CN210135857U

CN210135857U - Detection and measurement device for threaded joint

Info

Publication number: CN210135857U
Application number: CN201921285668.XU
Authority: CN
Inventors: 祁道利; 周玲
Original assignee: Funing Zhongzi Ship Accessories Co Ltd
Current assignee: Funing Zhongzi Ship Accessories Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-03-10
Anticipated expiration: 2029-08-08

Abstract

The utility model relates to the technical field of measuring tools for threaded joints, and discloses a measuring device for threaded joints, which comprises a bottom plate, wherein support columns are fixedly arranged at two ends of the top of the bottom plate, length scales are arranged on the support columns, a moving ring is slidably sleeved at the periphery of each support column, connecting rods are fixedly arranged at the outer sides of the moving rings, and a fixed plate is fixedly arranged between the two connecting rods; the bottom plate is characterized in that a connecting groove is formed in one end of the bottom plate, an adjusting groove is formed in the top of the bottom plate, the adjusting groove and the connecting groove are communicated with each other, and a moving rod is connected in the connecting groove in a sliding mode. This screwed joint is with detecting measuring device places screwed joint on the bottom plate to make screwed joint cover on two connecting pieces, later the fixed plate moves down automatically under the effect of gravity and contacts with screwed joint, thereby reads out the scale at shift ring place through the length scale on the support column, thereby measures length.

Description

Detection and measurement device for threaded joint

Technical Field

The utility model relates to a screwed joint measuring tool technical field specifically is a screwed joint is with detecting measuring device.

Background

The threaded joint is a pipeline connecting piece with threads, is the most common pipe fitting in industry and life, enables the connection of pipelines to be simpler, is easier to disassemble and replace, greatly saves the cost of pipeline connection, and has high strength, good ductility and capacity of fully playing the strength and ductility of a steel bar base metal.

A certain number of joints can be randomly extracted to measure the size of the threaded joint during detection, so that whether a product is qualified or not is judged, and at present, the inner diameter is difficult to find due to the fact that an inner measuring claw is used for finding the inner diameter when the inner diameter is measured through a vernier caliper, and measured data are prone to having deviation, so that the detection and measurement device for the threaded joint is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a screwed joint is with detecting measuring device possesses the advantage of being convenient for look for the internal diameter, has solved at present through slide caliper in measuring, because interior measuring jaw is when measuring the internal diameter, relies on and feels to go to look for, is difficult to find the internal diameter, makes the problem that measured data has the deviation easily.

The utility model provides a following technical scheme: a detection and measurement device for a threaded joint comprises a bottom plate, wherein support columns are fixedly mounted at two ends of the top of the bottom plate, length scales are arranged on the support columns, moving rings are sleeved on the peripheries of the support columns in a sliding mode, connecting rods are fixedly mounted on the outer sides of the moving rings, and a fixing plate is fixedly mounted between the two connecting rods;

the connecting groove has been seted up to the one end of bottom plate, the adjustment tank has been seted up at the top of bottom plate, communicate each other between adjustment tank and the connecting groove, sliding connection has the carriage release lever in the connecting groove, the top of carriage release lever and the top fixed mounting of bottom plate have the connecting piece, the connecting piece at carriage release lever top passes through the top that the adjustment tank extended to the bottom plate, the carriage release lever is the rectangle, and the front of carriage release lever is provided with the diameter scale, the back of carriage release lever is provided with the internal diameter scale.

Preferably, the connecting piece comprises threaded rod, stopper, fixed pipe and nut, stopper fixed mounting is on the threaded rod, fixed pipe activity cup joints on the threaded rod, and the top threaded connection of nut and threaded rod, fixed pipe sets up between stopper and nut.

Preferably, the threaded rod is located the top of stopper and slides and cup joints a plurality of bearings, and the inboard and the bearing outside contact of fixed pipe.

Preferably, an adjusting handle is fixedly installed at one end of the moving rod, which is located at the outer side of the bottom plate.

Preferably, the bottom plate and the fixing plate are parallel to each other.

Preferably, the top of the supporting column is provided with a protruding block.

Compared with the prior art, the utility model discloses possess following beneficial effect:

the detection and measurement device for the threaded joint is characterized in that the threaded joint is placed on the bottom plate and sleeved on the two connecting pieces, then the fixed plate automatically moves downwards to be in contact with the threaded joint under the action of gravity, so that the scale on which the moving ring is positioned is read out through the length scale on the supporting column, thereby measuring the length, the moving rod is pulled to drive the connecting piece on the moving rod to move, and after the connecting piece is contacted with the inner wall of the threaded joint, because the connecting piece can rotate, under the tension of the movable rod, the two connecting pieces and the circle center are positioned on the same straight line, so that the inner diameter is measured, the accurate numerical value of the inner diameter is checked through the back surface of the movable rod, and extrude screwed joint through two connecting pieces for two connecting pieces are in same straight line with the centre of a circle, thereby measure the diameter, and look over accurate diameter numerical value through the front of carriage release lever.

Drawings

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

FIG. 2 is a schematic structural view of the bottom plate of the present invention;

fig. 3 is a schematic structural diagram of the connecting member of the present invention.

In the figure: 1. a base plate; 2. a support pillar; 3. a moving ring; 4. a connecting rod; 5. a fixing plate; 6. connecting grooves; 7. an adjustment groove; 8. a travel bar; 9. a connecting member; 91. a threaded rod; 92. a limiting block; 93. a fixed tube; 94. and a nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect.

