CN107264215A - A kind of suspension arrangement of semitrailer - Google Patents
A kind of suspension arrangement of semitrailer Download PDFInfo
- Publication number
- CN107264215A CN107264215A CN201710485710.1A CN201710485710A CN107264215A CN 107264215 A CN107264215 A CN 107264215A CN 201710485710 A CN201710485710 A CN 201710485710A CN 107264215 A CN107264215 A CN 107264215A
- Authority
- CN
- China
- Prior art keywords
- front axle
- bridge mechanism
- lever
- hand member
- hinged
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0521—Pneumatic spring characteristics the spring having a flexible wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/045—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on different axles on the same side of the vehicle, i.e. the left or the right side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
- B60G2204/81—Interactive suspensions; arrangement affecting more than one suspension unit front and rear unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/04—Trailers
- B60G2300/042—Semi-trailers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to highway transportation field, specifically a kind of suspension arrangement of semitrailer, including front axle mechanism, middle bridge mechanism, rear bridge mechanism, hoisting mechanism, connecting rod, a lever, No. two levers and erection support, the left end of front axle mechanism is hinged on erection support, and the right-hand member of front axle mechanism is connected by connecting rod with the left end of a lever；The right-hand member of the left end of middle bridge mechanism and a lever is hinged；The left end of bridge mechanism is connected by connecting rod with the right-hand member of No. two levers afterwards, and the right-hand member of rear bridge mechanism is hinged on erection support；Hoisting mechanism is located at the top of front axle mechanism and back axle mechanism part respectively, hoisting mechanism be fixedly connected with car body and with front axle mechanism and rear bridge mechanism elastic connection.The front axle mechanism of the present invention, one end of middle bridge mechanism and rear bridge mechanism are fixed and connected by the way of being hinged, and both ensure that the automatic adjusument according to landform of front axle mechanism, middle bridge mechanism and rear bridge mechanism, noise and the abrasion of each junction are reduced again.
Description
Technical field
The present invention relates to highway transportation field, specifically a kind of suspension arrangement of semitrailer.
Background technology
Highway transportation is one of major way of China's matter transportation, in order to meet the demand of matter transportation, government planned
Invest 2,000,000,000,000 funds and carry out newly-built 5.2 ten thousand kilometers of highways.To the year two thousand thirty, it is public that China's highway total kilometrage is up to 8.5 ten thousand
In.Huge transportation network depends on the carrying capacity of heavy semi-trailer, and following highway transportation will depend primarily upon heavy semi-mounted
Car, but the technology content of the existing heavy semi-trailer of China is relatively low, easily occurs blowing out, off-axis, steel plate in vehicle operation
Fracture and the phenomenon such as tire wear is serious, these problems have a strong impact on the efficiency of highway transportation, and also puzzle numerous car owners.
Trace it to its cause and be：When traveling is on rugged road surface, part tire can be caused to be in hanging, existing heavy type
Semitrailer suspension system not can solve, the tire pressure now landed go beyond the limit of value just occur blow out, it is short
Even there is off-axis in spring, and serious overturn accident is caused when serious, loses inestimable.
In consideration of it, the present invention proposes a kind of suspension arrangement of semitrailer, and provided with hoisting mechanism, the energy in the presence of the mechanism
Enough it is raised front and rear two bridge, the friction on tire and ground is reduced in zero load, so as to reduce energy consumption；It is provided with connecting rod, one
Number lever and No. two levers, can make propons and back axle Automatic-searching contact point under the collective effect of these components, it is to avoid wink
Between it is hanging, so as to avoid the damage of propons and back axle；Its one end provided with front axle mechanism, middle bridge mechanism and rear bridge mechanism is fixed simultaneously
Connected by the way of being hinged, both ensure that the automatic adjusument according to landform of front axle mechanism, middle bridge mechanism and rear bridge mechanism,
Noise and the abrasion of each junction are reduced again.
The content of the invention
In order to make up the deficiencies in the prior art：A kind of suspension arrangement of semitrailer of the present invention, it is provided with hoisting mechanism,
In the presence of the mechanism front and rear two bridge can be raised, the friction on tire and ground is reduced, so as to reduce energy consumption；It sets
There are a lever, No. two levers and No. three levers, under the collective effect of these components propons and back axle Automatic-searching can connect
Contact, it is to avoid moment is hanging, so as to avoid the damage of jackshaft.
The technical solution adopted for the present invention to solve the technical problems is：A kind of semitrailer system of the present invention includes
Front axle mechanism, middle bridge mechanism, rear bridge mechanism, hoisting mechanism, connecting rod, a lever, No. two levers and erection support, the propons
The left end of mechanism is hinged on erection support, and the right-hand member of front axle mechanism is connected by connecting rod with the left end of a lever；It is described
The right-hand member of the left end of middle bridge mechanism and a lever is hinged, the left end phase that the right-hand member of middle bridge mechanism passes through connecting rod and No. two levers
Connection；The left end of the rear bridge mechanism is connected by connecting rod with the right-hand member of No. two levers, and the right-hand member of rear bridge mechanism is hinged on peace
Fill on bearing；Wherein, what the middle part of the lever was rotated is arranged on erection support, and No. two lever rotations are hinged
On erection support, the connecting rod is respectively between front axle mechanism, middle bridge mechanism, rear bridge mechanism, a lever and No. two levers
It is hinged；The hoisting mechanism is located at the top of front axle mechanism and back axle mechanism part respectively, hoisting mechanism be fixedly connected with car body and
With front axle mechanism and rear bridge mechanism elastic connection, hoisting mechanism is used to lift front axle mechanism and rear bridge mechanism.
It is preferred that, the hoisting mechanism includes housing, bottom plate, upper plate, air bag and anchor chain；The housing and car body phase
Even；The bottom plate is welded on housing bottom, and bottom plate is used for support air bag, and bottom plate is provided with through hole, and through hole is used to pacify
The blowhole of deflation capsule；The air bag is fixed on bottom plate upper surface, and air bag is used to realizing carrying for front axle mechanism and rear bridge mechanism
Rise；The upper plate is connected with air bag upper surface, and upper plate can be moved up and down along housing, and upper plate is provided with through hole, through hole
Venthole for laying air bag；The anchor chain is connected in the lower end of upper plate；During work, main car air supply system entering to air bag
Air pressure produced by stomata is passed through gas, gas heaves air bag, and air bag drives upper plate to move upwards, and upper plate passes through anchor chain
Front axle mechanism and rear bridge mechanism are lifted, so as to realize the suspension of front axle mechanism and rear bridge mechanism；When the gas in air bag is released
When, front axle mechanism and rear bridge mechanism can be returned to stress.
The beneficial effects of the invention are as follows：
1. a kind of suspension arrangement of semitrailer of the present invention, it is provided with hoisting mechanism, can in the presence of the mechanism
Front and rear two bridge is raised, the friction on tire and ground is reduced, so as to reduce energy consumption.
2. a kind of suspension arrangement of semitrailer of the present invention, it is provided with connection-rod, a lever and No. two levers, at this
Propons and back axle Automatic-searching contact point can be made under the collective effect of a little components, it is to avoid moment is hanging, thus avoid propons and
The damage of back axle.
3. a kind of suspension arrangement of semitrailer of the present invention, it is provided with front axle mechanism, middle bridge mechanism and rear bridge mechanism
One end is fixed and connected by the way of being hinged, both ensure that front axle mechanism, middle bridge mechanism and rear bridge mechanism according to landform
Automatic adjusument, reduces noise and the abrasion of each junction again.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the front view of the present invention；
In figure：Front axle mechanism 1, middle bridge mechanism 2, rear bridge mechanism 3, hoisting mechanism 4, connecting rod 5, lever 6, No. two levers
7th, erection support 8,9,10,11, it is housing 41, bottom plate 42, upper plate 43, air bag 44, anchor chain 45, combined steel plate 11, preceding
Bridge 12, No. two combined steel plates 21, jackshaft 22, No. three combined steel plates 31, back axles 32.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Embodiment is closed, the present invention is expanded on further.
