CN106476612A - Piggyback pod and engineering truck - Google Patents
Piggyback pod and engineering truck Download PDFInfo
- Publication number
- CN106476612A CN106476612A CN201610375822.7A CN201610375822A CN106476612A CN 106476612 A CN106476612 A CN 106476612A CN 201610375822 A CN201610375822 A CN 201610375822A CN 106476612 A CN106476612 A CN 106476612A
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- piggyback pod
- air inlet
- cabin
- noise
- hatch cover
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- 238000001816 cooling Methods 0.000 claims abstract description 84
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 230000008030 elimination Effects 0.000 claims description 77
- 238000003379 elimination reaction Methods 0.000 claims description 77
- 238000005452 bending Methods 0.000 claims description 36
- 230000009467 reduction Effects 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011796 hollow space material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 30
- 239000006185 dispersion Substances 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 description 21
- 230000009471 action Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 101100327310 Caenorhabditis elegans emb-27 gene Proteins 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0838—Insulating elements, e.g. for sound insulation for engine compartments
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The present invention relates to technical field of engineering machinery, particularly to a kind of piggyback pod and engineering truck.Piggyback pod provided by the present invention, it has been sequentially arranged electromotor, fan and radiator from front to back inside it, and it includes separation structure, air inlet and air outlet, wherein, separation structure is arranged between electromotor and fan and piggyback pod is divided into the enging cabin being disposed with electromotor and the cooling cabin being disposed with fan and radiator；Air inlet is arranged at the rear of separation structure, for connecting the inside of cooling cabin and the outside of cooling cabin, to enable air to enter the inside of cooling cabin via air inlet in the presence of fan and flow out to the outside of cooling cabin via air outlet.The present invention can effectively reduce the impact that electromotor pair carries out the air themperature of heat exchange with radiator, such that it is able to more fully play the heat dispersion of radiator, improve the cooling effect to piggyback pod, improve cooling effectiveness.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly to a kind of piggyback pod and engineering truck
?.
Background technology
Sliding loader, also known as Multifunction machineshop truck, are a kind of using both sides wheel linear differential
And realize the engineering truck of glide steering.Sliding loader has compact conformation, flexible movements etc.
Feature, in operation field quick-replaceable or can mount various equipments, this is so that it can fit
Should different working environments and job content, go for infrastructure construction, construction site,
Narrow space, the job content such as in plant floor, warehouse, harbour, ship's deck or even cabin
The occasion of frequent changes.
At present, sliding loader adopts the layout structure shown in Fig. 1 mostly, sets before driver's cabin
Different equipments installed by meter, meet different engineering construction demands；Then set after driver's cabin
Put piggyback pod, inside piggyback pod, be disposed with the devices such as electromotor, fan and radiator, and due to
Sliding loader piggyback pod is more compact, and considers car load travel direction, and fan is often using blowing
Wind fan, radiator is arranged on fan, positioned at the rear end of piggyback pod.Additionally, as Fig. 1
Shown, sliding loader also includes air inlet 1 ' and air outlet 5 ', and wherein, air inlet 1 ' sets
It is placed between the left hatch cover 2 ' of driver's cabin and piggyback pod and right hatch cover 3 ' and be distributed in whole machine both sides,
Air outlet 5 ' is then arranged in rear hatch cover 4 ', and so in the presence of fan, air can be from
The air inlet 1 ' of whole machine both sides enter in piggyback pod and with radiator heat exchange after from rear hatch cover 4 '
Air outlet 5 ' flow out piggyback pod, realize cooling to piggyback pod.
This existing power cabin structure although the preferable guide functions to air can be realized,
But because layout structure is excessively simple, cooling performance and noise elimination noise reduction performance are poor, main table
The following aspects now：
(1) air inlet 1 ' is located at piggyback pod front end, is entered in piggyback pod by air inlet 1 '
Air could be with radiator heat exchange after will first passing through the heating of engine surface, and this results in inflow
The air themperature of radiator is higher, so that the performance of radiator heat-dissipation performance, shadow can be constrained
Ring the radiating effect of radiator, reduce the cooling effectiveness to piggyback pod, shorten sliding loader
Service life.
(2) air inlet 1 ' and air outlet 5 ' place be not provided with any noise elimination noise reduction structure it is impossible to
Reduce via air inlet 1 ' and air outlet 5 ' making an uproar to piggyback pod external communication inside piggyback pod
Sound intensity, leads to the noise radiation of piggyback pod more serious.
(3), all using punch structure, incoming air area is little, wind for air inlet 1 ' and air outlet 5 '
Resistance is larger, and impact flows into and out the air mass flow of piggyback pod, and then can affect cooling effect.
It can be seen that, existing power cabin structure, layout designs are excessively simple, and windage is larger, with dissipate
The air themperature that hot device carries out heat exchange is higher, car load thermal balance poor-performing, car load environment allowable
Temperature is relatively low, and air inlet and air outlet all no denoising structures, and noise radiation is more serious.
Content of the invention
A technical problem to be solved by this invention is：Existing piggyback pod, its electromotor can rise
The temperature of the high air carrying out heat exchange with radiator, the cooling effect of impact piggyback pod.
