CN105464508A - Steel wire rope breaking-preventing device for garage door - Google Patents
Steel wire rope breaking-preventing device for garage door Download PDFInfo
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- CN105464508A CN105464508A CN201510814595.9A CN201510814595A CN105464508A CN 105464508 A CN105464508 A CN 105464508A CN 201510814595 A CN201510814595 A CN 201510814595A CN 105464508 A CN105464508 A CN 105464508A
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- blade
- wire rope
- powder
- garage door
- steel wire
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 32
- 239000010959 steel Substances 0.000 title claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 58
- 239000004952 Polyamide Substances 0.000 claims abstract description 34
- 229920002647 polyamide Polymers 0.000 claims abstract description 34
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- -1 rare earth fluoride Chemical class 0.000 claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 43
- 238000002156 mixing Methods 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 30
- 229910052799 carbon Inorganic materials 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 24
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 16
- 239000011572 manganese Substances 0.000 claims description 15
- 239000010936 titanium Substances 0.000 claims description 15
- 238000010791 quenching Methods 0.000 claims description 14
- 230000000171 quenching effect Effects 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 13
- 229910052750 molybdenum Inorganic materials 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- 229910052720 vanadium Inorganic materials 0.000 claims description 13
- 229910052748 manganese Inorganic materials 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 235000019628 coolness Nutrition 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 150000002910 rare earth metals Chemical class 0.000 claims description 7
- 238000005496 tempering Methods 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910000616 Ferromanganese Inorganic materials 0.000 claims description 3
- 229910000863 Ferronickel Inorganic materials 0.000 claims description 3
- 108010038629 Molybdoferredoxin Proteins 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- HBELESVMOSDEOV-UHFFFAOYSA-N [Fe].[Mo] Chemical compound [Fe].[Mo] HBELESVMOSDEOV-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 3
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical compound [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 230000008707 rearrangement Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention provides a steel wire rope breaking-preventing device for a garage door, and belongs to the technical field of machines. The problem that when a steel wire rope of an existing garage door is broken, vehicles or people can be smashed is solved. The steel wire rope breaking-preventing device for the garage door comprises an installing plate and a base which are connected in a hinged manner. A fixing plate is arranged on the base and provided with a blade located on the outer side of the base. A rotating shaft is provided with a torsional spring, one end of the torsional spring abuts against the installing plate, and the other end of the torsional spring abuts against the fixing plate. A positioning bolt is arranged on the base and provided with a through hole penetrating the positioning bolt in the axial direction. The blade comprises, by weight percent, 0.5-1.2% of C, 2.0-4.0% of Cr, 0.5-1.2% of Ni, 0.3-0.8% of Mo, 0.3-1.2% of Mn, 0.3-0.8% of Ti, 0.05-0.3% of V, 0.5-3.5% of Cu, 1.2-1.6% of rare earth fluoride, 0.1-3.0% of polyamide wax flake powder and the balance iron powder. The steel wire rope breaking-preventing device has the advantages of being simple in structure and high in safety.
Description
Technical field
The invention belongs to field of mechanical technique, particularly a kind of Anti-breakage device of steel wire rope for garage door.
Background technology
Existing garage door is mostly in " Γ " or " 1 " shape, polylith plank is had to be assembled by hinge, adopt the form that motor haulage cable pulls simultaneously, make to be arranged on the guide wheel on plank realizes garage door opening and closing along the slide rail slip of garage door both sides, and in actual applications, due to the heavier-weight of plank, in long-time use procedure, wire rope is easily worn, wire rope is caused to disconnect, thus make garage door lose the draw of wire rope, directly fall down and pound vehicle or people, there is certain potential safety hazard.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose the Anti-breakage device of steel wire rope for garage door that a kind of structure is simple, safety is high.
Object of the present invention realizes by following technical proposal: a kind of Anti-breakage device of steel wire rope for garage door, it is characterized in that, comprise the installing plate and pedestal that are articulated and connected by rotating shaft, pedestal is provided with fixed head, fixed head is provided with blade and blade is positioned at outside pedestal, rotating shaft is provided with torsion spring, one end is against on a mounting board, the other end is resisted against on fixed head, pedestal is provided with positioning bolt, positioning bolt offers the through hole of axially through positioning bolt, the composition of described blade material is by weight percentage: C:0.5-1.2%, Cr:2.0-4.0%, Ni:0.5-1.2%, Mo:0.3-0.8%, Mn:0.3-1.2%, Ti:0.3-0.8%, V:0.05-0.3%, Cu:0.5-3.5%, rare earth fluoride: 1.2-1.6%, polyamide wax flakelike powder: 0.1-3.0%, surplus is iron powder.
