CN107237600A - Used in fire-fighting aerial ladder and motor ladder - Google Patents
Used in fire-fighting aerial ladder and motor ladder Download PDFInfo
- Publication number
- CN107237600A CN107237600A CN201710063952.1A CN201710063952A CN107237600A CN 107237600 A CN107237600 A CN 107237600A CN 201710063952 A CN201710063952 A CN 201710063952A CN 107237600 A CN107237600 A CN 107237600A
- Authority
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- China
- Prior art keywords
- main framing
- lower main
- surface portion
- rectangular tube
- fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000463 material Substances 0.000 claims description 56
- 210000000988 bone and bone Anatomy 0.000 claims description 9
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 8
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000008719 thickening Effects 0.000 claims description 7
- 230000001815 facial effect Effects 0.000 claims description 6
- 239000013585 weight reducing agent Substances 0.000 abstract description 6
- 229920005989 resin Polymers 0.000 description 10
- 239000011347 resin Substances 0.000 description 10
- 238000005452 bending Methods 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000012783 reinforcing fiber Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
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- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000010622 cold drawing Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004425 Makrolon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000011354 acetal resin Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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- 239000003822 epoxy resin Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
- E06C5/02—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members
- E06C5/04—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
A kind of used in fire-fighting aerial ladder and motor ladder are provided, stress can be avoided to be ruptured caused by concentrating, and weight reduction can be realized.The used in fire-fighting aerial ladder of the present invention, including：A pair of the upper main framing (31) of configuration in the longitudinal direction；A pair of the lower main framing (32) of configuration in the longitudinal direction；Side members (33), are configured between upper main framing (31) and lower main framing (32)；Bottom part (34), configuration is between a pair of lower main framing (32), the rectangular tube obtained using die forming constitutes lower main framing (32), in the specific part of rectangular tube, is provided with the heavy section thicker than the wall thickness of other parts.
Description
Technical field
The present invention is more particularly directed to used in fire-fighting aerial ladder and motor ladder.
Background technology
The aerial ladder of fire-fighting motor ladder is equipped on, using the sheet metal of iron material etc., by sheet metal bending machining and is led to
Cross welding forming.
But, the aerial ladder of fire-fighting motor ladder is equipped on, relative to the movable aerial ladder that fixed aerial ladder possesses multilayer, is being used
Under state, the aerial ladder as cantilever beam because it is contemplated that flexure when aerial ladder is used and need to form curved surface in the longitudinal direction in advance
(bending), so while being bar, but also requires that the bending machining precision of precision.In addition, towards aerial ladder curved surface be
It is formed by welding what is formed during the metal aggregate of aerial ladder.Therefore, it is necessary to while be surveyed to curved surface when being welded every time to part
Amount is while form, it is also desirable to the manufacture of skilled aerial ladder, it is difficult to realize the reduction of cost of manufacture.
Patent document 1 discloses constitute main framing using rectangular tube.
Prior art literature
Patent document
Patent document 1：Japanese Laid-Open 2006-118246 publications
The content of the invention
The invention technical problem to be solved
As disclosed in Patent Document 1, by using rectangular tube, although bending man-hour or Welder can be cut down
When, but in conventional common sense rectangular tube constant thickness, in the case of the constant thickness of rectangular tube, if making wall thickness
Thickening, weight can increase, and stress, which is concentrated, if making wall thickness thinning can produce rupture or deform.
Therefore, it is an object of the invention to provide a kind of used in fire-fighting aerial ladder and motor ladder, stress collection can be avoided
In caused by rupture, and weight reduction can be realized.
Scheme for solving above-mentioned technical problem
Used in fire-fighting aerial ladder of the invention described in technical scheme 1, including：A pair of the upper master of configuration in the longitudinal direction
Skeleton；A pair of the lower main framing of configuration in the longitudinal direction；Side members, configuration main framing and lower main bone on described
Between frame；Bottom part, is configured between the pair of lower main framing, and the lower main framing using die forming by being obtained
Rectangular tube is constituted, and the heavy section thicker than the wall thickness of other parts is provided with the specific part of the rectangular tube.
The present invention described in technical scheme 2, it is characterised in that in the used in fire-fighting aerial ladder described in technical scheme 1, is utilized
The rectangular tube and the lower main framing is constituted along the sheet material that the rectangular tube is configured, using along the outer surface of the sheet material
The outboard square-like pipe of configuration and the inner side rectangular tube of internal surface configurations along the sheet material constitute the rectangular tube, by the plate
Material is configured between the outboard square-like pipe and the inner side rectangular tube.
The present invention described in technical scheme 3, it is characterised in that in the used in fire-fighting described in technical scheme 1 or technical scheme 2
In aerial ladder, the rectangular tube, institute are constituted using lower main framing upper surface part, lower main framing lower surface portion and lower main framing side surface part
Lower main framing lower surface portion is stated for the heavy section.
