CN109281924A - Joint of steel structure and its manufacturing method of the outsourcing from closing in - Google Patents

Joint of steel structure and its manufacturing method of the outsourcing from closing in Download PDF

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Publication number
CN109281924A
CN109281924A CN201811378421.2A CN201811378421A CN109281924A CN 109281924 A CN109281924 A CN 109281924A CN 201811378421 A CN201811378421 A CN 201811378421A CN 109281924 A CN109281924 A CN 109281924A
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China
Prior art keywords
steel
stage
joint
matrix
prepares
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Granted
Application number
CN201811378421.2A
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CN109281924B (en
Inventor
谢振宁
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Guangxi Tianzheng Steel Structure Co Ltd
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Guangxi Tianzheng Steel Structure Co Ltd
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Classifications

    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0614—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part of the joint being open on two sides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • F16C11/0623—Construction or details of the socket member
    • F16C11/0628—Construction or details of the socket member with linings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/068—Special features relating to lubrication
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0685—Manufacture of ball-joints and parts thereof, e.g. assembly of ball-joints
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/10—Arrangements for locking
    • F16C11/103—Arrangements for locking frictionally clamped
    • F16C11/106—Arrangements for locking frictionally clamped for ball joints

Abstract

The invention discloses a kind of outsourcings from the joint of steel structure and its manufacturing method to close up, the joint of steel structure include cylindrical base, by closing in be wrapped in be provided with the ball rod of bulb and be solidificated in cylindrical base inner surface and solidification stratum synoviale that ball rod matches；The present invention use with cylindrical base shape be adapted and upper end opening and opening by it is outer and in be provided be in that the tubular seaming tool on 30 °, 20 ° and 10 ° inclined-planes carries out three-stage buffering and closes up, and is machined with the escape of adaptive deformation requirement in cylindrical base inner surface bottom in advance before closing in axis respectively.Steel construction permission of the invention is in situ to rotate, prevents from axially pulling, close up certainly, install simple, stable structure.

