Device for measuring and calculating circulating cable of river flow

Abstract

The invention discloses a device for measuring and calculating a circulation cable of river channel flow, relates to the technical field of river channel flow monitoring, and solves the problems that in the existing river channel flow monitoring process, flow detection cannot be rapidly and accurately performed on a water area in the middle of a river channel due to limitation of the river channel width, and the detection risk is high and the detection time is short when manual ship driving detection is used. And the detection efficiency is low. The circulating cable device for measuring and calculating the river flow comprises a supporting cableway mechanism, a circulating walking cableway mechanism and a walking driving mechanism, the walking driving mechanism is installed at the upper end of the supporting cableway mechanism, and a measuring trolley is installed on one side of the walking driving mechanism. The walking cableways and the circulating cableways are arranged on the two sides of the river channel, stable walking of the trolley above the river channel is conveniently kept, vertical monitoring can be conducted on each detection point on the river channel, the monitoring efficiency and accuracy are effectively improved, and real-time and accurate flow information is provided for hydrological departments.

Description

Technical Field

[0001] The invention relates to the technical field of river flow monitoring, in particular to a circulating rope device for measuring river flow. Background Art

[0002] A river channel is the route through which river water flows. River channels are divided into five levels. In order to ensure flood control safety and give full play to the comprehensive benefits of rivers, the management of rivers, artificial waterways, floodway areas, flood storage areas and flood detention areas is essential. Among them, real-time monitoring of river flow is required. River flow monitoring is a key link in hydrology and water conservancy projects. It is of great significance to water resources management, flood warning and ecological environmental protection. River flow monitoring helps to reasonably allocate and dispatch water resources to ensure efficient utilization; provide real-time data for flood control and disaster reduction, reduce flood threats; and provide basic data for ecological environmental protection and restoration.

[0003] However, in the existing river flow monitoring process, due to the limitation of river width, it is not possible to quickly and accurately detect the flow in the water area in the middle of the river, and when using manual boat detection, the detection risk is high and the detection efficiency is low; therefore, it does not meet the existing needs. In this regard, we propose a circulating rope device for measuring river flow. Summary of the invention

[0004] The object of the present invention is to provide a device with a circulating rope for measuring river flow, so as to solve the problems raised in the above background technology that in the existing process of river flow monitoring, due to the limitation of the width of the river, the flow of the water area in the middle of the river cannot be quickly and accurately detected, and when manual boat driving is used for detection, the detection risk is high and the detection efficiency is low.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a circulating cable device for measuring river flow, comprising a supporting cableway mechanism, a circulating traveling cableway mechanism and a traveling drive mechanism, wherein the traveling drive mechanism is installed at the upper end of the supporting cableway mechanism, a measuring trolley is installed at one side of the traveling drive mechanism, a circulating traveling cableway mechanism is installed on the inner side of the traveling drive mechanism and the measuring trolley, the supporting cableway mechanism comprises four supporting columns, wherein the upper ends of two adjacent supporting columns are installed with opposite-shore pulley mechanisms, and the upper ends of two other adjacent supporting columns are installed with shore pulley mechanisms, two supporting guide steel cables are installed between the opposite-shore pulley mechanism and the shore pulley mechanism, and the bottom ends of the supporting guide steel cables are fixedly installed with a first counterweight block; The walking drive mechanism includes two clamping angle plates, which are fixedly connected to the shore pulley mechanism, a driving protection box is fixedly installed on the outer sides of the two clamping angle plates, and two mounting side plates are fixedly installed between the two clamping angle plates, a first transmission motor is fixedly installed on one side of one of the mounting side plates, and a second transmission motor is fixedly installed on one side of the other mounting side plate, a gear set is installed on the output end of the first transmission motor, a double-groove wheel is installed on one side of the gear set, and a single-groove wheel is installed on the output end of the second transmission motor, and four correction pulleys are rotatably connected to the inner sides of the bottom ends of the two mounting side plates.

[0006] Preferably, the circulating walking cableway mechanism includes a second counterweight block, a connecting steel cable is fixedly mounted on the upper end of the second counterweight block, a connecting pulley seat is fixedly mounted on the upper end of the connecting steel cable, and an annular circulating steel cable is rollingly connected to the outer side of the connecting pulley seat.

[0007] Preferably, the measuring trolley includes a trolley shell, the four end corners of the upper end surface of the trolley shell are rotatably connected to walking guide wheels, the four end corners of the lower end surface of the trolley shell are fixedly installed with anti-collision blocks, the middle part of the lower end surface of the trolley shell is fixedly installed with a clamping module, and the bottom end of the clamping module is fixedly installed with a measuring module.

[0008] Preferably, the opposite shore pulley mechanism comprises a first H-shaped bracket, the inner side of the first H-shaped bracket is rotatably connected with a second guide wheel seat and two first guide wheel seats, the second guide wheel seat is located between the two first guide wheel seats, and the shore pulley mechanism comprises a second H-shaped bracket, the inner side of the second H-shaped bracket is rotatably connected with a fourth guide wheel seat and two third guide wheel seats, the fourth guide wheel seat is located between the two third guide wheel seats, the two first guide wheel seats and the two third guide wheel seats are located at the same height, and the height dimension of the second guide wheel seat is greater than the height dimension of the third guide wheel seat.

[0009] Preferably, the middle parts of the two supporting guide steel cables are movably connected to the first H-shaped bracket via two first guide wheel seats, and the upper ends of the two supporting guide steel cables are fixedly connected to both ends of the second H-shaped bracket.

[0010] Preferably, the upper end of the annular circulating steel cable is sleeved on the outer side of the second guide wheel seat and is movably connected to the first H-shaped bracket through the second guide wheel seat, and the annular circulating steel cable is transmission-connected to the second H-shaped bracket through the fourth guide wheel seat.

[0011] Preferably, the annular circulating steel cable is connected to the two mounting side plates through a double-groove pulley and a single-groove pulley transmission, and the annular circulating steel cable is movably connected to the connecting steel cable through a connecting pulley seat.

[0012] Preferably, the output end of the first transmission motor passes through the mounting side plate and is fixedly connected to the gear set, the output end of the first transmission motor is connected to the double-groove wheel through the gear set, the output end of the second transmission motor passes through the mounting side plate and is fixedly connected to the single-groove wheel, the four correction pulleys are equally divided into two groups, and the annular circulating steel cables are inserted between the two correction pulleys in each group.

[0013] Preferably, the four end corners of the trolley shell are connected to the two supporting guide steel cables through walking guide wheels, the upper part of the annular circulation steel cable is slidingly connected to the annular circulation steel cable, and the lower part of the annular circulation steel cable is fixedly connected to the trolley shell through a clamping module.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention connects the four end corners of the trolley housing with two supporting guide cables through the travel guide wheel transmission. The upper part of the annular circulation cable respectively penetrates the two mounting side plates and the trolley housing and is guided and turned by the second guide wheel seat and the fourth guide wheel seat, so that the upper and lower parts of the annular circulation cable form an annular cableway. The annular circulation cable can drive the trolley housing to move horizontally through the clamping module under the synchronous driving action of the single groove wheel and the double groove wheel. Then, the trolley housing drives the measuring module through the clamping module to move above the river channel, and can vertically monitor the flow velocity of each detection point of the river channel. At the same time, the river channel flow can be calculated in combination with the river channel section information, providing real-time and accurate flow information for the hydrological department. In particular, the flow information plays a key early warning role in flood control work during the flood season. 2. In the present invention, during the movement of the measuring trolley, the two supporting guide steel cables can achieve effective support through the rolling of the four traveling guide wheels. At the same time, the stability of the measuring trolley can be further maintained through the circulating transportation of the annular circulating steel cables. The four correction pulleys are equally divided into two groups. The annular circulating steel cables are inserted between the two groups of correction pulleys. Then, the correction pulleys can be used to correct the orientation of the circulating transportation process of the annular circulating steel cables to prevent friction and conflict between the annular circulating steel cables and the structure on the traveling drive mechanism when the angle of the second counterweight block below or the connecting pulley seat and the second counterweight block changes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of the opposite bank pulley mechanism of the present invention; Figure 3 It is a structural schematic diagram of the circulating traveling ropeway mechanism of the present invention; Figure 4 For the present invention Figure 2 Schematic diagram of the enlarged structure of the A area in the middle; Figure 5It is a structural schematic diagram of the travel drive mechanism of the present invention; Figure 6 It is a schematic diagram of the installation structure of the second transmission motor of the present invention; Figure 7 It is a schematic diagram of the exploded structure of the travel drive mechanism of the present invention.

