CN109802345A - Detachable pipe structure, cable tube and air-tightness detection method - Google Patents
Detachable pipe structure, cable tube and air-tightness detection method Download PDFInfo
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- CN109802345A CN109802345A CN201910180021.9A CN201910180021A CN109802345A CN 109802345 A CN109802345 A CN 109802345A CN 201910180021 A CN201910180021 A CN 201910180021A CN 109802345 A CN109802345 A CN 109802345A
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Abstract
The invention discloses a kind of detachable pipe structure, cable tube and air-tightness detection method, the detachable pipe structure includes the first tube body, and the both ends of first tube body are connected separately with first flange portion；The both ends of second tube body, second connector are connected separately with second flange portion；Gasket seal；Wherein, one is constituted after first tube body and the second tube body radial abutment completely to manage, the gasket seal is located at the docking of first tube body and second tube body, the first flange portion and the second flange portion constitute a complete end flange, and are removably connected and fixed between first tube body and second tube body by the first connector.Detachable pipe structure of the invention not only effectively plays mechanical protection effect, but also occupies little space; waterproof; the cost of material is low, convenient for operation, solves the technical issues of modular seal frame for passing through docking cable tube for cable can not effectively do air seal test.
Description
Technical field
The present invention relates to cable pipes to lay field, more particularly to a kind of detachable pipe structure, cable tube and airtight
Property detection method.
Background technique
VLGC ship is full-cool polygonized structure liquefied gas carrier, which requires liquid goods open deck district cable using zinc-plated
Cable tube laying, in order to protect cable.According to risk zontation figure, the range in 3 meters from main deck surface of liquid goods area domain
It is inside all danger zone, passenger's cabin in a ship region is safety zone；Superstructure antetheca on deck is the fire bulkhead of A60 rank, this
Freight house face is built on being and the cable unique bulkhead to be passed through that fore body need to be laid, cable also needs alignment liquid after passing through fire bulkhead
Liquid goods cable transition case interface on goods pipe support gives construction band because its operating space is very limited when laying cables
Carry out very big inconvenience.Therefore, it for how to allow cable frame that can reach fire rating A60 requirement and reach airtight requirement, needs
It is solved using the modular seal frame with blank flange.But this can bring new problem simultaneously, if directly will be flanged (FLGD)
Cable tube is docked with the modular seal frame with blank flange, will be unable to carry out effective air-tight test, if air pressure filled
Enter cable tube, since cable has been laid and pipe is curved, bending and cable of the air pressure that one end is filled in pipe in the inside
Under resistance, air seal test effectively can not be carried out to modular seal frame；In addition, passing through the cable of modular seal frame and cable tube
Once laying, which finishes will lead to, can not dismantle cable tube, it can not further implement air seal test.Therefore, how to connectivity port
Modular seal frame carry out effectively directly single side blow, be a crucial technical problem.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of detachable pipe structures, electricity
Cable pipe and air-tightness detection method can not do air-tightness when cable tube is docked with modular seal frame in the prior art for solving
The technical issues of test.
In order to achieve the above objects and other related objects, the present invention provides a kind of detachable pipe structure, described detachable
Formula pipe structure includes:
The both ends of first tube body, first tube body are connected separately with first flange portion；
The both ends of second tube body, second tube body are connected separately with second flange portion；
Gasket seal；
Wherein, a complete tubular structure is constituted after first tube body and the second tube body radial abutment, it is described close
Gasket is located at the docking of first tube body and second tube body, the first flange portion and second flange portion structure
Removably connected at a complete abutted flange, and between first tube body and second tube body by the first connector
Connect fixation.
Optionally, first tube body and second tube body are semi-circular tube.
Optionally, the first fixed plate is fixedly connected on the outside of two sides of first tube body；The two of second tube body
The second fixed plate is fixedly connected on the outside of side；After first tube body and the second tube body radial abutment, the connector
First tube body and second tube body are connected and fixed by first fixed plate and second fixed plate, it is described close
Gasket is between first fixed plate and second fixed plate.
Optionally, first tube body and second tube body are 1/2 steel pipe；First fixed plate and described second is consolidated
Fixed board is steel plate.
