CN107990785A - A kind of engineering truck caterpillar chassis modular method and modular chassis - Google Patents
A kind of engineering truck caterpillar chassis modular method and modular chassis Download PDFInfo
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- CN107990785A CN107990785A CN201711440206.6A CN201711440206A CN107990785A CN 107990785 A CN107990785 A CN 107990785A CN 201711440206 A CN201711440206 A CN 201711440206A CN 107990785 A CN107990785 A CN 107990785A
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- 238000010276 construction Methods 0.000 claims description 19
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H7/00—Armoured or armed vehicles
- F41H7/02—Land vehicles with enclosing armour, e.g. tanks
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Abstract
The invention discloses a kind of engineering truck caterpillar chassis modular method and modular chassis, belong to Engineering endless-track vehicle technical field, crawler belt plate armour mobile platform can be made to carry out matching optimization design according to engineering vehicle chassis feature on the basis of conventional track mobile platform, modular chassis includes engineering vehicle chassis layout, rear nacelle (2), action module (3), double mode brake module (4).A kind of engineering truck caterpillar chassis modular method, including herein below；Engineering vehicle chassis is laid out and the rear nacelle design of uniform load carrying；This method and chassis possess the advantages that adapting to various engineering operation chassis demand, modification is fast, and the degree of modularity is high, suitable for the agile development of Engineering Armored tracklayer, it is a kind of new crawler-type mobile platform, suitable for a variety of armored engineering vehicles, is with a wide range of applications.
Description
Technical field
The invention belongs to Engineering endless-track vehicle technical field, is related to a kind of engineering truck novel crawler-type replaceable module
Chassis and modular method.
Background technology
China's Engineering tracked armored vehicle chassis at present, mainly has the disadvantage that：Firstth, bearing capacity is relatively low, and
Without armor facing, it is difficult to adapt to harsh environment high intensity engineer operation.Secondth, engineer operation device category is more, but general bottom
Disk deformability is poor, it is difficult to meets the installation requirement of heavy construction implement.3rd, the shape size of engineer operation equipment
Differ, volume is larger, and general chassis bearing space is smaller, it is difficult to meets bearing requirements.4th, the operation ring of some specific demands
Border requires chassis to possess automatic braking manipulation (as detected a mine), and the brake control device on existing plate armour chassis is difficult to meet the requirements.
The content of the invention
The object of the present invention is to provide a kind of engineering truck novel crawler-type replaceable module chassis, the mobile platform is used
It can realize and quickly carry out engineering field carrying nacelle Variant Design exploitation, automatic braking is matched and realized to optional action module
The advanced functions such as manipulation.
Technical scheme：A kind of engineering truck novel crawler-type modular chassis, including engineering vehicle chassis cloth
Office's structure, rear nacelle, action module, brake module；Engineering vehicle chassis layout structure is piggyback pod, cockpit, rear nacelle
Space Layout Structure；Nacelle respectively left side nacelle afterwards, middle nacelle, three nacelles of right side nacelle, left side nacelle, right side cabin
Body is made of horizontal deck, the side deck of homonymy and deckhead；Right side nacelle horizontal deck pushes up first in the nacelle of right side
Plate installation space, for the controller unit in installing engineering equipment；Top of the left side nacelle horizontal deck extremely in the nacelle of left side
Deck installation space, the installation for chassis relevant device；Middle freight space is between right side nacelle, left side nacelle, for installing
Operation console in engineering equipment；Left side nacelle is consistent with right side nacelle space size, for it to be respectively divided into three using partition plate
Compartment space, compartment space are substantially impartial；The equipment of each nacelle can adjust position mutually in three spaces of the side nacelle
Put；Action module is two kinds of optional action modules, it is respectively:5 pairs of heavy burden wheel constructions, 6 pairs of heavy burden wheel constructions；Integrated double mode
Brake module includes two kinds：One kind is traditional manual mechanical braking manipulation device, and one kind is automatic electro-hydraulic brake control device.
Preferably, above-mentioned a kind of engineering truck novel crawler-type modular chassis, uses in the inside of rear deck and top
The partition plate of subsidiary reinforcing rib.
Preferably, a kind of above-mentioned engineering truck novel crawler-type modular chassis, it is characterised in that the length of rear nacelle
It can change, otherwise its length is suitable for 5 pairs of bogie wheels, otherwise it is suitable for 6 pairs of bogie wheels.
