Detachable three-pulley rope arranging mechanism

Abstract

The utility model discloses a detachable three-pulley rope arranging mechanism which comprises a rope arranging mechanism body arranged in a ship cabin or a narrow space and used for winding and unwinding a winch cable, and the rope arranging mechanism body comprises a supporting frame and a pulley mechanism. The supporting frame is composed of two supporting plates which are symmetrically arranged, the two supporting plates are connected in a fastened mode through a plurality of connecting pieces, and a pulley mechanism fixedly installed in the supporting frame is clamped. The three groups of pulley mechanisms are distributed in a shape like a Chinese character'pin ', and each pulley mechanism comprises a stress pulley block and two guide pulley blocks; the stress pulley block is installed at the top of the pulley mechanism, the guide pulley blocks are fixed to the two sides of the lower portion of the stress pulley block respectively, and the cable sequentially penetrates through the guide pulleys, the stress pulley and the guide pulleys and is wound and unwound through the cable arrangement mechanism. The utility model has the advantages of convenient installation, light mechanism and good stability. The abrasion rate is low, and cable winding and unwinding are smoother and more stable.

Description

Technical Field

[0001] The utility model relates to a rope arranging mechanism, in particular to a detachable three-pulley rope arranging mechanism for the winding and unwinding of ship cables, belonging to the technical field of ship equipment. Background Technique

[0002] The rope arranging device is a commonly used component of a winch, mainly used for the orderly arrangement of the winch cable or wire rope on the drum. The slider device assembly of the traditional rope arranging device is overall heavy, and irreversible damage will be caused to the cable after long-term use. The existing slider device assembly is of an integral welded type, and is only applicable to the winding and unwinding of cables in the horizontal direction or within a horizontal plane, and can also withstand the lateral force and bending moment generated by a certain deflection angle of the cable. For vertical rope payout or rope payout within a vertical plane, the resultant force of the cable on the pulley will generate a large bending moment on the guide frame and the bidirectional lead screw of the existing rope arranging device, and this bending moment will cause the bidirectional lead screw to deform and unable to drive with the nut, resulting in the failure of the rope arranging device. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a detachable three-pulley rope arranging mechanism with reasonable structure, convenient use, firmness and safety.

[0004] The utility model adopts the following technical solutions to solve the above technical problems: a detachable three-pulley rope arranging mechanism, including a rope arranging mechanism body arranged in a ship cabin or a narrow space for the winding and unwinding of winch cables, the rope arranging mechanism body includes a support frame and a pulley mechanism; the support frame is composed of two symmetrically arranged support plates, which are fixedly connected by a plurality of connecting pieces and clamp and fixedly install the pulley mechanism inside the support frame; the pulley mechanism is divided into three groups and is distributed in a "pin" shape, including a force-bearing pulley group and two guiding pulley groups; the force-bearing pulley group is installed at the top of the pulley mechanism, and the guiding pulley groups are respectively fixed on both sides below the force-bearing pulley group, and the cable passes through the guiding pulley, the force-bearing pulley, and the guiding pulley in sequence and is wound and unwound through the rope arranging mechanism.

[0005] Further, the connecting piece includes a pin shaft and two bolt shafts, and the two support plates are connected and fixed into one body through the bolt shafts and the pin shaft. At the same time, a pin shaft hole and two bolt shaft holes are respectively opened on the support plates, and the support plates are fixedly connected through the pin shaft and the bolt shaft passing through each hole position.

[0006] Further, the bolt shafts are symmetrically arranged on both sides of the support plate, and the pin shaft is distributed in the middle position between the two.

[0007] Further, the rope arranging mechanism body is also symmetrically provided with sliding frames, and the sliding frames are respectively installed on two guiding shafts to play a supporting role.

[0008] Further, a lead screw nut is provided at the gap between the force-bearing pulley set and the guiding pulley set. The lead screw nut is connected to a bidirectional lead screw through a trapezoidal thread, and by driving the bidirectional lead screw to rotate, the lateral movement of the pulley mechanism is realized.

[0009] Further, the force-bearing pulley set includes a first pulley cover plate, a first rolling bearing, and a force-bearing pulley that are integrally formed and mutually adapted. The first rolling bearing is embedded in the force-bearing pulley and is in close fit with the inner wall of the force-bearing pulley. The first pulley cover plate is snap-fitted on the force-bearing pulley. The two guiding pulley sets have the same structure and include a second pulley cover plate, a second rolling bearing, and a guiding roller that are integrally formed and mutually adapted. The second rolling bearing is embedded in the guiding roller and is in close fit with the inner wall of the guiding roller. The second pulley cover plate is snap-fitted on the guiding roller.

