CN210524267U

CN210524267U - Threaded eccentric branch pipe seat and welding fixture thereof

Info

Publication number: CN210524267U
Application number: CN201920868019.6U
Authority: CN
Inventors: 黄国洪; 胡仁兴; 王粉兰
Original assignee: Jiangyin Nanfang Pipes Making Co ltd
Current assignee: Jiangyin Nanfang Pipes Making Co ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-05-15
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a screw thread eccentric branch pipe seat and welding jig thereof, the screw thread eccentric branch pipe seat includes the person in charge and eccentric branch pipe seat, the annular surface of the person in charge is located the top right side and is provided with eccentric branch pipe seat, eccentric branch pipe seat is through-connected in the top right side of the person in charge through the welding, the crossing of eccentric branch pipe seat and the person in charge is located the surface of the person in charge and is provided with the cladding metal circle, the cladding metal circle is fixed in the crossing of the person in charge and eccentric branch pipe seat through the hot melt, the top of eccentric branch pipe seat is provided with the screw thread branch pipe, the bottom port of screw thread branch pipe is fixed in the top port department of eccentric branch pipe seat through the mutual interlock between the screw thread, can insert in the inside of bearing through the threaded rod, moves about under the condition of not changing the direction, such setting can be under the, convenient adjustment is carried out, and the use is more diversified.

Description

Threaded eccentric branch pipe seat and welding fixture thereof

Technical Field

The utility model belongs to the technical field of the welding is relevant, concretely relates to eccentric branch pipe seat of screw thread and welding jig thereof.

Background

It can be seen by combining the original structure schematic diagram before changing the butt welding eccentric branch pipe seat in the attached figure 5, when the radial side surface of the main pipeline is perforated for the threaded connection of the pipeline branches, firstly, one end of the pipe section connected with the main pipeline is made into a shape matched with the outline of the excircle of the main pipeline, threads are processed at the other end of the pipe section welded with the branch pipeline, then, one end of the pipe section is leaned against the excircle of the main pipeline to find the branch position, the perforation line of the main pipeline is drawn according to the shape of the inner diameter of the end of the pipe section, then, the main pipeline is perforated along the line, and the inner diameter; intensity reduces after trunk line trompil, need carry out the trompil reinforcement, the mode that adopts the reinforcement circle usually carries out the reinforcement, consequently need purchase or use the steel sheet preparation a surface and trunk line excircle surface shape the reinforcement circle that accords with, embolia the pipeline section with it and lay on the trunk line, the hole that follows the reinforcement circle and the mode welding that the outer fringe adopted the build-up welding on trunk line and pipeline section, the effect of trompil reinforcement is played jointly to the cladding metal of reinforcement circle and build-up welding seam, reuse another pipeline part pair screw mouth ferrule and pipe section and pipeline branch thread connection at last.

The existing technology of the threaded eccentric branch pipe seat and the welding clamp thereof has the following problems: the two end parts of the pipe section need to be processed and manufactured on site, so that the two end parts are consistent with the outer circle surface of the main pipe and a welding groove is processed, and the difficulty is high; still need make in addition or purchase the reinforcement circle and accomplish the welding of reinforcement circle and trunk line and pipeline section, welding construction time is long, still need use the two screw collars of purchase to connect pipeline section and pipeline, the cost is great, the welded in-process, when the size of eccentric branch pipe seat is the indeterminate value, the specification of self centre gripping then can't be adjusted according to the variable of size to current welding jig, it is comparatively single to use, and the limitation is great, be unfavorable for carrying out diversified use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a threaded eccentric branch pipe seat and a welding fixture thereof, which aims to solve the problems that the two end parts of the pipe section need to be processed and manufactured on site, the two end parts conform to the outer circle surface of the main pipe and are processed with welding grooves, and the difficulty is higher; still need make in addition or purchase the reinforcement circle and accomplish the welding of reinforcement circle and trunk line and pipeline section, welding construction time is long, still need use the two screw collars of purchase to connect pipeline section and pipeline, the cost is great, the welded in-process, when the size of eccentric branch pipe seat is the indeterminate value, the specification of self centre gripping then can't be adjusted according to the variable of size to current welding jig, it is comparatively single to use, and the limitation is great, be unfavorable for carrying out the problem of diversified use.