Preferably, a kind of above-mentioned engineering truck novel crawler-type modular chassis, it is characterised in that 5 pairs of heavy burden rolling hitches
Structure, 6 pairs of heavy burden wheel constructions, correspond to the car body of different length respectively.
Preferably, a kind of above-mentioned engineering truck novel crawler-type modular chassis, it is characterised in that engineering vehicle chassis
Layout structure uses existing layout, and crawler belt plate armour mobile platform is on the basis of conventional track mobile platform according to engineering truck bottom
Nacelle designs after disk feature carries out.
Preferably, above-mentioned a kind of engineering truck novel crawler-type modular chassis, it is characterised in that be above deckhead
The installation space of Working mechanism in engineering equipment.
A kind of engineering truck crawler type modular method, it is characterised in that this method comprises the following steps：Step 1：It is right
Piggyback pod, cockpit, the space structure of rear nacelle are modeled, and the space structure of nacelle is laid out after design；Afterwards nacelle according to
Modular construction is modeled, model the modular construction that uses for：Nacelle respectively left side nacelle afterwards, middle nacelle, right side
Three nacelles of nacelle；Left side nacelle, right side nacelle are made of horizontal deck, the side deck of homonymy and deckhead；Left side nacelle
It is consistent with right side nacelle space size, left side nacelle and right side nacelle are respectively divided into by three compartment spaces, compartment using partition plate
Space is substantially uniform；With reference to the vehicle inner length height dimension of existing either demand, some preliminary rear nacelle is determined
Design, obtain length, the height of basic compartment structure, and internal partition room away from；Step 2：According to engineering equipment class
Not and engineering equipment needs the position placed, determines the layout of engineering equipment；The modularization that layout uses is defined to：Right side
Nacelle horizontal deck is to deckhead installation space in the nacelle of right side is located at, for the controller unit in installing engineering equipment；Left side
Nacelle horizontal deck is to the deckhead installation space in the nacelle of left side, the installation for chassis infrastructure device；Middle freight space
Between right side nacelle, left side nacelle, for the operation console in installing engineering equipment；Step 3：Placed according to each space
The size of engineering equipment, estimates the length of the either rear nacelle of size in each space, obtains the zoom factor in space, use in advance
Zoom factor is multiplied by the length of basic compartment structure, height, and internal partition room away from, obtain above-mentioned left side nacelle, it is middle
Nacelle, the new size of three nacelles of right side nacelle.
Preferably, above-mentioned a kind of engineering truck crawler type modular method, it is characterised in that further include step 4：OK
During dynamic system design, bogie wheel quantity is selected according to vehicle commander's degree, it is the corresponding structure of 5 pairs of bogie wheels first to draft bogie wheel, is calculated
Whether total spacing meets the length requirement of rear nacelle, when total spacing is no more than the length requirement of rear nacelle, keeps 5 pairs of bogie wheels
Structure is constant, otherwise using 6 pairs of heavy burden wheel constructions.
Preferably, above-mentioned a kind of engineering truck crawler type modular method, it is characterised in that further include step 5：System
Dynamic system design, electro-hydraulic brake manipulation module or armstrong's patent braking maneuver module are matched according to vehicle braking function demand.
Preferably, above-mentioned a kind of engineering truck crawler type modular method, in step 2：Set above deckhead for engineering
The installation space of Working mechanism in standby.
In the Modular track formula universal chassis on the basis of conventional track mobile platform, take to car body, action, system
The mode that dynamic manipulation module is matched into row set, flexible combination car body, action module, braking maneuver module, so as to build correspondence
Adaptability component.According to the characteristics of engineering field vehicle and requirement, to the propulsion system of conventional track mobile platform into every trade
Dynamic matching optimization, the load exclusive to engineering truck and special equipment are optimized from total arrangement, in rear deck
Left side and top deck, right side and top deck are employed the design of gusset compartment structure by portion respectively, and hold the load of rear deck
Loading capability is balanced, suitable for the modular variation of nacelle.Action module includes 5 pairs of bogie wheel modules or 6 pairs of bogie wheel modules
Deng two kinds of modules, to meet that engineering field vehicle corresponds to the walking requirement of two kinds of different length over ends of body, it is integrated with terms of manipulation
Manual and automatic double mode formula brake module, to meet the requirement of the different braking under daily traveling/special engineering job state, is realized
The online braking maneuver of driver and offline braking maneuver function.It is novel modularized compared with conventional track mobile platform
Crawler type universal chassis is easy with carrying nacelle modification, and optional action module matches and realize that unmanned automatic braking manipulates
The advantages that characteristic, possesses and adapts to various engineering job requirements, and modification is fast, and the degree of modularity is high, suitable for the quick of Engineering vehicle
Victory exploitation, is a kind of new Universal crawler-type mobile platform.
