Counter for testing circuit breaker

Abstract

The utility model belongs to the technical field of detection equipment, and discloses a counter for testing a circuit breaker, which comprises a main frame and an operating mechanism, the main frame comprises an upper frame part, a test bedplate, a lower frame part and a bottom plate which are sequentially arranged from top to bottom, a plurality of upper side plates are arranged on the peripheral side of the upper frame part, and a plurality of lower side plates are arranged on the peripheral side of the lower frame part. The plurality of upper side plates and the test bedplate jointly form a test space, the test bedplate, the bottom plate and the plurality of lower side plates jointly form an accommodating space, the circuit breaker is arranged in the test space and is supported on the test bedplate, the test equipment is arranged in the accommodating space and is supported on the bottom plate, and the operating mechanism comprises an operating panel and a moving assembly. The operation panel is in communication connection with the test equipment, the test equipment is used for being in communication connection with the circuit breaker, and the operation panel is arranged on the upper frame part through the moving assembly. The counter for testing the circuit breaker can reliably and effectively protect the circuit breaker and the testing equipment respectively, is convenient to control, and improves the testing efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field especially relates to a cabinet for circuit breaker test. BACKGROUND

[0002] In the production process of circuit breaker, the circuit breaker needs to be tested for on-off, delay and other electrical properties. In the prior art, a simple rack is generally needed during the above-mentioned testing process, and the circuit breaker to be tested is placed on the rack, and low-voltage components, DC voltage resistance instrument and other testing equipment needed are also placed. However, in the prior art, the simple rack mostly only provides support function, and the protection and insulation protection of the circuit breaker are poor, and the external environment can easily affect the circuit breaker. In addition, the operator needs to set up multiple testing equipment, which is not convenient to operate, and also affects the overall testing efficiency. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a cabinet for circuit breaker test, which can reliably and effectively protect the circuit breaker and the testing equipment, and is convenient to control, ensuring the operator's convenient operation and improving the testing efficiency.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] A cabinet for circuit breaker test comprises:

[0006] A main frame comprises an upper frame portion, a test table plate, a lower frame portion and a bottom plate arranged in sequence from top to bottom, a plurality of upper side plates are arranged on the periphery of the upper frame portion, a plurality of lower side plates are arranged on the periphery of the lower frame portion, the test table plate and the plurality of upper side plates form a test space together, the test table plate, the bottom plate and the plurality of lower side plates form a containing space together, the test space is used for placing the circuit breaker, and the circuit breaker is placed on the test table plate, and the containing space is provided with testing equipment, and the testing equipment is arranged on the bottom plate;

[0007] An operating mechanism comprises an operating panel and a moving assembly, the operating panel is communicatively connected with the testing equipment, the testing equipment is used for communicatively connecting with the circuit breaker, the operating panel is arranged on the upper frame portion through the moving assembly, and the moving assembly is used for controlling the movement of the operating panel relative to the upper frame portion.

[0008] As a preferred, the moving assembly comprises a basal segment, a first arm segment and a second arm segment, the basal segment is arranged on the upper frame portion, the first arm segment extends in the horizontal direction, the second arm segment extends in the vertical direction, the first end of the first arm segment is connected with the basal segment, the second end of the first arm segment is connected with the first end of the second arm segment, and the second end of the second arm segment is connected with the operating panel.

[0009] The first arm segment is rotatably connected to the base segment; and / or,

[0010] The second arm segment is rotatably connected to the operation panel.

[0011] Preferably, the first arm segment comprises at least two first telescopic segments arranged in sequence and slidingly nested; and / or,

[0012] The second arm segment comprises at least two second telescopic segments arranged in sequence and slidingly nested.

[0013] Preferably, the moving assembly further comprises a slide rail and a sliding part, the slide rail is arranged on the upper frame, the sliding part is slidingly connected to the slide rail, and the base segment is fixedly arranged on the sliding part.

[0014] Preferably, the upper frame has an upper opening communicating with the test space, and the upper frame is provided with an upper door plate for opening and closing the upper opening.

[0015] The lower frame has a lower opening communicating with the accommodation space, and the lower frame is provided with a lower door plate for opening and closing the lower opening.

[0016] Preferably, a cooling fan is arranged in the accommodation space, and the cooling fan is arranged on the lower frame and / or the lower side plate.

[0017] Preferably, a power distribution assembly is arranged in the accommodation space of the lower frame, and a plurality of casters are arranged at the bottom of the bottom plate.

[0018] Preferably, the upper frame is formed by a plurality of first supports, and the lower frame is formed by a plurality of second supports.

[0019] Preferably, a first slot is formed in the first support, one end of the reinforcing member is fixedly inserted into the first slot of one of the two adjacent first supports, and the other end is fixedly inserted into the first slot of the other of the two adjacent first supports.

[0020] Preferably, a second slot is formed in the first support, a fixing head is inserted into the second slot, and the fixing head is used for fixedly connecting the upper side plate.

[0021] Beneficial effects:

[0022] The cabinet for circuit breaker testing provided by the utility model, the test space and the containing space are arranged in an upper and lower interval manner. When in use, the circuit breaker to be tested is placed in the test space and supported on the test platform, and the test equipment for testing the circuit breaker is placed in the containing space and supported on the bottom plate. The test space and the containing space can reliably and effectively protect the circuit breaker and the test equipment, avoid exposing the circuit breaker and the test equipment to the external environment, and can also roughly regularize the placement of the measured part and the part to be tested in space, facilitating maintenance. In addition, the operating mechanism comprises an operating panel and a moving assembly, the operating panel is in communication connection with the test equipment, the test equipment can be remotely communicated and controlled through the operating panel, the operating personnel only need to remotely control the test equipment through the operating panel shell, and the operating panel can be effectively moved through the moving assembly, so that the control requirements of the test equipment of the operating personnel at different positions can be met, the convenience of the operating personnel in operation is improved, and the test efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic view of the cabinet for circuit breaker testing provided by the utility model;

[0024] Figure 2 is a partial structural schematic view of the cabinet for circuit breaker testing provided by the utility model;

[0025] Figure 3 is a schematic view of the moving assembly part provided by an embodiment of the utility model;

[0026] Figure 4 is a schematic view of the reinforcing part installation part provided by the utility model;

[0027] Figure 5 is a schematic view of the connector installation part provided by the utility model;

[0028] Figure 6 is a schematic view of the connector provided by the utility model.

[0029] In the drawings:

[0030] 1, main frame; 11, upper frame part; 111, first support; 1111, first insertion slot; 1112, second insertion slot; 112, reinforcing part; 12, test platform; 13, lower frame part; 131, second support base; 14, bottom plate; 151, upper side plate; 1511, fixed head; 15111, plug; 15112, abutting end face; 15113, inner hole; 152, lower side plate; 16, upper door plate; 17, lower door plate; 18, insulating plate; 191, supporting leg; 192, castor;

[0031] 2, operating mechanism; 21, operating panel; 22, moving assembly; 221, coxa; 222, first arm segment; 223, second arm segment; 224, slide rail; 225, sliding part; 226, connecting head;

[0032] 3, cooling fan. DETAILED DESCRIPTION

[0033] The utility model will be described in further detail below in connection with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0034] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0036] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to 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. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0037] The embodiment provides a counter for circuit breaker test. Referring to Figures 1 to 6As shown, the cabinet for circuit breaker testing includes a main frame 1 and an operating mechanism 2, the main frame 1 includes an upper frame portion 11, a test platform 12, a lower frame portion 13 and a bottom plate 14 arranged in sequence from top to bottom, a plurality of upper side plates 151 are arranged on the periphery of the upper frame portion 11, a plurality of lower side plates 152 are arranged on the periphery of the lower frame portion 13, the plurality of upper side plates 151 and the test platform 12 jointly form a test space, the test platform 12, the bottom plate 14 and the plurality of lower side plates 152 jointly form a containing space, the test space is used for placing a circuit breaker, and the circuit breaker is placed on the test platform 12, the containing space is provided with a test device, and the test device is arranged on the bottom plate 14. The operating mechanism 2 includes an operating panel 21 and a moving assembly 22, the operating panel 21 is in communication connection with the test device, the test device is used for communication connection with the circuit breaker, the operating panel 21 is arranged on the upper frame portion 11 through the moving assembly 22, and the moving assembly 22 is used for controlling the movement of the operating panel 21 relative to the upper frame portion 11.

[0038] The cabinet for circuit breaker testing provided by the embodiment, the test space and the containing space are arranged in sequence from top to bottom. When in use, the circuit breaker to be tested is placed in the test space and supported on the test platform 12, and the test device for testing the circuit breaker is placed in the containing space and supported on the bottom plate 14. The test space and the containing space can reliably and effectively protect the circuit breaker and the test device respectively, avoid exposing the circuit breaker and the test device to the external environment, and can also roughly regularize the placement of the measured and to-be-tested parts in space, facilitating maintenance. In addition, the operating mechanism 2 includes the operating panel 21 and the moving assembly 22, the operating panel 21 is in communication connection with the test device, the test device can be remotely controlled through the operating panel 21, the operating personnel only needs to remotely control the test device through the operating panel 21 shell, and the operating panel 21 can be effectively moved through the moving assembly 22, so as to meet the control requirements of the operating personnel at different positions on the test device, improve the convenience of the operating personnel operation, and improve the test efficiency.

[0039] Specific to the present embodiment, the test equipment includes low-voltage components, a direct current voltage resistance instrument and the like, and the low-voltage components, the direct current voltage resistance instrument and the like are all connected in communication with the operation panel 21 through the PLC control system and the IO module. The operation panel 21 is provided with a plurality of buttons, including a start button, a reset button, a stop button, an emergency stop button and a manual / automatic switching button, and the plurality of buttons are directly connected to the PLC control system and the IO module through a multi-core cable and a network cable, and are connected in communication with the test equipment through the PLC control system and the IO module. Illustratively, when it is necessary to control the test equipment, the button corresponding to the function on the operation panel 21 is pressed, and the functions of starting, stopping, resetting and manual / automatic switching of the test equipment can be controlled. Further, a 10-inch touch operation screen is also included, and the touch operation screen is provided with a pressing area corresponding to the functions of starting, stopping, resetting and manual / automatic switching, and the touch operation screen is directly connected to the PLC control system and the IO module through a multi-core cable and a network cable, and when it is necessary to control the test equipment, the pressing area corresponding to the function on the touch operation screen is pressed, and the functions of starting, stopping, resetting and manual / automatic switching of the test equipment can also be controlled.

[0040] In the present embodiment, the moving assembly 22 includes a base joint 221, a first arm joint 222 and a second arm joint 223, the base joint 221 is arranged on the upper frame 11, the first arm joint 222 extends in a horizontal direction, the second arm joint 223 extends in a vertical direction, the first end of the first arm joint 222 is connected to the base joint 221, the second end of the first arm joint 222 is connected to the first end of the second arm joint 223, and the second end of the second arm joint 223 is connected to the operation panel 21. The first arm joint 222 is rotatably connected to the base joint 221; and / or, the second arm joint 223 is rotatably connected to the operation panel 21. In the present embodiment, the first arm joint 222 can rotate relative to the base joint 221, and the operation panel 21 can rotate relative to the second arm joint 223, and such an arrangement can further ensure that the operation panel 21 moves flexibly, and the operation panel 21 can move around the periphery of the main frame 1, which can meet the use requirements of the operator.

[0041] Specifically, a connecting head 226 is connected between the first arm joint 222 and the second arm joint 223, and opposite ends of the connecting head 226 are respectively provided with a first insertion hole and a second insertion hole, and the extension direction of the first insertion hole is perpendicular to the extension direction of the second insertion hole. The second end of the first arm joint 222 is fixedly inserted into the first insertion hole, and the first end of the second insertion hole is fixedly inserted into the second insertion hole.

[0042] In the present embodiment, a first bearing is arranged between the base joint 221 and the first end of the first arm joint 222, and the first arm joint 222 can rotate relative to the base joint 221 through the first bearing.

[0043] In the embodiment, the second arm segment 223 and the operating panel 21 are provided with a second bearing, and the operating panel 21 can rotate relative to the first arm segment 222 through the second bearing.

[0044] Exemplarily, the rotation angle range between the base segment 221 and the first arm segment 222 is set as 360°, and the rotation angle range between the operating panel 21 and the second arm segment 223 is set as 360°.

[0045] It can be understood that the rotation between the base segment 221 and the first arm segment 222 and the rotation between the operating panel 21 and the second arm segment 223 can be realized by manual operation of the operator, or realized by automatic operation through setting of a motor or the like driving component, which is not limited in the application.

[0046] In some optional embodiments, the first arm segment 222 comprises at least two first telescopic segments which are sequentially and slidingly nested, and / or the second arm segment 223 comprises at least two second telescopic segments which are sequentially and slidingly nested. In this way, the first arm segment 222 and the second arm segment 223 can have a telescopic function, further improving the flexibility of the position adjustment of the operating panel 21 and improving the position adjustment range of the operating panel 21.

[0047] In some optional embodiments, the moving assembly 22 further comprises a slide rail 224 and a sliding part 225, the slide rail 224 is arranged on the upper frame part 11, the sliding part 225 is slidingly connected to the slide rail 224, and the base segment 221 is fixedly arranged on the sliding part 225. The sliding cooperation between the slide rail 224 and the sliding part 225 can realize the translational adjustment action of the base segment 221, i.e. the operating panel 21, further improving the position adjustment range of the operating panel 21 and improving the practicability.

[0048] It can be understood that the sliding cooperation between the slide rail 224 and the sliding part 225 can be realized by manual operation of the operator, or realized by automatic operation through setting of a motor, a lead screw thread structure or the like component, which is not limited in the application.

[0049] In the embodiment, the main frame 1 is arranged as a rectangular frame structure as a whole. The upper frame part 11 and the lower frame part 13 are also arranged as rectangular frame structures.

[0050] Exemplarily, the upper side plate 151 can be arranged as a transparent material, for example, organic glass. In this way, the operator can conveniently observe the internal circuit breaker in real time. Exemplarily, the upper side plate 151 adopts 8mm-thick blue organic glass.

[0051] Exemplarily, the lower side plate 152 can be arranged as a transparent material, for example, organic glass. In this way, the operator can conveniently observe the internal circuit breaker in real time.

[0052] Exemplarily, the test platform 12 is made of epoxy resin or metal material. Exemplarily, the test platform 12 is made of C45 metal material, and the thickness is set to 20 mm.

[0053] Specifically, the test platform 12 is provided with positioning holes, fixing holes, wire passing holes and avoiding holes. The positioning holes are used to install positioning blocks to position the circuit breaker; the fixing holes are used to fix the circuit breaker on the test platform 12; the wire passing holes are used for the wire harness connected with the circuit breaker to pass through; and the avoiding holes are used to provide avoiding space for the installation of the circuit breaker. Specifically, the positioning holes, the fixing holes, the wire passing holes and the avoiding holes are formed on the test platform 12 at one time.

[0054] In the embodiment, the upper frame 11 has an upper opening communicating with the test space, and the upper frame 11 is provided with an upper door plate 16 for opening and closing the upper opening; the lower frame 13 has a lower opening communicating with the accommodation space, and the lower frame 13 is provided with a lower door plate 17 for opening and closing the lower opening. Specifically, the circuit breaker enters or exits the test space through the upper opening. The upper door plate 16 is connected to the upper frame 11 by setting a hinge structure. The upper door plate 16 can close the upper opening after the installation of the circuit breaker in the test space is completed, further protecting the internal circuit breaker. Specifically, the test equipment enters or exits the accommodation space through the lower opening. The lower door plate 17 is connected to the lower frame 13 by setting a hinge structure. The lower door plate 17 can close the lower opening after the installation of the circuit breaker in the test space is completed, further protecting the internal test equipment.

[0055] Exemplarily, the upper opening and the lower opening can be provided in the front-rear direction of the main frame 1, and the upper door plate 16 and the lower door plate 17 are correspondingly provided.

[0056] Exemplarily, the upper door plate 16 and the lower door plate 17 are provided with a stainless steel embedded handle.

[0057] The main body of the upper door plate 16 is made of 12 mm thick blue organic glass; the main body of the lower door plate 17 is made of 2 mm thick cold-rolled steel plate, the surface is painted, and the color number is selected as PANTONE-Cool Gray1U.

[0058] Exemplarily, the upper door plate 16 and the lower door plate 17 are provided with edge covering, and the edge covering distance is 15 mm.

[0059] Exemplarily, for one upper opening and one lower opening, the structure of the upper door plate 16 and the lower door plate 17 can be provided as a pair of doors. When the pair of doors structure is set, the door gap on one side is provided with a folded edge, and the width of this side is 15 mm, and the length of the folded edge is equal to the height of the door body. When the pair of doors structure is set, each door body is provided with a strong door suction, and all door gaps are less than 2 mm.

[0060] Exemplarily, the upper door plate 16 and the lower door plate 17 can adopt an OMRON TL-Q5MC1-Z access control switch.

[0061] In the embodiment, the accommodation space is provided with cooling fans 3 arranged on the lower frame part 13 and / or the lower side plate 152. By arranging the cooling fans 3, the interior of the accommodation space can be effectively cooled, and the heat generated by the test equipment in the accommodation space during long-time operation can be timely dissipated. The number of the cooling fans 3 can be adjusted according to actual needs, which is not limited in the application.

[0062] In the embodiment, the lower frame part 13 is provided with an insulating plate 18 in the accommodation space, so as to ensure reliable insulation performance in the accommodation space. The insulating plate 18 can be made of bakelite.

[0063] In the embodiment, the lower frame part 13 is provided with a power distribution assembly in the accommodation space. The main body is an epoxy plate which is detachably arranged. The epoxy plate is required to clearly and not to be separated from the project number and the serial number.

[0064] In the embodiment, the upper frame part 11 is formed by a plurality of first supports 111, and a reinforcing part 112 is connected between adjacent two first supports 111. Specifically, the adjacent two first supports 111 are fixed by welding. The reinforcing part 112 can enhance the connection strength between the adjacent two first supports 111, and effectively ensure the reliability and stability of the upper frame part 11 as a whole.

[0065] Specifically, the first support 111 is provided with a first slot 1111, one end of the reinforcing part 112 is fixedly inserted into the first slot 1111 of one of the adjacent two first supports 111, and the other end is fixedly inserted into the first slot 1111 of the other of the adjacent two first supports 111. Specifically, the reinforcing part 112 is integrally arranged in an L shape. The two ends of the reinforcing part 112 are respectively inserted into the first slot 1111 and the second slot 1112, and are fixedly connected with the adjacent two first supports 111, which is simple in structure and convenient to install.

[0066] Exemplarily, the first support 111 is provided with a second slot 1112, and a fixing head 1511 is inserted into the second slot 1112, and the fixing head 1511 is used for fixedly connecting the upper side plate 151. The fixing head 1511 can fixedly connect the upper side plate 151 and the first support 111, which is simple in structure and convenient to disassemble and assemble. For one upper side plate 151, a plurality of fixing heads 1511 are used for fixedly connecting the first support 111, and the interval between adjacent two fixing heads 1511 is not greater than 300 mm.

[0067] Specifically, the fixed head 1511 is provided with a plug 15111 for plugging with the second slot 1112, and the fixed head 1511 is fixed with the first support 111 through the fixed plugging between the plug 15111 and the second slot 1112.

[0068] Exemplarily, the fixed head 1511 has a fitting end face 15112 corresponding to the upper side plate 151, and the upper side plate 151 abuts against the fitting end face 15112.

[0069] Exemplarily, the fitting end face 15112 is provided with an inner hole 15113, and the corresponding side of the upper side plate 151 can be provided with an inner plug, which is fixedly plugged into the inner hole 15113, so as to realize the reliable fixing between the upper side plate 151 and the fixed head 1511. In addition, the provision of the inner hole 15113 can also play a certain weight-reducing role for the fixed head 1511 as a whole.

[0070] Exemplarily, the upper side plate 151 and the fixed head 1511 can also be fixedly connected through gluing or other ways, which will not be limited here.

[0071] Exemplarily, the lower frame part 13 is formed by a plurality of second support bases 131, and the adjacent two second support bases 131 are fixedly welded. Exemplarily, the second support base 131 adopts a square steel of 60*60*4.

[0072] Exemplarily, the thickness of the bottom plate 14 is 10 mm, and the bottom plate 14 is fixedly welded with the lower frame part 13.

[0073] Exemplarily, the bottom of the bottom plate 14 is provided with a plurality of legs 191. The leg 191 is a M20 rubber shock-absorbing heavy stainless steel stand foot. The leg 191 is provided to be telescopic, and the telescopic range is 0-50 mm.

[0074] Exemplarily, the bottom of the bottom plate 14 is provided with a plurality of casters 192. The caster 192 is provided as a universal caster 192, and each caster 192 can at least continuously support a weight of more than 400 kg.

[0075] Exemplarily, the bottom of the main frame 1, i.e. the bottom of the bottom plate 14, can be provided with a rat-proof steel wire mesh.

[0076] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. Here, it is unnecessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model claim.

Claims

1. A bench for circuit breaker testing, characterized in that, The utility model relates to a circuit breaker testing device, including: A main frame (1) including upper frame part (11), test platform (12), lower frame part (13) and bottom plate (14) arranged in sequence from top to bottom, the circumference of upper frame part (11) is equipped with a plurality of upper side plate (151), the circumference of lower frame part (13) is equipped with a plurality of lower side plate (152), a plurality of upper side plate (151) and test platform (12) form test space in common, test platform (12), bottom plate (14) and a plurality of lower side plate (152) form containing space in common, the test space is used for placing circuit breaker, and circuit breaker is placed on test platform (12), and test equipment is arranged in containing space, and test equipment is arranged on bottom plate (14); Operating mechanism (2) including operating panel (21) and moving assembly (22), operating panel (21) is connected with test equipment, test equipment is used for being connected with circuit breaker, operating panel (21) is arranged on upper frame part (11) through moving assembly (22), and moving assembly (22) is used for controlling operating panel (21) relative to upper frame part (11) moves.

2. The cabinet for circuit breaker testing of claim 1, wherein, Moving assembly (22) includes coxa (221), first arm segment (222) and second arm segment (223), coxa (221) is arranged on upper frame part (11), first arm segment (222) extends along horizontal direction, second arm segment (223) extends along vertical direction, the first end of first arm segment (222) is connected coxa (221), the second end of first arm segment (222) is connected the first end of second arm segment (223), and the second end of second arm segment (223) is connected operating panel (21); First arm segment (222) is rotatably connected to coxa (221);And / or, Second arm segment (223) is rotatably connected to operating panel (21).

3. The cabinet for circuit breaker testing of claim 2, wherein, First arm segment (222) includes at least two first telescopic segments arranged in sequence and are slidably nested;And / or, Second arm segment (223) includes at least two second telescopic segments arranged in sequence and are slidably nested.

4. The cabinet for circuit breaker testing of claim 2, wherein, Moving assembly (22) further includes slide rail (224) and sliding part (225), slide rail (224) is arranged on upper frame part (11), and sliding part (225) is slidably connected to slide rail (224), and coxa (221) is fixedly arranged on sliding part (225).

5. The cabinet for circuit breaker testing of claim 1, wherein, Upper frame part (11) has upper opening communicated with test space, and upper frame part (11) is equipped with upper door plate (16) for opening and closing upper opening; Lower frame part (13) has lower opening communicated with containing space, and lower frame part (13) is equipped with lower door plate (17) for opening and closing lower opening.

6. The cabinet for circuit breaker testing of claim 1, wherein, Containing space is equipped with cooling fan (3), and cooling fan (3) is arranged on lower frame part (13) and / or lower side plate (152).

7. The cabinet for circuit breaker testing of claim 1, wherein, The lower frame part (13) is provided with a power distribution assembly in the accommodating space, and the bottom of the bottom plate (14) is provided with a plurality of casters (192).

8. The cabinet for circuit breaker testing of claim 1, wherein, The upper frame part (11) is formed by a plurality of first supports (111), and the lower frame part (13) is formed by a plurality of second support bases (131).

9. The cabinet for circuit breaker testing of claim 8, wherein, First slots (1111) are formed in the first supports (111), one end of the reinforcing piece (112) is fixedly inserted into the first slot (1111) of one of the two adjacent first supports (111), and the other end is fixedly inserted into the first slot (1111) of the other of the two adjacent first supports (111).

10. The cabinet for circuit breaker testing of claim 8, wherein, Second slots (1112) are formed in the first supports (111), a fixing head (1511) is inserted into the second slot (1112), and the fixing head (1511) is used for fixedly connecting the upper side plate (151).

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