CN1733418A

CN1733418A - Flange positioner

Info

Publication number: CN1733418A
Application number: CN 200510081591
Authority: CN
Inventors: 白天海
Original assignee: First Co Of Industrial Equipment Installation Company China Constructional
Current assignee: First Co Of Industrial Equipment Installation Company China Constructional
Priority date: 2000-12-08
Filing date: 2001-12-07
Publication date: 2006-02-15

Abstract

This invention provides a flange locator for welding of flange and pipe that comprises location device and locking device. Wherein, it can ensure the quality and accuracy of locating without adjusting to the parallel surface and axiality; when welding flange, operating flange locator to cover the flange on tension mechanism and convex desk of axis sleeve; keeping the flange inner diameter close to axiality location bar and covering into pipe to catch the flange on location plate surface by pressing locking compression bar; then, the parallel surfaces and axiality are completed. The invention can increase work efficiency more than one time.

Description

Flange positioner

Technical field

The present invention relates to flange positioner, be used for parallel surface, the axiality of control flange and pipeline welding process, to meet code requirement.

Background technology

Do not find similar techniques by retrieval as yet, existing flange is installed needs welder and plumber's compounding practice.Centering is also adopting the angle square repeated measurement, and method falls behind, and efficient is extremely low, influences construction speed and installation quality.Also have in the construction and adopt mechanical linkage to stretch in the pipe after operation locking, again flange is carried out the centering adjustment, the same existence adjusted the loaded down with trivial details of operation, and efficient is not high, makes troubles to construction.

Summary of the invention

The purpose of this invention is to provide a kind of location quick and precisely, do not need that the centering adjustment is operated, can be ensured the quality of products, reusable flange positioner.

For achieving the above object, flange positioner of the present invention is formed the tight flange positioner of twin-lock by positioner and locking device.

Mechanical double locking flange positioner is equipped with two cover locking devices and locks flange and pipe respectively on same axis.

It is characterized in that: location-plate becomes 90 ° to be connected with locating shaft, the locking device of locking flange radially is equipped with strainer uniformly at locating shaft, movable connecting bushing is housed on the locating shaft, it is the tooth pipe that front end is housed in the locating shaft, in be hollow inner cone post, the inclined-plane of inner cone post cooperates in pairs with the inclined-plane of strainer, CONTACT WITH FRICTION, the tooth pipe passes in the hole of location-plate through hinge and is connected with the locking depression bar, the locking device of locking pipe, bore the hole of the ratch of post front end by cylinder body thereafter, the inner chamber of inner cone post exposes in the breach of tooth pipe end, be connected with the locking depression bar through hinge, the termination of cylinder body is connected with the big chamber of locating shaft and communicates, the other end is cock, the inclined-plane of back awl post cooperates CONTACT WITH FRICTION in pairs with the inclined-plane of the motion bar of strainer; Positioner comprises locating shaft, location-plate and axle sleeve.

The locking device of the locking device of locking flange and locking pipe is locked flange and pipe respectively at same axis.

The fulcrum of locking depression bar, brake bar is positioned on the hinge fixed bar with hinge, and brake bar can be braked the tooth pipe by the brake bar on the brake bar seat, spring.

Shock mount on inner cone post and back awl post, one end of the spring on the inner cone post props up the step of interior loculus of locating shaft and big chamber formation, end is against on the boss at inner cone post rear portion in addition, spring one end on the awl post of back props up interior loculus of cylinder body and the step that big chamber constitutes, and holds in addition on the boss that props up back awl post.

Fix wearing piece above the carbon steel coupon of strainer, fixing flat thin magnet on the locating shaft below the carbon steel coupon, connecting bourdon tube below the carbon steel coupon, the spring compression socket cap in the bourdon tube, the inclined-plane of motion bar enters loculus.

Because two cover locking devices are at same axis, each strainer specification is identical, and the inclined-plane specification unanimity of each forward and backward awl post, locking flange and pipe are installed at circumference uniform distribution.They are just at same axis.Flange face and location-plate plane are close to, with locating shaft be 90.So, the vertical and tube axis of flange face.

Above-mentioned flange positioner is characterised in that the location-plate plane of flange positioner and the axis of locating shaft are 90 °, when finishing the flange location, parallel surface, the axiality of flange is not carried out centering adjustment operation.

The present invention during the operation flange positioner, does not need parallel surface, axiality to flange to carry out the centering adjustment through using proof, can finish the flange location fast and accurately. and save labour 50%, improve work efficiency more than 10 times.

Description of drawings

Fig. 1 is the schematic sectional view of mechanical double locking flange positioner:

Fig. 2 is the strainer schematic sectional view of mechanical double locking flange positioner:

The contrast description of drawings, press each concrete parts in the order further explanatory drawings of Fig. 1 to Fig. 2:

Among Fig. 1: 1, location-plate, 2, pipe, 3. boss, 4, strainer, 5, locking device, 6. brake bar, 7. brake bar seat, 8. ratch, 9. tooth pipe, 10. hinge, 11. hinge fixed bars, 12. locking depression bars, 13. brake bars, 14. the hole, 15. inclined-planes, 16. locating shafts, 17. axle sleeves, 18. groove, 19. loculuses, 20. big chambeies, 21. inner cone posts, 22. cylinder body, 23. back awl posts,, 24. cocks; Among Fig. 2: 25. rivets, 26. magnet, 27. springs, 28. bourdon tubes, 29. friction plates, 30. carbon steel coupons, 31. screws, 32. garden column caps, 33. motion bars, 34. hollow cocks, 35. flanges, 36, the location-plate plane.

The specific embodiment

Among Fig. 1, the tight flange positioner of twin-lock is equipped with two cover locking devices 5 and locks flange 35, pipe 2 respectively on same axis, the locking device 5 of locking flange 35 radially is equipped with several strainers 4 uniformly at locating shaft 16, dress axle sleeve 17 on the locating shaft 16, in the locating shaft 16 the dress front ends be tooth pipe 9, in be hollow inner cone post 21, the inclined-plane 15 of inner cone post 21 cooperates CONTACT WITH FRICTION in pairs with the inclined-plane 15 of strainer 4.Tooth pipe 9 passes in the hole 14 of location-plate 1 through hinge 10 and is connected with locking depression bar 12, the fulcrum of locking depression bar 12, brake bar 13 is positioned on the hinge fixed bar 11 with hinge 10, and brake bar 13 can be braked by the brake bar on the

brake bar seat

76,27 pairs of tooth pipes 9 of spring.

The locking device 5 of locking pipe 2 is bored the ratch 8 of post 23 front ends thereafter and is exposed in the breach of tooth pipe 9 ends by the hole 14 of cylinder body 22, the inner chamber of inner cone post 21, is connected with locking depression bar 12 through hinge 10.The termination of cylinder body 22 is connected with the big chamber 20 of locating shaft 16 and communicates, and the other end is cock 24.

Among Fig. 2: fixing friction plate 29 above the carbon steel coupon 30 of strainer 4, fixing 26 of magnet on the locating shaft 16 below the carbon steel coupon 30, connect bourdon tube 28 below the carbon steel coupon 30, bourdon tube 28 built-in springs 27 compress socket cap 32, and the inclined-plane 15 of movable depression bar enters loculus 19.

During 35 lockings of downhand welding formula flange, flange 35 is enclosed within on the boss 3 of strainer 4 and axle sleeve 17, flange 35 faces are adjacent to location-plate plane 36, hold brake bar 13 and locking depression bar 12 simultaneously, and pulling brake bar 6 separating tooth pipes 9, press

locking depression bar

12 and 21 operations forward of pulling inner cone post, radial motion tensioning flange 35 is outwards made on the inclined-plane 15 of the inclined-plane 15 pairing promotion strainers of inner cone post 21.Owing to be provided with spring 27 in the strainer 4, spring 27 produces the variation of power in compression process, can be according to the specification and the construction needs of flange 35, different tensile forces pressurizes, has the leeway of selecting between proper tooth when also making brake bar 6 insert tooth pipe 9, then, take-off the brake bar 13 inserts in the tooth pipes 9 brake bar 6 and brakes, make flange 35 be in tensioning state, when eliminating braking, spur brake bar 6 separating tooth pipes 9 earlier, lift locking depression bar 12 again, the carbon steel coupon 30 of strainer 4 resets under the effect of magnet 26, and the spring 27 on inner cone post 21 external diameters moves it to reset backward, and braking is eliminated.

Locking is during pipe 2, earlier pipe 2 inserted on flange 35 internal axle sleeves 17 of being locked by flange positioner, and pipe end withstands the boss 3 of axle sleeve 17, operates locking device 5 then, and locking and elimination brake operating step are the same.

Use depression bar to spur forward and backward awl post in the locking device and finish locking function, also can adopt the form of leading screw pulling to replace depression bar, but the formal operations of depression bar pulling are fast and simple.

The present invention is not limited to the concrete structure of above-mentioned embodiment; the above only is a preferred implementation of the present invention; protection scope of the present invention should comprise those of ordinary skill in the art under the prerequisite that does not exceed the principle of the invention, some modification and the improvement done.

Claims

1. flange positioner that is used for the welding of flange and pipe, form by positioner and locking device, it is characterized in that: location-plate (1) becomes 90 ° with locating shaft (16) and is connected, the locking device (5) of locking flange (35) radially is equipped with strainer (4) uniformly at locating shaft (16), movable connecting bushing (17) is housed on the locating shaft (16), it is tooth pipe (9) that front end is housed in the locating shaft (16), in be hollow inner cone post (21), the inclined-plane (15) of inner cone post (21) cooperates in pairs with the inclined-plane (15) of strainer (4), CONTACT WITH FRICTION, tooth pipe (9) passes in the hole (14) of location-plate (1) through hinge (10) and is connected with locking depression bar (12), the locking device (5) of locking pipe (2), bore the hole (14) of the ratch (8) of post (23) front end by cylinder body (22) thereafter, the inner chamber of inner cone post (21) exposes in the breach of tooth pipe (9) end, be connected with locking depression bar (12) through hinge (10), the big chamber (20) of the termination of cylinder body (22) and locating shaft (16) is connected and communicates, the other end is cock (24), the inclined-plane (15) of back awl post (23) cooperates CONTACT WITH FRICTION in pairs with the inclined-plane (15) of the motion bar (33) of strainer.

2. flange positioner according to claim 1 is characterized in that: the locking device (5) of the locking device (5) of locking flange (35) and locking pipe (2) is locked flange (35) and pipe (2) respectively at same axis.

3. flange positioner according to claim 1, it is characterized in that: the fulcrum of locking depression bar (12), brake bar (13) is positioned on the hinge fixed bar (11) with hinge (10), and brake bar (13) can be braked tooth pipe (9) by the brake bar (6) on the brake bar seat (7), spring (27).

4. flange positioner according to claim 1, it is characterized in that: go up each shock mount (27) at inner cone post (21) and back awl post (23), one end of the spring (27) on the inner cone post (21) props up the step of interior loculus of locating shaft (16) (19) and big chamber (20) formation, end is against on the boss (3) at inner cone post (21) rear portion in addition, spring (27) one ends on the back awl post (23) prop up interior loculus (19) of cylinder body (22) and the step that big chamber (20) constitutes, and hold on the boss that props up back awl post (23) in addition.

5. flange positioner according to claim 1, it is characterized in that: fixing wearing piece (29) above the carbon steel coupon (30) of strainer (4), fixing magnet (26) sheet on the locating shaft (16) below the carbon steel coupon (30), connect bourdon tube (28) below the carbon steel coupon (30), spring (27) in the bourdon tube (28) compresses socket cap (32), and the inclined-plane (15) of motion bar (33) enters loculus (19).