CN207607312U - The dual-purpose driven suspension system of fire fighting truck rail running of rail - Google Patents
The dual-purpose driven suspension system of fire fighting truck rail running of rail Download PDFInfo
- Publication number
- CN207607312U CN207607312U CN201720711587.6U CN201720711587U CN207607312U CN 207607312 U CN207607312 U CN 207607312U CN 201720711587 U CN201720711587 U CN 201720711587U CN 207607312 U CN207607312 U CN 207607312U
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- rail
- fixing bracket
- fire fighting
- dual
- swinging mounting
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Abstract
The utility model is related to a kind of dual-purpose driven suspension systems of fire fighting truck rail running of rail, the system is by fixing bracket, swinging mounting, damping, driven bogie, hydraulic cylinder, link mechanism and rail wheel composition, fixing bracket is divided into left and right symmetrical part, swinging mounting, damping and hydraulic cylinder, link mechanism and rail wheel or so part are identical, fixing bracket is connect with chassis frame longeron and hydraulic cylinder and swinging mounting respectively, swinging mounting is connect with forecarriage assembly by dual spring damping, it is limited with rubber among spring, constitute shock absorbing part, rail wheel is connect with forecarriage assembly.Fixing bracket, swinging mounting connect composition four-bar mechanism with two connecting rods, hydraulic cylinder.When bogie swing is propped up, double leval jib has moment amplification effect, reduces cylinder force, and rail row state swinging mounting crosses swing hinge joint and forms dead point, oil cylinder no longer stress.
Description
Technical field
The utility model is related to one kind be related to one kind can will not be dramatically increased street rod chassis weight and
Very big motor space and lifting capacity are occupied, while the rail two of entire rail system complexity and maintenance difficulty will not be increased again
With the driven suspension system of fire fighting truck rail running, belong to the driven suspension manufacturing field of the dual-purpose fire fighting truck rail running of rail.
Background technology
Domestic and international rail convertible car is broadly divided into two major classes type：
The first kind be in common vehicle install additional rail running guider, track when driving, guider is put into
In rail, ensure the relative position between vehicle body and track, guider not bearing vehicle body weight or part bearing vehicle body weight
Amount, rubbing action of the rail running power resources between road running tire and rail.Such rail convertible vehicle is in length
There is following defect in phase in：（1）The rubber tyre and rail surface contact area of highway walking are small, increase than pressure, tyre surface is in lotus
Recast is deformed with concave shape, due to rail level burr and track switch wedge angle, so that rubber wheel tyre surface is seriously worn, wound is split.（2）Guider
Certain proportion car body weight is carried, the ratio the high more is conducive to prevent from derailing, but the opposite reduction of rubber wheel loading, causes tractive force
Decline, or even skids；Otherwise rubber tyre serious wear.（3）Sleety weather rubber tyre is reduced with rail level friction coefficient, makes vehicle
Stall is skidded, and normal all weather operations are influenced.
Second class rail convertible car is to be reequiped to automobile chassis, installs the power with hydraulic-driven locomotor activity and turns
To frame, bogie is put into rail by lifting body when driving in track, and entire vehicle body is lifted off ground, makes bogie
Carry entire car body weight.Disadvantage is that the power truck and railroad train of such rail convertible vehicle installation
Dual-axis bogie structure is identical so that automobile chassis weight increases considerably after repacking, and occupies prodigious motor space, phase
To reducing the lifting capacity of automobile；On the other hand, the lifting body of such rail running system is increased independently of bogie
The complexity of entire rail system brings difficulty to the dismounting of entire rail running system and repair.
Utility model content
Purpose of design：Avoid the shortcoming in background technology, design one kind that repacking vapour can will not be dramatically increased
Chassis weight, and very big motor space and lifting capacity will not be occupied, while entire rail system complexity will not be increased again
With the dual-purpose driven suspension system of fire fighting truck rail running of rail of maintenance difficulty.
Design scheme：In order to realize above-mentioned purpose of design.The application is directed to background technology above shortcomings, provides one
The kind dual-purpose driven suspension system of fire fighting truck rail running of rail, the system simplify the machinery of the dual-purpose fire fighting truck rail system of rail
Structure, using double leval jib jack, stress of the optimization oil cylinder in folding and unfolding and rail row state makes installation and the dimension of rail system
It repaiies more convenient, securely and reliably, reduces the weight and installation space of rail system, increase the load-carrying of the dual-purpose fire fighting truck of rail
Amount.In structure design, the dual-purpose driven suspension of fire fighting truck rail running of rail by fixing bracket, swinging mounting, damping, from
Dynamic bogie, hydraulic cylinder, link mechanism and rail wheel composition.Fixing bracket is connect with chassis of fire engine vehicle frame, swing part
It is connect with rail wheel by spring shock absorption component.With swinging mounting by hinged axis connection, hinge point has from profit fixing bracket
Slide-bar set.Fixing bracket connect composition four-bar mechanism with swinging mounting by link mechanism with oil cylinder, passes through the flexible fortune of oil cylinder
It is dynamic to make swinging mounting arcuate oscillating motion, it completes the support of rail wheel and packs up.
