Solar miniature water quality monitoring station

Abstract

The utility model belongs to the technical field of water quality monitoring, and discloses a solar miniature water quality monitoring station which is characterized in that a photovoltaic panel is obliquely arranged and mounted at the top of a cabinet; the solar controller, the intelligent instrument, the storage battery and the water sample pretreatment module are all mounted in the cabinet, the water pump is mounted outside the cabinet, a water outlet of the water pump is communicated with the water sample pretreatment module through a water pipe, and the electrode sensor is mounted in the water sample pretreatment module; a peristaltic pump is arranged in the intelligent instrument, and a water inlet of the peristaltic pump is communicated with a water outlet of the water sample pretreatment module through a water pipe; the solar controller is electrically connected with the photovoltaic panel, the intelligent instrument, the storage battery, the water pump, the electrode sensor and the water sample pretreatment module. The water quality detection equipment can supply power by itself, meets the electricity demand of water quality detection, is simple in overall structure, and all equipment except the water pump is integrated on one cabinet, so that the occupied area is reduced, the overall weight is well controlled, and the transportation cost can be well controlled.

Description

Technical Field

[0001] The utility model belongs to the technical field of water quality monitoring, and particularly relates to a solar-powered micro water quality monitoring station. Background Art

[0002] The outdoor water quality monitoring station is a process of monitoring and measuring the types of pollutants in water bodies, the concentrations of various pollutants and their changing trends, and evaluating the water quality status. It needs to be established in relatively remote fields beside natural waters (rivers, lakes, seas, and groundwater) and various industrial wastewaters. The existing outdoor water quality monitoring stations are large in size, heavy in weight, and large in floor area, and need to be connected to power supply lines, network cables, etc. It is difficult to transport and install them in remote places, which is not only costly but also time-consuming and laborious.

[0003] In summary, a new water quality monitoring station needs to be proposed to improve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a solar-powered micro water quality monitoring station to solve one or more of the above problems existing in the prior art.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A solar-powered micro water quality monitoring station includes a photovoltaic panel, a cabinet, a solar controller, an intelligent instrument, a storage battery, a water pump, a router, an electrode sensor, and a water sample pretreatment module. The photovoltaic panel is inclined and installed on the top of the cabinet; the solar controller, the intelligent instrument, the storage battery, and the water sample pretreatment module are all installed inside the cabinet, the water pump is installed outside the cabinet, and the water outlet of the water pump is connected to the water sample pretreatment module through a water pipe. The electrode sensor is installed inside the water sample pretreatment module; a peristaltic pump is arranged inside the intelligent instrument, and the water inlet of the peristaltic pump is connected to the water outlet of the water sample pretreatment module through a water pipe; the solar controller is electrically connected to the photovoltaic panel, the intelligent instrument, the storage battery, the water pump, the electrode sensor, and the water sample pretreatment module.

[0007] As a preferred technical solution of the utility model, a photovoltaic panel support is installed at the upper end of the cabinet, and the photovoltaic panel is installed on the photovoltaic panel support; four mounting holes are opened at the upper end of the cabinet, the four mounting holes are arranged in a square shape, and the lower end of the photovoltaic panel support is fitted and installed in the four mounting holes; the photovoltaic panel is electrically connected to the solar controller through a wire, the wire penetrates through the cabinet, and a sealed waterproof joint is installed at the connection between the wire and the cabinet.

[0008] As a preferred technical solution of the utility model, a camera capable of rotating 360 degrees is arranged below the photovoltaic panel, and the camera is installed at the upper end of the cabinet through a camera support; the camera is electrically connected to the solar controller.

[0009] As a preferred technical solution in the present utility model, a first-layer fixing plate and a second-layer fixing plate are installed in the middle of the cabinet. The second-layer fixing plate is located above the first-layer fixing plate. The battery and the water sample pretreatment module are both installed on the first-layer fixing plate, and the intelligent instrument is installed on the second-layer fixing plate.

[0010] As a preferred technical solution in the present utility model, an avoidance opening is formed on one side of the first-layer fixing plate facing the cabinet door, and sliding rails extending in the direction inside and outside the cabinet are installed on the first-layer fixing plate on both sides of the avoidance opening; the water sample pretreatment module is installed on a water sample pretreatment module bracket, and sliders are installed on both sides of the water sample pretreatment module bracket, and the sliders on both sides of the water sample pretreatment module bracket are respectively slidably connected to the two sliding rails.

[0011] As a preferred technical solution in the present utility model, a positioning plate extending towards the inside of the cabinet is provided on the water sample pretreatment module bracket, and a positioning bolt is threadedly connected to the first-layer fixing plate. The lower end of the positioning bolt passes through the first-layer fixing plate and abuts against the positioning plate.

[0012] As a preferred technical solution in the present utility model, an upper installation cavity is formed by the cooperation between the second-layer fixing plate and the inner top surface of the cabinet. The intelligent instrument is located on one side of the upper installation cavity. A small door installed on the cabinet is provided between the intelligent instrument and the other side of the upper installation cavity. The solar controller is installed on the small door; a small refrigerator, an inverter and a socket strip are installed on the other side of the upper installation cavity corresponding to the small door. The inverter is electrically connected to the solar controller. The intelligent instrument, the router and the small refrigerator are all connected to the inverter through the socket strip.

[0013] As a preferred technical solution in the present utility model, louvers are provided on the cabinet on one side of the upper installation cavity, and louvers aligned with the battery are also installed on the cabinet on the other side of the upper installation cavity. Fine meshes are installed in all the louvers and the openings face downward; heat insulation cotton is installed on the inner wall of the cabinet, and ventilation openings are provided at the heat insulation cotton corresponding to the louvers.

[0014] As a preferred technical solution in the present utility model, a lower installation cavity is formed between the first-layer fixing plate and the inner bottom surface of the cabinet, and a middle door is installed at the lower installation cavity; a pure water bucket and a waste liquid bucket are installed in the lower installation cavity. The pure water bucket is connected to the water inlet of the peristaltic pump through a water pipe, and the water outlet of the intelligent instrument is connected to the waste liquid bucket through a water pipe.

[0015] As a preferred technical solution in the present utility model, eyebolt is installed on the top of the cabinet; fixing seats are installed at the bottom of the cabinet, forklift openings are formed on the fixing seats, and fixing seat covers are connected to the forklift openings through bolts.

[0016] Beneficial effects: The photovoltaic panel of the present utility model is inclined and installed on the top of the cabinet, which can prevent foreign objects such as rainwater, leaves, and dust from falling onto the photovoltaic panel and blocking sunlight, affecting the light conversion efficiency. On the other hand, it reduces the direct sunlight exposure of the equipment, avoids excessive temperature inside the equipment, affecting the operation of the equipment, and reduces the exposure to wind and rain, improving the service life of the equipment; the photovoltaic panel converts solar energy into electrical energy and stores it in the battery through the solar controller, which can supply the power consumption needs of all electronic devices in the cabinet, so as to achieve self-sufficiency in power consumption outdoors, work normally in continuous rainy days, and also save the cost of connecting lines; in practice, when conducting water quality detection, the water pump is controlled to pump the water source at a specified position into the water sample pretreatment module. In this way, the water source at the specified position can be pumped by the water pump and transported to the water sample pretreatment module, and then the pH value, oxygen content dissolved in water, and turbidity of the water source are detected by the electrode sensor. Then, the water source that has passed through the water sample pretreatment module is transported to the intelligent instrument, and the outdoor water quality detection work is completed in the intelligent instrument such as the chemical oxygen demand. Finally, the router is used to receive and send information outdoors for this solar micro water quality monitoring station, so as to achieve real-time monitoring. The overall structure of the present utility model is simple. All devices except the water pump are concentrated on a cabinet, reducing the floor area and well controlling the overall weight, which can well control the transportation cost. Description of the Drawings

[0017] Figure 1 is a three-dimensional schematic diagram of the present utility model;

[0018] Figure 2 is a front view of the present utility model;

[0019] Figure 3 is a side view of the present utility model.

[0020] In the figure: 1 - photovoltaic panel; 2 - photovoltaic panel support; 3 - eye bolt; 4 - louver; 5 - cabinet; 6 - fixed seat cover plate; 7 - camera support; 8 - camera; 9 - sealed waterproof joint; 10 - fixed seat; 11 - heat insulation cotton; 12 - solar controller; 13 - small door; 14 - intelligent instrument; 15 - middle door; 16 - small refrigerator; 17 - battery; 18 - waste liquid barrel; 19 - water sample pretreatment module; 20 - socket; 21 - inverter; 22 - second-layer fixed plate; 23 - first-layer fixed plate; 24 - water sample pretreatment module support. Detailed Embodiments

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the present invention will be briefly introduced below in combination with the accompanying drawings and the description of the embodiments or the prior art. Obviously, the following descriptions of the structures of the accompanying drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other accompanying drawings can be obtained based on these drawings without creative efforts. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but do not constitute a limitation to the present invention. Regarding the connection relationships involved, according to the actual situation, they can be direct connections or gap connections achieved by means of other devices.

[0022] Embodiment:

[0023] As Figures 1 - 3 shown, this embodiment provides a solar micro water quality monitoring station, including a photovoltaic panel 1, a cabinet 5, a solar controller 12, an intelligent meter 14, a storage battery 17, a water pump, a router, an electrode sensor, and a water sample pretreatment module 19. The photovoltaic panel 1 is inclined and installed on the top of the cabinet 5, which can prevent foreign objects such as rainwater, leaves, and dust from falling on the photovoltaic panel 1 and covering the sunlight, affecting the light conversion efficiency; the solar controller 12, the intelligent meter 14, the storage battery 17, and the water sample pretreatment module 19 are all installed in the cabinet 5, the water pump is installed outside the cabinet 5, the water outlet of the water pump is connected to the water sample pretreatment module 19 through a water pipe, and the electrode sensor is installed in the water sample pretreatment module 19. In this way, the water pump can be used to extract the water source at a specified position, transport the water source to the water sample pretreatment module 19, and then use the electrode sensor to detect the pH value, the oxygen content dissolved in the water, and the turbidity of the water, etc. An appropriate electrode sensor can be selected according to needs; a peristaltic pump is provided in the intelligent meter 14, and the water inlet of the peristaltic pump is connected to the water outlet of the water sample pretreatment module 19 through a water pipe. In this way, the water source that has passed through the water sample pretreatment module 19 can be transported to the intelligent meter 14 again, and the chemical oxygen demand of the water source can be measured in the intelligent meter 14, etc.; the solar controller 12 is electrically connected to the photovoltaic panel 1, the intelligent meter 14, the storage battery 17, the water pump, the router, the electrode sensor, and the water sample pretreatment module 19. The photovoltaic panel 1 converts solar energy into electrical energy, stores it in the storage battery 17 through the solar controller 12, and when electricity is needed, the storage battery 17 discharges through the solar controller 12 and then transports it to other electronic devices. The router facilitates the reception and transmission of information of this solar micro water quality monitoring station outdoors, so as to achieve real-time monitoring.

[0024] The present utility model inclines and installs the photovoltaic panel 1 on the top of the cabinet 5, which can prevent foreign objects such as rainwater, leaves, and dust from falling onto the photovoltaic panel 1 and blocking sunlight, thus affecting the light conversion efficiency. On the other hand, it reduces the direct sunlight exposure of the equipment, avoids the overheating of the equipment inside, affects the operation of the equipment, and reduces the exposure to wind and rain, improving the service life of the equipment; and the photovoltaic panel 1 converts solar energy into electrical energy and stores it in the storage battery 17 through the solar controller 12, which can supply the power consumption needs of all electronic devices in the cabinet 5, so as to achieve self-sufficiency in power consumption outdoors, work normally in continuous rainy days, and also save the cost of connecting lines; in practice, when conducting water quality detection, the water pump is controlled to pump the water source at a specified position into the water sample pretreatment module 19. In this way, the water source at the specified position can be pumped by the water pump and transported to the water sample pretreatment module 19, and then the electrode sensor is used to detect the pH value, the oxygen content dissolved in the water, and the turbidity of the water source, etc. Then, the water source that has passed through the water sample pretreatment module 19 is transported to the intelligent instrument 14, and the outdoor water quality detection work is completed in the intelligent instrument 14 such as the chemical oxygen demand. Finally, the solar micro water quality monitoring station receives and sends information outdoors through the router to facilitate real-time monitoring. The overall structure of the present utility model is simple. All devices except the water pump are concentrated on a cabinet 5, reducing the floor area and well controlling the overall weight, which can well control the transportation cost.

[0025] As a preferred implementation in this embodiment, it should be further explained that a photovoltaic panel support 2 is installed at the upper end of the cabinet 5, and the photovoltaic panel 1 is installed on the photovoltaic panel support 2; four installation holes are opened at the upper end of the cabinet 5, and the four installation holes are arranged in a square. The lower end of the photovoltaic panel support 2 is fitted and installed in the four installation holes. In this way, the four sides of the four installation holes are equal, enabling the photovoltaic panel 1 to be installed facing the four directions of east, south, west, and north, and adjusting the direction of the photovoltaic panel 1 according to the installation position of the on-site cabinet 5 to increase the solar illumination time; the photovoltaic panel 1 is electrically connected to the solar controller 12 through a wire, the wire penetrates the cabinet 5, and a sealed waterproof joint 9 is installed at the connection between the wire and the cabinet 5 to prevent water from entering the inside of the cabinet 5.

[0026] As a preferred implementation in this embodiment, it should be further explained that a camera 8 capable of rotating 360 degrees is arranged below the photovoltaic panel 1. The camera 8 is installed at the upper end of the cabinet 5 through a camera support 7, and can be installed on the left or right side of the top of the cabinet 5, or the position can be adjusted according to the installation situation of the on-site cabinet 5 to facilitate remote observation of the on-site situation; the camera 8 is electrically connected to the solar controller 12 to ensure power supply and information transmission.

[0027] As a preferred implementation in this embodiment, it should be further noted that a first-layer fixing plate 23 and a second-layer fixing plate 22 are installed in the middle of the cabinet 5, dividing the internal space of the cabinet 5 into several layers. The second-layer fixing plate 22 is located above the first-layer fixing plate 23. The battery 17 and the water sample pretreatment module 19 are both installed on the first-layer fixing plate 23, and the intelligent meter 14 is installed on the second-layer fixing plate 22, so as to achieve a reasonable layout of each device according to the actual situation and reduce the overall occupied area.

[0028] As a preferred implementation in this embodiment, it should be further noted that an avoidance opening is formed on the surface of the first-layer fixing plate 23 facing the cabinet door of the cabinet 5, and slide rails extending in the inner and outer directions of the cabinet 5 are installed on both sides of the first-layer fixing plate 23 on both sides of the avoidance opening; the water sample pretreatment module 19 is installed on the water sample pretreatment module bracket 24, and sliders are installed on both sides of the water sample pretreatment module bracket 24, and the sliders on both sides of the water sample pretreatment module bracket 24 are respectively slidably connected to the two slide rails. In this way, by sliding the water sample pretreatment module bracket 24 on the slide rails, the water sample pretreatment module 19 can be slid in the inner and outer directions of the cabinet 5. For example, usually the water sample pretreatment module 19 is located inside. When performing water quality detection, the water sample pretreatment module 19 can be slid outwards to a certain extent, which makes the operation simpler and also facilitates the installation and maintenance of the electrode sensor.

[0029] As a preferred implementation in this embodiment, it should be further noted that a positioning plate extending towards the inside of the cabinet 5 is provided on the water sample pretreatment module bracket 24, and a positioning bolt is threadedly connected to the first-layer fixing plate 23. The lower end of the positioning bolt passes through the first-layer fixing plate 23 and abuts against the positioning plate. When detection is not required, the water sample pretreatment module bracket 24 is slid towards the inside of the cabinet 5, and then the positioning plate can be locked by using the positioning bolt, so as to ensure the stability of the water sample pretreatment module bracket 24, and further ensure the stability of the water sample pretreatment module 19, and also make it more stable during transportation.

[0030] As a preferred implementation in this embodiment, it should be further noted that an upper installation cavity is formed by the cooperation between the second-layer fixed plate 22 and the inner top surface of the cabinet 5. The intelligent instrument 14 is located on one side of the upper installation cavity. A small door 13 installed on the cabinet 5 is provided between the intelligent instrument 14 and the other side of the upper installation cavity. The solar controller 12 is installed on the small door 13, facing outward. When the small door 13 is closed, the data such as the photovoltaic panel 1, the storage battery 17, and the power consumption of the equipment displayed on the solar controller 12 can be clearly seen; on the other side of the upper installation cavity corresponding to the small door 13, a small refrigerator 16, an inverter 21, and a socket strip 20 are installed to achieve a reasonable layout of the electronic devices and minimize the floor area as much as possible. Reagents required for the functional instrument to detect water quality can be stored in the small refrigerator 16, which is convenient for detection by chemical methods during water measurement. The inverter 21 is electrically connected to the solar controller 12. The intelligent instrument 14, the router, and the small refrigerator 16 are all connected to the inverter 21 through the socket strip 20 to ensure the power supply of electrical components that require alternating current.

[0031] As a preferred implementation in this embodiment, it should be further noted that a louver 4 is provided on the cabinet 5 on one side of the upper installation cavity, and a louver 4 aligned with the storage battery 17 is also installed on the cabinet 5 on the other side of the upper installation cavity. Thus, ventilation inside and outside the cabinet 5 can be achieved by using the two louvers 4, which is convenient for heat dissipation. Here, it should be noted that the second-layer fixed plate 22 does not completely isolate the upper and lower parts. In practice, there are air flow gaps reserved. Fine meshes are installed in all the louvers 4 and the openings face downward to prevent rainwater from entering; a heat insulation cotton 11 is installed on the inner wall of the cabinet 5, and a ventilation opening is provided at the position of the heat insulation cotton 11 corresponding to the louver 4, which does not affect ventilation and heat dissipation. At the same time, the heat insulation cotton 11 can play a heat insulation role to prevent the temperature inside the cabinet 5 from being too high.

[0032] As a preferred implementation in this embodiment, it should be further noted that a lower installation cavity is formed between the first-layer fixed plate 23 and the inner bottom surface of the cabinet 5. A middle door 15 is installed at the lower installation cavity; a pure water bucket and a waste liquid bucket 18 are installed in the lower installation cavity. The pure water bucket is connected to the water inlet of the peristaltic pump through a water pipe, and the water outlet of the intelligent instrument 14 is connected to the waste liquid bucket 18 through a water pipe, so that the detected wastewater can be discharged into the waste liquid bucket 18, and the pure water bucket is convenient for use as needed during water quality detection.

[0033] It should be noted that preferably, there are water sample inlet and outlet holes at the bottom of the cabinet 5, and there is a drain hole below the water sample pretreatment module 19 to prevent internal water accumulation in case of leakage.

[0034] As a preferred implementation in this embodiment, it should be further noted that a lifting eye bolt 3 is installed on the top of the cabinet 5, which can lift the entire device; a fixing base 10 is installed at the bottom of the cabinet 5, and a forklift opening is provided on the fixing base 10, through which a forklift can be used to transfer the device to the cabinet 5. A fixing base cover plate 6 is connected by bolts at the forklift opening to prevent foreign objects from entering when the forklift opening is not in use.

[0035] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A solar-powered micro water quality monitoring station, characterized in that: The invention comprises a photovoltaic panel (1), a cabinet (5), a solar controller (12), an intelligent meter (14), a storage battery (17), a water pump, a router, an electrode sensor and a water sample pretreatment module (19). The photovoltaic panel (1) is tilted and installed on the top of the cabinet (5); the solar controller (12), the intelligent meter (14), the storage battery (17) and the water sample pretreatment module (19) are all installed in the cabinet (5); the water pump is installed outside the cabinet (5); the water outlet of the water pump is connected to the water sample pretreatment module (19) through a water pipe; the electrode sensor is installed in the water sample pretreatment module (19); a peristaltic pump is arranged in the intelligent meter (14); the water inlet of the peristaltic pump is connected to the water outlet of the water sample pretreatment module (19) through a water pipe; the solar controller (12) is electrically connected to the photovoltaic panel (1), the intelligent meter (14), the storage battery (17), the water pump, the electrode sensor and the water sample pretreatment module (19).

2. A solar-powered micro water quality monitoring station according to claim 1, characterized in that: A photovoltaic panel bracket (2) is installed at the upper end of the cabinet (5), and the photovoltaic panel (1) is installed on the photovoltaic panel bracket (2); four mounting holes are opened at the upper end of the cabinet (5), and the four mounting holes are arranged in a square shape, and the lower end of the photovoltaic panel bracket (2) is matched and installed in the four mounting holes; the photovoltaic panel (1) is electrically connected to the solar controller (12) through a wire, and the wire runs through the cabinet (5), and a sealed waterproof joint (9) is installed at the connection between the wire and the cabinet (5).

3. A solar-powered micro water quality monitoring station according to claim 1, characterized in that: A camera (8) capable of rotating 360 degrees is arranged below the photovoltaic panel (1); the camera (8) is mounted on the upper end of the cabinet (5) via a camera bracket (7); and the camera (8) is electrically connected to a solar controller (12).

4. A solar-powered micro water quality monitoring station according to claim 1, characterized in that: The cabinet (5) is provided with a first-layer fixing plate (23) and a second-layer fixing plate (22) located in the middle thereof, the second-layer fixing plate (22) is located above the first-layer fixing plate (23), the storage battery (17) and the water sample pretreatment module (19) are both installed on the first-layer fixing plate (23), and the intelligent meter (14) is installed on the second-layer fixing plate (22).

5. A solar-powered micro water quality monitoring station according to claim 4, characterized in that: The first-layer fixing plate (23) is provided with an escape opening on one side facing the cabinet door (5), and the first-layer fixing plates (23) on both sides of the escape opening are both provided with slide rails extending in the inside and outside directions of the cabinet (5); the water sample pretreatment module (19) is installed on the water sample pretreatment module bracket (24), and slide rails are installed on both sides of the water sample pretreatment module bracket (24), and the slide rails on both sides of the water sample pretreatment module bracket (24) are respectively slidably connected to the two slide rails.

6. A solar-powered micro water quality monitoring station according to claim 5, characterized in that: The water sample pretreatment module bracket (24) is provided with a positioning plate extending toward the interior of the cabinet (5), a fixing plate (23) is threadedly connected with a positioning bolt, and the lower end of the positioning bolt passes through the fixing plate (23) and abuts against the positioning plate.

7. A solar-powered micro water quality monitoring station according to any one of claims 4 to 6, characterized in that: The second-layer fixing plate (22) cooperates with the inner top surface of the cabinet (5) to form an upper installation cavity, the smart meter (14) is located on one side of the upper installation cavity, a small door (13) installed on the cabinet (5) is arranged between the smart meter (14) and the other side of the upper installation cavity, and the solar controller (12) is installed on the small door (13); a small refrigerator (16), an inverter (21) and a socket strip (20) are installed on the other side of the upper installation cavity corresponding to the small door (13), the inverter (21) is electrically connected to the solar controller (12), and the smart meter (14), the router and the small refrigerator (16) are all connected to the inverter (21) via the socket strip (20).

8. A solar-powered micro water quality monitoring station according to claim 7, characterized in that: The cabinet (5) on one side of the upper installation cavity is provided with a shutter (4), and the cabinet (5) on the other side of the upper installation cavity is also provided with a shutter (4) arranged in alignment with the storage battery (17), and all the shutters (4) are provided with fine meshes and their openings are arranged downward; and heat insulation cotton (11) is installed on the inner wall of the cabinet (5), and ventilation holes are provided at the heat insulation cotton (11) corresponding to the shutters (4).

9. A solar-powered micro water quality monitoring station according to claim 7, characterized in that: A lower installation cavity is formed between the first fixing plate (23) and the inner bottom surface of the cabinet (5), and a middle door (15) is installed at the lower installation cavity; a pure water bucket and a waste liquid bucket (18) are installed in the lower installation cavity, and the pure water bucket is connected to the water inlet of the peristaltic pump through a water pipe, and the water outlet of the intelligent meter (14) is connected to the waste liquid bucket (18) through the water pipe.

10. A solar-powered micro water quality monitoring station according to any one of claims 1-6, characterized in that: The top of the cabinet (5) is provided with a lifting eye bolt (3); the bottom of the cabinet (5) is provided with a fixing seat (10), a forklift opening is provided on the fixing seat (10), and the fixing seat cover plate (6) is connected to the forklift opening by bolts.

Images