CN113357211A - Assembled movable power cabin for cantilever excavator and system thereof - Google Patents
Assembled movable power cabin for cantilever excavator and system thereof Download PDFInfo
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- CN113357211A CN113357211A CN202110547917.3A CN202110547917A CN113357211A CN 113357211 A CN113357211 A CN 113357211A CN 202110547917 A CN202110547917 A CN 202110547917A CN 113357211 A CN113357211 A CN 113357211A
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- 239000003921 oil Substances 0.000 claims abstract description 103
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 12
- 239000010729 system oil Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 7
- 239000002283 diesel fuel Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/08—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for adjusting parts of the machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20523—Internal combustion engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Abstract
The invention discloses an assembled movable power cabin for a cantilever excavator, which comprises a movable power cabin body, wherein the movable power cabin body comprises a frame body, a radiator, a diesel engine, a diesel oil tank and a hydraulic oil tank which are sequentially arranged in the frame body from left to right; the assembled movable power cabin system for the cantilever excavator comprises the assembled movable power cabin for the cantilever excavator and further comprises an original hydraulic element of the cantilever excavator, and the hydraulic element is connected with the control ball valve group through a complete machine switching ball valve group arranged on the movable power cabin body. According to the invention, each oil port of the movable power cabin is connected with the original hydraulic element, and the quick switching of the double power sources of the cantilever excavator is realized by selectively opening and closing the ball valve group I and the ball valve group II arranged on the movable power cabin, so that the cantilever excavator is practically applied to a plurality of construction sites, and the allocation and transportation distance and the allocation and transportation efficiency are greatly improved.
Description
Technical Field
The invention relates to the technical field of mining and tunnel construction equipment, in particular to an assembled movable power cabin for a cantilever excavator and a system thereof.
Background
The cantilever type heading machine is core equipment for tunneling work of tunnels such as coal mine tunnels, highway tunnels, railway tunnels, water conservancy tunnels and the like. The high-voltage electricity transmission path used by the cantilever excavator is as follows: an external power grid is transmitted to a transformer substation, a cable is connected to a transformer through the transformer substation, after voltage is converted into suitable voltage, the voltage is connected with the cantilever excavator through a cable with the length of hundreds of meters, and therefore the excavator motor is driven to rotate, the hydraulic pump is driven to work, and the excavator works normally. Under the condition, the length of the cable connected with the cantilever excavator cannot be infinitely lengthened due to voltage drop or energy conservation consideration. Under some special conditions, no transformer is arranged near the assembly site of the cantilever excavator or the length of a cable needing to be connected is too long, so that power supply cannot be relied on, and the cantilever excavator cannot walk. In addition, one cantilever excavator has the condition of excavating two working faces simultaneously, and only the transformer can be frequently moved and the power supply cable is dragged, so that a large amount of manpower and material resources are wasted in the adjustment and transportation process of the cantilever excavator, and the construction efficiency is reduced.
In the prior art, patent document CN2016106931078 discloses a movable power source device of a heading machine, which is a fixed power source device, that is, the power source device is placed at a fixed place and connected to a multi-way valve for controlling the boom heading machine to travel by using a rubber pipe. The rubber tube needs to be frequently disassembled in the adjustment and transportation process of the cantilever excavator, the length of the rubber tube is increased, the operation is complicated, the excavator can only be controlled to walk, and the control action is single; in addition, patent document No. CN2014204291088 discloses an electric diesel dual-drive heading machine, but only describes an installation mode of a dual power source, that is, only discloses a dragging type installation and a corresponding mechanism thereof, and the rest of the structure and the principle are not described.
Therefore, there is a need to provide a new technical solution to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides an assembled movable power cabin for a cantilever excavator and a system thereof, which can realize the quick switching of two power sources of diesel engine driving and electric energy on the basis of not changing the original configuration of the cantilever excavator, do not need to disassemble any element and rubber pipe in the switching process and are convenient and fast to operate.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an assembled movable power cabin for a cantilever excavator comprises a movable power cabin body, wherein the movable power cabin body comprises a frame body, and a radiator, a diesel engine, a diesel oil tank and a hydraulic oil tank which are sequentially arranged in the frame body from left to right;
the frame body is provided with a first hydraulic pump driven by a diesel engine through a coupler to drive a gearbox, and the first hydraulic pump is connected to the control ball valve group and the hydraulic oil tank.
Furthermore, the control ball valve group is connected with a hydraulic oil tank through an oil pipe.
