Oversized antenna driving rope tensioning device

Abstract

The utility model belongs to the technical field of oversized antenna driving devices, and particularly relates to an oversized antenna driving rope tensioning device which comprises a base and a tensioning mechanism arranged on the base, a first supporting wheel is arranged on a supporting column on the front side of the tensioning mechanism, and a second supporting wheel is arranged on a supporting column on the rear side of the tensioning mechanism. The tensioning mechanism comprises a tensioning seat and a steering wheel arranged below the tensioning seat, a balancing weight is arranged on the tensioning seat, a sliding rail is arranged on the supporting column, and the driving rope sequentially passes through the first supporting wheel, the steering wheel and the second supporting wheel. When the tensioning device is used, the driving rope penetrates through the first supporting wheel, the steering wheel and the second supporting wheel, so that the tensioning seat is suspended above the base by means of traction of the driving rope and floats up and down along the supporting column, and constant tensioning pressure is provided for the driving rope in the mode that the tensioning seat is pressed and covered by the balancing weight. And the requirements of different tension forces are met by adjusting the weight of the balancing weight, so that the transmission is stable, and the normal work of the transmission wheel set is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of super-large antenna driving devices, and in particular relates to a super-large antenna driving rope tensioning device. Background Art

[0002] Arc antennas are usually tens of meters in diameter and may be hundreds of meters long. They are usually very large antennas. Currently, steel wire ropes are used as driving ropes to transmit power for pitch adjustment of such very large antennas. Due to the long total length of the steel wire ropes, temperature changes can cause changes in the length of the steel wire ropes. During the transmission process, the steel wire ropes are prone to vibration and slippage, which eventually causes damage to the transmission wheel set. Utility Model Content

[0003] In order to solve the problems existing in the above-mentioned prior art, the utility model provides a super-large antenna drive rope tensioning device, which can tension the drive rope to make the drive rope tension constant, avoid unstable transmission due to the expansion and contraction of the drive rope length, and ensure the normal operation of the transmission wheel group.

[0004] The specific technical solution adopted by the utility model is:

[0005] The ultra-large antenna drive rope tensioning device includes a base and a tensioning mechanism arranged on the base, support columns are symmetrically arranged on the front and rear sides of the tensioning mechanism, a first support wheel is arranged on the support column on the front side of the tensioning mechanism, and a second support wheel is arranged on the support column on the rear side of the tensioning mechanism. The tensioning mechanism includes a tensioning seat and a steering wheel arranged below the tensioning seat, a counterweight block is arranged on the tensioning seat, and a slide rail is arranged on the support column. The tensioning seat forms a sliding fit with the support column in the vertical direction by means of the slide rail, and the drive rope passes through the first support wheel, the steering wheel and the second support wheel in sequence, and the tensioning seat is suspended above the base by the pulling of the drive rope.

[0006] Two groups of steering wheels are symmetrically arranged on both sides of the tensioning seat. The steering wheels are hinged to the tensioning seat by means of a buffer swing rod. A buffer spring is also arranged between the buffer swing rod and the tensioning seat.

[0007] The tensioning seat is provided with a limit column, the counterweight block is provided with a limit hole, and the counterweight blocks are provided in multiple groups and are serially inserted on the limit column of the tensioning seat.

[0008] The tensioning seat is provided with a sliding block matched with the sliding rail, and the upper and lower ends of the sliding rail are provided with limiting blocks, and the limiting blocks and the sliding block form a limiting match.

[0009] The tensioning seat is provided with an avoidance groove for the driving rope to pass through, and the steering wheel is arranged below the avoidance groove.

[0010] The inlet side of the first support wheel and the outlet side of the second support wheel are respectively provided with guide sleeves, the guide sleeves are fixedly connected to the support column, the guide sleeves are provided with through holes for the driving rope to pass through, and the two side ports of the through holes are both trumpet-shaped structures.

[0011] The beneficial effects of the utility model are:

[0012] When the utility model is in use, the driving rope passes through the first supporting wheel, the steering wheel and the second supporting wheel, so that the tensioning seat is suspended on the base with the help of the pulling of the driving rope, and floats up and down along the supporting column. The tensioning seat is pressed by a counterweight block to provide a constant tensioning pressure for the driving rope, and the weight of the counterweight block is adjusted to meet the needs of different tensioning forces, thereby making the transmission of the driving rope stable and ensuring the normal operation of the transmission wheel group. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the tensioning seat when viewed from above;

[0015] Figure 3 is a structural schematic diagram of a guide casing;

[0016] In the attached drawings, 1, base, 2, support column, 3, first support wheel, 4, second support wheel, 5, tensioning seat, 6, steering wheel, 7, counterweight, 8, slide rail, 9, buffer spring, 10, limit column, 11, slider, 12, avoidance groove, 13, guide sleeve, 14, buffer rocker arm. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0018] Specific implementation examples Figure 1 and Figure 2 As shown, the utility model is a super-large antenna drive rope tensioning device, including a base 1 and a tensioning mechanism arranged on the base 1, support columns 2 are symmetrically arranged on the front and rear sides of the tensioning mechanism, a first support wheel 3 is arranged on the support column 2 on the front side of the tensioning mechanism, and a second support wheel 4 is arranged on the support column 2 on the rear side of the tensioning mechanism. The tensioning mechanism includes a tensioning seat 5 and a steering wheel 6 arranged below the tensioning seat 5, a counterweight block 7 is arranged on the tensioning seat 5, and a slide rail 8 is arranged on the support column 2. The tensioning seat 5 forms a sliding fit with the support column 2 in the vertical direction by means of the slide rail 8, and the driving rope passes through the first support wheel 3, the steering wheel 6 and the second support wheel 4 in sequence, and the tensioning seat 5 is suspended on the base 1 by the pulling of the driving rope.

[0019] When the utility model is in use, the driving rope passes through the first supporting wheel 3, the steering wheel 6 and the second supporting wheel 4, so that the tensioning seat 5 is suspended on the base 1 with the help of the pulling of the driving rope, and floats up and down along the supporting column 2. The tensioning seat 5 is pressed by a counterweight block 7 to provide a constant tensioning pressure for the driving rope. The weight of the counterweight block 7 is adjusted to meet the needs of different tensioning forces, thereby making the transmission of the driving rope stable and ensuring the normal operation of the transmission wheel group.

[0020] Compared with the method of simply using spring tensioning, the same tensioning force, i.e. gravity, can be maintained at different tensioning lengths by pressing the counterweight 7. In addition, since there is a large space under the extra-large antenna, the base 1 can be set above the ground, so that a larger counterweight 7 can be configured to obtain a larger tensioning force, so that the drive rope remains tensioned during the reciprocating pulling process, and has better operating stability.

[0021] Further, such as Figure 1 As shown, two groups of steering wheels 6 are symmetrically arranged on both sides of the tensioning seat 5, and the steering wheels 6 are hinged to the tensioning seat 5 by means of a buffer swing rod 14, and a buffer spring 9 is also arranged between the buffer swing rod 14 and the tensioning seat 5. The buffer spring 9 is a nitrogen spring.

[0022] The swing of the buffer swing rod 14 provides a buffer space, so that the pulling impact at the moment when the driving rope starts to be pulled can be relatively alleviated, thereby avoiding damage to the oversized antenna wheel set and the tensioning device.

[0023] Further, such as Figure 1 and Figure 2 As shown, the tensioning seat 5 is provided with a limit column 10 , the counterweight block 7 is provided with a limit hole, and the counterweight blocks 7 are provided in multiple groups and are serially inserted on the limit column 10 of the tensioning seat 5 .

[0024] The counterweight block 7 is limited by the limiting column 10 and the counterweight block 7 is aligned to prevent the counterweight block 7 from tipping over during the floating process of the tensioning seat 5.

[0025] Further, such as Figure 1 As shown, the tensioning seat 5 is provided with a slider 11 that cooperates with the slide rail 8, and the upper and lower ends of the slide rail 8 are provided with limit blocks, and the limit blocks and the slider 11 form a limit fit.

[0026] The slide block 11 is limited by means of the provided limit block to prevent the tensioning seat 5 from excessively floating and causing damage.

[0027] Furthermore, the tensioning seat 5 is provided with an avoidance groove 12 for the driving rope to pass through, and the steering wheel 6 is arranged below the avoidance groove 12 .

[0028] The avoidance groove 12 is arranged in the middle of the tensioning seat 5 , and the driving rope passes through the avoidance groove 12 to the bottom of the tensioning seat 5 , thereby bypassing the steering wheel 6 , thereby avoiding interference between the driving rope and the tensioning seat 5 .

[0029] Furthermore, the inlet side of the first support wheel 3 and the outlet side of the second support wheel 4 are respectively provided with a guide sleeve 13, and the guide sleeve 13 is fixedly connected to the support column 2. The guide sleeve 13 is provided with a through hole for the driving rope to pass through, and the two side ports of the through hole are both trumpet-shaped structures.

[0030] The guide sleeve 13 is used to stabilize the insertion and exit positions of the driving rope, so as to prevent the driving rope from escaping from the first supporting wheel 3 and the second supporting wheel 4 due to the floating of the tensioning seat 5 and the swinging of the buffer rocker 14.

Claims

1. A super-large antenna drive rope tensioning device, comprising a base (1) and a tensioning mechanism arranged on the base (1), characterized in that: Support columns (2) are symmetrically arranged on the front and rear sides of the tensioning mechanism, a first support wheel (3) is arranged on the support column (2) on the front side of the tensioning mechanism, and a second support wheel (4) is arranged on the support column (2) on the rear side of the tensioning mechanism. The tensioning mechanism comprises a tensioning seat (5) and a steering wheel (6) arranged below the tensioning seat (5), a counterweight block (7) is arranged on the tensioning seat (5), and a slide rail (8) is arranged on the support column (2). The tensioning seat (5) forms a sliding fit with the support column (2) in the vertical direction by means of the slide rail (8), and the driving rope passes through the first support wheel (3), the steering wheel (6) and the second support wheel (4) in sequence. The tensioning seat (5) is suspended on the base (1) by means of the pulling of the driving rope.

2. The ultra-large antenna drive rope tensioning device according to claim 1, characterized in that: The steering wheels (6) are symmetrically arranged in two groups on both sides of the tensioning seat (5). The steering wheels (6) are hinged to the tensioning seat (5) by means of a buffer rocker arm (14). A buffer spring (9) is also arranged between the buffer rocker arm (14) and the tensioning seat (5).

3. The ultra-large antenna drive rope tensioning device according to claim 1, characterized in that: The tensioning seat (5) is provided with a limit column (10), the counterweight block (7) is provided with a limit hole, and the counterweight blocks (7) are provided in multiple groups and are serially inserted on the limit columns (10) of the tensioning seat (5).

4. The ultra-large antenna drive rope tensioning device according to claim 1, characterized in that: The tensioning seat (5) is provided with a sliding block (11) matched with the sliding rail (8), and the upper and lower ends of the sliding rail (8) are provided with limit blocks, and the limit blocks and the sliding block (11) form a limit match.

5. The ultra-large antenna drive rope tensioning device according to claim 1, characterized in that: The tensioning seat (5) is provided with an escape groove (12) for the driving rope to pass through, and the steering wheel (6) is arranged below the escape groove (12).

6. The ultra-large antenna drive rope tensioning device according to claim 1, characterized in that: A guide sleeve (13) is provided on the line-in side of the first support wheel (3) and the line-out side of the second support wheel (4), respectively. The guide sleeve (13) is fixedly connected to the support column (2). The guide sleeve (13) is provided with a through hole for the driving rope to pass through, and both side ports of the through hole are in a trumpet-shaped structure.

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