CD type electric hoist steel wire rope rapid replacement structure

By setting perforations and strip holes on the winch drum of the electric hoist, and combining them with a fixing pin structure, the replacement process of the wire rope of the CD type electric hoist is simplified, solving the problems of long time consumption and safety risks of traditional replacement methods, and realizing fast and safe wire rope replacement.

CN223906427UActive Publication Date: 2026-02-13CRRC SHENYANG CO LTD
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Patent Information

Application Number
CN202520993936.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-19
Publication Date
2026-02-13
Estimated Expiration
2035-05-19

AI Technical Summary

Technical Problem

The existing CD-type electric hoist wire rope replacement process is cumbersome, time-consuming, affects production progress, and poses safety risks associated with working at height.

Method used

By setting perforations and strip holes on the electric hoist drum, combined with a fixing pin structure, the installation and disassembly process of the wire rope is simplified, so that the replacement of the wire rope can be completed independently without disassembling the motor.

Benefits of technology

It enables quick replacement of wire ropes, lowers the technical threshold for maintenance, improves work efficiency, avoids the risk of falling objects from heights, and ensures safety.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a CD-type electric hoist steel wire rope quick replacement structure which is suitable for a CD-type electric hoist, a barrel body of a winding barrel of the electric hoist is provided with a through hole for a lock sleeve at the end of a steel wire rope to penetrate through, and one side of the through hole is communicated with a strip-shaped hole for clamping the steel wire rope. The penetrating holes and the strip-shaped holes correspond to rope holes, allowing steel wire ropes to penetrate through, in the electric hoist shell, so that the penetrating holes and the strip-shaped holes can rotate to the rope holes along with the winding drum, and a steel wire rope positioning structure is further arranged on the winding drum. The structure is simple, the operation steps for replacing the steel wire rope are simplified, others' help is not needed, and the maintenance technical threshold is lowered.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field, concretely relates to a CD type electric hoist wire rope quick replacement structure. BACKGROUND

[0002] The rotary jib crane is used as the transfer equipment between processes and plays an important role in production. The CD type electric hoist as the vertical lifting equipment of the rotary jib crane works by driving the hoist to wind the wire rope to realize the rapid lifting and landing of the workpiece. Since the hoist works by relying on the friction of the wire rope in the drum to accurately stop the workpiece at the specified height, the wire rope is prone to damage such as burr and broken strand after a period of use. To ensure the safety of the rotary jib crane, the wire rope must be replaced in time once the above problems are found to avoid possible safety accidents.

[0003] The traditional electric hoist replacement wire rope maintenance method is to disconnect the motor power line and disassemble the motor. Since the lock sleeve of the wire rope is in the hoist, the old wire rope can only be pulled out from the installation hole of the hoist in reverse to take out the old wire rope. Then the new wire rope is inserted from the installation hole, and finally the lock sleeve is locked. As can be seen, the time required to replace the wire rope is long, which seriously affects the normal process advancement, and the worker is in a high place for a long time, which has a high safety risk. INVENTION CONTENTS

[0004] The utility model aims at solving the technical problems existing in the prior art and particularly innovatively provides a CD type electric hoist wire rope quick replacement structure, which has a simple structure, simplifies the operation steps during replacement of the wire rope, does not require assistance of others, and reduces the maintenance technical threshold.

[0005] To achieve the above purpose, the utility model provides a CD type electric hoist wire rope quick replacement structure suitable for the CD type electric hoist. The drum of the hoist is provided with a through hole through which the lock sleeve of the end of the wire rope passes. One side of the through hole is communicated with a strip-shaped hole for clamping the wire rope. The through hole and the strip-shaped hole are arranged corresponding to the rope hole on the shell of the electric hoist through which the wire rope passes, so that the through hole and the strip-shaped hole can be rotated to the rope hole with the drum. The drum is further provided with a wire rope positioning structure.

[0006] In the above scheme, the strip-shaped hole extends along the circumference of the drum, and the extension direction of the strip-shaped hole is opposite to the extension direction of the drum.

