CN208216734U - A kind of tractor - Google Patents

A kind of tractor Download PDF

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Publication number
CN208216734U
CN208216734U CN201820734629.2U CN201820734629U CN208216734U CN 208216734 U CN208216734 U CN 208216734U CN 201820734629 U CN201820734629 U CN 201820734629U CN 208216734 U CN208216734 U CN 208216734U
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CN
China
Prior art keywords
chain
trailer wagon
wheel
beam column
drive mechanism
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Withdrawn - After Issue
Application number
CN201820734629.2U
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Chinese (zh)
Inventor
李勇智
刘恩怀
方俊
韦浩
胡志辉
代宗霖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHAN K-CRANE OCEAN LIFTING TECHNOLOGY Co Ltd
Zhanjiang Port Group Co Ltd
Original Assignee
WUHAN K-CRANE OCEAN LIFTING TECHNOLOGY Co Ltd
Zhanjiang Port Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WUHAN K-CRANE OCEAN LIFTING TECHNOLOGY Co Ltd, Zhanjiang Port Group Co Ltd filed Critical WUHAN K-CRANE OCEAN LIFTING TECHNOLOGY Co Ltd
Priority to CN201820734629.2U priority Critical patent/CN208216734U/en
Application granted granted Critical
Publication of CN208216734U publication Critical patent/CN208216734U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of tractor, the tractor includes: can be along the vehicle frame of tracks travel, slidable first trailer wagon and the second trailer wagon are installed, first trailer wagon and second trailer wagon are between first beam column and second beam column on the vehicle frame main beam；First trailer wagon is linked with first beam column and second trailer wagon respectively by the first chain-drive mechanism, second trailer wagon is linked with second beam column and first trailer wagon respectively by the second chain-drive mechanism, and first trailer wagon and second trailer wagon include the two sets of clamp systems that can be lock on track by track two sides and first chain-drive mechanism/second chain-drive mechanism chain retaining mechanism for locking any arrival latched position point.The tractor self weight of the utility model is lighter, and low energy consumption, has good adaptability to heavily loaded traction working condition.

Description

A kind of tractor
Technical field
The utility model relates to the pulling equipments for rail system, more particularly, to a kind of tractor.
Background technique
Large producer goods such as coal, ore, grain, petroleum generally use cargo train and are transported, cargo train fortune Capable power is provided by locomotive engine.It in harbour, mine and goods yard, needs to carry out cargo train the handling operation of cargo, makees During industry, it is desirable that cargo train is moved slowly in loading and unloading area.Due to locomotive manufacturing cost and use cost It is higher, to improve locomotive utilization rate, reduce use cost, locomotive engine cargo train is drawn to above-mentioned zone after with fire Vehicle separation, movement of the motorless cargo train in loading and unloading area transfer to other pulling equipments to complete.Currently, common fire Vehicle mode of traction has the traction of wirerope shunting winch, conventional tractor traction.
Wherein, the winch that shunting winch traction can be slided in orbit using hoist engine, rope traction, winch are drawn again Train running.The shortcomings which, has: 1) it takes up a large area, it is high to basic bearing requirements；2) system, utilization rate are used for fixed point It is low；3) maintenance, maintenance work amount are big, costly.
Conventional tractor is a kind of similar locomotive small-sized rail-mounted vehicle arrangement, the self weight of tractor provide wheel with Normal pressure needed for track friction driving, the maximum drawbar pull being capable of providing depend on conventional tractor vehicle self weight and The coefficient of friction of conventional trailer wheel and rail.Due to the more difficult raising of the coefficient of friction of wheel and rail, the raising of tractive force It can only be realized by increasing the self weight of tractor, under the demand of high tractive force, such mode necessarily leads to the system of tractor Cause this and use cost further high.
Therefore, how to reduce the manufacture of train pulling equipment and use cost, effectively improve pulling equipment driving power, be The current technical issues that need to address of those skilled in the art.
Utility model content
In order to overcome the problems referred above or it at least is partially solved the above problem, the utility model provides a kind of tractor.
One aspect according to the present utility model provides a kind of tractor, comprising: can be along the vehicle frame of tracks travel, institute Stating vehicle frame includes the first beam column and the second beam column for being built in vehicle frame main beam both ends vertically；
Slidable first trailer wagon and the second trailer wagon are installed, first traction is small on the vehicle frame main beam Vehicle and second trailer wagon are arranged along the extending direction of track, and first trailer wagon and second trailer wagon Between first beam column and second beam column；
First trailer wagon is small with first beam column and second traction respectively by the first chain-drive mechanism Blockchain connects, second trailer wagon by the second chain-drive mechanism respectively with second beam column and first trailer wagon Link, and first trailer wagon and second trailer wagon include can be lock by track two sides on track two Cover clamp system and for locking any first chain-drive mechanism/second chain-drive mechanism for reaching latched position point The retaining mechanism of chain.
Further, first trailer wagon and second trailer wagon include car frame and are fixed on described At least one set of bracket on the upside of car frame；
The bracket includes the first supporting plate and the second supporting plate for being parallel to each other and being vertically arranged, first supporting plate with it is described It is equipped between second supporting plate for linking first chain-drive mechanism/second chain-drive mechanism trolley chain-wheel mechanism.
Further, the trolley chain-wheel mechanism includes the first chain sprocket structure, the second chain sprocket structure and third chain sprocket structure；
The central axis of first chain sprocket structure, the second chain sprocket structure and third chain sprocket structure respectively with described first Plate is connected with second supporting plate, and first chain sprocket structure is with second chain sprocket structure structure having the same and positioned at same On one vertical direction, the sprocket wheel end face of first chain sprocket structure and second chain sprocket structure and the third chain sprocket structure Sprocket wheel end face is located at different planes.
Further, the retaining mechanism includes the plate beam driven by first driving device to move in vertical direction； The upper end of the first driving device is fixed on the bracket；
The side of the plate beam is fixed with tooth form plate, and the tooth form plate is towards first chain-drive mechanism/the Chain in two chain-drive mechanisms.
Further, the clamp system include be fixed on the first hollow fixed frame on the downside of the car frame and Clamp driving unit and nipper units inside first fixed frame；It is single that the nipper units are located at clamp driving The side of member；
The nipper units include having mutually isostructural first clamp subelement and the second clamp subelement, and described first Clamp subelement and the second clamp subelement are located at the opposite sides of the clamp driving unit；First clamp is single Member includes the first tong arm, and the second clamp subelement includes the second tong arm, the lower end of first tong arm and described second The lower end of tong arm in the opposite sides of track, the clamp driving unit be used to drive first tong arm lower end and The lower end of second tong arm is moved to the direction close to or far from the track.
Further, the clamp driving unit includes the first support, and first support is supported in by elastic component The bottom of first fixed frame, the first support upside are connected with for driving first support reciprocal in vertical direction Second driving device of movement, the top of first fixed frame is fixed in the upper end of second driving device；
The first clamp subelement further includes first connecting rod, and the second clamp subelement further includes second connecting rod；Institute The upper end for stating first connecting rod is articulated with the side of first support, and the lower end of the first connecting rod is upper with first tong arm Hold hinged, the lower end of first tong arm is articulated with the bottom of first fixed frame, and under first tong arm The opening that end passes through first fixed frame bottom extends to the side of track；
The upper end of the second connecting rod is articulated with the other side of first support, the lower end of the second connecting rod with it is described The upper end of second tong arm is hinged, and the lower end of second tong arm is articulated with the bottom of first fixed frame, and described The opening that the lower end of second tong arm passes through first fixed frame bottom extends to the side of track.
Further, the side wall of first beam column and second beam column is respectively fixed at least a set of and small blockchain The cart chain-wheel mechanism that wheel mechanism matches, the cart chain-wheel mechanism are arranged in a one-to-one correspondence with the trolley chain-wheel mechanism；
The cart chain-wheel mechanism include the first cart sprocket wheel and the second largest blockchain wheel, the first cart sprocket wheel with it is described The second largest blockchain wheel is located at same vertical direction.
Further, first chain-drive mechanism and the second chain-drive mechanism structure having the same；
First chain-drive mechanism includes the first chain that at least one is in closed loop, the first end of any first chain Link to the corresponding second trolley chain-wheel mechanism of second trailer wagon, the second end of first chain it is U-shaped successively around Cross the corresponding first cart sprocket wheel, the third chain sprocket structure of first trailer wagon and position on first beam column In the second largest blockchain wheel corresponding on first beam column, and link to second trailer wagon corresponding described second Trolley chain-wheel mechanism, to form closed loop；
Second chain-drive mechanism includes the second chain that at least one is in closed loop, the first end of any second chain The first trolley chain-wheel mechanism of first trailer wagon is linked to, the second end of second chain is U-shaped successively to bypass institute Rheme is in the first cart sprocket wheel corresponding on second beam column, the third chain sprocket structure of second trailer wagon and positioned at institute The corresponding second largest blockchain wheel on the second beam column is stated, and links to the corresponding first trolley sprocket wheel of first trailer wagon Mechanism, to form closed loop.
Further, the side wall of first beam column and second beam column is each provided at least a set of strainer；
The strainer includes the first tension frame and the second tension frame arranged in parallel, first tensioning Frame and second tension frame are vertically arranged；
First tension frame and second tension frame all have hollow slideway, in first tension frame Engaging has first bearing support in empty slideway, and engaging has second bearing support, institute in the hollow slideway of second tension frame The first cart sprocket wheel/second largest blockchain wheel is stated to be installed between the first bearing support and the second bearing support；
The side of the first bearing support is fixed with the first screw rod, and first screw rod passes through first beam column/the The side wall of two beam columns is simultaneously bolted on first beam column/second beam column, and the side of the second bearing support is fixed with second Screw rod, second screw rod pass through first beam column/second beam column side wall and are bolted in first beam column/second beam column On.
Further, it is provided between first trailer wagon and second trailer wagon for driving described first The driving mechanism of chain-drive mechanism and second chain-drive mechanism；
The driving mechanism includes motor and is driven by motor-driven at least two driving wheel, described at least two Driving wheel coaxial arrangement.
The beneficial effects of the utility model are mainly reflected in following aspect:
Frictional force of the tractive force between clamp system and track side surfaces, and the frictional force depends on what clamp applied Coefficient of friction between normal pressure and clamp and trackside.Since track lateral surface is lower relative to rail top surface importance, design When, apply clamping force in orbit needed for corresponding required friction clamp can be designed according to working condition requirement, and can lead to The proper treatment to grip finger is crossed to improve the coefficient of friction between clamp and track lateral surface.It is provided compared to by improving self weight Draw needed for normal pressure mode of traction, the utility model proposes tractor self weight it is lighter, manufacturing cost is lower, and avoids The limitation of track foundation maximum load-carrying capacity, and it is lighter due to being self-possessed, and operation energy consumption is lower.Because tractor is easily double To traction function, have both push-and-pull characteristic, can be good at adapting to various car loading operation operating conditions.The utility model proposes traction biography Dynamic system is using chain drive, due to good characteristic of the chain under traction working condition, the utility model proposes tractor There is good adaptability to heavily loaded traction working condition.The power output of tractor from driving device, is equipped with frequency modulation motor entirely, It can be very good the speed of adjusting tractor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to tractor a kind of in the utility model embodiment；
Fig. 2 is the structural schematic diagram according to the vehicle frame of tractor a kind of in the utility model embodiment；
Fig. 3 is the structural schematic diagram according to the trailer wagon of tractor a kind of in the utility model embodiment；
Fig. 4 is the structural schematic diagram according to the retaining mechanism of tractor a kind of in the utility model embodiment；
Fig. 5 is the structural schematic diagram according to the clamp system of tractor a kind of in the utility model embodiment；
Fig. 6 is the structural schematic diagram according to the clamp system of tractor a kind of in the utility model embodiment；
Fig. 7 is the structural schematic diagram according to the chain-drive mechanism of tractor a kind of in the utility model embodiment；
Fig. 8 is the structural schematic diagram according to the strainer of tractor a kind of in the utility model embodiment.
In figure, 100- vehicle frame；101- girder；The first beam column of 102-；The side 103- truss structure；104- hitch connection knot Structure；105- hitch；The second beam column of 106-；
200- strainer；201- backing plate；202- first bearing support；The first screw rod of 203-；The second screw rod of 204-；205- First cart sprocket wheel；The first tension frame of 206-；The second tension frame of 207-；
The first trailer wagon of 300-；The first supporting plate of 301-；302- third trolley sprocket wheel；303- pulley；304- retaining mechanism； 305- clamp system；306- first driving device；307- support；308- plate beam；309- tooth form plate；310- first is fixed Seat；The second driving device of 311-；312- first connecting rod；The first support of 313-；The first tong arm of 314-；The first idler wheel of 315- A；316- Second support；317- elastic component；The first idler wheel of 318- B；The first idler wheel of 319- C；The first car frame of 320-；321- second Plate；322- second connecting rod；The second tong arm of 323-；The second idler wheel of 324- B；The second idler wheel of 325- A；The second idler wheel of 326- C；
The first chain-drive mechanism of 400-；The first chain of 401- A；The first chain of 402- B；The second chain of 403- A；404- second Chain B；
500- driving mechanism；600- traveling wheel；700- hydraulic system.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
First, second before component Name in the utility model etc. only distinguishes title unless otherwise specified.
Shown in Figure 1, a kind of tractor, the tractor can be used in rail system；The tractor includes vehicle frame 100, Vehicle frame 100 is installed on track, also, vehicle frame 100 can be along track shift position.Shown in Figure 2, vehicle frame 100 includes vehicle Frame girder 101, the first beam column 102 and the second beam column 106.Vehicle frame main beam 101 is the frame structure for being parallel to ground setting；First Beam column 102 and the second beam column 106 are arranged in the upside of vehicle frame main beam 101 along the extending direction of track, and are located at vehicle frame master The opposite both ends of beam 101.
To keep the structure of vehicle frame 100 more stable, also set up between the first beam column 102 and the second beam column 106 there are two side Portion's truss structure 103, two side truss structures 103, the first beam column 102 and the second beam column 106 form the frame of four sides cylinder Structure.It is understood that the first beam column 102, the second beam column 106 and/or side truss structure 103 may each be in sphere of movements for the elephants The frame of structure is constituted, and is also possible to the frame structure of other shapes, as long as convenient for forming stable vehicle frame 100, and be convenient for Other components are installed on it.
Meanwhile it being additionally provided with hitch connection structure 104 at the both ends of vehicle frame main beam 101, at the end of hitch connection structure 104 Portion's chain is connected to hitch 105.Hitch 105 is used to be fixedly connected with other devices of traction needed for tractor.It is understood that It is that hitch connection structure 104 is also possible to frame structure, as long as convenient for connection hitch 105.
It is shown in Figure 1, the first trailer wagon 300 and the second trailer wagon are slidably fitted on vehicle frame main beam 101.The One trailer wagon 300 and the second trailer wagon are arranged on vehicle frame main beam 101 along the extending direction of track, and the first trailer wagon 300 and second trailer wagon between the first beam column 102 and the second beam column 106.First trailer wagon 300 and the second traction are small Vehicle can slide on vehicle frame main beam 101, i.e., relative to 100 shift position of vehicle frame.
The tractor further includes the first chain-drive mechanism 400 and the second chain-drive mechanism.The traction of first beam column 102, first It is linked between trolley 300 and the second trailer wagon by the first chain-drive mechanism 400；Second beam column 106, the second trailer wagon with It is linked between first trailer wagon by the second chain-drive mechanism.Specifically, in link process, the first trailer wagon 300 Between the first beam column 102 and the second trailer wagon, the second trailer wagon be located at the first trailer wagon and the second beam column 106 it Between.In above-mentioned link process, the first trailer wagon 300 not necessarily must specifically be located at the first beam column 102 and the second trailer wagon Between, the first trailer wagon 300 and the second trailer wagon also interchanging positions, and use identical on-link mode (OLM) link.
To realize driving tractor relative to track shift position, the first trailer wagon 300 and the second trailer wagon are each From including clamp system 305 and retaining mechanism 304.Clamp system 305 can be from the two sides grip track of track, to realize the The purpose that one trailer wagon 300 and/or the second trailer wagon are fixed relative to track.Simultaneously as the first trailer wagon 300 with Second trailer wagon can be relative to 100 shift position of vehicle frame, when the first trailer wagon 300 or the second trailer wagon are clamped in When on track, the first trailer wagon 300 or the second trailer wagon are constant relative to the position of track.
The purpose that driving tractor movement is realized for cooperation 300/ second trailer wagon of the first trailer wagon, leads first Draw and is provided with retaining mechanism 304 on trolley 300 and the second trailer wagon.Retaining mechanism 304 is for locking any arrival locking Chain on 400/ second chain-drive mechanism of the first chain-drive mechanism of location point.For example, with the locking of the first trailer wagon 300 Mechanism 304 locks for 400 chain of the first chain-drive mechanism.When the certain point chain of the first chain-drive mechanism is by the retaining mechanism 304 lockings, then relative to the first trailer wagon 300 change in location does not occur for the position of the first chain-drive mechanism 400.
It is shown in Figure 1, it is clamped on track with the clamp system 305 of the first trailer wagon 300, the first trailer wagon When 300 retaining mechanism 304 locks the first chain-drive mechanism 400, for the operating status of tractor.First trailer wagon 300 Clamp system 305 be clamped on track, then the first trailer wagon 300 does not change relative to the position of track；Meanwhile when When first chain-drive mechanism rotates clockwise, the position of the certain point of the first chain-drive mechanism 400 of corresponding locking of retaining mechanism 304 It sets.When the first chain-drive mechanism 400 remains in operation, the first beam column 102 will drive to the direction far from the first trailer wagon 300 Movement, i.e., the lower right into Fig. 1 move, to drive vehicle frame 100 to the right to movement, to drive vehicle frame 100 to connect Other car bodies or device shift position, the lower right into Fig. 1 move；Meanwhile second trailer wagon on vehicle frame 100 to The movement of first beam column 102 is transported relative to the movement velocity of the first beam column 102 and the second beam column 106 to the first trailer wagon 300 Dynamic speed is identical.
When the second trailer wagon clamp system and retaining mechanism using the above-mentioned clamp system with the first trailer wagon and When the identical method of operation of retaining mechanism, also, when the traffic direction of chain-drive mechanism does not change, vehicle frame can be made to lead with second Draw trolley and continue to move to position along original direction, thus the movement for keeping tractor lasting along a direction.It is understood that The first chain-drive mechanism/second chain-drive mechanism traffic direction is adjusted, the traffic direction of tractor can be adjusted.
