CN104400750B - Pipeline valve dismounting assistive tool and pipeline valve dismounting method - Google Patents
Pipeline valve dismounting assistive tool and pipeline valve dismounting method Download PDFInfo
- 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
- Authority
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 29
- 230000008569 process Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/16—Work 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand 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
- B25B27/24—Hand 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
Landscapes
- 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
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.
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104400750A CN104400750A (en) | 2015-03-11 |
CN104400750B true CN104400750B (en) | 2017-05-10 |
Family
ID=52638449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410743876.5A Active CN104400750B (en) | 2014-12-08 | 2014-12-08 | Pipeline valve dismounting assistive tool and pipeline valve dismounting method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104400750B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107082383A (en) * | 2017-06-07 | 2017-08-22 | 中国三冶集团有限公司 | Multipurpose engineering machinery chassis main gear reducer and hub reduction machine overhauling lift |
CN107671582B (en) * | 2017-08-29 | 2024-02-06 | 浙江昊能光电股份有限公司 | Main shaft replacing device for efficient slicing machine |
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013075606A (en) * | 2011-09-30 | 2013-04-25 | Atex Co Ltd | Platform of movable carriage |
-
2014
- 2014-12-08 CN CN201410743876.5A patent/CN104400750B/en active Active
Patent Citations (7)
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 |
Also Published As
Publication number | Publication date |
---|---|
CN104400750A (en) | 2015-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104400750B (en) | Pipeline valve dismounting assistive tool and pipeline valve dismounting method | |
CN203282964U (en) | Wheel assembly installing and dismounting device | |
CN102528419A (en) | Disassembling vehicle for front landing gear of airplane and control method of disassembling vehicle | |
CN104167677B (en) | A kind of adjustable dedicated hydraulic moving lifting car | |
CN104986199A (en) | Device for dismounting and mounting tire | |
CN205172590U (en) | Make up multi -purpose tunnel lining platform truck | |
CN204322004U (en) | A kind of pipe valve dismounting accessory | |
CN205170283U (en) | Fixed hydraulic lift | |
CN204474180U (en) | A kind of movable hydraulic lifting appliance | |
CN202952034U (en) | Convenient lining press fitting device | |
CN202377759U (en) | Airplane front landing gear disassembling and assembling vehicle | |
CN204088978U (en) | A kind of adjustable dedicated hydraulic moving lifting car | |
CN106149573A (en) | A kind of bridge strengthening device | |
CN202344201U (en) | Device for disassembling catcher of looping coiling block | |
CN206155593U (en) | Heavy car spare tyre goes up and down and fixing device | |
CN201906976U (en) | Movable tightening nut mounting device | |
CN205951790U (en) | Supplementary lifting devices of carriage detachable transport vechicle | |
CN101776033B (en) | Hydraulic dismounting device for vertical-shaft pelton turbine rotating wheel | |
CN104237576A (en) | Cable terminal test hydraulic support of GIS cable pressure gas chamber | |
CN207414719U (en) | The rapid dismounting apparatus of railway large-scale maintenance machinery transmission shaft | |
CN204894976U (en) | Automobile tire dismouting platform truck | |
CN103395342B (en) | A kind of trolley wheel dismounting dolly | |
CN204237507U (en) | A kind of four-wheel ground supports hydraulic platform vehicle | |
CN209685205U (en) | A kind of apparatus for adjusting position of boring winch fast line directive wheel | |
CN209922805U (en) | Take locking device's screw thread bracing piece |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |