CN106150794A - There is the forklift steering room overhead guard of noise-reducing structure - Google Patents
There is the forklift steering room overhead guard of noise-reducing structure Download PDFInfo
- Publication number
- CN106150794A CN106150794A CN201610689388.XA CN201610689388A CN106150794A CN 106150794 A CN106150794 A CN 106150794A CN 201610689388 A CN201610689388 A CN 201610689388A CN 106150794 A CN106150794 A CN 106150794A
- Authority
- CN
- China
- Prior art keywords
- noise
- expansion cavity
- frame beam
- right frame
- rear support
- 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.)
- Granted
Links
- 230000006698 induction Effects 0.000 claims abstract description 15
- 230000008030 elimination Effects 0.000 claims abstract description 5
- 238000003379 elimination reaction Methods 0.000 claims abstract description 5
- 230000003584 silencer Effects 0.000 claims abstract description 5
- 125000006850 spacer group Chemical group 0.000 claims description 18
- 239000011148 porous material Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1288—Intake silencers ; Sound modulation, transmission or amplification combined with or integrated into other devices ; Plurality of air intake silencers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07545—Overhead guards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1205—Flow throttling or guiding
- F02M35/1233—Flow throttling or guiding by using expansion chambers in the air intake flow path
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
- F02M35/162—Motorcycles; All-terrain vehicles, e.g. quads, snowmobiles; Small vehicles, e.g. forklifts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to the forklift steering room overhead guard with noise-reducing structure.The right rear support leg of forklift steering room overhead guard connects formation air inlet pipeline with lower right frame beam, and right rear support leg is provided with air inlet, is provided with shutter at air inlet;Lower right frame beam is provided with gas outlet, is sequentially provided with the 3rd expansion cavity, the second expansion cavity, the first expansion cavity and resonant cavity in lower right frame beam, forms silencer mechanism;During work, air is entered by shutter, is entered motor intake manifold through the 3rd expansion cavity, the second expansion cavity and the first expansion cavity by gas outlet;The elimination path of noise is contrary with airflow direction, and the induction noise of engine is entered by gas outlet, and through the first expansion cavity, low frequency is cut down at resonant cavity, then through the second expansion cavity and the 3rd expansion cavity, reduces noise successively;During engine full speed, the noise at shutter is down to below 108dB.
Description
Technical field
The present invention relates to a kind of fork truck overhead guard, especially relate to a kind of forklift protecting top frame with silencing function device.
Background technology
Fork truck is as logistics transportation instrument important in the production of current modern industry, as application is more and more extensive,
The operation comfort of complete machine is required also more and more higher, especially noise vibration.Diesel fork lift truck engine aspirating system typically by
The inlet manifold composition of the right rear support leg of the overhead guard band shutter of forklift steering room, air filter, connection flexible pipe and engine.Empty
Gas is entered overhead guard right rear support leg inner chamber by shutter, out enters air filter from rear support leg inner chamber, more out leads to from air filter
Cross flexible pipe and enter the inlet manifold of engine.Inflow noise is owing in engine working process, air intake valve opens Guan Bi product
Raw, bang path is then sent by inlet manifold, against airflow direction, is delivered to overhead guard air inlet shutter.Due to air inlet hundred
Leaf window is positioned at top outside the right rear support leg of overhead guard, and air inlet position height is higher, is substantially above operator's right side of head, because of
This, inflow noise is relatively big on operator's impact, engine at full speed when overhead guard air inlet shutter at level of noise typically at 112dB
Left and right.
Content of the invention
In order to reduce air inlet noise, improving forklift operator comfortableness, the present invention provides a kind of fork with noise-reducing structure
Car driver's cabin overhead guard.
The forklift steering room overhead guard with noise-reducing structure includes by right anterior branch leg the 1st, left front supporting leg the 9th, right rear support leg the 3rd, left
Rear support leg the 7th, lower right frame beam the 4th, left lower transverse beam 8 and the forklift steering room overhead guard of top frame 2 composition;Described right rear support leg is the 3rd, left back
Supporting leg the 7th, lower right frame beam 4 and left lower transverse beam 8 are Guan Liang;Described right rear support leg 3 connects formation air inlet pipeline with lower right frame beam 4,
The upper outside of right rear support leg 3 is provided with air inlet 23, and the inside middle portion of lower right frame beam 4 is provided with gas outlet 5;
It is provided with shutter 10 at air inlet 23 on described right rear support leg 3;
It is sequentially provided with the 20th, the first expansion of the 3rd expansion cavity the 21st, the second expansion cavity in lower right frame beam 4 one end connecting with right rear support leg 3
Opening chamber 19 and resonant cavity 17, forming silencer mechanism, wherein the 3rd expansion cavity 21 connects the lower end of right rear support leg 3, lower right frame beam 4
On gas outlet 5 connect described first expansion cavity 19;
During work, air is entered by shutter 10, through the 3rd expansion cavity the 21st, the second expansion cavity 20 and the first expansion cavity 19, by
Gas outlet 5 enters motor intake manifold;The elimination path of noise is contrary with airflow direction, and the induction noise of engine is by giving vent to anger
Mouth 5 enters, and through the first expansion cavity 19, low frequency is cut down at resonant cavity 17, then through the second expansion cavity 20 and the 3rd expansion cavity 22,
Reduce noise successively;During engine full speed, the noise at shutter 10 is down to below 108dB.
