CN206636882U - Energy regenerating reuse means and energy recycling system - Google Patents
Energy regenerating reuse means and energy recycling system Download PDFInfo
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- CN206636882U CN206636882U CN201720095473.3U CN201720095473U CN206636882U CN 206636882 U CN206636882 U CN 206636882U CN 201720095473 U CN201720095473 U CN 201720095473U CN 206636882 U CN206636882 U CN 206636882U
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Abstract
The utility model provides energy regenerating reuse means and system, is related to the field of operation machine walking braking.It is related to energy regenerating reuse means, including accumulator, valve block and electromagnet cut off valve, each electromagnet cut off valve is each equipped with a running motor jointing；The bottom connection valve block of accumulator, straight line is provided with and communicated with electromagnet cut off valve respectively for valve block both sides.Further relate to energy recycling system, including above-mentioned device, also include speed of travel detection encoder, running motor and electro-hydraulic reversing valve, speed of travel detection encoder connection running motor, the both ends of running motor connect the work oil inlet A and work oil return opening B of electro-hydraulic reversing valve respectively；Using the technical solution of the utility model, the stopping brake energy to be slatterned originally can be reclaimed, and be reused in the startup of equipment, save the energy.
Description
Technical field
The utility model is related to the technical field of operation machine walking braking, more particularly, to energy regenerating reuse means and
Energy recycling system.
Background technology
Forging manipulator is to clamp forging stock to coordinate hydraulic press or forging hammer to complete the main actions such as feeding, rotation, u-turn
Auxiliary metal forming machinery.Forging manipulator helps to improve working conditions, and improves production efficiency.As needed, forging manipulator
It can also be used for shove charge, come out of the stove, and remote control can be realized and linked with main frame.Forging manipulator structure is divided to two kinds of rail and trackless, its
The kind of drive has mechanical, fluid pressure type and hybrid etc..In addition, also have the forging manipulator dedicated for some aided processes,
Such as fill feeding operation machine and Manipulator.In order to coordinate the work of forging manipulator, forging stock panoramic table is also configured sometimes, with
Facilitate the u-turn of forging stock.In die forging and big part punching press, the application of manipulator is more prevalent, and such manipulator is actually
A kind of automatic forging manipulator.
The technical program carries out the adjustment of mode of braking, the braking of existing operation machine mainly for the operation machine of fluid pressure type
The energy is continual offer hydraulic oil, and fluid is just discharged after first use, and such fluid more wastes, and is unfavorable for the energy
Recycle, it is therefore desirable to it is a kind of new the apparatus and system of a fluid recycling to be improved the feature of environmental protection
Energy.
Utility model content
First purpose of the present utility model is to provide a kind of energy regenerating reuse means, can slattern script
Stopping brake energy reclaimed, and reuse in the startup of equipment, save the energy.
A kind of energy regenerating reuse means provided by the utility model, including accumulator, valve block and electromagnet cut off valve, often
Individual electromagnet cut off valve is each equipped with a running motor jointing；
The bottom connection valve block of the accumulator, straight line is provided with and communicated with electromagnet cut off valve respectively for the valve block both sides.
Further, the running motor jointing includes the first running motor jointing and the second running motor connects
Joint, electromagnet cut off valve include the first electromagnet cut off valve and the second electromagnet cut off valve；
First electromagnet cut off valve is oppositely arranged with the coaxial level of the second electromagnet cut off valve, and respectively with it is described
The connection of valve block is set；
The first running motor jointing, the second running motor jointing, first electromagnet cut off valve
Set in the same plane with each central shaft of second electromagnet cut off valve, also, the first running motor jointing
The lower section of first electromagnet cut off valve is arranged on, the second running motor jointing is arranged on the second electromagnetism cut-off
The lower section of valve.
Further, in addition to fixed block, it is provided with the fixed block for connecting first electromagnet cut off valve, institute
The cavity volume of the second electromagnet cut off valve, the first running motor jointing and the second running motor jointing is stated, and
And first electromagnet cut off valve, second electromagnet cut off valve, the first running motor jointing and second row
Motor jointing is walked to connect in the fixed block.
Further, in addition to auxiliary plate, the auxiliary plate are arranged on the side of the fixed block, and the auxiliary plate passes through fixed spiral shell
Bolt is fixedly mounted with the fixed block.
Second purpose of the present utility model is to provide a kind of energy recycling system, can slattern script
Stopping brake energy reclaimed, and reuse in the startup of equipment, save the energy.
