CN106670596A - Elbow clamp - Google Patents

Elbow clamp Download PDF

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Publication number
CN106670596A
CN106670596A CN201710138986.2A CN201710138986A CN106670596A CN 106670596 A CN106670596 A CN 106670596A CN 201710138986 A CN201710138986 A CN 201710138986A CN 106670596 A CN106670596 A CN 106670596A
Authority
CN
China
Prior art keywords
elbow
groove
supported
base plate
pressing plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710138986.2A
Other languages
Chinese (zh)
Other versions
CN106670596B (en
Inventor
王文彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongao Testing Group Co.,Ltd.
Original Assignee
Xinjiang Tong-Ao Oilfield Technology Service Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xinjiang Tong-Ao Oilfield Technology Service Co Ltd filed Critical Xinjiang Tong-Ao Oilfield Technology Service Co Ltd
Priority to CN201710138986.2A priority Critical patent/CN106670596B/en
Publication of CN106670596A publication Critical patent/CN106670596A/en
Application granted granted Critical
Publication of CN106670596B publication Critical patent/CN106670596B/en
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Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/44Equipment or accessories specially designed for machines or devices for thread cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/12Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/10Devices for clamping workpieces of a particular form or made from a particular material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention provides an elbow clamp, and relates to the technical field of tool clamps. The elbow clamp is used for clamping an elbow to facilitate thread machining of two ends of the elbow to so as to achieve the purpose that a pipeline is in threaded connection by means of the elbow and ensure that the performance of a pipe body is not affected. The elbow clamp comprises a base and at least two pressing plates. The base comprises a bottom supporting structure and a back supporting structure. A preset included angle is formed between the bottom supporting structure and the back supporting structure. Two grooves are separately formed in the bottom supporting structure and the back supporting structure, and are respectively used for supporting the two ends of the elbow needing to be clamped. The pressing plates are separately and movably connected onto the base, and are separately used for pressing the two ends of the elbow to enable the elbow to be fixed between the pressing plates and the grooves. The base further comprises a mounting structure. The mounting structure is used for connecting a part of a clamping workpiece in a machine tool. The elbow clamp is mainly used for clamping the elbow.

Description

Elbow fixture
Technical field
The present invention relates to tooling fixture technical field, more particularly to a kind of elbow fixture.
Background technology
When oil transportation surface line is attached, because physical features is uneven or transport path is not the reasons such as straight line, need To be attached using elbow.
At present, pipeline generally uses welding manner, i.e. elbow and the oil pipe being connected by way of elbow is attached Welding, however, being provided with coating in oil pipe to carry out anti-corrosion, welding high temperature can heavy damage tubing internal coating, influence tube body performance.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of elbow fixture, for the spiral shell for clamping elbow to facilitate elbow two ends Line is processed, so as to realize that pipeline is threadedly coupled by elbow, it is ensured that tube body performance is unaffected.
To reach above-mentioned purpose, present invention generally provides following technical scheme:
The embodiment of the present invention provides a kind of elbow fixture, including:
Pedestal, the pedestal includes mutually forming the lower support structure and back-supported structure of default angle, the bottom Portion's supporting construction and the back-supported structure are provided with groove, and the groove is respectively used to support the elbow two to be clamped End;
Pressing plate, the quantity of the pressing plate is at least 2, is movably connected with the pedestal, and is respectively used to push down institute The two ends of elbow are stated, the elbow is fixed between the pressing plate and the groove;
The pedestal also includes mounting structure, and the mounting structure is used for the part of clamping workpiece in connecting machine tool.
Specifically, the open top area of the groove is more than bottom area, and the side wall of the groove is tapered plane, described Tapered plane is used to support the elbow.
Further, the pedestal also includes connecting pole, and the both sides of the lower support structure are respectively arranged with the company Post is connect, and the both sides of the back-supported structure are respectively arranged with the connecting pole, the end of the connecting pole is provided with outward Screw thread, is provided with through hole on the pressing plate, the through hole is used for through the end of the connecting pole, and the external screw thread is used for screw thread Attaching nut, by screwing the nut so that the pressing plate compresses the elbow to the groove direction.
Specifically, the surface for being used to push down the elbow in the pressing plate is plane.
Further, the pedestal also includes two relative side plates, the lower support structure, the back-supported knot Structure and two side plates surround grasping part, and centering structure is respectively arranged with two side plates;It is curved when what is clamped Head is placed in the grasping part, and the two ends of the elbow are clamped in when between the pressing plate and the groove respectively, described Centering structure is used to adjust distance of the elbow relative to the side plate.
Specifically, the centering structure includes screwed hole, and the screwed hole internal thread attachment screw is pushed away by screwing screw The elbow is moved to adjust the distance of the relatively described side plate of the elbow.
Specifically, the lower support structure includes base plate and the bottom support block being arranged on the base plate, the back of the body Portion's supporting construction includes backboard and the back-supported block being arranged on the backboard, and the base plate and the backboard form described pre- If angle, the bottom support block and the back-supported block are respectively provided with the groove;The base plate, the backboard and two institutes Side plate is stated to be fixedly connected by welding;Reinforcement is connected between the backboard and the base plate.
Specifically, the lower support structure includes base plate and the bottom support block being arranged on the base plate, the back of the body Portion's supporting construction includes fixed mount, rotating turret and the back-supported block that is arranged on the rotating turret, the bottom support block and The back-supported block is respectively provided with the groove;The fixed mount is fixedly connected by welding with the base plate, the rotating turret It is rotationally connected with and location division is provided between the fixed mount, and the rotating turret and the fixed mount, the location division is used for When the rotating turret is turned to relative to the base plate into the default angle, the fixation rotating turret.
Specifically, the mounting structure is the body stretched out from the back-supported structure, when the elbow fixture During clamping elbow, one end of the elbow is fixed between the groove of the lower support structure and the pressing plate, the body One end with the elbow is coaxial.
A kind of elbow fixture provided in an embodiment of the present invention, by the groove of lower support structure, back-supported structure Elbow fixed clamp on elbow fixture, and is fixedly connected on lathe and filled by groove and pressing plate by the mounting structure of elbow fixture The part of workpiece is pressed from both sides, so that elbow passes through elbow fixture clamping on lathe, screw thread process is carried out to elbow two ends using lathe, So as to realize that pipeline is threadedly coupled by elbow, it is ensured that tube body performance is unaffected.
Brief description of the drawings
Fig. 1 is a kind of front view of elbow fixture provided in an embodiment of the present invention;
Fig. 2 is the side view of the elbow fixture of Fig. 1;
Fig. 3 is the structural representation of another elbow fixture provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1, Figure 2 and Figure 3, the embodiment of the present invention provides a kind of elbow fixture, including:Pedestal 1, pedestal 1 includes Mutually form the lower support structure 11 and back-supported structure 12 of default angle, lower support structure 11 and back-supported structure 12 are provided with groove 13, and groove 13 is respectively used to support the two ends of elbow 2 to be clamped;Pressing plate 3, the quantity of pressing plate 3 is at least It is 2, is movably connected with pedestal 1, and is respectively used to push down the two ends of elbow 2, make elbow 2 be fixed on pressing plate 3 and groove Between 13;Pedestal 1 also includes mounting structure 14, and mounting structure 14 is used for the part of clamping workpiece in connecting machine tool.
Wherein, the default angle for being formed between lower support structure 11 and back-supported structure 12 is curved equal to what is clamped First 2 angle, the groove 13 of lower support structure 11 and the groove 13 of back-supported structure 12 support to be clamped curved respectively First 2 two ends, groove 13 make elbow 2 be difficult roll, pressing plate 3 be used for the fixed clamp of elbow 2 that will be clamped pressing plate 3 with it is recessed Between groove 13.
Wherein, pressing plate 3 is movably connected on pedestal 1, can be designed as pressing plate and is removably connected to pedestal, or pressing plate is slided Pedestal 1 is connected to, or press plate rotary is connected to pedestal, when elbow fixture will clamp elbow 2, is first placed in conveniently pressing plate 3 The two ends of elbow 2 are contacted the position of the groove 13 of lower support structure 11 and the groove 13 of back-supported structure 12 respectively, will be curved After first 2 place, then pressing plate 3 is adjusted the position of the tight elbow 2 of back pressure, the position at the two ends of elbow 2 is respectively arranged with pressing plate 3, tightly Elbow 2 is pushed down, so that elbow fixture handles the geometrical clamp of elbow 2.
The mounting structure 14 of elbow fixture can carry out respective design according to the part of clamping machine tool workpiece, so that clamping machine tool The part of workpiece can be fixedly connected mounting structure 14, so that elbow 2 is arranged on lathe by elbow fixture, so just may be used Elbow 2 is machined out;Generally processing screw thread is to use lathe process, the part of lathe clamping workpiece for scroll chuck or its His fixture, by taking scroll chuck as an example, then can be made body by mounting structure 14, clamping on scroll chuck, to realize that elbow 2 leads to Cross elbow fixture and be fixedly installed in scroll chuck, wherein make body coaxial with one end of elbow 2, just using lathe to elbow 2 One end carry out cutting thread operation, the position that the two ends of elbow 2 are clamped in elbow fixture is then exchanged again, make the other end of elbow 2 It is coaxial with body, cutting thread operation is just carried out to the other end of elbow 2 using lathe, the two ends of elbow 2 carry out screw thread respectively After processing, just can realize that pipeline is threadedly coupled by elbow 2, it is to avoid high temperature inner tube coating when elbow 2 is with pipeline welding, To ensure that tube body performance is unaffected.
A kind of elbow fixture provided in an embodiment of the present invention, by the groove of lower support structure, back-supported structure Elbow fixed clamp on elbow fixture, and is fixedly connected on lathe and filled by groove and pressing plate by the mounting structure of elbow fixture The part of workpiece is pressed from both sides, so that elbow passes through elbow fixture clamping on lathe, screw thread process is carried out to elbow two ends using lathe, So as to realize that pipeline is threadedly coupled by elbow, it is ensured that tube body performance is unaffected.
Specifically, the open top area of groove 13 is more than bottom area, and the side wall of groove 13 is tapered plane, and tapered plane is used In support elbow 2.Wherein, groove can be designed as deep-slotted chip breaker, but in order that elbow 2 is difficult play, need to be designed as deep-slotted chip breaker The phase concentric of elbow 2 with clamping is more suitable, and such elbow fixture is clamped just for a kind of elbow 2 of size model number; And groove 13, when being designed as the form in the present embodiment, groove 13 can support the elbow 2 of different size model, when groove 13 is supported During elbow 2, the side wall of groove 13 is tangent with the outer wall of elbow 2, supports elbow 2, elbow 2 is difficult play.
Pressing plate 3 is designed as to be removably connected to pedestal 1, concrete mode is:Pedestal 1 also includes connecting pole 15, bottom branch The both sides of support structure 11 are respectively arranged with connecting pole 15, and the both sides of back-supported structure 12 are respectively arranged with connecting pole 15, The end of connecting pole 15 is provided with external screw thread, and through hole is provided with pressing plate 3, and through hole is used for through the end of connecting pole 15, outer spiral shell Line is used for threaded coupling nut 4, by screw on nut 4 so that pressing plate 3 compresses elbow 2 to the direction of groove 13.When clamping elbow 2 When, pressing plate 3 is enclosed within connecting pole 15, tightens nut 4 so that the compression elbow 2 of pressing plate 3, when needing to pull down elbow 2, backs out nut 4, then pressing plate 3 can be pulled down from connecting pole 15, facilitate the dismounting of elbow 2.
