CN111943020A - Special rotatory upset hoist of section bar - Google Patents
Special rotatory upset hoist of section bar Download PDFInfo
- Publication number
- CN111943020A CN111943020A CN202010962463.1A CN202010962463A CN111943020A CN 111943020 A CN111943020 A CN 111943020A CN 202010962463 A CN202010962463 A CN 202010962463A CN 111943020 A CN111943020 A CN 111943020A
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- Prior art keywords
- hanging rack
- magnet
- overturning
- electromagnet
- chain
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
-
- 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
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention provides a special rotary turnover lifting appliance for a section bar, wherein an upper hanging rack is rotatably connected with a middle hanging rack; the upper end of the lower hanging rack is fixed on the middle hanging rack; each overturning electromagnet system comprises two magnet overturning driving wheels, two chains, two magnet overturning driven wheels and an electromagnet; the two chains are respectively sleeved on the magnet overturning driving wheel and the two magnet overturning driven wheels on the corresponding sides and are respectively meshed with the magnet overturning driving wheel and the two magnet overturning driven wheels; the two ends of the electromagnet are respectively fixedly connected with the two magnet overturning driven wheels. The lifting appliance has the advantages that the electromagnet adsorption surface and the pre-adsorption surface of the lifted section or part are well matched before adsorption through the rotation of the lifting appliance and the overturning of the electromagnet, so that uncontrollable factors such as swinging and even falling of the lifted section or part in the lifting process are avoided; the operator can operate the device remotely; greatly increasing the operation safety and improving the safety factor of operators.
Description
Technical Field
The invention relates to a rotary overturning lifting appliance special for a section bar.
Background
The traditional steel lifting appliance generally only uses stronger magnet attraction force to adsorb one surface, one edge or even one point of a lifted object. When the magnet is attracted by one edge or one point, after a certain distance from the ground, the hung object generates certain swing because the gravity center position is not on the vertical plane of the attraction force, and when the magnet attraction force is large enough to overcome the weight force of the hung object, the magnet attraction surface can be attached to one surface of the hung object to achieve a stable state; when the attraction force of the magnet is not enough to overcome the weight force of the hung object, the hung object can swing below the magnet and even fall off. In the first case, it is practically acceptable, but the magnet to be used is forced to be large, thereby causing unnecessary waste and magnetic pollution. In the second situation, the adsorption cannot be carried out, or the swing is carried out all the time, and a danger source is formed along with the continuous increase of the height above the ground, so that the adsorption effect is improved by manual close-range intervention; similarly, when the magnet attracts the suspended object and the shelf is not perfectly matched with the suspended object, a manual pad is needed to be added in a short distance or the magnet is removed by a free falling body, so that the free falling body has more or less impact, and the object is damaged and the noise pollution is caused. Meanwhile, manual close-range intervention can increase labor cost and personal injury risk to intervention personnel.
Disclosure of Invention
According to the special rotary overturning lifting appliance for the section bar, the adsorption surface of the electromagnet and the pre-adsorption surface of the lifted section bar or part are well matched before adsorption through the rotation of the lifting appliance and the overturning of the electromagnet, so that uncontrollable factors such as swinging and even dropping of the lifted section bar or part in the lifting process are avoided, or a large-size electromagnet is selected, and unnecessary waste and electromagnetic pollution are caused; the operator can operate the device remotely; the operation safety is greatly improved, and the safety factor of operators is improved; to overcome the disadvantages of the prior art.
The invention provides a special rotary overturning lifting appliance for profiles, which comprises an upper hanging frame 1, a middle hanging frame 3, a lower hanging frame 4 and a plurality of overturning electromagnet systems 5, wherein the middle hanging frame 3 is provided with a plurality of lifting arms; the upper hanging rack 1 is rotatably connected with the middle hanging rack 3; the upper end of the lower hanging rack 4 is fixed on the middle hanging rack 3; the turning electromagnet system 5 is arranged on the lower hanging rack 4; each overturning electromagnet system 5 comprises two magnet overturning driving wheels 51, two chains 52, two magnet overturning driven wheels 54 and an electromagnet 56; the two magnet turnover driving wheels 51, the two chains 52 and the two magnet turnover driven wheels 54 are symmetrically arranged on two sides of the electromagnet 56; the two magnet overturning driving wheels 51 can rotate on the lower hanging rack 4; the two chains 52 are respectively sleeved on the magnet overturning driving wheel 51 and the two magnet overturning driven wheels 54 on the corresponding sides and are respectively meshed with the two magnet overturning driving wheels and the two magnet overturning driven wheels; the two ends of the electromagnet 56 are fixedly connected with the two magnet turnover driven wheels 54 respectively, and can turn over along with the rotation of the magnet turnover driven wheels 54.
Further, the invention provides a special rotary turnover lifting appliance for profiles, which can also have the following characteristics: the overturning electromagnet system 5 is provided with a driving device 57 and a transmission shaft 58; the driving device 57 is fixed on the lower hanging rack 4, the transmission shaft 58 is rotatably connected with the lower hanging rack 4, and the driving device 57 drives the transmission shaft 58 to rotate. All the magnet tumble drivers 51 are fixed to the transmission shaft 58 and rotate with it.
Further, the invention provides a special rotary turnover lifting appliance for profiles, which can also have the following characteristics: also comprises a rotating device 2; the upper hanging rack 1 and the middle hanging rack 3 are rotatably connected through a rotating device 2.
Further, the invention provides a special rotary turnover lifting appliance for profiles, which can also have the following characteristics: the rotating device 2 comprises at least one rotary drive 21, at least one slewing drive pinion and an external toothed slewing bearing 23; the rotary drive 21 is fixed on the upper hanging rack 1, and the rotary drive pinion is fixed on the output shaft of the corresponding rotary drive 21; an inner ring 23a of the external tooth type slewing bearing 23 is fixedly connected with the upper hanging rack 1, and an external gear ring 23b of the external tooth type slewing bearing 23 is fixedly connected with the middle hanging rack 3; the slewing drive pinion meshes with the outer ring gear 23b of the outer toothed slewing bearing 23.
Further, the invention provides a special rotary turnover lifting appliance for profiles, which can also have the following characteristics: the center of the upper hanger 1 is provided with a guide cable frame 11, and when the suspension length of the power supply cable of the hanger is changed, the power supply cable is collected or placed in the guide cable frame 11 according to a fixed direction.
Further, the invention provides a special rotary turnover lifting appliance for profiles, which can also have the following characteristics: the upper hanging rack 1 is also provided with a plurality of pulleys 12; the opening size of the pulley 12 is matched with the arrangement of the travelling crane, and the pulley is connected with the travelling crane through a steel wire rope wound on the pulley 12.
Further, the invention provides a special rotary turnover lifting appliance for profiles, which can also have the following characteristics: the lower hanging rack 4 is of a truss girder structure and is formed by riveting or welding profile steel and steel plates.
Further, the invention provides a special rotary turnover lifting appliance for profiles, which can also have the following characteristics: the overturning electromagnet system 5 further comprises two chain anti-drop devices 55; the chain anti-drop device 55 comprises a retainer 551, two sprocket assemblies 552 and a transition gear assembly 553; the retainer 551 is rotatably connected with the shaft of the magnet turnover driven wheel 54; the two sprocket assemblies 552 include: a sprocket shaft 552a and a sprocket 552 b; the sprocket shaft 552a is rotatably connected with the holder 551; the sprockets 552b are fixed to two sprocket shafts 552a, the two sprockets 552b being located on one side of the holder 551; the one-side chain 52 passes between the one sprocket 552b and the stopper plate 554a on the one side, and the sprocket 552b is engaged with the magnet-flipping driven wheel 54 on the one side, passes between the other sprocket 552b on the one side and the stopper plate 554a, and the sprocket 552b is engaged with the magnet-flipping driving wheel 51 on the one side. Transition gear set 553 is free to rotate when not engaged. The two sprockets 552b are outside the holder 551, and inside the holder 551 are a transition gear 553b and a synchronizing gear 552c engaged with the transition gear 553b and the synchronizing gear 552c, wherein the sprocket 552b and the synchronizing gear 552c on the same sprocket assembly 552 rotate synchronously, so that when the sprocket 552b on one side is driven by the chain to rotate, the sprocket shaft 552a and the synchronizing gear 552c are driven to rotate synchronously, the synchronizing gear 552c is engaged with the transition gear 553b, the transition gear 553b is engaged with the synchronizing gear 552c on the other side, and the synchronizing gear 552c is used for rigidly driving the sprocket shaft 552a and the sprocket 552b to rotate, as described above, when the sprocket 552b on one side winds how many racks, the same number of racks are wound from the sprocket 552b on the other side. Between the side sprockets 552b on the driven pulley 54 side, a closed chain of constant length is formed, ensuring that the portion of the chain does not come loose.
Drawings
Fig. 1 is a schematic structural diagram of a special rotary turnover lifting appliance for profiles in an embodiment.
Fig. 2 is a schematic structural view of the flip-flop electromagnet system in the embodiment.
Fig. 3 is a side perspective view of the special rotary turning hanger for the section bar in the embodiment.
Fig. 4 is another side perspective view of the special rotary turning sling for the section bar in the embodiment.
Fig. 5 is an exploded view of the sprocket assembly in the example.
Fig. 6 is an exploded view of the transition gear assembly of the embodiment.
Fig. 7 is a schematic structural view of the rotating device and the upper rack in the embodiment.
Fig. 8 is a schematic structural view of the rotating device and the intermediate rack in the embodiment.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Examples
In this embodiment, a section bar special use is rotatory upset hoist includes: go up stores pylon 1, rotary device 2, middle stores pylon 3, lower stores pylon 4, a plurality of upset electromagnet system 5.
In this embodiment, the center of the upper hanger 1 is provided with a cable guide frame 11, and when the suspension length of the power supply cable of the hanger is changed, the power supply cable is retracted or placed in the cable guide frame 11 in a fixed direction. The power supply cable is connected to the junction box of the upper hanging beam 1, and the cable is led out from the junction box to provide electric energy for the rotating device 2 and the overturning electromagnet system 5. The upper hanging rack 1 is also provided with 4 groups of pulleys 12, and the 4 groups of pulleys 12 are distributed in a square or rectangular shape by taking the central position of the upper hanging rack 1 as the center. The opening size of the pulley 12 is matched with the arrangement of the travelling crane. The connection between the whole lifting appliance and the travelling crane is realized through the connection between the steel wire rope wound on the pulley 12 and the travelling crane, and the whole lifting appliance can be driven to ascend and descend.
The rotating device 2 in the present embodiment includes: two rotary drives 21, two slewing drive pinions are hidden by the upper pylon and an external toothed slewing bearing 23. The rotary drive 21 can adopt a motor-driven vertical reduction gearbox, and is symmetrically fixed on two sides of the upper hanging rack 1, and two rotary drive pinions are respectively fixed on output shafts of the two rotary drives 21. An inner ring 23a of the external tooth type slewing bearing 23 is fixedly connected with the upper hanging rack 1 through a high-strength bolt, and an external gear ring 23b of the external tooth type slewing bearing 23 is fixedly connected with the intermediate hanging rack 3 through a high-strength bolt. The inner ring 23a and the outer ring gear 23b of the outer tooth type slewing bearing 23 are sleeved together by balls. The rotary drive 21 drives the rotary drive to further drive the external gear ring 23b of the external gear type rotary support 23 to rotate, so as to drive the intermediate hanging rack 3 to do rotary motion; the rotation between the upper hanger 1 and the intermediate hanger 3 is realized.
The upper end of the lower hanging rack 4 is fixedly connected with the middle hanging rack 3 by adopting a pin. In this embodiment, the lower hanger 4 is a truss girder structure, and is formed by riveting or welding profile steel and steel plates.
A plurality of turning electromagnet systems 5 are arranged below the lower hanging rack 4. Each flip-flop electromagnet system 5 includes: two magnet turnover driving wheels 51, two chains 52, two magnet turnover driven wheels 54 and an electromagnet 56.
Two magnet turnover driving wheels 51, two chains 52, two magnet turnover driven wheels 54 and two chain anti-dropping devices 55 are symmetrically arranged on two sides of the electromagnet 56.
The two chains 52 are respectively sleeved on the magnet turnover driving wheel 51 and the two magnet turnover driven wheels 54 on the corresponding sides and are respectively meshed with the two. The two ends of the electromagnet 56 are fixedly connected with the two magnet turnover driven wheels 54 respectively, and can turn over along with the rotation of the magnet turnover driven wheels 54. The cross-section of the electromagnet 56 may be any polygonal shape.
