CN106828602A - A kind of light-duty linkwork of full landform endless-track vehicle - Google Patents
A kind of light-duty linkwork of full landform endless-track vehicle Download PDFInfo
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- CN106828602A CN106828602A CN201710190525.XA CN201710190525A CN106828602A CN 106828602 A CN106828602 A CN 106828602A CN 201710190525 A CN201710190525 A CN 201710190525A CN 106828602 A CN106828602 A CN 106828602A
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- support
- bearing pin
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- hinged
- bearing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/06—Endless track vehicles with tracks without ground wheels
- B62D55/065—Multi-track vehicles, i.e. more than two tracks
- B62D55/0655—Articulated endless track vehicles
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to a kind of light-duty linkwork of full landform endless-track vehicle, belong to a kind of linkwork of full landform endless-track vehicle.Articulated stand passes through double-deck bearing pin three with pivoting support and double-deck bearing pin four is hinged;Steering cylinder one passes through double-deck bearing pin one and is hinged with articulated stand, and steering cylinder two passes through double-deck bearing pin two and is hinged with articulated stand;Pitching oil cylinder one end is hinged with pivoting support by double-deck bearing pin five, the other end and articulated stand pass through double-deck bearing pin six and be hinged;Turn to hold-down support one and turn to hold-down support two and be hinged with articulated stand respectively, steering cylinder bearing one and steering cylinder one are hinged, and steering cylinder bearing two is hinged with steering cylinder two.Advantage is novel structure, and light weight effect significantly, makes full landform endless-track vehicle to adapt to more complicated orographic condition, and obstacle detouring trench crossing ability is stronger, improves the reliability of linkwork work.
Description
Technical field
The invention belongs to a kind of linkwork of full landform endless-track vehicle.
Background technology
Full landform endless-track vehicle is generally made up of front vehicle body, aftercarriage and the part of linkwork three, can be in snowfield, sand
Travelled in the various landform such as unconcerned, marsh and muddy jungle, additionally it is possible to carry out amphibious operation.Its handling capacity master to complicated landform
Two linkworks for saving car bodies are designed before and after depending on connection.At present, divided from mechanism's number of degrees of freedom, full landform creeper truck
Linkwork be broadly divided into three kinds:Single-degree-of-freedom linkwork, i.e., front and rear two sections car body is merely capable of realizing divertical motion;
Two degrees of freedom linkwork, i.e., front and rear two sections car body can realize divertical motion and elevating movement;Joint with three degress of freedom mechanism, i.e.,
Front and rear two sections car body can not only realize divertical motion and elevating movement, moreover it is possible to realize relative twisting movement.
The full landform creeper trucks of Sweden BV206 use a kind of two degrees of freedom linkwork.This linkwork can be real
Be horizontally diverted and the low-angle pitching of existing vehicle, but relative torsion is unable between front and rear two sections car body, and such linkwork is not
Only to bear bending load, it is necessary to bear the relative torsion load between two section car bodies.Therefore, the linkwork is main by forging
The solid parts composition made, to meet the intensity, rigidity, the stability requirement that bend and reverse under various operating modes.Therefore, should
The shortcoming of linkwork be exactly conduct oneself with dignity it is larger, and its number of degrees of freedom, purpose lack cause using the type linkwork entirely
The handling capacity of shape creeper truck is restricted.
The full landform creeper trucks of Finland NA-140 use a kind of two degrees of freedom linkwork.This linkwork can be real
Existing vehicle is horizontally diverted and larger angle pitching, is that the linkwork devises two the reason for realize larger angle pitching
Pitching oil cylinder, controls front truck pitching and rear car pitching respectively.But the linkwork can not equally realize it is front and rear two section car body it
Between relative torsion, it is also necessary to while bearing bending load and torsional load.Therefore, in order to meet its intensity under various operating modes,
Rigidity, stability requirement, the linkwork are mainly made up of the solid parts for forging.Obviously, the shortcoming of the linkwork is same
Sample is that deadweight is larger, and handling capacity using the full landform endless-track vehicle of the type linkwork is still restricted.
Russian " knight " full landform creeper truck uses a kind of joint with three degress of freedom mechanism.This linkwork is not only
Can realize vehicle be horizontally diverted with larger angle pitching, and the relative rotation between front and rear car body can be realized.But
The linkwork is mainly used in heavy full landform endless-track vehicle, general more than load-carrying 30t.Therefore, deadweight is larger to a certain degree
On limit its use.
