CN213575864U

CN213575864U - Valve hand wheel lockset

Info

Publication number: CN213575864U
Application number: CN202022687626.8U
Authority: CN
Inventors: 王赛; 李洪磊; 李震; 封洁
Original assignee: Huaneng Shandong Shidaobay Nuclear Power Co Ltd
Current assignee: Huaneng Shandong Shidaobay Nuclear Power Co Ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-06-29
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a valve hand wheel tool to lock, the valve hand wheel includes circle in the hand wheel, the hand wheel excircle and a plurality of connecting rods that set up along the circumference interval of valve hand wheel, and circle and hand wheel excircle in the hand wheel is connected respectively to a plurality of connecting rods, valve hand wheel tool to lock is including lock area and lock body, the lock area is including the lock area body, the setting is at the lock area body along a plurality of fixed bands of its length direction first end and set up the connecting band of taking the body along its length direction second end at the lock, a plurality of fixed bands are around establishing on hand wheel excircle and connecting rod, the connecting band passes valve main part or pipeline fixed point and joins with a plurality of fixed bands, the lock body is in the department of joining locking. The utility model discloses can effectively solve the inconvenient problem of original chain winding valve hand wheel, both can effectively with the valve locking, ensure to keep apart border integrality, portable again, and then can reduce the quantity that carries valve locking multiplexer utensil before the work in a large number, easy operation can effectively improve work efficiency simultaneously.

Description

Valve hand wheel lockset

Technical Field

The utility model relates to a valve locking field, concretely relates to valve handle tool to lock.

Background

The valve locking is an important content in the isolation work of a power plant, and the valve can be operated according to a determined state requirement and then prohibited from being operated in a locking mode through the valve locking. The valve is reliably locked, a boundary for ensuring safety conditions is established and maintained, and the method has important significance for ensuring the safety production of a power plant. At present, the electric power industry widely adopts the mode of single chain winding to carry out valve locking. When a single chain is used, the problem that a valve hand wheel is inconvenient to wind exists, and the single chain and the lockset are matched to cause that the valve still has an operable space after being locked, so that the risk that an isolation boundary is damaged is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, provide a valve handle tool to lock.

The utility model provides a valve hand wheel lockset, the valve hand wheel includes hand wheel inner circle, hand wheel excircle and a plurality of connecting rods, a plurality of connecting rods are along the circumference interval setting of valve hand wheel, just a plurality of connecting rods connect respectively the hand wheel inner circle with the hand wheel excircle, its characterized in that, the lockset includes lock belt and lock body, the lock belt includes lock belt body, sets up a plurality of fixed bands of lock belt body along its length direction first end and sets up the connecting band of lock belt body along its length direction second end;

the plurality of fixing belts are wound on the outer circle of the hand wheel and the connecting rod, and the connecting belt penetrates through the valve main body or the pipeline fixing point to be converged with the plurality of fixing belts; and the number of the first and second groups,

the lock body locks the fixing belts and the connecting belt at a junction.

In some optional embodiments, the fixing belts are respectively wound on one of the connecting rods and the outer circle of the hand wheel adjacent to the connecting rod.

In some optional embodiments, the number of the fixing bands is three, namely a first fixing band, a second fixing band and a third fixing band;

the first fixing belt is wound on one of the connecting rods, and the second fixing belt and the third fixing belt are respectively wound on the outer circles of the hand wheels on two sides adjacent to the one of the connecting rods.

In some alternative embodiments, the second strap and the third strap are routed around the outer circumference of the handwheel in opposite directions.

In some alternative embodiments, the locking band is a chain.

In some alternative embodiments, the size of the links of the strap and the size of the links of the interface band are both smaller than the size of the links of the strap body.

In some alternative embodiments, the size of the links of the strap and the size of the links of the interface band are each half the size of the links of the strap body.

In some optional embodiments, the plurality of fixing straps, the connecting strap and the locking strap body are of an integrally formed structure.

In some alternative embodiments, the locking band is in a taut state when the valve handwheel is locked.

In some optional embodiments, the lock body is a padlock, wherein the padlock includes a shackle and a lock body, the shackle being fastened to the lock body.

Drawings

Fig. 1 is a schematic structural view of a valve handwheel lock according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a valve handwheel lock according to another embodiment of the present invention;

fig. 3 is a schematic view of the structure of the locking band of fig. 1.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

For the sake of simplicity, only the parts related to the present invention are schematically shown in the drawings, and they do not represent the actual shape or structure of the product. In addition, for simplicity and understanding of the drawings, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled.

It should be noted that the descriptions of the present invention as referring to "first", "second", "third", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature.

