CN112681418A - Excavator operating device embeds perpendicular distributing type hydraulic pressure energy memory - Google Patents
Excavator operating device embeds perpendicular distributing type hydraulic pressure energy memory Download PDFInfo
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- CN112681418A CN112681418A CN202110041292.3A CN202110041292A CN112681418A CN 112681418 A CN112681418 A CN 112681418A CN 202110041292 A CN202110041292 A CN 202110041292A CN 112681418 A CN112681418 A CN 112681418A
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- 238000004146 energy storage Methods 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 6
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Abstract
The invention discloses a vertical distributed hydraulic energy storage device arranged in an excavator working mechanism, which comprises a movable arm, a movable arm oil cylinder, an arm, a bucket oil cylinder, a bucket and ten piston type energy accumulators. The invention can store the energy recovered by the hydraulic circuit into the energy accumulators which are connected by threads and are vertically fixed in the movable arm and the bucket rod in a distributed manner, and controls the energy storage and release of each energy accumulator by the wireless data receiver, so as to solve the problems of small space of the upper part of the excavator, too long energy storage path and the like, and achieve the effect of saving space.
Description
Technical Field
The invention relates to the field of hydraulic energy conservation of engineering machinery, in particular to a vertically distributed hydraulic energy storage device arranged in an excavator working mechanism.
Background
With the increasing social demands, multifunctional engineering machinery also begins to become a hot point for research and development in the engineering machinery industry, but the problem brought by the multifunctional engineering machinery is that various functional areas of the machinery are increased continuously, so that the space of an upper vehicle part is relatively reduced, and various devices are cumbersome to stack, so that the space utilization of the engineering machinery draws attention and attention of people.
In addition, as the hydraulic energy-saving system is widely applied to engineering machinery, the hydraulic energy storage device becomes a key hydraulic element, but the existing hydraulic energy storage device has the following problems:
the problem 1 is that the hydraulic energy storage device has a large volume and occupies most of the space of an engine cabin body;
the problem 2 is that the hydraulic energy storage devices are few, so that the pressure fluctuation is large in the energy absorption and release processes;
problem 4, the hydraulic energy storage device measurement control system is complicated, resulting in poor control performance of the hydraulic energy storage device.
The invention aims to solve the problems, not only makes the space of the cabin body of the upper vehicle part of the engineering machinery more abundant, but also shortens the energy storage path of the energy accumulator, and a plurality of energy accumulators used for storing energy in the hydraulic circuit of the engineering machinery are vertically distributed and arranged in the movable arm and the bucket rod, thereby achieving the effect of saving space.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
Disclosure of Invention
The invention discloses a vertical distributed hydraulic energy storage device arranged in an excavator working mechanism, which comprises a movable arm, a movable arm oil cylinder, a bucket rod, a bucket oil cylinder, a bucket and a piston type energy accumulator, wherein the movable arm oil cylinder is connected with the bucket rod oil cylinder;
the method is characterized in that:
four vertical distributed piston type energy accumulators are fixedly connected in the movable arm through threads;
six vertical distributed piston type energy accumulators are fixedly connected inside the bucket rod through threads;
the piston type energy accumulator comprises an oil pipe, an oil end cover, a hoop a, a cylinder body, a hoop b, an air end cover, an air port plug, an oil port, a piston, an air port, four hoop-cylinder body fastening hexagon nuts, four hoop-threaded rod fastening hexagon nuts, four threaded rods, four threaded rod fastening hexagon nut groups and four hoop-cylinder body threaded columns, wherein the piston can freely slide in the cylinder body, and the pre-charging pressure of the piston type energy accumulator is set when the piston type energy accumulator is installed for the first time;
the movable arm comprises a movable arm left side plane, a movable arm intermediate body and a movable arm right side plane; an oil pipe a through hole, a threaded rod a1 through hole to a threaded rod a4 through hole, an oil pipe b through hole, a threaded rod b1 through hole to a threaded rod b4 through hole are distributed on the left side plane of the movable arm; an oil pipe c through hole, a threaded rod c1 through hole to a threaded rod c4 through hole, an oil pipe d through hole, a threaded rod d1 through hole to a threaded rod d4 through hole are distributed on the right side plane of the movable arm;
an oil pipe of the I-piston type energy accumulator penetrates through an oil pipe a through hole on the left side plane of the movable arm; four threaded rods of the I-piston type energy accumulator sequentially penetrate through a threaded rod a1 through hole to a threaded rod a4 through hole in the left side plane of the movable arm, and then each threaded rod sequentially penetrates through a threaded rod fastening hexagon nut group to install the I-piston type energy accumulator on the left side plane of the movable arm; an oil pipe of the II-piston type energy accumulator penetrates through an oil pipe b through hole on the left plane of the movable arm; four threaded rods of the II-piston type energy accumulator sequentially penetrate through a threaded rod b1 through hole to a threaded rod b4 through hole on the left side plane of the movable arm, and then each threaded rod sequentially penetrates through a threaded rod fastening hexagon nut group to install the II-piston type energy accumulator on the left side plane of the movable arm;
