CN217275897U

CN217275897U - Cylinder jacket internal diameter and length detection device

Info

Publication number: CN217275897U
Application number: CN202220195333.4U
Authority: CN
Inventors: 周伟贤; 周惠军
Original assignee: Shanghai Ark Pneumatic Technology Co ltd
Current assignee: Shanghai Ark Pneumatic Technology Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-08-23
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a cylinder jacket internal diameter and length detection device belongs to detection device technical field. The method comprises the following steps: the stand is provided with the scale body and the subassembly that slides along its direction of height on the stand, and length measuring device sets up in one side of stand for detect the length of cylinder jacket, and internal diameter measuring device sets up the opposite side at the stand, is used for detecting the internal diameter of cylinder jacket. Through providing a cylinder jacket internal diameter and length detection device, the problem that detection device structure is more complicated among the prior art, be not convenient for operation and carry has been solved.

Description

Cylinder jacket internal diameter and length detection device

Technical Field

The utility model relates to a cylinder jacket internal diameter and length detection device belongs to detection device technical field.

Background

Along with the increasing requirements of engine manufacturers on the bore diameter and the surface quality of the inner bore of the cylinder sleeve, the checking fixture slightly scratches and prints the inner bore of a workpiece, which is not accepted by users, in the cylinder sleeve manufacturing process, turning or grinding is generally needed, so that the bore diameter of the inner bore of the cylinder sleeve is inevitably large or small, the inner bore diameter needs to be detected to improve the product quality, the prior general cylinder sleeve bore diameter detection methods are two methods, one is a plug gauge measurement method, and the defects are that manual operation is mainly used, the measurement force is difficult to control, and misjudgment is easy to generate.

In the prior art, a Chinese patent with the publication number of CN108692666B describes a cylinder sleeve inner diameter detection device, which comprises a transplanting part, a guide part and a measurement part, wherein the transplanting part drives a detection probe or a cylinder sleeve to move, the detection probe is provided with the guide part and the measurement part, the transplanting part comprises a horizontal movement mechanism, a vertical movement mechanism and a rotary movement mechanism, the guide part comprises at least two guide strips, and the measurement part comprises a pushing mechanism and a measurement sensor. The problem of small measuring range of high-precision measuring equipment is solved.

Similar detection devices are common in the market at present, but the detection device has a complex structure and is inconvenient to operate and carry.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: the utility model provides a cylinder jacket internal diameter and length detection device, it has solved among the prior art detection device structure more complicated, the problem of be not convenient for operate and carry.

The utility model discloses the technical problem that will solve takes following technical scheme to realize:

a cylinder liner inner diameter and length detecting apparatus comprising:

the vertical column is provided with a scale body and a sliding component along the height direction;

the length measuring device is arranged on one side of the upright post and used for detecting the length of the cylinder sleeve;

and the inner diameter measuring device is arranged on the other side of the stand column and used for detecting the inner diameter of the cylinder sleeve.

As a preferred example, the sliding assembly comprises a sliding rail and a plurality of sliding blocks, wherein the sliding rail is arranged along the height direction of the upright post, and each sliding block is connected with the sliding rail in a sliding manner.

As a preferred example, the length measuring device includes a first dial indicator and a pressing bar, a first connecting rod and a first slide block are arranged at one end of the first dial indicator, a second slide block is arranged at one end of the pressing bar, and the pressing bar is abutted to the first dial indicator.

As a preferable example, the inner diameter measuring device comprises a second dial indicator and an upper tensioning strip and a lower tensioning strip, a second connecting rod is arranged at one end of the second dial indicator and connected with the first sliding block, a second sliding block and a third sliding block are respectively arranged at one end of each of the two tensioning strips, a spring is arranged between the tensioning strips, and the tensioning strips are abutted to the second dial indicator.

As a preferred example, the thickness of each of said tensioning strips is 5 mm.

As a preferred example, the bottom of the upright post is provided with a base.

The utility model has the advantages that:

1. the utility model provides a detection device, simple structure, easily operation and portable measure the cylinder jacket simple and efficient, and a device both can measure the length of cylinder jacket and can measure the internal diameter of cylinder jacket again, has improved work efficiency and application scope effectively.

2. Be provided with the spring between the tensioning strip, can make tensioning strip and cylinder jacket inner wall laminating better to ensure that measuring result is more accurate.

3. Set up the base, can place the cylinder jacket that awaits measuring on the base to guarantee the stationarity of cylinder jacket and be in horizontal position, avoid measured data inaccurate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1. a base; 2. a column; 21. a scale body; 22. a slipping component; 3. a length measuring device; 31. a first percentile table; 32. layering; 4. an inner diameter measuring device; 41. a second dial indicator; 42. tensioning the strip; 5. a spring.

Detailed Description

In order to understand the technical means, creation features, achievement purposes and functions of the present invention easily, the present invention will be further explained by combining with the specific drawings.

As shown in fig. 1-2, a cylinder liner inner diameter and length detecting apparatus includes: base 1, stand 2, length measurement device 3 and internal diameter measurement device 4.

The column 2 is provided with a scale body 21 and a sliding component 22 along the height direction. The bottom welding of stand 2 has base 1, and stand 2 sets up with base 1's surface vertical.

The subassembly 22 that slides includes slide rail and a plurality of slider that sets up along 2 direction of height of stand, and the quantity of slider is three in this embodiment, is first slider, second slider and third slider respectively, and three slider sets up along the direction of height of slide rail in proper order, and each slider all slides with the slide rail and is connected.

The length measuring device 3 is arranged on one side of the upright post 2 and is used for detecting the length of the cylinder sleeve.

The length measuring device 3 comprises a first dial indicator 31 and a pressing strip 32, a first connecting rod and a first sliding block are arranged at one end of the first dial indicator 31, the first connecting rod is welded on the left side of the first sliding block, a second sliding block is arranged at one end of the pressing strip 32, and the pressing strip 32 is abutted to the bottom end of the first dial indicator 31.

And the inner diameter measuring device 4 is arranged on the other side of the upright post 2 and is used for detecting the inner diameter of the cylinder sleeve.

The inner diameter measuring device 4 comprises a second dial indicator 41 and two tensioning strips 42, the tensioning strips 42 comprise an upper tensioning strip 42 and a lower tensioning strip 42, the upper tensioning strip 42 and the lower tensioning strip 42 are arranged in parallel with each other, and the thickness of each tensioning strip 42 is 5 mm. One end of the second dial indicator 41 is provided with a second connecting rod, and the second connecting rod is welded with the right side of the first sliding block. One end of each of the two tensioning strips 42 is provided with a second sliding block and a third sliding block, and the pressing strip 32 and the upper tensioning strip 42 are arranged on the left side and the right side of the second sliding block respectively. A spring 5 is arranged between the tensioning strips 42, the spring 5 is elastically abutted against the tensioning strips 42, and the upper surface of each tensioning strip 42 is abutted against the second dial indicator 41.

The dial indicator is a general length measuring instrument made of a precise rack mechanism and generally comprises a measuring head, a measuring rod, a shockproof spring 5, a rack, a gear, a hairspring, a round dial, a pointer and the like. One hundred divisions are printed on the round dial plate of the dial indicator, namely each division value is equivalent to the movement of the measuring rod by 0.01 mm.

The dial indicator is a measuring instrument which changes the linear displacement of a measuring rod into the angular displacement of a pointer by utilizing the transmission of a rack gear or a lever gear.

The working principle is as follows: the cylinder sleeve to be tested is vertically placed on the left side of the base 1 and located right below the pressing strip 32, the pressing strip 32 and the first dial indicator 31 move downwards until the pressing strip 32 presses the top of the cylinder sleeve, the length of the cylinder sleeve is read out through the scales on the stand column 2 and the scales on the first dial indicator 31, the cylinder sleeve is horizontally placed on the right side of the base 1, the two tensioning strips 42 are inserted into the cylinder sleeve, the second dial indicator 41 slides downwards, the two tensioning strips 42 are tightly attached to the inner wall of the cylinder sleeve under the action of the spring 5, and the inner diameter of the cylinder sleeve is measured through the scale difference between the tensioning strips 42 and the scales on the second dial indicator 41.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A cylinder liner inner diameter and length detection device, comprising:

the vertical column (2), the vertical column (2) is provided with a scale body (21) and a sliding component (22) along the height direction;

the length measuring device (3) is arranged on one side of the upright post (2) and is used for detecting the length of the cylinder sleeve;

and the inner diameter measuring device (4) is arranged on the other side of the upright post (2) and is used for detecting the inner diameter of the cylinder sleeve.

2. The cylinder liner inner diameter and length detection device according to claim 1, wherein the sliding assembly (22) comprises a sliding rail arranged along the height direction of the pillar (2) and a plurality of sliding blocks, and each sliding block is connected with the sliding rail in a sliding manner.

3. The cylinder liner inner diameter and length detection device according to claim 1, wherein the length measurement device (3) comprises a first dial indicator (31) and a bead (32), a first connecting rod and a first sliding block are arranged at one end of the first dial indicator (31), a second sliding block is arranged at one end of the bead (32), and the bead (32) is abutted to the first dial indicator (31).

4. The cylinder liner inner diameter and length detection device according to claim 1, characterized in that, the inner diameter measurement device (4) includes a second dial indicator (41) and two upper and lower tensioning strips (42), one end of the second dial indicator (41) is provided with a second connecting rod, the second connecting rod is connected with the first slider, one end of the two tensioning strips (42) is respectively provided with a second slider and a third slider, a spring (5) is arranged between the tensioning strips (42), and the tensioning strips (42) are abutted against the second dial indicator (41).

5. The liner inner diameter and length measuring device according to claim 4, wherein the thickness of each of the tensile bars (42) is 5 mm.

6. The liner inner diameter and length detecting device according to claim 2, characterized in that the bottom of the pillar (2) is provided with a base (1).