Specifically, the surface for being used to push down elbow 2 in pressing plate 3 is plane.Pressing plate 3 compress elbow 2 when, the table of pressing plate 3 Face is tangent with the outer wall of elbow 2, and the surface of pressing plate 3 is plane, can compress the elbow 2 of different size model.
For the elbow 2 clamped by more preferable centering, pedestal 1 also includes two relative side plates 16, lower support structure 11st, back-supported structure 12 and two side plates 16 surround grasping part, and centering structure 161 is respectively arranged with two side plates 16; When the elbow 2 to be clamped is placed in grasping part, and the two ends of elbow 2 are clamped in when between pressing plate 3 and groove 13 respectively, right Middle structure 161 is used to adjust distance of the elbow 2 relative to side plate 16.Wherein, centering structure 161 can be designed as relative side plate 16 To the structure promoted in grasping part, when elbow 2 is clamped, the centering structure 161 of biside plate 16 can be towards mutually drawing close Direction promotes elbow 2, elbow 2 is clamped between two side plates 16, more improves the clamping fastener of elbow 2.
Specifically, centering structure 161 includes screwed hole, and screwed hole internal thread attachment screw promotes curved by screwing screw First 2 with adjust elbow 2 with respect to side plate 16 distance.Hole is threaded on side plate 16, in the screwed hole on biside plate 16 respectively Screw is screwed in clamp clamped elbow 2, simple structure is easily realized.
Elbow fixture can be designed as it is fixed or adjustable, wherein fixed is lower support structure 11 and back The angle of supporting construction 12 is fixed, and the adjustable angle for lower support structure 11 and back-supported structure 12 can adjust, tool Body design is as follows:
When elbow fixture is designed as fixed, referring to Fig. 2, lower support structure 11 includes base plate and is arranged on base plate Bottom support block 111, back-supported structure 12 includes backboard and the back-supported block 121 that is arranged on backboard, base plate and the back of the body Plate shape is respectively provided with groove into default angle, bottom support block 111 and back-supported block 121;Base plate, backboard and two side plates pass through It is welded and fixed connection;Reinforcement 17 is connected between backboard and base plate.Base plate and backboard weld to form default angle, the default folder Angle is equal with the angle of elbow 2 to be clamped, such as when elbow 2 is elbow bend, the predetermined angle is 90 degree;Reinforcement 17 is used In the load that backboard and base plate bear is strengthened, in case backboard and base plate compressive deformation.
When elbow fixture is designed as adjustable, referring to Fig. 3, lower support structure 11 includes base plate 112 and is arranged at Bottom support block 111 on base plate 112, back-supported structure 12 includes fixed mount 122, rotating turret 123 and is arranged at rotating turret Back-supported block 121 on 123, bottom support block 111 and back-supported block 121 are respectively provided with groove;Fixed mount 122 and base plate 112 are fixedly connected by welding, and rotating turret 123 is rotationally connected between fixed mount 122, and rotating turret 123 and fixed mount 122 and sets Location division 124 is equipped with, location division 124 is used for when rotating turret 123 is turned to relative to 112 one-tenth default angles of base plate, fixed to turn Moving frame 123.Fixed mount 122 is welded with base plate 112, and reinforcement 17 can be set between fixed mount 122 and base plate 112 to strengthen holding The load received, rotating turret 123 is rotated relative to fixed mount 122, when wherein rotating turret 123 turns to predeterminated position, i.e. rotating turret 123 relative to 112 one-tenth predetermined angles of base plate, and the default angle is equal with the angle of elbow 2 to be clamped, by location division 124 Rotating turret 123 is fixed, is designed to for rotating turret 123 to turn to predetermined angle for 45 degree, the positions such as 90 degree, so as to energy Enough correspondingly clamping one eighth bends, 90 degree of elbows etc..
Specifically, mounting structure 14 is the body stretched out from back-supported structure 12, when elbow fixture clamps elbow 2 When, one end of elbow 2 is fixed between the groove 13 of lower support structure 11 and pressing plate 3, and body is coaxial with one end of elbow 2. Mounting structure 14 is designed as body, in order to be able to clamping on the scroll chuck of lathe or other fixtures, body and elbow 2 One end it is coaxial, cutting thread operation is carried out to one end of elbow 2 using lathe, exchanging elbow 2 makes the other end be clamped in and pipe On the coaxial position of body, just cutting thread operation can be carried out to the other end of elbow 2.
Elbow fixture provided in an embodiment of the present invention, by the groove of lower support structure, the groove of back-supported structure With pressing plate by elbow fixed clamp on elbow fixture, and mounting structure by elbow fixture is fixedly connected on clamping machine tool work Elbow two ends, so that elbow passes through elbow fixture clamping on lathe, screw thread process are carried out using lathe by the part of part, so that Can realize that pipeline is threadedly coupled by elbow, it is ensured that tube body performance is unaffected.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention, according to Any simple modification, equivalent variations and the modification made to above example according to technical spirit of the invention, still fall within this hair In the range of bright technical scheme.