The full landform creeper truck of " the boa formula " of Harbin First Machinery Group Corporation Limited uses a kind of Three Degree Of Freedom hinge
Connection mechanism.This linkwork can not only realize vehicle be horizontally diverted with larger angle pitching, and before and after can realizing
The relative rotation of car body.The linkwork has been successfully applied on the full landform creeper truck product of " boa formula " 30t, 5t, 3t series.
But the linkwork structure determines that its quality is larger in itself, the lightweight demand of engineering machinery field is unsatisfactory for, also no longer
Suitable for the full landform endless-track vehicles of 2t and 1.5t.
The content of the invention
The present invention provides a kind of light-duty linkwork of full landform endless-track vehicle, its to solve that current linkwork is present
Quality is larger, is unsatisfactory for the problem of the lightweight demand of engineering machinery field.
The present invention is adopted the technical scheme that:Articulated stand passes through double-deck bearing pin three with pivoting support and double-deck bearing pin four cuts with scissors
Connect;Steering cylinder one passes through double-deck bearing pin one and is hinged with articulated stand, and steering cylinder two passes through double-deck bearing pin two with articulated stand
It is hinged;Pitching oil cylinder one end is hinged with pivoting support by double-deck bearing pin five, the other end and articulated stand pass through double-deck bearing pin six
It is hinged;Turn to hold-down support one and steering hold-down support two is hinged with articulated stand respectively, steering cylinder bearing one and steering oil
Cylinder one is hinged, and steering cylinder bearing two is hinged with steering cylinder two.
The structure of the articulated stand is:Support transverse slat is fixedly connected with support riser, turns to driven bearing one and turns to
Driven bearing two is fixedly connected with support riser respectively, and the driven bearing one of pitching and the driven bearing two of pitching is horizontal with support respectively
Plate is fixedly connected, and support reinforcing sleeve is fixedly connected with support transverse slat and the reserved hole of support riser respectively.
The structure of the pivoting support is:Pitching hold-down support one and pitching hold-down support two respectively with pivoting support cylinder
Be fixedly connected, two pieces of bearing risers are fixedly connected with pivoting support cylinder, two pieces of support reinforcing plates respectively with bearing riser and bow
Face upward hold-down support one or pitching hold-down support two is fixedly connected, triangle muscle is fixedly connected with inside two pieces of bearing risers respectively, two
The hole that individual bearing reinforcing sleeve is reserved with two pieces of bearing risers respectively is fixedly connected, and self-lubricating bearing is assembled on pivoting support cylinder
Seam position.
The double-deck bearing pin one, double-deck bearing pin two, double-deck bearing pin five and double-deck bearing pin six are same bearing pin, double-deck bearing pin
Three is same bearing pin with double-deck bearing pin four, and both pin shaft structures are identical, wherein the double-deck structure of bearing pin one is to support pin sleeve
It is connected on outside fastening bearing pin, packing ring one and packing ring two are located at support bearing pin two ends, and nut is connected with fastening bearing pin threaded one end.
It is an advantage of the invention that structure is novel, light weight effect is notable.Articulated stand integrally uses body structure, altogether by big
Small six body structures composition.Pivoting support part uses body structure, is constituted by being hinged cylinder and three body structures.Casing
The characteristics of structure is protruded is exactly stronger bending resistance and anti-twisting property, and bear load it is consistent in the case of with other structures
Compare, wall thickness want it is thin a lot.The light-duty linkwork of the full landform creeper truck that the present invention is provided than same loading capacity other are complete
Light 40kg of landform creeper truck linkwork or so, the thin board type body structure for being used disclosure satisfy that complex working condition use requirement,
Light weight effect is notable.
Three Degree Of Freedom design makes full landform creeper truck handling capacity stronger.Joint with three degress of freedom mechanism overcomes single-degree-of-freedom
And many shortcomings of two degrees of freedom linkwork, being horizontally diverted and larger angle pitching, Er Qieneng for vehicle can not only be realized
Enough relative rotations realized between front and rear car body.So linkwork is not subjected to from the relative torsion between front and rear car body in itself
Lotus is reprinted, full landform endless-track vehicle is adapted to more complicated orographic condition, obstacle detouring trench crossing ability is stronger, Er Qiegeng
Be conducive to the lightweight of linkwork itself.
It is more reliable and more stable that double-deck bearing pin design makes linkwork work.Push action cylinder hinge on this linkwork sheet metal
Point employs the positioning clamping mode of double-deck bearing pin, on the one hand serves the intermal force of push action cylinder bearing pin, makes front and rear two section
Car body can realize divertical motion or elevating movement, on the other hand also can effectively prevent articulated stand be crushed out of shape or
Push action cylinder be crushed to death locking and cause linkwork cannot normal work, improve the reliability of linkwork work, see figure
7。
Parts mechanical processing technique is simpler.Existing linkwork main parts size is the car based on forging technology
Pincers are washed supplemented by plane mill and welding procedure, and process route is complicated and cumbersome.The main building block articulated stand of this linkwork and hinge
Connecing bearing is welded by steel plate, and only a small number of hold-down supports need forging, carry out machining to steel plate and pertain only to welder
With two work posts of miller, technique content is simpler.
For the linkwork exploitation of the full landform creeper trucks of future 2t and 1.5t lays the foundation.Due to the knot of existing linkwork
Structure design makes the entity structure that its articulated stand and pivoting support can only be forgings, just determines that it can not possibly be by structure in itself
Deadweight is greatly lowered, the full landform endless-track vehicle of below 3t is also just no longer desirable for.The articulated stand and hinge of this linkwork
Connecing bearing is welded by steel plate, and deadweight can be greatly reduced by cutting down thickness of slab, so that suitable for light-dutyer complete
Landform endless-track vehicle.Coordinate FEM calculation and prototype experiment on the basis of this linkwork, can be relatively easy to out
Send the full landform creeper truck linkworks of 2t and 1.5t.
Save research and development test cost.On the one hand because manufacturing process is more simple, production efficiency will be significantly improved, and product is closed
Lattice rate also has lifting, and research and development of products cost will decrease;On the other hand can develop on the basis of identical platform 2t with
The linkwork of the full landform endless-track vehicles of 1.5t, coordinating finite element structure to calculate can just reduce model machine quantity, and then save examination
Test cost.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is top view of the invention;
Fig. 3 is the structure schematic diagram of articulated stand of the present invention;
Fig. 4 is the sectional view of articulated stand of the present invention;
Fig. 5 is the structure schematic diagram of pivoting support of the present invention;
Fig. 6 is the sectional view of pivoting support of the present invention;
Fig. 7 is the B-B sectional views of Fig. 2;
Fig. 8 is the A-A sectional views of Fig. 2.
Specific embodiment
Articulated stand 1 passes through double-deck bearing pin 3 12 with pivoting support 2 and double-deck bearing pin 4 13 is hinged;Steering cylinder 1 with
Articulated stand 1 passes through double-deck bearing pin 1 and is hinged, and steering cylinder 28 passes through double-deck bearing pin 2 11 and is hinged with articulated stand 1;Pitching
The one end of oil cylinder 9 is hinged with pivoting support 2 by double-deck bearing pin 5 14, the other end and articulated stand 1 pass through double-deck bearing pin 6 15 and cut with scissors
Connect;Turn to hold-down support 1 and turn to hold-down support 26 be hinged with articulated stand 1 respectively, steering cylinder bearing 1 and steering
Oil cylinder 1 is hinged, and steering cylinder bearing 27 is hinged with steering cylinder 28, sees Fig. 1.
The structure of articulated stand 1 is:Support transverse slat 101 is fixedly connected with support riser 102, turns to driven bearing 1
It is fixedly connected with support riser 102 respectively with driven bearing 2 104 is turned to, by the driven bearing 1 of pitching and the driven branch of pitching
Seat 2 106 is fixedly connected with support transverse slat 101 respectively, support reinforcing sleeve 107 respectively with support transverse slat 101 and support riser 102
Reserved hole is fixedly connected.
The structure of pivoting support 2 is:Pitching hold-down support 1 and pitching hold-down support 2 204 respectively with pivoting support
Cylinder 201 is fixedly connected, and two pieces of bearing risers 205 are fixedly connected with pivoting support cylinder 201, two pieces of 206 points of support reinforcing plates
Be not fixedly connected with bearing riser 205 and pitching hold-down support 1 or pitching hold-down support 2 204, triangle muscle 207 respectively with
It is fixedly connected inside two pieces of bearing risers 205, the Kong Gu that two bearing reinforcing sleeves 208 are reserved with two pieces of bearing risers 205 respectively
Fixed connection, self-lubricating bearing 202 is assembled to seam position 6 on pivoting support cylinder 201.
