CN203238681U - Gravitational potential energy recycling and regenerating device of compressed spring energy accumulator type loading machine movable arm - Google Patents
Gravitational potential energy recycling and regenerating device of compressed spring energy accumulator type loading machine movable arm Download PDFInfo
- Publication number
- CN203238681U CN203238681U CN 201320242193 CN201320242193U CN203238681U CN 203238681 U CN203238681 U CN 203238681U CN 201320242193 CN201320242193 CN 201320242193 CN 201320242193 U CN201320242193 U CN 201320242193U CN 203238681 U CN203238681 U CN 203238681U
- Authority
- CN
- China
- Prior art keywords
- stage clip
- swing arm
- oil
- depression bar
- potential energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a gravitational potential energy recycling and regenerating device of a compressed spring energy accumulator type loading machine movable arm, and aims at providing the gravitational potential energy recycling and regenerating device, which is high in energy transformation ratio, large in energy density, light in weight and simple in structure, of the compressed spring energy accumulator type loading machine movable arm. The gravitational potential energy recycling and regenerating device comprises a compressed spring energy accumulator, an electronic control unit, a movable arm operating lever lifting gear switch, a movable arm operating lever descending gear switch and a hydraulic electromagnetic directional valve. The gravitational potential energy recycling and regenerating device can achieve the effect that in the descending process of the movable arm of a loading machine, gravitational potential energy of a working device is recycled and converted into elastic potential energy which is stored in the compressed spring energy accumulator, and in the lifting process of the loading machine movable arm, the elastic potential energy of the compressed spring energy accumulator is converted into the gravitational potential energy of the movable arm, so that recycling and regenerating of the gravitational potential energy of the loading machine movable arm are achieved, and the purposes of energy conservation and emission reduction are achieved.
Description
Technical field
The utility model relates to a kind of loading arm potential energy reclaiming device, more precisely a kind of stage clip 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 stage clip 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, stage clip energy storage type loading arm potential energy reclaiming device of the present utility model, it comprises swing arm, propons vehicle frame, boom cylinder, fuel tank, moved arm lifting limit switch, swing arm control stick, ignition switch, and it also comprises stage clip accumulator, ECU, swing arm control stick lifting gear on-off, swing arm control stick decline gear on-off, hydraulic electromagnetic change valve.
Wherein, the stage clip accumulator comprises: housing, mounting seat, stage clip, terminal pad, minute depression bar, pressure plare, depression bar, piston rod, piston, oil cylinder, oil cylinder capping.
The stage clip accumulator is put the top that is installed in boom cylinder, and the longitudinal axis of stage clip accumulator is parallel with the longitudinal axis of boom cylinder, one end and the swing arm of the depression bar of stage clip accumulator are hinged, the other end of depression bar is fixedly connected with an end face of pressure plare, the other end of pressure plare is fixedly connected with an end of piston rod, and 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, and 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 depression bar and the longitudinal axis of pressure plare, 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, oil cylinder is fixedly mounted on this cylindrical hole of housing by this circumferential boss; Also be fixedly connected with an end of a plurality of minutes depression bars on the periphery of pressure plare other end, a plurality of minutes depression bars are arranged symmetrically with the longitudinal axis of pressure plare, each minute, the other end of depression bar was fixedly connected with an end face of terminal pad, and each terminal pad places in the cavity of housing; Another end face of each terminal pad is provided with the first spring base, the inner bottom surface of housing base plate is provided with the second spring base, between the second spring base and the first spring base a plurality of stage clips are installed, one end of each stage clip is pressed on the first spring base, and the other end of each stage clip is pressed on the second spring base; Center position in the outside bottom surface of housing base plate is fixedly connected with mounting seat, and the base hanger of mounting seat is hinged on the propons vehicle frame.
The bottom of oil cylinder also is provided with the first oil-in, and the first oil-in is communicated to rodless cavity; Also be provided with the second oil-in in the oil cylinder capping, 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 input of ECU connects swing arm control stick lifting gear on-off, swing arm control stick decline gear on-off, moved arm lifting limit switch, ignition switch, and the output of ECU connects the electromagnetic coil of hydraulic electromagnetic change valve.
