CN111351237A - Heliostat rotary speed reducer maintenance tool of tower type solar thermal power generation power station - Google Patents

Abstract

The invention relates to a maintenance tool for a heliostat rotary speed reducer of a tower type solar thermal power generation station, which comprises: a chassis; the two lifting mechanisms are arranged on the chassis at intervals; the upright post hoop is arranged between the two lifting mechanisms and is used for being fixedly connected with an upright post of the heliostat; when the lifting device works, the two lifting mechanisms are respectively positioned at two sides of the upright post, and the upright post hoop is fixed on the upright post; the two lifting mechanisms are lifted and can jack up the components above the speed reducer. The tool is reasonable in structure, simple in structure, small in size, low in manufacturing cost, convenient to use, safe, reliable and the like, and the heliostat rotary speed reducer is convenient to replace, maintain and maintain through the tool and the speed reducer convenient to detach and install.

Description

Heliostat rotary speed reducer maintenance tool of tower type solar thermal power generation power station

Technical Field

The invention relates to the field of tower type solar thermal power generation, in particular to a maintenance tool for a heliostat rotary speed reducer of a tower type solar thermal power generation power station.

Background

In the field of photo-thermal power generation, tower-type solar thermal power generation is a novel energy technology capable of being operated commercially because of the advantages of high photo-thermal conversion efficiency, high focusing temperature, fixed focusing target, simple installation and debugging of a control system, less heat dissipation loss and the like.

The heliostat is used as an important component of a tower type solar power generation system, reflects sunlight to a receiver, heats heat absorption working medium, converts light energy into heat energy, and further drives a steam turbine to generate power. The speed reducer is used as an important component of the heliostat and drives the heliostat to adjust the azimuth angle of a reflecting surface of the heliostat. However, in the prior art, when the speed reducer needs to be replaced, maintained and maintained, the disassembly and assembly of the speed reducer become a troublesome problem, and no effective method is available at present.

Disclosure of Invention

The invention aims to provide a maintenance tool for a heliostat rotary speed reducer of a tower type solar thermal power generation station, which is convenient for dismounting and mounting the speed reducer and convenient for replacing, maintaining and maintaining the heliostat rotary speed reducer.

In order to solve the above problems, the present invention provides a maintenance tool for a heliostat rotary speed reducer of a tower-type solar thermal power generation plant, comprising:

a chassis;

the two lifting mechanisms are arranged on the chassis at intervals;

the upright post hoop is arranged between the two lifting mechanisms and is used for being fixedly connected with an upright post of the heliostat;

when the lifting device works, the two lifting mechanisms are respectively positioned at two sides of the upright post, and the upright post hoop is fixed on the upright post; the two lifting mechanisms are lifted and can jack up the components above the speed reducer.

Preferably, the base comprises a U-shaped base and at least three telescopic supporting legs, and the two lifting mechanisms are symmetrically arranged on two symmetrical edges of the U-shaped base;

the three telescopic supporting legs are respectively arranged below three edges of the U-shaped base.

Preferably, the caster comprises two wheels and a wheel shaft, the two wheels are respectively rotatably arranged on two sides of the wheel shaft, and the U-shaped base is arranged on the wheel shaft.

Preferably, the U-shaped base is further provided with two support handles, and the two support handles are arranged on the end parts of the two corresponding edges of the U-shaped base.

Preferably, the lifting mechanism comprises a jacking bracket, a jack, a guide upright post and a support bracket, and the jacking bracket is fixedly arranged on the chassis; the jack is arranged in the jacking bracket; the output end of the jack is fixedly connected with the support bracket; the supporting bracket is movably sleeved on the guide upright post, and the guide upright post is fixedly arranged on the jacking bracket;

the top end of the supporting bracket is provided with a U-shaped supporting frame for bearing a main beam of the mirror bracket, two walls of the U-shaped supporting frame are respectively provided with a jack through which an inserted bar can pass, correspondingly, the main beam is provided with a through hole, and when the main beam is supported by the U-shaped supporting frame, the inserted bar penetrates through the two jacks and the through hole.