an oil pipe of the III-piston type energy accumulator penetrates through an oil pipe c through hole in the plane on the right side of the movable arm; four threaded rods of the III-piston type energy accumulator sequentially penetrate through a threaded rod c1 through hole to a threaded rod c4 through hole in the right side plane of the movable arm, and then each threaded rod sequentially penetrates through a threaded rod fastening hexagon nut group to install the III-piston type energy accumulator on the right side plane of the movable arm; an oil pipe of the IV-piston type energy accumulator penetrates through an oil pipe d port on the right side plane of the movable arm; four threaded rods of the IV-piston type energy accumulator sequentially penetrate through a threaded rod d1 through hole to a threaded rod d4 through hole in the right side plane of the movable arm, and then each threaded rod sequentially penetrates through a threaded rod fastening hexagon nut group to install the IV-piston type energy accumulator on the right side plane of the movable arm; finally, the left plane of the movable arm and the right plane of the movable arm are respectively installed on the left side and the right side of the movable arm intermediate body through welding so as to complete installation of the movable arm energy storage device;
the bucket rod comprises a bucket rod left side plane, a bucket rod intermediate body and a bucket rod right side plane; an oil pipe e through hole, a threaded rod e1 through hole to a threaded rod e4 through hole, an oil pipe f through hole, a threaded rod f1 through hole to a threaded rod f4 through hole, an oil pipe g through hole, a threaded rod g1 through hole to a threaded rod g4 through hole are distributed on the left side plane of the bucket rod; an oil pipe h through hole, a threaded rod h1 through hole to a threaded rod h4 through hole, an oil pipe i through hole, a threaded rod i1 through hole to a threaded rod i4 through hole, an oil pipe j through hole, a threaded rod j1 through hole to a threaded rod j4 through hole are distributed on the right plane of the bucket rod;
an oil pipe of the V-piston type energy accumulator penetrates through an oil pipe e through hole in the left plane of the bucket rod; four threaded rods of the V-piston type energy accumulator sequentially penetrate through a threaded rod e1 through hole to a threaded rod e4 through hole in the left side plane of the bucket rod, and then each threaded rod sequentially penetrates through a threaded rod fastening hexagon nut group to install the V-piston type energy accumulator on the left side plane of the bucket rod; an oil pipe of the VI-piston type energy accumulator penetrates through an oil pipe f through hole on the left side plane of the bucket rod; four threaded rods of the VI-piston type energy accumulator sequentially penetrate through a threaded rod f1 through hole to a threaded rod f4 through hole in the left side plane of the bucket rod, and then each threaded rod sequentially penetrates through a threaded rod fastening hexagon nut group to install the VI-piston type energy accumulator on the left side plane of the bucket rod; an oil pipe of the VII-piston type energy accumulator penetrates through an oil pipe g through hole in the left plane of the bucket rod; the four threaded rods of the VII-piston type energy accumulator sequentially penetrate through a threaded rod g1 through hole to a threaded rod g4 through hole in the left side plane of the bucket rod, and then each threaded rod sequentially penetrates through a threaded rod fastening hexagon nut group to install the VII-piston type energy accumulator on the left side plane of the bucket rod;
an oil pipe of the VIII-piston type energy accumulator penetrates through an oil pipe h through hole in the right plane of the bucket rod; four threaded rods of the VIII-piston type energy accumulator sequentially penetrate through a threaded rod h1 through hole to a threaded rod h4 through hole in the right side plane of the bucket rod, and then each threaded rod sequentially penetrates through a threaded rod fastening hexagon nut group to install the VIII-piston type energy accumulator on the right side plane of the bucket rod; an oil pipe of the IX-piston type energy accumulator penetrates through an oil pipe i through hole on the right side plane of the bucket rod; four threaded rods of the IX-piston type energy accumulator sequentially penetrate through a threaded rod i1 through hole to a threaded rod i4 through hole on the right side plane of the bucket rod, and then each threaded rod sequentially penetrates through a threaded rod fastening hexagon nut group to install the IX-piston type energy accumulator on the right side plane of the bucket rod; an oil pipe of the X-piston type energy accumulator penetrates through an oil pipe j through hole on the right plane of the bucket rod; four threaded rods of the X-piston type energy accumulator sequentially penetrate through a threaded rod j1 through hole to a threaded rod j4 through hole in the right plane of the bucket rod, and then each threaded rod sequentially penetrates through a threaded rod fastening hexagon nut group to install the X-piston type energy accumulator on the right plane of the bucket rod; and finally, the left plane of the bucket rod and the right plane of the bucket rod are respectively installed on the left side and the right side of the movable arm intermediate body through welding so as to complete installation of the bucket rod energy storage device.
Preferably, the piston type energy accumulator is fixed with the movable arm and the bucket rod in a threaded connection mode.
Preferably, the piston type energy accumulators are vertically distributed in the movable arm and the bucket rod.
Preferably, the vertical distributed hydraulic energy storage device controls the energy recovery and release of each energy storage device by adopting a wireless data transceiver.
