CN210155084U

CN210155084U - Pipe mounting rack for ultrasonic detection of polygonal pipes

Info

Publication number: CN210155084U
Application number: CN201822160013.1U
Authority: CN
Inventors: 胡啸; 丁冬平; 谢航; 李瑞霞; 崔洪岩; 周金雄
Original assignee: Research Institute of Nuclear Power Operation; China Nuclear Power Operation Technology Corp Ltd
Current assignee: Research Institute of Nuclear Power Operation; China Nuclear Power Operation Technology Corp Ltd
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2020-03-17
Anticipated expiration: 2028-12-21

Abstract

The utility model relates to a nuclear power station is harmless, concretely relates to tubular product installing rack for polygon tubular product ultrasonic testing. When nuclear power station tubular product actual overhaul, need one kind possess support, press from both sides tightly and submergence with tubular product in aqueous, can carry out the shutoff to tubular product both ends simultaneously and guarantee its inside not tubular product installation rack of intaking to carry out ultrasonic detection to the outer wall of tubular product. The inside basin that has inlayed of frame, the tip support has been placed to frame top one end, and the afterbody support has been placed to the other end, and tip support, afterbody support all can be in the frame artifical adjustment position and fixed. The utility model discloses make the tight top of tubular product sealed, press from both sides tightly, immerse in the water and accomplish the action such as leave the basin after detecting and all can be accomplished through the rack is automatic, reduced the time of supplementary installation, improved detection efficiency, realize the effective sealing of tubular product, also provide the guarantee for detection quality.

Description

Pipe mounting rack for ultrasonic detection of polygonal pipes

Technical Field

The invention relates to the field of nuclear power station nondestructive, in particular to a pipe mounting rack for polygonal pipe ultrasonic detection.

Background

A polygonal thin-wall slender pipe is used in a novel nuclear power station, the pipe has higher requirement on quality, and the pipe needs to be subjected to flaw detection by using an ultrasonic method; because the geometrical shape is discontinuous, the probe cannot be kept attached in real time, and therefore, each edge and each side surface of the probe need to be sequentially detected; meanwhile, because the length of the pipe is long, the pipe is detected in a mode of pipe overturning and probe scanning in order to facilitate probe detection; therefore, the pipe needs to be soaked in water to perform ultrasonic detection, and the wall thickness of the pipe is thin, so that the inside of the pipe needs to be kept dry while the pipe is soaked in water.

Therefore, a pipe mounting rack which supports, clamps and immerses the pipe in water and can plug two ends of the pipe to ensure that the pipe does not enter water is needed so as to perform ultrasonic detection on the outer wall of the pipe.

Disclosure of Invention

Firstly, the purpose is as follows:

the invention aims to provide a pipe mounting rack which can wholly immerse a polygonal pipe in water after plugging so as to meet the requirement of nondestructive testing of the polygonal pipe.

The technical scheme is as follows:

the rack is formed by splicing sectional materials, a water tank is embedded in the rack, double rows of parallel guide rails are arranged on the rack, end supports and tail supports are respectively arranged at two ends of the rack, the end supports and the tail supports are both arranged on the guide rails and are coaxial and concentric, the end supports can slide along the guide rails and can be adjusted to be fixed at any positions to adapt to pipes with different lengths, the end supports are internally designed into two sections, one section is a fixed end and can be locked and fixed after the position of the end supports is adjusted, a lifting auxiliary support block is arranged for carrying out auxiliary support on the pipes during installation, the other section is a movable end and can move within a certain range under the driving of an air cylinder to adapt to the length errors and small-amplitude changes of the pipes in the same batch;

the end supporting seat and the tail supporting seat are respectively provided with a liftable rotating disk, the rotating disks are provided with a clamp and a supporting block and used for supporting and clamping the pipe during the installation of the pipe, and the rotating disks can drive the pipe to rotate in an indexing manner, so that each edge and plane of the pipe can be conveniently scanned;

the pipe sealing plugs are arranged on the tail supporting seat and the rotating disc of the tail supporting seat, wherein the pipe sealing plugs on the end supporting seat are independently driven by an air cylinder, and when the pipe is installed, the end plugs are pushed to the end face of the pipe by the air cylinder to form sealing; the pipe sealing plug on the end supporting seat is positioned on the moving section, and after the pipe is placed on the rack, the pipe moves towards the end face of the pipe along with the moving section to form sealing;

after the pipe is clamped and sealed, the rotating disks on the end supporting seat and the tail supporting seat synchronously descend to drive the pipe to fall into the water tank in the rack, so that the pipe is immersed in the water tank, and ultrasonic detection is conveniently implemented.

