CN104400750B - Pipeline valve dismounting assistive tool and pipeline valve dismounting method - Google Patents

Pipeline valve dismounting assistive tool and pipeline valve dismounting method Download PDF

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Publication number
CN104400750B
CN104400750B CN201410743876.5A CN201410743876A CN104400750B CN 104400750 B CN104400750 B CN 104400750B CN 201410743876 A CN201410743876 A CN 201410743876A CN 104400750 B CN104400750 B CN 104400750B
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CN
China
Prior art keywords
pipe valve
workbench
studdle
rod hinge
self
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
CN201410743876.5A
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Chinese (zh)
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CN104400750A (en
Inventor
谢加荣
王考考
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.)
ANHUI XIANGSHUIJIAN PUMPED STORAGE STATION
State Grid Corp of China SGCC
State Grid Xinyuan Co Ltd
Original Assignee
ANHUI XIANGSHUIJIAN PUMPED STORAGE STATION
State Grid Corp of China SGCC
State Grid Xinyuan Co Ltd
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Application filed by ANHUI XIANGSHUIJIAN PUMPED STORAGE STATION, State Grid Corp of China SGCC, State Grid Xinyuan Co Ltd filed Critical ANHUI XIANGSHUIJIAN PUMPED STORAGE STATION
Priority to CN201410743876.5A priority Critical patent/CN104400750B/en
Publication of CN104400750A publication Critical patent/CN104400750A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/14Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
    • B25H1/16Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/24Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Handcart (AREA)

Abstract

The invention discloses a pipeline valve dismounting assistive tool and a pipeline valve dismounting method. The dismounting assistive tool comprises a mobile trolley; a lifting worktable is arranged on the mobile trolley and provided with a rotary supporting seat for supporting a pipeline valve. The pipeline valve dismounting method can realize dismounting of the pipeline valve by using the pipeline valve dismounting assistive tool; the pipeline valve dismounting assistive tool and the pipeline valve dismounting method disclosed by the invention can be used for conveniently and rapidly dismounting high-attitude pipeline valves and valves which are heavy in weight; the high-attitude pipeline valves and the valves which are heavy in weight are convenient to operate, labor can also be saved, the work efficiency can be improved and the safety in work can be guaranteed as well.

Description

A kind of pipe valve dismounting accessory and pipe valve assembly and disassembly methods
Technical field
The present invention relates to pipe valve maintenance technique, and in particular to a kind of pipe valve dismounting accessory and pipe valve dismounting Method.
Background technology
In line service, be frequently encountered carries out maintenance, repair and replacing to pipe valve, if high blank pipe In the road and larger valve of weight, the method being usually taken is exactly that valve is hung using suspender belt, then realizes pipe valve Dismounting.This method has outside the requirement of harshness except loaded down with trivial details to high-altitude fulcrum, the quality of suspender belt, the binding method of valve and The factor such as personnel requirement amount is big also virtually increased the danger of work;One simple and clear work becomes complicated, and when Between it is longer, expend substantial amounts of manpower.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of not only easy to operate, manpower is saved, and pacified The pipe valve dismounting accessory of Quan Xinggao and pipe valve assembly and disassembly methods.
To achieve these goals, the technical solution used in the present invention is:
The pipe valve dismounting accessory, including moving cart, the moving cart is provided with self-powered platform, the lifting Workbench is provided with the rotatable support base for being used to support pipe valve.
The self-powered platform includes workbench, and the support base is located on the workbench;The moving cart On set with the workbench bottom connection connecting rod hinge mechanism, set in the moving cart and the connecting rod hinge mechanism connect The lifting hydraulic cylinder for connecing.
The connecting rod hinge mechanism is hinged by more than one group two rod hinge connection structures and is constituted.
The two rod hinge connections structure is made up of two connecting rods middle part cross-articulation.
Two rod hinge connection structures and moving cart positioned at connecting rod hinge mechanism bottom are hinged, the two rod hinge connections structure The piston rod of one connecting rod bottom and lifting hydraulic cylinder is hinged.One connecting rod bottom of the two rod hinge connections structure is provided with and raise-lower hydraulic The hinge seat of the piston rod connection of cylinder.
The moving cart is provided with studdle, and the studdle stretches out the workbench, the workbench On the studdle, the studdle is provided with locking nut to empty set in the workbench lower position.
The support base is made up of the rotating disk and the support block on the rotating disk that connect with the workbench, described Support block is provided with the fixing groove being adapted with pipe valve.
The fixing groove is provided with rubber blanket.
The moving cart includes chassis, and the chassis lower section is provided with the universal wheel of strap brake;The chassis side is provided with Push rod.
A kind of pipe valve assembly and disassembly methods, dismount accessory to realize using above-mentioned pipe valve, and specific operation process is:
Moving cart is pushed into into pipe valve lower section;
Self-powered platform is risen to into valve location, makes support base be located at immediately below pipe valve and prop up pipeline valve after adjustment Door;
Locking nut is screwed, self-powered platform position is fixed;
Remove pipe valve;
Pipe valve is removed after finishing, and somewhat raises self-powered platform, and come loose locking nut, and locking nut is put into into support Screw rod bottom position, control self-powered platform declines;
Self-powered platform is down to setting position, removes studdle, and pipe valve is pushed into appointed place.
It is an advantage of the current invention that:The pipe valve dismounting accessory, pipe valve and the larger valve dismounting of weight in high-altitude When, there is provided Auxiliary support is acted on, and high-altitude pipe valve and the larger valve energy fast and easy of weight complete dismounting;High-altitude pipe valve With the maintenance of the larger valve of weight, it is not only easy to operate, and save manpower, improve operating efficiency while, ensure that work Security.
The assembly and disassembly methods of the pipe valve, are realized using the dismounting accessory of pipe valve, high-altitude pipe valve and weight Larger valve energy fast and easy completes dismounting;Not only maintenance operation is convenient, and saves manpower, while improving operating efficiency, energy Enough ensure job security.
Description of the drawings
The mark in the content and figure of each width accompanying drawing expression of description of the invention is briefly described below:
Fig. 1 is the structural representation that the utility model pipe valve dismounts accessory.
Fig. 2 is the schematic diagram of the two rod hinge connection structures that Fig. 1 pipe valves dismount accessory.
Mark in above-mentioned figure is:
1st, moving cart, 2, support base, 3, workbench, 4, connecting rod hinge mechanism, 5, two rod hinge connection structures, 6, even Bar, 7, studdle, 8, locking nut, 9, rotating disk, 10, support block, 11, fixing groove, 12, rubber blanket, 13, chassis, 14, universal Wheel, 15, push rod, 16, pipe valve, 18, lifting hydraulic cylinder, 19, mounting seat.
Specific embodiment
Below against accompanying drawing, by the description to optimum embodiment, the specific embodiment of the present invention is made further in detail Thin explanation.
As shown in figure 1, the pipe valve dismounts accessory, including moving cart 1, moving cart 1 is provided with self-powered platform, Self-powered platform is provided with the rotatable support base 2 for being used to support pipe valve 16.Moving cart 1 can be moved conveniently To the position for needing dismounting, the convenient to disassembly of pipe valve 16 is made;Self-powered platform can be lifted, and meet pipe valve 16 Dismounting demand;Support base 2 can be rotated around self-powered platform, and support base 2 can turn from any direction, meet different directions pipeline Pipe valve 16 dismounts demand;Support base 2 is supported on pipe valve 16, and pipe valve 16 is dismounted under the support of support base 2 When it is convenient and swift.The pipe valve dismounting accessory, when pipe valve and the larger valve of weight are dismounted in high-altitude, there is provided Auxiliary support Effect, high-altitude pipe valve and the larger valve energy fast and easy of weight complete dismounting, not only easy to operate, and save manpower, carry While high workload efficiency, job security is ensure that.
Self-powered platform includes workbench 3, and support base 2 is located on workbench 3;Set and work flat in moving cart 1 The connecting rod hinge mechanism 4 of the bottom of platform 3 connection, sets the lifting hydraulic cylinder 18 with the connection of connecting rod hinge mechanism 4 in moving cart 1.Rise The piston rod of descending liquid cylinder pressure 18 is extended and retracted, and connecting rod hinge mechanism 4 is opened and retracted, and realizes the lifting of workbench 3, with full The work requirements of sufficient high-altitude pipe valve dismounting.
Connecting rod hinge mechanism 4 is hinged by two rod hinge connections structure 5 more than two and is constituted.Constitute connecting rod hinge mechanism 4 The number of two rod hinge connection structures 5, adjustable height that can be according to actual needs is adjusting.With two group of two rod hinge connection structure 5 As a example by the connecting rod hinge mechanism 4 of composition, one group of two one end of rod hinge connection structure 5 of the bottom of connecting rod hinge mechanism 4 and moving cart 1 It is hinged, one group of two one end of rod hinge connection structure 5 on the top of connecting rod hinge mechanism 4 and workbench 3 are hinged, two group of two rod hinge connection The other end end of structure 5 is hinged.The connecting rod hinge mechanism 4 that two rod hinge connections structure 5 more than two is constituted, connecting rod link machine Two rod hinge connection structures 5 in the middle of structure 4 are hinged each other.In the presence of lifting hydraulic cylinder 18, connecting rod hinge mechanism 4 is opened And retraction, the lifting of workbench 3 is realized, to meet the work requirements of high-altitude pipe valve dismounting.Connecting rod hinge mechanism 4 is caused Workbench 3 is lifted steadily, and the dismounting of the pipe valve 16 accessory functional reliability is preferable.
Further, as shown in Fig. 2 two rod hinge connection structures 5 are made up of the middle part cross-articulation of two connecting rod 6.Connecting rod link Mechanism 4 has two rod hinge connections structure 5 more than two to be hinged composition, and connecting rod hinge mechanism 4 is moved steadily.
Two rod hinge connection structures 5 and moving cart 1 positioned at the bottom of connecting rod hinge mechanism 4 are hinged, the two rod hinge connections knot The bottom of one connecting rod 6 of structure 5 and the piston rod of lifting hydraulic cylinder 18 are hinged;The bottom of one connecting rod 6 of the two rod hinge connections structure 5 is provided with The hinge seat connected with the piston rod of lifting hydraulic cylinder 18.The piston rod of lifting hydraulic cylinder 18 applies active force to connecting rod 6, realizes The steady opening of connecting rod hinge mechanism 4 and contraction, self-powered platform is steadily lifted.
