CN206561877U - 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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- CN206561877U CN206561877U CN201720308150.8U CN201720308150U CN206561877U CN 206561877 U CN206561877 U CN 206561877U CN 201720308150 U CN201720308150 U CN 201720308150U CN 206561877 U CN206561877 U CN 206561877U
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Abstract
The utility model is related to a kind of light-duty linkwork of full landform endless-track vehicle, belongs to a kind of linkwork of full landform endless-track vehicle.Articulated stand is hinged with pivoting support by double-deck bearing pin three and double-deck bearing pin four；Steering cylinder one is hinged with articulated stand by double-deck bearing pin one, and steering cylinder two is hinged with articulated stand by double-deck bearing pin two；Pitching oil cylinder one end is hinged with pivoting support by double-deck bearing pin five, the other end and articulated stand are hinged by double-deck bearing pin six；Turn to hold-down support one and turn to hold-down support two and be hinged respectively with articulated stand, steering cylinder bearing one and steering cylinder one are hinged, and steering cylinder bearing two is hinged with steering cylinder two.Advantage is that structure is novel, and light weight effect significantly, makes full landform endless-track vehicle to adapt to more complicated orographic condition, obstacle detouring trench crossing ability is stronger, improves the reliability of linkwork work.
Description
Technical field
The utility model 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 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 bodies are merely capable of realizing divertical motion；
Two degrees of freedom linkwork, i.e., front and rear two sections car bodies 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, 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 for bending and reversing under various operating modes, rigidity, stability requirement.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
Show being horizontally diverted with larger angle pitching for vehicle, the reason for realizing larger angle pitching is that the linkwork devises two
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 forged.Obviously, the shortcoming of the linkwork is same
Sample is that deadweight is larger, and is still restricted using the handling capacity of the full landform endless-track vehicle of the type linkwork.
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 utility model provides a kind of light-duty linkwork of full landform endless-track vehicle, exists to solve current linkwork
Its quality it is larger, the problem of being unsatisfactory for the lightweight demand of engineering machinery field.
The utility model is adopted the technical scheme that：Articulated stand passes through double-deck bearing pin three and double-deck bearing pin with pivoting support
Four are hinged；Steering cylinder one is hinged with articulated stand by double-deck bearing pin one, and steering cylinder two is sold with articulated stand by bilayer
Axle two is hinged；Pitching oil cylinder one end is hinged with pivoting support by double-deck bearing pin five, the other end and articulated stand are sold by bilayer
Axle six is hinged；Turn to hold-down support one and turn to hold-down support two be hinged respectively with articulated stand, steering cylinder bearing one and turn
It is hinged to oil cylinder one, 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, is turned to driven bearing one and is turned 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
It is fixedly connected, two pieces of bearing risers are fixedly connected with pivoting support cylinder, two pieces of support reinforcing plates are respectively with bearing riser and bowing
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 be 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.
The utility model has the advantages that structure is novel, light weight effect is notable.Articulated stand integrally uses body structure, altogether
It is made up of six body structures of size.Pivoting support part uses body structure, is constituted by being hinged cylinder and three body structures.
The characteristics of body structure is protruded is exactly that bending resistance and anti-twisting property are stronger, and bear load it is consistent in the case of with others
Structure compares, wall thickness want it is thin a lot.The light-duty linkwork for the full landform creeper truck that the utility model is provided is than same loading capacity
Other complete light 40kg of landform creeper truck linkwork or so, the thin board type body structure used disclosure satisfy that complex working condition makes
With requiring, 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 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.
Double-deck bearing pin design makes linkwork work more reliable and more stable.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 can not 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, and carrying out machining to steel plate pertains only to welder
With two work posts of miller, technique content is simpler.
Laid the foundation for the linkwork exploitation of the full landform creeper trucks of future 2t and 1.5t.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, below 3t full landform endless-track vehicle 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, model machine quantity can just be reduced by coordinating finite element structure to calculate, and then save examination
Test cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 is the structure schematic diagram of the utility model articulated stand；
Fig. 4 is the sectional view of the utility model articulated stand；
Fig. 5 is the structure schematic diagram of the utility model pivoting support；
Fig. 6 is the sectional view of the utility model pivoting support；
Fig. 7 is Fig. 2 B-B sectional views；
Fig. 8 is Fig. 2 A-A sectional views.
Embodiment
Articulated stand 1 is hinged with pivoting support 2 by double-deck bearing pin 3 12 and double-deck bearing pin 4 13；Steering cylinder 1 with
Articulated stand 1 is hinged by double-deck bearing pin 1, and steering cylinder 28 is hinged with articulated stand 1 by double-deck bearing pin 2 11；Pitching
The one end of oil cylinder 9 with pivoting support 2 is hinged by double-deck bearing pin 5 14, the other end and articulated stand 1 are cut with scissors by double-deck bearing pin 6 15
Connect；Turn to hold-down support 1 and turn to hold-down support 26 and be hinged respectively with articulated stand 1, 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 respectively with support riser 102 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 fastening the threaded one end of bearing pin 1003.So
Both the intermal force of push action cylinder bearing pin had been served, also can effectively prevent articulated stand steel plate to be crushed out of shape or push action cylinder
It is crushed to death locking and causes linkwork can not normal work.
Operation principle：
1. divertical motion：Full landform endless-track vehicle is when turning to, and steering cylinder 1 and steering cylinder 28 provide car 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 turn over an angle in the horizontal plane around articulated stand 1, pivoting support 2 and aftercarriage, complete to turn to fortune
It is dynamic.This linkwork realizes that torque is relatively stable in active steering, steering procedure by oil cylinder push-pull effort, whole divertical motion compared with
To smooth out, 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 is in pitching, and pitching oil cylinder 9 provides the pulling force needed for elevating movement,
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, is then closed
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 higher barrier.Elevating movement position of articulating point is shown in Fig. 2 and Fig. 8.
3. twist motion：Full landform endless-track vehicle is when MODEL OVER COMPLEX TOPOGRAPHY is travelled, in front and rear car body by different force
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 passes through bilayer with pivoting support
Bearing pin three and double-deck bearing pin four are hinged；Steering cylinder one is hinged with articulated stand by double-deck bearing pin one, 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 are hinged by double-deck bearing pin five, 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 respectively with articulated stand, turned
It is hinged to cylinder support one and steering cylinder one, steering cylinder bearing two is hinged with steering cylinder two.
2. a kind of light-duty linkwork 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. a kind of light-duty linkwork 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, and two pieces of support reinforcing plates are respectively with bearing riser and pitching hold-down support one or bowing
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. a kind of light-duty linkwork 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)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720308150.8U CN206561877U (en) | 2017-03-27 | 2017-03-27 | A kind of light-duty linkwork of full landform endless-track vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720308150.8U CN206561877U (en) | 2017-03-27 | 2017-03-27 | A kind of light-duty linkwork of full landform endless-track vehicle |
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| Publication Number | Publication Date |
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| CN206561877U true CN206561877U (en) | 2017-10-17 |
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| CN201720308150.8U Expired - Fee Related CN206561877U (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 (1)
| 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 |
-
2017
- 2017-03-27 CN CN201720308150.8U patent/CN206561877U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20200327 |