The concrete structure is as follows:

a pipe mounting rack for ultrasonic inspection of polygonal pipes, comprising: the water tank is arranged on the frame. A water tank is embedded in the rack, an end support is arranged at one end above the rack, and a tail support is arranged at the other end of the rack; the upper surface of the rack is provided with double rows of horizontal guide rails, an end part lifting support in the end part support is arranged on the horizontal guide rails through the support of the horizontal sliding block, and the end part lifting support is provided with an end part lifting guide rail; the whole rotary driving part is a circular ring, and can move up and down along the end lifting guide rail under the driving of the end lifting driving cylinder through the bearing of the end lifting slide block; an end sealing plug part is arranged at the circle center of the rotary driving part, an end supporting block is fixedly arranged under the end sealing plug part, a pipe to be tested is placed on the end supporting block, and the end part is tightly attached to the end sealing plug part; the end pneumatic clamps are symmetrically and fixedly arranged on the upper half part of the rotary driving part and can be rotationally clamped; the end sealing plug component, the end supporting block and the end pneumatic clamp are matched with each other to realize the functions of sealing, supporting, clamping and fixing.

The end mount further comprising: the auxiliary supporting seat, the auxiliary supporting seat lifting cylinder, the auxiliary supporting seat lifting guide rail, the auxiliary supporting block, the fixed locking part and the locking screw are arranged on the auxiliary supporting seat; the auxiliary supporting seat is installed on the horizontal guide rail through the horizontal sliding block, the auxiliary supporting seat drives the actuating cylinder through horizontal migration and is connected with the end lifting support, fixed locking parts are installed at the front end and the rear end of the auxiliary supporting seat, the position of the auxiliary supporting seat can be locked after the position is adjusted manually, and the auxiliary supporting seat lifting cylinder is installed on the auxiliary supporting seat.

The end part rubber plug mounting plate in the end part sealing plug part is mounted on the rotary driving part, the end part rubber plug is mounted on the end part rubber plug mounting plate, the central air supply block penetrates through the end part rubber plug and is tightly pressed with the end part rubber plug through a nut to form sealing, and the tail part of the central air supply block is provided with a rotary air inlet joint; the rotary driving part is also provided with an end part pneumatic clamp and an end part supporting block.

The auxiliary supporting seat is characterized in that fixed locking components are mounted at the front end and the rear end of the auxiliary supporting seat respectively, each fixed locking component is composed of a locking screw, a locking supporting block and a retaining piece, the locking supporting blocks are connected with the auxiliary supporting seat, the locking screws extend out of the locking supporting blocks and are connected with screw holes in the T-shaped locking strips, and the retaining pieces are used for limiting the locking screws to move up and down within a certain range.

The rack is provided with a T-shaped groove, and a T-shaped locking strip can be plugged into the T-shaped groove from the end part of the rack.

The tail lifting support on the tail support is arranged on the horizontal guide rail through the horizontal sliding block, the tail lifting guide rail is arranged on the tail lifting support, and the tail lifting driving cylinder can drive the driven rotating part to move up and down along the tail lifting guide rail under the bearing of the tail lifting sliding block.

The driven rotating part is provided with a tail sealing plug part, a tail pneumatic clamp and a tail supporting block, and the front surface and the rear surface of the tail lifting support are also provided with fixed locking parts, so that the tail lifting support can be locked and fixed at any position.

Third, effect

The invention has the following effects: through supporting, shutoff, pressing from both sides tightly to the tubular product both ends, can be with the whole submergence of tubular product in aqueous to keep intraductal dry, satisfy the probe simultaneously and carry out ultrasonic detection's demand to tubular product, accomplish the detection back, the rack can rise tubular product automatically, breaks away from the surface of water, and opens the sealing plug automatically, loosens tubular product, so that the operator takes away tubular product, has guaranteed detection effect, has reduced operator's assistance time, has improved the efficiency of the installation of tubular product.

Drawings

FIG. 1 is a schematic view of the overall structure of a pipe mounting rack for ultrasonic inspection of polygonal pipes;

FIG. 2 is a schematic view of the overall structure of the end mount;

FIG. 3 is a schematic view of the structure of an end packing member in an end mount

FIG. 4 is a schematic view of the securing of the locking member

FIG. 5 is a schematic view of the overall structure of the tail mount;

FIG. 6 is a schematic structural view of a tail packing member in a tail mount

FIG. 7 initial state of the tube set on the stage

FIG. 8 shows the state of the pipe being tightly pressed and sealed by two ends and clamped

FIG. 9 the pipe submerged in water

FIG. 10 left side view of the fixed locking component

In the figure, 1, a frame, 2, a water tank, 3, an end support, 4, a tail support, 1001, a horizontal guide rail, 1002, a horizontal sliding block, 1003, a T-shaped groove, 1004, a T-shaped locking strip, 3001, an end lifting support, 3002, a rotary driving component, 3003, an end lifting guide rail, 3004, an end lifting sliding block, 3005, an end sealing plug component, 3005001, an end rubber plug, 3005002, an end rubber plug mounting plate, 3005003, a central air supply block, 3005004, a nut, 3005005, a rotary air inlet joint, 3006, an end pneumatic clamp, 3007, an end supporting block, 3008, an end lifting driving cylinder, 3009, a horizontal movement driving cylinder, 3010, an auxiliary supporting seat, 3010001, an auxiliary supporting seat lifting cylinder, 3010002, an auxiliary supporting seat lifting guide rail, 3010003, an auxiliary supporting block, 3011, a fixed locking component, 3011001, a locking screw, 3011002, a locking supporting block, 3011003, 4001, a tail lifting support, 4002 driven rotating component, 4003 tail lifting guide rail, 4004 tail lifting slide block, 4005 tail sealing plug component, 4005001 tail sealing plug, 4005002 tail sealing plug mounting plate, 4005003 tail sealing plug telescopic shaft, 4005004 telescopic sliding sleeve, 4005005 tail sealing plug jacking cylinder, 4005006 jacking cylinder mounting seat, 4005007 cylinder ejector rod, 4005008 jacking rotating support, 4006 tail pneumatic clamp, 4007 tail supporting block, 4008 tail lifting driving cylinder and 5 sample tube.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In fig. 1, a water tank 2 is embedded in a machine frame 1, an end support 3 is placed at one end above the machine frame 1, a tail support 4 is placed at the other end of the machine frame, and the end support 3 and the tail support 4 can be manually adjusted and fixed on the machine frame to adapt to pipes of different lengths and specifications.

In fig. 2, a double-row horizontal guide rail 1001 is mounted on the upper surface of a frame 1, an end portion lifting bracket 3001 in an end portion support 3 is mounted on the horizontal guide rail 1001 through the support of a horizontal slider 1002, an end portion lifting guide rail 3003 is mounted on the end portion lifting bracket 3001, a rotary driving component 3002 is driven by an end portion lifting driving cylinder 3008 and can move up and down along the end portion lifting guide rail 3003 through the bearing of an end portion lifting slider 3004, and an end portion sealing plug component 3005, an end portion pneumatic clamp 3006 and an end portion supporting block 3007 are mounted on the rotary driving component 3002 and are used for supporting, clamping and sealing a pipe;

the auxiliary support seat 3010 is also mounted on the horizontal guide rail 1001 through the horizontal slider 1002, the auxiliary support seat 3010 is connected with the end lifting support 3001 through the horizontal movement driving cylinder 3009, the front end and the rear end of the auxiliary support seat 3010 are respectively provided with a fixed locking component 3011, the position of the auxiliary support seat 3010 can be locked after the position is manually adjusted, the auxiliary support seat 3010 is provided with an auxiliary support seat lifting cylinder 3010001, the auxiliary support block 3010003 can be lifted or dropped under the guidance of the auxiliary support seat lifting guide rail 3010002, and the auxiliary support seat is used for carrying out auxiliary support on the pipe during the installation of the pipe;

after the position of the auxiliary support 3010 is locked, the distance between the end lifting support 3001 and the auxiliary support 3010 can be increased or decreased along with the expansion and contraction of the horizontal movement driving cylinder 3009.

