CN119551085A - A low wind resistance kit for gas tractor - Google Patents
A low wind resistance kit for gas tractor Download PDFInfo
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- CN119551085A CN119551085A CN202411903936.5A CN202411903936A CN119551085A CN 119551085 A CN119551085 A CN 119551085A CN 202411903936 A CN202411903936 A CN 202411903936A CN 119551085 A CN119551085 A CN 119551085A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D35/00—Vehicle bodies characterised by streamlining
- B62D35/001—For commercial vehicles or tractor-trailer combinations, e.g. caravans
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- 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
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/063—Arrangement of tanks
- B60K15/067—Mounting of tanks
- B60K15/07—Mounting of tanks of gas tanks
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Sustainable Energy (AREA)
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Abstract
The invention discloses a low-wind-resistance kit of a gas tractor, which relates to the field of design of gas tractor arrangement schemes and comprises a back assembly, wherein the back assembly comprises a flow guiding unit which is arranged behind a vehicle cab and covered outside a gas cylinder of the vehicle, and a gas cylinder fixing unit which is positioned in the flow guiding unit and the bottom of which is connected with a vehicle frame, the flow guiding unit comprises a supporting framework and a diffusion type guide cover which is positioned outside the supporting framework, the diffusion type guide cover penetrates front and back and one end of the diffusion type guide cover is used for propping against the rear of the vehicle cab, the gas cylinder fixing unit comprises a bottle body placing frame which is connected with the supporting framework and provided with a plurality of vehicle gas cylinder placing spaces, and the apron board assembly comprises two side apron boards which are respectively positioned at the two ends of the bottom of the diffusion type guide cover and are used for connecting the vehicle frame, and the top of the side apron boards are propped against the bottom of the diffusion type guide cover. The wind resistance can be reduced, the turbulent flow of the air flow at the gas cylinder of the vehicle is avoided, and the power of the vehicle is improved.
Description
Technical Field
The invention relates to the field of gas tractor arrangement schemes, in particular to a low wind resistance suite of a gas tractor.
Background
According to studies on influence of air resistance during running of a vehicle at home and abroad, approximately 10% of fuel is used to counter the air resistance during running of the vehicle. It has been shown by a foreign study that the effect of air resistance is negligible when the vehicle speed is below 60km/h, but becomes critical when the vehicle speed exceeds 60km/h or even faster,
The current domestic gas tractors of various brands, in particular to a back gas cylinder which is arranged at the rear part of a cab and exposed outside, and the arrangement of the gas cylinder of the vehicle at the position leads to easy formation of turbulent flow of the gas flow at the position, and meanwhile, the gas flow also enters the vehicle bottom through the position, thereby reducing the running stability of the vehicle and increasing the windage.
Disclosure of Invention
The application provides a low wind resistance kit of a gas tractor, which can solve the technical problems that the back of a cab is easy to form interference air flow and the wind resistance of a traveling crane is increased due to the arrangement of a gas cylinder of a vehicle in the gas tractor of a back gas cylinder in the prior art.
The embodiment of the application provides a low wind resistance kit of a gas tractor, which comprises the following components:
The back assembly comprises a flow guiding unit and a gas bottle fixing unit, wherein the flow guiding unit is arranged behind a vehicle cab and covered outside a vehicle gas bottle, the gas bottle fixing unit is positioned in the flow guiding unit, the bottom of the gas bottle fixing unit is used for being connected with a vehicle frame, the flow guiding unit comprises a supporting framework and a diffusion type flow guide cover positioned outside the supporting framework, the diffusion type flow guide cover is communicated front and back, one end of the diffusion type flow guide cover is used for being propped against the rear of the vehicle cab, and the fixing unit comprises a bottle body placing frame which is connected with the supporting framework and provided with a plurality of vehicle gas bottle placing spaces;
The apron board assembly comprises two side apron boards which are respectively positioned at two ends of the bottom of the diffusion type air guide sleeve and are used for being connected with a frame, and the top of the side apron boards is propped against the bottom of the diffusion type air guide sleeve.
In one embodiment, the supporting framework comprises a top frame and two side frames, wherein the top frame is horizontally arranged, the side frames are arranged along the length direction of the top frame, one side frame is connected with one end of the top frame, and the other side frame is connected with the other end of the top frame.
