CN109848916A - A kind of blowdown valve valve pocket extracting tool and its valve pocket dismantle extracting method - Google Patents
A kind of blowdown valve valve pocket extracting tool and its valve pocket dismantle extracting method Download PDFInfo
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- CN109848916A CN109848916A CN201910209865.1A CN201910209865A CN109848916A CN 109848916 A CN109848916 A CN 109848916A CN 201910209865 A CN201910209865 A CN 201910209865A CN 109848916 A CN109848916 A CN 109848916A
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- mandril
- pulling claw
- valve pocket
- valve
- arm
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 210000000078 claw Anatomy 0.000 claims abstract description 131
- 238000009434 installation Methods 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000000605 extraction Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Lift Valve (AREA)
Abstract
The invention discloses a kind of blowdown valve valve pocket extracting tools, in vertical mandril when including a use, mandril lower end is abutment end, upper end is rotation force side, it is provided with external screw thread on mandril and a support arm is installed, vertically arranged threaded hole and mandril are screwed on cooperation in the middle part of support arm, support arm two sides are respectively hinged with the pulling claw arm an of strip, pulling claw arm is whole to be extended towards mandril abutting extreme direction, pulling claw arm lengths are greater than valve pocket depth, the end of the nearly mandril abutment end of pulling claw arm rest, which extends outwardly, is provided with pulling claw, pulling claw arm, which is collapsed, is less than valve pocket diameter in two pulling claw outer end spacing when fitting mandril state, pulling claw thickness is less than valve pocket lower part fluting height and pulling claw width is less than groove width and pulling claw is inserted into fluting.The invention also discloses a kind of valve cover drainage valve valve pockets to dismantle extracting method.The present invention can facilitate the valve pocket disassembly for realizing valve cover drainage valve, can be improved the efficiency of valve pocket disassembly and avoid valve pocket because of damage caused by dismantling by force.
Description
Technical field
The present invention relates to a kind of blowdown valve disassembling fixtures, and in particular to a kind of blowdown valve valve pocket extracting tool and its valve pocket are torn open
Unload extracting method.
Background technique
Valve cover drainage valve is evolved by shut-off valve, is a kind of common hand scum cock valve, is utilized hand
Wheel is rotated by 90 ° the purpose opened and closed with ovable valve stem lifting implementation.In the production process of natural gas, need to unstripped gas
In liquid solid impurity separated, the impurity isolated needs to be discharged into outside system.At present i.e. through frequently with valve bush type blowdown
The discharge of valve progress liquid solid impurity.
The structure of general valve cover drainage valve, including valve body, valve inner are provided with a valve pocket installation cavity, valve pocket installation
Intracavitary to be vertically equipped with valve pocket, valve pocket bottom end is connected to valve body side pipe joint downwards, and valve pocket lower part side is circumferentially arranged
There is fluting to be connected to valve body other side pipe joint, spool is provided in valve pocket, spool upper end is connected upwardly to valve by valve rod
It is external and handwheel is installed, be provided on valve rod external screw thread and and valve body upper attachment screw-internal thread fit.In this way, passing through handwheel
The connection and closing of valve body two sides pipe joint can be realized in rotary valve rod, the upper and lower position of adjusting spool.It is small with torque,
It is easy to operate, from the advantages that cleaning during Yi Shixian fast opening and closing and blowdown.
Valve cover drainage valve will guarantee leakproofness, and the cooperation between valve pocket and valve pocket installation cavity is closer, and have close
Seal guarantees cooperation sealing effect.Blowdown simultaneously is easy to cause blowdown in use, waste liquid impurity usually has biggish corrosivity
Such as often there are damaging at the failures in the spool and valve seat insert of valve, need to take out valve pocket in the maintenance process of valve carried out it is clear
Wash, check or replace sealing ring.
Due to being sealed between valve pocket and valve chamber by sealing ring, after sealing ring damage or impurity obstruction fouling, because of valve
Covering no enough grip locations causes the extraction of valve pocket difficult.Scene generallys use the methods of percussion valve pocket, pipe wrench seaming, both
Easy skidding is hurted sb.'s feelings, and is also easy to cause the damage of valve pocket.
