A monitoring device that is easy to install
By introducing a pulling mechanism into the monitoring equipment to enable the automatic locking and lowering of components such as cameras, the problem of needing to hoist equipment for installation and maintenance in existing technologies is solved, thereby improving installation efficiency and reducing maintenance difficulty.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN XINZE SECURITY TECHNOLOGY CO LTD
- Filing Date
- 2025-07-03
- Publication Date
- 2026-07-21
AI Technical Summary
The installation and maintenance of existing monitoring equipment requires the use of hoisting equipment or lifting platforms, which increases the difficulty and danger of operation.
A pulling mechanism is used to lock the camera and other components into place. The automatic locking and lowering are achieved through the pulling mechanism of the equipment itself, avoiding dependence on the lifting platform.
It simplifies the installation process, reduces maintenance difficulty, improves installation efficiency, and reduces the need for personnel to climb.
Smart Images
Figure CN224533889U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of monitoring equipment and its installation, specifically to a monitoring equipment that is easy to install. Background Technology
[0002] Surveillance equipment typically includes cameras and a control box, which are mounted on a platform on a column. Existing surveillance equipment also includes solar panels. Installation generally employs the following two methods: (1) Fix the camera, control box and solar panel to the upper part of the column, and then fix them on the ground by hoisting equipment.
[0003] (2) First fix the column, and then manually fix the camera, control box and solar panel on the column using other lifting equipment.
[0004] Our research revealed that all of the above installation methods require additional hoisting equipment for final installation. The main problem is that subsequent maintenance requires manual climbing onto the column or using other lifting platforms to raise the equipment to a designated height for positioning, thus increasing the difficulty of both installation and subsequent maintenance. Utility Model Content
[0005] The main inventive concept of this application is that during installation, only one hoisting and fixing of the column is required. The camera and other components can be snapped into place by the pulling mechanism of the equipment itself. Especially during later maintenance, no other hoisting or lifting platform or other equipment is needed. The camera and control box can be lowered to a specified height by the pulling mechanism, which is convenient for personnel to perform maintenance without the need for personnel to climb, thus reducing the difficulty of maintenance operations.
[0006] According to the above-described inventive concept, this application provides a monitoring device that is easy to install, including a fixing part fixed to the ground, a column provided on the upper side of the fixing part, an installation platform slidably sleeved on the column, a guide installation mechanism provided on the top of the column, an automatic locking mechanism for fixing the installation platform on the guide installation mechanism, and a pulling mechanism provided on the column for pulling the installation platform up and down. A monitoring camera and a control box are provided on the installation platform, and the monitoring camera is communicatively connected to the control box.
[0007] By adopting the above technical solution: the fixing part is mainly used to fix the entire equipment. The installation platform is slidably installed on the column, which facilitates the up and down movement of the monitoring camera and control box installed on it. When pulled by the pulling mechanism, it rises to the automatic guide installation mechanism for guidance, so that the installation platform is basically coaxial with the column. When it rises to the automatic locking mechanism, it can automatically lock and fix, completing the installation. When maintenance is required, the installation platform is first lifted slightly upward by the pulling mechanism. After releasing the automatic locking, it can be lowered. After descending to the designated height, personnel can carry out maintenance, etc., without the need for personnel to climb or catch other lifting platform equipment for maintenance, which improves installation efficiency and reduces maintenance difficulty.
[0008] As an optional technical solution of this application, the fixing part includes a fixing plate attached to the ground, the fixing plate is fixed to the ground by anchor bolts, and multiple reinforcing ribs are provided between the fixing plate and the column.
[0009] By adopting the above technical solution: during installation, the fixing plate is fixed to the ground with anchor bolts, and the connection strength between the fixing plate and the column is further improved by setting reinforcing ribs.
[0010] As an optional technical solution of this application, the installation platform includes an inner ring and an outer ring, the inner ring and the outer ring are fixedly connected by multiple connecting rods, and the inner ring is connected in cooperation with an automatic snap-fit mechanism. By adopting the above technical solution: the inner ring is used to engage with the automatic locking mechanism, and the outer ring is used to install the control box, etc.
[0011] As an optional technical solution of this application, the lower part of the inner ring is provided with a reinforcing ring, the reinforcing ring is fixedly connected to the lower side of the inner ring by a reinforcing rod, the monitoring camera is installed on the inner ring and the reinforcing ring, and the control box is fixedly connected to the outer ring.
