Broken chain protection double-cylinder device for unloading and stacking machine

Abstract

The utility model provides a chain breakage protection double-cylinder device for an unloading and stacking machine, and belongs to the technical field of unloading and stacking machine equipment. Comprising a fixing plate and a protection hole plate, the protection hole plate is fixed to a cargo lifting component of the unloader and stacker crane, the fixing plate is fixed to a rack, on one side of the protection hole plate, of the unloader and stacker crane, a double-air-cylinder assembly is fixedly installed on the outer side of the fixing plate, supporting shafts are connected to two outputs of the double-air-cylinder assembly, and the two supporting shafts form double supporting shafts. The axes of the two supporting shafts are perpendicular to the fixing plate and penetrate through the guide holes in the fixing plate in a sliding mode, and the ends of the two supporting shafts directly face the protection hole plate. According to the scheme, the double-air-cylinder assembly design is adopted, the two supporting shafts are correspondingly arranged side by side, it is ensured that at least one supporting shaft can stretch into a hole site in the protection hole plate when equipment is located at any position, it is ensured that the equipment can be stopped immediately, goods are effectively prevented from falling, and the safety of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to unloading and stacking machine equipment technical field, concretely relates to a kind of chain break protection double cylinder device for unloading and stacking machine. BACKGROUND

[0002] In the running process of unloading and stacking machine, chain transmission system is the key component to realize cargo lifting and handling. However, due to various reasons, chain may appear the condition of rupture, which will lead to cargo falling, causing equipment damage and safety accident. At present, unloading and stacking machine on the market adopts single cylinder safety protection device in chain break protection, the setting of a cylinder cannot ensure that safety pin of cylinder is inserted into pin hole in the moment of chain rupture, lacks effective protection at any moment to deal with the condition of chain rupture. Therefore, it is necessary to propose improvement. UTILITY MODEL CONTENT

[0003] The utility model solves technical problem: provide a kind of chain break protection double cylinder device for unloading and stacking machine, the utility model purposes at solving the problem that existing unloading and stacking machine lacks effective protection when chain breaks, improve the safety and reliability of equipment.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0005] Chain break protection double cylinder device for unloading and stacking machine, including fixed plate and protection hole plate, the protection hole plate is fixed on the cargo lifting component of unloading and stacking machine, the fixed plate is fixed on the rack of unloading and stacking machine on the side of protection hole plate, double cylinder assembly is fixedly installed on the outside of fixed plate, two outputs of double cylinder assembly are connected with support shaft, two support shafts form double support shaft, the axis of two support shafts is perpendicular to fixed plate and slides through guide hole on fixed plate, two support shaft end heads are opposite to protection hole plate, a plurality of protection hole sites for inserting with support shaft are arranged on protection hole plate.

[0006] Further limit to the above scheme, the outside of fixed plate is fixedly connected with cylinder installation support, and double cylinder assembly is fixed on cylinder installation support.

[0007] Further limit to the above scheme, double cylinder assembly includes two single-action cylinders, two single-action cylinders are fixed on cylinder installation support, two single-action cylinders are arranged in upper and lower and axis is parallel to each other, and two support shafts are fixedly connected with the output end of two single-action cylinders respectively.

[0008] Further limit to the above scheme, the single-action cylinder plate is single-action spring extrusion type structure.

[0009] Further, the fixed plate is provided with two guide holes corresponding to the two support shafts, and a copper sleeve is fixed in each of the guide holes.

[0010] Further, the support shafts are made of high-strength steel.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] 1. The double-cylinder assembly design is adopted, and two parallel support shafts are provided, so that at least one support shaft can be inserted into the hole of the protection hole plate when the equipment is at any position, the equipment can be immediately stopped, strong support is provided for the equipment, the safety of the equipment is improved, and the falling of goods is effectively prevented.

[0013] 2. The cylinder is a single-acting cylinder, and when the chain is broken, power is cut off or gas is cut off, the compression spring in the single-acting cylinder can instantly eject the cylinder shaft without additional power, and the instantaneous protection of the broken chain is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides a structure schematic view of a broken chain protection double-cylinder device for an unstacking machine.