Description

Joint of steel structure and its manufacturing method of the outsourcing from closing in
Technical field
The joint of steel structure and its manufacturing method to close up certainly the present invention relates to field of steel structure more particularly to a kind of outsourcing.
Background technique
It there are three types of the connection type of steel construction is general, is welded to connect, is bolted and rivet interlacement.It is welded to connect because having Any orientation, angle and the shape of steel can be directly connected to, member section, saving steel, simple structure, system are not weakened It makes conveniently, the rigidity of connection is big, good seal performance, preferably uses automated job, is widely used the advantages that high production efficiency. Welded connecting is that the heat generated by electric arc makes welding rod and weldment local melting, weld seam is condensed into through cooling, thus by weldment It links into an integrated entity.In high-temperature soldering cooling procedure, the steel near weld seam are because of high temperature action formation heat affected area, due to unevenness Even high temperature and cooling makes structure generate residual stress and residual deformation and become fragile, to the bearing capacity of steel construction, rigidity and use Performance has certain influence.
For demand property (such as multistage connecting rod, head need to rotate convenient for assembling security framework) steel construction and Speech, the anti-axial direction of the special requirement of demand pulls but radial rotatable joint structure.
And at present in the related patents applied at home, it does not pull specifically for anti-axial direction but radial direction But rotary joint The prior art of structure, thus need a kind of permission to rotate in situ in the market, prevent it is axial pull, from close up, installation is simple, knot The stable joint of steel structure of structure.
Summary of the invention
It rotates the present invention is intended to provide permission is in situ, prevents from axially pulling, close up certainly, simple, stable structure steel is installed Structural joint and its manufacturing method.
To achieve the goals above, the invention adopts the following technical scheme: the joint of steel structure that a kind of 1, outsourcing is closed up certainly Manufacturing method, comprising the following steps:
1) prepare before manufacture
1. raw material prepare: prepare phosphorus content not higher than 0.3% steel billet, spherical surface hardness not less than 50HRC ball rod, Sufficient solid synovial membrane coating material；
2. tooling prepare: prepare with final design base steel shape be adapted upper end opening and opening by outside and in set Be equipped be in respectively with axis 30 °, 20 ° and 10 ° inclined-planes tubular seaming tool, preparation and final design steel matrix outer circle be adapted High-frequency induction tooling, the adaptable film layer of preparation and final design steel matrix Inner arc coat tooling；
3. equipment prepares: preparing laser cladding equipment, hydraulic device, baking oven, high-frequency induction device；
2) steel matrix is processed
1. by the stage 1) steel billet that 1. prepares of step is processed into lower end cylinder upper end inversed conical drum and the conical surface is oblique relative to axis The two-part structure that degree is 30 ° is initial steel construction；
2. basic point burr-drill hole vertically downward, taper hole top angle is in the initial steel construction upper surface center 1. obtained using step It is 60 °, when horizontal plane locating for hole pointed drill to lower end cylindrical surface top stops, aperture steel construction in acquisition；
3. being located at close to taper hole face lower end away from end face in the middle cone hole face of 2. middle aperture steel construction that step obtains The position of length 2/3-3/4, using the stage 1) Probe-radius of ball rod that 1. prepares of step as radius of machining, with taper hole face and end The annulus of face junction is the center of circle of vertical cross-section, processes a circle arc anchor ring, obtains prefabricated base structure；
4. processing depth and remaining conical surface equal length using taper hole tip as matrix to process the process of escape Escape, obtain needed for steel matrix；
3) it pre-processes
1. by the stage 2) obtain steel matrix use the stage 1) step 2. prepare film layer coating tooling protect and fix, Using the stage 1) the solid synovial membrane coating material that 2. prepares of step is raw material, using laser cladding equipment to the stage 2) 3. step obtains The arc anchor ring obtained carries out the processing of coating produced by laser cladding solid synovial membrane, solidifies consolidating for a layer thickness 0.08mm-0.2mm on arc anchor ring Body stratum synoviale obtains pretreatment steel matrix；
4) closing in jacket
1. by the stage 1) step 1. prepare ball rod, the stage 3) obtain pretreatment steel matrix, the stage 1) step is 2. quasi- Standby tubular seaming tool is coaxially fixed from top to bottom, using the stage 1) hydraulic device that 3. prepares of step is continuously applied vertical pressure Clamp force obtains closing in jacket joint of steel structure until ball rod, pretreatment steel matrix are moved to and close up and fix completely；
2. the outer circle of 1. closing in jacket steel construction that step obtains is placed in high-frequency induction tooling, using the stage 1) step 3. the high-frequency induction device prepared carries out induction heating, until raw steel matrix deformed region is heated to the AC of Steel material3Temperature with Upper 30 DEG C -50 DEG C, then stops heating and standing to deformation terminating, obtain stabilized steel structural joint；
3. repeating step 1. -2. 2 times -3 times, solidification joint of steel structure is obtained；
5) it post-processes
