CN113967895A - Small-caliber upper-mounted floating ball valve body installation process and special tool thereof - Google Patents
Small-caliber upper-mounted floating ball valve body installation process and special tool thereof Download PDFInfo
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- CN113967895A CN113967895A CN202010714770.8A CN202010714770A CN113967895A CN 113967895 A CN113967895 A CN 113967895A CN 202010714770 A CN202010714770 A CN 202010714770A CN 113967895 A CN113967895 A CN 113967895A
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- 238000011900 installation process Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 4
- 230000001815 facial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 208000020673 hypertrichosis-acromegaloid facial appearance syndrome Diseases 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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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 belongs to an installation process, and particularly relates to an installation process of a small-caliber top-mounted floating ball valve body and a special tool thereof. The utility model provides a special frock of small-bore facial make-up formula floating ball valve spheroid installation, is including the tight frock of cover that expands, sets up pretension spanner and turns to the spanner respectively on the tight frock of cover that expands, and these two spanners are used for pretension and turn to respectively. The invention has the following remarkable effects: through improving the back to spheroid structure, adopt combination mounting tool centre gripping spheroid runner for spheroid runner and disk seat lumen are in under the coaxial state, place spheroid to runner position, utilize the combination tight instrument that expands to make the spheroid around Y axle clockwise rotation 90 after, make the spheroid be in the closed position, and make the spheroid around X axle after certain angle of prerotation, take out the combination tight instrument that expands, adopt special sled stick to sled the spheroid and continue to realize spheroidal installation after X axle to assigned position.
Description
Technical Field
The invention belongs to an installation process, and particularly relates to an installation process of a small-caliber top-mounted floating ball valve body and a special tool thereof.
Background
The small-caliber upper-mounted floating ball valve has the characteristics of rapid opening and closing, reliable sealing, simple structure, small flow resistance and the like, is widely applied to the LNG new energy working condition, and has wide market prospect. In the whole machine assembling process, the valve seat is of a parallel structure and is compressed with the ball body to form an initial specific pressure and other reasons, so that certain technical difficulty is brought to ball body installation, and the whole machine assembly cannot be carried out.
In view of the above situation, how to develop the research on the installation process of the ball body of the small-caliber upper-mounted floating ball valve becomes the first problem in the whole assembly of the valve of the type on the premise that the existing valve cavity has a compact structure and the diameter of the ball body is larger than the crotch distance of the valve seat.
Disclosure of Invention
The invention aims to provide an installation process for overcoming the difficulties that the valve cavity of a small-caliber upper-mounted ball valve body is compact in structure, the diameter of a ball body is larger than the opening crotch distance of a valve seat and the like, so that the requirement of complete machine assembly of the valve is met.
In order to achieve the purpose, the installation process adopts the following technical scheme: the utility model provides a special frock of small-bore facial make-up formula floating ball valve spheroid installation, is including the tight frock of cover that expands, sets up pretension spanner and turns to the spanner respectively on the tight frock of cover that expands, and these two spanners are used for pretension and turn to respectively.
The special tool for installing the small-caliber upper-mounting type floating ball valve ball body is characterized in that the rotation directions of the pre-tightening wrench and the steering wrench are opposite.
The utility model provides a small-bore upper assembling type floating ball valve spheroid installs special frock, wherein, the lower extreme of tight cover frock of expanding for the tight cover that expands, the tight cover that expands is including setting up the conical head at the bottom, at the outer bloated tight end of the outer parcel lamelliform of conical head, should expand tight end bottom and the tight cover fixed connection that expands, and can use the connecting wire of bottom to rotate as the axle, the length of the tight end that expands is L, this length L and the spheroidal inner space length phase-match that will install.
The special tool for installing the small-caliber upper-mounted floating ball valve body is characterized in that an elastic groove is formed above the connecting position of the expansion end and the expansion sleeve on the expansion sleeve tool, and each expansion end corresponds to one elastic groove.
The special tool for installing the small-caliber upper-mounted floating ball valve body is characterized in that a positioning excircle is further arranged on the expansion sleeve, and the positioning excircle is arranged above the expansion end.
The special tool for installing the small-caliber upper-mounted floating ball valve body is characterized in that an outer hexagonal is further arranged on the expansion sleeve tool, a gasket and a nut are sequentially arranged on the outer hexagonal, and a tensioning screw rod is arranged at the center of the nut.