[0010] Further, direction wheels are respectively provided at the rope inlet and the rope outlet of the rope arranging mechanism body to ensure the smooth operation of the cable during winding and unwinding.

[0011] Further, the lowest point of the rope groove of the force-bearing pulley is lower than the central position of the cable to play a pressing role and limit the longitudinal movement of the cable.

[0012] Compared with the prior art, the present utility model adopts the above technical solutions and has the following advantages: The advantage of the present utility model is that it uses a detachable three-pulley mechanism to replace the traditional slider device assembly, which is convenient to install, the mechanism is lightweight, and the stability is good. The pulley is made of nylon material, which has strong adaptability to the cable and will not cause damage to the cable, and the wear rate is low. The inside of the pulley adopts a rolling bearing, with extremely small friction, and the cable winding and unwinding are smoother and more stable. The direction wheel can make up for the deviation in the longitudinal plane to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a structural schematic diagram of the present utility model.

[0014] Figure 2 is a side view of the present utility model.

[0015] Figure 3 is a top view of the present utility model.

[0016] Figure 4 is a front view of the present utility model.

[0017] Figure 5 is an internal structural schematic diagram of the present utility model.

[0018] Description of the drawings: 1 - pin shaft; 2 - bolt shaft; 3 - gasket; 4 - support plate; 5 - pulley cover plate; 6 - rolling bearing; 7 - steering wheel; 8 - guide roller; 9 - bolt; 10 - flat gasket; 11 - spring gasket; 12 - nut; 13 - clamping plate; 14 - load-bearing pulley; 15 - lead screw nut; 16 - sliding frame; 17 - bushing. Detailed implementation manners

[0019] The technical solution of the present utility model will be further described in detail below with reference to the drawings:

[0020] This embodiment provides a detachable three-pulley rope arranging mechanism, which is used for winding and unwinding the cable of a winch arranged in a ship cabin or a narrow space. The three-pulley mechanism is adopted to replace the traditional slider device assembly, and mainly includes a support frame and a pulley mechanism. Among them, the support frame is composed of two symmetrically arranged support plates 4, which are tightly connected by a plurality of connecting pieces and clamp and fix the pulley mechanism installed inside the support frame. The connecting pieces include a pin shaft 1 and two bolt shafts 2. At the same time, a pin shaft hole and two bolt shaft holes are respectively formed on the two support plates. The pin shaft and the bolt shaft respectively pass through the gasket 3, and then sequentially penetrate the pin shaft hole and the bolt shaft hole, and the tail of the bolt is fastened by a flat gasket 10, a spring gasket 11 and a nut 12, and the tail of the pin shaft is fixed by a clamping plate 13, and finally the two support plates are fixed into one body.

[0021] The pulley mechanism has three groups, which are distributed in a "pin" shape, and includes a load-bearing pulley group and two guide pulley groups; the load-bearing pulley group is installed at the top of the pulley mechanism, and the guide pulley groups are respectively fixed on both sides below the load-bearing pulley group. A lead screw nut 15 is arranged at the gap between the load-bearing pulley group and the guide pulley group. The lead screw nut is connected to the bidirectional lead screw through a trapezoidal thread, and the bidirectional lead screw is driven to rotate to realize the lateral movement of the pulley mechanism. The load-bearing pulley group includes a pulley cover plate 5, a rolling bearing 6 and a load-bearing pulley 14 which are integrally formed and mutually adapted. The rolling bearing is embedded in the load-bearing pulley and is closely attached to the inner wall of the load-bearing pulley. The pulley cover plate is clamped on the load-bearing pulley and fastened by 8 bolts 9. The two guide pulley groups have the same structure, and include a pulley cover plate, a rolling bearing and a guide roller 8 which are integrally formed and mutually adapted. The rolling bearing is embedded in the guide roller and is closely attached to the inner wall of the guide roller. The second pulley cover plate is clamped on the guide roller and is also fastened by bolts.

[0022] At the same time, sliding frames 16 are symmetrically arranged on the rope arranging mechanism. A bushing 17 is sleeved inside the sliding frame and is respectively installed on two guide shafts to play a supporting role. The cable sequentially passes through the guide pulley, the load-bearing pulley and the guide pulley, and is wound and unwound through the rope arranging mechanism. Steering wheels 7 are respectively arranged at the cable inlet and outlet of the rope arranging mechanism to ensure the smooth operation of the wound and unwound cable. The lowest point of the rope groove of the load-bearing pulley is lower than the center position of the cable to play a pressing role and limit the longitudinal movement of the cable.

[0023] The advantages of the present utility model are that a detachable three - pulley mechanism is adopted to replace the traditional slider device assembly, which is convenient to install, the mechanism is lightweight and has good stability. The pulleys are made of nylon material, which has strong adaptability to the cable, will not cause damage to the cable, and has a low wear rate. Rolling bearings are used inside the pulleys, with extremely small friction, and the cable is retracted and released more smoothly and steadily. The direction wheel can, to a certain extent, make up for the deviation in the longitudinal plane.

[0024] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above - mentioned specific embodiments. The above - mentioned specific embodiments and the descriptions in the specification are only for further explaining the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the claims and their equivalents.

Claims

1. A detachable three - pulley rope arranging mechanism, characterized in that: It includes a rope arranging mechanism body for winding and unwinding the winch cable arranged in the ship cabin or narrow space. The rope arranging mechanism body includes a support frame and a pulley mechanism. The support frame is composed of two symmetrically arranged support plates, which are fixedly connected by a number of connecting pieces and clamp and fix the pulley mechanism installed inside the support frame. The pulley mechanism is divided into three groups and is distributed in a "pin" shape, including a force-bearing pulley group and two guiding pulley groups. The force-bearing pulley group is installed at the top of the pulley mechanism, and the guiding pulley groups are respectively fixed on both sides below the force-bearing pulley group. The cable passes through the guiding pulley, the force-bearing pulley, and the guiding pulley in sequence and is wound and unwound through the rope arranging mechanism.

2. The detachable three-pulley wire arranging mechanism according to claim 1, wherein: The connecting piece includes a pin shaft and two bolt shafts, and the two support plates are connected and fixed into one body through the bolt shafts and the pin shaft.

3. The detachable triple-pulley rope arranging mechanism according to claim 2, characterized in that: A pin shaft hole and two bolt shaft holes are respectively opened on the support plates, and the support plates are fixedly connected through the pin shaft and the bolt shaft passing through each hole position.

4. The detachable triple-pulley wire aligning mechanism according to claim 2, characterized in that: The bolt shafts are symmetrically arranged on both sides of the support plate, and the pin shaft is distributed at the middle position between the two.

5. The detachable triple-pulley wire arranging mechanism according to claim 1, characterized in that: The rope arranging mechanism body is also symmetrically provided with sliding frames, and the sliding frames are respectively installed on two guiding shafts.

6. The detachable three-pulley rope arranging mechanism according to claim 1, wherein: A lead screw nut is arranged at the gap between the force-bearing pulley group and the guiding pulley group. The lead screw nut is connected with a bidirectional lead screw through a trapezoidal thread to drive the bidirectional lead screw to rotate so as to realize the lateral movement of the pulley mechanism.

7. The detachable three - pulley wire aligning mechanism according to claim 1, wherein: The force-bearing pulley group includes a first pulley cover plate, a first rolling bearing and a force-bearing pulley which are integrally formed and mutually adapted. The first rolling bearing is embedded in the force-bearing pulley and is closely attached to the inner wall of the force-bearing pulley. The first pulley cover plate is clamped on the force-bearing pulley.

8. The detachable three-pulley rope arranging mechanism according to claim 1, wherein: The two guiding pulley groups have the same structure, including a second pulley cover plate, a second rolling bearing and a guiding roller which are integrally formed and mutually adapted. The second rolling bearing is embedded in the guiding roller and is closely attached to the inner wall of the guiding roller. The second pulley cover plate is clamped on the guiding roller.

9. The detachable three - pulley rope arranging mechanism according to claim 1, wherein: Direction wheels are respectively arranged at the rope inlet and the rope outlet of the rope arranging mechanism body.

10. The detachable triple-pulley rope arranging mechanism according to claim 1, wherein: The lowest point of the rope groove of the force-bearing pulley is lower than the central position of the cable.

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