Blade is made by selecting the rational material of compatibility, and its combination property is better, and especially excellent in mechanical performance, further increases service efficiency and the application life of whole testing equipment.In blade material, add rare earth fluoride, can refining, desulfurization, in and the effect of low melting point objectionable impurities, and improve blade drawing abillity.When copper, nickel, molybdenum, manganese, vanadium, titanium alloy and rare earth fluoride acting in conjunction time, the physical and chemical performance of blade material can be increased substantially, and improve room temperature and the high-temperature mechanical property of material.Meanwhile, in blade material, add appropriate polyamide wax flakelike powder make sliding agent, significantly improve drawing abillity.
Above-mentioned in the Anti-breakage device of steel wire rope of garage door, the composition of described blade material is by weight percentage: C:0.6-1.0%, Cr:2.8-3.6%, Ni:0.6-1.0%, Mo:0.4-0.6%, Mn:0.5-0.8%, Ti:0.4-0.6%, V:0.1-0.2%, Cu:0.8-2.5%, rare earth fluoride: 1.2-1.5%, polyamide wax flakelike powder: 0.5-2.5%, surplus is iron powder.
Above-mentioned in the Anti-breakage device of steel wire rope of garage door, the particle diameter of described iron powder is 20-80 μm.
Within the scope of this, iron powder particle diameter reduces the mobility of powder is increased, if the particle diameter of iron powder is too small, the mobility of powder reduces rapidly, its reason be due to particle little to a certain extent time, its specific area increases sharply, frictional force between particle sharply increases, causing powder flowing freely the resistance increase be subject in process, reducing its mobility, and then affecting the mechanical property of blade material.And the hole of the particle diameter of particle on the green compact after compacting has impact, under close compacting dynamics, if grain diameter is excessive, pore-size is comparatively large, and hole quantity is relatively little, and the distribution of hole is just more uneven.
In the scope of this particle diameter, under identical pressing pressure condition, the powder that its compressibilty of powder that particle diameter is large is less than particle diameter is good, its reason is, pressure suffered on the powder particle that particle diameter is large is large, is more conducive to the slippage of particle, rearrangement and distortion, and the large specific area of particle diameter is less than the particle of particle diameter, its frictional force is also relatively little, therefore by the size controlling of iron powder of the present invention between 20-80 μm.Further preferably, the particle diameter of iron powder is 40-80 μm.
Above-mentioned in the Anti-breakage device of steel wire rope of garage door, the average grain diameter of described polyamide wax flakelike powder is 30-200 μm, and thickness is 5-25 μm.
Above-mentioned in the Anti-breakage device of steel wire rope of garage door, the processing method of blade comprises the steps:
The raw material of A, configuration blade material, by other material powder batch mixings outside fluorinated rare earth and polyamide wax flakelike powder, mixing time 25-60min, adding percentage by weight while batch mixing is 1.2-1.6% rare earth fluoride, then to add percentage by weight be that the polyamide wax flakelike powder of 0.1-3.0% is as sliding agent;
B, powder good for batch mixing is pressed into razor blade stock under 600-660Mpa;
C, by razor blade stock first pre-burning 2-3 hour at 600-630 DEG C, then sinter 30-80min at 1100-1200 DEG C, be then cooled to 500-530 DEG C;
D, the razor blade stock of sinter molding sent in heat-treatment furnace be heated to 800-860 DEG C, and be incubated 50-100min; Then be cooled to 360-420 DEG C with quenching oil, be then heated to 550-580 DEG C and be incubated 30-100min;
E, the razor blade stock after quenching to be sent in tempering furnace and be heated to 260-300 DEG C, insulation 30-60min, natural air cooling, is then heated to 520-550 DEG C and is incubated 30-80min, cools to less than 300 DEG C air coolings of coming out of the stove with the furnace to room temperature, obtains finished blade.
Along with the increase of pressure, green density increases, and at pressing pressure lower than under 600MPa, the increase of pressure makes green density increase sharply, and every 100MPa pressure makes green density amplification be about 0.59g/cm
3, when its reason is that pressing pressure is less, powder mainly carries out slippage, rearrangement and part plastic strain in pressing process; Though now plastic strain amplitude is large, the work hardening effect that particle produces is less, so the density of pressed compact significantly increases.When pressing pressure is greater than 680MPa, along with the increase of pressure, green density variation tendency slows down.Therefore, blade of the present invention is compressing under 600-660Mpa.Further preferably, compressing pressure is 620-650Mpa.