It should be noted that the directions or positional relationships indicated as "inner", "outer", "upper", "lower", etc. in the present invention are the directions or positional relationships indicated on the drawings, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated structure or component must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, a valve handwheel lock 100 may be used with a valve 200 as shown in fig. 2. As shown in fig. 2, the valve 200 includes a valve handwheel 210 and a valve body 220. The valve 200 may also include other structures, and the present embodiment is not limited thereto. The valve handwheel 210 comprises a handwheel inner circle 211, a handwheel outer circle 212 and a plurality of connecting rods 213, wherein the connecting rods 213 are arranged along the circumference of the valve handwheel 210 at intervals, and the connecting rods 213 are respectively connected with the handwheel inner circle 211 and the handwheel outer circle 212, wherein the connecting rods 213 can be arranged at equal intervals or at unequal intervals, and the embodiment is not limited to the above. As shown in fig. 1, the lock 100 includes a lock band 110 and a lock body 120, wherein the lock band 110 includes a lock band body 111, a plurality of fixing bands 112 disposed at a first end of the lock band body 111 along a length direction thereof, and a connecting band 113 disposed at a second end of the lock band body 111 along the length direction thereof. As shown in fig. 2, a plurality of fixing bands 112 may be wound around the outer circumference 212 of the handwheel and the connecting rod 213, and the connecting band 113 may be passed through the valve body 220 or the pipe fixing point 300 to be merged with the plurality of fixing bands 112. For example, as shown in fig. 2, the connection strap 113 may be merged with a plurality of fixing straps 112 after passing through the pipe fixing point 300 to the vicinity of the valve handwheel 210, and of course, the connection strap 113 may also be merged with a plurality of fixing straps 112 after passing through the valve main body 220 to the vicinity of the valve handwheel 210, which is not limited in this embodiment. As shown in fig. 1, the lock body 120 may lock a plurality of securing straps 112 to the connecting strap 113 at a junction. Those skilled in the art can select a suitable lock body 120 according to actual needs, which is not limited by the embodiment.

This embodiment can effectively solve the inconvenient problem of original chain winding valve hand wheel, both can effectively be with the valve locking, ensure to keep apart border integrality, portable again, and then can reduce the quantity that carries valve locking multiplexer utensil before the work in a large number, and easy operation can effectively improve work efficiency simultaneously.

For example, as shown in fig. 2, a plurality of fixing bands 112 are respectively wound around one of the connecting rods 213 and the outer circle 212 of the handwheel adjacent to the connecting rod 213. For example, as shown in fig. 2, the center of the valve hand wheel 210 is set as point O, the position where one of the connecting rods 213 is connected to the outer circle 212 of the hand wheel is set as point B, and correspondingly, the positions where the other two connecting rods 213 adjacent to the connecting rod 213 are connected to the outer circle 212 of the hand wheel are set as points a and C, respectively, and the plurality of fastening tapes 112 may be wound around the connecting rod 213 corresponding to OA, the connecting rod 213 corresponding to OB, or the connecting rod 213 corresponding to OC, which is not limited in this embodiment. As shown in fig. 2, when one of the fastening straps 112 is wound around the connection rod 213 corresponding to OB, the other fastening straps 112 may be wound around the AB segment of the outer hand wheel circle 212 adjacent to the connection rod 213 corresponding to OB, or may be wound around the BC segment of the outer hand wheel circle 212 adjacent to the connection rod 213 corresponding to OB, and the like, which is not limited in this embodiment.

Illustratively, as shown in fig. 3, the number of fastening bands 112 is three, namely, a first fastening band 112a, a second fastening band 112b, and a third fastening band 112 c. First fixing strap 112a is wound on one of the connecting rods 213, and second fixing strap 112b and third fixing strap 112c are respectively wound on the outer circles 212 of the handwheels on two sides adjacent to the one of the connecting rods 213. For example, in combination with fig. 2, the first strap 112a may be wound around the connection rod 213 corresponding to OB in the direction indicated by arrow 2, the second strap 112b may be wound around the AB segment of the outer hand wheel circle 212 adjacent to the connection rod 213 corresponding to OB in the direction indicated by arrow 1, and the third strap 112c may be wound around the BC segment of the outer hand wheel circle 212 adjacent to the connection rod 213 corresponding to OB in the direction indicated by arrow 3, although the positions of the first strap 112a, the second strap 112b, and the third strap 112c may be interchanged, or may be wound around in other directions, which is not limited in this embodiment.

Illustratively, referring to fig. 2 and 3, second strap 112b and third strap 112c wrap around hand wheel outer circle 212 in opposite directions. For example, second strap 112b may be wrapped around the AB segment of outer handwheel circle 212 in the direction indicated by arrow 1 in fig. 2, and correspondingly, third strap 112c may be wrapped around the BC segment of outer handwheel circle 212 in the direction indicated by arrow 3 in fig. 2, or second strap 112b may be wrapped around the BC segment of outer handwheel circle 212 in the direction indicated by arrow 3 in fig. 2, and correspondingly, third strap 112c may be wrapped around the AB segment of outer handwheel circle 212 in the direction indicated by arrow 3 in fig. 2, which is not limited in this embodiment.

