CN104084931A - Ball valve installing and dismantling tool and method - Google Patents
Ball valve installing and dismantling tool and method Download PDFInfo
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- CN104084931A CN104084931A CN201410320877.9A CN201410320877A CN104084931A CN 104084931 A CN104084931 A CN 104084931A CN 201410320877 A CN201410320877 A CN 201410320877A CN 104084931 A CN104084931 A CN 104084931A
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- fixator
- spring base
- ball valve
- whirligig
- screw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/24—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves
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Abstract
The invention provides a ball valve installing and dismantling tool which comprises a tensioning device used for tensioning a fixer (3) and a stretching device used for stretching a spring seat (5) open, wherein the tensioning device and the stretching device cooperate to achieve opposite movement of the spring seat (5) and the fixer (3), the tensioning device comprises a rotating device (30), a screw (12) and a movable part (11), and the movable part (11) is connected with the fixer (3) through a second matching structure; the stretching device comprises a power device (60), an ejector rod (15) and an abutting part (14), one end of the abutting part (14) is connected with the ejector rod (15), and the other end of the abutting part abuts against the spring seat (5). The ball valve installing and dismantling tool can save labor, is convenient to use and can be used online. In addition, the invention provides a ball valve installing and dismantling method.
Description
Technical field
The present invention relates to a kind of ball valve dismounting frock and installation, method for dismounting, belong to valve installation technical field.
Background technology
Ball valve is reliable owing to having sealing, and feature simple in structure, easy to maintenance, becomes one of widely used valve.It is few that the relatively side-mounted ball valve of upper-mounting type ball valve has outer leak source, pipe stress affects the advantages such as less to it, at present, upper-mounting type ball valve is used in LNG pipeline in a large number, LNG transports the place such as ship and receiving station, and therefore numerous domestic valve manufacturer has all dropped into a large amount of human and material resources and financial resources are studied upper-mounting type ball valve.
As shown in Figure 1, a kind of upper-mounting type ball valve of applicant research mainly comprise have round cavity valve body 1, be placed in the spheroid 2 in valve body, the fixator 3 being tightly connected by the second seal 6 and spheroid 2, and be arranged on the spring base 5 between described valve body 1 and fixator.When installation, the parts such as the first seal 7, spring 8, spring base 5, fixator 3, the second seal 6, spheroid 2 are all to pack into from the upper flange of valve body, when dismounting and change, also need above-mentioned part to take out from the upper flange of valve body, but heavy caliber, high pound level valve, its part specifications is large, quality heavy, initial tension of spring is high, only cannot realize completely by hand assembled.In such cases, must realize valve dismounting object by online dismounting frock.
In assembling process, first the first seal 7, spring 8, spring base 5, fixator 3, the second seal 6, spheroid 2 are put into valve, as shown in Figure 2; In order to make the second seal 6 be adjacent to spheroid 2 surfaces, just must between spring base 5 and fixator 3, put into fastening device 4.And in order to produce the space that can put into fastening device 4, when just spring base 5 need to being pushed to two outsides, fixator 3 is strained to two inner sides, as shown in Figure 3, then fastening device 4 is placed into the assembling that has just completed ball valve in the space that fixator 3 and spring base 5 form.
Chinese patent literature CN201552548U discloses a kind of heavy caliber top dress ball valve dismantlement tool, above comprising, establishes the location-plate that has two locating holes, establishes the location-plate that adjusting is vertically passed, and establishes upper and lower two sections of external thread sections that rotation direction is contrary on the adjusting rod of below; Two external thread sections are equipped with respectively upper hinge, lower hinge empty in the screw thread that is meshed outward; Each hinge both sides are all connected with two of both sides jacking block respectively by two transverse links; And jacking block place is provided with positive stop lug boss; On upper hinge, plane is fixed two vertical axis of guides, and protrudes upward through location-plate perforate.By jacking block by extrapolated valve seat bracing ring certain distance, thereby make spheroid have sufficient space to put into and take out to realize the function of installation, dismounting, but this frock can only provide the thrust toward two ends, and this instrument is connected through the hinge, while applying larger thrust, there is the danger of damage at hinge place, has very large use limitation.And in when dismounting because connecting rod and the valve seat bracing ring direction of motion are at an angle, therefore use inconvenience, require great effort very much.
Summary of the invention
For this reason, technical problem to be solved by this invention is to overcome the mounting tool of ball valve in prior art cannot realize the function of straining simultaneously and strutting, and in use not only required great effort but also had the problem of damaging risk, thereby provide a kind of safe, labour-saving, easy to use and can realize the ball valve dismounting frock of the online use of straining simultaneously and strut function.
Another technical problem that the present invention will solve is to overcome the mounting tool of ball valve in prior art cannot realize the function of straining simultaneously and promoting, and in use not only required great effort but also had the problem of damaging risk, thereby provide a kind of safe, labour-saving, easy to use and can realize the installation method of the ball valve dismounting frock of the online use of straining simultaneously and strut function.
Another technical problem that the present invention will solve is to overcome the mounting tool of ball valve in prior art cannot realize the function of straining simultaneously and promoting, and in use not only required great effort but also had the problem of damaging risk, thereby provide a kind of safe, labour-saving, easy to use and can realize the method for dismounting of the ball valve dismounting frock of the online use of straining simultaneously and strut function.
For this reason, the invention provides a kind of ball valve dismounting frock, comprise: for take-up device and the device for spreading that struts the described spring base that spring is installed of tensioning fixator, described take-up device and described device for spreading coordinate the opposing motion that realizes described spring base and described fixator, described take-up device comprises whirligig, be connected with described whirligig and driven by described whirligig and the screw rod that rotates, and the motion portion coordinating by the first fit structure with described screw rod, described motion portion is connected with described fixator by the second fit structure, described motion portion drives described fixator away from described spring base under the driving rotatablely moving of described screw rod, the push rod that described device for spreading comprises power set, is connected and driven by described power set with described power set, and butting section, one end of described butting section is connected with described push rod, the other end and spring base against, described butting section drives described spring base away from described fixator under the driving of described push rod.
Described the first fit structure comprises the screw being arranged in described motion portion, and is arranged on described screw flight, and described screw rod arranges described in threaded partial insertion in screw and described screw threaded engagement.
Described whirligig comprises the body of rod that forms the cylindrical shell of some through holes and can insert in described through hole and drive cylindrical shell to rotate, and described cylindrical shell is connected by the 3rd fit structure with described screw rod.
Described the 3rd fit structure comprise described screw rod squared ends, be molded over cylindrical outstanding in described squared ends, and be arranged on described cylindrical shell end hold described squared ends and described cylindrical outstanding groove, described cylindrical protrusion coordinates with described groove clamping.
Described motion portion is circular arc block.
Described butting section is circular arc block.
Described power set are included as that described push rod provides the hydraulic cylinder of driving force and to the hydraulic stem that hydraulic pressure is provided in described hydraulic cylinder.
Described screw rod is two, oppositely conllinear setting between two described screw rods, the screw thread rotation opposite direction on two described screw rods.
In addition, a kind of upper dress ball valve installation method that uses above-mentioned dismounting frock of the present invention, comprises the following steps:
S1: the first seal, spring, spring base, fixator, the second seal, spheroid are put into valve;
S2: by described the second fit structure, described motion portion is fixed on fixator, by the 3rd fit structure, screw rod and whirligig is fixed, and the described spring base that spring is installed is aimed in described butting section;
S3: start whirligig and carry out drive screw rotation, and drive motion portion and with described motion portion fixing fixator away from described spring base; Meanwhile start power set and drive the push rod being connected with butting section, described fixator is during away from described spring base, and spring base is tightly withstood in described butting section, makes to form installing space between spring base and fixator;
S4: fastening device is placed in installing space, makes the second seal compress spheroid;
S5: the thrust that the tightening force that unloading whirligig forms and power set form, take out dismounting frock, complete the installation of dress ball valve.
Meanwhile, a kind of upper dress ball valve method for dismounting that uses above-mentioned dismounting frock of the present invention, comprises the following steps:
S1: by described the second fit structure, described motion portion is fixed on fixator, by the 3rd fit structure, screw rod and whirligig is fixed, and described spring base is aimed in described butting section;
S2: start whirligig and carry out drive screw rotation, and drive motion portion and with described motion portion fixing fixator away from described spring base; Meanwhile start power set and drive the push rod being connected with butting section, described fixator is during away from described spring base, and spring base is tightly withstood in described butting section, and unloading fixator and the active force of spring base to fastening device take out fastening device;
S3: the thrust that the tightening force that unloading whirligig forms and power set form, take out dismounting frock;
S4: spheroid, the second seal, fixator, spring base, spring, the first seal are taken out in valve, complete the dismounting of dress ball valve.
Technique scheme of the present invention has the following advantages compared to existing technology:
1. ball valve dismounting frock of the present invention, by being provided for the take-up device and the device for spreading that struts described spring base of tensioning fixator, realize the opposing motion of described spring base and described fixator, thereby between spring base and fixator, strut the installing space for fastening device is installed, ball valve dismounting frock can be used online, do not need ball valve to take off from pipeline.By two self-contained units of take-up device and device for spreading are set, thereby in installation and removal process, take-up device and device for spreading can stagger upper and lower along round cavity in valve body that certain angle places, to realize the dismounting that realizes ball valve in the inner work in narrow space of ball valve.And dismounting frock of the present invention, is converted into rotatablely moving of screw rod by whirligig the motion of the tensioning fixator of motion portion, when operation, only need to, at the outside direct control whirligig of valve body, not need to go deep into valve inner and operate, very convenient; What is more important, in operation whirligig process, the butting section of described device for spreading is resisted against on spring base, can not make spring base and fixator move along same direction, and then draw a motion pushing away to realize the opposing motion of spring base and fixator by one, whole process is very reliable, and saves manpower.
2. ball valve dismounting frock of the present invention, described the first fit structure comprises the screw being arranged in described motion portion, and be arranged on described screw flight, described screw rod arranges described in threaded partial insertion in screw and described screw threaded engagement, in the time of operation, carry out drive screw rotation by whirligig, because screw rod and motion portion are thread matching structure, rotatablely moving of screw rod is converted into the horizontal movement of motion portion immediately, in the horizontal movement of motion portion, can realize the tension for fixator, simple in structure, and be very suitable for valve inner and install and dismantle the narrow and small feature of time space.
3. ball valve dismounting frock of the present invention, coordinates with the clamping of cylindrical protrusions by groove, makes screw rod be connected with cylindrical shell easily and to separate, the installation and removal of easy disassembly frock in valve body; And, due to both clamping matching relationships, screw rod can together be moved with cylindrical shell, therefore, whirligig can be arranged on cylindrical shell, both ensure the driving of whirligig for screw rod, multiple screw rods can be set again on cylindrical shell, for the screw drive of Suresh Kumar provides possibility.In addition, multiple through holes are set on described cylindrical shell, therefore, the body of rod can operate by inserting in different through holes, facilitates screw rod drive the operation of cylindrical shell rotation in narrow and small valve inner space and can also realize multi-faceted tension.
4. ball valve dismounting frock of the present invention, circular arc block is arranged to in motion portion and/or butting section can increase and the contact area of fixator and/or spring base, makes dismounting frock stable in use.
5. ball valve dismounting frock of the present invention, described screw rod is two, two reverse conllinear settings of described screw rod, the screw thread rotation opposite direction on two described screw rods.Two described screw rods are installed by cylindrical shell, in practical operation, the body of rod is inserted in the through hole of cylindrical shell, be set on the contrary by the screw thread rotation direction on two screw rods, once drive and can realize two reverse tensions, both overcome the motion problems in the same way of two screw rods, improved again tension efficiency.Especially in ball valve dismounting, spheroid and valve body form annular dismounting space, two screw rods are radially reversed driving along annular dismounting space, can strain the fixator on both sides simultaneously, make both sides stressed even in tension process, keep the stability of fixator, avoid tension motion to cause the skew of fixator.
6. ball valve dismounting frock of the present invention, described power set are set to hydraulic means, can provide larger driving force by hydraulic means, and can be by controlling the displacement of Stroke Control spring base.
7. ball valve dismounting frock of the present invention, realize the installation and removal of ball valve by the cooperation of take-up device and device for spreading, in installation and removal process, the motion separately of take-up device and device for spreading is in the same way,, no matter, in installation process or in unloading process, fixator is all tightened up, and spring base is all softened, thereby in operation, be not easy to cause maloperation; And installation and removal are used a set of frock just can realize, and design very ingenious.
8. ball valve installation method of the present invention and ball valve method for dismounting, owing to using above-mentioned ball valve dismounting frock, thereby possesses the advantage described in above-mentioned any one.
Brief description of the drawings
Fig. 1 is a kind of ball valve body structure common in prior art;
Fig. 2 is that valve body structure shown in Fig. 1 is inserted the cut-away view after spheroid when mounted;
Fig. 3 is the tensioning fixator strut spring base to form the cut-away view while putting into fastening device space when mounted of valve body structure shown in Fig. 1;
Fig. 4 is the front view of ball valve dismounting frock of the present invention;
Fig. 5 is schematic diagram when take-up device is connected with fixator in ball valve dismounting frock of the present invention.
In figure: 1-valve body, 2-spheroid, 3-fixator, 4-fastening device, 5-spring base, 6-the second seal, 7-the first seal, 8-spring, 11-motion portion, 12-screw rod, 30-whirligig, the 31-body of rod, 32-cylindrical shell, 14-butting section, 15-push rod, 60-power set, 61-hydraulic cylinder, 62-hydraulic stem.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of ball valve dismounting frock provided by the invention is described in further detail.
Embodiment 1
The present embodiment provides a kind of ball valve dismounting frock, as shown in Figure 4, comprise: for take-up device and the device for spreading that struts described spring base 5 of tensioning fixator 3, described take-up device and described device for spreading coordinate the opposing motion that realizes described spring base 5 and described fixator 3
The screw rod 12 that described take-up device comprises whirligig 30, is connected with described whirligig 30 and driven by described whirligig 30 and rotates, and the motion portion 11 coordinating by the first fit structure with described screw rod 12, described motion portion 11 is connected with described fixator 3 by the second fit structure, and described motion portion 11 drives described fixator 3 away from described spring base 5 under the driving rotatablely moving of described screw rod 12;
The push rod 15 that described device for spreading comprises power set 60, is connected and driven by described power set 60 with described power set 60, and butting section 14, one end of described butting section 14 is connected with described push rod 15, the other end and spring base 5 against, described butting section 14 drives described spring base 5 away from described fixator 3 under the driving of described push rod 15.
While using the ball valve dismounting frock dismounting ball valve of the present embodiment, can use online, not need ball valve to take off from pipeline.Only need screw rod 12 is fixing with whirligig 30 and fixator 3, and described spring base 5 is aimed in described butting section 14, start whirligig 30 tensioning fixators 3, and start power set 60 and strut spring base 5 and make to form certain installing space between fixator 3 and spring base 5.The ball valve dismounting tool structure of the present embodiment is simple, saves manpower, and very easy to use.Take-up device and device for spreading are two self-contained units, in installation and removal process, take-up device and device for spreading can stagger upper and lower along round cavity in valve body that certain angle places, to realize the dismounting that realizes ball valve in the inner work in narrow space of ball valve.And the dismounting frock of the present embodiment, is converted into rotatablely moving of screw rod 12 by whirligig 30 motion of the tensioning fixator 3 of motion portion 11, when operation, only need to, at the outside direct control whirligig 30 of valve body, not need to go deep into valve inner and operate, very convenient; What is more important, in operation whirligig 30 processes, the butting section 14 of described device for spreading is resisted against on spring base 5, can not make spring base 5 and fixator 3 move along same direction, and then draw a motion pushing away to realize the opposing motion of spring base 5 and fixator 3 by one, whole process is very reliable, and saves manpower.
The ball valve dismounting frock of the present embodiment, described the first fit structure comprises the screw being arranged in described motion portion 11, and is arranged on the screw thread of described screw rod 12, described screw rod 12 arranges described in threaded partial insertion in screw and described screw threaded engagement.In the time of installation or removal ball valve, in the time that screw rod 12 rotates under the drive of whirligig 30, on screw rod 12, screw thread coordinates with screw, makes screw rod 12 precession inwards, and drives fixator 3 to moving away from the direction of described spring base 5.After installation or removal ball valve, need to dismantle the ball valve dismounting frock of the present embodiment time, restart whirligig 30 opposite spins, screw rod 12 is outwards screwed out, thereby the tightening force of unloading to fixator 3, carrying out drive screw 12 by whirligig 30 rotates, because screw rod 12 and motion portion 11 are thread matching structure, rotatablely moving of screw rod 12 is converted into the horizontal movement of motion portion 11 immediately, in 11 horizontal movements of motion portion, can realize the tension for fixator 3, this take-up device is simple in structure, and be very suitable for valve inner and install and dismantle the narrow and small feature of time space.
The ball valve dismounting frock of the present embodiment, described whirligig 30 comprises the body of rod 31 that forms the cylindrical shell 32 of some through holes and can insert in described through hole and drive cylindrical shell 32 to rotate, described cylindrical shell 32 is connected by the 3rd fit structure with described screw rod 12, on described cylindrical shell 32, multiple through holes are set, therefore, the body of rod can operate by inserting in different through holes, facilitates screw rod 12 drive the operation that cylindrical shell 32 rotates in narrow and small valve inner space and can also realize multi-faceted tension.
The ball valve dismounting frock of the present embodiment, described the 3rd fit structure comprise described screw rod 12 squared ends, be molded over cylindrical outstanding in described squared ends, and be arranged on described cylinder 32 ends hold described squared ends and shown in the groove of cylindrical protrusion, described cylindrical protrusion coordinates with described groove clamping.Coordinate by groove clamping, make screw rod 12 be connected with cylindrical shell 32 easily and to separate the installation and removal of easy disassembly frock in valve body.
The ball valve dismounting frock of the present embodiment, described motion portion 11 is circular arc block.Described butting section 14 is circular arc block.Circular arc block is arranged to in motion portion 11 and/or butting section 14 can increase and the contact area of fixator and/or spring base, makes dismounting frock stable in use.
The ball valve dismounting frock of the present embodiment, described power set 60 are included as that described push rod 15 provides the hydraulic cylinder 61 of driving force and to the hydraulic stem 62 that hydraulic pressure is provided in described hydraulic cylinder 61.Can provide larger driving force by hydraulic cylinder 61, and can be by controlling the displacement of Stroke Control spring base 5.
The ball valve dismounting frock of the present embodiment, described screw rod 12 is two, the reverse conllinear setting of two described screw rods 12, the screw thread rotation opposite direction on two described screw rods 12.As shown in Figure 4, two screw rods 12 are fixed on cylindrical shell 32 both sides, on each screw rod 12, by the first fit structure, described motion portion 12 is set, be set on the contrary by the screw thread rotation direction on two screw rods 12, once drive and can realize two reverse tensions, both overcome the motion in the same way of two screw rods, improved again tension efficiency.Especially in ball valve dismounting, spheroid 2 and valve body 1 form annular dismounting space, two screw rods 12 are radially reversed driving along annular dismounting space, can strain the fixator 3 on both sides simultaneously, improve tension efficiency, and, make both sides stressed even in tension process, keep the stability of fixator 3, avoid tension motion to cause the skew of fixator 3.
Embodiment 2
The present embodiment provides the upper dress ball valve installation method of dismounting frock described in a kind of embodiment of use 1, comprises the following steps:
S1: the first seal 7, spring 8, spring base 5, fixator 3, the second seal 6, spheroid 2 are put into valve, install according to the state shown in Fig. 2;
S2: described motion portion 11 is fixed on fixator 3 by described the second fit structure, as shown in Figure 5, by the 3rd fit structure, screw rod 12 is fixing with whirligig 30, and described spring base 5 is aimed in described butting section 14, take-up device fixator 3 is fixedly connected with, such as being connected by screw, device for spreading and spring base 5 lean, and complete the installation of dismounting frock; Dismounting frock it is pointed out that now take-up device and device for spreading can stagger upper and lower along round cavity in valve body that certain angle places, so that can realize in the inner work in narrow space of ball valve the installation of ball valve described in embodiment 1;
S3: start whirligig 13 and carry out drive screw 12 and rotate, and drive motion portion 11 and with described motion portion 11 fixing fixator 3 away from described spring base 5; Meanwhile start power set 60 and drive the push rod 15 being connected with butting section 14, described fixator 3 is during away from described spring base 5, and spring base 5 is tightly withstood in described butting section 14, makes to form installing space between spring base 5 and fixator 3, as shown in Figure 3;
S4: fastening device 4 is placed in installing space, by the effect of fastening device 4, makes the second seal 6 compress spheroid 2, realize sealing effectiveness;
S5: by whirligig 30 and power set 60 reverse startings, the thrust that the tightening force that unloading whirligig 30 forms and power set 60 form, takes out dismounting frock, completes the installation of ball valve, obtains upper dress ball valve as shown in Figure 1.
Embodiment 3
The present embodiment provides the upper dress ball valve method for dismounting of dismounting frock described in a kind of embodiment of use 1, and mounted upper dress ball valve as shown in Figure 1, comprises the following steps:
S1: described motion portion 11 is fixed on fixator 3 by described the second fit structure, as shown in Figure 5, by the 3rd fit structure, screw rod 12 is fixing with whirligig 30, and described spring base 5 is aimed in described butting section 14, take-up device is fixedly connected with fixator 3, such as being connected by screw, device for spreading and spring base 5 lean, and complete the installation of dismounting frock;
S2: start whirligig 30 and carry out drive screw 12 and rotate, and drive motion portion 11 and with described motion portion 11 fixing fixator 3 away from described spring base 5; Meanwhile start power set 60 and drive the push rod 15 being connected with butting section 14, described fixator 3 is during away from described spring base 5, spring base 5 is tightly withstood in described butting section 14, to unload fixator 3 and the active force of spring base 5 to fastening device 4, takes out fastening device 4; Dismounting frock it is pointed out that now take-up device and device for spreading can stagger upper and lower along round cavity in valve body that certain angle places, so that can realize in the inner work in narrow space of ball valve the dismounting of ball valve described in embodiment 1;
S3: by whirligig 30 and power set 60 reverse startings, the thrust that the tightening force that unloading whirligig 30 forms and power set 60 form, removes take-up device to be connected with fixator 3, takes out dismounting frock;
S4: spheroid 2, the second seal 6, fixator 3, spring base 5, spring 8, the first seal 7 are taken out in valve, complete the dismounting to valve body.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And the apparent variation of being extended out thus or variation are still among the protection domain in the invention.
Claims (10)
1. a ball valve dismounting frock, comprise: for take-up device and the device for spreading that struts the spring base (5) that spring (8) are installed of tensioning fixator (3), described take-up device and described device for spreading coordinate the opposing motion that realizes described spring base (5) and described fixator (3), it is characterized in that
Described take-up device comprises whirligig (30), is connected with described whirligig (30) and driven and the screw rod (12) of rotation by described whirligig (30), and the motion portion (11) coordinating by the first fit structure with described screw rod (12), described motion portion (11) is connected with described fixator (3) by the second fit structure, drives described fixator (3) away from described spring base (5) under the driving that described motion portion (11) rotatablely moves at described screw rod (12);
The push rod (15) that described device for spreading comprises power set (60), is connected and driven by described power set (60) with described power set (60), and butting section (14), one end of described butting section (14) is connected with described push rod (15), the other end and spring base (5) against, described butting section (14) drive described spring base (5) away from described fixator (3) under the driving of described push rod (15).
2. ball valve dismounting frock according to claim 1, it is characterized in that, described the first fit structure comprises the screw being arranged in described motion portion (11), and being arranged on the screw thread of described screw rod (12), described screw rod (12) arranges described in threaded partial insertion in screw and described screw threaded engagement.
3. ball valve dismounting frock according to claim 1 and 2, it is characterized in that, described whirligig (30) comprises the body of rod (31) that forms the cylindrical shell (32) of some through holes and can insert in described through hole and drive cylindrical shell (32) to rotate, and described cylindrical shell (32) is connected by the 3rd fit structure with described screw rod (12).
4. ball valve dismounting frock according to claim 3, it is characterized in that, described the 3rd fit structure comprise described screw rod (12) squared ends, be molded over cylindrical outstanding in described squared ends, and be arranged on described cylindrical shell (32) end hold described squared ends and described cylindrical outstanding groove, described cylindrical protrusion coordinates with described groove clamping.
5. according to the ball valve dismounting frock described in any one in claim 1-3, it is characterized in that, described motion portion (11) is circular arc block.
6. ball valve dismounting frock according to claim 5, is characterized in that, described butting section (14) are circular arc block.
7. according to the arbitrary described ball valve dismounting frock of claim 1-6, it is characterized in that, described power set (60) are included as that described push rod (15) provides the hydraulic cylinder (61) of driving force and to the hydraulic stem (62) that hydraulic pressure is provided in described hydraulic cylinder (61).
8. according to arbitrary described ball valve dismounting frock in claim 2-7, it is characterized in that, described screw rod (12) is two, oppositely conllinear setting of two described screw rods (12), the screw thread rotation opposite direction on two described screw rods (12).
Use as arbitrary in claim 1-8 as described in the upper dress ball valve installation method of dismounting frock, comprise the following steps:
S1: the first seal (7), spring (8), spring base (5), fixator (3), the second seal (6), spheroid (2) are put into valve;
S2: described motion portion (11) is fixed on fixator (3) by described the second fit structure, by the 3rd fit structure, screw rod (12) and whirligig (30) are fixed, and described butting section (14) are aimed to the described spring base (5) that spring (8) is installed;
S3: start whirligig (30) and carry out drive screw (12) rotation, and drive motion portion (11) and with described motion portion (11) fixing fixator (3) away from described spring base (5); Meanwhile start power set (60) and drive the push rod (15) being connected with butting section (14), described fixator (3) is during away from described spring base (5), spring base (5) is tightly withstood in described butting section (14), makes to form installing space between spring base (5) and fixator (3);
S4: fastening device (4) is placed in installing space, makes the second seal (6) compress spheroid (2);
S5: the thrust that the tightening force that unloading whirligig (30) forms and power set (60) form, take out dismounting frock, complete the installation of dress ball valve.
Use as arbitrary in claim 1-8 as described in the upper dress ball valve method for dismounting of dismounting frock, comprise the following steps:
S1: described motion portion (11) is fixed on fixator (3) by described the second fit structure, by the 3rd fit structure, screw rod (12) and whirligig (30) are fixed, and described butting section (14) are aimed to described spring base (5);
S2: start whirligig (30) and carry out drive screw (12) rotation, and drive motion portion (11) and with described motion portion (11) fixing fixator (3) away from described spring base (5); Meanwhile start power set (60) and drive the push rod (15) being connected with butting section (14), described fixator (3) is during away from described spring base (5), spring base (5) is tightly withstood in described butting section (14), unloading fixator (3) and the active force of spring base (5) to fastening device (4), take out fastening device (4);
S3: the thrust that the tightening force that unloading whirligig (30) forms and power set (60) form, take out dismounting frock;
S4: spheroid (2), the second seal (6), fixator (3), spring base (5), spring (8), the first seal (7) are taken out in valve, complete the dismounting of dress ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410320877.9A CN104084931B (en) | 2014-07-07 | 2014-07-07 | A kind of ball valve dismounting frock and installation, method for dismounting |
Applications Claiming Priority (1)
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455530A (en) * | 2014-11-25 | 2015-03-25 | 天津百利展发集团有限公司 | Valve seat combination structure easy and convenient to maintain |
| CN106694985A (en) * | 2016-12-10 | 2017-05-24 | 中国石油天然气集团公司 | Device for combining and splitting split cutting machine |
| CN107932430A (en) * | 2016-10-12 | 2018-04-20 | 中核苏阀科技实业股份有限公司 | The online provision for disengagement of upper-mounting type ball valve valve seat |
| CN108972054A (en) * | 2018-08-09 | 2018-12-11 | 柳州市钜嘉机械有限公司 | A kind of frock clamp convenient for quick-replaceable tooling |
| CN109128649A (en) * | 2018-10-10 | 2019-01-04 | 福州鑫洋机械制造有限公司 | A kind of fixation device for pump case welding |
| CN109333040A (en) * | 2018-12-04 | 2019-02-15 | 浙江欧菲石油设备有限公司 | A kind of upper-mounting type ball valve installing and dismounting device |
| CN110026939A (en) * | 2019-04-03 | 2019-07-19 | 宁波恒元精工管阀科技有限公司 | The self centring assembly tooling of ball valve and technique |
| CN114789426A (en) * | 2022-04-29 | 2022-07-26 | 江苏神通阀门股份有限公司 | Method for assembling internal parts of top-mounted fixed ball valve |
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| CN85105195A (en) * | 1985-05-16 | 1987-08-19 | 日本球阀株式会社 | Top pack into ball valve and installation clamp device thereof |
| JPH06320441A (en) * | 1993-05-19 | 1994-11-22 | Suzuki Motor Corp | Cotter installing device |
| CN2193794Y (en) * | 1994-01-07 | 1995-04-05 | 吕瑞康 | Pliers for mounting or demounting springs |
| CN2843778Y (en) * | 2005-10-18 | 2006-12-06 | 大庆油田有限责任公司 | Scissors-type opener for replacing gate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455530A (en) * | 2014-11-25 | 2015-03-25 | 天津百利展发集团有限公司 | Valve seat combination structure easy and convenient to maintain |
| CN107932430A (en) * | 2016-10-12 | 2018-04-20 | 中核苏阀科技实业股份有限公司 | The online provision for disengagement of upper-mounting type ball valve valve seat |
| CN106694985A (en) * | 2016-12-10 | 2017-05-24 | 中国石油天然气集团公司 | Device for combining and splitting split cutting machine |
| CN108972054A (en) * | 2018-08-09 | 2018-12-11 | 柳州市钜嘉机械有限公司 | A kind of frock clamp convenient for quick-replaceable tooling |
| CN109128649A (en) * | 2018-10-10 | 2019-01-04 | 福州鑫洋机械制造有限公司 | A kind of fixation device for pump case welding |
| CN109333040A (en) * | 2018-12-04 | 2019-02-15 | 浙江欧菲石油设备有限公司 | A kind of upper-mounting type ball valve installing and dismounting device |
| CN110026939A (en) * | 2019-04-03 | 2019-07-19 | 宁波恒元精工管阀科技有限公司 | The self centring assembly tooling of ball valve and technique |
| CN114789426A (en) * | 2022-04-29 | 2022-07-26 | 江苏神通阀门股份有限公司 | Method for assembling internal parts of top-mounted fixed ball valve |
| CN114789426B (en) * | 2022-04-29 | 2024-01-23 | 江苏神通阀门股份有限公司 | Assembling method for parts inside upper-mounted fixed ball valve |
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