CN213120479U

CN213120479U - Height detection tool for crankshaft bearing assembly with ball guide post structure

Info

Publication number: CN213120479U
Application number: CN202022073113.8U
Authority: CN
Inventors: 梁奉敏; 苏天磊
Original assignee: Hebei Haofang New Energy Technology Co ltd
Current assignee: Hebei Haofang New Energy Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-05-04
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a height detection tool for a crankshaft bearing assembly with a ball guide post structure, which comprises a bottom plate, a bearing plate, an upper fixed plate, a guide ring, a bearing ring, a limiting ring, a pressure head, a limiting post, a linear bearing, a ball guide post, a probe, a cylinder and a hydraulic buffer; the upper end surface of the bottom plate is vertically fixed with a ball guide post; a guide ring is fixedly arranged on the upper end surface of the bottom plate; the upper end face of the guide ring is provided with a pressure bearing ring; a ball guide post is vertically fixed on the lower end surface of the upper fixing plate; the upper end face of the upper fixing plate is fixedly provided with a cylinder, and the lower end face of an output shaft of the cylinder is vertically fixed with a bearing plate; the bearing plate is provided with a through hole b, a linear bearing is fixedly arranged in the through hole b, and the ball guide post is positioned in the linear bearing; the limiting ring is fixedly arranged on the lower end face of the bearing plate through a bolt; the lower end face of the limiting ring is fixedly provided with a pressure head. The utility model can detect the height of the crankshaft bearing assembly through the probe, thereby improving the detection accuracy; and the operation is simple, and the method is suitable for popularization.

Description

Height detection tool for crankshaft bearing assembly with ball guide post structure

Technical Field

The utility model belongs to the technical field of the bent axle bearing assembly height detection technique and specifically relates to a ball guide post structure bent axle bearing assembly height detection frock.

Background

The crankshaft bearing assembly is applied to products which need to adjust the whole product axial critical dimension chain by adjusting the height of the crankshaft bearing assembly, so the size of the crankshaft bearing assembly is extremely important, and the relationship is whether the axial dimension of the whole product meets the technical requirements and the comprehensive performance of the product. In the production process of the crankshaft and the bearing, although manufacturers manufacture the crankshaft and the bearing according to the standard crankshaft and bearing sizes, errors occur in the manufacturing process and the assembling process of the crankshaft and the bearing, and the errors can cause the size of the crankshaft bearing assembly to be different from the required size, so the crankshaft bearing assembly needs to be subjected to size detection before being installed.

Manual inspection is often used for the inspection of the height of the crankshaft bearing assembly, but such inspection results are inaccurate, resulting in a mismatch of the crankshaft bearing assembly and the product required technology dimensions. Therefore, a more accurate tool for detecting the height of the crankshaft bearing assembly is needed.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a tool for detecting the height of a crankshaft bearing assembly with a ball guide post structure to solve the above-mentioned problems.

According to the technical scheme provided by the embodiment of the application, the crankshaft bearing assembly height detection tool with the ball guide post structure comprises a bottom plate, a bearing plate, an upper fixing plate, a guide ring, a bearing ring, a limiting ring, a pressure head, a limiting post, a linear bearing, a ball guide post, a probe, an air cylinder and a hydraulic buffer;

the bottom plate is placed on the upper end face of the installation foundation, and three ball guide columns are vertically fixed on the upper end face of the bottom plate; the guide ring is fixedly arranged on the upper end face of the bottom plate, and the three ball guide columns surround the guide ring; the upper end face of the guide ring is provided with the pressure bearing ring;

the upper fixing plate is fixedly arranged on the upper end faces of the three ball guide columns, and the hydraulic buffer is fixedly arranged on the upper fixing plate; the upper end face of the upper fixing plate is fixedly provided with the air cylinder, the upper fixing plate is provided with a through hole a, and an output shaft of the air cylinder penetrates through the through hole a; the lower end face of the output shaft of the cylinder is vertically fixed with the bearing plate; the bearing plate is provided with a through hole b, the linear bearing is fixedly arranged in the through hole b, and the ball guide column is positioned in the linear bearing;

the limiting ring is fixedly arranged on the lower end face of the bearing plate through a bolt; the lower end face of the limiting ring is fixedly provided with the pressure head; the pressure bearing plate is vertically fixed with the probes, and the probes sequentially penetrate through the limiting ring and the pressure head from top to bottom.

In the utility model discloses, the head that is hit of hydraulic buffer is located the upper fixed plate below.

The utility model discloses in, bottom plate up end vertical fixation has spacing post.

