CN109301554A - It is a kind of for advertisement announcing plate for electric-connected socket - Google Patents

It is a kind of for advertisement announcing plate for electric-connected socket Download PDF

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Publication number
CN109301554A
CN109301554A CN201811279986.5A CN201811279986A CN109301554A CN 109301554 A CN109301554 A CN 109301554A CN 201811279986 A CN201811279986 A CN 201811279986A CN 109301554 A CN109301554 A CN 109301554A
Authority
CN
China
Prior art keywords
plate
advertisement
far
electric
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811279986.5A
Other languages
Chinese (zh)
Inventor
徐铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suqian Fanheng Cultural Communication Co Ltd
Original Assignee
Suqian Fanheng Cultural Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suqian Fanheng Cultural Communication Co Ltd filed Critical Suqian Fanheng Cultural Communication Co Ltd
Priority to CN201811279986.5A priority Critical patent/CN109301554A/en
Publication of CN109301554A publication Critical patent/CN109301554A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74Means for mounting coupling parts in openings of a panel

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The present invention relates to advertisement field more particularly to it is a kind of for advertisement announcing plate for electric-connected socket.The technical problem to be solved by the present invention is to be easy to produce spontaneous combustion when socket load excessive, lead to that fire occurs.In order to solve the above-mentioned technical problem, the present invention provides a kind of for advertisement announcing plate for electric-connected socket, including wall shell, wall shell is internally provided with advertisement connection jack housing, sealing plate is connected on the right side of advertisement connection jack housing, advertisement being internally provided on the right side of fixed plate for jack housing of connection is welded with Spring Card and compressed spring, compressed spring is welded with connecting column far from the side of fixed plate, connecting column is welded with movable plate far from one end of compressed spring, and high temperature shift unit is provided on the left of sealing plate.Billboard plug, for electric-connected socket, when the equipment load of upper connection is larger when Spring Card continuous high temperature, can be released automatically, be powered off to equipment for advertisement announcing plate by this, avoid that fire occurs.