Optionally, first tube body and first fixed plate are welded, second tube body and second fixed plate
Welding.
Optionally, first connector is screw bolt and nut；It is set in first fixed plate and second fixed plate
It is equipped with the fixation hole passed through for the bolt.
Optionally, the material of the gasket seal includes rubber.
In order to achieve the above objects and other related objects, the present invention also provides a kind of cable tube, the cable tube includes:
One end of modular seal frame, the modular seal frame is fixedly connected with blank flange；
One end of cable tube main body, the cable tube main body is fixedly connected with pipe flange；
One detachable pipe structure, the detachable pipe structure includes: the first tube body, the both ends point of first tube body
It is not connected with first flange portion；The both ends of second tube body, second connector are connected separately with second flange portion；Gasket
Piece；Wherein, a complete tubular structure, the gasket seal are constituted after first tube body and the second tube body radial abutment
At the docking of first tube body and second tube body, the first flange portion and second flange portion composition one are complete
Whole abutted flange, and removably connected admittedly between first tube body and second tube body by the first connector
It is fixed；The blank flange of the abutted flange of described detachable pipe structure one end and the modular seal frame passes through the
The docking of two connectors is fixed, the abutted flange of the other end of the detachable pipe structure and the institute of the cable tube main body
Pipe flange is stated to fix by the docking of third connector；
And
Seal Kit and compression module, the Seal Kit and compression module match with the modular seal frame, institute
It states Seal Kit and compression module is used to sequentially pass through the modular seal frame, the detachable pipe structure and institute when cable
After stating cable tube main body, modular seal frame described in sealing blocking.
Optionally, second connector includes screw bolt and nut, and the third connector includes screw bolt and nut.
In order to achieve the above objects and other related objects, the present invention also provides a kind of air-tightness detection methods, described airtight
Detection method includes the following steps for property:
One above-mentioned cable tube is provided；
The abutted flange of described detachable pipe structure one end is connect with the blank flange of modular seal frame with second
Part docking is fixed, the abutted flange of the other end of the detachable pipe structure and the pipe of the cable tube main body
Flange is fixed by the docking of third connector；
By in cable laying to cable support, and sequentially pass through the modular seal frame, the detachable pipe knot
Structure and the cable tube main body；
The modular seal frame is carried out using with the matched Seal Kit of the modular seal frame and compression module
Sealing blocking；
The detachable pipe structure disassembly is removed；
Air-leakage test baste is coated far from one end of the blank flange in the modular seal frame, so that described
Air-leakage test baste fills entire end face；
The puff prot of jet gun is aligned to the opening of the blank flange of the modular seal frame, the puff prot with
The opening of the blank flange gradually increases whiff pressure, continues a setting time at a distance of a set distance；
Whether there is bubble formation according to the one end for smearing the air-leakage test baste, to verify the modular seal
Whether the air-tightness of frame is good；When the air-tightness of the modular seal frame is good, then the demountable tube is closed up and installed back
Original place, conversely, then reinstalling the Seal Kit and compression module.
Optionally, the set distance is between 200mm-400mm.
Optionally, the setting time is between 3min-8min.
Detachable pipe structure of the invention can be used for docking the detachable pipe knot of the modular seal frame of cable tube
Structure, the detachable pipe structure be two halves form (the first tube body and the second tube body), both ends have in sealed module frame
Blank flange and the matched abutted flange of pipe flange (two and half flanges dock to be formed), centre are lined with gasket seal, select spiral shell
Bolt nut realizes two tube body docking；Detachable pipe structure of the invention solves and passes through docking cable tube for cable
Modular seal frame can not effectively be done the technical issues of air seal test；
Detachable pipe structure of the invention not only effectively plays mechanical protection effect, but also occupies little space, waterproof,
The cost of material is low, convenient for operation；
Further, detachable pipe structure of the invention can improve effective implementation of air seal test process, meet to mould
Block formula sealing frame does the demand of air seal test, has a good application prospect.
Detailed description of the invention
Fig. 1 is shown as the schematic perspective view of detachable pipe structure of the invention.
Fig. 2 is shown as the main view of detachable pipe structure of the invention.
