CN113321125B - Anti-rolling operation method for crane - Google Patents
Anti-rolling operation method for crane Download PDFInfo
- Publication number
- CN113321125B CN113321125B CN202110617557.XA CN202110617557A CN113321125B CN 113321125 B CN113321125 B CN 113321125B CN 202110617557 A CN202110617557 A CN 202110617557A CN 113321125 B CN113321125 B CN 113321125B
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- Prior art keywords
- electric hoist
- pressing plate
- wire rope
- steel wire
- base plate
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005096 rolling process Methods 0.000 title claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 230000001133 acceleration Effects 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims 1
- 230000001788 irregular Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B66C13/063—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention provides a crane anti-rolling operation method, and belongs to the technical field of hoisting equipment. Hanging articles: controlling the auxiliary electric hoist to enable the pressing plate and the base plate to be overlapped, and enabling the object to be hung on the hook after the steel wire rope of the main electric hoist is in a vertical state; lifting an object: gradually unreeling a steel wire rope on the auxiliary electric hoist in the lifting process, so that the pressing plate lifts the object to a specified height in a state of pressing the substrate; translating the object: when the running trolley is in an acceleration or deceleration state, a certain distance is kept between the base plate and the pressing plate, the distance between the pressing plate and the base plate is controlled to be large and small, so that the suspension point of the steel wire rope of the main electric hoist is in a fluctuation state, and when the running trolley is in a uniform-speed movement state, the base plate and the pressing plate are controlled to be in a pressing state; the object descends: the main electric hoist controls the substrate to gradually descend, controls the pressing plate to gradually descend, and enables the pressing plate to be abutted against the substrate before the object falls to the ground. The invention has the advantages of high safety and the like.
Description
Technical Field
The invention belongs to the technical field of hoisting equipment, and relates to a crane anti-rolling operation method.
Background
The crane means a multi-action lifting and transporting machine for vertically lifting and horizontally transporting a weight within a certain range. The crane is characterized by intermittent and cyclic movement, and one working cycle comprises: the load is lifted from the object taking place by the object taking device, then the load is lowered by the load moving horizontally to a designated place, and then the load is reversely moved, so that the object taking device returns to the original position for the next cycle. Because the wire rope of lifting by crane belongs to the flexible part, when carrying out luffing, gyration motion, the load will do single pendulum motion, and this can increase the operation degree of difficulty and the time of duty cycle, and the swing of heavy object still has following risk: the simple pendulum motion of the weight increases the bearing of the steel wire rope at the return point, and the risks of rope breakage and object throwing are caused; the swing of the weight requires a larger avoiding space of a construction area, and the collision risk to constructors is easily caused in the space; the swinging weight has adverse effect on the passenger carrying of the running trolley, and the stress direction of the running trolley is continuously changed to influence the reliability of the track; but also to other load bearing members.
Based on this, the roll control of the crane is particularly critical.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a swing-reducing gantry crane, and the technical problem to be solved by the invention is how to enable the crane to have reliable swing-reducing control capability.
The aim of the invention can be achieved by the following technical scheme: the utility model provides an anti-rocking gantry crane, includes portal, removes the operation dolly on the portal and sets up the main electric block on the operation dolly, its characterized in that, be provided with a hollow flexible pipe on the fuselage of main electric block, the free section of wire rope of coiling on the reel of main electric block wears to establish in flexible pipe, the fixed base plate that is provided with of lower extreme of wire rope of coiling on the reel, the lower surface of base plate is provided with the couple, flexible pipe includes the hollow tube that a plurality of overlaps in proper order established, the hollow tube of flexible pipe outside is fixed on the fuselage, the hollow tube of flexible pipe innermost is fixed to be provided with at least one supplementary electric block, the fuselage of supplementary electric block is fixed on the hollow tube of flexible pipe innermost, fixed being provided with a rope ring on the base plate, the wire rope of coiling on the reel of supplementary electric block wears to establish in the rope ring, the end of wire rope of coiling on the reel of supplementary electric block is fixed on the hollow tube of flexible pipe of the innermost.
Furthermore, a limiting structure for limiting the inner hollow tube to be separated from the outer hollow tube is arranged between the adjacent hollow tubes on the telescopic tube.
The limiting structure comprises a first limiting step on the inner wall of the lower end of the hollow tube and a second limiting step on the outer wall of the upper end of the hollow tube, so that adjacent hollow tubes of the telescopic tube cannot be separated from each other, and the coaxiality of the hollow tubes of the telescopic tube is maintained.