Description

It is a kind of for advertisement announcing plate for electric-connected socket
Technical field
The present invention relates to advertisement field, it is specially a kind of for advertisement announcing plate for electric-connected socket.
Background technique
Billboard is the mechanism to a kind of business form publicity, when having new advertisement to be announced, in order to allow More people, which watch, would generally be suspended in eye-catching place to show, and in order to make people can in day and night The advertisement announced in direct viewing to billboard takes a kind of lamp according to mode, however the longer billboard of night lighting length is inserted Head connect with socket will appear fever later, and temperature, which rises, to be led to socket accidents happened spontaneous combustion is caused fire occur.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of for advertisement announcing plate for electric-connected socket, solves slotting It is easy to produce spontaneous combustion when seat load excessive, leads to the problem of fire occurs.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: it is a kind of for advertisement announcing plate confession be electrically connected Combination hub, including wall shell, wall shell are used to that socket is fixed, and socket is allow more easily to be fixed on wall interiors, The wall shell is internally provided with advertisement connection jack housing, is connected with sealing on the right side of the advertisement connection jack housing Plate, sealing plate are sealed advertisement connection jack housing, and the route inside advertisement connection jack housing is avoided to contact with people, It is welded with binding post on the left of the advertisement connection jack housing, binding post is identical as the binding post of existing socket, and binding post Connection type it is also identical as present connection type, the right side for being internally provided with fixed plate of advertisement connection jack housing It is welded with Spring Card and compressed spring, Spring Card is used to locking-type plug and is powered for plug, leads between binding post and Spring Card It crosses electric wire to be fixedly connected, makes mutually be powered between binding post and Spring Card, side of the compressed spring far from fixed plate It is welded with connecting column, the connecting column runs through the inner cavity of sealing plate far from one end of compressed spring and extends to the right side of sealing plate Side, the connecting column are welded with movable plate far from one end of compressed spring, and the outer wall of movable plate and sealing plate fits, and work as compression When spring is to connecting column applied force, connecting column will push movable plate and be moved to the side far from sealing plate, the sealing plate Left side be provided with high temperature shift unit.
Preferably, the high temperature shift unit includes the cylinder being welded on the left of sealing plate and is provided on connecting column Card slot, one end of the cylinder are welded with heat-conducting plate, and the heat-conducting plate is welded with thermally conductive item, thermally conductive item side far from one end of cylinder Just by the heat transfer to heat-conducting plate on Spring Card, so as to using the temperature on heat-conducting plate to the air of cylinder interior into Row heating, the thermally conductive item are fixedly connected far from one end of heat-conducting plate with Spring Card, and the internal activity of the cylinder is socketed with work Plug, the outer end of the piston are welded with connecting rod, and the connecting rod is welded with back-shaped plate, the back-shaped plate far from one end of piston One end far from connecting rod is welded with motion bar, and the motion bar is fixedly connected on far from one end of back-shaped plate by reset spring Advertisement connects the inner wall of jack housing, and the interior welds of the back-shaped plate have fixture block, the position of fixture block and connecting column on back-shaped plate The position of upper card slot is corresponding.
Preferably, thermally conductive rod is welded on the inside of the heat-conducting plate, and the inside of cylinder is arranged in thermally conductive rod.
Preferably, the piston is bonded with sealed bladder, the one end of the sealed bladder far from piston far from one end of connecting rod It is fixedly connected on the inner wall of cylinder, using sealed bladder under the premise of guaranteeing that piston can be normally carried out movable, by piston and gas It is sealed between cylinder, and addition has pure water inside the sealing space of cylinder and piston.
Preferably, the inside size of the back-shaped plate is adapted with the size of connecting column.
Preferably, hole corresponding with Spring Card is offered on the sealing plate and movable plate, thus convenient plug It is connected together with Spring Card.
Preferably, the right side of the sealing plate and be located at movable plate on the outside of be fixedly connected with advertisement connection plug waterproof Ring, on the internal ring wall of the advertisement connection plug waterproof ring and separate one end are provided with advertisement connection plug sealing rubber ring.
(3) beneficial effect