In one embodiment, the side frames are provided with a plurality of groups of rack connecting units arranged along the height direction of the side frames.
In one embodiment, the rack connecting unit includes rack connecting rods disposed on both sides of the wide sides of the side frame, and the rack connecting rods horizontally extend toward a direction close to the bottle rack and are connected to the sides of the bottle rack.
In one embodiment, a first connecting end is arranged at one end of the rack connecting rod connected with the bottle rack.
In one embodiment, the bottle body placement frame comprises a support riser and a support cross plate positioned on the front surface of the support riser for forming a placement space.
In one embodiment, the two sides of the supporting vertical plate and the side surface of one end of the supporting transverse plate, which is far away from the supporting vertical plate, are respectively provided with a second connecting end matched with the first connecting end.
In one embodiment, the supporting transverse plate is provided with a matching surface for matching with the extrados of the vehicle gas bottle.
In one embodiment, the side skirt plate is provided with a frame connecting unit towards the inner side surface of the frame, the frame connecting unit comprises a plurality of connecting brackets, and the connecting brackets are provided with intervals along the length direction of the side skirt plate.
In one embodiment, the diffusion type air guide sleeve is used for supporting one side behind a vehicle cab, and a sealing unit is arranged between the top of the side skirt plate and the bottom of the diffusion type air guide sleeve.
The technical scheme provided by the embodiment of the application has the beneficial effects that:
1. According to the low wind resistance kit of the gas tractor, one end of the low wind resistance kit is propped against the rear of the vehicle cab and covers the diffusion type air guide sleeve outside the gas cylinder of the vehicle, and the low wind resistance kit is matched with the side skirt board arranged below the diffusion type air guide sleeve, so that when the vehicle runs at a high speed, air flow can be reduced to enter two sides of the vehicle, and the air flow is prevented from forming turbulent flow;
2. In the low wind resistance kit of the gas tractor, the flow guiding unit is propped against the rear part of the vehicle cab, the side skirt plate is propped against the lower part of the diffusion type flow guide cover in the flow guiding unit, the tightness between the kit and the vehicle can be improved, the air flow is further prevented from flowing into the rear part of the vehicle cab, and meanwhile, the side skirt plate is propped against the lower part of the diffusion type flow guide cover, which means that the outer surface of the side skirt plate and the two sides of the diffusion type flow guide cover are positioned on the same longitudinal axis, so that the smooth flow of the air flow along the side part of the vehicle is facilitated, the turbulence and the resistance of the air flow on the side surface of the vehicle are reduced, and the aerodynamic performance of the vehicle is improved;
3. The diffusion type air guide sleeve is arranged, so that the protection effect on the vehicle gas bottle can be achieved, the vehicle gas bottle is prevented from being impacted directly, the vehicle gas bottle is prevented from being directly irradiated by sunlight, and the driving safety is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a low windage kit for a gas tractor according to an embodiment of the present application;
fig. 2 is a schematic diagram of a supporting framework in a low wind resistance suite of a gas tractor according to an embodiment of the present application;
Fig. 3 is a schematic diagram of a bottle rack in a low wind resistance kit of a gas tractor according to an embodiment of the present application;
fig. 4 is a schematic diagram of a middle-side skirt board structure of a low wind resistance kit of a gas tractor according to an embodiment of the present application;
fig. 5 is a schematic diagram of a sealing unit in a low windage sleeve of a gas tractor according to an embodiment of the present application.
In the figure, 1, a supporting framework, 101, a top frame, 102, a side frame, 103, a rack connecting rod, 104, a first connecting end, 2, a diffusion type air guide sleeve, 3, a bottle body rack, 301, a supporting vertical plate, 302, a supporting transverse plate, 303, a second connecting end, 4, a side skirt plate, 5, a connecting bracket, 6, a sealing unit, 601, a first sealing strip, 602 and a second sealing strip.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment of the application provides a low wind resistance kit of a gas tractor, which can solve the technical problems that the gas tractor with a back type gas cylinder in the prior art easily forms interference air flow at the back of a cab and increases running wind resistance due to the arrangement of the gas cylinder of a vehicle.
The low wind resistance kit of the gas tractor comprises a back assembly and a skirt board assembly, wherein the back assembly is mainly arranged at the rear of a vehicle cab to fix and cover a gas cylinder of the vehicle and optimize and guide the direction of gas flow in the running process of the vehicle, the section of one end of the back assembly, which faces the vehicle cab, is consistent with the section of the rear of the vehicle cab and is flush with the vehicle cab.
Specifically, the back assembly comprises a flow guiding unit which is arranged behind the vehicle cab and covered outside the vehicle gas cylinder, and a gas cylinder fixing unit which is positioned in the flow guiding unit and the bottom of which is connected with the vehicle frame.
The gas bottle fixing unit is arranged inside the flow guiding unit and used for bearing and fixing the gas bottle of the vehicle, so that the risk of extrusion and jolt of the gas bottle of the vehicle in the driving process is reduced, after the assembly is completed, the flow guiding unit is covered outside the gas bottle fixing unit and the gas bottle of the vehicle, meanwhile, the bottom of the gas bottle fixing unit is connected with the top of a frame at the rear of a cab of the vehicle through a connecting piece, and the gas bottle fixing unit is connected with the flow guiding unit, so that the connection between the back assembly and the vehicle depends on the gas bottle fixing unit, and an integral structure is formed. The connection not only enhances the overall stability of the back assembly and simplifies the installation process, but also allows the flow guiding unit to be easily detached for maintenance or replacement when necessary, thereby facilitating the installation and detachment of the flow guiding unit.
Fig. 1 is a schematic structural diagram of a low wind resistance kit of a gas tractor according to an embodiment of the present application, as shown in fig. 1, the flow guiding unit includes a supporting framework 1 and a diffusion type flow guiding cover 2 located outside the supporting framework 1, where the diffusion type flow guiding cover 2 is penetrated from front to back and one end is used to be abutted against the rear of a vehicle cab, the supporting framework 1 is a basic structure of the flow guiding unit, and provides necessary strength and stability to support the weight of the whole flow guiding unit and resist the pressure of external fluid, and in one possible implementation of the present application, the supporting framework 1 is made of a light but firm material, such as an aluminum alloy or high-strength steel, and its shape and size may also be different according to specific applications, so as to ensure matching with the section behind the vehicle cab and achieve smooth airflow transition.
The diffusion type air guide sleeve 2 is a key component positioned outside the supporting framework 1, and has the main functions of guiding fluid to flow in a specific mode, meanwhile, the diffusion type air guide sleeve 2 is in a horn shape as a whole, the longitudinal section of the diffusion type air guide sleeve 2 is in a door shape, the diffusion type air guide sleeve 2 is beneficial to gradually diffusing air flow when passing through, turbulence and resistance are reduced, after assembly is completed, the longitudinal section area of the diffusion type air guide sleeve 2 is gradually enlarged along the direction away from a vehicle cab, namely, one end of the diffusion type air guide sleeve 2 with smaller section area is abutted against the rear of the vehicle cab, and the other end with larger section area faces the tail of the vehicle, so that the air flow can gradually diffuse when passing through the diffusion type air guide sleeve 2, turbulence and resistance generated when passing through a narrow area can be reduced, the whole flow efficiency is improved, the diffusion type air guide sleeve 2 can help the vehicle to keep stable when running at a high speed, the influence of side wind on the vehicle can be reduced, and the running safety is improved.
The setting of diffusion kuppe 2 not only can play the guide effect of air current, can also play certain guard action, can prevent that the object that both sides come off from striking vehicle gas cylinder when the vehicle is high-speed to travel or prevent when parking that the object that the vehicle top falls from pounding vehicle gas cylinder etc. simultaneously, the inside liquefied natural gas of vehicle gas cylinder needs control temperature, and diffusion kuppe 2 can also prevent effectively that sunshine direct irradiation gas cylinder from leading to the unusual intensification of vehicle gas cylinder.
The gas bottle fixing unit comprises a connection supporting framework 1 and a bottle body placing frame 3 with a plurality of vehicle gas bottle placing spaces, and in combination with the description, the back assembly is covered on the periphery of the vehicle gas bottle, so that the back assembly has a certain width, and the bottle body placing frame 3 is used for placing the vehicle gas bottle, therefore, in one possible implementation mode, the bottle body placing frame 3 is equal in width with the back assembly, two side edges of the bottle body placing frame 3 are connected with the supporting framework 1 through connecting pieces, the bottom of the bottle body placing frame 3 is connected with a frame through the connecting pieces, and the weight of the vehicle gas bottle is effectively transferred onto the frame while the back assembly is guaranteed to be stably connected with the vehicle.
Meanwhile, the gas vehicle has various types and various powers, and may have one or two or even a plurality of vehicle gas cylinders, and when the number of the vehicle gas cylinders is plural, the vehicle gas cylinders are generally assembled longitudinally, so that the cylinder body placing frame 3 also has placing spaces with the same number as the vehicle gas cylinders, and when the number of the placing spaces is plural, the placing spaces are consistent with the layout mode of the vehicle gas cylinders and are all arranged longitudinally, and each placing space is used for placing one vehicle gas cylinder.
Further, the apron board assembly comprises two side apron boards 4 which are respectively arranged at two ends of the bottom of the diffusion type air guide sleeve 2 and are used for being connected with a frame, the tops of the side apron boards 4 are propped against the bottom of the diffusion type air guide sleeve 2, two groups of side apron boards 4 are respectively connected with two sides of the frame through connecting pieces and are separated from the frame by a certain distance, after assembly is completed, the tops of the side apron boards 4 are propped against the bottom of the diffusion type air guide sleeve 2, the outer parts of the side apron boards 4 and the outer wall of the diffusion type air guide sleeve 2 are arranged on the same longitudinal axis, so that the longitudinal fluency between the diffusion type air guide sleeve 2 and the side apron boards 4 is ensured, the aerodynamic principle is met, and the tidier and streamline appearance of a vehicle is further provided.
Further, fig. 2 is a schematic structural diagram of a supporting framework 1 in a low wind resistance kit of a gas tractor, as shown in fig. 2, the supporting framework 1 includes a top frame 101 horizontally arranged and two side frames 102 arranged along the length direction of the top frame 101, wherein one side frame 102 is connected with one end of the top frame 101, the other side frame 102 is connected with the other end of the top frame 101, the supporting framework 1 extends along the length direction of a vehicle body to have a certain width, and the width is larger than the diameter of a vehicle gas cylinder, so as to completely cover the vehicle gas cylinder, the top frame 101 and the side frames 102 are equally wide and the side frames 102 are respectively connected with two ends of the top frame 101 through connecting pieces to form a door-shaped frame, the top frame 101 and the side frames 102 are arranged in a modularized manner, and can be adjusted according to different vehicle types and requirements, so that the convenience and the flexibility of installation are improved, and the convenience of the installation work are also improved.
In one possible embodiment, the top frame 101 includes two main supporting bars opposite to each other in the width direction of the vehicle, and a plurality of auxiliary supporting bars perpendicular to the main supporting bars are disposed between the two supporting bars, and both ends of the auxiliary supporting bars are fixedly connected to the two main supporting bars, respectively, to form a single body. The structure of the side frame 102 may refer to the arrangement of the top frame 101, and it should be noted that the above is only one example of the structure of the top frame 101 and the side frame 102, but may also be other structures, which are not limited herein.
Further, be equipped with a plurality of groups of rack connecting units of arranging along the direction of height of side frame 102 on the side frame 102, all be equipped with at least a set of rack connecting unit on every side frame 102, and the rack connecting unit on the both sides frame 102 sets up relatively for connecting the both sides of bottle rack 3 respectively, in one possible embodiment, in order to guarantee atress homogeneity and connection stability, be equipped with three sets of rack connecting units on every side frame 102, and three sets of rack connecting units set up along the direction of height equidistance of side frame 102 for connect the top position of bottle rack 3 respectively, middle part position and bottom position.
Through rack connecting element, bottle rack 3 can fix on braced skeleton 1 firmly, ensures the structural integrity of whole water conservancy diversion unit, simultaneously, also makes the installation and the dismantlement of bottle rack 3 become simple swift, has improved the convenience of maintaining.
Specifically, the rack connecting unit includes rack connecting rod 103 that sets up in the broadside both sides of side frame 102, and rack connecting rod 103 orientation is close to the side of bottle rack 3 direction horizontal extension and connection bottle rack 3, every rack connecting unit all has two rack connecting rods 103, one end of two rack connecting rods 103 in the same rack connecting unit is connected with the broadside both sides of side frame 102 homonymy respectively, the other end of two rack connecting rods 103 is used for connecting the broadside both sides of bottle rack 3 respectively, in one possible embodiment, be equipped with the stiffener between the one end of broadside of two rack connecting rods 103 connection side frame 102, in order to be used for improving the overall structure stability of rack connecting unit.
Further, fig. 3 is a schematic structural diagram of a bottle body placing frame 3 in a low wind resistance kit of a gas tractor, as shown in fig. 3, one end of a placing frame connecting rod 103 connected with the bottle body placing frame 3 is provided with a first connecting end 104, in a possible implementation manner, the first connecting end 104 is a connecting iron plate, one side surface of the connecting iron plate is fixedly connected with the placing frame connecting rod 103 into a whole, so that stable connection between the connecting iron plate and the placing frame connecting rod 103 is ensured, and strength and stability of the whole connecting structure are improved, a plurality of connecting holes for connecting pieces (such as bolts, nuts and the like) to pass through are formed in the connecting iron plate, and the connecting pieces are arranged in the connecting holes to firmly fix the bottle body placing frame 3 on the placing frame connecting rod 103.
Further, the bottle body placing frame 3 includes a supporting riser 301 and a supporting transverse plate 302 located at the front surface of the supporting riser 301 for forming a placing space, the supporting riser 301 is one of main supporting structures of the bottle body placing frame 3, and has sufficient strength and rigidity to bear the weight of the gas bottle of the vehicle and various forces during driving, and the supporting transverse plate 302 is located at the front surface of the supporting riser 301 and is connected with the supporting riser 301 to form a placing space. Here, the front surface of the support riser 301 means the surface of the support riser 301 facing the vehicle cab after the assembly is completed, the back surface of the support riser 301 faces the vehicle tail, and the bottle rack 3 provides a stable and easily accessible storage space so that the vehicle gas bottles can be aligned neatly.
In particular, in connection with the above description, the connection of the deflector unit to the vehicle relies on the bottle body holder 3, while, in addition to the connection of the deflector unit, the bottle body holder 3 also assumes the important task of placing and fixing the vehicle gas bottle. The vehicle gas bottle generally stores high-pressure gas such as compressed natural gas or liquefied petroleum gas for powering the vehicle, and thus the bottle holder 3 needs to have sufficient strength and stability to ensure safety and reliability of the vehicle gas bottle during driving, and thus the bottle holder 3 is integrally made of wear-resistant metal materials to have higher strength and durability and be able to withstand greater loads and vibrations.
In connection with the above description, the number of the vehicle gas cylinders may be one or two or even more, and thus, the number of the support cross plates 302 is determined based on the number of the vehicle gas cylinders, and there is no particular limitation in the present application that one end of the support cross plate 302 is connected to the support riser 301 via the connection member, the other end extends horizontally toward the direction of the vehicle cab, and the extending width of the support cross plate 302 does not exceed the width of the diffusion guide housing 2, and in one possible embodiment, the support cross plate 302 is as wide as the diffusion guide housing 2.
In connection with the above description, one end of one rack connecting rod 103 of the same group of rack connecting units, which is provided with a first connecting piece, is connected to one side of the supporting riser 301, and the other end of the other rack connecting rod 103, which is provided with a first connecting piece, is connected to one side of the supporting transverse plate 302, which is far from the supporting riser 301.
Further, in one possible embodiment, the bottle rack 3 further includes a diagonal brace set, where the diagonal brace set includes two diagonal braces, and two ends of the diagonal brace are respectively connected to the side edges of the supporting riser 301 and the bottom of the supporting cross plate 302, so as to improve the overall stability and bearing capacity of the bottle rack 3.
Further, in combination with the above description, the bottle rack 3 is used for being connected with the frame, so in one possible embodiment, the bottom of the bottle rack 3 is further provided with a leg unit, specifically, the leg unit includes four connection legs, which are respectively located at two sides of the bottom of the supporting riser 301 and two sides of the bottom of the supporting riser 301, which are located at the lowest side of the supporting cross plate 302, are far away from the two sides of the bottom of the supporting riser 301, and the bottoms of the connection legs are provided with horizontal connection plates, and a plurality of threaded holes are formed in the horizontal connection plates, so that stable connection between the bottle rack 3 and the frame is realized through the connection bolts.
Further, both sides of the supporting riser 301 and a side surface of one end of the supporting transverse plate 302, which is far away from the supporting riser 301, are respectively provided with a second connecting end 303 matching with the first connecting end 104, and in combination with the above description, in a possible embodiment, the second connecting end 303 is a plurality of matching holes, and the matching holes are opposite to the connecting holes on the connecting iron plate in the first connecting end 104, and the two are mechanically connected by using a connecting bolt.
Further, the supporting cross plate 302 is provided with a matching surface for matching with the outer arc surface of the vehicle gas cylinder, and the vehicle gas cylinder body is cylindrical, so that in the application, the matching surface is a concave arc surface, the vehicle gas cylinder can be directly clamped in the matching surface to limit the vehicle gas cylinder and limit the vehicle gas cylinder through physical constraint, so that the vehicle gas cylinder is prevented from shaking in the running process of the vehicle, and in the actual assembly work, after being placed on the supporting cross plate 302, the vehicle gas cylinder is usually fixed by using a binding belt, therefore, in one possible implementation mode, the supporting cross plate 302 and the supporting vertical plate 301 are provided with fixing holes for fixing two ends of the binding belt, the specific setting positions and the setting number of the fixing holes are determined according to the arrangement form of the binding belt, and the specific limitation is not made in the application. The bottle rack 3 provides stable and reliable support and fixation for the vehicle gas bottle through the design of the matching surface and the fixation mode of the binding belt. Meanwhile, the fixing holes are formed to provide convenience and flexibility for fixing the ribbon, and the requirements on safety and stability of the gas cylinder are met.
Further, fig. 4 is a schematic structural diagram of a side skirt plate 4 in a low wind resistance kit of a gas tractor, as shown in fig. 4, the side skirt plate 4 is provided with a frame connecting unit towards the inner side of a frame, the frame connecting unit comprises a plurality of connecting brackets 5, the plurality of connecting brackets 5 are arranged at intervals along the length direction of the side skirt plate 4, the side skirt plate 4 is provided with two groups, which are respectively positioned at two sides of a frame behind a vehicle cab and are connected with the frame through connecting pieces, each side skirt plate 4 comprises an outer plate body and a plate body framework positioned at the inner side of the outer plate body, and the inner side of the outer plate body is a side facing the frame, the connecting brackets 5 are also positioned at the inner side of the side skirt plate 4, one end of each connecting bracket 5 is mechanically connected with the plate body framework, the other end of each connecting bracket extends horizontally and is mechanically connected with the frame, so that the side skirt plate 4 is effectively fixed on the frame, preventing looseness or falling caused by vibration or impact, simultaneously, the connecting bracket 5 has a certain length, so that the side skirt plate 4 and the frame are spaced with a certain distance, the outside of the side skirt plate 4 and the outer wall of the diffusion type air guide sleeve 2 are arranged on the same axial direction, necessary installation space is provided for the side skirt plate 4, the relative independence between the side skirt plate 4 and the frame is ensured, the transmission of vibration and noise is reduced, the longitudinal smoothness between the diffusion type air guide sleeve 2 and the side skirt plate 4 is ensured, the smooth flow of air flow along the side part of a vehicle is also facilitated, the turbulence and resistance of the air flow on the side surface of the vehicle are reduced, the aerodynamic performance of the vehicle is improved, meanwhile, the top of the side skirt plate 4 abuts against the bottom of the diffusion type air guide sleeve 2, the contact relationship between the side skirt plate and the diffusion type air guide sleeve 2 can form an effective air flow barrier, minimizing the possibility of airflow entering the rear of the vehicle cab through the slot.
Further, based on the stress and the structural overall stability of the side skirt plate 4, in one possible implementation, the number of the connecting brackets 5 on the same side skirt plate 4 is at least two, and the connecting brackets are respectively positioned at the head end and the tail end of the side skirt plate 4, so that the side skirt plate 4 can be uniformly distributed when being stressed, the damage or deformation of the side skirt plate 4 caused by overlarge single-point stress is avoided, the specific form of the connecting brackets 5 is not particularly limited in the application, and the connecting brackets can be flexibly adjusted according to different vehicle types, vehicle frame structures and shapes of the side skirt plate 4, and can ensure stable connection of the side skirt plate 4 and the vehicle frame.
The side skirt board 4 can also play a certain protective role, can prevent personnel from being rolled into the bottom of the vehicle from the side surface of the vehicle, prevent safety-related parts such as a vehicle oil tank, a storage battery, an air reservoir and the like from being directly impacted, can also improve the overall appearance of the vehicle, can protect the integrity of the appearance of the vehicle body, and makes the vehicle look tidier.
Further, fig. 5 is a schematic diagram of the position of the sealing unit 6 in the low wind resistance kit of the gas tractor provided by the embodiment of the application, as shown in fig. 5, the sealing unit 6 is disposed between the top of the side skirt 4 and the bottom of the side skirt 2 and on one side of the side skirt 2 against the rear of the vehicle cab, and in combination with the above description, one end of the side skirt 2 facing the vehicle cab is abutted against the rear of the vehicle cab, and the top of the side skirt 4 is abutted against the bottom of the side skirt 2, so as to reduce the gap between the kit itself and the vehicle, and further reduce the air flow entering, therefore, in one possible embodiment of the application, the sealing unit 6 includes a first sealing strip 601 disposed horizontally and between the top of the side skirt 4 and the bottom of the side skirt 2, and can fill up the tiny gap between the side skirt 4 and the bottom of the side skirt 2, preventing the air flow from entering from this area, and further, the sealing unit 6 includes a second sealing strip 602 also disposed on one side of the side skirt 2 against the vehicle cab, and the second sealing strip 602 is also shaped in a door shape, so that the second door 602 is shaped, and the sealing strip 602 is tightly fitted between the vehicle cab and the curved surface 2. It should be noted that although one possible embodiment is described above, the actual application may be adjusted according to the specific design and requirements of the vehicle, for example, the material, shape, size, etc. of the sealing strip may be optimized according to the requirements to achieve the best sealing effect.
According to the low wind resistance kit of the gas tractor, the diversion unit is arranged, one end of the diversion unit is propped against the rear of the vehicle cab and covers the diffusion type diversion cover 2 outside the gas cylinder of the vehicle, the side skirt plates 4 are matched with the diffusion type diversion cover 2, so that when the vehicle runs at a high speed, air flow can be reduced, the air flow enters two sides of the vehicle, the diffusion type diversion cover 2 can guide fluid to flow in a specific mode, turbulent flow of the air flow is avoided, meanwhile, the diversion unit is propped against the rear of the vehicle cab, the side skirt plates 4 are propped against the lower part of the diffusion type diversion cover 2, and the fuel efficiency and running stability of the vehicle can be remarkably improved by matching with the sealing unit 6.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected via an intervening medium, or may be in communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The foregoing is merely exemplary of embodiments of the present application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A gas tractor low windage kit comprising:
The back assembly comprises a flow guiding unit which is arranged behind a vehicle cab and covered outside a vehicle gas bottle, and a gas bottle fixing unit which is positioned in the flow guiding unit and the bottom of which is used for being connected with a frame, wherein the flow guiding unit comprises a supporting framework (1) and a diffusion type flow guiding cover (2) which is positioned outside the supporting framework (1), the diffusion type flow guiding cover (2) is communicated from front to back and one end of the diffusion type flow guiding cover is used for propping against the rear of the vehicle cab, and the gas bottle fixing unit comprises a bottle body placing frame (3) which is connected with the supporting framework (1) and provided with a plurality of vehicle gas bottle placing spaces;
the apron board assembly comprises two side apron boards (4) which are respectively positioned at two ends of the bottom of the diffusion type air guide sleeve (2) and are used for being connected with a frame, and the top of each side apron board (4) is propped against the bottom of the diffusion type air guide sleeve (2).
2. A gas tractor low windage kit according to claim 1, wherein said support frame (1) comprises a horizontally disposed top frame (101) and two side frames (102) disposed along the length of said top frame (101), one of said side frames (102) being connected to one end of said top frame (101) and the other of said side frames (102) being connected to the other end of said top frame (101).
3. A gas tractor low windage kit according to claim 2, wherein said side frames (102) are provided with sets of rack attachment units aligned along the height of said side frames (102).
4. A gas tractor low windage kit as defined in claim 3 wherein said rack attachment unit includes rack attachment bars (103) disposed on either side of the broadside of said side frame (102), and said rack attachment bars (103) extend horizontally toward a direction proximate said bottle body rack (3) and attach to the sides of said bottle body rack (3).
