CN218088603U - Hoisting accessory is used in thermal power equipment maintenance - Google Patents

Hoisting accessory is used in thermal power equipment maintenance Download PDF

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Publication number
CN218088603U
CN218088603U CN202222187210.9U CN202222187210U CN218088603U CN 218088603 U CN218088603 U CN 218088603U CN 202222187210 U CN202222187210 U CN 202222187210U CN 218088603 U CN218088603 U CN 218088603U
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China
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frame
lifting hook
pair
lifting
thermal power
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CN202222187210.9U
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Chinese (zh)
Inventor
秦军强
纪田宇
李波
黄伟
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Shandong Iron and Steel Co Ltd
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Shandong Iron and Steel Co Ltd
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Abstract

The utility model discloses a hoisting device for thermal power equipment maintenance, which comprises a pair of vertical supports, a lifting rope and lifting hook system, a lifting hook adjusting bracket and a damping protection base, wherein the lifting hook adjusting bracket is horizontally fixed between the upper ends of the inner sides of the pair of vertical supports; the lifting rope and lifting hook system comprises a lifting rope winding box, a winding reel, a lifting rope, a lifting hook and a reel motor; a lifting hook adjusting screw, a screw motor, a horizontal moving ring and a horizontal moving frame are arranged in the lifting hook adjusting frame; the shock absorption protection base comprises a shock absorption protection frame, a hydraulic damper, a rotary stretching frame and a horizontal split frame. The utility model discloses a hoisting accessory has hung thermal power equipment after, and vertical support extrudees the shock attenuation fender bracket downwards under thermal power equipment action of gravity, and the shock attenuation fender bracket directly extrudees hydraulic damper downwards and through horizontal component frame extrusion rotatory tensile frame, through the combined action of the component spring of hydraulic damper and horizontal component frame, plays shock attenuation and effort buffering guard action to vertical support.

Description

Hoisting accessory is used in thermal power equipment maintenance
Technical Field
The utility model belongs to the technical field of the power generation equipment maintenance, concretely relates to hoisting accessory is used in thermal power equipment maintenance.
Background
Electric power is an important energy source for national economic development, and thermal power generation is a main method for producing electric energy in China and many countries in the world. The basic production process of thermal power generation is as follows: when the fuel is burnt, the water is heated to generate steam, and the steam enters the steam turbine along the pipeline to expand and do work, so that the generator is driven to rotate at a high speed together, and electricity is generated. According to the production flow of thermal power generation, the basic components of a thermal power generation system comprise a combustion system, a steam-water system, an electrical system and a control system.
In thermal power equipment maintenance process, need use hoisting accessory to carry out the handling to thermal power equipment, the inside shock attenuation effect of hoisting accessory of prior art is relatively poor, to some thermal power equipment that weight is heavier, lifts by crane the back, causes the damage to hoisting accessory easily, influences hoisting accessory's normal use.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that exists among the above-mentioned prior art, the utility model provides a hoisting accessory is used in thermal power equipment maintenance, including a pair of vertical support, lifting rope lifting hook system, lifting hook alignment jig, shock attenuation protection base, wherein:
the lifting hook adjusting frame is horizontally fixed between the upper ends of the inner sides of the pair of vertical supports;
the lifting rope and lifting hook system comprises a lifting rope winding box, a winding reel, a lifting rope, a lifting hook and a reel motor;
the lifting hook adjusting frame is internally provided with a lifting hook adjusting screw, a screw motor, a horizontal moving ring and a horizontal moving frame, the lifting hook adjusting screw is horizontally arranged along the lifting hook adjusting frame, the screw motor is fixed on one side of the lifting hook adjusting frame and is in transmission connection with the lifting hook adjusting screw, the horizontal moving frame is sleeved on the outer surface of the lifting hook adjusting screw, the lifting rope winding box is fixedly connected to the lower surface of the horizontal moving frame, two horizontal moving rings are respectively arranged on two sides of the horizontal moving frame, and each horizontal moving ring is provided with an internal thread meshed with the lifting hook adjusting screw;
the shock absorption protection base comprises a shock absorption protection frame, hydraulic dampers, a rotary stretching frame and a horizontal component force frame, the lower ends of a pair of vertical supports are fixedly connected to the upper surface of the shock absorption protection frame respectively, two sides of the lower surface of the shock absorption protection frame are connected with one hydraulic damper respectively, the lower ends of the two hydraulic dampers are fixed to two sides of the bottom end of the shock absorption protection base respectively, the horizontal component force frame is connected to the lower surface of the shock absorption protection frame and located between the two hydraulic dampers, the horizontal component force frame is composed of a frame main body, a pair of component force sliding blocks and a pair of component force springs, the pair of component force springs are arranged in the frame main body, one ends of the pair of component force springs are fixed to two sides of the horizontal component force frame main body respectively, the other ends of the pair of the component force springs are connected to the pair of component force sliding blocks in a sliding mode respectively, the rotary stretching frame is composed of connecting sliding rails, a pair of cross connecting rods, the cross connecting rods are connected to each other at the cross point through rotating shafts, the connecting sliding blocks are arranged at the end portions of each cross connecting rods, the cross connecting blocks are connected to the connecting blocks, the lower surfaces of the connecting sliding blocks are connected to the shock absorption protection base through rotating shafts, and the two sliding rails are connected to the lower ends of the connecting blocks, and located between the two sliding blocks, and located in the shock absorption protection base.
Further, in the hoisting device for thermal power plant maintenance, the reel motor is disposed in the lifting rope winding box, the winding reel is disposed at the lower portion of the lifting rope winding box, the reel motor is connected to the winding reel in a transmission manner, the lifting rope is wound on the outer surface of the winding reel, and the lower end of the lifting rope is connected to the hook.
Further, in above-mentioned thermal power equipment maintenance is with playing hoist device, the shock attenuation protection base still includes spacing slide rail and spacing slider, spacing slider is fixed the both ends of shock attenuation fender bracket, spacing slide rail sets up two medial surfaces of shock attenuation protection base, spacing slider with spacing slide rail sliding connection.
Further, in above-mentioned hoisting apparatus for thermal power plant maintenance, hoisting apparatus for thermal power plant maintenance still includes a plurality of support reinforcing bars, every one end fixed connection of support reinforcing bar is in one the inboard upper end of vertical support, every the other end fixed connection of support reinforcing bar is in the upper surface of lifting hook adjusting bracket.
Further, in above-mentioned hoisting apparatus for thermal power plant maintenance, hoisting apparatus for thermal power plant maintenance still includes fixed tripod, fixed tripod fixed connection is in the outside of shock attenuation protection base.
The utility model discloses a hoisting accessory is used in thermal power equipment maintenance has following advantage and beneficial effect:
1. the utility model discloses a shock attenuation protection base that sets up, after hoisting the heavier thermal power equipment at hoisting accessory, the vertical support can extrude the shock attenuation fender bracket downwards under the thermal power equipment action of gravity, the shock attenuation fender bracket is after receiving the effort, on the one hand can directly extrude hydraulic damper downwards, on the other hand can extrude rotatory tensile frame through horizontal component frame, make the component slider that links to each other with rotatory tensile frame upper end extrude the component spring to the outside, through the combined action of hydraulic damper and component spring, can cushion the effort of vertical support, thereby reduce the effort that vertical support received, play better shock attenuation and effort buffering guard action to vertical support;
2. the utility model discloses a lifting hook alignment jig that sets up, under screw motor's effect, can make lifting hook adjusting screw rotate, along with lifting hook adjusting screw's rotation, with lifting hook adjusting screw thread engagement's horizontal migration ring for lifting hook adjusting screw horizontal migration, drive horizontal migration frame along lifting hook adjusting screw horizontal migration, and then drive the lifting rope winding case horizontal migration who is connected with horizontal migration frame, can adjust the position of lifting hook from this, the position of the maintenance personal adjustment lifting hook of being convenient for is in order to make things convenient for handling thermal power equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention. In the drawings:
fig. 1 is a schematic structural view of a hoisting device for thermal power plant maintenance of the present invention;
fig. 2 is a front cross-sectional view of the hoisting device for thermal power plant maintenance of the present invention;
FIG. 3 is a sectional view of the shock absorbing protection base in the lifting device for thermal power plant maintenance of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 2.
Description of reference numerals:
1. a vertical support; 2. a hook adjusting bracket; 3. a bracket reinforcing rod; 4. a shock-absorbing protection base; 5. fixing the tripod; 6. a hook adjusting screw; 7. a screw motor; 8. a horizontal moving ring; 9. a horizontal moving frame; 10. a lifting rope winding box; 11. winding the reel; 12. a lifting rope; 13. a hook; 14. a reel motor; 15. a shock absorption fender bracket; 16. a limiting slide rail; 17. a limiting slide block; 18. a hydraulic damper; 19. rotating the stretching frame; 20. a horizontal force-dividing frame; 21. a component force slide block; 22. a component force spring; 23. connecting a slide rail; 24. connecting the sliding block; 25. a cross-link.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of 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.
As shown in fig. 1 to 4, the utility model discloses a hoisting accessory is used in thermal power equipment maintenance includes a pair of vertical support 1, lifting rope hook system, lifting hook alignment jig 2, shock attenuation protection base 4, and 2 levels of lifting hook alignment jig are fixed between the inboard upper end of a pair of vertical support 1, and each fixed connection of lower extreme of a pair of vertical support 1 is in shock attenuation protection base 4. The lifting rope and hook system comprises a lifting rope winding box 10, a winding reel 11, a lifting rope 12, a hook 13 and a reel motor 14. The lifting hook adjusting frame 2 is provided with a lifting hook adjusting screw 6, a screw motor 7, a horizontal moving ring 8 and a horizontal moving frame 9. The shock absorption protection base 4 comprises a shock absorption protection frame 15, a hydraulic damper 18, a rotary stretching frame 19 and a horizontal component force frame 20.
The utility model discloses a thermal power equipment maintenance is with having lifted in the hoist device, lifting hook adjusting screw 6 sets up along 2 levels of lifting hook adjusting bracket, and screw motor 7 is fixed in one side of lifting hook adjusting bracket 2 to the transmission is connected in lifting hook adjusting screw 6, and horizontal migration puts 9 covers and puts on lifting hook adjusting screw 6 surfaces, and respectively sets up a horizontal migration ring 8 in the both sides of horizontal migration frame 9, and horizontal migration ring 8 is provided with the internal thread with 6 meshing of lifting hook adjusting screw.
The utility model discloses a thermal power equipment maintenance is with having hoisted in the device, lifting rope winding case 10 fixed connection is in the lower surface of horizontal migration frame 9, and reel motor 14 sets up in lifting rope winding case 10, and winding reel 11 sets up in lifting rope winding case 10 lower part to reel motor 14 transmission is connected in winding reel 11, and lifting rope 12 twines at the surface of winding reel 11, and the lower extreme of lifting rope 12 is connected in lifting hook 13. The reel motor 14 drives the winding reel 11, thereby winding the hoist rope 12 around the winding reel 11, so that the thermal power plant can be hoisted.
Furthermore, the screw motor 7 drives the hook adjusting screw 6 to rotate, and as the hook adjusting screw 6 rotates, the horizontal moving ring 8 in threaded engagement with the hook adjusting screw 6 moves horizontally relative to the hook adjusting screw 6, so that the horizontal moving frame 9 between the horizontal moving rings 8 is pushed correspondingly to move horizontally along the hook adjusting screw 6, and the horizontal moving frame 9 moves horizontally to drive the lifting rope winding box 10 connected with the horizontal moving frame 9, so that the position of the hook 13 can be adjusted, and the thermal power generation equipment can be lifted conveniently.
