Miniature circuit breaker delay testboard

Abstract

The utility model discloses a miniature circuit breaker time-delay test bench. The miniature circuit breaker time-delay test bench comprises a test bench body, the conveyor belt is used for continuously conveying the miniature circuit breaker; the first blocking assemblies are arranged on the two sides of the conveying belt and used for blocking the miniature circuit breaker from continuing to advance; the second blocking assemblies are arranged on the two sides of the conveying belt and located behind the first blocking assemblies, and the second blocking assemblies are used for blocking the miniature circuit breaker from continuing to advance; and the test assembly is located between the first blocking assembly and the second blocking assembly, and the test assembly is used for fixing the miniature circuit breaker and testing the electrical performance of the miniature circuit breaker. Through the above design, the small-sized circuit breaker testing device does not need to be operated by a worker, and a plurality of small-sized circuit breakers can be tested each time, so that large-scale testing of the small-sized circuit breakers is realized, and the product has the advantages of improving the testing efficiency and reducing the manufacturing cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic equipment technical field especially, it relates to a small circuit breaker delay test board. BACKGROUND

[0002] ‌Small circuit breaker delay test board is a kind of test instrument for testing the delay action characteristic of circuit breaker in short-circuit fault. It can simulate short-circuit fault in actual circuit, and assess the protection performance of circuit breaker by testing its action time.

[0003] In testing, test personnel need to first use hand to place the circuit breaker to be tested on the test tool, then press the start button, and the clamping device is driven by two air cylinders to fix the circuit breaker, and at the same time, the conducting part is inserted into the wiring hole of the circuit breaker and electrically connected with the circuit breaker. However, the above-mentioned circuit breaker test efficiency is low, and cannot meet mass production, resulting in rising manufacturing cost. Therefore, the applicant has made beneficial design and found a method to solve the above-mentioned problems. The technical scheme to be introduced below is generated in this background. SUMMARY

[0004] The utility model discloses a kind of to overcome the deficiencies of the clamping device design of the above-mentioned conventional small circuit breaker delay test board, and provide a product with improved test efficiency and reduced manufacturing cost.

[0005] A small circuit breaker delay test board, comprising: a conveyor belt for continuously conveying small circuit breakers; a first blocking assembly disposed on both sides of the conveyor belt for blocking the small circuit breakers from continuing to travel; a second blocking assembly disposed on both sides of the conveyor belt and located behind the first blocking assembly, the second blocking assembly for blocking the small circuit breakers from continuing to travel; a test assembly located between the first blocking assembly and the second blocking assembly, the test assembly for fixing the small circuit breakers and testing their electrical performance; and a lifting assembly disposed below the test assembly for conveying the small circuit breakers to the test position of the test assembly.

[0006] Preferably, guardrails are provided on both sides of the conveyor belt, the guardrails are provided with first sensors, and are used to detect the small circuit breakers in front of the first blocking assembly.

[0007] Preferably, the utility model further comprises a support, one side of the support is provided with a second sensor, and the support is used to detect the small circuit breakers in front of the second blocking assembly.

[0008] Preferably, the first blocking assembly and the second blocking assembly comprise blocking air cylinders, the blocking air cylinders are provided with first linkage plates, the first linkage plates are provided with first guide rods on both sides, the first guide rods are provided with blocking plates, and the blocking plates are disposed on both sides of the conveyor belt.

[0009] Preferably, the lifting assembly comprises a lifting cylinder, a piston rod of the lifting cylinder is provided with a second linkage plate, four corners of the second linkage plate are provided with second guide rods, a supporting plate is arranged between every two second guide rods, and the supporting plate is arranged on both sides of the conveying belt, and the supporting plate is provided with a supporting groove.

[0010] Preferably, the test assembly comprises a test table, the test table is provided with a test through hole, one side of the test through hole is provided with a first abutting block, the test through hole is provided with a second abutting block and located on one side of the first abutting block, an opposite side of the first abutting block is provided with a first cylinder, a piston rod of the first cylinder is provided with a first top block, an opposite side of the second abutting block is provided with a second cylinder, and a piston rod of the second cylinder is provided with a second top block.

[0011] Preferably, two sides of the test table are provided with third cylinders, a piston rod of the third cylinder is provided with a pushing block, and the pushing block is provided with a plurality of conductive parts. Beneficial effects

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a conveying belt continuously conveys miniature circuit breakers, and the first blocking assembly and the second blocking assembly divide the miniature circuit breakers that have not been tested, are to be tested or have been tested, the lifting assembly conveys the miniature circuit breaker to be tested to the lower side of the test through hole, the first cylinder and the second cylinder are used for fixing the miniature circuit breaker, the third cylinder is used for inserting the conductive part into the wiring hole of the miniature circuit breaker, and the above-mentioned structure design does not need the staff to operate, a plurality of miniature circuit breakers can be tested each time, mass testing of the miniature circuit breaker is realized, and the product has the advantages of improving testing efficiency and reducing manufacturing cost. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a structure diagram of the utility model discloses a miniature circuit breaker delay test table Figure One ;

[0015] Figure 2 It is a top view of the utility model discloses a miniature circuit breaker delay test table's exploded structure

[0016] Figure 3 It is a front view of the utility model discloses a miniature circuit breaker delay test table

[0017] Figure 4 It is a structure diagram of the utility model discloses a miniature circuit breaker delay test table Figure Two ;

[0018] Figure 5The utility model discloses a small circuit breaker delay test bench's structure schematic Figure Three ;

[0019] The corresponding relationship between the various reference signs and the component names in the drawings is as follows:

[0020] Reference signs: 1, conveying belt;2, first blocking assembly;3, second blocking assembly;4, test assembly;5, lifting assembly;6, support;7, blocking cylinder;

[0021] 11, guardrail;12, first sensor;

[0022] 41, test bench;42, first abutting block;43, first cylinder;44, second cylinder;45, third cylinder;46, second abutting block;

[0023] 411, test through hole;

[0024] 431, first top block;

[0025] 441, second top block;

[0026] 451, push block;452, conducting part;

[0027] 51, lifting cylinder;52, second linkage plate;53, second guide rod;54, supporting plate;

[0028] 541, supporting groove;

[0029] 61, second sensor;

[0030] 71, first linkage plate;72, first guide rod;73, blocking plate. DETAILED DESCRIPTION

[0031] The technical scheme of the utility model will be described below in conjunction with the embodiments, obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0032] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0033] In the embodiments of the utility model, "and / or" is only a description of the association relationship of the associated objects, and indicates that three relationships can exist, for example, A and / or B can indicate that A exists alone, A and B exist simultaneously, and B exists alone.

[0034] Reference example Figures 1 to 5 A small circuit breaker delay test platform, comprising: a conveyor belt 1 for continuously conveying small circuit breakers; a first blocking assembly 2 arranged on both sides of the conveyor belt 1 and used for blocking the small circuit breakers from continuing to travel; a second blocking assembly 3 arranged on both sides of the conveyor belt 1 and located behind the first blocking assembly 2, and used for blocking the small circuit breakers from continuing to travel; a test assembly 4 located between the first blocking assembly 2 and the second blocking assembly 3, and used for fixing the small circuit breakers and testing the electrical performance thereof; and a lifting assembly 5 arranged below the test assembly 4 and used for conveying the small circuit breakers to a test position of the test assembly 4.

[0035] It is worth mentioning that guardrails 11 are arranged on both sides of the conveyor belt 1, the guardrails 11 are provided with first sensors 12 and are used for detecting the small circuit breakers in front of the first blocking assembly 2, and the guardrails 11 are used for guiding the small circuit breakers to travel normally, and the first sensors 12 are used as a precondition for triggering the operation of the second blocking assembly 3.

[0036] It is worth mentioning that the bracket 6 is further arranged, one side of the bracket 6 is provided with a second sensor 61, and the second sensor 61 is used for detecting the small circuit breakers in front of the second blocking assembly 3, and the second sensor 61 is used as a precondition for triggering the operation of the first blocking assembly 2.

[0037] It is worth mentioning that the first blocking assembly 2 and the second blocking assembly 3 comprise blocking air cylinders 7, the blocking air cylinders 7 are provided with first linkage plates 71, both sides of the first linkage plates 71 are provided with first guide rods 72, the first guide rods 72 are provided with blocking plates 73, and the blocking plates 73 are arranged on both sides of the conveyor belt 1, and the blocking plates 73 are simultaneously lifted through the first linkage plates 71.

[0038] It is worth mentioning that the lifting assembly 5 comprises lifting air cylinders 51, a piston rod of each of the lifting air cylinders 51 is provided with a second linkage plate 52, four corners of the second linkage plate 52 are provided with second guide rods 53, a supporting plate 54 is arranged between every two second guide rods 53, and the supporting plate 54 is arranged on both sides of the conveyor belt 1, the supporting plate 54 is provided with supporting grooves 541, a plurality of second guide rods 53 and the supporting plate 54 are simultaneously lifted through the second linkage plate 52, and the supporting grooves 541 are used for stably supporting the small circuit breakers to perform lifting movement.

[0039] It is worth mentioning that the test assembly 4 includes a test table 41, the test table 41 is provided with a test through hole 411, one side of the test through hole 411 is provided with a first abutting block 42, the test through hole 411 is provided with a second abutting block 46 and is located at one side of the first abutting block 42, the opposite side of the first abutting block 42 is provided with a first air cylinder 43, the piston rod of the first air cylinder 43 is provided with a first top block 431, the opposite side of the second abutting block 46 is provided with a second air cylinder 44, the piston rod of the second air cylinder 44 is provided with a second top block 441, the left and right positions of the small circuit breaker are calibrated by the first air cylinder 43, the front and back positions of the small circuit breaker are calibrated by the second air cylinder 44, so that the third air cylinder 45 tests the small circuit breaker;

[0040] It is worth mentioning that the test table 41 is provided with a third air cylinder 45 on both sides, the piston rod of the third air cylinder 45 is provided with a pushing block 451, the pushing block 451 is provided with a plurality of conductive parts 452, and the conductive parts 452 are electrically connected with test instruments.