Further, one side wall of each of the diesel oil tank and the hydraulic oil tank is abutted and welded to form a whole.
The assembled movable power cabin system for the cantilever excavator comprises the assembled movable power cabin for the cantilever excavator and further comprises original hydraulic elements of the cantilever excavator, wherein the hydraulic elements comprise a system oil leakage group, an oil tank oil leakage group, a pilot filter, a high-pressure filter, a proportional multi-way valve, a valve box oil return group, a hydraulic pump II and a shuttle valve, the hydraulic elements are connected with the control ball valve group through a complete machine switching ball valve group arranged on a movable power cabin body, and the complete machine switching ball valve group comprises a valve group I and a valve group II.
Furthermore, the first valve bank is connected with an oil return port of the movable power cabin body through a second valve bank to form an oil return pipeline at the first valve bank; an oil return pipe in the oil return group of the valve box is connected to a ball valve passage in an oil return pipeline at one position of the valve group; and an oil return port of the proportional multi-way valve is connected to a ball-free valve passage in an oil return pipeline at one position of the valve group through an oil pipe.
Furthermore, the first valve bank is connected with an oil drainage port of the movable power cabin body through a second valve bank to form an oil drainage pipeline at the first valve bank; the system oil drainage set is connected to a ball-free valve passage in an oil drainage pipeline at one position of the valve set through an oil pipe; and the oil discharging set of the oil tank is connected to a ball valve passage in an oil discharging pipeline of the first valve set through an oil pipe.
Furthermore, the first valve group is connected with a feedback oil port LS of the movable power cabin body through a second valve group to form a feedback pipeline at the first valve group; the shuttle valve oil port is connected to a ball-free valve passage in a feedback pipeline at the first valve group through an oil pipe; and the second X port of the hydraulic pump is connected to a ball valve passage in a feedback pipeline of the first valve group through an oil pipe.
Furthermore, the first valve group is connected with a signal control oil port K of the movable power cabin body through a second valve group to form a control port pipeline at the first valve group; and an oil inlet of the pilot filter is connected to a ball-free valve passage in a control port pipeline at one position of the valve group through an oil pipe.
Furthermore, the second P port of the hydraulic pump and the pressure oil port P of the movable power cabin body are both connected to a one-way valve, and the outlet of the one-way valve is connected to a high-pressure filter of the cantilever excavator through a pipeline.
The invention has the beneficial effects that:
the movable power cabin is selectively integrated on the cantilever excavator body and provided with the adaptive complete machine switching ball valve group, all oil ports of the movable power cabin are connected with the original hydraulic elements only by temporarily changing the original hydraulic elements and pipelines of the cantilever excavator, and the first ball valve group and the second ball valve group arranged on the movable power cabin are selectively opened and closed, so that the rapid transfer of the cantilever excavator under the condition of no high voltage is realized, the movable power cabin does not need to be disassembled under the condition of switching on the high voltage, the state of taking the high voltage as a power source is conveniently and rapidly switched to, and thus, the random switching between the diesel engine driving power source and the electric energy driving power source can be completed in a short time, any element and any rubber pipe pipeline do not need to be disassembled in the switching process, and the operation is convenient.
In the process of driving the adjustment and transportation of the cantilever excavator by using the diesel engine as a power source, the invention can also drive the cutting arm of the cantilever excavator to lift, swing, lift the shovel plate, lift the rear supporting leg and other equipment actions on the basis of driving the cantilever excavator to walk, namely, the invention controls all the actions of the cantilever excavator, has rich control actions, is used for assisting in avoiding obstacles in the adjustment and transportation process, quickly realizes the adjustment and transportation process, improves the construction efficiency, simultaneously utilizes the original operating handle in the cab of the cantilever excavator to finish the adjustment and transportation of the equipment, has the same operating mode as that of electric energy driving and has strong operating adaptability to operators.
The invention is actually applied to a plurality of construction sites, greatly improves the allocation and transportation distance and the allocation and transportation efficiency, and shows good market application prospect.
Drawings
Fig. 1 is a schematic structural diagram of a fabricated mobile power cabin for a cantilever excavator according to a first embodiment of the present invention.
Fig. 2 is a schematic diagram of distribution of oil ports of a fabricated movable power compartment for a cantilever excavator according to a first embodiment of the present invention.
Fig. 3 is a schematic view of an installation position of a fabricated movable power compartment for a cantilever excavator according to a first embodiment of the present invention.
