CN107662166A - A kind of operating mechanism auxiliary installation tool - Google Patents
A kind of operating mechanism auxiliary installation tool Download PDFInfo
- Publication number
- CN107662166A CN107662166A CN201710763694.8A CN201710763694A CN107662166A CN 107662166 A CN107662166 A CN 107662166A CN 201710763694 A CN201710763694 A CN 201710763694A CN 107662166 A CN107662166 A CN 107662166A
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- CN
- China
- Prior art keywords
- operating mechanism
- installation tool
- auxiliary installation
- placement platform
- motion module
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- 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.)
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Classifications
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- 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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The present invention relates to a kind of operating mechanism auxiliary installation tool, operating mechanism auxiliary installation tool includes base, the placement platform for placement operation mechanism is provided with the base, the drive mechanism of at least two directions movement for driving placement platform relative to base in left-right direction, in fore-and-aft direction and above-below direction is additionally provided with the base.By drive mechanism drive placement platform vertically, left and right, front and rear two of which direction move, so as to realize that the alignment between the output shaft of operating mechanism and pilot hole is installed, it is not necessary to excessive force, save a large amount of manpowers, it is simple to operate and installation effectiveness is higher.
Description
Technical field
The present invention relates to a kind of operating mechanism auxiliary installation tool.
Background technology
Important component of the on-load switch as electrical switchgear, protection and control to circuit have important work
With its divide-shut brake is realized generally by operating mechanism, and operating mechanism is realized to divide-shut brake by a set of spring gear
State and branch wire time are precisely controlled.Existing on-load switch and operating mechanism realize dress generally by shaft hole matching
With relation, as shown in figure 1, pilot hole 1-1 is set on the shell of on-load switch 1, as shown in Fig. 2 the output shaft of operating mechanism 2
2-1 is stretched out on corresponding side plate, and the output shaft 2-1 of operating mechanism 2 is inserted into pilot hole 1-1 and completes to assemble, and due to
The volume and weight of on-load switch and operating mechanism is all bigger, and carrying and installation is all relatively difficult, one in current assembling process
As be to lift operating mechanism by two people, make output shaft be aligned pilot hole, then the third party aid in tap mode realize load
Assembling between switch and operating mechanism.This assembly method wastes time and energy, and operation difficulty is big, and installation effectiveness is relatively low, different people
Member's operation will also result in different degrees of injury to equipment.
The content of the invention
It is an object of the invention to provide a kind of operating mechanism auxiliary installation tool, to solve operating mechanism in the prior art
Wasted time and energy when being assembled with on-load switch, the problem of efficiency of assembling is low.
To achieve the above object, a kind of operating mechanism auxiliary installation tool of the present invention uses following technical scheme：
Scheme 1：A kind of operating mechanism auxiliary installation tool, including base, it is provided with for placement operation mechanism on the base
Placement platform, be additionally provided with the base for drive placement platform relative to base in left-right direction, fore-and-aft direction and
The drive mechanism of at least two directions movement in above-below direction.
Scheme 2：On the basis of scheme 1, the placement platform is provided with the location structure for position manipulator mechanism.With
Positioned in operating mechanism, ensure that the position of its all directions is fixed.
Scheme 3：On the basis of scheme 2, the location structure include be arranged on placement platform along the longitudinal direction between
Every two location divisions of arrangement, the space between two location divisions forms the located space of position manipulator mechanism.Two location divisions
Operating mechanism can be limited in located space, further limit its position.
Scheme 4：On the basis of scheme 3, each location division includes one or more locating piece.Structure letter
It is single, it is easily installed.
Scheme 5：On the basis of scheme 4, the placement platform be provided be spaced along the longitudinal direction be arranged side by side it is multiple
Mounting hole, locating piece in posterior location division is dismantled and assembled to be assigned in mounting hole, for realizing with determining in preceding location division
The adjustment of the distance between position block.Convenient adjustment positioning spacing, has applicability.
Scheme 6：On the basis of scheme 4, each locating piece is respectively provided with for coordinating with the lateral plates block of operating mechanism
Side wall, by the vertically oriented clamping of operating mechanism.
