CN214946126U

CN214946126U - High-precision speed reducer

Info

Publication number: CN214946126U
Application number: CN202120729977.2U
Authority: CN
Inventors: 张增欣; 张利君; 刘京全; 李增芹
Original assignee: QINGDAO NO 3 INSTR PLANT
Current assignee: QINGDAO NO 3 INSTR PLANT
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-30
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a high-precision speed reducer in the technical field of speed reducers, which comprises an upper clamp plate, a lower clamp plate, a flash disk, a gear A, a gear set, a gear H, a bearing, an output shaft and a support column, wherein the upper clamp plate and the lower clamp plate are fixedly installed through the support column; the gear set is also meshed with a gear H, the gear H is installed at one end of an output shaft, and the other end of the output shaft is fixedly installed on the upper clamping plate through a bearing. The beneficial effects are as follows: 1. the volume is small, the structure is compact, and the weight is light; 2. the transmission is stable, the precision is high, and the noise is low; 3. the assembly efficiency is high; 4. the shock resistance is good, and the accuracy of the reduction ratio i =1:30 is ensured.

Description

High-precision speed reducer

Technical Field

The utility model belongs to the technical field of the reduction gear, in particular to high accuracy reduction gear.

Background

The heart is the power organ of blood circulation in the human body, the heart electrograph is the curve graph that the human body records the change of heart potential along with time, portable digital electrocardiograph is used for the collection, measurement and record of human body electrocardiosignal, high accuracy reduction gear is the key part of mechanical transmission, the reduction gear among the prior art is bulky, gear drive noise is big, the transmission is unstable, the heart electrograph is yielding the distortion, can't reach the requirement of high standard. A new high-precision speed reducer is urgently needed to meet the following requirements: 1. the low-speed gear transmission mechanism has the advantages that the low speed is accurate, 2. the transmission noise is low, 3. the structure is compact, the size is small, 4. the anti-seismic function is good, 5. the gear meshing is stable, the precision is high, and 6. the accuracy that the reduction ratio reaches i =1:30 is guaranteed.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model discloses the decision research and development a high accuracy reduction gear.

A high-precision speed reducer comprises an upper clamping plate, a lower clamping plate, a flash disk, a gear A, a gear set, a gear H, a bearing, an output shaft and a strut, wherein the upper clamping plate and the lower clamping plate are fixedly installed through the strut; the gear set is further meshed with a gear H, the gear H is installed at one end of an output shaft, and the other end of the output shaft is fixedly installed on the upper clamping plate through a bearing.

Further, the number of the pillars is 3, and the pillars are fixed to the upper and lower clamping plates by screws.

Further, the gear train includes gear shaft III, gear shaft II, gear shaft I, gear B, gear C, gear D, gear E, gear F, gear G, install gear B, gear C on the gear shaft I, install gear D, gear E on the gear shaft II, install gear F, gear G on the gear shaft III, gear B is connected with gear A meshing, gear C is connected with gear D meshing, gear E is connected with gear F meshing, gear G is connected with gear H meshing.

Furthermore, the upper clamping plate is provided with 4 mounting holes, and the two sides of the upper clamping plate are symmetrically provided with 2 mounting holes respectively.

Furthermore, 2 mounting holes are symmetrically formed in the lower clamping plate.

The invention has the following beneficial effects:

1. the volume is small, the structure is compact, and the weight is light;

2. the transmission is stable, the precision is high, and the noise is low;

3. the assembly efficiency is high;

4. the shock resistance is good, and the accuracy of the reduction ratio i =1:30 is ensured.

Drawings

FIG. 1 is a top view of a high-precision reducer;

FIG. 2 is a cross-sectional view of the high-precision reducer taken along the direction A-B-C-D-O-F;

the reference numbers in the figures are:

the device comprises a lower clamping plate 1, an upper clamping plate 2, a bearing 3, an output shaft 4, a gear H5, a gear G6, a gear F7, a gear E8, a gear D9, a gear shaft I10, a gear C11, a gear B12, a screw 13, a support column 14, a flash disk 15, a hollow channel 16, a gear A17, a gear shaft II 18, a gear shaft III 19 and a mounting hole 20.

