WO2023221321A1

WO2023221321A1 - Multi-point synchronous linkage follower support system

Info

Publication number: WO2023221321A1
Application number: PCT/CN2022/114734
Authority: WO
Inventors: 钟继恒; 杨颖�
Original assignee: 江苏中信博新能源科技股份有限公司
Priority date: 2022-05-20
Filing date: 2022-08-25
Publication date: 2023-11-23
Also published as: CN218041321U

Abstract

The present application provides a multi-point synchronous linkage follower support system, comprising an active follower support and a first driven follower support adjacent to each other. The active follower support comprises a plurality of stand columns, a first main shaft disposed at the tops of the plurality of stand columns, and a multi-point synchronous driving device for driving the first main shaft to rotate; the driving device comprises an active driving mechanism and a first driven mechanism; the first driven follower support comprises a plurality of stand columns and a second main shaft disposed at the tops of the plurality of stand columns; the driving device further comprises a second driven mechanism and a third driven mechanism; a third driving end of the active driving mechanism is transmittingly connected to the second driven mechanism, and the third driven mechanism is transmittingly connected to the first driven mechanism; the driving device can synchronously drive multi-point positions on the main shafts corresponding to the active driving mechanism, the first driven mechanism, the second driven mechanism, and the third driven mechanism, thereby reducing the torque of the main shafts, and improving the stability of the whole photovoltaic follower support system.

Description

Multi-point synchronous linkage tracking bracket system

Cross-references to related applications

This application claims priority to the Chinese patent application filed on May 20, 2022 with the application number 202221231059.8 and the invention name "Multi-point Synchronous Linkage Tracking Bracket System". The full text of the patent application is incorporated herein by reference. middle.

Technical field

This application relates to a multi-point linkage tracking bracket system, which belongs to the field of photovoltaic brackets.

Background technique

At present, most of the multi-point drive systems of photovoltaic tracking brackets have a flat single-axis structure. The entire bracket system is long and costly. There are many photovoltaic modules installed on the tracking brackets with a flat single-axis structure, which will also lead to a decrease in system stability. , and the requirements for land flatness are relatively high.

Contents of the invention

The purpose of this application is to provide a low-cost, high-stability multi-point synchronous linkage tracking photovoltaic support system.

In order to achieve the above purpose, this application adopts the following technical solution: a multi-point synchronous linkage tracking bracket system, including an adjacent active tracking bracket and a first driven tracking bracket,

The active tracking bracket includes a plurality of columns, a first spindle arranged on the top of the plurality of columns, and a multi-point synchronous driving device for driving the first spindle to rotate. The driving device includes an active driving mechanism and a first driven mechanism. The active driving mechanism The active driving mechanism is spaced apart from the first driven mechanism along the length direction of the first main shaft. The active driving mechanism includes a first driving end, a second driving end and a third driving end. The first driving end is used to drive the first main shaft to rotate, and the second driving end is used to drive the first main shaft to rotate. The end is located below the first driving end and is used for transmission connection with the first driven mechanism. The power transmission direction of the first driving end is parallel to the power transmission direction of the second driving end;

The first driven tracking bracket includes a plurality of upright columns and a second spindle arranged on the top of the plurality of upright columns. The driving device also includes a second driven mechanism and a third driven mechanism. The second driven mechanism and the third driven mechanism are arranged along the The second spindles are arranged at intervals in the length direction, and the third driving end of the active driving mechanism is used for transmission connection with the second driven mechanism. The third driven mechanism is transmission connected with the first driven mechanism. The driving device can synchronously drive the active driving mechanism, The multi-point positions on the main shaft corresponding to the first driven mechanism, the second driven mechanism and the third driven mechanism.

As a further improvement of the present application, the active tracking bracket also includes a motor connected to an active drive mechanism. The active drive mechanism includes a first housing and an active transmission component set that is disposed in the first housing for meshing transmission. The active transmission component set includes a protrusion. The first power output shaft, the second power output shaft and the third power output shaft of the first housing are connected to the first main shaft, and the second power output shaft is located below the first power output shaft and connected with the first power output shaft. The first power output shaft is parallel, the third power output shaft is perpendicular to both the first power output shaft and the second power output shaft; the first driving end, the second driving end and the third driving end are respectively located on the first power output shaft, the third power output shaft and the second power output shaft. The second power output shaft and one end of the third power output shaft.

As a further improvement of the present application, the first driven mechanism includes a second housing and a first transmission component group disposed in the second housing. The first transmission component group includes a first power input shaft protruding from the second housing. and a fourth power output shaft. The second power output shaft and the first power input shaft are connected through a synchronizing shaft.

As a further improvement of the present application, the driving end of the motor is connected to the second power output shaft.

As a further improvement of the present application, the second driven mechanism includes a third housing and a second transmission component group disposed in the third housing. The second transmission component group includes a second power input shaft protruding from the third housing. and a fifth power output shaft, the third power output shaft and the second power input shaft are connected through the first linkage rod, and the fifth power output shaft is connected to the second main shaft.

As a further improvement of the present application, a universal joint is provided between the third power output shaft and the first linkage rod; and/or a universal joint is provided between the second power input shaft and the first linkage rod.

As a further improvement of the present application, the third driven mechanism includes a fourth housing and a third transmission component group disposed in the fourth housing, and the third transmission component group includes a third power input shaft protruding from the fourth housing, The third power input shaft and the second power output shaft are connected through a second linkage rod.

As a further improvement of the present application, the sum of the lengths of the first linkage rod and the second linkage rod is less than the length of the synchronization shaft.

As a further improvement of the present application, a universal joint is provided between the second power output shaft and the second linkage rod; and/or a universal joint is provided between the third power input shaft and the second linkage rod.

As a further improvement of the present application, the second driven mechanism and the third driven mechanism have different composition structures from the active driving mechanism to reduce costs.

Compared with the existing technology, this application has the following advantages:

The third driving end of the active driving mechanism of this patent application is transmission connected with the second driven mechanism through the first linkage rod, and the third driven mechanism is transmission connected with the first driven mechanism. The driving device can synchronously drive the active driving mechanism and the first driven mechanism. The multi-point positions on the main shaft corresponding to the driven mechanism, the second driven mechanism and the third driven mechanism can reduce the torque of the main shaft and improve the stability of the entire photovoltaic tracking bracket system. At the same time, it can also increase the capacity of a single system. The two-row linkage only requires one active drive device and three driven drive devices. Compared with the existing two-row independent flat single-axis tracking bracket (which requires two active drive devices and two driven drive devices), the cost is lower. . The two-row linkage type can save a control box, and two shorter synchronous transmission structures replace the longer synchronous shaft, which can save materials.

Description of the drawings

Figure 1 is a three-dimensional view of the multi-point synchronous linkage photovoltaic tracking bracket system of the present application;

Figure 2 is a top view of the structure shown in Figure 1;

Figure 3 is a three-dimensional view of the multi-point synchronous linkage photovoltaic tracking bracket system without photovoltaic components;

Figure 4 is a partial perspective view of the active driving mechanism of the present application;

Figure 5 is a partial perspective view of the second driven mechanism of the present application;

Figure 6 is a partial perspective view of the first driven mechanism of the present application;

Figure 7 is a perspective view of the active driving assembly and motor of the present application;

Figure 8 is a perspective view of the first driven driving component group of the present application.

100 multi-point synchronous linkage photovoltaic tracking bracket system, 1 active tracking bracket, 2 first driven tracking bracket, 10 columns, 11 first spindle, 121 active driving mechanism, 122 first driven mechanism, 123 synchronous shaft, 124 motor, 1211 first housing, 1217 driving worm gear, 12111 first power output shaft, 1212 driving worm, 1213 first driving gear, 1214 second driving gear, 1215 third driving gear, 1216 fourth driving gear, 1257 second power output Shaft, 1258 third power output shaft, 1221 second housing, 1222 first driven worm gear, 1223 first driven worm, 1224 first driven gear, 1225 second driven gear, 1226 third driven gear, 1227 fourth driven gear, 12271 first power input shaft, 12231 fourth power output shaft, 20 column, 21 second main shaft, 125 second driven mechanism, 127 third driven mechanism, 1251 third housing, 1252 The second power input shaft, 126 the first linkage rod, 1253 universal joint, 128 the second linkage rod, 1263 universal joint, 1262 the third power input shaft.