Summary of the invention
In view of the above shortcomings of the prior art, a kind of facilitate reality the technical problems to be solved by the present invention are: how to provide
The blowdown valve valve pocket extracting tool and its valve pocket of existing valve pocket disassembly dismantle extracting method, improve the efficiency of valve pocket disassembly and avoid valve
Set caused by dismantling by force because damaging.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of blowdown valve valve pocket extracting tool and its valve pocket dismantle extracting method, which is characterized in that in erecting when including useing
To mandril, mandril lower end is abutment end, and upper end is rotation force side, is provided with external screw thread on mandril and is equipped with a branch
Arm, vertically arranged threaded hole and mandril are screwed on cooperation in the middle part of support arm, and support arm two sides are respectively hinged with the pulling claw arm an of strip,
Pulling claw arm is whole to be extended towards mandril abutting extreme direction, and pulling claw arm lengths are greater than valve pocket depth, and the nearly mandril of pulling claw arm rest supports
The end for connecing end, which extends outwardly, is provided with pulling claw, and pulling claw arm, which is collapsed, is less than valve pocket in two pulling claw outer end spacing when fitting mandril state
Diameter, pulling claw thickness is less than valve pocket lower part fluting height and pulling claw width is less than groove width and pulling claw is made to be inserted into fluting
It is interior.
In this way, after formerly removing valve body upper attachment and exposing valve pocket upper end, this tool can be relied on when valve pocket is dismantled
Realize the extraction of valve pocket.When extraction, first pulling claw arm is collapsed to close to mandril state, by the abutment end of mandril together with pulling claw arm to
Under be sent in valve pocket so that mandril abutment end is connected to body base position below valve pocket installation cavity, then by pulling claw arm to
It is outer to open so that pulling claw is inserted into valve pocket fluting.Then it only need to hold on pulling claw arm upper end and support arm is fixed, rotation top
Bar can rely on being threadedly engaged between mandril and support arm, gradually valve pocket be driven to be lifted out out valve pocket installation cavity steadily.Therefore energy
Enough convenient disassemblies for steadily realizing valve pocket are extracted, and improve removal efficiency, and can be avoided valve pocket to dismantle and destroy by force.
Further, the rotation force side of mandril has a force application rod spliced eye for extending transversely through setting.
Force application rod is inserted into force application rod spliced eye in this way, can be convenient, is then driven in a manner of rotation urging bar
Mandril rotation, more convenient force.
Further, the rotation force side cross section of mandril is the regular polygon with even number of sides.
In this way, can be convenient by the way of spanner clamping or box spanner socket, mandril force is made by spanner
It is rotated, more convenient force.
Further, the mandril abutment end is provided with an abutting seat, and mandrel ends are rotatably mounted by bearing
It is abutting in seat, is abutting seat lower end surface and form bearing surface.
It is connected to body base position below valve pocket installation cavity by bearing surface is fixed in this way, abutting seat, when rotating mandril,
It abuts seat to be kept fixed and can suffer damage to avoid valve body, while reducing mandril rotational resistance, more convenient realization disassembly is extracted.
Further, it abuts seat lower end and is fixedly installed one layer for improving the friction material of frictional force.
In this way, can be further improved frictional force, prevents mandril rotation from driving and abut seat rotation.
Further, pulling claw upper surface is provided with stria tooth line.
In this way, can prevent from opening because of pulling claw in valve pocket when lifting by stria tooth line when holding fluting force by pulling claw
It skids on slot and skids off fluting, valve sleeving inner wall is caused to damage.
Further, pulling claw arm upper end two sides have the trunnion upwardly extended that is symmetrical set, and trunnion is by support arm end
Portion's sandwiched opens up hinged axis hole in the inner, on trunnion and pulling claw arm is hingedly mounted on support arm by perforative articulated shaft.
In this way, facilitating installation and being conducive to stress balance.
Further, pulling claw arm upper end is on boom position, the direction opposite along two pulling claw arms respectively through setting
Have an adjusting screw hole, two adjusting screw holes be located at same level and its in be equipped with an adjusting screw rod, adjust spiral shell
Bar is greater than valve pocket upper port to pulling claw distance and slots distance to lower part, and symmetrical two sections of external screw threads and respectively are provided on adjusting screw rod
From cooperation in an adjusting screw hole, a Duan Yanshen is extended after passing through corresponding adjusting screw hole in adjusting screw rod one end horizontally outward
Section is simultaneously provided with handle in outer end.
In this way, one can drive adjusting screw rod rotation by swing handle, and then drives and realize two pulling claw arm foldings
Reliable control avoid scratching set after opening so that pulling claw arm can be reliably held at closed configuration in tool insertion process
Cylinder inner wall, controllable pulling claw arm is opened after pulling claw arm is transferred in place, is enabled pulling claw to reliably insert lower cartridge and is opened
In slot, while after pulling claw insertion fluting, during lifting, will not generate pulling claw arm and skid to collapse causes pulling claw to skid off damage
The phenomenon that hurting valve sleeving inner wall.Two, can be motionless by holding on handle during rotating mandril, more convenient guarantee
Valve pocket with mandril synchronous rotary and does not obtain upward lifting force.
Further, pulling claw arm upper end extends outside horizontal cross close to boom position is provided with adjustment means, the tune
Screw hole is saved to be arranged in adjustment means.
In this way, more convenient processing sets up for adjusting screw hole.
Further, a locking nut is also screwed on the extended segment of adjusting screw rod, locking nut is used to adjust spiral shell
After bar is adjusted in place, adjusting screw rod is locked, guarantees the stability of pulling claw arm folding control, guarantees pulling claw arm during extraction valve pocket
Expanded angle is fixed locked, and avoiding skidding causes pulling claw to skid off and destroy valve sleeving inner wall.
Further, mandril lower end sets close to the abutting seat of abutment end and is additionally provided with one section of resigning section, resigning segment length
Greater than screw thread hole depth in the middle part of support arm, resigning section diameter is less than external thread section diameter on mandril and connects with external thread section, so that
Support arm, which can rotate, to be dropped into resigning section；It further include slide bar sleeve, slide bar sleeve diameter is greater than mandril maximum outside diameter, jack rod sleeve
Sliding sleeve is equipped with a weight on cylinder, and slide bar sleeve end positions are each provided with a limit circle for preventing weight from skidding off
Platform, weight both ends are each provided with a force conductive block, and force conductive block is internally provided with a circle away from the outer end of weight can
The recessing groove that limit round table is included in.
It is because valve pocket is before disassembly is extracted, the state often blocked in clamping in this way, directly disassembly needs larger
Strength is just able to rotate mandril, or causes mandril that can not rotate because stuck.Therefore after adding above-mentioned heavy hammer structure.It is protruded into pulling claw arm
Sleeve and control pulling claw arm be unfolded so that pulling claw be inserted into sleeve fluting after, pulling claw is first connected to downwards to slotted lower portion side
On, then keep pulling claw arm is motionless mandril is rotated upwardly to support arm to drop into resigning section, support arm abuts against joint chair limit and prevents
Mandril skids off, but at this time between mandril and support arm there is no being threadedly engaged in the state that do not stress, is then inserted in slide bar sleeve
To outside mandril, so that the limit round table of slide bar sleeve one end and support arm are affixed, then keeping slide bar sleeve is vertical state, is used
Weight beats support arm from top to bottom, and the downward power of the weight is transmitted to sleeve by support arm, so that sleeve is produced relative to valve body
Raw downward displacement loosens, and then removes slide bar sleeve, and mandril is screwed in support arm and is threaded to lower end abutting seat and valve pocket installation cavity
Lower section body base is fixed to abut；It is motionless that adjusting screw rod is maintained by handle again, rotates mandril, i.e., so that valve pocket is not with mandril
Synchronous rotary simultaneously realizes upward promotion by with being threadedly engaged for mandril, until valve pocket takes out upwards.In this manner it is possible to by
Sleeve is beaten in weight realization, and in favor of extracting after loosening it, while the realization beaten is convenient and efficient reliable and beats
The screw thread of mandril will not be caused to damage when beating, it is fast reliable to guarantee that valve pocket extracts colleges and universities.
