CN114604752A - Rigid anti-swing device of container crane - Google Patents
Rigid anti-swing device of container crane Download PDFInfo
- Publication number
- CN114604752A CN114604752A CN202011423284.7A CN202011423284A CN114604752A CN 114604752 A CN114604752 A CN 114604752A CN 202011423284 A CN202011423284 A CN 202011423284A CN 114604752 A CN114604752 A CN 114604752A
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- China
- Prior art keywords
- guide rod
- rigid
- diaphragm spring
- outer cover
- guide arm
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a rigid anti-swing device of a container crane, which comprises a rigid guide rod, a guide rod base, a guide rod outer cover, a lifting appliance and a clutch mechanism, wherein the rigid guide rod penetrates through a hole in the center of a crane trolley, the guide rod base is arranged at the bottom of the rigid guide rod, the bottom of the guide rod base is movably connected with the top of the lifting appliance, the guide rod outer cover is arranged on the outer side of the guide rod base, the bottom of the guide rod outer cover is fixedly arranged at the top of the lifting appliance, a center hole for the rigid guide rod to penetrate through is formed in the top of the guide rod outer cover, the radius of the center hole is larger than that of the rigid guide rod, and the clutch mechanism capable of controlling the rigid guide rod base and the guide rod outer cover to be separated or pressed is arranged between the guide rod base and the guide rod outer cover. The rigid anti-swing device has a certain horizontal activity, can enable the lifting appliance to swing to zero when lifting, is reliable and stable in lifting work, effectively reduces impact force, is accurate and quick in alignment and high in operation efficiency.
Description
Technical Field
The invention relates to the technical field of hoisting and transporting equipment, in particular to a rigid anti-swing device of a container crane.
Background
In order to accurately align the lock hole of the container by the spreader, the container crane is usually designed with an anti-swing device, one of which is a flexible anti-swing device suspended by a steel wire rope, and the spreader has a complex structure; the other type is rigid anti-swing, a rigid guide rod is adopted to freely move up and down in a hole in the center of the crane trolley, a fixed wheel of a floating support is arranged in the hole in the center of the crane trolley to limit the horizontal movement of the rigid guide rod, so that the rigid anti-swing of the lifting appliance is realized, the lower part of the rigid guide rod is connected with the lifting appliance, the lifting appliance is aligned with the container, and the rigid guide rod drives the container to lift and descend under the action of a lifting steel wire rope.
For example, patent No. 200420060117.0 discloses a telescopic rigid guide rod anti-swing device for a container gantry crane, in which the rigid guide rod is composed of a fixed joint and a plurality of telescopic joints sleeved in the fixed joint, the fixed joint is fixed on the upper surface of a trolley frame through a fixed flange at the upper end, the lower end of the fixed joint is fixed on the lower surface of the trolley frame through a fixed frame, and the anti-swing device is suitable for lifting and anti-swing of a container gantry crane with a large lifting height.
The rigid anti-swing device of the existing container crane can ensure the reliable and stable lifting operation when in use, but is completely rigid, and has the problems of large impact force, no horizontal allowance and the like.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a rigid anti-swing device of a container crane, which has a certain horizontal movement amount, can enable a lifting appliance to swing to zero when lifting, has reliable and stable lifting work, effectively reduces impact force, is accurate and quick in alignment and has high operation efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a rigid anti-swing device of a container crane, which comprises a rigid guide rod, a guide rod base, a guide rod outer cover, a lifting appliance and a clutch mechanism, wherein the rigid guide rod penetrates through a hole in the center of a crane trolley, the guide rod base is arranged at the bottom of the rigid guide rod, the bottom of the guide rod base is movably connected with the top of the lifting appliance, the guide rod outer cover is arranged on the outer side of the guide rod base, the bottom of the guide rod outer cover is fixedly arranged at the top of the lifting appliance, a central hole for the rigid guide rod to penetrate through is formed in the top of the guide rod outer cover, the radius of the central hole is larger than that of the rigid guide rod, and the clutch mechanism capable of controlling the guide rod base and the guide rod outer cover to be separated or pressed is arranged between the guide rod base and the guide rod outer cover.