As shown in figure 1, a kind of suspension arrangement of semitrailer of the present invention, including front axle mechanism 1, middle bridge mechanism 2, back axle
Mechanism 3, hoisting mechanism 4, connecting rod 5, a lever 6, No. two levers 7 and erection support 8,9,10,11, the front axle mechanism 1
Left end is hinged on erection support 8, and the right-hand member of front axle mechanism 1 is connected by connecting rod 5 with the left end of a lever 6；In described
The right-hand member of the left end of bridge mechanism 2 and a lever 6 is hinged, the left side that the right-hand member of middle bridge mechanism 2 passes through connecting rod 5 and No. two levers 7
End is connected；The left end of the rear bridge mechanism 3 is connected by connecting rod 5 with the right-hand member of No. two levers 7, the right-hand member of rear bridge mechanism 3
It is hinged on erection support 11；Wherein, what the middle part of a lever 6 was rotated is arranged on erection support 9, No. two thick sticks
Bar 7 rotate be hinged on erection support 10, the connecting rod 5 respectively with front axle mechanism 1, middle bridge mechanism 2, rear bridge mechanism 3, No. one
It is hinged between lever 6 and No. two levers 7；The hoisting mechanism 4 is located at the top of front axle mechanism 1 and back axle mechanism part 3 respectively, carries
Rise mechanism 4 and car body be fixedly connected with and with front axle mechanism 1 and the elastic connection of rear bridge mechanism 3, hoisting mechanism is used for front axle mechanism 1
Lift with rear bridge mechanism 3.The present invention realizes front axle mechanism 1, middle bridge mechanism 2 by connecting rod 5, a lever 6 and No. two levers 7
With the function of the rear Automatic-searching contact point of bridge mechanism 3, it is to avoid tire moment is hanging and causes the situation of tyre break；The present invention
Front axle mechanism 1, one end of middle bridge mechanism 2 and rear bridge mechanism 3 fix and connected by the way of being hinged, both ensure that propons machine
The automatic adjusument according to landform of structure 1, middle bridge mechanism 2 and rear bridge mechanism 3, reduces noise and the abrasion of each junction again.
As one embodiment of the present invention, the hoisting mechanism 4 includes housing 41, bottom plate 42, upper plate 43, gas
Capsule 44 and anchor chain 45；The housing 41 is connected with car body；The bottom plate 42 is welded on the bottom of housing 41, and bottom plate 42 is used for branch
Air bag 44 is supportted, and bottom plate 42 is provided with through hole, through hole is used for the blowhole for laying air bag 44；The air bag 34 is fixed on subiculum
The upper surface of plate 42, air bag 44 is used for the lifting for realizing front axle mechanism 1 and rear bridge mechanism 3；The upper plate 43 and the upper table of air bag 44
Face is connected, and upper plate 43 can be moved up and down along housing 41, and upper plate 43 is provided with through hole, and through hole is used to lay going out for air bag 44
Stomata；The anchor chain 45 is connected in the lower end of upper plate 43；During work, the blowhole of main car air supply system to air bag 44 is passed through gas
Air pressure produced by body, gas heaves air bag 44, and air bag 44 drives upper plate 43 to move upwards, and upper plate 43 passes through anchor chain 45
Front axle mechanism 1 and rear bridge mechanism 3 are lifted, so as to realize the suspension of front axle mechanism 1 and rear bridge mechanism 3；Gas in air bag 44
When body is released, front axle mechanism 1 and rear bridge mechanism 3 can be returned to stress.
As one embodiment of the present invention, the front axle mechanism 1 includes a combined steel plate 11 and propons 12；It is described
A number combined steel plate 11 is connected with propons 12, and propons 12 is provided with connection ring, and connection ring is used to connect anchor chain 45, and propons 12 is used
In connection external agency；During work, the air pressure produced by the blowhole of main car air supply system to air bag 44 is passed through gas, gas makes
Air bag 44 is heaved, and air bag 44 drives upper plate 43 to move upwards, and upper plate 43 drives propons 12 to move upwards by anchor chain 45, from
And propons 12 is lifted into certain altitude；When the gas in air bag 44 is released, it is original that air bag 44 drives upper plate 43 to return to
Highly, so that propons 12 returns to original height.
As one embodiment of the present invention, the middle bridge mechanism 2 includes No. two combined steel plates 21 and jackshaft 22；It is described
No. two combined steel plates 21 are fixedly connected with jackshaft 22, and jackshaft 22 is used to connect external agency.
As one embodiment of the present invention, the rear bridge mechanism 3 includes No. three combined steel plates 31 and back axle 32；It is described
No. three combined steel plates 31 are fixedly connected with back axle 32, and back axle 32 is provided with connection ring, and connection ring is used to connect anchor chain 45.It is main when making
Air pressure produced by the blowhole of car air supply system to air bag 44 is passed through gas, gas heaves air bag 44, in the drive of air bag 44
Top plate 43 is moved upwards, and upper plate 43 drives propons 12 to move upwards by anchor chain 45, so that back axle 32 is lifted into certain altitude；
When the gas in air bag 44 is released, air bag 44 drives upper plate 43 to return to original height, so that back axle 32 is returned to
Height originally.
Before work, the height between propons 12, jackshaft 22 and back axle 32 and horizontal plane is consistent；When car is in zero load
When, the air pressure produced by the blowhole of main car air supply system to air bag 44 is passed through gas, gas heaves air bag 44, the band of air bag 44
Dynamic upper plate 43 is moved upwards, and upper plate 43 makes propons 12 and the elevated certain altitude of back axle 32 by anchor chain 45, reduces wheel
Tire and the friction on ground, so as to reduce energy consumption；When car is in heavy duty or severe road surface, when the gas in capsule 44 is released, gas
Capsule 44 drives upper plate 43 to return to original height, so that it is original also to return to propons 12 and back axle 32 by anchor chain 45
Highly, propons 12 and back axle 32 are automatically looked for and ground in the presence of a lever 5, No. two levers 6 and No. three levers 7
Contact point, so as to avoid propons 12 and back axle 32 instantaneous hanging to cause jackshaft 22 to damage.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the simply explanation present invention of the description in above-described embodiment and specification
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, and these change and changed
Enter all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Define.
Claims (5)
1. a kind of suspension arrangement of semitrailer, it is characterised in that：Including front axle mechanism (1), middle bridge mechanism (2), rear bridge mechanism (3),
Hoisting mechanism (4), connecting rod (5), a lever (6), No. two levers (7) and erection support (8,9,10,11), the front axle mechanism
(1) left end is hinged on erection support (8), and the right-hand member of front axle mechanism (1) passes through connecting rod (5) and the left end of a lever (6)
It is connected；The left end and the right-hand member of a lever (6) of the middle bridge mechanism (2) are hinged, and the right-hand member of middle bridge mechanism (2) passes through even
Bar (5) is connected with the left end of No. two levers (7)；The left end of the rear bridge mechanism (3) passes through connecting rod (5) and No. two levers (7)
Right-hand member be connected, the right-hand member of rear bridge mechanism (3) is hinged on erection support (11)；Wherein, the middle part of a lever (6)
What is rotated is arranged on erection support (9), and what No. two levers (7) rotated is hinged on erection support (10), the connecting rod
(5) cut with scissors respectively between front axle mechanism (1), middle bridge mechanism (2), rear bridge mechanism (3), a lever (6) and No. two levers (7)
Connect；The hoisting mechanism (4) is located at the top of front axle mechanism (1) and back axle mechanism part (3), hoisting mechanism (4) and car body respectively
Be fixedly connected with and with front axle mechanism (1) and rear bridge mechanism (3) elastic connection, hoisting mechanism is used for front axle mechanism (1) and back axle
Mechanism (3) lifts.
2. a kind of suspension arrangement of semitrailer according to claim 1, it is characterised in that：The hoisting mechanism (4) includes shell
Body (41), bottom plate (42), upper plate (43), air bag (44) and anchor chain (45)；The bottom plate (43) is welded on housing (41)
Bottom；The air bag (34) is fixed on bottom plate (43) upper surface；The upper plate (42) is connected with air bag (44) upper surface, and
Upper plate (42) can be moved up and down along housing (41)；The anchor chain (45) is connected in the lower end of upper plate (43).
3. a kind of suspension arrangement of semitrailer according to claim 1, it is characterised in that：The front axle mechanism (1) includes one
Number combined steel plate (11) and propons (12)；A number combined steel plate (11) is connected with propons (12), and propons (12) is provided with
Connection ring, connection ring is used to connect anchor chain (45).
4. a kind of suspension arrangement of semitrailer according to claim 1, it is characterised in that：The middle bridge mechanism (2) includes two
Number combined steel plate (21) and jackshaft (22)；No. two combined steel plates (21) are fixedly connected with jackshaft (22).
