Special tool for disassembling coupling of horizontal pump

Abstract

A special tool for disassembling a coupling of a horizontal pump comprises a first disassembling assembly and a second disassembling assembly, the first disassembling assembly comprises a pair of semicircular ring parts with long screws, and the semicircular ring parts with the long screws are fixed by a first pair of quarter ring parts through bolts; the second dismounting assembly comprises a pair of semicircular ring parts without long screws, the semicircular ring parts without the long screws are fixed by a second pair of quarter ring parts through bolts, and screw holes allowing the long screws to penetrate through are formed in the positions, close to the peripheries, of the semicircular ring parts without the long screws in an equidistant array mode. The pulling force is generated by adjusting the stroke of the long bolt, so that the pulling force is uniform and controllable, the pulling force cannot pop out to cause personal and equipment damage after being disassembled, and the safety is guaranteed. In addition, used parts have certain universality, and the device is suitable for disassembly construction of the coupling wheels of various coupling wheel horizontal pumps.

Description

Technical Field

[0001] The utility model relates to the field of disassembly of a backrest wheel of a horizontal pump, in particular to a special tool for disassembly of a backrest wheel of a horizontal pump. Background Art

[0002] The use scenarios of horizontal pump backrest wheels are very wide. They are commonly seen in various systems that require power transmission, especially in rotating equipment such as water pumps and fans. It can not only improve the operating efficiency of the equipment, but also extend the service life of the equipment and reduce maintenance costs. Most horizontal pump backrest wheels use interference fit. Due to the large tightening force of the design, it is difficult to directly remove the backrest wheel by simply baking it. The traditional method is to bake the backrest wheel and then use a puller to assist in removal. Due to the limited on-site installation position, the puller is often not available, and the backrest wheel can only be removed by vibration, which can easily cause damage to the backrest wheel and the pump shaft. Therefore, we have designed a special tool for disassembling the horizontal pump backrest wheel, which can solve the problem that the horizontal pump backrest wheel is difficult to disassemble due to the limited on-site installation position or the backrest wheel and the pump shaft are easily damaged during the disassembly process. Utility Model Content

[0003] The utility model aims to provide a special tool for disassembling a backrest wheel of a horizontal pump, which can protect the backrest wheel and the pump shaft from being damaged during disassembly.

[0004] In order to achieve the above objectives, the present invention adopts the following technical solutions:

[0005] The utility model proposes a special tool for disassembling a backrest wheel of a horizontal pump, comprising a first disassembly component and a second disassembly component, wherein the first disassembly component comprises a pair of semi-circular ring components with long screws, and the pair of semi-circular ring components with long screws are fixed by a first pair of quarter-circular ring components via bolts; the second disassembly component comprises a pair of semi-circular ring components without long screws, and the pair of semi-circular ring components without long screws are fixed by a second pair of quarter-circular ring components via bolts, and screw holes for the long screws to pass through are arranged in an array at equal distances near the periphery of the pair of semi-circular ring components.

[0006] Furthermore, a through hole is provided on the quarter-circular ring component.

[0007] Furthermore, the number of the screw holes is three.

[0008] Furthermore, the second disassembly assembly also includes another pair of semi-circular ring parts without long screws, which are fixed by the third pair of quarter-circular ring parts via bolts. The other pair of semi-circular ring parts without long screws are provided with screw holes in an array at equal distances near the periphery for the long screws to pass through.

[0009] The beneficial effects of this utility model are: by adjusting the long bolt stroke to generate tension, the tension is uniform and controllable, and after disassembly, there will be no ejection causing damage to people or equipment, thus ensuring safety. In addition, the components used are universal and applicable to the disassembly of the backrest wheels of various backrest wheel horizontal pumps. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural diagram of the present utility model.

[0011] Figure 2 This is a schematic diagram of the first disassembly component structure.

[0012] Figure 3 This is a schematic diagram of the second disassembly component structure.

[0013] Figure 4 Schematic diagram of a quarter ring component.

[0014] In the figure, 1-semicircular ring component with long screw, 2-semicircular ring component without long screw, 3-quarter circle ring component, 4-screw hole, 5-bolt, 6-bolt hole, 7-coupling, 8-through hole. DETAILED DESCRIPTION

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] See also Figures 1 to 4 , the utility model provides an embodiment:

[0017] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 A special tool for disassembling a horizontal pump backrest wheel comprises a first disassembly assembly and a second disassembly assembly. The first disassembly assembly comprises a pair of semi-circular ring parts 1 with long screws, which are fixed by a first pair of quarter-circular ring parts 3 via bolts 5; the second disassembly assembly comprises a pair of semi-circular ring parts 2 without long screws, which are fixed by a second pair of quarter-circular ring parts 3 via bolts 5. The pair of semi-circular ring parts 2 without long screws are provided with screw holes 4 for the long screws to pass through in an array of equal distances near the periphery.

[0018] See also Figure 4 A through hole 8 is provided on the quarter-circular ring component 3.

[0019] See also Figure 1 , the number of screw holes 4 is three. The semicircular ring component 1 with a long screw can select a suitable screw hole 4 when connecting.

[0020] See also Figure 1 、 Figure 3 and Figure 4 The second disassembly assembly also includes another pair of semi-circular ring parts 2 without long screws, which are fixed by the third pair of quarter-circular ring parts 3 via bolts 5. The other pair of semi-circular ring parts 2 without long screws are provided with screw holes 4 for long screws to pass through in an array of equal distances near the periphery.

[0021] Working principle: Use bolts 5 and gaskets to select a bolt hole 6 on the upper and lower sides of the semi-circular ring part 1 with a long screw and a pair of quarter-circular ring parts 3 to lock the bolts 5 and fix them. The width of the gasket is greater than the width of the through hole 8. They are combined into a circular part to support the end face of the horizontal pump bearing chamber; after fixing the two pairs of semi-circular ring parts 2 without screws and the two pairs of quarter-circular ring parts 3 with bolts 5 and gaskets, they are combined into two circular parts to clamp the end face of the coupling. Before assembling the circular parts installed on the end face of the coupling, align the bolt holes 6 and pass the two long screws. When disassembling the backrest wheel of the horizontal pump, first slowly and evenly bake the backrest wheel to about 150℃, and then slowly adjust the long screw stroke to generate pressure to slowly push out the backrest wheel of the horizontal pump.

Claims

1. A special tool for disassembling the backrest wheel of a horizontal pump, characterized by: It includes a first disassembly component and a second disassembly component, the first disassembly component includes a pair of semi-circular ring parts with long screws, and the pair of semi-circular ring parts with long screws are fixed by a first pair of quarter-circular ring parts via bolts; the second disassembly component includes a pair of semi-circular ring parts without long screws, and the pair of semi-circular ring parts without long screws are fixed by a second pair of quarter-circular ring parts via bolts, and the pair of semi-circular ring parts without long screws are provided with screw holes for the long screws to pass through in an array of equal distances near the periphery.

2. A special tool for disassembling a horizontal pump backrest wheel according to claim 1, characterized in that: A through hole is formed on the quarter-circle ring component.

3. The special tool for disassembling the backrest wheel of a horizontal pump according to claim 1, characterized in that: The number of the screw holes is three.

4. The special tool for disassembling the backrest wheel of a horizontal pump according to claim 1, characterized in that: The second disassembly assembly also includes another pair of semi-circular ring parts without long screws, which are fixed by the third pair of quarter-circular ring parts through bolts. The other pair of semi-circular ring parts without long screws are provided with screw holes for the long screws to pass through in an array of equal distances near the periphery.

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