CN106080821A - A kind of crawling traction transport vehicle and tensioner thereof - Google Patents
A kind of crawling traction transport vehicle and tensioner thereof Download PDFInfo
- Publication number
- CN106080821A CN106080821A CN201610670725.0A CN201610670725A CN106080821A CN 106080821 A CN106080821 A CN 106080821A CN 201610670725 A CN201610670725 A CN 201610670725A CN 106080821 A CN106080821 A CN 106080821A
- Authority
- CN
- China
- Prior art keywords
- power transmission
- transmission shaft
- spring
- bearing
- tensioner
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/30—Track-tensioning means
Abstract
The invention discloses a kind of crawling traction transport vehicle and tensioner thereof, tensioner includes strainer and adjusts backing plate, strainer includes bearing, power transmission shaft, spring, spring base and oil cylinder, the front end of bearing is fixing with the slide rail of directive wheel both sides to be connected, the front end connecting power transmission shaft is fixed in the rear end of bearing, the rear end of power transmission shaft connects oil cylinder, spring base and spring are all set on power transmission shaft and can move with power transmission shaft, the affixed spring base in rear end of spring, described track beam is provided with the front pressuring plate for limiting spring moving range and rear fender, front pressuring plate and rear fender are crossed on power transmission shaft, the front end of spring is against front pressuring plate, the rear end of spring base is against rear fender, the both sides of bearing are folded with described adjustment backing plate between journal stirrup and front pressuring plate.Elastic tension and rigidity tensioning are combined by the present invention, make crawling traction transport vehicle reduce impact when speed no-load and high travels, can avoid the occurrence of again " jumping tooth " phenomenon when heavy-duty low-speed travels.
Description
Technical field
The present invention relates to a kind of crawling traction transport vehicle tensioner, further relate to a kind of be equipped with aforementioned tensioner
Crawling traction transport vehicle, belongs to technical field of engineering machinery.
Background technology
For the transport of main equipment, conventional situation is to select flat car to coordinate vehicle traction head to transport.But with emphatically
The increase of amount, and the impact of sleety weather so that vehicle traction transport becomes extremely difficult, and traditional vehicle traction head is the most not
Mountain region job requirements can be met, therefore there has been crawler type traction transporter.
Traction transporter is a kind of dependence crawler travel, it is possible to transports large component on poor road surface, provides for flat car
Pull strength, a kind of engineering machinery of transport large component.Two kinds of functions of this machinery, the most corresponding two kinds of operating modes: traction machine work
Condition, transporter operating mode.The difference of two kinds of operating modes is that the assembling structural member got on the bus is different.The traction machine of crawler type traction transporter
Operating mode: owing to needing to be connected with rear car as traction machine, be necessary for meeting domestic common-use size with the position of rear car hanging point, it is impossible to
Too high.Transporter operating mode: needing installation and transportation platform above car body, usual transport section is the biggest, it is contemplated that stability, therefore
Car load height is also unsuitable too high.Transporting for convenience, car load width also needs to meet road transport equipment width requirement simultaneously.I.e. carry out
Band traction transporter all has strict restriction to the overall size (space) of complete machine.
Crawling traction transporter, on the premise of all have strict restriction to the space of complete machine, is also required to be rear car and provides enough
Pull strength, allows the relatively low speed of travel under heavy condition, needs the most again higher travel speed, the most just
Need a kind of reasonably tensioner.Owing to crawling traction transporter needs when zero load to run at high speed, tensioner can be produced
The biggest raw impact, can have a negative impact to the structural member of track beam, even result in the generation of the phenomenons such as weld cracking；And
Travelling under lower-speed state during heavy duty, if using the elastic connection way of tensioning spring, the moment of torsion of reductor output often reaches
Maximum, the tensile force of creeper tread also reaches maximum, tends to exceed the pretightning force of tensioning spring, cause tensioning spring to be pressed completely
Contracting, can cause tensioning spring to have a certain degree of release when running into impact, it is easy to producing creeper tread can not be complete with the driving gear teeth
" jumping tooth " phenomenon of full occlusion, although now can select the tensioning spring of bigger specification, but is often subject to the limit of overall space
System, the tensioning spring of big specification often cannot use.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, it is provided that a kind of crawling traction transport vehicle tensioning fills
Put, it is possible to effectively regulation crawler belt tighting degree, make crawling traction transport vehicle can reduce impact when speed no-load and high travels, can keep away again
Exempt to occur " jumping tooth " phenomenon when heavy-duty low-speed travels.