[0012] By adopting the above technical solution: the reinforcing ring is used to strengthen the structural strength of the installation platform. It can also be used in conjunction with the inner or outer ring to install surveillance cameras. At the same time, when the entire installation platform is lowered during maintenance, the reinforcing ring can also serve to support and fix it, making maintenance easier.
[0013] As an optional technical solution of this application, the guide installation mechanism includes multiple guide plates disposed on the top of the column, the lower part of the guide plate having an arc guide portion, and the automatic snap-fit mechanism being rotatably mounted on the guide plate.
[0014] By adopting the above technical solution, the guide plate serves two purposes: firstly, it guides and positions the inner ring during the lifting and installation of the platform, facilitating subsequent automatic engagement; secondly, it can be used to install the automatic engagement mechanism, which, after engaging the inner ring, supports the installation platform.
[0015] As an optional technical solution of this application, the automatic locking mechanism includes a swing locking member for locking and unlocking the inner ring, which is rotatably set on the outer side of the guide plate via a hinge shaft, and the hinge shaft is located on the center line of gravity of the swing locking member.
[0016] By adopting the above technical solution: the swinging snap-fit component is mainly used to snap the inner ring. At the same time, when maintenance is required, it can be unlocked to facilitate the lowering of the inner ring for equipment maintenance. Since the hinge shaft is located on the center line of gravity of the swinging snap-fit component, it naturally hangs down under the action of gravity, and of course, it can also swing left and right.
[0017] As an optional technical solution of this application, the swinging snap-fit component includes a snap-fit plate, a snap-fit groove on the side of the snap-fit plate away from the column, an entry guide part at the lower part of the snap-fit groove, an exit guide part on the upper inner side wall of the snap-fit groove, and a return guide part at the upper part of the snap-fit groove.
[0018] As an optional technical solution of this application, the entry guide is located at the lower part of the snap-fit plate and is arc-shaped, the return guide is arc-shaped, and the length of the return guide extending out of the guide plate is greater than the length of the entry guide extending out of the guide plate.
[0019] By adopting the above technical solution: during installation, the entire installation platform gradually rises under the pull of the pulling mechanism. When the inner ring rises to contact the guide part, the guide part is arc-shaped, which drives the entire snap-fit plate to swing towards the hinge shaft. When the inner ring continues to rise and disengages from the guide part, the snap-fit plate swings back to its original natural position under the action of gravity. At this time, the inner ring is lowered slightly, and the inner ring enters the snap-fit groove to form a snap-fit, thus completing the fixation.
[0020] When maintenance is required, the inner ring is first pulled upwards by the pulling mechanism. At this time, the inner ring first contacts the groove guide, causing the locking plate to swing to the side of the beam. The inner ring gradually disengages from the locking groove. After the inner ring is completely disengaged from the locking groove, the locking plate swings back to its natural position under the action of gravity. At this time, the inner ring is descending and contacts the return guide, causing the locking plate to swing. During the return process, the inner ring will not enter the locking groove, so there is no locking obstruction and it can return smoothly. Afterwards, the locking plate swings back to its natural position again. After maintenance is completed, the inner ring is locked again to complete the fixation. The whole process does not require personnel to climb or catch other lifting equipment, which reduces the difficulty of maintenance.
[0021] As an optional technical solution of this application, the column is hollow inside, and the pulling mechanism includes a drum rotatably connected inside the column. A bundle of three-strand pull ropes is wound on the drum. The other end of the pull ropes passes through the top of the column and is fixed on an inner ring. The top of the column is provided with three sets of mounting plates. Each set of mounting plates is provided with two pulleys for sliding the pull ropes. A crank handle connected to the drum is rotatably connected to the column.
[0022] By adopting the above technical solution: three sets of guide plates can be set on the top of the column, and a swing clip is set on each guide plate. At the same time, by setting pulleys, the three pull ropes can be fixed to the inner ring after passing through the pulleys, which facilitates the lifting and lowering of the installation platform. The drum can be rotated by setting a crank.
[0023] As an optional technical solution of this application, a solar power panel is installed on the outer ring by a bracket, the solar power panel is electrically connected to the battery in the control box, and the column is provided with a receiving platform for receiving the reinforcing ring.
