CN220364060U - Ship unloader with steel wire rope breakage detection device - Google Patents
Ship unloader with steel wire rope breakage detection device Download PDFInfo
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- CN220364060U CN220364060U CN202321815687.5U CN202321815687U CN220364060U CN 220364060 U CN220364060 U CN 220364060U CN 202321815687 U CN202321815687 U CN 202321815687U CN 220364060 U CN220364060 U CN 220364060U
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- fixed pulley
- pulley block
- wire rope
- block
- ladder frame
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 238000004804 winding Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000036561 sun exposure Effects 0.000 description 1
Abstract
The utility model discloses a ship unloader with a wire rope breakage detection device, which comprises a main body frame and a ladder frame, wherein a ladder frame fixed pulley block A and a ladder frame fixed pulley block B are respectively arranged on two sides of the top of the ladder frame; the traction steel wire rope A turns back after bypassing the fixed pulley block A of the ladder frame and the fixed pulley block A of the front girder and is connected to a balance block, and the traction steel wire rope B turns back after bypassing the fixed pulley block B of the ladder frame and the fixed pulley block B of the front girder and is connected to the balance block; the top of the balance block is provided with a trigger block; the trigger block is positioned between the two limit sensors; when the rope is broken, the limit sensor is triggered to work through the trigger block at the top of the balance weight, and the limit sensor transmits signals back to the controller, so that the driving device can be controlled to carry out scram, meanwhile, the electric alarm is triggered to give an alarm, and then faults are displayed in the screen display to be processed; the rope breakage phenomenon can be found in time, the machine can be stopped immediately, and the alarm can be given out, so that the safety risk is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of alarm devices on ship unloaders, in particular to a ship unloader with a wire rope breakage detection device.
Background
The pitching mechanism of the bridge grab ship unloader is usually composed of pitching steel wire ropes, rope pulley blocks, a transmission coil, a speed reduction transmission device, a driving device and the like. When the pitching wire rope is retracted by the pitching transmission drum, the cantilever is lifted up. When the pitching wire rope is paid out from the pitching transmission drum, the cantilever is placed horizontally in a pitching mode.
The pitching mechanism steel wire rope of the ship unloader is formed by twisting a plurality of strands of filaments together, when the steel wire rope is subjected to the action of alternating stress in the use process, and when the steel wires are out of sync in deformation, the steel wires slide, so that abrasion is generated, the diameter of the steel wire rope is directly reduced due to the abrasion, microcracks are generated at the abrasion positions of the steel wires, and under the action of bending stress, the microcracks are expanded, so that broken wires and broken strands can be generated. In the amplitude changing process of the ship unloader, the steel wire rope is an important load-carrying component and carries the whole mass of the front girder of the ship unloader. Often, due to the fact that maintenance and inspection are not carried out in place and other accidents, and weather in coastal areas and under the sun exposure are easy to cause the phenomena of wire breakage and strand breakage of the steel wire rope, if the steel wire rope is not stopped in time, safety production accidents are easy to cause. Because the ship unloader becomes amplitude to operate, generally the driver is becoming amplitude cab operation, when the rope phenomenon appears breaking, the response speed of people is slow, can't stop in time, guarantees equipment and life safety.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides the pitching wire rope breakage protection device which is controlled by an electrical signal when the pitching wire rope is broken, avoids accidents caused by the wire rope breakage, and is suitable for a bridge grab ship unloader.
The technical scheme of the utility model is as follows: a ship unloader with a wire rope breakage detection device comprises a main body frame, wherein a trapezoid frame is arranged at the top of the main body frame, and a front girder is rotatably arranged at the front side of the main body frame; the top of the main body frame is rotatably provided with a pitching reel and a driving device for driving the pitching reel; the two sides of the top of the ladder frame are respectively provided with a ladder frame fixed pulley block A and a ladder frame fixed pulley block B; the front girder fixed pulley block A and the front girder fixed pulley block B are respectively arranged on two sides of the front end of the front girder; traction steel wire ropes A and B are respectively arranged at two ends of the pitching reel; the traction steel wire rope A and the traction steel wire rope B respectively bypass the fixed pulley block A of the ladder frame, the fixed pulley block A of the front girder, the fixed pulley block B of the ladder frame and the fixed pulley block B of the front girder, turn back and are connected to two symmetrical positions of a balance block; the balance weight is positioned at the top of the trapezoid frame, is embedded in a groove at the top of the trapezoid frame and moves left and right along with the traction force change of the left end and the right end, and the trigger block is arranged at the top of the balance weight; a sensor bracket is fixedly arranged on one side of the slot, two limit sensors are arranged on the sensor bracket at intervals, and a trigger block is positioned between the two limit sensors; the limit sensor is electrically connected with the signal input end of the controller, and the model output end of the controller is electrically connected with the driving device and the photoelectric alarm at the same time.
Preferably, two sides of the top of the ladder frame are respectively provided with a reversing fixed pulley A and a reversing fixed pulley B, and the wheel axes of the reversing fixed pulley A and the reversing fixed pulley B are perpendicular to the wheel axes of the ladder frame fixed pulley block A and the ladder frame fixed pulley block B.
Preferably, the limit sensor is a travel switch.
Preferably, the number of winding strands of the traction steel wire rope A between the fixed pulley block A of the ladder frame and the fixed pulley block A of the front girder is 6-10, and the number of winding strands of the traction steel wire rope B between the fixed pulley block B of the ladder frame and the fixed pulley block B of the front girder is 6-10.
The utility model has the following beneficial effects: according to the utility model, the balance weight is arranged, when the rope is broken, the balance weight receives uneven left and right force so as to generate action movement, then the trigger block at the top of the balance weight triggers the limit sensor to work, the limit sensor transmits signals back to the controller, so that the driving device can be controlled to carry out scram, and meanwhile, the electric alarm is triggered to give an alarm, and then faults are displayed in the screen display to be processed; the rope breakage phenomenon can be found in time, and the stopping treatment can be directly carried out, so that equipment and personal risks caused by insufficient rapid response of staff can be avoided.
Drawings
Fig. 1 is a schematic diagram showing a perspective structure of a ship unloader provided with a wire rope breakage detection device according to the present utility model;
FIG. 2 is an enlarged schematic view of the portion A of the ship unloader with the wire rope breakage detection device of the present utility model;
fig. 3 is a schematic diagram of a control flow of the working principle of the ship unloader with the wire rope breakage detection device.
The reference numerals in the drawings are as follows:
1. a stereoscopic frame; 2. a ladder-shaped frame; 3. a front girder; 4. a hinge structure; 5. a pitch drum; 6. a driving device; 7. the fixed pulley block A of the ladder frame; 8. the fixed pulley block B of the ladder frame; 9. a front girder fixed pulley block A; 10. a front girder fixed pulley block B; 11. traction wire rope a; 12. traction wire rope B; 13. a balance weight; 14. a trigger block; 15. a sensor holder; 16. a limit sensor; 17. a reversing fixed pulley A; 18. a reversing fixed pulley B; 19. a controller; 20. a photoelectric alarm.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, a ship unloader with a wire rope breakage detection device comprises a bridge type grab ship unloader main body, wherein the bridge type grab ship unloader main body comprises a main body frame 1, the main body frame 1 is of a square frame structure, a ladder-shaped frame 2 is vertically and fixedly arranged at the front end of the top of the main body frame 1, and a front girder 3 is rotatably arranged at the front side of the main body frame 1 through a hinge structure 4; the top of the main body frame 1 is rotatably provided with a pitching reel 5 and a driving device 6 for driving the pitching reel 5; both sides of the top of the ladder frame 2 are respectively provided with a ladder frame fixed pulley block A7 and a ladder frame fixed pulley block B8; the front girder fixed pulley block A9 and the front girder fixed pulley block B10 are respectively arranged on two sides of the front end of the front girder 3; traction steel wire ropes A11 and traction steel wire ropes B12 are respectively arranged at two ends of the pitching reel 5; the traction steel wire rope A11 turns around the fixed pulley block A7 of the ladder frame and the fixed pulley block A9 of the front girder and is connected to a balance block 13, and the traction steel wire rope B12 turns around the fixed pulley block B8 of the ladder frame and the fixed pulley block B10 of the front girder and is connected to the balance block 13; the balance weight 13 is positioned at the top of the ladder frame 2 and is embedded in a top slot 21 of the ladder frame 2, and moves left and right along with the traction force change of the left and right ends, and the top of the balance weight 13 is provided with a trigger block 14; a sensor bracket 15 is fixedly arranged on one side of the slot 21, two limit sensors 16 are arranged on the sensor bracket 15 at intervals, and the trigger block 14 is positioned between the two limit sensors 16; the limit sensor 16 is electrically connected with a signal input end of the controller 19, and a model output end of the controller 19 is electrically connected with the driving device 6 and the photoelectric alarm 20 at the same time; when the balance weight 13 is subjected to horizontal translation due to different traction forces, the limit sensor 16 is triggered by the trigger block 14, and then a signal is transmitted to the controller 19, so that the driving device 6 can be scram, and meanwhile, the photoelectric alarm 20 can give an alarm to remind an operator.
Further, two sides of the top of the ladder frame 2 are respectively provided with a reversing fixed pulley A17 and a reversing fixed pulley B18, and the wheel axes of the reversing fixed pulley A17 and the reversing fixed pulley B18 are perpendicular to the wheel axes of the ladder frame fixed pulley block A7 and the ladder frame fixed pulley block B8.
Further, the limit sensor 16 is a travel switch, and may be used to control the travel of the terminal and limit the terminal.
Further, the number of winding strands of the traction steel wire rope A11 between the fixed pulley block A7 of the ladder frame and the fixed pulley block A9 of the front girder is 6-10, and the number of winding strands of the traction steel wire rope B12 between the fixed pulley block B8 of the ladder frame and the fixed pulley block B10 of the front girder is 6-10.
The working principle of the utility model is as follows:
in the utility model, during normal operation, the tightness of the traction steel wire rope A is consistent with that of the traction steel wire rope BDE, and the balance weight 13 cannot move in the clamping groove. However, when at least one side of the steel wire ropes on two sides is broken, the tension on two sides of the balance weight 13 is unbalanced, the balance weight 13 is laterally moved and triggers the limit sensor 16 through the trigger block 14 on the top, after the limit sensor 16 is triggered, an electric signal is generated to the controller 19, the controller 19 controls the motor in the driving device 6 to carry out emergency stop, meanwhile, the electric alarm 20 is triggered to work, an alarm is generated, fault information is correspondingly displayed on the screen, and the operation and maintenance personnel can take corresponding emergency measures to avoid safety accidents caused by complete disconnection of the steel wire ropes.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (4)
1. A ship unloader that possesses wire rope breakage detection device, its characterized in that: the ladder type frame comprises a main body frame (1), wherein a ladder type frame (2) is arranged at the top of the main body frame (1), and a front girder (3) is rotatably arranged at the front side of the main body frame (1); the top of the main body frame (1) is rotatably provided with a pitching reel (5) and a driving device (6) for driving the pitching reel (5); both sides of the top of the ladder frame (2) are respectively provided with a ladder frame fixed pulley block A (7) and a ladder frame fixed pulley block B (8); the two sides of the front end of the front girder (3) are respectively provided with a front girder fixed pulley block A (9) and a front girder fixed pulley block B (10); traction steel wire ropes A (11) and traction steel wire ropes B (12) are respectively arranged at two ends of the pitching reel (5); the traction steel wire rope A (11) and the traction steel wire rope B (12) respectively bypass the fixed pulley block A (7) of the ladder frame, the fixed pulley block A (9) of the front girder, the fixed pulley block B (8) of the ladder frame and the fixed pulley block B (10) of the front girder, turn back and are connected to two symmetrical positions of a balance block (13); the balance weight (13) is positioned at the top of the trapezoid frame (2) and is embedded in a top slot (21) of the trapezoid frame (2), and moves left and right along with the traction force change of the left and right ends, and a trigger block (14) is arranged at the top of the balance weight (13); a sensor bracket (15) is fixedly arranged on one side of the slot (21), two limit sensors (16) are arranged on the sensor bracket (15) at intervals, and the trigger block (14) is positioned between the two limit sensors (16); the limit sensor (16) is electrically connected with a signal input end of the controller (19), and a model output end of the controller (19) is electrically connected with the driving device (6) and the photoelectric alarm (20) at the same time.
2. The ship unloader provided with the wire rope breakage detection device according to claim 1, wherein: the two sides of the top of the ladder frame (2) are respectively provided with a reversing fixed pulley A (17) and a reversing fixed pulley B (18), and the wheel axes of the reversing fixed pulley A (17) and the reversing fixed pulley B (18) are perpendicular to the wheel axes of the ladder frame fixed pulley block A (7) and the ladder frame fixed pulley block B (8).
3. The ship unloader provided with the wire rope breakage detection device according to claim 1, wherein: the limit sensor (16) is a travel switch.
4. The ship unloader provided with the wire rope breakage detection device according to claim 1, wherein: the number of winding strands of the traction steel wire rope A (11) between the fixed pulley block A (7) of the ladder frame and the fixed pulley block A (9) of the front girder is 6-10, and the number of winding strands of the traction steel wire rope B (12) between the fixed pulley block B (8) of the ladder frame and the fixed pulley block B (10) of the front girder is 6-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815687.5U CN220364060U (en) | 2023-07-11 | 2023-07-11 | Ship unloader with steel wire rope breakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815687.5U CN220364060U (en) | 2023-07-11 | 2023-07-11 | Ship unloader with steel wire rope breakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220364060U true CN220364060U (en) | 2024-01-19 |
Family
ID=89515544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321815687.5U Active CN220364060U (en) | 2023-07-11 | 2023-07-11 | Ship unloader with steel wire rope breakage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220364060U (en) |
-
2023
- 2023-07-11 CN CN202321815687.5U patent/CN220364060U/en active Active
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