The invention also discloses a kind of valve cover drainage valve valve pockets to dismantle extracting method, which is characterized in that including following step
It is rapid:
A first obtains blowdown valve valve pocket extracting tool as described above；
When b valve pocket is dismantled, first removes valve body upper attachment and expose valve pocket upper end；Work is extracted using above-mentioned blowdown valve valve pocket again
Tool is collapsed to pulling claw arm close to mandril state by rotation adjusting screw rod, and rotation mandril adjusts boom position, so that mandril supports
End is connect to slot to the valve pocket of pulling claw distance and measured in advance to body base position consistency, by the abutment end of mandril together with pulling claw arm
It is fed down into valve pocket；
For c after mandril abutment end and body base contact, pulling claw is automatically aligned to slotting position at this time, is rotated further by adjusting screw rod and makes
Pulling claw arm opens and pulling claw is inserted into corresponding fluting；
D is rotated further by mandril and pulling claw is connected to downwards on slotted lower portion side, then keeps that pulling claw arm is motionless revolves mandril upwards
Support arm is gone to drop into resigning section, support arm abut against joint chair limit prevent mandril from skidding off, at this time between mandril and support arm there is no
It is threadedly engaged in the state that do not stress；
Then slide bar sleeve is nested into outside mandril by e, so that the limit round table of slide bar sleeve one end and support arm are affixed, then keep
Slide bar sleeve is vertical state, beats support arm from top to bottom using weight, the downward power of the weight is transmitted to set by support arm
Cylinder loosens so that sleeve generates downward displacement relative to valve body；
Then f removes slide bar sleeve, mandril is screwed in support arm and is threaded to body base below lower end abutting seat and valve pocket installation cavity
It is fixed to abut；It is motionless that adjusting screw rod is maintained by handle again, continues to rotate down mandril, it can be by between mandril and support arm
Be threadedly engaged, gradually drive valve pocket be lifted out out valve pocket installation cavity steadily.
In conclusion the present invention can facilitate the valve pocket disassembly for realizing valve cover drainage valve, valve pocket disassembly can be improved
Efficiency simultaneously avoids valve pocket because of damage caused by dismantling by force.
Detailed description of the invention
Fig. 1 is the structural representation that blowdown valve valve pocket extracting tool of the present invention and its valve pocket dismantle extracting method preferred embodiment
Figure.
Fig. 2 is the perspective view of Fig. 1.
Fig. 3 is the structural schematic diagram after removing slide bar sleeve in the tool of Fig. 1.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing.
Preferred embodiment: as shown in Figure 1-3, a kind of blowdown valve valve pocket extracting tool and its valve pocket dismantle extracting method,
In, in vertical mandril 1 when including a use, 1 lower end of mandril is abutment end, and upper end is rotation force side, is arranged on mandril 1
There is external screw thread and a support arm 2 is installed, the vertically arranged threaded hole in the middle part of support arm 2 and mandril are screwed on cooperation, and 2 two sides of support arm are respectively
It is hinged with the pulling claw arm 3 an of strip, pulling claw arm 3 is whole to be extended towards mandril abutting extreme direction, and 3 length of pulling claw arm is big
In valve pocket depth, the end of the nearly mandril abutment end of pulling claw arm rest, which extends outwardly, is provided with pulling claw 4, and pulling claw arm 3 is collapsed in fitting top
Two pulling claw outer end spacing are less than valve pocket diameter when bar state, and 4 thickness of pulling claw is less than valve pocket lower part fluting height and pulling claw width is small
In groove width pulling claw is inserted into fluting.
In this way, after formerly removing valve body upper attachment and exposing valve pocket upper end, this tool can be relied on when valve pocket is dismantled
Realize the extraction of valve pocket.When extraction, first pulling claw arm is collapsed to close to mandril state, by the abutment end of mandril together with pulling claw arm to
Under be sent in valve pocket so that mandril abutment end is connected to body base position below valve pocket installation cavity, then by pulling claw arm to
It is outer to open so that pulling claw is inserted into valve pocket fluting.Then it only need to hold on pulling claw arm upper end and support arm is fixed, rotation top
Bar can rely on being threadedly engaged between mandril and support arm, gradually valve pocket be driven to be lifted out out valve pocket installation cavity steadily.Therefore energy
Enough convenient disassemblies for steadily realizing valve pocket are extracted, and improve removal efficiency, and can be avoided valve pocket to dismantle and destroy by force.
Wherein, the rotation force side of mandril 1 has a force application rod spliced eye 5 for extending transversely through setting.
Force application rod is inserted into force application rod spliced eye in this way, can be convenient, is then driven in a manner of rotation urging bar
Mandril rotation, more convenient force.
Wherein, the rotation force side cross section of mandril 1 is the regular polygon with even number of sides.
In this way, can be convenient by the way of spanner clamping or box spanner socket, mandril force is made by spanner
It is rotated, more convenient force.
Wherein, the mandril abutment end is provided with an abutting seat 6, and 1 end of mandril is installed in rotation on by bearing
It abuts in seat 6, abuts seat lower end surface and form bearing surface.
It is connected to body base position below valve pocket installation cavity by bearing surface is fixed in this way, abutting seat, when rotating mandril,
It abuts seat to be kept fixed and can suffer damage to avoid valve body, while reducing mandril rotational resistance, more convenient realization disassembly is extracted.
Wherein, it abuts 6 lower end of seat and is fixedly installed one layer for improving the friction material of frictional force.
In this way, can be further improved frictional force, prevents mandril rotation from driving and abut seat rotation.
Wherein, 4 upper surface of pulling claw is provided with stria tooth line.
In this way, can prevent from opening because of pulling claw in valve pocket when lifting by stria tooth line when holding fluting force by pulling claw
It skids on slot and skids off fluting, valve sleeving inner wall is caused to damage.
Wherein, 3 upper end two sides of pulling claw arm have the trunnion upwardly extended that is symmetrical set, and trunnion is by 2 end of support arm
Sandwiched opens up hinged axis hole in the inner, on trunnion and pulling claw arm is hingedly mounted on support arm by perforative articulated shaft.
In this way, facilitating installation and being conducive to stress balance.
Wherein, 3 upper end of pulling claw arm is respectively provided through one on boom position, the direction opposite along two pulling claw arms
A adjusting screw hole, two adjusting screw holes be located at same level and its in be equipped with an adjusting screw rod 7, adjusting screw rod 7
It is greater than valve pocket upper port to pulling claw distance to slot distance to lower part, symmetrical two sections of external screw threads and respectively is provided on adjusting screw rod 7
From cooperation in an adjusting screw hole, a Duan Yanshen is extended after passing through corresponding adjusting screw hole in adjusting screw rod one end horizontally outward
Section is simultaneously provided with handle 8 in outer end.
In this way, one can drive adjusting screw rod rotation by swing handle, and then drives and realize two pulling claw arm foldings
Reliable control avoid scratching set after opening so that pulling claw arm can be reliably held at closed configuration in tool insertion process
Cylinder inner wall, controllable pulling claw arm is opened after pulling claw arm is transferred in place, is enabled pulling claw to reliably insert lower cartridge and is opened
In slot, while after pulling claw insertion fluting, during lifting, will not generate pulling claw arm and skid to collapse causes pulling claw to skid off damage
The phenomenon that hurting valve sleeving inner wall.Two, can be motionless by holding on handle during rotating mandril, more convenient guarantee
Valve pocket with mandril synchronous rotary and does not obtain upward lifting force.
Wherein, 3 upper end of pulling claw arm extends outside horizontal cross close to boom position is provided with adjustment means 9, the adjusting
Screw hole is arranged in adjustment means 9.
In this way, more convenient processing sets up for adjusting screw hole.
Wherein, it adjusts and is also screwed with a locking nut 10 on the extended segment of 7 bar of spiral shell, locking nut is used in adjusting screw rod
After adjusting in place, adjusting screw rod is locked, guarantees the stability of pulling claw arm folding control, guarantees pulling claw arm exhibition during extraction valve pocket
Angle of release degree is fixed locked, and avoiding skidding causes pulling claw to skid off and destroy valve sleeving inner wall.