Preferably, the measuring module and the control module of each piston type energy accumulator are provided with WiFi nodes, all data are collected on the wireless data transceiver, and then control commands are sent out through WiFi.
By the invention, we mainly solve the following problems:
aiming at the problem 1, a hydraulic energy accumulator is placed in a cavity of a movable arm and a bucket rod of a working mechanism, so that elements of an engine cabin are more reasonably arranged;
aiming at the problem 2, a plurality of hydraulic energy accumulators are arranged in cavities of a movable arm and a bucket rod, pre-pressure adjusting ports can be arranged for the energy accumulators from the outside, and the plurality of hydraulic energy accumulators are used simultaneously, so that the problem of large pressure fluctuation of a hydraulic energy storage device can be effectively solved;
aiming at the problem 3, as the hydraulic energy accumulators are arranged in the cavities of the movable arm and the bucket rod, the distance from the oil port of the energy accumulator to the driving hydraulic cylinder is greatly shortened, the movable arm hydraulic cylinder, the bucket rod hydraulic cylinder and the like can be directly driven, and the huge energy consumption caused by the long distance of the pipeline is reduced;
to problem 4, in order to reduce the control complexity of the hydraulic accumulator, oil port pressure of hydraulic energy storage is wirelessly acquired and controlled by an industrial WiFi framework, and tedious acquisition and cable access control are omitted.
Other aspects, objects, and advantages of the invention will become apparent from the following description taken in conjunction with the accompanying drawings.
Drawings
The accompanying drawings incorporated in and forming a part of the specification illustrate several aspects of the present invention and, together with the description, serve to explain the principles of the invention.
FIG. 1 is an overall view of the present invention;
FIG. 2 is a schematic view of the piston accumulator of the present invention;
FIG. 3 is a schematic illustration of the present invention with the boom disassembled;
FIG. 4 is a schematic diagram of the main mounting elements of the boom built-in vertical distributed accumulator of the present invention;
FIG. 5 is a schematic illustration of the boom built-in vertical distributed energy storage apparatus installation of the present invention;
FIG. 6 is a schematic illustration of the present invention with the dipper detached;
FIG. 7 is a schematic diagram of the main mounting elements of the boom built-in vertical distributed accumulator of the present invention;
FIG. 8 is a schematic view of the installation of the internal vertical distributed energy storage device of the stick of the present invention;
fig. 9 is a schematic diagram of the operating principle of the wireless data receiver of the present invention.
The reference numbers are as follows:
100-a boom; 101-boom left plane; 102-boom intermediate; 103-boom right plane; 104-oil pipe a port; 104-1 to 104-4-threaded rod a1 through port to threaded rod a4 through port; 105-oil pipe b port; 105-1 to 105-4-threaded rod b1 through port to threaded rod b4 through port; 106-oil pipe c port; 106-1 to 106-4-threaded rod c1 through port to threaded rod c4 through port; 107-d port of oil pipe; 107-1 to 107-4-threaded rod d1 through port to threaded rod d4 through port; 200-a boom cylinder; 300-a bucket rod oil cylinder; 400-bucket rod; 401-left plane of bucket rod; 402-bucket rod intermediate; 403-bucket rod right plane; 404-oil pipe e port; 404-1 to 404-4-threaded rod e1 through port to threaded rod e4 through port; 405-tubing f port; 405-1 to 405-4-threaded rod f1 through port to threaded rod f4 through port; 406-tubing g port; 406-1 to 406-4-threaded rod g1 through port to threaded rod g4 through port; 407-oil pipe h port; 407-1 to 407-4-threaded rod h1 through port to threaded rod h4 through port; 408-oil pipe i port; 408-1 to 408-4-threaded rod i1 through port to threaded rod i4 through port; 409-oil pipe j port; 409-1 to 409-4-threaded rod j1 through openings to threaded rod j4 through openings; 500-bucket cylinder; 600-a bucket; 700-piston accumulator; 701-oil pipe; 702-an oil end cap; 703 a-clamp a; 704-cylinder block; 703 b-clamp b; 705-gas end cap; 706-vent plug; 707-oil port; 708-a piston; 709-gas port; 710 a-710 d-clamp-cylinder fastening hexagon nut; 711 a-711 d-clamp-threaded rod fastening hexagon nuts; 712 a-712 d-threaded rods; 713 a-713 d-threaded rod fastening hexagonal nut sets; 714 a-714 d-clamp-cylinder body threaded column; I-700-I-piston accumulator; i-712a to I-712 d-threaded rod; i-713 a-I-713 d-threaded rod fastening hexagon nut sets; II-700-II-piston accumulator; II-712a to II-712 d-threaded rod; II-713 a-II-713 d-threaded rod fastening hexagonal nut sets; III-700-III-piston accumulators; III-712a to III-712 d-threaded rod; III-713 a-III-713 d-threaded rod fastening hexagonal nut group; IV-700-IV-piston accumulators; IV-712 a-IV-712 d-threaded rod; IV-713 a-IV-713 d-threaded rod fastening hexagon nut groups; a V-700-V-piston accumulator; v-712a to V-712 d-threaded rod; fastening a hexagonal nut group on the V-713 a-V-713 d-threaded rod; VI-700-VI-piston accumulator; VI-712 a-VI-712 d-threaded rod; VI-713 a-VI-713 d-threaded rod fastening hexagonal nut groups; VII-700-VII-piston accumulator; VII-712 a-VII-712 d-threaded rod; VII-713 a-VII-713 d-threaded rod fastening hexagonal nut group; VIII-700-VIII-piston accumulator; VIII-712a to VIII-712 d-threaded rods; VIII-713 a-VIII-713 d-threaded rod fastening hexagonal nut group; IX-700-IX-piston accumulator; IX-712 a-IX-712 d-threaded rod; IX-713 a-IX-713 d-threaded rod fastening hexagonal nut sets; an X-700-X-piston accumulator; x-712a to X-712 d-threaded rod; the X-713a to X-713d threaded rods fasten the hexagonal nut sets.
Detailed Description
In order to further explain the technical scheme of the invention, the following detailed description is combined with the accompanying drawings.
As shown in fig. 1, a vertical distribution type hydraulic energy storage device built in an excavator working mechanism includes a boom 100, a boom cylinder 200, an arm cylinder 300, an arm 400, a bucket cylinder 500, a bucket 600, and an energy storage 700;
the method is characterized in that:
four vertical distributed piston accumulators are fixed inside the movable arm 100 through threaded connection;
six vertical distributed piston type energy accumulators are fixedly connected inside the bucket rod 400 through threads;
as shown in fig. 2, the piston accumulator 700 includes an oil pipe 701, an oil end cover 702, a hoop 703a, a cylinder 704, a hoop 703b, an air end cover 705, an air port plug 706, an oil port 707, a piston 708, an air port 709, four hoop-cylinder fastening hexagon nuts 710 a-710 d, four hoop-threaded rod fastening hexagon nuts 711 a-711 d, four threaded rods 712 a-712 d, four threaded rod fastening hexagon nut sets 713 a-713 d, and four hoop-cylinder threaded columns 714 a-714 d, wherein the piston 708 can freely slide in the cylinder 704, and the pre-charge pressure of the piston accumulator 700 is set when the piston accumulator is first installed;
as shown in fig. 3, the boom 100 includes a boom left plane 101, a boom middle body 102, and a boom right plane 103; an oil pipe a through hole 104, a threaded rod a1 through hole 104-1-a threaded rod a4 through hole 104-4, an oil pipe b through hole 105, a threaded rod b1 through hole 105-1-a threaded rod b4 through hole 105-4 are distributed on the movable arm left side plane 101; an oil pipe c through hole 106, a threaded rod c1 through hole 106-1-a threaded rod c4 through hole 106-4, an oil pipe d through hole 107 and a threaded rod d1 through hole 107-1-a threaded rod d4 through hole 107-4 are distributed on the movable arm right side plane 103;
referring to fig. 3 and 4, as shown in fig. 5, the installation of the boom built-in hydraulic energy storage device is described as follows:
an oil pipe I-701 of the I-piston type energy accumulator I-700 penetrates through an oil pipe a through hole 104 on the left side plane 101 of the movable arm; four threaded rods I-712 a-I-712 d of the I-piston type energy accumulator I-700 sequentially penetrate through a threaded rod a1 through port 104-1-a 4 through port 104-4 on the movable arm left side plane 101, and then each threaded rod I-712 a-I-712 d sequentially passes through a threaded rod fastening hexagon nut group I-713 a-I-713 d to install the I-piston type energy accumulator I-700 on the movable arm left side plane 101; an oil pipe II-701 of the II-piston type energy accumulator II-700 penetrates through an oil pipe b through hole 105 on the left side plane 101 of the movable arm; four threaded rods II-712 a-II-712 d of the II-piston type energy accumulator II-700 sequentially penetrate through a threaded rod b1 through port 105-1-a threaded rod b4 through port 105-4 on the movable arm left side plane 101, and then each threaded rod II-712 a-II-712 d sequentially passes through a threaded rod fastening hexagon nut group II-713 a-II-713 d to install the II-piston type energy accumulator II-700 on the movable arm left side plane 101;
the oil pipe III-701 of the III-piston type energy accumulator III-700 penetrates through an oil pipe c through hole 106 in the right side plane 103 of the movable arm; four threaded rods III-712 a-III-712 d of the III-piston type energy accumulator III-700 sequentially penetrate through a threaded rod c1 through port 106-1-a threaded rod c4 through port 106-4 on the right side plane 103 of the movable arm, and then each threaded rod III-712 a-III-712 d sequentially passes through a threaded rod fastening hexagon nut group III-713 a-III-713 d to install the III-piston type energy accumulator III-700 on the right side plane 103 of the movable arm; the oil pipe IV-701 of the IV-piston type accumulator IV-700 penetrates through an oil pipe d port 107 on the right side plane 103 of the movable arm; four threaded rods IV-712 a-IV-712 d of the IV-piston type energy accumulator IV-700 sequentially penetrate through a threaded rod d1 through port 107-1-a threaded rod d4 through port 107-4 on the right side plane 103 of the movable arm, and then each threaded rod IV-712 a-IV-712 d sequentially passes through a threaded rod fastening hexagon nut group IV-713 a-III-713 d to install the IV-piston type energy accumulator IV-700 on the right side plane 103 of the movable arm; finally, a movable arm left side plane 101 and a movable arm right side plane 103 are respectively installed on the left side and the right side of the movable arm intermediate body 102 through welding so as to complete installation of the movable arm energy storage device;