Illustratively, as shown in fig. 1-3, the locking strap 110 is a chain. The chain may be made of metal, such as iron, copper, or the like, and of course, the chain may be made of other materials, which is not limited in this embodiment. The chain generally comprises links or rings, although the chain may comprise other elements, and the embodiment is not limited thereto. This embodiment can make the mode that a plurality of fixed bands and connecting band meet more nimble to can select suitable position to pass through the lock body and lock a plurality of fixed bands and connecting band.

For example, as shown in fig. 1 to 3, the size of the links of the fixing strap 112 and the size of the links of the connecting strap 113 are smaller than the size of the links of the locking strap body 111. For example, the size of the link of the fastening strap 112 or the size of the link of the connecting strap 113 may be two-thirds, three-fourths, three-fifths, etc. of the size of the link of the locking strap body 111, or the size of the link of the fastening strap 112 or the size of the link of the connecting strap 113 may be other sizes smaller than the size of the link of the locking strap body 111, which is not limited in this embodiment. Of course, the size of the link of the fixing strap 112 and the size of the link of the connecting strap 113 may be the same or different, and this embodiment is not limited thereto. This embodiment can save raw and other materials when guaranteeing valve hand wheel tool to lock result of use.

Illustratively, as shown in fig. 1 to 3, the link size of the fixing strap 112 and the link size of the connecting strap 113 are each half of the link size of the locking strap body 111.

For example, as shown in fig. 1 to 3, the plurality of fixing bands 112, the connecting band 113 and the locking band body 111 are integrally formed. Through the integrated into one piece structure, can make the connection between a plurality of fixed bands, connecting band and the lock belt body more firm reliable, prevent that the accident from droing in the use.

Illustratively, as shown in fig. 2, the locking strap 110 is under tension when the valve handwheel 210 is locked. For example, referring to fig. 1 and 2 together, after the plurality of fixing bands 112 and the connecting band 113 are wound, the plurality of fixing bands 112 and the connecting band 113 may be joined by selecting an appropriate position to make the locking band 110 in a tightened state, and then the plurality of fixing bands 112 and the connecting band 113 are locked at the joint by the locking body 120, so that the locking band 110 may be kept in a tightened state when the valve handle 210 is locked. This embodiment utilizes the shortest principle of the straight-line distance between two points, can make the distance between the position of tool to lock locking valve hand wheel and the valve body keep relatively fixed, prevents to have operating space between lock area and the lock body to prevent that the valve hand wheel still is rotatable after the locking, avoids the risk that the valve hand wheel is fixed insecure.

Illustratively, as shown in fig. 1, the lock body 120 is a padlock. The padlock may be a stainless steel padlock, a copper padlock, an iron padlock, or other padlocks made of different materials, which is not limited in this embodiment. As shown in fig. 1, the padlock includes a lock beam 121 and a lock body 122, and the lock beam 121 is fastened to the lock body 122. The lock beam 121 may be a straight shape or a U shape, which is not limited in this embodiment. The skilled person can select the fastening manner according to the requirement, and the embodiment is not limited thereto. This embodiment can more conveniently lock a plurality of fixed bands and connecting band through the lock body to it is more convenient to make valve hand wheel tool to lock's use, can effectively improve work efficiency.

It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. A kind of valve hand wheel tool to lock, the said valve hand wheel includes the inner circle of hand wheel, hand wheel excircle and multiple link levers, said multiple link levers set up along the circumference interval of the said valve hand wheel, and said multiple link levers connect said inner circle of hand wheel and said hand wheel excircle respectively, characterized by that, the said tool to lock includes locking strip and lock body, the said locking strip includes locking strip body, set up in said locking strip body along its length direction multiple fixed bands of first end, and set up in said locking strip body along its length direction connecting band of second end;

the lock body locks the fixing belts and the connecting belt at a junction.

2. The lock according to claim 1, wherein the plurality of securing straps are respectively disposed around one of the connecting rods and the outer circle of the hand wheel adjacent to the connecting rod.

3. The lock according to claim 2, wherein the number of the fixing belts is three, namely a first fixing belt, a second fixing belt and a third fixing belt;

4. The lock according to claim 3, wherein the second strap and the third strap are routed around the outer circumference of the handwheel in opposite directions.

5. The lock according to any one of claims 1 to 4, wherein the lock band is a chain.

6. The lockset of claim 5 wherein said strap link size and said interface strap link size are each smaller than said strap body link size.

7. The lock according to claim 6, wherein the size of the links of the strap and the size of the links of the interface tape are each half the size of the links of the lock body.

8. The lock according to any one of claims 1 to 4, wherein the plurality of securing straps, the connecting strap and the lock strap body are integrally formed.

9. The lock according to any one of claims 1 to 4, wherein the locking band is under tension when the valve handle is locked.

10. The lock according to any one of claims 1 to 4, wherein said lock body is a padlock, wherein said padlock comprises a shackle and a lock body, said shackle being fastened to said lock body.