Gear moving structure between synchronous motor and vertical mill speed reducer

Abstract

The utility model discloses a gear moving structure between a synchronous motor and a vertical mill speed reducer, and relates to the technical field related to vertical mills. The device comprises a vertical mill millstone, right-angle drivers, supporting blocks and a synchronous motor, the right-angle drivers are symmetrically arranged below the vertical mill millstone, a screw is fixed to the center of the bottom of each right-angle driver, the supporting blocks are in threaded connection with the peripheral side of each screw, and the synchronous motor is arranged on the side, away from the center of the vertical mill millstone, of one right-angle driver. A motor shaft is fixed to the output end of the synchronous motor, a movable strip is inserted into the motor shaft in the axial direction, and a movable sleeve is fixed to the end, away from the motor shaft, of the movable strip. The vertical mill millstone, the right-angle driver, the supporting block and the synchronous motor are arranged, so that the problems that a pinion and an inner gear ring on the right-angle driver are inconvenient to separate due to transmission between the motor and the vertical mill, and the operation is inconvenient due to the fact that the step of dismounting the motor needs to be added when the right-angle driver is replaced are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to vertical mills, and particularly relates to a gear structure between a synchronous motor and a vertical mill reducer. Background Art

[0002] Vertical mill is a kind of grinding equipment widely used in building materials industry. It is mainly used for grinding, drying and sorting cement raw materials, clinker and slag. During the working process, the vertical mill needs to be driven by the power generated by the motor. However, the size of the vertical mill is usually large. During the working process, the motor required to drive the work directly by the motor is large in size and the cost of the motor is high. Therefore, the use of synchronous motors and changing the transmission ratio through the gear structure can greatly reduce the motor specifications required for the vertical mill to be driven, reduce the motor cost, and obtain a larger torque to ensure smooth operation. However, it still has the following disadvantages in actual use:

[0003] When the motor and the vertical mill are transmitting, the right-angle transmission is used to change the direction of rotation of the motor power and work is carried out directly. However, when a fault occurs inside the right-angle transmission and it needs to be disassembled for maintenance, the pinion gear on it and the inner gear ring are kept in meshing. When disassembling during operation, the right-angle transmission needs to be disassembled as a whole before the pinion gear and the inner gear ring can be separated, which is inconvenient to separate.

[0004] When the motor is transmitting to the vertical mill, the output end of the motor and the input end of the right-angle transmission need to be connected together through a coupling. When the right-angle transmission is replaced, the output end of the motor and the right-angle transmission need to be separated through the coupling before the motor is moved. However, the motor is usually installed on a work surface. During the operation, the step of disassembling the motor is added, and it is not convenient to replace the right-angle transmission during use. Utility Model Content

[0005] The purpose of the utility model is to provide a gear structure between a synchronous motor and a vertical mill reducer. By arranging a vertical mill grinding disc, a right-angle transmission device, a support block and a synchronous motor, the utility model solves the problem that it is inconvenient to separate the small gear and the inner gear ring on the right-angle transmission device during transmission between the motor and the vertical mill, and that replacing the right-angle transmission device requires the additional step of disassembling the motor, which causes inconvenience in operation.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a gear structure between a synchronous motor and a vertical mill reducer, comprising a vertical mill grinding disc, a right-angle transmission, a support block and a synchronous motor, wherein a right-angle transmission is symmetrically arranged below the vertical mill grinding disc, a screw is fixed at the bottom center of the right-angle transmission, and the support block is threadedly connected to the circumferential side of the screw, and a synchronous motor is arranged on a side of the right-angle transmission away from the center of the vertical mill grinding disc, a motor shaft is fixed at the output end of the synchronous motor, a movable bar is inserted in the motor shaft along the axial direction, and a movable sleeve is fixed at the end of the movable bar away from the motor shaft. When working, the vertical mill grinding disc is driven to rotate, so that the vertical mill is driven to work, and the right-angle transmission is driven to work by the power generated by the synchronous motor, and the power generated by the synchronous motor is changed by ninety degrees through the right-angle transmission to drive the vertical mill grinding disc to rotate, and when the right-angle transmission is rotated by the screw, the right-angle transmission is driven to change height, so that the maintenance of the right-angle transmission is convenient.

[0008] Furthermore, a fixed plate is fixed at the upper edge of the peripheral side of the vertical mill grinding disc, an inner gear ring is fixed at the edge of the bottom end of the fixed plate close to the outer peripheral surface, a grinding disc positioning shaft is fixed at the center of the bottom end of the vertical mill grinding disc, and the vertical mill grinding disc is connected to the inner gear ring through the fixed plate, and meshes with the pinion gear through the inner gear ring.

[0009] Furthermore, an output shaft is fixed to the output end of the right-angle transmission, a pinion is fixed to the top of the output shaft, the pinion is arranged between the inner gear ring and the vertical mill grinding disc, and meshes with the inner gear ring. The power transmitted by the right-angle transmission drives the output shaft to rotate. When the output shaft rotates, the pinion is driven to rotate, and when the pinion rotates, the inner gear ring is driven to rotate.

[0010] Furthermore, a rotating frame is fixed to the bottom end of the screw rod, and the rotating frame is arranged below the support block. Insert rods are fixed to the bottom of the right-angle transmission devices on both sides of the screw rod, and the insert rods are inserted into the support block. A support frame is fixed to the bottom of the support block. By rotating the rotating frame, the screw rod is threadedly connected to the support block to drive the right-angle transmission device to descend.

[0011] Furthermore, an input shaft is fixed to the input end of the right-angle transmission, a positioning plate is fixed to the end of the input shaft away from the right-angle transmission, and an insert block is fixed to the end of the positioning plate away from the input shaft. The right-angle transmission limits the position of the movable sleeve and its movable connection by the positioning plate on the input shaft, and the insert block is inserted into the movable sleeve to transmit the power of the synchronous motor to the right-angle transmission.

[0012] Furthermore, the insert block is inserted in the movable sleeve, a limiting bolt is inserted through the circumference of the movable sleeve, and the bottom end of the limiting bolt is threadedly connected in the insert block, so that the movable sleeve and the insert block are restricted together.

[0013] The utility model has the following beneficial effects:

[0014] The utility model solves the problem of inconvenience in separating the pinion gear and the inner gear ring on the right-angle transmission device by arranging a vertical mill grinding disc, a right-angle transmission device and a supporting block. When the pinion gear and the inner gear ring are separated, the rotating frame is rotated to drive the screw rod to rotate. When the screw rod rotates, the right-angle transmission device is driven to descend. When the right-angle transmission device descends, the output shaft and the pinion gear are driven to descend and be separated from the inner gear ring, so that the transmission between the motor and the vertical mill can more conveniently separate the pinion gear and the inner gear ring on the right-angle transmission device.

[0015] The utility model solves the problem of inconvenience caused by the need to add the step of disassembling the motor when replacing the right-angle transmission between the motor and the vertical mill by arranging a right-angle transmission, a support block and a synchronous motor. When the right-angle transmission is damaged and needs to be replaced or maintained, the limit bolt is first unscrewed, and then the movable sleeve is pushed to separate from the insertion block, and the movable bar is driven to be inserted into the motor shaft, so that the connection between the right-angle transmission and the synchronous motor can be disconnected, and the right-angle transmission can be directly moved immediately without moving the synchronous motor. The right-angle transmission between the motor and the vertical mill does not need to add the step of disassembling the motor, and the operation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a stereoscopic diagram of the assembly structure of the gear structure between a synchronous motor and a vertical mill reducer;

[0018] Figure 2 This is a three-dimensional diagram of the vertical mill's grinding disc when viewed from above;

[0019] Figure 3 It is a three-dimensional diagram of the right-angle transmission structure;

[0020] Figure 4 It is a three-dimensional diagram of the support block structure;

[0021] Figure 5 This is a three-dimensional diagram of the synchronous motor structure.

[0022] Reference numerals:

[0023] 1. Vertical mill grinding disc; 101. Fixed disc; 102. Internal gear ring; 103. Grinding disc positioning shaft; 2. Right-angle transmission; 201. Output shaft; 202. Pinion; 203. Input shaft; 204. Positioning disc; 205. Insert block; 206. Screw; 207. Rotating frame; 208. Insert rod; 3. Support block; 301. Support frame; 4. Synchronous motor; 401. Motor shaft; 402. Movable bar; 403. Movable sleeve; 404. Limit bolt. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment 1

[0025] See also Figure 1-5 The utility model is a gear structure between a synchronous motor and a vertical mill reducer, comprising a vertical mill grinding disc 1, a right-angle transmission 2, a support block 3 and a synchronous motor 4. The right-angle transmission 2 is symmetrically arranged below the vertical mill grinding disc 1. The vertical mill grinding disc 1 is supported on the support box of the vertical mill. The power generated by the synchronous motor 4 is changed by ninety degrees through the right-angle transmission 2 and then output. A screw rod 206 is fixed at the bottom center of the right-angle transmission 2. The peripheral side of the screw rod 206 is threadedly connected with the support block 3. When the screw rod 206 rotates, the support block 3 is lowered. After the support block 3 descends, the pinion 202 and the inner gear ring 102 are separated. A synchronous motor 4 is arranged on the side of a right-angle transmission 2 away from the center of the vertical mill grinding disc 1. The right-angle transmission 2 is driven by the synchronous motor 4 to drive the vertical mill grinding disc 1 to rotate. A motor shaft 401 is fixed to the output end of the synchronous motor 4. A movable bar 402 is inserted axially in the motor shaft 401. A movable sleeve 403 is fixed to the end of the movable bar 402 away from the motor shaft 401. When the synchronous motor 4 drives the motor shaft 401 to rotate, the movable sleeve 403 is driven to rotate.