as shown in fig. 6, the arm 400 includes an arm left plane 401, an arm middle body 402, and an arm right plane 403; an oil pipe e through port 404, a threaded rod e1 through port 404-1-a threaded rod e4 through port 404-4, an oil pipe f through port 405, a threaded rod f1 through port 405-1-a threaded rod f4 through port 405-4, an oil pipe g through port 406, a threaded rod g1 through port 406-1-a threaded rod g4 through port 406-4 are distributed on the left side plane 401 of the bucket rod; an oil pipe h through opening 407, a threaded rod h1 through opening 407-1 through a threaded rod h4 through opening 407-4, an oil pipe i through opening 408, a threaded rod i1 through opening 408-1 through a threaded rod i4 through opening 408-4, an oil pipe j through opening 409, a threaded rod j1 through opening 409-1 through a threaded rod j4 through opening 409-4 are distributed on the right side plane 403 of the bucket rod;
referring to fig. 6 and 7, as shown in fig. 8, the installation of the hydraulic energy storage device built in the arm is explained as follows:
an oil pipe V-701 of the V-piston type energy accumulator V-700 penetrates through an oil pipe e through hole 404 on the left side plane 401 of the arm; four threaded rods V-712 a-V-712 d of the V-piston type energy accumulator V-700 sequentially penetrate through a threaded rod e1 through port 404-1-a threaded rod e4 through port 404-4 on the left side plane 401 of the bucket rod, and then each threaded rod V-712 a-V-712 d sequentially passes through a threaded rod fastening hexagon nut group V-713 a-V-713 d to install the V-piston type energy accumulator V-700 on the left side plane 401 of the bucket rod; an oil pipe VI-701 of the VI-piston type energy accumulator VI-700 penetrates through an oil pipe f through hole 405 on the left side plane 401 of the bucket rod; the four threaded rods VI-712 a-VI-712 d of the VI-piston type energy accumulator VI-700 sequentially penetrate through a threaded rod f1 through port 405-1-a threaded rod f4 through port 405-4 on the left side plane 401 of the bucket rod, and then each threaded rod VI-712 a-VI-712 d sequentially passes through a threaded rod fastening hexagon nut group VI-713 a-VI-713 d to install the VI-piston type energy accumulator VI-700 on the left side plane 401 of the bucket rod; an oil pipe VII-701 of the VII-piston type accumulator VII-700 penetrates through an oil pipe g through hole 406 on the left side plane 401 of the arm; four threaded rods VII-712 a-VII-712 d of the VII-piston type energy accumulator VII-700 sequentially penetrate through a threaded rod g1 through port 406-1-a threaded rod g4 through port 406-4 on the left side plane 401 of the bucket rod, and then each threaded rod VII-712 a-VII-712 d sequentially passes through a threaded rod fastening hexagon nut group VII-713 a-VII-713 d to install the VII-piston type energy accumulator VII-700 on the left side plane 401 of the bucket rod;
an oil pipe VIII-701 of the VIII-piston type energy accumulator VIII-700 penetrates through an oil pipe h through hole 407 in a plane 403 on the right side of the bucket rod; four threaded rods VIII-712 a-VIII-712 d of the VIII-piston type energy accumulator VIII-700 sequentially penetrate through a threaded rod h1 through port 407-1-a threaded rod h4 through port 407-4 on the right side plane 403 of the bucket rod, and then each threaded rod VIII-712 a-VIII-712 d sequentially passes through a threaded rod fastening hexagon nut group VIII-713 a-VIII-713 d to install the VIII-piston type energy accumulator VIII-700 on the right side plane 403 of the bucket rod; an oil pipe IX-701 of the IX-piston type energy accumulator IX-700 penetrates through an oil pipe i through opening 408 on a right side plane 403 of the bucket rod; four threaded rods IX-712 a-IX-712 d of the IX-piston type energy accumulator IX-700 sequentially penetrate through a threaded rod i1 through port 408-1-a threaded rod i4 through port 408-4 on the right side plane 403 of the bucket rod, and then each threaded rod IX-712 a-IX-712 d sequentially passes through a threaded rod fastening hexagon nut group IX-713 a-IX-713 d to install the IX-piston type energy accumulator IX-700 on the right side plane 403 of the bucket rod; an oil pipe X-701 of the X-piston type energy accumulator X-700 penetrates through an oil pipe j through hole 409 on a right side plane 403 of the bucket rod; four threaded rods X-712 a-X-712 d of the X-piston type energy accumulator X-700 sequentially penetrate through a threaded rod j1 through port 409-1-a threaded rod j4 through port 409-4 on the right side plane 403 of the bucket rod, and then each threaded rod X-712 a-X-712 d sequentially passes through a threaded rod fastening hexagon nut group X-713 a-X-713 d to install the X-piston type energy accumulator X-700 on the right side plane 403 of the bucket rod; finally, the arm left plane 401 and the arm right plane 403 are respectively installed on the left side and the right side of the boom middle body 402 by welding to complete installation of the arm energy storage device.