Fig. 3 is shown as the top view of detachable pipe structure of the invention.
Fig. 4 is shown as the left view of detachable pipe structure of the invention.
Fig. 5 is shown as the mounting process figure of cable tube of the invention.
Fig. 6 is shown as the artwork that cable tube of the invention carries out air-leakage test.
Component label instructions
1 detachable pipe structure
11 tubular structures
111 first tube bodies
112 second tube bodies
12 abutted flanges
121 first flange portions
122 second flange portions
13 bolts
14 nuts
15 gasket seals
16 fixed plates
161 first fixed plates
162 second fixed plates
2 modular seal frames
3 blank flanges
4 pipes flange
5 cable tube main bodys
6 cables
7 cable supports
8 jet guns
9 bulkheads
10 decks
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Please refer to Fig. 1-Fig. 6.It should be noted that diagram provided in the present embodiment only illustrates this hair in a schematic way
Bright basic conception, only shown in schema then with related component in the present invention rather than component count when according to actual implementation,
Shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its component
Being laid out kenel may also be increasingly complex.
As shown in Figs 1-4, the embodiment of the present invention discloses a kind of detachable pipe structure 1, the detachable pipe structure 1
Form is docked for two semicanals, both ends there are pipe flange 4 with blank flange 3 and cable tube main body 5 in sealed module frame 2
The abutted flange 12 matched, centre are lined with gasket seal 15, select bolt 13 and nut 14 to realize two tube body docking, are able to solve
The modular seal frame 2 for passing through docking cable tube for cable can not effectively be done the technical issues of air seal test.Wherein, Fig. 1
For the schematic perspective view of detachable pipe structure 1；Fig. 2 is the main view of detachable pipe structure 1；Fig. 3 is detachable
The top view of pipe structure 1；Fig. 4 is the left view of detachable pipe structure 1.
As shown in Figs 1-4, the detachable pipe structure 1 includes the first tube body 111, the both ends of first tube body 111
It is connected separately with first flange portion 121；The both ends of second tube body 112, second tube body 112 are connected separately with second flange portion
122；Gasket seal 15；Wherein, a complete pipe is constituted after first tube body 111 and 112 radial abutment of the second tube body
Shape structure 11, the gasket seal 15 are located at the docking of first tube body 111 and second tube body 112, and described first
Flange portion 121 and the second flange portion 122 constitute a complete abutted flange 12, and first tube body 111 and described
It is removably connected and fixed between second tube body 112 by the first connector.
In the present embodiment, first tube body 111 and second tube body 112 for example can be semi-circular tube, described the
Fixed plate 16 (the first fixed plate 161) is fixedly connected on the outside of two sides of one tube body 111；Two of second tube body 112
Fixed plate 16 (the second fixed plate 162) is fixedly connected on the outside of side；First tube body 111 and second tube body 112 are radial
After docking, the connector is by first fixed plate 161 and second fixed plate 162 by 111 He of the first tube body
Second tube body 112 is connected and fixed, and the gasket seal 15 is located at first fixed plate 161 and second fixed plate
Between 162.
As an example, first tube body 111 and second tube body 112 are 1/2 steel pipe；First fixed plate 161
It is steel plate with second fixed plate 162, wherein first tube body 111 is welded with first fixed plate 161, and described the
Two tube bodies 112 are welded with second fixed plate 162.It should be noted that in other embodiments, first tube body 111
It is also possible to be integrally formed with first fixed plate 161, second tube body 112 and second fixed plate 162 can also be with
It is to be integrally formed.
It should be noted that first tube body 111 and second tube body 112, first fixed plate 161 and described
Second fixed plate 162 is also possible to the metal or alloy such as other materials, such as copper, aluminium.
It should be noted that in the present embodiment, the material of the gasket seal can for example select rubber, certainly may be used
To select other materials.