[0024] By adopting the above technical solution, the solar panels can generate electricity, which is stored in batteries to provide power for the entire equipment. By setting up a support platform, the reinforcing ring can be supported on the support platform when the installation platform is lowered, which facilitates personnel to maintain the equipment.
[0025] The working principle and beneficial effects of this application are as follows: 1. The fixing unit is mainly used to fix the entire equipment. The installation platform is slidably installed on the column, which facilitates the up and down movement of the monitoring camera and control box installed on it. When pulled by the pulling mechanism, it rises to the automatic guide installation mechanism for guidance, so that the installation platform is basically coaxial with the column. When it rises to the automatic locking mechanism, it can automatically lock and fix, completing the installation. When maintenance is required, the installation platform is first lifted slightly upward by the pulling mechanism. After releasing the automatic locking, it can be lowered. After lowering to the designated height, personnel can carry out maintenance, etc., without the need for personnel to climb or catch other lifting platform equipment for maintenance, which improves installation efficiency and reduces maintenance difficulty.
[0026] 2. The guide plate of this application serves two purposes: first, it guides and positions the inner ring during the lifting and installation of the platform, facilitating subsequent automatic engagement; second, it can be used to install the automatic engagement mechanism, which, after engaging the inner ring, supports the installation platform.
[0027] 3. During installation, the entire installation platform gradually rises under the pull of the pulling mechanism. When the inner ring rises to contact the guide part, the guide part is arc-shaped, which drives the entire snap-fit plate to swing towards the hinge shaft. When the inner ring continues to rise and disengages from the guide part, the snap-fit plate swings back to its original natural position under the action of gravity. At this time, the inner ring is lowered slightly, and the inner ring enters the snap-fit groove to form a snap-fit, thus completing the fixation.
[0028] 4. When maintenance is required, the inner ring is first pulled upwards using the pulling mechanism. The inner ring then contacts the guide part, causing the locking plate to swing towards the side of the beam. The inner ring gradually disengages from the locking groove. Once completely disengaged, the locking plate swings back to its natural position under gravity. The inner ring then descends, contacting the return guide part, causing the locking plate to swing. During the return process, the inner ring does not enter the locking groove, thus eliminating any locking obstruction and allowing for smooth return. The locking plate then swings back to its natural position again. After maintenance, the inner ring is locked again to complete the fixation. The entire process eliminates the need for personnel to climb or catch other lifting equipment, reducing maintenance difficulty. Attached Figure Description
[0029] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0030] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application; Figure 2 This is a top view of the installation platform according to an embodiment of this application; Figure 3 This is a schematic diagram of the structure when the inner ring contacts the guide portion according to an embodiment of this application; Figure 4 This is a schematic diagram of the structure of the inner ring in the snap-fit groove according to an embodiment of this application; Figure 5 This is a schematic diagram of the structure when the inner ring contacts the groove guide portion upwards according to an embodiment of this application; Figure 6 This is a schematic diagram of the structure of the inner ring in an embodiment of this application when it is about to be removed from the locking groove; Figure 7 This is a schematic diagram of the structure of the inner ring after it is removed from the slot and is about to return to its downward position according to an embodiment of this application.
[0031] The markings in the attached diagram are as follows: 100. Fixing part; 110. Fixing plate; 120. Anchor bolt; 130. Reinforcing rib plate; 140. Receiving platform; 200. Column; 300. Installation platform; 310. Inner ring; 320. Outer ring; 330. Connecting rod; 340. Reinforcing ring; 350. Reinforcing rod; 400. Guide installation mechanism; 410. Guide plate; 420. Arc guide part; 500. Automatic snap-fit mechanism; 510. Hinge shaft; 520. Snap-fit plate; 530. Snap-fit groove; 540. Entering guide part; 550. Exiting guide part; 560. Return guide part; 600. Pulling mechanism; 610. Drum; 620. Pull rope; 630. Installation strip; 640. Pulley; 650. Handle; 700. Monitoring camera; 800. Control box; 900. Bracket; 910. Solar panel. Detailed Implementation
[0032] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.