The piston accumulator 700 is fixed with the boom 100 and the arm 400 by means of screw coupling.
The piston accumulators 700 are vertically distributed in the boom 100 and the stick 400.
The vertical distributed hydraulic energy storage device controls the energy recovery and release of each energy accumulator I-700-X-700 through a wireless data transceiver.
The measuring module and the control module of each piston type energy accumulator I-700-X-700 are provided with WiFi nodes, all data are collected on the wireless data transceiver, and then control commands are sent out through WiFi.
As shown in fig. 9, the specific working principle of the present invention is described as follows:
in the first step, when the boom 100 and the arm 400 start to descend, the pressure of the hydraulic circuit in the system starts to rise. The piston accumulator 700 disposed in the boom 100 and the arm 400 is mainly used to recover potential energy generated by the lowering of the boom 100 and the arm 400 until the system line pressure does not rise any more;
secondly, when the measuring module of the pressure sensor displays that the system pressure begins to decrease, a measuring signal is sent to the wireless data receiver through industrial WiFi, then a control command is sent to the control module of the two-position two-way electromagnetic directional valve through WiFi, the valve of the control valve is opened, and the energy stored in the piston type energy accumulator 700 is supplied to the system;
thirdly, when the measuring module of the pressure sensor shows that the system pressure is increased, the piston accumulator 700 restarts to store energy. Firstly, a measurement signal is sent to the wireless data transceiver through WiFi, then the wireless data transceiver sends a control signal to the control module of the two-position two-way electromagnetic directional valve through WiFi, the valve of the control valve is closed, and the piston type energy accumulator 700 starts to store energy again.
The measuring module and the control module of each piston type energy accumulator I-700-X-700 are provided with WiFi nodes, all data are collected on the wireless data transceiver, and then control commands are sent out through WiFi.
Claims (5)
1. The invention discloses a built-in vertical distributed hydraulic energy storage device of an excavator working mechanism, which comprises a movable arm (100), a movable arm oil cylinder (200), an arm oil cylinder (300), an arm (400), a bucket oil cylinder (500), a bucket (600) and a piston type energy accumulator (700);
the method is characterized in that:
four vertical distributed piston type energy accumulators (I-700-IV-700) are fixedly connected in the movable arm (100) through threads;
six vertical distributed piston type energy accumulators (V-700-X-700) are fixedly connected inside the bucket rod (400) through threads;
the piston type energy accumulator (700) comprises an oil pipe (701), an oil end cover (702), a hoop (703 a), a cylinder body (704), a hoop (703 b), an air end cover (705), an air port plug (706), an oil port (707), a piston (708), an air port (709), four hoop-cylinder body fastening hexagon nuts (710 a-710 d), four hoop-threaded rod fastening hexagon nuts (711 a-711 d), four threaded rods (712 a-712 d), four threaded rod fastening hexagon nut groups (713 a-713 d) and four hoop-cylinder body threaded columns (714 a-714 d), wherein the piston (708) can freely slide in the cylinder body (704), and the pre-charging pressure of the piston type energy accumulator (700) is set when the piston type energy accumulator is installed for the first time;
the movable arm (100) comprises a movable arm left side plane (101), a movable arm intermediate body (102) and a movable arm right side plane (103); an oil pipe a through hole (104), a threaded rod a1 through hole (104-1) -a threaded rod a4 through hole (104-4), an oil pipe b through hole (105), a threaded rod b1 through hole (105-1) -a threaded rod b4 through hole (105-4) are distributed on the movable arm left side plane (101); an oil pipe c through hole (106), a threaded rod c1 through hole (106-1) -a threaded rod c4 through hole (106-4), an oil pipe d through hole (107), a threaded rod d1 through hole (107-1) -a threaded rod d4 through hole (107-4) are distributed on the movable arm right side plane (103);
an oil pipe (I-701) of the I-piston type energy accumulator (I-700) penetrates through an oil pipe a through hole (104) in a left side plane (101) of the movable arm; four threaded rods (I-712 a-I-712 d) of the I-piston type energy accumulator (I-700) sequentially penetrate through a threaded rod a1 through port (104-1) to a threaded rod a4 through port (104-4) on the movable arm left side plane (101), and then each threaded rod (I-712 a-I-712 d) sequentially passes through a threaded rod fastening hexagon nut group (I-713 a-I-713 d) to install the I-piston type energy accumulator (I-700) on the movable arm left side plane (101); an oil pipe (II-701) of the II-piston type energy accumulator (II-700) penetrates through an oil pipe b through hole (105) on the left side plane (101) of the movable arm; four threaded rods (II-712 a-II-712 d) of the II-piston type energy accumulator (II-700) sequentially penetrate through a threaded rod b1 through port (105-1) to a threaded rod b4 through port (105-4) on the movable arm left side plane (101), and then each threaded rod (II-712 a-II-712 d) sequentially passes through a threaded rod fastening hexagon nut group (II-713 a-II-713 d) to install the II-piston type energy accumulator (II-700) on the movable arm left side plane (101);