Detailed ways

Exemplary embodiments of the present application will be described in detail below with reference to the accompanying drawings. If there are several specific embodiments, features of these embodiments may be combined with each other provided there is no conflict. When the description refers to the drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise stated. What is described in the following exemplary embodiments does not represent all embodiments consistent with the present application; rather, they are only consistent with some aspects of the present application as recited in the claims of the present application. Examples of devices, products and/or methods.

The terminology used in this application is for the purpose of describing specific embodiments only and is not intended to limit the scope of the application. As used in the specification and claims of this application, the singular forms "a", "" or "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise.

It should be understood that words such as "first", "second" and similar words used in the description and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish the naming of features. . Likewise, "a" or "one" and similar words do not indicate a quantitative limit, but rather indicate the presence of at least one. Unless otherwise indicated, similar words such as "front", "back", "upper", "lower" appearing in this application are only for convenience of explanation and are not limited to a specific position or a spatial orientation. "Include" or "includes" and other similar words are an open-ended expression, meaning that the elements appearing before "include" or "include" cover the elements appearing after "include" or "include" and their equivalents. This does not exclude that elements appearing before "includes" or "includes" may also contain other elements. If "several" appears in this application, it means two or more.

In order to solve the problems existing in the prior art, this application discloses a multi-point synchronous linkage photovoltaic tracking bracket system 100. By linking two rows of photovoltaic tracking brackets, the driving device synchronously drives the two rows of photovoltaic brackets at multiple positions on the main axis. The tracking bracket can reduce the torque of the spindle, improve the stability of the entire photovoltaic tracking bracket system, reduce structural materials, and reduce material costs; it can also reduce the number of control boxes and reduce electrical costs; in addition, the driving device can also save a motor. Reduce drive unit costs.

Referring to Figures 1 to 3, the multi-point synchronous linkage photovoltaic tracking bracket system 100 includes an adjacent active tracking bracket 1 and a first driven tracking bracket 2. The active tracking bracket 1 includes a plurality of columns 10, and is arranged on multiple The first main shaft 11 at the top of the column 10 and the multi-point synchronous driving device used to drive the first main shaft 11 to rotate. The first main shaft 11 can rotate around its own axis to drive the photovoltaic modules installed on the first main shaft 11 to rotate. The driving device is installed on the top of the column 10 and is used to drive the first spindle 11 to rotate.

Please refer to Figures 1 to 4 and 7. The driving device includes an active driving mechanism 121, a first driven mechanism 122, and a synchronization shaft 123 connecting the active driving mechanism 121 and the first driven mechanism 122. The active driving mechanism 121 and The first driven mechanisms 122 are arranged on the top of the upright column 10 at intervals along the length direction of the first spindle 11 . The active driving mechanism 121 includes a first housing 1211, an active transmission component group disposed in the first housing 1211 for meshing transmission, and a motor 124 that drives the active transmission component group to move. The active transmission assembly is composed of a plurality of gears and/or worm meshes. In one embodiment, the active transmission assembly includes a driving worm gear 1217, a driving worm 1212 meshed with the lower side of the driving worm gear 1217, and a driving worm 1212 arranged coaxially. The first driving gear 1213, the second driving gear 1214 meshing with the lower side of the first driving gear 1213, the third driving gear 1215 coaxially arranged with the second driving gear 1214, and the fourth driving gear 1215 vertically meshing with the third driving gear 1215. Driving gear 1216. The axes of the shafts where the driving worm 1212 and the first driving gear 1213 are located are parallel to the axes of the shafts where the second driving gear 1214 and the third driving gear 1215 are located. The rotation axis of the fourth driving gear 1216 is perpendicular to the axis of the second driving gear 1214 and the third driving gear 1215 and parallel to the rotation axis of the driving worm gear 1217. The driving worm gear 1217 is connected to the first main shaft 11.

Please refer to Figures 1 to 4 and 7. In this embodiment, the end of the driving worm gear 1217 is provided with a first power output shaft 12111, which passes through and protrudes from the first housing along its axial direction. 1211. The first power output shaft 12111 is connected to the first main shaft 11 for driving the first main shaft 11 to rotate. One end of the first power output shaft 12111 connected to the first main shaft 11 is the first driving end.

Referring to FIGS. 1 to 4 and 7 , the end of the fourth driving gear 1216 is provided with a second power output shaft 1257 , and the second power output shaft 1257 is coaxial with the rotation axis of the fourth driving gear 1216 . The second power output shaft 1257 is parallel to the first power output shaft 12111, and the second power output shaft 1257 is located below the first power output shaft 12111. The second power output shaft 1257 passes through and protrudes from the first housing 1211. The outer end of the second power output shaft 1257 is the second driving end of the driving device, and the second driving end is located below the first driving end.

Please refer to Figures 1 to 4 and 7. The end of the shaft where the driving worm 1212 is located is provided with a third power output shaft 1258. The third power output shaft 1258 is connected with the first power output shaft 12111 and the second power output shaft 1257. vertical. The third power output shaft 1258 passes through and protrudes from the first housing 1211 , and the third power output shaft 1258 protrudes toward the first driven tracking bracket 2 .

Please refer to Figures 1 to 4 and 7. The active tracking bracket 1 also includes a motor 124 connected to the active driving mechanism 121. The motor 124 is connected to the second power output shaft 1257 and drives the fourth driving gear 1216 to rotate, in sequence. The power is transmitted to the third driving gear 1215, the second driving gear 1214, the first driving gear 1213, the driving worm 1212 and the driving worm gear 1211, so that the fourth driving gear 1216, the third driving gear 1215, the second driving gear 1214, The first driving gear 1213, the driving worm 1212 and the driving worm gear 1211 rotate synchronously, that is, the first driving end, the second driving end and the third driving end can transmit power to the outside at the same time.

Please refer to Figures 1 to 3, Figure 6 and Figure 8. The structure of the first driven mechanism 122 is the same as that of the active driving mechanism 121. The active driving mechanism 121 and the first driven mechanism 122 are respectively arranged on the first spindle. 11 at different axial positions, the first driven mechanism 122 includes a second housing 1221 and a first transmission component group disposed in the second housing 1221. The first transmission component group includes a first driven worm gear 1222, which is meshed with The first driven worm 1223 on the lower side of the first driven worm gear 1222, the first driven gear 1224 arranged coaxially with the first driven worm 1223, and the second driven gear meshing on the lower side of the first driven gear 1224. 1225. A third driven gear 1226 arranged coaxially with the second driven gear 1225 and a fourth driven gear 1227 vertically meshed with the third driven gear 1226. The axes of the shafts where the first driven worm 1223 and the first driven gear 1224 are located are parallel to the axes of the shafts where the second driven gear 1225 and the third driven gear 1226 are located. The rotation axis of the fourth driven gear 1227 is perpendicular to the axis of the shaft of the second driven gear 1225 and the third driven gear 1226, and parallel to the rotation axis of the first driven worm gear 1222. A spindle 11 is connected. The end of the fourth driven gear 1227 is provided with a first power input shaft 12271. One end of the synchronization shaft 123 is connected to the second power output shaft 1257, and the other end is connected to the first power input shaft 12271.

Please refer to Figures 1 to 3, Figure 6 and Figure 8. The end of the shaft where the first driven worm 1223 is located is provided with a fourth power output shaft 12231. The fourth power output shaft 12231 passes through and protrudes from the second housing 1221, and the fourth power output shaft 12231 protrudes toward the first driven tracking bracket 2, and the fourth power output shaft 12231 and the third power output shaft 1258 are arranged in parallel.

Referring to FIGS. 1 to 3 and 5 , the first driven tracking bracket 2 includes a plurality of uprights 20 and a second spindle 21 disposed on the tops of the plurality of uprights 20 . The driving device also includes a second driven mechanism 125 and a third driven mechanism 127. The second driven mechanism 125 and the third driven mechanism 127 are spaced apart along the length direction of the second spindle 21. The active driving mechanism 121 and the first driven mechanism 127 are The driven mechanism 122, the second driven mechanism 125 and the third driven mechanism 127 are respectively located at the four corners of a rectangle.

Please refer to FIGS. 1 to 3 and 5 . The second driven mechanism 125 includes a third housing 1251 and a second transmission member set disposed in the third housing 1251 . The second transmission member group includes a second driven member group. The driving worm gear and the second driven worm gear mesh with the lower side of the second driven worm gear. A fifth power output shaft is provided at the end of the second driven worm gear. The fifth power output shaft is connected to the second main shaft 21 for driving the second main shaft 21 to rotate. The shaft where the second driven worm is located is the second power input shaft 1252, and the second power input shaft 1252 passes through and protrudes from the third housing 1251. The third power output shaft 1258 and the second power input shaft 1252 are connected through the first linkage rod 126. A universal joint 1253 is provided between the first linkage rod 126 and the third power output shaft 1258. The first linkage rod 126 and the second A universal joint 1253 is provided between the power input shafts 1252, and the power output by the third power output shaft 1258 is transmitted to the second power input shaft 1252 through the first linkage rod 126.

Please refer to FIGS. 1 to 3 . The third driven mechanism 127 and the second driven mechanism 125 are spaced apart from each other on the second spindle 21 . The third driven mechanism 127 includes a fourth housing 1271 and a fourth housing 1271 . The third transmission component group in the body 1271. The third transmission component group includes a third driven worm gear and a third driven worm meshed with the lower side of the third driven worm gear. The third driven worm gear is connected with the second main shaft 21 . The shaft where the third driven worm is located is the third power input shaft 1262, and the third power input shaft 1262 passes through and protrudes from the fourth housing 1261.

Referring to FIGS. 1 to 3 , the fourth power output shaft 12231 and the third power input shaft 1262 are connected through the second linkage rod 128 . A universal joint 1263 is provided between the second linkage rod 128 and the fourth power output shaft 12231. A universal joint 1263 is provided between the second linkage rod 128 and the third power input shaft 1262. The output of the fourth power output shaft 12231 The power is transmitted to the third power input shaft 1262 through the second linkage rod 128 .

Please refer to FIGS. 1 to 3 . The lengths of the first linkage rod 126 and the second linkage rod 128 are both smaller than the length of the synchronization shaft 123 . Compared with the first driven tracking bracket 2 , which is the same as the active tracking bracket 1 , The length of the synchronization shaft 123 can be shortened, and several tracking brackets in the photovoltaic power station can reduce the structural cost.

Referring to FIGS. 1 to 3 , the second driven mechanism 125 , the third driven mechanism 127 , the active driving mechanism 121 , and the first driven mechanism 122 have different composition structures. That is, compared with the internal transmission structures of the active driving mechanism 121 and the first driven mechanism 122, the internal transmission structures of the second driven mechanism 125 and the third driven mechanism 127 omit the meshing transmission of the primary gear, thereby reducing the structural cost. In another embodiment, the second driven mechanism 125 and the third driven mechanism 127 can also be provided with the same structure as the active driving mechanism 121 and the first driven mechanism 122 .

In summary, the third driving end of the active driving mechanism 121 is transmission connected to the second driven mechanism 125 through the first linkage rod 126, and the third driven mechanism 127 is transmission connected to the first driven mechanism 122. The driving device can drive the active driving mechanism synchronously. The multi-point positions on the main shaft corresponding to the driving mechanism 121, the first driven mechanism 122, the second driven mechanism 125 and the third driven mechanism 127 reduce the torque of the main shaft and improve the stability of the entire photovoltaic tracking bracket system. At the same time, It can also increase the capacity of a single system. The two-row linkage only requires one active drive device and three driven drive devices. Compared with the existing two-row independent flat single-axis tracking bracket (which requires two active drive devices and two driven drive devices), the cost is lower. . The two-row linkage type can save a control box, and two shorter synchronous transmission structures replace the longer synchronous shaft, which can save materials.

The above embodiments are only used to illustrate the present application and do not limit the technical solutions described in the present application. The understanding of this description should be based on those skilled in the technical field. For example, "front", "back", "left", "left" "right", "up", "down" and other directional descriptions. Although this application has been described in detail with reference to the above-mentioned embodiments, those skilled in the art should understand that those skilled in the art This application can still be modified or equivalently replaced, and all technical solutions and improvements that do not depart from the spirit and scope of this application should be covered by the claims of this application.

