CN203238684U - Elastic rubber belt energy accumulator type potential energy recycling device for movable arms of loader - Google Patents
Elastic rubber belt energy accumulator type potential energy recycling device for movable arms of loader Download PDFInfo
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- CN203238684U CN203238684U CN 201320241884 CN201320241884U CN203238684U CN 203238684 U CN203238684 U CN 203238684U CN 201320241884 CN201320241884 CN 201320241884 CN 201320241884 U CN201320241884 U CN 201320241884U CN 203238684 U CN203238684 U CN 203238684U
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- elastic rubber
- rubber band
- oil
- potential energy
- pull bar
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Abstract
The utility model discloses an elastic rubber belt energy accumulator type potential energy recycling device for movable arms of a loader. The elastic rubber belt energy accumulator type potential energy recycling device for the movable arms of the loader is high in energy conversion ratio, large in energy density, light in weight and simple in structure. The elastic rubber belt energy accumulator type potential energy recycling device for the movable arms of the loader comprises a front axle frame, the movable arms, steel wire ropes, fixed pulleys, an elastic rubber belt energy accumulator and a hydraulic magnetic exchange valve. The elastic rubber belt energy accumulator type potential energy recycling device for the movable arms of the loader can achieve the purposes that recycling is carried out on gravitational potential energy of a working device in the descent process of the movable arms of the loader, the gravitational potential energy is converted into elastic potential energy to be stored in the elastic rubber belt energy accumulator, and the elastic potential energy stored by the elastic rubber belt energy accumulator is converted into the gravitational potential energy of the movable arms in the lifting process of the movable arms of the loader, thus, recycling and utilization of the potential energy of the movable arms of the loader can be achieved, and the purposes of energy saving and emission reduction can be achieved.
Description
Technical field
The utility model relates to a kind of loading arm potential energy reclaiming device, more precisely a kind of elastic rubber band energy storage type loading arm potential energy reclaiming device.
Background technology
In loader loading operation process, loading arm needs frequently lifting and decline, in the moved arm lifting process, Engine driven Hydraulic Pump is controlled boom cylinder through hydraulicdirectional control valve, swing arm is lifted to the discharging height together with scraper bowl and rocking arm, after the scraper bowl discharging, Engine driven Hydraulic Pump is controlled boom cylinder through hydraulicdirectional control valve, with swing arm, scraper bowl and rocking arm drop to work loading height together, in moved arm lifting and decline process, all need motor that power is provided, and swing arm gravitional force wastes, make loader exist oil consumption high, the large deficiency that waits of exhaust emission.
Existing loading arm potential energy recovery device adopts the way of recycling that hydraulic pressure reclaims or hydraulic-driven is generated electricity usually, and the oil back chamber that is about to boom cylinder connects a hydraulic motor, and hydraulic motor pumps into high-voltage oil liquid to hydraulic accumulator; Or hydraulic motor linked to each other with motor coaxle, when descending, swing arm makes electric power generation, reclaim the gravitional force that swing arm descends.There is complex structure in this movable arm potential energy way of recycling, energy transformation ratio is low, dynamic response is slow, weight is large, the high in cost of production shortcoming.
Summary of the invention
The purpose of this utility model is to overcome defects, and a kind of energy transformation ratio height, energy density elastic rubber band energy storage type loading arm potential energy reclaiming device large, lightweight, simple in structure are provided.
For solving the problems of the technologies described above, elastic rubber band energy storage type loading arm potential energy reclaiming device of the present utility model, comprise propons vehicle frame, swing arm, its feature also comprises fixed pulley, wire rope, elastic rubber band accumulator, hydraulic electromagnetic change valve, fuel tank.
Wherein, the elastic rubber band accumulator comprises: housing, mounting seat, rubber strip clip, sealing-plug, elastic rubber band, terminal pad, minute pull bar, cavity capping, unidirectional charge valve, tension board, pull bar, piston rod, piston, oil cylinder, oil cylinder capping.
The mounting seat of accumulator is fixedly mounted on the propons vehicle frame, and fixed pulley is fixedly mounted on the pulley bracket of propons vehicle frame, and wire rope one end is fixedly connected with an end of pull bar, and it is hinged that the other end is walked around the middle part of fixed pulley and swing arm.
