Valve hand wheel storage device

Abstract

The utility model discloses a valve hand wheel storage device which comprises a hand wheel support, a moving pin, a locking piece and a handle, the cross section of the hand wheel support is similar to the shape of a center hole of a valve hand wheel, the hand wheel support is fixedly installed on a wall, and the moving pin is installed in a sliding mode in the radial direction of the hand wheel support. The handle extends in the axial direction of the hand wheel support and partially extends into the hand wheel support to be connected with the movable pin so as to drive the movable pin to move in the radial direction of the hand wheel support. The movable pin is provided with a locking part, the locking part extends out of the hand wheel support or retracts into the hand wheel support, and the locking part is connected with the locking piece to position the movable pin. The handle is held to push the moving pin to move, so that the locking part extends out of the hand wheel support and is connected with the locking piece, the moving pin is prevented from retracting into the hand wheel support, the valve hand wheel can be prevented from sliding out of the hand wheel support, and then the valve hand wheel is locked. The valve hand wheel storage device is simple in structure, easy and convenient to install and capable of effectively locking the valve hand wheel and preventing falling damage.

Description

Technical Field

[0001] The utility model relates to the technical field of valve handwheel management in nuclear power plants, in particular to a valve handwheel storage device. Background Art

[0002] After the isolation valves at the inlet and outlet of the charging pump on the nuclear power unit are opened, the valve handwheel needs to be removed to ensure that the valve is in the open state required by the unit and will not be closed. At present, after the valve handwheel is removed, it is directly hung on the valve position indicator rod, and the lower end directly leans on the pipeline due to space limitations. The valve handwheel weighs 2.5kg, and hanging on the indicator rod with a diameter of less than 10mm may damage the valve mechanism or fall and injure people, and the lower end leans on the pipeline to form mutual interference, which may damage the pipeline. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a valve hand wheel storage device.

[0004] The utility model solves the technical problem by adopting the following technical solution: a valve handwheel storage device, comprising a handwheel bracket, a movable pin, a locking member and a handle, the cross section of which is similar to the shape of the center hole of the valve handwheel, the handwheel bracket being fixedly mounted on a wall, and the movable pin being slidably mounted along the radial direction of the handwheel bracket; the handle extending along the axial direction of the handwheel bracket, and partially extending into the interior of the handwheel bracket to be connected with the movable pin, so as to drive the movable pin to move along the radial direction of the handwheel bracket;

[0005] The movable pin is provided with a locking portion, the locking portion extends out of the hand wheel bracket or retracts into the inside of the hand wheel bracket, and the locking portion is connected to a locking member to position the movable pin.

[0006] Preferably, in the valve handwheel storage device described in the utility model, the handwheel bracket includes a bracket body with a circular cross section, a mounting member and a fixing member, the mounting member is connected to one end of the bracket body and fixedly mounted on the wall, the fixing member extends along the axial direction of the bracket body, protrudes along the radial direction of the bracket body, and is detachably connected to the bracket body;

[0007] The bracket body is provided with a through hole for the sliding installation of the movable pin and an avoidance groove for the movement of the handle. The avoidance groove is communicated with the through hole, and the avoidance groove and the through hole extend in the same direction.

[0008] Preferably, in the valve handwheel storage device described in the utility model, the bracket body is further provided with a mounting groove extending along its axial direction, and the fixing piece is detachably mounted in the mounting groove.

[0009] Preferably, in the valve handwheel storage device of the utility model, the fixing member is provided with a card slot, and the card slot is communicated with the through hole;

[0010] The movable pin comprises a locking body provided with the locking portion and a bottom plate, wherein the bottom plate is connected to the locking body and is engaged with the locking slot, and the size of the bottom plate is larger than the size of the locking body.

[0011] Preferably, in the valve handwheel storage device described in the utility model, the through hole includes a first hole segment and a second hole segment that are connected, the first hole segment is arranged close to the fixing member, the size of the first hole segment is greater than or equal to the size of the base plate, and the size of the second hole segment is greater than or equal to the size of the locking body and smaller than the size of the base plate.

[0012] Preferably, in the valve handwheel storage device described in the utility model, the handle comprises a connecting section and a hand-holding portion, the connecting section is fixedly connected to the hand-holding portion, and one end of the connecting section away from the hand-holding portion is detachably connected to the locking body.

