Measurement device for three-way frame of elevator

Abstract

To provide a measurement device capable of measuring each dimension of a three-way frame of an elevator by one worker in a short time.SOLUTION: A measurement device 10 for measuring each dimension of a three-way frame 7 of an elevator 5 includes a rod-shaped body 11 which is extendable and can be fixed at an arbitrary length, an arithmetic unit 20 for calculating the length of the body 11, and a display unit 23 for displaying the length of the body 11 calculated by the arithmetic unit 20. The arithmetic unit 20 calculates a difference between the length of the body 11 measured this time and the length of the body 11 measured last time. The display unit 23 displays the difference calculated by the arithmetic unit 20.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a measuring device for measuring the dimensions of an elevator jamb. [Background technology]

[0002] The jamb 7 of the elevator 5 will be described with reference to FIG.

[0003] An elevator 5 is a device that raises and lowers a car in a hoistway that extends vertically in a building. A jamb 7 that covers the opening of the hoistway is provided at the landing 6 on each floor of the elevator 5. In addition, a landing door 8 that opens and closes in conjunction with the car door of the elevator 5 is provided at the opening. There is a small gap 9 between the jamb 7 and the landing door 8.

[0004] For example, if a fire breaks out in a building, smoke and the like generated by the fire will pass through the gap 9 and enter from the hoistway to the landing side, or from the landing side to the hoistway. Therefore, measures have been taken to seal the gap 9 with an airtight member. Specifically, an airtight member is attached to the existing three-sided frame 7 and reinstalled. However, if the existing three-sided frame 7 is deformed, the gap 9 cannot be completely filled even if an airtight member is attached, and smoke blocking performance cannot be ensured.

[0005] Therefore, before attaching an airtight member to an existing frame 7, each dimension of the frame 7 is measured to determine whether the frame 7 is deformed. For example, Patent Document 1 discloses a shape inspection device for inspecting the shape of the frame 7. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] JP 2014-215049 A Summary of the Invention [Problem to be solved by the invention]

[0007] However, the shape inspection device disclosed in Patent Document 1 requires the work to be performed by a plurality of workers, and the measurement work is complicated, which raises concerns about the long measurement time.

[0008] SUMMARY OF THE PRESENT EMBODIMENT An object of the present invention is to provide a measuring device that enables a single worker to measure each dimension of an elevator's jamb in a short period of time. [Means for solving the problem]

[0009] The measuring device of the present invention is a measuring device that measures each dimension of an elevator's three jambs, and is characterized by having a rod-shaped main body that is extendable and can be fixed at any length, a calculation unit that calculates the length of the main body, and a display unit that displays the length of the main body calculated by the calculation unit.

[0010] With the above configuration, each dimension of the elevator jamb can be measured by one worker in a short amount of time.

[0011] In the measuring device of the present invention, it is preferable that the calculation unit calculates the difference between the body length currently measured and the body length previously measured, and the display unit displays the difference calculated by the calculation unit.

[0012] With the above configuration, it is possible to improve work efficiency, for example, when calculating the difference between the dimension of one diagonal line of a frame and the dimension of the other diagonal line. Effect of the Invention

[0013] According to the measuring device of the present invention, each dimension of an elevator jamb can be measured by a single worker in a short amount of time. [Brief description of the drawings]

[0014] [Figure 1] FIG. 1 is a schematic diagram illustrating a measurement device according to an embodiment. [Diagram 2]FIG. 2 is a block diagram showing a configuration of a calculation unit. [Diagram 3] 4A and 4B are schematic diagrams showing examples of displays on a display unit. [Figure 4] FIG. 2 is a schematic diagram showing a method for measuring the dimensions of a frame on three sides using a measuring device. [Diagram 5] FIG. 2 is a perspective view showing a three-sided jamb according to the embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0015] An example of an embodiment of the present invention will be described in detail below. In the following description, specific shapes, materials, directions, values, etc. are merely examples for the purpose of easily understanding the present invention, and can be appropriately changed according to the application, purpose, specifications, etc.

[0016] [Measuring equipment] The measuring device 10 will be described with reference to FIGS. 1 to 3 and 5. FIG.

