Speed reducer special for sealing and stirring with dry well

Abstract

The utility model discloses a speed reducer special for stirring with a dry well seal, which relates to the field of speed reducers and comprises a gear box, an input shaft, an output shaft and a gear set, the input shaft and the output shaft are both arranged inside the gear box, and the gear set is arranged inside the gear box and enables the input shaft and the output shaft to be in transmission connection. An input flange is fixedly arranged at the position, corresponding to the input shaft, of one side of the gearbox, an output flange is fixedly arranged at the position, corresponding to the output shaft, of the other side of the gearbox, a motor is fixedly installed on the input flange, and the output end of the motor is fixedly connected with one end of the input shaft. And a dry well sealing mechanism is arranged between the output shaft and the gearbox. The dry well sealing structure is provided with the dry well sealing structure, the input flange and the output flange, so that the motor and the gearbox are more convenient to install, the installation precision is higher, the requirement of a client for motor model selection is met, and the output flange is more widely installed in the stirring industry, is easy and reliable to install and is suitable for being applied to the stirring industry.

Description

Technical Field

[0001] The utility model relates to the field of speed reducers, in particular to a special speed reducer with dry well seal for stirring. Background Art

[0002] At present, vertical gearbox installation is widely used in the mixing industry. However, the market customers have more and more demands for the delivery of gearboxes with motors. Conventional gearboxes have the following defects and shortcomings:

[0003] 1. The gearbox is usually installed with its own motor, which is inconvenient to install and has low precision;

[0004] 2. The conventional gearbox vertical installation foot size regulations and design cannot meet the customer's bracket requirements.

[0005] Therefore, a special speed reducer with dry well seal for mixing is proposed. Utility Model Content

[0006] In view of the above problems existing in the existing reducers, the present utility model is proposed.

[0007] Therefore, the utility model aims to provide a special reducer with dry well seal for mixing, which solves the problems raised by the background technology.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A special reducer for mixing with dry well seal comprises a gear box, an input shaft, an output shaft and a gear set, wherein the input shaft and the output shaft are both arranged inside the gear box, and the gear set is arranged inside the gear box and transmission-connects the input shaft and the output shaft; an input flange is fixedly provided on one side of the gear box at a position corresponding to the position of the input shaft, and an output flange is fixedly provided on the other side of the gear box at a position corresponding to the position of the output shaft, a motor is fixedly mounted on the input flange, and the output end of the motor is fixedly connected to one end of the input shaft; a dry well seal mechanism is provided between the output shaft and the gear box.

[0010] Preferably, bearings are provided between the input shaft, the output shaft and the gear box.

[0011] Preferably, an oil seal is provided between the input shaft and the input flange, and between the output shaft and the output flange.

[0012] Furthermore, the dry well sealing mechanism includes a dry well cover, a bearing seat is arranged between the output shaft and the gear box, a bearing is arranged between the interior of the bearing seat and the output shaft, the dry well cover is arranged on the side wall of the bearing seat, and an annular baffle is arranged on the side of the dry well cover away from the bearing seat, and the side wall of the gear set is provided with an annular groove matching the annular baffle.

[0013] Preferably, the motor and the input flange are fixedly connected by bolts.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] The utility model is provided with an input flange and an output flange, and the input flange and the output flange are respectively arranged at the positions of the input shaft and the output shaft. The motor can be directly installed on the input flange, so that the gear box can be shipped with the motor installed, and the installation accuracy is high, meeting the actual delivery needs of customers, with a simple structure and low cost; the output flange can be customized according to the customer's bracket design requirements, with simple installation and better stability.

[0016] The utility model provides a dry well cover, and the two sides of the dry well cover are respectively connected to the bearing seat and the gear set, so that a good seal can be achieved between the output shaft and the gear box to avoid oil leakage in the gear box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

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

[0019] Figure 2 For the utility model Figure 1 Bottom view of the output flange;

[0020] Figure 3 For the utility model Figure 1 Enlarged view of part A in the figure.

[0021] Description of reference numerals:

[0022] 1. Gearbox; 2. Input shaft; 3. Output shaft; 4. Gear set; 5. Input flange; 6. Output flange; 7. Motor; 8. Bearing; 9. Oil seal; 10. Dry well cover; 11. Bearing seat; 12. Annular baffle; 13. Annular groove; 14. Bolt. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The utility model embodiment discloses a special reducer with dry well seal for stirring.