[0033] The main inventive concept of this embodiment is that during installation, only one hoisting and fixing of the column is required. The camera and other components can be snapped into place by the pulling mechanism of the equipment itself. Especially during later maintenance, no other hoisting or lifting platform or other equipment is needed. The camera and control box can be snapped into place by the pulling mechanism, so that the camera and control box can be lowered to a specified height, which is convenient for personnel to perform maintenance without the need for personnel to climb, thus reducing the difficulty of maintenance operations.
[0034] Reference Figure 1 According to the above-described inventive concept, this embodiment provides a monitoring device that is easy to install, including a fixing part 100 fixed to the ground. The fixing part 100 is mainly used to fix the entire device. A column 200 is provided on the upper side of the fixing part 100. The column 200 is made of steel pipe. An installation platform 300 is slidably sleeved on the column 200. A guide installation mechanism 400 is provided on the top of the column 200 for guiding the installation platform 300. An automatic snap-fit mechanism 500 is provided on the guide installation mechanism 400 to fix the installation platform 300. It also includes a pulling mechanism 600 provided on the column 200 to pull the installation platform 300 up and down. A monitoring camera 700 and a control box 800 are provided on the installation platform 300. The monitoring camera 700 is communicatively connected to the control box 800.
[0035] The basic principle of this embodiment is as follows: The installation platform 300 is slidably installed on the column 200, which facilitates the vertical movement of the monitoring camera 700 and control box 800 installed on it. When pulled by the pulling mechanism 600, it rises to the automatic guide installation mechanism 400 for guidance, making the installation platform 300 and the column 200 basically coaxial. When it rises to the automatic locking mechanism 500, it can automatically lock and fix, completing the installation. When maintenance is required, the installation platform 300 is first lifted slightly upward by the pulling mechanism 600. After the automatic locking is released, it can be lowered. After descending to the designated height, personnel can carry out maintenance without having to climb or catch other lifting platform equipment for maintenance, which improves installation efficiency and reduces maintenance difficulty.
[0036] Reference Figure 1 In order to fix the column 200 to the ground, the fixing part 100 in this embodiment includes a fixing plate 110 attached to the ground. The fixing plate 110 can be a disc-shaped steel plate, which is welded to the bottom of the column 200. The fixing plate 110 is fixed to the ground by anchor bolts 120. Multiple reinforcing ribs 130 are provided between the fixing plate 110 and the column 200. During installation, the fixing plate 110 is fixed to the ground by anchor bolts 120. The connection strength between the fixing plate 110 and the column 200 is further improved by setting the reinforcing ribs 130.
[0037] Reference Figure 2 The installation platform 300 in this embodiment includes an inner ring 310 and an outer ring 320. The inner ring 310 and the outer ring 320 are fixedly connected by multiple connecting rods 330. The inner ring 310 is connected in cooperation with the automatic snap-fit mechanism 500. The inner ring 310 is used to snap into the automatic snap-fit mechanism 500. The outer ring 320 is used to install the control box 800, etc. Both the inner ring 310 and the outer ring 320 are circular tubes, which are welded together by the connecting rods 330 to form an installation platform 300 in the form of inner and outer rings.
[0038] Reference Figure 1 and Figure 2 To further enhance the structural strength of the entire mounting platform 300, this embodiment provides a reinforcing ring 340 at the lower part of the inner ring 310. The reinforcing ring 340 is also a circular tube. The reinforcing ring 340 is fixedly connected to the lower side of the inner ring 310 through a reinforcing rod 350. The monitoring camera 700 is mounted on the inner ring 310 and the reinforcing ring 340. The control box 800 is fixedly connected to the outer ring 320. The reinforcing ring 340 is used to enhance the structural strength of the mounting platform 300. It can also cooperate with the inner ring 310 or the outer ring 320 to install the monitoring camera 700. At the same time, during maintenance, when the entire mounting platform 300 is lowered, the reinforcing ring 340 can also serve to support and fix it, facilitating maintenance.
[0039] Reference Figure 1 In order to guide the inner ring 310 on the lifting and installation platform 300, the guide installation mechanism 400 in this embodiment includes multiple guide plates 410 disposed on the top of the column 200. The lower part of the guide plate 410 has an arc guide portion 420. The automatic snap-fit mechanism 500 is rotatably mounted on the guide plate 410. In this embodiment, the guide plate 410 has at least two functions: first, to guide and position the inner ring 310 when lifting and installing the platform 300, so as to facilitate subsequent automatic snap-fit; second, to be used to install the automatic snap-fit mechanism 500, which, after snapping the inner ring 310, serves to support the installation platform 300.
[0040] Reference Figure 1 and Figure 3 In order to achieve snap-fit and facilitate the lowering of the installation platform 300, the automatic snap-fit mechanism 500 in this embodiment includes a swing snap-fit component for snapping and unlocking the inner ring 310, which is rotatably set on the outer side of the guide plate 410 via a hinge shaft 510. The hinge shaft 510 is located on the center line of gravity of the swing snap-fit component. The swing snap-fit component is mainly used to snap the inner ring 310, and can also unlock the snap-fit when maintenance is required, so as to facilitate the lowering of the inner ring 310 for equipment maintenance. Since the hinge shaft 510 is located on the center line of gravity of the swing snap-fit component, it hangs down naturally under the action of gravity, and of course, it can also swing left and right.
[0041] Reference Figure 3 The swinging snap-fit component includes a snap-fit plate 520. The snap-fit plate 520 has a snap-fit groove 530 on the side away from the column 200. The lower part of the snap-fit groove 530 has an entry guide part 540. The upper inner side wall of the snap-fit groove 530 has an exit guide part 550. The upper part of the snap-fit groove 530 has a return guide part 560.
[0042] The specific settings are as follows: the entry guide 540 is located at the lower part of the snap-fit plate 520 and is arc-shaped; the return guide 560 is arc-shaped; and the length of the return guide 560 extending out of the guide plate 410 is greater than the length of the entry guide 540 extending out of the guide plate 410.
[0043] Reference Figure 3 During installation, the entire installation platform 300 gradually rises under the pull of the pulling mechanism 600. When the inner ring 310 rises to contact the entry guide 540, the entry guide 540 is arc-shaped, thereby driving the entire snap plate 520 to swing towards the hinge shaft 510.
[0044] Reference Figure 4As the inner ring 310 continues to rise and disengages from the guide section 540, the snap-fit plate 520 swings back to its original natural position under the action of gravity. At this time, the inner ring 310 is lowered slightly, and the inner ring 310 enters the snap-fit groove 530 to form a snap-fit and complete the fixation.
[0045] Reference Figure 5 and Figure 6 When maintenance is required, the inner ring 310 is first pulled upward by the pulling mechanism 600. At this time, the inner ring 310 first contacts the groove guide part 550, causing the snap plate 520 to swing to the side of the beam tilt, and the inner ring 310 gradually disengages from the snap groove 530. Reference Figure 7 When the inner ring 310 is completely disengaged from the locking groove 530, the locking plate 520 swings back to its natural position under the action of gravity. At this time, the inner ring 310 is descending and contacts the return guide part 560, causing the locking plate 520 to swing. During the return process, the inner ring 310 will not enter the locking groove 530, so there is no locking obstruction and it can return smoothly. After that, the locking plate 520 swings back to its natural position again. After maintenance is completed, the inner ring 310 is locked again to complete the fixation. The whole process does not require personnel to climb or catch other lifting equipment, which reduces the difficulty of maintenance.
[0046] Looking back Figure 1 In order to pull the installation platform 300, the column 200 in this embodiment is hollow inside. The pulling mechanism 600 includes a drum 610 rotatably connected inside the column 200. A bundle of three-strand pull ropes 620 is wound on the drum 610. The other end of the pull ropes 620 passes through the top of the column 200 and is fixed on the inner ring 310. The top of the column 200 is provided with three sets of mounting plates 630. Each set of mounting plates 630 is provided with two pulleys 640 for sliding the pull ropes 620. A crank handle 650 connected to the drum 610 is rotatably connected to the column 200.
[0047] Specifically, three sets of guide plates 410 can be installed on the top of the column 200. Each guide plate 410 is equipped with a swinging snap-fit component. At the same time, by setting pulleys 640, the three pull ropes 620 can be fixed to the inner ring 310 after passing through the pulleys 640, which facilitates the lifting and lowering of the installation platform 300. The drum 610 can be rotated by setting a crank handle 650.
[0048] In order to be self-powered, a solar panel 910 is installed on the outer ring 320 via a bracket 900. The solar panel 910 is electrically connected to the battery in the control box 800. The column 200 is provided with a receiving platform 140 for supporting the reinforcing ring 340. The solar panel 910 can generate electricity and store it through the battery, which can provide power for the entire equipment. By setting up the receiving platform 140, the reinforcing ring 340 can be supported on the receiving platform 140 when the installation platform 300 is lowered, which facilitates personnel to maintain the equipment.
[0049] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A monitoring device that is easy to install, characterized in that, The device includes a fixed part (100) fixed to the ground, a column (200) on the upper side of the fixed part (100), an installation platform (300) slidably mounted on the column (200), a guide installation mechanism (400) on the top of the column (200), an automatic snap-fit mechanism (500) for fixing the installation platform (300) on the guide installation mechanism (400), a pulling mechanism (600) on the column (200) for pulling the installation platform (300) up and down, a monitoring camera (700) and a control box (800) on the installation platform (300), and the monitoring camera (700) is communicatively connected to the control box (800).
2. The easy-to-install monitoring device according to claim 1, characterized in that, The fixing part (100) includes a fixing plate (110) attached to the ground. The fixing plate (110) is fixed to the ground by anchor bolts (120). A plurality of reinforcing ribs (130) are provided between the fixing plate (110) and the column (200).
3. The easy-to-install monitoring device according to claim 1, characterized in that, The installation platform (300) includes an inner ring (310) and an outer ring (320). The inner ring (310) and the outer ring (320) are fixedly connected by multiple connecting rods (330). The inner ring (310) is connected in cooperation with an automatic snap-fit mechanism (500).
4. The easy-to-install monitoring device according to claim 3, characterized in that, The lower part of the inner ring (310) is provided with a reinforcing ring (340), and the reinforcing ring (340) is fixedly connected to the lower side of the inner ring (310) by a reinforcing rod (350). The monitoring camera (700) is installed on the inner ring (310) and the reinforcing ring (340), and the control box (800) is fixedly connected to the outer ring (320).
5. The easy-to-install monitoring device according to claim 3, characterized in that, The guide installation mechanism (400) includes a plurality of guide plates (410) disposed on the top of the column (200), the lower part of the guide plate (410) having an arc guide portion (420), and the automatic snap-fit mechanism (500) being rotatably mounted on the guide plate (410).
6. The easy-to-install monitoring device according to claim 5, characterized in that, The automatic snap-fit mechanism (500) includes a swing snap-fit member for snapping and unlocking the inner ring (310) on the outer side of the guide plate (410) via a hinge shaft (510), the hinge shaft (510) being located on the center line of the swing snap-fit member.
7. The easy-to-install monitoring device according to claim 6, characterized in that, The swinging snap-fit component includes a snap-fit plate (520), a snap-fit groove (530) on the side of the snap-fit plate (520) away from the column (200), an entry guide (540) at the lower part of the snap-fit groove (530), an exit guide (550) on the upper inner side wall of the snap-fit groove (530), and a return guide (560) at the upper part of the snap-fit groove (530).
8. The easy-to-install monitoring device according to claim 7, characterized in that, The entry guide (540) is located at the lower part of the snap-fit plate (520) and is arc-shaped. The return guide (560) is arc-shaped, and the length of the return guide (560) extending out of the guide plate (410) is greater than the length of the entry guide (540) extending out of the guide plate (410).
9. A monitoring device that is easy to install according to any one of claims 4-8, characterized in that, The column (200) is hollow inside. The pulling mechanism (600) includes a drum (610) rotatably connected inside the column (200). A bundle of three-strand pull ropes (620) is wound on the drum (610). The other end of the pull ropes (620) passes through the top of the column (200) and is fixed on the inner ring (310). The top of the column (200) is provided with three sets of mounting plates (630). Each set of mounting plates (630) is provided with two pulleys (640) for sliding the pull ropes (620). A crank (650) rotatably connected to the drum (610) is rotatably connected to the column (200).
10. A monitoring device that is easy to install according to claim 9, characterized in that, A solar panel (910) is mounted on the outer ring (320) via a bracket (900). The solar panel (910) is electrically connected to a battery in the control box (800). A receiving platform (140) for receiving the reinforcing ring (340) is provided on the column (200).