Claims (9)

1. a kind of elbow fixture, it is characterised in that including:
Pedestal, the pedestal includes mutually forming the lower support structure and back-supported structure of default angle, the bottom branch Support structure and the back-supported structure are provided with groove, and the groove is respectively used to support the elbow two ends to be clamped;
Pressing plate, the quantity of the pressing plate is at least 2, is movably connected with the pedestal, and is respectively used to push down described curved The two ends of head, make the elbow be fixed between the pressing plate and the groove;
The pedestal also includes mounting structure, and the mounting structure is used for the part of clamping workpiece in connecting machine tool.
2. elbow fixture according to claim 1, it is characterised in that
The open top area of the groove is more than bottom area, and the side wall of the groove is tapered plane, and the tapered plane is used for Support the elbow.
3. elbow fixture according to claim 1, it is characterised in that
The pedestal also includes connecting pole, and the both sides of the lower support structure are respectively arranged with the connecting pole, and described The both sides of back-supported structure are respectively arranged with the connecting pole, and the end of the connecting pole is provided with external screw thread, the pressing plate On be provided with through hole, the through hole is used for through the end of the connecting pole, and the external screw thread is used for threaded coupling nut, passes through The nut is screwed so that the pressing plate compresses the elbow to the groove direction.
4. elbow fixture according to claim 3, it is characterised in that
The surface for being used to push down the elbow in the pressing plate is plane.
5. elbow fixture as claimed in any of claims 1 to 4, it is characterised in that
The pedestal also include two relative side plates, the lower support structure, the back-supported structure with two described in Side plate surrounds grasping part, and centering structure is respectively arranged with two side plates;
When the elbow to be clamped is placed in the grasping part, and the two ends of the elbow are clamped in the pressing plate and institute respectively When stating between groove, the centering structure is used to adjust distance of the elbow relative to the side plate.
6. elbow fixture according to claim 5, it is characterised in that
The centering structure includes screwed hole, and the screwed hole internal thread attachment screw promotes the elbow by screwing screw To adjust the distance of the relatively described side plate of the elbow.
7. elbow fixture according to claim 6, it is characterised in that
The lower support structure includes base plate and the bottom support block being arranged on the base plate, the back-supported structure bag Backboard and the back-supported block being arranged on the backboard are included, the base plate and the backboard form the default angle, described Bottom support block and the back-supported block are respectively provided with the groove;
The base plate, the backboard and two side plates are fixedly connected by welding;
Reinforcement is connected between the backboard and the base plate.
8. elbow fixture according to claim 6, it is characterised in that
The lower support structure includes base plate and the bottom support block being arranged on the base plate, the back-supported structure bag Include fixed mount, rotating turret and the back-supported block being arranged on the rotating turret, the bottom support block and the back-supported Block is respectively provided with the groove;
The fixed mount is fixedly connected by welding with the base plate, and the rotating turret is rotationally connected with the fixed mount, and institute State and location division is provided between rotating turret and the fixed mount, the location division is used to be turned to relative to institute when the rotating turret When stating base plate into the default angle, the fixation rotating turret.
9. elbow fixture according to claim 1, it is characterised in that
The mounting structure is the body stretched out from the back-supported structure, when the elbow fixture clamps elbow, One end of the elbow is fixed between the groove of the lower support structure and the pressing plate, the body and the elbow One end is coaxial.
CN201710138986.2A 2017-03-09 2017-03-09 Elbow clamp Active CN106670596B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710138986.2A CN106670596B (en) 2017-03-09 2017-03-09 Elbow clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710138986.2A CN106670596B (en) 2017-03-09 2017-03-09 Elbow clamp