In a further improvement, the clutch mechanism comprises a diaphragm spring, a fixing piece, a lower pressing piece, a driving mechanism, a first friction plate and a second friction plate, the diaphragm spring is positioned between the top of the guide rod base and the inner top of the guide rod outer cover, the diaphragm spring is in a conical structure, the bottom of the diaphragm spring is provided with a large-opening end, the top of the diaphragm spring is provided with a small-opening end, the outer side of the diaphragm spring is fixed on the inner top of the guide rod outer cover through a fixing piece, a first friction plate is arranged on the outer side of the bottom of the diaphragm spring, a second friction plate matched with the first friction plate is arranged on the top of the guide rod base, a lower pressing piece is arranged at the outer side of the diaphragm spring close to the small-opening end, the driving mechanism is connected with the lower pressing piece, the first friction plate and the second friction plate can be controlled to be separated or tightly attached under the action of the driving mechanism. When the lifting appliance is used, the driving mechanism drives the lower pressing piece to move downwards, the diaphragm spring is pressed by the lower pressing piece and drives the first friction plate to tilt, so that the first friction plate is separated from the second friction plate, the guide rod base is separated from the guide rod outer cover, the rigid guide rod and the lifting appliance can move relatively because the radius of the central hole in the top of the guide rod outer cover is larger than that of the rigid guide rod, the shaking amplitude of the lifting appliance is limited within a certain range under the action of the guide rod outer cover, effective positioning can be carried out when certain deviation exists between the lifting appliance and a container, the alignment is accurate and rapid, and the diaphragm spring is arranged, so that the lifting appliance and the container have a certain buffering function when being aligned and installed; after the lifting appliance and the container are installed in an aligned mode, the lifting appliance is lifted, the driving mechanism drives the pressing piece to move upwards, the diaphragm spring recovers the original state, at the moment, the first friction plate and the second friction plate are tightly attached, the rigid guide rod is fixed with the lifting appliance, and therefore the lifting appliance is prevented from shaking.
The improved structure of the guide rod outer cover is characterized in that the driving mechanism comprises a hydraulic cylinder, a lever and a mounting seat, the outer side of the lever is movably connected with the mounting seat positioned at the inner top of the guide rod outer cover, one end of the lever is connected with a piston rod of the hydraulic cylinder positioned on the inner side wall of the guide rod outer cover, and the other end of the lever is connected with the lower pressing piece. When the friction plate pressing device is used, the lever takes the mounting seat as a fulcrum, and the piston rod of the hydraulic cylinder extends or retracts to drive the pressing piece to move downwards or upwards, so that the diaphragm spring can be pressed or restored to the original state, and the first friction plate and the second friction plate are separated or tightly attached.
The improved structure is characterized in that an annular limiting part matched with the top of the diaphragm spring is arranged at the top in the guide rod outer cover. Through setting up annular locating part, when diaphragm spring reconversion, diaphragm spring top and annular locating part bottom contact for certain space is formed between diaphragm spring top and the guide arm enclosing cover top, in order to supply to hold down piece and lever end.
The further improvement is that the outer side of the bottom of the rigid guide rod is provided with a rubber sleeve. The impact force in the horizontal direction is reduced by arranging the rubber sleeve.
The improved guide rod base is characterized in that a bearing accommodating groove is formed in the bottom of the guide rod base, and a first bearing is installed in the bearing accommodating groove.
The further improvement is that a second bearing is arranged between the outer side of the rigid guide rod and the inner side of the hole in the center of the crane trolley.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the matching of the rigid guide rod, the guide rod base, the guide rod outer cover, the lifting appliance and the clutch mechanism, when the lifting appliance and the container are aligned and installed, the separation of the guide rod base and the guide rod outer cover is controlled through the clutch mechanism, because the radius of the central hole in the top of the guide rod outer cover is larger than that of the rigid guide rod, the rigid guide rod and the lifting appliance can move relatively, and under the action of the guide rod outer cover, the shaking amplitude of the lifting appliance is limited within a certain range, so that the effective positioning can be carried out when a certain deviation exists between the lifting appliance and the container, and the alignment is accurate and quick; after the lifting appliance and the container are aligned and installed, when the lifting appliance is lifted, the clutch mechanism controls the guide rod base and the guide rod outer cover to be pressed together, so that the rigid guide rod and the lifting appliance are fixed, and the lifting appliance is prevented from shaking during lifting.
Drawings
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
FIG. 1 is a schematic view of the overall structure of a rigid anti-sway device for a container crane according to the present invention;
FIG. 2 is a schematic structural view of the clutch mechanism of the present invention in a first state;
FIG. 3 is a schematic structural view of the clutch mechanism in a second state according to the present invention;
wherein, the specific reference numbers are: the device comprises a rigid guide rod 1, a guide rod base 2, a bearing accommodating groove 3, a first bearing 4, a guide rod outer cover 5, a lifting appliance 6, a clutch mechanism 7, a diaphragm spring 8, an annular limiting part 9, a fixing part 10, a pressing part 11, a first friction plate 12, a second friction plate 13, a hydraulic cylinder 14, a lever 15, a mounting seat 16, a crane trolley 17, a second bearing 18 and a rubber sleeve 19.
