CN106741062A - A kind of tool car for being capable of leaping over obstacles - Google Patents
A kind of tool car for being capable of leaping over obstacles Download PDFInfo
- Publication number
- CN106741062A CN106741062A CN201710010348.2A CN201710010348A CN106741062A CN 106741062 A CN106741062 A CN 106741062A CN 201710010348 A CN201710010348 A CN 201710010348A CN 106741062 A CN106741062 A CN 106741062A
- Authority
- CN
- China
- Prior art keywords
- wheel
- group
- over obstacles
- leaping over
- tool car
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/06—Hand moving equipment, e.g. handle bars
- B62B5/066—Handle bars rotatable about their longitudinal axis
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/005—Making of concrete parts of the track in situ
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Handcart (AREA)
Abstract
The invention discloses a kind of tool car for being capable of leaping over obstacles, it is related to construction technical field of tools, including vehicle frame, first round group and the second wheel group, the first round group and the second wheel group are arranged on vehicle frame lower section, and the first round group and the second wheel group are connected with barrier spanning device.Drive first round group and the second wheel group to realize alternately leaping over obstacles by barrier spanning device, labor intensity of operating staff can be reduced, it is ensured that the integrity of construction equipment, improve construction speed.The present invention has the advantages that simple and compact for structure, easy to operate, applying can easily across the water-blocking bank on beam face in plate-type ballastless track construction, reduce the degree-of-difficulty factor of logistics turnover and the transhipment of self-compacting concrete device for casting, can meet construction requirement without crane, reduce construction cost.
Description
Technical field
The present invention relates to construction technical field of tools, more particularly to a kind of tool car for being capable of leaping over obstacles.
Background technology
Plate-type ballastless track is one of important orbital fashion of high-speed railway.Need to be by high-accuracy measurement means pair during construction
The locus of track slab pavement is controlled and adjusts, and installs self-compacting concrete pouring forms and the anti-floating anti-sidesway of track plates
After device, be permanently affixed at track plates on base by perfusion self-compacting concrete packed layer, lays rail long and forms gapless track.
In order to prevent Liang Mianjishui from bridge pad is directly corroded from beam seam, the service life of high-speed railway is influenceed, in recent years
The water-blocking bank technology of 10cm high, width 50cm is additionally arranged at beam seam to be employed on designing, and waterstop is arranged on water-blocking bank top
Portion, serves the purpose for improving engineering service life.
Due to being additionally arranged beam seam water-blocking bank in Liang Mianshang, difficulty is brought to Construction of Ballastless Track on bridge and logistics.It is first
When logistics trolley is moved on beam face before this, it is necessary to cross over water-blocking bank, current way is to set interim slope in water-blocking bank both sides
Road, is crossed by a large amount of artificial push-and-pulls, and difficulty is controlled when crossing water-blocking bank because of loaded vehicle, often occurs clashing into track because of logistics trolley car slipping
Plate accurate adjustment crimping device, destroys track slab precision adjustment, or even causes the event of hurting sb.'s feelings, thus scene it is many using people's lift, the mode such as pickaback
Have bad luck construction formwork and other are equipped.Secondly, self-compacting concrete device for casting is typically mounted on the wheeled construction for vertically moving
On support, because its center of gravity is higher, when water-blocking bank is crossed in artificial push-and-pull, easily topple, it has to using crane auxiliary, make
Increased into construction cost.
In consideration of it, in the urgent need to developing a kind of " tool car of energy leaping over obstacles ", meeting plate-type ballastless track construction with " certainly
The need for the steady seam water-blocking bank across beam of the equipment such as air-free concrete device for casting ", " logistics trolley ".
The content of the invention
The technical problems to be solved by the invention are directed to above-mentioned the deficiencies in the prior art, there is provided one kind being capable of leaping over obstacles
Tool car, can light leaping over obstacles, reduce labor intensity of operating staff, it is ensured that the integrity of construction equipment, improve construction
Progress.
In order to solve the above technical problems, the technical solution used in the present invention is：
A kind of tool car for being capable of leaping over obstacles, including vehicle frame, first round group and the second wheel group, the first round group and the second wheel
Group is arranged on vehicle frame lower section, and the first round group and the second wheel group are connected with barrier spanning device, by barrier spanning device
Driving first round group and the second wheel group can replace leaping over obstacles.