Above-mentioned in the Anti-breakage device of steel wire rope of garage door, when steps A configures the material powder of blade material, C adds with the form of graphite, Cu adds with electrolytic copper powder or FeCu alloy form, Cr take chrome content as high carbon ferro-chrome or the low-carbon ferrochromium of 20-70% or adds with pure Cr powder, Ni is that the ferronickel of 20-60% adds with nickel content, Mo adds with the molybdenum-iron being 20-70% containing molybdenum amount, Mn take manganese content as the ferromanganese of 35-85%, the form of pure manganese powder adds, the vanadium iron that V is 40% with vanadium content adds, Ti adds with the titaniferous amount ferrotianium that is 20-60% or pure titanium valve.
Above-mentioned in the Anti-breakage device of steel wire rope of garage door, also phosphorating treatment is comprised after the temper of step e, be 160-190 DEG C by blade at showing tremendous enthusiasm closure temperature at normal temperatures, employing PH is the surface conditioner process 1min of 8, after dripping empty 1-2min, adopts bonderite process 12-16min, again after dripping empty 1-2min, adopt clean water 1-2min, after dripping empty 1-2min, hot water blade being placed in 90-120 DEG C processes 0.8-1.6min.
Above-mentioned in the Anti-breakage device of steel wire rope of garage door, installing plate is straight tabular and turns down straight up in installing plate both sides and is formed with two symmetrically arranged connecting portions, pedestal is ㄇ shape and turns down by baseplate part and baseplate part both sides the articulated section formed straight up and forms, connecting portion is between two articulated sections and be articulated and connected by rotating shaft between connecting portion and articulated section, and positioning bolt is installed on pedestal wherein on a junction.
Above-mentioned in the Anti-breakage device of steel wire rope of garage door, installing plate is long plate shape and has vertically been bent to form fixed part downwards on installing plate wherein a long sidewall, fixed part offers the fastener hole that passes for screw and fixed part and blade are in the same side of pedestal.
Above-mentioned in the Anti-breakage device of steel wire rope of garage door, installing plate connecting portion has extended to form stop part straight up, and fixed head can be resisted against on stop part when pedestal rotates.
Compared with prior art, the present invention has the following advantages:
1, in pedestal side, blade is installed, when wire cable rupture, pedestal resets under the effect of torsion spring, now blade also rotates thereupon and collides with guide rail, and when blade and guide rail collide, energy clamp are on guide rail, produce a barrier force by blade clamp on guide rail, thus the garage door making to lose rope traction can not slide downward out of control, thus ensure that garage door is under the emergency case of wire cable rupture, can not glide suddenly and pound vehicle or people, safety factor is high.
2, blade adopts the rational raw material of compatibility, insert rare earth fluoride in the feed, combination property that polyamide wax improves material, and processed by the method for powder metallurgy, make the good combination property of blade, especially stronger physical property, mechanical property, especially have higher hardness, intensity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is side-looking structural representation of the present invention.
Fig. 3 is the structural representation at another visual angle of the present invention.
Fig. 4 is perspective view of the present invention.
Fig. 5 is the perspective view at another visual angle of the present invention
In figure, 1, installing plate; 11, connecting portion; 11a, stop part; 12, fixed part; 13, butting section; 2, pedestal; 21, baseplate part; 22, articulated section; 23, breach; 3, fixed head; 31, stator; 31a, flat board; 32a, riser; 4, blade; 5, rotating shaft; 6, torsion spring; 7, positioning bolt; 71, through hole; 72, guide groove; 8, positioning tube; 81, projection; 9, nut; 10, prerotation vane; 10a, deep-slotted chip breaker.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figures 1 to 5, this Anti-breakage device of steel wire rope being used for garage door comprises installing plate 1 and pedestal 2, installing plate 1 is in straight tabular and turn down straight up in installing plate 1 both sides and be formed with two symmetrically arranged connecting portions 11, pedestal 2 is in ㄇ shape and turn down by baseplate part 21 and baseplate part 21 both sides the articulated section 22 formed straight up and form, connecting portion 11 is between two articulated sections 22 and be articulated and connected by rotating shaft 5 between connecting portion 11 and articulated section 22, fixed head 3 is installed on the base 2, fixed head 3 is provided with blade 4 and blade 4 is positioned at outside pedestal 2, rotating shaft 5 is provided with torsion spring 6, torsion spring 6 one end is resisted against on installing plate 1, the other end is resisted against on fixed head 3, pedestal 2 wherein an articulated section 22 are provided with positioning bolt 7, positioning bolt 7 offers the through hole 71 of axially through positioning bolt 7.
