CN114147456B - Online dismouting device of ultra-low temperature upper assembling type ball valve seat part - Google Patents

Online dismouting device of ultra-low temperature upper assembling type ball valve seat part Download PDF

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Publication number
CN114147456B
CN114147456B CN202111432791.1A CN202111432791A CN114147456B CN 114147456 B CN114147456 B CN 114147456B CN 202111432791 A CN202111432791 A CN 202111432791A CN 114147456 B CN114147456 B CN 114147456B
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China
Prior art keywords
valve seat
assembly
vertical
fixing plate
seat
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CN202111432791.1A
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CN114147456A (en
Inventor
景欢
李宏伟
李松岭
范贤峰
许波
段大军
吴绪敏
蒋永兵
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Chongqing Chuanyi Control Valve Co Ltd
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Chongqing Chuanyi Control Valve Co Ltd
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Priority to CN202111432791.1A priority Critical patent/CN114147456B/en
Publication of CN114147456A publication Critical patent/CN114147456A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines 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
    • B23P19/02Machines 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 for connecting objects by press fit or for detaching same
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)

Abstract

The invention discloses an on-line dismounting device for an ultralow-temperature top-mounted ball valve seat component, which comprises a mounting seat, a horizontal adjusting component, a vertical plate component and a dismounting component, wherein the mounting seat is provided with a mounting position for fixing the mounting seat on a valve body, the horizontal adjusting component is connected between the vertical plate component and the mounting seat and can drive the vertical plate component to horizontally move, the vertical plate component extends into the valve body through an upper port of the valve body and is connected with the dismounting component, and the dismounting component can pull a valve seat outwards along with the horizontal movement of the vertical plate component so as to dismount the valve seat or press the valve seat inwards so as to mount the valve seat. The online dismounting device is convenient and rapid to install, has the function of installing and dismounting the valve seat, does not need a switching device in the process of dismounting and installing the valve seat, is beneficial to improving the dismounting efficiency, finally realizes the online maintenance function of the ultralow-temperature top-mounted ball valve, shortens the maintenance time of the ultralow-temperature top-mounted ball valve, shortens the shutdown time and reduces the maintenance cost.

Description

Online dismouting device of ultra-low temperature upper assembling type ball valve seat part
Technical Field
The invention relates to the technical field of valves, in particular to an online dismounting device for an ultralow-temperature top-mounted ball valve seat component.
Background
The ultralow temperature ball valve is mainly applied to low temperature working conditions of low temperature storage tanks of liquefied natural gas LNG receiving stations, LNG storage tanks, transportation, air separation devices, low temperature methanol, liquid oxygen, liquid nitrogen and the like and tank cars, and when a medium of the ultralow temperature ball valve is changed from a liquid state to a gaseous state along with the change of temperature, the medium expands rapidly, the pressure rises, and meanwhile, the medium has the characteristics of flammability, explosiveness and the like. According to the requirements of users, the ball valve is of a top-mounted structure which is applied to ultralow temperature devices at present,
in the application process of the upper-mounted low-temperature ball valve, the mounting mode of the valve seat sealing part is a thread rotating type structure, and the valve seat sealing part is used as an important component of the valve, and the quality of the sealing performance of the valve seat sealing part determines the quality of the valve. Under the low temperature operating mode, valve seal part and ball core are easily influenced by the low temperature medium, produce the deformation of not equidimension for appearing the clearance between spare parts such as ball core, disk seat, its sealing performance suffers destruction, and light then causes leaking in the low temperature equipment medium, influences the normal operating of whole set of device, and the heavy hidden danger that explodes then endangers low temperature equipment worker's life safety.
When the sealing part of the valve seat needs to be replaced, the device needs to be stopped, and the valve needs to be maintained offline; resulting in longer maintenance time, longer device downtime, and higher maintenance cost.