Preferably, two ends of the inserted bar are respectively locked with the U-shaped supporting frame through a flange nut.

Preferably, the outside of the support bracket is further provided with a square pipe, correspondingly, the lower end of the support beam of the mirror bracket is provided with a groove which can be clamped on the square pipe.

Preferably, the guide upright post is provided with a hook member.

Preferably, a jack mounting seat is arranged in the jacking bracket, and the jack is mounted on the mounting seat.

Preferably, a hoop mounting piece is fixedly arranged between the two guide upright columns;

the stand staple bolt includes two half staple bolts, one half staple bolt with staple bolt installed part fixed connection, two the both ends of half staple bolt are respectively through the retaining member butt joint.

Compared with the prior art, the invention has the following technical effects:

the maintenance tool for the heliostat rotary speed reducer of the tower type solar thermal power generation station has the advantages of reasonable structure, simple structure, small volume, low manufacturing cost, convenience in use, safety, reliability and the like, is convenient for dismounting and mounting the speed reducer, and is convenient for replacing, maintaining and maintaining the heliostat rotary speed reducer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. In the drawings:

FIG. 1 is a schematic view of a light collection system for a tower-type solar thermal power plant;

FIG. 2 is a schematic diagram of a heliostat provided in accordance with a preferred embodiment of the invention;

fig. 3 is a connection structure diagram of a speed reducer provided in a preferred embodiment of the present invention;

fig. 4 is a structural diagram of a speed reducer and an electric cabinet thereof according to a preferred embodiment of the present invention;

fig. 5 is a structural diagram of a speed reducer provided in a preferred embodiment of the present invention;

fig. 6 is a schematic structural diagram of a speed reducer maintenance tool according to a preferred embodiment of the present invention in use;

fig. 7 is a schematic structural diagram of a speed reducer maintenance tool according to a preferred embodiment of the present invention;

FIG. 8 is a schematic structural view of a chassis provided in accordance with a preferred embodiment of the present invention;

fig. 9 is a schematic structural view of a caster provided in a preferred embodiment of the present invention;

fig. 10 is a schematic structural diagram of a lifting mechanism provided in the preferred embodiment of the present invention;

fig. 11 is a schematic structural view of a column hoop according to a preferred embodiment of the present invention;

fig. 12 and 13 are schematic structural views illustrating a speed reducer maintenance tool and a lens holder in a fixed manner according to a preferred embodiment of the present invention;

fig. 14 is a schematic structural diagram of the reducer maintenance tool according to the preferred embodiment of the present invention after lifting the upper assembly of the reducer.

Detailed Description

The following will describe in detail the heliostat slewing reducer maintenance tool of a tower-type solar thermal power generation plant provided by the present invention with reference to fig. 1 to 14, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments, and those skilled in the art can modify and color the tool within the scope that does not change the spirit and content of the present invention.

Referring to fig. 1, a tower-type solar thermal power generation light-gathering system tracks sunlight by using large-scale heliostats arranged in an orderly driving manner, and sunlight collection is realized through a heat absorber.

Referring to fig. 2, the heliostat 1 at least includes a column 15, a reflector 11, a mirror bracket 12, a connecting base 13, and a speed reducer 14, wherein the reflector 11 is mounted on the mirror bracket 12. The spectacle frame 12 comprises a main beam 122 and a plurality of support beams 121, wherein the support beams 121 are arranged at intervals along the axis of the main beam 122, the support beams 121 are coaxial with the main beam 122, and the main beam 122 penetrates through the support beams 121. The lens holder 12 is mounted on the coupling base 13.

Referring to fig. 3 to 5, the speed reducer 14 is a revolving structure, the speed reducer 14 includes a housing 141, a base 142 and an electric cabinet 143, the base 142 is rotatably disposed at the bottom of the housing 141, and the housing 141 and the base 142 rotate relatively to achieve the purpose of driving the heliostat to rotate in an azimuth direction.

Referring to fig. 6 to 11, the maintenance tool 2 for the heliostat rotary speed reducer of the tower-type solar thermal power generation plant according to the present invention is a special tool for replacing, maintaining and maintaining the installed heliostat speed reducer 14, that is, for replacing, maintaining and maintaining the heliostat rotary speed reducer 14.

The base 142 is fixedly mounted on the upright post 15, and the upper and lower ends of the connecting seat 13 are respectively fixedly connected with the mirror holder 12 and the housing 141 through bolts. An electric cabinet 143 is mounted on the housing 141.

This frock 2 includes:

the chassis 21 is the foundation of the whole tool 2;

the lifting mechanism 22 is used for driving components above the speed reducer 14 (comprising the lens bracket 12, the reflector 11 and the connecting seat 13) to lift; the chassis 21 is provided with two lifting mechanisms 22 at intervals and used for jacking components above the speed reducer 14;

the upright post hoop 23 is arranged between the two lifting mechanisms 22, and is used for being fixedly connected with the upright post 15 of the heliostat, so that the fixture 2 is ensured not to move during operation, and the operation safety is guaranteed;

when the lifting device works, the two lifting mechanisms 22 are respectively positioned at two sides of the upright post 15, and the upright post hoop 23 is fixed on the upright post 15; the two lifting mechanisms 22 are lifted and can jack up the components above the speed reducer 14.

In the present embodiment, the chassis 21 includes:

the two lifting mechanisms 22 are symmetrically arranged on two symmetrical edges of the U-shaped base 211. The opening width of the U-shaped base 211 is larger than the diameter of the upright post 15, so that the upright post 15 can be located in the opening of the U-shaped base 211 during operation, and the two lifting mechanisms 22 can be distributed on two sides of the upright post 15. The U-shaped base 211 is further provided with two support handles 213, and the two support handles 213 are fixed on the end parts of two corresponding edges of the U-shaped base 211, namely positioned on two sides of the opening of the U-shaped base 211 and used for lifting the chassis 21;

the telescopic supporting legs 212, the chassis 21 comprises at least three telescopic supporting legs 212, preferably three telescopic supporting legs 212 in the embodiment, the three telescopic supporting legs 212 are respectively arranged below three sides of the U-shaped base 211, and the telescopic supporting legs 212 are arranged below the U-shaped base 211; the telescopic support leg 212 is used for supporting the bottom of the tool 2 during operation, the height of the telescopic support leg 212 can be adjusted according to actual requirements, the telescopic support leg 212 is provided with a self-locking component (not shown in the figure), and after the telescopic support leg 212 is adjusted to the required height, the height of the telescopic support leg 212 can be locked through the self-locking component, so that reliable support is provided for the whole tool. The specific structure of telescopic support leg is comparatively common, as long as it possesses raising and lowering functions to it can fix this high position through the auto-lock component after going up and down to required height can, to this, the embodiment is no longer repeated.

The tool 2 further comprises a caster 24 mounted at the bottom of the U-shaped base 211 for movement of the tool 2. The caster 24 comprises two wheels 242 and an axle 241, the two wheels 242 are respectively rotatably arranged on two sides of the axle 241; the lower bottom surfaces of two symmetrical edges of the U-shaped base 211 are respectively provided with a clamping groove 214 consisting of two baffles, and the two clamping grooves 214 are clamped on the wheel shaft 241.

When the tool 2 needs to be moved, the handle needs to be manually operated, so that the telescopic support leg 212 is suspended. The tool 2 is then pushed into position by the castors 24 and the hand crank causes the telescoping legs 212 to rest on the ground with the wheels 242 of the castors 24 suspended.

The lifting mechanism 22 includes:

the lifting bracket 221, which is the bottom of the lifting mechanism 22, is fixedly installed on the U-shaped base 211. In this embodiment, the jacking bracket 221 is a U-shaped frame, and is fixed on the U-shaped base 211 with an opening facing downward;

the jack 223 is a power source of the entire tool 2. A jack mounting seat 222 is fixedly arranged in the jacking bracket 221, and the jack 223 is mounted on the mounting seat 222; jack mount 222 is a stressed support for jack 223;

a guide post 224 having a sleeve-shaped structure, the guide post 224 being fixedly mounted on the jacking bracket 221; the guide upright post 224 is welded with a hook member 210, the hook member 210 is used for fastening a safety belt, and comprises a safety belt fixed by a worker through the safety belt and a mirror body (an assembly of the mirror bracket 5 and the reflector 4) so as to ensure the safety of the operation;

and the support bracket 225 is movably sleeved on the guide upright post 224, and the support bracket 225 penetrates through the jacking bracket 221 and is fixedly connected with the output end of the jack 223. The guide post 224 is a guide rail for supporting the bracket 225, and serves as a guide.

The U-shaped supporting frame 226 is fixedly arranged at the top end of the supporting bracket 225, two walls of the U-shaped supporting frame 226 are respectively provided with an insertion hole through which the insertion rod 227 can pass, correspondingly, the main beam 122 is provided with a through hole, when the main beam 122 is supported by the U-shaped supporting frame 226, the insertion rod 227 passes through the two insertion holes and the through hole, and two ends of the insertion rod 227 are respectively locked with the U-shaped supporting frame 226 through a flange nut 229;

the square tube 228 is fixedly disposed on the outer side of the support bracket 225, and correspondingly, a groove capable of being clamped on the square tube 228 is disposed at the lower end of the support beam 121 of the glasses frame 12. The square tube 228 functions to prevent the frame 12 from rotating and tilting during the operation of the tool 2.

In this embodiment, referring to fig. 12, the jack 223 lifts the U-shaped supporting frame 226 to be in contact with the main beam 122, the groove of the supporting beam 121 is clamped on the supporting side square tube 228, the inserting rod 227 passes through the inserting hole of the U-shaped supporting frame 226 and the through hole of the main beam 122, and the flange nut 229 locks two ends of the inserting rod 227, so that the lifting mechanism 22 and the main beam 122 are connected into a whole to prepare for components above the lifting speed reducer 14. The main beam 122 and the support bracket 225 are connected together by the insertion rod 227, and the positioning mode ensures that the spectacle frame 12 is not inclined, and is safe and reliable.

In this embodiment, the column hoop 23 is disposed between the two guide columns 224 through a hoop mounting member 24, that is, a hoop mounting member 24 is fixedly disposed between the two guide columns 224, the column hoop 23 is a detachable structure and includes two half hoops, one half hoop 231 is fixedly connected to the hoop mounting member 24, and two ends of the two half hoops are respectively butted with each other through a locking member.

The invention does not limit the concrete structure of the locking piece, and can be thread locking, a threaded hole is respectively arranged on the two half hoops at the butt joint end, and the bolts respectively penetrate through the threaded holes and are fastened through nuts. The quick clamp can be locked, the quick clamp is locked in the embodiment by taking the quick clamp as an example, namely the quick clamp comprises a quick clamp handle 234, a pull ring 233 and a hook 232, the hook 232 is installed on one hoop half at the butt joint end, the quick clamp handle 234 and the pull ring 233 are movably arranged on the other hoop half, the quick clamp handle 234 is linked with the pull ring 233, and during butt joint, the pull ring 233 is hung on the hook 232 and the quick clamp handle 234 is pressed for locking. According to the invention, the tooling 2 and the heliostat upright post 2 are fixed together through the upright post hoop 23, so that the tooling 2 is ensured not to move in the operation, the fixing mode is simple, and the fixing effect is firm and reliable. In this embodiment, the travel of the quick clamp is adjustable, requiring adjustment to the proper position to ensure that the post 15 is properly gripped when locked.

Referring to fig. 13, after the heliostat rotary reduction gear maintenance tool 2 finishes positioning the main beam 122, the electric cabinet 143 is detached from the rotary reduction gear 14, the connecting bolt of the rotary reduction gear 14 and the upright post 15 is detached, and the connecting bolt of the rotary reduction gear 14 and the connecting seat 13 is detached to prepare for components above the jacking reduction gear 14.

Referring to fig. 14, after the heliostat rotary reduction box maintenance tool 2 finishes the preparation work before jacking, the jacks 223 on both sides slowly jack the mirror bracket 12, so that the flange of the connecting seat 13 is separated from the flange surface of the rotary reduction box 14 by about 1 cm, and the reduction box 14 can be taken out. And replacing the new or maintained speed reducer, and finishing the installation and replacement of the speed reducer in the reverse order of the installation and the disassembly.

The disclosure above is only one specific embodiment of the present application, but the present application is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present application.

Claims (10)

1. The utility model provides a frock is maintained to heliostat gyration speed reducer of tower solar thermal power generation power station which characterized in that includes:

a chassis;

the two lifting mechanisms are arranged on the chassis at intervals;

the upright post hoop is arranged between the two lifting mechanisms and is used for being fixedly connected with an upright post of the heliostat;

when the lifting device works, the two lifting mechanisms are respectively positioned at two sides of the upright post, and the upright post hoop is fixed on the upright post; the two lifting mechanisms are lifted and can jack up the components above the speed reducer.

2. The heliostat rotary speed reducer maintenance tool of a tower solar thermal power generation plant of claim 1, wherein the base comprises a U-shaped base and at least three telescopic support legs, and the two lifting mechanisms are symmetrically arranged on two symmetrical edges of the U-shaped base;

the three telescopic supporting legs are respectively arranged below three edges of the U-shaped base.

3. The maintenance tool for the heliostat rotation speed reducer of a tower-type solar thermal power generation plant of claim 2, further comprising a caster, wherein the caster comprises two wheels and a wheel shaft, the two wheels are respectively rotatably arranged at two sides of the wheel shaft, and the U-shaped base is mounted on the wheel shaft.

4. The maintenance tool for the heliostat rotary speed reducer of the tower type solar thermal power generation plant of claim 3, wherein the U-shaped base is further provided with two support handles, and the two support handles are installed on the end parts of two corresponding edges of the U-shaped base.

5. The heliostat rotary speed reducer maintenance tool of a tower solar thermal power generation plant of claim 1, wherein the lifting mechanism comprises a jacking bracket, a jack, a guide upright post and a support bracket, the jacking bracket is fixedly installed on the chassis; the jack is arranged in the jacking bracket; the output end of the jack is fixedly connected with the support bracket; the supporting bracket is movably sleeved on the guide upright post, and the guide upright post is fixedly arranged on the jacking bracket;

the top end of the supporting bracket is provided with a U-shaped supporting frame for bearing a main beam of the mirror bracket, two walls of the U-shaped supporting frame are respectively provided with a jack through which an inserted bar can pass, correspondingly, the main beam is provided with a through hole, and when the main beam is supported by the U-shaped supporting frame, the inserted bar penetrates through the two jacks and the through hole.

6. The maintenance tool for the heliostat rotary speed reducer of a tower-type solar thermal power generation plant of claim 5, wherein two ends of the inserted bar are respectively locked with the U-shaped supporting frame through a flange nut.

7. The maintenance tool for the heliostat rotary speed reducer of a tower-type solar thermal power generation plant according to claim 5, wherein a square tube is further arranged on the outer side of the support bracket, and correspondingly, a groove capable of being clamped on the square tube is arranged at the lower end of the support beam of the mirror bracket.

8. The maintenance tool for the heliostat rotary speed reducer of a tower-type solar thermal power generation plant of claim 5, wherein the guide upright post is provided with a hook member.

9. The maintenance fixture for the heliostat rotary speed reducer of a tower-type solar thermal power plant according to claim 5, wherein a jack mounting seat is arranged in the jacking bracket, and the jack is mounted on the mounting seat.

10. The maintenance tool for the heliostat rotary speed reducer of the tower-type solar thermal power generation plant of claim 5, wherein a hoop mounting piece is fixedly arranged between the two guide upright columns;

the stand staple bolt includes two half staple bolts, one half staple bolt with staple bolt installed part fixed connection, two the both ends of half staple bolt are respectively through the retaining member butt joint.

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