In the present exemplary embodiment, the tumble magnet system 5 has a uniform drive 57 and a drive shaft 58. The driving device 57 is fixed on the lower hanging rack 4, the transmission shaft 58 is rotatably connected with the lower hanging rack 4, and the driving device 57 drives the transmission shaft 58 to rotate. All the magnet tumble drivers 51 are fixed to the transmission shaft 58 and rotate with it. Since the drive shaft 58 is relatively long, a support bearing can be provided for the drive shaft 58 at the location where the magnet tumble drive wheel 51 is located. Of course, the turning electromagnet system 5 may also be provided with a power drive to respectively drive the magnet turning driving wheel 51 to rotate.
In this embodiment, the turning electromagnet system 5 further includes two chain anti-dropping devices 55. The chain escape prevention device 55 includes: a cage 551, two sprocket assemblies 552, a transition gear assembly 553, and two chain stops 554. The entire chain escape prevention device 55 is symmetrical about the axis of the magnet-flipped follower 54.
The lower end of the retainer 551 is annular and fitted over the shaft of the magnet-inverting follower 54, and the two are rotatable relative to each other.
The sprocket assembly 552 basically includes: a sprocket shaft 552a, a sprocket 552b, and a synchronizing gear 552 c.
Both ends of the sprocket shaft 552a penetrate both sides of the holder 551 and are rotatably connected to the holder 551. The sprocket 552b is fixed to one end of the sprocket shaft 552a by a key 552d and a snap spring 552 e. The synchronizing gear 552c is fixed to the other end of the sprocket shaft 552a by a key 552f and a snap spring 552 g. In this embodiment, the distance between the two sprockets 552b and the position where the chain 52 is engaged is equal to the distance between the two sides of the magnet-flipping driven wheel 54 and the position where the chain 52 is engaged, so that the chain 52 vertically enters and exits the magnet-flipping driven wheel 54, thereby ensuring smooth and unobstructed chain transmission.
In this embodiment, the sprocket 552b and the synchronizing gear 552c are respectively located on both sides of the holder 551. Of course, the same function can be achieved with the sprocket 552b and the synchronizing gear 552c on the same side of the holder 551.
In this embodiment, the two chain stoppers 554 include: the limiting plate 554a and the fixing plate 554b are perpendicular to each other and are L-shaped. The stopper plates 554a are fixed to both ends of the holder 551. The two stopper plates 554a are respectively adjacent to the circumferences of the two sprockets 552 b. The two sprocket shafts 552a are also threaded at one end to engage nuts 552h, respectively, after passing through the fixing plate 554 b. A spacer 552i is further provided between the sprocket 552b and the fixing plate 554b to ensure smooth relative rotation of the sprocket shaft 552a and the fixing plate 554 b. Of course, the fixing plate 554b may be connected together as a single body.
The transition gear assembly 553 basically includes: a transition gear shaft 553a and a transition gear 553 b. After the transition gear shaft 553a passes through the holder 551, the rotatable connection with the holder 551 is realized by the clamp spring 553 c. The transition gear 553b is fixed to the transition gear shaft 553a by a key 553d and a circlip 553 e. The transition gear 553b is located in the middle of the two synchronizing gears 552c, and is engaged with the two synchronizing gears 552c, respectively. In the present embodiment, the number of teeth and the module of the transition gear 553b and the synchronizing gear 552c are the same.
The one-side chain 52 passes between the one sprocket 552b and the stopper plate 554a on the one side, and the sprocket 552b is engaged with the magnet-flipping driven wheel 54 on the one side, passes between the other sprocket 552b on the one side and the stopper plate 554a, and the sprocket 552b is engaged with the magnet-flipping driving wheel 51 on the one side. The two sprockets 552b are outside the holder 551, and inside the holder 551 are a transition gear 553b and a synchronizing gear 552c engaged with the transition gear 553b and the synchronizing gear 552c, wherein the sprocket 552b and the synchronizing gear 552c on the same sprocket assembly 552 rotate synchronously, so that when the sprocket 552b on one side is driven by the chain to rotate, the sprocket shaft 552a and the synchronizing gear 552c are driven to rotate synchronously, the synchronizing gear 552c is engaged with the transition gear 553b, the transition gear 553b is engaged with the synchronizing gear 552c on the other side, and the synchronizing gear 552c is used for rigidly driving the sprocket shaft 552a and the sprocket 552b to rotate, as described above, when the sprocket 552b on one side winds how many racks, the same number of racks are wound from the sprocket 552b on the other side. Between the side sprockets 552b on the driven pulley 54 side, a closed chain of constant length is formed, ensuring that the portion of the chain does not come loose.
