CN216593220U

CN216593220U - Contrast type wall thickness detection equipment

Info

Publication number: CN216593220U
Application number: CN202122482636.2U
Authority: CN
Inventors: 李佳
Original assignee: Hebei Jingdong Pipe Industry Co ltd
Current assignee: Hebei Jingdong Pipe Industry Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-05-24
Anticipated expiration: 2031-10-15

Abstract

The utility model relates to the technical field of equipment for casting pipes, in particular to contrast type wall thickness detection equipment. The pipe fitting that awaits measuring is fixed to the measuring table, the right side of measuring table is equipped with the track that sets up with the pipe fitting syntropy that awaits measuring, the travelling car is in move on the track, the bottom of branch with the one end rigid coupling of travelling car, the right-hand member of cantilever with the top of branch is connected, the cantilever is parallel with the axis of the pipe fitting that awaits measuring on the measuring table, the wall thickness distancer is installed the left end of cantilever, be equipped with actuating mechanism on the travelling car, the travel distancer is installed on the travelling car. The wall thickness is detected by adopting a mode of comparison of the laser range finders, and the lifting mechanism can enable the equipment to be matched with the monitoring requirements of the pipes to be detected with different pipe diameters. The manpower is saved, the labor cost is reduced, and automatic detection is realized. The branch-by-branch detection is realized under the condition of not damaging the pipe.

Description

Contrast type wall thickness detection equipment

Technical Field

The utility model relates to the technical field of equipment for casting pipes, in particular to contrast type wall thickness detection equipment.

Background

The wall thickness of the pipe needs to be detected in the production of the ductile cast iron pipe, and the maximum thickness difference value of the pipe wall meets the specification of the industrial standard. At present, an ultrasonic wall thickness detector is used for detecting wall thickness, the requirement of the ultrasonic detector on a contact surface is high, and the density of a pipe wall is required to be as uniform as possible. At present, the detection pipe is manually selected for detection, detection can be performed only after the detection points are polished smoothly by manpower, the efficiency is low, detection is difficult to be performed one by one, and the working efficiency is low and inconvenient.

Disclosure of Invention

The utility model provides contrast type wall thickness detection equipment which can improve the convenience of wall thickness detection and is convenient to operate and use.

The utility model solves the technical problem by the following technical proposal,

the utility model provides a contrast formula wall thickness check out test set, includes measuring table, travelling car, range finder, cantilever, branch and wall thickness range finder, the fixed pipe fitting that awaits measuring of measuring table, the right side of measuring table is equipped with the track that sets up with the pipe fitting syntropy that awaits measuring, the travelling car is in move on the track, the bottom of branch with the one end rigid coupling of travelling car, the right-hand member of cantilever with the top of branch is connected, the cantilever is parallel with the axis of the pipe fitting that awaits measuring on the measuring table, the wall thickness range finder is installed the left end of cantilever, be equipped with actuating mechanism on the travelling car, the range finder is installed on the travelling car.

Above-mentioned contrast formula wall thickness check out test set, the cantilever is two parallel arrangement's connecting rod, the wall thickness distancer is laser range finder, the wall thickness distancer is equipped with two, the wall thickness distancer symmetry is installed the inboard of two connecting rods, the centre of a circle of the pipe fitting that awaits measuring is located on the extension line of the line of laser detection detector.

According to the contrast type wall thickness detection equipment, a lifting mechanism is further arranged between the support rod and the movable trolley, and the lifting mechanism can control the lifting of the cantilever.

According to the contrast type wall thickness detection equipment, the movable trolley is provided with the balancing weight, and the movable trolley is connected with the track through the gear rack structure.

Compared with the prior art, the wall thickness is detected by adopting a laser range finder contrast mode, and the lifting mechanism can enable the equipment to be matched with the monitoring requirements of pipes to be detected with different pipe diameters. The manpower is saved, the labor cost is reduced, and automatic detection is realized. The detection of one branch by one branch is realized under the condition of not damaging the pipe.

Drawings

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

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

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

reference numerals in the drawings denote: 1. the device comprises a measuring table, 2. a moving trolley, 3. a travel distance meter, 4. a cantilever, 5. a support rod, 6. a wall thickness distance meter, 7. a pipe fitting to be measured, 8. a lifting mechanism, 9. a balancing weight and 10. a track.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples serve to illustrate the utility model.

Referring to fig. 1 to 3, the utility model comprises a measuring table 1, a moving trolley 2, a cantilever 4, a support rod 5 and a wall thickness distance meter 6, wherein the measuring table 1 is used for fixing a pipe fitting 7 to be measured, the bottom of the support rod 5 is fixedly connected with one end of the moving trolley 2, the right end of the cantilever 4 is connected with the top of the support rod 5, the cantilever 4 is parallel to the axis of the pipe fitting 7 to be measured on the measuring table 1, the wall thickness distance meter 6 is arranged at the left end of the cantilever 4, the moving trolley 2 is provided with a driving mechanism, and the travel distance meter 3 is arranged on the moving trolley 2. During operation, the pipe fitting 7 to be measured is placed on the measuring table 1, then the movable trolley 2 stretches the cantilever 4 into the pipe fitting 7 to be measured, and the wall thickness distance measuring instrument 6 at the end part of the cantilever 4 can perform multi-point position measurement on different depths of the pipe fitting 7 to be measured, so that the maximum difference value of the pipe wall thickness can be calculated. Before detection, equidistant measuring points are arranged at the top of the pipe wall, the measuring points are all located at the highest point of the pipe fitting 7 to be measured, so that the measuring points can be connected into a straight line, in order to ensure that the movement of the wall thickness distance measuring instrument 6 can move along the straight line reciprocating motion connected with the measuring points, the right side of the measuring table 1 is provided with a track 10 which is arranged in the same direction as the pipe fitting 7 to be measured, the moving trolley 2 moves on the track to ensure that the wall thickness distance measuring instrument can be moved to the positions of all the measuring points to be measured only by moving the moving trolley 2 left and right, and the operation is simple and convenient. The travel distance meter 3 is convenient for mastering the travel distance of the movable trolley 2 and is beneficial to the accurate arrival of the wall thickness distance meter 6 at the position of a measuring point. In order to improve the stability of the pipe fitting 7 to be detected on the measuring table 1, the measuring table 1 is provided with an elongated slot with an arc-shaped bottom wall, and during detection, the pipe fitting 7 to be detected is transversely arranged on the elongated slot of the detecting table to avoid rolling.

In order to improve measuring accuracy, cantilever 4 is equipped with two upper and lower parallel arrangement's connecting rod, wall thickness distancer 6 is laser range finder, wall thickness distancer 6 is equipped with two, 6 symmetries of wall thickness distancer are installed the inboard of two connecting rods, when measuring, the lateral wall of the pipe fitting 7 that awaits measuring is located between two connecting rods, the centre of a circle of the pipe fitting 7 that awaits measuring is located on the extension line of laser range finder's line. The top of the pipe to be measured is provided with a plurality of measuring points, two laser range finders are shot from two sides of the measuring points of the pipe wall, the wall thickness range finder 6 can measure the measuring points with different pipe walls by moving the movable trolley 2, the laser range finder at the lower side can measure the distance L between the inner pipe wall and the connecting rod at the measuring points, the laser range finder at the upper side can measure the distance L between the outer pipe wall and the connecting rod at the measuring points, the distance between the two connecting rods is S, and the wall thickness D = S-L-L of the measuring points.

In order to match pipes 7 to be measured with different pipe diameters, a lifting mechanism 8 is further arranged between the support rod 5 and the movable trolley 2, and the lifting mechanism 8 can control the lifting of the cantilever 4. Preferably, the lift is purchased for pneumatic cylinder or electric cylinder, can make wall thickness distancer 6's height carry out lift adjustment through the height of adjustment cantilever 4, and it is convenient to use.

In order to balance the weight of the cantilever 4 and ensure the stability of the moving trolley 2, the moving trolley 2 is provided with a balancing weight 9, preferably, the moving trolley 2 is connected with the track 10 through a gear and rack structure, the rack is arranged on the track, and the gear is arranged on the moving trolley 2, so that the moving trolley 2 can move along the trend of the track 10 through the gear and rack structure, the track is consistent with the central line of the pipe fitting 7 to be measured, and thus, the laser distance measuring instrument at the end part of the cantilever 4 can move along the top end of the transverse pipe fitting 7 to be measured as long as the moving trolley 2 moves along the track.

The working process is as follows: during detection, according to the pipe diameter adjustment elevating system of the pipe fitting that awaits measuring, thereby make the height of laser range finder and the top phase-match of pipe fitting, make the top of the pipe fitting that awaits measuring can advance like in the middle of two connecting rods, start the travelling car, make laser range finder move to the pipe fitting that awaits measuring, the distance of marcing of travelling car can be measured to the stroke range finder, with the measuring point that matches the equidistance setting, the wall thickness range finder on the cantilever carries out the range finding, then the wall thickness of every measuring point is calculated and calculated, calculate the difference to the wall thickness at last and can accomplish the detection.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A contrast type wall thickness detection device is characterized by comprising a measuring table (1), a mobile trolley (2), a travel distance meter (3), a cantilever (4), a support rod (5) and a wall thickness distance meter (6), the measuring table (1) fixes the pipe fitting (7) to be measured, the right side of the measuring table (1) is provided with a track (10) which is arranged in the same direction as the pipe fitting (7) to be measured, the moving trolley (2) moves on the track, the bottom of the support rod (5) is fixedly connected with one end of the moving trolley (2), the right end of the cantilever (4) is connected with the top of the supporting rod (5), the cantilever (4) is parallel to the axis of a pipe fitting (7) to be measured on the measuring table (1), the wall thickness range finder (6) is installed at the left end of the cantilever (4), the moving trolley (2) is provided with a driving mechanism, and the stroke range finder (3) is installed on the moving trolley (2).

2. The contrast-type wall thickness detection device according to claim 1, wherein the cantilever (4) is formed by two parallel connecting rods, the wall thickness distance measuring instrument (6) is formed by two laser distance measuring instruments, the wall thickness distance measuring instruments (6) are arranged in two numbers, the wall thickness distance measuring instruments (6) are symmetrically arranged on the inner sides of the two connecting rods, and the center of the to-be-measured pipe (7) is located on the extension line of the connecting line of the laser distance measuring instruments.

3. The contrasting wall thickness detection apparatus according to claim 2, wherein a lifting mechanism (8) is further provided between the support bar (5) and the moving trolley (2), and the lifting mechanism (8) can control the lifting of the cantilever (4).

4. The contrasting wall thickness measuring device according to claim 3, wherein said moving trolley (2) is provided with a counterweight (9).