Furthermore, a pressing plate is fixedly arranged on the innermost hollow tube of the telescopic tube, the pressing plate can be abutted against the base plate, and the machine body of the auxiliary electric hoist is fixed on the pressing plate.
Further, a first limiting guide wheel for guiding the steel wire rope of the main electric hoist is rotatably connected in the hollow pipe at the innermost side of the telescopic pipe, a second limiting guide wheel for guiding the steel wire rope of the main electric hoist is rotatably connected in the hollow pipe at the outermost side of the telescopic pipe, and the first positioning guide wheel and the second positioning guide wheel enable the steel wire rope of the main electric hoist to be coaxial with the telescopic pipe.
Further, the rope threading ring is positioned at the inner side of a connecting point between the tail end of the steel wire rope on the auxiliary electric hoist and the pressing plate; when the space is reserved between the pressing plate and the base plate, an inclination angle is formed between the steel wire rope of the auxiliary electric hoist and the axis of the telescopic pipe.
Furthermore, the two auxiliary electric hoists are symmetrically arranged on two sides of the telescopic pipe.
The two auxiliary electric hoists are symmetrically arranged on two sides of the telescopic pipe, when the space is reserved between the pressing plate and the base plate, the steel wire ropes of the auxiliary electric hoists are in a state of inclined pulling of the base plate, and the auxiliary electric hoists have the functions of maintaining stability and maintaining level of the auxiliary base plate when the steel wire ropes of the auxiliary electric hoists are in a tensioning state.
Further, a buffer member is arranged between the pressing plate and the base plate.
A method for stabilizing a gantry crane, comprising the steps of: controlling the auxiliary electric hoist to enable the pressing plate and the base plate to be overlapped, and enabling the object to be hung on the hook after the steel wire rope of the main electric hoist is in a vertical state; lifting an object: the main electric hoist rolls up the steel wire rope thereof to hoist the object, and gradually unrolls the steel wire rope on the auxiliary electric hoist in the hoisting process, so that the pressing plate lifts the object to a specified height in a state of pressing the base plate; translating the object: when the running trolley is in an acceleration or deceleration state, a certain distance is kept between the base plate and the pressing plate, the distance between the pressing plate and the base plate is controlled to be large and small, so that the suspension point of the steel wire rope of the main electric hoist is in a fluctuation state, and when the running trolley is in a uniform-speed movement state, the base plate and the pressing plate are controlled to be in a pressing state; the object descends: the main electric hoist controls the substrate to gradually descend, and at the same time, the control pressing plate gradually descends, and the pressing plate is abutted against the substrate before the object falls to the ground.
Whether the base plate is horizontal or not can be roughly judged whether a steel wire rope of the main electric hoist is in a vertical falling state when the object is hung, the object is hung and lifted under the state that the pressing plate is abutted against the base plate, the object can be ensured to be lifted without shaking, a certain distance can be reserved between the pressing plate and the base plate when the irregular object is lifted or the inclined object possibly appears after the object is lifted off the ground, and the pressing plate is controlled to be abutted against the base plate after the object is stable; when the object is translated, the running trolley needs to maintain a certain swinging of the object in an acceleration and deceleration running state, otherwise, the running trolley is damaged, in order to control the swinging amplitude of the object in the stage, the pressing plate is controlled to longitudinally reciprocate, so that the suspension point of the steel wire rope is continuously changed, the swinging of the object is buffered and stabilized, and the object is gradually stopped swinging after the running trolley moves at a constant speed; in the same way, the swing of the object during the descending process is reduced, and the swing of the object is controlled to tend to disappear before landing.
Through the simplified mode, the shaking amplitude in the lifting process of the object can be greatly reduced, the object can be enabled to be stable when being lifted off the ground and landed as far as possible, the object is prevented from being impacted when being lifted off the ground and landed, the safe avoiding area required by lifting the object is reduced, and the lifting safety and reliability are improved.
Drawings
Fig. 1 is a schematic view of the crane in a contracted state of the telescopic tube.
Fig. 2 is a schematic view of the structure of the crane with the telescopic tube in a stretched state.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Fig. 4 is an enlarged view of a portion B in fig. 2.