[0016] In the figure: 1. supporting cableway mechanism; 101. supporting column; 102. opposite bank pulley mechanism; 103. bank pulley mechanism; 104. first counterweight block; 105. supporting guide steel cable; 106. first H-shaped bracket; 107. first guide wheel seat; 108. second guide wheel seat; 109. second H-shaped bracket; 110. third guide wheel seat; 111. fourth guide wheel seat; 2. circulating walking cableway mechanism; 201. second counterweight block; 202. connecting steel cable; 20 3. Connecting pulley seat; 204. Annular circulating steel cable; 3. Traveling drive mechanism; 301. Driving protection box; 302. Clamping angle plate; 303. Installing side plate; 304. First transmission motor; 305. Double groove wheel; 306. Single groove wheel; 307. Second transmission motor; 308. Gear set; 309. Correction pulley; 4. Measuring trolley; 401. Trolley shell; 402. Measuring module; 403. Traveling guide wheel; 404. Anti-collision block; 405. Clamping module. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] The first transmission motor 304 (model GV50-3.7KW-60-S) and the second transmission motor 307 (model KOM7080) mentioned in the present invention can be purchased from the market or customized.

[0019] See also Figures 1 to 3An embodiment of the present invention is as follows: a circulating cable device for measuring river flow, comprising a supporting cableway mechanism 1, a circulating walking cableway mechanism 2 and a walking drive mechanism 3, the walking drive mechanism 3 is installed on the upper end of the supporting cableway mechanism 1, a measuring trolley 4 is installed on one side of the walking drive mechanism 3, a circulating walking cableway mechanism 2 is installed on the inner side of the walking drive mechanism 3 and the measuring trolley 4, the circulating walking cableway mechanism 2 comprises a second counterweight block 201, a connecting steel cable 202 is fixedly installed on the upper end of the second counterweight block 201, a connecting pulley seat 203 is fixedly installed on the upper end of the connecting steel cable 202, an annular circulating steel cable 204 is rollingly connected to the outer side of the connecting pulley seat 203, the annular circulating steel cable 204 is movably connected to the connecting steel cable 202 through the connecting pulley seat 203, the annular circulating steel cable 204 is tightened by the second counterweight block 201, thereby preventing the measuring trolley 4 from shaking when moving.

[0020] See also Figures 1 to 4 The supporting cableway mechanism 1 includes four supporting columns 101, wherein the upper ends of two adjacent supporting columns 101 are installed with opposite-shore pulley mechanisms 102, and the upper ends of two other adjacent supporting columns 101 are installed with shore pulley mechanisms 103, and two supporting guide steel cables 105 are installed between the opposite-shore pulley mechanisms 102 and the shore pulley mechanisms 103, and the bottom ends of the supporting guide steel cables 105 are fixedly installed with first counterweight blocks 104, and the supporting guide steel cables 105 and the circulating walking cableway mechanism 2 can be guided and installed through the opposite-shore pulley mechanisms 102 and the shore pulley mechanisms 103, thereby facilitating the reciprocating movement of the measuring trolley 4; The opposite shore pulley mechanism 102 includes a first H-shaped bracket 106, the inner side of the first H-shaped bracket 106 is rotatably connected to a second guide wheel seat 108 and two first guide wheel seats 107, the second guide wheel seat 108 is located between the two first guide wheel seats 107, the shore pulley mechanism 103 includes a second H-shaped bracket 109, the inner side of the second H-shaped bracket 109 is rotatably connected to a fourth guide wheel seat 111 and two third guide wheel seats 110, the fourth guide wheel seat 111 is located between the two third guide wheel seats 110, the two first guide wheel seats 107 and the two third guide wheel seats 110 are located at the same height, and the height dimension of the second guide wheel seat 108 is greater than that of the third guide wheel seat 110. Height dimensions, the middle parts of the two supporting guide steel cables 105 are movably connected to the first H-shaped bracket 106 through the two first guide wheel seats 107, the upper ends of the two supporting guide steel cables 105 are fixedly connected to the two ends of the second H-shaped bracket 109, the upper end of the annular circulation steel cable 204 is fitted on the outer side of the second guide wheel seat 108 and is movably connected to the first H-shaped bracket 106 through the second guide wheel seat 108, the annular circulation steel cable 204 is transmission-connected to the second H-shaped bracket 109 through the fourth guide wheel seat 111, and the second guide wheel seat 108 and the fourth guide wheel seat 111 are used to facilitate the circulation guidance of the annular circulation steel cable 204 to maintain the stability of the transportation of the annular circulation steel cable 204.

[0021] See also Figures 4 to 7 The travel drive mechanism 3 includes two clamping angle plates 302, which are fixedly connected to the shore pulley mechanism 103. A driving protection box 301 is fixedly installed on the outer sides of the two clamping angle plates 302. Two mounting side plates 303 are fixedly installed between the two clamping angle plates 302. A first transmission motor 304 is fixedly installed on one side of one mounting side plate 303, and a second transmission motor 307 is fixedly installed on one side of the other mounting side plate 303. A gear set 308 is installed on the output end of the first transmission motor 304, a double-grooved wheel 305 is installed on one side of the gear set 308, and a single-grooved wheel 306 is installed on the output end of the second transmission motor 307; The annular circulation steel cable 204 is connected to the two mounting side plates 303 through the double groove wheel 305 and the single groove wheel 306. The output end of the first transmission motor 304 penetrates the mounting side plate 303 and is fixedly connected to the gear set 308. The output end of the first transmission motor 304 is connected to the double groove wheel 305 through the gear set 308. The output end of the second transmission motor 307 penetrates the mounting side plate 303 and is fixedly connected to the single groove wheel 306. The annular circulation steel cable 204 can drive the trolley housing 401 to move horizontally through the clamping module 405 under the synchronous driving action of the single groove wheel 306 and the double groove wheel 305 and under the guiding action of the second guide wheel seat 108 and the fourth guide wheel seat 111. Four correction pulleys 309 are rotatably connected to the inner sides of the bottom ends of the two mounting side plates 303. The four correction pulleys 309 are equally divided into two groups. The annular circulating steel cable 204 is inserted between the two correction pulleys 309 in each group. The correction pulley 309 can be used to correct the orientation of the circulating conveying process of the annular circulating steel cable 204 to prevent friction and conflict between the annular circulating steel cable 204 and the structure on the walking drive mechanism 3 when the angle of the second counterweight block 201 below or the connecting pulley seat 203 and the second counterweight block 201 changes.

[0022] See also Figure 3 and Figure 4 The measuring trolley 4 includes a trolley shell 401, the four end corners of the upper end surface of the trolley shell 401 are rotatably connected with walking guide wheels 403, the four end corners of the lower end surface of the trolley shell 401 are fixedly installed with anti-collision blocks 404, the middle part of the lower end surface of the trolley shell 401 is fixedly installed with a clamping module 405, and the bottom end of the clamping module 405 is fixedly installed with a measuring module 402, the four end corners of the trolley shell 401 are connected with the two supporting guide steel cables 105 through the walking guide wheels 403, the upper part of the annular circulation steel cable 204 is slidably connected with the annular circulation steel cable 204, and the lower part of the annular circulation steel cable 204 is fixedly connected with the trolley shell 401 through the clamping module 405, and the trolley shell 401 drives the measuring module 402 through the clamping module 405 to move over the river channel, so as to vertically monitor the flow velocity of each detection point in the river channel.

[0023] In summary, the four supporting columns 101 are equally divided into two groups, so that the two groups are respectively fixed on the banks on both sides of the river channel, and then the opposite bank pulley mechanism 102 and the shore pulley mechanism 103 are respectively fixedly installed with the two groups of supporting columns 101, the upper end of the supporting guide steel cable 105 is connected to the opposite bank pulley mechanism 102 through the second guide wheel seat 108 and is fixedly connected to the second H-shaped bracket 109, and the bottom end of the supporting guide steel cable 105 is fixedly connected to the first counterweight block 104 buried in the soil, and then the four end corners of the trolley shell 401 are all connected to the two supporting guide steel cables 105 through the walking guide wheel 403, and the power is turned on. The upper part of the circular circulation steel cable 204 passes through the two mounting side plates 303 and the trolley shell 401 respectively and is turned around through the second guide wheel seat 108 and the fourth guide wheel seat 111, so that the upper and lower parts of the circular circulation steel cable 204 form a circular cableway; The upper part of the ring-shaped circulating steel cable 204 is connected to the two mounting side plates 303 through the double groove wheel 305 and the single groove wheel 306, and the first transmission motor 304 and the second transmission motor 307 are started, so that the first transmission motor 304 drives the ring-shaped circulating steel cable 204 through the gear set 308 and the double groove wheel 305 under the support of the mounting side plate 303, and the second transmission motor 307 drives the ring-shaped circulating steel cable 204 through the single groove wheel 306 under the support of the mounting side plate 303, and then the ring-shaped circulating steel cable 204 can drive the trolley shell 401 to move horizontally through the clamping module 405 under the synchronous driving action of the single groove wheel 306 and the double groove wheel 305 and under the guidance of the second guide wheel seat 108 and the fourth guide wheel seat 111; Then, the trolley shell 401 drives the measuring module 402 through the clamping module 405 to move over the river channel, and can vertically monitor the flow velocity of each detection point of the river channel. At the same time, the river channel flow can be calculated in combination with the river channel cross-section information, providing real-time and accurate flow information for the hydrological department. In particular, the flow information plays a key early warning role in flood control work during the flood season. During the movement of the measuring trolley 4, the two supporting guide steel cables 105 can achieve effective support through the rolling of the four walking guide wheels 403, and the cyclic transmission of the annular circulating steel cable 204 can further maintain the stability of the measuring trolley 4. The supporting guide steel cable 105 and the annular circulation steel cable 204 are tightened by the first counterweight block 104 and the second counterweight block 201 respectively, so as to avoid shaking when the measuring trolley 4 moves. Four correction pulleys 309 are rotatably connected to the inner side of the bottom end of the two mounting side plates 303, and the four correction pulleys 309 are equally divided into two groups. The annular circulation steel cable 204 is inserted between the two groups of correction pulleys 309, and then the correction pulley 309 can be used to correct the orientation of the circulating conveying process of the annular circulation steel cable 204 to prevent the annular circulation steel cable 204 from rubbing and conflicting with the structure on the walking drive mechanism 3 when the angle of the second counterweight block 201 below or the connecting pulley seat 203 and the second counterweight block 201 changes.

[0024] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A circulating cable device for measuring river flow, comprising a supporting cableway mechanism (1), a circulating traveling cableway mechanism (2) and a traveling driving mechanism (3), characterized in that: A travel drive mechanism (3) is installed at the upper end of the support cableway mechanism (1), a measuring trolley (4) is installed on one side of the travel drive mechanism (3), a circulating travel cableway mechanism (2) is installed on the inner sides of the travel drive mechanism (3) and the measuring trolley (4), the support cableway mechanism (1) comprises four support columns (101), wherein the upper ends of two adjacent support columns (101) are installed with opposite-shore pulley mechanisms (102), and the upper ends of two other adjacent support columns (101) are installed with shore pulley mechanisms (103), two support guide steel cables (105) are installed between the opposite-shore pulley mechanism (102) and the shore pulley mechanism (103), and the bottom ends of the support guide steel cables (105) are fixedly installed with first counterweight blocks (104); The travel drive mechanism (3) comprises two clamping angle plates (302), the clamping angle plates (302) being fixedly connected to the shore pulley mechanism (103), a driving protection box (301) being fixedly installed on the outer sides of the two clamping angle plates (302), two mounting side plates (303) being fixedly installed between the two clamping angle plates (302), a first transmission motor (304) being fixedly installed on one side of one of the mounting side plates (303), a second transmission motor (307) being fixedly installed on one side of the other mounting side plate (303), a gear set (308) being installed at the output end of the first transmission motor (304), a double groove wheel (305) being installed at one side of the gear set (308), a single groove wheel (306) being installed at the output end of the second transmission motor (307), and four correction pulleys (309) being rotatably connected to the inner sides of the bottom ends of the two mounting side plates (303).

2. A device for measuring the flow of a river using a circulating cable according to claim 1, characterized in that: The circulating walking cableway mechanism (2) comprises a second counterweight block (201), a connecting steel cable (202) being fixedly mounted on the upper end of the second counterweight block (201), a connecting pulley seat (203) being fixedly mounted on the upper end of the connecting steel cable (202), and an annular circulating steel cable (204) being rollingly connected to the outer side of the connecting pulley seat (203).

3. A device for measuring the flow of a river using a circulating cable according to claim 2, characterized in that: The measuring trolley (4) comprises a trolley shell (401), the four end corners of the upper end surface of the trolley shell (401) are rotatably connected to walking guide wheels (403), the four end corners of the lower end surface of the trolley shell (401) are fixedly installed with anti-collision blocks (404), the middle part of the lower end surface of the trolley shell (401) is fixedly installed with a clamping module (405), and the bottom end of the clamping module (405) is fixedly installed with a measuring module (402).

4. A device for measuring the flow of a river using a circulating cable according to claim 3, characterized in that: The opposite shore pulley mechanism (102) comprises a first H-shaped bracket (106), the inner side of the first H-shaped bracket (106) being rotatably connected to a second guide wheel seat (108) and two first guide wheel seats (107), the second guide wheel seat (108) being located between the two first guide wheel seats (107), the shore pulley mechanism (103) comprising a second H-shaped bracket (109), the inner side of the second H-shaped bracket (109) being rotatably connected to a fourth guide wheel seat (111) and two third guide wheel seats (110), the fourth guide wheel seat (111) being located between the two third guide wheel seats (110), the two first guide wheel seats (107) and the two third guide wheel seats (110) being located at the same height, and the height dimension of the second guide wheel seat (108) being greater than the height dimension of the third guide wheel seat (110).

5. A device for measuring the flow of a river using a circulating cable according to claim 4, characterized in that: The middle parts of the two supporting guide steel cables (105) are movably connected to the first H-shaped bracket (106) via two first guide wheel seats (107), and the upper ends of the two supporting guide steel cables (105) are fixedly connected to both ends of the second H-shaped bracket (109).

6. A device for measuring the flow of a river using a circulating cable according to claim 5, characterized in that: The upper end of the annular circulating steel cable (204) is sleeved on the outer side of the second guide wheel seat (108) and is movably connected to the first H-shaped bracket (106) via the second guide wheel seat (108); the annular circulating steel cable (204) is transmission-connected to the second H-shaped bracket (109) via the fourth guide wheel seat (111).

7. A device for measuring the flow of a river using a circulating cable according to claim 6, characterized in that: The annular circulating steel cable (204) is transmission-connected to the two mounting side plates (303) via a double groove wheel (305) and a single groove wheel (306), and the annular circulating steel cable (204) is movably connected to the connecting steel cable (202) via a connecting pulley seat (203).

8. The device for measuring the flow rate of a river channel according to claim 7, characterized in that: The output end of the first transmission motor (304) passes through the mounting side plate (303) and is fixedly connected to the gear set (308); the output end of the first transmission motor (304) is transmission-connected to the double-groove pulley (305) via the gear set (308); the output end of the second transmission motor (307) passes through the mounting side plate (303) and is fixedly connected to the single-groove pulley (306); the four correction pulleys (309) are equally divided into two groups; the annular circulating steel cables (204) are plugged between the two correction pulleys (309) in each group.

9. A device for measuring the flow of a river using a circulating cable according to claim 8, characterized in that: The four end corners of the trolley housing (401) are all connected to the two supporting guide steel cables (105) through the travel guide wheels (403); the upper part of the annular circulation steel cable (204) is slidably connected to the annular circulation steel cable (204); and the lower part of the annular circulation steel cable (204) is fixedly connected to the trolley housing (401) through the clamping module (405).

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