CN207294038U - A kind of work about electric power platform - Google Patents

A kind of work about electric power platform Download PDF

Info

Publication number
CN207294038U
CN207294038U CN201720974908.1U CN201720974908U CN207294038U CN 207294038 U CN207294038 U CN 207294038U CN 201720974908 U CN201720974908 U CN 201720974908U CN 207294038 U CN207294038 U CN 207294038U
Authority
CN
China
Prior art keywords
support plate
work
fixedly connected
electric power
hydraulic 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.)
Expired - Fee Related
Application number
CN201720974908.1U
Other languages
Chinese (zh)
Inventor
钱志强
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.)
Huaian Re Feng Electrical Appliance Co Ltd
Original Assignee
Huaian Re Feng Electrical Appliance 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 Huaian Re Feng Electrical Appliance Co Ltd filed Critical Huaian Re Feng Electrical Appliance Co Ltd
Priority to CN201720974908.1U priority Critical patent/CN207294038U/en
Application granted granted Critical
Publication of CN207294038U publication Critical patent/CN207294038U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Forklifts And Lifting Vehicles (AREA)

Abstract

The utility model provides a kind of work about electric power platform, is related to workbench field.The work about electric power platform, including fixed plate, the corner of the fixed plate bottom is both provided with roller, the bottom of the fixed plate and L shaped plate is installed with the right side of the roller, screw rod is provided with above the L shaped plate, the top of the screw rod is installed with nut, and the bottom of the screw rod through L shaped plate and extends to the lower section of L shaped plate with being fixedly connected at the top of brake.The work about electric power platform, it is oily into flowline to hydraulic cylinder inside input hydraulic pressure by second, and first into flowline oil return, push rod is set to drive support plate to be lifted along guide rod, by first into flowline to hydraulic cylinder inside input hydraulic pressure oil, and second into flowline oil return, move down piston driving push rod, so that support plate reduces height along guide rod, the height of support plate may finally be adjusted as needed, consequently facilitating work and danger substantially reduce.

Description

A kind of work about electric power platform
Technical field
Stage technology field is the utility model is related to, is specially a kind of work about electric power platform.
Background technology
Electric power is the energy using electric energy as power.Invention is started in the 70's of 19th century, the invention and application of electric power Second of industrialization climax.Since 18th century of human history, one of scientific and technological revolution three times of world's generation, from this section's technological transformation The life of people is become.The large-scale application of electric power be unable to do without power engineering.Power engineering, i.e., production, conveying with electric energy, point With related engineering.The use of electric energy has penetrated into all fields of national economy and people's lives, becomes industry, agricultural, hands over The indispensable energy in the major impetus form and people's family life of logical transport and national defence, dragging, illumination, electric heating, Electrochemistry and communication etc. are widely used., it is necessary to electric power personnel in terms of the production, conveying, distribution of electric energy Periodically carry out maintenance maintenance.
At present during electric power overhaul, it is necessary to carry a large amount of instruments and want working at height, most of work about electric power platform Height be it is fixed, it is unadjustable, it is necessary to, it is necessary to which personnel's climbing is on workbench, so as to give work when carrying out operation to eminence Make troubles and danger greatly promotes.
Utility model content
(One)The technical problem of solution
In view of the deficiencies of the prior art, the utility model provides a kind of work about electric power platform, solves mesh mentioned above It is preceding during electric power overhaul, it is necessary to carry a large amount of instruments and want working at height, most of work about electric power platform height is fixed , it is unadjustable, it is necessary to, it is necessary to personnel's climbing is on workbench when carrying out operation to eminence so as to work make troubles with And danger the problem of greatly promoting.
(Two)Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:A kind of work about electric power platform, including Fixed plate, the corner of the fixed plate bottom are both provided with roller, the bottom of the fixed plate and consolidate positioned at the right side of roller Dingan County is equipped with L shaped plate, and screw rod is provided with above the L shaped plate, and the top of the screw rod is installed with nut, the screw rod Bottom through L shaped plate and extend to the lower section of L shaped plate with being fixedly connected at the top of brake, the center at the top of the fixed plate Place is installed with cylinder seat, and hydraulic cylinder is provided with the top of the cylinder seat, and the hydraulic cylinder is internally provided with piston, the work The top of plug is fixedly connected with the bottom of push rod, and the top of the push rod through hydraulic cylinder and extends to top and the branch of hydraulic cylinder It is fixedly connected, the top of the fixed plate and is symmetrically arranged with left and right sides of the support plate solid at the center of fagging bottom The side of reservation, the inside of the fixed seat and close support plate offers sliding slot, and the left and right sides of the support plate is solid Dingan County is equipped with contiguous block, and the inner wall of side and sliding slot of the contiguous block away from support plate is slidably connected, the contiguous block it is upper Side is provided with guide rod, and the bottom of the guide rod, which runs through contiguous block and extends to the lower section of contiguous block and the bottom of sliding slot, to be fixed and connect Connect, the top of the guide rod is installed with limited block, the surface of the guide rod and positioned at the bottom of contiguous block and sliding slot The first spring is socketed between bottom, one end of first spring is fixedly connected with the bottom of contiguous block, first spring The other end be fixedly connected with the bottom of sliding slot, the top and bottom on the right side of the hydraulic cylinder are respectively arranged with first into flowline It is fixedly connected with second into flowline, the corner of the support plate bottom with the top of compression bar, the bottom of the compression bar is run through Damper simultaneously extends to the inside of damper with being fixedly connected at the top of briquetting, the bottom of the briquetting and one end of second spring It is fixedly connected, the other end of the second spring is fixedly connected with the bottom inside damper.
