CN221065010U - Heavy lug fixed-position welding anchor clamps - Google Patents
Heavy lug fixed-position welding anchor clamps Download PDFInfo
- Publication number
- CN221065010U CN221065010U CN202323025742.3U CN202323025742U CN221065010U CN 221065010 U CN221065010 U CN 221065010U CN 202323025742 U CN202323025742 U CN 202323025742U CN 221065010 U CN221065010 U CN 221065010U
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- limiting clamping
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- 238000003466 welding Methods 0.000 title claims abstract description 41
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a heavy lifting lug positioning welding fixture, which relates to the technical field of welding fixtures and comprises a supporting base, a pressing plate component, a cushion block component and a limiting clamping part, wherein the bottom surface of the supporting base is a plane, the upward surface of the supporting base is longitudinally arc-shaped, and a transverse groove matched with a workpiece bottom plate is further formed in the upward surface of the supporting base; the plate surface of the pressing plate component is provided with a through hole for the bolt to pass through, and the pressing plate components respectively arranged on the upper planes of the left side and the right side of the workpiece bottom plate are compacted by the bolt and the cushion block component; the limiting clamping parts are arranged in the middle of the longitudinal two end faces of the supporting base and are locked by screws, so that a welding fixture for directly positioning the workpiece lug plates by using rectangular open grooves of the limiting clamping parts is formed. By adopting the mutually embedded positioning structure, the structure is simple, convenient to assemble and disassemble, and accurate in positioning between the clamp and the workpiece, the workpiece can be accurately positioned and installed under the constraint condition, so that the stability of welding quality is ensured, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of welding clamps, in particular to a heavy lifting lug positioning welding clamp.
Background
In engineering, petroleum drilling machinery belongs to heavy machinery. Because of the special working condition of petroleum drilling, the method has higher requirements on the structural strength of matched components, particularly the manufacturing quality of lifting lugs for lifting drill rods and sleeves, and particularly the manufacturing quality of lifting lugs for lifting drill rods and sleeves. In reality, lifting loads of lifting lugs applied under the working conditions are all more than 50 tons, so the lifting lugs are commonly called heavy lifting lugs in the industry. From the safety aspect, the industry generally does not adopt a casting molding process when manufacturing the heavy lifting lug, but adopts an alloy steel plate welding molding process. The heavy lifting lug is of a T-shaped structure, and the connection of the transverse bottom plate and the vertical lug plate is realized by generally using an angle welding process. CN204324677U is a detachable plate-type lifting lug, comprising a lifting lug plate with a lifting hole at one end; the two clamping plates are arranged in parallel and are fixedly connected with the lifting lug plates respectively, and the sealing head flange of the chemical equipment can be embedded between the two clamping plates; at least one pair of corresponding bolt holes are formed in the two clamping plates, and the bolt holes of the two clamping plates are overlapped with the axis of the bolt hole in the end socket flange, so that the detachable plate-type lifting lug and the end socket flange can be connected together through bolts, and the triangular reinforcing rib is connected with the clamping plates and the lifting lug plates through angle welding. The process requirement of the conventional free butt joint production form of the heavy lifting lug is low, the operation is simple and convenient, and small-batch production can be realized, but the unconstrained welding production mode obviously has two problems: firstly, the butt joint quality of the bottom plate and the lug plate is difficult to guarantee, secondly, the butt joint position of the bottom plate and the lug plate needs to be manually aligned, more working hours are needed, the production efficiency is necessarily low, in view of the two practical problems, a workpiece positioning structure is necessarily added on the basis of the prior art, so that the workpiece is positioned and installed under the constraint condition, and the quality of a heavy lifting lug welded under the working condition is good and stable.
Disclosure of utility model
The utility model mainly aims at the defects of the prior art, and provides the heavy lifting lug positioning welding fixture which has the advantages of simple structure, convenience in assembly and disassembly, accurate positioning and barrier-free lever application.
In order to solve the problems, the utility model provides a heavy lifting lug positioning welding fixture which comprises a supporting base, a pressing plate component, a cushion block component and a limiting clamping part, wherein the bottom surface of the supporting base is a plane, the upward surface of the supporting base is longitudinally arc-shaped, and a transverse groove matched with a workpiece bottom plate is further formed in the upward surface of the supporting base; the plate surface of the pressing plate component is provided with a through hole for the bolt to pass through, and the pressing plate components respectively arranged on the upper planes of the left side and the right side of the workpiece bottom plate are compacted by the bolt and the cushion block component; the limiting clamping parts are arranged in the middle of the longitudinal two end faces of the supporting base and are locked by screws, so that a welding fixture for directly positioning the workpiece lug plates by using rectangular open grooves of the limiting clamping parts is formed.
Preferably, the support base is a rectangular plate, a bolt positioning groove is formed in the lateral end of the transverse groove, and a screw positioning groove is formed in the lateral surface of the support base.
