阅读说明：本技术 一种圆锥斜齿齿轮副齿隙的自动测量装置 (Automatic measuring device for tooth clearance of bevel gear pair ) 是由 顾定 张琦 于 2020-05-07 设计创作，主要内容包括：本发明公开了一种圆锥斜齿齿轮副齿隙的自动测量装置,包括大齿轮压紧机构、大齿轮组件、小齿轮夹紧驱动机构、大齿轮组件支撑机构、小齿轮高度调整机构。本发明的有益效果：对圆锥斜齿齿轮副的齿隙实现自动动态测量,相对涂抹红丹粉的方法,提高了效率,适用于批量测量和快速准确的检测。同时也可以用于齿轮副装入箱体前的一个预先测量,减少组装后齿隙不合适调整时间。(The invention discloses an automatic measuring device for tooth clearance of a bevel gear pair, which comprises a large gear pressing mechanism, a large gear assembly, a small gear clamping driving mechanism, a large gear assembly supporting mechanism and a small gear height adjusting mechanism. The invention has the beneficial effects that: the automatic dynamic measurement of the tooth clearance of the bevel gear pair is realized, the efficiency is improved compared with the method for coating red lead powder, and the method is suitable for batch measurement and rapid and accurate detection. Meanwhile, the gear pair can be used for pre-measurement before being installed in the box body, and the time for adjusting the tooth clearance after assembly is shortened.)

1. The utility model provides an automatic measuring device of vice backlash of circular cone helical tooth gear, includes gear wheel hold-down mechanism (1), gear wheel assembly (2), pinion clamping drive mechanism (3), gear wheel assembly supporting mechanism (4), pinion height adjustment mechanism (5), its characterized in that:

the large gear pressing mechanism (1) is arranged on the upper portion of the large gear assembly (2) and comprises a cylinder mounting assembly (7), two first lifting cylinders (8) are arranged on the cylinder mounting assembly (7), first linear slide rails (9) are symmetrically arranged at the rear end of the cylinder mounting assembly (7), a pressing mechanism (10) is arranged between the two first lifting cylinders (8) at the lower portion of the cylinder mounting assembly (7), and the telescopic ends of the two first lifting cylinders (8) penetrate through the cylinder mounting assembly (7) to be connected with a large gear mounting assembly (11) at the lower portion of the cylinder mounting assembly;

the large gear assembly (2) is arranged between the large gear assembly supporting mechanism (4) and the large gear pressing mechanism (1), the large gear assembly (2) comprises a large gear mounting assembly (11), a large gear mounting piece (12) which is matched and corresponding to the pressing mechanism (10) is arranged in the middle of the large gear mounting assembly (11), the large gear mounting piece (12) is arranged on the upper portion of the tapered roller bearing (13), and a large gear (6) is sleeved on the large gear mounting piece (12);

the large gear component supporting mechanism (4) is arranged on the lower portion of the large gear component (2) and comprises a supporting mechanism fixing seat (14), a transverse sliding rail (15) and a longitudinal sliding rail (16) are sequentially arranged on the supporting mechanism fixing seat (14) from bottom to top, the tapered roller bearing (13) penetrates through the middle of the supporting mechanism fixing seat (14), a large gear angle measuring device (17) is arranged at the tail end of the tapered roller bearing (13), second lifting cylinders (18) are symmetrically arranged on the lower portions of two sides of the supporting mechanism fixing seat (14), and second linear sliding rails (19) are symmetrically arranged on the rear end of the supporting mechanism fixing seat (14);

the small gear clamping driving mechanism (3) is arranged on one side of the large gear assembly (2) and comprises a gear driving device (20), a driving shaft (21) is arranged in the gear driving device (20), a small gear (22) is arranged at one end, close to the large gear (6), of the driving shaft (21), and a driving motor (23) connected with the gear driving device (20) is arranged on one side of the gear driving device (20);

the pinion height adjusting mechanism (5) is arranged at the lower end of the pinion clamping driving mechanism (3) and comprises a driving mechanism mounting assembly (24), a third lifting cylinder (25) is arranged at the lower part of the driving mechanism mounting assembly (24), and third linear sliding rails (26) are symmetrically arranged at the rear end of the driving mechanism mounting assembly (24).

2. The automatic measuring device of the backlash of the bevel gear pair according to claim 1, wherein: and one side of the cylinder mounting component (7) is provided with a drag chain which moves up and down, and the telescopic ends of the two first lifting cylinders (8) penetrate through the cylinder mounting component (7) and are connected with a rotating seat arranged on a large gear mounting component (11) at the lower part of the cylinder mounting component.