[0041] The use principle of the utility model will be described as follows:

[0042] When the small circuit breaker is detected by the first sensor 12 and the second sensor 61 does not detect the small circuit breaker, the piston rod of the lifting air cylinder 51 is in the extended state, the piston rod of the blocking air cylinder 7 of the second blocking assembly 3 is retracted, drives the blocking plate 73 to rise, and the PLC controller in the small circuit breaker test equipment automatically counts; when the number of small circuit breakers passing through the first sensor 12 reaches four, the piston rod of the blocking air cylinder 7 of the first blocking assembly 2 is retracted, drives the blocking plate 73 to rise, and prevents the undetected small circuit breaker from entering the detection area;

[0043] The piston rod of the lifting air cylinder 51 is retracted, drives the supporting plate 54 to rise, and transports the small circuit breaker to be detected into the test through hole 411;

[0044] The first air cylinder 43 and the second air cylinder 44 operate simultaneously, a plurality of small circuit breakers are pressed tightly on the first abutting block 42 and the second abutting block 46 through the first top block 431 and the second top block 441, and the plurality of small circuit breakers are fixed;

[0045] When the small circuit breaker is fixed, the piston rod of the third air cylinder 45 is extended, drives the pushing block 451 to move towards both ends of the small circuit breaker, inserts the conductive part 452 into the wiring hole to realize electrical connection, and when the test is completed, the piston rod of the lifting air cylinder 51 is extended, so that the supporting plate 54 is lowered;

[0046] When the second sensor 61 detects the miniature circuit breaker again, the blocking plate 73 of the second blocking assembly 3 is lowered, and the tested miniature circuit breaker is sent to the next process. When the second sensor 61 does not detect the miniature circuit breaker, the piston rod of the lifting cylinder 51 is in the extended state, the blocking plate 73 of the first blocking assembly 2 is lowered, and the blocking plate 73 of the second blocking assembly 3 is raised, thereby forming a cycle to continuously test the miniature circuit breaker.

[0047] The above design scheme can improve the testing efficiency and reduce the manufacturing cost of the product.

[0048] The above content is further described in detail in combination with the specific embodiments, and cannot be considered as limiting the specific embodiments of the utility model to the above description. For ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be considered as belonging to the protection scope determined by the claims of the utility model.

Claims

1. A miniature circuit breaker time delay test bench, characterized in that: Include; A conveyor belt (1) for continuously conveying miniature circuit breakers; A first blocking assembly (2) arranged on both sides of the conveyor belt (1) for blocking the miniature circuit breakers from continuing to travel; A second blocking assembly (3) arranged on both sides of the conveyor belt (1) behind the first blocking assembly (2), for blocking the miniature circuit breakers from continuing to travel; A test assembly (4) arranged between the first blocking assembly (2) and the second blocking assembly (3), for fixing the miniature circuit breakers and testing their electrical performance; A lifting assembly (5) arranged below the test assembly (4) for conveying the miniature circuit breakers to the test position of the test assembly (4).

2. The miniature circuit breaker time delay test bench of claim 1, wherein: The two sides of the conveyor belt (1) are provided with guardrails (11), the guardrails (11) are provided with first sensors (12), and are used for detecting the miniature circuit breakers in front of the first blocking assembly (2).

3. The miniature circuit breaker time delay test bench of claim 2, wherein: It also includes a support (6), one side of the support (6) is provided with a second sensor (61), and is used for detecting the miniature circuit breakers in front of the second blocking assembly (3).

4. The miniature circuit breaker delay test bench of claim 1, wherein: The first blocking assembly (2) and the second blocking assembly (3) include blocking cylinders (7), the blocking cylinders (7) are provided with first linkage plates (71), the two sides of the first linkage plates (71) are provided with first guide rods (72), the first guide rods (72) are provided with blocking plates (73), and are arranged on both sides of the conveyor belt (1).

5. The miniature circuit breaker delay test bench of claim 1, wherein: The lifting assembly (5) includes lifting cylinders (51), the piston rods of the lifting cylinders (51) are provided with second linkage plates (52), four corners of the second linkage plates (52) are provided with second guide rods (53), a supporting plate (54) is arranged between every two second guide rods (53), and is arranged on both sides of the conveyor belt (1), the supporting plate (54) is provided with a supporting groove (541).

6. The miniature circuit breaker delay test bench of claim 1, wherein: The test assembly (4) includes a test table (41), the test table (41) is provided with a test through hole (411), one side of the test through hole (411) is provided with a first abutting block (42), the test through hole (411) is provided with a second abutting block (46) located on one side of the first abutting block (42), an opposite side of the first abutting block (42) is provided with a first cylinder (43), a piston rod of the first cylinder (43) is provided with a first top block (431), an opposite side of the second abutting block (46) is provided with a second cylinder (44), a piston rod of the second cylinder (44) is provided with a second top block (441).

7. The miniature circuit breaker delay test bench of claim 6, wherein: Third cylinders (45) are arranged on both sides of the test table (41), piston rods of the third cylinders (45) are provided with pushing blocks (451), the pushing blocks (451) are provided with a plurality of conductive parts (452).

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