Fig. 4 is a schematic diagram of connection between the mobile power compartment of the assembled mobile power compartment system for the cantilever excavator and the original hydraulic components of the cantilever excavator according to the first embodiment of the invention.
The reference numbers in the drawings are as follows:
the hydraulic control system comprises a frame body 1, a diesel engine 2, a diesel oil tank 3, a hydraulic oil tank 4, a control ball valve group 5, a first hydraulic pump 6, a radiator 7, a pressure oil port P8, a signal control oil port K9, a feedback oil port LS10, an oil return port 11, an oil discharge port 12, a system oil discharge group 13, an oil tank oil discharge group 14, a pilot filter 15, a high-pressure filter 16, a proportional multi-way valve 17, a valve box oil return group 18, a second hydraulic pump 19, a shuttle valve 20, a first valve group 21, a second valve group 22 and a one-way valve 23.
Detailed Description
The invention is further described with reference to the following figures and detailed description:
example one
As shown in fig. 1 to 4, the assembled movable power cabin for the cantilever excavator comprises a movable power cabin body, wherein the movable power cabin body comprises a frame body 1, and a radiator 7, a diesel engine 2, a diesel oil tank 3 and a hydraulic oil tank 4 which are sequentially arranged in the frame body 1 from left to right, a control ball valve group 5 is arranged at the top of the frame body 1, and oil ports of the control ball valve group 5 are a pressure oil port P8, a signal control oil port K9, a feedback oil port LS10, an oil return port 11 and an oil drain port 12;
the hydraulic control device is characterized in that a first hydraulic pump 6 driven by a diesel engine 2 through a coupler to drive a gearbox is arranged on the frame body 1, and the first hydraulic pump 6 is connected to the control ball valve group 5 and the hydraulic oil tank 4.
In this embodiment, the control ball valve set 5 is connected to the hydraulic oil tank 4 through an oil pipe.
In this embodiment, one side wall of each of the diesel tank 3 and the hydraulic tank 4 is welded to be abutted against each other.
The embodiment also provides an assembled movable power cabin system for the cantilever excavator, which comprises the assembled movable power cabin for the cantilever excavator and also comprises original hydraulic elements of the cantilever excavator, wherein the hydraulic elements comprise a system oil drainage group 13, an oil tank oil drainage group 14, a pilot filter 15, a high-pressure filter 16, a proportional multi-way valve 17, a valve box oil return group 18, a second hydraulic pump 19 and a shuttle valve 20, the hydraulic elements are connected with the control ball valve group 5 through a complete machine switching ball valve group arranged on the movable power cabin body, and the complete machine switching ball valve group comprises a first valve group 21 and a second valve group 22.
In this embodiment, the first valve group 21 is connected to the oil return port 11 of the movable power compartment body through the second valve group 22 to form an oil return pipeline at the first valve group 21; an oil return pipe in the valve box oil return group 18 is connected to a ball valve passage in an oil return pipeline at the first valve group 21; and an oil return port 11 of the proportional multi-way valve 17 is connected to a ball-free valve passage in an oil return pipeline at the first valve bank 21 through an oil pipe.
In the embodiment, the first valve group 21 is connected with an oil drainage port of the movable power compartment body through a second valve group 22 to form an oil drainage pipeline at the first valve group 21; the system oil drainage group 13 is connected to a ball-free valve passage in an oil drainage pipeline at the first valve group 21 through an oil pipe; the oil tank and oil discharge set 14 is connected to a ball valve passage in an oil discharge pipeline of the first valve set 21 through an oil pipe.
In this embodiment, the first valve group 21 is connected to the feedback oil port LS10 of the movable power compartment body through the second valve group 22 to form a feedback pipeline at the first valve group 21; an oil port of the shuttle valve 20 is connected to a ball-free valve passage in a feedback pipeline at the first valve group 21 through an oil pipe; and a 19X port of the second hydraulic pump is connected to a ball valve passage in a feedback pipeline of the first valve group 21 through an oil pipe.
In this embodiment, the first valve group 21 is connected to the signal control port K9 of the movable power compartment body through the second valve group 22 to form a control port pipeline at the first valve group 21; the oil inlet of the pilot filter 15 is connected to a ball-free valve passage in a control port pipeline at the first valve group 21 through an oil pipe.
In this embodiment, the port P of the second hydraulic pump 19 and the pressure port P8 of the movable power compartment body are both connected to the check valve 23, and the outlet of the check valve 23 is connected to the high-pressure filter 16 of the cantilever excavator through a pipeline; it is emphasized that the check valve 23 of the present invention is a high flow check valve and is independently removable.
Referring to fig. 3 again, in the embodiment, the movable power compartment body is installed and fixed to the rear side of the cab of the cantilever excavator, and meanwhile, the ball valve group one 21 and the ball valve group one 21 are respectively disposed at two ends of the movable power compartment body; it should be noted that the control ball valve group 5 in the present invention can be controlled by a control system integrated with the mobile power pod, and the structure and principle of the control system are the prior art and will not be described herein again.
The working principle is as follows:
on one hand, all the ball valves in the second ball valve group 22 of the movable power cabin body are rotated to be in an opening state, all the ball valves in the first ball valve group 21 are rotated to be in a closing state, at the moment, the cantilever excavator needs to be driven by the diesel engine 2 to be used as a power source, all the equipment can be operated through an original hydraulic control handle of the cantilever excavator, and the working condition is the allocation and transportation state of the cantilever excavator; in the allocation and transportation state, the cantilever excavator can adjust the walking speed in real time and can also operate other actions of the cantilever excavator to avoid obstacles and assist in completing allocation and transportation tasks;
on the other hand, all the ball valves in the second ball valve group 22 of the movable power cabin body are rotated to a closed state, all the ball valves in the first ball valve group 21 are rotated to an open state, at the moment, the cantilever excavator needs to use electric energy as a power source, and the working condition is a normal operation construction state of the cantilever excavator;
through the operation, a mode that one group is completely opened and the other group is completely closed is adopted, the striking mark is set, the misoperation is avoided, the switching operation between the dispatching state and the normal operation construction state can be quickly realized, the opening rate of the cantilever excavator is increased, and meanwhile, the hardware requirement on the secondary installation site of the cantilever excavator is reduced.
The above embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the invention, so that equivalent changes or modifications made based on the structure, characteristics and principles of the invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The assembled movable power cabin for the cantilever excavator comprises a movable power cabin body and is characterized in that the movable power cabin body comprises a frame body (1), and a radiator (7), a diesel engine (2), a diesel tank (3) and a hydraulic oil tank (4) which are sequentially arranged in the frame body (1) from left to right, wherein a control ball valve group (5) is arranged at the top of the frame body (1), and oil ports of the control ball valve group (5) are a pressure oil port P (8), a signal control oil port K (9), a feedback oil port LS (10), an oil return port (11) and an oil drainage port (12);
the hydraulic control device is characterized in that a first hydraulic pump (6) driven by a diesel engine (2) through a coupler to drive a gearbox is arranged on the frame body (1), and the first hydraulic pump (6) is connected to the control ball valve group (5) and the hydraulic oil tank (4).
2. The fabricated mobile power cabin for the cantilever excavator according to claim 1, wherein the control ball valve group (5) is connected with the hydraulic oil tank (4) through an oil pipe.
3. The fabricated mobile power pod for a cantilever excavator according to claim 1, wherein one side wall of each of the diesel tank (3) and the hydraulic tank (4) is welded against each other to be integrated.
4. The assembled movable power cabin system for the cantilever excavator comprises the assembled movable power cabin for the cantilever excavator according to any one of claims 1 to 3, and is characterized by further comprising original hydraulic elements of the cantilever excavator, wherein the hydraulic elements comprise a system oil drain group (13), an oil tank oil drain group (14), a pilot filter (15), a high-pressure filter (16), a proportional multi-way valve (17), a valve box oil return group (18), a second hydraulic pump (19) and a shuttle valve (20), the hydraulic elements are connected with the control ball valve group (5) through a complete machine switching ball valve group arranged on a movable power cabin body, and the complete machine switching ball valve group comprises a first valve group (21) and a second valve group (22).
5. The fabricated mobile power cabin system for the cantilever excavator according to claim 4, wherein the first valve group (21) is connected with the oil return port (11) of the mobile power cabin body through a second valve group (22) and forms an oil return pipeline at the first valve group (21);
an oil return pipe in the valve box oil return group (18) is connected to a ball valve passage in an oil return pipeline at the first valve group (21);
and an oil return port (11) of the proportional multi-way valve (17) is connected to a ball-free valve passage in an oil return pipeline at the first valve group (21) through an oil pipe.