In the present embodiment, first connector is bolt 13 and nut 14；First fixed plate 161 and described
The fixation hole passed through for the bolt 13 is provided in two fixed plates 162, when first tube body 111 and second tube body
112 when radially closing up docking, first fixed plate 161 and second fixed plate 162 contact, places among the two
Gasket seal 15 is stated, is sequentially passed through using bolt 13 described solid in first fixed plate 161 and second fixed plate 162
Determine hole, fastened using nut 14, closes up docking with realize first tube body 111 and second tube body 112.It needs to illustrate
, the size phase of the size of the gasket seal 15 and first fixed plate 161 and/or second fixed plate 162
Match, to realize good watertightness effect.
As shown in figure 5, the present embodiment, which also discloses for above-mentioned detachable pipe structure 1 to be applied to, realizes cable tube main body 5
It is docked with modular seal frame 2, to form complete cable tube.The cable tube includes modular seal frame 2, described
One end of modular seal frame 2 is fixedly connected with blank flange 3；One end of cable tube main body 5, the cable tube main body 5 is fixed
It is connected with pipe flange 4；One picture 1-4 shown in detachable pipe structure 1, the detachable pipe structure 1 includes: the first pipe
The both ends of body 111, first tube body 111 are connected separately with first flange portion 121；Second tube body 112, second connector
Both ends be connected separately with second flange portion 122；Gasket seal 15；Wherein, first tube body 111 and second tube body
A complete tubular structure 11 is constituted after 112 radial abutments, the gasket seal 15 is located at first tube body 111 and described the
At the docking of two tube bodies 112, the first flange portion 121 and the second flange portion 122 constitute a complete abutted flange 12,
And it is removably connected and fixed between first tube body 111 and second tube body 112 by the first connector；It is described can
The abutted flange 12 of 1 one end of detachable pipe structure and the blank flange 3 of the modular seal frame 2 connect by second
Fitting docking is fixed, the abutted flange 12 of the other end of the detachable pipe structure 1 and the institute of the cable tube main body 5
Pipe flange 4 is stated to fix by the docking of third connector；And Seal Kit and compression module, the Seal Kit and compression
Module matches with the modular seal frame 2, and the Seal Kit and compression module are used to sequentially pass through the mould when cable 6
After block formula sealing frame 2, the detachable pipe structure 1 and the cable tube main body 5, modular seal frame 2 described in sealing blocking.
In the present embodiment, the blank flange 3 is connected and fixed on the mould by way of welding or being threadedly coupled
In block formula sealing frame 2, in order to be matched with the abutted flange 12 of detachable 1 left end of pipe structure；Pipe flange 4 and cable
Pipe main body 5 is all steel structure, and welding for example can be used in the two or the mode of threaded connection realizes connection, in order to it is detachable
The abutted flange 12 of 1 right end of formula pipe structure effectively connects, and pipe flange 4 and cable tube main body 5 can for example use standard national standard
Part.
In the present embodiment, second connector includes screw bolt and nut, and the third connector includes bolt and spiral shell
It is female.It should be noted that the connection between other feasible connectors realization flanges can also be used.
As it can be seen in figures 5 and 6, the present embodiment also provides and a kind of above-mentioned cable tube is applied to shipboard cable is coated with and carries out mould
The detection method of the air-tightness of block formula sealing frame 2, the air-tightness detection method the following steps are included:
Step S1, cable tube as shown in Figure 5 is provided.
Step S2, first the first tube body 111 of detachable pipe structure 1 and second tube body 112 are docked, so that described
First fixed plate 161 and second fixed plate 162 contact, and be fixedly connected using screw bolt and nut, it is complete to be formed
Tubular structure 11, wherein prevented gasket seal 15 in first fixed plate 161 and second fixed plate 162；Then
By the screw bolt and nut pair of blank flange 3 of the abutted flange 12 of detachable 1 left end of pipe structure and modular seal frame 2
Fixation is connect, by the pipe of the abutted flange 12 of the right end of the detachable pipe structure 1 and the cable tube main body 5
Flange 4 is fixed by third connector (screw bolt and nut) docking.
It should be noted that the bulkhead 9 is connected and fixed on as shown in fig. 6, the modular seal frame 2 passes through bulkhead 9
On the deck 10 of hull, the left end of the modular seal frame 2 is located at the left side of the bulkhead 9, the modular seal frame 2
Right end (one end for being connected with blank flange 3) is located at the right side of the bulkhead 9, in practical applications, the left side example of the bulkhead 9
It such as can be passenger's cabin in a ship region (safety zone), the right side of the bulkhead 9 for example can be liquid goods area domain (danger zone).
