CN211012884U

CN211012884U - Cylinder sleeve inner hole size measuring equipment

Info

Publication number: CN211012884U
Application number: CN201922282298.0U
Authority: CN
Inventors: 周上游
Original assignee: Zhuzhou Sixing Machinery Co ltd
Current assignee: Zhuzhou Sixing Machinery Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-07-14
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a cylinder liner hole size measuring equipment, including the workstation, install in the positioner and the measuring device of workstation, positioner is including having the internal diameter measurement platform of measuring the air flue, measuring device with measure the air flue and connect, still including being close to positioner install in the clamping device of workstation, clamping device includes telescopic part and rotatory pressure arm, telescopic part with workstation fixed connection, the rotatory one end of pressing the arm with telescopic part connect and can telescopic part is the axle center rotation, rotatory pressure arm with distance between the workstation is greater than the internal diameter measurement platform with distance between the workstation. Compared with the prior art, the utility model provides a cylinder liner hole size measuring equipment can stabilize the cylinder liner that awaits measuring, has promoted the stability of equipment, and then has strengthened the reliability of equipment.

Description

Cylinder sleeve inner hole size measuring equipment

Technical Field

The utility model relates to a detect technical field, in particular to cylinder liner hole size measuring equipment.

Background

Along with the increasing requirements of engine manufacturers on the bore diameter and the surface quality of an inner bore of a cylinder sleeve, the cylinder sleeve is generally required to be turned or ground in the manufacturing process of the cylinder sleeve, so that the bore diameter of the inner bore of the cylinder sleeve is inevitably larger or smaller, the cylinder sleeve needs to be detected to improve the product quality, two measuring methods, namely a plug gauge measuring method and a laboratory instrument measuring method, are generally adopted for detecting the dimension of the inner bore of a part in the industry at present, wherein the plug gauge measuring method mainly depends on manual operation, the measuring force is not easy to control, misjudgment is easy to generate, scratches are easy to be caused on the bore wall, and meanwhile, the measuring method needs special operation during measurement, so that the production cost is high and the efficiency is; laboratory instrument measurement method often adopts air gauge to detect the size of hole, has that measuring item is many, measures need not contact and advantage such as easy operation, however, prior art's measuring equipment often can not be equipped with clamping device, leads to the stability of equipment when measuring relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming above-mentioned technical problem, providing a cylinder liner hole size measuring equipment that stability is high, the good reliability.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a cylinder liner hole size measurement equipment, include the workstation, install in the positioner and the measuring device of workstation, positioner is including the internal diameter measurement platform that has the measurement air flue, measuring device with measure the air flue and connect, still including being close to positioner install in the clamping device of workstation, clamping device includes telescopic part and rotatory pressure arm, telescopic part with workstation fixed connection, the rotatory one end of pressing the arm with telescopic part connect and can telescopic part is the axle center rotation, rotatory pressure arm with distance between the workstation is greater than the internal diameter measurement platform with distance between the workstation.

Preferably, the rotary pressure arm comprises a pressure rod and a pressure head detachably connected with the pressure rod, one end of the pressure rod is connected with the telescopic component, and the pressure head is arranged at one end, far away from the telescopic component, of the pressure rod.

Preferably, the ram includes a body portion and a connecting portion connecting the body portion and the plunger, the connecting portion is columnar and parallel to the extending and retracting direction of the retractable member, and the cross-sectional area of the body portion gradually increases along the retracting direction of the retractable member.

Preferably, the surface of the body part, which is far away from one end of the connecting part, is provided with anti-skid grains.

Preferably, the inner diameter measuring table comprises a first sub-table, a second sub-table and a third sub-table which are concentrically stacked in sequence, the cross sectional area of the first sub-table is larger than that of the second sub-table, and the cross sectional area of the second sub-table is larger than that of the third sub-table.

Preferably, the measuring air passage penetrates through the first sub-table, the second sub-table and the third sub-table, and one end, close to the first sub-table, of the measuring air passage is connected with the measuring device.

Preferably, the first sub-table, the second sub-table, and the third sub-table are integrally formed.

Preferably, the positioning device further comprises a base installed on the workbench and a supporting column fixedly connected with the base, and the third sub-table is fixedly connected with the supporting column.

Preferably, the base is provided with a first through hole penetrating along the thickness direction of the base, a second through hole is arranged at a position of the workbench corresponding to the first through hole, and the first through hole is communicated with the second through hole.

Preferably, the measuring device is a pneumatic gauge.