Scheme 7：On the basis of scheme 5, the clamping for the operating mechanism that is fixedly clamped is additionally provided with the placement platform
Structure.
Scheme 8：On the basis of scheme 6, posterior locating piece is provided with the bolt hole of fore-and-aft direction extension, the clamping
Structure includes being installed in bolt hole so that operating mechanism to be held out against to the bolt on preceding location division.
Scheme 9：On the basis of any one of scheme 1 ~ 8, define left and right directions be X to, fore-and-aft direction be Y-direction, on
Lower direction is Z-direction, and the drive mechanism includes X to motion module, Y-direction motion module and Z-direction motion module.Three axis mechanisms are adjusted
It is whole, make adjustment more accurate.
Scheme 10：On the basis of scheme 9, the X includes to motion module, Y-direction motion module, Z-direction motion module
Leading screw and nut mechanism.
Scheme 11：On the basis of scheme 10, the screw mandrel of the Y-direction motion module has extension along the longitudinal direction and between left and right
Every two of arrangement.
Scheme 12：On the basis of scheme 11, the Y-direction motion module also includes being used for synchronous driving two screw mandrels turn
Dynamic stepper motor, realized and be driven by belt between the stepper motor and corresponding screw mandrel.
Scheme 13：On the basis of scheme 10, the X is fixed on to motion module on the nut seat of Y-direction motion module, institute
State Z-direction motion module and be fixed on X on the nut seat of motion module.
Scheme 14：On the basis of scheme 13, the nut of the Z-direction motion module is fixedly connected with the placement platform.
Scheme 15：On the basis of scheme 9, the auxiliary installation tool also includes being used to control each motion module to act
Control system, the control system includes control box and the single-chip microcomputer that is arranged in control box.
The beneficial effects of the invention are as follows：Compared to prior art, operating mechanism auxiliary installation tool involved in the present invention,
By the way that operating mechanism is placed on placement platform, and by drive mechanism drive placement platform vertically, left and right, fore-and-aft direction
In at least two directions adjustment movement, so as to realize the alignment between the output shaft of operating mechanism and pilot hole install, be not required to
Excessive force is wanted, saves a large amount of manpowers, and installation effectiveness is higher, it is simple to operate.
Brief description of the drawings
Fig. 1 is the structural representation of on-load switch in the prior art；
Fig. 2 is the structural representation of operating mechanism in the prior art；
Fig. 3 is the use state diagram of this operating mechanism auxiliary installation tool；
Fig. 4 is the structural representation of operating mechanism auxiliary installation tool in Fig. 3；
Fig. 5 is the structural representation of electric control box in Fig. 3；
Fig. 6 is the control principle drawing of the control system in Fig. 5.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The embodiment one of the operating mechanism auxiliary installation tool of the present invention：As shown in figure 3, the auxiliary installation tool 4 includes
Base 4-1, placement platform 4-2, drive mechanism, wherein as shown in figure 4, base 4-1 is holding for other all parts of frock
Carrier, it is generally located on ground or support, and plate-like structure, other parts are arranged on base 4-1 upper face,
In the present embodiment, base 4-1 is slab construction, and outer contour shape is to consider with reference to its installation and saving material and design,
In other embodiment, base 4-1 shape can also be according to application scenario and arbitrarily devised.
Placement platform 4-2 is arranged above base 4-1, for location and installation operating mechanism, and as transport operating mechanism 2
The support platform assembled to on-load switch 1, in the present embodiment, placement platform 4-2 is horizontally disposed slab construction, certainly,
In other embodiments, placement platform 4-2 structure can be arbitrarily devised according to the consideration of reality.
Drive mechanism be used for drive placement platform 4-2 relative to base 4-1 in left-right direction, fore-and-aft direction, upper and lower
To movement, so as to be aligned the output shaft of operating mechanism 2 with the pilot hole on on-load switch 1 and realize assembling, in the present embodiment
In, define fore-and-aft direction be Y-direction, left and right directions be X to, above-below direction be Z-direction, then drive mechanism includes being respectively used to driving putting
Y-direction motion module that horizontalization platform 4-2 moves along X to the X moved to motion module, along Y-direction and the Z-direction moved along Z-direction are moved
Module, the concrete structure of each motion module and effect, will hereinafter be described in detail.
