Dual-output hardened tooth surface speed reducer for mill

Abstract

The utility model discloses a double output hard tooth surface speed reducer for mill relates to speed reducer technical field, including mounting case and mounting cover, the mounting case inside is provided with first transmission shaft, second transmission shaft, third transmission shaft and fourth transmission shaft in proper order, first transmission gear is fixed the outside of first transmission shaft, and fourth transmission gear is fixed the outside of second transmission shaft. A second duplicate gear is fixedly installed on the outer side of the second transmission shaft, the first transmission gear is meshed with the second duplicate gear, and a third transmission gear is fixedly installed on the outer side of one end of the third transmission shaft. According to the double-output hard tooth surface speed reducer, the first transmission shaft is driven to rotate, the third transmission shaft and the fourth transmission shaft respectively drive two grinding rollers of the grinding machine to rotate under the transmission of the gear, the grinding machine can be driven to work only by using the single double-output hard tooth surface speed reducer for the grinding machine, and the equipment cost of the grinding machine is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a double-output hardened tooth surface reducer for a grinding mill. Background Art

[0002] Reducer manufacturers will make improvements based on the requirements of the driving equipment, use environment and work tasks, and customize specific models of reducers to meet user needs. When driving a crushing grinder, a special mill reducer is required to drive the grinding roller for rotational grinding.

[0003] For example, Chinese patent publication number CN106051067B discloses a planetary transmission reducer for a tube mill, which includes a rotating housing and a fixed housing. The fixed housing is provided with a central shaft, and the rotating housing is provided with a planetary transmission component. The sun gear in the planetary transmission component inputs and rotates to drive the inner ring gear to rotate and output. The rotating housing is connected to the tube mill.

[0004] The existing reducer for the grinding mill can only drive a single grinding roller to work. When the grinding mill adopts double grinding rollers for grinding, two reducers for the grinding mill are required to drive the grinding mill to work, thereby increasing the equipment cost of the grinding mill. Summary of the Invention

[0005] The purpose of the utility model is to solve the problem in the prior art that when a grinder adopts double grinding rollers for grinding, two grinder reducers are needed to drive the grinder to work, thereby increasing the equipment cost of the grinder, and a dual-output hard-tooth surface reducer for a grinder is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a dual-output hard-tooth surface reducer for a grinding mill, comprising an installation box and an installation cover, wherein a No. 1 transmission shaft, a No. 2 transmission shaft, a No. 3 transmission shaft and a No. 4 transmission shaft are sequentially arranged inside the installation box, a No. 1 transmission gear is fixedly installed on the outer side of the No. 1 transmission shaft, a No. 2 duplex gear is fixedly installed on the outer side of the No. 2 transmission shaft, the No. 1 transmission gear and the No. 2 duplex gear are meshed with each other, a No. 3 transmission gear is fixedly installed on the outer side of one end of the No. 3 transmission shaft, the No. 3 transmission gear and the No. 2 duplex gear are meshed with each other, a No. 3 high-hardness transmission gear is fixedly installed on the outer side of the other end of the No. 3 transmission shaft, a No. 4 high-hardness transmission gear is fixedly installed on the outer side of the No. 4 transmission shaft, and the No. 4 high-hardness transmission gear and the No. 3 high-hardness transmission gear are meshed with each other.

[0007] Preferably, a plurality of No. 1 mounting threaded holes are provided on the edge of the top surface of the mounting box.

[0008] Preferably, a plurality of No. 2 mounting threaded holes are provided at the edge of the bottom surface of the mounting cover, and a fixing bolt is threadedly connected to the interior of the plurality of No. 2 mounting threaded holes, and one end of the fixing bolt is threadedly connected to the interior of the No. 1 mounting threaded hole.

[0009] Preferably, an observation window is provided on the top surface of the mounting cover.

[0010] Preferably, fixing plates are fixedly installed on both sides of the installation box.

[0011] Preferably, fixing holes are symmetrically provided at both ends of the fixing plate.

[0012] Preferably, a plurality of rope fixing rods are fixedly installed on the outer side of the installation cover.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] 1. In the present invention, the No. 1 transmission shaft is driven to rotate, and the No. 3 transmission shaft and the No. 4 transmission shaft respectively drive the two grinding rollers of the grinder to rotate under the transmission of the gear. Only a single double-output hard-tooth surface reducer is required to drive the grinder to work, thereby reducing the equipment cost of the grinder.

[0015] 2. In the present invention, by passing the rope on the crane through and winding it around the outside of the rope fixing rod, rotating and removing the fixing bolts, and lifting the installation cover, it is convenient for maintenance personnel to inspect and repair the components inside the reducer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a three-dimensional structural diagram of a dual-output hardened tooth surface reducer for a grinding mill;

[0017] Figure 2 The utility model provides a schematic diagram of the internal structure of a dual-output hardened tooth surface reducer for a grinding mill;

[0018] Figure 3 The utility model provides a schematic diagram of the connection relationship between the third high-hardness transmission gear and the fourth high-hardness transmission gear in a dual-output hardened tooth surface reducer for a grinding mill;

[0019] Figure 4 The utility model provides a three-dimensional structural schematic diagram of a mounting cover in a dual-output hardened tooth surface reducer for a grinding mill.