In the figure, 1, a portal frame; 2. the trolley is operated; 3. a main electric hoist; 4. a telescopic tube; 41. a hollow tube; 42. a first limit guide wheel; 43. limiting guide wheels II; 5. a substrate; 6. a hook; 7. auxiliary electric hoist; 71. a rope threading ring; 8. and (5) pressing plates.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1,2, 3 and 4, the electric hoist comprises a portal 1, a running trolley 2 moving on the portal 1 and a main electric hoist 3 arranged on the running trolley 2, a hollow telescopic pipe 4 is arranged on a main body of the main electric hoist 3, a free section of a wire rope wound on a winding drum of the main electric hoist 3 is penetrated in the telescopic pipe 4, a substrate 5 is fixedly arranged at the lower end of the wire rope wound on the winding drum, a hook 6 is arranged on the lower surface of the substrate 5, the telescopic pipe 4 comprises a plurality of hollow pipes 41 sleeved in sequence, the hollow pipe 41 at the outermost side of the telescopic pipe 4 is fixed on the main body, at least one auxiliary electric hoist 7 is fixedly arranged at the lower end of the hollow pipe 41 at the innermost side of the telescopic pipe 4, the main body of the auxiliary electric hoist 7 is fixed on the hollow pipe 41 at the innermost side of the telescopic pipe 4, a rope penetrating ring 71 is fixedly arranged on the substrate 5, the wire rope wound on the winding drum of the auxiliary electric hoist 7 is penetrated in the rope penetrating ring 71, and the tail end of the wire rope wound on the winding drum of the auxiliary electric hoist 7 is fixed on the hollow pipe 41 at the innermost side of the telescopic pipe 4.
A limiting structure for limiting the inner hollow tube 41 from being separated from the outer hollow tube 41 is arranged between the adjacent hollow tubes 41 on the telescopic tube 4. The limiting structure comprises a first limiting step of the inner wall of the lower end of the hollow tube 41 and a second limiting step of the outer wall of the upper end of the hollow tube 41, so that adjacent hollow tubes 41 of the telescopic tube 4 cannot be separated from each other, and the hollow tubes 41 of the telescopic tube 4 are kept coaxial.
A pressing plate 8 is fixedly arranged on the innermost hollow tube 41 of the telescopic tube 4, the pressing plate 8 can be abutted against the base plate 5, and the machine body of the auxiliary electric hoist 7 is fixed on the pressing plate 8.
The first limiting guide wheel 42 for guiding the steel wire rope of the main electric hoist 3 is rotationally connected with the innermost hollow tube 41 of the telescopic tube 4, the second limiting guide wheel 43 for guiding the steel wire rope of the main electric hoist 3 is rotationally connected with the outermost hollow tube 41 of the telescopic tube 4, and the first positioning guide wheel and the second positioning guide wheel enable the steel wire rope of the main electric hoist 3 to be coaxial with the telescopic tube 4.
The rope threading ring 71 is positioned at the inner side of the connection point between the tail end of the steel wire rope on the auxiliary electric hoist 7 and the pressing plate 8; when a space is reserved between the pressing plate 8 and the base plate 5, an inclination angle is formed between the steel wire rope of the auxiliary electric hoist 7 and the axis of the telescopic pipe 4.
Two auxiliary electric hoists 7 are symmetrically arranged on two sides of the telescopic pipe 4. The two auxiliary electric hoists 7 are symmetrically arranged on two sides of the telescopic pipe 4, when a space is reserved between the pressing plate 8 and the base plate 5, the steel wire ropes of the auxiliary electric hoists 7 are in a state of inclined pulling of the base plate 5, and the steel wire ropes of the auxiliary electric hoists 7 are in a tensioning state, so that the telescopic pipe has the functions of stabilizing and maintaining the level of the auxiliary base plate 5.
A buffer member such as a rubber pad is provided between the pressing plate 8 and the base plate 5.
The hoisting process is as follows:
Hanging articles: the auxiliary electric hoist 7 is controlled to enable the pressing plate 8 to be overlapped with the base plate 5, so that the object is hung on the hook 6 after the steel wire rope of the main electric hoist 3 is in a vertical state; lifting an object: the main electric hoist 3 winds the steel wire rope to hoist the object, and gradually unwinds the steel wire rope on the auxiliary electric hoist 7 in the hoisting process, so that the pressing plate 8 lifts the object to a specified height in a state of pressing the base plate 5; translating the object: when the running trolley 2 is in an acceleration or deceleration state, a certain distance is kept between the base plate 5 and the pressing plate 8, the distance between the pressing plate 8 and the base plate 5 is controlled to be large and small, so that the suspension point of the steel wire rope of the main electric hoist 3 is in a fluctuation state, and when the running trolley 2 is in a uniform-speed movement state, the base plate 5 and the pressing plate 8 are controlled to be in a pressing state; the object descends: the main electric hoist 3 controls the base plate 5 to gradually descend, and at the same time, the control pressing plate 8 gradually descends, and the pressing plate 8 is abutted against the base plate 5 before the object lands.
