Valve operating device

Abstract

The present invention relates to a valve operating device capable of safely operating valves used in power plants and various industrial sites from a remote distance. The features of the present invention include a handle rotation member (100) coupled to a handle (10) of a valve that opens and closes a pipe (20) through which fluid flows and rotates the handle (10), a rotation shaft (200) that rotates the handle rotation member (100), a bending connection member (300) that connects the rotation shaft (200) to the handle rotation member (100) at a certain angle, a rotation handle (400) for rotating the rotation shaft (200), a gearbox (500) that transmits the rotational force of the rotation handle (400) to the rotation shaft (200), a stand (600) to which the gearbox (500) is fixed, and a rotation direction indicator (700) that indicates the rotation direction of the rotation shaft (200), wherein the rotation direction indicator (700) includes a first detection sensor (710) that emits light and detects reflected light by receiving it, and The apparatus includes a second detection sensor (720) that detects light by receiving and emitting light and reflecting light while being spaced apart from the first detection sensor (710) at a certain interval, a reflector (730) provided on the rotating shaft (200) that reflects light, a detection status display unit (740) that displays the detection status of the first detection sensor (710) and the second detection sensor (720), and a control unit (750) that controls the rotation direction and number of rotations of the rotating shaft (200) to be displayed on the detection status display unit (740) when the number of times the first detection sensor (710) and the second detection sensor (720) detect is checked while confirming the order in which the first detection sensor (710) and the second detection sensor (720) detect, wherein the detection status display unit (740) includes a forward direction display unit (741) that displays the forward rotation direction of the rotating shaft (200), and the rotation of the rotating shaft (200). It is characterized by including a reverse direction indicator (742) that indicates the reverse direction of rotation, a forward direction rotation count indicator (743) that indicates the number of rotations in the forward direction while approaching the forward direction indicator (741), and a reverse direction rotation count indicator (744) that indicates the number of rotations in the reverse direction while approaching the reverse direction indicator (742).

Description

Technology Field

[0001] The present invention relates to a valve operating device capable of safely operating valves used in power plants and various industrial sites from a remote distance. Background Technology

[0002] Every year, safety accidents such as falls occur at industrial sites as workers attempt to operate valves installed in difficult-to-reach locations. This is because, although valves should have been installed in easily accessible positions during construction, they are instead placed in locations where workers cannot safely operate them due to interference with other equipment, inadequate safety design, and cost-cutting measures.

[0003] Currently, various industrial sites operate valves located at high altitudes by installing separate safety facilities or using simple structures such as ladders; as a result, valve operators are constantly exposed to the risk of safety accidents, such as falls.

[0004] The background technology of the present invention is Korean Intellectual Property Office Registered Patent Publication No. 10-2644025 (Rotating tool for operating a valve handle) registered on February 29, 2024. The problem to be solved

[0005] The problem that the present invention aims to solve is a valve operating device capable of safely operating valves used in power plants and various industrial sites from a remote distance. means of solving the problem

[0006] A valve operating device according to one embodiment of the present invention comprises: a handle rotation member (100) coupled to a handle (10) of a valve that opens and closes a pipe (20) through which fluid flows and rotates the handle (10); a rotation shaft (200) that rotates the handle rotation member (100); a bending connecting member (300) that connects the rotation shaft (200) to the handle rotation member (100) at a certain angle; a rotation handle (400) for rotating the rotation shaft (200); a gearbox (500) that transmits the rotational force of the rotation handle (400) to the rotation shaft (200); a stand (600) to which the gearbox (500) is fixed; and a rotation direction indicator (700) that indicates the rotation direction of the rotation shaft (200).

[0007] The rotation direction indicator (700) includes a first detection sensor (710) that detects light by emitting light and receiving reflected light, a second detection sensor (720) that detects light by emitting light and receiving reflected light while spaced apart from the first detection sensor (710) at a certain distance, a reflector (730) that reflects light provided on the rotation shaft (200), a detection status indicator (740) that displays the detection status of the first detection sensor (710) and the second detection sensor (720), and a control unit (750) that controls the rotation direction and number of rotations of the rotation shaft (200) to be displayed on the detection status indicator (740) when the number of times the first detection sensor (710) and the second detection sensor (720) detect is checked while confirming the order in which the first detection sensor (710) and the second detection sensor (720) detect, wherein the detection status indicator (740) It is characterized by including a forward direction indicator (741) for indicating the forward direction of rotation of the rotating shaft (200), a reverse direction indicator (742) for indicating the reverse direction of rotation of the rotating shaft (200), a forward direction rotation count indicator (743) for indicating the number of rotations in the forward direction while approaching the forward direction indicator (741), and a reverse direction rotation count indicator (744) for indicating the number of rotations in the reverse direction while approaching the reverse direction indicator (742). Effects of the invention

