CN217890076U - Be used for straight tube and elbow welded to be geared to needs of job and put - Google Patents

Be used for straight tube and elbow welded to be geared to needs of job and put Download PDF

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Publication number
CN217890076U
CN217890076U CN202222344621.4U CN202222344621U CN217890076U CN 217890076 U CN217890076 U CN 217890076U CN 202222344621 U CN202222344621 U CN 202222344621U CN 217890076 U CN217890076 U CN 217890076U
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China
Prior art keywords
elbow
ring
frame
straight pipe
fixing mechanism
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CN202222344621.4U
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Chinese (zh)
Inventor
冀阳
刘战成
司建国
刘心强
路延洲
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Xingtai Guotai Power Generation Co ltd
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Xingtai Guotai Power Generation Co ltd
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Priority to CN202222344621.4U priority Critical patent/CN217890076U/en
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Abstract

The utility model relates to a pipeline installation device technical field provides a be used for straight tube and elbow welded to mouthful device, including frame and straight tube fixed establishment and the elbow fixed establishment of joint on the frame of setting on the frame, straight tube fixed establishment sets up calliper upper portion on the frame including removing, elbow fixed establishment includes the angle adjustment ring of joint on the frame, the angle adjustment ring has the guide frame, the angle adjustment ring is located calliper upper portion one side, removes the first pressure pole that sets up in the guide frame, has a plurality of locking grooves on the first pressure pole, the locking button removes and sets up in the guide frame, stretch into or stretch out the locking groove after the locking button removes. Through above-mentioned technical scheme, solved among the prior art straight tube and elbow adopt the artifical problem of welding of being not convenient for and easily leading to the elbow incline when opening to one's mouth.

