CN206737026U - Pumping plant Double falling-prevention system - Google Patents

Abstract

A double anti-fall system for pumping stations, which relates to the field of pumping stations, including a pumping station cylinder, which is provided with a water inlet and a water outlet, and a climbing ladder, a submersible pump, and a pressure gauge connected to the submersible pump are installed in the pumping station cylinder. The pipeline and the upper end of the cylinder of the pumping station are provided with an inspection port, which is characterized in that: a first anti-drop platform is installed at the inner lower part of the inspection port, and a second anti-falling platform is fixed at the middle of the inner side of the pumping station casing. If the cover plate on the top is damaged, the first anti-drop platform can play a protective role to prevent people from falling. In the middle part of the pumping station cylinder, there is also a second anti-drop platform, which can protect people and objects falling from the top of the pumping station cylinder after the failure of the first anti-fall platform. On the one hand, it can also prevent large debris from falling to the bottom of the pump station cylinder and damage the water pump. In addition, the second anti-drop platform can be used as an inspection platform for equipment routine maintenance and an operation platform for downhole maintenance personnel.

Description

Pump station double anti-fall system

technical field

The utility model relates to the field of machinery, in particular to a pumping station, in particular to a double anti-falling system for the pumping station.

Background technique

The pumping stations are all installed underground, and manhole covers are installed at the inspection ports on the top of the pumping stations. Personnel can stay or walk over the manhole covers for a short time. Serious problems with breakage occur. Firstly, the personnel on the pump cover fall into the pump station, which poses a serious threat to the safety of personnel. Secondly, there are a large number of equipment installed in the pump station, and personnel or objects falling will cause equipment damage.

Contents of the invention

The utility model aims to solve the above-mentioned defects of the prior art, and provides a double anti-fall system for pumping stations. By setting the first anti-fall platform and the second anti-fall platform, the dangerous situation of people or objects falling after the manhole cover is damaged can be prevented.

In order to achieve the above purpose, the utility model provides a double anti-fall system for a pumping station, which includes a pumping station cylinder, which is provided with a water inlet and a water outlet, and a climbing ladder, a submersible pump and It is connected to the pressure pipeline of the submersible pump, and the upper end of the cylinder of the pump station is provided with an inspection port. Anti-fall platform.

An annular support platform is arranged on the inner wall of the inspection port, and the surroundings of the first anti-drop platform are fixed on the support platform.

The first anti-drop platform is a grid plate. The situation in the pumping station can be observed through the grid plate without opening the first anti-drop platform, which is convenient to use, light in weight and easy to disassemble.

The second anti-drop platform includes a support horizontal frame and a grid plate, the support horizontal frame is horizontally fixed in the middle of the inner side of the pump station cylinder, and the grid plate is horizontally fixed on the upper side of the support horizontal frame.

The grid plate includes a flat grid plate and an overturned grid plate. The flat grid plate is laid on the upper side of the support horizontal frame, and the overturned grid plate is horizontally arranged on the support horizontal frame, and one end of the overturned grid plate is connected to the horizontal frame. The supporting horizontal frame is rotatably connected, and the climbing ladder passes down through the second anti-falling platform from one side of the overturned grid plate.

There is a crushing grid on the inner side of the water inlet, and the crushing grid is located on the lower side of the second anti-drop platform. The grille inspection port is located directly above the grille lifting guide rail, and the inside of the crushed grille inspection port is provided with a grille inspection anti-falling platform.

A through hole corresponding to the crushing grid is opened on the second anti-drop platform, and a protective fence is provided around the through hole.

The cylinder of the pumping station is a prefabricated cylinder of glass fiber reinforced plastics.

A glass fiber reinforced plastic cylinder bottom is fixed at the inner lower part of the cylinder of the pumping station, and the bottom of the glass steel cylinder is spaced apart from the lower end of the cylinder of the pumping station, and the submersible pump is fixed on the bottom of the fiberglass cylinder.

The beneficial effects of the utility model are: the utility model adopts a novel design. Firstly, the utility model places the first anti-falling platform on the top of the cylinder body of the pump station. A fall prevention platform can play a protective role to prevent people from falling. In the middle part of the pumping station cylinder, there is also a second anti-drop platform, which can protect people and objects falling from the top of the pumping station cylinder after the failure of the first anti-fall platform. On the one hand, it can also prevent large debris from falling to the bottom of the pump station cylinder and damage the water pump. In addition, the second anti-drop platform can be used as an inspection platform for equipment routine maintenance and an operation platform for downhole maintenance personnel.

Description of drawings

Fig. 1 is a front view of a specific embodiment of the present invention.

Fig. 2 is a top view of the utility model.

Fig. 3 is a cross-sectional view at A-A in Fig. 1 .

Fig. 4 is a cross-sectional view at B-B in Fig. 2 .

FIG. 5 is a partially enlarged view at point C in FIG. 3 .

Fig. 6 is a perspective structural view of the utility model.

FIG. 7 is a partially enlarged view at point D in FIG. 6 .

Among them: 1-Cylinder body of pump station 1 2-Water inlet 2 3-Water outlet 3 4-Inspection port 4 5-Grille inspection cover 5 6-Crushing grille inspection port 6 7-First anti-drop platform 7 8- Anti-drop platform for grid inspection 8 9-support platform 9 10-grid lifting guide rail 1011-second anti-fall platform 11 12-support horizontal frame 12 13-protective fence 13 14-through hole 14 15-crushing grid 15 16- FRP cylinder bottom 16 17-flat grating 17 18-turning grating 18 19-climbing ladder 19 20-pressure pipe 20 21-buffer tank 2122-submersible pump 22 23-flushing pipe 23.

detailed description

Example 1

Referring to Fig. 1, the double anti-fall system of the pumping station includes a pumping station cylinder 1, which is provided with a water inlet 2 and a water outlet 3, and the upper end of the pumping station cylinder 1 is provided with an inspection port 4 and a crushing grid for maintenance. Port 6 is provided with a cover plate (not drawn) on the upper side of the inspection port 4, and a grille inspection cover plate 5 is provided on the crushed grid inspection port 6 upper side.

Referring to Figures 2 to 5, a first anti-drop platform 7 is installed at the inner lower part of the inspection port 4, and a second anti-drop platform 11 is fixed at the inner middle of the pump station cylinder 1. An annular support platform 9 is provided on the inner wall of the inspection port 4, and the surroundings of the first anti-drop platform 7 are fixed on the support platform 9. The first anti-drop platform 7 is a grid plate. The situation in the pumping station can be observed through the grid plate without opening the first anti-drop platform 7, which is convenient to use, light in weight and easy to disassemble.

The second anti-drop platform 11 includes a support horizontal frame 12, a tiling grid plate 17 and an overturning grid plate 18. The support horizontal frame 12 is horizontally fixed on the inner middle of the pumping station cylinder 1, and the tiling grid plate 17 is flatly laid on the support On the upper side of the horizontal frame 12, the flipped grid plate 18 is horizontally arranged on the supporting horizontal frame 12, and one end of the flipped grille plate 18 is connected to the supporting horizontal frame 12 in rotation, and after rotating the flipped grille plate 18, it can smoothly enter the second anti-falling platform Below 11, equipments such as submersible pump 22 are overhauled.

A crushing grid 15 is provided inside the water inlet 2, and the crushing grid 15 is located on the lower side of the second anti-fall platform 11. The pump station cylinder 1 is provided with a grid lifting guide rail 10 for lifting and lowering the crushing grid 15. The grid inspection port 6 is located directly above the grid lifting guide rail 10, and the inside of the crushed grid inspection port 6 is provided with a grid inspection anti-falling platform 8. The second anti-drop platform 11 is provided with a through hole 14 corresponding to the crushing grid 15 to facilitate the lifting of the crushing grid 15 , and a protective fence 13 is provided around the through hole 14 .

The cylinder body 1 of the pumping station is a prefabricated cylinder body made of glass fiber reinforced plastic. A fiberglass cylinder bottom 16 is fixed on the inner lower part of the cylinder body 1 of the pumping station. superior. The traditional concrete pumping station adopts concrete structure, which has a long civil construction period, a large area and high cost. In addition, the pipelines and valves in the pumping station need to be fabricated and installed on site, resulting in a long installation period and high cost. The utility model adopts a glass fiber reinforced plastic prefabricated cylinder body, each component is installed in the glass fiber reinforced plastic prefabricated cylinder body, and the assembly is completed in the factory. After arriving at the site, it is only necessary to excavate the foundation pit and bury the equipment in the soil layer, and the construction period and cost are greatly reduced.

Referring to FIG. 6 , the climbing ladder 19 passes down through the second anti-fall platform 11 from one side of the overturned grille plate 18 . The submersible pump 22 is connected to the water outlet 3 through the pressure pipe 20 .

Referring to Fig. 7, a buffer tank 21 is provided in the middle of the glass fiber reinforced plastic cylinder bottom 16, the submersible pump 22 is fixed directly above the buffer tank 21, and the glass fiber reinforced plastic cylinder bottom 16 on both sides of the buffer tank 21 is inclined, so that the glass fiber reinforced plastic cylinder bottom 16 The impurities and silt will be collected in the buffer tank 21. When the submersible pump 22 starts, a suction flow will be generated directly below the submersible pump 22. The suction flow will suck the sludge buffered in the buffer tank 21 into the pump, and then the sewage Mud and sewage are discharged to the outside of the pumping station by the submersible pump 22, so relying on the structure of the buffer tank 21, the self-cleaning function inside the pumping station is realized. Three submersible pumps 22 are installed inside the cylinder body 1 of the pumping station, and the buffer tank 21 is arranged in a rectangular shape along the arrangement direction of the three submersible pumps 22 .

A flushing pipe 23 is connected to the pressure pipe 20 , and the lower end of the flushing pipe 23 faces the buffer tank 21 . When the submersible pump 22 starts, the submersible pump 22 will deliver high-pressure water to the inside of the pressure pipe 20, and the flushing pipe 23 will lead a small part of the high-pressure water inside the pressure pipe 20 to flush the buffer tank 21 of the pump station, and rely on the flushing pipe 23 to spray out The high-pressure water flow can stir up the sundries and silt in the buffer tank 21, so that the suction water flow produced by the submersible pump 22 can take away the sundries and silt more easily.

Three submersible pumps 22 operate alternately to discharge the sewage in the shaft. The cylinder body 1 of the pumping station is provided with an ultra-high liquid level detection unit, a high liquid level detection unit, a medium liquid level detection unit, a low liquid level detection unit and an ultra-low liquid level detection unit, and each submersible pump 22 also has an alarm unit. The control device controls the operation of the submersible pump 22 and outputs the operation signal, stops at low liquid level, operates a single submersible pump 22 at medium liquid level, and simultaneously operates multiple submersible pumps 22 at high liquid level and super high liquid level, and sends out an alarm signal through the alarm unit .

The utility model first places the first anti-fall platform 7 on the top of the cylinder body 1 of the pumping station. When personnel stay on the top of the cylinder for a short time, if the cover plate on the top is damaged, the first anti-fall platform 7 can protect the personnel from falling. . In the middle part of the pumping station cylinder body 1, there is also a second anti-drop platform 11, which can protect people and objects falling from the top of the pumping station cylinder body 1 after the first anti-fall platform 7 fails. Safety, on the other hand, can also prevent large sundries from falling to the bottom of the cylinder body 1 of the pumping station to damage the water pump. In addition, the second anti-falling platform 11 can be used as an overhaul platform during routine maintenance of equipment, and an operating platform for downhole maintenance personnel.

The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the utility model without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the prior art should be within the scope of protection defined by the claims .

Claims (9)

1. A double anti-fall system for a pump station, including a pump station shell, which is provided with a water inlet and a water outlet, and a ladder, a submersible pump, and a pressure pipeline connected to the submersible pump are installed in the pump station shell, and the pump The upper end of the cylinder body of the pumping station is provided with an inspection port, which is characterized in that: a first anti-drop platform is installed at the inner lower part of the inspection port, and a second anti-drop platform is fixed at the middle part of the inner side of the pump station body. 2. The double anti-fall system of the pumping station according to claim 1, characterized in that: an annular support platform is provided on the inner wall of the inspection port, and the surroundings of the first anti-fall platform are fixed on the support platform. 3. The double anti-fall system of the pumping station according to claim 1 or 2, characterized in that: the first anti-fall platform is a grid plate. 4. The double anti-fall system of the pumping station according to claim 1, characterized in that: the second anti-falling platform includes a support horizontal frame and a grid plate, and the support horizontal frame is horizontally fixed in the middle part of the inner side of the cylinder body of the pump station, and the grid plate The grid plate is horizontally fixed on the upper side of the support cross frame. 5. The double anti-fall system of the pumping station according to claim 4, wherein the grid plate includes a flat grid plate and an overturned grid plate, and the flat grid plate is laid on the upper side of the support horizontal frame The overturned grid plate is horizontally arranged on the support horizontal frame, and one end of the overturned grid plate is rotatably connected with the support horizontal frame, and the ladder passes down through the second anti-falling platform from one side of the overturned grid plate. 6. The double anti-fall system of the pumping station according to claim 1, characterized in that: a crushing grid is provided on the inside of the water inlet, and the crushing grille is located on the lower side of the second anti-falling platform. There is a grid lifting guide rail, and the upper end of the cylinder is provided with a crushing grid inspection port. The crushing grille inspection port is located directly above the grille lifting guide rail, and the crushing grid inspection port is provided with a grid inspection anti-falling platform. 7. The double anti-fall system of the pumping station according to claim 6, characterized in that: the second anti-fall platform is provided with a through hole corresponding to the crushing grid, and a protective fence is provided around the through hole. 8. The double anti-fall system of the pumping station according to claim 1, characterized in that: the cylinder of the pumping station is a prefabricated cylinder made of glass fiber reinforced plastic. 9. The double anti-drop system of the pumping station according to claim 8, characterized in that: a glass fiber reinforced plastic cylinder bottom is fixed on the inner lower part of the pumping station cylinder, the glass fiber reinforced plastic cylinder bottom and the lower end of the pumping station cylinder are arranged at intervals, and the submersible pump Fixed on the bottom of the glass steel cylinder.