CN202743352U - Swing-arm type dual-wheel-track composite special construction vehicle chassis - Google Patents
Swing-arm type dual-wheel-track composite special construction vehicle chassis Download PDFInfo
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- CN202743352U CN202743352U CN 201220350613 CN201220350613U CN202743352U CN 202743352 U CN202743352 U CN 202743352U CN 201220350613 CN201220350613 CN 201220350613 CN 201220350613 U CN201220350613 U CN 201220350613U CN 202743352 U CN202743352 U CN 202743352U
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- swing arm
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Abstract
The utility model provides a swing-arm type dual-wheel-track composite special construction vehicle chassis, comprising a frame, a main bridge component, a half bridge component and a supporting leg component. The main bridge component comprises a main axle, main wheels and a main bridge steering oil cylinder; the half bridge component comprises a half bridge, a half bridge wheel, a half bridge steering cylinder, a swing arm, a telescopic arm and a swing arm oil cylinder; the supporting leg component comprises a supporting leg frame and supporting legs, the supporting leg frame is fixed on the frame, and the supporting legs are symmetrically arranged on the supporting leg frame. With the chassis, a vehicle can achieve flexible switching among the tire type travelling, track type travelling and wheel leg type traveling according to different road conditions. With the chassis, not only is the fast moving ability of the tire type travelling exerted but also switching to the tracking type travelling according to the road conditions can be conveniently achieved; the track is a double-section track, and the adaptability to the terrain is improved; the wheel leg type travelling can be switched according to the terrain requirements of inclined road surfaces or other road surfaces; and the supporting leg device is opened to carry out relevant operation if necessary.
Description
Technical field
The utility model relates to the vehicle chassis field, and specifically a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis.
Background technology
Vehicle chassis is running gear and the support section of whole machinery, counter-force when it bears the deadweight of whole vehicle and equipment work, can stably support on the ground when making vehicle operation, can make again simultaneously machinery operation and transfer building site in the work-yard, the running gear of vehicle has concurrently and supports and move two large functions, and the running gear of vehicle mainly is divided into crawler type and rubber-tyred two large classes by the structure difference at present.The characteristics of crawler belt industrial and commercial bank walking apparatus are, propulsive effort large (propulsive effort of every crawler belt can reach the heavy 35%-45% of machine usually), connect specific pressure little (40-150kPa), thereby off-road capability and good stability, hill climbing ability (is generally 50%-80% greatly, maximum reaches 100%), and turn radius is little, and alerting ability is good.But the cterpillar drive running velocity is low, and consumption of power is large when moving and turning to, and parts depreciation is fast.Therefore, need by other transport vehicles during long distance running.The rubber-tyred running gear is compared with crawler-mounted, advantage is that running velocity is fast, manoevreability good, tire does not damage the road surface during operation, thereby in urban construction, be popular, shortcoming is that grounding pressure is large, hill climbing ability is little, need to support to guarantee with special supporting leg stability and the safety of car load when carrying out operation.Have now novel wheel leg type vehicle better to the comformability of landform, but because the integral structure stressing conditions is bad, structure is comparatively complicated, can not be widely used
In the present vehicle chassis, especially the chassis in the construction machinery and equipment is simple rubber-tyred chassis, caterpillar chassis or wheel leg type chassis.For some in complex road surface or the vehicle of walking at multiple road, the requirement of travelling that can not satisfy abominable road surface of rubber-tyred motor vehicles and machines; And the caterpillar machinery vehicle is very strong for abominable state of ground comformability, but kinematic velocity is slower on the good road surface such as highway, but has determined to bear larger load on the very strong structure of road surface comformability of wheel leg type structure for lateral inclination.
Summary of the invention
The technical matters that solves
The utility model is for the pros and cons of tire, crawler belt, Wheel leg type walking device, propose a kind of swing arm type binodal wheel and carried out the compounded special engineering vehicle chassis, can switch easily and efficiently walking manner according to job requirements and road surface situation, realize rapid movement, when operation, according to the actual conditions operation that makes a jack.For the vehicle in multiple road walking and operation, improved greatly comformability and the running velocity of vehicle.
