Mounting device for wedge-shaped joint of steel wire rope of crane

Abstract

A rack guide rail of the device is arranged on a bottom plate, a rack is arranged on the rack guide rail and slides along the rack guide rail, bearing seats are arranged at the two ends of a gear shaft and fixed to the bottom plate, and the gear shaft is meshed with the rack and located in the middle of the rack guide rail. The clamping block is connected with the front end of the rack and clamps the two ends of the steel wire rope, the fixing pin shaft is perpendicularly arranged on the bottom plate and located in front of the clamping block, and the first proximity switch and the second proximity switch are arranged at the front end and the tail end of the rack guide rail respectively. The device overcomes the installation defects of a traditional steel wire rope wedge-shaped connector, the steel wire rope wedge-shaped connector can be installed in an electric control mode and a manual mode, it is ensured that the wedge block is reliably pressed into the wedge sleeve, the installation operation efficiency is improved, and potential safety hazards are eradicated.

Description

Technical Field

[0001] The invention relates to the technical field of lifting equipment, and in particular to an installation device for a crane wire rope wedge joint. Background Art

[0002] There are many common ways to install the wire rope of a port crane (especially in the steel industry), usually the front end anchoring method of the crane front beam and the double-end anchoring method of the crane wire rope drum. The double-end anchoring method of the wire rope drum is more convenient and quick to operate, while the wire rope anchoring method at the front end of the crane front beam is more complicated.

[0003] The wire rope wedge joint is mainly composed of a wedge sleeve and a wedge block. Usually, one end of the wire rope is passed around the wedge block and then inserted into the wedge sleeve. The wedge sleeve is fixed on a hand chain hoist or rope, and then another hoist is used to connect the wire rope. The wedge block is pressed into the wedge sleeve by tightening the hoist. This installation method relies entirely on manual operation, which is time-consuming and labor-intensive and has safety hazards. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an installation device for a crane wire rope wedge joint. The device overcomes the defects of traditional wire rope wedge joint installation and can realize the installation of wire rope wedge joints in both electric control and manual modes, ensuring that the wedge block is reliably pressed into the wedge sleeve, improving the installation operation efficiency and eliminating safety hazards.

[0005] To solve the above technical problems, the installation device for a crane wire rope wedge joint of the present invention includes a base plate, a rack guide, a rack, a gear shaft, a bearing seat, a coupling, a wire rope, a clamping block, a fixed pin shaft, a first proximity switch, a second proximity switch and a motor, wherein the rack guide is arranged on the base plate, the rack is arranged on the rack guide and slides along the rack guide, the bearing seat is arranged at both ends of the gear shaft and fixed to the base plate, the gear shaft is meshed with the rack and is located in the middle of the rack guide, the gear shaft is connected to the motor shaft through the coupling, the motor is arranged on the base plate, the clamping block is connected to the front end of the rack and clamps the two ends of the wire rope, the fixed pin shaft is vertically arranged on the base plate and is located in front of the clamping block, and the first proximity switch and the second proximity switch are respectively arranged at the front end and the tail end of the rack guide.

[0006] Furthermore, the free end of the gear shaft is provided with a square shaft head or a hexagonal shaft head.

[0007] Furthermore, the motor is driven to rotate forward or reversely by a controller disposed on the base plate, and the first proximity switch and the second proximity switch are electrically connected to the controller. Since the installation device for the crane wire rope wedge joint of the present invention adopts the above technical scheme, that is, the rack guide rail of the device is arranged on the bottom plate, the rack is arranged on the rack guide rail and slides along the rack guide rail, the bearing seat is arranged at both ends of the gear shaft and fixed to the bottom plate, the gear shaft is meshed with the rack and is located in the middle of the rack guide rail, the gear shaft is connected to the motor shaft through a coupling, the motor is arranged on the bottom plate, the clamping block is connected to the front end of the rack and clamps the two ends of the wire rope, the fixed pin shaft is vertically arranged on the bottom plate and located in front of the clamping block, and the first proximity switch and the second proximity switch are respectively arranged at the front end and the tail end of the rack guide rail. The device overcomes the defects of the traditional installation of the wire rope wedge joint, can realize the installation of the wire rope wedge joint in two modes: electric control and manual, ensure that the wedge block is reliably pressed into the wedge sleeve, improve the installation efficiency, and eliminate safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments: Figure 1 It is a schematic diagram of the installation device of the present invention for the crane wire rope wedge joint; Figure 2 This is a side view of the installation device. DETAILED DESCRIPTION

[0009] Implementation example Figure 1 and Figure 2 As shown, the installation device for the crane wire rope wedge joint of the present invention includes a base plate 1, a rack guide 2, a rack 3, a gear shaft 4, a bearing seat 5, a coupling 6, a wire rope 7, a clamping block 8, a fixed pin shaft 9, a first proximity switch 10, a second proximity switch 11 and a motor 12, wherein the rack guide 2 is arranged on the base plate 1, the rack 3 is arranged on the rack guide 2 and slides along the rack guide 2, the bearing seat 5 is arranged at both ends of the gear shaft 4 and fixed to the base plate 1, the gear shaft 4 is meshed with the rack 3 and is located in the middle of the rack guide 2, the gear shaft 4 is connected to the motor 12 shaft through the coupling 6, and the motor 12 is arranged on the base plate 1, the clamping block 8 is connected to the front end of the rack 3 and clamps the two ends of the wire rope 7, the fixed pin shaft 9 is vertically arranged on the base plate 1 and is located in front of the clamping block 8, and the first proximity switch 10 and the second proximity switch 11 are respectively arranged at the front end and the tail end of the rack guide 2.

[0010] Preferably, a square shaft head or a hexagonal shaft head is provided at the free end of the gear shaft 4. The square shaft head or the hexagonal shaft head is convenient for rotating the gear shaft with a heavy-duty socket wrench to realize manual operation.

[0011] Preferably, the motor 12 is driven to rotate forward or reversely by a controller 13 disposed on the base plate 1, and the first proximity switch 10 and the second proximity switch 11 are electrically connected to the controller 13. The controller controls the motor, and then drives the rack to move forward or backward along the rack guide through the gear shaft.

[0012] When installing the crane wire rope wedge joint, the fixed hole end of the wedge sleeve 14 is sleeved on the fixed shaft pin 9, and the wedge block 15 is located in the wedge sleeve 14. At this time, the wedge block 15 is not pressed into the wedge sleeve 14. After the wire rope 7 passes over the wedge block 15, the two ends of the wire rope 7 are clamped by the clamping block 8. The motor 12 is started to drive the gear shaft 4 to rotate through the coupling 6. The gear shaft 4 drives the rack 3 to move backward along the rack guide rail 2. The rack 3 pre-tightens the wire rope 7 through the clamping block 8. When the clamping block 8 runs to the first proximity switch 10, the motor 12 stops. At this time, it is judged whether the wedge block 15 is pressed into the wedge sleeve 14. If it is, the installation of the wire rope wedge joint is completed; if not, the clamping block 8 is released, the motor 12 is started to run in the reverse direction, and the rack 3 moves forward along the rack guide rail 2. When the tail end of the rack 3 moves to the second proximity switch 11, the motor 12 stops. The clamping block 8 re-clamps the two ends of the wire rope 7, the motor 12 is started to rotate forward, and the rack 3 moves backward to realize the re-pretensioning of the wire rope 7 until the wedge block 15 is pressed into the wedge sleeve 14, completing the installation of the wire rope wedge joint.

[0013] When the device is in the power-off state, the coupling 6 is disengaged to disconnect the gear shaft 4 from the rotating shaft of the motor 12. A heavy-duty socket wrench 16 is sleeved on the free end shaft head of the gear shaft 4 and the gear shaft 4 is rotated to drive the rack 3 to move. The gear shaft 4 is rotated forward and reversely by the heavy-duty socket wrench 16, thereby driving the rack 3 to move forward and backward to pre-tighten or loosen the wire rope 7. Similarly, the pre-tightening of the wire rope 7 causes the wedge block 15 to be pressed into the wedge sleeve 14, thereby realizing the installation of the wire rope wedge joint.

[0014] This device can be switched between electric control and manual modes to achieve the installation of the wire rope wedge joint. In the power-on mode, the motor drives the gear shaft to achieve the forward or backward linear motion of the rack in the limited rack guide rail, and automatically stops when it approaches the limited stroke, and drives the wire rope through the clamping block to press the wedge into the wedge sleeve. In the power-off mode, the gear shaft can be rotated with a heavy-duty socket wrench to drive the rack to move, and the wedge can also be pressed into the wedge sleeve.

[0015] The device has a simple structure and is easy to operate. The pre-tightening of the wire rope ensures that the wedge block is pressed into the wedge sleeve, thereby realizing the installation operation of the wire rope wedge joint, greatly improving the installation operation efficiency, and eliminating safety hazards during the operation process.

Claims

1. An installation device for a crane wire rope wedge joint, characterized in that: It includes a base plate, a rack guide, a rack, a gear shaft, a bearing seat, a coupling, a wire rope, a clamping block, a fixed pin shaft, a first proximity switch, a second proximity switch and a motor, wherein the rack guide is arranged on the base plate, the rack is arranged on the rack guide and slides along the rack guide, the bearing seat is arranged at both ends of the gear shaft and fixed to the base plate, the gear shaft is meshed with the rack and is located in the middle of the rack guide, the gear shaft is connected to the motor shaft through the coupling, the motor is arranged on the base plate, the clamping block is connected to the front end of the rack and clamps the two ends of the wire rope, the fixed pin shaft is vertically arranged on the base plate and is located in front of the clamping block, and the first proximity switch and the second proximity switch are respectively arranged at the front end and the tail end of the rack guide.

2. The installation device for a crane wire rope wedge joint according to claim 1, characterized in that: The free end of the gear shaft is provided with a square shaft head or a hexagonal shaft head.

3. The installation device for a crane wire rope wedge joint according to claim 1 or 2, characterized in that: The motor is driven to rotate in a forward or reverse direction by a controller disposed on the bottom plate, and the first proximity switch and the second proximity switch are electrically connected to the controller.

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