Retracting and releasing device for low-elongation hoisting rope

Abstract

The utility model relates to the related technical field of hoisting, in particular to a take-up and pay-off device for a low-elongation hoisting rope. Comprising a base, a mounting frame is mounted at the upper end of the base, a second motor is mounted at one end of the mounting frame, a lead screw is mounted at the output end of the second motor, sliding grooves are formed in the two sides of the mounting frame, sliding blocks are mounted on the inner sides of the sliding grooves, sliding frames are mounted on the outer sides of the sliding blocks, and built-in threaded blocks are mounted at the lower ends of the sliding frames. A limiting frame is installed at the upper end of the sliding frame, and rolling wheels are installed on the inner side of the limiting frame. Through the design of the sliding grooves and the sliding blocks, the moving range of the sliding frame can be effectively limited, shaking or instability caused by displacement is avoided, the sliding frame is kept stable in the displacement process, the rope moves in the limiting frame, the idler wheels are attached to the rope, friction of the rope is reduced, and the friction between the rope and the limiting frame is remarkably reduced through the smooth surfaces of the idler wheels; and the service life of the rope is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist related technical field especially a kind of for low extension rate hoisting rope's take-up device. BACKGROUND

[0002] The use of ropes can be traced back to ancient times, initially used for lifting and moving heavy objects. After the industrial revolution, with the acceleration of mechanization, the demand for hoisting equipment has increased rapidly. Traditional manual rope operation is gradually replaced by mechanized take-up devices to improve work efficiency and safety. Low extension rate hoisting ropes are usually made of high-strength synthetic materials and have a small elongation. This feature allows the rope to transmit force more quickly when under load, reducing dynamic load caused by rope elongation, thereby improving the accuracy and safety of hoisting. Therefore, there is a particular need for a take-up device for low extension rate hoisting ropes.

[0003] However, most existing take-up devices for low extension rate hoisting ropes cannot guide the rope during take-up. The ropes can easily entangle during the take-up process, leading to smooth operation and increasing the complexity of subsequent use. In the case of entanglement or knotting, the rope may suddenly fall off during release, causing harm to surrounding personnel and equipment. SUMMARY

[0004] The utility model aims to provide a take-up device for low extension rate hoisting ropes to solve the problem of existing take-up devices for low extension rate hoisting ropes, which cannot guide the rope during take-up. The ropes can easily entangle during the take-up process, leading to smooth operation and increasing the complexity of subsequent use. In the case of entanglement or knotting, the rope may suddenly fall off during release, causing harm to surrounding personnel and equipment.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a take-up device for low extension rate hoisting ropes, comprising a base, the upper end of the base is provided with a mounting bracket, one end of the mounting bracket is provided with a second motor, the output end of the second motor is provided with a lead screw, both sides of the mounting bracket are provided with a sliding groove, the inner side of the sliding groove is provided with a sliding block, the outer side of the sliding block is provided with a sliding carriage, the lower end of the sliding carriage is provided with an internal thread block, the upper end of the sliding carriage is provided with a limiting frame, the inner side of the limiting frame is provided with a roller.

[0006] Preferably, the sliding carriage and the mounting bracket form a sliding structure through the sliding groove and the sliding block, and the sliding carriage and the mounting bracket form a sliding structure through the lead screw and the internal thread block.

[0007] Preferably, the upper end of the base is provided with an internal bearing frame, one end of the internal bearing frame is provided with a steering connecting piece, one end of the steering connecting piece is provided with a first motor, one end of the steering connecting piece is provided with a bearing rod, the outer side of the bearing rod is provided with a winding drum, and the outer side of the winding drum is provided with a rope.

[0008] Preferably, the two groups of rollers are arranged in the axis of the limiting frame and are symmetrically arranged, and the rollers are closely attached to the rope.

[0009] Preferably, the first motor is connected with the bearing rod through the steering connecting piece, and the bearing rod and the internal bearing frame constitute a rotating structure through the steering connecting piece and the first motor.

[0010] Preferably, the upper end of the base is provided with a support, the inner side of the support is provided with a bearing, the inner side of the bearing is provided with a rotating shaft, the outer side of the rotating shaft is provided with a partition plate, one end of the rotating shaft is provided with a belt groove, the inner side of the belt groove is provided with a belt, and the inner side of the belt is provided with a third motor.

[0011] Preferably, the rope is closely attached to the rotating shaft, and the partition plate is arranged between the ropes on the surface of the rotating shaft.

[0012] Compared with the prior art, the device has the advantages that: the device for the low-elongation hoisting rope winding and unwinding device is provided with a rope, a mounting frame, a second motor, a screw rod, a sliding groove, a sliding block, a sliding frame, an internal threaded block, a limiting frame and a roller, the sliding frame can displace on the surface of the mounting frame through the sliding groove and the sliding block, the sliding groove and the sliding block limit the sliding frame during displacement, so that the displacement is stable, the design of the sliding groove and the sliding block can effectively limit the movement range of the sliding frame, avoid shaking or instability caused by displacement, and make the sliding frame stable during displacement, the sliding frame can displace on the surface of the mounting frame through the second motor, the screw rod and the internal threaded block, the second motor drives the screw rod to rotate, the rotating screw rod drives the internal threaded block on the surface to displace, the internal threaded block drives the sliding frame to displace, high-repetitive displacement can be provided, the limiting frame and the roller can guide and reduce the friction of the rope, the rope displaces in the limiting frame, the roller is attached to the rope, the friction of the rope is reduced, the smooth surface of the roller significantly reduces the friction between the rope and the limiting frame, and the service life of the rope is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a side view of the appearance structure of the utility model;

[0014] Figure 2 It is a first motor and a winding drum cooperating structure schematic view of the utility model;

[0015] Figure 3The utility model discloses a slide and mounting frame mutual cooperation structure schematic view.

[0016] Figure 4 The utility model discloses a rope and pulley mutual cooperation structure schematic view.

[0017] Figure 5 The utility model discloses a rope and shaft mutual cooperation structure schematic view.

[0018] Figure 6 The utility model discloses a belt groove and third motor mutual cooperation structure schematic view.

[0019] In the drawing: 1, base; 2, built-in bearing frame; 3, steering connecting piece; 4, first motor; 5, bearing rod; 6, winding drum; 7, rope; 8, mounting frame; 9, second motor; 10, screw rod; 11, sliding groove; 12, sliding block; 13, slide; 14, built-in threaded block; 15, limiting frame; 16, pulley; 17, support; 18, bearing; 19, shaft; 20, partition; 21, belt groove; 22, belt; 23, third motor. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work fall within the scope of the utility model.

[0021] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a device for low extension rate hoisting rope, including base 1, the upper end of base 1 is equipped with mounting frame 8, one end of mounting frame 8 is equipped with second motor 9, the output of second motor 9 is equipped with screw rod 10, the both sides of mounting frame 8 are equipped with sliding groove 11, the inboard of sliding groove 11 is equipped with sliding block 12, the outboard of sliding block 12 is equipped with slide 13, the lower end of slide 13 is equipped with built-in threaded block 14, the upper end of slide 13 is equipped with limiting frame 15, the inboard of limiting frame 15 is equipped with pulley 16, by the setting of second motor 9, screw rod 10 and sliding block 12, second motor 9 drives screw rod 10, the stable movement of sliding block 12 is realized by the rotation of thread, ensure the accuracy of linear motion, by adjusting the rotation of second motor 9, the position of sliding block 12 can be quickly changed, realize flexible control.

[0022] Further, the sliding frame 13 and the mounting frame 8 form a sliding structure through the sliding groove 11 and the sliding block 12, the sliding frame 13 and the mounting frame 8 form a sliding structure through the lead screw 10 and the built-in threaded block 14, through the arrangement of the mounting frame 8, the lead screw 10, the sliding groove 11, the sliding block 12, the sliding frame 13 and the built-in threaded block 14, when displacement is carried out, the sliding groove 11 and the sliding block 12 limit the sliding frame 13 to achieve stable displacement effect, the design of the sliding groove 11 and the sliding block 12 can effectively limit the movement range of the sliding frame 13, avoid shaking or instability caused by displacement, make the sliding frame 13 keep stable during displacement, the second motor 9 drives the lead screw 10 to rotate, the rotating lead screw 10 drives the surface of the built-in threaded block 14 to displace, the displaced built-in threaded block 14 drives the sliding frame 13 to displace, which can provide high repeatability displacement.

[0023] Further, the upper end of the base 1 is provided with a built-in bearing frame 2, one end of the built-in bearing frame 2 is provided with a steering connecting piece 3, one end of the steering connecting piece 3 is provided with a first motor 4, one end of the steering connecting piece 3 is provided with a bearing rod 5, the outer side of the bearing rod 5 is provided with a winding drum 6, the outer side of the winding drum 6 is provided with a rope 7, through the arrangement of the built-in bearing frame 2, the steering connecting piece 3, the first motor 4, the bearing rod 5, the winding drum 6 and the rope 7, the first motor 4 drives the bearing rod 5 to rotate inside the built-in bearing frame 2 through the steering connecting piece 3, the rotating bearing rod 5 drives the winding drum 6 to rotate, and the rope 7 outside the winding drum 6 is retracted, the first motor 4 directly drives the bearing rod 5 through the steering connecting piece 3, reduces energy loss, and improves the efficiency of power transmission.

[0024] Further, the roller 16 is provided with two groups, which are arranged on the axis of the limiting frame 15, the roller 16 is closely attached to the rope 7, through the arrangement of the rope 7, the limiting frame 15 and the roller 16, the roller 16 is attached to the rope 7, reducing the friction of the rope 7, the smooth surface of the roller 16 significantly reduces the friction between the rope 7 and the limiting frame 15, prolonging the service life of the rope 7.

[0025] Further, the first motor 4 is connected with the bearing rod 5 through the steering connecting piece 3, the bearing rod 5 and the first motor 4 form a rotating structure with the built-in bearing frame 2 through the steering connecting piece 3, through the arrangement of the built-in bearing frame 2, through the support of the bearing frame, the direct contact between the moving parts can be reduced, the wear is reduced, thereby improving the reliability and maintenance period of the system.

[0026] Further, the upper end of the base 1 is provided with a support 17, the inner side of the support 17 is provided with a bearing 18, the inner side of the bearing 18 is provided with a rotating shaft 19, the outer side of the rotating shaft 19 is provided with a partition plate 20, one end of the rotating shaft 19 is provided with a belt groove 21, the inner side of the belt groove 21 is provided with a belt 22, the inner side of the belt 22 is provided with a third motor 23, through the setting of the belt groove 21, the belt 22 and the third motor 23, the third motor 23 directly drives the rotating shaft 19 through the belt 22, which ensures the effective transmission of power and reduces energy loss.

[0027] Further, the rope 7 is closely attached to the rotating shaft 19, the partition plate 20 is arranged between the ropes 7 on the surface of the rotating shaft 19, through the setting of the rope 7, the rotating shaft 19 and the partition plate 20, the rope 7 is wound on the surface of the rotating shaft 19 in multiple groups and separated by the partition plate 20, the rope 7 closely attaches to the surface of the rotating shaft 19, which can improve the friction and transmission efficiency, ensure the effective transmission of power and avoid the rope from being detached due to the excessive weight of the object.

[0028] Working principle: first, connect the rope 7, then start the first motor 4 and the third motor 23. The first motor 4 drives the bearing rod 5 to rotate in the built-in bearing frame 2 through the steering connecting piece 3, the rotating bearing rod 5 drives the drum 6 to rotate, the rope 7 outside the drum 6 is retracted and released, the third motor 23 drives the rotating shaft 19 to rotate through the belt 22 and the belt groove 21, the rope 7 is retracted and released, during the retraction and release, the second motor 9 is started, the second motor 9 drives the screw rod 10 to rotate, the rotating screw rod 10 drives the built-in screw block 14 on the surface to displace, the displacing built-in screw block 14 drives the sliding frame 13 to displace, the displacing support 17 drives the limiting frame 15 to displace, the roller 16 in the limiting frame 15 is attached to the rope 7 to achieve the guiding effect, so the use process of the retraction and release device for the low-elongation hoisting rope 7 is completed.

[0029] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A take-up device for low-stretch hoisting ropes, comprising a base (1), characterized in that: The upper end of the base (1) is provided with a mounting rack (8), one end of the mounting rack (8) is provided with a second motor (9), the output end of the second motor (9) is provided with a lead screw (10), both sides of the mounting rack (8) are provided with a sliding groove (11), the inner side of the sliding groove (11) is provided with a sliding block (12), the outer side of the sliding block (12) is provided with a sliding frame (13), the lower end of the sliding frame (13) is provided with an internal threaded block (14), the upper end of the sliding frame (13) is provided with a limiting box (15), the inner side of the limiting box (15) is provided with a roller (16).

2. A take-up device for low-elongation hoisting ropes according to claim 1, characterized in that The sliding frame (13) and the mounting rack (8) form a sliding structure through the sliding groove (11) and the sliding block (12), and the sliding frame (13) and the mounting rack (8) form a sliding structure through the lead screw (10) and the internal threaded block (14).

3. A take-up and pay-off device for low-elongation hoisting ropes according to claim 1, characterized in that: The upper end of the base (1) is provided with an internal bearing rack (2), one end of the internal bearing rack (2) is provided with a steering connecting piece (3), one end of the steering connecting piece (3) is provided with a first motor (4), one end of the steering connecting piece (3) is provided with a bearing rod (5), the outer side of the bearing rod (5) is provided with a winding drum (6), the outer side of the winding drum (6) is provided with a rope (7).

4. A take-up and pay-out device for low-elongation hoisting ropes according to claim 1, characterized in that: The roller (16) is provided with two groups, and is provided in the limiting box (15) with an axisymmetric arrangement, and the roller (16) is closely attached to the rope (7).

5. A take-up device for low-elongation hoisting ropes according to claim 3, characterized in that: The first motor (4) is connected with the bearing rod (5) through the steering connecting piece (3), and the bearing rod (5) and the internal bearing rack (2) form a rotating structure through the steering connecting piece (3) and the first motor (4).

6. A take-up and pay-out device for low-elongation hoisting ropes according to claim 1, characterized in that: The upper end of the base (1) is provided with a support (17), the inner side of the support (17) is provided with a bearing (18), the inner side of the bearing (18) is provided with a rotating shaft (19), the outer side of the rotating shaft (19) is provided with a partition plate (20), one end of the rotating shaft (19) is provided with a belt groove (21), the inner side of the belt groove (21) is provided with a belt (22), the inner side of the belt (22) is provided with a third motor (23).

7. A take-up device for low-elongation hoisting ropes according to claim 4, characterized in that: The rope (7) is closely attached to the rotating shaft (19), and the partition plate (20) is arranged between the ropes (7) on the surface of the rotating shaft (19).

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