For solving above-mentioned technical problem, the invention provides a kind of crawling traction transport vehicle tensioner, tensioner
Lying in a horizontal plane on track beam, it is characterized in that, described tensioner includes strainer and adjusts backing plate, described strainer bag
Including bearing, power transmission shaft, spring, spring base and oil cylinder, the front end of described bearing is symmetrically distributed with the journal stirrup of evagination, journal stirrup and guiding
The slide rail of wheel both sides is fixing to be connected, and the front end connecting described power transmission shaft is fixed in the rear end of bearing, the rear end connection of power transmission shaft in order to
Driving the oil cylinder that power transmission shaft is movable, described spring base and spring are all set on power transmission shaft and can move with power transmission shaft, bullet
The affixed spring base in rear end of spring, described track beam is provided with the front pressuring plate for limiting spring moving range and rear fender, front pressure
Plate is in being crossed on power transmission shaft near bearing rear end, and rear fender is crossed on power transmission shaft at close oil cylinder front end, spring
Front end is against front pressuring plate, and the rear end of spring base is against rear fender, and the both sides of bearing are folded with described between journal stirrup and front pressuring plate
Adjust backing plate.
Further, described adjustment backing plate includes that the rigid gasket that several shapes are consistent is formed by stacking.
Further, on described rigid gasket, just side to bearing is provided with the groove of accommodating bearing.
Further, the cylinder body of oil cylinder is provided with oil filler point and fuel feeding valve.
Further, power transmission shaft is arranged with the pogo barrel stretched for guide springs.
Further, the rear end of bearing is provided with the through hole run through for power transmission shaft front end, and through hole is joined with power transmission shaft nose threads
Close.
Accordingly, present invention also offers a kind of crawling traction transport vehicle, it is characterized in that, including aforesaid tensioner,
Directive wheel coordinates in tensioner to be installed.
Compared with prior art, the present invention is reached to provide the benefit that: the present invention is according to the demand of pre-tensioning, at bullet
It is encased inside adjustment backing plate during property strainer tensioning, elastic tension and rigidity tensioning is combined, makes crawling traction transport vehicle at height
In speed driving process, the spring in directive wheel passes to tensioner of the impulsive force produced by crawler belt, this spring is therewith
Produce corresponding deformation (stretch or contract) and absorb its energy, impulsive force is reduced to bottom line simultaneously, so that it is guaranteed that caterpillar belt structure
Stable working；When heavy-duty low-speed travels, impulsive force exceedes the limit of pre-tensioning, due to the adjustment backing plate arranged, then changes
For rigidity tensioning, it is to avoid spring is fully compressed generation " jumping tooth " phenomenon.Tensioning device structure of the present invention is simple, does not affect crawler belt
Traction transport vehicle car load overall size.
Accompanying drawing explanation
Fig. 1 is the structural representation of tensioner of the present invention.
Fig. 2 is the horizontal sectional drawing of strainer in tensioner of the present invention.
Fig. 3 is the structural representation of rigid gasket in tensioner of the present invention.
Fig. 4 is the structural representation that tensioner of the present invention is assemblied in pedrail mechanism.