The present invention described in technical scheme 4, it is characterised in that in the used in fire-fighting described in technical scheme 1 or technical scheme 2
In aerial ladder, the rectangular tube, institute are constituted using lower main framing upper surface part, lower main framing lower surface portion and lower main framing side surface part
It is the heavy section to state the corner part between lower main framing lower surface portion and the lower main framing side surface part.
The present invention described in technical scheme 5, it is characterised in that in the used in fire-fighting aerial ladder described in technical scheme 2, is utilized
Outside lower main framing outer upper surface portion, lower main framing outside under surface portion, the exterior side surface portion on the outside of lower main framing and lower main framing
The inner side face of side constitutes the outboard square-like pipe, the lower main framing outside under surface portion with it is interior on the outside of the lower main framing
Outboard square-like corner part between side surface part is the heavy section, on the inside of lower main framing inside upper surface portion, lower main framing
Inner side face on the inside of exterior side surface portion and lower main framing on the inside of lower surface portion, lower main framing constitutes the inner side rectangular tube, institute
The inner side square corners portion stated between the exterior side surface portion on the inside of lower main framing inside bottom surface portion and the lower main framing is described
Heavy section, the lower end of the sheet material is configured in the top in the outboard square-like corner part and the inner side square corners portion,
The lower end of the sheet material be fixedly welded on the inner side on the outside of the lower main framing it is facial with the lower main framing on the inside of it is outer
Side surface part.
The present invention described in technical scheme 6, it is characterised in that in the used in fire-fighting described in technical scheme 1 or technical scheme 2
In aerial ladder, the upper main framing is made up of the rectangular tube obtained using die forming, utilizes upper main framing upper surface part, upper main bone
Frame lower surface portion, upper main framing outer lateral side portion and upper main framing inner side surface portion constitute the rectangular tube, the upper main framing
The width of lower surface portion is bigger than the width of the upper main framing upper surface part, and the upper main framing outer lateral side portion is inclined plane,
The upper main framing inner side surface portion is vertical plane.
The present invention described in technical scheme 7, it is characterised in that in technical scheme 1, technical scheme 2 and technical scheme 5
Any one described in used in fire-fighting aerial ladder in, the wall thickness of the rectangular tube is gradually thickening in the longitudinal direction.
The present invention described in technical scheme 8, it is characterised in that in technical scheme 1, technical scheme 2 and technical scheme 5
Any one described in used in fire-fighting aerial ladder in, form the rectangular tube using fiber-reinforced plastic square tube material.
The present invention described in technical scheme 9, it is characterised in that in technical scheme 1, technical scheme 2 and technical scheme 5
Any one described in used in fire-fighting aerial ladder in, the rectangular tube is formed by processing obtained steel using drawing.
Motor ladder of the invention described in technical scheme 10, it is characterised in that carry just like appointing in technical scheme 1~9
Used in fire-fighting aerial ladder described in one.
Invention effect
According to the present invention, heavy section is set by the specific part in rectangular tube, stress can be avoided to concentrate and cause
Rupture, and by not stress concentrate and the other parts that rupture not as heavy section, thus, it is possible to realize weight drop
It is low.
Brief description of the drawings
The sectional view of state when Fig. 1 is the traveling for the motor ladder for showing one embodiment of the invention.
Fig. 2 is the sectional view of one of state when showing motor ladder work.
Fig. 3 is the front view for the aerial ladder for showing the motor ladder.
Fig. 4 is the stereogram for the part for showing the aerial ladder.
Fig. 5 is the sectional view for the lower main framing for showing the aerial ladder.
Fig. 6 is the side view for the part for showing the aerial ladder.
Fig. 7 is to show to want portion's front view from what Fig. 6 A was obtained from.
Fig. 8 is that the upper main framing and lift for showing the aerial ladder want portion's front view.
Embodiment
The used in fire-fighting aerial ladder of the 1st embodiment of the present invention, lower main framing is by the rectangular tube that is obtained using die forming
Constitute, the heavy section thicker than the wall thickness of other parts is provided with the specific part of rectangular tube.According to present embodiment, by
The specific part of rectangular tube sets heavy section, and stress can be avoided to be ruptured caused by concentrating, and stress is concentrated
, can be further by weight reduction thus, it is possible to realize weight reduction and the other parts ruptured are not as heavy section
Stress is avoided to be ruptured caused by concentrating.
The present invention the 2nd embodiment be, in the used in fire-fighting aerial ladder of the 1st embodiment, using rectangular tube and along
The sheet material of rectangular tube configuration constitutes lower main framing, using the outboard square-like pipe configured along the outer surface of sheet material and along sheet material
The inner side rectangular tube of internal surface configurations constitutes rectangular tube, by sheet material configuration between outboard square-like pipe and inner side rectangular tube.According to
Present embodiment, constitutes main framing, and sheet material is configured using multiple parts of outboard square-like pipe, inner side rectangular tube and sheet material
Between outboard square-like pipe and inner side rectangular tube, the rectangular tube part and nonoverlapping part overlapping with sheet material are thus produced, though
The right one side rectangular tube part overlapping with sheet material invalidly increases thickness, on the other hand nonoverlapping part stress concentration and
Become easily to rupture, but heavy section is set by the specific part in rectangular tube, stress can be avoided to concentrate and lead
The rupture of cause.
