CN113716461A - Hoisting device for propeller strut of crane ship - Google Patents
Hoisting device for propeller strut of crane ship Download PDFInfo
- Publication number
- CN113716461A CN113716461A CN202111075927.8A CN202111075927A CN113716461A CN 113716461 A CN113716461 A CN 113716461A CN 202111075927 A CN202111075927 A CN 202111075927A CN 113716461 A CN113716461 A CN 113716461A
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- fixedly connected
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- 230000000694 effects Effects 0.000 claims abstract description 16
- 230000005484 gravity Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a propeller strut hoisting device of a crane ship, which relates to the technical field of hoisting, and comprises a main box and also comprises: set up the locking mechanism in the main part incasement, including the mounting panel, slide on the mounting panel and run through and set up the erection column, erection column one side sets up trapezoidal piece, and the mounting panel bottom of trapezoidal piece one side sets up the pinch roller, bears arm one side and rotates and set up the check rod, and the main part incasement wall of check rod one side sets up the ratchet, and the transmission is connected between ratchet and the pinch roller, the main part incasement of mounting panel top sets up the linkage subassembly, and the linkage subassembly drives the erection column and moves down, and in the hoist and mount in-process, when the condition that rolling motor appears losing power, the haulage rope moves down under the effect of gravity, and the pinch roller rolls under the effect of haulage rope this moment, drives ratchet rotation simultaneously, and the ratchet is blocked under the effect of check rod, and then makes the pinch roller blocked, and pinch roller extrusion haulage rope and then play the locking effect, has improved the security when device hoists.
Description
Technical Field
The invention relates to the technical field of hoisting, in particular to a propeller strut hoisting device for a crane ship.
Background
A crane vessel is also known as a floating crane vessel. The hoisting device is used for hoisting and hoisting operation on water, and is generally non-self-propelled and self-propelled. A crane is mounted on the crane ship. The crane of the crane can rotate, and when a large part is hoisted, the two cranes can be used for combined operation.
Traditional hoist device is when using, does not set up mechanical self-lock device, when some heavy objects of hoist and mount, if the coiling motor breaks down and leads to the haulage rope to follow the heavy object landing, the consequence will be very serious, and traditional hoist device does not set up hoist and mount stabilizing equipment simultaneously, rises high position department at hoist and mount object, receives that the external air flows to influence about big, appears rocking when traditional device hoists, can increase the potential safety hazard of device.
Disclosure of Invention
The invention provides a propeller strut hoisting device for a crane ship, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a jack-up ship propeller strut hoist device, includes the main part case, still includes:
the fixing rods are arranged on two sides of the main box, one end of each fixing rod is hinged with the corresponding supporting rod, and one end of each supporting rod is hinged with the corresponding positioning pin;
the locking mechanism comprises a mounting plate, a mounting column is arranged on the mounting plate in a sliding and penetrating manner, a trapezoidal block is arranged on one side of the mounting column, a pressing wheel is arranged at the bottom of the mounting plate on one side of the trapezoidal block, a bearing arm is arranged on the side wall of the mounting column on one side of the pressing wheel, a locking rod is arranged on one side of the bearing arm in a rotating manner, a ratchet wheel is arranged on the inner wall of the main box on one side of the locking rod, the ratchet wheel is in transmission connection with the pressing wheel, a linkage assembly is arranged in the main box above the mounting plate, a winding motor is arranged on one side of the top of the main box, a traction rope on the winding motor extends into the main box, the traction rope is driven by the influence of hoisting gravity to move downwards, the linkage assembly drives the mounting column to move downwards, so that the locking rod is in contact with the ratchet wheel, meanwhile, the trapezoidal block drives the pressing wheel to move towards one side of the traction rope, and when the winding motor loses power in the hoisting process, the traction rope moves downwards under the action of gravity, the pinch roller rolls under the action of the traction rope at the moment, the ratchet gear is driven to rotate, the ratchet gear is clamped under the action of the stop rod, the pinch roller is further clamped, and the pinch roller extrudes the traction rope to further play a role in stopping;
set up in the stabilizing mean of detent mechanism below, including spacing case, spacing case and main part case sliding connection, both sides set up spacing round in the spacing case, the haulage rope plays the effect of stabilizing the haulage rope when hoist and mount between spacing round.
As a preferred technical scheme, the linkage assembly comprises a linkage rod, linkage grooves are formed in two sides of the linkage rod, a rotating rod is arranged in a main box on one side of the linkage rod, one end of the rotating rod is hinged with a supporting wheel, a linkage shaft is arranged on one side of the rotating rod, and the linkage shaft extends into the linkage grooves.