The location structure of position manipulator mechanism 2 is provided with placement platform 4-2, and due to existing operating mechanism 2 one
As be to be vertically installed in the side plate face of on-load switch 1, therefore in the present embodiment, location structure is included along Y-direction interval cloth
Put the location division on placement platform 4-2 upper face, define it is preceding be prelocalization portion, it is posterior be rear location division,
In embodiment, prelocalization portion includes the two pre-positioning block 4-22 arranged along X to spacing side by side, and rear location division is included along X to simultaneously
Spaced apart two post-positioning block 4-21 are arranged, wherein each pre-positioning block 4-22 is fixed on placement platform 4-2, it is fixed after each
The position removable front and rear sides for being fixed on placement platform 4-2, operating mechanism 2 being folded in by front and rear locating piece 4-21 of block 4-21,
The positioning to operating mechanism 2 is realized, in other embodiments, prelocalization portion can be set to the length being fixed on placement platform 4-2
Type vertical plate, realized by the side plate face of vertical plate to operating mechanism 2 towards prelocalization；Also can be set on placement platform 4-2
The locating slot placed vertically for operating mechanism 2 is put, the positioning to operating mechanism 2 is realized by the cell wall of locating slot.
While in order to meet to be by the vertically oriented requirement of operating mechanism 2, pre-positioning block 4-22, post-positioning block 4-21
Vertical harden structure, in assembling, pre-positioning block 4-22 rear plate face backstop can match somebody with somebody between the plate face of the front side board of operating mechanism 2
Close, limit the disengaging with placement platform 4-2 forward of operating mechanism 2, post-positioning block 4-21 front face can with after operating mechanism 2
Counter stopper between the plate face of side plate, limit the disengaging with placement platform 4-2 backward of operating mechanism 2, while post-positioning block 4-21
Size between pre-positioning block 4-22 is consistent with the size of two side plate parts of operating mechanism 2, the locating piece in prelocalization portion with
Space after corresponding between the locating piece of location division forms the operating space of position manipulator mechanism 2, can realize operating mechanism 2
It is vertically oriented.
Further, in order to making the frock be respectively provided with certain be applicable for the operating mechanism 2 of different type size
Property, i.e. the operating mechanism 2 of different type size can realize the positioning on placement platform 4-2, in the present embodiment, be put down in placement
It is provided with platform 4-2 along the spaced apart mounting hole 4-24 that several supply post-positioning block 4-21 to install of Y-direction, by being positioned by after
Block 4-21 positions assembling in different mounting hole 4-24, realizes that the positioning between pre-positioning block 4-22 and post-positioning block 4-21 is empty
Between adjustment, and then the operating mechanism 2 for different type size can be realized, can realize positioning, applicability height, in this implementation
In example, prelocalization portion is welded on placement platform 4-2, and mounting hole 4-24 only realizes to be adjusted to post-positioning block 4-21 position
It is whole, so it is that the Y-direction position of its output shaft is integrally fixed on same facade, is easy in order to ensure to be directed to different operating mechanisms 2
Follow-up assembling and during for different type operating mechanism 2, is easily adjusted control module, in other embodiments, can will before
Locating piece 4-22 is also removable to be fixed on placement platform 4-2, by adjusting pre-positioning block 4-22's and post-positioning block 4-21 simultaneously
The adjustment to the position location of operating mechanism 2 is realized in position, and post-positioning block 4-21 can be also weldingly fixed on to placement platform 4-2
On, it is fixed on pre-positioning block 4-22 is removable on placement platform 4-2, is only realized by adjusting pre-positioning block 4-22 position to behaviour
Make the positioning and clamping of mechanism 2.
