CN107627121A - A kind of workpiece grip mechanism - Google Patents
A kind of workpiece grip mechanism Download PDFInfo
- Publication number
- CN107627121A CN107627121A CN201710822234.8A CN201710822234A CN107627121A CN 107627121 A CN107627121 A CN 107627121A CN 201710822234 A CN201710822234 A CN 201710822234A CN 107627121 A CN107627121 A CN 107627121A
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- position block
- screw rod
- pull bar
- bar
- 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.)
- Pending
Links
Landscapes
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses a kind of workpiece grip mechanism, including lower position block and upper limit position block, clamping bar runs through the lower position block bottom, and extend to inside the lower position block, the clamping bar side is provided with connecting plate, connecting plate both ends side is provided with the clamping bar, described two clamping bars are flexibly connected by rotary shaft, the connecting plate is run through in described clamping bar one end, and extend to the connecting plate side, described clamping bar one end is flexibly connected with the connecting plate, described side clamping bar one end is connected with described upper limit position block one end, the connecting plate side is provided with screw rod, the connecting plate is run through in described screw rod one end, and extend to inside the connecting plate, described screw rod one end is provided with the second turncap.The present invention is advantageous to move up and down, workpiece is clamped up and down so as to realize, prevents it from occurring sliding at work so as to reach the purpose of the present invention by the setting of lower position block and upper limit position block.
Description
Technical field
The present invention relates to tensioning technique field, more particularly to a kind of workpiece grip mechanism is put.
Background technology
Clamping device is a kind of mechanism for realizing and being clamped workpiece, because the requirement of some workpiece is higher or needs pair
When workpiece is processed, therefore clamping can only be used, existing clamping device is in the presence of external force, although workpiece is not susceptible to
It is mobile, but easily rotated along hole or groove, cause to workpiece position inaccurate, when being processed to workpiece, also easily
The requirement of design is not reached.
Therefore, good workpiece grip mechanism of inventing a kind of stationarity is put necessary to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of workpiece grip mechanism, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme:A kind of workpiece grip mechanism, including lower position block and
Upper limit position block, clamping bar runs through the lower position block bottom, and extends to inside the lower position block, and the clamping bar side is provided with
Connecting plate, connecting plate both ends side are provided with the clamping bar, and described two clamping bars are flexibly connected by rotary shaft, described
The connecting plate is run through in clamping bar one end, and extends to the connecting plate side, and described clamping bar one end connects with connecting plate activity
Connect, described side clamping bar one end is connected with described upper limit position block one end, and the connecting plate side is provided with screw rod, the spiral
The connecting plate is run through in bar one end, and extends to inside the connecting plate, and the screw rod side is provided with the first pull bar, described
First pull bar top is fixedly connected with the clamping bar, and the screw rod side is provided with the second pull bar, the second pull bar bottom
It is fixedly connected with the clamping bar, first pull bar and the second pull bar are arranged inside the connecting plate, described screw rod one end
It is provided with the second turncap.
Described screw rod one end is surrounded with driving gear, first pull bar and the second pull bar side be provided with from
Moving gear, the screw rod and the first pull bar, screw rod and the second pull bar are engaged by gear and connected.
The technique effect and advantage of the present invention:The present invention is advantageous to do fortune up and down by the setting of lower position block and upper limit position block
It is dynamic, workpiece is clamped up and down so as to realize, prevents it from sliding at work, by the connection of connecting plate, is advantageous to
Two clamping bars are connected, prevents clamping bar from being damaged in working long hours, passes through setting for screw rod, the first pull bar and the second pull bar
Put, be advantageous to drive the equidirectional motion of clamping plate, equidirectional motion is done to lower position block and upper limit position block so as to realize, come with this real
Existing clamping action, so as to reach the purpose of the present invention.
Brief description of the drawings
Fig. 1 is workpiece grip mechanism structural representation of the present invention.
Fig. 2 is present invention engagement attachment structure schematic diagram.
Fig. 3 is the overall structure diagram that workpiece grip mechanism of the present invention is used in the clamping device of condenser core.
Fig. 4 is the clamping device left limit block movable connection structure schematic diagram of condenser core.
Fig. 5 is the clamping device right limit block movable connection structure schematic diagram of condenser core.
Fig. 6 is the clamping device Self-locking screw structural representation of condenser core.
Fig. 7 is clamping device the first groove structure schematic diagram of condenser core.
In figure:1 time pod, pod, 3 lower position blocks, 4 upper limit position blocks, 5 left limit blocks, 6 right limit blocks, 7 fastening spiral shells on 2
Mother, 8 expansion links, 9 first turncaps, 10 resetting blocks, 11 connecting plates, 12 clamping bars, 13 screw rods, 14 first pull bars, 15 second are drawn
Bar, 16 second turncaps, 17 first grooves, 18 Self-locking screws, 19 rotary screws, 20 U-type grooves, 21 button bit blocks, 22 first reset
Spring.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment 1
Such as Fig. 1-7, a kind of workpiece grip mechanism of the invention, including lower position block 3 and upper limit position block 4, clamping bar 12 is through described
The bottom of lower position block 3, and extend to inside lower position block 3, by the setting of lower position block 3 and upper limit position block 4, be advantageous to do
Lower motion, is clamped to workpiece so as to realize, prevents it from sliding at work, and the side of clamping bar 12 is provided with connection
Plate 11, by the connection of connecting plate 11, be advantageous to connect two clamping bars 12, prevent clamping bar 12 from being damaged in working long hours
Bad, the both ends side of connecting plate 11 is provided with clamping bar 12, and described two clamping bars 12 are flexibly connected by rotary shaft, the folder
Connecting plate 11 is run through in the one end of bar 12, and extends to the side of connecting plate 11, and described one end of clamping bar 12 is flexibly connected with connecting plate 11, institute
State the one end of side clamping bar 12 to be connected with the one end of upper limit position block 4, the side of connecting plate 11 is provided with screw rod 13, the screw rod
Connecting plate 11 is run through in 13 one end, and extends to inside connecting plate 11, and the side of screw rod 13 is provided with the first pull bar 14, described
The top of first pull bar 14 is fixedly connected with clamping bar 12, and the side of screw rod 13 is provided with the second pull bar 15, by screw rod 13,
The setting of first pull bar 14 and the second pull bar 15, be advantageous to drive 12 equidirectional motion of clamping plate, so as to realize to the He of lower position block 3
Upper limit position block 4 does equidirectional motion, and the bottom of the second pull bar 15 is fixedly connected with clamping bar 12, first pull bar 14 and second
Pull bar 15 is arranged inside connecting plate 11, and described one end of screw rod 13 is provided with the second turncap 16.
Described one end of screw rod 13 is surrounded with driving gear, and the side of 14 and second pull bar of the first pull bar 15 is all provided with
Driven gear is equipped with, the pull bar 14 of screw rod 13 and first, the pull bar 15 of screw rod 13 and second are engaged by gear and connected.
Operation principle of the present invention:When deployed, put the workpiece on lower position block 3, active force is applied to the second turncap 16, led to
Crossing the second turncap 16 drives screw rod 13 to rotate, and the driving gear of the one end of screw rod 13 drives the first pull bar by driven gear
14 and second pull bar 15 do equidirectional motion, when the first pull bar 14 and the second pull bar 15 move up and down, drive clamping bar 12 to surround
Rotary shaft is moved, and so that lower control limit position block 3 and upper limit position block 4 move up and down, the clamping to workpiece both ends is realized with this,
By the setting of lower position block 3 and upper limit position block 4, be advantageous to move up and down, workpiece is clamped up and down so as to realize, prevent
Only it is slided at work, by the connection of connecting plate 11, is advantageous to connect two clamping bars 12, prevents clamping bar 12 when long
Between work in damage, by the setting of screw rod 13, the first pull bar 14 and the second pull bar 15, be advantageous to drive clamping plate 12 same
Direction is moved, and so as to realize does equidirectional motion to lower position block 3 and upper limit position block 4, clamping action is realized with this, so as to reach
To the purpose of the present invention.