Preferably, the platen member is an elongated plate, the support base is at least twice as thick as the workpiece floor, and the support base must be sufficiently rigid as a basic member of the present jig to resist thermal deformation stress of the workpiece floor 7 during the post heat treatment.
Preferably, the inner side of the compacted platen member is spaced apart from the workpiece ear by c=15-30 mm in parallel.
Preferably, the limiting clamping part is a plate provided with a rectangular clamping groove upwards.
Preferably, the width dimension of the rectangular opening groove preset on the limiting clamping part is equal to the thickness value of the workpiece lug plate.
Preferably, the shapes and the sizes of two side edges of the rectangular open slot on the limiting clamping part are equal, the longitudinal cross sections of the two side edges are right-angled quadrangles, and the right-angle edge design is convenient for defining the installation position of the workpiece lug plate relative to the workpiece bottom plate by utilizing the preset rectangular open slot during welding construction, so that the positioning welding efficiency and quality of the heavy lifting lug are facilitated.
Compared with the prior art, the invention has the beneficial technical effects that:
The utility model adopts the mutually embedded positioning structure, which is simple and convenient to assemble and disassemble, and ensures that the positioning between the clamp and the workpiece is accurate, thereby ensuring the stable welding quality and improving the production efficiency. The mutual embedded positioning structure is adopted, so that the heavy hanging blank formed by welding is conveniently put into a furnace along with a clamp for annealing treatment, the blank is subjected to heat treatment under the constraint condition, the deformation resistance is high, and a basic condition is created for improving the manufacturing quality of products.
2. The utility model has the advantages of barrier-free welding under the positioning condition, stable welding quality, high production efficiency, enough rigidity of the supporting base of the clamp, and capability of resisting the thermal deformation stress of the workpiece in the heat treatment process, thereby improving the manufacturing quality of the product.
3. The rectangular open slot of the limiting clamping part can conveniently define the installation position of the workpiece lug plate relative to the workpiece bottom plate, and is beneficial to the efficiency and quality of welding construction.
Drawings
Fig. 1 is a schematic structural view of a heavy lifting lug positioning welding fixture.
Fig. 2 is a schematic view of the support base structure shown in fig. 1.
Fig. 3 is a schematic view of the structure of the workpiece bottom plate shown in fig. 1.
Fig. 4 is a schematic view of the structure of the workpiece ear plate shown in fig. 1.
Fig. 5 is a schematic structural view of the limiting clamping part shown in fig. 1.
In the figure: the device comprises a 1-supporting base, a 1.1-transverse groove, a 1.2-bolt positioning groove, a 1.3-screw positioning groove, a 2-pressing plate component, a 3-cushion block component, a 4-bolt, a 5-limit clamping part, a 6-screw, a 7-workpiece bottom plate and an 8-workpiece lug plate.
Description of the embodiments
The utility model is further illustrated by the following figures and examples.
Referring to fig. 1, a heavy lifting lug positioning welding fixture comprises a support base 1, a pressing plate component 2, a cushion block component 3 and a limiting clamping part 5; referring to fig. 2-4, the supporting base 1 is a rectangular plate, the bottom surface of the supporting base is a plane, the upward surface of the supporting base is in a circular arc shape longitudinally, a transverse groove matched with the workpiece bottom plate 7 is further arranged on the upward surface of the supporting base, the circular arc direction and the curvature radius of the transverse groove are matched with the bottom surface of the workpiece bottom plate 7, the supporting base 1 is used as a basic component of the fixture, and the supporting base 1 must have enough rigidity to resist the thermal deformation stress generated by the workpiece bottom plate 7 in the later heat treatment process, so the thickness of the supporting base 1 is set to be at least twice thicker than that of the workpiece bottom plate 7. In the embodiment, the thickness of the supporting base is set to be two times thicker than the thickness of the workpiece bottom plate 7 because of the lower specification of the processing, and the design can completely meet the matching requirement through production practice. The pressing plate component 2 is a strip-shaped plate block, through holes for the bolts 4 to penetrate are reserved in the plate surface, the pressing plate component 2 which is respectively arranged on the left side and the right side of the workpiece bottom plate 7 in a plane is compacted by the bolts 4 and the cushion block components 3, and when the pressing plate component 2 is arranged, the inner side edge of the pressing plate component 2 which is required to be compacted and the workpiece lug plate 8 are parallel and alternately C=15-30 mm, and the embodiment is 15mm. As shown in fig. 5, the limiting and clamping part 5 is a plate with a rectangular clamping groove upwards, and the limiting and clamping part 5 serving as a positioning element is installed in the middle of two longitudinal ends of the supporting base 1 and is locked by a screw 6. The width dimension of the preset rectangular opening groove on the limiting clamping part 5 is equal to the thickness value of the workpiece lug plate 8, and the shape and the dimension of two side edges of the rectangular opening groove on the limiting clamping part 5 are equal, and the longitudinal cross sections of the two side edges are right-angled quadrangles. The right-angle side design is convenient for defining the installation position of the workpiece lug plate 8 relative to the workpiece bottom plate 7 by utilizing the preset rectangular open slot during welding construction, thereby being beneficial to the positioning welding efficiency and quality of the heavy lifting lug.
