CN112453478B - Maintenance tool and maintenance method for cutting torch valve - Google Patents
Maintenance tool and maintenance method for cutting torch valve Download PDFInfo
- Publication number
- CN112453478B CN112453478B CN202011211210.7A CN202011211210A CN112453478B CN 112453478 B CN112453478 B CN 112453478B CN 202011211210 A CN202011211210 A CN 202011211210A CN 112453478 B CN112453478 B CN 112453478B
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- metal ball
- positioning hole
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- 238000005520 cutting process Methods 0.000 title claims abstract description 26
- 238000012423 maintenance Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 87
- 238000005553 drilling Methods 0.000 claims abstract description 24
- 238000003825 pressing Methods 0.000 claims description 24
- 230000008439 repair process Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to the technical field of cutting torch maintenance, and discloses a maintenance tool and a maintenance method for a cutting torch valve, which are used for replacing a metal ball on a valve rod. The frock includes body and spacing. The body is provided with a positioning hole and a guide hole, the positioning hole and the guide hole are communicated with the outside of the body, the positioning hole and the guide hole are arranged at an angle, and the tail end of the guide hole is communicated with the hole wall of the positioning hole. The spacing sets up on the body, when the one end that is equipped with the metal ball on the valve rod inserts in the locating hole, the spacing and the handle butt of valve rod to make the step face on the valve rod can block on the body, and the presetting drilling position and the guide hole coincidence on the valve rod lateral wall. The invention reduces the cost of maintaining the valve, simplifies the operation of maintaining the valve, improves the utilization rate of resources, improves the safety and the practicability, and reduces the cost of manpower and time.
Description
Technical Field
The invention relates to the technical field of cutting torch maintenance, in particular to a maintenance tool and a maintenance method for a cutting torch valve.
Background
In the process of building and maintaining ships, cutting torches are used for processing ships in a large number. The valve is arranged in the cutting torch to control the flow of oxygen or combustible gas and the on-off of the air passage, the oxygen or the combustible gas can pass through a circular ring in the valve when flowing in the air passage of the cutting torch, a pit is arranged at the end part of the valve rod of the valve, a metal ball is fixed in the pit in an interference fit manner, and the flow of the oxygen or the combustible gas and the on-off of the air passage are controlled through the cooperation of the metal ball and the circular ring. After the cutting torch is used for a period of time, the metal ball is worn, so that scratches or pits are generated on the surface of the metal ball. The worn metal ball and the ring cannot play a role in sealing, and when oxygen or combustible gas is not required to flow in the cutting torch, a valve on the cutting torch can generate a gas leakage phenomenon. And the operator is often in the airtight space when using the cutting torch, and leaked combustible gas can be accumulated in the airtight space, so that safety accidents such as explosion and the like can be possibly caused. In the prior art, the cutting torch valve is maintained by directly replacing a new valve rod, so that the maintenance cost is high, the air leakage frequency of the cutting torch is high, and the maintenance cost is further increased.
Based on this, there is a need for a repair tool and a repair method for a cutting torch valve, which solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a maintenance tool and a maintenance method for a cutting torch valve, which reduce the cost of maintaining the valve, simplify the operation of maintaining the valve, improve the utilization rate of resources, improve the safety and the practicability and reduce the labor and time cost.
To achieve the purpose, the invention adopts the following technical scheme:
a repair fixture for a torch valve for replacing a metal ball on a valve stem, the fixture comprising:
the positioning device comprises a body, wherein a positioning hole and a guide hole are formed in the body, the positioning hole and the guide hole are communicated with the outside of the body, the positioning hole and the guide hole are arranged at an angle, and the tail end of the guide hole is communicated with the hole wall of the positioning hole;
the limiting frame is arranged on the body, when one end of the valve rod, which is provided with the metal ball, is inserted into the positioning hole, the limiting frame is abutted with the handle of the valve rod, so that the step surface on the valve rod can be clamped on the body, and the preset drilling position on the side wall of the valve rod is overlapped with the guide hole.
Preferably, the body is provided with a first outer wall and a second outer wall which are perpendicular to each other, the positioning hole is vertically formed in the first surface, and the guide hole is vertically formed in the second surface.
