Steel wire rope anti-jumping guide mechanism of electric hoist

Abstract

The utility model relates to the field of electric hoists, and discloses a steel wire rope anti-jumping guide mechanism of an electric hoist, which comprises a shell, the outer wall of the shell is fixedly connected with a lifting motor, the outer wall of the shell is fixedly connected with a gearbox, and the top of the shell is provided with a sports car. The output end of the lifting motor is fixedly connected with a steel wire rope through a winding drum, the inner surface of the shell is fixedly connected with a rope guide, the bottom end of the steel wire rope is fixedly connected with a hoist lifting hook, a mounting groove is formed in the outer wall of the rope guide, and the inner wall of the mounting groove is fixedly connected with a telescopic rod. And the inner wall of the mounting groove is fixedly connected with a spring. According to the utility model, by arranging the structures such as the mounting groove, the telescopic rod and the spring, a guiding function can be provided for the steel wire rope when the steel wire rope is lifted, and buffering force is provided according to the tension change generated by the change of goods lifted by the steel wire rope when the steel wire rope is guided, so that the steel wire rope can stably and accurately run on a set path.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric hoist, especially electric hoist's steel wire rope anti -jump groove guide mechanism. BACKGROUND

[0002] Electric hoist is a kind of light and small hoisting equipment, is widely used in industrial production and daily life, is used for lifting heavy objects or lifting material, it is driven by motor, converts electric energy into mechanical energy, realizes efficient, safe hoisting operation, and the steel wire rope of electric hoist mainly bears the tension generated by lifting heavy objects, the weight of heavy object is transmitted from lifting hook to drum through steel wire rope, and then force is dispersed to the support structure of entire electric hoist through drum, motor and other components, to prevent heavy object from falling, and ensure the safety and reliability of lifting process.

[0003] When electric hoist is lifting heavy objects, steel wire rope needs to be wound and released on drum in order, and the rope guide can guide steel wire rope to be wound into the rope groove of drum according to certain rules and paths, which can avoid the skew, overlap or interlacing of steel wire rope on drum, ensure the neat arrangement of steel wire rope, so that drum can effectively store and release steel wire rope, and ensure the normal operation of electric hoist.

[0004] In the prior art, steel wire rope is guided by rope guide, but the rope guide cannot buffer and adapt to the motion change of steel wire rope, so when steel wire rope is disturbed by external force or its own tension changes during motion, the rope guide cannot flexibly adjust to cause the risk of steel wire rope jumping groove, therefore, an electric hoist steel wire rope anti-jump groove guide mechanism is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides an electric hoist steel wire rope anti-jump groove guide mechanism, which aims at improving the problem that the electric hoist steel wire rope anti-jump groove guide mechanism in the prior art lacks buffering function during guiding, which makes it difficult to adapt to the tension change of steel wire rope and reduces the guiding effect.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a steel wire rope anti -jump groove guide mechanism of electric hoist, including the shell, the outer wall fixed connection of shell has the lifting motor, the outer wall fixed connection of shell has the gearbox, the top of shell is provided with the racing car, the output of lifting motor is fixedly connected with the steel wire rope through the reel, the inner fixed surface of shell is connected with the rope guide, the bottom of steel wire rope is fixedly connected with the gourd lifting hook, the outer wall of rope guide is set up with the mounting groove, the inner wall fixed connection of mounting groove has the telescopic link, the inner wall fixed connection of mounting groove has the spring, the end fixed connection of spring has the arc plate, the inner fixed surface of arc plate is connected with the support rod, the outer wall rotationally connected with the guide wheel of support rod, the surface of guide wheel is set up with the guide groove, the inner wall of rope guide is provided with the locating ring, the surface of locating ring is provided with the guide auxiliary assembly.

[0007] As further description of the above technical scheme:

[0008] The movable end of the telescopic link is fixedly connected with the inner surface of the arc-shaped plate, and the spring is sleeved on the outer wall of the telescopic link.

[0009] As further description of the above technical scheme:

[0010] The guide groove is attached to the outer surface of the steel wire rope, and the center of the locating ring is provided in a semicircular shape.

[0011] As further description of the above technical scheme:

[0012] The guide auxiliary assembly comprises a fixed groove, and the inner wall of the fixed groove is rotationally connected with a ball.

[0013] As further description of the above technical scheme:

[0014] The fixed groove is provided on the outer wall of the side of the locating ring close to the arc-shaped plate, and the outer surface of the ball is attached to the outer wall of the steel wire rope.

[0015] As further description of the above technical scheme:

[0016] The outer wall of the locating ring is fixedly connected with a moving block, the inner wall of the moving block is threadedly connected with an adjusting bolt, and the inner wall of the rope guide is provided with an adjusting groove.

[0017] As further description of the above technical scheme:

[0018] The inner wall of the adjusting groove is rotationally connected with the end of the adjusting bolt.

[0019] As further description of the above technical scheme:

[0020] The outer wall of the moving block is adapted to the inner wall of the adjusting groove.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, by combining structures such as mounting groove, telescopic rod, spring, arc plate, guide wheel, guide groove, positioning plate and guide auxiliary components, a guiding function can be provided for the wire rope during hoisting. Moreover, during guidance, a buffering force is provided according to the tension changes caused by the changes in the goods hoisted by the wire rope, preventing the wire rope from deviating from its original route during operation, thereby ensuring that the wire rope can run smoothly and accurately on the set path.

[0023] 2. In this utility model, by combining structures such as adjustment grooves, moving blocks and adjustment bolts, the contact degree between the guide wheel and the wire rope is switched, thereby reducing the shaking generated during hoisting and ensuring hoisting stability. Attached Figure Description

[0024] Figure 1 This is a side view of the main structure of the anti-jump guide mechanism for the wire rope of an electric hoist proposed in this utility model.

[0025] Figure 2 A top view schematic diagram of the rope guide structure of the anti-jumping guide mechanism for the wire rope of an electric hoist proposed in this utility model.

[0026] Figure 3 This utility model proposes a wire rope anti-jump guide mechanism for an electric hoist. Figure 2 Enlarged view of region A in the middle;

[0027] Figure 4 This is a schematic diagram showing the separation of the rope guide and the arc plate in the anti-jumping guide mechanism for the wire rope of an electric hoist proposed in this utility model.

[0028] Figure 5 This is a partial structural separation diagram of the wire rope anti-jump guide mechanism for an electric hoist proposed in this utility model.

[0029] Legend:

[0030] 1. Outer casing; 2. Lifting motor; 3. Carriage; 4. Gearbox; 5. Wire rope; 6. Rope guide; 7. Hoist hook; 8. Mounting slot; 9. Spring; 10. Telescopic rod; 11. Curved plate; 12. Support rod; 13. Guide wheel; 14. Guide groove; 15. Positioning ring; 16. Fixing groove; 17. Ball bearing; 18. Adjusting groove; 19. Moving block; 20. Adjusting bolt. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figures 1-3 This utility model provides an embodiment of a wire rope anti-drift guide mechanism for an electric hoist, comprising a housing 1, a lifting motor 2 fixedly connected to the outer wall of the housing 1, a gearbox 4 fixedly connected to the outer wall of the housing 1, a trolley 3 provided on the top of the housing 1, the trolley 3 being driven by an electric motor and mounted on an I-beam rail, the trolley 3 being responsible for the horizontal movement of the equipment, a wire rope 5 fixedly connected to the output end of the lifting motor 2 via a drum, a rope guide 6 fixedly connected to the inner surface of the housing 1, the wire rope 5 being wound around the outer wall of the drum and able to pass through the opening of the rope guide 6 to connect with the hoist hook 7, the bottom end of the wire rope 5 being fixedly connected to the hoist hook 7, the hoist hook 7 being connected to the cargo, the lifting motor 2 controlling the rotation of the drum, and the cargo being lifted by the traction of the wire rope 5, the rope guide 6... An installation groove 8 is provided on the outer wall. A telescopic rod 10 is fixedly connected to the inner wall of the installation groove 8. A spring 9 is fixedly connected to the inner wall of the installation groove 8. The spring 9 is sleeved on the outer wall of the telescopic rod 10. An arc-shaped plate 11 is fixedly connected to the end of the spring 9. The movable end of the telescopic rod 10 is fixedly connected to the inner surface of the arc-shaped plate 11. The automatic extension and retraction of the telescopic rod 10 and the spring 9 allows the guide wheel 13 to contact the wire rope 5 with a buffering force. A support rod 12 is fixedly connected to the inner surface of the arc-shaped plate 11. A guide wheel 13 is rotatably connected to the outer wall of the support rod 12. A guide groove 14 is provided on the surface of the guide wheel 13. The guide groove 14 fits against the outer surface of the wire rope 5. The guide groove 14 contacts the wire rope 5 and guides it. When the wire rope 5 is extended or retracted, it guides it to ensure that the wire rope 5 runs along the correct path.

[0033] Reference Figures 3-5 The inner wall of the rope guide 6 is provided with a positioning ring 15. The center of the positioning ring 15 is semi-circular. The positioning ring 15 can cover the wire rope 5 and provide positioning for the wire rope 5 in conjunction with the guide wheel 13. The surface of the positioning ring 15 is provided with a guide auxiliary component, which includes a fixing groove 16. The fixing groove 16 is opened on the outer wall of the positioning ring 15 near the arc plate 11. The inner wall of the fixing groove 16 is rotatably connected to a ball 17. The outer surface of the ball 17 is in contact with the outer wall of the wire rope 5. The ball 17 rotates irregularly during the winding and unwinding of the wire rope 5, converting the direct friction between the wire rope 5 and the positioning ring 15 into rolling friction, reducing the wear caused by direct contact between the two.

[0034] ReferenceFigure 3 and Figure 5 The outer wall of the positioning ring 15 is fixedly connected to a movable block 19, and the inner wall of the movable block 19 is threadedly connected to an adjusting bolt 20. The inner wall of the rope guide 6 is provided with an adjusting groove 18. The outer wall of the movable block 19 is adapted to the inner wall of the adjusting groove 18. The inner wall of the adjusting groove 18 is rotatably connected to the end of the adjusting bolt 20. By adjusting the rotation direction of the adjusting bolt 20, the position of the positioning ring 15 inside the rope guide 6 is switched.

[0035] Working principle: When transporting goods, the wire rope 5 moves on the rope guide 6. During the winding and unwinding of the wire rope 5, the guide wheel 13 and the ball bearing 17 rotate. The guide groove 14 and the positioning ring 15 guide and limit the movement of the wire rope 5. Due to the elastic force of the spring 9, combined with the telescopic deformation of the telescopic rod 10, the guide wheel 13 can move flexibly within a certain range, ensuring that the guide wheel 13 always maintains contact with the wire rope 5. This prevents the tension and movement of the wire rope 5 from changing under different lifting heights and loads. The reduced guiding function caused by changes in the shape of the object is finally addressed by applying a positive or negative rotational force to the adjusting bolt 20, which causes the moving block 19 to move inside the adjusting groove 18, thereby adjusting the distance between the positioning ring 15 and the guide wheel 13. This not only accommodates wire ropes 5 of different diameters, but also adjusts the degree of contraction of the telescopic rod 10 and the spring 9 by squeezing the wire rope 5 through the positioning ring 15. Depending on the items being transported, the degree of contact between the guide groove 14 and the wire rope 5 can be switched to reduce the swaying of the hoisted goods.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A wire rope anti-skid guide mechanism for an electric hoist, comprising a housing (1), wherein a lifting motor (2) is fixedly connected to the outer wall of the housing (1), a gearbox (4) is fixedly connected to the outer wall of the housing (1), a trolley (3) is provided on the top of the housing (1), a wire rope (5) is fixedly connected to the output end of the lifting motor (2) via a drum, a rope guide (6) is fixedly connected to the inner surface of the housing (1), and a hoist hook (7) is fixedly connected to the bottom end of the wire rope (5), characterized in that: The outer wall of the guide rope device (6) is provided with a mounting groove (8), the inner wall of the mounting groove (8) is fixedly connected with an extension rod (10), the inner wall of the mounting groove (8) is fixedly connected with a spring (9), the end of the spring (9) is fixedly connected with an arc-shaped plate (11), the inner surface of the arc-shaped plate (11) is fixedly connected with a supporting rod (12), the outer wall of the supporting rod (12) is rotatably connected with a guide wheel (13), the surface of the guide wheel (13) is provided with a guide groove (14), the inner wall of the guide rope device (6) is provided with a positioning ring (15), and the surface of the positioning ring (15) is provided with a guide auxiliary assembly.

2. A steel rope anti-skip guide mechanism of an electric hoist according to claim 1, characterized in that: The movable end of the extension rod (10) is fixedly connected with the inner surface of the arc-shaped plate (11), and the spring (9) is sleeved on the outer wall of the extension rod (10).

3. A rope anti-sling guide for an electric hoist according to claim 1, characterized in that: The guide groove (14) is in close contact with the outer surface of the steel wire rope (5), and the center of the positioning ring (15) is provided in a semicircular shape.

4. A rope anti-sling guide for an electric hoist according to claim 1, characterized in that: The guide auxiliary assembly comprises a fixed groove (16), and the inner wall of the fixed groove (16) is rotatably connected with a ball (17).

5. A rope anti-sling guide for an electric hoist according to claim 4, characterized in that: The fixed groove (16) is arranged on the outer wall of the positioning ring (15) near the arc-shaped plate (11), and the outer surface of the ball (17) is in close contact with the outer wall of the steel wire rope (5).

6. A rope anti-sling guide for an electric hoist according to claim 1, characterized in that: The outer wall of the positioning ring (15) is fixedly connected with a moving block (19), the inner wall of the moving block (19) is threadedly connected with an adjusting bolt (20), and the inner wall of the guide rope device (6) is provided with an adjusting groove (18).

7. A rope anti-sling guide for an electric hoist according to claim 6, characterized in that: The inner wall of the adjusting groove (18) is rotatably connected with the end of the adjusting bolt (20).

8. A rope anti-sling guide for an electric hoist according to claim 6, characterized in that: The outer wall of the moving block (19) is matched with the inner wall of the adjusting groove (18).

Images