6. The fabricated mobile power cabin system for the cantilever excavator according to claim 4, wherein the first valve group (21) is connected with an oil drainage port of the mobile power cabin body through a second valve group (22) to form an oil drainage pipeline at the first valve group (21);
the system oil drainage set (13) is connected to a ball-free valve passage in an oil drainage pipeline at the first valve set (21) through an oil pipe;
and the oil tank oil discharge set (14) is connected to a ball valve passage in an oil discharge pipeline of the first valve set (21) through an oil pipe.
7. The fabricated mobile power compartment system for the cantilever excavator according to claim 4, wherein the first valve group (21) is connected with the feedback oil port LS (10) of the mobile power compartment body through a second valve group (22) and forms a feedback pipeline at the first valve group (21);
an oil port of the shuttle valve (20) is connected to a ball-free valve passage in a feedback pipeline at a first valve group (21) through an oil pipe;
and an X port of the second hydraulic pump (19) is connected to a ball valve passage in a feedback pipeline of the first valve bank (21) through an oil pipe.
8. The fabricated mobile power compartment system for the cantilever excavator according to claim 4, wherein the first valve group (21) is connected with a signal control port K (9) of the mobile power compartment body through a second valve group (22) and forms a control port pipeline at the first valve group (21);
an oil inlet of the pilot filter (15) is connected to a ball-free valve passage in a control port pipeline at the first valve group (21) through an oil pipe.
9. The fabricated mobile power compartment system for the cantilever excavator according to claim 4, wherein the hydraulic pump II (19) P port and the pressure port P (8) of the mobile power compartment body are both connected to a check valve (23), and the outlet of the check valve (23) is connected to the high pressure filter (16) of the cantilever excavator through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110547917.3A CN113357211A (en) | 2021-05-19 | 2021-05-19 | Assembled movable power cabin for cantilever excavator and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110547917.3A CN113357211A (en) | 2021-05-19 | 2021-05-19 | Assembled movable power cabin for cantilever excavator and system thereof |
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| Publication Number | Publication Date |
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| CN113357211A true CN113357211A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110547917.3A Pending CN113357211A (en) | 2021-05-19 | 2021-05-19 | Assembled movable power cabin for cantilever excavator and system thereof |
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| CN (1) | CN113357211A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0838396A1 (en) * | 1996-10-25 | 1998-04-29 | DaimlerChrysler Aerospace Airbus Gesellschaft mit beschränkter Haftung | Power converting system for bidirectional conversion between hydraulic and electrical energy |
| US20130230376A1 (en) * | 2010-04-16 | 2013-09-05 | Movimatica Srl | Electrohydraulic hybrid lifting vehicle |
| CN103967061A (en) * | 2014-05-16 | 2014-08-06 | 江西华煤重装有限公司 | Excavating, crushing and scraper conveying belt reversed loading integrated machine |
| CN208888636U (en) * | 2018-11-12 | 2019-05-21 | 宝鸡博通智能装备有限公司 | A kind of electric-control system of self-propelled Operation Van |
| CN209142124U (en) * | 2018-10-22 | 2019-07-23 | 宝鸡中车时代工程机械有限公司 | The contact net upkeep operation vehicle of internal combustion alternating current drive suitable for long steep grade |
| CN211792858U (en) * | 2019-06-15 | 2020-10-30 | 丰疆智能科技股份有限公司 | Rice transplanter |
-
2021
- 2021-05-19 CN CN202110547917.3A patent/CN113357211A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0838396A1 (en) * | 1996-10-25 | 1998-04-29 | DaimlerChrysler Aerospace Airbus Gesellschaft mit beschränkter Haftung | Power converting system for bidirectional conversion between hydraulic and electrical energy |
| US20130230376A1 (en) * | 2010-04-16 | 2013-09-05 | Movimatica Srl | Electrohydraulic hybrid lifting vehicle |
| CN103967061A (en) * | 2014-05-16 | 2014-08-06 | 江西华煤重装有限公司 | Excavating, crushing and scraper conveying belt reversed loading integrated machine |
| CN209142124U (en) * | 2018-10-22 | 2019-07-23 | 宝鸡中车时代工程机械有限公司 | The contact net upkeep operation vehicle of internal combustion alternating current drive suitable for long steep grade |
| CN208888636U (en) * | 2018-11-12 | 2019-05-21 | 宝鸡博通智能装备有限公司 | A kind of electric-control system of self-propelled Operation Van |
| CN211792858U (en) * | 2019-06-15 | 2020-10-30 | 丰疆智能科技股份有限公司 | Rice transplanter |
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