A portable detection device for genset maintenance

Abstract

This utility model discloses a portable testing device for generator set maintenance, belonging to the field of electrical testing technology. It includes a protective shell and a detector installed inside the shell. A through groove is formed on one outer wall of the protective shell, and a protective cover is inserted into the groove. A mounting hole is formed on the surface of the protective shell, and a fixing sleeve is fixed within the mounting hole. A fixing pin is movably connected inside the fixing sleeve. A fixing groove matching the fixing pin is formed on the surface of the protective cover. Two support seats are installed on the bottom wall of the inner cavity of the protective shell, and an automatic cable reel is placed inside the support seats. This portable testing device for generator set maintenance allows for quick assembly and disassembly of the protective cover without tools, making it more convenient to use and maintain. It can also extend the testing cable to a suitable length according to actual needs, and when not in use, the testing cable can be retracted for easy storage and portability.

Description

Technical Field

[0001] This utility model belongs to the field of electrical testing technology, specifically relating to a portable testing device for generator set maintenance. Background Technology

[0002] Generator sets in power plants are crucial components for converting heat energy into electrical energy. Current technology typically involves periodically inspecting these generator sets using testing devices to ensure their proper operation. This is generally achieved by using detectors in conjunction with testing cables to inspect the areas of the generator set requiring maintenance.

[0003] Traditional detection devices have the following technical problems:

[0004] The protective cover is inconvenient to install and remove: Most of the protective covers of the testing devices are fixed with bolts or clips, and tools are needed to install and remove them. Maintenance is time-consuming and laborious, especially in the field.

[0005] The detection lines are cumbersome to store: The detection lines are usually exposed or tangled, which makes them easy to get tangled and worn. They also cannot be flexibly adjusted in length according to the detection distance, and they take up a lot of space when carried, making them inconvenient to transport. Utility Model Content

[0006] The purpose of this utility model is to provide a portable testing device for generator set maintenance, so as to solve the problems of inconvenient disassembly and assembly of the protective cover and difficulty in storing the testing line mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a portable testing device for generator set maintenance, comprising a protective shell and a detector installed inside the protective shell. A through groove is provided on one outer wall of the protective shell, and a protective cover is inserted into the through groove. An installation hole is provided on the surface of the protective shell, and a fixing sleeve is fixed in the installation hole. Movable grooves are provided on both the upper and lower outer walls of the fixing sleeve, and a fixing pin is movably connected in the movable groove of the fixing sleeve. A fixing groove matching the fixing pin is provided on the surface of the protective cover.

[0008] The bottom wall of the inner cavity of the protective shell is equipped with two support seats. An automatic winding device is placed inside the support seats, and a detection line is provided in the automatic winding device. One end of the detection line is connected to a detector, and the other end is equipped with a detection head.

[0009] In a further embodiment, a limit ring is fixed to the outer wall of the fixing pin, and a fixing spring for supporting the limit ring is sleeved on the outside of the fixing pin.

[0010] In a further embodiment, the pin portion of the fixing pin has a cuboid structure, and the side of the fixing pin facing the protective cover has an inclined surface.

[0011] In a further embodiment, two fixing holes are symmetrically opened on one side of the outer wall of the protective shell, and a guide wire for moving the detection line and the detection head is installed in the fixing holes of the protective shell.

[0012] In a further embodiment, a positioning groove matching the size of the protective cover is provided on one inner wall of the protective shell, and a handle is installed on one outer wall of the protective shell.

[0013] In a further embodiment, the bottom of the protective cover is fitted with two fixing blocks that fit against the upper surface of the automatic reel, and a push-pull block is installed on one side of the outer wall of the protective cover.

[0014] The technical effects and advantages of this utility model are as follows:

[0015] This portable testing device for generator set maintenance uses a rectangular pin with an inclined guide surface for fixing. Combined with the elasticity of the fixing spring, it enables one-handed operation of "pushing to lock". At the same time, pulling the fixing pin upward separates it from the protective cover. The protective cover can be quickly disassembled and assembled without the need for tools, making it especially suitable for emergency maintenance scenarios.

