Wedge-shaped tool for installing and fixing generator bar

Abstract

The utility model belongs to the technical field of generator bar installation, and particularly relates to a wedge-shaped tool for installing and fixing a generator bar, which comprises an installation shell, a plurality of motor bar bodies arranged in the installation shell in a circular shape, and a fixing assembly arranged in the installation shell, in order to better fix the motor bar body in the mounting shell, a fixing assembly is arranged based on the motor bar body, the motor bar body is arranged in the mounting groove, a fastening clamping block is driven to move in the mounting groove in a fastening mode by rotating a fixing bolt, the fastening clamping block is elaborately manufactured, and the shape of the fastening clamping block is perfectly matched with the wedge shape of the mounting groove; by means of the tool, the motor bar body can be tightly attached in the assembling process, the stable fixing effect is achieved, the motor bar body can be tightly attached to the interior of the installation groove, potential safety hazards caused by looseness or displacement are avoided, meanwhile, the installation process of the bar is greatly simplified through the tool, and the installation efficiency of the motor bar body is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of generator wire rod installation, and in particular relates to a wedge-shaped tool for fixing the generator wire rod installation. Background Art

[0002] With the development of economy, the national scientific and technological level is improving day by day, and people's research on the stator wire bar of the generator is becoming more and more perfect. The fixation of the stator wire bar and the stator coil in the installation slot, which is the core of the generator, has always been a basic topic in the study of generators. In the three stages of the discharge machine starting, running and stopping, the comprehensive consideration of the electromagnetic force, thermal effect and mechanical stress on the wire bar has always been the fundamental and difficult point of the stator wire bar. How to solve the reliable fixation of the winding during the operation of the generator and the related problems that may exist in the long-term operation are all the areas that need to be considered in the design of the generator winding bar;

[0003] The stator bars of the generator are subjected to electromagnetic force and mechanical vibration during operation, so an effective stator bar fastening system is very necessary. The tightness of the slot wedge is directly related to the fastening of the stator bar. Therefore, in the maintenance of the generator, the inspection and treatment of the tightness of the slot wedge has always been one of the key points. The traditional method is to wrap a low-resistance iron asbestos tape or a low-resistance tape on the outer surface of the stator bar to form it directly with the main insulation of the stator bar, and the gap between the stator bar and the slot wall is filled with semiconductor boards when installing the stator bar, which is time-consuming and labor-intensive. However, if it is not tightly plugged, the stator bar may have poor contact with the two sides of the installation slot wall, which may lead to adverse consequences, which may affect the overall performance and operation stability of the generator.

[0004] In order to solve the above problems, the present application proposes a wedge-shaped tool for installing and fixing generator wire rods. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a wedge-shaped tool for installing and fixing a generator wire rod, which has the characteristics of simple structure, convenient operation and installation, and can well fix the generator wire rod and has good stabilization effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wedge-shaped tool for installing and fixing a generator wire rod, comprising a mounting housing and a plurality of motor wire rod bodies arranged in a circular shape in the mounting housing, and also comprising a fixing assembly arranged in the mounting housing;

[0007] The fixing assembly includes a plurality of mounting grooves arranged in a circular structure on the inner wall surface of the mounting shell, and the motor wire rod body is clamped in the mounting shell through the mounting grooves. The mounting grooves in the mounting shell and two fastening clamps are symmetrically arranged on the surface of the motor wire rod body, and a fixing bolt is screwed into a threaded hole formed in the surface of the fastening clamp. The fixing bolt passes through the fastening clamp and extends to one side of the fastening clamp. One end of the fixing bolt passes through the fastening clamp and abuts against the surface of the motor wire rod body.

[0008] As a preferred embodiment of the utility model of a wedge-shaped tool for fixing generator wire rod installation, the fastening clamp block is in a wedge-shaped structure and is arranged in the installation groove opened on the inner wall of the installation shell.

[0009] As a preferred embodiment of the utility model for a wedge-shaped tool for installing and fixing a generator wire rod, the installation groove is arranged in an inwardly concave wedge-shaped structure, and the opening position of the groove gradually increases from the outside to the inside.

[0010] As a preferred embodiment of the utility model of a wedge-shaped tool for installing and fixing a generator wire rod, a gasket strip is provided between the motor wire rod body and the fastening clamp block.

[0011] As a preferred embodiment of the utility model for a wedge-shaped tool for fixing generator wire rod installation, the fastening clamp block is arranged in the installation groove, and the shape of the fastening clamp block perfectly matches the installation groove.

[0012] As a preferred embodiment of the utility model for a wedge-shaped tool for installing and fixing a generator wire rod, the motor wire rod body is manufactured by a folding process, and the folded portion is coated with an elastic gel-like silicone grease composite adhesive.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In order to better fix the motor wire rod body in the mounting shell, a fixing component is provided. The motor wire rod body is arranged in the mounting groove, and the fixing bolt is rotated to drive the fastening clamp to fasten and move in the mounting groove. The fastening clamp is carefully produced and its shape perfectly matches the wedge shape of the mounting groove, thereby ensuring a tight fit during the assembly process and achieving a stable fixing effect, thereby facilitating the fixing of the motor wire rod body in the mounting groove. The above-mentioned design structure is simple and easy to operate, and labor expenditure is saved, so that the motor wire rod body can fit tightly in the mounting groove, thereby avoiding safety hazards caused by looseness or displacement. At the same time, the use of this tool also greatly simplifies the installation process of the wire rod and improves the installation efficiency of the motor wire rod body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a cross-sectional structural diagram of the installation shell in the utility model;

[0018] Figure 3 This is the installation diagram of the fastening clamp position in the utility model;

[0019] Figure 4 This is a schematic diagram of the installation of the fixed components in the utility model;

[0020] Figure 5 This is a diagram showing the position of the screw hole A in the present utility model;

[0021] Figure 6 For this utility model Figure 5 Schematic diagram of the enlarged structure at A in the middle.

[0022] In the figure: 1. Installation housing; 2. Motor wire rod body; 3. Fixing assembly; 31. Installation slot; 32. Fastening clamp block; 33. Fixing bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] like Figure 1-Figure 4 As shown;

[0026] A wedge-shaped tool for installing and fixing a generator wire rod comprises a mounting shell 1 and a plurality of motor wire rod bodies 2 which are arranged in a circular shape in the mounting shell 1.

[0027] In this implementation scheme: to solve the problem that "the traditional method is to wrap a low-resistance iron asbestos tape on the outer surface of the stator bar or the low-resistance tape is directly formed together with the main insulation of the stator bar, and the gap between the stator bar and the slot wall is filled with a semiconductor board when installing the stator bar, which is time-consuming and labor-intensive. However, if it is not tightly filled, the stator bar may have poor contact with the two sides of the installation slot wall, which may lead to adverse consequences and may affect the overall performance and operation stability of the generator". In terms of actual use, this problem is obviously a real problem that is difficult to solve. In view of this, in order to solve this technical problem, a fixing component 3 is added to the application document.

[0028] More specifically:

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown;

[0030] In combination with the above content, it also includes a fixing component 3 arranged in the installation shell 1, and the fixing component 3 includes a plurality of installation grooves 31 arranged in a circular structure on the inner wall of the installation shell 1. The motor wire rod body 2 is clamped in the inside of the installation shell 1 through the installation groove 31. The installation groove 31 opened in the installation shell 1 and two fastening clamps 32 are symmetrically arranged on the surface of the motor wire rod body 2. The threaded hole opened on the surface of the fastening clamp 32 is threaded with a fixing bolt 33. The fixing bolt 33 passes through the fastening clamp 32 and extends to one side of the fastening clamp 32. One end of the fixing bolt 33 passes through the fastening clamp 32 and abuts against the surface of the motor wire rod body 2.

[0031] It should be noted that a gasket strip is provided between the motor wire rod body 2 and the fastening clamp block 32 .

[0032] It should be noted that the mounting groove 31 is arranged in an inwardly concave wedge-shaped structure, and the opening position of the groove is arranged to gradually increase from the outside to the inside.

[0033] In the present embodiment: in order to better fix the motor wire rod body 2 in the mounting shell 1, a fixing component 3 is set based on this, by setting the motor wire rod body 2 in the mounting groove 31, and driving the fastening clamp 32 to fasten and move in the mounting groove 31 by rotating the fixing bolt 33, and by carefully making the fastening clamp 32, the shape of which perfectly matches the wedge shape of the mounting groove 31, ensuring that it can fit tightly during the assembly process and achieve a stable fixing effect, thereby facilitating the fixing of the motor wire rod body 2 in the mounting groove 31. The above-mentioned design structure is simple and easy to operate, saving labor expenses, so that the motor wire rod body 2 can fit tightly in the mounting groove 31, thereby avoiding safety hazards caused by loosening or displacement. At the same time, the use of this tool also greatly simplifies the installation process of the wire rod and improves the installation efficiency of the motor wire rod body 2.

[0034] In an optional embodiment, the fastening clamp 32 is in a wedge-shaped structure and is disposed in a mounting groove 31 opened on the inner wall of the mounting housing 1 .

[0035] In this embodiment, the fastening clamp block 32 is carefully made, and its shape perfectly matches the wedge shape of the mounting groove 31, ensuring a tight fit during the assembly process to achieve a stable fixing effect.

[0036] Going further:

[0037] like Figure 1-Figure 6 As shown;

[0038] In combination with the above content, the motor wire rod body 2 is made by adopting a folding process, and the folded part is coated with elastic gel-like silicone grease composite glue.

[0039] In this embodiment: the first step is to fold the motor wire rod body 2 of a certain width in half, and the second step is to evenly apply a room temperature curing elastic silicone grease composite glue on the surface of the folded motor wire rod body 2, and use the semiconductor paper after the glue is used as the winding belt, and evenly wrap it on the straight section of the stator wire rod, that is, all the parts that are in contact with the core wall. When the glue is not cured, quickly put it into the core wire slot. The biggest feature of the glue is that it has self-expansion properties and has a certain elasticity after curing. Therefore, the size of the stator wire rod and the core can be slightly larger, and the stator wire rod after wrapping can be easily put into the installation slot. After a certain period of time, the glue expands and solidifies, so that the stator wire rod has good mechanical contact with the core. This elastic material can compensate for the thermal expansion caused by temperature changes and the displacement that may occur during operation, which is beneficial to the safe operation of the generator.

[0040] The working principle and use process of the utility model: In order to better fix the motor wire rod body 2 in the installation shell 1, based on this, a fixing component 3 is set, by setting the motor wire rod body 2 in the installation groove 31, and driving the fastening clamp 32 to move in the installation groove 31 by rotating the fixing bolt 33, and the fastening clamp 32 is carefully made, and the shape perfectly matches the wedge shape of the installation groove 31, ensuring that it can fit tightly during the assembly process, achieving a stable fixing effect, thereby facilitating the fixing of the motor wire rod body 2 in the installation groove 31. The above-mentioned design structure is simple and easy to operate, saving labor expenses, so that the motor wire rod body 2 can fit tightly in the installation The stator wire rod 31 is in the groove 31, thereby avoiding the safety hazard caused by looseness or displacement. At the same time, the use of this tool also greatly simplifies the installation process of the wire rod, improves the installation efficiency of the motor wire rod body 2, and folds the motor wire rod body 2 of a certain width, and evenly applies the elastic gel-like silicone grease composite glue that cures at room temperature on the surface of the folded motor wire rod body 2. The biggest feature of the glue is that it has self-expansion performance and has a certain elasticity after curing. Therefore, the size of the stator wire rod and the iron core can be slightly larger, and the wrapped stator wire rod can be easily lowered into the installation groove 32 for easy installation, so that the stator wire rod and the iron core have good mechanical contact, which is beneficial to the safe operation of the generator.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A wedge-shaped tool for fixing generator wire rods, comprising a mounting housing (1) and a plurality of motor wire rod bodies (2) arranged in a circular shape in the mounting housing (1), characterized in that: It also includes a fixing assembly (3) arranged in the installation housing (1); The fixing assembly (3) comprises a plurality of mounting grooves (31) arranged in a circular structure on the inner wall surface of the mounting shell (1); the motor wire rod body (2) is clamped into the interior of the mounting shell (1) through the mounting grooves (31); the mounting grooves (31) provided in the interior of the mounting shell (1) and two fastening clamps (32) are symmetrically provided on the surface of the motor wire rod body (2); a fixing bolt (33) is screwed into a threaded hole provided on the surface of the fastening clamp (32); the fixing bolt (33) passes through the fastening clamp (32) and extends to one side of the fastening clamp (32); one end of the fixing bolt (33) passing through the fastening clamp (32) abuts against the surface of the motor wire rod body (2).

2. The wedge-shaped tool for fixing generator wire rods according to claim 1, characterized in that: The fastening clamp block (32) is in a wedge-shaped structure and is arranged in the installation groove (31) provided on the inner wall of the installation shell (1).

3. The wedge-shaped tool for fixing generator wire rods according to claim 1, characterized in that: The installation groove (31) is arranged in an inwardly concave wedge-shaped structure, and the opening position of the groove is arranged to gradually increase from the outside to the inside.

4. The wedge-shaped tool for fixing generator wire rods according to claim 1, characterized in that: A gasket strip is provided between the motor wire rod body (2) and the fastening clamp block (32).

5. The wedge-shaped tool for fixing generator wire rods according to claim 1, characterized in that: The fastening clamp block (32) is arranged in the installation groove (31), and the shape of the fastening clamp block (32) perfectly matches the shape of the installation groove (31).

6. The wedge-shaped tool for fixing generator wire rods according to claim 1, characterized in that: The motor wire rod body (2) is manufactured by adopting a folding process, and the folded portion is coated with elastic colloid-like silicone grease composite glue.

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