KR100399749B1 - Cable numbering tester for helicopter - Google Patents

Abstract

The present invention relates to a cable numbering test equipment for helicopters, the conventional test equipment requires a separate power supply during operation, and because the variable must be electrically, there is a risk that a malfunction may occur due to the reliability of the test, Because the parts are made of steel, they may be corroded by the chemicals or solutions used in the test, and the size of the equipment is too large for the intended use, which takes up a lot of installation space. Since there are many problems such as the impossible to use the equipment effectively, the present invention can be carried out accurately and efficiently by the test equipment operated by pneumatic to test the discoloration after the numbering of the cables used in the helicopter In addition to increasing test equipment reliability, Not only can the productivity be improved by improving the work efficiency, but also the test can be carried out by pneumatic without the need for a separate power supply, thereby reducing the test cost, and the compact size of the equipment can reduce the installation space. Each part is made of aluminum to prevent corrosion by chemicals or solutions used during testing.

Description

Cable Numbering Test Equipment for Helicopters {CABLE NUMBERING TESTER FOR HELICOPTER}

The present invention relates to a cable numbering test equipment for helicopters, and more particularly, to enable accurate and efficient testing by test equipment operating by pneumatically checking whether or not discoloration of the number of cables used in the helicopter.

In general, helicopters, as well as aircraft, are connected with a myriad of cables, so that each cable is numbered for easy identification by the operator, and then if the numbering is erased while the numbered cables are connected, It is very difficult for an operator to identify the cable connection when repairing or inspecting the cable. Therefore, in order to prevent this, a test is performed in advance to check whether the numbering is erased, and then connect only the cable that has passed the test.

When testing the numbering state of the cable 1 as a conventional test equipment, as shown in Figure 1, by the drive of the motor 3 in the state in which the cable 1 is fixed to the upper portion of the cable pedestal (2) When the motor shaft 4 rotates, the rotary plate 5 coupled to the motor shaft 4 rotates, and at the same time, the operation link 6 having one end coupled to the center of the rotary plate 5 eccentrically is straight. The contact member 8 installed at the lower end of the operating shaft 7 as the reciprocating motion and the operating shaft 7 coupled with the other end of the operating link 6 interlocks with the designated chemical or solution. While the interlocking is in contact with the cable (1) proceeds the test, at this time the upper end of the operating shaft (7) is provided with a pressing member (9) for pressing the contact member (8) toward the cable (1).

However, the conventional test equipment for testing the numbering state of such a cable requires a separate power supply during operation, and a variable electrical must be performed, which may cause malfunctions. Because it is made of steel, it may be corroded by the chemicals or solutions used in the test, and the size of the equipment is so large that it takes up a lot of installation space, and it is impossible to cope with changing test conditions. There have been many problems such as the inability to use the equipment effectively.

Accordingly, the present invention is to solve the above-mentioned problems, it is possible to proceed the accurate and efficient test by the test equipment operating by pneumatic to the presence or absence of discoloration of the number of cables used in the helicopter to improve the reliability of the test equipment In addition to increasing productivity by increasing work efficiency, the cable numbering test equipment for helicopters can be used to test by pneumatics without the need for a separate power supply. The purpose is to provide.

Another object of the present invention is to provide a cable numbering test equipment for helicopters that can reduce the installation space by compactizing the size of the equipment, and can prevent the corrosion of each component by the chemicals or solutions used in the test have.