The structure of double-deck bearing pin is:Double-deck bearing pin 1, double-deck bearing pin 2 11, double-deck bearing pin 5 14 and double-deck bearing pin 6 15
It is same bearing pin, double-deck bearing pin 3 12 and double-deck bearing pin 4 13 are same bearing pins, and both bearing pin annexations are consistent, therefore
Only illustrated by taking double-deck bearing pin 1 as an example, see Fig. 7, support bearing pin 1004 is socketed in outside fastening bearing pin 1003, packing ring one
1002 and packing ring 2 1005 be located at support bearing pin 1004 two ends, nut 1001 is connected with the threaded one end of bearing pin 1003 is fastened.So
Both the intermal force of push action cylinder bearing pin had been served, also can have effectively prevented articulated stand steel plate to be crushed out of shape or push action cylinder
It is crushed to death locking and causes the linkwork cannot normal work.
Operation principle:
1. divertical motion:When turning to, steering cylinder 1 and steering cylinder 28 provide car to full landform endless-track vehicle respectively
Turn to needed for thrust and pulling force.In the presence of oil cylinder push-pull effort, front vehicle body and steering hold-down support 1 and steering are fixed
Bearing 26 will in the horizontal plane turn over an angle around articulated stand 1, pivoting support 2 and aftercarriage, complete to turn to fortune
It is dynamic.This linkwork realizes active steering by oil cylinder push-pull effort, and torque is relatively stable in steering procedure, whole divertical motion compared with
It is smooth-going, and compared with other endless-track vehicles, radius of turn is smaller, turns to mobility more preferable.Divertical motion position of articulating point is shown in
Fig. 1 and Fig. 7.
2. elevating movement:Full landform endless-track vehicle in pitching, pitching oil cylinder 9 elevating movement is provided needed for pulling force,
In the presence of oil cylinder pulling force, front vehicle body and articulated stand 1 will turn over one around pivoting support 2 and aftercarriage in perpendicular
Individual angle, completes elevating movement.In full landform endless-track vehicle Crossing ditch and barrier, head action is faced upward first, then close
Lock oil cylinder, action of being bowed again after front truck Crossing ditch or barrier, so that across the trench longer than front vehicle body, and
Get over barrier higher.Elevating movement position of articulating point is shown in Fig. 2 and Fig. 8.
3. twist motion:Full landform endless-track vehicle is subject to different force when MODEL OVER COMPLEX TOPOGRAPHY is travelled in front and rear car body
Under effect, the cylinder that is hinged with the pivoting support cylinder 201 of linkwork around aftercarriage is turned over an angle by front vehicle body,
Relative twisting movement before and after completing between car body, is shown in Fig. 6.By the twist motion between front and rear car body, full landform can be made
The crawler belt of endless-track vehicle keeps more preferable contact condition with ground, reduces grounding pressure, improves it in the logical of complicated ground condition
The property crossed.
Claims (4)
1. a kind of light-duty linkwork of full landform endless-track vehicle, it is characterised in that:Articulated stand is with pivoting support by bilayer
Bearing pin three and double-deck bearing pin four are hinged;Steering cylinder one and articulated stand pass through double-deck bearing pin one and are hinged, steering cylinder two and hinge
Support is connect to be hinged by double-deck bearing pin two;Pitching oil cylinder one end and pivoting support pass through double-deck bearing pin five be hinged, the other end and hinge
Support is connect to be hinged by double-deck bearing pin six;Turn to hold-down support one and turn to hold-down support two and be hinged with articulated stand respectively, turn
It is hinged to cylinder support one and steering cylinder one, steering cylinder bearing two is hinged with steering cylinder two.
2. the light-duty linkwork of a kind of full landform endless-track vehicle according to claim 1, it is characterised in that:It is described to be hinged
The structure of support is:Support transverse slat is fixedly connected with support riser, turn to driven bearing one and the driven bearing two of steering respectively with
Support riser is fixedly connected, and the driven bearing one of pitching and the driven bearing two of pitching is fixedly connected with support transverse slat respectively, support
Reinforcing sleeve is fixedly connected with support transverse slat and the reserved hole of support riser respectively.
3. the light-duty linkwork of a kind of full landform endless-track vehicle according to claim 1, it is characterised in that:It is described to be hinged
The structure of bearing is:Pitching hold-down support one and pitching hold-down support two are fixedly connected with pivoting support cylinder respectively, two pieces of branch
Seat riser is fixedly connected with pivoting support cylinder, two pieces of support reinforcing plates respectively with bearing riser and pitching hold-down support one or bow
Face upward hold-down support two to be fixedly connected, triangle muscle is fixedly connected with inside two pieces of bearing risers respectively, two bearing reinforcing sleeve difference
The hole reserved with two pieces of bearing risers is fixedly connected, and self-lubricating bearing is assembled to seam position on pivoting support cylinder.