Wherein, 1 lower end of mandril is set close to the abutting seat of abutment end is additionally provided with one section of resigning section 11,11 length of resigning section
Greater than screw thread hole depth in the middle part of support arm, resigning section diameter is less than external thread section diameter on mandril and connects with external thread section, so that
Support arm, which can rotate, to be dropped into resigning section；It further include slide bar sleeve 12,12 internal diameter of slide bar sleeve is greater than mandril maximum outside diameter, sliding
Sliding sleeve is equipped with a weight 13 on rod sleeve, and 12 end positions of slide bar sleeve are each provided with one for preventing weight from skidding off
Limit round table 14,13 both ends of weight are each provided with a force conductive block 15, and force conductive block 15 is away from the inside of the outer end of weight
It is provided with the recessing groove that limit round table 14 can be included in by a circle.
It is because valve pocket is before disassembly is extracted, the state often blocked in clamping in this way, directly disassembly needs larger
Strength is just able to rotate mandril, or causes mandril that can not rotate because stuck.Therefore after adding above-mentioned heavy hammer structure.It is protruded into pulling claw arm
Sleeve and control pulling claw arm be unfolded so that pulling claw be inserted into sleeve fluting after, pulling claw is first connected to downwards to slotted lower portion side
On, then keep pulling claw arm is motionless mandril is rotated upwardly to support arm to drop into resigning section, support arm abuts against joint chair limit and prevents
Mandril skids off, but at this time between mandril and support arm there is no being threadedly engaged in the state that do not stress, is then inserted in slide bar sleeve
To outside mandril, so that the limit round table of slide bar sleeve one end and support arm are affixed, then keeping slide bar sleeve is vertical state, is used
Weight beats support arm from top to bottom, and the downward power of the weight is transmitted to sleeve by support arm, so that sleeve is produced relative to valve body
Raw downward displacement loosens, and then removes slide bar sleeve, and mandril is screwed in support arm and is threaded to lower end abutting seat and valve pocket installation cavity
Lower section body base is fixed to abut；It is motionless that adjusting screw rod is maintained by handle again, rotates mandril, i.e., so that valve pocket is not with mandril
Synchronous rotary simultaneously realizes upward promotion by with being threadedly engaged for mandril, until valve pocket takes out upwards.In this manner it is possible to by
Sleeve is beaten in weight realization, and in favor of extracting after loosening it, while the realization beaten is convenient and efficient reliable and beats
The screw thread of mandril will not be caused to damage when beating, it is fast reliable to guarantee that valve pocket extracts colleges and universities.
The invention also discloses a kind of valve cover drainage valve valve pockets to dismantle extracting method, comprising the following steps:
A first obtains blowdown valve valve pocket extracting tool as described above；
When b valve pocket is dismantled, first removes valve body upper attachment and expose valve pocket upper end；Work is extracted using above-mentioned blowdown valve valve pocket again
Tool is collapsed to pulling claw arm close to mandril state by rotation adjusting screw rod, and rotation mandril adjusts boom position, so that mandril supports
End is connect to slot to the valve pocket of pulling claw distance and measured in advance to body base position consistency, by the abutment end of mandril together with pulling claw arm
It is fed down into valve pocket；
For c after mandril abutment end and body base contact, pulling claw is automatically aligned to slotting position at this time, is rotated further by adjusting screw rod and makes
Pulling claw arm opens and pulling claw is inserted into corresponding fluting；
D is rotated further by mandril and pulling claw is connected to downwards on slotted lower portion side, then keeps that pulling claw arm is motionless revolves mandril upwards
Support arm is gone to drop into resigning section, support arm abut against joint chair limit prevent mandril from skidding off, at this time between mandril and support arm there is no
It is threadedly engaged in the state that do not stress；
Then slide bar sleeve is nested into outside mandril by e, so that the limit round table of slide bar sleeve one end and support arm are affixed, then keep
Slide bar sleeve is vertical state, beats support arm from top to bottom using weight, the downward power of the weight is transmitted to set by support arm
Cylinder loosens so that sleeve generates downward displacement relative to valve body；
Then f removes slide bar sleeve, mandril is screwed in support arm and is threaded to body base below lower end abutting seat and valve pocket installation cavity
It is fixed to abut；It is motionless that adjusting screw rod is maintained by handle again, continues to rotate down mandril, it can be by between mandril and support arm
Be threadedly engaged, gradually drive valve pocket be lifted out out valve pocket installation cavity steadily.
