CN210925517U - On-site type electrolytic nuclear pollution decontamination matched decontamination head - Google Patents

Abstract

The utility model relates to a formula electrolysis nuclear pollutes supporting decontamination head of decontaminating on spot, include: a connecting member; a spreader; the clamping piece comprises a first clamping arm and a second clamping arm which are hinged together; the expansion piece is sleeved on the periphery of the connecting piece, the first clamping arm and the second clamping arm are driven to rotate to clamp or loosen the object to be decontaminated by axial reciprocating motion on the connecting piece, the current distribution on the surface of the object to be decontaminated can be more uniform by the aid of the on-site electrolysis nuclear pollution decontamination matched decontamination head, the object to be decontaminated can be reused, use cost is reduced, radioactive pollution generated when nuclear energy is utilized is controlled under a safety standard, and safety of workers, the environment and the public is guaranteed.

Description

On-site type electrolytic nuclear pollution decontamination matched decontamination head

Technical Field

The utility model relates to a nuclear environmental protection equipment field especially relates to a supporting decontamination head of formula electrolysis nuclear pollution decontamination on spot.

Background

Decontamination is an indispensable link in the operation of nuclear power plant equipment, and particularly, decontamination of radioactive contamination of metal materials is particularly important. At present, the traditional methods for decontaminating the surfaces of equipment and workpieces of metal materials at home and abroad comprise a physical method and a chemical method, and although the physical method and the chemical method are mature and wide in application, a plurality of problems exist. Such as radioactive dust generated by physical methods, seriously harming the health of operators and the environment, and even possibly generating explosive mixtures; the chemical method has the defects of large secondary waste generation amount, easy corrosion to equipment and the like. The electrochemical decontamination method has the advantages of good decontamination effect, high treatment efficiency, less secondary waste liquid generation amount, leveling effect on components and the like, and is concerned.

In order to ensure the electrochemical decontamination effect and prevent the metal parts from being damaged in the decontamination process, a corresponding decontamination head needs to be selected according to the shape of the metal parts, for example, a large number of water pump impellers are in urgent need of rapid decontamination on site. Therefore, the development of an on-site type electrolytic nuclear decontamination matched decontamination head is a problem which needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a matched decontamination head for on-site electrolysis nuclear pollution decontamination.

The utility model provides a technical scheme that its technical problem adopted is: an in-situ electrolytic nuclear pollution decontamination matched decontamination head is constructed, which comprises

A connecting member;

a spreader;

the clamping piece comprises a first clamping arm and a second clamping arm which are hinged together;

the expansion piece is sleeved on the periphery of the connecting piece, and the expansion piece axially reciprocates on the connecting piece to drive the first clamping arm and the second clamping arm to rotate so as to clamp or separate the object to be decontaminated.

Preferably, the connecting piece is a long-strip-shaped rod body;

the bottom of the rod body is provided with a sleeve.

Preferably, the first clamp arm comprises a first torus;

the first groove-shaped part and the third groove-shaped part are obliquely and diagonally arranged on the circumferential side surface of the first ring body along two sides of the axis of the rod body;

the second clamping arm comprises a second ring body;

and the second groove-shaped part and the fourth groove-shaped part are obliquely and diagonally arranged on the circumferential side surface of the second ring body along two sides of the axis of the rod body.

Preferably, the first channel-shaped part and the third channel-shaped part are arranged on the first annular ring body on the same opposite side, and the other side extends towards the second annular ring body;

the second groove-shaped part and the fourth groove-shaped part are arranged on the second annular body at the same side opposite to each other, and the other side of the second groove-shaped part extends towards the first annular body.

Preferably, the device also comprises a rotating shaft;

the first annular body and the second annular body are arranged on two sides of the sleeve;

the rotating shaft sequentially penetrates through the first annular body, the sleeve and the second annular body and is fixed in an auxiliary mode through a fastener.

Preferably, the top of the third channel member is provided with a first support;

and a second support is arranged at the top of the fourth groove-shaped part.

Preferably, the bottom of the third channel part is formed by protruding outwards and is used for assisting in supporting the first fixing device of the object to be decontaminated;

the bottom of the fourth groove-shaped part is formed in an outward protruding mode and used for assisting in supporting second fixing devices of the object to be decontaminated.

