CN204570784U - A kind of dual-purpose type excavator - Google Patents
A kind of dual-purpose type excavator Download PDFInfo
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- CN204570784U CN204570784U CN201520272558.5U CN201520272558U CN204570784U CN 204570784 U CN204570784 U CN 204570784U CN 201520272558 U CN201520272558 U CN 201520272558U CN 204570784 U CN204570784 U CN 204570784U
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Abstract
The utility model discloses a kind of dual-purpose type excavator, comprise chassis, bearing post, support platform, bearing, rotation platform, power set, driver's cabin, digging arm, excavation hopper and crawler type walking mechanism; Wheel assembly is fixed with respectively in the front side on chassis and rear side; Wheel assembly comprises wheel seat, cover plate, support, wheel shaft, wheel and oil cylinder; Wheel seat has from up to down through cavity; Cover plate is fixed on the upper end of wheel seat; Support is fixed on wheel shaft; Described wheel is respectively equipped with at the two ends of wheel shaft; Between cover plate and support, be provided with described oil cylinder, wherein the cylinder body of oil cylinder is on the cover board hinged, and the piston rod of oil cylinder is hinged on support; Support and oil cylinder are arranged in cavity.Structure of the present utility model can realize the switching of crawler type and running on wheels easily and efficiently, and can play the effect of protection wheel assembly.
Description
Technical field
The utility model relates to excavator.
Background technology
Excavator excavates higher or lower than the material holding machine side with excavation hopper, and load haulage vehicle or unload the earth moving plant to rickyard.Material mainly soil, coal, silt and the Soil and Rock after pre-pine that excavator excavates.From the development of engineering machinery in recent years, the development of excavator is relatively very fast, and excavator has become one of topmost engineering machinery in engineering construction.
Traditional excavator mainly comprises crawler-mounted excavator and wheel excavator.Crawler-mounted excavator is adapted at the complex road surfaces such as work pavement roughness, mud pit travel, simultaneously, crawler-mounted excavator has that driving force is large, grounding pressure is little, cross-country ability and good stability, climbing capacity is large and turning radius is little, flexibility is good, therefore, for excavator, crawler-mounted excavator uses more extensive, but, when it travels on the finishing operations such as tarmac road or cement road road surface, the damage of its road pavement is very large, on this road surface, then need exclusive trail car to consign, and wheel excavator does not just need.
For this reason, there is dual-purpose type excavator now, being disclose a kind of Track-wheel type excavator in the patent document of 2013.1.16 as be 201210402987.0 applyings date at application number being 2012.1019 publication date, comprising the walking mechanism of fuselage, digging arm, excavation hopper and band oil cylinder telescopic arm; Described walking mechanism comprises chassis, crawler belt, lifting fore carriage and lifting rear wheel frame; The present invention selects oil cylinder telescopic arm to make crawler-type traveling of the present invention and running on wheels can realize hydraulic oil manipulation, and manoeuvrable is changeable, adapts to various road conditions and substitutes, substitute speed high.Described Track-wheel type excavator can change the walking manner of crawler-mounted excavator according to road conditions, adapt to various path, greatly save the expense of trailer.Change flexibly between crawler-type traveling and running on wheels although this technical scheme is convenient, but, no matter adopt which kind of walking manner, lifting fore carriage and lifting rear wheel frame are the below being in chassis all the time, like this, when adopting crawler-type traveling mode, if excavator is walked or is operated in mud pit or irregular environment, be easy to occur bottom surface and lifting fore carriage and the phenomenon being elevated rear wheel frame overhead, therefore, be not easy to excavator walking and work on the one hand, easily damage lifting fore carriage and lifting rear wheel frame on the other hand.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of dual-purpose type excavator.
The technical scheme solved the problems of the technologies described above is: a kind of dual-purpose type excavator, comprises chassis, bearing post, support platform, bearing, rotation platform, power set, driver's cabin, digging arm, excavation hopper and crawler type walking mechanism; Bearing post is fixed on chassis, support platform is fixed on bearing post, the outer ring of bearing is fixed on support platform, rotation platform is fixed on the inner ring of bearing, power set are arranged on rotation platform, and driver's cabin is arranged on rotation platform, and one end of digging arm is fixed on rotation platform, the hinged described excavation hopper of the other end of digging arm, crawler type walking mechanism is fixed on chassis; Wheel assembly is fixed with respectively in the front side on chassis and rear side; Described wheel assembly comprises wheel seat, cover plate, support, wheel shaft, wheel and oil cylinder; Wheel seat has from up to down through cavity; Cover plate is fixed on the upper end of wheel seat; Support is fixed on wheel shaft; Described wheel is respectively equipped with at the two ends of wheel shaft; Between cover plate and support, be provided with described oil cylinder, wherein the cylinder body of oil cylinder is on the cover board hinged, and the piston rod of oil cylinder is hinged on support; Support and oil cylinder are arranged in cavity.