the oil pipe (III-701) of the III-piston type accumulator (III-700) penetrates through an oil pipe c through hole (106) on the right side plane (103) of the movable arm; four threaded rods (III-712 a-III-712 d) of the III-piston type energy accumulator (III-700) sequentially penetrate through a threaded rod c1 through port (106-1) to a threaded rod c4 through port (106-4) on a movable arm right side plane (103), and then each threaded rod (III-712 a-III-712 d) sequentially passes through a threaded rod fastening hexagon nut group (III-713 a-III-713 d) to install the III-piston type energy accumulator (III-700) on the movable arm right side plane (103); the oil pipe (IV-701) of the IV-piston type energy accumulator (IV-700) penetrates through an oil pipe d port (107) on the right side plane (103) of the movable arm; four threaded rods (IV-712 a-IV-712 d) of the IV-piston type energy accumulator (IV-700) sequentially penetrate through a threaded rod d1 through port (107-1) to a threaded rod d4 through port (107-4) on the right side plane (103) of the movable arm, and then each threaded rod (IV-712 a-IV-712 d) sequentially passes through a threaded rod fastening hexagon nut group (IV-713 a-III-713 d) to install the IV-piston type energy accumulator (IV-700) on the right side plane (103) of the movable arm; finally, a movable arm left side plane (101) and a movable arm right side plane (103) are respectively installed on the left side and the right side of the movable arm intermediate body (102) through welding so as to complete installation of the movable arm energy storage device;
the bucket rod (400) comprises a bucket rod left side plane (401), a bucket rod middle body (402) and a bucket rod right side plane (403); an oil pipe e through hole (404), a threaded rod e1 through hole (404-1) -a threaded rod e4 through hole (404-4), an oil pipe f through hole (405), a threaded rod f1 through hole (405-1) -a threaded rod f4 through hole (405-4), an oil pipe g through hole (406), a threaded rod g1 through hole (406-1) -a threaded rod g4 through hole (406-4) are distributed on the left side plane (401) of the bucket rod; an oil pipe h through opening (407), a threaded rod h1 through opening (407-1) -a threaded rod h4 through opening (407-4) 4, an oil pipe i through opening (408), a threaded rod i1 through opening (408-1) -a threaded rod i4 through opening (408-4), an oil pipe j through opening (409), a threaded rod j1 through opening (409-1) -a threaded rod j4 through opening (409-4) are distributed on the right side plane (403) of the bucket rod;
an oil pipe (V-701) of the V-piston type energy accumulator (V-700) penetrates through an oil pipe e through hole (404) in the left side plane (401) of the bucket rod; four threaded rods (V-712 a-V-712 d) of the V-piston type energy accumulator (V-700) sequentially penetrate through a threaded rod e1 through port (404-1) to a threaded rod e4 through port (404-4) on the left side plane (401) of the bucket rod, and then each threaded rod (V-712 a-V-712 d) sequentially passes through a threaded rod fastening hexagon nut group (V-713 a-V-713 d) to install the V-piston type energy accumulator (V-700) on the left side plane (401) of the bucket rod; an oil pipe (VI-701) of the VI-piston type energy accumulator (VI-700) penetrates through an oil pipe f through hole (405) on the left side plane (401) of the bucket rod; four threaded rods (VI-712 a-VI-712 d) of the VI-piston type energy accumulator (VI-700) sequentially penetrate through a threaded rod f1 through port (405-1) to a threaded rod f4 through port (405-4) on the left side plane (401) of the bucket rod, and then each threaded rod (VI-712 a-VI-712 d) sequentially passes through a threaded rod fastening hexagon nut group (VI-713 a-VI-713 d) to install the VI-piston type energy accumulator (VI-700) on the left side plane (401) of the bucket rod; an oil pipe (VII-701) of the VII-piston type energy accumulator (VII-700) penetrates through an oil pipe g through hole (406) on a left side plane (401) of the bucket rod; four threaded rods (VII-712 a-VII-712 d) of the VII-piston type energy accumulator (VII-700) sequentially penetrate through a threaded rod g1 through port (406-1) to a threaded rod g4 through port (406-4) on the left side plane (401) of the bucket rod, and then each threaded rod (VII-712 a-VII-712 d) sequentially passes through a threaded rod fastening hexagon nut group (VII-713 a-VII-713 d) to install the VII-piston type energy accumulator (VII-700) on the left side plane (401) of the bucket rod;