In order to solve above-mentioned technical problem, first aspect present invention provides a kind of piggyback pod, its
Inside has been sequentially arranged electromotor, fan and radiator from front to back, and it include separation structure,
Air inlet and air outlet, wherein, separation structure is arranged between electromotor and fan and by power
Cabin is divided into the enging cabin being disposed with electromotor and the cooling cabin being disposed with fan and radiator；
Air inlet is arranged at the rear of separation structure, for connecting the inside of cooling cabin and the outer of cooling cabin
Portion, to enable air to enter inside the warp of cooling cabin in the presence of fan via air inlet
Flow out to the outside of cooling cabin by air outlet.
Alternatively, the surface of separation structure is provided with thermal insulation layer and/or sound absorbing layer.
Alternatively, the surface of the close engine side of separation structure is provided with thermal insulation layer, and/
Or, the surface away from engine side of separation structure is provided with sound absorbing layer.
Alternatively, piggyback pod also includes denoising structure, and denoising structure is used for reducing via air inlet
And/or air outlet from the inside of piggyback pod to the noise intensity of the external communication of piggyback pod.
Alternatively, denoising structure includes air intake denoising structure, and air intake denoising structure is used for reducing warp
From air inlet from the inside of piggyback pod the noise intensity to the external communication of piggyback pod；Air intake noise reduction
Structure includes the noise elimination cavity with opening, air inlet by noise elimination cavity connect cooling cabin inside with
The outside of cooling cabin.
Alternatively, air inlet is arranged on the side wall of noise elimination cavity, and air inlet is arranged at opening
On the adjacent or relative side wall of noise elimination cavity.
Alternatively, the hatch cover of piggyback pod has chamber, and noise elimination cavity is the chamber of hatch cover.
Alternatively, air intake denoising structure also includes sound-absorbing structure, and sound-absorbing structure is arranged at noise elimination cavity
Inside, for absorb via noise elimination cavity from the inside of piggyback pod to the external communication of piggyback pod
Noise.
Alternatively, sound-absorbing structure includes sound absorbing layer, and sound absorbing layer is pasted on the inwall of noise elimination cavity.
Alternatively, air outlet includes coaming plate and at least one bending plate with hollow space, extremely
A few bending plate is arranged to form at least two air-out runners in the hollow space of coaming plate, folding
Bent plate is through being bent to form at least one times.
Alternatively, bending plate is bent to form through at least twice.
Alternatively, bending plate includes the first flap, intermediate plate and the second flap, the first flap and
Second flap is respectively relative to intermediate plate and bends round about.
Alternatively, bending plate is used distinguished and admirable road and is tilted obliquely upward.
Alternatively, the bending angle of bending plate is 100 °～170 °.
Alternatively, the hatch cover of piggyback pod includes left hatch cover, right hatch cover and rear hatch cover, and air inlet sets
It is placed at least one of left hatch cover and right hatch cover, air outlet is arranged in rear hatch cover.
Alternatively, air outlet has a contact site contacting with radiator, contact site and radiator it
Between be provided with sealing structure.
Second aspect present invention additionally provides a kind of engineering truck, and it includes the engineering truck of the present invention
?.
Alternatively, this engineering truck is sliding loader.
Piggyback pod is divided into enging cabin and cold by arranging separation structure by the piggyback pod of the present invention
But cabin, and air inlet is arranged at the cooling cabin at electromotor rear, due to so that air is straight
Tap into and carry out heat exchange into cooling cabin and radiator, and need not first flow through enging cabin by electromotor completely
Heating, and the direct heat radiation to cooling cabin for the engine surface temperature can be separated, therefore can have
Effect reduces the impact that electromotor pair carries out the air themperature of heat exchange with radiator, such that it is able to more fill
Divide ground to play the heat dispersion of radiator, improve the cooling effect to piggyback pod, improve cooling effectiveness.
Additionally, separation structure can also play buffer action to the noise of electromotor, reduce making an uproar of electromotor
Sound via air inlet and air outlet to piggyback pod outside radiation.
By being described in detail to the exemplary embodiment of the present invention referring to the drawings, this
Bright further feature and its advantage will be made apparent from.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will
The accompanying drawing of required use in embodiment or description of the prior art is briefly described it is clear that
Ground, drawings in the following description are only some embodiments of the present invention, the common skill for this area
For art personnel, without having to pay creative labor, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 illustrates integral structure layout's figure of the piggyback pod of sliding loader in prior art.
Fig. 2 illustrates the overall structure cloth of the piggyback pod of the sliding loader of one embodiment of the invention
Office's figure.
Fig. 3 illustrates the partial sectional view of the left hatch cover of the piggyback pod in embodiment illustrated in fig. 2.
Fig. 4 illustrates the internal structure layout of the piggyback pod in embodiment illustrated in fig. 2.
Fig. 5 illustrates the structural representation of the rear hatch cover of the piggyback pod in embodiment illustrated in fig. 2.
Fig. 6 illustrates the structural representation of the bending plate in Fig. 5.
