CN219201141U

CN219201141U - Tensile strength testing device for mining cable

Info

Publication number: CN219201141U
Application number: CN202320267921.9U
Authority: CN
Inventors: 田兆云; 巫敏; 朱成颍; 汪开阳
Original assignee: Anhui Yuce Cable Quality Inspection Technology Co ltd
Current assignee: Anhui Yuce Cable Quality Inspection Technology Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-16
Anticipated expiration: 2033-02-14

Abstract

The utility model provides a mining cable tensile strength testing device, which belongs to the technical field of cable detection and comprises a positioning component, wherein the positioning component comprises a base plate, one side of the upper surface of the base plate is rotationally connected with two stand columns, the upper end of each stand column is provided with a lower clamping block and an upper clamping block, the lower clamping blocks and the upper clamping blocks are connected through bolts, the other side of the upper surface of the base plate is provided with a driving component, the driving component comprises a shell and a cover body, the cover body is arranged at the upper edge position of the shell through bolts, and the upper side of the cover body is provided with a force measuring component.

Description

Tensile strength testing device for mining cable

Technical Field

The utility model mainly relates to the technical field of cable detection, in particular to a mining cable tensile strength testing device.

Background

The cable is an electric energy or signal transmission device, and is usually composed of several or several groups of wires, each group of wires is mutually insulated and is often twisted around a center, the whole outside is covered with a highly insulating coating layer, the cable has the characteristics of inner power supply and outer insulation, and the cable is provided with a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like and is used for connecting circuits, electric appliances and the like.

After the cable is extruded and formed, the electric wire and the cable are used as an important carrier for modern electric energy transmission, information transmission and electromagnetic energy conversion, and are an indispensable part in many fields and daily life, and the quality of the electric wire and the cable directly influences the smooth and rapid development of national economy and the safety of personnel and property, so the electric wire and the cable have high requirements on quality and the performance of the cable needs to be tested.

The test of the mining cable mainly comprises the detection of direct current resistance, transition resistance, insulation resistance, power frequency voltage, surface marks, cable outer diameter, conductor filament diameter, insulation thickness, sheath thickness, insulation mechanical property, sheath mechanical property, semiconductive layer peeling test, flame retardant property and the like, in the test of sheath mechanical energy, the tensile test is specifically required to be carried out on the sheath, generally, old staff with a certain working life usually stretches the cable sheath through a dynamometer, and the manual pull test is directly carried out by virtue of feeling and working experience.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly mainly provides a mining cable tensile strength testing device which is used for solving the technical problems that in the tensile test of a sheath, two persons are generally required to operate, the traditional testing mode is low in testing accuracy of the stress limit of the cable sheath, quite troublesome and low in detection efficiency.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a mining cable tensile strength testing arrangement, includes locating component, locating component includes the base plate, base plate upper surface one side rotates and is connected with two stands, every the stand upper end all is provided with down clamp splice and last clamp splice, and passes through bolted connection between clamp splice and the last clamp splice down, base plate upper surface opposite side is provided with drive assembly, drive assembly includes casing and lid, the lid passes through the upper edge position of bolt mounting at the casing, the lid upside is provided with force measuring assembly.

Further, the force measuring assembly comprises a scale box, a spring is arranged on one side of the inner wall of the scale box, a scale mark piece is arranged at one end of the spring, a draw hook is arranged on one side, away from the spring, of the scale mark piece, and the draw hook is located at the middle position of the two stand columns.

Further, the shell is rotationally connected with a screw rod, a nut seat is arranged on the screw rod, a connecting frame is arranged on the upper side of the outer wall of the nut seat, and the upper end of the connecting frame is connected with the bottom of the scale box through a bolt.

Further, one end of the screw rod, which is positioned outside the shell, is provided with a rectangular handle.

Further, the threaded holes of each upper clamping block are connected with butterfly fasteners in a meshed mode.

Further, the four vertex angle positions of the lower surface of the substrate are respectively provided with a sucker.

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

according to the utility model, through the arranged base plate, the upright posts, the lower clamping blocks, the upper clamping blocks and the butterfly fastener, the test part of the cable is positioned in the tensile strength test of the cable sheath, so that the position of the point to be tested for applying force is the middle position of the two upright posts, the mutual coordination among the shell, the cover body, the screw rod, the nut seat, the connecting frame, the rectangular handle and the force measuring component is realized, the point to be tested is determined in advance on the cable sheath by pulling the drag hook for testing, the point to be tested can be applied with force for stretching the plurality of marked test points on the cable sheath, the detection accuracy is improved, the operation can be independently finished by one person, the operation is more convenient and quick, the detection efficiency is improved, compared with the case that the spring is stretched by the spring force measuring meter directly, the situation that the spring is suddenly damaged due to the fact that the pulling force is suddenly excessive is not generated, the direction of the pulling force is stable (namely the force applied to the force measuring component is not suddenly excessive), the deviation is avoided, the structure is simple, the cost is low, the assembly is convenient, and the operation is convenient, and a new employee or an old employee can quickly go up the hand.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a positioning assembly according to the present utility model;

FIG. 3 is a schematic view of a driving assembly according to the present utility model;

FIG. 4 is a schematic diagram of a force measuring assembly according to the present utility model.

In the figure: 1. a positioning assembly; 11. a substrate; 12. a column; 13. a lower clamping block; 14. an upper clamping block; 15. butterfly fasteners; 16. a suction cup; 2. a drive assembly; 21. a housing; 22. a cover body; 23. a screw rod; 24. a nut seat; 25. a connecting frame; 26. a rectangular handle; 3. a force measuring assembly; 31. a scale case; 32. a spring; 33. a scale mark; 34. a drag hook.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this utility model belongs, and the knowledge of terms used in the description of this utility model herein for the purpose of describing particular embodiments is not intended to limit the utility model, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a tensile strength testing device for a mining cable includes a positioning component 1, the positioning component 1 includes a base plate 11, one side of the upper surface of the base plate 11 is rotatably connected with two upright posts 12, each upright post 12 is provided with a lower clamping block 13 and an upper clamping block 14, the lower clamping blocks 13 and the upper clamping blocks 14 are connected through bolts, the other side of the upper surface of the base plate 11 is provided with a driving component 2, the driving component 2 includes a shell 21 and a cover 22, the cover 22 is mounted on the upper edge of the shell 21 through bolts, and the upper side of the cover 22 is provided with a force measuring component 3.

Through the structure, the tensile strength test of the cable sheath is realized, the force application tensile test can be carried out on a plurality of mark points on the cable sheath, the detection accuracy is improved, the operation can be independently finished by one person, the detection efficiency is improved, the structure is simple, the cost is lower, the assembly is convenient, and a new employee or an old employee can quickly go up the hand, so that the device is quite practical;

the method comprises the following steps of firstly placing a base plate 11 on a horizontal workbench, then enabling a cable sheath to pass through clamping blocks corresponding to the upper ends of two upright posts 12, enabling a point marked in advance on the cable sheath to be located at the middle position between the two upright posts 12, then screwing up butterfly fasteners 15, driving a screw rod 23 to rotate through a rectangular handle 26, driving a scale box 31 to move away from one side of the cable through a connecting frame 25 by a nut seat 24, enabling a hook 34 to pull the marked point of the cable sheath to form a V shape, enabling the clamping blocks to deflect towards the direction of the hook 34 under the pulling of the sheath, enabling a spring 32 to be stressed and stretched, enabling a scale mark 33 to move on the scale box 31, displaying the stressed size of the cable sheath in real time, and detecting the tensile strength of the cable.

Referring to fig. 1 and fig. 2, the threaded holes of each upper clamping block 14 are engaged with and connected with butterfly fasteners 15, the cable sheath between the upper clamping block 14 and the lower clamping block 13 is fastened by the butterfly fasteners 15, the suction cups 16 are arranged at the four vertex angle positions of the lower surface of the base plate 11, the base plate 11 can be stably placed on a horizontal workbench through the suction cups 16, and sliding conditions can not occur during detection.

Referring to fig. 3 and fig. 4, the force measuring assembly 3 includes a scale box 31, a spring 32 is disposed on one side of an inner wall of the scale box 31, a scale mark piece 33 is disposed at one end of the spring 32, a draw hook 34 is disposed on one side of the scale mark piece 33 away from the spring 32, the draw hook 34 is located at a middle position of two upright posts 12, display of a force pulling a cable sheath is achieved through the force measuring assembly 3, a force is conveniently applied by a detector according to a situation, a screw rod 23 is rotationally connected to the housing 21, a nut seat 24 is disposed on the screw rod 23, a connecting frame 25 is disposed on an upper side of an outer wall of the nut seat 24, a rectangular handle 26 is disposed at one end of the screw rod 23 located outside the housing 21 and connected with the bottom of the scale box 31 through a bolt, and stable driving force is provided for horizontal linear movement of the draw hook 34 through the driving assembly 2, so that observation of a stress situation of the cable is facilitated.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims

1. The utility model provides a mining cable tensile strength testing arrangement, includes locating component (1), locating component (1) include base plate (11), its characterized in that, base plate (11) upper surface one side rotates and is connected with two stand (12), every stand (12) upper end all is provided with down clamp splice (13) and goes up clamp splice (14), and passes through bolted connection between clamp splice (13) and the last clamp splice (14), base plate (11) upper surface opposite side is provided with actuating component (2), actuating component (2) include casing (21) and lid (22), lid (22) are installed in the upper edge position of casing (21) through the bolt, lid (22) upside is provided with force measuring component (3).

2. The mining cable tensile strength testing device according to claim 1, wherein the force measuring assembly (3) comprises a scale box (31), a spring (32) is arranged on one side of the inner wall of the scale box (31), a scale mark piece (33) is arranged at one end of the spring (32), a draw hook (34) is arranged on one side, away from the spring (32), of the scale mark piece (33), and the draw hook (34) is located at the middle position of the two upright posts (12).

3. The mining cable tensile strength testing device according to claim 1, wherein a screw rod (23) is rotationally connected to the housing (21), a nut seat (24) is arranged on the screw rod (23), a connecting frame (25) is arranged on the upper side of the outer wall of the nut seat (24), and the upper end of the connecting frame (25) is connected with the bottom of the scale box (31) through a bolt.

4. A mining cable tensile strength testing device according to claim 3, characterized in that the screw (23) is provided with a rectangular handle (26) at one end located outside the housing (21).

5. A mining cable tensile strength testing device according to claim 1, wherein a butterfly fastener (15) is engaged and connected in a threaded bore of each upper clamping block (14).

6. The mining cable tensile strength testing device according to claim 1, wherein suction cups (16) are arranged at four vertex angle positions of the lower surface of the base plate (11).