CN103216500A - Gravitational potential energy recycling device of elastic-rubber-belt-type excavator bucket rod - Google Patents
Gravitational potential energy recycling device of elastic-rubber-belt-type excavator bucket rod Download PDFInfo
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- CN103216500A CN103216500A CN2013101647989A CN201310164798A CN103216500A CN 103216500 A CN103216500 A CN 103216500A CN 2013101647989 A CN2013101647989 A CN 2013101647989A CN 201310164798 A CN201310164798 A CN 201310164798A CN 103216500 A CN103216500 A CN 103216500A
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Abstract
The invention discloses a gravitational potential energy recycling device of an elastic-rubber-belt-type excavator bucket rod, aiming to provide a gravitational potential energy recycling device of an elastic-rubber-belt-type excavator bucket rod, which is high in energy conversion efficiency, great in energy density, light in weight and simple in structure. The gravitational potential energy recycling device of the elastic-rubber-belt-type excavator bucket rod comprises a movable arm, a bucket rod and an elastic rubber belt energy storage oil cylinder, wherein the elastic rubber belt energy storage oil cylinder comprises a cylinder barrel, a piston rod, a first boss, a first connecting disc, a second boss, a second connecting disc and a plurality of elastic rubber belts. According to the invention, the gravitational potential energy of the bucket rod can be recovered in the descending process of the bucket rod when an excavator excavates, and is converted into the elastic potential energy of the elastic rubber belts; in the lifting process of the bucket rod, the elastic potential energy of the elastic rubber belts is converted into the gravitational potential energy of the bucket rod, thereby recycling the gravitational potential energy of the bucket rod of the excavator and achieving the aim of energy conservation and emission reduction.
Description
Technical field
The present invention relates to a kind of gravitational potential energy reclaiming device, more precisely is a kind of elastic caoutchouc belt excavator boom gravitational potential energy reclaiming device.
Background technique
When big-and-middle-sized hydraulic shovel excavates, the lifting of dipper and down maneuver are all carried out through hydraulicdirectional control valve control bucket arm cylinder by Engine driven Hydraulic Pump, because the deadweight of dipper is bigger, not only the gravitational potential energy with dipper wastes, and can strengthen the working load of motor, increase oil consumption, be unfavorable for the energy-saving and emission-reduction of excavator.
Existing excavator boom gravitational potential energy reclaiming device adopts the hydraulic pressure way of recycling more, shortcomings such as there is complex structure in it, energy transformation ratio is low, dynamic response is slow, weight is big, cost height.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, a kind of energy transformation ratio height, energy density elastic caoutchouc belt excavator boom gravitational potential energy reclaiming device big, in light weight, simple in structure are provided.
For solving the problems of the technologies described above, elastic caoutchouc belt excavator boom gravitational potential energy reclaiming device of the present invention, it comprises: swing arm, dipper is characterized in that: it also comprises elastic rubber band accumulation of energy oil cylinder.
Wherein, the cylinder barrel hanger and the swing arm of described elastic rubber band accumulation of energy oil cylinder are hinged, and the piston rod hanger of elastic rubber band accumulation of energy oil cylinder and the upper end portion of dipper are hinged; The medium position of the cylinder barrel of described elastic rubber band accumulation of energy oil cylinder is along circumferentially being provided with first boss outward, and described piston rod circumferentially is provided with second boss outside the end position edge near its piston rod hanger; The first annulus end face in close cylinder barrel hanger one side of first boss is fixedly connected with first land, periphery at first land is arranged with a plurality of through holes along its axial direction, can symmetry be installed by many elastic rubber bands by these a plurality of through holes, one end of every elastic rubber band passes an end face of this through hole and first land and fixes by metal clip, the other end of every elastic rubber band passes the second land periphery and fixes by metal clip along the symmetrically arranged through hole of axial direction and with an end face of second land, and second land is fixedlyed connected near the second annulus end face of piston rod hanger with second boss.
Described piston rod is provided with oil duct, first hydraulic fluid port, second hydraulic fluid port, first hydraulic fluid port and second hydraulic fluid port are communicated with by oil duct, first hydraulic fluid port is positioned at an end of the piston rod of rod chamber one side and close piston, and second hydraulic fluid port is positioned at the other end near the piston rod of piston rod hanger.
The maximum tension amount of described elastic rubber band is greater than the amount of tension of dipper piston rod when the extreme higher position drops to extreme lower position.
In dipper decline and lifting process, the hydraulic oil of the rod chamber of cylinder barrel is communicated with the external control oil circuit by first hydraulic fluid port, oil duct, second hydraulic fluid port of piston rod, and the hydraulic oil of the rodless cavity of cylinder barrel is communicated with the external control oil circuit by corresponding hydraulic fluid port.
Excavator is carrying out digging operation, needs to handle dipper and constantly descends and lifting.In dipper decline process, dipper reduces together with the center of gravity of scraper bowl, under the action of gravity of dipper and scraper bowl, the piston rod hanger pulling piston rod that is hinged on the dipper extends from cylinder barrel, spur second land through second boss, second land stretches an end of elastic rubber band, because the other end of elastic rubber band is fixed on first land, first land is fixed on first boss and maintains static; Therefore, elastic rubber band is elongated, and the elastic potential energy that the gravitational potential energy of dipper and scraper bowl is converted to elastic rubber band stores.
In dipper lifting process, elastic rubber band shrinks under the elastic force effect, the end that elastic rubber band is connected second land spurs second land, second land shrinks in cylinder barrel by second boss pulling piston rod, and the piston rod hanger pulling dipper by being hinged on dipper upper end is with the scraper bowl lifting, the center of gravity of dipper and scraper bowl is raise, with the gravitational potential energy that the elastic potential energy that is stored in elastic rubber band is converted to dipper and scraper bowl that reclaims in the dipper decline process, realized its gravitational potential energy regeneration, thereby reduced motor to the input of the power in the excavator boom lifting process, reduced engine fuel consumption.
The present invention compared with prior art, its advantage is:
The accumulation of energy parts of elastic caoutchouc belt excavator boom gravitational potential energy reclaiming device of the present invention have adopted many elastic rubber bands, directly the gravitational potential energy of dipper is converted into the elastic potential energy of elastic rubber band, simple in structure, energy transformation ratio is high, dynamic response is fast, in light weight, cost is low.
Description of drawings
Fig. 1 is an embodiment of the invention elastic caoutchouc belt excavator boom gravitational potential energy reclaiming apparatus structure schematic representation.
Fig. 2 is an embodiment of the invention elastic rubber band accumulation of energy oil cylinder axial section structural representation.
Fig. 3 is along the radial section structural representation of I-I line among embodiment of the invention Fig. 2.
Among the figure: 1. the swing arm 2. dippers 3. elastic rubber band accumulation of energy oil cylinders 31. cylinder barrel hangers 32. cylinder barrel 32a. first boss 32b. first annulus end face 33. first lands 34. elastic rubber bands 35. piston rod 35a. second boss 35b. second annulus end face 35c. oil duct 35d. first hydraulic fluid port 35e. second hydraulic fluid port 36. second lands 37. piston rod hangers
Embodiment
Describe the present invention below in conjunction with drawings and Examples.
Shown in Fig. 1 ~ 3, the excavator boom gravitational potential energy reclaimer of the embodiment of the invention, it comprises: swing arm 1, dipper 2 is characterized in that: it also comprises elastic rubber band accumulation of energy oil cylinder 3.
Wherein, the cylinder barrel hanger 31 of described elastic rubber band accumulation of energy oil cylinder 3 is hinged with swing arm 1, and the piston rod hanger 37 of elastic rubber band accumulation of energy oil cylinder 3 is hinged with the upper end portion of dipper 2; The medium position of the cylinder barrel 32 of described elastic rubber band accumulation of energy oil cylinder 3 is along circumferentially being provided with the first boss 32a outward, and described piston rod 35 circumferentially is provided with the second boss 35a outside the end position edge near its piston rod hanger 37; The first annulus end face 32b at the close cylinder barrel hanger 31 of the first boss 32a is fixedly connected with first land 33, periphery at first land 33 is arranged with 24 through holes along its axial direction, can symmetry be installed by 24 elastic rubber bands 34, one end of every elastic rubber band 34 passes an end face of this through hole and first land 33 and fixes by metal clip, the other end of every elastic rubber band 34 passes second land, 36 peripheries and fixes by metal clip along the symmetrically arranged through hole of axial direction and with an end face of second land 36, and second land 36 is fixedlyed connected near the second annulus end face 35b of piston rod hanger 37 with the second boss 35a.
Described piston rod 35 is provided with oil duct 35c, the first hydraulic fluid port 35d, the second hydraulic fluid port 35e, the first hydraulic fluid port 35d and the second hydraulic fluid port 35e are communicated with by oil duct 35c, the first hydraulic fluid port 35d is positioned at an end of the piston rod 35 of rod chamber one side and close piston, and the second hydraulic fluid port 35e is positioned at the other end near the piston rod 35 of piston rod hanger 37.
The maximum tension amount of described elastic rubber band 34 greater than dipper 2 when the extreme higher position drops to extreme lower position piston rod 35 amount of tension 10%～20%.
Elastic caoutchouc belt excavator boom gravitational potential energy reclaiming device working principle: excavator is carrying out digging operation, needs to handle dipper 2 and constantly descends and lifting.In dipper 2 decline processes, dipper 2 reduces together with the center of gravity of scraper bowl, under the action of gravity of dipper 2 and scraper bowl, the piston rod hanger 37 pulling piston rods 35 that are hinged on the dipper 2 extend from cylinder barrel 32, spur second land 36 through the second boss 35a, second land 36 stretches an end of elastic rubber band 34, because the other end of elastic rubber band 34 is fixed on first land 33, first land 33 is fixed on the first boss 32a and maintains static; Therefore, elastic rubber band 34 is elongated, and the elastic potential energy that the gravitational potential energy of dipper 2 and scraper bowl is converted to elastic rubber band 34 stores.
In dipper 2 lifting processes, elastic rubber band 34 shrinks under the elastic force effect, the end that elastic rubber band 34 is connected second land 36 spurs second land 36, second land 36 shrinks in cylinder barrel 32 by second boss 35a pulling piston rod 35, and by being hinged on piston rod hanger 37 pulling dippers 2 on the dipper 2 with the scraper bowl lifting, the dipper 2 and the center of gravity of scraper bowl are raise, the elastic potential energy that is stored in elastic rubber band 34 that reclaims in the dipper 2 decline processes is converted to the gravitational potential energy of dipper 2 and scraper bowl, realized its gravitational potential energy regeneration, thereby reduced motor to the input of the power in the excavator boom 2 lifting processes, reduced engine fuel consumption.
In dipper 2 declines and lifting process, the hydraulic oil of the rod chamber of cylinder barrel 32 is communicated with the external control oil circuit by the first hydraulic fluid port 35d, oil duct 35c, the second hydraulic fluid port 35e of piston rod 35, and the hydraulic oil of the rodless cavity of cylinder barrel 32 is communicated with the external control oil circuit by corresponding hydraulic fluid port.
In conjunction with the accompanying drawings embodiments of the present invention have been done detailed description above, but the present invention is not limited to above-mentioned mode of execution, in the ken that affiliated technical field those of ordinary skill is possessed, can also under the prerequisite that does not break away from aim of the present invention, make various variations.
Claims (2)
1. elastic caoutchouc belt excavator boom gravitational potential energy reclaiming device, it comprises: swing arm (1), dipper (2) is characterized in that:
It also comprises elastic rubber band accumulation of energy oil cylinder (3);
The cylinder barrel hanger (31) of described elastic rubber band accumulation of energy oil cylinder (3) is hinged with swing arm (1), and the piston rod hanger (37) of described elastic rubber band accumulation of energy oil cylinder (3) is hinged with the upper end portion of dipper (2);
The medium position of the cylinder barrel (32) of described elastic rubber band accumulation of energy oil cylinder (3) is along circumferentially being provided with first boss (32a) outward, and described piston rod (35) circumferentially is provided with second boss (35a) outside the end position edge near its piston rod hanger (37); The first annulus end face (32b) in close cylinder barrel hanger (31) one sides of first boss (32a) is fixedly connected with first land (33), periphery at first land (33) is arranged with a plurality of through holes along its axial direction, can symmetry be installed by many elastic rubber bands (34) by these a plurality of through holes, one end of every elastic rubber band (34) passes an end face of this through hole and first land (33) and fixes, the other end of every elastic rubber band (34) passes second land (36) periphery and fixes along the symmetrically arranged through hole of axial direction and with an end face of second land (36), and second land (36) is fixedlyed connected near the second annulus end face (35b) of piston rod hanger (37) with second boss (35a);
Described piston rod (35) is provided with oil duct (35c), first hydraulic fluid port (35d), second hydraulic fluid port (35e), first hydraulic fluid port (35d) and second hydraulic fluid port (35e) are communicated with by oil duct (35c), first hydraulic fluid port (35d) is positioned at an end of the piston rod (35) of rod chamber one side and close piston, and second hydraulic fluid port (35e) is positioned at the other end near the piston rod (35) of piston rod hanger (37).
2. elastic caoutchouc belt excavator boom gravitational potential energy reclaiming device according to claim 1 is characterized in that: the maximum tension amount of described elastic rubber band (34) is greater than the amount of tension of dipper (2) piston rod (35) when the extreme higher position drops to extreme lower position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310164798.9A CN103216500B (en) | 2013-05-07 | 2013-05-07 | Gravitational potential energy recycling device of elastic-rubber-belt-type excavator bucket rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310164798.9A CN103216500B (en) | 2013-05-07 | 2013-05-07 | Gravitational potential energy recycling device of elastic-rubber-belt-type excavator bucket rod |
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| Publication Number | Publication Date |
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| CN103216500A true CN103216500A (en) | 2013-07-24 |
| CN103216500B CN103216500B (en) | 2015-05-27 |
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| CN201310164798.9A Expired - Fee Related CN103216500B (en) | 2013-05-07 | 2013-05-07 | Gravitational potential energy recycling device of elastic-rubber-belt-type excavator bucket rod |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH094609A (en) * | 1995-06-22 | 1997-01-07 | Amada Co Ltd | Hydraulic device |
| US20060090462A1 (en) * | 2003-11-14 | 2006-05-04 | Kazunori Yoshino | Energy regeneration system for working machinery |
| JP2009250361A (en) * | 2008-04-07 | 2009-10-29 | Sumitomo (Shi) Construction Machinery Co Ltd | Circuit for regenerating hydraulic cylinder operating pressure |
| CN202543995U (en) * | 2012-04-27 | 2012-11-21 | 泉州市洛江区交通汽车修配厂 | Booster spring auxiliary system for excavator or loader |
| CN102822423A (en) * | 2010-04-20 | 2012-12-12 | 住友重机械工业株式会社 | Construction machine |
| CN203257800U (en) * | 2013-05-07 | 2013-10-30 | 山东理工大学 | Elastic rubber belt type excavator bucket rod gravitational potential energy recovery regeneration device |
-
2013
- 2013-05-07 CN CN201310164798.9A patent/CN103216500B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH094609A (en) * | 1995-06-22 | 1997-01-07 | Amada Co Ltd | Hydraulic device |
| US20060090462A1 (en) * | 2003-11-14 | 2006-05-04 | Kazunori Yoshino | Energy regeneration system for working machinery |
| JP2009250361A (en) * | 2008-04-07 | 2009-10-29 | Sumitomo (Shi) Construction Machinery Co Ltd | Circuit for regenerating hydraulic cylinder operating pressure |
| CN102822423A (en) * | 2010-04-20 | 2012-12-12 | 住友重机械工业株式会社 | Construction machine |
| CN202543995U (en) * | 2012-04-27 | 2012-11-21 | 泉州市洛江区交通汽车修配厂 | Booster spring auxiliary system for excavator or loader |
| CN203257800U (en) * | 2013-05-07 | 2013-10-30 | 山东理工大学 | Elastic rubber belt type excavator bucket rod gravitational potential energy recovery regeneration device |
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| CN103216500B (en) | 2015-05-27 |
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Granted publication date: 20150527 Termination date: 20190507 |