Step S3, cable 6 is applied in cable support 7, and sequentially pass through the modular seal frame 2, it is described can
Detachable pipe structure 1 and the cable tube main body 5, to complete the laying of cable 6.Wherein, the cable support 7 is to hold up
And the available fixed cable 6 of cable tie, the cable support 7 are fixedly connected on the deck 10 of hull.
Step S4, using close to the modular with the matched Seal Kit of the modular seal frame 2 and compression module
Envelope frame 2 is sealed closure.
Step S5, the tools such as spanner can be used, the bolt 13 of detachable 1 centre of pipe structure and nut 14 are twisted off, then
The screw bolt and nut for connecting blank flange 3 and pipe flange 4 is twisted off, the detachable disassembly of pipe structure 1 will be removed.
Step S6, the one end (side into passenger's cabin in a ship) of Yu Suoshu modular seal frame 2 far from the blank flange 3 is coated
Air-leakage test baste, so that the air-leakage test baste fills entire end face；It should be noted that the air-tightness
Detection baste, which for example can be liquid soap or tableware washing detergent liquid etc., can generate the substance of bubble, be not limited with enumerating herein.
Step S7, the puff prot of jet gun 8 is aligned to the opening of the blank flange 3 of the modular seal frame 2, institute
The opening of puff prot and the blank flange 3 is stated at a distance of a set distance, whiff pressure is gradually increased, continues a setting time.
In the present embodiment, the whiff pressure for example can gradually pressurize from 0.01MPa-0.15MPa.
In the present embodiment, the set distance is between 200mm-400mm, such as can be 300mm or so, it is described
Set distance can be adjusted correspondingly as needed.
In this embodiment, the setting time is between 3min-8min, such as can be 5min or so；It needs to illustrate
, the setting time can be adjusted correspondingly as needed.
Step S8, whether bubble formation is had according to the one end for smearing the air-leakage test baste, to verify the mould
Whether the air-tightness of block formula sealing frame 2 is good.
When the air-tightness of the modular seal frame 2 is good, then the demountable tube is closed up and original disassembly is installed back
Locate, rubber gasket on intermediate point, and detachable pipe structure 1 is tightened to blank flange 3 and pipe with screw bolt and nut with spanner
At sub- flange 4, and in-between bolt 13 and nut 14 are tightened.
When the air-tightness of the modular seal frame 2 is problematic, then the Seal Kit and compression module are reinstalled；
It should be noted that after reinstalling the Seal Kit and compression module, if air-tightness again without reaching airtight effect,
It is also likely to be that modular seal frame 2 or the sealing big envelope and compression module there is a problem, needs replacing or return factory's maintenance.
The installation of the cable tube of the present embodiment has fully considered watertightness and has protected the effect of cable, it is empty to occupy structure
Between less and solve the technical issues of air seal test for how making modular seal frame 2.
It is understood that in the present embodiment, the junction of the abutted flange 12 and the blank flange 3 is described
Gasket seal can be set for example to realize sealing in the junction of abutted flange 12 and pipe flange 4.
In description herein, many specific details, the example of such as component and/or method, to provide to this are provided
Inventive embodiments are understood completely.However, those skilled in the art will appreciate that can be in no one or more details
In the case where or by other equipment, system, component, method, component, material, part etc. practice the embodiment of the present invention.
In other cases, the well known structure of not specifically illustrated or detailed description, material or operation, to avoid the embodiment of the present invention is made
Aspect fogs.
" one embodiment (one embodiment) ", " embodiment (an are mentioned throughout the manual
Embodiment) " or " specific embodiment (a specific embodiment) " means and the specific spy that describes in conjunction with the embodiments
Sign, structure or characteristic are included at least one embodiment of the present invention, and not necessarily in all embodiments.Thus,
Phrase " (in one embodiment) in one embodiment ", the " (in embodiment of different places in entire description
An embodiment) " or each presentation of " (in a specific embodiment) in a particular embodiment " be not necessarily
Refer to identical embodiment.In addition, a particular feature, structure, or characteristic of any specific embodiment of the invention can be by any suitable
Mode in conjunction with one or more other embodiments.It should be understood that other modifications of inventive embodiments described and illustrated herein
It may be according to a part instructed herein, and spirit and scope of the invention will be considered with modification.
It should also be understood that can also by more separate or more integrate in a manner of implement one or more of element shown in attached drawing,
Or it is even removed because of that cannot operate in some cases or because according to specific application can be useful and be mentioned
For.
In addition, unless otherwise explicitly indicated, any mark arrow in attached drawing should be considered only as illustratively, and not be
Limitation.In addition, unless otherwise specified, the term as used herein "or" is generally intended to indicate "and/or".In term because providing separation
Or combination ability be unclear and in the case where being foreseen, the combination of component or step also will be regarded as being specified.
It is used such as in description herein and entire chapter claims below, unless otherwise specified, " one (a) ", " one
A (an) " and " being somebody's turn to do (the) " include plural reference object.Equally, such as in description herein and entire chapter claims below
It is used, unless otherwise specified, " ... in (in) " the meaning include " ... in (in) " and " ... go up (on) ".
The foregoing description (including the content described in abstract of description) of illustrated embodiment of the present invention is not intended to detailed
Enumerate or limit the invention to precise forms disclosed herein.Although describing this hair merely for the purpose of illustration herein
Bright specific embodiment and example of the invention, but as those skilled in the art will recognize and appreciate that, it is various equivalent to repair
Changing can be within the spirit and scope of the present invention.As noted, it can be retouched according to the above-mentioned of embodiment of the present invention
It states and these modifications is carried out to the present invention, and these modifications will within the spirit and scope of the present invention.
System and method are described as on the whole herein to help to understand details of the invention.In addition, having given
Various details are gone out to provide the overall understanding of the embodiment of the present invention.However, those skilled in the relevant art will be appreciated that
It arrives, the embodiment of the present invention can be practiced in the case where none or multiple details, or utilize other dresses
It sets, system, accessory, method, component, material, part etc. are practiced.In other cases, and it is not particularly shown or retouch in detail
Known features, material and/or operation is stated to cause to obscure to avoid the various aspects to the embodiment of the present invention.
Thus, although the present invention is described in this paper with reference to its specific embodiment, modify free, various changes
It is intended in disclosed above with replacement, and it is to be understood that in some cases, without departing from the scope and spirit for proposing invention
Under the premise of, some features of the invention will be used in the case where no correspondence uses other features.Therefore, can be permitted
More modifications, so that specific environment or material adapt to essential scope and spirit of the invention.The present invention is not intended to limit under
Specific term used in the claims of face and/or specific real to execute disclosed in best mode of the invention as imagining
Example is applied, but the present invention will include any and all embodiments fallen within the scope of the accompanying claims and equivalent.Thus,
The scope of the present invention will be only determined by appended claims.
Claims (10)
1. a kind of detachable pipe structure characterized by comprising
The both ends of first tube body (111), first tube body (111) are connected separately with first flange portion (121)；
The both ends of second tube body (112), second tube body (112) are connected separately with second flange portion (122)；
Gasket seal (15)；
Wherein, a complete tubular structure is constituted after first tube body (111) and second tube body (112) radial abutment
(11), the gasket seal (15) is located at the docking of first tube body (111) and second tube body (112), and described
One flange portion (121) and the second flange portion (122) constitute a complete abutted flange (12), and first tube body
(111) it is removably connected and fixed between second tube body (112) by the first connector.
2. detachable pipe structure according to claim 1, which is characterized in that first tube body (111) and described
Two tube bodies (112) are semi-circular tube.
3. detachable pipe structure according to claim 2, which is characterized in that two sides of first tube body (111)
Outside is fixedly connected with the first fixed plate (161)；It is fixed that second is fixedly connected on the outside of two sides of second tube body (112)
Plate (162)；After first tube body (111) and second tube body (112) radial abutment, the connector passes through described first
Fixed plate (161) and second fixed plate (162) connect first tube body (111) and second tube body (112) solid
Fixed, the gasket seal (15) is between first fixed plate (161) and second fixed plate (162).
4. detachable pipe structure according to claim 3, which is characterized in that first tube body (111) and described
Two tube bodies (112) are 1/2 steel pipe；First fixed plate (161) and second fixed plate (162) are steel plate.
5. detachable pipe structure according to claim 4, which is characterized in that first tube body (111) and described the
One fixed plate (161) welding, second tube body (112) and second fixed plate (162) are welded.
6. detachable pipe structure described in -5 any one according to claim 1, which is characterized in that first connector is
Bolt (13) and nut (14)；It is provided on first fixed plate (161) and second fixed plate (162) for the bolt
(13) fixation hole passed through.
7. a kind of cable tube characterized by comprising
One end of modular seal frame (2), the modular seal frame (2) is fixedly connected with blank flange (3)；
One end of cable tube main body (5), the cable tube main body (5) is fixedly connected with pipe flange (4)；
One detachable pipe structure, the detachable pipe structure include: the first tube body (111), first tube body (111)
Both ends are connected separately with first flange portion (121)；Second tube body (112), the both ends of second connector are connected separately with
Two flange portions (122)；Gasket seal (15)；Wherein, first tube body (111) and second tube body (112) radial abutment
A complete tubular structure (11) is constituted afterwards, and the gasket seal (15) is located at first tube body (111) and second pipe
At the docking of body (112), the first flange portion (121) and the second flange portion (122) constitute a complete abutted flange
(12), it and between first tube body (111) and second tube body (112) by the first connector removably connects solid
It is fixed；The blind plate method of the abutted flange (12) of described detachable pipe structure one end and the modular seal frame (2)
Blue (3) are fixed by the docking of the second connector, the abutted flange (12) of the other end of the detachable pipe structure and institute
The pipe flange (4) for stating cable tube main body (5) is fixed by the docking of third connector；
And
Seal Kit and compression module, the Seal Kit and compression module match with the modular seal frame (2), described
Seal Kit and compression module are used to sequentially pass through the modular seal frame (2), the detachable pipe structure when cable (6)
And after the cable tube main body (5), modular seal frame (2) described in sealing blocking.
8. cable tube according to claim 7, which is characterized in that second connector includes screw bolt and nut, described
Third connector includes screw bolt and nut.
9. a kind of air-tightness detection method, which comprises the following steps:
One cable tube as claimed in claim 7 is provided；
By the blank flange (3) of the abutted flange (12) of described detachable pipe structure one end and modular seal frame (2) with the
The docking of two connectors is fixed, the abutted flange (12) of the other end of the detachable pipe structure and the cable tube main body
(5) the pipe flange (4) is fixed by the docking of third connector；
By in cable laying to cable support, and sequentially pass through the modular seal frame (2), the detachable pipe structure
And the cable tube main body (5)；
Using with the matched Seal Kit of the modular seal frame (2) and compression module to the modular seal frame (2) into
Row sealing blocking；
The detachable pipe structure disassembly is removed；
Air-leakage test baste is coated far from the one end of the blank flange (3) in the modular seal frame (2), so that institute
It states air-leakage test baste and fills entire end face；
The puff prot of jet gun (8) is aligned to the opening of the blank flange (3) of the modular seal frame (2), the spray
The opening of port and the blank flange (3) gradually increases whiff pressure, continues a setting time at a distance of a set distance；
Whether there is bubble formation according to the one end for smearing the air-leakage test baste, to verify the modular seal frame
(2) whether air-tightness is good；When the air-tightness of the modular seal frame (2) is good, then the demountable tube is closed up into peace
Original place is reinstalled, conversely, then reinstalling the Seal Kit and compression module.
10. air-tightness detection method according to claim 9, which is characterized in that the set distance is between 200mm-
Between 400mm, the setting time is between 3min-8min.
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| CN112103878A (en) * | 2020-09-07 | 2020-12-18 | 广东电网有限责任公司 | Cable distribution box |
| CN117058962A (en) * | 2023-10-12 | 2023-11-14 | 华北有色工程勘察院有限公司 | Karst passageway moves water grouting shutoff test device |
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