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CN106670596A true CN106670596A (en) 2017-05-17
CN106670596B CN106670596B (en) 2020-07-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108161531A (en) * 2018-01-04 2018-06-15 江苏隆达机械设备有限公司 Elbow processing unit (plant)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11239921A (en) * 1998-02-25 1999-09-07 Hosei Kogyo Kk Highly accurate nut tapping device using bent shank nut tap
CN202461721U (en) * 2012-02-16 2012-10-03 周碎林 Heavy-duty tapping machine
JP2013049103A (en) * 2011-08-30 2013-03-14 Azbil Corp Machining tool breakage-preventing device, and machining tool breakage-preventing method
CN203031066U (en) * 2012-11-30 2013-07-03 重庆林腾机电有限公司 Three-way pipe tapping tool
CN103302434A (en) * 2013-06-09 2013-09-18 秦皇岛北方管业有限公司 Assembly welding tool generally used for hot blast main pipe elbows
CN103672173A (en) * 2013-11-30 2014-03-26 成都科盛石油科技有限公司 Pipe clamping device
CN103692128A (en) * 2013-11-30 2014-04-02 南京梅山冶金发展有限公司 Multi-specification combined elbow welding tool and welding method for same
CN204053520U (en) * 2014-07-09 2014-12-31 昆明理工大学 A kind of one eighth bend pipe thread cutting machine processing clamp device
CN206764046U (en) * 2017-03-09 2017-12-19 新疆通奥油田技术服务有限公司 Elbow fixture

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11239921A (en) * 1998-02-25 1999-09-07 Hosei Kogyo Kk Highly accurate nut tapping device using bent shank nut tap
JP2013049103A (en) * 2011-08-30 2013-03-14 Azbil Corp Machining tool breakage-preventing device, and machining tool breakage-preventing method
CN202461721U (en) * 2012-02-16 2012-10-03 周碎林 Heavy-duty tapping machine
CN203031066U (en) * 2012-11-30 2013-07-03 重庆林腾机电有限公司 Three-way pipe tapping tool
CN103302434A (en) * 2013-06-09 2013-09-18 秦皇岛北方管业有限公司 Assembly welding tool generally used for hot blast main pipe elbows
CN103672173A (en) * 2013-11-30 2014-03-26 成都科盛石油科技有限公司 Pipe clamping device
CN103692128A (en) * 2013-11-30 2014-04-02 南京梅山冶金发展有限公司 Multi-specification combined elbow welding tool and welding method for same
CN204053520U (en) * 2014-07-09 2014-12-31 昆明理工大学 A kind of one eighth bend pipe thread cutting machine processing clamp device
CN206764046U (en) * 2017-03-09 2017-12-19 新疆通奥油田技术服务有限公司 Elbow fixture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108161531A (en) * 2018-01-04 2018-06-15 江苏隆达机械设备有限公司 Elbow processing unit (plant)

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Address after: 841600 Hongqiao petroleum service area, Luntai County, Xinjiang Uygur Autonomous Region

Patentee after: Tongao Testing Co.,Ltd.

Address before: 841600 Hongqiao petroleum service area, Luntai County, Xinjiang Uygur Autonomous Region

Patentee before: XINJIANG TONG'AO OIL FIELD TECHNOLOGY SERVICE Co.,Ltd.

Address after: 841600 National Highway 314 Chengdong Development Zone Tongao company, Luntai County, Bayingolin Mongol Autonomous Prefecture, Xinjiang Uygur Autonomous Region

Patentee after: Tongao Testing Group Co.,Ltd.

Address before: 841600 Hongqiao petroleum service area, Luntai County, Xinjiang Uygur Autonomous Region

Patentee before: Tongao Testing Co.,Ltd.