CN112794201A - Special multifunctional rotary adjusting lifting appliance for segmental beam - Google Patents
Special multifunctional rotary adjusting lifting appliance for segmental beam Download PDFInfo
- Publication number
- CN112794201A CN112794201A CN202110112559.3A CN202110112559A CN112794201A CN 112794201 A CN112794201 A CN 112794201A CN 202110112559 A CN202110112559 A CN 202110112559A CN 112794201 A CN112794201 A CN 112794201A
- Authority
- CN
- China
- Prior art keywords
- vehicle body
- bottom plate
- lifting appliance
- rotary table
- segmental
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/14—Slings with hooks
-
- 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
-
- 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
-
- 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
- B66C23/06—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 mounted for jibbing or luffing movements
-
- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
-
- 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
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
- B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of hoisting of segmental beams, in particular to a special multifunctional rotary adjusting lifting appliance for segmental beams, which comprises an automobile body and a lifting appliance body; the crawler wheel for the vehicle body to travel is mounted at the bottom of the vehicle body, the tail of the vehicle body is rotatably provided with a screw rod, the screw rod is in threaded connection with a threaded sleeve, the threaded sleeve is in sliding connection with the vehicle body, a push-pull rod is hinged to the threaded sleeve, and the other end of the push-pull rod is hinged to the outer side of the rack; the lifting appliance body comprises a bottom plate and a rotary table, the rotary table is rotatably installed below the bottom plate through a first rotary shaft, and a main hook is installed below the rotary table. According to the invention, the top of the rack is provided with the lifting appliance body, the lifting appliance body comprises the bottom plate and the rotary table, the rotary table is rotatably arranged below the bottom plate through the first rotary shaft, the main hook is arranged below the rotary table, and the main hook is driven to rotate by the rotation of the rotary table, so that the rotation of the segment beam can be controlled during lifting.
Description
Technical Field
The invention relates to the technical field of hoisting of segmental beams, in particular to a special multifunctional rotary adjusting lifting appliance for segmental beams.
Background
The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and is also called a crown block, a navigation crane and a crane. The hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the development and the use of the crane on the market are more and more extensive. Because the weight is lifted without the supporting legs and the lifted weight is frequently used for driving, the driving speed is higher than that of a crawler crane (crawler crane); the operation is stable, the lifting capacity is large, the lifting can be carried out within a specific range, but the road is required to be smooth and firm, the tire air pressure meets the requirement, and the lifting distance from the ground is not more than 50 CM; long distance walking with load is prohibited. In order to ensure the operation safety, the lifting operation without landing legs is basically forbidden in China at present. The crane is matched with steel wire ropes of various types including phosphated coated steel wire ropes, galvanized steel wire ropes and polished steel wire ropes.
The segmental beam is required to be placed at a designated position according to engineering requirements after being lifted, other equipment is adopted to drive the segmental beam to rotate after the segmental beam is lifted in the prior art, so that the segmental beam is in a designated storage state, the rotating mode is not only troublesome in actual operation, but also increases the equipment cost.
Therefore, in view of the above current situation, there is an urgent need to develop a multifunctional rotary adjusting lifting tool dedicated to a segmental beam, so as to overcome the shortcomings in the current practical application.
Disclosure of Invention
The invention aims to provide a special multifunctional rotary adjusting lifting appliance for a segmental beam, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a multifunctional rotary adjusting lifting appliance special for a segmental beam comprises a car body and a lifting appliance body; the crawler wheels for the vehicle body to advance are mounted at the bottom of the vehicle body, the frame is rotatably mounted on the vehicle body, and a hanger body for lifting the section beam is arranged at the top of the frame; a screw rod is rotatably mounted at the tail of the vehicle body, a threaded sleeve is connected to the screw rod in a threaded manner, the threaded sleeve is connected with the vehicle body in a sliding manner, a push-pull rod is hinged to the threaded sleeve, and the other end of the push-pull rod is hinged to the outer side of the rack; the lifting appliance body comprises a bottom plate and a rotary table, the rotary table is rotatably installed below the bottom plate through a first rotary shaft, and a main hook is installed below the rotary table.
As a further scheme of the invention: and a driving motor for driving the screw rod to rotate is mounted at the tail of the vehicle body.
As a further scheme of the invention: the locomotive of automobile body still is provided with the control room.
