Adjustable support for withstand voltage test of insulating tool

Abstract

The invention relates to the technical field of insulation tool voltage withstanding tests, in particular to an adjustable support for an insulation tool voltage withstanding test, which comprises a frame assembly and an adjusting assembly, the frame assembly comprises a supporting piece and a test piece, and the adjusting assembly comprises a telescopic piece, a rotating piece and a limiting piece. A testing device used for testing insulating gloves (boots) and a testing device used for testing rod-shaped insulating tools are combined, so that the trouble that the testing devices need to be carried back and forth and test wiring needs to be switched when two types of safety tools are tested is reduced; the horizontal distance of the test support can be adjusted through the arrangement of the telescopic piece and the rotating piece, two-stage control over the telescopic length is achieved through the arrangement of the limiting piece, rapid positioning is achieved, meanwhile, the accuracy of the horizontal distance of the device is guaranteed, and errors caused by manual estimation are reduced.

Description

Technical Field

[0001] This invention relates to the field of withstand voltage testing technology for insulating tools, and in particular to an adjustable support for withstand voltage testing of insulating tools. Background Technology

[0002] The testing of insulating safety tools stems from the importance and need for electrical safety. In many industrial and workplace settings, people come into contact with various electrical devices and circuits, making worker safety paramount. Insulating safety tool testing aims to ensure that the insulation performance of these tools effectively protects users from electric shock.

[0003] According to the power frequency withstand voltage test requirements of GB / T 16927.1, the test length varies under different rated voltages. The current horizontal distance positioning method of the rod-type insulating safety tool test device is not good, and it mainly relies on manual positioning, which has a large positioning error. At the same time, the rod-type insulating safety tool test device is separate from the test devices for insulating gloves, insulating shoes and other insulating safety tools. When conducting safety tool tests, it is necessary to change the test device back and forth, which seriously affects the test efficiency. Summary of the Invention

[0004] In view of the problems existing in the prior art, the present invention is proposed.

[0005] Therefore, the technical problem to be solved by the present invention is that the existing rod-type insulating safety tool testing device has errors in horizontal distance due to manual positioning.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an adjustable support for withstand voltage testing of insulating tools, comprising a frame assembly, the frame assembly including a support member and a test piece, the test piece being connected to one side of the support member; and,

[0007] An adjustment assembly includes a telescopic component, a rotating component, and a limiting component. The two ends of the telescopic component are respectively connected to a support component. The rotating component is vertically disposed on one side of the telescopic component and in movable contact with it. The limiting component is away from the rotating component and is movably connected to one side of the telescopic component.

[0008] As a preferred embodiment of the adjustable support for withstand voltage testing of insulating tools according to the present invention, the support includes vertical support rods, horizontal support rods, and casters. There are a total of 4 vertical support rods and 2 horizontal support rods. Every 2 vertical support rods are vertically connected to the two ends of 1 horizontal support rod to form a support frame. There are a total of two support frames A. The two sides of the two support frames A are respectively vertically connected to the two ends of the telescopic components. There are 4 casters, each connected to one end of a vertical support rod.

[0009] As a kind of preferred scheme of the adjustable support for the insulation tool pressure test of the application, wherein: the test piece includes rod test rod and chain, several rod test rod is 2, and the two ends of each vertical connection with the vertical support rod of each set of support frame A, the one end of several chain is rotatably received in the side of rod test rod;

[0010] The test piece further includes test barrel, and the other end of the chain is movably placed in the inside of the test barrel, for the pressure test of insulating boots and insulating gloves.

[0011] As a kind of preferred scheme of the adjustable support for the insulation tool pressure test of the application, wherein: several telescopic members include thick rod, thin rod and tension spring, one end of the thick rod is vertically connected to the rod body of the vertical support rod, one end of the thin rod is arranged in the inside of the thick rod along the direction of the thick rod, the other end of the thin rod is vertically connected to the rod body of the vertical support rod of the other set of support frame A, and one end of the tension spring is connected to the inner side wall of the thick rod, and the other end is connected to one end of the thin rod.

[0012] As a kind of preferred scheme of the adjustable support for the insulation tool pressure test of the application, wherein: the rotating member includes accommodating rod, rotating rod, toothed rail and handle, the accommodating rod is connected with two thick rods, the rotating rod is rotatably connected to the inside of the accommodating rod, the toothed rail is arranged on the rod body of the thin rod and matched with the rotating rod, and the handle is arranged outside the accommodating rod and connected with the rotating rod.

[0013] As a kind of preferred scheme of the adjustable support for the insulation tool pressure test of the application, wherein: the rotating rod further includes rotating gear, the rotating gear is connected to the rod body of the rotating rod with the center shaft, and is engaged with the toothed rail.

[0014] As a kind of preferred scheme of the adjustable support for the insulation tool pressure test of the application, wherein: the limiting member includes buckle ring, buckle wrench and buckle device, the buckle ring is sleeved on the circumference of the thick rod, one end of the buckle wrench is rotatably connected to the inside of the buckle ring, the other end is arranged outside the buckle ring, and the buckle device is arranged in the inside of the buckle ring, one side of which is movably attached to the rod body of the thin rod, and the other side is in contact with the buckle wrench.

[0015] As a kind of preferred scheme of the adjustable support for the insulation tool pressure test of the application, wherein: the buckle wrench includes pressing block and blocking groove, the pressing block is cylindrical, and the connecting rod is arranged on both sides of the center axis, and the buckle ring is connected through torsional spring, the blocking groove is arranged on the side wall of the pressing block and matched with the buckle device.

[0016] As a preferred scheme of the adjustable support for insulation tool pressure test, the buckle comprises a first damping block, a second positioning column, a first positioning slot and a second positioning hole, the first damping block is matched with the first positioning slot, the second positioning column is inserted into the inside of the first damping block and matched with the second positioning hole.

[0017] As a preferred scheme of the adjustable support for insulation tool pressure test, the first positioning slot is arranged through the rod body of the thin rod, the second positioning hole is arranged in the inside of the first positioning slot and also arranged through the rod body of the thin rod.

[0018] The present application has the advantages that: the test device for testing insulation gloves (boots) is combined with the test device for testing rod-shaped insulation tools by arranging the support and the test piece, thereby reducing the trouble of carrying the test device back and forth and switching the test wiring when testing two types of safety tools; the horizontal distance of the test support is adjustable by arranging the telescopic piece and the rotating piece, the telescopic length is controlled in two stages by arranging the limiting piece, thereby realizing fast positioning and ensuring the accuracy of the horizontal distance of the device and reducing the error caused by manual estimation. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is the overall schematic diagram of the present application.

[0021] Figure 2 It is the schematic diagram of the rotating piece of the present application.

[0022] Figure 3 It is the schematic diagram of the telescopic piece of the present application.

[0023] Figure 4 It is the schematic diagram of the limiting piece of the present application.

[0024] Figure 5 It is the structural schematic diagram of the thin rod of the present application. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0026] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be appreciated that the present application can be practiced in a variety of ways beyond the specifics set forth herein, which can be practiced in any number of manners, depending on the implementation chosen for the present application. The present application can be practiced by employing as features, not only the preferred embodiments, but also other embodiments that are now known or which can become known. Accordingly, the present application should not be limited to the embodiments described herein, but should be given the broadest interpretation of the appended claims.

[0027] Secondly, the "one embodiment" or "an embodiment" as referred to herein means a specific feature, structure, or characteristic under discussion. Thus, "in one embodiment" and "in an embodiment" appearing in various places in this specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of other embodiments.

[0028] Embodiment 1

[0029] With reference to Figure 1 - Figure 3 For the first embodiment of the present application, the embodiment provides an adjustable support for insulation tool pressure test, which comprises a frame assembly 100 and an adjusting assembly 200. An operator turns the adjusting assembly 200 to elongate the frame assembly 100 and reach the length of a rod-shaped insulation tool, and then places the tool to be tested on the frame assembly 100 for testing.

[0030] Specifically, the frame assembly 100 comprises a support 101 and a test piece 102, wherein the test piece 102 is fixed to one side of the support 101 by screw insertion.

[0031] Preferably, the support 101 is made of insulating material, and the test piece 102 is made of metal conductive material.

[0032] Further, the adjusting assembly (200) comprises a telescopic piece (201), a rotating piece (202), and a limiting piece (203), wherein the two ends of the telescopic piece 201 are respectively connected perpendicularly to one side of the support 101, the rotating piece 202 is connected perpendicularly to one side of the telescopic piece 201, and the limiting piece 203 is movably installed on one side of the rotating piece 202 for fastening the telescopic piece 201.

[0033] In use, when testing the pressure resistance of an insulation glove (boot), an operator directly tests the tool to be tested with a bucket through the test piece 102, and when testing a rod-shaped insulation tool, the operator turns the rotating piece 202 to elongate the telescopic piece 201 outward, and at the same time pushes the two ends of the support 101 to extend smoothly, and when the limiting piece 203 reaches the preliminary positioning area quickly, the rotating piece 202 is turned again to slowly adjust the extension length under the damping action, and when the set length is reached, the limiting piece 203 is fastened, and finally the horizontal distance of the rod-type insulation safety tool test device is accurately controlled.

[0034] Embodiment 2

[0035] Referring to Figure 1 - Figure 2 For the second embodiment of the present application, which is based on the previous embodiment.

[0036] Specifically, the support 101 comprises vertical support rods 101a, horizontal support rods 101b and universal wheels 101c. In this embodiment, four vertical support rods 101a are provided, and a universal wheel 101c is inserted at the bottom end of each vertical support rod 101a to facilitate the movement of the entire device. Two horizontal support rods 101b are provided, and each horizontal support rod 101b is inserted at both ends to connect with two vertical support rods 101a, forming two groups of I-shaped support frames A.

[0037] Preferably, the two groups of I-shaped support frames A are arranged in parallel, and the four vertical support rods 101a are arranged in a rectangular shape to facilitate the control of the vertical distance between the two groups of I-shaped support frames A.

[0038] Further, the test piece 102 comprises rod-shaped test rods 102a and coiled chains 102b. Two rod-shaped test rods 102a are vertically connected to the I-shaped support frames A, i.e., parallel to the horizontal support rods 101b, and one end of the coiled chain 102b is accommodated inside the rod-shaped test rod 102a for pressure testing of the insulated gloves and boots.

[0039] Preferably, the coiled chain 102b is made of a conductive metal and can be wound and accommodated. When testing the insulated gloves and boots is needed, the coiled chain 102b can be pulled out, and when testing the rod-shaped insulated tool is needed, the coiled chain 102b can be wound and accommodated inside the rod-shaped test rod 102a and locked to prevent affecting the test.

[0040] Further, the plurality of extension pieces 201 comprises thick rods 201a, thin rods 201b and tension springs 201c. One end of the thin rod 201b is coaxially connected to the inside of the thick rod 201a, and one end of the thick rod 201a and the thin rod 201b are connected to two support frames A, respectively. The tension spring 201c is coaxially placed inside the thick rod 201a, and one end of the tension spring 201c is fixedly connected to the inner side wall of the thick rod 201a, and the other end is fixedly connected to one end of the thin rod 201b.

[0041] Preferably, the tension spring 201c has a force sufficient to retract the two groups of support frames A, and the counterforce on the rotating member 202 is small, i.e., does not affect the operator rotating the rotating member 202.

[0042] Further, the rotating member 202 comprises a containing rod 202a, a rotating rod 202b, a toothed rail 202c and a rotating handle 202d, wherein the containing rod 202a is vertically connected to the rod bodies of the two thick rods 201a and penetrates through the three rods, the rotating rod 202b is arranged in parallel inside the containing rod 202a, and the rod bodies at both ends of the rotating rod 202b are respectively provided with rotating gears 202b-1, the toothed rail 202c is arranged on the outer side wall of the thin rod 201b and is always engaged with the rotating gears 202b-1, and the rotating handle 202d is coaxially connected to one end of the rotating rod 202b and can drive the rotating rod 202b to rotate.

[0043] Preferably, when the rotating handle 202d is rotated, the rotating rod 202b connected thereto is synchronously rotated, and the two rotating gears 202b-1 connected thereto are driven to rotate, so that the two thin rods 201b engaged with the toothed rail 202c are synchronously pushed out.

[0044] Further, the limiting member 203 comprises a buckle ring 203a, a buckle wrench 203b and a buckle device 203c, wherein the buckle ring 203a is sleeved on the outlet end of the thick rod 201a, one end of the buckle wrench 203b is rotationally connected to the inside of the buckle ring 203a, and the buckle device 203c is arranged inside the buckle ring 203a and cooperates with the buckle wrench 203b and the thin rod 201b.

[0045] Preferably, the buckle wrench 203b comprises a pressing block 203b-1 and a blocking groove 203b-2, wherein the pressing block 203b-1 is integrally connected in a cam type on one side of the buckle wrench 203b, and the blocking groove 203b-2 is a notch arranged on the side wall of the pressing block 203b-1 and cooperates with the buckle device 203c.

[0046] Further, the buckle device 203c comprises a first damping block 203c-1, a second positioning column 203c-2, a first positioning groove 203c-3 and a second positioning hole 203c-4, wherein one side of the first damping block 203c-1 abuts against the thin rod 201b, the other side approaches the pressing block 203b-1, the second positioning column 203c-2 is movably inserted into the inside of the first damping block 203c-1, the first positioning groove 203c-3 is arranged on the rod body of the thin rod 201b and cooperates with the first damping block 203c-1, the second positioning hole 203c-4 is arranged inside the first positioning groove 203c-3 and is also arranged to penetrate through the rod body of the thin rod 201b and cooperates with the second positioning column 203c-2, and one end of the second positioning column 203c-2 cooperates with the blocking groove 203b-2.

[0047] Preferably, referring to Figure 4To prevent the friction force generated by the blocking groove 203b-2 on the secondary positioning column 203c-2 from causing it to fail to fall, the primary damping block 203c-1 is connected with the contact surface of the buckle ring 203a by a spring P, and the secondary positioning column 203c-2 is connected with the contact surface of the primary damping block 203c-1 by a spring Q. Under the action of the two springs, the primary damping block 203c-1 and the secondary positioning column 203c-2 can smoothly fall into the primary positioning groove 203c-3 and the secondary positioning hole 203c-4, respectively.

[0048] Preferably, the side of the primary damping block 203c-1 that is in contact with the thin rod 201b is provided with a friction surface layer for increasing the friction between the limiting piece 203 and the thin rod 201b, slowing down the extension speed of the thin rod 201b, and facilitating further accurate positioning of the length.

[0049] Preferably, the length of the primary positioning groove 203c-3 is greater than the length of the primary damping block 203c-1, that is, when the primary damping block 203c-1 falls into the primary positioning groove 203c-3, it will be pressed against the primary positioning groove 203c-3 under the action of the tension spring 201c. At this time, the secondary positioning can be performed through the insertion of the secondary positioning hole 203c-4 and the secondary positioning column 203c-2 in the slightly longer primary positioning groove 203c-3. The friction force brought by the primary damping block 203c-1 slows down the speed during accurate positioning, making the positioning effect better.

[0050] Preferably, according to the power frequency withstand voltage test requirement of GB / T 16927.1, when the rated voltage is 10KV, the test length is 0.7M, and the following is represented by aKV-bM: 35KV-0.9M, 63KV-1M, 110KV-1.3M, and 220KV-2.1M. The test length refers to the vertical distance between the center axes of the two rod-shaped test rods 102a, which can be controlled by adjusting the vertical support rod 101a in this embodiment. In summary, the opening position of the secondary positioning hole 203c-4 needs to meet the withstand voltage test requirement.

[0051] In use, when the rod-shaped insulating tool withstand voltage test needs to be performed, the operator rotates the handle 202d along the X direction to drive the thin rod 201b to extend along the Y direction. This operation process can be relatively fast. When the extension is close to the test distance, the primary damping block 203c-1 falls into the relatively longer primary positioning groove 203c-3 along the Z direction under the action of the spring P. At this time, under the extrusion of the spring P, the friction between the limiting piece 203 and the thin rod 201b increases, so that the secondary positioning speed is slowed down accordingly. At the same time, the secondary positioning column 203c-2 has not fallen into the secondary positioning hole 203c-4, and one end of the secondary positioning column 203c-2 is still clamped in the blocking groove 203b-2 to prevent the buckle wrench 203b from being closed.

[0052] When the secondary positioning is started, the operator's hand gets resistance feedback due to the increase of friction, and the rotation force is slowed down, so that the thin rod 201b moves slowly, and when it moves above the secondary positioning hole 203c-4, the secondary positioning column 203c-2 falls into the secondary positioning hole 203c-4 in the Z direction under the action of the spring Q, and thus the precise positioning is achieved. Since the position of the secondary positioning hole 203c-4 meets the requirements of the power frequency withstand voltage test of GB / T 16927.1, the withstand voltage test can be directly carried out after positioning.

[0053] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions, which should be covered in the scope of the claims of the present application.

Claims

1. An adjustable support for withstand voltage testing of insulating tools, characterized in that: include, A frame assembly (100) comprising a support member (101) and a test piece (102), the test piece (102) being connected to one side of the support member (101). An adjustment assembly (200) includes a telescopic member (201), a rotating member (202), and a limiting member (203). The two ends of the telescopic member (201) are respectively connected to the support member (101). The rotating member (202) is vertically disposed on one side of the telescopic member (201) and in active contact with it. The limiting member (203) is away from the rotating member (202) and is movably connected to one side of the telescopic member (201).

2. The adjustable support for withstand voltage testing of insulating tools as described in claim 1, characterized in that: The support member (101) includes vertical support rods (101a), horizontal support rods (101b), and casters (101c). There are a total of 4 vertical support rods (101a) and 2 horizontal support rods (101b). Every 2 vertical support rods (101a) are vertically connected to the two ends of 1 horizontal support rod (101b) to form a support frame A. There are a total of two support frames A. The two sides of the two support frames A are vertically connected to the two ends of the telescopic members (201). There are 4 casters (101c) and they are connected to one end of the vertical support rods (101a).

3. The adjustable support for withstand voltage testing of insulating tools as described in claim 1 or 2, characterized in that: The test piece (102) includes a rod-shaped test rod (102a) and a chain (102b). There are two rod-shaped test rods (102a) in total. The two ends of each rod are vertically connected to the two vertical support rods (101a) of each support frame A. One end of the chain (102b) is rotated and stored on one side of the rod-shaped test rod (102a). The test piece (102) also includes a test barrel (102c), and the other end of the chain (102b) is movably placed inside the test barrel (102c) for conducting withstand voltage tests on insulating boots and insulating gloves.

4. The adjustable bracket for withstand voltage testing of insulating tools as described in claim 3, characterized in that: The telescopic components (201) include a thick rod (201a), a thin rod (201b), and a tension spring (201c). One end of the thick rod (201a) is vertically connected to the body of the vertical support rod (101a). One end of the thin rod (201b) is disposed inside the thick rod (201a) along the direction of the thick rod (201a). The other end of the thin rod (201b) is vertically connected to the body of the vertical support rod (101a) of another set of support frames A. One end of the tension spring (201c) is connected to the inner side wall of the thick rod (201a), and the other end is connected to one end of the thin rod (201b).

5. The adjustable support for withstand voltage testing of insulating tools as described in claim 4, characterized in that: The rotating component (202) includes a receiving rod (202a), a rotating rod (202b), a toothed rail (202c), and a rotating handle (202d). The receiving rod (202a) is connected through two of the thicker rods (201a). The rotating rod (202b) is rotatably connected inside the receiving rod (202a). The toothed rail (202c) is disposed on the body of the thinner rod (201b) and cooperates with the rotating rod (202b). The rotating handle (202d) is disposed outside the receiving rod (202a) and connected to the rotating rod (202b).

6. The adjustable bracket for withstand voltage testing of insulating tools as described in claim 5, characterized in that: The rotating rod (202b) also includes a rotating gear (202b-1), which is connected to the rod body of the rotating rod (202b) with the central shaft and meshes with the gear rail (202c).

7. The adjustable bracket for withstand voltage testing of insulating tools as described in claim 6, characterized in that: The limiting component (203) includes a snap ring (203a), a snap wrench (203b), and a snap fastener (203c). The snap ring (203a) is fitted around the periphery of the thick rod (201a). One end of the snap wrench (203b) is rotatably connected to the inside of the snap ring (203a), and the other end is disposed through the outside of the snap ring (203a). The snap fastener (203c) is disposed inside the snap ring (203a), with one side movably fitting against the body of the thin rod (201b), and the other side contacting the snap wrench (203b).

8. The adjustable support for withstand voltage testing of insulating tools as described in claim 7, characterized in that: The latching wrench (203b) includes a pressing block (203b-1) and a retaining groove (203b-2). The pressing block (203b-1) is cylindrical, with connecting rods on both sides off the central axis, and connected to the latching ring (203a) via torsion springs. The retaining groove (203b-2) is located on the side wall of the pressing block (203b-1) and cooperates with the latching device (203c).

9. The adjustable support for withstand voltage testing of insulating tools as described in claim 8, characterized in that: The latching device (203c) includes a primary damping block (203c-1), a secondary positioning post (203c-2), a primary positioning groove (203c-3), and a secondary positioning hole (203c-4). The primary damping block (203c-1) cooperates with the primary positioning groove (203c-3), and the secondary positioning post (203c-2) is inserted through the interior of the primary damping block (203c-1) and cooperates with the secondary positioning hole (203c-4).

10. The adjustable support for withstand voltage testing of insulating tools as described in claim 9, characterized in that: Several primary positioning grooves (203c-3) are formed through the rod body of the thin rod (201b), and secondary positioning holes (203c-4) are set inside the primary positioning grooves (203c-3) and are also formed through the rod body of the thin rod (201b).

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