The technical scheme limiting further is as follows:
It is provided with upright upper spacer 12, the base of upper spacer 12 with the roof in the lower right frame beam 4 that right rear support leg 3 connects one end
With space between the diapire in lower right frame beam 4 forms air flue, the space between one end of upper spacer 12 and lower right frame beam 4 is the
Three expansion cavities 21, for the induction noise of reduction by 200~700Hz frequency band;
Diapire lower right frame beam 4 in adjacent with upper spacer 12 is provided with upright lower clapboard 13, the top margin of lower clapboard 13 and the right side
Space between roof in sill 4 forms air flue, and the space between upper spacer 12 and lower clapboard 13 is the second expansion cavity 20,
For reducing the induction noise of 500~1500Hz frequency band;
Being provided with the first upright shrouding 14 in the lower right frame beam 4 adjacent with lower clapboard 13, the first shrouding 14 is by the horizontal stroke of lower right frame beam 4
Enclosed cross;The middle part of the first shrouding 14 offers pore 18, and the space between lower clapboard 13 and the first shrouding 14 is the first expansion
Open chamber 19, for the induction noise of reduction by 300~900Hz frequency band;
Being provided with the second upright shrouding 15 in the lower right frame beam 4 adjacent with the first shrouding 14, the second shrouding 15 is by lower right frame beam 4
Cross section is closed;Space between first shrouding 14 and the second shrouding 15 is resonant cavity 17, is used for reduction by 100~200Hz frequency
The induction noise of section.
The spacing between roof in the top margin of described upper spacer 13 and lower right frame beam 4 is 25mm.
The spacing between diapire in the base of described lower clapboard 12 and lower right frame beam 4 is 25mm.
A diameter of 5~6mm of described pore 18.
The area of the air inlet 23 on described right rear support leg 3 is that the area of the cross section of rear support leg 3 is suitable.
Right rear support leg 3 and lower right frame beam 4 connectivity part are provided with throttling through hole 22, and described throttling through hole 22 is positioned at lower right frame beam 4
Roof on.
A diameter of 45~50mm of described throttling through hole 22, the area of throttling through hole 22 is the cross section of right rear support leg 3
1/3rd.
The volume of described first expansion cavity 19 is 990~1010cm3, the volume of the second expansion cavity 20 is 540~560cm3,
The volume of the 3rd expansion cavity 21 is 610~630cm3, the volume of resonant cavity 17 is 450~470 cm3。
Described shutter 10 is provided with more than 8 window leaves, and the spacing between adjacent windows leaf is 15 mm.
The Advantageous Effects of the present invention is embodied in following aspect:
1. the present invention is by increasing noise-reducing structure in overhead guard gas channel, and during work, air is from the right rear support leg of overhead guard hundred
Leaf window enters, and flows through each cavity in the sill connecting right rear support leg, enters back into the inlet manifold of air filter, engine,
And the elimination path of noise is contrary with airflow direction, engine work when inlet manifold at produce noise, then gone out by overhead guard
Gas port enters, and through the first expansion cavity, low frequency is cut down at resonant cavity, then through the second expansion cavity and the 3rd expansion cavity, dropped successively
Low noise, thus reduce noise at overhead guard air inlet shutter.After structure is improved, during engine full speed at air inlet shutter
Noise is down to below 108dB, reduces about 4dB compared with original structure.
2. present configuration is compact to design, in the case of admission air silencer cannot being increased for fork truck inner space is less,
Adopt the structure, both saved space, can effectively reduce again fork truck air inlet noise, reduce operator's noise in one's ear.
3. structure is improved and is mainly formed by Plate Welding, and low cost, manufacturing process is simple.
Brief description
Fig. 1 is present configuration schematic diagram.
Fig. 2 is that the A of Fig. 1 is to stereogram.
Fig. 3 is air inlet louvers structural representation in Fig. 2.
Fig. 4 is the broken section enlarged drawing in Fig. 1.
Sequence number in upper figure: right anterior branch leg the 1st, top frame the 2nd, right rear support leg the 3rd, lower right frame beam the 4th, gas outlet the 5th, rear left and right crossbeam draws
Bar the 6th, left back supporting leg the 7th, left lower transverse beam the 8th, the U-shaped plate of left front supporting leg the 9th, air inlet louvers the 10th, sill the 11st, upper spacer the 12nd, lower clapboard
13rd, the first shrouding the 14th, the second shrouding the 15th, interior side seal board the 16th, resonant cavity the 17th, pore the 18th, the first expansion cavity the 19th, the second expansion cavity
20th, the 21st, the 3rd expansion cavity throttles through hole the 22nd, air inlet 23.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by embodiment, the present invention is further described.
See Fig. 1, have the forklift steering room overhead guard of noise-reducing structure include by right anterior branch leg the 1st, left front supporting leg the 9th, right after
Supporting leg the 3rd, left back supporting leg the 7th, lower right frame beam the 4th, left lower transverse beam 8 and the forklift steering room overhead guard of top frame 2 composition;Prop up behind the described right side
Leg the 3rd, left back supporting leg the 7th, lower right frame beam 4 and left lower transverse beam 8 are Guan Liang;Described right rear support leg 3 connect with lower right frame beam 4 formed into
Air pipe, the upper outside of right rear support leg 3 is provided with air inlet 23, and the inside middle portion of lower right frame beam 4 is provided with gas outlet 5.
The area of the air inlet 23 on right rear support leg 3 is the twice of the cross section of rear support leg 3, is provided with at air inlet 23
Shutter 10;Being provided with 10 gate leaves on shutter 10, the spacing between adjacent windows leaf is 15 mm.
It is sequentially provided with the 3rd expansion cavity the 21st, the second expansion cavity the 20th, in lower right frame beam 4 one end connecting with right rear support leg 3
One expansion cavity 19 and resonant cavity 17, form silencer mechanism;Wherein the 3rd expansion cavity 21 connects the lower end of right rear support leg 3, bottom right
Gas outlet 5 on crossbeam 4 connects described first expansion cavity 19;
The concrete structure of the 3rd expansion cavity the 21st, the second expansion cavity the 20th, the first expansion cavity 19 and resonant cavity 17 is described as follows:
It is installed with upright upper spacer 12, upper spacer 12 with on the roof in the lower right frame beam 4 that right rear support leg 3 connects one end
Base and lower right frame beam 4 in diapire between spacing be 25mm, formed air flue;Upper spacer 12 and one end of lower right frame beam 4
Between space be the 3rd expansion cavity 21, for the induction noise of reduction by 200~700Hz frequency band;
It is installed with upright lower clapboard 13, the top of lower clapboard 13 on the diapire in lower right frame beam 4 adjacent with upper spacer 12
The spacing between roof in limit and lower right frame beam 4 is 25mm, forms air flue;Space between upper spacer 12 and lower clapboard 13 is
Second expansion cavity 20, for the induction noise of reduction by 500~1500Hz frequency band;
Being installed with the first upright shrouding 14 in the lower right frame beam 4 adjacent with lower clapboard 13, the first shrouding 14 is horizontal by bottom right
The cross section of beam 4 is closed;The middle part of the first shrouding 14 offers pore 18, a diameter of 5mm of pore 18.Lower clapboard 13 and first
Space between shrouding 14 is the first expansion cavity 19, for the induction noise of reduction by 300~900Hz frequency band;
Being installed with the second upright shrouding 15 in the lower right frame beam 4 adjacent with the first shrouding 14, the second shrouding 15 is by bottom right
The cross section of crossbeam 4 is closed;Space between first shrouding 14 and the second shrouding 15 is resonant cavity 17, for reduction by 100~
The induction noise of 200Hz frequency band.
The volume of the first expansion cavity 19 is 1008cm3, the volume of the second expansion cavity 20 is 552cm3, the 3rd expansion cavity 21
Volume is 620cm3, the volume of resonant cavity 17 is 460 cm3。
Right rear support leg 3 and lower right frame beam 4 connectivity part offer throttling through hole 22, and throttling through hole 22 is positioned at lower right frame beam 4
On roof, a diameter of 45mm of throttling through hole 22, the area of throttling through hole 22 is 1/3rd of the cross section of right rear support leg 3.
During work, air is entered by shutter 10, through the 3rd expansion cavity the 21st, the second expansion cavity 20 and the first expansion cavity
19, gas outlet 5 is entered motor intake manifold;The elimination path of noise is contrary with airflow direction, the induction noise of engine
Being entered by gas outlet 5, through the first expansion cavity 19, low frequency is cut down at resonant cavity 17, then expands through the second expansion cavity 20 and the 3rd
Open chamber 22, reduce noise successively, thus reduce noise at shutter;During engine full speed, the noise at shutter 10 is down to
Below 108dB.
Claims (10)
1. there is the forklift steering room overhead guard of noise-reducing structure, including by right anterior branch leg (1), left front supporting leg (9), right rear support leg
(3), the forklift steering room overhead guard that left back supporting leg (7), lower right frame beam (4), left lower transverse beam (8) and top frame (2) form;Described
Right rear support leg (3), left back supporting leg (7), lower right frame beam (4) and left lower transverse beam (8) are Guan Liang;Described right rear support leg (3) and the right side
Sill (4) connection forms air inlet pipeline, and the upper outside of right rear support leg (3) is provided with air inlet (23), in lower right frame beam (4)
It is provided with gas outlet (5) inside portion, it is characterised in that:
Air inlet (23) place on described right rear support leg (3) is provided with shutter (10);
It is sequentially provided with the 3rd expansion cavity (21), the second expansion cavity in lower right frame beam (4) one end connecting with right rear support leg (3)
(20), the first expansion cavity (19) and resonant cavity (17), forms silencer mechanism, and wherein the 3rd expansion cavity (21) connects right rear support leg
(3) lower end, the gas outlet (5) on lower right frame beam (4) connects described first expansion cavity (19);
During work, air is entered by shutter (10), through the 3rd expansion cavity (21), the second expansion cavity (20) and the first expansion cavity
(19), gas outlet (5) are entered motor intake manifold;The elimination path of noise is contrary with airflow direction, the air inlet of engine
Noise is entered by gas outlet (5), and through the first expansion cavity (19), low frequency is cut down at resonant cavity (17), then through the second expansion cavity
(20) and the 3rd expansion cavity (22), noise is reduced successively;During engine full speed, on overhead guard, the noise at shutter (10) place is down to
Below 108dB.
2. the forklift steering room overhead guard with noise-reducing structure according to claim 1, it is characterised in that: with right rear support leg
(3) roof connecting in the lower right frame beam (4) of one end is provided with upright upper spacer (12), the base of upper spacer (12) and bottom right
Space between diapire in crossbeam (4) forms air flue, and the space between one end of upper spacer (12) and lower right frame beam (4) is the
Three expansion cavities (21), for the induction noise of reduction by 200~700Hz frequency band;
Diapire lower right frame beam (4) in adjacent with upper spacer (12) is provided with upright lower clapboard (13), lower clapboard (13)
Space between roof in top margin and lower right frame beam (4) forms air flue, the space between upper spacer (12) and lower clapboard (13)
It is the second expansion cavity (20), for the induction noise of reduction by 500~1500Hz frequency band;
Being provided with upright the first shrouding (14) in the lower right frame beam (4) adjacent with lower clapboard (13), the first shrouding (14) is by bottom right
The cross section of crossbeam (4) is closed;The middle part of the first shrouding (14) offers pore (18), lower clapboard (13) and the first shrouding (14)
Between space be the first expansion cavity (19), for the induction noise of reduction by 300~900Hz frequency band;
Being provided with upright the second shrouding (15) in the lower right frame beam (4) adjacent with the first shrouding (14), the second shrouding (15) is by the right side
The cross section of sill (4) is closed;Space between first shrouding (14) and the second shrouding (15) is resonant cavity (17), is used for dropping
The induction noise of low 100~200Hz frequency band.
3. the forklift steering room overhead guard with noise-reducing structure according to claim 2, it is characterised in that: described upper spacer
(13) spacing between roof in top margin and lower right frame beam (4) is 25mm.
4. the forklift steering room overhead guard with noise-reducing structure according to claim 2, it is characterised in that: described lower clapboard
(12) spacing between diapire in base and lower right frame beam (4) is 25mm.
5. the forklift steering room overhead guard with noise-reducing structure according to claim 2, it is characterised in that: described pore
(18) a diameter of 5~6mm.
6. the forklift steering room overhead guard with noise-reducing structure according to claim 1, it is characterised in that: prop up behind the described right side
The area of the air inlet (23) on leg (3) is that the area of the cross section of rear support leg (3) is suitable.
