Vacuum circuit breaker testing device
Through the combined design of the limit ring, inner and outer elastic jaws, limit rods and positioning columns, the shortcomings of clamping and limiting structures in the vacuum circuit breaker test device are solved, and multi-dimensional compatibility and ease of testing are improved, ensuring the accuracy of the test.
Patent Information
- Application Number
- CN202421373145.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-15
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-06-15
AI Technical Summary
The prior art does not disclose in detail the specific structures for clamping and limiting in the vacuum circuit breaker test device, resulting in insufficient ease of use of the test device.
The combination design of the limit ring, inner and outer elastic jaws, limit rods and positioning columns is adopted to form a wrapped clamping vacuum circuit breaker, and the position of the vacuum circuit breaker to be measured is stabilized through internal and external spacing wiring to avoid testing errors caused by shaking.
Compatible clamping for vacuum circuit breakers of multiple sizes is achieved, improving testing ease of use and stability, and ensuring testing accuracy.
Smart Images

Figure CN223296102U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of vacuum circuit breaker testing, and in particular relates to a vacuum circuit breaker testing device. Background Art
[0002] The publication number is CN201663094U, the subject name is the utility model patent for vacuum circuit breaker, its IPC classification number is H01H33 / 66, and its technical solution discloses "including a measurement and control circuit module 1 and an electrical anti-trip module 2, the measurement and control circuit module 1 is connected to the measurement and control device, the electrical anti-trip module 2 includes an anti-trip control branch composed of a first interlocking travel switch L1, a first auxiliary normally closed switch y1, a first circuit breaker auxiliary normally open switch b, a first energy storage travel switch LS1 and a closing coil CC, the anti-trip control branch is connected in series with the first switch KK1 and the power supply to form a power supply circuit, and a self-holding branch composed of a second interlocking travel switch L2, a second auxiliary normally closed switch y2 and an anti-trip relay y is connected in parallel at both ends of the anti-trip control branch."
[0003] Thus, the above utility model patent discloses a vacuum circuit breaker and discloses the connection of a measurement and control circuit module to a measurement and control device. However, the technical solution disclosed in the above utility model patent does not further disclose the specific structure of the measurement and control device, especially the relevant structure for clamping and limiting the vacuum circuit breaker in the measurement and control device, which requires further improvement. Utility Model Content
[0004] The utility model aims at the existing technical situation, overcomes the above defects, and provides a vacuum circuit breaker testing device.
[0005] The utility model adopts the following technical solutions, and the vacuum circuit breaker testing device includes:
[0006] A positioning plate, wherein the limiting ring is located on one side of the positioning plate and is fixedly connected to the positioning plate;
[0007] The limiting ring is provided with a limiting ring top, a limiting ring transition portion and a limiting ring side portion. One end of the limiting ring top is integrally formed with one end of the limiting ring transition portion, and the other end of the limiting ring top transition portion is integrally formed with one end of the limiting ring side portion. The limiting ring top located at the top and the limiting ring transition portions and limiting ring side portions located on both sides enclose a receiving space.
[0008] Multiple inner elastic clamping claws are provided with an inner main body and an inner bending part integrally formed with the inner main body. The inner main body is fixedly connected to the side of the limiting ring, and the free end of the inner bending part is bent toward the accommodating space.
[0009] As a further preferred technical solution of the above technical solution, the vacuum circuit breaker testing device also includes a plurality of outer elastic clamps, the outer elastic clamps are provided with an outer main body and an outer bending portion integrally formed with the outer main body, the outer main body is fixedly connected to the side of the limit ring, the free end of the outer bending portion is bent in a direction away from the accommodating space, and there is an outer spacing between adjacent outer elastic clamps.
[0010] As a further preferred technical solution of the above technical solution, the vacuum circuit breaker testing device also includes a limit rod and a limit nut. The limit rod is provided with a gripping end and an abutting end integrally formed with the gripping end. The abutting end is internally connected to and threadedly connected to the top of the limit ring. The limit nut is externally connected to and threadedly connected to the abutting end.
[0011] As a further preferred technical solution of the above technical solution, the vacuum circuit breaker testing device further comprises a plurality of positioning posts, which are fixedly connected to the positioning plate respectively, and are respectively located at the four corners of the positioning plate.
[0012] As a further preferred technical solution of the above technical solution, the number of the inner elastic clamping jaws is 4; the number of the outer elastic clamping jaws is 4.
[0013] The vacuum circuit breaker testing device disclosed in the utility model has the following beneficial effects:
[0014] 1. The top of the limiting ring at the top and the limiting ring transition parts and the limiting ring sides on both sides together form an accommodating space for accommodating and limiting the vacuum circuit breaker to be tested. The accommodating space extends to the other end of the limiting ring side so as to "wrap around" the vacuum circuit breaker to be tested.
[0015] 2. The wiring harness used to connect the vacuum circuit breaker to be tested can be uniformly routed (wired) through the inner spacing and outer spacing, thereby improving the ease of testing. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional diagram from a top-down perspective of this application.
[0017] Figure 2 It is a stereogram of the style perspective of this application.
[0018] Figure 3 It is a top view of this application.
[0019] The reference numerals include: 110-positioning plate; 120-limiting ring; 121-limiting ring top; 122-limiting ring transition part; 123-limiting ring side; 124-accommodating space; 130-inner elastic clamping claw; 131-inner main body; 132-inner bending part; 133-inner spacing; 140-outer elastic clamping claw; 141-outer main body; 142-outer bending part; 143-outer spacing; 150-limiting rod; 151-holding end; 152-abutting end; 160-limiting nut; 170-positioning column. DETAILED DESCRIPTION
[0020] The utility model discloses a vacuum circuit breaker test device, which is described in conjunction with the preferred embodiment (Example 1) and the accompanying drawings. Figure 3 , the specific implementation methods of the utility model are further described.
[0021] See attached figure Figures 1 to 3 , Figures 1 to 3 The vacuum circuit breaker test device is shown in different perspectives.
[0022] Example 1 (mostly adopts one-piece molding).
[0023] Preferably, the vacuum circuit breaker testing device is used for "wrapping" clamping and limiting the vacuum circuit breaker to be tested (not shown in the figure, the same below), and the vacuum circuit breaker testing device includes:
[0024] The positioning plate 110 and the limiting ring 120 are located on one side of the positioning plate 110 and are fixedly connected to the positioning plate 110;
[0025] The limiting ring 120 is provided with a limiting ring top 121, a limiting ring transition portion 122 and a limiting ring side portion 123. One end of the limiting ring top 121 is integrally formed with one end of the limiting ring transition portion 122, and the other end of the limiting ring top transition portion 122 is integrally formed with one end of the limiting ring side portion 123, so that the limiting ring top 121 at the top and the limiting ring transition portions 122 and limiting ring side portions 123 on the (left and right) sides enclose and form an accommodating space 124 for accommodating and limiting the vacuum circuit breaker to be tested. The accommodating space 124 extends to the other end of the limiting ring side portion 123, so as to "wrap" the vacuum circuit breaker to be tested;
[0026] Multiple inner elastic clamping jaws 130 are provided, and the inner elastic clamping jaws 130 are provided with an inner main body 131 and an inner bending portion 132 integrally formed with the inner main body 131. The inner main body 131 (one side) is fixedly connected to the (inner surface) of the limit ring side portion 123, and the free end of the inner bending portion 132 (the end away from the inner main body 131) is bent toward the center of the accommodating space 124; so that the vacuum circuit breaker testing device disclosed in the present utility model can be compatible with vacuum circuit breakers of various sizes to be tested at the same time; there is an inner spacing 133 between adjacent inner elastic clamping jaws 130 (located on the same side), so that the wiring harness used to connect the vacuum circuit breaker to be tested can be uniformly routed (wired) through the inner spacing 133, thereby improving the ease of testing.
[0027] Among them, the vacuum circuit breaker testing device also includes a plurality of outer elastic clamps 140, the outer elastic clamps 140 are provided with an outer main body 141 and an outer bending portion 142 integrally formed with the outer main body 141, the outer main body 141 (one side) is fixedly connected to the limit ring side 123 (outer surface), the free end of the outer bending portion 142 (the end away from the outer main body 141) is bent in a direction away from the center of the accommodating space 124, and there is an outer spacing 143 between adjacent outer elastic clamps 140 (located on the same side); so that the wiring harness used to connect the vacuum circuit breaker to be tested can be further routed (wired) through the outer spacing 143, thereby further improving the ease of testing.
[0028] Among them, the vacuum circuit breaker testing device also includes a limit rod 150 and a limit nut 160. The limit rod 150 is provided with a gripping end 151 (with a larger inner diameter) and an abutting end 152 (with a smaller inner diameter) integrally formed with the gripping end 151. The abutting end 152 is internally connected to and threadedly connected to the top 121 of the limit ring. The limit nut 160 is externally connected to and threadedly connected to the abutting end 152, so that the limit nut 160 further abuts against the lower surface of the top 121 of the limit ring; when the vacuum circuit breaker to be tested is placed in the accommodating space 124, the user can tighten or loosen the limit rod 150 (and operate in conjunction with the limit nut 160 when necessary) so that the abutting end 152 just abuts against the top of the vacuum circuit breaker to be tested, so as to further stabilize the relative position relationship of the vacuum circuit breaker to be tested and avoid test errors caused by shaking of the vacuum circuit breaker.
[0029] Among them, the vacuum circuit breaker testing device also includes a plurality of positioning columns 170, which are fixedly connected to the positioning plate 110 respectively. The positioning columns 170 are respectively located at the four corners of the positioning plate 110 so as to temporarily wrap the wiring harness used to connect the vacuum circuit breaker to be tested, thereby playing a role of temporary storage.
[0030] The number of the inner elastic clamping claws 130 is preferably four.
[0031] The number of the outer elastic clamping claws 140 is preferably four.
[0032] Example 2 (mostly using fixed connection).
[0033] Preferably, the vacuum circuit breaker testing device is used for "wrapping" clamping and limiting the vacuum circuit breaker to be tested (not shown in the figure, the same below), and the vacuum circuit breaker testing device includes:
[0034] The positioning plate 110 and the limiting ring 120 are located on one side of the positioning plate 110 and are fixedly connected to the positioning plate 110;
[0035] The limiting ring 120 is provided with a limiting ring top 121, a limiting ring transition portion 122 and a limiting ring side portion 123. One end of the limiting ring top 121 is fixedly connected to one end of the limiting ring transition portion 122, and the other end of the limiting ring top transition portion 122 is fixedly connected to one end of the limiting ring side portion 123, so that the limiting ring top 121 at the top and the limiting ring transition portions 122 and limiting ring side portions 123 on the (left and right) sides enclose and form an accommodating space 124 for accommodating and limiting the vacuum circuit breaker to be tested. The accommodating space 124 extends to the other end of the limiting ring side portion 123, so as to "wrap" the vacuum circuit breaker to be tested;
[0036] Multiple inner elastic clamping jaws 130 are provided, and the inner elastic clamping jaws 130 are provided with an inner main body 131 and an inner bending portion 132 fixedly connected to the inner main body 131. The inner main body 131 (one side) is fixedly connected to the (inner surface) of the limit ring side portion 123, and the free end of the inner bending portion 132 (the end away from the inner main body 131) is bent toward the center of the accommodating space 124; so that the vacuum circuit breaker testing device disclosed in the utility model can be compatible with vacuum circuit breakers of various sizes to be tested at the same time; there is an inner spacing 133 between adjacent inner elastic clamping jaws 130 (located on the same side), so that the wiring harness used to connect the vacuum circuit breaker to be tested can be uniformly routed (wired) through the inner spacing 133, thereby improving the ease of testing.
[0037] Among them, the vacuum circuit breaker testing device also includes a plurality of outer elastic clamps 140, the outer elastic clamps 140 are provided with an outer main body 141 and an outer bending portion 142 fixedly connected to the outer main body 141, the outer main body 141 (one side) is fixedly connected to the (outer surface) of the limit ring side 123, the free end of the outer bending portion 142 (the end away from the outer main body 141) is bent in a direction away from the center of the accommodating space 124, and an outer spacing 143 is provided between adjacent outer elastic clamps 140 (located on the same side); so that the wiring harness used to connect the vacuum circuit breaker to be tested can be further routed (wired) through the outer spacing 143, thereby further improving the ease of testing.
[0038] Among them, the vacuum circuit breaker testing device also includes a limit rod 150 and a limit nut 160. The limit rod 150 is provided with a gripping end 151 (with a larger inner diameter) and an abutting end 152 (with a smaller inner diameter) fixedly connected to the gripping end 151. The abutting end 152 is inscribed in and threadedly connected to the top 121 of the limit ring. The limit nut 160 is extrinsic to and threadedly connected to the abutting end 152, so that the limit nut 160 further abuts against the lower surface of the top 121 of the limit ring. When the vacuum circuit breaker to be tested is placed in the accommodating space 124, the user can tighten or loosen the limit rod 150 (and operate in conjunction with the limit nut 160 when necessary) so that the abutting end 152 just abuts against the top of the vacuum circuit breaker to be tested, so as to further stabilize the relative position relationship of the vacuum circuit breaker to be tested and avoid test errors caused by shaking of the vacuum circuit breaker.
[0039] Among them, the vacuum circuit breaker testing device also includes a plurality of positioning columns 170, which are fixedly connected to the positioning plate 110 respectively. The positioning columns 170 are respectively located at the four corners of the positioning plate 110 so as to temporarily wrap the wiring harness used to connect the vacuum circuit breaker to be tested, thereby playing a role of temporary storage.
[0040] The number of the inner elastic clamping claws 130 is preferably four.
[0041] The number of the outer elastic clamping claws 140 is preferably four.
[0042] It is worth mentioning that the technical features such as the material of the inner elastic clamp 130 involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial arrangement method of these technical features can be selected by conventional means in the field and should not be regarded as the inventive point of this utility model patent. This utility model patent will not be further elaborated.
[0043] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.
Claims
1. A vacuum circuit breaker testing device, characterized in that: include: A positioning plate, wherein the limiting ring is located on one side of the positioning plate and is fixedly connected to the positioning plate; The limiting ring is provided with a limiting ring top, a limiting ring transition portion and a limiting ring side portion. One end of the limiting ring top is integrally formed with one end of the limiting ring transition portion, and the other end of the limiting ring top transition portion is integrally formed with one end of the limiting ring side portion. The limiting ring top located at the top and the limiting ring transition portions and limiting ring side portions located on both sides enclose a receiving space. Multiple inner elastic clamping claws are provided with an inner main body and an inner bending part integrally formed with the inner main body. The inner main body is fixedly connected to the side of the limiting ring, and the free end of the inner bending part is bent toward the accommodating space.
2. The vacuum circuit breaker testing device according to claim 1, characterized in that: The vacuum circuit breaker testing device also includes a plurality of outer elastic clamps, each of which is provided with an outer main body and an outer bending portion integrally formed with the outer main body. The outer main body is fixedly connected to the side of the limit ring, and the free end of the outer bending portion is bent in a direction away from the accommodating space. There is an outer spacing between adjacent outer elastic clamps.
3. The vacuum circuit breaker testing device according to claim 1, characterized in that: The vacuum circuit breaker test device also includes a limit rod and a limit nut. The limit rod is provided with a gripping end and an abutting end integrally formed with the gripping end. The abutting end is internally connected to and threadedly connected to the top of the limit ring. The limit nut is externally connected to and threadedly connected to the abutting end.
4. The vacuum circuit breaker testing device according to claim 1, characterized in that: The vacuum circuit breaker testing device further comprises a plurality of positioning posts, which are respectively fixedly connected to the positioning plates and are respectively located at the four corners of the positioning plates.
5. The vacuum circuit breaker testing device according to claim 2, characterized in that: The number of inner elastic clamping jaws is 4; the number of outer elastic clamping jaws is 4.
Citation Information
Patent Citations
Vacuum circuit breaker
CN201663094U