Said structure; when adopting the walking of crawler type mechanism; oil cylinder is utilized to accommodate in cavity by support, wheel shaft and wheel; because wheel seat can be concordant with chassis or higher than chassis soffit; like this; as long as support, wheel shaft and wheel are accommodated in cavity; no matter what environment excavator is operated in; ground all can not with collecting to the support in cavity, wheel shaft and wheel contact-impact; therefore; walking and the work of excavator when adopting crawler-type traveling state can not be affected on the one hand, the effect of protective cradle, wheel shaft and wheel can be played on the other hand.When adopting running on wheels mode, utilize oil cylinder to be pushed up by wheel downwards, and allow wheel partly or entirely spill wheel seat, allow wheel lower than creeper undercarriage simultaneously, like this, just can realize running on wheels mode easily and efficiently.
Further, described cavity comprises the first cavity from wheel seat top to middle part and from through the second cavity of the first cavity downwards, second cavity is less than the first cavity, and between the first cavity and the second cavity, be formed with first step, first step is provided with storage tank; Described support comprises lower carriage and upper bracket, and the lower end of lower carriage is fixed on wheel shaft, and upper bracket is fixed on lower carriage, and having in the end of upper bracket can along for accommodation into the support in storage tank; Described oil cylinder is provided with between cover plate and support.This structure, as adopted running on wheels mode, support is contained in storage tank, the sidewall of storage tank is utilized to carry out support horizontal and vertical spacing, utilize oil cylinder to carry out support vertical spacing, like this, excavator in the process of walking, the walking stability of wheel and good reliability, make the walking stability of excavator good.
Further, have outward extending second step in the upper end of the first cavity, cover plate is arranged on second step.This structure is convenient to locate securing cover plate.
Further, wheel shaft is provided with the first hydraulic motor driving rotation of wheel, adopts hydraulic motor as dynamical element, the power of wheel walking can be improved, and be convenient to the stepless time adjustment realizing wheel.
Further, described crawler type walking mechanism comprises walker, be located at the driving wheel at walker two ends, be located at directive wheel on walker and crawler belt.
Further, walker is provided with the second hydraulic motor driving driving wheel.Adopt hydraulic motor as dynamical element, track-type power can be improved, and be convenient to the stepless time adjustment realizing crawler belt.
Accompanying drawing explanation
Fig. 1 is the stereogram of dual-purpose type excavator.
Fig. 2 is the exploded view of dual-purpose type excavator.
Fig. 3 is the sectional view of dual-purpose type excavator.
Fig. 4 is the stereogram of wheel assembly.
Fig. 5 is the top view of wheel assembly.
Fig. 6 is the exploded view of wheel assembly.
Fig. 7 is A-A sectional view in Fig. 5.
Fig. 8 is wheel shaft, schematic diagram in cavity accommodated by wheel.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.
As shown in Figure 1 to Figure 3, dual-purpose type excavator comprises chassis 1, bearing post 2, support platform 3, bearing 4, rotation platform 5, power set 6, driver's cabin 7, digging arm 8, excavates hopper 9, crawler type walking mechanism 10 and wheel assembly 20.
The lower end of bearing post 2 is fixed on chassis 1; Support platform 3 is fixed on the upper end of bearing post 2; Bearing 4 comprises outer ring 41 and inner ring 42, and outer ring 41 is enclosed within outside inner ring 42, and inner ring 42 is higher than outer ring 41, and outer ring 41 is bolted on support platform 3, and inner ring 42 is bolted on rotation platform 5; Power set 6 are diesel engine, and power set 6 are fixed on rotation platform 5, and the output shaft of diesel engine is connected with hydraulic pump, and hydraulic pump is connected on the first hydraulic motor and the second hydraulic motor by hydraulic system; Driver's cabin 7 is fixed on rotation platform 5; Described digging arm 8 comprises one-level arm 81 and secondary arm 82, and one end of one-level arm 81 is fixed on rotation platform 5, and one end of secondary arm 82 is hinged on the other end of one-level arm 81, excavates hopper 9 and is hinged on the other end of secondary arm 82.
As shown in Figure 1 to Figure 3, described crawler type walking mechanism 10 comprises walker 101, be located at the driving wheel 102 at walker 101 two ends, be located at directive wheel 103 on walker 101 and crawler belt 104, crawler belt 104 is enclosed between two driving wheels 102, and is led by directive wheel 103; Walker 101 is provided with the second hydraulic motor, and the second fluid motor-driven driving wheel rotates, thus drives crawler belt 104 to move, and like this, can not only improve driving force, and can realize the stepless time adjustment of caterpillar drive.
As shown in Figures 2 to 7, wheel assembly 11 is fixed with respectively in the both sides, front and back on chassis 1.Described wheel assembly 11 comprises wheel seat 111, cover plate 112, support 113, wheel shaft 114, wheel 115 and oil cylinder 116.
As shown in Figure 6 and Figure 7, wheel seat 111 has from up to down through cavity, described cavity comprises the first cavity 1111 from wheel seat top to middle part and from through the second cavity 1112 of the first cavity 1111 downwards, second cavity 1112 is less than the first cavity 1111, between the first cavity 1111 and the second cavity 1112, be formed with first step 1113, first step 1113 is provided with storage tank 1114.In the upper end of the first cavity 1111, there is outward extending second step 1115.
Cover plate 112 is arranged on second step 1115, and cover plate 112 and wheel seat 111, by being welded to connect, also connect by bolt.
Support 113 comprises lower carriage 1131 and upper bracket 1132, and the lower end of lower carriage 1131 is fixed on wheel shaft 114, and upper bracket 1132 is fixed on lower carriage 1131, and having in the end of upper bracket 1132 can along for accommodation into the support 11321 in storage tank 1114.
Be separately installed with wheel 115 at the two ends of wheel shaft 114, wheel shaft 114 is provided with the first hydraulic motor, the first fluid motor-driven wheel 115 rotates, and like this, not only can improve the driving force of wheel 115, and conveniently realize stepless time adjustment.
Between each support and cover plate 112, be provided with described oil cylinder 116, the cylinder body of oil cylinder 116 is hinged on cover plate 112, and the piston rod of oil cylinder 116 is hinged on support.
In the utility model, oil cylinder 116, support 113 are positioned at cavity all the time.
As shown in Figure 8, for adopting the schematic diagram of crawler-type traveling mode, this kind of state, oil cylinder 116, support 113, wheel shaft 114 and wheel 115 all collecting, in cavity, make the soffit of crawler belt 104 lower than wheel 115.As crawler-type traveling mode is converted to running on wheels mode by needs, its process is: control oil cylinder 116, the piston rod of oil cylinder 116 is allowed to drive support 113 to move downward, now, wheel shaft 114, wheel 115 are followed support 113 and are moved downward by the second cavity, when support 113 moves to support 11321 along for accommodation into after in storage tank 1114, the piston rod of oil cylinder stops moving downward, now, wheel 115 is lower than crawler belt 104, then motor car wheel 115 can be with to rotate by the first hydraulic motor, realize running on wheels pattern.As running on wheels mode is converted to crawler-type traveling pattern by needs, then drive support 113, wheel shaft 114 and wheel 115 to enter in cavity by oil cylinder 116, allow crawler belt 104 lower than wheel 115.Like this, two kinds of different walking manners can just be changed easily and efficiently, to be suitable for different occasions.In addition; when adopting crawler-type traveling mode; oil cylinder 116, support 113, wheel shaft 114 and wheel 115 are all accommodated in cavity; therefore; walking and the work of excavator when adopting crawler-type traveling state can not be affected on the one hand; the effect of protective cradle 113, wheel shaft 114 and wheel 115 can be played on the other hand, meanwhile, be not easy to pollute support 113, wheel shaft 114, wheel 115 and oil cylinder 116.Have again, as adopted running on wheels mode, support 11321 is contained in storage tank 1114, the sidewall of storage tank 1114 is utilized to carry out horizontal and vertical spacing to support 113, utilize oil cylinder 116 pairs of supports 113 to carry out vertical spacing, like this, excavator in the process of walking, the walking stability of wheel and good reliability, make the walking stability of excavator good.
Claims (6)
1. a dual-purpose type excavator, comprises chassis, bearing post, support platform, bearing, rotation platform, power set, driver's cabin, digging arm, excavation hopper and crawler type walking mechanism; Bearing post is fixed on chassis, support platform is fixed on bearing post, the outer ring of bearing is fixed on support platform, rotation platform is fixed on the inner ring of bearing, power set are arranged on rotation platform, and driver's cabin is arranged on rotation platform, and one end of digging arm is fixed on rotation platform, the hinged described excavation hopper of the other end of digging arm, crawler type walking mechanism is fixed on chassis; It is characterized in that: be fixed with wheel assembly respectively in the front side on chassis and rear side; Described wheel assembly comprises wheel seat, cover plate, support, wheel shaft, wheel and oil cylinder; Wheel seat has from up to down through cavity; Cover plate is fixed on the upper end of wheel seat; Support is fixed on wheel shaft; Described wheel is respectively equipped with at the two ends of wheel shaft; Between cover plate and support, be provided with described oil cylinder, wherein the cylinder body of oil cylinder is on the cover board hinged, and the piston rod of oil cylinder is hinged on support; Support and oil cylinder are arranged in cavity.
2. dual-purpose type excavator according to claim 1, it is characterized in that: described cavity comprises the first cavity from wheel seat top to middle part and from through the second cavity of the first cavity downwards, second cavity is less than the first cavity, between the first cavity and the second cavity, be formed with first step, first step is provided with storage tank; Described support comprises lower carriage and upper bracket, and the lower end of lower carriage is fixed on wheel shaft, and upper bracket is fixed on lower carriage, and having in the end of upper bracket can along for accommodation into the support in storage tank; Described oil cylinder is provided with between cover plate and support.
3. dual-purpose type excavator according to claim 2, is characterized in that: have outward extending second step in the upper end of the first cavity, cover plate is arranged on second step.
4. dual-purpose type excavator according to claim 1, is characterized in that: on wheel shaft, be provided with the first hydraulic motor driving rotation of wheel.
5. dual-purpose type excavator according to claim 1, is characterized in that: described crawler type walking mechanism comprises walker, be located at the driving wheel at walker two ends, be located at directive wheel on walker and crawler belt.
6. dual-purpose type excavator according to claim 5, is characterized in that: on walker, be provided with the second hydraulic motor driving driving wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272558.5U CN204570784U (en) | 2015-04-30 | 2015-04-30 | A kind of dual-purpose type excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272558.5U CN204570784U (en) | 2015-04-30 | 2015-04-30 | A kind of dual-purpose type excavator |
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| CN204570784U true CN204570784U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520272558.5U Expired - Fee Related CN204570784U (en) | 2015-04-30 | 2015-04-30 | A kind of dual-purpose type excavator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337466A (en) * | 2016-10-27 | 2017-01-18 | 安徽柳工起重机有限公司 | Auxiliary traction apparatus of caterpillar type excavator |
| CN107738610A (en) * | 2017-09-15 | 2018-02-27 | 安徽合矿环境科技股份有限公司 | A kind of chassis of dredging machine with night vision hard light device |
| CN109440853A (en) * | 2018-10-18 | 2019-03-08 | 南安如盈商贸有限公司 | A kind of construction machinery that the articulated walking shaving based on laterite muddy road surface promotes |
| CN115898078A (en) * | 2023-01-09 | 2023-04-04 | 中建八局第二建设有限公司 | Be used for reforming transform building wall to demolish and use miniexcavator |
-
2015
- 2015-04-30 CN CN201520272558.5U patent/CN204570784U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337466A (en) * | 2016-10-27 | 2017-01-18 | 安徽柳工起重机有限公司 | Auxiliary traction apparatus of caterpillar type excavator |
| CN107738610A (en) * | 2017-09-15 | 2018-02-27 | 安徽合矿环境科技股份有限公司 | A kind of chassis of dredging machine with night vision hard light device |
| CN109440853A (en) * | 2018-10-18 | 2019-03-08 | 南安如盈商贸有限公司 | A kind of construction machinery that the articulated walking shaving based on laterite muddy road surface promotes |
| CN115898078A (en) * | 2023-01-09 | 2023-04-04 | 中建八局第二建设有限公司 | Be used for reforming transform building wall to demolish and use miniexcavator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20170430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |