CN221725126U - Gear center hole concentricity inspection device - Google Patents

Abstract

The utility model relates to the technical field of gear concentricity inspection, in particular to a gear center hole concentricity inspection device which comprises a supporting seat, a gear fixing block, a screw roller needle bearing, a profiling movable plate and a dial indicator, wherein the supporting seat comprises a supporting bottom plate, the bottoms of two sides of the supporting bottom plate are connected with the supporting blocks in parallel, the gear fixing block, the screw roller needle bearing, the profiling movable plate and the dial indicator are positioned on the supporting bottom plate, the operation is simple, the concentricity test of various gear products can be solved, the gear fixing block and the screw roller needle bearing have the characteristics of rapidness and accuracy, the skill requirement on operators is low, the operators can easily get on hands, the test duration is shortened, and the efficiency is increased; the product is arranged on the gear fixing block, the profiling movable plate is driven to move up and down through the rotation of the product, the moving distance is displayed through the dial indicator, and the numerical variation of the dial indicator is checked through the rotating gear, so that the concentricity of all gear center holes is checked, and the purpose of quick check is achieved.

Description

A gear center hole concentricity testing device

Technical Field

The utility model relates to the technical field of gear concentricity inspection, in particular to a gear center hole concentricity inspection device.

Background Art

The concentricity of the gear center hole refers to the maximum distance between the center line and its contact surface, and is one of the important indicators for measuring the manufacturing quality of gears. The main purpose of concentricity detection is to ensure that the gears can mesh correctly after assembly, ensuring transmission accuracy and service life.

After the gear is processed, the center hole needs to be inspected to realize the installation of the gear. The deviation of the center hole position from the center will affect the installation and performance of the product. The ordinary inspection of the center hole has high requirements on the skills of the inspectors and requires long-term training, resulting in low efficiency of product concentricity inspection and failure to meet production needs.

Utility Model Content

The utility model aims to provide a gear center hole concentricity inspection device to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions:

A gear center hole concentricity inspection device comprises a support seat, a gear fixing block, a screw roller needle bearing, a contour movable plate and a dial indicator, wherein the support seat comprises a support base plate, support blocks are connected in parallel to the bottom of both sides of the support base plate, and the gear fixing block, the screw roller needle bearing, the contour movable plate and the dial indicator are located on the support base plate.

As a preferred solution of the utility model, the contoured movable plate is located between the dial indicator and the gear fixing block on the supporting bottom plate, and the gear fixing block is provided with a gear model groove.

As a preferred solution of the utility model, the profiling movable plate is provided with an inspection profiling groove for inspection on one side of the gear fixing block, and the profiling movable plate is connected to the supporting base plate through a screw roller needle bearing at the top corner on the side away from the gear fixing block.

As a preferred solution of the utility model, the dial indicator is located on a supporting base plate on one side of the contoured movable plate, and a measuring head of the dial indicator abuts against an outer wall of the contoured movable plate on a side away from the gear fixing block.

As a preferred solution of the utility model, a level ruler is connected to both sides of the dial indicator, and the level ruler is parallel to the edge of the supporting base plate and is installed on the top thereof.

As a preferred solution of the utility model, a limited position support plate is arranged on a supporting bottom plate on one side of the contoured movable plate.

As a preferred solution of the utility model, the model of the contoured movable plate changes with the model of the detection gear.

As a preferred solution of the utility model, the inspection profiling groove of the profiling movable plate is concentric with the gear fixing block.

Compared with the prior art, the beneficial effects of the utility model are:

In view of the problems raised in the background technology, the present application is simple to operate, can solve the concentricity inspection of various gear products, has the characteristics of fast and accurate, does not require high skills of operators, is easy to use, shortens the inspection time, and increases efficiency;

Install the product on the gear fixing block, and drive the contoured movable plate to move up and down through the rotation of the product. The moving distance is displayed by the dial indicator. By rotating the gear to observe the value change of the dial indicator, the concentricity of all gear center holes can be tested, achieving the purpose of rapid inspection.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a perspective view of the overall structure of the utility model;

Figure 2 is a top view of the overall structure of the utility model;

FIG3 is an overall side view of the utility model.

In the figure: 1. Support base plate; 2. Support block; 3. Gear fixing block; 4. Limit support plate; 5. Screw roller needle bearing; 6. Contour movable plate; 7. Dial indicator; 71. Level ruler.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention.

Example

Please refer to Figures 1-3. The utility model provides a technical solution: a gear center hole concentricity inspection device, including a support seat, a gear fixing block 3, a screw roller needle bearing 5, a contoured movable plate 6 and a dial indicator 7, the support seat includes a support base plate 1, and the bottom of both sides of the support base plate 1 are parallelly connected to support blocks 2, and the gear fixing block 3, the screw roller needle bearing 5, the contoured movable plate 6 and the dial indicator 7 are located on the support base plate 1.

It should be noted that the application is simple to operate, can solve the concentricity inspection of various gear products, has the characteristics of fast and accurate, does not require high skills of operators, is easy to use, shortens the inspection time, and increases efficiency;

Please refer to Figures 2 and 3. The profiling movable plate 6 is located between the dial indicator 7 and the gear fixing block 3 on the supporting base plate 1, and the gear fixing block 3 is provided with a gear model groove; the profiling movable plate 6 is provided with an inspection profiling groove for inspection on one side of the gear fixing block 3 for testing, and the profiling movable plate 6 is connected to the supporting base plate 1 through a screw roller needle bearing 5 at the top angle of the side away from the gear fixing block 3, and the dial indicator 7 is located on the supporting base plate 1 on one side of the profiling movable plate 6, and the measuring head of the dial indicator 7 abuts against the outer wall of the profiling movable plate 6 on the side away from the gear fixing block 3; the two sides of the dial indicator 7 are connected to set a level ruler 71, and the level ruler 71 is mutually horizontal with the edge of the supporting base plate 1 and is installed at the top thereof; a limited position support plate 4 is provided on the supporting base plate 1 on one side of the profiling movable plate 6; the inspection profiling groove of the profiling movable plate 6 is concentric with the gear fixing block 3; the model of the profiling movable plate 6 changes with the model of the detection gear.