1 is a front view schematically showing a conventional test equipment

Figure 2 is an overall front view showing the present invention

Figure 3 is an overall plan view showing the present invention

4 is a main rear view of FIG. 2;

Figure 5 is a whole pneumatic circuit diagram showing the present invention Figure 6 is a perspective view of the main part of the present invention Figure 7 is a partial enlarged view illustrating the installation state of the stroke adjustment unit mounted on the guide rod

Explanation of symbols on the main parts of the drawings

10; Base 20; cable

30; Cable bracket 40; Cable fixing member

50; Support member 60; Rodless cylinder

70; Moving member 80; Stroke Adjusting Member

81; Guide cabinet 82; Guide rod 90; Limit switch 100; Support shaft 110; Pressing member 120; Cable contact member 130; Speed control valve 140; Control unit 150; Flow control valve 160; Counter 170; First button 180; 2nd button

In order to achieve the above object, the present invention is installed in the front upper center of the base and the cable support for the test cable is seated, respectively installed on both sides of the upper of the cable support for fixing the cable seated on the cable support A rodless cylinder mounted on an upper part of a cable fixing member, a support member installed on both sides of the upper part of the rear of the base, and actuated by pneumatics; A movable member for movement, a pair of stroke adjusting members mounted on a guide rod provided on one side of the movable member so as to adjust the movable stroke of the movable member, and provided on both rear sides of the rodless cylinder, respectively; The stroke adjusting member according to the left and right reciprocating linear motion of A limit switch for contacting and detecting the number of reciprocating linear movements of the movable member, a support shaft fastened to the front end of the movable member, and a pressing member coupled to an upper end of the support shaft end to press for testing toward the cable; And a cable contact member pressurized by the pressing member for contact with the numbering part of the cable to test for discoloration, a counter installed at the base, and a counter for counting the number of reciprocating linear movements of the movable member. Helicopter cable numbering test equipment comprising a switching means for pressing at initial start for testing and at emergency stop and re-starting in a reset state is provided.

In addition, the pair of stroke adjustment member is characterized in that it is installed to be movable left and right on both sides of the guide long groove formed in the guide rod.

In addition, the cable contact member is characterized in that it is installed in the form of a cloth or gauze wrapped with a specified chemical or solution. In addition, a speed control valve for adjusting the reciprocating speed of the rodless cylinder at one end of the rodless cylinder Characterized in that installed.

The switching means includes a first button installed at one side of the counter and configured to press the button again when it is started again, and a second button installed at one side of the first button to press the initial start and emergency stop. It is characterized by that.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention for achieving the above object will be described in detail.

2 is an overall front view showing the present invention, FIG. 3 is an overall plan view showing the present invention, FIG. 4 is a main rear view of FIG. 2, and FIG. 5 is an overall pneumatic circuit diagram showing the present invention.

According to the present invention, a cable pedestal 30 on which a test cable 20 is seated is installed in the center of the front upper portion of the base 10 of the test equipment for testing the discoloration after the number of cables used in the helicopter. The upper both sides of the 30 are respectively provided with a cable fixing member 40 which is moved up and down to rotate in order to compress and secure the cable 20 seated on the cable bracket 30, the upper portion of the rear of the base 10 Support members 50 are provided on both sides, and rodless cylinders 60 which are operated by pneumatic pressure are mounted on the support members 50.

In addition, the rodless cylinder 60 is provided with a moving member 70 for reciprocating linear movement from side to side by the operation of the rodless cylinder 60, respectively provided on both sides of the rear of the rodless cylinder 60 The stroke adjusting member 80 for adjusting the moving stroke of the moving member 70 is installed to be movable along the guide long groove 81 of the guide rod 82, and is provided at both rear sides of the rodless cylinder 60. Limit switches 90 are provided to contact the stroke adjusting member 80 according to the left and right reciprocating linear motions of the moving member 70 to detect the number of reciprocating linear motions of the moving member 70.

In addition, the upper end of the end of the support shaft 100 fastened to the front end of the movable member 70 is seated on the cable support 30 to the cable contact member toward the cable 20 fixed by the cable fixing member 40 The pressing member 110 for pressing the 120 is fastened, and the lower end of the support shaft 100 contacts the numbering part of the cable 20 to contact the numbering part of the cable 20 to test for a color change or a designated drug or solution. The cable contact member 120 is fastened in the form of a cloth or gauze wrapped therein.