Disclosure of Invention
In view of the above, the invention provides an online dismounting device for an ultralow temperature upper-mounted ball valve seat component, which can realize online maintenance of a valve when a valve seat sealing component needs to be replaced; the maintenance time is shortened, the shutdown time of the device is shortened, and the maintenance cost is reduced.
The invention provides an online dismounting device for an ultralow-temperature top-mounted ball valve seat component, which comprises a mounting seat, a horizontal adjusting component, a vertical plate component and a dismounting component, wherein the mounting seat is provided with a mounting position for fixing the mounting seat on a valve body, the horizontal adjusting component is connected between the vertical plate component and the mounting seat and can drive the vertical plate component to horizontally move, the vertical plate component extends into the valve body through an upper port of the valve body and is connected with the dismounting component, and the dismounting component can pull a valve seat outwards along with the horizontal movement of the vertical plate component so as to dismount the valve seat or press the valve seat inwards so as to mount the valve seat.
Further, the disassembly and assembly component comprises a disassembly and assembly block and a pulling assembly piece which are arranged on the vertical plate component, a pulling assembly piece installation position for detachably installing the pulling assembly piece is arranged on the valve seat, a pulling assembly piece installation position for matching with the pulling assembly piece is arranged on the disassembly and assembly block, and a pressing position for pressing the valve seat into the valve seat by abutting against the shaft end of the valve seat is further arranged on the disassembly and assembly block.
Further, the pull-loading part comprises a connecting rod and a pull head, the connecting rod is used for being in threaded connection with the valve seat, the pull head is connected to the end portion of the connecting rod, the pull-loading part is provided with an assembly groove which is arranged on the disassembly and assembly block and used for being clamped with the pull head, and the press-loading position is a press-loading plane arranged on the disassembly and assembly block.
Further, the riser subassembly is including the assistance push pedal that is the door type, two vertical beams of assisting the push pedal extend in the valve body and install the dismouting piece respectively through the last port of valve body, two vertical beams of assisting the push pedal are located the both sides of disk seat axis respectively.
Further, the assembly groove is a T-shaped groove which is vertically arranged on one side, close to the valve seat, of the disassembly and assembly block and is small outside and large inside, a triangular press-fitting portion which protrudes outwards in the horizontal direction is arranged on one side, close to one side of the valve seat, of the disassembly and assembly block, a press-fitting plane is formed on the side face of the disassembly and assembly block, when the disassembly and assembly block pulls the valve seat outwards, the press-fitting portion is located on the radial inner side of the pull-fitting piece assembling position in an installation mode of the disassembly and assembly block, and when the disassembly and assembly block presses the valve seat inwards, the press-fitting portion is located on the radial outer side of the pull-fitting piece assembling position in an installation mode of the disassembly and assembly block.
Further, the mount pad is including being used for installing horizontal fixed plate on the disk seat, lower vertical fixed plate on horizontal fixed plate and installing the horizontal guide bar on vertical fixed plate and riser subassembly down, vertical fixed plate extends in the valve body through the last port of valve body, horizontal guide bar is located the valve body, riser subassembly and/or vertical fixed plate down cooperate with horizontal guide bar with horizontal slip's mode.
Further, the mounting seat still includes vertical fixed plate, go up vertical fixed plate fixed connection and upwards extend on horizontal fixed plate, horizontal adjustment subassembly sets up between vertical fixed plate and riser subassembly on.
Furthermore, the horizontal fixing plate is supported at the upper port of the valve seat, and the horizontal fixing plate is in threaded fastening connection with at least two threaded holes at the upper port of the valve seat.
Further, lower vertical fixed plate is door type structure, two of lower vertical fixed plate found the roof beam and extend in the valve body and just right with two of assisting the push pedal found the roof beam axial respectively through the last port of valve body, the upright roof beam of lower vertical fixed plate is provided with at least one horizontal guide bar rather than the level just right between the upright roof beam of assisting the push pedal.