The utility model discloses a thermal power equipment maintenance is with having hoisted in the device, each fixed connection of lower extreme of a pair of vertical support 1 in the shock attenuation fender bracket 15's of shock attenuation protection base 4 upper surface, the both sides of shock attenuation fender bracket 15 lower surface are connected with a hydraulic damper 18 respectively, and the bottom both sides in shock attenuation protection base 4 are fixed respectively to two hydraulic damper 18's lower extreme. The horizontal force-dividing frame 20 is connected to the lower surface of the shock-absorbing protection frame 15 and located between the two hydraulic dampers 18, the horizontal force-dividing frame 20 is composed of a frame body, a pair of force-dividing slide blocks 21 and a pair of force-dividing springs 22, the pair of force-dividing slide blocks 21 and the pair of force-dividing springs 22 are arranged in the frame body, one ends of the pair of force-dividing springs 22 are respectively fixed to two sides of the frame body of the horizontal force-dividing frame 20, and the other ends of the pair of force-dividing springs 22 are respectively connected to the pair of force-dividing slide blocks 21 in a sliding manner. The rotary stretching frame 19 is composed of a connecting slide rail 23, a connecting slide block 24 and a pair of cross connecting rods 25, wherein the pair of cross connecting rods 25 are connected with each other at the cross point through a rotating shaft, the connecting slide block 24 is arranged at the end part of each cross connecting rod 25, the cross connecting rods 25 and the connecting slide blocks 24 are mutually and rotatably connected through the rotating shaft, the two connecting slide blocks 24 at the upper part are connected to the lower surface of the component force slide block 21, the two connecting slide blocks 24 at the lower part are slidably connected to the connecting slide rail 23, and the connecting slide rail 23 is fixed at the inner bottom end of the shock absorption protection base 4 and is positioned between the two hydraulic dampers 18.
The utility model discloses a thermal power equipment maintenance includes with hoisting accessory's theory of operation and application method:
adjusting the position of a lifting hook: the screw motor 7 drives the lifting hook adjusting screw rod 6 to rotate, along with the rotation of the lifting hook adjusting screw rod 6, the horizontal moving ring 8 in threaded engagement with the lifting hook adjusting screw rod 6 moves horizontally relative to the lifting hook adjusting screw rod 6, so that the horizontal moving frame 9 between the horizontal moving rings 8 is correspondingly pushed to move horizontally along the lifting hook adjusting screw rod 6, the horizontal moving frame 9 moves horizontally, the lifting rope winding box 10 connected with the horizontal moving frame 9 is driven to move horizontally, the position of the lifting hook 13 is adjusted accordingly, and the maintenance personnel can adjust the position of the lifting hook conveniently to lift thermal power generation equipment.
Hoisting thermal power generation equipment: after the position adjustment of the hook 13 is completed, the thermal power generation equipment maintenance hanger is hooked by the hook 13, and the reel motor 14 drives the winding reel 11, thereby winding the lifting rope 12 around the winding reel 11 and lifting the thermal power generation equipment.
Damping and acting force buffering: after the hoisting device hoists a heavy thermal power generation device, the vertical support 1 can downwards extrude the shock absorption protection frame 15 under the action of the gravity of the thermal power generation device, after the shock absorption protection frame 15 receives a downwards extrusion acting force, on one hand, the hydraulic damper 18 can be directly downwards extruded, on the other hand, the rotary stretching frame 19 can be extruded through the horizontal component force frame 20, so that the component force slide block 21 connected with the upper end of the rotary stretching frame 19 outwards extrudes the component force spring 22, therefore, the acting force received by the vertical support 1 can be buffered through the combined action of the hydraulic damper 18 and the component force spring 22, the acting force received by the vertical support 1 is reduced, and the vertical support 1 has good shock absorption and acting force buffering protection effects.
As a specific implementation manner, the utility model discloses a thermal power equipment maintenance is with playing to hoist and mount, shock attenuation protection base 4 can also include limiting slide rail 16 and limiting slide block 17, and limiting slide block 17 fixes at the both ends of shock attenuation fender bracket 15, and limiting slide rail 16 sets up two medial surfaces at shock attenuation protection base 4, limiting slide block 17 and limiting slide rail 16 sliding connection.
As a specific implementation manner, the utility model discloses a hoisting accessory is used in thermal power equipment maintenance can also include a plurality of support anchor rods 3, and the one end fixed connection of every support anchor rod 3 is in the upper surface of the inboard upper end of a vertical support 1, other end fixed connection at lifting hook alignment jig 2.
As a specific implementation mode, the utility model discloses a hoisting accessory is used in thermal power equipment maintenance can also include fixed tripod 5, and fixed tripod 5 fixed connection is in the outside of shock attenuation protection base 4.
To sum up, compare with prior art, the utility model discloses a hoisting accessory is used in thermal power equipment maintenance has following advantage and beneficial effect:
1. the utility model discloses a shock attenuation protection base that sets up, after hoisting the heavier thermal power equipment at hoisting accessory, the vertical support can extrude the shock attenuation fender bracket downwards under the thermal power equipment action of gravity, the shock attenuation fender bracket is after receiving the effort, on the one hand can directly extrude hydraulic damper downwards, on the other hand can extrude rotatory tensile frame through horizontal component frame, make the component slider that links to each other with rotatory tensile frame upper end extrude the component spring to the outside, through the combined action of hydraulic damper and component spring, can cushion the effort of vertical support, thereby reduce the effort that vertical support received, play better shock attenuation and effort buffering guard action to vertical support;
2. the utility model discloses a lifting hook alignment jig that sets up, under screw motor's effect, can make lifting hook adjusting screw rotate, along with lifting hook adjusting screw's rotation, with lifting hook adjusting screw thread engagement's horizontal migration ring for lifting hook adjusting screw horizontal migration, drive horizontal migration frame along lifting hook adjusting screw horizontal migration, and then drive the lifting rope winding case horizontal migration who is connected with horizontal migration frame, can adjust the position of lifting hook from this, the position of the maintenance personal adjustment lifting hook of being convenient for is in order to make things convenient for handling thermal power equipment.
It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are all referred to the placement state shown in the drawings.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (5)