With each side layout one cover of stage clip accumulator at the propons vehicle frame, and two cover stage clip accumulators are installed so that the longitudinal axis of propons vehicle frame is symmetrical.
The amount that depression bar compressed when the maximum compressibility of stage clip accumulator dropped to extreme lower position greater than swing arm from the extreme higher position.
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, swing arm control stick decline gear on-off is closed, loading arm begins to descend, after ECU detects the closure signal of swing arm control stick 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 depression bar that is hinged on the stage clip accumulator on the swing arm moves downward, and depression bar promotes a minute depression bar by pressure plare, and a minute depression bar compresses stage clip through terminal pad again; Depression bar is by pressure plare pushing piston bar simultaneously, the piston rod pushing piston moves down together, 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; When stopping swing arm and descending then hydraulic electromagnetic change valve be repositioned to fastening position, the second oil-in of rod chamber and the first oil-in of rodless cavity are all turn-offed by hydraulic electromagnetic change valve at this moment, piston is fixed motionless, piston rod, pressure plare, depression bar, minute depression bar, terminal pad all keep maintaining static, stage clip is maintained at compressive state, and the elastic potential energy that the gravitional force that so just swing arm is fallen is converted to stage clip stores.
The operating principle of movable arm potential energy regenerative process is: in the loader operation process, when the driver is pushed into the lifting gear with the swing arm control stick, swing arm control stick lifting gear on-off is closed, loading arm begins lifting, after ECU detects the closure signal of swing arm control stick lifting gear on-off, the electromagnetic coil energising of ECU control hydraulic electromagnetic change valve, hydraulic electromagnetic change valve energising action, the stage clip elongation, promote a minute depression bar through terminal pad, divide depression bar to promote depression bar through pressure plare again and move upward, depression bar promotes swing arm and rises; Simultaneously, pressure plare pushing piston bar moves upward and spurs piston and moves up, 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; The elastic potential of stage clip 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, pressure plare, depression bar, minute depression bar, terminal pad all keep maintaining static, stage clip is maintained at elongation state, and so just the elastic potential energy with stage clip 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 stage clip 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 stage clip accumulator is in the energy reserving state.
The utility model compared with prior art, its advantage is:
(1) the accumulation of energy parts of stage clip energy storage type loading arm potential energy reclaiming device of the present utility model have adopted a plurality of stage clips, directly the gravitional force of swing arm is converted into the elastic potential energy of stage clip, simple in structure, energy transformation ratio is high, dynamic response is fast, lightweight, cost is low;
(2) the stage clip accumulator in the utility model, integrated oil cylinder in the stage clip accumulator can be realized storage control, release control and the retentive control of stage clip 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 stage clip 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 stage clip accumulator.
Fig. 3 is the top view of the utility model embodiment Fig. 2.
In figure: 1. swing arm, 2. propons vehicle frame, 3. boom cylinder, 4. fuel tank, 100. stage clip accumulator 101. housings, 101a. housing base plate, 101b. the second spring base, 102. mounting seat, 102a. base hanger, 103. stage clip, 104. terminal pad, 104a. the first spring base, 105. minute depression bar, 106. pressure plare, 107. depression bar, 107a. depression bar hanger, 107b. depression bar flange, 108. piston rod, 109. piston, 110. oil cylinder, 110a. the first oil-in, 111. oil cylinder capping, 111a. the second oil-in, 112. rod chamber, 113. rodless cavity, 300. ECU, 301. swing arm control stick lifting gear on-off, 302. swing arm control stick decline gear on-off, 303. moved arm lifting limit switch, 304. hydraulic electromagnetic change valve, 304a. solenoid, 305. swing arm control stick, 306. ignition switch
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
Shown in Fig. 1 ~ 3, stage clip energy storage type loading arm potential energy reclaiming device of the present utility model, comprise swing arm 1, propons vehicle frame 2, boom cylinder 3, fuel tank 4, moved arm lifting limit switch 303, swing arm control stick 305, ignition switch 306, it also comprises stage clip accumulator 100, ECU 300, swing arm control stick lifting gear on-off 301, swing arm control stick decline gear on-off 302, hydraulic electromagnetic change valve 304.
Wherein, stage clip accumulator 100 comprises: housing 101, mounting seat 102, stage clip 103, terminal pad 104, minute depression bar 105, pressure plare 106, depression bar 107, piston rod 108, piston 109, oil cylinder 110, oil cylinder capping 111.
Stage clip accumulator 100 is installed in the top of boom cylinder 3, and the longitudinal axis of stage clip accumulator 100 is parallel with the longitudinal axis of boom cylinder 3, one end of the depression bar 107 of stage clip accumulator 100 is provided with depression bar hanger 107a, and hinged by depression bar hanger 107a and swing arm 1, the other end of depression bar 107 is provided with depression bar flange 107b, and be fixedly connected with bolt with an end face of pressure plare 106 by depression bar flange 107b, the other end of pressure plare 106 is fixedly connected with bolt with an end of piston rod 108, and the central through hole that the other end of piston rod 108 passes oil cylinder capping 111 is fixedly connected with piston 109; Piston 109 is packed in the oil cylinder 110, piston 109 is divided into rod chamber 112 and rodless cavity 113 with the oil cylinder cavity, the side that piston rod 108 is housed is rod chamber 112, the side that piston rod 108 is not housed is rodless cavity 113, and the longitudinal axis of the longitudinal axis of the longitudinal axis of depression bar 107 and pressure plare 106, the longitudinal axis of piston rod 108, piston 109, the longitudinal axis of oil cylinder 110 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, by this circumferential boss with oil cylinder 110 axial location and be fixedly mounted on this cylindrical hole of housing 101; Also be fixedly connected with an end of six minutes depression bars 105 on the periphery of pressure plare 106 other ends, six minutes depression bars 105 are arranged symmetrically with the longitudinal axis of pressure plare 106, each minute, the other end of depression bar 105 was fixedly connected with an end face of terminal pad 104, and each terminal pad 104 places in the cavity of housing; Another end face of each terminal pad 104 is provided with the first spring base 104a, the inner bottom surface of housing base plate 101a is provided with the second spring base 101b, the stage clip 103 of three different-diameters is installed between the second spring base 101b and the first spring base 104a, one end of each stage clip 103 is pressed on the first spring base 104a, and the other end of each stage clip 103 is pressed on the second spring base 101b; Center position in the outside bottom surface of housing base plate 101a is fixedly connected with mounting seat 102, and the base hanger 102a of mounting seat 102 is hinged on the propons vehicle frame 2.
The bottom of oil cylinder 110 is provided with the first oil-in 110a, and the first oil-in 110a is communicated to rodless cavity 113; Also be provided with the second oil-in 111a in the oil cylinder capping 111, the second oil-in 111a is communicated to rod chamber 112.
The A hydraulic fluid port of hydraulic electromagnetic change valve 304 is connected to the first oil-in 110a by fluid pressure line, the B hydraulic fluid port of hydraulic electromagnetic change valve 304 is connected to the second oil-in 111a by fluid pressure line, and the P of hydraulic electromagnetic change valve 304, T hydraulic fluid port are connected to fuel tank 4 by fluid pressure line.
With each side layout one cover of stage clip accumulator 100 at propons vehicle frame 2, and two cover stage clip accumulators 100 are installed so that the longitudinal axis of propons vehicle frame 2 is symmetrical.
When the maximum compressibility of stage clip accumulator 100 drops to extreme lower position greater than swing arm 1 from the extreme higher position 10%～20% of depression bar 107 decrements, to prevent stage clip by excess compression, guarantee to use safety.
Swing arm control stick lifting gear on-off 301, swing arm control stick decline gear on-off 302 all adopt proximity Hall switch, be installed in respectively on the fixed support of swing arm control stick 305 lift location and down position, when swing arm control stick 305 is placed in lift location, swing arm control stick lifting gear on-off 301 closures, when swing arm control stick 305 is placed in down position, swing arm control stick decline gear on-off 302 closures; Moved arm lifting limit switch 303 is fixed on the propons vehicle frame 2, when swing arm 1 is lifted to the highest restriction position, and moved arm lifting limit switch 303 closures.
The input of ECU 300 connects swing arm control stick lifting gear on-off 301, swing arm control stick decline gear on-off 302, moved arm lifting limit switch 303, ignition switch 306, and the output of ECU 300 connects the electromagnetic coil 304a of hydraulic electromagnetic change valve 304.
In the loader operation process, the driver connects ignition switch 306, when the driver is pushed into the decline gear with swing arm control stick 305, swing arm control stick decline gear on-off 302 closures, loading arm 1 begins to descend, after ECU 300 detects the closure signal of swing arm control stick decline gear on-off 302, the electromagnetic coil 304a energising of ECU 300 control hydraulic electromagnetic change valves 304, hydraulic electromagnetic change valve 304 energising actions; Along with the decline of loading arm 1, the depression bar 107 that is hinged on the stage clip accumulator 100 on the swing arm 1 moves downward, and depression bar 107 promotes a minute depression bar 105 by pressure plare 106, and minute depression bar 105 compresses stage clip 103 through terminal pad 104 again; Depression bar 107 is by pressure plare 106 pushing piston bars 108 simultaneously, piston rod 108 pushing pistons 109 rise together, the hydraulic oil of rodless cavity 113 is discharged from the first oil-in 110a, flow back to fuel tank 4 through hydraulic electromagnetic change valve 304, rod chamber 112 is owing to moving down of piston 109 forms vacuum, hydraulic oil passes through the second oil-in 111a through fuel tank 4 and hydraulic electromagnetic change valve 304, is inhaled into rod chamber 112; When stopping swing arm 1 and descending then hydraulic electromagnetic change valve 304 be repositioned to fastening position, the second oil-in 111a of rod chamber 112 and the first oil-in 110a of rodless cavity 113 are all turn-offed by hydraulic electromagnetic change valve 304 at this moment, piston 109 is fixed motionless, piston rod 108, pressure plare 106, depression bar 107, minute depression bar 105, terminal pad 104 all keep maintaining static, stage clip 103 is maintained at compressive state, and the elastic potential energy that the gravitional force that so just swing arm 1 is fallen is converted to stage clip 103 stores.
In the loader operation process, the driver connects ignition switch 306, when the driver is pushed into the lifting gear with swing arm control stick 305, swing arm control stick lifting gear on-off 301 closures, loading arm 1 beginning lifting, after ECU 300 detects the closure signal of swing arm control stick lifting gear on-off 301, the electromagnetic coil 304a energising of ECU 300 control hydraulic electromagnetic change valves 304, hydraulic electromagnetic change valve 304 energising actions, stage clip 103 elongations, promote a minute depression bar 105 through terminal pad 104, minute depression bar 105 promotes depression bar 107 through pressure plare 106 again and moves upward, and depression bar 107 promotes swing arm 1 and rises; Simultaneously, pressure plare 106 pushing piston bars 108 move upward and spur piston 109 and move up, the hydraulic oil of rod chamber 112 is discharged from the second oil-in 111a, flow back to fuel tank 4 through hydraulic electromagnetic change valve 304, rodless cavity 113 forms vacuum owing to moving on the piston 109, hydraulic oil passes through the first oil-in 110a through fuel tank 4 and hydraulic electromagnetic change valve 304, is inhaled into rodless cavity 113; The elastic potential of stage clip 103 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 304 be repositioned to fastening position, the first oil-in 110a of rodless cavity 113 and the second oil-in 111a of rod chamber 112 are all turn-offed by hydraulic electromagnetic change valve 304 at this moment, piston 109 is fixed motionless, piston rod 108, pressure plare 106, depression bar 107, minute depression bar 105, terminal pad 104 all keep maintaining static, stage clip 103 is maintained at elongation state, and so just the elastic potential energy with stage clip 103 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 303 closures, ECU 300 control electromagnetic coil 304a outages, stage clip accumulator 100 is in the energy reserving state.
When loader strikes off operation or does not work, swing arm control stick 305 places meta or floating position, this moment, ECU 300 control hydraulic electromagnetic change valves 304 can keep de-energized, the hydraulic oil of rod chamber 112 and rodless cavity 113 flows no longer mutually, and stage clip accumulator 100 is in the energy reserving state.
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 (3)
1. stage clip energy storage type loading arm potential energy reclaiming device, it comprises swing arm (1), propons vehicle frame (2), boom cylinder (3), fuel tank (4), moved arm lifting limit switch (303), swing arm control stick (305), ignition switch (306), it is characterized in that:
It also comprises stage clip accumulator (100), ECU (300), swing arm control stick lifting gear on-off (301), swing arm control stick decline gear on-off (302), hydraulic electromagnetic change valve (304);
Described stage clip accumulator (100) is installed in the top of boom cylinder (3), and the longitudinal axis of stage clip accumulator (100) is parallel with the longitudinal axis of boom cylinder (3), one end and the swing arm (1) of the depression bar (107) of stage clip accumulator (100) are hinged, the other end of depression bar (107) is fixedly connected with an end face of pressure plare (106), the other end of pressure plare (106) is fixedly connected with an end of piston rod (108), and the central through hole that the other end of piston rod (108) passes oil cylinder capping (111) is fixedly connected with piston (109); Piston (109) is packed in the oil cylinder (110), piston (109) is divided into rod chamber (112) and rodless cavity (113) with the oil cylinder cavity, and the longitudinal axis of the longitudinal axis of the longitudinal axis of depression bar (107) and pressure plare (106), the longitudinal axis of piston rod (108), piston (109), the longitudinal axis of oil cylinder (110) 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 (110) is fixedly mounted on this cylindrical hole of housing (101) by this circumferential boss; On the periphery of pressure plare (106) other end also with a plurality of minutes depression bar (105) an end be fixedly connected with, a plurality of minutes depression bar (105) be arranged symmetrically with the longitudinal axis of pressure plare (106), each minute, the other end of depression bar (105) was fixedly connected with an end face of terminal pad (104), and each terminal pad (104) places in the cavity of housing; Another end face of each terminal pad (104) is provided with the first spring base (104a), the inner bottom surface of housing base plate (101a) is provided with the second spring base (101b), between the second spring base (101b) and the first spring base (104a) a plurality of stage clips (103) are installed, one end of each stage clip (103) is pressed on the first spring base (104a), and the other end of each stage clip (103) is pressed on the second spring base (101b); Center position in the outside bottom surface of housing base plate (101a) is fixedly connected with mounting seat (102), and the base hanger (102a) of mounting seat (102) is hinged on the propons vehicle frame (2);
The bottom of described oil cylinder (110) also is provided with the first oil-in (110a), and the first oil-in (110a) is communicated to rodless cavity (113); Also be provided with the second oil-in (111a) in the oil cylinder capping (111), the second oil-in (111a) is communicated to rod chamber (112);
A control port of described hydraulic electromagnetic change valve (304) is connected to the first oil-in (110a) by fluid pressure line, and another control port of hydraulic electromagnetic change valve (304) is connected to the second oil-in (111a) by fluid pressure line;
The input of described ECU (300) connects swing arm control stick lifting gear on-off (301), swing arm control stick decline gear on-off (302), moved arm lifting limit switch (303), ignition switch (306), and the output of ECU (300) connects the electromagnetic coil (304a) of hydraulic electromagnetic change valve (304).
2. stage clip energy storage type loading arm potential energy reclaiming device as claimed in claim 1, it is characterized in that: described stage clip accumulator (100) is at each side layout one cover of propons vehicle frame (2), and two cover stage clip accumulators (100) are installed so that the longitudinal axis of propons vehicle frame (2) is symmetrical.
3. stage clip energy storage type loading arm potential energy reclaiming device as claimed in claim 1 is characterized in that: the decrement of depression bar (107) when the maximum compressibility of described stage clip accumulator (100) drops 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 201320242193 CN203238681U (en) | 2013-05-07 | 2013-05-07 | Gravitational potential energy recycling and regenerating device of compressed spring energy accumulator type loading machine movable arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242193 CN203238681U (en) | 2013-05-07 | 2013-05-07 | Gravitational potential energy recycling and regenerating device of compressed spring energy accumulator type loading machine movable arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203238681U true CN203238681U (en) | 2013-10-16 |
Family
ID=49315995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320242193 Expired - Fee Related CN203238681U (en) | 2013-05-07 | 2013-05-07 | Gravitational potential energy recycling and regenerating device of compressed spring energy accumulator type loading machine movable arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203238681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243752A (en) * | 2013-05-07 | 2013-08-14 | 山东理工大学 | Potential energy recycling device with compressed spring energy accumulator for movable arm of loader |
-
2013
- 2013-05-07 CN CN 201320242193 patent/CN203238681U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243752A (en) * | 2013-05-07 | 2013-08-14 | 山东理工大学 | Potential energy recycling device with compressed spring energy accumulator for movable arm of loader |
| CN103243752B (en) * | 2013-05-07 | 2015-09-02 | 山东理工大学 | Stage clip energy storage type loading arm potential energy reclaiming device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203847073U (en) | Gas balance type hydraulic oil pumping machine | |
| CN102092636B (en) | Energy-saving hydraulic device and hydraulic hoisting equipment with same | |
| CN103243752B (en) | Stage clip energy storage type loading arm potential energy reclaiming device | |
| KR101630733B1 (en) | Lifting system and lifting method for jib of project machine and project machine thereof | |
| CN203238679U (en) | Compound energy accumulator type potential energy recycling device for movable arms of loader | |
| CN103148033B (en) | A kind of Study of Cyclic Loading hydraulic system | |
| CN101839004B (en) | Balance excavator and hydraulic control system thereof | |
| CN203238681U (en) | Gravitational potential energy recycling and regenerating device of compressed spring energy accumulator type loading machine movable arm | |
| CN203238684U (en) | Elastic rubber belt energy accumulator type potential energy recycling device for movable arms of loader | |
| CN102691682A (en) | Method and device for potential energy recovery and storage by utilizing deadweight of crane jib | |
| CN203238683U (en) | Tension spring energy storage device type loading machine movable arm potential energy recovery regenerative device | |
| CN201071853Y (en) | Floating piston type oil storing cylinder used for caterpiller crane | |
| CN203296034U (en) | Damping system and dynamic consolidation machine with damping system | |
| CN103215978B (en) | Tension spring energy accumulator type loader swing arm potential energy recycling and regenerating device | |
| CN102094600A (en) | Hydraulic pumping device with energy recovery function | |
| CN101920901A (en) | Lifting device and method for using same | |
| CN203214494U (en) | Lifting equipment potential energy recycling hydraulic control system under unsteady load | |
| CN203297170U (en) | Energy-saving and consumption-reducing compression-type garbage station | |
| CN202833424U (en) | Buffer device of hydrocylinder | |
| CN203717530U (en) | Car cab overturn oil cylinder adopting novel structure | |
| CN203238682U (en) | Elastic rubber belt energy storage type potential energy recycling control system for movable arms of loader | |
| CN103243750B (en) | Composite accumulator formula loading arm potential energy reclaiming device | |
| CN203049649U (en) | Multiple floating function device of land leveller shovel plate | |
| CN202279645U (en) | Lorry-mounted crane with link mechanisms | |
| CN201880838U (en) | Rapid return device of rapid forging oil press |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131016 Termination date: 20160507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |