CN217878237U - Rod-made flange ball valve welding seam inspection device - Google Patents
Rod-made flange ball valve welding seam inspection device Download PDFInfo
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- CN217878237U CN217878237U CN202222363567.8U CN202222363567U CN217878237U CN 217878237 U CN217878237 U CN 217878237U CN 202222363567 U CN202222363567 U CN 202222363567U CN 217878237 U CN217878237 U CN 217878237U
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Abstract
The utility model discloses a bar manufacturing flange ball valve weld joint inspection device; belongs to the technical field of ball valve detection devices; the technical key points of the device comprise a detection tank, wherein the bottom of the detection tank is in conduction connection with a reciprocating water supply mechanism; a fixed seat which is matched with the ball valve to be detected is arranged on the side wall of the detection groove, and a movable seat which is matched with the fixed seat is connected in the detection groove through a horizontal telescopic mechanism; the fixed seat is provided with a first flow guide hole and a first pressure detection structure which is communicated with the first flow guide hole and is matched with a flange end annular welding line on one end of the ball valve to be detected; a second flow guide hole for communicating the overflowing hole of the ball valve to be detected and a second pressure detection structure for communicating the second flow guide hole with the annular welding line of the flange end part on the other end of the ball valve to be detected are arranged on the movable seat; the utility model aims to provide a rod-made blue ball valve weld joint inspection device which has compact structure, simple operation and high inspection accuracy; the method is used for ball valve weld seal detection.
Description
Technical Field
The utility model relates to a flange ball valve auxiliary detection frock, more specifically say, especially relate to a blue ball valve welding seam verifying attachment of stick preparation method.
Background
The flange ball valve made of bar stock is widely used in the industries of food, pharmacy, chemical industry and the like. The material has good compactness, no blank defects caused by casting and other factors, and high market share. Because the rod is made into the flange ball valve, the flange is also made of bar stock or forged piece, the flange is tightly screwed and matched with two ends of the valve body by processing threads, and then welding grooves are formed on the flange surfaces of the two ends for welding, thereby ensuring the strength and the sealing property of the valve. Therefore, it is important to inspect the weld. At present, because the inspection equipment is unreasonable, two ends need to be respectively operated during inspection, and the defects of complex inspection and low efficiency exist. Meanwhile, due to the unreasonable structure of the equipment, the conditions of missing detection and wrong detection often occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to above-mentioned prior art not enough, provide a compact structure, easy and simple to handle and the excellent preparation blue ball valve welding seam verifying attachment that the check accuracy is high.
The technical scheme of the utility model is realized like this: the device for detecting the welding seam of the rod-made flange ball valve comprises a detection groove, wherein the bottom of the detection groove is in conduction connection with a reciprocating water supply mechanism.
The side wall of the detection groove is provided with a fixed seat matched with the ball valve to be detected, and the detection groove is internally connected with a movable seat which is opposite to the fixed seat and matched with the ball valve to be detected through a horizontal telescopic mechanism.
The fixed seat is provided with a first flow guide hole for communicating an external compressed air source and an overflowing hole of the ball valve to be detected and a first pressure detection structure which is communicated with the first flow guide hole and is matched with a flange end annular welding line at one end of the ball valve to be detected.
A second flow guide hole which is communicated with the overflowing hole of the ball valve to be detected and a second pressure detection structure which is communicated with the second flow guide hole and is matched with the annular welding line of the flange end part on the other end of the ball valve to be detected are arranged on the movable seat; and sealing components are arranged between the fixed seat and the movable seat and between the outer end faces of the ball valves to be inspected.
In the above rod-made flange ball valve weld inspection device, the reciprocating water supply mechanism comprises a water storage cylinder, and a piston assembly which is matched with the inner diameter of the water storage cylinder is vertically arranged in the water storage cylinder; one side surface of the piston assembly is connected with a piston assembly rod of the air cylinder, the other side surface of the piston assembly is matched with the water storage cylinder to form a sealed water chamber, a through hole is formed in the inner wall, away from the air cylinder, of the water storage cylinder corresponding to the sealed water chamber, and the through hole is in conduction connection with the bottom of the detection groove through a guide pipe.
In the above rod-made flange ball valve weld inspection device, the horizontal telescopic mechanism comprises an inner threaded sleeve which is horizontally arranged on the outer wall of the detection groove and is communicated with the inner groove body of the detection groove, and a compression screw is connected with the inner threaded sleeve in a threaded manner.