In order to achieve the above object, the utility model provides a following technical scheme:

a threaded eccentric branch pipe seat comprises a main pipe and an eccentric branch pipe seat, wherein the eccentric branch pipe seat is arranged on the right side of the top end of the annular outer surface of the main pipe, the eccentric branch pipe seat is connected to the right side of the top end of the main pipe in a penetrating way by welding, the wall thickness of the upper half section of the right side of the eccentric branch pipe seat is larger than that of the lower half section, wherein the wall thickness of the upper half section is equal, the wall thickness of the lower half section is gradually increased from bottom to top until the wall thickness is equal to that of the upper half section, thereby the strength of the eccentric branch pipe seat can meet the requirement, the intersection position of the eccentric branch pipe seat and the main pipe is provided with a melting metal ring on the outer surface of the main pipe, the melting metal ring is fixed at the intersection of the main pipe and the eccentric branch pipe seat through hot melting, a threaded branch pipe is arranged above the eccentric branch pipe seat, and the bottom end port of the threaded branch pipe is fixedly connected to the top end port of the eccentric branch pipe seat through mutual engagement between threads.

Preferably, the back plates are arranged at the rear sides of the main pipe and the eccentric branch pipe seats, the right end face of each back plate is fixedly connected with the extension plate through welding, the front end face of the extension plate is fixedly connected with the rotary slot by welding, the left side of the back plate is fixedly connected with the back plate at the upper left position by welding, the left side of the back plate is fixedly connected with a lower limiting plate at the lower left position by welding, the right sides of the back plate and the lower limiting plate are respectively provided with an eccentric branch pipe seat and a main pipe, the right sides of the eccentric branch pipe seat and the main pipe are provided with clamping plates, the right end surface of each clamping plate is fixedly connected with a rotary bearing seat in the middle position through welding, a threaded rod is inserted in the right end face of the rotary bearing seat at the center position and transversely penetrates through the rotary slot, the right end face of the rotary slot is provided with a handle which is fixed at the position of the extension plate through insertion.

Preferably, rotary bearing seat includes inserted bar, rectangular channel, bearing and square piece, the right-hand member terminal surface of splint is being located the centre position department and is passing through welded fastening connection inserted bar, the inside of inserted bar is provided with square piece, both ends terminal surface is passing through welded fastening connection inserted bar locating the central point department around the square piece, the inserted bar runs through in the upper and lower both ends of rectangular channel, square piece accessible inserted bar runs through in the rectangular channel and rotates for the rectangular channel, the right-hand member terminal surface of square piece is being located central point department and runs through and is being provided with the bearing, the inner wall of bearing is pegged graft there is the threaded rod.

Preferably, the rotary slot comprises an auxiliary inserted bar, a rectangular frame, a slot and an auxiliary square block, the front end face of the extension plate is fixedly connected with the rectangular frame through welding, the auxiliary square block is arranged inside the rectangular frame, the front end face and the rear end face of the auxiliary square block are fixedly connected with the auxiliary inserted bar through welding at the central position, the auxiliary inserted bar penetrates through the upper end and the lower end of the rectangular frame, the auxiliary square block can penetrate through the auxiliary inserted bar to rotate relative to the rectangular frame, the slot is transversely arranged inside the auxiliary square block in a penetrating mode, and the slot is movably connected with a threaded rod through mutual occlusion between threads.

Preferably, the clamping plate can clamp the eccentric branch pipe seat and the main pipe in an interlayer between the upper limit plate and the lower limit plate under the action of leftward pressure.

Preferably, a large U-shaped groove is formed in the left side of the back plate at the intersection of the main pipe and the eccentric branch pipe seat.

Preferably, the threaded rod can rotate relative to the extension plate, the clamping plate can rotate relative to the back plate, and the relative distance between the upper limiting plate and the lower limiting plate and the clamping plate can be adjusted in the rotating process.

Preferably, when the threaded rod rotates relative to the rotary slot, the clamping plate moves left and right along with the threaded rod.

Compared with the prior art, the utility model provides a screw thread eccentric branch pipe seat and welding jig thereof possesses following beneficial effect:

1. the threaded eccentric branch pipe seat is manufactured in a factory, and the time for processing the welding groove on a construction site is saved by the aid of the machined thread at one end and the other end of the welding groove; the eccentric branch pipe seat body of screw thread designs the enhancement shape that has, and the effect that plays the trompil reinforcement jointly with the cladding metal that the trunk line welding links to each other does not need to use in addition the reinforcement circle to weld the reinforcement, has reduced the welding jobs work load of job site. The threaded eccentric branch pipe seat is directly connected with the branch pipe through threads, a double-screw pipe hoop is not used, and the purchase cost is reduced.

2. Used square piece, square piece is at the in-process that sets up, pegs graft in the inside of rectangular channel through two inserted bars of welding, and it is in the use, and accessible threaded rod pegs graft in the inside of bearing, moves about under the condition that does not change the direction, and such setting can carry out convenient regulation, uses more diversified under the size condition of being unaware eccentric branch pipe seat and being responsible for.

3. The auxiliary square block is used, the auxiliary square block is inserted into the rectangular frame through the welded auxiliary insertion rod in the setting process, a threaded rod is sleeved through the slot in the middle of the auxiliary square block when the auxiliary square block is used, so that the clamping plate can be conveniently moved left and right.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a threaded eccentric branch pipe seat according to the present invention;

FIG. 2 is a schematic structural view of a welding fixture in the threaded eccentric branch pipe seat and the welding fixture thereof provided by the present invention;

FIG. 3 is a schematic structural view of a threaded eccentric branch pipe seat and a rotary shaft bearing seat in the welding fixture thereof according to the present invention;

FIG. 4 is a schematic structural view of a rotary slot in the threaded eccentric branch pipe seat and the welding fixture thereof according to the present invention;

FIG. 5 is a schematic view of the original structure of the threaded eccentric branch pipe seat before the change;

in the figure: 1. a main pipe; 2. a threaded branch pipe; 3. an eccentric branch pipe seat; 4. coating and melting a metal ring; 5. a splint; 6. an upper limiting plate; 7. a back plate; 8. rotating the bearing block; 9. a threaded rod; 10. rotating the slot; 11. an extension plate; 12. a grip; 13. a lower limiting plate; 81. inserting a rod; 82. a rectangular groove; 83. a bearing; 84. a square block; 101. an auxiliary insertion rod; 102. a rectangular frame; 103. a slot; 104. and a secondary square block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides an eccentric nozzle of screw thread, including being responsible for 1 and eccentric nozzle 3, the annular surface of being responsible for 1 is being located the top right side and is being provided with eccentric nozzle 3, eccentric nozzle 3 is through welding through connection in the top right side of being responsible for 1, the crossing of eccentric nozzle 3 and being responsible for 1 is located the surface of being responsible for 1 and is provided with and applies melting metal circle 4, it fixes in the crossing department of being responsible for 1 and eccentric nozzle 3 through the hot melt to apply melting metal circle 4, the top of eccentric nozzle 3 is provided with screw thread branch pipe 2, the mutual interlock fixed connection in the top port department of eccentric nozzle 3 between the screw thread is passed through to the bottom port of screw thread branch pipe 2.

A threaded eccentric branch pipe seat welding fixture comprises a main pipe 1 and a back plate 7 arranged on the rear side of an eccentric branch pipe seat 3, wherein the right end face of the back plate 7 is fixedly connected with an extension plate 11 through welding, the front end face of the extension plate 11 is fixedly connected with a rotary slot 10 through welding, the left side of the back plate 7 is fixedly connected with the back plate 7 at the upper left position, the left side of the back plate 7 is fixedly connected with a lower limiting plate 13 at the lower left position through welding, the right sides of the back plate 7 and the lower limiting plate 13 are respectively provided with the eccentric branch pipe seat 3 and the main pipe 1, the right sides of the eccentric branch pipe seat 3 and the main pipe 1 are provided with a clamping plate 5, the clamping plate 5 can clamp the eccentric branch pipe seat 3 and the main pipe 1 in an interlayer between the upper limiting plate 6 and the lower limiting plate 13 under the action of leftward pressure, after clamping, the main pipe 1 and the eccentric branch pipe seat 3 can be positioned, the left side of backplate 7 is provided with the U type groove of large piece in the crossing department that is located to be responsible for 1 and eccentric branch pipe seat 3, U type groove in use can be convenient for welder and fall the position, can avoid appearing welder and can't carry out welded phenomenon according to the set position, threaded rod 9 can rotate for extension board 11, splint 5 can rotate for backplate 7, go up spacing board 6 and down spacing board 13 between and splint 5's relative distance can adjust at the pivoted in-process, the process of regulation, be the process of carrying out the centre gripping to relative position promptly.