1. by the stage 4) obtain the outer circle for solidifying joint of steel structure be placed in high-frequency induction tooling, using the stage 1) step 3. the high-frequency induction device prepared carries out induction heating, until steel matrix is integrally heated to the AC of Steel material3More than temperature 30 DEG C- 50 DEG C, then hardening to temperature is stablized, using the stage 1) baking oven that 3. prepares of step uses the solidification joint of steel structure of hardening 200 DEG C of -240 DEG C of temperature, 2h-3h time carry out tempering, obtain and strengthen steel construction, which is required outsourcing From the joint of steel structure of closing in.
From in the manufacturing method of the joint of steel structure to close up, steel matrix uses 10 for above-mentioned outsourcing#Steel making, ball rod are adopted It is quenched with GCr6 and is obtained after lonneal.
From in the manufacturing method of the joint of steel structure to close up, steel matrix is manufactured using 20Cr for above-mentioned outsourcing, and ball rod is adopted With the surfaces nitrided rear acquisition of 32Cr3MoV.
Above-mentioned outsourcing is from the manufacturing method of the joint of steel structure to close up, and steel matrix is manufactured using 30CrMnSi, bulb Bar obtains after using 12CrNi3 case-carbonizing, quenching and lonneal.
Above-mentioned outsourcing from close up joint of steel structure manufacturing method in, solid synovial membrane coating material be silver, iron sulfide, Any one in molybdenum disulfide.
Compared with prior art, the invention has the following advantages that (1) present invention is realized fair by the simultaneously jacket that closes up Perhaps in situ to rotate, prevent the functional structure axially pulled, and the setting by solidifying stratum synoviale and the processing of circular arc anchor ring add The strong applicability and practicability of this structure, improves service life and reduces sliding resistance, while also improving the tight of connector Conjunction degree.(2) structure design of the invention be it is very outstanding in reasonable, conventional physics closing in technology, be to have no idea Complete, continuous solid synovial membrane is integrated in Internal Spherical Surface, this is because closing in (the also pole actually applied in routine techniques It is few) it is only merely the side wing area deformed on the outside of upper surface, make its inside jacket, grasp also relies solely on slight side wing area Steel structure support, it is often more important that this structure has very big inner arc spherical surface close to (with horizontal plane) parallel with axis, The side wing that even can be also held stops, and for linear depositional mode (such as laser melting coating, supersonic flame spraying), is It cannot achieve, the present invention greatly improves the volume of deformed region by reasonable technological design, promptly adds so that providing Steel construction volume greatly increase, anti-pulling-out force is stronger, at the same make unreefed inner arc spherical surface inclination angle increase, also without physics hinder Gear can greatly enhance the performance and used life of joint with the cladding of simple realization functional layer.(3) currently preferred Three kinds of matching materials are all pairings relatively reasonable during existing friction associate research fellow is studied carefully, and are all the materials of lower cost, are easily handled And be easily achieved, even if reasonably also can guarantee the present invention one with pair in this way in the case where solid synovial membrane falls off or fails It is operated normally in section of fixing time.(4) the subsequent heat treatment of the present invention is also further to promote deformed region metallographic structure stabilization, turn Change completely, on the one hand last Low Temperature Heat Treatment plays the role of destressing, on the other hand can also stabilize metallographic structure (quenching horse Family name's body is changed into tempered martensite), greatly improve joint steel matrix intensity.Therefore joint of steel structure of the invention has Permission is in situ to rotate, prevents from axially pulling, close up certainly, install simple, stable structure characteristic.
Detailed description of the invention
Fig. 1 is the structural schematic diagram after the present invention is installed；
Fig. 2 is the structural schematic diagram before present invention installation.
In figure: steel matrix 1, escape 2, ball rod 3, solid stratum synoviale 4, tubular seaming tool 5.
Specific embodiment
Embodiment 1:
A kind of manufacturing method of the outsourcing as shown in Figure 1 and Figure 2 from the joint of steel structure to close up, comprising the following steps:
1) prepare before manufacture
1. raw material prepare: preparing 10#Ball rod 3, the enough silver obtained after steel steel billet, GCr6 quenching and lonneal Powder；
2. tooling prepare: prepare with final design base steel shape be adapted upper end opening and opening by outside and in set It is equipped with the tubular seaming tool 5 for axis being respectively in 30 °, 20 ° and 10 ° inclined-planes, preparation is mutually fitted with final design steel matrix outer circle The adaptable film layer coating tooling of high-frequency induction tooling, preparation and the final design steel matrix Inner arc answered；
3. equipment prepares: preparing laser cladding equipment, hydraulic device, baking oven, high-frequency induction device；
2) steel matrix 1 is processed
1. by the stage 1) steel billet that 1. prepares of step is processed into lower end cylinder upper end inversed conical drum and the conical surface is oblique relative to axis The two-part structure that degree is 30 ° is initial steel construction；
2. basic point burr-drill hole vertically downward, taper hole top angle is in the initial steel construction upper surface center 1. obtained using step It is 60 °, when horizontal plane locating for hole pointed drill to lower end cylindrical surface top stops, aperture steel construction in acquisition；
3. being located at close to taper hole face lower end away from end face in the middle cone hole face of 2. middle aperture steel construction that step obtains The position of length 3/4, using the stage 1) Probe-radius of ball rod 3 that 1. prepares of step as radius of machining, with taper hole face and end face The annulus of junction is the center of circle of vertical cross-section, processes a circle arc anchor ring, obtains prefabricated base structure；
4. processing depth and remaining conical surface equal length using taper hole tip as matrix to process the process of escape Escape 2, obtain needed for steel matrix 1；
3) it pre-processes
1. by the stage 2) obtain steel matrix 1 use the stage 1) step 2. prepare film layer coating tooling protect and fix Good, using the stage 1) the solid synovial membrane coating material that 2. prepares of step is raw material, using laser cladding equipment to the stage 2) step 3. the arc anchor ring obtained carries out the processing of coating produced by laser cladding solid synovial membrane, solidify the solid of a layer thickness 0.2mm on arc anchor ring Stratum synoviale 4 obtains pretreatment steel matrix 1；
4) closing in jacket
1. by the stage 1) step 1. prepare ball rod 3, the stage 3) obtain pretreatment steel matrix 1, the stage 1) step is 2. The tubular seaming tool 5 of preparation is coaxial fixed from top to bottom, using the stage 1) hydraulic device that 3. prepares of step be continuously applied it is vertical Vertical compression clamp force obtains closing in jacket joint of steel structure until ball rod 3, pretreatment steel matrix 1 are moved to and close up and fix completely；
2. the outer circle of 1. closing in jacket steel construction that step obtains is placed in high-frequency induction tooling, using the stage 1) step 3. the high-frequency induction device prepared carries out induction heating, until 1 deformed region of raw steel matrix is heated to the AC of Steel material3Temperature with Upper 50 DEG C, then stops heating and standing to deformation terminating, obtain stabilized steel structural joint；
1. -2. 3 time 3. repeating step, solidification joint of steel structure is obtained；
5) it post-processes
1. by the stage 4) obtain the outer circle for solidifying joint of steel structure be placed in high-frequency induction tooling, using the stage 1) step 3. the high-frequency induction device prepared carries out induction heating, until steel matrix 1 is integrally heated to the AC of Steel material3More than temperature 50 DEG C, then hardening to temperature is stablized, using the stage 1) baking oven that 3. prepares of step by the solidification joint of steel structure of hardening using 240 DEG C temperature, 3h time carry out tempering, obtain and strengthen steel construction, the reinforcing steel construction be needed for outsourcing from the steel knot to close up Structure connector.
Embodiment 2:
It is whole consistent with embodiment 1, it is in place of difference:
1) prepare before manufacture
1. raw material prepare: preparing ball rod 3, the enough iron sulfide obtained after 20Cr steel billet, 32Cr3MoV are surfaces nitrided Powder；
2) steel matrix 1 is processed
3. being located at close to taper hole face lower end away from end face in the middle cone hole face of 2. middle aperture steel construction that step obtains The position of length 2/3, using the stage 1) Probe-radius of ball rod 3 that 1. prepares of step as radius of machining, with taper hole face and end face The annulus of junction is the center of circle of vertical cross-section, processes a circle arc anchor ring, obtains prefabricated base structure；
3) it pre-processes
1. by the stage 2) obtain steel matrix 1 use the stage 1) step 2. prepare film layer coating tooling protect and fix Good, using the stage 1) the solid synovial membrane coating material that 2. prepares of step is raw material, using laser cladding equipment to the stage 2) step 3. the arc anchor ring obtained carries out the processing of coating produced by laser cladding solid synovial membrane, solidify the solid of a layer thickness 0.08mm on arc anchor ring Stratum synoviale 4 obtains pretreatment steel matrix 1；
4) closing in jacket
2. the outer circle of 1. closing in jacket steel construction that step obtains is placed in high-frequency induction tooling, using the stage 1) step 3. the high-frequency induction device prepared carries out induction heating, until 1 deformed region of raw steel matrix is heated to the AC of Steel material3Temperature with Upper 30 DEG C, then stops heating and standing to deformation terminating, obtain stabilized steel structural joint；
1. -2. 2 time 3. repeating step, solidification joint of steel structure is obtained；
5) it post-processes
1. by the stage 4) obtain the outer circle for solidifying joint of steel structure be placed in high-frequency induction tooling, using the stage 1) step 3. the high-frequency induction device prepared carries out induction heating, until steel matrix 1 is integrally heated to the AC of Steel material3More than temperature 30 DEG C, then hardening to temperature is stablized, using the stage 1) baking oven that 3. prepares of step by the solidification joint of steel structure of hardening using 200 DEG C temperature, 2h time carry out tempering, obtain and strengthen steel construction, the reinforcing steel construction be needed for outsourcing from the steel knot to close up Structure connector.
Embodiment 3:
It is whole consistent with embodiment 1, it is in place of difference:
1) prepare before manufacture
1. raw material prepare: preparing 30CrMnSi steel billet, obtained after 12CrNi3 case-carbonizing, quenching and lonneal Ball rod 3, enough molybdenum disulfide powders；
The foregoing description of the disclosed embodiments, only for can be realized professional and technical personnel in the field or use this Invention.Various modifications to these embodiments will be readily apparent to those skilled in the art, institute herein The General Principle of definition can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, The present invention will not be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty The consistent widest scope of point.

