CN107738095A - Flange gasket centering device and method - Google Patents
Flange gasket centering device and method Download PDFInfo
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- CN107738095A CN107738095A CN201711064707.9A CN201711064707A CN107738095A CN 107738095 A CN107738095 A CN 107738095A CN 201711064707 A CN201711064707 A CN 201711064707A CN 107738095 A CN107738095 A CN 107738095A
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- Prior art keywords
- noose
- free end
- pad
- flange
- flange gasket
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a flange gasket centering device and a method, which comprises a rope set unit, wherein the rope set unit comprises a first rope sleeve and a second rope sleeve, a connecting part is arranged between one end of the first rope sleeve and one end of the second rope sleeve, the other end of the first rope sleeve is a first free end, and the other end of the second rope sleeve is a second free end; the first cable sleeve and the second cable sleeve are identical in structure, and the cross sections of the connecting part, the first free end and the second free end are identical in area; the center of connecting portion is provided with central sign, first free end and second free end are protruding outside the ring flange in gasket installation. The flange gasket centering device can ensure that the gasket is centered with a flange surface when being installed, and has the advantages of simple and convenient operation method, low cost, portability, easy carrying and repeated use.
Description
Technical field
The present invention relates to flange interconnection technique field, it is more particularly related to a kind of flange gasket centralising device
And method.
Background technology
Flange is called ring flange or bead, is generally used between pipeline, the connection between pipeline and valve, is set on flange
Perforation, flange is fastened by bolts when installing is close to two flanges., must be when pipeline is installed by the form of flange
The contact surface of two flanges installs a pad, to ensure the sealing of flange face and pressure-bearing.Pad needs when mounted and flange face
Centering is installed, if pad installation misaligns, can cause pad unbalance stress, flange face sealing failure, occur being situated between in pipeline
Situations such as matter leaks, gasket seal is type of attachment the most frequently used in petrochemical equipment pipeline, once flange face sealing loses
Effect, it will cause oil and gas leakage, there is the potential safety hazards such as explosive combustion.
Due to pad external diameter and the cause not of uniform size of bolt hole inner ring, in order to ensure that pad centering is installed, prior art is padding
When piece is installed, pad is first pressed into flange disk interface, then by screwdriver, steel wire etc., inserted by bottom or sidepiece
Enter to withstand flange face, fastening bolt after flange aligns, but due to two flanges close to when, space is small, extract out screwdriver, steel
During silk instrument, flange face easily shifts, it is impossible to ensure pad precise alignment, and operationally typically need more people coordinate, operation
Complexity, installation effectiveness are low.
The content of the invention
The present invention provides a kind of flange gasket centralising device and method, and the flange gasket centralising device is simple in construction, makes
Cost is low, and operating method is simply, conveniently.
The present invention is achieved by the following technical solutions：
One aspect of the present invention provides a kind of flange gasket centralising device, including a rope group unit, the rope group unit include
Connecting portion is provided between one end of first noose and the second noose, one end of first noose and second noose, institute
The other end for stating the first noose is the first free end, and the other end of second noose is the second free end；First noose
It is identical with the second noose structure, the face of the cross section of the connecting portion, first free end and second free end
Product is identical；The connecting portion is provided centrally with center identification, using the center identification as hand-held point in pad installation process,
So that first noose entangles the side of the pad, second noose entangles the opposite side of the pad, the center
Mark, the first free end and the second free end are protruded from outside ring flange in pad installation process.This programme uses a rope group
Unit is the centering installation that pad can be achieved, low manufacture cost simple in construction, light, portable and reusable；Padding
The first noose and the second noose are entangled into pad to be installed respectively in piece installation process, residence is held for one and states in rope group unit
The heart identifies, and another holds residence and states the first free end and the second free end, adjust the pad to be installed to ring flange pair
In, connecting bolt, after the pretightning force grip gasket of bolt, the hand for holding first free end and the second free end is unclamped,
Shake the hand for holding center identification, you can the rope group unit is taken out, it is simple, convenient.
Further, the size of first noose matches with the diameter of pad；
The size of first noose increases with the increase of the washer diameter；
The size of first noose reduces with the reduction of the washer diameter.