In conclusion the present invention can facilitate the valve pocket disassembly for realizing valve cover drainage valve, valve pocket disassembly can be improved
Efficiency simultaneously avoids valve pocket because of damage caused by dismantling by force.
Claims (10)
1. a kind of blowdown valve valve pocket extracting tool, which is characterized in that in vertical mandril when including a use, mandril lower end is
Abutment end, upper end are rotation force side, are provided with external screw thread on mandril and are equipped with a support arm, vertically arranged spiral shell in the middle part of support arm
Pit and mandril are screwed on cooperation, and support arm two sides are respectively hinged with the pulling claw arm an of strip, and pulling claw arm is integrally supported towards mandril
It connects extreme direction to be extended, pulling claw arm lengths are greater than valve pocket depth, and the end of the nearly mandril abutment end of pulling claw arm rest, which extends outwardly, to be set
It is equipped with pulling claw, pulling claw arm, which is collapsed, is less than valve pocket diameter in two pulling claw outer end spacing when fitting mandril state, and pulling claw thickness is less than valve
Set lower part fluting height and pulling claw width are less than groove width and pulling claw are inserted into fluting.
2. blowdown valve valve pocket extracting tool according to claim 1, it is characterised in that: the rotation force side of mandril has cross
To a force application rod spliced eye through setting.
3. blowdown valve valve pocket extracting tool according to claim 2, it is characterised in that: the rotation force side cross section of mandril
For the regular polygon with even number of sides.
4. blowdown valve valve pocket extracting tool according to claim 2, it is characterised in that: the mandril abutment end is provided with one
A abutting seat, mandrel ends are installed in rotation on by bearing and abut in seat, abut seat lower end surface and form bearing surface.
5. blowdown valve valve pocket extracting tool according to claim 4, it is characterised in that: pulling claw upper surface is provided with stria tooth
Line.
6. blowdown valve valve pocket extracting tool according to claim 5, it is characterised in that: pulling claw arm upper end two sides have left and right
Arm end sandwiched is opened up hinged axis hole in the inner, on trunnion and by passing through by the symmetrically arranged trunnion upwardly extended, trunnion
Pulling claw arm is hingedly mounted on support arm by the articulated shaft worn.
7. blowdown valve valve pocket extracting tool according to claim 5, it is characterised in that: pulling claw arm upper end is close to support arm position
It sets, an adjusting screw hole is respectively provided through on the direction opposite along two pulling claw arms, two adjusting screw holes are located at same water
Plane and its in be equipped with an adjusting screw rod, adjusting screw rod to pulling claw distance be greater than valve pocket upper port to lower part slot away from
From being provided with symmetrical two sections of external screw threads on adjusting screw rod and be respectively fitted in an adjusting screw hole, adjusting screw rod one end is worn
Extend one section of extended segment horizontally outward after crossing corresponding adjusting screw hole and outer end is provided with handle.
8. blowdown valve valve pocket extracting tool according to claim 7, it is characterised in that: pulling claw arm upper end is close to boom position
Extend outside horizontal cross and be provided with adjustment means, the adjusting screw hole is arranged in adjustment means.