Preferably, the limit frame comprises a pressing plate and a supporting plate, one end of the supporting plate is connected with the body, the other end of the supporting plate is rotationally connected with the pressing plate, and when the valve rod is inserted into the positioning hole, the handle of the valve rod is abutted to the pressing plate.
Preferably, the limit frame further comprises a spring, the support plate comprises a first side plate and a second side plate which are vertically connected, the first side plate is opposite to the first outer wall and is arranged at intervals, one end of the second side plate is connected with the first side plate, and the other end of the second side plate extends towards the body and is fixedly connected with the body; one end of the spring is connected with one end of the first side plate, which faces the body, and the other end of the spring is connected with the pressing plate.
Preferably, the body is further provided with a ball hole, one end of the ball hole is communicated with the hole wall of the positioning hole, the other end of the ball hole is communicated with the outside of the body, and when the metal ball is separated from the valve rod, the metal ball can roll out of the body through the ball hole.
Preferably, the ball Kong Kaishe is disposed on a side of the positioning hole opposite to the second outer wall, and an axis of the ball hole is disposed at an angle to an axis of the positioning hole.
A cutting torch valve maintenance method is applied to the cutting torch valve maintenance tool, and comprises the following steps:
s1, inserting one end of the valve rod with the metal ball into the positioning hole;
s2, fixing the tool on a workbench;
s3, moving a drill bit along the axial direction of the guide hole and drilling the valve rod so as to separate the metal ball from the valve rod;
s4, installing a new metal ball in the arc-shaped concave pit of the valve rod.
Preferably, a limiting frame is arranged on the tool, the limiting frame comprises a pressing plate and a supporting plate, one end of the supporting plate is connected with the body, and the other end of the supporting plate is connected with the pressing plate;
after step S1, the method further includes: the handle of the valve rod is abutted with the pressing plate.
Preferably, step S2 is specifically: the bench vice is arranged on the workbench, the body of the tool is fixedly clamped on the bench vice, and the guide hole of the tool is arranged upwards.
Preferably, in step S3, if the metal ball is not automatically separated from the valve stem, a metal rod is inserted into a hole machined by a drill bit on the valve stem, and the metal ball is pried to separate the metal ball from the valve stem.
The invention has the beneficial effects that: set up locating hole and guide hole on the body, the guide hole awaits measuring the end and is linked together with the pore wall of locating hole, in the maintenance valve, set up the one end of metal ball with the valve rod and insert the locating hole, the guide hole overlaps with the preset drilling position on the valve rod, use the drill bit along the axis motion of guide hole and the drilling valve rod, because the extrusion force of drill bit to the metal ball or can pry the metal ball through other metal rods for the metal ball breaks away from the valve rod, the new metal ball of being convenient for changes, in order to reach the purpose of maintenance valve. By using the tool, the cost for maintaining the valve is reduced, the operation for maintaining the valve is simplified, the time cost is saved, and the utilization rate of resources is improved. Set up the spacing, can fix the valve rod on the body when drilling valve rod, avoided the manual work to fix, improved security, practicality and convenient to use, reduced the cost of labor.
Drawings
FIG. 1 is a partial cross-sectional view of a valve stem in a prior art torch valve;
FIG. 2 is a schematic structural diagram of a repair fixture for a cutting torch valve according to an embodiment of the present invention;
fig. 3 is a flow chart of steps of a method for repairing a torch valve according to an embodiment of the present invention.
In the figure:
10. a tool; 20. a valve stem; 201. a first pole segment; 202. a second pole segment; 30. a metal ball; 40. a handle; 50. a step surface;
1. a body; 11. positioning holes; 12. a guide hole; 13. a ball hole;
2. a limiting frame; 21. a pressing plate; 22. a support plate; 221. a first side plate; 222. a second side plate; 23. and (3) a spring.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in FIG. 1, the valve rod in this embodiment has an arc-shaped recess at one end of the valve rod 20, the metal ball 30 is disposed in the arc-shaped recess in an interference fit manner, and the depth of the arc-shaped recess is greater than the radius of the metal ball 30. The end of the valve rod 20 away from the metal ball 30 is provided with a handle 40, and the handle 40 is coaxially connected with the valve rod 20. The valve rod 20 comprises a first rod section 201 and a second rod section 202 which are coaxially and sequentially connected, an arc-shaped pit is formed in the end face of one end, far away from the second rod section 202, of the first rod section 201, one end, far away from the first rod section 201, of the second rod section 202 is coaxially connected with the handle 40, the diameter of the second rod section 202 is larger than that of the first rod section 201, and a step surface 50 is formed at the joint between the second rod section 202 and the first rod section 201.
The embodiment provides a maintenance tool for a cutting torch valve, which is used for replacing a metal ball 30 on a valve rod 20. Specifically, as shown in fig. 2, the tool 10 includes a body 1 and a limiting frame 2. The body 1 is provided with a positioning hole 11 and a guide hole 12, the positioning hole 11 and the guide hole 12 are communicated with the outside of the body 1, the positioning hole 11 and the guide hole 12 are arranged at an angle, and the tail end of the guide hole 12 is communicated with the hole wall of the positioning hole 11. The limiting frame 2 is arranged on the body 1, when one end of the valve rod 20 provided with the metal ball 30 is inserted into the positioning hole 11, the limiting frame 2 is abutted with the handle 40 of the valve rod 20, so that the step surface 50 on the valve rod 20 can be clamped on the body 1, and the preset drilling position on the side wall of the valve rod 20 is overlapped with the guide hole 12. The body 1 is provided with a positioning hole 11 and a guide hole 12, the end to be detected of the guide hole 12 is communicated with the hole wall of the positioning hole 11, when the valve is maintained, one end of the valve rod 20, provided with a metal ball 30, is inserted into the positioning hole 11, the guide hole 12 coincides with a preset drilling position on the valve rod 20, a drill bit is used for moving along the axis of the guide hole 12 and drilling the valve rod 20, and the metal ball 30 can be pried by the extrusion force of the drill bit on the metal ball 30 or through other metal rods, so that the metal ball 30 is separated from the valve rod 20, and the new metal ball 30 is convenient to replace, so that the purpose of maintaining the valve is achieved. By using the tool 10, the cost for maintaining the valve is reduced, the operation for maintaining the valve is simplified, the time cost is saved, and the utilization rate of resources is improved. The limiting frame 2 is arranged, so that the valve rod 20 can be fixed on the body 1 during drilling of the valve rod 20, manual fixation is avoided, safety and practicality are improved, and labor cost is reduced. It will be appreciated that the step surface 50 can be clamped on the side of the body 1 where the positioning hole 11 is formed, i.e. the diameter of the first rod section 201 on the valve rod 20 is not larger than the diameter of the positioning hole 11, the first rod section 201 can extend into the positioning hole 11, and the diameter of the second rod section 202 is larger than the diameter of the positioning hole 11. In this embodiment, the body 1 is in a rectangular block shape, and is made of metal, so that the processing and production are facilitated.
In this embodiment, since the radius of the metal ball 30 is smaller than the depth of the arc-shaped pit, when the metal ball 30 is placed in the arc-shaped pit, the center of the metal ball 30 is also located in the wrapping range of the arc-shaped pit, and in order to facilitate the metal ball 30 to separate from the valve rod 20 after drilling, the preset drilling position is set between the center of the metal ball 30 and the pit bottom of the arc-shaped pit, so that in the process of drilling, the drill bit applies a force to the metal ball 30 to stir the metal ball 30 outwards of the valve rod 20, and the metal ball 30 can be automatically separated from the valve rod 20 from the opening of the arc-shaped pit in the process of drilling. If the metal ball 30 cannot be automatically separated from the valve rod 20 from the opening of the arc pit during the process of drilling the valve rod 20 at the preset drilling position, a metal rod can be inserted into the drilling hole to pry the metal ball 30 outside the valve rod 20, and the metal ball 30 is assisted to be separated from the valve rod 20.
In this embodiment, in order to avoid the influence of the drilling hole on the subsequent use of the valve stem 20, a drill bit with a diameter of 1mm to 1.5mm is selected to drill the valve stem 20, and the diameter of the guide hole 12 is 1mm to 1.5mm accordingly.