[0026] Specifically, a fixed plate 101 is fixed at the upper edge of the peripheral side of the vertical mill grinding disc 1, an inner gear ring 102 is fixed at the edge of the bottom end of the fixed plate 101 close to the outer peripheral surface, and a grinding disc positioning shaft 103 is fixed at the center of the bottom end of the vertical mill grinding disc 1. The vertical mill grinding disc 1 is connected to the inner gear ring 102 through the fixed plate 101, and meshes with the pinion 202 through the inner gear ring 102. When the pinion 202 rotates, the vertical mill grinding disc 1 is driven to rotate. The vertical mill grinding disc 1 is movably connected to the bearing in the grinding disc support box through the grinding disc positioning shaft 103 to determine the position of the vertical mill grinding disc 1.

[0027] Furthermore, an output shaft 201 is fixed to the output end of the right-angle transmission 2, and a pinion 202 is fixed to the top of the output shaft 201. The pinion 202 is arranged between the inner gear ring 102 and the vertical mill grinding disc 1, and meshes with the inner gear ring 102. The right-angle transmission 2 outputs the transmission power therein through the output shaft 201, drives the pinion 202 to rotate, and when the pinion 202 rotates, it meshes with the inner gear ring 102, thereby driving the inner gear ring 102 to rotate.

[0028] Furthermore, a rotating frame 207 is fixed to the bottom end of the screw 206, and the rotating frame 207 is arranged below the support block 3. The bottom of the right-angle transmission 2 on both sides of the screw 206 are fixed with an insertion rod 208, and the insertion rod 208 is inserted through the support block 3. A support frame 301 is fixed to the bottom of the support block 3. By rotating the rotating frame 207, the screw 206 is driven to rotate. The screw 206 is threadedly connected to the support block 3, so that when the screw 206 rotates, the right-angle transmission 2 is driven to rise and fall. The insertion rod 208 is inserted into the support block 3 to maintain the stability of the right-angle transmission 2 during lifting and working. The support block 3 is supported on the ground by the support frame 301.

[0029] The operation process of this embodiment is as follows: during operation, when the synchronous motor 4 drives the right-angle transmission 2, the right-angle transmission 2 changes the power generated by the synchronous motor 4 by ninety degrees, drives the output shaft 201 to rotate, drives the pinion 202 to rotate, and when the pinion 202 rotates, drives the inner gear ring 102 to rotate. When the inner gear ring 102 rotates, drives the fixed disk 101 and the vertical mill grinding disc 1 to rotate. When the pinion 202 and the inner gear ring 102 are separated, the rotating frame 207 is rotated to drive the screw 206 to rotate. When the screw 206 rotates, the right-angle transmission 2 is driven to descend. When the right-angle transmission 2 descends, the output shaft 201 and the pinion 202 are driven to descend and separate from the inner gear ring 102. Specific embodiment 2

[0030] See also Figure 1 , 3 On the basis of the specific embodiment 1, an input shaft 203 is fixed to the input end of the right-angle transmission 2, a positioning plate 204 is fixed to the end of the input shaft 203 away from the right-angle transmission 2, and an insert block 205 is fixed to the end of the positioning plate 204 away from the input shaft 203. When the insert block 205 is driven to rotate by the movable sleeve 403, the positioning plate 204 is driven to rotate, and the input shaft 203 is driven to rotate through the rotation of the positioning plate 204. When the input shaft 203 rotates, the right-angle transmission 2 is driven to work.

[0031] Specifically, the plug block 205 is inserted into the movable sleeve 403, and the limiting bolt 404 is inserted through the circumferential side of the movable sleeve 403. The bottom end of the limiting bolt 404 is threadedly connected in the plug block 205. The plug block 205 is inserted into the movable sleeve 403, and the limiting bolt 404 is inserted into the movable sleeve 403 and screwed into the plug block 205, so that the plug block 205 and the movable sleeve 403 are restricted together.

