CN202825129U - Valve maintenance container - Google Patents

Valve maintenance container Download PDF

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Publication number
CN202825129U
CN202825129U CN 201220462861 CN201220462861U CN202825129U CN 202825129 U CN202825129 U CN 202825129U CN 201220462861 CN201220462861 CN 201220462861 CN 201220462861 U CN201220462861 U CN 201220462861U CN 202825129 U CN202825129 U CN 202825129U
Authority
CN
China
Prior art keywords
valve
container body
container
spool
valve maintenance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220462861
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Chinese (zh)
Inventor
彭思
王广开
降宇波
宋文博
沈琛林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Nuclear Power Engineering Co Ltd
Original Assignee
China Nuclear Power Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Nuclear Power Engineering Co Ltd filed Critical China Nuclear Power Engineering Co Ltd
Priority to CN 201220462861 priority Critical patent/CN202825129U/en
Application granted granted Critical
Publication of CN202825129U publication Critical patent/CN202825129U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a valve maintenance container. A winching lifting mechanism (2) is arranged in a container body (1). A gravity type automatic lifting appliance (3) is arranged below the winching lifting mechanism (2). A valve core support mechanism is arranged below the gravity type automatic lifting appliance (3). A double cover sealing mechanism (10) is arranged at the bottom of the container body (1), and comprises an upper cover and a lower cover. The upper cover is arranged on a baseboard of the container body (1). The lower cover is arranged at the position of a joint of the top of a land penetrating valve. An open and close tool is arranged on the double cover sealing mechanism (10). A horizontal trolley mechanism (11) is arranged above the double cover sealing mechanism (10). Overall process alpha seal and gamma screening can be achieved in operation, and therefore safety of operators and external environment is guaranteed. In addition, replacement of a valve core of the land penetrating valve can be achieved by once butt joint, and therefore the valve maintenance container has the advantages of being reliable in function, simple in operation, stable in transmission and long in service life.