Preferably, the spreader is an adjusting bolt;

the adjusting bolt is provided with a shaft hole which is sleeved on the periphery of the rod body;

one section or the whole section of the outer surface of the rod body is provided with a first thread;

and the inner surface of the shaft hole is provided with a second thread which is matched with the first thread and used for adjusting the adjusting bolt and fixing the adjusting bolt at the preset position of the rod body.

Preferably, the adjusting bolt is an integrated structure with a cylindrical top and an inverted frustum at the bottom;

the top of the first channel-shaped part is oppositely provided with a first inclined bearing surface used for matching with the side surface of the inverted frustum body;

and the top of the second channel-shaped part is oppositely provided with a second inclined bearing surface used for matching with the side surface of the inverted circular truncated cone body.

Preferably, the device further comprises a nut and a lifting lug rotatably arranged on the circumferential side surface of the nut);

a third thread is arranged at the top of the rod body);

and a fourth thread matched with the third thread and used for detachably mounting the nut on the rod body is arranged on the inner side of the nut.

Implement the utility model discloses following beneficial effect has: the utility model discloses a supporting decontamination head of formula electrolysis nuclear pollution decontamination on spot can make by the current distribution on decontamination article surface more even for can used repeatedly by decontamination article, reduce use cost, and guarantee to utilize the radioactive contamination control that the nuclear energy will produce under safety standard, guarantee staff, environment and public safety.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

FIG. 1 is a schematic structural view of a decontamination head used in conjunction with in-situ electrolytic nuclear contamination decontamination;

FIG. 2 is a schematic side view of the structure of the in-situ electrolytic nuclear contamination decontamination matched decontamination head of the present invention;

fig. 3 is a schematic structural view of the first clamping arm of the present invention;

FIG. 4 is a schematic side view of a first clamp arm according to the present invention;

fig. 5 is a schematic top view of a first clamp arm of the present invention;

fig. 6 is a schematic structural diagram of the connecting member of the present invention;

fig. 7 is a schematic structural view of the sleeve 11 of the present invention;

FIG. 8 is a schematic view of the spreader of the present invention;

fig. 9 is a schematic structural view of the rotating shaft of the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

Referring to fig. 1 to 9, the ground type electrolytic nuclear pollution decontamination matched decontamination head of the present invention comprises

A connecting member;

a spreader;

and the clamping piece comprises a first clamping arm and a second clamping arm which are hinged together.

The expansion piece is sleeved on the periphery of the connecting piece, and the expansion piece axially reciprocates on the connecting piece to drive the first clamping arm and the second clamping arm to rotate so as to clamp or separate the object to be decontaminated. In this embodiment, the object to be decontaminated is a water pump impeller.

In this embodiment, the material of the cleaning head for decontamination of the earth type electrolytic nuclear pollution is 316L stainless steel.

Further, the connecting piece is a bar-shaped bar body 1, and a sleeve 11 is arranged at the bottom of the bar body 1.

Referring to fig. 3 and 4 together, in the present embodiment, the first clamping arm includes a first ring 47, and a first channel 43 and a third channel 46 diagonally disposed on circumferential sides of the first ring 47 along two sides of the axis of the rod body 1. It can be understood that, taking the axis of the rod body 1 as a reference line, the first channel-shaped member 43 and the third channel-shaped member 46 are respectively located at two sides of the axis, and the plane where the first channel-shaped member 43 and the third channel-shaped member 46 are located is parallel to the axis and is diagonally arranged on the circumferential side surface of the first ring body 47.

The second clamping arm comprises a second ring body 48, and a second channel-shaped part 44 and a fourth channel-shaped part 45 which are diagonally arranged on the circumferential side surface of the second ring body 48 along two sides of the axis of the rod body 1. It can be understood that, taking the axis of the rod body 1 as a reference line, the second channel-shaped member 44 and the fourth channel-shaped member 45 are respectively located at two sides of the axis, and the plane where the second channel-shaped member 44 and the fourth channel-shaped member 45 are located is parallel to the axis and is diagonally arranged on the circumferential side surface of the second ring body 48.

Further, the first channel-shaped member 43 and the third channel-shaped member 46 are disposed on the same side of the first annular ring 47, and the other side extends toward the second annular ring 48 to form a semi-enclosed structure, but are not fixedly connected to the second annular ring 48.