9. blowdown valve valve pocket extracting tool according to claim 7, it is characterised in that: also revolved on the extended segment of adjusting screw rod
It is connected to a locking nut；
Mandril lower end is set close to the abutting seat of abutment end is additionally provided with one section of resigning section, and resigning segment length is greater than spiral shell in the middle part of support arm
Pit depth, resigning section diameter are less than external thread section diameter on mandril and connect with external thread section, support arm is rotated and is fallen
Enter into resigning section；It further include slide bar sleeve, slide bar sleeve diameter is greater than mandril maximum outside diameter, and sliding sleeve is equipped on slide bar sleeve
One weight, slide bar sleeve end positions are each provided with a limit round table for preventing weight from skidding off, and weight both ends are respectively set
It is equipped with a force conductive block, force conductive block is internally provided with what limit round table can be included in by a circle away from the outer end of weight
Recessing groove.
10. a kind of valve cover drainage valve valve pocket dismantles extracting method, which comprises the following steps:
A first obtains blowdown valve valve pocket extracting tool as claimed in claim 9；
When b valve pocket is dismantled, first removes valve body upper attachment and expose valve pocket upper end；Work is extracted using above-mentioned blowdown valve valve pocket again
Tool is collapsed to pulling claw arm close to mandril state by rotation adjusting screw rod, and rotation mandril adjusts boom position, so that mandril supports
End is connect to slot to the valve pocket of pulling claw distance and measured in advance to body base position consistency, by the abutment end of mandril together with pulling claw arm
It is fed down into valve pocket；
For c after mandril abutment end and body base contact, pulling claw is automatically aligned to slotting position at this time, is rotated further by adjusting screw rod and makes
Pulling claw arm opens and pulling claw is inserted into corresponding fluting；
D is rotated further by mandril and pulling claw is connected to downwards on slotted lower portion side, then keeps that pulling claw arm is motionless revolves mandril upwards
Support arm is gone to drop into resigning section, support arm abut against joint chair limit prevent mandril from skidding off, at this time between mandril and support arm there is no
It is threadedly engaged in the state that do not stress；
Then slide bar sleeve is nested into outside mandril by e, so that the limit round table of slide bar sleeve one end and support arm are affixed, then keep
Slide bar sleeve is vertical state, beats support arm from top to bottom using weight, the downward power of the weight is transmitted to set by support arm
Cylinder loosens so that sleeve generates downward displacement relative to valve body；
Then f removes slide bar sleeve, mandril is screwed in support arm and is threaded to body base below lower end abutting seat and valve pocket installation cavity
It is fixed to abut；It is motionless that adjusting screw rod is maintained by handle again, continues to rotate down mandril, it can be by between mandril and support arm
Be threadedly engaged, gradually drive valve pocket be lifted out out valve pocket installation cavity steadily.
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| CN201910209865.1A CN109848916B (en) | 2019-03-22 | 2019-03-22 | Blow-down valve sleeve extraction tool and valve sleeve disassembly and extraction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910209865.1A CN109848916B (en) | 2019-03-22 | 2019-03-22 | Blow-down valve sleeve extraction tool and valve sleeve disassembly and extraction method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN109848916A true CN109848916A (en) | 2019-06-07 |
| CN109848916B CN109848916B (en) | 2024-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910209865.1A Active CN109848916B (en) | 2019-03-22 | 2019-03-22 | Blow-down valve sleeve extraction tool and valve sleeve disassembly and extraction method thereof |
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| CN (1) | CN109848916B (en) |
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| CN110625555A (en) * | 2019-09-23 | 2019-12-31 | 中石化川气东送天然气管道有限公司 | Tool special for pollution discharge operation of pollution discharge nozzle |
| CN111469090A (en) * | 2020-05-19 | 2020-07-31 | 上海三一重机股份有限公司 | Shaft sleeve dismounting device |
| CN112140050A (en) * | 2019-06-26 | 2020-12-29 | 中核检修有限公司 | Valve seat dismounting tool |
| CN112160490A (en) * | 2020-09-23 | 2021-01-01 | 张家港中环海陆高端装备股份有限公司 | Hearth refractory brick assembly |
| CN113134807A (en) * | 2021-03-27 | 2021-07-20 | 山东新巨龙能源有限责任公司 | Special tool for disassembling hydraulic support operating valve and working method |
| CN113352275A (en) * | 2021-06-24 | 2021-09-07 | 一汽解放汽车有限公司 | Disassembly tool for engine cylinder sleeve |
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