CN218114810U

CN218114810U - Large-scale power equipment installation of power plant is with hoist and mount framework

Info

Publication number: CN218114810U
Application number: CN202221516002.2U
Authority: CN
Inventors: 徐凤霞; 杨颜鸿; 赵秋英; 韩强
Original assignee: Huaneng Taiyuan Dongshan Gas Turbine Thermal Power Co Ltd
Current assignee: Huaneng Taiyuan Dongshan Gas Turbine Thermal Power Co Ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-12-23
Anticipated expiration: 2032-06-15

Abstract

The utility model belongs to the technical field of the electric power industry hoist and mount, a large-scale power equipment in power plant installation is with hoist and mount framework is disclosed, including base and support frame, the U-shaped structure of support frame for invering, the support frame is connected the both ends of base, the base top is provided with the backup pad, install hoisting box in the backup pad, just the both ends of backup pad pass through the stabilizer bar with the support frame is connected, the stable groove has all been seted up along vertical direction on the both sides pole of support frame, the stabilizer bar can slide in the stable groove, install on the support frame and be used for control the winding mechanism that the backup pad reciprocated with be used for the fastening winding mechanism's arrestment mechanism. Through the utility model provides a current hoist and mount framework appear the condition of rocking when lifting by crane power equipment, guarantee hoist and mount stability.

Description

Large-scale power equipment installation of power plant is with hoist and mount framework

Technical Field

The utility model belongs to the technical field of the electric power industry hoist and mount, more specifically relates to a large-scale power equipment in power plant installation is with hoist and mount framework.

Background

The power industry is an important supporting industry for national economic development, in order to guarantee national power consumption requirements and practically implement national decision measures of 'big or small in top pressure' to achieve the aim of energy conservation and emission reduction, and achieve harmonious sustainable development of economy, society and environmental protection, the power industry in China is in an unprecedented high-speed development period, thermal power generation has a high proportion in national power supply, for a thermal power generation unit, the higher the single-machine power generation is, the higher the utilization rate of fire coal is, and the smaller the pollution is, therefore, the 600MW and 1000MW thermal power generation unit replaces a 300MW unit, and becomes a preferred model of the current and future national thermal power generation construction projects.

When current hoist and mount framework hoists large-scale power equipment, owing to adopt the rope to lift by crane power equipment, can lead to power equipment to appear rocking when hoist and mount, and then there is the potential safety hazard, simultaneously because power equipment gravity is great, and then there is the possibility that power equipment tenesmus, and then lead to hoist and mount stability not high.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a large-scale power equipment installation of power plant is with hoist and mount framework has avoided power equipment to produce the condition of rocking because of the too big possibility that leads to the tenesmus of gravity to lead to the not high problem of hoist and mount stability.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a large-scale power equipment installation of power plant is with hoist and mount framework, includes base and support frame, and the support frame is the U-shaped structure of invering, the support frame is connected the both ends of base, the base top is provided with the backup pad, install the hoist and mount case in the backup pad, just the both ends of backup pad pass through the stabilizer bar with the support frame is connected, all seted up along vertical direction on the both sides pole of support frame and stablized the groove, the stabilizer bar can slide in stablized the inslot, install on the support frame and be used for control the winding mechanism that the backup pad reciprocated with be used for the fastening winding mechanism's arrestment mechanism.

In some embodiments of this application, winding mechanism includes two first motors and two rolling axles, two first motor symmetry sets up the both sides pole top of support frame, two the one end of rolling axle respectively with two first motor is connected, two the other end interconnect of rolling axle, and two it is equipped with the rolling wheel, two all to overlap on the rolling axle all to be equipped with the winding rope, two all to wind on the rolling wheel the other end of winding rope respectively with the both ends of backup pad are connected.

In some embodiments of this application, arrestment mechanism is including installing second motor, an internal thread section of thick bamboo and two braked wheels on the support frame, the one end of an internal thread section of thick bamboo with the output shaft of second motor, and the other end pass through coupling mechanism and two the braked wheel joint, two the braked wheel overlaps respectively and establishes on two rolling axles.

In some embodiments of the application, the coupling mechanism includes the thread block, first kelly and second kelly, the thread block threaded connection in the internal thread section of thick bamboo, the one end of first kelly with the thread block is connected, and the other end can with one the braked wheel joint, the one end of second kelly through join the pole with first kelly is connected, and the other end can with another the braked wheel joint.

In some embodiments of the present application, a through groove and a slideway communicated with the through groove are formed in the support frame, the internally threaded cylinder is mounted in the through groove through a bearing, and the engagement rod is mounted in the slideway and can move up and down in the slideway.

In some embodiments of this application, two a plurality of bayonets have all evenly been seted up along circumference to the braked wheel, first kelly with the second kelly can stretch into two respectively the bayonet socket of braked wheel.

In some embodiments of the present application, an end of one of the winding shafts is provided with an engaging shaft, and an end of the other winding shaft is provided with an engaging groove connected with the engaging shaft, and the engaging shaft and the engaging groove are connected through a bearing.

In some embodiments of the present application, fixing blocks are installed at both ends of the support plate, and the winding rope is connected to the support plate through the fixing blocks.

The utility model discloses a rolling mechanism is connected with the backup pad of installing the hoist case, can be convenient for drive the hoist case and go up and down, sets up the stable groove on the support frame simultaneously, connects the backup pad with the support frame through the stabilizer bar to the stabilizer bar can slide in stable groove, has improved the stationarity that the hoist case removed; through the design of brake mechanism, be convenient for fasten winding mechanism, can avoid two rolling axles to appear deflecting, and then avoid the hoist and mount case the possibility that tenesmus to appear, the effectual hoist and mount stability of hoist and mount case to power equipment that has improved.

Drawings

FIG. 1 is a schematic structural view of a hoisting frame for installing large-scale power equipment in a power plant according to the present invention;

FIG. 2 is a cross-sectional view of the hoisting frame for installing large-scale power equipment in a power plant of the utility model;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure, 1, a base; 2. a support frame; 3. a support plate; 4. hoisting the box; 5. a fixed block; 6. A first winding shaft; 7. a second wind-up reel; 8. a winding wheel; 9. winding the rope; 10. a brake wheel; 11. an engagement shaft; 12. a first motor; 13. a joining groove; 14. a bayonet; 15. a stabilizer bar; 16. a stabilizing slot; 17. a second motor; 18. a through groove; 19. an internal threaded barrel; 20. a slideway; 21. a first clamping rod; 22. a thread block; 23. a connecting rod; 24. and a second clamping rod.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1 and fig. 2, in some embodiments of the present application, a hoisting framework for installing large power equipment in a power plant includes a base 1, a supporting frame 2 is disposed on a top end of the base 1, the supporting frame 2 is an inverted U-shaped structure, a supporting plate 3 is connected in the supporting frame 2 through two stabilizing bars 15, a hoisting box 4 for installing power equipment is installed on the supporting plate 3, the supporting plate 3 is located above the base 1, stabilizing grooves 16 are disposed on inner walls of two side bars of the supporting frame 2 along a vertical direction, and the stabilizing bars 15 are slidably connected in the stabilizing grooves 16; winding mechanism is installed at the both sides pole top of support frame 2, the top both sides of backup pad 3 are equipped with fixed block 5, two fixed block 5 set up along 3 central line symmetries in backup pad, winding mechanism is connected with backup pad 3 through two fixed blocks 5, reciprocate in order to realize the lift of hoist and mount case 4 through winding mechanism control backup pad 3, stabilizer bar 15 also follows and reciprocates in stable groove 16 along reciprocating of backup pad 3, be connected backup pad 3 and support frame 2 through stabilizer bar 15, can avoid hoist and mount case 4 to rock in-process appearance of going up and down, hoist and mount case 4 stability at the in-process that reciprocates has been guaranteed.