In figure: 1, directive wheel；2, slide rail；3, track beam；3-1, front pressuring plate；3-2, rear fender；4, bearing；4-1, journal stirrup；
4-2, plate muscle；5, power transmission shaft；6, spring；7, spring base；8, oil cylinder；9 adjust backing plate；9-1, rigid gasket；10, pogo barrel.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.Following example are only used for clearly illustrating the present invention
Technical scheme, and can not limit the scope of the invention with this.
"front", "rear" described herein, "left", "right", using direction that crawling traction transporter advances as
" front ", using crawling traction transporter retreat direction as " afterwards ", with the left side of crawling traction transporter direction of advance for " left ",
With the right side of crawling traction transporter direction of advance for " right ".
In prior art, in the caterpillar belt structure of engineering machinery, tensioner lies in a horizontal plane on track beam 3, and directive wheel 1 leads to
The installation crossing two wood side-guides 2 and tensioner coordinates, it is possible to slide anteroposterior on the guide section of track frame, thus plays crawler belt
The tensioning of chain and guide effect.
In order to meet, crawling traction transporter needs the relatively low speed of travel under heavy condition, the most again
Need the demand of higher travel speed, as shown in Figures 1 to 4, the invention provides a kind of crawling traction transport vehicle tensioning
Device, tensioner lies in a horizontal plane on track beam 3, and tensioner includes strainer and adjusts backing plate 9, described strainer
Including bearing 4, power transmission shaft 5, spring 6, spring base 7 and oil cylinder 8, the front end of described bearing 4 is symmetrically distributed with the journal stirrup 4-of evagination
1, journal stirrup 4-1 are fixing with the slide rail 2 of directive wheel 1 both sides to be connected, and the front end connecting described power transmission shaft 5 is fixed in the rear end of bearing 4, passes
The rear end of moving axis 5 connects in order to drive the movable oil cylinder 8 of power transmission shaft 5, and oil cylinder 8 includes the piston rod of motion and is fixed on shoe
With the cylinder body on beam 3, the piston rod of oil cylinder 8 connects power transmission shaft 5, and the cylinder body of oil cylinder 8 is provided with oil filler point and fuel feeding valve.Described bullet
Spring abutment 7 and spring 6 are all set on power transmission shaft 5 and can move with power transmission shaft 5, the affixed spring base in rear end 7 of spring 6, described shoe
Be provided with the front pressuring plate 3-1 and rear fender 3-2 moving forward and backward scope for limiting spring 6 with beam 3, front pressuring plate 3-1 is near propping up
Seat 4 rear end are crossed on power transmission shaft 5, and rear fender 3-2 is in being crossed on power transmission shaft 5, before spring 6 at oil cylinder 8 front end
Hold against front pressuring plate 3-1, the rear end of spring base 7 against rear fender 3-2, the both sides of bearing 4 in journal stirrup 4-1 and front pressuring plate 3-1 it
Between be folded with described adjustment backing plate 9.Described adjustment backing plate 9 includes that the rigid gasket 9-1 that several shapes are consistent is formed by stacking.
The process that the present embodiment tensioner is assembled in caterpillar belt structure is: step one, first by the journal stirrup 4-of bearing 4 both sides
1 is fixedly connected to form entirety with the slide rail 2 of directive wheel 1 both sides, is directed to take turns 1 and is contained in together with strainer on track beam 3, protects
Hold the axle center of bearing 4, power transmission shaft 5 and oil cylinder 8 in same level, make spring 6 front end support against front pressuring plate 3-1, spring base 7
Pressing plate 3-2 rearward, front pressuring plate 3-1 and rear fender 3-2 belong to parts intrinsic on track beam 3, for compression spring 6；Step 2,
Power transmission shaft 5 rear end being connected oil cylinder 8, opens the fuel feeding valve of oil cylinder 8, oiling in the oil filler point of oil cylinder 8, oil cylinder 8 compresses transmission
Axle 5 moves forward, and power transmission shaft 5 promotes directive wheel 1 to move forward the tensioning realizing creeper tread, and spring 6 is with transmission in the process
Axle 5 moves forward and is compressed between front pressuring plate 3-1 and rear fender 3-2, and forms space between bearing 4 and front pressuring plate 3-1；
Step 3, is actually needed according to the pre-tensioning of crawler belt spring, and several rigid gaskets 9-1 is formed certain thickness adjusting pad
Sheet 9, and be plunged in space being located between both sides journal stirrup 4-1 and front pressuring plate 3-1；Increase and decrease rigid gasket 9 quantity and replacing
Different-thickness, to realize the adjustment of the optimal tensile force of crawler belt.
