CN217999804U - Anti-falling system for wind generating set cabin internal crane - Google Patents

Abstract

The utility model provides a hoist is with system of preventing falling in wind generating set cabin relates to aerogenerator technical field, and it can reduce the workman risk of colliding with. The device includes that first electric putter and the rail guard that sets up all around the last hole of last baffle prevent that the staff from falling, and the shell in cabin is close to with the junction of lower baffle to the apron, and first electric putter's stiff end is articulated with the shell, and first electric putter's flexible end is articulated with apron lateral wall down, but the position of apron under the automatic control.

Description

Anti-falling system for wind generating set cabin internal crane

Technical Field

The utility model relates to a aerogenerator technical field particularly, relates to a system of preventing falling for crane in wind generating set cabin.

Background

Many trouble maintenance circumstances of wind generating set can relate to the hoist and mount operation, generally can be equipped with the loop wheel machine in the cabin of unit afterbody, be provided with baffle and lower baffle between the station of loop wheel machine and hoist and mount operation, go up the baffle and open respectively with lower baffle and have last hole and the lower hole that can supply the loop wheel machine couple to pass, the upper hole inner edge articulates there is the upper cover plate, the lower hole inner edge articulates there is the lower apron, the workman that needs before the hoist and mount operation at last baffle activity manually opens the lower apron of upper baffle below, then manual release loop wheel machine. The safety rope hung on the safety rail in the cabin is not enough to guarantee the life safety of workers, and the collision is easily caused by unstable gravity center when the lower cover plate is opened by bending down manually; and at the in-process of manual release loop wheel machine, the workman need constantly bow to go to observe the position of loop wheel machine couple, leads to the high altitude dizzy easily, leads to colliding with.

Therefore, the invention is needed to invent a falling prevention system for a crane in a cabin of a wind generating set, which can reduce the collision risk of workers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist is with preventing system of falling in wind generating set cabin, it can reduce the workman risk of colliding with.

The embodiment of the utility model discloses a realize through following technical scheme:

the utility model provides a hoist is with preventing system of falling in wind generating set cabin, includes first electric putter and the rail guard that sets up all around the last hole of last baffle, first electric putter's stiff end is articulated with the shell, first electric putter's flexible end is articulated with apron lateral wall down, and first electric putter's flexible end is articulated with apron lateral wall down.

Further, the rail guard comprises a U-shaped rail and a supporting rod used for supporting the rail, the top end of the rail is fixedly connected to the shell, the top end of the supporting rod is fixedly connected to the bottom of the rail, the bottom end of the supporting rod is fixedly connected to the side wall of the upper partition plate, a first switch connected with a power supply in series is arranged at the joint of the end of the supporting rod and the upper partition plate, a second switch connected with the power supply in series is arranged at the joint of the top end of the rail and the shell, and the lower cover plate can be opened only when the joint of the rail guard, the shell and the upper partition plate is intact.

Specifically, it has first mounting groove to go up the lateral wall and open on the baffle, and shell inner wall is opened there is the second mounting groove, bracing piece bottom lateral wall welds in first mounting groove lateral wall, rail top lateral wall welds in second mounting groove lateral wall, bottom, bracing piece bottom and the equal fixedly connected with electron contact in bottom, the second mounting groove in the first mounting groove, the rail top.

Furthermore, the side lever of rail can be dismantled and is connected with the periscope for observe the position of loop wheel machine couple.

Further, including the link, the base bottom of link can be dismantled the lateral wall of connecting in the side lever, open at the link top has circular recess, the lens cone lateral wall fixedly connected with of periscope with the connecting ball of recess adaptation, the periscope can be rotatory around the side lever.

Further, the bottom of base is opened has the joint groove with the side lever adaptation, joint groove bottom fixedly connected with locking round pin, the side lever lateral wall is opened along its axial has a plurality of locking holes, locking hole and locking round pin adaptation, the hookup location of periscope and side lever can remove, and it is spacing to see accessible locking hole and locking round pin after confirming the hookup location.

Furthermore, the periscope is close to the lens cone lateral wall fixedly connected with handle of eyepiece end, first press switch is installed to the tip of handle, and first press switch and first electric putter all are connected with the singlechip, conveniently control first electric putter.

Further, the top fixedly connected with spacing of base, spacing is located joint groove one side, and during the erection joint seat, it keeps away from the upper bore axis to pay attention to making spacing for the rotation angle of restriction periscope.

Furthermore, the junction of safety rope and safety rail is provided with the third switch of establishing ties with the power, and only when the safety rope cover is dragged down and is installed on the workman on one's body, the third switch just can be closed, just can open down the apron.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the utility model is provided with the first electric push rod and the periscope, the position of the lower cover plate can be automatically controlled, the worker does not need to bend down to control the lower cover plate through the upper hole, the worker observes the position of the hook of the crane through the periscope, the worker does not need to bend down to observe, the worker is prevented from generating high-altitude dizziness, and the risk of collision and falling is also reduced; the connection part between the protective guard and the shell and between the protective guard and the upper partition plate is respectively provided with a first switch connected with the power supply in series and a second switch connected with the power supply in series, the connection part between the safety rope and the safety rail is provided with a third switch connected with the power supply in series, and the lower cover plate can be opened only after the protective guard is installed and the safety rope is hung, so that the operation safety of the crane is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic structural view of a fall protection system for a crane in a cabin of a wind turbine generator system according to an embodiment of the present invention;

FIG. 2 is a partial enlarged view of the periscope

FIG. 3 is a partial cross-sectional view of the periscope;

FIG. 4 is a cross-sectional view of the connecting frame;

FIG. 5 is a partial cross-sectional view of the joint between the upper partition and the support rod;

FIG. 6 is a partial cross-sectional view of the junction of the housing and the top end of the rail;

fig. 7 is a partial cross-sectional view of the connection of the safety rail to the safety line.

An icon: 01-crane, 011-hook, 02-housing, 03-upper spacer, 04-lower spacer, 05-safety rope, 06-safety rail, 07-upper cover, 08-lower cover, 1-first electric push rod, 2-guard rail, 21-rail, 211-side lever, 2111-locking hole, 22-support rod, 3-periscope, 31-lens barrel, 32-eyepiece end, 33-objective end, 331-sleeve, 34-connecting ball, 35-handle, 351-first press switch, 36-second electric push rod, 37-second press switch, 4-first switch, 5-second switch, 6-third switch, 7-connecting frame, 71-base, 711-locking groove, 712-locking pin, 72-limiting frame, 73-groove, 74-elastic block, 8-mounting frame, 9-spring, 10-electronic contact.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, a falling prevention system for a crane in a wind generating set cabin comprises a protective guard 2, wherein a crane 01 is arranged in the cabin at the tail of the wind generating set, an upper partition 03 and a lower partition 04 are arranged between the crane 01 and a hoisting operation station, the upper partition 03 and the lower partition 04 are respectively provided with an upper hole and a lower hole through which a hook 011 of the crane 01 can pass, the inner edge of the upper hole is hinged with an upper cover plate 07, the inner edge of the lower hole is hinged with a lower cover plate 08, and the top of the cabin is provided with a safety rail 06 on which a safety rope 05 is suspended; the guard rail 2 includes a U-shaped rail 21 and a support rod 22 for supporting the rail 21, wherein a top end of the rail 21 is fixedly connected to the housing 02, a top end of the support rod 22 is fixedly connected to a bottom of the rail 21, a bottom end of the support rod 22 is fixedly connected to a sidewall of the upper partition 03, and the guard rail 2 is coupled to the housing 02 to surround the upper hole.

As shown in fig. 5-6, a first switch 4 connected in series with a power supply is arranged at the connection between the bottom end of the supporting rod 22 and the upper partition 03, and a second switch 5 connected in series with the power supply is arranged at the connection between the top end of the fence 21 and the housing 02; go up the baffle 03 side wall and open and have first mounting groove, shell 02 inner wall is opened and is had the second mounting groove, and above-mentioned 22 bottom side walls of bracing piece weld in first mounting groove lateral wall, and above-mentioned 21 top side walls of rail weld in second mounting groove lateral wall, the equal fixedly connected with electron contact 10 in bottom, the second mounting groove of bottom, bracing piece 22 bottom and the 21 top of rail in the above-mentioned first mounting groove.

