CN116296168A - Vibration Fatigue Test System for Overhead Conductor Suspension Clamp System and Clamping Method - Google Patents

Abstract

The invention provides a suspension wire clamp system and a wire clamping method for an overhead wire vibration fatigue test system. The system includes a foundation support and a wire clamp device connection seat arranged on the foundation support; The wire clamp support frame and the wire clamp support frame both include an upper fixing block, and the bottom of the upper fixing block is connected with three fixing feet, and the bottom of the fixing feet is connected with the connecting seat of the wire clamp device through a fixing plate; the bottom of the upper fixing block is respectively provided with a The vertical adjustment rod is uniformly provided with at least two screw holes; it also includes a clamp support beam, and the two ends of the clamp support beam are respectively inserted into the two screw holes for fixing; the bottom center of the clamp support beam Connected with suspension clamps. When the device is in use, the height of the wire clamp support beam can be adjusted according to the height of the steel-cored aluminum stranded wire sample to be tested to adapt to different situations. At the same time, the connection seat of the wire clamp device is embedded in the foundation support and is fixed to the ground , This fixed method of steel prices is stable.

Description

Vibration Fatigue Test System for Overhead Conductor Suspension Clamp System and Clamping Method

technical field

The invention specifically relates to a suspension wire clamp system and a wire clamp method of an overhead wire vibration fatigue test system.

Background technique

Steel-cored aluminum stranded wire is an important carrier of power transmission. With the construction of ultra-high voltage and ultra-high voltage transmission lines, large-capacity and long-distance transmission lines have been put into operation one after another, and the requirements for line safety are getting higher and higher. The operating environment of overhead conductors is complex, and they are often in a state of breeze vibration under the action of breeze. The accidents of conductor fatigue damage caused by breeze vibration occur from time to time, which directly affects the safe operation of transmission lines. The detection of vibration fatigue performance of overhead conductors is a high-frequency vibration test that simulates the conductors under the condition of breeze vibration, and this experiment requires fixing both ends of the steel-cored aluminum strand The suspension clamp device is used to limit the position of the steel core aluminum stranded wire, and then the excitation system and the monitoring system are used to test. Therefore, a suspension clamp device for the vibration fatigue test of overhead conductors is proposed.

Contents of the invention

The object of the present invention is to address the deficiencies in the prior art and provide a suspension clamp system for an overhead conductor vibration fatigue test system, which can well solve the above problems.

In order to meet the above requirements, the technical solution adopted by the present invention is to provide a suspension clamp system for an overhead wire vibration fatigue test system, which includes a foundation support and a suspension set on the foundation support. The connection seat of the wire clamp device; two wire clamp support frames are arranged above the wire clamp device connection seat, and the wire clamp support frames all include an upper fixing block, and three fixing feet are connected to the bottom of the upper fixing block, and the fixing feet The bottom is connected to the connecting seat of the clamp device through a fixing plate; a vertical adjustment rod is respectively provided at the bottom of the upper fixing block, and at least two screw holes are evenly provided on the vertical adjustment rod; a wire clamp support beam is also included, The two ends of the clamp supporting beam are respectively inserted into two screw holes for fixing; the bottom center of the clamp supporting beam is connected with a hanging clamp.

The advantages of the suspension clamp system of the overhead conductor vibration fatigue test system are as follows:

When the device is in use, the height of the wire clamp support beam can be adjusted according to the height of the steel-cored aluminum stranded wire sample to be tested to adapt to different situations. At the same time, the connection seat of the wire clamp device is embedded in the foundation support and is fixed to the ground , This fixed method of steel prices is stable.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the application and constitute a part of the application. In these drawings, the same reference numerals are used to indicate the same or similar parts. The illustrative embodiments of the application and their descriptions are used The purpose of explaining this application does not constitute an improper limitation of this application. In the attached picture:

Fig. 1 schematically shows the structure diagram of a suspension clamp system of an overhead conductor vibration fatigue test system according to an embodiment of the present application.

Fig. 2 schematically shows a schematic structural view of a suspension clamp system of an overhead conductor vibration fatigue test system according to an embodiment of the present application.

Fig. 3 schematically shows the structure at the clamp support frame of the suspension clamp system of the overhead conductor vibration fatigue test system according to an embodiment of the present application.

Among them: 1. Connection seat of wire clamp device; 2. Foundation support; 3. Sample of steel-reinforced aluminum stranded wire; 4. Suspension wire clamp; 5. Wire clamp support beam; 6. Wire clamp support frame; 7. Upper fixing block , 8, fixed foot; 9, fixed plate; 10, vertical adjustment rod; 11, screw hole.

Detailed ways

In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

In the following description, references to "one embodiment," "an embodiment," "an example," "example," etc. indicate that such described embodiment or example may include a particular feature, structure, characteristic, property, element, or limitations, but not every embodiment or example necessarily includes the specific feature, structure, characteristic, property, element or limitation. Additionally, repeated use of the phrase "according to one embodiment of the present application" does not necessarily refer to the same embodiment, although it may.

For simplicity, some technical features known to those skilled in the art are omitted from the following description.

According to one embodiment of the present application, a suspension clamp system of an overhead wire vibration fatigue test system is provided, as shown in Figures 1-3, including a foundation support 2 and a connection seat 1 for a clamp device arranged on the foundation support 2 Two wire clamp support frames 6 are arranged on the top of the wire clamp device connecting seat 1, and the wire clamp support frames 6 all include an upper fixing block 7, and the bottom of the upper fixing block 7 is connected with three fixed feet 8, and the fixing The bottom of the leg 8 is connected to the connecting seat 1 of the wire clamp device through a fixing plate 9 .

According to an embodiment of the present application, the bottom of the upper fixing block 7 of the suspension clamp system of the overhead wire vibration fatigue test system is respectively provided with a vertical adjustment rod 10, and at least two bolts are evenly arranged on the vertical adjustment rod 10. Hole 11.

According to an embodiment of the present application, the suspension clamp system of the overhead wire vibration fatigue test system further includes a clamp support beam 5, and the two ends of the clamp support beam 5 are respectively inserted into two screw holes 11 for fixing;

According to an embodiment of the present application, a suspension clamp 4 is connected to the center of the bottom of the clamp support beam 5 of the suspension clamp system of the vibration fatigue test system for overhead wires.

According to an embodiment of the present application, the fixing plate 9 of the suspension clamp system of the overhead conductor vibration fatigue test system is connected to the connecting seat 1 of the clamp device through bolts.

According to an embodiment of the present application, both ends of the clamp support beam 5 of the suspension clamp system of the overhead wire vibration fatigue test system are provided with external threads.

According to an embodiment of the present application, the thickness of the clamp support beam 5 of the suspension clamp system of the overhead wire vibration fatigue test system is smaller than the size of the screw hole 11 .

According to an embodiment of the present application, the suspension clamp 4 of the suspension clamp system of the overhead conductor vibration fatigue test system is connected to the suspension clamp 4 through a U-shaped hanging ring.

According to an embodiment of the present application, the height of the clamp support frame 6 of the suspension clamp system of the overhead conductor vibration fatigue test system is 0.8 meters.

According to an embodiment of the present application, the distance between the screw hole 11 of the suspension clamp system of the overhead wire vibration fatigue test system and the upper end surface of the connection seat of the clamp device is 0.4 to 0.5 meters.

According to an embodiment of the present application, the wire clamp device connection seat 1 of the suspension wire clamp system wire clamp device of the overhead wire vibration fatigue test system is a steel plate of 0.6 meters by 1 meter by 0.1 meters, and the wire clamp device connection seat 1 is used. The center is 0.8 meters away from the front-end connection seat used to fix the front end of the steel-reinforced aluminum stranded wire sample. The wire clamp support frame 6 on both sides adopts a triangular steel structure and is connected to the wire clamp device connection seat 1 through bolts. The height range of the upper surface of the connection seat 1 is 0.4m to 0.5m, and the clamp support beam 5 can move up and down according to the position of the central axis of the wire and then be fixed between the clamp support frames 6 on both sides. Suspension line clamp 4 can adopt different specifications of line clamps. The suspension line clamp 4 and the suspension beam of the bracket are connected by a U-shaped hanging ring, and connected to the line clamp support beam. Sample 3. The axis of the clamp for fixing the front end of the steel-cored aluminum stranded wire sample 3 and the axis of the clamp for fixing the rear end of the steel-cored aluminum stranded wire sample 3 coincide.

According to an embodiment of the present application, there is provided a suspension wire clamp method for an overhead wire vibration fatigue test system, the method utilizes the suspension wire clamp system of the overhead wire vibration fatigue test system for wire clamping.

The above-mentioned embodiments only represent several implementations of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the claims.

Claims (8)

1. A suspension wire clamp system of an overhead wire vibration fatigue test system, characterized in that: it includes a foundation support and a wire clamp device connection seat arranged on the foundation support; Two wire clamp support frames are arranged above the connection seat of the wire clamp device, and the wire clamp support frames each include an upper fixing block, and three fixing feet are connected to the bottom of the upper fixing block, and the bottom of the fixing feet passes through the fixing plate Connect with the connecting seat of the clamp device; The bottom of the upper fixing block is respectively provided with a vertical adjustment rod, and at least two screw holes are uniformly arranged on the vertical adjustment rod; It also includes a clamp support beam, and the two ends of the clamp support beam are respectively inserted into two screw holes for fixing; A hanging wire clip is connected to the center of the bottom of the wire clip support beam. 2. The suspension clamp system of the vibration fatigue test system for overhead wires according to claim 1, wherein the fixing plate is connected to the connecting seat of the clamp device through bolts. 3. The suspension clamp system of the overhead wire vibration fatigue test system according to claim 1, characterized in that: both ends of the clamp support beam are provided with external threads. 4. The suspension clamp system of the overhead wire vibration fatigue test system according to claim 1, characterized in that: the thickness of the clamp support beam is smaller than the size of the screw hole. 5. The suspension clamp system of the overhead wire vibration fatigue test system according to claim 1, wherein the suspension clamp is connected to the suspension clamp through a U-shaped hanging ring. 6. The suspension clamp system of the overhead wire vibration fatigue test system according to claim 1, characterized in that: the height of the clamp support frame is 0.8 meters. 7 . The suspension clamp system of the overhead wire vibration fatigue test system according to claim 1 , wherein the distance between the screw hole and the upper end surface of the connecting seat of the clamp device is 0.4 to 0.5 meters. 8. A suspension clamp method for an overhead wire vibration fatigue test system, characterized in that: clamping is carried out by using any one of the overhead wire vibration fatigue test system suspension clamp systems as claimed in claims 1 to 7.

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