The present invention provides a kind of for advertisement announcing plate for electric-connected socket, have it is following the utility model has the advantages that
(1), this be used for advertisement announcing plate for electric-connected socket, used for a long time when the plug of billboard is connected on socket Load is larger, Spring Card can be made to heat up, and the bigger temperature of load is higher, and the temperature on Spring Card can be by thermally conductive item and thermally conductive Plate is transmitted in the water of cylinder interior, is evaporated water, when Spring Card continuous high temperature, cylinder interior can be made to obtain water and quickly added Thermal evaporation makes fixture block and card slot to make the back-shaped plate of the piston driving of cylinder interior that the elastic force of reset spring be overcome to be moved At this moment separation pushes movable plate to the side far from sealing plate by the elastic force of compressed spring, movable plate is made to drive plug most The heart is mobile, so that plug is separated with Spring Card, in this way when Spring Card continuous high temperature, can automatically push away billboard plug Out, billboard plug is powered off with socket, avoids that fire occurs, make people's more secure side during using socket Just.
(2), this be used for advertisement announcing plate for electric-connected socket, using the thermally conductive rod that cylinder interior is arranged in, by heat Conduction of velocity promoted to most fast, so that socket be allow rapidly to react, and rapidly to high load capacity billboard plug into Row processing, avoids the generation of fire, improves the life security of people.
(3), this be used for advertisement announcing plate for electric-connected socket, will be carried out between piston and cylinder using sealed bladder close Envelope can flow to the inside of advertisement connection jack housing in this way to avoid vapor, can be to avoid socket short circuit, and utilize sealed bladder It is sealed, it is ensured that the quality of internal water remains unchanged, to make card using reset spring after temperature cools down Slot can be connected together with fixture block.
Detailed description of the invention
Fig. 1 is positive structure diagram of the invention;
Fig. 2 is partial enlargement diagram at the A in Fig. 1 of the present invention;
Fig. 3 is the side structure schematic view of back-shaped plate in Fig. 2 of the present invention.
In figure: 1 wall shell, 2 advertisements connection jack housing, 3 sealing plates, 4 binding posts, 5 fixed plates, 6 Spring Cards, 7 compressions Spring, 8 binding posts, 9 movable plates, 10 high temperature shift units, 1001 cylinders, 1002 card slots, 1003 heat-conducting plates, 1004 thermally conductive items, 1005 pistons, 1006 connecting rods, 1007 back-shaped plates, 1008 motion bars, 1009 reset springs, 1010 fixture blocks, 1011 thermally conductive rods, 1012 sealed bladders, 11 advertisement connection plug waterproof rings, 12 advertisement connection plug sealing rubber rings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to figure -3, the present invention provides a kind of technical solution: it is a kind of for advertisement announcing plate for electric-connected socket, packet Wall shell 1 is included, wall shell 1 is used to that billboard socket is fixed, and billboard socket is allow more easily to be fixed on wall Inside, wall shell 1 are internally provided with advertisement connection jack housing 2, and the right side of advertisement connection jack housing 2 is connected with sealing plate 3, sealing plate 3 is sealed advertisement connection jack housing 2, and the route inside advertisement connection jack housing 2 is avoided to connect with people The left side of touching, advertisement connection jack housing 2 is welded with binding post 84, and binding post 84 is identical as the binding post 84 of existing socket, and The connection type of binding post 84 is also identical as present connection type, and advertisement connection jack housing 2 is internally provided with fixed plate 5 Right side be welded with Spring Card 6 and compressed spring 7, Spring Card 6 is used to locking-type plug and is powered for plug, binding post 84 and bullet It is fixedly connected between spring card 6 by electric wire, makes mutually be powered between binding post 84 and Spring Card 6, compressed spring 7 is far from solid The side of fixed board 5 is welded with connecting column, and connecting column runs through the inner cavity of sealing plate 3 far from one end of compressed spring 7 and extends to close The right side of sealing plate 3, connecting column are welded with movable plate 9 far from one end of compressed spring 7, and movable plate 9 and the outer wall of sealing plate 3 are affixed It closes, when compressed spring 7 is to connecting column applied force, connecting column will push movable plate 9 and be moved to the side far from sealing plate 3 It is dynamic, the right side of the sealing plate 3 and outside for being located at movable plate 9 is fixedly connected with advertisement connection plug waterproof ring 11, advertisement connection On the internal ring wall of plug waterproof ring 11 and one end far from sealing plate 3 is provided with advertisement connection plug sealing rubber ring 12, seals Hole corresponding with Spring Card 6 is offered on plate 3 and movable plate 9, so that billboard plug be facilitated to be connected to Spring Card 6 Together, the left side of sealing plate 3 is provided with high temperature shift unit 10, and high temperature shift unit 10 includes being welded on 3 left side of sealing plate Cylinder 1001 and the card slot 1002 being provided on connecting column, one end of cylinder 1001 are welded with heat-conducting plate 1003, heat-conducting plate 1003 one end far from cylinder 1001 are welded with thermally conductive item 1004, and thermally conductive item 1004, which facilitates, arrives the heat transfer on Spring Card 6 It is thermally conductive so as to be heated using the temperature on heat-conducting plate 1003 to the air inside cylinder 1001 on heat-conducting plate 1003 The inside of plate 1003 is welded with thermally conductive rod 1011, and the inside of cylinder 1001 is arranged in thermally conductive rod 1011, using setting in cylinder The conduction of velocity of heat is promoted and is arrived most fastly by the thermally conductive rod 1011 inside 1001, thus react the socket rapidly, with And rapidly high load capacity billboard plug is handled, the generation of fire is avoided, the life security of people is improved, it is thermally conductive The one end of item 1004 far from heat-conducting plate 1003 is fixedly connected with Spring Card 6, and the internal activity of cylinder 1001 is socketed with piston 1005, Piston 1005 is bonded with sealed bladder 1012 far from one end of connecting rod 1006, and sealed bladder 1012 is fixed far from one end of piston 1005 It is connected to the inner wall of cylinder 1001, it, will using sealed bladder 1012 under the premise of guaranteeing that piston 1005 can be normally carried out movable Be sealed between piston 1005 and cylinder 1001, and be added inside the sealing space of cylinder 1001 and piston 1005 have it is pure Water will be sealed between piston 1005 and cylinder 1001 using sealed bladder 1012, can flow to advertisement in this way to avoid vapor The inside of jack housing 2 is connected, can be to avoid the short circuit of billboard socket, and it is sealed using sealed bladder 1012, it can be with Guarantee that the quality of internal water remains unchanged, to be card slot 1002 and fixture block using reset spring 1009 after temperature cools down 1010 can be connected together, and the outer end of piston 1005 is welded with connecting rod 1006, connecting rod 1006 far from piston 1005 one End is welded with back-shaped plate 1007, and the inside size of back-shaped plate 1007 is adapted with the size of connecting column, and back-shaped plate 1007 is far from even One end of extension bar 1006 is welded with motion bar 1008, and motion bar 1008 passes through reset spring 1009 far from one end of back-shaped plate 1007 It is fixedly connected on the inner wall of advertisement connection jack housing 2, the interior welds of back-shaped plate 1007 have a fixture block 1010, on back-shaped plate 1007 The position of fixture block 1010 is corresponding with the position of card slot 1002 on connecting column, when the equipment load of upper connection is larger, can make bullet Spring card 6 heats up, and the bigger temperature of load is higher, and the temperature on Spring Card 6 can be passed by thermally conductive item 1004 and heat-conducting plate 1003 It is delivered in the water inside cylinder 1001, is evaporated water, when 6 continuous high temperature of Spring Card, can make to obtain water inside cylinder 1001 Quick heating evaporation, thus the elastic force for making the piston 1005 inside cylinder 1001 that back-shaped plate 1007 be driven to overcome reset spring 1009 It is moved, separates fixture block 1010 with card slot 1002, at this moment sealed movable plate 9 to separate by the elastic force of compressed spring 7 The side of plate 3 pushes, and so that movable plate 9 is driven plug mobile, so that plug is separated with Spring Card 6, in this way when Spring Card 6 continues height When warm, plug can be released automatically, equipment is powered off, avoided that fire occurs, make people in the process using socket In more safe ready.
Working principle: because just spontaneous combustion after socket is in long-time high temperature when 6 continuous high temperature of Spring Card, meeting Water inside cylinder 1001 is heated, to make piston 1005 that back-shaped plate 1007 be driven to be moved, make fixture block 1010 with Card slot 1002 separates, and drives movable plate 9 to be moved using the elastic force of compressed spring 7, makes electric appliance using mobile movable plate 9 Billboard plug is separated with Spring Card 6, is powered off to billboard plug with socket, so that Spring Card 6 is stopped fever, to guarantee Socket will not utilize reset spring after Spring Card 6 and heat-conducting plate 1003 cooling for a long time because of prolonged high temperature spontaneous combustion 1009, which can make piston 1005 squeeze air, returns to original position, and making the vapor inside cylinder 1001 again becomes the water of liquid, in this way People only need to press movable plate 9, keep card slot 1002 corresponding with the position of fixture block 1010, utilize card slot after waiting for a period of time 1002 are defined the position of connecting column with fixture block 1010, are that socket can be again so that the position of movable plate 9 is defined Subnormal use.

