CN215711337U - Integrated form hoist mechanism of offshore platform loop wheel machine - Google Patents
Integrated form hoist mechanism of offshore platform loop wheel machine Download PDFInfo
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- CN215711337U CN215711337U CN202121392669.1U CN202121392669U CN215711337U CN 215711337 U CN215711337 U CN 215711337U CN 202121392669 U CN202121392669 U CN 202121392669U CN 215711337 U CN215711337 U CN 215711337U
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Abstract
The utility model discloses an integrated hoisting mechanism of an offshore platform crane, which comprises at least one safety protection device, a hoisting support (8), a fixing frame (4) and a reel assembly (2), wherein the hoisting support (8) is fixed below a hoisting arm (21) through the fixing frame (4), and the safety protection device and the reel assembly (2) are fixedly arranged on the hoisting support (8). The utility model has the beneficial effects that: the integrated winch mechanism of the offshore platform crane has the advantages of compact structure, simple processing, complete functions and convenient maintenance.
Description
Technical Field
The utility model relates to the technical field of offshore cranes, in particular to an integrated hoisting mechanism of an offshore platform crane.
Background
The hoisting mechanism of the existing offshore crane has the following problems: the safety mechanism of the hoisting mechanism of the common offshore platform crane is not complete, the installation and matching positions are relatively dispersed, the accessory of the hoisting mechanism and the hoisting mechanism are not favorably and accurately positioned, the debugging and the maintenance of the hoisting mechanism are troublesome, and the problem can be effectively solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an integrated hoisting mechanism of an offshore platform crane, which solves the problems that the safety device of the existing hoisting mechanism is not complete, and the later installation and maintenance of the hoisting mechanism are troublesome.
In order to achieve the purpose, the utility model provides an integrated winch mechanism of an offshore platform crane, which comprises at least one safety protection device, a winch support (8), a fixing frame (4) and a winding drum assembly (2), wherein the winch support (8) is fixed below a suspension arm (21) through the fixing frame (4), and the safety protection device and the winding drum assembly (2) are fixedly arranged on the winch support (8).
Preferably, the hoisting mechanism further comprises a connecting rotating shaft (6), and the connecting rotating shaft (6) is used for connecting the hoisting support (8) and the fixing frame (4).
Preferably, the winding drum assembly (2) comprises a winding drum (18), a planetary speed reducer (17), a lifting motor (9) and a rotary encoder (7), the planetary speed reducer (17) is located inside the winding drum (18), and the lifting motor (9) and the rotary encoder (7) are located at two ends of the winding drum (18).
Preferably, the safety protection device comprises a rope loosening protection device (1), a rope pressing and three-ring protection device (3), an overload protection device (5) and a limit limiting protection device (7), wherein the rope loosening protection device (1), the rope pressing and three-ring protection device (3), the overload protection device (5) and the limit limiting protection device (7) are fixedly arranged at different positions of the hoisting support (8).
Preferably, the rope loosening protection device (1) is fixed at the front end of the hoisting support (8) and used for detecting whether a steel wire rope on the winding drum (18) is tensioned or not, if the steel wire rope is in a loose state, the rope roller (19) sags to trigger the limit switch (14), and the winding drum (18) stops rotating.
Preferably, the rope pressing and three-turn protecting device (3) compresses the wound steel wire rope through the tension spring (12), and when the last three turns of steel wire rope are left, the rope pressing and three-turn protecting device (3) rotates in a small range under the action of the tension spring (12), so that the rope loosening switch (16) is triggered, and the winding drum (18) stops rotating;
preferably, the limit protection device (7) can limit the position of the lifting hook, so that the steel wire rope is prevented from being over-discharged or over-coiled;
preferably, the overload protection device (5) is connected with the overload sensor (15) and the hoisting support (8) at the front end through a pin shaft (13), the hoisting support (8) can generate torque around the connecting rotating shaft (6) under the action of tension of the steel wire rope, and after the torque value is too large, the overload sensor (15) of the overload protection device (5) can detect that the winding drum (18) stops rotating.
The utility model has the beneficial effects that: the integrated winch mechanism of the offshore platform crane has the advantages of compact structure, simple processing, complete functions and convenient maintenance.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the utility model and are not intended to be limiting of the utility model. Wherein:
fig. 1 is a schematic diagram of an integrated winch structure;
FIG. 2 is a schematic diagram of the distribution of integrated hoisting components;
fig. 3 is a schematic view of the installation of the integrated winch on the boom.
Reference numerals:
1-a slack rope protection device; 2-a spool assembly; 3-pressing rope and three-ring protection device; 4-a fixing frame; 5-an overload protection device; 6-connecting the rotating shaft; 7-limit protection device; 8-hoisting support; 9-a lifting motor; 10-slack rope support; 11-rope pressing roller; 12-a tension spring; 13-a pin shaft; 14-limit switch; 15-an overload sensor; 16-a rope-releasing switch; 17-a planetary reducer; 18-a spool; 19-rope roll; 20-connecting bolts; 21-the boom.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict, and the present invention will be described in detail with reference to the accompanying drawings and the embodiments.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships that, without particular explanation, are based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, the embodiment provides an integrated hoisting mechanism of an offshore platform crane, including at least one safety protection device, a hoisting support 8, a fixing frame 4 and a drum assembly 2, where the hoisting support 8 is fixed below a boom 21 through the fixing frame 4, the fixing frame 4 is fixed below the boom 21 through a connecting bolt 20, and the safety protection device and the drum assembly 2 are fixedly disposed on the hoisting support 8.
Preferably, the hoisting mechanism further comprises a connecting rotating shaft 6, and the connecting rotating shaft 6 is used for connecting the hoisting bracket 8 and the fixing frame 4.
Preferably, the winding drum assembly 2 comprises a winding drum 18, a planetary speed reducer 17, a lifting motor 9 and a rotary encoder 7, wherein the planetary speed reducer 17 is located inside the winding drum 18, and the lifting motor 9 and the rotary encoder 7 are located at two ends of the winding drum 18.
Preferably, the safety protection device comprises a rope loosening protection device 1, a rope pressing and three-ring protection device 3, an overload protection device 5 and a limit protection device 7, and the rope loosening protection device 1, the rope pressing and three-ring protection device 3, the overload protection device 5 and the limit protection device 7 are fixedly arranged at different positions of the hoisting support 8.
Preferably, the rope-loosening protection device 1 is fixed at the front end of the hoisting bracket 8 and is used for detecting whether a steel wire rope on the winding drum 18 is tensioned or not, if the steel wire rope is in a loose state, the rope roller 19 and the rope-loosening bracket 10 rotate in a small amplitude, the rope-loosening bracket 10 triggers the limit switch 14, and the winding drum 18 stops rotating.
Preferably, the rope pressing roller 11 of the rope pressing and three-turn protecting device 3 presses the wound steel wire rope through the tension spring 12, and when the last three turns of steel wire rope are left, the rope pressing and three-turn protecting device 3 rotates in a small range under the action of the tension spring 12, so that the rope loosening switch 16 is triggered, and the winding drum 18 stops rotating.
Preferably, the limit protection device 7 can limit the number of rotation turns of the winding drum 18, so that the position of the hook is limited, and the steel wire rope is prevented from being over-discharged or over-wound.
Preferably, the overload protection device 5 is connected with the overload sensor 15 and the hoisting support 8 at the front end through the pin 13, the hoisting support 8 can generate torque around the connecting rotating shaft 6 under the action of the tension of the steel wire rope, when the torque value is too large, the tension transmitted to the pin 13 by the tension of the steel wire rope is also too large, the overload sensor 15 of the overload protection device 5 can detect the tension of the steel wire rope, and the winding drum 18 stops rotating.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (8)
1. The integrated winch mechanism of the offshore platform crane is characterized by comprising at least one safety protection device, a winch support (8), a fixing frame (4) and a winding drum assembly (2), wherein the winch support (8) is fixed below a suspension arm (21) through the fixing frame (4), and the safety protection device and the winding drum assembly (2) are fixedly arranged on the winch support (8).
2. The integrated hoisting mechanism of offshore platform crane according to claim 1, further comprising a connecting rotating shaft (6), wherein the connecting rotating shaft (6) is used for connecting the hoisting bracket (8) and the fixed frame (4).
3. The integrated hoisting mechanism of the offshore platform crane according to claim 1, wherein the drum assembly (2) comprises a drum (18), a planetary reducer (17), a hoisting motor (9) and a rotary encoder (7), the planetary reducer (17) is located inside the drum (18), and the hoisting motor (9) and the rotary encoder (7) are located at two ends of the drum (18).
4. The integrated hoisting mechanism of offshore platform crane according to claim 1, wherein the safety protection device comprises a slack rope protection device (1), a pressure rope and three-ring protection device (3), an overload protection device (5) and a limit protection device (7), and the slack rope protection device (1), the pressure rope and three-ring protection device (3), the overload protection device (5) and the limit protection device (7) are fixedly arranged at different positions of the hoisting support (8).
5. The integrated hoisting mechanism of offshore platform crane according to claim 1, wherein the rope-loosening protection device (1) is fixed at the front end of the hoisting support (8) and is used for detecting whether the steel wire rope on the winding drum (18) is tensioned or not, if the steel wire rope is in a loose state, the rope roller (19) sags to trigger the limit switch (14), and the winding drum (18) stops rotating.
6. The integrated hoisting mechanism of offshore platform crane according to claim 1, wherein the rope pressing and three-turn protecting device (3) compresses the wound steel wire rope by the tension spring (12), and when the last three turns of steel wire rope are left, the rope pressing and three-turn protecting device (3) rotates slightly under the action of the tension spring (12), so that the rope loosening switch (16) is triggered, and the winding drum (18) stops rotating.
7. The integrated hoisting mechanism of offshore platform crane according to claim 1, wherein the limit position protection device (7) can limit the position of the hook to ensure that the wire rope is not over-discharged or over-wound.
8. The integrated hoisting mechanism of offshore platform crane according to claim 1, wherein the overload protection device (5) is connected with the overload sensor (15) and the hoisting bracket (8) at the front end through a pin shaft (13), the hoisting bracket (8) can generate torque around the connecting rotating shaft (6) under the action of the tension of the steel wire rope, and when the torque value is too large, the overload sensor (15) of the overload protection device (5) can detect that the winding drum (18) stops rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121392669.1U CN215711337U (en) | 2021-06-21 | 2021-06-21 | Integrated form hoist mechanism of offshore platform loop wheel machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121392669.1U CN215711337U (en) | 2021-06-21 | 2021-06-21 | Integrated form hoist mechanism of offshore platform loop wheel machine |
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| Publication Number | Publication Date |
|---|---|
| CN215711337U true CN215711337U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121392669.1U Active CN215711337U (en) | 2021-06-21 | 2021-06-21 | Integrated form hoist mechanism of offshore platform loop wheel machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436139A (en) * | 2022-04-11 | 2022-05-06 | 库珀新能源股份有限公司 | Safe type cantilever loop wheel machine |
-
2021
- 2021-06-21 CN CN202121392669.1U patent/CN215711337U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436139A (en) * | 2022-04-11 | 2022-05-06 | 库珀新能源股份有限公司 | Safe type cantilever loop wheel machine |
| CN114436139B (en) * | 2022-04-11 | 2022-06-14 | 库珀新能源股份有限公司 | Safe type cantilever loop wheel machine |
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