CN211452112U

CN211452112U - Inspection tool for positions of mounting rivet holes of ventilation system in nuclear island

Info

Publication number: CN211452112U
Application number: CN201922228937.5U
Authority: CN
Inventors: 王鑫
Original assignee: STATE NUCLEAR POWER ENGINEERING Co
Current assignee: Shanghai Nuclear Engineering Research and Design Institute Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-08
Anticipated expiration: 2029-12-10

Abstract

The utility model relates to a nuclear power unit technical field just discloses a ventilation system installation rivet hole position inspection tool in nuclear island. This ventilation system installation rivet hole position inspection instrument in nuclear island, including the inspection board, it is provided with the threaded rod to alternate on the inspection board, threaded connection has the screw thread piece on the threaded rod, first spout has been seted up on the screw thread piece, sliding connection has first fixed block on the first spout, fixedly connected with regulating block on the first fixed block, the interior interlude of regulating block is provided with the regulation pole, fixedly connected with flat end on the regulation pole, first draw-in groove has been seted up in the regulating block. The utility model discloses, make threaded rod forward and reverse rotation through rotating the hand wheel, can drive when the threaded rod rotates and be the reciprocating motion of horizontal direction rather than threaded connection's screw thread piece on the threaded rod, this device is applicable to the measurement of the screw hole of equidimension not, and need not set up a plurality of draw-in grooves, and application scope is wider, has the practicality.

Description

Inspection tool for positions of mounting rivet holes of ventilation system in nuclear island

Technical Field

The utility model relates to a nuclear power unit technical field specifically is a ventilation system installation rivet hole position inspection tool in nuclear island.

Background

In the process of prefabricating and installing the ventilation system in the nuclear island, a quality inspection engineer checks whether the position of a rivet hole is correct or not, so that the operation is not convenient, and the time consumption is huge. The air duct parameters are strictly required, and particularly, the position requirements of various rivet holes are more strict, because the holes can directly influence the structural stability and the sealing performance of the air duct. Secondly, after the rivet installation is accomplished, the surface is usually not very level and smooth, can cause certain error with the method of board chi direct measurement at present, and consuming time longer, in the prefabricated installation of on-the-spot tuber pipe, the quantity of rivet hole is very huge, will guarantee the accuracy of each rivet hole position, the quality testing engineer will consume a large amount of time and experience, be like the application number, CN 201821267340.0's utility model, the inconvenient problem of inspection of present rivet hole position has been solved, but need set up the draw-in groove of a plurality of differences and lack the storage device to the inspection tool when the inspection, inconvenient carrying.

Therefore, the tool for checking the position of the mounting rivet hole of the ventilation system in the nuclear island is provided.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, the utility model provides a ventilation system installation rivet hole position inspection tool in nuclear island possesses the rivet hole that is applicable to various equidimensions not, conveniently accomodates advantages such as carry, has solved the inconvenient problem of measuring, inconveniently carrying the rivet hole of equidimension not of present rivet hole inspection tool.

The utility model provides a technical scheme that its technical problem adopted is: a tool for checking positions of mounting rivet holes of a ventilation system in a nuclear island comprises a checking plate, wherein a threaded rod is arranged on the checking plate in an inserting mode, a threaded block is connected onto the threaded rod in a threaded mode, a first sliding groove is formed in the threaded block, a first fixing block is connected onto the first sliding groove in a sliding mode, an adjusting block is fixedly connected onto the first fixing block, an adjusting rod is arranged in the adjusting block in an inserting mode, a flat end is fixedly connected onto the adjusting rod, a first clamping groove is formed in the adjusting block, a movable hole is formed in one side, away from the first clamping groove, of the adjusting block, a first pull rod is arranged in the movable hole in an inserting mode, a pointed end is movably connected onto the checking plate, a containing frame is arranged on the outer side of the checking plate, a protective door is hinged onto the containing frame, springs are fixedly connected to the bottom of, equal fixedly connected with dead lever on two springs, the equal fixedly connected with second fixed block of one end of every dead lever, accomodate and seted up the third draw-in groove on the frame, it alternates and is provided with two second pull rods to accomodate on the frame and be located one side of third draw-in groove.

Further, a handle is welded on the outer side of the inspection plate.

Furthermore, the number of the first sliding grooves is five, and the five first sliding grooves are in a parallel state.

Furthermore, a hand wheel is fixedly connected to the outer side of the threaded rod.