The invention has the beneficial effects that:
the online dismounting device is convenient and quick to install, only involves the matching with the valve seat in the whole dismounting process, and cannot damage other parts in the ultralow temperature top-mounted ball valve; and the device has the effect of installation and dismantlement disk seat, through need not to switch dismouting device at the in-process of dismantling with the installation disk seat, does benefit to and improves dismouting efficiency, finally realizes the online maintenance function of ultra-low temperature upper assembling type ball valve, shortens ultra-low temperature upper assembling type ball valve maintenance time, shortens down time, reduces cost of maintenance.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a partially enlarged schematic view of FIG. 1;
FIG. 3 is a schematic view of a press-fitting structure;
FIG. 4 is a schematic view of a detachable block structure;
FIG. 5 is a schematic top view of the structure of FIG. 4;
FIG. 6 is a schematic structural view showing a disassembled and press-fitted state;
FIG. 7 is a schematic view of an auxiliary push plate structure;
Detailed Description
The embodiment provides an online dismouting device of ultra-low temperature upper assembling type ball valve seat part, including mount pad 10, horizontal adjustment subassembly 20, riser subassembly 30 and dismouting subassembly 40, have the installation position that makes mount pad 10 be fixed in on the valve body on the mount pad 10, horizontal adjustment subassembly is connected between riser subassembly 30 and mount pad 10 and can drive riser subassembly 30 horizontal migration, riser subassembly 30 extends in the valve body and is connected with dismouting subassembly 40 through the last port of valve body, dismouting subassembly 40 can outwards stimulate the disk seat with dismantling the disk seat or inwards impress the disk seat with the installation disk seat along with riser subassembly 30 horizontal migration.
The structure is matched with an upper-mounted low-temperature ball valve for use, when online maintenance is carried out, a valve cover, a valve rod and a valve core are detached, so that an opening at the upper end of a valve body is exposed, an installation seat is installed on the valve body, and a horizontal adjusting assembly 20 can be adjusted in a hydraulic adjusting mode, a linear motor adjusting mode or a lead screw nut adjusting mode; the mounting position of the mounting seat is used for being fixedly connected with the valve body, the form of the mounting position is set based on the specific structure of the valve body, and the mounting position can be a mounting hole formed in the mounting seat or other known connecting structures; as shown in fig. 1, when the dismounting assembly 40 moves to the right along with the vertical plate assembly 30, the dismounting assembly 40 is used for pulling out an old valve seat from the valve body to complete dismounting, when the dismounting assembly 40 moves to the left along with the vertical plate assembly 30, the dismounting assembly 40 is used for pressing a replaced valve seat into the valve body to complete assembling, the dismounting assembly 40 has the functions of pulling the valve seat and pressing the valve seat, when the valve seat is pressed, the dismounting assembly 40 horizontally abuts against the right end face of the valve seat, when the valve seat is pulled out, the dismounting assembly 40 and the valve seat are required to have a fastening connection relationship, and the fastening connection relationship can be realized in a threaded connection or clamping connection manner;
the device is convenient and quick to install, only involves the matching with the valve seat in the whole dismounting process, and cannot damage other parts in the ultralow temperature upper-mounted ball valve; and the device has the effect of installation and dismantlement disk seat, through need not to switch dismouting device at the in-process of dismantling with the installation disk seat, does benefit to and improves dismouting efficiency, finally realizes the online maintenance function of ultra-low temperature upper assembling type ball valve, shortens ultra-low temperature upper assembling type ball valve maintenance time, shortens down time, reduces cost of maintenance.
