CN204528595U - A kind of axle sleeve gripping feedway - Google Patents

A kind of axle sleeve gripping feedway Download PDF

Info

Publication number
CN204528595U
CN204528595U CN201520207843.9U CN201520207843U CN204528595U CN 204528595 U CN204528595 U CN 204528595U CN 201520207843 U CN201520207843 U CN 201520207843U CN 204528595 U CN204528595 U CN 204528595U
Authority
CN
China
Prior art keywords
fixed
plate
feedway
axle sleeve
cylinder
Prior art date
Application number
CN201520207843.9U
Other languages
Chinese (zh)
Inventor
赵文旭
Original Assignee
赵文旭
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 赵文旭 filed Critical 赵文旭
Priority to CN201520207843.9U priority Critical patent/CN204528595U/en
Application granted granted Critical
Publication of CN204528595U publication Critical patent/CN204528595U/en

Links

Abstract

The utility model discloses a kind of axle sleeve gripping feedway, comprise base and manipulator, described base is fixed with rotary cylinder, the turning cylinder of rotary cylinder is fixed with pivotal plate, the upper articulation of pivotal plate has rotating screw bolt, the bottom of rotating screw bolt is fixed with arm revolving gear, pivotal plate is also provided with drive motor, the output shaft of drive motor is fixed with driven wheel, driven wheel is meshed with arm revolving gear, pivotal plate is also fixed with position-limited lever, and crane is screwed onto on rotating screw bolt, and position-limited lever sleeve is on crane; The head shell of manipulator is fixed on crane, the bottom of the stay bearing plate of described head shell is all welded with regulating block, regulating block has horizontal groove, the external side end of regulating block is fixed with compression cylinder, it can be arranged between two load-transfer devices arranged side by side, and can be transported on another by the workpiece on a load-transfer device by manipulator, it is without the need to changing two load-transfer devices, its improvement cost is low, and transport efficiency is high.