Beneficial effects of the present invention：
The present invention has under the premise of stronger armor protective performance, and length over ends of body may be modified exploitation, inside rear deck
And the engineering equipment installation space that top is reserved is larger, carrying section structure design is beneficial to quick varied design and develops, optional action mould
The features such as block apolegamy is to be adapted to different length over ends of body, and realize the unmanned automatic braking manipulation under engineer operation operating mode, fits
For the agile development of Engineering vehicle, it is a kind of new crawler type plate armour mobile platform, suitable for various engineering car, has
Extensive application prospect.
Brief description of the drawings
Fig. 1, a kind of engineering truck chassis side view of 5 pairs of bogie wheel states.
Fig. 2, a kind of engineering truck chassis top view of 5 pairs of bogie wheel states.
Fig. 3, a kind of engineering truck chassis side view of 6 pairs of bogie wheel states.
Fig. 4, a kind of engineering truck chassis top view of 6 pairs of bogie wheel states.
The specific implementation flow chart of Fig. 5, a kind of engineering truck caterpillar chassis modular method method.
It is wherein corresponding to represent as follows：Rear deck partition plate (1), rear nacelle (2), action module (3), integrated double mode brake module
(4), engineering equipment (Working mechanism) (5), engineering equipment (controller unit) (6), engineering equipment (operation equipment) (7), piggyback pod
(8), cockpit (9) deckhead (10), horizontal deck (11).
Embodiment
Optimal two kinds of embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
A kind of engineering truck caterpillar chassis modular method, including herein below；
S1 engineering vehicle chassis layout methods；The rear nacelle design of S2 uniform loads carrying；S3 behavioral systems design；S4 systems
Dynamic system design.
Wherein, engineering vehicle chassis layout meets that vehicle vehicle commander's degree is variable, rear deck alterable height.
The rear nacelle design method of S2 uniform loads carrying：Horizontal deck to deckhead region is engineering equipment on the left of rear deck
The installation space of (controller unit)；Installation space of the left side horizontal deck to deckhead region for chassis infrastructure device；Equipment exists
Position can be adjusted in the range of nacelle mutually；It is the installation space of engineering equipment (Working mechanism) above deckhead.
Module, brake module, vehicle body space and interface take action according to the change of the apolegamy situation of corresponding device, to meet engineering
The demand of vehicular field.
Behavioral system designs：The length of nacelle can carry out ratio method or diminution afterwards, therefore can be suitable for two kinds of rows
Dynamic system, is designed as that two kinds of behavioral systems can be applied, and one kind is 5 pairs of bogie wheel modules, and one kind is 6 pairs of bogie wheel modules, respectively
The car body of corresponding different length.
Brake systems design：It is designed as that two kinds of braking control systems can be applied：One kind is armstrong's patent braking maneuver module,
One kind is automatic electro-hydraulic braking maneuver module, is matched respectively according to configuration requirement.
A kind of engineering truck novel crawler-type modular chassis, including engineering vehicle chassis layout structure, rear nacelle (2),
Module of taking action (3), (integrated double mode) brake module (4)；
Engineering vehicle chassis layout structure uses existing layout, and crawler belt plate armour mobile platform is in conventional track mobile platform
On the basis of matching optimization design carried out according to engineering vehicle chassis feature, it is specific carry out after nacelle design
Nacelle (2) afterwards：Nacelle respectively left side nacelle afterwards, middle nacelle, three nacelles of right side nacelle, left side nacelle, the right side
Side nacelle is made of horizontal deck, the side deck of homonymy and deckhead,
Right side nacelle horizontal deck (is controlled to positioned at deckhead installation space in the nacelle of right side for installing engineering equipment
Instrument).