[0025] The utility model provides Figure 1-2 The special reducer with dry well seal for mixing shown in the figure comprises a gear box 1, an input shaft 2, an output shaft 3 and a gear set 4. The input shaft 2 and the output shaft 3 are both arranged inside the gear box 1. The gear set 4 is arranged inside the gear box 1 and transmits and connects the input shaft 2 and the output shaft 3. An input flange 5 is fixedly provided on one side of the gear box 1 and corresponds to the position of the input shaft 2. An output flange 6 is fixedly provided on the other side of the gear box 1 and corresponds to the position of the output shaft 3. A motor 7 is fixedly installed on the input flange 5, and the output end of the motor 7 is fixedly connected to one end of the input shaft 2. The motor 7 is connected to the input method The flanges 5 are fixedly connected by bolts 14. After the motor 7 is installed on the gear box 1, the gear box 1 can be shipped with the motor 7 installed, and the installation accuracy is high, meeting the actual delivery needs of customers, with a simple structure and low cost; the output flange 6 can be customized according to the customer's bracket design requirements, with simple installation and better stability; bearings 8 are arranged between the input shaft 2 and the output shaft 3 and the gear box 1, and oil seals 9 are arranged between the input shaft 2 and the input flange 5 and between the output shaft 3 and the output flange 6. The bearings 8 and the oil seals 9 can seal and rotate the input shaft 2 and the output shaft 3 and the gear box 1.

[0026] Finally, in order to achieve the dry well sealing function, such as Figure 1 and 3 As shown, a dry well sealing mechanism is provided between the output shaft 3 and the gear box 1, and the dry well sealing mechanism includes a dry well cover 10, a bearing seat 11 is provided between the output shaft 3 and the gear box 1, a bearing 8 is provided between the inside of the bearing seat 11 and the output shaft 3, the dry well cover 10 is provided on the side wall of the bearing seat 11, and an annular baffle 12 is provided on the side of the dry well cover 10 away from the bearing seat 11, and the side wall of the gear set 4 is provided with an annular groove 13 matched with the annular baffle 12, and the annular baffle 12 can be snap-fitted in the annular groove 13, so that the dry well cover 10 and the gear set 4 are snap-fitted, and the two sides of the dry well cover 10 are respectively connected to the bearing seat 11 and the gear set 4, which can achieve a good seal between the output shaft 3 and the gear box 1 to avoid oil leakage in the gear box 1. The structure here is the same as the principle of a dry well sealing structure for a reducer disclosed in Publication (Announcement) No.: CN219911693U, and can realize the dry well sealing function, but the design of the secondary structure is not the main technical point protected by this application.

[0027] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A special reducer with dry well seal for mixing, comprising a gear box (1), an input shaft (2), an output shaft (3) and a gear set (4), characterized in that: The input shaft (2) and the output shaft (3) are both arranged inside the gear box (1); the gear set (4) is arranged inside the gear box (1) and provides transmission connection between the input shaft (2) and the output shaft (3); An input flange (5) is fixedly provided on one side of the gear box (1) at a position corresponding to the input shaft (2), and an output flange (6) is fixedly provided on the other side of the gear box (1) at a position corresponding to the output shaft (3); a motor (7) is fixedly mounted on the input flange (5), and an output end of the motor (7) is fixedly connected to one end of the input shaft (2); A dry well sealing mechanism is provided between the output shaft (3) and the gear box (1).

2. The special reducer with dry well seal for stirring according to claim 1 is characterized in that: Bearings (8) are provided between the input shaft (2) and the output shaft (3) and the gear box (1).

3. The special reducer with dry well seal for stirring according to claim 1 is characterized in that: Oil seals (9) are provided between the input shaft (2) and the input flange (5), and between the output shaft (3) and the output flange (6).

4. The special reducer with dry well seal for stirring according to claim 1 is characterized in that: The dry well sealing mechanism comprises a dry well cover (10), a bearing seat (11) is arranged between the output shaft (3) and the gear box (1), a bearing (8) is arranged between the interior of the bearing seat (11) and the output shaft (3), the dry well cover (10) is arranged on the side wall of the bearing seat (11), and an annular baffle (12) is arranged on a side of the dry well cover (10) away from the bearing seat (11), and an annular groove (13) matching with the annular baffle (12) is arranged on the side wall of the gear set (4).

5. The special reducer with dry well seal for stirring according to claim 1 is characterized in that: The motor (7) and the input flange (5) are fixedly connected via bolts (14).

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