Description

A kind of axle sleeve gripping feedway
Technical field:
The utility model relates to bearing machining equipment technical field, relates to a kind of axle sleeve gripping feedway in particular.
Background technology:
Or bearing axle sleeve or bearing machining accessory are carrying out adding man-hour, its needs are carried, it needs to be transported to by the workpiece on the load-transfer device of side on another load-transfer device arranged side by side, existing mode adopts artificial or passes through between two load-transfer devices, connect a switching band, thus make all load-transfer devices connect into a load-transfer device, its switching band increased is equivalent to add a feedway, which increase cost, and need to carry out overall transformation, originally two the load-transfer device circuits had are needed to modify, which increase the labour intensity of amendment and add improvement cost.
And a dead lift, its efficiency is low-down.
Utility model content:
The purpose of this utility model overcomes the deficiencies in the prior art, carry a kind of axle sleeve gripping feedway, it can be arranged between two load-transfer devices arranged side by side, can the workpiece on a load-transfer device be transported on another by manipulator, it is without the need to changing two load-transfer devices, its improvement cost is low, and transport efficiency is high.
The scheme that the utility model solve the technical problem is:
A kind of axle sleeve gripping feedway, comprise base and manipulator, described base is fixed with rotary cylinder, the turning cylinder of rotary cylinder is fixed with pivotal plate, the upper articulation of pivotal plate has rotating screw bolt, the bottom of rotating screw bolt is fixed with arm revolving gear, pivotal plate is also provided with drive motor, the output shaft of drive motor is fixed with driven wheel, driven wheel is meshed with arm revolving gear, and pivotal plate is also fixed with position-limited lever, and position-limited lever is at the rear of rotating screw bolt, crane is screwed onto on rotating screw bolt, and position-limited lever sleeve is on crane;
The head shell of manipulator is fixed on crane, described head shell comprises top fixing plate and is fixed on the stay bearing plate of both sides of top fixing plate, the bottom of two stay bearing plates is all welded with regulating block, there is in regulating block horizontal groove, the external side end of regulating block is fixed with compression cylinder, the push rod of compression cylinder stretches in horizontal groove, the top of the push rod of compression cylinder is stretched out horizontal groove and is fixed with grip block, two grip blocks are arc block, the relative wall of two grip blocks has annular protrusion bar, top fixing plate is fixed with promotion cylinder, promote the push rod of cylinder through the axially extending bore that top fixing plate has, the top promoting the push rod of cylinder is bolted with compressor arm, compressor arm is between two grip blocks.
Described crane comprises lifter plate, the both sides of lifter plate are welded with two lifting pipe links, the front portion of lifter plate is stretched out in the front end of two lifting pipe links, the front inner wall of lifting pipe link is fixed with Adjusting bolt Adjusting screw, the rear end of link span has two link span screw rods, and link span screw rod is screwed onto in Adjusting bolt Adjusting screw.
Described link span is made up of the vertical pipe link of lateral connection bar and both sides, and vertical pipe link is weldingly fixed on the two ends of lateral connection bar, and the upper rear of vertical pipe link has the lug boss extended back, and lug boss is hinged with link span screw rod.
Described pivotal plate is welded with electrical motor adapter plate, electrical motor adapter plate comprises the vertical connecting portion of the side downward bending of upper mounted plate and upper mounted plate, vertical connecting portion is weldingly fixed in pivotal plate, drive motor is fixed on upper mounted plate, and the output shaft of drive motor is passed down through upper mounted plate and is fixed with driven wheel.
The top of described lifter plate forms spiro union portion and Plug Division, and spiro union portion has the screw axially run through, screw extends to the bottom surface of lifter plate, Plug Division has the jack axially run through, jack extends to the bottom surface of lifter plate, and rotating screw bolt is screwed onto in screw, and position-limited lever sleeve is in jack.
The top of described rotating screw bolt has spacing block, and the diameter of spacing block is greater than the diameter of rotating screw bolt.
The lower end sidewall of described vertical pipe link has connecting through hole, the outer wall top of two stay bearing plates is all fixed with main connecting screw rod, stop collar is inserted with in main connecting screw rod, the top sleeve of main connecting screw rod is in connecting through hole and be bolted with jam nut, vertical pipe link is clamped between jam nut and stop collar, and the bottom of stop collar is pressed against on the supporting plate.
The madial wall of described axially extending bore is fixed with wearing layer, and the madial wall of described horizontal groove is fixed with wearing layer, the outside wall surface of described grip block is fixed with connecting portion, the top of the push rod of compression cylinder is fixed on connecting portion.
Outstanding effect of the present utility model is:
Compared with prior art, it can be arranged between two load-transfer devices arranged side by side, and can be transported on another by the workpiece on a load-transfer device by manipulator, it is without the need to changing two load-transfer devices, and its improvement cost is low, and transport efficiency is high.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 of the present utility modelly changes angled arrangement schematic diagram;
Fig. 3 is the local structure schematic diagram of crane of the present utility model;
Fig. 4 is the local structure schematic diagram of manipulator;
Fig. 5 is the local structure schematic diagram of grip block.
Detailed description of the invention:
Below in conjunction with accompanying drawing and concrete preferred embodiment, the utility model is elaborated, can be easier to be readily appreciated by one skilled in the art to make advantage of the present utility model and feature, these embodiments are only illustrative objects, are not intended to limit scope of the present utility model.
Embodiment, see as shown in Fig. 1 to 5, a kind of axle sleeve gripping feedway, comprise base 20 and manipulator 9, described base 20 is fixed with rotary cylinder 21, the turning cylinder of rotary cylinder 21 is fixed with pivotal plate 22, the upper articulation of pivotal plate 22 has rotating screw bolt 23, the bottom of rotating screw bolt 23 is fixed with arm revolving gear 24, pivotal plate 22 is also provided with drive motor 25, the output shaft of drive motor 25 is fixed with driven wheel 26, driven wheel 26 is meshed with arm revolving gear 24, pivotal plate 22 is also fixed with position-limited lever 27, position-limited lever 27 is at the rear of rotating screw bolt 23, crane 30 is screwed onto on rotating screw bolt 23, position-limited lever 27 sleeve is on crane 30,
The head shell 10 of manipulator 9 is fixed on crane 30, described head shell 10 comprises top fixing plate 1 and is fixed on the stay bearing plate 2 of both sides of top fixing plate 1, the bottom of two stay bearing plates 2 is all welded with regulating block 4, there is in regulating block 4 horizontal groove 41, the external side end of regulating block 4 is fixed with compression cylinder 5, the push rod of compression cylinder 5 stretches in horizontal groove 41, the top of the push rod of compression cylinder 5 is stretched out horizontal groove 41 and is fixed with grip block 42, two grip blocks 42 are arc block, the relative wall of two grip blocks 42 has annular protrusion bar 43, top fixing plate 1 is fixed with and promotes cylinder 6, promote the push rod of cylinder 6 through the axially extending bore 11 that top fixing plate 1 has, the top promoting the push rod of cylinder 6 is bolted with compressor arm 7, compressor arm 7 is between two grip blocks 42.
Described crane 30 comprises lifter plate 31, the both sides of lifter plate 31 are welded with two lifting pipe links 32, the front portion of lifter plate 31 is stretched out in the front end of two lifting pipe links 32, the front inner wall of lifting pipe link 32 is fixed with Adjusting bolt Adjusting screw 33, the rear end of link span 34 has two link span screw rods 341, and link span screw rod 341 is screwed onto in Adjusting bolt Adjusting screw 33.
Described link span 34 is made up of the vertical pipe link 343 of lateral connection bar 342 and both sides, vertical pipe link 343 is weldingly fixed on the two ends of lateral connection bar 342, the upper rear of vertical pipe link 343 has the lug boss 344 extended back, and lug boss 344 is hinged with link span screw rod 341.
Described pivotal plate 22 is welded with electrical motor adapter plate 28, electrical motor adapter plate 28 comprises the vertical connecting portion 282 of the side downward bending of upper mounted plate 281 and upper mounted plate 281, vertical connecting portion 282 is weldingly fixed in pivotal plate 22, drive motor 25 is fixed on upper mounted plate 281, and the output shaft of drive motor 25 is passed down through upper mounted plate 281 and is fixed with driven wheel 26.
The top of described lifter plate 31 forms spiro union portion 311 and Plug Division 312, spiro union portion 311 has the screw axially run through, screw extends to the bottom surface of lifter plate 31, Plug Division 312 has the jack axially run through, jack extends to the bottom surface of lifter plate 31, rotating screw bolt 23 is screwed onto in screw, and position-limited lever 27 sleeve is in jack.
The top of described rotating screw bolt 23 has spacing block 231, and the diameter of spacing block 231 is greater than the diameter of rotating screw bolt 23.
The lower end sidewall of described vertical pipe link 343 has connecting through hole 345, the outer wall top of two stay bearing plates 2 is all fixed with main connecting screw rod 3, stop collar 101 is inserted with in main connecting screw rod 3, the top sleeve of main connecting screw rod 3 is in connecting through hole 345 and be bolted with jam nut, vertical pipe link 343 is clamped between jam nut and stop collar 101, and the bottom of stop collar 101 is pressed against on stay bearing plate 2.
The madial wall of described axially extending bore 11 is fixed with wearing layer 8, and the madial wall of described horizontal groove 41 is fixed with wearing layer 8, the outside wall surface of described grip block 42 is fixed with connecting portion 44, the top of the push rod of compression cylinder 5 is fixed on connecting portion 44.
Principle of work: drive driven wheel 26 to rotate by the rotation of drive motor 25, thus arm revolving gear 24 is rotated, rotating screw bolt 23 has been driven to rotate, thus the crane 30 be screwed onto on rotating screw bolt 23 is moved up and down, workpiece is between two grip blocks 42, then makes piece-holder between two grip blocks 42 by compression cylinder 5 work, then, work by promoting cylinder 6, compressor arm 7 sleeve is positioned within the workpiece, thus ensure that workpiece can not move.
By workpiece along with crane 30 moves up and down, simultaneously by the operation of rotary cylinder 21, enter the rotation that rotatable platform 22 carries out 180 °, thus make crane 30 be moved to be placed on this load-transfer device on the load-transfer device of opposite side and by workpiece by the load-transfer device of side and complete carrying.
Simultaneously, on its crane 30, structure is, the front inner wall of lifting pipe link 32 is fixed with Adjusting bolt Adjusting screw 33, the rear end of link span 34 has two link span screw rods 341, and link span screw rod 341 is screwed onto in Adjusting bolt Adjusting screw 33, by being rotationally connected frame screw rod 341, the spacing between link span 34 and lifting pipe link 32 can be regulated, thus link span 34 can be regulated to carry out the position of grabbing workpiece, ensure to capture accurately, improve the effect of conveying.
The madial wall of axially extending bore 11 is wherein fixed with wearing layer 8, the madial wall of horizontal groove 41 is fixed with wearing layer 8.The wear-resistant sleeve that wearing layer 8 generally can be made for polytetrafluoroethylene or graphite material, its push rod that can ensure compression cylinder 5 and the push rod promoting cylinder 6 operationally reduce its friction with peripheral wall surface, raising service life.
Above embodiment is only for illustration of the utility model; and be not limitation of the utility model; the those of ordinary skill of relevant technical field; when not departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.