Moving cart 1 is provided with studdle 7, and studdle 7 stretches out workbench 3, and the empty set of workbench 3 is supporting spiral shell On bar 7, studdle 7 is provided with locking nut 8 in the lower position of workbench 3.Studdle 7 is the screw rod that surface is screw thread, The length of studdle 7 is more than the range of self-powered platform, and the one end of studdle 7 is fixed in moving cart 1, moving cart 1 is provided with the screwed hole for installing studdle 7.It is preferred that studdle 7 is four, it is each on 3 four angles of workbench to arrange one. When workbench 3 is increased to specified altitude assignment, locking nut 8 is fixed on the other end of studdle 7, studdle 7 and connecting rod cut with scissors Chain mechanism 4 and lifting hydraulic cylinder 18 are come together contour fixed workbench 3.Workbench 3 is fixed using studdle 7, is being risen When descending liquid cylinder pressure 18 has slight permeability to be not enough to provide bracing force, studdle 7 can be fixed reliably and support working platform 3, to ensure the functional reliability of self-powered platform.
Support block 10 of the support base 2 by the rotating disk 9 connected with workbench 3 and on rotating disk 9 is constituted, in support block 10 It is provided with the fixing groove 11 being adapted with pipe valve 16.The bottom of rotating disk 9 is provided with the pillar connected by bearing with workbench 3, Support block 10 and rotating disk 9 are welded.Pillar can be rotated on workbench 3 so that the support block 10 on rotating disk 9 and rotating disk 9 can Rotate on workbench 3, to meet the dismounting demand of different directions pipe valve 16, further improve operation ease. Fixing groove 11 and the profile of pipe valve 16 are adapted, to provide reliable and stable supporting role.
Fixing groove 11 is provided with rubber blanket 12.Rubber blanket 12 is that pipe valve 16 provides protective effect, effectively prevents pipeline The surface of valve 16 is damaged.
Moving cart 1 includes chassis 13, and the lower section of chassis 13 is provided with the universal wheel 14 of strap brake;The sidepiece of chassis 13 is provided with push rod 15.Lifting hydraulic cylinder 18 and connecting rod hinge mechanism 4 are each attached on chassis 13, and the lower section of chassis 13 is provided with installation lifting hydraulic cylinder 18 Mounting seat 19, mounting seat 19 realizes that the inclination of lifting hydraulic cylinder 18 is installed, and that realizes lifting hydraulic cylinder 18 and connecting rod 6 can By being stably connected with so that the power of the upper piston rod of lifting hydraulic cylinder 18 reliable and stable can be applied on connecting rod hinge mechanism 4.Support Screw rod 7 is fixed on chassis 13, and the screwed hole with the connection of studdle 7 is equipped with the angle of 13 4, chassis.Pacify the bottom of chassis 13 4 universal wheels 14 are filled, each universal wheel 14 is reliable to fix dolly equipped with brake structure;Universal wheel 14 is so that moving cart can Any position is moved to, to meet work requirements.Push rod 15 is convenient to promote moving cart 1, to meet work requirements.
The pipe valve assembly and disassembly methods, realize, specific operation process is using above-mentioned pipe valve dismounting accessory:
Moving cart 1 is pushed into into the lower section of pipe valve 16;Studdle 7 is fixed on into movement through after workbench 3 little On the chassis 13 of car 1, the studdle 7 between the chassis 13 of moving cart 1 and workbench 3 leaves fixed locking nut 8;
Self-powered platform is risen to into valve location, makes support base 2 be located at immediately below pipe valve 16 and prop up pipe after adjustment Road valve 16;One manually operated hydraulic platform, is increased to valve location, is placed in after fine setting immediately below valve and props up Valve;
Locking nut 8 is screwed, self-powered platform position is fixed;Using the stationary work-table of studdle 7, have in hydraulic mechanism Slight permeability is not enough to reliably be fixed and support works platform when providing bracing force;
Remove pipe valve 16;Pipe valve 16 is removed after finishing, and somewhat raises self-powered platform, and come loose locking nut 8, Locking nut 8 is put into into the bottom position of studdle 7, control self-powered platform declines;
Self-powered platform is down to setting position, removes studdle 7, and pipe valve 16 is pushed into appointed place.
The assembly and disassembly methods of the pipe valve, are realized using the dismounting accessory of pipe valve, high-altitude pipe valve and weight Larger valve energy fast and easy completes dismounting;It is not only easy to operate, and manpower is saved, while improving operating efficiency, Neng Goubao Card job security.
Obviously the present invention is implemented and is not subject to the restrictions described above, as long as employing method of the present invention design and skill The improvement of the various unsubstantialities that art scheme is carried out, within protection scope of the present invention.

Claims (2)

1. a kind of pipe valve dismounts accessory, it is characterised in that:Including moving cart, the moving cart is provided with lifting work Platform, the self-powered platform is provided with the rotatable support base for being used to support pipe valve;The self-powered platform includes work Make platform, the support base is located on the workbench;The moving cart is provided with and workbench bottom connection Connecting rod hinge mechanism, the moving cart be provided with the connecting rod hinge mechanism connection lifting hydraulic cylinder;The movement Dolly is provided with studdle, and the studdle stretches out the workbench, and the studdle is under the workbench Orientation has installed locking nut;The studdle is four, each on four angles of workbench to arrange one;Workbench is raised During to specified altitude assignment, locking nut, studdle and connecting rod hinge mechanism and raise-lower hydraulic are fixed on the other end of studdle Cylinder is come together contour fixed workbench;The support base is by the rotating disk connected with the workbench and on the rotating disk Support block constitute, the support block is provided with the fixing groove being adapted with pipe valve;The connecting rod hinge mechanism is by one group The rod hinge connection structure of the above two is hinged composition;The two rod hinge connections structure is made up of two connecting rods middle part cross-articulation;It is located at Two rod hinge connection structures of connecting rod hinge mechanism bottom and moving cart are hinged, a connecting rod bottom of the two rod hinge connections structure and The piston rod of lifting hydraulic cylinder is hinged;The fixing groove is provided with rubber blanket;The moving cart includes chassis, under the chassis Side is provided with the universal wheel of strap brake;The chassis side is provided with push rod.
2. a kind of pipe valve assembly and disassembly methods, are realized using the pipe valve dismounting accessory described in claim 1, and its feature exists In:Specific operation process is:
Moving cart is pushed into into pipe valve lower section;
Self-powered platform is risen to into valve location, makes support base be located at immediately below pipe valve and prop up pipe valve after adjustment;
Locking nut is screwed, self-powered platform position is fixed;
Remove pipe valve;
Pipe valve is removed after finishing, and somewhat raises self-powered platform, and come loose locking nut, and locking nut is put into into studdle Bottom position, control self-powered platform declines;
Self-powered platform is down to setting position, removes studdle, and pipe valve is pushed into appointed place.
CN201410743876.5A 2014-12-08 2014-12-08 Pipeline valve dismounting assistive tool and pipeline valve dismounting method Active CN104400750B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410743876.5A CN104400750B (en) 2014-12-08 2014-12-08 Pipeline valve dismounting assistive tool and pipeline valve dismounting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410743876.5A CN104400750B (en) 2014-12-08 2014-12-08 Pipeline valve dismounting assistive tool and pipeline valve dismounting method

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CN104400750B true CN104400750B (en) 2017-05-10

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CN107855975A (en) * 2017-11-06 2018-03-30 上海烟草集团有限责任公司 Moving plate more changing device
CN107984416A (en) * 2017-12-29 2018-05-04 博雷(中国)控制系统有限公司 The assembly tooling of valve rod
CN110153787B (en) * 2019-07-10 2024-02-02 柳州铁道职业技术学院 Protection device of digit control machine tool
CN113044088B (en) * 2019-12-26 2022-05-31 北京铁路信号有限公司 Device for dismounting train bottom receiving antenna unit
CN111716087A (en) * 2020-07-31 2020-09-29 中国南方电网有限责任公司超高压输电公司大理局 Motor replacing device for air cooler of converter station
CN112406974A (en) * 2020-10-13 2021-02-26 国网浙江嵊州市供电有限公司 Hydraulic jacking type carrying vehicle for cement electric poles

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007095672A1 (en) * 2006-02-20 2007-08-30 Easy Place Trolleys Pty Ltd Lifting trolley
CN102060250A (en) * 2009-11-12 2011-05-18 张�杰 Lifting device used by forklift
CN202717550U (en) * 2012-07-23 2013-02-06 金华市亚虎工具有限公司 Electric lifting platform
CN202864825U (en) * 2012-09-29 2013-04-10 广西工学院 Shear fork type lifting device
CN203390879U (en) * 2013-07-12 2014-01-15 中国石油天然气股份有限公司 Trolley type oil filed steam injection boiler safety valve dismounting and mounting frame
CN203680232U (en) * 2014-02-10 2014-07-02 张洪岐 Adjustable supporting device for disassembling and assembling gate valve
CN204322004U (en) * 2014-12-08 2015-05-13 国家电网公司 A kind of pipe valve dismounting accessory

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013075606A (en) * 2011-09-30 2013-04-25 Atex Co Ltd Platform of movable carriage

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007095672A1 (en) * 2006-02-20 2007-08-30 Easy Place Trolleys Pty Ltd Lifting trolley
CN102060250A (en) * 2009-11-12 2011-05-18 张�杰 Lifting device used by forklift
CN202717550U (en) * 2012-07-23 2013-02-06 金华市亚虎工具有限公司 Electric lifting platform
CN202864825U (en) * 2012-09-29 2013-04-10 广西工学院 Shear fork type lifting device
CN203390879U (en) * 2013-07-12 2014-01-15 中国石油天然气股份有限公司 Trolley type oil filed steam injection boiler safety valve dismounting and mounting frame
CN203680232U (en) * 2014-02-10 2014-07-02 张洪岐 Adjustable supporting device for disassembling and assembling gate valve
CN204322004U (en) * 2014-12-08 2015-05-13 国家电网公司 A kind of pipe valve dismounting accessory

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