Specifically, the winding mechanism comprises a first winding shaft 6, a second winding shaft 7, two winding wheels 8, two winding ropes 9 and two first motors 12, the two first motors 12 are symmetrically installed at the top ends of the two sides of the support frame 2, one ends of the first winding shaft 6 and the second winding shaft 7 are respectively connected with output shafts of the two first motors 12, the other end of the first winding shaft 6 is provided with a linking shaft 11, the other end of the second winding shaft 7 is provided with a linking groove 13 connected with the linking shaft 11, the linking shaft 11 is connected with the linking groove 13 through a bearing, the two winding wheels 8 are respectively sleeved on the first winding shaft 6 and the second winding shaft 7, the two winding wheels 8 are respectively wound and connected with one winding rope 9, and the other ends of the two winding ropes 9 are respectively connected with the support plate 3 through the two fixing blocks 5. Through starting first motor 12, first motor 12 can drive second rolling axle 7 and first rolling axle 6 and rotate, and then first rolling axle 6 can drive links up axle 11 and rotate in the inside of linking up groove 13, and second rolling axle 7 and first rolling axle 6 rotate simultaneously can drive rolling wheel 8 and rotate, and then rolling wheel 8 can drive receipts rolling rope 9 and receive and release, and then receipts rolling rope 9 drives backup pad 3 and hoisting box 4 and goes up and down, and then provides convenience for power equipment's hoist and mount.

It should be noted that the first two motors are opposite in rotation direction, the first two motors are both positive and negative motors, and the winding directions of the two winding ropes 9 are opposite, so that the two winding ropes 9 can be wound and unwound simultaneously, and the lifting of the support plate 3 and the lifting box 4 is effectively made possible.

As shown in fig. 3, in order to further optimize the above embodiment, a braking mechanism connected to the winding mechanism is disposed at the top of the supporting frame 2, the braking mechanism includes a second motor 17, an internal thread cylinder 19, a thread block 22, a first clamping bar 21, an engaging bar 23, a second clamping bar 24, and two brake wheels 10, the two brake wheels 10 are respectively sleeved on one side of the first winding shaft 6 close to the second winding shaft 7, and the brake wheels 10 are provided with a plurality of bayonets 14 at equal intervals along the circumferential direction; the top of the support frame 2 is provided with a through groove 18 and a slideway 20 communicated with the through groove 18; the second motor 17 is installed at the top end of the support frame 2, an output shaft of the second motor 17 is connected with an internal thread cylinder 19, the internal thread cylinder 19 is connected in the through groove 18 through a bearing, the internal thread of the internal thread cylinder 19 is connected with a thread block 22, the bottom end of the thread block 22 is provided with a first clamping rod 21, the other end of the first clamping rod 21 can extend into a bayonet 14 of the brake wheel 10 sleeved on the second winding shaft 7, one side of the first clamping rod 21 is connected with a linking rod 23, the linking rod 23 is located inside the slideway 20, the other end of the linking rod 23 is connected with a second clamping rod 24, and the other end of the second clamping rod 24 can extend into the bayonet 14 of the brake wheel 10 sleeved on the first winding shaft 6; after the first motor 12 stops rotating, in order to ensure the stability of the first winding shaft 6 and the second winding shaft 7, the second motor 17 is started, so that the second motor 17 drives the internal thread cylinder 19 to rotate, the thread block 22 moves down inside the internal thread cylinder 19 through the thread connection relationship between the internal thread cylinder 19 and the thread block 22 and the sliding connection relationship between the matching slide way 20 and the connecting rod 23 and the second clamping rod 24, the thread block 22 further moves down inside the internal thread cylinder 19, the thread block 22 further drives the first clamping rod 21 to move down, the first clamping rod 21 drives the second clamping rod 24 to move down through the connecting rod 23, the first clamping rod 21 and the second clamping rod 24 further respectively move into the bayonets 14 on the two brake wheels 10, the two brake wheels 10 are conveniently fastened, the first winding shaft 6 and the second winding shaft 7 can be prevented from deflecting, and the hoisting stability of the hoisting box 4 is effectively improved.

