Active rope arrangement device for single-point crane

Abstract

The present invention discloses an active rope-arranging device for a single-point crane, which relates to the field of single-point cranes and includes a crane base, a winding motor is installed on one side of the crane base, the output end of the winding motor is transmission-connected to a winding drum, a steel wire rope is wound around the outside of the winding drum, and two symmetrical groups of adjustment cylinders are installed on the side of the winding drum on the crane base, each group of the adjustment cylinders is connected to a mobile platform at the output end, and a limit rod, an adjustment screw and a power connection rod are connected between the two groups of mobile platforms, and a mobile device is sleeved on the outside of the adjustment screw. The present invention can also recover the lubricating oil on the surface of the steel wire rope through another group of negative pressure pumps when the steel wire rope is discharged, thereby reducing the residual lubricating oil on the outside of the steel wire rope and reducing the probability of impurities adhering to the surface of the steel wire rope. The airflow sucked in by the negative pressure pump can further clean the surface of the steel wire rope, thereby improving the cleanliness of the steel wire rope.

Description

Technical Field

[0001] The invention relates to the field of single-point hoists, in particular to an active rope-arranging device for single-point hoists. Background Art

[0002] The single-point crane is a lifting device installed above the performance venue, which uses a single suspension point to suspend objects. The suspension point can cover a certain area or most of the stage. It usually includes a reel, a motor and a base. The motor is connected to a reducer, and the reel is installed on the base. The ropes collected in the reel are arranged through pulleys and guide mechanisms to keep the ropes at the best rope outlet angle at all times. The explosive ropes are evenly wound in a single layer on the reel to prevent dislocation and tangled ropes.

[0003] The existing wire arrangement mechanism usually pushes the position of the wire rope according to the wire winding situation, so that the wire rope moves with the first position. However, during the wire winding process of the existing reel, as the wire rope increases, its diameter will gradually increase. Therefore, during the wire winding process, the wire rope and the reel cannot be kept at a suitable angle by moving left and right. As the amount of wound wire increases, the angle between the wire rope and the reel gradually bends, causing the wire rope and the guide mechanism to be squeezed or offset, thereby affecting the use. Secondly, during the wire winding process, in order to reduce the wear of the wire rope, a lubricant is usually applied to the surface of the wire rope through the wire arrangement mechanism. However, during the use of the wire rope, the wire rope will also be discharged through the wire arrangement mechanism. At this time, the lubricant on the surface of the wire rope can easily cause impurities to adhere to the wire rope. In the subsequent retrieval process, it is easy to cause impurities to accumulate on the outside of the wire arrangement mechanism, causing blockage and affecting the use. Summary of the invention

[0004] Based on this, the purpose of the present invention is to provide an active rope-laying device for a single-point hoist to solve the technical problems of angle deviation and easy accumulation of impurities attached to the rope surface during rope recovery.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an active rope-arranging device for a single-point crane, comprising a crane base, a winding motor is installed on one side of the crane base, the output end of the winding motor is transmission-connected to a winding drum, a wire rope is wound around the outer side of the winding drum, and two symmetrical groups of adjusting cylinders are installed on the side of the winding drum on the crane base, a moving platform is installed at the output end of each group of adjusting cylinders, and a limiting rod, an adjusting screw and a power connection rod are connected between the two groups of moving platforms, a moving device is sleeved on the outer side of the adjusting screw, a lubricating oil box is installed on the top of the moving device, a winding wheel is installed inside the moving device, and the winding wheel is sleeved on the outer side of the limiting rod, the adjusting screw The rotation of the rod drives the moving device to move left and right, and the adjustment cylinder drives the moving platform to drive the moving device up and down. A mounting frame is installed inside the moving device below the lubricating oil box, and a lubricating ring is installed in the middle of the mounting frame. The lubricating ring is sleeved on the outside of the wire rope, and a sponge ring is provided between the lubricating ring and the wire rope. An oil spray groove and an oil suction groove are provided inside the mounting frame, and a first negative pressure pump is installed on the top of the oil spray groove. The first negative pressure pump connects the oil spray groove with the lubricating oil box, and a second negative pressure pump is installed on both sides of the lubricating ring of the mounting frame. The output end of the second negative pressure pump extends to the bottom end of the oil suction groove, and the oil suction groove is also connected to the inside of the lubricating oil box through two groups of second negative pressure pumps.