[0020] Legend: 1. Installation box; 11. Transmission shaft No. 1; 111. Transmission gear No. 1; 12. Transmission shaft No. 2; 121. Duplex gear No. 2; 13. Transmission shaft No. 3; 131. Transmission gear No. 3; 132. High-hardness transmission gear No. 3; 14. Transmission shaft No. 4; 141. High-hardness transmission gear No. 4; 15. Mounting threaded hole No. 1; 16. Fixing plate; 161. Fixing hole; 2. Installation cover; 21. Mounting threaded hole No. 2; 22. Fixing bolt; 23. Observation window; 24. Rope fixing rod. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1: Figure 1 - Figure 3 As shown, the utility model provides a dual-output hardened tooth surface reducer for a grinding mill, comprising an installation box 1 and an installation cover 2. A first transmission shaft 11, a second transmission shaft 12, a third transmission shaft 13 and a fourth transmission shaft 14 are sequentially arranged inside the installation box 1. A first transmission gear 111 is fixedly installed on the outer side of the No. 1 transmission shaft 11, a second double gear 121 is fixedly installed on the outer side of the No. 2 transmission shaft 12, the No. 1 transmission gear 111 and the No. 2 double gear 121 are meshed with each other, a No. 3 transmission gear 131 is fixedly installed on the outer side of one end of the No. 3 transmission shaft 13, the No. 3 transmission gear 131 and the No. 2 double gear 121 are meshed with each other, a No. 3 high-hardness transmission gear 132 is fixedly installed on the outer side of the other end of the No. 3 transmission shaft 13, a No. 4 high-hardness transmission gear 141 is fixedly installed on the outer side of the No. 4 transmission shaft 14, the No. 4 high-hardness transmission gear 141 and the No. 3 high-hardness transmission gear 132 are meshed with each other, and fixing holes 161 are symmetrically provided at both ends of the fixing plate 16.

[0024] The following is a detailed description of the specific settings and functions of this embodiment. The driving motor drives the No. 1 transmission shaft 11 to rotate, the No. 1 transmission shaft 11 drives the No. 1 transmission gear 111 to rotate, the No. 2 double gear 121 rotates under the drive of the No. 1 transmission gear 111, the No. 2 double gear 121 drives the No. 3 transmission gear 131 to rotate, the No. 3 transmission shaft 13 rotates, the No. 3 transmission shaft 13 drives the No. 3 high-hardness transmission gear 132 to rotate, the No. 3 high-hardness transmission gear 132 and the No. 4 high-hardness transmission gear 132 rotate. The moving gears 141 mesh with each other, thereby driving the No. 4 high-hardness transmission gear 141 to rotate, and finally driving the No. 4 transmission shaft 14 to rotate. The No. 3 transmission shaft 13 and the No. 4 transmission shaft 14 respectively drive the two grinding rollers of the grinder to rotate. Only a single dual-output hardened tooth surface reducer for the grinder is required to drive the grinder to work, reducing the equipment cost of the grinder. The hardness of the No. 3 high-hardness transmission gear 132 and the No. 4 high-hardness transmission gear 141 is high, making their tooth surfaces strong and durable, thereby extending the working life of the dual-output hardened tooth surface reducer for the grinder.

[0025] Example 2: Figure 1 - Figure 4 As shown, it includes an installation box 1 and an installation cover 2. The interior of the installation box 1 is sequentially provided with a No. 1 transmission shaft 11, a No. 2 transmission shaft 12, a No. 3 transmission shaft 13 and a No. 4 transmission shaft 14. The No. 1 transmission shaft 11 is fixedly installed on the outside of the No. 1 transmission shaft 11, and the No. 2 transmission shaft 12 is fixedly installed on the outside of the No. 2 transmission shaft 12. The No. 1 transmission gear 111 and the No. 2 double gear 121 are meshed with each other. The No. 3 transmission gear 131 is fixedly installed on the outside of one end of the No. 3 transmission shaft 13, and the No. 3 transmission gear 131 and the No. 2 double gear 121 are meshed with each other. The No. 3 transmission shaft 13 is fixedly installed on the outside of the other end of the No. 3 transmission shaft 13 with a No. 3 high-hardness transmission gear 132. The No. 4 transmission shaft A No. 4 high-hardness transmission gear 141 is fixedly installed on the outer side of 14, and the No. 4 high-hardness transmission gear 141 is meshed with the No. 3 high-hardness transmission gear 132. A number of No. 1 mounting threaded holes 15 are provided at the edge of the top surface of the mounting box 1, and a number of No. 2 mounting threaded holes 21 are provided at the edge of the bottom surface of the mounting cover 2. The interiors of the several No. 2 mounting threaded holes 21 are respectively threadedly connected with fixing bolts 22, and one end of the fixing bolts 22 is threadedly connected to the interior of the No. 1 mounting threaded hole 15. An observation window 23 is provided on the top surface of the mounting cover 2, and fixing plates 16 are fixedly installed on both sides of the mounting box 1. A number of rope fixing rods 24 are fixedly installed on the outer side of the mounting cover 2.