Furthermore, first pull rod and first draw-in groove joint, the second draw-in groove has been seted up on the first pull rod, adjust pole and second draw-in groove joint.

Furthermore, the number of the third clamping grooves is two, and the two second fixing blocks are respectively clamped with the two third clamping grooves.

The utility model has the advantages that:

1. the inspection tool for the mounting rivet hole position of the ventilation system in the nuclear island is characterized in that a threaded rod is rotated in the forward direction and the reverse direction by rotating a hand wheel, when the threaded rod rotates, a threaded block connected with the threaded rod in a threaded manner can be driven to do reciprocating motion in the horizontal direction on the threaded rod, a first fixing block slides on the threaded block due to the motion of the threaded block, as first sliding grooves with different lengths are formed in the threaded block, the first fixing block can do telescopic motion in the horizontal direction on the threaded block, when the first fixing block is positioned at the center of the threaded block, the length of the threaded block close to one side of a tip end is smaller than the length of the first fixing block on the upper side and the lower side of the threaded block, the distance between the flat end and the tip end can be adjusted accordingly, when the vertical length of the flat end needs to be adjusted, after the flat end is adjusted to the required length, a first pull rod is inserted into a, first pull rod and first draw-in groove joint to fixed with the flush end, be applicable to most advanced regulation with the same reason, this device is applicable to the measurement of the screw hole of equidimension not, and need not set up a plurality of draw-in grooves, and application scope is wider, has the practicality.

2. This ventilation system installation rivet hole position inspection tool in nuclear island, when need not use detection instrument, place the inspection board in accomodating the frame, inspection board extrusion dead lever and spring downstream, the second fixed block is in by the extruded state, when the second fixed block runs into the third draw-in groove, the second fixed block and third draw-in groove joint, the inspection board is accomplished and is accomodate, when needs use the inspection board, to promoting the second pull rod in accomodating the frame, make the second pull rod release the third draw-in groove with the second fixed block, the spring loses fixed mahjong inspection board and pops out accomodating the frame, the convenience is accomodate and is taken out the inspection board, this device conveniently carries to accomodating of pick-up plate, and has the practicality.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or in the prior art will be briefly described below.

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

FIG. 2 is a schematic view of the structure of the thread block of the present invention;

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

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

Description of reference numerals: 1. inspecting the board; 2. a handle; 3. a threaded rod; 4. a thread block; 5. a first chute; 6. a hand wheel; 7. a first fixed block; 8. an adjusting block; 9. adjusting a rod; 10. flattening; 11. a first card slot; 12. a movable hole; 13. a first pull rod; 14. a second card slot; 15. a tip; 16. a storage frame; 17. a protective door; 18. a spring; 19. fixing the rod; 20. a second fixed block; 21. a third card slot; 22. a second pull rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, a tool for inspecting a rivet hole position in a ventilation system installation in a nuclear island comprises an inspection plate 1, wherein a handle 2 is welded on the outer side of the inspection plate 1, a threaded rod 3 is inserted and arranged on the inspection plate 1, a threaded block 4 is in threaded connection with the threaded rod 3, a first sliding groove 5 is formed in the threaded block 4, the number of the first sliding grooves 5 is five, the five first sliding grooves 5 are in a parallel state, a hand wheel 6 is fixedly connected on the outer side of the threaded rod 3, a first fixing block 7 is slidably connected on the first sliding groove 5, an adjusting block 8 is fixedly connected on the first fixing block 7, an adjusting rod 9 is inserted and arranged in the adjusting block 8, a flat end 10 is fixedly connected on the adjusting rod 9, a first clamping groove 11 is formed in the adjusting block 8, a movable hole 12 is formed in one side of the adjusting block 8 away from the first clamping groove 11, a first pull rod 13 is inserted and arranged in the movable hole, second draw-in groove 14 has been seted up on first pull rod 13, adjust pole 9 and second draw-in groove 14 joint, swing joint has most advanced 15 on the inspection board 1, the outside of inspection board 1 is provided with accomodates frame 16, it has shutter 17 to accomodate to articulate on the frame 16, the inner wall bottom fixedly connected with spring 18 of accomodating frame 16, the quantity of spring 18 is two, equal fixedly connected with dead lever 19 on two springs 18, the equal fixedly connected with second fixed block 20 of one end of every dead lever 19, accomodate and seted up third draw-in groove 21 on the frame 16, the quantity of third draw-in groove 21 is two, two second fixed blocks 20 respectively with two third draw-in groove 21 joints, it is provided with two second pull rods 22 to accomodate the one side that just is located third draw-in groove 21 on the frame 16 and.

When the adjusting device is used, the hand wheel 6 is rotated to enable the threaded rod 3 to rotate forwards and backwards, the threaded rod 3 can drive the threaded block 4 connected with the threaded rod 3 to do reciprocating motion in the horizontal direction when rotating, the first fixing block 7 can slide on the threaded block 4 due to the movement of the threaded block 4, the first fixing block 7 can do telescopic motion in the horizontal direction on the threaded block 4 due to the fact that the threaded block 4 is provided with the first sliding grooves 5 with different lengths, when the first fixing block 7 is located in the center of the threaded block 4, the length of the threaded block 4 close to one side of the tip 15 is smaller than that of the first fixing block 7 located on the upper side and the lower side of the threaded block 4, the distance between the flat end 10 and the tip 15 can be adjusted accordingly, and then when the vertical length of the flat end 10 needs to be adjusted, after the flat end 10 is adjusted to the needed length, the first pull rod 13 is inserted into the movable hole 12 to enable the adjusting rod 9 to be clamped with the second clamping groove, first pull rod 13 and first draw-in groove 11 joint, thereby it is fixed to be put the flat end 10, be applicable to most advanced 15's regulation like the same, again, when need not use the detection instrument, place inspection board 1 in accomodating frame 16, inspection board 1 extrusion dead lever 19 and spring 18 downstream, second fixed block 20 is in by the extruded state, when second fixed block 20 meets third draw-in groove 21, second fixed block 20 and third draw-in groove 21 joint, inspection board 1 accomplishes accomodating, when needs use inspection board 1, to accomodating frame 16 in promoting second pull rod 22, make second pull rod 22 release third draw-in groove 21 with second fixed block 20, spring 18 loses fixed mahjong inspection board 1 and pops out accomodating frame 16, convenient accomodating and taking out of inspection board 1.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a ventilation system installation rivet hole position inspection instrument in nuclear island, includes inspection board (1), its characterized in that: the inspection plate is characterized in that a threaded rod (3) is arranged on the inspection plate (1) in an alternating mode, a threaded block (4) is connected onto the threaded rod (3) in a threaded mode, a first sliding groove (5) is formed in the threaded block (4), a first fixed block (7) is connected onto the first sliding groove (5) in a sliding mode, a regulating block (8) is fixedly connected onto the first fixed block (7), a regulating rod (9) is arranged in the regulating block (8) in an alternating mode, a flat end (10) is fixedly connected onto the regulating rod (9), a first clamping groove (11) is formed in the regulating block (8), a movable hole (12) is formed in one side, away from the first clamping groove (11), of the regulating block (8), a first pull rod (13) is arranged in the movable hole (12) in an alternating mode, a tip (15) is movably connected onto the inspection plate (1), and an accommodating frame (16) is arranged, accomodate that it has shutter (17) to articulate on frame (16), the inner wall bottom fixedly connected with spring (18) of accomodating frame (16), the quantity of spring (18) is two, equal fixedly connected with dead lever (19) on two springs (18), the equal fixedly connected with second fixed block (20) of one end of every dead lever (19), accomodate and seted up third draw-in groove (21) on frame (16), it has two second pull rods (22) to accomodate on frame (16) and to alternate in one side that is located third draw-in groove (21).

2. The tool for inspecting the mounting rivet hole position of the ventilation system in the nuclear island according to claim 1, wherein: the handle (2) is welded on the outer side of the inspection plate (1).

3. The tool for inspecting the mounting rivet hole position of the ventilation system in the nuclear island according to claim 1, wherein: the number of the first sliding grooves (5) is five, and the five first sliding grooves (5) are in a parallel state.

4. The tool for inspecting the mounting rivet hole position of the ventilation system in the nuclear island according to claim 1, wherein: the outer side of the threaded rod (3) is fixedly connected with a hand wheel (6).

5. The tool for inspecting the mounting rivet hole position of the ventilation system in the nuclear island according to claim 1, wherein: first pull rod (13) and first draw-in groove (11) joint, second draw-in groove (14) have been seted up on first pull rod (13), adjust pole (9) and second draw-in groove (14) joint.

6. The tool for inspecting the mounting rivet hole position of the ventilation system in the nuclear island according to claim 1, wherein: the number of the third clamping grooves (21) is two, and the two second fixing blocks (20) are respectively clamped with the two third clamping grooves (21).