Preferably, the body 1 is provided with a first outer wall and a second outer wall which are perpendicular to each other, the positioning hole 11 is vertically formed in the first outer wall, the guide hole 12 is vertically formed in the second outer wall, that is, the guide hole 12 and the positioning hole 11 are perpendicular to each other, so that the tooling 1 is convenient to process and use, and the maintenance process is simplified. It will be appreciated that since the body 1 is rectangular, 40mm long, 30mm wide and 50mm high, the guide hole 12 and the positioning hole 11 are formed in two adjacent outer walls. When the tool 1 is used, the first outer wall provided with the guide hole 12 is arranged upwards, namely the guide hole 12 is vertically arranged, the drill bit is convenient to move, the positioning hole 11 is transversely arranged, the valve rod 20 is transversely inserted into the positioning hole 11, and the step surface 50 is clamped on the first outer wall, so that the valve rod 20 is convenient to compress. In other embodiments, the opening directions of the positioning hole 11 and the guiding hole 12 may be other directions, which is not limited herein.
Preferably, the stopper 2 includes a pressing plate 21 and a supporting plate 22. One end of the support plate 22 is connected to the main body 1, the other end is connected to the pressure plate 21, and when the valve rod 20 is inserted into the positioning hole 11, the handle 40 of the valve rod 20 abuts against the pressure plate 21. The limit frame 1 adopting the structure of the pressing plate 21 and the supporting plate 22 can simplify the structure of the limit frame 2, reduce the production cost, and the pressing plate 21 is abutted against the handle 40, so that the valve rod 20 can be clamped on the opening position of the positioning hole 11 through the step surface 50, thereby avoiding manual compression of the valve rod 20, reducing the labor cost and improving the safety.
Preferably, the stop 2 further comprises a spring 23. The support plate 22 includes a first side plate 221 and a second side plate 222 which are vertically connected. The first side plate 221 is opposite to the first outer wall and is arranged at intervals, one end of the second side plate 222 is connected with the first side plate 221, and the other end extends towards the body 1 and is fixedly connected with the body 1; one end of the spring 23 is connected to one end of the first side plate 221 facing the body 1, and the other end of the spring 23 is connected to the pressing plate 21. The backup pad 22 sets up first curb plate 221 and second curb plate 222, has simplified the structure of backup pad 22, has saved manufacturing cost, and first curb plate 221 just set up with first outer wall, is convenient for support clamp plate 21, and sets up spring 23, is favorable to supporting valve rod 20 to body 1 tightly when maintaining valve rod 20, has avoided valve rod 20 to take place the drunkenness with body 1 when maintaining, has also avoided the manual work to support tight valve rod 20, has improved security, practicality and convenient to use. In the present embodiment, the support plate 22 is L-shaped, the second side plate 222 is vertically connected to the first outer wall, and the first side plate 221 is parallel to and opposite to the first outer wall. In other embodiments, the support plate 22 may be T-shaped, and the second side plate 222 may be fixedly connected to other positions of the body 1, which is not limited herein. In other embodiments, the spring 23 may be replaced with a spring sleeve or other elastic member, which is not limited herein.
In other embodiments, the supporting plate 22 may also be in a straight plate shape, where the supporting plate 22 is rotatably connected to one end of the pressing plate 21, one end of the spring 23 is connected to the other end of the pressing plate 21, the other end of the spring 23 is fixed to the body 1, and the spring 23 is provided to facilitate pressing the valve rod 20 against the body 1. When the valve stem 20 is placed in the positioning hole 11, the spring 23 is in a stretched state.
Preferably, the body 1 is also provided with ball holes 13. One end of the ball hole 13 is communicated with the hole wall of the positioning hole 11, the other end of the ball hole is communicated with the outside of the body 1, when the metal ball 30 is separated from the valve rod 20, the metal ball 30 can roll out of the body 1 through the ball hole 13, the metal ball 30 is prevented from being accumulated in the body 1, the metal ball 30 can be discharged out of the body 1 without separating the valve rod 20 from the body 1, the use convenience is improved, the time is saved, and the time cost is reduced.
Preferably, the ball hole 13 is formed on one side of the positioning hole 11 opposite to the second outer wall, and the axis of the ball hole 13 is disposed at an angle to the axis of the positioning hole 11. In this embodiment, the body 1 includes a third outer wall parallel to and opposite to the first outer wall, the ball hole 13 is formed on the third outer wall, the hole of the ball hole 13 is located on one side of the positioning hole 11 away from the second outer wall, and the axis of the ball hole 13 is disposed at an angle to the axis of the positioning hole 11, that is, when the tool 1 is used, the guide hole 12 is disposed upwards, the ball hole 13 is located below the positioning hole 11, so that the metal ball 30 automatically rolls due to gravity and is separated from the tool 1, and the metal ball 30 separated from the valve rod 20 is prevented from rolling out of the body 1 due to other structures. In other embodiments, the ball hole 13 may be formed on the bottom surface of the body 1 or at other positions, and a suction device for assisting in sucking out the metal ball 30 may be provided, which is not limited herein.
The embodiment also provides a maintenance method of the cutting torch valve, which is applied to the maintenance tool of the cutting torch valve. The method comprises the following steps:
step S1, an end of the valve rod 20 having the metal ball 30 is inserted into the positioning hole 11.
Specifically, the end of the valve stem 20 where the metal ball 30 is provided is inserted into the positioning hole 11, and the stepped surface 50 is caught on the first outer wall. In this embodiment, the fixture 10 is provided with a limiting frame 2, the limiting frame 2 includes a pressing plate 21 and a supporting plate 22, one end of the supporting plate 22 is connected with the body 1, and the other end is connected with the pressing plate 21. Therefore, step S1 further includes: the handle 40 of the valve rod 20 is abutted with the pressing plate 21, so that the valve rod 20 is ensured not to be fixed with the body 1 manually, the use convenience is improved, and the phenomenon that when the valve rod 20 is maintained, the body 1 and the valve rod 20 are moved is avoided.
Step S2, fixing the tool 10 on a workbench.
The step S2 specifically includes: the bench vice is arranged on the workbench, the body 1 of the tool 10 is fixedly clamped on the bench vice, the guide hole 12 of the tool 10 is arranged upwards, the bench vice is used for fixing the body 1, the operation is convenient, the guide hole 12 is arranged upwards, and the drill bit is also convenient to move along the guide hole 12.
Step S3, the drill moves in the axial direction of the guide hole 12 and drills the valve stem 20 so that the metal ball 30 is separated from the valve stem 20.
In this embodiment, the preset drilling position is set between the center of the metal ball 30 and the bottom of the arc-shaped pit, so that the drill bit applies a force for stirring the metal ball 30 out of the valve rod 20 to the metal ball 30 in the drilling process, and the metal ball 30 can be automatically separated from the valve rod 20 from the opening of the arc-shaped pit in the drilling process. Further, in step S3, if the metal ball 30 is not automatically separated from the valve stem 20 from the opening of the arc-shaped pit, the metal rod is inserted into the hole machined by the drill on the valve stem 20, and the metal ball 30 is pried to separate the metal ball 30 from the valve stem 20, and the metal rod plays a role in assisting the metal ball 30 to separate from the valve stem 20.
Step S4, installing a new metal ball 30 in the arc-shaped recess of the valve stem 20.
Specifically, a new metal ball 30 may be manually pressed into the arcuate recess and a mallet is used to tap the metal ball 30, facilitating the metal ball 30 to be in the proper position on the valve stem 20, completing replacement of the metal ball 30 of the valve stem 20, and thus completing valve repair.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (7)
1. A repair fixture for a torch valve for replacing a metal ball (30) on a valve stem (20), the fixture (10) comprising:
the positioning device comprises a body (1), wherein a positioning hole (11) and a guide hole (12) are formed in the body (1), the positioning hole (11) and the guide hole (12) are communicated with the outside of the body (1), the positioning hole (11) and the guide hole (12) are arranged at an angle, and the tail end of the guide hole (12) is communicated with the wall of the positioning hole (11);
the limiting frame (2) is arranged on the body (1), when one end, provided with the metal ball (30), of the valve rod (20) is inserted into the positioning hole (11), the limiting frame (2) is abutted with a handle (40) of the valve rod (20), so that a step surface (50) on the valve rod (20) can be clamped on the body (1), and a preset drilling position on the side wall of the valve rod (20) is overlapped with the guide hole (12);
the body (1) is provided with a first outer wall and a second outer wall which are perpendicular to each other, the positioning hole (11) is vertically formed in the first outer wall, and the guide hole (12) is vertically formed in the second outer wall;
the body (1) is also provided with a ball hole (13), one end of the ball hole (13) is communicated with the hole wall of the positioning hole (11), the other end of the ball hole is communicated with the outside of the body (1), and after the metal ball (30) is separated from the valve rod (20), the metal ball (30) can roll out of the body (1) through the ball hole (13);
the ball hole (13) is formed in one side, opposite to the second outer wall, of the positioning hole (11), and the axis of the ball hole (13) and the axis of the positioning hole (11) are arranged at an angle; an arc pit is formed in one end of the valve rod (20), and the metal ball (30) is arranged in the arc pit in an interference fit manner; the preset drilling position is arranged between the spherical center of the metal ball (30) and the pit bottom of the arc pit.
2. The cutting torch valve maintenance tool according to claim 1, wherein the limiting frame (2) comprises a pressing plate (21) and a supporting plate (22), one end of the supporting plate (22) is connected with the body (1), the other end of the supporting plate is connected with the pressing plate (21), and when the valve rod (20) is inserted into the positioning hole (11), the handle (40) of the valve rod (20) is abutted to the pressing plate (21).
3. The cutting torch valve maintenance tool according to claim 2, wherein the limiting frame (2) further comprises a spring (23), the supporting plate (22) comprises a first side plate (221) and a second side plate (222) which are vertically connected, the first side plate (221) is opposite to the first outer wall and is arranged at intervals, one end of the second side plate (222) is connected with the first side plate (221), and the other end extends towards the body (1) and is fixedly connected with the body (1); one end of the spring (23) is connected with one end of the first side plate (221) facing the body (1), and the other end of the spring (23) is connected with the pressing plate (21).
4. A method of repairing a torch valve, applied to the torch valve repair fixture of any of claims 1-3, the steps comprising:
s1, inserting one end of the valve rod (20) with the metal ball (30) into the positioning hole (11);
s2, fixing the tool (10) on a workbench;
s3, moving a drill bit along the axial direction of the guide hole (12) and drilling the valve rod (20) so as to separate the metal ball (30) from the valve rod (20);
s4, installing a new metal ball (30) in the arc-shaped concave pit of the valve rod (20).
5. The cutting torch valve maintenance method according to claim 4, wherein a limiting frame (2) is arranged on the tool (10), the limiting frame (2) comprises a pressing plate (21) and a supporting plate (22), one end of the supporting plate (22) is connected with the body (1), and the other end of the supporting plate is connected with the pressing plate (21);
after step S1, the method further includes: the handle (40) of the valve rod (20) is in contact with the pressure plate (21).
6. The method of repairing a torch valve of claim 4, wherein step S2 comprises: a bench vice is arranged on the workbench, the body (1) of the tool (10) is fixedly clamped on the bench vice, and the guide hole (12) of the tool (10) is upwards arranged.
7. The method according to claim 4, characterized in that in step S3, if the metal ball (30) is not automatically detached from the valve stem (20), a metal rod is used to insert into a hole machined by the drill bit in the valve stem (20), and the metal ball (30) is pried to detach the metal ball (30) from the valve stem (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011211210.7A CN112453478B (en) | 2020-11-03 | 2020-11-03 | Maintenance tool and maintenance method for cutting torch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011211210.7A CN112453478B (en) | 2020-11-03 | 2020-11-03 | Maintenance tool and maintenance method for cutting torch valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112453478A CN112453478A (en) | 2021-03-09 |
| CN112453478B true CN112453478B (en) | 2024-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011211210.7A Active CN112453478B (en) | 2020-11-03 | 2020-11-03 | Maintenance tool and maintenance method for cutting torch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112453478B (en) |
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| CN107960766A (en) * | 2017-09-27 | 2018-04-27 | 常州信息职业技术学院 | A kind of environment Public Design drawing fixed frame |
| CN210574338U (en) * | 2019-09-10 | 2020-05-19 | 山东中医药高等专科学校 | Novel card location is used in english teaching device |
| CN211824108U (en) * | 2020-07-17 | 2020-10-30 | 新疆恒远爆破工程有限公司 | Blasting tube fixing device for engineering blasting |
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| KR20030040246A (en) * | 2003-03-17 | 2003-05-22 | 주식회사 비엠티 대표자 윤종찬 | Assembling method for ball valve |
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| CN107960766A (en) * | 2017-09-27 | 2018-04-27 | 常州信息职业技术学院 | A kind of environment Public Design drawing fixed frame |
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| CN112453478A (en) | 2021-03-09 |
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