In addition, a speed control valve 130 for adjusting the reciprocating speed of the rodless cylinder 60 is installed at one end of the rodless cylinder 60 to adjust the amount of air introduced into the rodless cylinder 60. Flow rate control valve 150 to be installed.

And, the upper part of the control unit 140 is provided with a counter 160 for counting the number of reciprocating linear motion of the moving member 70, one side of the counter 160 for pressing the start again in a reset state The first button 170 is installed, and one side of the first button 170 is provided with a second button 180 for pressing during initial start and emergency stop. Next, FIG. As described above, a cable pedestal 30 is installed to test the discoloration for the numbering of the cables used in the helicopter in FIG. 6, and the cable pedestal 30 is placed on the cable pedestal 30. 20) is fixed using the cable fixing member (40). In addition, the rodless cylinder 60 is guided with a left and right reciprocating linear motion, i.e., moving in the left and right direction of FIG. 6, by the operation of the rodless cylinder 60 by pneumatic pressure as shown in FIG. . 6 shows the shape of the moving member 70 and the coupling relationship between the moving member 70 and the rodless cylinder 60, the shape of the moving member 70, the moving member 70 and the rodless cylinder. The coupling relationship of the 60 is not limited to that shown in FIG. 6, and any coupling relationship may be employed as long as the moving member 70 and the rod lead cylinder 60 can move the moving member 70 to reciprocate linearly. In addition, the support shaft 100 is fastened to the front end of the movable member 70, coupled to the upper end of the support shaft 100 toward the cable 20 fixed by the cable fixing member 40. A pressing member 110 for pressing is provided, and a cable contact member 120 for contacting the numbering portion of the cable 20 to test for discoloration is provided. Next, FIG. 7 shows a guide groove ( 81) Establish the installation state of the stroke adjusting member 80 within. As a clear partial enlarged view, a pair of stroke adjusting members 80 are installed, and for the sake of explanation, the stroke adjusting members 80 on the left side show a state in which the guide grooves 81 are coupled using screws, and the stroke on the right side is shown. The adjusting member 80 shows the disassembled state before the screw is engaged in the guide groove 81 using screws. As shown in FIG. 7, the stroke adjusting member 80 is used to adjust the moving stroke of the moving member 70. ) Is used. At this time, the guide groove 81 is a groove formed in the guide rod 82 installed on one side of the moving member (70). In FIG. 7, when the pair of stroke adjusting members 80 are fastened and fixed to A and A 'of the guide groove 81 by using screws, the moving member 70 is A-A' of the guide groove 81. When the pair of stroke adjusting members 80 is fastened and fixed to the B and B 'of the guide groove 81 by using a screw, the moving member 70 is B- of the guide groove 81. The reciprocating linear motion between B '. The present invention configured as described above, as shown in Figures 2 to 5, when testing the presence or absence of discoloration after the numbering of the cables used in the helicopter using a test equipment first After seating the cable 20 for testing on the upper portion of the cable bracket 30 installed in the center of the front upper portion of the base 10, the cable fixing member 40 respectively installed on both sides of the upper portion of the cable bracket 30 Rotate it up to position the cable 20 To thereby secure the cable 20 in the following, rotating to lowering the cable retention member 40.

After that, the number of times required for the test is set in the counter 160 installed at the top of the control unit 140 installed perpendicular to the rear end of the base 10, and then the second button 180 is pressed. Accordingly, the air is introduced into the rodless cylinder 60 through the flow control valve 150 installed at one side of the control unit 40 so that the rodless cylinder 60 operates.

At the same time, the movable member 70 performs a reciprocating linear motion by the operation of the rodless cylinder 60, and at the same time, a designated chemical is provided at the lower end of the end of the support shaft 100 fastened to the front end of the movable member 70. Alternatively, the cable contact member 120 fastened in the form of a cloth or gauze wrapped with the solution is interlocked with the direction of movement of the movable member 70, so that the cable contact member contacts the numbering part of the cable 20 to test for discoloration. do.

At this time, as the movable member 70 performs a reciprocating linear motion to the left and right, the limit switches 90 respectively installed at both rear sides of the rodless cylinder 60 come into contact with the stroke adjusting member 80, and thus the movable member 70. When the limit switch 90 detects the number of left and right reciprocating linear movements of the linear motion, and the number of round trips is displayed on the counter 160, and the number of times set on the counter 160 is displayed, the rodless cylinder 60 stops its operation so that the test can be completed.

On the other hand, each of the above components is preferably made of aluminum so as to prevent the phenomenon of corrosion by the chemicals or solutions used in the test.

In addition, the stroke adjustment member 80 can always adjust the movement stroke of the moving member 70 accurately by adjusting the width according to the stroke range of the cable 20 to be tested.

In addition, since the speed control valve 130 is installed at one end of the rodless cylinder 60, the reciprocating speed of the rodless cylinder 60 can be arbitrarily adjusted using the speed control valve 130, and the control unit ( Since one side of the flow control valve 150 is installed, the amount of shop air injected into the rodless cylinder 60 can be easily adjusted using the flow control valve 150.

In addition, when the second button 180 is pressed to make an emergency stop while the rodless cylinder 60 is in operation, pressing the second button 180 again stops the rodless cylinder 60 from operating. The first button 170 installed at one side of the counter 160 can be pressed again at start in a reset state.

As described above, the present invention can improve the reliability of the test equipment by performing accurate and efficient testing by the test equipment operated by pneumatically, the number of discoloration after the number of cables used in the helicopter In addition, it can increase productivity by improving work efficiency, and can test by pneumatic without the need of separate power supply, which can reduce the test cost and reduce the installation space by making the size of equipment compact. In addition, since each part is made of aluminum, it is possible to prevent corrosion by chemicals or solutions used during the test, which is a very useful invention that greatly improves the efficiency and reliability of the equipment.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims (5)

A cable base installed at the center of the front upper part of the base to which a test cable is seated; Cable fixing members which are respectively installed on both sides of the upper part of the cable support to press-fix the cable seated on the cable support; A rodless cylinder mounted on an upper portion of each of the supporting members installed on both upper sides of the rear of the base and operated by pneumatic pressure; A moving member which is guided to the rodless cylinder and performs a left and right reciprocating linear motion by operation of the rodless cylinder; A pair of stroke adjusting members mounted on a guide rod provided on one side of the moving member to adjust the moving stroke of the moving member; Limit switches for detecting the number of reciprocating linear movements of the movable member by contacting the stroke adjusting member according to the lateral reciprocating linear movement of the movable member, respectively installed at both rear sides of the rodless cylinder; A support shaft fastened to the front end of the movable member, A pressing member coupled to an upper end of the support shaft end to press for testing toward the cable; A cable contact member pressurized by the pressing member to contact with the numbering part of the cable and test for discoloration; A counter installed in the base for counting the number of reciprocating linear motions of the left and right moving members, Helicopter cable numbering test equipment comprising a switching means for pressing the initial start for the test of the cable, the emergency stop and the reset in the reset state. The method of claim 1, The pair of stroke adjustment member is a cable numbering test equipment for a helicopter, characterized in that installed to be movable left and right on both sides of the guide long groove formed in the guide rod. The method of claim 1, The cable contact member is a cable numbering test equipment for a helicopter, characterized in that installed in the form of a cloth or gauze that is buried with a specified drug or solution. The method of claim 1, One end of the rodless cylinder is a helicopter cable numbering test equipment, characterized in that the speed control valve for adjusting the reciprocating speed of the rodless cylinder is installed. The method of claim 1, The switching means includes a first button installed on one side of the counter and pressed to start again in a reset state, and a second button installed on one side of the first button and pressed during initial start and emergency stop. Cable numbering test equipment for helicopters.