CN216512591U - Steel wire rope looseness detection mechanism and winch - Google Patents
Steel wire rope looseness detection mechanism and winch Download PDFInfo
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- CN216512591U CN216512591U CN202122254538.3U CN202122254538U CN216512591U CN 216512591 U CN216512591 U CN 216512591U CN 202122254538 U CN202122254538 U CN 202122254538U CN 216512591 U CN216512591 U CN 216512591U
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- wire rope
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Abstract
The device comprises a steel wire rope looseness detection mechanism and a winch, wherein a shaft body of a hanger rod shaft is connected with the upper end of a bearing shell through a spring; the detector is fixedly connected with the shaft body of the suspender shaft and can move along with the suspender shaft, and a switch of the detector is contacted with the lower wall of the upper end surface of the bearing shell and sends a running/stopping signal to the motor through the contact/separation of the detector and the lower wall. The utility model has the advantages that: when the load is abnormal, the steel wire rope can be slightly loosened, the contact/separation between the switch of the detector and the bearing shell is used for timely recognition, and the control system can control the motor to stop rotating immediately, so that the faults of steel wire rope damage and the like caused by the continuous work of the winch are avoided, and the safety performance of the equipment is effectively improved.
Description
Technical Field
The utility model relates to the technical field of hoisting machinery, in particular to a steel wire rope looseness detection mechanism and a winch.
Background
The winch is used for lifting loads and can be used for lifting mechanical parts. Generally comprises a motor, a hoisting mechanism (comprising a steel wire rope) and a connecting joint (comprising a crane rod shaft and a bearing shell). The upper end of the connecting joint is connected with a steel wire rope, the steel wire rope is used for lifting and lowering loads under the driving of a motor, and the lower end of the connecting joint is connected with the loads.
At present, most winches on the market often have sudden abnormity due to load when working, but the winches cannot stop running in time, so that the steel wire rope is easily stirred on the roller, the steel wire rope is damaged, and safety accidents such as steel wire rope fracture can also occur seriously.
Disclosure of Invention
The utility model aims to solve the existing problems and provides a steel wire rope looseness detecting mechanism and a winch.
In order to achieve the purpose, the technical scheme adopted by the utility model comprises a hanging rod shaft and a bearing shell, wherein the upper end of the hanging rod shaft is controlled to lift by a steel wire rope driven by a motor, the lower end of the bearing shell is connected with a load, and a shaft body of the hanging rod shaft is connected with the upper end of the bearing shell through a spring; the detector is fixedly connected with the shaft body of the suspender shaft and can move along with the suspender shaft, and a switch of the detector is contacted with the lower wall of the upper end surface of the bearing shell and sends a running/stopping signal to the motor through the contact/separation of the detector and the lower wall.
In some embodiments, the lower end of the shaft body of the suspender shaft is further provided with a convex support, and the upper end of the convex support can be contacted with and abutted against the lower wall of the upper end face of the bearing shell so as to realize bearing.
In some embodiments, the detector is communicatively connected to the control system of the motor via a signal cable or a wireless network; when the bearing shell is pressed down by the load gravity, the switch of the detector is contacted with the lower wall of the upper end surface of the bearing shell, and does not send out a signal; when the bearing shell is loosened and ascends, the switch of the detector is separated from the lower wall of the upper end face of the bearing shell, the switch toggles the poking sheet of the logic circuit of the detector and sends a stop signal to the motor control system, and then the control system turns off the motor.
In some embodiments, the detector is secured to the body of the boom shaft by a mounting block.
In some embodiments, the upper end surface of the bearing shell is provided with a through central hole, and the shaft body of the suspender shaft is arranged in the central hole; a lower section shaft body (the part positioned in the bearing shell) of the hanger shaft is provided with a convex surface which is radially convex, and a groove is arranged in the convex surface; the upper end and the lower end of the spring are respectively connected with the lower wall of the upper end face of the bearing shell and the groove.
In some embodiments, the upper section shaft body (the part extending out of the upper end face of the bearing shell) of the hanger shaft is provided with a clamp spring with an outer diameter larger than that of the central hole, and the clamp spring is arranged in a clamp spring groove so as to realize axial limit on the bearing shell.
In some embodiments, the upper end of the boom shaft is connected to the wire rope by a load bearing pin.
In some embodiments, a rotation-stopping pin shaft for preventing rotation is arranged between the hanger rod shaft and the bearing shell, and a shaft body of the rotation-stopping pin shaft is placed in a corresponding notch on the outer wall of the hanger rod shaft.
The utility model also provides a winch, wherein the motor drives the roller to take up and pay off the steel wire rope, the steel wire rope is connected with the connecting joint bearing the load, and the connecting joint comprises a hanger rod shaft and a bearing shell; the upper end of the hanger rod shaft is controlled to lift by a steel wire rope driven by a motor, and the lower end of the bearing shell is connected with a load; the control system is in communication connection with the motor and controls the start and stop of the motor; the connecting joint further comprises any one of the steel wire rope looseness detection mechanisms.
Compared with the prior art, the utility model has the advantages that: when the load is abnormal, the steel wire rope is slightly loosened, the contact/separation between a switch of the detector and the bearing shell is used for timely identifying the condition, and the switch drives a shifting piece of a logic circuit of the detector to rotate so as to timely send a signal to a control system; the control system can control the motor to stop rotating immediately, so that the faults of damage of the steel wire rope and the like caused by continuous work of the winch are avoided, and the safety performance of the equipment is effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a disengaged state according to an embodiment of the present invention;
FIG. 3 is a schematic view of a contact state according to an embodiment of the present invention;
FIG. 4 is a schematic view of the hoist;
referring to the attached drawings, the hanging rod shaft 1, the convex support 1A, the groove 1B, the clamp spring groove 1C, the bearing shell 2, the central hole 2A, the convex surface 2B, the first step 2C, the contact surface 2D (second step), the detector 3, the spring 4, the clamp spring 5, the mounting block 6, the bearing pin 7 and the rotation stopping pin 8 are arranged on the outer side of the hanging rod shaft;
Detailed Description
The utility model will now be further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, fig. 1 to 3 show an embodiment of the present invention, which mainly includes a boom shaft and a bearing housing, wherein an upper end of the boom shaft is connected to a steel cable through a bearing pin shaft, and a motor drives a drum to unwind and unwind the steel cable to control the lifting. The handle and the hanging ring at the lower end of the bearing shell are connected with a load, a shaft body of the hanging rod shaft is provided with a convex support, and the convex support can be contacted with the bearing shell and is propped against the bearing shell so as to realize bearing. In addition, the shaft body of the hanger rod shaft is connected with the upper end of the bearing shell through a spring.
The detector is fixedly connected with the lower end face of the hanger rod shaft through the mounting block and can move along with the hanger rod shaft. The switch of the detector can be contacted with the lower wall of the upper end surface of the bearing shell; when the handle of the bearing shell is connected with a load, the contact surface of the bearing shell presses the switch; when the load is lost, the bearing shell slightly moves upwards under the driving of the restoring elasticity of the spring, and the sensitive detector switch senses the slight movement and is ejected outwards.
Further, the detector is connected with the control system of the motor through a signal cable (or a wireless network) in a communication way, and can send a running/stopping signal to the control system of the motor through the change of the state of the switch (the contact/separation of the switch and the contact surface).
Referring to fig. 3, the inside of the detector is a logic circuit; when the bearing shell is pressed down by the load gravity, the switch of the detector is contacted with the lower wall (namely the contact surface) of the upper end surface of the bearing shell, and the switch does not move and does not send a signal. Referring to fig. 2, when the load accidentally drops, the load bearing housing suddenly loses weight and slightly moves upwards, the switch of the detector is separated from the lower wall of the upper end face of the load bearing housing and springs outwards, the switch moves to simultaneously shift the shifting piece of the logic circuit of the detector, so that the change of the logic circuit value is triggered, a stop signal is sent to the motor control system, and finally the motor is turned off by the control system.
According to the embodiment, the looseness detection of the steel wire rope is completed through the detector, the spring, the mounting block and other parts, signals are quickly sent to the control system through the signal cable, the control system controls the motor to stop rotating in time, and the host stops running so as to protect the steel wire rope.
Preferably, referring to fig. 1, a through center hole is formed in the upper end surface of the bearing shell, and a shaft body of the boom shaft is arranged in the center hole. The opening part of the central hole is provided with a step structure: the first step serves to hold the upper end of the spring, while the second step serves as the contact surface for the switch of the detector. The lower section shaft body (the part positioned in the bearing shell) of the hanger rod shaft is provided with a convex surface (annular) which protrudes outwards in the radial direction, and the upper end surface of the convex surface is provided with a groove. The upper end and the lower end of the spring in a compressed state are respectively connected with the lower wall of the upper end surface of the bearing shell and the groove.
Further, referring to fig. 1 and fig. 2, the lower end of the convex support of this embodiment is disposed on the edge of the convex surface, and the upper end of the convex support contacts and abuts against the lower wall of the upper end surface of the bearing housing, so as to realize bearing.
Preferably, referring to fig. 1 and 2, the upper section shaft body (the part extending out of the upper end face of the bearing shell) of the hanger shaft is provided with a snap spring with an outer diameter larger than that of the central hole, and the snap spring is arranged in an annular snap spring groove. The clamp spring can be propped against the upper end face of the bearing shell when the bearing shell moves upwards so as to realize axial limiting of the bearing shell.
Preferably, referring to fig. 1 and 2, a rotation stopping pin for preventing rotation is arranged between the boom shaft and the bearing shell, a part of the shaft body of the rotation stopping pin can be placed in a corresponding notch on the outer wall of the boom shaft, and if the boom shaft and the bearing shell rotate relatively, the rotation stopping pin can abut against the notch, so that the cable of the detector can be prevented from being damaged due to rotation.
Referring to fig. 4, the embodiment is a winch, a motor drives a roller to reel and reel a steel wire rope, the steel wire rope is connected with a connection joint bearing load, and the connection joint comprises a hanging rod shaft, a bearing shell, a handle and a hanging ring. The upper end of the lifting rod shaft is controlled to lift by a steel wire rope driven by a motor, and the lifting ring at the lower end of the bearing shell is connected with a load; the control system is in communication connection with the motor and controls the start and stop of the motor; the connecting joint further comprises a steel wire rope looseness detection mechanism in the previous embodiment, and the same technical effects are achieved.
The embodiments of the present invention have been described in conjunction with the accompanying drawings and examples, the structures of which are given by way of illustration and not limitation, and those skilled in the art can make modifications as required, and various changes and modifications can be made within the scope of the appended claims.
Claims (8)
1. The utility model provides a not hard up detection mechanism of wire rope, includes the davit axle, bears the shell, and the upper end of davit axle is gone up and down by motor drive's wire rope control, its characterized in that: the shaft body of the hanger rod shaft is provided with a convex support which can be contacted with the bearing shell and propped against the bearing shell to realize bearing, and the shaft body of the hanger rod shaft is also connected with the upper end of the bearing shell through a spring;
the detector is connected with the suspension rod shaft, a switch of the detector is contacted with the lower wall of the upper end face of the bearing shell, and the detector sends a running/stopping signal to the motor through the contact/separation of the detector and the lower wall.
2. The wire rope looseness detection mechanism of claim 1, wherein: the detector is in communication connection with a control system of the motor through a signal cable or a wireless network; when the bearing shell is pressed down by the load gravity, the switch of the detector is contacted with the lower wall of the upper end surface of the bearing shell, and no signal is sent; when the bearing shell is loosened and ascends, the switch of the detector is separated from the lower wall of the upper end face of the bearing shell, the switch toggles the poking sheet of the logic circuit of the detector and sends a stop signal to the motor control system, and then the control system turns off the motor.
3. The wire rope looseness detection mechanism of claim 1, wherein: the detector is fixed on the shaft body of the hanging rod shaft through the mounting block.
4. A wire rope looseness detection mechanism according to any one of claims 1 to 3, wherein: the upper end surface of the bearing shell is provided with a through center hole, and the shaft body of the suspender shaft is arranged in the center hole; the lower end of the lower section shaft body of the hanger rod shaft is provided with a radially outward convex surface, and a groove is formed in the convex surface; the upper end and the lower end of the spring are respectively connected with the bearing shell and the groove.
5. The wire rope looseness detection mechanism of claim 4, wherein: the upper section shaft body of the hanger rod shaft is provided with a clamp spring with the outer diameter larger than the central hole.
6. The wire rope looseness detection mechanism of claim 1, wherein: the upper end of the hanger rod shaft is connected with a steel wire rope through a bearing pin shaft.
7. The wire rope looseness detection mechanism of claim 1, wherein: and a rotation stopping pin shaft for preventing rotation is further arranged between the hanger rod shaft and the bearing shell, and the shaft body of the rotation stopping pin shaft is arranged in a notch corresponding to the outer wall of the hanger rod shaft.
8. The utility model provides a hoist engine, by motor drive cylinder receive and release wire rope, wire rope is connected with the attach fitting who bears load, its characterized in that: the connecting joint comprises a hanger rod shaft and a bearing shell; the upper end of the hanger rod shaft is controlled to lift by a steel wire rope driven by a motor, and the lower end of the bearing shell is connected with a load; the control system is in communication connection with the motor and controls the start and stop of the motor; the connection joint further comprises a slack rope detection mechanism according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122254538.3U CN216512591U (en) | 2021-09-17 | 2021-09-17 | Steel wire rope looseness detection mechanism and winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122254538.3U CN216512591U (en) | 2021-09-17 | 2021-09-17 | Steel wire rope looseness detection mechanism and winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216512591U true CN216512591U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122254538.3U Active CN216512591U (en) | 2021-09-17 | 2021-09-17 | Steel wire rope looseness detection mechanism and winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216512591U (en) |
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2021
- 2021-09-17 CN CN202122254538.3U patent/CN216512591U/en active Active
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