CN116750649A - Compensating device and control method for crane steel wire rope winding system - Google Patents
Compensating device and control method for crane steel wire rope winding system Download PDFInfo
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- CN116750649A CN116750649A CN202311045533.7A CN202311045533A CN116750649A CN 116750649 A CN116750649 A CN 116750649A CN 202311045533 A CN202311045533 A CN 202311045533A CN 116750649 A CN116750649 A CN 116750649A
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- wire rope
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- crane
- steel wire
- winding system
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- 238000004804 winding Methods 0.000 title claims abstract description 79
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 67
- 239000010959 steel Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 63
- 230000009471 action Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 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
- 238000004260 weight control Methods 0.000 description 1
Classifications
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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
- B66C13/16—Applications of indicating, registering, or weighing devices
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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
- B66C15/00—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a compensation device and a control method of a crane steel wire rope winding system, which relate to the technical field of cranes and are used for the crane steel wire rope winding system and comprise the following steps: the fixed mount is arranged on a crane trolley frame or a lifting appliance; the balance body is hinged on the fixed frame, two ends of the balance body can rotate around the hinge point, two ends of the balance body are respectively provided with a steel wire rope connecting part, one ends of the two steel wire ropes are respectively wound on the winding drum, and the other ends of the two steel wire ropes are respectively connected to the two steel wire rope connecting parts by bypassing the winding drum, the fixed pulley block and the movable pulley block; a detection unit for detecting rotation of the balance body; and the control unit is respectively connected with the detection unit and the control system of the crane and is used for judging whether the rotation angle of the balance body reaches a preset angle or not, and if so, the control unit sends a signal to the control system so as to enable the control system to control the wire rope winding system to stop acting. The invention can compensate the length of the steel wire rope and monitor the compensation state so as to stop the system operation when the compensation fails.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a compensating device and a control method for a crane steel wire rope winding system.
Background
The existing crane hoisting mechanism generally adopts a steel wire rope winding system, and the steel wire rope winding system mainly comprises: the lifting device comprises a winding drum, a fixed pulley block, a lifting device group and steel wire ropes, wherein the winding drum and the fixed pulley block are fixedly arranged on a crane trolley frame, the lifting device group comprises a lifting device and a movable pulley block arranged on the lifting device, the steel wire ropes comprise two, one ends of the two steel wire ropes are respectively wound on the winding drum, and the other ends of the two steel wire ropes respectively bypass the winding drum, the fixed pulley block and the movable pulley block in sequence and are connected to the crane trolley frame or the lifting device.
When the existing steel wire rope winding system is used, if the actual working lengths of the two steel wire ropes are different, unbalanced load can occur to the winding system, and the lifting appliance can incline, so that safety accidents can be caused. And after unbalanced load occurs, the loss of each part of the winding system caused by different stress is also different, so that part of the parts are quickly worn, and the service life of the winding system is reduced.
Disclosure of Invention
In order to solve part or all of the technical problems in the prior art, the invention provides a compensating device and a control method for a crane steel wire rope winding system.
The technical scheme of the invention is as follows:
in a first aspect, there is provided a crane wire rope winding system compensation device for a crane wire rope winding system, the crane wire rope winding system comprising: reel, fixed pulley group, hoist group and wire rope, the reel with the fixed pulley group is installed on the hoist dolly, the hoist group includes the hoist and installs the movable pulley group on the hoist, wire rope includes two, compensation arrangement includes:
the fixed frame is arranged on the crane trolley frame or the lifting appliance;
the balance body is hinged on the fixed frame, two ends of the balance body can rotate around a hinge point, two ends of the balance body are respectively provided with a steel wire rope connecting part, one ends of two steel wire ropes are respectively wound on the winding drum, and the other ends of the two steel wire ropes bypass the winding drum, the fixed pulley block and the movable pulley block and are respectively connected to the two steel wire rope connecting parts;
a detection unit for detecting rotation of the balance body;
and the control unit is respectively connected with the detection unit and the control system of the crane and is used for judging whether the rotation angle of the balance body reaches a preset angle according to the detection information of the detection unit, and if so, the control unit sends a signal to the control system so as to enable the control system to control the crane steel wire rope winding system to stop acting.