In fig. 3, an end rubber plug mounting plate 3005002 of an end sealing plug component 3005 is mounted on a rotation driving component 3002, an end rubber plug 3005001 is mounted on an end rubber plug mounting plate 3005002, a central air supply block 3005003 penetrates through the end rubber plug 3005001 and is pressed with an end rubber plug 3005001 by a nut 3005004 to form a seal, a rotation air inlet joint 3005005 is mounted at the tail of the central air supply block 3005003, compressed air can enter from a rotation air inlet joint 3005005, when the rotation driving component 3002 rotates, the central air supply block 3005003 also rotates along with the rotation, the rotation air inlet joint 3005005 can rotate while keeping air intake, and the air pipe of the air intake can be prevented from winding along with the rotation of the central air supply block 3005003.

In fig. 4 and 10, taking the end support 3 as an example to describe the implementation manner of the function of the fixed locking component 3011, the fixed locking components 3011 are installed at both front and rear ends of the auxiliary support 3010, the fixed locking component 3011 is composed of a locking screw 3011001, a locking support block 3011002 and a stopper 3011003, wherein the locking support block 3011002 is connected with the auxiliary support 3010, the fastening screw 3011001 extends out of the locking support 3011002 to be connected with a screw hole 1004002 on the T-shaped locking bar 1004, and the stopper 3011003 is used for limiting the fastening screw 3011001 to move up and down within a certain range;

the T-shaped groove 1003 is formed in the machine frame 1, the T-shaped locking strip 1004 can be plugged into the T-shaped groove 1003 from the end portion of the machine frame 1, when the locking screw 3011001 is tightened, the T-shaped locking strip 1004 can be lifted upwards due to the fact that the locking screw 3011001 cannot move downwards due to the limiting of the blocking piece 3011003, and when the locking screw 3011001 is loosened, the T-shaped locking strip 1004 can fall downwards due to the fact that the locking screw 3011001 cannot move upwards due to the limiting of the blocking piece 3011003; when the auxiliary support seat 3010 needs to be locked and fastened, the locking screw 3011001 is screwed down, the T-shaped locking strip 1004 is lifted upwards until the step 1004001 of the T-shaped locking strip is contacted with the notch 1003001 of the T-shaped groove 1003 and cannot move upwards continuously, at this time, a pulling force for lifting the T-shaped locking strip 1004 upwards is always present in the locking screw 3011001, the notch 1003001 of the T-shaped groove 1003 abuts against the step 1004001 of the T-shaped locking strip, the T-shaped locking strip 1004 is always prevented from moving upwards to form a locking structure, and a large friction force is generated between the T-shaped groove 1003 and the T-shaped locking strip 1004, so that the auxiliary support seat 3010 achieves the locking and fixing effect; when the locking screw 3011001 is loosened, the T-shaped locking bar 1004 is pushed to move downwards, the notch 1003001 is separated from the step 1004001 of the T-shaped locking bar, the locking effect disappears, and the auxiliary support seat 3010 can move freely.

In fig. 5, a tail lifting support 4001 on a tail support 4 is mounted on a horizontal guide rail 1001 through a horizontal slider 1002, a tail lifting guide rail 4003 is mounted on the tail lifting support 4001, a tail lifting driving cylinder 4008 can drive a driven rotating component 4002 to move up and down along the tail lifting guide rail 4003 under the load of the tail lifting slider 4004, a tail sealing plug component 4005, a tail pneumatic clamp 4006 and a tail supporting block 4007 are mounted on the driven rotating component 4002, and fixing and locking components 3011 are also mounted on the front surface and the rear surface of the tail lifting support 4001, so that locking and fixing can be realized at any position.