In general, the center of the driving pulley is relatively fixed, and the position of the driven pulley is changed as needed in some cases, so it is common that the chain run-off preventing device 55 is disposed at the position of the driven pulley. In this particular structure, the chain anti-slip device 55 can be disposed at the position of the driving wheel.
The working process of the special rotary turning hanger for the section bar comprises the following steps:
the special rotary turning lifting appliance for the section bars is in an initial state with a certain height, and the pre-lifted section bars are randomly placed.
When connecting driving and 12 wire ropes of pulley and transferring the special rotatory upset hoist of section bar, rotary device 2 will descend stores pylon 4 to the appointed angle of estimating, and upset electromagnet system 5 overturns all electro-magnets 56 to estimating the angle. When the electromagnet 56 is close to the hung section steel, the rotation angle and the turning angle of the special rotary turning hanger for the section steel are accurately adjusted to be feasible angles, the special rotary turning hanger for the section steel continuously descends until the adsorption surface of the electromagnet 56 is attached to the adsorbed surface of the section steel, the electromagnet 56 is electrified, and the hung section steel is adsorbed.
The special rotary turning lifting appliance for the section bars is turned back and moves to an unloading position along with the traveling crane.
Next, the electromagnet 56 and the adsorbed profile rotate the lifting appliance and turn the electromagnet 56 again according to the actual placing requirement of the profile placing rack, when the profile is adjusted to a proper angle, the profile continuously descends until the hanging chain 52 of the electromagnet 56 is basically not stressed any more, the electromagnet 56 is powered off, and the profile is lifted to a designated position.
And finally, the special rotary turning lifting appliance for the section bars is turned back to be right and moves to the starting position of the next cycle along with the travelling crane.
When any section bar or part is lifted or placed, the adsorption surface of the electromagnet is not parallel to the pre-adsorption surface of the section bar or the welding part, or the adsorption surface of the electromagnet is not parallel to the placing plane after the electromagnet adsorbs the section bar or the welding part, and the section bar or the part is stably adsorbed or desorbed by turning the electromagnet.
The embodiments described above are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a special rotatory hoist that overturns of section bar which characterized in that: comprises an upper hanging rack (1), a middle hanging rack (3), a lower hanging rack (4) and a plurality of turning electromagnet systems (5);
wherein, the upper hanging rack (1) is rotatably connected with the middle hanging rack (3);
the upper end of the lower hanging rack (4) is fixed on the middle hanging rack (3);
the overturning electromagnet system (5) is arranged on the lower hanging rack (4);
each overturning electromagnet system (5) comprises two magnet overturning driving wheels (51), two chains (52), two magnet overturning driven wheels (54) and an electromagnet (56);
the two magnet turnover driving wheels (51), the two chains (52) and the two magnet turnover driven wheels (54) are symmetrically arranged on two sides of the electromagnet (56);
the two magnet overturning driving wheels (51) can rotate on the lower hanging rack (4); the two chains (52) are respectively sleeved on the magnet overturning driving wheel (51) and the two magnet overturning driven wheels (54) at the corresponding sides and are respectively meshed with the two magnet overturning driving wheels and the two magnet overturning driven wheels; two ends of the electromagnet (56) are respectively and fixedly connected with the two magnet overturning driven wheels (54) and can overturn along with the rotation of the magnet overturning driven wheels (54).
2. The special rotary turning hanger for the profiles according to claim 1, characterized in that:
wherein, the overturning electromagnet system (5) is provided with a driving device (57) and a transmission shaft (58);
the driving device (57) is fixed on the lower hanging rack (4), the transmission shaft (58) is rotatably connected with the lower hanging rack (4), and the driving device (57) drives the transmission shaft (58) to rotate. All the magnet turning driving wheels (51) are fixed on the transmission shaft (58) and rotate along with the transmission shaft.
3. The special rotary turning hanger for the profiles according to claim 1, characterized in that:
also comprises a rotating device (2); the upper hanging rack (1) and the middle hanging rack (3) are rotatably connected through a rotating device (2).