Claims

A multi-point synchronous linkage tracking bracket system includes an adjacent active tracking bracket (1) and a first driven tracking bracket (2), where,

The active tracking bracket (1) includes a plurality of columns, a first spindle (11) arranged on the top of the plurality of columns, and a multi-point synchronous driving device for driving the first spindle (11) to rotate. The driving device includes an active driving mechanism (121) and a first driven mechanism (122). The active driving mechanism (121) and the first driven mechanism (122) extend along the length of the first spindle (11). The active driving mechanism (121) includes a first driving end, a second driving end and a third driving end. The first driving end is used to drive the first spindle (11) to rotate, and the third driving end is used to drive the first spindle (11) to rotate. Two driving ends are located below the first driving end for transmission connection with the first driven mechanism (122), and the power transmission direction of the first driving end is parallel to the power transmission direction of the second driving end;

The first driven tracking bracket (2) includes a plurality of upright columns and a second spindle (21) arranged on the top of the plurality of upright columns. The driving device also includes a second driven mechanism (125) and a third driven mechanism. The second driven mechanism (125) and the third driven mechanism (127) are spaced apart along the length direction of the second spindle (21), and the third driven mechanism (121) of the active driving mechanism (121) The three driving ends are used for transmission connection with the second driven mechanism (125), and the third driven mechanism (127) is transmission connected with the first driven mechanism (122). The driving device can drive synchronously. The active driving mechanism (121), the first driven mechanism (122), the second driven mechanism (125) and the third driven mechanism (127) correspond to multiple points on the main shaft.
The multi-point synchronous linkage tracking bracket system according to claim 1, wherein the active tracking bracket (1) further includes a motor (124) connected to the active driving mechanism (121), and the active driving mechanism (121) includes A first housing (1211) and an active transmission component set for meshing transmission provided in the first housing (1211). The active transmission component set includes a first first housing (1211) protruding from the first housing (1211). Power output shaft (12111), second power output shaft (1252) and third power output shaft (1258). The first power output shaft (12111) is connected to the first main shaft (11), and the second power output shaft (12111) is connected to the first main shaft (11). The power output shaft (1257) is located below the first power output shaft (12111) and parallel to the first power output shaft (12111). The third power output shaft (1258) is connected to the first power output shaft (12111). The shaft (12111) and the second power output shaft (1257) are both vertical; the first driving end, the second driving end and the third driving end are respectively located on the first power output shaft (12111) and the second power output shaft. (1257) and one end of the third power output shaft (1258).
The multi-point synchronous linkage tracking bracket system according to claim 2, wherein the first driven mechanism (122) includes a second housing (1221) and a first transmission component set disposed in the second housing (1221). , the first transmission component group includes a first power input shaft (12271) and a fourth power output shaft (12231) protruding from the second housing (1221), and the second power output shaft (1257) It is connected with the first power input shaft (12271) through the synchronization shaft (123).
The multi-point synchronous linkage tracking bracket system according to claim 3, wherein the driving end of the motor (124) is connected to the second power output shaft (1257).
The multi-point synchronous linkage tracking bracket system according to claim 3, wherein the second driven mechanism (125) includes a third housing (1251) and a second transmission component group disposed in the third housing (1251). , the second transmission component group includes a second power input shaft (1252) and a fifth power output shaft protruding from the third housing (1251), the third power output shaft (1258) and the second power output shaft The power input shaft (1252) is connected through the first linkage rod (126), and the fifth power output shaft is connected to the second main shaft (21).
The multi-point synchronous linkage tracking bracket system according to claim 5, wherein a universal joint is provided between the third power output shaft (1258) and the first linkage rod (126); and/or the third power output shaft (1258) is provided with a universal joint. A universal joint is provided between the two power input shafts (1252) and the first linkage rod (126).
The multi-point synchronous linkage tracking bracket system according to claim 5, wherein the third driven mechanism (127) includes a fourth housing (1271) and a third transmission component group disposed in the fourth housing (1271). , the third transmission component group includes a third power input shaft (1262) protruding from the fourth housing (1271), the third power input shaft (1262) and the second power output shaft (1257) They are connected through the second linkage rod (128).
The multi-point synchronous linkage tracking bracket system according to claim 7, wherein the sum of the lengths of the first linkage rod (126) and the second linkage rod (128) is less than the length of the synchronization shaft (123).
The multi-point synchronous linkage tracking bracket system according to claim 7, wherein a universal joint is provided between the second power output shaft (1257) and the second linkage rod (128); and/or, the second linkage rod (128) is provided with a universal joint. A universal joint is provided between the third power input shaft (1262) and the second linkage rod (128).
The multi-point synchronous linkage tracking bracket system according to claim 1, wherein the second driven mechanism (125), the third driven mechanism (127) and the active driving mechanism (121) respectively have different composition structures. , to reduce costs.