Safety protection device for hoisting machinery

Abstract

The utility model discloses a hoisting machinery safety protection device which comprises a placing table, three sides of the top of the placing table are fixedly connected with protection baffles, the tops of the protection baffles are provided with hoisting mechanisms, the top of the placing table is rotatably connected with a plurality of groups of rollers, one side of the placing table is provided with a pair of movable grooves, and the movable grooves are arranged in the movable grooves. A pair of limiting sliding grooves are formed in the top of the movable groove, a rack frame is slidably connected into the movable groove, a side baffle is fixedly connected to the side, away from the protective baffle, of the rack frame, and a gear is rotatably connected to the position, located below the rack frame, in the movable groove; compared with an existing safety protection device, the safety protection device has the advantages that the position of goods can be adjusted and corrected through the design, the stability of goods hoisting is improved, the safety of goods hoisting is improved, and the safety of goods hoisting is improved. And swinging and inclination caused by unstable gravity center in the hoisting process are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting machinery, in particular to a safety protection device for lifting machinery. Background Art

[0002] Lifting machinery refers to electromechanical equipment used for vertical lifting or vertical lifting and horizontal movement of heavy objects. Lifting machinery lifts or lifts and moves heavy objects through lifting hooks or other picking devices. The working process of lifting machinery generally includes the steps of lifting, running, lowering and returning to the original position. The lifting mechanism lifts the heavy object from the picking location through the picking device, shifts the heavy object through running, rotating or luffing mechanism, and returns to the original position after lowering the heavy object at the designated location. With the development of the times, the development and use of lifting machinery in the market are becoming more and more extensive.

[0003] When existing lifting machinery lifts heavy objects or containers, they all use internal hooks to hook the heavy objects or ropes on the outside of the container, and then pull them up for transportation. However, when lifting and transporting, the existing lifting machinery cannot find the center of gravity of the container, resulting in uneven force, causing the container to swing and tilt during transportation, posing certain safety hazards.

[0004] Therefore, it is particularly important to design a lifting machinery safety protection device to solve the above-mentioned defects. Utility Model Content

[0005] 1) Technical problems to be solved by the utility model

[0006] In view of the deficiencies in the prior art, the utility model designs a safety protection device for lifting machinery, which aims to solve the technical problem that the center of gravity cannot be located when lifting goods under the prior art, resulting in uneven force affecting the lifting stability.

[0007] 2) Technical solution

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A lifting machinery safety protection device comprises a placing table, wherein three sides of the top of the placing table are fixedly connected with protective baffles, the top of the protective baffle is provided with a lifting mechanism, a plurality of groups of rollers are rotatably connected to the top of the placing table, a pair of movable grooves are opened on one side of the placing table, a pair of limiting sliding grooves are opened on the top of the movable grooves, a rack rack is slidably connected inside the movable groove, a side baffle is fixedly connected to the side of the rack rack away from the protective baffle, a gear is rotatably connected inside the movable groove below the rack rack, a rotating motor is installed on one side of the gear located outside the placing table, a clamping mechanism is provided between the side baffle and the protective baffle, and a shock-absorbing and buffering mechanism is provided at the bottom of the placing table.

[0010] As a preferred solution of the utility model, a reinforcing rib is fixedly connected to the connection between the protective baffle and the placement table.

[0011] As a preferred solution of the utility model, the gear is meshed with the bottom of the rack.

[0012] As a preferred solution of the utility model, the lifting mechanism is composed of a connecting rod, a fixing ring 1, a lifting frame, a fixing ring 2, a lifting rope and a lifting ring, the top of the protective baffle is fixedly connected with a connecting rod on both sides, the top of the connecting rod is fixedly connected with a pair of fixing ring 1, a lifting frame is provided above the connecting rod, a pair of fixing ring 2 is fixedly connected with both sides of the bottom of the lifting frame, a lifting rope is connected between the fixing ring 2 and the fixing ring 1, the top center of the lifting frame is fixedly connected with a lifting ring, and the connection between the lifting ring and the lifting frame is fixedly connected with a reinforcing rib 2.

[0013] As a preferred solution of the utility model, a plurality of groups of directional pulleys are rotatably connected to the top of the rack frame and at a position corresponding to the limiting slide groove, and the rack frame is slidably connected to the limiting slide groove through the directional pulleys.

[0014] As a preferred solution of the utility model, the clamping mechanism is composed of an electric telescopic rod and a clamping plate, a pair of electric telescopic rods are installed on the corresponding sides between the side baffle plate and the protective baffle plate, a clamping plate is installed on one side of the electric telescopic rod, and a rubber anti-slip layer is provided on the side of the clamping plate away from the electric telescopic rod.

[0015] As a preferred solution of the utility model, the shock absorbing and buffering mechanism is composed of a spring damper and a foam buffer pad, and several groups of spring dampers are installed on both sides of the bottom of the placement table, and the bottom of the spring damper is fixedly connected with a foam buffer pad.

[0016] 3) Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] First, the goods are placed on the top of the placement table. Two pairs of electric telescopic rods push the goods to the center through the clamping plates, clamp and limit the two sides of the goods to improve the stability of the goods lifting, and the rollers improve the smoothness of the goods movement and adjustment;

[0019] Secondly, the rotating motor drives the gear to rotate so that the gear meshes with the rack, driving the side baffle to move and open, making it easier to load and unload goods;

[0020] Finally, when the protective device touches the ground, the spring damper drives the foam cushion to provide shock absorption and cushioning for the cargo stored inside the protective device, thereby improving the stability of cargo lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the lifting machinery safety protection device;

[0022] Figure 2 This is a schematic diagram of the internal structure of the lifting machinery safety protection device;

[0023] Figure 3 It is a partial structural diagram of the safety protection device of the lifting machinery;

[0024] Figure 4 Schematic diagram of the rack structure.

[0025] In the figure: 1. placing table; 101. protective baffle; 1011. reinforcing rib 1; 102. roller; 2. lifting mechanism; 201. connecting rod; 202. fixing ring 1; 203. lifting frame; 204. fixing ring 2; 205. lifting rope; 206. lifting ring; 3. movable groove; 301. limiting slide groove; 302. gear; 3021. rotating motor; 4. rack rack; 401. side baffle; 402. directional pulley; 5. clamping mechanism; 501. electric telescopic rod; 502. clamping plate; 5021. rubber anti-slip layer; 6. shock-absorbing and buffering mechanism; 601. spring damper; 602. foam buffer pad. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described 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, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0027] Example:

[0028] The utility model provides a lifting machinery safety protection device, which aims to solve the technical problem that the center of gravity cannot be positioned when lifting goods in the prior art, resulting in uneven force and affecting the stability of lifting;

[0029] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0030] A lifting machinery safety protection device comprises a placing platform 1, wherein three sides of the top of the placing platform 1 are fixedly connected with protective baffles 101, a reinforcing rib 1011 is fixedly connected at the connection between the protective baffle 101 and the placing platform 1, the reinforcing rib 1011 improves the connection strength between the protective baffle 101 and the placing platform 1, and a plurality of groups of rollers 102 are rotatably connected to the top of the placing platform 1, the rollers 102 improve the smoothness of the movement and adjustment of the goods.

[0031] Among them, see Figure 1 , Figure 2 and Figure 3 A lifting mechanism 2 is provided on the top of the protective baffle 101, and the lifting mechanism 2 is composed of a connecting rod 201, a fixing ring 1 202, a lifting frame 203, a fixing ring 204, a lifting rope 205 and a lifting ring 206. Connecting rods 201 are fixedly connected to both sides of the top of the protective baffle 101, a pair of fixing rings 1 202 are fixedly connected to the top of the connecting rod 201, a lifting frame 203 is provided above the connecting rod 201, a pair of fixing rings 204 are fixedly connected to both sides of the bottom of the lifting frame 203, a lifting rope 205 is connected between the fixing ring 204 and the fixing ring 1 202, and a lifting ring 206 is fixedly connected to the top center of the lifting frame 203. The lifting machinery lifts the protective device as a whole through the lifting ring 206, and a reinforcing rib 2 is fixedly connected to the connection between the lifting ring 206 and the lifting frame 203, and the reinforcing rib 2 enhances the connection strength between the lifting ring 206 and the lifting frame 203.

[0032] For further information, see Figure 1 , Figure 2 and Figure 3 A pair of movable grooves 3 are provided on one side of the placement table 1, and a pair of limiting sliding grooves 301 are provided on the top of the movable grooves 3. The interior of the movable grooves 3 is located below the rack rack 4 and is rotatably connected to a gear 302. One side of the gear 302 is located outside the placement table 1 and a rotating motor 3021 is installed. The rotating motor 3021 drives the gear 302 to rotate, so that the gear 302 is engaged with the bottom of the rack rack 4, and drives the side baffle 401 to move and open, so as to facilitate the loading and unloading of goods.

[0033] For further information, see Figure 1 , Figure 2 and Figure 4 The movable groove 3 is internally slidably connected with a rack rack 4, and the side of the rack rack 4 away from the protective baffle 101 is fixedly connected with a side baffle 401. The top of the rack rack 4 and the position corresponding to the limiting slide groove 301 are rotatably connected with a plurality of groups of directional pulleys 402. The rack rack 4 is slidably connected with the limiting slide groove 301 through the directional pulley 402, thereby improving the smoothness of the movement of the rack rack 4.

[0034] For further information, see Figure 1 , Figure 2 and Figure 3A clamping mechanism 5 is provided between the side baffle 401 and the protective baffle 101, and the clamping mechanism 5 is composed of an electric telescopic rod 501 and a clamping plate 502. A pair of electric telescopic rods 501 are installed on the corresponding sides between the side baffle 401 and the protective baffle 101, and a clamping plate 502 is installed on one side of the electric telescopic rod 501. A rubber anti-skid layer 5021 is provided on the side of the clamping plate 502 away from the electric telescopic rod 501. The electric telescopic rod 501 pushes the cargo to the center through the clamping plate 502, and clamps and limits the two sides of the cargo. The rubber anti-skid layer 5021 enhances the anti-skid property of the clamping plate 502 on the cargo, thereby improving the stability of cargo lifting.

[0035] For further information, see Figure 2 and Figure 3 A shock absorbing and buffering mechanism 6 is provided at the bottom of the placement platform 1. The shock absorbing and buffering mechanism 6 is composed of a spring damper 601 and a foam buffer pad 602. Several groups of spring dampers 601 are installed on both sides of the bottom of the placement platform 1. The bottom of the spring damper 601 is fixedly connected with a foam buffer pad 602. When the protective device touches the ground, the spring damper 601 drives the foam buffer pad 602 to provide shock absorption and buffering for the goods stored inside the protective device, thereby improving the stability of the cargo lifting.

[0036] In addition, it should be added based on the contents of the above embodiments that the rotary motor 3021, the electric telescopic rod 501 and the spring damper 601 are all existing technologies, and their internal working principles and operating procedures will not be described in detail here.

[0037] The working process of the utility model is as follows: first, the goods are placed on the top of the placing table 1, and the rotating motor 3021 drives the gear 302 to rotate, so that the gear 302 is engaged with the bottom of the rack frame 4, and the side baffle 401 is driven to move and close. The electric telescopic rod 501 pushes the goods to the center through the clamping plate 502, and clamps and limits the two sides of the goods. The roller 102 improves the smoothness of the movement and adjustment of the goods. The lifting machinery lifts the protective device as a whole through the lifting ring 206. When the protective device touches the ground, the spring damper 601 drives the foam cushion 602 to provide shock absorption and buffering for the goods stored inside the protective device, thereby improving the stability of the cargo lifting.

[0038] The entire operation process is simple and convenient. Compared with the existing safety protection devices, the utility model can adjust and correct the position of the goods through design, improve the stability of the cargo lifting, and avoid swinging and tilting due to unstable center of gravity during the lifting process.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting machinery safety protection device, comprising a placement platform (1), characterized in that: The top three sides of the placing platform (1) are all fixedly connected with protective baffles (101), the top of the protective baffle (101) is provided with a lifting mechanism (2), the top of the placing platform (1) is rotatably connected with a plurality of rollers (102), one side of the placing platform (1) is provided with a pair of movable grooves (3), the top of the movable groove (3) is provided with a pair of limiting sliding grooves (301), the inside of the movable groove (3) is slidably connected with a rack frame (4), the side of the rack frame (4) away from the protective baffle (101) is fixedly connected with a side baffle (401), the inside of the movable groove (3) is located below the rack frame (4) and is rotatably connected with a gear (302), one side of the gear (302) is located outside the placing platform (1) and is equipped with a rotating motor (3021), a clamping mechanism (5) is provided between the side baffle (401) and the protective baffle (101), and a shock absorbing and buffering mechanism (6) is provided at the bottom of the placing platform (1).

2. A lifting machinery safety protection device according to claim 1, characterized in that: A reinforcing rib 1 (1011) is fixedly connected at the connection between the protective baffle (101) and the placement platform (1).

3. A lifting machinery safety protection device according to claim 1, characterized in that: The gear (302) is meshed with the bottom of the rack frame (4).

4. A lifting machinery safety protection device according to claim 1, characterized in that: The lifting mechanism (2) is composed of a connecting rod (201), a fixing ring 1 (202), a lifting frame (203), a fixing ring 2 (204), a lifting rope (205) and a lifting ring (206); the top sides of the protective baffle (101) are fixedly connected with the connecting rod (201); the top of the connecting rod (201) is fixedly connected with a pair of fixing rings 1 (202); a lifting frame (203) is provided above the connecting rod (201); the bottom sides of the lifting frame (203) are fixedly connected with a pair of fixing rings 2 (204); a lifting rope (205) is connected between the fixing ring 2 (204) and the fixing ring 1 (202); the top center of the lifting frame (203) is fixedly connected with a lifting ring (206); the connection between the lifting ring (206) and the lifting frame (203) is fixedly connected with a reinforcing rib 2.

5. A lifting machinery safety protection device according to claim 1, characterized in that: A plurality of groups of directional pulleys (402) are rotatably connected to the top of the rack frame (4) and at a position corresponding to the limiting slide groove (301), and the rack frame (4) is slidably connected to the limiting slide groove (301) via the directional pulleys (402).

6. A lifting machinery safety protection device according to claim 1, characterized in that: The clamping mechanism (5) is composed of an electric telescopic rod (501) and a clamping plate (502); a pair of electric telescopic rods (501) are installed on one side corresponding to the side baffle plate (401) and the protective baffle plate (101); a clamping plate (502) is installed on one side of the electric telescopic rod (501); and a rubber anti-slip layer (5021) is provided on a side of the clamping plate (502) away from the electric telescopic rod (501).

7. A lifting machinery safety protection device according to claim 1, characterized in that: The shock absorbing and buffering mechanism (6) is composed of a spring damper (601) and a foam buffer pad (602). Several groups of spring dampers (601) are installed on both sides of the bottom of the placement platform (1), and the bottom of the spring damper (601) is fixedly connected to the foam buffer pad (602).

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