WO2024000717A1 - Machine d'exploitation - Google Patents

Machine d'exploitation Download PDF

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Publication number
WO2024000717A1
WO2024000717A1 PCT/CN2022/108543 CN2022108543W WO2024000717A1 WO 2024000717 A1 WO2024000717 A1 WO 2024000717A1 CN 2022108543 W CN2022108543 W CN 2022108543W WO 2024000717 A1 WO2024000717 A1 WO 2024000717A1
Authority
WO
WIPO (PCT)
Prior art keywords
water pump
power take
frame
sub
vehicle frame
Prior art date
Application number
PCT/CN2022/108543
Other languages
English (en)
Chinese (zh)
Inventor
关保清
张竟
肖俏伟
Original Assignee
三一汽车制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三一汽车制造有限公司 filed Critical 三一汽车制造有限公司
Publication of WO2024000717A1 publication Critical patent/WO2024000717A1/fr

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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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/28—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of power take-off
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C27/00—Fire-fighting land vehicles
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/28—Accessories for delivery devices, e.g. supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/30—Spraying vehicles
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/22—Adaptations of pumping plants for lifting sewage

Definitions

  • the present application relates to the technical field of water spray operations, and in particular to a working machine.
  • the power take-off of the working machinery is installed at the front end of the frame, and the fire pump is installed at the middle and rear parts of the frame.
  • the existing layout method is often inefficient and unstable. Sexual issues.
  • This application provides a working machine to solve at least one of the defects in the prior art of low efficiency and poor stability when the boom assembly has a higher operating range.
  • the water pump is placed between the power take-off and the cab. The distance between the power take-off and the transmission shaft of the water pump is shortened, thereby improving transmission efficiency.
  • a water pump, the water pump is installed on the vehicle frame;
  • a working machine further comprising a boom assembly, the connecting end of the boom component is installed on the vehicle frame, and the water pump is placed at the installation position of the boom component on the vehicle frame and where the boom component is installed. Between the cab, the power take-off is placed between the water pump and the boom assembly.
  • the connecting plate assembly includes a first side plate and a second side plate;
  • the first side plate is connected to the second side plate at an angle, and the first side plate is provided with a strip hole.
  • the strip hole is used to connect with the vehicle frame.
  • the strip hole is arranged along the The height direction setting of the frame;
  • a working machine further comprising an engine, the engine is connected to the power take-off through a shaft, and the water pump is placed between the engine and the power take-off along the length direction of the frame.
  • a working machine is provided, and the water pump, the hydraulic pump, and the engine are all placed on the same side of the power take-off.
  • a working machine is provided.
  • the connecting shaft between the water pump and the power take-off, the shaft connecting the hydraulic pump and the power take-off, and the engine and the power take-off are sequentially arranged along the height direction of the frame.
  • a working machine includes a chassis and a sub-beam.
  • the sub-beam is installed on the chassis.
  • the water pump is suspended above the sub-beam through the connecting plate assembly.
  • the power take-off The device is connected to the subframe.
  • the chassis includes a first connecting beam and a second connecting beam.
  • the power take-off is arranged between the first connecting beam and the second connecting beam.
  • the first connecting beam and The sub-beam is arranged above the second connecting beam.
  • the frame further includes a body assembly.
  • the body assembly is installed above the sub-beam.
  • one end of the body assembly is installed close to the On the sub-beam of the power take-off, the other end of the vehicle body assembly is installed at the end of the sub-beam;
  • a working machine further comprising a water pipe, the water pipe is arranged on the boom assembly, and the water inlet of the water pipe is connected to the water pump.
  • the working machine provided by this application has a water pump and a power take-off installed on the frame.
  • the water pump is placed between the power take-off and the cab along the length of the frame, thereby shortening the axis between the water pump and the power take-off.
  • the connection length improves the transmission efficiency of the water pump and power take-off.
  • FIG. 1 is a schematic diagram of the overall structure of the working machine provided by this application.
  • FIG. 2 is a schematic structural diagram of the vehicle frame provided by this application.
  • FIG. 3 is a partial structural diagram of the water pump installation provided by this application.
  • Figure 4 is an enlarged view of the partial installation state of the connecting plate assembly provided by this application.
  • FIG. 5 is a schematic diagram of the installation status of the water pump and power take-off provided by this application.
  • Figure 6 is a top view of the vehicle frame structure provided by this application.
  • Figure 7 is a top view of the vehicle body assembly structure provided by this application.
  • connection should be understood in a broad sense.
  • it can be a fixed connection or a detachable connection. Or integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium.
  • connection should be understood in specific situations.
  • references to the terms “one embodiment,” “some embodiments,” “an example,” “specific examples,” or “some examples” or the like means that specific features are described in connection with the embodiment or example. , structures, materials or features are included in at least one embodiment or example of the embodiments of this application. In this specification, the schematic expressions of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine different embodiments or examples and features of different embodiments or examples described in this specification unless they are inconsistent with each other.
  • the boom component is generally a folding boom. When the boom component is not in use or transported, the boom component is folded on the working machine. When the boom component needs to be sprayed at high altitude, it can be unfolded. The height of the boom depends on the height of the boom. Determined by the arm section length and rotation angle of the component. If the high-pressure fire pump still uses a hollow area in the frame, and the high-pressure fire pump is installed in the middle or rear of the frame, it will cause the defect of insufficient frame stiffness.
  • the water pump is placed above the frame to ensure the integrity of the overall structure of the frame, thereby ensuring its stiffness; the water pump is placed on the side of the frame close to the cab to improve the connection stability of the boom assembly when it is extended.
  • this application provides a working machine, including: a boom assembly 400, a water pump 201, and a frame 300 for supporting the boom assembly 400 and the water pump 201.
