Slope protective net steel cable strength testing device

Abstract

The utility model is applicable to the field of protective net strength testing equipment, and provides a slope protective net steel cable strength testing device which comprises a mounting frame, and a plurality of fixing buckles for fixing the net surface of a protective net are mounted on the mounting frame; a tensile machine is mounted at the top of the mounting frame, a tensile machine output end is arranged at the bottom of the tensile machine, a mounting head is mounted at the bottom of the tensile machine output end, and a plug is detachably connected to the bottom of the mounting head; the plug comprises a lifting seat, and the top of the lifting seat is fixedly connected with a plurality of insertion strips. A gap is formed between the top of the lifting seat and the bottom of the mounting head. Therefore, the device can accurately test the strength of the steel cable of the protective net, and is simple in structure, convenient to operate and high in reliability and accuracy. By replacing plugs of different specifications and types, different test requirements can be met, and the test flexibility and practicability are improved.

Description

TECHNICAL FIELD

[0001] The utility model is suitable for the field of protective net strength test equipment, provide a kind of side slope protective net cable strength testing device. BACKGROUND

[0002] Side slope protective net is a kind of protective facilities for preventing landslides, debris flow and other natural disasters, and is widely used in highway, railway, mine, building and other engineering projects. Side slope protective net is firmly fixed by the fastening effect of net structure and cable on loose soil and rock blocks on the side slope, so as to prevent it from sliding and reduce the threat to the facilities and personnel below.

[0003] The cable of side slope protective net is one of its key components, responsible for bearing the tension of the entire protective system and ensuring the stability and safety of side slope protective net. The strength of cable directly affects the working performance and service life of protective net, therefore, cable strength test is an important means to ensure the quality of side slope protective net. Cable strength test usually measures the load-carrying capacity of cable under load by tensile testing instrument. Such test can provide key information about the quality of cable, material performance and installation process, so as to ensure the effectiveness of protective system.

[0004] However, the existing side slope protective net cable strength testing device mostly only focuses on the tensile load-carrying capacity of cable itself, but fails to fully consider the tensile load-carrying condition of the connection point between cable and other components of protective net. In actual application, the connection point between cable and protective net mesh, fixed support point is often subjected to great tensile force and friction force, and the strength of these connection points is crucial to the safety of the whole protective net. At present, most testing devices fail to test the tensile force between cable and connection point separately, which leads to insufficient strength of connection point in actual use and failure to discover potential safety hazards in time. Therefore, it has become a technical problem to be solved to develop a device capable of testing the tensile force of cable connection point, so as to improve the safety and reliability of side slope protective net. UTILITY MODEL CONTENTS

[0005] In view of the above defects, the utility model aims to provide a kind of side slope protective net cable strength testing device, the purpose is to solve the problem raised in the background art, the device includes mounting frame, the mounting frame is installed with a plurality of fixed buckles for fixing the net surface of protective net;The top of the mounting frame is provided with a tensile testing machine, and the bottom of the tensile testing machine is provided with a tensile testing machine output end;The bottom of the tensile testing machine output end is provided with a mounting head, and the bottom of the mounting head is detachably connected with a plug;The plug includes a lifting seat, and the top of the lifting seat is fixedly connected with a plurality of plug strips;The top of the lifting seat and the bottom of the mounting head are provided with a gap.

[0006] Further, the mounting frame comprises a plurality of vertical load-bearing rows fixed on the ground and forming a rectangular structure, horizontal fixing rows are fixedly connected between lower positions of adjacent vertical load-bearing rows, and the fixing buckle is mounted on the horizontal fixing row.

[0007] Further, the mounting head is detachably connected to the output end of the tension machine.

[0008] Further, the mounting head is rotatably connected to the output end of the tension machine.

[0009] Further, the bottom of the output end of the tension machine is fixedly connected with a fixing seat, the mounting head comprises a first mounting part and a second mounting part, the first mounting part and the second mounting part are both provided with a first screw hole and a fixing groove matched with the fixing seat, and the first mounting part and the second mounting part are fixedly connected through the first screw hole.

[0010] Further, the side of the first mounting part close to the second mounting part is fixedly connected with a plug-in part, the side of the second mounting part close to the first mounting part is provided with a plug-in groove matched with the plug-in part, and the plug-in part can be inserted into the plug-in groove.

[0011] Further, the bottom of the plug-in part is fixedly connected with a mounting seat, and the mounting seat is detachably connected with the plug.

[0012] Further, the mounting seat is provided with a plurality of mounting grooves corresponding to the plug, and the mounting grooves are provided with second screw holes; the plug is provided with third screw holes matched with the second screw holes; and the plug and the mounting seat are bolted through the second screw holes and the third screw holes.

[0013] Further, the output end of the tension machine is arranged at the center position of the mounting frame.

[0014] Further, the top edge of the lifting seat is in a circular arc structure.