[0013] Preferably, in the valve handwheel storage device described in the utility model, the locking body is further provided with a screw hole, the connecting section is provided with a thread matching the screw hole, and the connecting section is threadedly connected to the screw hole.

[0014] Preferably, in the valve handwheel storage device described in the utility model, the card slot is square or circular, and the bottom plate is square or circular.

[0015] Preferably, in the valve handwheel storage device described in the utility model, the locking body is a cylinder.

[0016] Preferably, in the valve handwheel storage device described in the utility model, the locking portion is a through hole, and the locking piece is a pin rod.

[0017] By implementing the utility model, the following beneficial effects are achieved:

[0018] The valve handwheel storage device of the utility model comprises a handwheel bracket, a movable pin, a locking piece and a handle, the handwheel bracket being fixedly mounted on a wall, the movable pin being slidably mounted along the radial direction of the handwheel bracket; the handle extending along the axial direction of the handwheel bracket, and partially extending into the interior of the handwheel bracket to connect with the movable pin, so as to drive the movable pin to move along the radial direction of the handwheel bracket; the movable pin is provided with a locking part, the locking part extending out of the handwheel bracket or retracting into the interior of the handwheel bracket, and the locking part is connected with the locking piece to position the movable pin. The movable pin is pushed to move by holding the handle, so that the locking part extends out of the handwheel bracket and is connected with the locking piece, preventing the movable pin from retracting into the interior of the handwheel bracket, thereby preventing the valve handwheel from sliding out of the handwheel bracket, and then locking the valve handwheel. The valve handwheel storage device has a simple structure and is easy to install, and can effectively lock the valve handwheel to prevent it from falling and being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0020] Figure 1 It is a structural schematic diagram of a valve hand wheel storage device according to an embodiment of the utility model;

[0021] Figure 2 yes Figure 1 Schematic diagram of the method of using the valve handwheel storage device;

[0022] Figure 3 yes Figure 1 A schematic diagram of the structure of the bracket body and the mounting parts;

[0023] Figure 4 yes Figure 1 A schematic diagram of the structure of the fixing parts;

[0024] Figure 5 yes Figure 1 A schematic diagram of the structure of the moving pin in FIG.

[0025] Figure 6 yes Figure 1 Schematic diagram of the structure of the handle. DETAILED DESCRIPTION

[0026] In order to have a clearer understanding of the technical features, purposes and effects of the present utility model, the specific implementation methods of the present utility model are now described in detail with reference to the accompanying drawings.

[0027] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0028] In the description of the utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, "multiple" means two or more.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a chemical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0030] See also Figures 1 to 6 An embodiment of the utility model discloses a valve handwheel storage device, which can be used to store the valve handwheel 4 removed from the isolation valve and lock it to prevent the valve handwheel 4 from leaning on the pipeline and damaging the pipeline, and reduce the risk of damaging the valve handwheel 4 or falling and injuring people.

[0031] The valve handwheel storage device comprises a handwheel bracket 1, a movable pin 2, a locking member and a handle 3, the cross section of which is similar to the shape of the center hole of the valve handwheel 4. The handwheel bracket 1 is fixedly mounted on the wall, and the movable pin 2 is slidably mounted along the radial direction of the handwheel bracket 1. The handle 3 extends along the axial direction of the handwheel bracket 1, and partially extends into the interior of the handwheel bracket 1 to connect with the movable pin 2, so as to drive the movable pin 2 to move along the radial direction of the handwheel bracket 1.

[0032] The movable pin 2 is provided with a locking portion 211, the locking portion 211 extends out of the hand wheel bracket 1 or retracts into the hand wheel bracket 1, and the locking portion 211 is connected to a locking member to position the movable pin 2. Preferably, the locking portion 211 is a through hole, and the locking member is a pin rod. The locking member is not shown in the figure.

[0033] Furthermore, if Figure 3 and Figure 4As shown, the handwheel bracket 1 includes a bracket body 11 with a circular cross section, a mounting member 12 and a fixing member 13. The mounting member 12 is connected to one end of the bracket body 11 and fixedly installed on the wall. The fixing member 13 extends along the axial direction of the bracket body 11, protrudes along the radial direction of the bracket body 11, and is detachably connected to the bracket body 11. The bracket body 11 is provided with a through hole 111 for sliding installation of the movable pin 2, an avoidance groove 112 for movement of the handle 3, and a mounting groove 113 extending along its axial direction. The avoidance groove 112 is connected to the through hole 111, and the avoidance groove 112 and the through hole 111 extend in the same direction, and the fixing member 13 is detachably installed in the mounting groove 113. Preferably, the mounting member 12 can be fixedly installed on the wall by a plurality of expansion bolts. The fixing member 13 can be connected and fixed to the bracket body 11 by fasteners. The fixing member 13 is a strip plate body, and the fixing member 13 is provided with a card slot 131, and the card slot 131 is connected to the through hole 111. Preferably, the card slot 131 is square or circular.

[0034] Furthermore, if Figure 5 As shown, the movable pin 2 includes a locking body 21 having a locking portion 211 and a bottom plate 22, the bottom plate 22 is connected to the locking body 21 and is engaged with the card slot 131, and the size of the bottom plate 22 is larger than the size of the locking body 21. Preferably, the locking body 21 is a cylinder, the locking body 21 is further provided with a screw hole 212, and the bottom plate 22 is square or circular.

[0035] The through hole 111 includes a first hole section and a second hole section that are connected. The first hole section is arranged close to the fixing member 13. The size of the first hole section is greater than or equal to the size of the bottom plate 22. The size of the second hole section is greater than or equal to the size of the locking body 21 and smaller than the size of the bottom plate 22. The bottom plate 22 can move inside the first hole section, and the locking body 21 can move inside the first hole section and the second hole section, and the bottom plate 22 is restricted from entering the second hole section to prevent the movable pin 2 from sliding out of the second hole section as a whole.

[0036] Furthermore, if Figure 6 As shown, the handle 3 includes a connecting section 31 and a hand-held portion 32, the connecting section 31 is fixedly connected to the hand-held portion 32, and one end of the connecting section 31 away from the hand-held portion 32 is detachably connected to the locking body 21. Preferably, the connecting section 31 and the hand-held portion 32 are respectively cylinders, and the diameter of the hand-held portion 32 is larger than the diameter of the connecting section 31. The connecting section 31 is provided with a thread matching the screw hole 212 of the locking body 21, and is screwed with the screw hole 212. It can be understood that in some other embodiments, the connecting section 31 and the locking body 21 can be non-detachably connected, and the avoidance groove 112 is connected to the through hole 111 and the mounting groove 113 at the same time for easy assembly. The size of the avoidance groove 112 needs to be smaller than the size of the locking body 21 to prevent the locking body 21 from slipping out.

[0037] The storage method of the valve handwheel storage device of the utility model is as follows: the moving pin 2 is completely retracted into the handwheel bracket 1, the center hole of the valve handwheel 4 is aligned with the handwheel bracket 1, especially with the fixing piece 13, and pushed in along the axial direction of the bracket body 11. When the valve handwheel 4 passes through the through hole 111, the handgrip 3 is held to push the moving pin 2 so that the locking portion 211 is completely exposed outside the bracket body 11, and the locking piece is inserted into the locking portion 211 to prevent the locking portion 211 from retracting into the handwheel bracket 1, so that the valve handwheel 4 can be blocked from sliding outward along the axial direction of the bracket body 11, thereby achieving the locking of the valve handwheel 4.

[0038] When the valve handwheel 4 needs to be taken out, the locking piece is taken out so that the moving pin 2 is completely retracted into the handwheel bracket 1, and the valve handwheel 4 can be moved axially along the bracket body 11 and taken out.

[0039] It can be understood that, in an idle state, the locking member can be always connected to the moving pin 2 to prevent the moving pin 2 from being lost. When the valve hand wheel 4 needs to be stored, the locking member is taken out and the storage action is performed as described above.

[0040] By implementing the utility model, the following beneficial effects are achieved:

[0041] In the valve handwheel storage device of the utility model, the handle 3 is held to push the movable pin 2 to move, so that the locking part 211 extends out of the handwheel bracket 1 and is connected to the locking member, preventing the movable pin 2 from retracting into the handwheel bracket 1, thereby preventing the valve handwheel 4 from sliding out of the handwheel bracket 1, and then locking the valve handwheel 4. The valve handwheel storage device has a simple structure and is easy to install, and can effectively lock the valve handwheel 4 to prevent it from falling and being damaged.

[0042] It can be understood that the above embodiments only express the preferred implementation methods of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the utility model; it should be pointed out that for ordinary technicians in this field, without departing from the concept of the utility model, the above embodiments or technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the utility model, that is, the embodiments described in "some embodiments" can be freely combined with any of the above and below embodiments; therefore, all equivalent changes and modifications made to the scope of the claims of the utility model should fall within the scope of the claims of the utility model.

Claims

1. A valve handwheel storage device, characterized in that: The invention comprises a handwheel bracket (1) having a cross section similar in shape to the center hole of a valve handwheel (4), a movable pin (2), a locking member and a handle (3); the handwheel bracket (1) is fixedly mounted on a wall, and the movable pin (2) is slidably mounted along the radial direction of the handwheel bracket (1); the handle (3) extends along the axial direction of the handwheel bracket (1) and partially extends into the interior of the handwheel bracket (1) to be connected with the movable pin (2), so as to drive the movable pin (2) to move along the radial direction of the handwheel bracket (1); The movable pin (2) is provided with a locking portion (211), the locking portion (211) extending out of the hand wheel bracket (1) or retracting into the inside of the hand wheel bracket (1), and the locking portion (211) is connected to a locking member to position the movable pin (2).

2. The valve handwheel storage device according to claim 1, characterized in that: The hand wheel bracket (1) comprises a bracket body (11) with a circular cross section, a mounting member (12) and a fixing member (13), wherein the mounting member (12) is connected to one end of the bracket body (11) and fixedly mounted on a wall, and the fixing member (13) extends along the axial direction of the bracket body (11), protrudes along the radial direction of the bracket body (11), and is detachably connected to the bracket body (11); The bracket body (11) is provided with a through hole (111) for sliding installation of the movable pin (2) and an avoidance groove (112) for movement of the handle (3); the avoidance groove (112) is communicated with the through hole (111), and the avoidance groove (112) and the through hole (111) extend in the same direction.

3. The valve hand wheel storage device according to claim 2, characterized in that: The bracket body (11) is also provided with a mounting groove (113) extending along its axial direction, and the fixing member (13) is detachably mounted in the mounting groove (113).

4. The valve hand wheel storage device according to claim 2, characterized in that: The fixing member (13) is provided with a slot (131), and the slot (131) is communicated with the through hole (111); The movable pin (2) comprises a locking body (21) provided with the locking portion (211) and a bottom plate (22); the bottom plate (22) is connected to the locking body (21) and is engaged with the locking groove (131); and the size of the bottom plate (22) is larger than the size of the locking body (21).

5. The valve hand wheel storage device according to claim 4, characterized in that: The through hole (111) comprises a first hole section and a second hole section which are connected, the first hole section being arranged close to the fixing member (13), the size of the first hole section being greater than or equal to the size of the base plate (22), and the size of the second hole section being greater than or equal to the size of the locking body (21) and smaller than the size of the base plate (22).

6. The valve hand wheel storage device according to claim 4, characterized in that: The handle (3) comprises a connecting section (31) and a hand-held portion (32); the connecting section (31) is fixedly connected to the hand-held portion (32); and one end of the connecting section (31) away from the hand-held portion (32) is detachably connected to the locking body (21).

7. The valve hand wheel storage device according to claim 6, characterized in that: The locking body (21) is also provided with a screw hole (212), the connecting section (31) is provided with a thread matching the screw hole (212), and the connecting section (31) is threadedly connected to the screw hole (212).

8. The valve handwheel storage device according to any one of claims 4 to 7, characterized in that: The card slot (131) is square or circular, and the bottom plate (22) is square or circular.

9. The valve handwheel storage device according to any one of claims 4 to 7, characterized in that: The locking body (21) is a cylinder.

10. The valve handwheel storage device according to any one of claims 1 to 7, characterized in that: The locking portion (211) is a through hole, and the locking piece is a pin rod.

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