Detailed Description
The embodiment of the invention discloses a rigid anti-swing device of a container crane, which comprises a rigid guide rod 1, a guide rod base 2, a guide rod outer cover 5, a lifting appliance 6 and a clutch mechanism 7, wherein the rigid guide rod 1 penetrates through a hole in the center of a crane trolley 17, the bottom of the rigid guide rod 1 is provided with the guide rod base 2, the bottom of the guide rod base 2 is movably connected with the top of the lifting appliance 6, the outer side of the guide rod base 2 is provided with the guide rod outer cover 5, the bottom of the guide rod outer cover 5 is fixedly arranged at the top of the lifting appliance 6, the top of the guide rod outer cover 5 is provided with a central hole for the rigid guide rod 1 to penetrate through, the radius of the central hole is larger than that of the rigid guide rod 1, the radius of the central hole in the top of the guide rod outer cover 5 is larger than that of the rigid guide rod 1, and the clutch mechanism 7 for controlling the guide rod base 2 and the guide rod outer cover 5 to be separated or pressed. When the lifting appliance is used, through the matching of the rigid guide rod 1, the guide rod base 2, the guide rod outer cover 5, the lifting appliance 6 and the clutch mechanism 7, when the lifting appliance 6 is aligned with a container to be installed, the clutch mechanism 7 controls the guide rod base 2 to be separated from the guide rod outer cover 5, because the radius of the center hole in the top of the guide rod outer cover 5 is larger than that of the rigid guide rod 1, the rigid guide rod 1 and the lifting appliance 6 can move relatively, and under the action of the guide rod outer cover 5, the shaking amplitude of the lifting appliance 6 is limited within a certain range, the shaking amplitude of the lifting appliance 6 in the transverse direction is limited within the range taking the rigid guide rod 1 as the center and taking 2 delta + r as the radius, effective positioning can be carried out when a certain deviation exists between the positions of the lifting appliance 6 and the container, and the alignment is accurate and quick; after the lifting appliance 6 is aligned with the container and installed, the lifting appliance 6 is lifted, the clutch mechanism 7 controls the guide rod base 2 and the guide rod outer cover 5 to be pressed, so that the rigid guide rod 1 and the lifting appliance 6 are fixed, and the lifting appliance 6 is prevented from shaking during lifting.
As shown in fig. 2 and fig. 3, the clutch mechanism 7 includes a diaphragm spring 8, a fixing member 10, a pressing member 11, a driving mechanism, a first friction plate 12 and a second friction plate 13, the diaphragm spring 8 is located between the top of the guide rod base 2 and the top of the guide rod outer cover 5, the diaphragm spring 8 is in a conical structure, the bottom of the diaphragm spring 8 is a large-opening end, the top of the diaphragm spring 8 is a small-opening end, the outer side of the diaphragm spring 8 is fixed on the top of the guide rod outer cover 5 through the fixing member 10, the outer side of the bottom of the diaphragm spring 8 is provided with the first friction plate 12, the top of the guide rod base 2 is provided with the second friction plate 13 matched with the first friction plate 12, the outer side of the diaphragm spring 8 is close to the small-opening end and is provided with the pressing member 11, the driving mechanism is connected with the pressing member 11, and the first friction plate 12 and the second friction plate 13 can be controlled to be separated or tightly attached under the driving mechanism. When the lifting appliance is used, the driving mechanism drives the lower pressing piece 11 to move downwards, the diaphragm spring 8 is pressed by the lower pressing piece 11 and drives the first friction plate 12 to tilt, so that the first friction plate is separated from the second friction plate 13, the guide rod base 2 is separated from the guide rod outer cover 5, the rigid guide rod 1 and the lifting appliance 6 can move relatively because the radius of the center hole in the top of the guide rod outer cover 5 is larger than that of the rigid guide rod 1, the shaking amplitude of the lifting appliance 6 is limited within a certain range under the action of the guide rod outer cover 5, effective positioning can be carried out when the positions of the lifting appliance 6 and a container have certain deviation, the alignment is accurate and rapid, and the diaphragm spring 8 is arranged, so that the lifting appliance 6 and the container have a certain buffering function when being aligned and installed; after the hanger 6 is aligned with the container and installed, the hanger 6 is lifted, the driving mechanism drives the pressing piece 11 to move upwards, the diaphragm spring 8 recovers, at the moment, the first friction plate 12 and the second friction plate 13 are tightly attached to each other, so that the rigid guide rod 1 is fixed to the hanger 6, and the hanger 6 is prevented from shaking.