Claims (8)

1. an axle sleeve gripping feedway, comprise base (20) and manipulator (9), it is characterized in that: described base (20) is fixed with rotary cylinder (21), the turning cylinder of rotary cylinder (21) is fixed with pivotal plate (22), the upper articulation of pivotal plate (22) has rotating screw bolt (23), the bottom of rotating screw bolt (23) is fixed with arm revolving gear (24), pivotal plate (22) is also provided with drive motor (25), the output shaft of drive motor (25) is fixed with driven wheel (26), driven wheel (26) is meshed with arm revolving gear (24), pivotal plate (22) is also fixed with position-limited lever (27), position-limited lever (27) is at the rear of rotating screw bolt (23), crane (30) is screwed onto on rotating screw bolt (23), position-limited lever (27) sleeve is on crane (30),
The head shell (10) of manipulator (9) is fixed on crane (30), described head shell (10) comprises top fixing plate (1) and is fixed on the stay bearing plate (2) of both sides of top fixing plate (1), the bottom of two stay bearing plates (2) is all welded with regulating block (4), there is in regulating block (4) horizontal groove (41), the external side end of regulating block (4) is fixed with compression cylinder (5), the push rod of compression cylinder (5) stretches in horizontal groove (41), the top of the push rod of compression cylinder (5) is stretched out horizontal groove (41) and is fixed with grip block (42), two grip blocks (42) are arc block, the relative wall of two grip blocks (42) has annular protrusion bar (43), top fixing plate (1) is fixed with and promotes cylinder (6), promote the push rod of cylinder (6) through the axially extending bore (11) that top fixing plate (1) has, the top promoting the push rod of cylinder (6) is bolted with compressor arm (7), compressor arm (7) is between two grip blocks (42).
2. a kind of axle sleeve gripping feedway according to claim 1, it is characterized in that: described crane (30) comprises lifter plate (31), the both sides of lifter plate (31) are welded with two liftings pipe link (32), the front portion of lifter plate (31) is stretched out in the front end of two liftings pipe link (32), the front inner wall of lifting pipe link (32) is fixed with Adjusting bolt Adjusting screw (33), the rear end of link span (34) has two link span screw rods (341), link span screw rod (341) is screwed onto in Adjusting bolt Adjusting screw (33).
3. a kind of axle sleeve gripping feedway according to claim 2, it is characterized in that: described link span (34) is made up of the vertical pipe link (343) of lateral connection bar (342) and both sides, vertical pipe link (343) is weldingly fixed on the two ends of lateral connection bar (342), the upper rear of vertical pipe link (343) has the lug boss (344) extended back, and lug boss (344) is hinged with link span screw rod (341).
4. a kind of axle sleeve gripping feedway according to claim 1, it is characterized in that: described pivotal plate (22) is welded with electrical motor adapter plate (28), electrical motor adapter plate (28) comprises the vertical connecting portion (282) of the side downward bending of upper mounted plate (281) and upper mounted plate (281), vertical connecting portion (282) is weldingly fixed in pivotal plate (22), drive motor (25) is fixed on upper mounted plate (281), the output shaft of drive motor (25) is passed down through upper mounted plate (281) and is fixed with driven wheel (26).
5. a kind of axle sleeve gripping feedway according to claim 2, it is characterized in that: the top of described lifter plate (31) forms spiro union portion (311) and Plug Division (312), spiro union portion (311) has the screw axially run through, screw extends to the bottom surface of lifter plate (31), Plug Division (312) has the jack axially run through, jack extends to the bottom surface of lifter plate (31), rotating screw bolt (23) is screwed onto in screw, and position-limited lever (27) sleeve is in jack.
6. a kind of axle sleeve gripping feedway according to claim 2, it is characterized in that: the top of described rotating screw bolt (23) has spacing block (231), the diameter of spacing block (231) is greater than the diameter of rotating screw bolt (23).
7. a kind of axle sleeve gripping feedway according to claim 3, it is characterized in that: the lower end sidewall of described vertical pipe link (343) has connecting through hole (345), the outer wall top of two stay bearing plates (2) is all fixed with main connecting screw rod (3), stop collar (101) is inserted with in main connecting screw rod (3), the top sleeve of main connecting screw rod (3) is in connecting through hole (345) and be bolted with jam nut, vertical pipe link (343) is clamped between jam nut and stop collar (101), the bottom of stop collar (101) is pressed against on stay bearing plate (2).
8. a kind of axle sleeve gripping feedway according to claim 1, it is characterized in that: the madial wall of described axially extending bore (11) is fixed with wearing layer (8), the madial wall of described horizontal groove (41) is fixed with wearing layer (8), the outside wall surface of described grip block (42) is fixed with connecting portion (44), the top of the push rod of compression cylinder (5) is fixed on connecting portion (44).
CN201520207843.9U 2015-04-03 2015-04-03 A kind of axle sleeve gripping feedway CN204528595U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520207843.9U CN204528595U (en) 2015-04-03 2015-04-03 A kind of axle sleeve gripping feedway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520207843.9U CN204528595U (en) 2015-04-03 2015-04-03 A kind of axle sleeve gripping feedway

Publications (1)

Publication Number Publication Date
CN204528595U true CN204528595U (en) 2015-08-05

Family

ID=53742619

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520207843.9U CN204528595U (en) 2015-04-03 2015-04-03 A kind of axle sleeve gripping feedway

Country Status (1)

Country Link
CN (1) CN204528595U (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105414961A (en) * 2015-12-29 2016-03-23 山西顾德宝丰重工机械有限公司 Grabbing manipulator for carrier roller
CN105619626A (en) * 2016-03-18 2016-06-01 叶侃 Cutting adjusting mechanism for simple ceramic cutting device
CN105800299A (en) * 2016-05-30 2016-07-27 佛山市联智新创科技有限公司 Plastic barrel grabbing mechanism
CN105923368A (en) * 2016-06-16 2016-09-07 东莞市联洲知识产权运营管理有限公司 Frame type moving and conveying mechanism for communication accessories
CN106586541A (en) * 2016-12-30 2017-04-26 东莞市天合机电开发有限公司 Circuit board substrate grabbing and rotary conveying mechanism
CN106829454A (en) * 2016-12-30 2017-06-13 东莞市天合机电开发有限公司 A kind of circuit board substrate midway switching conveying mechanism
CN107088832A (en) * 2017-07-04 2017-08-25 陈佳佳 A kind of novel water glass device
CN107116468A (en) * 2017-07-04 2017-09-01 陈佳佳 A kind of cup device
CN108033182A (en) * 2017-12-14 2018-05-15 吴传江 A kind of unmanned warehouse logistics of wisdom beat bar code with unmanned plane automatically, getting in stocks sets system
CN108482926A (en) * 2018-03-21 2018-09-04 海门市彼维知识产权服务有限公司 A kind of efficient warehouse logistics robot
CN108531382A (en) * 2018-05-04 2018-09-14 温岭市仁全机械设备有限公司 Chip and gene order surveying method for gene sequencing
CN108910509A (en) * 2018-06-14 2018-11-30 胡梦婷 A kind of construction material Intelligent transfer robot

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105414961A (en) * 2015-12-29 2016-03-23 山西顾德宝丰重工机械有限公司 Grabbing manipulator for carrier roller
CN105619626A (en) * 2016-03-18 2016-06-01 叶侃 Cutting adjusting mechanism for simple ceramic cutting device
CN105800299B (en) * 2016-05-30 2017-11-21 河北世纪恒泰富塑业有限公司 A kind of Plastic Drum grasping mechanism
CN105800299A (en) * 2016-05-30 2016-07-27 佛山市联智新创科技有限公司 Plastic barrel grabbing mechanism
CN107555145B (en) * 2016-05-30 2019-10-29 浙江中野塑业股份有限公司 A kind of plastic barrel grasping means
CN107555145A (en) * 2016-05-30 2018-01-09 裘名金 A kind of Plastic Drum grasping means
CN105923368A (en) * 2016-06-16 2016-09-07 东莞市联洲知识产权运营管理有限公司 Frame type moving and conveying mechanism for communication accessories
CN106829454B (en) * 2016-12-30 2018-10-09 李建勋 A kind of circuit board substrate midway switching conveying mechanism
CN106829454A (en) * 2016-12-30 2017-06-13 东莞市天合机电开发有限公司 A kind of circuit board substrate midway switching conveying mechanism
CN106586541A (en) * 2016-12-30 2017-04-26 东莞市天合机电开发有限公司 Circuit board substrate grabbing and rotary conveying mechanism
CN109250482A (en) * 2016-12-30 2019-01-22 卢卫征 Circuit board substrate midway switching conveying mechanism
CN107088832A (en) * 2017-07-04 2017-08-25 陈佳佳 A kind of novel water glass device
CN107116468A (en) * 2017-07-04 2017-09-01 陈佳佳 A kind of cup device
CN108033182A (en) * 2017-12-14 2018-05-15 吴传江 A kind of unmanned warehouse logistics of wisdom beat bar code with unmanned plane automatically, getting in stocks sets system
CN108482926A (en) * 2018-03-21 2018-09-04 海门市彼维知识产权服务有限公司 A kind of efficient warehouse logistics robot
CN108531382A (en) * 2018-05-04 2018-09-14 温岭市仁全机械设备有限公司 Chip and gene order surveying method for gene sequencing
CN108910509A (en) * 2018-06-14 2018-11-30 胡梦婷 A kind of construction material Intelligent transfer robot
CN108910509B (en) * 2018-06-14 2019-12-20 安徽新博普曼智能科技股份有限公司 Building material intelligence transfer robot

Similar Documents

Publication Publication Date Title
CN206437794U (en) A kind of shaped steel carrying implement for building
CN204529213U (en) A kind of plate promotes Traverse Displacement Unit
CN202606740U (en) Unloading assembly
CN201980888U (en) Multifunctional mounting vehicle with middle groove
CN204777520U (en) Novel transport structure
CN204675661U (en) A kind of hoisting crane mechanical arm of maneuverability
CN102120547B (en) Multifunctional middle trough assembling and disassembling machine
CN101929346B (en) Hydraulic bracket assembling and disassembling machine with supporting upright column
CN102923461A (en) Loader conveyor
CN107187915A (en) A kind of cloth reel captures hoisting mechanism automatically
CN203045732U (en) Gripping device for disassembling and examining automobile
CN102718077A (en) Manual mechanical oil-pouring device
CN103835671B (en) With the rig of the automatic attaching/detaching apparatus of drilling rod
CN101936176B (en) Hydraulic bracket assembling machine
CN105347200A (en) Lifting conveying device for glass production assembly line
CN203685052U (en) Hoisting derrick special for coiled tubing equipment
CN203581793U (en) Grain and oil material conveying mechanism
CN101704158B (en) Round tube blanking beveller
CN103331816B (en) A kind of domestic ceramics automatic blank taking-up machine
CN204802757U (en) Automatic cable winding device of loading and unloading intermediate strut pole
CN107175364A (en) One kind automation oil pipe well external cutting off device
CN106041903A (en) Pipeline moving device based on fastness improving
CN103711437A (en) Hoisting derrick specially for coiled tubing equipment
CN201446365U (en) Welding platform conveying device
CN105905818A (en) Pipe lifting device

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150805

Termination date: 20160403

CF01 Termination of patent right due to non-payment of annual fee