Disassembling and assembling tool for valve element of reverse blowing valve

Abstract

The utility model discloses a reverse blowing valve element disassembling tool and belongs to the technical field of disassembling tools. The tool comprises a fixing clamping plate and a disassembling tool, the fixing clamping plate is a rectangular plate, a U-shaped hole and a positioning screw hole are formed in the middle of the edge of the left side of the fixing clamping plate, and the position and the size of the positioning screw hole are matched with those of a screw beside a valve element on an S1501 reverse blowing valve; the disassembling tool comprises a positioning ring, fixing bolts and handles, the three fixing bolts facing the circle center are evenly arranged along the circumference of the fixing ring, and the two symmetrical handles are symmetrically arranged on the outer edge of the positioning ring. Aiming at the special structures of the valve core and the valve rod of the S1501 coal gasification device, the dismounting tool can firmly and safely fix the bottom of the valve rod, the corrugated pipe is effectively prevented from being stressed to deform or the valve rod is effectively prevented from falling off during dismounting, and the dismounting work can be completed by only one person. The valve element and the locking nut of the valve element can be rapidly and safely disassembled or installed and fixed in place.

Description

Technical Field

[0001] The utility model belongs to the technical field of disassembly and assembly tools, and in particular relates to a disassembly and assembly tool for a valve core of a back-blowing valve. Background Art

[0002] The back-blowing valve of the coal gasification unit S1501 often has problems such as the valve stem connection sleeve back-tightening nut and the cylinder piston rod back-tightening nut loosening, and the valve stem and piston rod breaking multiple times. At this time, the valve body needs to be repaired. During maintenance, the valve core locking nut and valve core need to be removed. Since the entire valve stem is a bellows structure and the valve core is a round internal threaded structure, conventional tools are not convenient for disassembly and assembly. The original disassembly and assembly method is: use the manufacturer's special tooling fixture with a bench to fix the valve stem, and then use a wrench or pipe clamp to disassemble and assemble the valve core and its locking nut. The disassembly process requires 2-3 people to work together. In addition, during disassembly and assembly, it is very easy to cause the bellows to deform or the wrench and pipe clamp to fall off due to the long distance between the force points, uneven force, and loose fixation, causing damage to the bellows or valve core. Utility Model Content

[0003] The utility model aims to provide a special tool for disassembling and assembling a valve core locking nut and a valve core in a coal gasification device of model S1501, so as to solve the problem that the existing disassembling and assembling tools are difficult to apply driving external force and are easy to damage the bellows or the valve core.

[0004] A back-blowing valve core disassembly and assembly tool, characterized in that: it includes a fixed clamping plate and a disassembly tool, the fixed clamping plate is a rectangular plate with a length of 230mm and a width of 157mm, a U-shaped hole is opened in the middle of the left side of the edge of the fixed clamping plate, the length of the U-shaped hole is 65mm, and the radius of the semicircular part is 16mm, and a positioning screw hole is opened on the fixed clamping plate, and the position and size of the positioning screw hole match the position and size of the screw next to the valve core on the back-blowing valve of S1501; the disassembly tool includes a positioning ring, a fixing bolt and a handle, the inner diameter of the fixing ring is 98mm, and the outer diameter is 135.5mm, three fixing bolts facing the center of the circle are evenly arranged along the circumference of the fixing ring, and two symmetrical handles are symmetrical on the outer edge of the positioning ring.

[0005] Furthermore, there are four positioning screw holes, which are evenly arranged on the right part of the positioning card plate. The diameter of the positioning screw holes is 7.5 mm. The distance between the center of the two left positioning screw holes and the left side of the fixed card plate is 100 mm. The distance between the center of the two right positioning screw holes and the right side of the fixed card plate is 18 mm. The distance between the center of the upper and lower positioning screw holes is 135 mm.

[0006] Furthermore, the length of the fixing bolt is 40 mm.

[0007] When using this disassembly and assembly tool, first fix the fixing clamp plate to the edge of the bench table through the positioning screw hole, and expose the part with the U-shaped hole outside the bench table, fix the bottom position of the valve stem through the U-shaped hole to prevent the valve stem from rotating, and use a wrench to unscrew the locking nut of the valve core; then put the locating ring of the disassembly tool into the position of the wing plate on the valve core, screw in the fixing bolt to make it rest against the locating hole on the side of the wing plate, and use the handle to rotate the locating ring to loosen or tighten the valve core.

[0008] The beneficial effect of the utility model is that the disassembly tool is designed for the special structure of the valve core and valve stem of the S1501 coal gasification device, can firmly and safely fix the bottom of the valve stem, effectively prevent the bellows from being deformed or the valve stem from falling off during disassembly, and only one person is needed to complete the disassembly work. The valve core and its locking nut can be quickly and safely disassembled or installed and fixed in place, and it has the characteristics of simple structure, safety and reliability, easy operation, and high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the fixed card board structure.

[0010] Figure 2 This is a top view of the disassembly tooling.

[0011] Figure 3 This is a side view of the disassembly tooling.

[0012] Figure 4 Schematic diagram of the fixing bolt structure.

[0013] Figure 5 It is a structural diagram of the valve core and valve stem.

[0014] Figure 6 This is a usage status diagram in Example 1.

[0015] Wherein: fixed card plate 1, U-shaped hole 11, positioning screw hole 12;

[0016] Disassembly tool 2, positioning ring 21, fixing bolt 22, handle 23;

[0017] Valve stem 3, valve stem bottom 31, locking nut 32, wing plate 33;

[0018] Bench table 4. DETAILED DESCRIPTION

[0019] Embodiment 1: A back-blowing valve core disassembly and assembly tool, comprising a fixed clamping plate 1 and a disassembly tool 2, wherein the fixed clamping plate 1 is a rectangular plate with a length of 230 mm and a width of 157 mm. A U-shaped hole 11 is provided in the middle of the left edge of the fixed clamping plate 1, the length of the U-shaped hole is 65 mm, and the radius of the semicircular part is 16 mm. A positioning screw hole 12 is provided on the fixed clamping plate. There are four positioning screw holes 12, which are evenly arranged on the right side of the positioning clamping plate 1. The diameter of the positioning screw hole is 7.5 mm. The distance between the center of the two left positioning screw holes 12 and the left side of the fixed clamping plate 1 is 100 mm, the distance between the center of the two right positioning screw holes 12 and the right side of the fixed clamping plate is 18 mm, and the distance between the center of the upper and lower positioning screw holes 12 is 135 mm.

[0020] The disassembly tool 2 includes a positioning ring 21, a fixing bolt 22 and a handle 23. The inner diameter of the fixing ring 21 is 98 mm, the outer diameter is 135.5 mm, and three fixing bolts 22 facing the center of the circle are evenly arranged along the circumference of the fixing ring. The length of the fixing bolt 22 is 40 mm. Two symmetrical handles 23 are symmetrically arranged on the outer edge of the positioning ring 21.

[0021] When in use, first fix the fixing clamp 1 to the edge of the bench table 4 through the positioning screw hole 12, and expose the part with the U-shaped hole outside the bench table 4, fix the bottom 31 of the valve stem through the U-shaped hole 11 to prevent the valve stem 3 from rotating, and use a wrench to unscrew the locking nut 32 of the valve core; then insert the positioning ring 21 of the disassembly tool 2 into the position of the wing plate 33 on the valve core, screw in the fixing bolt 22 to make it rest against the positioning hole on the side of the wing plate 33, and use the handle to rotate the positioning ring to loosen or tighten the valve core.

Claims

1. A back-blowing valve core disassembly and assembly tool, characterized in that: It includes a fixed card plate and a disassembly tool. The fixed card plate is a rectangular plate with a length of 230mm and a width of 157mm. A U-shaped hole is opened in the middle of the left side of the edge of the fixed card plate. The length of the U-shaped hole is 65mm, and the radius of the semicircular part is 16mm. A positioning screw hole is opened on the fixed card plate. The position and size of the positioning screw hole match the position and size of the screw next to the valve core on the backblowing valve of S1501; the disassembly tool includes a positioning ring, a fixing bolt and a handle. The inner diameter of the fixing ring is 98mm and the outer diameter is 135.5mm. Three fixing bolts facing the center of the circle are evenly arranged along the circumference of the fixing ring, and two symmetrical handles are symmetrical on the outer edge of the positioning ring.

2. A back-blowing valve core disassembly and assembly tool as claimed in claim 1, characterized in that There are four positioning screw holes, which are evenly arranged on the right part of the positioning card plate. The diameter of the positioning screw holes is 7.5mm. The distance between the center of the two left positioning screw holes and the left side of the fixed card plate is 100mm. The distance between the center of the two right positioning screw holes and the right side of the fixed card plate is 18mm. The distance between the center of the upper and lower positioning screw holes is 135mm.

3. A back-blowing valve core disassembly and assembly tool as claimed in claim 1, characterized in that The length of the fixing bolt is 40 mm.

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