CN218434591U - Safety protection device for hoisting machinery - Google Patents

Abstract

The utility model relates to the technical field of mechanical safety protection, and discloses a safety protection device for hoisting machinery, which comprises a base and a fixed pulley. A winder is provided on the opposite side wall of the guide post, and both sides of the winder near the guide post are provided with mounting plates. The utility model hangs the object on the hook through the form of the hook, and the object is limited under the locking device on the hook to prevent it from detaching from the hook, so that the object can be locked through the threaded screw rod, chute, slider, threaded sleeve, Connecting rods, connecting rods and connecting plates, so as to ensure that when the hook moves up, the hook can be moved horizontally, and by twisting the threaded sleeve, it can drive the connecting plate below to block the side of the object and avoid objects Shaking and other situations occur, and it is convenient to clamp larger objects, which is more practical and suitable for wide promotion and use.

Description

Safety protection device for hoisting machinery

technical field

The utility model belongs to the technical field of mechanical safety protection, in particular relates to a safety protection device for hoisting machinery.

Background technique

Heavy machinery refers to electromechanical equipment used for vertical lifting or vertical lifting and horizontal moving of heavy objects. Its scope is defined as lifts with a rated lifting capacity greater than or equal to 0.5t; 2m crane and load-bearing fixed electric hoist, etc.

After retrieval CN215249174U discloses a safety protection device for hoisting machinery, the safety protection device for hoisting machinery includes a plurality of mounting frames, two adjacent mounting frames are arranged in parallel, and one side of the mounting frame is connected by a lifting mechanism There is a fastening mechanism, a workbench is set between two adjacent mounting frames, a sliding crane is arranged in the inner cavity of the workbench, the bottom connecting part of the sliding crane is connected with a hook part, and the lifting mechanism includes Lifting groove, lifting rod, lifting block and connecting block, the lifting groove is excavated on one side of the mounting frame, the bottom surface of the inner cavity of the lifting groove is provided with a lifting rod, and the inner cavity of the lifting groove is slidably provided with a lifting block. There is a connecting block on one side of the lifting block, which effectively provides auxiliary effects for the fastening mechanism, effectively provides a limit effect for objects during hoisting, and effectively prevents objects from colliding with lifting machinery and causing damage. Wrap the object to avoid hoisting by a single rope, which is prone to shaking.

But the inventor finds that the technical solution still has at least the following defects after exploration:

According to the above safety protection device for hoisting machinery, although the fastening mechanism can clamp the object, when encountering a large object, it is not convenient for the fastening device to clamp it.

In view of this, the utility model is proposed.

Utility model content

In order to solve the problems of the technologies described above, the basic idea of the technical solution adopted by the utility model is:

A safety protection device for hoisting machinery, comprising a base and a fixed pulley, four guide columns are fixedly installed around the base, and a top plate is fixedly installed on the top of the guide columns, and the base is fixed on the opposite side wall of the two guide columns. A winder is provided, and both sides of the winder near the guide column are provided with mounting plates, and the upper and lower ends of the two mounting plates are respectively fixedly connected to the top plate and the base, and the two mounting plates are symmetrical to each other;

The fixed pulley is located below the top plate, and a steel rope is arranged on the fixed pulley, one end of the steel rope is located in the winder, and the other end of the steel rope is provided with a hook, and a threaded screw rod is installed through the hook, and the thread Two mutually symmetrical threaded sleeves are fixedly installed on the screw rod, connecting rods are fixedly installed at the bottom of the two threaded sleeves, and connecting rods are fixedly installed at the bottom of the connecting rods, and the opposite side walls of the two connecting rods Fixed installation with fixed plate.

As a preferred embodiment of the present invention, a sliding mechanism is provided on the opposite side walls of the two mounting plates, and the sliding mechanism includes: a chute and a slider, and the chute is opened on the opposite side of the two mounting plates. side wall.

As a preferred embodiment of the present utility model, the hook is provided with a locking device.

As a preferred embodiment of the present utility model, rotating rods are movably installed on both side walls of the fixed pulley, and both ends of the rotating rod are movable on the opposite side walls of the two connecting plates, and the two connecting plates are fixed Attached to the top plate.

As a preferred embodiment of the present invention, sliders are movably installed in the inner cavities of the two slide grooves, and the side walls of the two sliders away from the slide grooves are fixedly connected to the screw rods.

As a preferred embodiment of the present invention, the upper ends of the bottoms of the two chute are located below the connecting plate.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model hangs the object on the hook through the form of the hook, and the object is limited under the locking device on the hook to prevent it from detaching from the hook, so that the object can be locked through the threaded screw rod, chute, slider, threaded sleeve, Connecting rods, connecting rods and connecting plates, so as to ensure that when the hook moves up, the hook can be moved horizontally, and by twisting the threaded sleeve, it can drive the connecting plate below to block the side of the object and avoid objects Shaking and other situations occur, and it is convenient to clamp larger objects.

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.

Description of drawings

In the attached picture:

Fig. 1 is a three-dimensional structure schematic diagram of a hoisting machinery safety protection device of the present invention;

Fig. 2 is a schematic structural diagram of a right side view of a hoisting machinery safety protection device of the present invention;

Fig. 3 is a schematic diagram of a local structure of a hoisting machinery safety protection device A of the present invention;

Fig. 4 is a schematic structural diagram of a right side view of a hoisting machinery safety protection device of the present invention;

Fig. 5 is a schematic diagram of a partial structure at B of a hoisting machinery safety protection device of the present invention.

In the figure: 1, base; 2, winder; 3, guide column; 4, top plate; 5, steel rope; 6, installation plate; 7, rotating rod; 8, chute; 9, hook; 10, locking Device; 11, threaded screw; 12, threaded sleeve; 13, connecting rod; 14, connecting rod; 15, fixed plate; 16, slider; 17, fixed pulley; 18, connecting plate.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. The following embodiments are used for illustration The utility model.

As shown in Figures 1 to 5, a safety protection device for hoisting machinery includes a base 1 and a fixed pulley 17, four guide columns 3 are fixedly installed around the top of the base 1, and a top plate 4 is fixedly installed on the top of the guide column 3, The highest position that the crane can lift is determined. The base 1 is provided with a winder 2 on the opposite side wall of the two guide columns 3, and the winder 2 is provided with a mounting plate 6 on both sides close to the guide column 3. The upper and lower ends of a mounting plate 6 are respectively fixedly connected to the top plate 4 and the base 1, and the two mounting plates 6 are mutually symmetrical, the fixed pulley 17 is located below the top plate 4, and the fixed pulley 17 is provided with a steel rope 5, and one end of the steel rope 5 is located In the winder 2, the steel rope can be pulled by the winder 2, thereby avoiding the situation of manual pulling, and the other end of the steel rope 5 is provided with a hook 9, and a threaded screw 11 is installed through the hook 9, which determines the threaded wire. The position of the rod 11, and two mutually symmetrical threaded sleeves 12 are fixedly installed on the threaded screw rod 11, the bottom of the two threaded sleeves 12 is fixedly installed with a connecting rod 13, and the bottom of the connecting rod 13 is fixedly installed with an engaging rod 14, The opposite side walls of the two connecting rods 14 are fixedly equipped with a fixed plate 15, which can be moved back and forth on the threaded screw rod 11 by twisting the threaded sleeve 12, thereby driving the connecting rod 13, connecting rod 14 and The connecting plate 18 makes it possible to adjust the position of the connecting plate 18 so as to limit the side walls of objects with different volumes.

As shown in Figures 2 to 5, in a specific embodiment, a sliding mechanism is provided on the opposite side walls of the two mounting plates 6, and the sliding mechanism includes: a chute 8 and a slider 16, and the chute 8 is set on two The opposite side wall of the mounting plate 6. In this setting, threaded screw rods 11 are installed on both sides of the hook 9, and the threaded screw rods 11 are connected to the slider 16, and the slider 16 moves in the inner cavity of the chute 8, thereby ensuring that when the object is lifted, Its steel rope 5 can not produce the shaking situation.

As shown in FIGS. 1 to 5 , further, a locking device 10 is provided on the hook 9 . In this setting, the locking device 10 provided on the hook 9 limits the position of the object on the hook 9, so as to avoid the falling off of the object during hoisting. Fixed pulley 17 two sidewalls are movably equipped with rotating rod 7, and both ends of rotating rod 7 are movable on the opposite side walls of two connecting plates 18, and two connecting plates 18 are fixedly connected on the top plate 4. In this setting, it is ensured that when the steel rope 5 is moving, the fixed pulley 17 will not shake or shift in position.

As shown in Figures 1 to 5, furthermore, sliders 16 are movably installed in the inner cavities of the two chutes 8, and the side walls of the two sliders 16 away from the chutes 8 are fixedly connected to the threaded screw 11 . In this setting, it is ensured that the threaded screw 11 is installed on both sides of the hook 9, and the threaded screw 11 is connected to the slider 16, and the slider 16 moves in the inner cavity of the chute 8, thereby ensuring that the object is lifted again. When, its steel rope 5 can not produce the shaking situation. The upper ends of the bottoms of the two slide grooves 8 are located below the connecting plate 18 . In this setting, it is guaranteed that the object will not collide with the fixed pulley 17 when it is hoisted up.

The implementation principle of a kind of safety protection device for hoisting machinery in this embodiment is as follows: firstly, the object is placed on the hook 9, and the object is limited on the hook 9 by the locking device 10 provided on the hook 9, so as to avoid the When the object falls off, the steel rope 5 is reclaimed by starting the winder 2, and the object is hoisted. In the process of hoisting the object, because the object may shake, etc., the hook 9 Threaded screw rods 11 are installed on both sides, and the threaded screw rods 11 are connected to the slider 16, and the slider 16 moves in the inner cavity of the chute 8, thereby ensuring that the steel rope 5 will not shake when the object is lifted In the case of the threaded screw 11, a threaded sleeve 12 is engaged and installed, and the threaded sleeve 12 can be moved back and forth on the threaded screw 11 by turning the screwed screw 11, thereby driving the connecting rod 13, the connecting rod 14 and the connecting rod 14 arranged below. The connecting plate 18 makes it possible to adjust the position of the connecting plate 18 so as to limit the side walls of objects with different volumes.

Claims (6)

1. A safety protection device for hoisting machinery, comprising a base (1) and a fixed pulley (17), characterized in that four guide columns (3) are fixedly installed around the top of the base (1), and the guide columns ( 3) A top plate (4) is fixedly installed on the top, and the base (1) is provided with a winder (2) on the opposite side wall of the two guide columns (3), and the winder (2) is close to the guide column ( 3) Both sides are provided with mounting plates (6), and the upper and lower ends of the two mounting plates (6) are respectively fixedly connected to the top plate (4) and the base (1), and the two mounting plates (6) are symmetrical to each other ; The fixed pulley (17) is located below the top plate (4), and the fixed pulley (17) is provided with a steel rope (5), one end of the steel rope (5) is positioned in the winder (2), and the steel rope ( 5) The other end is provided with a hook (9), and a threaded screw (11) is installed through the hook (9), and two mutually symmetrical threaded sleeves (12) are fixedly installed on the threaded screw (11) , the bottoms of the two threaded sleeves (12) are fixedly equipped with connecting rods (13), and the bottoms of the connecting rods (13) are fixedly mounted with connecting rods (14), and the opposite sides of the two connecting rods (14) The wall is fixedly installed with a fixing plate (15). 2. A hoisting machinery safety protection device according to claim 1, characterized in that: the opposite side walls of the two mounting plates (6) are provided with a sliding mechanism, and the sliding mechanism includes: a chute (8 ) and a slide block (16), the chute (8) is opened on the opposite side walls of the two mounting plates (6). 3. A hoisting machinery safety protection device according to claim 1, characterized in that a locking device (10) is provided on the hook (9). 4. A safety protection device for hoisting machinery according to claim 1, characterized in that, a rotating rod (7) is movably installed on both side walls of the fixed pulley (17), and both ends of the rotating rod (7) are It moves on the opposite side walls of the two connecting plates (18), and the two connecting plates (18) are fixedly connected to the top plate (4). 5. A kind of safety protection device for hoisting machinery according to claim 2, characterized in that, slide blocks (16) are movably installed in the inner cavities of the two slide grooves (8), and the two slide blocks (16) ) is fixedly connected to the threaded screw mandrel (11) on the side wall away from the chute (8). 6. A safety protection device for hoisting machinery according to claim 2, characterized in that, the upper ends of the bottoms of the two chutes (8) are located below the connecting plate (18).

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