The pull bar other end of accumulator is fixedly connected with an end face of tension board, the other end of tension board is fixedly connected with an end of piston rod, the central through hole that the other end of piston rod passes the oil cylinder capping is fixedly connected with piston, piston is packed in the oil cylinder, piston is divided into rod chamber and rodless cavity with the oil cylinder cavity, and the longitudinal axis of the longitudinal axis of the longitudinal axis of pull bar and the longitudinal axis of tension board, piston rod, the longitudinal axis of piston, oil cylinder is on the same straight line; Vertical central position of housing is provided with a cylindrical hole, and the bottom of cylindrical hole is provided with circumferential boss, by this circumferential boss oil cylinder is fixedly mounted on this cylindrical hole; Also be fixedly connected with an end of a plurality of minutes pull bars on the periphery of the other end of tension board, a plurality of minutes pull bars are arranged symmetrically with the longitudinal axis of tension board, each central through hole that divides the other end of pull bar to pass in the cavity capping is fixedly connected with an end face of terminal pad, each terminal pad places in the cavity of housing, be fixedly connected with many elastic rubber bands between another end face of each terminal pad and the housing base plate, one end of every elastic rubber band is fixed on the terminal pad, and the other end of every elastic rubber band is fixed on the housing base plate.
The bottom of oil cylinder is provided with the first oil-in, and the first oil-in is communicated to rodless cavity; The oil cylinder capping is provided with the second oil-in, and the second oil-in is communicated to rod chamber.
A control port of hydraulic electromagnetic change valve is connected to the first oil-in by fluid pressure line, and another control port of hydraulic electromagnetic change valve is connected to the second oil-in by fluid pressure line.
The housing of elastic rubber band accumulator and cavity capping form enclosed cavity, are filled with nitrogen by unidirectional charge valve to this enclosed cavity, and the pressure that is filled with nitrogen is 80～120kPa.
The length that wire rope spurred when the maximum tension amount of elastic rubber band accumulator dropped to extreme lower position greater than swing arm from the extreme higher position.
With fixed pulley, wire rope, the elastic rubber band accumulator is at each side layout one cover of propons vehicle frame, and two covering devices are installed so that the longitudinal axis of propons vehicle frame is symmetrical.
The operating principle of movable arm potential energy removal process is: in the loader operation process, the driver connects ignition switch, when the driver is pushed into the decline gear with the swing arm control stick, the decline gear on-off is closed, loading arm begins to descend, after ECU detects the closure signal of decline gear on-off, the electromagnetic coil energising of ECU control hydraulic electromagnetic change valve, hydraulic electromagnetic change valve energising action; Along with the decline of loading arm, the pull bar that is fixed on the wire rope pulling accumulator on the swing arm moves upward, and pull bar is by tension board pulling minute pull bar, and a minute pull bar stretches elastic rubber band through terminal pad again; Pull bar spurs piston rod by tension board simultaneously, piston rod pulling piston rises together, the hydraulic oil of rod chamber is discharged from the second oil-in, flow back to fuel tank through hydraulic electromagnetic change valve, rodless cavity forms vacuum owing to moving on the piston, hydraulic oil passes through the first oil-in through fuel tank and hydraulic electromagnetic change valve, is inhaled into rodless cavity; When stopping swing arm and descending then hydraulic electromagnetic change valve be repositioned to fastening position, the first oil-in of rodless cavity and the second oil-in of rod chamber are all turn-offed by hydraulic electromagnetic change valve at this moment, piston is fixed motionless, piston rod, tension board, pull bar, minute pull bar, terminal pad all keep maintaining static, elastic rubber band is maintained at extended state, and the elastic potential energy that the gravitional force that so just swing arm is fallen is converted to elastic rubber band stores.