  • the boom assembly 400 is placed on the side of the frame 300 away from the cab 100 of the working machine; the water pump 201 is installed above the frame 300, and the water pump 201 is placed on the side of the frame 300 close to the cab 100.
  • the boom assembly 400 and the water pump 201 are placed on opposite sides of the frame 300 along the length direction, so that after the boom assembly 400 is extended, the height of the boom assembly 400 continues to rise, and the water pump 201 reaches the balance of the boom assembly 400
  • the function of the machine is to maintain the overall stability of the operating machinery.
  • the water pump 201 is a high-pressure water pump 201, it is larger in size and heavier in mass.
  • the arm assembly 400 is installed at the end of the vehicle frame 300
  • the water pump 201 is installed at the front end of the vehicle frame 300
  • the water pump 201 is close to the cab 100 .
  • the water pump 201 is placed above the frame 300, which facilitates the installation and maintenance of the water pump 201.
  • the overall stiffness of the frame 300 is improved, thereby realizing the frame 300 can better provide sufficient bearing capacity for the boom assembly 400.
  • the lower surface of the water pump 201 is connected to the upper surface of the vehicle frame 300 .
  • the overall stiffness of the frame 300 is increased, further improving the stability of the arm assembly 400.
  • the working machine also includes a connecting plate assembly 303.
  • the connecting plate assembly 303 is connected between the vehicle frame 300 and the water pump 201, so that the water pump 201 is placed on the vehicle frame. Above 300.
  • a connecting plate assembly 303 is connected to the lower surface of the water pump 201, and the vehicle frame 300 is connected to the connecting plate assembly 303 to realize the connection between the vehicle frame 300 and the water pump 201.
  • two connecting plate assemblies 303 are provided in the length direction of the water pump 201, and the two connecting plate assemblies 303 are respectively connected to both sides of the frame 300, so that the water pump 201 is placed above the frame 300, so that there is a certain distance between the water pump 201 and the ground. Installation and maintenance distance.
  • the installation height of the water pump 201 is increased to adapt to the connection height of the input shaft of the water pump 201 so that the input shaft maintains horizontal transmission.
  • the connecting plate assembly 303 includes a first side plate 311 and a second side plate 310; one side of the first side plate 311 is connected to the second side plate 310 at an angle,
  • the first side plate 311 and the second side plate 310 are vertically connected, and reinforcing ribs are provided between the first side plate 311 and the second side plate 310 .
  • a strip hole 312 is provided on the surface of the first side plate 311. The strip hole 312 is used to connect with the frame 300.
  • the strip hole 312 is provided along the height direction of the frame 300 to adjust the position of the water pump 201 relative to the frame 300. height; the second side plate 310 is connected to the bottom surface of the water pump 201.
  • first side plate 311 and the second side plate 310 can be integrally formed bent parts, and the second side plate 310 can be welded to the water pump 201 as a part of the water pump 201 .
  • the water pump 201 is connected to the frame 300 through the strip hole 312 of the first side plate 311.
  • the length direction of the strip hole 312 is consistent with the height direction of the water pump 201 from the ground.
  • the connecting plate assembly 303 passes through the strip hole 312 and the connection plate assembly 303 through fasteners.
  • the vehicle frame 300 is connected.
  • the first side plate 311 can be connected to the side of the vehicle frame 300 .
  • fasteners can be bolts, screws, studs, etc.
  • connecting plate assemblies 303 are provided on both sides of the lower surfaces in the length direction of the water pump 201.
  • the levelness of the water pump 201 can be adjusted by adjusting the connection positions of the strip holes 312 on both sides.
  • the working machine also includes a power take-off 202.
  • the power take-off 202 is connected to the water pump 201 through a shaft, and the power take-off 202 is installed on the frame 300.
  • the water pump 201 is placed between the power take-off 202 and the cab 100.
  • the water pump 201 is placed between the installation position of the boom assembly 400 on the vehicle frame 300 and the cab 100 , and the power take-off 202 is placed between the water pump 201 and the boom assembly 400 .
  • the engine 203 is installed on the vehicle frame 300 and placed below the cab 100 .
  • the engine is connected to the power take-off 202 through the first output shaft 213.
  • the first output shaft 213 is parallel to the first input shaft 211 , and the connection end of the first output shaft 213 and the power take-off 202 is on the same side of the power take-off 202 as the connection end of the first input shaft 211 and the power take-off 202 .
  • the length of the first output shaft 213 is greater than the length of the first input shaft 211 , so the water pump 201 is placed between the engine 203 and the power take-off 202 .
  • the working machine also includes a hydraulic pump 204.
  • the hydraulic pump 204 is connected to the power take-off 202, and the hydraulic pump 204 is placed between the power take-off 202 and the water pump 201. That is to say, the engine transmits power to the power take-off 202, and the power take-off 202 is directly connected to the hydraulic pump 204 for driving the hydraulic pump 204 to provide power to the hydraulic system.
  • the water pump 201, the hydraulic pump 204, and the engine 203 are all placed on the same side of the power take-off 202.
  • the first input shaft 211 , the hydraulic pump 204 and the first output shaft 213 are placed on one side of the power take-off 202 , and the second input shaft 212 is placed on the other side of the power take-off 202 .
  • the hydraulic pump 204 is arranged on one side of the first input shaft 211 of the power take-off 202, and along the height direction of the vehicle frame 300, the hydraulic pump 204 is placed between the first output shaft 213 and the first input shaft 211.
  • the shaft connecting the water pump 201 and the power take-off 202 , the shaft connecting the hydraulic pump 204 and the power take-off 202 , and the shaft connecting the engine 203 and the power take-off 202 are sequentially arranged along the height direction of the vehicle frame 300 .
  • the hydraulic pump 204 is plugged directly into the power take-off 202 .
  • the power system includes an engine 203, a power take-off 202, a water pump 201, a hydraulic pump 204, a shaft, etc.
  • the hydraulic pump 204 may be a dual oil pump.
  • the vehicle frame 300 includes a chassis 301 and a sub-beam 302.
  • the sub-beam 302 is installed on the chassis 301, and the water pump 201 passes through the connecting plate.
  • the assembly 303 is connected to the sub-frame 302, and the power take-off 202 is connected to the chassis 301.
  • the lower surface of the sub-beam 302 is welded to the upper surface of the chassis 301, and the side surfaces of the sub-beam 302 and the side surfaces of the chassis 301 are connected through the connection base 304 to improve the connection strength.
  • the connecting plate assembly 303 is connected to the side of the sub-beam 302.
  • the length direction of the water pump 201 spans the width direction of the sub-beam 302 and is placed above the sub-beam 302 to ensure the integrity of the sub-beam 302 and thereby improve the stiffness of the sub-beam 302.
  • the sub-frame 302 extends from the water pump 201 to the end of the chassis 301 .
  • the water pump 201 is placed above the sub-beam 302, and the installation space of the sub-beam 302 does not limit the installation of the water pump 201.
  • the large hollow area of the existing sub-beam 302 will cause a decrease in the overall stiffness of the sub-beam 302.
  • the fire extinguishing height of the boom assembly 400 reaches more than 80 meters or more than 100 meters, the end stability of the installation of the boom assembly 400 and the vehicle frame 300 is weak.
  • This application ensures the continuous integrity of the overall structure of the sub-beam 302 and the installation strength of the sub-beam 302.
  • the fire-extinguishing height of the boom assembly 400 reaches more than 80 meters or more than 100 meters, the boom assembly 400 and the vehicle frame The installation end of 300 is connected firmly, which makes the whole working machinery more stable.
  • the sub-beam adopts a square tube structure to increase its strength.
  • the sub-beam extends from the rear of the chassis to the front end of the chassis.
  • the height of the sub-beam is reduced to facilitate the installation of the water pump.
  • the chassis 301 includes a first connecting beam 320 and a second connecting beam 321.
  • the power take-off 202 is disposed between the first connecting beam 320 and the second connecting beam 321.
  • a sub-beam 302 is provided above the beam 320 and the second connecting beam 321, and the sub-beam 302 is connected to the power take-off 202.
  • the chassis 301 also includes a cross beam 322.
  • the first connecting beam 320 and the second connecting beam 321 are arranged in parallel along the length direction of the working machine.
  • the cross beam 322 is provided between the first connecting beam 320 and the second connecting beam 321.
  • the first connecting beam 320 and the second connecting beam 321 are connected as a whole.
  • the auxiliary beam 302 includes a third connecting beam and a fourth connecting beam.
  • the third connecting beam is placed on the first connecting beam 320 and is disposed along the length direction of the first connecting beam 320 .
  • the fourth connecting beam is placed on the second connecting beam 321, and the fourth connecting beam is arranged along the length direction of the second connecting beam 321.
  • a connecting transverse plate is provided between the third connecting beam and the fourth connecting beam, and the third connecting beam and the fourth connecting beam are parallel to ensure the stiffness of the sub-beam 302.
  • the power take-off 202 penetrates the chassis 301 and the sub-beam 302 up and down.
  • the power take-off 202 is placed between adjacent beams 322.
  • One side of the power take-off 202 is connected to the third connecting beam, and the other side of the power take-off 202 is connected to the third connecting beam.
  • the sub-beam 302 is connected to the power take-off 202 through a hooking plate 210.
  • One end of the hooking plate 210 is connected to the upper surface of the sub-beam 302.
  • the hooking plate 210 is placed on the first connecting beam 320 and the third connecting beam 320 of the chassis 301. Between the two connecting beams 321, the other end of the hooking plate 210 is connected to the power take-off 202.
  • the subframe 302 bears the downward force of the power take-off 202 .
  • the vehicle frame 300 also includes a body assembly 305.
  • the body assembly 305 is installed above the sub-frame 302, and the body assembly 305 can be connected to the chassis 301.
  • one end of the body assembly 305 is installed on the sub-beam 302 close to the power take-off 202
  • the other end of the body assembly 305 is installed on the end of the sub-beam 302 .
  • the arm assembly 400 is installed on the body assembly 305 and placed at the end of the body assembly 305 away from the power take-off 202 .
  • the arm assembly 400 includes a turntable 401 and a telescopic arm 402.
  • One end of the telescopic arm 402 is installed on the turntable 401.
  • the turntable 401 is installed on the body assembly 305 and placed at the end of the body assembly 305.
  • the cab 100 is installed at the front end of the chassis 301, and the turntable 401 and the cab 100 are placed at both ends of the working machine.
  • the end of the telescopic arm 402 is connected to the turntable 401. In the contracted state, the beginning of the telescopic arm 402 is placed above the cab 100.
  • the turntable 401 receives force, and the box-type structure of the body assembly 305 is more conducive to improving the installation strength of the sub-frame 302 and the stability of the extension of the telescopic arm 402.
  • the working machine further includes a water pipe.
  • the water pipe is provided on the boom assembly 400 , and the water inlet of the water pipe is connected to the water pump 201 .
  • the water pipe follows the extension of the telescopic arm 402 of the boom assembly 400 and extends to the height of the fire to extinguish the fire.
  • the operating machinery is an elevated jet fire truck.
  • the body assembly 305 is assembled on the chassis 301 and is connected to the chassis 301 and the sub-frame 302.
  • the arm assembly 400 is assembled on the body assembly 305.
  • a power take-off 202 is provided between the cab 100 and the power take-off 202.
  • the power take-off 202 is connected to the water pump 201 through the first input shaft 211 for power input of the water pump 201.
  • the water pump 201 is arranged between the cab 100 and the power take-off 202.
  • the engine 203 is connected to the power take-off 202 through the first output shaft 213, and the power take-off 202 is connected to the transaxle through the second input shaft 212 to drive the wheels to rotate.
  • the power take-off 202 can adopt a shaft-breaking power take-off method, which is beneficial to reducing costs and improving transmission efficiency.
  • the working machine provided by this application ensures the integrity of the overall structure of the frame 300 by installing the water pump 201 above the frame 300, and improves the rigidity of the frame 300 compared to the existing technology; the water pump 201 is placed on the frame 300 The distance between the side close to the cab 100 and the boom assembly 400 increases, which improves the stability of the working machine when the boom assembly 400 is deployed. When the frame 300 is rigidly lifted, the boom assembly with a higher extension height The connection between 400 and frame 300 is more stable.
  • the working machine provided by this application has a water pump 201 and a power take-off 202 installed on the frame 300.
  • the water pump 201 is placed between the power take-off 202 and the cab 100 along the length direction of the frame 300, thereby shortening the distance between the water pump 201 and the cab 100.
  • the connection length of the shaft between the power take-offs 202 improves the transmission efficiency of the water pump 201 and the power take-off 202.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Emergency Management (AREA)
  • Hydrology & Water Resources (AREA)
  • Transportation (AREA)
  • Water Supply & Treatment (AREA)
  • Business, Economics & Management (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

La présente invention se rapporte au domaine de l'opération de pulvérisation d'eau, et concerne une machine d'exploitation. La machine d'exploitation comprend un châssis de véhicule, une pompe à eau et une prise de force ; la pompe à eau est montée sur le châssis de véhicule ; la prise de force est reliée à la pompe à eau au moyen d'un arbre ; la prise de force est montée sur le châssis de véhicule ; et dans la direction de la longueur du châssis de véhicule, la pompe à eau est disposée entre la prise de force et une cabine de la machine d'exploitation. La présente invention est utilisée pour surmonter au moins un défaut dans l'état de la technique d'un faible rendement de transmission et d'une mauvaise stabilité lorsqu'un ensemble flèche a une portée de fonctionnement supérieure. La pompe à eau et la prise de force sont montées sur le châssis de véhicule et, dans la direction de la longueur du châssis de véhicule, la pompe à eau est disposée entre la prise de force et la cabine, de sorte que la longueur de liaison de l'arbre entre la pompe à eau et la prise de force soit raccourcie, et que le rendement de transmission de la pompe à eau et de la prise de force soit amélioré.
PCT/CN2022/108543 2022-06-30 2022-07-28 Machine d'exploitation WO2024000717A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210771439.9A CN115042619A (zh) 2022-06-30 2022-06-30 作业机械
CN202210771439.9 2022-06-30