Preferably, non-slip mat is provided with the top of the support plate, and is passed through at the top of the bottom of non-slip mat and support plate Glue bonds.
Preferably, the opening of the damper is provided with block, and offers what is be adapted with compression bar in the middle part of block Circular hole.
Preferably, the outer ring of the piston is provided with sealing ring, and the inner wall of the outer ring of sealing ring and hydraulic cylinder is slided and connected Connect.
Preferably, the hydraulic cylinder offers the through hole being adapted with push rod, and the inside of through hole with the junction of push rod It is provided with rubber ring.
Preferably, offer the rod aperture being adapted with screw rod in the L shaped plate, and the inner wall of rod aperture be provided with outside screw rod The internal thread that screw thread is adapted.
(Three)Beneficial effect
The utility model provides a kind of work about electric power platform.Possesses following beneficial effect:
1st, the work about electric power platform, by setting on the right side of hydraulic cylinder first into flowline and second into flowline with And the push rod being fixedly connected with the piston, and by the support plate being fixedly connected with push rod of setting and positioned at support plate bottom four The damper at angle, while by contiguous block of the setting at left and right sides of support plate and guide rod positioned at sliding slot bottom, from And by second into flowline to hydraulic cylinder inside input hydraulic pressure oil, and first into flowline oil return, makes piston driving push rod Action, so that support plate is lifted along guide rod, it is oily into flowline to hydraulic cylinder inside input hydraulic pressure by first, and the Two into flowline oil return, moves down piston driving push rod, so that support plate reduces height along guide rod, may finally root According to needing the height to support plate to be adjusted, consequently facilitating work and danger substantially reduce.
2nd, the work about electric power platform, by the non-slip mat being arranged at the top of support plate, and the bottom of non-slip mat and support plate Top is bonded by glue, so as to be effectively increased the frictional force between personnel, lifts security.
3rd, the work about electric power platform, offers and compression bar by being arranged on the block of damper opening, and in the middle part of block The circular hole being adapted, so as to effectively carry out compression bar stability that is spacing, and improving compression bar work, is not easy to rock.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the structure that the utility model is faced;
Fig. 2 is the utility model structural side view;
Fig. 3 is the internal structure schematic diagram of the utility model damper.
In figure:1 fixed plate, 2 rollers, 3 L shaped plates, 4 screw rods, 5 nuts, 6 brakes, 7 cylinder seats, 8 hydraulic cylinders, 9 pistons, 10 Push rod, 11 support plates, 12 non-slip mats, 13 fixed seats, 14 sliding slots, 15 contiguous blocks, 16 guide rods, 17 first springs, 18 first disengaging Oil pipe, 19 second are into flowline, 20 compression bars, 21 dampers, 22 briquettings, 23 second springs, 24 blocks, 25 limited blocks.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.
The utility model embodiment provides a kind of work about electric power platform, as shown in Figs. 1-3, including fixed plate 1,1 bottom of fixed plate The corner in portion is both provided with roller 2, convenient that fixed plate 1 is moved, the bottom of fixed plate 1 and the right side for being located at roller 2 L shaped plate 3 is installed with, the top of L shaped plate 3 is provided with screw rod 4, and the top of screw rod 4 is installed with nut 5, the bottom of screw rod 4 End is through L shaped plate 3 and extends to the lower section of L shaped plate 3 and is fixedly connected with the top of brake 6, facilitates and fixed plate 1 is made It is dynamic, the rod aperture being adapted with screw rod 4 is offered in L shaped plate 3, and the inner wall of rod aperture is provided with what is be adapted with 4 external screw thread of screw rod Internal thread, so as to facilitate screw rod 4 to drive brake 6 to act, cylinder seat 7, cylinder seat 7 are installed with the center at the top of fixed plate 1 Top be provided with hydraulic cylinder 8, hydraulic cylinder 8 be hydraulic energy is changed into mechanical energy, the hydraulic pressure that does straight reciprocating motion performs Element, its simple in structure, reliable operation, during with it to realize reciprocating motion, can remove deceleration device from, and without being driven between Gap, stable movement, hydraulic cylinder 8 are internally provided with piston 9, and the outer ring of piston 9 is provided with sealing ring, and the outer ring of sealing ring