The operating principle of movable arm potential energy regenerative process is: in the loader operation process, the driver connects ignition switch, when the driver is pushed into the lifting gear with the swing arm control stick, the lifting gear on-off is closed, loading arm begins lifting, after ECU detects the closure signal of lifting gear on-off, the electromagnetic coil energising of ECU control hydraulic electromagnetic change valve, hydraulic electromagnetic change valve energising action, elastic rubber band shrinks, through terminal pad pulling minute pull bar, minute pull bar moves downward through tension board pulling pull bar again, and pull bar rises by wire rope pulling swing arm; Simultaneously, tension board pulling piston rod moves downward and pushing piston moves down, the hydraulic oil of rodless cavity is discharged from the first oil-in, flow back to fuel tank through hydraulic electromagnetic change valve, rod chamber is owing to moving down of piston forms vacuum, hydraulic oil passes through the second oil-in through fuel tank and hydraulic electromagnetic change valve, is inhaled into rod chamber; The elastic potential of elastic rubber band is converted to the gravitional force of swing arm at this moment; When stopping swing arm and rising then hydraulic electromagnetic change valve be repositioned to fastening position, the first oil-in of rodless cavity and the second oil-in of rod chamber are all turn-offed by hydraulic electromagnetic change valve at this moment, piston is fixed motionless, piston rod, tension board, pull bar, minute pull bar, terminal pad all keep maintaining static, elastic rubber band is maintained at contraction state, and so just the elastic potential energy with elastic rubber band is converted to the gravitional force that swing arm rises.When moved arm lifting to the spacing height of lifting, the moved arm lifting limit switch is closed, the outage of ECU control electromagnetic coil, the elastic rubber band accumulator is in the energy reserving state.
When loader strikes off operation or does not work, the swing arm control stick places meta or floating position, ECU control this moment hydraulic electromagnetic change valve can keep de-energized, and the hydraulic oil of rod chamber and rodless cavity flows no longer mutually, and the elastic rubber band accumulator is in the energy reserving state.
The utility model compared with prior art, its advantage is:
(1) the accumulation of energy parts of elastic rubber band energy storage type loading arm potential energy reclaiming device of the present utility model have adopted a plurality of elastic rubber bands, directly the gravitional force of swing arm is converted into the elastic potential energy of elastic rubber band, simple in structure, energy transformation ratio is high, dynamic response is fast, lightweight, cost is low;
(2) the elastic rubber band accumulator in the utility model, integrated oil cylinder in the elastic rubber band accumulator, can realize storage control, release control and the retentive control of elastic rubber band accumulator elastic potential energy, simple in structure, dependable performance by hydraulic electromagnetic change valve.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment elastic rubber band energy storage type loading arm potential energy reclaiming device.
Fig. 2 is longitudinal profile structure and the oil cylinder oil circuit control schematic diagram of the utility model embodiment elastic rubber band accumulator.
Fig. 3 is the top view of the utility model embodiment Fig. 2.
In figure: 1. swing arm, 2. propons vehicle frame, 3. fixed pulley, 4. steel wire rope, 6. fuel tank, 100. elastic rubber band accumulator, 101. housing, 101a. mounting seat, 101b. housing base plate, 102. rubber strip clip, 103. sealing-plug, 104. elastic rubber band, 105. terminal pad, 106. minute pull bar, 107. cavity capping, 107a. unidirectional charge valve, 108. tension board, 109. pull bar, 109a. pull bar flange, 109b. pull bar suspension ring, 110. piston rod, 111. piston, 112. oil cylinder, 112a. the first oil-in, 113. oil cylinder capping, 113a. the second oil-in, 114. rod chamber, 115. rodless cavity, 500. ECU, 501. swing arm control stick lifting gear on-off, 502. swing arm control stick decline gear on-off, 503. moved arm lifting limit switch, 504. hydraulic electromagnetic change valve, 504a. solenoid, 505. swing arm control stick, 506. ignition switch
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
Shown in Fig. 1 ~ 3, elastic rubber band energy storage type loading arm potential energy reclaiming device of the present utility model comprises that propons vehicle frame 2, swing arm 1, its feature also comprise elastic rubber band accumulator 100, fixed pulley 3, wire rope 4, ECU 500, swing arm control stick lifting gear on-off 501, swing arm control stick decline gear on-off 502, moved arm lifting limit switch 503, hydraulic electromagnetic change valve 504, fuel tank 6.Wherein elastic rubber band accumulator 100 comprises: housing 101, mounting seat 101a, rubber strip clip 102, sealing-plug 103, elastic rubber band 104, terminal pad 105, minute pull bar 106, cavity capping 107, unidirectional charge valve 107a, tension board 108, pull bar 109, piston rod 110, piston 111, oil cylinder 112, oil cylinder capping 113.
The mounting seat 101a of elastic rubber band accumulator 100 is fixedly mounted on the propons vehicle frame 2, fixed pulley 3 is fixedly mounted on the pulley bracket of propons vehicle frame 2, one end of pull bar 109 is provided with pull bar suspension ring 109b, one end of wire rope 4 is fixedly connected with pull bar suspension ring 109b one end of pull bar 109, and it is hinged with the middle part of swing arm 1 that wire rope 4 other ends are walked around fixed pulley 3.
The other end of pull bar 109 is provided with pull bar flange 109a, the pull bar flange 109a end of pull bar 109 is fixedly connected with an end face of tension board 108, the other end of tension board 108 is fixedly connected with an end of piston rod 110, and the central through hole that the other end of piston rod 110 passes oil cylinder capping 113 is fixedly connected with piston 111; Piston 111 is packed in the oil cylinder 112, piston 111 is divided into rod chamber 114 and rodless cavity 115 with the oil cylinder cavity, and the longitudinal axis of the longitudinal axis of the longitudinal axis of pull bar 109 and tension board 108, the longitudinal axis of piston rod 110, piston 111, the longitudinal axis of oil cylinder 112 are on the same straight line; Vertical central position of housing 101 is provided with a cylindrical hole, and the bottom of cylindrical hole is provided with circumferential boss, oil cylinder 112 is fixedly mounted on this cylindrical hole of housing 101 by this circumferential boss; Also be fixedly connected with an end of 6 minutes pull bars 106 on the periphery of tension board 108 other ends, this 6 minutes pull bars 106 are arranged symmetrically with the longitudinal axis of tension board 108, each central through hole that divides the other end of pull bar 106 to pass in the cavity capping 107 is fixedly connected with an end face of terminal pad 105, and each terminal pad 105 places in the cavity of housing 101; Be fixedly connected with 16 elastic rubber bands 104 between another end face of each terminal pad 105 and the housing base plate 101b, one end of every elastic rubber band 104 is fixed on the terminal pad 105 with rubber strip clip 102, and the other end of every elastic rubber band 104 also is fixed on the housing base plate 101b with rubber strip clip 102.
The bottom of oil cylinder 112 is provided with the first oil-in 112a, and the first oil-in 112a is communicated to rodless cavity 115; Also be provided with the second oil-in 113a in the oil cylinder capping 113, the second oil-in 113a is communicated to rod chamber 114.
The A hydraulic fluid port of hydraulic electromagnetic change valve 504 is connected to the first oil-in 112a by fluid pressure line, the B hydraulic fluid port of hydraulic electromagnetic change valve 504 is connected to the second oil-in 113a by fluid pressure line, and the P of hydraulic electromagnetic change valve 504, T hydraulic fluid port are connected to fuel tank 6 by fluid pressure line.
Swing arm control stick lifting gear on-off 501, decline gear on-off 502 are installed in respectively on the fixed support of swing arm control stick lift location and down position, and moved arm lifting limit switch 503 is fixed on the propons vehicle frame 2.
The housing 101 of elastic rubber band accumulator 100 and cavity capping 107 form enclosed cavity, be filled with nitrogen by unidirectional charge valve 107a to enclosed cavity, the pressure that is filled with nitrogen is 100kPa, to prevent atmosphere to erosion and the aging action of elastic rubber band, prolongs the application life of elastic rubber band.
10%～20% of the length that wire rope 4 spurred when the maximum tension amount of elastic rubber band accumulator 100 dropped to extreme lower position greater than swing arm 1 from the extreme higher position to prevent that elastic rubber band from excessively being stretched, guarantees to use safety.
With fixed pulley 3, wire rope 4, elastic rubber band accumulator 100 is at each side layout one cover of propons vehicle frame 2, and two covering devices are installed so that the longitudinal axis of propons vehicle frame 2 is symmetrical.
The driver connects ignition switch 506, in the loader operation process, when the driver is pushed into the decline gear with swing arm control stick 505, swing arm control stick decline gear on-off 502 closures, loading arm 1 begins to descend, after ECU 500 detects the closure signal of decline gear on-off 502, the electromagnetic coil 504a energising of ECU 500 control hydraulic electromagnetic change valves 504, hydraulic electromagnetic change valve 504 energising actions; Along with the decline of loading arm 1, the pull bar 109 that is fixed on the wire rope 4 pulling accumulators 100 on the swing arm 1 moves upward, and pull bar 109 is by tension board 108 pulling minute pull bars 106, and minute pull bar 106 stretches elastic rubber band 104 through terminal pad 105 again; Pull bar 109 is by tension board 108 pulling piston rods 110 simultaneously, piston rod 110 pulling pistons 111 rise together, the hydraulic oil of rod chamber 114 is discharged from the second oil-in 113a, flow back to fuel tank 6 through hydraulic electromagnetic change valve 504, rodless cavity 115 forms vacuum owing to moving on the piston 111, hydraulic oil passes through the first oil-in 112a through fuel tank 6 and hydraulic electromagnetic change valve 504, is inhaled into rodless cavity 115; When stopping swing arm 1 and descending then hydraulic electromagnetic change valve 504 be repositioned to fastening position, the first oil-in 112a of rodless cavity 115 and the second oil-in 113a of rod chamber 114 are all turn-offed by hydraulic electromagnetic change valve 504 at this moment, piston 111 is fixed motionless, piston rod 110, tension board 108, pull bar 109, minute pull bar 106, terminal pad 105 all keep maintaining static, elastic rubber band 104 keeps extended state constant, and the elastic potential energy that the gravitional force that so just swing arm 1 is fallen is converted to elastic rubber band 104 stores.
In the loader operation process, when the driver is pushed into the lifting gear with swing arm control stick 505, lifting gear on-off 501 closures, loading arm 1 beginning lifting, after ECU 500 detects the closure signal of swing arm control stick lifting gear on-off 501, the electromagnetic coil 504a energising of ECU 500 control hydraulic electromagnetic change valves 504, hydraulic electromagnetic change valve 504 energising actions; Elastic rubber band 104 shrinks, and through terminal pad 105 pulling minute pull bars 106, minute pull bar 106 moves downward through tension board 108 pulling pull bars 109 again, and pull bar 109 rises by wire rope 4 pulling swing arms 1; While tension board 108 pulling piston rods 110 move downward and pushing piston 111 moves down, the hydraulic oil of rodless cavity 115 is discharged from the first oil-in 112a, flow back to fuel tank 6 through hydraulic electromagnetic change valve 504, rod chamber 114 is owing to moving down of piston 111 forms vacuum, hydraulic oil passes through the second oil-in 113a through fuel tank 6 and hydraulic electromagnetic change valve 504, is inhaled into rod chamber 114; The elastic potential of elastic rubber band 104 is converted to the gravitional force of swing arm 1 at this moment; When stopping swing arm 1 and rising then hydraulic electromagnetic change valve 504 be repositioned to fastening position, the first oil-in 112a of rodless cavity 115 and the second oil-in 113a of rod chamber 114 are all turn-offed by hydraulic electromagnetic change valve 504 at this moment, piston 111 is fixed motionless, piston rod 110, tension board 108, pull bar 109, minute pull bar 106, terminal pad 105 all keep maintaining static, elastic rubber band 104 is maintained at contraction state, and so just the elastic potential energy with elastic rubber band 104 is converted to the gravitional force that swing arm 1 rises.When swing arm 1 is lifted to the spacing height of lifting, moved arm lifting limit switch 503 closures, ECU 500 control electromagnetic coil 504a outages, elastic rubber band accumulator 100 is in the energy reserving state.
When loader strikes off operation or does not work, swing arm control stick 505 places meta or floating position, this moment, ECU 500 control hydraulic electromagnetic change valves 504 can keep de-energized, the hydraulic oil of rod chamber 114 and rodless cavity 115 flows no longer mutually, elastic rubber band accumulator 100 energy reservings.
The above has done detailed description to embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-mentioned embodiment, in the ken that affiliated technical field those of ordinary skill possesses, can also under the prerequisite that does not break away from the utility model aim, make various variations.