Description

Be used for straight tube and elbow welded to be geared to needs of job and put
Technical Field
The utility model relates to a pipeline installation technical field, it is concrete to relate to a be used for straight tube and elbow welded to mouthful device.
Background
At present, only a butt device for welding a straight pipe and a straight pipe is available, and a butt device for welding a straight pipe and an elbow is unavailable. Due to the special structure of the elbow, the existing aligning device for welding the straight pipes cannot be used for aligning the straight pipes and the elbow. The existing straight pipe and elbow welding butt joint mode adopts a manual butt joint mode, namely: the elbow angle and the welding opening gap are kept unchanged by manually holding the elbow by hand, and welding is carried out by one person. The angle of the elbow has deviation, which easily causes the abrasion increase at the elbow, reduces the service life of the elbow and also causes the problem that the elbow can not be connected with a straight pipe. The crater gap is not appropriate (too large or too small), increasing the welding difficulty and the probability of weld defects.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be used for straight tube and elbow welded to mouthful device has solved among the prior art straight tube and elbow adopt the artifical problem of being not convenient for weld and easily leading to the elbow incline when being geared to the needs of the labor.
The technical scheme of the utility model as follows:
a butt joint device for welding of a straight pipe and an elbow comprises a frame, and a straight pipe fixing mechanism and an elbow fixing mechanism which are arranged on the frame in sequence, wherein the elbow fixing mechanism comprises
A fixing ring arranged on the frame, the fixing ring having scales,
the angle adjusting ring is rotationally arranged on the fixing ring and coaxial with the fixing ring, the angle adjusting ring is provided with scale marks,
the first pressure rod is movably arranged on the angle adjusting ring, the moving direction of the first pressure rod is perpendicular to the rotating axial direction of the angle adjusting ring, and the first pressure rod is abutted or separated from the bent pipe after moving.
As a further technical scheme, the straight pipe fixing mechanism comprises
A first screw rod, the screw thread is arranged on the frame,
the upper part of the caliper is sleeved at the end part of the first screw rod, a gap is reserved between the upper part of the caliper and the end surface of the first screw rod,
and a caliper lower portion provided on the frame and located below the caliper upper portion.
As a further technical solution, the elbow fixing mechanism further comprises
A plurality of guide frames arranged along the circumferential direction of the angle adjusting ring, the first pressure rod being arranged in one of the guide frames,
a rotating ring which is rotatably arranged on the angle adjusting ring and is coaxial with the angle adjusting ring,
a first connecting rod hinged on the rotating ring and hinged with the first pressure rod,
a plurality of second pressure rods which are respectively movably arranged on the plurality of guide frames,
and a plurality of second connecting rods which are hinged on the rotating ring and are respectively hinged with the plurality of second pressure rods.
As a further technical solution, the elbow fixing mechanism further comprises
The locking button is movably arranged in the guide frame, a plurality of locking grooves are formed in the first pressure rod, and the locking button stretches into or out of one of the locking grooves after moving.
As a further technical solution, the elbow fixing mechanism further comprises
The two second screw rods are oppositely arranged on the frame,
the two elbow calipers are respectively arranged on the two second screw rods, and the fixing ring is clamped between the two elbow calipers.
As a further technical solution, the elbow fixing mechanism further comprises
The soft rubber mats are arranged at the end part of the first pressure rod and the end parts of the second pressure rods respectively.
As a further technical solution, the elbow fixing mechanism further comprises
The rotary wrench is arranged on the rotary ring.
As a further technical scheme, the rotating ring, the angle adjusting ring and the fixing ring are of an integral or split structure, and the split structure is connected through a hinge and is pressed through a lock catch.
The utility model discloses a theory of operation and beneficial effect do:
in the utility model, the straight pipe fixing mechanism and the elbow fixing mechanism are respectively used for clamping the straight pipe and the elbow, one is distributed on the frame, the straight pipe fixing mechanism comprises a caliper upper part which is arranged on the frame in a lifting way, and the frame corresponding to the lower part of the upper part of the caliper can be designed into the structure same as the upper part of the caliper so as to better clamp the straight pipe; the elbow fixing mechanism comprises an angle adjusting ring, first pressure rods and a locking button, wherein the angle adjusting ring and the frame are split, the angle adjusting ring is vertically clamped on the frame, a guide frame is arranged on the angle adjusting ring, the first pressure rods move in the guide frame, the moving direction can be in the radial direction of the angle adjusting ring, the bent pipes with different sizes can be clamped by adjusting the extending length of the first pressure rods, in addition, in order to ensure the stability of clamping of the first pressure rods, the locking button is further installed in the guide frame, the cross section of the locking groove is triangular, the end part of the locking button is matched with the shape of the locking groove, when the first pressure rods move in the angle adjusting ring, the principle similar to a ratchet wheel is adopted, the inclined plane of the end part of the locking button moves along the inclined plane of the locking groove, namely, the locking button can be upwards jacked up and is not blocked by the side wall of the locking groove, but when the first pressure rods move in the reverse direction, the side wall of the locking groove can abut against the side wall of the end part of the locking button, the side wall of the locking button is formed, the bent pipe can not move after clamping, and the bent pipe can be clamped, and the stability of clamping can be ensured. Further, it is possible to coat a lubricant on the lock button and to provide a gap so that the lock button can be lifted up.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic structural diagram of the middle fixing ring, the angle adjusting ring and the fixing ring of the present invention.