with The inner wall of hydraulic cylinder 8 is slidably connected, effectively prevent hydraulic oil by the gap leakage between the inner wall of piston 9 and hydraulic cylinder 8 and The performance of hydraulic cylinder 8 is reduced, the top of piston 9 is fixedly connected with the bottom of push rod 10, and hydraulic cylinder 8 is run through simultaneously in the top of push rod 10 The top of hydraulic cylinder 8 is extended to being fixedly connected at the center of 11 bottom of support plate, hydraulic cylinder 8 and the junction of push rod 10 open up There is a through hole being adapted with push rod 10, and through hole is internally provided with rubber ring, easy to piston 9 drives push rod 10 to move, and it is anti- Only hydraulic oil is oozed out by through hole to pollute environment, and the top of support plate 11 is provided with non-slip mat 12, and the bottom of non-slip mat 12 Bonded with the top of support plate 11 by glue, so as to be effectively increased the frictional force between personnel, lift security, fixed plate 1 top and it is symmetrically arranged with fixed seat 13 positioned at the left and right sides of support plate 11, the inside of fixed seat 13 and close to branch The side of fagging 11 offers sliding slot 14, and the left and right sides of support plate 11 is installed with contiguous block 15, and contiguous block 15 is remote The side of support plate 11 and the inner wall of sliding slot 14 are slidably connected, and the top of contiguous block 15 is provided with guide rod 16, the bottom of guide rod 16 It is fixedly connected through contiguous block 15 and the lower section that extends to contiguous block 15 with the bottom of sliding slot 14, effectively lifts support plate 11 and act Stability, make support plate 11 be not easy to rock, the top of guide rod 16 is installed with limited block 25, the surface and position of guide rod 16 The first spring 17 is socketed between the bottom of contiguous block 15 and the bottom of sliding slot 14, easy to support plate 11 into row buffering, One end of one spring 17 is fixedly connected with the bottom of contiguous block 15, and the other end of the first spring 17 is fixed with the bottom of sliding slot 14 to be connected Connect, the top and bottom on the right side of hydraulic cylinder 8 are respectively arranged with first into flowline 18 and second into flowline 19, and first into fuel-displaced Pipe 18 and second is connected into flowline 19 with exterior fuel reserve tank, and the top of the corner of 11 bottom of support plate with compression bar 20 is fixed Connection, the bottom of compression bar 20 is through damper 21 and extends to the inside of damper 21 and is fixedly connected with the top of briquetting 22, subtracts The opening of shake device 21 is provided with block 24, and the middle part of block 24 offers the circular hole being adapted with compression bar 20, so that effectively Stability that is spacing, and improving the work of compression bar 20 is carried out to compression bar 20, is not easy to rock, bottom and the second spring 23 of briquetting 22 One end be fixedly connected, the other end of second spring 23 is fixedly connected with the bottom inside damper 21.
Operation principle:In use, by second into flowline 19 to 8 inside input hydraulic pressure oil of hydraulic cylinder, and first into 18 oil return of flowline, makes piston 9 drive push rod 10 to act, so that support plate 11 is lifted along guide rod 16, passes through first Into flowline 18 to 8 inside input hydraulic pressure oil of hydraulic cylinder, and second into 19 oil return of flowline, makes piston 9 drive push rod 10 downward It is mobile, so that support plate 11 reduces height along guide rod 16, the height of support plate 11 may finally be adjusted as needed Section.
In conclusion the work about electric power platform, by setting positioned at hydraulic cylinder 8 right side first into flowline 18 and second The push rod 10 being fixedly connected into flowline 19 and with piston 9, and the support plate 11 being fixedly connected with push rod 10 for passing through setting And the damper 21 positioned at 11 bottom four corners of support plate, while the contiguous block positioned at the left and right sides of support plate 11 for passing through setting 15 and the guide rod 16 positioned at 14 bottom of sliding slot, so that by second into flowline 19 to 8 inside input hydraulic pressure oil of hydraulic cylinder, and And first into 18 oil return of flowline, piston 9 is set to drive push rod 10 to act, so that support plate 11 is lifted along guide rod 16, By first into flowline 18 to 8 inside input hydraulic pressure oil of hydraulic cylinder, and second into 19 oil return of flowline, drives piston 9 and pushes away Bar 10 moves down, so that support plate 11 reduces height along guide rod 16, may finally be as needed to the height of support plate 11 Degree is adjusted, consequently facilitating work and danger substantially reduce.
Secondly, by being arranged on the non-slip mat 12 at the top of support plate 11, and the bottom of non-slip mat 12 and the top of support plate 11 Portion is bonded by glue, so as to be effectively increased the frictional force between personnel, lifts security.
Also, by being arranged on the block 24 of 21 opening of damper, and the middle part of block 24 offers and 20 phase of compression bar The circular hole of adaptation, so as to effectively carry out compression bar 20 stability that is spacing, and improving the work of compression bar 20, is not easy to rock.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment Intrinsic key element.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of work about electric power platform, including fixed plate(1), the fixed plate(1)The corner of bottom is both provided with roller(2), its It is characterized in that:The fixed plate(1)Bottom and be located at roller(2)Right side be installed with L shaped plate(3), the L shaped plate (3)Top be provided with screw rod(4), the screw rod(4)Top be installed with nut(5), the screw rod(4)Bottom pass through Wear L shaped plate(3)And extend to L shaped plate(3)Lower section and brake(6)Top be fixedly connected, the fixed plate(1)Top Cylinder seat is installed with center(7), the cylinder seat(7)Top be provided with hydraulic cylinder(8), the hydraulic cylinder(8)Inside It is provided with piston(9), the piston(9)Top and push rod(10)Bottom be fixedly connected, the push rod(10)Top pass through Wear hydraulic cylinder(8)And extend to hydraulic cylinder(8)Top and support plate(11)It is fixedly connected at the center of bottom, the fixed plate (1)Top and be located at support plate(11)The left and right sides be symmetrically arranged with fixed seat(13), the fixed seat(13)It is interior Portion and close support plate(11)Side offer sliding slot(14), the support plate(11)The left and right sides be installed with Contiguous block(15), the contiguous block(15)Away from support plate(11)Side and sliding slot(14)Inner wall be slidably connected, the company Connect block(15)Top be provided with guide rod(16), the guide rod(16)Bottom run through contiguous block(15)And extend to contiguous block (15)Lower section and sliding slot(14)Bottom be fixedly connected, the guide rod(16)Top be installed with limited block(25), institute State guide rod(16)Surface and be located at contiguous block(15)Bottom and sliding slot(14)Bottom between be socketed with the first spring (17), first spring(17)One end and contiguous block(15)Bottom be fixedly connected, first spring(17)It is another End and sliding slot(14)Bottom be fixedly connected, the hydraulic cylinder(8)First is respectively arranged with the top and bottom of right side into fuel-displaced Pipe(18)With second into flowline(19), the support plate(11)The corner of bottom is and compression bar(20)Top be fixedly connected, The compression bar(20)Bottom run through damper(21)And extend to damper(21)Inside and briquetting(22)Top fix Connection, the briquetting(22)Bottom and second spring(23)One end be fixedly connected, the second spring(23)The other end With damper(21)Internal bottom is fixedly connected.
A kind of 2. work about electric power platform according to claim 1, it is characterised in that:The support plate(11)Top be provided with Non-slip mat(12), and non-slip mat(12)Bottom and support plate(11)Top bonded by glue.
A kind of 3. work about electric power platform according to claim 1, it is characterised in that:The damper(21)Opening set There is block(24), and block(24)Middle part offer and compression bar(20)The circular hole being adapted.
A kind of 4. work about electric power platform according to claim 1, it is characterised in that:The piston(9)Outer ring be provided with it is close Seal, and the outer ring of sealing ring and hydraulic cylinder(8)Inner wall be slidably connected.
A kind of 5. work about electric power platform according to claim 1, it is characterised in that:The hydraulic cylinder(8)With push rod(10)'s Junction offers and push rod(10)The through hole that is adapted, and through hole is internally provided with rubber ring.
A kind of 6. work about electric power platform according to claim 1, it is characterised in that:The L shaped plate(3)On offer and screw rod (4)The rod aperture being adapted, and the inner wall of rod aperture is provided with and screw rod(4)The internal thread that external screw thread is adapted.
CN201720974908.1U 2017-08-07 2017-08-07 A kind of work about electric power platform Expired - Fee Related CN207294038U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720974908.1U CN207294038U (en) 2017-08-07 2017-08-07 A kind of work about electric power platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720974908.1U CN207294038U (en) 2017-08-07 2017-08-07 A kind of work about electric power platform

Publications (1)

Publication Number Publication Date
CN207294038U true CN207294038U (en) 2018-05-01

Family

ID=62448494

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720974908.1U Expired - Fee Related CN207294038U (en) 2017-08-07 2017-08-07 A kind of work about electric power platform

Country Status (1)

Country Link
CN (1) CN207294038U (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108640034A (en) * 2018-07-20 2018-10-12 格力电器(武汉)有限公司 A kind of lifting gear
CN108903194A (en) * 2018-07-04 2018-11-30 浙江御匠箱包有限公司 A kind of damping pallet for trolley case
CN109049822A (en) * 2018-07-24 2018-12-21 芜湖渤江智能科技有限公司 A kind of automobile stamping platform with adjusting height
CN109248876A (en) * 2018-11-16 2019-01-22 王同华 A kind of clinical laboratory's equipment cleaning chlorination equipment
CN109586224A (en) * 2018-12-17 2019-04-05 国家电网有限公司 Combined electrical apparatus bus bar canister mounting platform
CN109795965A (en) * 2019-03-13 2019-05-24 贵州大学 A kind of supporting component devices of mobile hydraulic lifting platform
CN111001975A (en) * 2019-12-26 2020-04-14 唐山学院 Welding workbench
KR102127520B1 (en) * 2020-01-17 2020-06-26 주식회사 혜성하이테크 Hole forming device
CN111577114A (en) * 2020-05-25 2020-08-25 国家电网有限公司 Scalable insulating two ladders of electric power construction
CN111578052A (en) * 2020-04-15 2020-08-25 深圳供电局有限公司 Maintenance tool
CN112265943A (en) * 2020-11-12 2021-01-26 国网山西省电力公司临汾供电公司 Safe lifting frame for power grid construction

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108903194A (en) * 2018-07-04 2018-11-30 浙江御匠箱包有限公司 A kind of damping pallet for trolley case
CN108640034A (en) * 2018-07-20 2018-10-12 格力电器(武汉)有限公司 A kind of lifting gear
CN109049822A (en) * 2018-07-24 2018-12-21 芜湖渤江智能科技有限公司 A kind of automobile stamping platform with adjusting height
CN109248876A (en) * 2018-11-16 2019-01-22 王同华 A kind of clinical laboratory's equipment cleaning chlorination equipment
CN109586224A (en) * 2018-12-17 2019-04-05 国家电网有限公司 Combined electrical apparatus bus bar canister mounting platform
CN109795965A (en) * 2019-03-13 2019-05-24 贵州大学 A kind of supporting component devices of mobile hydraulic lifting platform
CN111001975A (en) * 2019-12-26 2020-04-14 唐山学院 Welding workbench
KR102127520B1 (en) * 2020-01-17 2020-06-26 주식회사 혜성하이테크 Hole forming device
CN111578052A (en) * 2020-04-15 2020-08-25 深圳供电局有限公司 Maintenance tool
CN111577114A (en) * 2020-05-25 2020-08-25 国家电网有限公司 Scalable insulating two ladders of electric power construction
CN112265943A (en) * 2020-11-12 2021-01-26 国网山西省电力公司临汾供电公司 Safe lifting frame for power grid construction

Similar Documents

Publication Publication Date Title
CN207294038U (en) A kind of work about electric power platform
CN208932845U (en) A kind of hoisting machine of tower crane structure equipped with lubrication system
CN201379047Y (en) Hydraulic press for pressing bean curd
CN207303790U (en) A kind of electric power overhaul workbench
CN205651442U (en) It is adjustable apart from formula punching machine
CN105346897A (en) Garbage dumping mechanism
CN207230049U (en) A kind of dumbwaiter for building
CN207434930U (en) A kind of architectural engineering lifting platform of safety and stability
CN203428719U (en) Equipment moving head
CN206367750U (en) A kind of compression set of vertical-compression type garbage apparatus
CN206536430U (en) Fit up material bearing device
CN201566153U (en) Frame type hydraulic press
CN203739261U (en) Lifting movable garbage compressor for garbage transfer station
CN208916715U (en) A kind of strip mill hydraulic pressure lifting device
CN208086209U (en) A kind of material baling press of full hydraulic drive
CN206798395U (en) A kind of band is weighed shuttle
CN201824569U (en) Hydraulic press
CN206337002U (en) A kind of lubricating oil bung pressing device
CN206767481U (en) A kind of diesel-engine body hanging apparatus
CN204851251U (en) Height -adjustable festival coal -winning machine fuselage unit
CN110593824A (en) Non-beam type balance energy-saving oil pumping machine
CN204625019U (en) A kind of light pneumatic lifting appliance
CN204675191U (en) A kind of jacking system for trash compactor and trash compactor
CN204036888U (en) A kind of vertical fiber sheet pressing machine
CN208883304U (en) A kind of cylinder, pipe fitting lifting device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180501

Termination date: 20180807

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