CN214373906U - A cable tensile strength test device - Google Patents

Abstract

The utility model discloses a cable tensile strength testing device, comprising a vertical column, wherein a top plate, a moving plate and a base are sequentially connected to the vertical column from top to bottom; A lower clamp is installed on the surface, and the top plate and the moving plate are provided with through holes for cables to pass through. , a sensor is installed on the lower surface of the moving plate, the sensor is connected with an electric cylinder, and the electric cylinder is connected with the base. The device can detect the tensile strength of any section of cable online, realize the overall and comprehensive detection, and has a very high reference value for the research of cable parameters.

Description

Cable tensile strength testing device

Technical Field

The utility model relates to an electric field especially relates to a cable tensile strength testing arrangement.

Background

The cable can bear longitudinal tension in the installation and laying process, and the maximum tension which the cable can bear is the tensile strength of the cable. The tensile strength test is an important test item of various performance indexes of the cable, only a part of cable samples are intercepted for detection in the prior art, then statistical analysis and probability calculation are utilized, the real tensile strength of each section of cable cannot be truly reflected, in some important occasions, the tensile strength of the whole cable needs to be comprehensively mastered and tested, and the test device does not exist in the market at present.

Disclosure of Invention

To these problems, the utility model discloses a cable tensile strength testing arrangement, the device can the tensile strength of one section arbitrary cable of on-line measuring, realizes wholly, detects comprehensively, has high reference value to the research of cable parameter.

The utility model provides a cable tensile strength testing arrangement, includes the stand, the stand has connected gradually roof, movable plate and base from last to bottom, the lower surface mounting of roof has last anchor clamps, the last surface mounting of movable plate has anchor clamps down, roof and movable plate all are provided with the through-hole that the power supply cable passed, and the through-hole axis of roof, the central line of last anchor clamps, the central line of lower anchor clamps and the through-hole axis of movable plate are all coaxial, movable plate under surface mounting has the sensor, the sensor is connected with electronic jar, electronic jar is connected with the base.

Preferably, the upper clamp and the lower clamp respectively comprise a left clamping block and a right clamping block which are matched with each other, the left clamping block and the right clamping block are respectively provided with a V-shaped clamping opening, the left clamping block and the right clamping block are connected with the screw rod through threads together, and the left clamping block and the right clamping block are opposite in moving direction along the screw rod.

Preferably, the lower surface of roof and the upper surface of movable plate all are provided with the guide way, left clamp splice and right clamp splice bottom all be provided with guide way complex guide block.

Preferably, the screw rod is rotatably connected with the moving plate, and one end of the screw rod is connected with a motor.

Preferably, the upper surface of the top plate and the lower surface of the moving plate are respectively and rotatably connected with a guide wheel.

Preferably, a linear bearing is arranged between the moving plate and the upright post.

Preferably, the number of the upright columns is four, and the four upright columns are distributed at four corner points of the base.

The utility model has the advantages that:

1. the utility model discloses a set up the through-hole at roof and movable plate, the cable runs through behind this through-hole and is cliied by relative movement's anchor clamps, and electronic jar passes through the sensor and drives anchor clamps and carry out tensile test to the cable, can realize the tensile strength of each section cable of on-line measuring.

2. The axis of the through hole of the top plate, the axis of the upper clamp, the axis of the lower clamp and the axis of the through hole of the moving plate are all coaxial, so that the testing accuracy and stability are ensured, and the influence of lateral force is reduced.

3. The leading wheel can lead the protection to the cable of corner, prevents that the stress concentration of corner from arousing the cable and buckle.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is a sectional view A-A of FIG. 1;

fig. 3 is a left side view of the present invention;

FIG. 4 is a perspective view of the present invention;

in the figure, the device comprises a base 1, a base 2, an electric cylinder 3, a vertical column 4, a lower support 5, a moving plate 6, a screw rod 7, a lower clamp 8, an upper clamp 9, a top plate 10, an upper support 11, a cable 12, a guide wheel 13, a motor 14 and a sensor.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it should be understood that the terms "inside", "outside", "left" and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The utility model discloses a cable tensile strength testing arrangement as shown in fig. 1-4, rectangular structure is constituteed to four stands 3, and four stands from last to having connected gradually roof 9, movable plate 5 and base 1 jointly down, are provided with linear bearing between movable plate and the stand, ensure that the movable plate smoothly slides from top to bottom along the stand. The lower surface mounting of roof has last anchor clamps 8, and surface mounting has lower anchor clamps 7 at the movable plate, goes up anchor clamps and all includes left clamp splice and the right clamp splice that mutually supports the setting down, and left clamp splice and right clamp splice all are provided with the V type and press from both sides the mouth, and the cable clamping is between two V type clamp splices, and roof lower surface and movable plate upper surface all process the guide way, left clamp splice and right clamp splice bottom all be provided with guide way complex guide block. The lower surface of the top plate and the upper surface of the movable plate are both provided with a support frame, a lead screw 6 is connected in the support frame in a rotating mode, and one end of the lead screw is connected with a motor 13. The left clamping block and the right clamping block are connected with the screw rod through threads together, threads of a matching part of the screw rod and the left clamping block and threads of a matching part of the screw rod and the right clamping block are opposite in rotating direction, namely the left clamping block and the right clamping block move relatively or oppositely along the screw rod.

The top plate and the movable plate are provided with through holes for cables to pass through, and the axis of the through hole of the top plate, the axis of the upper clamp, the axis of the lower clamp and the axis of the through hole of the movable plate are coaxial, so that the testing accuracy and stability are ensured, and the influence of lateral force is reduced. An upper bracket 10 is arranged on the upper surface of the top plate, a lower bracket 4 is arranged on the lower surface of the movable plate, and a guide wheel 12 is rotatably connected on each bracket. The leading wheel can lead the protection to the cable of corner, prevents that the stress concentration of corner from arousing the cable and buckle.

The lower surface of the moving plate is provided with a sensor 14, an electric cylinder 2 is connected below the sensor, and the bottom of the electric cylinder is connected with the base 1.

When the device is used, a cable sequentially penetrates through the through hole of the top plate and the through hole of the movable plate, the motor is started, the left clamping block and the right clamping block are driven to move relatively through the lead screw, the cable between the top plate and the movable plate is clamped tightly, the movable plate is pulled downwards by the electric cylinder, the sensor detects the tensile force applied to the cable, and the tensile strength of the cable can be tested. After the test is finished, the electric cylinder resets, the left clamping block and the right clamping block move back to back, the cable moves upwards or downwards for a certain distance, and equipment is continuously started to test a new section of cable.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. a cable tensile strength testing device, is characterized in that, comprises upright column, described upright column is connected with top plate, moving plate and base successively from top to bottom, the lower surface of described top plate is equipped with upper clamp, described moving plate A lower clamp is installed on the upper surface of the top plate, and the top plate and the moving plate are provided with through holes for cables to pass through. Coaxially, a sensor is installed on the lower surface of the moving plate, the sensor is connected with an electric cylinder, and the electric cylinder is connected with the base. 2. A cable tensile strength testing device according to claim 1, wherein the upper clamp and the lower clamp both comprise a left clamp block and a right clamp block that are arranged in cooperation with each other, and the left clamp block and the right clamp The clamping blocks are all provided with V-shaped clamping openings, the left clamping block and the right clamping block are threadedly connected with the screw rod, and the left clamping block and the right clamping block move in opposite directions along the screw rod. 3. A cable tensile strength testing device according to claim 2, characterized in that, the lower surface of the top plate and the upper surface of the moving plate are provided with guide grooves, and the bottoms of the left clamping block and the right clamping block are both provided with There are guide blocks matched with the guide grooves. 4 . The cable tensile strength testing device according to claim 2 , wherein the screw rod is rotatably connected with the moving plate, and one end of the screw rod is connected with a motor. 5 . 5 . The cable tensile strength testing device according to claim 1 , wherein the upper surface of the top plate and the lower surface of the moving plate are respectively rotatably connected with guide wheels. 6 . 6 . The cable tensile strength testing device according to claim 1 , wherein a linear bearing is arranged between the moving plate and the upright column. 7 . 7 . The cable tensile strength testing device according to claim 1 , wherein the number of the uprights is four, and the four uprights are distributed at four corners of the base. 8 .

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