A process for installing a small-caliber upper-mounted floating ball valve body comprises the following steps: through improving the back to spheroid structure, adopt combination mounting tool centre gripping spheroid runner for spheroid runner and disk seat lumen are in under the coaxial state, place spheroid to runner position, utilize the combination tight instrument that expands to make the spheroid around Y axle clockwise rotation 90 after, make the spheroid be in the closed position, and make the spheroid around X axle after certain angle of prerotation, take out the combination tight instrument that expands, adopt special sled stick to sled the spheroid and continue to realize spheroidal installation after X axle to assigned position.
The installation process of the small-caliber top-mounted floating ball valve ball body comprises the steps of installing the expansion end at the lower part of the expansion tool into a ball body channel in the ball body, installing a steering spanner to the outer hexagonal position of the expansion tool respectively, installing the pre-tightening spanner to the nut part of the expansion tool, reversely tightening the pre-tightening spanner and the steering spanner simultaneously, driving a tightening screw to tighten a conical head through a rotating nut, and ensuring that the expansion part is located at the central part of the ball body channel by controlling the length L of the expansion end penetrating into the ball body channel under the taper effect between the conical head and an expansion sleeve because a certain number of elastic grooves are formed at the lower part of the expansion sleeve so that the expansion end is tightly attached to the ball body channel in the ball body to form a whole.
According to the installation process of the small-caliber top-mounted floating ball valve body, the valve seats are respectively installed in the inner cavity of the valve body, meanwhile, the technical requirement that the distance H between the upper flat potential and the lower flat potential of the valve body is smaller than the crotch H of the two valve seats is utilized, the valve body is placed in the inner cavity of the valve body, the locating inner circle of the half locating and the locating outer circle of the expansion tool are matched, and the locating outer circle is matched with the middle cavity of the valve body, so that the valve body is guaranteed to be located at the center of the valve body.
According to the installation process of the small-caliber upper-mounting type floating ball valve body, the steering wrench is pulled to rotate 90 degrees around the Y axis, and the ball body is driven by the expansion tool to rotate 90 degrees around the Y axis, so that the ball body and valve seats on two sides are pre-tightened to form sealing, and the half positioning function is utilized to take out the half positioning;
the outer circle of the expansion sleeve in the expansion tool is pulled, so that the expansion tool and the ball rotate around the X axis at the same time by a certain angle beta, then the expansion tool is loosened, and the expansion tool and the steering wrench are taken out together;
the short end of the pry bar is placed at the position of the spherical channel, and the pry bar is provided with an upper flat potential and a lower flat potential, so that the contact fulcrum is increased when the flat potential and the spherical channel are in full force, and the stable stress is ensured. Through the long end of the spanner crowbar, the spheroid continues to rotate around the X axle to the spheroid on the ball shaft hole expose the valve pocket, then adopts the long end of the crowbar to stretch into on the spheroid simultaneously ball shaft hole and continue to crow moving the spheroid and rotate around the X axle to technical requirement down, can realize spheroidal installation.
The invention has the following remarkable effects: after improving the spheroid structure, adopt combination mounting tool centre gripping spheroid runner for spheroid runner and disk seat lumen are in under the coaxial state, place spheroid to runner position, utilize the combination tight instrument that expands to make the spheroid rotate 90 around the Y axle clockwise after, make the spheroid be in the closed position, and make the spheroid wind certain angle of X axle prerotation after, take out the combination tight instrument that expands, adopt special sled stick to prize
The installation of the ball body can be realized after the ball body continuously winds the X axis to the designated position. Specifically, the method comprises the following steps:
1. the installation process has skillful steps and is easy to operate
The installation process can realize the installation of the ball body only by rotating the ball body for 90 degrees around X, Y circles respectively, and meanwhile, the installation process adopts a special tool with an ingenious structure, so that the overall weight is light, and the installation process is easy for installation personnel to operate.
2. High installation efficiency and low operation strength
After the installation process is adopted, the field operation intensity is greatly reduced, the work efficiency is high, and only 40 seconds are needed for installing a 1-inch sphere.
3. No damage to the valve seat, reliable and stable installation quality
Because in the installation, the rotation of the sphere is rotated by adopting stable circumferential force, unstable shaking cannot be generated to damage the non-metal material of the valve seat, and the installation quality is stable and reliable
Drawings
FIG. 1 is a process diagram of expansion of a sphere
FIG. 2 is a schematic view of a ball expansion step A
FIG. 3 is a view showing a structure of a sphere
FIG. 4 shows the structure of the expansion tool
FIG. 5 shows the process steps before the sphere rotates around the Y-axis
FIG. 6 is a schematic view of the process A before the sphere rotates around the Y axis
FIG. 7 is a drawing showing a half positioning structure
FIG. 8 is a schematic view of a sphere rotating about the Y-axis
FIG. 9 is a schematic view of the process A after the sphere rotates around the Y axis
FIG. 10 is a schematic view of a sphere rotating about the X-axis
FIG. 11 is a schematic view of the process A after the sphere rotates around the X-axis
FIG. 12 is a front view of the crowbar short handle prying the ball around the X-axis
FIG. 13 structure diagram of the crowbar
FIG. 14 is a process diagram of a crowbar short handle prying a ball around an X-axis
FIG. 15 is a process diagram of a long lever of a pry bar prying a ball around an X-axis
In the figure: 1, a sphere; 1-1 sphere channel; 1-2, arranging a ball axle hole; 1-3, a ball lower shaft hole; 1-4 flattening; 1-5 flattening; 2, expanding and tightening a sleeve tool; 2-1 conical head; 2-2, expanding and tightening the sleeve; 2-3 spacers; 2-4 of nuts; 2-5, tensioning the screw rod; 2-6 positioning the excircle; 3 pre-tightening the wrench; 4, a steering spanner; 5, a valve body; 6, valve seats; 7 half positioning; 7-1 positioning the excircle; 7-2 positioning the inner circle; 7-3 Hough parts; 8, a crowbar; 8-1, flat potential; 8-2 downward flattening.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in figures 1, 2, 3 and 4, an expansion end 2-8 at the lower part of an expansion tool 2 is arranged in a sphere channel 1-1 in a sphere 1, then a steering wrench 4 is respectively arranged at the outer hexagon 2-7 position of the expansion tool 2, a pre-tightening wrench 3 is arranged at the nut 2-4 position of the expansion tool 2, then the pre-tightening wrench 3 and the steering wrench 4 are simultaneously and reversely tightened, a tightening screw 2-5 is driven by rotating the nut 2-4 to tighten a conical head 2-1, under the taper effect between the conical head 2-1 and an expansion sleeve 2-2, a certain number of elastic grooves 2-9 are arranged at the lower part of the expansion sleeve 2-2, so that the expansion end 2-8 is tightly attached to the sphere channel 1-1 in the sphere 1 to form a whole, and simultaneously, the length L of the expansion end 2-8 penetrating into the sphere channel 1-1 is controlled, ensuring that the expansion part is positioned at the central part of the spherical channel 1-1, and taking down the pre-tightening wrench 3 after the expansion is finished.
As shown in figures 5, 6 and 7, the valve seats 6 are respectively arranged in the inner cavity of the valve body 5, meanwhile, the distance H between the upper flat potential 1-4 and the lower flat potential 1-5 of the ball body 1 is smaller than the technical requirement that the two valve seats 6 are opened, the ball body is placed in the inner cavity of the valve body 5, the locating inner circle 7-2 of the Haff locating 7 is matched with the locating outer circle 2-6 of the expansion tool 2, and the locating outer circle 7-1 is matched with the middle cavity of the valve body 5, so that the ball body 1 is ensured to be located at the central position of the valve body.
As shown in figures 8 and 9, the turning wrench 4 is turned by 90 degrees around the Y axis, the ball body 1 is also turned by 90 degrees around the Y axis under the driving of the expansion tool 2, so that the ball body 1 and the valve seats 6 on the two sides are ensured to form pre-tightening and sealing, and the half positioning 7 has the function of a half part 7-1 and is taken out.
As shown in fig. 10 and 11, the outer circle of the expansion sleeve 2-2 in the expansion tool 2 is pulled, so that the expansion tool and the sphere 1 rotate around the axis X at the same time by a certain angle β, and then the expansion tool 2 is loosened and taken out together with the steering wrench 4.
As shown in figures 12, 13 and 14, the short end of the pry bar 8 is placed at the position 1-1 of the sphere channel of the sphere 1, and the pry bar 8 is provided with an upper flat potential 8-1 and a lower flat potential 8-2, so that the contact fulcrum is increased when the flat potential and the sphere channel 1-1 are in full force, and the stable stress is ensured. Through 8 long ends of the prying bars of the wrench, the ball body 1 continues to rotate around the X axis until the ball shaft holes 1-2 on the ball body 1 are exposed out of the valve cavity, and then the long ends of the prying bars 8 simultaneously extend into the ball shaft holes 1-3 on the ball body 1 and the ball shaft holes 1-2 below the ball body 1 to continue to pry the ball body 1 to rotate around the X axis to meet the technical requirement, so that the installation of the ball body can be realized.
The present invention is capable of other and various embodiments, and various modifications may be made by those skilled in the art without departing from the principles of the invention and these modifications are intended to be within the scope of the appended claims.
Claims (10)
1. The utility model provides a special frock of small-bore upper assembling type floating ball valve spheroid installation which characterized in that: including tight cover frock (2) expand, set up pretension spanner (3) and turn to spanner (4) on tight cover frock (2) expand respectively, these two spanners are used for pretension respectively and turn to.
2. The special tool for installing the small-caliber upper-mounted floating ball valve body as claimed in claim 1, wherein the special tool comprises: the rotation directions of the pre-tightening wrench (3) and the steering wrench (4) are opposite.
3. The special tool for installing the small-caliber upper-mounted floating ball valve body as claimed in claim 2, wherein the special tool comprises: the lower extreme of tight cover frock of expanding (2) for expand tight cover (2-2), expand tight cover (2-2) including setting up conical head (2-1) at the bottom, at conical head (2-1) outer parcel lamelliform tight end of expanding (2-8), should expand tight end (2-8) bottom and expand tight cover (2-2) fixed connection, and can use the connecting wire of bottom to rotate as the axle, the length of expanding tight end (2-8) is L, this length L and the interior space length phase-match of spheroid (1) that will install.
4. The special tool for installing the small-caliber upper-mounted floating ball valve body as claimed in claim 3, wherein the special tool comprises: elastic grooves (2-9) are arranged above the connecting position of the expansion end (2-8) and the expansion sleeve (2-2) on the expansion sleeve tool (2), and each expansion end (2-8) corresponds to one elastic groove (2-9).
5. The special tool for installing the small-caliber upper-mounted floating ball valve body as claimed in claim 4, wherein the special tool comprises: the expansion sleeve (2-2) is also provided with a positioning excircle (2-6), and the position of the positioning excircle (2-6) is arranged above the expansion end (2-8).
6. The special tool for installing the small-caliber upper-mounted floating ball valve body as claimed in claim 5, wherein the special tool comprises: an outer hexagonal (2-7) is further arranged on the expansion sleeve tool (2), a gasket (2-3) and a nut (2-4) are sequentially arranged on the outer hexagonal (2-7), and a tensioning screw rod (2-5) is arranged at the center of the nut (2-4).
7. A process for installing a small-caliber upper-mounted floating ball valve body is characterized by comprising the following steps: through improving the back to spheroid structure, adopt combination mounting tool centre gripping spheroid runner for spheroid runner and disk seat lumen are in under the coaxial state, place spheroid to runner position, utilize the combination tight instrument that expands to make the spheroid around Y axle clockwise rotation 90 after, make the spheroid be in the closed position, and make the spheroid around X axle after certain angle of prerotation, take out the combination tight instrument that expands, adopt special sled stick to sled the spheroid and continue to realize spheroidal installation after X axle to assigned position.
8. The installation process of the small-caliber upper-mounting type floating ball valve body as claimed in claim 7, wherein the installation process comprises the following steps: the lower part (2-8) of an expansion tool (2) is arranged in a sphere channel (1-1) in a sphere (1), then a steering wrench (4) is respectively arranged at the outer hexagon (2-7) position of the expansion tool (2), a pre-tightening wrench (3) is arranged at the nut (2-4) position of the expansion tool (2), then the pre-tightening wrench (3) and the steering wrench (4) are simultaneously and reversely pulled, a tightening screw rod (2-5) is driven to tighten a conical head (2-1) by rotating the nut (2-4), under the taper effect between the conical head (2-1) and an expansion sleeve (2-2), a certain number of elastic grooves (2-9) are arranged at the lower part of the expansion sleeve (2-2), so that the expansion end (2-8) is tightly attached to the sphere channel (1-1) in the sphere (1), the expansion end (2-8) is controlled to penetrate into the spherical channel (1-1) by the length L to ensure that the expansion part is positioned at the central part of the spherical channel (1-1), and the pre-tightening wrench (3) is taken down after the expansion is finished.
9. The installation process of the small-caliber upper-mounting type floating ball valve body as claimed in claim 8, wherein: the valve seats (6) are respectively arranged in the inner cavity of the valve body (5), meanwhile, the distance H between the upper flat potential (1-4) and the lower flat potential (1-5) of the ball body (1) is smaller than the technical requirement that the crotch H of the two valve seats (6), the ball body is placed in the inner cavity of the valve body (5), the locating inner circle (7-2) of the half locating device (7) is matched with the locating outer circle (2-6) of the expansion tool (2), and the locating outer circle (7-1) is matched with the middle cavity of the valve body (5), so that the ball body (1) is ensured to be located at the center of the valve body.