Preferably, the first round group is identical with the structure of the second wheel group, including frame, front wheels and rear wheels, the machine
Frame is arranged on vehicle frame lower section, and the front wheels and rear wheels are arranged on the front-end and back-end below frame, the barrier spanning device bag
Rocking handle, transmission mechanism, drive sprocket and haulage chain are included, the rocking handle passes through the drive sprocket before transmission mechanism, with drive sprocket
Haulage chain one end of cooperation is fixedly connected with front axle, the other end is fixedly connected with hind axle；The front wheels and rear wheels are by wheel
Bridge is connected, and frame lower end is hinged with wheel bridge.
Preferably, the transmission mechanism includes driving wheel, driven pulley and reductor, the rocking handle and driving wheel fixing phase
Even, the driven pulley is connected with reductor input shaft, and the output shaft of the reductor is connected with drive sprocket.
Preferably, the driving wheel is sprocket wheel with driven pulley, and the two is connected by chain.
Preferably, rotating shaft is provided between the frame and vehicle frame of the first round group, first round group relative frame is turned
It is dynamic.
Preferably, the reductor is rectilinear worm-gear speed reducer.
Preferably, the rotating ratio of the reductor is 1:40~1:25.
Preferably, the frame front of the first round group is provided with pushing hands.
Preferably, the trailing wheel of the second wheel group is provided with brake.
Preferably, the front wheels and rear wheels are solid rubber tire.
It is using the beneficial effect produced by above-mentioned technical proposal：First round group and the are driven by barrier spanning device
Two wheel groups realize alternately leaping over obstacles, can reduce labor intensity of operating staff, it is ensured that the integrity of construction equipment, improve construction
Progress.The present invention have the advantages that it is simple and compact for structure, easy to operate, apply plate-type ballastless track construct in can easily across
Water-blocking bank on Yue Liang faces, reduces the degree-of-difficulty factor of logistics turnover and the transhipment of self-compacting concrete device for casting, without crane
Construction requirement can be met, reduce construction cost.
Brief description of the drawings
Fig. 1 is a kind of use state figure of tool car for being capable of leaping over obstacles provided in an embodiment of the present invention；
Fig. 2 is the top view of the second wheel group in Fig. 1；
In figure：1- vehicle frames, 2- first round groups, 3- the second wheel groups, 4- frames, 6- front-wheels, 8- trailing wheels, 9- rocking handles, 10- drive chains
Wheel, 11- haulage chains, 12- driving wheels, 13- driven pulleys, 14- reductors, 15- rotating shafts, 16- pushing hands, 17- brakes, 18- guardrails,
19- takes turns bridge, 20- beams seam, 21- water-blocking banks, 22- beams face, 23- wheel bridge axles.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing and specific implementation
Example, the present invention is further detailed explanation.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
A kind of tool car for being capable of leaping over obstacles that the present invention is provided, as shown in figure 1, including vehicle frame 1, the and of first round group 2
Second wheel group 3, the wheel group 3 of the first round group 2 and second is arranged on the lower section of vehicle frame 1, and the wheel group 3 of the first round group 2 and second is equal
It is connected with barrier spanning device, drives first round group 2 and the second wheel group 3 to realize alternately leaping over obstacles by barrier spanning device,
Done it by hand and carry it on one's shoulder without a large amount of manpowers or crane is capable of achieving the transhipment of equipment and logistics, reduce intensity of workers, protected
The integrity of construction equipment is demonstrate,proved, construction speed is improved.
In a preferred embodiment of the invention, the first round group 2 is identical with the structure of the second wheel group 3, includes
Frame 4, front-wheel 6 and trailing wheel 8, the frame 4 are arranged on the lower section of vehicle frame 1, and the front-wheel 6 and trailing wheel 8 are separately positioned under frame 1
The front-end and back-end of side, the barrier spanning device includes rocking handle 9, transmission mechanism, drive sprocket 10 and haulage chain 11, described to shake
Handle 9 by the drive sprocket 10 before transmission mechanism, with front axle 5 fix and connect by the one end of haulage chain 11 coordinated with drive sprocket 10
Connect, the other end is fixedly connected with hind axle 7；The front-wheel 6 is connected with trailing wheel 8 by taking turns bridge 19, and the lower end of frame 4 is cut with scissors with wheel bridge 19
Connect, the lower end of frame 4 can rotate around the wheel bridge axle 23 at the middle part of wheel bridge 19.Rocking handle drives drive sprocket to rotate by transmission mechanism, enters
And haulage chain drives front end or the rear end lifting of frame, realize that first round group and the second wheel group replace leaping over obstacles.