To maintain the following description of the embodiments of the present disclosure clear and concise, detailed descriptions of known functions and known components are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1-3, a detection and measurement device for a threaded joint comprises a base plate 1, wherein support columns 2 are fixedly mounted at two ends of the top of the base plate 1, length scales are arranged on the support columns 2, a moving ring 3 is slidably sleeved on the periphery of each support column 2, connecting rods 4 are fixedly mounted on the outer sides of the moving rings 3, a fixed plate 5 is fixedly mounted between the two connecting rods 4, and the length of the threaded joint is measured through the distance between the base plate 1 and the fixed plate 5;

spread groove 6 has been seted up to bottom plate 1's one end, adjustment tank 7 is seted up at bottom plate 1's top, communicate each other between adjustment tank 7 and the spread groove 6, sliding connection has carriage release lever 8 in the spread groove 6, carriage release lever 8's top and bottom plate 1's top fixed mounting has connecting piece 9, the connecting piece 9 at carriage release lever 8 top extends to bottom plate 1's top through adjustment tank 7, carriage release lever 8 is the rectangle, and carriage release lever 8's front is provided with the diameter scale, carriage release lever 8's back is provided with the internal diameter scale, two connecting pieces 9 are measured threaded joint's internal diameter and external diameter, and read out the numerical value of diameter and internal diameter through the scale of front and the back on carriage.

In an alternative embodiment, the connecting member 9 is composed of a threaded rod 91, a limiting block 92, a fixing tube 93 and a nut 94, the limiting block 92 is fixedly installed on the threaded rod 91, the fixing tube 93 is movably sleeved on the threaded rod 91, the nut 94 is in threaded connection with the top of the threaded rod 91, the fixing tube 93 is arranged between the limiting block 92 and the nut 94, the fixing tube 93 is limited on the threaded rod 91 through the nut 94, so that the fixing tube 93 rotates on the threaded rod 91, and the connecting member 9 can find the diameter of the connecting member through the rotation of the fixing tube 93.

In an alternative embodiment, the threaded rod 91 is slidably sleeved with a plurality of bearings above the limit block 92, and the inner side of the fixed tube 93 is in contact with the outer side of the bearings, so that the fixed tube 93 is convenient to rotate through the bearings, and the fixed tube 93 can be conveniently rotated on the inner side of the threaded joint.

In an alternative embodiment, an adjusting handle is fixedly installed at one end of the moving rod 8 located at the outer side of the bottom plate 1, so that the position of the moving rod 8 can be adjusted through the adjusting handle, thereby controlling the positions of the two connecting pieces 9.

In an alternative embodiment, the bottom plate 1 and the fixing plate 5 are parallel to each other, and the measured data of the parallel measurement of the two are more accurate.

In an alternative embodiment, the top of the support column 2 is provided with a protruding block to prevent the shift ring 8 from moving out of the top of the support column 2.

The working principle is as follows: the screwed joint is placed on the bottom plate 1 and is sleeved on the two connecting pieces 9, then the fixed plate 5 automatically moves downwards to be contacted with the screwed joint under the action of gravity, so that the scale on which the moving ring 3 is located is read by the length scale on the support column 2, thereby measuring the length, and the moving rod 8 is pulled, so that the moving rod 8 drives the connecting piece 9 on the moving rod to move, and after the connecting piece 9 is contacted with the inner wall of the threaded joint, because the connecting piece 9 rotates, under the tension of the movable rod 8, the two connecting pieces 9 are positioned on the same straight line with the circle center, so as to measure the inner diameter, the accurate numerical value of the inner diameter is checked through the back of the movable rod 8, and the threaded joint is extruded through the two connecting pieces 9, so that the two connecting pieces 9 are positioned on the same straight line with the circle center, the diameter is measured, and an accurate diameter value is checked through the front surface of the moving rod 8.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims

1. The utility model provides a screwed joint is with detecting measuring device, includes bottom plate (1), its characterized in that: support columns (2) are fixedly mounted at two ends of the top of the bottom plate (1), length scales are arranged on the support columns (2), a moving ring (3) is sleeved on the periphery of each support column (2) in a sliding mode, connecting rods (4) are fixedly mounted on the outer side of each moving ring (3), and a fixing plate (5) is fixedly mounted between the two connecting rods (4);

spread groove (6) have been seted up to the one end of bottom plate (1), adjustment tank (7) are seted up at the top of bottom plate (1), communicate each other between adjustment tank (7) and spread groove (6), sliding connection has carriage release lever (8) in spread groove (6), the top of carriage release lever (8) and the top fixed mounting of bottom plate (1) have connecting piece (9), connecting piece (9) at carriage release lever (8) top extend to the top of bottom plate (1) through adjustment tank (7), carriage release lever (8) are the rectangle, and the front of carriage release lever (8) is provided with the diameter scale, the back of carriage release lever (8) is provided with the internal diameter scale.

2. The inspection and measurement device for a threaded joint according to claim 1, wherein: connecting piece (9) comprise threaded rod (91), stopper (92), fixed pipe (93) and nut (94), stopper (92) fixed mounting is on threaded rod (91), fixed pipe (93) activity cup joints on threaded rod (91), and the top threaded connection of nut (94) and threaded rod (91), fixed pipe (93) set up between stopper (92) and nut (94).

3. The inspection and measurement device for a threaded joint according to claim 2, wherein: the threaded rod (91) is located above the limiting block (92) and is sleeved with a plurality of bearings in a sliding mode, and the inner side of the fixing pipe (93) is in contact with the outer sides of the bearings.

4. The inspection and measurement device for a threaded joint according to claim 1, wherein: and an adjusting handle is fixedly arranged at one end of the moving rod (8) positioned on the outer side of the bottom plate (1).

5. The inspection and measurement device for a threaded joint according to claim 1, wherein: the bottom plate (1) and the fixing plate (5) are parallel to each other.

6. The inspection and measurement device for a threaded joint according to claim 1, wherein: the top of the supporting column (2) is provided with a protruding block.