Manual testing device for breaker release

Abstract

The utility model discloses a breaker release manual test device comprising a bottom plate, the top of the bottom plate is provided with a manual elevator, the elevating end of the manual elevator is fixedly connected with an adjusting plate, the top of the adjusting plate is fixedly connected with a support block and a guide rail in sequence, the outer side of the guide rail is slidably connected with a slide block, and the slide block is fixedly connected with the support block. The top of the sliding block is fixedly connected with a supporting plate, the top of the supporting plate is fixedly provided with a dynamometer, the supporting block is in threaded connection with a lead screw used for pushing the dynamometer, the lead screw, the supporting block, the supporting plate, the guide rail and the sliding block are arranged so that the dynamometer can horizontally apply force to the tripper, the force applying directions are the same, and the force applying efficiency is greatly improved. The testing accuracy is improved, the height of the dynamometer can be adjusted through the arranged manual elevator so as to be suitable for trippers of different models, the application range is expanded, meanwhile, the dynamometer can be automatically reset through the arranged tension spring, and the use convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of release testing, in particular to a manual testing device for a circuit breaker release. Background Art

[0002] The main function of the circuit breaker release is to start and cut off the power supply when certain faults occur in the line, such as leakage, short circuit, overload or undervoltage, thereby playing a protective role. The tripping force of the circuit breaker release needs to meet relevant requirements, so it will be tested.

[0003] At present, when testing the tripping force of a circuit breaker release, the release is usually installed on the circuit breaker, and then a handheld dynamometer is used to contact the release to test its tripping force. However, since this method uses a handheld dynamometer, the force is applied in a different direction each time, and it is impossible to apply force to the release horizontally, resulting in inaccurate test results and large errors. Utility Model Content

[0004] The purpose of the utility model is to provide a manual testing device for a circuit breaker release to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manual testing device for a circuit breaker release, comprising a base plate, a manual lifter is installed on the top of the base plate, an adjusting plate is fixedly connected to the lifting end of the manual lifter, a support block and a guide rail are fixedly connected to the top of the adjusting plate in sequence, a slider is slidably connected to the outer side of the guide rail, a support plate is fixedly connected to the top of the slider, a dynamometer is fixedly installed on the top of the support plate, and a screw rod for pushing the dynamometer is threadedly connected to the support block.

[0006] As a preferred solution of the utility model, one end of the screw rod is fixedly connected to a hand wheel.

[0007] As a preferred solution of the utility model, a tension spring is installed at one end of the slider, and the end of the tension spring away from the slider is connected to the support block.

[0008] As a preferred solution of the utility model, a plurality of limit rods are fixedly connected to the top of the bottom plate, and the adjustment plate is slidably connected to the limit rods.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model enables the dynamometer to apply force to the releaser horizontally through the provision of the screw rod, support block, support plate, guide rail and slider, and the force is applied in the same direction each time, thereby improving the accuracy of the test, and the height of the dynamometer can be adjusted through the provision of a manual lift to adapt to different models of releasers, thereby expanding the scope of use, and at the same time, the dynamometer can be automatically reset through the provision of a tension spring, thereby improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0011] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model after removing the dynamometer and the support plate.

[0012] In the figure: 1. base plate; 2. manual lift; 3. adjustment plate; 4. limit rod; 5. support plate; 6. guide rail; 7. slider; 8. screw rod; 9. hand wheel; 10. support block; 11. tension spring; 12. dynamometer. DETAILED DESCRIPTION

[0013] 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.

[0014] See also Figure 1 to Figure 2 The utility model provides a technical solution: a manual test device for a circuit breaker release, comprising a base plate 1, a manual lifter 2 is installed on the top of the base plate 1, the manual lifter 2 is used to adjust the height of the adjustment plate 3, and then adjust the height of the dynamometer 12, so as to adapt to different types of releasers, the lifting end of the manual lifter 2 is fixedly connected with the adjustment plate 3, the top of the adjustment plate 3 is fixedly connected with a support block 10 and a guide rail 6 in sequence, the outer side of the guide rail 6 is slidably connected with a slider 7, the top of the slider 7 is fixedly connected with a support plate 5, the top of the support plate 5 is fixedly installed with a dynamometer 12, the support block 10 is threadedly connected with a screw rod 8 for pushing the dynamometer 12, the screw rod 8 converts rotation into displacement, so that the movement of the dynamometer 12 is more precise and delicate, and the slider 7 and the guide rail 6 cooperate to make the dynamometer 12 more stable during movement, and no deviation occurs, so that the dynamometer 12 can apply force to the releaser horizontally, thereby improving the accuracy of the test.

[0015] One end of the screw rod 8 is fixedly connected to a hand wheel 9 , and the hand wheel 9 is convenient for the staff to rotate the screw rod 8 .

[0016] Among them, a tension spring 11 is installed at one end of the slider 7. The tension spring 11 is used to automatically reset the slider 7, and then the dynamometer 12 can be automatically reset to improve the convenience of use. The end of the tension spring 11 away from the slider 7 is connected to the support block 10.

[0017] Among them, a plurality of limit rods 4 are fixedly connected to the top of the base plate 1, and the limit rods 4 are used to limit the adjustment plate 3, so that the adjustment plate 3 is more stable when adjusting the height, and the adjustment plate 3 is slidably connected to the limit rods 4.

[0018] Specifically, when in use, the circuit breaker equipped with the release to be tested is placed on the base plate 1, and the height of the dynamometer 12 is adjusted by the manual lifter 2 so that the dynamometer 12 and the release are at the same horizontal height, and then the screw rod 8 is rotated by the hand wheel 9, and the screw rod 8 pushes the dynamometer 12 to move close to the release, and the dynamometer 12 drives the support plate 5 to move, and the support plate 5 drives the slider 7 to move, and the slider 7 stretches the tension spring 11, and then the detection end of the dynamometer 12 contacts the release until the release is tripped, and the value of the dynamometer 12 when the trip occurs is recorded, and the test is completed. After the test is completed, the screw rod 8 is rotated by the hand wheel 9 to reset it, and the slider 7 will automatically reset under the action of the tension spring 11, and the slider 7 drives the dynamometer 12 to automatically reset through the support plate 5, thereby improving the convenience of use.

[0019] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0020] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0021] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A manual testing device for a circuit breaker release, comprising a base plate (1), characterized in that: A manual lift (2) is installed on the top of the base plate (1), the lifting end of the manual lift (2) is fixedly connected to an adjustment plate (3), the top of the adjustment plate (3) is fixedly connected to a support block (10) and a guide rail (6) in sequence, the outer side of the guide rail (6) is slidably connected to a slider (7), the top of the slider (7) is fixedly connected to a support plate (5), the top of the support plate (5) is fixedly installed with a dynamometer (12), and a screw rod (8) for pushing the dynamometer (12) is threadedly connected to the support block (10).

2. A manual testing device for circuit breaker release according to claim 1, characterized in that: One end of the screw rod (8) is fixedly connected to a hand wheel (9).

3. A manual testing device for circuit breaker release according to claim 1, characterized in that: A tension spring (11) is installed at one end of the slider (7), and the end of the tension spring (11) away from the slider (7) is connected to the support block (10).

4. A manual testing device for circuit breaker release according to claim 1, characterized in that: A plurality of limiting rods (4) are fixedly connected to the top of the bottom plate (1), and the adjustment plate (3) is slidably connected to the limiting rods (4).

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