[0015] The device realizes accurate testing of the strength of the protective net steel cable, has simple structure, convenient operation, high reliability and accuracy, can adapt to different testing requirements by replacing plugs of different specifications and types, improves the flexibility and practicality of testing, and further improves the accuracy and authenticity of testing by optimizing the structure design of the plug and the connection mode between the mounting head and the output end of the tension machine, thereby providing strong technical support for the design and construction of the slope protective net. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a device structure schematic view;

[0017] Figure 2 is a tension machine output end structure schematic view;

[0018] Figure 3 is a fixed seat structure schematic view;

[0019] Figure 4 is a first mounting portion structure schematic view;

[0020] Figure 5 is a second mounting portion structure schematic view;

[0021] Figure 6 is a plug structure schematic view;

[0022] In the figure: 01 - protective net; 02 - fixed buckle; 1 - mounting frame; 2 - tension machine; 21 - tension machine output end; 22 - fixed seat; 3 - mounting head; 301 - first screw hole; 31 - first mounting portion; 32 - second mounting portion; 33 - plug-in portion; 34 - mounting seat; 341 - mounting groove; 342 - second screw hole; 35 - fixed groove; 36 - plug-in groove; 4 - plug; 41 - lifting seat; 42 - plug strip; 43 - third screw hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0024] It should be noted that, in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] At the same time, in the description of the present application, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0027] Referring to Figures 1-6 The utility model aims at providing a kind of side slope protection net steel cable strength testing device, including mounting frame 1, mounting frame 1 includes multiple fixed on ground and forms the vertical load-bearing row frame of rectangular structure, the vertical load-bearing row frame of rectangular structure is convenient for subsequent laying protection net, and the lower part position between adjacent vertical load-bearing row frame is fixedly connected with horizontal fixed row frame, and the entire rim of protection net 01 is fixed on horizontal fixed row frame by several fixed buckles 02 02, the net surface of entire protection net 01 to be tested is fixed, it is convenient for subsequent anti-top breaking test.

[0028] The top of vertical load-bearing row frame is provided with crossbeam, and the center of crossbeam is fixed with tension machine 2, and the output end of tension machine 2 is tension machine output end 21, and tension machine output end 21 is arranged to the below of crossbeam, and the bottom of tension machine output end 21 is installed with mounting head 3, and the bottom of mounting head 3 is installed with plug 4. Plug includes lifting seat 41, and the top of lifting seat 41 is fixedly connected with several insertion strips 42, and insertion strip 42 is evenly on the top of lifting seat 41, and plug 4 is detachably connected with mounting head 3, and gap is arranged between the top of lifting seat 41 and the bottom of mounting head 3.

[0029] Preferably, the mounting head 3 is detachably connected to the tension machine output end 21, and the mounting head 3 can rotate on the tension machine output end 21. Specifically, the bottom of the tension machine output end 21 is fixedly connected with a fixing seat 22, the mounting head 3 includes a first mounting portion 31 and a second mounting portion 32, and the first mounting portion 31 and the second mounting portion 32 are provided with a first screw hole 301 and a fixing groove 35 matched with the fixing seat 22, and the first mounting portion 31 and the second mounting portion 32 are fixedly connected by the first screw hole 301. During installation, the fixing seat 22 at the bottom of the tension machine output end 21 can be embedded in the two fixing grooves, and the first mounting portion 31 and the second mounting portion 32 are fixed by bolts. At this time, the fixing seat 22 plays a limiting role, and the mounting head 3 can rotate freely at the bottom of the tension machine output end 21.

[0030] Preferably, the first mounting portion 31 is fixedly connected with a plug-in portion 33 on the side close to the second mounting portion 32, the second mounting portion 32 is provided with a plug-in slot 36 matched with the plug-in portion 33 on the side close to the first mounting portion 31, and the plug-in portion 33 can be inserted into the plug-in slot 36. The bottom of the plug-in portion 33 is fixedly connected with a mounting seat 34, and the mounting seat 34 is detachably connected with the plug 4. The plug-in portion 33 can ensure that the first mounting portion 31 and the second mounting portion 32 are more stable in connection. Meanwhile, the mounting seat 34 is fixedly connected at the bottom of the first mounting portion 31, and the mounting seat 34 is fixedly connected with the plug-in portion 33, so that the mounting seat 34 is less likely to be deformed or broken when bearing tension, thereby increasing the reliability of the device.

[0031] Preferably, the mounting seat 34 is provided with a plurality of mounting slots 341 corresponding to the plug strips 42, and the mounting slots 341 are provided with second screw holes 342; the plug strips 42 are provided with third screw holes 43 matched with the second screw holes 342; and the plug 4 is bolt-connected with the mounting seat 34 through the second screw holes 342 and the third screw holes 43.

[0032] Preferably, the tension machine output end 21 is arranged at the central position of the mounting rack 1. When the plug 4 is fixed above the protective net 01 and starts to act, the steel cords at the test position of the protective net 01 can be ensured to bear uniform force, and more accurate test results can be provided.

[0033] Preferably, the top edge of the lifting seat 41 is in a circular arc structure, and the upper surface to the lower surface of the lifting seat 41 is smoothly transitioned. The upper surface of the lifting seat 41 in the circular arc structure can prevent the steel cords of the protective net 01 from being broken due to the high pressure caused by the edges of the lifting seat 41 during the tension process, so that the tension test is more real.

[0034] In summary, in actual use, first, the edge of the protective net 01 to be tested is fixed on the transverse fixed row frame through the fixing buckle 02, so that the protective net 01 is ensured to be evenly and stably laid on the mounting rack 1. Then, a suitable plug 4 is selected according to the test requirement. During use, if the type or specification of the plug 4 needs to be changed, the original plug 4 can be conveniently detached and replaced with a new plug 4, so as to adapt to different test requirements. The tension machine 2 is started, and the tension machine output end 21 starts to move downward, driving the mounting head 3 to descend together, and stopping when reaching the position close to the protective net 01. At this time, the plug 4 is installed from below the protective net 01, and the node of the steel cord of the protective net 01 is ensured to be inserted between the plug strips 42, and then the plug strips 42 are bolt-connected on the mounting seat 34. The mounting head 3 is cooperated with the fixing seat 22 at the bottom of the tension machine output end 21 through the first mounting portion 31 and the second mounting portion 32 thereon, and is fixed by bolts, so that the mounting head 3 can freely rotate on the tension machine output end 21, so as to adapt to various angle changes that may occur during the test.

[0035] Start the puller 2, the puller 2 drives the plug 4 to move up, with the continuous work of the puller 2, the puller output end 21 constantly exerts upward tension, which is transmitted to the steel cable of the protective net 01 through the plug 4. The tester can observe and record the tension value displayed by the puller 2, and the deformation and fracture of the steel cable of the protective net 01, so as to evaluate whether the strength meets the design requirements.

[0036] Therefore, the device realizes accurate testing of the strength of the steel cable of the protective net. The device has simple structure, convenient operation, high reliability and accuracy. By replacing plugs 4 of different specifications and types, different testing requirements can be met, and the flexibility and practicality of the test are improved. At the same time, the device further improves the accuracy and authenticity of the test by optimizing the structure design of the plug 4 and the connection mode between the mounting head 3 and the puller output end 21, and provides strong technical support for the design and construction of the slope protective net.

[0037] Of course, the present application can also have other various embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present application without departing from the spirit and essence of the present application. However, these corresponding changes and modifications should belong to the protection scope of the claims attached to the present application.

Claims

1. A device for testing the strength of a cable of a slope protection net, characterized in that The application relates to a protective net installation frame, which comprises a mounting frame (1) provided with a plurality of fixing buckles (02) for fixing the surface of a protective net (01); a tension machine (2) is mounted on the top of the mounting frame (1), the bottom of the tension machine (2) is provided with a tension machine output end (21), the bottom of the tension machine output end (21) is provided with a mounting head (3), the bottom of the mounting head (3) is detachably connected with a plug (4), the plug (4) comprises a lifting seat (41), the top of the lifting seat (41) is fixedly connected with a plurality of plug strips (42), and a gap is formed between the top of the lifting seat (41) and the bottom of the mounting head (3).

2. The device for testing the strength of a cable of a slope protection net according to claim 1, characterized in that, The mounting frame (1) comprises a plurality of vertical load-bearing rows of frames fixed on the ground and forming a rectangular structure, horizontal fixing rows of frames are fixedly connected between the lower parts of adjacent vertical load-bearing rows of frames, and the fixing buckles (02) are mounted on the horizontal fixing rows of frames.

3. The device of claim 1, wherein, The mounting head (3) is detachably connected with the tension machine output end (21).

4. The device of claim 2, wherein, The mounting head (3) is rotationally connected with the tension machine output end (21).

5. The device of claim 3, wherein, The bottom of the tension machine output end (21) is fixedly connected with a fixing seat (22), the mounting head (3) comprises a first mounting part (31) and a second mounting part (32), the first mounting part (31) and the second mounting part (32) are provided with first screw holes (301) and fixing grooves (35) matched with the fixing seat (22), and the first mounting part (31) and the second mounting part (32) are fixedly connected through the first screw holes (301).

6. The device of claim 5, wherein, The first mounting part (31) is fixedly connected with a plug-in part (33) on one side close to the second mounting part (32), the second mounting part (32) is provided with a plug-in groove (36) matched with the plug-in part (33) on one side close to the first mounting part (31), and the plug-in part (33) can be inserted into the plug-in groove (36).

7. The device of claim 6, wherein, The bottom of the plug-in part (33) is fixedly connected with a mounting seat (34), and the mounting seat (34) is detachably connected with the plug (4).

8. The device of claim 6, wherein, The mounting seat (34) is provided with a plurality of mounting grooves (341) corresponding to the plug strips (42), and the mounting grooves (341) are provided with second screw holes (342); the plug strips (42) are provided with third screw holes (43) matched with the second screw holes (342); and the plug (4) and the mounting seat (34) are bolt-connected through the second screw holes (342) and the third screw holes (43).

9. The device of claim 1, wherein, The tension machine output end (21) is arranged at the central position of the mounting frame (1).

10. The device of claim 1, wherein, The top edge of the lifting seat (41) is in a circular arc structure.

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