CN207903791U - A kind of small-sized crane - Google Patents
A kind of small-sized crane Download PDFInfo
- Publication number
- CN207903791U CN207903791U CN201820016119.1U CN201820016119U CN207903791U CN 207903791 U CN207903791 U CN 207903791U CN 201820016119 U CN201820016119 U CN 201820016119U CN 207903791 U CN207903791 U CN 207903791U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- plate
- fixed link
- rack
- steel wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a kind of small-sized cranes, including crane, the crane bottom is fixedly connected with pedestal, it is set gradually from left to right Weight plate, fixed pulley and pulley blocks at the top of the crane, described Weight plate one end is connected with Rotational Cylindrical, the Rotational Cylindrical is extended down to through Weight plate outside Weight plate, and the Rotational Cylindrical both ends are connected with position-arresting disk.The utility model is rotated by rocking bar, adjust the height between the first support column and the second support shaft, when making to encounter barrier or excessively high cargo, change the height of crane, facilitate roping, pass through wheel, crane is set to be moved easily, it is rotated by T sex pilus bars, it is that wheel is put into wheel case, spacer pin is inserted into simultaneously, present second gag lever post rotation, winding up roller is driven to wind steel wire by motor, it is moved back and forth by lead screw band movable slider, make steel wire uniform winding on winding up roller, make steel wire will not be because of simultaneously wound in a place, but steel wire is blocked and is slid.
Description
Technical field
The utility model is related to crane apparatus field, more particularly to a kind of small-sized crane.
Background technology
Small-sized crane be chiefly used in decoration company, installation company of handling company, moving service company, factory floor, repairing department,
A variety of industries and the residential households such as storage storehouse.Also extensive field of employment simultaneously, it is indoor except that can be loaded on, also it is mountable to room
Top, be installed on heavy construction building site, also can replace gantry crane be used for small building engineering, but existing small-sized crane because
The bodily form is too small and has ignored the problem of some can not be by being highly adjusted, and excessively high when transporting goods, and can not be by goods
Object is promoted to effective height, while after crane installation, being needed replacing place, being needed to dismantle installation again, is reduced
Working efficiency also has ignored simultaneously because crane is too small in steel wire rotation process, is wrapped in the same place always and is easy card
The problem of firmly or sliding.
Therefore, it is necessary to solve the above problems to invent a kind of small-sized crane.
Invention content
The purpose of this utility model is to provide a kind of small-sized cranes, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions：A kind of small-sized crane, including crane,
The crane bottom is fixedly connected with pedestal, be set gradually from left to right at the top of the crane Weight plate, fixed pulley and
Pulley blocks, described Weight plate one end are connected with Rotational Cylindrical, and the Rotational Cylindrical is extended down to through Weight plate outside Weight plate, the rotation
Column both ends are connected with position-arresting disk, and the position-arresting disk lower face is fixedly connected with the first support column, and first support column bottom connects
It is connected to the first rack-plate, first rack-plate engages first gear, and the first gear inner ring fixing sleeve is connected to turbine, described
Turbine engages worm screw, and the worm screw face fixing sleeve is connected to rocking bar one end, and the rocker surfaces fixing sleeve is connected to bearing, the axis
Bearing outer-ring is fixedly connected with the second support column, and the first gear surface offers sliding slot, and the sliding slot inner wall is slidably connected first
Fixed link, second support column one end are fixedly connected with pedestal, and the base bottom is rotatablely connected second fixed link one end, described
The second fixed link other end is rotatably connected to wheel, and second fixed link surface is fixedly connected with first gag lever post one end, described
The first gag lever post other end is fixedly connected with pedestal lower face, and first gag lever post surface is provided with spacer pin, under the pedestal
End face is provided with wheel slot, and pedestal both ends bottom is provided with support plate, and it is solid that the upper end face of support plate is fixedly connected with third
Fixed pole one end, the third fixed link other end are rotatablely connected T shape lead screws, the T shapes lead screw engaged with base, and the third is fixed
Bar surface fixing sleeve is connected to the second gag lever post, and installs case is fixedly connected at the top of the ballast box, is arranged inside the installs case
Motor, described machine shaft one end are fixedly connected with winding up roller, and the winding up roller both ends rotation is socketed with reel, and the winding up roller surface is solid
Surely connection steel wire one end, the steel wire surface from left to right slidably connect sliding block, fixed pulley and pulley blocks, the steel wire successively
The other end is fixedly connected with hook, and the reel side is fixedly connected with hypodontia wheel, and the hypodontia wheel engages the second rack-plate, institute
It states the second rack-plate basal sliding and is connected with the 4th fixed link, second rack-plate one end is fixedly connected with spring, the bullet
Spring one end is fixedly connected with installation chamber interior wall, and second rack-plate engages second gear, and the second gear fixing sleeve is connected to silk
Bar, the lead screw meshing blocks, the sliding block slidably connect third gag lever post by two close end, and the third gag lever post is through cunning
Block is rotatably connected to the 5th fixed link, and described 5th fixed link one end is fixedly connected with installs case inner bottom wall, and described sliding block one end is opened
Equipped with through-hole.
Preferably, first rack-plate is arc-shaped gear batten, and the radian of first rack-plate and second supports table
Face radian matches.
Preferably, first support column and the second support shaft surface are both provided with convex sliding slot, first support column
The inner wall for the convex sliding slot that the outer surface of the convex sliding slot opened up is opened up with the second support column matches.
Preferably, the quantity of second fixed link is four, and four second fixed links are evenly distributed on pedestal bottom
Portion quadrangle.
Preferably, the through-hole matches with steel wire.
Preferably, the lower face of the support plate is rough surface.
Preferably, the teeth of the turbine are in turbine inner ring.
Preferably, the angle that hypodontia wheel both ends are formed is 120 degree.
The technique effect and advantage of the utility model：It is rotated by rocking bar, so that worm screw is driven turbine rotation, make first gear
It drives the first rack-plate to move, is moved up and down by the first rack-plate, adjust the height between the first support column and the second support column
Degree, when making to encounter barrier or excessively high cargo, changes the height of crane, facilitates roping, by the wheel of base bottom, make
Crane is moved easily, and is rotated by T shape lead screws, is made to fall to the ground under support plate, and by the second gag lever post, limitation support plate is stretched
Spacer pin is removed when support plate contact ground, rotates the second fixed link, so that wheel is put into wheel case, simultaneously by the length gone out
Spacer pin is inserted into, limitation the second fixed link rotation drives winding up roller to wind steel wire, the second tooth is driven by hypodontia wheel by motor
Batten moves, and by spring, the second rack-plate is made to move back and forth, and by second gear reciprocating rotation, lead screw band movable slider is made
It returns and moves back and forth, through-hole is run through by steel wire, makes steel wire uniform winding on winding up roller, makes steel wire will not be because of simultaneously wound one
A place, but steel wire is blocked and is slid.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the overall structure vertical view of the utility model；
Fig. 3 is the second rack-plate of the utility model and sliding block left view；
Fig. 4 is that the first support column of the utility model is main to sectional view；
Fig. 5 is the utility model the first support column left-hand sectional view；
Fig. 6 is the portions A structural schematic diagram in the utility model Fig. 1；
In figure：1 crane, 2 pedestals, 3 installs cases, 4 Rotational Cylindricals, 5 first support columns, 6 first rack-plates, 7 first gears,
8 turbines, 9 worm screws, 10 rocking bars, 11 sliding slots, 12 first fixed links, 13 second fixed links, 14 wheels, 15 first gag lever posts, 16 limits
Position pin, 17 wheel casees, 18 T shapes lead screws, 19 third fixed links, 20 support plates, 21 second gag lever posts, 22 steel wires, 23 fixed pulleys,
24 position-arresting disks, 25 pulley blocks, 26 hooks, 27 motors, 28 reels, 29 windings up roller, 30 hypodontia wheels, 31 second rack-plates, 32 second teeth
Wheel, 33 the 4th fixed links, 34 lead screws, 35 sliding blocks, 36 third gag lever posts, 37 through-holes, 38 the 5th fixed links, 39 bearings, 40 second
It supports, 41 Weight plates.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model provides a kind of small-sized crane as shown in figures 1 to 6, including crane 1,1 bottom of the crane
Portion is fixedly connected with pedestal 2, and Weight plate 41, fixed pulley 23 and pulley blocks have been set gradually from left to right at the top of the crane
25, by fixed pulley 23, the movement locus for changing steel wire 22 changes the size of pulling force, the Weight plate 41 by pulley blocks 23
One end is connected with Rotational Cylindrical 4, and the Rotational Cylindrical 4 is extended down to through Weight plate 41 outside Weight plate 41, the connection of 4 both ends of the Rotational Cylindrical
There is position-arresting disk 24, by Rotational Cylindrical 4,1 top of crane is made to may be rotated, 24 lower face of the position-arresting disk is fixedly connected with
First support column 5,5 bottom of the first support column are connected with the first rack-plate 6, and first rack-plate 6 engages first gear
7,7 inner ring fixing sleeve of the first gear is connected to turbine 8, and the turbine 8 engages worm screw 9, and 9 surface fixing sleeve of the worm screw is connected to
10 one end of rocking bar is made the first support column 5 carry out self-locking, is not fallen off, cause mechanical failure by the characteristic of 8 worm screw 9 of turbine,
10 surface fixing sleeve of the rocking bar is connected to bearing 39, and 39 outer ring of the bearing is fixedly connected with the second support column 40, first tooth
It takes turns 7 surfaces and offers sliding slot 11,11 inner wall of the sliding slot is slidably connected the first fixed link 12, solid by round sliding slot 11 and first
Fixed pole 12 stablizes the position of first gear 7, and described second support column, 40 one end is fixedly connected with pedestal 2, and 2 bottom of the pedestal turns
13 one end of the second fixed link of dynamic connection, 13 other end of the second fixed link are rotatably connected to wheel 14, second fixed link
13 surfaces are fixedly connected with 15 one end of the first gag lever post, and 15 other end of the first gag lever post is fixedly connected with 2 lower face of pedestal, described
First gag lever post, 15 surface is provided with spacer pin 16, by spacer pin 16, prevents the second fixed link 13 from arbitrarily rotating, will when leading to
When wheel 14 is transferred to wheel 17 inside of case, the second fixed link 13 is fixed by spacer pin 16,2 lower face of the pedestal is provided with vehicle
Race 17,2 both ends bottom of the pedestal are provided with support plate 20, and 20 upper surface of the support plate is fixedly connected with third fixed link 19
One end, 19 other end of the third fixed link rotation connection T shapes lead screw 18,18 engaged with base 2 of T shapes lead screw, the third
19 surface fixing sleeve of fixed link is connected to the second gag lever post 21, and 41 top of the ballast box is fixedly connected with installs case 3, the installation
Motor 27 is arranged in 3 inside of case, and 27 shaft one end of the motor is fixedly connected with winding up roller 29, and the rotation of 29 both ends of the winding up roller is socketed with
Reel 28,29 surface of the winding up roller are fixedly connected with 22 one end of steel wire, and 22 surface of the steel wire from left to right slidably connects successively
Sliding block 35, fixed pulley 23 and pulley blocks 25,22 other end of the steel wire are fixedly connected with hook 26, and 28 side of the reel is fixed
It is connected with hypodontia wheel 30, the hypodontia wheel 30 engages the second rack-plate 31, and 31 basal sliding of the second rack-plate is connected with the
Four fixed links 33, described second rack-plate, 31 one end are fixedly connected with spring, and the spring one end is fixedly connected in installs case 3
Wall makes the second rack-plate 31 move back and forth by the active force of hypodontia wheel 30 and spring, and second rack-plate 31 engages
Second gear 32,32 fixing sleeve of the second gear are connected to lead screw 34,34 meshing blocks 35 of the lead screw, and the sliding block 35 is close
Both ends slidably connect third gag lever post 36, and the third gag lever post 36 is rotatably connected to the 5th fixed link 38 through sliding block 35,
Described 5th fixed link, 38 one end is fixedly connected with 3 inner bottom wall of installs case, and 35 one end of the sliding block offers through-hole 37.
First rack-plate 6 is arc-shaped gear batten, and the radian of first rack-plate 6 and second supports 40 arcing surfaces
Degree matches, and makes rocking bar 10 and 9 tie point of worm screw that the first rack-plate 6 will not be hindered to move, first support column 5 and second
40 surface of support axis is both provided with convex sliding slot, outer surface and the second support column of the convex sliding slot that first support column 5 opens up
The inner wall of the 40 convex sliding slots opened up matches, and so that the first support column 5 is slided in 40 inner wall of the second support column, prevents simultaneously
Dust excessively enters in gap, and the quantity of second fixed link 13 is four, and four second fixed links 13 are uniformly distributed
In base bottom quadrangle, four wheels 14 are set, are the more convenient movements of crane 1, the through-hole 37 matches with steel wire 22, makes
Steel wire 22 can be penetrated out of through-hole 37, and the lower face of the support plate 20 is rough surface, more firm when crane 1 being made to hang material,
For the teeth of the turbine 8 in 8 inner ring of turbine, the angle that 30 both ends of hypodontia wheel are formed is 120 degree.
This practicality operation principle：It is rotated by rocking bar 10, makes worm screw 9 that turbine 8 be driven to rotate, first gear 7 is made to drive the
One rack-plate 6 moves, and is moved up and down by the first rack-plate 6, adjusts the height between the first support column 5 and the second support column 40
Degree, by the wheel 14 of 2 bottom of pedestal, makes crane 1 be moved easily, and is rotated by T shapes lead screw 18, makes to fall under support plate 20
Ground, by the second gag lever post 21, the length that limitation support plate 20 is stretched out takes spacer pin 16 when the contact of support plate 20 ground
Under, the second fixed link 13 is rotated, so that wheel 14 is put into wheel case 17, while spacer pin 16 being inserted into, limits the second fixed link
13 rotations drive winding up roller 29 to wind steel wire 22 by motor 27, drive the movement of the second rack-plate 31 by hypodontia wheel 30, pass through bullet
Spring makes the second rack-plate 31 move back and forth, and by 32 reciprocating rotation of second gear, lead screw 34 is made back and forth to be transported back and forth with movable slider 35
It is dynamic, through-hole 37 is run through by steel wire 22, makes 22 uniform winding of steel wire on winding up roller 29.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of small-sized crane, including crane（1）, it is characterised in that：The crane（1）Bottom is fixedly connected with pedestal
（2）, the crane top has been set gradually from left to right Weight plate（41）, fixed pulley（23）And pulley blocks（25）, described to match
Weight plate（41）One end is connected with Rotational Cylindrical（4）, the Rotational Cylindrical（4）Through Weight plate（41）It is extended down to Weight plate（41）Outside, institute
State Rotational Cylindrical（4）Both ends are connected with position-arresting disk（24）, the position-arresting disk（24）Lower face is fixedly connected with the first support column（5）,
First support column（5）Bottom is connected with the first rack-plate（6）, first rack-plate（6）Engage first gear（7）, institute
State first gear（7）Inner ring fixing sleeve is connected to turbine（8）, the turbine（8）Engage worm screw（9）, the worm screw（9）Surface is fixed
It is socketed with rocking bar（10）One end, the rocking bar（10）Surface fixing sleeve is connected to bearing（39）, the bearing（39）Outer ring, which is fixed, to be connected
Connect the second support column（40）, the first gear（7）Surface offers sliding slot（11）, the sliding slot（11）Inner wall is slidably connected
One fixed link（12）, second support column（40）One end is fixedly connected with pedestal（2）, the pedestal（2）Lower rotation connection the
Two fixed links（13）One end, second fixed link（13）The other end is rotatably connected to wheel（14）, second fixed link
（13）Surface is fixedly connected with the first gag lever post（15）One end, first gag lever post（15）The other end is fixedly connected with pedestal（2）Under
End face, first gag lever post（15）Surface is provided with spacer pin（16）, the pedestal（2）Lower face is provided with wheel slot
（17）, the pedestal（2）Both ends bottom is provided with support plate（20）, the support plate（20）Upper surface is fixedly connected with third and fixes
Bar（19）One end, the third fixed link（19）The other end is rotatablely connected T shape lead screws（18）, the T shapes lead screw（18）Engage bottom
Seat（2）, the third fixed link（19）Surface fixing sleeve is connected to the second gag lever post（21）, the Weight plate（41）Top, which is fixed, to be connected
It is connected to installs case（3）, the installs case（3）Inside setting motor（27）, the motor（27）Shaft one end is fixedly connected with volume
Roller（29）, the winding up roller（29）Both ends rotation is socketed with reel（28）, the winding up roller（29）Surface is fixedly connected with steel wire（22）One
End, the steel wire（22）Surface from left to right slidably connects sliding block successively（35）, fixed pulley（23）And pulley blocks（25）, described
Steel wire（22）The other end is fixedly connected with hook（26）, the reel（28）Side is fixedly connected with hypodontia wheel（30）, described to lack
Gear（30）Engage the second rack-plate（31）, second rack-plate（31）Basal sliding is connected with the 4th fixed link（33）, institute
It states 31 one end of the second rack-plate and is fixedly connected with spring, the spring one end is fixedly connected with installs case（3）Inner wall, second tooth
Batten（31）Engage second gear（32）, the second gear（32）Fixing sleeve is connected to lead screw（34）, the lead screw（34）Engagement
Sliding block（35）, the sliding block（35）Third gag lever post is slidably connected by two close end（36）, the third gag lever post（36）Run through
Sliding block（35）It is rotatably connected to the 5th fixed link（38）, the 5th fixed link（38）One end is fixedly connected with installs case（3）Interior bottom
Wall, the sliding block（35）One end offers through-hole（37）.
2. a kind of small-sized crane according to claim 1, it is characterised in that：First rack-plate（6）For arc-shaped gear
Batten, first rack-plate（6）Radian and the second support column（40）Surface radian matches.
3. a kind of small-sized crane according to claim 1, it is characterised in that：First support column（5）With second
Dagger（40）Surface is both provided with convex sliding slot, first support column（5）The outer surface of the convex sliding slot opened up with second
Dagger（40）The inner wall of the convex sliding slot opened up matches.
4. a kind of small-sized crane according to claim 1, it is characterised in that：Second fixed link（13）Quantity be
Four, four second fixed links（13）It is evenly distributed on base bottom quadrangle.
5. a kind of small-sized crane according to claim 1, it is characterised in that：The through-hole（37）With steel wire（22）Phase
Match.
6. a kind of small-sized crane according to claim 1, it is characterised in that：The support plate（20）Lower face be thick
Matte.
7. a kind of small-sized crane according to claim 1, it is characterised in that：The turbine（8）Teeth in turbine（8）
Inner ring.
8. a kind of small-sized crane according to claim 1, it is characterised in that：The hypodontia wheel（30）The folder that both ends are formed
Angle is 120 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820016119.1U CN207903791U (en) | 2018-01-05 | 2018-01-05 | A kind of small-sized crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820016119.1U CN207903791U (en) | 2018-01-05 | 2018-01-05 | A kind of small-sized crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207903791U true CN207903791U (en) | 2018-09-25 |
Family
ID=63566747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820016119.1U Expired - Fee Related CN207903791U (en) | 2018-01-05 | 2018-01-05 | A kind of small-sized crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207903791U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678062A (en) * | 2018-12-24 | 2019-04-26 | 江苏联峰工业装备科技有限公司 | Lifting device is used in a kind of processing of collars |
| CN110203836A (en) * | 2019-05-31 | 2019-09-06 | 浙江航神自动化科技有限公司 | A kind of material operating conveying device |
| CN110376404A (en) * | 2019-08-15 | 2019-10-25 | 西安高压电器研究院有限责任公司 | High-voltage test wiring device |
| CN112027939A (en) * | 2020-07-27 | 2020-12-04 | 安徽地平线建筑设计事务所股份有限公司 | Bearing and transporting device for assembled plates |
| CN114179343A (en) * | 2021-12-06 | 2022-03-15 | 盐城市智成机械制造有限公司 | Embossing machine capable of quickly adjusting working stroke |
-
2018
- 2018-01-05 CN CN201820016119.1U patent/CN207903791U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678062A (en) * | 2018-12-24 | 2019-04-26 | 江苏联峰工业装备科技有限公司 | Lifting device is used in a kind of processing of collars |
| CN110203836A (en) * | 2019-05-31 | 2019-09-06 | 浙江航神自动化科技有限公司 | A kind of material operating conveying device |
| CN110376404A (en) * | 2019-08-15 | 2019-10-25 | 西安高压电器研究院有限责任公司 | High-voltage test wiring device |
| CN112027939A (en) * | 2020-07-27 | 2020-12-04 | 安徽地平线建筑设计事务所股份有限公司 | Bearing and transporting device for assembled plates |
| CN112027939B (en) * | 2020-07-27 | 2024-04-09 | 安徽地平线建筑设计有限公司 | Bearing and transporting device for assembled plates |
| CN114179343A (en) * | 2021-12-06 | 2022-03-15 | 盐城市智成机械制造有限公司 | Embossing machine capable of quickly adjusting working stroke |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207903791U (en) | A kind of small-sized crane | |
| CN208856580U (en) | A kind of heavy duty detergent reel machine | |
| CN208327204U (en) | A kind of loop wheel machine for construction | |
| CN213140980U (en) | Winding mechanism with protection function for winding machine | |
| CN208249508U (en) | A kind of power construction stringing actinobacillus device | |
| CN213833971U (en) | Cable winding equipment for power industry | |
| CN206782776U (en) | A kind of wheel hub automatic storage machine | |
| CN110654910B (en) | Knitted fabric winding device | |
| CN206083445U (en) | Packing handstand wire drawing machine | |
| CN205397692U (en) | It is quick and even book yarn device | |
| CN209161075U (en) | A kind of lifting loop | |
| CN204794590U (en) | Hoisting tool | |
| CN206957350U (en) | A kind of easy-to-mount fence assembly in construction site | |
| CN114293778A (en) | Can reduce lifting device for building engineering construction of gyration time | |
| CN211338569U (en) | Construction lifting device | |
| CN209097827U (en) | A coiling machine height adjusting device for ES fibre production | |
| CN105480782B (en) | A kind of Novel cable hitch frame | |
| CN208008349U (en) | A kind of civil engineering pipeline movable stand | |
| CN202479270U (en) | Uncoiling machine movable type tensioning device | |
| CN207706013U (en) | A kind of coil winding machine of high-tension coil rotor core | |
| CN207508004U (en) | Power reel | |
| CN207107997U (en) | The device of quick winding pp carpet | |
| CN115838112B (en) | Building hoisting device and application method thereof | |
| CN106276343B (en) | It is a kind of can self-regulating angle high efficiency steel band unreeling machine | |
| CN210763616U (en) | Winding equipment for machining steel wire rope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20190105 |