CN212207161U - Dish-shaped head nondestructive test device - Google Patents

Abstract

The utility model discloses a dish-shaped head nondestructive test device. It includes the horizontal orbit, the support sub-assembly and the ray apparatus bracket of installation on the horizontal orbit, every group support sub-assembly and ray apparatus bracket homoenergetic carry out reciprocating motion at the horizontal orbit, every group support sub-assembly all includes after-poppet and fore-stock, the bottom outside end of dish-shaped head leans on to press on the after-poppet of this group support sub-assembly and bottom medial extremity supports on the fore-stock of this group support sub-assembly, the ray apparatus bracket sets up to extending structure, thereby the welding surface that the ray apparatus can be to dish-shaped head is settled to the top of ray apparatus bracket detects. After adopting foretell structure, adjustment convenient and fast can be stable place the dish head of different specifications, can be convenient again carry out the operation of clapping, has improved the efficiency of clapping greatly to avoid the potential safety hazard, its adjustment structure in different positions can make ray generator window and little r arc keep perpendicular, and detection effect is good, has avoided the problem of lou examining.

Description

Dish-shaped head nondestructive test device

Technical Field

The utility model relates to a detection apparatus of dish-shaped head for pressure vessel, specifically speaking are dish-shaped head nondestructive test device.

Background

After the pressure container is subjected to seam splicing and pressing by using a disc-shaped end socket, 100% ray detection is carried out, and the ray detection adopts a single-wall single-shadow technology for transillumination; in the implementation process, the seal heads need to be laid flat or lifted one by one to perform negative film transillumination; according to the analysis of the manufacturing process, the welding defects of the disc-shaped end socket are usually generated in a small r arc section of the disc-shaped end socket, but the shooting difficulty of the r arc section for ray detection is more complex.

Difficulty one, hang the head and clap the piece: the small r arcs on the two sides of the dish-shaped end socket can be shot by single sheet, and the large r arc in the middle is shot by a circumferential ray machine for one-time integral transillumination; however, the method has a high safety risk, casualties are easily caused if the common fixture is out of the way, and the end socket is not well fixed after being lifted and is easily deflected, so that the detection equipment is damaged or scrapped.

Difficulty two, flat lying and shooting of the end socket: the method is safer than the method for lifting the end socket for detection, but the difficulty of shooting the small r arc part on equipment is higher, and if the large r arc is an inclined plane, the window of the ray generator cannot be kept vertical to the small r arc, partial defects are not easy to detect, the detection is missed, and finally hidden dangers are caused on the product quality.

In summary, when the radial detection is performed on the formed disc-shaped end socket, firstly, the problem that the end socket can stably stand up needs to be solved, and the end sockets with different specifications need to be compatible, and secondly, the problem of shooting efficiency needs to be solved, which brings serious difficulty to actual production.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a detection stability is good, the shooting is convenient, compatible good to make shooting quality and efficient dish-shaped head nondestructive test device.

In order to solve the technical problem, the utility model discloses a dish head nondestructive test device, including the horizontal track, the at least a set of subassembly and an ray machine bracket that are used for supporting dish head of installation on the horizontal track, every subassembly and ray machine bracket homoenergetic carry out reciprocating motion at the horizontal track, every subassembly all includes after-poppet and fore-stock, the bottom outside end of dish head is by pressing on the after-poppet of this group's subassembly and bottom medial extremity supports on the fore-stock of this group's subassembly, the ray machine bracket sets up to extending structure, thereby the ray machine can detect the welding surface of dish head to the top of ray machine bracket is settled.

The height of the rear support in each set of the support assemblies is higher than the height of the front support.

The rear support is provided with a rear crank which can enable the rear support to reciprocate on the horizontal rail, and the front support is provided with a front crank which can enable the front support to reciprocate on the horizontal rail.

And a lifting crank capable of lifting the ray machine bracket is arranged on the ray machine bracket.

The horizontal rail is provided with two groups of bracket assemblies for supporting the dish-shaped seal heads, and the ray machine bracket is positioned between the two groups of bracket assemblies.

The rear support and the front support of each group of support assembly parts can be locked through the support locking structure, and the ray machine bracket can be locked through the bracket locking structure.

After the structure is adopted, because each group of bracket assembly and the ray machine bracket can carry out reciprocating movement on the horizontal track and the ray machine bracket can be stretched and retracted, when in use, the outer end of the bottom of the dish-shaped seal head is pressed against the rear bracket of the bracket assembly and the inner end of the bottom is pressed against the front bracket of the bracket assembly, therefore, the welding surface of the dish-shaped seal head can be directly detected after the ray machine is arranged at the top of the ray machine bracket, the adjustment is convenient and quick, the dish-shaped seal heads with different specifications can be stably placed, the shooting operation can be conveniently carried out, the shooting efficiency is greatly improved, and the potential safety hazard caused by traditional hoisting shooting is avoided, the adjusting structures in different directions can ensure that the window of the ray generator is vertical to the small r arc, the detection effect is good, and the problem of missed detection in the traditional seal head horizontal shooting is avoided.

Drawings

Fig. 1 is the structure schematic diagram of the disc-shaped head nondestructive testing device of the utility model.

Detailed Description

The disc-shaped head nondestructive testing device of the present invention will be described in further detail with reference to the accompanying drawings and the specific embodiments.

As shown in the figure, the nondestructive testing device for the dish-shaped end sockets comprises a horizontal track 1, two groups of support assemblies and an ray machine bracket 3 which are arranged on the horizontal track and used for supporting the dish-shaped end sockets 2, wherein the ray machine bracket 3 is positioned between the two groups of support assemblies, two dish-shaped end sockets can be simultaneously detected by utilizing a ray machine, the detection efficiency is greatly improved, each group of support assemblies and the ray machine bracket 3 can carry out reciprocating movement on the horizontal track 1, each group of support assemblies respectively comprises a rear support 4 and a front support 5, the height of the rear support 4 in each group of support assemblies is higher than that of the front support 5, the outer side end of the bottom of the dish-shaped end socket 2 is pressed on the rear support 4 of the group of support assemblies, and the inner side end of the bottom of the dish-shaped end socket is pressed on the front support 5 of the group of support, the front support is used for effectively abutting against the end socket, so that the end socket can be effectively fixed, the danger that the end socket is loosened or falls off when a travelling crane fixture hangs the end socket is avoided, the ray machine bracket 3 is of a telescopic structure which can be of an inner sleeve pipe structure and an outer sleeve pipe structure, the ray machine 6 is arranged at the top of the ray machine bracket 3, so that the welding surface of the dish-shaped end socket can be detected, after the end socket is erected, the end socket can be close to the ray machine bracket, a directional flaw detector is adopted for singly carrying out shooting, after the end socket is erected, an operator can better observe and measure whether the ray machine is perpendicular to a small r arc or not when the ray shooting is carried out on equipment, and the detection rate of the small r arc part is improved as much.

Furthermore, in order to improve the reliability of support, two rear supports and two front supports can be arranged in each group of support assembly, two seal heads can be placed face to face in front and back through the structural design, as long as a central point is found, the large r arc part can be exposed in the circumferential direction, the large r arc parts of the two seal heads are all shot at one time, and the small r arc is used for ray detection independently, so that the ray exposure time is greatly shortened, the repeated operation steps are greatly reduced, and various problems caused by moving a ray machine once when one film is shot and one film is shot are overcome according to the traditional mode.

Furthermore, a rear crank 7 which can make the rear support move back and forth on the horizontal rail is arranged on the rear support 4, a front crank 8 which can make the front support move back and forth on the horizontal rail is arranged on the front support 5, the back crank 7 can make the rear support move back and forth on the horizontal rail conveniently, when the rear crank is arranged, a gear can be arranged at the bottom of the rear support 4, and a rack is arranged beside the guide rail, so that the movement and the positioning are more accurate, the front crank 8 can make the front support move back and forth on the horizontal rail conveniently, when the front crank 8 is arranged, the gear can be arranged at the bottom of the front support, and the rack is arranged beside the guide rail, so that the movement and the positioning are more accurate, certainly, the matching structure of the front crank, the rear crank, the gear and the rack can be avoided, and the manual pushing mode can be realized, the ray machine bracket 3 is provided with a lifting crank 9 which can lift the ray machine bracket, at the moment, the lifting crank is arranged on an outer sleeve, a rack is arranged on the inner sleeve, the lifting crank is provided with a gear matched with the rack, the lifting of the inner sleeve can be realized, so that the movement and the positioning are more convenient and accurate, the rack can be arranged on the inner wall of the inner sleeve along the axial direction during the mounting, a slot matched with the rack is formed in the side wall of the inner sleeve, the gear of the lifting crank extends into the inner sleeve to be matched with the rack, the height of the ray machine can be adjusted according to the height of the seal head weld joint, of course, the lifting crank and the matched structure of the gear and the rack can be omitted, the ray machine bracket can be manually pushed, and only certain labor is needed.

Furthermore, the rear support 4 and the front support 5 of each set of support assembly can be locked by a support locking structure, the ray machine bracket 3 can be locked by a support locking structure, the rear support 4 and the front support 5 of each set of support assembly can move back and forth on the horizontal rail 1 so as to adjust the detection position (erection angle) of the dish-shaped seal head 2, the rear support 4 and the front support 5 are locked by the support locking structure after being adjusted, the support locking structure can be a support connecting plate respectively arranged on the rear support 4 and the front support 5 and a positioning hole arranged beside the horizontal rail 1, the rear support 4 and the front support 5 are positioned and installed at the positioning hole by a support connecting plate by fasteners, the ray machine bracket 3 can also move back and forth on the horizontal rail 1 so as to adjust the detection position (detection distance) of the ray machine 6 of the ray machine bracket 3, after the ray machine bracket 3 is adjusted, the ray machine bracket is locked through a bracket locking structure, the bracket locking structure can be a bracket connecting plate and a positioning hole arranged beside the horizontal rail 1, and the ray machine bracket 3 is positioned and installed at the positioning hole through the bracket connecting plate by a fastener.

Claims (6)

1. The utility model provides a dish-shaped head nondestructive test device which characterized in that: including horizontal track (1), the last at least a set of support composite member and an ray machine bracket (3) that are used for supporting dish head (2) of installation of horizontal track, every group the support composite member and ray machine bracket (3) homoenergetic carry out reciprocating motion in horizontal track (1), every group the support composite member all includes after-poppet (4) and fore-stock (5), the bottom outside end of dish head (2) leans on to press on after-poppet (4) of this group of support composite member and bottom medial extremity support on fore-stock (5) of this group of support composite member, ray machine bracket (3) set up to extending structure, thereby ray machine (6) can be detected to the welding surface of dish head to the top arrangement of ray machine bracket (3).

2. The nondestructive testing device for the disc-shaped end socket according to claim 1, characterized in that: the height of the rear bracket (4) in each group of bracket assemblies is higher than that of the front bracket (5).

3. The nondestructive testing device for the disc-shaped end socket according to claim 1 or 2, characterized in that: the rear support (4) is provided with a rear crank (7) which can enable the rear support to reciprocate on the horizontal rail, and the front support (5) is provided with a front crank (8) which can enable the front support to reciprocate on the horizontal rail.

4. The nondestructive testing device for the disc-shaped end socket according to claim 3, characterized in that: and a lifting crank (9) capable of lifting the ray machine bracket is arranged on the ray machine bracket (3).

5. The nondestructive testing device for the disc-shaped end socket according to claim 1, 2 or 4, characterized in that: the horizontal rail (1) is provided with two groups of bracket assemblies for supporting the dish-shaped seal heads (2), and the ray machine bracket (3) is positioned between the two groups of bracket assemblies.

6. The nondestructive testing device for the disc-shaped end socket according to claim 5, characterized in that: the rear support (4) and the front support (5) of each group of support assembly parts can be locked through a support locking structure, and the ray machine bracket (3) can be locked through a bracket locking structure.

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