CN208666809U - A kind of power communication cable winding apparatus convenient to use - Google Patents

A kind of power communication cable winding apparatus convenient to use Download PDF

Info

Publication number
CN208666809U
CN208666809U CN201821162334.9U CN201821162334U CN208666809U CN 208666809 U CN208666809 U CN 208666809U CN 201821162334 U CN201821162334 U CN 201821162334U CN 208666809 U CN208666809 U CN 208666809U
Authority
CN
China
Prior art keywords
fixed
sliding slot
directive wheel
fixedly connected
winding apparatus
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
CN201821162334.9U
Other languages
Chinese (zh)
Inventor
陈鹏
王小蓓
杨阳
李常杲
贾青龙
李�根
凌钊
陈本吉
毛哲
崔佳
陈龙
周启智
谢兵
陈世文
陈利强
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.)
HUANGLONGTAN HYDROPOWER PLANT STATE GRID HUBEI ELECTRIC POWER Co Ltd
State Grid Corp of China SGCC
Original Assignee
HUANGLONGTAN HYDROPOWER PLANT STATE GRID HUBEI ELECTRIC POWER Co Ltd
State Grid Corp of China SGCC
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 HUANGLONGTAN HYDROPOWER PLANT STATE GRID HUBEI ELECTRIC POWER Co Ltd, State Grid Corp of China SGCC filed Critical HUANGLONGTAN HYDROPOWER PLANT STATE GRID HUBEI ELECTRIC POWER Co Ltd
Priority to CN201821162334.9U priority Critical patent/CN208666809U/en
Application granted granted Critical
Publication of CN208666809U publication Critical patent/CN208666809U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Abstract

The utility model discloses a kind of power communication cable winding apparatus convenient to use, including pedestal, two fixed links are fixed on the right side of the upper end of pedestal, two fixed links are symmetrical set, reel is equipped between two fixed links, the both ends of two reels pass through shaft and are rotatablely connected respectively with fixed link, the side wall of one of fixed link is fixed with driving motor, the output shaft of driving motor is fixedly connected by shaft coupling with one of shaft, portal frame corresponding with reel position is fixed on the left of the upper end of pedestal, the crossbeam lower end of portal frame laterally offers T shape sliding slot, T shape sliding slot slidably connects T-shaped slider, T shape sliding slot is internally threaded bar, one end of threaded rod and the side wall of T shape sliding slot side are rotatablely connected.The utility model is easy to operate, enables to cable uniformly on reel, reduces the labour of staff, while can reduce the influence shaken to the device.

Description

A kind of power communication cable winding apparatus convenient to use
Technical field
The present invention relates to drawing cable equipment technical field more particularly to a kind of power communication drawing cables convenient to use Device.
Background technique
Power telecom network is come into being to guarantee the safe and stable operation of electric system.It is the same as electric system Relay protection and safety stabilization control system, dispatch automated system are collectively referred to as the three of safe and stable operation of power system by people Big pillar.Currently, it is even more the basis of power network schedule automation, the network operation marketization and management modernization;It is to ensure that power grid Safe and stable, economical operation important means;It is the important infrastructure of electric system.Since power telecom network is to communication The rapidity and accuracy has and strict requirements that reliability, protection control information transmit, and power department possesses development The special resource advantage of communication, therefore, mode of the Utilities Electric Co. of most countries all based on self-built establishes electricity in the world Force system private wire network.
In technical fields such as electric power, communications, according to power equipment or the installation needs of communication apparatus, it usually needs spread If cable or connection, or cable finished etc. will be used to carry out winding, it is indispensable in the above-mentioned course of work It will use the draw off gear of cable.Staff encounters many problems when to twisted and released of the cable in the prior art, when folding and unfolding The winding position for needing manually to go controlling cable, which not only adds the labour of staff, and will lead to the receipts of cable It puts unevenly, very big trouble is brought to staff.Therefore, the present invention devises a kind of power communication line convenient to use Cable draw off gear.
Summary of the invention
The purpose of the present invention is to solve staff in the prior art, and many problems are encountered when to twisted and released of the cable, Need manually to go the winding position of controlling cable when folding and unfolding, which not only adds the labour of staff, and will lead to line The non-uniform problem of the folding and unfolding of cable, and a kind of power communication cable winding apparatus convenient to use proposed.
To achieve the goals above, present invention employs following technical solutions:
The upper end right side fixation of a kind of power communication cable winding apparatus convenient to use, including pedestal, the pedestal is set There are two fixed link, two fixed links are symmetrical set, and reel is equipped between two fixed links, described in two around The both ends of line wheel pass through shaft and are rotatablely connected respectively with fixed link, and the side wall of one of them fixed link is fixed with driving The output shaft of motor, the driving motor is fixedly connected by shaft coupling with shaft described in one of them, the upper end of the pedestal Left side is fixed with portal frame corresponding with reel position, and the crossbeam lower end of the portal frame laterally offers T shape sliding slot, institute It states T shape sliding slot and slidably connects T-shaped slider, the T shape sliding slot is internally threaded bar, one end of the threaded rod and T shape The side wall of sliding slot side is rotatablely connected, and the other end of the threaded rod runs through the side wall of the other side of T shape sliding slot and extends outwardly, The lower end of the T-shaped slider is fixedly connected with connecting rod, and the connecting rod is fixedly connected with rectangle far from one end of T-shaped slider Frame, the inside of the rectangle frame are equipped with the first directive wheel and the second directive wheel, and first directive wheel and the second directive wheel are in pair Claim to be arranged, the both ends of first directive wheel and the second directive wheel are rotatably connected to swingle, are located at first directive wheel On two swingles be fixedly connected with the inner wall of rectangle frame, two swingles on second directive wheel are and square The inner wall of shape frame is flexibly connected;The lower end four corners of the pedestal pass through damping device equipped with universal wheel.
Preferably, the damping device includes support rod, and the upper end of the support rod is fixedly connected with the lower end of pedestal, institute The lower end for stating support rod opens up fluted, and mobile bar is movably equipped in groove, lower end and the universal wheel of the mobile bar are fixed Connection, the inner wall of the groove are fixed with fixed block, and the upper end of the fixed block passes through through-hole and mobile bar pivot bush unit, institute The bar wall for stating mobile bar, which is located at below fixed block, is fixed with movable block, and the movable block is slidably connected with groove, the shifting Piecemeal activity of the bar wall of lever between fixed block and movable block is equipped with spring.