[0026] The effect achieved by the entire embodiment is that when the mill is working with a dual-output hard-toothed surface reducer, the working conditions inside the reducer can be observed through the observation window 23; when it is necessary to inspect and repair the components inside the reducer, the rope on the crane is passed through and wrapped around the outside of the rope fixing rod 24, the fixing bolt 22 is rotated to remove it, and the mounting cover 2 is lifted, so that maintenance personnel can easily inspect the components inside the reducer.

[0027] The use method and working principle of this device are as follows: the driving motor drives the No. 1 transmission shaft 11 to rotate, the No. 1 transmission shaft 11 drives the No. 1 transmission gear 111 to rotate, the No. 2 double gear 121 rotates under the drive of the No. 1 transmission gear 111, the No. 2 double gear 121 drives the No. 3 transmission gear 131 to rotate, the No. 3 transmission shaft 13 rotates, the No. 3 transmission shaft 13 drives the No. 3 high-hardness transmission gear 132 to rotate, the No. 3 high-hardness transmission gear 132 and the No. 4 high-hardness transmission gear 141 mesh with each other, thereby driving The fourth high-hardness transmission gear 141 is driven to rotate, which eventually drives the fourth transmission shaft 14 to rotate, and the third transmission shaft 13 and the fourth transmission shaft 14 respectively drive the two grinding rollers of the grinder to rotate; when the grinder is working with a dual-output hard-toothed surface reducer, the working condition inside the reducer can be observed through the observation window 23; when it is necessary to inspect and repair the internal components of the reducer, the rope on the crane is passed through and wrapped around the outside of the rope fixing rod 24, the fixing bolt 22 is rotated to remove the fixing bolt 22, and the installation cover 2 is lifted to facilitate maintenance personnel to inspect the internal components of the reducer.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A dual-output hardened tooth surface reducer for a grinding mill, comprising a mounting box (1) and a mounting cover (2), characterized in that: The interior of the installation box (1) is provided with a No. 1 transmission shaft (11), a No. 2 transmission shaft (12), a No. 3 transmission shaft (13) and a No. 4 transmission shaft (14) in sequence. The No. 1 transmission shaft (11) is fixedly installed with a No. 1 transmission gear (111) on the outside, the No. 2 transmission shaft (12) is fixedly installed with a No. 2 double gear (121) on the outside, the No. 1 transmission gear (111) and the No. 2 double gear (121) are meshed with each other, the No. 3 transmission gear (131) is fixedly installed with the outside of one end of the No. 3 transmission shaft (13), the No. 3 transmission gear (131) and the No. 2 double gear (121) are meshed with each other, the No. 3 transmission shaft (13) is fixedly installed with a No. 3 high-hardness transmission gear (132) on the outside of the other end of the No. 3 transmission shaft (13), the No. 4 high-hardness transmission gear (141) is fixedly installed with the outside of the No. 4 transmission shaft (14), the No. 4 high-hardness transmission gear (141) and the No. 3 high-hardness transmission gear (132) are meshed with each other.

2. The dual-output hardened tooth surface reducer for a grinding mill according to claim 1, characterized in that: A plurality of No. 1 mounting threaded holes (15) are provided at the edge of the top surface of the mounting box (1).

3. The dual-output hardened tooth surface reducer for a grinding mill according to claim 2, characterized in that: A plurality of No. 2 mounting threaded holes (21) are provided at the edge of the bottom surface of the mounting cover (2), and a fixing bolt (22) is threadedly connected to the interior of the plurality of No. 2 mounting threaded holes (21), and one end of the fixing bolt (22) is threadedly connected to the interior of the No. 1 mounting threaded hole (15).

4. The dual-output hardened tooth surface reducer for a grinding mill according to claim 1, characterized in that: An observation window (23) is provided on the top surface of the mounting cover (2).

5. The dual-output hardened tooth surface reducer for a grinding mill according to claim 1, characterized in that: Fixed plates (16) are fixedly mounted on both sides of the installation box (1).

6. The dual-output hardened tooth surface reducer for a grinding mill according to claim 5, characterized in that: Fixing holes (161) are symmetrically provided at both ends of the fixing plate (16).

7. The dual-output hardened tooth surface reducer for a grinding mill according to claim 1, characterized in that: A plurality of rope fixing rods (24) are fixedly mounted on the outer side of the mounting cover (2).

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