The driving mechanism comprises a hydraulic cylinder 14, a lever 15 and a mounting seat 16, the outer side of the lever 15 is movably connected with the mounting seat 16 located at the inner top of the guide rod outer cover 5, one end of the lever 15 is connected with a piston rod of the hydraulic cylinder 14 located on the inner side wall of the guide rod outer cover 5, and the other end of the lever 15 is connected with the lower pressing piece 11. When the diaphragm spring is used, the lever 15 takes the mounting seat 16 as a fulcrum, and the extension or retraction of the piston rod of the hydraulic cylinder 14 drives the pressing piece 11 to move downwards or upwards, so that the diaphragm spring 8 can be pressed downwards or restored to the original state, and the separation or tight fit of the first friction plate 12 and the second friction plate 13 is further realized.
Wherein, the top in the guide rod outer cover 5 is provided with an annular limiting part 9 matched with the top of the diaphragm spring 8. Through setting up annular locating part 9, when diaphragm spring 8 reconversion, diaphragm spring 8 top and annular locating part 9 bottom contact for certain space is formed between 8 tops of diaphragm spring and the guide arm enclosing cover 5 interior top, in order to supply to hold down 11 and the lever 15 tip.
Wherein, the outer side of the bottom of the rigid guide rod 1 is provided with a rubber sleeve 19. The horizontal impact force is reduced by providing the rubber sleeve 19.
Wherein, the bearing holding tank 3 has been seted up to guide arm base 2 bottom, installs first bearing 4 in the bearing holding tank 3.
Wherein, a second bearing 18 is arranged between the outer side of the rigid guide rod 1 and the inner side of the hole at the center of the crane trolley 17.
The present invention has been described in terms of specific examples, which are provided to aid in understanding the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (7)
1. The utility model provides a container crane's rigidity anti-swing device, its characterized in that, includes rigidity guide arm, guide arm base, guide arm enclosing cover, hoist and clutching mechanism, the rigidity guide arm passes the hole of monkey center department, install rigidity guide arm bottom the guide arm base, guide arm base bottom with hoist top swing joint, the guide arm base outside is equipped with the guide arm enclosing cover, guide arm enclosing cover bottom fixed mounting be in the hoist top, the confession is seted up at guide arm enclosing cover top the centre bore that the rigidity guide arm passed, the radius of centre bore is greater than the radius of rigidity guide arm, the guide arm base with be equipped with between the guide arm enclosing cover steerable both to separate or the pressfitting clutching mechanism.
2. Rigid anti-sway device of a container crane according to claim 1, the clutch mechanism comprises a diaphragm spring, a fixing piece, a lower pressing piece, a driving mechanism, a first friction plate and a second friction plate, the diaphragm spring is positioned between the top of the guide rod base and the inner top of the guide rod outer cover, the diaphragm spring is in a conical structure, the bottom of the diaphragm spring is provided with a large-opening end, the top of the diaphragm spring is provided with a small-opening end, the outer side of the diaphragm spring is fixed on the inner top of the outer cover of the guide rod through a fixing piece, a first friction plate is arranged on the outer side of the bottom of the diaphragm spring, a second friction plate matched with the first friction plate is arranged on the top of the guide rod base, a lower pressing piece is arranged at the outer side of the diaphragm spring close to the small-opening end, the driving mechanism is connected with the lower pressing piece, the first friction plate and the second friction plate can be controlled to be separated or tightly attached under the action of the driving mechanism.
3. A rigid anti-swing apparatus of a container crane according to claim 2, wherein the driving mechanism comprises a hydraulic cylinder, a lever and a mounting seat, the outer side of the lever is movably connected to the mounting seat located at the inner top of the outer cover of the guide rod, one end of the lever is connected to the piston rod of the hydraulic cylinder located on the inner side wall of the outer cover of the guide rod, and the other end of the lever is connected to the lower pressing member.
4. A rigid anti-sway device for a container crane as claimed in claim 3, wherein said guide bar outer cover inner top portion is provided with an annular stop cooperating with said diaphragm spring top portion.
5. A rigid anti-sway device of a container crane as claimed in claim 1, wherein a rubber sleeve is provided at the outer side at the bottom of said rigid guide bar.
6. The rigid anti-swing device of claim 1, wherein the guide bar base has a bearing receiving groove formed at a bottom thereof, and the bearing receiving groove is installed with a first bearing.
7. A rigid anti-sway device for a container crane as claimed in claim 1, wherein a second bearing is provided between an outside of said rigid guide bar and an inside of said aperture at a center of said crane trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011423284.7A CN114604752A (en) | 2020-12-08 | 2020-12-08 | Rigid anti-swing device of container crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011423284.7A CN114604752A (en) | 2020-12-08 | 2020-12-08 | Rigid anti-swing device of container crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114604752A true CN114604752A (en) | 2022-06-10 |
Family
ID=81855854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011423284.7A Pending CN114604752A (en) | 2020-12-08 | 2020-12-08 | Rigid anti-swing device of container crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114604752A (en) |
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2020
- 2020-12-08 CN CN202011423284.7A patent/CN114604752A/en active Pending
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