CN218845263U

CN218845263U - Ball valve maintenance protection device

Info

Publication number: CN218845263U
Application number: CN202223134426.5U
Authority: CN
Inventors: 尹悦; 马云舒; 刘晓雯; 吴晓萱; 汪子涵
Original assignee: State Grid Xinyuan Co Ltd; Shandong Taishan Pumped Storage Co Ltd
Current assignee: State Grid Xinyuan Co Ltd; Shandong Taishan Pumped Storage Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-04-11
Anticipated expiration: 2032-11-25

Abstract

The utility model provides a ball valve maintenance protector belongs to energy storage power station technical field. The technical scheme is as follows: a ball valve maintenance protection device comprises a barrel with internal threads, wherein one end of the barrel is provided with a first inner baffle, the other end of the barrel is provided with a first outer baffle, a first round platform-shaped elastomer is arranged between the first inner baffle and the first outer baffle, and the small end of the first elastomer is close to the first inner baffle; the cylinder body is provided with a cylinder body, and the cylinder body is provided with a cylinder body screw rod; the outer side of the first outer baffle is symmetrically provided with studs, the studs are sleeved with protective pedals, and the protective pedals are fixed through nuts. The utility model has the advantages that: the protective pedal is installed by means of the lifting lugs on the ball valve, and the maintenance personnel can walk conveniently.

Description

Ball valve maintenance protection device

Technical Field

The utility model relates to an energy storage power station technical field especially relates to a ball valve maintenance protector.

Background

The ball valve is the most basic equipment of the energy storage power station, is a water inlet valve of a unit, is positioned on the upstream side of a water turbine, is arranged between a pressure steel pipe and an inlet section of a volute of the pump water turbine, is arranged for each unit, and is mainly used for isolating the connection between the pump water turbine and a high-pressure steel pipe under normal conditions so as to play a role in conducting and cutting off water flow. Therefore, the ball valve plays a crucial role in the operation process of the energy storage power station, and the ball valve needs to be maintained regularly in order to ensure the normal operation of the ball valve. Because the volume of ball valve is great, needs maintainer high altitude construction, generally sets up the safety rope at the wall body both ends, then maintainer wears protective apparatus and carries out the operation, but the ball valve surface is the curved surface, and staff's underfooting slippage easily causes personnel's fluctuation in the psychology, causes falling of working apparatus even, has certain potential safety hazard.

The ball valve used in the power station is large in weight and size and needs to be hoisted, so that lifting lugs are arranged above the valve body, and the ball valve maintenance protection device which is installed by means of the lifting lugs is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball valve maintenance protector of installing is carried out with the help of lug on the ball valve.

The utility model discloses a realize through following technical scheme: the ball valve maintenance protection device is characterized by comprising a barrel with an internal thread, wherein one end of the barrel is provided with a first inner baffle, the other end of the barrel is provided with a first outer baffle, a first round-table-shaped elastic body is arranged between the first inner baffle and the first outer baffle, and the small end of the first elastic body is close to the first inner baffle;

the cylinder body is characterized by further comprising a round rod, one end of the round rod is provided with a second outer baffle, the other end of the round rod is provided with a second inner baffle, a second elastic body is arranged between the second inner baffle and the second outer baffle, the small end of the second elastic body is close to the second inner baffle, and the second inner baffle is concentrically provided with a screw rod in threaded connection with the cylinder body;

the outer side of the first outer baffle is symmetrically provided with studs, the studs are sleeved with protective pedals, and the protective pedals are fixed through nuts.

The outer side of the outer baffle II is provided with an outer connecting plate, the outer connecting plate is provided with a mounting opening, and the outer connecting plate extends into the mounting opening by means of a tool to realize rotation of the screw rod.

The outer diameters of the inner baffle I, the inner baffle II, the small end of the elastic body I and the small end of the elastic body II are the same.

One side of the pedal, which is close to the first outer baffle, is provided with a supporting rod which is concentric with the cylinder body, the outer diameter of the supporting rod is smaller than the inner diameter of the cylinder body, and the screw rod is provided with a blind hole matched with the supporting rod. The bracing piece can stretch into in the blind hole, avoids reducing the atress of double-screw bolt, can also avoid haring the internal thread of barrel, the blind hole internal diameter slightly is greater than the external diameter of bracing piece and the outside of blind hole is provided with the chamfer.

Vertical plates are arranged at two ends of the protective pedal, and a top plate is connected to the vertical plates through threads.

The first elastic body and the second elastic body are generally made of rubber materials and used for protecting the lifting lug.

The protective pedal comprises two cross rods which are symmetrically arranged, through holes which are sleeved on the studs are formed in the two cross rods, and the two cross rods are connected through a plate.

The working principle is as follows: the small end of the first elastic body on the barrel body penetrates through one end of the hole of the lifting lug, the small end of the second elastic body on the screw rod penetrates through the other end of the hole of the lifting lug, then the screw rod is rotated to be screwed into the threaded hole of the barrel body, the small ends of the first elastic body, the second elastic body, the first inner baffle, the second elastic body and the second elastic body extend into the hole of the lifting lug until the outer walls of the first elastic body and the second elastic body tightly abut against the end wall of the lifting lug, then the protective pedal is sleeved on the stud, and the nut is screwed for fixing, so that the protective pedal is installed;

in order to prevent the deformation of the two ends of the protective pedal, the top plate is rotated to be pressed against the wall. The corresponding safety rope is also needed to be arranged when the safety rope is used.

The beneficial effects of the utility model are that: the protective pedal is arranged on the lifting lug on the ball valve, so that a worker can conveniently walk on the protective pedal when maintaining the ball valve; need not destroy just can install and the installation dismantlement convenience to the wall body, do not influence the later stage and carry out comprehensive maintenance and maintenance to the ball valve.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the cartridge and its related parts;

FIG. 3 is a schematic view of the structure of a round bar and its related parts;

FIG. 4 is a schematic view of the structure of the guard pedal;

FIG. 5 is a use state reference diagram;

wherein the reference numerals are: 1. a barrel; 2. a round bar; 3. a first elastic body; 4. an elastic body II; 5. a screw; 6. a protective pedal; 7. a stud; 8. a nut; 9. a vertical plate; 10. a top plate; 11. a ball valve; 12. lifting lugs; 101. a first inner baffle plate; 102. a first outer baffle plate; 201. a second inner baffle; 202. a second outer baffle plate; 203. an installation port; 501. blind holes; 601. a cross bar; 602. a support bar; 603. and (3) a plate.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1-5, for ease of illustration, the illustration relating to the safety tread is shown with the middle broken away. The utility model relates to a ball valve maintenance protector, which is characterized by comprising a barrel body 1 with internal threads, wherein one end of the barrel body 1 is provided with a first internal baffle 101, the other end of the barrel body is provided with a first external baffle 102, a first truncated cone-shaped elastomer 3 is arranged between the first internal baffle 101 and the first external baffle 102, and the small end of the first elastomer 3 is close to the first internal baffle 101;

the cylinder body 1 is characterized by further comprising a round rod 2, wherein one end of the round rod 2 is provided with an outer baffle II 202, the other end of the round rod 2 is provided with an inner baffle II 201, an elastic body II 4 is arranged between the inner baffle II 201 and the outer baffle II 202, the small end of the elastic body II 4 is close to the inner baffle II 201, and a screw rod 5 in threaded connection with the cylinder body 1 is concentrically arranged on the inner baffle II 201;

studs 7 are symmetrically arranged on the outer side of the first outer baffle 102, a protective pedal 6 is sleeved on the studs 7, and the protective pedal 6 is fixed through nuts 8.

An outer connecting plate is arranged on the outer side of the second outer baffle 202, a mounting opening 203 is formed in the outer connecting plate, and a tool is inserted into the mounting opening 203 to achieve rotation of the screw 5.

The outer diameters of the first inner baffle 101, the second inner baffle 201, the small end of the first elastic body 3 and the small end of the second elastic body 4 are the same.

One side of the pedal, which is close to the first outer baffle 102, is provided with a supporting rod 602 which is concentric with the cylinder 1, the outer diameter of the supporting rod 602 is smaller than the inner diameter of the cylinder 1, and the screw 5 is provided with a blind hole 501 which is matched with the supporting rod 602. The support rod 602 can extend into the blind hole 501, so that the stress of the stud 7 is prevented from being reduced, and the internal thread of the cylinder 1 can be prevented from being damaged.

Vertical plates 9 are arranged at two ends of the protective pedal 6, and a top plate 10 is connected to the vertical plates 9 through threads.

The first elastic body 3 and the second elastic body 4 are generally made of rubber materials and used for protecting the lifting lug 12.

The protective pedal 6 comprises two cross rods 601 which are symmetrically arranged, through holes which are sleeved on the studs 7 are formed in the two cross rods 601, the two cross rods 601 are connected through a plate 603, and the two plates 603 can be one or multiple.

The use method comprises the following steps: the small end of an elastic body I3 on a barrel body 1 penetrates through one end of a hole of a lifting lug 12, the small end of an elastic body II 4 on a screw rod 5 penetrates through the other end of the hole of the lifting lug 12, then the screw rod 5 is rotated to enable the screw rod 5 to be screwed into a threaded hole of the barrel body 1, the small ends of an inner baffle I101, an inner baffle II 201, the elastic body I3 and the elastic body II 4 extend into the hole of the lifting lug 12 until the outer walls of the elastic body I3 and the elastic body II 4 are tightly pressed against the end wall of the lifting lug 12, then a protective pedal 6 is sleeved on a stud 7, and a nut 8 is screwed for fixation, so that the installation of the protective pedal 6 is realized;

to prevent deformation of both ends of the guard step 6, the top plate 10 is rotated to abut the top plate 10 against the wall. It is emphasized that a corresponding safety rope is also provided when the safety rope is used.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.

Claims

1. The ball valve maintenance protection device is characterized by comprising a barrel with an internal thread, wherein one end of the barrel is provided with a first inner baffle, the other end of the barrel is provided with a first outer baffle, a first round-table-shaped elastic body is arranged between the first inner baffle and the first outer baffle, and the small end of the first elastic body is close to the first inner baffle;

2. The ball valve maintenance guard according to claim 1, wherein an outer tab is disposed on an outer side of the second outer flap, and a mounting opening is disposed on the outer tab.

3. The ball valve maintenance guard of claim 1, wherein the outer diameters of the first inner retainer, the second inner retainer, the small end of the first elastomer and the small end of the second elastomer are the same.

4. The ball valve maintenance protector according to claim 1, wherein a support rod concentric with the cylinder is disposed on a side of the pedal close to the outer baffle, an outer diameter of the support rod is smaller than an inner diameter of the cylinder, and a blind hole matched with the support rod is disposed on the screw rod.

5. The ball valve maintenance guard of claim 1, wherein vertical plates are disposed at both ends of the guard pedal, and a top plate is disposed on the vertical plates through threaded connection.