3. The automatic measuring device of the backlash of the bevel gear pair according to claim 1, wherein: the lower part of the large gear mounting piece (12) is sleeved on a bearing sleeve at the upper end of the tapered roller bearing (13), and a plurality of groups of rotating gears which are matched with each other to rotate are arranged at the upper end of the tapered roller bearing (13).

4. The automatic measuring device of the backlash of the bevel gear pair according to claim 3, wherein: an observation window is further formed in the large gear installation piece (12).

5. The automatic measurement device for the backlash of the bevel gear pair according to claim 1, wherein the telescopic end of the second lifting cylinder (18) is connected with L-shaped connecting pieces at two sides of the supporting mechanism fixing seat (14), and a flexible limiting pad is further arranged at the upper part of the L-shaped connecting piece.

6. The automatic measuring device of the backlash of the bevel gear pair according to claim 1, wherein: the supporting mechanism fixing seat (14) is provided with a transverse sliding rail (15) and a longitudinal sliding rail (16) which are sequentially arranged from bottom to top, and the transverse sliding rail and the longitudinal sliding rail are respectively connected with a transverse moving plate and a longitudinal moving plate which are arranged on the upper portion of the supporting mechanism fixing seat, and the lower portions of the transverse moving plate and the longitudinal moving plate are respectively provided with a sliding block which is in sliding connection with the transverse sliding rail (15) and the longitudinal sliding rail (16).

7. The automatic measuring device of the backlash of the bevel gear pair according to claim 1, wherein: and a rotating speed sensor is arranged at one end of the gear driving device (20) close to the pinion (22), and the sensor is connected with one end of the gear driving device (20) through a connecting piece.

8. The automatic measuring device of the backlash of the bevel gear pair according to claim 1, wherein: the gear driving device (20) and the gear wheel angle measuring device (17) are both provided with high-precision angle encoders.

9. The automatic measuring device of the backlash of the bevel gear pair according to claim 6, wherein: the longitudinal moving plate is provided with a tensioning mechanism floating device sleeved on the tapered roller bearing (13), and two sides of the transverse moving plate are symmetrically provided with elastic plungers.

10. The automatic measuring device of the backlash of the bevel gear pair according to claim 1, wherein: a pinion tensioning device is arranged between one end of the driving shaft (21) close to the bull gear (6) and the pinion (22).

Technical Field

The invention relates to the technical field of gear measurement, in particular to an automatic measuring device for tooth clearance of a bevel gear pair.

Background

According to the requirements of 'tail reduction assembly instruction in transmission system', the actual circumferential backlash after assembly of the bevel gear pair in the transmission system needs to be measured.

The method adopted on site is to stick lead wires on the tooth surfaces of the bevel gears, rotate the gears to flatten the lead wires, and measure the thickness of the flattened lead wires to obtain the tooth clearance value. The defects and disadvantages of the method are mainly reflected in that: 1. during assembly, operation can be performed only from the oil surface observation window of the shell, so that the space is small and the operation is difficult; 2. the lead wire sticking position affects the measured value, and the measurement repeatability is not high; 3. when the gear is rotated, the lead wire is easy to fall off from the tooth surface, so that the cleanliness of the shell is not up to the standard, and potential safety hazards exist; 4. the gear shaft is pulled axially by manpower to eliminate bearing play, and the magnitude of the axial force cannot be controlled.

Disclosure of Invention

The invention aims to provide an automatic measuring device for tooth clearance of a bevel gear pair, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic measuring device of circular cone helical gear pair backlash, includes gear wheel hold-down mechanism, bull gear assembly, pinion clamping drive mechanism, bull gear assembly supporting mechanism, pinion height adjustment mechanism:

the large gear pressing mechanism is arranged on the upper portion of the large gear assembly and comprises a cylinder mounting assembly, two first lifting cylinders are arranged on the cylinder mounting assembly, first linear slide rails are symmetrically arranged at the rear end of the cylinder mounting assembly, the pressing mechanism is arranged between the two first lifting cylinders on the lower portion of the cylinder mounting assembly, and the telescopic ends of the two first lifting cylinders penetrate through the cylinder mounting assembly and are connected with the large gear mounting assembly on the lower portion of the cylinder mounting assembly;

the large gear assembly is arranged between the large gear assembly supporting mechanism and the large gear pressing mechanism and comprises a large gear mounting assembly, a large gear mounting piece matched and corresponding to the pressing mechanism is arranged in the middle of the large gear mounting assembly, the large gear mounting piece is arranged on the upper part of the tapered roller bearing, and a large gear is sleeved on the large gear mounting piece;

the large gear component supporting mechanism is arranged on the lower portion of the large gear component and comprises a supporting mechanism fixing seat, a transverse sliding rail and a longitudinal sliding rail are sequentially arranged on the supporting mechanism fixing seat from bottom to top, the tapered roller bearing is arranged in the middle of the supporting mechanism fixing seat in a penetrating mode, a large gear angle measuring device is arranged at the tail end of the tapered roller bearing, second lifting cylinders are symmetrically arranged on the lower portions of two sides of the supporting mechanism fixing seat, and second linear sliding rails are symmetrically arranged on the rear end of the supporting mechanism fixing seat;

the small gear clamping driving mechanism is arranged on one side of the large gear assembly and comprises a gear driving device, a driving shaft is arranged in the gear driving device, a small gear is arranged at one end, close to the large gear, of the driving shaft, and a driving motor connected with the small gear is arranged on one side of the gear driving device;

the pinion height adjusting mechanism is arranged at the lower end of the pinion clamping driving mechanism and comprises a driving mechanism mounting assembly, a third lifting cylinder is arranged at the lower part of the driving mechanism mounting assembly, and a third linear sliding rail is symmetrically arranged at the rear end of the driving mechanism mounting assembly.

Preferably, a drag chain moving up and down is arranged on one side of the cylinder mounting assembly, and the two telescopic ends of the first lifting cylinder penetrate through the cylinder mounting assembly and are connected with a rotating seat arranged on a large gear mounting assembly on the lower portion of the cylinder mounting assembly.

Preferably, the lower part of the large gear installation part is sleeved on a bearing sleeve at the upper end of the tapered roller bearing, and the upper end of the tapered roller bearing is provided with a plurality of groups of rotating gears which are matched with each other to rotate.

Preferably, the bull gear installation part is further provided with an observation window.

Preferably, the telescopic end of the second lifting cylinder is connected with L-shaped connecting pieces on two sides of the supporting mechanism fixing seat, and a flexible limiting pad is further arranged on the upper portion of the L-shaped connecting piece.

Preferably, the transverse slide rail and the longitudinal slide rail which are sequentially arranged on the supporting mechanism fixing seat from bottom to top are respectively connected with the transverse moving plate and the longitudinal moving plate which are arranged on the upper portion of the supporting mechanism fixing seat, and the lower portions of the transverse moving plate and the longitudinal moving plate are respectively provided with a slide block which is connected with the transverse slide rail and the longitudinal slide rail in a sliding manner.

Preferably, one end of the gear driving device, which is close to the pinion, is provided with a rotating speed sensor, and the sensor is connected with one end of the gear driving device through a connecting piece.

Preferably, the gear driving device and the gearwheel angle measuring device are both provided with high-precision angle encoders.

Preferably, the longitudinal moving plate is provided with a tensioning mechanism floating device sleeved on the tapered roller bearing, and two sides of the transverse moving plate are symmetrically provided with elastic plungers.

Preferably, a pinion tensioning device is arranged between one end of the driving shaft close to the bull gear and the pinion.

Advantageous effects

The automatic measuring device for the tooth clearance of the bevel gear pair realizes automatic dynamic measurement of the tooth clearance of the bevel gear pair, improves the efficiency compared with a method for coating red lead powder, and is suitable for batch measurement and rapid and accurate detection. Meanwhile, the gear pair can be used for pre-measurement before being installed in the box body, and the time for adjusting the tooth clearance after assembly is shortened.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a bull gear hold-down mechanism of the present invention;

FIG. 3 is a schematic view of the bull gear assembly of the present invention;

FIG. 4 is a schematic view of the pinion clamping drive mechanism of the present invention;

FIG. 5 is a schematic view of the pinion height adjustment mechanism of the present invention;

FIG. 6 is a schematic structural view of a bull gear assembly support mechanism according to the present invention;

FIG. 7 is a graph showing the test curves of the present invention.

Reference numerals

1-a gearwheel pressing mechanism, 2-a gearwheel assembly, 3-a pinion pressing driving mechanism, 4-a gearwheel assembly supporting mechanism, 5-a pinion height adjusting mechanism, 6-a gearwheel, 7-a cylinder mounting assembly, 8-a first lifting cylinder, 9-a first linear slide rail, 10-a pressing mechanism, 11-a gearwheel mounting assembly, 12-a gearwheel mounting assembly, 13-a gearwheel, 14-a supporting mechanism fixing seat, 15-a transverse slide rail, 16-a longitudinal slide rail, 17-a gearwheel angle measuring device, 18-a second lifting cylinder, 19-a second linear slide rail, 20-a gear driving device, 21-a driving shaft, 22-a pinion, 23-a driving motor, 24-a driving mechanism mounting assembly, 25-a third lifting cylinder and 26-a third linear slide rail.

Detailed Description

The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.