CN101920902B - Intermediate lifting-point device for movable double-box electric lifting tool - Google Patents
Intermediate lifting-point device for movable double-box electric lifting tool Download PDFInfo
- Publication number
- CN101920902B CN101920902B CN 200910052901 CN200910052901A CN101920902B CN 101920902 B CN101920902 B CN 101920902B CN 200910052901 CN200910052901 CN 200910052901 CN 200910052901 A CN200910052901 A CN 200910052901A CN 101920902 B CN101920902 B CN 101920902B
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- Prior art keywords
- box
- lifting
- liquid
- drives
- gas damper
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- Expired - Fee Related
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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
- B66C1/101—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 for containers
- B66C1/102—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 for containers for two or more containers end to end
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses an intermediate lifting-point device for a movable double-box electric lifting tool, which comprises a middle swing pin box, a reducing motor, a rotating shaft, a rotating plate, a gas-liquid buffer and a movable stand with a guide rail, wherein one end of the gas-liquid buffer is connected with the rotating plate through a rotating shaft, and the other end of the gas-liquid buffer is connected with the middle swing pin box; the reducing motor outputs power to drive the rotating plate to rotate in the forward direction or the reverse direction; the rotating plate drives the gas-liquid buffer to move through the rotating shaft; and the gas-liquid buffer drives the middle swing pin box to slide downwards or upwards on the guide rail of the movable stand, so that the swing pin box participates in or does not participate in the lifting work. By using the reducing motor as the driving power of the intermediate lifting-point device for a movable double-box electric lifting tool, the invention controls the fast switching of single-box and double-box working conditions, solves the defects of high failure rate, electric energy waste, environmental pollution and the like of the traditional hydraulic double-box lifting tool, and simplifies the structure of the lifting tool.
Description
Technical field
The present invention relates to the movable double-box electric lifting tool of container handling crane.
Background technology
What the middle lifting-point device of traditional movable double-box hanger adopted is that hydraulic ram drives, and has many shortcomings.At first, because the problems such as leakage of hydraulic efficiency pressure system, in use fault rate is higher to cause suspender.Secondly, the hydraulic ram actuating speed is slow, can not switch station by fast speed.Once more, leakage of oil cylinder etc. pollutes the environment.Therefore, it is low to need a kind of fault rate badly, can switch station fast, more the middle lifting-point device of environmental protection.
Summary of the invention
The objective of the invention is to adopt the propulsive effort of reducing motor as the middle lifting-point device of movable double-box electric lifting tool; The single case of control double-box hanger and the quick switching of two case operating modes; Solve the shortcomings such as fault rate height, waste of energy and contaminated environment of conventional hydraulic double-box hanger, and simplified hanger structure.
For achieving the above object, the invention provides a kind of later-model middle lifting-point device that is used for movable double-box electric lifting tool.
In one embodiment; This centre lifting-point device comprises middle part write-off box, reducing motor, turning cylinder, rotor plate, Liquid and gas damper, has the movable stand of guide rail; Wherein an end of Liquid and gas damper links to each other with rotor plate through turning cylinder, and the other end of Liquid and gas damper links to each other with the middle part write-off box.
This reducing motor outputting power optionally drives rotor plate and rotates forward or backwards; Rotor plate drives Liquid and gas damper through turning cylinder; Liquid and gas damper drives this middle part write-off box and on the guide rail of movable stand, slides downward or upward.The middle part write-off box promptly representes to participate in crane lifting service to lower slider, can hang two casees; The middle part write-off box upwards slides and promptly representes not participate in crane lifting service, can only hang single case.
When the two case of suspender lifting, the reducing motor outputting power drives the rotor plate forward rotation; Rotor plate drives Liquid and gas damper through turning cylinder and moves downward; To lower slider, the displacement of its decline came controlled reset through the induction limiting device to write-off box on the guide rail of movable stand in the middle part of Liquid and gas damper drove, the participation crane lifting service thereby feasible middle part write-off box descends;
When suspender lifted by crane single case, the reducing motor outputting power drove the rotor plate anti-phase and rotates; Rotor plate drives the Liquid and gas damper upward movement through turning cylinder; Liquid and gas damper drives the middle part write-off box and on the guide rail of movable stand, upwards slides, and the displacement of its rising comes controlled reset through the induction limiting device, does not participate in crane lifting service thereby make the middle part write-off box rise.
Description of drawings
Fig. 1 is the front view of lifting-point device in the middle of the movable double-box electric lifting tool according to an embodiment of the invention;
Fig. 2 is the lateral plan of lifting-point device in the middle of the movable double-box electric lifting tool according to an embodiment of the invention; And
Fig. 3 is that K among Fig. 2 is to view.
The specific embodiment
Fig. 1 and Fig. 2 are respectively the front view and the birds-eye view of the middle lifting-point device of movable double-box electric lifting tool according to an embodiment of the invention.In one embodiment, the middle lifting-point device of electronic movable double-box comprises: rotor plate 1, turning cylinder 2, reducing motor 3, Liquid and gas damper 4, middle part write-off box 5, movable stand 6, guide rail 7, decline limiting device 8, rising limiting device 9, limit induction plate 10.Rotor plate 1 is connected through turning cylinder 2 with Liquid and gas damper 4, and the other end of Liquid and gas damper 4 is connected with middle part write-off box 5.Write-off box 5 is fixed on the movable stand 6 through guide rail 7.Decline limiting device 8 is fixed on the movable stand 6, and rising limiting device 9 is fixed on the write-off box 5, and limit induction plate 10 is fixed on the movable stand 6.
Fig. 3 is that K among Fig. 2 is to view.A kind of structure of guide rail 7 has been shown among the figure.
Double-box hanger has two mode of operations, promptly single case and two two kinds of operating modes of case.When suspender lifted by crane single case, this centre lifting-point device was in off working state; When the two case of suspender lifting, this centre lifting-point device is in running order.An advantage of the invention is that reducing motor can be controlled the single case of double-box hanger and the quick switching of two case operating modes, owing to adopt electric braking, has reduced the fault rate of double-box hanger, and has made the use environmental protection more of suspender simultaneously.
Below the service condition of lifting-point device in the middle of of the present invention is described.
When the two case of suspender lifting, reducing motor 3 forward outputting powers drive the rotation of rotor plate 1, and rotor plate 1 moves downward through the straight line that turning cylinder 2 drives Liquid and gas dampers 4.Liquid and gas damper 4 drives middle part write-off box 5 and on the guide rail 7 of movable stand 6, slides, thereby realizes the decline of middle part write-off box 5, participates in the crane lifting service of two casees, and is promptly in running order.The displacement of its decline is carried out controlled reset through the induction limiting device 8 induction turning cylinders 2 that descend.When the right part write-off box among Fig. 1, Fig. 2 is slinging two boxes work, the state when lifting is participated in the back that descends.
When suspender lifted by crane single case, reducing motor 3 adopted electric braking and keeps write-off box 5 to be in a high position through clamp, does not participate in crane lifting service, promptly is in off working state.Particularly; Reducing motor 3 reverse outputting powers drive the rotation of rotor plate 1, and rotor plate 1 drives the upward movement of Liquid and gas damper 4 through turning cylinder 2, thereby drive middle part write-off box 5 upwards sliding at guide rail 7; Realize the rising of middle part write-off box 5, make it be in off working state.Its rising displacement is carried out controlled reset through the tablet 10 that induction limiting device 9 inductions of rising are fixed on the movable stand 6.When the left part write-off box among Fig. 1, Fig. 2 is the work of suspender list case, do not participate in the state that lifts by crane after the rising.
Though the present invention describes with reference to current specific embodiment; But those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the present invention; Under the situation that does not break away from spirit of the present invention, also can make the variation or the replacement of various equivalences, therefore, as long as in connotation scope of the present invention in the scope to the variation of the foregoing description, claims that modification all will drop on the application.
Claims (4)
1. a middle lifting-point device that is used for movable double-box electric lifting tool is characterized in that, comprises middle part write-off box, reducing motor, turning cylinder, rotor plate, Liquid and gas damper, has the movable stand of guide rail;
One end of said Liquid and gas damper links to each other with said rotor plate through said turning cylinder, and the other end of said Liquid and gas damper links to each other with said middle part write-off box;
Said reducing motor drives said rotor plate and rotates forward or backwards;
Said rotor plate drives said Liquid and gas damper through said turning cylinder;
Said Liquid and gas damper drives said middle part write-off box and on the guide rail of said movable stand, slides downward or upward, drives said middle part write-off box and rises or descend;
Said reducing motor drives said rotor plate forward rotation; Said rotor plate drives said Liquid and gas damper through said turning cylinder and moves downward; Said Liquid and gas damper drive said middle part write-off box on the guide rail of said movable stand to lower slider, make said middle part write-off box descend, be in and can hang two case operating modes; Perhaps
Said reducing motor drives said rotor plate backward rotation; Said rotor plate drives said Liquid and gas damper upward movement through said turning cylinder; Said Liquid and gas damper drives said middle part write-off box and on the guide rail of said movable stand, upwards slides, and makes said middle part write-off box rise, and is in and can hangs single case operating mode.
2. lifting-point device in the middle of according to claim 1 is characterized in that, said middle lifting-point device also comprises the tablet that is positioned on the said movable stand.
3. lifting-point device in the middle of according to claim 2 is characterized in that, said in the middle of lifting-point device also comprise the decline limiting device that is positioned on the said movable stand, said decline limiting device is responded to the decline displacement that said tablet and feedback-induced obtain.
4. according to claim 2 or 3 described middle lifting-point devices, it is characterized in that said middle lifting-point device also comprises:
Be positioned at the rising limiting device on the write-off box of said middle part, said rising limiting device is responded to the rising displacement that said tablet and feedback-induced obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910052901 CN101920902B (en) | 2009-06-11 | 2009-06-11 | Intermediate lifting-point device for movable double-box electric lifting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910052901 CN101920902B (en) | 2009-06-11 | 2009-06-11 | Intermediate lifting-point device for movable double-box electric lifting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101920902A CN101920902A (en) | 2010-12-22 |
| CN101920902B true CN101920902B (en) | 2012-09-19 |
Family
ID=43336164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910052901 Expired - Fee Related CN101920902B (en) | 2009-06-11 | 2009-06-11 | Intermediate lifting-point device for movable double-box electric lifting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101920902B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115837680B (en) * | 2023-02-28 | 2023-05-02 | 山东科华电力技术有限公司 | Cable channel rail hanging type intelligent inspection robot based on buffering and damping principle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3871697A (en) * | 1972-06-08 | 1975-03-18 | Friedrick Kocks Gmbh | Load take-up apparatus for lifting devices |
| CN2509159Y (en) * | 2001-09-14 | 2002-09-04 | 上海振华港口机械股份有限公司 | Double cage movable slings middle separable king pin box |
| CN1415529A (en) * | 2001-10-31 | 2003-05-07 | 上海振华港口机械股份有限公司 | Tool for lifting with mobile dual boxes |
| CN2830348Y (en) * | 2005-07-27 | 2006-10-25 | 上海振华港口机械（集团）股份有限公司 | Novel electric hook block |
-
2009
- 2009-06-11 CN CN 200910052901 patent/CN101920902B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3871697A (en) * | 1972-06-08 | 1975-03-18 | Friedrick Kocks Gmbh | Load take-up apparatus for lifting devices |
| CN2509159Y (en) * | 2001-09-14 | 2002-09-04 | 上海振华港口机械股份有限公司 | Double cage movable slings middle separable king pin box |
| CN1415529A (en) * | 2001-10-31 | 2003-05-07 | 上海振华港口机械股份有限公司 | Tool for lifting with mobile dual boxes |
| CN2830348Y (en) * | 2005-07-27 | 2006-10-25 | 上海振华港口机械（集团）股份有限公司 | Novel electric hook block |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101920902A (en) | 2010-12-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20210611 |