To sum up, compare with prior art, the utility model discloses following beneficial effect has: by arranging the clamping device, after the cylinder sleeve to be measured is placed on the positioning device, the clamping device is used for clamping the cylinder sleeve to be measured in a matching manner, so that the stability and reliability of the measuring equipment for the size of the inner hole of the cylinder sleeve during measurement are improved; the cross section area of the body part is gradually increased along the contraction direction of the telescopic part, and meanwhile, anti-skid grains are arranged on the surface of the body part, which is far away from the connecting part, so that the clamping force of the clamping device is further enhanced; the inner diameter measuring table is formed by the first sub-table, the second sub-table and the third sub-table, so that the inner hole size measuring equipment of the cylinder sleeve can measure a plurality of different inner diameter sizes and length sizes of the cylinder sleeve to be measured simultaneously.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a cylinder liner bore size measuring apparatus provided by the present invention;

FIG. 2 is a front view of a cylinder liner bore dimension measuring apparatus provided by the present invention;

FIG. 3 is an enlarged view of a portion A of the bore measurement apparatus of the cylinder liner shown in FIG. 2;

FIG. 4 is a right side view of the cylinder liner bore dimension measuring apparatus provided by the present invention;

FIG. 5 is an enlarged view of portion B of the bore measurement apparatus shown in FIG. 4;

FIG. 6 is a top view of the cylinder liner bore dimension measuring apparatus provided by the present invention;

FIG. 7 is an enlarged view of portion C of the bore measurement apparatus shown in FIG. 6.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 7, the present invention provides a cylinder sleeve inner hole size measuring apparatus 100, wherein the cylinder sleeve inner hole size measuring apparatus 100 includes a workbench 10, a positioning device 30 installed on the workbench 10, a clamping device 50 and a measuring device 70 installed on the workbench 10 near the positioning device 30.

The positioning device 30 is used for placing a cylinder sleeve to be measured (not shown). Specifically, the positioning device 30 includes a base 31 mounted on the worktable 10, a supporting column 33 fixedly connected to the base 31, and an inner diameter measuring table 35 fixedly connected to the supporting column 33 and having a measuring air passage 351. The measurement air duct 351 is connected to the measurement device 70.

Preferably, the base 31 is provided with a first through hole 311 penetrating along a thickness direction thereof, a second through hole (not shown) is provided at a position of the worktable 10 corresponding to the first through hole 311, and the first through hole 311 is communicated with the second through hole.

The supporting columns 33 are used for supporting the inner diameter measuring table 35, and in order to improve the stability of the inner diameter measuring table 35, a plurality of supporting columns 33 may be provided, and the plurality of supporting columns 33 are uniformly distributed along the periphery of the inner diameter measuring table 35. Specifically, in the present embodiment, the number of the supporting columns 33 is three.

The inner diameter measuring table 35 further includes a first sub-table 353, a second sub-table 355 and a third sub-table 357 concentrically stacked in this order, wherein the cross-sectional area of the first sub-table 353 is larger than that of the second sub-table 355, and the cross-sectional area of the second sub-table 355 is larger than that of the third sub-table 357.

The measurement air path 351 extends through the first sub-stage 353, the second sub-stage 355, and the third sub-stage 357, and one end of the measurement air path 351 near the first sub-stage 353 is connected to the measurement device 70.

Specifically, in the present embodiment, the positioning device 30 and the measuring device 70 are respectively disposed on both sides of the table 10, and a measuring head of the measuring device 70 is connected to the measuring air duct 351 after passing through the first through hole 311 and the second through hole. By the arrangement, the measuring device 70 with high environmental requirement can be separated from the workbench 10 with complex environment, and the reliability of the cylinder sleeve inner hole size measuring equipment is improved.

Preferably, the first sub-table 353, the second sub-table 355 and the third sub-table 357 are integrally formed.

The clamping device 50 includes a telescopic member 51 and a rotary pressure arm 53, the telescopic member 51 is fixedly connected to the table 10, and one end of the rotary pressure arm 53 is connected to the telescopic member 51 and can rotate around the telescopic member 51.

The rotating pressing arm 53 includes a pressing rod 531 and a pressing head 533 detachably connected to the pressing rod 531, one end of the pressing rod 531 is connected to the telescopic member 51, and the pressing head 533 is disposed at one end of the pressing rod 531 away from the telescopic member 51.