The application, which not only limits to, is suitable for the dual-purpose fire fighting truck of rail, but is not limited to the dual-purpose fire fighting truck of rail, and the application is same
When lifting suitable for most of rail convertible vehicle railway walking system secondary part.
Technical solution：A kind of dual-purpose driven suspension system of fire fighting truck rail running of rail, including the dual-purpose fire fighting truck of rail, institute
The driven suspension system of rail running in the dual-purpose fire fighting truck of rail is stated by fixing bracket, swinging mounting, damping spring, driven steering
Frame, hydraulic cylinder, link mechanism and rail wheel composition；Fixing bracket is connect with chassis of fire engine vehicle frame, and swinging mounting is by subtracting
Shake spring and driven bogie are connect with rail wheel.
The utility model compared with the background art, first, simple in structure：The mechanism structure is simple, reasonable design, due to disappearing
Anti- vehicle device is more, and load-carrying is big, it is desirable that rail row suspension installation space is small, and from heavy and light, and rail wheel is packing up still rail row state
All components are no more than subframe；Second is that safe and reliable：Since the mechanism uses four-bar mechanism, when rail wheel is propped up,
Four-bar mechanism can effectively reduce the pressure of oil cylinder, be conducive to the safety of hydraulic system, and swinging mounting is swung when in-orbit row state
Oil cylinder is protected to make oil cylinder be not subject to the pressure that vehicle its own gravity is brought more than dead point, while being also prevented from oil cylinder for a long time
Being unloaded in stress leads to rail row suspension " soft leg ".
Description of the drawings
Fig. 1 is track fire fighting truck track front suspension structure schematic diagram.
Fire fighting truck schematic side view when Fig. 2 is rail running.
Fire fighting truck schematic side view when Fig. 3 is road running.
Specific implementation mode
Embodiment 1：With reference to attached drawing 1-3.A kind of dual-purpose driven suspension system of fire fighting truck rail running of rail, including rail two
With fire fighting truck 1, the driven suspension system of rail running in the dual-purpose fire fighting truck of the rail 1 by fixing bracket, swinging mounting 4, subtract
Spring 9, driven bogie 10, hydraulic cylinder 5, link mechanism 6 and 7 and rail wheel 11 is shaken to form；Fixing bracket and fire fighting truck bottom
Jiggering frame connects, and swinging mounting 4 is connect by damping spring 9 and driven bogie 10 with rail wheel 11.Fixing bracket and swing
Holder 4 is connected by articulated shaft 8, and hinge point has self lubrication bearing.Fixing bracket passes through link mechanism 6 and 7 with swinging mounting 4
It connect composition four-bar mechanism with oil cylinder, 4 arcuate oscillating motion of swinging mounting is made by 5 stretching motion of hydraulic cylinder, completes rail wheel
Support with pack up.Fixing bracket is made of left fixing bracket 2 and right fixing bracket 3.11 jack of rail wheel is by fixing branch
Frame, swinging mounting 4, link assembly 1 and link assembly 27 form four-bar mechanism.Its working method, 1）Hydraulic cylinder 5 is lived
The synchronous of stopper rod is stretched out, and swinging mounting 4 is made to be rotated around axis pin 8, so that rail wheel 11 is contacted rail, is gradually lifted off ground by fire fighting truck 1
The dual-purpose fire fighting truck of rail 1 is completed from road running system to the switching of rail running system in face；Opposite, 5 piston of hydraulic cylinder
The synchronous of bar is retracted, and so that swinging mounting 4 is rotated around axis pin 8, so that rail wheel 11 is withdrawn from rail, fire fighting truck is gradually put back to ground,
The dual-purpose fire fighting truck of rail is completed from rail running system to the switching of road running system；2）Under track transport condition, track
It takes turns 11 core wheels and is biased to automobile forward direction compared with 8 center of rack shaft, and safe eccentric size is had according to the guarantee of vehicle situation, when
When the weight of fire fighting truck acts on forecarriage so that have self-locking function in structure, ensure that the dual-purpose fire fighting truck of rail is in-orbit
Road is in the self-locking state in structure always when driving.