In fig. 6, the tail sealing plug 4005001 is mounted on the front side of the tail sealing plug mounting plate 4005002, the tail sealing plug telescopic shaft 4005003 is connected to the back side of the tail sealing plug mounting plate 4005002, the tail sealing plug telescopic shaft 4005003 can drive the tail sealing plug 4005001 to extend and retract under the support of the telescopic sliding sleeve 4005004, the jacking cylinder mounting seat 4005006 is mounted on the driven rotating component 4002, the tail sealing plug jacking cylinder 4005005 is mounted on the jacking cylinder mounting seat 4005006, the tail sealing plug jacking cylinder 4005005 can drive the cylinder post 4005007 to extend and retract, the cylinder post 4005007 is connected with the tail sealing plug mounting plate 4005002 through the jacking rotary support 4005008, the jacking rotary support 4005008 can transmit the extension and retraction movement of the cylinder post 4005007, the jacking force and the contraction force, and can rotate along with the tail sealing plug mounting plate 4005002 and keep the cylinder post 4005007 not; when the tail sealing plug jacking cylinder 4005005 stretches out, the tail sealing plug 4005001 is ejected out through the cylinder ejector rod 4005007, so that the pipe can be sealed by the tail sealing plug 4005001, when the pipe rotates, the jacking rotary support 4005008 rotates along with the rotation and continuously applies the jacking force of the cylinder ejector rod 4005007 to the tail sealing plug 4005001, and the cylinder ejector rod 4005007 does not need to rotate.

Fig. 7 shows a state where the tube is just placed on the rack, where one end of the sample tube 5 is placed on the tail support block 4007 of the tail support 4, the other end of the sample tube 5 is placed on the auxiliary support block 3010003, the driving rotary member 3002, the driven rotary member 4002, and the auxiliary support block 3010003 are all in a raised state, the sample tube 7 is located above the water surface, and the tail support 4 and the auxiliary support base 3010 of the end support 3 are all in a locked and fixed state.

In fig. 8, an end lifting bracket 3001 in an end support 3 is driven by a horizontal movement driving cylinder 3009 to approach a sample tube 5 and finally push the sample tube 5 tightly, an end sealing plug component 3005 seals the end of the sample tube 5, at the other end, a tail sealing plug in an end support 4 pushes out a cylinder 4005005 tightly, an end rubber plug 3005001 is pushed tightly against the end face of the sample tube 5 to realize sealing, and a closed space is formed inside the sample tube 5;

at this time, the auxiliary supporting block 3010003 falls and is separated from the sample tube 5, the end supporting block 3007 and the tail supporting block 4007 support both ends of the sample tube 5, the end pneumatic clamp 3005 and the tail pneumatic clamp 4006 clamp both ends of the sample tube 5, and the rack injects air of a certain pressure into the sample tube 5 through the rotary air inlet connector 3005005, so that the sealing condition can be observed after the sample tube 5 is immersed in water.

In fig. 9, after the sample tube 5 is mounted as shown in fig. 8, the rotation driving member 3002 and the driven rotation member 4002 are lowered into the water tank 2 together with the sample tube 5 under the synchronous driving of the end portion elevating driving cylinder 3008 and the tail portion elevating driving cylinder 4008, so that the sample tube 5 is submerged into the water, and the mounting of the tube is completed, and the tube is provided with the detection condition;

after the tube is detected, the operations shown in fig. 9, 8 and 7 can be performed in reverse, the tube which is detected is lifted out of the water surface, the end rubber plug 3005001 and the tail sealing plug 4005001 are separated, the end pneumatic clamp 3006 and the tail pneumatic clamp 4006 are released, the auxiliary supporting block 3010003 is lifted to support the sample tube 5, and the end lifting bracket 3001 is separated from the tube, so that the tube can be taken away;

therefore, the actions of tightly propping, sealing, clamping, immersing in water, leaving a water tank and the like after detection can be automatically completed through the rack, the time for auxiliary installation is reduced, the detection efficiency is improved, the effective sealing of the pipe is realized, and the guarantee is provided for the detection quality.