Claims (5)

1. a kind of manufacturing method for the joint of steel structure that outsourcing is closed up certainly, it is characterised in that the following steps are included:
1) prepare before manufacture
1. raw material prepare: prepare phosphorus content not higher than 0.3% steel billet, spherical surface hardness not less than 50HRC ball rod (3), Sufficient solid synovial membrane coating material；
2. tooling prepare: prepare with final design base steel shape be adapted upper end opening and opening by outside and in be provided with Respectively it is in the tubular seaming tool (5) on 30 °, 20 ° and 10 ° inclined-planes with axis, prepares to be adapted with final design steel matrix outer circle High-frequency induction tooling, the adaptable film layer of preparation and final design steel matrix Inner arc coat tooling；
3. equipment prepares: preparing laser cladding equipment, hydraulic device, baking oven, high-frequency induction device；
2) steel matrix (1) is processed
1. by the stage 1) steel billet that 1. prepares of step is processed into lower end cylinder upper end inversed conical drum and the conical surface is relative to axis gradient 30 ° of two-part structure is initial steel construction；
2. basic point is in the initial steel construction upper surface center 1. obtained using step, burr-drill hole, taper hole top angle are vertically downward 60 °, when horizontal plane locating for hole pointed drill to lower end cylindrical surface top, stops, aperture steel construction in acquisition；
3. being located at close to taper hole face lower end away from end face length in the middle cone hole face of 2. middle aperture steel construction that step obtains Position, using the stage 1) Probe-radius of ball rod (3) that 1. prepares of step as radius of machining, with taper hole face and end The annulus of face junction is the center of circle of vertical cross-section, processes a circle arc anchor ring, obtains prefabricated base structure；
4. processing moving back for depth and remaining conical surface equal length using taper hole tip as matrix to process the process of escape Cutter groove (2), steel matrix (1) needed for obtaining；
3) it pre-processes
1. by the stage 2) obtain steel matrix (1) use the stage 1) step 2. prepare film layer coating tooling protect and fix, Using the stage 1) the solid synovial membrane coating material that 2. prepares of step is raw material, using laser cladding equipment to the stage 2) 3. step obtains The arc anchor ring obtained carries out the processing of coating produced by laser cladding solid synovial membrane, solidifies consolidating for a layer thickness 0.08mm-0.2mm on arc anchor ring Body stratum synoviale (4) obtains pretreatment steel matrix (1)；
4) closing in jacket
1. by the stage 1) step 1. prepare ball rod (3), the stage 3) obtain pretreatment steel matrix (1), the stage 1) step is 2. The tubular seaming tool (5) of preparation is coaxial fixed from top to bottom, using the stage 1) hydraulic device that 3. prepares of step is continuously applied Vertical compressive force closes up completely and fixes until ball rod (3), pretreatment steel matrix (1) are moved to, obtains closing in jacket steel construction Connector；
2. the outer circle of 1. closing in jacket steel construction that step obtains being placed in high-frequency induction tooling, using the stage 1) step is 3. quasi- Standby high-frequency induction device carries out induction heating, until raw steel matrix (1) deformed region is heated to the AC of Steel material3It is more than temperature 30 DEG C -50 DEG C, then stops heating and standing to deformation terminating, obtain stabilized steel structural joint；
3. repeating step 1. -2. 2 times -3 times, solidification joint of steel structure is obtained；
5) it post-processes
1. by the stage 4) outer circle for solidifying joint of steel structure that obtains is placed in high-frequency induction tooling, using the stage 1) step is 3. quasi- Standby high-frequency induction device carries out induction heating, until steel matrix (1) is integrally heated to the AC of Steel material3More than temperature 30 DEG C- 50 DEG C, then hardening to temperature is stablized, using the stage 1) baking oven that 3. prepares of step uses the solidification joint of steel structure of hardening 200 DEG C of -240 DEG C of temperature, 2h-3h time carry out tempering, obtain and strengthen steel construction, which is required outsourcing From the joint of steel structure of closing in.
2. the manufacturing method for the joint of steel structure that outsourcing according to claim 1 is closed up certainly, it is characterised in that: steel matrix (1) 10 are used#Steel making, ball rod (3) are quenched using GCr6 and are obtained after lonneal.
3. the manufacturing method for the joint of steel structure that outsourcing according to claim 1 is closed up certainly, it is characterised in that: steel matrix (1) it is manufactured using 20Cr, ball rod (3) is using the surfaces nitrided rear acquisition of 32Cr3MoV.
4. the manufacturing method for the joint of steel structure that outsourcing according to claim 1 is closed up certainly, it is characterised in that: steel matrix (1) it is manufactured using 30CrMnSi, ball rod (3) obtains after using 12CrNi3 case-carbonizing, quenching and lonneal.
5. the manufacturing method for the joint of steel structure that outsourcing according to claim 1 is closed up certainly, it is characterised in that: solid synovial membrane Coating material is silver, iron sulfide, any one in molybdenum disulfide.
CN201811378421.2A 2018-11-19 2018-11-19 Steel structure joint with self-closing outer coating and manufacturing method thereof Active CN109281924B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110693546A (en) * 2019-09-11 2020-01-17 丁起武 Bulb pressure locking device and medical support with same