The fixture is a steel structural member, can be positioned and disassembled, can be put into a furnace together with a workpiece for annealing treatment after the workpiece is welded and processed, and can fully utilize the rigidity of the fixture to limit the thermal deformation of the workpiece.
In order to facilitate understanding of the above technical solutions of the present utility model, the following describes the above technical solutions of the present utility model in detail through a specific usage manner.
The specific working process of the heavy lifting lug positioning welding fixture provided by the utility model is as follows:
Before welding, the workpiece bottom plate 7 is placed in the transverse groove 1.1 of the support base 1, so that the workpiece bottom plate is tightly attached to the support base.
The platen members 2 are respectively installed on the left and right sides of the work piece base plate 7, and are compacted using the bolts 4 and the pad members 3, ensuring the connection fastening between the work piece base plate 7 and the platen members 2.
The limiting clamping parts 5 are arranged in the middle of the two longitudinal end faces of the support base 1, and are locked by using screws 6 so as to be tightly connected with the support base 1.
The workpiece lug plate 8 is placed in the rectangular open slot of the limiting clamping part 5, so that the connection stability between the workpiece lug plate 8 and the limiting clamping part 5 is ensured.
The connection and the fastening among the workpiece bottom plate 7, the pressing plate component 2, the limiting clamping part 5 and the workpiece lug plate 8 are ensured, and the positioning between the clamp and the workpiece is accurate.
And (3) performing a welding process, and applying welding materials to the joint of the workpiece bottom plate 7 and the workpiece lug plate 8 to finish the welding process.
Through the working process, the heavy lifting lug positioning welding fixture provided by the utility model can realize that workpieces are accurately positioned and installed under constraint conditions, thereby ensuring the stability of welding quality and improving the production efficiency.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present utility model, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features of the utility model described herein.
Claims (7)
1. The utility model provides a heavy lug fixed-position welding anchor clamps, includes support base (1), clamp plate part (2), cushion part (3) and spacing chucking portion (5), its characterized in that:
The bottom surface of the supporting base (1) is a plane, one upward surface is longitudinally arc-shaped, and a transverse groove matched with the workpiece bottom plate (7) is further formed in the surface;
Through holes for the bolts (4) to penetrate are reserved on the plate surface of the pressing plate component (2), and the pressing plate components (2) which are respectively arranged on the upper plane of the left side and the right side of the workpiece bottom plate (7) are compacted by the bolts (4) and the cushion block components (3);
The limiting clamping parts (5) are arranged in the middle of the longitudinal two end faces of the supporting base (1) and are locked by screws (6), so that a welding fixture for directly positioning the workpiece lug plates (8) by using rectangular open grooves of the limiting clamping parts (5) is formed.
2. The heavy-duty shackle localized welding jig of claim 1 wherein: the support base (1) is a rectangular plate, a bolt positioning groove (1.2) is formed in the side end of the transverse groove (1.1), and a screw positioning groove (1.3) is formed in the side face of the support base (1).
3. The heavy-duty shackle localized welding jig of claim 2 wherein: the pressing plate component (2) is a strip-shaped plate block, and the thickness of the supporting base (1) is at least two times thicker than that of the workpiece bottom plate (7).
4. The heavy-duty shackle localized welding jig of claim 1 wherein: the inner side edge of the compacted pressing plate component (2) is parallel to the workpiece lug plate (8) and is spaced by C=15-30 mm.
5. The heavy-duty shackle localized welding jig of claim 1 or 4, wherein: the limiting clamping part (5) is a plate provided with a rectangular clamping groove upwards.
6. The heavy-duty shackle localized welding jig of claim 5 wherein: the width of the rectangular opening groove preset on the limiting clamping part (5) is equal to the thickness of the workpiece lug plate (8).
7. The heavy-duty shackle localized welding jig of claim 6, wherein: the two sides of the rectangular open slot on the limit clamping part (5) are equal in shape and size, and the longitudinal cross sections of the two sides are right-angled quadrilaterals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323025742.3U CN221065010U (en) | 2023-11-09 | 2023-11-09 | Heavy lug fixed-position welding anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323025742.3U CN221065010U (en) | 2023-11-09 | 2023-11-09 | Heavy lug fixed-position welding anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221065010U true CN221065010U (en) | 2024-06-04 |
Family
ID=91255965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323025742.3U Active CN221065010U (en) | 2023-11-09 | 2023-11-09 | Heavy lug fixed-position welding anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221065010U (en) |
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2023
- 2023-11-09 CN CN202323025742.3U patent/CN221065010U/en active Active
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