This Anti-breakage device of steel wire rope is primary for garage door, and garage door generally has polylith door-plate to slap together, and this Anti-breakage device of steel wire rope is installed on garage door door-plate bottom.During use, installing plate 1 is connected with the door-plate of garage door, wire rope one end is passed the through hole 71 of positioning bolt 7 and is connected with positioning bolt 7, the other end is connected with traction electric machine, under the effect of traction electric machine, wire rope is tightened and is applied a pulling force to pedestal 2, thus pedestal 25 is turned an angle around the shaft, blade 4 is maintained a certain distance in installing plate 1, simultaneously also be arranged on garage door side and maintain a certain distance for guiding the guide rail of garage door movement, now garage door can move smoothly under the effect of traction electric machine.When wire cable rupture, pedestal 2 resets under the effect of torsion spring 6, now blade 4 also rotates thereupon and collides with guide rail, because blade 4 is sharp-pointed, blade 4 and guide rail collide can clamp on guide rail, on guide rail, produce a barrier force by blade 4 clamp, thus the garage door making to lose rope traction can not slide downward out of control, thus ensure that garage door is under the emergency case of wire cable rupture, can not glide suddenly and pound vehicle or people, safety factor is high.
Further, pedestal 2 articulated section 22 side is fixed with a positioning tube 8, and positioning bolt 7 is arranged in positioning tube 8, is provided with two nuts 9 and the external diameter of nut 9 is greater than the barrel dliameter of positioning tube 8 in positioning bolt 7 one end.One end due to wire rope needs to be connected on positioning bolt 7, together with traction electric machine, stretching for wire rope being in is tightened stressed state by positioning bolt 7, by positioning bolt 7 is arranged in positioning tube 8, for the one end of the wire rope that is connected, two nuts 9 are installed at positioning bolt 7 simultaneously, when precession or when screwing out nut 9, adjustable positioning bolt 7 is mobile in positioning tube 8, thus the tensioner degree of adjustment wire rope, the object of simultaneously installing two nuts 9 on positioning bolt 7 is when positioning bolt 7 is stressed, avoid producing relative movement between positioning bolt 7 and nut 9 and making the situation that wire rope is relaxed, ensure that stability when garage door is elevated.
Further, positioning bolt 7 outer wall offers a guide groove 72, positioning tube 8 outer wall caves inward is formed with projection 81, and projection 81 is positioned at guide groove 72.Projection 81 on positioning tube 8 matches with the guide groove 72 on positioning bolt 7, not only facilitate positioning bolt 7 mobile in positioning tube 8, convenient adjustment is connected in the tensioner degree of the wire rope on positioning bolt 7, but also the circumference that can limit positioning bolt 7 is rotated, positioning bolt 7 only can be axially moved in positioning tube 8, thus avoid garage door in lifting process, wire rope distortion is caused to cause garage door to be elevated unstable situation because positioning bolt 7 rotates in positioning tube 8, it also avoid wire rope excessively to tighten due to distortion and situation about rupturing, improve safety when this anti-off device is applied on garage door and stability.
Further, be provided with prerotation vane 10 below positioning tube 8, the welding of the prerotation vane 10 curved and side of prerotation vane 10 indent is fixedly arranged on the side of pedestal 2 articulated section 22, and the side of prerotation vane 10 evagination offers deep-slotted chip breaker 10a.One end of wire rope is fixed on positioning bolt 7, the other end is through after the through hole 71 on positioning bolt 7, along the deep-slotted chip breaker 10a on prerotation vane 10 after installing plate 1, prerotation vane 10 is arranged to arc and is adjacent to be welded on the side of pedestal 2 articulated section 22, prerotation vane 10 is not only made firmly to be connected with pedestal 2, simultaneously can also the trend of guiding steel wire rope, prevent from the end face of wire rope and pedestal 2 or installing plate 1 from producing rubbing causing the impaired situation about even rupturing of wire rope.
Further, installing plate 1 is in long plate shape and be vertically bent to form fixed part 12 downwards on installing plate 1 wherein a long sidewall, fixed part 12 offers the fastener hole that passes for screw and fixed part 12 and blade 4 are in the same side of pedestal 2.When installing plate 1 is arranged on door plank of garage gate, be held on the sidewall of door-plate by fixed part 12 on installing plate 1, thus be convenient to workman's installation, be connected fastening to installing plate 1 and door-plate through fastener hole by screw simultaneously, strengthen the steadiness of this device.
Further, on the short sidewall of rotating shaft 5, butting section 13 has vertically been bent to form at installing plate 1 downwards.When installing plate 1 is arranged on door plank of garage gate, be held on the sidewall of door-plate by butting section 13 on installing plate 1, thus be convenient to workman's installation.
Further, laterally offer a breach 23 on the base 2, and the baseplate part 21 of the through pedestal 2 of this breach 23 extend on the articulated section 22 of pedestal 2, fixed head 3 is made up of two stators 31, stator 31 is made up of the dull and stereotyped 31a at right angles arranged and riser 32a, the riser 32a of two stators 31 is affixed merging and is positioned at breach 23, the dull and stereotyped 31a of two stators 31 is fixedly arranged on the baseplate part 21 of pedestal 2, and above-mentioned blade 4 is fixedly arranged on dull and stereotyped 31a and the blade face of blade 4 towards installing plate 1 by bolt.Stator 31 is fastened breach 23 place at pedestal 2, the volume of this device can not only be reduced, be convenient to the installation of this device, fixed head 3 is made up of two stators 31 simultaneously, the dull and stereotyped 31a of two stators 31 is all adjacent to and is fixedly arranged on the baseplate part 21 of pedestal 2, blade 4 is also fixed on fixed head 3 by the riser 32a of bolt-through two stator 31, make blade 4 can not be excessive and cause the situation that blade 4 loosens due to impact when colliding with guide rail, to ensure that when wire cable rupture blade 4 to be embedded in guide rail and the trend that garage door is stopped gliding, good stability, the blade face of blade 4 is towards installing plate 1 simultaneously, can better be embedded in guide rail when making blade 4 be that guide rail collides.
Further, installing plate 1 connecting portion 11 has extended to form stop part 11a straight up, and the riser 32a when pedestal 2 rotates on stator 31 can be resisted against on stop part 11a.Because stator 31 is fixedly connected with pedestal 2, when pedestal 2 rotates, stator 31 also rotates thereupon, the object that stop part 11a is set be when wire rope is stressed draw pedestal 2 to rotate time, pedestal 2 can be avoided to rotate by stop part 11a excessive, thus play the object of restriction pedestal 2 rotational angle, strengthen the stability of this anti-off device.
Below by specific embodiment, blade 4 is described further.
Embodiment 1
Configuration blade 4 raw material of material: C:0.8%, Cr:3.2%, Ni:0.8%, Mo:0.5%, Mn:0.6%, Ti:0.5%, V:0.15%, Cu:1.5%, rare earth fluoride: 1.3%, polyamide wax flakelike powder: 1.6%, surplus is iron powder; The particle diameter of described iron powder is 50 μm; The average grain diameter of described polyamide wax flakelike powder major diameter is 150 μm, and thickness is 15 μm;
By other material powder batch mixings outside fluorinated rare earth and polyamide wax flakelike powder, mixing time 40min, adding percentage by weight while batch mixing is 1.3% rare earth fluoride, then add percentage by weight be the polyamide wax flakelike powder of 1.6% as sliding agent, can mill ball be added during batch mixing;
Powder good for batch mixing is pressed into razor blade stock under 620Mpa;
By razor blade stock first pre-burning 2 hours at 620 DEG C, then sinter 60min at 1150 DEG C, be then cooled to 510 DEG C;
The razor blade stock of sinter molding is sent in heat-treatment furnace and is heated to 830 DEG C, and be incubated 60min; Then be cooled to 380 DEG C with quenching oil, be then heated to 560 DEG C and be incubated 70min;
Razor blade stock after quenching sent in tempering furnace and be heated to 280 DEG C, insulation 50min, natural air cooling, is then heated to 530 DEG C and is incubated 50min, cools to less than 300 DEG C air coolings of coming out of the stove with the furnace to room temperature, obtains finished blade.
Embodiment 2
Configuration blade 4 raw material of material: C:0.6%, Cr:3.6%, Ni:0.6%, Mo:0.6%, Mn:0.5%, Ti:0.6%, V:0.1%, Cu:2.5%, rare earth fluoride: 1.2%, polyamide wax flakelike powder: 2.5%, surplus is iron powder; The particle diameter of described iron powder is 60 μm; The average grain diameter of described polyamide wax flakelike powder major diameter is 120 μm, and thickness is 18 μm;
By other material powder batch mixings outside fluorinated rare earth and polyamide wax flakelike powder, mixing time 50min, adding percentage by weight while batch mixing is 1.2% rare earth fluoride, then add percentage by weight be the polyamide wax flakelike powder of 2.5% as sliding agent, can mill ball be added during batch mixing;
Powder good for batch mixing is pressed into razor blade stock under 640Mpa;
By razor blade stock first pre-burning 2 hours at 610 DEG C, then sinter 350min at 1130 DEG C, be then cooled to 520 DEG C;
The razor blade stock of sinter molding is sent in heat-treatment furnace and is heated to 850 DEG C, and be incubated 80min; Then be cooled to 400 DEG C with quenching oil, be then heated to 570 DEG C and be incubated 80min;
Razor blade stock after quenching sent in tempering furnace and be heated to 270 DEG C, insulation 40min, natural air cooling, is then heated to 540 DEG C and is incubated 60min, cools to less than 300 DEG C air coolings of coming out of the stove with the furnace to room temperature;
Blade after temper is carried out phosphorating treatment, be 190 DEG C by blade at showing tremendous enthusiasm closure temperature at normal temperatures, employing PH is the surface conditioner process 1min of 8, after dripping empty 1min, adopt bonderite process 16min, then after dripping empty 1min, adopt clean water 2min, dripping after empty 1min, hot water blade being placed in 120 DEG C processes 0.8min and can obtain finished blade.