Whether the base plate 5 is horizontal or not can roughly judge whether a steel wire rope of the main electric hoist 3 is in a vertical falling state when the object is hung, the object is hung and lifted under the state that the pressing plate 8 is abutted against the base plate 5, the object can be ensured to be lifted without shaking, when the irregular object is lifted or an inclined object possibly appears after being lifted off the ground, a certain interval can be reserved between the pressing plate 8 and the base plate 5, and the pressing plate 8 is controlled to be abutted against the base plate 5 after the object is stable; when the object is translated, the running trolley 2 needs to maintain a certain swinging of the object in an acceleration and deceleration running state, otherwise the running trolley 2 is damaged, in order to control the swinging amplitude of the object in the stage, the pressing plate 8 is controlled to longitudinally reciprocate, so that the suspension point of the steel wire rope is continuously changed, the swinging of the object is buffered and stabilized, and the object is gradually stopped swinging after the running trolley 2 moves at a constant speed; in the same way, the swing of the object during the descending process is reduced, and the swing of the object is controlled to tend to disappear before landing.
Through the simplified mode, the shaking amplitude in the lifting process of the object can be greatly reduced, the object can be enabled to be stable when being lifted off the ground and landed as far as possible, the object is prevented from being impacted when being lifted off the ground and landed, the safe avoiding area required by lifting the object is reduced, and the lifting safety and reliability are improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The crane comprises a portal frame (1), a running trolley (2) moving on the portal frame (1) and a main electric hoist (3) arranged on the running trolley (2), and is characterized in that a hollow telescopic tube (4) is arranged on the body of the main electric hoist (3), a free section of a wire rope wound on a winding drum of the main electric hoist (3) is penetrated in the telescopic tube (4), a base plate (5) is fixedly arranged at the lower end of the wire rope wound on the winding drum, a hook (6) is arranged on the lower surface of the base plate (5), the telescopic tube (4) comprises a plurality of hollow tubes (41) sleeved in sequence, the hollow tube (41) at the outermost side of the telescopic tube (4) is fixed on the body, at least one auxiliary electric hoist (7) is fixedly arranged at the lower end of the hollow tube (41) at the innermost side of the telescopic tube (4), a wire rope (71) is penetrated on the body of the auxiliary electric hoist (7) in a winding manner, the tail end of a steel wire rope wound on a winding drum of the auxiliary electric hoist (7) is fixed on a hollow pipe (41) at the innermost side of the telescopic pipe (4);
A pressing plate (8) is fixedly arranged on the innermost hollow tube (41) of the telescopic tube (4), the pressing plate (8) can be abutted against the base plate (5), and the machine body of the auxiliary electric hoist (7) is fixed on the pressing plate (8);
The anti-rolling operation method comprises the following steps:
Hanging articles: controlling the auxiliary electric hoist (7) to enable the pressing plate (8) to be overlapped with the base plate (5), and enabling the object to be hung on the hook (6) after the steel wire rope of the main electric hoist (3) is in a vertical state; lifting an object: the main electric hoist (3) winds the steel wire rope to hoist the object, and gradually unwinds the steel wire rope on the auxiliary electric hoist (7) in the hoisting process, so that the pressing plate (8) lifts the object to a specified height in a state of pressing the substrate (5); translating the object: when the running trolley (2) is in an acceleration or deceleration state, a certain distance is kept between the base plate (5) and the pressing plate (8), the distance between the pressing plate (8) and the base plate (5) is controlled to be large or small, so that the suspension point of the steel wire rope of the main electric hoist (3) is in a fluctuation state, and when the running trolley (2) is in a uniform-speed movement state, the base plate (5) and the pressing plate (8) are controlled to be in a pressing state; the object descends: the main electric hoist (3) controls the substrate (5) to gradually descend, and at the same time, the control pressing plate (8) gradually descends, and the pressing plate (8) is abutted against the substrate (5) before the object lands.
2. The crane stabilizing operation method according to claim 1, wherein a limiting structure for limiting the separation of the inner hollow tube (41) from the outer hollow tube (41) is arranged between adjacent hollow tubes (41) on the telescopic tube (4).
3. The crane stabilizing operation method according to claim 1 or 2, wherein a first limit guide wheel (42) for guiding the steel wire rope of the main electric hoist (3) is rotationally connected to an innermost hollow tube (41) of the telescopic tube (4), a second limit guide wheel (43) for guiding the steel wire rope of the main electric hoist (3) is rotationally connected to an outermost hollow tube (41) of the telescopic tube (4), and the first limit guide wheel (42) and the second limit guide wheel (43) enable the steel wire rope of the main electric hoist (3) to be coaxial with the telescopic tube (4).
4. The crane anti-rolling operation method according to claim 1 or 2, wherein the rope threading ring (71) is positioned at the inner side of a connection point between the tail end of a steel wire rope on the auxiliary electric hoist (7) and the pressing plate (8); when a space is reserved between the pressing plate (8) and the base plate (5), an inclination angle is formed between the steel wire rope of the auxiliary electric hoist (7) and the axis of the telescopic pipe (4).
5. The method for stabilizing the crane according to claim 4, wherein two auxiliary electric hoists (7) are symmetrically arranged at two sides of the telescopic tube (4).
6. A crane stabilizing method according to claim 1 or 2, characterized in that a buffer is provided between the pressure plate (8) and the base plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110617557.XA CN113321125B (en) | 2021-06-03 | 2021-06-03 | Anti-rolling operation method for crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110617557.XA CN113321125B (en) | 2021-06-03 | 2021-06-03 | Anti-rolling operation method for crane |
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| CN113321125A CN113321125A (en) | 2021-08-31 |
| CN113321125B true CN113321125B (en) | 2024-06-11 |
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| CN202110617557.XA Active CN113321125B (en) | 2021-06-03 | 2021-06-03 | Anti-rolling operation method for crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117645241B (en) * | 2024-01-29 | 2024-04-19 | 川楚联合国际工程有限公司 | Steel construction factory building roof component hoist device |
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|---|---|---|---|---|
| JPH07144887A (en) * | 1993-11-26 | 1995-06-06 | Takenaka Komuten Co Ltd | Hoisting device for crane |
| JPH0886183A (en) * | 1994-09-19 | 1996-04-02 | Tone Corp | Suspension device for hose or the like for underground excavator |
| JP2006001652A (en) * | 2004-06-15 | 2006-01-05 | Uwa:Kk | Auxiliary device for suspension stabilization by crane |
| CN204625010U (en) * | 2015-04-29 | 2015-09-09 | 廖章威 | The anti-swing system of a kind of industrial crane |
| CN204751954U (en) * | 2015-06-19 | 2015-11-11 | 河南宝起华东起重机有限公司 | Hoist clamp hoisting mechanism |
| CN210505300U (en) * | 2019-09-27 | 2020-05-12 | 河南省黄河防爆起重机有限公司 | Gantry crane with electric hoist |
| CN214935431U (en) * | 2021-06-03 | 2021-11-30 | 湖北科技学院 | Gantry crane with anti-rolling function |
-
2021
- 2021-06-03 CN CN202110617557.XA patent/CN113321125B/en active Active
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|---|---|---|---|---|
| JPH07144887A (en) * | 1993-11-26 | 1995-06-06 | Takenaka Komuten Co Ltd | Hoisting device for crane |
| JPH0886183A (en) * | 1994-09-19 | 1996-04-02 | Tone Corp | Suspension device for hose or the like for underground excavator |
| JP2006001652A (en) * | 2004-06-15 | 2006-01-05 | Uwa:Kk | Auxiliary device for suspension stabilization by crane |
| CN204625010U (en) * | 2015-04-29 | 2015-09-09 | 廖章威 | The anti-swing system of a kind of industrial crane |
| CN204751954U (en) * | 2015-06-19 | 2015-11-11 | 河南宝起华东起重机有限公司 | Hoist clamp hoisting mechanism |
| CN210505300U (en) * | 2019-09-27 | 2020-05-12 | 河南省黄河防爆起重机有限公司 | Gantry crane with electric hoist |
| CN214935431U (en) * | 2021-06-03 | 2021-11-30 | 湖北科技学院 | Gantry crane with anti-rolling function |
Non-Patent Citations (1)
| Title |
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| 起重机摇摆下伸缩套管防摇装置仿真和实验;韩广冬;《机械强度》;20171031;第39卷(第5期);第1234-1239页 * |
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| CN113321125A (en) | 2021-08-31 |
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