CN211292993U

CN211292993U - Automatic tensioning device for wires and cables of direct current resistance tester

Info

Publication number: CN211292993U
Application number: CN201922192819.3U
Authority: CN
Inventors: 华家杰; 厉华阳; 施晓凡
Original assignee: Hangzhou Construction Quality Testing Centre Co ltd
Current assignee: Hangzhou Construction Quality Testing Centre Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-18
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses an automatic wire and cable tensioning device of a direct current resistance tester, which comprises a base and a workbench, the upper end of the base is provided with a workbench, the base is fixedly connected with the workbench through bolts, the left end and the right end of the workbench are respectively provided with a limiting plate, the upper end of the workbench is provided with a graduated scale, the utility model changes the traditional manual tension device for the electric wire and the cable into an electric tension device, therefore, the electric wire and the cable can be straightened better, the state that the electric wire and the cable are not straightened is avoided, thus, the test can be more accurate, by arranging the fixing clamp in the utility model, so that the operation of tensioning the electric wire can be better carried out when the tensioning of the electric wire cable is carried out, therefore, the problem that the detection result is inaccurate due to the fact that the electric wire and the cable are not straightened stably and are bent when the existing direct current resistance tester is used for detecting is solved.

Description

Automatic tensioning device for wires and cables of direct current resistance tester

Technical Field

The utility model belongs to the technical field of the test equipment is relevant, concretely relates to automatic straining device of direct current resistance tester wire and cable.

Background

The fast DC resistance tester is a high precision upgrading product to replace DC single and double arm bridge. The DC resistance rapid tester adopts an advanced switching power supply technology, and a measurement result is displayed by a dot-matrix liquid crystal. The defect that the value displayed by an LED of other similar products is inconvenient to read in the sun is overcome, and the automatic arc extinction function is achieved. The direct current resistance test of the transformer winding is an indispensable test project after the transformer is handed over, overhauled and changed with a tap switch.

The existing direct current resistance tester technology has the following problems: the existing direct current resistance tester generally adopts manual clamping to fix when working, so that the situation that partial electric wires and cables are not straightened due to unstable manual straightening can occur when detecting, and the problem that the bending of the electric wires and cables has certain influence on the test can occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic straining device of direct current resistance tester electric wire to solve the current direct current resistance tester that provides in the above-mentioned background art and can appear that electric wire and cable unstability of flare-outing leads to the crooked unsafe problem that causes the testing result when detecting.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic straining device of direct current resistance tester wire and cable, includes base and workstation, the upper end of base is provided with the workstation, the base passes through bolt fixed connection with the workstation, both ends respectively are provided with a limiting plate about the workstation, the upper end of workstation is provided with the scale, the scale cup joints fixedly with the workstation, both ends respectively are provided with a mounting fixture about the workstation, mounting fixture passes through bolt fixed connection with the workstation, mounting fixture's left end upper side is provided with straining device, straining device passes through bolt fixed connection with mounting fixture, the upper end of workstation is provided with the detector main part, detector main part and power electric connection, the right side of detector main part is provided with the control cabinet, control cabinet and power electric connection, straining device's constitution is including motor, spacing plectane, dwang and fixed plate, motor and power electric connection, the right-hand member of motor is provided with spacing plectane, the right-hand member of spacing plectane is provided with the dwang, the right-hand member of dwang is provided with the fixed plate, straining device cup joints fixedly through fixed plate and mounting fixture.

Preferably, mounting fixture's constitution is including terminal, branch, platform, runner and bottom plate, the right-hand member of terminal is provided with branch, the right-hand member of branch is provided with the platform, the lower extreme of platform is provided with the bottom plate, the front end table side of bottom plate is provided with the runner, mounting fixture passes through bolt fixed connection through bottom plate and workstation.

Preferably, the constitution of detector main part connects hole, ground wire to connect hole, power plug, operation display mechanism and printer including connecting plate, test wire, the front end table side of connecting plate is provided with the printer, printer and power electric connection, the right-hand member of printer is provided with operation display mechanism, operation display mechanism's right-hand member is provided with power plug, power plug's upper end is provided with the ground wire and connects the hole, the left end that the ground wire connects the hole is provided with the test wire and connects the hole, the detector main part passes through connecting plate and base through screw fixed connection.