In order to mitigate equipment overall weight, frame 4 is designed as tower structure, front-wheel 6 and trailing wheel 8 are separately positioned on machine
Before and after the underframe of the bottom of frame 1, drive sprocket 10 is fixed on the crossbeam of mid-stent by support base, in order to ensure the flat of transmission
Stability, is have supporting plate between the central shaft and transmission mechanism of drive sprocket 10, on the central shaft and supporting plate of drive sprocket 10
Via coordinate.
Wherein, the transmission mechanism includes driving wheel 12, driven pulley 13 and reductor 14, the rocking handle 9 and driving wheel 12
It is fixedly linked, the driven pulley 13 is connected with the input shaft of reductor 14, output shaft and the phase of drive sprocket 10 of the reductor 14
Even.Exported by after the rotating speed reduction that be input into for rocking handle by reductor, so as to realize the slow lifting of front-wheel, it is ensured that leaping over obstacles is moved
The stationarity of work；Labour-saving purpose is also reached using computer simultaneously.
In one particular embodiment of the present invention, the driving wheel 12 is sprocket wheel with driven pulley 13, and the two passes through chain
Bar is connected.Driving wheel is driven to rotate by rocking handle, and then driving wheel is rotated by chain-driving driven pulley, driven pulley is by slowing down
Machine slow down after and drive drive sprocket to rotate.
Tool car is realized turning in operation process for convenience, between the frame 4 and vehicle frame 1 of the first round group 2
Rotating shaft 15 is provided with, the relative frame 1 of first round group 2 is rotated.
Wherein, the reductor 14 is rectilinear worm-gear speed reducer, and rectilinear worm-gear speed reducer has self-locking
Property and compact conformation, operation easy maintenance, the advantage of long service life.Further, the rotating ratio of the reductor 14 is 1:
40~1:25.Easily realize slowing down and changing the effect of transmission direction using the reductor, reach laborsaving, smooth running mesh
's.
In addition, the barrier spanning device can also drive the liter of frame front-wheel by installing hydraulic cylinder below vehicle frame
Drop, so as to realize the function of leaping over obstacles.
In one particular embodiment of the present invention, the front of frame 4 of the first round group 2 is provided with pushing hands 16, facilitates work
Make personnel to exert a force tool car, while be also convenient for first round group being turned to.
Further, brake 17, the speed of convenient control tool car are provided with the trailing wheel 8 of the second wheel group 3.Separately
Outward, the front-wheel 6 and trailing wheel 8 select solid rubber tire, improve the adaptability to job site environment.For plate-type ballastless track
Construction, the radius of solid rubber tire should be greater than 1.5 times of water-blocking bank height；The front wheels and rear wheels of first round group and the second wheel group it is net
Distance have to be larger than the overall width of water-blocking bank.
In order to meet light-weight design requirement, the vehicle frame and frame select frame-type, using shaped steel（Channel-section steel or side
Pipe etc.）To make, the overall weight of tool car can be mitigated；And guardrail is installed in both sides above vehicle frame, and guardrail is hinged on vehicle frame
Side, when needing to carry article up and down, can fall guardrail, and carrying finishes guardrail erects again, prevents thing on vehicle frame
Product drop；Meanwhile, flat board can be laid on vehicle frame, can equally avoid loading article from dropping.
Specific operation process of the present invention is as follows：The present invention is applied when in plate-type ballastless track construction, can be as logistics
Tote cart, it is also possible to as the bracket of self-compacting concrete device for casting, when moving forward and backward, 1 people controls tool car, 2 people auxiliary
Push-and-pull, the advance and retreat movement of implementation tool car.When tool car of the invention runs into the dash that beam stitches both sides in the running of beam face
During bank, the rocking handle of first round group is shaken first, wheel bridge run-off the straight is made by haulage chain, and then drive front-wheel to raise, make front-wheel
Certain height difference is formed with trailing wheel, drives vehicle frame to proceed to front-wheel across water-blocking bank, trailing wheel contact water-blocking bank, now opposite direction is rotated
Rocking handle, beam face is drop to by front-wheel, is continued shake rocking handle and is raised trailing wheel, and enforcement trailing wheel crosses over water-blocking bank before driving vehicle frame, then
Trailing wheel is drop to beam face by opposite direction rotation crank, successfully realizes that first round group crosses over water-blocking bank；Similarly, the second wheel group is shaken
Rocking handle realizes that the second wheel group crosses over water-blocking bank.
In order to easily control traffic direction, and also to the front wheels and rear wheels reduced in first round group and the second wheel group are same
When contact beams face when the lateral resistance that turns to, should be hanging by a pair of the front-wheels or trailing wheel in first round group and the second wheel group,
Can light control direction.
In sum, the present invention is reasonable in design, it is simple to make, it is laborsaving to manipulate, and can safely and smoothly cross over（Cross）Gear
The obstacles such as water bank, are Construction of Ballastless Track logistics provides convenient on high-speed railway bridge, with convenience, safety, saving of labor, are reduced into
This advantage, reduces construction cost, subsequent construction on high-speed railway bridge or during other need across obstacle to construct
With good popularizing application prospect.
Specific case used herein is set forth to principle of the invention and implementation method, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fallen into the protection domain of the claims in the present invention with modification.
Claims (10)
1. a kind of tool car for being capable of leaping over obstacles, it is characterised in that：Including vehicle frame（1）, first round group（2）With the second wheel group
（3）, the first round group（2）With the second wheel group（3）It is arranged on vehicle frame（1）Lower section, the first round group（2）With the second wheel group
（3）It is connected with barrier spanning device, first round group is driven by barrier spanning device（2）With the second wheel group（3）Can be alternately
Leaping over obstacles.
2. a kind of tool car for being capable of leaping over obstacles according to claim 1, it is characterised in that：The first round group（2）
With the second wheel group（3）Structure it is identical, including frame（4）, front-wheel（6）And trailing wheel（8）, the frame（4）It is arranged on vehicle frame
（1）The front-end and back-end of lower section, the front-wheel（6）And trailing wheel（8）It is arranged on frame（1）The front-end and back-end of lower section, the barrier
Hindering crossover device includes rocking handle（9）, transmission mechanism, drive sprocket（10）And haulage chain（11）, the rocking handle（9）By driver
Drive sprocket before structure（10）, with drive sprocket（10）The haulage chain of cooperation（11）One end and front axle（5）Be fixedly connected, it is another
End and hind axle（7）It is fixedly connected；The front-wheel（6）And trailing wheel（8）By taking turns bridge（19）It is connected, frame（4）Lower end and wheel bridge
（19）It is hinged.
3. a kind of tool car for being capable of leaping over obstacles according to claim 2, it is characterised in that：The transmission mechanism includes
Driving wheel（12）, driven pulley（13）And reductor（14）, the rocking handle（9）With driving wheel（12）It is fixedly linked, the driven pulley
（13）With reductor（14）Input shaft is connected, the reductor（14）Output shaft and drive sprocket（10）It is connected.
4. a kind of tool car for being capable of leaping over obstacles according to claim 3, it is characterised in that：The driving wheel（12）With
Driven pulley（13）Sprocket wheel is, the two is connected by chain.
5. a kind of tool car for being capable of leaping over obstacles according to claim 2, it is characterised in that：The first round group（2）
Frame（4）With vehicle frame（1）Between be provided with rotating shaft（15）, make first round group（2）Relative frame（1）Can rotate.
6. a kind of tool car for being capable of leaping over obstacles according to claim 3, it is characterised in that：The reductor（14）For
Rectilinear worm-gear speed reducer.
7. a kind of tool car for being capable of leaping over obstacles according to claim 3, it is characterised in that：The reductor（14）'s
Rotating ratio is 1:40~1:25.
8. a kind of tool car for being capable of leaping over obstacles according to claim 2, it is characterised in that：The first round group（2）
Frame（4）Front is provided with pushing hands（16）.
9. a kind of tool car for being capable of leaping over obstacles according to claim 2, it is characterised in that：The second wheel group（3）
Trailing wheel（8）It is provided with brake（17）.
