CN208016792U - A kind of telescopic anti-bird case - Google Patents

A kind of telescopic anti-bird case Download PDF

Info

Publication number
CN208016792U
CN208016792U CN201820429566.XU CN201820429566U CN208016792U CN 208016792 U CN208016792 U CN 208016792U CN 201820429566 U CN201820429566 U CN 201820429566U CN 208016792 U CN208016792 U CN 208016792U
Authority
CN
China
Prior art keywords
shell
pedestal
big
telescopic
fixation kit
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.)
Active
Application number
CN201820429566.XU
Other languages
Chinese (zh)
Inventor
毛海燕
吕伟桃
谭海林
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.)
Guangdong Heng Neng Electric Power Technology Co Ltd
Original Assignee
Guangdong Heng Neng Electric Power Technology 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 Guangdong Heng Neng Electric Power Technology Co Ltd filed Critical Guangdong Heng Neng Electric Power Technology Co Ltd
Priority to CN201820429566.XU priority Critical patent/CN208016792U/en
Application granted granted Critical
Publication of CN208016792U publication Critical patent/CN208016792U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Catching Or Destruction (AREA)

Abstract

A kind of telescopic anti-bird case, including:Pedestal and flexible shell;The flexible shell is movably installed on the upper end of the pedestal;The inside of the flexible shell is the shell of cavity;The flexible shell includes:Big shell, middle shell and small shell;The big shell is at least provided with a big telescopic mouth;The middle shell by the big telescopic mouth and can be accommodated in the inside of the big shell;The middle shell is accommodated in the inside of the middle shell by the middle shell telescopic mouth at least provided with a middle telescopic mouth, the small shell;The big shell and the small shell are provided with the shell inside groove of long strip type in the side of the pedestal;The shell inside groove leans on one end of the middle shell is vertically-mounted to have shell fixation kit;The shell fixation kit is fixed on the pedestal;The big shell and small shell are horizontally slidable under the vertical fixation of the shell fixation kit by shell inside groove;The utility model can solve the problems, such as that volume bird effect excessively huge inconvenient to carry and anti-is bad.

