WO2018076662A1 - 一种应用于无人车的车体骨架总成 - Google Patents

一种应用于无人车的车体骨架总成 Download PDF

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Publication number
WO2018076662A1
WO2018076662A1 PCT/CN2017/084450 CN2017084450W WO2018076662A1 WO 2018076662 A1 WO2018076662 A1 WO 2018076662A1 CN 2017084450 W CN2017084450 W CN 2017084450W WO 2018076662 A1 WO2018076662 A1 WO 2018076662A1
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WIPO (PCT)
Prior art keywords
frame
main
longitudinal
vehicle body
rod
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PCT/CN2017/084450
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English (en)
French (fr)
Inventor
许开国
王彪
牛涛
吴军委
卢振伟
肖立
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深圳市招科智控科技有限公司
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Publication of WO2018076662A1 publication Critical patent/WO2018076662A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D23/00—Combined superstructure and frame, i.e. monocoque constructions

Definitions

  • the utility model relates to a vehicle body skeleton, in particular to a vehicle body skeleton assembly applied to an unmanned vehicle, belonging to the technical field of unmanned vehicles.
  • the body frame mainly serves to carry loads such as the vehicle itself and passengers, and provides positioning and support for components such as the power system and the brake system.
  • the existing car body skeleton requires a large amount of mold input and production equipment investment, the processing technology is complicated, the process is numerous, the weight is relatively large, and the production cost is relatively high.
  • the utility model aims to provide a vehicle body skeleton assembly applied to an unmanned vehicle, which has the advantages of simple structure, light weight and high strength, and improves the effective load capacity of the unmanned vehicle, and ensures the load-bearing performance of the vehicle body.
  • the lightweight of the unmanned vehicle is realized, the production cost is reduced, and the safety of the driver during the running of the vehicle is also ensured.
  • the vehicle body skeleton assembly applied to the unmanned vehicle is composed of a front frame, a rear frame, a roof frame, a left side frame, a right side frame and a floor frame.
  • the front wall skeleton comprises a front left longitudinal beam and a front right longitudinal beam which are vertically symmetrically arranged, and a front upper beam and a front middle beam which are arranged in parallel, and both ends of the front upper beam and the front middle beam are fixed in the front left vertical
  • the longitudinal beam and the beam form a closed section, which enhances the strength of the front frame.
  • the top cover frame includes a first main frame bar, a second main frame bar, a first main cross bar and a second main cross bar, and the first main frame bar ends are fixedly connected with the front left vertical beam, the first Both ends of the two main frame rods are fixedly connected with the front right side rails, and both ends of the first main cross bar and the second main cross bar are fixed on the first main frame bar and the second main frame bar.
  • the first main crossbar and the second main crossbar make the top cover skeleton connection stronger and enhance its stability.
  • the front front cross member and the floor frame are symmetrically provided with a front first vertical rod and a front second vertical rod, and the front middle cross member and the floor skeleton are fixed together.
  • the front left longitudinal beam and the front first vertical rod are also fixedly connected by a curved connecting rod
  • the front right vertical beam and the front second vertical rod are also fixedly connected by a curved connecting rod.
  • the aforementioned rear frame and the front frame are symmetrically arranged at the front and rear ends of the vehicle body, and the configuration is the same.
  • the foregoing left side frame includes a left first cross bar, a left second cross bar, a left first longitudinal bar and a left second longitudinal bar, and the tops of the left first longitudinal bar and the left second longitudinal bar are both first and first
  • the main frame rods are fixedly connected, and the bottom ends are fixed on the floor frame, and the two ends of the left first cross bar are fixedly connected with the front left longitudinal beam and the left first longitudinal rod, respectively, and the two ends of the left second horizontal bar They are fixedly connected to the left second longitudinal rod and the front left longitudinal beam, respectively.
  • the left first crossbar and the front left longitudinal rail, the left first longitudinal pole and the floor skeleton form a hollow fixed frame for horizontal loading of the power battery.
  • the left second crossbar and the left second longitudinal bar, the front left longitudinal beam and the floor frame form another hollow fixing frame that can be horizontally mounted by the power battery.
  • the left first longitudinal bar, the left second longitudinal bar, the first main frame bar and the floor frame form a door frame.
  • the foregoing right side frame comprises a right cross bar, a right first longitudinal bar and a right second longitudinal bar, and the top ends of the right first longitudinal bar and the right second longitudinal bar are fixedly connected with the second main frame bar, the bottom end Both are fixed on the floor frame, the right cross bar is disposed between the second main frame and the floor frame, and the two ends of the right cross bar are fixed on the front right side member.
  • the aforementioned floor frame comprises a front seat frame, a chassis main beam and a rear seat frame, a front seat frame is fixed at the front end of the chassis main beam, and a rear seat frame is fixed at the rear end.
  • the floor frame was composed of a single component and was easily subjected to distortion.
  • the front seat frame and the rear seat frame were provided with an enhanced strength spine to prevent the floor frame from being distorted.
  • the floor skeleton mainly serves as a support.
  • the high-quality power batteries are placed on the front seat frame and the rear seat frame, and other components are mainly installed on the main beam of the chassis.
  • the materials of the front wall skeleton, the rear wall skeleton, the roof frame, the left side frame, the right side frame and the floor frame are all hollow profiles, and each frame can be cut by the profile to reduce the overall weight of the unmanned vehicle. , greatly simplifying the production process and reducing production costs.
  • the vehicle body frame designed by the utility model has the advantages of simple structure and high strength, and the skeleton adopts a hollow profile combination, which greatly simplifies the production process, reduces the overall weight of the unmanned vehicle, and improves the unmanned vehicle. Effective load capacity.
  • the utility model realizes the lightweight of the unmanned vehicle while ensuring the bearing performance of the vehicle body, reduces the production cost, and ensures the safety of the driver during the running of the vehicle.
  • FIG. 1 is a schematic structural view of a vehicle body
  • FIG. 2 is a schematic structural view of a vehicle body
  • Figure 3 is a schematic view of the structure of the present invention.
  • Embodiment 1 of the present invention as shown in FIG. 1 , FIG. 2 and FIG. 3 , the front wall skeleton 1 , the rear circumference skeleton 2 , the top cover skeleton 3 , the left side surrounding frame 4 , and the right side of the vehicle body skeleton assembly
  • the materials of the side frame 5 and the floor frame 6 are hollow profiles, and each frame can be cut by the profile, which greatly simplifies the production process and reduces the production cost.
  • the front wall skeleton 1 includes a front left longitudinal beam 101 and a front right longitudinal beam 102 which are vertically symmetrically arranged, and a front upper cross member 103 and a front middle cross member 104 which are disposed in parallel, and both ends of the front upper cross member 103 and the front middle cross member 104 are fixed at On the front left longitudinal beam 101 and the front right longitudinal beam 102, the longitudinal beam and the beam form a closed cross section, which enhances the strength of the front wall skeleton 1.
  • the front front cross member 104 and the floor frame 6 are symmetrically disposed with a front first vertical rod 105 and a front second vertical rod 106, and the front middle cross member 104 and the floor skeleton 6 are fixed.
  • the front left longitudinal beam 101 and the front first vertical rod 105 are also fixedly connected by a curved connecting rod 107, and the front right longitudinal beam 102 and the front second vertical rod 106 are also fixed by the curved connecting rod 107. connection.
  • the rear frame 2 and the front wall frame 1 are symmetrically disposed at the front and rear ends of the vehicle body, and have the same configuration.
  • the top cover frame 3 includes a first main frame bar 301, a second main frame bar 302, a first main cross bar 303 and a second main cross bar 304.
  • the two ends of the first main frame bar 301 are fixed to the front left side frame 101.
  • the two ends of the second main frame bar 302 are fixedly connected to the front right side frame 102, and both ends of the first main cross bar 303 and the second main cross bar 304 are fixed to the first main frame bar 301 and the second main frame bar.
  • the first main crossbar 303 and the second main crossbar 304 make the top cover skeleton 3 more securely connected, enhancing its stability.
  • the left side frame 4 includes a left first cross bar 401, a left second cross bar 402, a left first vertical bar 403, and a left second longitudinal bar 404, and the left first longitudinal bar 403 and the left second longitudinal bar 404
  • the top end is fixedly connected to the first main frame rod 301, and the bottom end is fixed on the floor frame 6.
  • the two ends of the left first cross bar 401 are fixedly connected with the front left longitudinal beam 101 and the left first vertical rod 403, respectively. Both ends of the two cross bars 402 are fixedly coupled to the left second longitudinal bar 404 and the front left longitudinal beam 101, respectively.
  • the left first crossbar 401 and the front left longitudinal beam 101, the left first longitudinal rod 403, and the floor frame 6 form a hollow fixed frame into which the power battery can be horizontally mounted.
  • the left second crossbar 402 and the left second longitudinal bar 404, the front left longitudinal beam 101, and the floor frame 6 form another hollow fixed frame that can be horizontally mounted by the power battery.
  • the left first longitudinal bar 403, the left second longitudinal bar 404, the first main frame bar 301 and the floor frame 6 constitute a door frame.
  • the right side frame 5 includes a right cross bar 501, a right first vertical bar 502 and a right second vertical bar 503, and the top ends of the right first vertical bar 502 and the right second vertical bar 503 are fixedly connected to the second main frame 302.
  • the bottom end is fixed to the floor frame 6
  • the right crossbar 501 is disposed between the second main frame bar 302 and the floor frame 6, and the two ends of the right cross bar 501 are fixed to the front right side frame 102.
  • the floor frame 6 includes a front seat frame 601, a chassis main beam 602 and a rear seat frame 603.
  • the front seat frame 602 has a front seat frame 601 fixed to the front end and a rear seat frame 603 fixed to the rear end.
  • the conventional floor frame 6 is composed of a single member and is susceptible to distortion.
  • the front seat frame 601 and the rear seat frame 603 are each provided with a strength-enhancing spine to prevent the floor frame 6 from being twisted and deformed.
  • the floor frame 6 mainly serves as a support.
  • the high-quality power batteries are placed on the front seat frame 601 and the rear seat frame 603, respectively, and other components are mainly mounted on the chassis main beam 602.
  • the outer circumference skeleton 1, the rear circumference skeleton 2, the top cover skeleton 3, the left side surrounding frame 4, the right side surrounding frame 5, and the floor frame 6 are covered with a skin, and the skin material is made of glass reinforced plastic.
  • FRP is a composite material with good corrosion resistance, which can be flexibly selected according to the shape, technical requirements, use and quantity of the product.
  • FRP is light in weight and good in strength, which reduces the weight of the unmanned car.
  • the body shell is not easy to break, to ensure the safety of the driver.
  • Embodiment 2 As shown in FIG. 1 , FIG. 2 and FIG. 3 , the vehicle body skeleton assembly applied to the unmanned vehicle comprises a front wall skeleton 1 , a rear circumference skeleton 2 , a roof cover skeleton 3 , and a left side surrounding frame 4 .
  • the right side frame 5 and the floor frame 6 are composed.
  • the front wall skeleton 1 includes a front left longitudinal beam 101 and a front right longitudinal beam 102 which are vertically symmetrically arranged, and a front upper cross member 103 and a front middle cross member 104 which are disposed in parallel, and both ends of the front upper cross member 103 and the front middle cross member 104 are fixed at On the front left longitudinal beam 101 and the front right longitudinal beam 102, the longitudinal beam and the beam form a closed cross section, which enhances the strength of the front wall skeleton 1.
  • the top cover frame 3 includes a first main frame bar 301, a second main frame bar 302, a first main cross bar 303 and a second main cross bar 304. The two ends of the first main frame bar 301 are fixedly connected to the front left longitudinal beam 101.
  • Both ends of the second main frame bar 302 are fixedly connected to the front right side frame 102, and both ends of the first main cross bar 303 and the second main cross bar 304 are fixed on the first main frame bar 301 and the second main frame bar 302. .