[0007] The steel wire rope positioning structure is a through hole arranged outside the strip-shaped hole, and the through hole is also used for allowing the lock sleeve at the end of the steel wire rope to pass through.

[0008] The through hole is arranged at the other end of the strip-shaped hole and is in the same straight line with the strip-shaped hole.

[0009] The strip-shaped hole is arranged at the side of the drum, the steel wire rope fixing structure is a horizontally arranged fixing pin, the fixing pin is used for abutting the steel wire rope against one end of the strip-shaped hole, the fixing pin is arranged at the end of the strip-shaped hole away from the through hole, the side of the drum is provided with a fixing screw hole for mounting the fixing pin, and the fixing pin is fixed through a bolt passing through the end of the fixing pin.

[0010] The middle part of the fixing pin is provided with a round corner at the side of the end of the strip-shaped hole, so as to reduce the abrasion between the steel wire rope and the fixing pin as much as possible.

[0011] The steel wire rope fixing structure is a horizontally arranged fixing pin, the fixing pin is used for abutting the steel wire rope against one end of the strip-shaped hole, the fixing pin is arranged at the end of the strip-shaped hole away from the through hole, the side of the drum is provided with a fixing screw hole for mounting the fixing pin, and the fixing pin is fixed through a bolt passing through the end of the fixing pin. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a schematic view of the embodiment one of the utility model.

[0013] Figure 2 is Figure 1 is an enlarged schematic view of A in figure 1.

[0014] Figure 3 is a schematic view of the drum.

[0015] Figure 4 is Figure 3 is a right view of figure 1.

[0016] Figure 5It is the schematic diagram of the second embodiment of the utility model. DETAILED DESCRIPTION

[0017] The utility model will be further described below by examples and in conjunction with drawings:

[0018] Embodiment one

[0019] As Figures 1 to 4 shown, a CD type electric hoist wire rope quick replacement structure is suitable for CD type electric hoist, and the drum of the electric hoist is provided with a through hole 4 for the lock sleeve 3 of the end of the wire rope 2 to pass through. The through hole 4 is communicated with a strip-shaped hole 5 for clamping the wire rope 2 on one side, and the hole diameter of the through hole 4 is 10 mm, and the width of the strip-shaped hole 5 is 5 mm. And the through hole 4 and the strip-shaped hole 5 are both arranged on the rope hole 9 of the electric hoist shell for the wire rope to pass through, which is directly behind the rope hole 9, so that the through hole 4 and the strip-shaped hole 5 can be rotated to the rope hole 9 along with the drum 1 and exposed from the rope hole 9, facilitating the clamping operation of the wire rope 2.

[0020] The strip-shaped hole 5 extends along the circumference of the drum 1, and the extension direction of the strip-shaped hole 5 is opposite to the extension direction of the drum 1. The strip-shaped hole 5 and the rope hole 9 of the embodiment are arranged on the side of the drum 1, and the drum 1 is also provided with a wire rope positioning structure. The wire rope fixing structure of the embodiment is a horizontally arranged fixing pin 7, which is arranged in the middle of the strip-shaped hole 5, and the fixing pin 7 is used to limit the wire rope 2 in the strip-shaped hole 5 to prevent the wire rope 2 from entering the through hole 4.

[0021] Specifically, the fixing pin 7 is arranged at the end of the strip-shaped hole 5 away from the through hole 4, and the side of the drum 1 is provided with a insertion hole 8 for the end of the wire rope 2 fixing piece to insert. One side of the strip-shaped hole 5 is provided with a fixing screw hole for mounting the fixing pin 7, and is fixed by a bolt passing through the end of the fixing pin 7. The fixing pin 7 is arranged to facilitate installation, one end is inserted, and the other end is fixed by a bolt, which is convenient to install.

[0022] The middle of the fixing pin 7 is provided with a round corner on one side of the end of the strip-shaped hole 5 to reduce the wear between the wire rope 2 and the fixing pin 7 as much as possible.

[0023] In use, the lock sleeve 3 at the end of the wire rope 2 is first inserted into the through hole 4 from the rope hole 9, and then slid into the other end of the strip-shaped hole 5 from the strip-shaped hole 5. When installing the fixing pin 7, first insert one end of the fixing pin 7 into the insertion hole, then fix it, and then fix the other end of the fixing pin 7 by a bolt, which is convenient to install. After installation, start the electric hoist, and wind the wire rope into the drum 3-4 turns.

[0024] Embodiment two

[0025] As Figure 5The difference between the embodiment and the embodiment one is that the steel wire rope positioning structure is a through hole 6 arranged outside the strip hole 5, and the through hole 6 is also used for the lock sleeve 3 at the end of the steel wire rope 2 to pass through.

[0026] The through hole 6 is arranged at the other end of the strip hole 5, and the through hole 6 is in the same straight line with the strip hole 5. The reasonable arrangement facilitates the lock sleeve 3 to pass in and out.

[0027] During installation, the lock sleeve 3 at the end of the steel wire rope 2 is passed in from the through hole 6, then passed out from the perforation 4, and slid to the bottom of the strip hole 5, clamped in the strip hole 5, to avoid the strip hole 5 from falling out of the perforation 4 in the opposite direction of the rotating direction of the winding drum 1. After the installation is completed, the electric hoist is started, and the steel wire rope is wound into the winding drum 3-4 turns. Since part of the steel wire rope 2 is thick, it is inconvenient to insert into two adjacent holes, if necessary, a thin rope can be tied on the lock sleeve 3, the thin rope is sequentially passed through the through hole 6 and the perforation 4, and then the lock sleeve 3 is sequentially passed through.

Claims

1. A CD type electric hoist wire rope quick replacement structure, characterized in that: The application is suitable for CD type electric hoist, the drum (1) of the electric hoist is provided with a through hole (4) for the lock sleeve (3) of the end of the steel wire rope (2) to pass through, the through hole (4) is communicated with a strip-shaped hole (5) for clamping the steel wire rope (2) on one side, the through hole (4) and the strip-shaped hole (5) are arranged corresponding to the rope hole (9) for the steel wire rope to pass through on the shell of the electric hoist, so that the through hole (4) and the strip-shaped hole (5) can rotate to the rope hole (9) with the drum (1), and the drum (1) is further provided with a steel wire rope positioning structure.

2. The CD type electric hoist wire rope quick replacement structure according to claim 1, characterized in that: The strip-shaped hole (5) extends along the circumference of the drum (1), and the extension direction of the strip-shaped hole (5) is opposite to the extension direction of the drum (1).

3. The CD type electric hoist wire rope quick replacement structure according to claim 2, characterized in that: The steel wire rope positioning structure is a through hole (6) arranged outside the strip-shaped hole (5), and the through hole (6) is also used for the lock sleeve (3) of the end of the steel wire rope (2) to pass through.

4. The CD-type electric hoist wire rope quick replacement structure according to claim 3, characterized in that: The through hole (6) is arranged at the other end of the strip-shaped hole (5), and the through hole (6) is arranged on the same line with the strip-shaped hole (5).

5. The CD type electric hoist wire rope quick replacement structure according to claim 2, characterized in that: The strip-shaped hole (5) is arranged at the side of the drum (1) and the steel wire rope positioning structure is a horizontally arranged fixed pin (7), and the fixed pin (7) is used for abutting the steel wire rope (2) at one end of the strip-shaped hole (5); the fixed pin (7) is arranged at the end of the strip-shaped hole (5) away from the through hole (4), the drum (1) is provided with a jack (8) for the end of the steel wire rope (2) fixing member to insert, one side of the strip-shaped hole (5) is provided with a fixed screw hole for mounting the fixed pin (7), and the fixed pin (7) is fixed by a bolt passing through the end of the fixed pin (7).

6. The CD-type electric hoist wire rope quick replacement structure according to claim 5, characterized in that: The middle part of the fixed pin (7) is provided with a round corner at the side of the end of the strip-shaped hole (5).