CN212483224U

CN212483224U - Power line bending tester

Info

Publication number: CN212483224U
Application number: CN202021138917.5U
Authority: CN
Inventors: 李阿强; 杨艳菊; 徐柯立
Original assignee: Zhuhai Jiayi Testing Equipment Co ltd
Current assignee: Zhuhai Jiayi Testing Equipment Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-02-05
Anticipated expiration: 2030-06-18

Abstract

The utility model relates to a testing machine technical field especially relates to a power cord bending test machine, solves the shortcoming that can not influence the detection of power bending property to the bending rate of power cord, unwrapping wire speed too fast according to the specification adjustment of different power cords, including the frame, the left end fixed mounting of frame has the motor, the right-hand member of motor is provided with the pivot, the pivot has been cup jointed in the frame is slided, the right-hand member welding of pivot has square piece, square piece's right-hand member joint has the carousel, the right-hand member contact connection of carousel has the dead lever. The utility model discloses an at opening part welding sleeve to the crooked in-process of power cord, the pinch roller uses through the effect of first spring to compress tightly the power cord, increases the frictional force between power cord and the pinch roller for at the unwrapping wire in-process, the power cord is in the state of tightening all the time, avoids the too fast crooked testing result of influence to the power cord of unwrapping wire speed.

Description

Power line bending tester

Technical Field

The utility model relates to a testing machine technical field especially relates to a power cord bending test machine.

Background

The power line bending tester is special equipment for bending test of power lines of small household appliances, can directly fix household appliances on a turntable and repeatedly bend at a specified speed so as to check the long-time bending resistance of the wires. The device mainly aims to provide power line bending test equipment which is suitable for a plurality of standard requirements, convenient and quick to set and has fair and accurate test data for household appliance manufacturers, quality inspection departments and certification institutions.

In the prior art, when the power line bending tester bends the power line, the bending rate of the power line cannot be adjusted according to specifications of different power lines, the universality is poor, and meanwhile, in the process of bending the power line, the detection of the power bending performance can be influenced by the too high paying-off speed of the power line. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the bending rate of power cord, the too fast detection that influences power bending property of unwrapping wire speed can not be adjusted according to the specification of different power cords, and the power cord bending test machine that provides.

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

a power line bending tester comprises a frame, wherein a motor is fixedly installed at the left end of the frame, a rotating shaft is arranged at the right end of the motor, the rotating shaft is sleeved in the frame in a sliding mode, a square block is welded at the right end of the rotating shaft, a turntable is clamped at the right end of the square block, a fixed rod is connected to the right end of the turntable in a contact mode, a hook is welded at the lower end of the fixed rod, a connecting block is welded at the right end of the turntable, a first spring is welded at the lower end of the connecting block, the fixed rod is welded at the lower end of the first spring, a moving plate is connected to the right end of the turntable in a sliding mode, a sliding groove is formed in the right end of the turntable, a sliding block is arranged at the left end of the moving plate, a sliding block is sleeved, the interior of frame has seted up the opening, open-ended lower surface welding has the sleeve, be provided with the second spring in the sleeve, sliding sleeve has cup jointed the bracing piece in the sleeve, the upper end of bracing piece is provided with the pinch roll.

Preferably, the left end of the turntable is provided with a square groove, and a square block is clamped in the square groove.

Preferably, the connecting blocks have two, and two connecting blocks weld respectively at the right-hand member of carousel and the left end of supporting disk, and the lower extreme of two connecting blocks all welds and has first spring.

Preferably, the number of the moving plates is two, and the two moving plates are symmetrically distributed at the right end of the turntable.

Preferably, the right end welding of supporting disk has the back shaft, set up the support groove in the frame, sliding connection has the back shaft in the support groove.

Preferably, the lower end of the second spring is in contact connection with a sleeve, and the upper end of the second spring is in contact connection with a supporting rod.

The utility model has the advantages that: according to the power line bending testing machine, the sliding groove is formed in the rotary table, the sliding block is connected with the sliding block in the sliding groove in a sliding mode, the sliding block is fixed on the movable plate, the positive and negative threaded screw rod is sleeved in the sliding block through threads, the sliding block can slide in the sliding groove by rotating the positive and negative threaded screw rod, the position of the movable plate is adjusted, the position of the movable plate can be adjusted according to different specifications of power lines when the power lines are bent, the bending rate of the power lines is adjusted, and the applicability is wider;

through welding the sleeve at the opening part at the crooked in-process of power cord, the pinch roller uses through the effect of second spring to compress tightly the power cord, increases the frictional force between power cord and the pinch roller for at the unwrapping wire in-process, the power cord is in the state of tightening all the time, avoids the crooked testing result of the too fast influence of unwrapping wire speed to the power cord.

Drawings

Fig. 1 is a schematic structural diagram of a power line bending tester provided by the present invention;

fig. 2 is a right side view of the support plate in fig. 1 of the power line bending tester provided by the present invention;

fig. 3 is a cross-sectional view of the sleeve in fig. 1 of a power line bending tester provided by the present invention;

fig. 4 is the top view of fig. 1 of a power line bending tester provided by the present invention.

In the figure: 1. a frame; 2. an electric motor; 3. a rotating shaft; 4. a square block; 5. a turntable; 6. a square groove; 7. fixing the rod; 8. hooking; 9. connecting blocks; 10. a first spring; 11. moving the plate; 12. a chute; 13. a slider; 14. a positive and negative thread lead screw; 15. a support disc; 16. a support shaft; 17. a support groove; 18. an opening; 19. a sleeve; 20. a second spring; 21. a support bar; 22. and a pressure roller.

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. 1-4, a power line bending tester comprises a frame 1, a motor 2 is fixedly installed at the left end of the frame 1, a rotating shaft 3 is arranged at the right end of the motor 2, the rotating shaft 3 is slidably sleeved in the frame 1, a square block 4 is welded at the right end of the rotating shaft 3, a rotary disc 5 is clamped at the right end of the square block 4, a fixed rod 7 is connected at the right end of the rotary disc 5 in a contact manner, a hook 8 is welded at the lower end of the fixed rod 7, a connecting block 9 is welded at the right end of the rotary disc 5, a first spring 10 is welded at the lower end of the connecting block 9, a fixed rod 7 is welded at the lower end of the first spring 10, a movable plate 11 is slidably connected at the right end of the rotary disc 5, a chute 12 is formed at the right end of the movable plate 11, a, the outer side of the positive and negative thread screw rod 14 is sleeved with a sliding block 13 through threads, the right end of the moving plate 11 is connected with a supporting plate 15 in a sliding mode, an opening 18 is formed in the frame 1, a sleeve 19 is welded to the lower surface of the opening 18, a second spring 20 is arranged in the sleeve 19, a supporting rod 21 is sleeved in the sleeve 19 in a sliding mode, and a pressing roller 22 is arranged at the upper end of the supporting rod 21;

the sliding groove 12 is formed in the rotary table 5, the sliding block 13 is connected in the sliding groove 12 in a sliding mode, the sliding block 13 is fixed on the movable plate 11, the forward and reverse threaded screw rod 14 is sleeved in the sliding block 13 through threads, the sliding block 13 can slide in the sliding groove 12 by rotating the forward and reverse threaded screw rod 14, the position of the movable plate 11 is adjusted, when the power line is bent, the position of the movable plate 11 can be adjusted according to different specifications of the power line, the bending rate of the power line is adjusted, and the applicability is wider;

in the process of bending the power line by welding the sleeve 19 at the opening 18, the pressing roller 22 compresses the power line through the action of the second spring 20, so that the friction force between the power line and the pressing roller 22 is increased, the power line is always in a tightening state in the paying-off process, and the bending detection result of the power line due to the excessively fast paying-off speed is avoided.

In this embodiment, square groove 6 has been seted up to the left end of carousel 5, and square piece 4 has been pegged graft in square groove 6. Through setting up square groove 6 and square 4 cooperation and making pivot 3 rotate and can drive carousel 5 and rotate.

In this embodiment, connecting block 9 has two, and two connecting blocks 9 weld respectively at the right-hand member of carousel 5 and the left end of supporting disk 15, and the lower extreme of two connecting blocks 9 all welds first spring 10. The fixing rod 7 can move by arranging the first spring 10, so that the power line can be conveniently hung on the hook 8.

In this embodiment, there are two moving plates 11, and the two moving plates 11 are symmetrically distributed at the right end of the turntable 5. The curvature of the wound power line can be adjusted by adjusting the distance between the two movable plates through the two movable plates 11.

In this embodiment, the right end of the supporting plate 15 is welded with a supporting shaft 16, a supporting groove 17 is formed in the frame 1, and the supporting shaft 16 is slidably connected in the supporting groove 17. The supporting plate 15 is supported by the supporting groove 17 and the supporting shaft 16.

In this embodiment, the lower end of the second spring 20 is connected to the sleeve 19 in a contact manner, and the upper end of the second spring 20 is connected to the support rod 21 in a contact manner. The support rod 21 is movable up and down within the sleeve 19 by the provision of a second spring 20.

The specific implementation process is as follows: when the device is used, a power line is placed on the pressing roller 22, one end of the power line is hung on the hook 8, the pressing roller 22 presses the power line under the action of the second spring 20, the friction force between the power line and the pressing roller 22 is increased, so that the power line is always in a tightened state in the paying-off process, the bending detection result of the power line due to the excessively fast paying-off speed is avoided, the motor 2 is started through an external plug, the motor 2 starts the rotating shaft 3 to rotate, the rotating shaft 3 rotates to drive the square block 4 to rotate, the square block 4 rotates to drive the turntable 5 to rotate, the turntable 5 rotates to enable the movable plate 11 to wind and bend the power line on the hook 8, the slide block 13 is connected in the sliding groove 12 in a sliding manner, the positive and negative thread lead screw 14 is sleeved in the slide block 13 through a thread, the movable plate 13 can slide in the sliding groove, when the power line is bent, the position of the moving plate 11 can be adjusted according to different specifications of the power line, so that the bending rate of the power line is adjusted, and the power line bending device is wide in applicability.

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 power line bending tester comprises a frame (1) and is characterized in that a motor (2) is fixedly mounted at the left end of the frame (1), a rotating shaft (3) is arranged at the right end of the motor (2), the rotating shaft (3) is sleeved in the frame (1) in a sliding manner, a square block (4) is welded at the right end of the rotating shaft (3), a turntable (5) is clamped at the right end of the square block (4), a fixed rod (7) is connected to the right end of the turntable (5) in a contact manner, a hook (8) is welded at the lower end of the fixed rod (7), a connecting block (9) is welded at the right end of the turntable (5), a first spring (10) is welded at the lower end of the connecting block (9), the fixed rod (7) is welded at the lower end of the first spring (10), a movable plate (11) is slidably connected at the right end of, the left end of movable plate (11) is provided with slider (13), slider (13) have been cup jointed in sliding groove (12), positive and negative screw lead screw (14) have been cup jointed in carousel (5), slider (13) have been cup jointed through the screw thread in the outside of positive and negative screw lead screw (14), the right-hand member sliding connection of movable plate (11) has supporting disk (15), opening (18) have been seted up to the interior of frame (1), the lower skin weld of opening (18) has sleeve (19), be provided with second spring (20) in sleeve (19), it has bracing piece (21) to slide in sleeve (19), the upper end of bracing piece (21) is provided with compressing roller (22).

2. The power cord bending tester according to claim 1, wherein a square groove (6) is formed at the left end of the turntable (5), and a square block (4) is connected in the square groove (6) in a clamping manner.

3. The power line bending tester according to claim 1, wherein the number of the connecting blocks (9) is two, the two connecting blocks (9) are respectively welded at the right end of the turntable (5) and the left end of the supporting disk (15), and the first spring (10) is welded at the lower ends of the two connecting blocks (9).

4. The power cord bending tester according to claim 1, wherein the number of the moving plates (11) is two, and the two moving plates (11) are symmetrically distributed at the right end of the turntable (5).

5. The power cord bending tester according to claim 1, wherein a support shaft (16) is welded to the right end of the support plate (15), a support groove (17) is formed in the frame (1), and the support shaft (16) is slidably connected in the support groove (17).

6. The power cord bending tester according to claim 1, wherein the lower end of the second spring (20) is in contact connection with a sleeve (19), and the upper end of the second spring (20) is in contact connection with a support rod (21).