Description

A kind of telescopic anti-bird case
Technical field
The utility model is related to power domain technical fields, more particularly to a kind of telescopic anti-bird case.
Background technology
With the quickening of modernization, the expansion of mankind's activity range causes the living environment of birds to be constantly destroyed, Affect the original survival condition of birds.Some birds can not search out suitable habitat, must not and for it, selection Overhead power transmission line pole tower is as the habitat settled down of nesting, correspondingly, the activity of birds is brought to overhead transmission line Many security risks mainly show as birds and nest in shaft tower to inhabit, some bird grass are blown off short circuit insulation on Bird's Nest Son can cause transmission line of electricity to trip, and birds droppings causes insulator arc-over or conducting wire to cross-arm electric discharge, big bird flying or captures birds Short trouble caused by animal etc..These hidden danger seriously threaten the safe and stable operation of overhead transmission line.Currently used for electricity The galvanized steel wire of certain length is usually used in bird-resistant on power power transmission sequence shaft tower, is fixed on the pedestal system that U-shaped iron is made It forms.There are many disadvantages for this bird-resistant.For man and nature, the environmental protection consciousness of people and birds harmonious coexistence, again The harm for avoiding birds activity from bringing overhead transmission line from anti-bird and draws bird angle, and the side of combination is drawn using drive Formula introduces transmission line of electricity and relates to the anti-locking system of bird failure, achievees the purpose that anti-bird realizes that people bird is harmonious again.Existing anti-bird equipment exists Problems with:Material problem, easily corrodes and gets rusty, and poor insulativity easily induces power failure;Quality weight, not flexible folding and unfolding, no Tower installation fixed form is relatively simple on Portable belt, and underaction is easily fixed mounted on some point, leads to cannot have effect Become anti-bird region, thus greatly reduces the effect for preventing to relate to bird.
Utility model content
The purpose of this utility model is that proposing.
For this purpose, the utility model uses following technical scheme:
A kind of telescopic anti-bird case, including:Pedestal and flexible shell;
The flexible shell is movably installed on the upper end of the pedestal;
The inside of the flexible shell is the shell of cavity;The flexible shell includes:Big shell, middle shell and small shell;
The big shell is at least provided with a big telescopic mouth;The middle shell by the big telescopic mouth and can be accommodated in described big The inside of shell;
The middle shell is accommodated in the middle shell at least provided with a middle telescopic mouth, the small shell by the middle shell telescopic mouth Inside;
The big shell and the small shell are provided with the shell inside groove of long strip type in the side of the pedestal;
The shell inside groove leans on one end of the middle shell is vertically-mounted to have shell fixation kit;The shell fixation kit is fixed on institute State pedestal;The big shell and small shell are horizontally slidable under the vertical fixation of the shell fixation kit by shell inside groove.
It illustrates further, the shell fixation kit includes:Bolt and nut;The bolt passes through the shell inside groove, institute Nut is stated in the screw rod of the pedestal and the bolt to coordinate.
It illustrates further, the pedestal is provided with aperture at the screw rod;
The bolt coordinates by the shell inside groove and the aperture, and with the nut positioned at the pedestal.
It illustrates further, the small shell is equipped with little Yu shells;The little Yu shells are at the middle telescopic mouth by the middle shell It surrounds;
Remaining shell during the middle shell is equipped with;Remaining shell is surrounded at the big telescopic mouth by the big shell in described.
It illustrates further, the middle shell is equipped with middle shell edge in the position of the little Yu shells, and the little Yu shells are set to The middle shell edge makes the little Yu shells coordinate with the middle shell edge;
The position of big shell remaining shell in described is equipped with big shell slot edge, and remaining shell is set to the big shell slot card in described Side, make it is described in remaining shell coordinate with the big shell edge.
It illustrates further, the pedestal is equipped with guide groove at bottom;
The mobile fixation kit is installed on the guide groove;
The guide groove is horizontally moveable under the fixation of the mobile fixation kit;The mobile fixation kit is for fixing The plane of vertical direction where the anti-bird case makes the pedestal in the horizontal direction slidably.
It illustrates further, the shell fixation kit is bottom bolts and bottom nut;The bottom bolts and the bottom Portion's nut cooperates;
The bottom screw of the bottom bolts passes through the inside of the guide groove, the bottom nut to be set to the pedestal Outside simultaneously coordinates with the bottom bolts, and the head of screw of the bottom bolts is led on the inside of the pedestal and downwards described in compression Slot.
It illustrates further, the bottom nut carrying magnetic.
It illustrates further, the material of the pedestal and the flexible shell is answering for epoxy resin and fiber reinforcement glass steel Condensation material.
It illustrates further, the material of the pedestal and the flexible shell is answering for epoxy resin and fiber reinforcement glass steel The outer surface of condensation material, the flexible shell is provided with reinforcing rib.
It illustrates further, the pedestal is equipped with several osculums;The osculum passes through the pedestal, makes described Flexible shell is communicated with the outside of the pedestal.
The beneficial effects of the utility model:
1, the utility model can solve the problems, such as that volume bird effect excessively huge inconvenient to carry and anti-is general simultaneously.I.e. At ground, it is only necessary to the design be stretched into volume specification as small as possible and taken on power equipment;Pass through the flexible shell of extension At required specification size, it is placed in power equipment and needs the corresponding place of anti-bird that can achieve the effect that anti-bird, simple and side Just.
2, the pedestal of the utility model is removable, when being fixed on power equipment, this anti-bird case level sliding can be made to fix, Increase movable property and flexibility.
Description of the drawings
Fig. 1 is a kind of structure chart of telescopic anti-bird case;
Fig. 2 is the enlarged drawing of small shell;
Fig. 3 is the enlarged drawing of middle shell;
Fig. 4 is the enlarged drawing of big shell;
Fig. 5 is a kind of side view of telescopic anti-bird case;
Fig. 6 is the side view of shell inside groove and pedestal;
Fig. 7 is to carry the anti-bird case of drainage hole structure;
Fig. 8 is the anti-bird case that reinforcing rib is carried with outer surface;
Wherein:
Flexible shell 1, pedestal 2;
Small shell 11, middle shell 12, big shell 13, shell fixation kit 14, shell inside groove 15, reinforcing rib 16;
Little Yu shells 111, in remaining shell 121, middle shell edge 124, middle telescopic mouth 123, big telescopic mouth 133, big shell slot edge 134, bolt 141, nut 142;
Guide groove 21, mobile fixation kit 22, bottom bolts 221, bottom nut 222;Osculum 23.
Specific implementation mode
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
A kind of telescopic anti-bird case, including:Pedestal 2 and flexible shell 1;
The flexible shell 1 is movably installed on the upper end of the pedestal 2;
The inside of the flexible shell 1 is the shell of cavity;The flexible shell 1 includes:Big shell 13, middle shell 12 and small shell 11;
The big shell 13 is at least provided with one big telescopic mouth 133;The middle shell 12 by the big telescopic mouth 133 and can be received It is contained in the inside of the big shell 13;
The middle shell 12 is stored at least provided with a middle telescopic mouth 123, the small shell 11 by 12 telescopic mouth of middle shell In the inside of the middle shell 12;
The big shell 13 and the small shell 11 are provided with the shell inside groove 15 of long strip type in the side of the pedestal 2;
The shell inside groove 15 leans on one end of the middle shell 12 is vertically-mounted to have shell fixation kit 14;The shell fixation kit 14 It is fixed on the pedestal 2;The big shell 13 and small shell 11 by shell inside groove 15 the shell fixation kit 14 it is vertical it is fixed under It is horizontally slidable.
Illustrate further, in the prior art also with the bevel edge of the flexible shell as anti-bird prevent on one side its from It nests, stays on its surface.
Anti- bird case size in the prior art is fixed;Simultaneously because bulky and inconvenient to carry, if changing into small Specification, and shed space can be caused insufficient, cause anti-bird effect to decline.
The utility model proposes a kind of telescopic anti-bird casees, and it is excessively huge caused inconvenient can to solve volume simultaneously It carries and the general problem of anti-bird effect.I.e. at ground, it is only necessary to which the design is stretched into volume specification as small as possible and band Onto power equipment;By upholding the flexible shell 1 into required specification size, it is placed in power equipment and needs the corresponding of anti-bird Place can reach the effect of anti-bird, simply and conveniently.
Specially:At ground, the big shell 13 makes the middle shell 12 pass through the big telescopic mouth 133 simultaneously by sliding It is accommodated in the shell of the big shell 13;And small shell 11 is moved to the middle shell 12 by sliding past the middle telescopic mouth 123 In shell, it is accommodated in the shell of the middle shell 12;This structure makes anti-bird case have shrinkage.And on tower, staff can institute The relative position for stating big shell 13, middle shell 12 and small shell 11 is adjusted, to be suitble to need the length needed for power equipment to be protected.
The design will be fixed with the shell fixation kit 14 in the shell inside groove 15;Wherein, the shell fixation kit 14 is only It is only used for fixing the position of the shell inside groove 15 in the vertical direction, without limiting 15 position in the horizontal direction of shell inside groove described in silks It sets, therefore the shell inside groove 15 is in the horizontal direction slidably, meanwhile, also make the small shell 11 and big shell 13 movable;This design The big shell 13 can be moved to the position of the middle shell 12, and the middle shell 12 is accommodated in inside the shell of the big shell 13, and And small shell 11 can be moved to the inside of middle shell 12.
It illustrates further, the shell fixation kit 14 includes:Bolt 141 and nut 142;The bolt 141 passes through institute Shell inside groove 15 is stated, the nut 142 coordinates in the screw rod of the pedestal 2 and the bolt 141.
It illustrates further, using the bolt 141 and the nut 142 to prepare simple telescopic anti-bird case, It is very easily and economically for extensive anti-bird.
It illustrates further, the pedestal 2 is provided with aperture at the screw rod;
The bolt 141 by the shell inside groove 15 and the aperture, and with the nut 142 positioned at the pedestal 2 Cooperation.
It illustrates further, the small shell 11 is equipped with little Yu shells 111;The little Yu shells 111 are at the middle telescopic mouth 123 It is surrounded by the middle shell 12;
Remaining shell 121 during the middle shell 12 is equipped with;In described remaining shell 121 at the big telescopic mouth 133 by the big shell 13 It surrounds.
It illustrates further, the little Yu shells 111 is surrounded by the middle shell 12, keep the small shell 11 fully extended described By the fixed function power that the middle shell 12 is downward when middle telescopic mouth 123, thus the small shell 11 cannot it is fully extended in stretch Mouth 123;