In some possible implementations, if the fixing frame is mounted on the crane trolley frame, the detecting unit is a rotation angle sensor;
the rotation angle sensor is arranged on the balance body and used for detecting the rotation angle of the balance body.
In some possible implementations, if the fixing frame is mounted on the crane trolley frame, the detection unit is a proximity switch;
the proximity switch is arranged on the crane trolley frame, and when the balance body rotates to the preset angle, the proximity switch triggers the action.
In some possible implementations, if the fixing frame is mounted on the hanger, the detecting unit is configured to detect the relative positions of the two wire rope connection portions at two ends of the balance body.
In some possible implementations, the detection unit is a laser rangefinder or a pull wire encoder;
the laser range finders comprise two, one of the receiving end and the transmitting end of the laser range finders is arranged on the crane trolley frame, the other of the receiving end and the transmitting end of the laser range finders is arranged on one steel wire rope connecting part of the balance body, one of the receiving end and the transmitting end of the other laser range finders is arranged on the crane trolley frame, and the other of the receiving end and the transmitting end of the other laser range finders is arranged on the other steel wire rope connecting part of the balance body;
the wire pulling encoders comprise two wire pulling encoders which are respectively arranged on the crane trolley frame, and the wire pulling of the two wire pulling encoders is respectively connected with the two wire rope connecting parts.
In some possible implementations, the balance weight control device further comprises an alarm, wherein the control unit is connected with the alarm and is further used for controlling the alarm to alarm when the rotation angle of the balance weight reaches a preset angle.
In some possible implementations, the control unit is a functional module of the control system.
In a second aspect, there is also provided a control method for a crane wire rope winding system, the method being implemented by using the crane wire rope winding system compensation device, including:
in response to the operation of the crane hoisting mechanism, detecting the rotation of the balance body in real time by using a detection unit;
judging whether the rotation angle of the balance body reaches a preset angle according to the detection information of the detection unit;
and if the preset angle is reached, controlling the crane wire rope winding system to stop acting.
In some possible implementations, if the detection information includes a rotation angle of the balance body, determining whether the rotation angle of the balance body reaches a preset angle according to the detection information of the detection unit includes:
and calculating a difference value between the rotation angle in the detection information and a preset angle, and judging that the rotation angle of the balance body reaches the preset angle if the difference value is within a preset angle deviation range.
In some possible implementations, if the detection information includes a relative position of two wire rope connection portions, determining, according to the detection information of the detection unit, whether the rotation angle of the balancing body reaches a preset angle includes:
if the relative positions of the two steel wire rope connecting parts are within the preset distance deviation range, judging that the rotation angle of the balance body reaches the preset angle.
The technical scheme of the invention has the main advantages that:
the compensation device and the control method of the crane steel wire rope winding system can compensate the length of the steel wire rope winding system so as to ensure that each part of the steel wire rope winding system is stressed stably and the lifting appliance is lifted stably; meanwhile, the compensation state of the compensation device can be monitored in real time, the operation of the steel wire rope winding system is stopped in time when the compensation fails, the condition that the steel wire rope winding system still continues to lift when the compensation device is in super compensation is prevented, and the operation safety and stability of the steel wire rope winding system are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and without limitation to the invention. In the drawings:
fig. 1 is a schematic structural view of a compensating device of a crane wire rope winding system according to an embodiment of the present invention, in which a detecting unit and a control unit are not shown;
FIG. 2 is a schematic structural view of another compensating device for a crane wire rope winding system according to an embodiment of the present invention, wherein a detecting unit and a control unit are not shown;
FIG. 3 is a schematic diagram of a crane wire rope winding system equipped with a compensating device according to an embodiment of the invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic diagram of the installation of the compensating device of the crane wire rope winding system shown in FIG. 1, wherein a detection unit is also shown;
FIG. 6 is a schematic view of the compensating device of the crane wire rope winding system shown in FIG. 5 in another operating state;
FIG. 7 is a schematic diagram of the installation of the compensating device of the crane wire rope winding system shown in FIG. 2, wherein a detection unit is also shown;
FIG. 8 is a schematic view of the compensating device of the crane wire rope winding system shown in FIG. 7 in another operating state;
fig. 9 is a flowchart of a control method of a crane wire rope winding system according to an embodiment of the invention.
Reference numerals illustrate:
the device comprises a 1-winding drum, a 2-fixed pulley block, a 3-lifting tool group, a 31-lifting tool, a 32-movable pulley block, a 4-steel wire rope, a 5-crane trolley frame, a 6-fixing frame, a 7-balance body, an 8-steel wire rope connecting part, a 9-proximity switch and a 10-stay wire encoder.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The following describes in detail the technical scheme provided by the embodiment of the invention with reference to the accompanying drawings.
1-4, an embodiment of the present invention provides a crane wire rope winding system compensation device for a crane wire rope winding system, the crane wire rope winding system comprising: reel 1, crown block 2, hoist group 3 and wire rope 4, reel 1 and crown block 2 install on hoist dolly 5, and hoist group 3 includes hoist 31 and installs the movable pulley group 32 on hoist 31, and wire rope 4 includes two, and compensation arrangement includes:
the fixed frame 6 is arranged on the crane trolley frame 5 or the lifting appliance 31;
the balance body 7 is hinged on the fixed frame 6, two ends of the balance body 7 can rotate around a hinge point, two ends of the balance body 7 are respectively provided with a steel wire rope connecting part 8, one ends of two steel wire ropes 4 are respectively wound on the winding drum 1, and the other ends of the two steel wire ropes 4 are respectively connected to the two steel wire rope connecting parts 8 by bypassing the winding drum 1, the fixed pulley block 2 and the movable pulley block 32;
a detection unit for detecting rotation of the balance body 7;
and the control unit is respectively connected with the detection unit and the control system of the crane and is used for judging whether the rotation angle of the balance body 7 reaches a preset angle according to the detection information of the detection unit, and if so, the control unit sends a signal to the control system so as to enable the control system to control the crane wire rope winding system to stop acting.
When the compensation device provided by the embodiment of the invention is used, the working states of the steel wire ropes at two sides of the steel wire rope winding system can be different in the operation process of the lifting mechanism, so that the actual working lengths of the steel wire ropes at two sides are also different, and when one side of the steel wire ropes is shorter than the other side of the steel wire ropes, the balance body 7 can rotate towards the side around the hinging point, so that the length compensation of the steel wire ropes is realized, the steel wire rope winding system is ensured to be stressed stably, and the lifting appliance does not swing.
Meanwhile, because of the limitation of the installation mode and the installation position, the rotatable angle of the balance body 7 is limited, the length of the steel wire rope which can be compensated by the balance body 7 is limited, if the actually required compensation quantity exceeds the compensation range of the compensation device, the balance body 7 is blocked, the length compensation cannot be completely realized, and the unbalanced load and the inclination of the lifting appliance occur in the steel wire rope winding system. In order to avoid the situation that the actually required compensation quantity exceeds the compensation range of the compensation device to cause unbalanced load of the steel wire rope winding system and inclination of the lifting appliance, in the operation process of the lifting mechanism, the detection unit is utilized to real-time balance body 7 to rotate and send detection information to the control unit, the control unit is utilized to judge whether the rotation angle of the balance body 7 reaches a preset angle in real time according to the detection information, if so, a signal is sent to the control system to enable the control system to control the crane steel wire rope winding system to stop, and the situation that the steel wire rope winding system is damaged due to unbalanced load and inclination of the lifting appliance is avoided.
The preset angle is determined according to the actual rotatable angle range of the balance body 7, so that the preset angle is ensured not to exceed the maximum rotatable angle of the balance body 7.
Further, in an embodiment of the present invention, when the fixing frame 6 is mounted on the crane trolley frame 5, in order to facilitate determining whether the rotation angle of the balance body 7 reaches the preset angle, as an example, the detecting unit is a rotation angle sensor, and the rotation angle sensor is mounted on the balance body 7 and is used for detecting the rotation angle of the balance body 7.
Referring to fig. 5 to 6, as another example, the detection unit is a proximity switch 9, the proximity switch 9 is mounted on the crane trolley 5, and the proximity switch 9 triggers an action when the balance 7 is rotated to a preset angle.
Specifically, when the control unit receives that the difference between the rotation angle sent by the rotation angle sensor and the preset angle is within the preset angle deviation range, it is determined that the rotation angle of the balance body 7 reaches the preset angle. When the control unit receives the trigger signal sent by the proximity switch 9, it is judged that the rotation angle of the balance body 7 reaches a preset angle.
When the fixing frame 6 is mounted on the crane trolley frame 5, whether the rotation angle of the balance body 7 reaches the preset angle can be conveniently and accurately judged by adopting the rotation angle sensor or the proximity switch 9 as a detection unit. The installation position of the proximity switch 9 is determined according to the actual situation, so that the proximity switch 9 just triggers the action when the balance body 7 rotates to a preset angle.
Further, in an embodiment of the present invention, when the fixing frame 6 is mounted on the hanger 31, in order to facilitate determining whether the rotation angle of the balance body 7 reaches the preset angle, the detecting unit is used for detecting the relative positions of the two wire rope connecting portions 8 at the two ends of the balance body 7.
Specifically, when the control unit receives that the relative positions of the two wire rope connecting portions 8 sent by the detection unit are within the preset distance deviation range, it is determined that the rotation angle of the balance body 7 reaches the preset angle. The preset distance deviation range is determined according to the actual position deviation of the two corresponding steel wire rope connecting parts 8 when the balance body 7 is at the preset angle.
Here, how the relative positions of the two wire rope connection portions 8 at both ends of the balance weight 7 are detected by the detection means is exemplified as follows:
as an example, the detection unit is a laser range finder, the laser range finder includes two, one of a receiving end and a transmitting end of one laser range finder is mounted on the crane trolley frame 5, the other of the receiving end and the transmitting end of one laser range finder is mounted on one wire rope connecting portion 8 of the balance body 7, one of the receiving end and the transmitting end of the other laser range finder is mounted on the crane trolley frame 5, and the other of the receiving end and the transmitting end of the other laser range finder is mounted on the other wire rope connecting portion 8 of the balance body 7.
By measuring the relative distance between the mounting position of the laser rangefinder on the crane trolley 5 and its corresponding wire rope connection 8 by means of the laser rangefinder, the relative positions of the two wire rope connection 8 at the two ends of the balance body 7 during rotation can be obtained. Specifically, the difference between the measured values of the two laser rangefinders is the relative position of the two wire rope connecting portions 8.
Referring to fig. 7 to 8, as another example, the detecting unit is a wire encoder 10, the wire encoder 10 includes two wire encoders 10, the two wire encoders 10 are respectively mounted on the crane trolley 5, and the wires of the two wire encoders 10 are respectively connected to the two wire rope connecting portions 8.
By measuring the relative distance between the installation position of the wire encoder 10 on the crane trolley 5 and its corresponding wire rope connection 8 (e.g., HA and HB in fig. 7-8) by means of the wire encoder 10, the relative positions of the two wire rope connection 8 at both ends of the counterweight 7 during rotation thereof can be obtained. Specifically, the difference between the measured values of the two wire encoders 10 is the relative position of the two wire rope connecting portions 8.
