CN113146550B - Assembly tool and assembly method for valve - Google Patents
Assembly tool and assembly method for valve Download PDFInfo
- Publication number
- CN113146550B CN113146550B CN202110427702.8A CN202110427702A CN113146550B CN 113146550 B CN113146550 B CN 113146550B CN 202110427702 A CN202110427702 A CN 202110427702A CN 113146550 B CN113146550 B CN 113146550B
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- valve
- connecting shaft
- rod
- ball
- nut
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 238000012797 qualification Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Classifications
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/14—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses an assembly fixture and an assembly method for a valve, wherein the assembly fixture comprises a bracket, an upper positioning sleeve, a lower positioning sleeve, an installation seat and an adjusting mechanism which are fixed on the bracket, and also comprises an ejector rod installation piece for installing an ejector rod of a valve ball; the mounting seat is used for mounting a lower positioning sleeve, and the upper positioning sleeve and the lower positioning sleeve are matched for use and used for fixing a shell of the valve; the adjusting mechanism is used for moving a ball body and a valve seat of the valve to a proper position, and when the valve seat is installed, the upper positioning sleeve plays a limiting role on the moving direction of the valve seat; the adjusting mechanism is located at the upper end of the mounting seat. The assembly fixture is used for assembling the valve, the assembly is accurate and quick, and the qualification rate of the valve obtained by the assembly is up to 99.8%.
Description
Technical Field
The invention relates to valve installation, in particular to an assembly tool and an assembly method for a valve.
Background
As shown in fig. 1-3, the valve comprises a shell, a ball body positioned in the shell and a valve seat for supporting the ball body, wherein a valve ball ejector rod is arranged on the other side of the ball body in the shell.
The valve shown in fig. 1-3 is small in size, difficult to install and high in installation accuracy requirement, so that the installation tool is used.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides an assembly fixture for a valve, which adopts the following technical scheme:
the assembly fixture for the valve comprises a bracket, an upper positioning sleeve, a lower positioning sleeve, a mounting seat and an adjusting mechanism, wherein the mounting seat and the adjusting mechanism are fixed on the bracket, and the assembly fixture also comprises an ejector rod mounting piece for mounting an ejector rod of a valve ball; the mounting seat is used for mounting a lower positioning sleeve, and the upper positioning sleeve and the lower positioning sleeve are matched for use and used for fixing a shell of the valve; the adjusting mechanism is used for moving a ball body and a valve seat of the valve to a proper position, and when the valve seat is installed, the upper positioning sleeve plays a limiting role on the moving direction of the valve seat; the adjusting mechanism is located at the upper end of the mounting seat.
Preferably, the adjustment mechanism comprises a pressure sensor for detecting a force acting on the ball of the valve or the valve seat, indicating that it is in place when the number is abrupt. The adjusting mechanism adopts the pressure sensor, so that the ball body of the valve and the valve seat are convenient and accurate to install.
The adjusting mechanism further comprises a box body, a screw rod, a nut, a second connecting shaft, a first connecting shaft and a compression bar, wherein the box body, the screw rod, the nut, the second connecting shaft, the first connecting shaft and the compression bar are fixed on the support, the upper end of the screw rod is rotationally connected with the box body, the nut is connected with the screw rod through threads, a connecting column connected with one end of the pressure sensor is arranged on the lower end face of the nut, the other end of the pressure sensor is connected with the second connecting shaft, the other end of the second connecting shaft is connected with the first connecting shaft, and the other end of the first connecting shaft is connected with the compression bar; the nut moves downwards under the rotation of the screw rod, and the pressure sensor, the second connecting shaft, the first connecting shaft and the pressing rod are driven to move downwards when the nut moves downwards; the connecting shaft is used for pressing the ball body of the valve, when the ball body of the valve moves to a proper position, the connecting shaft is withdrawn to a proper position, the pressing rod is arranged, the pressing rod is used for pressing the valve seat to move downwards, and when the valve seat moves to a proper position, the pressing rod can be withdrawn.
The pressure lever is used for pressing the valve seat to move downwards, and the pressure lever can be withdrawn after the valve seat moves to a proper position.