The 3rd embodiment of the present invention is in the used in fire-fighting aerial ladder of the 1st or the 2nd embodiment, to utilize lower main bone
Frame upper surface part, lower main framing lower surface portion and lower main framing side surface part constitute rectangular tube, and lower main framing lower surface portion is heavy wall
Portion.According to present embodiment, using lower main framing lower surface portion as heavy section, thus, it is possible to prevent from bearing the lower main framing of roller
Rupture or deformation caused by lower surface portion stress is concentrated.
The 4th embodiment of the present invention is in the used in fire-fighting aerial ladder of the 1st or the 2nd embodiment, to utilize lower main bone
Frame upper surface part, lower main framing lower surface portion and lower main framing side surface part constitute rectangular tube, lower main framing lower surface portion and lower master
Corner part between skeleton side surface part is heavy section.According to present embodiment, the lower main bone in easy stress concentration can be prevented
The rupture or deformation of corner part between frame lower surface portion and lower main framing side surface portion.
The 5th embodiment of the present invention, in the used in fire-fighting aerial ladder of the 2nd embodiment, on the outside of lower main framing
Surface element, lower main framing outside under surface portion, the facial structure of the exterior side surface portion on the outside of lower main framing and the inner side on the outside of lower main framing
Into outboard square-like pipe, the outboard square-like corner part between the face of inner side on the outside of lower main framing outside under surface portion and lower main framing
For heavy section, the exterior side surface portion on the inside of lower main framing inside upper surface portion, lower main framing inside bottom surface portion, lower main framing is utilized
Constituted with the inner side face on the inside of lower main framing outer on the inside of inner side rectangular tube, lower main framing inside bottom surface portion and lower main framing
Inner side square corners portion between side surface part is the heavy section, by the lower end configuration of sheet material in outboard square-like corner part and interior
The top of side shape corner part, the lower end of sheet material be fixedly welded on the inner side on the outside of lower main framing it is facial with the inside of lower main framing
Exterior side surface portion.According to present embodiment, because the lower end of sheet material is weldingly fixed on the top of corner part, it can avoid
In the stress concentration of corner part.
The present invention the 6th embodiment be, in the used in fire-fighting aerial ladder of the 1st or the 2nd embodiment, upper main framing by
The rectangular tube obtained using die forming is constituted, using upper main framing upper surface part, upper main framing lower surface portion, upper main framing outside
Side side surface part and upper main framing inner side surface portion constitute rectangular tube, and the width of upper main framing lower surface portion is than upper main framing upper surface
The width in portion is big, and upper main framing outer lateral side portion is inclined plane, and upper main framing inner side surface portion is vertical plane.According to this embodiment party
Formula, it is possible to increase the intensity of upper main framing, and can prevent stress from rupturing or deforming caused by concentrating.
The present invention the 7th embodiment be, in the 1st embodiment, the 2nd embodiment and the 5th embodiment appoint
In the used in fire-fighting aerial ladder of one embodiment, the wall thickness of rectangular tube is gradually thickening in the longitudinal direction.According to present embodiment,
It can reduce because of the flexure of cantilever formation, the curved surface amount (contrary flexure amount) formed in the longitudinal direction can be reduced.
The present invention the 8th embodiment be, in the 1st embodiment, the 2nd embodiment and the 5th embodiment appoint
In the used in fire-fighting aerial ladder of one embodiment, fiber-reinforced plastic square tube material formation rectangular tube is utilized.According to this implementation
Mode, lightweight can be realized by using fiber-reinforced plastic, and because curved surface can be pre-formed, and conventional
Size is measured while the method manufactured is compared, the excellent curved surface of precision can be further stably formed.
The present invention the 9th embodiment be, in the 1st embodiment, the 2nd embodiment and the 5th embodiment appoint
In the used in fire-fighting aerial ladder of one embodiment, rectangular tube is formed by processing obtained steel using drawing.According to this embodiment party
Formula, with it is conventional by sheet material bending machining and weld method compared with, can cut down manufacturing man-hours, and can realize significantly
Reduce cost.
The motor ladder of the 10th embodiment of the present invention is to be equipped with any one of the 1st~9 embodiment embodiment
Used in fire-fighting aerial ladder.According to present embodiment, vehicle weight can be also reduced.
(embodiment)
With reference now to accompanying drawing, the motor ladder of one embodiment of the invention is described in detail.
The sectional view of state when Fig. 1 is the traveling for the motor ladder for showing the present embodiment, Fig. 2 is to show the aerial ladder turner
The sectional view of one of state when making.
The motor ladder of the present embodiment, possesses：Cockpit 10, plummer 20, aerial ladder 30 with driver's seat.
Turntable 21 is configured with plummer 20.The column spinner 22 of the rotation of turntable 21 is provided with turntable 21.
Fixed aerial ladder 30A one end is fixed with column spinner 22.In addition, in general, possessing multiple relative to fixed aerial ladder 30A slips
Movable aerial ladder 30B.Before the fixed aerial ladder 30A and movable aerial ladder 30B of the superiors as nested structure direction of extension
End is provided with bending center 35.Bending center 35, swingable kink is connected with (before most using bending pin in above-below direction
The aerial ladder at end) 30Ba, kink 30Ba is via hanging basket arm-piece 30Bb connections hanging basket 40.
Lift 50 is connected with the upper surface of aerial ladder 30.Lift 50 is slidably disposed on the upper surface of aerial ladder 30.
Fig. 3 is the front view of the aerial ladder for the motor ladder for showing the present embodiment, and Fig. 4 is the solid for the part for showing the aerial ladder
Figure.
The aerial ladder 30 of one embodiment of the invention possesses the movable aerial ladder 30B of fixed aerial ladder 30A and 4 layers.
It is used below to be illustrated from the movable aerial ladder 30B of the superiors' number the 3rd.
In the case of the aerial ladder 30 of the present invention being used in movable aerial ladder 30B, by making movable aerial ladder 30B lightweights, Gu
Determining aerial ladder 30A also being capable of lightweight.
The aerial ladder 30 of the present embodiment with lower component by being constituted：A pair of the upper main framing 31 of configuration in the longitudinal direction；Match somebody with somebody
Put a pair of lower main framing 32 in the longitudinal direction；Side members 33, are configured between upper main framing 31 and lower main framing 32；
Bottom part 34, is configured between a pair of lower main framing 32.
Fig. 5 is the sectional view of the lower main framing for the aerial ladder for showing one embodiment of the invention.
Outboard square-like pipe 232, the interior table along sheet material 132 configured using sheet material 132, along the outer surface of sheet material 132
The inner side rectangular tube 332 of face configuration constitutes lower main framing 32.
The present embodiment and " rectangular tube " alleged by the present invention, be not limited to cross sectional shape in the narrow sense for square or
Rectangular pipe is also polygon including cross sectional shape and carries the similar square pipe of square corner and non-square corner
The outboard square-like pipe 232 of son, such as the present embodiment falls within " rectangular tube " alleged by the claims in the present invention.
Sheet material 132 is configured between outboard square-like pipe 232 and inner side rectangular tube 332.
The outboard square-like pipe 232 for constituting lower main framing 32 is made up of with inner side rectangular tube 332 die forming.
By using fiber-reinforced plastic square tube material formation outboard square-like pipe 232 and inner side rectangular tube 332, Neng Goushi
Existing lightweight, and because curved surface can be pre-formed, size is measured while the method manufactured with conventional
Compare, can more stably form the excellent curved surface of precision.
Fiber-reinforced plastic square tube material, is made up of, one the reinforcing fiber and resin of glass fibre or carbon fiber etc.
As be referred to as FRP material.There is carbon fiber, glass fibre, aramid fiber, nylon fiber or polyethylene fiber in reinforcing fiber
Dimension etc., these long fibre, chopped fiber, textile-like fiber, cushion fiber regularly or are brokenly blended in resin.
As fibre reinforced plastics material, preferably using carbon fiber reinforced plastic material.Carbon fiber reinforced plastic material
Commonly referred to as CFRP materials, are at least made up of the reinforcing fiber containing carbon fiber and resin, preferably using will merge in advance
The part of carbon fiber and resin be heating and curing using heater after dry carbon.
In addition, in the resin for constituting CFRP materials, vinyl ester resin, unsaturated polyester resin, epoxy can be used
The thermosetting resin of resin, phenolic resin etc., or it is polyethylene, acrylic resin, polyamide, ABS resin, poly- to benzene two
The thermoplastic resin of formic acid butanediol ester resin, acetal resin, makrolon etc..
As used binding agent is adhesively fixed, epoxy resin binding agent, polyurethane type resin can be used to bond
Agent, benzene bonded adhesive, benzene olefin(e) acid bonded adhesive.
In addition, obtained steel are processed using drawing carries out die forming, outboard square-like pipe 232 and inner side rectangular tube are obtained
332, with it is conventional by sheet material bending machining and weld method compared with, can cut down manufacturing man-hours, and can realize significantly
Cost reduction.In drawing processing, die forming is carried out by cold drawing, hot pull or roll forming.For steel material
Material fits through the die forming of drawing processing, is adapted to extrusion molding or the die forming by die casting for non-ferric, aluminum,
The die forming that mould, sand mo(u)ld shape is fitted through for founding materials.
On the outside of lower main framing outer upper surface portion 232a, lower main framing outside under surface portion 232b, lower main framing
Inclined plane part 232e constitutes outboard square-like pipe on the outside of inner side face 232d, lower main framing on the outside of exterior side surface portion 232c, lower main framing
232。
The connecting portion of inner side face 232d on the outside of lower main framing outer upper surface portion 232a with lower main framing is formed with
Upper corner part 232f on the inside of lower main framing outboard square-like.
