Cable voltage withstanding experiment device

Abstract

The utility model discloses a cable voltage withstanding experiment device which comprises a workbench, the upper surface of the workbench is provided with a device body, the side surface of the device body is provided with an interface, the device body is connected with a protective cover through a rotating shaft, and the inner side surface of the protective cover is connected with a telescopic spring through a fixed seat. According to the utility model, the protective cover is arranged to isolate an exposed part from a worker so as to play a protection role, a detection cable is placed at the interface, then the protective cover is rotated around the rotating shaft, the detection cable is fixed by using the reactive force of the telescopic spring to the pressing plate, and then the knob is rotated so as to carry out a voltage withstanding experiment. The rotary knob rotates to drive a helical tooth ring, and under the action of the helical tooth ring and a helical gear, the rotary knob drives a second lead screw and drives a limiting rod, so that the limiting rod is clamped into a limiting groove to lock the protective cover, the protective cover is prevented from being accidentally opened in the pressure resistance experiment process, and the use safety of the device is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable performance detection technical field, especially a kind of cable pressure test device. BACKGROUND

[0002] Cable is power transmission device or signal transmission device, is the largest equipment in power without one, cable is usually by several, or several groups of wires, material is copper, existing cable needs to carry out pressure resistance performance detection after production, carries out detection experiment to the pressure resistance performance of its insulation, to ensure that cable is normally and safely used subsequently.

[0003] Through searching, application No. CN202322891922.3 a kind of cable pressure performance detection device, it is related to cable pressure performance detection field, it is through the structural design of limiting assembly, realize the function of cable limiting, solve the problem that when using detection device to detect the pressure performance of cable, because cable may be displaced in the process of detection, to cause the detection result of cable not enough accurate.

[0004] The above-mentioned utility model has certain conductor exposed outside between cable and experimental device during pressure test, which causes discharge phenomenon during test operation, resulting in high-voltage electricity into the ground or other loop to damage equipment and endanger personnel safety.

[0005] Therefore, we propose a kind of cable pressure test device to solve the above-mentioned drawbacks. UTILITY MODEL CONTENT

[0006] The utility model aims at overcoming the shortcomings of prior art, and provides a kind of cable pressure test device.

[0007] The utility model discloses a kind of cable pressure test device, including workbench, the upper surface of the workbench is provided with device body, and the side surface of device body is equipped with interface, the device body is connected with protective cover by pivot, and the inner side of protective cover is connected with telescopic spring by fixed seat, and the lower surface of telescopic spring is provided with pressing plate, the inner side of protective cover is equipped with limiting slot, and limiting rod is arranged at limiting slot, the side surface of limiting rod is provided with guide bar, and the inner side of device body is equipped with the guide groove used in cooperation with guide bar, the limiting rod is screw-threaded with second screw rod, the surface of second screw rod is provided with bevel gear, the bevel gear and bevel gear ring are engaged connection, the bevel gear ring is fixed on the lower surface of knob, the knob is installed on the upper surface of device body.

[0008] Preferably, a connecting taper head is arranged at the interface, and an inner connecting wire is connected to the side surface of the connecting taper head; the side surface of the connecting taper head is provided with a guide block, and the inner side surface of the device body is provided with a guide groove matched with the guide block; a first lead screw is threadedly connected to the upper portion of the connecting taper head, and a handle is arranged on the surface of the first lead screw; the first lead screw and the guide block are made of hard plastic material.

[0009] Preferably, a handle is arranged on the side surface of the protective cover.

[0010] Preferably, a heat dissipation window is arranged on the side surface of the device body.

[0011] Preferably, a display panel is arranged on the upper surface of the workbench.

[0012] Preferably, a supporting leg is arranged on the lower surface of the workbench, and the supporting leg is made of rubber material.

[0013] The utility model has the following advantages:

[0014] (1), in the utility model, the exposed part is isolated from the staff through the arrangement of the protective cover, thereby playing a protection role, the detection cable is placed at the interface, then the protective cover is rotated around the rotating shaft, the detection cable is fixed by the reaction force of the expansion spring on the pressing plate, then the knob is rotated, the pressure test is carried out, the knob is rotated to drive the bevel gear ring, under the action of the bevel gear ring and the bevel gear, the second lead screw is driven, the limiting rod is driven to make the limiting rod clamped into the limiting groove, the protective cover is locked, thereby avoiding that the protective cover is accidentally opened in the pressure test process, and the use safety of the device is greatly improved.

[0015] (2), in the utility model, the test cable can be directly placed at the interface, then the handle is rotated, the first lead screw is driven, under the action of the guide block, the connecting taper head is stabbed into the insulating layer of the test cable and connected with the core, the connection is more convenient, and the insulating protective layer on the outer surface of the cable is not intentionally cut to expose the core, and the use convenience of the device is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is an internal structure schematic view of the utility model;

[0018] Fig. 3 It is an internal structure schematic view of the interface.

[0019] In the figure, 1-workbench, 2-leg, 3-guard, 4-handle, 5-device body, 6-pressing plate, 7-extension spring, 8-interface, 9-connection cone, 10-guide block, 11-first lead screw, 12-handle, 13-inner wire, 14-radiating window, 15-display panel, 16-knob, 17-bevel tooth ring, 18-bevel gear, 19-second lead screw, 20-limit rod, 21-guide strip. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0023] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0024] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term '' set '', '' install '', '' link '', '' connect '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through the intermediate medium, can be two element internal communication. For ordinary skilled in the art, can understand the specific meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0026] As Figs. 1-3 The utility model provides a cable withstand voltage experiment device, including workbench 1, the upper surface of workbench 1 is provided with device body 5, and the side surface of device body 5 is equipped with interface 8, device body 5 is connected with the protection cover 3 through the pivot, and the inboard of protection cover 3 is connected with telescopic spring 7 through the fixed seat, and the lower surface of telescopic spring 7 is provided with the pressing plate 6, the inboard of protection cover 3 is equipped with the limiting slot, and the limiting rod 20 is arranged at the limiting slot, the side surface of limiting rod 20 is provided with the guide strip 21, and the inboard of device body 5 is equipped with the guide slot used in cooperation with guide strip 21, the second screw rod 19 is connected in screw thread with limiting rod 20, the surface of second screw rod 19 is provided with bevel gear 18, bevel gear 18 and bevel gear ring 17 are engaged connection, bevel gear ring 17 is fixed on the lower surface of knob 16, and knob 16 is installed on the upper surface of device body 5.

[0027] In one embodiment, by setting protection cover 3, the exposed part is isolated from the staff, to play the protection function, the detection cable is placed at interface 8, then makes protection cover 3 rotate around pivot, utilizes the reaction force of telescopic spring 7 to the pressing plate 6 and fixes the detection cable, then rotates knob 16, carries out pressure test, and knob 16 rotates and drives bevel gear ring 17, under the action of bevel gear ring 17 and bevel gear 18, drives second screw rod 19, drives limiting rod 20, so that limiting rod 20 is clamped into limiting slot, locks protection cover 3, to avoid protection cover 3 accidental opening during pressure test, greatly improve the use safety of device.

[0028] Specifically, interface 8 is provided with a connecting cone head 9, and the side surface of the connecting cone head 9 is connected with an inner connecting wire 13. The side surface of the connecting cone head 9 is provided with a guide block 10, and the inner side surface of the device body 5 is provided with a guide groove matched with the guide block 10. The upper side of the connecting cone head 9 is threadedly connected with a first screw rod 11, and the surface of the first screw rod 11 is provided with a handle 12. The first screw rod 11 and the guide block 10 are made of hard plastic material.

[0029] In one embodiment, the test cable can be placed directly at the interface 8, then the handle 12 is turned, the first lead screw 11 is driven, under the action of the guide block 10, the connecting cone head 9 is pierced into the insulating layer of the test cable and connected with the core, the connection is more convenient, without deliberately cutting the insulating protective layer of the outer surface of the cable to expose the core, the use convenience of the device is greatly improved.

[0030] Specifically, the side surface of the protective cover 3 is provided with a handle 4.

[0031] In one embodiment, the handle 4 is used to facilitate the staff to turn over the protective cover 3 through the handle 4.

[0032] Specifically, the side surface of the device body 5 is provided with a heat dissipation window 14.

[0033] In one embodiment, the heat dissipation window 14 is used to facilitate the air flow in and out of the device body 5, and the electrical elements inside the device body 5 are cooled.

[0034] Specifically, the upper surface of the workbench 1 is provided with a display panel 15.

[0035] In one embodiment, the display panel 15 is used to display test data.

[0036] Specifically, the lower surface of the workbench 1 is provided with a supporting leg 2, and the supporting leg 2 is made of rubber material.

[0037] In one embodiment, the supporting leg 2 made of rubber material increases the height of the workbench 1, and the device is isolated from the ground by using insulating material, thereby reducing the possibility of current stringing into the ground.

[0038] The working process of the utility model is as follows: the protective cover 3 is set to isolate the exposed part from the staff, thereby playing a protective role; the test cable is placed at the interface 8, then the protective cover 3 is rotated around the rotating shaft, the test cable is fixed by using the reaction force of the extension spring 7 on the pressing plate 6, then the knob 16 is rotated, the pressure test is carried out, the knob 16 is rotated to drive the bevel gear ring 17, under the action of the bevel gear ring 17 and the bevel gear 18, the second lead screw 19 is driven, the limiting rod 20 is driven, the limiting rod 20 is clamped into the limiting groove, the protective cover 3 is locked, thereby avoiding that the protective cover 3 is accidentally opened during the pressure test, the use safety of the device is greatly improved; the test cable can be placed directly at the interface 8, then the handle 12 is rotated, the first lead screw 11 is driven, under the action of the guide block 10, the connecting cone head 9 is pierced into the insulating layer of the test cable and connected with the core, the connection is more convenient, without deliberately cutting the insulating protective layer of the outer surface of the cable to expose the core, the use convenience of the device is greatly improved.

[0039] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cable pressure test device comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is provided with a device body (5), and the side surface of the device body (5) is provided with an interface (8), the device body (5) is connected with a protective cover (3) through a rotating shaft, the inner side surface of the protective cover (3) is connected with a telescopic spring (7) through a fixing seat, the lower surface of the telescopic spring (7) is provided with a pressing plate (6), the inner side surface of the protective cover (3) is provided with a limiting groove, and the limiting groove is provided with a limiting rod (20), the side surface of the limiting rod (20) is provided with a guide strip (21), the inner side surface of the device body (5) is provided with a guide groove matched with the guide strip (21), the limiting rod (20) is screw-connected with a second lead screw (19), the surface of the second lead screw (19) is provided with a helical gear (18), the helical gear (18) is meshed and connected with a helical gear ring (17), the helical gear ring (17) is fixed to the lower surface of a knob (16), and the knob (16) is installed on the upper surface of the device body (5).

2. The cable pressure test device of claim 1, wherein: A connecting taper head (9) is arranged at the interface (8), the side surface of the connecting taper head (9) is connected with an inner connecting wire (13), the side surface of the connecting taper head (9) is provided with a guide block (10), the inner side surface of the device body (5) is provided with a guide groove matched with the guide block (10), the upper surface of the connecting taper head (9) is screw-connected with a first lead screw (11), the surface of the first lead screw (11) is provided with a handle (12), and the first lead screw (11) and the guide block (10) are made of hard plastic material.

3. The cable pressure test device of claim 1, wherein: The side surface of the protective cover (3) is provided with a handle (4).

4. The cable pressure test device of claim 1, wherein: The side surface of the device body (5) is provided with a heat dissipation window (14).

5. The cable pressure test device of claim 1, wherein: The upper surface of the workbench (1) is provided with a display panel (15).

6. The cable pressure test device of claim 1, wherein: The lower surface of the workbench (1) is provided with a supporting leg (2), and the supporting leg (2) is made of rubber material.

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