In the utility model, a cavity is arranged in the guide ring, the shape of the cross section of the cavity is the same as that of the cross section of the lower part of the crankshaft bearing assembly, and the lower part of the crankshaft bearing assembly is embedded in the cavity of the guide ring; the lower end face of the pressure head is provided with a cavity, and the shape of the cross section of the cavity is the same as that of the cross section of the upper part of the crankshaft bearing assembly.

The utility model discloses in, the probe is connected with PLC, PLC is programmable logic controller.

In the utility model, the bearing plate is provided with a through hole c, and an expansion bolt is arranged in the through hole c; and the probe penetrates through the expansion bolt and is fastened on the bearing plate through a nut.

In the present invention, the number of the hydraulic buffers is three.

To sum up, the beneficial effect of this application: the utility model can detect the height of the crankshaft bearing assembly through the probe, thereby improving the detection accuracy; and the operation is simple, and the method is suitable for popularization.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

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

FIG. 2 is a schematic cross-sectional view of the stop collar of the present invention;

FIG. 3 is a schematic view of the structure of the indenter of the present invention;

fig. 4 is the schematic view of the sectional structure of the pressure head of the present invention.

Reference numbers in the figures: a bottom plate-1; a pressure bearing plate-2; an upper fixing plate-3; a guide ring-4; a pressure-bearing ring-5; a limiting ring-6; a pressure head-7; a limiting column-8; a linear bearing-9; a ball guide post-10; probe-11; a cylinder-12; a hydraulic buffer-13.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, 2, 3 and 4, a tool for detecting the height of a crankshaft bearing assembly with a ball guide post structure includes a bottom plate 1, a bearing plate 2, an upper fixing plate 3, a guide ring 4, a bearing ring 5, a limit ring 6, a pressure head 7, a limit post 8, a linear bearing 9, a ball guide post 10, a probe 11, an air cylinder 12 and a hydraulic buffer 13.

The bottom plate 1 is placed on the upper end face of the workbench, three ball guide columns 10 are vertically fixed on the upper end face of the bottom plate 1, and the three ball guide columns 10 are respectively marked in fig. 1. The guide ring 4 is fixedly arranged on the upper end face of the bottom plate 1, and the three ball guide columns 10 surround the guide ring 4. The upper end face of the guide ring 4 is provided with the pressure bearing ring 5. Be equipped with the cavity in the guide ring 4, the shape of cavity cross section is the same with the shape of the partial cross section of bent axle bearing, bent axle bearing partial inlay in the guide ring 4 in the cavity, like this bent axle bearing subassembly with guide ring 4's cooperation is more accurate, places bent axle bearing subassembly time is quick accurate more, can accurately reduce during operation fast, improves and detects the precision.

The upper fixing plate 3 is fixedly arranged on the upper end faces of the three ball guide columns 10. The upper end face of the upper fixing plate 3 is fixedly provided with the air cylinder 12, the upper fixing plate 3 is provided with a through hole a, and an output shaft of the air cylinder 12 penetrates through the through hole a. The lower end face of the output shaft of the cylinder 12 is vertically fixed with the bearing plate 2. When the cylinder 12 is operated, the output shaft of the cylinder 12 can extend and contract, and the pressure receiving plate 2 can move up and down under the action of the output shaft.

The bearing plate 2 is provided with a through hole b, the linear bearings 9 are fixedly arranged in the through hole b, and the number of the linear bearings 9 is three. The ball guide post 10 is located within the linear bearing 9. The ball guide post 10 can make the bearing plate 2 move up and down linearly, so that the inaccurate height detection caused by the deviation of the position of the bearing plate 2 is avoided.

The limiting ring 6 is fixedly arranged on the lower end face of the bearing plate 2 through a bolt. The lower end face of the limiting ring 6 is fixedly provided with the pressure head 7. The end face is equipped with the cavity under the pressure head 7, the shape of cavity cross section with the shape of the partial cross section on the bent axle bearing assembly is the same, like this pressure head 7 can directly the pressure equipment be in on bent axle bearing assembly's the outer lane, reduce the probability of bent axle bearing assembly damage, more accurate compresses tightly bent axle bearing assembly improves and detects the precision.

The pressure bearing plate 2 is vertically fixed with the probe 11, and the probe 11 sequentially penetrates through the limiting ring 6 and the pressure head 7 from top to bottom. The probe 11 is connected with a PLC, and the PLC is a programmable logic controller. When the bearing plate 2 moves downwards and the upper part of the crankshaft bearing assembly is partially embedded in the pressure head 7, the probe 11 can contact the surface of the crankshaft bearing assembly, and then the probe 11 reads data and feeds back the detection result to a display screen through a PLC and other devices.

The hydraulic buffer 13 is fixedly arranged on the upper fixing plate 3, and the hydraulic buffer 13 can prevent the mechanism from being damaged due to hard collision in the working process. The head of the hydraulic buffer 13 is located below the upper fixing plate 3. The number of the hydraulic buffers 13 is three, and three hydraulic buffers 13 are respectively labeled in fig. 1.

The upper end face of the bottom plate 1 is vertically fixed with the limiting column 8, and the limiting column 6 can limit the downward movement position of the bearing plate 2, so that the bearing plate 2 is prevented from excessively moving downwards to cause damage to the crankshaft bearing assembly.

Example (b): the bearing plate 2 is provided with a through hole c, and an expansion bolt is placed in the through hole c. The probe 11 passes through the expansion bolt and is fastened on the bearing plate 2 through a nut.

The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the invention according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The utility model provides a ball guide post structure bent axle bearing subassembly height detection frock, characterized by: the device comprises a bottom plate (1), a bearing plate (2), an upper fixing plate (3), a guide ring (4), a bearing ring (5), a limiting ring (6), a pressure head (7), a limiting column (8), a linear bearing (9), a ball guide column (10), a probe (11), a cylinder (12) and a hydraulic buffer (13);

the bottom plate (1) is placed on the upper end face of the installation foundation, and three ball guide columns (10) are vertically fixed on the upper end face of the bottom plate (1); the guide ring (4) is fixedly arranged on the upper end face of the bottom plate (1), and the three ball guide columns (10) surround the guide ring (4); the upper end face of the guide ring (4) is provided with the pressure bearing ring (5);

the upper fixing plate (3) is fixedly arranged on the upper end faces of the three ball guide columns (10), and the hydraulic buffer (13) is fixedly arranged on the upper fixing plate (3); the air cylinder (12) is fixedly arranged on the upper end surface of the upper fixing plate (3), a through hole a is formed in the upper fixing plate (3), and an output shaft of the air cylinder (12) penetrates through the through hole a; the lower end face of the output shaft of the cylinder (12) is vertically fixed with the bearing plate (2); the bearing plate (2) is provided with a through hole b, the linear bearing (9) is fixedly arranged in the through hole b, and the ball guide column (10) is positioned in the linear bearing (9);

the limiting ring (6) is fixedly arranged on the lower end face of the bearing plate (2) through a bolt; the lower end face of the limiting ring (6) is fixedly provided with the pressure head (7); the pressure bearing plate (2) is vertically fixed with the probe (11), and the probe (11) sequentially penetrates through the limiting ring (6) and the pressure head (7) from top to bottom.

2. The tool for detecting the height of the bearing assembly of the crankshaft with the ball guide post structure as claimed in claim 1, wherein the tool comprises: the head of the hydraulic buffer (13) is positioned below the upper fixing plate (3).

3. The tool for detecting the height of the bearing assembly of the crankshaft with the ball guide post structure as claimed in claim 1, wherein the tool comprises: the limiting column (8) is vertically fixed on the upper end face of the bottom plate (1).

4. The tool for detecting the height of the bearing assembly of the crankshaft with the ball guide post structure as claimed in claim 1, wherein the tool comprises: a cavity is arranged in the guide ring (4), the shape of the cross section of the cavity is the same as that of the cross section of the lower part of the crankshaft bearing assembly, and the lower part of the crankshaft bearing assembly is embedded in the cavity of the guide ring (4); the lower end face of the pressure head (7) is provided with a cavity, and the shape of the cross section of the cavity is the same as that of the cross section of the upper part of the crankshaft bearing assembly.

5. The tool for detecting the height of the bearing assembly of the crankshaft with the ball guide post structure as claimed in claim 1, wherein the tool comprises: the probe (11) is connected with a PLC, and the PLC is a programmable logic controller.

6. The tool for detecting the height of the bearing assembly of the crankshaft with the ball guide post structure as claimed in claim 1, wherein the tool comprises: the pressure bearing plate (2) is provided with a through hole c, and an expansion bolt is placed in the through hole c; the probe (11) penetrates through the expansion bolt and then is fastened on the bearing plate (2) through a nut.

7. The tool for detecting the height of the bearing assembly of the crankshaft with the ball guide post structure as claimed in claim 1, wherein the tool comprises: the number of the hydraulic buffers (13) is three.