10. The installation process of the small-caliber top-loading type floating ball valve body as claimed in claim 9, wherein: the turning wrench (4) is turned by 90 degrees around the Y axis, the ball body (1) is also turned by 90 degrees around the Y axis under the drive of the expansion tool (2), so that the ball body (1) and the valve seats (6) on the two sides are ensured to form pre-tightening and sealing, and the half positioning (7) is taken out by utilizing the function of the half part (7-1) of the half positioning (7);
the outer circle of an expansion sleeve (2-2) in the expansion tool (2) is pulled, so that the expansion tool and the sphere (1) rotate around an X axis at the same time by a certain angle beta, then the expansion tool (2) is loosened, and the expansion tool and the steering wrench (4) are taken out together;
the short end of the pry bar (8) is placed at the position of the sphere channel (1-1) of the sphere (1), and the pry bar (8) is provided with an upper flat potential (8-1) and a lower flat potential (8-2), so that the contact pivot is increased when the flat potential and the sphere channel (1-1) are in full force, and the stable stress is ensured. Through spanner crowbar (8) long end for spheroid (1) continues to rotate to spheroid (1) about the X axle and goes up ball shaft hole (1-2) and expose the valve pocket, then adopts crowbar (8) long end to stretch into spheroid (1) simultaneously and go up ball shaft hole (1-3) and continue to sled spheroid (1) and rotate to the technical requirement in ball shaft hole (1-2) down, can realize spheroidal installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010714770.8A CN113967895B (en) | 2020-07-23 | 2020-07-23 | Small-caliber upper-mounted floating ball valve ball body mounting process and special tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010714770.8A CN113967895B (en) | 2020-07-23 | 2020-07-23 | Small-caliber upper-mounted floating ball valve ball body mounting process and special tool thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113967895A true CN113967895A (en) | 2022-01-25 |
| CN113967895B CN113967895B (en) | 2024-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010714770.8A Active CN113967895B (en) | 2020-07-23 | 2020-07-23 | Small-caliber upper-mounted floating ball valve ball body mounting process and special tool thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06337076A (en) * | 1993-05-27 | 1994-12-06 | Takasago Thermal Eng Co Ltd | Ball valve mounting method |
| DE19633244A1 (en) * | 1996-08-17 | 1998-02-19 | Xomox Int Gmbh | Ball valve assembled through housing wall opening and subsequent rotation |
| RU2160404C2 (en) * | 1996-03-27 | 2000-12-10 | Аэроквип Корпорейшн | Rotary ball valve and method of its assembly (variants) |
| CN102248356A (en) * | 2011-06-21 | 2011-11-23 | 温州市中力阀门有限公司 | Rapid assembly process of integrated high-pressure hard seal ball valve seat |
| CN108188977A (en) * | 2018-03-19 | 2018-06-22 | 江苏神通阀门股份有限公司 | A kind of tool structure of the convenient installation and removal of upper-mounting type ball valve sphere |
| CN109732301A (en) * | 2019-01-30 | 2019-05-10 | 苏州纽威阀门股份有限公司 | A kind of ball valve assembly tooling and assembly technology |
-
2020
- 2020-07-23 CN CN202010714770.8A patent/CN113967895B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06337076A (en) * | 1993-05-27 | 1994-12-06 | Takasago Thermal Eng Co Ltd | Ball valve mounting method |
| RU2160404C2 (en) * | 1996-03-27 | 2000-12-10 | Аэроквип Корпорейшн | Rotary ball valve and method of its assembly (variants) |
| DE19633244A1 (en) * | 1996-08-17 | 1998-02-19 | Xomox Int Gmbh | Ball valve assembled through housing wall opening and subsequent rotation |
| CN102248356A (en) * | 2011-06-21 | 2011-11-23 | 温州市中力阀门有限公司 | Rapid assembly process of integrated high-pressure hard seal ball valve seat |
| CN108188977A (en) * | 2018-03-19 | 2018-06-22 | 江苏神通阀门股份有限公司 | A kind of tool structure of the convenient installation and removal of upper-mounting type ball valve sphere |
| CN109732301A (en) * | 2019-01-30 | 2019-05-10 | 苏州纽威阀门股份有限公司 | A kind of ball valve assembly tooling and assembly technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113967895B (en) | 2024-10-18 |
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