10. a kind of tool car for being capable of leaping over obstacles according to claim any one of 2-9, it is characterised in that：Before described
Wheel（6）And trailing wheel（8）It is solid rubber tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010348.2A CN106741062B (en) | 2017-01-06 | 2017-01-06 | Tool car capable of crossing obstacle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010348.2A CN106741062B (en) | 2017-01-06 | 2017-01-06 | Tool car capable of crossing obstacle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106741062A true CN106741062A (en) | 2017-05-31 |
| CN106741062B CN106741062B (en) | 2023-05-26 |
Family
ID=58950889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710010348.2A Active CN106741062B (en) | 2017-01-06 | 2017-01-06 | Tool car capable of crossing obstacle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106741062B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1629079A (en) * | 1924-11-08 | 1927-05-17 | Harry A Knox | Trackless vehicle |
| CN2581274Y (en) * | 2002-09-28 | 2003-10-22 | 重庆力帆实业（集团）有限公司 | Hand cart |
| JP2006089006A (en) * | 2004-09-21 | 2006-04-06 | Masaru Mimura | (electric step overstepping dolly) |
| CN101774409A (en) * | 2010-03-17 | 2010-07-14 | 北京科技大学 | Self-adaptive sea bottom complex terrain compound wheel type traveling mechanism |
| CN102412524A (en) * | 2011-07-08 | 2012-04-11 | 山东电力集团公司超高压公司 | Self-propelled charged operation tool for replacing entire line tension insulator string |
| CN204184411U (en) * | 2014-08-26 | 2015-03-04 | 上海宝冶集团有限公司 | A kind of plate pusher of energy leaping over obstacles |
| CN105109529A (en) * | 2015-09-08 | 2015-12-02 | 中国舰船研究设计中心 | Obstacle surmounting transport mechanism for warships |
| CN205849610U (en) * | 2016-04-26 | 2017-01-04 | 温州雏鹰科技有限公司 | A kind of Orthopaedic nursing traction frame |
| CN206446624U (en) * | 2017-01-06 | 2017-08-29 | 中铁十七局集团第三工程有限公司 | A kind of tool car for being capable of leaping over obstacles |
-
2017
- 2017-01-06 CN CN201710010348.2A patent/CN106741062B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1629079A (en) * | 1924-11-08 | 1927-05-17 | Harry A Knox | Trackless vehicle |
| CN2581274Y (en) * | 2002-09-28 | 2003-10-22 | 重庆力帆实业（集团）有限公司 | Hand cart |
| JP2006089006A (en) * | 2004-09-21 | 2006-04-06 | Masaru Mimura | (electric step overstepping dolly) |
| CN101774409A (en) * | 2010-03-17 | 2010-07-14 | 北京科技大学 | Self-adaptive sea bottom complex terrain compound wheel type traveling mechanism |
| CN102412524A (en) * | 2011-07-08 | 2012-04-11 | 山东电力集团公司超高压公司 | Self-propelled charged operation tool for replacing entire line tension insulator string |
| CN204184411U (en) * | 2014-08-26 | 2015-03-04 | 上海宝冶集团有限公司 | A kind of plate pusher of energy leaping over obstacles |
| CN105109529A (en) * | 2015-09-08 | 2015-12-02 | 中国舰船研究设计中心 | Obstacle surmounting transport mechanism for warships |
| CN205849610U (en) * | 2016-04-26 | 2017-01-04 | 温州雏鹰科技有限公司 | A kind of Orthopaedic nursing traction frame |
| CN206446624U (en) * | 2017-01-06 | 2017-08-29 | 中铁十七局集团第三工程有限公司 | A kind of tool car for being capable of leaping over obstacles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106741062B (en) | 2023-05-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102102317B (en) | Method for laying mixed passenger and freight jointless track and bridge erecting machine for erecting railway T-beam | |
| CN201190254Y (en) | Double variable span multipurpose track laying machine and | |
| CN207498755U (en) | A kind of traveling trolley adjusted with horizontal extension and vertical supporting | |
| JP6225011B2 (en) | Bridge girder replacement vehicle and bridge girder replacement method | |
| CN206446624U (en) | A kind of tool car for being capable of leaping over obstacles | |
| AU2008313537A1 (en) | Apparatus and method for handling railway rails | |
| CN102899994A (en) | Plate type ballastless track plate construction vehicle | |
| CN201284453Y (en) | Rotary overline-walking cantilever portal jib crane | |
| CN101949133A (en) | Straddle type bridge girder erection machine | |
| KR20120088449A (en) | working vehicle for working in the high position | |
| CN207015096U (en) | Can quickly up and down road combined vehicle | |
| CN201610102U (en) | Ultra-low beam transport car | |
| CN113622310A (en) | Method for transporting beam and frame beam suitable for small-radius curve section | |
| CN201745475U (en) | Girder transporter capable of passing through tunnel on ultra-low mountain terrain | |
| CN106741062A (en) | A kind of tool car for being capable of leaping over obstacles | |
| CN101100842A (en) | Magnetic suspension rail beam transporting vehicle | |
| CN203558748U (en) | Wheeled crane | |
| CN201459548U (en) | Track plate-felting machine of cantilever arm folding type | |
| CN212559003U (en) | Elevator convenient for pedestrian to pass through road | |
| CN201183935Y (en) | Bridge deck system screen board mounting vehicle | |
| CN209585751U (en) | A kind of vehicle conveying device | |
| CN205526362U (en) | Prefab travelling bogie | |
| CN201809726U (en) | Straddle-type bridge girder erection machine | |
| JP2002003166A (en) | Locomotive crane capable of passing along road | |
| CN217206472U (en) | Tunnel invert lining is pour and is removed chute device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |