CN219625251U

CN219625251U - Plastic helical gear damage torque testing device

Info

Publication number: CN219625251U
Application number: CN202223258297.0U
Authority: CN
Inventors: 龚红宇; 王策; 吴林彬
Original assignee: Longwei Technology Foshan Co ltd
Current assignee: Longwei Technology Foshan Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-09-01
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a plastic helical gear damage torque testing device which comprises a bottom plate, wherein one end of the bottom plate is provided with a worm in a penetrating mode, one end, far away from the worm, of the bottom plate is provided with a profiling tool, an upper pin shaft and a lower pin shaft are arranged between the profiling tool and the bottom plate together, and a helical gear to be tested is arranged between the profiling tool and the worm together. According to the utility model, the worm matched with the helical gear to be tested is arranged on the test tool flat plate as the test tool, so that the translational motion of the test machine is converted into the rotary motion of the gear, the working condition of the gear in actual work can be conveniently simulated, the actual operation of the gear is more similar, and the accuracy of the helical gear damage torque test is greatly improved.

Description

Plastic helical gear damage torque testing device

Technical Field

The utility model relates to the technical field of gear testing, in particular to a plastic helical gear damage torque testing device.

Background

The plastic helical gear damage torque testing device is a device used for measuring the maximum locked-rotor torque which can be born by a helical gear when a worm is matched with the helical gear for transmission in the gear industry.

In the prior art, when the maximum tensile force which can be borne by the helical gear is measured by using the pseudo-type gear single-tooth tool, the test device only uses the gear single-tooth for testing, the actual meshing state is not considered, the test device is in linear translation motion, a certain gap exists between the test device and the actual meshing state of the gear, and a certain error exists in the detection result.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The utility model aims to provide a plastic helical gear damage torque testing device which is convenient to be close to actual running conditions of gears and improves detection accuracy.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

the utility model provides a plastics helical gear destroys moment of torsion testing arrangement, includes the bottom plate, bottom plate one end runs through and is provided with the worm, the one end that the worm was kept away from to the bottom plate is provided with the profile modeling frock, be provided with upper pin axle and lower round pin axle jointly between profile modeling frock and the bottom plate, be provided with the helical gear that awaits measuring jointly between profile modeling frock and the worm.

As a preferable scheme of the plastic helical gear damage torque testing device, two protrusions are arranged at one end of the bottom plate, which is close to the worm, and corresponding through holes are formed in the two protrusions, so that the worm can be conveniently inserted into the corresponding holes of the helical gear to be tested.

As a preferable scheme of the plastic helical gear damage torque testing device, a tooth groove corresponding to the profiling tool is formed in one side of the profiling tool, which is close to the helical gear to be tested, and the specific tooth groove shape is matched and customized with the actual helical gear to be tested.

As a preferable scheme of the plastic helical gear damage torque testing device, a central shaft corresponding to the helical gear to be tested is arranged at the center of one side of the bottom plate, which is close to the profiling tool, so that the helical gear to be tested can be conveniently fixed.

As a preferable scheme of the plastic helical gear damage torque testing device, the bottom plate, the worm and the profiling tool are made of Unimax die steel, rigidity is guaranteed, and the plastic helical gear damage torque testing device is convenient to adapt to detection of helical gears to be tested of different materials.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the worm matched with the helical gear to be tested is arranged on the test tool flat plate as the test tool, so that the translational motion of the test machine is converted into the rotary motion of the gear, the working condition of the gear in actual work can be conveniently simulated, the actual operation of the gear is more similar, and the accuracy of the helical gear damage torque test is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art. Wherein:

FIG. 1 is a perspective view of a plastic helical gear failure torque testing device of the present utility model;

FIG. 2 is a perspective view of a plastic helical gear breaking torque testing device according to the present utility model;

FIG. 3 is a schematic diagram of the structure of a base plate of a plastic helical gear breaking torque testing device according to the present utility model.

Legend description: 1. a bottom plate; 2. a worm; 3. bevel gear to be measured; 4. profiling tooling; 5. an upper pin shaft; 6. a lower pin shaft; 7. a through hole; 8. tooth slots; 9. a central axis.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1-3, the utility model provides a plastic helical gear damage torque testing device, which comprises a bottom plate 1, wherein one end of the bottom plate 1 is provided with a worm 2 in a penetrating way, one end of the bottom plate 1 far away from the worm 2 is provided with a profiling tool 4, an upper pin shaft 5 and a lower pin shaft 6 are arranged between the profiling tool 4 and the bottom plate 1, and a helical gear 3 to be tested is arranged between the profiling tool 4 and the worm 2.

Referring to fig. 1 again, in order to facilitate installation of the detection worm 2 in the bottom plate 1, specifically, one end of the bottom plate 1, which is close to the worm 2, is provided with two protrusions, and corresponding through holes 7 are formed in the two protrusions, so that the detection worm 2 is conveniently inserted into the corresponding matching of the helical gear 3 to be detected.

Referring to fig. 3 again, in order to facilitate corresponding engagement with the helical gear 3 to be measured, specifically, a tooth slot 8 corresponding to the profiling tool 4 is provided on one side of the profiling tool near the helical gear 3 to be measured, and the specific tooth slot 8 is shaped to be matched and customized with the actual helical gear 3 to be measured.

Referring to fig. 3 again, in order to facilitate fixing the helical gear 3 to be tested, specifically, a center shaft 9 corresponding to the helical gear 3 to be tested is disposed at a center of one side of the bottom plate 1, which is close to the profiling tool 4.

Referring to fig. 1 again, in order to adapt to the bevel gear 3 to be tested with different materials, specifically, the bottom plate 1, the worm 2 and the profiling fixture 4 are all made of Unimax die steel materials, so that rigidity is ensured, and application range is improved.

When the device is specifically used, the material of the helical gear 3 to be tested in the device is determined according to actual test parts, and Unimax die steel (hardness is more than HRC 52) is used for the rest, so that the rigidity is ensured.

The tooth shape of the outer part of the worm 2 is also customized according to the tooth matching of the helical gear 3 to be measured.

Before testing, the worm 2 is inserted into the through hole 7 at one end of the bottom plate 1, the profiling tool 4 is connected with the bottom plate 1 in a positioning way through the upper pin shaft 5 and the lower pin shaft 6, and finally the helical gear 3 to be tested is inserted into the central shaft 9 of the bottom plate 1, so that teeth outside the helical gear 3 to be tested are matched with the worm 2 and the profiling tool 4 at the same time.

During testing, the pressure head of the universal testing machine is flatly pressed on the upper surface of the worm 2, the worm 2 is pressed at a test speed of less than 5mm/min until the helical gear 3 to be tested is obviously bent or broken, and then the helical gear is considered to be invalid.

At this time, the breaking torque t=the force F measured when the helical gear 3 to be measured fails×the base radius R of the helical gear 3 to be measured.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a plastics helical gear destroys moment of torsion testing arrangement, includes bottom plate (1), its characterized in that, bottom plate (1) one end runs through and is provided with worm (2), the one end that worm (2) was kept away from to bottom plate (1) is provided with profile modeling frock (4), be provided with between profile modeling frock (4) and bottom plate (1) jointly and go up round pin axle (5) and lower round pin axle (6), be provided with helical gear (3) to be measured between profile modeling frock (4) and worm (2) jointly.

2. The plastic helical gear damage torque testing device according to claim 1, wherein two protrusions are arranged at one end of the bottom plate (1) close to the worm (2), and corresponding through holes (7) are formed in the two protrusions.

3. The plastic helical gear damage torque testing device according to claim 1, wherein a tooth slot (8) corresponding to the profiling tool (4) is formed on one side, close to the helical gear (3) to be tested.

4. The plastic helical gear damage torque testing device according to claim 1, wherein a central shaft (9) corresponding to the helical gear (3) to be tested is arranged at the center of one side of the bottom plate (1) close to the profiling tool (4).

5. The plastic helical gear damage torque testing device according to claim 1, wherein the base plate (1), the worm (2) and the profiling tool (4) are made of Unimax die steel materials.