In this embodiment, the dismounting assembly 40 includes a dismounting block 41 and a pulling-fitting member 42 mounted on the vertical plate assembly, the valve seat has a pulling-fitting member mounting position for detachably mounting the pulling-fitting member, the dismounting block has a pulling-fitting member mounting position 43 for cooperating with the pulling-fitting member, and the dismounting block is further provided with a press-fitting position 44 for pressing the valve seat into the valve seat by abutting against the shaft end of the valve seat. By additionally arranging the pulling piece 42 and additionally arranging the pulling piece mounting position and the press mounting position 44 on the dismounting block 41, the dismounting block 41 can realize the functions of dismounting and mounting the valve seat, wherein the setting form of the pulling piece mounting position is adaptive to the pulling piece 42, when the pulling piece 42 is in fastening fit with the dismounting block 41 through threaded connection, the pulling piece mounting position can be a threaded hole, and when the pulling piece 42 is in fastening fit with the dismounting block 41 through clamping, the pulling piece mounting position can be a clamping block or other structures adaptive to a clamping structure;
in this embodiment, the pull-fitting member 42 includes a connecting rod 42a for being in threaded connection with the valve seat and a pull head 42b connected to an end of the connecting rod, the pull-fitting member assembling position 43 is an assembling groove opened on the disassembling and assembling block 41 for being clamped with the pull head, and the press-fitting position 44 is a press-fitting plane arranged on the disassembling and assembling block. As shown in fig. 1, the valve seat includes a hard valve seat 52 mounted on the valve body and a soft valve seat 53 mounted on the right end surface of the hard valve seat, wherein the soft valve seat 53 slightly protrudes out of the right end surface of the hard valve seat, a threaded hole is formed in a position of the right end surface of the hard valve seat, which is away from the soft valve seat 53, the threaded hole is reserved for being in threaded fit connection with the connecting rod 42a, the left end of the connecting rod 42a is in threaded connection with the threaded hole through a threaded section, and the pulling member 42 axially extends out of the valve seat rightwards, so that the pulling head 42b is exposed out of the right side of the valve seat and is convenient to be in snap fit with the assembly groove; when the valve seat needs to be pressed, the pulling and installing part 42 is detached, so that the pressing and installing position 44 is directly pressed on the right end face of the soft valve seat 53; when the valve seat is dismounted, the valve seat is connected with the hard valve seat, the reliable connection with the valve seat is ensured, the situation that the assembly of the soft valve seat and the hard valve seat is not influenced by tensile force can be avoided, and when the valve seat is pressed, the pressing position 44 is directly pressed on the soft valve seat 53, so that the dismounting block 41 does not need to avoid the soft valve seat, and the spatial layout of the dismounting block 41 is convenient.
In this embodiment, the vertical plate assembly 30 includes the door-shaped auxiliary push plate 31, two vertical beams of the auxiliary push plate 31 extend into the valve body through the upper port of the valve body and are respectively provided with the dismounting blocks 41, and the two vertical beams of the auxiliary push plate 31 are respectively located on two sides of the axis of the valve seat. As shown in fig. 7, the auxiliary pushing plate 31 is of a door-shaped structure, and the two vertical beams are respectively matched with two sides of the valve seat, and can act on the horizontal radial positions of two sides of the valve seat through the two dismounting blocks 41, so that the stress during dismounting of the valve seat can be improved, the valve seat is prevented from being clamped with a valve body due to stress deflection, and the valve seat can be dismounted conveniently.