Preferably, the inside in test line hole is provided with four wiring ends altogether, the wiring end in test line hole adopts bolt fixed connection, the test line hole is two black wiring ends and two red wiring ends respectively.

Preferably, the graduated scale is a strip-shaped plate-shaped structure, the surface end of the graduated scale is provided with graduated numerical values, and the graduated scale is fixedly connected with the workbench through screws.

Preferably, the operation display mechanism is electrically connected with the power supply, a display screen and operation keys are arranged inside the operation display mechanism, and the operation keys inside the operation display mechanism are respectively a confirmation key and a reset key.

Preferably, the limiting plates are arranged in two, the two limiting plates are respectively arranged at the left end and the right end of the workbench, and the two limiting plates are fixedly connected with the workbench through bolts.

Preferably, the fixed clamp is provided with two altogether, two the fixed clamp passes through bolted connection respectively and controls both ends table side at the workstation, two the size and the specification of fixed clamp are all the same.

Compared with the prior art, the utility model provides an automatic straining device of direct current resistance tester wire and cable possesses following beneficial effect:

(1) the utility model changes the traditional manual tension device of the electric wire and cable into the electric tension device, so that the electric wire and cable can be straightened better, the state that the electric wire and cable are not directly straightened is avoided, and the test is more accurate;

(2) the utility model discloses in through being provided with mounting fixture, can be so that this straining device can be fixed more stable, like this can be better carry out the taut operation of electric wire when carrying out electric wire and cable's is taut to solved current direct current resistance tester and can appear electric wire and cable when detecting that the instability that straightens leads to crooked inaccurate problem that causes the testing result.

Drawings

Fig. 1 is a schematic structural view of an automatic wire and cable tensioning device of the direct current resistance tester of the present invention;

FIG. 2 is a schematic structural view of the tensioning mechanism of the present invention;

FIG. 3 is a schematic structural view of the fixing clip of the present invention;

FIG. 4 is a schematic view of the main structure of the detector of the present invention;

in the figure: 1. a tensioning mechanism; 11. an electric motor; 12. a limiting circular plate; 13. rotating the rod; 14. a fixing plate; 2. fixing the clamp; 21. a binding post; 22. a strut; 23. a platform; 24. a rotating wheel; 25. a base plate; 3. a graduated scale; 4. a work table; 5. a detector main body; 51. a connecting plate; 52. testing line connection holes; 53. a ground wire connecting hole; 54. a power plug; 55. an operation display mechanism; 56. a printer; 6. a console; 7. a limiting plate; 8. a base.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an automatic tensioning device for wires and cables of a direct current resistance tester comprises a base 8 and a workbench 4, wherein the upper end of the base 8 is provided with the workbench 4, the base 8 is fixedly connected with the workbench 4 through bolts, the left end and the right end of the workbench 4 are respectively provided with a limiting plate 7, the limiting plates 7 are respectively provided with two limiting plates so as to better limit, the two limiting plates 7 are respectively arranged at the left end and the right end of the workbench 4, the two limiting plates 7 are fixedly connected with the workbench 4 through bolts, the upper end of the workbench 4 is provided with a graduated scale 3, the graduated scale 3 is of a strip-shaped plate structure so as to effectively detect scales, the surface end of the graduated scale 3 is provided with scale values, the graduated scale 3 is fixedly connected with the workbench 4 through bolts, the graduated scale 3 is fixedly sleeved with the workbench 4, the left end and the right end of the workbench 4 are respectively provided with a fixing, the fixing clamp 2 comprises a binding post 21, a supporting rod 22, a platform 23, a rotating wheel 24 and a bottom plate 25, the supporting rod 22 is arranged at the right end of the binding post 21, the platform 23 is arranged at the right end of the supporting rod 22, the bottom plate 25 is arranged at the lower end of the platform 23, so that the fixing is more compact, the rotating wheel 24 is arranged on the front end surface side of the bottom plate 25, the fixing clamp 2 is fixedly connected with the workbench 4 through a bolt through the bottom plate 25, the fixing clamp 2 is fixedly connected with the workbench 4 through a bolt, the fixing clamps 2 are totally provided with two fixing clamps 2, so that the fixing can be more stable, the two fixing clamps 2 are respectively connected on the left end surface side and the right end surface side of the workbench 4 through bolts, the sizes and the specifications of the two fixing clamps 2 are the same, a tensioning mechanism 1 is arranged on the upper side of the left end of the fixing clamp 2, the tensioning mechanism 1, the detector main body 5 comprises a connecting plate 51, a test line connecting hole 52, a ground line connecting hole 53, a power plug 54, an operation display mechanism 55 and a printer 56, wherein the printer 56 is arranged on the front end surface side of the connecting plate 51,

an automatic tension device for wire and cable of DC resistance tester comprises a printer 56 electrically connected with a power supply, an operation display mechanism 55 arranged at the right end of the printer 56, the operation display mechanism 55 electrically connected with the power supply, a display screen and operation keys arranged inside the operation display mechanism 55 for better operation, wherein the operation keys inside the operation display mechanism 55 are a confirmation key and a reset key respectively, a power plug 54 is arranged at the right end of the operation display mechanism 55 for better connection of the power supply, a ground wire connection hole 53 is arranged at the upper end of the power plug 54, a test wire connection hole 52 is arranged at the left end of the ground wire connection hole 53, four terminals are arranged inside the test wire connection hole 52, the terminals inside the test wire connection hole 52 are fixedly connected by bolts, thereby better connection of circuits can be realized, test line connects hole 52 to be two black terminals and two red terminals respectively, detector main part 5 passes through connecting plate 51 and passes through screw fixed connection with base 8, detector main part 5 and power electric connection, the right side of detector main part 5 is provided with control cabinet 6, control cabinet 6 and power electric connection, straining device 1's constitution is including motor 11, spacing plectane 12, dwang 13 and fixed plate 14, motor 11 and power electric connection, motor 11's right-hand member is provided with spacing plectane 12, the right-hand member of spacing plectane 12 is provided with dwang 13, the right-hand member of dwang 13 is provided with fixed plate 14, straining device 1 cup joints fixedly through fixed plate 14 and mounting fixture 2.

The utility model discloses a theory of operation and use flow: when the device is used, firstly, the device is powered on, then the electric wire and cable to be detected are taken out, then the electric wire and cable are firmly connected with the test wire connecting hole 52 of the device, then the tensioning mechanism 1 is fixed in the fixing clamp 2, then under the rotation of the motor 11 in the tensioning mechanism 1, the model of the motor 11 is GA12-N20, the rotating rod 13 can be driven to rotate, so that the electric wire and cable can be tensioned automatically, the ground wire connecting hole 53 is connected, then the power switch is opened, and simultaneously the minimum current value can be displayed on the display screen in the operation display mechanism 55, at the moment, the preset current of the tested electric wire and cable can be selected through the selection key, each current value can roll on the display screen of the operation display mechanism 55 every time the selection key is pressed, after the current is selected, the confirmation key in the operation display mechanism 55 is pressed, the test is started, and when the confirmation key is pressed, the display screen inside the operation display mechanism 55 shows that charging is underway, and after a few seconds, the test is underway, which indicates that charging is completed. And entering a test state, and displaying the measured resistance value after a few seconds. After the test is finished, a reset key in the operation display mechanism 55 is pressed, the instrument power supply is disconnected from the winding, the discharge is carried out, the sound alarm is carried out, the ammeter returns to the zero position, at the moment, the display screen of the operation display mechanism 55 returns to the initial state, the wire can be connected again after the discharge sound is finished, the next measurement is carried out, or the test wire and the power wire are detached to finish the measurement, so that the use of the device is finished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic overspeed device tensioner of direct current resistance tester wire and cable, includes base (8) and workstation (4), its characterized in that: the upper end of the base (8) is provided with a workbench (4), the base (8) is fixedly connected with the workbench (4) through bolts, the left end and the right end of the workbench (4) are respectively provided with a limiting plate (7), the upper end of the workbench (4) is provided with a graduated scale (3), the graduated scale (3) is fixedly sleeved with the workbench (4), the left end and the right end of the workbench (4) are respectively provided with a fixing clamp (2), the fixing clamp (2) is fixedly connected with the workbench (4) through bolts, the upper side of the left end of the fixing clamp (2) is provided with a tensioning mechanism (1), the tensioning mechanism (1) is fixedly connected with the fixing clamp (2) through bolts, the upper end of the workbench (4) is provided with a detector main body (5), the detector main body (5) is electrically connected with a power supply, the right side of the detector main body (5) is provided with a control console (6), control cabinet (6) and power electric connection, the constitution of straining device (1) is including motor (11), spacing plectane (12), dwang (13) and fixed plate (14), motor (11) and power electric connection, the right-hand member of motor (11) is provided with spacing plectane (12), the right-hand member of spacing plectane (12) is provided with dwang (13), the right-hand member of dwang (13) is provided with fixed plate (14), straining device (1) cup joints fixedly through fixed plate (14) and mounting fixture (2).

2. The automatic tightening device of wire and cable of DC resistance tester as claimed in claim 1, wherein: the utility model discloses a fixing clamp for work platform, including terminal (21), branch (22), platform (23), runner (24) and bottom plate (25), the right-hand member of terminal (21) is provided with branch (22), the right-hand member of branch (22) is provided with platform (23), the lower extreme of platform (23) is provided with bottom plate (25), the front end table side of bottom plate (25) is provided with runner (24), fixing clamp (2) pass through bolt fixed connection through bottom plate (25) and workstation (4).

3. The automatic tightening device of wire and cable of DC resistance tester as claimed in claim 1, wherein: the detector main part (5) comprises a connecting plate (51), a test line connecting hole (52), a ground line connecting hole (53), a power plug (54), an operation display mechanism (55) and a printer (56), wherein the printer (56) is arranged on the front end surface side of the connecting plate (51), the printer (56) is electrically connected with a power supply, the operation display mechanism (55) is arranged at the right end of the printer (56), the power plug (54) is arranged at the right end of the operation display mechanism (55), the ground line connecting hole (53) is arranged at the upper end of the power plug (54), the test line connecting hole (52) is arranged at the left end of the ground line connecting hole (53), and the detector main part (5) is fixedly connected with the base (8) through screws through the connecting plate (51).

4. The automatic tightening device of wire and cable of DC resistance tester as claimed in claim 3, wherein: the inside in test line hole (52) is provided with four wiring ends altogether, the inside wiring end in test line hole (52) adopts bolt fixed connection, test line hole (52) are two black wiring ends and two red wiring ends respectively.

5. The automatic tightening device of wire and cable of DC resistance tester as claimed in claim 1, wherein: the scale (3) is of a strip-shaped plate-shaped structure, scale values are arranged at the surface end of the scale (3), and the scale (3) is fixedly connected with the workbench (4) through screws.

6. The automatic tightening device of wire and cable of DC resistance tester as claimed in claim 3, wherein: the operation display mechanism (55) is electrically connected with the power supply, a display screen and operation keys are arranged inside the operation display mechanism (55), and the operation keys inside the operation display mechanism (55) are respectively a confirmation key and a reset key.

7. The automatic tightening device of wire and cable of DC resistance tester as claimed in claim 1, wherein: the limiting plates (7) are arranged in two, the limiting plates (7) are arranged at the left end and the right end of the workbench (4) respectively, and the limiting plates (7) are fixedly connected with the workbench (4) through bolts.

8. The automatic tightening device of wire and cable of DC resistance tester as claimed in claim 1, wherein: the fixing clamp (2) is provided with two, two the fixing clamp (2) is respectively connected to the left end surface side and the right end surface side of the workbench (4) through bolts, and the size and the specification of the fixing clamp (2) are the same.