[0017] The measuring device 10 is a device that measures each dimension of the jamb 7 of the elevator 5. As will be described in detail later, the measuring device 10 allows one worker to measure each dimension of the jamb 7 of the elevator 5 in a short time. This makes it possible to improve the work efficiency when measuring each dimension of the jamb 7.

[0018] As shown in FIG. 1, the measuring device 10 comprises an extendable rod-shaped main body 11, a calculation unit 20 that calculates the length of the fixed main body 11, and a display unit 23 that displays the length of the main body 11 calculated by the calculation unit 20.

[0019] The main body 11 has a cylindrical base 12, cylindrical end portions 13, 14 provided at both ends of the base 12, and contact portions 15, 16 provided at the tip sides of the ends 13, 14. The base 12 is provided with a shoulder belt 17, a calculation unit 20, an operation button 22, and a display unit 23, which will be described later.

[0020] The end portion 13 is stored in the base portion 12 or protrudes to one side of the base portion 12. The end portion 13 and the base portion 12 are fixed by rotating a fixing ring 12A provided at one end portion of the base portion 12. This fixes the length of the end portion 13 protruding from the base portion 12. An abutment portion 15, which will be described later, is provided at one end portion (tip portion) of the end portion 13.

[0021] The end portion 14 is stored in the base portion 12 or protrudes to one side of the base portion 12. The end portion 14 and the base portion 12 are fixed by rotating a fixing ring 12B provided at one end portion of the base portion 12. This fixes the length of the end portion 14 protruding from the base portion 12. The other end portion (tip portion) of the end portion 14 is provided with an abutment portion 16, which will be described later.

[0022] With this configuration, the protruding length of end 13 from base 12 and the protruding length of end 14 from base 12 can be fixed by fixing ring 12A and fixing ring 12A, thereby fixing main body 11 to any desired length.

[0023] The contact parts 15 and 16 are provided at both ends of the main body 11, respectively, and are formed in a cone shape. The contact parts 15 and 16 are portions that contact the inside of the jamb 7 when the dimensions of the jamb 7 are measured by the measuring device 10. The contact parts 15 and 16 are preferably formed of, for example, a rubber member. This makes it possible to prevent scratches, etc. on the jamb 7 when the contact parts 15 and 16 contact the jamb 7. The length of the main body 11 is the length from the tip of the contact part 15 to the tip of the contact part 16.

[0024] The shoulder belt 17 is provided on the side peripheral surface of the main body 11. It is preferable that the length of the shoulder belt 17 is adjustable. The shoulder belt 17 allows an operator to carry the measuring device 10 by hanging it over the shoulder.

[0025] As shown in FIGS. 1 and 2, the calculation unit 20 is connected to a detection unit 21, an operation button 22, and a display unit 23, which will be described later.

[0026] The detection unit 21 detects the length of the fixed main body 11. The detection unit 21 may be, for example, a linear encoder that detects the amount of movement of pinions provided at the ends 13 and 14 relative to a rack provided at the base 12. However, the detection unit 21 is not limited to a linear encoder and may be any mechanism that can convert distance into an electrical signal.

[0027] The operation button 22 is a button for turning ON or OFF the calculation unit 20. The operation button 22 may be, for example, a self-holding push button that holds the ON state of the calculation unit 20 even if the button is pressed and then released, and returns to OFF when pressed again. The operation button 22 may be provided on the base 12.

[0028] The display unit 23 displays the length of the fixed main body 11 calculated by the calculation unit 20. The display unit 23 allows the length of the main body 11 to be visually confirmed. The display unit 23 may be provided on the base 12. The display unit 23 may be provided in the vicinity of the operation button 22 of the base 12.

[0029] The calculation unit 20 calculates the length of the fixed main body 11. The calculation unit 20 has a CPU (Central Processing Unit) which is a calculation processing unit, and storage units such as a RAM (Random Access Memory) and a ROM (Read Only Memory), and performs signal processing according to a program stored in advance in the ROM while utilizing the temporary storage function of the RAM.