In order to ensure that the operating mechanism 2 on placement platform 4-2 will not be put down in moving process or in assembling process placing
Moved on platform 4-2, cause assembling and position fixing process inaccurate, therefore be additionally provided with placement platform 4-2 for the behaviour that is fixedly clamped
Make the clamping structure of mechanism 2.In the present embodiment, being extended on post-positioning block 4-21 along Y-direction has bolt hole, clamp system bag
Include and be installed in bolt hole so that operating mechanism 2 to be held out against to the bolt 4-23 on pre-positioning block 4-22.Positioned by operating mechanism 2
After between pre-positioning block 4-22 and post-positioning block 4-21, by screwing bolt 4-23, operating mechanism 2 is fixedly clamped, protected
Demonstrate,prove the accuracy of its positioning and the stability of assembling process.In other embodiments, clamp system can be not arranged in positioning
, can be by setting riser between having on placement platform 4-2 on block, and the mode for installing on riser bolt 4-23 is realized to operation
The clamping of mechanism 2；Also bolt hole can be arranged on pre-positioning block 4-22, the bolt hole on pre-positioning block 4-22 is also along Y-direction
Extension.
For the Y-direction motion module of drive mechanism, it includes four Y-direction being fixed on base 4-1 screw mandrel support seat 4-
31, using two along Y-direction interval two Y-direction screw mandrel support seat 4-31 positioned opposite as one group of composition screw mandrel group, in each group
Rotated on two Y-direction screw mandrel support seat 4-31 and be provided with Y-direction screw mandrel 4-32, while Y-direction is correspondingly arranged on Y-direction screw mandrel 4-32
X is installed on nut seat 4-33, Y-direction nut seat 4-33 and forms X to motion module mounting seat, two groups of screw mandrel group edges to motion module
Left and right directions parallel interval arranges that in the present embodiment, placement platform 4-2 is located at the rear side of on-load switch 1, i.e. placement platform 4-
2 forward can be close to on-load switch 1 along Y-direction, can deviate from backwards with on-load switch 1, for Y-direction screw mandrel 4-32 motor,
Rotated in this embodiment using Y-direction stepping motor 4-34 driving Y-direction screw mandrels 4-32, and then control placement platform 4-2 in Y-direction
It is mobile.It in order to simplify structure, while can ensure that two Y-direction screw mandrel 4-32 can synchronously rotate in same direction, ensure two Y-direction nuts
Seat 4-33 can advanced in unison or retrogressing, ensure Y-direction screw mandrel 4-32 model size it is consistent in the case of, from a Y-direction
Stepper motor 4-34 drives two Y-direction screw mandrel 4-32 to rotate, and in the present embodiment, pacifies on Y-direction stepping motor 4-34 motor shaft
Equipped with two-groove belt pulley 4-35, single groove belt pulley 4-36 is arranged on two corresponding Y-direction screw mandrel 4-32, passes through driving belt 4-
37 realize transmission control of the stepper motor to Y-direction screw mandrel 4-32, and then ensure two Y-direction screw mandrel 4-32 synchronous axial system, ensure
Two Y-direction nut seat 4-33 synchronizing moving.
For drive mechanism X to motion module, it includes being integrally supported the X being fixed on two Y-direction nut seat 4-33
There are two X to screw mandrel branch along X to interval is positioned opposite on to motion module installing plate 4-41, X to motion module installing plate 4-41
Support seat 4-42, two X is provided with X to screw mandrel 4-43 to being rotated between screw mandrel support seat 4-42, and X is to motor by X to connection
Axle device 4-45 and X are driven to screw mandrel 4-43 to be coordinated, and X is to being provided with X on screw mandrel 4-43 to nut seat 4-44, and X is to nut seat 4-44
It is upper to be used to Z-direction motion module be installed and form Z-direction motion module mounting seat.
For the Z-direction motion module of drive mechanism, it includes being supported and fixed on X moves mould to the Z-direction on nut seat 4-44
There are two Z-direction screw mandrel support seat 4-52 along Z-direction interval is positioned opposite on block installing plate 4-51, Z axis motion module installing plate 4-51,
Rotated between two Z-direction screw mandrel support seat 4-52 and be provided with Z-direction screw mandrel 4-53, Z-direction motor 4-55 is fixed on Z-direction motion mould
On block installing plate 4-51, Z-direction drives motor 4-55 to coordinate by Z-direction shaft coupling 4-56 and Z-direction screw mandrel 4-53 transmissions, while on
The placement platform 4-2 stated is fixed on Z-direction nut seat 4-54.