7. the forklift steering room overhead guard with noise-reducing structure according to claim 1, it is characterised in that: right rear support leg
(3) and lower right frame beam (4) connectivity part is provided with throttling through hole (22), described throttling through hole (22) is positioned at the roof of lower right frame beam (4)
On.
8. the forklift steering room overhead guard with noise-reducing structure according to claim 7, it is characterised in that: described throttling is logical
A diameter of 45~50mm in hole (22), the area of throttling through hole (22) is 1/3rd of the cross section of right rear support leg (3).
9. the forklift steering room overhead guard with noise-reducing structure according to claim 1 and 2, it is characterised in that: described
The volume of one expansion cavity (19) is 990~1010cm3, the volume of the second expansion cavity (20) is 540~560cm3, the 3rd expansion cavity
(21) volume is 610~630cm3, the volume of resonant cavity (17) is 450~470 cm3。
10. the forklift steering room overhead guard with noise-reducing structure according to claim 1, it is characterised in that: described blinds
Window (10) is provided with more than 8 window leaves, and the spacing between adjacent windows leaf is 15 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610689388.XA CN106150794B (en) | 2016-08-19 | 2016-08-19 | Forklift steering room overhead guard with noise-reducing structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610689388.XA CN106150794B (en) | 2016-08-19 | 2016-08-19 | Forklift steering room overhead guard with noise-reducing structure |
Publications (2)
Publication Number | Publication Date |
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CN106150794A true CN106150794A (en) | 2016-11-23 |
CN106150794B CN106150794B (en) | 2019-02-01 |
Family
ID=57331273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610689388.XA Active CN106150794B (en) | 2016-08-19 | 2016-08-19 | Forklift steering room overhead guard with noise-reducing structure |
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CN (1) | CN106150794B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114834383A (en) * | 2022-04-21 | 2022-08-02 | 第一拖拉机股份有限公司 | External falling object protection device for modular tractor |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03125631A (en) * | 1989-10-11 | 1991-05-29 | Toyota Autom Loom Works Ltd | Hydraulic fluid cooling device for forklift |
JPH0687338A (en) * | 1992-09-07 | 1994-03-29 | Toyota Autom Loom Works Ltd | Suction device for industrial vehicle |
JP2004010231A (en) * | 2002-06-05 | 2004-01-15 | Komatsu Forklift Co Ltd | Intake port of industrial vehicle |
CN1572710A (en) * | 2003-05-30 | 2005-02-02 | 三菱重工业株式会社 | Air intake system and forklift equipped with it |
CN203602326U (en) * | 2013-11-22 | 2014-05-21 | 长沙湘普防爆车辆有限公司 | Large-tonnage anti-explosion diesel fork lift truck |
CN203683000U (en) * | 2013-12-26 | 2014-07-02 | 安徽江淮银联重型工程机械有限公司 | Improved structure of forklift overhead guard |
CN104975924A (en) * | 2015-07-31 | 2015-10-14 | 云南大红山管道有限公司 | Widely-applied silencer |
CN204848137U (en) * | 2015-07-21 | 2015-12-09 | 合肥和安机械制造有限公司 | Overhead guard assembly |
-
2016
- 2016-08-19 CN CN201610689388.XA patent/CN106150794B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03125631A (en) * | 1989-10-11 | 1991-05-29 | Toyota Autom Loom Works Ltd | Hydraulic fluid cooling device for forklift |
JPH0687338A (en) * | 1992-09-07 | 1994-03-29 | Toyota Autom Loom Works Ltd | Suction device for industrial vehicle |
JP2004010231A (en) * | 2002-06-05 | 2004-01-15 | Komatsu Forklift Co Ltd | Intake port of industrial vehicle |
CN1572710A (en) * | 2003-05-30 | 2005-02-02 | 三菱重工业株式会社 | Air intake system and forklift equipped with it |
CN203602326U (en) * | 2013-11-22 | 2014-05-21 | 长沙湘普防爆车辆有限公司 | Large-tonnage anti-explosion diesel fork lift truck |
CN203683000U (en) * | 2013-12-26 | 2014-07-02 | 安徽江淮银联重型工程机械有限公司 | Improved structure of forklift overhead guard |
CN204848137U (en) * | 2015-07-21 | 2015-12-09 | 合肥和安机械制造有限公司 | Overhead guard assembly |
CN104975924A (en) * | 2015-07-31 | 2015-10-14 | 云南大红山管道有限公司 | Widely-applied silencer |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114834383A (en) * | 2022-04-21 | 2022-08-02 | 第一拖拉机股份有限公司 | External falling object protection device for modular tractor |
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