In figure：
1 ', air inlet；2 ', left hatch cover；3 ', right hatch cover；4 ', rear hatch cover；5 ', air-out
Mouthful；
11st, left hatch cover；12nd, right hatch cover；13rd, rear hatch cover；
2nd, air inlet；
3rd, air outlet；31st, coaming plate；32nd, bending plate；321st, the first flap；322nd, in
Between plate；323rd, the second flap；33rd, sealing structure；
41st, noise elimination cavity；411st, opening；42nd, sound absorbing layer；
5th, oiling velar plate；6th, electromotor；7th, fan；8th, radiator；9th, dividing plate；
I, enging cabin；II, cooling cabin.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention
It is clearly and completely described it is clear that described embodiment is only present invention part reality
Apply example, rather than whole embodiments.Description at least one exemplary embodiment is real below
It is merely illustrative on border, never as any limit to the present invention and its application or use
System.Based on the embodiment in the present invention, those of ordinary skill in the art are not carrying out creative labor
The every other embodiment being obtained under the premise of dynamic, broadly falls into the scope of protection of the invention.
May not make in detail for technology, method and apparatus known to person of ordinary skill in the relevant
Thin discussion, but in the appropriate case, described technology, method and apparatus should be considered to authorize to be said
A part for bright book.
In describing the invention it is to be understood that using " first ", " second " etc.
Word is limiting parts, it is only for is easy to corresponding parts are distinguished, does not such as have
Stated otherwise, above-mentioned word does not have particular meaning, therefore it is not intended that protecting to the present invention
The restriction of scope.Additionally, noun of locality such as " forward and backward, upper and lower, left and right " etc. is indicated
Orientation or position relationship be all based on car load travel direction definition, wherein, with car load advance
Direction is " front ", with car load direction of retreat for " afterwards ".
Fig. 2-6 shows that the layout structure of the piggyback pod of an embodiment provided by the present invention shows
It is intended to.Reference picture 2-6, piggyback pod provided by the present invention, cloth successively from front to back inside it
It is equipped with electromotor 6, fan 7 and radiator 8, and it includes separation structure, air inlet 2 and
Air outlet 3, wherein, separation structure is arranged between electromotor 6 and fan 7 and by piggyback pod
It is divided into the enging cabin I being disposed with electromotor 6 and be disposed with the cold of fan 7 and radiator 8
But cabin II；Air inlet 2 is arranged at the rear of separation structure, for connecting in cooling cabin II
Portion and the outside of cooling cabin II, to enable air in the presence of fan 7 via air inlet
2 enter the inside of cooling cabin II and flow to the outside of cooling cabin II via air outlet 3.
With reference to Fig. 2 and Fig. 4, the piggyback pod of the present invention, by arranging separation structure by piggyback pod 6
It is divided into enging cabin I and cooling cabin II, and air inlet 2 is arranged at the cold of electromotor 6 rear
But at the II of cabin, due to so that air is directly entered cooling cabin II and radiator 8 carries out heat exchange,
And need not first flow through enging cabin I completely again and be heated by electromotor 6, and electromotor 6 can be separated
The direct heat radiation to cooling cabin II for the surface temperature, therefore can effectively reduce electromotor 6 to
Radiator 8 carries out the impact of the air themperature of heat exchange, such that it is able to more fully play radiator
8 heat dispersion, improves the cooling effect to piggyback pod, improves cooling effectiveness.Additionally, separating
Structure can also play buffer action to the noise of electromotor 6, reduce the noise of electromotor 6 via
The radiation outside to piggyback pod of air inlet 2 and air outlet 3.It can be seen that, dynamic with respect to prior art
Power cabin, the piggyback pod of the present invention not only can realize more preferable cooling effect, improves the whole of piggyback pod
Body heat balance performance, improves the ambient temperature allowable of piggyback pod, and can reduce via air inlet
2 and noise radiation outside to piggyback pod for the air outlet 3, improve the noise elimination noise reduction effect of piggyback pod.
Further, in order to solve in prior art because air outlet is caused by punch structure
The larger problem of windage, with reference to Fig. 5, the air outlet 3 of the present invention is absolutely empty in can including having
Between coaming plate 31 and at least one bending plate 32, at least one bending plate 32 is arranged at coaming plate
To form at least two air-out runners in 32 hollow space, bending plate 32 is through at least one times
It is bent to form.The air-out runner of this air outlet 3 is separated to form by bending plate 32, air-out area
Bigger, windage is less, is conducive to the increase of piggyback pod air mass flow, and it is right to improve further
The cooling effect of piggyback pod；And setting bending plate 32 can also play good water conservancy diversion to air
Effect, this is also beneficial to improve the cooling effect to piggyback pod.Wherein preferably, bending plate
32 are bent to form through at least twice, so can play more preferable air conducting effect, and
It is also beneficial to the noise radiation of less piggyback pod.
The hatch cover of piggyback pod generally includes hatch cover, lower hatch cover (is filled by vehicle frame in some cases
When), left hatch cover 11, right hatch cover 12 and after hatch cover 13.In the present invention, with reference to Fig. 2 and
Fig. 3, air inlet 2 can be arranged at least one of left hatch cover 11 and right hatch cover 12,
Air outlet 3 then can be arranged in rear hatch cover 13, and such air enters cooling from whole machine both sides
The inside of cabin II, carries out, after heat exchange, flowing out to cooling from piggyback pod rear portion with radiator 8
The outside of cabin II, due to fan blowing can be selected using fan during this arrangement 7,
Therefore, it can take less piggyback pod inner space, piggyback pod space can made full use of
On the basis of, realize significantly more efficient ventilating and cooling effect, this arrangement is particularly suited for
The more compact piggyback pod of structure (piggyback pod of such as sliding loader)；Certainly, air inlet
2 and the arrangement of air outlet 3 be not limited thereto, for example, air inlet 2 can also be arranged
In upper hatch cover and/or lower hatch cover；Again for example, air inlet 2 can also be arranged on rear hatch cover 13
On, air outlet 3 can be arranged on hatch cover, lower hatch cover, left hatch cover 11 and right hatch cover simultaneously
On at least one of 12.
Additionally, in order to solve the problems, such as that in prior art, piggyback pod noise radiation is serious further,
The piggyback pod of the present invention can also include denoising structure, and this denoising structure is used for reducing via air intake
Mouthfuls 2 and/or air outlet 3 from the inside of piggyback pod to the noise intensity of the external communication of piggyback pod.
The piggyback pod of so present invention not only can realize good cooling effect, extends electromotor etc. dynamic
The service life of power cabin internal structure, and noise radiation can be reduced by denoising structure,
Mitigate the sound pollution caused by piggyback pod.
And in order to realize reducing via air inlet 2 from the inside of piggyback pod to the outside of piggyback pod
The purpose of the noise intensity propagated, the denoising structure of the present invention can include air intake denoising structure,
With reference to Fig. 3, this air intake denoising structure can include the noise elimination cavity 41 with opening 411, air intake
Mouth 2 connects the inside of cooling cabin II and the outside of cooling cabin II by this noise elimination cavity 41.Base
In this setting, not only can ensure that air can enter via air inlet 2 and noise elimination cavity 41 cold
But take away the heat in cooling cabin II inside the II of cabin, and noise is outside via air inlet 2
During propagation, need to be in the lump through noise elimination cavity 41, because noise elimination cavity 41 can make noise send out wherein
Give birth to reflection and interference etc., namely noise elimination cavity 41 can change the propagation characteristic of noise, obstruction is made an uproar
Acoustic energy is outwards propagated, and therefore, noise elimination cavity 41 can reduce via air inlet 2 from piggyback pod
The internal noise intensity to piggyback pod external communication, reduces noise radiation, mitigates sound pollution.
Further, in order to realize more preferable noise elimination noise reduction effect, this air intake denoising structure also may be used
To include sound-absorbing structure, this sound-absorbing structure is arranged at the inside of noise elimination cavity 41, for absorbing warp
From noise elimination cavity 41 from the inside of piggyback pod the noise to the external communication of piggyback pod.This sound-absorbing is tied
Structure can be the structures such as the sound absorbing layer 42 be made up of sound-absorbing porous material, using porous sound absorption material
Acoustic energy is converted into heat energy to the friction of sound wave and damping action by material, reaches the mesh of noise elimination noise reduction
's.The air intake denoising structure of so present invention both can be rolled over to noise using noise elimination cavity 41
Penetrate and launch, using sound-absorbing structure, noise can be absorbed again, thus it can be further
Reduce the noise radiation of piggyback pod, realize better noise elimination noise reduction effect.
In fact, as this propagation characteristic by changing sound wave of noise elimination cavity 41 reduces noise
The device of intensity is referred to as reactive muffling device, and it is particularly suited for eliminating the arrowband of low and medium frequency and makes an uproar
Sound；And as sound-absorbing structure this by noise intensity is reduced to the friction of sound wave and damping action
Device be referred to as resistance noise reduction device, its be particularly suited for eliminate high-frequency noises.It can be seen that,
In the case of including noise elimination cavity 41 and sound-absorbing structure, the air intake denoising structure of the present invention is real simultaneously
A kind of impedance complex silencing apparatus are become on border, it can be in the scope of low frequency, intermediate frequency and high frequency
Inside all realize good noise reduction, can more efficiently decay via air inlet 2 to power
The noise radiation in portion out of my cabin.
In the present invention, air inlet 2 by noise elimination cavity 41 connect cooling cabin II inside with cold
But the outside of cabin II, as one of which embodiment, noise elimination cavity 41 can be arranged on air intake
The side of mouthfuls 2 inside of close cooling cabin II, namely noise elimination cavity 41 is arranged on air inlet 2
Inner side, air inlet 2 connection external environment condition and noise elimination cavity 41, and noise elimination cavity 41 then passes through it
Opening 411 is connected with the inside of cooling cabin II, and such extraneous air is first entered by air inlet 2
Noise elimination cavity 41, then entered inside cooling cabin II by the opening 411 of noise elimination cavity 41, thus real
Internal with the outside connection of existing cooling cabin II；And as wherein another embodiment, reference
Shown in Fig. 3, noise elimination cavity 41 can also be arranged on the inside away from cooling cabin II of air inlet 2
Side, namely noise elimination cavity 41 is arranged on the outside of air inlet 2, and noise elimination cavity 41 is opened by it
Mouth 411 is connected with external environment condition, and air inlet 2 is connected with the inside of cooling cabin II, and eliminates the noise
Chamber 41 is connected with air inlet 2, and such extraneous air is first via the opening 411 of noise elimination cavity 41
Enter noise elimination cavity 41, then the inside via air inlet 2 entrance cooling cabin II, equally can be real
Internal with the outside connection of existing cooling cabin II.