The relative positions of X upwards between the output shaft 2-1 and pilot hole 1-1 of operating mechanism 2 are adjusted to motion module by X
Put, the relative position in the Y-direction between the output shaft 2-1 and pilot hole 1-1 of operating mechanism 2 is adjusted by Y-direction motion module, lead to
The relative position crossed in the Z-direction between the output shaft 2-1 and pilot hole 1-1 of Z-direction motion module adjustment operating mechanism 2, so as to real
Positioning between the operating shaft and pilot hole of existing operating mechanism 2 is assembled.
Preferably as shown in Figure 5 and Figure 6, in the present embodiment, in addition to for controlling the control system of the frock, control system
System include electric control box 3, electric control box includes shell 3-1, be provided with shell 3-1 single-chip microcomputer, motor driver 3-3,
Power supply 3-4 etc., wherein single-chip microcomputer controlled motor driver 3-3 are to each motor output action signal, it is preferred that in this reality
To apply in example, single-chip microcomputer is provided with the control board 3-2 that 51 single-chip minimum systems, 1602 LCDs, control button are formed,
The motion control to system and display function are realized, motor driver 3-3 is realized to dress by three M415B stepper motor drivers
Put the control of the stepper motor in three directions；Power supply 3-4 is made up of Q-60D Switching Power Supplies, 24V and 5V direct currents are provided for system
Source.By motion control of the chip microcontroller to system, by the position of electronic adjustment operating mechanism 2, mechanism and switch are realized
Quick positioning and installation, efficiently solve the bothersome problem laborious, installation effectiveness is low of existing Installation Modes.
When in use, it is clamped in operating mechanism 2 is vertically oriented on placement platform 4-2, power supply drives to single-chip microcomputer and motor
Dynamic device provides 5V and 24V dc sources, by the control of Independent keys and chip microcontroller to each stepper motor, while
Real-time display current operation on 1602 display screens, by operating mechanism 2 install it is fixed after, by Independent keys realization device X to,
Y-direction, Z-direction move freely, and realize the cooperation of the output shaft and pilot hole of operating mechanism 2, are realized open by human assistance afterwards
Close and the installation of mechanism coordinate, finally unload clamping tool 4, control stepper motor moves down placement platform 4-2, realize mechanism and
The complete assembling of switch.
In other embodiments, motor can be not provided with, the position to operating mechanism is realized by each screw mandrel of manual rotation
Adjustment；Operating mechanism can be horizontally set on placement platform, and the pilot hole of on-load switch is set down；X to, Y-direction, Z
Three axial adjustment to three directions can be replaced by the other modes such as four axial adjustment or five axles；Driving structure could be arranged to a court
Two of which direction is moved, and another direction can be pre-adjusted or realizes movement by castor.
Claims (10)
- A kind of 1. operating mechanism auxiliary installation tool, it is characterised in that：Including base, it is provided with the base for placing behaviour Make the placement platform of mechanism, be additionally provided with the base for drive placement platform relative to base in left-right direction, it is front and rear The drive mechanism of at least two directions movement in direction and above-below direction.
- 2. operating mechanism auxiliary installation tool according to claim 1, it is characterised in that：The placement platform, which is provided with, to be used In the location structure of position manipulator mechanism.
- 3. operating mechanism auxiliary installation tool according to claim 2, it is characterised in that：The location structure includes setting Two location divisions spaced apart along the longitudinal direction on placement platform, the space between two location divisions form positioning action The located space of mechanism.
- 4. operating mechanism auxiliary installation tool according to claim 3, it is characterised in that：Each location division includes one Or more than two locating pieces.