Embodiment 3
The raw material of configuration blade material: C:1.0%, Cr:2.8%, Ni:1.0%, Mo:0.4%, Mn:0.8%, Ti:0.4%, V:0.2%, Cu:0.8%, rare earth fluoride: 1.5%, polyamide wax flakelike powder: 0.5%, surplus is iron powder; The particle diameter of described iron powder is 70 μm; The average grain diameter of described polyamide wax flakelike powder major diameter is 80 μm, and thickness is 10 μm;
By other material powder batch mixings outside fluorinated rare earth and polyamide wax flakelike powder, mixing time 35min, adding percentage by weight while batch mixing is 1.5% rare earth fluoride, then add percentage by weight be the polyamide wax flakelike powder of 0.5% as sliding agent, can mill ball be added during batch mixing;
Powder good for batch mixing is pressed into razor blade stock under 650Mpa;
By razor blade stock first pre-burning 2 hours at 610 DEG C, then sinter 60min at 1180 DEG C, be then cooled to 520 DEG C;
The razor blade stock of sinter molding is sent in heat-treatment furnace and is heated to 820 DEG C, and be incubated 60min; Then be cooled to 370 DEG C with quenching oil, be then heated to 570 DEG C and be incubated 50min;
Razor blade stock after quenching sent in tempering furnace and be heated to 290 DEG C, insulation 50min, natural air cooling, is then heated to 540 DEG C and is incubated 60min, cools to less than 300 DEG C air coolings of coming out of the stove with the furnace to room temperature, obtains blade;
Be 180 DEG C by the blade after air cooling at showing tremendous enthusiasm closure temperature at normal temperatures, employing PH is the surface conditioner process 1min of 8, after dripping empty 1min, adopt bonderite process 15min, again after dripping empty 1min, adopt clean water 1min, after dripping empty 1min, hot water blade being placed in 100 DEG C processes 1.2min, final finished blade.
Embodiment 4
Configuration blade 4 raw material of material: C:0.5%, Cr:4.0%, Ni:0.5%, Mo:0.8%, Mn:0.3%, Ti:0.8%, V:0.05%, Cu:3.5%, rare earth fluoride: 1.2%, polyamide wax flakelike powder: 3.0%, surplus is iron powder; The particle diameter of described iron powder is 80 μm; The average grain diameter of described polyamide wax flakelike powder major diameter is 30 μm, and thickness is 5 μm;
By other material powder batch mixings outside fluorinated rare earth and polyamide wax flakelike powder, mixing time 25min, adding percentage by weight while batch mixing is 1.2% rare earth fluoride, then add percentage by weight be the polyamide wax flakelike powder of 3.0% as sliding agent, can mill ball be added during batch mixing;
Powder good for batch mixing is pressed into razor blade stock under 600Mpa;
By razor blade stock first pre-burning 2 hours at 600 DEG C, then sinter 30min at 1100 DEG C, be then cooled to 500 DEG C;
The razor blade stock of sinter molding is sent in heat-treatment furnace and is heated to 800 DEG C, and be incubated 50min; Then be cooled to 360 DEG C with quenching oil, be then heated to 550 DEG C and be incubated 30min;
Razor blade stock after quenching sent in tempering furnace and be heated to 260 DEG C, insulation 30min, natural air cooling, is then heated to 520 DEG C and is incubated 30min, cools to less than 300 DEG C air coolings of coming out of the stove with the furnace to room temperature;
Blade after temper is carried out phosphorating treatment, be 160 DEG C by blade at showing tremendous enthusiasm closure temperature at normal temperatures, employing PH is the surface conditioner process 1min of 8, after dripping empty 2min, adopt bonderite process 12min, then after dripping empty 2min, adopt clean water 1min, dripping after empty 2min, hot water blade being placed in 90 DEG C processes 1.6min and can obtain finished blade.
Embodiment 5
Configuration blade 4 raw material of material: C:1.2%, Cr:2.0%, Ni:1.2%, Mo:0.3%, Mn:1.2%, Ti:0.3%, V:0.3%, Cu:0.5%, rare earth fluoride: 1.6%, polyamide wax flakelike powder: 0.1%, surplus is iron powder; The particle diameter of described iron powder is 20 μm; The average grain diameter of described polyamide wax flakelike powder major diameter is 200 μm, and thickness is 25 μm;
By other material powder batch mixings outside fluorinated rare earth and polyamide wax flakelike powder, mixing time 60min, adding percentage by weight while batch mixing is 1.6% rare earth fluoride, then add percentage by weight be the polyamide wax flakelike powder of 0.1% as sliding agent, can mill ball be added during batch mixing;
Powder good for batch mixing is pressed into razor blade stock under 660Mpa;
By razor blade stock first pre-burning 2 hours at 630 DEG C, then sinter 80min at 1200 DEG C, be then cooled to 530 DEG C;
The razor blade stock of sinter molding is sent in heat-treatment furnace and is heated to 860 DEG C, and be incubated 100min; Then be cooled to 420 DEG C with quenching oil, be then heated to 580 DEG C and be incubated 100min;
Razor blade stock after quenching sent in tempering furnace and be heated to 300 DEG C, insulation 60min, natural air cooling, is then heated to 550 DEG C and is incubated 80min, cools to less than 300 DEG C air coolings of coming out of the stove with the furnace to room temperature, obtains blade;
Be 170 DEG C by the blade after air cooling at showing tremendous enthusiasm closure temperature at normal temperatures, employing PH is the surface conditioner process 1min of 8, after dripping empty 2min, adopt bonderite process 14min, again after dripping empty 2min, adopt clean water 2min, after dripping empty 2min, hot water blade being placed in 100 DEG C processes 1.5min, final finished blade.
In above-described embodiment, agents useful for same (as surface conditioner, bonderite) is common commercially available reagent.During configuration raw material, C adds with the form of graphite, Cu adds with electrolytic copper powder or FeCu alloy form, Cr take chrome content as high carbon ferro-chrome or the low-carbon ferrochromium of 20-70% or adds with pure Cr powder, Ni is that the ferronickel of 20-60% adds with nickel content, Mo adds with the molybdenum-iron being 20-70% containing molybdenum amount, Mn take manganese content as the ferromanganese of 35-85%, the form of pure manganese powder adds, and the vanadium iron that V is 40% with vanadium content adds, and Ti adds with the titaniferous amount ferrotianium that is 20-60% or pure titanium valve.
Comparative example is the common commercially available blade by casting buied in prior art.
Blade 4 in embodiment 1-5 and comparative example is carried out Performance comparision, and comparative result is as shown in table 1.
The Performance comparision of the blade in table 1: embodiment 1-5 and comparative example
In sum, the raw material that blade 4 of the present invention adopts compatibility rational, insert rare earth fluoride in the feed, combination property that polyamide wax improves material, and processed by the method for powder metallurgy, make the good combination property of blade, especially have stronger physical property and mechanical property, and stock utilization is high, cost is lower.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (10)
1. the Anti-breakage device of steel wire rope for garage door, it is characterized in that, comprise the installing plate and pedestal that are articulated and connected by rotating shaft, pedestal is provided with fixed head, fixed head is provided with blade and blade is positioned at outside pedestal, rotating shaft is provided with torsion spring, one end is against on a mounting board, the other end is resisted against on fixed head, pedestal is provided with positioning bolt, positioning bolt offers the through hole of axially through positioning bolt, the composition of described blade material is by weight percentage: C:0.5-1.2%, Cr:2.0-4.0%, Ni:0.5-1.2%, Mo:0.3-0.8%, Mn:0.3-1.2%, Ti:0.3-0.8%, V:0.05-0.3%, Cu:0.5-3.5%, rare earth fluoride: 1.2-1.6%, polyamide wax flakelike powder: 0.1-3.0%, surplus is iron powder.
2. the Anti-breakage device of steel wire rope for garage door according to claim 1, is characterized in that, the composition of described blade material is by weight percentage: C:0.6-1.0%, Cr:2.8-3.6%, Ni:0.6-1.0%, Mo:0.4-0.6%, Mn:0.5-0.8%, Ti:0.4-0.6%, V:0.1-0.2%, Cu:0.8-2.5%, rare earth fluoride: 1.2-1.5%, polyamide wax flakelike powder: 0.5-2.5%, surplus is iron powder.
3. the Anti-breakage device of steel wire rope for garage door according to claim 2, is characterized in that, the particle diameter of described iron powder is 20-80 μm.
4. the Anti-breakage device of steel wire rope for garage door according to claim 3, is characterized in that, the average grain diameter of described polyamide wax flakelike powder is 30-200 μm, and thickness is 5-25 μm.
5. the Anti-breakage device of steel wire rope for garage door according to claim 4, is characterized in that, the processing method of blade comprises the steps:
The raw material of A, configuration blade material, by other material powder batch mixings outside fluorinated rare earth and polyamide wax flakelike powder, mixing time 25-60min, adding percentage by weight while batch mixing is 1.2-1.6% rare earth fluoride, then to add percentage by weight be that the polyamide wax flakelike powder of 0.1-3.0% is as sliding agent;
B, powder good for batch mixing is pressed into razor blade stock under 600-660Mpa;
C, by razor blade stock first pre-burning 2-3 hour at 600-630 DEG C, then sinter 30-80min at 1100-1200 DEG C, be then cooled to 500-530 DEG C;
D, the razor blade stock of sinter molding sent in heat-treatment furnace be heated to 800-860 DEG C, and be incubated 50-100min; Then be cooled to 360-420 DEG C with quenching oil, be then heated to 550-580 DEG C and be incubated 30-100min;
E, the razor blade stock after quenching to be sent in tempering furnace and be heated to 260-300 DEG C, insulation 30-60min, natural air cooling, is then heated to 520-550 DEG C and is incubated 30-80min, cools to less than 300 DEG C air coolings of coming out of the stove with the furnace to room temperature, obtains finished blade.
6. the Anti-breakage device of steel wire rope for garage door according to claim 5, it is characterized in that, when steps A configures the material powder of blade material, C adds with the form of graphite, Cu adds with electrolytic copper powder or FeCu alloy form, Cr take chrome content as high carbon ferro-chrome or the low-carbon ferrochromium of 20-70% or adds with pure Cr powder, Ni is that the ferronickel of 20-60% adds with nickel content, Mo adds with the molybdenum-iron being 20-70% containing molybdenum amount, Mn take manganese content as the ferromanganese of 35-85%, the form of pure manganese powder adds, the vanadium iron that V is 40% with vanadium content adds, Ti adds with the titaniferous amount ferrotianium that is 20-60% or pure titanium valve.
7. the Anti-breakage device of steel wire rope for garage door according to claim 6, it is characterized in that, after the temper of step e, also comprise phosphorating treatment, be 160-190 DEG C by blade at showing tremendous enthusiasm closure temperature at normal temperatures, adopt PH be 8 surface conditioner process 1min, after dripping empty 1-2min, adopt bonderite process 12-16min, then after dripping empty 1-2min, adopt clean water 1-2min, after dripping empty 1-2min, hot water blade being placed in 90-120 DEG C processes 0.8-1.6min.
8. the Anti-breakage device of steel wire rope for garage door according to claim 1, it is characterized in that, installing plate is straight tabular and turns down straight up in installing plate both sides and is formed with two symmetrically arranged connecting portions, pedestal is ㄇ shape and turns down by baseplate part and baseplate part both sides the articulated section formed straight up and forms, connecting portion is between two articulated sections and be articulated and connected by rotating shaft between connecting portion and articulated section, and positioning bolt is installed on pedestal wherein on a junction.
9. the Anti-breakage device of steel wire rope for garage door according to claim 8, it is characterized in that, installing plate is long plate shape and has vertically been bent to form fixed part downwards on installing plate wherein a long sidewall, fixed part offers the fastener hole that passes for screw and fixed part and blade are in the same side of pedestal.
10. the Anti-breakage device of steel wire rope for garage door according to claim 9, is characterized in that, installing plate connecting portion has extended to form stop part straight up, and fixed head can be resisted against on stop part when pedestal rotates.
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|---|---|---|---|---|
| FR2889239B1 (en) * | 2005-07-29 | 2007-10-12 | Michel Javey | COMPENSE INERTIA-TYPE DOOR AND ASSOCIATED ANTI-DAMPER DEVICE |
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| CN203285229U (en) * | 2013-05-10 | 2013-11-13 | 内蒙古包钢钢联股份有限公司 | Falling-prevention safety device of overhead door |
| CN203783440U (en) * | 2014-03-27 | 2014-08-20 | 拉斐特科技（天津）有限公司 | Breakage prevention device |
| CN104960916A (en) * | 2015-06-17 | 2015-10-07 | 宁波工程学院 | Conveying equipment for tire production |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2889239B1 (en) * | 2005-07-29 | 2007-10-12 | Michel Javey | COMPENSE INERTIA-TYPE DOOR AND ASSOCIATED ANTI-DAMPER DEVICE |
| CN203213938U (en) * | 2013-04-24 | 2013-09-25 | 宁波超亿门业有限公司 | Fixing support used for fixing roller shutter door booster |
| CN203285229U (en) * | 2013-05-10 | 2013-11-13 | 内蒙古包钢钢联股份有限公司 | Falling-prevention safety device of overhead door |
| CN203783440U (en) * | 2014-03-27 | 2014-08-20 | 拉斐特科技（天津）有限公司 | Breakage prevention device |
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