an oil pipe (VIII-701) of the VIII-piston type energy accumulator (VIII-700) penetrates through an oil pipe h through hole (407) in the plane (403) on the right side of the bucket rod; four threaded rods (VIII-712 a-VIII-712 d) of the VIII-piston type energy accumulator (VIII-700) sequentially penetrate through a threaded rod h1 through port (407-1) to a threaded rod h4 through port (407-4) on a bucket rod right side plane (403), and then each threaded rod (VIII-712 a-VIII-712 d) sequentially passes through a threaded rod fastening hexagon nut set (VIII-713 a-VIII-713 d) to install the VIII-piston type energy accumulator (VIII-700) on the bucket rod right side plane (403); the oil pipe (IX-701) of the IX-piston type energy accumulator (IX-700) penetrates through an oil pipe i through hole (408) on the right side plane (403) of the bucket rod; four threaded rods (IX-712 a-IX-712 d) of the IX-piston type energy accumulator (IX-700) sequentially penetrate through a threaded rod i1 through hole (408-1) to a threaded rod i4 through hole (408-4) in the bucket rod right side plane (403), and then each threaded rod (IX-712 a-IX-712 d) sequentially passes through a threaded rod fastening hexagon nut group (IX-713 a-IX-713 d) to install the IX-piston type energy accumulator (IX-700) on the bucket rod right side plane (403); an oil pipe (X-701) of the X-piston type energy accumulator (X-700) penetrates through an oil pipe j through hole (409) in a plane (403) on the right side of the bucket rod; four threaded rods (X-712 a-X-712 d) of the X-piston type energy accumulator (X-700) sequentially penetrate through a threaded rod j1 through opening (409-1) to a threaded rod j4 through opening (409-4) on a bucket rod right side plane (403), and then each threaded rod (X-712 a-X-712 d) sequentially passes through a threaded rod fastening hexagon nut group (X-713 a-X-713 d) to install the X-piston type energy accumulator (X-700) on the bucket rod right side plane (403); finally, a left plane (401) and a right plane (403) of the bucket rod are respectively installed on the left side and the right side of the movable arm intermediate body (402) through welding so as to complete installation of the bucket rod energy storage device;
the specific working principle of the vertical distributed hydraulic energy storage device is described as follows:
the method comprises the following steps that firstly, when a movable arm (100) and an arm (400) start to descend, the pressure of a hydraulic circuit in a system starts to rise; the piston type energy accumulator (700) arranged in the movable arm (100) and the arm (400) is mainly used for recovering potential energy generated by descending of the movable arm (100) and the arm (400) until the system pipeline pressure does not rise any more;
secondly, when a measuring module of the pressure sensor displays that the pressure of the system begins to decrease, a measuring signal is sent to a wireless data receiver through industrial WiFi, then a control command is sent to a control module of the two-position two-way electromagnetic directional valve through WiFi, a valve of the control valve is opened, and the energy stored by the piston type energy accumulator (700) is supplied to the system;
thirdly, when the measuring module of the pressure sensor displays that the system pressure is increased, the piston type energy accumulator (700) starts to store energy again; firstly, a measurement signal is sent to a wireless data transceiver through WiFi, then the wireless data transceiver sends a control signal to a control module of the two-position two-way electromagnetic directional valve through WiFi, the valve of the control valve is closed, and the piston type energy accumulator (700) starts to store energy again;
according to the invention, the measurement module and the control module of each piston type energy accumulator (I-700-X-700) are provided with WiFi nodes, all data are summarized on the wireless data transceiver, and then a control command is sent out through WiFi.
2. The built-in vertical distributed hydraulic energy storage device of the excavator working mechanism according to claim 1, characterized in that: the piston type energy accumulator (700) is fixed with the movable arm (100) and the bucket rod (400) in a threaded connection mode.
3. The built-in vertical distributed hydraulic energy storage device of the excavator working mechanism according to claim 1, characterized in that: the piston type energy accumulator (700) is vertically distributed in the movable arm (100) and the bucket rod (400).
4. The built-in vertical distributed hydraulic energy storage device of the excavator working mechanism according to claim 1, characterized in that: the vertical distributed hydraulic energy storage device controls energy recovery and release of each energy accumulator (I-700-X-700) by adopting a wireless data transceiver.
5. The built-in vertical distributed hydraulic energy storage device of the excavator working mechanism according to claim 1, characterized in that: the measuring module and the control module of each piston type energy accumulator (I-700-X-700) are provided with WiFi nodes, all data are collected on the wireless data transceiver, and then control commands are sent out through WiFi.
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| CN202110041292.3A CN112681418A (en) | 2021-01-13 | 2021-01-13 | Excavator operating device embeds perpendicular distributing type hydraulic pressure energy memory |
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| CN202110041292.3A CN112681418A (en) | 2021-01-13 | 2021-01-13 | Excavator operating device embeds perpendicular distributing type hydraulic pressure energy memory |
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Application publication date: 20210420 |