base and the top of the base plates. One end of the gearbox base has an oil dipstick hole, and the wall thickness of the gearbox base below the oil dipstick hole is greater than the wall thickness of the gearbox base above the oil dipstick hole. This utility model can improve the strength of the gearbox, reduce gearbox bottom breakage, and effectively improve the performance and production efficiency of the spiral classifier.

Description

Technical Field

[0001] This utility model relates to the field of gearbox technology, and in particular to a gearbox suitable for mineral processing and grading. Background Technology

[0002] Gearboxes are generally used in low-speed, high-torque transmission equipment. They reduce the speed of electric motors, internal combustion engines, or other high-speed power sources by meshing a small gear on the input shaft with a large gear on the output shaft.

[0003] Spiral classifiers are widely used in mineral processing plants as classification equipment. Currently, our plant uses the 2FLG-1500 high-weir double spiral classifier. The spiral shaft is connected to the motor through a gearbox. During production, the bottom of the gearbox housing is very prone to breakage, resulting in a high failure rate. This requires staff to stop the machine for repair and replacement, which not only incurs high maintenance costs but also significantly impacts production. Utility Model Content

[0004] This invention addresses the shortcomings of existing technologies by developing a gearbox suitable for mineral processing and grading. This invention improves the strength of the gearbox, reduces bottom breakage, and effectively enhances the performance and production efficiency of spiral classifiers.

[0005] The technical solution of this utility model to solve the technical problem is as follows: a gearbox suitable for mineral processing and grading, including a gearbox base and a gearbox cover. The gearbox cover is set on the gearbox base by bolts. The bottom sides of the gearbox base are provided with bottom plates. Several sets of vertical ribs are provided between the side wall of the gearbox base and the top of the bottom plate. One end of the gearbox base is provided with an oil dipstick hole. The thickness of the gearbox base wall below the oil dipstick hole is greater than the thickness of the gearbox base wall above the oil dipstick hole.

[0006] As an optimization, the box base, bottom plate, and vertical ribs are molded as a single piece. This integrated molding ensures connection strength and reduces breakage.

[0007] As an optimization, the spacing between the two sets of base plates is smaller than the internal width of the enclosure. This increases the connection area between the base plate and the bottom of the enclosure, reducing the risk of breakage at the bottom of the enclosure.

[0008] As an optimization, a third shaft is provided between the housing and the cover, with an output gear at one end. The diameter of the third shaft end is 75–89 mm. Increasing the wall thickness of the output gear can solve the problem of gear breakage under high stress.

[0009] As an optimization, the height of the vertical reinforcement bars should be greater than or equal to the height of the lower edge of the dipstick hole. This ensures the connection effect of the vertical reinforcement bars.

[0010] As an optimization, the wall thickness of the housing below the dipstick hole is 7-12mm greater than that above the dipstick hole. This ensures the reliability of the housing and reduces the failure rate.

[0011] As an optimization, the base plate is provided with several sets of mounting holes. By providing mounting holes, the housing can be installed onto the equipment.

[0012] The housing is formed by setting up a base and a cover, which protects the internal reduction gears and drive shafts. The base plate facilitates installation on equipment. The vertical ribs enhance the connection strength between the base and the base plate, preventing breakage. The thickness of the base wall below the dipstick hole is greater than that above the dipstick hole, which strengthens the side wall of the lower half of the base and enhances its crack resistance. Attached Figure Description

[0013] Figure 1 This is a front view of one embodiment of the present invention.

[0014] Figure 2 This is a left view of one embodiment of the present invention.

[0015] In the diagram: 1. Box base; 2. Box cover; 3. Base plate; 4. Vertical rib; 5. Oil dipstick hole; 6. Third shaft; 7. Mounting hole. Detailed Implementation

[0016] To clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0017] Example 1

[0018] Figure 1 and Figure 2 As one embodiment of this utility model, such as Figure 1 and Figure 2 As shown, a gearbox suitable for mineral processing and grading includes a gearbox base 1 and a gearbox cover 2. The gearbox cover 2 is bolted to the gearbox base 1. Both sides of the bottom of the gearbox base 1 are provided with a base plate 3. Several sets of vertical ribs 4 are provided between the side wall of the gearbox base 1 and the top of the base plate 3. One end of the gearbox base 1 is provided with an oil dipstick hole 5. The wall thickness of the gearbox base 1 below the oil dipstick hole 5 is greater than the wall thickness of the gearbox base 1 above the oil dipstick hole 5.