As shown in fig. 7, a third switch 6 connected with the power supply in series is arranged at the joint of the safety rope 05 and the safety rail 06; above-mentioned safety rail 06 bottom is opened there is the third mounting groove, third mounting groove inner tower is equipped with mounting bracket 8, 8 bottom middle part fixed connection of mounting bracket are on safety rope 05 tops, be provided with spring 9 between mounting bracket 8 and the third mounting groove, the equal fixedly connected with electron contact 10 of the roof of the bottom both ends of mounting bracket 8 and third mounting groove, when safety rope 05 received the pulling force, the compression of spring 9, the electron contact 10 of mounting bracket 8 bottom and the laminating of electron contact 10 of third mounting groove roof, third switch 6 is closed, the circuit of this system of preventing falling just probably feeds through.

Note that when the protective guard 2 is installed, the electronic contact 10 at the bottom end of the supporting rod 22 is ensured to be attached to the electronic contact 10 in the first installation groove, and the electronic contact 10 at the top end of the rail 21 is ensured to be attached to the electronic contact 10 in the second installation groove, so as to ensure that the protective guard 2 is installed stably, otherwise, the circuit of the anti-falling system cannot be connected; before the hoisting operation, a worker needs to wear the safety rope 05, otherwise, the circuit of the anti-falling system cannot be communicated.

As shown in fig. 1-4, the anti-falling system for the crane in the cabin of the wind generating set further comprises a first electric push rod 1, wherein the joint of a lower cover plate 08 and a lower partition plate 04 is close to a shell 02 of the cabin, the fixed end of the electric push rod of the first electric push rod 1 is hinged with the shell 02, and the telescopic end of the first electric push rod 1 is hinged with the side wall of the lower cover plate 08; the top wall of the side rod 211 of the rail 21 is detachably connected with the periscope 3 through the connecting frame 7, the objective end 33 of the periscope 3 comprises a sleeve 331 which is slidably sleeved at one end of the L-shaped lens barrel 31 of the periscope 3 far away from the eyepiece end 32, the fixed end of the second electric push rod 36 is connected with the outer wall of the sleeve 331, the telescopic end of the second electric push rod 36 is connected with the outer wall of the sleeve 331, and thus the position of the lens on the sleeve 331 can be adjusted through the extension or the shortening of the telescopic end of the second electric push rod 36; the periscope 3 is close to the side wall of the lens barrel 31 of the periscope end 32 and fixedly connected with a handle 35, the lens barrel 31 is L-shaped, a first press switch 351 is installed at the end part of the handle 35, the first press switch 351 and the first electric push rod 1 are both connected with a single chip microcomputer for controlling the first electric push rod 1, a second press switch 37 is installed at one side of the handle 35 at the first periscope end 32, the second press switch 37 and the second electric push rod 36 are both connected with the single chip microcomputer for controlling the second electric push rod 36, the bottom of the base 71 of the connecting frame 7 is detachably connected with a side lever 211 of the fence 21, a circular groove 73 is opened at the top of the connecting frame 7, and a connecting ball 34 matched with the groove 73 is fixedly connected with the side wall of the eyepiece end 32 of the periscope 3; the bottom of the connecting frame 7 is provided with a clamping groove 711 matched with the side rod 211, the bottom of the clamping groove 711 is fixedly connected with a locking pin 712, two ends of the bottom of the clamping groove 711 are fixedly connected with elastic blocks 74, the elastic blocks 74 are in transition fit with the side rod 211 to reinforce the periscope 3, the side wall of the side rod 211 is provided with a plurality of locking holes 2111 along the axial direction, and the locking holes 2111 are matched with the locking pin 712; the top end of the base 71 is fixedly connected with a limiting frame 72, the limiting frame 72 is located on one side of the clamping groove 711, when the connecting frame 7 is installed, the limiting frame 72 is far away from the central axis of the upper hole, and the top end of the limiting frame 72 is provided with a limiting groove matched with the outer wall of the lens barrel 31.

After a worker stands on the upper partition plate 03 and wears the safety rope 05, the connecting frame 7 can be pulled down from the side rod 211, the upper cover plate 07 is opened, the periscope 3 is adjusted to a proper position, the locking pin 712 of the connecting frame 7 is inserted into the proper locking hole 2111 to install the periscope 3, the second switch 5 is pressed, the telescopic rod of the first electric push rod 1 is adjusted by adjusting the position of the second electric push rod 36 to adjust the length of the object lens end 33 of the periscope 3 until the lower cover plate 08 can be well observed; then pressing the first switch 4, the telescopic end of the first electric push rod 1 contracts, the upper hole is opened, the periscope 3 can be rotated to adjust the direction of the objective lens end 33, the position state of the lower cover plate 08 is observed until the lower hole is completely opened, the second switch 5 is pressed, and the length of the objective lens end 33 of the periscope 3 is continuously adjusted until the equipment below the lower cover plate 08 can be well observed; the crane 01 can then be started and the hoisting process detected by the periscope 3.

When the hoisting operation is finished, lifting the hook 011 of the crane 01 back to the original position, pressing the first switch 4 to extend the telescopic end of the first electric push rod 1 until the first cover plate is lowered to close the lower hole, pressing the second switch 5 to adjust the objective lens end 33 of the periscope 3 to be close to the lens barrel 31 as much as possible so as to ensure that the rotation of the upper cover plate 07 is not interfered, then lowering the upper cover plate 07 to close the upper hole; finally, the lens barrel 31 of the periscope 3 is clamped in the limiting groove at the top end of the limiting frame 72 to place the periscope 3.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a wind generating set cabin internal crane is with preventing system of falling which characterized in that: including first electric putter (1) and around rail guard (2) that the last hole of last baffle (03) set up all around, the stiff end of first electric putter (1) is articulated with shell (02), the flexible end and the apron (08) lateral wall are articulated down of first electric putter (1).

2. The anti-falling system for the wind generating set cabin inner crane according to claim 1, characterized in that: the protective guard (2) comprises a U-shaped rail (21) and a supporting rod (22) used for supporting the rail (21);

the top fixed connection of rail (21) in shell (02), the top and rail (21) bottom fixed connection of bracing piece (22), the bottom fixed connection of bracing piece (22) is in last baffle (03) lateral wall, the bottom of bracing piece (22) is provided with first switch (4) with the power series connection with the junction of last baffle (03), the junction of rail (21) top and shell (02) is provided with second switch (5) with the power series connection.

3. The anti-falling system for the wind generating set cabin inner crane according to claim 2, characterized in that: go up the lateral wall and open on baffle (03) and have first mounting groove, shell (02) inner wall is opened and is had the second mounting groove, bracing piece (22) bottom lateral wall welding is in first mounting groove lateral wall, rail (21) top lateral wall welds in second mounting groove lateral wall, bottom, bracing piece (22) bottom and the equal fixedly connected with electron contact (10) in rail (21) top in bottom, the second mounting groove in the first mounting groove.

4. The fall prevention system for the wind generating set cabin interior crane according to claim 2, wherein: the side rod (211) of the fence (21) is detachably connected with a periscope (3).

5. The anti-falling system for the wind generating set cabin inner crane according to claim 4, characterized in that: including link (7), base (71) bottom of link (7) can dismantle connect in the lateral wall of side lever (211), open link (7) top has circular recess (73), lens-barrel (31) lateral wall fixedly connected with of periscope (3) with connect ball (34) of recess (73) adaptation.

6. The anti-falling system for the wind generating set cabin inner crane according to claim 5, characterized in that: the bottom of base (71) is opened there is joint groove (711) with side lever (211) adaptation, joint groove (711) bottom fixedly connected with locking round pin (712), side lever (211) lateral wall is opened along its axial has a plurality of locking holes (2111), locking hole (2111) and locking round pin (712) adaptation.

7. The anti-falling system for the wind generating set cabin internal crane according to claim 5, characterized in that: the periscope (3) is close to the side wall of the lens barrel (31) at the eyepiece end (32) and is fixedly connected with a handle (35), and a first press switch (351) is installed at the end part of the handle (35).

8. The anti-falling system for the wind generating set cabin inner crane according to claim 6, characterized in that: the top end of the base (71) is fixedly connected with a limiting frame (72), and the limiting frame (72) is located on one side of the clamping groove (711).

9. The anti-falling system for the wind generating set cabin inner crane according to claim 1, characterized in that: the safety rail (06) above the upper partition plate (03) is connected with a safety rope (05), and a third switch (6) connected with a power supply in series is arranged at the joint of the safety rope (05) and the safety rail (06).

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