CN215339273U

CN215339273U - Power line tension and torsion testing machine convenient to operate

Info

Publication number: CN215339273U
Application number: CN202121549636.3U
Authority: CN
Inventors: 张剑; 汪旭旦
Original assignee: Continental Electronic And Electrical Testing Service Shenzhen Co ltd
Current assignee: Continental Electronic And Electrical Testing Service Shenzhen Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-28
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a power line tension-torsion force testing machine convenient to operate, which comprises two movable bases, wherein a fixed block is arranged between the two movable bases, a double-headed lead screw penetrates through the middle of the fixed block, two ends of the double-headed lead screw are movably inserted into the movable bases, threaded rings are arranged on the outer sides of the two ends of the double-headed lead screw and connected with the movable bases through screws, two support frames are arranged on the surface of each movable base, a winding roller is arranged between the two support frames, a winding spiral clamping groove is formed in the outer surface of the winding roller, and fixed pressing plates are movably arranged above and below the winding roller. According to the utility model, the winding roller, the fixed pressing plate, the anti-skidding spiral clamping groove, the winding spiral clamping groove, the adjusting support plate and the adjusting screw rod are arranged to conveniently clamp the power line, and the power line is ensured not to slide when tested after being clamped, so that the accuracy of a detection result is ensured.

Description

Power line tension and torsion testing machine convenient to operate

Technical Field

The utility model relates to the technical field of power line tension-torsion testing machines, in particular to a power line tension-torsion force testing machine convenient to operate.

Background

With the rapid development of social economy, a tension and torsion testing machine is an electronic device for simulating tension or torsion borne by a power line in the use process of a household appliance product, whether insulation of the power line is damaged or not and whether a connecting end of the power line is loosened or not are checked under the action of the tension and the torsion, and the tension and torsion testing machine comprises tension, counting, distance measuring, a connecting head and the like.

However, the existing power line is inconvenient to clamp during testing due to the appearance of the power line, or the clamped part of the power line is broken due to excessive force during clamping, so that the detection result is inaccurate; therefore, the existing requirements are not met, and a power line tension and torsion force testing machine convenient to operate is provided for the power line tension and torsion force testing machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power line tension and torsion testing machine convenient to operate, and aims to solve the problems that the power line is inconvenient to clamp during testing due to the appearance of the power line or the clamped part of the power line is broken due to excessive force during clamping, the detection result is inaccurate and the like in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a power line tension-torsion testing machine convenient to operate comprises two movable bases, wherein a fixed block is arranged between the two movable bases, a double-end lead screw penetrates through the middle of the fixed block, the two ends of the double-end lead screw are movably inserted into the movable bases, the outer sides of the two ends of the double-end lead screw are respectively provided with a threaded ring, the threaded rings are connected with the movable bases through screws, the surface of each movable base is provided with two support frames, a winding roller is arranged between the two support frames, the outer surface of the winding roller is provided with a winding spiral clamping groove, the upper part and the lower part of the winding roller are respectively movably provided with a fixed pressing plate, the inner side surface of each fixed pressing plate is provided with an anti-skidding spiral clamping groove, the end surfaces of the two ends of each fixed pressing plate are respectively provided with an adjusting support plate, the other end of each adjusting support plate is movably inserted into the corresponding support frame, the adjusting support plate is connected with the support frame in a sliding mode, and an adjusting screw rod penetrates through the middle of the end portion, inserted into the support frame in a movable mode, of the adjusting support plate.

Preferably, the thread directions of the inner sides of the two thread rings are completely opposite, and the thread rings and the double-end screw rod are in thread transmission.

Preferably, the middle of the winding roller is provided with a support rod in a penetrating mode, and two ends of the support rod are inserted into the support frame in a inserting mode.

Preferably, the outer surfaces of the two ends of the adjusting screw rod and the inner sides of the two adjusting support plates are respectively provided with threads with opposite rotation directions, and the adjusting screw rod and the adjusting support plates are in threaded transmission.

Preferably, the inner side surface of the anti-skid spiral clamping groove is provided with a rubber gasket, and the surface of the rubber gasket is rough.

Preferably, the side surfaces of the two ends of the fixed pressing plate are respectively provided with a positioning groove, and the inner side of each positioning groove is provided with a pressurizing filling block.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the power line is wound in the winding spiral clamping grooves on the outer sides of the two winding drums, then the power supply of the device is switched on, the adjusting screw rod rotates under the driving of the power component connected with the adjusting screw rod after the power supply is switched on, at the moment, the two adjusting support plates on the outer sides of the adjusting screw rod can move mutually to drive the two fixing press plates to move synchronously, so that the fixing press plates are attached to the outer sides of the winding drums until the two fixing press plates are attached to each other and completely cover the winding drums, at the moment, the anti-skidding spiral clamping grooves and the winding spiral clamping grooves can clamp the power line, the clamping of the power line can be rapidly completed, the power supply property can not slide, and the accuracy of a test result is ensured;

2. according to the anti-skidding type power line clamping device, the anti-skidding spiral clamping grooves on the outer surface of the winding roller and the anti-skidding spiral clamping grooves on the inner side surface of the fixed pressing plate correspond to each other, and the anti-skidding spiral clamping grooves are in a spiral shape, so that the power line can be uniformly stressed during clamping, the phenomenon that a certain section of power line is broken due to overlarge pressure can be avoided, the anti-skidding spiral clamping grooves and the anti-skidding spiral clamping grooves in the spiral shape facilitate the winding operation of the power line, the disassembly after the test is finished is facilitated, and the working efficiency is effectively improved.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic structural view of a wind-up drum of the present invention;

FIG. 3 is a partial sectional view of the support frame of the present invention;

fig. 4 is a schematic structural view of the fixing block of the present invention.

In the figure: 1. a movable base; 2. a support frame; 3. adjusting the support plate; 4. fixing the pressing plate; 5. pressurizing the filling block; 6. winding the roller; 7. an anti-slip spiral slot; 8. a support bar; 9. winding the spiral clamping groove; 10. adjusting the screw rod; 11. a fixed block; 12. a double-end screw rod; 13. a threaded ring.

Detailed Description

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

Referring to fig. 1 to 4, an embodiment of the present invention includes: a power line tension and torsion testing machine convenient to operate comprises two movable bases 1, a fixed block 11 is arranged between the two movable bases 1, a double-headed lead screw 12 penetrates through the middle of the fixed block 11, two ends of the double-headed lead screw 12 are movably inserted in the movable bases 1, threaded rings 13 are arranged on the outer sides of two ends of the double-headed lead screw 12, the threaded rings 13 are connected with the movable bases 1 through screws, two support frames 2 are mounted on the surface of the movable bases 1, a winding roller 6 is arranged between the two support frames 2, a winding spiral clamping groove 9 is arranged on the outer surface of the winding roller 6, fixed pressing plates 4 are movably arranged above and below the winding roller 6, anti-skidding spiral clamping grooves 7 are arranged on the inner side surfaces of the fixed pressing plates 4, adjusting supporting plates 3 are arranged on the end surfaces of two ends of the fixed pressing plates 4, and the other ends of the adjusting supporting plates 3 are movably inserted in the corresponding support frames 2, adjusting support plate 3 and support frame 2 sliding connection, adjusting support plate 3 activity is pegged graft and is run through in the middle of the inside tip of support frame 2 and is provided with adjusting screw 10.

Further, the screw thread turning directions of the inner sides of the two screw thread rings 13 are completely opposite, and the screw thread rings 13 and the double-end screw rod 12 are in screw thread transmission, so that the double-end screw rod 12 can smoothly drive the two movable bases 1 to move mutually or oppositely under the driving of the power assembly, and a tension test or resetting is carried out on a power line.

Further, the middle of winding drum 6 is run through and is provided with bracing piece 8, and the both ends of bracing piece 8 are pegged graft in the inside of support frame 2, and bracing piece 8 supports winding drum 6, and the restriction winding drum 6 can not appear rotatoryly when the power cord carries out the tensile test.

Further, adjusting screw 10's both ends surface and two inboard of adjusting backup pad 3 all are provided with and revolve to opposite screw thread, and adjusting screw 10 passes through screw thread transmission with adjusting backup pad 3, and two smooth drive adjusting backup pads 3 drive two fixed pressing plates 4 and are close to or keep away from to winding cylinder 6, are convenient for carry out the clamping to the power cord or loosen the back and take off.

Further, the inside surface of antiskid helical groove 7 is provided with the rubber gasket, and the rubber gasket surface is coarse, and the frictional resistance that the power cord received after two fixed pressing plate 4 to 6 outside winding power cord clamping of winding cylinder can effectual increase, appears sliding when avoiding the power cord to test.

Further, the side surfaces of the two ends of the fixed pressing plate 4 are provided with positioning grooves, the inner sides of the positioning grooves are provided with pressurizing filling blocks 5, the positioning grooves facilitate the power supply to penetrate through and keep horizontal, and the pressurizing filling blocks 5 cover the winding roller 6 or pressurize the power supply at the two fixed pressing plates 4, so that the power supply is prevented from sliding.

The working principle is as follows: when the device is used, a tester winds a power line in the winding spiral clamping grooves 9 on the outer sides of the two winding rollers 6, then the power supply of the device is switched on, the adjusting screw 10 rotates under the driving of a power component connected with the adjusting screw 10 after the power supply is switched on, at the moment, the two adjusting support plates 3 on the outer sides of the adjusting screw 10 move mutually to drive the two fixed press plates 4 to move synchronously, so that the fixed press plates 4 are attached to the outer sides of the winding rollers 6 until the two fixed press plates 4 are attached to each other and completely cover the winding rollers 6, at the moment, the anti-skidding spiral clamping grooves 7 and the winding spiral clamping grooves 9 clamp the power line, then the power supply of a power mechanism connected with the double-end lead screw 12 is started, at the moment, the double-end lead screw 12 rotates and drives the two thread rings 13 to move oppositely, so that the movable base 1 of the double-end lead screw 12 moves along the axis of the double-end lead screw 12, and the distance between the two movable bases 1 is gradually increased, make the power cord tensile to test, through the cover and the pressurization of solid fixed pressing plate 4, winding cylinder 6, anti-skidding spiral clamping groove 7 and winding spiral clamping groove 9 to the power cord, completion that can be quick is to the clamping of power cord, and the accuracy nature of test result can not appear sliding in the power nature.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a power cord draws torsional force testing machine convenient to operation, includes two movable base (1), its characterized in that: a fixed block (11) is arranged in the middle of the two movable bases (1), a double-headed screw rod (12) penetrates through the middle of the fixed block (11), two ends of the double-headed screw rod (12) are movably inserted into the movable bases (1), thread rings (13) are arranged on the outer sides of two ends of the double-headed screw rod (12), the thread rings (13) are connected with the movable bases (1) through screws, two support frames (2) are mounted on the surface of the movable bases (1), a winding roller (6) is arranged in the middle of the two support frames (2), a winding spiral clamping groove (9) is formed in the outer surface of the winding roller (6), fixed press plates (4) are movably arranged above and below the winding roller (6), anti-skidding spiral clamping grooves (7) are formed in the inner side surfaces of the fixed press plates (4), and adjusting support plates (3) are arranged on the end surfaces of two ends of the fixed press plates (4), the other end of the adjusting support plate (3) is movably inserted into the corresponding support frame (2), the adjusting support plate (3) is connected with the support frame (2) in a sliding mode, and the adjusting support plate (3) is movably inserted into the middle of the end part inside the support frame (2) and provided with an adjusting screw rod (10) in a penetrating mode.

2. The power cord tension-torsion testing machine convenient to operate according to claim 1, is characterized in that: the thread turning directions of the inner sides of the two thread rings (13) are completely opposite, and the thread rings (13) and the double-head screw rod (12) are in thread transmission.

3. The power cord tension-torsion testing machine convenient to operate according to claim 1, is characterized in that: the middle of the winding roller (6) is provided with a support rod (8) in a penetrating mode, and two ends of the support rod (8) are inserted into the support frame (2) in a plugging mode.

4. The power cord tension-torsion testing machine convenient to operate according to claim 1, is characterized in that: the outer surfaces of the two ends of the adjusting screw rod (10) and the inner sides of the two adjusting support plates (3) are provided with threads with opposite rotating directions, and the adjusting screw rod (10) and the adjusting support plates (3) are in thread transmission.

5. The power cord tension-torsion testing machine convenient to operate according to claim 1, is characterized in that: the inner side surface of the anti-skid spiral clamping groove (7) is provided with a rubber gasket, and the surface of the rubber gasket is rough.

6. The power cord tension-torsion testing machine convenient to operate according to claim 1, is characterized in that: the side surfaces of two ends of the fixed pressing plate (4) are respectively provided with a positioning groove, and the inner side of each positioning groove is provided with a pressurizing filling block (5).