CN211652997U

CN211652997U - DC resistance tester

Info

Publication number: CN211652997U
Application number: CN201921945519.1U
Authority: CN
Inventors: 李运贤; 杨茂昌
Original assignee: Guangdong Medium Quality Testing Technology Co ltd
Current assignee: Guangdong Medium Quality Testing Technology Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-10-09
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a direct current resistance tester, including resistance detector, resistance detector's back electricity is connected with conductive terminal, and resistance detector's left side is provided with power plug, power plug electricity is connected with into the electric port, and the electrically conductive end electricity of advancing the electric port is connected with the slider bottom plate, and the welding piece is installed to the rear end of slider bottom plate, and the preceding facade welding of welding piece has the dead lever, the top welding of dead lever has the electrically conductive piece, the preceding facade fixedly connected with extrusion piece of electrically conductive piece, and the place ahead of extrusion piece is provided with subtend extrusion subassembly, installs a living silk section of thick bamboo on the back of subtend extrusion subassembly. The utility model discloses, control handle rotates, and the handle will drive the built-in screw rod of carousel and rotate the displacement in the inner chamber of swivel nut in the pivoted time, because a living silk section of thick bamboo and screw rod are connected for the living silk, realize a living silk section of thick bamboo to the promotion to the extrusion subassembly to the realization carries out the centre gripping with the copper line.

Description

DC resistance tester

Technical Field

The utility model relates to a direct current resistance test technical field especially relates to direct current resistance tester.

Background

A DC resistance tester is a detection device for detecting DC resistance, which can effectively find the phenomena of material selection, welding, loosening of connecting parts, strand missing and broken lamp of a transformer coil aiming at the necessary items of semi-finished products, finished product delivery tests, installation, handover tests and preventive tests of power departments in manufacturing of inductive coils such as transformers, mutual inductors, reactors, electromagnetic operating mechanisms and the like, wherein in the application, an operation panel connected with the tester is improved, a table-board clamping unit on the operation panel is improved to ensure that a clamping cable is more stable when being fixed, but the clamping mode of the type moves through the rotation of a turntable, the clamping components are displaced to clamp the cables in two groups of clamping components, so that the clamping force is easy to be overlarge during clamping, and certain damage is caused to a cable body and a cable contact end, affecting the detection result.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a direct current resistance tester.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the direct-current resistance tester comprises a resistance detector, wherein the back of the resistance detector is electrically connected with a conductive terminal, a power plug is arranged on the left side of the resistance detector, the power plug is electrically connected with a power inlet port, the conductive end of the power inlet port is electrically connected with a slider bottom plate, a welding block is installed at the rear end of the slider bottom plate, a fixed rod is welded on the front vertical face of the welding block, a conductive block is welded at the top end of the fixed rod, an extrusion block is fixedly connected on the front vertical face of the conductive block, an opposite extrusion assembly is arranged in front of the extrusion block, and a live wire barrel is installed on the back of the opposite extrusion assembly;

the novel wire drawing machine is characterized in that an insulating block is installed on the front face of the sliding block bottom plate, a screw sleeve is welded in the middle of the front vertical face of the insulating block, a screw rod is connected to the inner cavity of the screw sleeve in a threaded mode, the top end of the screw rod is located in the inner cavity of the wire drawing barrel, a rotary table is installed at the bottom end of the screw rod, and a handle is installed on the back face of the rotary table.

Preferably, the middle part of the sliding block bottom plate is connected with the opposite extrusion assembly and the conductive block in a sliding mode, the conductive block and the opposite extrusion assembly are arranged in an opposite mode, and a copper wire is placed between the conductive block and the opposite extrusion assembly.

Preferably, a placing panel is arranged below the sliding block bottom plate, sliding groove strips are arranged on the left side and the right side of the upper surface of the placing panel, and the upper side and the lower side of the lower surface of the sliding block bottom plate are connected with the sliding groove strips in a sliding mode.

Preferably, the middle of the upper surface of the chute strip is fixedly connected with a ruler strip and a supporting drag block respectively, and the ruler strip is positioned on the left side of the supporting drag block.

Preferably, an insulating sleeve is placed on the upper surface of the support drag block.

Preferably, the left side and the right side of the upper surface of the placing panel are both connected with displacement positioning blocks in a sliding mode, sliders are welded to the lower surfaces of the displacement positioning blocks, and the sliders are connected with the sliding groove strips in a sliding mode.

The utility model has the advantages that:

1. the utility model discloses, control handle rotates, and the handle will drive the built-in screw rod of carousel and rotate the displacement in the inner chamber of swivel nut in the pivoted time, because a living silk section of thick bamboo and screw rod are connected for the living silk, realize a living silk section of thick bamboo to the promotion to the extrusion subassembly to the realization carries out the centre gripping with the copper line.

2. The utility model discloses, conductive terminal on resistance detector's preceding facade is connected with the port of slider bottom plate, and copper line screens is between conducting block and subtend extrusion subassembly, realizes that the electricity that the incoming telegram port is connected lets in the welding block to realize in the return circuit reports copper line resistance to resistance detector, the simultaneous display screen shows.

Drawings

Fig. 1 is a top view of the dc resistance tester provided by the present invention;

fig. 2 is a schematic structural diagram of the dc resistance tester according to the present invention after installation;

fig. 3 is an enlarged view of a position in fig. 2 of the dc resistance tester provided by the present invention.

In the figure: the device comprises a resistance detector 1, a conductive terminal 2, a power plug 3, a slider bottom plate 4, a displacement positioning block 5, a slider 6, an opposite extrusion component 7, a sliding groove strip 8, a ruler strip 9, a support drag block 10, a copper wire 11, an insulating sleeve 12, a fixed rod 13, a welding block 14, an extrusion block 15, a conductive block 16, a power inlet port 17, an opposite extrusion component 18, a screw sleeve 19, a rotating disc 20, a handle 21, an insulating block 22 and a live wire barrel 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the direct current resistance tester comprises a resistance detector 1, a conductive terminal 2 is electrically connected to the back of the resistance detector 1, a power plug 3 is arranged on the left side of the resistance detector 1, the power plug 3 is electrically connected with a power inlet port 17, the conductive end of the power inlet port 17 is electrically connected with a slider bottom plate 4, the middle part of the slider bottom plate 4 is slidably connected with an opposite extrusion component 18 and a conductive block 16, the conductive block 16 and the opposite extrusion component 18 are oppositely arranged, a copper wire 11 is arranged between the conductive block 16 and the opposite extrusion component 18, a placing panel 7 is arranged below the slider bottom plate 4, displacement positioning blocks 5 are slidably connected to the left side and the right side of the upper surface of the placing panel 7, sliders 6 are welded to the lower side of the lower surface of the displacement positioning blocks 5, the sliders 6 are slidably connected with slider strips 8, the slider strips 8 are arranged on, the upper side and the lower side of the lower surface of a sliding block bottom plate 4 are connected with two groups of sliding groove strips 8 in a sliding mode, the middle of the upper surface of each sliding groove strip 8 is fixedly connected with a ruler strip 9 and a supporting dragging block 10 respectively, an insulating sleeve 12 is placed on the upper surface of each supporting dragging block 10, two ends of each insulating sleeve 12 are wrapped and connected with two groups of copper wires 11, the ruler strip 9 is positioned on the left side of each supporting dragging block 10, a welding block 14 is installed at the rear end of the sliding block bottom plate 4, a fixing rod 13 is welded on the front vertical face of each welding block 14, a conducting block 16 is welded at the top end of each fixing rod 13, an extrusion block 15 is fixedly connected with the front vertical face of each conducting block 16, an opposite extrusion component 18 is arranged in front of each extrusion block 15, a live wire barrel 23 is installed on the back face of each opposite extrusion component 18, an insulating block 22 is installed on the front face of the sliding block bottom plate 4, a screw sleeve, the bottom end of the screw is provided with a turntable 20, and the back of the turntable 20 is provided with a handle 21.

The working principle is as follows: when the electric resistance detector is used, the electricity inlet end of the resistance detector 1 is connected with the electricity inlet port of the sliding block bottom plate 4 of the opposite surface, the electricity outlet port of the power plug 3 is connected with the electricity inlet port of the sliding block bottom plate 4 to form a sealed circuit, the conductive terminal 2 on the front vertical surface of the resistance detector 1 is connected with the port of the sliding block bottom plate 4, the copper wire 11 is clamped between the conductive block 16 and the opposite extrusion assembly 18, the electricity connected with the electricity inlet port 17 is connected into the welding block 14, the loop reports the resistance of the copper wire 11 to the resistance detector 1, and the display screen displays the electricity.

The operation is concrete, the top end and the rear end of the insulating sleeve 12 are peeled, the copper wire 11 is placed between the conductive block 16 and the opposite extrusion component 18, the control handle 21 rotates, the handle 21 can drive a screw rod arranged in the turntable 20 to perform rotary displacement in an inner cavity of the screw sleeve 19 when rotating, due to the fact that the live wire cylinder 23 and the screw rod are connected through the live wire, the live wire cylinder 23 pushes the opposite extrusion component 18, the copper wire 11 is clamped, and the ruler strip 9 arranged between the displacement positioning block 5 and the support dragging block 10 can measure the resistance corresponding to the length of the copper wire 11.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The direct current resistance tester comprises a resistance detector (1) and is characterized in that the back surface of the resistance detector (1) is electrically connected with a conductive terminal (2), a power plug (3) is arranged on the left side of the resistance detector (1), the power plug (3) is electrically connected with an electricity inlet port (17), the conductive end of the electricity inlet port (17) is electrically connected with a sliding block bottom plate (4), the rear end of the sliding block bottom plate (4) is provided with a welding block (14), a fixing rod (13) is welded on the front facade of the welding block (14), a conductive block (16) is welded on the top end of the fixing rod (13), the front vertical surface of the conductive block (16) is fixedly connected with an extrusion block (15), an opposite extrusion component (18) is arranged in front of the extrusion block (15), a live wire cylinder (23) is arranged on the back surface of the opposite extrusion component (18);

install insulating block (22) on the front of slider bottom plate (4), the welding of the preceding facade middle part of insulating block (22) has swivel nut (19), threaded connection has the screw rod in swivel nut (19) inner chamber, and the top of screw rod is arranged in the inner chamber of a live wire section of thick bamboo (23), carousel (20) are installed to the bottom of screw rod, install handle (21) on the back of carousel (20).

2. The direct current resistance tester according to claim 1, wherein the middle part of the slider bottom plate (4) is connected with the opposite extrusion component (18) and the conductive block (16) in a sliding way, the conductive block (16) and the opposite extrusion component (18) are arranged in an opposite way, and a copper wire (11) is arranged between the conductive block (16) and the opposite extrusion component (18).

3. The direct current resistance tester of claim 1, wherein a placing panel (7) is arranged below the slider base plate (4), sliding groove strips (8) are arranged on the left side and the right side of the upper surface of the placing panel (7), and the upper side and the lower side of the lower surface of the slider base plate (4) are slidably connected with the two groups of sliding groove strips (8).

4. The direct current resistance tester according to claim 3, wherein a ruler strip (9) and a supporting block (10) are respectively fixedly connected to the middle of the upper surface of the chute strip (8), and the ruler strip (9) is positioned at the left side of the supporting block (10).

5. The direct resistance tester according to claim 4, characterized in that an insulating sleeve (12) is placed on the upper surface of the support lug (10).

6. The direct current resistance tester of claim 3, wherein the left side and the right side of the upper surface of the placing panel (7) are both connected with displacement positioning blocks (5) in a sliding mode, sliders (6) are welded on the lower sides of the lower surfaces of the displacement positioning blocks (5), and the sliders (6) are connected with the sliding groove strips (8) in a sliding mode.