The box with the screw rod rotates to be connected, specifically can adopt, the box with the screw rod passes through the bearing and is connected, in order to conveniently rotate the screw rod, screw rod top cover is equipped with the carousel of convenient rotation.
Still further preferably, the straight line where the center line of the screw rod is located, the straight line where the center line of the nut is located, the straight line where the center line of the pressure sensor is located, the straight line where the center line of the second connecting shaft is located, the straight line where the center line of the first connecting shaft is located, and the straight line where the center line of the compression bar is located coincide with the straight line where the center line of the valve housing is located.
The direction of movement of the nut is crucial to the installation influence of the ball body of the valve and the valve seat, in order to avoid the movement of the nut from deviating, guide grooves are symmetrically formed in the outer side of the nut, a first limiting part which is connected with the guide grooves in a matched mode is arranged on the box body, and the first limiting part is used for limiting the nut to move only in the straight line direction.
When the valve seat is installed, the upper locating sleeve plays a limiting role on the moving direction of the valve seat, when the screw rod is rotated, the nut moves downwards under the rotation of the screw rod, and the nut moves downwards and drives the pressure sensor, the connecting shaft II, the connecting shaft I and the pressing rod to move downwards; the pressure lever is used for pressing the valve seat to move downwards, and when the numerical value of the pressure sensor suddenly changes, the pressure lever is installed at a proper position, so that the valve seat is convenient and accurate to install.
Because the first round hole on the valve shell corresponds to the second round hole on the valve seat, in order to position the valve shell, the assembly fixture further comprises a ball head set screw, the upper positioning sleeve is provided with a first connecting hole which is in fit connection with the ball head set screw, and the ball head set screw penetrates through the upper positioning sleeve and is used for positioning the first round hole on the valve shell positioned at the inner side of the upper positioning sleeve; still preferably, the assembly fixture further comprises a positioning rod, the upper positioning sleeve is provided with a second connecting hole in fit connection with the positioning rod, and the positioning rod is used for positioning an initial placement position when the valve seat is installed.
Other alternatives can be adopted for the ball head set screw, and the requirements are satisfied: there is a positioning head capable of positioning a circular hole in the valve housing, which may be a spherical head or a hemispherical head.
Because the first round hole on the shell corresponds to Kong Erwei of the valve seat, the valve has a mounting foundation by positioning the shell of the valve, and the initial position of the valve seat is positioned by the positioning rod, so that the first round hole on the shell of the valve after mounting corresponds to the hole of the valve seat accurately.
The assembly fixture further comprises a top rod mounting piece, wherein the top rod mounting piece comprises a micrometer differential head, the micrometer differential head is used for mounting the top rod, the final size required to be mounted is calculated according to the size obtained through the test and the initial size displayed by the micrometer differential head, and the mounting can be accurately achieved through the micrometer differential head.
Because in the assembly process of the valve, the compression bar and the first connecting shaft need to be disassembled for many times, and the compression bar is connected with the first connecting shaft in a magnetic attraction mode, so that the disassembly and the assembly are convenient.
The invention also provides an assembly method, which comprises the following specific steps: the ball head set screw is screwed into the upper locating sleeve, the valve shell is sleeved into the upper locating sleeve, the ball head set screw is clamped into a hole in the valve shell, a valve ball ejector rod of the valve is inserted into the valve shell, then the valve ball ejector rod of the valve is integrally installed into the lower locating sleeve, the mounting seat is locked to lock the lower locating sleeve, then a ball body of the valve is placed from the upper surface of the valve shell, the screw rod is rotated, and the nut, the pressure sensor, the second connecting shaft and the first connecting shaft integrally move downwards, when one end of the connecting shaft enters the valve shell, the pressure value of the pressure sensor is required to be simultaneously seen, and when the pressure value suddenly becomes large, the ball body of the valve is ejected to the valve shell; at the moment, the micrometer differential head extends in from the lower end of the mounting seat, so that the head end surface of the micrometer differential head props against a valve ball ejector rod of the valve, the micrometer value S0 is read, and then the screw is reversely rotated, so that the first connecting shaft is withdrawn and separated from the ball body of the valve; and then according to the original reading S0 and the size L to be adjusted, adjusting the micrometer differential head to a numerical value: s0+l; and finally, sleeving a valve seat of the valve body into the upper positioning sleeve hole, positioning the valve seat of the valve body by using the positioning rod, loosening the positioning rod after positioning, sleeving the pressing rod on the first connecting shaft, mounting a magnet on the pressing rod, and rotating the screw rod again to enable the end face of the pressing rod to prop against the valve seat to slowly press downwards, and observing the numerical value of the pressure sensor at the moment, wherein when the pressure value suddenly increases, the valve seat is indicated to be installed in place.
