Vertical shaft construction platform of pumped storage power station

Abstract

The utility model belongs to the technical field of construction platforms, and particularly relates to a pumped storage power station vertical shaft construction platform which comprises a rack, a winch mechanism and a construction hanging scaffold, the rack is installed on the upper portion of a vertical shaft, a steel cable is wound on the winch mechanism, one end of the steel cable penetrates through the rack to be connected with the construction hanging scaffold, and four connecting plates are fixedly installed on the lower portion of the rack. An annular sleeve is fixedly connected to the connecting plates, the lower end of the annular sleeve is clamped into an opening in the upper portion of the vertical shaft, a protective cover is hinged to the top of the annular sleeve, a transverse plate is fixedly installed between every two adjacent connecting plates, a hydraulic rod is rotationally connected to the transverse plate, and the piston end of the hydraulic rod is rotationally connected with the protective cover. When a person enters the vertical shaft for construction or does not conduct construction on the vertical shaft, the person can start the hydraulic rod to drive the protective cover to cover the opening in the upper portion of the annular sleeve, so that the opening in the upper portion of the vertical shaft is covered, the person or sundries and the like can be prevented from accidentally falling into the vertical shaft, and the use safety of the construction platform is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to construction platform technical field especially relates to a vertical shaft construction platform of pumped storage power station. BACKGROUND

[0002] The vertical shaft of the hydropower station is an important part of the hydropower station, and the vertical shaft can be used as a water diversion channel to guide the water from the upstream to the water turbine or turbine generator set. Through the vertical shaft, water can flow from high to low, forming a certain water head difference, which is used to drive the water turbine to rotate, thereby generating electric energy; when the water turbine generates more heat during operation, the vertical shaft can be used as part of the cooling system to reduce the temperature of the water turbine and the power generation equipment by introducing cooling water, so as to ensure its efficient operation; during the power generation process of the hydropower station, a certain amount of wastewater will be generated, and the vertical shaft can be used as a wastewater discharge channel to discharge the wastewater from the hydropower station to the downstream or other treatment facilities, so as to reduce the impact on the environment; and the water level can be adjusted, and by controlling the opening and closing degree of the vertical shaft, the water quantity introduced into the water turbine can be adjusted, so as to control the power generation capacity and water level of the hydropower station.

[0003] In the existing vertical shaft construction, a lifting construction platform is often used to assist construction. According to the vertical shaft construction platform of the pumped storage power station disclosed in the publication number CN219060829U, the above-mentioned vertical shaft construction platform cannot effectively protect the vertical shaft during construction or non-construction, and personnel or sundries are easy to fall into the vertical shaft, which has a safety hazard. At the same time, the above-mentioned construction platform lacks protection for the vertical shaft opening, and personnel stepping or equipment touching can easily cause the opening to crack.

[0004] The utility model discloses a vertical shaft construction platform of pumped storage power station solves the above problems. Utility model content

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A vertical shaft construction platform of pumped storage power station, it includes the gantry, winch mechanism and construction hanging disc, the gantry is installed on the upper part of the vertical shaft, the winch mechanism is wound with the steel cable, the steel cable one end passes through the gantry and is connected with the construction hanging disc, the lower part of the gantry is fixedly installed with four connecting plates, the connecting plate is fixedly connected with the annular sleeve, the annular sleeve lower end is clamped into the vertical shaft upper opening, the top of the annular sleeve is hinged with the protective cover, two adjacent connecting plates are fixedly installed with the horizontal plate between, the horizontal plate is rotatably connected with the hydraulic rod, and the piston end of the hydraulic rod is rotatably connected with the protective cover.

[0007] As a preferred scheme, the protective cover is provided with an open slot.

[0008] As a preferred scheme, the outer wall of the lower end of the annular sleeve is fixedly connected with a retaining ring.

[0009] As a preferred scheme, the gantry comprises four vertical columns arranged in a square around the shaft, the connecting plates are fixedly connected with the vertical columns, the top beams and the middle beams are fixedly connected between the two adjacent vertical columns respectively, and the top beams are located at the top of the vertical columns.

[0010] As a preferred scheme, the fixed plates are fixedly installed between any two opposite top beams, the supports are fixedly installed at the bottom of the fixed plates, the guide wheels are rotatably installed at the lower end of the supports, and the steel cable passes through the guide wheels.

[0011] As a preferred scheme, the winch mechanism comprises a support, two vertical plates are fixedly installed on the support, a winch is rotatably connected between the two vertical plates, the steel cable is wound on the winch, a motor is fixedly installed on one of the vertical plates, and the output shaft of the motor is connected with the winch.

[0012] As a preferred scheme, the construction platform comprises a bottom tray and a top plate, the top surface of the top plate is fixedly connected with a hook seat, one end of the steel cable is hooked with the hook seat, and a plurality of connecting columns are connected between the bottom tray and the top plate.

[0013] As a preferred scheme, the guardrail is arranged around the upper end of the bottom tray and is located outside the connecting columns, and a door body is hingedly connected to the guardrail.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. When personnel enter the shaft for construction or the shaft is not constructed, the personnel can start the hydraulic rod to cover the upper opening of the annular sleeve with the protective cover, thereby covering the upper opening of the shaft, preventing personnel or sundries from accidentally falling into the shaft, and improving the use safety of the construction platform.

[0016] 2. The annular sleeve can improve the protection function of the shaft wall at the opening of the shaft, prevent the edge of the upper opening of the shaft from being cracked due to the stepping of personnel or the touching of equipment, and provide the anti-deviation ability for the lower end of the gantry connected with the annular sleeve, thereby improving the overall strength and stability of the gantry. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic view of the utility model.

[0018] Figure 2 is a front schematic view of the utility model.

[0019] Figure 3 is a schematic view of the protective cover of the utility model.

[0020] Label name in the figure: 1, rack; 2, winch mechanism; 3, construction hoist plate; 4, steel cable; 5, fixed plate; 6, support; 7, guide wheel; 8, connecting plate; 9, annular sleeve; 10, protective cover; 11, cross plate; 12, hydraulic rod; 13, open slot; 14, blocking ring; 15, stand; 16, top beam; 17, middle beam; 18, support; 19, vertical plate; 20, capstan; 21, motor; 22, bottom tray; 23, top plate; 24, hook seat; 25, connecting column; 26, guardrail; 27, door body. DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model are described in further detail below in combination with the drawings and examples. The following examples or drawings are used to illustrate the utility model, but not to limit the scope of the utility model.

[0022] A pumped storage power station vertical shaft construction platform, as shown in Figures 1 to 3 Fig. 1, comprises a rack 1, a winch mechanism 2 and a construction hoist plate 3, the rack 1 is installed on the upper part of the vertical shaft, the steel cable 4 is wound on the winch mechanism 2, one end of the steel cable 4 passes through the rack 1 and is connected with the construction hoist plate 3, four connecting plates 8 are fixedly installed on the lower part of the rack 1, the annular sleeve 9 is fixedly connected on the connecting plate 8, the lower end of the annular sleeve 9 is clamped into the opening above the vertical shaft, the protective cover 10 is hinged on the top of the annular sleeve 9, two adjacent connecting plates 8 are fixedly installed with the cross plate 11, the hydraulic rod 12 is rotatably connected on the cross plate 11, the piston end of the hydraulic rod 12 is rotatably connected with the protective cover 10.

[0023] The steel cable 4 is wound or released by the winch mechanism 2, thereby driving the construction hoist plate 3 to ascend or descend, so that the personnel can construct inside the pumped storage power station vertical shaft on the construction hoist plate 3.

[0024] When the personnel enter the vertical shaft for construction or do not construct the vertical shaft, the personnel can start the hydraulic rod 12 to drive the protective cover 10 to cover the upper opening of the annular sleeve 9, thereby covering the opening above the vertical shaft, which can prevent the personnel or sundries from accidentally falling into the vertical shaft, and improve the use safety of the construction platform.

[0025] The annular sleeve 9 can improve the protection function of the shaft wall at the opening of the vertical shaft, prevent the personnel from stepping or the equipment from touching to cause the edge of the opening above the vertical shaft to crack, and at the same time, since the annular sleeve 9 is clamped into the vertical shaft, the anti-deviation ability of the lower end of the rack 1 connected with the annular sleeve 9 is provided, thereby improving the overall strength and stability of the rack 1.

[0026] As shown in Figure 3As shown in the drawings, the protective cover 10 is provided with an opening slot 13, and one end of the steel cable 4 is connected with the construction scaffold 3 through the opening slot 13. After the protective cover 10 covers the shaft, the opening slot 13 keeps the inside of the shaft ventilated, prevents the protective cover 10 from interfering with the steel cable 4, and ensures the normal operation of the steel cable 4.

[0027] As shown in the drawings, Figure 1 As shown in the drawings, the outer wall of the lower end of the annular sleeve 9 is fixedly connected with a blocking ring 14, and the blocking ring 14 limits the depth of the annular sleeve 9 clamped into the shaft, and supports the annular sleeve 9.

[0028] As shown in the drawings, Figure 1 As shown in the drawings, the rack 1 includes four vertical columns 15 arranged in a square around the shaft, the connecting plate 8 is fixedly connected with the vertical columns 15, the top beams 16 and the middle beams 17 are fixedly connected between any two adjacent vertical columns 15, the top beams 16 are located at the top of the vertical columns 15, the fixed plates 5 are fixedly installed between any two opposite top beams 16, the supports 6 are fixedly installed at the bottom of the fixed plates 5, the guide wheels 7 are rotatably installed at the lower end of the supports 6, and the steel cable 4 passes through the guide wheels 7.

[0029] As shown in the drawings, Figure 1 As shown in the drawings, the winch mechanism 2 includes a support 18, two vertical plates 19 are fixedly installed on the support 18, a winch 20 is rotatably connected between the two vertical plates 19, the steel cable 4 is wound on the winch 20, the motor 21 is fixedly installed on one of the vertical plates 19, and the output shaft of the motor 21 is connected with the winch 20.

[0030] As shown in the drawings, Figure 1 As shown in the drawings, the construction scaffold 3 includes a bottom tray 22 and a top plate 23, the top surface of the top plate 23 is fixedly connected with a hook seat 24, one end of the steel cable 4 is hooked with the hook seat 24, a plurality of connecting columns 25 are connected between the bottom tray 22 and the top plate 23, a guardrail 26 is arranged around the upper end of the bottom tray 22, the guardrail 26 is located outside the connecting columns 25, and a door body 27 is hingedly connected with the guardrail 26. The guardrail 26 provides a protective effect, and the door body 27 facilitates personnel to enter the inside of the guardrail 26.

[0031] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification or equivalent change according to the technical essence of the present application falls within the protection scope of the present application.

Claims

1. A construction platform for a pumped storage power station shaft, characterised in that: Including gantry (1), winch mechanism (2) and construction hanging plate (3), the gantry (1) is installed on the upper part of the shaft, the winch mechanism (2) is wound with steel cable (4), one end of the steel cable (4) passes through the gantry (1) and is connected with the construction hanging plate (3), the lower part of the gantry (1) is fixedly installed with four connecting plates (8), the connecting plate (8) is fixedly connected with annular sleeve (9), the lower end of the annular sleeve (9) is clamped into the opening above the shaft, the top of the annular sleeve (9) is hinged with a protective cover (10), two adjacent connecting plates (8) are fixedly installed with a horizontal plate (11), the horizontal plate (11) is rotatably connected with a hydraulic rod (12), the piston end of the hydraulic rod (12) is rotatably connected with the protective cover (10).

2. A construction platform for a vertical shaft of a pumped storage power station according to claim 1, characterized in that: The protective cover (10) is provided with an open slot (13).

3. A construction platform for a vertical shaft of a pumped storage power station according to claim 1, characterized in that: The outer wall of the lower end of the annular sleeve (9) is fixedly connected with a blocking ring (14).

4. A construction platform for a vertical shaft of a pumped storage power station according to claim 1, characterized in that: The gantry (1) includes four vertical columns (15) arranged in a square around the shaft, the connecting plate (8) is fixedly connected with the vertical column (15), two adjacent vertical columns (15) are fixedly connected with a top beam (16) and a middle beam (17) respectively, and the top beam (16) is located at the top of the vertical column (15).

5. A construction platform for a pumped storage power station shaft according to claim 4, characterised in that: Any two opposite top beams (16) are fixedly installed with a fixed plate (5), the bottom of the fixed plate (5) is fixedly installed with a support (6), the lower end of the support is rotatably installed with a guide wheel (7), and the steel cable (4) passes through the guide wheel (7).

6. A construction platform for a vertical shaft of a pumped storage power station according to claim 1, characterized in that: The winch mechanism (2) includes a support (18), two vertical plates (19) are fixedly installed on the support (18), a winch (20) is rotatably connected between the two vertical plates (19), the steel cable (4) is wound on the winch (20), one of the vertical plates (19) is fixedly installed with a motor (21), and the output shaft of the motor (21) is connected with the winch (20).

7. A construction platform for a vertical shaft of a pumped storage power station according to claim 1, characterized in that: The construction hanging plate (3) includes a bottom tray (22) and a top plate (23), the top surface of the top plate (23) is fixedly connected with a hook seat (24), one end of the steel cable (4) is hooked with the hook seat (24), and a plurality of connecting columns (25) are connected between the bottom tray (22) and the top plate (23).

8. A construction platform for a pumped storage power station shaft according to claim 7, characterised in that: The bottom tray (22) is provided with a guardrail (26) around the upper end, the guardrail (26) is located outside the connecting column (25), and the guardrail (26) is hingedly connected with a door body (27).

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