A threaded eccentric branch pipe seat and a welding fixture thereof comprise a rotary bearing seat 8 fixedly connected with the right end face of a clamping plate 5 by welding at the center position, the rotary bearing seat 8 comprises an insert rod 81, a rectangular groove 82, a bearing 83 and a square block 84, the insert rod 81 fixedly connected with the right end face of the clamping plate 5 by welding at the center position, the square block 84 is arranged inside the insert rod 81, the insert rod 81 is fixedly connected with the front end face and the rear end face of the square block 84 by welding at the center position, the insert rod 81 penetrates through the upper end and the lower end of the rectangular groove 82, the square block 84 can rotate relative to the rectangular groove 82 by penetrating through the insert rod 81 in the rectangular groove 82, the bearing 83 penetrates through the right end face of the square block 84 at the center position, the threaded rod 9 is inserted in the inner wall of the bearing 83, wherein the square block 84 is used, the square block 84 is inserted in the rectangular groove 82 by welding the two insert rods 81 in the central position in the setting process, in the use process, the threaded rod 9 can be inserted into the bearing 83, and the bearing can move left and right without changing the direction, so that the eccentric branch pipe seat 3 and the main pipe 1 can be conveniently adjusted without knowing the size of the eccentric branch pipe seat, and the use is more diversified.

A threaded eccentric branch pipe seat and a welding fixture thereof comprise a threaded rod 9 inserted in the right end face of a rotary bearing seat 8 at the center position, the threaded rod 9 transversely penetrates through a rotary slot 10, a handle 12 is arranged on the right end face of the rotary slot 10, the handle 12 is fixed at an extension plate 11 through insertion, the rotary slot 10 comprises an auxiliary inserted rod 101, a rectangular frame 102, a slot 103 and an auxiliary square block 104, the front end face of the extension plate 11 is fixedly connected with the rectangular frame 102 through welding, the auxiliary square block 104 is arranged in the rectangular frame 102, the front end face and the rear end face of the auxiliary square block 104 are fixedly connected with the auxiliary inserted rod 101 at the center position through welding, the auxiliary inserted rod 101 penetrates through the upper end and the lower end of the rectangular frame 102, the auxiliary square block 104 can rotate relative to the rectangular frame 102 through the auxiliary inserted rod 101, the slot 103 transversely penetrates through the inner part of the auxiliary square block 104, the slot 103 is movably connected with a threaded rod 9 through mutual meshing between threads, wherein an auxiliary square block 104 is used, the auxiliary square block 104 is inserted into the rectangular frame 102 through a welded auxiliary insertion rod 101 in the setting process, and the threaded rod 9 is sleeved in the slot 103 in the middle of the auxiliary square block 104 to facilitate the left and right movement of the clamping plate 5 in the use process.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the main pipe 1 and the eccentric branch pipe seat 3 are placed on the front side of the back plate 7, the main pipe 1 and the eccentric branch pipe seat 3 are limited in the interlayer between the upper limiting plate 6 and the lower limiting plate 13 through the splint 5, after the limitation, the threaded rod 9 is rotated through the handle 12 to drive the splint 5 to move, in the moving process, in order to be more convenient during the clamping, two devices of the rotary bearing seat 8 and the rotary slot 10 are newly arranged, wherein the rotary bearing seat 8 comprises four parts of the inserted bar 81, the rectangular slot 82, the bearing 83 and the square block 84 when in use, the square block 84 is used, in the setting process, the inserted bar 81 is inserted in the rectangular slot 82 by welding the two inserted bars, in the using process, the threaded rod 9 can be inserted in the bearing 83, the left-right movement is carried out under the condition of not changing the direction, the arrangement can be conveniently adjusted without knowing the sizes of the eccentric branch pipe seat 3 and the main pipe 1, the use is more diversified, the rotary slot 10 is matched, the rotary slot 10 comprises four components of a secondary inserted rod 101, a rectangular frame 102, a slot 103 and a secondary square block 104 when in use, wherein the secondary square block 104 is used, the secondary square block 104 is inserted into the rectangular frame 102 through the welded secondary inserted rod 101 in the setting process, a threaded rod 9 is sleeved in the slot 103 in the middle of the secondary square block to facilitate the left and right movement of the clamping plate 5, the arrangement can synchronously rotate the bearing seat 8 on one hand, and can be convenient for pressing and clamping the main pipe 1 and the eccentric branch pipe seat 3 in the interlayer when in use, after clamping, the main pipe 1 and the eccentric branch pipe seat 3 can be welded under the high-temperature action of a welding gun, after welding, the threaded branch pipe 2 is fixed by mutual engagement between the threads.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an eccentric nozzle of screw thread, is responsible for (1) and eccentric nozzle (3) including being responsible for, its characterized in that: an eccentric branch pipe seat (3) is arranged on the right side of the top end of the annular outer surface of the main pipe (1), the wall thickness of the upper half section of the right side of the eccentric branch pipe seat is larger than that of the lower half section, wherein the wall thickness of the upper half section is equal, the wall thickness of the lower half section is gradually increased from bottom to top until the wall thickness is equal to that of the upper half section, the eccentric branch pipe seat (3) is connected to the right side of the top end of the main pipe (1) in a penetrating way through welding, the intersection of the eccentric branch pipe seat (3) and the main pipe (1) is provided with a melting metal ring (4) on the outer surface of the main pipe (1), the melting metal ring (4) is fixed at the intersection of the main pipe (1) and the eccentric branch pipe seat (3) through hot melting, the top of eccentric branch pipe seat (3) is provided with threaded branch pipe (2), the bottom port of threaded branch pipe (2) passes through the top port department of the mutual interlock fixed connection between the screw thread in eccentric branch pipe seat (3).

2. A threaded eccentric branch pipe seat welding fixture is characterized in that the threaded eccentric branch pipe seat is used for producing the threaded eccentric branch pipe seat of claim 1, a back plate (7) is arranged on the rear sides of a main pipe (1) and the eccentric branch pipe seat (3), the right end face of the back plate (7) is fixedly connected with an extension plate (11) through welding, the front end face of the extension plate (11) is fixedly connected with a rotary slot (10) through welding, the left side of the back plate (7) is fixedly connected with the back plate (7) at the upper left position, the left side of the back plate (7) is fixedly connected with a lower limiting plate (13) at the lower left position, the right sides of the back plate (7) and the lower limiting plate (13) are respectively provided with the eccentric branch pipe seat (3) and the main pipe (1), and clamping plates (5) are arranged on the right sides of the eccentric branch pipe seat (3) and the main, the right-hand member terminal surface of splint (5) is being located the centre position department and is passing through welded fastening connection rotating bearing seat (8), the right-hand member terminal surface of rotating bearing seat (8) is being located centre position department and pegs graft threaded rod (9), threaded rod (9) transversely run through in rotatory slot (10), the right-hand member terminal surface of rotatory slot (10) is provided with handle (12), handle (12) are fixed in extension board (11) department through pegging graft.

3. The welding fixture for the threaded eccentric branch pipe seat according to claim 2, wherein: rotatory bearing frame (8) are including inserted bar (81), rectangular channel (82), bearing (83) and square piece (84), the right-hand member terminal surface of splint (5) is being located positive position department and is passing through welded fastening connection inserted bar (81), the inside of inserted bar (81) is provided with square piece (84), both ends terminal surface is passing through welded fastening connection inserted bar (81) locating central point department around square piece (84), inserted bar (81) run through in the upper and lower both ends of rectangular channel (82), square piece (84) accessible inserted bar (81) run through in rectangular channel (82) come to rotate for rectangular channel (82), the right-hand member terminal surface of square piece (84) runs through in central point department and is provided with bearing (83), the inner wall grafting of bearing (83) has threaded rod (9).

4. The welding fixture for the threaded eccentric branch pipe seat according to claim 2, wherein: the rotary slot (10) comprises an auxiliary inserted rod (101), a rectangular frame (102), a slot (103) and an auxiliary square block (104), the end face of the front end of the extension plate (11) is fixedly connected with the rectangular frame (102) through welding, the auxiliary square block (104) is arranged inside the rectangular frame (102), the end faces of the front end and the rear end of the auxiliary square block (104) are located at the central position and fixedly connected with the auxiliary inserted rod (101) through welding, the auxiliary inserted rod (101) penetrates through the upper end and the lower end of the rectangular frame (102), the auxiliary square block (104) can rotate relative to the rectangular frame (102) through the auxiliary inserted rod (101), the slot (103) is transversely arranged inside the auxiliary square block (104) in a penetrating mode, and the slot (103) is movably connected with a threaded rod (9) through mutual meshing between threads.

5. The welding fixture for the threaded eccentric branch pipe seat according to claim 2, wherein: the clamping plate (5) can clamp the eccentric branch pipe seat (3) and the main pipe (1) in an interlayer between the upper limiting plate (6) and the lower limiting plate (13) under the action of leftward pressure.

6. The welding fixture for the threaded eccentric branch pipe seat according to claim 2, wherein: and a large U-shaped groove is formed in the left side of the back plate (7) at the intersection of the main pipe (1) and the eccentric branch pipe seat (3).

7. The welding fixture for the threaded eccentric branch pipe seat according to claim 2, wherein: when the threaded rod (9) rotates relative to the rotary slot (10), the clamping plate (5) moves left and right along with the threaded rod (9).