1. The utility model provides a hoisting accessory is used in thermal power equipment maintenance which characterized in that, includes a pair of vertical support, lifting rope lifting hook system, lifting hook alignment jig, shock attenuation protection base, wherein:
the lifting hook adjusting frame is horizontally fixed between the upper ends of the inner sides of the pair of vertical supports;
the lifting rope and lifting hook system comprises a lifting rope winding box, a winding reel, a lifting rope, a lifting hook and a reel motor;
the lifting hook adjusting frame is internally provided with a lifting hook adjusting screw, a screw motor, a horizontal moving ring and a horizontal moving frame, the lifting hook adjusting screw is horizontally arranged along the lifting hook adjusting frame, the screw motor is fixed on one side of the lifting hook adjusting frame and is in transmission connection with the lifting hook adjusting screw, the horizontal moving frame is sleeved on the outer surface of the lifting hook adjusting screw, the lifting rope winding box is fixedly connected to the lower surface of the horizontal moving frame, the two sides of the horizontal moving frame are respectively provided with the horizontal moving ring, and the horizontal moving ring is provided with an internal thread meshed with the lifting hook adjusting screw;
the damping protection base comprises a damping protection frame, hydraulic dampers, a rotary stretching frame and a horizontal component force frame, the lower ends of a pair of vertical supports are fixedly connected to the upper surface of the damping protection frame respectively, two sides of the lower surface of the damping protection frame are connected with one hydraulic damper respectively, the lower ends of the two hydraulic dampers are fixed to two sides of the bottom end of the damping protection base respectively, the horizontal component force frame is connected to the lower surface of the damping protection frame and located between the two hydraulic dampers, the horizontal component force frame comprises a frame body, a pair of component force sliding blocks and a pair of component force springs, the pair of component force springs are arranged in the frame body, one ends of the pair of component force springs are fixed to two sides of the horizontal component force frame body respectively, the other ends of the pair of component force springs are connected to the pair of component force sliding blocks in a sliding mode respectively, the rotary stretching frame is composed of connecting sliding rails, connecting sliding blocks and a pair of cross connecting rods, the pair of cross connecting rods are connected to each other through rotating shafts at the cross points, the connecting blocks at the upper portions of the connecting blocks are connected to the lower surfaces of the sliding blocks, the two sliding rails are connected to the sliding blocks of the damping protection base, and the two sliding rails are connected to the damping protection base.
2. The hoisting device for thermal power plant maintenance according to claim 1, wherein the reel motor is disposed in the lifting rope winding box, the winding reel is disposed at a lower portion of the lifting rope winding box, and the reel motor is drivingly connected to the winding reel, the lifting rope is wound around an outer surface of the winding reel, and a lower end of the lifting rope is connected to the hook.
3. The hoisting device for thermal power plant maintenance according to claim 1, wherein the shock absorption protection base further comprises a limiting slide rail and a limiting slide block, the limiting slide block is fixed at two ends of the shock absorption protection frame, the limiting slide rail is arranged on two inner side surfaces of the shock absorption protection base, and the limiting slide block is connected with the limiting slide rail in a sliding manner.
4. The thermal power plant maintenance hoisting device according to claim 1, further comprising a plurality of support reinforcing rods, wherein one end of each support reinforcing rod is fixedly connected to an upper end of an inner side of one of the vertical supports, and the other end of each support reinforcing rod is fixedly connected to an upper surface of the hook adjusting bracket.
5. The thermal power plant maintenance hoisting device according to claim 1, further comprising a fixed tripod, the fixed tripod being fixedly connected to an outside of the shock absorption protection base.
CN202222187210.9U 2022-08-19 2022-08-19 Hoisting accessory is used in thermal power equipment maintenance Active CN218088603U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222187210.9U CN218088603U (en) 2022-08-19 2022-08-19 Hoisting accessory is used in thermal power equipment maintenance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222187210.9U CN218088603U (en) 2022-08-19 2022-08-19 Hoisting accessory is used in thermal power equipment maintenance

Publications (1)

Publication Number Publication Date
CN218088603U true CN218088603U (en) 2022-12-20

Family

ID=84447876

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222187210.9U Active CN218088603U (en) 2022-08-19 2022-08-19 Hoisting accessory is used in thermal power equipment maintenance

Country Status (1)

Country Link
CN (1) CN218088603U (en)

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