Overload and height protection device for double-beam KBK trolley

Abstract

The utility model relates to the technical field of cargo transportation, in particular to a double-beam KBK trolley overload and height protection device. The KBK frame comprises an electric chain hoist and a KBK frame body mounted on a top fixing seat of the electric chain hoist through a fixing piece. The fixing piece comprises an overload protection device arranged between the cross beam supports, and a middle main stress pin shaft penetrating through the electric chain hoist fixing base, the cross beam support on the top of the KBK frame body and the overload protection device. The fixing shafts are arranged on the two sides of the main stress pin shaft respectively and penetrate through a top beam support of the KBK frame body and an overload protection device respectively, and the shaft pin type sensors are arranged in the fixing shafts. Compared with the prior art, the overload limiting device has the advantages that the overload limiting device is arranged on the KBK trolley, overload protection is achieved for a KBK structure, height limiting protection is achieved by measuring a lifting hook body through the infrared proximity switch, meanwhile, the chain hoist is provided with protection, and safety is improved through two sets of protection.

Description

Technical Field

[0001] The utility model relates to the technical field of cargo transportation, in particular to an overload and height protection device for a double-beam KBK trolley. Background Art

[0002] Suspension conveyor line is a commonly used continuous conveying equipment, which is widely used to continuously convey various finished articles and goods in containers or bags in factories. It can also be used in the assembly lines of various industrial departments to convey workpieces between various processes, complete various process steps, and realize the comprehensive automation of conveying and process operations.

[0003] In the prior art, a switch is provided on the chain hoist body to provide protection, but the trolley body is not protected. During use, the trolley body may be affected by overweight and height, thereby causing collisions and accidents.

[0004] Therefore, it is necessary to design a double-beam KBK trolley overload and height protection device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a double-beam KBK trolley overload and height protection device to overcome the above-mentioned shortcomings of the current prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A double-beam KBK trolley overload and height protection device, comprising an electric chain hoist, a KBK frame body mounted on a fixing seat at the top of the electric chain hoist through a fixing piece, two groups of crossbeam brackets are arranged on the top of the KBK frame body, and the fixing seat of the electric chain hoist is placed between the crossbeam brackets. The invention is characterized in that: the fixing piece comprises an overload protection device placed between the crossbeam brackets, an intermediate main force-bearing pin shaft penetrating the electric chain hoist fixing seat, the crossbeam bracket on the top of the KBK frame body and the overload protection device, fixed shafts respectively arranged on both sides of the main force-bearing pin shaft and respectively penetrating the crossbeam bracket on the top of the KBK frame body and the overload protection device, and an axle pin type sensor placed in the fixed shaft, and an infrared proximity switch is installed at the bottom of one side of the KBK frame body through a mounting plate.

[0008] Preferably, an open groove is provided at the bottom of the fixed shaft, a fixing plate is installed in the open groove, and the fixing plate is fixed to the outside of the KBK frame body by bolts.

[0009] Preferably, one side of the fixing plate is attached to the outer side of the KBK frame body.

[0010] The beneficial effects of the utility model are as follows: the technical solution arranges an overload limiting device on the KBK trolley to realize overload protection for the KBK structure, and measures the hook body through an infrared proximity switch to realize height limit protection. At the same time, the chain hoist is provided with protection, and the two sets of protection improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of a double-beam KBK trolley overload and height protection device of the utility model;

[0012] Figure 2 This is a top view of a double-beam KBK trolley overload and height protection device of the utility model;

[0013] Figure 3 This is a schematic diagram of a contoured vacuum module of a double-beam KBK trolley overload and height protection device of the utility model;

[0014] In the figure: 1. Electric chain hoist; 2. Fixing parts; 3. KBK frame body; 31. Crossbeam bracket; 11. Fixing seat; 21. Overload protection device; 22. Middle main force pin; 23. Fixed shaft; 24. Axle pin sensor; 4. Fixing plate; 41. Bolt; 5. Infrared proximity switch. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0017] Reference Figures 1 to 3 , a double-beam KBK trolley overload and height protection device, which includes a chain electric hoist 1, a KBK frame body 3 installed on a top fixing seat of the chain electric hoist through a fixing member 2;

[0018] Two sets of crossbeam brackets 31 are arranged on the top of the KBK frame body, and the fixing seat 11 of the chain electric hoist 1 is placed between the crossbeam brackets;

[0019] The fixing part 2 includes an overload protection device 21 placed between the crossbeam brackets, an intermediate main force pin 22 that passes through the chain electric hoist fixing seat, the top crossbeam bracket of the KBK frame body and the overload protection device, a fixed shaft 23 that is respectively arranged on both sides of the main force pin and passes through the top crossbeam bracket of the KBK frame body and the overload protection device, and an axle pin sensor 24; the chain hoist body is not equipped with an overload limiter, and the load limiting function is achieved through a friction clutch, which is unsafe for the KBK structure. An overload limiting device is set on the KBK trolley frame to achieve overload protection for the KBK steel structure, and the friction clutch is set as the second protection. If the overload force is applied, the axle pin sensor is squeezed and transmitted to the console, and is automatically disconnected, and it cannot be started, which plays a protective role.

[0020] In order to increase the stability of the fixed shaft 23, an open groove is opened at the bottom of the fixed shaft 23, and a fixing plate 4 is installed in the open groove. The fixing plate is fixed to the outside of the KBK frame body by bolts 41, and one side of the fixing plate is attached to the outside of the KBK frame body.

[0021] An infrared proximity switch 5 is installed at the bottom of one side of the KBK frame body 3 through a mounting plate, and the infrared proximity switch 5 is used to measure the hook body to achieve height limit protection; if the height is exceeded, a signal is transmitted and the power supply is cut off;

[0022] The utility model is beneficial in that the technical solution sets an overload limiting device on the KBK trolley to realize overload protection for the KBK structure, and realizes height limit protection by measuring the hook body through an infrared proximity switch. At the same time, the chain hoist is provided with protection, and the two sets of protection improve safety.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A double-beam KBK trolley overload and height protection device, comprising a chain electric hoist, a KBK frame body mounted on a fixing seat on the top of the chain electric hoist through a fixing member, two sets of crossbeam brackets are arranged on the top of the KBK frame body, and the fixing seat of the chain electric hoist is placed between the crossbeam brackets, characterized in that: The fixing part includes an overload protection device placed between the crossbeam brackets, an intermediate main force pin shaft penetrating the chain electric hoist fixing seat, the top crossbeam bracket of the KBK frame body and the overload protection device, fixed shafts respectively arranged on both sides of the main force pin shaft and respectively penetrating the top crossbeam bracket of the KBK frame body and the overload protection device, and an axle pin type sensor placed in the fixed shaft, and an infrared proximity switch is installed at the bottom of one side of the KBK frame body through a mounting plate.

2. A double-beam KBK trolley overload and height protection device according to claim 1, characterized in that: An open groove is provided at the bottom of the fixed shaft, a fixing plate is installed in the open groove, and the fixing plate is fixed to the outer side of the KBK frame body by bolts.

3. A double-beam KBK trolley overload and height protection device according to claim 2, characterized in that: One side of the fixing plate is attached to the outer side of the KBK frame body.

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