Technical scheme
The technical solution of the utility model is:
Described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis, it is characterized in that: comprise vehicle frame, main axle assemble, half axle assemble and leg assembly;
Main axle assemble comprises main vehicle bridge, main wheel and main bridge steering cylinder; Main vehicle bridge before and after main vehicle bridge is divided into, the main vehicle bridge symmetry in front and back is fixed on bottom of frame; Main vehicle bridge two ends are connected with main wheel by swinging mounting, and each main wheel passes through HM Hydraulic Motor individual drive separately; Main bridge steering cylinder cylinder ends and main axle center chain connection, main bridge steering cylinder mouth end and each self-corresponding swinging mounting chain connection;
Half axle assemble comprises half-bridge, half-bridge wheel, half-bridge steering cylinder, swing arm, telescopic boom and swing arm oil cylinder; The half-bridge outer end is connected with the half-bridge wheel by swinging mounting, and each half-bridge wheel passes through HM Hydraulic Motor individual drive separately; Separate between each half-bridge; Half-bridge steering cylinder cylinder ends and half-bridge middle part chain connection, half-bridge steering cylinder mouth end and each self-corresponding swinging mounting chain connection; The coaxial socket swing arm of telescopic boom, swing arm outer end and vehicle frame chain connection, captive joint with half-bridge in the telescopic boom outer end; Swing arm cylinder block end and vehicle frame chain connection, swing arm oil cylinder mouth end and front frame end and after poppet end chain connection, the front frame other end and swing arm middle part chain connection, the after poppet other end and vehicle frame chain connection, and the swing arm oil cylinder is between front frame and the after poppet;
Leg assembly comprises supporting rack and supporting leg, and supporting rack is fixed on the vehicle frame, and the supporting leg symmetry is installed on the supporting rack; Each supporting leg comprises horizontal leg rod, vertical support oil cylinder and leg; Laterally leg rod is installed on the supporting rack, and is parallel to main vehicle bridge, and can be in supporting rack transversal stretching; Vertically support oil cylinder is perpendicular to horizontal leg rod, and is connected by vertical outrigger rotating shaft with horizontal leg rod, and vertically outrigger rotating shaft is by oscillating oil cylinder driving rotation; Vertically captive joint with leg in support oil cylinder take-off lever outer end.
Described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis, it is characterized in that: between swing arm and the telescopic boom telescopic boom cylinder is installed, telescopic boom cylinder provides the power of telescopic boom fore and aft motion in swing arm, and the telescopic boom cylinder mouth can pass through the controlled locking of bearing pin.
Described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis, and it is characterized in that: adjust swing arm oil cylinder extension elongation, the half-bridge wheel is upwards packed up, whole chassis is in the wheel undercarriage walking states by main wheel supporting.
Described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis, it is characterized in that: adjust swing arm oil cylinder extension elongation, make simultaneously ground connection of half-bridge wheel and main wheel, cover has crawler belt between main wheel and the half-bridge wheel, is in the crawler travel state.
Described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis, it is characterized in that: telescopic boom is flexible in swing arm under telescopic boom cylinder promotes, and adjusts the tensioning degree of crawler belt; Described crawler belt is the binodal crawler belt.
Described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis, and it is characterized in that: adjust swing arm oil cylinder extension elongation, make main wheel liftoff, whole chassis is in the wheel leg type walking states by the half-bridge wheel supporting.
Described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis, it is characterized in that: oscillating oil cylinder drives vertical outrigger rotating shaft and rotates, drive vertical support oil cylinder and put vertical direction, vertically the support oil cylinder bar stretches out, to main wheel and the equal built on stilts of half-bridge wheel, whole chassis is supported by leg, is in supporting leg support works state.
Beneficial effect
The utility model has been realized a kind of swing arm type binodal wheel shoe compounded special engineering vehicle chassis structure, and vehicle can be according to the different flexible switchings that realize rubber-tyred walking, crawler-type traveling and wheel leg type walking of road conditions.This swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis and can be walked at multiple road, both can bring into play the quick travel ability of rubber-tyred walking manner, can switch to easily the crawler-type traveling mode according to the road surface situation again, crawler belt is the binodal crawler belt, has increased the adaptive capacity to landform; Run into tilted road surface or other road surfaces and can switch to the walking of wheel leg type walking manner according to the landform needs; In case of necessity, open the support leg device operation of being correlated with.
Description of drawings
Fig. 1: swing arm type binodal wheel is carried out the structural representation (upward view) of compounded special engineering vehicle chassis structure;
Fig. 2: the lateral plan when swing arm type binodal wheel is carried out compounded special engineering vehicle chassis structure running on wheels;
Fig. 3: the cutaway view of leg assembly;
Fig. 4: swing arm and telescopic boom scheme of installation;
Fig. 5-1 ~ Fig. 5-4: the lateral plan when swing arm type binodal wheel is carried out compounded special engineering vehicle chassis structure crawler-type traveling:
Fig. 6: the front elevation when swing arm type binodal wheel is carried out compounded special engineering vehicle chassis structure wheel leg type walking (at tilted road surface);
Fig. 7: swing arm type binodal wheel is carried out the lateral plan of compounded special engineering vehicle chassis structure leg operation.
Wherein: 1, vehicle frame; 2, supporting leg; 3, main vehicle bridge; 4, swing arm; 5, telescopic boom; 6, half-bridge; 7, half-bridge steering cylinder; 8, turning rack; 9, HM Hydraulic Motor; 10, main bridge steering cylinder; 11, supporting rack; 12, main wheel; 13, swing arm oil cylinder; 14, after poppet; 15, front frame; 16, half-bridge wheel; 17, horizontal leg rod; 18, oscillating oil cylinder; 19, oscillating oil cylinder mounting flange; 20, bearing; 21, vertical outrigger rotating shaft; 22, vertical support oil cylinder cylinder; 23, vertical support oil cylinder bar; 24 legs; 25, swing arm bearing pin; 26 telescopic boom cylinders; 27 telescopic boom bearing pins; 28, crawler belt.
The specific embodiment
Below in conjunction with specific embodiment the utility model is described:
With reference to accompanying drawing 1, the swing arm type binodal wheel in the present embodiment is carried out the compounded special engineering vehicle chassis, comprises vehicle frame 1, main axle assemble, half axle assemble and leg assembly.Symmetrical, left-right symmetric before and after the integral structure.
Main axle assemble comprises main vehicle bridge 3, main wheel 12 and main bridge steering cylinder 10.Main vehicle bridge is divided into former and later two main vehicle bridge, and former and later two main vehicle bridge symmetries are fixed on bottom of frame; The swinging mounting 8 that main vehicle bridge two ends are passed through separately respectively is connected with main wheel, and each main wheel passes through HM Hydraulic Motor 9 individual drive separately.Main bridge steering cylinder cylinder ends and main axle center chain connection, main bridge steering cylinder mouth end and each self-corresponding swinging mounting chain connection are for main wheel provides steering power.
Half axle assemble comprises half-bridge 6, half-bridge wheel 16, half-bridge steering cylinder 7, swing arm 4, telescopic boom 5 and swing arm oil cylinder 13.The half-bridge outer end is connected with the half-bridge wheel by swinging mounting, and each half-bridge wheel passes through HM Hydraulic Motor individual drive separately, and half-bridge is corresponding one by one with the half-bridge wheel, and is separate between each half-bridge.Half-bridge steering cylinder cylinder ends and half-bridge middle part chain connection, half-bridge steering cylinder mouth end and each self-corresponding swinging mounting chain connection are for the half-bridge wheel provides steering power.
Each half-bridge is to parallel telescopic boom and the swing arm of two covers should be arranged, with reference to accompanying drawing 4, and the coaxial socket swing arm of telescopic boom, swing arm outer end and vehicle frame chain connection, captive joint with half-bridge in the telescopic boom outer end.Telescopic boom cylinder 26 is installed between swing arm and the telescopic boom, the telescopic boom cylinder two ends respectively with swing arm on bearing pin 25 and the bearing pin 27 on the telescopic boom hinged, telescopic boom cylinder provides the power of telescopic boom fore and aft motion in swing arm, and the telescopic boom cylinder mouth can pass through the controlled locking of bearing pin, the requirement when satisfying vehicle employing tire running and wheel leg type walking.
With reference to accompanying drawing 2, swing arm cylinder block end and vehicle frame chain connection, swing arm oil cylinder mouth end and front frame end and after poppet end chain connection, the front frame other end and swing arm middle part chain connection, the after poppet other end and vehicle frame chain connection, and the swing arm oil cylinder is between front frame and the after poppet, and swing arm 4, front frame 15, after poppet 14 itself form four-bar linkage with vehicle frame 1 like this, provide power to realize the swing of swing arm 4 by swing arm oil cylinder 13.