When due to vehicle frame 100, into Fig. 1, lower right is moved, the first beam column 102 to far from the first trailer wagon 300 direction Movement, meanwhile, the second trailer wagon is close to the first trailer wagon.To make vehicle frame 100 continuously travel forward, so that tractor Continuously travel forward.When the second trailer wagon is to the first trailer wagon 300 close to certain distance, preset threshold value is narrowed down to When, the clamp system and retaining mechanism of the first trailer wagon 300 are unclamped, and the clamp system of the second trailer wagon is made to be clamped in rail On road, make the second trailer wagon that change in location not occur relative to track, meanwhile, the retaining mechanism of the second trailer wagon locking the The position of the certain point of two chain-drive mechanisms.When the first chain-drive mechanism 400 and the second chain-drive mechanism continue in the same direction When operating, the first trailer wagon 300 can be driven to be located remotely from each other with the second trailer wagon, pull open the first trailer wagon and led with second Draw the distance between trolley；Meanwhile second the distance between beam column 106 and the second trailer wagon reduce, the second trailer wagon band Motor-car frame 100 is moved on along original direction.When the spacing between the second beam column 106 and the second trailer wagon narrow down to it is default Threshold value when, then release the second trailer wagon to the clamped condition of track, unclamp the lock state to the second chain-drive mechanism.Make The motion mode cycle alternation of above-mentioned first trailer wagon and the second trailer wagon carries out, to draw before other devices continue together Into.
In a specific embodiment, two sliding rails are provided on the vehicle frame main beam 101 of vehicle frame 100, two parallel Sliding rail extending direction it is identical as the extending direction of track.Accordingly, at the bottom of the first trailer wagon and the second trailer wagon Portion or side are provided with pulley 303；Also, pulley 303 is corresponding with the position of sliding rail, and pulley 303 is enable to slide on the slide rail Or rotation, so that the first trailer wagon and/or the second trailer wagon can be relative to 100 shift positions of vehicle frame.Pulley 303 can be with It is one or more；Multiple 303 shapes of pulley are in a row or two rows of, as long as can make the first trailer wagon and the second trailer wagon phase For 100 shift position of vehicle frame.
It is understood that the also settable hydraulic system 700 on vehicle frame main beam 101.
In a specific embodiment, shown in Figure 3, the first trailer wagon 300 includes 320 He of the first car frame At least one set of first support.First trailer wagon 300 preferably includes two groups of first supports, and mutually flat between two groups of first supports Row setting.It is understood that first support is also possible to three groups or three groups or more.
Second trailer wagon includes the second car frame and at least one set of second support.Second trailer wagon preferably includes two Group second support, and it is arranged in parallel between two groups of second supports.First car frame 320 has phase with the second car frame Same structure, first support and second support structure having the same.It is understood that second support be also possible to three groups or Three groups or more.
Below by taking there is the structure of two groups of first supports in the first car frame 320 of the first trailer wagon 300 as an example.Any group First support includes the first supporting plate 301 and the second supporting plate 321.First supporting plate 301 and the second supporting plate 321 are installed in the first trolley The upside of vehicle frame 320.First supporting plate 301 and the second supporting plate 321 are parallel to each other and are vertically installed at the upper of the first car frame 320 Side.The plate face of first supporting plate 301 and the second supporting plate 321 is parallel to the extending direction of track, convenient for the first chain-drive mechanism and the The installation of two chain-drive mechanisms, so that the first trailer wagon, the second trailer wagon, vehicle frame 100 and the first chain-drive mechanism/the second Connection between chain-drive mechanism, and ensure that the transmission direction of chain-drive mechanism is parallel with the extending direction of track.First is small The upper end of vehicle carriage 320 can be planar structure, may not be planar structure, as long as being capable of fixing the first car frame of installation 300 two groups of first supports.
When being provided with two groups of first supports on the first trailer wagon 300, two are correspondingly arranged on the first trailer wagon 300 Cover the first trolley chain-wheel mechanism；Two set of first trolley chain-wheel mechanism is respectively the first trolley chain-wheel mechanism A and the first trolley sprocket wheel Mechanism B.The first trolley chain-wheel mechanism A is provided between the first supporting plate 301 and the second supporting plate 321 of first car frame 320；Separately Also the first trolley chain-wheel mechanism B is correspondingly provided between two pieces of supporting plates of one group of first support.First trolley chain-wheel mechanism A and One trolley chain-wheel mechanism B is only that title is distinguished, and the two structure having the same is that first on the first trailer wagon is small Vehicle chain-wheel mechanism.First trolley chain-wheel mechanism is used for the first trailer wagon 300, the second trailer wagon, the first beam column 102 and first Link between 400/ second chain-drive mechanism of chain-drive mechanism.When the first chain-drive mechanism 400 and the second chain-drive mechanism are transported When turning, under the cooperation of the first trailer wagon 300 and the second trailer wagon, the first trailer wagon 300 and vehicle frame 100 can be made It moves together, or moves the first trailer wagon 300 relative to vehicle frame 100.
Similarly, when the second support of the second trailer wagon has two groups, two groups of second supports are parallel to each other and pacify vertically Mounted in the upside of the second car frame.Second support and first support structure having the same.Any group of second support includes phase The first supporting plate and the second supporting plate mutually parallel and be vertically arranged.
When the second support of the second trailer wagon there are two groups, two set of second trolley is correspondingly arranged on the second trailer wagon Chain-wheel mechanism；Two set of second trolley chain-wheel mechanism is respectively the second trolley chain-wheel mechanism A and the second trolley chain-wheel mechanism B.Wherein The second trolley chain-wheel mechanism A is provided between two pieces of supporting plates of one group of second support；Two pieces of supporting plates of another group of second support it Between be provided with the second trolley chain-wheel mechanism B.Second trolley chain-wheel mechanism A and the second trolley chain-wheel mechanism B is only that title is distinguished, and two Person's structure having the same is the second trolley chain-wheel mechanism on the second trailer wagon.Second trolley chain-wheel mechanism with First trolley chain-wheel mechanism has identical or corresponding structure.Second trolley chain-wheel mechanism is used for the first trailer wagon 300, second Linking between trailer wagon, the second beam column 106 and the first chain-drive mechanism/second chain-drive mechanism.
It is understood that the plate face of two pieces of supporting plates of first support/second support is each perpendicular to the first beam column/second beam Column, and it is parallel to the extending direction of track, so that the chain-wheel mechanism being arranged between two pieces of supporting plates is easy to implement the first chain conveyer 400/ second chain-drive mechanism of mechanism is linked with other structures.
In a specific embodiment, due to the first trolley link mechanism and the second trolley chain-wheel mechanism have it is identical or Corresponding structure.Any trolley chain-wheel mechanism includes the first chain sprocket structure, the second chain sprocket structure and third chain sprocket structure.First chain Wheel construction includes the first central axis and the first trolley sprocket wheel for being sheathed on the first central axis；Second chain sprocket structure includes in second Mandrel and the second trolley sprocket wheel being sheathed on the second central axis；Third chain sprocket structure includes third central axis and is sheathed on third Third trolley sprocket wheel 302 on central axis.
Also, the first chain sprocket structure and the second chain sprocket structure structure having the same, the first trolley sprocket wheel and the second trolley Sprocket wheel is arranged in upper and lower position, and the sprocket wheel end face of the first trolley sprocket wheel and the sprocket wheel end face of the second trolley sprocket wheel are located at same put down In face.And the sprocket wheel end face of third trolley sprocket wheel is located in different planes from the sprocket wheel end face of the first trolley sprocket wheel；Third is small The sprocket wheel end face of blockchain wheel also is located in different planes from the sprocket wheel end face of the second trolley sprocket wheel.The sprocket wheel of third trolley sprocket wheel End face is located in different planes from the first trolley sprocket wheel/second trolley sprocket wheel sprocket wheel end face, is convenient for the first chain-drive mechanism Link of 400/ second chain-drive mechanism to the first trailer wagon 300 and the second trailer wagon.
Specifically, third trolley sprocket wheel can be also possible in the position close to the first supporting plate 301 close to the second supporting plate 321 position, as long as chain sprocket structure and the second trailer wagon in the first trolley chain-wheel mechanism A of the first trailer wagon 300 Chain sprocket structure in second trolley chain-wheel mechanism A matches, the chain in the first trolley chain-wheel mechanism B of the first trailer wagon 300 Wheel construction is matched with the chain sprocket structure in the second trolley chain-wheel mechanism B of the second trailer wagon, in order to the first chain conveyer machine The link of 400/ second chain-drive mechanism of structure.For the simplification convenient for structure, preferably the first trolley of the first trailer wagon 300 Chain-wheel mechanism is identical as the structure of the second trolley chain-wheel mechanism of the second trailer wagon.
The first trailer wagon of above description has identical or corresponding structure with the second trailer wagon, that is, refers to: when first First supporting plate of the third trolley sprocket wheel of trailer wagon close to the first trailer wagon first support, and the third of the second trailer wagon When trolley sprocket wheel is close to the first supporting plate of the second trailer wagon first support, the first trailer wagon is phase with the second trailer wagon Same structure；When the first trailer wagon third trolley sprocket wheel close to the first trailer wagon first support the first supporting plate, and When the third trolley sprocket wheel of two trailer wagons is close to the second supporting plate of the second trailer wagon first support, the first trailer wagon and Two trailer wagons are corresponding structure.
In a specific embodiment, shown in Figure 4, retaining mechanism 304 includes first driving device 306, plate Beam 308 and tooth form plate 309.First driving device 306 can be hydraulic-driven, air pressure driving or other driving methods, such as It can be hydraulic cylinder or pneumatic cylinder, be moved back and forth as long as can satisfy driving plate beam 308 along a direction.It is led with first For drawing trolley 300, one end of first driving device 306 is fixedly connected with car frame, the other end can by support 307 with Plate beam 308 is fixed.
Tooth form plate 309 is fixed in the side of plate beam 308.The tooth-shape structure of tooth form plate 309 is passed towards the first chain Chain in 400/ second chain-drive mechanism of motivation structure.By taking the retaining mechanism 304 of the first trailer wagon 300 as an example.When needing to lock When fixed first chain-drive mechanism 400, first driving device 306 drives plate beam 308 to the chain side of the first chain-drive mechanism 400 To movement, to drive the tooth-shape structure of tooth form plate 309 to be inserted into the gap of chain, so that the first chain-drive mechanism 400 The position of the gap location of chain change in location does not occur relative to the first trailer wagon 300.Then when the first trailer wagon 300 Clamp system 305 be clamped on track, when the first chain-drive mechanism 400 remains in operation, the first beam column 102 can be driven It is moved to close/direction far from the first trailer wagon 300, thus the change for other device relative positions for driving tractor to connect Change.
Specifically, the tooth form plate 309 being fixedly installed on plate beam 308 can be one, be also possible to multiple, quantity Match with the quantity of chain in the drive mechanism of 400/ second chain-drive mechanism of the first chain-drive mechanism.Drive plate beam 308 The driving device of movement can be it is a set of, be also possible to cover, as long as can satisfy the operating status of driving plate beam 308 i.e. It can.Meanwhile tooth form plate 309 can be set in the upside of plate beam 308, also can be set in the downside of plate beam 308, as long as It can be realized the lock function to 400/ second chain-drive mechanism of the first chain-drive mechanism.
It is understood that the retaining mechanism 304 of the second trailer wagon and the retaining mechanism 304 of the first trailer wagon, Structure is identical.The retaining mechanism 304 of first trailer wagon is for locking the first chain-drive mechanism 400, the lock of the second trailer wagon Tight mechanism 304 is for locking the second chain-drive mechanism.
In a specific embodiment, shown in Figure 5, for the clamp system 305 by track side grip track Including the first fixed frame 310, clamp driving unit and nipper units.Clamp driving unit and nipper units are located at the first fixed frame 310 inside；Nipper units are located at the side of clamp driving unit.First fixed frame 310 is hollow frame structure, the upper end It is fixed on the downside of the first car frame 320；Also, the downside of the first fixed frame 310 has opening, and the opening is towards track.
Nipper units include the first clamp subelement and the second clamp subelement.First clamp subelement and the second clamp The opposite sides of clamp driving unit is arranged in unit.First clamp subelement and the second clamp subelement knot having the same Structure.
First clamp subelement includes the first tong arm 314；Second clamp subelement includes the second tong arm 323.First tong arm The lower end of 314 lower end and the second tong arm 323 is in the opposite sides of track.Clamp driving unit is for driving the first pincers The lower end of arm 314 and the lower end of the second tong arm 323 are moved to the direction close to or far from track.
When the lower end of clamp driving unit the first tong arm 314 of driving and the lower end of the second tong arm 323 are to close to track Direction movement when, can be clamped on track, realize the fixation of the first trailer wagon 300 or the second trailer wagon position；When Clamp driving unit drives the lower end of the first tong arm 314 and the lower end of the second tong arm 323 to move to the direction far from track When, clamp system can be released to the clamped condition of track.
In a specific embodiment, shown in Figure 5, clamp driving unit includes the second driving device 311, first Support 313 and elastic component 317.Second driving device 311, the first support 313 and elastic component 317 are respectively positioned on the first fixed frame 310 inside.
Elastic component 317 is supported in the bottom of the first fixed frame 310；First support 313 is located at 317 upside of elastic component. Spring or other springy components can be used to realize the first support 313 in the reciprocal fortune of vertical direction in elastic component 317 It is dynamic.In addition, elastic component 317 can be supported directly upon the bottom of the first fixed frame 310；It can also be in the bottom of the first fixed frame 310 One second support 316 is fixedly installed；Second support 316 is located inside the first fixed frame 310.One end of elastic component 317 is fixed In 316 upper end of the second support, the other end is fixed on 313 bottom of the first support.
The upside of first support 313 is connected with the second driving device 311.The lower end connection first of second driving device 311 The top of the first fixed frame 310 is fixed in support 313, the upper end of the second driving device 311.Second driving device 311 is for driving Dynamic first support 313 moves back and forth in the vertical direction.Second driving device 311 can be hydraulic-driven, be also possible to air pressure Driving or other driving methods, as long as can satisfy the first support 313 of driving to realize and move back and forth in the vertical direction i.e. It can.
By taking the structure of the first clamp subelement as an example.First clamp subelement includes first connecting rod 312, the first tong arm 314 With the first idler wheel A315, the first idler wheel B318 and the first idler wheel C319.It is cut with scissors by the first idler wheel B318 the upper end of first connecting rod 312 It is connected to the side of the first support 313；The lower end of first tong arm 314 is articulated with the first fixed frame 310 by the first idler wheel C319 Bottom or the side of the second support 316；The lower end of first connecting rod 312 and the upper end of the first tong arm 314 pass through the first idler wheel A315 It is hinged.Also, first connecting rod 312 is located at the top of the first tong arm 314.The lower end of first tong arm 314 passes through first The opening of 310 bottom of fixed frame, extends to the side of track.
Similarly, shown in Figure 6, the second clamp subelement includes second connecting rod 322, the second tong arm 323, the second idler wheel A325, the second idler wheel B324 and the second idler wheel C326.The upper end of second connecting rod 322 is articulated with first by the second idler wheel B324 The other side of seat 313；The lower end of second tong arm 323 is articulated with the bottom or of the first fixed frame 310 by the second idler wheel C326 The other side of two supports 316；The lower end of second connecting rod 322 and the upper end of the second tong arm 323 are hinged on by the second idler wheel A325 Together.Also, second connecting rod 322 is located at the top of the second tong arm 323.The lower end of second tong arm 323 passes through the first fixed frame 310 The opening of bottom extends to the side of track.
First connecting rod 312 and second connecting rod 322 are located at the opposite sides of the first support 313, and right about the first support 313 Claim；First tong arm 314 and the second tong arm 323 are located at the two sides of the first support 313, and symmetrical about the first support 313.First pincers The lower end of arm 314 and the lower end of the second tong arm 323 are located at the opposite sides for being same as track.
When the second driving device 311 drives the first support 313 to move downward, first connecting rod 312 and the first support 313 are cut with scissors The position and second connecting rod 322 connect the position hinged with the first support 313 is moved downward with the first support 313, makes the first company Bar 312 and the hinged position of the first tong arm 314 are moved to the direction far from the first support 313；Namely first tong arm 314 upper end Portion is moved to the direction far from the first support 313, so that the lower end of the first tong arm 314 be made to move to the direction close to track； Meanwhile the position that second connecting rod 322 is connect with the second tong arm 323 is also moved to the direction far from the first support 313；Namely second The upper end of tong arm 323 is moved to the direction far from the first support 313, to make the lower end of the second tong arm 323 to close to rail The direction in road moves.
It is, the lower end of the first tong arm 314 and the lower end of the second tong arm 323 are transported to the direction close to track It is dynamic.Since the lower end of the first tong arm 314 and the lower end of the second tong arm 323 are respectively positioned on the side of track, and it is located at same rail The opposite sides in road.When the lower end of the first tong arm 314 and the lower end of the second tong arm 323 are moved to the direction close to track To when being adjacent to track side, that is, realize the purpose by track side grip track.
When needing to release the clamped condition to track, the second driving device 311 and elastic component 317 drive first Seat 313 moves upwards, and the upper end and the second tong arm upper end for driving the first tong arm 314 are to the direction close to the first support 313 Movement, thus move the lower end of the first tong arm 314 and the lower end of the second tong arm 323 to the direction far from track, from And release the clamped condition to track.
It is understood that the first trailer wagon 300 and the second trailer wagon include two sets of clamp systems 305.With For the structure of one trailer wagon 300, two sets of clamp systems are respectively the first clamp system A and the first clamp system B.Two sets of folders Tight mechanism is symmetrically disposed on the downside of the first trailer wagon 300；Every suit clamp system corresponds to a track setting.It can manage Solution, the tractor can also be used for monorail system；When being used for monorail system, 300/ second trailer wagon of the first trailer wagon The a set of clamp system 305 of respectively setting.
When 300/ second trailer wagon of the first trailer wagon needs to be clamped on track, clamping machine on any trailer wagon Second driving device 311 of structure 305 drives the first support 313 to move downward, and then drives the lower end and the of the first tong arm 314 The lower end of two tong arms 323 is moved to the direction close to track, and to be clamped on track by the side of track, then the first traction is small Change in location will not occur for 300/ second trailer wagon relative orbit of vehicle.When needing to release clamped condition, the second driving device 311 the first supports 313 of drive move upwards, and first connecting rod 312 is driven to move to the direction far from track, to drive the first folder Pincers 314 move and unclamp the clamped condition of track to the direction far from track.
In a specific embodiment, shown in Figure 7, for cooperation vehicle frame 100 and the first trailer wagon 300/ second Linking status between trailer wagon is fixedly installed at least a set of big on the side wall of the first beam column 102 and the second beam column 106 Vehicle chain-wheel mechanism.Two sets of cart chain turbines are preferably fixedly installed on the side wall of the first beam column 102 and the second beam column 106 Structure.
The trolley chain-wheel mechanism on cart chain-wheel mechanism and 300/ second trailer wagon of trailer wagon on vehicle frame 100 matches Merging is arranged in a one-to-one correspondence.The quantity of first beam column 102 or the cart chain-wheel mechanism on the second beam column 106 and the first chain conveyer machine The quantity of chain is identical in structure/second chain-drive mechanism.It is preferred that respectively having two sets of carts on the first beam column 102 and the second beam column 106 Chain-wheel mechanism；Two sets of cart chain-wheel mechanisms between two sets of cart chain-wheel mechanisms on first beam column 102 or on the second beam column 106 Between it is arranged in parallel.
Specifically, when being each provided with two sets of trolley chain-wheel mechanisms, first on the first trailer wagon 300 and the second trailer wagon Two sets of cart sprocket wheels when being each provided with two sets of cart chain-wheel mechanisms on beam column 102 and the second beam column 106, on the first beam column 102 Mechanism is respectively the first cart chain-wheel mechanism A and the first cart chain-wheel mechanism B, two sets of cart chain turbines on the second beam column 106 Structure is respectively the second largest vehicle chain-wheel mechanism A and the second largest vehicle chain-wheel mechanism B.First cart chain-wheel mechanism A, the first trolley chain turbine Structure A, the second trolley chain-wheel mechanism A and the second largest vehicle chain-wheel mechanism A are arranged along same rectilinear direction；First cart chain-wheel mechanism B, First trolley chain-wheel mechanism B, the second trolley chain-wheel mechanism B and the second largest vehicle chain-wheel mechanism B are arranged along same rectilinear direction.
Major vehicle chain-wheel mechanism structure having the same.Cart chain-wheel mechanism includes the first cart sprocket wheel 205 and second largest Blockchain wheel, and the first cart sprocket wheel 205 and the second largest blockchain wheel are located on same vertical direction.It is, the first cart sprocket wheel 205 arrange with the second largest blockchain wheel in upper and lower position.Also, the sprocket wheel end face of the first cart sprocket wheel 205 and the second largest blockchain wheel Sprocket wheel end face be in the same plane, and the sprocket wheel end face of the first cart sprocket wheel 205 and the second largest blockchain wheel and corresponding The sprocket wheel end face of one trolley sprocket wheel and the second trolley sprocket wheel is in the same plane or the first cart sprocket wheel 205 and the second largest blockchain The sprocket wheel end face of wheel is in the same plane with the sprocket wheel end face of corresponding third trolley sprocket wheel.That is, the first cart sprocket wheel 205, the end face of the second largest blockchain wheel, the first trolley sprocket wheel and the second trolley sprocket wheel is in the same plane or the first big blockchain The end face of wheel 205, the second largest blockchain wheel and third trolley sprocket wheel is in the same plane.First cart sprocket wheel 205 with it is second largest The spacing between spacing and the first trolley sprocket wheel and the second trolley sprocket wheel between blockchain wheel is identical, in order to the first beam column 102/ Linking between the second beam column 106 and 300/ second trailer wagon of the first trailer wagon.
Specifically, the big blockchain on the first trailer wagon, the second trailer wagon and the first beam column 102 and the second beam column 106 It takes turns between mechanism i.e. by the chain connection in the first chain-drive mechanism and the second chain-drive mechanism.
In a specific embodiment, shown in Figure 7, it is led for connecting vehicle frame 100 and the first trailer wagon/the second Draw the first chain-drive mechanism 400 and the second chain-drive mechanism structure having the same of trolley.With the first chain-drive mechanism 400 For structure.First chain-drive mechanism 400 includes the chain that at least one is in closed loop.First chain-drive mechanism 400 preferably has two Root is in the chain of closed loop；The winding-structure of two chains is identical.
It is the first chain A401 and the first chain B402 when the first chain-drive mechanism 400 includes two chains.With For one chain A.The first end of first chain A401 links to the second trolley chain-wheel mechanism A of the second trailer wagon；This first First U-shaped the first cart sprocket wheel for bypassing the first cart chain-wheel mechanism A of the second end of chain A401, then U-shaped to bypass first small The third-largest blockchain wheel of vehicle chain-wheel mechanism A, then, then the U-shaped second largest blockchain wheel for bypassing the first cart chain-wheel mechanism A, most Afterwards, the second trailer wagon is linked to, is connect with the first end of first chain A401 to form the structure of closed loop.Equally, first The first trolley chain-wheel mechanism B on the first cart chain-wheel mechanism B, the first trailer wagon 300, the second traction on beam column 102 is small The second trolley chain-wheel mechanism B on vehicle by linking in an identical manner in the second chain B404 of closed loop.
Similarly, the second chain-drive mechanism is to link the second beam column 106, the second trailer wagon and the first trailer wagon Connection type is identical as the winding method of chain in the first chain-drive mechanism 400.When the second chain-drive mechanism includes two chains When, it is the second chain A403 and the second chain B404.By taking the second chain A403 as an example.The first end of second chain A403 links To the first trolley chain-wheel mechanism A of the first trailer wagon；The second end of second chain A403 is first U-shaped to bypass the second largest blockchain The first cart sprocket wheel of mechanism A, then the U-shaped third trolley sprocket wheel for bypassing the second trolley chain-wheel mechanism A are taken turns, then, then it is U-shaped Around the second largest blockchain wheel of the second largest vehicle chain-wheel mechanism A, finally, the first trailer wagon is linked to, with second chain A403 First end connection to form the structure of closed loop.Equally, the second largest vehicle chain-wheel mechanism B on the second beam column 106, the second traction are small The first trolley chain-wheel mechanism B on the second trolley chain-wheel mechanism B, the first trailer wagon on vehicle 300 is by the second chain in closed loop B404 is linked in an identical manner.
Completely to illustrate the first chain-drive mechanism 400 and the second chain-drive mechanism to vehicle frame 100, the first trailer wagon 300 and second trailer wagon linking status, below by taking a kind of specific on-link mode (OLM) as an example.Wherein, with the first trailer wagon 300 and second trailer wagon all have two sets of trolley chain-wheel mechanisms；Two sets are all had on first beam column 102 and the second beam column 106 Cart chain-wheel mechanism；First chain-drive mechanism 400 and the second chain-drive mechanism all have for two chains.With the first big blockchain Wheel is located at the top of the second largest blockchain wheel.
By taking the first trolley sprocket wheel is located at the top of the second trolley sprocket wheel as an example.The first chain in first chain-drive mechanism 400 The first end of A around the corresponding second trolley chain-wheel mechanism A of the second trailer wagon the first trolley sprocket wheel；First chain A's Second end is first U-shaped to bypass the first cart sprocket wheel of corresponding first cart chain-wheel mechanism A on the first beam column 102, then U-shaped bypasses The third trolley sprocket wheel of the corresponding first trolley chain-wheel mechanism A of first trailer wagon 300, it is then U-shaped to bypass the first cart sprocket wheel The second largest blockchain wheel of mechanism A, further around the second trolley sprocket wheel for crossing the corresponding second trolley chain-wheel mechanism A of the second trailer wagon, and It connect with the first end of first chain A to form closed loop.
Meanwhile second chain-drive mechanism the second chain A403 first end around corresponding first trolley of the first trailer wagon The first trolley sprocket wheel of chain-wheel mechanism A；The second end of second chain A403 is first U-shaped to be bypassed corresponding the on the second beam column 106 The first cart sprocket wheel of two cart chain-wheel mechanism A, then U-shaped second trailer wagon that bypasses correspond to the second trolley chain-wheel mechanism A's Third trolley sprocket wheel, the then U-shaped second largest blockchain wheel around the second largest vehicle chain-wheel mechanism A, further around crossing the first trailer wagon The second trolley sprocket wheel of corresponding first trolley chain-wheel mechanism A, and connect with the first end of second chain A403 to form closed loop.
Similarly, the first end of the first chain B in the first chain-drive mechanism 400 is around the second trailer wagon corresponding second The first trolley sprocket wheel of trolley chain-wheel mechanism B；The second end of first chain B is first U-shaped to be bypassed corresponding the on the first beam column 102 The first cart sprocket wheel of one cart chain-wheel mechanism B, then U-shaped first trailer wagon 300 that bypasses correspond to the first trolley chain-wheel mechanism B Third trolley sprocket wheel, the then U-shaped second largest blockchain wheel for bypassing the first cart chain-wheel mechanism B, further around crossing, the second traction is small The second trolley sprocket wheel of the corresponding second trolley chain-wheel mechanism B of vehicle, and connect with the first end of first chain B to form closed loop.
Meanwhile second chain-drive mechanism the second chain B first end around the corresponding first small blockchain of the first trailer wagon Take turns the first trolley sprocket wheel of mechanism B；The second end of second chain B is first U-shaped to bypass corresponding second cart on the second beam column 106 The first cart sprocket wheel of chain-wheel mechanism B, then the U-shaped third for bypassing the corresponding second trolley chain-wheel mechanism B of the second trailer wagon are small Blockchain wheel, the then U-shaped second largest blockchain wheel around the second largest vehicle chain-wheel mechanism B, further around crossing the first trailer wagon corresponding the The second trolley sprocket wheel of one trolley chain-wheel mechanism B, and connect with the first end of second chain B to form closed loop.
It is shown in Figure 7, for example, the first chain-drive mechanism 400 and the second chain-drive mechanism are with identical driving to the right Direction operation.When the clamp system 305 of the first trailer wagon 300 is clamped on track, the retaining mechanism of the first trailer wagon 300 When certain point in 304 the first chain-drive mechanisms 400 of locking on chain, then position of first trailer wagon 300 relative to track It does not change, simultaneously because the chain of the first chain-drive mechanism 400 is by driving effect to the right, the first chain-drive mechanism Chain integrally remains in operation in 400, so that the distance between the first trailer wagon 300 and the second beam column 106 reduce and the first beam The distance between column 102 increases, and the first chain-drive mechanism 400 drives the second beam column 106 to the side close to the first trailer wagon 300 To movement, so that vehicle frame 100 be driven integrally to move right；Simultaneously as vehicle frame 100 moves right, make the second trailer wagon with Vehicle frame 100 moves right together, is moved right together to drive by other devices connected on vehicle frame 100.
When the second trailer wagon is close to the first trailer wagon 300, when distance between the two narrows down to preset threshold value, Clamping of 300 clamp system 305 of the first trailer wagon to track is unclamped, releases the clamped condition of the first trailer wagon 300, together When, release lock state of the retaining mechanism 304 to the first chain-drive mechanism 400 of the first trailer wagon 300.
At the same time, the clamp system 305 of the second trailer wagon is made to be clamped in the two sides of track, the lock of the second trailer wagon Tight mechanism 304 locks the chain of the second chain-drive mechanism.At this point, the second trailer wagon does not become relative to the position of track Change, since the first chain-drive mechanism 400 is identical with the driving direction of the second chain-drive mechanism, the second chain-drive mechanism is made to drive the Two beam columns 106 move right, so that vehicle frame 100 be driven integrally to continue to the right to move, then the first trailer wagon 300 and vehicle frame 100 Continuing to move right together enables vehicle frame 100 constantly to move right, and then drawing other devices can be constantly to same The movement of one direction.
Similarly, when needing to achieve the purpose that draw to the left, it is only necessary to change the first chain-drive mechanism 400 and the second chain The driving direction of transmission mechanism.Specifically, pass through the clamp system 305 of the first trailer wagon 300 and retaining mechanism 304 The effect of the clamp system 305 and retaining mechanism 304 of effect and the second trailer wagon, the alternating cooperation of two trailer wagons Effect, enables vehicle frame 100 constantly to move to a direction, achievees the purpose that traction.
It is understood that the second chain-drive mechanism also includes two when the first chain-drive mechanism 400 includes two chains Chain, the first trailer wagon include two groups of first supports and two sets first trolley chain-wheel mechanism, and the second trailer wagon includes two Second support and two set of second trolley chain-wheel mechanism are organized, is correspondingly arranged two sets of cart chain-wheel mechanisms and at least two sets on the first beam column Two sets of chain-wheel mechanisms and at least two sets of strainers are arranged on the second beam column for strainer, meanwhile, the plate of the first trailer wagon Setting is there are two tooth form plate on beam, and there are two tooth form plates for setting on the plate beam of the second trailer wagon.
In a specific embodiment, shown in Figure 8, to improve 400/ second chain conveyer machine of the first chain-drive mechanism The operational efficiency of structure, the corresponding position of chain-wheel mechanism on the first beam column 102 and the second beam column 106 are each provided at least a set of Strainer 200.Two sets are preferably each provided on first beam column 102 and the second beam column 106.Two be arranged on first beam column 102 Covering strainer is respectively first tensioning mechanism A and first tensioning mechanism B；Two sets of strainers being arranged on second beam column 106 Respectively the second strainer A and the second strainer B.Strainer 200 is arranged in a one-to-one correspondence with chain-wheel mechanism；Each tensioning device Structure 200 is respectively positioned between the first beam column 102 and the second beam column 106.The structure of each set strainer 200 is identical.
Any set strainer 200 include the first tension frame 206, the second tension frame 207, first bearing support 202, Second bearing support, the first screw rod 203 and the second screw rod 204.First tension frame 206 and the second tension frame 207 are vertical Setting, and the first tension frame 206 and the second tension frame 207 are parallel to each other.The side of first tension frame 206 is fixed on On the side wall of first beam column, 102/ second beam column 106, the side of the second tension frame 207 also is secured to the first beam column 102/ second On the side wall of beam column 106.
First tension frame 206 and the second tension frame 207 all have hollow slideway.Hollow slideway is set in the horizontal direction It sets, and the extending direction of hollow slideway is parallel with the extending direction of track.Specifically, the structure of hollow sliding can be first The side of 206/ second tension frame 207 of tension frame has one to be open, on 206/ second tension frame 207 of the first tension frame Top and/or bottom in the opening are provided with sliding rail.Engaging has first bearing in the hollow slideway of the first tension frame 206 Support 202, engaging has second bearing support in the hollow slideway of the second tension frame 207；First bearing support 202 can be Along the extending direction sliding position of track in the hollow slideway of first tension frame 206, second bearing support can be at second Along the extending direction sliding position of track in the hollow slideway of tight frame 207.202/ second bearing support of first bearing support Top and/or bottom are provided with slideway accordingly, then 202/ second bearing support of first bearing support can be relative to first 206/ second tension frame of tension frame, 207 sliding position.
Specifically, the side on first bearing support 206 close to 102/ second beam column 106 of the first beam column is fixed with first Bar 203.First screw rod 203 passes through the side wall of 102/ second beam column 106 of the first beam column and is screwed tight by bolt in the first beam column On 102/ second beam column 106.Side on second bearing support 207 close to 102/ second beam column 106 of the first beam column is fixed with the Two screw rods 204.Second screw rod 204 passes through the side wall of 102/ second beam column 106 of the first beam column and is screwed tight by bolt in first On 102/ second beam column 106 of beam column.First cart sprocket wheel/second largest blockchain wheel is rotationally connected with first bearing support by shaft Between 202 and second bearing support.By the corresponding screw of turn, drive the first screw rod 203 and the second screw rod 204 in level side To movement, to adjust the elastic state of 400/ second chain-drive mechanism of the first chain-drive mechanism.
For example, by taking the structure for the first tensioning mechanism A being arranged on the side wall of the first beam column 102 as an example.First tension frame 206 and second tension frame 207 be vertically arranged, also, the side of the first tension frame 206 is solid by the first screw rod 203 Due on the side wall of the first beam column 102, the first beam column is fixed on also by the second screw rod 204 in the side of the second tension frame 207 On 102 side wall.Engaging has first bearing support 202 in the hollow slideway of the first tension frame 206, in the second tension frame Engaging has second bearing support in 207 hollow slideway, and the second largest blockchain wheel of the first cart sprocket wheel 205/ is set to by shaft Between first bearing support 202 and second bearing support.When the second largest blockchain wheel of the first cart sprocket wheel 205/ is with the first chain conveyer When mechanism 400 rotates, shaft is rotated with sprocket wheel relative to first bearing support 202 and second bearing support.
It can be added between 102/ second beam column 106 of 206/ second tension frame 207 of the first tension frame and the first beam column Backing plate 201.When needing to adjust the elastic state of 400/ second chain-drive mechanism of the first chain-drive mechanism, it is only necessary to which turn screws tight The bolt of first screw rod 203 and the second screw rod 204 makes the first screw rod 203 and the second screw rod 204 to close to or far from the first traction The direction of trolley moves, it will be able to adjust the elastic of chain.
In a specific embodiment, which further includes driving mechanism 500, and driving mechanism 500 is for driving the One chain-drive mechanism 400 and the second chain-drive mechanism.Driving mechanism is between the first trailer wagon and the second trailer wagon.It drives Motivation structure includes motor and at least two driving wheels.Driving mechanism preferably includes four driving wheels；Four driving wheel coaxial arrangements, Four driving wheels couple with the output shaft axis of motor.The output shaft of motor and the extending direction of track are vertical.Also, four drives Driving wheel is symmetrically disposed on the two sides of motor two-by-two.Specifically, each driving wheel correspondence and a chain connection；When the driving Wheel drives the chain linked with it to rotate, so that trailer wagon be driven to move by motor driven and when rotating.
In a specific embodiment, the bottom of vehicle frame 100 is provided with traveling wheel.Specifically, the bottom of vehicle frame 100 is set Two rows of traveling wheels 600 are equipped with, the position of two rows of traveling wheels 600 is correspondingly arranged with two tracks respectively.The top of i.e. every track It is correspondingly arranged on row's traveling wheel, in orbit, traveling wheel is slided or rolled along track for traveling wheel engaging, enables vehicle frame 100 Relative to track shift position.