A kind of energy recycling system provided by the utility model, including above-mentioned energy regenerating reuse means,
Also include speed of travel detection encoder, running motor and electro-hydraulic reversing valve, the speed of travel is detected described in encoder connection
Running motor, the both ends of the running motor connect the work oil inlet A and work oil return opening B of the electro-hydraulic reversing valve respectively；
The running motor is connected by the first pipeline with the work oil inlet A, and the running motor passes through the second pipe
Road is connected with the work oil return opening B, and one end of first electromagnet cut off valve is connected with the valve block, and first electromagnetism is cut
Only the other end of valve is connected with first pipeline, and one end of second electromagnet cut off valve is connected with the valve block, and described
The other end of two electromagnet cut off valve is connected with second pipeline.
Further, in addition to overflow valve, the overflow valve is provided with two, and respectively A, which makes a slip of the tongue, carries overflow valve and B makes a slip of the tongue
Carry overflow valve, the A, which makes a slip of the tongue, to be carried overflow valve one end and be connected by the 3rd pipeline and the B load overflow valve one end of making a slip of the tongue, the A mouths
Overload the overflow valve other end be connected with first pipeline, the B make a slip of the tongue load the overflow valve other end be connected with second pipeline；
3rd pipeline connects the first fuel reserve tank.
Further, in addition to Fill valve, the Fill valve are provided with two, respectively A mouths walking Fill valve and B mouth rows
Fill valve is walked, described A mouths walking Fill valve one end is connected by the 4th pipeline with one end of B mouths walking Fill valve, the A
The mouth walking Fill valve other end is connected with first pipeline, and the B mouths walking Fill valve other end connects with second pipeline
Connect.
Further, the 5th pipeline is provided between the 3rd pipeline and the 4th pipeline, the 5th pipeline connects
Connect first fuel reserve tank.
Further, the running motor connects the second fuel reserve tank.
Further, the repairing hydraulic pressure value of the A mouths walking Fill valve and B mouths walking Fill valve is
0.3bar。
The beneficial effects of the utility model are as follows：
Using energy regenerating reuse means of the present utility model, including accumulator, valve block and electromagnet cut off valve, Mei Ge electricity
Magnetic stop valve is each equipped with a running motor jointing, wherein, accumulator is used for the starting hydraulic oil for storing service brake,
It is not only environmentally friendly but also cost-effective and this section hydraulic oil for discharging storage is used for cyclic brake.
Using energy recycling system of the present utility model, including above-mentioned energy regenerating reuse means, also wrap
It is as follows to include speed of travel detection encoder, running motor and electro-hydraulic reversing valve, concrete operating principle：It is electro-hydraulic to change after walking in place
To be closed to valve, A oil circuits and B oil circuits are shut, and operation machine now opens the first electromagnet cut off valve because inertia force walks on, the
Two electromagnet cut off valve are closed, and because operation machine walks on, hydraulic oil is pressed into for energy regenerating by running motor
Accumulator in, when the speed of travel detection encoder detect running motor speed be 0 when, close the first electromagnet cut off valve,
The second electromagnet cut off valve is first turned on when operation machine is restarted, hydraulic oil is passed through the B chambers of running motor, makes revolution,
When speed of travel detection encoder detects that running motor speed reaches certain speed, it is again turned on electro-hydraulic reversing valve and carries out just
Normal fuel feeding walking；Inverted running is similarly., can be slatterning originally using energy recycling system of the present utility model
Stopping brake energy is reclaimed, and is temporarily stored within after recovery in accumulator, in the startup for then reusing equipment, is being grasped
Make the effective recycling for carrying out energy during machine startup stops, not only environmental protection but also the saving energy, can save production cost.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the main structure diagram for the energy regenerating reuse means that the utility model embodiment provides；
Fig. 2 is the overlooking the structure diagram for the energy regenerating reuse means that the utility model embodiment provides；
Fig. 3 is the A-A cross-section structure along Fig. 1 for the energy regenerating reuse means that the utility model embodiment provides
Schematic diagram；
Fig. 4 is the operation principle schematic diagram for the energy recycling system that the utility model embodiment provides.
Reference：
1- accumulators；2- accumulator jointings；3- valve blocks；The electromagnet cut off valve of 4- first；The electromagnetism of 5- second ends
Valve；6- the second running motor jointings；7- the first running motor jointings；8- fixing bolts；The 9- speeds of travel are examined
Survey encoder；10- running motors；11- electro-hydraulic reversing valves；12-A mouths walking Fill valve；13-B mouths walking Fill valve；14-
A, which makes a slip of the tongue, carries overflow valve；15-B, which makes a slip of the tongue, carries overflow valve.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The energy regenerating reuse means of the present embodiment 1 and 2 and the technology of system are described in detail below with reference to Fig. 1-Fig. 4
Scheme.