[0032] The operation process of this embodiment is as follows: when working, the synchronous motor 4 is started, and the synchronous motor 4 drives the motor shaft 401 to rotate. When the motor shaft 401 rotates, the movable bar 402 is driven to rotate. When the movable bar 402 rotates, the movable sleeve 403 is driven to rotate. When the movable sleeve 403 rotates, the plug block 205 is driven to rotate. When the plug block 205 rotates, the positioning plate 204 is driven to rotate. When the positioning plate 204 rotates, the input shaft 203 is driven to rotate. When the input shaft 203 rotates, the right-angle transmission 2 is driven to work. After changing the power direction by ninety degrees, the output shaft 201 is driven to rotate. When the output shaft 201 rotates, the pinion 202 is driven to rotate, driving the internal gear ring 102 meshing with the pinion 202 to rotate. When the right-angle transmission 2 is damaged and needs to be replaced or maintained, first the limit bolt 404 is unscrewed, and then the movable sleeve 403 is pushed to separate from the plug block 205, driving the movable bar 402 to rotate. The machine shaft 401 is inserted, and the rotating frame 207 is then rotated to drive the screw 206 to rotate. When the screw 206 rotates, the right-angle transmission 2 is driven to descend. When the right-angle transmission 2 descends, the output shaft 201 and the pinion 202 are driven to descend and separate from the inner gear ring 102. When maintenance or replacement is completed, after the right-angle transmission 2 is replaced to its original position, the rotating frame 207 is rotated to drive the screw 206 to rotate, and the right-angle transmission 2 is driven to rise. After the right-angle transmission 2 rises to the plug block 205 to align with the movable sleeve 403, and the pinion 202 resumes engagement with the inner gear ring 102, the movable sleeve 403 is pulled and rotated to the position where the limit bolt 404 is inserted to align with the threaded connection position on the plug block 205. After the movable sleeve 403 is put on the plug block 205, the limit bolt 404 is inserted into the movable sleeve 403, and then screwed into the plug block 205 to complete the reset work of the right-angle transmission 2.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A gear structure between a synchronous motor and a vertical mill reducer, comprising a vertical mill grinding disc (1), a right-angle transmission (2), a support block (3) and a synchronous motor (4), characterized in that: A right-angle transmission device (2) is symmetrically arranged below the vertical mill grinding disc (1), a screw rod (206) is fixed at the bottom center of the right-angle transmission device (2), and a support block (3) is threadedly connected to the circumferential side of the screw rod (206), and a synchronous motor (4) is arranged on a side of the right-angle transmission device (2) away from the center of the vertical mill grinding disc (1), a motor shaft (401) is fixed to the output end of the synchronous motor (4), a movable bar (402) is inserted into the motor shaft (401) along the axial direction, and a movable sleeve (403) is fixed to the end of the movable bar (402) away from the motor shaft (401).

2. The gear structure between a synchronous motor and a vertical mill reducer according to claim 1, characterized in that: A fixed disc (101) is fixed at the upper edge of the peripheral side of the vertical mill grinding disc (1), an inner gear ring (102) is fixed at the edge of the bottom end of the fixed disc (101) close to the outer peripheral surface, and a grinding disc positioning shaft (103) is fixed at the center of the bottom end of the vertical mill grinding disc (1).

3. The gear structure between a synchronous motor and a vertical mill reducer according to claim 2, characterized in that: An output shaft (201) is fixed to the output end of the right-angle transmission (2), a pinion gear (202) is fixed to the top end of the output shaft (201), and the pinion gear (202) is arranged between the inner gear ring (102) and the vertical mill grinding disc (1), and meshes with the inner gear ring (102).

4. The gear structure between a synchronous motor and a vertical mill reducer according to claim 1, characterized in that: A rotating frame (207) is fixed to the bottom end of the screw rod (206), and the rotating frame (207) is arranged below the support block (3). Insertion rods (208) are fixed to the bottom of the right-angle transmission devices (2) on both sides of the screw rod (206), and the insertion rods (208) are inserted through the support block (3). A support frame (301) is fixed to the bottom of the support block (3).

5. The gear structure between a synchronous motor and a vertical mill reducer according to claim 1, characterized in that: An input shaft (203) is fixed to the input end of the right-angle transmission (2), a positioning plate (204) is fixed to one end of the input shaft (203) away from the right-angle transmission (2), and an insert block (205) is fixed to one end of the positioning plate (204) away from the input shaft (203).

6. The gear structure between a synchronous motor and a vertical mill reducer according to claim 5, characterized in that: The insert block (205) is inserted into the movable sleeve (403), a limiting bolt (404) is inserted through the circumference of the movable sleeve (403), and the bottom end of the limiting bolt (404) is threadedly connected in the insert block (205).

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