In the figure: 1. the pipe bending clamp comprises a frame, 2, a straight pipe fixing mechanism, 201, a first screw rod, 202, a clamp upper portion, 203, a clamp lower portion, 3, an elbow fixing mechanism, 301, a fixing ring, 302, an angle adjusting ring, 303, a first pressure rod, 304, a guide frame, 305, a rotating ring, 306, a first connecting rod, 307, a second pressure rod, 308, a second connecting rod, 309, a locking button, 310, a locking groove, 311, a second screw rod, 312, an elbow clamp, 313, a soft rubber pad, 314 and a rotary wrench.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
As shown in fig. 1-2, the embodiment provides a butt-joint device for welding a straight pipe and an elbow, which includes a frame 1, and a straight pipe fixing mechanism 2 and an elbow fixing mechanism 3 sequentially disposed on the frame 1, wherein the elbow fixing mechanism 3 includes
A fixing ring 301 arranged on the frame 1, the fixing ring 301 having scales,
an angle adjusting ring 302 which is rotatably arranged on the fixing ring 301 and is coaxial with the fixing ring 301, the angle adjusting ring 302 is provided with scale marks,
the first pressure rod 303 is movably disposed on the angle adjustment ring 302, a moving direction of the first pressure rod 303 is perpendicular to a rotating axial direction of the angle adjustment ring 302, and the first pressure rod 303 moves to abut against or separate from the elbow.
In this embodiment, straight tube fixed establishment 2 and elbow fixed establishment 3 are used for blocking straight tube and elbow respectively, a left side is right to be distributed on frame 1, elbow fixed establishment 3 is including solid fixed ring 301, angle adjustment ring 302 and first pressure pole 303, gu fixed ring 301 and frame 1 are split type, gu the vertical card of fixed ring 301 is on frame 1, angle adjustment ring 302 rotates and sets up in gu fixed ring 301, gu all be equipped with the scale on fixed ring 301 and the angle adjustment ring 302, can refer to the scale of solid fixed ring 301 last sign through rotation angle adjustment ring 302 and carry out the accurate adjustment of elbow angle.
In addition, in practical use, the elbow can be clamped by the first pressure rod 303 and the inner wall of the angle adjusting ring 302, the elbow can be clamped by installing more first pressure rods 303, and the alignment of the elbow and the center of the straight pipe can be realized by adjusting the height of the angle adjusting ring 302. Compared with a manual alignment mode, the mode can firmly clamp the straight pipe and the elbow, can well realize alignment, is simple, convenient and quick to operate, and is convenient for welding the straight pipe and the elbow.
Further, the straight pipe fixing mechanism 2 includes
A first screw 201, which is threaded on the frame 1,
a caliper upper part 202 which is sleeved on the end part of the first screw rod 201 and has a gap with the end surface of the first screw rod 201,
and a caliper lower portion 203 provided on the frame 1 below the caliper upper portion 202.
In this embodiment, the straight pipe fixing mechanism 2 includes a caliper upper portion 202 disposed on the frame 1 in a lifting manner, and the frame 1 corresponding to the lower portion of the caliper upper portion 202 may be designed to have the same structure as the caliper upper portion 202, so as to better clamp the straight pipe; first lead screw 201 is used for adjusting calliper upper portion 202's height, is swing joint between first lead screw 201 and the calliper upper portion 202, and the tip of first lead screw 201 is wrapped up in calliper upper portion 202 promptly, leaves the space between the two, and when first lead screw 201 rotatory lift, because the existence of space, calliper upper portion 202 can not follow the rotation, only can follow the lift, even calliper upper portion 202 has slight rocking, also can restrict its rocking manually. The cooperation of the first lead screw 201 and the caliper upper portion 202 serves to accommodate straight tubes of different sizes. In addition, a lower caliper part 203 can be welded on the frame 1 to better clamp the straight pipe.
Further, the elbow fixing mechanism 3 further comprises
A plurality of guide frames 304 along the circumferential direction of the angle adjusting ring 302, the first pressure rod 303 being disposed in one of the guide frames 304,
a rotating ring 305 rotatably provided on the angle adjusting ring 302 and coaxial with the angle adjusting ring 302,
a first link 306 hinged on the rotating ring 305 and hinged with the first pressure rod 303,
a plurality of second pressure rods 307, which are movably disposed on the plurality of guide frames 304,
a plurality of second links 308 are hinged to the rotating ring 305 and are respectively hinged to a plurality of second pressure rods 307.
In this embodiment, the angle adjustment ring 302 is provided with a guide frame 304, the first pressure rods 303 move in the guide frame 304, the moving direction can be along the radial direction of the angle adjustment ring 302, and the clamping of bent pipes with different sizes can be realized by adjusting the extending lengths of the first pressure rods 303; the rotating ring 305 is rotatably installed in the track groove of the angle adjusting ring 302 at the periphery of the guide frame 304, the first link 306 has one end hinged to the rotating ring 305 and the other end hinged to the end of the first pressure rod 303, and a plurality of second links 308 and second pressure rods 307 are provided in the same manner as the first links 306 and the first pressure rod 303.
When the rotating ring 305 rotates, the first connecting rod 306 and the second connecting rod 308 can be driven to swing along the same direction, and then the first pressure rod 303 and the second pressure rod 307 are pulled, so that the plurality of pressure rods are linked, namely, the pressure rods move inwards or outwards simultaneously, the elbow aligning side circle and the clamping ring are always the same circle center, and the accuracy of the angle adjustment of the elbows with different sizes is ensured.
Furthermore, the elbow fixing mechanism 3 also comprises
And a locking button 309 movably disposed in the guide frame 304, wherein the first pressure bar 303 has a plurality of locking grooves 310, and the locking button 309 is movably inserted into or extended out of one of the locking grooves 310.
In this embodiment, in order to ensure the stability of the clamping of the first pressure bar 303, a locking button 309 is further installed in the guide frame 304, the cross section of the locking groove 310 is triangular, the end of the locking button 309 is matched with the shape of the locking groove 310, when the first pressure bar 303 moves into the angle adjusting ring 302, similar to the principle of a ratchet wheel, the inclined plane at the end of the locking button 309 moves along the inclined plane of the locking groove 310, that is, the locking button 309 is jacked upwards and is not blocked by the side wall of the locking groove 310, but when the first pressure bar 303 moves in the opposite direction, the side wall of the locking groove 310 abuts against the side wall at the end of the locking button 309 to form a self-locking, so that the clamping is not moved after clamping the elbow, and the stability of the clamping is ensured. Further, it is possible to coat a lubricant on the lock button 309 and to provide a gap so that the lock button 309 can be lifted up.
The locking button 309 does not lock the locking groove 310 when the first pressure rod 303 and the second pressure rod 307 move inward, and locks when moving in the reverse direction, and when the first pressure rod 303 needs to be loosened, the locking button 309 only needs to be pulled up to enable the pressure rod to move outward through the reverse rotation angle adjusting ring 302, and the locking groove 310 and the locking button 309 are not arranged on the second pressure rod 307.
Further, the elbow fixing mechanism 3 further comprises
A second screw rod 311 which is connected with the frame 1 in a threaded manner, two second screw rods 311 are arranged on the frame 1 oppositely,
the two elbow calipers 312 are respectively arranged on the two second screw rods 311, and the fixing ring 301 is clamped between the two elbow calipers 312.
In this embodiment, the fit between the second lead screw 311 and the elbow caliper 312 is the same as the fit between the first lead screw 201 and the caliper upper portion 202. The angle adjusting ring 302 is provided with a guide frame 304, the first pressure rods 303 move in the guide frame 304, the moving direction can be along the radial direction of the angle adjusting ring 302, and the bent pipes with different sizes can be clamped by adjusting the extending lengths of the first pressure rods 303.
Furthermore, the elbow fixing mechanism 3 also comprises
The plurality of soft rubber pads 313 are respectively arranged at the end part of the first pressure rod 303 and the end parts of the plurality of second pressure rods 307.
In this embodiment, the bend is locked by the soft rubber pad 313, so as to increase friction and prevent slipping.
Further, the elbow fixing mechanism 3 further comprises
And a rotation wrench 314 provided on the rotation ring 305.
In this embodiment, a rotation wrench 314 is added to the rotating ring 305 to facilitate shifting the rotating ring 305. The rotating ring 305 can prevent the rotation of the angle adjusting ring 302 by damping when being shifted, and can also press the guide frame 304 to prevent the rotation of the angle adjusting ring 302.
Further, the rotating ring 305, the angle adjusting ring 302 and the fixing ring 301 are of an integral or split structure, and the split structure is connected through a hinge and is pressed tightly through a lock catch.
In this embodiment, in order to facilitate detachment after welding, the rotating ring 305, the angle adjusting ring 302, and the fixing ring 301 may be designed to be of a split structure, and may be opened by a hinge and locked by a compressor.
To sum up, the theory of operation of the device of this application does: the aligning device comprises a frame 1, a straight pipe fixing mechanism 2 and an elbow fixing mechanism 3, wherein the straight pipe fixing mechanism 2 comprises a movable caliper upper part 202 arranged on the frame 1 and a caliper lower part 203 fixed below the frame 1; the elbow fixing mechanism 3 comprises two movable elbow calipers 312 arranged on the frame 1, wherein the two elbow calipers 312 are arranged up and down oppositely, and the elbow fixing mechanism also comprises an elbow fixing snap ring. The elbow fixing snap ring comprises a rotating compression ring, namely a rotating ring 305, an angle adjusting ring 302 and a fixing ring 301, wherein the three rings are mutually nested in the groove track and fixed into a whole. The rotary compression ring is embedded in a groove track of the angle adjusting ring 302, four sets of pressure rod devices are arranged and are in linkage design, the first pressure rod 303 and the second pressure rod 307 are embedded in a guide frame 304 of the angle adjusting ring 302, and the guide frame 304 is used for guiding the pressure rods. The angle adjusting ring 302 is provided with an angle adjusting mark point, namely a scale mark point, the angle adjusting ring 302 is embedded in a groove track of the fixing ring 301, the first pressure rod 303 is provided with a plurality of locking grooves 310, the locking button 309 is movable in the guide frame 304, the locking button 309 is movable to extend into or extend out of the locking grooves 310, and the movement of the first pressure rod 303 is locked, so that the fixed elbow, namely the elbow pipe, is locked.
Through the rotation angle adjusting ring 302, the scale points are compared with the angle scales on the fixing ring 301, and the rotation angle can be accurately controlled. Scales are marked on the lower part 203 of the caliper, and the welding opening distance can be adjusted by moving the straight pipe. Four guide frames 304 are arranged along the circumferential direction of the angle adjusting ring 302, the opposite extension connecting lines are perpendicular to each other, four pressure rods, namely a first pressure rod 303 and three second pressure rods 307 are respectively arranged in the four guide frames 304 and can move back and forth in the radial direction of the angle adjusting ring 302, the four pressure rods can move inwards or outwards synchronously by pulling the rotary wrench 314, and then the elbow is locked or loosened. The fixed snap ring of elbow is an overall structure, and rotatory ring 305, angle adjustment ring 302 and solid fixed ring 301 all have damping function, and two semicircle loop configuration about three ring is, adjusts to home position, loosens the hasp, can open it with the hinge, takes off the fixed snap ring of elbow after the convenient welding. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the present invention.