- 5. operating mechanism auxiliary installation tool according to claim 4, it is characterised in that：The placement platform is provided with edge Multiple mounting holes that fore-and-aft direction interval is arranged side by side, locating piece in posterior location division is dismantled and assembled to be assigned in mounting hole, is used The adjustment of the distance between locating piece in realization and preceding location division.
- 6. operating mechanism auxiliary installation tool according to claim 4, it is characterised in that：Each locating piece, which is respectively provided with, to be used for The side wall coordinated with the lateral plates block of operating mechanism, by the vertically oriented clamping of operating mechanism.
- 7. operating mechanism auxiliary installation tool according to claim 5, it is characterised in that：It is additionally provided with the placement platform Clamping structure for the operating mechanism that is fixedly clamped.
- 8. operating mechanism auxiliary installation tool according to claim 6, it is characterised in that：Before posterior locating piece is provided with Rear is to the bolt hole of extension, and the clamping structure is including being installed in bolt hole so that operating mechanism is held out against in preceding positioning Bolt in portion.
- 9. the operating mechanism auxiliary installation tool according to any one of claim 1 ~ 8, it is characterised in that：Define right and left To for X to, fore-and-aft direction be Y-direction, above-below direction be Z-direction, the drive mechanism include X to motion module, Y-direction motion module and Z-direction motion module.
- 10. operating mechanism auxiliary installation tool according to claim 9, it is characterised in that：The X is to motion module, Y-direction Motion module, Z-direction motion module include leading screw and nut mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763694.8A CN107662166A (en) | 2017-08-30 | 2017-08-30 | A kind of operating mechanism auxiliary installation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763694.8A CN107662166A (en) | 2017-08-30 | 2017-08-30 | A kind of operating mechanism auxiliary installation tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107662166A true CN107662166A (en) | 2018-02-06 |
Family
ID=61097137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710763694.8A Pending CN107662166A (en) | 2017-08-30 | 2017-08-30 | A kind of operating mechanism auxiliary installation tool |
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| CN (1) | CN107662166A (en) |
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| CN103148826A (en) * | 2013-02-22 | 2013-06-12 | 厦门大学 | Rotatable large-caliber optical element clamp |
| CN204748410U (en) * | 2015-06-19 | 2015-11-11 | 沪东重机有限公司 | Unit assembly component was measured with location frock right time |
| CN205129675U (en) * | 2015-11-25 | 2016-04-06 | 苏州阿特斯阳光电力科技有限公司 | Quantum efficiency test fixture |
| CN205765776U (en) * | 2016-06-28 | 2016-12-07 | 武汉优力克自动化系统工程股份有限公司 | A kind of body in white location underframe |
| CN205798754U (en) * | 2016-07-08 | 2016-12-14 | 刘连生 | Apparatus for welding and positioning and welding production line |
| KR20170002399U (en) * | 2015-12-24 | 2017-07-04 | 주식회사 한국가스기술공사 | A removing jig for drain valve of ball valve |
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2017
- 2017-08-30 CN CN201710763694.8A patent/CN107662166A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202895045U (en) * | 2012-09-07 | 2013-04-24 | 新大洲本田摩托有限公司 | Assembly line accompanying clamping device |
| CN103148826A (en) * | 2013-02-22 | 2013-06-12 | 厦门大学 | Rotatable large-caliber optical element clamp |
| CN204748410U (en) * | 2015-06-19 | 2015-11-11 | 沪东重机有限公司 | Unit assembly component was measured with location frock right time |
| CN205129675U (en) * | 2015-11-25 | 2016-04-06 | 苏州阿特斯阳光电力科技有限公司 | Quantum efficiency test fixture |
| KR20170002399U (en) * | 2015-12-24 | 2017-07-04 | 주식회사 한국가스기술공사 | A removing jig for drain valve of ball valve |
| CN205765776U (en) * | 2016-06-28 | 2016-12-07 | 武汉优力克自动化系统工程股份有限公司 | A kind of body in white location underframe |
| CN205798754U (en) * | 2016-07-08 | 2016-12-14 | 刘连生 | Apparatus for welding and positioning and welding production line |
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Application publication date: 20180206 |
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