In this embodiment, the assembly groove is vertically set up in dismouting piece 41 and is close to valve seat one side and be the big-end-up's T-shaped groove in outer little, the pressure equipment portion 45 that is the triangle-shaped that lies in assembly groove level one side on dismouting piece 41 and has the level outside bulge, the side that pressure equipment portion is close to valve seat one side forms the pressure equipment plane, when dismouting piece 41 outwards stimulates the valve seat, the mounting means of dismouting piece 41 makes pressure equipment portion 45 be located the radial inboard of drawing dress piece dress position 43, when dismouting piece 41 inwards presses the valve seat, the mounting means of dismouting piece 41 makes pressure equipment portion 45 be located the radial outside of drawing dress piece dress position 43. The radial direction is based on the valve seat, and the two disassembly and assembly blocks 41 are horizontally arranged on two radial sides of the central line of the valve seat in the embodiment; the slider 42b is of a round head structure, and as shown in fig. 4 and 5, the assembly groove is a through groove vertically formed in the dismounting block 41, so that the slider 42b can be vertically inserted into the assembly groove, and the pulling part 42 and the dismounting block 41 form a fastening fit in the horizontal direction, and in the process of moving the auxiliary push plate 31 to the right, even if the auxiliary push plate 31 is vertically displaced, the slider 42b can vertically and adaptively slide relative to the assembly groove without damaging the valve seat; the threaded hole is opened on dismouting piece 41 top and is used for installing on assisting push pedal 31, state A shown in fig. 6, when dismouting piece 41 level outwards stimulates the disk seat, two pressure equipment portion 45 radially set up the radial inboard that is located the disk seat relatively, be convenient for this moment with draw the cooperation of dress piece 42, and can not make pressure equipment portion 45 interfere with soft valve seat, state B shown in fig. 5, when dismouting piece 41 level inwards impresses the disk seat, change the mounted position of two dismouting pieces 41, two pressure equipment portion 45 radial back to the setting and be located the radial outside of disk seat this moment, be convenient for with the cooperation of pressure equipment portion 45 with soft valve seat.
In this embodiment, the mounting seat 10 includes a horizontal fixing plate 11 for being mounted on the valve seat, a lower vertical fixing plate 12 fixedly connected to the horizontal fixing plate, and a horizontal guide rod 13 mounted on the lower vertical fixing plate 12 and the vertical plate assembly 30, the vertical fixing plate 12 extends into the valve body through an upper port of the valve body, the horizontal guide rod 13 is located in the valve body, and the vertical plate assembly 30 and/or the lower vertical fixing plate 12 are matched with the horizontal guide rod 13 in a horizontal sliding manner. The vertical plate assembly 30 and/or the lower vertical fixing plate 12 can be selected alternatively or completely; the horizontal guide rod 13 can be horizontally slidably mounted on the lower vertical fixing plate 12 or directly fixedly mounted on the lower vertical fixing plate 12, in the embodiment, an assembly hole is formed in the lower vertical fixing plate 12, a guide sleeve is fixedly mounted in the assembly hole, the guide sleeve is made of copper, the horizontal guide rod 13 is horizontally slidably sleeved in the guide sleeve to reduce friction, and the left end of the horizontal guide rod 13 is in threaded connection with the auxiliary push plate 31 through a threaded section; the horizontal sliding precision of the vertical plate assembly 30 is improved through the arrangement of the horizontal guide rod 13, so that the stress deflection condition of the valve seat can be improved, and the dismounting and pressing efficiency is improved.
In this embodiment, the mounting base 10 further includes an upper vertical fixing plate 14, the upper vertical fixing plate 14 is fixedly connected to the horizontal fixing plate 11 and extends upward, and the horizontal adjusting assembly 20 is disposed between the upper vertical fixing plate 14 and the vertical plate assembly 30. The horizontal adjusting assembly 20 is arranged between the upper vertical fixing plate 14 and the beam of the auxiliary push plate 31, the horizontal adjusting assembly is of a screw-nut pair structure, the beam of the auxiliary push plate 31 is provided with a threaded hole for being in transmission fit with a screw, the screw is rotatably installed on the upper vertical fixing plate 14 in a matching manner, and the screw can be directly driven by a motor; in this embodiment, the horizontal adjustment assembly 20 comprises a set of power conversion device of a worm gear and a worm, so that the valve seat sealing part can be disassembled and assembled by using a small moment; the upper vertical fixing plate 14 is arranged to install the horizontal adjusting assembly 20 above the valve body, so that the adjusting operation of the opposite plate assembly 30 is facilitated.
In this embodiment, the horizontal fixing plate 11 is supported at the upper port of the valve seat, and the horizontal fixing plate 11 is in threaded fastening connection with at least two threaded holes at the upper port of the valve seat. Generally speaking, the upper port of the valve seat has at least four threaded holes, and in this embodiment, two threaded holes on the right side are selected, and the horizontal fixing plate 11 is connected to the valve seat through two bolts, and the structure facilitates the installation of the installation seat 10 by using the structure of the valve seat.
In this embodiment, the lower vertical fixing plate 12 is a door-shaped structure, two vertical beams of the lower vertical fixing plate 12 extend into the valve body through the upper port of the valve body and are respectively aligned with two vertical beam axes of the auxiliary push plate 31, and at least one horizontal guide rod 13 is arranged between the vertical beam of the lower vertical fixing plate 12 and the vertical beam of the auxiliary push plate 31 aligned with the vertical beam. Corresponding to the door type structure of assisting push pedal 31, lower vertical fixation plate 12 also is door type structure, wherein the crossbeam of lower vertical fixation plate 12 passes through bolt fixed connection in the left side border department of horizontal fixation plate 11, two of lower vertical fixation plate 12 found the roof beam and found the roof beam axial just right with two of assisting push pedal 31, two guiding holes 32 have been seted up on assisting every perpendicular roof beam of push pedal 31 in order to cooperate with horizontal guide bar 13, every perpendicular roof beam that corresponds can cooperate with two horizontal guide bars 13, horizontal guide bar 13 specifically set up the number and confirm according to actual practical operating mode.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (5)

1. The utility model provides an online dismouting device of ultra-low temperature upper assembling type ball valve seat part which characterized in that: the valve seat assembling and disassembling device comprises an installation seat, a horizontal adjusting assembly, a vertical plate assembly and an assembling and disassembling assembly, wherein the installation seat is provided with an installation position for fixing the installation seat on a valve body, the horizontal adjusting assembly is connected between the vertical plate assembly and the installation seat and can drive the vertical plate assembly to horizontally move, the vertical plate assembly extends into the valve body through an upper port of the valve body and is connected with the assembling and disassembling assembly, and the assembling and disassembling assembly can pull the valve seat outwards along with the horizontal movement of the vertical plate assembly to disassemble the valve seat or press the valve seat inwards to install the valve seat;
the disassembly and assembly component comprises a disassembly and assembly block and a pull-assembly piece which are arranged on the vertical plate component, a pull-assembly piece installation position for detachably installing the pull-assembly piece is arranged on the valve seat, a pull-assembly piece installation position for matching with the pull-assembly piece is arranged on the disassembly and assembly block, and a press-assembly position for pressing the valve seat in by abutting against the shaft end of the valve seat is also arranged on the disassembly and assembly block;
the pull-mounting piece comprises a connecting rod used for being in threaded connection with the valve seat and a pull head connected to the end part of the connecting rod, the pull-mounting piece mounting position is an assembling groove formed in the dismounting block and used for being clamped with the pull head, and the press-mounting position is a press-mounting plane arranged on the dismounting block;
the vertical plate assembly comprises a door-shaped auxiliary push plate, two vertical beams of the auxiliary push plate extend into the valve body through an upper port of the valve body and are respectively provided with a dismounting block, and the two vertical beams of the auxiliary push plate are respectively positioned on two sides of the axis of the valve seat;
the assembling groove is a T-shaped groove which is vertically arranged on one side, close to the valve seat, of the disassembling block and is small outside and large inside, a pressing part which protrudes outwards and is in a triangular shape is arranged on one side, close to one side of the valve seat, of the assembling block, the pressing part forms a pressing plane, when the valve seat is pulled outwards by the disassembling block, the pressing part is located on the radial inner side of the assembling position of the pulling part in an installation mode of the disassembling block, and when the valve seat is pressed inwards by the disassembling block, the pressing part is located on the radial outer side of the assembling position of the pulling part in an installation mode of the disassembling block.
