CN220322954U

CN220322954U - Crack resistance detector

Info

Publication number: CN220322954U
Application number: CN202321874387.4U
Authority: CN
Inventors: 孙悦锋; 祖国家; 滕继达; 高艺博; 刘成婧; 郎兆彬; 阮杨
Original assignee: Dalian Xinde Construction Engineering Testing Co ltd
Current assignee: Dalian Xinde Construction Engineering Testing Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-01-09
Anticipated expiration: 2033-07-17

Abstract

The utility model relates to the technical field of detection devices and discloses an anti-cracking performance detector which comprises an equipment box, wherein a cable to be detected is placed at the inner bottom of a cavity of the equipment box, a side door is arranged at the front end of the equipment box, a winding reel is arranged in the cavity of the equipment box, the outer wall surface of the winding reel can be wound with the cable and observe cracking conditions, extrusion assemblies for extruding the cable are arranged on two sides of the winding reel, and a stay wire assembly is arranged below the winding reel. In carrying out crack resistance to the cable and detecting the in-process, twine the cable on the outer wall surface of bobbin in chilly environment, observe the fracture condition on cable surface, through setting up the subassembly of acting as go-between, two stripper plates are close to each other and extrude the cable on the bobbin outer wall surface, observe the fracture condition on cable surface, carry out the same operation under the environment of being hot and observe the fracture condition on cable surface, this device can carry out crack resistance to the cable and detect fast, detection efficiency is high, the data of detecting is more reliable.

Description

Crack resistance detector

Technical Field

The utility model relates to the technical field of detection devices, in particular to a crack resistance detector.

Background

The cable surface is easy to cause electric leakage after cracking, and even can cause personal electric shock casualties, so that the cracking resistance of the cable needs to be clearly known in order to reduce the occurrence of the accidents.

At present, some manufacturers adopt an visual method to detect the cracking resistance of a cable, the looped cable is placed under proper conditions, such as in an oven, outdoors and the like, whether the surface of the cable is cracked or not is observed after a period of time, the cracking condition of the surface of the cable can be visually seen by the method, but the upper cracking limit of the cable cannot be detected very quickly, the dynamic cracking resistance caused by cold bending of the cable in a cold and low-temperature environment cannot be detected, and meanwhile, the detection mode adopted by the manufacturers is not in accordance with the specification of the national standard GB/T2951-2008 general test method for cable and cable insulation and sheath materials, and the detected data is not strict.

Accordingly, a crack resistance detector is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art and provides a crack resistance detector.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the crack resistance detector comprises an equipment box, wherein the equipment box is a hollow cuboid, a cable to be detected is placed at the inner bottom of a cavity of the equipment box, a side door is arranged at the front end of the equipment box, a winding drum in a horizontal state is arranged in the cavity of the equipment box, the outer wall surface of the winding drum can be wound with the cable and observe the cracking condition, two sides of the winding drum are provided with extrusion assemblies for extruding the cable, each extrusion assembly comprises two extrusion plates, the two extrusion plates are mutually close to each other for extruding the cable on the outer wall surface of the winding drum, a stay wire assembly for guiding the cable in the winding process is arranged below the winding drum, and each stay wire assembly comprises a sleeve frame, a rectangular block and a rectangular strip, and the sleeve frame and the rectangular block slide left and right along the rectangular strip.

Preferably, an observation window is arranged at the center of the side door, and a worker can observe the condition in the equipment box through the observation window.

Preferably, the motor is fixedly installed on the right side wall surface of the equipment box, the stepping motor is fixedly installed on the rear end wall surface of the equipment box, the shaft axis of the winding drum fixedly penetrates through the rotating shaft, one end of the rotating shaft is movably installed on one side wall surface in the cavity of the equipment box through a bearing, and the other end of the rotating shaft movably penetrates through the equipment box and is fixedly connected with the output shaft of the motor.

Preferably, the extruding plate is a cuboid, the two sides of the top end wall surface of the extruding plate are respectively fixedly connected with a first fixing block and a second fixing block, the two sides of the bottom end wall surface of the extruding plate are respectively fixedly connected with a clamping block, and the clamping blocks are triangular.

Preferably, the extrusion assembly further comprises a first fixed frame and a second fixed frame, the first fixed frame and the second fixed frame are rectangular frames with the same size, the first fixed frame and the second fixed frame are respectively and fixedly arranged on two sides of the equipment box cavity, a second long rod is fixedly arranged at the hollowed-out part of the second fixed frame, and a first long rod is arranged at the hollowed-out part of the first fixed frame.

Preferably, the second long rod movably penetrates through the second fixed block, the first long rod movably penetrates through the first fixed block, a group of reverse thread grooves are formed in the outer wall surface of the first long rod, the two first fixed blocks are respectively located on the outer wall surfaces of the corresponding thread grooves, one end of each first fixed block is movably mounted on the inner wall surface of the corresponding groove of the first fixed frame through a bearing, and the other end of each first fixed block movably penetrates through the first fixed frame and is fixedly connected with the output shaft of the stepping motor.

Preferably, the two side wall surfaces in the equipment box cavity are fixedly provided with long strip blocks, the long strip blocks are right trapezoid, and the clamping blocks are movably clamped with the long strip blocks.

Preferably, the rectangular strip is horizontally fixedly installed in the equipment box cavity, the rectangular strip is located below the winding reel, the sleeve frame movably penetrates through the rectangular strip, a side wall surface of the sleeve frame is fixedly connected with the rectangular block, a through hole is formed between the top end and the bottom end wall surface of the rectangular block in a penetrating mode, the cable movably penetrates through the rectangular block through the through hole, an electric telescopic rod is fixedly installed at the bottom end of the sleeve frame, and the electric telescopic rod drives the sleeve frame to slide along the rectangular strip.

Preferably, a refrigerating device and a heating device are further arranged in the cavity of the equipment box.

Advantageous effects

The utility model provides a crack resistance detector. The beneficial effects are as follows:

(1) According to the crack resistance detector, in the process of detecting the crack resistance of a cable, the cable is wound on the outer wall surface of the winding reel in a cold environment, the cracking condition of the surface of the cable is observed, the cable on the outer wall surface of the winding reel is extruded by arranging the stay wire assembly and two extrusion plates which are close to each other, the cracking condition of the surface of the cable is observed, the same operation is carried out in a hot environment to observe the cracking condition of the surface of the cable, the crack resistance of the cable can be detected rapidly by the detector, the detection efficiency is high, the detection mode is carried out according to national standard GB/T2951-2008 general test method for cable and optical cable insulation and sheath materials, and the detected data is more reliable.

(2) This crack resistance detects machine, in carrying out extrusion process to the cable, step motor drive first stock rotates, a set of reverse thread groove has been seted up on the outer wall surface of first stock, two first fixed blocks are located respectively on the thread groove outer wall surface that corresponds, first stock rotates and makes two first fixed blocks be close to each other, first fixed block drives stripper plate and second fixed block and carries out synchronous motion, second stock activity runs through the second fixed block, the second fixed block slides along the outer wall surface of second stock, thereby accomplish whole extrusion process, through setting up extrusion subassembly, the crack resistance upper limit of cable can further be detected.

(3) This crack resistance detects machine, at the in-process with cable winding at the bobbin outer wall, can carry out automatic winding through the cooperation of electric telescopic handle and motor, reduce staff's manual operation, the motor rotates and can drive the bobbin and rotate, the motor is flexible makes the cover frame slide along the rectangle strip, the cover frame drives the rectangle piece and carries out synchronous slip, the cable passes the rectangle piece through the via hole, the rectangle piece is removed the cable in removal in-process, thereby reach the purpose with the even winding of cable on the bobbin outer wall, the practicality of this device has been improved through reasonable structural design.