And the connection between air inlet 2 and noise elimination cavity 41, both can by air inlet 2 with
Between noise elimination cavity 41, setting connecting pipeline etc. is realized it is also possible to be set directly at air inlet 2
On the side wall of noise elimination cavity 41.Wherein, in order that structure is simpler compact, preferably passing through will
Air inlet 2 is set directly to realize air inlet 2 and noise elimination cavity 41 on the side wall of noise elimination cavity 41
Between connection, in this case, air inlet 2 and opening 411 may be contained within noise elimination cavity
On 41 side wall, the two may be located on the relative side wall of noise elimination cavity 41, and the two can
With direct be aligned setting or the setting that offsets one from another, the setting that wherein offsets one from another is made an uproar due to increasing
Refraction in noise elimination cavity 41 for the sound and reflection etc., therefore, it is possible to realize more more preferable noise reduction
Effect；But it is highly preferred that with reference to Fig. 3, air inlet 2 and opening 411 can be arranged at noise elimination
On the adjacent side wall in chamber 41, such noise needs to send out in noise elimination cavity 41 in outside propagation
Raw more refraction and reflection, such that it is able to reduce noise radiation further, improve noise elimination noise reduction
Effect.
Additionally, the noise elimination cavity 41 of the present invention can be to increase in the existing hatch cover structure of piggyback pod
If cavity body structure, but in order that the structure of piggyback pod is simpler compact, as a kind of preferably
Embodiment, the hatch cover of the piggyback pod of the present invention has chamber, and noise elimination cavity 41 is this cabin
Cover chamber, in this embodiment, due to can directly by the use of hatch cover chamber as noise elimination
Chamber 41, and new cavity body structure need not be set up again, therefore can effectively reduce in piggyback pod
Portion or the occupancy of space outerpace, and can save piggyback pod be designed and manufactured as this, this reality
The mode of applying is particularly suited for the piggyback pod that hatch cover itself has chamber, such as sliding loader
Piggyback pod, its left hatch cover 11 and right hatch cover 12 itself have chamber.
The present invention is described further with reference to the embodiment shown in Fig. 2-6.
As shown in figures 2-6, in this embodiment, piggyback pod is the piggyback pod of sliding loader,
This piggyback pod is arranged at the rear of driver's cabin, and it includes hatch cover, piggyback pod internal structure, ventilation
Structure and air inlet denoising structure.
Hatch cover is fixed on vehicle frame and encloses, with vehicle frame etc., the inner space forming piggyback pod.As figure
Shown in 2, in this embodiment, hatch cover includes left hatch cover 11, right hatch cover 12 and rear hatch cover 13,
Wherein, understand in conjunction with Fig. 2 and Fig. 3, left hatch cover 11 and right hatch cover 12 are tied all in hollow box body
Structure, that is, the two is respectively provided with chamber, and the two is equipped with oiling cover plate 5 in oiling position.
Piggyback pod internal structure refers to be arranged in each dress of piggyback pod internal (i.e. the inside of hatch cover)
Put.As shown in figure 4, in this embodiment, piggyback pod internal structure includes electromotor 6, makees
For the dividing plate 9 of separation structure, fan 7 and radiator 8, wherein, electromotor 6, dividing plate 9,
Fan 7 and radiator 8 are arranged from front to back, that is, electromotor 6 is arranged near driver's cabin,
Radiator 8 is arranged near rear hatch cover 13, and fan 7 is fan blowing and is arranged at electromotor 6
And radiator 8 between, and dividing plate 9 is then arranged between electromotor 6 and fan 7.And,
As shown in Figure 4, enging cabin is divided into piggyback pod I and cooling cabin II by dividing plate 9, wherein,
Piggyback pod I is the cabin being disposed with electromotor 6, positioned at the front of dividing plate 9；Cooling cabin II
It is then positioned at the cabin being disposed with fan 7 and radiator 8, positioned at the rear of dividing plate 9.
Aeration structure is that it makes outside for connecting the inside of piggyback pod and the structure of external environment condition
Air can enter piggyback pod inside and flow out to outside piggyback pod after taking away heat therein.As
Shown in Fig. 2 and Fig. 3, in this embodiment, aeration structure includes air inlet 2 and air outlet 3,
Wherein, air inlet 2 is arranged in left hatch cover 11 and right hatch cover 12, and air outlet 3 is then arranged
In rear hatch cover 13, such air can enter dynamic in the presence of fan 7 from whole machine both sides
Power cabin is internal and flows out to outside piggyback pod from rear side.
Understand, in this embodiment, along fore-and-aft direction, air inlet 2 is located in conjunction with Fig. 2-4
The rear of dividing plate 9, namely its be located at electromotor 6 rear cooling cabin II at, for connecting
The inside of cooling cabin II and the outside of cooling cabin II, to enable air to the effect in fan 7
Under enter the inside of cooling cabin II via air inlet 2 and flow out to cooling cabin via air outlet 3
The outside of II.
Electromotor 6 is separated with radiator 8 by this embodiment using dividing plate 9, and by air intake
Mouthfuls 2 are arranged at cooling cabin II at electromotor 6 rear, so on the one hand make air entirely without
Enging cabin need to first be flowed through again to be heated by electromotor 6, and cooling cabin II can be directly entered and dissipate
Hot device 8 carries out heat exchange, and accordingly, with respect to power cabin structure of the prior art, this embodiment can
With effective reduce electromotor 6 to the direct rising with the air themperature of radiator 8 heat exchange so that with
The air that radiator 8 carries out heat exchange has relatively low temperature, so that air being capable of more areas
Walk the heat of radiator 8, realize more preferable cooling effect, and this also allows for more fully sending out
Wave the heat dispersion of radiator 8；On the other hand, it is integrated even with respect to piggyback pod in prior art
The situation of logical cabin structure, piggyback pod 6 is divided into enging cabin by this embodiment setting dividing plate 9
I and cooling cabin II it is also possible to effectively reduce the heat radiation to cooling cabin II for electromotor 6 surface temperature,
Such that it is able to reduce electromotor 6 to the indirect rising with the air themperature of radiator 8 heat exchange, and then
Radiating effect can be improved further, improve cooling effectiveness；Another further aspect, because electromotor 6 is
One of Main Noise Sources of piggyback pod, using dividing plate 9 by electromotor 6 and air inlet 2 and air outlet
3 separate, and can also play more fully buffer action to the noise of electromotor 6, reduce
The noise of electromotor 6 via air inlet 2 and air outlet 3 to piggyback pod outside radiation.It can be seen that,
With respect to the piggyback pod of prior art, the piggyback pod of this embodiment not only can more effectively avoid sending out
Motivation 6, to the impact with the air themperature of radiator 8 heat exchange, is realized more preferable cooling effect, is changed
The overall thermal balance quality of kind piggyback pod, improves the ambient temperature allowable of piggyback pod, and can subtract
Few via air inlet 2 and air outlet 3 to piggyback pod outside noise radiation, improve disappearing of piggyback pod
Sound noise reduction.
In order that dividing plate 9 can play preferably heat-insulated and/or noise isolating sound effective value, can every
Setting thermal insulation layer and/or sound absorbing layer on the surface of plate 9.For example, in this embodiment, dividing plate
The surface of 9 close electromotor 6 side is provided with thermal insulation layer, so can reduce further and send out
The impact to cooling cabin II for the heat of motivation 6 is it is possible to extend the service life of dividing plate 9.
Additionally, the surface of close fan 7 side of dividing plate 9 is provided with sound absorbing layer, because sound absorbing layer can
Absorbed with the noise to cooling cabin II, especially this sound-absorbing leafing fan 7 is relatively near, and wind
Fan 7 is another Main Noise Sources in piggyback pod again, therefore passes through the close fan 7 in dividing plate 9
This sound absorbing layer is arranged on the surface of side and preferably can reduce noise radiation, improve noise elimination noise reduction
Effect.
Air inlet denoising structure is used for reducing via air inlet 2 from the inside of piggyback pod to power
The noise intensity of the external communication in cabin.In this embodiment, it is arranged at left hatch cover 11 and right cabin
It is equipped with identical air inlet denoising structure at air inlet 2 on cover 12, and for the side of description
Just, below only taking the air inlet denoising structure at the air inlet 2 being arranged on left hatch cover 11 as a example
Illustrate.As shown in figure 3, in this embodiment, air inlet denoising structure is impedance complex
Silencing apparatus, it includes noise elimination cavity 41 and the sound absorbing layer 42 as sound-absorbing structure, wherein, disappears
The operatic tunes 41 is the chamber of left hatch cover 11, front side wall (the as left hatch cover of this noise elimination cavity 41
The side wall of the close driver's cabin side of 11 chamber) it is provided with opening 411, meanwhile, air inlet
On 2 right side walls being arranged on this noise elimination cavity 41, the inside of such external environment condition and cooling cabin II
Just pass sequentially through opening 411, noise elimination cavity 41 is internal and air inlet 2 achieves and is interconnected；
Sound absorbing layer 42 is pasted on noise elimination cavity 41 inwall, for absorbing via noise elimination cavity 41 from power
The noise of the external communication to piggyback pod for the inside in cabin.Based on this setting, not only extraneous air can
To enter cooling cabin II via noise elimination cavity 411 and air inlet 2 successively in the presence of fan 7
Inside, it is ensured that extraneous air can take away the heat in cooling cabin II, is realized piggyback pod is entered
The purpose of row cooling；And, noise also has to pass through when outwards propagating via air inlet 2 and disappears
The operatic tunes 41, so not only the noise of low and medium frequency can be because of the reflection of noise elimination cavity 41 and refraction action
And intensity decreases, the noise of high frequency is as the suction that is pasted on noise elimination cavity 41 inwall
The Absorption of sound-absorbing layer 42 and intensity decreases, thereby may be ensured that the piggyback pod of this embodiment exists
All it is capable of good noise reduction in the broadband range of low frequency tremendously high frequency, so more efficient
Ground decay via noise intensity from air inlet 2 to piggyback pod external radiation.
Air inlet 2 and opening 411 are arranged on the relative side wall of noise elimination cavity 41 by this embodiment
Above so that noise has longer propagation via air inlet 2 and noise elimination cavity 41 when outwards propagating
Path, refraction and order of reflection increase, and are thus advantageous to realize better noise reduction.
Additionally, air inlet 2 is arranged on the right side wall within noise elimination cavity 41 and opening 411 is arranged at
On the front side wall of noise elimination cavity 41, as shown in Fig. 2 air inlet 2 and opening 411 are arranged at
More hidden position, this also makes complete machine structure more neat appearance；And, in conjunction with Fig. 3
Understand with Fig. 4, in this case, the equipment of sliding loader can directly by with
Opening 411 hinged realizing its mounting with whole machine it is seen then that this embodiment split shed 411
Also allow for the arrangement of the whole machine of sliding loader with the arrangement of air inlet 2, sliding can be made to fill
The overall structure of carrier aircraft is simpler compact.
As shown in figure 3, in this embodiment, opening 411 and air inlet 2 are all no longer using punching
Pore structure, and adopt many opening forms, such incoming air area is bigger, and windage is less, is conducive to
Increase the air mass flow entering within cooling cabin II.And, as Fig. 2, Fig. 5 and Fig. 6 institute
Show, in this embodiment, air outlet 3 also no longer adopts punch structure, and it is included with hollow
The coaming plate 31 in space and multiple bending plate 32, multiple bending plates 32 are arranged in coaming plate 32
To form multiple air-out runners in absolutely empty, bending plate 32 is bent to form through twice, so
Air outlet 3 entirety making this embodiment is in shutter, and air-out area is bigger, and windage is more
Little, can discharge more quickly and the hot-air after radiator 8 heat exchange, therefore be also beneficial to
Increase the air mass flow of cooling cabin II.Additionally, combine Fig. 4 and Fig. 5 understanding, in this enforcement
In example, coaming plate 31 is integrally close to radiator 8 surface together with rear hatch cover 13, namely coaming plate
31 is the contact site contacting with radiator 8 of blowing mouth 3, so can make the knot of piggyback pod
Structure is more compact, and the confined space meeting sliding loader piggyback pod requires, and in order that piggyback pod
There is more preferable obturation effect, reduce noise further to external radiation, coaming plate 31 and radiator
It is additionally provided with sealing structure 33, this sealing structure 33 can be rubber seal or sealing between 8
Adhesive tape etc..
The bending plate 32 that this embodiment is adopted, its benefit also resides in, and air can be played
Good guide functions, as shown in Fig. 2 bending plate 32 uses distinguished and admirable road in this embodiment
Tilt obliquely upward, namely bending plate 32 guiding air flow out to outside piggyback pod from oblique upper,
Based on this, because bending plate 32 can guide interior noise into oblique upper, therefore can avoid
Power interior noise is directly transmitted to whole machine Background Region, reduces piggyback pod Background Noise value, and
It is also beneficial to improve the cooling effect to piggyback pod；And limited by space arrangement, this embodiment exists
It is not provided with the air outlet denoising structure similar with air inlet denoising structure at air outlet 3, but pass through
This bending plate 32 is set and can also reduce the noise intensity posteriorly being radiated by air outlet 3.As
Shown in Fig. 6, in this embodiment, bending plate 32 includes the first flap 321, intermediate plate 322
With the second flap 323, the first flap 321 and the second flap 323 are respectively relative to intermediate plate 322
(the such as second flap 323 is folded upward at and the first flap 321 is turned under for bending round about
Roll over, namely bending plate 32 make air flow channel tilt obliquely upward), and the bending of bending plate 32
Angle [alpha] is preferably 100 °～170 °, so can either ensure air is had less air
Resistance, can play preferable air conducting effect again and noise elimination noise reduction acts on additionally it is possible to make folding
Bent plate 32 has higher intensity, so that piggyback pod is being reduced flow passage resistance force of waterproof, to improve noise
With this three aspect of structural strength all reach comparatively ideal effect.
It can be seen that, the power cabin structure of this embodiment, simple and compact for structure it is easy to processing and manufacturing,
Cost is relatively low, and windage is less, and the air themperature carrying out heat exchange with radiator is relatively low, has
Preferably ventilating and cooling effect, more preferably, car load ambient temperature allowable is higher for car load thermal balance performance；
Meanwhile, noise radiation is less, has more preferable noise elimination noise reduction effect.Application on instruction carriage
Test shows, this power cabin structure can improve the ambient temperature allowable 5 of sliding loader～
8 DEG C it is possible to reduce outside radiated noise 2～3dB (A), dB (A) table herein
Show A sound level, that is, use sound meter or surveyed through A weighting network with the measuring instrument equivalent with this
The noise level trying out.
The piggyback pod of the present invention goes for various engineering trucks, is wherein particularly suited for sliding
The piggyback pod layout designs such as loader are excessively simple and the more compact engineering truck of power cabin structure
?.
Therefore, present invention also offers a kind of engineering truck, such as sliding loader, it includes
The piggyback pod of the present invention.
The foregoing is only the exemplary embodiment of the present invention, not in order to limit the present invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement made etc., all should
It is included within protection scope of the present invention.
Claims (18)
1. a kind of piggyback pod, the inside of described piggyback pod has been sequentially arranged electromotor from front to back
(6), fan (7) and radiator (8) are it is characterised in that described piggyback pod includes separating
Structure, air inlet (2) and air outlet (3), wherein, described separation structure is arranged on described
Between electromotor (6) and described fan (7) and described piggyback pod is divided into be disposed with and starts
The enging cabin (I) of machine (6) and be disposed with fan (7) and the cooling cabin of radiator (8)
(II)；Described air inlet (2) is arranged at the rear of described separation structure, described for connecting
The inside of cooling cabin (II) and the outside of described cooling cabin (II), to enable air in institute
Described cooling cabin (II) is entered via described air inlet (2) in the presence of stating fan (7)
Internal and flow out to described cooling cabin (II) via described air outlet (3) outside.
