CN207629500U - Pipe fitting and otic placode positioning tool in header - Google Patents

Abstract

The utility model is related to pipe fitting in a kind of header and otic placode positioning tools, including pedestal, pedestal is equipped with supporting rack, girder is fixed on the base by support frame as described above, the girder is the rectangular shape of left and right opening, inner hollow, is equipped with shifting chute in the rear and front end of the girder, further includes pipe fitting positioning device and otic placode positioning device, it is by the way that pipe fitting positioning device and otic placode positioning device, advantage is arranged：Simple in structure, easy to use, the welding deformation that pipe fitting and otic placode can be effectively controlled by tooling shifts, and improves verticality, reduces scale error, saves time and resources costs.

Description

Header upper pipe joint and lug plate positioning tooling

technical field

The utility model belongs to the mechanical field, in particular to a header upper pipe joint and an ear plate positioning tool.

Background technique

Header, also known as header, is used to collect or distribute steam and water working fluid, reduce the transmission and connection pipes of working fluid, and reduce the number of holes in the boiler drum, which is conducive to improving the safety performance of the drum. The header is actually a large-diameter pipe connected to many heating surface pipes. It is made of seamless steel pipes, and the flat heads (end covers) are welded at both ends; when welding pipe joints or ear plates on the header, it is very difficult to It is easy to tilt or angle deviation, which will cause our welding deformation and displacement, which will affect the quality of work. If we re-weld, it will waste time and consume cost resources.

Utility model content

In order to solve the above problems, the utility model has developed a header upper pipe joint and ear plate positioning tool to solve the above defects. The technical solution adopted is: the header upper pipe joint and ear plate positioning tool, including the base, The base is provided with at least two support frames, and the main beam is fixed on the base through the support frames. The main beam is in the shape of a cuboid with left and right openings and a hollow interior. There is at least one elongated moving slot, which is characterized in that it also includes a pipe joint positioning device and an ear plate positioning device, and the pipe joint positioning device and the lug plate positioning device are both provided with through holes, and the screws and nuts pass through the through holes. The holes respectively fix the pipe joint positioning device and the lug plate positioning device on the main beam, and the length of the screw is 10-20 cm.

Preferably, the pipe joint positioning device includes a first V-shaped plate, a second V-shaped plate, and a square stabilizer, one end of the square stabilizer is fixed on the second V-shaped plate, and the other end is opened with a circle The hole is provided with an internal thread, the tightening roller passes through the hole and can be in contact with the first V-shaped plate, and the tightening roller is provided with an external thread, and the second V-shaped plate A first through hole is provided, through which screws and nuts can fix the pipe joint positioning device on the main beam.

When working, place the pipe on the base, align the first through hole on the second V-shaped plate with the moving groove on the main beam, and pass the screw through the second V-shaped plate and the main beam. After the position is determined , the nut can be tightened to the screw to play a stable role, and the pipe joint is placed on the pipe, that is, in the middle of the first V-shaped plate and the second V-shaped plate. At this time, rotate the handle on the pipe joint positioning device , by rotating the handle to the first V-shaped plate until it is against the first V-shaped plate, the pipe joint and the pipe are in a very firm state at this time, and there will be no shaking, and the pipe joint and the pipe can be welded.

Preferably, the ear plate positioning device includes two mutually perpendicular fixing plates, which are respectively the first fixing plate and the second fixing plate, and the upper and lower ends of the two fixing plates are provided with stabilizing plates, which are respectively upper stabilizing plates and the lower stabilizing plate, the first fixing plate is provided with two holes, the holes on the first fixing plate are connected to the ear plate with two openings, and the end of the ear plate close to the pipe is set as an inner Arc-shaped, the second fixing plate is provided with a second through hole, and screws and nuts can pass through the second through hole to fix the ear plate positioning device on the main beam.

When working, the ear plate is fixed on the first fixed plate, and one end of the ear plate is provided with an inner circular arc shape, corresponding to the shape of the pipe, and can ride on the pipe. The second through hole is arranged on the second fixed plate and the main The moving groove on the beam is aligned, the screw is passed through the second through hole and the main beam, and the nut is tightened to tighten the screw, the stabilizing lug plate positioning device can stabilize the lug plate and prevent it from shaking, and the lug plate and the pipe can be connected. welding.

Preferably, both ends of the tightening roller are provided with handles.

The handle can be conveniently grasped and exerted force, and it is more convenient and labor-saving to use.

Preferably, the internal thread on the circular hole corresponds to the external thread on the tightening roller.

Preferably, the size of the through hole corresponds to the diameter of the screw.

Preferably, the diameter of each through hole is consistent with the width of the elongated moving slot on the main beam.

Preferably, the second V-shaped plate of the pipe joint positioning device is provided with a first convex plate and the upper stable plate of the ear plate positioning device is provided with a second convex plate.