The ram 533 includes a body portion 5331 and a connecting portion 5333 connecting the body portion 5331 and the pressure lever 531, the connecting portion 5333 is columnar and parallel to the extending and retracting direction of the extensible member 51, and the cross-sectional area of the body portion 5331 gradually increases along the retracting direction of the extensible member 51. Meanwhile, the surface of the body portion 5331 at the end far away from the connecting portion 5333 is provided with anti-slip lines. In the present embodiment, the provision of the body portion 5331 enhances the fastening force of the clamping device 50 in the clamped state, further enhancing the stability and reliability of the liner bore dimension measuring apparatus 100.

In order to ensure that the pressing head 533 does not collide with the cylinder sleeve to be measured or the inner diameter measuring table 35 during the rotation of the rotating pressing arm 53, in this embodiment, the distance between the rotating pressing arm 53 and the table 10 is set to be greater than the distance between the inner diameter measuring table 35 and the table 10.

The measuring device 70 is an air gauge.

Compared with the prior art, the utility model provides a cylinder liner hole size measuring equipment 100 has following beneficial effect: by arranging the clamping device 50, after the cylinder sleeve to be measured is placed on the positioning device 30, the clamping device 50 is matched to clamp the cylinder sleeve to be measured, so that the stability and reliability of the cylinder sleeve inner hole size measuring equipment 100 during measurement are improved; the cross section area of the body portion 5331 is gradually increased along the contraction direction of the telescopic component 51, and anti-slip lines are arranged on the surface of the body portion 5331 far away from the connecting portion 5333, so that the clamping force of the clamping device 50 is further enhanced; an air gauge is adopted as a measuring device, and the inner diameter measuring table 35 is formed by the first sub-table 353, the second sub-table 355 and the third sub-table 357, so that the cylinder sleeve inner hole size measuring equipment 100 can measure a plurality of different inner diameter sizes and length sizes of the cylinder sleeve to be measured simultaneously.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a cylinder liner hole size measurement equipment, include the workstation, install in positioner and the measuring device of workstation, positioner is including the internal diameter measurement platform that has the measurement air flue, measuring device with measure the air flue and connect, its characterized in that, still including being close to positioner install in the clamping device of workstation, clamping device includes telescopic part and rotatory pressure arm, telescopic part with workstation fixed connection, the rotatory one end of pressing the arm with telescopic part connect and can telescopic part is the axle center rotation, rotatory pressure arm with distance between the workstation is greater than internal diameter measurement platform with distance between the workstation.

2. The cylinder sleeve inner hole size measuring device as claimed in claim 1, wherein the rotary pressure arm includes a pressure lever and a pressure head detachably connected to the pressure lever, one end of the pressure lever is connected to the telescopic member, and the pressure head is disposed at one end of the pressure lever away from the telescopic member.

3. The cylinder liner inner bore dimension measuring apparatus of claim 2, wherein the ram includes a body portion and a connecting portion connecting the body portion and the pressure rod, the connecting portion is cylindrical and parallel to a direction of extension and retraction of the telescopic member, and a cross-sectional area of the body portion gradually increases along a direction of retraction of the telescopic member.

4. The cylinder liner bore dimension measuring device of claim 3, wherein the surface of the body portion distal from the connecting portion is provided with anti-slip threads.

5. The apparatus of claim 1, wherein the inner diameter measuring station comprises a first sub-station, a second sub-station and a third sub-station concentrically stacked in sequence, the cross-sectional area of the first sub-station is larger than that of the second sub-station, and the cross-sectional area of the second sub-station is larger than that of the third sub-station.

6. The cylinder liner inner bore size measuring device according to claim 5, wherein the measuring air passage penetrates through the first sub-table, the second sub-table and the third sub-table, and one end, close to the first sub-table, of the measuring air passage is connected with the measuring device.

7. The liner bore dimension measuring apparatus of claim 5, wherein the first sub-table, the second sub-table, and the third sub-table are integrally formed.

8. The cylinder liner inner bore dimension measuring apparatus of claim 5, wherein the positioning device further comprises a base mounted to the table and a support post fixedly connected to the base, and the third sub-table is fixedly connected to the support post.

9. The cylinder liner inner bore dimension measuring apparatus of claim 8, wherein the base is provided with a first through hole penetrating along a thickness direction thereof, a second through hole is provided at a position of the table corresponding to the first through hole, and the first through hole communicates with the second through hole.

10. The cylinder liner bore dimension measuring apparatus of claim 1, wherein the measuring device is a pneumatic gauge.