As a preferred technical scheme of the invention, the top of the mounting column is fixedly connected with the linkage rod, the mounting column above the mounting plate is sleeved with the elastic part, the bottom of the mounting plate at one side of the trapezoidal block is connected with the mounting shell in a sliding manner, the mounting shell is rotationally connected with the pressing wheel, and one side of the mounting shell is rotationally provided with the roller.
As a preferred technical scheme of the invention, the bottom of the mounting plate at one side of the mounting shell is fixedly connected with a supporting piece, one side of the supporting piece is fixedly connected with the mounting shell, and the bottom of the bearing arm at one side of the stop rod is fixedly connected with a limiting block.
As a preferred technical scheme, the stabilizing mechanism comprises a bearing plate fixedly arranged in a main body box, a movable plate is arranged above the bearing plate, a telescopic piece is fixedly connected between the movable plate and the bearing plate, two sides of the bottom of the bearing plate are rotatably connected with locking rods, and one side of a rotating shaft of each locking rod is fixedly connected with a rotating arm.
As a preferred technical scheme, a limiting column is fixedly connected between the bearing plate and the bottom wall of the main box, a piston plate is arranged on the limiting column in a sliding mode, the piston plate is fixedly connected with the limiting box, one end of the limiting box extends to the lower portion of the main box, and the bottom of the limiting box is fixedly connected with a clamping plate.
As a preferred technical scheme of the invention, the side wall of the main box below the fixed rod is fixedly connected with a hydraulic telescopic column, and one end of the hydraulic telescopic column is connected with the supporting rod in a sliding manner.
The invention has the following advantages: when in use, the device is fixed at a proper position, then the winding motor is started to drive the traction rope to fall down, the lifting hook is connected with a heavy object, then the winding motor starts to wind, at the moment, the traction rope is migrated by larger gravity to drive the heavy object to rise, meanwhile, the support wheel drives the rotating rod to rotate under the transmission effect of the gravity effect of the traction rope, the linkage is driven to move downwards under the effect of the linkage shaft, the linkage rod drives the mounting column to move downwards, the trapezoidal block at one side of the mounting column moves downwards under the effect of the roller to drive the pressing wheel below the mounting shell to move towards the middle to realize the extrusion of the traction rope, meanwhile, the mounting column drives the stop rod at one side of the bearing arm to move downwards to be meshed with the ratchet wheel, under the normal condition, the traction rope drives the heavy object pressing wheel to move upwards to follow and rotate, when the winding motor loses power during the hoisting process, the traction rope moves downwards under the effect of gravity, the pinch roller rolls under the effect of haulage rope this moment, drive ratchet gear simultaneously and rotate, ratchet gear is blocked under the effect of locking lever and dies, and then make the pinch roller blocked and die, the pinch roller extrudees the haulage rope and then plays the locking effect, the safety problem that the device construction is guaranteed, when the haulage rope receives heavy object gravity, the erection column moves down and drives the fly leaf simultaneously and moves down, and then drive the locking lever through the rotor arm and rotate and open, the piston plate is put down, the stop box whereabouts, when the haulage rope rises to higher position department, the rolling rope is whole to be received in stop box and the main part incasement, continue to rise this moment and can guarantee the stability of heavy object, can not appear rocking, the safety in utilization of device has been improved greatly, the practicality is higher.
Drawings
Fig. 1 is a schematic structural diagram of a main body of a propeller strut hoisting device of a crane ship.
Fig. 2 is a schematic structural diagram of the interior of a main box of a propeller strut hoisting device of a crane ship.
Fig. 3 is an enlarged schematic view of a in fig. 2.
Fig. 4 is a schematic structural diagram of a linkage rod in a propeller strut hoisting device of a crane ship.
In the figure: 1. a main body case; 2. a hydraulic telescopic column; 3. a limiting column; 4. a limiting box; 5. a support bar; 6. fixing the rod; 7. a limiting block; 8. a ratchet gear; 9. a positioning leg; 10. clamping a plate; 11. a winding motor; 12. a linkage rod; 13. rotating the rod; 14. a linkage groove; 15. a support wheel; 16. a linkage shaft; 17. an elastic member; 18. mounting a plate; 19. a trapezoidal block; 20. mounting a column; 21. a movable plate; 22. a rotating arm; 23. a lock lever; 24. a limiting wheel; 25. a carrier plate; 26. a telescoping member; 27. a piston plate; 28. mounting an arm; 29. a pinch roller; 30. mounting a shell; 31. a roller; 32. a support member; 33. a carrying arm; 34. a stopper rod; .
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Examples
Referring to fig. 1-4, a propeller strut hoisting device for a crane ship comprises a main body box 1, and further comprises:
the fixing rods 6 are fixedly arranged on two sides of the main body box 1, one end of each fixing rod 6 is hinged with the supporting rod 5, and one end of each supporting rod 5 is hinged with the positioning pin 9;
the locking mechanism arranged in the main body box 1 comprises a mounting plate 18, two sides of the mounting plate 18 are fixedly connected with the side wall of the main body box 1, a mounting column 20 is arranged on the mounting plate 18 in a sliding and penetrating mode, a trapezoidal block 19 is fixedly arranged on one side of the mounting column 20, a pressing wheel 29 is arranged at the bottom of the mounting plate 18 on one side of the trapezoidal block 19, a bearing arm 33 is fixedly arranged on the side wall of the mounting column 20 on one side of the pressing wheel 29, a stop rod 34 is rotatably arranged on one side of the bearing arm 33, a ratchet wheel 8 is arranged on the inner wall of the main body box 1 on one side of the stop rod 34, the ratchet wheel 8 is connected with the pressing wheel 29 through chain transmission, a linkage assembly is arranged in the main body box 1 above the mounting plate 18, a winding motor 11 is fixedly arranged on one side of the top of the main body box 1, a traction rope on the winding motor 11 extends into the main body box 1, the traction rope is influenced by hoisting gravity to drive the linkage assembly to move downwards, the linkage assembly drives the mounting column 20 to move downwards, the stop rod 34 is in contact with the ratchet wheel 8, the trapezoidal block 19 drives the pressing wheel 29 to move to one side of the traction rope, when the power of the winding motor 11 is lost in the hoisting process, the traction rope moves downwards under the action of gravity, the pressing wheel 29 rolls under the action of the traction rope at the moment, the ratchet wheel 8 is driven to rotate, the ratchet wheel 8 is clamped under the action of the stop rod 34, the pressing wheel 29 is clamped, and the pressing wheel 29 extrudes the traction rope to play a role in stopping;
set up in the stabilizing mean of detent mechanism below, including spacing case 4, spacing case 4 and 1 sliding connection of main part case, both sides are rotated in the spacing case 4 and are set up spacing round 24, the haulage rope plays the effect of stabilizing the haulage rope when hoisting between spacing round 24.
Linkage assembly includes gangbar 12, 12 both sides of gangbar and 1 inner wall sliding connection of main part case, linkage groove 14 is seted up to gangbar 12 both sides, 1 internal rotation of main part case of gangbar 12 one side sets up dwang 13, and dwang 13 one end is rotated joint support wheel 15, dwang 13 one side is fixed to be set up universal driving shaft 16, and universal driving shaft 16 extends to in the linkage groove 14.
The top of the mounting column 20 is fixedly connected with the linkage rod 12, the elastic part 17 is sleeved on the mounting column 20 above the mounting plate 18, the bottom of the mounting plate 18 on one side of the trapezoidal block 19 is connected with a mounting shell 30 in a sliding mode, the mounting shell 30 is rotatably connected with a pressing wheel 29, and a roller 31 is rotatably arranged on one side of the mounting shell 30.
The bottom of the mounting plate 18 on one side of the mounting shell 30 is fixedly connected with a supporting piece 32, one side of the supporting piece 32 is fixedly connected with the mounting shell 30, and the bottom of the bearing arm 33 on one side of the stop rod 34 is fixedly connected with a limiting block 7.
The stabilizing mechanism comprises a bearing plate 25 fixedly arranged in the main body box 1, a movable plate 21 is arranged above the bearing plate 25, two sides of the movable plate 21 are slidably connected with the inner wall of the main body box 1, a telescopic piece 26 is fixedly connected between the movable plate 21 and the bearing plate 25, two sides of the bottom of the bearing plate 25 are rotatably connected with a locking rod 23, and one side of a rotating shaft of the locking rod 23 is fixedly connected with a rotating arm 22.
Fixed connection spacing post 3 between bearing board 25 and the 1 diapire of main part case, the slip sets up piston plate 27 on spacing post 3, piston plate 27 and spacing case 4 fixed connection, 4 one end of spacing case extend to main part case 1 below, and bottom fixed connection cardboard 10.
The lateral wall of the main body box 1 below the fixed rod 6 is fixedly connected with a hydraulic telescopic column 2, one end of the hydraulic telescopic column 2 is slidably connected with the support rod 5, the lateral wall of the main body box 1 on one side of the ratchet gear 8 is fixedly connected with an installation arm 28, and the installation arm 28 is rotatably connected with the ratchet gear 8.
In the implementation process of the invention, when the device is used, the device is fixed at a proper position, then the winding motor 11 is started to drive the traction rope to fall, the hook is connected with a heavy object, then the winding motor 11 starts to wind, at the moment, the traction rope is moved by large gravity to drive the heavy object to rise, simultaneously the support wheel 15 drives the rotating rod 13 to rotate under the transmission action of the gravity effect of the traction rope, the linkage is driven to move downwards under the action of the linkage shaft 16, the linkage rod 12 drives the mounting post 20 to move downwards, the trapezoidal block 19 at one side of the mounting post 20 moves downwards under the action of the roller 31 to drive the pressing wheel 29 below the mounting shell 30 to move towards the middle to realize the extrusion of the traction rope, simultaneously the mounting post 20 drives the stop rod 34 at one side of the bearing arm 33 to move downwards to be meshed with the ratchet wheel 8, under the normal condition, the traction rope drives the heavy object to move upwards and the pressing wheel 29 to rotate, and in the hoisting process, when the power of the winding motor 11 is lost, the traction rope moves downwards under the action of gravity, the pinch roller 29 rolls under the action of the traction rope and drives the ratchet wheel 8 to rotate at the same time, under the action of the stop rod 34, the ratchet wheel 8 is blocked, so that the pressing wheel 29 is blocked, the pressing wheel 29 extrudes the traction rope to play a role in stopping, the safety problem of device construction is ensured, meanwhile, when the hauling cable is subject to the gravity of the weight, the mounting column 20 moves downwards and drives the movable plate 21 to move downwards, the rotating arm 22 drives the locking rod 23 to rotate and open, the piston plate 27 is put down, the limit box 4 falls down, when the haulage rope rises to higher position department, the rolling rope is whole to be taken in spacing case 4 and main part case 1, continues to rise this moment and can guarantee the stability of heavy object, can not appear rocking, has improved the safety in utilization of device greatly, and the practicality is higher.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a jack-up ship propeller strut hoist device, includes the main part case, its characterized in that still includes:
the fixing rods are arranged on two sides of the main box, one end of each fixing rod is hinged with the corresponding supporting rod, and one end of each supporting rod is hinged with the corresponding positioning pin;
the locking mechanism comprises a mounting plate, a mounting column is arranged on the mounting plate in a sliding and penetrating manner, a trapezoidal block is arranged on one side of the mounting column, a pressing wheel is arranged at the bottom of the mounting plate on one side of the trapezoidal block, a bearing arm is arranged on the side wall of the mounting column on one side of the pressing wheel, a locking rod is arranged on one side of the bearing arm in a rotating manner, a ratchet wheel is arranged on the inner wall of the main box on one side of the locking rod, the ratchet wheel is in transmission connection with the pressing wheel, a linkage assembly is arranged in the main box above the mounting plate, a winding motor is arranged on one side of the top of the main box, a traction rope on the winding motor extends into the main box, the traction rope is driven by the influence of hoisting gravity to move downwards, the linkage assembly drives the mounting column to move downwards, so that the locking rod is in contact with the ratchet wheel, meanwhile, the trapezoidal block drives the pressing wheel to move towards one side of the traction rope, and when the winding motor loses power in the hoisting process, the traction rope moves downwards under the action of gravity, the pinch roller rolls under the action of the traction rope at the moment, the ratchet gear is driven to rotate, the ratchet gear is clamped under the action of the stop rod, the pinch roller is further clamped, and the pinch roller extrudes the traction rope to further play a role in stopping;
set up in the stabilizing mean of detent mechanism below, including spacing case, spacing case and main part case sliding connection, both sides set up spacing round in the spacing case, the haulage rope plays the effect of stabilizing the haulage rope when hoist and mount between spacing round.
2. The hoisting device for the propeller strut of the crane ship as claimed in claim 1, wherein the linkage assembly comprises a linkage rod, linkage grooves are formed in two sides of the linkage rod, a rotating rod is arranged in the main box on one side of the linkage rod, a supporting wheel is hinged to one end of the rotating rod, a linkage shaft is arranged on one side of the rotating rod, and the linkage shaft extends into the linkage grooves.
3. The hoisting device for the propeller strut of the crane ship as claimed in claim 2, wherein the top of the mounting column is fixedly connected with the linkage rod, the elastic member is sleeved on the mounting column above the mounting plate, the bottom of the mounting plate on one side of the trapezoidal block is slidably connected with the mounting shell, the mounting shell is rotatably connected with the pressing wheel, and the roller is rotatably arranged on one side of the mounting shell.
4. The hoisting device for the propeller strut of the crane ship as claimed in claim 3, wherein the bottom of the mounting plate on one side of the mounting shell is fixedly connected with the supporting member, one side of the supporting member is fixedly connected with the mounting shell, and the bottom of the bearing arm on one side of the stop rod is fixedly connected with the limiting block.
5. The propeller strut lifting device of claim 4, wherein the stabilizing mechanism comprises a bearing plate fixedly arranged in the main box, a movable plate is arranged above the bearing plate, a telescopic member is fixedly connected between the movable plate and the bearing plate, the bottom of the bearing plate is rotatably connected with a locking rod on two sides, and a rotating arm is fixedly connected with one side of a rotating shaft of the locking rod.
6. The propeller strut lifting device of claim 5, wherein a limiting column is fixedly connected between the bearing plate and the bottom wall of the main box, a piston plate is slidably arranged on the limiting column and fixedly connected with the limiting box, one end of the limiting box extends to the lower part of the main box, and the bottom of the limiting box is fixedly connected with the clamping plate.
7. The propeller strut lifting device of a crane ship as claimed in claim 1, wherein a hydraulic telescopic column is fixedly connected to the side wall of the main body box below the fixing rod, and one end of the hydraulic telescopic column is slidably connected to the supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111075927.8A CN113716461B (en) | 2021-09-14 | 2021-09-14 | Lifting device for propeller strut of crane ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111075927.8A CN113716461B (en) | 2021-09-14 | 2021-09-14 | Lifting device for propeller strut of crane ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113716461A true CN113716461A (en) | 2021-11-30 |
| CN113716461B CN113716461B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111075927.8A Active CN113716461B (en) | 2021-09-14 | 2021-09-14 | Lifting device for propeller strut of crane ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113716461B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116374827A (en) * | 2023-06-05 | 2023-07-04 | 东鼎建设有限公司 | Crane boom guide mechanism for building construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB352225A (en) * | 1930-06-25 | 1931-07-09 | Dudley James Barnard | Improvements in grabs |
| CN207296352U (en) * | 2017-08-31 | 2018-05-01 | 云南建投第十四建设有限公司 | A kind of building lifter anti-fall with self-locking |
| CN110165845A (en) * | 2019-04-25 | 2019-08-23 | 乌江渡发电厂 | A kind of manual keystroke device for Hydropower Unit rotor magnetic pole key |
| CN212453569U (en) * | 2020-05-01 | 2021-02-02 | 金华名宇建设有限公司 | Anti-falling device of building element for building construction |
| CN113307138A (en) * | 2021-06-08 | 2021-08-27 | 杭州谦泰五金机械制造有限公司 | Hoisting equipment for asymmetric steel plates |
-
2021
- 2021-09-14 CN CN202111075927.8A patent/CN113716461B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB352225A (en) * | 1930-06-25 | 1931-07-09 | Dudley James Barnard | Improvements in grabs |
| CN207296352U (en) * | 2017-08-31 | 2018-05-01 | 云南建投第十四建设有限公司 | A kind of building lifter anti-fall with self-locking |
| CN110165845A (en) * | 2019-04-25 | 2019-08-23 | 乌江渡发电厂 | A kind of manual keystroke device for Hydropower Unit rotor magnetic pole key |
| CN212453569U (en) * | 2020-05-01 | 2021-02-02 | 金华名宇建设有限公司 | Anti-falling device of building element for building construction |
| CN113307138A (en) * | 2021-06-08 | 2021-08-27 | 杭州谦泰五金机械制造有限公司 | Hoisting equipment for asymmetric steel plates |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116374827A (en) * | 2023-06-05 | 2023-07-04 | 东鼎建设有限公司 | Crane boom guide mechanism for building construction |
| CN116374827B (en) * | 2023-06-05 | 2023-09-19 | 东鼎建设有限公司 | Crane boom guide mechanism for building construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113716461B (en) | 2024-04-19 |
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