Publications (1)

Publication Number Publication Date
WO2024000717A1 true WO2024000717A1 (fr) 2024-01-04

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PCT/CN2022/108543 WO2024000717A1 (fr) 2022-06-30 2022-07-28 Machine d'exploitation

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CN (1) CN115042619A (fr)
WO (1) WO2024000717A1 (fr)

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US20070284156A1 (en) * 2006-05-23 2007-12-13 Pierce Manufacturing Company Firefighting vehicle
CN101274127A (zh) * 2008-04-14 2008-10-01 柳州五菱汽车工业有限公司 一种微型消防车
CN201169829Y (zh) * 2008-03-24 2008-12-24 长沙中联重工科技发展股份有限公司 下水道综合养护车
CN203710584U (zh) * 2014-01-20 2014-07-16 中国人民武装警察部队山东省消防总队 多功能轻型消防车
CN113245089A (zh) * 2021-06-08 2021-08-13 上海神舟汽车节能环保股份有限公司 一种单发动机多功能抑尘车

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CN201271439Y (zh) * 2008-09-17 2009-07-15 徐州重型机械有限公司 消防液罐及具有该消防液罐的举高喷射消防车
CN103599613A (zh) * 2013-10-18 2014-02-26 江苏振翔车辆装备股份有限公司 多功能消防抢险破拆车
CN204095519U (zh) * 2014-09-01 2015-01-14 三一汽车制造有限公司 一种清洗车及其高低压水泵机构
CN207140794U (zh) * 2017-07-28 2018-03-27 福建龙马环卫装备股份有限公司 多级离合式单发动力系统及其洗扫车
CN207392114U (zh) * 2017-10-23 2018-05-22 河南森源重工有限公司 液压清洗车
CN208774531U (zh) * 2018-08-28 2019-04-23 陕西重型汽车有限公司 一种新型单电机纯电动洗扫车驱动系统
CN209581265U (zh) * 2018-12-20 2019-11-05 安庆市同博科技开发有限责任公司 一种排水救险车

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070284156A1 (en) * 2006-05-23 2007-12-13 Pierce Manufacturing Company Firefighting vehicle
CN201169829Y (zh) * 2008-03-24 2008-12-24 长沙中联重工科技发展股份有限公司 下水道综合养护车
CN101274127A (zh) * 2008-04-14 2008-10-01 柳州五菱汽车工业有限公司 一种微型消防车
CN203710584U (zh) * 2014-01-20 2014-07-16 中国人民武装警察部队山东省消防总队 多功能轻型消防车
CN113245089A (zh) * 2021-06-08 2021-08-13 上海神舟汽车节能环保股份有限公司 一种单发动机多功能抑尘车

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