Laceration evaluation method

Abstract

This invention provides a laceration evaluation method that can evaluate lacerations by simulating the actions of a worker. [Solution] The laceration evaluation method includes the steps of: operating the finger dummy kit 10 using a first operating mechanism 20 that operates the finger dummy kit 10 at an arbitrary speed; operating the object that can come into contact with the finger dummy kit 10 using a second operating mechanism that operates the object at an arbitrary speed; and operating the finger dummy kit and the object that can come into contact with the finger dummy kit to simulate the actions of an operator under working conditions equivalent to those of an actual operator, thereby causing the finger dummy kit to lacerate.

Description

Technical Field

[0001] The present invention relates to a method for evaluating lacerations.

Background Art

[0002] For example, there is a dummy for safety evaluation including a bone part made of a metal-based material, an endothelial part made of a foamed rubber-based material surrounding the outer periphery of the bone part, and an outer skin part made of a silicone rubber-based material surrounding the outer periphery of the endothelial part (see, for example, Japanese Patent Application Laid-Open No. 2010-49194).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In the method for evaluating lacerations, a finger dummy kit was held by hand, and the finger dummy kit held by hand was brought into contact with a dangerous object. In this case, it was possible to evaluate the laceration when the dangerous object contacted in the stopped state of the operator, but it was not possible to evaluate the laceration in the state where the operator was moving.

[0005] The present invention provides a method for evaluating lacerations that can simulate the actions of an operator and evaluate lacerations.

Means for Solving the Problems

[0006] A laceration evaluation method according to one aspect of the present invention includes the steps of: operating a finger dummy kit using a first operating mechanism that operates the finger dummy kit at an arbitrary speed; operating an object that can come into contact with the finger dummy kit using a second operating mechanism that operates the object at an arbitrary speed; and operating the finger dummy kit and the object that comes into contact with the finger dummy kit to simulate the actions of an operator under working conditions equivalent to those of an actual operator, thereby causing a laceration to the finger dummy kit. [Effects of the Invention]

[0007] According to one aspect of the present invention, a method for evaluating lacerations that simulates the actions of a worker can be provided. [Brief explanation of the drawing]

[0008] [Figure 1] This is a schematic diagram showing a state in which a laceration evaluation method is being performed in one embodiment. [Modes for carrying out the invention]

[0009] The laceration evaluation method according to an embodiment of the present invention will be described below. Figure 1 shows arrows indicating the X-axis, Y-axis, and Z-axis directions, which are orthogonal to each other. The directions include the directions indicated by the arrows and their reverse directions.

[0010] The laceration evaluation method includes the step of operating the finger dummy kit 10 using a first operating mechanism 20 that operates the finger dummy kit 10 at an arbitrary speed. The finger dummy kit 10 may be a model that mimics a human finger. The finger dummy kit 10 may, for example, comprise a bone portion made of a metal-based material, an inner skin portion made of a foamed rubber-based material surrounding the outer circumference of the bone portion, and an outer skin portion made of a silicone rubber-based material surrounding the outer circumference of the inner skin portion. The finger dummy kit 10 may, for example, mimic an index finger. The finger dummy kit 10 uses biomaterials as indicators. The finger dummy kit 10 is fitted with workwear 11. The workwear 11 may be protective equipment that protects the worker's fingers. The workwear 11 may, for example, be protective gloves.

[0011] The first operating mechanism 20 can operate the finger dummy kit 10 at any speed. The first operating mechanism 20 includes a drive source for moving the finger dummy kit 10, a power transmission mechanism for transmitting the driving force from the drive source, and a guide mechanism for guiding the movement of the finger dummy kit 10. The drive source may be, for example, an electric cylinder, a hydraulic cylinder, or a motor. The first operating mechanism 20 may move the finger dummy kit 10 in the X-axis direction to approach the object to be interfered with 30.

[0012] The object to be interfered with 30 may be, for example, a metal plate. The shape and material of the object to be interfered with 30 are not particularly limited. The object to be interfered with 30 may be, for example, a part of a workpiece.

[0013] The second operating mechanism 40 can support the object to be interfered with 30 and move the object to be interfered with 30 at any speed. The second operating mechanism 40 may be, for example, a robot for industrial use. The second operating mechanism 40 may be a device that suspends the object to be interfered with 30 and moves the object to be interfered with 30. The second operating mechanism 40 may move the object to be interfered with 30 upward, downward, or horizontally. The second operating mechanism 40 can move the object to be interfered with 30 away from the finger dummy kit 10. The second operating mechanism 40 can hold the object to be interfered with 30 in a stationary state in the air.

[0014] The laceration evaluation method allows for appropriate laceration evaluation in processes such as sheet metal fabrication. Specifically, the laceration evaluation method can perform laceration evaluation under conditions equivalent to actual work processes, such as the worker's walking speed and maximum entry speed into equipment. Conventional methods could not perform laceration evaluation while the worker was moving. For example, if a person held and moved the finger dummy kit 10 by hand, consistent test results could not be obtained, making accurate risk assessment impossible.

[0015] The laceration evaluation method according to this embodiment allows for accurate estimation of the degree of laceration by performing laceration evaluation under conditions equivalent to those of the actual work process. Based on these evaluation results, work processes can be reviewed and capital investments can be optimized.

[0016] For example, laceration evaluation may be performed under the following conditions: The maximum entry speed into the work area may be, for example, 2000 mm / s. The worker's walking speed may be 1300 mm / s.

[0017] The work process evaluated using the laceration evaluation method may include, for example, a sheet metal transport process using lifting equipment. The sheet metal transport process includes the process of transporting metal sheets for sheet metal work. The work process may include a process in which an operator transports the metal sheets using lifting equipment and a process in which the metal sheets are automatically transported using lifting equipment. The work process may also be a process in which an operator and automated equipment coexist. The laceration evaluation method can evaluate the degree of laceration risk in the work process.

[0018] For example, with industrial robots, workers cannot access the sheet metal from outside the process, but with collaborative robots, safety is guaranteed, allowing workers to enter the process area. Therefore, it is necessary to perform safety evaluations in processes where sheet metal is being made using collaborative robots. The tear evaluation method according to this embodiment can be used to perform safety evaluations in processes where sheet metal is being made using collaborative robots.

[0019] The sheet metal transport process includes a step in which an inspection camera photographs the position of the metal plates loaded on a trolley, and a step in which a collaborative robot holds the metal plates using magnets. The sheet metal transport process also includes a step in which the metal plates are set on a platform for the next process. The work process may also include a trolley replacement process. The work process may also include a sheet metal positioning process.

[0020] The laceration evaluation method according to this embodiment includes a step of operating the finger dummy kit 10 using a first operating mechanism 20 that operates the finger dummy kit 10 at an arbitrary speed, a step of operating an interfering object 30 using a second operating mechanism 40 that operates the interfering object 30 that can come into contact with the finger dummy kit 10 at an arbitrary speed, and a step of operating the finger dummy kit 10 and the interfering object 30 to simulate the operation by an operator under working conditions equivalent to the working process actually performed by the operator, and bringing the finger dummy kit 10 into contact with the interfering object 30 to cause laceration of the finger dummy kit 10.

[0021] According to such a laceration evaluation method, it is possible to perform laceration evaluation in a state where the operator is moving by using the first operating mechanism 20 without holding the finger dummy kit 10 by hand. Under actual working conditions, laceration evaluation can be performed by simulating the operation by the operator, and the operation of the operator and the operation of the collaborative robot can be evaluated using the evaluation result. As a result, the safety in the working process can be improved.

[0022] As described above, the preferred embodiments of the present invention have been described in detail, but the present invention is not limited to these embodiments, and various modifications or changes are possible within the scope of the gist of the present invention described in the claims.

Explanation of reference numerals

[0023] 10... finger dummy kit, 11... work clothing, 20... first operating mechanism, 30... interfering object, 40... second operating mechanism.

Claims

[Claim 1] A step of operating the finger dummy kit using a first operating mechanism that operates the finger dummy kit at an arbitrary speed, A second operating mechanism that moves the object to be interfered with, which can come into contact with the finger dummy kit, at an arbitrary speed, is used to move the object to be interfered with, A laceration evaluation method comprising the steps of operating the finger dummy kit and the object to be interfered with in order to simulate the actions of the worker under working conditions equivalent to those of the actual work process performed by the worker, thereby causing the finger dummy kit to lacerate by bringing it into contact with the object to be interfered with.

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