Further, in an embodiment of the present invention, the compensation device further includes an alarm, and the control unit is connected to the alarm, and is further configured to control the alarm to alarm when the rotation angle of the balance body 7 reaches a preset angle.
Through setting up the alarm to when the rotation angle of balancing body 7 reached the angle of predetermineeing, the control alarm was reported to the police, can in time remind the staff to handle.
Further, in an embodiment of the present invention, the control unit may be an external controller, such as a PLC, or may be a functional module of the crane control system.
In a second aspect, referring to fig. 9, an embodiment of the present invention further provides a control method for a crane wire rope winding system, where the method is implemented by using the compensation device for a crane wire rope winding system, and the method includes:
in response to the operation of the crane hoisting mechanism, detecting the rotation of the balance body 7 in real time by using a detection unit;
judging whether the rotation angle of the balance body 7 reaches a preset angle according to the detection information of the detection unit;
and if the preset angle is reached, controlling the crane wire rope winding system to stop acting.
Specifically, in response to the operation of the crane hoisting mechanism, the rotation of the balance body 7 is detected in real time by using the detection unit, detection information is sent to the control unit, whether the rotation angle of the balance body 7 reaches a preset angle is judged in real time by using the control unit according to the detection information of the detection unit, if the rotation angle reaches the preset angle, a signal is sent to the control system by using the control unit so that the control system controls the crane wire rope winding system to stop acting, and unbalanced load and lifting appliance inclination of the crane wire rope winding system are avoided.
Further, in an embodiment of the present invention, based on the specifically set compensation device, the detection information may be a rotation angle of the balance body 7 or a relative position of two wire rope connection portions of the balance body.
If the detection information includes the rotation angle of the balance body 7, determining whether the rotation angle of the balance body 7 reaches the preset angle according to the detection information of the detection unit includes: and calculating a difference value between the rotation angle in the detection information and a preset angle, and judging that the rotation angle of the balance body 7 reaches the preset angle if the difference value is within a preset angle deviation range.
If the detection information includes the relative positions of the two wire rope connecting portions 8, determining whether the rotation angle of the balance body reaches the preset angle according to the detection information of the detection unit includes: if the relative positions of the two steel wire rope connecting parts 8 are within the preset distance deviation range, the rotation angle of the balance body 7 is judged to reach the preset angle.
The preset angle deviation range and the preset distance deviation range are determined according to actually possible measurement deviations.
The compensating device and the control method for the crane steel wire rope winding system provided by the embodiment of the invention can compensate the length of the steel wire rope winding system so as to ensure that each part of the steel wire rope winding system is stressed stably and the lifting appliance is lifted stably; meanwhile, the compensation state of the compensation device can be monitored in real time, the operation of the steel wire rope winding system is stopped in time when the compensation fails, the condition that the steel wire rope winding system still continues to lift when the compensation device is in super compensation is prevented, and the operation safety and stability of the steel wire rope winding system are improved.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In this context, "front", "rear", "left", "right", "upper" and "lower" are referred to with respect to the placement state shown in the drawings.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting thereof; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A compensating device for a crane wire rope winding system, the compensating device being used in a crane wire rope winding system comprising: reel, fixed pulley group, hoist group and wire rope, the reel with the fixed pulley group is installed on the hoist dolly, the hoist group includes the hoist and installs the movable pulley group on the hoist, wire rope includes two, compensation arrangement includes:
the fixed frame is arranged on the crane trolley frame or the lifting appliance;
the balance body is hinged on the fixed frame, two ends of the balance body can rotate around a hinge point, two ends of the balance body are respectively provided with a steel wire rope connecting part, one ends of two steel wire ropes are respectively wound on the winding drum, and the other ends of the two steel wire ropes bypass the winding drum, the fixed pulley block and the movable pulley block and are respectively connected to the two steel wire rope connecting parts;
a detection unit for detecting rotation of the balance body;
and the control unit is respectively connected with the detection unit and the control system of the crane and is used for judging whether the rotation angle of the balance body reaches a preset angle according to the detection information of the detection unit, and if so, the control unit sends a signal to the control system so as to enable the control system to control the crane steel wire rope winding system to stop acting.
2. The compensating device of a crane wire rope winding system according to claim 1, wherein if the fixing frame is mounted on the crane trolley, the detecting unit is a rotation angle sensor;
the rotation angle sensor is arranged on the balance body and used for detecting the rotation angle of the balance body.
3. The crane wire rope winding system compensation device according to claim 1, wherein the detection unit is a proximity switch if the mount is mounted on the crane trolley;
the proximity switch is arranged on the crane trolley frame, and when the balance body rotates to the preset angle, the proximity switch triggers the action.
4. The compensating apparatus of claim 1, wherein the detecting unit is configured to detect the relative positions of the two wire rope connecting portions at both ends of the balance body if the fixing frame is mounted on the hanger.
5. The crane wire rope winding system compensation device according to claim 4, wherein the detection unit is a laser range finder or a stay wire encoder;
the laser range finders comprise two, one of the receiving end and the transmitting end of the laser range finders is arranged on the crane trolley frame, the other of the receiving end and the transmitting end of the laser range finders is arranged on one steel wire rope connecting part of the balance body, one of the receiving end and the transmitting end of the other laser range finders is arranged on the crane trolley frame, and the other of the receiving end and the transmitting end of the other laser range finders is arranged on the other steel wire rope connecting part of the balance body;
the wire pulling encoders comprise two wire pulling encoders which are respectively arranged on the crane trolley frame, and the wire pulling of the two wire pulling encoders is respectively connected with the two wire rope connecting parts.
6. The crane wire rope winding system compensation device according to claim 1, further comprising an alarm, wherein the control unit is connected with the alarm, and is further configured to control the alarm to alarm when the rotation angle of the balance body reaches a preset angle.
7. The crane wire rope winding system compensation device according to any one of claims 1-6, wherein the control unit is a functional module of the control system.
8. A crane wire rope winding system control method, characterized in that the method is implemented with a crane wire rope winding system compensation device according to any one of claims 1-7, comprising:
in response to the operation of the crane hoisting mechanism, detecting the rotation of the balance body in real time by using a detection unit;
judging whether the rotation angle of the balance body reaches a preset angle according to the detection information of the detection unit;
and if the preset angle is reached, controlling the crane wire rope winding system to stop acting.
9. The method of claim 8, wherein if the detection information includes a rotation angle of the balance body, determining whether the rotation angle of the balance body reaches a preset angle according to the detection information of the detection unit includes:
and calculating a difference value between the rotation angle in the detection information and a preset angle, and judging that the rotation angle of the balance body reaches the preset angle if the difference value is within a preset angle deviation range.
10. The method according to claim 8, wherein if the detection information includes a relative position of two wire rope connection parts, determining whether the rotation angle of the balance body reaches a preset angle according to the detection information of the detection unit includes:
if the relative positions of the two steel wire rope connecting parts are within the preset distance deviation range, judging that the rotation angle of the balance body reaches the preset angle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311045533.7A CN116750649B (en) | 2023-08-18 | 2023-08-18 | Compensating device and control method for crane steel wire rope winding system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311045533.7A CN116750649B (en) | 2023-08-18 | 2023-08-18 | Compensating device and control method for crane steel wire rope winding system |
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| CN116750649B CN116750649B (en) | 2023-11-07 |
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| CN214192288U (en) * | 2021-08-03 | 2021-09-14 | 河南卫华重型机械股份有限公司 | Crane with rapid detection and automatic leveling functions |
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| CN214653111U (en) * | 2021-05-13 | 2021-11-09 | 河南省大方重型机器有限公司 | Rope breakage detection device of unmanned crane |
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| CN116588805A (en) * | 2023-04-26 | 2023-08-15 | 太原重工股份有限公司 | Passively adjusting horizontal guide wheel device |
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