CN217469700U - Platform subassembly and hydroelectric generating set runner are with overhauing platform - Google Patents

Abstract

The utility model relates to a platform subassembly and hydroelectric generating set runner are with overhauing platform overhauls the platform and includes a plurality of platform subassemblies, and a plurality of platform subassemblies surround in the setting of hydroelectric generating set periphery, can dismantle the connection between adjacent platform subassembly. The platform assembly is of a modular structure, the maintenance platform is modularly constructed through the platform assembly, quick construction and dismantling of the maintenance platform can be achieved, and the platform assembly has the advantages of being low in construction difficulty and high in construction efficiency.

Description

Platform subassembly and hydroelectric generating set runner are with overhauing platform

Technical Field

The utility model relates to a hydroelectric generating set maintenance technical field especially relates to a platform subassembly and hydroelectric generating set runner are with overhauing platform.

Background

The hydraulic turbine runner is one of four important overcurrent part of hydraulic turbine, is the important part of hydraulic turbine acting, and the runner all can be demolishd to the unit overhaul time, because of the runner height is higher, generally need set up the construction scaffold frame during the maintenance, all need set up repeatedly when overhauing at every turn, and the period is long, the high shortcoming of construction risk, consequently, it is extremely necessary to innovate the mode of putting up to runner construction maintenance platform.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of prior art's above-mentioned shortcoming, not enough, the utility model provides a platform subassembly and hydroelectric installation runner are with overhauing platform for the runner to hydroelectric installation overhauls, has the technical characterstic that be convenient for build, construction cycle is short, need to build the scaffold frame repeatedly when having solved among the prior art runner and overhauing and lead to the technical problem that the period is long, the construction risk is high.

(II) technical scheme

In order to achieve the purpose, the utility model provides a platform subassembly and hydroelectric generating set runner are with repairing platform, concrete technical scheme as follows:

a platform assembly for building an overhaul platform, comprising:

the first frame is provided with a first pedal;

the second frame is arranged above the first frame;

the angle support frame is connected with the second frame, a second pedal is further arranged on the angle support frame, and the projections of the second pedal and the first pedal on the horizontal plane are not overlapped.

Furthermore, the first pedal is detachably connected with the first frame, and the second pedal is detachably connected with the angle support frame.

Furthermore, the four corners of the first pedal and the second pedal are respectively provided with a hook, the first pedal is connected with the first frame through the hook, and the second pedal is connected with the corner support frame through the hook.

Further, the platform assembly further comprises ground feet, wherein the ground feet are connected to four corners of the bottom of the first frame through height adjusting devices, and the height adjusting devices are suitable for height adjustment and used for adjusting the overall height of the platform assembly.

Preferably, the height adjusting device comprises a first telescopic rod and a second telescopic rod;

the first telescopic rod is arranged on the first frame, and the periphery of the first telescopic rod is also provided with an elastic buckle;

the second telescopic rod is arranged on the ground leg, and a plurality of clamping grooves are correspondingly arranged in the extending direction of the second telescopic rod;

first telescopic link is inserted and is located in the second telescopic link, and the bullet is buckled and can be popped into or pop out the draw-in groove, and when the bullet was buckled and is popped into the draw-in groove, first telescopic link and second telescopic link relative position were fixed.

Further, the device also comprises a first guardrail and a second guardrail;

the first guardrail is arranged at the top of the second frame and is positioned at one side close to the corner support frame;

the second guardrail is clamped on the second frame.

Preferably, the first frame, the second frame, the angle support frame, the first guardrail and the second guardrail are formed by splicing round pipes.

Preferably, each part of the platform assembly is made of high-strength aluminum alloy.

An overhaul platform for a hydroelectric generating set runner comprises the platform assembly;

a plurality of platform subassemblies encircle and set up in hydroelectric generating set periphery, can dismantle the connection between adjacent platform subassembly.

(III) advantageous effects

The utility model provides a pair of platform subassembly and hydroelectric generating set runner are with overhauing platform, through buildding the platform subassembly in advance, then encircle the platform subassembly in the hydroelectric generating set periphery, connect adjacent platform subassembly at last to accomplish the buildding of overhauing the platform. The utility model discloses the platform subassembly is the arc, and seamless when linking to each other the platform subassembly and connecting can be suitable for the user demand of unidimensional hydroelectric generating set runner according to the quantity of the size determination platform subassembly of hydroelectric generating set runner periphery. Furthermore, the maintenance platform is modularly constructed through the platform assembly, the maintenance platform can be quickly constructed and dismantled, and the construction method has the advantages of being low in construction difficulty and high in construction efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:

FIG. 1 is a top view of an inspection platform for a hydroelectric generating set runner in an exemplary embodiment;

FIG. 2 is a schematic structural view of a maintenance platform for a hydroelectric generating set runner in the specific embodiment;

FIG. 3 is a schematic diagram of a platform assembly according to an embodiment;

FIG. 4 is a schematic view of a first step or a second step in accordance with an embodiment;

FIG. 5 is a schematic view of a second barrier according to an embodiment;

fig. 6 is a schematic structural view of a height adjusting device according to an embodiment.

[ description of reference ]

1. A platform assembly; 10. a first frame; 20. a second frame; 30. a corner support frame; 40. a second pedal; 50. a first pedal;

60. a height adjustment device; 601. a first telescopic rod; 602. snapping; 603. a second telescopic rod; 604. a card slot;

70. ground feet; 80. a second guard rail; 90. a first guardrail; 100. a hook;

2. an inclined ladder; 3. a straight ladder.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present embodiment, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present embodiment.

The hydroelectric generating set is also called as a water turbine generating set and is the main power equipment for generating electric energy in a hydropower station. When water flow introduced by a hydropower station passes through a water turbine, the water flow with potential energy at high positions such as rivers, lakes and the like is led to a low position and is converted into mechanical energy of the water turbine through the water turbine, and the water turbine pushes a generator to generate electricity to convert the mechanical energy into electric energy.

The runner is one of four important flow passage components of the water turbine and is an important part of the water turbine for acting, the water turbine needs to be overhauled regularly for ensuring the service performance of the hydro-power generating unit, the runner needs to be dismantled for overhauling during overhauling, a construction scaffold needs to be erected generally during overhauling due to the fact that the height of the runner is high, the construction scaffold needs to be erected repeatedly during overhauling every time, and the runner has the defects of long construction period and high construction risk and influences the overhauling efficiency of the hydro-power generating unit.

This application is based on the above-mentioned problem that exists when hydroelectric generating set overhauls, as shown in fig. 1, fig. 2 and fig. 3, provides a platform subassembly 1 and hydroelectric generating set runner is with overhauing the platform, and wherein, overhauing the platform and being cyclic annular structure, including a plurality of platform subassemblies 1, platform subassembly 1 is the arc structure, and a plurality of platform subassemblies 1 encircle hydroelectric generating set periphery and set up, and adjacent platform intergroup can dismantle the connection, and is seamless when adjacent platform subassembly 1 connects. In this embodiment, overhaul the platform and carry out the modularization through platform subassembly 1 and build, can realize the quick construction and the demolition of overhauing the platform, have the characteristics that the construction degree of difficulty is low, the efficiency of construction is high.

It should be noted that the platform assembly 1 of the present embodiment is an arc-shaped structure, so as to connect the platform assemblies 1 in a ring shape, and there is no gap between adjacent platform assemblies 1, and the detachable connection between adjacent platform assemblies 1 can be connected by a hook and a buckle, and the hook and the buckle structure are not specifically limited in this embodiment.

In this embodiment of the disclosure, platform subassembly 1 is modular structure, can build in advance at the producer and transport to the job site after accomplishing, also can build temporarily at the job site, carries out whole equipment after having built, and the modularization equipment has less construction degree of difficulty, can shorten on-the-spot construction cycle greatly, and then improves hydroelectric generating set's maintenance efficiency.

It should be noted that the number of the platform assemblies 1 needs to be determined according to the size of the periphery of the hydroelectric generating set, the number of the platform assemblies 1 is changed to meet the use requirements of the hydroelectric generating sets with different diameters, the overhaul requirements of the hydroelectric generating sets with different diameters are further met, and the universality is wide.

When the hydroelectric generating set is used specifically, a maintainer can assist the upper and lower maintenance platforms through the inclined ladder 2 or the straight ladder 3 to maintain the hydroelectric generating set. After the overhaul is completed, the overhaul platform is dismantled, and compared with the existing scaffold structure, the scaffold structure has the structural characteristics of simple structure and convenience in dismantling.

Specifically, as shown in fig. 3, the platform assembly 1 of the present embodiment includes a first frame 10, a second frame 20, and a corner support 30. Wherein, a first pedal 50 is arranged on the first frame 10, the second frame 20 is arranged above the first frame 10, one side of the angle support frame 30 is connected with the second frame 20 and is vertical to the second frame 20, a second pedal 40 is also arranged on the angle support frame 30, and the second pedal 40 and the second pedal 20 are

The first pedals 50 do not overlap in projection on a horizontal plane.

In the disclosed embodiment, the platform assembly 1 is a double-layer structure, wherein the first pedal 50 is used as a first layer, the second pedal 40 is used as a second layer, the first pedal 50 and the second pedal 40 are used for a maintenance worker to stand, the height can be designed according to the specific height of the hydroelectric generating set, the maintenance worker can go up and down the first layer through the inclined ladder 2, and the maintenance worker can go up and down the second layer through the straight ladder 3, so that the maintenance worker can go up and down to dismantle and maintain the rotating wheel of the water turbine.

For guaranteeing the personal security of maintainers, the upper surface of first footboard 50 and second footboard 40 sets up the decorative pattern to increase the frictional resistance when the maintainer stands, thereby first footboard 50 and second footboard 40 surface is wet smooth when effectively avoiding sleet weather, leads to the maintainer to slide and fall and hinder.

Further, first footboard 50 can be dismantled with first frame 10 and be connected, and second footboard 40 can be dismantled with angle brace frame 30 and be connected, and the first footboard 50 can be convenient for platform subassembly 1's equipment and dismantlement with the connection mode dismantled of second footboard 40, greatly reduced platform subassembly 1's the construction degree of difficulty, improved the efficiency of construction.

Preferably, as shown in fig. 4, hooks 100 are respectively disposed at four corners of the first pedal 50 and the second pedal 40, the first pedal 50 is connected to the first frame 10 by the hooks 100, and the second pedal 40 is connected to the corner support 30 by the hooks 100. The quick overlap joint and dismouting can be realized to the joint formula connection that this embodiment adopted pothook 100, and the dismouting only need a sledgehammer can, the construction degree of difficulty is low, and the operation of being convenient for.

Further, as shown in fig. 3 and 6, the platform assembly 1 further includes ground feet 70, and the ground feet 70 are disposed at four corners of the bottom of the first frame 10 and used for supporting on the ground, increasing the contact area between the platform assembly 1 and the ground, and reducing the contact pressure between the platform assembly 1 and the ground, so as to protect the ground and the platform assembly 1.

The feet 70 are connected to the first frame 10 by means of height adjustment means 60, the height adjustment means 60 being adapted for height adjustment for adjusting the overall height of the platform assembly 1 to meet the maintenance requirements of different types of hydroelectric generating sets.

In some embodiments, as shown in fig. 6, the height adjusting device 60 specifically includes a first telescopic rod 601 and a second telescopic rod 603; the first telescopic rod 601 is arranged on the first frame 10, and the periphery of the first telescopic rod 601 is also provided with an elastic buckle 602; the second telescopic rod 603 is arranged on the ground foot 70, and a plurality of clamping grooves 604 are correspondingly arranged in the extension direction of the telescopic rod; the first telescopic rod 601 is inserted into the second telescopic rod 603, the elastic buckle 602 can be bounced into or out of the clamping groove 604, and when the elastic buckle 602 bounces into the clamping groove 604, the relative positions of the first telescopic rod 601 and the second telescopic rod 603 are fixed.

When the height is adjusted, the elastic buckle 602 is manually pressed, so that the elastic buckle 602 is popped out of the clamping groove 604, then the first telescopic rod 601 is pulled upwards or downwards, and the elastic buckle 602 is popped into other clamping grooves 604 of the second telescopic rod 603, thereby realizing the overall height adjustment of the platform assembly 1.

Further, as shown in fig. 3 and 5, the platform assembly 1 further includes a first guard rail 90 and a second guard rail 80, wherein the first guard rail 90 is disposed on the top of the second frame 20 and is located at the side of the corner support frame 30. The second guard rail 80 is disposed on the second frame 20, and four corners of the second guard rail 80 are also provided with hooks, which are fastened to the second guard rail 80 via hooks 100.

Wherein, first guardrail 90 is used for protecting the maintainer of standing on second footboard 40, and second guardrail 80 is used for protecting the maintainer of standing on first footboard 50, prevents that the maintainer from falling, protects maintainer's personal safety.

In some embodiments, the first frame 10, the second frame 20, the angle support 30, the first guard rail 90 and the second guard rail 80 are all constructed by round pipes, and the round pipes connected with each other are connected by clamping, inserting or screwing. After the overhaul is completed, the platform assembly 1 can be disassembled into parts, and relevant parts such as the round pipe fitting, the first pedal 50 and the second pedal 40 are stored independently, so that the storage space is greatly reduced, the transportation is convenient, and the transportation difficulty is reduced.

As preferred scheme, for reducing the difficulty of building of overhauing the platform, the pipe of first footboard 50, second footboard 40 and first frame 10, second frame 20, angle brace frame 30, first guardrail 90 and second guardrail 80 is made by high strength aluminum alloy, when guaranteeing part intensity, single spare part has lighter weight, is convenient for constructor to assemble and transport.

In the embodiment of the present disclosure, the first frame 10, the second frame 20, the first guard rail 90, the second guard rail 80, the first pedal 50 and the second pedal 40 are all arc-shaped structures, so that when the platform assemblies 1 are connected to each other, no gap exists between two adjacent platform assemblies 1, which prevents the maintenance personnel from stepping on the air, and further ensures the personal safety of the maintenance personnel.

The aforesaid does the utility model discloses platform subassembly 1 and hydroelectric generating set runner are with concrete structure of overhauing the platform, moreover, the steam generator is simple in structure, and is novel unique, can effectively solve the problem that large-scale hydroelectric generating set runner overhauls construction platform and builds, should overhaul the platform and use and easy dismounting repeatedly, the work efficiency is greatly improved, the security has still been improved, the internal diameter of platform is overhauld in the quantity adjustment of accessible platform subassembly 1 simultaneously, can be used to the maintenance demand of the runner of not used size, have apparent safety, economic benefits and extensive spreading value.

The above, only be the preferred embodiment of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel who is familiar with this technical field is in the technical scope of the utility model discloses, according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change all cover in the protection scope of the utility model.

Claims (9)

1. The utility model provides a platform subassembly for set up and overhaul the platform, a serial communication port, the platform subassembly is the arc structure, includes:

a first frame (10), a first pedal (50) being provided on the first frame (10);

a second frame (20) provided above the first frame (10);

the angle support frame (30) is connected with the second frame (20), a second pedal (40) is further arranged on the angle support frame (30), and the projection of the second pedal (40) and the projection of the first pedal (50) on the horizontal plane do not overlap.

2. The platform assembly according to claim 1, wherein the first tread (50) is removably connected to the first frame (10) and the second tread (40) is removably connected to the angle support (30).

3. The platform assembly according to claim 2, wherein hooks (100) are respectively arranged at four corners of the first pedal (50) and the second pedal (40), the first pedal (50) is connected with the first frame (10) through the hooks (100), and the second pedal (40) is connected with the corner support frame (30) through the hooks (100).

4. A platform assembly according to claim 1, further comprising feet (70), the feet (70) being connected to the bottom four corners of the first frame (10) by height adjustment means (60), the height adjustment means (60) being adapted for height adjustment for adjusting the overall height of the platform assembly (1).

5. The platform assembly according to claim 4, characterized in that the height adjustment means (60) comprise a first telescopic rod (601) and a second telescopic rod (603);

the first telescopic rod (601) is arranged on the first frame (10), and the periphery of the first telescopic rod (601) is also provided with an elastic buckle (602);

the second telescopic rod (603) is arranged on the ground foot (70), and a plurality of clamping grooves (604) are correspondingly arranged in the extending direction of the second telescopic rod (603);

the first telescopic rod (601) is inserted into the second telescopic rod (603), the elastic buckle (602) can be bounced into or popped out of the clamping groove (604), and when the elastic buckle (602) bounces into the clamping groove (604), the relative positions of the first telescopic rod (601) and the second telescopic rod (603) are fixed.

6. The platform assembly of claim 1, further comprising a first fence (90) and a second fence (80);

the first guardrail (90) is arranged at the top of the second frame (20) and is positioned at the side of the corner support frame (30);

the second guardrail (80) is clamped on the second frame (20).

7. The platform assembly according to claim 6, wherein the first frame (10), the second frame (20), the angle braces (30), the first guard rail (90) and the second guard rail (80) are each spliced from a round tube.

8. The platform assembly according to claim 7, characterized in that each component of the platform assembly (1) is made of a high strength aluminium alloy.

9. A service platform for a hydroelectric generating set rotor, comprising a plurality of platform assemblies (1) according to any of claims 1 to 8;

a plurality of platform subassembly (1) encircle in hydroelectric generating set periphery sets up, and is adjacent can dismantle the connection between platform subassembly (1).

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