4. the light-duty linkwork of a kind of full landform endless-track vehicle according to claim 1, it is characterised in that:The bilayer
Bearing pin one, double-deck bearing pin two, double-deck bearing pin five and double-deck bearing pin six are same bearing pins, and double-deck bearing pin three and double-deck bearing pin four are
Same bearing pin, both pin shaft structures are identical, wherein the double-deck structure of bearing pin one is, support pin sleeve is connected on outside fastening bearing pin
Portion, packing ring one and packing ring two are located at support bearing pin two ends, and nut is connected with fastening bearing pin threaded one end.
Priority Applications (1)
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CN201710190525.XA CN106828602A (en) | 2017-03-27 | 2017-03-27 | A kind of light-duty linkwork of full landform endless-track vehicle |
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CN201710190525.XA CN106828602A (en) | 2017-03-27 | 2017-03-27 | A kind of light-duty linkwork of full landform endless-track vehicle |
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CN201710190525.XA Pending CN106828602A (en) | 2017-03-27 | 2017-03-27 | A kind of light-duty linkwork of full landform endless-track vehicle |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110561990A (en) * | 2019-08-15 | 2019-12-13 | 哈尔滨北方防务装备股份有限公司 | Three-cylinder hinge system of double-section crawler |
CN111907273A (en) * | 2020-09-10 | 2020-11-10 | 惠安县螺阳林飞燕汽车维修中心 | Traction equipment for clearing fault vehicle |
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US4645023A (en) * | 1984-03-05 | 1987-02-24 | Watercraft Offshore Canada Ltd. | All terrain vehicle and method of operating same |
CN2145742Y (en) * | 1992-06-01 | 1993-11-10 | 朝阳重型机器厂 | Rubber creeper truck |
CN201461859U (en) * | 2009-06-02 | 2010-05-12 | 浙江大学 | Double-layer transmission pin-roll chain |
CN101708445A (en) * | 2009-11-27 | 2010-05-19 | 河南黄河旋风股份有限公司 | Hollow pin shaft of cubic hinge press |
CN202989994U (en) * | 2012-12-20 | 2013-06-12 | 江苏力博士机械股份有限公司 | Anti-dropping connecting hinge pin for hydraulic crusher and excavator |
CN105857392A (en) * | 2016-04-16 | 2016-08-17 | 吉林大学 | Three-degree-of-freedom articulated structure of articulated tracked vehicle |
CN205935241U (en) * | 2016-07-25 | 2017-02-08 | 中国京冶工程技术有限公司 | Big cross -section steel construction member pin joint node that stacks from top to bottom |
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2017
- 2017-03-27 CN CN201710190525.XA patent/CN106828602A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4645023A (en) * | 1984-03-05 | 1987-02-24 | Watercraft Offshore Canada Ltd. | All terrain vehicle and method of operating same |
CN2145742Y (en) * | 1992-06-01 | 1993-11-10 | 朝阳重型机器厂 | Rubber creeper truck |
CN201461859U (en) * | 2009-06-02 | 2010-05-12 | 浙江大学 | Double-layer transmission pin-roll chain |
CN101708445A (en) * | 2009-11-27 | 2010-05-19 | 河南黄河旋风股份有限公司 | Hollow pin shaft of cubic hinge press |
CN202989994U (en) * | 2012-12-20 | 2013-06-12 | 江苏力博士机械股份有限公司 | Anti-dropping connecting hinge pin for hydraulic crusher and excavator |
CN105857392A (en) * | 2016-04-16 | 2016-08-17 | 吉林大学 | Three-degree-of-freedom articulated structure of articulated tracked vehicle |
CN205935241U (en) * | 2016-07-25 | 2017-02-08 | 中国京冶工程技术有限公司 | Big cross -section steel construction member pin joint node that stacks from top to bottom |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110561990A (en) * | 2019-08-15 | 2019-12-13 | 哈尔滨北方防务装备股份有限公司 | Three-cylinder hinge system of double-section crawler |
CN111907273A (en) * | 2020-09-10 | 2020-11-10 | 惠安县螺阳林飞燕汽车维修中心 | Traction equipment for clearing fault vehicle |
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Application publication date: 20170613 |