Anti-twisting device for steel wire rope of lifting lighthouse

Abstract

The utility model relates to a lifting lighthouse steel wire rope anti-twisting device which comprises a main shaft, a distribution plate, a radial ball bearing, a bearing gland, a plane bearing and a nut. The lower end of the main shaft is connected with a main steel wire rope, an intermediate shaft is designed at the upper end of the main shaft, a lead screw is designed at the upper end of the intermediate shaft, a circular groove is formed in the middle of the upper end of the distribution plate, and a circular hole is formed in the middle of the bottom of the circular groove. A radial ball bearing is installed in the circular groove, the middle shaft and the lead screw penetrate through the circular hole, an inner ring of the radial ball bearing is sleeved on the middle shaft, an outer ring of the radial ball bearing is clamped in the circular groove, the bearing gland is sleeved on the outer side of the middle shaft, and the lower end of the plane bearing is pressed on the bearing gland. The upper end of the plane bearing is screwed on the lead screw through two nuts to be locked. The lifting lighthouse steel wire rope anti-twisting device has the advantages of being ingenious in design and reasonable and compact in structure, effectively preventing steel wire rope winding, and enabling the main shaft to freely rotate relative to the distribution plate, so that the main steel wire rope connected with the main shaft rotates without causing winding of multiple auxiliary steel wire ropes.

Description

Technical Field

[0001] The utility model relates to the field of lighthouses, in particular to a device for preventing the twisting of a steel wire rope of a lifting lighthouse. Background Art

[0002] Lifting lighthouses are now being used more and more widely. The lifting light panel can be raised and lowered, which is convenient for maintenance and other operations. However, the lifting of the lifting light panel is controlled by the lifting wire rope traction of the elevator. A main wire rope of the elevator is connected to multiple auxiliary wire ropes, and the multiple auxiliary wire ropes are then pulled and connected to the lifting light panel. However, the main wire rope will rotate during the process of retraction and release, thereby rotating and entangled with multiple auxiliary wire ropes. Long-term use can easily damage the cable, seriously affecting the normal power supply of the lighthouse and easily causing safety hazards. Summary of the invention

[0003] In order to solve the above technical problems, the utility model proposes a lifting lighthouse wire rope anti-tangle device, which has a clever design, a reasonable and compact structure, and effectively prevents the wire rope from being entangled.

[0004] The technical solution of this utility model:

[0005] A lifting lighthouse wire rope anti-twisting device, the lifting lighthouse includes a lighthouse tower body, a hoist, a main steel wire rope, an auxiliary steel wire rope, a lifting light panel, and a pulley assembly. A hoist is installed at the lower end of the lighthouse tower body, and multiple sets of pulley assemblies are installed around the upper end of the lighthouse tower body. A lifting light panel is installed on the outer side of the lighthouse tower body that can be lifted and lowered. The hoist pulls one end of multiple auxiliary steel wire ropes through a main steel wire rope, and the other ends of the multiple auxiliary steel wire ropes pass over the corresponding pulley assemblies and then connect to the lifting light panel. It is characterized in that the main steel wire rope is connected to the multiple auxiliary steel wire ropes through a lifting lighthouse wire rope anti-twisting device, and the lifting lighthouse wire rope anti-twisting device includes a main shaft, a distribution plate, a radial ball bearing, a bearing gland, a plane bearing, and a nut. The lower end of the main shaft is connected to the main steel wire rope, and an intermediate shaft is designed at the upper end of the main shaft. The upper end of the intermediate shaft is designed with a wire Rod, a circular groove is opened in the middle of the upper end of the distribution plate, a circular hole is opened in the middle of the bottom of the circular groove, the inner diameter of the circular hole is larger than the outer diameter of the intermediate shaft and the inner diameter of the circular hole is smaller than the outer diameter of the main shaft, a radial ball bearing is installed in the circular groove, and after the intermediate shaft and the screw rod pass through the circular hole, the upper end of the main shaft is located below the circular hole of the distribution plate, the inner ring of the radial ball bearing is sleeved on the intermediate shaft, and the outer ring of the radial ball bearing is stuck in the circular groove, and a flared groove is designed at the lower end of the bearing pressure cover, the bearing pressure cover is sleeved on the outside of the intermediate shaft and the bearing pressure cover and the intermediate shaft have a clearance fit, the edge of the flared groove at the lower end of the bearing pressure cover is pressed on the upper end of the outer ring of the radial ball bearing, the plane bearing is sleeved on the outside of the intermediate shaft and the lower end of the plane bearing is pressed on the bearing pressure cover, and the upper end of the plane bearing is screwed on the screw rod through two nuts for locking; multiple auxiliary steel wire ropes are connected around the distribution plate.