Further, the length of first free end and the second free end is all higher than the maximum gauge of flange.It can be seen that will
The length of first free end and the second free end is set greater than the maximum gauge of flange, and person easy to operation grasps force.
Further, first free end is identical with the length of second free end.It can pass through in installation process
Determine pad whether install by centering with reference to whether the end of the first free end and the second free end aligns, centering installation realization side
Method is simple, conveniently, so as to improve the installation effectiveness of pad.
Further, it is provided with the first free end between multiple first size marks, the multiple first size mark etc.
Away from setting；Multiple second sizings, the multiple second sizing spaced set are provided with second free end；
Spacing between two neighboring first size mark is identical with the spacing between two neighboring second sizing.In installation pad
When, the interval between two flanges is smaller, certain error may be produced only according to Visual Observations Observations pad, by two groups of rope group units
Upper setting sizing, it can conveniently and efficiently ensure the precise alignment of pad.
Further, the spacing between two neighboring first size mark is between 1-5cm.Can basis in practical operation
The size of pad and ring flange diameter selects the first size mark of different spacing.
Further, the sizing is knot either colour code or the knot with colour code.Size mark
Know and be easy to identify using colour code, the centering of the faster adjusting gasket of energy, in order to further improve identification, the size mark
The knot with colour code can also be used by knowing.
Further, the rope group unit is flexible strand.Rope group unit can be ensured to bear certain strength and not broken.
Further, first noose and the second noose are elastic threads.Relaxed state is changed into from tensioned state in noose
Afterwards can be towards the periphery movement of pad, so as to be more convenient when taking out rope group.
Another aspect of the present invention provides a kind of flange gasket centering method, and this method is filled using above-mentioned flange gasket centering
Put, the flange gasket centering method includes：
First noose and the second noose are entangled into pad to be installed respectively, the pad to be installed is positioned over flange
In card；
One is held the center identification that rope group unit is stated in residence, and another holds residence and states the first free end and second freely
End, adjust the pad to be installed to ring flange centering；
Connecting bolt, after the pretightning force grip gasket of bolt, first free end and the second free end are held in release
Hand, shake and hold the hand of center identification, take out the rope group unit.
Flange gasket centralising device provided by the invention includes a rope group unit, and rope group unit includes the first noose and second
Be provided with connecting portion between one end of noose, one end of first noose and second noose, first noose it is another
One end is the first free end, and the other end of second noose is the second free end, and the first noose and the second noose structure are identical,
Connecting portion is provided centrally with center identification, and the flange gasket centralising device can ensure when pad is installed and flange face centering,
Flange gasket centralising device is simple in construction, low manufacture cost, light, portable and reusable.
Flange gasket centering method provided by the invention distinguishes the first noose and the second noose in pad installation process
Entangle pad to be installed, one is held the center identification that rope group unit is stated in residence, another hold residence state the first free end and
Second free end, adjust the pad to be installed to ring flange centering, connecting bolt, treat the pretightning force grip gasket of bolt
Afterwards, the hand for holding first free end and the second free end is unclamped, shakes the hand for holding center identification, you can take out the rope
Group unit, it is simple, convenient.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is flange gasket centralising device structural representation provided in an embodiment of the present invention；
Fig. 2 is multiple flange gasket centralising device structural representations provided in an embodiment of the present invention；
Fig. 3 is the vertically-mounted front view of flange gasket centralising device pad provided in an embodiment of the present invention；
Fig. 4 is the vertically-mounted side view of flange gasket centralising device pad provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Pad be by can produce be plastically deformed and with some strength material made of annulus, flange gasket is as one
Kind of sealing connecting element, plays vital effect in pipe-line system, its quality with flange contact facings sealing, directly
Connect the safety for affecting pipe-line system operation.Pad needs to install with flange face centering when mounted, if pad installation is not right
In, pad unbalance stress, flange face sealing failure can be caused.The present invention loses for existing pad when being installed with flange centering
Lose the problem of rate is high, installation effectiveness is low and design a kind of flange gasket centralising device.
In the description of the invention, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " are base
In orientation shown in the drawings or position relationship, description description of the invention and simplified, rather than instruction or hint are for only for ease of
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of invention.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relatively heavy
The property wanted or the implicit quantity for indicating indicated technical characteristic.In the description of the invention, " multiple " are meant that at least two
It is individual, such as two, three etc., unless otherwise specifically defined.
In the description of the invention, unless otherwise clearly defined and limited, term " installation ", " connection ", " fixation " etc.
It should be interpreted broadly, such as can be fixedly connected or be detachably connected, or be integrally formed；Can mechanically connect,
Can also electrically connect or can communicate with one another；Can be joined directly together, can also be indirectly connected by intermediary, can be with
Make the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
The part term in the application is explained below, so as to skilled artisan understands that.
Pad, it is the mechanical seal between two objects, generally to prevent from being under pressure between two objects, burn into
Expanded with heat and contract with cold naturally with pipeline leakage.Because machining surface can not possibly be perfect, scrambling can be filled up using pad.
Pad is generally made up of flaky material, such as packing paper, rubber, silicon rubber, metal, cork, felt, neoprene, nitrile rubber, glass
Glass fiber or plastic polymer (such as polytetrafluoroethylene (PTFE)).
Flange, flange flange disk or bead are called, are the part being connected with each other between axle and axle, the present invention refers to for pipe end
Between connection.
Flange connects, and is two pipelines, pipe fitting or equipment, is first individually fixed on a ring flange, two ring flanges
Between, plus pad, tightened together with bolt and complete connection.
Technical scheme is described in detail with specifically embodiment below.For same or analogous concept
Or process may repeat no more in certain embodiments.Below in conjunction with accompanying drawing, embodiments of the present invention are described.
Embodiment one：
Fig. 1 is flange gasket centralising device structural representation provided in an embodiment of the present invention, is referred to shown in Fig. 1, this hair
Bright flange gasket centralising device includes a rope group unit 1, and the rope group unit includes the first noose 11 and the second noose 12, institute
State and connecting portion 13 be provided between one end of the first noose 11 and one end of second noose 12, first noose 11 it is another
One end is the first free end 14, and the other end of second noose 12 is the second free end 15；First noose 11 and described
The structure of second noose 12 is identical, the cross section of the connecting portion 13, first free end 14 and second free end 15
Area is identical；The connecting portion 13 is provided centrally with center identification 16, with the center identification 16 in pad installation process
To hold point so that first noose 11 entangles the side of the pad 2, and second noose 12 entangles the pad 2
Opposite side, the center identification 16, the first free end 14 and the second free end 15 protrude from ring flange in the installation process of pad 2
Outside 3.
The material of the rope of heretofore described rope group unit 1 is not particularly limited.
Heretofore described first noose 11 is identical with the structure of the second noose 12, first noose 11 and described
Two nooses 12, first noose 11 in pad installation process entangles the side of the pad 2, and the second noose 12 entangles the pad 2
Opposite side, the size of the first noose 11 and second noose 12 determines according to the size of installation pad 2, when the chi of pad 2
After very little determination, the size of the first noose 11 and second noose 12 can ensure when the first noose 11 entangles the pad 2
Side, the pad 2 can be tightened when the second noose 12 entangles the opposite side of the pad 2 on ring flange 3, work as pad
Piece is tightened when on ring flange 3, and the vertical range at noose to the edge of pad 2 is the smaller the better, and the present invention is to first noose
11 and the specific size of second noose 12 be not particularly limited.
First noose 11 of the present invention and second noose 12 can be and connecting portion 13, the first free end 14,
Two free ends 15 be integrally formed or post production process in the two of the connecting portion 13 is fixed on by external part
End, can also be that separating two strands at the both ends of connecting portion 13 in manufacturing process is made.For example, when rope group unit is plastic cement
During material, the first noose 11 and second noose 12 can be can with connecting portion 13, the first free end 14, the second free end 15
Making is integrally formed by mould；Rope group unit 1 can be also made using a rope strand, and the first noose 11 and the second noose 12 are logical
Cross and separate two strands respectively at the both ends of connecting portion 13 and be fabricated to, the present invention is not particularly limited to the production method of rope group unit.
The connecting portion 13, first free end 14 are identical with the area of the cross section of second free end 15, can ensure to restrict
Group unit 1 is uniformly not easy to be pulled off in tensioned state lower stress.
The centrally disposed center identification 16 of connecting portion 13 of the present invention can be knot or colour code, center identification 16
For the hand-held point in the installation process of pad 2, distance and center of the center identification 16 to first noose 11 in installation process
The distance of mark 16 to second noose 12 is identical, and pad holding in installation process, which is stopped, is held a little, and another is held
Firmly the first free end 14 and the second free end 15, in order to be easy to both hands to exert a force in installation process, the center identification 16, first is certainly
Protruded from by the free end 15 of end 14 and second in the installation process of pad 2 outside ring flange 3.The present invention is to connecting portion 13, first
The specific length of the free end 15 of free end 14 and second is not particularly limited.
Flange gasket centralising device provided by the invention includes a rope group unit, and rope group unit includes the first noose and second
Be provided with connecting portion between one end of noose, one end of first noose and second noose, first noose it is another
One end is the first free end, and the other end of second noose is the second free end, and the first noose and the second noose structure are identical,
Connecting portion is provided centrally with center identification, and flange gasket centralising device is simple in construction, low manufacture cost, it is light, portable and
It is and reusable；The flange gasket centralising device can ensure when pad is installed and flange face precise alignment；Installed in pad
During the first noose and the second noose entangled into pad to be installed respectively, one is held the center mark that rope group unit is stated in residence
Know, another holds residence and states the first free end and the second free end, adjusts the pad to be installed and arrives and ring flange centering, company
Connecting bolt, after the pretightning force grip gasket of bolt, the hand for holding first free end and the second free end is unclamped, shake is held
The firmly hand of center identification, you can the rope group unit is taken out, it is simple, convenient.
Specifically, Fig. 2 is multiple flange gasket centralising device structural representations provided in an embodiment of the present invention；Refer to figure
Shown in 2, the size of first noose 11 and second noose 12 matches with the diameter of pad 2.The flange gasket
Piece centralising device passes through the first noose 11 and the upper and lower surface of the setting-up piece 2 of second noose 12, the first noose when in use
11 and second noose 12 be inserted in the distance of pad 4 and can ensure pad 2 in the surface fixation of flange 3, first
The size of noose 11 and second noose 12 changes according to the size variation of the diameter of pad 2, in order to ensure that pad 2 can be consolidated
Fixed firm, the size of the first noose 11 and second noose 12 increases, the first noose 11 with the increase of the diameter of pad 2
Reduce with the size of second noose 12 with the reduction of the diameter of pad 2.
Further, the flange gasket centralising device ensures that locates pad 2 in installation bolt pretension all the time
In tensioned state, the length of 14 and second free end of the first free end 15 should be greater than the maximum gauge of flange 3, with this identical
It is that the distance of the noose of center identification 16 to the first 11 and the distance of the noose of center identification 16 to the second 12 are also greater than flange 5
Maximum gauge, can so ensure that the both hands of operator catch center identification 16, the first free end 14 and the second free end 15
Apply pulling force.
Further, first free end 14 is identical with the length of the second free end 15.Padded when in the installation process of pad 2
Piece 2 is located at the centre position of flange, and center identification 16 is the hand-held point of a hand, and the first free end 14 and the second free end 15 are
The gripping point of another hand, when in installation process can by reference to the end of the first free end 14 and the second free end 15 whether
Align to determine pad 2 whether install by centering, centering installation implementation method simply, conveniently, is imitated so as to improve the installation of pad 2
Rate.
In order to improve the precision for using flange gasket centralising device installation pad 2, further, the center identification
16 and first are provided with multiple first sizes marks 17, the multiple first chi between noose 11 and first free end 14
17 spaced sets of very little mark；It is provided between the noose 12 of center identification 16 and second and on second free end 15 more
Individual second sizing 18, the multiple spaced set of second sizing 18；Between two neighboring first size mark 17
Spacing it is identical with the spacing between two neighboring second sizing 18.When pad is installed, pad 2 is placed in the first noose 11
After in second noose 12, a hand catches center identification 16, and another hand catches the first free end 14 and second free
End 15, pad 2 is positioned on flange 3, and the free end 14 of connecting portion 13 first and the second free end 15 are tightened in 3 liang of flange
End, and at the maximum gauge of flange 3.After center identification 16 is fixed as hand-held point, observation first size mark 17 and the
Two sizings 18, when connecting portion 13 is located at the first size mark 17 and the second sizing of the maximum gauge opening position of flange 3
18 identify for corresponding identical, and the second size in the first size mark 17 and the second free end 15 on the first free end 14
It is when corresponding to identical mark to identify 18 position at flange maximum gauge, you can pad 2 and the precise alignment of flange 3 are determined,
When installing pad 2, the interval between two flanges 3 is smaller, and certain error may be produced only according to Visual Observations Observations pad, by
Sizing is set on two groups of rope group units, can conveniently and efficiently ensure the precise alignment of pad 2.
Further, the spacing between first size mark 17 and the second sizing 18 is between 1-5cm.
When the spacing of knot or colour code is smaller, when two rope group units are under tensioned state, the first size mark 17 and the
Two sizings, 18 corresponding position is when being adjusted to identical colour code, it may be determined that pad 2 and the precise alignment of flange 3, when
When the spacing of knot or colour code is larger, the chi on connecting portion 13, the first free end 14 and the second free end 15 may be referred to
Position and the distance of hithermost knot or colour code of the very little mark at flange maximum gauge are adjusted.
Alternatively, the sizing is knot either colour code or the knot with colour code, when size mark
Know for knot when first size mark 17 and 18 corresponding position of the second sizing be identical knot, in order to prevent
Knot loosens when rope group unit shakes, and knot should be solid, in order to ensure quickly to pad 2 to apply in connecting bolt pretension
Pretightning force, the size of the knot should be smaller.When sizing is colour code, the colour code may be selected what is easily distinguished
The color easy to identify such as red, black, blueness, sizing be easy to identify using colour code, can faster adjusting gasket 2
Centering.In order to further improve identification, the sizing can also use the knot with colour code.
Further, the first noose 11 and the second noose 12 are flexible strand because noose in the installation process of pad 2
After the upper and lower surface for entangling pad 2, to tighten in the both ends of flange 3, the first noose 11 and the second noose 12 need to bear certain
Strength and it is not broken, the material of noose can have certain elasticity, being capable of direction after noose is changed into relaxed state from tensioned state
The periphery of pad 2 is mobile, so as to be more convenient when taking out rope group；First free end 14 and the second free end 15 are also flexible strand,
And can bear to make to be applied to the power of tightening on rope group unit during 2 centering of pad, the connecting portion 13, first of rope group unit is freely
The free end 15 of end 14 and second is preferably nonelastic rope.
Embodiment two：
The flange gasket centralising device of the present embodiment includes a rope group unit 1, and the rope group unit includes the first noose 11
With the second noose 12, connecting portion 13, institute are provided between one end of first noose 11 and one end of second noose 12
The other end for stating the first noose 11 is the first free end 14, and the other end of second noose 12 is the second free end 15；It is described
First noose 11 is identical with the structure of the second noose 12, and the connecting portion 13, first free end 14 and described second are certainly
Area by the cross section at end 15 is identical；The connecting portion 13 is provided centrally with center identification 16, in pad installation process
It is hand-held point with the center identification 16 so that first noose 11 entangles the side of the pad 2, second noose 12
The opposite side of the pad 2 is entangled, the center identification 16, the first free end 14 and the second free end 15 were installed in pad 2
Protruded from journey outside ring flange 3.
Fig. 3 is the vertically-mounted front view of flange gasket centralising device pad provided in an embodiment of the present invention, and Fig. 4 is the present invention
The vertically-mounted side view of flange gasket centralising device pad that embodiment provides.Refer to shown in Fig. 3, Fig. 4, using above-mentioned flange
The application method of pad centralising device is as follows：
S101,12 sets of 11 and second rope of the first noose entangled into pad 2 to be installed respectively, by the pad to be installed
2 are positioned on flange surface.
Specifically, the size for the pad 2 installed as needed, rope of the selection with suitable first noose and the second noose
Group unit, the side of pad 2 is entangled with the first noose 11, the second noose 12 entangles the opposite side of the pad 2, and operator is on the other hand
Center identification is caught, residence is held for one and states the first free end and the second free end, the pad 2 to be installed is positioned over flange
On the face of disk 3.
S102, a holding residence state the center identification 16 of rope group unit, and another holds residence and states the first free end 14
With the second free end 15, adjust the pad 2 to be installed and arrive and the centering of ring flange 3.
S103, connecting bolt, after the pretightning force grip gasket of bolt, first free end 14 and second is held in release
The hand of free end 15, the hand for holding center identification 16 is shaken, takes out the rope group unit.
Flange gasket centering method provided by the invention distinguishes the first noose and the second noose in pad installation process
Entangle pad to be installed, one is held the center identification that rope group unit is stated in residence, another hold residence state the first free end and
Second free end, adjust the pad to be installed to ring flange centering, connecting bolt, treat the pretightning force grip gasket of bolt
Afterwards, the hand for holding first free end and the second free end is unclamped, shakes the hand for holding center identification, you can take out the rope
Group unit, it is simple, convenient.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. flange gasket centralising device, it is characterised in thatIncluding a rope group unit, the rope group unit includes the first noose and the second noose, one end of first noose and institute State and connecting portion is provided between one end of the second noose, the other end of first noose is the first free end, second rope The other end of set is the second free end；First noose is identical with the second noose structure, and the connecting portion, first free end and described second are certainly The area of cross section by holding is identical；The connecting portion is provided centrally with center identification, using the center identification as hand-held point in pad installation process, makes The side that first noose entangles the pad is obtained, second noose entangles the opposite side of the pad, the center mark Know, the first free end and the second free end are protruded from outside ring flange in pad installation process.
- 2. flange gasket centralising device according to claim 1, it is characterised in that the size of first noose with The diameter matching of pad；The size of first noose increases with the increase of the washer diameter；The size of first noose reduces with the reduction of the washer diameter.
- 3. flange gasket centralising device according to claim 1, it is characterised in that first free end and second is freely The length at end is all higher than the maximum gauge of flange.
- 4. flange gasket centralising device according to claim 1, it is characterised in that first free end and described second The length of free end is identical.
- 5. flange gasket centralising device according to claim 1, it is characterised in thatMultiple first size marks are provided between the center identification and the first noose and on first free end, it is described more Individual first size identifies spaced set；Multiple second sizings are provided between the center identification and the second noose and on second free end, it is described more Individual second sizing spaced set；Spacing between two neighboring first size mark is identical with the spacing between two neighboring second sizing.
- 6. flange gasket centralising device according to claim 5, it is characterised in that between two neighboring first size mark Spacing between 1-5cm.
- 7. flange gasket centralising device according to claim 5, it is characterised in that the first size mark and the second chi It is very little to be identified as knot either colour code or the knot with colour code.
- 8. according to the flange gasket centralising device described in claim any one of 1-7, it is characterised in that the rope group unit is soft Property rope.
- 9. according to the flange gasket centralising device described in claim any one of 1-7, it is characterised in that first noose and Two nooses are elastic threads.
- 10. a kind of flange gasket centering method, it is characterised in that using the flange gasket pair described in claim any one of 1-9 Middle device, the flange gasket centering method include：First noose and the second noose are entangled into pad to be installed respectively, the pad to be installed is positioned over flange surface On；One is held the center identification that rope group unit is stated in residence, and another holds residence and states the first free end and the second free end, Adjust the pad to be installed to ring flange centering；Connecting bolt, after the pretightning force grip gasket of bolt, the hand for holding first free end and the second free end is unclamped, The hand for holding center identification is shaken, takes out the rope group unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711064707.9A CN107738095A (en) | 2017-11-02 | 2017-11-02 | Flange gasket centering device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711064707.9A CN107738095A (en) | 2017-11-02 | 2017-11-02 | Flange gasket centering device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107738095A true CN107738095A (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711064707.9A Pending CN107738095A (en) | 2017-11-02 | 2017-11-02 | Flange gasket centering device and method |
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| Country | Link |
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| CN (1) | CN107738095A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302239A (en) * | 2022-10-11 | 2022-11-08 | 江苏科翔制泵有限公司 | Sealing gasket mounting equipment for water pump flange |
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