The schematic diagram that tensioner is assemblied in caterpillar belt structure as shown in Figure 4, when in driving process, the produced punching of crawler belt
Power of hitting is when directive wheel 1 passes to the spring 6 in tensioner, and due to the stop of rear fender 3-2, this spring 6 produces therewith
Corresponding deformation (stretch or contract) absorbs its energy, impulsive force is reduced to bottom line simultaneously, so that it is guaranteed that caterpillar belt structure work
Steadily.When impulsive force exceedes the limit of pre-tensioning, spring is easily compressed by " completely ", and due between journal stirrup and front pressuring plate
The adjustment backing plate arranged, then be changed to rigidity tensioning, it is to avoid spring is fully compressed generation " jumping tooth " phenomenon.
As the preferred embodiments of the present invention, as it is shown on figure 3, just the side of bearing 4 is provided with appearance on rigid gasket 9-1
Putting the groove of bearing 4 sidewall, bearing 4 is symmetrically arranged on two with the gusset 4-2 of triangle, gusset 4-2 just accommodates in a groove,
Play the effect of fixing rigid gasket 9-1, prevent rigid gasket 9-1 from sliding.
Further, as in figure 2 it is shown, be arranged with on power transmission shaft 5 for the flexible pogo barrel 10 of guide springs 6.Spring
Sleeve pipe 10 can flexible with guide springs 6, it is also possible to plays the effect of adaptive power transmission shaft 5 and spring 6.As in figure 2 it is shown, spring housing
Pipe there is one section of distance interrupted between 10 and bearing 4, the distance that this section interrupts is exactly the maximum that spring 6 can be compressed.Generally
The thickness adjusting backing plate 9 determines also according to this distance.
In order to make power transmission shaft be fastenedly connected with bearing, run through as in figure 2 it is shown, the rear end of bearing 4 is provided with for power transmission shaft 5 front end
Through hole, through hole coordinates with power transmission shaft 5 nose threads.Power transmission shaft 5 front end is fixed by nut after through hole, improves further
The fastness that power transmission shaft is connected with bearing.
Accordingly, present invention also offers a kind of crawling traction transport vehicle, including aforesaid tensioner, tensioner exists
In caterpillar belt structure, schematic diagram is as shown in Figure 4, and directive wheel coordinates in tensioner to be installed.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and deformation, these improve and deformation
Also should be regarded as protection scope of the present invention.
Claims (7)
1. a crawling traction transport vehicle tensioner, tensioner lies in a horizontal plane on track beam, it is characterized in that, described
Tight device includes strainer and adjusts backing plate, and described strainer includes bearing, power transmission shaft, spring, spring base and oil cylinder, institute
The front end stating bearing is symmetrically distributed with the journal stirrup of evagination, and journal stirrup is fixing with the slide rail of directive wheel both sides to be connected, and the rear end of bearing is solid
Surely connecting the front end of described power transmission shaft, the rear end of power transmission shaft connects the oil cylinder in order to drive power transmission shaft to move forward and backward, described spring
Seat and spring are all set on power transmission shaft and can move with power transmission shaft, and the affixed spring base in rear end of spring sets on described track beam
Having the front pressuring plate for limiting spring moving range and rear fender, front pressuring plate is crossed on power transmission shaft in close bearing rear end,
Rear fender is in being crossed on power transmission shaft at oil cylinder front end, and the front end of spring is against front pressuring plate, and the rear end of spring base is against rear
Pressing plate, the both sides of bearing are folded with described adjustment backing plate between journal stirrup and front pressuring plate.
