CN210268421U - Measuring device - Google Patents

Measuring device Download PDF

Info

Publication number
CN210268421U
CN210268421U CN201921314633.4U CN201921314633U CN210268421U CN 210268421 U CN210268421 U CN 210268421U CN 201921314633 U CN201921314633 U CN 201921314633U CN 210268421 U CN210268421 U CN 210268421U
Authority
CN
China
Prior art keywords
measuring
connecting rod
measuring head
rod
blind hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921314633.4U
Other languages
Chinese (zh)
Inventor
刘海军
韩梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Flight Automatic Control Research Institute of AVIC
Original Assignee
Xian Flight Automatic Control Research Institute of AVIC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian Flight Automatic Control Research Institute of AVIC filed Critical Xian Flight Automatic Control Research Institute of AVIC
Priority to CN201921314633.4U priority Critical patent/CN210268421U/en
Application granted granted Critical
Publication of CN210268421U publication Critical patent/CN210268421U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a measuring device, which comprises a thread micrometer and two auxiliary measuring heads, wherein the auxiliary measuring heads are of duckbill structures and comprise measuring rods and connecting rods, and the connecting rods are vertically arranged at one ends of the measuring rods; the connecting rods 21 of the two auxiliary measuring heads are respectively arranged in the blind holes of the fixed measuring head and the movable measuring head in a penetrating manner; one ends, far away from the connecting rod, of the measuring rods of the two auxiliary measuring heads are respectively contacted with the protruding parts so as to measure the sizes of the protruding parts. The device can be used for measuring the size of the inner protruding part of the blind hole, and the inspection precision and the detection efficiency are improved.

Description

Measuring device
Technical Field
The utility model belongs to machining detection area, concretely relates to measuring device for measure the size at the inside protruding position of blind hole.
Background
For a part with a raised part in a blind hole (cavity), when the size of the raised part in the blind hole (cavity) is measured, the shape profile of a detected part interferes with a universal measuring tool due to the limitation of the shape of the universal measuring tool, so that the problem that the universal measuring tool cannot be used for detection can be solved.
At present, only a measuring rod of a three-coordinate measuring instrument can be used for measuring, but the problems of long detection time, high detection cost, low detection efficiency and the like exist.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main objective provides a measuring device can be used for measuring the size at the inside protruding position of blind hole, improves inspection precision and detection efficiency.
The utility model provides a measuring device for measure the size at the inside protruding position of blind hole, this measuring device includes screw micrometer 1 and two supplementary gauge heads 2.
The thread micrometer 1 comprises a micrometer screw 10, a fixed measuring head 11, a movable measuring head 12 and a micrometer frame 13, wherein one end of the fixed measuring head 11 is fixedly arranged at one end of the micrometer frame 13, and the end surface of the other end of the fixed measuring head 11 is provided with a blind hole and a groove 110; one end of the movable measuring head 12 is fixedly arranged at one end of the micrometer screw 10, and the other end face of the movable measuring head 12 is provided with a blind hole 121 and a groove 120; the blind hole 111 of the fixed measuring head 11 and the blind hole 121 of the movable measuring head 12 are coaxially arranged oppositely; the micrometer screw 10 penetrates through the other end of the ruler frame 13;
the auxiliary measuring head 2 is of a duckbill structure, the auxiliary measuring head 2 comprises a measuring rod 20 and a connecting rod 21, and the connecting rod 21 is vertically arranged at one end of the measuring rod 20;
the connecting rods 21 of the two auxiliary measuring heads 2 are respectively arranged in the blind hole 111 of the fixed measuring head 11 and the blind hole 121 of the movable measuring head 12 in a penetrating manner;
the ends of the measuring rods 20 of the two auxiliary measuring heads 2, which are far away from the connecting rod 21, are respectively contacted with the raised parts in the blind holes so as to measure the sizes of the raised parts.
Furthermore, a convex key 22 is arranged at the contact position of the connecting rod 21 and the measuring rod 20, namely, the root of the connecting rod 21 is provided with the convex key 22, the root of the connecting rod 21 is fixedly adjacent to the convex key 22, and the convex key 22 is perpendicular to one end of the measuring rod 20; the protruding keys 22 are respectively arranged in the groove 110 of the fixed measuring head 11 and the groove 120 of the movable measuring head 12.
Further, the connecting rod 21 and the convex key 22 are integrally formed.
Further, one end of the measuring rod 20 away from the connecting rod 21 is provided with a cylindrical boss 23 perpendicular to the axial direction of the measuring rod 20.
Further, the axes of the cylindrical boss 23, the connecting rod 21 and the micrometer screw 10 are parallel to each other.
Further, the connecting rod 21 is a cylinder.
Further, the measuring rod 20 and the connecting rod 21 are made of cemented carbide.
The technical effects of the utility model:
the technical problem that the original universal measuring tool cannot be used for detection is solved, online detection is realized, the detection efficiency is greatly improved, and the detection cost is reduced.
Drawings
FIG. 1 is a schematic structural view of a micrometer according to the present invention;
FIG. 2 is a cross-sectional view of the micrometer according to the present invention;
fig. 3 is a schematic structural diagram of an auxiliary measuring head of the present invention;
description of the drawings: 1-a micrometer screw, 2-an auxiliary measuring head, 10-a micrometer screw, 11-a fixed measuring head, 12-a movable measuring head, 13-a ruler frame, 110-a groove, 111-a blind hole, 120-a groove, 121-a blind hole, 20-a measuring rod, 21-a connecting rod and 22-a convex key.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
Fig. 1 shows the structure schematic diagram of the micrometer screw according to the present invention. As shown in fig. 1, the micrometer 1 includes a micrometer screw 10, a fixed probe 11, a movable probe 12, and a scale frame 13. Fig. 2 is a sectional view of the micrometer according to the present invention. Referring to fig. 1 and 2, one end of the fixed measuring head 11 is fixedly disposed at one end of the ruler frame 13, and the other end face of the fixed measuring head 11 is provided with a blind hole 111 and a groove 110; one end of the movable measuring head 12 is fixedly arranged at one end of the micrometer screw 10, and the other end face of the movable measuring head 12 is provided with a blind hole 121 and a groove 120; the blind hole 111 of the fixed measuring head 11 and the blind hole 121 of the movable measuring head 12 are coaxially arranged oppositely;
fig. 3 is a schematic diagram of the structure of the measuring head of the present invention. As shown in fig. 3, the auxiliary measuring head 2 is of a duckbill structure, the auxiliary measuring head 2 includes a measuring rod 20 and a connecting rod 21, and the connecting rod 21 is vertically disposed at one end of the measuring rod 20. The connecting rods 21 of the two auxiliary measuring heads 2 are respectively arranged in the blind holes of the fixed measuring head 11 and the movable measuring head 12 in a penetrating mode. The other ends of the measuring rods 20 of the two auxiliary measuring heads 2 are respectively contacted with the convex parts in the blind holes so as to measure the sizes of the convex parts.
The utility model provides a measuring device, simple structure, portable, and can on-line measuring at any time, improve detection efficiency.
Further, as shown in fig. 3, a convex key 22 is provided at the root of the connecting rod 21, that is, a convex key 22 is provided at the contact position of the connecting rod 21 and the measuring rod 20, the connecting rod 21 is fixedly adjacent to the convex key 22, and the convex key 22 is perpendicular to one end of the measuring rod 20. The protruding keys 22 are respectively arranged in the groove 110 of the fixed measuring head 11 and the groove 120 of the movable measuring head 12. Specifically, the connecting rod 21 and the convex key 22 may be integrally formed, or may be fixed by welding or the like. The convex key 22 is arranged to control the sliding of the connecting rod 21 in the blind hole, and the measurement precision is improved.
Further, one end of the measuring rod 20 away from the connecting rod 21 is provided with a cylindrical boss 23 perpendicular to the axial direction of the measuring rod 20. The axes of the cylindrical boss 23, the connecting rod 21 and the micrometer screw 10 are parallel to each other.
Further, the connecting rod 21 is a cylindrical structure, but may have other structures. The measuring rod 20 and the connecting rod 21 are made of hard alloy materials, and the rigidity of the measuring rod 20 and the rigidity of the connecting rod 21 are improved by adopting the hard alloy materials, so that the measuring precision is improved.
When detecting, install 2 duckbill type gauge heads respectively in the blind hole of the fixed gauge head of multi-functional micrometer and activity gauge head earlier, select the block gauge that is close with the key element that is surveyed to mark multi-functional micrometer, then to be surveyed the key element direct detection can.

Claims (7)

1. A measuring device is used for measuring the size of a convex part in a blind hole and is characterized by comprising a screw micrometer (1) and two auxiliary measuring heads (2),
the thread micrometer (1) comprises a micrometer screw (10), a fixed measuring head (11), a movable measuring head (12) and a micrometer frame (13), wherein one end of the fixed measuring head (11) is fixedly arranged at one end of the micrometer frame (13), and the end face of the other end of the fixed measuring head (11) is provided with a blind hole (111) and a groove (110); one end of the movable measuring head (12) is fixedly arranged at one end of the micrometer screw (10), and the end face of the other end of the movable measuring head (12) is provided with a blind hole (121) and a groove (120); the blind hole (111) of the fixed measuring head (11) and the blind hole (121) of the movable measuring head (12) are coaxially and oppositely arranged; the micrometer screw (10) penetrates through the other end of the ruler frame (13);
the auxiliary measuring head (2) is of a duckbill structure, the auxiliary measuring head (2) comprises a measuring rod (20) and a connecting rod (21), and the connecting rod (21) is vertically arranged at one end of the measuring rod (20);
the connecting rods (21) of the two auxiliary measuring heads (2) are respectively arranged in the blind hole (111) of the fixed measuring head (11) and the blind hole (121) of the movable measuring head (12) in a penetrating mode;
one ends, far away from the connecting rod (21), of the measuring rods (20) of the two auxiliary measuring heads (2) are respectively in contact with the raised parts in the blind holes so as to measure the sizes of the raised parts.
2. The measuring device according to claim 1, characterized in that a convex key (22) is arranged at the contact position of the connecting rod (21) and the measuring rod (20), and the convex key (22) is perpendicular to one end of the measuring rod (20);
the convex keys (22) of the two auxiliary measuring heads (2) are respectively arranged in the groove (110) of the fixed measuring head (11) and the groove (120) of the movable measuring head (12) in a penetrating mode.
3. A measuring device according to claim 2, characterized in that the connecting rod (21) and the cam (22) are formed in one piece.
4. The measuring device according to claim 1, characterized in that the end of the measuring rod (20) remote from the connecting rod (21) is provided with a cylindrical boss (23) perpendicular to the axial direction of the measuring rod (20).
5. A measuring device as claimed in claim 4, characterized in that the axis of the cylindrical boss (23), the axis of the connecting rod (21) and the axis of the micrometer screw (10) are parallel to each other.
6. A measuring device according to claim 5, characterized in that the connecting rod (21) is a cylinder.
7. A measuring device according to claim 1, characterized in that the measuring rod (20) and the connecting rod (21) are of cemented carbide material.
CN201921314633.4U 2019-08-13 2019-08-13 Measuring device Active CN210268421U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921314633.4U CN210268421U (en) 2019-08-13 2019-08-13 Measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921314633.4U CN210268421U (en) 2019-08-13 2019-08-13 Measuring device

Publications (1)

Publication Number Publication Date
CN210268421U true CN210268421U (en) 2020-04-07

Family

ID=70017224

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921314633.4U Active CN210268421U (en) 2019-08-13 2019-08-13 Measuring device

Country Status (1)

Country Link
CN (1) CN210268421U (en)

Similar Documents

Publication Publication Date Title
US8091251B1 (en) High-speed measuring electronic digital outside micrometer
US11022419B2 (en) Thread inspection systems and methods
CN102478396B (en) Form, position and dimension measuring method of blisk blade and tool thereof
CN110542366A (en) Measuring tool and measuring method for width and intersection of vertical through hole of cylinder cover
CN203636509U (en) Three-dimensional cutting force measuring device
US7043846B2 (en) Reference gauge for calibrating a measuring machine and method for calibrating a measuring machine
CN210268421U (en) Measuring device
CN105067187A (en) Hole-drilling method residual stress calibrating device
CN102909606B (en) The tool setting device of deep hole drilling and boring machine floating boring tool block
CN206095075U (en) Micrometer automatic reading device
US3940854A (en) Three axis precision measuring device
CN211717301U (en) Vernier for simultaneously measuring aperture and hole depth
CN109444468B (en) Six-dimensional acceleration sensor based on micro-displacement parallel mechanism
CN201397109Y (en) Cylinder body bearing seat lateral face position inspection device
CN201331312Y (en) Vernier caliper capable of being adjusted to zero
CN213179810U (en) Measuring device for accurately measuring depth of deep inner hole groove and width of notch
CN214223955U (en) Universal angle ruler for engineering cost
CN211291279U (en) Deep hole bottom shallow spigot diameter measuring tool
CN211452162U (en) Detection mechanism for inner diameter of annular groove on inner side wall of cylindrical workpiece
CN212007041U (en) Caliper system for measuring contour dimension of bucket tooth
CN107677181A (en) A kind of measurement apparatus of component of machine
CN217256255U (en) Processing correcting needle for runner blade of hydraulic generator
CN212482356U (en) Inner groove checking fixture
CN203479225U (en) Spherical hole radius measuring tool
CN215766801U (en) Measuring device for conveniently measuring depth and width dimension of sealing groove

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant