CN211085004U

CN211085004U - Throat diameter and center moment installation position detection device of double-envelope worm gear speed reducer

Info

Publication number: CN211085004U
Application number: CN201922252913.3U
Authority: CN
Inventors: 刘思厚; 黄怀斌
Original assignee: Zhongneng Tianjin Intelligent Transmission Equipment Co ltd
Current assignee: Zhongneng Tianjin Intelligent Transmission Equipment Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-07-24
Anticipated expiration: 2029-12-16

Abstract

The throat diameter and central moment installation position detection device of the double-envelope worm gear speed reducer comprises a measurement block for simulating the central position of a worm gear, a clamping spring, a dial indicator and a height gauge, wherein the measurement block is a centering measurement block which is obtained by uniformly and equally cutting a worm gear finished product processed by the upper limit of the diameter tolerance of a worm gear tooth part through the center of the worm gear and serves as the center of an actual worm, a plane which is tangent to the central point of the worm gear is cut on one side with the opposite side of the tooth part surface of the worm gear, a hole is formed in the measurement block, the central line of the hole is vertically intersected with the straight line where the plane is located, and the clamping spring is penetrated in the hole and clamps the measurement block on the worm. The utility model discloses a detection method does not need special detecting instrument, reduces assembly cost, can use ordinary conventional measuring instrument to accomplish in general machining mill and detect, does not have too high requirement to measurement personnel technical operation level, and measurement can be accomplished in one person's operation, avoids conventional worm wheel assembly to need scribble the difficult problem that the look is wasted time and energy, the assembly precision is low to the adjustment of lapping.

Description

Throat diameter and center moment installation position detection device of double-envelope worm gear speed reducer

Technical Field

The utility model relates to a worm gear speed reducer produces technical field, especially relates to a two envelope worm gear speed reducer larynx footpath and central square mounted position detection device.

Background

The worm wheel is an important component of the speed reducer, in the double-enveloping worm gear speed reducer, axial force applied to the worm and the worm wheel in the meshing transmission process is large, and a common bearing is difficult to prevent the worm from axially moving, so that the transmission precision between the worm and the worm wheel is influenced, and the product quality of the speed reducer is influenced.

Disclosure of Invention

The utility model provides a solve above-mentioned problem, provide one kind and be convenient for can simply confirm the method of worm axial and worm wheel axial mounted position size at assembly worm gear pair in-process to ensure the required precision of two envelope worm gear pair assembly back meshing positions.

The utility model discloses the technical scheme who takes:

throat diameter and central moment mounted position detection device of double envelope worm gear speed reducer, including simulation worm wheel central point puts with measuring block and clamp the spring, measuring block is for the worm wheel finished product that uses worm wheel tooth portion diameter tolerance upper limit to process out through the equal division of worm wheel center as the measuring block in finding of actual worm center, on having worm wheel tooth portion to cut out the plane of agreeing with the worm wheel central point towards opposite one side on the measuring block, set up porosely on the measuring block, the central line in hole and the straight line that locates with the plane are crossing perpendicularly, press from both sides tight spring and pass in downthehole and press from both sides the measuring block tightly on the worm, still including height gauge and the percentage table that is used for examining on the measuring block and agrees with the plane levelness with the worm wheel central point.

The method for detecting the throat diameter and center distance installation positions of the double-enveloping worm gear reducer comprises the following steps:

measuring the throat diameter position of the worm: an annular flat cushion block is arranged on the working table surface, the worm is vertically fixed on the annular flat cushion block, and the throat diameter position of the worm is measured by a worm throat diameter position measuring device, namely the distance A between the upper plane of the annular flat cushion block and the central plane of the worm shaft;

(II) measuring the throat diameter position of a worm on the worm gear box body: namely, the distance between the rotation center of the worm wheel and the throat diameter center of the worm is measured, an annular flat cushion block is arranged on a working table, the worm wheel is supported and fixed on the working table through a worm wheel supporting bearing radial positioning frame, the worm wheel supporting bearing radial positioning frame is fixed at the worm wheel supporting bearing radial positioning hole on the worm wheel, the central line of the worm wheel is parallel to the working table, an end face frame for one end of the worm wheel to be attached to is arranged on the working table and is vertical to the working table, one side of the end face frame is a vertical plane, one side of the vertical plane of the end face frame is tightly attached to a supporting box end face frame for supporting a speed reducer box body, the bottom surface of the supporting box end face frame is flatly pressed against and compacted with the annular flat cushion block, the distance C between the lowest point of the radial positioning hole of the worm wheel supporting bearing and the upper plane of the annular flat cushion block, the distance B between the rotation center of the worm wheel and the bottom surface of the end face frame of the supporting box body is equal to D/2-C, and the distance B between the rotation center of the worm wheel and the upper plane of the annular flat cushion block is also equal to D/2-C;

(III) calculating the installation position of the throat diameter position of the worm on the box body: and (2) measuring the distance A between the central plane of the worm shaft and the upper plane of the annular flat cushion block in the step (I), obtaining the distance B between the rotation center of the worm wheel in the box body and the bottom surface of the end face frame of the supporting box body in the step (II), calculating to obtain the distance B-A between the worm part on the box body and the bottom surface of the end face frame of the supporting box body, and detecting and determining by using a depth gauge or assembling and compacting an adjusting washer in the distance between the worm and the bottom surface of the end face frame of the supporting box body in advance.

The method for measuring the throat diameter position of the worm by the worm throat diameter position measuring device comprises the following steps: the measuring block is clamped on the worm by a clamping spring penetrating through a hole in the measuring block, so that the tooth profile of the outline tooth part of the measuring block is meshed with the throat diameter part of the worm, the levelness of the plane, which is in fit with the central point of the worm wheel, on the measuring block is detected by a height gauge and a dial indicator, and when the plane, which is in fit with the central point of the worm wheel, on the measuring block is in the horizontal position, the distance A between the upper plane of the annular flat cushion block and the central plane of the worm shaft is measured.

In the method for measuring the throat diameter position of the worm by using the device for measuring the throat diameter position of the worm, when the plane on the measuring block, which is in line with the central point of the worm wheel, is not level by using a dial indicator and a height gauge, the measuring block is slightly rotated leftwards or rightwards around the circumference of the worm until the plane on the measuring block, which is in line with the central point of the worm wheel, is in the horizontal position.

The measurement of the distance C between the lowest point of the radial positioning hole of the worm wheel support bearing and the bottom surface of the end surface frame of the support box body is measured by a dial indicator and a height gauge, the position of the lowest point of the radial positioning hole of the worm wheel support bearing is firstly measured by the dial indicator, and then the distance C between the lowest point and the bottom surface of the end surface frame of the support box body is measured by the height gauge.

The utility model has the advantages that: the utility model discloses a detection method does not need special detecting instrument, reduces assembly cost, can use ordinary conventional measuring instrument to accomplish in general machining mill and detect, does not have too high requirement to measurement personnel technical operation level, and measurement can be accomplished in one person's operation, avoids conventional worm wheel assembly to need scribble the difficult problem that the look is wasted time and energy, the assembly precision is low to the adjustment of lapping.

Drawings

Fig. 1 is a schematic diagram of the measuring block structure of the present invention.

Fig. 2 is a schematic view of the measurement of the throat diameter of the worm according to the present invention.

Fig. 3 is a schematic view of the worm throat diameter position measurement on the worm gear auxiliary box body of the utility model.

Wherein: 1-measuring block; 2-a plane is matched with the central point of the worm wheel; 3-hole; 4-clamping the spring; 5-a worm; 6-dial indicator; 7-annular flat cushion blocks; 8-a working table; 9-end face frame; 10-supporting the box body end face frame; 11-radial positioning holes of the worm wheel support bearing; 12-a worm wheel.

Detailed Description

Position measuring device of worm throat diameter and central moment of double envelope worm gear speed reducer, including simulation worm wheel central point put with measuring block 1 and clamp spring 4, measuring block 1 is for having the worm wheel finished product that worm wheel tooth portion diameter tolerance upper limit processed cut out through the equal division in worm wheel center as the measuring block of finding the center of actual worm, on measuring block 1 having worm wheel tooth portion face opposite one side cut out with worm wheel central point coincidence plane 2, set up porosely 3 on measuring block 1, the central line of hole 3 and with the perpendicular crossing of the straight line that worm wheel central point coincidence plane 2 belonged to, clamp spring 4 cross-under in hole 3 and press from both sides measuring block 1 tightly on worm 5, still including being used for examining dial indicator 6 and the height gage of the level of on measuring block 1 with worm wheel central point coincidence plane 2.

The present invention will be described in detail with reference to the following embodiments.

A worm throat diameter and central moment position measuring device of a double-envelope worm gear speed reducer comprises a measuring block 1 for simulating the central position of a worm gear, a clamping spring 4, a dial indicator 6 and a height gauge, wherein the measuring block 1 is a centering measuring block which is used as the actual worm center and is obtained by equally and partially cutting a worm gear finished product processed by the upper limit of the diameter tolerance of a worm gear tooth part through the center of the worm gear, a light-weight surface hardness high-aluminum alloy material is used, the worm gear finished product is processed according to the upper limit of the diameter tolerance of the worm gear tooth part, then the centering measuring block 1 is equally and partially cut by a high-precision line device through the center of the worm gear, a plane 2 which is in contact with the central point of the worm gear is cut on one side of the measuring block 1 with the opposite side of the tooth part surface of the worm gear, a hole 3 is formed in the measuring block 1, the central line of the hole 3 is vertically crossed with the straight line where the plane 2, the height gauge and the dial indicator 6 check the levelness of the plane 2 which is matched with the central point of the worm wheel on the measuring block 1, and when the plane which is matched with the central point of the worm wheel on the measuring block 1 is adjusted, the plane position is the central plane position of the throat diameter of the worm 5.

measuring the throat diameter position of the worm: an annular flat cushion block 7 is arranged on the working table surface 8, the worm 5 is vertically fixed on the annular flat cushion block 7, the throat diameter position of the worm 5 is measured by a worm throat diameter position measuring device, the measuring block 1 is clamped on the worm 5 by a clamping spring 4 which passes through a hole 3 on the measuring block 1, the tooth part of the outline tooth part of the measuring block 1 is meshed with the tooth shape of the throat diameter part of the worm 5, the levelness of the plane 2 which is matched with the central point of the worm wheel on the measuring block 1 is checked by using a height gauge and a dial indicator 6, when the plane 2 which is matched with the central point of the worm wheel on the measuring block 1 is positioned at the horizontal position, namely, the distance A between the upper plane of the annular flat cushion block 7 and the central plane of the shaft of the worm 5 is measured, when the dial indicator 6 and the height gauge are used for detecting that the plane 2 on the measuring block 1, which is in fit with the central point of the worm wheel, is not flat, and slightly rotating the measuring block 2 to the left or right around the circumference of the worm 5 until the plane 2 on the measuring block 1, which is coincident with the central point of the worm wheel, is in a horizontal position.

(II) measuring the throat diameter position of a worm on the worm gear box body: namely, the distance between the rotation center of a worm wheel 12 and the throat diameter center of a worm 5 is measured, an annular flat cushion block 7 is arranged on a working table 8, the worm wheel 12 is supported and fixed on the working table 8 through a worm wheel supporting bearing radial positioning frame, the worm wheel supporting bearing radial positioning frame is fixed at a worm wheel supporting bearing radial positioning hole 11 on the worm wheel 12, the central line of the worm wheel 12 is parallel to the working table 8, an end face frame 9 for one end of the worm wheel 12 to be attached is arranged on the working table 8 and is vertical to the working table, one side of the end face frame 9 is a vertical plane, one side of the vertical plane of the end face frame 9 is closely attached to a supporting box end face frame 10 for supporting a speed reducer box body, the bottom face of the supporting box body end face frame 10 is flat and compacted with the annular flat cushion block 7, the distance C between the lowest point of the worm wheel supporting bearing radial positioning hole 11 and the upper plane, the measurement of the distance C between the lowest point of the worm wheel support bearing radial positioning hole 11 and the bottom surface of the support box body end surface frame 10 is measured by a dial indicator 6 and a height gauge, the position of the lowest point of the worm wheel support bearing radial positioning hole 11 is firstly measured by the dial indicator 6, the distance C between the lowest point of the worm wheel support bearing radial positioning hole 11 and the bottom surface of the support box body end surface frame 10 is measured by the height gauge, the diameter of the worm wheel support bearing radial positioning hole 11 is D, the distance B between the rotation center of the worm wheel 12 and the bottom surface of the support box body end surface frame 10 is D/2-C, and meanwhile, the distance B between the rotation center of the worm wheel 12 and the upper plane of the annular flat cushion block 7 is also the;

(III) calculating the installation position of the throat diameter position of the worm on the box body: and (2) measuring the distance A between the central plane of the shaft of the worm 5 and the upper plane of the annular flat cushion block 7 in the step (I), and obtaining the distance B between the rotation center of the worm wheel 12 in the box body and the bottom surface of the end face frame 10 of the supporting box body in the step (II), so that the distance B-A between the part of the worm 5 on the box body and the bottom surface of the end face frame 10 of the supporting box body can be calculated, and the distance B-A can be determined by using a depth gauge in the assembling process, or an adjusting washer is assembled in advance and compacted in the distance between the worm 5 and the bottom surface of the end face frame 10 of.

The measurement of the meshing center position of the worm wheel is similar to the mode, the distance from the center of the tooth-shaped throat diameter of the worm wheel 12 to the end face of the matched bearing needs to be measured in advance, the distance from the center of a worm hole on the box body to the end face of the bearing arranged on the box body, the difference value of the two distances is the size of the part to be matched with the adjusting pad, the installation can be concise and accurate after the worm wheel is matched and ground in advance, and the distance from the center of the tooth-shaped throat diameter of the worm wheel 12 to the end face of the matched bearing is measured by adopting a worm throat diameter.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. Throat diameter and central moment mounted position detection device of double envelope worm gear speed reducer, a serial communication port, including simulation worm wheel central point puts with measuring block (1) and clamp spring (4), measuring block (1) is for the equal division of worm wheel finished product that processes out with worm wheel tooth diameter tolerance upper limit through the worm wheel center and cuts out as the measuring block in finding of actual worm center, cut out with worm wheel central point coincidence plane (2) in one side that has worm wheel tooth face opposite on measuring block (1), set up porose (3) on measuring block (1), the central line of hole (3) and the straight line that closes plane (2) place with worm wheel central point are crossing perpendicularly, clamp spring (4) cross-under in hole (3) and press from both sides measuring block (1) tight worm on (5), still including percentage table (6) and the altitude gauge that are used for examining measuring block (1) and worm wheel central point coincidence plane (2) levelness.