The setting of the first convex plate and the second convex plate can make the first convex plate and the second convex plate be placed on the upper end of the main beam, which can play a stable role, and also facilitate the positioning of the pipe joint positioning device and the lug plate. The positioning device moves within the range of the moving slot.

When working, place the pipe on the base, align the first through hole on the second V-shaped plate with the moving groove on the main beam, and pass the screw through the second V-shaped plate and the main beam. After the position is determined , the nut can be tightened to the screw to play a stable role, and the pipe joint is placed on the pipe, that is, in the middle of the first V-shaped plate and the second V-shaped plate. At this time, rotate the handle on the pipe joint positioning device , by rotating the handle to the first V-shaped plate until it touches the first V-shaped plate, the pipe joint and the pipe are in a very firm state at this time, and there will be no shaking, and the pipe joint and pipe can be welded. The pipe joint positioning device There is a handle for easy grip and force, which is more convenient and labor-saving to use; the ear plate is fixed on the first fixed plate, and one end of the ear plate is provided with an inner arc shape, corresponding to the shape of the pipe, and can ride on the pipe First, align the second through hole on the two fixing plates with the moving groove on the main beam, pass the screw through the second through hole and the main beam, and tighten the screw with a nut to stabilize the ear plate positioning device. Stabilize the lug plate to prevent it from sloshing, and the welding between the lug plate and the pipe can be carried out. The setting of the first convex plate and the second convex plate can make the first convex plate and the second convex plate be placed on the upper end of the main beam , can play a stable role, and is also convenient for the pipe joint positioning device and ear plate positioning device to move within the range of the moving groove.

The beneficial effects of the utility model for positioning the pipe joints and ear plates on the header are: simple structure, easy to use, the welding deformation and displacement of the pipe joints and ear plates can be effectively controlled by the tooling, the verticality can be improved, and the size can be reduced errors, saving time and resource costs.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the pipe joint positioning device of the present invention;

Fig. 3 is a structural schematic diagram of the pipe joint positioning device in working state;

Fig. 4 is a structural schematic diagram of the working state of the ear plate positioning device;

Figure 5 is an enlarged view of the lug plate;

Figure 6 is an enlarged view of the screw nut;

Among them, 1-base, 2-support frame, 3-main beam, 31-moving slot, 4-pipe, 51-first V-shaped plate, 52-second V-shaped plate, 521-first through hole, 522- The first convex plate, 53-square stabilizer, 54-round hole, 55-tightening roller, 56-handle, 61-first fixed plate, 62-second fixed plate, 621-second through hole, 63-upper stable Plate, 631-second convex plate, 64-ear plate, 65-lower stable plate, 611-hole, 641-opening hole, 7-screw, 8-nut.

Detailed ways

As shown in Figure 1-6, the header upper pipe joint and lug plate positioning tool includes a base 1 on which at least two support frames 2 are arranged, and the main beam 3 is fixed on the base 1 through the support frames 2 , the main beam 3 is a cuboid shape with left and right openings and a hollow interior, at least one elongated moving groove 31 is provided at the front and rear ends of the main beam 3, and also includes a pipe joint positioning device and an ear plate positioning device, Both the pipe joint positioning device and the lug plate positioning device are provided with circular through holes, and the screws 7 and nuts 8 respectively fix the pipe joint positioning device and the lug plate positioning device on the main beam 3 through the through holes , the diameter of each through hole is consistent with the width of the elongated moving groove 31 on the main beam 3 . The size of each through hole is consistent with the diameter of the screw 7, and the length of the screw 7 is 10-20 cm; the pipe joint positioning device includes a first V-shaped plate 51 and a second V-shaped plate 52 , and a square stabilizer 53, one end of the square stabilizer 53 is fixed on the second V-shaped plate 52, the other end has a circular hole 54, the circular hole 54 is provided with internal threads, and the tightening roller 55 wears The circular hole 54 can be in contact with the first V-shaped plate 51, and the tightening roller 55 is provided with external threads, and the internal threads on the circular hole 54 correspond to the external threads on the tightening roller 55, so Both ends of the tightening roller 55 are provided with handles 56, and the second V-shaped plate 52 is provided with a first through hole 521, and the screw 7 and the nut 8 can pass through the first through hole 521 to make the pipe joint positioning device fixed on the main beam; the ear plate positioning device includes two mutually perpendicular fixed plates, respectively the first fixed plate 61 and the second fixed plate 62, and the upper and lower ends of the two fixed plates are provided with stabilizing plates, They are an upper stabilizing plate 63 and a lower stabilizing plate 65 respectively. Two holes 611 are arranged on the first fixing plate, and the holes 611 on the first fixing plate 61 are connected to the lug plate 64 with two openings 641. One end near the pipe of the ear plate 64 is set as an inner arc, and the second fixing plate 62 is provided with a second through hole 621, and the screw 7 and the nut 8 can pass through the second through hole 621 to make the ear plate The positioning device is fixed on the main beam 3 , the second V-shaped plate 52 of the pipe joint positioning device is provided with a first convex plate 522 and the upper stable plate 63 of the ear plate positioning device is provided with a second convex plate 631 .

When working, place the pipe on the base, align the first through hole on the second V-shaped plate with the moving groove on the main beam, and pass the screw through the second V-shaped plate and the main beam. After the position is determined , the nut can be tightened to the screw to play a stable role, and the pipe joint is placed on the pipe, that is, in the middle of the first V-shaped plate and the second V-shaped plate. At this time, rotate the handle on the pipe joint positioning device , by rotating the handle to the first V-shaped plate until it touches the first V-shaped plate, the pipe joint and the pipe are in a very firm state at this time, and there will be no shaking, and the pipe joint and pipe can be welded. The pipe joint positioning device There is a handle for easy grip and force, which is more convenient and labor-saving to use; the ear plate is fixed on the first fixed plate, and one end of the ear plate is provided with an inner arc shape, corresponding to the shape of the pipe, and can ride on the pipe First, align the second through hole on the two fixing plates with the moving groove on the main beam, pass the screw through the second through hole and the main beam, and tighten the screw with a nut to stabilize the ear plate positioning device. Stabilize the lug plate to prevent it from sloshing, and the welding between the lug plate and the pipe can be carried out. The setting of the first convex plate and the second convex plate can make the first convex plate and the second convex plate be placed on the upper end of the main beam , can play a stable role, and is also convenient for the pipe joint positioning device and ear plate positioning device to move within the range of the moving groove.

The above is only the preferred solution of the utility model, not as a further limitation of the utility model, and all equivalent changes made by using the specification and drawings of the utility model are within the protection scope of the utility model.

Claims (8)

1. pipe fitting and otic placode positioning tool in header, including pedestal（1）, pedestal is equipped at least two supporting racks（2）, girder （3）Pass through support frame as described above（2）It is fixed on the pedestal（1）On, the girder（3）For left and right opening, inner hollow it is rectangular Shape, in the girder（3）Rear and front end be equipped at least one elongated shifting chute（31）, which is characterized in that also wrap Pipe fitting positioning device and otic placode positioning device are included, the pipe fitting positioning device and otic placode positioning device are equipped with round logical Hole, screw（7）And nut（8）The pipe fitting positioning device and otic placode positioning device are fixed on institute respectively by the through-hole State girder（3）On, the screw（7）Length be 10-20cm.

2. pipe fitting and otic placode positioning tool in header as described in claim 1, which is characterized in that the pipe fitting positioning dress It sets including the first V shaped slab（51）With the second V shaped slab（52）And rectangular steady rest（53）, the rectangular steady rest（53）One end It is fixed on second V shaped slab（52）On, the other end is provided with circular hole（54）, the circular hole（54）It is equipped with internal thread, tightens roller （55）Across the circular hole（54）It can be with first V shaped slab（51）It is in contact, and tightens roller（55）It is equipped with external screw thread, it is described Second V shaped slab（52）It is equipped with first through hole（521）, screw（7）And nut（8）First through hole can be passed through（521）Make the pipe Joint locating device is fixed on girder.

3. pipe fitting and otic placode positioning tool in header as described in claim 1, which is characterized in that the otic placode positioning device Including two pieces of orthogonal fixed plates, respectively the first fixed plate（61）With the second fixed plate（62）, the two fixed plates Upper and lower ends be equipped with steadying plate, respectively upper steadying plate（63）With lower steadying plate（65）, first fixed plate is equipped with two A hole（611）, first fixed plate（61）On hole（611）There are two trepannings for connect band（641）Otic placode（64）, the ear Plate（64）One end of close pipe be set as inner circle arc, second fixed plate（62）It is equipped with the second through-hole（621）, screw （7）And nut（8）The second through-hole can be passed through（621）The otic placode positioning device is set to be fixed on the girder（3）On.

4. pipe fitting and otic placode positioning tool in header as claimed in claim 2, which is characterized in that described to tighten roller（55）'s Both ends are equipped with handle（56）.

5. pipe fitting and otic placode positioning tool in header as claimed in claim 2, which is characterized in that the circular hole（54）On Internal thread and tighten roller（55）On external screw thread it is corresponding.

6. pipe fitting and otic placode positioning tool in header as described in claim 1, which is characterized in that each the through-hole is big The small and screw（7）Diameter it is in the same size.

7. pipe fitting and otic placode positioning tool in header as described in claim 1, which is characterized in that each the through-hole is straight Diameter and the girder（3）On elongated shifting chute（31）Width it is in the same size.

8. pipe fitting and otic placode positioning tool in header as claimed in claim 3, which is characterized in that the pipe fitting positioning dress The second V shaped slab set（52）Equipped with the first protrusive board（522）With the upper steadying plate of otic placode positioning device（63）Equipped with the second protrusive board （631）.