Description

The valve maintenance container
Technical field
The utility model relates to the maintenance container field, is specifically related to a kind of maintenance container that has α sealing and gamma shielding function concurrently be used to wearing ground valve core replacing and transhipment.
Background technology
The executing agency of wearing the ground valve is installed in the enterable zone of personnel, and valve body passes concrete, and spool and flap are positioned at and have radioactivity and corrosivity zone.Its spool belongs to consumable accessory, needs periodic replacement and the old spool that will change is transported, cleans, keeped in repair or scrap etc.In the maintenance spool process, need to take out old spool and put into new spool, after taking out old spool, valve body is communicated with the safety zone, radioactivity and toxic gas in the valve body can spill in the safety zone, and personnel are damaged, and are conscientiously ensured for making personal security, must to changing in the spool process, radgas, poisonous gas and the ray etc. that may leak be control effectively.
The utility model content
For the necessity of wearing ground valve maintenance and the points for attention in the maintenance process, the purpose of this utility model is to provide a kind of maintenance container, can under the condition that satisfies α sealing and gamma shielding, realize wearing replacing and the transhipment of ground valve core.
The utility model is to solve the problems of the technologies described above the technical scheme that adopts as described below:
A kind of valve maintenance container, comprise container body, the bottom of container body is corresponding with the valve of wearing the ground valve, it is characterized in that: comprise hoisting mechanism in the described container body, the gravity type Automatic hook block is set below hoisting mechanism, the gravity type Automatic hook block is connected with the movable pulley of hoisting mechanism, below the gravity type Automatic hook block, be provided for the spool bracket institution of fixed spool, in the bottom of container body double-canopy sealing mechanism is set, double-canopy sealing mechanism comprises the loam cake on the base plate that is arranged on container body and is arranged on the lower cover of the top interface of wearing the ground valve, horizontal small car mechanism is set above double-canopy sealing mechanism, at the lower sides of container body the gloves operating assembly is set.
Further, described horizontal small car mechanism comprises for the control dolly and makees motor, transmission mechanism, the guiding mechanism of horizontal reciprocating movement and be used for guaranteeing the seal closure of the integrality of system sealing.
Further, described spool bracket institution has two covers, and mechanism of every sleeving valve core support comprises for control valve core support makees motor, transmission mechanism, the guiding mechanism of horizontal reciprocating movement and be used for guaranteeing the seal closure of the integrality of system sealing.
Further, the below of described spool bracket institution is provided for respectively locking the valve core grip device of spool.
Further, described hoisting mechanism comprises motor, decelerator and cable drum, and cable drum is connected with movable pulley.
Further, described hoisting mechanism also comprises for the slack rope warning device of feedback signal and is used for guaranteeing the seal closure of the integrality of system sealing.
Further, described container body comprises the liner that is welded by the thin-wall stainless steel housing and the external protection coating that is spliced by some metallic plates, is bolted between the metallic plate, and seam crossing seals by sealing gasket.
Further, the top of described container body is provided with unidirectional air intake filter.
Further, at the sidewall of described container body illuminator is set, at the another side sidewall relative with illuminator observing system is set.
Further again, in the bottom of container body several adjustable legs are set.
The beneficial effects of the utility model are as follows: valve maintenance container of the present utility model, can realize α sealing and the gamma shielding of overall process during operation, can conscientiously guarantee the safety of operating personnel and peripheral environment, the container body inner chamber is subjected to the pollution level of old spool place environmental gas low, reduced the cleaning frequency of container body inner chamber, and the single docking just can realize wearing the replacing of ground valve core, reduce the task amount of transhipment number of times and associative operation, therefore had reliable in function, simple to operate, human intervention is few, stable drive, the speed of movement parts is relatively mild, without thump, the advantage of long service life.
Description of drawings
Fig. 1 is that the master of valve maintenance container is to structural representation;
Fig. 2 is the side direction structural representation of valve maintenance container.
The specific embodiment
Come the utility model is described below in conjunction with the drawings and specific embodiments.
A kind of valve maintenance container, such as Fig. 1, shown in 2, comprise container body 1, the bottom of container body 1 is corresponding with the valve of wearing the ground valve, comprise hoisting mechanism 2 in the container body 1, gravity type Automatic hook block 3 is set below hoisting mechanism 2, gravity type Automatic hook block 3 is connected with the movable pulley of hoisting mechanism 2, below gravity type Automatic hook block 3, be provided for the spool bracket institution of fixed spool, double-canopy sealing mechanism 10 is set in the bottom of container body 1, double-canopy sealing mechanism 10 comprises the loam cake on the base plate that is arranged on container body 1 and is arranged on the lower cover of the top interface of wearing the ground valve, on the double-canopy sealing mechanism 10 switching tools is set, double-canopy sealing mechanism 10 can adopt the double-canopy body structure in the existing known technology, and horizontal small car mechanism 11 is set above double-canopy sealing mechanism 10.
Described horizontal small car mechanism 11 comprises for the control dolly makees motor, transmission mechanism, the guiding mechanism of horizontal reciprocating movement and is used for guaranteeing the seal closure of the integrality of system sealing, motor, transmission mechanism and guiding mechanism are connected, as shown in Figure 1, described seal closure is cuboid, be arranged on the bottom outside of container body 1, motor, transmission mechanism and guiding mechanism all are arranged in the sealing cover; Described spool bracket institution comprises for control valve core support to be made the motor, transmission mechanism, guiding mechanism of horizontal reciprocating movement and is used for guaranteeing the seal closure of the integrality of system sealing, motor, transmission mechanism and guiding mechanism are connected, as shown in Figure 2, described seal closure is cuboid, be arranged on the sidewall outside that is in the container body 1 of same level position with spool support 4, motor, transmission mechanism and guiding mechanism all are arranged in the sealing cover; The spool bracket institution has two covers, spool bracket institution 4,5 below be provided for respectively locking the valve core grip device 8,9 of spool.Described hoisting mechanism 2 comprises motor, decelerator and cable drum, cable drum is connected with movable pulley, hoisting mechanism 2 also comprises for the slack rope warning device of feedback signal and is used for guaranteeing the seal closure of the integrality of system sealing, described seal closure is cuboid, is arranged on the periphery of the hoisting mechanism on container body 1 top.
Container body 1 of the present utility model comprises the liner that is welded by the thin-wall stainless steel housing and the external protection coating that is spliced by some metallic plates, is bolted between the metallic plate, and seam crossing seals by sealing gasket; Be provided with unidirectional air intake filter 14 at the top of container body 1; Illuminator 13 is set, at the another side sidewall corresponding with illuminator 13 observing system 17 is set at the sidewall of container body 1; Be provided for gauge tap instrument and valve core grip device 8, the 9 gloves operating assemblies 12 that clamp and unclamp at a sidewall of container body 1; Several adjustable legs 15 are set in the bottom of container body 1.
In one embodiment, valve maintenance container provided by the utility model mainly partly is comprised of container body 1, hoisting mechanism 2, gravity type Automatic hook block 3, double-canopy sealing mechanism 10, horizontal small car mechanism 11, spool bracket institution 4,5, valve core grip device 8,9, unidirectional air intake filter 14, adjustable legs 15, illuminator 13, observing system 17, gloves operating assembly 12 etc.Container body 1 is the containing inner chamber of new and old spool, it also is the mounting base of other parts, container body 1 is comprised of liner and external protection coating, liner is formed by the welding of thin-wall stainless steel housing, external protection coating is spliced by the polylith metallic plate, with bolts between metallic plate, seam crossing is realized sealing by sealing gasket, and the metallic plate while is as the installation matrix of contained all the other parts of valve maintenance container; Hoisting mechanism 2 drags gravity type Automatic hook block 3 and moves up and down, hoisting mechanism 2 is installed in container body 1 inner and upper position, comprise motor, decelerator, cable drum, steel wire rope, movable pulley, the slack rope warning device, seal closure etc., rotatablely moving behind the decelerator reduction of speed of motor, the driving cable drum rotates, reel rotates realizes the steel wire rope folding and unfolding, steel wire rope towing gravity type Automatic hook block after the movable pulley guiding is done the rectilinear motion of vertical direction, the slack rope warning device can feedback signal be to prevent fault spread when wire cable rupture or clamping stagnation, and seal closure is used for guaranteeing the integrality of system sealing; Gravity type Automatic hook block 3 is connected with the movable pulley of hoisting mechanism 2, can realize spool 6,7 and the pick-and-place of upper and lower double cover doors body during double-canopy sealing mechanism 10 intermeshing; Double-canopy sealing mechanism 10 can be guaranteed old spool 6, radioactivity and pollution gas that α in new spool 7 Renewal process sealed and wore the ground valve insertion do not leak, it comprises loam cake, lower cover and switching tools, loam cake is installed on the base plate of container body 1, lower cover is installed in the top interface of wearing the ground valve, loam cake and lower cover are combined to form double-canopy structure, utilize switching tools to realize, the engagement of lower cover with separate, double cover doors engagement is also hung to rise then valve maintenance container inner chamber and wear the ground valve insertion by gravity type Automatic hook block 3 and is communicated with, double cover doors separates and is transferred then valve maintenance container inner chamber and wear ground valve insertion isolation by gravity type Automatic hook block 3, and each self-forming sealing; Horizontal small car mechanism 11 does horizontal linear and moves back and forth in container body 1 bottom, be used for the upper and lower double cover doors that temporary double-canopy sealing mechanism 10 is in engagement, horizontal small car mechanism 11 comprises motor, transmission mechanism, guiding mechanism, dolly, seal closure etc., because dolly is done linear reciprocating motion, when the valve maintenance container is opened with the transhipment passage of wearing the ground valve, the double cover doors 10 of engagement can temporarily leave on the dolly 11, and seal closure is used for guaranteeing the integrality of system sealing; Spool bracket institution 4,5 is arranged symmetrically with below gravity type Automatic hook block 3, comprise motor, transmission mechanism, guiding mechanism, support, seal closure etc., motor driven support is done the horizontal reciprocating rectilinear motion, spool bracket institution 4,5 is movable to the center of container body 1, and the spool 6,7 that is used for receiving on the gravity type Automatic hook block 3 is also temporarily deposited; Valve core grip device 8,9 is installed in spool bracket institution 4,5 below and is arranged symmetrically with, be used for locking spool 6,7, guarantee that in transport process spool 6,7 is without waving the phenomenon of colliding with, can realize the clamping of spool 6 or 7 and unclamp by personnel's manual operation, when valve core grip device 8,9 is in clamped condition, can guarantee that spool can not produce and rock the damage of avoiding colliding with; The utility model arranges two mechanisms of sleeving valve core support 4,5 and valve core grip device 8,9, can hold simultaneously new and old spool in the container body 1, so that the single docking just can be finished the dismounting of old spool and the installation of new spool; Container body 1 top is provided with unidirectional air intake filter 14, because pollution level increases progressively to wearing the ground valve insertion from the peripheral environment to the container intracavity more successively, unidirectional air intake filter 14 can guarantee that air-flow is all the time by cleaner field flow orientation heavy contamination zone, avoid gas to alter mutually, guarantee inner chamber gas and the spool 6 of container body 1,7 place environmental gas do not leak all the time, so that the outer gas of valve maintenance container is allowed for access after unidirectional air intake filter 14 filters in the valve maintenance container, the inner chamber of valve maintenance container is not subjected to the pollution of peripheral environment atmosphere, gas in the valve maintenance container can't flow into peripheral environment, peripheral environment is not subjected to the pollution of valve maintenance container inner chamber gas, and when the double cover doors passage is in opening, passage place air-flow is flowed to by the valve maintenance container all the time and wears the ground valve, therefore, the inner chamber of valve maintenance container is by spool 6, the degree that 7 regional atmosphere of living in are polluted reduces greatly; Container body 1 bottom is provided with four adjustable legs 15, and its height can be regulated respectively, and it can strengthen the valve maintenance container in the situation that the interface height is different, the bad applicability of ground flat degree; Illuminator 13 is used for to the inner output light source of valve maintenance container; Observing system 17 makes things convenient for personnel to observe the inner case of valve maintenance container; Gloves operating assembly 12 is used for personnel to the simple operations of container intracavity, and main content of operation is engagement and the disengaging of console switch instrument to finish double cover doors 10, or operating valve core holder 8,9 clamping and unclamp.
The unidirectional air intake filter that the utility model will regularly replace filter core as motor and the needs of consumable accessory is installed in the outside of container body 1, can guarantee that the shield effectiveness of container body 1 and sealing effectiveness are not damaged substantially when maintenance or replacing.
Valve maintenance container of the present utility model, container body 1 with its on the interface of all parts all possess the α sealing function, utilize the wall thickness of container body 1 to guarantee its gamma shielding function, guarantee the valve maintenance container in working order with idle state under, its α sealing function and gamma shielding function are secure all the time.
The utility model utilizes the replacing of valve maintenance container to wear the ground valve core and mainly contains following several stages: 1. new spool enters empty valve maintenance container; 2. from wearing in the ground valve old spool is hung in the valve maintenance container, new spool is packed into wear the ground valve simultaneously; 3. old spool is transported the valve maintenance container.Because the operation sequence of this three phases is substantially similar, thus emphasis for above-mentioned the 2. the stage describe, the contents are as follows:
(1) original state of relevant items is: new spool 7 is positioned in the right hand valve core support 5 of valve maintenance container, and is in locking state; All the other movable parts in the valve maintenance container all in a state of nature; Awaiting Overhaul is worn valve place, ground pipeline and is quit work, and feed liquid is emptying in the pipeline;
(2) site environment in cleaning maintenance zone is removed the upper operating mechanism that Awaiting Overhaul is worn ground valve valve, exposes the interface between itself and the valve maintenance container;
(3) utilize the factory building crane with the handling of valve maintenance container to Awaiting Overhaul valve top, the valve maintenance container is descending dock with valve and in place, the supporting leg 15 bottom the control valve maintenance container is guaranteed in place stablizing, the electric-control system of valve maintenance container powers on;
(4) switching tools of the double-canopy sealing mechanism 10 of personnel's manual operation makes upper and lower cover engagement, simultaneously, and the disengagement that is connected of loam cake and container body 1 base plate, the disengagement that is connected of lower cover and valve;
(5) double cover doors 10 that meshed of gravity type Automatic hook block 3 descending crawls, and go upward to horizontal small car mechanism 11 tops, horizontal small car mechanism 11 moves to double cover doors 10 belows, and the gravity type Automatic hook block is about to double cover doors 10 for 3 times and is placed on the dolly, and original position is return by horizontal small car mechanism 11;
(6) the old spool 6 of gravity type Automatic hook block 3 descending crawls, be about on the gravity type Automatic hook block 3 that it hangs in the valve maintenance container, 4 horizontal movements of mechanism of left hand valve core support are to container body 1 center, the gravity type Automatic hook block is about to old spool 6 for 3 times and is placed on the support, and original position is return by mechanism of left hand valve core support 4;
(7) personnel's manual operation left hand valve core holder 8, and old spool 6 is clamped, and simultaneously new spool 7 unclamped;
(8) right hand valve core support 5 moves to container body 1 center, and gravity type Automatic hook block 3 is sling new spool 7, and spool bracket institution 5 is return original position;
(9) gravity type Automatic hook block 3 is descending, new spool 7 down-to-positions, and gravity type Automatic hook block 3 is with spool 7 disengagings and go upward to horizontal small car mechanism 11 tops;
(10) horizontal small car mechanism 11 moves to gravity type Automatic hook block 3 belows, and gravity type Automatic hook block 3 is picked up double cover doors 10, and original position is return by horizontal small car mechanism 11;
(11) the gravity type Automatic hook block is exercised double cover doors 10 returns 3 times, and gravity type Automatic hook block 3 and double cover doors 10 break away from and go upward to the position of original state;
(12) switching tools of the double-canopy sealing mechanism 10 of personnel's manual operation is thrown off upper and lower cover, simultaneously, and base plate locking, the lower cover of loam cake and container body 1 and the valve locking of wearing the ground valve;
(13) valve maintenance container outage utilizes the maintenance container that the factory building crane will be equipped with old spool to hang away, and the upper operating mechanism of wearing the ground valve is reinstalled;
(14) site clearing, the work of this stage is finished.
Valve maintenance container of the present utility model, can realize α sealing and the gamma shielding of overall process during operation, can conscientiously guarantee the safety of operating personnel and peripheral environment, the container body inner chamber is subjected to the pollution level of old spool place environmental gas low, reduced the cleaning frequency of container body inner chamber, and the single docking just can realize wearing the replacing of ground valve core, reduced the task amount of transhipment number of times and associative operation, therefore have advantages of reliable in function, simple to operate, human intervention is few, the speed of stable drive, movement parts is relatively mild, without thump, long service life.
It should be noted that; above-mentioned specific embodiment only is exemplary; under above-mentioned instruction of the present utility model, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion all drop in the protection domain of the present utility model.It will be understood by those skilled in the art that top specific descriptions just in order to explain the purpose of this utility model, is not for restriction the utility model.Protection domain of the present utility model is limited by claim and equivalent thereof.

Claims (10)

1. valve maintenance container, comprise container body (1), the bottom of container body (1) is corresponding with the valve of wearing the ground valve, it is characterized in that: comprise hoisting mechanism (2) in the described container body (1), in the below of hoisting mechanism (2) gravity type Automatic hook block (3) is set, gravity type Automatic hook block (3) is connected with the movable pulley of hoisting mechanism (2), be provided for the spool bracket institution of fixed spool in the below of gravity type Automatic hook block (3), in the bottom of container body (1) double-canopy sealing mechanism (10) is set, double-canopy sealing mechanism (10) comprises the loam cake on the base plate that is arranged on container body (1) and is arranged on the lower cover of the top interface of wearing the ground valve, in the top of double-canopy sealing mechanism (10) horizontal small car mechanism (11) is set, at the lower sides of container body (1) gloves operating assembly (12) is set.
2. a kind of valve maintenance container as claimed in claim 1 is characterized in that: described horizontal small car mechanism (11) comprises for the control dolly makees motor, transmission mechanism, the guiding mechanism of horizontal reciprocating movement and is used for guaranteeing the seal closure of the integrality of system sealing.
3. a kind of valve maintenance container as claimed in claim 2, it is characterized in that: described spool bracket institution has two covers, and mechanism of every sleeving valve core support comprises for control valve core support makees motor, transmission mechanism, the guiding mechanism of horizontal reciprocating movement and be used for guaranteeing the seal closure of the integrality of system sealing.
4. a kind of valve maintenance container as claimed in claim 3, it is characterized in that: the below of described spool bracket institution (4,5) is provided for respectively locking the valve core grip device (8,9) of spool.
5. a kind of valve maintenance container as claimed in claim 4, it is characterized in that: described hoisting mechanism (2) comprises motor, decelerator and cable drum, and cable drum is connected with movable pulley.
6. a kind of valve maintenance container as claimed in claim 5 is characterized in that: described hoisting mechanism (2) also comprises for the slack rope warning device of feedback signal and is used for guaranteeing the seal closure of the integrality of system sealing.
7. such as the described a kind of valve maintenance container of one of claim 1-6, it is characterized in that: described container body (1) comprises the liner that is welded by the thin-wall stainless steel housing and the external protection coating that is spliced by some metallic plates, be bolted between the metallic plate, seam crossing seals by sealing gasket.
8. a kind of valve maintenance container as claimed in claim 7, it is characterized in that: the top of described container body (1) is provided with unidirectional air intake filter (14).
9. a kind of valve maintenance container as claimed in claim 8, it is characterized in that: the sidewall at described container body (1) arranges illuminator (13), at the another side sidewall relative with illuminator observing system (17) is set.
10. a kind of valve maintenance container as claimed in claim 9 is characterized in that: in the bottom of container body (1) several adjustable legs (15) are set.
CN 201220462861 2012-09-11 2012-09-11 Valve maintenance container Expired - Fee Related CN202825129U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220462861 CN202825129U (en) 2012-09-11 2012-09-11 Valve maintenance container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220462861 CN202825129U (en) 2012-09-11 2012-09-11 Valve maintenance container

Publications (1)

Publication Number Publication Date
CN202825129U true CN202825129U (en) 2013-03-27

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ID=47936921

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220462861 Expired - Fee Related CN202825129U (en) 2012-09-11 2012-09-11 Valve maintenance container

Country Status (1)

Country Link
CN (1) CN202825129U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102848165A (en) * 2012-09-11 2013-01-02 中国核电工程有限公司 Maintenance container for valve
CN109604272A (en) * 2018-12-25 2019-04-12 中核四0四有限公司 One kind wearing ground valve plug plug Special tool for dredging
CN110723635A (en) * 2019-11-09 2020-01-24 西安广核阀门科技有限公司 Through-the-earth valve overhauling tool and overhauling method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102848165A (en) * 2012-09-11 2013-01-02 中国核电工程有限公司 Maintenance container for valve
CN102848165B (en) * 2012-09-11 2015-07-08 中国核电工程有限公司 Maintenance container for valve
CN109604272A (en) * 2018-12-25 2019-04-12 中核四0四有限公司 One kind wearing ground valve plug plug Special tool for dredging
CN110723635A (en) * 2019-11-09 2020-01-24 西安广核阀门科技有限公司 Through-the-earth valve overhauling tool and overhauling method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20200911

CF01 Termination of patent right due to non-payment of annual fee