The inner end of the compression screw is rotationally connected with the movable seat, and the outer end of the compression screw is connected with an operating hand wheel; a water seal gasket is arranged between the compression screw and the inner groove wall of the detection groove.
In the device for testing the welding seam of the blue ball valve manufactured by the rod, the connecting ring matched with the compression screw is arranged on the back of the movable seat, the annular limiting groove is formed in the outer wall of the compression screw in the connecting ring along the circumferential direction, a plurality of mounting holes opposite to the annular limiting groove are uniformly distributed in the connecting ring at intervals in the circumferential direction, and cylindrical pins matched with the annular limiting groove are arranged in the mounting holes.
In the rod-made flange ball valve weld joint inspection device, the outer end face of the fixed seat is formed with a first positioning groove which is matched with flanges at two ends of a ball valve to be inspected, the back of the fixed seat is provided with a positioning boss, and the side wall of the detection groove is provided with a positioning groove which is matched with the positioning boss; an annular groove is formed in the side wall of the positioning boss along the circumferential direction, and a first sealing rubber ring is sleeved in the annular groove.
In the device for detecting the welding seam of the flange ball valve manufactured by the bar, the first flow guide hole is horizontally arranged on the fixed seat and penetrates through two ends of the fixed seat, an air inlet pipe which is communicated with an inner cavity of the detection groove and communicated with the first flow guide hole is arranged on the outer wall of the detection groove, a pressure gauge is arranged on the air inlet pipe, and the air inlet pipe is communicated with an external compressed air source.
First pressure detection structure includes along the radial setting of fixing base on the fixing base lateral wall and switches on the first drainage hole in first water conservancy diversion hole and switch on first drainage hole and wait to examine the second drainage hole of the flange end portion annular welding seam of ball valve terminal surface, is provided with first end cap in first drainage hole outer end.
Two second sealing rubber rings are arranged on the outer end face of the fixing seat at intervals, are concentric with the first flow guide hole and are respectively positioned on two sides of the second flow guide hole.
In the above rod-made flange ball valve weld inspection device, the second flow guide hole is a blind hole and is horizontally arranged on the outer end face of the movable seat.
The second pressure detection structure comprises a third drainage hole and a fourth drainage hole, wherein the third drainage hole is arranged on the side wall of the movable seat along the radial direction of the movable seat and is communicated with the second diversion hole, the third drainage hole is communicated with a flange end annular welding line of the end face of the ball valve to be detected, and a second plug is arranged at the outer end of the fourth drainage hole.
Two third sealing rubber rings are arranged on the outer end face of the movable seat at intervals, are concentric with the second diversion hole and are respectively positioned on two sides of the fourth diversion hole.
The utility model adopts the above structure after, through the sliding seat that sets up fixing base and connection level telescopic machanism in detecting groove, set up respectively simultaneously on fixing base and sliding seat and wait to examine the ball valve and overflow first water conservancy diversion hole and the second water conservancy diversion hole that the hole switched on mutually, the first water conservancy diversion hole of rethread and second water conservancy diversion hole cooperate with corresponding first pressure detection structure and second pressure detection structure respectively, a clamping, realize simultaneously examining the welding seam at flange ball valve both ends promptly, not only easy and simple to handle, and efficiency is showing and is improving. With the help of the overflowing hole of the ball valve to be inspected, the two sides of the valve are skillfully communicated to detect the structure, the overflowing hole can be detected, and the quality performance of the ball valve can be inspected while the welding line is inspected.
Drawings
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
fig. 3 is a partially enlarged schematic view at B in fig. 1.
In the figure: 1. a detection tank; 1a, a positioning groove; 2. a reciprocating water supply mechanism; 2a, a water storage cylinder; 2b, a piston assembly; 2c, a cylinder; 3. a fixed seat; 3a, first flow guide holes; 3b, a first positioning groove; 3c, positioning a boss; 3d, a first sealing rubber ring; 4. a horizontal telescoping mechanism; 4a, an inner sleeve; 4b, a compression screw; 4c, operating a hand wheel; 4d, a water seal gasket; 4e, an annular limiting groove; 5. a movable seat; 5a, second flow guide holes; 5b, a connecting ring; 5c, a cylindrical pin; 6. an air inlet pipe; 7. a pressure gauge; 8. a first drainage aperture; 9. a second drainage hole; 10. a first plug; 11. a second sealing rubber ring; 12. a third drainage aperture; 13. a fourth drainage aperture; 14. a second plug; 15. and a third sealing rubber ring.