Claims (8)

1. A butt joint device for welding a straight pipe and an elbow is characterized by comprising a frame (1), and a straight pipe fixing mechanism (2) and an elbow fixing mechanism (3) which are sequentially arranged on the frame (1), wherein the elbow fixing mechanism (3) comprises
A fixed ring (301) arranged on the frame (1), the fixed ring (301) having a scale thereon,
the angle adjusting ring (302) is rotationally arranged on the fixing ring (301) and coaxial with the fixing ring (301), the angle adjusting ring (302) is provided with scale points,
the first pressure rod (303) is movably arranged on the angle adjusting ring (302), the moving direction of the first pressure rod is perpendicular to the rotating axial direction of the angle adjusting ring (302), and the first pressure rod (303) is abutted to or separated from the bent pipe after moving.
2. A butt-joint device for welding a straight pipe and an elbow according to claim 1, characterized in that the straight pipe fixing mechanism (2) comprises
A first screw (201) threaded on the frame (1),
a caliper upper part (202) which is sleeved on the end part of the first screw rod (201) and is provided with a gap with the end surface of the first screw rod (201),
a caliper lower portion (203) provided on the frame (1) below the caliper upper portion (202).
3. The butt-joint device for welding the straight pipe and the elbow as claimed in claim 1, wherein the elbow fixing mechanism (3) further comprises
A plurality of guide frames (304) along a circumferential direction of the angle adjustment ring (302), the first pressure rod (303) being disposed in one of the guide frames (304),
a rotating ring (305) rotatably provided on the angle adjusting ring (302) and coaxial with the angle adjusting ring (302),
a first connecting rod (306) hinged on the rotating ring (305) and hinged with the first pressure rod (303),
a plurality of second pressure rods (307) respectively movably arranged on the plurality of guide frames (304),
a plurality of second connecting rods (308) hinged on the rotating ring (305) and respectively hinged with a plurality of second pressure rods (307).
4. A butt-joint device for welding a straight pipe and an elbow according to claim 3, characterized in that the elbow fixing mechanism (3) further comprises
The locking button (309) is movably arranged in the guide frame (304), the first pressure rod (303) is provided with a plurality of locking grooves (310), and the locking button (309) extends into or out of one of the locking grooves (310) after being moved.
5. A butt-joint device for welding a straight pipe and an elbow according to claim 3, wherein the elbow fixing mechanism (3) further comprises
Two second screw rods (311) are in threaded connection with the frame (1), the two second screw rods (311) are oppositely arranged on the frame (1),
elbow calliper (312), there are two, set up respectively two on second lead screw (311), fixed ring (301) are pressed from both sides and are in between elbow calliper (312).
6. A butt-joint device for welding a straight pipe and an elbow according to claim 3, characterized in that the elbow fixing mechanism (3) further comprises
And a plurality of soft rubber pads (313) are respectively arranged at the end part of the first pressure rod (303) and the end parts of the plurality of second pressure rods (307).
7. A butt-joint device for welding a straight pipe and an elbow according to claim 3, characterized in that the elbow fixing mechanism (3) further comprises
A rotating wrench (314) provided on the rotating ring (305).
8. The butt-joint device for welding the straight pipe and the elbow according to claim 4, wherein the rotating ring (305), the angle adjusting ring (302) and the fixing ring (301) are of an integral or split structure, and the split structure is connected through a hinge and is pressed through a lock catch.
CN202222344621.4U 2022-09-02 2022-09-02 Be used for straight tube and elbow welded to be geared to needs of job and put Active CN217890076U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222344621.4U CN217890076U (en) 2022-09-02 2022-09-02 Be used for straight tube and elbow welded to be geared to needs of job and put

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222344621.4U CN217890076U (en) 2022-09-02 2022-09-02 Be used for straight tube and elbow welded to be geared to needs of job and put

Publications (1)

Publication Number Publication Date
CN217890076U true CN217890076U (en) 2022-11-25

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CN202222344621.4U Active CN217890076U (en) 2022-09-02 2022-09-02 Be used for straight tube and elbow welded to be geared to needs of job and put

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115625404A (en) * 2022-12-22 2023-01-20 河北畅盛科技工程有限公司 Carbon dioxide gas shielded welding machine for steel structure processing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115625404A (en) * 2022-12-22 2023-01-20 河北畅盛科技工程有限公司 Carbon dioxide gas shielded welding machine for steel structure processing

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