[0015] Figure 2 The utility model provides a working state diagram of a broken chain protection double-cylinder device for an unstacking machine in the broken chain protection. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0017] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0018] It is to be understood that the terms "including", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0019] Please refer to Figures 1-2 for a detailed description of the embodiments of the present application.

[0020] Embodiment: chain breakage protection double-cylinder device for unstacking machine, please refer to Figure 1 shown, comprising a fixed plate 5 and a protection hole plate 6, the protection hole plate 6 is fixed on the goods lifting component of the unstacking machine, the fixed plate 5 is fixed on the unstacking machine frame on one side of the protection hole plate 6, the outer side of the fixed plate 5 is fixedly installed with a double-cylinder assembly 1, two outputs of the double-cylinder assembly 1 are connected with support shafts 3-1, two support shafts 3-1 form double support shafts 3, the axes of two support shafts 3-1 are perpendicular to the fixed plate 5 and slide through the guide holes 5-1 on the fixed plate 5, the end heads of two support shafts 3-1 are opposite to the protection hole plate 6, and a plurality of protection hole positions 6-1 for plugging with the support shafts 3-1 are arranged on the protection hole plate 6 in an upper and lower distribution manner.

[0021] The chain breakage protection double-cylinder device in the embodiment, as a safety protection device, is in a normal state, the cylinder is ventilated, and the double support shafts are in a retracted state. When the chain of the equipment lifting device is broken, the chain breakage protection device is triggered, the double-cylinder device instantaneously drives the piston rod to push out, the support shafts immediately extend and are inserted into the protection hole plate, so that the equipment is prevented from falling, and the safety of personnel, equipment and materials is protected.

[0022] In the embodiment, a double-cylinder assembly is designed, and two side-by-side support shafts are correspondingly arranged, so that at least one support shaft can extend into the hole positions on the protection hole plate when the equipment is at any position, the equipment can be immediately stopped, a strong supporting force is provided for the equipment, the goods can be effectively prevented from falling, and the safety of the equipment is improved.

[0023] In a specific embodiment, the outer side of the fixed plate 5 is fixedly connected with a cylinder mounting bracket 2, and the double-cylinder assembly 1 is fixed on the cylinder mounting bracket 2.

[0024] In the above embodiment, the shape and size of the cylinder mounting bracket are designed according to the structure and working space of the unstacking machine, so that the cylinder mounting bracket can be perfectly installed with the unstacking machine.

[0025] In a specific embodiment: the double-cylinder assembly 1 comprises two single-acting cylinders 1-1, which are both fixed on the cylinder mounting bracket 2, and are arranged in an up-down manner and axially parallel to each other, and the two support shafts 3-1 are fixedly connected with the output ends of the two single-acting cylinders 1-1.

[0026] In the above embodiment, the double-cylinder assembly is composed of two cylinders of the same specification, which are fixed on the mounting bracket through the connecting piece; the end of the piston rod of the cylinder is connected with the support shaft, and when the chain is working normally, the support shaft maintains a certain gap with the protection hole plate system; when the chain is broken, the detection sensor detects the change of the state of the chain and sends a signal to the control system, and the control system immediately controls the cylinder to act, so that the piston rod is extended and the support shaft is quickly extended into the protection hole plate to provide support force and prevent the goods from falling.

[0027] Preferably, the single-acting cylinder plate 1-1 is a single-acting spring pressing type structure. When the chain is broken, power failure or gas failure occurs, the compression spring in the single-acting cylinder can instantly extend the cylinder shaft, ensuring the instant protection when the chain is broken.

[0028] In a specific embodiment: the fixed plate 5 is provided with two guide holes 5-1 corresponding to the two support shafts 3-1, and a copper bush 4 is fixed in each guide hole 5-1, and the support shaft 3-1 slides through the copper bush 4.

[0029] Preferably, the support shaft 3-1 is made of high-strength steel material, which has sufficient strength and rigidity and can withstand various forces generated during work. The shape and size of the support shaft are designed according to the structure and working space of the unstacker, so as to ensure that the support shaft can be perfectly installed with the unstacker.

[0030] The utility model can be connected with the control system of the unstacker, and the control system can quickly respond to control the cylinder to act, realize the chain breaking protection function, and improve the reliability of the equipment. The control system adopts a programmable logic controller or a microprocessor, etc., and has high reliability and stability. The control system receives the signal of the detection sensor and controls the action of the double-cylinder assembly according to the preset program. When the chain is detected to be broken, the control system can quickly respond to control the cylinder to act, realize the chain breaking protection function.

[0031] The utility model working state:

[0032] For example, when the chain is broken, the detection sensor detects the change of the state of the chain and sends a signal to the control system, and the control system immediately controls the cylinder to act, so that the piston rod is extended and the support shaft is quickly extended into the protection hole plate to provide support force and prevent the goods from falling. Figure 1As shown, in normal state, two single-acting cylinders 1-1 are fixed on the cylinder mounting support 2, and two support shafts 3-1 are installed on the fixed plate 5 through copper bushings 4, at this time, the single-acting cylinders 1-1 are in compression state, the support shafts 3-1 are in retracted state, and the two support shafts 3-1 keep a certain gap with the protection hole plate 6

[0033] As shown in the drawings, Figure 2 As shown, when the equipment lifting device chain is broken, the broken chain protection device is triggered, the two single-acting cylinders 1-1 drive the cylinder shaft to extend out, at this time, the two support shafts 3-1 immediately extend out and are inserted into the protection hole position 6-1 in the protection hole plate 6, so as to prevent the equipment from falling. After troubleshooting, the control system can control the piston rod of the single-acting cylinder 1-1 to retract, the support shaft 3-1 is separated from the protection hole plate 6, and the unloading and stacking machine resumes normal work.

[0034] The single-acting cylinder 1-1 in the utility model is a single-acting spring pressing type, when the chain is broken, power is cut off, or air is cut off, no additional power is needed, and the compression spring in the single-acting cylinder 1-1 can instantly pop out the cylinder shaft. The device adopts two single-acting cylinders 1-1 and two support shafts 3-1, which correspond to a plurality of hole positions on the protection hole plate 6, so that at least one support shaft 3-1 can extend into the protection hole position 6-1 on the protection hole plate 6 when the equipment is at any position, and the equipment can be immediately stopped.

[0035] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the involved claims.

[0036] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A broken chain protection double cylinder device for a depiler, comprising a fixed plate (5) and a protection hole plate (6), the protection hole plate (6) is fixed on the cargo lifting part of the depiler, the fixed plate (5) is fixed on the rack of the depiler on one side of the protection hole plate (6), characterized in that: The outer side of the fixed plate (5) is fixedly provided with a double-cylinder assembly (1), two output ends of the double-cylinder assembly (1) are connected with support shafts (3-1), the two support shafts (3-1) form a double support shaft (3), the two support shafts (3-1) are perpendicular to the fixed plate (5) and slide through guide holes (5-1) in the fixed plate (5), and the two support shafts (3-1) are opposite to a protection hole plate (6).

2. The dual cylinder device for chain break protection of a depiling machine according to claim 1, characterized in that: The outer side of the fixed plate (5) is fixedly connected with a cylinder mounting bracket (2), and the double-cylinder assembly (1) is fixed on the cylinder mounting bracket (2).

3. The dual cylinder device for chain breakage protection of a depiling machine according to claim 2, characterized in that: The double-cylinder assembly (1) comprises two single-acting cylinders (1-1), the two single-acting cylinders (1-1) are fixed on the cylinder mounting bracket (2), the two single-acting cylinders (1-1) are arranged in parallel with each other, and the two support shafts (3-1) are fixedly connected with output ends of the two single-acting cylinders (1-1).

4. The dual cylinder device for chain breakage protection of a depiling machine according to claim 3, characterized in that: The single-acting cylinder (1-1) is a single-acting spring pressing-out type structure.

5. The break-wire protection dual cylinder apparatus for a depiling machine according to claim 1, wherein: The fixed plate (5) is provided with two guide holes (5-1) corresponding to the two support shafts (3-1), and a copper bushing (4) is fixed in each guide hole (5-1), and the support shaft (3-1) slides in the copper bushing (4).

6. The break-wire protection dual cylinder apparatus for a depiling machine according to claim 1, wherein: The support shaft (3-1) is made of high-strength steel.

Images