CN110610644A - Aerial insulated cable swing simulation device and its working method - Google Patents

Abstract

The invention relates to a swing simulation device for overhead insulated cables and its working method, which is characterized in that it includes a main frame, a guide rail is fixed above the main frame, and a sliding frame plate is slidably connected to the guide rail through a slider. The sliding frame plate extends along the length direction of the guide rail. Several cable limit mechanisms are arranged on the upper surface of the sliding frame plate. A motor is fixed in the frame of the main engine. The wheel disc is connected to the near lower end of the swing block on the side through the crank connecting rod, and the upper end of the swing block extends vertically upwards and is fixedly connected with the sliding frame plate. Oscillation due to wind influence.

Description

Aerial insulated cable swing simulation device and its working method

technical field

The invention relates to an overhead insulated cable swing simulation device and a working method thereof.

Background technique

At present, the impact of wind force on the cable is generally estimated based on the actual erection of the cable, which cannot directly observe the extreme value of the specific cable under the influence of the wind force, so it is impossible to reasonably adjust the position of the erected cable.

Contents of the invention

In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a swing simulation device for overhead insulated cables and its working method, which not only has a simple and reasonable structure, but also can effectively simulate the swing of cables affected by wind force.

In order to solve the above-mentioned technical problems, the technical solution of the present invention is: an overhead insulated cable swing simulation device and its working method, including a main frame, a guide rail is fixed above the main frame, and the guide rail is slid through a slider There is a sliding frame plate, the sliding frame plate extends along the length direction of the guide rail, a number of cable limit mechanisms are arranged on the upper surface of the sliding frame plate, a motor is fixed in the frame of the main engine, and the head of the motor shaft is fixedly connected with a curved The roulette, the cranked roulette is connected to the near lower end of the swing block on the side through the crank connecting rod, and the fast upper end of the swing extends vertically upwards and is fixedly connected with the sliding frame plate.

Further, the cable limiting mechanism includes a raised column fixed on the upper surface of the sliding frame plate, the raised column is provided with a raised seat, the upper end of the raised seat is connected with a limit block, and the middle part of the limit block Limit holes are provided through front and back.

Further, the limit block is cut horizontally along the plane where the middle part is located into an upper limit block and a lower limit block, and the two limit blocks are connected and fastened by bolts.

Further, a number of small holes are opened through the front and back of the surface of the crank disc, and different small holes are connected through the crank connecting rod to realize the swing of the swinging block at different angles.

Further, the main frame is composed of a number of welded square tubes, and the adjacent square tubes are fixed as a whole by sheet metal. The guide rail is fixed on the upper surface of the sheet metal at the top and extends left and right. The sheet metal at the top The surface is also provided with an escape hole for the swing fast to pass through and swing.

Further, the sheet metal between the adjacent square tubes at the front end is replaced by a cavity door, and the cavity door is hinged on the square tube.

Further, base plates are fixed at the four corners of the bottom end of the main frame.

A working method of an overhead insulated cable swing simulation device, which is carried out according to the following steps: (1) Loosen the bolt, pass the cable through the limit hole back and forth, and then tighten the bolt to clamp the cable through the upper and lower limit holes; Tighten, (2) Turn on the motor, the motor drives the crank wheel to rotate, the crank wheel, the crank connecting rod, and the swing block form an eccentric crank link mechanism, that is, the swing rod swings left and right in the relief hole, driving the sliding frame plate on the guide rail Slide left and right to simulate the swing of the cable under the influence of wind.

Compared with the prior art, the present invention has the following beneficial effects: the crank connecting rod is composed of a connecting rod and two joint bearings, which are respectively connected to the swing block and the crank wheel disc, and fixed by nuts to convert the rotational motion of the motor into a linkage assembly The guiding movement, coupled with the fast swing, drives the slide frame to slide left and right on the guide rail, and then can simulate the swing of the cable under the influence of wind force, and can reasonably adjust the position of the erected cable through the simulated data, which will greatly Reduce the cost of erection.

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the present invention;

Fig. 2 is a schematic diagram of the internal structure of removing the sheet metal and the cavity door according to the embodiment of the present invention;

Fig. 3 is a schematic structural diagram of removing the host frame according to the embodiment of the present invention;

Fig. 4 is the rear side view of Fig. 3;

Fig. 5 is a schematic diagram of the connection structure between the motor and the crank wheel in the embodiment of the present invention;

In the figure: 1-main frame, 2-guide rail, 3-sliding frame plate, 4-cable limit mechanism, 5-motor, 6-crank wheel disc, 7-crank connecting rod, 8-swing block, 9-pad High column, 10-high seat, 11-limiting block, 12-limiting hole, 13-upper limit block, 14-lower limit block, 15-small hole, 16-square tube, 17-sheet metal, 18-let Bit hole, 19-chamber door, 20-foot plate, 21-planetary reducer, 22-slider.

Detailed ways

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings.

As shown in Figures 1 to 5, an overhead insulated cable swing simulation device includes a main frame 1, a guide rail 2 is fixed above the main frame, and a sliding frame plate 3 is slidably connected to the guide rail through a slider 22. The sliding frame plate extends along the length direction of the guide rail, and several cable limit mechanisms 4 are arranged on the upper surface of the sliding frame plate, and a motor 5 is fixed in the frame of the main frame, and the rotating shaft head of the motor is fixedly connected with a crank wheel disc 6 , the crankshaft is connected to the near lower end of the side swing block 8 through the crank connecting rod 7, and the fast upper end of the swing extends vertically upwards and is fixedly connected with the sliding frame plate.

In the embodiment of the present invention, the cable limiting mechanism includes a raised column 9 fixed on the upper surface of the sliding frame plate, the raised column is provided with a raised seat 10, and the upper end of the raised seat is connected with a limit block 11 , the middle part of the limit block is provided with a limit hole 12 front and back; the height can be adjusted by installing different thicknesses of pads, and the cable limit mechanism ensures the stability of the simulation cable affected by the wind force test.

In the embodiment of the present invention, the limit block is cut horizontally along the plane where the middle part is located into an upper limit block 13 and a lower limit block 14, and the two limit blocks are connected and fastened by bolts.

In the embodiment of the present invention, several small holes 15 are opened through the front and back of the surface of the crank disc, and different small holes are connected through the crank connecting rod to realize the swinging of the swing block at different angles.

In the embodiment of the present invention, the main frame is composed of several square tubes 16 welded, and the adjacent square tubes are fixed as a whole by sheet metal 17, which has the advantages of high strength and sufficient rigidity, and the overall appearance is elegant; the guide rail It is fixed on the upper surface of the sheet metal at the top and extends left and right, and the sheet metal surface at the top is also provided with a relief hole 18 for swinging through and swinging.

In the embodiment of the present invention, the sheet metal between adjacent square tubes at the front end is replaced by a door 19, which is hinged on the square tube.

In the embodiment of the present invention, footing plates 20 are fixed at the four corners of the bottom end of the main frame, and the footing plates are the reference support of this embodiment, which can ensure the levelness of equipment placement and ensure the reliability of the test.

In the embodiment of the present invention, a planetary reducer 21 is arranged between the rotating shaft of the motor and the crank wheel, and the output shaft at the front end of the planetary reducer is fixedly connected to the center of the crank wheel, and the PL120 planetary reducer is used as the output mode of the crank wheel. It has the characteristics of high precision, good rigidity, large carrying capacity, high efficiency and precise positioning.

A working method of an overhead insulated cable swing simulation device, which is carried out according to the following steps: (1) Loosen the bolt, pass the cable through the limit hole back and forth, and then tighten the bolt to move the cable through the upper and lower limit holes. Clamping, (2) Turn on the motor, the motor drives the crank wheel to rotate, the crank wheel, the crank connecting rod, and the swing block form an eccentric crank link mechanism, that is, the swing rod swings left and right in the relief hole, driving the sliding frame plate on the guide rail Slide up and down left and right to simulate the swing of the cable under the influence of wind.

The present invention is not limited to the above-mentioned best implementation mode, anyone can obtain other various forms of overhead insulated cable swing simulation device and its working method under the enlightenment of the present invention. All equivalent changes and modifications made according to the patent scope of the present invention shall fall within the scope of the present invention.

Claims (8)

1. A swing simulation device for overhead insulated cables, characterized in that: it includes a main frame, a guide rail is fixed above the main frame, the guide rail is slidably connected with a sliding frame plate by a slider, and the sliding frame plate is along the The guide rail extends in the length direction, and a number of cable limit mechanisms are set on the upper surface of the sliding frame plate. A motor is fixed in the frame of the main machine, and the head of the motor shaft is fixedly connected with a crank wheel. The rod is connected to the near lower end of the swing block on the side, and the upper end of the fast swing vertically extends upwards and is fixedly connected with the sliding frame plate. 2. The swing simulation device for overhead insulated cables according to claim 1, characterized in that: the cable limit mechanism includes a raised column fixed on the upper surface of the sliding frame plate, and the raised column is set There is a raised seat, and the upper end of the raised seat is connected with a limit block, and the middle part of the limit block runs through a limit hole front and back. 3. The swing simulation device for overhead insulated cables according to claim 2, characterized in that: the limit block is cut horizontally along the plane where the middle part is located into an upper limit block and a lower limit block, and the two limit blocks are connected by bolts Fasten. 4. The swing simulation device for overhead insulated cables according to claim 1, characterized in that: a number of small holes are opened through the front and back of the surface of the crank disc, and different small holes are connected by the crank connecting rod to realize the swinging block at different angles. swing. 5. The swing simulation device for overhead insulated cables according to claim 1, characterized in that: the main frame is composed of several welded square tubes, and the adjacent square tubes are fixed as a whole by sheet metal, and the guide rails are fixed It is arranged on the upper surface of the sheet metal at the top and extends left and right, and the sheet metal surface at the top is also provided with an escape hole for the swing fast to pass through and swing. 6. The swing simulation device for overhead insulated cables according to claim 5, characterized in that: the sheet metal between adjacent square tubes at the front end is replaced by a cavity door, and the cavity door is hinged on the square tube. 7 . The swing simulation device for overhead insulated cables according to claim 1 , wherein foot plates are fixed at the four corners of the bottom end of the main frame. 7 . 8. The working method of the overhead insulated cable swing simulation device, which is characterized in that any overhead insulated cable swing simulation device as described in claims 1-7 is used, and the following steps are carried out: (1) Loosen the bolt , pass the cable back and forth through the limit hole, and then tighten the bolts to clamp the cable in the upper and lower limit holes. (2) Turn on the motor, and the motor drives the crank wheel to rotate. The crank wheel, crank connecting rod, and swing block An eccentric crank linkage mechanism is formed, that is, the swing rod swings left and right in the relief hole, driving the sliding frame plate to slide left and right on the guide rail, so as to realize the swing of the simulated cable affected by the wind.