5. a kind of suspension arrangement of semitrailer according to claim 1, it is characterised in that：The rear bridge mechanism (3) includes three
Number combined steel plate (31) and back axle (32)；No. three combined steel plates (31) are fixedly connected with back axle (32), and back axle (32) is provided with
Connection ring, connection ring is used to connect anchor chain (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710485710.1A CN107264215A (en) | 2017-06-23 | 2017-06-23 | A kind of suspension arrangement of semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710485710.1A CN107264215A (en) | 2017-06-23 | 2017-06-23 | A kind of suspension arrangement of semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107264215A true CN107264215A (en) | 2017-10-20 |
Family
ID=60068148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710485710.1A Withdrawn CN107264215A (en) | 2017-06-23 | 2017-06-23 | A kind of suspension arrangement of semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107264215A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202608505U (en) * | 2012-05-03 | 2012-12-19 | 北汽福田汽车股份有限公司 | A balanced suspension and a vehicle |
| CN203449875U (en) * | 2013-08-15 | 2014-02-26 | 十堰瑞恒汽车装备有限公司 | Tri-axial semitrailer bridge hoisting system |
| KR20140044685A (en) * | 2012-10-05 | 2014-04-15 | 현대자동차주식회사 | Device for reducing turning radial of commercial vehicle |
| CN104608573A (en) * | 2013-11-05 | 2015-05-13 | 北汽福田汽车股份有限公司 | Leaf spring suspension system of air bag lifting bridge structure and car |
| CN204915179U (en) * | 2015-09-15 | 2015-12-30 | 河北昌骅专用汽车有限公司 | Novel steel sheet leaf spring and gasbag hang four -axis semitrailer of using with |
| CN105564533A (en) * | 2016-01-27 | 2016-05-11 | 赵永胜 | Independent axle lifting device and method |
-
2017
- 2017-06-23 CN CN201710485710.1A patent/CN107264215A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202608505U (en) * | 2012-05-03 | 2012-12-19 | 北汽福田汽车股份有限公司 | A balanced suspension and a vehicle |
| KR20140044685A (en) * | 2012-10-05 | 2014-04-15 | 현대자동차주식회사 | Device for reducing turning radial of commercial vehicle |
| CN203449875U (en) * | 2013-08-15 | 2014-02-26 | 十堰瑞恒汽车装备有限公司 | Tri-axial semitrailer bridge hoisting system |
| CN104608573A (en) * | 2013-11-05 | 2015-05-13 | 北汽福田汽车股份有限公司 | Leaf spring suspension system of air bag lifting bridge structure and car |
| CN204915179U (en) * | 2015-09-15 | 2015-12-30 | 河北昌骅专用汽车有限公司 | Novel steel sheet leaf spring and gasbag hang four -axis semitrailer of using with |
| CN105564533A (en) * | 2016-01-27 | 2016-05-11 | 赵永胜 | Independent axle lifting device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202669944U (en) | Heavy semi-trailer for coiled tubing equipment | |
| CN101412402B (en) | Triaxial bogie brake rigging apparatus and triaxial bogie | |
| CN106275112A (en) | A kind of weight equipment transport vehicle | |
| CN107244353A (en) | It is horizontal to stretch semitrailer | |
| US2482564A (en) | Guide wheel suspension for roadrail vehicles | |
| CN205836533U (en) | A kind of combined tractor | |
| CN107933597A (en) | Combined type unwheeling auxiliary mould and car method is fallen based on the frock | |
| CN206953907U (en) | The dual-purpose fire fighting truck railway walking system elevating mechanism of rail | |
| CN206528540U (en) | A kind of novel crawler car shock-damping structure | |
| CN107264215A (en) | A kind of suspension arrangement of semitrailer | |
| CN109398003B (en) | Male-iron intermodal van | |
| CN107264216A (en) | Suspension arrangement is put in a kind of semitrailer air bag | |
| CN206885043U (en) | Coal mine hydraulic supporting dedicated transfer car | |
| CN204529169U (en) | A kind of railway breakdown crane can traveling leg system | |
| CN205553846U (en) | A air suspension system that is used for 2nd steering axle gasbag of commercial car to promote | |
| CN101613063B (en) | Railway crane and suspension arm supporting device thereof | |
| CN206938367U (en) | A kind of road rail vehicle carrier | |
| CN214112202U (en) | Dual-purpose transportation trailer of highway-railway | |
| CN201646762U (en) | Molten iron car brake device | |
| CN109018007B (en) | Low flatbed for heavy engineering | |
| CN203888881U (en) | Half-hung large-tonnage special vehicle | |
| CN209244503U (en) | A kind of novel modularized drilling and repairing machine | |
| CN109398002B (en) | End bogie for highway-railway intermodal van | |
| CN108791581B (en) | Traction type transfer trolley with pulley block | |
| CN202147564U (en) | Integral levelling front frame used for all-terrain forklift |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171020 |