CN107355463B - A key hole connecting piece and subassembly for antidetonation diagonal bar welding takes root - Google Patents
A key hole connecting piece and subassembly for antidetonation diagonal bar welding takes root Download PDFInfo
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- CN107355463B CN107355463B CN201710675385.5A CN201710675385A CN107355463B CN 107355463 B CN107355463 B CN 107355463B CN 201710675385 A CN201710675385 A CN 201710675385A CN 107355463 B CN107355463 B CN 107355463B
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- 238000003466 welding Methods 0.000 title claims abstract description 78
- 230000007704 transition Effects 0.000 claims description 14
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- 238000000034 method Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 8
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/02—Nuts or like thread-engaging members made of thin sheet material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/06—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
- F16B37/061—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of welding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
- F16B43/02—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts with special provisions for engaging surfaces which are not perpendicular to a bolt axis or do not surround the bolt
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a keyhole connecting piece for rooting of anti-seismic diagonal rods in welding, which comprises a welding part, wherein the welding part comprises two welding plates, each welding plate is provided with an upper surface for welding and fixing, a first surface and a second surface, the connecting parts of the upper surface and the first surface and the second surface are respectively provided with a diagonal opening, and the two welding plates are parallel and opposite; the inclined rod connecting plate is a rectangular plate, the inclined rod connecting plate is provided with a bolt hole, the inclined rod connecting plate is fixed between the two welding plates and perpendicular to the two welding plates, and an included angle alpha is formed between the inclined rod connecting plate and the upper surface, wherein the angle alpha is more than or equal to 30 degrees and less than or equal to 60 degrees; the bolt hole is used for being fixedly connected with an anti-seismic inclined rod through bolts. The invention has simple structure, convenient installation, 30 percent higher strength than the conventional keyhole connecting piece for welding rooting of the anti-seismic diagonal bar and low production cost.
Description
Technical Field
The present invention relates to the field of construction and seismic, in particular to a universal component for seismic support of a construction electromechanical engineering facility, more particularly to a keyhole connector for seismic diagonal rod welding rooting and an assembly thereof.
Background
In order to defend and alleviate earthquake disasters, protect lives and property of people and promote sustainable development of economy and society, the method for reducing earthquake disaster in the people's republic of China provides that: the shockproof disaster reduction work is carried out, and guidelines which are mainly reserved and combined with defense and rescue are implemented; the design unit should design the earthquake according to the earthquake fortification requirement and the mandatory standard of engineering construction, and the quality of the earthquake resistant design and the accuracy of the design file of the construction drawing are responsible.
In the building electromechanical engineering earthquake-proof design rule, the building electromechanical engineering (including water supply and drainage, heating, ventilation, air conditioning, fuel gas, heat, electric power, communication, fire protection and the like) in the area with the earthquake-proof fortification intensity of more than 6 degrees is specified to perform earthquake-proof design.
At present, a considerable part of pipelines, air ducts and cable bridge systems in domestic industry and constructional engineering do not have earthquake-resistant facilities. In some projects, although the anti-seismic support and hanger are adopted, a plurality of defects still exist, including: the component structure is complex, and the installation is inconvenient; the anti-seismic support hangers (or anti-seismic hangers) have lower strength of certain components; the structure of the anti-seismic support and hanger is unreasonable, so that the anti-seismic performance is unsatisfactory.
Taking the connecting piece as an example, the connecting piece which is connected with the diagonal rod at present commonly comprises a hinge connecting piece and an anti-seismic seat connecting piece. However, the hinge connection often has a 90 ° twisted portion, thus resulting in lower mechanical strength at the twisted portion or twist, and also lower strength at the link portion, which makes it difficult to achieve a satisfactory vibration-resistant effect.
In view of the foregoing, there is a great need in the art to develop a connector for a shock-resistant hanger that is simple in structure, convenient to install, and has excellent shock resistance.
Disclosure of Invention
The invention aims to provide a connecting piece for an anti-seismic hanger, which has the advantages of simple structure, convenient installation and excellent shock resistance.
In a first aspect of the present invention, there is provided a keyhole connector for seismic diagonal welding rooting, in particular, the connector comprising a welded portion comprising two welded plates, each welded plate having an upper surface for welded fixation, a first surface and a second surface, the portions of the upper surface connected to the first surface and the portions of the upper surface connected to the second surface being provided with diagonal cuts, the two welded plates being parallel to each other and opposed; the inclined rod connecting plate is a rectangular plate, the inclined rod connecting plate is provided with a bolt hole, the inclined rod connecting plate is fixed between the two welding plates and perpendicular to the two welding plates, and an included angle alpha is formed between the inclined rod connecting plate and the upper surface, wherein the angle alpha is more than or equal to 30 degrees and less than or equal to 60 degrees; the inclined rod connecting plate is provided with an inner surface and an outer surface, the bolt hole is used for being fixedly connected with an anti-seismic inclined rod through a conical surface with an opening facing outwards and a conical top angle beta, the bolt hole is connected with the inner surface through a cylindrical surface, the bolt hole is further provided with an optional transition surface positioned between the conical surface and the cylindrical surface, and the angle beta is more than or equal to 105 degrees and less than or equal to 135 degrees.
In another preferred embodiment, the cross-sectional shape of the upper surface provided with the bevel is an isosceles trapezoid.
In another preferred embodiment, the weld and the diagonal connecting plate are integral or integrally formed.
In another preferred embodiment, the two welding plates and the diagonal connecting plate are in smooth transition.
In another preferred embodiment, the lower part of the welding plate is of a V-shaped structure, wherein the diagonal connecting plate is fixedly connected to the left side or the right side of the V-shaped structure.
In another preferred embodiment, in the V-shaped structure, the length of the side connected with the diagonal connecting plate is L 1 The length of one side which is not connected with the diagonal connecting plate is L 2 And L is 1 ＜L 2 。
In another preferred embodiment, the left side of the V-shaped structure and the right side of the V-shaped structure form an included angle gamma, wherein, the gamma is more than or equal to 75 degrees and less than or equal to 125 degrees.
In another preferred embodiment, the welding plate and the diagonal connecting plate are both flat plate structures.
In another preferred embodiment, the bolt hole is located in the middle of the diagonal connecting plate.
In a second aspect of the invention, there is provided an anti-seismic diagonal welding rooting assembly, in particular comprising a) a keyhole connector as described above for anti-seismic diagonal welding rooting; b) The anti-seismic inclined rod is provided with a bolt at one end, and the inclined rod pin shaft is used for being connected with a bolt hole of the inclined rod connecting plate in a bolt-screw hole mode, wherein the bolt sequentially passes through the cylindrical surface and the conical surface; c) The spherical washer is matched with the bolt, and the bolt is contacted with the conical surface of the bolt hole through the spherical washer to form a revolute pair; and d) nuts, the bolts extend out of the bolt holes and are fastened by the nuts.
It is understood that within the scope of the present invention, the above-described technical features of the present invention and technical features specifically described below (e.g., in the examples) may be combined with each other to constitute new or preferred technical solutions. And are limited to a space, and are not described in detail herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a keyhole connector for seismic diagonal rod welding rooting in one example of the invention;
FIG. 2 is a top view of a keyhole connector for seismic diagonal rod welding rooting in one example of the invention;
FIG. 3 is a left side view of a keyhole connector for seismic diagonal rod welding rooting in one example of the invention;
FIG. 4 is a perspective view of a keyhole connector for shock resistant diagonal rod welding rooting in one example of the invention.
FIG. 5 is a perspective view of a keyhole connector for shock resistant diagonal rod welding rooting in one example of the invention.
In the drawings, each is indicated as follows:
c102: the keyhole connecting piece is used for welding and rooting of the anti-seismic diagonal rods;
b1: welding plates;
b2: a diagonal bar connecting plate;
s: an upper surface;
k012: bolt holes.
Detailed Description
Through extensive and intensive research, the inventor develops a set of components and assemblies of the anti-seismic hanging frame which are novel in structure and suitable for building electromechanical engineering facilities and process pipelines in various industries for the first time through a large number of screening and optimizing, and an anti-seismic hanging frame structure adopting the components and/or assemblies. The components and/or assemblies for a shock resistant hanger of the present invention include structurally unique connectors and adjustable bar assemblies and the like. The components and/or the components for the anti-seismic hanging frame can be conveniently assembled into various anti-seismic hanging frames with obviously improved anti-seismic strength, light structure, safety and reliability, and the invention is completed on the basis.
In particular, as regards the connectors, the connection to the connector of the present invention includes (but is not limited to): the bolt connecting piece for the single anti-seismic diagonal rod, the bolt connecting piece for the single-side double anti-seismic diagonal rod, the bolt connecting piece for the double-side single anti-seismic diagonal rod, the bolt connecting piece for the double-side double anti-seismic diagonal rod, the connecting piece for the longitudinal double anti-seismic diagonal rod, the connecting piece for the multidirectional multi-anti-seismic diagonal rod and the like.
Terminology
As used herein, the terms "shock-resistant hanger," "shock-resistant support hanger" are used interchangeably to refer to an important shock-resistant measure of effective protection of electromechanical equipment and pipelines, which consists of anchors, reinforcing booms, shock-resistant connection members, and shock-resistant struts.
As used herein, the terms "shock resistant diagonal brace (bracing component)", "shock resistant diagonal rod", "diagonal brace" are used interchangeably to refer to a diagonal brace member in a shock resistant hanger that transmits seismic forces (primarily horizontal forces) to a building structure. It should be understood that the shock resistant diagonal braces include rigid supports and flexible braces, particularly rigid supports.
As used herein, the terms "bolt hole" and "bolt hole" are used interchangeably to refer to a through hole that is connected to a bolt.
It should be noted that in the claims and the description of this patent, 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. Terms of positional relationship such as "upper", "lower", "left", "right", "inner" or "outer" are relative to the positional relationship of the connector or assembly of the present invention when used after assembly is merely for convenience of description and easier understanding. 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" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
A key hole connecting piece for antidetonation diagonal bar welding takes root
The invention provides a keyhole connecting piece for welding rooting of an anti-seismic diagonal rod, which has a specific structure. Specifically, the keyhole connecting member includes a welded portion and a diagonal connecting plate. Wherein, the welding portion includes two welded plates again, and every welded plate is equipped with the upper surface that is used for welded fastening, first surface and second surface, and the part that upper surface and first surface are connected and the part that upper surface and second surface are connected all are equipped with the bevel connection, and the bevel connection design is more convenient to weld, more easily with diagonal connection board welded fastening to the mounting, and two welded plates are parallel to each other and opposite.
The inclined rod connecting plate is a rectangular plate, is fixed between two welding plates, is perpendicular to the two welding plates, and forms an included angle alpha with the upper surface, wherein alpha is more than or equal to 30 degrees and less than or equal to 60 degrees; preferably, 35 DEG.ltoreq.alpha.ltoreq.55 DEG; more preferably, alpha is more than or equal to 40 degrees and less than or equal to 50 degrees; the inclined rod connecting plate is provided with a bolt hole which is used for being fixedly connected with an anti-seismic inclined rod, the inclined rod connecting plate is provided with an inner surface and an outer surface, the bolt hole is connected with the inner surface through a conical surface which is opened outwards and has a conical angle beta, the bolt hole is connected with the outer surface through a cylindrical surface, and the bolt hole is also provided with an optional transition surface (such as a cylindrical surface or an arc curved surface, preferably an arc curved surface protruding towards the center) which is positioned between the conical surface and the cylindrical surface, wherein beta is more than or equal to 105 degrees and less than or equal to 135 degrees; more preferably, 110 DEG is more than or equal to beta is more than or equal to 130 DEG; optimally, 115 DEG.ltoreq.beta.ltoreq.125 deg.
It will be appreciated that the thickness of the diagonal web of the present invention is not particularly limited and may be determined according to the requirements required for the shock-resistant hanger, and is typically 8-80mm, preferably 10-55mm, more preferably 12-30mm.
It should be understood that the material of the bolting means for seismic diagonal rod welding rooting according to the invention is not particularly limited and may be a material with excellent mechanical strength, such as carbon steel, alloy steel, etc.
In another preferred embodiment, the first surface and the second surface are parallel or substantially parallel.
In another preferred embodiment, the inner and outer surfaces are parallel or substantially parallel.
In another preferred embodiment, the apex of the conical surface is located on (i.e., is coincident or substantially coincident with) the central axis of the bolt hole.
In another preferred embodiment, the transition surface is a curved surface.
In another preferred embodiment, the radius of the transition surface is not less than 5mm.
In another preferred embodiment, the transition surface height d in the direction of the bolt hole 3 From 0 to 20mm, preferably from 0 to 15mm, more preferably from 0 to 10mm.
In another preferred embodiment, the height of the conical surface along the central axis of the bolt hole is d 1 The height of the cylindrical surface is d 2 Too muchThe height of the transition surface is d 3 D is then 1 +d 2 +d 3 The sum is equal to the thickness of the diagonal connecting plate; and d 1 /d 2 The ratio is 0.1-0.7; and/or (d) 1 +d 2 )/(d 1 +d 2 +d 3 ) The ratio is 0.8-1.
In another preferred embodiment the closest distance of the bolt hole from the outer edge of the diagonal connecting plate is 2-5 times its radius, preferably 2.2-4 times, more preferably 2.5-3 times.
In another preferred embodiment, the smallest diameter of the bolt hole (i.e. the diameter of the narrowest part of the bolt hole) Z xmin Is 11-93mm, preferably 13-67mm, more preferably 17-37mm.
In addition, the keyhole connecting piece for welding and rooting of the anti-seismic diagonal rod has a simplified structure, and the strength of the keyhole connecting piece is improved. In addition, the thickness of the keyhole connecting piece for welding rooting of the anti-seismic diagonal rod is not particularly limited because of avoiding a twisting structure, and the keyhole connecting piece with the required thickness (especially thicker thickness) can be prepared, so that the strength of the keyhole connecting piece is further improved; in addition, the bolt hole is provided with the conical surface, so that the bolt hole can be better matched with the anti-seismic inclined rod, the spherical washer and the nut, and better adaptability and better anti-seismic performance are provided in the installation process and the anti-seismic process.
Anti-seismic diagonal rod welding rooting assembly
The invention also provides an anti-seismic diagonal welding rooting assembly, which comprises: (a) The keyhole connecting piece for the welding rooting of the anti-seismic diagonal rods; (b) an anti-seismic diagonal; (c) a spherical washer; and (d) a nut. The shock-resistant diagonal member suitable for use in the present invention is not particularly limited as long as one or both ends thereof are provided with bolts. The invention is mainly suitable for rigid anti-seismic diagonal rods. Representative shock resistant diagonal rods include C-shaped, U-shaped, and L-shaped channel steel or any other conventional diagonal rod.
When one end or two ends of the anti-seismic diagonal rod are provided with diagonal rod bolts, the size of the bolt hole connecting piece for rooting by welding the anti-seismic diagonal rod is matched with the size of the diagonal rod bolts, the bolts can be connected in a bolt-screw hole mode, the bolts sequentially penetrate through the cylindrical surface and the conical surface of the bolt holes and extend out of the bolt holes, then the bolts of the anti-seismic diagonal rod are fastened by nuts, and therefore the anti-seismic diagonal rod can be connected with or already connected with the bolt holes of the bolt hole connecting piece for rooting by welding the anti-seismic diagonal rod.
In another preferred embodiment, the spherical washer is penetrated by the bolt and is located between the nut and the inner surface of the diagonal connecting plate. In another preferred embodiment, the anti-seismic diagonal welding rooting assembly comprises a fixed base which provides a fixed foundation for the whole assembly, and the upper surface of the welding plate is welded on the fixed base.
In another preferred embodiment, in the working state, the anti-seismic diagonal in the anti-seismic diagonal welding rooting assembly is parallel or approximately parallel to the side of the V-shaped structure to which the diagonal connection plate is not connected.
In another preferred embodiment, the other end of the shock-resistant diagonal rod is a threaded end, and the threaded end can be connected with a bolt hole connecting piece.
In another preferred embodiment, the other end of the anti-seismic diagonal rod is a pin end, and the pin end can be connected with a keyhole connecting piece.
In another preferred embodiment, the other end of the shock-resistant diagonal rod is a pin hole, which can be connected to a pin connection (e.g., a pin clamp).
The main advantages of the invention include:
(a) The connecting piece is simple in structure and convenient to install.
(b) The connecting piece of the invention has the advantages of strength improvement of more than 30% and low production cost compared with the conventional connecting piece (hinge type connecting piece).
(c) The connecting piece can be used as a basic universal component of an anti-seismic support and hanger, and is suitable for anti-seismic structures of pipelines, air ducts and cable trays of various industries and buildings.
(d) The connecting piece can not only effectively resist longitudinal vibration, but also effectively resist transverse vibration.
(e) The bevel connection design of first right angle side is more convenient welding, more easily with the dead lever connecting plate welded fastening to mounting.
(f) The conical surface of the bolt hole replaces the conical surface gasket to form a revolute pair with the spherical gasket of the anti-seismic rod assembly, so that positioning correction in the installation process is facilitated.
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. The experimental methods, in which specific conditions are not noted in the following examples, are generally conducted under conventional conditions or under conditions recommended by the manufacturer.
Example 1
Fig. 1-4 illustrate a keyhole connector C102 for seismic diagonal rod welding rooting in one example of the invention. The keyhole connecting piece C102 for the shock-resistant diagonal rod welding rooting comprises a welding part and a diagonal rod connecting plate B2, and the welding part and the diagonal rod connecting plate B2 are integrally formed.
The welding part comprises two welding plates B1, and the two welding plates B1 and the diagonal connecting plate B2 are in smooth transition connection. Each welding plate B1 is provided with an upper surface S for welding fixation, a first surface and a second surface, the upper surface S is used for welding fixation, a part of the upper surface S connected with the first surface and a part of the upper surface S connected with the second surface are all provided with bevel connection, the bevel connection is designed to be more convenient to weld, the bevel connection plate B2 is more easy to weld and fix on a fixing piece, and the two welding plates B1 are parallel and opposite to each other. The lower part of the welding plate B1 is of a V-shaped structure, wherein the diagonal connecting plate B2 is fixedly connected to the right side of the V-shaped structure, and the length L of the right side of the V-shaped structure 1 Less than its left side length L 2 And the included angle gamma between the left side surface of the V-shaped structure and the right side surface of the V-shaped structure is 90 degrees. The cross section of the upper surface S provided with the bevel opening is in an isosceles trapezoid shape, the length of the upper surface S is 80mm, the top side of the isosceles trapezoid is 2mm, the height is 4mm, and the bottom side of the isosceles trapezoid is 10mm. The left side length of the V-shaped structure is 73mm, the right side length is 37mm, and the included angle between the left side of the V-shaped structure and the vertical direction is 135 degrees. The center distance between the two welding plates B1 was 70mm.
The inclined rod connecting plate B2 is a rectangular plate, and the inclined rod connecting plate B2 is provided with a bolt hole K012, bolt hole K012 is located the middle part of diagonal connecting plate B2, and diagonal connecting plate B2 is fixed in between two welded plate B1, and with being perpendicular to two welded plate B1, be the arc transition between two welded plate B1 and the diagonal connecting plate B2, form the arc transition section, wherein, the radius of outside circular arc is 20mm, and the radius of inboard circular arc is 10mm, and diagonal connecting plate B2 and upper surface S become contained angle alpha and be 45. The inclined rod connecting plate B2 is provided with an inner surface and an outer surface, the bolt hole K012 is used for being fixedly connected with an anti-seismic inclined rod through a conical surface with an opening outwards and a conical angle beta, the bolt hole K012 is connected with the inner surface, and the bolt hole K012 is connected with the outer surface through a cylindrical surface, wherein the beta is 120 degrees. The conical surface can be parabolic, and the conical peak of the conical surface is positioned on the central axis of the bolt hole K012, the vertical distance between the central axis of the bolt hole K012 and the left side of the V-shaped structure is 25mm, and the minimum diameter Z of the bolt hole K012 xmin Height d of conical surface of 20mm 1 Height d of cylindrical surface of 3mm 2 The height of the diagonal connecting plate B2 is 10mm and is 7mm.
The welding plate B1 and the diagonal connecting plate B2 are of flat plate structures, namely the first surface and the second surface of the welding plate B1 are parallel, and the inner surface and the outer surface of the diagonal connecting plate B2 are parallel. The thickness of the welding plate B1 and the thickness of the diagonal connecting plate B2 are the same and are 10mm.
Example 2
The anti-seismic diagonal welding rooting assembly of the embodiment comprises: a keyhole connector, shock-resistant diagonal rod, spherical washer and nut for shock-resistant diagonal rod welding rooting as described in example 1. The anti-seismic inclined rod is a rigid anti-seismic inclined rod, and one end of the anti-seismic inclined rod is provided with an inclined rod bolt. The size of the diagonal bolt is matched with that of the bolt hole connecting piece for welding and rooting of the anti-seismic diagonal rod in the embodiment 1, the diagonal bolt and the bolt hole are connected in a bolt-screw hole mode, the bolt sequentially penetrates through the cylindrical surface and the conical surface of the bolt hole and extends out of the bolt hole, and penetrates through a spherical gasket matched with the bolt, the bolt is contacted with the conical surface of the bolt hole through the spherical gasket to form a revolute pair, positioning correction of the assembly in the installation process is facilitated, the extending part of the bolt is finally fastened through a screw cap, and the spherical gasket is positioned between the screw cap and the inner surface of the diagonal rod connecting plate, so that the anti-seismic diagonal rod is connected to the bolt hole connecting piece for welding and rooting of the anti-seismic diagonal rod. The other end of the anti-seismic inclined rod is provided with an inclined rod pin hole which is connected with the pin shaft pipe clamp. The anti-seismic diagonal rod welding rooting assembly can be used for suspending pipelines and the like, and can effectively resist longitudinal vibration and transverse vibration.
In the working state, the anti-seismic diagonal rods in the anti-seismic diagonal rod welding rooting assembly are parallel or approximately parallel to the left side of the V-shaped structure.
All documents mentioned in this application are incorporated by reference as if each were individually incorporated by reference. Further, it will be appreciated that various changes and modifications may be made by those skilled in the art after reading the above teachings, and such equivalents are intended to fall within the scope of the claims appended hereto.
Claims (9)
1. A keyhole connecting piece for welding rooting of anti-seismic diagonal rods is characterized by comprising
The welding part comprises two welding plates, each welding plate is provided with an upper surface for welding and fixing, a first surface and a second surface, a part of the upper surface connected with the first surface and a part of the upper surface connected with the second surface are respectively provided with an inclined opening, and the two welding plates are parallel and opposite to each other; and
the inclined rod connecting plate is a rectangular plate, the inclined rod connecting plate is provided with a bolt hole, the inclined rod connecting plate is fixed between the two welding plates and perpendicular to the two welding plates, and an included angle alpha is formed between the inclined rod connecting plate and the upper surface, wherein alpha is more than or equal to 30 degrees and less than or equal to 60 degrees;
the inclined rod connecting plate is provided with an inner surface and an outer surface, the bolt hole is used for being fixedly connected with an anti-seismic inclined rod through a conical surface with an opening facing outwards and a conical angle beta, the bolt hole is connected with the outer surface through a cylindrical surface, and the bolt hole is also provided with an optional transition surface positioned between the conical surface and the cylindrical surface, wherein beta is more than or equal to 105 degrees and less than or equal to 135 degrees;
wherein the lower part of the welding plate is of a V-shaped structure, the diagonal connecting plate is fixedly connected to the left side or the right side of the V-shaped structure, and in the V-shaped structure, the length of one side connected with the diagonal connecting plate is L 1 The length of one side which is not connected with the diagonal connecting plate is L 2 And L is 1 ＜L 2 The left side face of the V-shaped structure and the right side face of the V-shaped structure form an included angle gamma, wherein gamma is more than or equal to 75 degrees and less than or equal to 125 degrees;
wherein the weld and the diagonal connecting plate are integral or integrally formed.
2. The male connector of claim 1, wherein the upper surface provided with the bevel is isosceles trapezoid in cross-sectional shape.
3. The male connector of claim 1, wherein the diagonal web has a thickness of 8-80mm.
4. The male connector of claim 1, wherein two of said weld plates and said diagonal connecting plate are in a rounded transition.
5. The male connector of claim 1, wherein the male connector is made of carbon steel or alloy steel.
6. The male connector of claim 1, wherein the transition surface is a curved arc surface; the radius of the transition surface is not less than 5mm.
7. The male connector of claim 6, wherein the weld plate and the diagonal connecting plate are each of flat configuration.
8. The male connector of claim 1, wherein the bolt hole is located in a middle portion of the diagonal connecting plate.
9. An anti-seismic diagonal welding rooting assembly, comprising
a) A keyhole connector for seismic diagonal rod welding rooting as claimed in any one of claims 1-8;
b) The anti-seismic inclined rod is provided with a bolt at one end, and the inclined rod pin shaft is used for being connected with the bolt hole of the inclined rod connecting plate in a bolt-screw hole mode, wherein the bolt sequentially passes through the cylindrical surface and the conical surface;
c) The spherical washer is matched with the bolt, and the bolt is contacted with the conical surface of the bolt hole through the spherical washer to form a revolute pair; and
d) And the bolt extends out of the bolt hole and is fastened through the nut.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710675385.5A CN107355463B (en) | 2017-08-09 | 2017-08-09 | A key hole connecting piece and subassembly for antidetonation diagonal bar welding takes root |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710675385.5A CN107355463B (en) | 2017-08-09 | 2017-08-09 | A key hole connecting piece and subassembly for antidetonation diagonal bar welding takes root |
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| CN107355463A CN107355463A (en) | 2017-11-17 |
| CN107355463B true CN107355463B (en) | 2023-07-25 |
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| CN110500347A (en) * | 2018-05-18 | 2019-11-26 | 关海锋 | 45 degree of angle invisible connecting pieces of house ornamentation |
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