Leg assembly comprises supporting rack 11 and supporting leg 2.Supporting rack is fixed on the vehicle frame, and four supporting legs are arranged in twos and are installed in the supporting rack both sides.As shown in Figure 3, each supporting leg comprises horizontal leg rod 17, vertical support oil cylinder and leg 24.Laterally leg rod is installed on the supporting rack, and is parallel to main vehicle bridge, and can be in supporting rack transversal stretching.Laterally supporting leg is connected with oscillating oil cylinder mounting flange 19 by bolt, oscillating oil cylinder mounting flange 19 is connected with oscillating oil cylinder 18 by bolt, oscillating oil cylinder 18 is connected with vertical outrigger rotating shaft 21, vertically outrigger rotating shaft 21 is connected with oscillating oil cylinder mounting flange 19 by antifriction-bearing box 20, and vertically outrigger rotating shaft drives by oscillating oil cylinder and rotates.Vertically support oil cylinder is perpendicular to horizontal leg rod, and vertically support oil cylinder cylinder 22 is with vertically outrigger rotating shaft 21 is affixed, and vertically captive joint with leg in support oil cylinder bar 23 outer ends.Each supporting leg has 3 degree of freedom, comprises the fore and aft motion of horizontal leg rod 17 in supporting rack, and vertical outrigger rotating shaft 21 is around the rotation of horizontal leg rod 17, the vertically fore and aft motion of support oil cylinder bar 23.During supporting leg work, at first laterally leg rod stretches out, and vertically outrigger rotating shaft rotates along horizontal supporting leg and forwards vertical direction to by horizontal direction, and then supporting leg stretches out, until car load is propped up desirable height.4 supporting legs shrink in the traveling process, make whole compact in design be beneficial to advancing and turning to of machinery.
As shown in Figure 2, machinery is in the wheel undercarriage walking states, swing arm oil cylinder 13 is in the state of stretching out at this moment, by the swing arm four-bar linkage, four half-bridge wheels are upwards packed up, and are advanced by fluid motor-driven separately by four main wheel supportings in whole chassis, by stretching of main bridge steering cylinder, adjust the drift angle of main wheel and realize turning to.The complete machine running velocity is fast, manoevreability good, and tire does not damage the road surface during operation.
Shown in Fig. 5-1.Machinery is in the crawler travel state, swing arm oil cylinder 13 contractions this moment, by the swing arm four-bar linkage, make four half-bridge wheels and four main wheel while ground connection, between main wheel and half-bridge wheel, put crawler belt again, telescopic boom is flexible in swing arm under the promotion of telescopic boom cylinder, adjusts the tensioning degree of crawler belt, the binodal crawler belt of left and right sides crawler belt for disconnecting; And shown in Fig. 5-2,5-3,5-4, can be by regulating the collapsing length of swing arm oil cylinder, the pitching that drives the half-bridge wheel adapts to different landform.Unite the driving crawler belt by main wheel and half-bridge wheel, realize turning to by the differential of each crawler belt.Whole like this chassis propulsive effort is large, and it is little to connect specific pressure, thereby off-road capability and good stability, and hill climbing ability is large, and turn radius is little, and alerting ability is good.
As shown in Figure 6, the swing arm type binodal wheel that the utility model proposes is carried out compounded special engineering vehicle chassis structure, be conducive to switch to easily the wheel leg type walking manner, its concrete scheme is, four swing arm oil cylinders continue to shrink, by the swing arm four-bar linkage, make four main wheels liftoff, by four half-bridge wheel supporting car loads, because four half-bridge wheels are separate, by regulating the elongation of four swing arm oil cylinders, make four half-bridge wheels can satisfy the walking on different road surfaces, particularly when being arranged, the road surface of certain slope makes to get on the bus to be in horizontality.
As shown in Figure 7, machinery is in supporting leg support works state, and at this moment, four swing arm oil cylinders 13 are in contraction state, by the swing arm four-bar linkage, four half-bridge wheels are upwards packed up, and simultaneously, according to operating environment condition horizontal leg rod are reached ideal length, then, vertically outrigger rotating shaft 21 drives vertical support oil cylinder bar 23 pendulum to vertical direction under the promotion of oscillating oil cylinder, and vertically support oil cylinder bar 23 elongations are to main wheel built on stilts.Be convenient to the machinery operation of being correlated with.
Claims (7)
1. a swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis, it is characterized in that: comprise vehicle frame, main axle assemble, half axle assemble and leg assembly;
Main axle assemble comprises main vehicle bridge, main wheel and main bridge steering cylinder; Main vehicle bridge before and after main vehicle bridge is divided into, the main vehicle bridge symmetry in front and back is fixed on bottom of frame; Main vehicle bridge two ends are connected with main wheel by swinging mounting, and each main wheel passes through HM Hydraulic Motor individual drive separately; Main bridge steering cylinder cylinder ends and main axle center chain connection, main bridge steering cylinder mouth end and each self-corresponding swinging mounting chain connection;
Half axle assemble comprises half-bridge, half-bridge wheel, half-bridge steering cylinder, swing arm, telescopic boom and swing arm oil cylinder; The half-bridge outer end is connected with the half-bridge wheel by swinging mounting, and each half-bridge wheel passes through HM Hydraulic Motor individual drive separately; Separate between each half-bridge; Half-bridge steering cylinder cylinder ends and half-bridge middle part chain connection, half-bridge steering cylinder mouth end and each self-corresponding swinging mounting chain connection; The coaxial socket swing arm of telescopic boom, swing arm outer end and vehicle frame chain connection, captive joint with half-bridge in the telescopic boom outer end; Swing arm cylinder block end and vehicle frame chain connection, swing arm oil cylinder mouth end and front frame end and after poppet end chain connection, the front frame other end and swing arm middle part chain connection, the after poppet other end and vehicle frame chain connection, and the swing arm oil cylinder is between front frame and the after poppet;
Leg assembly comprises supporting rack and supporting leg, and supporting rack is fixed on the vehicle frame, and the supporting leg symmetry is installed on the supporting rack; Each supporting leg comprises horizontal leg rod, vertical support oil cylinder and leg; Laterally leg rod is installed on the supporting rack, and is parallel to main vehicle bridge, and can be in supporting rack transversal stretching; Vertically support oil cylinder is perpendicular to horizontal leg rod, and is connected by vertical outrigger rotating shaft with horizontal leg rod, and vertically outrigger rotating shaft is by oscillating oil cylinder driving rotation; Vertically captive joint with leg in support oil cylinder take-off lever outer end.
2. described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis according to claim 1, it is characterized in that: between swing arm and the telescopic boom telescopic boom cylinder is installed, telescopic boom cylinder provides the power of telescopic boom fore and aft motion in swing arm, and the telescopic boom cylinder mouth can pass through the controlled locking of bearing pin.
3. described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis according to claim 2, and it is characterized in that: adjust swing arm oil cylinder extension elongation, the half-bridge wheel is upwards packed up, whole chassis is in the wheel undercarriage walking states by main wheel supporting.
4. described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis according to claim 2, it is characterized in that: adjust swing arm oil cylinder extension elongation, make simultaneously ground connection of half-bridge wheel and main wheel, cover has crawler belt between main wheel and the half-bridge wheel, is in the crawler travel state.
5. described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis according to claim 4, it is characterized in that: telescopic boom is flexible in swing arm under telescopic boom cylinder promotes, and adjusts the tensioning degree of crawler belt; Described crawler belt is the binodal crawler belt.
6. described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis according to claim 2, and it is characterized in that: adjust swing arm oil cylinder extension elongation, make main wheel liftoff, whole chassis is in the wheel leg type walking states by the half-bridge wheel supporting.
7. described a kind of swing arm type binodal wheel is carried out the compounded special engineering vehicle chassis according to claim 2, it is characterized in that: oscillating oil cylinder drives vertical outrigger rotating shaft and rotates, drive vertical support oil cylinder and put vertical direction, vertically the support oil cylinder bar stretches out, to main wheel and the equal built on stilts of half-bridge wheel, whole chassis is supported by leg, is in supporting leg support works state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350613 CN202743352U (en) | 2012-07-19 | 2012-07-19 | Swing-arm type dual-wheel-track composite special construction vehicle chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350613 CN202743352U (en) | 2012-07-19 | 2012-07-19 | Swing-arm type dual-wheel-track composite special construction vehicle chassis |
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| Publication Number | Publication Date |
|---|---|
| CN202743352U true CN202743352U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220350613 Withdrawn - After Issue CN202743352U (en) | 2012-07-19 | 2012-07-19 | Swing-arm type dual-wheel-track composite special construction vehicle chassis |
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| CN (1) | CN202743352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745259A (en) * | 2012-07-19 | 2012-10-24 | 西北工业大学 | Swing arm type double-wheel-track composite special engineering vehicle chassis |
-
2012
- 2012-07-19 CN CN 201220350613 patent/CN202743352U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745259A (en) * | 2012-07-19 | 2012-10-24 | 西北工业大学 | Swing arm type double-wheel-track composite special engineering vehicle chassis |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20140402 |
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| RGAV | Abandon patent right to avoid regrant |