CN-224212302-U - Center current collector twist-off induction installation device and crane

CN224212302UCN 224212302 UCN224212302 UCN 224212302UCN-224212302-U

Abstract

The utility model provides a central current collector twist-off induction mounting device and a crane, and belongs to the technical field of cranes. The technical scheme of the central current collector twist-off induction installation device is that the central current collector twist-off induction installation device comprises a telescopic universal coupling and a twist-off induction mechanism, wherein the twist-off induction mechanism comprises a first induction module, a second induction module and an early warning module, the first induction module is connected with the early warning module, the first induction module is connected with a first mounting frame, the second induction module is connected with a second mounting frame, the positions of the first induction module and the second induction module are relatively inducted, when the first induction module and the second induction module are relatively displaced, the first induction module transmits signals to the early warning module, and the early warning module sends early warning information. According to the utility model, relative displacement occurs between the first sensing module and the second sensing module, the early warning module sends out early warning information, so that further expansion of accidents is avoided, the working safety is improved, the time is effectively strived for maintenance, and the maintenance cost is reduced.

Inventors

CHEN LIDA
SUN HOUJIANG
SUN HUA
XU HAITAO
JIN XIN
Luan ning
TAN WENHAO
HAN XIAO
SUN YUHAI

Assignees

山东陆海装备集团青岛有限公司

Dates

Publication Date: 20260508
Application Date: 20250516

Claims (9)

1. The utility model provides a center power receiver twists off response installation device for connect upper portion connecting rod and center power receiver, including scalable universal joint, its characterized in that still includes twists off response mechanism, scalable universal joint is equipped with relative first end and second end, first end pass through first mounting bracket with upper portion connecting rod fixed connection, the second end pass through the second mounting bracket with center power receiver fixed connection, twists off response mechanism includes first response module, second response module and early warning module, first response module with early warning module connects, first response module with first mounting bracket is connected, second response module with second mounting bracket is connected, just first response module with second response module's position is relative to be responded to first response module with when second response module appears relative displacement, first response module to early warning module transmits the signal for early warning module early warning information.
2. The device for installing the central power receiver in a twisted-off induction manner according to claim 1, wherein the first induction module comprises a proximity switch, the second induction module is provided with an induction rod body, one end of the induction rod body is fixedly connected with the second installation frame, and the other end of the induction rod body is opposite to the proximity switch.
3. The device for installing the central current collector in a twist-off induction way according to claim 2, wherein the distance between the proximity switch and the induction rod body is 10-20mm.
4. A central current collector twist-off induction mounting device according to claim 3 wherein the distance between the induction rod and the telescopic universal joint is 103-130mm.
5. The center current collector twist-off induction installation device according to claim 2, wherein the first installation frame is connected with a first fixing frame, the first fixing frame comprises a first section and a second section which are connected, the extending direction of the first section is vertical to the extending direction of the second section, the first section is fixedly connected with the first installation frame, the second section extends along the axial direction of the telescopic universal coupling, one end of the second section is provided with a fixing groove, the proximity switch is fixed in the fixing groove, the second installation frame is connected with a second fixing frame, the second fixing frame extends along the radial direction of the telescopic universal coupling, and one end of the induction rod body is fixed in the second fixing frame.
6. The center current collector twist-off induction installation device according to claim 5, wherein the first installation frame comprises a first cross beam, a second cross beam and at least two first vertical rods, the two first vertical rods are arranged at intervals in parallel, the extending direction of the first vertical rods is consistent with the axial direction of the telescopic universal coupling, the first cross beam and the second cross beam are respectively fixed at two axial ends of the first vertical rods, the first cross beam is fixedly connected with the upper connecting rod, the second cross beam is fixedly connected with the telescopic universal coupling, and the first section is fixedly connected with the second cross beam.
7. The center current collector torsion-breaking induction installation device according to claim 5, wherein the second installation frame comprises a third beam, a fourth beam and at least two second vertical rods, the two second vertical rods are arranged at intervals in parallel, the extending direction of the second vertical rods is consistent with the axial direction of the telescopic universal coupling, the third beam and the fourth beam are respectively fixed at two axial ends of the second vertical rods, the third beam is fixedly connected with the center current collector, the fourth beam is fixedly connected with the telescopic universal coupling, and the second fixing frame is fixedly connected with the fourth beam.
8. The central power receiver twist-off induction installation device according to claim 1, wherein the early warning module comprises a controller and an alarm, the first induction module and the alarm are connected with the controller, the controller is connected with a crane, the controller receives the signal transmitted by the first induction module and controls the crane to stop, and the controller controls the alarm to send alarm information.
9. A crane comprising a central current collector, an upper coupling rod and a central current collector twist-off induction mounting device as claimed in any one of claims 1 to 8, said central current collector being fixedly connected to said second mounting frame, said upper coupling rod being fixedly connected to said first mounting frame.

Description

Center current collector twist-off induction installation device and crane Technical Field The utility model relates to the technical field of cranes, in particular to a central current collector twist-off induction installation device and a crane. Background Portal cranes, commonly known as "portal cranes", are widely used in the port, dock and industrial fields. The portal crane refers to a crane conventionally used at the front edge of a port and a wharf, and is provided with four mechanisms for lifting, rotating, luffing and operating in cooperation. The cargo handling device is mainly used for cargo handling in ports and open-air storage yards. The construction of a gantry crane can be largely divided into two main parts, an upper swivel part and a lower non-swivel part. The central current collector is one of key components of the gantry crane and is responsible for transmitting power and signals when the gantry crane performs circular motion, and the central current collector has the characteristics of power and signal transmission, high integration, intelligent control, high reliability and the like. The situation that the central current collector coupling is twisted off occurs in the operation process of the portal crane, but the early warning device after the central current collector coupling is twisted off is lacking at present, so that a driver cannot find the twisting off situation at the first time, the portal crane works continuously, the accident is easily further expanded, the crane is damaged, the cargo is easily caused to fall off, and the risk of falling off exists, so that the portal crane has great potential safety hazard. Disclosure of utility model Aiming at the problem that the existing crane lacks a coupler twist-off early warning structure and has potential safety hazards, the utility model provides a central current collector twist-off induction installation device. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a torsion-off induction installation device of a central current collector, which is used for connecting an upper connecting rod with the central current collector and comprises a telescopic universal coupling and a torsion-off induction mechanism, wherein the telescopic universal coupling is provided with a first end and a second end which are opposite, the first end is fixedly connected with the upper connecting rod through a first mounting frame, the second end is fixedly connected with the central current collector through a second mounting frame, the torsion-off induction mechanism comprises a first induction module, a second induction module and an early warning module, the first induction module is connected with the first mounting frame, the second induction module is connected with the second mounting frame, the positions of the first induction module and the second induction module are in opposite induction, and when the first induction module and the second induction module are in relative displacement, the first induction module transmits signals to the early warning module so that the early warning module sends early warning information. Further, the first sensing module comprises a proximity switch, the second sensing module is provided with a sensing rod body, one end of the sensing rod body is fixedly connected with the second mounting frame, and the other end of the sensing rod body is opposite to the position of the proximity switch. Further, the distance between the proximity switch and the sensing rod body is 10-20mm. Further, the distance between the sensing rod body and the telescopic universal coupling is 103-130mm. Further, the first mounting bracket is connected with first mount, and first mount is including the first section and the second section that are connected, and the extending direction of first section and second section is mutually perpendicular, and first section and first mounting bracket fixed connection, the axial extension of scalable universal joint are followed to the second section, and the one end of second section is equipped with the fixed slot, and proximity switch fixes at the fixed slot, and the second mounting bracket is connected with the second mount, and the radial extension of scalable universal joint is followed to the second mount, and the one end of response body of rod is fixed at the second mount. Further, the first mounting bracket includes first crossbeam, second crossbeam and two at least first montants, and two first montants parallel interval sets up, and the extending direction of first montant is unanimous with scalable universal joint's axial, and first crossbeam, second crossbeam are fixed respectively at the axial both ends of first montant, and first crossbeam and upper portion connecting rod fixed connection, second crossbeam and scalable universal joint fixed connection, first section and second crossbeam fixed conn