[0006] By adopting the above technical solution, the angle at which the wire rope is collected into the winding drum can be conveniently adjusted, thereby reducing the wear between the wire ropes, and when the wire rope is discharged, the lubricating oil attached to the wire rope can be recovered to reduce the adhesion of impurities.

[0007] The present invention is further configured such that side brackets are installed on both sides of the crane base located at the winding drum, the winding drum is horizontally mounted on the side brackets, the output end of the winding motor is connected to a gear box, the gear box is fixed on the side of the side bracket, and the winding motor is transmission-connected to the winding drum through the gear box.

[0008] By adopting the above technical solution, it is convenient to support the winding drum and the winding motor through the support.

[0009] The present invention is further configured such that a sealing cover plate is provided on the outer side of the winding drum of the crane base, and the top of the sealing cover plate is an arc slope; a baffle is provided on the lower side of the moving device of the crane base, and a collecting groove is provided on the top of the baffle.

[0010] By adopting the above technical solution, the steel wire rope wound by the winding drum can be isolated from the outside world through the sealing cover plate, thereby reducing pollution to the steel wire rope.

[0011] The present invention is further configured such that a group of mobile platforms are internally installed with a mobile motor, the adjustment screw is fixedly connected to the output end of the mobile motor, a controller is also installed inside the mobile platform, the controller is connected to an external power supply, and the controller is connected to a power pole via a wire.

[0012] By adopting the above technical solution, the mobile device can be easily powered by control.

[0013] The present invention is further configured such that a power connection slot is installed below the power connection pole of the mobile device, and the power connection slot is connected to each group of power-using mechanisms inside the mobile device.

[0014] By adopting the above technical solution, the mobile device can be always connected to the power supply during the movement.

[0015] The present invention is further configured such that an air pipe is provided at the top of the lubricating oil box, and an air blowing port is installed at the output end of the air pipe, and the air blowing port extends to just above the steel wire rope.

[0016] By adopting the above technical solution, the gas sucked into the lubricating oil box can be easily discharged.

[0017] The present invention is further configured such that the outer wall of the sponge ring is provided with a plurality of groups of fixed edges, and the sponge ring is snap-connected with the lubrication ring via the fixed edges.

[0018] By adopting the above technical solution, the sponge ring can be conveniently limited and fixed.

[0019] The present invention is further configured such that a collecting box is provided at the bottom end of the lubricating ring, the second negative pressure pump is connected to the collecting box, the second negative pressure pump extends to the inside of the lubricating oil box and an isolation mesh cover is provided, and the isolation mesh cover is located above the lubricating oil surface in the lubricating oil box.

[0020] By adopting the above technical solution, it is convenient to clean the recovered lubricating oil through the isolation mesh cover.

[0021] In summary, the present invention mainly has the following beneficial effects:

[0022] 1. The present invention provides a moving device, which can move the moving device when the wire rope is wound up, so as to maintain the angle between the wire rope and the winding drum, thereby reducing the wear between the wire ropes and the wear between the wire rope and the winding drum, and improving the service life of the wire rope.

[0023] 2. Secondly, the present invention can also supply oil to the lubrication ring through a negative pressure pump when the wire rope is wound, and apply a sufficient amount of lubricating oil to the surface of the wire rope, thereby further reducing the wear between the wire ropes, and the lubricating oil can isolate the wire rope from the outside air, reducing the rust of the wire rope.

[0024] 3. Finally, the present invention can also recover the lubricating oil on the surface of the wire rope through another set of negative pressure pumps when the wire rope is discharged, thereby reducing the residual lubricating oil on the outside of the wire rope and the probability of impurities adhering to the surface of the wire rope. The airflow sucked in by the negative pressure pump can further clean the surface of the wire rope, thereby improving the cleanliness of the wire rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the present invention;

[0026] Figure 2 It is a schematic diagram of the winding drum and the steel wire rope structure of the present invention;

[0027] Figure 3 It is a schematic diagram of the baffle structure of the present invention;

[0028] Figure 4 It is a schematic diagram of the cross-sectional structure of the controller of the present invention;

[0029] Figure 5 It is a schematic diagram of the structure of the mobile device of the present invention;

[0030] Figure 6 It is a schematic diagram of the lubrication ring installation structure of the present invention;

[0031] Figure 7 It is a schematic diagram of the cross-sectional structure of the lubricating oil box of the present invention;

[0032] Figure 8 It is a schematic diagram of the structure of the lubricating ring and the sponge ring of the present invention;

[0033] Fig. 9 It is a schematic diagram of the internal structure of the lubrication ring cross section of the present invention.

[0034] In the figure: 1. crane base; 101. side bracket; 102. gear box; 103. sealing cover plate; 104. baffle; 105. take-up drum; 2. take-up motor; 3. wire rope; 4. moving device; 401. lubricating oil box; 402. power connection slot; 403. air outlet; 4031. air pipe; 404. take-up wheel; 405. first negative pressure pump; 406. second negative pressure pump; 407. isolation net cover; 5. adjustment cylinder; 501. moving platform; 5011. moving motor; 5012. controller; 502. limit rod; 503. adjustment screw; 504. power connection rod; 6. mounting frame; 601. lubrication ring; 6011. oil spray slot; 6012. oil suction slot; 602. collection box; 603. sponge ring; 6031. fixing edge. DETAILED DESCRIPTION

[0035] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0036] The following describes an embodiment of the present invention based on its overall structure.

[0037] An active rope arrangement device for a single-point crane, such as Figures 1 to 9 As shown, it includes a crane base 1, a winding motor 2 is installed on one side of the crane base 1, the output end of the winding motor 2 is connected to the winding drum 105, and the outer side of the winding drum 105 is wound with a wire rope 3, and the crane base 1 is symmetrically installed with two groups of adjustment cylinders 5 on the side of the winding drum 105, and the output end of each group of adjustment cylinders 5 is connected to a moving platform 501, and the two groups of moving platforms 501 are connected between a limit rod 502, an adjustment screw rod 503 and a power connecting rod 504, and the outer side of the adjustment screw 503 is sleeved with a moving device 4, and the top of the moving device 4 A lubricating oil box 401 is installed at the end, a reel 404 is installed inside the mobile device 4, and the reel 404 is sleeved on the outside of the limit rod 502, a mobile motor 5011 is installed inside a group of mobile platforms 501, and the adjustment screw 503 is fixedly connected to the output end of the mobile motor 5011. A controller 5012 is also installed inside the mobile platform 501, and the controller 5012 is connected to the external power supply, and the controller 5012 is connected to the power connection rod 504 through a wire. The mobile device 4 is located below the power connection rod 504 and is equipped with a power connection slot 402 The power connection slot 402 is connected to each group of power-consuming mechanisms inside the mobile device 4, the adjusting screw 503 rotates to drive the mobile device 4 to move left and right, the adjusting cylinder 5 drives the mobile platform 501 to drive the mobile device 4 to move up and down, and the mobile motor 5011 can be started to drive the adjusting screw 503 to rotate according to the winding speed, and the adjusting screw 503 drives the mobile device 4 to move as a whole outside the winding drum 105, and the moving speed is equal to the speed of winding the wire rope 3, so as to sort the winding positions of the wire rope 3 and reduce the deviation angle of the wire rope 3 during the winding process. After a layer of steel wire rope 3 is wound around the outside of the winding drum 105, the steel wire rope 3 needs to be rewound around the wound steel wire rope 3. At this time, the adjusting cylinder 5 is started to drive the moving platform 501 to move upward, thereby driving the moving device 4 and the steel wire rope 3 to move upward synchronously, and then the moving motor 5011 is started in reverse to drive the steel wire rope 3 to be wound around the outside of the previous steel wire rope 3, thereby effectively reducing the angle change of the steel wire rope 3 during the winding process, so that the steel wire rope 3 is always kept at a suitable angle during winding, thereby improving the winding effect and reducing the wear of the steel wire rope 3.

[0038] The interior of the mobile device 4 is provided with a mounting frame 6 below the lubricating oil box 401, a lubricating ring 601 is provided in the middle of the mounting frame 6, the lubricating ring 601 is sleeved on the outside of the steel wire rope 3, a sponge ring 603 is provided between the lubricating ring 601 and the steel wire rope 3, an oil spraying groove 6011 and an oil suction groove 6012 are provided inside the mounting frame 6, a first negative pressure pump 405 is provided at the top of the oil spraying groove 6011, the first negative pressure pump 405 connects the oil spraying groove 6011 with the lubricating oil box 401, a second negative pressure pump 406 is provided on both sides of the mounting frame 6 located at the lubricating ring 601, and a collecting box 602 is provided at the bottom of the lubricating ring 601 The second negative pressure pump 406 is connected to the collecting box 602, and the second negative pressure pump 406 extends to the inside of the lubricating oil box 401 and is provided with an isolation mesh cover 407, and the isolation mesh cover 407 is located above the lubricating oil surface in the lubricating oil box 401, and the oil suction groove 6012 is also connected to the inside of the lubricating oil box 401 through two groups of second negative pressure pumps 406. Through the operation of the lubrication ring 601 and each group of negative pressure pumps, when the wire rope 3 is retracted, the lubricating oil can be evenly applied to the wire rope 3 through the sponge ring 603. When the wire rope 3 is discharged, the lubricating oil attached to the outside of the wire rope 3 is absorbed to reduce the residual lubricating oil on the surface of the wire rope 3.

[0039] See also Figures 1 to 3 The crane base 1 is located on both sides of the winding drum 105 and is equipped with side brackets 101. The winding drum 105 is horizontally mounted on the side brackets 101. The output end of the winding motor 2 is connected to the gear box 102. The gear box 102 is fixed to the side of the side bracket 101, and the winding motor 2 is connected to the winding drum 105 through the gear box 102. The crane base 1 is located on the outside of the winding drum 105 and is provided with a sealing cover plate 103, and the top of the sealing cover plate 103 is an arc inclined surface. The crane base 1 is located below the moving device 4 and is provided with a baffle 104, and a collecting trough is provided on the top of the baffle 104.

[0040] See also Figure 5 An air pipe 4031 is provided at the top of the lubricating oil box 401, and an air port 403 is installed at the output end of the air pipe 4031, and the air port 403 extends to just above the steel wire rope 3, so that the steel wire rope 3 can be further cleaned conveniently by utilizing the inhaled airflow.

[0041] See also Figure 8 and Fig. 9 The outer wall of the sponge ring 603 is provided with a plurality of fixed edges 6031 , and the sponge ring 603 is engaged and connected with the lubricating ring 601 through the fixed edges 6031 , so that the sponge ring 603 is conveniently fixed.

[0042] When the steel wire rope 3 is wound up, the winding motor 2 is first started, and the winding motor 2 drives the winding drum 105 to rotate through the gear box 102 to wind up the steel wire rope 3. The wound steel wire rope 3 will rotate on the outside of the winding wheel 404. When winding up, the steel wire rope 3 passes through the moving device 4 and the lubricating ring 601. The lubricating ring 601 can clean the impurities attached to the surface of the steel wire rope 3. In the winding process, according to the winding speed, the moving motor 5011 is started to drive the adjusting screw 503 to rotate. The adjusting screw 503 drives the moving device 4 to move as a whole on the outside of the winding drum 105, and the moving speed is equal to the speed of winding up the steel wire rope 3, thereby The winding positions of the steel wire rope 3 are sorted to reduce the deviation angle of the steel wire rope 3 during the winding process. After a layer of steel wire rope 3 is wound around the outside of the winding drum 105, the steel wire rope 3 needs to be rewound around the wound steel wire rope 3. At this time, the adjustment cylinder 5 is started to drive the moving platform 501 to move upward, thereby driving the moving device 4 and the steel wire rope 3 to move upward synchronously. Then, the moving motor 5011 is started in reverse to drive the steel wire rope 3 to be wound around the outside of the previous steel wire rope 3, thereby effectively reducing the angle change of the steel wire rope 3 during the winding process, so that the steel wire rope 3 is always kept at a suitable angle during winding, thereby improving the winding effect and reducing the wear of the steel wire rope 3.

[0043] While the steel wire rope 3 is being wound up, the first negative pressure pump 405 is started to extract the lubricating oil in the lubricating oil box 401 and send it to the oil injection groove 6011. The lubricating oil is injected into the sponge ring 603 through the slot on the oil injection groove 6011. When the steel wire rope 3 moves along the inside of the lubricating ring 601, the lubricating oil is evenly applied to the steel wire rope 3 through the sponge ring 603, thereby further reducing the wear of the steel wire rope 3 when it moves. The steel wire rope 3 can be isolated from the outside air by the lubricating oil, thereby reducing the rust of the steel wire rope 3. Moreover, the volatilization of the lubricating oil can be reduced by the sealing cover plate 103 and the baffle plate 104.

[0044] When the wire rope 3 needs to be delivered, the winding motor 2 needs to be started in reverse to drive the winding drum 05 to rotate in the opposite direction. Under the action of external gravity, the wire rope 3 is pulled out, and at the same time, the adjustment cylinder 5 and the moving motor 5011 are started to drive the moving device 4 to move synchronously with the wire rope 3. At the same time, the second negative pressure pump 406 is started to pump the oil suction groove 6012 into negative pressure, thereby sucking out the lubricating oil in the sponge ring 603 (and the outside air through the gap between the sponge ring 603 and the lubricating ring 601), and the lubricating oil attached to the outside of the wire rope 3 is sucked out by the negative pressure airflow and the sponge ring 603. The lubricating oil is absorbed to reduce the residual lubricating oil on the surface of the steel wire rope 3, and the sucked lubricating oil is returned to the lubricating oil box 401 after being filtered by the isolation mesh cover 407, thereby realizing partial recovery of the lubricating oil, and the excess air sucked by the second negative pressure pump 406 will enter the blowing port 403 along the air pipe 4031. The blowing port 403 is facing the outside of the cleaned steel wire rope 3, and can further clean the steel wire rope 3, and blow the residual lubricating oil (solid) on its surface into the groove on the baffle 104, thereby reducing the situation where there is residual lubricating oil on the surface of the steel wire rope 3 when it is pulled out, and reducing the probability of the steel wire rope 3 being contaminated.

[0045] Although an embodiment of the present invention has been shown and described, this specific embodiment is merely an explanation of the present invention and is not a limitation of the invention. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the present invention. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. An active rope arrangement device for a single-point crane, comprising a crane base (1), a winding motor (2) being installed on one side of the crane base (1), an output end of the winding motor (2) being transmission-connected to a winding drum (105), an outer side of the winding drum (105) being wound with a steel wire rope (3), characterized in that: The crane base (1) is located on the side of the winding drum (105) and is symmetrically mounted with two groups of adjustment cylinders (5); the output end of each group of the adjustment cylinders (5) is connected to a moving platform (501); and the two groups of moving platforms (501) are connected to a limit rod (502), an adjustment screw (503) and an electric connecting rod (504); a moving device (4) is sleeved on the outside of the adjustment screw (503); a lubricating oil box (401) is mounted on the top of the moving device (4); a winding wheel (404) is mounted inside the moving device (4), and the winding wheel (404) is sleeved on the outside of the limit rod (502); the adjustment screw (503) rotates to drive the moving device (4) to move left and right; the adjustment cylinder (5) drives the moving platform (501) to drive the moving device (4) to move up and down; the inside of the moving device (4) is located below the lubricating oil box (401). A mounting frame (6) is installed, a lubricating ring (601) is installed in the middle of the mounting frame (6), the lubricating ring (601) is sleeved on the outside of the steel wire rope (3), a sponge ring (603) is provided between the lubricating ring (601) and the steel wire rope (3), an oil spraying groove (6011) and an oil suction groove (6012) are provided inside the mounting frame (6), a first negative pressure pump (405) is installed at the top of the oil spraying groove (6011), the first negative pressure pump (405) connects the oil spraying groove (6011) with the lubricating oil box (401), second negative pressure pumps (406) are installed on both sides of the lubricating ring (601) of the mounting frame (6), the output end of the second negative pressure pump (406) extends to the bottom end of the oil suction groove (6012), and the oil suction groove (6012) is also connected to the inside of the lubricating oil box (401) through two sets of second negative pressure pumps (406); When winding, the first negative pressure pump (405) is started to pump out the lubricating oil in the lubricating oil box (401) and send it to the oil spraying groove (6011). The lubricating oil is injected into the sponge ring (603) through the slot on the oil spraying groove (6011). When the steel wire rope (3) moves along the inside of the lubricating ring (601), the lubricating oil is evenly applied to the steel wire rope (3) through the sponge ring (603); When feeding the rope, the second negative pressure pump (406) is started to pump the oil suction groove (6012) into negative pressure, thereby sucking out the lubricating oil in the sponge ring (603), and the lubricating oil attached to the outside of the steel wire rope (3) is absorbed by the negative pressure airflow and the sponge ring (603), thereby reducing the lubricating oil remaining on the surface of the steel wire rope (3); There is a gap between the inner wall of the sponge ring (603) and the lubricating ring (601); the outer wall of the sponge ring (603) is provided with a plurality of groups of fixed edges (6031); and the sponge ring (603) is snap-fitted and connected to the lubricating ring (601) via the fixed edges (6031).

2. The active rope arrangement device for a single-point hoist according to claim 1 is characterized in that: The crane base (1) is provided with side brackets (101) on both sides of the winding drum (105); the winding drum (105) is horizontally mounted on the side brackets (101); the output end of the winding motor (2) is connected to a gear box (102); the gear box (102) is fixed to the side of the side bracket (101); and the winding motor (2) is connected to the winding drum (105) through the gear box (102).

3. The active rope-arranging device for a single-point hoist according to claim 1 is characterized in that: The crane base (1) is provided with a sealing cover plate (103) located outside the winding drum (105), and the top end of the sealing cover plate (103) is an arc inclined surface. The crane base (1) is provided with a baffle plate (104) located below the moving device (4), and the top end of the baffle plate (104) is provided with a collecting groove.

4. The active rope-arranging device for a single-point hoist according to claim 1 is characterized in that: A mobile motor (5011) is installed inside a group of the mobile platforms (501), the adjustment screw (503) is fixedly connected to the output end of the mobile motor (5011), and a controller (5012) is also installed inside the mobile platform (501), the controller (5012) is connected to an external power supply, and the controller (5012) is connected to a power supply pole (504) through a wire.

5. The active rope-arranging device for a single-point hoist according to claim 4 is characterized in that: The mobile device (4) is located below the power connection pole (504) and is provided with a power connection slot (402), and the power connection slot (402) is connected to each group of power-using mechanisms inside the mobile device (4).

6. The active rope-arranging device for a single-point hoist according to claim 1, characterized in that: An air pipe (4031) is provided at the top of the lubricating oil box (401), and an air blowing port (403) is installed at the output end of the air pipe (4031), and the air blowing port (403) extends to the top of the steel wire rope (3).

7. The active rope-arranging device for a single-point hoist according to claim 1 is characterized in that: A collecting box (602) is provided at the bottom end of the lubricating ring (601), the second negative pressure pump (406) is connected to the collecting box (602), the second negative pressure pump (406) extends to the interior of the lubricating oil box (401) and is provided with an isolating mesh cover (407), and the isolating mesh cover (407) is located above the lubricating oil surface in the lubricating oil box (401).

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