[0008] The present invention has the advantage of enabling safe remote operation of valves used in power plants and various industrial sites, thereby preventing accidents such as falls or entrapment that may occur during the operation of the valves. Brief explanation of the drawing

[0009] FIG. 1 is a perspective view showing a typical piping to which the present invention is applied. FIG. 2 is a perspective view showing a valve operating device according to an embodiment of the present invention. FIG. 3 is a perspective view showing a handle rotation member applied to the present invention. FIG. 4 is a perspective view showing an embodiment applied to the handle rotation member of the present invention. FIG. 5 is a perspective view showing the usage state in which the rear plates of the handle rotation member are arranged on the rear of the handle in the present invention. FIG. 6 is a perspective view showing the state in which the front plate and rear plate of the handle rotation member are coupled to the handle by a plate fitting part in the present invention and the handle is rotated. FIG. 7 is a drawing showing a rotation direction indicator applied to the present invention. Specific details for implementing the invention

[0010] Hereinafter, the present invention will be examined in detail with reference to the attached drawings.

[0011] The present invention is susceptible to various modifications and may take various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. However, this is not intended to limit the invention to the specific disclosed forms, and it should be understood that the invention includes all modifications, equivalents, and substitutions that fall within the spirit and scope of the invention. Similar reference numerals have been used for similar components in the description of each drawing. In the accompanying drawings, the dimensions of structures are depicted enlarged or reduced to the actual size to ensure clarity of the invention or to allow for a schematic understanding of the configuration.

[0012] As illustrated in FIGS. 1 and 2, a valve operating device according to one embodiment of the present invention comprises a handle rotation member (100) coupled to a handle (10) of a valve that opens and closes a pipe (20) through which fluid flows and rotates the handle (10), a rotation shaft (200) that rotates the handle rotation member (100), a bending connection member (300) that connects the rotation shaft (200) to the handle rotation member (100) at a certain angle, a rotation handle (400) for rotating the rotation shaft (200), a gearbox (500) that transmits the rotational force of the rotation handle (400) to the rotation shaft (200), and a stand (600) to which the gearbox (500) is fixed.

[0013] First, when the valve handle (10) is rotated, the pipe (20) is opened and fluid flows through it, and when the valve handle (10) is rotated in the opposite direction, the pipe (20) is closed and fluid cannot flow through it.

[0014] This handle (10) consists of a handle hub (11) connected to the stem of the valve, a handle rim (12) that is held by the operator's hand, and spokes (13) that connect the handle rim (12) to the handle hub (11).

[0015] The handle rotation member (100) includes a front plate (110) supported on the front of the handle (10), rear plates (120) supported on both sides of the rear of the handle (10), and a plate joining member (130) that joins the rear plates (120) to the front plate (110).

[0016] The front plate (110) is formed in the shape of a disc and has a width that covers the entire handle (10). The front plate (110) is formed with front through holes (111) distributed therein. Additionally, the front through holes (111) are arranged to be distributed in a concentric circle shape from the center of the front plate (110).

[0017] The rear plate (120) is in the shape of a semicircle and is located on both sides of the rear of the handle (10). The rear plate (120) is formed with rear through-holes (121) distributed therein that communicate with the front through-holes (111) of the front plate (110).

[0018] The judgment fitting (130) includes a bolt that penetrates the front through hole (111) of the front plate (110) and the rear through hole (121) of the rear plate (120), and a nut that is fastened to the bolt.

[0019] Accordingly, when the bolt, which is the judgment fitting (130), is fastened to the nut while passing through the front through-hole (111) of the front plate (110) and the rear through-hole (121) of the rear plate (120), the front plate (110) and the rear plate (120) are mounted on the handle (10).

[0020] Here, the front through hole (111) and the rear through hole (121) can be formed as long holes so that a bolt can easily pass through the front through hole (111) and the rear through hole (121).

[0021] At this time, the front plate (110) and the rear plate (120) can be adjusted to the correct position by moving them slightly from the handle (10) without tightening the bolt too strongly.

[0022] And when the bolt is tightened strongly, the front plate (110) and the rear plate (120) become more securely mounted on the handle (10). Therefore, when the front plate (110) and the rear plate (120) rotate together with the rotating shaft (200), the handle (10) also rotates to open and close the pipe (20).

[0023] Furthermore, the outer side of the bolt, which is the plate fitting part (130), is supported by being caught on the spoke (13) of the handle (10). That is, as the front plate (110) and the rear plate (120) rotate, the bolt, which is the plate fitting part (130), is caught on the spoke (13) of the handle (10), so that the handle (10) can be easily rotated.

[0024] Also, as shown in FIG. 3, the handle rotation member (100) includes a plate connecting member (140) that connects the rear plate (120) to the front plate (110).

[0025] The plate connecting member (140) may be composed of a band or hinge, with one end connected to the front plate (110) and the other end connected to the rear plate (120).