Fig. 1 is the main structure diagram for the energy regenerating reuse means that embodiment 1 provides；Fig. 2 is that embodiment 1 provides
Energy regenerating reuse means overlooking the structure diagram；Fig. 3 is the edge for the energy regenerating reuse means that embodiment 1 provides
A-A cross-sectional view in Fig. 1；Fig. 4 is the operation principle signal for the energy recycling system that embodiment 2 provides
Figure.Each label represents following structure：1- accumulators；2- jointings；3- valve blocks；The electromagnet cut off valve of 4- first；5- second
Electromagnet cut off valve；6- the second running motor jointings；7- the first running motor jointings；8- fixing bolts；9- rows
Walk velocity measuring encoder；10- running motors；11- electro-hydraulic reversing valves；12-A mouths walking Fill valve；The walking of 13-B mouths is mended
Fuel tap；14-A, which makes a slip of the tongue, carries overflow valve；15-B, which makes a slip of the tongue, carries overflow valve.
Embodiment 1
The embodiment of the present embodiment is as follows：
As Figure 1-3, a kind of energy regenerating reuse means that the present embodiment provides, including accumulator 1, the and of valve block 3
Electromagnet cut off valve, each electromagnet cut off valve are each equipped with a running motor jointing；
The bottom connection valve block 3 of accumulator 1, straight line is provided with and communicated with electromagnet cut off valve to the both sides of valve block 3 respectively.
It should be noted that accumulator 1 connects setting by accumulator jointing 2 with valve block 33.
The optional technical scheme of the present embodiment is that the jointing of running motor 10 includes the first running motor jointing 7
With the second running motor jointing 6, electromagnet cut off valve includes the first electromagnet cut off valve 4 and the second electromagnet cut off valve 5；
First electromagnet cut off valve 4 is oppositely arranged with 5 coaxial level of the second electromagnet cut off valve, and is connected respectively with valve block 3
Set；
First running motor jointing 7, the second running motor jointing 6, the first electromagnet cut off valve 4 and the second electromagnetism
Each central shaft of stop valve 5 is set in the same plane, also, the first running motor jointing 7 is arranged on the first electromagnetism and cut
The only lower section of valve 4, the second running motor jointing 6 are arranged on the lower section of the second electromagnet cut off valve 5.
The optional technical scheme of the present embodiment is, in addition to fixed block, is provided with fixed block for connecting the first electromagnetism
Stop valve 4, the second electromagnet cut off valve 5, the cavity volume of the first running motor jointing 7 and the second running motor jointing 6, and
And first electromagnet cut off valve 4, the second electromagnet cut off valve 5, the first running motor jointing 7 are connected with the second running motor and connect
First 6 connect in fixed block.
The optional technical scheme of the present embodiment is, in addition to auxiliary plate, and auxiliary plate is arranged on the side of fixed block, and auxiliary plate passes through solid
Determine bolt 8 to be fixedly mounted with fixed block.
Using the energy regenerating reuse means of the present embodiment, including accumulator 1, valve block 3 and electromagnet cut off valve, Mei Ge electricity
Magnetic stop valve is each equipped with a running motor jointing, wherein, accumulator 1 is used for the starting hydraulic pressure for storing service brake
Oil, and, this section hydraulic oil for discharging storage is used for cyclic brake, not only environmentally friendly but also cost-effective.
Embodiment 2
As shown in figure 4, a kind of energy recycling system that the present embodiment provides, including energy regenerating recycle dress
Put, in addition to speed of travel detection encoder 9, running motor 10 and electro-hydraulic reversing valve 11, speed of travel detection encoder 9 connect
Running motor 10, the both ends of running motor 10 connect the work oil inlet A and work oil return opening B of electro-hydraulic reversing valve 11 respectively；
Running motor 10 is connected by the first pipeline with work oil inlet A, and running motor 10 passes through the second pipeline and work
Oil return opening B connections, one end of the first electromagnet cut off valve 4 are connected with valve block 3, the other end of the first electromagnet cut off valve 4 and the first pipe
Road is connected, and one end of the second electromagnet cut off valve 5 is connected with valve block 3, and the other end of the second electromagnet cut off valve 5 and the second pipeline connect
Connect.
Wherein, energy regenerating reuse means includes accumulator 1, valve block 3 and electromagnet cut off valve, and each electromagnet cut off valve is equal
It is configured with a running motor jointing；The bottom connection valve block 3 of accumulator 1, straight line is provided with and communicated with the both sides of valve block 3 respectively
Electromagnet cut off valve.Running motor jointing includes the first running motor jointing 7 and the second running motor jointing 6,
Electromagnet cut off valve includes the first electromagnet cut off valve 4 and the second electromagnet cut off valve 5；First electromagnet cut off valve 4 and the second electromagnetism end
5 coaxial level of valve is oppositely arranged, and connects setting with valve block 3 respectively；First running motor jointing 7, second walking horse
Each central shaft up to jointing 6, the first electromagnet cut off valve 4 and the second electromagnet cut off valve 5 is set in the same plane, also,
First running motor jointing 7 is arranged on the lower section of the first electromagnet cut off valve 4, and the second running motor jointing 6 is arranged on
The lower section of second electromagnet cut off valve 5.Also include fixed block, be provided with fixed block for connecting the first electromagnet cut off valve 4, second
The cavity volume of electromagnet cut off valve 5, the first running motor jointing 7 and the second running motor jointing 6, also, the first electromagnetism
Stop valve 4, the second electromagnet cut off valve 5, the first running motor jointing 7 and the second running motor jointing 6 are in fixed block
Interior connection.Also include auxiliary plate, auxiliary plate is arranged on the side of fixed block, and auxiliary plate is fixedly mounted by fixing bolt 8 and fixed block.
Specifically, as shown in figure 4, also including overflow valve, overflow valve is provided with two, and respectively A, which makes a slip of the tongue, carries overflow valve 14
Made a slip of the tongue with B and carry overflow valve 15, A, which makes a slip of the tongue, to be carried the one end of overflow valve 14 and be connected by the 3rd pipeline and B load overflow valve 15 one end of making a slip of the tongue, A
Make a slip of the tongue carry the other end of overflow valve 14 be connected with the first pipeline, B make a slip of the tongue load the other end of overflow valve 15 be connected with the second pipeline；3rd pipe
Road connects the first fuel reserve tank.
Specifically, as shown in figure 4, also including Fill valve, Fill valve is provided with two, respectively A mouths walking Fill valve 12
With B mouths walking Fill valve 13, A mouths walking one end of Fill valve 12 is connected by the 4th pipeline with one end of B mouths walking Fill valve 13,
The A mouths walking other end of Fill valve 12 is connected with the first pipeline, and the B mouths walking other end of Fill valve 13 is connected with the second pipeline.
Specifically, being provided with the 5th pipeline between the 3rd pipeline and the 4th pipeline, the 5th pipeline connects the first fuel reserve tank.
Specifically, running motor 10 connects the second fuel reserve tank.
Specifically, the repairing hydraulic pressure value of A mouths walking Fill valve 12 and B mouths walking Fill valve 13 is 0.3bar.
The present embodiment has the beneficial effect that：
Using the energy recycling system of the present embodiment, including above-mentioned energy regenerating reuse means, in addition to
Speed of travel detection encoder 9, running motor 10 and electro-hydraulic reversing valve 11, concrete operating principle is as follows：It is electro-hydraulic after walking in place
Reversal valve 11 is closed, and A oil circuits and B oil circuits are shut, and operation machine now opens the first electromagnet cut off valve because inertia force walks on
4, the second electromagnet cut off valve 5 is closed, and because operation machine walks on, hydraulic oil is pressed into for energy by running motor 10
In the accumulator 1 for measuring recovery, when it is 0 that speed of travel detection encoder 9, which detects the speed of running motor 10, the first electricity is closed
Magnetic stop valve 4, the second electromagnet cut off valve 5 is first turned on when operation machine is restarted, hydraulic oil is passed through the B of running motor 10
Chamber, make revolution, when speed of travel detection encoder 9 detects that the speed of running motor 10 reaches certain speed, beat again
Open electro-hydraulic reversing valve 11 and carry out normal fuel injection walking；Inverted running is similarly.Recycled using energy regenerating of the present utility model and be
System, can reclaim the stopping brake energy slatterned originally, be temporarily stored within after recovery in accumulator 1, then again
In the startup for using equipment, the effective recycling for carrying out energy in operation machine startup stops, not only environmental protection but also saving
The energy, production cost can be saved.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of energy regenerating reuse means, it is characterised in that including accumulator, valve block and electromagnet cut off valve, each electromagnetism
Stop valve is each equipped with a running motor jointing；
The bottom connection valve block of the accumulator, straight line is provided with and communicated with electromagnet cut off valve respectively for the valve block both sides.
2. energy regenerating reuse means according to claim 1, it is characterised in that the running motor jointing bag
Include the first running motor jointing and the second running motor jointing, electromagnet cut off valve includes the first electromagnet cut off valve and the
Two electromagnet cut off valve；
First electromagnet cut off valve is oppositely arranged with the coaxial level of the second electromagnet cut off valve, and respectively with the valve block
Connection is set；
The first running motor jointing, the second running motor jointing, first electromagnet cut off valve and institute
Each central shaft for stating the second electromagnet cut off valve is set in the same plane, also, the first running motor jointing is set
In the lower section of first electromagnet cut off valve, the second running motor jointing is arranged on second electromagnet cut off valve
Lower section.
3. energy regenerating reuse means according to claim 2, it is characterised in that also including fixed block, the fixation
It is provided with block for connecting first electromagnet cut off valve, second electromagnet cut off valve, first running motor connection
The cavity volume of joint and the second running motor jointing, also, first electromagnet cut off valve, second electromagnetism end
Valve, the first running motor jointing and the second running motor jointing connect in the fixed block.
4. energy regenerating reuse means according to claim 3, it is characterised in that also set including auxiliary plate, the auxiliary plate
Put and be fixedly mounted in the side of the fixed block, the auxiliary plate by fixing bolt and the fixed block.
5. a kind of energy recycling system, it is characterised in that including the energy described in the claims any one of 2-4
Recycling device, in addition to speed of travel detection encoder, running motor and electro-hydraulic reversing valve, the speed of travel detection
Encoder connects the running motor, and the both ends of the running motor connect the work oil inlet A of the electro-hydraulic reversing valve respectively
With work oil return opening B；
The running motor is connected by the first pipeline with the work oil inlet A, the running motor by the second pipeline with
The work oil return opening B connections, one end of first electromagnet cut off valve are connected with the valve block, first electromagnet cut off valve
The other end be connected with first pipeline, one end of second electromagnet cut off valve is connected with the valve block, it is described second electricity
The other end of magnetic stop valve is connected with second pipeline.
6. energy recycling system according to claim 5, it is characterised in that also including overflow valve, the overflow
Valve is provided with two, and respectively A, which makes a slip of the tongue, carries overflow valve and B makes a slip of the tongue and carries overflow valve, and the A, which makes a slip of the tongue, carries overflow valve one end by the 3rd
Pipeline and the B, which make a slip of the tongue, to be carried overflow valve one end and be connected, and the A load overflow valve other ends of making a slip of the tongue are connected with first pipeline, institute
State B make a slip of the tongue carry the overflow valve other end be connected with second pipeline；3rd pipeline connects the first fuel reserve tank.
7. energy recycling system according to claim 6, it is characterised in that also including Fill valve, the repairing
Valve is provided with two, and respectively A mouths walking Fill valve and B mouths walking Fill valve, described A mouths walking Fill valve one end passes through the 4th
Pipeline is connected with one end of B mouths walking Fill valve, and the A mouths walking Fill valve other end is connected with first pipeline,
The B mouths walking Fill valve other end is connected with second pipeline.
8. energy recycling system according to claim 7, it is characterised in that the 3rd pipeline and the described 4th
The 5th pipeline is provided between pipeline, the 5th pipeline connects first fuel reserve tank.
9. energy recycling system according to claim 7, it is characterised in that the storage of running motor connection second
Fuel tank.
10. according to the energy recycling system described in claim any one of 7-9, it is characterised in that the A mouths walking
The repairing hydraulic pressure value of Fill valve and B mouths walking Fill valve is 0.3bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720095473.3U CN206636882U (en) | 2017-01-24 | 2017-01-24 | Energy regenerating reuse means and energy recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720095473.3U CN206636882U (en) | 2017-01-24 | 2017-01-24 | Energy regenerating reuse means and energy recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206636882U true CN206636882U (en) | 2017-11-14 |
Family
ID=60260464
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720095473.3U Active CN206636882U (en) | 2017-01-24 | 2017-01-24 | Energy regenerating reuse means and energy recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206636882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061428A (en) * | 2017-01-24 | 2017-08-18 | 王安基 | Energy regenerating reuse means and energy recycling system |
-
2017
- 2017-01-24 CN CN201720095473.3U patent/CN206636882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061428A (en) * | 2017-01-24 | 2017-08-18 | 王安基 | Energy regenerating reuse means and energy recycling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190505 Address after: 266000 North of Chunyang Road and West of Siyuan Road, Qingdao Hi-tech Industrial Development Zone, Shandong Province Patentee after: QINGDAO HUADONG ENGINEERING MACHINERY CO., LTD. Address before: 266000 East China Construction Machinery Co., Ltd. on the north side of Chunyang Road and the west side of Siyuan Road, Qingdao Hi-tech Development Zone, Shandong Province Patentee before: Wang Anji |
|
| TR01 | Transfer of patent right |