Left side nacelle horizontal deck is to the deckhead installation space in the nacelle of left side, the peace for chassis infrastructure device
Dress.
Middle freight space is between right side nacelle, left side nacelle, for installing engineering equipment operation platform.
Left side nacelle is consistent with right side nacelle space size, for it to be respectively divided into three compartment spaces using partition plate, every
Cabin space is substantially impartial.The equipment of each nacelle can adjust position mutually in three spaces of the side nacelle, logical to be adapted to
Required with chassis structure,
It is the installation space of engineering equipment (Working mechanism) above deckhead.
In order to realize that uniform load carries, reinforcing plate side section has reinforcing rib, and reinforcing rib is used to play support load
Lotus acts on.
The reinforcing rib that subsidiary partition plate is employed in the inside of rear deck and top carries out compartment design, and enables the carrying of compartment
Power is balanced, bears responsibility loading capability suitable for the modularization deformation of nacelle and higher cabin.
The length of nacelle (2) can become that to turn to be that the length of whole car body is suitable for 5 pairs of bogie wheels afterwards, while be applicable in again
In 6 pairs of bogie wheels.
Module of taking action (3), the chassis include two kinds of optional action modules and supply to select during design planning, and one kind is 5 pairs negative
Roller module, one kind are 6 pairs of bogie wheel modules, correspond to the car body of different length respectively.
Integrated double mode brake module (4), the universal chassis include two kinds of braking maneuver modules and supply to select during design planning
With one kind is traditional manual mechanical braking manipulation module, and one kind is automatic electro-hydraulic braking maneuver module, respectively according to configuration requirement
Matched.
A kind of engineering truck crawler type modular method：Comprise the following steps：
Step 1：The space structure of piggyback pod, cockpit, rear nacelle is modeled, design motivation cabin, cockpit, after
The space layout of nacelle, the space structure layout of especially rear nacelle.
Wherein piggyback pod, cockpit use traditional modeling method, and rear nacelle is modeled according to modular construction, and modeling is adopted
Modular construction is：Nacelle respectively left side nacelle afterwards, middle nacelle, three nacelles of right side nacelle；Left side nacelle, right side
Nacelle is made of horizontal deck, the side deck of homonymy and deckhead；Left side nacelle is consistent with right side nacelle space size, uses
Left side nacelle and right side nacelle are respectively divided into three compartment spaces by partition plate, and compartment space is substantially uniform.
With reference to the vehicle inner length height dimension of existing either demand, determine some preliminary piggyback pod, drive
Sail cabin, especially after nacelle design, obtain length, the height of basic compartment structure, and internal partition room away from.
Step 2：The position for needing to place according to engineering equipment classification and engineering equipment, determines the cloth of engineering equipment
Office.
The modularization that layout uses is defined to：Right side nacelle horizontal deck is to positioned at deckhead installation sky in the nacelle of right side
Between, for the controller unit in installing engineering equipment；
Left side nacelle horizontal deck is to the deckhead installation space in the nacelle of left side, the peace for chassis infrastructure device
Dress；
Middle freight space is between right side nacelle, left side nacelle, for the operation console in installing engineering equipment.
Step 3：The size for the engineering equipment placed according to each space, estimates the size in each space either in advance
The length of nacelle afterwards, obtains the zoom factor in space, (i.e. to each position ruler on the basis of the definite design result of step 1
The amplification and diminution that little progress row arranges on year-on-year basis) length, the height of basic compartment structure, and internal partition plate are multiplied by with zoom factor
Spacing, obtains above-mentioned left side nacelle, middle nacelle, the new size of three nacelles of right side nacelle.
Step 4：When behavioral system designs, bogie wheel quantity is selected according to vehicle commander's degree, first drafts bogie wheel as 5 pairs of heavy burdens
Corresponding structure (pre-determined modular structure) is taken turns, the length requirement whether total spacing meets rear nacelle is calculated, when total
When spacing is no more than the length requirement of rear nacelle, keep 5 pairs of heavy burden wheel constructions constant, otherwise using 6 pairs of heavy burden wheel constructions (in advance
Definite modular construction).The wherein total spacing of bogie wheel the sum of distance between adjacent bogie wheel touchdown point.
Step 5, brake systems design, electro-hydraulic brake manipulation module or manual is matched according to vehicle braking function demand
Mechanical braking manipulation module.
It is leading according to the implement demand that engineering truck is equipped with, with reference to the characteristics of caterpillar chassis, keeps car body wide
Spend constant, deckhead be supported using the reinforcing rib of subsidiary partition plate, and using gusset as boundary by vehicle rear deck in horizontal first
Spaced-apart above plate, gusset and car body are attached by the way of welding, and gusset plays a supportive role, with horizontal deck,
Side deck, deckhead form local space, so that the rigidity increase of deckhead, the structure are welded above deck using gusset
Form can play a supporting role deckhead, meet space requirement and rigid support of the rear deck in the range of loading, carrying
It is required that.
Vehicle vehicle commander degree is variable when being planned between 4 meters to 9 meters, and rear deck height is variable when being planned between 1 meter 5 to 2 meters.
Wherein, crawler belt plate armour mobile platform on the basis of conventional track mobile platform according to engineering vehicle chassis feature into
Row matching optimization designs, and optional action module 3, integrated double mode brake module 4 are replaceable module, and power and auxiliary system are protected
It is constant to hold original state.
Vehicle vehicle commander degree, highly determine according to engineer operation equipment.Action module 3, gyropilot, which belong to, collects in pairs
Pattern brake module 4；Vehicle body space and interface are changed according to the apolegamy situation of corresponding device, to meet the need in engineering truck field
Ask.
Present example contains the universal chassis under two kinds of walking states of 5 pairs of bogie wheels and 6 pairs of bogie wheels most
Good example, which also contains two kinds of car body states of the present invention, and when carrying out Variant Design exploitation, its bearing space can be
Variant Design is carried out in both state ranges, i.e., bearing space is enlarged or contracted according to the space requirement of detailed programs
Small processing, its result handled still meet chassis overall performance requirement.
Wherein, Fig. 1, Fig. 2 are the preferred examples under 5 pairs of bogie wheel states of the present invention；Wherein, Fig. 3, Fig. 4 are the present invention
6 pairs of bogie wheel states under preferred example.Fig. 1, Fig. 2 are the preferred examples of engineering truck crawler body under 5 pairs of bogie wheel states,
5 pairs of bogie wheel modules, the car body of corresponding corresponding length are selected in the chassis.
The chassis is selected manually and automatic braking manipulation device, realizes that traditional manual mechanical braking manipulates and automatic electro-hydraulic
Braking maneuver.
Fig. 3, Fig. 4 are the preferred examples of engineering truck crawler body under 6 pairs of bogie wheel states.
Its vehicle vehicle commander degree, highly determine according to engineer operation equipment, which selects 6 pairs of bogie wheel modules, corresponding phase
Answer the car body of length.
Hand brake manipulation device is selected on the chassis, realizes that traditional manual mechanical braking manipulates.
Claims (10)
- A kind of 1. engineering truck novel crawler-type modular chassis, it is characterised in that including engineering vehicle chassis layout structure, after Nacelle (2), action module (3), brake module (4)；Engineering vehicle chassis layout structure is piggyback pod, cockpit, the Space Layout Structure of rear nacelle；Nacelle is respectively left side nacelle afterwards, and middle nacelle, three nacelles of right side nacelle, left side nacelle, right side nacelle are by level Deck, the side deck of homonymy and deckhead composition；Right side nacelle horizontal deck is to deckhead installation space in the nacelle of right side is located at, for the controller in installing engineering equipment Device；Left side nacelle horizontal deck is to the deckhead installation space in the nacelle of left side, the installation for chassis relevant device；In Between freight space between right side nacelle, left side nacelle, for the operation console in installing engineering equipment；Left side nacelle is empty with right side nacelle Between it is in the same size, for it to be respectively divided into three compartment spaces using partition plate, compartment space is substantially impartial；The equipment of each nacelle Position can be adjusted in three spaces of the side nacelle mutually；Module of taking action (3) is two kinds of optional action modules, it is respectively:5 pairs of heavy burden wheel constructions, 6 pairs of heavy burden wheel constructions；Integrated double mode brake module (4) includes two kinds：One kind is traditional manual mechanical braking manipulation device, and one kind is automatic Electro-hydraulic brake manipulation device.