Finally it should be noted that:The preferred embodiments of the present invention are the foregoing is only, are not limited to this hair
Bright, although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention
Protection domain within.
Embodiment 2
Such as Fig. 1-7, a kind of workpiece grip mechanism of the invention is used in the clamping device of condenser core, including the He of lower pod 1
Upper pod 2, the upper pod 2 are arranged at the lower top of pod 1, and the lower top of pod 1 is provided with lower position block 3, the upper folder
Lower position block 3 is run through in the bottom of shell 2, and extends to inside lower position block 3, and the lower bottom of pod 1 is provided with upper limit position block 4, leads to
The setting of lower position block 3 and upper limit position block 4 is crossed, is advantageous to move up and down, condenser core is pressed from both sides up and down so as to realize
Tightly, prevent it from sliding at work, the upper side inwall of pod 2 is provided with left limit block 5, the upper side of pod 2
Inwall is provided with right limit block 6, by the setting of left limit block 5 and right limit block 6, is advantageously implemented to condenser core or so
Both sides are clamped, and prevent it from sliding at work, and the side of left limit block 5 is provided with clamp nut 7, passes through fastening
The setting of nut 7, be advantageous to tightly lock rotation in the upper side wall of pod 2 one, so as to drive left limit block 5 to move, realized pair with this
Condenser core extrudes, and the clamp nut 7 runs through the upper side wall of pod 2 one, and extends to the side of pod 2, the fastening spiral shell
Mother 7 is connected through a screw thread with the upper side wall of pod 2 one, and the both ends side of left limit block 5 is provided with expansion link 8, by flexible
The setting of bar 8, the support force of left limit block 5 is conducive to provide, prevents from offseting when left limit block 5 moves, be unfavorable for cold
Condenser core body is clamped, and described one end of expansion link 8 is fixedly connected with the upper inwall of pod 2, and described one end of clamp nut 7 is provided with first
Turncap 9, first turncap 9 are arranged at the outer wall side of pod 2, and the both ends side of right limit block 6 is provided with multiple
Position block 10, described one end of resetting block 10 are fixedly connected with the upper inwall of pod 2, and the lower side of pod 1 is provided with connecting plate 11, are led to
The connection of connecting plate 11 is crossed, is advantageous to connect two clamping bars 12, prevents clamping bar 12 from being damaged in working long hours, the company
The both ends side of fishplate bar 11 is provided with clamping bar 12, and described two clamping bars 12 are flexibly connected by rotary shaft, described one end of clamping bar 12
Through connecting plate 11, and the side of connecting plate 11 is extended to, described one end of clamping bar 12 is flexibly connected with connecting plate 11, the side folder
Lower pod 1 is run through in the one end of plate 12, and extends to the lower inside of pod 1 and be connected with the one end of lower position block 3, described one end of side clamping plate 12
Through upper pod 2, and extend to the side wall side of pod 2 and be connected with the one end of upper limit position block 4, the side of connecting plate 11 is provided with
Screw rod 13, connecting plate 11 is run through in described one end of screw rod 13, and extends to inside connecting plate 11, and the side of screw rod 13 is set
The first pull bar 14 is equipped with, the top of the first pull bar 14 is fixedly connected with clamping bar 12, and the side of screw rod 13 is provided with second
Pull bar 15, by the setting of screw rod 13, the first pull bar 14 and the second pull bar 15, be advantageous to drive 12 equidirectional motion of clamping plate,
Equidirectional motion is done to lower position block 3 and upper limit position block 4 so as to realize, the bottom of the second pull bar 15 is fixed with clamping bar 12 to be connected
Connect, the pull bar 15 of the first pull bar 14 and second is arranged inside connecting plate 11, and described one end of screw rod 13 is provided with the second rotation
Turn cap 16.
The bottom both sides of upper pod 2 are provided with protrusive board, the first groove 17 are provided with the side protrusive board, under described
The top side of pod 1 is fixedly installed Self-locking screw 18, and the Self-locking screw 18 runs through the first groove 17, and it is recessed to extend to first
The side of groove 17, the lower top side of pod 1 are fixedly installed rotary screw 19, and protrusive board is run through in described one end of rotary screw 19,
And extend in protrusive board, the rotary screw 19 is flexibly connected with protrusive board, by the setting of Self-locking screw 18, be advantageous to installation and
Dismounting, raising efficiency is realized with this.
The top of Self-locking screw 18 is provided with U-type groove 20, and the both sides of U-type groove 20 are provided with button bit block 21, the button
Position block 21 is internally provided with memory rubber, by the setting of button bit block 21, is advantageous to when applying active force to button bit block 21, can
With when button bit block 21 to contract or be flared out, unclamped and the effect of fastening so as to realize.
The top both sides of upper limit position block 4 are provided with (the first back-moving spring 22, and the upper top inwall both ends of pod 2 are set
Spacing hole is equipped with, described one end of (the first back-moving spring 22 is fixedly connected with spacing hole top side wall, passes through (the first back-moving spring 22
Setting, be advantageous to apply right limit block 6 active force, and the collective effect of left limit block 5, clamping effect reached with this.
Described one end of screw rod 13 is surrounded with driving gear, and the side of 14 and second pull bar of the first pull bar 15 is all provided with
Driven gear is equipped with, the pull bar 14 of screw rod 13 and first, the pull bar 15 of screw rod 13 and second are engaged by gear and connected.
The second groove is provided with the two side of upper pod 2, the expansion link 8 and resetting block 10 may be contained within second
In groove, the length of second groove is more than the length of left limit block 5 and right limit block 6, is easy to store left limit block 5 and the right side
Limited block 6.
The resetting block 10 is internally provided with second back-moving spring, and by the setting of second back-moving spring, it is multiple to be advantageous to
Position block 10 provides elasticity.
The shape of the left limit block 5 and right limit block 6 is disposed as right angle landing shape, is advantageous to condenser core
It is put into, avoids the setting of cuboid, wedge angle causes to damage to condenser core, and the clamping bar 12 is shaped to Z-type, institute
State the first groove 17 and be shaped to cylinder and rectangular shape, and be in integrated setting.
Operation principle of the present invention:When deployed, active force is inwardly applied to button bit block 21, by upper pod 2 around rotation
Screw 19 is rotated, and lower pod 1 and upper pod 2 are separated, and condenser core is put on lower position block 3, then around rotary screw 19
Pod 2 in rotation, Self-locking screw 18 and the first groove 17 are fastened, active force is applied to the first turncap 9, passes through rotation first
Turncap 9 drives clamp nut 7 to move, so as to control left limit block 5 is inside and outside to move, with the collective effect of right limit block 6, realization pair
The clamping of condenser core both sides, then active force is applied to the second turncap 16, screw rod 13 is driven by the second turncap 16
Rotation, the driving gear of the one end of screw rod 13 drive the first pull bar 14 and the second pull bar 15 to do equidirectional fortune by driven gear
It is dynamic, when the first pull bar 14 and the second pull bar 15 move up and down, drive clamping bar 12 to be moved around rotary shaft, so as to lower control limit position
Block 3 and upper limit position block 4 move up and down, and realizes the clamping to condenser core both ends with this, passes through lower position block 3 and the upper limit
The setting of position block 4, is advantageous to move up and down, and condenser core is clamped up and down so as to realize, prevents it at work
Slide, by the setting of left limit block 5 and right limit block 6, be advantageously implemented to being pressed from both sides at left and right sides of condenser core
Tightly, prevent it from sliding at work, by the setting of clamp nut 7, be advantageous to tightly lock rotation in the upper side wall of pod 2 one,
So as to drive left limit block 5 to move, condenser core is extruded to realize with this, by the setting of expansion link 8, is conducive to provide
The support force of left limit block 5, prevent from offseting when left limit block 5 moves, be unfavorable for clamping condenser core, pass through connection
The connection of plate 11, be advantageous to connect two clamping bars 12, prevent clamping bar 12 from being damaged in working long hours, pass through screw rod
13rd, the setting of the first pull bar 14 and the second pull bar 15, be advantageous to drive 12 equidirectional motion of clamping plate, so as to realize to lower position block
3 and upper limit position block 4 do equidirectional motion, clamping action is realized with this, so as to reaching the purpose of the present invention.
Finally it should be noted that:The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (2)
1. a kind of workpiece grip mechanism, including lower position block and upper limit position block, it is characterised in that clamping bar runs through the lower position block
Bottom, and extend to inside the lower position block, the clamping bar side is provided with connecting plate, and connecting plate both ends side is all provided with
The clamping bar is equipped with, described two clamping bars are flexibly connected by rotary shaft, and the connecting plate is run through in described clamping bar one end, and extends
To the connecting plate side, described clamping bar one end is flexibly connected with the connecting plate, described side clamping bar one end and the upper limit
The connection of position block one end, the connecting plate side are provided with screw rod, and the connecting plate is run through in described screw rod one end, and extends to
Inside the connecting plate, the screw rod side is provided with the first pull bar, and the first pull bar top is fixed with the clamping bar to be connected
Connect, the screw rod side is provided with the second pull bar, and the second pull bar bottom is fixedly connected with the clamping bar, and described first draws
Bar and the second pull bar are arranged inside the connecting plate, and described screw rod one end is provided with the second turncap.
2. a kind of workpiece grip mechanism according to claim 1, it is characterised in that described screw rod one end is surrounded with
Driving gear, first pull bar and the second pull bar side are provided with driven gear, the screw rod and the first pull bar, spiral
Bar and the second pull bar are engaged by gear to be connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710822234.8A CN107627121A (en) | 2017-09-13 | 2017-09-13 | A kind of workpiece grip mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710822234.8A CN107627121A (en) | 2017-09-13 | 2017-09-13 | A kind of workpiece grip mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107627121A true CN107627121A (en) | 2018-01-26 |
Family
ID=61101014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710822234.8A Pending CN107627121A (en) | 2017-09-13 | 2017-09-13 | A kind of workpiece grip mechanism |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107627121A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108365559A (en) * | 2018-03-29 | 2018-08-03 | 国网福建省电力有限公司泉州供电公司 | A kind of overhead transmission line jumper wire and the semi-automatic replacing options of hook wire clamp |
CN108994643A (en) * | 2018-09-13 | 2018-12-14 | 江阴市长泾车船附件有限公司 | A kind of hardware workpiece manufacture processing and positioning device |
CN110899638A (en) * | 2019-11-29 | 2020-03-24 | 含山县天宇机械铸造厂 | Casting sand box locking and positioning device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2796930Y (en) * | 2005-04-28 | 2006-07-19 | 广东圣都模具股份有限公司 | Semiautomtic device of workpiece clamping |
CN102275080A (en) * | 2011-07-19 | 2011-12-14 | 重庆市蓝黛实业有限公司 | Gear drilling clamp |
US8246027B2 (en) * | 2009-06-12 | 2012-08-21 | Hon Hai Precision Industry Co., Ltd. | Clamp apparatus |
CN202388275U (en) * | 2011-12-12 | 2012-08-22 | 上海恒精机电设备有限公司 | Workpiece rapid alignment device of vertical rotary machine tool |
CN203493724U (en) * | 2013-10-17 | 2014-03-26 | 祝洪勇 | Screw taking pincers for orthopedics department |
CN106881605A (en) * | 2017-03-21 | 2017-06-23 | 成都振中电气有限公司 | The method for fixing power distribution cabinet steel plate in drilling |
-
2017
- 2017-09-13 CN CN201710822234.8A patent/CN107627121A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2796930Y (en) * | 2005-04-28 | 2006-07-19 | 广东圣都模具股份有限公司 | Semiautomtic device of workpiece clamping |
US8246027B2 (en) * | 2009-06-12 | 2012-08-21 | Hon Hai Precision Industry Co., Ltd. | Clamp apparatus |
CN102275080A (en) * | 2011-07-19 | 2011-12-14 | 重庆市蓝黛实业有限公司 | Gear drilling clamp |
CN202388275U (en) * | 2011-12-12 | 2012-08-22 | 上海恒精机电设备有限公司 | Workpiece rapid alignment device of vertical rotary machine tool |
CN203493724U (en) * | 2013-10-17 | 2014-03-26 | 祝洪勇 | Screw taking pincers for orthopedics department |
CN106881605A (en) * | 2017-03-21 | 2017-06-23 | 成都振中电气有限公司 | The method for fixing power distribution cabinet steel plate in drilling |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108365559A (en) * | 2018-03-29 | 2018-08-03 | 国网福建省电力有限公司泉州供电公司 | A kind of overhead transmission line jumper wire and the semi-automatic replacing options of hook wire clamp |
CN108365559B (en) * | 2018-03-29 | 2023-08-11 | 国网福建省电力有限公司泉州供电公司 | Semi-automatic replacement method for jumper parallel groove clamps of overhead transmission line |
CN108994643A (en) * | 2018-09-13 | 2018-12-14 | 江阴市长泾车船附件有限公司 | A kind of hardware workpiece manufacture processing and positioning device |
CN110899638A (en) * | 2019-11-29 | 2020-03-24 | 含山县天宇机械铸造厂 | Casting sand box locking and positioning device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107627121A (en) | A kind of workpiece grip mechanism | |
CN107104398B (en) | A kind of lossless formula cable butt joint device | |
CN104972454B (en) | State converter for mechanical hand and the mechanical hand comprising this device | |
CN208652014U (en) | A kind of computer display screen damping device | |
CN108962513B (en) | composite insulator with anti-shake function | |
CN103495976B (en) | Box-type goods stacking manipulator | |
CN205971950U (en) | Press from both sides bottled case device | |
CN205166948U (en) | Manipulator anchor clamps and manipulator | |
CN208849080U (en) | A kind of overhead power line c-type wire clamp | |
CN208084249U (en) | A kind of ground wire operating lever being connected with electric ratchet wrench | |
CN203103550U (en) | Clutch straight-rod short circuit earthing device | |
CN204858367U (en) | Substation grounding fastener utensil | |
CN106567882B (en) | A kind of nut suitable for a variety of spanners | |
CN210634987U (en) | Capacitor discharging box | |
CN215498264U (en) | Quick-release and quick-assembly type resistance-capacitance absorber | |
CN107895885A (en) | A kind of adjustable cabinet of translational speed | |
CN103114817B (en) | Iron roughneck slewing and translational stretching mechanism | |
CN207682408U (en) | A kind of kludge manipulator | |
CN202745099U (en) | Fall point controllable type safe impact grab bucket | |
CN217485996U (en) | Block terminal mounting structure | |
CN218678362U (en) | Tubular generating line mounting of high-low pressure | |
CN218231636U (en) | Rotary limiting device for tower crane | |
CN203430935U (en) | Flexible pushing rod locking device | |
CN221587566U (en) | Paying-off machine transferring device for intelligent power grid information engineering construction | |
CN103078192A (en) | Short-circuit grounding device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180126 |
|
RJ01 | Rejection of invention patent application after publication |