CN219037851U

CN219037851U - Tooth space distance measuring device for gear detection

Info

Publication number: CN219037851U
Application number: CN202223344383.3U
Authority: CN
Inventors: 施旭球; 胡治国; 王亮智
Original assignee: Tongling Changjiang Transmission Tools Co ltd
Current assignee: Tongling Changjiang Transmission Tools Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-16
Anticipated expiration: 2032-12-14

Abstract

The utility model provides a tooth space distance measuring device for gear detection, which relates to the technical field of gear detection and comprises a gear distance measuring frame, wherein limit side plates are arranged on two sides of the top of the gear distance measuring frame, a distance measuring guide rail is arranged on the top of the gear distance measuring frame, scale bars are arranged on the top of the distance measuring guide rail, sliding distance measuring mechanisms are arranged on two sides of the top of the distance measuring guide rail, each sliding distance measuring mechanism comprises a distance measuring slide block, and a matching groove is formed in the bottom of each distance measuring slide block. According to the utility model, as the gear sleeve is fixed at the center of the top of the ranging guide rail, and the tooth top plates are respectively arranged at the center of one side of the ranging slide block, the connecting line between the tooth top plates and the gear sleeve can be overlapped with the diameter of the gear, so that the gear is not blocked and deviated during the gear testing, the error of gear interval testing is reduced, the accuracy of gear detection data is improved, and the practicability of the device is improved.

Description

Tooth space distance measuring device for gear detection

Technical Field

The utility model relates to the technical field of gear detection, in particular to a tooth space distance measuring device for gear detection.

Background

The gear is a mechanical element on the rim, which is continuously engaged with the gear to transmit motion and power, the conventional gear is usually subjected to various tests by a caliper after production so as to determine various parameters after the gear is produced, and the functions of defective products and the like in the product are determined by a test mode.

However, in the prior art, when the diameter of the tooth top circle and the diameter of the tooth root circle of the gear are tested by using the caliper, due to the circular characteristic of the gear, the situation of clamping deviation possibly occurs during the test of the caliper, so that a larger error occurs in the measured related diameter, the detection data of the gear is influenced to a certain extent, and the improvement is needed.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, when the diameter of the tooth top circle and the diameter of the tooth root circle of a gear are tested by using a caliper, the condition of clamping deviation possibly occurs during the test of the caliper due to the circular characteristic of the gear, so that larger errors occur in the measured related diameters, and certain influence is generated on the detection data of the gear.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a tooth space distance measuring device for gear detection, includes gear range finding frame, gear range finding frame's top both sides all are provided with spacing curb plate, gear range finding frame's top is provided with the range finding guide rail, the top of range finding guide rail is provided with the scale strip, range finding guide rail's top both sides all are provided with slip range finding mechanism, slip range finding mechanism includes the range finding slider, the bottom of range finding slider is provided with the cooperation recess, the inner wall of cooperation recess and the outer wall of range finding guide rail slide each other, one side of range finding slider is provided with the through-hole, the inner wall slip of through-hole is provided with the guide arm, the both ends of guide arm are connected with two spacing curb plates respectively, the outer wall slip of guide arm is provided with first spring, the one end of first spring is connected with the lateral wall of range finding slider, one side center of range finding slider is provided with the tooth roof perpendicularly, the front portion and the rear portion of tooth roof all set up triangle fixed block, two the skew wall of triangle fixed block all is provided with auxiliary assembly.

As a preferred embodiment, a gear fixing column is arranged at the top center of the ranging guide rail.

The technical effect of adopting the further scheme is as follows: the gear fixing column is used for clamping and installing the gear sleeve, so that the gear sleeve and the gear fixing column are prevented from sliding relatively.

As a preferred embodiment, the gear sleeve is provided on the outer portion of the gear fixing post in a clamping manner.

The technical effect of adopting the further scheme is as follows: the gear sleeve is a structure for fixing the gear through the hollow axle center of the gear in the device, and the mode of mutually clamping and sleeving the gear sleeve and the gear fixing column enables the device to relatively replace the gear sleeve according to the gear specification, so that the gear can be clamped and fixed at the center of the top of the ranging guide rail all the time.

As a preferred embodiment, one side of the distance measuring slide is provided with a arrow rest.

The technical effect of adopting the further scheme is as follows: the arrow head frame is used for installing the marking arrow, so that the installation stability of the marking arrow is improved.

As a preferred embodiment, the rear part of the arrow frame is provided with a marking arrow.

The technical effect of adopting the further scheme is as follows: the peaked projection of the index arrow is located on one side of the tooth crest plate so that the pitch of the measured gear can be read by comparing the index arrow with the scale bar.

As a preferable implementation mode, two sides of the position, close to the center, of the top of the gear ranging frame are provided with limiting blocks.

The technical effect of adopting the further scheme is as follows: the limiting square block is arranged on the gear ranging frame and can limit the sliding position of the ranging sliding block, so that the sliding ranging mechanism and the gear sleeve are prevented from collision with each other when the gear is not arranged on the gear sleeve, the overall measuring precision of the device is reduced, and the practicability of the device is improved.

Compared with the prior art, the utility model has the advantages and positive effects that,

according to the utility model, when the gear is fixed at the top of the ranging guide rail through the gear sleeve, the clamping and fixing of the gear are realized through the mutual matching of the two sliding ranging mechanisms, wherein the tooth top plate can be contacted with the tooth root or the tooth top of the tooth, the testing of the tooth top circle diameter and the tooth root circle diameter of the gear is realized, and as the gear sleeve is fixed at the center of the top of the ranging guide rail, the tooth top plate is also respectively arranged at the center of one side of the ranging slide block, so that the connecting line between the tooth top plate and the gear sleeve can coincide with the diameter of the gear, the gear can not be clamped and deviated in the testing of the device, the error of the gear interval testing is reduced, the accuracy of the gear detection data is increased, and the practicability of the device is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a tooth space distance measuring device for gear detection provided by the utility model;

fig. 2 is a schematic diagram of a gear ranging frame of the tooth space ranging device for gear detection according to the present utility model;

fig. 3 is a schematic diagram of a sliding distance measuring mechanism of a tooth distance measuring device for gear detection according to the present utility model;

fig. 4 is a schematic diagram of a gear sleeve structure of a tooth space distance measuring device for gear detection according to the present utility model.

Legend description:

1. a gear ranging frame; 11. a limit side plate; 12. a ranging guide rail; 13. a scale bar; 2. a sliding distance measuring mechanism; 21. a ranging slide block; 211. a mating groove; 212. a through hole; 22. a guide rod; 23. a first spring; 24. a tooth top plate; 241. a triangular fixed block; 242. an auxiliary component; 25. a gear fixing column; 251. a gear sleeve; 26. arrow head frame; 261. marking arrows; 27. a limit square;

2421. an auxiliary baffle; 2422. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-4, the present utility model provides a technical solution: the tooth space distance measuring device for gear detection comprises a gear distance measuring frame 1, wherein the gear distance measuring frame 1 is used for installing a sliding distance measuring mechanism 2, two sides of the top of the gear distance measuring frame 1 are respectively provided with a limiting side plate 11, the limiting side plates 11 are used for installing guide rods 22, the top of the gear distance measuring frame 1 is provided with a distance measuring guide rail 12, the distance measuring guide rail 12 can be sleeved with a distance measuring slide block 21 in a sliding manner, the top of the distance measuring guide rail 12 is provided with a scale bar 13, the measuring data of the whole device is read through the mutual matching of the scale bar 13 and a marking arrow 261, the two sides of the top of the distance measuring guide rail 12 are respectively provided with a sliding distance measuring mechanism 2, the two sliding distance measuring mechanisms 2 are mutually matched to realize the clamping and fixing of gears, the sliding distance measuring mechanism 2 comprises a distance measuring slide block 21, the bottom of the distance measuring slide block 21 is provided with a matching groove 211, the matching groove 211 is arranged on the ranging slide block 21 to enable the ranging slide block 21 and the ranging guide rail 12 to mutually clamp and slide, the inner wall of the matching groove 211 and the outer wall of the ranging guide rail 12 mutually slide, one side of the ranging slide block 21 is provided with a through hole 212, the through hole 212 can mutually slide with a guide rod 22, the inner wall of the through hole 212 is provided with a guide rod 22 in a sliding manner, the mutual sliding between the through hole 212 and the guide rod 22 increases the stability of the ranging slide block 21 in the sliding process, two ends of the guide rod 22 are respectively connected with the two limiting side plates 11, the outer wall of the guide rod 22 is provided with a first spring 23 in a sliding manner, one end of the first spring 23 is connected with the side wall of the limiting side plate 11, the other end of the first spring 23 is connected with the side wall of the ranging slide block 21, the ranging slide block 21 and the limiting side plate 11 are connected through the first spring 23, the distance measuring slide block 21 is in the trend of sliding towards the top center of the gear distance measuring frame 1 under the elastic acting force of the first spring 23 in a normal state, after a gear is installed, the gear can be clamped, a tooth top plate 24 is vertically arranged in the center of one side of the distance measuring slide block 21, the tooth top plate 24 is in direct contact with the gear in the device and is a main structure for testing the gear distance, triangular fixing blocks 241 are arranged at the front part and the rear part of the tooth top plate 24, the installation stability of the tooth top plate 24 can be improved due to the arrangement of the triangular fixing blocks 241, auxiliary components 242 are arranged on inclined walls of the triangular fixing blocks 241, the auxiliary components 242 can be in contact with tooth walls after the tooth top plate 24 is in contact with the gear, and the practicability of the pressure load increasing device of the tooth top plate 24 can be relatively reduced.

Example 2

As shown in fig. 1-4, a gear fixing column 25 is disposed at the center of the top of the ranging guide rail 12, the gear fixing column 25 is used for clamping and installing the gear sleeve 251, the gear sleeve 251 is a structure for fixing the gear through the hollow center of the gear in the device, an arrow head frame 26 is disposed at one side of the ranging slide block 21, the arrow head frame 26 is used for installing the marking arrow 261, the marking arrow 261 is disposed at the rear part of the arrow head frame 26, the tip projection of the marking arrow 261 is located at one side of the tooth crest plate 24, so that the distance between the measured gear can be read through mutual comparison between the marking arrow 261 and the scale bar 13, limiting blocks 27 are disposed at two sides of the top of the gear ranging slide block 1 close to the center, the limiting blocks 27 are mounted on the gear ranging slide block 1, the sliding position of the ranging slide block 21 can be limited, the auxiliary component 242 comprises an auxiliary baffle 2421, one side of the auxiliary baffle 2421 is connected with the tooth crest plate 24 through a rotating shaft, a second spring 2422 is disposed at the rear part of the auxiliary baffle 2421, the auxiliary baffle 2421 is connected with the triangle fixing frame 2422 through the second spring 2422, and the second spring 2422 is capable of rotating around the first end of the triangle fixing frame 2422.

Working principle:

as shown in fig. 1-4, the gear ranging frame 1 installs the sliding ranging mechanism 2, the limit side plate 11 installs the guide rod 22, the ranging guide rail 12 is sleeved with the ranging slide block 21 in a sliding manner, the scale bar 13 and the marking arrow 261 are matched with each other to read the whole measurement data of the device, the matching groove 211 is arranged on the ranging slide block 21 to enable the ranging slide block 21 and the ranging guide rail 12 to mutually clamp and slide, the through hole 212 can mutually slide with the guide rod 22, the ranging slide block 21 and the limit side plate 11 are connected through the first spring 23, the triangular fixing block 241 is arranged to increase the installation stability of the tooth top plate 24, the triangular fixing block 241 installs the auxiliary baffle 2421 and the inclined wall of the triangular fixing block 241, the auxiliary baffle 2421 is attached to the tooth of the rotating gear around the shaft in a certain range under the elastic force of the second spring 2422, the gear fixing column 25 is arranged in a clamping manner on the gear sleeve 251, the gear sleeve 251 is of a structure for fixing the gear through the hollow part of the gear in the device, the arrow frame 26 is arranged on the position of the arrow head plate 261, and the distance between the tooth top plate 261 and the sliding block plate 27 can be read out by the projection of the arrow head plate 21, and the position of the arrow head plate 13 can be defined by comparing with the position of the arrow head plate 13.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. Tooth space range unit for gear detection, including gear range unit frame (1), its characterized in that: limiting side plates (11) are arranged on two sides of the top of the gear ranging frame (1), a ranging guide rail (12) is arranged on the top of the gear ranging frame (1), scale bars (13) are arranged on the top of the ranging guide rail (12), a sliding ranging mechanism (2) is arranged on two sides of the top of the ranging guide rail (12), the sliding ranging mechanism (2) comprises a ranging slide block (21), a matching groove (211) is arranged at the bottom of the ranging slide block (21), the inner wall of the matching groove (211) and the outer wall of the ranging guide rail (12) slide mutually, a through hole (212) is formed in one side of the ranging slide block (21), the inner wall of the through hole (212) is slidably provided with a guide rod (22), two ends of the guide rod (22) are respectively connected with two limit side plates (11), the outer wall of the guide rod (22) is slidably provided with a first spring (23), one end of the first spring (23) is connected with the side wall of the limit side plate (11), the other end of the first spring (23) is connected with the side wall of the ranging slide block (21), one side center of the ranging slide block (21) is vertically provided with a tooth top plate (24), the front part and the rear part of the tooth top plate (24) are respectively provided with a triangular fixing block (241), the inclined walls of the two triangular fixing blocks (241) are provided with auxiliary components (242).

2. The tooth space distance measuring device for gear detection according to claim 1, wherein: a gear fixing column (25) is arranged at the center of the top of the ranging guide rail (12).

3. The tooth space distance measuring device for gear detection according to claim 2, wherein: the gear sleeve (251) is arranged outside the gear fixing column (25) in a clamping mode.

4. The tooth space distance measuring device for gear detection according to claim 1, wherein: one side of the distance measuring slide block (21) is provided with a arrow rest (26).

5. The tooth space distance measuring device for gear detection according to claim 4, wherein: the rear part of the arrow frame (26) is provided with a marking arrow (261).

6. The tooth space distance measuring device for gear detection according to claim 1, wherein: limiting blocks (27) are arranged on two sides, close to the center, of the top of the gear ranging frame (1).