- 2. a kind of engineering truck novel crawler-type modular chassis according to claim 1, it is characterised in that in rear deck Internal and top employs the partition plate of subsidiary reinforcing rib.
- A kind of 3. engineering truck novel crawler-type modular chassis according to claim 1, it is characterised in that rear nacelle (2) length can change, otherwise its length is suitable for 5 pairs of bogie wheels, otherwise it is suitable for 6 pairs of bogie wheels.
- A kind of 4. engineering truck novel crawler-type modular chassis according to claim 1, it is characterised in that 5 pairs of heavy burdens Wheel construction, 6 pairs of heavy burden wheel constructions, correspond to the car body of different length respectively.
- A kind of 5. engineering truck novel crawler-type modular chassis according to claim 1, it is characterised in that engineering truck Chassis layout structure uses existing layout, and crawler belt plate armour mobile platform is on the basis of conventional track mobile platform according to engineering truck Nacelle designs after Chassis character carries out.
- 6. a kind of engineering truck novel crawler-type modular chassis according to claim 1, it is characterised in that on deckhead Side is the installation space of the Working mechanism in engineering equipment.
- 7. a kind of engineering truck crawler type modular method, it is characterised in that this method comprises the following steps：Step 1：The space structure of piggyback pod, cockpit, rear nacelle is modeled, and design after nacelle space structure cloth Office；Nacelle is modeled according to modular construction afterwards, model the modular construction that uses for：Nacelle is respectively left side nacelle afterwards, Middle nacelle, three nacelles of right side nacelle；Left side nacelle, right side nacelle are by horizontal deck, the side deck of homonymy and deckhead Composition；Left side nacelle is consistent with right side nacelle space size, and left side nacelle and right side nacelle are respectively divided into three using partition plate Compartment space, compartment space are substantially uniform；With reference to the vehicle inner length height dimension of existing either demand, determine the design of some preliminary rear nacelle, obtain Length, height to basic compartment structure, and internal partition room away from；Step 2：The position for needing to place according to engineering equipment classification and engineering equipment, determines the layout of engineering equipment；The modularization that layout uses is defined to：Right side nacelle horizontal deck is used to positioned at deckhead installation space in the nacelle of right side Controller unit in installing engineering equipment；Left side nacelle horizontal deck is to the deckhead installation space in the nacelle of left side, the installation for chassis infrastructure device；Middle freight space is between right side nacelle, left side nacelle, for the operation console in installing engineering equipment；Step 3：The size for the engineering equipment placed according to each space, estimates the size either rear deck in each space in advance The length of body, obtains the zoom factor in space, is multiplied by length, the height of basic compartment structure with zoom factor, and internal Partition room is away from obtaining above-mentioned left side nacelle, middle nacelle, the new size of three nacelles of right side nacelle.
- 8. a kind of engineering truck crawler type modular method according to claim 7, it is characterised in that further include step Four：When behavioral system designs, bogie wheel quantity is selected according to vehicle commander's degree, it is the corresponding structure of 5 pairs of bogie wheels first to draft bogie wheel, The length requirement whether total spacing meets rear nacelle is calculated, when total spacing is no more than the length requirement of rear nacelle, is kept for 5 pairs bear Roller structure is constant, otherwise using 6 pairs of heavy burden wheel constructions.
- 9. a kind of engineering truck crawler type modular method according to claim 7, it is characterised in that further include step Five：Brake systems design, electro-hydraulic brake manipulation module or armstrong's patent braking maneuver are matched according to vehicle braking function demand Module.
- 10. a kind of engineering truck crawler type modular method according to claim 7, it is characterised in that in step 2：Top It is the installation space of the Working mechanism in engineering equipment above deck.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917479A (en) * | 2018-06-28 | 2018-11-30 | 湖南大学 | A kind of armored housings and its optimization method of light airborne battlebus |
| CN109458880A (en) * | 2018-12-05 | 2019-03-12 | 北京北方车辆集团有限公司 | A kind of building block system crawler belt panzer |
| CN109470085A (en) * | 2018-11-29 | 2019-03-15 | 北京北方车辆集团有限公司 | A kind of armored vehicle changes cabin method and changes cabin vehicle body combined structure |
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