Remaining shell 121 is surrounded by the big shell 13 in will be described, when making the middle 12 fully extended big telescopic mouth 133 of shell By the fixed function power that the big shell 13 is downward, therefore the middle shell 12 cannot be detached from big telescopic mouth 133.
It illustrates further, the middle shell 12 is equipped with middle shell edge 124, the little Yu in the position of the little Yu shells 111 Shell 111 is set to the middle shell edge 124, and the little Yu shells 111 is made to coordinate with the middle shell edge 124;
The position of the remaining shell 121 in described of the big shell 13 is equipped with big shell slot edge 134, and remaining shell 121 is set in described The big shell slot edge 134, make it is described in remaining shell 121 coordinate with the big shell edge 134.
It illustrates further, the middle shell edge 124 is conducive to provide a space for the little Yu shells 111, and unlikely It is in the little Yu shells 111 that the middle shell 12 is recessed;The big shell slot edge 134 be conducive to be it is described in remaining shell 121 provide one A space, and remaining shell 121 is recessed by the big shell 13 in being unlikely to described.
It illustrates further, the pedestal 2 is equipped with guide groove 21 at bottom;
The mobile fixation kit 22 is installed on the guide groove 21;
The guide groove 21 is horizontally moveable under the fixation of the mobile fixation kit 22;The mobile fixation kit 22 is used In the plane of the vertical direction where the fixation anti-bird case, make the pedestal 2 in the horizontal direction slidably.
It illustrates further, can only solely be fixed on a certain place compared to such as prior art, the design only need to be described The mobility that anti-bird case can be realized in one mobile fixation kit 22 is simply installed in pedestal 2;Such as in some cases, Anti- bird case needs are drilled with 141 hole of bolt on power equipment, so that anti-bird case is fixed on power equipment;But in use Anti- bird case can only be dismantled when often starting a leak, thus need to adjust and reinstall or be additionally added anti-bird case, and It is fixed again after needing redrilling;And the design then by the pedestal 2 slidably, if there is the case where moving bird-proof device Under, it is only necessary to it can reach the effect of mobile bird-proof device by external force;Solves the unicity of fixing means in the prior art.
The effective object of the anti-bird case of the design is power equipment such as pylon;Wherein, the mobile fixation kit 22 will be described The effective object of pedestal 2 and the anti-bird case of the design is fixed, and the mobile fixation kit 22 is located in guide groove 21, mobile fixation kit Position on the 22 only fixed vertical directions for limiting the pedestal 2 and the design effective object, and the guide groove 21 horizontal can move It is dynamic;I.e. described 22 horizontal direction of mobile fixation kit is motionless, and the guide groove 21 is horizontally moveable;Therefore, the pedestal 2 is movable simultaneously It drives the anti-bird case to move together, enhances the effect of anti-bird.
It illustrates further, the shell fixation kit is bottom bolts 221 and bottom nut 222;The bottom bolts 221 It cooperates with the bottom nut 222;
The bottom screw of the bottom bolts 221 passes through the inside of the guide groove 21, the bottom nut 222 to be set to institute State the outside of pedestal 2 and coordinate with the bottom bolts 221, the head of screws of the bottom bolts 221 2 inside of the pedestal simultaneously The guide groove 21 is compressed downwards.
It illustrates further, 222 carrying magnetic of bottom nut.
It illustrating further, the magnetic bottom nut 222 can be attracted by magnetic force and the bottom bolts 221, Improve fixed force;
Working at height in worker's carrying can be facilitated simultaneously, as worker can pass through to put on a suit of armour a metalwork on body The 2 magnetic bottom nut 222 in lower section of the pedestal attracts each other with metalwork, is climbed convenient for steeplejack high Tower.Such as metalwork is added in thigh side, then in the design passed through into the magnetic bottom nut 222 and metalwork Attract, facilitates the climbing in high-altitude.
It illustrates further, the material of the pedestal 2 and the flexible shell 1 is epoxy resin and fiber reinforcement glass steel Composite material;The outer surface of the flexible shell 1 is provided with reinforcing rib 16.
It illustrates further, using epoxy resin and fiber reinforcement glass steel as main material, reason is epoxy for hair design Resin possesses excellent resistance to mould, is highly suitable for exposing in air for a long time, and the either rainy day or fine day all will not be by such as thin Bacterium or fungi concern;And epoxy resin possesses excellent electric property, is a kind of material that insulating properties is high, is suitable for power equipment In;The mechanical property composite fibre reinforcing glass steel of epoxy resin, makes the mechanics of the pedestal 2 and the flexible shell 1 in the design Performance is good, and light weight.
Reinforcing rib 16 makes the irregular structure of outer surface band of the flexible shell, and plane is made to carry the structure of tape shape, Therefore, birds are not easy to build nest here.
It illustrates further, the pedestal is equipped with several osculums 23;The osculum passes through the pedestal, makes institute Flexible shell 1 is stated to communicate with the outside of the pedestal.
Shell stretch for telescopic structure, therefore the very easy shell internal water accumulation at season rainy day, and the water meeting in shell Influence weight or moisture content the discharge trouble of power equipment or example shell;Osculum 23, which is arranged, to be had to drain in by the water in slot.
The technical principle of the utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein, Those skilled in the art would not require any inventive effort the other specific implementation modes that can associate the utility model, These modes are fallen within the scope of protection of the utility model.

Claims (10)

1. a kind of telescopic anti-bird case, which is characterized in that including:Pedestal and flexible shell;
The flexible shell is movably installed on the upper end of the pedestal;
The inside of the flexible shell is the shell of cavity;The flexible shell includes:Big shell, middle shell and small shell;
The big shell is at least provided with a big telescopic mouth;The middle shell by the big telescopic mouth and can be accommodated in the big shell It is internal;
The middle shell is accommodated in by the middle shell telescopic mouth in the middle shell at least provided with a middle telescopic mouth, the small shell Portion;
The big shell and the small shell are provided with the shell inside groove of at least one long strip type in the side of the pedestal;
The shell inside groove leans on one end of the middle shell is vertically-mounted to have shell fixation kit;The shell fixation kit is fixed on the bottom Seat;The big shell and small shell are horizontally slidable under the vertical fixation of the shell fixation kit by shell inside groove.
2. the telescopic anti-bird case of one kind according to claim 1, which is characterized in that the shell fixation kit includes:Spiral shell Bolt and nut;The bolt passes through the shell inside groove, the nut to coordinate in the screw rod of the pedestal and the bolt.
3. the telescopic anti-bird case of one kind according to claim 2, which is characterized in that the pedestal is opened at the screw rod There is aperture;
The bolt coordinates by the shell inside groove and the aperture, and with the nut positioned at the pedestal.
4. the telescopic anti-bird case of one kind according to claim 3, which is characterized in that the small shell is equipped with little Yu shells;Institute Little Yu shells are stated to be surrounded by the middle shell at the middle telescopic mouth;
Remaining shell during the middle shell is equipped with;Remaining shell is surrounded at the big telescopic mouth by the big shell in described.
5. the telescopic anti-bird case of one kind according to claim 4, which is characterized in that the middle shell is in the little Yu shells Position is equipped with middle shell edge, and the little Yu shells are set to the middle shell edge, and the little Yu shells is made to coordinate with the middle shell edge;
The position of big shell remaining shell in described is equipped with big shell slot edge, and remaining shell is set to the big shell slot edge in described, Make it is described in remaining shell coordinate with the big shell edge.
6. the telescopic anti-bird case of one kind according to claim 1, which is characterized in that the pedestal is equipped at bottom and leads Slot;
Mobile fixation kit is installed on the guide groove;
The guide groove is horizontally moveable under the fixation of the mobile fixation kit;Described in the mobile fixation kit is used to fix The plane of vertical direction where anti-bird case makes the pedestal in the horizontal direction slidably.
7. the telescopic anti-bird case of one kind according to claim 6, which is characterized in that the shell fixation kit is bottom spiral shell Bolt and bottom nut;The bottom bolts and the bottom nut cooperate;
The bottom screw of the bottom bolts passes through the inside of the guide groove, the bottom nut to be set to the outside of the pedestal And coordinate with the bottom bolts, the head of screw of the bottom bolts compresses on the inside of the pedestal and downwards the guide groove.
8. the telescopic anti-bird case of one kind according to claim 7, which is characterized in that the bottom nut carrying magnetic.
9. the telescopic anti-bird case of one kind according to claim 1, which is characterized in that the pedestal and the flexible shell Material is the composite material of epoxy resin and fiber reinforcement glass steel;The outer surface of the flexible shell is provided with reinforcing rib.
10. the telescopic anti-bird case of one kind according to claim 1, which is characterized in that the pedestal is equipped with several Osculum;The osculum passes through the pedestal, and the flexible shell is made to be communicated with the outside of the pedestal.
CN201820429566.XU 2018-03-28 2018-03-28 A kind of telescopic anti-bird case Active CN208016792U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820429566.XU CN208016792U (en) 2018-03-28 2018-03-28 A kind of telescopic anti-bird case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820429566.XU CN208016792U (en) 2018-03-28 2018-03-28 A kind of telescopic anti-bird case

Publications (1)

Publication Number Publication Date
CN208016792U true CN208016792U (en) 2018-10-30

Family

ID=63908500

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820429566.XU Active CN208016792U (en) 2018-03-28 2018-03-28 A kind of telescopic anti-bird case

Country Status (1)

Country Link
CN (1) CN208016792U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110547282A (en) * 2019-10-13 2019-12-10 国网山东省电力公司泰安供电公司 Foldable telescopic bird-preventing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110547282A (en) * 2019-10-13 2019-12-10 国网山东省电力公司泰安供电公司 Foldable telescopic bird-preventing device
CN110547282B (en) * 2019-10-13 2021-07-06 国网山东省电力公司泰安供电公司 Foldable telescopic bird-preventing device

Similar Documents

Publication Publication Date Title
CN208016792U (en) A kind of telescopic anti-bird case
CN104351162B (en) A kind of upside-down hanging insulator bird-damage prevention device
CN208354440U (en) A kind of telescopic bird-proof device
CN109042615A (en) A kind of reflective scarer of wind-force
CN104060878B (en) Built on stilts span wire suspension protector
CN205756862U (en) A kind of anti-bird case for power system
CN208001970U (en) One kind moving fixed bird-proof device
CN211091478U (en) Trapping device for tea garden empoasca vitis
CN112189651A (en) Novel bird repeller and mounting method thereof
CN205212183U (en) Lightning rod convenient to installation
CN207705646U (en) A kind of novel low-tension distribution box
CN208064365U (en) A kind of scarer
CN206191458U (en) Intelligence lamp pole
RU113065U1 (en) BIRD-PROTECTED INSULATOR
CN211088922U (en) Outdoor high-altitude comprehensive foreign matter removing equipment for building construction
CN207284936U (en) Magnetic-type navigation mark elasticity scarer
CN108541697A (en) A kind of scarer
CN101227071B (en) 10 kV distribution line insulation tower head
CN109546568A (en) Earthing pole linear insulator mask
CN205648673U (en) Alleviate transmission line bird pest artificial bird nest
CN210275187U (en) Insulating averruncator with electroscope
CN209605029U (en) A kind of lightning protection intelligent road-lamp
CN216055722U (en) Protective device for distribution box
CN205455611U (en) Bird's nest spacer for tower
CN206111074U (en) High -tension voltage tower overhauls device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant