CN112209258A - Hoisting equipment with rigging adjusting accessory for hoisting large-tonnage platform - Google Patents
Hoisting equipment with rigging adjusting accessory for hoisting large-tonnage platform Download PDFInfo
- Publication number
- CN112209258A CN112209258A CN202011249472.2A CN202011249472A CN112209258A CN 112209258 A CN112209258 A CN 112209258A CN 202011249472 A CN202011249472 A CN 202011249472A CN 112209258 A CN112209258 A CN 112209258A
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- China
- Prior art keywords
- hoisting
- rigging
- hoist
- lead screw
- mount
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
- B66C23/163—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements where only part of the column rotates, i.e. at least the bottom part is fixed
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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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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- 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
- B66D1/28—Other constructional details
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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
- B66D1/28—Other constructional details
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses hoisting equipment with a rigging adjusting accessory for hoisting a large-tonnage platform, which comprises a base, a lifting sleeve, a cross beam, a lifting adjusting mechanism and a rigging adjusting mechanism, wherein the lifting sleeve is positioned above the base and is in lifting connection with the base, the cross beam is positioned at the top end of the lifting sleeve, one end of the cross beam is movably connected with the top end of the lifting sleeve through a movable shaft, a protective box is arranged on the base, the lifting adjusting mechanism is positioned in the protective box, a traction mechanism is arranged on the cross beam, and the rigging adjusting mechanism is positioned below one end of the cross beam. According to the invention, by arranging the rigging adjusting mechanism, the second driving motor can be used for driving the second transmission screw rod and the third transmission screw rod to synchronously rotate, so that the second screw rod nut and the third screw rod nut on the second transmission screw rod and the third transmission screw rod move oppositely or reversely, thus the distance between two groups of hoisting chains is adjusted, cargoes with different widths can be hoisted, and the flexibility is good.
Description
Technical Field
The invention relates to the technical field of hoisting, in particular to hoisting equipment with rigging adjusting accessories for hoisting a large-tonnage platform.
Background
The hoisting refers to the general name of the installation and the positioning of equipment by a crane or a hoisting mechanism, generally, the hoisting needs to be carried out in a matching way by a hoisting tool (or called a hoisting rigging), the hoisting tool is manufactured by a professional manufacturer, along with the maturity of the processing technology in China, various devices and equipment are rapidly developed, and the hoisting equipment is widely applied to various fields.
However, the hydraulic lifting mechanism is mostly adopted to promote when current lifting device rises, and the promotion space is limited, and the use of being not convenient for, and current lifting device is when using, and the rigging of hoist and mount usefulness is not convenient for adjust mostly, is not convenient for fix and hoist and mount the goods of different size width, and the flexibility is poor, needs to improve.
Disclosure of Invention
The invention aims to provide hoisting equipment with a rigging adjusting accessory for hoisting a large-tonnage platform, and the hoisting equipment is used for solving the problems that most of the existing hoisting equipment in the background art adopts a hydraulic lifting mechanism to lift when the existing hoisting equipment is lifted, the lifting space is limited, the existing hoisting equipment is inconvenient to use, most of the existing hoisting equipment is inconvenient to adjust when the existing hoisting equipment is used, the existing hoisting equipment is inconvenient to fix and hoist cargos with different sizes and widths, and the flexibility is poor.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a large-tonnage platform is hoisted with lifting device who has rigging adjustment accessory, includes base, lifting sleeve, crossbeam, lift adjustment mechanism and rigging adjustment mechanism, lifting sleeve is located the base top, and lifting sleeve and base lift connection, the crossbeam is located the lifting sleeve top, and crossbeam one end passes through loose axle and lifting sleeve top swing joint, be equipped with the protecting box on the base, lift adjustment mechanism is located the protecting box, be equipped with drive mechanism on the crossbeam, rigging adjustment mechanism is located crossbeam one end below, and rigging adjustment mechanism passes through drive mechanism and is connected with the crossbeam.
Preferably, rigging adjustment mechanism includes hoist and mount platform, first hoist and mount chain, second hoist and mount chain, the hoist and mount platform lower surface is equipped with the recess, first hoist and mount chain, second hoist and mount chain one end all along to recess inside and with recess swing joint, the equal fixedly connected with padlock of the first hoist and mount chain, second hoist and mount chain other end.
Preferably, the inside rotation of recess is installed second transmission lead screw, third transmission lead screw, second transmission lead screw one end is connected with recess one side inner wall rotation, the second transmission lead screw other end and third transmission lead screw one end fixed connection, the third transmission lead screw other end and the output shaft fixed connection of the second driving motor who is equipped with on a lateral wall of hoist and mount platform.
Preferably, a second screw nut and a third screw nut are respectively arranged on the second transmission screw rod and the third transmission screw rod, and the first hoisting chain and the second hoisting chain are respectively movably connected with the second screw nut and the third screw nut.
Preferably, the grains on the second transmission screw rod and the grains on the third transmission screw rod are arranged in a reverse direction.
Preferably, lift adjustment mechanism includes first transmission lead screw, a driving motor, first transmission lead screw rotates and installs on the base, be equipped with a screw-nut on the first transmission lead screw, the fixed cover in lifting sleeve bottom is established on a screw-nut, a driving motor be located first transmission lead screw one side and with base fixed connection.
Preferably, the output shaft of the first driving motor is fixedly connected with a rotating shaft, the rotating shaft is fixedly provided with a driving gear, one side of the driving gear is meshed with a driven gear, and the driven gear is fixedly arranged on the first transmission screw rod.
Preferably, the traction mechanism comprises a traction steel wire rope and a traction guide wheel, the traction guide wheel is rotatably installed at one end of the cross beam, one end of the traction steel wire rope penetrates through the traction guide wheel to be connected with a triangular connecting frame, and the bottom end of the triangular connecting frame is connected with the upper surface of the hoisting table.
Preferably, be equipped with winding mechanism on the crossbeam, winding mechanism includes rolling frame and rolling motor, the take-up roll one end fixed connection that is equipped with on rolling motor's the output shaft and the rolling frame, the winding of traction wire rope one end sets up on the take-up roll.
Preferably, all be equipped with the fixing base on the wall of lift sleeve both sides, swing joint has the pneumatic cylinder on the fixing base, the extension end and the crossbeam bottom one side of pneumatic cylinder are connected.
The invention provides hoisting equipment with a rigging adjusting accessory for hoisting a large-tonnage platform, which has the following beneficial effects:
(1) according to the invention, through arranging the rigging adjusting mechanism, the second driving motor can be utilized to rotate forwards or reversely, so that the second transmission screw rod and the third transmission screw rod are driven to rotate synchronously, and the second screw rod nut and the third screw rod nut on the second transmission screw rod and the third transmission screw rod move oppositely or reversely, so that the distance between two groups of hoisting chains is adjusted, and cargoes with different widths can be hoisted, and the rigging adjusting mechanism has good flexibility and is convenient to use.
(2) According to the invention, through the arrangement of the lifting adjusting device, when the lifting height needs to be further lifted in the lifting process, the first driving motor can be started, the first driving motor is utilized to rotate in the forward direction to drive the rotating shaft to rotate, so that the driving gear rotates and is meshed with the driven gear to rotate, the driven gear drives the first driving screw rod to synchronously rotate while rotating, so that the first screw rod nut moves upwards, the lifting sleeve is driven to synchronously move upwards while the first screw rod nut moves upwards, the lifting height is further lifted, and the lifting adjusting device is convenient to use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the rigging adjustment mechanism structure according to the present invention;
fig. 4 is a schematic structural diagram of the lifting adjusting mechanism of the present invention.
In the figure: 1. a base; 2. a protective box; 3. a first drive screw; 4. a lifting sleeve; 5. a cross beam; 6. a traction wire rope; 7. a traction guide wheel; 8. a triangular connecting frame; 9. hoisting the platform; 10. a second drive motor; 11. a first hoisting chain; 12. a second hoisting chain; 13. locking; 14. a fixed seat; 15. a hydraulic cylinder; 16. a movable shaft; 17. a groove; 18. a second drive screw; 19. a second feed screw nut; 20. a third feed screw nut; 21. a third drive screw; 22. a driven gear; 23. a first lead screw nut; 24. a drive gear; 25. a rotating shaft; 26. a first drive motor; 27. a winding frame; 28. a winding motor.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a large-tonnage platform hoist and mount are with lifting device who has rigging adjustment accessory, includes base 1, lifting sleeve 4, crossbeam 5, lift adjustment mechanism and rigging adjustment mechanism, lifting sleeve 4 is located base 1 top, and lifting sleeve 4 and base 1 lift connection, crossbeam 5 is located 4 tops of lifting sleeve, and 5 one end of crossbeam pass through loose axle 16 and 4 top swing joint of lifting sleeve, be equipped with protecting box 2 on the base 1, lift adjustment mechanism is located protecting box 2, be equipped with drive mechanism on crossbeam 5, rigging adjustment mechanism is located 5 one end below of crossbeam, and rigging adjustment mechanism passes through drive mechanism and is connected with crossbeam 5.
Rigging adjustment mechanism includes hoist and mount platform 9, first hoist and mount chain 11, second hoist and mount chain 12, hoist and mount platform 9 lower surface is equipped with recess 17, first hoist and mount chain 11, second hoist and mount chain 12 one end all along to recess 17 inside and with recess 17 swing joint, the equal fixedly connected with padlock 13 of the first hoist and mount chain 11, the equal fixedly connected with padlock 13 of the second hoist and mount chain 12 other end, during the hoist and mount, can fix first hoist and mount chain 11, second hoist and mount chain 12 through padlock 13 with the goods of treating the hoist and mount to upwards hoist the goods when can utilizing first hoist and mount chain 11, second hoist and mount chain 12 to shift up.
The inside rotation of recess 17 installs second transmission lead screw 18, third transmission lead screw 21, second transmission lead screw 18 one end is connected with recess 17 one side inner wall rotation, the second transmission lead screw 18 other end and third transmission lead screw 21 one end fixed connection, the output shaft fixed connection of the second driving motor 10 that is equipped with on the third transmission lead screw 21 other end and the 9 lateral walls of hoist and mount platform can utilize second driving motor 10 work to drive second transmission lead screw 18, the synchronous rotation of third transmission lead screw 21 to make second feed screw nut 19, the third feed screw nut 20 on second transmission lead screw 18, the third transmission lead screw 21 remove and realize the regulation to first hoist and mount chain 11, second hoist and mount chain 12 position.
The second screw nut 19 and the third screw nut 20 are respectively arranged on the second transmission screw rod 18 and the third transmission screw rod 21, the first hoisting chain 11 and the second hoisting chain 12 are respectively movably connected with the second screw nut 19 and the third screw nut 20, when the second transmission screw rod 18 and the third transmission screw rod 21 rotate forwards or reversely, the second screw nut 19 and the third screw nut 20 can move oppositely or backwards, and therefore the position between the first hoisting chain 11 and the second hoisting chain 12 is adjusted, and the use is convenient.
The lines on the second transmission screw rod 18 and the lines on the third transmission screw rod 21 are arranged in a reverse direction, when the second transmission screw rod 18 and the third transmission screw rod 21 rotate in the same direction, the second screw rod nut 19 and the third screw rod nut 20 can move oppositely or backwards, position adjustment between the first hoisting chain 11 and the second hoisting chain 12 is achieved, and hoisting of goods with different widths is facilitated.
Lifting adjusting mechanism includes first transmission lead screw 3, a driving motor 26, first transmission lead screw 3 rotates and installs on base 1, be equipped with a screw-nut 23 on the first transmission lead screw 3, the fixed cover in 4 bottoms of lifting sleeve is established on a screw-nut 23, a driving motor 26 is located 3 one sides of first transmission lead screw and with base 1 fixed connection, can utilize a driving motor 26 work to drive pivot 25 and rotate for driving gear 24 rotates and meshes driven gear 22 and rotates, thereby makes a transmission lead screw 3 rotate, makes a screw-nut 23 move up or move down, thereby makes lifting sleeve 4 shift up in step or move down convenient to use.
Output shaft fixedly connected with pivot 25 of first driving motor 26, pivot 25 fixed mounting has drive gear 24, the meshing of drive gear 24 one side is connected with driven gear 22, driven gear 22 fixed mounting can utilize first driving motor 26 to rotate drive pivot 25 and rotate on first transmission lead screw 3 to make drive gear 24 rotate and mesh driven gear 22 synchronous rotation.
Traction mechanism includes traction wire rope 6 and traction guide wheel 7, traction guide wheel 7 rotates and installs in 5 one ends of crossbeam, traction wire rope 6 one end is passed traction guide wheel 7 and is connected with triangle link 8, 8 bottom of triangle link and the last surface connection of hoisting platform 9 can utilize traction wire rope 6 to be connected with hoisting platform 9 through triangle link 8, utilizes traction wire rope 6 to pull hoisting platform 9.
Be equipped with winding mechanism on crossbeam 5, winding mechanism includes rolling frame 27 and rolling motor 28, the wind-up roll one end fixed connection that is equipped with on rolling motor 28's the output shaft and the rolling frame 27, the winding of 6 one end of traction wire rope sets up on the wind-up roll, can utilize rolling motor 28 work to drive the wind-up roll rotation on the rolling frame 27 to the realization is rolled traction wire rope 6, realizes hoist and mount work.
All be equipped with fixing base 14 on 4 both sides walls of lifting sleeve, swing joint has pneumatic cylinder 15 on the fixing base 14, thereby pneumatic cylinder 15's extension end is connected with 5 bottom one side of crossbeam, can utilize pneumatic cylinder 15 to extend and promote 5 upwards-tilting movements of crossbeam when hoist and mount, realizes the promotion of height.
It should be noted that, when the hoisting equipment with rigging adjusting accessories for hoisting a large-tonnage platform works, the first hoisting chain 11 and the second hoisting chain 12 can be fixed with a to-be-hoisted cargo through the padlock 13, then the winding mechanism is started, the winding motor 28 works to drive the winding roller on the winding frame 27 to rotate, so as to wind the traction steel wire rope 6, the traction steel wire rope 6 is used to wind and drive the hoisting platform 9 and the cargo to move upwards synchronously, so as to realize hoisting, in the hoisting process, the hydraulic cylinder 15 can be used to extend to push the cross beam 5 to move upwards in an inclined manner, so as to realize further hoisting of the height, so as to ensure that the hoisting height is adjustable, and when the hoisting height needs to be continuously hoisted, the lifting adjusting mechanism can be started, the first driving motor 26 works to drive the rotating shaft 25 to rotate, so that the driving gear 24 rotates and engages with the driven, thereby, the first driving screw rod 3 is rotated, the first screw rod nut 23 moves upwards while driving the lifting sleeve 4 to move upwards synchronously, further lifting of the lifting height is realized, and the use is convenient, by arranging the rigging adjusting mechanism, when lifting, the distance between the first lifting chain 11 and the second lifting chain 12 can be adjusted according to the width of goods, the second driving screw rod 18 and the third driving screw rod 21 can be driven to rotate synchronously by utilizing the forward rotation or reverse rotation of the second driving motor 10, thereby the second screw rod nut 19 and the third screw rod nut 20 on the second driving screw rod 18 and the third driving screw rod 21 move oppositely or move backwards, and simultaneously, the first lifting chain 11 and the second lifting chain 12 can move synchronously along with the second screw rod nut 19 and the third screw rod nut 20, so as to realize synchronous movement of the first lifting chain 11, The adjustment of the position of the second hoisting chain 12 can be suitable for large goods with different sizes and widths, and has good flexibility and convenient use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a large-tonnage platform hoist and mount are with lifting device who has rigging adjustment accessory, a serial communication port, including base (1), lifting sleeve (4), crossbeam (5), lift adjustment mechanism and rigging adjustment mechanism, lifting sleeve (4) are located base (1) top, and lifting sleeve (4) and base (1) go up and down to be connected, crossbeam (5) are located lifting sleeve (4) top, and crossbeam (5) one end passes through loose axle (16) and lifting sleeve (4) top swing joint, be equipped with protecting box (2) on base (1), lift adjustment mechanism is located protecting box (2), be equipped with drive mechanism on crossbeam (5), rigging adjustment mechanism is located crossbeam (5) one end below, and rigging adjustment mechanism passes through drive mechanism and is connected with crossbeam (5).
2. The hoisting equipment with the rigging adjusting accessory for hoisting the large-tonnage platform according to claim 1, characterized in that: rigging adjustment mechanism includes hoist and mount platform (9), first hoist and mount chain (11), second hoist and mount chain (12), hoist and mount platform (9) lower surface is equipped with recess (17), first hoist and mount chain (11), second hoist and mount chain (12) one end all along inside to recess (17) and with recess (17) swing joint, the equal fixedly connected with padlock (13) of first hoist and mount chain (11), second hoist and mount chain (12) other end.
3. The hoisting equipment with the rigging adjusting accessory for hoisting the large-tonnage platform according to claim 2, characterized in that: recess (17) internal rotation installs second transmission lead screw (18), third transmission lead screw (21), second transmission lead screw (18) one end is connected with recess (17) one side inner wall rotation, second transmission lead screw (18) other end and third transmission lead screw (21) one end fixed connection, the output shaft fixed connection of second driving motor (10) that is equipped with on third transmission lead screw (21) other end and the hoist and mount platform (9) a lateral wall.
4. The hoisting equipment with the rigging adjusting accessory for hoisting the large-tonnage platform according to claim 3, characterized in that: and a second screw nut (19) and a third screw nut (20) are respectively arranged on the second transmission screw rod (18) and the third transmission screw rod (21), and the first hoisting chain (11) and the second hoisting chain (12) are respectively movably connected with the second screw nut (19) and the third screw nut (20).
5. The hoisting equipment with the rigging adjusting accessory for hoisting the large-tonnage platform according to claim 4, characterized in that: the grains on the second transmission screw rod (18) and the grains on the third transmission screw rod (21) are arranged in a reverse direction.
6. The hoisting equipment with the rigging adjusting accessory for hoisting the large-tonnage platform according to claim 1, characterized in that: lifting adjusting mechanism includes first transmission lead screw (3), a driving motor (26), first transmission lead screw (3) are rotated and are installed on base (1), be equipped with first screw-nut (23) on first transmission lead screw (3), lifting sleeve (4) bottom is fixed to be established on first screw-nut (23), a driving motor (26) are located first transmission lead screw (3) one side and with base (1) fixed connection.
7. The hoisting equipment with the rigging adjusting accessory for hoisting the large-tonnage platform according to claim 6, characterized in that: the output shaft fixedly connected with pivot (25) of first driving motor (26), pivot (25) fixed mounting has drive gear (24), drive gear (24) one side meshing is connected with driven gear (22), driven gear (22) fixed mounting is on first transmission lead screw (3).
8. The hoisting equipment with the rigging adjusting accessory for hoisting the large-tonnage platform according to claim 1, characterized in that: the traction mechanism comprises a traction steel wire rope (6) and a traction guide wheel (7), the traction guide wheel (7) is rotatably installed at one end of the cross beam (5), one end of the traction steel wire rope (6) penetrates through the traction guide wheel (7) to be connected with a triangular connecting frame (8), and the bottom end of the triangular connecting frame (8) is connected with the upper surface of the hoisting table (9).
9. The hoisting equipment with the rigging adjusting fitting for hoisting the large-tonnage platform according to claim 8, characterized in that: be equipped with winding mechanism on crossbeam (5), winding mechanism includes rolling frame (27) and rolling motor (28), the wind-up roll one end fixed connection that is equipped with on the output shaft of rolling motor (28) and rolling frame (27), traction wire rope (6) one end winding sets up on the wind-up roll.
10. The hoisting equipment with the rigging adjusting accessory for hoisting the large-tonnage platform according to claim 1, characterized in that: all be equipped with fixing base (14) on lifting sleeve (4) both sides wall, swing joint has pneumatic cylinder (15) on fixing base (14), the extension end and crossbeam (5) bottom one side of pneumatic cylinder (15) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011249472.2A CN112209258B (en) | 2020-11-10 | 2020-11-10 | Hoisting equipment with rigging adjusting accessory for hoisting large-tonnage platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011249472.2A CN112209258B (en) | 2020-11-10 | 2020-11-10 | Hoisting equipment with rigging adjusting accessory for hoisting large-tonnage platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112209258A true CN112209258A (en) | 2021-01-12 |
| CN112209258B CN112209258B (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011249472.2A Active CN112209258B (en) | 2020-11-10 | 2020-11-10 | Hoisting equipment with rigging adjusting accessory for hoisting large-tonnage platform |
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| Country | Link |
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| CN (1) | CN112209258B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351738A (en) * | 2022-02-08 | 2022-04-15 | 佛山市城市建设工程有限公司 | Deep foundation pit drainage system |
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| CN205294666U (en) * | 2016-01-25 | 2016-06-08 | 黄河科技学院 | Building material lifting device of precision measurement height |
| CN108946436A (en) * | 2018-08-01 | 2018-12-07 | 扬州市神力吊具制造有限公司 | A kind of novel adjustable suspender |
| JP2019210060A (en) * | 2018-05-31 | 2019-12-12 | 株式会社新来島どっく | Davit |
| CN210558987U (en) * | 2019-05-14 | 2020-05-19 | 深圳市旭立兴科技有限公司 | Electric suspension arm rack |
| CN211419395U (en) * | 2019-12-31 | 2020-09-04 | 吉林省宇轩机电设备有限公司 | Telescopic jib loading boom for hoist device |
| CN211644413U (en) * | 2019-12-24 | 2020-10-09 | 山东泰鼎新机械科技有限公司 | Single-rope winding type elevator |
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2020
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205294666U (en) * | 2016-01-25 | 2016-06-08 | 黄河科技学院 | Building material lifting device of precision measurement height |
| JP2019210060A (en) * | 2018-05-31 | 2019-12-12 | 株式会社新来島どっく | Davit |
| CN108946436A (en) * | 2018-08-01 | 2018-12-07 | 扬州市神力吊具制造有限公司 | A kind of novel adjustable suspender |
| CN210558987U (en) * | 2019-05-14 | 2020-05-19 | 深圳市旭立兴科技有限公司 | Electric suspension arm rack |
| CN211644413U (en) * | 2019-12-24 | 2020-10-09 | 山东泰鼎新机械科技有限公司 | Single-rope winding type elevator |
| CN211419395U (en) * | 2019-12-31 | 2020-09-04 | 吉林省宇轩机电设备有限公司 | Telescopic jib loading boom for hoist device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351738A (en) * | 2022-02-08 | 2022-04-15 | 佛山市城市建设工程有限公司 | Deep foundation pit drainage system |
| CN114351738B (en) * | 2022-02-08 | 2024-03-08 | 佛山市城市建设工程有限公司 | Deep foundation pit drainage system |
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| Publication number | Publication date |
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| CN112209258B (en) | 2021-11-19 |
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