Claims (7)

1. it is a kind of for advertisement announcing plate for electric-connected socket, including wall shell (1), it is characterised in that: the wall shell (1) Be internally provided with advertisement connection jack housing (2), be provided with sealing plate (3) on the right side of advertisement connection jack housing (2), It is provided with binding post (4) on the left of advertisement connection jack housing (2), the inside of advertisement connection jack housing (2) is set It is equipped on the right side of fixed plate (5) and is provided with Spring Card (6) and compressed spring (7), the compressed spring (7) is far from fixed plate (5) side is provided with connecting column (8), and the one end of the connecting column (8) far from compressed spring (7) is through the interior of sealing plate (3) Chamber and the right side for extending to sealing plate (3), the connecting column (8) are provided with movable plate (9) far from the one end of compressed spring (7), High temperature shift unit (10) are provided on the left of the sealing plate (3).
2. it is according to claim 1 it is a kind of for advertisement announcing plate for electric-connected socket, it is characterised in that: the high temperature Shift unit (10) includes the cylinder (1001) being arranged on the left of sealing plate (3) and the card slot being provided on connecting column (8) (1002), one end of the cylinder (1001) is provided with heat-conducting plate (1003), and the heat-conducting plate (1003) is far from cylinder (1001) One end be provided with thermally conductive item (1004), one end and Spring Card (6) far from heat-conducting plate (1003) of the thermally conductive item (1004) are solid Fixed connection, the cylinder (1001) are internally provided with piston (1005), and the outer end of the piston (1005) is provided with connecting rod (1006), the connecting rod (1006) is provided with back-shaped plate (1007) far from the one end of piston (1005), the back-shaped plate (1007) one end far from connecting rod (1006) is provided with motion bar (1008), and the motion bar (1008) is far from back-shaped plate (1007) one end is fixedly connected on the inner wall of advertisement connection jack housing (2), the back-shaped plate by reset spring (1009) (1007) be internally provided with fixture block (1010).
3. it is according to claim 2 it is a kind of for advertisement announcing plate for electric-connected socket, it is characterised in that: it is described thermally conductive It is provided on the inside of plate (1003) thermally conductive rod (1011), and thermally conductive rod (1011) setting is in the inside of cylinder (1001).
4. it is according to claim 2 it is a kind of for advertisement announcing plate for electric-connected socket, it is characterised in that: the piston (1005) one end far from connecting rod (1006) is provided with sealed bladder (1012), and the sealed bladder (1012) is far from piston (1005) One end be fixedly connected on the inner walls of cylinder (1001).
5. it is according to claim 2 it is a kind of for advertisement announcing plate for electric-connected socket, it is characterised in that: it is described back-shaped The inside size of plate (1007) is adapted with the size of connecting column (8).
6. it is according to claim 1 it is a kind of for advertisement announcing plate for electric-connected socket, it is characterised in that: the sealing Hole corresponding with Spring Card (6) is offered on plate (3) and movable plate (9).
7. it is according to claim 1 it is a kind of for advertisement announcing plate for electric-connected socket, it is characterised in that: the sealing The right side of plate (3) and it is located on the outside of movable plate (9) and is fixedly connected with advertisement connection plug waterproof ring (11), the advertisement connects On the internal ring wall of plug waterproof ring (11) and one end far from sealing plate (3) is provided with advertisement connection plug sealing rubber ring (12).
CN201811279986.5A 2018-10-30 2018-10-30 It is a kind of for advertisement announcing plate for electric-connected socket Pending CN109301554A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811279986.5A CN109301554A (en) 2018-10-30 2018-10-30 It is a kind of for advertisement announcing plate for electric-connected socket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811279986.5A CN109301554A (en) 2018-10-30 2018-10-30 It is a kind of for advertisement announcing plate for electric-connected socket

Publications (1)

Publication Number Publication Date
CN109301554A true CN109301554A (en) 2019-02-01

Family

ID=65145078

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811279986.5A Pending CN109301554A (en) 2018-10-30 2018-10-30 It is a kind of for advertisement announcing plate for electric-connected socket

Country Status (1)

Country Link
CN (1) CN109301554A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110661140A (en) * 2019-09-20 2020-01-07 佛山职业技术学院 High-temperature automatic-ejection plug
CN112454537A (en) * 2020-11-11 2021-03-09 甘保华 Automatic material sawing equipment that pushes away of industrial stuff

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110661140A (en) * 2019-09-20 2020-01-07 佛山职业技术学院 High-temperature automatic-ejection plug
CN112454537A (en) * 2020-11-11 2021-03-09 甘保华 Automatic material sawing equipment that pushes away of industrial stuff

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Application publication date: 20190201

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