2. piggyback pod according to claim 1 is it is characterised in that described separation structure
Surface be provided with thermal insulation layer and/or sound absorbing layer.
3. piggyback pod according to claim 2 is it is characterised in that described separation structure
The surface of close described electromotor (6) side be provided with thermal insulation layer, and/or, described separation
The surface away from described electromotor (6) side of structure is provided with sound absorbing layer.
4. according to the arbitrary described piggyback pod of claim 1-3 it is characterised in that described move
Power cabin also includes denoising structure, described denoising structure be used for reducing via described air inlet (2) and
/ or described air outlet (3) from the inside of described piggyback pod to the external communication of described piggyback pod
Noise intensity.
5. piggyback pod according to claim 4 is it is characterised in that described denoising structure
Including air intake denoising structure, described air intake denoising structure is used for reducing via described air inlet (2)
From the inside of described piggyback pod to the noise intensity of the external communication of described piggyback pod；Described air intake
Denoising structure includes the noise elimination cavity (41) with opening (411), and described air inlet (2) is led to
Cross described noise elimination cavity (41) and connect the inside of described cooling cabin (II) and described cooling cabin (II)
Outside.
6. piggyback pod according to claim 5 is it is characterised in that described air inlet (2)
It is arranged on the side wall of described noise elimination cavity (41), and described air inlet (2) and described opening (411)
It is arranged on the adjacent or relative side wall of described noise elimination cavity (41).
7. piggyback pod according to claim 6 is it is characterised in that described piggyback pod
Hatch cover has chamber, and described noise elimination cavity (41) is the chamber of described hatch cover.
8. piggyback pod according to claim 5 is it is characterised in that described air intake noise reduction
Structure also includes sound-absorbing structure, and described sound-absorbing structure is arranged at the inside of described noise elimination cavity (41),
For absorbing via described noise elimination cavity (41) from the inside of described piggyback pod to described piggyback pod
The noise of external communication.
9. piggyback pod according to claim 8 is it is characterised in that described sound-absorbing structure
Including sound absorbing layer (42), described sound absorbing layer (42) is pasted on the interior of described noise elimination cavity (41)
On wall.
10. according to the arbitrary described piggyback pod of claim 1-3 it is characterised in that described go out
Air port (3) includes coaming plate (31) and at least one bending plate (32) with hollow space,
Described at least one bending plate (32) is arranged in the hollow space of described coaming plate (32) with shape
Become at least two air-out runners, described bending plate (32) is through being bent to form at least one times.
11. piggyback pods according to claim 10 are it is characterised in that described bending plate
(32) it is bent to form through at least twice.
12. piggyback pods according to claim 11 are it is characterised in that described bending plate
(32) the first flap (321), intermediate plate (322) and the second flap (323), institute are included
State the first flap (321) and described second flap (323) is respectively relative to described intermediate plate (322)
Bend round about.
13. piggyback pods according to claim 10 are it is characterised in that described bending plate
(32) described air-out runner is made to tilt obliquely upward.
14. piggyback pods according to claim 10 are it is characterised in that described bending plate
(32) bending angle (α) is 100 °～170 °.
15. according to the arbitrary described piggyback pod of claim 1-3 it is characterised in that described dynamic
The hatch cover in power cabin includes left hatch cover (11), right hatch cover (12) and rear hatch cover (13), described
Air inlet (2) is arranged at least in described left hatch cover (11) and described right hatch cover (12)
On individual, described air outlet (3) is arranged on described rear hatch cover (13).
16. piggyback pods according to claim 15 are it is characterised in that described air outlet (3)
There is the contact site contacting with described radiator (8), described contact site and described radiator (8)
Between be provided with sealing structure (33).
A kind of 17. engineering trucks are it is characterised in that include as arbitrary in claim 1-16 described
Engineering truck.
18. engineering trucks according to claim 17 are it is characterised in that described engineering truck
Be sliding loader.
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| CN201610375822.7A CN106476612B (en) | 2016-05-31 | 2016-05-31 | Piggyback pod and engineering truck |
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| CN201610375822.7A CN106476612B (en) | 2016-05-31 | 2016-05-31 | Piggyback pod and engineering truck |
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| CN106476612B CN106476612B (en) | 2019-09-24 |
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| CN108501690A (en) * | 2018-05-11 | 2018-09-07 | 浙江鼎力机械股份有限公司 | The cooling system of engine nacelle |
| CN109665088A (en) * | 2017-10-17 | 2019-04-23 | 空中客车运营公司 | The landing gear compartment top for aircraft including inclined rear bulkhead |
| CN114701352A (en) * | 2022-04-25 | 2022-07-05 | 徐州徐工矿业机械有限公司 | An engine cooling system, method and construction machinery |
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| JP2005319838A (en) * | 2004-05-06 | 2005-11-17 | Hitachi Constr Mach Co Ltd | Construction equipment cooling device arrangement structure |
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|---|---|
| CN106476612B (en) | 2019-09-24 |
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