A kind of crawling traction transport vehicle tensioner the most according to claim 1, is characterized in that, described adjustment backing plate bag
The rigid gasket including several shapes consistent is formed by stacking.
A kind of crawling traction transport vehicle tensioner the most according to claim 2, is characterized in that, on described rigid gasket
The just side to bearing is provided with the groove of accommodating bearing.
A kind of crawling traction transport vehicle tensioner the most according to claim 1, is characterized in that, the cylinder body of oil cylinder sets
There are oil filler point and fuel feeding valve.
A kind of crawling traction transport vehicle tensioner the most according to claim 1, is characterized in that, power transmission shaft is arranged with
For the pogo barrel that guide springs is flexible.
A kind of crawling traction transport vehicle tensioner the most according to claim 1, is characterized in that, the rear end of bearing is provided with
The through hole run through for power transmission shaft front end, through hole coordinates with power transmission shaft nose threads.
7. a crawling traction transport vehicle, is characterized in that, including the tensioner described in any one of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610670725.0A CN106080821A (en) | 2016-08-16 | 2016-08-16 | A kind of crawling traction transport vehicle and tensioner thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610670725.0A CN106080821A (en) | 2016-08-16 | 2016-08-16 | A kind of crawling traction transport vehicle and tensioner thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106080821A true CN106080821A (en) | 2016-11-09 |
Family
ID=58069447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610670725.0A Pending CN106080821A (en) | 2016-08-16 | 2016-08-16 | A kind of crawling traction transport vehicle and tensioner thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106080821A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902000A (en) * | 2017-12-09 | 2018-04-13 | 无锡松田豹机械科技有限公司 | A kind of crawler belt rotary cultivator tensioning bearing |
| CN108444692A (en) * | 2018-06-08 | 2018-08-24 | 江阴市长龄机械制造有限公司 | The fatigue experimental device of guide wheel strainer |
| CN108974162A (en) * | 2018-08-13 | 2018-12-11 | 张祝 | A kind of adjustable crawler belt running method of terrain clearance |
| CN108974158A (en) * | 2018-08-13 | 2018-12-11 | 张祝 | A kind of control method using electro-hydraulic adjusting crawler body level and elevating function |
| CN108974163A (en) * | 2018-08-13 | 2018-12-11 | 张祝 | A kind of adjustable shock reducing type track drive method of terrain clearance |
| CN109000907A (en) * | 2018-06-08 | 2018-12-14 | 江苏长龄液压股份有限公司 | The fatigue test method of guide wheel strainer |
| CN109383654A (en) * | 2017-08-02 | 2019-02-26 | 久益环球地表采矿公司 | Passive track tensioning system |
| SE1850644A1 (en) * | 2018-05-28 | 2019-11-29 | Komatsu Forest Ab | Belt rack comprising belt support beam arranged with housing for a transmission and belt vehicle comprising the belt rack |
| CN110525529A (en) * | 2019-08-29 | 2019-12-03 | 徐工集团工程机械有限公司 | A kind of triangle Athey wheel and its passive type guidance system and sliding tooth guiding device |
| CN110714115A (en) * | 2019-11-21 | 2020-01-21 | 沈阳飞机工业（集团）有限公司 | Spring heat treatment deformation limiting device |
| CN110733839A (en) * | 2018-07-19 | 2020-01-31 | 久益环球地下采矿有限责任公司 | System and method for tensioning a conveyor in a mining system |
| CN110920765A (en) * | 2019-12-23 | 2020-03-27 | 中信重工开诚智能装备有限公司 | Light crawler type reconnaissance robot |
| CN111232073A (en) * | 2020-02-24 | 2020-06-05 | 徐州徐工矿业机械有限公司 | Engineering machine tool rises and draws device bearing structure and engineering vehicle |
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| CN205930978U (en) * | 2016-08-16 | 2017-02-08 | 徐工集团工程机械股份有限公司 | Crawling traction transport vechicle and overspeed device tensioner thereof |
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| US3647270A (en) * | 1968-11-13 | 1972-03-07 | Orenstein & Koppel Ag | Hydraulic chain-tensioning device, especially for tracklaying vehicles |
| JPS55160670A (en) * | 1979-04-27 | 1980-12-13 | Hitachi Constr Mach Co Ltd | Tension adjuster for caterpillar |
| JPH04133883A (en) * | 1990-09-27 | 1992-05-07 | Hitachi Constr Mach Co Ltd | Tension adjusting device for crawler belt |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109383654A (en) * | 2017-08-02 | 2019-02-26 | 久益环球地表采矿公司 | Passive track tensioning system |
| CN107902000A (en) * | 2017-12-09 | 2018-04-13 | 无锡松田豹机械科技有限公司 | A kind of crawler belt rotary cultivator tensioning bearing |
| WO2019231374A1 (en) * | 2018-05-28 | 2019-12-05 | Komatsu Forest Ab | A track assembly and a track-driven vehicle equipped with such a track assembly |
| US11932328B2 (en) | 2018-05-28 | 2024-03-19 | Komatsu Forest Ab | Track assembly and a track driven vehicle equipped with such a track assembly |
| SE1850644A1 (en) * | 2018-05-28 | 2019-11-29 | Komatsu Forest Ab | Belt rack comprising belt support beam arranged with housing for a transmission and belt vehicle comprising the belt rack |
| CN108444692A (en) * | 2018-06-08 | 2018-08-24 | 江阴市长龄机械制造有限公司 | The fatigue experimental device of guide wheel strainer |
| CN109000907B (en) * | 2018-06-08 | 2020-03-20 | 江苏长龄液压股份有限公司 | Fatigue test method for guide wheel tensioning mechanism |
| CN109000907A (en) * | 2018-06-08 | 2018-12-14 | 江苏长龄液压股份有限公司 | The fatigue test method of guide wheel strainer |
| CN110733839A (en) * | 2018-07-19 | 2020-01-31 | 久益环球地下采矿有限责任公司 | System and method for tensioning a conveyor in a mining system |
| CN108974163A (en) * | 2018-08-13 | 2018-12-11 | 张祝 | A kind of adjustable shock reducing type track drive method of terrain clearance |
| CN108974158A (en) * | 2018-08-13 | 2018-12-11 | 张祝 | A kind of control method using electro-hydraulic adjusting crawler body level and elevating function |
| CN108974162A (en) * | 2018-08-13 | 2018-12-11 | 张祝 | A kind of adjustable crawler belt running method of terrain clearance |
| CN110525529A (en) * | 2019-08-29 | 2019-12-03 | 徐工集团工程机械有限公司 | A kind of triangle Athey wheel and its passive type guidance system and sliding tooth guiding device |
| CN110525529B (en) * | 2019-08-29 | 2024-04-02 | 江苏徐工工程机械研究院有限公司 | Triangular crawler wheel, passive guide system thereof and driving tooth guide device |
| CN110714115A (en) * | 2019-11-21 | 2020-01-21 | 沈阳飞机工业（集团）有限公司 | Spring heat treatment deformation limiting device |
| CN110920765A (en) * | 2019-12-23 | 2020-03-27 | 中信重工开诚智能装备有限公司 | Light crawler type reconnaissance robot |
| CN111232073A (en) * | 2020-02-24 | 2020-06-05 | 徐州徐工矿业机械有限公司 | Engineering machine tool rises and draws device bearing structure and engineering vehicle |
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Application publication date: 20161109 |