  • the first main crossbar 303 and the second main crossbar 304 make the top cover skeleton 3 more securely connected, enhancing its stability.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

一种应用于无人车的车体骨架总成，由前围骨架（1），后围骨架（2），顶盖骨架（3），左侧围骨架（4），右侧围骨架（5）和地板骨架（6）组成。前围骨架（1）包括前左纵梁（101），前右纵梁（102），前上横梁（103）和前中横梁（104），前上横梁（103）和前中横梁（104）的两端均固定在前左纵梁（101）和前右纵梁（102）上。该车体骨架总成结构简单、质量轻、强度高，提高了无人车的有效载重量，在保证车身承载性能的同时实现了无人车的轻量化，降低了生产成本，还保证了车辆行驶过程中驾驶者的安全。

Description

一种应用于无人车的车体骨架总成 技术领域
本实用新型涉及一种车体骨架，特别是一种应用于无人车的车体骨架总成，属于无人车技术领域。
背景技术
为了降低能源损耗、保护环境，无人车采用动力电池供能，但是动力电池的重量比较大，导致整车的有效载重量比较低，大部分的能源消耗在于承载非有效载荷。轻量化是无人车发展的趋势，其能节省材料、成本、降低损耗，对环保有重要影响。现有技术对动力电池的研究还不成熟，还无法做到降低动力电池重量的同时提高储能水平，因此目前轻量化的研究限于车体骨架。车体骨架主要起到承载车辆本身及乘客等载荷，为动力系统、制动系统等零部件提供定位和支撑作用。现有的车体骨架需要大量的模具投入和生产设备投入，加工工艺复杂、工序繁多，重量比较大，导致生产成本比较高。
实用新型内容
本实用新型的目的在于，提供一种应用于无人车的车体骨架总成，该车体骨架结构简单、质量轻、强度高，提高了无人车的有效载重量，在保证车身承载性能的同时实现了无人车的轻量化，降低了生产成本，还保证了车辆行驶过程中驾驶者的安全。
为解决上述技术问题，本实用新型采用如下的技术方案：
该种应用于无人车的车体骨架总成由前围骨架、后围骨架、顶盖骨架、左侧围骨架、右侧围骨架和地板骨架组成。所述前围骨架包括竖直对称设置的前左纵梁和前右纵梁以及平行设置的前上横梁和前中横梁，所述前上横梁和前中横梁的两端均固定在前左纵梁和前右纵梁上，所述纵梁和横梁构成封闭的截面，增强了前围骨架的强度。所述顶盖骨架包括第一主架杆、第二主架杆、第一主横杆和第二主横杆，所述第一主架杆两端与前左纵梁固定连接，所述第二主架杆两端与前右纵梁固定连接，所述第一主横杆和第二主横杆的两端均固定在第一主架杆和第二主架杆上。所述第一主横杆和第二主横杆使得顶盖骨架连接更牢固，增强了其稳定性。
为了增强前围骨架的连接强度，前述的前中横梁与地板骨架之间还对称设有前第一竖杆和前第二竖杆，将前中横梁和地板骨架固定在一起。所述前左纵梁与前第一竖杆之间还通过弧形连杆固定连接，所述前右纵梁与前第二竖杆之间也通过弧形连杆固定连接。当很大的正面力从车身前部施加于前围骨架上时，上述连杆变形以吸收产生的冲击，避免对驾驶员造成 较大的伤害。
进一步的，为了增强后围骨架的连接强度，前述的后围骨架与前围骨架在车身的前后端对称设置，构成相同。
前述的左侧围骨架包括左第一横杆、左第二横杆、左第一纵杆和左第二纵杆，所述左第一纵杆和左第二纵杆的顶端均与第一主架杆固定连接，底端均固定在地板骨架上，所述左第一横杆的两端分别与前左纵梁和左第一纵杆固定连接，所述左第二横杆的两端分别与左第二纵杆和前左纵梁固定连接。所述左第一横杆与前左纵梁、左第一纵杆及地板骨架形成了可供动力电池水平装入的中空的固定框。同理，所述左第二横杆与左第二纵杆、前左纵梁及地板骨架形成另一个可供动力电池水平装入的中空的固定框。所述左第一纵杆、左第二纵杆、第一主架杆与地板骨架构成车门框架。
前述的右侧围骨架包括右横杆、右第一纵杆和右第二纵杆，所述右第一纵杆和右第二纵杆的顶端均与第二主架杆固定连接，底端均固定在地板骨架上，所述右横杆设于第二主架杆与地板骨架之间，右横杆的两端固连在前右纵梁上。
前述的地板骨架包括前座位架、底盘主梁和后座位架，所述底盘主梁前端固定有前座位架，后端固定有后座位架。以往的地板骨架由单一部件构成，容易遭受扭曲变形，该种前座位架和后座位架均设有增强强度的脊骨，防止地板骨架扭曲变形。地板骨架主要起支撑作用，质量较大的动力电池分别放置在前座位架和后座位架上，其他零部件主要安装在底盘主梁上。