As a further scheme of the invention: the first rotating shaft penetrates through the bottom plate in the upward direction and is fixedly provided with a first gear, the bottom plate is further provided with a second gear, the second gear is meshed with the first gear and is rotatably arranged on the bottom plate through a second rotating shaft, and the bottom plate is further fixedly provided with a rotating motor for driving the second rotating shaft to rotate.
As a further scheme of the invention: annular through hole has been seted up in the outside of carousel, and two annular spouts have been seted up to annular through hole's inside and outside bilateral symmetry, a plurality of dead levers of outside still fixed mounting of bottom plate, the dead lever runs through annular through hole and stretches out, and spacing protection piece is installed to the lower extreme of dead lever, rotates through the ball between spacing protection piece and the two spouts to be connected.
As a further scheme of the invention: the bottom of the rotary table is provided with a plurality of auxiliary hooks positioned on the outer side of the main hook.
As a further scheme of the invention: and the bottom plate is also provided with a protective cover.
As a further scheme of the invention: and the tail part of the vehicle body is also provided with a traction device, the traction device is connected with a steel wire rope in a traction manner, and the other end of the steel wire rope is fixedly connected with the rack.
As a further scheme of the invention: and the tail part of the vehicle body is also rotatably provided with a pulley for limiting with the steel wire rope.
Compared with the prior art, the invention has the beneficial effects that:
1. the top of the rack is provided with the lifting appliance body, the lifting appliance body comprises a bottom plate and a rotary table, the rotary table is rotatably arranged below the bottom plate through a first rotary shaft, a main hook is arranged below the rotary table, and the main hook is driven to rotate by the rotation of the rotary table, so that the rotation of a segment beam can be controlled during lifting;
2. when the screw sleeve is driven to slide left and right through the screw rod, the rack is driven to swing through the push-pull rod, and therefore the lifted segment beam is driven to move and be stored at a proper position.
Drawings
Fig. 1 is a schematic structural diagram of a multifunctional rotary adjusting lifting appliance special for a segmental beam.
Fig. 2 is a schematic structural diagram of a suspension mechanism in the multifunctional rotary adjustment lifting appliance special for the segmental beam.
Fig. 3 is a schematic structural diagram of a turntable in the multifunctional rotary adjustment lifting appliance special for the segmental beam.
Fig. 4 is a schematic structural view of the multifunctional rotary adjusting spreader for segmental beam of embodiment 2.
In the figure: the device comprises a crawler wheel 1, a vehicle body 2, an operation chamber 3, a rack 4, a hanger body 5, a push-pull rod 6, a threaded sleeve 7, a screw rod 8, a driving motor 9, a protective cover 10, a bottom plate 11, a first gear 12, a first rotating shaft 13, a second gear 14, a second rotating shaft 15, a rotating motor 16, a rotating disc 17, a limiting protective block 18, an auxiliary hook 19, a main hook 20, a fixed rod 21, a ball 22, a sliding chute 23, an annular through hole 24, a steel wire rope 25, a pulley 26 and a traction device 27.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1 to 3, in an embodiment of the present invention, a multifunctional rotary adjustment hanger for a segmental beam includes a vehicle body 2 and a hanger body 5; the crawler wheel 1 for the vehicle body 2 to advance is mounted at the bottom of the vehicle body 2, the crawler wheel 1 is suitable for different terrains, the practicability of the lifting appliance is improved, a rack 4 is rotatably mounted on the vehicle body 2, and a lifting appliance body 5 for lifting a segmental beam is arranged at the top of the rack 4; a screw 8 is rotatably mounted at the tail of the vehicle body 2, a threaded sleeve 7 is in threaded connection with the screw 8, the threaded sleeve 7 is in sliding connection with the vehicle body 2, the screw 8 drives the threaded sleeve 7 to slide left and right on the vehicle body 2 when rotating, a push-pull rod 6 is hinged to the threaded sleeve 7, the other end of the push-pull rod 6 is hinged to the outer side of the rack 4, and the rack 4 is driven to swing through the push-pull rod 6 when the threaded sleeve 7 slides left and right, so that the lifted segment beam is driven to move;
specifically, in this embodiment, a driving motor 9 for driving the screw 8 to rotate is installed at the tail of the vehicle body 2, and the head of the vehicle body 2 is further provided with an operation room 3;