5. A gas tractor low windage kit according to claim 4, wherein the end of the rack connecting rod (103) connected to the bottle rack (3) is provided with a first connecting end (104).
6. A gas tractor low wind kit according to claim 5, wherein said bottle holder (3) comprises a support riser (301) and a support cross plate (302) located on the front side of said support riser (301) for forming a holding space.
7. A gas tractor low windage kit according to claim 6, wherein both sides of said support riser (301) and a side of said support cross plate (302) distal from said support riser (301) are provided with second connection ends (303) mating with said first connection ends (104).
8. A gas tractor low windage kit as defined by claim 7 wherein said support cross plate (302) has mating surfaces for mating with the extrados of a vehicle gas bottle.
9. A gas tractor low windage kit according to claim 1, wherein the side skirt (4) is provided with frame connection units towards the inner side of the frame, the frame connection units comprise a plurality of connection brackets (5), and the connection brackets (5) are spaced along the length of the side skirt (4).
10. A gas tractor low windage kit according to claim 1, characterized in that the diffuser (2) is arranged to abut against one side behind the vehicle cab and that a sealing unit (6) is arranged between the top of the side skirt (4) and the bottom of the diffuser (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411903936.5A CN119551085B (en) | 2024-12-23 | 2024-12-23 | A low wind resistance kit for gas tractor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411903936.5A CN119551085B (en) | 2024-12-23 | 2024-12-23 | A low wind resistance kit for gas tractor |
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| CN119551085A true CN119551085A (en) | 2025-03-04 |
| CN119551085B CN119551085B (en) | 2025-09-12 |
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| CN202411903936.5A Active CN119551085B (en) | 2024-12-23 | 2024-12-23 | A low wind resistance kit for gas tractor |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8506004B1 (en) * | 2012-07-30 | 2013-08-13 | Praxair Technology, Inc. | Gap fairing and drag reduction method |
| CN204750328U (en) * | 2015-05-27 | 2015-11-11 | 中国重汽集团济南动力有限公司 | Lorry driver's cabin guiding device |
| CN205417809U (en) * | 2016-02-14 | 2016-08-03 | 芜湖金光汽车配件有限责任公司 | But height -adjusting's roof kuppe |
| US20170080798A1 (en) * | 2014-06-12 | 2017-03-23 | Quantum Fuel Systems Llc | Aerodynamic and adjustable efficient back of cab fuel tank housing |
| CN218702708U (en) * | 2022-10-18 | 2023-03-24 | 航天氢能(上海)科技有限公司 | Fuel cell truck hydrogen supply system mounting structure |
| CN220220398U (en) * | 2023-07-11 | 2023-12-22 | 中国重汽集团济南动力有限公司 | Tractor vehicle |
| CN119142416A (en) * | 2024-09-30 | 2024-12-17 | 东风商用车有限公司 | Chassis arrangement structure of hydrogen fuel cell tractor |
-
2024
- 2024-12-23 CN CN202411903936.5A patent/CN119551085B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8506004B1 (en) * | 2012-07-30 | 2013-08-13 | Praxair Technology, Inc. | Gap fairing and drag reduction method |
| US20170080798A1 (en) * | 2014-06-12 | 2017-03-23 | Quantum Fuel Systems Llc | Aerodynamic and adjustable efficient back of cab fuel tank housing |
| CN204750328U (en) * | 2015-05-27 | 2015-11-11 | 中国重汽集团济南动力有限公司 | Lorry driver's cabin guiding device |
| CN205417809U (en) * | 2016-02-14 | 2016-08-03 | 芜湖金光汽车配件有限责任公司 | But height -adjusting's roof kuppe |
| CN218702708U (en) * | 2022-10-18 | 2023-03-24 | 航天氢能(上海)科技有限公司 | Fuel cell truck hydrogen supply system mounting structure |
| CN220220398U (en) * | 2023-07-11 | 2023-12-22 | 中国重汽集团济南动力有限公司 | Tractor vehicle |
| CN119142416A (en) * | 2024-09-30 | 2024-12-17 | 东风商用车有限公司 | Chassis arrangement structure of hydrogen fuel cell tractor |
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|---|---|
| CN119551085B (en) | 2025-09-12 |
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