The connecting portion of inner side face 232d and lower main framing outside under surface portion 232b on the outside of lower main framing are formed with
Lower corner part 232g on the inside of lower main framing outboard square-like.
Inclined plane part 232e connecting portion is formed with lower master on the outside of lower main framing outside under surface portion 232b and lower main framing
Corner part 232h under skeleton outboard square-like.
Under the inclined plane part 232e and exterior side surface portion 232c on the outside of lower main framing connecting portion is formed with the outside of the lower main framing
Lower corner part 232i on the outside of main framing outboard square-like.
The connecting portion of exterior side surface portion 232c and lower main framing outer upper surface portion 232a on the outside of lower main framing are formed with
Upper corner part 232j on the outside of lower main framing outboard square-like.
On the inside of lower main framing inside upper surface portion 332a, lower main framing inside bottom surface portion 332b, lower main framing
Inner side face 332d on the inside of exterior side surface portion 332c and lower main framing constitutes inner side rectangular tube 332.
The connecting portion of inner side face 332d on the inside of lower main framing inside upper surface portion 332a with lower main framing is formed with
Corner part 332f on square inner side on the inside of lower main framing.
The connecting portion of inner side face 332d and lower main framing inside bottom surface portion 332b on the inside of lower main framing are formed with
Corner part 332g under square inner side on the inside of lower main framing.
The connecting portion of exterior side surface portion 332c on the inside of lower main framing inside bottom surface portion 332b with lower main framing is formed with
Square lower corner part 332h on the inside of lower main framing.
The connecting portion of exterior side surface portion 332c and lower main framing inside upper surface portion 332a on the inside of lower main framing are formed with
Corner part 332j on square outside on the inside of lower main framing.
The lower end 132b configurations of sheet material 132 on the inside of the lower main framing outboard square-like under in corner part 232g and lower main framing
Lower corner part 332g top, is fixedly welded in the inner side face 232d on the outside of lower main framing and lower main framing on the inside of the shape of side
The inner side face 332d of side.
According to the present embodiment, because under the lower end 132b of sheet material 132 is weldingly fixed on the inside of lower main framing outboard square-like
Corner part 332g top under the square inner side of corner part 232g and lower main framing inner side, so can avoid outside lower main framing
The stress concentration of corner part 332g under square inner side on the inside of corner part 232g and lower main framing is descended on the inside of the shape of side.
Outboard square-like pipe 232 by the exterior side surface portion 232c on the outside of lower main framing outside under surface portion 232b, lower main framing, under
Turning under inclined plane part 232e, the lower corner part 232g in lower main framing outboard square-like inner side, lower main framing outboard square-like on the outside of main framing
Lower corner part 232i, the upper corner part 232j conducts in lower main framing outboard square-like outside on the outside of portion 232h, lower main framing outboard square-like
Specific part, forms the heavy section thicker than other parts wall thickness.
Inner side rectangular tube 332 by the exterior side surface portion 332c on the inside of lower main framing inside bottom surface portion 332b, lower main framing, under
Corner part 332g, the square lower corner part 332h in lower main framing inner side, lower main framing inner side are square under square inner side on the inside of main framing
Corner part 332j forms the heavy section thicker than other parts wall thickness as specific part on outside.
In the case where the thickness of other parts is set into t, as the specific part of heavy section, that is, under descending on the outside of main framing
Inclined plane part 232e, lower main framing outboard square-like on the outside of exterior side surface portion 232c, lower main framing on the outside of surface element 232b, lower main framing
Lower corner part 232i, lower main framing inside bottom surface portion 332b, lower main bone on the outside of lower corner part 232h, lower main framing outboard square-like
Exterior side surface portion 332c on the inside of the square lower corner part 332h in frame inner side, lower main framing, thickness is preferably in such as 1.5t~2.5t
Scope.In addition, making lower corner part 232g on the inside of lower main framing outboard square-like, upper corner part on the outside of lower main framing outboard square-like
232j, corner part 332g under square inner side on the inside of lower main framing, on the inside of lower main framing on square outside corner part 332j appearance
Surface side radius of curvature specific inner surface side radius of curvature is big.
Fig. 6 is the side view of a part for the aerial ladder for the motor ladder for showing the present embodiment, and Fig. 7 is shown from Fig. 6 A to sight
Examine obtain want portion's front view.
Fig. 6 show from the movable aerial ladder 30B of the superiors' number the 3rd end with from the movable of the superiors' number the 4th
The overlapping state in aerial ladder 30B end.
As shown in fig. 7, being arranged on from the movable aerial ladder 30B of the superiors' number the 3rd from the movable of the superiors' number the 4th
Slided on aerial ladder 30B roller 36.
The lower main framing outside under surface portion 232b of outer layer rectangular tube 232 is constituted with constituting under internal layer rectangular tube 332
Main framing inside bottom surface portion 332b abutment rollers 36, bear the reaction force from roller 36.
Therefore by regarding lower main framing outside under surface portion 232b and lower main framing inside bottom surface portion 332b as thickness
Wall portion, can prevent stress from rupturing or deforming caused by concentrating.
On outboard square-like pipe 232, although the inner side face 232d on the outside of lower main framing is born on the outside of lower main framing
Lower surface portion 232b power, but it is overlapping with the inner side face 332d on the inside of sheet material 132 and lower main framing, so not as thickness
Wall portion, can realize lightweight.
On the other hand, because the exterior side surface portion 232c on the outside of lower main framing on the outside of inclined plane part 232e and lower main framing is born
Power from lower main framing outside under surface portion 232b, so being used as heavy section.
Additionally since corner part under corner part 232g, lower main framing outboard square-like under on the inside of the lower main framing outboard square-like
Held on the outside of 232h, lower main framing outboard square-like on lower corner part 232i and the upper corner part 232j in lower main framing outboard square-like outside
By load, so being used as heavy section.
Inner side rectangular tube 332 is also same with outboard square-like pipe 232, although the inner side face 332d on the inside of lower main framing is born
Power from lower main framing inside bottom surface portion 332b, but with the inner side face 232d on the outside of sheet material 132 and lower main framing
It is overlapping, so not as heavy section, lightweight can be realized.
On the other hand, because the exterior side surface portion 332c on the inside of lower main framing bears to come from lower main framing inside bottom surface portion
332b power, so being used as heavy section.
Additionally since under square inner side on the inside of lower main framing corner part 332g, square lower corner part on the inside of lower main framing
Bearing load on corner part 332j on 332h, the square outside in lower main framing inner side, so being used as heavy section.
Fig. 8 is that the upper main framing and lift of the aerial ladder for the motor ladder for showing the present embodiment want portion's front view.
Accordingly possess with fixed aerial ladder 30A and multiple movable aerial ladder 30B in lift 50 lift roller 51,
Lift carrier 52.In lift with being provided with mat 53 on carrier 52.
Using upper main framing upper surface part 31a, upper main framing lower surface portion 31b, upper main framing outer lateral side portion 31c, on
Main framing 31 in main framing inner side surface portion 31d compositions.
Make main framing lower surface portion 31b width of the width than upper main framing upper surface part 31a big, by outside upper main framing
Side side surface part 31c is as inclined plane, and upper main framing inner side surface portion 31d is used as vertical plane.
Lift abuts upper main framing upper surface part 31a with roller 51, is slided in upper main framing upper surface part 31a.
Lift is opposed with upper main framing inner side surface portion 31b via mat 53 with carrier 52.
According to the present embodiment, it is possible to increase the intensity of upper main framing 31, it can prevent because of answering from lift roller 51
Rupture or deformation caused by power is concentrated.
Upper main framing 31 is in the same manner as outboard square-like pipe 232 or inner side rectangular tube 332, by the side obtained using die forming
Shape pipe is constituted.
Upper main framing 31 is formed by using fiber-reinforced plastic square tube material, lightweight can be realized, and because
Curved surface can be pre-formed, so size is measured while compared with the method manufactured with conventional, can be further steady
Surely the excellent curved surface of precision is formed.
In addition, the steel processed by using drawing form upper main framing 31, by sheet material bending machining and welded with conventional
The method connect is compared, and can be cut down manufacturing man-hours, and can realize cost is greatly reduced.In drawing processing, by cold
Drawing, hot pull or roll forming carry out die forming.The die forming of drawing processing is fitted through for iron steel, for
Non-ferric, aluminum are adapted to extrusion molding or the die forming by die casting, and mould, husky contour forming are fitted through for founding materials
Die forming.
In addition, making the wall thickness of the rectangular tube of main framing 31, outboard square-like pipe 232 and inner side rectangular tube 332 in length
It is gradually thickening on direction.
As shown in Figure 1 and Figure 2, in fixed aerial ladder 30A and movable aerial ladder 30B, the wall of the rectangular tube of the side of hanging basket 40
Thick most thin, the wall thickness of rectangular tube is gradually thickening towards the side of column spinner 22.Thus, upper main framing 31, outboard square-like pipe 232 and
The wall thickness of rectangular tube in inner side rectangular tube 332 is gradually thickening in the longitudinal direction, therefore, it is possible to reduce scratching because of cantilever formation
Song, can reduce the curved surface amount formed in the longitudinal direction.
According to the present embodiment, heavy section is set by the specific part in rectangular tube 232,332, stress collection can be avoided
In caused by rupture, and by not stress concentrate and the other parts that rupture not as heavy section, thus, it is possible to realize
Weight reduction, can further avoid stress from being ruptured caused by concentrating by weight reduction.
In addition, according to the present embodiment, utilizing multiple portions of outboard square-like pipe 232, inner side rectangular tube 332 and sheet material 132
Part constitutes lower main framing 32, by the way that sheet material 132 is configured between outboard square-like pipe 232 and inner side rectangular tube 332, thus produces
The part overlapping with sheet material 132 of rectangular tube 232,332 and nonoverlapping part, although one side rectangular tube 232,332 and sheet material
132 overlapping parts invalidly increase thickness, and on the other hand nonoverlapping part stress is concentrated and becomes easily to rupture,
But heavy section is set by the specific part in rectangular tube 232,332, stress can be avoided to be ruptured caused by concentrating.
In addition, according to the present embodiment, by the way that lower main framing lower surface portion 232b, 332b, as heavy section, can be prevented
Rupture or deformation caused by lower main framing lower surface portion 232b, the 332b stress for bearing roller 36 is concentrated.
In addition, according to the present embodiment, the rupture or deformation in corner part 232g, 232h, 332g, 332h, institute can be prevented
State lower main framing lower surface portion 232b, the 332b and lower main bone of corner part 232g, 232h, 332g, 332h in easy stress concentration
Between frame side surface part 232d, 232e, 332d, 332c.
Industrial applicibility
Although the present invention is especially suitable for fire-fighting motor ladder, also can be used in other motor ladders.
Description of reference numerals
10 cockpits
20 plummers
21 turntables
22 column spinners
30 aerial ladders
30A fixes aerial ladder
The movable aerial ladders of 30B
Main framing (main framing) on 31
The upper main framing upper surface parts of 31a
The upper main framing lower surface portions of 31b
The upper main framing outer lateral side portions of 31c
The upper main framing inner side surface portions of 31d
32 times main framings (main framing)
33 side members
34 bottom parts
40 hanging baskets
50 lifts
132 sheet materials
132b lower ends
232 outboard square-like pipes (rectangular tube)
Main framing outer upper surface portion (lower main framing upper surface part) under 232a
Main framing outside under surface portion (lower main framing lower surface portion) under 232b
Exterior side surface portion (lower main framing side surface part) under 232c on the outside of main framing
Inner side under 232d on the outside of main framing is facial (lower main framing side surface part)
Inclined plane part (lower main framing side surface part) on the outside of main framing under 232e
Upper corner part on the inside of main framing outboard square-like under 232f
Lower corner part (outboard square-like corner part) on the inside of main framing outboard square-like under 232g
Corner part under main framing outboard square-like under 232h
Lower corner part on the outside of main framing outboard square-like under 232i
Upper corner part on the outside of main framing outboard square-like under 232j
332 inner side rectangular tubes (rectangular tube)
Main framing inside upper surface portion (lower main framing upper surface part) under 332a
Main framing inside bottom surface portion (lower main framing lower surface portion) under 332b
Exterior side surface portion (lower main framing side surface part) under 332c on the inside of main framing
Inner side under 332d on the inside of main framing is facial (lower main framing side surface part)
Corner part on the square inner side in main framing inner side under 332f
Corner part (inner side square corners portion) under the square inner side in main framing inner side under 332g
Square lower corner part on the inside of main framing under 332h
Corner part on the square outside in main framing inner side under 332j
Claims (10)
1. a kind of used in fire-fighting aerial ladder, including：
A pair of the upper main framing of configuration in the longitudinal direction；
A pair of the lower main framing of configuration in the longitudinal direction；
Side members, configuration is on described between main framing and the lower main framing；
Bottom part, is configured between a pair of the lower main framing,
The lower main framing is made up of the rectangular tube obtained using die forming,
In the specific part of the rectangular tube, the heavy section thicker than the wall thickness of other parts is provided with.
2. used in fire-fighting aerial ladder as claimed in claim 1, it is characterised in that using the rectangular tube and along the rectangular tube
The sheet material of configuration constitutes the lower main framing,
Utilize the outboard square-like pipe configured along the outer surface of the sheet material and the inner side of the internal surface configurations along the sheet material
Rectangular tube constitutes the rectangular tube,
By sheet material configuration between the outboard square-like pipe and the inner side rectangular tube.
3. used in fire-fighting aerial ladder as claimed in claim 1 or 2, it is characterised in that utilize lower main framing upper surface part, lower main bone
Frame lower surface portion and lower main framing side surface part constitute the rectangular tube,
The lower main framing lower surface portion is the heavy section.
4. used in fire-fighting aerial ladder as claimed in claim 1 or 2, it is characterised in that utilize lower main framing upper surface part, lower main bone
Frame lower surface portion and lower main framing side surface part constitute the rectangular tube,
Corner part between the lower main framing lower surface portion and the lower main framing side surface part is the heavy section.
5. used in fire-fighting aerial ladder as claimed in claim 2, it is characterised in that utilize lower main framing outer upper surface portion, lower master
Inner side face on the outside of exterior side surface portion and lower main framing on the outside of skeleton outside under surface portion, lower main framing constitutes the outside
Shape pipe,
The outboard square-like corner part between the face of inner side on the outside of the lower main framing outside under surface portion and the lower main framing
For the heavy section,
Using the exterior side surface portion on the inside of lower main framing inside upper surface portion, lower main framing inside bottom surface portion, lower main framing and under
Inner side face on the inside of main framing constitutes the inner side rectangular tube,
The inner side square corners portion between exterior side surface portion on the inside of the lower main framing inside bottom surface portion and the lower main framing
For the heavy section,
The lower end of the sheet material is configured in the top in the outboard square-like corner part and the inner side square corners portion,
The lower end of the sheet material be fixedly welded on inner side on the outside of the lower main framing it is facial with the inside of the lower main framing
Exterior side surface portion.
6. used in fire-fighting aerial ladder as claimed in claim 1 or 2, it is characterised in that the upper main framing is by utilizing die forming
Obtained rectangular tube is constituted,
Utilize side on the inside of upper main framing upper surface part, upper main framing lower surface portion, upper main framing outer lateral side portion and upper main framing
Face constitutes the rectangular tube,
The width of the upper main framing lower surface portion is bigger than the width of the upper main framing upper surface part,
The upper main framing outer lateral side portion is inclined plane,
The upper main framing inner side surface portion is vertical plane.
7. the used in fire-fighting aerial ladder as described in any one of claim 1, claim 2 and claim 5, its feature exists
In the wall thickness of the rectangular tube is gradually thickening in the longitudinal direction.
8. the used in fire-fighting aerial ladder as described in any one of claim 1, claim 2 and claim 5, its feature exists
In forming the rectangular tube using fiber-reinforced plastic square tube material.
9. the used in fire-fighting aerial ladder as described in any one of claim 1, claim 2 and claim 5, its feature exists
In the rectangular tube is formed by processing obtained steel using drawing.
10. a kind of motor ladder, it is characterised in that carry just like the used in fire-fighting cloud described in any one of claim 1~9
Ladder.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016063712A JP6713804B2 (en) | 2016-03-28 | 2016-03-28 | Fire truck ladders and ladder cars |
| JP2016-063712 | 2016-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107237600A true CN107237600A (en) | 2017-10-10 |
| CN107237600B CN107237600B (en) | 2020-10-20 |
Family
ID=59983018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710063952.1A Active CN107237600B (en) | 2016-03-28 | 2017-02-04 | Aerial ladder for fire truck and aerial ladder truck |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6713804B2 (en) |
| CN (1) | CN107237600B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240156A (en) * | 2020-10-13 | 2021-01-19 | 国网江苏省电力有限公司徐州供电分公司 | Dedicated extension ladder of vehicular crossing structure |
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|---|---|---|---|---|
| GB1411965A (en) * | 1972-01-24 | 1975-10-29 | American La France Inc | Cantilever booms |
| DE3901687A1 (en) * | 1989-01-21 | 1990-07-26 | Boecker Albert Gmbh & Co Kg | TELESCOPICABLE GUIDE RAILS FOR SLOPE OR SCAFFOLDING ELEVATORS |
| JP2006118246A (en) * | 2004-10-22 | 2006-05-11 | Morita Corp | Fire fighting ladder |
| US20090101436A1 (en) * | 2007-04-18 | 2009-04-23 | Federal Signal - Fire Rescue Group | Telescopic aerial ladders; components; and methods |
| CN103670261A (en) * | 2013-12-02 | 2014-03-26 | 长沙中联消防机械有限公司 | Aerial ladder and firefighting aerial ladder vehicle |
| CN204508623U (en) * | 2015-03-24 | 2015-07-29 | 中船第九设计研究院工程有限公司 | A kind of plektron span winch for building berth work compound |
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2016
- 2016-03-28 JP JP2016063712A patent/JP6713804B2/en active Active
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2017
- 2017-02-04 CN CN201710063952.1A patent/CN107237600B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1411965A (en) * | 1972-01-24 | 1975-10-29 | American La France Inc | Cantilever booms |
| DE3901687A1 (en) * | 1989-01-21 | 1990-07-26 | Boecker Albert Gmbh & Co Kg | TELESCOPICABLE GUIDE RAILS FOR SLOPE OR SCAFFOLDING ELEVATORS |
| JP2006118246A (en) * | 2004-10-22 | 2006-05-11 | Morita Corp | Fire fighting ladder |
| US20090101436A1 (en) * | 2007-04-18 | 2009-04-23 | Federal Signal - Fire Rescue Group | Telescopic aerial ladders; components; and methods |
| CN103670261A (en) * | 2013-12-02 | 2014-03-26 | 长沙中联消防机械有限公司 | Aerial ladder and firefighting aerial ladder vehicle |
| CN204508623U (en) * | 2015-03-24 | 2015-07-29 | 中船第九设计研究院工程有限公司 | A kind of plektron span winch for building berth work compound |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112240156A (en) * | 2020-10-13 | 2021-01-19 | 国网江苏省电力有限公司徐州供电分公司 | Dedicated extension ladder of vehicular crossing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6713804B2 (en) | 2020-06-24 |
| JP2017179728A (en) | 2017-10-05 |
| CN107237600B (en) | 2020-10-20 |
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