[0019] The housing is formed by setting the housing base 1 and the housing cover 2, which protects the internal reduction gear and drive shaft. The base plate 3 facilitates installation on the equipment. The vertical ribs 4 enhance the connection strength between the housing base 1 and the base plate 3, preventing them from breaking. The wall thickness of the housing base 1 below the dipstick hole 5 is greater than that above the dipstick hole 5, which enhances the strength of the side wall of the lower half of the housing base 1 and improves its crack resistance.

[0020] like Figure 1 and Figure 2As shown, the base 1, bottom plate 3, and vertical ribs 4 are integrally formed. The integrally formed base 1, bottom plate 3, and vertical ribs 4 can ensure connection strength and reduce breakage.

[0021] like Figure 2 As shown, the thickness of the bottom of the base 1 is 28mm, the width of the base plate 3 is 110mm, and the distance between the two sets of base plates 3 is less than the internal width of the base 1. This increases the connection area and connection strength between the base plate 3 and the bottom of the base 1, reducing the risk of breakage at the bottom of the base 1.

[0022] like Figure 2 As shown, a third shaft 6 is provided between the housing 1 and the housing cover 2. An output gear is provided at the end of the third shaft 6. The end diameter of the third shaft 6 is 80mm, and the width of the keyway on the end of the third shaft 6 is 22mm. This increases the wall thickness of the output gear, which can solve the problem of gear breakage under high force and improve the load-bearing capacity.

[0023] like Figure 1 and Figure 2 As shown, the height of vertical rib 4 is greater than or equal to the height of the lower edge of the dipstick hole. This ensures the connection effect of vertical rib 4.

[0024] like Figure 1 As shown, the wall thickness of the housing 1 below the dipstick hole 5 is 10mm greater than the wall thickness of the housing 1 above the dipstick hole 5. This ensures the reliability of the housing 1 and reduces the failure rate.

[0025] like Figure 1 and Figure 2 As shown, the base plate 3 has several sets of mounting holes 7. By providing mounting holes 7, the housing 1 can be installed onto the equipment.

[0026] In use, the base plate 3 is connected to the main body of the spiral classifier via bolts and mounting holes 7. The increased thickness of the bottom of the gearbox increases the connection area between the base plate 3 and the bottom of the gearbox 1, significantly enhancing the connection strength. Furthermore, the upright ribs 4 ensure a stable connection between the base plate 3 and the side wall of the gearbox 1, preventing breakage. This invention improves the strength of the gearbox, reduces bottom breakage, and effectively enhances the performance and production efficiency of the spiral classifier.

[0027] The descriptions of the orientation or relative positional relationships of the structure in this utility model, such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inner", and "outer", are based on the orientation or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the structure referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

Claims

1. A gearbox suitable for mineral processing and classification, comprising a gearbox base (1) and a gearbox cover (2), wherein the gearbox cover (2) is bolted to the gearbox base (1), characterized in that: The bottom of the box base (1) is provided with a base plate (3) on both sides. Several sets of vertical ribs (4) are provided between the side wall of the box base (1) and the top of the base plate (3). One end of the box base (1) is provided with an oil dipstick hole (5). The wall thickness of the box base (1) below the oil dipstick hole (5) is greater than the wall thickness of the box base (1) above the oil dipstick hole (5).

2. The gearbox suitable for mineral processing and classification according to claim 1, characterized in that: The box base (1), the bottom plate (3), and the vertical ribs (4) are formed as a single piece.

3. A gearbox suitable for mineral processing and classification according to claim 2, characterized in that: The distance between the two sets of base plates (3) is less than the internal width of the box base (1).

4. A gearbox suitable for mineral processing and classification according to claim 3, characterized in that: A third shaft (6) is provided between the housing base (1) and the housing cover (2). An output gear is provided at the end of the third shaft (6). The diameter of the end of the third shaft (6) is 75-89 mm.

5. A gearbox suitable for mineral processing and classification according to claim 1, characterized in that: The height of the vertical rib (4) is greater than or equal to the height of the lower edge of the dipstick hole.

6. A gearbox suitable for mineral processing and classification according to claim 5, characterized in that: The wall thickness of the base (1) below the dipstick hole (5) is 7-12 mm greater than that of the base (1) above the dipstick hole (5).

7. A gearbox suitable for mineral processing and classification according to any one of claims 1 to 6, characterized in that: The base plate (3) is provided with several sets of mounting holes (7).

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