CN113928992A - Super lifting device for hoisting equipment - Google Patents
Super lifting device for hoisting equipment Download PDFInfo
- Publication number
- CN113928992A CN113928992A CN202111324324.7A CN202111324324A CN113928992A CN 113928992 A CN113928992 A CN 113928992A CN 202111324324 A CN202111324324 A CN 202111324324A CN 113928992 A CN113928992 A CN 113928992A
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- Prior art keywords
- lifting
- base
- fixedly connected
- arm
- angle adjusting
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- 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.)
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
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
- B66C23/62—Constructional features or details
-
- 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
- B66C23/72—Counterweights or supports for balancing lifting couples
-
- 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
- B66C23/88—Safety gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
- B66D5/30—Operating devices electrical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a super-lifting device for lifting equipment, which comprises a lifting telescopic arm and a super-lifting support mechanism, wherein the super-lifting support mechanism is fixedly installed on a base arm of the lifting telescopic arm, an angle adjusting frame of the super-lifting support mechanism is hinged on the base arm, an angle adjusting hydraulic cylinder is hinged on the base arm, the other end of the angle adjusting hydraulic cylinder is hinged on the angle adjusting frame, two groups of support arms are hinged at the top of the angle adjusting frame, a group of side-tensioning hydraulic cylinders are hinged on an installation frame of the angle adjusting frame corresponding to each group of support arms, the other end of each side-tensioning hydraulic cylinder is hinged with the corresponding support arm, two groups of first tensioning steel wires are fixedly connected at the top end of the lifting telescopic arm, each group of the first tensioning steel wires is fixedly connected with one group of support arms, a second tensioning steel wire is fixedly connected on each group of support arms, and the other end of the second tensioning steel wire is fixedly connected with a rotating base. The invention relates to the technical field of hoisting equipment, and has the characteristic of strong hoisting stability.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a super-lifting device for hoisting equipment.
Background
The large-tonnage crane requires a large cross section of the crane boom due to large lifting capacity and long length of the crane boom, so that the weight of the crane boom is increased, and the increase of the dead weight affects the design of other parts and the stability of the whole crane. Meanwhile, when the length of the boom is long and the cross section of the boom is limited by the height and the width, the slenderness ratio of the boom is increased, the rigidity is poor during hoisting, the side bending is large, and the stability of the structure of the boom is poor, so that the super-lift lifting device is formed.
The device that rises that surpasses among the prior art, its steel wire between its support arm and the flexible arm of jack-up and the steel wire between support arm and the base it all is fixed mounting or install the hoist engine on support arm and carry out the rolling to the steel wire and adjust, but this kind of mode makes the weight that can increase support arm, makes the flexible arm whole weight increase of jack-up of hoist then, improves the support strength of bottom angle modulation pneumatic cylinder.
And the superlift device among the prior art, it is when lifting by crane heavy object, mostly all through the hoist engine rolling lifting rope for with the heavy object hoist, need brake through the arrestment mechanism of hoist engine this moment, make the unable whereabouts of heavy object, but only rely on arrestment mechanism can make the loading capacity strengthen, make the hoist engine break down easily, cause and lift by crane poor stability.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the super-lifting device with strong lifting stability.
The technical scheme adopted by the invention for realizing the purpose is as follows: a super-lifting device for lifting equipment comprises a rotating base, a lifting telescopic arm and a super-lifting support mechanism, wherein the super-lifting support mechanism is fixedly installed on a base arm of the lifting telescopic arm, the super-lifting support mechanism comprises an angle adjusting frame, an angle adjusting hydraulic cylinder, a side-opening hydraulic cylinder and support arms, the angle adjusting frame is hinged on the base arm, the angle adjusting hydraulic cylinder is hinged on the base arm corresponding to the angle adjusting frame, the other end of the angle adjusting hydraulic cylinder is hinged on the angle adjusting frame, so that the angle between the angle adjusting frame and the base arm can be adjusted through the angle adjusting hydraulic cylinder, two groups of support arms are hinged at the top of the angle adjusting frame, and the hinged points of the two groups of support arms can rotate as rotating points, so that the two groups of support arms can be close to or far away from each other, the angle adjusting frame is fixedly connected between the two groups of support arms, a group of lateral hydraulic cylinders is hinged to each group of support arms on the mounting frame, and the other ends of the lateral hydraulic cylinders are hinged to the corresponding support arms, so that the opening angles of the two groups of support arms can be adjusted through the two groups of lateral hydraulic cylinders;
the top end of the lifting telescopic arm is fixedly connected with two groups of first tensioning steel wires, each group of the first tensioning steel wires is fixedly connected with one group of the support arm, each group of the support arm is fixedly connected with a second tensioning steel wire, and the other end of the second tensioning steel wire is fixedly connected with the rotating base.
In some of the embodiments, the rotating base is hinged to the telescopic lifting arm, the rotating base is hinged to a hydraulic lifting cylinder, and the top end of the hydraulic lifting cylinder is hinged to the base arm of the telescopic lifting arm, so that the angle of the telescopic lifting arm can be adjusted through the extension and retraction of the hydraulic lifting cylinder.
In some implementations, a pulley block is fixedly connected to the top end of the lifting telescopic arm, a winch mechanism is fixedly mounted on the rotating base, a lifting steel wire rope is fixedly connected to the winch mechanism, the lifting steel wire rope passes through the pulley block, and a hook is fixedly connected to the end of the lifting steel wire rope.
In some of the implementations, the winch mechanism comprises a base, a brake motor, a reduction gearbox and a winding drum, the reduction gearbox is fixedly connected to the base and is in power connection with the brake motor, a power output end of the reduction gearbox is fixedly connected with a rotating shaft, the other end of the rotating shaft is rotatably connected to a rotating table of the base, the winding drum is fixedly connected to the rotating shaft, a group of brake discs are sleeved on the rotating shaft and located on two sides of the winding drum, and when the rotating shaft rotates, the brake discs do not rotate;
base one side fixedly connected with base station, correspond every group on the base station the equal sliding connection of brake disc has two sets of motion platforms, the motion platform with correspond the brake disc all passes through driving medium fixed connection, every group the equal threaded connection in middle part position of motion platform has a set of lead screw, and two sets of the screw thread opposite direction of lead screw is two sets of through connecting piece fixed connection, wherein a set of between the end that the lead screw is close to each other the other end of lead screw is rotated and is connected on the base station, another group the other end and the fixed connection of lead screw are in driving motor power connection on the base station.
In some of the implementations, the support arm is a hydraulic telescopic arm with telescopic function.
In some of these implementations, the rotating base is fixedly mounted on a transport vehicle.
In some of the implementations, a counterweight is fixedly connected to the bottom of the end of the rotating base far away from the telescopic lifting arm.
In some of the implementations, a rubber pad is fixedly connected to the surface of the brake disc corresponding to the winding drum.
The invention has the beneficial effects that:
1. the invention provides a super-lift device, wherein a super-lift bracket mechanism is arranged on a base arm of a super-lift telescopic arm, an angle between an angle adjusting bracket and the base arm can be adjusted through an angle adjusting hydraulic cylinder in the super-lift bracket mechanism, then the angle between the bracket arm and the base arm is adjusted, the opening angles of two groups of bracket arms can be adjusted through a side-tensioning hydraulic cylinder, and thus, the tension degrees of a first tensioning steel wire and a second tensioning steel wire can be adjusted through two times of adjustment, so that the crane telescopic arm is effectively dragged, the crane telescopic arm is prevented from deforming, the lifting stability is ensured, the weight of a supporting arm can be reduced through the adjusting mode, and the supporting strength of the hydraulic cylinder for supporting the crane telescopic arm is further reduced;
2. the super-lifting device is provided with the winch mechanism, so that after the hoisting steel wire rope is wound by driving the winding drum through the brake motor, the two groups of motion tables can be driven by the driving motor to perform linear motion, and the screw thread direction of the screw rod in threaded connection on each group of motion tables is opposite, so that the two groups of motion tables can drive the two groups of brake discs to mutually approach, and the winding drum is clamped, the stability of the winding drum can be further ensured, the load force of the brake motor is reduced, and the stability and the safety of lifting are ensured.
Drawings
FIG. 1 is a schematic view of a super lift bracket mechanism mounting structure according to the present invention;
FIG. 2 is a schematic structural view of a super lift bracket mechanism according to the present invention;
FIG. 3 is a schematic view of a crane boom installation structure according to the present invention;
fig. 4 is a schematic structural view of a winding machine mechanism according to the present invention.
In the figure: the crane comprises a rotating base 1, a lifting telescopic arm 2, a base arm 201, a super lifting support mechanism 3, an angle adjusting frame 301, an angle adjusting hydraulic cylinder 302, a lateral-tensioning hydraulic cylinder 303, a support arm 304, a mounting frame 305, a first tensioning steel wire 306, a second tensioning steel wire 307, a lifting hydraulic cylinder 4, a winch mechanism 5, a base 501, a braking motor 502, a reduction gearbox 503, a winding drum 504, a rotating shaft 505, a brake disc 506, a base 507, a motion table 508, a transmission part 509, a lead screw 510, a driving motor 511, a steel wire rope 6, a lifting hook 7, a transport vehicle 8 and a counterweight 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Example one
Referring to fig. 1 and 2, a super lifting device for a lifting apparatus comprises a rotating base 1, a lifting telescopic arm 2 and a super lifting support mechanism 3, wherein the super lifting support mechanism 3 is fixedly installed on a base arm 201 of the lifting telescopic arm 2, the super lifting support mechanism 3 comprises an angle adjusting frame 301, an angle adjusting hydraulic cylinder 302, a side-opening hydraulic cylinder 303 and a support arm 304, the angle adjusting frame 301 is hinged on the base arm 201, the base arm 201 is hinged with the angle adjusting hydraulic cylinder 302 corresponding to the angle adjusting frame 301, the other end of the angle adjusting hydraulic cylinder 302 is hinged on the angle adjusting frame 301, so that the angle between the angle adjusting frame 301 and the base arm 201 can be adjusted through the angle adjusting hydraulic cylinder 302, the top of the angle adjusting frame 301 is hinged with two sets of support arms 304, and the two sets of support arms 304 can be hinged as a turning point to rotate, so that the two sets of support arms 304 can be close to or far away from each other, the angle adjusting frame is fixedly connected with an installation frame 305 between the two groups of support arms 304, a group of lateral hydraulic cylinders 303 is hinged to the installation frame 305 corresponding to each group of support arms 304, and the other ends of the lateral hydraulic cylinders 303 are hinged to the corresponding support arms 304, so that the opening angles of the two groups of support arms 304 can be adjusted through the two groups of lateral hydraulic cylinders 303;
the top end of the lifting telescopic arm 2 is fixedly connected with two groups of first tensioning steel wires 306, each group of first tensioning steel wires 306 is fixedly connected with one group of support arms 304, each group of support arms 304 is fixedly connected with a second tensioning steel wire 307, the other end of the second tensioning steel wire 307 is fixedly connected with the rotating base 1, thus the angle between the angle adjusting frame 301 and the basic arm 201 can be adjusted through the angle adjusting hydraulic cylinder 302 in the super lifting support mechanism 3, then the angle between the support arms 304 and the basic arm 201 is adjusted, the opening angle of the two groups of support arms 304 can be adjusted through the side-opening hydraulic cylinder 303, thus the tension degrees of the first tensioning steel wires 306 and the second tensioning steel wires 307 can be adjusted through two times of adjustment, the lifting telescopic arm 2 is effectively dragged, the lifting telescopic arm 2 is prevented from deforming, the lifting stability is ensured, and the weight of the support arm can be reduced through the adjusting mode, and then the supporting strength of the hydraulic cylinder which plays a supporting role for the lifting telescopic arm 2 is reduced.
In this embodiment, the support arm 304 is a hydraulic telescopic arm having a telescopic function, so that the tension of the first tension wire 306 and the second tension wire 307 can be adjusted by lengthening the length of the support arm 304.
Example two
Referring to fig. 3, in addition to the first embodiment, a lifting telescopic boom 2 is hinged to a rotating base 1 having a rotating function, a lifting hydraulic cylinder 4 is hinged to the rotating base 1, the top end of the lifting hydraulic cylinder 4 is hinged to a base arm 201 of the lifting telescopic boom 2, so that the angle of the lifting telescopic boom 2 can be adjusted by extending and retracting the lifting hydraulic cylinder 4, a pulley block is fixedly connected at the top end of the lifting telescopic arm 2, a winch mechanism 5 is fixedly installed on the rotating base 1, a lifting steel wire rope 6 is fixedly connected on the winch mechanism 5, the lifting steel wire rope 6 passes through the pulley block, and the end of the hoisting steel wire rope 6 is fixedly connected with a lifting hook 7, so that the hoisting steel wire rope 6 can be wound through the winch mechanism 5, and the heavy object lifted by the lifting hook 7 is lifted.
In this embodiment, the rotating base 1 is fixedly mounted on the transport vehicle 8, so that it is convenient to transport it.
In this embodiment, the end bottom fixedly connected with balancing weight 9 of keeping away from jack-up telescopic boom 2 on the rotating base 1 for the increase rotates the weight of base 1, when guaranteeing to lift by crane, rotates the stability of base 1.
EXAMPLE III
Referring to fig. 4, a super lifting device for a lifting apparatus, the embodiment provides a winch mechanism 5, the winch mechanism 5 includes a base 501, a brake motor 502, a reduction gearbox 503 and a winding drum 504, the base 501 is fixedly connected with the reduction gearbox 503, the reduction gearbox 503 is in power connection with the brake motor 502, a power output end of the reduction gearbox 503 is fixedly connected with a rotating shaft 505, the other end of the rotating shaft 505 is rotatably connected to a turntable of the base 501, the winding drum 504 is fixedly connected to the rotating shaft 505, so that the winding drum 504 can be driven to rotate by the brake motor 502, and then a lifting steel wire rope 6 fixed on the winding drum 504 is wound up, a set of brake discs 506 are respectively sleeved on two sides of the winding drum 504 on the rotating shaft 505, and when the rotating shaft 505 rotates, the brake discs 506 do not rotate;
a base 507 is fixedly connected to one side of the base 501, two sets of motion tables 508 are slidably connected to each set of brake discs 506 on the base 507, the motion tables 508 are fixedly connected to the corresponding brake discs 506 through transmission members 509, a set of screw rods 510 are threadedly connected to the middle of each set of motion tables 508, the screw directions of the two sets of screw rods 510 are opposite, the ends of the two sets of screw rods 510 close to each other are fixedly connected through connecting members, the other end of one set of screw rods 510 is rotatably connected to the base 507, the other end of the other set of screw rods 510 is in power connection with a driving motor 511 fixedly connected to the base 507, so that the two sets of screw rods 510 can be driven to rotate by the driving motor 511, because the screw directions of the two sets of screw rods 510 are opposite, the two sets of motion tables 508 can be close to or far away from each other, and when the two sets of motion tables 508 are close to each other, the two sets of brake discs 506 can be driven to clamp the winding drum 504, therefore, the stability of the winding drum 504 can be improved, the load force of the brake motor 502 can be reduced, the service life of the winch mechanism 5 can be ensured, and the stability and the safety of hoisting can be ensured.
In this embodiment, a rubber pad is fixedly connected to the surface of the brake disc 506 corresponding to the winding drum 504, so that the friction between the brake disc 506 and the winding drum 504 is increased to improve the braking effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a superlift device for hoisting equipment, includes rotating base (1), jack-up telescopic boom (2) and superlift gimbal mechanism (3), its characterized in that: the super-lifting support mechanism (3) is fixedly mounted on a base arm (201) of the lifting telescopic arm (2), the super-lifting support mechanism (3) comprises an angle adjusting frame (301), an angle adjusting hydraulic cylinder (302), a lateral hydraulic cylinder (303) and a support arm (304), the angle adjusting frame (301) is hinged on the base arm (201), the base arm (201) is hinged with the angle adjusting hydraulic cylinder (302) corresponding to the angle adjusting frame (301), the other end of the angle adjusting hydraulic cylinder (302) is hinged on the angle adjusting frame (301), so that the angle between the angle adjusting frame (301) and the base arm (201) can be adjusted through the angle adjusting hydraulic cylinder (302), the top of the angle adjusting frame (301) is hinged with two groups of support arms (304), and the two groups of support arms (304) can rotate by taking hinged points as rotating points, therefore, the two groups of support arms (304) can be close to or far away from each other, an installation rack (305) is fixedly connected between the two groups of support arms (304) on the angle adjusting rack (301), a group of lateral hydraulic cylinders (303) are hinged to the installation rack (305) corresponding to each group of support arms (304), and the other ends of the lateral hydraulic cylinders (303) are hinged to the corresponding support arms (304), so that the opening angles of the two groups of support arms (304) can be adjusted through the two groups of lateral hydraulic cylinders (303);
the top end of the lifting telescopic arm (2) is fixedly connected with two groups of first tensioning steel wires (306), each group of the first tensioning steel wires (306) is fixedly connected with one group of the support arm (304), each group of the support arm (304) is fixedly connected with a second tensioning steel wire (307), and the other end of the second tensioning steel wire (307) is fixedly connected with the rotating base (1).
2. The super lift apparatus for lifting equipment as claimed in claim 1, wherein: the crane is characterized in that the lifting telescopic arm (2) is hinged to the rotating base (1), the lifting hydraulic cylinder (4) is hinged to the rotating base (1), the top end of the lifting hydraulic cylinder (4) is hinged to the base arm (201) of the lifting telescopic arm (2), and therefore the angle of the lifting telescopic arm (2) can be adjusted through the stretching of the lifting hydraulic cylinder (4).
3. A superlift apparatus for lifting equipment according to claim 2, wherein: the lifting telescopic boom is characterized in that a pulley block is fixedly connected to the top end of the lifting telescopic boom (2), a winch mechanism (5) is fixedly mounted on the rotating base (1), a lifting steel wire rope (6) is fixedly connected to the winch mechanism (5), the lifting steel wire rope (6) passes through the pulley block, and a lifting hook (7) is fixedly connected to the end of the lifting steel wire rope (6).
4. A superlift apparatus for lifting equipment according to claim 3, wherein: the winch mechanism (5) comprises a base (501), a brake motor (502), a reduction gearbox (503) and a winding drum (504), wherein the reduction gearbox (503) is fixedly connected to the base (501), the reduction gearbox (503) is in power connection with the brake motor (502), a power output end of the reduction gearbox (503) is fixedly connected with a rotating shaft (505), the other end of the rotating shaft (505) is rotatably connected to a rotating table of the base (501), the winding drum (504) is fixedly connected to the rotating shaft (505), a group of brake discs (506) are sleeved on the rotating shaft (505) and positioned on two sides of the winding drum (504), and when the rotating shaft (505) rotates, the brake discs (506) do not rotate;
base (501) one side fixedly connected with base station (507), correspond every group on base station (507) the equal sliding connection of brake disc (506) has two sets of motion platforms (508), motion platform (508) and corresponding brake disc (506) all are through driving medium (509) fixed connection, every group the equal threaded connection in middle part position of motion platform (508) has a set of lead screw (510), and two sets of the screw thread opposite direction of lead screw (510), two sets of pass through connecting piece fixed connection between the end that lead screw (510) are close to each other, one of them is a set of the other end of lead screw (510) is rotated and is connected on base station (507), another group the other end and the fixed connection of lead screw (510) driving motor (511) power connection on base station (507).
5. A superlift apparatus for lifting equipment according to claim 1 or 4, wherein: the support arm (304) adopts a hydraulic telescopic arm with a telescopic function.
6. A superlift apparatus for lifting equipment according to claim 2, wherein: the rotating base (1) is fixedly arranged on the transport vehicle (8).
7. A superlift apparatus for lifting equipment according to claim 2, wherein: the rotating base (1) is far away from the bottom of the end head of the lifting telescopic arm (2) and is fixedly connected with a balancing weight (9).
8. A superlift apparatus for lifting equipment according to claim 4, wherein: the surface of the brake disc (506) corresponding to the winding drum (504) is fixedly connected with a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111324324.7A CN113928992A (en) | 2021-11-10 | 2021-11-10 | Super lifting device for hoisting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111324324.7A CN113928992A (en) | 2021-11-10 | 2021-11-10 | Super lifting device for hoisting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113928992A true CN113928992A (en) | 2022-01-14 |
Family
ID=79286331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111324324.7A Withdrawn CN113928992A (en) | 2021-11-10 | 2021-11-10 | Super lifting device for hoisting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113928992A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114803896A (en) * | 2022-03-14 | 2022-07-29 | 湖南中联重科履带起重机有限公司 | Super-lifting side-pulling device and crawler crane |
| CN116621053A (en) * | 2023-06-08 | 2023-08-22 | 徐工集团工程机械股份有限公司建设机械分公司 | crane |
-
2021
- 2021-11-10 CN CN202111324324.7A patent/CN113928992A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114803896A (en) * | 2022-03-14 | 2022-07-29 | 湖南中联重科履带起重机有限公司 | Super-lifting side-pulling device and crawler crane |
| CN116621053A (en) * | 2023-06-08 | 2023-08-22 | 徐工集团工程机械股份有限公司建设机械分公司 | crane |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220114 |