The invention has the beneficial effects that: the assembly fixture is used for assembling the valve, the assembly is accurate and quick, and the qualification rate of the valve obtained by the assembly is up to 99.8%.
Drawings
FIG. 1 is a schematic structural view of a front view of a valve;
FIG. 2 is a schematic view of the structure of the B-B cross-section in FIG. 1;
FIG. 3 is a schematic structural view of a perspective view of the valve;
FIG. 4 is a schematic view of a front view of an assembly tooling for a valve according to the present invention;
FIG. 5 is a schematic view of the structure of the cross-section view taken along the direction A-A in FIG. 4;
FIG. 6 is a schematic structural view of the left side view of FIG. 4;
fig. 7 is a schematic structural view of the perspective view of fig. 4;
FIG. 8 is an enlarged view of a portion of FIG. 4;
FIG. 9 is a schematic view of a plunger according to the present invention;
fig. 10 is a schematic view of the structure of the nut according to the present invention.
In the figure: 1. micrometer differential head, 2, mount pad, 3, lower locating sleeve, 4, upper locating sleeve, 401, connecting hole one, 402, connecting hole two, 5, depression bar, 501, terminal surface one, 6, connecting axle one, 7, dial indicator mount pad, 8, connecting axle two, 9, pressure sensor, 10, box, 11, nut, 1101, spliced pole, 1102, guide slot, 12, screw rod, 13, end cover, 14, carousel, 15, magnet, 16, stand, 17, base, 18, backup pad, 19, valve, 1901, casing, 1902, disk seat, 1903, spheroid, 1904, valve ball ejector pin, 1905, round hole one, 20, spacing one, 21, bulb holding screw, 22, locating lever.
Detailed Description
As shown in fig. 1-3, the valve 19 comprises a housing 1901, a ball 1903 positioned in the housing, and a valve seat 1902 for mounting the ball, wherein a valve ball ejector rod 1904 is arranged on the other side of the ball in the housing, and a round hole 1905 is formed in the upper half of the housing 1901.
Example 1
As shown in fig. 4 to 7, the assembly fixture for the valve comprises a bracket, an upper positioning sleeve 4, a lower positioning sleeve 3, a mounting seat 2 and an adjusting mechanism which are fixed on the bracket, and also comprises a push rod mounting piece for mounting a push rod of a valve ball; the mounting seat 2 is used for mounting a lower positioning sleeve 3, and the upper positioning sleeve 4 and the lower positioning sleeve 3 are matched for use and used for fixing a shell 1901 of the valve; the adjusting mechanism is used for moving a ball 1903 and a valve seat 1902 of the valve to proper positions, and when the valve seat 1902 is installed, the upper positioning sleeve 4 plays a limiting role on the moving direction of the valve seat 1902; the adjusting mechanism is located at the upper end of the mounting seat 2.
The bracket comprises a base 17 and a stand column 16, wherein the stand column 16 is fixed on the base 17.
Referring to fig. 5, the adjusting mechanism includes a box 10 fixed on the upright 16, a screw 12, a nut 11, a pressure sensor 9, a second connecting shaft 8, a first connecting shaft 6 and a compression bar 5, wherein the upper end of the screw 12 is rotationally connected with the box 10, the nut 11 is connected with the screw 12 through threads, a connecting column 1101 connected with one end of the pressure sensor 9 is arranged on the lower end surface of the nut 11, the other end of the pressure sensor 9 is connected with the second connecting shaft 8, the other end of the second connecting shaft 8 is connected with the first connecting shaft 6, the other end of the first connecting shaft 6 is connected with the compression bar 5, and the compression bar 5 is connected with the first connecting shaft 6 through a magnetic attraction mode; the line of the center line of the screw 12, the line of the center line of the nut 11, the line of the center line of the pressure sensor 9, the line of the center line of the second coupling 8, the line of the center line of the first coupling 6, and the line of the center line of the compression bar 5 coincide with the line of the center line of the valve housing 1901.
The nut 11 moves downwards under the rotation of the screw rod 12, and the nut 11 drives the pressure sensor 9, the second connecting shaft 8, the first connecting shaft 6 and the compression bar 5 to move downwards while moving downwards; the first connecting shaft 6 is used for pressing the ball 1903 of the valve, when the ball 1903 of the valve moves to a proper position, the first connecting shaft 6 is retracted to a proper position, the pressing rod 5 is installed, the pressing rod 5 is used for pressing the valve seat 1902 to move downwards, and when the valve seat 1902 moves to a proper position, the pressing rod 5 can be retracted.
Referring to fig. 5, the box 10 is connected with the screw 12 through a bearing, an end cover 13 is sleeved on the screw 12, and the end cover 13 is fixedly connected with the box 10.
In order to facilitate the rotation of the screw 12, a turntable 14 is sleeved on the top end of the screw 12 for facilitating the rotation.
As shown in fig. 10, guide grooves 1102 are symmetrically arranged on the outer side of the nut 11, and a first limiting member 20 which is in fit connection with the guide grooves 1102 is arranged on the box body 10, wherein the first limiting member 20 is used for limiting the nut 11 to move only in the linear direction.
Referring to fig. 4, 5 and 8 in combination, the ejector rod mounting piece includes a micrometer micro-head 1, the micrometer micro-head 1 extends into the lower positioning sleeve 3 from the lower end of the mounting seat 2, the micrometer micro-head 1 extends into the lower end of the mounting seat 2, the end face of the micrometer micro-head 1 abuts against a valve ball ejector rod 1904 of the valve, a micrometer numerical value S0 is read, and then the screw 12 is reversely rotated to separate the first connecting shaft 6 from the ball 1903; and then according to the original reading S0 and the size L to be adjusted, adjusting the micrometer differential head to a numerical value: s0+l; wherein L is the size obtained by the test.
The plunger-connected valve seat 1902 depicted in fig. 4, 5, and 8 is in an initial installed state.
Referring to fig. 9, one end of the compression rod 5 is connected to the first connecting shaft 6, and the other end is provided with a first end surface 501 for pressing the valve seat 1902 to move the valve seat 1902 to a proper position.
Example 2
On the basis of embodiment 1, the valve further comprises a ball head set screw 21, the upper positioning sleeve 4 is provided with a first connecting hole 401 which is in fit connection with the ball head set screw 21, and the ball head set screw 21 penetrates through the upper positioning sleeve 4 and is used for positioning a first round hole 1905 positioned on the shell 1901 of the valve inside the upper positioning sleeve 4. The ball set screw 21 is threaded into the upper retaining sleeve 4, and the valve housing 1901 is nested into the upper retaining sleeve 4, such that the ball set screw 21 snaps into the circular hole one 1905 on the valve housing bore.
Example 3
On the basis of embodiment 2, the valve seat 1902 further comprises a positioning rod 22, the upper positioning sleeve 4 is provided with a second connecting hole 402 which is in matched connection with the positioning rod 22, the positioning rod 22 is used for positioning the initial placement position of the valve seat 1902 during installation, after positioning, the positioning rod 22 is withdrawn, the pressing rod 5 is pressed against the valve seat 1902 to move downwards to the valve housing 1901, and when the numerical value of the pressure sensor suddenly changes, the valve seat is indicated to be installed in place.
Example 4
On the basis of embodiment 3, the device further comprises a dial indicator mounting seat 7 and a supporting plate 18, wherein the supporting plate 18 is fixed on the first connecting shaft, the dial indicator mounting seat 7 is used for placing a dial indicator, and a dial indicator head is propped against the supporting plate 18 and moves along with the supporting plate 18 to determine the displacement under a certain torsion value.
Example 5
The assembly method comprises the following specific steps: the ball head set screw 21 is screwed into the upper locating sleeve 4, the shell 1901 of the valve is sleeved into the upper locating sleeve 4, the ball head set screw 21 is clamped into a round hole one 1905 on a hole of the shell of the valve, the ball head push rod 1904 is inserted into the shell 1901 of the valve, then the lower locating sleeve 3 is integrally installed, the mounting seat 2 is locked to lock the lower locating sleeve 3, then a ball body 1903 of the valve is placed from the upper surface of the shell 1901 of the valve, the screw rod 12 is rotated, and the nut 11, the pressure sensor 9, the connecting shaft two 8 and the connecting shaft one 6 are integrally moved downwards, when the head of the connecting shaft one 6 enters the shell 1901 of the valve, the pressure value change of the pressure sensor is needed to be simultaneously seen, and when the pressure value suddenly becomes large, the ball body 1903 of the valve is indicated to be pushed onto the shell of the valve; at this time, the micrometer micro head 1 is extended into the mounting seat 2 from the lower end, so that the end surface of the micrometer micro head 1 is propped against the valve ball ejector rod 1904 of the valve, the micrometer value S0 is read, and then the screw 12 is reversely rotated, so that the first connecting shaft 6 is separated from the sphere 1903; and then according to the original reading S0 and the size L to be adjusted, adjusting the micrometer differential head to a numerical value: s0+l; finally, the valve seat 1902 of the valve body is sleeved into the hole of the upper positioning sleeve 4, the valve seat 1902 of the valve body is positioned by the positioning rod 22, the positioning rod 22 is loosened after the positioning is finished, the first connecting shaft 6 is sleeved with the pressing rod 5, the pressing rod 5 is provided with a magnet 15 (the pressing rod is prevented from falling downwards by the magnetic force of the magnet), the screw rod 12 is rotated again, the end face of the pressing rod 5 is propped against the valve seat to be pressed downwards slowly, the numerical value of the pressure sensor is observed at the moment, and when the pressure value is suddenly increased, the valve seat is indicated to be installed in place.
Claims (10)
1. A assembly fixture for valve, its characterized in that: the valve ball valve comprises a bracket, an upper positioning sleeve, a lower positioning sleeve, a mounting seat and an adjusting mechanism which are fixed on the bracket, and also comprises a push rod mounting piece for mounting a push rod of a valve ball; the mounting seat is used for mounting a lower positioning sleeve, and the upper positioning sleeve and the lower positioning sleeve are matched for use and used for fixing a shell of the valve; the adjusting mechanism is used for moving a ball body and a valve seat of the valve to a proper position, and when the valve seat is installed, the upper positioning sleeve plays a limiting role on the moving direction of the valve seat; the adjusting mechanism is located at the upper end of the mounting seat.
2. The assembly fixture for a valve of claim 1, wherein: the adjustment mechanism includes a pressure sensor for detecting a force acting on the ball of the valve or the valve seat, indicating that it is in place when the value is abrupt.
3. The assembly fixture for a valve according to claim 2, wherein: the adjusting mechanism further comprises a box body, a screw rod, a nut, a second connecting shaft, a first connecting shaft and a compression bar, wherein the box body, the screw rod, the nut, the second connecting shaft, the first connecting shaft and the compression bar are fixed on the support, the upper end of the screw rod is in rotary connection with the box body, the nut is connected with the screw rod through threads, a connecting column connected with one end of the pressure sensor is arranged on the lower end face of the nut, the other end of the pressure sensor is connected with the second connecting shaft, the other end of the second connecting shaft is connected with the first connecting shaft, and the other end of the first connecting shaft is connected with the compression bar; the nut moves downwards under the rotation of the screw rod, and the pressure sensor, the second connecting shaft, the first connecting shaft and the pressing rod are driven to move downwards when the nut moves downwards; the connecting shaft is used for pressing the ball body of the valve, when the ball body of the valve moves to a proper position, the connecting shaft is withdrawn to a proper position, the pressing rod is arranged, the pressing rod is used for pressing the valve seat to move downwards, and when the valve seat moves to a proper position, the pressing rod can be withdrawn.
4. The assembly fixture for a valve of claim 3, wherein: the straight line where the center line of the screw rod is located, the straight line where the center line of the nut is located, the straight line where the center line of the pressure sensor is located, the straight line where the center line of the connecting shaft II is located, the straight line where the center line of the connecting shaft I is located, and the straight line where the center line of the compression bar is located coincide with the straight line where the center line of the valve shell is located.
5. The assembly fixture for a valve of claim 3, wherein: the valve further comprises a ball head set screw, the upper positioning sleeve is provided with a first connecting hole which is connected with the ball head set screw in a matched mode, and the ball head set screw penetrates through the upper positioning sleeve and is used for positioning a first round hole which is positioned on the inner side of the upper positioning sleeve and is positioned on the shell of the valve.
6. The assembly fixture for a valve of claim 5, wherein: the valve seat positioning device is characterized by further comprising a positioning rod, wherein the upper positioning sleeve is provided with a second connecting hole which is connected with the positioning rod in a matched mode, and the positioning rod is used for positioning the initial placement position of the valve seat during installation.
7. The assembly fixture for a valve of claim 3, wherein: the nut is characterized in that guide grooves are symmetrically formed in the outer side of the nut, a first limiting part which is connected with the guide grooves in a matched mode is arranged on the box body, and the first limiting part is used for limiting the nut to move only in the straight line direction.
8. The assembly fixture for a valve of claim 1, wherein: the ejector rod mounting piece comprises a micrometer differential head.
9. The assembly fixture for a valve of claim 3, wherein: the compression bar is connected with the first connecting shaft through magnetic attraction.
10. A method of assembling a valve, comprising: the assembly fixture for the valve, which is adopted by the assembly fixture for the valve, comprises the following specific steps: the ball head set screw is screwed into the upper locating sleeve, the valve shell is sleeved into the upper locating sleeve, the ball head set screw is clamped into a hole in the valve shell, a valve ball ejector rod of the valve is inserted into the valve shell, then the valve ball ejector rod of the valve is integrally installed into the lower locating sleeve, the mounting seat is locked to lock the lower locating sleeve, then a ball body of the valve is placed from the upper surface of the valve shell, the screw rod is rotated, and the nut, the pressure sensor, the second connecting shaft and the first connecting shaft integrally move downwards, when one end of the connecting shaft enters the valve shell, the pressure value of the pressure sensor is required to be simultaneously seen, and when the pressure value suddenly becomes large, the ball body of the valve is ejected to the valve shell; at the moment, the micrometer differential head extends in from the lower end of the mounting seat, so that the head end surface of the micrometer differential head props against a valve ball ejector rod of the valve, the micrometer value S0 is read, and then the screw is reversely rotated, so that the first connecting shaft is withdrawn and separated from the ball body of the valve; and then according to the original reading S0 and the size L to be adjusted, adjusting the micrometer differential head to a numerical value: s0+l; and finally, sleeving a valve seat of the valve body into the upper positioning sleeve hole, positioning the valve seat of the valve body by using the positioning rod, loosening the positioning rod after positioning, sleeving the pressing rod on the first connecting shaft, mounting a magnet on the pressing rod, and rotating the screw rod again to enable the end face of the pressing rod to prop against the valve seat to slowly press downwards, and observing the numerical value of the pressure sensor at the moment, wherein when the pressure value suddenly increases, the valve seat is indicated to be installed in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110427702.8A CN113146550B (en) | 2021-04-21 | 2021-04-21 | Assembly tool and assembly method for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110427702.8A CN113146550B (en) | 2021-04-21 | 2021-04-21 | Assembly tool and assembly method for valve |
Publications (2)
| Publication Number | Publication Date |
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| CN113146550A CN113146550A (en) | 2021-07-23 |
| CN113146550B true CN113146550B (en) | 2024-04-02 |
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| CN202110427702.8A Active CN113146550B (en) | 2021-04-21 | 2021-04-21 | Assembly tool and assembly method for valve |
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