前述的前围骨架、后围骨架、顶盖骨架、左侧围骨架、右侧围骨架和地板骨架的材质均为空心型材，各个骨架均可由型材切断而成，降低了无人车的整体重量，大大简化了生产工艺，降低了生产成本。
与现有技术相比，本实用新型设计的车体骨架结构简单、强度高，骨架采用中空的型材组合，大大简化了成产工艺，降低了无人车的整体重量，提高了无人车的有效载重量。该实用新型在保证车身承载性能的同时实现了无人车的轻量化，降低了生产成本，还保证了车辆行驶过程中驾驶者的安全。
附图说明
图1是车体的结构示意图；
图2是车体的结构示意图；
图3是本实用新型的结构示意图。
附图标记的含义：1-前围骨架，101-前左纵梁，102-前右纵梁，103-前上横梁,104-前中横梁，105-前第一竖杆，106-前第二竖杆，107-弧形连杆，2-后围骨架，3-顶盖骨架，301- 第一主架杆，302-第二主架杆，303-第一主横杆，304-第二主横杆，4-左侧围骨架，401-左第一横杆，402-左第二横杆，403-左第一纵杆，404-左第二纵杆，5-右侧围骨架，501-右横杆，502-右第一纵杆，503-右第二纵杆，6-地板骨架，601-前座位架，602-底盘主梁，603-后座位架。
下面结合附图和具体实施方式对本实用新型作进一步的说明。
具体实施方式
本实用新型的实施例1：如图1、图2和图3所示，该种车体骨架总成的前围骨架1、后围骨架2、顶盖骨架3、左侧围骨架4、右侧围骨架5和地板骨架6的材质均为空心型材，各个骨架均可由型材切断而成，大大简化了生产工艺，降低了生产成本。前围骨架1包括竖直对称设置的前左纵梁101和前右纵梁102以及平行设置的前上横梁103和前中横梁104，前上横梁103和前中横梁104的两端均固定在前左纵梁101和前右纵梁102上，纵梁和横梁构成封闭的截面，增强了前围骨架1的强度。为了增强前围骨架1的连接强度，前述的前中横梁104与地板骨架6之间还对称设有前第一竖杆105和前第二竖杆106，将前中横梁104和地板骨架6固定在一起。所述前左纵梁101与前第一竖杆105之间还通过弧形连杆107固定连接，所述前右纵梁102与前第二竖杆106之间也通过弧形连杆107固定连接。当很大的正面力从车身前部施加于前围骨架1上时，上述连杆变形以吸收产生的冲击，避免对驾驶员造成较大的伤害。后围骨架2与前围骨架1在车身的前后端对称设置，构成相同。其中的顶盖骨架3包括第一主架杆301、第二主架杆302、第一主横杆303和第二主横杆304，第一主架杆301两端与前左纵梁101固定连接，第二主架杆302两端与前右纵梁102固定连接，第一主横杆303和第二主横杆304的两端均固定在第一主架杆301和第二主架杆302上。第一主横杆303和第二主横杆304使得顶盖骨架3连接更牢固，增强了其稳定性。
其中的左侧围骨架4包括左第一横杆401、左第二横杆402、左第一纵杆403和左第二纵杆404，左第一纵杆403和左第二纵杆404的顶端均与第一主架杆301固定连接，底端均固定在地板骨架6上，左第一横杆401的两端分别与前左纵梁101和左第一纵杆403固定连接，左第二横杆402的两端分别与左第二纵杆404和前左纵梁101固定连接。左第一横杆401与前左纵梁101、左第一纵杆403及地板骨架6形成了可供动力电池水平装入的中空的固定框。同理，左第二横杆402与左第二纵杆404、前左纵梁101及地板骨架6形成另一个可供动力电池水平装入的中空的固定框。左第一纵杆403、左第二纵杆404、第一主架杆301与地板骨架6构成车门框架。右侧围骨架5包括右横杆501、右第一纵杆502和右第二纵杆503，右第一纵杆502和右第二纵杆503的顶端均与第二主架杆302固定连接，底端均固定在地板骨架 6上，右横杆501设于第二主架杆302与地板骨架6之间，右横杆501的两端固连在前右纵梁102上。其中的地板骨架6包括前座位架601、底盘主梁602和后座位架603，底盘主梁602前端固定有前座位架601，后端固定有后座位架603。以往的地板骨架6由单一部件构成，容易遭受扭曲变形，该种前座位架601和后座位架603均设有增强强度的脊骨，防止地板骨架6扭曲变形。地板骨架6主要起支撑作用，质量较大的动力电池分别放置在前座位架601和后座位架603上，其他零部件主要安装在底盘主梁602上。前围骨架1、后围骨架2、顶盖骨架3、左侧围骨架4、右侧围骨架5和地板骨架6的外部包覆有蒙皮，蒙皮材质为玻璃钢。玻璃钢是一种具有良好耐腐蚀性能的复合材料，可以根据产品的形状、技术要求、用途及数量来灵活地选择成型工艺。玻璃钢质量轻、强度好，很好地降低了无人车的车身自重。另外，在无人车发生一些特殊情况，如撞击或翻车时，车身外壳不易破碎，保证驾驶者的安全。
实施例2：如图1、图2和图3所示，该种应用于无人车的车体骨架总成由前围骨架1、后围骨架2、顶盖骨架3、左侧围骨架4、右侧围骨架5和地板骨架6组成。前围骨架1包括竖直对称设置的前左纵梁101和前右纵梁102以及平行设置的前上横梁103和前中横梁104，前上横梁103和前中横梁104的两端均固定在前左纵梁101和前右纵梁102上，纵梁和横梁构成封闭的截面，增强了前围骨架1的强度。顶盖骨架3包括第一主架杆301、第二主架杆302、第一主横杆303和第二主横杆304，第一主架杆301两端与前左纵梁101固定连接，第二主架杆302两端与前右纵梁102固定连接，第一主横杆303和第二主横杆304的两端均固定在第一主架杆301和第二主架杆302上。第一主横杆303和第二主横杆304使得顶盖骨架3连接更牢固，增强了其稳定性。

Claims (7)

  1. 一种应用于无人车的车体骨架总成，由前围骨架(1)、后围骨架(2)、顶盖骨架(3)、左侧围骨架(4)、右侧围骨架(5)和地板骨架(6)组成，其特征在于，所述前围骨架(1)包括竖直对称设置的前左纵梁(101)和前右纵梁(102)以及平行设置的前上横梁(103)和前中横梁(104)，所述前上横梁(103)和前中横梁(104)的两端均固定在前左纵梁(101)和前右纵梁(102)上；
    所述顶盖骨架(3)包括第一主架杆(301)、第二主架杆(302)、第一主横杆(303)和第二主横杆(304)，所述第一主架杆(301)两端与前左纵梁(101)固定连接，所述第二主架杆(302)两端与前右纵梁(102)固定连接，所述第一主横杆(303)和第二主横杆(304)的两端均固定在第一主架杆(301)和第二主架杆(302)上。
  2. 根据权利要求1所述的应用于无人车的车体骨架总成，其特征在于，所述前中横梁(104)与地板骨架(6)之间还对称设有前第一竖杆(105)和前第二竖杆(106)；所述前左纵梁(101)与前第一竖杆(105)之间还通过弧形连杆(107)固定连接，所述前右纵梁(102)与前第二竖杆(106)之间也通过弧形连杆(107)固定连接。
  3. 根据权利要求2所述的应用于无人车的车体骨架总成，其特征在于，所述后围骨架(2)与前围骨架(1)在车身的前后端对称设置，构成相同。
  4. 根据权利要求3所述的应用于无人车的车体骨架总成，其特征在于，所述左侧围骨架(4)包括左第一横杆(401)、左第二横杆(402)、左第一纵杆(403)和左第二纵杆(404)，所述左第一纵杆(403)和左第二纵杆(404)的顶端均与第一主架杆(301)固定连接，底端均固定在地板骨架(6)上，所述左第一横杆(401)的两端分别与前左纵梁(101)和左第一纵杆(403)固定连接，所述左第二横杆(402)的两端分别与左第二纵杆(404)和前左纵梁(101)固定连接。
  5. 根据权利要求4所述的应用于无人车的车体骨架总成，其特征在于，所述右侧围骨架(5)包括右横杆(501)、右第一纵杆(502)和右第二纵杆(503)，所述右第一纵杆(502)和右第二纵杆(503)的顶端均与第二主架杆(302)固定连接，底端均固定在地板骨架(6)上，所述右横杆(501)设于第二主架杆(302)与地板骨架(6)之间，右横杆(501)的两端固连在前右纵梁(102)上。
  6. 根据权利要求5所述的应用于无人车的车体骨架总成，其特征在于，所述地板骨架(6)包括前座位架(601)、底盘主梁(602)和后座位架(603)，所述底盘主梁(602)前端固定有前座位架(601)，后端固定有后座位架(603)。
  7. 根据权利要求6所述的应用于无人车的车体骨架总成，其特征在于，所述前围骨架(1)、 后围骨架(2)、顶盖骨架(3)、左侧围骨架(4)、右侧围骨架(5)和地板骨架(6)的材质均为空心型材。
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