CN219037851U - Tooth space distance measuring device for gear detection - Google Patents

Abstract

The utility model provides a gear distance measuring device for gear detection, which relates to the technical field of gear detection, and includes a gear distance measuring frame. Limiting side plates are arranged on both sides of the top of the gear distance measuring frame. The top of the distance measuring guide rail is provided with a scale bar, and both sides of the top of the distance measuring guide rail are provided with a sliding distance measuring mechanism, and the sliding distance measuring mechanism includes a distance measuring slider. The bottom of the ranging slider is provided with a matching groove. In the utility model, since the gear sleeve is fixed at the center of the top of the distance measuring guide rail, the top plate of the teeth is also arranged at the center of one side of the distance measuring slider, so that the connection line between the top plate of the teeth and the gear sleeve can be connected with the gear The diameter coincides with each other, so that the device will not be stuck in the test of the gear, thereby reducing the error of the gear spacing test, increasing the accuracy of the gear detection data, and improving the practicability of the device.

Description

A tooth distance measuring device for gear detection

technical field

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

Background technique

A gear is a mechanical element with gears on the wheel rim that continuously meshes to transmit motion and power. The existing gears are usually tested with calipers after production to determine the various parameters of the gears after they are produced. Ways to determine the role of defective products in the product.

However, in the prior art, when a caliper is used to test the addendum circle diameter and the dedendum circle diameter of the gear, due to the circular feature of the gear, the deviation may occur during the caliper test, resulting in the measured relative diameter There will be a large error, which will have a certain impact on the detection data of the gear, and needs to be improved.

Utility model content

The purpose of this utility model is to solve the shortcomings in the prior art. When using a caliper to test the addendum circle diameter and the dedendum circle diameter of the gear, due to the circular feature of the gear, it may occur during the caliper test. In the case of deviation, there will be a large error in the measured relative diameter, which will have a certain impact on the detection data of the gear.

In order to achieve the above object, the utility model adopts the following technical scheme: a tooth spacing distance measuring device for gear detection, including a gear distance measuring frame, and both sides of the top of the gear distance measuring frame are provided with limiting side plates. The top of the gear distance measuring frame is provided with a distance measuring guide rail, the top of the distance measuring guide rail is provided with a scale bar, and both sides of the top of the distance measuring guide rail are provided with a sliding distance measuring mechanism, and the sliding distance measuring mechanism includes a distance measuring A slider, the bottom of the ranging slider is provided with a matching groove, the inner wall of the matching groove slides with the outer wall of the ranging guide rail, one side of the ranging slider is provided with a through hole, the A guide rod is slidably arranged on the inner wall of the through hole, and the two ends of the guide rod are respectively connected with two limiting side plates. The outer wall of the guide rod is slidably provided with a first spring, and one end of the first spring is connected to the The side wall of the limit side plate is connected, the other end of the first spring is connected with the side wall of the distance measuring slider, and the center of one side of the distance measuring slider is vertically provided with a tooth top plate, and the teeth Both the front and the rear of the top plate are provided with triangular fixed blocks, and the inclined walls of the two triangular fixed blocks are provided with auxiliary components.

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

The technical effect of adopting the above further solution is: the gear fixing column engages and installs the gear sleeve to prevent relative sliding between the gear sleeve and the gear fixing column.

As a preferred embodiment, a gear sleeve is provided on the outside of the gear fixing column.

The technical effect of adopting the above-mentioned further scheme is: the gear sleeve is a structure in which the gear is fixed through the hollow of the shaft center of the gear in the device, and the way that the gear sleeve and the gear fixing column are interlocked and installed enables the device to be installed according to the gear. The specification replaces the gear sleeve relatively, so that the gear can always be snapped and fixed at the top center of the distance measuring guide rail.

As a preferred implementation manner, one side of the distance measuring slider is provided with an arrow frame.

The technical effect of adopting the above further solution is: the arrow frame installs the marked arrows, increasing the installation stability of the marked arrows.

As a preferred implementation manner, marking arrows are arranged at the rear of the arrow frame.

The technical effect of adopting the above further solution is: the peak projection of the marked arrow is located on one side of the tooth roof, so that the distance between the measured gears can be read by comparing the marked arrow with the scale bar.

As a preferred implementation, the top of the gear distance measuring frame is provided with limiting blocks on both sides near the center.

The technical effect of adopting the above-mentioned further scheme is: the limit block is installed on the gear ranging frame to limit the sliding position of the ranging slider, preventing the sliding distance measuring mechanism from interacting with the gear sleeve when the gear is not installed on the gear sleeve. Collision reduces the overall measurement accuracy of the device and increases the practicability of the device.

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

In the utility model, when the gear is fixed on the top of the distance-measuring guide rail through the gear sleeve, the two sliding distance-measuring mechanisms cooperate with each other to realize the engagement and fixation of the gear. contact with each other to realize the test of the addendum circle diameter and the dedendum circle diameter of the gear. Since the gear sleeve is fixed at the top center of the distance measuring guide rail, the tooth top plate is also set at the center of one side of the distance measuring slider. Make the connection line between the tooth top plate and the gear sleeve coincide with the diameter of the gear, so that the device will not be stuck in the test of the gear, thereby reducing the error of the gear spacing test and increasing the accuracy of the gear detection data. Improve the practicality of the device.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a tooth spacing ranging device for gear detection provided by the present invention;

Fig. 2 is a schematic structural diagram of a gear distance measuring frame of a gear distance measuring device for gear detection provided by the utility model;

Fig. 3 is a structural schematic diagram of a sliding distance measuring mechanism of a tooth pitch distance measuring device for gear detection provided by the utility model;

Fig. 4 is a schematic structural diagram of a gear sleeve of a tooth distance measuring device for gear detection provided by the present invention.

illustration:

1. Gear ranging frame; 11. Limiting side plate; 12. Distance measuring guide rail; 13. Scale bar; 2. Sliding distance measuring mechanism; 21. Distance measuring slider; 211. Cooperating groove; 212. Through hole ; 27. Limiting squares;

2421, the auxiliary baffle; 2422, the second spring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1

As shown in Figures 1-4, the utility model provides a technical solution: a gear distance measuring device for gear detection, including a gear distance measuring frame 1, the gear distance measuring frame 1 is installed on the sliding distance measuring mechanism 2, and the gear Both sides of the top of the distance measuring frame 1 are provided with limit side plates 11, and the limit side plates 11 are installed on the guide rod 22. The distance sliders 21 are mutually sliding and sleeved, and the top of the distance measuring guide rail 12 is provided with a scale bar 13. Through the mutual cooperation of the scale bar 13 and the marked arrow 261, the measurement data of the device as a whole is read. The top sides of the distance measuring guide rail 12 Both are provided with a sliding distance measuring mechanism 2, and the two sliding distance measuring mechanisms 2 cooperate with each other to realize the engagement and fixation of the gears. The sliding distance measuring mechanism 2 includes a distance measuring slider 21, and the bottom of the distance measuring slider 21 is provided with a matching concave Groove 211, the matching groove 211 is a structure that is arranged on the ranging slider 21 so that the ranging slider 21 and the ranging guide rail 12 engage and slide with each other, and the inner wall of the matching groove 211 and the outer wall of the ranging guide rail 12 slide mutually, One side of the distance measuring slider 21 is provided with a through hole 212, the through hole 212 can slide with the guide rod 22, and the inner wall of the through hole 212 is slidably provided with a guide rod 22, between the through hole 212 and the guide rod 22 The mutual sliding increases the stability in the sliding process of the distance measuring slider 21, and the two ends of the guide rod 22 are respectively connected with the two limit side plates 11, and the outer wall of the guide rod 22 is slidably provided with a first spring 23, the first One end of the spring 23 is connected to the side wall of the limit side plate 11, the other end of the first spring 23 is connected to the side wall of the distance measuring slider 21, and the distance measuring slider 21 and the limit side are connected by the first spring 23 Plate 11, so that under the elastic force of the first spring 23, the distance-measuring slider 21 is in the tendency to slide towards the top center of the gear distance-measuring frame 1 under normal conditions. The center of one side of the slider 21 is vertically provided with a tooth top plate 24. The tooth top plate 24 is the main structure in the device that is in direct contact with the gears and tests the gear spacing. Fixed block 241, the setting of triangular fixed block 241 can increase the installation stability of tooth top plate 24, and triangular fixed block 241 is installed to auxiliary assembly 242, and the oblique wall of two triangular fixed blocks 241 is all provided with auxiliary assembly 242, auxiliary The component 242 can be in contact with the tooth wall after the tooth top plate 24 contacts the gear, and can relatively reduce the pressure load on the tooth top plate 24 and increase the practicality of the device.