Preferably, one end that the threaded rod is located at outside T shape sliding slot is fixedly connected with runner.
Preferably, the runner is fixedly connected with handle far from the side wall of threaded rod side.
Preferably, the opposite two sides of the rectangle frame offer strip-shaped hole, and two strip-shaped holes are symmetrical set, and are located at Two opposite one end of swingle on second directive wheel are each passed through two strip-shaped holes and are threaded with nut.
Preferably, two swingles on second directive wheel are slidably connected with two strip-shaped holes respectively.
Preferably, the rectangle frame is made of stainless steel.
Preferably, the pedestal upper end, which is located on the left of portal frame, is fixedly connected with riser, the sidewall upper of the riser Rectangular opening is offered, the two sides up and down of the rectangular opening offer bar shaped sliding slot, slide jointly in two bar shaped sliding slots It is connected with the same disk, scrape hole is offered at the side wall center of the disk, the inside of the scrape hole is equipped with wiper.
Compared with prior art, the present invention provides a kind of power communication cable winding apparatus convenient to use, have with It is lower the utility model has the advantages that
1, the power communication cable winding apparatus convenient to use can by the driving motor being arranged in fixed link Reel is driven to be rotated, cable can be wound and pack up by reel, pass through the first guiding being arranged in rectangle frame Wheel and the second directive wheel, can place cable, by the runner being arranged on threaded rod, be able to drive threaded rod progress Rotation, threaded rod enables to T-shaped slider to move in T shape sliding slot, and then enables to cable uniformly wound on reel On, the labour of staff is reduced, by the nut being arranged on swingle, the first directive wheel can be adjusted and led with second To the distance between wheel, and then the cable of different-diameter can uniformly be wound.
2, power communication cable winding apparatus convenient to use, by the way that the universal wheel of pedestal lower end is arranged in, convenient for being somebody's turn to do Draw off gear is moved, by the spring being arranged between fixed block and movable block, when universal wheel is by extraneous vibration, It enables to mobile bar to squeeze spring by movable block, and then enables to universal wheel that there is buffering effect, can reduce vibration Influence to the device.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, operation of the present invention It is convenient, it enables to cable uniformly on reel, reduces the labour of staff, while can reduce vibration Influence to the device.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of power communication cable winding apparatus convenient to use proposed by the present invention;
Fig. 2 is a kind of structural representation of power communication cable winding apparatus portal frame convenient to use proposed by the present invention Figure;
Fig. 3 is a kind of structural schematic diagram of power communication cable winding apparatus part A convenient to use proposed by the present invention;
Fig. 4 is that a kind of power communication cable winding apparatus disk convenient to use proposed by the present invention is connect with rectangular opening Structural schematic diagram.
In figure: 1 pedestal, 2 fixed links, 3 reels, 4 driving motors, 5 portal frames, 6 T shape sliding slots, 7 T-shaped sliders, 8 spiral shells Rasp bar, 9 connecting rods, 10 rectangle frames, 11 first directive wheels, 12 second directive wheels, 13 swingles, 14 strip-shaped holes, 15 nuts, 16 Strut, 17 grooves, 18 fixed blocks, 19 mobile bars, 20 movable blocks, 21 springs, 22 universal wheels, 23 runners, 24 risers, 25 rectangles Hole, 26 bar shaped sliding slots, 27 disks, 28 scrape holes.
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.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-4, the upper end of a kind of power communication cable winding apparatus convenient to use, including pedestal 1, pedestal 1 is right Side is fixed with two fixed links 2, and two fixed links 2 are symmetrical set, between two fixed links 2 be equipped with reel 3, two around The both ends of line wheel 3 pass through shaft and are rotatablely connected (not shown), the side wall of one of fixed link 2 with fixed link 2 respectively It is fixed with driving motor 4, it is the prior art, therefore the present invention does not describe excessively that driving motor 4, which is threephase asynchronous machine, Driving motor 4 is able to drive reel 3 and is rotated, and cable can be wound and pack up by reel 3, driving motor 4 it is defeated Shaft is fixedly connected by shaft coupling with one of shaft, is fixed on the left of the upper end of pedestal 1 corresponding with 3 position of reel Portal frame 5, the crossbeam lower end of portal frame 5 laterally offers T shape sliding slot 6, and T shape sliding slot 6 slidably connects T-shaped slider 7, T shape Sliding slot 6 is internally threaded bar 8, and one end of threaded rod 8 and the side wall of 6 side of T shape sliding slot are rotatablely connected, threaded rod 8 it is another One end runs through the side wall of the other side of T shape sliding slot 6 and extends outwardly, and threaded rod 8 is located at the fixed company in one end outside T shape sliding slot 6 It is connected to runner 23, runner 23 is fixedly connected with handle far from the side wall of 8 side of threaded rod, turns by being arranged on threaded rod 8 Wheel 23, is able to drive threaded rod 8 and is rotated, threaded rod 8 enables to T-shaped slider 7 to move in T shape sliding slot 6, and then can So that cable uniformly on reel 3, reduces the labour of staff, the lower end of T-shaped slider 7 is fixedly connected with Connecting rod 9, connecting rod 9 are fixedly connected with rectangle frame 10 far from one end of T-shaped slider 7, and rectangle frame 10 is made of stainless steel, square The inside of shape frame 10 is equipped with the first directive wheel 11 and the second directive wheel 12, and the first directive wheel 11 and the second directive wheel 12 are in symmetrically to set It sets, the both ends of the first directive wheel 11 and the second directive wheel 12 are rotatably connected to swingle 13, on the first directive wheel 11 Two swingles 13 are fixedly connected with the inner wall of rectangle frame 10, and two swingles 13 on the second directive wheel 12 are and square The inner wall of shape frame 10 is flexibly connected, and the opposite two sides of rectangle frame 10 offer strip-shaped hole 14, and two strip-shaped holes 14 are in symmetrical Setting, two opposite one end of swingle 13 on the second directive wheel 12 are each passed through two strip-shaped holes 14 and are threadedly coupled There is nut 15, two swingles 13 on the second directive wheel 12 are slidably connected with two strip-shaped holes 14 respectively, pass through setting Nut 15 on swingle 13 can adjust the distance between the first directive wheel 11 and the second directive wheel 12, and then can incite somebody to action The cable of different-diameter is uniformly wound;The lower end four corners of pedestal 1 pass through damping device equipped with universal wheel 22, pass through The universal wheel 22 of 1 lower end of pedestal is set, is moved convenient for the draw off gear, damping device includes support rod 16, support rod 16 upper end is fixedly connected with the lower end of pedestal 1, and the lower end of support rod 16 opens up fluted 17, and shifting is movably equipped in groove 17 The lower end of lever 19, mobile bar 19 is fixedly connected with universal wheel 22, and the inner wall of groove 17 is fixed with fixed block 18, fixed block 18 Upper end by through-hole and 19 pivot bush unit of mobile bar, the lower section that the bar wall of mobile bar 19 is located at fixed block 18 is fixed with movement Block 20, movable block 20 are slidably connected with groove 17, part of the bar wall of mobile bar 19 between fixed block 18 and movable block 20 It is movably equipped with spring 21, when universal wheel 22 is by extraneous vibration, mobile bar 19 is enabled to squeeze bullet by movable block 20 Spring 21, and then enable to universal wheel 22 that there is buffering effect, it can reduce the influence shaken to the device, 1 upper end of pedestal position Be fixedly connected with riser 24 in the left side of portal frame 5, the sidewall upper of riser 24 offers rectangular opening 25, rectangular opening 25 up and down Two sides offer bar shaped sliding slot 26, slidably connect the same disk 27, the side of disk 27 in two bar shaped sliding slots 26 jointly Scrape hole 28 is offered at wall center, the inside of scrape hole 28 is equipped with wiper, and disk 27 can move together with rectangle frame 10, simultaneously Scrape hole 28 can wipe the dust on cable outer wall off.
In the present invention, in use, staff opens driving motor 4, it is able to drive reel 3 and is rotated, reel 3 Cable can be wound and be packed up, by the first directive wheel 11 and the second directive wheel 12 being arranged in rectangle frame, can incited somebody to action Cable is placed, and by the runner 23 being arranged on threaded rod 8, is able to drive threaded rod 8 and is rotated, threaded rod 8 can So that T-shaped slider 7 moves in T shape sliding slot 6, and then cable is enabled to uniformly on reel 3, to reduce work The labour of personnel can adjust the first directive wheel 11 and the second directive wheel 12 by the nut 15 being arranged on swingle 13 The distance between, and then the cable of different-diameter can uniformly be wound, by the universal wheel that 1 lower end of pedestal is arranged in 22, it is moved convenient for the draw off gear, by the spring 21 being arranged between fixed block 18 and movable block 20, when universal wheel 22 When by extraneous vibration, mobile bar 19 is enabled to squeeze spring 21 by movable block 20, and then enable to universal wheel 22 With buffering effect, the influence shaken to the device can reduce.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of power communication cable winding apparatus convenient to use, including pedestal (1), which is characterized in that the pedestal (1) Two fixed links (2) are fixed on the right side of upper end, two fixed links (2) are symmetrical set, two fixed links (2) it Between be equipped with reel (3), the both ends of two reels (3) pass through shaft respectively with fixed link (2) be rotatablely connected, wherein The side wall of one fixed link (2) is fixed with driving motor (4), and the output shaft of the driving motor (4) passes through shaft coupling It is fixedly connected, is fixed on the left of the upper end of the pedestal (1) corresponding with reel (3) position with shaft described in one of them Portal frame (5), the crossbeam lower end of the portal frame (5) laterally offer T shape sliding slot (6), and the T shape sliding slot (6) is slidably connected Have T-shaped slider (7), the T shape sliding slot (6) is internally threaded bar (8), one end of the threaded rod (8) and T shape sliding slot (6) the side wall rotation connection of side, the other end of the threaded rod (8) is through the side wall of the other side of T shape sliding slot (6) and outside Extending, the lower end of the T-shaped slider (7) is fixedly connected with connecting rod (9), and the one of the connecting rod (9) separate T-shaped slider (7) End is fixedly connected with rectangle frame (10), and the inside of the rectangle frame (10) is equipped with the first directive wheel (11) and the second directive wheel (12), first directive wheel (11) and the second directive wheel (12) are symmetrical set, and first directive wheel (11) and second is led Swingle (13) are rotatably connected to the both ends of wheel (12), two swingles (13) being located on first directive wheel (11) It is fixedly connected with the inner wall of rectangle frame (10), is located at two swingles (13) on second directive wheel (12) and rectangle The inner wall of frame (10) is flexibly connected;The lower end four corners of the pedestal (1) pass through damping device equipped with universal wheel (22).
2. a kind of power communication cable winding apparatus convenient to use according to claim 1, which is characterized in that described to subtract Shaking device includes support rod (16), and the upper end of the support rod (16) is fixedly connected with the lower end of pedestal (1), the support rod (16) lower end opens up fluted (17), and is movably equipped with mobile bar (19) in groove (17), the lower end of the mobile bar (19) Be fixedly connected with universal wheel (22), the inner wall of the groove (17) is fixed with fixed block (18), the fixed block (18) it is upper By through-hole and mobile bar (19) pivot bush unit, the lower section fixation that the bar wall of the mobile bar (19) is located at fixed block (18) is set at end Have movable block (20), the movable block (20) is slidably connected with groove (17), and the bar wall of the mobile bar (19) is located at fixed block (18) piecemeal activity between movable block (20) is equipped with spring (21).
3. a kind of power communication cable winding apparatus convenient to use according to claim 1, which is characterized in that the spiral shell Rasp bar (8) is located at the external one end of T shape sliding slot (6) and is fixedly connected with runner (23).
4. a kind of power communication cable winding apparatus convenient to use according to claim 3, which is characterized in that described turn Wheel (23) is fixedly connected with handle far from the side wall of threaded rod (8) side.
5. a kind of power communication cable winding apparatus convenient to use according to claim 1, which is characterized in that the square The opposite two sides of shape frame (10) offer strip-shaped hole (14), and two strip-shaped holes (14) are symmetrical set, and are located at described second Two opposite one end of swingle (13) on directive wheel (12) are each passed through two strip-shaped holes (14) and are threaded with nut (15).
6. a kind of power communication cable winding apparatus convenient to use according to claim 5, which is characterized in that be located at institute Two swingles (13) stated on the second directive wheel (12) are slidably connected with two strip-shaped holes (14) respectively.
7. a kind of power communication cable winding apparatus convenient to use according to claim 1, which is characterized in that the square Shape frame (10) is made of stainless steel.
8. a kind of power communication cable winding apparatus convenient to use according to claim 1, which is characterized in that the bottom Seat (1) upper end, which is located on the left of portal frame (5), is fixedly connected with riser (24), and the sidewall upper of the riser (24) offers square The two sides up and down in shape hole (25), the rectangular opening (25) offer bar shaped sliding slot (26), in two bar shaped sliding slots (26) It slidably connects jointly the same disk (27), offers scrape hole (28), the scrape hole at the side wall center of the disk (27) (28) inside is equipped with wiper.
CN201821162334.9U 2018-07-23 2018-07-23 A kind of power communication cable winding apparatus convenient to use Active CN208666809U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821162334.9U CN208666809U (en) 2018-07-23 2018-07-23 A kind of power communication cable winding apparatus convenient to use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821162334.9U CN208666809U (en) 2018-07-23 2018-07-23 A kind of power communication cable winding apparatus convenient to use

Publications (1)

Publication Number Publication Date
CN208666809U true CN208666809U (en) 2019-03-29

Family

ID=65829016

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821162334.9U Active CN208666809U (en) 2018-07-23 2018-07-23 A kind of power communication cable winding apparatus convenient to use

Country Status (1)

Country Link
CN (1) CN208666809U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110276424A (en) * 2019-05-17 2019-09-24 李跃 A kind of power department stock in storage managing device based on Radio Frequency Identification Technology
CN110943423A (en) * 2019-12-18 2020-03-31 安徽鑫铂铝业股份有限公司 Aluminum profile supporting and guiding device for cable of shield machine for drilling tunnel
CN115231384A (en) * 2022-08-16 2022-10-25 安徽兴华电缆有限公司 Winding machine with anti-loosening function for cable production

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110276424A (en) * 2019-05-17 2019-09-24 李跃 A kind of power department stock in storage managing device based on Radio Frequency Identification Technology
CN110943423A (en) * 2019-12-18 2020-03-31 安徽鑫铂铝业股份有限公司 Aluminum profile supporting and guiding device for cable of shield machine for drilling tunnel
CN115231384A (en) * 2022-08-16 2022-10-25 安徽兴华电缆有限公司 Winding machine with anti-loosening function for cable production
CN115231384B (en) * 2022-08-16 2024-03-19 安徽兴华电缆股份有限公司 Winding machine with anti-loosening function for cable production

Similar Documents

Publication Publication Date Title
CN208666809U (en) A kind of power communication cable winding apparatus convenient to use
CN107115910A (en) A kind of road construction ratchel efficiency crushing equipment
CN109335854A (en) A kind of rolling-up mechanism and power cable winding device
CN108639872A (en) A kind of cable coiling device that easy disassembly is safeguarded
CN103323649A (en) Current measuring device
CN108639871A (en) A kind of cable spooling equipment of uniform winding
CN202962978U (en) Pipeline alkali removal machine
CN109873363A (en) Extra high voltage direct current transmission line method for inspecting
CN113178309A (en) Box-type transformer with heat dissipation function and application thereof
CN216841623U (en) Fixing device of wireless logging-while-drilling instrument
CN110745648A (en) Electric power communication cable winding and unwinding devices who facilitates use
CN108687662B (en) A kind of fixed device of steel pipe polishing
CN208561531U (en) A kind of lifting equipment set up applied to auxiliary power route
CN209151447U (en) Novel portable PLC switch board
CN116507062A (en) Host computer for extensible multi-source data processing platform of modularized design
CN112211420B (en) Safety protection equipment for construction
CN209594300U (en) A kind of apple picking device
CN201871274U (en) Special tool for rapidly replacing filter element
CN211019539U (en) Electric power communication cabinet with dampproofing effect
CN209383168U (en) A kind of mobile separation receipts creel stand
CN208429778U (en) A kind of upending frame with function of weighing
CN208241183U (en) A kind of novel high-voltage line foreign matter cleaning equipment
CN208127532U (en) A kind of battery charging connector plug tooling
CN205087752U (en) Electric power system transmission line steps on lever apparatus
CN110047690A (en) It is a kind of directly to swing formula earthing switch and its ground connection knife assembly

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant