CN108759886A - A kind of boiler small diameter pipe welded joint detection device - Google Patents

Abstract

The invention discloses a kind of boiler small diameter pipe welded joint detection devices,The top and bottom of the fixed link are separately installed with the first retainer plate and the second retainer plate,The fixed plate is connect with the second retainer plate,The necklace is mounted on the first retainer plate,The spiral pin is arranged in necklace one end,The both ends of the connecting plate are separately installed with convex plate and notch plate,There are two the fixed frames,And it is separately positioned on the top of convex plate and notch plate,The detector is arranged by nut between two fixed frames,The detection box is mounted on detector bottom end,And it is fixed on fixed frame by nut,The connection jaws are opened in detection cassette bottom end,The short chain and long chain link both ends are separately installed with convex plate and notch plate,The boiler small diameter pipe welded joint detection device,With when Welded Joints detect,To fixing up and down for detection device,In the rotation of connector surrounding when facilitating detection simultaneously,Comprehensive inspection of butt joint.

Description

A detection device for welded joints of boiler small-diameter tubes

technical field

The invention relates to the technical field of welded joint detection devices, in particular to a small-diameter boiler welding joint detection device.

Background technique

Boiler small-diameter pipe welding joint detection device is mainly suitable for the detection of small-diameter pipe welds in the electric power and petrochemical industries. The existing detection devices for small-diameter pipes cannot be fixed on the same horizontal line during detection, and the detection results are relatively affected by humans. ; 2. Existing detection device, when detecting, it is more complicated to replace parts, time-consuming and labor-intensive; 3. During detection, it is necessary to rotate the device to detect the welded joint for one week, the existing detection device is difficult to rotate, and when rotating It has a large friction force and affects the detection results.

Contents of the invention

The object of the present invention is to provide a detection device for welded joints of boiler small-diameter tubes, so as to solve the problems raised in the above-mentioned background technology.

In order to solve the above technical problems, the present invention provides the following technical solutions: a boiler small-diameter tube welding joint detection device, including a fixed rod, a first fixed ring, a second fixed ring, a fixed plate, a collar, a screw pin, a convex plate, a concave Shaped plate, connecting plate, fixed frame, nut, detection head, detection box, wiring port, short chain link, long chain link, first pin hole, second pin hole, third pin hole, pin, nut and rubber wheel ,

The upper end and the lower end of the fixed rod are respectively equipped with a first fixed ring and a second fixed ring, the fixed plate is connected with the second fixed ring, the collar is installed on the first fixed ring, and the screw pin is arranged on the collar One end, the two ends of the connecting plate are respectively equipped with a convex plate and a concave plate, and the tops of the convex plate and the concave plate are provided with a fixing frame, and the detection head is fixed between the two fixing frames through a nut. Between, the detection box is installed at the bottom of the detection head, and fixed on the fixed frame by nuts, the wiring port is opened at the bottom of the detection box, and the two ends of the short chain link and the long chain link are respectively installed with convex plates and the concave plate, the first pin hole is opened on the top of the convex plate, the second pin hole is opened on the top of the long chain link, the third pin hole is opened on the top of the concave plate, the first pin hole 1. A pin is installed in the second pin hole and the third pin hole, the nut is installed on one end of the pin, and the rubber wheel is installed on the other end of the pin.

Further, the fixing plate and the second fixing ring are fixed by bolts.

Further, the collar and the first fixing ring are fixed by bolts.

Further, the male plate and the concave plate are interpenetrated and connected by pins.

Further, the fixing plate and the connecting plate are connected by bolts.

Compared with the prior art, the beneficial effects achieved by the present invention are: the present invention, 1. through the fixed rod installed, the first fixed ring, the second fixed ring, fixed plate, collar and screw pin, the detection device is detected It can be fixed on the same horizontal line at the same time, avoiding the influence of human factors on the detection results during detection; 2. Through the installed convex plate, concave plate and pins, when the detection device detects different items, It is convenient to replace parts and reduce manpower and material resources; 3. Through the installed rubber wheel, the friction force is reduced when the detection device is rotated, the fit between the detection device and the welded joint is improved, and the accuracy of the detection result is improved.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is a schematic diagram of a connecting plate fixing structure of the present invention;

Fig. 3 is a schematic diagram of the detection chain link structure of the present invention;

Fig. 4 is a schematic diagram of the short chain link structure of the present invention;

Fig. 5 is a schematic diagram of the long chain link structure of the present invention;

Fig. 6 is a schematic view of the pin structure of the present invention;

In the figure: 1, fixed rod; 2, first fixed ring; 3, second fixed ring; 4, fixed plate; 5, collar; 6, screw pin; 7, convex plate; 8, concave plate; 9, Connecting plate; 10, fixed frame; 11, nut; 12, detection head; 13, detection box; 14, wiring port; 15, short chain link; 16, long chain link; 17, first pin hole; 18, second Pin hole; 19, the third pin hole; 20, pin; 21, nut; 22, rubber wheel.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-6, the present invention provides a technical solution: a boiler small-diameter tube welding joint detection device, including a fixed rod 1, a first fixed ring 2, a second fixed ring 3, a fixed plate 4, a collar 5, a screw Pin 6, convex plate 7, concave plate 8, connecting plate 9, fixed frame 10, nut 11, detection head 12, detection box 13, wiring port 14, short chain link 15, long chain link 16, first pin hole 17, the second pin hole 18, the third pin hole 19, the pin 20, the nut 21 and the rubber wheel 22,

The upper end and the lower end of the fixed rod 1 are respectively equipped with a first fixed ring 2 and a second fixed ring 3, the fixed plate 4 is connected with the second fixed ring 3, the collar 5 is installed on the first fixed ring 2, and the screw pin 6 is arranged on the collar 5, the two ends of the connecting plate 9 are respectively equipped with a convex plate 7 and a concave plate 8, and the tops of the convex plate 7 and the concave plate 8 are provided with a fixing frame 10, and the detection head 12 is fixed on the two ends by nuts 11. Between the fixed frames 10, the detection box 13 is installed on the bottom of the detection head 12, and is fixed on the fixed frame 10 by the nut 11, the wiring port 14 is opened at the bottom of the detection box 13, and the two ends of the short chain link 15 and the long chain link 16 The convex plate 7 and the concave plate 8 are respectively installed, the first pin hole 17 is opened on the top of the convex plate 7, the second pin hole 18 is opened on the top of the long chain link 16, and the third pin hole 19 is opened on the concave plate 8 At the top, a pin 20 is installed in the first pin hole 17 , the second pin hole 18 and the third pin hole 19 , the nut 21 is installed on one end of the pin 20 , and the rubber wheel 22 is installed on the other end of the pin 20 .

Further, the fixing plate 4 and the second fixing ring 3 are fixed by bolts, which facilitates the fixing of the fixing plate 4 .

Further, the collar 5 and the first fixing ring 2 are fixed by bolts, which facilitates the fixing of the collar 5 .

Further, the male plate 7 and the concave plate 8 are interspersed and connected through pins 20, which facilitates the connection between chain links.

Further, the fixing plate 4 and the connecting plate 9 are connected by bolts, which is convenient for fixing the connecting plate 9 .

Working principle: the upper end and the lower end of the fixed rod 1 are respectively equipped with a first fixed ring 2 and a second fixed ring 3, which is convenient for fixing the upper and lower positions between the fixed plate 4 and the collar 5, and the fixed plate 4 is connected with the second fixed ring 3, The collar 5 is installed on the first fixed ring 2, which is convenient for fixing the connecting plate 9, and the screw pin 6 is arranged at one end of the collar 5, which is convenient for zooming in and out of the collar 5, and this component allows the detection device to be fixed on the same horizontal line during detection, without Affected by manpower, it affects the test results; the two ends of the connecting plate 9 are respectively equipped with a convex plate 7 and a concave plate 8, which is convenient for connection with the chain link. There are two fixing frames 10, which are respectively arranged on the convex plate 7 and the top of the concave plate 8 are convenient for fixing the detection head 12, the detection head 12 is arranged between the two fixed frames 10 through the nut 11, the detection box 13 is installed at the bottom of the detection head 12, and is fixed on the fixed frame 10 by the nut 11 On the top, it is convenient to detect the welded joint. The wiring port 14 is opened at the bottom of the detection box 13, which is convenient for connecting the wires. The two ends of the short chain link 15 and the long chain link 16 are respectively equipped with a convex plate 7 and a concave plate 8, which is convenient for each The connection between the chain links makes it easy to replace parts when the detection device detects different items, and reduces the consumption of manpower and material resources; the first pin hole 17 is set on the top of the convex plate 7, and the second pin hole 18 is opened At the top of the long chain link 16, the third pin hole 19 is opened on the top of the concave plate 8 to facilitate the insertion connection of the pin 20, and the pin 20 is installed in the first pin hole 17, the second pin hole 18 and the third pin hole 19. , the nut 21 is installed on one end of the pin 20 to facilitate the fixing of the pin 20, and the rubber wheel 22 is installed on the other end of the pin 20 to facilitate the detection of the rotation of the welded joint, and the installed rubber wheel 22 reduces friction when rotating the detection device. , improve the fit between the detection device and the welded joint, and improve the accuracy of the detection results.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (5)

1. a kind of boiler small diameter pipe welded joint detection device, including fixed link（1）, the first retainer plate（2）, the second retainer plate （3）, fixed plate（4）, necklace（5）, spiral pin（6）, convex plate（7）, notch plate（8）, connecting plate（9）, fixed frame（10）, nut （11）, detector（12）, detection box（13）, connection jaws（14）, short chain（15）, long chain link（16）, the first pin hole（17）, second Pin hole（18）, third pin hole（19）, pin（20）, nut（21）And rubber wheel（22）, it is characterised in that：

The fixed link（1）Top and bottom be separately installed with the first retainer plate（2）With the second retainer plate（3）, the fixation Plate（4）With the second retainer plate（3）Connection, the necklace（5）Mounted on the first retainer plate（2）On, the spiral pin（6）It is arranged in item Circle（5）One end, the connecting plate（9）Both ends respectively correspondence convex plate is installed（7）And notch plate（8）, the convex plate（7） And notch plate（8）Top be both provided with fixed frame（10）, the detector（12）Pass through nut（11）It is fixed on two fixed frames （10）Between, the detection box（13）Mounted on detector（12）Bottom end, and pass through nut（11）It is fixed on fixed frame（10）On, The connection jaws（14）It is opened in detection box（13）Bottom end, the short chain（15）With long chain link（16）Both ends are separately installed with convex Template（7）And notch plate（8）, first pin hole（17）It is opened in convex plate（7）Top, second pin hole（18）It is opened in Long chain link（16）Top, the third pin hole（19）It is opened in notch plate（8）Top, first pin hole（17）, the second pin hole （18）With third pin hole（19）Inside it is mounted on pin（20）, the nut（21）Mounted on pin（20）One end, the rubber Wheel（22）Mounted on pin（20）The other end.

2. a kind of boiler small diameter pipe welded joint detection device according to claim 1, it is characterised in that：The fixed plate （4）With the second retainer plate（3）Between be bolted.

3. a kind of boiler small diameter pipe welded joint detection device according to claim 1, it is characterised in that：The necklace （5）With the first retainer plate（2）Between be bolted.

4. a kind of boiler small diameter pipe welded joint detection device according to claim 1, it is characterised in that：The convex plate （7）And notch plate（8）Between pass through pin（20）Interspersed connection.

5. a kind of boiler small diameter pipe welded joint detection device according to claim 1, it is characterised in that：The fixed plate （4）With connecting plate（9）Between be bolted.