Drawings

FIG. 1 is a schematic view of the appearance structure of an anti-cracking performance detector according to the present utility model;

FIG. 2 is a schematic top view of an crack resistance detector according to the present utility model;

FIG. 3 is a schematic view of the structure of the cavity of the crack resistance detector of the present utility model;

FIG. 4 is a schematic top view of the structure of the chamber of the crack resistance detector of the present utility model;

FIG. 5 is a schematic view of an extrusion assembly of an crack resistance detector according to the present utility model;

fig. 6 is a schematic structural view of a stay wire assembly of the crack resistance detector according to the present utility model.

Legend description:

10. an equipment box; 11. a side door; 12. an observation window; 13. a motor; 14. a stepping motor; 15. a bobbin; 16. an extrusion assembly; 17. a pull wire assembly; 18. an extrusion plate; 19. a first fixing frame; 20. a second fixing frame; 21. a first long rod; 22. a second long rod; 23. a first fixed block; 24. a second fixed block; 25. a clamping block; 26. a sliver block; 27. a rectangular bar; 28. a sleeve frame; 29. rectangular blocks; 30. a via hole; 31. an electric telescopic rod.

Detailed Description

As shown in fig. 1-6: the utility model provides an anticracking performance detects machine, including equipment box 10, equipment box 10 is hollow cuboid, the cable of waiting to detect is placed to the intracavity bottom of equipment box 10, the front end of equipment box 10 is provided with side door 11, the center department of side door 11 is provided with observation window 12, staff's accessible observation window 12 observes the condition in the equipment box 10, the intracavity of equipment box 10 is provided with the bobbin 15 that is the horizontality, the outer wall face of bobbin 15 can twine the cable and observe the fracture condition, the both sides of bobbin 15 are provided with the extrusion subassembly 16 that carries out the extrusion to the cable, extrusion subassembly 16 is including two stripper plates 18, two stripper plates 18 are close to each other and carry out the extrusion to the cable on the outer wall face of bobbin 15, the below of bobbin 15 is provided with the stay wire subassembly 17 that leads the cable in the winding process, stay wire subassembly 17 is including cover frame 28, rectangular piece 29 and rectangular piece 27, cover frame 28 and rectangular piece 29 slide along rectangular piece 27 left and right sides, the intracavity of equipment box 10 still is provided with refrigeration plant and heating plant, refrigeration plant and heating plant are the existing technology, do not repeating here.

Specifically, in the process of detecting the crack resistance of the cable, the cable is wound on the outer wall surface of the winding drum 15 in a cold environment, the crack condition of the surface of the cable is observed, the cable on the outer wall surface of the winding drum 15 is extruded by arranging the wire pulling assembly 17 and two extrusion plates 18 which are mutually close, the crack condition of the surface of the cable is observed, the same operation is carried out in a hot environment to observe the crack condition of the surface of the cable, the device can rapidly detect the crack resistance of the cable, the detection efficiency is high, the detection mode is carried out according to the national standard GB/T2951-2008 general test method for cable and optical cable insulation and sheath materials, and the detected data is more reliable.

The motor 13 is fixedly installed on the right side wall surface of the equipment box 10, the stepping motor 14 is fixedly installed on the rear end wall surface of the equipment box 10, the shaft axis of the winding drum 15 fixedly penetrates through a rotating shaft, one end of the rotating shaft is movably installed on one side wall surface in the cavity of the equipment box 10 through a bearing, and the other end of the rotating shaft movably penetrates through the equipment box 10 and is fixedly connected with the output shaft of the motor 13.

Specifically, the motor 13 is arranged to drive the winding drum 15 to rotate, so that the cable is conveniently wound on the outer wall surface of the winding drum 15.

The stripper plate 18 is the cuboid, and the top wall both sides of stripper plate 18 are fixedly connected with first fixed block 23 and second fixed block 24 respectively, and the bottom wall both sides of stripper plate 18 are all fixedly connected with fixture block 25, and fixture block 25 is triangle-shaped, still fixed mounting has rectangular piece 26 on the wall of equipment box 10 intracavity both sides, and rectangular piece 26 is right trapezoid, fixture block 25 and rectangular piece 26 activity block.

Specifically, the first fixed block 23 and the second fixed block 24 are fixedly installed at the top end of the extrusion plate 18, so that the extrusion plate 18 is conveniently moved, the clamping block 25 is fixedly installed at the bottom end of the extrusion plate 18, the long bar 26 is fixedly installed on two side wall surfaces in the cavity of the equipment box 10, the long bar 26 is in a right trapezoid shape, the clamping block 25 is movably clamped with the long bar 26, and the clamping block 25 is limited by the long bar 26 in the moving process of the extrusion plate 18, so that the moving process is stable.

The extrusion assembly 16 further comprises a first fixing frame 19 and a second fixing frame 20, the first fixing frame 19 and the second fixing frame 20 are rectangular frames with the same size, the first fixing frame 19 and the second fixing frame 20 are respectively and fixedly installed on two sides of a cavity of the equipment box 10, a second long rod 22 is fixedly installed at a hollowed-out position of the second fixing frame 20, a first long rod 21 is arranged at the hollowed-out position of the first fixing frame 19, the second long rod 22 movably penetrates through a second fixing block 24, the first long rod 21 movably penetrates through a first fixing block 23, a group of reverse thread grooves are formed in the outer wall surface of the first long rod 21, the two first fixing blocks 23 are respectively located on the outer wall surfaces of the corresponding thread grooves, one end of each first fixing block 23 is movably installed on the inner wall surface of the corresponding thread groove of the first fixing frame 19 through a bearing, and the other end of each first fixing block 23 movably penetrates through the first fixing frame 19 and is fixedly connected with an output shaft of the stepping motor 14.

Specifically, in the process of extruding the cable, the stepper motor 14 drives the first long rod 21 to rotate, a group of reverse thread grooves are formed in the outer wall surface of the first long rod 21, the two first fixing blocks 23 are respectively located on the outer wall surfaces of the corresponding thread grooves, the first long rod 21 rotates to enable the two first fixing blocks 23 to be close to each other, the first fixing blocks 23 drive the extrusion plate 18 and the second fixing blocks 24 to synchronously move, the second long rod 22 movably penetrates through the second fixing blocks 24, the second fixing blocks 24 slide along the outer wall surface of the second long rod 22, so that the whole extrusion process is completed, and the upper limit of cracking resistance of the cable can be further detected by arranging the extrusion assembly 16.

Rectangular strip 27 is the level state fixed mounting in equipment box 10 intracavity, rectangular strip 27 is located the below of bobbin 15, and cover frame 28 activity runs through rectangular strip 27, and a side wall fixed connection rectangular block 29 of cover frame 28 runs through between the top and bottom wall of rectangular block 29 and has offered via hole 30, and the cable passes through via hole 30 activity and runs through rectangular block 29, and the bottom fixed mounting of cover frame 28 has electric telescopic handle 31, and electric telescopic handle 31 drives cover frame 28 and slides along rectangular strip 27.

In the process of winding the cable on the outer wall surface of the winding drum 15, the cable can be automatically wound through the cooperation of the electric telescopic rod 31 and the motor 13, manual operation of staff is reduced, the winding drum 15 can be driven to rotate through rotation of the motor 13, the motor 13 stretches and contracts to enable the sleeve frame 28 to slide along the rectangular strip 27, the sleeve frame 28 drives the rectangular block 29 to synchronously slide, the cable passes through the rectangular block 29 through the through hole 30, and the rectangular block 29 drives the cable to move in the moving process, so that the cable is uniformly wound on the outer wall surface of the winding drum 15, and the practicability of the device is improved through reasonable structural design.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a crack resistance detects machine, includes equipment box (10), equipment box (10) are hollow cuboid, and the cable of waiting to detect is placed to the intracavity bottom of equipment box (10), its characterized in that: the front end of equipment box (10) is provided with side door (11), the intracavity of equipment box (10) is provided with bobbin (15) that are the horizontality, but the outer wall of bobbin (15) twines the cable and observes the fracture condition, both sides of bobbin (15) are provided with extrusion subassembly (16) that carry out the extrusion to the cable, extrusion subassembly (16) are including two stripper plates (18), two stripper plates (18) are close to each other and extrude the cable on bobbin (15) outer wall, the below of bobbin (15) is provided with and carries out stay wire subassembly (17) of direction to the cable in winding process, stay wire subassembly (17) are including cover frame (28), rectangle piece (29) and rectangle strip (27), cover frame (28) and rectangle piece (29) carry out horizontal slip along rectangle strip (27).

2. The crack resistance detector as set forth in claim 1, wherein: an observation window (12) is arranged in the center of the side door (11), and a worker can observe the condition in the equipment box (10) through the observation window (12).

3. The crack resistance detector as set forth in claim 1, wherein: the motor (13) is fixedly installed on the right side wall surface of the equipment box (10), the stepping motor (14) is fixedly installed on the rear end wall surface of the equipment box (10), the shaft axis of the winding drum (15) fixedly penetrates through a rotating shaft, one end of the rotating shaft is movably installed on one side wall surface in the cavity of the equipment box (10) through a bearing, and the other end of the rotating shaft movably penetrates through the equipment box (10) and is fixedly connected with the output shaft of the motor (13).

4. The crack resistance detector as set forth in claim 1, wherein: the extrusion plate (18) is a cuboid, a first fixed block (23) and a second fixed block (24) are fixedly connected to two sides of the top end wall surface of the extrusion plate (18), clamping blocks (25) are fixedly connected to two sides of the bottom end wall surface of the extrusion plate (18), and the clamping blocks (25) are triangular.

5. The crack resistance detector as set forth in claim 1, wherein: the extrusion assembly (16) further comprises a first fixed frame (19) and a second fixed frame (20), the first fixed frame (19) and the second fixed frame (20) are rectangular frames with the same size, the first fixed frame (19) and the second fixed frame (20) are respectively fixedly installed on two sides of the cavity of the equipment box (10), a second long rod (22) is fixedly installed at the hollowed-out part of the second fixed frame (20), and a first long rod (21) is arranged at the hollowed-out part of the first fixed frame (19).

6. The crack resistance detector as set forth in claim 5, wherein: the second stock (22) activity runs through second fixed block (24), first stock (21) activity runs through first fixed block (23), a set of reverse thread groove has been seted up on the outer wall surface of first stock (21), two first fixed blocks (23) are located respectively on the thread groove outer wall surface that corresponds, the one end of first fixed block (23) is through bearing movable mounting on the recess internal wall surface of first fixed frame (19), the other end activity of first fixed block (23) runs through first fixed frame (19) and with the output shaft fixed connection of step motor (14).

7. The crack resistance detector as set forth in claim 1, wherein: the two side wall surfaces in the cavity of the equipment box (10) are fixedly provided with long strip blocks (26), the long strip blocks (26) are right trapezoid, and the clamping blocks (25) are movably clamped with the long strip blocks (26).

8. The crack resistance detector as set forth in claim 1, wherein: rectangular strip (27) are level state fixed mounting in equipment box (10) intracavity, rectangular strip (27) are located the below of bobbin (15), cover frame (28) activity runs through rectangular strip (27), a side wall fixed connection rectangular block (29) of cover frame (28), run through between the top and the bottom wall of rectangular block (29) and have offered via hole (30), the cable is through via hole (30) activity run through rectangular block (29), the bottom fixed mounting of cover frame (28) has electric telescopic handle (31), electric telescopic handle (31) drive cover frame (28) slide along rectangular strip (27).

9. The crack resistance detector as set forth in claim 1, wherein: refrigerating equipment and heating equipment are also arranged in the cavity of the equipment box (10).