Detailed Description

Example 1

As shown in fig. 1-2, a high-precision speed reducer comprises an upper clamping plate 2, a lower clamping plate 1, a flash disk 15, a gear a17, a gear set, a gear H5, a bearing 3, an output shaft 4, and a support 14, wherein the upper clamping plate 2 and the lower clamping plate 1 are fixedly mounted through the support 14, the gear a17 is fixedly mounted with the flash disk 15, a hollow channel 16 is arranged at a central shaft of the gear a17 and the flash disk 15, two mounting holes 20 are arranged on the gear a17, and the gear a17 penetrates through the lower clamping plate 1 and is in meshed connection with the gear set; the gear set is further meshed with a gear H5, the gear H5 is installed at one end of an output shaft 4, and the other end of the output shaft 4 is fixedly installed on the upper clamping plate 2 through a bearing 3. The number of the pillars 14 is 3, and the pillars 14 are fixed to the upper and

lower clamping plates

2 and 1 by screws 13.

The gear set comprises a gear shaft III 19, a gear shaft II 18, a gear shaft I10, a gear B12, a gear C11, a gear D9, a gear E8, a gear F7 and a gear G6, wherein the gear shaft I10 is provided with the gear B12 and the gear C11, the gear shaft II 18 is provided with the gear D9 and the gear E8, the gear shaft III 19 is provided with the gear F7 and the gear G6, the gear B12 is in meshing connection with the gear A17, the gear C11 is in meshing connection with the gear D9, the gear E8 is in meshing connection with the gear F7, and the gear G6 is in meshing connection with the gear H5. The upper clamping plate 2 is provided with 4 mounting holes, and the two sides of the upper clamping plate are symmetrically provided with 2 mounting holes respectively; and 2 mounting holes are symmetrically formed in the lower clamping plate.

Claims

1. A high accuracy reduction gear which characterized in that: the novel gear flash disc comprises an upper clamping plate (2), a lower clamping plate (1), a flash disc (15), a gear A (17), a gear set, a gear H (5), a bearing (3), an output shaft (4) and a support column (14), wherein the upper clamping plate (2) and the lower clamping plate (1) are fixedly installed through the support column (14), the gear A (17) and the flash disc (15) are fixedly installed, a hollow channel (16) is arranged at the central shaft of the gear A (17) and the central shaft of the flash disc (15), two installation holes (20) are formed in the gear A, and the gear A (17) penetrates through the lower clamping plate (1) and is connected with the gear set in a meshing manner; the gear set is further connected with a gear H (5) in a meshed mode, the gear H (5) is installed at one end of an output shaft (4), and the other end of the output shaft (4) is fixedly installed on the upper clamping plate (2) through a bearing (3).

2. A high-precision speed reducer according to claim 1, wherein: the number of the support columns (14) is 3, and the support columns (14) are fixed on the upper clamping plate (2) and the lower clamping plate (1) through screws (13).

3. A high-precision speed reducer according to claim 1, wherein: the gear train includes gear shaft III (19), gear shaft II (18), gear shaft I (10), gear B (12), gear C (11), gear D (9), gear E (8), gear F (7), gear G (6), install gear B (12), gear C (11) on gear shaft I (10), install gear D (9), gear E (8) on gear shaft II (18), install gear F (7), gear G (6) on gear shaft III (19), gear B (12) and gear A (17) meshing connection, gear C (11) and gear D (9) meshing connection, gear E (8) and gear F (7) meshing connection, gear G (6) and gear H (5) meshing connection.

4. A high-precision speed reducer according to claim 1, wherein: the upper clamping plate (2) is provided with 4 mounting holes, and the two sides of the upper clamping plate are symmetrically provided with 2 mounting holes respectively.

5. A high-precision speed reducer according to claim 1, wherein: the lower clamping plate (1) is symmetrically provided with 2 mounting holes.