Claims (4)
1. elastic rubber band energy storage type loading arm potential energy reclaiming device, it comprises propons vehicle frame (2), swing arm (1), it is characterized in that:
It also comprises elastic rubber band accumulator (100), fixed pulley (3), wire rope (4), hydraulic electromagnetic change valve (504);
The mounting seat (101a) of described elastic rubber band accumulator (100) is fixedly mounted on the propons vehicle frame (2), fixed pulley (3) is fixedly mounted on the pulley bracket of propons vehicle frame (2), one end of wire rope (4) is fixedly connected with an end of pull bar (109), and it is hinged with the middle part of swing arm (1) that the other end of wire rope (4) is walked around fixed pulley (3); The other end of pull bar (109) is fixedly connected with an end face of tension board (108), the other end of tension board (108) is fixedly connected with an end of piston rod (110), and the central through hole that the other end of piston rod (110) passes oil cylinder capping (113) is fixedly connected with piston (111); Piston (111) is packed in the oil cylinder (112), piston (111) is divided into rod chamber (114) and rodless cavity (115) with the oil cylinder cavity, and the longitudinal axis of the longitudinal axis of the longitudinal axis of pull bar (109) and tension board (108), the longitudinal axis of piston rod (110), piston (111), the longitudinal axis of oil cylinder (112) are on the same straight line; Vertical central position of housing (101) is provided with a cylindrical hole, and the bottom of cylindrical hole is provided with circumferential boss, oil cylinder (112) is fixedly mounted on this cylindrical hole of housing (101) by this circumferential boss; On the periphery of tension board (108) other end also with a plurality of minutes pull bar (106) an end be fixedly connected with, a plurality of minutes pull bar (106) be arranged symmetrically with the longitudinal axis of tension board (108), each central through hole that divides the other end of pull bar (106) to pass in the cavity capping (107) is fixedly connected with an end face of terminal pad (105), and each terminal pad (105) places in the cavity of housing (101); Be fixedly connected with many elastic rubber bands (104) between another end face of each terminal pad (105) and the housing base plate (101b), one end of every elastic rubber band (104) is fixed on the terminal pad (105), and the other end of every elastic rubber band (104) is fixed on the housing base plate (101b);
The bottom of described oil cylinder (112) also is provided with the first oil-in (112a), and the first oil-in (112a) is communicated to rodless cavity (115); Also be provided with the second oil-in (113a) in the oil cylinder capping (113), the second oil-in (113a) is communicated to rod chamber (114);
A control port of described hydraulic electromagnetic change valve (504) is connected to the first oil-in (112a) by fluid pressure line, and another control port of hydraulic electromagnetic change valve (504) is connected to the second oil-in (113a) by fluid pressure line.
2. elastic rubber band energy storage type loading arm potential energy reclaiming device as claimed in claim 1, it is characterized in that: described elastic rubber band accumulator (100), fixed pulley (3), wire rope (4), at each side layout one cover of propons vehicle frame (2), and two covering devices are installed so that the longitudinal axis of propons vehicle frame (2) is symmetrical.
3. elastic rubber band energy storage type loading arm potential energy reclaiming device as claimed in claim 1, it is characterized in that: the housing (101) of described elastic rubber band accumulator (100) and cavity capping (107) form enclosed cavity, (107a) is filled with nitrogen in this enclosed cavity by unidirectional charge valve, and the pressure that is filled with nitrogen is 80～120kPa.
4. elastic rubber band energy storage type loading arm potential energy reclaiming device as claimed in claim 1 is characterized in that: the length that wire rope (4) spurred when the maximum tension amount of described elastic rubber band accumulator (100) dropped to extreme lower position greater than swing arm (1) from the extreme higher position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320241884 CN203238684U (en) | 2013-05-07 | 2013-05-07 | Elastic rubber belt energy accumulator type potential energy recycling device for movable arms of loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320241884 CN203238684U (en) | 2013-05-07 | 2013-05-07 | Elastic rubber belt energy accumulator type potential energy recycling device for movable arms of loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203238684U true CN203238684U (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320241884 Withdrawn - After Issue CN203238684U (en) | 2013-05-07 | 2013-05-07 | Elastic rubber belt energy accumulator type potential energy recycling device for movable arms of loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203238684U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243751A (en) * | 2013-05-07 | 2013-08-14 | 山东理工大学 | Elastic rubber band energy accumulator type loader movable arm potential energy recovery and regeneration device |
| WO2021035475A1 (en) * | 2019-08-26 | 2021-03-04 | Guangxi Liugong Machinery Co., Ltd. | Loader |
-
2013
- 2013-05-07 CN CN 201320241884 patent/CN203238684U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243751A (en) * | 2013-05-07 | 2013-08-14 | 山东理工大学 | Elastic rubber band energy accumulator type loader movable arm potential energy recovery and regeneration device |
| CN103243751B (en) * | 2013-05-07 | 2015-09-02 | 山东理工大学 | Elastic rubber belt energy accumulator formula loading arm potential energy reclaiming device |
| WO2021035475A1 (en) * | 2019-08-26 | 2021-03-04 | Guangxi Liugong Machinery Co., Ltd. | Loader |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131016 Effective date of abandoning: 20150902 |
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| RGAV | Abandon patent right to avoid regrant |