Maintenance walking board for generator rack

Abstract

The utility model provides a generator rack maintenance walking board which comprises a base plate, the two opposite sides of the base plate in the width direction are each connected with a baffle, a guardrail is installed above each baffle, and the upper portions of the two opposite sides of the base plate in the length direction are each provided with a safety door. The safety door, the base plate and the guardrail form an accommodating space; the maintenance walking board comprises a baffle, the two sides of the baffle in the length direction are each provided with a limiting assembly, each limiting assembly has a first state of being fixed to the baffle and a second state of sliding along the baffle, and the limiting assemblies in the first state are used for abutting against the side wall of a rack so as to limit the position of the maintenance walking board of the generator rack. The maintenance walking board for the generator rack is simple in structure, convenient to disassemble and assemble, high in stability, good in safety and suitable for maintenance of racks of different sizes.

Description

Technical Field

[0001] The present application relates to the technical field of generator maintenance, and in particular to a generator frame maintenance platform. Background Art

[0002] Pumped storage is the use of electricity during the low load period to pump water to the upper reservoir, and then release the water stored in the upper reservoir to the lower reservoir for power generation during the peak load period, also known as energy storage power generation. It can convert the excess electricity during the low load period of the power grid into high-value electricity during the high load period of the power grid, suitable for frequency and phase modulation, can be used to stabilize the frequency and voltage of the power system, and is suitable for emergency standby, and can also improve the efficiency of thermal power plants and nuclear power plants in the power system.

[0003] The generator is the core equipment of the pumped-storage power station and requires regular maintenance. The existing maintenance method usually involves tying wooden boards on the rack for personnel to enter the rack from the outside for operation, but there is a risk of personnel falling and the safety factor is low. It is possible to consider designing a walkway to be installed on the rack for personnel to walk on, but the general walkway has poor stability and limited fixing methods, and is not suitable for racks of different sizes. Therefore, there is an urgent need for a generator rack maintenance walkway that is highly versatile, safe and stable. Utility Model Content

[0004] In view of this, the purpose of the present application is to propose a generator rack maintenance platform to solve the related problems mentioned in the background technology.

[0005] Based on the above-mentioned purpose, the present application provides a generator rack maintenance walkway, including: a base plate, wherein a baffle is respectively connected to the two opposite sides of the base plate in the width direction, a guardrail is installed above each baffle, and a safety door is respectively provided above the two opposite sides of the base plate in the length direction, and the safety door, the base plate and the guardrail form a accommodating space; a limit assembly is respectively installed on the two sides of the baffle in the length direction, and the limit assembly has a first state of being fixed on the baffle and a second state of sliding along the baffle, and the limit assembly in the first state is used to abut against the side wall of the rack to limit the position of the generator rack maintenance walkway.

[0006] Furthermore, the limit assembly includes a U-shaped slider, and at least one first connecting hole is provided on one side of the slider along the width direction, and the first connecting hole is used to connect a bolt to fix the limit assembly on the baffle; the slider is rotatably connected to a limit rod on the other side along the width direction, and the limit rod has a third state perpendicular to the substrate and a fourth state parallel to the substrate, and the limit rod in the third state is used to abut against the side wall of the frame.

[0007] Furthermore, a second connecting hole is provided on the side of the slider that cooperates with the limit rod, and the second connecting hole is used to be rotatably connected to the limit rod; a third connecting hole is provided below the second connecting hole, and a fourth connecting hole is provided on one side of the second connecting hole along the length direction, and the third connecting hole and the fourth connecting hole are both used to be connected to the limit rod pin shaft.

[0008] Furthermore, a first cushion block is provided on one side of the limiting rod along the length direction, and the first cushion block is used to abut against the side wall of the frame.

[0009] Furthermore, each of the baffles is provided with two of the limit assemblies.

[0010] Furthermore, second cushion blocks are provided at the bottoms of two opposite sides of the base plate along the length direction, and the second cushion blocks are used to abut against the top wall of the frame.

[0011] Furthermore, warning strips are provided on the tops of two opposite sides of the substrate along the length direction.

[0012] Furthermore, the top surface of the substrate is provided with anti-slip grooves.

[0013] Furthermore, one side of the safety door is rotatably connected to one of the guardrails, and the other side of the safety door is detachably connected to another guardrail.

[0014] Furthermore, a vertical limiting tube is provided on the side wall of the baffle, and the limiting tube is used to be plugged and matched with the guardrail.

[0015] From the above description, it can be seen that the generator rack maintenance walkway provided in the present application includes a base plate, and a baffle is respectively connected to the two opposite sides of the base plate in the width direction, and a guardrail is installed above each baffle. A safety door is respectively provided above the two opposite sides of the base plate in the length direction. The safety door, the base plate and the guardrail form a accommodating space for personnel to walk and operate, which has strong safety; a limit assembly is respectively installed on both sides of the baffle in the length direction, and the limit assembly has a first state fixed on the baffle and a second state sliding along the baffle, and the limit assembly in the first state is used to contact with the machine The side walls of the rack are abutted against each other to limit the position of the generator rack maintenance walkway. The limit assemblies on both sides constrain each other to limit the position of the walkway along the length direction, and the walkway is firmly fixed on the rack with good stability. When erecting racks of different sizes, the limit assemblies can be slid to adapt to different limit lengths, thereby improving the versatility of the walkway. After testing, the generator rack maintenance walkway can be carried by two people, and the assembly and disassembly can be completed within 5 minutes. The generator rack maintenance walkway has a simple structure, is easy to disassemble and assemble, has strong stability, good safety, and is suitable for maintenance of racks of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the structure of a generator rack maintenance platform in an embodiment of the present application;

[0018] Figure 2 This is a schematic diagram of the structure of the generator frame maintenance platform and the generator frame in the embodiment of the present application;

[0019] Figure 3 Schematic diagram of the structure of the limit assembly in the embodiment of the present application.

[0020] Figure numerals: 1, base plate; 1-1, second pad; 1-2, warning strip; 1-3, anti-slip pattern; 2, baffle; 2-1, limit tube; 3, guardrail; 4, safety door; 5, limit assembly; 5-1, slider; 5-2, first connecting hole; 5-3, limit rod; 5-4, second connecting hole; 5-5, third connecting hole; 5-6, fourth connecting hole; 5-7, first pad; 6, frame. DETAILED DESCRIPTION

[0021] In order to make the objectives, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below in combination with specific embodiments and with reference to the accompanying drawings.

[0022] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present application should be the usual meanings understood by people with ordinary skills in the field to which the present disclosure belongs. Similar words such as "including" or "comprising" used in the present disclosure mean that the elements or objects appearing in front of the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Similar words such as "connect" or "connected" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to represent relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0023] Pumped storage is the use of electricity during the low load period to pump water to the upper reservoir, and then release the water stored in the upper reservoir to the lower reservoir for power generation during the peak load period, also known as energy storage power generation. It can convert the excess electricity during the low load period of the power grid into high-value electricity during the high load period of the power grid, suitable for frequency and phase modulation, can be used to stabilize the frequency and voltage of the power system, and is suitable for emergency standby, and can also improve the efficiency of thermal power plants and nuclear power plants in the power system.

[0024] The generator is the core equipment of the pumped-storage power station and requires regular maintenance. The existing maintenance method usually involves tying wooden boards on the rack for personnel to enter the rack from the outside for operation, but there is a risk of personnel falling and the safety factor is low. It is possible to consider designing a walkway to be installed on the rack for personnel to walk on, but the general walkway has poor stability and limited fixing methods, and is not suitable for racks of different sizes. Therefore, there is an urgent need for a generator rack maintenance walkway that is highly versatile, safe and stable.

[0025] Below, through specific embodiments and combined Figures 1 to 3 The technical solution of this application is further described in detail.

[0026] In some embodiments of the present application, a generator rack maintenance platform is provided, such as Figure 1 and Figure 2 As shown, it includes: a base plate 1, wherein a baffle 2 is respectively connected to two opposite sides of the base plate 1 in the width direction, a guardrail 3 is installed above each of the baffles 2, and a safety door 4 is respectively provided above two opposite sides of the base plate 1 in the length direction, and the safety door 4, the base plate 1 and the guardrail 3 form a accommodating space; a limit assembly 5 is respectively installed on two sides of the baffle 2 in the length direction, and the limit assembly 5 has a first state of being fixed on the baffle 2 and a second state of sliding along the baffle 2, and the limit assembly 5 in the first state is used to abut against the side wall of the frame 6 to limit the position of the generator frame maintenance walkway.

[0027] like Figure 1 As shown, the walkway includes a base plate 1, in which the L direction is the length direction, and the W direction is the width direction. A baffle 2 is respectively connected to the two opposite sides of the base plate 1 along the width direction. The baffle 2 can be integrally formed with the base plate 1, or can be fixed by welding. The baffle 2 can not only protect personnel, but also can be used as a slide rail for the subsequent limit assembly 5; a guardrail 3 is installed above each baffle 2, and a safety door 4 is respectively provided above the two opposite sides of the base plate 1 along the length direction. The safety door 4 and the guardrail 3 are both detachably connected. The connection method can be selected according to different structures, such as plug-in, snap-on, bolt connection, etc. The safety door 4, the base plate 1 and the guardrail 3 form a accommodating space for personnel walking operations, which has strong safety. A self-closing safety door can be configured to prevent people from accidentally falling.

[0028] A limit assembly 5 is installed on both sides of the baffle 2 along the length direction. The limit assembly 5 has a first state fixed on the baffle 2 and a second state sliding along the baffle 2. The limit assembly 5 in the first state is used to abut against the side wall of the frame 6 to limit the position of the generator frame maintenance walkway. The limit assemblies 5 on both sides restrain each other to limit the position of the walkway along the length direction, and the walkway is firmly fixed on the frame 6 with good stability. When racks 6 of different sizes are erected, the limit assembly 5 can be slid to adapt to different limit lengths, thereby improving the versatility of the walkway.

[0029] The generator frame maintenance walkway adopts a customized high-strength aluminum alloy structure. After testing, the generator frame 6 maintenance walkway can be carried by 2 people, and the assembly and disassembly can be completed within 5 minutes. It is convenient for people to enter and exit, which improves safety, greatly improves work efficiency, and ensures safe production.

[0030] The generator frame maintenance platform has a simple structure, is easy to disassemble and assemble, has strong stability, and has good safety, and is suitable for maintenance of frames 6 of different sizes.

[0031] In some embodiments, Figure 3 As shown, the limit assembly 5 includes a U-shaped slider 5-1, and the slider 5-1 is provided with at least one first connecting hole 5-2 on one side along the width direction, and the first connecting hole 5-2 is used to connect bolts to fix the limit assembly 5 on the baffle 2; the slider 5-1 is rotatably connected to the limit rod 5-3 on the other side along the width direction, and the limit rod 5-3 has a third state in which it is perpendicular to the base plate 1 and fixed, and a fourth state in which it is parallel to the base plate 1 and fixed, and the limit rod 5-3 in the third state is used to abut against the side wall of the frame 6.

[0032] like Figure 3 As shown, the limit assembly 5 includes a U-shaped slider 5-1, which cooperates with the baffle 2 and can slide along the baffle 2 to achieve the second state; two first connecting holes 5-2 are provided on one side of the slider 5-1, and the first connecting holes 5-2 can be connected with bolts to fix the limit assembly 5 on the baffle 2 to achieve the first state.

[0033] The other side of the slider 5-1 is rotatably connected to the limit rod 5-3, and the limit rod 5-3 has a third state in which it is perpendicular to the substrate 1 and fixed, and a fourth state in which it is parallel to the substrate 1 and fixed. The limit rod 5-3 in the third state vertically protrudes from the slider 5-1, and is used to abut against the side wall of the frame 6 to fix the walkway; the limit rod 5-3 in the fourth state does not vertically protrude from the slider 5-1, which is convenient for disassembling the walkway from the frame 6 and can save space when the walkway is stored. After storage, the substrate 1 directly contacts the ground and has good stability.

[0034] In some embodiments, Figure 3 As shown, a second connecting hole 5-4 is provided on one side of the slider 5-1 that cooperates with the limiting rod 5-3, and the second connecting hole 5-4 is used for rotationally connecting with the limiting rod 5-3; a third connecting hole 5-5 is provided below the second connecting hole 5-4, and a fourth connecting hole 5-6 is provided on one side of the second connecting hole 5-4 along the length direction, and the third connecting hole 5-5 and the fourth connecting hole 5-6 are both used for connecting with the pin shaft of the limiting rod 5-3.

[0035] like Figure 3 As shown, a second connecting hole 5-4 is provided on one side of the slider 5-1, which is connected to the limiting rod 5-3 through a rotating shaft to realize state switching; a third connecting hole 5-5 is provided below the second connecting hole 5-4, and when the limiting rod 5-3 is rotated to vertical, the third connecting hole 5-5 and the connecting rod are fixed by a pin shaft to realize the third state; a fourth connecting hole 5-6 is provided on one side of the second connecting hole 5-4 along the length direction, and when the limiting rod 5-3 is rotated to horizontal, the fourth connecting hole 5-6 and the connecting rod are fixed by the same pin shaft to realize the fourth state.

[0036] In some embodiments, Figure 3 As shown, a first cushion block 5 - 7 is provided on one side of the limiting rod 5 - 3 along the length direction, and the first cushion block 5 - 7 is used to abut against the side wall of the frame 6 .

[0037] like Figure 3 As shown, a first pad 5-7 is provided on one side of the limiting rod 5-3, such as a rubber pad, which can be flexibly extruded and matched with the side wall of the frame 6 to avoid damage.

[0038] In some embodiments, Figure 2 As shown, each baffle 2 is provided with two limiting components 5 .

[0039] like Figure 2 As shown, the position of the walkway can be stably limited by four limit assemblies 5, and the stability is good.

[0040] In some embodiments, Figure 1 As shown, second cushion blocks 1 - 1 are provided at the bottoms of two opposite sides of the base plate 1 along the length direction, and the second cushion blocks 1 - 1 are used to abut against the top wall of the frame 6 .

[0041] like Figure 1 As shown, a second pad 1-1 is provided at the bottom of the end of the substrate 1, such as a rubber pad, which can be flexibly extruded and matched with the top wall of the frame 6 to avoid damage.

[0042] In some embodiments, Figure 1As shown, warning strips 1-2 are provided on the tops of two opposite sides of the substrate 1 along the length direction, and anti-slip grooves 1-3 are provided on the top surface of the substrate 1.

[0043] like Figure 1 As shown, a warning strip 1-2 is provided on the top of the end of the substrate 1 to remind personnel to pay attention, and an anti-slip pattern 1-3 is provided on the top surface of the substrate 1, and the anti-slip grade reaches R10 (DIN EN 16165:2021-12).

[0044] In some embodiments, Figure 1 As shown, one side of the safety door 4 is rotatably connected to one of the guardrails 3 , and the other side of the safety door 4 is detachably connected to another guardrail 3 .

[0045] like Figure 1 As shown, one side of the safety door 4 is connected to the guardrail 3 by a pivot, and the other side is connected to the guardrail 3 by snapping, plugging or magnetic attraction, etc., so that the safety door 4 can be opened and closed to ensure the safety of personnel.

[0046] In some embodiments, Figure 1 As shown, the side wall of the baffle 2 is provided with a vertical limiting tube 2 - 1 , and the limiting tube 2 - 1 is used for plugging and matching with the guardrail 3 .

[0047] Removable guardrails 3 are installed on both sides of the walkway to improve the safety protection of personnel. The components used in the guardrails 3 are aluminum alloy round tubes to increase the load-bearing capacity. In the structural design of the guardrails 3, multiple connecting bolts are designed to be included in the internal slide rails of the round tubes to reduce the possibility of sporadic parts falling off.

[0048] like Figure 1 As shown, a plurality of limiting tubes 2-1 are provided on the inner side of the baffle 2, which can be inserted into the round tubes of the guardrail 3 to achieve limiting, and can be fixed by bolt connection after insertion.

[0049] In some embodiments, the walkway has a hanging rod reserved for installing a rope ladder.

[0050] In some embodiments, after the upper frame of the unit is hoisted out of the foundation pit, a generator frame maintenance walkway is set up, and the position of the walkway is limited after adjusting the limit assembly 5, so that personnel can enter and exit on the walkway.

[0051] The overall structure of the generator rack maintenance platform is welded with aluminum alloy. When assembling, just insert the guardrails 3 on both sides of the platform and the front and rear safety doors 4 into the limit tube 2-1 of the base plate 1 and tighten the bolts. The overlapping position of the platform, the frame 6 and the pit is equipped with an adjustable limit assembly 5. After the limit assembly 5 is in place, tighten the bolts to prevent the position of the platform from accidentally moving. The guardrail 3 and the base plate 1 adopt a quick disassembly and assembly structure, which is easy to disassemble and assemble and can reduce storage space.

[0052] The various embodiments in the present application are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0053] The description of the present application is given for the purpose of illustration and description, and is not intended to be exhaustive or to limit the present application to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present application, and to enable those of ordinary skill in the art to understand the present application and thus design various embodiments with various modifications suitable for specific purposes.

[0054] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present application (including the claims) is limited to these examples. In line with the concept of the present application, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the embodiments of the present application as described above, which are not provided in detail for the sake of simplicity.

[0055] Although the present application has been described in conjunction with specific embodiments thereof, many alternatives, modifications and variations of these embodiments will be apparent to those skilled in the art in light of the foregoing description.

[0056] The embodiments of the present application are intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the embodiments of the present application should be included in the scope of protection of the present application.

Claims

1. A generator rack maintenance platform, characterized in that: include: A base plate, wherein two opposite sides of the base plate in the width direction are respectively connected to a baffle, a guardrail is installed above each of the baffles, and a safety door is respectively provided above two opposite sides of the base plate in the length direction, and the safety door, the base plate and the guardrail form a receiving space; A limit assembly is respectively installed on both sides of the baffle along the length direction. The limit assembly has a first state of being fixed on the baffle and a second state of sliding along the baffle. The limit assembly in the first state is used to abut against the side wall of the frame to limit the position of the generator frame maintenance walkway.

2. The generator rack maintenance platform according to claim 1, characterized in that: The limiting assembly comprises a U-shaped slider, and at least one first connecting hole is provided on one side of the slider along the width direction, and the first connecting hole is used to connect a bolt to fix the limiting assembly on the baffle; The slider is rotatably connected to a limiting rod along the other side of the width direction. The limiting rod has a third state perpendicular to the base plate and a fourth state parallel to the base plate. The limiting rod in the third state is used to abut against the side wall of the frame.

3. The generator rack maintenance platform according to claim 2, characterized in that: A second connecting hole is provided on one side of the slider that cooperates with the limit rod, and the second connecting hole is used to be rotatably connected to the limit rod; a third connecting hole is provided below the second connecting hole, and a fourth connecting hole is provided on one side of the second connecting hole along the length direction, and the third connecting hole and the fourth connecting hole are both used to be connected to the limit rod pin shaft.

4. The generator rack maintenance platform according to claim 2, characterized in that: A first cushion block is provided on one side of the limiting rod along the length direction, and the first cushion block is used to abut against the side wall of the frame.

5. The generator rack maintenance platform according to claim 1, characterized in that: Two limiting components are arranged on each baffle.

6. The generator rack maintenance platform according to claim 1, characterized in that: Second cushion blocks are provided at the bottoms of two opposite sides of the base plate along the length direction, and the second cushion blocks are used to abut against the top wall of the frame.

7. The generator rack maintenance platform according to claim 1, characterized in that: Warning strips are arranged on the tops of two opposite sides of the base plate along the length direction.

8. The generator rack maintenance platform according to claim 1, characterized in that: The top surface of the substrate is provided with anti-slip grooves.

9. The generator rack maintenance platform according to claim 1, characterized in that: One side of the safety door is rotatably connected to one of the guardrails, and the other side of the safety door is detachably connected to another guardrail.

10. The generator rack maintenance platform according to claim 1, characterized in that: The side wall of the baffle is provided with a vertical limiting tube, and the limiting tube is used for plugging and matching with the guardrail.

Images