The tractor of the utility model, being arranged two along track extending direction on vehicle frame 100 can be relative to vehicle frame 100 The trailer wagon of sliding is provided with corresponding clamp system 305 and retaining mechanism 304 on each trailer wagon, passes through Vehicle frame 100, the first trailer wagon 300 and the second trailer wagon are carried out chain by one chain-drive mechanism 400 and the second chain-drive mechanism Connect, and by the clamp system 305 of the clamp system 305 of the first trailer wagon and retaining mechanism 304 and the second trailer wagon and The cooperation of retaining mechanism 304 operates, and plays the purpose for driving vehicle frame along track extending direction shift position, so play traction with Purpose of other devices of tractor connection along track extending direction shift position.
The utility model also provides a kind of traction method of tractor, and the tractor includes can be along the vehicle frame of tracks travel And the first trailer wagon and the second trailer wagon on the vehicle frame are slideably positioned in along track extending direction；The vehicle frame, It is linked between first trailer wagon and second trailer wagon by the first chain-drive mechanism and the second chain-drive mechanism； The traction method specifically comprises the following steps:
Step 1: first trailer wagon is clamped on track by track side, and first trailer wagon is locked simultaneously Fixed first chain-drive mechanism or second trailer wagon lock second chain-drive mechanism, so that first chain passes On the chain of motivation structure a little relative to the position of first trailer wagon is constant or second chain-drive mechanism A little constant relative to the position of second trailer wagon on chain, first chain-drive mechanism and second chain pass Motivation structure remains in operation, and the vehicle frame is driven to move together with second trailer wagon to same direction, so that the track Tractor orbital motion；
Step 2: when the distance between first trailer wagon and second trailer wagon, alternatively, described first leads When drawing the distance between trolley and the vehicle frame one end and narrowing down to preset threshold value, first trailer wagon is released to track Clamped condition, be clamped in second trailer wagon on track by track side, and corresponding to change first traction small Vehicle to first chain-drive mechanism and second trailer wagon to the lock state of second chain-drive mechanism, described One chain-drive mechanism and second chain-drive mechanism remain in operation, drive the vehicle frame and first trailer wagon to step The same direction moves in rapid 1, so that railroad hauling car continuation travels forward along track；
Step 3: when the distance between second trailer wagon and described vehicle frame the other end, alternatively, described second leads When drawing the distance between trolley and first trailer wagon and narrowing down to the threshold value, second trailer wagon is released to track Clamped condition and lock state to second chain-drive mechanism；
Circulation executes step 1-3, and the railroad hauling car is made constantly to travel forward in the same direction along track, until arriving Up to destination.
For the traction method for completely illustrating tractor, tractor is completely linked below and driving method is illustrated Explanation.Wherein, two sets of trolley chain-wheel mechanisms are all had with the first trailer wagon 300 and the second trailer wagon；First beam column, 102 He Two sets of cart chain-wheel mechanisms are all had on second beam column 106；First chain-drive mechanism 400 and the second chain-drive mechanism all have two For chain.It is located at the top of the second largest blockchain wheel with the first cart sprocket wheel.
By taking the first trolley sprocket wheel is located at the top of the second trolley sprocket wheel as an example.The first chain in first chain-drive mechanism 400 The first end of A403 around the corresponding second trolley chain-wheel mechanism A of the second trailer wagon the first trolley sprocket wheel；First chain First U-shaped the first cart sprocket wheel for bypassing corresponding first cart chain-wheel mechanism A on the first beam column 102 of the second end of A403, then be in U Type corresponds to the third trolley sprocket wheel of the first trolley chain-wheel mechanism A around the first trailer wagon 300, then U-shaped to bypass first greatly The second largest blockchain wheel of vehicle chain-wheel mechanism A, further around the second small blockchain for crossing the corresponding second trolley chain-wheel mechanism A of the second trailer wagon Wheel, and connect with the first end of first chain A403 to form closed loop.
Meanwhile second chain-drive mechanism the second chain A403 first end around corresponding first trolley of the first trailer wagon The first trolley sprocket wheel of chain-wheel mechanism A；The second end of second chain A403 is first U-shaped to be bypassed corresponding the on the second beam column 106 The first cart sprocket wheel of two cart chain-wheel mechanism A, then U-shaped second trailer wagon that bypasses correspond to the second trolley chain-wheel mechanism A's Third trolley sprocket wheel, the then U-shaped second largest blockchain wheel around the second largest vehicle chain-wheel mechanism A, further around crossing the first trailer wagon The second trolley sprocket wheel of corresponding first trolley chain-wheel mechanism A, and connect with the first end of second chain A403 to form closed loop.
Similarly, the first end of the first chain B402 in the first chain-drive mechanism 400 is corresponding around the second trailer wagon The first trolley sprocket wheel of second trolley chain-wheel mechanism B；The second end of first chain B402 is first U-shaped to bypass the first beam column 102 The first cart sprocket wheel of upper correspondence the first cart chain-wheel mechanism B, then U-shaped first trailer wagon 300 that bypasses correspond to the first trolley The third trolley sprocket wheel of chain-wheel mechanism B, the then U-shaped second largest blockchain wheel for bypassing the first cart chain-wheel mechanism B, further around crossing the The second trolley sprocket wheel of the corresponding second trolley chain-wheel mechanism B of two trailer wagons, and connect with the first end of first chain B402 To form closed loop.
Meanwhile second chain-drive mechanism the second chain B402 first end around corresponding first trolley of the first trailer wagon The first trolley sprocket wheel of chain-wheel mechanism B；The second end of second chain B402 is first U-shaped to be bypassed corresponding the on the second beam column 106 The first cart sprocket wheel of two cart chain-wheel mechanism B, then U-shaped second trailer wagon that bypasses correspond to the second trolley chain-wheel mechanism B's Third trolley sprocket wheel, the then U-shaped second largest blockchain wheel around the second largest vehicle chain-wheel mechanism B, further around crossing the first trailer wagon The second trolley sprocket wheel of corresponding first trolley chain-wheel mechanism B, and connect with the first end of second chain B402 to form closed loop.
The movement control mode of this tractor can there are many, when the transmission direction of chain-drive mechanism is different, tractor The direction of motion also can correspondingly change.By taking the rotating clockwise of chain-drive mechanism as an example.
For example, motion mode one
A1, it is clamped on track when the clamping mechanism of only the first trailer wagon, and the retaining mechanism of the first trailer wagon When locking the first chain-drive mechanism, right of the tractor into Fig. 1 is advanced；
A2, when the distance between the first trailer wagon and the second trailer wagon narrow down to preset threshold value, release first Trailer wagon makes the clamp system of the second trailer wagon be clamped in track the locking state of track and the first chain-drive mechanism On, the retaining mechanism of the second trailer wagon locks the second chain-drive mechanism, and tractor is made to continue to move right；
A3, when the distance between the second trailer wagon and the second beam column narrow down to preset threshold value, release second traction Locking state of the trolley to track and the second chain-drive mechanism；
Circulation executes A1-3, and the tractor is made constantly to travel forward, until arriving at the destination.
Motion mode two
B1, it is clamped on track when the clamping mechanism of only the first trailer wagon, and the retaining mechanism of the second trailer wagon When locking the second chain-drive mechanism, left of the tractor into Fig. 1 is advanced；
B2, when the distance between the first trailer wagon and the first beam column narrow down to preset threshold value, release first traction Trolley is to the clamped condition of track with the second trailer wagon of releasing to lock state the first chain conveyer machine of the second chain-drive mechanism The locking state of structure, and it is clamped in the clamp system of the second trailer wagon on track, make the retaining mechanism of the first trailer wagon The first chain-drive mechanism is locked, tractor is made to continue to move downward；
B3, when the distance between the first trailer wagon and the second trailer wagon narrow down to preset threshold value, release second Trailer wagon is to the clamped condition of track and the first trailer wagon to the lock state of the first chain-drive mechanism；
Circulation executes B1-3, moves downward the tractor constantly, until arriving at the destination.
Motion mode three
When the retaining mechanism of the first trailer wagon and the second trailer wagon is without locking corresponding chain-drive mechanism, and the The clamp system of one trailer wagon and the second trailer wagon is not clamped on track, alternatively, only one trailer wagon When clamp system is clamped on track, then relative position will not occur for tractor, the first trailer wagon and the second trailer wagon Variation.
Motion mode four
When the clamp system of the first trailer wagon and the second trailer wagon is not clamped on track, and the first traction is small In the retaining mechanism of vehicle and the second trailer wagon, only one retaining mechanism locks corresponding chain-drive mechanism, then tractor is not Change in location can occur relative to track, but opposite change in location can occur for the first trailer wagon and the second trailer wagon, two Person is close to each other or is located remotely from each other.
It is illustrated below with motion mode one.It is shown in Figure 7, for example, the first chain-drive mechanism 400 and second Chain-drive mechanism is run with identical driving direction to the right.When the clamp system 305 of the first trailer wagon 300 is clamped in track On, when the retaining mechanism 304 of the first trailer wagon 300 locks the certain point in the first chain-drive mechanism 400 on chain, then first Trailer wagon 300 does not change relative to the position of track, simultaneously because the chain of the first chain-drive mechanism 400 is by the right Driving effect, chain integrally remains in operation in the first chain-drive mechanism 400, so that the first trailer wagon 300 and the second beam column The distance between 106 reduce, drive the second beam column with the distance between the first beam column 102 increase, the first chain-drive mechanism 400 106 move to the direction close to the first trailer wagon 300, so that vehicle frame 100 be driven integrally to move right；Simultaneously as vehicle frame 100 move right, and move right the second trailer wagon together with vehicle frame 100, to drive other by connecting on vehicle frame 100 Device moves right together.
When the second trailer wagon is close to the first trailer wagon 300, when distance between the two narrows down to preset threshold value, Clamping of 300 clamp system 305 of the first trailer wagon to track is unclamped, releases the clamped condition of the first trailer wagon 300, together When, release lock state of the retaining mechanism 304 to the first chain-drive mechanism 400 of the first trailer wagon 300.
At the same time, the clamp system 305 of the second trailer wagon is made to be clamped in the two sides of track, the lock of the second trailer wagon Tight mechanism 304 locks the chain of the second chain-drive mechanism.At this point, the second trailer wagon does not become relative to the position of track Change, since the first chain-drive mechanism 400 is identical with the driving direction of the second chain-drive mechanism, the second chain-drive mechanism is made to drive the Two beam columns 106 move right, so that vehicle frame 100 be driven integrally to continue to the right to move, then the first trailer wagon 300 and vehicle frame 100 Continuing to move right together enables vehicle frame 100 constantly to move right, and then drawing other devices can be constantly to same The movement of one direction.
When the distance between the second trailer wagon 300 and the second beam column 106 narrow down to preset threshold value, then second is released 300 clamp system of trailer wagon unclamps 300 retaining mechanism of the second trailer wagon to the second chain conveyer machine to the clamped condition of track The lock state of structure；According to the work of above-mentioned first trailer wagon, it is clamped in the first trailer wagon on track, and lock First chain-drive mechanism.
Circulation executes above-mentioned first trailer wagon 300 to the clamped condition of track, to the locking shape of the first chain-drive mechanism State and the second trailer wagon are to the clamped condition of track, and to the lock state of the second chain-drive mechanism, make tractor constantly It is moved to same direction, until arriving at the destination.
Similarly, when needing to achieve the purpose that draw to the left, it is only necessary to change the first chain-drive mechanism 400 and the second chain The driving direction of transmission mechanism.Specifically, pass through the clamp system 305 of the first trailer wagon 300 and retaining mechanism 304 The effect of the clamp system 305 and retaining mechanism 304 of effect and the second trailer wagon, the alternating cooperation of two trailer wagons Effect, enables vehicle frame 100 constantly to move to a direction, achievees the purpose that traction.
Finally, the method for the utility model is only preferable embodiment, it is not intended to limit the protection of the utility model Range.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in Within the protection scope of the utility model.

Claims (10)

1. a kind of tractor characterized by comprising can include being built in vertically along the vehicle frame of tracks travel, the vehicle frame First beam column and the second beam column at vehicle frame main beam both ends；
Slidable first trailer wagon and the second trailer wagon be installed on the vehicle frame main beam, first trailer wagon with Second trailer wagon is arranged along the extending direction of track, and first trailer wagon is located at second trailer wagon Between first beam column and second beam column；
First trailer wagon by the first chain-drive mechanism respectively with first beam column and the second trailer wagon chain Connect, second trailer wagon by the second chain-drive mechanism respectively with second beam column and the first trailer wagon chain It connects, and first trailer wagon and second trailer wagon include two sets for capable of being lock by track two sides on track Clamp system and for lock it is any reach latched position point first chain-drive mechanism/second chain-drive mechanism chain The retaining mechanism of item.
2. tractor according to claim 1, which is characterized in that first trailer wagon and second trailer wagon At least one set of bracket for including car frame and being fixed on the upside of the car frame；
The bracket includes the first supporting plate and the second supporting plate for being parallel to each other and being vertically arranged, first supporting plate and described second It is equipped between supporting plate for linking first chain-drive mechanism/second chain-drive mechanism trolley chain-wheel mechanism.
3. tractor according to claim 2, which is characterized in that the trolley chain-wheel mechanism include the first chain sprocket structure, Second chain sprocket structure and third chain sprocket structure；
The central axis of first chain sprocket structure, the second chain sprocket structure and third chain sprocket structure respectively with first supporting plate and The second supporting plate connection, first chain sprocket structure is with second chain sprocket structure structure having the same and positioned at same perpendicular Histogram is upward, the sprocket wheel of the sprocket wheel end face of first chain sprocket structure and second chain sprocket structure and the third chain sprocket structure End face is located at different planes.
4. tractor according to claim 2, which is characterized in that the retaining mechanism includes being driven by first driving device With the plate beam moved in vertical direction；The upper end of the first driving device is fixed on the bracket；
The side of the plate beam is fixed with tooth form plate, and the tooth form plate is towards first chain-drive mechanism/second chain Chain in transmission mechanism.
5. tractor according to claim 2, which is characterized in that the clamp system includes being fixed on the car frame The first hollow fixed frame of downside and clamp driving unit and nipper units inside first fixed frame；It is described Nipper units are located at the side of the clamp driving unit；
The nipper units include having mutually isostructural first clamp subelement and the second clamp subelement, first clamp Subelement and the second clamp subelement are located at the opposite sides of the clamp driving unit；The first clamp subelement packet The first tong arm is included, the second clamp subelement includes the second tong arm, the lower end of first tong arm and second tong arm Lower end in the opposite sides of track, the clamp driving unit is used to drive the lower end of first tong arm and described The lower end of second tong arm is moved to the direction close to or far from the track.
6. tractor according to claim 5, which is characterized in that the clamp driving unit includes the first support, described First support is supported in the bottom of first fixed frame by elastic component, is connected on the upside of first support for driving The second driving device that first support is moved back and forth in vertical direction, the upper end of second driving device are fixed on described The top of first fixed frame；
The first clamp subelement further includes first connecting rod, and the second clamp subelement further includes second connecting rod；Described The upper end of one connecting rod is articulated with the side of first support, the upper end hinge of the lower end of the first connecting rod and first tong arm It is connected together, the lower end of first tong arm is articulated with the bottom of first fixed frame, and the lower end of first tong arm The side of track is extended to across the opening of first fixed frame bottom；
The upper end of the second connecting rod is articulated with the other side of first support, the lower end of the second connecting rod and described second The upper end of tong arm is hinged, and the lower end of second tong arm is articulated with the bottom of first fixed frame, and described second The opening that the lower end of tong arm passes through first fixed frame bottom extends to the side of track.
7. tractor according to claim 3, which is characterized in that the side wall of first beam column and second beam column is each Be fixed at least a set of cart chain-wheel mechanism matched with the trolley chain-wheel mechanism, the cart chain-wheel mechanism with it is described small Vehicle chain-wheel mechanism is arranged in a one-to-one correspondence；
The cart chain-wheel mechanism includes the first cart sprocket wheel and the second largest blockchain wheel, the first cart sprocket wheel and described second Cart sprocket wheel is located at same vertical direction.
8. tractor according to claim 7, which is characterized in that first chain-drive mechanism and second chain conveyer Mechanism structure having the same；
First chain-drive mechanism includes the first chain that at least one is in closed loop, the first end link of any first chain To the corresponding second trolley chain-wheel mechanism of second trailer wagon, the second end of first chain is U-shaped successively to bypass position In the first cart sprocket wheel corresponding on first beam column, the third chain sprocket structure of first trailer wagon and positioned at institute The corresponding second largest blockchain wheel on the first beam column is stated, and links to corresponding second trolley of second trailer wagon Chain-wheel mechanism, to form closed loop；
Second chain-drive mechanism includes the second chain that at least one is in closed loop, the first end link of any second chain To the first trolley chain-wheel mechanism of first trailer wagon, the second end of second chain is U-shaped successively to bypass institute's rheme In the first cart sprocket wheel corresponding on second beam column, second trailer wagon third chain sprocket structure and be located at described the The corresponding second largest blockchain wheel on two beam columns, and link to the corresponding first trolley chain turbine of first trailer wagon Structure, to form closed loop.
9. tractor according to claim 7, which is characterized in that the side wall of first beam column and second beam column is each It is provided at least a set of strainer；
The strainer includes the first tension frame and the second tension frame arranged in parallel, first tension frame It is vertically arranged with second tension frame；
First tension frame and second tension frame all have hollow slideway, the hollow cunning of first tension frame Engaging has a first bearing support in road, and engaging has a second bearing support in the hollow slideway of second tension frame, and described the One cart sprocket wheel/second largest blockchain wheel is installed between the first bearing support and the second bearing support；
The side of the first bearing support is fixed with the first screw rod, and first screw rod passes through first beam column/second beam The side wall of column is simultaneously bolted on first beam column/second beam column, and the side of the second bearing support is fixed with the second screw rod, Second screw rod passes through first beam column/second beam column side wall and is bolted on first beam column/second beam column.
10. tractor according to claim 7, which is characterized in that first trailer wagon and second traction are small The driving mechanism for driving first chain-drive mechanism and second chain-drive mechanism is provided between vehicle；
The driving mechanism includes motor and by motor-driven at least two driving wheel, at least two driving wheel Coaxial arrangement.
CN201820734629.2U 2018-05-16 2018-05-16 A kind of tractor Withdrawn - After Issue CN208216734U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108725505A (en) * 2018-05-16 2018-11-02 武汉开锐海洋起重技术有限公司 A kind of tractor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108725505A (en) * 2018-05-16 2018-11-02 武汉开锐海洋起重技术有限公司 A kind of tractor
CN108725505B (en) * 2018-05-16 2023-09-01 武汉开锐海洋起重技术有限公司 Tractor vehicle

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