[0030] The calculation unit 20 has a main body length calculation unit 25 and a difference calculation unit 26, each of which will be described in detail later. The main body length calculation unit 25 and the difference calculation unit 26 are realized by the CPU executing a program stored in the ROM or RAM.

[0031] As shown in Fig. 3(A), when operation button 22 is pressed once, main body length calculation unit 25 converts the length of fixed main body 11 detected by detection unit 21 into millimeters to two decimal places and displays the calculated length of main body 11 on display unit 23. Using main body length calculation unit 25, each dimension of jamb 7 of elevator 5 can be measured by one worker in a short time. This improves the work efficiency when measuring each dimension of jamb 7.

[0032] 3(B), when operation button 22 is pressed twice in succession, difference calculation unit 26 calculates the difference between the currently measured length of main body 11 and the previously measured length of main body 11, and displays the calculated difference on display unit 23. Difference calculation unit 26 can improve work efficiency when calculating, for example, the difference between the dimension of one diagonal line and the dimension of the other diagonal line of frame 7.

[0033] [Measurement method] A method for measuring the dimensions of jamb 7 using measuring device 10 will be described with reference to FIG.

[0034] As described above, when attaching an airtight member to an existing jamb 7 and reinstalling it, if the shape of the jamb 7 has been deformed, the gap 9 between the jamb 7 and the landing door 8 cannot be completely filled even if the airtight member is attached, and smoke blocking performance cannot be ensured.

[0035] Therefore, before attaching an airtight member to the existing frame 7, the dimensions of the frame 7 are measured to determine whether the frame 7 has been deformed. Specifically, the deviation between the dimensions of one diagonal line and the other diagonal line of the frame 7, the deviation between the width dimension of the upper end and the width dimension of the lower end of the frame 7, and the deviation between the height dimension of the left end and the height dimension of the right end of the frame 7 are measured to determine whether the frame 7 has been deformed.

[0036] For example, an operator measures the dimensions of one diagonal and the other diagonal of frame 7, and if the difference between the dimensions of one diagonal and the other diagonal is within a specified range, determines that frame 7 is not tilted. First, an operator places measuring device 10 along one diagonal of frame 7, and causes end portions 13, 14 to protrude from base 12, respectively, and brings abutment portions 15, 16 into contact with the corners of frame 7.

[0037] Next, with abutment portions 15, 16 in contact with the corners of frame 7, the worker rotates fixing rings 12A, 12B to fix ends 13, 14 from base 12, thereby fixing the length of main body 11. Next, the worker presses operation button 22 once to measure the length of main body 11 (the dimension of one diagonal of frame 7).

[0038] Meanwhile, the worker places the measuring device 10 along the other diagonal of the frame 7, fixes the length of the main body 11 in the same manner, and presses the operating button 22 to measure the length of the main body 11 (the dimension of the other diagonal of the frame 7).

[0039] Furthermore, the worker presses the operation button 22 once again to display the difference between the previously measured dimension of one diagonal of the frame 7 and the currently measured dimension of the other diagonal of the frame 7, and determines whether the difference is within a specified range.

[0040] It should be noted that the present invention is not limited to the above-described embodiment and its modified examples, and various modifications and improvements are possible within the scope of the matters described in the claims of this application. [Explanation of symbols]

[0041] 5 elevator, 6 landing, 7 jamb, 8 landing door, 9 gap, 10 measuring device, 11 main body, 12 base, 12A fixing ring, 12B fixing ring, 13 end, 14 end, 15 contact part, 16 contact part, 17 shoulder belt, 20 calculation part (calculation part), 21 detection part, 22 operation button, 23 display part, 25 main body length calculation part, 26 difference calculation part

Claims

1. A measuring device for measuring the dimensions of the three sides of an elevator, A rod-shaped main body that is extendable and can be fixed at any length; A calculation unit for calculating the length of the main body; a display unit that displays the length of the main body calculated by the calculation unit; Equipped with An elevator jamb measuring device.

2. The elevator jamb measuring device according to claim 1, The calculation unit calculates a difference between the currently measured length of the body and the previously measured length of the body, The display unit displays the difference calculated by the calculation unit. An elevator jamb measuring device.

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