[0026] Since the rear plate (120) is connected to the front plate (110) by such a plate connecting member (140) and is separated at a certain distance without being separated, allowing for free movement, the process of mounting the rear plate (120) to the handle (10) can be conveniently performed.

[0027] Meanwhile, as shown in FIG. 4, the handle rotation member (100) includes a plate restraint part (150) that connects and restrains the rear plates (120).

[0028] The plate restraint portion (150) includes a female restraint portion (151) fixed to a rear plate (120) and a male restraint portion (152) fixed to another rear plate (120) and detachably coupled to the female restraint portion (151).

[0029] These plate restraint parts (150) may be composed of Velcro tape. That is, the female restraint part (151) is composed of female Velcro tape and the male restraint part (152) is composed of male Velcro tape.

[0030] Therefore, when the male restraint part (152) is combined with the female restraint part (151), the rear plates (120) are maintained in a position on the rear of the handle (10), so the fastening work of the bolt and nut, which is the plate fitting part (130), can be performed easily and conveniently.

[0031] As shown in FIG. 2, one end of the rotating shaft (200) is connected to the bending connecting member (300) and the other end is connected to the gearbox (500). Thus, the rotating shaft (200) is rotated by power transmitted to the gearbox (500) to rotate the handle rotating member (100).

[0032] In this way, by applying a rotating shaft (200) having a certain length, the operator can easily rotate the handle (10) located at a distance.

[0033] The bending connecting member (300) may be composed of a universal joint in which a handle rotating member (100) is connected to one side and a rotating shaft (200) is connected to the other side.

[0034] Accordingly, when the handle rotation member (100) is inclined to one side and the rotation shaft (200) is inclined to the other side with the bending connection member (300) as the center, the handle rotation member (100) also rotates when the rotation shaft (200) is rotated.

[0035] In this way, by applying the bending connecting member (300), the handle (10) can be easily rotated even when the handle (10) is facing a specific direction and is in a state where it is difficult for the operator to operate.

[0036] As shown in FIGS. 5 and 6, the rotary handle (400) is formed in the shape of a handle and connected to the gearbox (500).

[0037] Therefore, when the operator rotates the rotary handle (400), rotational force is transmitted through the gearbox (500), causing the rotary shaft (200) to rotate.

[0038] The gearbox (500) may be composed of a reduction gear that reduces and transmits rotational speed. The reduction gear may be of the gear type, fluid type, friction type, etc.

[0039] Therefore, when the rotary handle (400) is rotated, the rotation is reduced by the gearbox (500), and the rotary shaft (200) rotates at a low speed and accurately.

[0040] Here, the gearbox (500) may be composed of a plurality of bevel gears that mesh with each other and are connected to the rotary handle (400) and the rotary shaft (200), respectively. These bevel gears transmit the rotational force of the rotary handle (400) to the rotary shaft (200) while meshed in a state orthogonal to each other.

[0041] One end of the stand (600) is connected to the gearbox (500) and the other end is connected to the equipment at the industrial site. The stand (600) has a flange formed at its lower end so that it can be fixed with bolts to a frame, such as an H-beam, provided in the equipment. Additionally, the stand (600) can be fixed to the equipment in a vertical, horizontal, or inclined position depending on the structure of the equipment.

[0042] Therefore, since the stand (600) is connected to and fixed to the equipment at the industrial site, the worker can conveniently rotate the rotating handle (400) in a stable state.

[0043] Meanwhile, as illustrated in FIG. 7, the present invention includes a rotation direction indicator (700) that indicates the rotation direction of a rotation shaft (200).

[0044] The rotation direction indicator (700) includes a first detection sensor (710) that detects light by emitting and receiving reflected light, a second detection sensor (720) that detects light by emitting and receiving reflected light while spaced apart from the first detection sensor (710) at a certain distance, a reflector (730) that reflects light provided on the rotation shaft (200), a detection status indicator (740) that displays the detection status of the first detection sensor (710) and the second detection sensor (720), and a control unit (750) that controls the rotation direction and number of rotations of the rotation shaft (200) to be displayed on the detection status indicator (740) by checking the order in which the first detection sensor (710) and the second detection sensor (720) detect and checking the number of times the first detection sensor (710) and the second detection sensor (720) detect.

[0045] The first detection sensor (710) and the second detection sensor (720) can each be composed of a light sensor or a Hall sensor.

[0046] The reflective part (730) is composed of a reflective sticker having a reflective surface that reflects light, and is attached to the rotating shaft (200), with the reflective surface that reflects light being formed concavely. The reflective part (730) can be attached to an appropriate part of the rotating shaft (200) and can also be replaced if it becomes contaminated. Since the reflective surface of the reflective part (730) is formed concavely, it can easily reflect light in the direction of the first detection sensor (710) and the second detection sensor (720).

[0047] The detection status display unit (740) includes a forward direction display unit (741) that displays the forward direction of rotation of the rotating shaft (200), a reverse direction display unit (742) that displays the reverse direction of rotation of the rotating shaft (200), a forward direction rotation count display (743) that displays the number of rotations in the forward direction while approaching the forward direction display unit (741), and a reverse direction rotation count display (744) that displays the number of rotations in the reverse direction while approaching the reverse direction display unit (742).

[0048] The forward direction indicator (741) and the reverse direction indicator (742) may be composed of arrows indicating different directions. That is, the user can determine the forward and reverse directions of the rotating shaft (200) by checking the arrows pointing in different directions.

[0049] The forward rotation count display (743) and the reverse rotation count display (744) are configured to display numbers. That is, they can be configured as liquid crystal screens.

[0050] Accordingly, when the user rotates the rotating handle (400) to rotate the rotating shaft (200), the first detection sensor (710) and the second detection sensor (720) detect sequentially. At this time, the control unit (750) causes a number to be displayed on the forward direction display unit (741) or the reverse direction display unit (742) based on the order in which the first detection sensor (710) and the second detection sensor (720) detect.

[0051] For example, when the number 3 is displayed on the forward direction indicator (741), the user can visually recognize the number 3 along with the arrow of the forward direction indicator (741), thereby confirming that the rotating shaft (200) has been rotated three times in the forward direction. That is, it is confirmed that the handle (10) has been closed by rotating the rotating shaft (200) in the forward direction. Additionally, other workers can also check the operating status of the handle (10) by checking only the number.

[0052] As such, the present invention can safely operate valves used in power plants and various industrial sites from a distance, and thus can be considered a very useful invention that can be applied to valve operating devices and widely used.

[0053] Those skilled in the art to which the present invention pertains will understand that the present invention may be implemented in other specific forms without altering its technical concept or essential features. Therefore, the embodiments described above should be understood as illustrative in all respects and not restrictive, and the scope of the present invention is defined by the claims set forth below rather than by the detailed description, and all modifications or variations derived from the meaning and scope of the claims and their equivalents should be interpreted as being included within the scope of the present invention. Explanation of the symbols

[0054] 10 : Handle 11 : Handle hub 12 : Handle rim 13 : Spoke 100 : Handle rotation member 110 : Front plate 111 : Front through-hole 120 : Rear plate 121 : Rear penetration hole 130 : Judgment alignment 140 : Plate connecting member 150 : Plate restraint part 151 : Female restraint part 152 : Male restraint part 200 : Rotary shaft 300 : Bending connecting member 400 : Rotary knob 500 : Gearbox 600 : Stand 700 : Rotation direction indicator 710 : 1st detection sensor 720 : 2nd detection sensor 730: Reflector 740: Detection status indicator 741 : Forward display unit 742 : Reverse display unit 743: Forward rotation speed display 744: Reverse rotation speed display 750 : Control unit

Claims

Claim 1 A handle rotation member (100) coupled to a handle (10) of a valve that opens and closes a pipe (20) through which fluid flows and rotates the handle (10), a rotation shaft (200) that rotates the handle rotation member (100), a bending connection member (300) that connects the rotation shaft (200) to the handle rotation member (100) at a certain angle, a rotation handle (400) for rotating the rotation shaft (200), a gearbox (500) that transmits the rotational force of the rotation handle (400) to the rotation shaft (200), a stand (600) to which the gearbox (500) is fixed, and a rotation direction indicator (700) that indicates the rotation direction of the rotation shaft (200), wherein the rotation direction indicator (700) includes a first detection sensor (710) that emits light and detects reflected light by receiving it, and from the first detection sensor (710 The device includes a second detection sensor (720) that detects light by receiving and emitting light and reflecting light while spaced apart at regular intervals, a reflector (730) provided on the rotating shaft (200) that reflects light, a detection status display unit (740) that displays the detection status of the first detection sensor (710) and the second detection sensor (720), and a control unit (750) that controls the rotation direction and number of rotations of the rotating shaft (200) to be displayed on the detection status display unit (740) when the number of times the first detection sensor (710) and the second detection sensor (720) detect is checked while confirming the order in which the first detection sensor (710) and the second detection sensor (720) detect, wherein the detection status display unit (740) includes a forward direction display unit (741) that displays the forward rotation direction of the rotating shaft (200) and a reverse rotation direction display unit (741) that displays the reverse rotation direction of the rotating shaft (200). A valve operating device characterized by including a reverse direction indicator (742), a forward direction rotational speed indicator (743) that displays the number of rotations in the forward direction while approaching the forward direction indicator (741), and a reverse direction rotational speed indicator (744) that displays the number of rotations in the reverse direction while approaching the reverse direction indicator (742).

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