When 11 retracted state of rail wheel is with state is propped up, hydraulic cylinder 5 is no more than subframe or more, is conducive to fire-fighting and sets
Standby arrangement and installation.Rail wheel 11 is set to contact rail in the effect of hydraulic cylinder 5, when fire fighting truck 1 being gradually lifted off ground, four connect
Linkage has arm of force amplification, effectively reduces oil cylinder load, improves hydraulic system safety.
It is to be understood that：Although above-described embodiment contrasts detailed word to the mentality of designing of the utility model
Description, but these verbal descriptions only describe the simple text of the utility model mentality of designing, rather than new to this practicality
It is new to each fall within this practicality for the limitation of type mentality of designing, any combination, increase or modification without departing from the utility model mentality of designing
In the protection domain of type.
Claims (5)
1. a kind of dual-purpose driven suspension system of fire fighting truck rail running of rail, including the dual-purpose fire fighting truck of rail（1）, it is characterized in that：
The dual-purpose fire fighting truck of rail（1）In the driven suspension system of rail running by fixing bracket, swinging mounting（4）, damping spring
（9）, driven bogie（10）, hydraulic cylinder（5）, link mechanism（6,7）And rail wheel（11）Composition；Fixing bracket and fire fighting truck
Chassis frame connects, swinging mounting（4）Pass through damping spring（9）And driven bogie（10）With rail wheel（11）Connection.
2. the dual-purpose driven suspension system of fire fighting truck rail running of rail according to claim 1, it is characterized in that：Fixing bracket
With swinging mounting（4）Pass through articulated shaft（8）Connection, hinge point have self lubrication bearing.
3. the dual-purpose driven suspension system of fire fighting truck rail running of rail according to claim 1, it is characterized in that：Fixing bracket
With swinging mounting（4）Pass through link mechanism（6,7）It connect composition four-bar mechanism with oil cylinder, passes through hydraulic cylinder（5）Flexible fortune
It is dynamic to make swinging mounting（4）Arcuate oscillating motion, completes the support of rail wheel and packs up.
4. the dual-purpose driven suspension system of fire fighting truck rail running of rail according to claim 1, it is characterized in that：Fixing bracket
By left fixing bracket（2）With right fixing bracket（3）It constitutes.
5. the dual-purpose driven suspension system of fire fighting truck rail running of rail according to claim 1, it is characterized in that：Rail wheel
（11）Jack is by fixing bracket, swinging mounting（4）, link assembly one（6）With link assembly two（7）Form double leval jib machine
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711587.6U CN207607312U (en) | 2017-06-19 | 2017-06-19 | The dual-purpose driven suspension system of fire fighting truck rail running of rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711587.6U CN207607312U (en) | 2017-06-19 | 2017-06-19 | The dual-purpose driven suspension system of fire fighting truck rail running of rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207607312U true CN207607312U (en) | 2018-07-13 |
Family
ID=62793117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720711587.6U Active CN207607312U (en) | 2017-06-19 | 2017-06-19 | The dual-purpose driven suspension system of fire fighting truck rail running of rail |
Country Status (1)
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| CN (1) | CN207607312U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080719A (en) * | 2018-09-07 | 2018-12-25 | 湖南千智机器人科技发展有限公司 | A kind of caterpillar band traveling chassis and crawler belt get over trench car |
| CN109130735A (en) * | 2017-06-19 | 2019-01-04 | 中铁宝桥集团有限公司 | The driven suspension system of the dual-purpose fire fighting truck rail running of rail and working method |
| CN114307008A (en) * | 2021-12-17 | 2022-04-12 | 江苏振翔车辆装备股份有限公司 | Dual-purpose rescue fire engine of rail |
-
2017
- 2017-06-19 CN CN201720711587.6U patent/CN207607312U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130735A (en) * | 2017-06-19 | 2019-01-04 | 中铁宝桥集团有限公司 | The driven suspension system of the dual-purpose fire fighting truck rail running of rail and working method |
| CN109130735B (en) * | 2017-06-19 | 2024-04-26 | 中铁宝桥集团有限公司 | Rail-driven suspension system for dual-purpose fire truck and working method |
| CN109080719A (en) * | 2018-09-07 | 2018-12-25 | 湖南千智机器人科技发展有限公司 | A kind of caterpillar band traveling chassis and crawler belt get over trench car |
| CN114307008A (en) * | 2021-12-17 | 2022-04-12 | 江苏振翔车辆装备股份有限公司 | Dual-purpose rescue fire engine of rail |
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