Detailed Description
Referring to fig. 1 to 3, the utility model discloses a stick preparation blue ball valve welding seam verifying attachment, including detecting groove 1, it has reciprocal water supply mechanism 2 to detect 1 bottom turn-on connection in groove. In this embodiment, the reciprocating water supply mechanism 2 includes a water storage cylinder 2a, a piston assembly 2b adapted to the inner diameter of the water storage cylinder 2a is vertically arranged in the water storage cylinder 2a, and the piston assembly is in the prior art and mainly comprises a core print and a sealing ring at the side of the core print. One side surface of the piston assembly 2b is connected with a piston assembly rod of the cylinder 2c, the other side surface of the piston assembly is matched with the water storage cylinder 2a to form a sealed water chamber, a through hole is formed in the inner wall of one side, away from the cylinder 2c, of the water storage cylinder 2a corresponding to the sealed water chamber, and the through hole is in conduction connection with the bottom of the detection groove 1 through the guide pipe 2 d. The piston assembly is driven to horizontally move through the stretching of the air cylinder, water is pressed into the detection groove during detection, and after the detection is finished, water is pumped into the water storage cylinder.
Be provided with the fixing base 3 that suits with the ball valve that waits to examine at detection groove 1 lateral wall, be connected with through horizontal telescopic machanism 4 in detecting groove 1 with fixing base 3 relative and with wait to examine the sliding seat 5 that the ball valve suited. In this embodiment, the horizontal telescopic mechanism 4 includes an inner threaded sleeve 4a which is horizontally arranged on the outer wall of the detection groove 1 and is communicated with the inner groove body of the detection groove 1, and a compression screw rod 4b is connected with the inner threaded sleeve 4a in a threaded manner.
The inner end of the compression screw rod 4b is rotationally connected with the movable seat 5, and the outer end is connected with an operating hand wheel 4c; a water seal gasket 4d is arranged between the compression screw rod 4b and the inner groove wall of the detection groove 1.
Of course, if a higher degree of automation is desired, the horizontal telescoping mechanism may also replace the manipulator with a motor or other automated power source as is conventional in the art, as will also be apparent to those skilled in the art.
The fixed seat 3 is provided with a first diversion hole 3a for communicating an external compressed air source and a flowing hole of the ball valve to be detected and a first pressure detection structure which is communicated with the first diversion hole 3a and is matched with an annular welding seam at the flange end part of one end of the ball valve to be detected.
And a second flow guide hole 5a for communicating the overflowing hole of the ball valve to be inspected and a second pressure detection structure which is communicated with the second flow guide hole 5a and is matched with the annular welding line of the flange end part at the other end of the ball valve to be inspected are arranged on the movable seat 5. And sealing components are arranged between the fixed seat 3 and the movable seat 5 and the outer end face of the ball valve to be inspected.
The pressure detection structure that the overflowing hole of the ball valve to be detected is conducted on two sides is skillfully adopted, so that the welding seams at two ends can be simultaneously detected, and the detection efficiency can be greatly improved.
Preferably, the back of the movable seat 5 is provided with a connecting ring 5b adapted to the compression screw rod 4b, an annular limiting groove 4e is formed on the outer wall of the compression screw rod 4b in the connecting ring 5b along the circumferential direction, the connecting ring 5b is not provided with a plurality of mounting holes opposite to the annular limiting groove 4e at intervals in the circumferential direction, and cylindrical pins 5c matched with the annular limiting groove 4e are arranged in the mounting holes. Therefore, when the operating hand wheel works, the movable seat can horizontally move under the static state.
Further preferably, in order to facilitate the disassembly and assembly, a first positioning groove 3b which is matched with flanges at two ends of the ball valve to be detected is formed on the outer end face of the fixed seat 3, a positioning boss 3c is arranged on the back face of the fixed seat 3, and a positioning groove 1a which is matched with the positioning boss 3c is arranged on the side wall of the detection groove 1; an annular groove is formed in the side wall of the positioning boss 3c along the circumferential direction, and a first sealing rubber ring 3d is sleeved in the annular groove. According to the structure, the fixed seat can be relatively assembled and disassembled in the detection groove, the operation is very convenient, and the fixed seat is easy to replace to adapt to the detection of ball valves with different specifications.
Further preferably, first water conservancy diversion hole 3a level sets up on fixing base 3 and runs through fixing base 3 both ends, is provided with the intake pipe 6 that switches on and detect 1 inner chamber in groove and switch on mutually with first water conservancy diversion hole 3a on detecting 1 outer wall in groove, is provided with manometer 7 in intake pipe 6, intake pipe 6 and outside compressed air source conducting connection.
First pressure detection structure includes along 3 radial settings of fixing base on the 3 lateral walls of fixing base and switches on first drainage hole 8 of first water conservancy diversion hole 3a and switch on first drainage hole 8 and wait to examine the second drainage hole 9 of the flange end portion annular weld of ball valve terminal surface, is provided with first end cap 10 in first drainage hole 8 outer end.
Two second sealing rubber rings 11 are arranged on the outer end face of the fixing seat 3 at intervals, and the two second sealing rubber rings 11 are concentric with the first flow guide hole 3a and are respectively positioned on two sides of the second flow guide hole 9.
Correspondingly, the second diversion hole 5a is a blind hole and is horizontally arranged on the outer end face of the movable seat 5; the second pressure detection structure comprises a third drainage hole 12 and a fourth drainage hole 13, wherein the third drainage hole 12 is radially arranged on the side wall of the movable seat 5 along the movable seat 5 and conducts the second drainage hole 5a, the fourth drainage hole 13 conducts the third drainage hole 12 and an annular welding line at the flange end part of the end face of the ball valve to be detected, and a second plug 14 is arranged at the outer end of the fourth drainage hole 13.
Two third sealing rubber rings 15 are arranged on the outer end face of the movable seat 5 at intervals, and the two third sealing rubber rings 15 are concentric with the second flow guide hole 5a and are respectively positioned on two sides of the fourth flow guide hole 13.
The pressure detection structure with the structure is compact in structure and easy to process, and the manufacturing cost of the detection equipment can be reduced while the detection purpose is achieved.
During operation, according to the specification and size of waiting to detect the ball valve, select suitable sliding seat and fixing base to install fixedly, then will wait to detect the ball valve centre gripping between sliding seat and fixing base, open outside compressed air source, make compressed air pass through the pressure detection structure and the ball valve that the intake pipe got into both sides and flow through downtheholely. And simultaneously detecting the welding seam and the overflowing hole. The pressure can be observed and adjusted in real time through the pressure gauge. The whole detection operation is convenient and efficient.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.
Claims (7)
1. A rod-made flange ball valve welding seam inspection device comprises a detection groove (1) and is characterized in that the bottom of the detection groove (1) is in conduction connection with a reciprocating water supply mechanism (2);
a fixed seat (3) which is adaptive to the ball valve to be detected is arranged on the side wall of the detection groove (1), and a movable seat (5) which is opposite to the fixed seat (3) and is adaptive to the ball valve to be detected is connected in the detection groove (1) through a horizontal telescopic mechanism (4);
a first flow guide hole (3 a) for communicating an external compressed air source and a flow passing hole of the ball valve to be detected and a first pressure detection structure which is communicated with the first flow guide hole (3 a) and is matched with an annular welding line at the flange end part at one end of the ball valve to be detected are arranged on the fixed seat (3);
a second flow guide hole (5 a) which is communicated with the overflowing hole of the ball valve to be detected and a second pressure detection structure which is communicated with the second flow guide hole (5 a) and is matched with the annular welding line of the flange end part on the other end of the ball valve to be detected are arranged on the movable seat (5);
and sealing assemblies are arranged between the fixed seat (3) and the movable seat (5) and the outer end face of the ball valve to be inspected.
2. The rod making flange ball valve welding seam inspection device according to claim 1, wherein the reciprocating water supply mechanism (2) comprises a water storage cylinder (2 a), and a piston assembly (2 b) which is matched with the inner diameter of the water storage cylinder (2 a) is vertically arranged in the water storage cylinder (2 a); one side surface of the piston assembly (2 b) is connected with a piston assembly rod of the cylinder (2 c), the other side surface of the piston assembly is matched with the water storage cylinder (2 a) to form a sealed water chamber, a through hole is formed in the inner wall, away from the cylinder (2 c), of one side of the water storage cylinder (2 a) corresponding to the sealed water chamber, and the through hole is in conduction connection with the bottom of the detection groove (1) through a guide pipe (2 d).
3. The rod making flange ball valve welding seam inspection device according to claim 1, wherein the horizontal telescopic mechanism (4) comprises an inner threaded sleeve (4 a) which is horizontally arranged on the outer wall of the detection groove (1) and is communicated with the inner groove body of the detection groove (1), and a compression screw (4 b) is connected with the inner threaded sleeve (4 a) in a threaded manner;
the inner end of the pressing screw rod (4 b) is rotationally connected with the movable seat (5), and the outer end of the pressing screw rod is connected with an operating hand wheel (4 c); a water seal gasket (4 d) is arranged between the compression screw (4 b) and the inner groove wall of the detection groove (1).
4. The rod flange ball valve weld inspection device according to claim 3, wherein a connecting ring (5 b) adapted to the compression screw (4 b) is arranged on the back of the movable seat (5), an annular limiting groove (4 e) is formed on the outer wall of the compression screw (4 b) in the connecting ring (5 b) along the circumferential direction, a plurality of mounting holes opposite to the annular limiting groove (4 e) are uniformly distributed on the connecting ring (5 b) at intervals in the circumferential direction, and a cylindrical pin (5 c) matched with the annular limiting groove (4 e) is arranged in each mounting hole.
5. The rod flange ball valve welding seam inspection device according to claim 1, wherein a first positioning groove (3 b) matched with flanges at two ends of a ball valve to be inspected is formed on the outer end face of the fixed seat (3), a positioning boss (3 c) is arranged on the back face of the fixed seat (3), and a positioning groove (1 a) matched with the positioning boss (3 c) is arranged on the side wall of the inspection groove (1);
an annular groove is formed in the side wall of the positioning boss (3 c) along the circumferential direction, and a first sealing rubber ring (3 d) is sleeved in the annular groove.
6. The rod-making flange ball valve weld inspection device according to claim 1, wherein the first flow guide hole (3 a) is horizontally arranged on the fixed seat (3) and penetrates through two ends of the fixed seat (3), an air inlet pipe (6) which is communicated with an inner cavity of the detection groove (1) and communicated with the first flow guide hole (3 a) is arranged on the outer wall of the detection groove (1), a pressure gauge (7) is arranged on the air inlet pipe (6), and the air inlet pipe (6) is communicated and connected with an external compressed air source;
the first pressure detection structure comprises a first drainage hole (8) which is arranged on the side wall of the fixed seat (3) along the radial direction of the fixed seat (3) and conducts the first drainage hole (3 a) and a second drainage hole (9) which conducts the first drainage hole (8) and an annular welding line at the flange end part of the end face of the ball valve to be detected, and a first plug (10) is arranged at the outer end of the first drainage hole (8);
two second sealing rubber rings (11) are arranged on the outer end face of the fixing seat (3) at intervals, and the two second sealing rubber rings (11) are concentric with the first flow guide hole (3 a) and are respectively located on two sides of the second flow guide hole (9).
7. The rod-making flange ball valve welding seam inspection device according to claim 1, wherein the second diversion hole (5 a) is a blind hole and is horizontally arranged on the outer end face of the movable seat (5);
the second pressure detection structure comprises a third drainage hole (12) which is arranged on the side wall of the movable seat (5) along the radial direction of the movable seat (5) and conducts the second drainage hole (5 a) and a fourth drainage hole (13) which conducts the third drainage hole (12) and an annular welding line at the flange end part of the end face of the ball valve to be detected, and a second plug (14) is arranged at the outer end of the fourth drainage hole (13);
two third sealing rubber rings (15) are arranged on the outer end face of the movable seat (5) at intervals, and the two third sealing rubber rings (15) are concentric with the second flow guide hole (5 a) and are respectively positioned on two sides of the fourth flow guide hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222363567.8U CN217878237U (en) | 2022-09-06 | 2022-09-06 | Rod-made flange ball valve welding seam inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222363567.8U CN217878237U (en) | 2022-09-06 | 2022-09-06 | Rod-made flange ball valve welding seam inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217878237U true CN217878237U (en) | 2022-11-22 |
Family
ID=84081927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222363567.8U Active CN217878237U (en) | 2022-09-06 | 2022-09-06 | Rod-made flange ball valve welding seam inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217878237U (en) |
-
2022
- 2022-09-06 CN CN202222363567.8U patent/CN217878237U/en active Active
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Denomination of utility model: A welding seam inspection device for rod flange ball valves Effective date of registration: 20230629 Granted publication date: 20221122 Pledgee: Meizhou branch of China Construction Bank Co.,Ltd. Pledgor: GUNAGDONG MINGZHU FLUID MACHINERY Co.,Ltd. Registration number: Y2023980046691 |