It should be noted that, in this embodiment, by connecting and arranging the level ruler 71 on both sides of the dial gauge 7 to ensure the levelness of the dial gauge 7 and the supporting base plate 1, the dial gauge 7 is vertically located on the profiling movable plate 6, and the measuring head of the dial gauge 7 is vertically abutted against the profiling movable plate 6, thereby ensuring the accuracy of the installation inspection;

Further, the inspection profiling groove of the profiling movable plate 6 is a semicircular arc groove, and the inspection profiling groove of the profiling movable plate 6 is arranged concentrically with the gear fixing block 3. On the one hand, it is convenient to place the gear during inspection, and on the other hand, it prevents the inspection profiling groove of the profiling movable plate 6 from being arranged concentrically with the gear fixing block 3, which may cause inspection errors when inspecting the rotating gear, thereby affecting the inspection accuracy;

Furthermore, a corresponding profiling plate 6 is selected according to the model of the gear fixing block 3 to cooperate with the screw roller needle bearing 5, and is installed on the supporting base plate 1, and a dial indicator 7 that can display measurement data is installed on the supporting base plate 1, and the horizontality of the installation of the dial indicator 7 and the supporting base plate 1 is checked by a level ruler 71, and the profiling movable plate 6 is driven to move up and down by rotating the gear on the gear fixing block 3, and the distance of the activity is displayed by the dial indicator 7, and the concentricity is checked by observing the numerical change of the dial indicator 7, thereby realizing the inspection of the concentricity of the center holes of all gears; the application is simple to operate, can solve the concentricity inspection of various gear products, has the characteristics of fast and accurate, does not require high skills of the operator, is easy to use, shortens the inspection time, and increases efficiency; the product is installed on the gear fixing block 3, and the profiling movable plate 6 is driven to move up and down by the rotation of the product, and the distance of the activity is displayed by the dial indicator 7, and the numerical change of the dial indicator 7 is checked by rotating the gear, thereby realizing the inspection of the concentricity of the center holes of all gears, and achieving the purpose of rapid inspection.

The utility model workflow:

When in use, the corresponding profiling plate 6 is selected according to the model of the gear fixing block 3 and is matched with the screw roller needle bearing 5 to be installed on the supporting base plate 1, and the dial indicator 7 that can display the measurement data is installed on the supporting base plate 1, and the horizontality of the dial indicator 7 and the supporting base plate 1 is checked by the level ruler 71, and the profiling movable plate 6 is driven to move up and down by rotating the gear on the gear fixing block 3, and the distance of the activity is displayed by the dial indicator 7, and the concentricity is checked by observing the value change of the dial indicator 7, so as to realize the inspection of the concentricity of all gear center holes; the application is simple to operate, can solve the concentricity inspection of various gear products, has the characteristics of fast and accurate, does not require high skills of the operator, is easy to use, shortens the inspection time, and increases efficiency; the product is installed on the gear fixing block 3, and the profiling movable plate 6 is driven to move up and down by the rotation of the product, and the distance of the activity is displayed by the dial indicator 7, and the value change of the dial indicator 7 is checked by rotating the gear, so as to realize the inspection of the concentricity of all gear center holes, and achieve the purpose of rapid inspection.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a gear centre bore concentricity verifying attachment, includes supporting seat, gear fixed block (3), screw gyro wheel bearing (5), profile modeling fly leaf (6) and percentage table (7), its characterized in that: the supporting seat comprises a supporting bottom plate (1), supporting blocks (2) are connected to the bottoms of two sides of the supporting bottom plate (1) in parallel, and the gear fixing blocks (3), the screw roller needle bearings (5), the profiling movable plate (6) and the dial indicator (7) are located on the supporting bottom plate (1).

2. The gear center hole concentricity inspection device according to claim 1, wherein: the profiling movable plate (6) is positioned between the dial indicator (7) and the gear fixing block (3) on the supporting bottom plate (1), and a gear model groove is formed in the gear fixing block (3).

3. The gear center hole concentricity inspection device according to claim 1, wherein: the profiling movable plate (6) is examined the check-up imitative groove that is used for the check is offered to gear fixed block (3) one side, profiling movable plate (6) keep away from gear fixed block (3) one side apex angle department is connected with supporting baseplate (1) through screw gyro wheel bearing (5).

4. The gear center hole concentricity inspection device according to claim 1, wherein: the dial indicator (7) is positioned on the supporting bottom plate (1) at one side of the profiling movable plate (6), and a measuring head of the dial indicator (7) is abutted to the outer wall of one side, away from the gear fixing block (3), of the profiling movable plate (6).

5. The gear center hole concentricity inspection device according to claim 1, wherein: level bars (71) are connected to two sides of the dial indicator (7), and the level bars (71) and the edges of the supporting bottom plate (1) are mutually horizontal and are arranged at the top of the supporting bottom plate.

6. The gear center hole concentricity inspection device according to claim 1, wherein: a limiting backup plate (4) is arranged on the supporting bottom plate (1) at one side of the profiling movable plate (6).

7. The gear center hole concentricity inspection device according to claim 1, wherein: the model of the profiling movable plate (6) changes along with the model of the detection gear.

8. The gear center hole concentricity inspection device according to claim 1, wherein: the checking imitation groove of the profiling movable plate (6) and the gear fixing block (3) are concentric circles.