the lifting appliance body 5 comprises a bottom plate 11 and a rotary table 17, the rotary table 17 is rotatably arranged below the bottom plate 11 through a first rotary shaft 13, and a main hook 20 is arranged below the rotary table 17; the first rotating shaft 13 penetrates through the bottom plate 11 upwards and is fixedly provided with a first gear 12, the bottom plate 11 is further provided with a second gear 14, the second gear 14 is meshed with the first gear 12, the second gear 14 is rotatably arranged on the bottom plate 11 through a second rotating shaft 15, and the bottom plate 11 is further fixedly provided with a rotating motor 16 for driving the second rotating shaft 15 to rotate;
an annular through hole 24 is formed in the outer side of the turntable 17, two annular sliding grooves 23 are symmetrically formed in the inner side and the outer side of the annular through hole 24, a plurality of fixing rods 21 are fixedly mounted on the outer side of the bottom plate 11, the fixing rods 21 penetrate through the annular through hole 24 and extend out, a limiting protection block 18 is mounted at the lower end of each fixing rod 21, the limiting protection block 18 is rotatably connected with the two sliding grooves 23 through balls 22, the balls 22 are driven to roll when the turntable 17 rotates, when the turntable 17 is stressed, the limiting protection block 18 bears the stress, and the first rotating shaft 13 and the turntable 17 are prevented from being broken due to the fact that the turntable 17 is stressed excessively;
specifically, in the embodiment, a plurality of auxiliary hooks 19 are arranged at the bottom of the turntable 17 and positioned outside the main hook 20, and the main hook 20 and the plurality of auxiliary hooks 19 are matched with each other to carry out multi-point traction on the segment beam, so that the stability of the segment beam during hoisting is ensured;
and the bottom plate 11 is also provided with a protective cover 10 for protecting the gear and the motor on the bottom plate 11.
Example 2
Referring to fig. 1 to 3, in an embodiment of the present invention, a multifunctional rotary adjustment hanger for a segmental beam includes a vehicle body 2 and a hanger body 5; the crawler wheel 1 for the vehicle body 2 to advance is mounted at the bottom of the vehicle body 2, the crawler wheel 1 is suitable for different terrains, the practicability of the lifting appliance is improved, a rack 4 is rotatably mounted on the vehicle body 2, and a lifting appliance body 5 for lifting a segmental beam is arranged at the top of the rack 4; a screw 8 is rotatably mounted at the tail of the vehicle body 2, a threaded sleeve 7 is in threaded connection with the screw 8, the threaded sleeve 7 is in sliding connection with the vehicle body 2, the screw 8 drives the threaded sleeve 7 to slide left and right on the vehicle body 2 when rotating, a push-pull rod 6 is hinged to the threaded sleeve 7, the other end of the push-pull rod 6 is hinged to the outer side of the rack 4, and the rack 4 is driven to swing through the push-pull rod 6 when the threaded sleeve 7 slides left and right, so that the lifted segment beam is driven to move;
specifically, in this embodiment, a driving motor 9 for driving the screw 8 to rotate is installed at the tail of the vehicle body 2, and the head of the vehicle body 2 is further provided with an operation room 3;
the lifting appliance body 5 comprises a bottom plate 11 and a rotary table 17, the rotary table 17 is rotatably arranged below the bottom plate 11 through a first rotary shaft 13, and a main hook 20 is arranged below the rotary table 17; the first rotating shaft 13 penetrates through the bottom plate 11 upwards and is fixedly provided with a first gear 12, the bottom plate 11 is further provided with a second gear 14, the second gear 14 is meshed with the first gear 12, the second gear 14 is rotatably arranged on the bottom plate 11 through a second rotating shaft 15, and the bottom plate 11 is further fixedly provided with a rotating motor 16 for driving the second rotating shaft 15 to rotate;
an annular through hole 24 is formed in the outer side of the turntable 17, two annular sliding grooves 23 are symmetrically formed in the inner side and the outer side of the annular through hole 24, a plurality of fixing rods 21 are fixedly mounted on the outer side of the bottom plate 11, the fixing rods 21 penetrate through the annular through hole 24 and extend out, a limiting protection block 18 is mounted at the lower end of each fixing rod 21, the limiting protection block 18 is rotatably connected with the two sliding grooves 23 through balls 22, the balls 22 are driven to roll when the turntable 17 rotates, when the turntable 17 is stressed, the limiting protection block 18 bears the stress, and the first rotating shaft 13 and the turntable 17 are prevented from being broken due to the fact that the turntable 17 is stressed excessively;
specifically, in the embodiment, a plurality of auxiliary hooks 19 are arranged at the bottom of the turntable 17 and positioned outside the main hook 20, and the main hook 20 and the plurality of auxiliary hooks 19 are matched with each other to carry out multi-point traction on the segment beam, so that the stability of the segment beam during hoisting is ensured;
and the bottom plate 11 is also provided with a protective cover 10 for protecting the gear and the motor on the bottom plate 11.