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61112813A (en) * 1984-11-07 1986-05-30 Musashi Seimitsu Kogyo Kk Preparation of aperture upset ball joint
CN1352581A (en) * 2000-03-29 2002-06-05 株式会社索密克石川 Method for producing casing of ball joint
WO2003106851A1 (en) * 2002-06-17 2003-12-24 ZF Lemförder Metallwaren AG Two-piece bearing shell for a moulded balljoint
CN101415960A (en) * 2006-04-04 2009-04-22 Zf腓特烈港股份公司 Radial joint, and method for the production of such a radial joint for a motor vehicle
CN102753847A (en) * 2010-02-16 2012-10-24 日本发条株式会社 Ball joint apparatus
CN103052516A (en) * 2010-08-23 2013-04-17 日本发条株式会社 Stabilizer link and production method for same
CN103143891A (en) * 2013-03-06 2013-06-12 北京工业大学 Assembly tool and assembly method for piston shoe assembly for water hydraulic piston pump
CN104114882A (en) * 2012-02-16 2014-10-22 日本发条株式会社 Stabilizer link and manufacturing method therefor
CN104948572A (en) * 2015-06-17 2015-09-30 哈尔滨工业大学 Joint ball bearing and processing method thereof
CN107250578A (en) * 2014-12-03 2017-10-13 费德罗-莫格尔汽车配件有限责任公司 Globe joint component
CN108700105A (en) * 2016-02-18 2018-10-23 Zf腓特烈斯哈芬股份公司 ball-and-socket joint

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61112813A (en) * 1984-11-07 1986-05-30 Musashi Seimitsu Kogyo Kk Preparation of aperture upset ball joint
CN1352581A (en) * 2000-03-29 2002-06-05 株式会社索密克石川 Method for producing casing of ball joint
WO2003106851A1 (en) * 2002-06-17 2003-12-24 ZF Lemförder Metallwaren AG Two-piece bearing shell for a moulded balljoint
CN101415960A (en) * 2006-04-04 2009-04-22 Zf腓特烈港股份公司 Radial joint, and method for the production of such a radial joint for a motor vehicle
CN102753847A (en) * 2010-02-16 2012-10-24 日本发条株式会社 Ball joint apparatus
CN103052516A (en) * 2010-08-23 2013-04-17 日本发条株式会社 Stabilizer link and production method for same
CN104114882A (en) * 2012-02-16 2014-10-22 日本发条株式会社 Stabilizer link and manufacturing method therefor
CN103143891A (en) * 2013-03-06 2013-06-12 北京工业大学 Assembly tool and assembly method for piston shoe assembly for water hydraulic piston pump
CN107250578A (en) * 2014-12-03 2017-10-13 费德罗-莫格尔汽车配件有限责任公司 Globe joint component
CN104948572A (en) * 2015-06-17 2015-09-30 哈尔滨工业大学 Joint ball bearing and processing method thereof
CN108700105A (en) * 2016-02-18 2018-10-23 Zf腓特烈斯哈芬股份公司 ball-and-socket joint

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110693546A (en) * 2019-09-11 2020-01-17 丁起武 Bulb pressure locking device and medical support with same
CN110693546B (en) * 2019-09-11 2023-07-21 丁起武 Ball head pressure locking device and medical bracket with same

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