4. The special rotary turning hanger for the profiles according to claim 3, characterized in that:
wherein the rotating device (2) comprises at least one rotary drive (21), at least one rotary drive pinion and an external tooth type rotary support (23);
the rotary drive (21) is fixed on the upper hanging rack (1), and the rotary drive pinion is fixed on the output shaft of the corresponding rotary drive (21);
an inner ring (23a) of the external tooth type slewing bearing (23) is fixedly connected with the upper hanging rack (1), and an external gear ring (23b) of the external tooth type slewing bearing (23) is fixedly connected with the middle hanging rack (3);
the rotary driving pinion is meshed with an outer gear ring (23b) of the outer tooth type rotary support (23).
5. The special rotary turning hanger for the profiles according to claim 1, characterized in that:
wherein, the central position of the upper hanging rack (1) is provided with a guide cable frame (11), and when the hanging length of the power supply cable of the hanger is changed, the power supply cable is collected or placed in the guide cable frame (11) according to a fixed direction.
6. The special rotary turning hanger for the profiles according to claim 1, characterized in that:
wherein, the upper hanging rack (1) is also provided with a plurality of groups of pulleys (12);
the opening size of the pulley (12) is matched with the arrangement of the travelling crane, and the pulley is connected with the travelling crane through a steel wire rope wound on the pulley (12).
7. The special rotary turning hanger for the profiles according to claim 2, characterized in that:
the lower hanging rack (4) is of a truss girder structure and is formed by riveting or welding profile steel and steel plates.
8. The special rotary turning hanger for the profiles according to claim 1, characterized in that:
wherein, the overturning electromagnet system (5) also comprises two chain anti-dropping devices (55);
the chain anti-drop device (55) comprises a retainer (551), two chain wheel assemblies (552) and a transition gear assembly (553);
the retainer (551) is rotatably connected with the shaft of the magnet overturning driven wheel (54);
the two sprocket assemblies (552) include: a sprocket shaft (552a) and a sprocket (552 b);
the sprocket shaft (552a) is rotatably connected with the retainer (551);
the chain wheel (552b) is fixed on two chain wheel shafts (552a), and the two chain wheels (552b) are positioned on one side of the retainer (551);
the chain (52) on one side passes through the space between one chain wheel (552b) on the side and the limit plate (554a), the chain wheel (552b) is meshed with the magnet overturning driven wheel (54) on the side, the chain wheel (552b) passes through the space between the other chain wheel (552b) on the side and the limit plate (554a), the chain wheel (552b) is meshed with the magnet overturning driving wheel (51) on the side, and a closed chain is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010962463.1A CN111943020A (en) | 2020-09-14 | 2020-09-14 | Special rotatory upset hoist of section bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010962463.1A CN111943020A (en) | 2020-09-14 | 2020-09-14 | Special rotatory upset hoist of section bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111943020A true CN111943020A (en) | 2020-11-17 |
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ID=73357376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010962463.1A Pending CN111943020A (en) | 2020-09-14 | 2020-09-14 | Special rotatory upset hoist of section bar |
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| Country | Link |
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| CN (1) | CN111943020A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114229665A (en) * | 2021-12-22 | 2022-03-25 | 葫芦岛天力工业有限公司 | Special electromagnetic lifting appliance for wire shipment |
| CN115045543A (en) * | 2022-05-11 | 2022-09-13 | 甘肃工大舞台技术工程有限公司 | Suspension and large-span supporting and overturning mechanism for stage |
| CN116588829A (en) * | 2023-06-02 | 2023-08-15 | 青岛晨明海洋装备技术有限公司 | Sonar hanging device |
-
2020
- 2020-09-14 CN CN202010962463.1A patent/CN111943020A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114229665A (en) * | 2021-12-22 | 2022-03-25 | 葫芦岛天力工业有限公司 | Special electromagnetic lifting appliance for wire shipment |
| CN115045543A (en) * | 2022-05-11 | 2022-09-13 | 甘肃工大舞台技术工程有限公司 | Suspension and large-span supporting and overturning mechanism for stage |
| CN115045543B (en) * | 2022-05-11 | 2023-08-04 | 甘肃工大舞台技术工程有限公司 | Suspension and large-span support turnover mechanism for stage |
| CN116588829A (en) * | 2023-06-02 | 2023-08-15 | 青岛晨明海洋装备技术有限公司 | Sonar hanging device |
| CN116588829B (en) * | 2023-06-02 | 2023-10-20 | 青岛晨明海洋装备技术有限公司 | Sonar hanging device |
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