[0006] The lower end of the main shaft is designed with a round hole for connecting the main steel wire rope.

[0007] A plurality of circular holes for connecting auxiliary steel wire ropes are evenly designed around the distribution plate near the edge.

[0008] The upper end of the main shaft and the distribution plate are clearance-matched.

[0009] The bottom of the circular groove of the distribution plate is also designed with an avoidance groove, and a circular hole is opened in the middle of the bottom of the avoidance groove.

[0010] The flat plate bearing comprises an upper flat plate ring, a lower flat plate ring and rolling balls. The lower flat plate ring is located on the bearing cover, and there is a clearance fit between the lower flat plate ring and the intermediate shaft. The upper flat plate ring is installed above the lower flat plate ring and a number of rolling balls are installed between the lower flat plate ring and the upper flat plate ring. Annular grooves for rolling balls are designed on the upper side of the lower flat plate ring and the lower side of the upper flat plate ring; the upper flat plate ring and the intermediate shaft are tightly fitted.

[0011] The utility model has the advantages of clever design and reasonable and compact structure. The lighthouse wire rope anti-twisting device can effectively prevent the wire rope from being entangled. The main shaft can rotate freely relative to the distribution plate, so that the rotation of the main wire rope connected to the main shaft will not cause the entanglement of multiple auxiliary wire ropes. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of a lifting lighthouse in the utility model.

[0013] Figure 2 The utility model is a cross-sectional schematic diagram of a lifting lighthouse wire rope anti-twisting device.

[0014] Figure 3 It is a top view of the distribution plate of the utility model.

[0015] Figure 4 It is a side cross-sectional schematic diagram of the distribution plate of the utility model.

[0016] Figure 5 It is a side sectional view of the bearing gland of the utility model.

[0017] Figure 6 It is a schematic diagram of the main shaft of the utility model.

[0018] Figure 7 yes Figure 2 A partial enlarged schematic diagram is shown in the figure. DETAILED DESCRIPTION