Similarly, the opposite same side of the second channel-shaped element 44 and the fourth channel-shaped element 45 is disposed on the second annular body 48, and the other side extends toward the first annular body 47 to form a half-enclosed structure, but is not fixedly connected to the first annular body 47.

Further, referring to fig. 5, a first support 461 is disposed on the top of the third channel member 46; the first seat 461 can make the contact surface of the third channel-shaped member 46 and the first annular ring 47 larger, and the connection is more stable.

Similarly, a second support (not shown) is arranged on the top of the fourth channel element 45.

Further, the bottom of the third trough member 46 is formed to protrude outwards for assisting the first fixing device 41 for supporting the object to be decontaminated. The water pump impeller of nuclear power station includes impeller body, is provided with the mounting hole in the middle of this impeller body, stretches into this mounting hole after third channel section spare 46, outwards struts, and at this moment, first fixing device 41 butt impeller body's surface plays the auxiliary stay effect, avoids at clean working process, this water pump impeller landing.

Similarly, the bottom of the fourth trough member 46 is formed to protrude outwards for assisting the second fixing device 42 for supporting the object to be decontaminated.

It will be appreciated that the first and second clamping arms are of a "scissor-type" construction such that they can be pivoted relative to each other about a hinge point.

Further, referring to fig. 9, the portable electronic device further includes a rotating shaft 3, the first annular body 47 and the second annular body 48 are disposed on two sides of the sleeve 11, the first annular body 47 is provided with a through hole 471 for the rotating shaft 3 to penetrate through, and similarly, the second annular body 48 is also provided with a through hole, and the through hole and the bore diameter of the sleeve hole of the sleeve 11 can be selected according to actual needs.

The rotating shaft 3 sequentially penetrates through the first annular body 47, the sleeve 11 and the second annular body 48 and is fixed by the fastener in an auxiliary manner, so that the first clamping arm and the second clamping arm can rotate around the rotating shaft 3.

Referring to fig. 8, the spreader is an adjusting bolt 2.

The adjusting bolt 2 is provided with a shaft hole 23 for being sleeved on the periphery of the rod body 1.

One section or the whole section of the outer surface of the rod body 1 is provided with a first thread 12, and the inner surface of the shaft hole 23 is provided with a second thread 13 which is matched with the first thread 12 and is used for adjusting the adjusting bolt 2 and fixing the adjusting bolt at the preset position of the rod body 1.

Further, the adjusting bolt 2 is an integrated structure with a cylindrical body 21 at the top and an inverted frustum 22 at the bottom; the top of the first channel-shaped member 43 is oppositely provided with a first inclined bearing surface 431 for matching with the side of the rounded frustum body 22, and similarly, the top of the second channel-shaped member 44 is oppositely provided with a second inclined bearing surface (not shown) for matching with the side of the rounded frustum body 22.

It will be appreciated that the adjusting bolt 2 moves axially along the rod body 1, and when screwed downwards, the inverted circular truncated cone 22 slowly presses the first channel-shaped member 43 and the second channel-shaped member 44, so as to drive the first clamping arm and the second clamping arm to rotate in opposite directions, and when adjusted to the proper position, because the threads are engaged with each other, the adjusting bolt 2 stays in the position.

Further, still include nut 5 to and at the lug 6 of 5 rotatable settings of circumference sides of nut, body of rod 1 top is provided with third screw thread 13, and nut 5 inboard is provided with and cooperatees with third screw thread 13, is used for the fourth screw thread of nut 5 demountable installation on body of rod 1.

In this embodiment, when nuclear pollution decontamination of a decontaminated object such as a water pump impeller is performed, the clamping member is inserted into the mounting hole of the water pump impeller, and the position of the adjusting bolt 2 on the rod body 1 is adjusted to slowly rotate the first clamping arm and the second clamping arm in opposite directions, so that the first fixing device 41 and the second fixing device 42 are abutted to the outer surface of the water pump impeller to perform auxiliary fixing, and a nuclear pollution decontamination process is performed. After the treatment process is finished, the adjusting bolt 2 is adjusted again, so that the clamping piece is separated from the water pump impeller.

The utility model discloses a supporting decontamination head of formula electrolysis nuclear pollution decontamination on spot can make by the current distribution on decontamination article surface more even for can used repeatedly by decontamination article, reduce use cost, and guarantee to utilize the radioactive contamination control that the nuclear energy will produce under safety standard, guarantee staff, environment and public safety.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. An in-situ type electrolytic nuclear pollution decontamination matched decontamination head is characterized by comprising

A connecting member;

a spreader;

the clamping piece comprises a first clamping arm and a second clamping arm which are hinged together;

the expansion piece is sleeved on the periphery of the connecting piece, and the expansion piece axially reciprocates on the connecting piece to drive the first clamping arm and the second clamping arm to rotate so as to clamp or separate the object to be decontaminated.

2. The on-site electrolytic nuclear contamination decontamination matched decontamination head according to claim 1, wherein the connector is an elongated rod body (1);

the bottom of the rod body (1) is provided with a sleeve (11).

3. The on-site electrolytic nuclear decontamination matched decontamination head according to claim 2, wherein said first clamp arm comprises a first torus (47);

the first channel-shaped part (43) and the third channel-shaped part (46) are obliquely and diagonally arranged on the circumferential side surface of the first annular body (47) along two sides of the axis of the rod body (1);

the second clamp arm includes a second torus (48);

and a second channel-shaped part (44) and a fourth channel-shaped part (45) which are obliquely and diagonally arranged on the circumferential side surface of the second ring body (48) along two sides of the axis of the rod body (1).

4. The on-site electrolytic nuclear contamination decontamination matched decontamination head according to claim 3, wherein the first channel member (43) is disposed on the first torus (47) on the same side opposite to the third channel member (46), and the other side extends toward the second torus (48);

the same side of the second channel-shaped part (44) opposite to the fourth channel-shaped part (45) is arranged on the second annular body (48), and the other side extends towards the first annular body (47).

5. The on-site electrolytic nuclear decontamination matched cleaning head according to claim 4, further comprising a rotating shaft (3);

the first ring body (47) and the second ring body (48) are arranged on two sides of the sleeve (11);

the rotating shaft (3) sequentially penetrates through the first annular body (47), the sleeve (11) and the second annular body (48) and is fixed in an auxiliary mode through a fastening piece.

6. The on-site electrolytic nuclear contamination decontamination matched head according to claim 4,

a first support (461) is arranged at the top of the third channel-shaped piece (46);

and a second support is arranged at the top of the fourth channel-shaped piece (45).

7. The on-site electrolytic nuclear contamination decontamination matched head according to claim 6, wherein the bottom of the third channel member (46) is formed to protrude outwards, and the first fixing device (41) is used for assisting in supporting the decontaminated object;

the bottom of the fourth channel-shaped member (45) is formed by protruding outwards and is used for assisting in supporting a second fixing device (42) of the object to be decontaminated.

8. The on-site electrolytic nuclear decontamination matched cleaning head according to claim 7, wherein the spreader is an adjusting bolt (2);

the adjusting bolt (2) is provided with a shaft hole (23) which is sleeved on the periphery of the rod body (1);

one section or the whole section of the outer surface of the rod body (1) is provided with a first thread (12);

the inner surface of the shaft hole (23) is provided with a second thread which is matched with the first thread (12) and used for adjusting the adjusting bolt (2) and is fixed at the preset position of the rod body (1).

9. The on-site electrolytic nuclear contamination decontamination matched head according to claim 8, wherein the adjusting bolt (2) is an integrated structure with a cylindrical body (21) at the top and an inverted frustum body (22) at the bottom;

the top of the first channel-shaped piece (43) is oppositely provided with a first inclined bearing surface (431) for matching with the side surface of the inverted circular truncated cone (22);

the top of the second channel-shaped piece (44) is oppositely provided with a second inclined bearing surface used for matching with the side surface of the inverted circular truncated cone body (22).

10. The on-site electrolytic nuclear contamination decontamination matched head according to claim 9, further comprising a nut (5), and lifting lugs (6) rotatably arranged on the circumferential side of the nut (5);

the top of the rod body (1) is provided with a third thread (13);

and a fourth thread which is matched with the third thread (13) and used for detachably installing the nut (5) on the rod body (1) is arranged on the inner side of the nut (5).

Images