[0016] The automatic cable reel uses a spring-loaded energy storage structure to provide constant cable tension and uniform resistance when stretching the test cable. It can quickly adjust the length of the test cable according to maintenance needs to meet the full-size testing requirements of generator sets. After maintenance, it can automatically retract the test cable and is easy to carry with a handle. This portable testing device for generator set maintenance allows for quick removal and installation of the protective cover without tools, making it more convenient to use and maintain. It can stretch the test cable to the appropriate length as needed and can be retracted for easy storage and carrying when not in use. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the structure of this utility model without the protective cover.

[0020] Figure 3 This is a cross-sectional view of the fixing sleeve of this utility model;

[0021] Figure 4 This is a cross-sectional view of the protective cover of this utility model.

[0022] In the diagram: 1. Protective shell; 2. Protective cover; 3. Fixing sleeve; 4. Fixing pin; 5. Limiting ring; 6. Fixing spring; 7. Detector; 8. Wire guide; 9. Support base; 10. Automatic wire reel; 11. Detection wire; 12. Detection head; 13. Fixing block; 14. Push-pull block; 15. Handle. Detailed Implementation

[0023] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.

[0024] Unless otherwise defined, the directions mentioned herein, such as up, down, left, right, front, back, inside, and outside, are based on the directions shown in the figures of this utility model, and are explained here together.

[0025] This utility model provides, for example Figure 1-4 The portable testing device for generator set maintenance shown includes a protective shell 1 and a detector 7 installed inside the protective shell 1. A through groove is provided on one outer wall of the protective shell 1, and a protective cover 2 is inserted into the through groove of the protective shell 1. A positioning groove matching the size of the protective cover 2 is provided on one inner wall of the protective shell 1. The protective cover 2 is inserted into the positioning groove of the protective shell 1 to ensure the stability of the protective cover 2. A push-pull block 14 is installed on one outer wall of the protective cover 2.

[0026] The protective shell 1 has mounting holes on its surface, and a fixing sleeve 3 is fixed in the mounting holes. The upper and lower outer walls of the fixing sleeve 3 have moving grooves. A fixing pin 4 is movably connected in the moving groove of the fixing sleeve 3. The fixing pin 4 extends into the positioning groove of the protective shell 1. The surface of the protective cover 2 has a fixing groove that matches the fixing pin 4. A limit ring 5 is fixed to the outer wall of the fixing pin 4, and a fixing spring 6 for supporting the limit ring 5 is sleeved on the outside of the fixing pin 4. The pin part of the fixing pin 4 has a cuboid structure to prevent the fixing pin 4 from rotating in the fixing sleeve 3. The side of the fixing pin 4 facing the protective cover 2 has an inclined surface. The inclined surface is designed so that after the protective cover 2 is inserted into the positioning groove of the protective shell 1, it contacts the inclined surface of the fixing pin 4. As the protective cover 2 continues to move, it can automatically lift the fixing pin 4. After reaching the designated position, under the elastic force of the fixing spring 6, it pushes the limit ring 5 and the fixing pin 4 downward, so that the fixing pin 4 is inserted into the fixing groove of the protective cover 2, and the fixing of the protective cover 2 is automatically completed.

[0027] Two support seats 9 are installed on the bottom wall of the inner cavity of the protective shell 1. An automatic winding device 10 is placed in the support seat 9. The automatic winding device 10 adopts a spring energy storage structure to provide constant winding tension. The automatic winding device 10 is existing technology, and its structure will not be described in detail here. The automatic winding device 10 is equipped with a detection line 11. One end of the detection line 11 is connected to the detector 7, and the other end is equipped with a detection head 12. The detector 7 is also existing technology, and its structure will not be described in detail here. The model of the detector 7 is HCS-C204-50A. A heat dissipation groove is opened on one side of the outer wall of the protective shell 1, and a dustproof net is installed in the heat dissipation groove of the protective shell 1.

[0028] Two symmetrical fixing holes are opened on one side of the outer wall of the protective shell 1. A guide wire 8 for moving the detection line 11 and the detection head 12 is installed in the fixing holes of the protective shell 1. Both ends of the guide wire 8 are rounded to reduce friction between the detection line 11 and the guide wire 8, thus protecting the detection line 11. Two fixing blocks 13 are installed at the bottom of the protective cover 2, which fit against the upper surface of the automatic winding machine 10. When the protective cover 2 is inserted into the protective shell 1, the fixing blocks 13 fit against the surface of the automatic winding machine 10, adjusting the position of the automatic winding machine 10. Secure the automatic cable reel 10 to ensure its stability. Remove the protective cover 2 from the protective shell 1 to release the restriction of the position of the automatic cable reel 10 by the fixing block 13, making it convenient to disassemble and maintain the automatic cable reel 10. A handle 15 is bolted to one side of the outer wall of the protective shell 1. Pulling the test line 11, in conjunction with the automatic cable reel 10, allows for quick adjustment of the length of the test line 11 according to maintenance needs, meeting the full-size testing requirements of the generator set. After maintenance, the test line 11 can be automatically retracted, and with the handle 15, it is more convenient to carry.

[0029] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The control method of this utility model is through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0030] In the description of this utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0031] Working principle:

[0032] This portable testing device for generator set maintenance involves stretching the testing head 12, releasing the spring in the automatic winding device 10, extending the testing line 11 to the required length, guiding the wire to move in a straight line with the wire guide 8, bringing the testing head 12 to the part of the generator set to be tested, and the detector 7 testing the generator set. After completion, the testing line 11 is retracted by the automatic winding device 10.

[0033] When maintenance is required on the components inside the protective shell 1, pull the fixing pin 4 upward to separate the fixing pin 4 from the protective cover 2. Use the push-pull block 14 to remove the protective cover 2 from the protective shell 1 and perform maintenance on the components inside the protective shell 1. After the maintenance is completed, insert the protective cover 2 back into the protective shell 1. After the protective cover 2 is inserted into the positioning groove of the protective shell 1, it contacts the inclined surface of the fixing pin 4. As the protective cover 2 continues to move, it can automatically push the fixing pin 4 up. After reaching the designated position, under the elastic force of the fixing spring 6, it pushes the limiting ring 5 and the fixing pin 4 downward to insert the fixing pin 4 into the fixing groove of the protective cover 2, thus automatically completing the fixing of the protective cover 2.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A portable testing device for generator set maintenance, comprising a protective housing (1) and a detector (7) installed inside the protective housing (1), characterized in that: The protective shell (1) has a through groove on one side of its outer wall, and a protective cover (2) is inserted into the through groove of the protective shell (1). The protective shell (1) has an installation hole on its surface, and a fixing sleeve (3) is fixed in the installation hole. The upper and lower outer walls of the fixing sleeve (3) have movable grooves. A fixing pin (4) is movably connected in the movable groove of the fixing sleeve (3). The surface of the protective cover (2) has a fixing groove that matches the fixing pin (4). Two support seats (9) are installed on the bottom wall of the inner cavity of the protective shell (1). An automatic reel (10) is placed in the support seat (9), and a detection line (11) is provided in the automatic reel (10). One end of the detection line (11) is connected to the detector (7), and the other end is equipped with a detection head (12).

2. The portable testing device for generator set maintenance according to claim 1, characterized in that: A limiting ring (5) is fixed to the outer wall of the fixing pin (4), and a fixing spring (6) for supporting the limiting ring (5) is sleeved on the outside of the fixing pin (4).

3. A portable testing device for generator set maintenance according to claim 2, characterized in that: The pin portion of the fixing pin (4) is a cuboid structure, and the fixing pin (4) has an inclined surface on the side facing the protective cover (2).

4. A portable testing device for generator set maintenance according to claim 1, characterized in that: Two fixing holes are symmetrically opened on one side of the outer wall of the protective shell (1). A wire guide (8) for moving the detection line (11) and the detection head (12) is installed in the fixing holes of the protective shell (1).

5. A portable testing device for generator set maintenance according to claim 1, characterized in that: The inner wall of one side of the protective shell (1) is provided with a positioning groove that matches the size of the protective cover (2), and a handle (15) is installed on the outer wall of one side of the protective shell (1).

6. A portable testing device for generator set maintenance according to claim 1, characterized in that: The bottom of the protective cover (2) is fitted with two fixing blocks (13) that fit against the upper surface of the automatic reel (10), and a push-pull block (14) is installed on one side of the outer wall of the protective cover (2).

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