[0019] Refer to the attached Figure 1-7, a lifting lighthouse wire rope anti-twisting device, the lifting lighthouse includes a lighthouse tower body 1, a lift 2, a main steel wire rope 3, an auxiliary steel wire rope 4, a lifting lamp panel 5, and a pulley assembly 6. The lift 2 is installed at the lower end of the lighthouse tower body 1, and multiple groups of pulley assemblies 6 are installed around the upper end of the lighthouse tower body 1. The lifting lamp panel 5 is installed on the outer side of the lighthouse tower body 1 in a lifting and lowering manner. The lift 2 pulls one end of multiple auxiliary steel wire ropes 4 through a main steel wire rope 3, and the other end of the multiple auxiliary steel wire ropes 4 is pulled from the corresponding pulley assembly 6 After the surface is bypassed, it is connected to the lifting light panel 5. The main steel wire rope 3 is connected to multiple auxiliary steel wire ropes 4 through a lifting lighthouse steel wire rope anti-twisting device. The lifting lighthouse steel wire rope anti-twisting device 8 includes a main shaft 81, a distribution plate 82, a radial ball bearing 83, a bearing gland 84, a plane bearing 85, and a nut 86. The lower end of the main shaft 81 is connected to the main steel wire rope 3. An intermediate shaft 811 is designed at the upper end of the main shaft 81. A screw rod 812 is designed at the upper end of the intermediate shaft 811. A circular groove 821 is opened in the middle of the upper end of the distribution plate 82. A circular hole is opened in the middle of the bottom of the circular groove 821, and the inner diameter of the circular hole is larger than the outer diameter of the intermediate shaft 811 and smaller than the outer diameter of the main shaft 81. A radial ball bearing 83 is installed in the circular groove 821. After the intermediate shaft 811 and the screw rod 812 pass through the circular hole, the upper end of the main shaft 81 is located below the circular hole of the distribution plate 82, and the inner ring of the radial ball bearing 83 is sleeved on the intermediate shaft 811, and the outer ring of the radial ball bearing 83 is stuck in the circular groove 821. The lower end of the bearing cover 84 is designed with a The expanded groove 841, the bearing cover 84 is sleeved on the outside of the intermediate shaft 811 and the bearing cover 84 and the intermediate shaft 811 are loosely matched, the edge of the expanded groove 841 at the lower end of the bearing cover 84 is pressed on the upper end of the outer ring of the radial ball bearing 83, the plane bearing 85 is sleeved on the outside of the intermediate shaft 811 and the lower end of the plane bearing 85 is pressed on the bearing cover 84, and the upper end of the plane bearing 85 is screwed on the screw rod 812 through two nuts 86 for locking; the distribution plate 82 is connected with multiple auxiliary steel wire ropes 4 around. The design of the radial ball bearing ensures that the main shaft and the distribution plate can rotate relative to each other in the radial direction without interference; the design of the bearing cover and its expanded groove, the bearing cover and the distribution plate move as a whole, and after the expanded groove design, it will not interfere with the rotation of the inner ring of the radial ball bearing.

[0020] The lower end of the main shaft 81 is designed with a round hole for connecting the main steel wire rope 3. The round hole is designed to facilitate connection and fixing.

[0021] The distribution plate 82 is evenly designed with a plurality of circular holes for connecting the auxiliary steel wire ropes 4 near the edge of the distribution plate 82. The schematic diagram provided by the utility model shows four groups of circular holes for connecting the auxiliary steel wire ropes.

[0022] There is a clearance fit between the upper end of the main shaft 81 and the distribution plate 82. The clearance fit prevents axial interference during rotation.

[0023] The bottom of the circular groove 821 of the distribution plate 82 is also designed with an escape groove 822, and a circular hole is opened in the middle of the bottom of the escape groove 822. The escape groove is designed to prevent the inner ring of the radial ball bearing from interfering with the distribution plate to ensure free rotation.

[0024] The plane bearing 85 includes an upper flat plate ring 851, a lower flat plate ring 852, and rolling balls 853. The lower flat plate ring 852 is located on the bearing cover 84. The lower flat plate ring 852 and the intermediate shaft 811 are fitted with a clearance to prevent interference. The upper flat plate ring 851 is installed above the lower flat plate ring 852, and a number of rolling balls 853 are installed between the lower flat plate ring 852 and the upper flat plate ring 851. The upper side of the lower flat plate ring 852 and the lower side of the upper flat plate ring 851 are correspondingly designed with an annular groove for the rolling balls 853 to roll; the upper flat plate ring 851 and the intermediate shaft 811 are tightly fitted. The plane bearing design mainly ensures that the main shaft and the distribution plate can rotate axially.

[0025] When the utility model is used, the main steel wire rope is fixed to the lower end of the main shaft, and the upper end of the main shaft is rotatably installed in the middle of the distribution plate. In this way, when the lifting motor retracts and releases the main steel wire rope, the rotation force generated by the main steel wire rope will not be transmitted to the auxiliary steel wire rope, and there will be no risk of entanglement, which is safe and reliable. The various structural designs of the utility model are ingenious and reasonable, and do not interfere with each other. At the same time, with the cooperation of the radial ball bearing and the plane bearing, the main shaft and the distribution plate do not interfere with each other in the axial and radial directions, and can rotate freely with each other, which is safe and reliable.

Claims

1. A lifting lighthouse wire rope anti-twisting device, the lifting lighthouse includes a lighthouse tower body, a lift, a main steel wire rope, an auxiliary steel wire rope, a lifting light panel, and a pulley assembly. A lift is installed at the lower end of the lighthouse tower body, and multiple pulley assemblies are installed around the upper end of the lighthouse tower body. A lifting light panel is installed on the outer side of the lighthouse tower body, and the lift uses a main steel wire rope to pull one end of multiple auxiliary steel wire ropes, and the other end of the multiple auxiliary steel wire ropes passes over the corresponding pulley assembly and then connects to the lifting light panel. It is characterized in that: The main steel wire rope is connected to multiple auxiliary steel wire ropes through a lifting lighthouse steel wire rope anti-twisting device. The lifting lighthouse steel wire rope anti-twisting device includes a main shaft, a distribution plate, a radial ball bearing, a bearing gland, a plane bearing, and a nut. The lower end of the main shaft is connected to the main steel wire rope, and an intermediate shaft is designed on the upper end of the main shaft. A screw rod is designed on the upper end of the intermediate shaft. A circular groove is opened in the middle of the upper end of the distribution plate, and a circular hole is opened in the middle of the bottom of the circular groove. The inner diameter of the circular hole is larger than the outer diameter of the intermediate shaft and the inner diameter of the circular hole is smaller than the outer diameter of the main shaft. A radial ball bearing is installed in the circular groove. After the intermediate shaft and the screw rod pass through the circular hole The upper end of the main shaft is located below the circular hole of the distribution plate, the inner ring of the radial ball bearing is sleeved on the intermediate shaft, and the outer ring of the radial ball bearing is stuck in the circular groove. A flared groove is designed at the lower end of the bearing cover, the bearing cover is sleeved on the outside of the intermediate shaft and the bearing cover and the intermediate shaft are clearance-matched, the edge of the flared groove at the lower end of the bearing cover is pressed on the upper end of the outer ring of the radial ball bearing, the plane bearing is sleeved on the outside of the intermediate shaft and the lower end of the plane bearing is pressed on the bearing cover, and the upper end of the plane bearing is locked by screwing two nuts on the screw rod; multiple auxiliary steel ropes are connected around the distribution plate.

2. The anti-twisting device for wire rope of lifting lighthouse according to claim 1 is characterized in that: The lower end of the main shaft is designed with a round hole for connecting the main steel wire rope.

3. The anti-twisting device for wire rope of lifting lighthouse according to claim 1 is characterized in that: A plurality of circular holes for connecting auxiliary steel wire ropes are evenly designed around the distribution plate near the edge.

4. The anti-twisting device for wire rope of lifting lighthouse according to claim 1 is characterized in that: The upper end of the main shaft and the distribution plate are clearance-matched.

5. The anti-twisting device for wire rope of lifting lighthouse according to claim 1 is characterized in that: The bottom of the circular groove of the distribution plate is also designed with an avoidance groove, and a circular hole is opened in the middle of the bottom of the avoidance groove.

6. The anti-twisting device for wire rope of lifting lighthouse according to claim 1, characterized in that: The plane bearing comprises an upper flat ring, a lower flat ring and rolling balls. The lower flat ring is located on the bearing cover. The lower flat ring is clearance-fitted with the intermediate shaft. The upper flat ring is installed above the lower flat ring and a number of rolling balls are installed between the lower flat ring and the upper flat ring. Annular grooves for rolling balls are correspondingly designed on the upper side of the lower flat ring and the lower side of the upper flat ring. The upper flat ring is tightly fitted with the intermediate shaft.

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