The working principle is as follows: when the hoisting box 4 works, a worker places objects in the hoisting box 4, then starts the two first motors 12, enables the first motors 12 to drive the first winding shaft 6 and the second winding shaft 7 to rotate, enables the first winding shaft 6 and the second winding shaft 7 to rotate in opposite directions, further enables the first winding shaft 6 and the second winding shaft 7 to drive the winding wheel 8 and the brake wheel 10 to rotate, enables the two winding wheels 8 to rotate in opposite directions, then enables the two winding wheels 8 to drive the winding rope 9 to wind, enables the winding rope 9 to drive the support plate 3 to move upwards, the support plate 3 drives the hoisting box 4 to move upwards, and simultaneously drives the stabilizer bar 15 to slide on the stabilizing groove 16, thereby effectively ensuring the hoisting stability of the hoisting box 4, when the hoisting box 4 moves to a certain height, further starts the second motor 17 to drive the internal thread cylinder 19 to rotate, the thread block 22 moves downwards in the internal thread cylinder 19, further the thread block 22 can drive the first clamping rod 21 to move downwards, the first clamping rod 21 can drive the second clamping rod 24 to move downwards through the connecting rod 23, further enables the second clamping rod 21 and the second clamping rod 24 to move downwards, thereby effectively preventing the second winding wheel 10 from deflecting from the second winding wheel 10, and further facilitating the effective hoisting box 14 to prevent the winding wheel 10 from deflecting.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a large-scale power equipment installation of power plant is with hoist and mount framework, its characterized in that, including base (1) and support frame (2), support frame (2) are the U-shaped structure of invering, support frame (2) are connected the both ends of base (1), base (1) top is provided with backup pad (3), install on backup pad (3) and hoist and mount case (4), just the both ends of backup pad (3) pass through stabilizer bar (15) with support frame (2) are connected, stable groove (16) have all been seted up along vertical direction on the both sides pole of support frame (2), stabilizer bar (15) can slide in stable groove (16), install on support frame (2) and be used for control backup pad (3) the arrestment mechanism that reciprocates with be used for the fastening the winding mechanism's arrestment mechanism.

2. The hoisting framework for installing the large-scale power equipment in the power plant according to claim 1, wherein the winding mechanism comprises two first motors (12) and two winding shafts, the two first motors (12) are symmetrically arranged at the top ends of the two side rods of the support frame (2), one ends of the two winding shafts are respectively connected with the two first motors (12), the other ends of the two winding shafts are connected with each other, winding wheels (8) are sleeved on the two winding shafts, winding ropes (9) are wound and connected on the two winding wheels (8), and the other ends of the two winding ropes (9) are respectively connected with the two ends of the support plate (3).

3. The hoisting framework for installing the large-scale power equipment in the power plant according to claim 2, wherein the braking mechanism comprises a second motor (17), an internal thread cylinder (19) and two braking wheels (10) which are installed on the supporting frame (2), one end of the internal thread cylinder (19) is connected with an output shaft of the second motor (17), the other end of the internal thread cylinder is clamped with the two braking wheels (10) through a connecting mechanism, and the two braking wheels (10) are respectively sleeved on two winding shafts.

4. The power plant large scale power equipment installation hoisting frame of claim 3, wherein the connecting mechanism comprises a screw block (22), a first clamping bar (21) and a second clamping bar (24), the screw block (22) is screwed in the internally threaded barrel (19), one end of the first clamping bar (21) is connected with the screw block (22) and the other end can be clamped with one of the brake wheels (10), one end of the second clamping bar (24) is connected with the first clamping bar (21) through a connecting bar (23) and the other end can be clamped with the other brake wheel (10).

5. The hoisting frame for installation of large power plant equipment according to claim 4, characterized in that the supporting frame (2) is provided with a through slot (18) and a slideway (20) communicating with the through slot (18), the internally threaded barrel (19) is mounted in the through slot (18) through a bearing, and the joint rod (23) is mounted in the slideway (20) and can move up and down in the slideway (20).

6. The hoisting frame for installing large power equipment in a power plant according to claim 4, wherein a plurality of bayonets (14) are uniformly formed in the circumferential direction of each of the two brake drums (10), and the first clamping rod (21) and the second clamping rod (24) can respectively extend into the bayonets (14) of the two brake drums (10).

7. The hoisting frame for installation of large power equipment in power plant according to claim 2, wherein an end of one of the winding shafts is provided with a joint shaft (11), an end of the other winding shaft is provided with a joint groove (13) connected with the joint shaft (11), and the joint shaft (11) is connected with the joint groove (13) through a bearing.

8. The hoisting frame for installation of large power equipment in a power plant according to claim 2, wherein fixing blocks (5) are installed at both ends of the supporting plate (3), and the winding rope (9) is connected to the supporting plate (3) through the fixing blocks (5).