2. The on-line assembling and disassembling apparatus for ultra-low temperature top-loading ball valve seat parts as claimed in claim 1, wherein: the mounting seat comprises a horizontal fixing plate, a lower vertical fixing plate and a horizontal guide rod, wherein the horizontal fixing plate is used for being mounted on the valve seat, the lower vertical fixing plate is fixedly connected onto the horizontal fixing plate, the horizontal guide rod is mounted on the lower vertical fixing plate and the vertical plate assembly, the lower vertical fixing plate extends into the valve body through an upper port of the valve body, the horizontal guide rod is located in the valve body, and the vertical plate assembly and/or the lower vertical fixing plate are matched with the horizontal guide rod in a horizontal sliding mode.
3. The on-line assembling and disassembling apparatus for ultra-low temperature top-loading ball valve seat parts as claimed in claim 2, characterized in that: the mounting seat further comprises an upper vertical fixing plate, the upper vertical fixing plate is fixedly connected to the horizontal fixing plate and extends upwards, and the horizontal adjusting assembly is arranged between the upper vertical fixing plate and the vertical plate assembly.
4. The on-line assembling and disassembling device of an ultra-low temperature top-loading type ball valve seat component according to claim 2, characterized in that: the horizontal fixing plate is supported at the upper port of the valve seat, and the horizontal fixing plate is in threaded fastening connection with at least two threaded holes at the upper port of the valve seat.
5. The on-line assembling and disassembling device of an ultra-low temperature top-loading type ball valve seat component according to claim 2, characterized in that: the lower vertical fixing plate is of a door-shaped structure, two vertical beams of the lower vertical fixing plate extend into the valve body through an upper port of the valve body and are respectively aligned with two vertical beam shafts of the auxiliary push plate in the axial direction, and at least one horizontal guide rod is arranged between the vertical beam of the lower vertical fixing plate and the vertical beam of the auxiliary push plate aligned with the vertical beam.
CN202111432791.1A 2021-11-29 2021-11-29 Online dismouting device of ultra-low temperature upper assembling type ball valve seat part Active CN114147456B (en)

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Application Number Priority Date Filing Date Title
CN202111432791.1A CN114147456B (en) 2021-11-29 2021-11-29 Online dismouting device of ultra-low temperature upper assembling type ball valve seat part

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Application Number Priority Date Filing Date Title
CN202111432791.1A CN114147456B (en) 2021-11-29 2021-11-29 Online dismouting device of ultra-low temperature upper assembling type ball valve seat part

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CN114147456A CN114147456A (en) 2022-03-08
CN114147456B true CN114147456B (en) 2023-01-31

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Publication number Priority date Publication date Assignee Title
EP2718598A4 (en) * 2011-06-08 2015-03-18 Bray Int Inc In-line repairable metal seated floating ball valve
CN206054792U (en) * 2016-08-31 2017-03-29 福建中海油应急抢维修有限责任公司 A kind of ORBIT single valve seats orbit ball valve valve seat removes and installs instrument
CN107932429A (en) * 2016-10-12 2018-04-20 中核苏阀科技实业股份有限公司 The online erecting device of upper-mounting type ball valve valve seat
CN109340397A (en) * 2018-12-07 2019-02-15 重庆川仪调节阀有限公司 Upper dress formula ultra-low temperature ball valve
CN112140050A (en) * 2019-06-26 2020-12-29 中核检修有限公司 Valve seat dismounting tool
CN210132460U (en) * 2019-07-12 2020-03-10 惠州大亚湾远大石化机械有限公司 Track ball valve assembly and disassembly tools
CN213080639U (en) * 2020-09-16 2021-04-30 湖南有色黄沙坪矿业有限公司 Mine car wheel pair dismounting and maintaining equipment
CN113601458B (en) * 2021-08-09 2022-09-20 凯喜姆阀门有限公司 Mounting method and dismounting method of fixed ball valve seat

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