Referring to fig. 4, the embodiment is different from embodiment 1 in that a traction device 27 is further installed at the tail of the vehicle body 2, the traction device 27 is connected with a steel wire rope 25 in a traction manner, the other end of the steel wire rope 25 is fixedly connected with the frame 4, and in the swinging process of the frame 4, the steel wire rope 25 is drawn and pulled by the traction device 27, so that the stability of the frame 4 in the swinging process is ensured;
and a pulley 26 for limiting with a steel wire rope 25 is rotatably arranged at the tail part of the vehicle body 2.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (9)
1. A special multifunctional rotary adjusting lifting appliance for a segmental beam is characterized by comprising a vehicle body (2) and a lifting appliance body (5); the crawler wheels (1) used for the vehicle body (2) to advance are installed at the bottom of the vehicle body (2), a rack (4) is installed on the vehicle body (2) in a rotating mode, and a lifting appliance body (5) used for lifting the segmental beam is arranged at the top of the rack (4); a screw rod (8) is rotatably mounted at the tail of the vehicle body (2), a threaded sleeve (7) is in threaded connection with the screw rod (8), the threaded sleeve (7) is in sliding connection with the vehicle body (2), a push-pull rod (6) is hinged to the threaded sleeve (7), and the other end of the push-pull rod (6) is hinged to the outer side of the rack (4); the lifting appliance body (5) comprises a bottom plate (11) and a rotary table (17), the rotary table (17) is rotatably installed below the bottom plate (11) through a first rotary shaft (13), and a main hook (20) is installed below the rotary table (17).
2. The multifunctional rotary adjusting lifting appliance special for the segmental beam as claimed in claim 1, wherein a driving motor (9) for driving a screw rod (8) to rotate is mounted at the tail of the vehicle body (2).
3. The multifunctional rotary adjustment spreader for segmental beams according to claim 2, characterised in that the head of the car body (2) is further provided with an operating room (3).
4. The special multifunctional rotary adjusting hanger for segmental beams according to claim 1, wherein the first rotating shaft (13) penetrates upwards through the bottom plate (11) and is fixedly provided with a first gear (12), the bottom plate (11) is further provided with a second gear (14), the second gear (14) is meshed with the first gear (12), the second gear (14) is rotatably installed on the bottom plate (11) through a second rotating shaft (15), and the bottom plate (11) is further fixedly provided with a rotating motor (16) for driving the second rotating shaft (15) to rotate.
5. The special multifunctional rotary adjusting lifting appliance for the segmental beams according to claim 4, wherein an annular through hole (24) is formed in the outer side of the rotary table (17), two annular sliding grooves (23) are symmetrically formed in the inner side and the outer side of the annular through hole (24), a plurality of fixing rods (21) are fixedly mounted on the outer side of the bottom plate (11), the fixing rods (21) penetrate through the annular through hole (24) and extend out of the annular through hole, a limiting protection block (18) is mounted at the lower end of each fixing rod (21), and the limiting protection block (18) is rotatably connected with the two sliding grooves (23) through balls (22).
6. The multifunctional rotary adjustment spreader for segmental beams according to claim 5, wherein a number of auxiliary hooks (19) are arranged at the bottom of the rotary table (17) outside the main hook (20).
7. The multifunctional rotary adjustment spreader for segmental beams according to claim 1, characterised in that a protective cover (10) is also mounted on the base plate (11).
8. The multifunctional rotary adjusting hanger special for the segmental beams according to any one of claims 1 to 7, wherein a traction device (27) is further installed at the tail of the vehicle body (2), the traction device (27) is connected with a steel wire rope (25) in a traction manner, and the other end of the steel wire rope (25) is fixedly connected with the rack (4).
9. The multifunctional rotary adjusting hanger special for section beams according to claim 8, characterized in that the tail part of the car body (2) is also rotatably provided with a pulley (26) for limiting with a steel wire rope (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110112559.3A CN112794201A (en) | 2021-01-27 | 2021-01-27 | Special multifunctional rotary adjusting lifting appliance for segmental beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110112559.3A CN112794201A (en) | 2021-01-27 | 2021-01-27 | Special multifunctional rotary adjusting lifting appliance for segmental beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112794201A true CN112794201A (en) | 2021-05-14 |
Family
ID=75812156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110112559.3A Pending CN112794201A (en) | 2021-01-27 | 2021-01-27 | Special multifunctional rotary adjusting lifting appliance for segmental beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112794201A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201512349U (en) * | 2009-10-15 | 2010-06-23 | 南京钢铁股份有限公司 | Double-beam bridge-type hoister single hook disk electric rotating device |
| CN103224197A (en) * | 2013-04-11 | 2013-07-31 | 河南华北起重吊钩有限公司 | Electromagnetic positioning apparatus of rotation lifting hook |
| US20170015527A1 (en) * | 2015-07-17 | 2017-01-19 | Tadano Ltd. | Crane hook and crane truck |
| CN108238551A (en) * | 2018-03-23 | 2018-07-03 | 唐志赏 | A kind of crane with double drive structure |
| CN110759261A (en) * | 2019-11-28 | 2020-02-07 | 大连理工大学（徐州）工程机械研究中心 | Mounting device for crawler crane |
| CN211813000U (en) * | 2020-09-23 | 2020-10-30 | 东营市元捷石油机械有限公司 | Rotatable rings |
-
2021
- 2021-01-27 CN CN202110112559.3A patent/CN112794201A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201512349U (en) * | 2009-10-15 | 2010-06-23 | 南京钢铁股份有限公司 | Double-beam bridge-type hoister single hook disk electric rotating device |
| CN103224197A (en) * | 2013-04-11 | 2013-07-31 | 河南华北起重吊钩有限公司 | Electromagnetic positioning apparatus of rotation lifting hook |
| US20170015527A1 (en) * | 2015-07-17 | 2017-01-19 | Tadano Ltd. | Crane hook and crane truck |
| CN108238551A (en) * | 2018-03-23 | 2018-07-03 | 唐志赏 | A kind of crane with double drive structure |
| CN110759261A (en) * | 2019-11-28 | 2020-02-07 | 大连理工大学（徐州）工程机械研究中心 | Mounting device for crawler crane |
| CN211813000U (en) * | 2020-09-23 | 2020-10-30 | 东营市元捷石油机械有限公司 | Rotatable rings |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102556897B (en) | Electric order picker | |
| CN209797295U (en) | Multi-degree-of-freedom hoisting device for assembly type building | |
| KR101273317B1 (en) | Multipurpose aerial lift vehicle | |
| CN213011645U (en) | Lifting mechanism of double-beam portal crane | |
| CN111498704A (en) | Vehicle body type gantry crane | |
| CN213569233U (en) | Adjustable support of crane | |
| CN115676644B (en) | Anti-swing outdoor portal crane | |
| CN110265912B (en) | Trolley for installing cable trough box | |
| CN112794201A (en) | Special multifunctional rotary adjusting lifting appliance for segmental beam | |
| CN108657968B (en) | Telescopic crane capable of preventing steel rope from falling off | |
| CN216377264U (en) | Multidirectional-adjusted tyre crane | |
| CN215666743U (en) | Spider crane lifting structure | |
| CN216276994U (en) | Pushing vehicle for unit curtain wall installation | |
| CN211056671U (en) | Crane with span variable function | |
| CN208792840U (en) | Great-leap-forward multi-storied parking equipment | |
| CN116901780B (en) | Lifting mechanism for be used for electric vehicle to trade power station | |
| CN214456285U (en) | Crane with rotary trolley | |
| CN221116761U (en) | Tyre type portal crane | |
| CN221500546U (en) | Bridge maintenance hanging ladder equipment | |
| CN216615830U (en) | Mountain pile driver | |
| CN112520599A (en) | Hydraulic small crane convenient to use at multiple angles | |
| CN221894568U (en) | Limiting anti-collision device for electric hoist | |
| CN206069219U (en) | A kind of electric single-beam crane used for annular track | |
| CN108840249A (en) | A kind of crane convenient for consolidating | |
| CN219839390U (en) | Anti-swing device for lifting appliance of crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210514 |
|
| RJ01 | Rejection of invention patent application after publication |