Claims

1. A pipe mounting rack for ultrasonic inspection of polygonal pipes, comprising: frame (1), basin (2), end support (3), afterbody support (4), its characterized in that: a water tank (2) is embedded in the rack (1), an end support (3) is placed at one end above the rack (1), and a tail support (4) is placed at the other end; the upper surface of the rack (1) is provided with double rows of horizontal guide rails (1001), an end lifting support (3001) in the end support (3) is arranged on the horizontal guide rails (1001) through the support of a horizontal sliding block (1002), and the end lifting support (3001) is provided with an end lifting guide rail (3003); the whole rotary driving component (3002) is a circular ring, and the rotary driving component (3002) can move up and down along the end lifting guide rail (3003) under the driving of the end lifting driving cylinder (3008) through the bearing of the end lifting slider (3004); an end sealing plug component (3005) is installed at the circle center position of the rotary driving component (3002), an end supporting block (3007) is fixedly installed right below the end sealing plug component (3005), a pipe to be tested is placed on the end supporting block (3007), and the end of the pipe is tightly attached to the end sealing plug component (3005); the end pneumatic clamp (3006) is symmetrically and fixedly arranged on the upper half part of the rotary driving component (3002) and can be rotationally clamped; the end sealing plug component (3005), the end supporting block (3007) and the end pneumatic clamp (3006) are matched with each other to realize the functions of sealing, supporting, clamping and fixing.

2. A pipe mounting rack for ultrasonic inspection of polygonal pipes according to claim 1 wherein: the end support (3) further comprises: the device comprises an auxiliary supporting seat (3010), an auxiliary supporting seat lifting cylinder (3010001), an auxiliary supporting seat lifting guide rail (3010002), an auxiliary supporting block (3010003), a fixed locking component (3011) and a locking screw (3011001); the auxiliary supporting seat (3010) is installed on a horizontal guide rail (1001) through a horizontal sliding block (1002), the auxiliary supporting seat (3010) is connected with an end lifting support (3001) through a horizontal movement driving cylinder (3009), the front end and the rear end of the auxiliary supporting seat (3010) are provided with fixing and locking components (3011), the position of the auxiliary supporting seat (3010) can be locked after the position is manually adjusted, and the auxiliary supporting seat lifting cylinder (3010001) is installed on the auxiliary supporting seat (3010).

3. A pipe mounting rack for ultrasonic inspection of polygonal pipes according to claim 1 wherein: an end rubber plug mounting plate (3005002) in the end sealing plug component (3005) is mounted on the rotary driving component (3002), an end rubber plug (3005001) is mounted on the end rubber plug mounting plate (3005002), a central air supply block (3005003) penetrates through the end rubber plug (3005001), the central air supply block and the end rubber plug (3005001) are pressed through a nut (3005004) to form sealing, and a rotary air inlet joint (3005005) is mounted at the tail of the central air supply block (3005003); the rotary driving component (3002) is also provided with an end pneumatic clamp (3006) and an end supporting block (3007).

4. A pipe mounting rack for ultrasonic inspection of polygonal pipes according to claim 2 wherein: fixed locking part (3011) are all installed at auxiliary supporting seat (3010) front and back both ends, fixed locking part (3011) comprises locking screw (3011001), locking supporting shoe (3011002), separation blade (3011003), wherein locking supporting shoe (3011002) is connected with auxiliary supporting seat (3010), fastening screw (3011001) stretches out from locking supporting shoe (3011002) and is connected with screw (1004002) on T type locking strip (1004), separation blade (3011003) are used for restricting fastening screw (3011001) and reciprocate in the certain limit.

5. A pipe mounting rack for ultrasonic inspection of polygonal pipes according to claim 1 wherein: the T-shaped groove (1003) is formed in the rack (1), and the T-shaped locking strip (1004) can be plugged into the T-shaped groove (1003) from the end portion of the rack (1).

6. A pipe mounting rack for ultrasonic inspection of polygonal pipes according to claim 1 wherein: tail lifting support (4001) on afterbody support (4) install on horizontal guide (1001) through horizontal sliding block (1002), install afterbody lifting guide (4003) on afterbody lifting support (4001), afterbody lift actuating cylinder (4008) can drive driven rotary part (4002) and reciprocate along afterbody lifting guide (4003) under the bearing of afterbody lifting slide (4004).

7. A pipe mounting rack for ultrasonic inspection of polygonal pipes according to claim 6 wherein: the driven rotating component (4002) is provided with a tail sealing plug component (4005), a tail pneumatic clamp (4006) and a tail supporting block (4007), and the front surface and the rear surface of the tail lifting support (4001) are also provided with fixed locking components (3011) so as to realize locking and fixing at any position.