Example 2

As shown in Figure 1-4, a gear fixing post 25 is provided at the center of the top of the distance measuring guide rail 12, and the gear fixing post 25 engages and installs the gear sleeve 251. The sleeve 251 is a structure for fixing the gear through the hollow of the gear axis in the device. An arrow frame 26 is arranged on one side of the distance measuring slider 21. The arrow frame 26 is used to install the marked arrow 261. The rear part of the arrow frame 26 is arranged There is a marked arrow 261, and the peak projection of the marked arrow 261 is located on one side of the tooth top plate 24, so that the distance between the measured gear can be read by comparing the marked arrow 261 with the scale bar 13, and the top of the gear distance measuring frame 1 is close to the center. Limiting squares 27 are arranged on both sides, and the limiting squares 27 are installed on the gear ranging frame 1 to limit the sliding position of the distance measuring slider 21. The auxiliary assembly 242 includes an auxiliary baffle 2421, a part of which is The side is connected with the teeth top plate 24 through the rotating shaft, and the rear portion of the auxiliary baffle 2421 is provided with a second spring 2422, which connects the auxiliary baffle 2421 and the inclined wall of the triangular fixed block 241 through the second spring 2422, and one end of the second spring 2422 It is connected with the inclined wall of the triangular bracket, and under the elastic force of the second spring 2422 , the auxiliary baffle 2421 can rotate around the rotating shaft within a certain range and fit together with the teeth of the gear.

working principle:

As shown in Figure 1-4, the gear distance measuring frame 1 is installed on the sliding distance measuring mechanism 2, the limit side plate 11 is installed on the guide rod 22, and the distance measuring guide rail 12 can be slid and sleeved with the distance measuring slider 21. Through the mutual cooperation between the scale bar 13 and the marked arrow 261, the measurement data of the whole device is read. The matching groove 211 is arranged on the distance measuring slider 21 so that the distance measuring slider 21 and the distance measuring guide rail 12 engage and slide with each other. structure, the through hole 212 can slide with the guide rod 22, connect the distance measuring slider 21 and the limit side plate 11 through the first spring 23, and the setting of the triangular fixing block 241 can increase the installation stability of the tooth top plate 24, And the triangular fixing block 241 installs the auxiliary component 242, and the auxiliary baffle 2421 is connected with the oblique wall of the triangular fixing block 241 through the second spring 2422. Under the elastic force of the second spring 2422, the auxiliary baffle 2421 is within a certain range. The teeth of the gear that can rotate around the rotating shaft fit together, and the gear fixing column 25 engages and installs the gear sleeve 251. The gear sleeve 251 is a structure that fixes the gear through the hollow of the shaft of the gear in the device. There are 26 pairs of arrow brackets. Mark the arrow 261 for installation, and the apex projection of the marked arrow 261 is located on one side of the tooth top plate 24, so that the distance between the measured gear can be read by comparing the marked arrow 261 with the scale bar 13, and the limit square 27 is installed on the gear measuring The sliding position of the distance measuring slider 21 can be limited on the distance frame 1 .

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or remodel it into an equivalent change. The equivalent embodiments are applied to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present utility model still belong to the technical solution of the present utility model scope of protection.

Claims (6)

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).

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